/* FSI A */
static struct sh_fsi_platform_info fsi_info = {
- .porta_flags = SH_FSI_OUT_SLAVE_MODE |
- SH_FSI_IN_SLAVE_MODE |
- SH_FSI_OFMT(I2S) |
+ .porta_flags = SH_FSI_OFMT(I2S) |
SH_FSI_IFMT(I2S),
};
static struct sh_fsi_platform_info fsi_info = {
.porta_flags = SH_FSI_BRS_INV |
- SH_FSI_OUT_SLAVE_MODE |
- SH_FSI_IN_SLAVE_MODE |
SH_FSI_OFMT(PCM) |
SH_FSI_IFMT(PCM),
},
};
+static struct platform_device fsi_hdmi_device = {
+ .name = "sh_fsi2_b_hdmi",
+};
+
static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
unsigned long *parent_freq)
{
&usb1_host_device,
&fsi_device,
&fsi_ak4643_device,
+ &fsi_hdmi_device,
&sh_mmcif_device,
&lcdc1_device,
&lcdc_device,
},
};
+static struct platform_device fsi_hdmi_device = {
+ .name = "sh_fsi2_b_hdmi",
+};
+
static int __init hdmi_init_pm_clock(void)
{
struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
static struct sh_fsi_platform_info fsi_info = {
.porta_flags = SH_FSI_BRS_INV |
- SH_FSI_OUT_SLAVE_MODE |
- SH_FSI_IN_SLAVE_MODE |
SH_FSI_OFMT(PCM) |
SH_FSI_IFMT(PCM),
&leds_device,
&fsi_device,
&fsi_ak4643_device,
+ &fsi_hdmi_device,
&sdhi0_device,
#if !defined(CONFIG_MMC_SH_MMCIF)
&sdhi1_device,
/* FSI */
static struct sh_fsi_platform_info fsi_info = {
.portb_flags = SH_FSI_BRS_INV |
- SH_FSI_OUT_SLAVE_MODE |
- SH_FSI_IN_SLAVE_MODE |
SH_FSI_OFMT(I2S) |
SH_FSI_IFMT(I2S),
};
/* change J20, J21, J22 pin to 1-2 connection to use slave mode */
static struct sh_fsi_platform_info fsi_info = {
.porta_flags = SH_FSI_BRS_INV |
- SH_FSI_OUT_SLAVE_MODE |
- SH_FSI_IN_SLAVE_MODE |
SH_FSI_OFMT(PCM) |
SH_FSI_IFMT(PCM),
};
--- /dev/null
+/*
+ * Definitions for CS4271 ASoC codec driver
+ *
+ * Copyright (c) 2010 Alexander Sverdlin <subaparts@yandex.ru>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __CS4271_H
+#define __CS4271_H
+
+struct cs4271_platform_data {
+ int gpio_nreset; /* GPIO driving Reset pin, if any */
+ int gpio_disable; /* GPIO that disable serial bus, if any */
+};
+
+#endif /* __CS4271_H */
/* flags format
- * 0xABCDEEFF
+ * 0xABC0EEFF
*
* A: channel size for TDM (input)
* B: channel size for TDM (ooutput)
* C: inversion
- * D: mode
* E: input format
* F: output format
*/
#define SH_FSI_LRS_INV (1 << 22)
#define SH_FSI_BRS_INV (1 << 23)
-/* mode */
-#define SH_FSI_MODE_MASK 0x000F0000
-#define SH_FSI_IN_SLAVE_MODE (1 << 16) /* default master mode */
-#define SH_FSI_OUT_SLAVE_MODE (1 << 17) /* default master mode */
-
/* DI format */
#define SH_FSI_FMT_MASK 0x000000FF
#define SH_FSI_IFMT(x) (((SH_FSI_FMT_ ## x) & SH_FSI_FMT_MASK) << 8)
.invert = winvert, .kcontrols = wcontrols, .num_kcontrols = 1, \
.event = wevent, .event_flags = wflags}
+/* additional sequencing control within an event type */
+#define SND_SOC_DAPM_PGA_S(wname, wsubseq, wreg, wshift, winvert, \
+ wevent, wflags) \
+{ .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \
+ .invert = winvert, .event = wevent, .event_flags = wflags, \
+ .subseq = wsubseq}
+#define SND_SOC_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, winvert, wevent, \
+ wflags) \
+{ .id = snd_soc_dapm_supply, .name = wname, .reg = wreg, \
+ .shift = wshift, .invert = winvert, .event = wevent, \
+ .event_flags = wflags, .subseq = wsubseq}
+
/* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */
#define SOC_PGA_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \
wevent, wflags) \
unsigned char ext:1; /* has external widgets */
unsigned char force:1; /* force state */
unsigned char ignore_suspend:1; /* kept enabled over suspend */
+ int subseq; /* sort within widget type */
int (*power_check)(struct snd_soc_dapm_widget *w);
struct snd_soc_dapm_update *update;
+ void (*seq_notifier)(struct snd_soc_dapm_context *,
+ enum snd_soc_dapm_type);
+
struct device *dev; /* from parent - for debug */
struct snd_soc_codec *codec; /* parent codec */
struct snd_soc_card *card; /* parent card */
SND_SOC_RBTREE_COMPRESSION
};
+int snd_soc_register_card(struct snd_soc_card *card);
+int snd_soc_unregister_card(struct snd_soc_card *card);
int snd_soc_register_platform(struct device *dev,
struct snd_soc_platform_driver *platform_drv);
void snd_soc_unregister_platform(struct device *dev);
const struct snd_soc_codec_driver *codec_drv,
struct snd_soc_dai_driver *dai_drv, int num_dai);
void snd_soc_unregister_codec(struct device *dev);
-int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg);
+int snd_soc_codec_volatile_register(struct snd_soc_codec *codec,
+ unsigned int reg);
int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
int addr_bits, int data_bits,
enum snd_soc_control_type control);
unsigned int reg, unsigned int value);
int snd_soc_cache_read(struct snd_soc_codec *codec,
unsigned int reg, unsigned int *value);
+int snd_soc_default_volatile_register(struct snd_soc_codec *codec,
+ unsigned int reg);
+int snd_soc_default_readable_register(struct snd_soc_codec *codec,
+ unsigned int reg);
/* Utility functions to get clock rates from various things */
int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
int snd_soc_put_volsw_2r_sx(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
+/**
+ * struct snd_soc_reg_access - Describes whether a given register is
+ * readable, writable or volatile.
+ *
+ * @reg: the register number
+ * @read: whether this register is readable
+ * @write: whether this register is writable
+ * @vol: whether this register is volatile
+ */
+struct snd_soc_reg_access {
+ u16 reg;
+ u16 read;
+ u16 write;
+ u16 vol;
+};
+
/**
* struct snd_soc_jack_pin - Describes a pin to update based on jack detection
*
struct list_head card_list;
int num_dai;
enum snd_soc_compress_type compress_type;
+ size_t reg_size; /* reg_cache_size * reg_word_size */
+ int (*volatile_register)(struct snd_soc_codec *, unsigned int);
+ int (*readable_register)(struct snd_soc_codec *, unsigned int);
/* runtime */
struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */
unsigned int active;
+ unsigned int cache_bypass:1; /* Suppress access to the cache */
unsigned int cache_only:1; /* Suppress writes to hardware */
unsigned int cache_sync:1; /* Cache needs to be synced to hardware */
unsigned int suspended:1; /* Codec is in suspend PM state */
int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
int (*display_register)(struct snd_soc_codec *, char *,
size_t, unsigned int);
- int (*volatile_register)(unsigned int);
- int (*readable_register)(unsigned int);
+ int (*volatile_register)(struct snd_soc_codec *, unsigned int);
+ int (*readable_register)(struct snd_soc_codec *, unsigned int);
short reg_cache_size;
short reg_cache_step;
short reg_word_size;
const void *reg_cache_default;
+ short reg_access_size;
+ const struct snd_soc_reg_access *reg_access_default;
enum snd_soc_compress_type compress_type;
/* codec bias level */
int (*set_bias_level)(struct snd_soc_codec *,
enum snd_soc_bias_level level);
+
+ void (*seq_notifier)(struct snd_soc_dapm_context *,
+ enum snd_soc_dapm_type);
};
/* SoC platform interface */
return dev_get_drvdata(&rtd->dev);
}
+static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
+{
+ INIT_LIST_HEAD(&card->dai_dev_list);
+ INIT_LIST_HEAD(&card->codec_dev_list);
+ INIT_LIST_HEAD(&card->platform_dev_list);
+ INIT_LIST_HEAD(&card->widgets);
+ INIT_LIST_HEAD(&card->paths);
+ INIT_LIST_HEAD(&card->dapm_list);
+}
+
#include <sound/soc-dai.h>
+#ifdef CONFIG_DEBUG_FS
+extern struct dentry *snd_soc_debugfs_root;
+#endif
+
#endif
#define WM8903_MICBIAS_ENA_SHIFT 0 /* MICBIAS_ENA */
#define WM8903_MICBIAS_ENA_WIDTH 1 /* MICBIAS_ENA */
+/*
+ * WM8903_GPn_FN values
+ *
+ * See datasheets for list of valid values per pin
+ */
+#define WM8903_GPn_FN_GPIO_OUTPUT 0
+#define WM8903_GPn_FN_BCLK 1
+#define WM8903_GPn_FN_IRQ_OUTPT 2
+#define WM8903_GPn_FN_GPIO_INPUT 3
+#define WM8903_GPn_FN_MICBIAS_CURRENT_DETECT 4
+#define WM8903_GPn_FN_MICBIAS_SHORT_DETECT 5
+#define WM8903_GPn_FN_DMIC_LR_CLK_OUTPUT 6
+#define WM8903_GPn_FN_FLL_LOCK_OUTPUT 8
+#define WM8903_GPn_FN_FLL_CLOCK_OUTPUT 9
+
/*
* R116 (0x74) - GPIO Control 1
*/
#define WM8903_GP5_DB_SHIFT 0 /* GP5_DB */
#define WM8903_GP5_DB_WIDTH 1 /* GP5_DB */
+#define WM8903_NUM_GPIO 5
+
struct wm8903_platform_data {
bool irq_active_low; /* Set if IRQ active low, default high */
int micdet_delay; /* Delay after microphone detection (ms) */
- u32 gpio_cfg[5]; /* Default register values for GPIO pin mux */
+ int gpio_base;
+ u32 gpio_cfg[WM8903_NUM_GPIO]; /* Default register values for GPIO pin mux */
};
#endif
TP_printk("jack=%s %x", __get_str(name), (int)__entry->val)
);
+TRACE_EVENT(snd_soc_cache_sync,
+
+ TP_PROTO(struct snd_soc_codec *codec, const char *type,
+ const char *status),
+
+ TP_ARGS(codec, type, status),
+
+ TP_STRUCT__entry(
+ __string( name, codec->name )
+ __string( status, status )
+ __string( type, type )
+ __field( int, id )
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, codec->name);
+ __assign_str(status, status);
+ __assign_str(type, type);
+ __entry->id = codec->id;
+ ),
+
+ TP_printk("codec=%s.%d type=%s status=%s", __get_str(name),
+ (int)__entry->id, __get_str(type), __get_str(status))
+);
+
#endif /* _TRACE_ASOC_H */
/* This part must be outside protection */
source "sound/soc/nuc900/Kconfig"
source "sound/soc/omap/Kconfig"
source "sound/soc/kirkwood/Kconfig"
+source "sound/soc/mid-x86/Kconfig"
source "sound/soc/pxa/Kconfig"
source "sound/soc/samsung/Kconfig"
source "sound/soc/s6000/Kconfig"
source "sound/soc/sh/Kconfig"
+source "sound/soc/tegra/Kconfig"
source "sound/soc/txx9/Kconfig"
# Supported codecs
obj-$(CONFIG_SND_SOC) += fsl/
obj-$(CONFIG_SND_SOC) += imx/
obj-$(CONFIG_SND_SOC) += jz4740/
+obj-$(CONFIG_SND_SOC) += mid-x86/
obj-$(CONFIG_SND_SOC) += nuc900/
obj-$(CONFIG_SND_SOC) += omap/
obj-$(CONFIG_SND_SOC) += kirkwood/
obj-$(CONFIG_SND_SOC) += samsung/
obj-$(CONFIG_SND_SOC) += s6000/
obj-$(CONFIG_SND_SOC) += sh/
+obj-$(CONFIG_SND_SOC) += tegra/
obj-$(CONFIG_SND_SOC) += txx9/
select SND_SOC_CQ0093VC if MFD_DAVINCI_VOICECODEC
select SND_SOC_CS42L51 if I2C
select SND_SOC_CS4270 if I2C
+ select SND_SOC_CS4271 if SND_SOC_I2C_AND_SPI
select SND_SOC_CX20442
select SND_SOC_DA7210 if I2C
select SND_SOC_JZ4740_CODEC if SOC_JZ4740
select SND_SOC_MAX98088 if I2C
select SND_SOC_MAX9877 if I2C
select SND_SOC_PCM3008
+ select SND_SOC_SN95031 if INTEL_SCU_IPC
select SND_SOC_SPDIF
select SND_SOC_SSM2602 if I2C
select SND_SOC_STAC9766 if SND_SOC_AC97_BUS
select SND_SOC_WM8985 if SND_SOC_I2C_AND_SPI
select SND_SOC_WM8988 if SND_SOC_I2C_AND_SPI
select SND_SOC_WM8990 if I2C
+ select SND_SOC_WM8991 if I2C
select SND_SOC_WM8993 if I2C
select SND_SOC_WM8994 if MFD_WM8994
select SND_SOC_WM8995 if SND_SOC_I2C_AND_SPI
bool
depends on SND_SOC_CS4270
+config SND_SOC_CS4271
+ tristate
+
config SND_SOC_CX20442
tristate
config SND_SOC_PCM3008
tristate
+config SND_SOC_SN95031
+ tristate
+
config SND_SOC_SPDIF
tristate
config SND_SOC_WM8990
tristate
+config SND_SOC_WM8991
+ tristate
+
config SND_SOC_WM8993
tristate
snd-soc-cq93vc-objs := cq93vc.o
snd-soc-cs42l51-objs := cs42l51.o
snd-soc-cs4270-objs := cs4270.o
+snd-soc-cs4271-objs := cs4271.o
snd-soc-cx20442-objs := cx20442.o
snd-soc-da7210-objs := da7210.o
snd-soc-dmic-objs := dmic.o
snd-soc-max98088-objs := max98088.o
snd-soc-pcm3008-objs := pcm3008.o
snd-soc-alc5623-objs := alc5623.o
+snd-soc-sn95031-objs := sn95031.o
snd-soc-spdif-objs := spdif_transciever.o
snd-soc-ssm2602-objs := ssm2602.o
snd-soc-stac9766-objs := stac9766.o
snd-soc-wm8985-objs := wm8985.o
snd-soc-wm8988-objs := wm8988.o
snd-soc-wm8990-objs := wm8990.o
+snd-soc-wm8991-objs := wm8991.o
snd-soc-wm8993-objs := wm8993.o
snd-soc-wm8994-objs := wm8994.o wm8994-tables.o
snd-soc-wm8995-objs := wm8995.o
obj-$(CONFIG_SND_SOC_CQ0093VC) += snd-soc-cq93vc.o
obj-$(CONFIG_SND_SOC_CS42L51) += snd-soc-cs42l51.o
obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o
+obj-$(CONFIG_SND_SOC_CS4271) += snd-soc-cs4271.o
obj-$(CONFIG_SND_SOC_CX20442) += snd-soc-cx20442.o
obj-$(CONFIG_SND_SOC_DA7210) += snd-soc-da7210.o
obj-$(CONFIG_SND_SOC_DMIC) += snd-soc-dmic.o
obj-$(CONFIG_SND_SOC_MAX98088) += snd-soc-max98088.o
obj-$(CONFIG_SND_SOC_PCM3008) += snd-soc-pcm3008.o
obj-$(CONFIG_SND_SOC_ALC5623) += snd-soc-alc5623.o
+obj-$(CONFIG_SND_SOC_SN95031) +=snd-soc-sn95031.o
obj-$(CONFIG_SND_SOC_SPDIF) += snd-soc-spdif.o
obj-$(CONFIG_SND_SOC_SSM2602) += snd-soc-ssm2602.o
obj-$(CONFIG_SND_SOC_STAC9766) += snd-soc-stac9766.o
obj-$(CONFIG_SND_SOC_WM8985) += snd-soc-wm8985.o
obj-$(CONFIG_SND_SOC_WM8988) += snd-soc-wm8988.o
obj-$(CONFIG_SND_SOC_WM8990) += snd-soc-wm8990.o
+obj-$(CONFIG_SND_SOC_WM8991) += snd-soc-wm8991.o
obj-$(CONFIG_SND_SOC_WM8993) += snd-soc-wm8993.o
obj-$(CONFIG_SND_SOC_WM8994) += snd-soc-wm8994.o
obj-$(CONFIG_SND_SOC_WM8995) += snd-soc-wm8995.o
#define BCKO_MASK (1 << 3)
#define BCKO_64 BCKO_MASK
+#define DIF_MASK (3 << 0)
+#define DSP (0 << 0)
+#define RIGHT_J (1 << 0)
+#define LEFT_J (2 << 0)
+#define I2S (3 << 0)
+
/* MD_CTL2 */
#define FS0 (1 << 0)
#define FS1 (1 << 1)
snd_soc_update_bits(codec, PW_MGMT2, MS, data);
snd_soc_update_bits(codec, MD_CTL1, BCKO_MASK, bcko);
+ /* format type */
+ data = 0;
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_LEFT_J:
+ data = LEFT_J;
+ break;
+ case SND_SOC_DAIFMT_I2S:
+ data = I2S;
+ break;
+ /* FIXME
+ * Please add RIGHT_J / DSP support here
+ */
+ default:
+ return -EINVAL;
+ break;
+ }
+ snd_soc_update_bits(codec, MD_CTL1, DIF_MASK, data);
+
return 0;
}
/* The number of MCLK/LRCK ratios supported by the CS4270 */
#define NUM_MCLK_RATIOS ARRAY_SIZE(cs4270_mode_ratios)
-static int cs4270_reg_is_readable(unsigned int reg)
+static int cs4270_reg_is_readable(struct snd_soc_codec *codec, unsigned int reg)
{
return (reg >= CS4270_FIRSTREG) && (reg <= CS4270_LASTREG);
}
-static int cs4270_reg_is_volatile(unsigned int reg)
+static int cs4270_reg_is_volatile(struct snd_soc_codec *codec, unsigned int reg)
{
/* Unreadable registers are considered volatile */
if ((reg < CS4270_FIRSTREG) || (reg > CS4270_LASTREG))
--- /dev/null
+/*
+ * CS4271 ASoC codec driver
+ *
+ * Copyright (c) 2010 Alexander Sverdlin <subaparts@yandex.ru>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * This driver support CS4271 codec being master or slave, working
+ * in control port mode, connected either via SPI or I2C.
+ * The data format accepted is I2S or left-justified.
+ * DAPM support not implemented.
+ */
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/tlv.h>
+#include <linux/gpio.h>
+#include <linux/i2c.h>
+#include <linux/spi/spi.h>
+#include <sound/cs4271.h>
+
+#define CS4271_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | \
+ SNDRV_PCM_FMTBIT_S32_LE)
+
+/*
+ * CS4271 registers
+ * High byte represents SPI chip address (0x10) + write command (0)
+ * Low byte - codec register address
+ */
+#define CS4271_MODE1 0x2001 /* Mode Control 1 */
+#define CS4271_DACCTL 0x2002 /* DAC Control */
+#define CS4271_DACVOL 0x2003 /* DAC Volume & Mixing Control */
+#define CS4271_VOLA 0x2004 /* DAC Channel A Volume Control */
+#define CS4271_VOLB 0x2005 /* DAC Channel B Volume Control */
+#define CS4271_ADCCTL 0x2006 /* ADC Control */
+#define CS4271_MODE2 0x2007 /* Mode Control 2 */
+#define CS4271_CHIPID 0x2008 /* Chip ID */
+
+#define CS4271_FIRSTREG CS4271_MODE1
+#define CS4271_LASTREG CS4271_MODE2
+#define CS4271_NR_REGS ((CS4271_LASTREG & 0xFF) + 1)
+
+/* Bit masks for the CS4271 registers */
+#define CS4271_MODE1_MODE_MASK 0xC0
+#define CS4271_MODE1_MODE_1X 0x00
+#define CS4271_MODE1_MODE_2X 0x80
+#define CS4271_MODE1_MODE_4X 0xC0
+
+#define CS4271_MODE1_DIV_MASK 0x30
+#define CS4271_MODE1_DIV_1 0x00
+#define CS4271_MODE1_DIV_15 0x10
+#define CS4271_MODE1_DIV_2 0x20
+#define CS4271_MODE1_DIV_3 0x30
+
+#define CS4271_MODE1_MASTER 0x08
+
+#define CS4271_MODE1_DAC_DIF_MASK 0x07
+#define CS4271_MODE1_DAC_DIF_LJ 0x00
+#define CS4271_MODE1_DAC_DIF_I2S 0x01
+#define CS4271_MODE1_DAC_DIF_RJ16 0x02
+#define CS4271_MODE1_DAC_DIF_RJ24 0x03
+#define CS4271_MODE1_DAC_DIF_RJ20 0x04
+#define CS4271_MODE1_DAC_DIF_RJ18 0x05
+
+#define CS4271_DACCTL_AMUTE 0x80
+#define CS4271_DACCTL_IF_SLOW 0x40
+
+#define CS4271_DACCTL_DEM_MASK 0x30
+#define CS4271_DACCTL_DEM_DIS 0x00
+#define CS4271_DACCTL_DEM_441 0x10
+#define CS4271_DACCTL_DEM_48 0x20
+#define CS4271_DACCTL_DEM_32 0x30
+
+#define CS4271_DACCTL_SVRU 0x08
+#define CS4271_DACCTL_SRD 0x04
+#define CS4271_DACCTL_INVA 0x02
+#define CS4271_DACCTL_INVB 0x01
+
+#define CS4271_DACVOL_BEQUA 0x40
+#define CS4271_DACVOL_SOFT 0x20
+#define CS4271_DACVOL_ZEROC 0x10
+
+#define CS4271_DACVOL_ATAPI_MASK 0x0F
+#define CS4271_DACVOL_ATAPI_M_M 0x00
+#define CS4271_DACVOL_ATAPI_M_BR 0x01
+#define CS4271_DACVOL_ATAPI_M_BL 0x02
+#define CS4271_DACVOL_ATAPI_M_BLR2 0x03
+#define CS4271_DACVOL_ATAPI_AR_M 0x04
+#define CS4271_DACVOL_ATAPI_AR_BR 0x05
+#define CS4271_DACVOL_ATAPI_AR_BL 0x06
+#define CS4271_DACVOL_ATAPI_AR_BLR2 0x07
+#define CS4271_DACVOL_ATAPI_AL_M 0x08
+#define CS4271_DACVOL_ATAPI_AL_BR 0x09
+#define CS4271_DACVOL_ATAPI_AL_BL 0x0A
+#define CS4271_DACVOL_ATAPI_AL_BLR2 0x0B
+#define CS4271_DACVOL_ATAPI_ALR2_M 0x0C
+#define CS4271_DACVOL_ATAPI_ALR2_BR 0x0D
+#define CS4271_DACVOL_ATAPI_ALR2_BL 0x0E
+#define CS4271_DACVOL_ATAPI_ALR2_BLR2 0x0F
+
+#define CS4271_VOLA_MUTE 0x80
+#define CS4271_VOLA_VOL_MASK 0x7F
+#define CS4271_VOLB_MUTE 0x80
+#define CS4271_VOLB_VOL_MASK 0x7F
+
+#define CS4271_ADCCTL_DITHER16 0x20
+
+#define CS4271_ADCCTL_ADC_DIF_MASK 0x10
+#define CS4271_ADCCTL_ADC_DIF_LJ 0x00
+#define CS4271_ADCCTL_ADC_DIF_I2S 0x10
+
+#define CS4271_ADCCTL_MUTEA 0x08
+#define CS4271_ADCCTL_MUTEB 0x04
+#define CS4271_ADCCTL_HPFDA 0x02
+#define CS4271_ADCCTL_HPFDB 0x01
+
+#define CS4271_MODE2_LOOP 0x10
+#define CS4271_MODE2_MUTECAEQUB 0x08
+#define CS4271_MODE2_FREEZE 0x04
+#define CS4271_MODE2_CPEN 0x02
+#define CS4271_MODE2_PDN 0x01
+
+#define CS4271_CHIPID_PART_MASK 0xF0
+#define CS4271_CHIPID_REV_MASK 0x0F
+
+/*
+ * Default CS4271 power-up configuration
+ * Array contains non-existing in hw register at address 0
+ * Array do not include Chip ID, as codec driver does not use
+ * registers read operations at all
+ */
+static const u8 cs4271_dflt_reg[CS4271_NR_REGS] = {
+ 0,
+ 0,
+ CS4271_DACCTL_AMUTE,
+ CS4271_DACVOL_SOFT | CS4271_DACVOL_ATAPI_AL_BR,
+ 0,
+ 0,
+ 0,
+ 0,
+};
+
+struct cs4271_private {
+ /* SND_SOC_I2C or SND_SOC_SPI */
+ enum snd_soc_control_type bus_type;
+ void *control_data;
+ unsigned int mclk;
+ bool master;
+ bool deemph;
+ /* Current sample rate for de-emphasis control */
+ int rate;
+ /* GPIO driving Reset pin, if any */
+ int gpio_nreset;
+ /* GPIO that disable serial bus, if any */
+ int gpio_disable;
+};
+
+struct cs4271_clk_cfg {
+ unsigned int ratio; /* MCLK / sample rate */
+ u8 speed_mode; /* codec speed mode: 1x, 2x, 4x */
+ u8 mclk_master; /* ratio bit mask for Master mode */
+ u8 mclk_slave; /* ratio bit mask for Slave mode */
+};
+
+static struct cs4271_clk_cfg cs4271_clk_tab[] = {
+ {64, CS4271_MODE1_MODE_4X, CS4271_MODE1_DIV_1, CS4271_MODE1_DIV_1},
+ {96, CS4271_MODE1_MODE_4X, CS4271_MODE1_DIV_15, CS4271_MODE1_DIV_1},
+ {128, CS4271_MODE1_MODE_2X, CS4271_MODE1_DIV_1, CS4271_MODE1_DIV_1},
+ {192, CS4271_MODE1_MODE_2X, CS4271_MODE1_DIV_15, CS4271_MODE1_DIV_1},
+ {256, CS4271_MODE1_MODE_1X, CS4271_MODE1_DIV_1, CS4271_MODE1_DIV_1},
+ {384, CS4271_MODE1_MODE_1X, CS4271_MODE1_DIV_15, CS4271_MODE1_DIV_1},
+ {512, CS4271_MODE1_MODE_1X, CS4271_MODE1_DIV_2, CS4271_MODE1_DIV_1},
+ {768, CS4271_MODE1_MODE_1X, CS4271_MODE1_DIV_3, CS4271_MODE1_DIV_3},
+ {1024, CS4271_MODE1_MODE_1X, CS4271_MODE1_DIV_3, CS4271_MODE1_DIV_3}
+};
+
+#define CS4171_NR_RATIOS ARRAY_SIZE(cs4271_clk_tab)
+
+/*
+ * @freq is the desired MCLK rate
+ * MCLK rate should (c) be the sample rate, multiplied by one of the
+ * ratios listed in cs4271_mclk_fs_ratios table
+ */
+static int cs4271_set_dai_sysclk(struct snd_soc_dai *codec_dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct cs4271_private *cs4271 = snd_soc_codec_get_drvdata(codec);
+
+ cs4271->mclk = freq;
+ return 0;
+}
+
+static int cs4271_set_dai_fmt(struct snd_soc_dai *codec_dai,
+ unsigned int format)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct cs4271_private *cs4271 = snd_soc_codec_get_drvdata(codec);
+ unsigned int val = 0;
+ int ret;
+
+ switch (format & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ cs4271->master = 0;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFM:
+ cs4271->master = 1;
+ val |= CS4271_MODE1_MASTER;
+ break;
+ default:
+ dev_err(codec->dev, "Invalid DAI format\n");
+ return -EINVAL;
+ }
+
+ switch (format & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_LEFT_J:
+ val |= CS4271_MODE1_DAC_DIF_LJ;
+ ret = snd_soc_update_bits(codec, CS4271_ADCCTL,
+ CS4271_ADCCTL_ADC_DIF_MASK, CS4271_ADCCTL_ADC_DIF_LJ);
+ if (ret < 0)
+ return ret;
+ break;
+ case SND_SOC_DAIFMT_I2S:
+ val |= CS4271_MODE1_DAC_DIF_I2S;
+ ret = snd_soc_update_bits(codec, CS4271_ADCCTL,
+ CS4271_ADCCTL_ADC_DIF_MASK, CS4271_ADCCTL_ADC_DIF_I2S);
+ if (ret < 0)
+ return ret;
+ break;
+ default:
+ dev_err(codec->dev, "Invalid DAI format\n");
+ return -EINVAL;
+ }
+
+ ret = snd_soc_update_bits(codec, CS4271_MODE1,
+ CS4271_MODE1_DAC_DIF_MASK | CS4271_MODE1_MASTER, val);
+ if (ret < 0)
+ return ret;
+ return 0;
+}
+
+static int cs4271_deemph[] = {0, 44100, 48000, 32000};
+
+static int cs4271_set_deemph(struct snd_soc_codec *codec)
+{
+ struct cs4271_private *cs4271 = snd_soc_codec_get_drvdata(codec);
+ int i, ret;
+ int val = CS4271_DACCTL_DEM_DIS;
+
+ if (cs4271->deemph) {
+ /* Find closest de-emphasis freq */
+ val = 1;
+ for (i = 2; i < ARRAY_SIZE(cs4271_deemph); i++)
+ if (abs(cs4271_deemph[i] - cs4271->rate) <
+ abs(cs4271_deemph[val] - cs4271->rate))
+ val = i;
+ val <<= 4;
+ }
+
+ ret = snd_soc_update_bits(codec, CS4271_DACCTL,
+ CS4271_DACCTL_DEM_MASK, val);
+ if (ret < 0)
+ return ret;
+ return 0;
+}
+
+static int cs4271_get_deemph(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct cs4271_private *cs4271 = snd_soc_codec_get_drvdata(codec);
+
+ ucontrol->value.enumerated.item[0] = cs4271->deemph;
+ return 0;
+}
+
+static int cs4271_put_deemph(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct cs4271_private *cs4271 = snd_soc_codec_get_drvdata(codec);
+
+ cs4271->deemph = ucontrol->value.enumerated.item[0];
+ return cs4271_set_deemph(codec);
+}
+
+static int cs4271_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->codec;
+ struct cs4271_private *cs4271 = snd_soc_codec_get_drvdata(codec);
+ int i, ret;
+ unsigned int ratio, val;
+
+ cs4271->rate = params_rate(params);
+ ratio = cs4271->mclk / cs4271->rate;
+ for (i = 0; i < CS4171_NR_RATIOS; i++)
+ if (cs4271_clk_tab[i].ratio == ratio)
+ break;
+
+ if ((i == CS4171_NR_RATIOS) || ((ratio == 1024) && cs4271->master)) {
+ dev_err(codec->dev, "Invalid sample rate\n");
+ return -EINVAL;
+ }
+
+ /* Configure DAC */
+ val = cs4271_clk_tab[i].speed_mode;
+
+ if (cs4271->master)
+ val |= cs4271_clk_tab[i].mclk_master;
+ else
+ val |= cs4271_clk_tab[i].mclk_slave;
+
+ ret = snd_soc_update_bits(codec, CS4271_MODE1,
+ CS4271_MODE1_MODE_MASK | CS4271_MODE1_DIV_MASK, val);
+ if (ret < 0)
+ return ret;
+
+ return cs4271_set_deemph(codec);
+}
+
+static int cs4271_digital_mute(struct snd_soc_dai *dai, int mute)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ int ret;
+ int val_a = 0;
+ int val_b = 0;
+
+ if (mute) {
+ val_a = CS4271_VOLA_MUTE;
+ val_b = CS4271_VOLB_MUTE;
+ }
+
+ ret = snd_soc_update_bits(codec, CS4271_VOLA, CS4271_VOLA_MUTE, val_a);
+ if (ret < 0)
+ return ret;
+ ret = snd_soc_update_bits(codec, CS4271_VOLB, CS4271_VOLB_MUTE, val_b);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+/* CS4271 controls */
+static DECLARE_TLV_DB_SCALE(cs4271_dac_tlv, -12700, 100, 0);
+
+static const struct snd_kcontrol_new cs4271_snd_controls[] = {
+ SOC_DOUBLE_R_TLV("Master Playback Volume", CS4271_VOLA, CS4271_VOLB,
+ 0, 0x7F, 1, cs4271_dac_tlv),
+ SOC_SINGLE("Digital Loopback Switch", CS4271_MODE2, 4, 1, 0),
+ SOC_SINGLE("Soft Ramp Switch", CS4271_DACVOL, 5, 1, 0),
+ SOC_SINGLE("Zero Cross Switch", CS4271_DACVOL, 4, 1, 0),
+ SOC_SINGLE_BOOL_EXT("De-emphasis Switch", 0,
+ cs4271_get_deemph, cs4271_put_deemph),
+ SOC_SINGLE("Auto-Mute Switch", CS4271_DACCTL, 7, 1, 0),
+ SOC_SINGLE("Slow Roll Off Filter Switch", CS4271_DACCTL, 6, 1, 0),
+ SOC_SINGLE("Soft Volume Ramp-Up Switch", CS4271_DACCTL, 3, 1, 0),
+ SOC_SINGLE("Soft Ramp-Down Switch", CS4271_DACCTL, 2, 1, 0),
+ SOC_SINGLE("Left Channel Inversion Switch", CS4271_DACCTL, 1, 1, 0),
+ SOC_SINGLE("Right Channel Inversion Switch", CS4271_DACCTL, 0, 1, 0),
+ SOC_DOUBLE("Master Capture Switch", CS4271_ADCCTL, 3, 2, 1, 1),
+ SOC_SINGLE("Dither 16-Bit Data Switch", CS4271_ADCCTL, 5, 1, 0),
+ SOC_DOUBLE("High Pass Filter Switch", CS4271_ADCCTL, 1, 0, 1, 1),
+ SOC_DOUBLE_R("Master Playback Switch", CS4271_VOLA, CS4271_VOLB,
+ 7, 1, 1),
+};
+
+static struct snd_soc_dai_ops cs4271_dai_ops = {
+ .hw_params = cs4271_hw_params,
+ .set_sysclk = cs4271_set_dai_sysclk,
+ .set_fmt = cs4271_set_dai_fmt,
+ .digital_mute = cs4271_digital_mute,
+};
+
+struct snd_soc_dai_driver cs4271_dai = {
+ .name = "cs4271-hifi",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_96000,
+ .formats = CS4271_PCM_FORMATS,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_96000,
+ .formats = CS4271_PCM_FORMATS,
+ },
+ .ops = &cs4271_dai_ops,
+ .symmetric_rates = 1,
+};
+
+#ifdef CONFIG_PM
+static int cs4271_soc_suspend(struct snd_soc_codec *codec, pm_message_t mesg)
+{
+ int ret;
+ /* Set power-down bit */
+ ret = snd_soc_update_bits(codec, CS4271_MODE2, 0, CS4271_MODE2_PDN);
+ if (ret < 0)
+ return ret;
+ return 0;
+}
+
+static int cs4271_soc_resume(struct snd_soc_codec *codec)
+{
+ int ret;
+ /* Restore codec state */
+ ret = snd_soc_cache_sync(codec);
+ if (ret < 0)
+ return ret;
+ /* then disable the power-down bit */
+ ret = snd_soc_update_bits(codec, CS4271_MODE2, CS4271_MODE2_PDN, 0);
+ if (ret < 0)
+ return ret;
+ return 0;
+}
+#else
+#define cs4271_soc_suspend NULL
+#define cs4271_soc_resume NULL
+#endif /* CONFIG_PM */
+
+static int cs4271_probe(struct snd_soc_codec *codec)
+{
+ struct cs4271_private *cs4271 = snd_soc_codec_get_drvdata(codec);
+ struct cs4271_platform_data *cs4271plat = codec->dev->platform_data;
+ int ret;
+ int gpio_nreset = -EINVAL;
+ int gpio_disable = -EINVAL;
+
+ codec->control_data = cs4271->control_data;
+
+ if (cs4271plat) {
+ if (gpio_is_valid(cs4271plat->gpio_nreset))
+ gpio_nreset = cs4271plat->gpio_nreset;
+ if (gpio_is_valid(cs4271plat->gpio_disable))
+ gpio_disable = cs4271plat->gpio_disable;
+ }
+
+ if (gpio_disable >= 0)
+ if (gpio_request(gpio_disable, "CS4271 Disable"))
+ gpio_disable = -EINVAL;
+ if (gpio_disable >= 0)
+ gpio_direction_output(gpio_disable, 0);
+
+ if (gpio_nreset >= 0)
+ if (gpio_request(gpio_nreset, "CS4271 Reset"))
+ gpio_nreset = -EINVAL;
+ if (gpio_nreset >= 0) {
+ /* Reset codec */
+ gpio_direction_output(gpio_nreset, 0);
+ udelay(1);
+ gpio_set_value(gpio_nreset, 1);
+ /* Give the codec time to wake up */
+ udelay(1);
+ }
+
+ cs4271->gpio_nreset = gpio_nreset;
+ cs4271->gpio_disable = gpio_disable;
+
+ /*
+ * In case of I2C, chip address specified in board data.
+ * So cache IO operations use 8 bit codec register address.
+ * In case of SPI, chip address and register address
+ * passed together as 16 bit value.
+ * Anyway, register address is masked with 0xFF inside
+ * soc-cache code.
+ */
+ if (cs4271->bus_type == SND_SOC_SPI)
+ ret = snd_soc_codec_set_cache_io(codec, 16, 8,
+ cs4271->bus_type);
+ else
+ ret = snd_soc_codec_set_cache_io(codec, 8, 8,
+ cs4271->bus_type);
+ if (ret) {
+ dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_update_bits(codec, CS4271_MODE2, 0,
+ CS4271_MODE2_PDN | CS4271_MODE2_CPEN);
+ if (ret < 0)
+ return ret;
+ ret = snd_soc_update_bits(codec, CS4271_MODE2, CS4271_MODE2_PDN, 0);
+ if (ret < 0)
+ return ret;
+ /* Power-up sequence requires 85 uS */
+ udelay(85);
+
+ return snd_soc_add_controls(codec, cs4271_snd_controls,
+ ARRAY_SIZE(cs4271_snd_controls));
+}
+
+static int cs4271_remove(struct snd_soc_codec *codec)
+{
+ struct cs4271_private *cs4271 = snd_soc_codec_get_drvdata(codec);
+ int gpio_nreset, gpio_disable;
+
+ gpio_nreset = cs4271->gpio_nreset;
+ gpio_disable = cs4271->gpio_disable;
+
+ if (gpio_is_valid(gpio_nreset)) {
+ /* Set codec to the reset state */
+ gpio_set_value(gpio_nreset, 0);
+ gpio_free(gpio_nreset);
+ }
+
+ if (gpio_is_valid(gpio_disable))
+ gpio_free(gpio_disable);
+
+ return 0;
+};
+
+struct snd_soc_codec_driver soc_codec_dev_cs4271 = {
+ .probe = cs4271_probe,
+ .remove = cs4271_remove,
+ .suspend = cs4271_soc_suspend,
+ .resume = cs4271_soc_resume,
+ .reg_cache_default = cs4271_dflt_reg,
+ .reg_cache_size = ARRAY_SIZE(cs4271_dflt_reg),
+ .reg_word_size = sizeof(cs4271_dflt_reg[0]),
+ .compress_type = SND_SOC_FLAT_COMPRESSION,
+};
+
+#if defined(CONFIG_SPI_MASTER)
+static int __devinit cs4271_spi_probe(struct spi_device *spi)
+{
+ struct cs4271_private *cs4271;
+
+ cs4271 = devm_kzalloc(&spi->dev, sizeof(*cs4271), GFP_KERNEL);
+ if (!cs4271)
+ return -ENOMEM;
+
+ spi_set_drvdata(spi, cs4271);
+ cs4271->control_data = spi;
+ cs4271->bus_type = SND_SOC_SPI;
+
+ return snd_soc_register_codec(&spi->dev, &soc_codec_dev_cs4271,
+ &cs4271_dai, 1);
+}
+
+static int __devexit cs4271_spi_remove(struct spi_device *spi)
+{
+ snd_soc_unregister_codec(&spi->dev);
+ return 0;
+}
+
+static struct spi_driver cs4271_spi_driver = {
+ .driver = {
+ .name = "cs4271",
+ .owner = THIS_MODULE,
+ },
+ .probe = cs4271_spi_probe,
+ .remove = __devexit_p(cs4271_spi_remove),
+};
+#endif /* defined(CONFIG_SPI_MASTER) */
+
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+static struct i2c_device_id cs4271_i2c_id[] = {
+ {"cs4271", 0},
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, cs4271_i2c_id);
+
+static int __devinit cs4271_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct cs4271_private *cs4271;
+
+ cs4271 = devm_kzalloc(&client->dev, sizeof(*cs4271), GFP_KERNEL);
+ if (!cs4271)
+ return -ENOMEM;
+
+ i2c_set_clientdata(client, cs4271);
+ cs4271->control_data = client;
+ cs4271->bus_type = SND_SOC_I2C;
+
+ return snd_soc_register_codec(&client->dev, &soc_codec_dev_cs4271,
+ &cs4271_dai, 1);
+}
+
+static int __devexit cs4271_i2c_remove(struct i2c_client *client)
+{
+ snd_soc_unregister_codec(&client->dev);
+ return 0;
+}
+
+static struct i2c_driver cs4271_i2c_driver = {
+ .driver = {
+ .name = "cs4271",
+ .owner = THIS_MODULE,
+ },
+ .id_table = cs4271_i2c_id,
+ .probe = cs4271_i2c_probe,
+ .remove = __devexit_p(cs4271_i2c_remove),
+};
+#endif /* defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) */
+
+/*
+ * We only register our serial bus driver here without
+ * assignment to particular chip. So if any of the below
+ * fails, there is some problem with I2C or SPI subsystem.
+ * In most cases this module will be compiled with support
+ * of only one serial bus.
+ */
+static int __init cs4271_modinit(void)
+{
+ int ret;
+
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ ret = i2c_add_driver(&cs4271_i2c_driver);
+ if (ret) {
+ pr_err("Failed to register CS4271 I2C driver: %d\n", ret);
+ return ret;
+ }
+#endif
+
+#if defined(CONFIG_SPI_MASTER)
+ ret = spi_register_driver(&cs4271_spi_driver);
+ if (ret) {
+ pr_err("Failed to register CS4271 SPI driver: %d\n", ret);
+ return ret;
+ }
+#endif
+
+ return 0;
+}
+module_init(cs4271_modinit);
+
+static void __exit cs4271_modexit(void)
+{
+#if defined(CONFIG_SPI_MASTER)
+ spi_unregister_driver(&cs4271_spi_driver);
+#endif
+
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ i2c_del_driver(&cs4271_i2c_driver);
+#endif
+}
+module_exit(cs4271_modexit);
+
+MODULE_AUTHOR("Alexander Sverdlin <subaparts@yandex.ru>");
+MODULE_DESCRIPTION("Cirrus Logic CS4271 ALSA SoC Codec Driver");
+MODULE_LICENSE("GPL");
{ 0xFF, 0x00, 1 }, /* FF */
};
-static int max98088_volatile_register(unsigned int reg)
+static int max98088_volatile_register(struct snd_soc_codec *codec, unsigned int reg)
{
return max98088_access[reg].vol;
}
--- /dev/null
+/*
+ * sn95031.c - TI sn95031 Codec driver
+ *
+ * Copyright (C) 2010 Intel Corp
+ * Author: Vinod Koul <vinod.koul@intel.com>
+ * Author: Harsha Priya <priya.harsha@intel.com>
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ *
+ */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <asm/intel_scu_ipc.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+#include "sn95031.h"
+
+#define SN95031_RATES (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100)
+#define SN95031_FORMATS (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE)
+
+/*
+ * todo:
+ * capture paths
+ * jack detection
+ * PM functions
+ */
+
+static inline unsigned int sn95031_read(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u8 value = 0;
+ int ret;
+
+ ret = intel_scu_ipc_ioread8(reg, &value);
+ if (ret)
+ pr_err("read of %x failed, err %d\n", reg, ret);
+ return value;
+
+}
+
+static inline int sn95031_write(struct snd_soc_codec *codec,
+ unsigned int reg, unsigned int value)
+{
+ int ret;
+
+ ret = intel_scu_ipc_iowrite8(reg, value);
+ if (ret)
+ pr_err("write of %x failed, err %d\n", reg, ret);
+ return ret;
+}
+
+static int sn95031_set_vaud_bias(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ break;
+
+ case SND_SOC_BIAS_PREPARE:
+ if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY) {
+ pr_debug("vaud_bias powering up pll\n");
+ /* power up the pll */
+ snd_soc_write(codec, SN95031_AUDPLLCTRL, BIT(5));
+ /* enable pcm 2 */
+ snd_soc_update_bits(codec, SN95031_PCM2C2,
+ BIT(0), BIT(0));
+ }
+ break;
+
+ case SND_SOC_BIAS_STANDBY:
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+ pr_debug("vaud_bias power up rail\n");
+ /* power up the rail */
+ snd_soc_write(codec, SN95031_VAUD,
+ BIT(2)|BIT(1)|BIT(0));
+ msleep(1);
+ } else if (codec->dapm.bias_level == SND_SOC_BIAS_PREPARE) {
+ /* turn off pcm */
+ pr_debug("vaud_bias power dn pcm\n");
+ snd_soc_update_bits(codec, SN95031_PCM2C2, BIT(0), 0);
+ snd_soc_write(codec, SN95031_AUDPLLCTRL, 0);
+ }
+ break;
+
+
+ case SND_SOC_BIAS_OFF:
+ pr_debug("vaud_bias _OFF doing rail shutdown\n");
+ snd_soc_write(codec, SN95031_VAUD, BIT(3));
+ break;
+ }
+
+ codec->dapm.bias_level = level;
+ return 0;
+}
+
+static int sn95031_vhs_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ if (SND_SOC_DAPM_EVENT_ON(event)) {
+ pr_debug("VHS SND_SOC_DAPM_EVENT_ON doing rail startup now\n");
+ /* power up the rail */
+ snd_soc_write(w->codec, SN95031_VHSP, 0x3D);
+ snd_soc_write(w->codec, SN95031_VHSN, 0x3F);
+ msleep(1);
+ } else if (SND_SOC_DAPM_EVENT_OFF(event)) {
+ pr_debug("VHS SND_SOC_DAPM_EVENT_OFF doing rail shutdown\n");
+ snd_soc_write(w->codec, SN95031_VHSP, 0xC4);
+ snd_soc_write(w->codec, SN95031_VHSN, 0x04);
+ }
+ return 0;
+}
+
+static int sn95031_vihf_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ if (SND_SOC_DAPM_EVENT_ON(event)) {
+ pr_debug("VIHF SND_SOC_DAPM_EVENT_ON doing rail startup now\n");
+ /* power up the rail */
+ snd_soc_write(w->codec, SN95031_VIHF, 0x27);
+ msleep(1);
+ } else if (SND_SOC_DAPM_EVENT_OFF(event)) {
+ pr_debug("VIHF SND_SOC_DAPM_EVENT_OFF doing rail shutdown\n");
+ snd_soc_write(w->codec, SN95031_VIHF, 0x24);
+ }
+ return 0;
+}
+
+/* DAPM widgets */
+static const struct snd_soc_dapm_widget sn95031_dapm_widgets[] = {
+
+ /* all end points mic, hs etc */
+ SND_SOC_DAPM_OUTPUT("HPOUTL"),
+ SND_SOC_DAPM_OUTPUT("HPOUTR"),
+ SND_SOC_DAPM_OUTPUT("EPOUT"),
+ SND_SOC_DAPM_OUTPUT("IHFOUTL"),
+ SND_SOC_DAPM_OUTPUT("IHFOUTR"),
+ SND_SOC_DAPM_OUTPUT("LINEOUTL"),
+ SND_SOC_DAPM_OUTPUT("LINEOUTR"),
+ SND_SOC_DAPM_OUTPUT("VIB1OUT"),
+ SND_SOC_DAPM_OUTPUT("VIB2OUT"),
+
+ SND_SOC_DAPM_SUPPLY("Headset Rail", SND_SOC_NOPM, 0, 0,
+ sn95031_vhs_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SUPPLY("Speaker Rail", SND_SOC_NOPM, 0, 0,
+ sn95031_vihf_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+
+ /* playback path driver enables */
+ SND_SOC_DAPM_PGA("Headset Left Playback",
+ SN95031_DRIVEREN, 0, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Headset Right Playback",
+ SN95031_DRIVEREN, 1, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Speaker Left Playback",
+ SN95031_DRIVEREN, 2, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Speaker Right Playback",
+ SN95031_DRIVEREN, 3, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Vibra1 Playback",
+ SN95031_DRIVEREN, 4, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Vibra2 Playback",
+ SN95031_DRIVEREN, 5, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Earpiece Playback",
+ SN95031_DRIVEREN, 6, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Lineout Left Playback",
+ SN95031_LOCTL, 0, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Lineout Right Playback",
+ SN95031_LOCTL, 4, 0, NULL, 0),
+
+ /* playback path filter enable */
+ SND_SOC_DAPM_PGA("Headset Left Filter",
+ SN95031_HSEPRXCTRL, 4, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Headset Right Filter",
+ SN95031_HSEPRXCTRL, 5, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Speaker Left Filter",
+ SN95031_IHFRXCTRL, 0, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Speaker Right Filter",
+ SN95031_IHFRXCTRL, 1, 0, NULL, 0),
+
+ /* DACs */
+ SND_SOC_DAPM_DAC("HSDAC Left", "Headset",
+ SN95031_DACCONFIG, 0, 0),
+ SND_SOC_DAPM_DAC("HSDAC Right", "Headset",
+ SN95031_DACCONFIG, 1, 0),
+ SND_SOC_DAPM_DAC("IHFDAC Left", "Speaker",
+ SN95031_DACCONFIG, 2, 0),
+ SND_SOC_DAPM_DAC("IHFDAC Right", "Speaker",
+ SN95031_DACCONFIG, 3, 0),
+ SND_SOC_DAPM_DAC("Vibra1 DAC", "Vibra1",
+ SN95031_VIB1C5, 1, 0),
+ SND_SOC_DAPM_DAC("Vibra2 DAC", "Vibra2",
+ SN95031_VIB2C5, 1, 0),
+};
+
+static const struct snd_soc_dapm_route sn95031_audio_map[] = {
+ /* headset and earpiece map */
+ { "HPOUTL", NULL, "Headset Left Playback" },
+ { "HPOUTR", NULL, "Headset Right Playback" },
+ { "EPOUT", NULL, "Earpiece Playback" },
+ { "Headset Left Playback", NULL, "Headset Left Filter"},
+ { "Headset Right Playback", NULL, "Headset Right Filter"},
+ { "Earpiece Playback", NULL, "Headset Left Filter"},
+ { "Headset Left Filter", NULL, "HSDAC Left"},
+ { "Headset Right Filter", NULL, "HSDAC Right"},
+ { "HSDAC Left", NULL, "Headset Rail"},
+ { "HSDAC Right", NULL, "Headset Rail"},
+
+ /* speaker map */
+ { "IHFOUTL", "NULL", "Speaker Left Playback"},
+ { "IHFOUTR", "NULL", "Speaker Right Playback"},
+ { "Speaker Left Playback", NULL, "Speaker Left Filter"},
+ { "Speaker Right Playback", NULL, "Speaker Right Filter"},
+ { "Speaker Left Filter", NULL, "IHFDAC Left"},
+ { "Speaker Right Filter", NULL, "IHFDAC Right"},
+ { "IHFDAC Left", NULL, "Speaker Rail"},
+ { "IHFDAC Right", NULL, "Speaker Rail"},
+
+ /* vibra map */
+ { "VIB1OUT", NULL, "Vibra1 Playback"},
+ { "Vibra1 Playback", NULL, "Vibra1 DAC"},
+
+ { "VIB2OUT", NULL, "Vibra2 Playback"},
+ { "Vibra2 Playback", NULL, "Vibra2 DAC"},
+
+ /* lineout */
+ { "LINEOUTL", NULL, "Lineout Left Playback"},
+ { "LINEOUTR", NULL, "Lineout Right Playback"},
+ { "Lineout Left Playback", NULL, "Headset Left Filter"},
+ { "Lineout Left Playback", NULL, "Speaker Left Filter"},
+ { "Lineout Left Playback", NULL, "Vibra1 DAC"},
+ { "Lineout Right Playback", NULL, "Headset Right Filter"},
+ { "Lineout Right Playback", NULL, "Speaker Right Filter"},
+ { "Lineout Right Playback", NULL, "Vibra2 DAC"},
+};
+
+/* speaker and headset mutes, for audio pops and clicks */
+static int sn95031_pcm_hs_mute(struct snd_soc_dai *dai, int mute)
+{
+ snd_soc_update_bits(dai->codec,
+ SN95031_HSLVOLCTRL, BIT(7), (!mute << 7));
+ snd_soc_update_bits(dai->codec,
+ SN95031_HSRVOLCTRL, BIT(7), (!mute << 7));
+ return 0;
+}
+
+static int sn95031_pcm_spkr_mute(struct snd_soc_dai *dai, int mute)
+{
+ snd_soc_update_bits(dai->codec,
+ SN95031_IHFLVOLCTRL, BIT(7), (!mute << 7));
+ snd_soc_update_bits(dai->codec,
+ SN95031_IHFRVOLCTRL, BIT(7), (!mute << 7));
+ return 0;
+}
+
+int sn95031_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
+{
+ unsigned int format, rate;
+
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ format = BIT(4)|BIT(5);
+ break;
+
+ case SNDRV_PCM_FORMAT_S24_LE:
+ format = 0;
+ break;
+ default:
+ return -EINVAL;
+ }
+ snd_soc_update_bits(dai->codec, SN95031_PCM2C2,
+ BIT(4)|BIT(5), format);
+
+ switch (params_rate(params)) {
+ case 48000:
+ pr_debug("RATE_48000\n");
+ rate = 0;
+ break;
+
+ case 44100:
+ pr_debug("RATE_44100\n");
+ rate = BIT(7);
+ break;
+
+ default:
+ pr_err("ERR rate %d\n", params_rate(params));
+ return -EINVAL;
+ }
+ snd_soc_update_bits(dai->codec, SN95031_PCM1C1, BIT(7), rate);
+
+ return 0;
+}
+
+/* Codec DAI section */
+static struct snd_soc_dai_ops sn95031_headset_dai_ops = {
+ .digital_mute = sn95031_pcm_hs_mute,
+ .hw_params = sn95031_pcm_hw_params,
+};
+
+static struct snd_soc_dai_ops sn95031_speaker_dai_ops = {
+ .digital_mute = sn95031_pcm_spkr_mute,
+ .hw_params = sn95031_pcm_hw_params,
+};
+
+static struct snd_soc_dai_ops sn95031_vib1_dai_ops = {
+ .hw_params = sn95031_pcm_hw_params,
+};
+
+static struct snd_soc_dai_ops sn95031_vib2_dai_ops = {
+ .hw_params = sn95031_pcm_hw_params,
+};
+
+struct snd_soc_dai_driver sn95031_dais[] = {
+{
+ .name = "SN95031 Headset",
+ .playback = {
+ .stream_name = "Headset",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SN95031_RATES,
+ .formats = SN95031_FORMATS,
+ },
+ .ops = &sn95031_headset_dai_ops,
+},
+{ .name = "SN95031 Speaker",
+ .playback = {
+ .stream_name = "Speaker",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SN95031_RATES,
+ .formats = SN95031_FORMATS,
+ },
+ .ops = &sn95031_speaker_dai_ops,
+},
+{ .name = "SN95031 Vibra1",
+ .playback = {
+ .stream_name = "Vibra1",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = SN95031_RATES,
+ .formats = SN95031_FORMATS,
+ },
+ .ops = &sn95031_vib1_dai_ops,
+},
+{ .name = "SN95031 Vibra2",
+ .playback = {
+ .stream_name = "Vibra2",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = SN95031_RATES,
+ .formats = SN95031_FORMATS,
+ },
+ .ops = &sn95031_vib2_dai_ops,
+},
+};
+
+/* codec registration */
+static int sn95031_codec_probe(struct snd_soc_codec *codec)
+{
+ int ret;
+
+ pr_debug("codec_probe called\n");
+
+ codec->dapm.bias_level = SND_SOC_BIAS_OFF;
+ codec->dapm.idle_bias_off = 1;
+
+ /* PCM interface config
+ * This sets the pcm rx slot conguration to max 6 slots
+ * for max 4 dais (2 stereo and 2 mono)
+ */
+ snd_soc_write(codec, SN95031_PCM2RXSLOT01, 0x10);
+ snd_soc_write(codec, SN95031_PCM2RXSLOT23, 0x32);
+ snd_soc_write(codec, SN95031_PCM2RXSLOT45, 0x54);
+ /* pcm port setting
+ * This sets the pcm port to slave and clock at 19.2Mhz which
+ * can support 6slots, sampling rate set per stream in hw-params
+ */
+ snd_soc_write(codec, SN95031_PCM1C1, 0x00);
+ snd_soc_write(codec, SN95031_PCM2C1, 0x01);
+ snd_soc_write(codec, SN95031_PCM2C2, 0x0A);
+ snd_soc_write(codec, SN95031_HSMIXER, BIT(0)|BIT(4));
+ /* vendor vibra workround, the vibras are muted by
+ * custom register so unmute them
+ */
+ snd_soc_write(codec, SN95031_SSR5, 0x80);
+ snd_soc_write(codec, SN95031_SSR6, 0x80);
+ snd_soc_write(codec, SN95031_VIB1C5, 0x00);
+ snd_soc_write(codec, SN95031_VIB2C5, 0x00);
+ /* configure vibras for pcm port */
+ snd_soc_write(codec, SN95031_VIB1C3, 0x00);
+ snd_soc_write(codec, SN95031_VIB2C3, 0x00);
+
+ /* soft mute ramp time */
+ snd_soc_write(codec, SN95031_SOFTMUTE, 0x3);
+ /* fix the initial volume at 1dB,
+ * default in +9dB,
+ * 1dB give optimal swing on DAC, amps
+ */
+ snd_soc_write(codec, SN95031_HSLVOLCTRL, 0x08);
+ snd_soc_write(codec, SN95031_HSRVOLCTRL, 0x08);
+ snd_soc_write(codec, SN95031_IHFLVOLCTRL, 0x08);
+ snd_soc_write(codec, SN95031_IHFRVOLCTRL, 0x08);
+ /* dac mode and lineout workaround */
+ snd_soc_write(codec, SN95031_SSR2, 0x10);
+ snd_soc_write(codec, SN95031_SSR3, 0x40);
+
+ ret = snd_soc_dapm_new_controls(&codec->dapm, sn95031_dapm_widgets,
+ ARRAY_SIZE(sn95031_dapm_widgets));
+ if (ret)
+ pr_err("soc_dapm_new_control failed %d", ret);
+ ret = snd_soc_dapm_add_routes(&codec->dapm, sn95031_audio_map,
+ ARRAY_SIZE(sn95031_audio_map));
+ if (ret)
+ pr_err("soc_dapm_add_routes failed %d", ret);
+
+ return ret;
+}
+
+static int sn95031_codec_remove(struct snd_soc_codec *codec)
+{
+ pr_debug("codec_remove called\n");
+ sn95031_set_vaud_bias(codec, SND_SOC_BIAS_OFF);
+
+ return 0;
+}
+
+struct snd_soc_codec_driver sn95031_codec = {
+ .probe = sn95031_codec_probe,
+ .remove = sn95031_codec_remove,
+ .read = sn95031_read,
+ .write = sn95031_write,
+ .set_bias_level = sn95031_set_vaud_bias,
+};
+
+static int __devinit sn95031_device_probe(struct platform_device *pdev)
+{
+ pr_debug("codec device probe called for %s\n", dev_name(&pdev->dev));
+ return snd_soc_register_codec(&pdev->dev, &sn95031_codec,
+ sn95031_dais, ARRAY_SIZE(sn95031_dais));
+}
+
+static int __devexit sn95031_device_remove(struct platform_device *pdev)
+{
+ pr_debug("codec device remove called\n");
+ snd_soc_unregister_codec(&pdev->dev);
+ return 0;
+}
+
+static struct platform_driver sn95031_codec_driver = {
+ .driver = {
+ .name = "sn95031",
+ .owner = THIS_MODULE,
+ },
+ .probe = sn95031_device_probe,
+ .remove = sn95031_device_remove,
+};
+
+static int __init sn95031_init(void)
+{
+ pr_debug("driver init called\n");
+ return platform_driver_register(&sn95031_codec_driver);
+}
+module_init(sn95031_init);
+
+static void __exit sn95031_exit(void)
+{
+ pr_debug("driver exit called\n");
+ platform_driver_unregister(&sn95031_codec_driver);
+}
+module_exit(sn95031_exit);
+
+MODULE_DESCRIPTION("ASoC TI SN95031 codec driver");
+MODULE_AUTHOR("Vinod Koul <vinod.koul@intel.com>");
+MODULE_AUTHOR("Harsha Priya <priya.harsha@intel.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:sn95031");
--- /dev/null
+/*
+ * sn95031.h - TI sn95031 Codec driver
+ *
+ * Copyright (C) 2010 Intel Corp
+ * Author: Vinod Koul <vinod.koul@intel.com>
+ * Author: Harsha Priya <priya.harsha@intel.com>
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ *
+ */
+#ifndef _SN95031_H
+#define _SN95031_H
+
+/*register map*/
+#define SN95031_VAUD 0xDB
+#define SN95031_VHSP 0xDC
+#define SN95031_VHSN 0xDD
+#define SN95031_VIHF 0xC9
+
+#define SN95031_AUDPLLCTRL 0x240
+#define SN95031_DMICBUF0123 0x241
+#define SN95031_DMICBUF45 0x242
+#define SN95031_DMICGPO 0x244
+#define SN95031_DMICMUX 0x245
+#define SN95031_DMICLK 0x246
+#define SN95031_MICBIAS 0x247
+#define SN95031_ADCCONFIG 0x248
+#define SN95031_MICAMP1 0x249
+#define SN95031_MICAMP2 0x24A
+#define SN95031_NOISEMUX 0x24B
+#define SN95031_AUDIOMUX12 0x24C
+#define SN95031_AUDIOMUX34 0x24D
+#define SN95031_AUDIOSINC 0x24E
+#define SN95031_AUDIOTXEN 0x24F
+#define SN95031_HSEPRXCTRL 0x250
+#define SN95031_IHFRXCTRL 0x251
+#define SN95031_HSMIXER 0x256
+#define SN95031_DACCONFIG 0x257
+#define SN95031_SOFTMUTE 0x258
+#define SN95031_HSLVOLCTRL 0x259
+#define SN95031_HSRVOLCTRL 0x25A
+#define SN95031_IHFLVOLCTRL 0x25B
+#define SN95031_IHFRVOLCTRL 0x25C
+#define SN95031_DRIVEREN 0x25D
+#define SN95031_LOCTL 0x25E
+#define SN95031_VIB1C1 0x25F
+#define SN95031_VIB1C2 0x260
+#define SN95031_VIB1C3 0x261
+#define SN95031_VIB1SPIPCM1 0x262
+#define SN95031_VIB1SPIPCM2 0x263
+#define SN95031_VIB1C5 0x264
+#define SN95031_VIB2C1 0x265
+#define SN95031_VIB2C2 0x266
+#define SN95031_VIB2C3 0x267
+#define SN95031_VIB2SPIPCM1 0x268
+#define SN95031_VIB2SPIPCM2 0x269
+#define SN95031_VIB2C5 0x26A
+#define SN95031_BTNCTRL1 0x26B
+#define SN95031_BTNCTRL2 0x26C
+#define SN95031_PCM1TXSLOT01 0x26D
+#define SN95031_PCM1TXSLOT23 0x26E
+#define SN95031_PCM1TXSLOT45 0x26F
+#define SN95031_PCM1RXSLOT0_3 0x270
+#define SN95031_PCM1RXSLOT45 0x271
+#define SN95031_PCM2TXSLOT01 0x272
+#define SN95031_PCM2TXSLOT23 0x273
+#define SN95031_PCM2TXSLOT45 0x274
+#define SN95031_PCM2RXSLOT01 0x275
+#define SN95031_PCM2RXSLOT23 0x276
+#define SN95031_PCM2RXSLOT45 0x277
+#define SN95031_PCM1C1 0x278
+#define SN95031_PCM1C2 0x279
+#define SN95031_PCM1C3 0x27A
+#define SN95031_PCM2C1 0x27B
+#define SN95031_PCM2C2 0x27C
+/*end codec register defn*/
+
+/*vendor defn these are not part of avp*/
+#define SN95031_SSR2 0x381
+#define SN95031_SSR3 0x382
+#define SN95031_SSR5 0x384
+#define SN95031_SSR6 0x385
+
+#endif
0x0000, /* R8 - ZERO_DETECT */
};
-static int wm8523_volatile_register(unsigned int reg)
+static int wm8523_volatile_register(struct snd_soc_codec *codec, unsigned int reg)
{
switch (reg) {
case WM8523_DEVICE_ID:
static int wm8523_probe(struct snd_soc_codec *codec)
{
struct wm8523_priv *wm8523 = snd_soc_codec_get_drvdata(codec);
- u16 *reg_cache = codec->reg_cache;
int ret, i;
codec->hw_write = (hw_write_t)i2c_master_send;
}
/* Change some default settings - latch VU and enable ZC */
- reg_cache[WM8523_DAC_GAINR] |= WM8523_DACR_VU;
- reg_cache[WM8523_DAC_CTRL3] |= WM8523_ZC;
+ snd_soc_update_bits(codec, WM8523_DAC_GAINR,
+ WM8523_DACR_VU, WM8523_DACR_VU);
+ snd_soc_update_bits(codec, WM8523_DAC_CTRL3, WM8523_ZC, WM8523_ZC);
wm8523_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
static int wm8741_probe(struct snd_soc_codec *codec)
{
struct wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec);
- u16 *reg_cache = codec->reg_cache;
int ret = 0;
ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8741->control_type);
}
/* Change some default settings - latch VU */
- reg_cache[WM8741_DACLLSB_ATTENUATION] |= WM8741_UPDATELL;
- reg_cache[WM8741_DACLMSB_ATTENUATION] |= WM8741_UPDATELM;
- reg_cache[WM8741_DACRLSB_ATTENUATION] |= WM8741_UPDATERL;
- reg_cache[WM8741_DACRLSB_ATTENUATION] |= WM8741_UPDATERM;
+ snd_soc_update_bits(codec, WM8741_DACLLSB_ATTENUATION,
+ WM8741_UPDATELL, WM8741_UPDATELL);
+ snd_soc_update_bits(codec, WM8741_DACLMSB_ATTENUATION,
+ WM8741_UPDATELM, WM8741_UPDATELM);
+ snd_soc_update_bits(codec, WM8741_DACRLSB_ATTENUATION,
+ WM8741_UPDATERL, WM8741_UPDATERL);
+ snd_soc_update_bits(codec, WM8741_DACRLSB_ATTENUATION,
+ WM8741_UPDATERM, WM8741_UPDATERM);
snd_soc_add_controls(codec, wm8741_snd_controls,
ARRAY_SIZE(wm8741_snd_controls));
return 0;
}
-static int wm8804_volatile(unsigned int reg)
+static int wm8804_volatile(struct snd_soc_codec *codec, unsigned int reg)
{
switch (reg) {
case WM8804_RST_DEVID1:
/* Remaining registers all zero */
};
-static int wm8900_volatile_register(unsigned int reg)
+static int wm8900_volatile_register(struct snd_soc_codec *codec, unsigned int reg)
{
switch (reg) {
case WM8900_REG_ID:
* wm8903.c -- WM8903 ALSA SoC Audio driver
*
* Copyright 2008 Wolfson Microelectronics
+ * Copyright 2011 NVIDIA, Inc.
*
* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
*
#include <linux/init.h>
#include <linux/completion.h>
#include <linux/delay.h>
+#include <linux/gpio.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
};
struct wm8903_priv {
+ struct snd_soc_codec *codec;
int sysclk;
int irq;
int mic_short;
int mic_last_report;
int mic_delay;
+
+#ifdef CONFIG_GPIOLIB
+ struct gpio_chip gpio_chip;
+#endif
};
-static int wm8903_volatile_register(unsigned int reg)
+static int wm8903_volatile_register(struct snd_soc_codec *codec, unsigned int reg)
{
switch (reg) {
case WM8903_SW_RESET_AND_ID:
return 0;
}
+#ifdef CONFIG_GPIOLIB
+static inline struct wm8903_priv *gpio_to_wm8903(struct gpio_chip *chip)
+{
+ return container_of(chip, struct wm8903_priv, gpio_chip);
+}
+
+static int wm8903_gpio_request(struct gpio_chip *chip, unsigned offset)
+{
+ if (offset >= WM8903_NUM_GPIO)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int wm8903_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
+{
+ struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
+ struct snd_soc_codec *codec = wm8903->codec;
+ unsigned int mask, val;
+
+ mask = WM8903_GP1_FN_MASK | WM8903_GP1_DIR_MASK;
+ val = (WM8903_GPn_FN_GPIO_INPUT << WM8903_GP1_FN_SHIFT) |
+ WM8903_GP1_DIR;
+
+ return snd_soc_update_bits(codec, WM8903_GPIO_CONTROL_1 + offset,
+ mask, val);
+}
+
+static int wm8903_gpio_get(struct gpio_chip *chip, unsigned offset)
+{
+ struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
+ struct snd_soc_codec *codec = wm8903->codec;
+ int reg;
+
+ reg = snd_soc_read(codec, WM8903_GPIO_CONTROL_1 + offset);
+
+ return (reg & WM8903_GP1_LVL_MASK) >> WM8903_GP1_LVL_SHIFT;
+}
+
+static int wm8903_gpio_direction_out(struct gpio_chip *chip,
+ unsigned offset, int value)
+{
+ struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
+ struct snd_soc_codec *codec = wm8903->codec;
+ unsigned int mask, val;
+
+ mask = WM8903_GP1_FN_MASK | WM8903_GP1_DIR_MASK | WM8903_GP1_LVL_MASK;
+ val = (WM8903_GPn_FN_GPIO_OUTPUT << WM8903_GP1_FN_SHIFT) |
+ (value << WM8903_GP2_LVL_SHIFT);
+
+ return snd_soc_update_bits(codec, WM8903_GPIO_CONTROL_1 + offset,
+ mask, val);
+}
+
+static void wm8903_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+{
+ struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
+ struct snd_soc_codec *codec = wm8903->codec;
+
+ snd_soc_update_bits(codec, WM8903_GPIO_CONTROL_1 + offset,
+ WM8903_GP1_LVL_MASK, value << WM8903_GP1_LVL_SHIFT);
+}
+
+static struct gpio_chip wm8903_template_chip = {
+ .label = "wm8903",
+ .owner = THIS_MODULE,
+ .request = wm8903_gpio_request,
+ .direction_input = wm8903_gpio_direction_in,
+ .get = wm8903_gpio_get,
+ .direction_output = wm8903_gpio_direction_out,
+ .set = wm8903_gpio_set,
+ .can_sleep = 1,
+};
+
+static void wm8903_init_gpio(struct snd_soc_codec *codec)
+{
+ struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
+ struct wm8903_platform_data *pdata = dev_get_platdata(codec->dev);
+ int ret;
+
+ wm8903->gpio_chip = wm8903_template_chip;
+ wm8903->gpio_chip.ngpio = WM8903_NUM_GPIO;
+ wm8903->gpio_chip.dev = codec->dev;
+
+ if (pdata && pdata->gpio_base)
+ wm8903->gpio_chip.base = pdata->gpio_base;
+ else
+ wm8903->gpio_chip.base = -1;
+
+ ret = gpiochip_add(&wm8903->gpio_chip);
+ if (ret != 0)
+ dev_err(codec->dev, "Failed to add GPIOs: %d\n", ret);
+}
+
+static void wm8903_free_gpio(struct snd_soc_codec *codec)
+{
+ struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
+ int ret;
+
+ ret = gpiochip_remove(&wm8903->gpio_chip);
+ if (ret != 0)
+ dev_err(codec->dev, "Failed to remove GPIOs: %d\n", ret);
+}
+#else
+static void wm8903_init_gpio(struct snd_soc_codec *codec)
+{
+}
+
+static void wm8903_free_gpio(struct snd_soc_codec *codec)
+{
+}
+#endif
+
static int wm8903_probe(struct snd_soc_codec *codec)
{
struct wm8903_platform_data *pdata = dev_get_platdata(codec->dev);
int trigger, irq_pol;
u16 val;
+ wm8903->codec = codec;
init_completion(&wm8903->wseq);
ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C);
/* Set up GPIOs and microphone detection */
if (pdata) {
for (i = 0; i < ARRAY_SIZE(pdata->gpio_cfg); i++) {
- if (!pdata->gpio_cfg[i])
+ if (pdata->gpio_cfg[i] == WM8903_GPIO_NO_CONFIG)
continue;
snd_soc_write(codec, WM8903_GPIO_CONTROL_1 + i,
ARRAY_SIZE(wm8903_snd_controls));
wm8903_add_widgets(codec);
+ wm8903_init_gpio(codec);
+
return ret;
}
/* power down chip */
static int wm8903_remove(struct snd_soc_codec *codec)
{
+ wm8903_free_gpio(codec);
wm8903_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
{ 0x003F, 0x003F, 0 }, /* R248 - FLL NCO Test 1 */
};
-static int wm8904_volatile_register(unsigned int reg)
+static int wm8904_volatile_register(struct snd_soc_codec *codec, unsigned int reg)
{
return wm8904_access[reg].vol;
}
}
/* Change some default settings - latch VU and enable ZC */
- reg_cache[WM8904_ADC_DIGITAL_VOLUME_LEFT] |= WM8904_ADC_VU;
- reg_cache[WM8904_ADC_DIGITAL_VOLUME_RIGHT] |= WM8904_ADC_VU;
- reg_cache[WM8904_DAC_DIGITAL_VOLUME_LEFT] |= WM8904_DAC_VU;
- reg_cache[WM8904_DAC_DIGITAL_VOLUME_RIGHT] |= WM8904_DAC_VU;
- reg_cache[WM8904_ANALOGUE_OUT1_LEFT] |= WM8904_HPOUT_VU |
- WM8904_HPOUTLZC;
- reg_cache[WM8904_ANALOGUE_OUT1_RIGHT] |= WM8904_HPOUT_VU |
- WM8904_HPOUTRZC;
- reg_cache[WM8904_ANALOGUE_OUT2_LEFT] |= WM8904_LINEOUT_VU |
- WM8904_LINEOUTLZC;
- reg_cache[WM8904_ANALOGUE_OUT2_RIGHT] |= WM8904_LINEOUT_VU |
- WM8904_LINEOUTRZC;
- reg_cache[WM8904_CLOCK_RATES_0] &= ~WM8904_SR_MODE;
+ snd_soc_update_bits(codec, WM8904_ADC_DIGITAL_VOLUME_LEFT,
+ WM8904_ADC_VU, WM8904_ADC_VU);
+ snd_soc_update_bits(codec, WM8904_ADC_DIGITAL_VOLUME_RIGHT,
+ WM8904_ADC_VU, WM8904_ADC_VU);
+ snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_VOLUME_LEFT,
+ WM8904_DAC_VU, WM8904_DAC_VU);
+ snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_VOLUME_RIGHT,
+ WM8904_DAC_VU, WM8904_DAC_VU);
+ snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT1_LEFT,
+ WM8904_HPOUT_VU | WM8904_HPOUTLZC,
+ WM8904_HPOUT_VU | WM8904_HPOUTLZC);
+ snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT1_RIGHT,
+ WM8904_HPOUT_VU | WM8904_HPOUTRZC,
+ WM8904_HPOUT_VU | WM8904_HPOUTRZC);
+ snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT2_LEFT,
+ WM8904_LINEOUT_VU | WM8904_LINEOUTLZC,
+ WM8904_LINEOUT_VU | WM8904_LINEOUTLZC);
+ snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT2_RIGHT,
+ WM8904_LINEOUT_VU | WM8904_LINEOUTRZC,
+ WM8904_LINEOUT_VU | WM8904_LINEOUTRZC);
+ snd_soc_update_bits(codec, WM8904_CLOCK_RATES_0,
+ WM8904_SR_MODE, 0);
/* Apply configuration from the platform data. */
if (wm8904->pdata) {
/* Set Class W by default - this will be managed by the Class
* G widget at runtime where bypass paths are available.
*/
- reg_cache[WM8904_CLASS_W_0] |= WM8904_CP_DYN_PWR;
+ snd_soc_update_bits(codec, WM8904_CLASS_W_0,
+ WM8904_CP_DYN_PWR, WM8904_CP_DYN_PWR);
/* Use normal bias source */
- reg_cache[WM8904_BIAS_CONTROL_0] &= ~WM8904_POBCTRL;
+ snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0,
+ WM8904_POBCTRL, 0);
wm8904_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
}
/* Change some default settings - latch VU and enable ZC */
- reg_cache[WM8955_LEFT_DAC_VOLUME] |= WM8955_LDVU;
- reg_cache[WM8955_RIGHT_DAC_VOLUME] |= WM8955_RDVU;
- reg_cache[WM8955_LOUT1_VOLUME] |= WM8955_LO1VU | WM8955_LO1ZC;
- reg_cache[WM8955_ROUT1_VOLUME] |= WM8955_RO1VU | WM8955_RO1ZC;
- reg_cache[WM8955_LOUT2_VOLUME] |= WM8955_LO2VU | WM8955_LO2ZC;
- reg_cache[WM8955_ROUT2_VOLUME] |= WM8955_RO2VU | WM8955_RO2ZC;
- reg_cache[WM8955_MONOOUT_VOLUME] |= WM8955_MOZC;
+ snd_soc_update_bits(codec, WM8955_LEFT_DAC_VOLUME,
+ WM8955_LDVU, WM8955_LDVU);
+ snd_soc_update_bits(codec, WM8955_RIGHT_DAC_VOLUME,
+ WM8955_RDVU, WM8955_RDVU);
+ snd_soc_update_bits(codec, WM8955_LOUT1_VOLUME,
+ WM8955_LO1VU | WM8955_LO1ZC,
+ WM8955_LO1VU | WM8955_LO1ZC);
+ snd_soc_update_bits(codec, WM8955_ROUT1_VOLUME,
+ WM8955_RO1VU | WM8955_RO1ZC,
+ WM8955_RO1VU | WM8955_RO1ZC);
+ snd_soc_update_bits(codec, WM8955_LOUT2_VOLUME,
+ WM8955_LO2VU | WM8955_LO2ZC,
+ WM8955_LO2VU | WM8955_LO2ZC);
+ snd_soc_update_bits(codec, WM8955_ROUT2_VOLUME,
+ WM8955_RO2VU | WM8955_RO2ZC,
+ WM8955_RO2VU | WM8955_RO2ZC);
+ snd_soc_update_bits(codec, WM8955_MONOOUT_VOLUME,
+ WM8955_MOZC, WM8955_MOZC);
/* Also enable adaptive bass boost by default */
- reg_cache[WM8955_BASS_CONTROL] |= WM8955_BB;
+ snd_soc_update_bits(codec, WM8955_BASS_CONTROL, WM8955_BB, WM8955_BB);
/* Set platform data values */
if (pdata) {
int sysclk;
};
-static int wm8961_volatile_register(unsigned int reg)
+static int wm8961_volatile_register(struct snd_soc_codec *codec, unsigned int reg)
{
switch (reg) {
case WM8961_SOFTWARE_RESET:
[21139] = { 0xFFFF, 0xFFFF, 0x0000 }, /* R21139 - VSS_XTS32_0 */
};
-static int wm8962_volatile_register(unsigned int reg)
+static int wm8962_volatile_register(struct snd_soc_codec *codec, unsigned int reg)
{
if (wm8962_reg_access[reg].vol)
return 1;
return 0;
}
-static int wm8962_readable_register(unsigned int reg)
+static int wm8962_readable_register(struct snd_soc_codec *codec, unsigned int reg)
{
if (wm8962_reg_access[reg].read)
return 1;
}
/* Latch volume update bits */
- reg_cache[WM8962_LEFT_INPUT_VOLUME] |= WM8962_IN_VU;
- reg_cache[WM8962_RIGHT_INPUT_VOLUME] |= WM8962_IN_VU;
- reg_cache[WM8962_LEFT_ADC_VOLUME] |= WM8962_ADC_VU;
- reg_cache[WM8962_RIGHT_ADC_VOLUME] |= WM8962_ADC_VU;
- reg_cache[WM8962_LEFT_DAC_VOLUME] |= WM8962_DAC_VU;
- reg_cache[WM8962_RIGHT_DAC_VOLUME] |= WM8962_DAC_VU;
- reg_cache[WM8962_SPKOUTL_VOLUME] |= WM8962_SPKOUT_VU;
- reg_cache[WM8962_SPKOUTR_VOLUME] |= WM8962_SPKOUT_VU;
- reg_cache[WM8962_HPOUTL_VOLUME] |= WM8962_HPOUT_VU;
- reg_cache[WM8962_HPOUTR_VOLUME] |= WM8962_HPOUT_VU;
+ snd_soc_update_bits(codec, WM8962_LEFT_INPUT_VOLUME,
+ WM8962_IN_VU, WM8962_IN_VU);
+ snd_soc_update_bits(codec, WM8962_RIGHT_INPUT_VOLUME,
+ WM8962_IN_VU, WM8962_IN_VU);
+ snd_soc_update_bits(codec, WM8962_LEFT_ADC_VOLUME,
+ WM8962_ADC_VU, WM8962_ADC_VU);
+ snd_soc_update_bits(codec, WM8962_RIGHT_ADC_VOLUME,
+ WM8962_ADC_VU, WM8962_ADC_VU);
+ snd_soc_update_bits(codec, WM8962_LEFT_DAC_VOLUME,
+ WM8962_DAC_VU, WM8962_DAC_VU);
+ snd_soc_update_bits(codec, WM8962_RIGHT_DAC_VOLUME,
+ WM8962_DAC_VU, WM8962_DAC_VU);
+ snd_soc_update_bits(codec, WM8962_SPKOUTL_VOLUME,
+ WM8962_SPKOUT_VU, WM8962_SPKOUT_VU);
+ snd_soc_update_bits(codec, WM8962_SPKOUTR_VOLUME,
+ WM8962_SPKOUT_VU, WM8962_SPKOUT_VU);
+ snd_soc_update_bits(codec, WM8962_HPOUTL_VOLUME,
+ WM8962_HPOUT_VU, WM8962_HPOUT_VU);
+ snd_soc_update_bits(codec, WM8962_HPOUTR_VOLUME,
+ WM8962_HPOUT_VU, WM8962_HPOUT_VU);
wm8962_add_widgets(codec);
* written.
*/
for (i = 0; i < ARRAY_SIZE(update_reg); i++)
- ((u16 *)codec->reg_cache)[update_reg[i]] |= 0x100;
+ snd_soc_update_bits(codec, update_reg[i], 0x100, 0x100);
/* Reset the codec */
ret = snd_soc_write(codec, WM8978_RESET, 0);
--- /dev/null
+/*
+ * wm8991.c -- WM8991 ALSA Soc Audio driver
+ *
+ * Copyright 2007-2010 Wolfson Microelectronics PLC.
+ * Author: Graeme Gregory
+ * linux@wolfsonmicro.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+#include <asm/div64.h>
+
+#include "wm8991.h"
+
+struct wm8991_priv {
+ enum snd_soc_control_type control_type;
+ unsigned int pcmclk;
+};
+
+static const u16 wm8991_reg_defs[] = {
+ 0x8991, /* R0 - Reset */
+ 0x0000, /* R1 - Power Management (1) */
+ 0x6000, /* R2 - Power Management (2) */
+ 0x0000, /* R3 - Power Management (3) */
+ 0x4050, /* R4 - Audio Interface (1) */
+ 0x4000, /* R5 - Audio Interface (2) */
+ 0x01C8, /* R6 - Clocking (1) */
+ 0x0000, /* R7 - Clocking (2) */
+ 0x0040, /* R8 - Audio Interface (3) */
+ 0x0040, /* R9 - Audio Interface (4) */
+ 0x0004, /* R10 - DAC CTRL */
+ 0x00C0, /* R11 - Left DAC Digital Volume */
+ 0x00C0, /* R12 - Right DAC Digital Volume */
+ 0x0000, /* R13 - Digital Side Tone */
+ 0x0100, /* R14 - ADC CTRL */
+ 0x00C0, /* R15 - Left ADC Digital Volume */
+ 0x00C0, /* R16 - Right ADC Digital Volume */
+ 0x0000, /* R17 */
+ 0x0000, /* R18 - GPIO CTRL 1 */
+ 0x1000, /* R19 - GPIO1 & GPIO2 */
+ 0x1010, /* R20 - GPIO3 & GPIO4 */
+ 0x1010, /* R21 - GPIO5 & GPIO6 */
+ 0x8000, /* R22 - GPIOCTRL 2 */
+ 0x0800, /* R23 - GPIO_POL */
+ 0x008B, /* R24 - Left Line Input 1&2 Volume */
+ 0x008B, /* R25 - Left Line Input 3&4 Volume */
+ 0x008B, /* R26 - Right Line Input 1&2 Volume */
+ 0x008B, /* R27 - Right Line Input 3&4 Volume */
+ 0x0000, /* R28 - Left Output Volume */
+ 0x0000, /* R29 - Right Output Volume */
+ 0x0066, /* R30 - Line Outputs Volume */
+ 0x0022, /* R31 - Out3/4 Volume */
+ 0x0079, /* R32 - Left OPGA Volume */
+ 0x0079, /* R33 - Right OPGA Volume */
+ 0x0003, /* R34 - Speaker Volume */
+ 0x0003, /* R35 - ClassD1 */
+ 0x0000, /* R36 */
+ 0x0100, /* R37 - ClassD3 */
+ 0x0000, /* R38 */
+ 0x0000, /* R39 - Input Mixer1 */
+ 0x0000, /* R40 - Input Mixer2 */
+ 0x0000, /* R41 - Input Mixer3 */
+ 0x0000, /* R42 - Input Mixer4 */
+ 0x0000, /* R43 - Input Mixer5 */
+ 0x0000, /* R44 - Input Mixer6 */
+ 0x0000, /* R45 - Output Mixer1 */
+ 0x0000, /* R46 - Output Mixer2 */
+ 0x0000, /* R47 - Output Mixer3 */
+ 0x0000, /* R48 - Output Mixer4 */
+ 0x0000, /* R49 - Output Mixer5 */
+ 0x0000, /* R50 - Output Mixer6 */
+ 0x0180, /* R51 - Out3/4 Mixer */
+ 0x0000, /* R52 - Line Mixer1 */
+ 0x0000, /* R53 - Line Mixer2 */
+ 0x0000, /* R54 - Speaker Mixer */
+ 0x0000, /* R55 - Additional Control */
+ 0x0000, /* R56 - AntiPOP1 */
+ 0x0000, /* R57 - AntiPOP2 */
+ 0x0000, /* R58 - MICBIAS */
+ 0x0000, /* R59 */
+ 0x0008, /* R60 - PLL1 */
+ 0x0031, /* R61 - PLL2 */
+ 0x0026, /* R62 - PLL3 */
+};
+
+#define wm8991_reset(c) snd_soc_write(c, WM8991_RESET, 0)
+
+static const unsigned int rec_mix_tlv[] = {
+ TLV_DB_RANGE_HEAD(1),
+ 0, 7, TLV_DB_LINEAR_ITEM(-1500, 600),
+};
+
+static const unsigned int in_pga_tlv[] = {
+ TLV_DB_RANGE_HEAD(1),
+ 0, 0x1F, TLV_DB_LINEAR_ITEM(-1650, 3000),
+};
+
+static const unsigned int out_mix_tlv[] = {
+ TLV_DB_RANGE_HEAD(1),
+ 0, 7, TLV_DB_LINEAR_ITEM(0, -2100),
+};
+
+static const unsigned int out_pga_tlv[] = {
+ TLV_DB_RANGE_HEAD(1),
+ 0, 127, TLV_DB_LINEAR_ITEM(-7300, 600),
+};
+
+static const unsigned int out_omix_tlv[] = {
+ TLV_DB_RANGE_HEAD(1),
+ 0, 7, TLV_DB_LINEAR_ITEM(-600, 0),
+};
+
+static const unsigned int out_dac_tlv[] = {
+ TLV_DB_RANGE_HEAD(1),
+ 0, 255, TLV_DB_LINEAR_ITEM(-7163, 0),
+};
+
+static const unsigned int in_adc_tlv[] = {
+ TLV_DB_RANGE_HEAD(1),
+ 0, 255, TLV_DB_LINEAR_ITEM(-7163, 1763),
+};
+
+static const unsigned int out_sidetone_tlv[] = {
+ TLV_DB_RANGE_HEAD(1),
+ 0, 31, TLV_DB_LINEAR_ITEM(-3600, 0),
+};
+
+static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ int reg = kcontrol->private_value & 0xff;
+ int ret;
+ u16 val;
+
+ ret = snd_soc_put_volsw(kcontrol, ucontrol);
+ if (ret < 0)
+ return ret;
+
+ /* now hit the volume update bits (always bit 8) */
+ val = snd_soc_read(codec, reg);
+ return snd_soc_write(codec, reg, val | 0x0100);
+}
+
+static const char *wm8991_digital_sidetone[] =
+{"None", "Left ADC", "Right ADC", "Reserved"};
+
+static const struct soc_enum wm8991_left_digital_sidetone_enum =
+ SOC_ENUM_SINGLE(WM8991_DIGITAL_SIDE_TONE,
+ WM8991_ADC_TO_DACL_SHIFT,
+ WM8991_ADC_TO_DACL_MASK,
+ wm8991_digital_sidetone);
+
+static const struct soc_enum wm8991_right_digital_sidetone_enum =
+ SOC_ENUM_SINGLE(WM8991_DIGITAL_SIDE_TONE,
+ WM8991_ADC_TO_DACR_SHIFT,
+ WM8991_ADC_TO_DACR_MASK,
+ wm8991_digital_sidetone);
+
+static const char *wm8991_adcmode[] =
+{"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
+
+static const struct soc_enum wm8991_right_adcmode_enum =
+ SOC_ENUM_SINGLE(WM8991_ADC_CTRL,
+ WM8991_ADC_HPF_CUT_SHIFT,
+ WM8991_ADC_HPF_CUT_MASK,
+ wm8991_adcmode);
+
+static const struct snd_kcontrol_new wm8991_snd_controls[] = {
+ /* INMIXL */
+ SOC_SINGLE("LIN12 PGA Boost", WM8991_INPUT_MIXER3, WM8991_L12MNBST_BIT, 1, 0),
+ SOC_SINGLE("LIN34 PGA Boost", WM8991_INPUT_MIXER3, WM8991_L34MNBST_BIT, 1, 0),
+ /* INMIXR */
+ SOC_SINGLE("RIN12 PGA Boost", WM8991_INPUT_MIXER3, WM8991_R12MNBST_BIT, 1, 0),
+ SOC_SINGLE("RIN34 PGA Boost", WM8991_INPUT_MIXER3, WM8991_R34MNBST_BIT, 1, 0),
+
+ /* LOMIX */
+ SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8991_OUTPUT_MIXER3,
+ WM8991_LLI3LOVOL_SHIFT, WM8991_LLI3LOVOL_MASK, 1, out_mix_tlv),
+ SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER3,
+ WM8991_LR12LOVOL_SHIFT, WM8991_LR12LOVOL_MASK, 1, out_mix_tlv),
+ SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER3,
+ WM8991_LL12LOVOL_SHIFT, WM8991_LL12LOVOL_MASK, 1, out_mix_tlv),
+ SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8991_OUTPUT_MIXER5,
+ WM8991_LRI3LOVOL_SHIFT, WM8991_LRI3LOVOL_MASK, 1, out_mix_tlv),
+ SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8991_OUTPUT_MIXER5,
+ WM8991_LRBLOVOL_SHIFT, WM8991_LRBLOVOL_MASK, 1, out_mix_tlv),
+ SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8991_OUTPUT_MIXER5,
+ WM8991_LRBLOVOL_SHIFT, WM8991_LRBLOVOL_MASK, 1, out_mix_tlv),
+
+ /* ROMIX */
+ SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8991_OUTPUT_MIXER4,
+ WM8991_RRI3ROVOL_SHIFT, WM8991_RRI3ROVOL_MASK, 1, out_mix_tlv),
+ SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER4,
+ WM8991_RL12ROVOL_SHIFT, WM8991_RL12ROVOL_MASK, 1, out_mix_tlv),
+ SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER4,
+ WM8991_RR12ROVOL_SHIFT, WM8991_RR12ROVOL_MASK, 1, out_mix_tlv),
+ SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8991_OUTPUT_MIXER6,
+ WM8991_RLI3ROVOL_SHIFT, WM8991_RLI3ROVOL_MASK, 1, out_mix_tlv),
+ SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8991_OUTPUT_MIXER6,
+ WM8991_RLBROVOL_SHIFT, WM8991_RLBROVOL_MASK, 1, out_mix_tlv),
+ SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8991_OUTPUT_MIXER6,
+ WM8991_RRBROVOL_SHIFT, WM8991_RRBROVOL_MASK, 1, out_mix_tlv),
+
+ /* LOUT */
+ SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8991_LEFT_OUTPUT_VOLUME,
+ WM8991_LOUTVOL_SHIFT, WM8991_LOUTVOL_MASK, 0, out_pga_tlv),
+ SOC_SINGLE("LOUT ZC", WM8991_LEFT_OUTPUT_VOLUME, WM8991_LOZC_BIT, 1, 0),
+
+ /* ROUT */
+ SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8991_RIGHT_OUTPUT_VOLUME,
+ WM8991_ROUTVOL_SHIFT, WM8991_ROUTVOL_MASK, 0, out_pga_tlv),
+ SOC_SINGLE("ROUT ZC", WM8991_RIGHT_OUTPUT_VOLUME, WM8991_ROZC_BIT, 1, 0),
+
+ /* LOPGA */
+ SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8991_LEFT_OPGA_VOLUME,
+ WM8991_LOPGAVOL_SHIFT, WM8991_LOPGAVOL_MASK, 0, out_pga_tlv),
+ SOC_SINGLE("LOPGA ZC Switch", WM8991_LEFT_OPGA_VOLUME,
+ WM8991_LOPGAZC_BIT, 1, 0),
+
+ /* ROPGA */
+ SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8991_RIGHT_OPGA_VOLUME,
+ WM8991_ROPGAVOL_SHIFT, WM8991_ROPGAVOL_MASK, 0, out_pga_tlv),
+ SOC_SINGLE("ROPGA ZC Switch", WM8991_RIGHT_OPGA_VOLUME,
+ WM8991_ROPGAZC_BIT, 1, 0),
+
+ SOC_SINGLE("LON Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
+ WM8991_LONMUTE_BIT, 1, 0),
+ SOC_SINGLE("LOP Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
+ WM8991_LOPMUTE_BIT, 1, 0),
+ SOC_SINGLE("LOP Attenuation Switch", WM8991_LINE_OUTPUTS_VOLUME,
+ WM8991_LOATTN_BIT, 1, 0),
+ SOC_SINGLE("RON Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
+ WM8991_RONMUTE_BIT, 1, 0),
+ SOC_SINGLE("ROP Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
+ WM8991_ROPMUTE_BIT, 1, 0),
+ SOC_SINGLE("ROP Attenuation Switch", WM8991_LINE_OUTPUTS_VOLUME,
+ WM8991_ROATTN_BIT, 1, 0),
+
+ SOC_SINGLE("OUT3 Mute Switch", WM8991_OUT3_4_VOLUME,
+ WM8991_OUT3MUTE_BIT, 1, 0),
+ SOC_SINGLE("OUT3 Attenuation Switch", WM8991_OUT3_4_VOLUME,
+ WM8991_OUT3ATTN_BIT, 1, 0),
+
+ SOC_SINGLE("OUT4 Mute Switch", WM8991_OUT3_4_VOLUME,
+ WM8991_OUT4MUTE_BIT, 1, 0),
+ SOC_SINGLE("OUT4 Attenuation Switch", WM8991_OUT3_4_VOLUME,
+ WM8991_OUT4ATTN_BIT, 1, 0),
+
+ SOC_SINGLE("Speaker Mode Switch", WM8991_CLASSD1,
+ WM8991_CDMODE_BIT, 1, 0),
+
+ SOC_SINGLE("Speaker Output Attenuation Volume", WM8991_SPEAKER_VOLUME,
+ WM8991_SPKVOL_SHIFT, WM8991_SPKVOL_MASK, 0),
+ SOC_SINGLE("Speaker DC Boost Volume", WM8991_CLASSD3,
+ WM8991_DCGAIN_SHIFT, WM8991_DCGAIN_MASK, 0),
+ SOC_SINGLE("Speaker AC Boost Volume", WM8991_CLASSD3,
+ WM8991_ACGAIN_SHIFT, WM8991_ACGAIN_MASK, 0),
+
+ SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
+ WM8991_LEFT_DAC_DIGITAL_VOLUME,
+ WM8991_DACL_VOL_SHIFT,
+ WM8991_DACL_VOL_MASK,
+ 0,
+ out_dac_tlv),
+
+ SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
+ WM8991_RIGHT_DAC_DIGITAL_VOLUME,
+ WM8991_DACR_VOL_SHIFT,
+ WM8991_DACR_VOL_MASK,
+ 0,
+ out_dac_tlv),
+
+ SOC_ENUM("Left Digital Sidetone", wm8991_left_digital_sidetone_enum),
+ SOC_ENUM("Right Digital Sidetone", wm8991_right_digital_sidetone_enum),
+
+ SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8991_DIGITAL_SIDE_TONE,
+ WM8991_ADCL_DAC_SVOL_SHIFT, WM8991_ADCL_DAC_SVOL_MASK, 0,
+ out_sidetone_tlv),
+ SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8991_DIGITAL_SIDE_TONE,
+ WM8991_ADCR_DAC_SVOL_SHIFT, WM8991_ADCR_DAC_SVOL_MASK, 0,
+ out_sidetone_tlv),
+
+ SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8991_ADC_CTRL,
+ WM8991_ADC_HPF_ENA_BIT, 1, 0),
+
+ SOC_ENUM("ADC HPF Mode", wm8991_right_adcmode_enum),
+
+ SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
+ WM8991_LEFT_ADC_DIGITAL_VOLUME,
+ WM8991_ADCL_VOL_SHIFT,
+ WM8991_ADCL_VOL_MASK,
+ 0,
+ in_adc_tlv),
+
+ SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
+ WM8991_RIGHT_ADC_DIGITAL_VOLUME,
+ WM8991_ADCR_VOL_SHIFT,
+ WM8991_ADCR_VOL_MASK,
+ 0,
+ in_adc_tlv),
+
+ SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
+ WM8991_LEFT_LINE_INPUT_1_2_VOLUME,
+ WM8991_LIN12VOL_SHIFT,
+ WM8991_LIN12VOL_MASK,
+ 0,
+ in_pga_tlv),
+
+ SOC_SINGLE("LIN12 ZC Switch", WM8991_LEFT_LINE_INPUT_1_2_VOLUME,
+ WM8991_LI12ZC_BIT, 1, 0),
+
+ SOC_SINGLE("LIN12 Mute Switch", WM8991_LEFT_LINE_INPUT_1_2_VOLUME,
+ WM8991_LI12MUTE_BIT, 1, 0),
+
+ SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
+ WM8991_LEFT_LINE_INPUT_3_4_VOLUME,
+ WM8991_LIN34VOL_SHIFT,
+ WM8991_LIN34VOL_MASK,
+ 0,
+ in_pga_tlv),
+
+ SOC_SINGLE("LIN34 ZC Switch", WM8991_LEFT_LINE_INPUT_3_4_VOLUME,
+ WM8991_LI34ZC_BIT, 1, 0),
+
+ SOC_SINGLE("LIN34 Mute Switch", WM8991_LEFT_LINE_INPUT_3_4_VOLUME,
+ WM8991_LI34MUTE_BIT, 1, 0),
+
+ SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
+ WM8991_RIGHT_LINE_INPUT_1_2_VOLUME,
+ WM8991_RIN12VOL_SHIFT,
+ WM8991_RIN12VOL_MASK,
+ 0,
+ in_pga_tlv),
+
+ SOC_SINGLE("RIN12 ZC Switch", WM8991_RIGHT_LINE_INPUT_1_2_VOLUME,
+ WM8991_RI12ZC_BIT, 1, 0),
+
+ SOC_SINGLE("RIN12 Mute Switch", WM8991_RIGHT_LINE_INPUT_1_2_VOLUME,
+ WM8991_RI12MUTE_BIT, 1, 0),
+
+ SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
+ WM8991_RIGHT_LINE_INPUT_3_4_VOLUME,
+ WM8991_RIN34VOL_SHIFT,
+ WM8991_RIN34VOL_MASK,
+ 0,
+ in_pga_tlv),
+
+ SOC_SINGLE("RIN34 ZC Switch", WM8991_RIGHT_LINE_INPUT_3_4_VOLUME,
+ WM8991_RI34ZC_BIT, 1, 0),
+
+ SOC_SINGLE("RIN34 Mute Switch", WM8991_RIGHT_LINE_INPUT_3_4_VOLUME,
+ WM8991_RI34MUTE_BIT, 1, 0),
+};
+
+/*
+ * _DAPM_ Controls
+ */
+static int inmixer_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ u16 reg, fakepower;
+
+ reg = snd_soc_read(w->codec, WM8991_POWER_MANAGEMENT_2);
+ fakepower = snd_soc_read(w->codec, WM8991_INTDRIVBITS);
+
+ if (fakepower & ((1 << WM8991_INMIXL_PWR_BIT) |
+ (1 << WM8991_AINLMUX_PWR_BIT)))
+ reg |= WM8991_AINL_ENA;
+ else
+ reg &= ~WM8991_AINL_ENA;
+
+ if (fakepower & ((1 << WM8991_INMIXR_PWR_BIT) |
+ (1 << WM8991_AINRMUX_PWR_BIT)))
+ reg |= WM8991_AINR_ENA;
+ else
+ reg &= ~WM8991_AINL_ENA;
+
+ snd_soc_write(w->codec, WM8991_POWER_MANAGEMENT_2, reg);
+ return 0;
+}
+
+static int outmixer_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ u32 reg_shift = kcontrol->private_value & 0xfff;
+ int ret = 0;
+ u16 reg;
+
+ switch (reg_shift) {
+ case WM8991_SPEAKER_MIXER | (WM8991_LDSPK_BIT << 8):
+ reg = snd_soc_read(w->codec, WM8991_OUTPUT_MIXER1);
+ if (reg & WM8991_LDLO) {
+ printk(KERN_WARNING
+ "Cannot set as Output Mixer 1 LDLO Set\n");
+ ret = -1;
+ }
+ break;
+
+ case WM8991_SPEAKER_MIXER | (WM8991_RDSPK_BIT << 8):
+ reg = snd_soc_read(w->codec, WM8991_OUTPUT_MIXER2);
+ if (reg & WM8991_RDRO) {
+ printk(KERN_WARNING
+ "Cannot set as Output Mixer 2 RDRO Set\n");
+ ret = -1;
+ }
+ break;
+
+ case WM8991_OUTPUT_MIXER1 | (WM8991_LDLO_BIT << 8):
+ reg = snd_soc_read(w->codec, WM8991_SPEAKER_MIXER);
+ if (reg & WM8991_LDSPK) {
+ printk(KERN_WARNING
+ "Cannot set as Speaker Mixer LDSPK Set\n");
+ ret = -1;
+ }
+ break;
+
+ case WM8991_OUTPUT_MIXER2 | (WM8991_RDRO_BIT << 8):
+ reg = snd_soc_read(w->codec, WM8991_SPEAKER_MIXER);
+ if (reg & WM8991_RDSPK) {
+ printk(KERN_WARNING
+ "Cannot set as Speaker Mixer RDSPK Set\n");
+ ret = -1;
+ }
+ break;
+ }
+
+ return ret;
+}
+
+/* INMIX dB values */
+static const unsigned int in_mix_tlv[] = {
+ TLV_DB_RANGE_HEAD(1),
+ 0, 7, TLV_DB_LINEAR_ITEM(-1200, 600),
+};
+
+/* Left In PGA Connections */
+static const struct snd_kcontrol_new wm8991_dapm_lin12_pga_controls[] = {
+ SOC_DAPM_SINGLE("LIN1 Switch", WM8991_INPUT_MIXER2, WM8991_LMN1_BIT, 1, 0),
+ SOC_DAPM_SINGLE("LIN2 Switch", WM8991_INPUT_MIXER2, WM8991_LMP2_BIT, 1, 0),
+};
+
+static const struct snd_kcontrol_new wm8991_dapm_lin34_pga_controls[] = {
+ SOC_DAPM_SINGLE("LIN3 Switch", WM8991_INPUT_MIXER2, WM8991_LMN3_BIT, 1, 0),
+ SOC_DAPM_SINGLE("LIN4 Switch", WM8991_INPUT_MIXER2, WM8991_LMP4_BIT, 1, 0),
+};
+
+/* Right In PGA Connections */
+static const struct snd_kcontrol_new wm8991_dapm_rin12_pga_controls[] = {
+ SOC_DAPM_SINGLE("RIN1 Switch", WM8991_INPUT_MIXER2, WM8991_RMN1_BIT, 1, 0),
+ SOC_DAPM_SINGLE("RIN2 Switch", WM8991_INPUT_MIXER2, WM8991_RMP2_BIT, 1, 0),
+};
+
+static const struct snd_kcontrol_new wm8991_dapm_rin34_pga_controls[] = {
+ SOC_DAPM_SINGLE("RIN3 Switch", WM8991_INPUT_MIXER2, WM8991_RMN3_BIT, 1, 0),
+ SOC_DAPM_SINGLE("RIN4 Switch", WM8991_INPUT_MIXER2, WM8991_RMP4_BIT, 1, 0),
+};
+
+/* INMIXL */
+static const struct snd_kcontrol_new wm8991_dapm_inmixl_controls[] = {
+ SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8991_INPUT_MIXER3,
+ WM8991_LDBVOL_SHIFT, WM8991_LDBVOL_MASK, 0, in_mix_tlv),
+ SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8991_INPUT_MIXER5, WM8991_LI2BVOL_SHIFT,
+ 7, 0, in_mix_tlv),
+ SOC_DAPM_SINGLE("LINPGA12 Switch", WM8991_INPUT_MIXER3, WM8991_L12MNB_BIT,
+ 1, 0),
+ SOC_DAPM_SINGLE("LINPGA34 Switch", WM8991_INPUT_MIXER3, WM8991_L34MNB_BIT,
+ 1, 0),
+};
+
+/* INMIXR */
+static const struct snd_kcontrol_new wm8991_dapm_inmixr_controls[] = {
+ SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8991_INPUT_MIXER4,
+ WM8991_RDBVOL_SHIFT, WM8991_RDBVOL_MASK, 0, in_mix_tlv),
+ SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8991_INPUT_MIXER6, WM8991_RI2BVOL_SHIFT,
+ 7, 0, in_mix_tlv),
+ SOC_DAPM_SINGLE("RINPGA12 Switch", WM8991_INPUT_MIXER3, WM8991_L12MNB_BIT,
+ 1, 0),
+ SOC_DAPM_SINGLE("RINPGA34 Switch", WM8991_INPUT_MIXER3, WM8991_L34MNB_BIT,
+ 1, 0),
+};
+
+/* AINLMUX */
+static const char *wm8991_ainlmux[] =
+{"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
+
+static const struct soc_enum wm8991_ainlmux_enum =
+ SOC_ENUM_SINGLE(WM8991_INPUT_MIXER1, WM8991_AINLMODE_SHIFT,
+ ARRAY_SIZE(wm8991_ainlmux), wm8991_ainlmux);
+
+static const struct snd_kcontrol_new wm8991_dapm_ainlmux_controls =
+ SOC_DAPM_ENUM("Route", wm8991_ainlmux_enum);
+
+/* DIFFINL */
+
+/* AINRMUX */
+static const char *wm8991_ainrmux[] =
+{"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
+
+static const struct soc_enum wm8991_ainrmux_enum =
+ SOC_ENUM_SINGLE(WM8991_INPUT_MIXER1, WM8991_AINRMODE_SHIFT,
+ ARRAY_SIZE(wm8991_ainrmux), wm8991_ainrmux);
+
+static const struct snd_kcontrol_new wm8991_dapm_ainrmux_controls =
+ SOC_DAPM_ENUM("Route", wm8991_ainrmux_enum);
+
+/* RXVOICE */
+static const struct snd_kcontrol_new wm8991_dapm_rxvoice_controls[] = {
+ SOC_DAPM_SINGLE_TLV("LIN4RXN", WM8991_INPUT_MIXER5, WM8991_LR4BVOL_SHIFT,
+ WM8991_LR4BVOL_MASK, 0, in_mix_tlv),
+ SOC_DAPM_SINGLE_TLV("RIN4RXP", WM8991_INPUT_MIXER6, WM8991_RL4BVOL_SHIFT,
+ WM8991_RL4BVOL_MASK, 0, in_mix_tlv),
+};
+
+/* LOMIX */
+static const struct snd_kcontrol_new wm8991_dapm_lomix_controls[] = {
+ SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8991_OUTPUT_MIXER1,
+ WM8991_LRBLO_BIT, 1, 0),
+ SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8991_OUTPUT_MIXER1,
+ WM8991_LLBLO_BIT, 1, 0),
+ SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8991_OUTPUT_MIXER1,
+ WM8991_LRI3LO_BIT, 1, 0),
+ SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8991_OUTPUT_MIXER1,
+ WM8991_LLI3LO_BIT, 1, 0),
+ SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER1,
+ WM8991_LR12LO_BIT, 1, 0),
+ SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER1,
+ WM8991_LL12LO_BIT, 1, 0),
+ SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8991_OUTPUT_MIXER1,
+ WM8991_LDLO_BIT, 1, 0),
+};
+
+/* ROMIX */
+static const struct snd_kcontrol_new wm8991_dapm_romix_controls[] = {
+ SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8991_OUTPUT_MIXER2,
+ WM8991_RLBRO_BIT, 1, 0),
+ SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8991_OUTPUT_MIXER2,
+ WM8991_RRBRO_BIT, 1, 0),
+ SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8991_OUTPUT_MIXER2,
+ WM8991_RLI3RO_BIT, 1, 0),
+ SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8991_OUTPUT_MIXER2,
+ WM8991_RRI3RO_BIT, 1, 0),
+ SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER2,
+ WM8991_RL12RO_BIT, 1, 0),
+ SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER2,
+ WM8991_RR12RO_BIT, 1, 0),
+ SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8991_OUTPUT_MIXER2,
+ WM8991_RDRO_BIT, 1, 0),
+};
+
+/* LONMIX */
+static const struct snd_kcontrol_new wm8991_dapm_lonmix_controls[] = {
+ SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8991_LINE_MIXER1,
+ WM8991_LLOPGALON_BIT, 1, 0),
+ SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8991_LINE_MIXER1,
+ WM8991_LROPGALON_BIT, 1, 0),
+ SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8991_LINE_MIXER1,
+ WM8991_LOPLON_BIT, 1, 0),
+};
+
+/* LOPMIX */
+static const struct snd_kcontrol_new wm8991_dapm_lopmix_controls[] = {
+ SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8991_LINE_MIXER1,
+ WM8991_LR12LOP_BIT, 1, 0),
+ SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8991_LINE_MIXER1,
+ WM8991_LL12LOP_BIT, 1, 0),
+ SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8991_LINE_MIXER1,
+ WM8991_LLOPGALOP_BIT, 1, 0),
+};
+
+/* RONMIX */
+static const struct snd_kcontrol_new wm8991_dapm_ronmix_controls[] = {
+ SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8991_LINE_MIXER2,
+ WM8991_RROPGARON_BIT, 1, 0),
+ SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8991_LINE_MIXER2,
+ WM8991_RLOPGARON_BIT, 1, 0),
+ SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8991_LINE_MIXER2,
+ WM8991_ROPRON_BIT, 1, 0),
+};
+
+/* ROPMIX */
+static const struct snd_kcontrol_new wm8991_dapm_ropmix_controls[] = {
+ SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8991_LINE_MIXER2,
+ WM8991_RL12ROP_BIT, 1, 0),
+ SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8991_LINE_MIXER2,
+ WM8991_RR12ROP_BIT, 1, 0),
+ SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8991_LINE_MIXER2,
+ WM8991_RROPGAROP_BIT, 1, 0),
+};
+
+/* OUT3MIX */
+static const struct snd_kcontrol_new wm8991_dapm_out3mix_controls[] = {
+ SOC_DAPM_SINGLE("OUT3MIX LIN4RXN Bypass Switch", WM8991_OUT3_4_MIXER,
+ WM8991_LI4O3_BIT, 1, 0),
+ SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8991_OUT3_4_MIXER,
+ WM8991_LPGAO3_BIT, 1, 0),
+};
+
+/* OUT4MIX */
+static const struct snd_kcontrol_new wm8991_dapm_out4mix_controls[] = {
+ SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8991_OUT3_4_MIXER,
+ WM8991_RPGAO4_BIT, 1, 0),
+ SOC_DAPM_SINGLE("OUT4MIX RIN4RXP Bypass Switch", WM8991_OUT3_4_MIXER,
+ WM8991_RI4O4_BIT, 1, 0),
+};
+
+/* SPKMIX */
+static const struct snd_kcontrol_new wm8991_dapm_spkmix_controls[] = {
+ SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8991_SPEAKER_MIXER,
+ WM8991_LI2SPK_BIT, 1, 0),
+ SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8991_SPEAKER_MIXER,
+ WM8991_LB2SPK_BIT, 1, 0),
+ SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8991_SPEAKER_MIXER,
+ WM8991_LOPGASPK_BIT, 1, 0),
+ SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8991_SPEAKER_MIXER,
+ WM8991_LDSPK_BIT, 1, 0),
+ SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8991_SPEAKER_MIXER,
+ WM8991_RDSPK_BIT, 1, 0),
+ SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8991_SPEAKER_MIXER,
+ WM8991_ROPGASPK_BIT, 1, 0),
+ SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8991_SPEAKER_MIXER,
+ WM8991_RL12ROP_BIT, 1, 0),
+ SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8991_SPEAKER_MIXER,
+ WM8991_RI2SPK_BIT, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget wm8991_dapm_widgets[] = {
+ /* Input Side */
+ /* Input Lines */
+ SND_SOC_DAPM_INPUT("LIN1"),
+ SND_SOC_DAPM_INPUT("LIN2"),
+ SND_SOC_DAPM_INPUT("LIN3"),
+ SND_SOC_DAPM_INPUT("LIN4RXN"),
+ SND_SOC_DAPM_INPUT("RIN3"),
+ SND_SOC_DAPM_INPUT("RIN4RXP"),
+ SND_SOC_DAPM_INPUT("RIN1"),
+ SND_SOC_DAPM_INPUT("RIN2"),
+ SND_SOC_DAPM_INPUT("Internal ADC Source"),
+
+ /* DACs */
+ SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8991_POWER_MANAGEMENT_2,
+ WM8991_ADCL_ENA_BIT, 0),
+ SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8991_POWER_MANAGEMENT_2,
+ WM8991_ADCR_ENA_BIT, 0),
+
+ /* Input PGAs */
+ SND_SOC_DAPM_MIXER("LIN12 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_LIN12_ENA_BIT,
+ 0, &wm8991_dapm_lin12_pga_controls[0],
+ ARRAY_SIZE(wm8991_dapm_lin12_pga_controls)),
+ SND_SOC_DAPM_MIXER("LIN34 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_LIN34_ENA_BIT,
+ 0, &wm8991_dapm_lin34_pga_controls[0],
+ ARRAY_SIZE(wm8991_dapm_lin34_pga_controls)),
+ SND_SOC_DAPM_MIXER("RIN12 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_RIN12_ENA_BIT,
+ 0, &wm8991_dapm_rin12_pga_controls[0],
+ ARRAY_SIZE(wm8991_dapm_rin12_pga_controls)),
+ SND_SOC_DAPM_MIXER("RIN34 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_RIN34_ENA_BIT,
+ 0, &wm8991_dapm_rin34_pga_controls[0],
+ ARRAY_SIZE(wm8991_dapm_rin34_pga_controls)),
+
+ /* INMIXL */
+ SND_SOC_DAPM_MIXER_E("INMIXL", WM8991_INTDRIVBITS, WM8991_INMIXL_PWR_BIT, 0,
+ &wm8991_dapm_inmixl_controls[0],
+ ARRAY_SIZE(wm8991_dapm_inmixl_controls),
+ inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
+ /* AINLMUX */
+ SND_SOC_DAPM_MUX_E("AINLMUX", WM8991_INTDRIVBITS, WM8991_AINLMUX_PWR_BIT, 0,
+ &wm8991_dapm_ainlmux_controls, inmixer_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
+ /* INMIXR */
+ SND_SOC_DAPM_MIXER_E("INMIXR", WM8991_INTDRIVBITS, WM8991_INMIXR_PWR_BIT, 0,
+ &wm8991_dapm_inmixr_controls[0],
+ ARRAY_SIZE(wm8991_dapm_inmixr_controls),
+ inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
+ /* AINRMUX */
+ SND_SOC_DAPM_MUX_E("AINRMUX", WM8991_INTDRIVBITS, WM8991_AINRMUX_PWR_BIT, 0,
+ &wm8991_dapm_ainrmux_controls, inmixer_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
+ /* Output Side */
+ /* DACs */
+ SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8991_POWER_MANAGEMENT_3,
+ WM8991_DACL_ENA_BIT, 0),
+ SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8991_POWER_MANAGEMENT_3,
+ WM8991_DACR_ENA_BIT, 0),
+
+ /* LOMIX */
+ SND_SOC_DAPM_MIXER_E("LOMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LOMIX_ENA_BIT,
+ 0, &wm8991_dapm_lomix_controls[0],
+ ARRAY_SIZE(wm8991_dapm_lomix_controls),
+ outmixer_event, SND_SOC_DAPM_PRE_REG),
+
+ /* LONMIX */
+ SND_SOC_DAPM_MIXER("LONMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LON_ENA_BIT, 0,
+ &wm8991_dapm_lonmix_controls[0],
+ ARRAY_SIZE(wm8991_dapm_lonmix_controls)),
+
+ /* LOPMIX */
+ SND_SOC_DAPM_MIXER("LOPMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LOP_ENA_BIT, 0,
+ &wm8991_dapm_lopmix_controls[0],
+ ARRAY_SIZE(wm8991_dapm_lopmix_controls)),
+
+ /* OUT3MIX */
+ SND_SOC_DAPM_MIXER("OUT3MIX", WM8991_POWER_MANAGEMENT_1, WM8991_OUT3_ENA_BIT, 0,
+ &wm8991_dapm_out3mix_controls[0],
+ ARRAY_SIZE(wm8991_dapm_out3mix_controls)),
+
+ /* SPKMIX */
+ SND_SOC_DAPM_MIXER_E("SPKMIX", WM8991_POWER_MANAGEMENT_1, WM8991_SPK_ENA_BIT, 0,
+ &wm8991_dapm_spkmix_controls[0],
+ ARRAY_SIZE(wm8991_dapm_spkmix_controls), outmixer_event,
+ SND_SOC_DAPM_PRE_REG),
+
+ /* OUT4MIX */
+ SND_SOC_DAPM_MIXER("OUT4MIX", WM8991_POWER_MANAGEMENT_1, WM8991_OUT4_ENA_BIT, 0,
+ &wm8991_dapm_out4mix_controls[0],
+ ARRAY_SIZE(wm8991_dapm_out4mix_controls)),
+
+ /* ROPMIX */
+ SND_SOC_DAPM_MIXER("ROPMIX", WM8991_POWER_MANAGEMENT_3, WM8991_ROP_ENA_BIT, 0,
+ &wm8991_dapm_ropmix_controls[0],
+ ARRAY_SIZE(wm8991_dapm_ropmix_controls)),
+
+ /* RONMIX */
+ SND_SOC_DAPM_MIXER("RONMIX", WM8991_POWER_MANAGEMENT_3, WM8991_RON_ENA_BIT, 0,
+ &wm8991_dapm_ronmix_controls[0],
+ ARRAY_SIZE(wm8991_dapm_ronmix_controls)),
+
+ /* ROMIX */
+ SND_SOC_DAPM_MIXER_E("ROMIX", WM8991_POWER_MANAGEMENT_3, WM8991_ROMIX_ENA_BIT,
+ 0, &wm8991_dapm_romix_controls[0],
+ ARRAY_SIZE(wm8991_dapm_romix_controls),
+ outmixer_event, SND_SOC_DAPM_PRE_REG),
+
+ /* LOUT PGA */
+ SND_SOC_DAPM_PGA("LOUT PGA", WM8991_POWER_MANAGEMENT_1, WM8991_LOUT_ENA_BIT, 0,
+ NULL, 0),
+
+ /* ROUT PGA */
+ SND_SOC_DAPM_PGA("ROUT PGA", WM8991_POWER_MANAGEMENT_1, WM8991_ROUT_ENA_BIT, 0,
+ NULL, 0),
+
+ /* LOPGA */
+ SND_SOC_DAPM_PGA("LOPGA", WM8991_POWER_MANAGEMENT_3, WM8991_LOPGA_ENA_BIT, 0,
+ NULL, 0),
+
+ /* ROPGA */
+ SND_SOC_DAPM_PGA("ROPGA", WM8991_POWER_MANAGEMENT_3, WM8991_ROPGA_ENA_BIT, 0,
+ NULL, 0),
+
+ /* MICBIAS */
+ SND_SOC_DAPM_MICBIAS("MICBIAS", WM8991_POWER_MANAGEMENT_1,
+ WM8991_MICBIAS_ENA_BIT, 0),
+
+ SND_SOC_DAPM_OUTPUT("LON"),
+ SND_SOC_DAPM_OUTPUT("LOP"),
+ SND_SOC_DAPM_OUTPUT("OUT3"),
+ SND_SOC_DAPM_OUTPUT("LOUT"),
+ SND_SOC_DAPM_OUTPUT("SPKN"),
+ SND_SOC_DAPM_OUTPUT("SPKP"),
+ SND_SOC_DAPM_OUTPUT("ROUT"),
+ SND_SOC_DAPM_OUTPUT("OUT4"),
+ SND_SOC_DAPM_OUTPUT("ROP"),
+ SND_SOC_DAPM_OUTPUT("RON"),
+ SND_SOC_DAPM_OUTPUT("OUT"),
+
+ SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
+};
+
+static const struct snd_soc_dapm_route audio_map[] = {
+ /* Make DACs turn on when playing even if not mixed into any outputs */
+ {"Internal DAC Sink", NULL, "Left DAC"},
+ {"Internal DAC Sink", NULL, "Right DAC"},
+
+ /* Make ADCs turn on when recording even if not mixed from any inputs */
+ {"Left ADC", NULL, "Internal ADC Source"},
+ {"Right ADC", NULL, "Internal ADC Source"},
+
+ /* Input Side */
+ /* LIN12 PGA */
+ {"LIN12 PGA", "LIN1 Switch", "LIN1"},
+ {"LIN12 PGA", "LIN2 Switch", "LIN2"},
+ /* LIN34 PGA */
+ {"LIN34 PGA", "LIN3 Switch", "LIN3"},
+ {"LIN34 PGA", "LIN4 Switch", "LIN4RXN"},
+ /* INMIXL */
+ {"INMIXL", "Record Left Volume", "LOMIX"},
+ {"INMIXL", "LIN2 Volume", "LIN2"},
+ {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
+ {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
+ /* AINLMUX */
+ {"AINLMUX", "INMIXL Mix", "INMIXL"},
+ {"AINLMUX", "DIFFINL Mix", "LIN12 PGA"},
+ {"AINLMUX", "DIFFINL Mix", "LIN34 PGA"},
+ {"AINLMUX", "RXVOICE Mix", "LIN4RXN"},
+ {"AINLMUX", "RXVOICE Mix", "RIN4RXP"},
+ /* ADC */
+ {"Left ADC", NULL, "AINLMUX"},
+
+ /* RIN12 PGA */
+ {"RIN12 PGA", "RIN1 Switch", "RIN1"},
+ {"RIN12 PGA", "RIN2 Switch", "RIN2"},
+ /* RIN34 PGA */
+ {"RIN34 PGA", "RIN3 Switch", "RIN3"},
+ {"RIN34 PGA", "RIN4 Switch", "RIN4RXP"},
+ /* INMIXL */
+ {"INMIXR", "Record Right Volume", "ROMIX"},
+ {"INMIXR", "RIN2 Volume", "RIN2"},
+ {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
+ {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
+ /* AINRMUX */
+ {"AINRMUX", "INMIXR Mix", "INMIXR"},
+ {"AINRMUX", "DIFFINR Mix", "RIN12 PGA"},
+ {"AINRMUX", "DIFFINR Mix", "RIN34 PGA"},
+ {"AINRMUX", "RXVOICE Mix", "LIN4RXN"},
+ {"AINRMUX", "RXVOICE Mix", "RIN4RXP"},
+ /* ADC */
+ {"Right ADC", NULL, "AINRMUX"},
+
+ /* LOMIX */
+ {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
+ {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
+ {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
+ {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
+ {"LOMIX", "LOMIX Right ADC Bypass Switch", "AINRMUX"},
+ {"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"},
+ {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
+
+ /* ROMIX */
+ {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
+ {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
+ {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
+ {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
+ {"ROMIX", "ROMIX Right ADC Bypass Switch", "AINRMUX"},
+ {"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"},
+ {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
+
+ /* SPKMIX */
+ {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
+ {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
+ {"SPKMIX", "SPKMIX LADC Bypass Switch", "AINLMUX"},
+ {"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"},
+ {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
+ {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
+ {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
+ {"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"},
+
+ /* LONMIX */
+ {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
+ {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
+ {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
+
+ /* LOPMIX */
+ {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
+ {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
+ {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
+
+ /* OUT3MIX */
+ {"OUT3MIX", "OUT3MIX LIN4RXN Bypass Switch", "LIN4RXN"},
+ {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
+
+ /* OUT4MIX */
+ {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
+ {"OUT4MIX", "OUT4MIX RIN4RXP Bypass Switch", "RIN4RXP"},
+
+ /* RONMIX */
+ {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
+ {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
+ {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
+
+ /* ROPMIX */
+ {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
+ {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
+ {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
+
+ /* Out Mixer PGAs */
+ {"LOPGA", NULL, "LOMIX"},
+ {"ROPGA", NULL, "ROMIX"},
+
+ {"LOUT PGA", NULL, "LOMIX"},
+ {"ROUT PGA", NULL, "ROMIX"},
+
+ /* Output Pins */
+ {"LON", NULL, "LONMIX"},
+ {"LOP", NULL, "LOPMIX"},
+ {"OUT", NULL, "OUT3MIX"},
+ {"LOUT", NULL, "LOUT PGA"},
+ {"SPKN", NULL, "SPKMIX"},
+ {"ROUT", NULL, "ROUT PGA"},
+ {"OUT4", NULL, "OUT4MIX"},
+ {"ROP", NULL, "ROPMIX"},
+ {"RON", NULL, "RONMIX"},
+};
+
+/* PLL divisors */
+struct _pll_div {
+ u32 div2;
+ u32 n;
+ u32 k;
+};
+
+/* The size in bits of the pll divide multiplied by 10
+ * to allow rounding later */
+#define FIXED_PLL_SIZE ((1 << 16) * 10)
+
+static void pll_factors(struct _pll_div *pll_div, unsigned int target,
+ unsigned int source)
+{
+ u64 Kpart;
+ unsigned int K, Ndiv, Nmod;
+
+
+ Ndiv = target / source;
+ if (Ndiv < 6) {
+ source >>= 1;
+ pll_div->div2 = 1;
+ Ndiv = target / source;
+ } else
+ pll_div->div2 = 0;
+
+ if ((Ndiv < 6) || (Ndiv > 12))
+ printk(KERN_WARNING
+ "WM8991 N value outwith recommended range! N = %d\n", Ndiv);
+
+ pll_div->n = Ndiv;
+ Nmod = target % source;
+ Kpart = FIXED_PLL_SIZE * (long long)Nmod;
+
+ do_div(Kpart, source);
+
+ K = Kpart & 0xFFFFFFFF;
+
+ /* Check if we need to round */
+ if ((K % 10) >= 5)
+ K += 5;
+
+ /* Move down to proper range now rounding is done */
+ K /= 10;
+
+ pll_div->k = K;
+}
+
+static int wm8991_set_dai_pll(struct snd_soc_dai *codec_dai,
+ int pll_id, int src, unsigned int freq_in, unsigned int freq_out)
+{
+ u16 reg;
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct _pll_div pll_div;
+
+ if (freq_in && freq_out) {
+ pll_factors(&pll_div, freq_out * 4, freq_in);
+
+ /* Turn on PLL */
+ reg = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_2);
+ reg |= WM8991_PLL_ENA;
+ snd_soc_write(codec, WM8991_POWER_MANAGEMENT_2, reg);
+
+ /* sysclk comes from PLL */
+ reg = snd_soc_read(codec, WM8991_CLOCKING_2);
+ snd_soc_write(codec, WM8991_CLOCKING_2, reg | WM8991_SYSCLK_SRC);
+
+ /* set up N , fractional mode and pre-divisor if neccessary */
+ snd_soc_write(codec, WM8991_PLL1, pll_div.n | WM8991_SDM |
+ (pll_div.div2 ? WM8991_PRESCALE : 0));
+ snd_soc_write(codec, WM8991_PLL2, (u8)(pll_div.k>>8));
+ snd_soc_write(codec, WM8991_PLL3, (u8)(pll_div.k & 0xFF));
+ } else {
+ /* Turn on PLL */
+ reg = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_2);
+ reg &= ~WM8991_PLL_ENA;
+ snd_soc_write(codec, WM8991_POWER_MANAGEMENT_2, reg);
+ }
+ return 0;
+}
+
+/*
+ * Set's ADC and Voice DAC format.
+ */
+static int wm8991_set_dai_fmt(struct snd_soc_dai *codec_dai,
+ unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ u16 audio1, audio3;
+
+ audio1 = snd_soc_read(codec, WM8991_AUDIO_INTERFACE_1);
+ audio3 = snd_soc_read(codec, WM8991_AUDIO_INTERFACE_3);
+
+ /* set master/slave audio interface */
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ audio3 &= ~WM8991_AIF_MSTR1;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFM:
+ audio3 |= WM8991_AIF_MSTR1;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ audio1 &= ~WM8991_AIF_FMT_MASK;
+
+ /* interface format */
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ audio1 |= WM8991_AIF_TMF_I2S;
+ audio1 &= ~WM8991_AIF_LRCLK_INV;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ audio1 |= WM8991_AIF_TMF_RIGHTJ;
+ audio1 &= ~WM8991_AIF_LRCLK_INV;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ audio1 |= WM8991_AIF_TMF_LEFTJ;
+ audio1 &= ~WM8991_AIF_LRCLK_INV;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ audio1 |= WM8991_AIF_TMF_DSP;
+ audio1 &= ~WM8991_AIF_LRCLK_INV;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ audio1 |= WM8991_AIF_TMF_DSP | WM8991_AIF_LRCLK_INV;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ snd_soc_write(codec, WM8991_AUDIO_INTERFACE_1, audio1);
+ snd_soc_write(codec, WM8991_AUDIO_INTERFACE_3, audio3);
+ return 0;
+}
+
+static int wm8991_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
+ int div_id, int div)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ u16 reg;
+
+ switch (div_id) {
+ case WM8991_MCLK_DIV:
+ reg = snd_soc_read(codec, WM8991_CLOCKING_2) &
+ ~WM8991_MCLK_DIV_MASK;
+ snd_soc_write(codec, WM8991_CLOCKING_2, reg | div);
+ break;
+ case WM8991_DACCLK_DIV:
+ reg = snd_soc_read(codec, WM8991_CLOCKING_2) &
+ ~WM8991_DAC_CLKDIV_MASK;
+ snd_soc_write(codec, WM8991_CLOCKING_2, reg | div);
+ break;
+ case WM8991_ADCCLK_DIV:
+ reg = snd_soc_read(codec, WM8991_CLOCKING_2) &
+ ~WM8991_ADC_CLKDIV_MASK;
+ snd_soc_write(codec, WM8991_CLOCKING_2, reg | div);
+ break;
+ case WM8991_BCLK_DIV:
+ reg = snd_soc_read(codec, WM8991_CLOCKING_1) &
+ ~WM8991_BCLK_DIV_MASK;
+ snd_soc_write(codec, WM8991_CLOCKING_1, reg | div);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/*
+ * Set PCM DAI bit size and sample rate.
+ */
+static int wm8991_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ u16 audio1 = snd_soc_read(codec, WM8991_AUDIO_INTERFACE_1);
+
+ audio1 &= ~WM8991_AIF_WL_MASK;
+ /* bit size */
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ break;
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ audio1 |= WM8991_AIF_WL_20BITS;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ audio1 |= WM8991_AIF_WL_24BITS;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ audio1 |= WM8991_AIF_WL_32BITS;
+ break;
+ }
+
+ snd_soc_write(codec, WM8991_AUDIO_INTERFACE_1, audio1);
+ return 0;
+}
+
+static int wm8991_mute(struct snd_soc_dai *dai, int mute)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ u16 val;
+
+ val = snd_soc_read(codec, WM8991_DAC_CTRL) & ~WM8991_DAC_MUTE;
+ if (mute)
+ snd_soc_write(codec, WM8991_DAC_CTRL, val | WM8991_DAC_MUTE);
+ else
+ snd_soc_write(codec, WM8991_DAC_CTRL, val);
+ return 0;
+}
+
+static int wm8991_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ u16 val;
+
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ break;
+
+ case SND_SOC_BIAS_PREPARE:
+ /* VMID=2*50k */
+ val = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_1) &
+ ~WM8991_VMID_MODE_MASK;
+ snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, val | 0x2);
+ break;
+
+ case SND_SOC_BIAS_STANDBY:
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+ snd_soc_cache_sync(codec);
+ /* Enable all output discharge bits */
+ snd_soc_write(codec, WM8991_ANTIPOP1, WM8991_DIS_LLINE |
+ WM8991_DIS_RLINE | WM8991_DIS_OUT3 |
+ WM8991_DIS_OUT4 | WM8991_DIS_LOUT |
+ WM8991_DIS_ROUT);
+
+ /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
+ snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST |
+ WM8991_BUFDCOPEN | WM8991_POBCTRL |
+ WM8991_VMIDTOG);
+
+ /* Delay to allow output caps to discharge */
+ msleep(300);
+
+ /* Disable VMIDTOG */
+ snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST |
+ WM8991_BUFDCOPEN | WM8991_POBCTRL);
+
+ /* disable all output discharge bits */
+ snd_soc_write(codec, WM8991_ANTIPOP1, 0);
+
+ /* Enable outputs */
+ snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1b00);
+
+ msleep(50);
+
+ /* Enable VMID at 2x50k */
+ snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1f02);
+
+ msleep(100);
+
+ /* Enable VREF */
+ snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1f03);
+
+ msleep(600);
+
+ /* Enable BUFIOEN */
+ snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST |
+ WM8991_BUFDCOPEN | WM8991_POBCTRL |
+ WM8991_BUFIOEN);
+
+ /* Disable outputs */
+ snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x3);
+
+ /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
+ snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_BUFIOEN);
+ }
+
+ /* VMID=2*250k */
+ val = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_1) &
+ ~WM8991_VMID_MODE_MASK;
+ snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, val | 0x4);
+ break;
+
+ case SND_SOC_BIAS_OFF:
+ /* Enable POBCTRL and SOFT_ST */
+ snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST |
+ WM8991_POBCTRL | WM8991_BUFIOEN);
+
+ /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
+ snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST |
+ WM8991_BUFDCOPEN | WM8991_POBCTRL |
+ WM8991_BUFIOEN);
+
+ /* mute DAC */
+ val = snd_soc_read(codec, WM8991_DAC_CTRL);
+ snd_soc_write(codec, WM8991_DAC_CTRL, val | WM8991_DAC_MUTE);
+
+ /* Enable any disabled outputs */
+ snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1f03);
+
+ /* Disable VMID */
+ snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1f01);
+
+ msleep(300);
+
+ /* Enable all output discharge bits */
+ snd_soc_write(codec, WM8991_ANTIPOP1, WM8991_DIS_LLINE |
+ WM8991_DIS_RLINE | WM8991_DIS_OUT3 |
+ WM8991_DIS_OUT4 | WM8991_DIS_LOUT |
+ WM8991_DIS_ROUT);
+
+ /* Disable VREF */
+ snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x0);
+
+ /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
+ snd_soc_write(codec, WM8991_ANTIPOP2, 0x0);
+ codec->cache_sync = 1;
+ break;
+ }
+
+ codec->dapm.bias_level = level;
+ return 0;
+}
+
+static int wm8991_suspend(struct snd_soc_codec *codec, pm_message_t state)
+{
+ wm8991_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ return 0;
+}
+
+static int wm8991_resume(struct snd_soc_codec *codec)
+{
+ wm8991_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+ return 0;
+}
+
+/* power down chip */
+static int wm8991_remove(struct snd_soc_codec *codec)
+{
+ wm8991_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ return 0;
+}
+
+static int wm8991_probe(struct snd_soc_codec *codec)
+{
+ struct wm8991_priv *wm8991;
+ int ret;
+ unsigned int reg;
+
+ wm8991 = snd_soc_codec_get_drvdata(codec);
+
+ ret = snd_soc_codec_set_cache_io(codec, 8, 16, wm8991->control_type);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to set cache i/o: %d\n", ret);
+ return ret;
+ }
+
+ ret = wm8991_reset(codec);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to issue reset\n");
+ return ret;
+ }
+
+ wm8991_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
+ reg = snd_soc_read(codec, WM8991_AUDIO_INTERFACE_4);
+ snd_soc_write(codec, WM8991_AUDIO_INTERFACE_4, reg | WM8991_ALRCGPIO1);
+
+ reg = snd_soc_read(codec, WM8991_GPIO1_GPIO2) &
+ ~WM8991_GPIO1_SEL_MASK;
+ snd_soc_write(codec, WM8991_GPIO1_GPIO2, reg | 1);
+
+ reg = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_1);
+ snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, reg | WM8991_VREF_ENA|
+ WM8991_VMID_MODE_MASK);
+
+ reg = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_2);
+ snd_soc_write(codec, WM8991_POWER_MANAGEMENT_2, reg | WM8991_OPCLK_ENA);
+
+ snd_soc_write(codec, WM8991_DAC_CTRL, 0);
+ snd_soc_write(codec, WM8991_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
+ snd_soc_write(codec, WM8991_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
+
+ snd_soc_add_controls(codec, wm8991_snd_controls,
+ ARRAY_SIZE(wm8991_snd_controls));
+
+ snd_soc_dapm_new_controls(&codec->dapm, wm8991_dapm_widgets,
+ ARRAY_SIZE(wm8991_dapm_widgets));
+ snd_soc_dapm_add_routes(&codec->dapm, audio_map,
+ ARRAY_SIZE(audio_map));
+ return 0;
+}
+
+#define WM8991_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+ SNDRV_PCM_FMTBIT_S24_LE)
+
+static struct snd_soc_dai_ops wm8991_ops = {
+ .hw_params = wm8991_hw_params,
+ .digital_mute = wm8991_mute,
+ .set_fmt = wm8991_set_dai_fmt,
+ .set_clkdiv = wm8991_set_dai_clkdiv,
+ .set_pll = wm8991_set_dai_pll
+};
+
+/*
+ * The WM8991 supports 2 different and mutually exclusive DAI
+ * configurations.
+ *
+ * 1. ADC/DAC on Primary Interface
+ * 2. ADC on Primary Interface/DAC on secondary
+ */
+static struct snd_soc_dai_driver wm8991_dai = {
+ /* ADC/DAC on primary */
+ .name = "wm8991",
+ .id = 1,
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_96000,
+ .formats = WM8991_FORMATS
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_96000,
+ .formats = WM8991_FORMATS
+ },
+ .ops = &wm8991_ops
+};
+
+static struct snd_soc_codec_driver soc_codec_dev_wm8991 = {
+ .probe = wm8991_probe,
+ .remove = wm8991_remove,
+ .suspend = wm8991_suspend,
+ .resume = wm8991_resume,
+ .set_bias_level = wm8991_set_bias_level,
+ .reg_cache_size = WM8991_MAX_REGISTER + 1,
+ .reg_word_size = sizeof(u16),
+ .reg_cache_default = wm8991_reg_defs
+};
+
+static __devinit int wm8991_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct wm8991_priv *wm8991;
+ int ret;
+
+ wm8991 = kzalloc(sizeof *wm8991, GFP_KERNEL);
+ if (!wm8991)
+ return -ENOMEM;
+
+ wm8991->control_type = SND_SOC_I2C;
+ i2c_set_clientdata(i2c, wm8991);
+
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_wm8991, &wm8991_dai, 1);
+ if (ret < 0)
+ kfree(wm8991);
+ return ret;
+}
+
+static __devexit int wm8991_i2c_remove(struct i2c_client *client)
+{
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
+ return 0;
+}
+
+static const struct i2c_device_id wm8991_i2c_id[] = {
+ { "wm8991", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, wm8991_i2c_id);
+
+static struct i2c_driver wm8991_i2c_driver = {
+ .driver = {
+ .name = "wm8991",
+ .owner = THIS_MODULE,
+ },
+ .probe = wm8991_i2c_probe,
+ .remove = __devexit_p(wm8991_i2c_remove),
+ .id_table = wm8991_i2c_id,
+};
+
+static int __init wm8991_modinit(void)
+{
+ int ret;
+ ret = i2c_add_driver(&wm8991_i2c_driver);
+ if (ret != 0) {
+ printk(KERN_ERR "Failed to register WM8991 I2C driver: %d\n",
+ ret);
+ }
+ return 0;
+}
+module_init(wm8991_modinit);
+
+static void __exit wm8991_exit(void)
+{
+ i2c_del_driver(&wm8991_i2c_driver);
+}
+module_exit(wm8991_exit);
+
+MODULE_DESCRIPTION("ASoC WM8991 driver");
+MODULE_AUTHOR("Graeme Gregory");
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * wm8991.h -- audio driver for WM8991
+ *
+ * Copyright 2007 Wolfson Microelectronics PLC.
+ * Author: Graeme Gregory
+ * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef _WM8991_H
+#define _WM8991_H
+
+/*
+ * Register values.
+ */
+#define WM8991_RESET 0x00
+#define WM8991_POWER_MANAGEMENT_1 0x01
+#define WM8991_POWER_MANAGEMENT_2 0x02
+#define WM8991_POWER_MANAGEMENT_3 0x03
+#define WM8991_AUDIO_INTERFACE_1 0x04
+#define WM8991_AUDIO_INTERFACE_2 0x05
+#define WM8991_CLOCKING_1 0x06
+#define WM8991_CLOCKING_2 0x07
+#define WM8991_AUDIO_INTERFACE_3 0x08
+#define WM8991_AUDIO_INTERFACE_4 0x09
+#define WM8991_DAC_CTRL 0x0A
+#define WM8991_LEFT_DAC_DIGITAL_VOLUME 0x0B
+#define WM8991_RIGHT_DAC_DIGITAL_VOLUME 0x0C
+#define WM8991_DIGITAL_SIDE_TONE 0x0D
+#define WM8991_ADC_CTRL 0x0E
+#define WM8991_LEFT_ADC_DIGITAL_VOLUME 0x0F
+#define WM8991_RIGHT_ADC_DIGITAL_VOLUME 0x10
+#define WM8991_GPIO_CTRL_1 0x12
+#define WM8991_GPIO1_GPIO2 0x13
+#define WM8991_GPIO3_GPIO4 0x14
+#define WM8991_GPIO5_GPIO6 0x15
+#define WM8991_GPIOCTRL_2 0x16
+#define WM8991_GPIO_POL 0x17
+#define WM8991_LEFT_LINE_INPUT_1_2_VOLUME 0x18
+#define WM8991_LEFT_LINE_INPUT_3_4_VOLUME 0x19
+#define WM8991_RIGHT_LINE_INPUT_1_2_VOLUME 0x1A
+#define WM8991_RIGHT_LINE_INPUT_3_4_VOLUME 0x1B
+#define WM8991_LEFT_OUTPUT_VOLUME 0x1C
+#define WM8991_RIGHT_OUTPUT_VOLUME 0x1D
+#define WM8991_LINE_OUTPUTS_VOLUME 0x1E
+#define WM8991_OUT3_4_VOLUME 0x1F
+#define WM8991_LEFT_OPGA_VOLUME 0x20
+#define WM8991_RIGHT_OPGA_VOLUME 0x21
+#define WM8991_SPEAKER_VOLUME 0x22
+#define WM8991_CLASSD1 0x23
+#define WM8991_CLASSD3 0x25
+#define WM8991_INPUT_MIXER1 0x27
+#define WM8991_INPUT_MIXER2 0x28
+#define WM8991_INPUT_MIXER3 0x29
+#define WM8991_INPUT_MIXER4 0x2A
+#define WM8991_INPUT_MIXER5 0x2B
+#define WM8991_INPUT_MIXER6 0x2C
+#define WM8991_OUTPUT_MIXER1 0x2D
+#define WM8991_OUTPUT_MIXER2 0x2E
+#define WM8991_OUTPUT_MIXER3 0x2F
+#define WM8991_OUTPUT_MIXER4 0x30
+#define WM8991_OUTPUT_MIXER5 0x31
+#define WM8991_OUTPUT_MIXER6 0x32
+#define WM8991_OUT3_4_MIXER 0x33
+#define WM8991_LINE_MIXER1 0x34
+#define WM8991_LINE_MIXER2 0x35
+#define WM8991_SPEAKER_MIXER 0x36
+#define WM8991_ADDITIONAL_CONTROL 0x37
+#define WM8991_ANTIPOP1 0x38
+#define WM8991_ANTIPOP2 0x39
+#define WM8991_MICBIAS 0x3A
+#define WM8991_PLL1 0x3C
+#define WM8991_PLL2 0x3D
+#define WM8991_PLL3 0x3E
+#define WM8991_INTDRIVBITS 0x3F
+
+#define WM8991_REGISTER_COUNT 60
+#define WM8991_MAX_REGISTER 0x3F
+
+/*
+ * Field Definitions.
+ */
+
+/*
+ * R0 (0x00) - Reset
+ */
+#define WM8991_SW_RESET_CHIP_ID_MASK 0xFFFF /* SW_RESET_CHIP_ID - [15:0] */
+
+/*
+ * R1 (0x01) - Power Management (1)
+ */
+#define WM8991_SPK_ENA 0x1000 /* SPK_ENA */
+#define WM8991_SPK_ENA_BIT 12
+#define WM8991_OUT3_ENA 0x0800 /* OUT3_ENA */
+#define WM8991_OUT3_ENA_BIT 11
+#define WM8991_OUT4_ENA 0x0400 /* OUT4_ENA */
+#define WM8991_OUT4_ENA_BIT 10
+#define WM8991_LOUT_ENA 0x0200 /* LOUT_ENA */
+#define WM8991_LOUT_ENA_BIT 9
+#define WM8991_ROUT_ENA 0x0100 /* ROUT_ENA */
+#define WM8991_ROUT_ENA_BIT 8
+#define WM8991_MICBIAS_ENA 0x0010 /* MICBIAS_ENA */
+#define WM8991_MICBIAS_ENA_BIT 4
+#define WM8991_VMID_MODE_MASK 0x0006 /* VMID_MODE - [2:1] */
+#define WM8991_VREF_ENA 0x0001 /* VREF_ENA */
+#define WM8991_VREF_ENA_BIT 0
+
+/*
+ * R2 (0x02) - Power Management (2)
+ */
+#define WM8991_PLL_ENA 0x8000 /* PLL_ENA */
+#define WM8991_PLL_ENA_BIT 15
+#define WM8991_TSHUT_ENA 0x4000 /* TSHUT_ENA */
+#define WM8991_TSHUT_ENA_BIT 14
+#define WM8991_TSHUT_OPDIS 0x2000 /* TSHUT_OPDIS */
+#define WM8991_TSHUT_OPDIS_BIT 13
+#define WM8991_OPCLK_ENA 0x0800 /* OPCLK_ENA */
+#define WM8991_OPCLK_ENA_BIT 11
+#define WM8991_AINL_ENA 0x0200 /* AINL_ENA */
+#define WM8991_AINL_ENA_BIT 9
+#define WM8991_AINR_ENA 0x0100 /* AINR_ENA */
+#define WM8991_AINR_ENA_BIT 8
+#define WM8991_LIN34_ENA 0x0080 /* LIN34_ENA */
+#define WM8991_LIN34_ENA_BIT 7
+#define WM8991_LIN12_ENA 0x0040 /* LIN12_ENA */
+#define WM8991_LIN12_ENA_BIT 6
+#define WM8991_RIN34_ENA 0x0020 /* RIN34_ENA */
+#define WM8991_RIN34_ENA_BIT 5
+#define WM8991_RIN12_ENA 0x0010 /* RIN12_ENA */
+#define WM8991_RIN12_ENA_BIT 4
+#define WM8991_ADCL_ENA 0x0002 /* ADCL_ENA */
+#define WM8991_ADCL_ENA_BIT 1
+#define WM8991_ADCR_ENA 0x0001 /* ADCR_ENA */
+#define WM8991_ADCR_ENA_BIT 0
+
+/*
+ * R3 (0x03) - Power Management (3)
+ */
+#define WM8991_LON_ENA 0x2000 /* LON_ENA */
+#define WM8991_LON_ENA_BIT 13
+#define WM8991_LOP_ENA 0x1000 /* LOP_ENA */
+#define WM8991_LOP_ENA_BIT 12
+#define WM8991_RON_ENA 0x0800 /* RON_ENA */
+#define WM8991_RON_ENA_BIT 11
+#define WM8991_ROP_ENA 0x0400 /* ROP_ENA */
+#define WM8991_ROP_ENA_BIT 10
+#define WM8991_LOPGA_ENA 0x0080 /* LOPGA_ENA */
+#define WM8991_LOPGA_ENA_BIT 7
+#define WM8991_ROPGA_ENA 0x0040 /* ROPGA_ENA */
+#define WM8991_ROPGA_ENA_BIT 6
+#define WM8991_LOMIX_ENA 0x0020 /* LOMIX_ENA */
+#define WM8991_LOMIX_ENA_BIT 5
+#define WM8991_ROMIX_ENA 0x0010 /* ROMIX_ENA */
+#define WM8991_ROMIX_ENA_BIT 4
+#define WM8991_DACL_ENA 0x0002 /* DACL_ENA */
+#define WM8991_DACL_ENA_BIT 1
+#define WM8991_DACR_ENA 0x0001 /* DACR_ENA */
+#define WM8991_DACR_ENA_BIT 0
+
+/*
+ * R4 (0x04) - Audio Interface (1)
+ */
+#define WM8991_AIFADCL_SRC 0x8000 /* AIFADCL_SRC */
+#define WM8991_AIFADCR_SRC 0x4000 /* AIFADCR_SRC */
+#define WM8991_AIFADC_TDM 0x2000 /* AIFADC_TDM */
+#define WM8991_AIFADC_TDM_CHAN 0x1000 /* AIFADC_TDM_CHAN */
+#define WM8991_AIF_BCLK_INV 0x0100 /* AIF_BCLK_INV */
+#define WM8991_AIF_LRCLK_INV 0x0080 /* AIF_LRCLK_INV */
+#define WM8991_AIF_WL_MASK 0x0060 /* AIF_WL - [6:5] */
+#define WM8991_AIF_WL_16BITS (0 << 5)
+#define WM8991_AIF_WL_20BITS (1 << 5)
+#define WM8991_AIF_WL_24BITS (2 << 5)
+#define WM8991_AIF_WL_32BITS (3 << 5)
+#define WM8991_AIF_FMT_MASK 0x0018 /* AIF_FMT - [4:3] */
+#define WM8991_AIF_TMF_RIGHTJ (0 << 3)
+#define WM8991_AIF_TMF_LEFTJ (1 << 3)
+#define WM8991_AIF_TMF_I2S (2 << 3)
+#define WM8991_AIF_TMF_DSP (3 << 3)
+
+/*
+ * R5 (0x05) - Audio Interface (2)
+ */
+#define WM8991_DACL_SRC 0x8000 /* DACL_SRC */
+#define WM8991_DACR_SRC 0x4000 /* DACR_SRC */
+#define WM8991_AIFDAC_TDM 0x2000 /* AIFDAC_TDM */
+#define WM8991_AIFDAC_TDM_CHAN 0x1000 /* AIFDAC_TDM_CHAN */
+#define WM8991_DAC_BOOST_MASK 0x0C00 /* DAC_BOOST - [11:10] */
+#define WM8991_DAC_COMP 0x0010 /* DAC_COMP */
+#define WM8991_DAC_COMPMODE 0x0008 /* DAC_COMPMODE */
+#define WM8991_ADC_COMP 0x0004 /* ADC_COMP */
+#define WM8991_ADC_COMPMODE 0x0002 /* ADC_COMPMODE */
+#define WM8991_LOOPBACK 0x0001 /* LOOPBACK */
+
+/*
+ * R6 (0x06) - Clocking (1)
+ */
+#define WM8991_TOCLK_RATE 0x8000 /* TOCLK_RATE */
+#define WM8991_TOCLK_ENA 0x4000 /* TOCLK_ENA */
+#define WM8991_OPCLKDIV_MASK 0x1E00 /* OPCLKDIV - [12:9] */
+#define WM8991_DCLKDIV_MASK 0x01C0 /* DCLKDIV - [8:6] */
+#define WM8991_BCLK_DIV_MASK 0x001E /* BCLK_DIV - [4:1] */
+#define WM8991_BCLK_DIV_1 (0x0 << 1)
+#define WM8991_BCLK_DIV_1_5 (0x1 << 1)
+#define WM8991_BCLK_DIV_2 (0x2 << 1)
+#define WM8991_BCLK_DIV_3 (0x3 << 1)
+#define WM8991_BCLK_DIV_4 (0x4 << 1)
+#define WM8991_BCLK_DIV_5_5 (0x5 << 1)
+#define WM8991_BCLK_DIV_6 (0x6 << 1)
+#define WM8991_BCLK_DIV_8 (0x7 << 1)
+#define WM8991_BCLK_DIV_11 (0x8 << 1)
+#define WM8991_BCLK_DIV_12 (0x9 << 1)
+#define WM8991_BCLK_DIV_16 (0xA << 1)
+#define WM8991_BCLK_DIV_22 (0xB << 1)
+#define WM8991_BCLK_DIV_24 (0xC << 1)
+#define WM8991_BCLK_DIV_32 (0xD << 1)
+#define WM8991_BCLK_DIV_44 (0xE << 1)
+#define WM8991_BCLK_DIV_48 (0xF << 1)
+
+/*
+ * R7 (0x07) - Clocking (2)
+ */
+#define WM8991_MCLK_SRC 0x8000 /* MCLK_SRC */
+#define WM8991_SYSCLK_SRC 0x4000 /* SYSCLK_SRC */
+#define WM8991_CLK_FORCE 0x2000 /* CLK_FORCE */
+#define WM8991_MCLK_DIV_MASK 0x1800 /* MCLK_DIV - [12:11] */
+#define WM8991_MCLK_DIV_1 (0 << 11)
+#define WM8991_MCLK_DIV_2 ( 2 << 11)
+#define WM8991_MCLK_INV 0x0400 /* MCLK_INV */
+#define WM8991_ADC_CLKDIV_MASK 0x00E0 /* ADC_CLKDIV - [7:5] */
+#define WM8991_ADC_CLKDIV_1 (0 << 5)
+#define WM8991_ADC_CLKDIV_1_5 (1 << 5)
+#define WM8991_ADC_CLKDIV_2 (2 << 5)
+#define WM8991_ADC_CLKDIV_3 (3 << 5)
+#define WM8991_ADC_CLKDIV_4 (4 << 5)
+#define WM8991_ADC_CLKDIV_5_5 (5 << 5)
+#define WM8991_ADC_CLKDIV_6 (6 << 5)
+#define WM8991_DAC_CLKDIV_MASK 0x001C /* DAC_CLKDIV - [4:2] */
+#define WM8991_DAC_CLKDIV_1 (0 << 2)
+#define WM8991_DAC_CLKDIV_1_5 (1 << 2)
+#define WM8991_DAC_CLKDIV_2 (2 << 2)
+#define WM8991_DAC_CLKDIV_3 (3 << 2)
+#define WM8991_DAC_CLKDIV_4 (4 << 2)
+#define WM8991_DAC_CLKDIV_5_5 (5 << 2)
+#define WM8991_DAC_CLKDIV_6 (6 << 2)
+
+/*
+ * R8 (0x08) - Audio Interface (3)
+ */
+#define WM8991_AIF_MSTR1 0x8000 /* AIF_MSTR1 */
+#define WM8991_AIF_MSTR2 0x4000 /* AIF_MSTR2 */
+#define WM8991_AIF_SEL 0x2000 /* AIF_SEL */
+#define WM8991_ADCLRC_DIR 0x0800 /* ADCLRC_DIR */
+#define WM8991_ADCLRC_RATE_MASK 0x07FF /* ADCLRC_RATE - [10:0] */
+
+/*
+ * R9 (0x09) - Audio Interface (4)
+ */
+#define WM8991_ALRCGPIO1 0x8000 /* ALRCGPIO1 */
+#define WM8991_ALRCBGPIO6 0x4000 /* ALRCBGPIO6 */
+#define WM8991_AIF_TRIS 0x2000 /* AIF_TRIS */
+#define WM8991_DACLRC_DIR 0x0800 /* DACLRC_DIR */
+#define WM8991_DACLRC_RATE_MASK 0x07FF /* DACLRC_RATE - [10:0] */
+
+/*
+ * R10 (0x0A) - DAC CTRL
+ */
+#define WM8991_AIF_LRCLKRATE 0x0400 /* AIF_LRCLKRATE */
+#define WM8991_DAC_MONO 0x0200 /* DAC_MONO */
+#define WM8991_DAC_SB_FILT 0x0100 /* DAC_SB_FILT */
+#define WM8991_DAC_MUTERATE 0x0080 /* DAC_MUTERATE */
+#define WM8991_DAC_MUTEMODE 0x0040 /* DAC_MUTEMODE */
+#define WM8991_DEEMP_MASK 0x0030 /* DEEMP - [5:4] */
+#define WM8991_DAC_MUTE 0x0004 /* DAC_MUTE */
+#define WM8991_DACL_DATINV 0x0002 /* DACL_DATINV */
+#define WM8991_DACR_DATINV 0x0001 /* DACR_DATINV */
+
+/*
+ * R11 (0x0B) - Left DAC Digital Volume
+ */
+#define WM8991_DAC_VU 0x0100 /* DAC_VU */
+#define WM8991_DACL_VOL_MASK 0x00FF /* DACL_VOL - [7:0] */
+#define WM8991_DACL_VOL_SHIFT 0
+/*
+ * R12 (0x0C) - Right DAC Digital Volume
+ */
+#define WM8991_DAC_VU 0x0100 /* DAC_VU */
+#define WM8991_DACR_VOL_MASK 0x00FF /* DACR_VOL - [7:0] */
+#define WM8991_DACR_VOL_SHIFT 0
+/*
+ * R13 (0x0D) - Digital Side Tone
+ */
+#define WM8991_ADCL_DAC_SVOL_MASK 0x0F /* ADCL_DAC_SVOL - [12:9] */
+#define WM8991_ADCL_DAC_SVOL_SHIFT 9
+#define WM8991_ADCR_DAC_SVOL_MASK 0x0F /* ADCR_DAC_SVOL - [8:5] */
+#define WM8991_ADCR_DAC_SVOL_SHIFT 5
+#define WM8991_ADC_TO_DACL_MASK 0x03 /* ADC_TO_DACL - [3:2] */
+#define WM8991_ADC_TO_DACL_SHIFT 2
+#define WM8991_ADC_TO_DACR_MASK 0x03 /* ADC_TO_DACR - [1:0] */
+#define WM8991_ADC_TO_DACR_SHIFT 0
+
+/*
+ * R14 (0x0E) - ADC CTRL
+ */
+#define WM8991_ADC_HPF_ENA 0x0100 /* ADC_HPF_ENA */
+#define WM8991_ADC_HPF_ENA_BIT 8
+#define WM8991_ADC_HPF_CUT_MASK 0x03 /* ADC_HPF_CUT - [6:5] */
+#define WM8991_ADC_HPF_CUT_SHIFT 5
+#define WM8991_ADCL_DATINV 0x0002 /* ADCL_DATINV */
+#define WM8991_ADCL_DATINV_BIT 1
+#define WM8991_ADCR_DATINV 0x0001 /* ADCR_DATINV */
+#define WM8991_ADCR_DATINV_BIT 0
+
+/*
+ * R15 (0x0F) - Left ADC Digital Volume
+ */
+#define WM8991_ADC_VU 0x0100 /* ADC_VU */
+#define WM8991_ADCL_VOL_MASK 0x00FF /* ADCL_VOL - [7:0] */
+#define WM8991_ADCL_VOL_SHIFT 0
+
+/*
+ * R16 (0x10) - Right ADC Digital Volume
+ */
+#define WM8991_ADC_VU 0x0100 /* ADC_VU */
+#define WM8991_ADCR_VOL_MASK 0x00FF /* ADCR_VOL - [7:0] */
+#define WM8991_ADCR_VOL_SHIFT 0
+
+/*
+ * R18 (0x12) - GPIO CTRL 1
+ */
+#define WM8991_IRQ 0x1000 /* IRQ */
+#define WM8991_TEMPOK 0x0800 /* TEMPOK */
+#define WM8991_MICSHRT 0x0400 /* MICSHRT */
+#define WM8991_MICDET 0x0200 /* MICDET */
+#define WM8991_PLL_LCK 0x0100 /* PLL_LCK */
+#define WM8991_GPI8_STATUS 0x0080 /* GPI8_STATUS */
+#define WM8991_GPI7_STATUS 0x0040 /* GPI7_STATUS */
+#define WM8991_GPIO6_STATUS 0x0020 /* GPIO6_STATUS */
+#define WM8991_GPIO5_STATUS 0x0010 /* GPIO5_STATUS */
+#define WM8991_GPIO4_STATUS 0x0008 /* GPIO4_STATUS */
+#define WM8991_GPIO3_STATUS 0x0004 /* GPIO3_STATUS */
+#define WM8991_GPIO2_STATUS 0x0002 /* GPIO2_STATUS */
+#define WM8991_GPIO1_STATUS 0x0001 /* GPIO1_STATUS */
+
+/*
+ * R19 (0x13) - GPIO1 & GPIO2
+ */
+#define WM8991_GPIO2_DEB_ENA 0x8000 /* GPIO2_DEB_ENA */
+#define WM8991_GPIO2_IRQ_ENA 0x4000 /* GPIO2_IRQ_ENA */
+#define WM8991_GPIO2_PU 0x2000 /* GPIO2_PU */
+#define WM8991_GPIO2_PD 0x1000 /* GPIO2_PD */
+#define WM8991_GPIO2_SEL_MASK 0x0F00 /* GPIO2_SEL - [11:8] */
+#define WM8991_GPIO1_DEB_ENA 0x0080 /* GPIO1_DEB_ENA */
+#define WM8991_GPIO1_IRQ_ENA 0x0040 /* GPIO1_IRQ_ENA */
+#define WM8991_GPIO1_PU 0x0020 /* GPIO1_PU */
+#define WM8991_GPIO1_PD 0x0010 /* GPIO1_PD */
+#define WM8991_GPIO1_SEL_MASK 0x000F /* GPIO1_SEL - [3:0] */
+
+/*
+ * R20 (0x14) - GPIO3 & GPIO4
+ */
+#define WM8991_GPIO4_DEB_ENA 0x8000 /* GPIO4_DEB_ENA */
+#define WM8991_GPIO4_IRQ_ENA 0x4000 /* GPIO4_IRQ_ENA */
+#define WM8991_GPIO4_PU 0x2000 /* GPIO4_PU */
+#define WM8991_GPIO4_PD 0x1000 /* GPIO4_PD */
+#define WM8991_GPIO4_SEL_MASK 0x0F00 /* GPIO4_SEL - [11:8] */
+#define WM8991_GPIO3_DEB_ENA 0x0080 /* GPIO3_DEB_ENA */
+#define WM8991_GPIO3_IRQ_ENA 0x0040 /* GPIO3_IRQ_ENA */
+#define WM8991_GPIO3_PU 0x0020 /* GPIO3_PU */
+#define WM8991_GPIO3_PD 0x0010 /* GPIO3_PD */
+#define WM8991_GPIO3_SEL_MASK 0x000F /* GPIO3_SEL - [3:0] */
+
+/*
+ * R21 (0x15) - GPIO5 & GPIO6
+ */
+#define WM8991_GPIO6_DEB_ENA 0x8000 /* GPIO6_DEB_ENA */
+#define WM8991_GPIO6_IRQ_ENA 0x4000 /* GPIO6_IRQ_ENA */
+#define WM8991_GPIO6_PU 0x2000 /* GPIO6_PU */
+#define WM8991_GPIO6_PD 0x1000 /* GPIO6_PD */
+#define WM8991_GPIO6_SEL_MASK 0x0F00 /* GPIO6_SEL - [11:8] */
+#define WM8991_GPIO5_DEB_ENA 0x0080 /* GPIO5_DEB_ENA */
+#define WM8991_GPIO5_IRQ_ENA 0x0040 /* GPIO5_IRQ_ENA */
+#define WM8991_GPIO5_PU 0x0020 /* GPIO5_PU */
+#define WM8991_GPIO5_PD 0x0010 /* GPIO5_PD */
+#define WM8991_GPIO5_SEL_MASK 0x000F /* GPIO5_SEL - [3:0] */
+
+/*
+ * R22 (0x16) - GPIOCTRL 2
+ */
+#define WM8991_RD_3W_ENA 0x8000 /* RD_3W_ENA */
+#define WM8991_MODE_3W4W 0x4000 /* MODE_3W4W */
+#define WM8991_TEMPOK_IRQ_ENA 0x0800 /* TEMPOK_IRQ_ENA */
+#define WM8991_MICSHRT_IRQ_ENA 0x0400 /* MICSHRT_IRQ_ENA */
+#define WM8991_MICDET_IRQ_ENA 0x0200 /* MICDET_IRQ_ENA */
+#define WM8991_PLL_LCK_IRQ_ENA 0x0100 /* PLL_LCK_IRQ_ENA */
+#define WM8991_GPI8_DEB_ENA 0x0080 /* GPI8_DEB_ENA */
+#define WM8991_GPI8_IRQ_ENA 0x0040 /* GPI8_IRQ_ENA */
+#define WM8991_GPI8_ENA 0x0010 /* GPI8_ENA */
+#define WM8991_GPI7_DEB_ENA 0x0008 /* GPI7_DEB_ENA */
+#define WM8991_GPI7_IRQ_ENA 0x0004 /* GPI7_IRQ_ENA */
+#define WM8991_GPI7_ENA 0x0001 /* GPI7_ENA */
+
+/*
+ * R23 (0x17) - GPIO_POL
+ */
+#define WM8991_IRQ_INV 0x1000 /* IRQ_INV */
+#define WM8991_TEMPOK_POL 0x0800 /* TEMPOK_POL */
+#define WM8991_MICSHRT_POL 0x0400 /* MICSHRT_POL */
+#define WM8991_MICDET_POL 0x0200 /* MICDET_POL */
+#define WM8991_PLL_LCK_POL 0x0100 /* PLL_LCK_POL */
+#define WM8991_GPI8_POL 0x0080 /* GPI8_POL */
+#define WM8991_GPI7_POL 0x0040 /* GPI7_POL */
+#define WM8991_GPIO6_POL 0x0020 /* GPIO6_POL */
+#define WM8991_GPIO5_POL 0x0010 /* GPIO5_POL */
+#define WM8991_GPIO4_POL 0x0008 /* GPIO4_POL */
+#define WM8991_GPIO3_POL 0x0004 /* GPIO3_POL */
+#define WM8991_GPIO2_POL 0x0002 /* GPIO2_POL */
+#define WM8991_GPIO1_POL 0x0001 /* GPIO1_POL */
+
+/*
+ * R24 (0x18) - Left Line Input 1&2 Volume
+ */
+#define WM8991_IPVU 0x0100 /* IPVU */
+#define WM8991_LI12MUTE 0x0080 /* LI12MUTE */
+#define WM8991_LI12MUTE_BIT 7
+#define WM8991_LI12ZC 0x0040 /* LI12ZC */
+#define WM8991_LI12ZC_BIT 6
+#define WM8991_LIN12VOL_MASK 0x001F /* LIN12VOL - [4:0] */
+#define WM8991_LIN12VOL_SHIFT 0
+/*
+ * R25 (0x19) - Left Line Input 3&4 Volume
+ */
+#define WM8991_IPVU 0x0100 /* IPVU */
+#define WM8991_LI34MUTE 0x0080 /* LI34MUTE */
+#define WM8991_LI34MUTE_BIT 7
+#define WM8991_LI34ZC 0x0040 /* LI34ZC */
+#define WM8991_LI34ZC_BIT 6
+#define WM8991_LIN34VOL_MASK 0x001F /* LIN34VOL - [4:0] */
+#define WM8991_LIN34VOL_SHIFT 0
+
+/*
+ * R26 (0x1A) - Right Line Input 1&2 Volume
+ */
+#define WM8991_IPVU 0x0100 /* IPVU */
+#define WM8991_RI12MUTE 0x0080 /* RI12MUTE */
+#define WM8991_RI12MUTE_BIT 7
+#define WM8991_RI12ZC 0x0040 /* RI12ZC */
+#define WM8991_RI12ZC_BIT 6
+#define WM8991_RIN12VOL_MASK 0x001F /* RIN12VOL - [4:0] */
+#define WM8991_RIN12VOL_SHIFT 0
+
+/*
+ * R27 (0x1B) - Right Line Input 3&4 Volume
+ */
+#define WM8991_IPVU 0x0100 /* IPVU */
+#define WM8991_RI34MUTE 0x0080 /* RI34MUTE */
+#define WM8991_RI34MUTE_BIT 7
+#define WM8991_RI34ZC 0x0040 /* RI34ZC */
+#define WM8991_RI34ZC_BIT 6
+#define WM8991_RIN34VOL_MASK 0x001F /* RIN34VOL - [4:0] */
+#define WM8991_RIN34VOL_SHIFT 0
+
+/*
+ * R28 (0x1C) - Left Output Volume
+ */
+#define WM8991_OPVU 0x0100 /* OPVU */
+#define WM8991_LOZC 0x0080 /* LOZC */
+#define WM8991_LOZC_BIT 7
+#define WM8991_LOUTVOL_MASK 0x007F /* LOUTVOL - [6:0] */
+#define WM8991_LOUTVOL_SHIFT 0
+/*
+ * R29 (0x1D) - Right Output Volume
+ */
+#define WM8991_OPVU 0x0100 /* OPVU */
+#define WM8991_ROZC 0x0080 /* ROZC */
+#define WM8991_ROZC_BIT 7
+#define WM8991_ROUTVOL_MASK 0x007F /* ROUTVOL - [6:0] */
+#define WM8991_ROUTVOL_SHIFT 0
+/*
+ * R30 (0x1E) - Line Outputs Volume
+ */
+#define WM8991_LONMUTE 0x0040 /* LONMUTE */
+#define WM8991_LONMUTE_BIT 6
+#define WM8991_LOPMUTE 0x0020 /* LOPMUTE */
+#define WM8991_LOPMUTE_BIT 5
+#define WM8991_LOATTN 0x0010 /* LOATTN */
+#define WM8991_LOATTN_BIT 4
+#define WM8991_RONMUTE 0x0004 /* RONMUTE */
+#define WM8991_RONMUTE_BIT 2
+#define WM8991_ROPMUTE 0x0002 /* ROPMUTE */
+#define WM8991_ROPMUTE_BIT 1
+#define WM8991_ROATTN 0x0001 /* ROATTN */
+#define WM8991_ROATTN_BIT 0
+
+/*
+ * R31 (0x1F) - Out3/4 Volume
+ */
+#define WM8991_OUT3MUTE 0x0020 /* OUT3MUTE */
+#define WM8991_OUT3MUTE_BIT 5
+#define WM8991_OUT3ATTN 0x0010 /* OUT3ATTN */
+#define WM8991_OUT3ATTN_BIT 4
+#define WM8991_OUT4MUTE 0x0002 /* OUT4MUTE */
+#define WM8991_OUT4MUTE_BIT 1
+#define WM8991_OUT4ATTN 0x0001 /* OUT4ATTN */
+#define WM8991_OUT4ATTN_BIT 0
+
+/*
+ * R32 (0x20) - Left OPGA Volume
+ */
+#define WM8991_OPVU 0x0100 /* OPVU */
+#define WM8991_LOPGAZC 0x0080 /* LOPGAZC */
+#define WM8991_LOPGAZC_BIT 7
+#define WM8991_LOPGAVOL_MASK 0x007F /* LOPGAVOL - [6:0] */
+#define WM8991_LOPGAVOL_SHIFT 0
+
+/*
+ * R33 (0x21) - Right OPGA Volume
+ */
+#define WM8991_OPVU 0x0100 /* OPVU */
+#define WM8991_ROPGAZC 0x0080 /* ROPGAZC */
+#define WM8991_ROPGAZC_BIT 7
+#define WM8991_ROPGAVOL_MASK 0x007F /* ROPGAVOL - [6:0] */
+#define WM8991_ROPGAVOL_SHIFT 0
+/*
+ * R34 (0x22) - Speaker Volume
+ */
+#define WM8991_SPKVOL_MASK 0x0003 /* SPKVOL - [1:0] */
+#define WM8991_SPKVOL_SHIFT 0
+
+/*
+ * R35 (0x23) - ClassD1
+ */
+#define WM8991_CDMODE 0x0100 /* CDMODE */
+#define WM8991_CDMODE_BIT 8
+
+/*
+ * R37 (0x25) - ClassD3
+ */
+#define WM8991_DCGAIN_MASK 0x0007 /* DCGAIN - [5:3] */
+#define WM8991_DCGAIN_SHIFT 3
+#define WM8991_ACGAIN_MASK 0x0007 /* ACGAIN - [2:0] */
+#define WM8991_ACGAIN_SHIFT 0
+/*
+ * R39 (0x27) - Input Mixer1
+ */
+#define WM8991_AINLMODE_MASK 0x000C /* AINLMODE - [3:2] */
+#define WM8991_AINLMODE_SHIFT 2
+#define WM8991_AINRMODE_MASK 0x0003 /* AINRMODE - [1:0] */
+#define WM8991_AINRMODE_SHIFT 0
+
+/*
+ * R40 (0x28) - Input Mixer2
+ */
+#define WM8991_LMP4 0x0080 /* LMP4 */
+#define WM8991_LMP4_BIT 7 /* LMP4 */
+#define WM8991_LMN3 0x0040 /* LMN3 */
+#define WM8991_LMN3_BIT 6 /* LMN3 */
+#define WM8991_LMP2 0x0020 /* LMP2 */
+#define WM8991_LMP2_BIT 5 /* LMP2 */
+#define WM8991_LMN1 0x0010 /* LMN1 */
+#define WM8991_LMN1_BIT 4 /* LMN1 */
+#define WM8991_RMP4 0x0008 /* RMP4 */
+#define WM8991_RMP4_BIT 3 /* RMP4 */
+#define WM8991_RMN3 0x0004 /* RMN3 */
+#define WM8991_RMN3_BIT 2 /* RMN3 */
+#define WM8991_RMP2 0x0002 /* RMP2 */
+#define WM8991_RMP2_BIT 1 /* RMP2 */
+#define WM8991_RMN1 0x0001 /* RMN1 */
+#define WM8991_RMN1_BIT 0 /* RMN1 */
+
+/*
+ * R41 (0x29) - Input Mixer3
+ */
+#define WM8991_L34MNB 0x0100 /* L34MNB */
+#define WM8991_L34MNB_BIT 8
+#define WM8991_L34MNBST 0x0080 /* L34MNBST */
+#define WM8991_L34MNBST_BIT 7
+#define WM8991_L12MNB 0x0020 /* L12MNB */
+#define WM8991_L12MNB_BIT 5
+#define WM8991_L12MNBST 0x0010 /* L12MNBST */
+#define WM8991_L12MNBST_BIT 4
+#define WM8991_LDBVOL_MASK 0x0007 /* LDBVOL - [2:0] */
+#define WM8991_LDBVOL_SHIFT 0
+
+/*
+ * R42 (0x2A) - Input Mixer4
+ */
+#define WM8991_R34MNB 0x0100 /* R34MNB */
+#define WM8991_R34MNB_BIT 8
+#define WM8991_R34MNBST 0x0080 /* R34MNBST */
+#define WM8991_R34MNBST_BIT 7
+#define WM8991_R12MNB 0x0020 /* R12MNB */
+#define WM8991_R12MNB_BIT 5
+#define WM8991_R12MNBST 0x0010 /* R12MNBST */
+#define WM8991_R12MNBST_BIT 4
+#define WM8991_RDBVOL_MASK 0x0007 /* RDBVOL - [2:0] */
+#define WM8991_RDBVOL_SHIFT 0
+
+/*
+ * R43 (0x2B) - Input Mixer5
+ */
+#define WM8991_LI2BVOL_MASK 0x07 /* LI2BVOL - [8:6] */
+#define WM8991_LI2BVOL_SHIFT 6
+#define WM8991_LR4BVOL_MASK 0x07 /* LR4BVOL - [5:3] */
+#define WM8991_LR4BVOL_SHIFT 3
+#define WM8991_LL4BVOL_MASK 0x07 /* LL4BVOL - [2:0] */
+#define WM8991_LL4BVOL_SHIFT 0
+
+/*
+ * R44 (0x2C) - Input Mixer6
+ */
+#define WM8991_RI2BVOL_MASK 0x07 /* RI2BVOL - [8:6] */
+#define WM8991_RI2BVOL_SHIFT 6
+#define WM8991_RL4BVOL_MASK 0x07 /* RL4BVOL - [5:3] */
+#define WM8991_RL4BVOL_SHIFT 3
+#define WM8991_RR4BVOL_MASK 0x07 /* RR4BVOL - [2:0] */
+#define WM8991_RR4BVOL_SHIFT 0
+
+/*
+ * R45 (0x2D) - Output Mixer1
+ */
+#define WM8991_LRBLO 0x0080 /* LRBLO */
+#define WM8991_LRBLO_BIT 7
+#define WM8991_LLBLO 0x0040 /* LLBLO */
+#define WM8991_LLBLO_BIT 6
+#define WM8991_LRI3LO 0x0020 /* LRI3LO */
+#define WM8991_LRI3LO_BIT 5
+#define WM8991_LLI3LO 0x0010 /* LLI3LO */
+#define WM8991_LLI3LO_BIT 4
+#define WM8991_LR12LO 0x0008 /* LR12LO */
+#define WM8991_LR12LO_BIT 3
+#define WM8991_LL12LO 0x0004 /* LL12LO */
+#define WM8991_LL12LO_BIT 2
+#define WM8991_LDLO 0x0001 /* LDLO */
+#define WM8991_LDLO_BIT 0
+
+/*
+ * R46 (0x2E) - Output Mixer2
+ */
+#define WM8991_RLBRO 0x0080 /* RLBRO */
+#define WM8991_RLBRO_BIT 7
+#define WM8991_RRBRO 0x0040 /* RRBRO */
+#define WM8991_RRBRO_BIT 6
+#define WM8991_RLI3RO 0x0020 /* RLI3RO */
+#define WM8991_RLI3RO_BIT 5
+#define WM8991_RRI3RO 0x0010 /* RRI3RO */
+#define WM8991_RRI3RO_BIT 4
+#define WM8991_RL12RO 0x0008 /* RL12RO */
+#define WM8991_RL12RO_BIT 3
+#define WM8991_RR12RO 0x0004 /* RR12RO */
+#define WM8991_RR12RO_BIT 2
+#define WM8991_RDRO 0x0001 /* RDRO */
+#define WM8991_RDRO_BIT 0
+
+/*
+ * R47 (0x2F) - Output Mixer3
+ */
+#define WM8991_LLI3LOVOL_MASK 0x07 /* LLI3LOVOL - [8:6] */
+#define WM8991_LLI3LOVOL_SHIFT 6
+#define WM8991_LR12LOVOL_MASK 0x07 /* LR12LOVOL - [5:3] */
+#define WM8991_LR12LOVOL_SHIFT 3
+#define WM8991_LL12LOVOL_MASK 0x07 /* LL12LOVOL - [2:0] */
+#define WM8991_LL12LOVOL_SHIFT 0
+
+/*
+ * R48 (0x30) - Output Mixer4
+ */
+#define WM8991_RRI3ROVOL_MASK 0x07 /* RRI3ROVOL - [8:6] */
+#define WM8991_RRI3ROVOL_SHIFT 6
+#define WM8991_RL12ROVOL_MASK 0x07 /* RL12ROVOL - [5:3] */
+#define WM8991_RL12ROVOL_SHIFT 3
+#define WM8991_RR12ROVOL_MASK 0x07 /* RR12ROVOL - [2:0] */
+#define WM8991_RR12ROVOL_SHIFT 0
+
+/*
+ * R49 (0x31) - Output Mixer5
+ */
+#define WM8991_LRI3LOVOL_MASK 0x07 /* LRI3LOVOL - [8:6] */
+#define WM8991_LRI3LOVOL_SHIFT 6
+#define WM8991_LRBLOVOL_MASK 0x07 /* LRBLOVOL - [5:3] */
+#define WM8991_LRBLOVOL_SHIFT 3
+#define WM8991_LLBLOVOL_MASK 0x07 /* LLBLOVOL - [2:0] */
+#define WM8991_LLBLOVOL_SHIFT 0
+
+/*
+ * R50 (0x32) - Output Mixer6
+ */
+#define WM8991_RLI3ROVOL_MASK 0x07 /* RLI3ROVOL - [8:6] */
+#define WM8991_RLI3ROVOL_SHIFT 6
+#define WM8991_RLBROVOL_MASK 0x07 /* RLBROVOL - [5:3] */
+#define WM8991_RLBROVOL_SHIFT 3
+#define WM8991_RRBROVOL_MASK 0x07 /* RRBROVOL - [2:0] */
+#define WM8991_RRBROVOL_SHIFT 0
+
+/*
+ * R51 (0x33) - Out3/4 Mixer
+ */
+#define WM8991_VSEL_MASK 0x0180 /* VSEL - [8:7] */
+#define WM8991_LI4O3 0x0020 /* LI4O3 */
+#define WM8991_LI4O3_BIT 5
+#define WM8991_LPGAO3 0x0010 /* LPGAO3 */
+#define WM8991_LPGAO3_BIT 4
+#define WM8991_RI4O4 0x0002 /* RI4O4 */
+#define WM8991_RI4O4_BIT 1
+#define WM8991_RPGAO4 0x0001 /* RPGAO4 */
+#define WM8991_RPGAO4_BIT 0
+/*
+ * R52 (0x34) - Line Mixer1
+ */
+#define WM8991_LLOPGALON 0x0040 /* LLOPGALON */
+#define WM8991_LLOPGALON_BIT 6
+#define WM8991_LROPGALON 0x0020 /* LROPGALON */
+#define WM8991_LROPGALON_BIT 5
+#define WM8991_LOPLON 0x0010 /* LOPLON */
+#define WM8991_LOPLON_BIT 4
+#define WM8991_LR12LOP 0x0004 /* LR12LOP */
+#define WM8991_LR12LOP_BIT 2
+#define WM8991_LL12LOP 0x0002 /* LL12LOP */
+#define WM8991_LL12LOP_BIT 1
+#define WM8991_LLOPGALOP 0x0001 /* LLOPGALOP */
+#define WM8991_LLOPGALOP_BIT 0
+/*
+ * R53 (0x35) - Line Mixer2
+ */
+#define WM8991_RROPGARON 0x0040 /* RROPGARON */
+#define WM8991_RROPGARON_BIT 6
+#define WM8991_RLOPGARON 0x0020 /* RLOPGARON */
+#define WM8991_RLOPGARON_BIT 5
+#define WM8991_ROPRON 0x0010 /* ROPRON */
+#define WM8991_ROPRON_BIT 4
+#define WM8991_RL12ROP 0x0004 /* RL12ROP */
+#define WM8991_RL12ROP_BIT 2
+#define WM8991_RR12ROP 0x0002 /* RR12ROP */
+#define WM8991_RR12ROP_BIT 1
+#define WM8991_RROPGAROP 0x0001 /* RROPGAROP */
+#define WM8991_RROPGAROP_BIT 0
+
+/*
+ * R54 (0x36) - Speaker Mixer
+ */
+#define WM8991_LB2SPK 0x0080 /* LB2SPK */
+#define WM8991_LB2SPK_BIT 7
+#define WM8991_RB2SPK 0x0040 /* RB2SPK */
+#define WM8991_RB2SPK_BIT 6
+#define WM8991_LI2SPK 0x0020 /* LI2SPK */
+#define WM8991_LI2SPK_BIT 5
+#define WM8991_RI2SPK 0x0010 /* RI2SPK */
+#define WM8991_RI2SPK_BIT 4
+#define WM8991_LOPGASPK 0x0008 /* LOPGASPK */
+#define WM8991_LOPGASPK_BIT 3
+#define WM8991_ROPGASPK 0x0004 /* ROPGASPK */
+#define WM8991_ROPGASPK_BIT 2
+#define WM8991_LDSPK 0x0002 /* LDSPK */
+#define WM8991_LDSPK_BIT 1
+#define WM8991_RDSPK 0x0001 /* RDSPK */
+#define WM8991_RDSPK_BIT 0
+
+/*
+ * R55 (0x37) - Additional Control
+ */
+#define WM8991_VROI 0x0001 /* VROI */
+
+/*
+ * R56 (0x38) - AntiPOP1
+ */
+#define WM8991_DIS_LLINE 0x0020 /* DIS_LLINE */
+#define WM8991_DIS_RLINE 0x0010 /* DIS_RLINE */
+#define WM8991_DIS_OUT3 0x0008 /* DIS_OUT3 */
+#define WM8991_DIS_OUT4 0x0004 /* DIS_OUT4 */
+#define WM8991_DIS_LOUT 0x0002 /* DIS_LOUT */
+#define WM8991_DIS_ROUT 0x0001 /* DIS_ROUT */
+
+/*
+ * R57 (0x39) - AntiPOP2
+ */
+#define WM8991_SOFTST 0x0040 /* SOFTST */
+#define WM8991_BUFIOEN 0x0008 /* BUFIOEN */
+#define WM8991_BUFDCOPEN 0x0004 /* BUFDCOPEN */
+#define WM8991_POBCTRL 0x0002 /* POBCTRL */
+#define WM8991_VMIDTOG 0x0001 /* VMIDTOG */
+
+/*
+ * R58 (0x3A) - MICBIAS
+ */
+#define WM8991_MCDSCTH_MASK 0x00C0 /* MCDSCTH - [7:6] */
+#define WM8991_MCDTHR_MASK 0x0038 /* MCDTHR - [5:3] */
+#define WM8991_MCD 0x0004 /* MCD */
+#define WM8991_MBSEL 0x0001 /* MBSEL */
+
+/*
+ * R60 (0x3C) - PLL1
+ */
+#define WM8991_SDM 0x0080 /* SDM */
+#define WM8991_PRESCALE 0x0040 /* PRESCALE */
+#define WM8991_PLLN_MASK 0x000F /* PLLN - [3:0] */
+
+/*
+ * R61 (0x3D) - PLL2
+ */
+#define WM8991_PLLK1_MASK 0x00FF /* PLLK1 - [7:0] */
+
+/*
+ * R62 (0x3E) - PLL3
+ */
+#define WM8991_PLLK2_MASK 0x00FF /* PLLK2 - [7:0] */
+
+/*
+ * R63 (0x3F) - Internal Driver Bits
+ */
+#define WM8991_INMIXL_PWR_BIT 0
+#define WM8991_AINLMUX_PWR_BIT 1
+#define WM8991_INMIXR_PWR_BIT 2
+#define WM8991_AINRMUX_PWR_BIT 3
+
+#define WM8991_MCLK_DIV 0
+#define WM8991_DACCLK_DIV 1
+#define WM8991_ADCCLK_DIV 2
+#define WM8991_BCLK_DIV 3
+
+#define SOC_WM899X_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert,\
+ tlv_array) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
+ SNDRV_CTL_ELEM_ACCESS_READWRITE,\
+ .tlv.p = (tlv_array), \
+ .info = snd_soc_info_volsw, \
+ .get = snd_soc_get_volsw, .put = wm899x_outpga_put_volsw_vu, \
+ .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
+
+#endif /* _WM8991_H */
int fll_src;
};
-static int wm8993_volatile(unsigned int reg)
+static int wm8993_volatile(struct snd_soc_codec *codec, unsigned int reg)
{
switch (reg) {
case WM8993_SOFTWARE_RESET:
struct wm8994_pdata *pdata;
};
-static int wm8994_readable(unsigned int reg)
+static int wm8994_readable(struct snd_soc_codec *codec, unsigned int reg)
{
switch (reg) {
case WM8994_GPIO_1:
return wm8994_access_masks[reg].readable != 0;
}
-static int wm8994_volatile(unsigned int reg)
+static int wm8994_volatile(struct snd_soc_codec *codec, unsigned int reg)
{
if (reg >= WM8994_CACHE_SIZE)
return 1;
BUG_ON(reg > WM8994_MAX_REGISTER);
- if (!wm8994_volatile(reg)) {
+ if (!wm8994_volatile(codec, reg)) {
ret = snd_soc_cache_write(codec, reg, value);
if (ret != 0)
dev_err(codec->dev, "Cache write to %x failed: %d\n",
BUG_ON(reg > WM8994_MAX_REGISTER);
- if (!wm8994_volatile(reg) && wm8994_readable(reg) &&
+ if (!wm8994_volatile(codec, reg) && wm8994_readable(codec, reg) &&
reg < codec->driver->reg_cache_size) {
ret = snd_soc_cache_read(codec, reg, &val);
if (ret >= 0)
/* Read our current status back from the chip - we don't want to
* reset as this may interfere with the GPIO or LDO operation. */
for (i = 0; i < WM8994_CACHE_SIZE; i++) {
- if (!wm8994_readable(i) || wm8994_volatile(i))
+ if (!wm8994_readable(codec, i) || wm8994_volatile(codec, i))
continue;
ret = wm8994_reg_read(codec->control_data, i);
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/spi/spi.h>
+#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include "wm8995.h"
+#define WM8995_NUM_SUPPLIES 8
+static const char *wm8995_supply_names[WM8995_NUM_SUPPLIES] = {
+ "DCVDD",
+ "DBVDD1",
+ "DBVDD2",
+ "DBVDD3",
+ "AVDD1",
+ "AVDD2",
+ "CPVDD",
+ "MICVDD"
+};
+
static const u16 wm8995_reg_defs[WM8995_MAX_REGISTER + 1] = {
[0] = 0x8995, [5] = 0x0100, [16] = 0x000b, [17] = 0x000b,
[24] = 0x02c0, [25] = 0x02c0, [26] = 0x02c0, [27] = 0x02c0,
int mclk[2];
int aifclk[2];
struct fll_config fll[2], fll_suspend[2];
+ struct regulator_bulk_data supplies[WM8995_NUM_SUPPLIES];
+ struct notifier_block disable_nb[WM8995_NUM_SUPPLIES];
+ struct snd_soc_codec *codec;
};
+/*
+ * We can't use the same notifier block for more than one supply and
+ * there's no way I can see to get from a callback to the caller
+ * except container_of().
+ */
+#define WM8995_REGULATOR_EVENT(n) \
+static int wm8995_regulator_event_##n(struct notifier_block *nb, \
+ unsigned long event, void *data) \
+{ \
+ struct wm8995_priv *wm8995 = container_of(nb, struct wm8995_priv, \
+ disable_nb[n]); \
+ if (event & REGULATOR_EVENT_DISABLE) { \
+ wm8995->codec->cache_sync = 1; \
+ } \
+ return 0; \
+}
+
+WM8995_REGULATOR_EVENT(0)
+WM8995_REGULATOR_EVENT(1)
+WM8995_REGULATOR_EVENT(2)
+WM8995_REGULATOR_EVENT(3)
+WM8995_REGULATOR_EVENT(4)
+WM8995_REGULATOR_EVENT(5)
+WM8995_REGULATOR_EVENT(6)
+WM8995_REGULATOR_EVENT(7)
+
static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
static const DECLARE_TLV_DB_SCALE(in1lr_pga_tlv, -1650, 150, 0);
static const DECLARE_TLV_DB_SCALE(in1l_boost_tlv, 0, 600, 0);
{ "SPK2R", NULL, "SPK2R Driver" }
};
-static int wm8995_volatile(unsigned int reg)
+static int wm8995_volatile(struct snd_soc_codec *codec, unsigned int reg)
{
/* out of bounds registers are generally considered
* volatile to support register banks that are partially
break;
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+ ret = regulator_bulk_enable(ARRAY_SIZE(wm8995->supplies),
+ wm8995->supplies);
+ if (ret)
+ return ret;
+
ret = snd_soc_cache_sync(codec);
if (ret) {
dev_err(codec->dev,
snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
WM8995_BG_ENA_MASK, WM8995_BG_ENA);
-
}
break;
case SND_SOC_BIAS_OFF:
snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
WM8995_BG_ENA_MASK, 0);
+ regulator_bulk_disable(ARRAY_SIZE(wm8995->supplies),
+ wm8995->supplies);
break;
}
static int wm8995_probe(struct snd_soc_codec *codec)
{
struct wm8995_priv *wm8995;
+ int i;
int ret;
codec->dapm.idle_bias_off = 1;
wm8995 = snd_soc_codec_get_drvdata(codec);
+ wm8995->codec = codec;
ret = snd_soc_codec_set_cache_io(codec, 16, 16, wm8995->control_type);
if (ret < 0) {
return ret;
}
+ for (i = 0; i < ARRAY_SIZE(wm8995->supplies); i++)
+ wm8995->supplies[i].supply = wm8995_supply_names[i];
+
+ ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8995->supplies),
+ wm8995->supplies);
+ if (ret) {
+ dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
+ return ret;
+ }
+
+ wm8995->disable_nb[0].notifier_call = wm8995_regulator_event_0;
+ wm8995->disable_nb[1].notifier_call = wm8995_regulator_event_1;
+ wm8995->disable_nb[2].notifier_call = wm8995_regulator_event_2;
+ wm8995->disable_nb[3].notifier_call = wm8995_regulator_event_3;
+ wm8995->disable_nb[4].notifier_call = wm8995_regulator_event_4;
+ wm8995->disable_nb[5].notifier_call = wm8995_regulator_event_5;
+ wm8995->disable_nb[6].notifier_call = wm8995_regulator_event_6;
+ wm8995->disable_nb[7].notifier_call = wm8995_regulator_event_7;
+
+ /* This should really be moved into the regulator core */
+ for (i = 0; i < ARRAY_SIZE(wm8995->supplies); i++) {
+ ret = regulator_register_notifier(wm8995->supplies[i].consumer,
+ &wm8995->disable_nb[i]);
+ if (ret) {
+ dev_err(codec->dev,
+ "Failed to register regulator notifier: %d\n",
+ ret);
+ }
+ }
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(wm8995->supplies),
+ wm8995->supplies);
+ if (ret) {
+ dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
+ goto err_reg_get;
+ }
+
ret = snd_soc_read(codec, WM8995_SOFTWARE_RESET);
if (ret < 0) {
dev_err(codec->dev, "Failed to read device ID: %d\n", ret);
- return ret;
+ goto err_reg_enable;
}
if (ret != 0x8995) {
dev_err(codec->dev, "Invalid device ID: %#x\n", ret);
- return -EINVAL;
+ goto err_reg_enable;
}
ret = snd_soc_write(codec, WM8995_SOFTWARE_RESET, 0);
if (ret < 0) {
dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
- return ret;
+ goto err_reg_enable;
}
wm8995_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
ARRAY_SIZE(wm8995_intercon));
return 0;
+
+err_reg_enable:
+ regulator_bulk_disable(ARRAY_SIZE(wm8995->supplies), wm8995->supplies);
+err_reg_get:
+ regulator_bulk_free(ARRAY_SIZE(wm8995->supplies), wm8995->supplies);
+ return ret;
}
#define WM8995_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
struct wm9081_retune_mobile_config *retune;
};
-static int wm9081_volatile_register(unsigned int reg)
+static int wm9081_volatile_register(struct snd_soc_codec *codec, unsigned int reg)
{
switch (reg) {
case WM9081_SOFTWARE_RESET:
void *control_data;
};
-static int wm9090_volatile(unsigned int reg)
+static int wm9090_volatile(struct snd_soc_codec *codec, unsigned int reg)
{
switch (reg) {
case WM9090_SOFTWARE_RESET:
for (i = 1; i < codec->driver->reg_cache_size; i++) {
if (reg_cache[i] == wm9090_reg_defaults[i])
continue;
- if (wm9090_volatile(i))
+ if (wm9090_volatile(codec, i))
continue;
ret = snd_soc_write(codec, i, reg_cache[i]);
static int wm9090_probe(struct snd_soc_codec *codec)
{
struct wm9090_priv *wm9090 = snd_soc_codec_get_drvdata(codec);
- u16 *reg_cache = codec->reg_cache;
int ret;
codec->control_data = wm9090->control_data;
/* Configure some defaults; they will be written out when we
* bring the bias up.
*/
- reg_cache[WM9090_IN1_LINE_INPUT_A_VOLUME] |= WM9090_IN1_VU
- | WM9090_IN1A_ZC;
- reg_cache[WM9090_IN1_LINE_INPUT_B_VOLUME] |= WM9090_IN1_VU
- | WM9090_IN1B_ZC;
- reg_cache[WM9090_IN2_LINE_INPUT_A_VOLUME] |= WM9090_IN2_VU
- | WM9090_IN2A_ZC;
- reg_cache[WM9090_IN2_LINE_INPUT_B_VOLUME] |= WM9090_IN2_VU
- | WM9090_IN2B_ZC;
- reg_cache[WM9090_SPEAKER_VOLUME_LEFT] |=
- WM9090_SPKOUT_VU | WM9090_SPKOUTL_ZC;
- reg_cache[WM9090_LEFT_OUTPUT_VOLUME] |=
- WM9090_HPOUT1_VU | WM9090_HPOUT1L_ZC;
- reg_cache[WM9090_RIGHT_OUTPUT_VOLUME] |=
- WM9090_HPOUT1_VU | WM9090_HPOUT1R_ZC;
-
- reg_cache[WM9090_CLOCKING_1] |= WM9090_TOCLK_ENA;
+ snd_soc_update_bits(codec, WM9090_IN1_LINE_INPUT_A_VOLUME,
+ WM9090_IN1_VU | WM9090_IN1A_ZC,
+ WM9090_IN1_VU | WM9090_IN1A_ZC);
+ snd_soc_update_bits(codec, WM9090_IN1_LINE_INPUT_B_VOLUME,
+ WM9090_IN1_VU | WM9090_IN1B_ZC,
+ WM9090_IN1_VU | WM9090_IN1B_ZC);
+ snd_soc_update_bits(codec, WM9090_IN2_LINE_INPUT_A_VOLUME,
+ WM9090_IN2_VU | WM9090_IN2A_ZC,
+ WM9090_IN2_VU | WM9090_IN2A_ZC);
+ snd_soc_update_bits(codec, WM9090_IN2_LINE_INPUT_B_VOLUME,
+ WM9090_IN2_VU | WM9090_IN2B_ZC,
+ WM9090_IN2_VU | WM9090_IN2B_ZC);
+ snd_soc_update_bits(codec, WM9090_SPEAKER_VOLUME_LEFT,
+ WM9090_SPKOUT_VU | WM9090_SPKOUTL_ZC,
+ WM9090_SPKOUT_VU | WM9090_SPKOUTL_ZC);
+ snd_soc_update_bits(codec, WM9090_LEFT_OUTPUT_VOLUME,
+ WM9090_HPOUT1_VU | WM9090_HPOUT1L_ZC,
+ WM9090_HPOUT1_VU | WM9090_HPOUT1L_ZC);
+ snd_soc_update_bits(codec, WM9090_RIGHT_OUTPUT_VOLUME,
+ WM9090_HPOUT1_VU | WM9090_HPOUT1R_ZC,
+ WM9090_HPOUT1_VU | WM9090_HPOUT1R_ZC);
+
+ snd_soc_update_bits(codec, WM9090_CLOCKING_1,
+ WM9090_TOCLK_ENA, WM9090_TOCLK_ENA);
wm9090_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
help
Say Y or M here if you want to add support for AC97 audio on the
Simplemachines Sim.One board.
+
+config SND_EP93XX_SOC_EDB93XX
+ tristate "SoC Audio support for Cirrus Logic EDB93xx boards"
+ depends on SND_EP93XX_SOC && (MACH_EDB9301 || MACH_EDB9302 || MACH_EDB9302A || MACH_EDB9307A || MACH_EDB9315A)
+ select SND_EP93XX_SOC_I2S
+ select SND_SOC_CS4271
+ help
+ Say Y or M here if you want to add support for I2S audio on the
+ Cirrus Logic EDB93xx boards.
# EP93XX Machine Support
snd-soc-snappercl15-objs := snappercl15.o
snd-soc-simone-objs := simone.o
+snd-soc-edb93xx-objs := edb93xx.o
obj-$(CONFIG_SND_EP93XX_SOC_SNAPPERCL15) += snd-soc-snappercl15.o
obj-$(CONFIG_SND_EP93XX_SOC_SIMONE) += snd-soc-simone.o
+obj-$(CONFIG_SND_EP93XX_SOC_EDB93XX) += snd-soc-edb93xx.o
--- /dev/null
+/*
+ * SoC audio for EDB93xx
+ *
+ * Copyright (c) 2010 Alexander Sverdlin <subaparts@yandex.ru>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * This driver support CS4271 codec being master or slave, working
+ * in control port mode, connected either via SPI or I2C.
+ * The data format accepted is I2S or left-justified.
+ * DAPM support not implemented.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+#include "ep93xx-pcm.h"
+
+#define edb93xx_has_audio() (machine_is_edb9301() || \
+ machine_is_edb9302() || \
+ machine_is_edb9302a() || \
+ machine_is_edb9307a() || \
+ machine_is_edb9315a())
+
+static int edb93xx_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ int err;
+ unsigned int rate = params_rate(params);
+ /*
+ * We set LRCLK equal to `rate' and SCLK = LRCLK * 64,
+ * because our sample size is 32 bit * 2 channels.
+ * I2S standard permits us to transmit more bits than
+ * the codec uses.
+ * MCLK = SCLK * 4 is the best recommended value,
+ * but we have to fall back to ratio 2 for higher
+ * sample rates.
+ */
+ unsigned int mclk_rate = rate * 64 * ((rate <= 48000) ? 4 : 2);
+
+ err = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_IF |
+ SND_SOC_DAIFMT_CBS_CFS);
+ if (err)
+ return err;
+
+ err = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_IF |
+ SND_SOC_DAIFMT_CBS_CFS);
+ if (err)
+ return err;
+
+ err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk_rate,
+ SND_SOC_CLOCK_IN);
+ if (err)
+ return err;
+
+ return snd_soc_dai_set_sysclk(cpu_dai, 0, mclk_rate,
+ SND_SOC_CLOCK_OUT);
+}
+
+static struct snd_soc_ops edb93xx_ops = {
+ .hw_params = edb93xx_hw_params,
+};
+
+static struct snd_soc_dai_link edb93xx_dai = {
+ .name = "CS4271",
+ .stream_name = "CS4271 HiFi",
+ .platform_name = "ep93xx-pcm-audio",
+ .cpu_dai_name = "ep93xx-i2s",
+ .codec_name = "spi0.0",
+ .codec_dai_name = "cs4271-hifi",
+ .ops = &edb93xx_ops,
+};
+
+static struct snd_soc_card snd_soc_edb93xx = {
+ .name = "EDB93XX",
+ .dai_link = &edb93xx_dai,
+ .num_links = 1,
+};
+
+static struct platform_device *edb93xx_snd_device;
+
+static int __init edb93xx_init(void)
+{
+ int ret;
+
+ if (!edb93xx_has_audio())
+ return -ENODEV;
+
+ ret = ep93xx_i2s_acquire(EP93XX_SYSCON_DEVCFG_I2SONAC97,
+ EP93XX_SYSCON_I2SCLKDIV_ORIDE |
+ EP93XX_SYSCON_I2SCLKDIV_SPOL);
+ if (ret)
+ return ret;
+
+ edb93xx_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!edb93xx_snd_device) {
+ ret = -ENOMEM;
+ goto free_i2s;
+ }
+
+ platform_set_drvdata(edb93xx_snd_device, &snd_soc_edb93xx);
+ ret = platform_device_add(edb93xx_snd_device);
+ if (ret)
+ goto device_put;
+
+ return 0;
+
+device_put:
+ platform_device_put(edb93xx_snd_device);
+free_i2s:
+ ep93xx_i2s_release();
+ return ret;
+}
+module_init(edb93xx_init);
+
+static void __exit edb93xx_exit(void)
+{
+ platform_device_unregister(edb93xx_snd_device);
+ ep93xx_i2s_release();
+}
+module_exit(edb93xx_exit);
+
+MODULE_AUTHOR("Alexander Sverdlin <subaparts@yandex.ru>");
+MODULE_DESCRIPTION("ALSA SoC EDB93xx");
+MODULE_LICENSE("GPL");
--- /dev/null
+config SND_MFLD_MACHINE
+ tristate "SOC Machine Audio driver for Intel Medfield MID platform"
+ depends on INTEL_SCU_IPC
+ select SND_SOC_SN95031
+ select SND_SST_PLATFORM
+ help
+ This adds support for ASoC machine driver for Intel(R) MID Medfield platform
+ used as alsa device in audio substem in Intel(R) MID devices
+ Say Y if you have such a device
+ If unsure select "N".
+
+config SND_SST_PLATFORM
+ tristate
+ depends on SND_INTEL_SST
--- /dev/null
+snd-soc-sst-platform-objs := sst_platform.o
+snd-soc-mfld-machine-objs := mfld_machine.o
+
+obj-$(CONFIG_SND_SST_PLATFORM) += snd-soc-sst-platform.o
+obj-$(CONFIG_SND_MFLD_MACHINE) += snd-soc-mfld-machine.o
--- /dev/null
+/*
+ * mfld_machine.c - ASoc Machine driver for Intel Medfield MID platform
+ *
+ * Copyright (C) 2010 Intel Corp
+ * Author: Vinod Koul <vinod.koul@intel.com>
+ * Author: Harsha Priya <priya.harsha@intel.com>
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/slab.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include "../codecs/sn95031.h"
+
+#define MID_MONO 1
+#define MID_STEREO 2
+#define MID_MAX_CAP 5
+
+static unsigned int hs_switch;
+static unsigned int lo_dac;
+
+/* sound card controls */
+static const char *headset_switch_text[] = {"Earpiece", "Headset"};
+
+static const char *lo_text[] = {"Vibra", "Headset", "IHF", "None"};
+
+static const struct soc_enum headset_enum =
+ SOC_ENUM_SINGLE_EXT(2, headset_switch_text);
+
+static const struct soc_enum lo_enum =
+ SOC_ENUM_SINGLE_EXT(4, lo_text);
+
+static int headset_get_switch(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = hs_switch;
+ return 0;
+}
+
+static int headset_set_switch(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (ucontrol->value.integer.value[0] == hs_switch)
+ return 0;
+
+ if (ucontrol->value.integer.value[0]) {
+ pr_debug("hs_set HS path\n");
+ snd_soc_dapm_enable_pin(&codec->dapm, "HPOUTL");
+ snd_soc_dapm_enable_pin(&codec->dapm, "HPOUTR");
+ snd_soc_dapm_disable_pin(&codec->dapm, "EPOUT");
+ } else {
+ pr_debug("hs_set EP path\n");
+ snd_soc_dapm_disable_pin(&codec->dapm, "HPOUTL");
+ snd_soc_dapm_disable_pin(&codec->dapm, "HPOUTR");
+ snd_soc_dapm_enable_pin(&codec->dapm, "EPOUT");
+ }
+ snd_soc_dapm_sync(&codec->dapm);
+ hs_switch = ucontrol->value.integer.value[0];
+
+ return 0;
+}
+
+static void lo_enable_out_pins(struct snd_soc_codec *codec)
+{
+ snd_soc_dapm_enable_pin(&codec->dapm, "IHFOUTL");
+ snd_soc_dapm_enable_pin(&codec->dapm, "IHFOUTR");
+ snd_soc_dapm_enable_pin(&codec->dapm, "LINEOUTL");
+ snd_soc_dapm_enable_pin(&codec->dapm, "LINEOUTR");
+ snd_soc_dapm_enable_pin(&codec->dapm, "VIB1OUT");
+ snd_soc_dapm_enable_pin(&codec->dapm, "VIB2OUT");
+ if (hs_switch) {
+ snd_soc_dapm_enable_pin(&codec->dapm, "HPOUTL");
+ snd_soc_dapm_enable_pin(&codec->dapm, "HPOUTR");
+ snd_soc_dapm_disable_pin(&codec->dapm, "EPOUT");
+ } else {
+ snd_soc_dapm_disable_pin(&codec->dapm, "HPOUTL");
+ snd_soc_dapm_disable_pin(&codec->dapm, "HPOUTR");
+ snd_soc_dapm_enable_pin(&codec->dapm, "EPOUT");
+ }
+}
+
+static int lo_get_switch(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = lo_dac;
+ return 0;
+}
+
+static int lo_set_switch(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (ucontrol->value.integer.value[0] == lo_dac)
+ return 0;
+
+ /* we dont want to work with last state of lineout so just enable all
+ * pins and then disable pins not required
+ */
+ lo_enable_out_pins(codec);
+ switch (ucontrol->value.integer.value[0]) {
+ case 0:
+ pr_debug("set vibra path\n");
+ snd_soc_dapm_disable_pin(&codec->dapm, "VIB1OUT");
+ snd_soc_dapm_disable_pin(&codec->dapm, "VIB2OUT");
+ snd_soc_update_bits(codec, SN95031_LOCTL, 0x66, 0);
+ break;
+
+ case 1:
+ pr_debug("set hs path\n");
+ snd_soc_dapm_disable_pin(&codec->dapm, "HPOUTL");
+ snd_soc_dapm_disable_pin(&codec->dapm, "HPOUTR");
+ snd_soc_dapm_disable_pin(&codec->dapm, "EPOUT");
+ snd_soc_update_bits(codec, SN95031_LOCTL, 0x66, 0x22);
+ break;
+
+ case 2:
+ pr_debug("set spkr path\n");
+ snd_soc_dapm_disable_pin(&codec->dapm, "IHFOUTL");
+ snd_soc_dapm_disable_pin(&codec->dapm, "IHFOUTR");
+ snd_soc_update_bits(codec, SN95031_LOCTL, 0x66, 0x44);
+ break;
+
+ case 3:
+ pr_debug("set null path\n");
+ snd_soc_dapm_disable_pin(&codec->dapm, "LINEOUTL");
+ snd_soc_dapm_disable_pin(&codec->dapm, "LINEOUTR");
+ snd_soc_update_bits(codec, SN95031_LOCTL, 0x66, 0x66);
+ break;
+ }
+ snd_soc_dapm_sync(&codec->dapm);
+ lo_dac = ucontrol->value.integer.value[0];
+ return 0;
+}
+
+static const struct snd_kcontrol_new mfld_snd_controls[] = {
+ SOC_ENUM_EXT("Playback Switch", headset_enum,
+ headset_get_switch, headset_set_switch),
+ SOC_ENUM_EXT("Lineout Mux", lo_enum,
+ lo_get_switch, lo_set_switch),
+};
+
+static int mfld_init(struct snd_soc_pcm_runtime *runtime)
+{
+ struct snd_soc_codec *codec = runtime->codec;
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
+ int ret_val;
+
+ ret_val = snd_soc_add_controls(codec, mfld_snd_controls,
+ ARRAY_SIZE(mfld_snd_controls));
+ if (ret_val) {
+ pr_err("soc_add_controls failed %d", ret_val);
+ return ret_val;
+ }
+ /* default is earpiece pin, userspace sets it explcitly */
+ snd_soc_dapm_disable_pin(dapm, "HPOUTL");
+ snd_soc_dapm_disable_pin(dapm, "HPOUTR");
+ /* default is lineout NC, userspace sets it explcitly */
+ snd_soc_dapm_disable_pin(dapm, "LINEOUTL");
+ snd_soc_dapm_disable_pin(dapm, "LINEOUTR");
+ lo_dac = 3;
+ hs_switch = 0;
+ return snd_soc_dapm_sync(dapm);
+}
+
+struct snd_soc_dai_link mfld_msic_dailink[] = {
+ {
+ .name = "Medfield Headset",
+ .stream_name = "Headset",
+ .cpu_dai_name = "Headset-cpu-dai",
+ .codec_dai_name = "SN95031 Headset",
+ .codec_name = "sn95031",
+ .platform_name = "sst-platform",
+ .init = mfld_init,
+ },
+ {
+ .name = "Medfield Speaker",
+ .stream_name = "Speaker",
+ .cpu_dai_name = "Speaker-cpu-dai",
+ .codec_dai_name = "SN95031 Speaker",
+ .codec_name = "sn95031",
+ .platform_name = "sst-platform",
+ .init = NULL,
+ },
+ {
+ .name = "Medfield Vibra",
+ .stream_name = "Vibra1",
+ .cpu_dai_name = "Vibra1-cpu-dai",
+ .codec_dai_name = "SN95031 Vibra1",
+ .codec_name = "sn95031",
+ .platform_name = "sst-platform",
+ .init = NULL,
+ },
+ {
+ .name = "Medfield Haptics",
+ .stream_name = "Vibra2",
+ .cpu_dai_name = "Vibra2-cpu-dai",
+ .codec_dai_name = "SN95031 Vibra2",
+ .codec_name = "sn95031",
+ .platform_name = "sst-platform",
+ .init = NULL,
+ },
+};
+
+/* SoC card */
+static struct snd_soc_card snd_soc_card_mfld = {
+ .name = "medfield_audio",
+ .dai_link = mfld_msic_dailink,
+ .num_links = ARRAY_SIZE(mfld_msic_dailink),
+};
+
+static int __devinit snd_mfld_mc_probe(struct platform_device *pdev)
+{
+ struct platform_device *socdev;
+ int ret_val = 0;
+
+ pr_debug("snd_mfld_mc_probe called\n");
+
+ socdev = platform_device_alloc("soc-audio", -1);
+ if (!socdev) {
+ pr_err("soc-audio device allocation failed\n");
+ return -ENOMEM;
+ }
+ platform_set_drvdata(socdev, &snd_soc_card_mfld);
+ ret_val = platform_device_add(socdev);
+ if (ret_val) {
+ pr_err("Unable to add soc-audio device, err %d\n", ret_val);
+ platform_device_put(socdev);
+ }
+
+ platform_set_drvdata(pdev, socdev);
+
+ pr_debug("successfully exited probe\n");
+ return ret_val;
+}
+
+static int __devexit snd_mfld_mc_remove(struct platform_device *pdev)
+{
+ struct platform_device *socdev = platform_get_drvdata(pdev);
+ pr_debug("snd_mfld_mc_remove called\n");
+
+ platform_device_unregister(socdev);
+ platform_set_drvdata(pdev, NULL);
+ return 0;
+}
+
+static struct platform_driver snd_mfld_mc_driver = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "msic_audio",
+ },
+ .probe = snd_mfld_mc_probe,
+ .remove = __devexit_p(snd_mfld_mc_remove),
+};
+
+static int __init snd_mfld_driver_init(void)
+{
+ pr_debug("snd_mfld_driver_init called\n");
+ return platform_driver_register(&snd_mfld_mc_driver);
+}
+module_init(snd_mfld_driver_init);
+
+static void __exit snd_mfld_driver_exit(void)
+{
+ pr_debug("snd_mfld_driver_exit called\n");
+ platform_driver_unregister(&snd_mfld_mc_driver);
+}
+module_exit(snd_mfld_driver_exit);
+
+MODULE_DESCRIPTION("ASoC Intel(R) MID Machine driver");
+MODULE_AUTHOR("Vinod Koul <vinod.koul@intel.com>");
+MODULE_AUTHOR("Harsha Priya <priya.harsha@intel.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:msic-audio");
--- /dev/null
+/*
+ * sst_platform.c - Intel MID Platform driver
+ *
+ * Copyright (C) 2010 Intel Corp
+ * Author: Vinod Koul <vinod.koul@intel.com>
+ * Author: Harsha Priya <priya.harsha@intel.com>
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ *
+ */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include "../../../drivers/staging/intel_sst/intel_sst_ioctl.h"
+#include "../../../drivers/staging/intel_sst/intel_sst.h"
+#include "sst_platform.h"
+
+static struct snd_pcm_hardware sst_platform_pcm_hw = {
+ .info = (SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_DOUBLE |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_RESUME |
+ SNDRV_PCM_INFO_MMAP|
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER |
+ SNDRV_PCM_INFO_SYNC_START),
+ .formats = (SNDRV_PCM_FMTBIT_S16 | SNDRV_PCM_FMTBIT_U16 |
+ SNDRV_PCM_FMTBIT_S24 | SNDRV_PCM_FMTBIT_U24 |
+ SNDRV_PCM_FMTBIT_S32 | SNDRV_PCM_FMTBIT_U32),
+ .rates = (SNDRV_PCM_RATE_8000|
+ SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000),
+ .rate_min = SST_MIN_RATE,
+ .rate_max = SST_MAX_RATE,
+ .channels_min = SST_MIN_CHANNEL,
+ .channels_max = SST_MAX_CHANNEL,
+ .buffer_bytes_max = SST_MAX_BUFFER,
+ .period_bytes_min = SST_MIN_PERIOD_BYTES,
+ .period_bytes_max = SST_MAX_PERIOD_BYTES,
+ .periods_min = SST_MIN_PERIODS,
+ .periods_max = SST_MAX_PERIODS,
+ .fifo_size = SST_FIFO_SIZE,
+};
+
+/* MFLD - MSIC */
+struct snd_soc_dai_driver sst_platform_dai[] = {
+{
+ .name = "Headset-cpu-dai",
+ .id = 0,
+ .playback = {
+ .channels_min = SST_STEREO,
+ .channels_max = SST_STEREO,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S24_LE,
+ },
+},
+{
+ .name = "Speaker-cpu-dai",
+ .id = 1,
+ .playback = {
+ .channels_min = SST_MONO,
+ .channels_max = SST_STEREO,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S24_LE,
+ },
+},
+{
+ .name = "Vibra1-cpu-dai",
+ .id = 2,
+ .playback = {
+ .channels_min = SST_MONO,
+ .channels_max = SST_MONO,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S24_LE,
+ },
+},
+{
+ .name = "Vibra2-cpu-dai",
+ .id = 3,
+ .playback = {
+ .channels_min = SST_MONO,
+ .channels_max = SST_STEREO,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S24_LE,
+ },
+},
+};
+
+/* helper functions */
+static inline void sst_set_stream_status(struct sst_runtime_stream *stream,
+ int state)
+{
+ spin_lock(&stream->status_lock);
+ stream->stream_status = state;
+ spin_unlock(&stream->status_lock);
+}
+
+static inline int sst_get_stream_status(struct sst_runtime_stream *stream)
+{
+ int state;
+
+ spin_lock(&stream->status_lock);
+ state = stream->stream_status;
+ spin_unlock(&stream->status_lock);
+ return state;
+}
+
+static void sst_fill_pcm_params(struct snd_pcm_substream *substream,
+ struct snd_sst_stream_params *param)
+{
+
+ param->uc.pcm_params.codec = SST_CODEC_TYPE_PCM;
+ param->uc.pcm_params.num_chan = (u8) substream->runtime->channels;
+ param->uc.pcm_params.pcm_wd_sz = substream->runtime->sample_bits;
+ param->uc.pcm_params.reserved = 0;
+ param->uc.pcm_params.sfreq = substream->runtime->rate;
+ param->uc.pcm_params.ring_buffer_size =
+ snd_pcm_lib_buffer_bytes(substream);
+ param->uc.pcm_params.period_count = substream->runtime->period_size;
+ param->uc.pcm_params.ring_buffer_addr =
+ virt_to_phys(substream->dma_buffer.area);
+ pr_debug("period_cnt = %d\n", param->uc.pcm_params.period_count);
+ pr_debug("sfreq= %d, wd_sz = %d\n",
+ param->uc.pcm_params.sfreq, param->uc.pcm_params.pcm_wd_sz);
+}
+
+static int sst_platform_alloc_stream(struct snd_pcm_substream *substream)
+{
+ struct sst_runtime_stream *stream =
+ substream->runtime->private_data;
+ struct snd_sst_stream_params param = {{{0,},},};
+ struct snd_sst_params str_params = {0};
+ int ret_val;
+
+ /* set codec params and inform SST driver the same */
+ sst_fill_pcm_params(substream, ¶m);
+ substream->runtime->dma_area = substream->dma_buffer.area;
+ str_params.sparams = param;
+ str_params.codec = param.uc.pcm_params.codec;
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ str_params.ops = STREAM_OPS_PLAYBACK;
+ str_params.device_type = substream->pcm->device + 1;
+ pr_debug("Playbck stream,Device %d\n",
+ substream->pcm->device);
+ } else {
+ str_params.ops = STREAM_OPS_CAPTURE;
+ str_params.device_type = SND_SST_DEVICE_CAPTURE;
+ pr_debug("Capture stream,Device %d\n",
+ substream->pcm->device);
+ }
+ ret_val = stream->sstdrv_ops->pcm_control->open(&str_params);
+ pr_debug("SST_SND_PLAY/CAPTURE ret_val = %x\n", ret_val);
+ if (ret_val < 0)
+ return ret_val;
+
+ stream->stream_info.str_id = ret_val;
+ pr_debug("str id : %d\n", stream->stream_info.str_id);
+ return ret_val;
+}
+
+static void sst_period_elapsed(void *mad_substream)
+{
+ struct snd_pcm_substream *substream = mad_substream;
+ struct sst_runtime_stream *stream;
+ int status;
+
+ if (!substream || !substream->runtime)
+ return;
+ stream = substream->runtime->private_data;
+ if (!stream)
+ return;
+ status = sst_get_stream_status(stream);
+ if (status != SST_PLATFORM_RUNNING)
+ return;
+ snd_pcm_period_elapsed(substream);
+}
+
+static int sst_platform_init_stream(struct snd_pcm_substream *substream)
+{
+ struct sst_runtime_stream *stream =
+ substream->runtime->private_data;
+ int ret_val;
+
+ pr_debug("setting buffer ptr param\n");
+ sst_set_stream_status(stream, SST_PLATFORM_INIT);
+ stream->stream_info.period_elapsed = sst_period_elapsed;
+ stream->stream_info.mad_substream = substream;
+ stream->stream_info.buffer_ptr = 0;
+ stream->stream_info.sfreq = substream->runtime->rate;
+ ret_val = stream->sstdrv_ops->pcm_control->device_control(
+ SST_SND_STREAM_INIT, &stream->stream_info);
+ if (ret_val)
+ pr_err("control_set ret error %d\n", ret_val);
+ return ret_val;
+
+}
+/* end -- helper functions */
+
+static int sst_platform_open(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime;
+ struct sst_runtime_stream *stream;
+ int ret_val = 0;
+
+ pr_debug("sst_platform_open called\n");
+ runtime = substream->runtime;
+ runtime->hw = sst_platform_pcm_hw;
+ stream = kzalloc(sizeof(*stream), GFP_KERNEL);
+ if (!stream)
+ return -ENOMEM;
+ spin_lock_init(&stream->status_lock);
+ stream->stream_info.str_id = 0;
+ sst_set_stream_status(stream, SST_PLATFORM_INIT);
+ stream->stream_info.mad_substream = substream;
+ /* allocate memory for SST API set */
+ stream->sstdrv_ops = kzalloc(sizeof(*stream->sstdrv_ops),
+ GFP_KERNEL);
+ if (!stream->sstdrv_ops) {
+ pr_err("sst: mem allocation for ops fail\n");
+ kfree(stream);
+ return -ENOMEM;
+ }
+ stream->sstdrv_ops->vendor_id = MSIC_VENDOR_ID;
+ /* registering with SST driver to get access to SST APIs to use */
+ ret_val = register_sst_card(stream->sstdrv_ops);
+ if (ret_val) {
+ pr_err("sst: sst card registration failed\n");
+ return ret_val;
+ }
+ runtime->private_data = stream;
+ return snd_pcm_hw_constraint_integer(runtime,
+ SNDRV_PCM_HW_PARAM_PERIODS);
+}
+
+static int sst_platform_close(struct snd_pcm_substream *substream)
+{
+ struct sst_runtime_stream *stream;
+ int ret_val = 0, str_id;
+
+ pr_debug("sst_platform_close called\n");
+ stream = substream->runtime->private_data;
+ str_id = stream->stream_info.str_id;
+ if (str_id)
+ ret_val = stream->sstdrv_ops->pcm_control->close(str_id);
+ kfree(stream->sstdrv_ops);
+ kfree(stream);
+ return ret_val;
+}
+
+static int sst_platform_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct sst_runtime_stream *stream;
+ int ret_val = 0, str_id;
+
+ pr_debug("sst_platform_pcm_prepare called\n");
+ stream = substream->runtime->private_data;
+ str_id = stream->stream_info.str_id;
+ if (stream->stream_info.str_id) {
+ ret_val = stream->sstdrv_ops->pcm_control->device_control(
+ SST_SND_DROP, &str_id);
+ return ret_val;
+ }
+
+ ret_val = sst_platform_alloc_stream(substream);
+ if (ret_val < 0)
+ return ret_val;
+ snprintf(substream->pcm->id, sizeof(substream->pcm->id),
+ "%d", stream->stream_info.str_id);
+
+ ret_val = sst_platform_init_stream(substream);
+ if (ret_val)
+ return ret_val;
+ substream->runtime->hw.info = SNDRV_PCM_INFO_BLOCK_TRANSFER;
+ return ret_val;
+}
+
+static int sst_platform_pcm_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ int ret_val = 0, str_id;
+ struct sst_runtime_stream *stream;
+ int str_cmd, status;
+
+ pr_debug("sst_platform_pcm_trigger called\n");
+ stream = substream->runtime->private_data;
+ str_id = stream->stream_info.str_id;
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ pr_debug("sst: Trigger Start\n");
+ str_cmd = SST_SND_START;
+ status = SST_PLATFORM_RUNNING;
+ stream->stream_info.mad_substream = substream;
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ pr_debug("sst: in stop\n");
+ str_cmd = SST_SND_DROP;
+ status = SST_PLATFORM_DROPPED;
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ pr_debug("sst: in pause\n");
+ str_cmd = SST_SND_PAUSE;
+ status = SST_PLATFORM_PAUSED;
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ pr_debug("sst: in pause release\n");
+ str_cmd = SST_SND_RESUME;
+ status = SST_PLATFORM_RUNNING;
+ break;
+ default:
+ return -EINVAL;
+ }
+ ret_val = stream->sstdrv_ops->pcm_control->device_control(str_cmd,
+ &str_id);
+ if (!ret_val)
+ sst_set_stream_status(stream, status);
+
+ return ret_val;
+}
+
+
+static snd_pcm_uframes_t sst_platform_pcm_pointer
+ (struct snd_pcm_substream *substream)
+{
+ struct sst_runtime_stream *stream;
+ int ret_val, status;
+ struct pcm_stream_info *str_info;
+
+ stream = substream->runtime->private_data;
+ status = sst_get_stream_status(stream);
+ if (status == SST_PLATFORM_INIT)
+ return 0;
+ str_info = &stream->stream_info;
+ ret_val = stream->sstdrv_ops->pcm_control->device_control(
+ SST_SND_BUFFER_POINTER, str_info);
+ if (ret_val) {
+ pr_err("sst: error code = %d\n", ret_val);
+ return ret_val;
+ }
+ return stream->stream_info.buffer_ptr;
+}
+
+
+static struct snd_pcm_ops sst_platform_ops = {
+ .open = sst_platform_open,
+ .close = sst_platform_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .prepare = sst_platform_pcm_prepare,
+ .trigger = sst_platform_pcm_trigger,
+ .pointer = sst_platform_pcm_pointer,
+};
+
+static void sst_pcm_free(struct snd_pcm *pcm)
+{
+ pr_debug("sst_pcm_free called\n");
+ snd_pcm_lib_preallocate_free_for_all(pcm);
+}
+
+int sst_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
+ struct snd_pcm *pcm)
+{
+ int retval = 0;
+
+ pr_debug("sst_pcm_new called\n");
+ if (dai->driver->playback.channels_min ||
+ dai->driver->capture.channels_min) {
+ retval = snd_pcm_lib_preallocate_pages_for_all(pcm,
+ SNDRV_DMA_TYPE_CONTINUOUS,
+ snd_dma_continuous_data(GFP_KERNEL),
+ SST_MIN_BUFFER, SST_MAX_BUFFER);
+ if (retval) {
+ pr_err("dma buffer allocationf fail\n");
+ return retval;
+ }
+ }
+ return retval;
+}
+struct snd_soc_platform_driver sst_soc_platform_drv = {
+ .ops = &sst_platform_ops,
+ .pcm_new = sst_pcm_new,
+ .pcm_free = sst_pcm_free,
+};
+
+static int sst_platform_probe(struct platform_device *pdev)
+{
+ int ret;
+
+ pr_debug("sst_platform_probe called\n");
+ ret = snd_soc_register_platform(&pdev->dev, &sst_soc_platform_drv);
+ if (ret) {
+ pr_err("registering soc platform failed\n");
+ return ret;
+ }
+
+ ret = snd_soc_register_dais(&pdev->dev,
+ sst_platform_dai, ARRAY_SIZE(sst_platform_dai));
+ if (ret) {
+ pr_err("registering cpu dais failed\n");
+ snd_soc_unregister_platform(&pdev->dev);
+ }
+ return ret;
+}
+
+static int sst_platform_remove(struct platform_device *pdev)
+{
+
+ snd_soc_unregister_dais(&pdev->dev, ARRAY_SIZE(sst_platform_dai));
+ snd_soc_unregister_platform(&pdev->dev);
+ pr_debug("sst_platform_remove sucess\n");
+ return 0;
+}
+
+static struct platform_driver sst_platform_driver = {
+ .driver = {
+ .name = "sst-platform",
+ .owner = THIS_MODULE,
+ },
+ .probe = sst_platform_probe,
+ .remove = sst_platform_remove,
+};
+
+static int __init sst_soc_platform_init(void)
+{
+ pr_debug("sst_soc_platform_init called\n");
+ return platform_driver_register(&sst_platform_driver);
+}
+module_init(sst_soc_platform_init);
+
+static void __exit sst_soc_platform_exit(void)
+{
+ platform_driver_unregister(&sst_platform_driver);
+ pr_debug("sst_soc_platform_exit sucess\n");
+}
+module_exit(sst_soc_platform_exit);
+
+MODULE_DESCRIPTION("ASoC Intel(R) MID Platform driver");
+MODULE_AUTHOR("Vinod Koul <vinod.koul@intel.com>");
+MODULE_AUTHOR("Harsha Priya <priya.harsha@intel.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:sst-platform");
--- /dev/null
+/*
+ * sst_platform.h - Intel MID Platform driver header file
+ *
+ * Copyright (C) 2010 Intel Corp
+ * Author: Vinod Koul <vinod.koul@intel.com>
+ * Author: Harsha Priya <priya.harsha@intel.com>
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ *
+ */
+
+#ifndef __SST_PLATFORMDRV_H__
+#define __SST_PLATFORMDRV_H__
+
+#define SST_MONO 1
+#define SST_STEREO 2
+#define SST_MAX_CAP 5
+
+#define SST_MIN_RATE 8000
+#define SST_MAX_RATE 48000
+#define SST_MIN_CHANNEL 1
+#define SST_MAX_CHANNEL 5
+#define SST_MAX_BUFFER (800*1024)
+#define SST_MIN_BUFFER (800*1024)
+#define SST_MIN_PERIOD_BYTES 32
+#define SST_MAX_PERIOD_BYTES SST_MAX_BUFFER
+#define SST_MIN_PERIODS 2
+#define SST_MAX_PERIODS (1024*2)
+#define SST_FIFO_SIZE 0
+#define SST_CARD_NAMES "intel_mid_card"
+#define MSIC_VENDOR_ID 3
+
+struct sst_runtime_stream {
+ int stream_status;
+ struct pcm_stream_info stream_info;
+ struct intel_sst_card_ops *sstdrv_ops;
+ spinlock_t status_lock;
+};
+
+enum sst_drv_status {
+ SST_PLATFORM_INIT = 1,
+ SST_PLATFORM_STARTED,
+ SST_PLATFORM_RUNNING,
+ SST_PLATFORM_PAUSED,
+ SST_PLATFORM_DROPPED,
+};
+
+#endif
* published by the Free Software Foundation.
*/
-#include <linux/init.h>
-#include <linux/module.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include <sound/soc.h>
-#include <plat/regs-ac97.h>
#include <mach/dma.h>
+#include <plat/regs-ac97.h>
#include <plat/audio.h>
#include "dma.h"
-#include "ac97.h"
#define AC_CMD_ADDR(x) (x << 16)
#define AC_CMD_DATA(x) (x & 0xffff)
+#define S3C_AC97_DAI_PCM 0
+#define S3C_AC97_DAI_MIC 1
+
struct s3c_ac97_info {
struct clk *ac97_clk;
void __iomem *regs;
+++ /dev/null
-/* sound/soc/samsung/ac97.h
- *
- * ALSA SoC Audio Layer - S3C AC97 Controller driver
- * Evolved from s3c2443-ac97.h
- *
- * Copyright (c) 2010 Samsung Electronics Co. Ltd
- * Author: Jaswinder Singh <jassi.brar@samsung.com>
- * Credits: Graeme Gregory, Sean Choi
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef __S3C_AC97_H_
-#define __S3C_AC97_H_
-
-#define S3C_AC97_DAI_PCM 0
-#define S3C_AC97_DAI_MIC 1
-
-#endif /* __S3C_AC97_H_ */
* option) any later version.
*/
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/dma-mapping.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
#include <sound/soc.h>
+#include <sound/pcm_params.h>
#include <asm/dma.h>
#include <mach/hardware.h>
#include "dma.h"
+#define ST_RUNNING (1<<0)
+#define ST_OPENED (1<<1)
+
static const struct snd_pcm_hardware dma_hardware = {
.info = SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
#ifndef _S3C_AUDIO_H
#define _S3C_AUDIO_H
-#define ST_RUNNING (1<<0)
-#define ST_OPENED (1<<1)
-
struct s3c_dma_params {
struct s3c2410_dma_client *client; /* stream identifier */
int channel; /* Channel ID */
int dma_size; /* Size of the DMA transfer */
};
-#define S3C24XX_DAI_I2S 0
-
-/* platform data */
-extern struct snd_ac97_bus_ops s3c24xx_ac97_ops;
-
#endif
*
*/
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/io.h>
-#include <linux/platform_device.h>
#include <sound/soc.h>
#include <sound/jack.h>
+
#include <asm/mach-types.h>
#include <mach/gpio.h>
-#include <mach/regs-clock.h>
-#include <linux/mfd/wm8994/core.h>
-#include <linux/mfd/wm8994/registers.h>
#include "../codecs/wm8994.h"
-#include "dma.h"
-#include "i2s.h"
#define MACHINE_NAME 0
#define CPU_VOICE_DAI 1
*
*/
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/platform_device.h>
-#include <linux/i2c.h>
#include <linux/gpio.h>
#include <sound/soc.h>
-#include <sound/uda1380.h>
#include <sound/jack.h>
#include <plat/regs-iis.h>
-
#include <mach/h1940-latch.h>
-
#include <asm/mach-types.h>
-#include "dma.h"
#include "s3c24xx-i2s.h"
-#include "../codecs/uda1380.h"
static unsigned int rates[] = {
11025,
#include <linux/clk.h>
#include <linux/io.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
#include <sound/soc.h>
+#include <sound/pcm_params.h>
#include <plat/audio.h>
* published by the Free Software Foundation.
*/
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/timer.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/clk.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
#include <sound/soc.h>
#include <asm/mach-types.h>
-#include "dma.h"
#include "s3c2412-i2s.h"
-
#include "../codecs/wm8750.h"
static const struct snd_soc_dapm_route audio_map[] = {
*
*/
-#include <linux/module.h>
-#include <linux/device.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
#include <sound/soc.h>
-#include "dma.h"
-#include "ac97.h"
-
static struct snd_soc_card ln2440sbc;
static struct snd_soc_dai_link ln2440sbc_dai[] = {
* option) any later version.
*/
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/timer.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
#include <linux/gpio.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
+
#include <sound/soc.h>
#include <asm/mach-types.h>
-
#include <plat/regs-iis.h>
-
-#include <mach/regs-clock.h>
-#include <asm/io.h>
#include <mach/gta02.h>
+
#include "../codecs/wm8753.h"
-#include "dma.h"
#include "s3c24xx-i2s.h"
static struct snd_soc_card neo1973_gta02;
* published by the Free Software Foundation.
*/
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/device.h>
-#include <linux/delay.h>
#include <linux/clk.h>
-#include <linux/kernel.h>
-#include <linux/gpio.h>
#include <linux/io.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/initval.h>
#include <sound/soc.h>
+#include <sound/pcm_params.h>
#include <plat/audio.h>
#include <plat/dma.h>
#include "dma.h"
#include "pcm.h"
+/*Register Offsets */
+#define S3C_PCM_CTL 0x00
+#define S3C_PCM_CLKCTL 0x04
+#define S3C_PCM_TXFIFO 0x08
+#define S3C_PCM_RXFIFO 0x0C
+#define S3C_PCM_IRQCTL 0x10
+#define S3C_PCM_IRQSTAT 0x14
+#define S3C_PCM_FIFOSTAT 0x18
+#define S3C_PCM_CLRINT 0x20
+
+/* PCM_CTL Bit-Fields */
+#define S3C_PCM_CTL_TXDIPSTICK_MASK 0x3f
+#define S3C_PCM_CTL_TXDIPSTICK_SHIFT 13
+#define S3C_PCM_CTL_RXDIPSTICK_MASK 0x3f
+#define S3C_PCM_CTL_RXDIPSTICK_SHIFT 7
+#define S3C_PCM_CTL_TXDMA_EN (0x1 << 6)
+#define S3C_PCM_CTL_RXDMA_EN (0x1 << 5)
+#define S3C_PCM_CTL_TXMSB_AFTER_FSYNC (0x1 << 4)
+#define S3C_PCM_CTL_RXMSB_AFTER_FSYNC (0x1 << 3)
+#define S3C_PCM_CTL_TXFIFO_EN (0x1 << 2)
+#define S3C_PCM_CTL_RXFIFO_EN (0x1 << 1)
+#define S3C_PCM_CTL_ENABLE (0x1 << 0)
+
+/* PCM_CLKCTL Bit-Fields */
+#define S3C_PCM_CLKCTL_SERCLK_EN (0x1 << 19)
+#define S3C_PCM_CLKCTL_SERCLKSEL_PCLK (0x1 << 18)
+#define S3C_PCM_CLKCTL_SCLKDIV_MASK 0x1ff
+#define S3C_PCM_CLKCTL_SYNCDIV_MASK 0x1ff
+#define S3C_PCM_CLKCTL_SCLKDIV_SHIFT 9
+#define S3C_PCM_CLKCTL_SYNCDIV_SHIFT 0
+
+/* PCM_TXFIFO Bit-Fields */
+#define S3C_PCM_TXFIFO_DVALID (0x1 << 16)
+#define S3C_PCM_TXFIFO_DATA_MSK (0xffff << 0)
+
+/* PCM_RXFIFO Bit-Fields */
+#define S3C_PCM_RXFIFO_DVALID (0x1 << 16)
+#define S3C_PCM_RXFIFO_DATA_MSK (0xffff << 0)
+
+/* PCM_IRQCTL Bit-Fields */
+#define S3C_PCM_IRQCTL_IRQEN (0x1 << 14)
+#define S3C_PCM_IRQCTL_WRDEN (0x1 << 12)
+#define S3C_PCM_IRQCTL_TXEMPTYEN (0x1 << 11)
+#define S3C_PCM_IRQCTL_TXALMSTEMPTYEN (0x1 << 10)
+#define S3C_PCM_IRQCTL_TXFULLEN (0x1 << 9)
+#define S3C_PCM_IRQCTL_TXALMSTFULLEN (0x1 << 8)
+#define S3C_PCM_IRQCTL_TXSTARVEN (0x1 << 7)
+#define S3C_PCM_IRQCTL_TXERROVRFLEN (0x1 << 6)
+#define S3C_PCM_IRQCTL_RXEMPTEN (0x1 << 5)
+#define S3C_PCM_IRQCTL_RXALMSTEMPTEN (0x1 << 4)
+#define S3C_PCM_IRQCTL_RXFULLEN (0x1 << 3)
+#define S3C_PCM_IRQCTL_RXALMSTFULLEN (0x1 << 2)
+#define S3C_PCM_IRQCTL_RXSTARVEN (0x1 << 1)
+#define S3C_PCM_IRQCTL_RXERROVRFLEN (0x1 << 0)
+
+/* PCM_IRQSTAT Bit-Fields */
+#define S3C_PCM_IRQSTAT_IRQPND (0x1 << 13)
+#define S3C_PCM_IRQSTAT_WRD_XFER (0x1 << 12)
+#define S3C_PCM_IRQSTAT_TXEMPTY (0x1 << 11)
+#define S3C_PCM_IRQSTAT_TXALMSTEMPTY (0x1 << 10)
+#define S3C_PCM_IRQSTAT_TXFULL (0x1 << 9)
+#define S3C_PCM_IRQSTAT_TXALMSTFULL (0x1 << 8)
+#define S3C_PCM_IRQSTAT_TXSTARV (0x1 << 7)
+#define S3C_PCM_IRQSTAT_TXERROVRFL (0x1 << 6)
+#define S3C_PCM_IRQSTAT_RXEMPT (0x1 << 5)
+#define S3C_PCM_IRQSTAT_RXALMSTEMPT (0x1 << 4)
+#define S3C_PCM_IRQSTAT_RXFULL (0x1 << 3)
+#define S3C_PCM_IRQSTAT_RXALMSTFULL (0x1 << 2)
+#define S3C_PCM_IRQSTAT_RXSTARV (0x1 << 1)
+#define S3C_PCM_IRQSTAT_RXERROVRFL (0x1 << 0)
+
+/* PCM_FIFOSTAT Bit-Fields */
+#define S3C_PCM_FIFOSTAT_TXCNT_MSK (0x3f << 14)
+#define S3C_PCM_FIFOSTAT_TXFIFOEMPTY (0x1 << 13)
+#define S3C_PCM_FIFOSTAT_TXFIFOALMSTEMPTY (0x1 << 12)
+#define S3C_PCM_FIFOSTAT_TXFIFOFULL (0x1 << 11)
+#define S3C_PCM_FIFOSTAT_TXFIFOALMSTFULL (0x1 << 10)
+#define S3C_PCM_FIFOSTAT_RXCNT_MSK (0x3f << 4)
+#define S3C_PCM_FIFOSTAT_RXFIFOEMPTY (0x1 << 3)
+#define S3C_PCM_FIFOSTAT_RXFIFOALMSTEMPTY (0x1 << 2)
+#define S3C_PCM_FIFOSTAT_RXFIFOFULL (0x1 << 1)
+#define S3C_PCM_FIFOSTAT_RXFIFOALMSTFULL (0x1 << 0)
+
+/**
+ * struct s3c_pcm_info - S3C PCM Controller information
+ * @dev: The parent device passed to use from the probe.
+ * @regs: The pointer to the device register block.
+ * @dma_playback: DMA information for playback channel.
+ * @dma_capture: DMA information for capture channel.
+ */
+struct s3c_pcm_info {
+ spinlock_t lock;
+ struct device *dev;
+ void __iomem *regs;
+
+ unsigned int sclk_per_fs;
+
+ /* Whether to keep PCMSCLK enabled even when idle(no active xfer) */
+ unsigned int idleclk;
+
+ struct clk *pclk;
+ struct clk *cclk;
+
+ struct s3c_dma_params *dma_playback;
+ struct s3c_dma_params *dma_capture;
+};
+
static struct s3c2410_dma_client s3c_pcm_dma_client_out = {
.name = "PCM Stereo out"
};
#ifndef __S3C_PCM_H
#define __S3C_PCM_H __FILE__
-/*Register Offsets */
-#define S3C_PCM_CTL (0x00)
-#define S3C_PCM_CLKCTL (0x04)
-#define S3C_PCM_TXFIFO (0x08)
-#define S3C_PCM_RXFIFO (0x0C)
-#define S3C_PCM_IRQCTL (0x10)
-#define S3C_PCM_IRQSTAT (0x14)
-#define S3C_PCM_FIFOSTAT (0x18)
-#define S3C_PCM_CLRINT (0x20)
-
-/* PCM_CTL Bit-Fields */
-#define S3C_PCM_CTL_TXDIPSTICK_MASK (0x3f)
-#define S3C_PCM_CTL_TXDIPSTICK_SHIFT (13)
-#define S3C_PCM_CTL_RXDIPSTICK_MASK (0x3f)
-#define S3C_PCM_CTL_RXDIPSTICK_SHIFT (7)
-#define S3C_PCM_CTL_TXDMA_EN (0x1<<6)
-#define S3C_PCM_CTL_RXDMA_EN (0x1<<5)
-#define S3C_PCM_CTL_TXMSB_AFTER_FSYNC (0x1<<4)
-#define S3C_PCM_CTL_RXMSB_AFTER_FSYNC (0x1<<3)
-#define S3C_PCM_CTL_TXFIFO_EN (0x1<<2)
-#define S3C_PCM_CTL_RXFIFO_EN (0x1<<1)
-#define S3C_PCM_CTL_ENABLE (0x1<<0)
-
-/* PCM_CLKCTL Bit-Fields */
-#define S3C_PCM_CLKCTL_SERCLK_EN (0x1<<19)
-#define S3C_PCM_CLKCTL_SERCLKSEL_PCLK (0x1<<18)
-#define S3C_PCM_CLKCTL_SCLKDIV_MASK (0x1ff)
-#define S3C_PCM_CLKCTL_SYNCDIV_MASK (0x1ff)
-#define S3C_PCM_CLKCTL_SCLKDIV_SHIFT (9)
-#define S3C_PCM_CLKCTL_SYNCDIV_SHIFT (0)
-
-/* PCM_TXFIFO Bit-Fields */
-#define S3C_PCM_TXFIFO_DVALID (0x1<<16)
-#define S3C_PCM_TXFIFO_DATA_MSK (0xffff<<0)
-
-/* PCM_RXFIFO Bit-Fields */
-#define S3C_PCM_RXFIFO_DVALID (0x1<<16)
-#define S3C_PCM_RXFIFO_DATA_MSK (0xffff<<0)
-
-/* PCM_IRQCTL Bit-Fields */
-#define S3C_PCM_IRQCTL_IRQEN (0x1<<14)
-#define S3C_PCM_IRQCTL_WRDEN (0x1<<12)
-#define S3C_PCM_IRQCTL_TXEMPTYEN (0x1<<11)
-#define S3C_PCM_IRQCTL_TXALMSTEMPTYEN (0x1<<10)
-#define S3C_PCM_IRQCTL_TXFULLEN (0x1<<9)
-#define S3C_PCM_IRQCTL_TXALMSTFULLEN (0x1<<8)
-#define S3C_PCM_IRQCTL_TXSTARVEN (0x1<<7)
-#define S3C_PCM_IRQCTL_TXERROVRFLEN (0x1<<6)
-#define S3C_PCM_IRQCTL_RXEMPTEN (0x1<<5)
-#define S3C_PCM_IRQCTL_RXALMSTEMPTEN (0x1<<4)
-#define S3C_PCM_IRQCTL_RXFULLEN (0x1<<3)
-#define S3C_PCM_IRQCTL_RXALMSTFULLEN (0x1<<2)
-#define S3C_PCM_IRQCTL_RXSTARVEN (0x1<<1)
-#define S3C_PCM_IRQCTL_RXERROVRFLEN (0x1<<0)
-
-/* PCM_IRQSTAT Bit-Fields */
-#define S3C_PCM_IRQSTAT_IRQPND (0x1<<13)
-#define S3C_PCM_IRQSTAT_WRD_XFER (0x1<<12)
-#define S3C_PCM_IRQSTAT_TXEMPTY (0x1<<11)
-#define S3C_PCM_IRQSTAT_TXALMSTEMPTY (0x1<<10)
-#define S3C_PCM_IRQSTAT_TXFULL (0x1<<9)
-#define S3C_PCM_IRQSTAT_TXALMSTFULL (0x1<<8)
-#define S3C_PCM_IRQSTAT_TXSTARV (0x1<<7)
-#define S3C_PCM_IRQSTAT_TXERROVRFL (0x1<<6)
-#define S3C_PCM_IRQSTAT_RXEMPT (0x1<<5)
-#define S3C_PCM_IRQSTAT_RXALMSTEMPT (0x1<<4)
-#define S3C_PCM_IRQSTAT_RXFULL (0x1<<3)
-#define S3C_PCM_IRQSTAT_RXALMSTFULL (0x1<<2)
-#define S3C_PCM_IRQSTAT_RXSTARV (0x1<<1)
-#define S3C_PCM_IRQSTAT_RXERROVRFL (0x1<<0)
-
-/* PCM_FIFOSTAT Bit-Fields */
-#define S3C_PCM_FIFOSTAT_TXCNT_MSK (0x3f<<14)
-#define S3C_PCM_FIFOSTAT_TXFIFOEMPTY (0x1<<13)
-#define S3C_PCM_FIFOSTAT_TXFIFOALMSTEMPTY (0x1<<12)
-#define S3C_PCM_FIFOSTAT_TXFIFOFULL (0x1<<11)
-#define S3C_PCM_FIFOSTAT_TXFIFOALMSTFULL (0x1<<10)
-#define S3C_PCM_FIFOSTAT_RXCNT_MSK (0x3f<<4)
-#define S3C_PCM_FIFOSTAT_RXFIFOEMPTY (0x1<<3)
-#define S3C_PCM_FIFOSTAT_RXFIFOALMSTEMPTY (0x1<<2)
-#define S3C_PCM_FIFOSTAT_RXFIFOFULL (0x1<<1)
-#define S3C_PCM_FIFOSTAT_RXFIFOALMSTFULL (0x1<<0)
-
#define S3C_PCM_CLKSRC_PCLK 0
#define S3C_PCM_CLKSRC_MUX 1
#define S3C_PCM_SCLK_PER_FS 0
-/**
- * struct s3c_pcm_info - S3C PCM Controller information
- * @dev: The parent device passed to use from the probe.
- * @regs: The pointer to the device register block.
- * @dma_playback: DMA information for playback channel.
- * @dma_capture: DMA information for capture channel.
- */
-struct s3c_pcm_info {
- spinlock_t lock;
- struct device *dev;
- void __iomem *regs;
-
- unsigned int sclk_per_fs;
-
- /* Whether to keep PCMSCLK enabled even when idle(no active xfer) */
- unsigned int idleclk;
-
- struct clk *pclk;
- struct clk *cclk;
-
- struct s3c_dma_params *dma_playback;
- struct s3c_dma_params *dma_capture;
-};
-
#endif /* __S3C_PCM_H */
*
*/
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/platform_device.h>
-#include <linux/i2c.h>
#include <linux/gpio.h>
-#include <linux/clk.h>
#include <sound/soc.h>
-#include <sound/uda1380.h>
#include <sound/jack.h>
#include <plat/regs-iis.h>
-
-#include <mach/regs-clock.h>
-
#include <asm/mach-types.h>
-#include "dma.h"
#include "s3c24xx-i2s.h"
-#include "../codecs/uda1380.h"
static int rx1950_uda1380_init(struct snd_soc_pcm_runtime *rtd);
static int rx1950_startup(struct snd_pcm_substream *substream);
#include <linux/clk.h>
#include <linux/io.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
#include <sound/soc.h>
+#include <sound/pcm_params.h>
#include <mach/dma.h>
* option) any later version.
*/
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/device.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/clk.h>
-#include <linux/kernel.h>
#include <linux/io.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/initval.h>
#include <sound/soc.h>
-#include <mach/hardware.h>
+#include <sound/pcm_params.h>
#include <mach/regs-gpio.h>
#include <mach/dma.h>
#include "regs-i2s-v2.h"
#include "s3c2412-i2s.h"
-#define S3C2412_I2S_DEBUG 0
-
static struct s3c2410_dma_client s3c2412_dma_client_out = {
.name = "I2S PCM Stereo out"
};
* option) any later version.
*/
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/device.h>
#include <linux/delay.h>
#include <linux/clk.h>
-#include <linux/jiffies.h>
#include <linux/io.h>
#include <linux/gpio.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/initval.h>
#include <sound/soc.h>
+#include <sound/pcm_params.h>
-#include <mach/hardware.h>
#include <mach/regs-gpio.h>
-#include <mach/regs-clock.h>
-
-#include <asm/dma.h>
#include <mach/dma.h>
-
#include <plat/regs-iis.h>
#include "dma.h"
* published by the Free Software Foundation.
*/
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/clk.h>
-#include <linux/i2c.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
#include <sound/soc.h>
#include <plat/audio-simtec.h>
-#include "dma.h"
#include "s3c24xx-i2s.h"
#include "s3c24xx_simtec.h"
* published by the Free Software Foundation.
*/
-#include <linux/module.h>
-#include <linux/clk.h>
-#include <linux/platform_device.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
#include <sound/soc.h>
-#include <plat/audio-simtec.h>
-
-#include "dma.h"
-#include "s3c24xx-i2s.h"
#include "s3c24xx_simtec.h"
static const struct snd_soc_dapm_widget dapm_widgets[] = {
* published by the Free Software Foundation.
*/
-#include <linux/module.h>
-#include <linux/clk.h>
-#include <linux/platform_device.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
#include <sound/soc.h>
-#include <plat/audio-simtec.h>
-
-#include "dma.h"
-#include "s3c24xx-i2s.h"
#include "s3c24xx_simtec.h"
-#include "../codecs/tlv320aic23.h"
-
/* supported machines:
*
* Machine Connections AMP
* published by the Free Software Foundation.
*/
-#include <linux/module.h>
#include <linux/clk.h>
-#include <linux/mutex.h>
#include <linux/gpio.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
+
#include <sound/soc.h>
#include <sound/s3c24xx_uda134x.h>
-#include <sound/uda134x.h>
#include <plat/regs-iis.h>
-#include "dma.h"
#include "s3c24xx-i2s.h"
-#include "../codecs/uda134x.h"
-
/* #define ENFORCE_RATES 1 */
/*
*
*/
-#include <linux/module.h>
-#include <linux/platform_device.h>
#include <linux/gpio.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include <asm/mach-types.h>
-#include "dma.h"
#include "i2s.h"
-
#include "../codecs/wm8750.h"
/*
*
*/
-#include <linux/module.h>
-#include <linux/device.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
#include <sound/soc.h>
-#include "dma.h"
-#include "ac97.h"
-
static struct snd_soc_card smdk2443;
static struct snd_soc_dai_link smdk2443_dai[] = {
*
*/
-#include <linux/module.h>
-#include <linux/device.h>
#include <linux/clk.h>
-#include <plat/devs.h>
-
#include <sound/soc.h>
-#include "dma.h"
#include "spdif.h"
/* Audio clock settings are belonged to board specific part. Every
* option) any later version.
*/
-#include <linux/platform_device.h>
-#include <linux/clk.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
#include <sound/soc.h>
+#include <sound/pcm_params.h>
#include <asm/mach-types.h>
#include "../codecs/wm8580.h"
-#include "dma.h"
#include "i2s.h"
/*
*
*/
-#include <linux/module.h>
-#include <linux/device.h>
#include <sound/soc.h>
-#include "dma.h"
-#include "ac97.h"
-
static struct snd_soc_card smdk;
/*
#include <linux/clk.h>
#include <linux/io.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
#include <sound/soc.h>
+#include <sound/pcm_params.h>
#include <plat/audio.h>
#include <mach/dma.h>
const char *cpu_dai;
const char *codec;
const char *platform;
+ int id;
};
static int fsi_ak4642_dai_init(struct snd_soc_pcm_runtime *rtd)
{
- struct snd_soc_dai *dai = rtd->codec_dai;
+ struct snd_soc_dai *codec = rtd->codec_dai;
+ struct snd_soc_dai *cpu = rtd->cpu_dai;
int ret;
- ret = snd_soc_dai_set_fmt(dai, SND_SOC_DAIFMT_CBM_CFM);
+ ret = snd_soc_dai_set_fmt(codec, SND_SOC_DAIFMT_LEFT_J |
+ SND_SOC_DAIFMT_CBM_CFM);
if (ret < 0)
return ret;
- ret = snd_soc_dai_set_sysclk(dai, 0, 11289600, 0);
+ ret = snd_soc_dai_set_sysclk(codec, 0, 11289600, 0);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_fmt(cpu, SND_SOC_DAIFMT_CBS_CFS);
return ret;
}
pdata = (struct fsi_ak4642_data *)id_entry->driver_data;
- fsi_snd_device = platform_device_alloc("soc-audio", FSI_PORT_A);
+ fsi_snd_device = platform_device_alloc("soc-audio", pdata->id);
if (!fsi_snd_device)
goto out;
.cpu_dai = "fsia-dai",
.codec = "ak4642-codec.0-0012",
.platform = "sh_fsi.0",
+ .id = FSI_PORT_A,
};
static struct fsi_ak4642_data fsi_b_ak4642 = {
.cpu_dai = "fsib-dai",
.codec = "ak4642-codec.0-0012",
.platform = "sh_fsi.0",
+ .id = FSI_PORT_B,
};
static struct fsi_ak4642_data fsi_a_ak4643 = {
.cpu_dai = "fsia-dai",
.codec = "ak4642-codec.0-0013",
.platform = "sh_fsi.0",
+ .id = FSI_PORT_A,
};
static struct fsi_ak4642_data fsi_b_ak4643 = {
.cpu_dai = "fsib-dai",
.codec = "ak4642-codec.0-0013",
.platform = "sh_fsi.0",
+ .id = FSI_PORT_B,
};
static struct fsi_ak4642_data fsi2_a_ak4642 = {
.cpu_dai = "fsia-dai",
.codec = "ak4642-codec.0-0012",
.platform = "sh_fsi2",
+ .id = FSI_PORT_A,
};
static struct fsi_ak4642_data fsi2_b_ak4642 = {
.cpu_dai = "fsib-dai",
.codec = "ak4642-codec.0-0012",
.platform = "sh_fsi2",
+ .id = FSI_PORT_B,
};
static struct fsi_ak4642_data fsi2_a_ak4643 = {
.cpu_dai = "fsia-dai",
.codec = "ak4642-codec.0-0013",
.platform = "sh_fsi2",
+ .id = FSI_PORT_A,
};
static struct fsi_ak4642_data fsi2_b_ak4643 = {
.cpu_dai = "fsib-dai",
.codec = "ak4642-codec.0-0013",
.platform = "sh_fsi2",
+ .id = FSI_PORT_B,
};
static struct platform_device_id fsi_id_table[] = {
static int fsi_da7210_init(struct snd_soc_pcm_runtime *rtd)
{
- struct snd_soc_dai *dai = rtd->codec_dai;
+ struct snd_soc_dai *codec = rtd->codec_dai;
+ struct snd_soc_dai *cpu = rtd->cpu_dai;
+ int ret;
- return snd_soc_dai_set_fmt(dai,
+ ret = snd_soc_dai_set_fmt(codec,
SND_SOC_DAIFMT_I2S |
SND_SOC_DAIFMT_CBM_CFM);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_fmt(cpu, SND_SOC_DAIFMT_CBS_CFS);
+
+ return ret;
}
static struct snd_soc_dai_link fsi_da7210_dai = {
#include <linux/platform_device.h>
#include <sound/sh_fsi.h>
+struct fsi_hdmi_data {
+ const char *cpu_dai;
+ const char *card;
+ int id;
+};
+
+static int fsi_hdmi_dai_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_dai *cpu = rtd->cpu_dai;
+ int ret;
+
+ ret = snd_soc_dai_set_fmt(cpu, SND_SOC_DAIFMT_CBM_CFM);
+
+ return ret;
+}
+
static struct snd_soc_dai_link fsi_dai_link = {
.name = "HDMI",
.stream_name = "HDMI",
- .cpu_dai_name = "fsib-dai", /* fsi B */
.codec_dai_name = "sh_mobile_hdmi-hifi",
.platform_name = "sh_fsi2",
.codec_name = "sh-mobile-hdmi",
+ .init = fsi_hdmi_dai_init,
};
static struct snd_soc_card fsi_soc_card = {
- .name = "FSI (SH MOBILE HDMI)",
.dai_link = &fsi_dai_link,
.num_links = 1,
};
static struct platform_device *fsi_snd_device;
-static int __init fsi_hdmi_init(void)
+static int fsi_hdmi_probe(struct platform_device *pdev)
{
int ret = -ENOMEM;
+ const struct platform_device_id *id_entry;
+ struct fsi_hdmi_data *pdata;
+
+ id_entry = pdev->id_entry;
+ if (!id_entry) {
+ dev_err(&pdev->dev, "unknown fsi hdmi\n");
+ return -ENODEV;
+ }
- fsi_snd_device = platform_device_alloc("soc-audio", FSI_PORT_B);
+ pdata = (struct fsi_hdmi_data *)id_entry->driver_data;
+
+ fsi_snd_device = platform_device_alloc("soc-audio", pdata->id);
if (!fsi_snd_device)
goto out;
+ fsi_dai_link.cpu_dai_name = pdata->cpu_dai;
+ fsi_soc_card.name = pdata->card;
+
platform_set_drvdata(fsi_snd_device, &fsi_soc_card);
ret = platform_device_add(fsi_snd_device);
return ret;
}
-static void __exit fsi_hdmi_exit(void)
+static int fsi_hdmi_remove(struct platform_device *pdev)
{
platform_device_unregister(fsi_snd_device);
+ return 0;
+}
+
+static struct fsi_hdmi_data fsi2_a_hdmi = {
+ .cpu_dai = "fsia-dai",
+ .card = "FSI2A (SH MOBILE HDMI)",
+ .id = FSI_PORT_A,
+};
+
+static struct fsi_hdmi_data fsi2_b_hdmi = {
+ .cpu_dai = "fsib-dai",
+ .card = "FSI2B (SH MOBILE HDMI)",
+ .id = FSI_PORT_B,
+};
+
+static struct platform_device_id fsi_id_table[] = {
+ /* FSI 2 */
+ { "sh_fsi2_a_hdmi", (kernel_ulong_t)&fsi2_a_hdmi },
+ { "sh_fsi2_b_hdmi", (kernel_ulong_t)&fsi2_b_hdmi },
+ {},
+};
+
+static struct platform_driver fsi_hdmi = {
+ .driver = {
+ .name = "fsi-hdmi-audio",
+ },
+ .probe = fsi_hdmi_probe,
+ .remove = fsi_hdmi_remove,
+ .id_table = fsi_id_table,
+};
+
+static int __init fsi_hdmi_init(void)
+{
+ return platform_driver_register(&fsi_hdmi);
+}
+
+static void __exit fsi_hdmi_exit(void)
+{
+ platform_driver_unregister(&fsi_hdmi);
}
module_init(fsi_hdmi_init);
/* CKG1 */
#define ACKMD_MASK 0x00007000
#define BPFMD_MASK 0x00000700
+#define DIMD (1 << 4)
+#define DOMD (1 << 0)
/* A/B MST_CTLR */
#define BP (1 << 4) /* Fix the signal of Biphase output */
return rtd->cpu_dai;
}
-static struct fsi_priv *fsi_get_priv(struct snd_pcm_substream *substream)
+static struct fsi_priv *fsi_get_priv_frm_dai(struct snd_soc_dai *dai)
{
- struct snd_soc_dai *dai = fsi_get_dai(substream);
struct fsi_master *master = snd_soc_dai_get_drvdata(dai);
if (dai->id == 0)
return &master->fsib;
}
+static struct fsi_priv *fsi_get_priv(struct snd_pcm_substream *substream)
+{
+ return fsi_get_priv_frm_dai(fsi_get_dai(substream));
+}
+
static u32 fsi_get_info_flags(struct fsi_priv *fsi)
{
int is_porta = fsi_is_port_a(fsi);
return is_play ? &fsi->playback : &fsi->capture;
}
-static int fsi_is_master_mode(struct fsi_priv *fsi, int is_play)
-{
- u32 mode;
- u32 flags = fsi_get_info_flags(fsi);
-
- mode = is_play ? SH_FSI_OUT_SLAVE_MODE : SH_FSI_IN_SLAVE_MODE;
-
- /* return
- * 1 : master mode
- * 0 : slave mode
- */
-
- return (mode & flags) != mode;
-}
-
static u32 fsi_get_port_shift(struct fsi_priv *fsi, int is_play)
{
int is_porta = fsi_is_port_a(fsi);
u32 fmt;
u32 data;
int is_play = fsi_is_play(substream);
- int is_master;
io = fsi_get_stream(fsi, is_play);
pm_runtime_get_sync(dai->dev);
- /* CKG1 */
- data = is_play ? (1 << 0) : (1 << 4);
- is_master = fsi_is_master_mode(fsi, is_play);
- if (is_master)
- fsi_reg_mask_set(fsi, CKG1, data, data);
- else
- fsi_reg_mask_set(fsi, CKG1, data, 0);
/* clock inversion (CKG2) */
data = 0;
return ret;
}
+static int fsi_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ struct fsi_priv *fsi = fsi_get_priv_frm_dai(dai);
+ u32 data = 0;
+ int ret;
+
+ pm_runtime_get_sync(dai->dev);
+
+ /* set master/slave audio interface */
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ data = DIMD | DOMD;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ default:
+ ret = -EINVAL;
+ goto set_fmt_exit;
+ }
+ fsi_reg_mask_set(fsi, CKG1, (DIMD | DOMD), data);
+ ret = 0;
+
+set_fmt_exit:
+ pm_runtime_put_sync(dai->dev);
+
+ return ret;
+}
+
static int fsi_dai_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
.startup = fsi_dai_startup,
.shutdown = fsi_dai_shutdown,
.trigger = fsi_dai_trigger,
+ .set_fmt = fsi_dai_set_fmt,
.hw_params = fsi_dai_hw_params,
};
#include <linux/bitmap.h>
#include <linux/rbtree.h>
+#include <trace/events/asoc.h>
+
static unsigned int snd_soc_4_12_read(struct snd_soc_codec *codec,
unsigned int reg)
{
unsigned int val;
if (reg >= codec->driver->reg_cache_size ||
- snd_soc_codec_volatile_register(codec, reg)) {
+ snd_soc_codec_volatile_register(codec, reg) ||
+ codec->cache_bypass) {
if (codec->cache_only)
return -1;
data[1] = value & 0x00ff;
if (!snd_soc_codec_volatile_register(codec, reg) &&
- reg < codec->driver->reg_cache_size) {
+ reg < codec->driver->reg_cache_size &&
+ !codec->cache_bypass) {
ret = snd_soc_cache_write(codec, reg, value);
if (ret < 0)
return -1;
unsigned int val;
if (reg >= codec->driver->reg_cache_size ||
- snd_soc_codec_volatile_register(codec, reg)) {
+ snd_soc_codec_volatile_register(codec, reg) ||
+ codec->cache_bypass) {
if (codec->cache_only)
return -1;
data[1] = value & 0x00ff;
if (!snd_soc_codec_volatile_register(codec, reg) &&
- reg < codec->driver->reg_cache_size) {
+ reg < codec->driver->reg_cache_size &&
+ !codec->cache_bypass) {
ret = snd_soc_cache_write(codec, reg, value);
if (ret < 0)
return -1;
data[1] = value & 0xff;
if (!snd_soc_codec_volatile_register(codec, reg) &&
- reg < codec->driver->reg_cache_size) {
+ reg < codec->driver->reg_cache_size &&
+ !codec->cache_bypass) {
ret = snd_soc_cache_write(codec, reg, value);
if (ret < 0)
return -1;
reg &= 0xff;
if (reg >= codec->driver->reg_cache_size ||
- snd_soc_codec_volatile_register(codec, reg)) {
+ snd_soc_codec_volatile_register(codec, reg) ||
+ codec->cache_bypass) {
if (codec->cache_only)
return -1;
data[2] = value & 0xff;
if (!snd_soc_codec_volatile_register(codec, reg) &&
- reg < codec->driver->reg_cache_size) {
+ reg < codec->driver->reg_cache_size &&
+ !codec->cache_bypass) {
ret = snd_soc_cache_write(codec, reg, value);
if (ret < 0)
return -1;
unsigned int val;
if (reg >= codec->driver->reg_cache_size ||
- snd_soc_codec_volatile_register(codec, reg)) {
+ snd_soc_codec_volatile_register(codec, reg) ||
+ codec->cache_bypass) {
if (codec->cache_only)
return -1;
reg &= 0xff;
if (reg >= codec->driver->reg_cache_size ||
- snd_soc_codec_volatile_register(codec, reg)) {
+ snd_soc_codec_volatile_register(codec, reg) ||
+ codec->cache_bypass) {
if (codec->cache_only)
return -1;
reg &= 0xff;
if (!snd_soc_codec_volatile_register(codec, reg) &&
- reg < codec->driver->reg_cache_size) {
+ reg < codec->driver->reg_cache_size &&
+ !codec->cache_bypass) {
ret = snd_soc_cache_write(codec, reg, value);
if (ret < 0)
return -1;
unsigned int val;
if (reg >= codec->driver->reg_cache_size ||
- snd_soc_codec_volatile_register(codec, reg)) {
+ snd_soc_codec_volatile_register(codec, reg) ||
+ codec->cache_bypass) {
if (codec->cache_only)
return -1;
data[3] = value & 0xff;
if (!snd_soc_codec_volatile_register(codec, reg) &&
- reg < codec->driver->reg_cache_size) {
+ reg < codec->driver->reg_cache_size &&
+ !codec->cache_bypass) {
ret = snd_soc_cache_write(codec, reg, value);
if (ret < 0)
return -1;
}
EXPORT_SYMBOL_GPL(snd_soc_codec_set_cache_io);
+static bool snd_soc_set_cache_val(void *base, unsigned int idx,
+ unsigned int val, unsigned int word_size)
+{
+ switch (word_size) {
+ case 1: {
+ u8 *cache = base;
+ if (cache[idx] == val)
+ return true;
+ cache[idx] = val;
+ break;
+ }
+ case 2: {
+ u16 *cache = base;
+ if (cache[idx] == val)
+ return true;
+ cache[idx] = val;
+ break;
+ }
+ default:
+ BUG();
+ }
+ return false;
+}
+
+static unsigned int snd_soc_get_cache_val(const void *base, unsigned int idx,
+ unsigned int word_size)
+{
+ switch (word_size) {
+ case 1: {
+ const u8 *cache = base;
+ return cache[idx];
+ }
+ case 2: {
+ const u16 *cache = base;
+ return cache[idx];
+ }
+ default:
+ BUG();
+ }
+ /* unreachable */
+ return -1;
+}
+
struct snd_soc_rbtree_node {
struct rb_node node;
unsigned int reg;
ret = snd_soc_cache_read(codec, rbnode->reg, &val);
if (ret)
return ret;
+ codec->cache_bypass = 1;
ret = snd_soc_write(codec, rbnode->reg, val);
+ codec->cache_bypass = 0;
if (ret)
return ret;
dev_dbg(codec->dev, "Synced register %#x, value = %#x\n",
static int snd_soc_rbtree_cache_init(struct snd_soc_codec *codec)
{
+ struct snd_soc_rbtree_node *rbtree_node;
struct snd_soc_rbtree_ctx *rbtree_ctx;
+ unsigned int val;
+ unsigned int word_size;
+ int i;
+ int ret;
codec->reg_cache = kmalloc(sizeof *rbtree_ctx, GFP_KERNEL);
if (!codec->reg_cache)
if (!codec->reg_def_copy)
return 0;
-/*
- * populate the rbtree with the initialized registers. All other
- * registers will be inserted into the tree when they are first written.
- *
- * The reasoning behind this, is that we need to step through and
- * dereference the cache in u8/u16 increments without sacrificing
- * portability. This could also be done using memcpy() but that would
- * be slightly more cryptic.
- */
-#define snd_soc_rbtree_populate(cache) \
-({ \
- int ret, i; \
- struct snd_soc_rbtree_node *rbtree_node; \
- \
- ret = 0; \
- cache = codec->reg_def_copy; \
- for (i = 0; i < codec->driver->reg_cache_size; ++i) { \
- if (!cache[i]) \
- continue; \
- rbtree_node = kzalloc(sizeof *rbtree_node, GFP_KERNEL); \
- if (!rbtree_node) { \
- ret = -ENOMEM; \
- snd_soc_cache_exit(codec); \
- break; \
- } \
- rbtree_node->reg = i; \
- rbtree_node->value = cache[i]; \
- rbtree_node->defval = cache[i]; \
- snd_soc_rbtree_insert(&rbtree_ctx->root, \
- rbtree_node); \
- } \
- ret; \
-})
-
- switch (codec->driver->reg_word_size) {
- case 1: {
- const u8 *cache;
-
- return snd_soc_rbtree_populate(cache);
- }
- case 2: {
- const u16 *cache;
-
- return snd_soc_rbtree_populate(cache);
- }
- default:
- BUG();
+ /*
+ * populate the rbtree with the initialized registers. All other
+ * registers will be inserted when they are first modified.
+ */
+ word_size = codec->driver->reg_word_size;
+ for (i = 0; i < codec->driver->reg_cache_size; ++i) {
+ val = snd_soc_get_cache_val(codec->reg_def_copy, i, word_size);
+ if (!val)
+ continue;
+ rbtree_node = kzalloc(sizeof *rbtree_node, GFP_KERNEL);
+ if (!rbtree_node) {
+ ret = -ENOMEM;
+ snd_soc_cache_exit(codec);
+ break;
+ }
+ rbtree_node->reg = i;
+ rbtree_node->value = val;
+ rbtree_node->defval = val;
+ snd_soc_rbtree_insert(&rbtree_ctx->root, rbtree_node);
}
return 0;
unsigned int reg)
{
const struct snd_soc_codec_driver *codec_drv;
- size_t reg_size;
codec_drv = codec->driver;
- reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size;
return (reg * codec_drv->reg_word_size) /
- DIV_ROUND_UP(reg_size, snd_soc_lzo_block_count());
+ DIV_ROUND_UP(codec->reg_size, snd_soc_lzo_block_count());
}
static inline int snd_soc_lzo_get_blkpos(struct snd_soc_codec *codec,
unsigned int reg)
{
const struct snd_soc_codec_driver *codec_drv;
- size_t reg_size;
codec_drv = codec->driver;
- reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size;
- return reg % (DIV_ROUND_UP(reg_size, snd_soc_lzo_block_count()) /
+ return reg % (DIV_ROUND_UP(codec->reg_size, snd_soc_lzo_block_count()) /
codec_drv->reg_word_size);
}
static inline int snd_soc_lzo_get_blksize(struct snd_soc_codec *codec)
{
const struct snd_soc_codec_driver *codec_drv;
- size_t reg_size;
codec_drv = codec->driver;
- reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size;
- return DIV_ROUND_UP(reg_size, snd_soc_lzo_block_count());
+ return DIV_ROUND_UP(codec->reg_size, snd_soc_lzo_block_count());
}
static int snd_soc_lzo_cache_sync(struct snd_soc_codec *codec)
ret = snd_soc_cache_read(codec, i, &val);
if (ret)
return ret;
+ codec->cache_bypass = 1;
ret = snd_soc_write(codec, i, val);
+ codec->cache_bypass = 0;
if (ret)
return ret;
dev_dbg(codec->dev, "Synced register %#x, value = %#x\n",
}
/* write the new value to the cache */
- switch (codec->driver->reg_word_size) {
- case 1: {
- u8 *cache;
- cache = lzo_block->dst;
- if (cache[blkpos] == value) {
- kfree(lzo_block->dst);
- goto out;
- }
- cache[blkpos] = value;
- }
- break;
- case 2: {
- u16 *cache;
- cache = lzo_block->dst;
- if (cache[blkpos] == value) {
- kfree(lzo_block->dst);
- goto out;
- }
- cache[blkpos] = value;
- }
- break;
- default:
- BUG();
+ if (snd_soc_set_cache_val(lzo_block->dst, blkpos, value,
+ codec->driver->reg_word_size)) {
+ kfree(lzo_block->dst);
+ goto out;
}
/* prepare the source to be the decompressed block */
/* decompress the block */
ret = snd_soc_lzo_decompress_cache_block(codec, lzo_block);
- if (ret >= 0) {
+ if (ret >= 0)
/* fetch the value from the cache */
- switch (codec->driver->reg_word_size) {
- case 1: {
- u8 *cache;
- cache = lzo_block->dst;
- *value = cache[blkpos];
- }
- break;
- case 2: {
- u16 *cache;
- cache = lzo_block->dst;
- *value = cache[blkpos];
- }
- break;
- default:
- BUG();
- }
- }
+ *value = snd_soc_get_cache_val(lzo_block->dst, blkpos,
+ codec->driver->reg_word_size);
kfree(lzo_block->dst);
/* restore the pointer and length of the compressed block */
static int snd_soc_lzo_cache_init(struct snd_soc_codec *codec)
{
struct snd_soc_lzo_ctx **lzo_blocks;
- size_t reg_size, bmp_size;
+ size_t bmp_size;
const struct snd_soc_codec_driver *codec_drv;
int ret, tofree, i, blksize, blkcount;
const char *p, *end;
ret = 0;
codec_drv = codec->driver;
- reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size;
/*
* If we have not been given a default register cache
tofree = 1;
if (!codec->reg_def_copy) {
- codec->reg_def_copy = kzalloc(reg_size,
- GFP_KERNEL);
+ codec->reg_def_copy = kzalloc(codec->reg_size, GFP_KERNEL);
if (!codec->reg_def_copy)
return -ENOMEM;
}
blksize = snd_soc_lzo_get_blksize(codec);
p = codec->reg_def_copy;
- end = codec->reg_def_copy + reg_size;
+ end = codec->reg_def_copy + codec->reg_size;
/* compress the register map and fill the lzo blocks */
for (i = 0; i < blkcount; ++i, p += blksize) {
lzo_blocks[i]->src = p;
ret = snd_soc_cache_read(codec, i, &val);
if (ret)
return ret;
- if (codec_drv->reg_cache_default) {
- switch (codec_drv->reg_word_size) {
- case 1: {
- const u8 *cache;
-
- cache = codec_drv->reg_cache_default;
- if (cache[i] == val)
- continue;
- }
- break;
- case 2: {
- const u16 *cache;
-
- cache = codec_drv->reg_cache_default;
- if (cache[i] == val)
- continue;
- }
- break;
- default:
- BUG();
- }
- }
+ if (codec->reg_def_copy)
+ if (snd_soc_get_cache_val(codec->reg_def_copy,
+ i, codec_drv->reg_word_size) == val)
+ continue;
ret = snd_soc_write(codec, i, val);
if (ret)
return ret;
static int snd_soc_flat_cache_write(struct snd_soc_codec *codec,
unsigned int reg, unsigned int value)
{
- switch (codec->driver->reg_word_size) {
- case 1: {
- u8 *cache;
-
- cache = codec->reg_cache;
- cache[reg] = value;
- }
- break;
- case 2: {
- u16 *cache;
-
- cache = codec->reg_cache;
- cache[reg] = value;
- }
- break;
- default:
- BUG();
- }
-
+ snd_soc_set_cache_val(codec->reg_cache, reg, value,
+ codec->driver->reg_word_size);
return 0;
}
static int snd_soc_flat_cache_read(struct snd_soc_codec *codec,
unsigned int reg, unsigned int *value)
{
- switch (codec->driver->reg_word_size) {
- case 1: {
- u8 *cache;
-
- cache = codec->reg_cache;
- *value = cache[reg];
- }
- break;
- case 2: {
- u16 *cache;
-
- cache = codec->reg_cache;
- *value = cache[reg];
- }
- break;
- default:
- BUG();
- }
-
+ *value = snd_soc_get_cache_val(codec->reg_cache, reg,
+ codec->driver->reg_word_size);
return 0;
}
static int snd_soc_flat_cache_init(struct snd_soc_codec *codec)
{
const struct snd_soc_codec_driver *codec_drv;
- size_t reg_size;
codec_drv = codec->driver;
- reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size;
- /*
- * for flat compression, we don't need to keep a copy of the
- * original defaults register cache as it will definitely not
- * be marked as __devinitconst
- */
- kfree(codec->reg_def_copy);
- codec->reg_def_copy = NULL;
-
- if (codec_drv->reg_cache_default)
- codec->reg_cache = kmemdup(codec_drv->reg_cache_default,
- reg_size, GFP_KERNEL);
+ if (codec->reg_def_copy)
+ codec->reg_cache = kmemdup(codec->reg_def_copy,
+ codec->reg_size, GFP_KERNEL);
else
- codec->reg_cache = kzalloc(reg_size, GFP_KERNEL);
+ codec->reg_cache = kzalloc(codec->reg_size, GFP_KERNEL);
if (!codec->reg_cache)
return -ENOMEM;
int snd_soc_cache_sync(struct snd_soc_codec *codec)
{
int ret;
+ const char *name;
if (!codec->cache_sync) {
return 0;
}
+ if (codec->cache_ops->name)
+ name = codec->cache_ops->name;
+ else
+ name = "unknown";
+
if (codec->cache_ops && codec->cache_ops->sync) {
if (codec->cache_ops->name)
dev_dbg(codec->dev, "Syncing %s cache for %s codec\n",
codec->cache_ops->name, codec->name);
+ trace_snd_soc_cache_sync(codec, name, "start");
ret = codec->cache_ops->sync(codec);
if (!ret)
codec->cache_sync = 0;
+ trace_snd_soc_cache_sync(codec, name, "end");
return ret;
}
return -EINVAL;
}
EXPORT_SYMBOL_GPL(snd_soc_cache_sync);
+
+static int snd_soc_get_reg_access_index(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ const struct snd_soc_codec_driver *codec_drv;
+ unsigned int min, max, index;
+
+ codec_drv = codec->driver;
+ min = 0;
+ max = codec_drv->reg_access_size - 1;
+ do {
+ index = (min + max) / 2;
+ if (codec_drv->reg_access_default[index].reg == reg)
+ return index;
+ if (codec_drv->reg_access_default[index].reg < reg)
+ min = index + 1;
+ else
+ max = index;
+ } while (min <= max);
+ return -1;
+}
+
+int snd_soc_default_volatile_register(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ int index;
+
+ if (reg >= codec->driver->reg_cache_size)
+ return 1;
+ index = snd_soc_get_reg_access_index(codec, reg);
+ if (index < 0)
+ return 0;
+ return codec->driver->reg_access_default[index].vol;
+}
+EXPORT_SYMBOL_GPL(snd_soc_default_volatile_register);
+
+int snd_soc_default_readable_register(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ int index;
+
+ if (reg >= codec->driver->reg_cache_size)
+ return 1;
+ index = snd_soc_get_reg_access_index(codec, reg);
+ if (index < 0)
+ return 0;
+ return codec->driver->reg_access_default[index].read;
+}
+EXPORT_SYMBOL_GPL(snd_soc_default_readable_register);
static DECLARE_WAIT_QUEUE_HEAD(soc_pm_waitq);
#ifdef CONFIG_DEBUG_FS
-static struct dentry *debugfs_root;
+struct dentry *snd_soc_debugfs_root;
+EXPORT_SYMBOL_GPL(snd_soc_debugfs_root);
#endif
static DEFINE_MUTEX(client_mutex);
static LIST_HEAD(platform_list);
static LIST_HEAD(codec_list);
-static int snd_soc_register_card(struct snd_soc_card *card);
-static int snd_soc_unregister_card(struct snd_soc_card *card);
static int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
/*
count += sprintf(buf, "%s registers\n", codec->name);
for (i = 0; i < codec->driver->reg_cache_size; i += step) {
- if (codec->driver->readable_register && !codec->driver->readable_register(i))
+ if (codec->readable_register && !codec->readable_register(codec, i))
continue;
count += sprintf(buf + count, "%2x: ", i);
start++;
if (strict_strtoul(start, 16, &value))
return -EINVAL;
+
+ /* Userspace has been fiddling around behind the kernel's back */
+ add_taint(TAINT_USER);
+
snd_soc_write(codec, reg, value);
return buf_size;
}
static void soc_init_card_debugfs(struct snd_soc_card *card)
{
card->debugfs_card_root = debugfs_create_dir(card->name,
- debugfs_root);
+ snd_soc_debugfs_root);
if (!card->debugfs_card_root) {
dev_warn(card->dev,
"ASoC: Failed to create codec debugfs directory\n");
/* Make sure all DAPM widgets are instantiated */
snd_soc_dapm_new_widgets(&codec->dapm);
- snd_soc_dapm_sync(&codec->dapm);
/* register the rtd device */
rtd->codec = codec;
list_for_each_entry(codec, &codec_list, list) {
if (codec->cache_init)
continue;
+ /* by default we don't override the compress_type */
+ compress_type = 0;
/* check to see if we need to override the compress_type */
for (i = 0; i < card->num_configs; ++i) {
codec_conf = &card->codec_conf[i];
break;
}
}
- if (i == card->num_configs) {
- /* no need to override the compress_type so
- * go ahead and do the standard thing */
- ret = snd_soc_init_codec_cache(codec, 0);
- if (ret < 0) {
- mutex_unlock(&card->mutex);
- return;
- }
- continue;
- }
- /* override the compress_type with the one supplied in
- * the machine driver */
ret = snd_soc_init_codec_cache(codec, compress_type);
if (ret < 0) {
mutex_unlock(&card->mutex);
struct snd_soc_card *card = platform_get_drvdata(pdev);
int ret = 0;
+ /*
+ * no card, so machine driver should be registering card
+ * we should not be here in that case so ret error
+ */
+ if (!card)
+ return -EINVAL;
+
/* Bodge while we unpick instantiation */
card->dev = &pdev->dev;
- INIT_LIST_HEAD(&card->dai_dev_list);
- INIT_LIST_HEAD(&card->codec_dev_list);
- INIT_LIST_HEAD(&card->platform_dev_list);
- INIT_LIST_HEAD(&card->widgets);
- INIT_LIST_HEAD(&card->paths);
- INIT_LIST_HEAD(&card->dapm_list);
-
- soc_init_card_debugfs(card);
+ snd_soc_initialize_card_lists(card);
ret = snd_soc_register_card(card);
if (ret != 0) {
return 0;
}
-/* removes a socdev */
-static int soc_remove(struct platform_device *pdev)
+static int soc_cleanup_card_resources(struct snd_soc_card *card)
{
- struct snd_soc_card *card = platform_get_drvdata(pdev);
+ struct platform_device *pdev = to_platform_device(card->dev);
int i;
- if (card->instantiated) {
+ /* make sure any delayed work runs */
+ for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
+ flush_delayed_work_sync(&rtd->delayed_work);
+ }
- /* make sure any delayed work runs */
- for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
- flush_delayed_work_sync(&rtd->delayed_work);
- }
+ /* remove auxiliary devices */
+ for (i = 0; i < card->num_aux_devs; i++)
+ soc_remove_aux_dev(card, i);
+
+ /* remove and free each DAI */
+ for (i = 0; i < card->num_rtd; i++)
+ soc_remove_dai_link(card, i);
+
+ soc_cleanup_card_debugfs(card);
- /* remove auxiliary devices */
- for (i = 0; i < card->num_aux_devs; i++)
- soc_remove_aux_dev(card, i);
+ /* remove the card */
+ if (card->remove)
+ card->remove(pdev);
- /* remove and free each DAI */
- for (i = 0; i < card->num_rtd; i++)
- soc_remove_dai_link(card, i);
+ kfree(card->rtd);
+ snd_card_free(card->snd_card);
+ return 0;
- soc_cleanup_card_debugfs(card);
+}
- /* remove the card */
- if (card->remove)
- card->remove(pdev);
+/* removes a socdev */
+static int soc_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
- kfree(card->rtd);
- snd_card_free(card->snd_card);
- }
snd_soc_unregister_card(card);
return 0;
}
*
* Boolean function indiciating if a CODEC register is volatile.
*/
-int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg)
+int snd_soc_codec_volatile_register(struct snd_soc_codec *codec,
+ unsigned int reg)
{
- if (codec->driver->volatile_register)
- return codec->driver->volatile_register(reg);
+ if (codec->volatile_register)
+ return codec->volatile_register(codec, reg);
else
return 0;
}
*
* Writes new register value.
*
- * Returns 1 for change else 0.
+ * Returns 1 for change, 0 for no change, or negative error code.
*/
int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
unsigned int mask, unsigned int value)
{
int change;
unsigned int old, new;
+ int ret;
- old = snd_soc_read(codec, reg);
+ ret = snd_soc_read(codec, reg);
+ if (ret < 0)
+ return ret;
+
+ old = ret;
new = (old & ~mask) | value;
change = old != new;
- if (change)
- snd_soc_write(codec, reg, new);
+ if (change) {
+ ret = snd_soc_write(codec, reg, new);
+ if (ret < 0)
+ return ret;
+ }
return change;
}
*
* @card: Card to register
*
- * Note that currently this is an internal only function: it will be
- * exposed to machine drivers after further backporting of ASoC v2
- * registration APIs.
*/
-static int snd_soc_register_card(struct snd_soc_card *card)
+int snd_soc_register_card(struct snd_soc_card *card)
{
int i;
if (!card->name || !card->dev)
return -EINVAL;
+ soc_init_card_debugfs(card);
+
card->rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime) *
(card->num_links + card->num_aux_devs),
GFP_KERNEL);
return 0;
}
+EXPORT_SYMBOL_GPL(snd_soc_register_card);
/**
* snd_soc_unregister_card - Unregister a card with the ASoC core
*
* @card: Card to unregister
*
- * Note that currently this is an internal only function: it will be
- * exposed to machine drivers after further backporting of ASoC v2
- * registration APIs.
*/
-static int snd_soc_unregister_card(struct snd_soc_card *card)
+int snd_soc_unregister_card(struct snd_soc_card *card)
{
+ if (card->instantiated)
+ soc_cleanup_card_resources(card);
mutex_lock(&client_mutex);
list_del(&card->list);
mutex_unlock(&client_mutex);
return 0;
}
+EXPORT_SYMBOL_GPL(snd_soc_unregister_card);
/*
* Simplify DAI link configuration by removing ".-1" from device names
codec->write = codec_drv->write;
codec->read = codec_drv->read;
+ codec->volatile_register = codec_drv->volatile_register;
+ codec->readable_register = codec_drv->readable_register;
codec->dapm.bias_level = SND_SOC_BIAS_OFF;
codec->dapm.dev = dev;
codec->dapm.codec = codec;
+ codec->dapm.seq_notifier = codec_drv->seq_notifier;
codec->dev = dev;
codec->driver = codec_drv;
codec->num_dai = num_dai;
/* allocate CODEC register cache */
if (codec_drv->reg_cache_size && codec_drv->reg_word_size) {
reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size;
+ codec->reg_size = reg_size;
/* it is necessary to make a copy of the default register cache
* because in the case of using a compression type that requires
* the default register cache to be marked as __devinitconst the
* kernel might have freed the array by the time we initialize
* the cache.
*/
- codec->reg_def_copy = kmemdup(codec_drv->reg_cache_default,
- reg_size, GFP_KERNEL);
- if (!codec->reg_def_copy) {
- ret = -ENOMEM;
- goto fail;
+ if (codec_drv->reg_cache_default) {
+ codec->reg_def_copy = kmemdup(codec_drv->reg_cache_default,
+ reg_size, GFP_KERNEL);
+ if (!codec->reg_def_copy) {
+ ret = -ENOMEM;
+ goto fail;
+ }
}
}
+ if (codec_drv->reg_access_size && codec_drv->reg_access_default) {
+ if (!codec->volatile_register)
+ codec->volatile_register = snd_soc_default_volatile_register;
+ if (!codec->readable_register)
+ codec->readable_register = snd_soc_default_readable_register;
+ }
+
for (i = 0; i < num_dai; i++) {
fixup_codec_formats(&dai_drv[i].playback);
fixup_codec_formats(&dai_drv[i].capture);
static int __init snd_soc_init(void)
{
#ifdef CONFIG_DEBUG_FS
- debugfs_root = debugfs_create_dir("asoc", NULL);
- if (IS_ERR(debugfs_root) || !debugfs_root) {
+ snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL);
+ if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) {
printk(KERN_WARNING
"ASoC: Failed to create debugfs directory\n");
- debugfs_root = NULL;
+ snd_soc_debugfs_root = NULL;
}
- if (!debugfs_create_file("codecs", 0444, debugfs_root, NULL,
+ if (!debugfs_create_file("codecs", 0444, snd_soc_debugfs_root, NULL,
&codec_list_fops))
pr_warn("ASoC: Failed to create CODEC list debugfs file\n");
- if (!debugfs_create_file("dais", 0444, debugfs_root, NULL,
+ if (!debugfs_create_file("dais", 0444, snd_soc_debugfs_root, NULL,
&dai_list_fops))
pr_warn("ASoC: Failed to create DAI list debugfs file\n");
- if (!debugfs_create_file("platforms", 0444, debugfs_root, NULL,
+ if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL,
&platform_list_fops))
pr_warn("ASoC: Failed to create platform list debugfs file\n");
#endif
static void __exit snd_soc_exit(void)
{
#ifdef CONFIG_DEBUG_FS
- debugfs_remove_recursive(debugfs_root);
+ debugfs_remove_recursive(snd_soc_debugfs_root);
#endif
platform_driver_unregister(&soc_driver);
}
static int dapm_seq_compare(struct snd_soc_dapm_widget *a,
struct snd_soc_dapm_widget *b,
- int sort[])
+ bool power_up)
{
+ int *sort;
+
+ if (power_up)
+ sort = dapm_up_seq;
+ else
+ sort = dapm_down_seq;
+
if (sort[a->id] != sort[b->id])
return sort[a->id] - sort[b->id];
+ if (a->subseq != b->subseq) {
+ if (power_up)
+ return a->subseq - b->subseq;
+ else
+ return b->subseq - a->subseq;
+ }
if (a->reg != b->reg)
return a->reg - b->reg;
if (a->dapm != b->dapm)
/* Insert a widget in order into a DAPM power sequence. */
static void dapm_seq_insert(struct snd_soc_dapm_widget *new_widget,
struct list_head *list,
- int sort[])
+ bool power_up)
{
struct snd_soc_dapm_widget *w;
list_for_each_entry(w, list, power_list)
- if (dapm_seq_compare(new_widget, w, sort) < 0) {
+ if (dapm_seq_compare(new_widget, w, power_up) < 0) {
list_add_tail(&new_widget->power_list, &w->power_list);
return;
}
* handled.
*/
static void dapm_seq_run(struct snd_soc_dapm_context *dapm,
- struct list_head *list, int event, int sort[])
+ struct list_head *list, int event, bool power_up)
{
struct snd_soc_dapm_widget *w, *n;
LIST_HEAD(pending);
int cur_sort = -1;
+ int cur_subseq = -1;
int cur_reg = SND_SOC_NOPM;
struct snd_soc_dapm_context *cur_dapm = NULL;
- int ret;
+ int ret, i;
+ int *sort;
+
+ if (power_up)
+ sort = dapm_up_seq;
+ else
+ sort = dapm_down_seq;
list_for_each_entry_safe(w, n, list, power_list) {
ret = 0;
/* Do we need to apply any queued changes? */
if (sort[w->id] != cur_sort || w->reg != cur_reg ||
- w->dapm != cur_dapm) {
+ w->dapm != cur_dapm || w->subseq != cur_subseq) {
if (!list_empty(&pending))
dapm_seq_run_coalesced(cur_dapm, &pending);
+ if (cur_dapm && cur_dapm->seq_notifier) {
+ for (i = 0; i < ARRAY_SIZE(dapm_up_seq); i++)
+ if (sort[i] == cur_sort)
+ cur_dapm->seq_notifier(cur_dapm,
+ i);
+ }
+
INIT_LIST_HEAD(&pending);
cur_sort = -1;
+ cur_subseq = -1;
cur_reg = SND_SOC_NOPM;
cur_dapm = NULL;
}
default:
/* Queue it up for application */
cur_sort = sort[w->id];
+ cur_subseq = w->subseq;
cur_reg = w->reg;
cur_dapm = w->dapm;
list_move(&w->power_list, &pending);
if (!list_empty(&pending))
dapm_seq_run_coalesced(dapm, &pending);
+
+ if (cur_dapm && cur_dapm->seq_notifier) {
+ for (i = 0; i < ARRAY_SIZE(dapm_up_seq); i++)
+ if (sort[i] == cur_sort)
+ cur_dapm->seq_notifier(cur_dapm,
+ i);
+ }
}
static void dapm_widget_update(struct snd_soc_dapm_context *dapm)
list_for_each_entry(w, &card->widgets, list) {
switch (w->id) {
case snd_soc_dapm_pre:
- dapm_seq_insert(w, &down_list, dapm_down_seq);
+ dapm_seq_insert(w, &down_list, false);
break;
case snd_soc_dapm_post:
- dapm_seq_insert(w, &up_list, dapm_up_seq);
+ dapm_seq_insert(w, &up_list, true);
break;
default:
trace_snd_soc_dapm_widget_power(w, power);
if (power)
- dapm_seq_insert(w, &up_list, dapm_up_seq);
+ dapm_seq_insert(w, &up_list, true);
else
- dapm_seq_insert(w, &down_list, dapm_down_seq);
+ dapm_seq_insert(w, &down_list, false);
w->power = power;
break;
}
/* Power down widgets first; try to avoid amplifying pops. */
- dapm_seq_run(dapm, &down_list, event, dapm_down_seq);
+ dapm_seq_run(dapm, &down_list, event, false);
dapm_widget_update(dapm);
/* Now power up. */
- dapm_seq_run(dapm, &up_list, event, dapm_up_seq);
+ dapm_seq_run(dapm, &up_list, event, true);
list_for_each_entry(d, &dapm->card->dapm_list, list) {
/* If we just powered the last thing off drop to standby bias */
if (w->dapm != dapm)
continue;
if (w->power) {
- dapm_seq_insert(w, &down_list, dapm_down_seq);
+ dapm_seq_insert(w, &down_list, false);
w->power = 0;
powerdown = 1;
}
*/
if (powerdown) {
snd_soc_dapm_set_bias_level(NULL, dapm, SND_SOC_BIAS_PREPARE);
- dapm_seq_run(dapm, &down_list, 0, dapm_down_seq);
+ dapm_seq_run(dapm, &down_list, 0, false);
snd_soc_dapm_set_bias_level(NULL, dapm, SND_SOC_BIAS_STANDBY);
}
}
--- /dev/null
+config SND_TEGRA_SOC
+ tristate "SoC Audio for the Tegra System-on-Chip"
+ depends on ARCH_TEGRA && TEGRA_SYSTEM_DMA
+ default m
+ help
+ Say Y or M here if you want support for SoC audio on Tegra.
+
+config SND_TEGRA_SOC_I2S
+ tristate
+ depends on SND_TEGRA_SOC
+ default m
+ help
+ Say Y or M if you want to add support for codecs attached to the
+ Tegra I2S interface. You will also need to select the individual
+ machine drivers to support below.
+
+config SND_TEGRA_SOC_HARMONY
+ tristate "SoC Audio support for Tegra Harmony reference board"
+ depends on SND_TEGRA_SOC && MACH_HARMONY && I2C
+ default m
+ select SND_TEGRA_SOC_I2S
+ select SND_SOC_WM8903
+ help
+ Say Y or M here if you want to add support for SoC audio on the
+ Tegra Harmony reference board.
+
--- /dev/null
+# Tegra platform Support
+snd-soc-tegra-das-objs := tegra_das.o
+snd-soc-tegra-pcm-objs := tegra_pcm.o
+snd-soc-tegra-i2s-objs := tegra_i2s.o
+
+obj-$(CONFIG_SND_TEGRA_SOC) += snd-soc-tegra-das.o
+obj-$(CONFIG_SND_TEGRA_SOC) += snd-soc-tegra-pcm.o
+obj-$(CONFIG_SND_TEGRA_SOC_I2S) += snd-soc-tegra-i2s.o
+
+# Tegra machine Support
+snd-soc-tegra-harmony-objs := harmony.o
+snd-soc-tegra-harmony-objs += tegra_asoc_utils.o
+
+obj-$(CONFIG_SND_TEGRA_SOC_HARMONY) += snd-soc-tegra-harmony.o
--- /dev/null
+/*
+ * harmony.c - Harmony machine ASoC driver
+ *
+ * Author: Stephen Warren <swarren@nvidia.com>
+ * Copyright (C) 2010 - NVIDIA, Inc.
+ *
+ * Based on code copyright/by:
+ *
+ * (c) 2009, 2010 Nvidia Graphics Pvt. Ltd.
+ *
+ * Copyright 2007 Wolfson Microelectronics PLC.
+ * Author: Graeme Gregory
+ * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <asm/mach-types.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include "tegra_das.h"
+#include "tegra_i2s.h"
+#include "tegra_pcm.h"
+#include "tegra_asoc_utils.h"
+
+#define PREFIX "ASoC Harmony: "
+
+static struct platform_device *harmony_snd_device;
+
+static int harmony_asoc_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ int srate, mclk, mclk_change;
+ int err;
+
+ srate = params_rate(params);
+ switch (srate) {
+ case 64000:
+ case 88200:
+ case 96000:
+ mclk = 128 * srate;
+ break;
+ default:
+ mclk = 256 * srate;
+ break;
+ }
+ /* FIXME: Codec only requires >= 3MHz if OSR==0 */
+ while (mclk < 6000000)
+ mclk *= 2;
+
+ err = tegra_asoc_utils_set_rate(srate, mclk, &mclk_change);
+ if (err < 0) {
+ pr_err(PREFIX "Can't configure clocks\n");
+ return err;
+ }
+
+ err = snd_soc_dai_set_fmt(codec_dai,
+ SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS);
+ if (err < 0) {
+ pr_err(PREFIX "codec_dai fmt not set\n");
+ return err;
+ }
+
+ err = snd_soc_dai_set_fmt(cpu_dai,
+ SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS);
+ if (err < 0) {
+ pr_err(PREFIX "cpu_dai fmt not set\n");
+ return err;
+ }
+
+ if (mclk_change) {
+ err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, SND_SOC_CLOCK_IN);
+ if (err < 0) {
+ pr_err(PREFIX "codec_dai clock not set\n");
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+static struct snd_soc_ops harmony_asoc_ops = {
+ .hw_params = harmony_asoc_hw_params,
+};
+
+static const struct snd_soc_dapm_widget harmony_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_MIC("Mic Jack", NULL),
+};
+
+static const struct snd_soc_dapm_route harmony_audio_map[] = {
+ {"Headphone Jack", NULL, "HPOUTR"},
+ {"Headphone Jack", NULL, "HPOUTL"},
+ {"Mic Bias", NULL, "Mic Jack"},
+ {"IN1L", NULL, "Mic Bias"},
+};
+
+static int harmony_asoc_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
+
+ snd_soc_dapm_new_controls(dapm, harmony_dapm_widgets,
+ ARRAY_SIZE(harmony_dapm_widgets));
+
+ snd_soc_dapm_add_routes(dapm, harmony_audio_map,
+ ARRAY_SIZE(harmony_audio_map));
+
+ snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
+ snd_soc_dapm_enable_pin(dapm, "Mic Jack");
+ snd_soc_dapm_sync(dapm);
+
+ return 0;
+}
+
+static struct snd_soc_dai_link harmony_wm8903_dai = {
+ .name = "WM8903",
+ .stream_name = "WM8903 PCM",
+ .codec_name = "wm8903-codec.0-001a",
+ .platform_name = "tegra-pcm-audio",
+ .cpu_dai_name = "tegra-i2s.0",
+ .codec_dai_name = "wm8903-hifi",
+ .init = harmony_asoc_init,
+ .ops = &harmony_asoc_ops,
+};
+
+static struct snd_soc_card snd_soc_harmony = {
+ .name = "tegra-harmony",
+ .dai_link = &harmony_wm8903_dai,
+ .num_links = 1,
+};
+
+static int __init harmony_soc_modinit(void)
+{
+ int ret;
+
+ if (!machine_is_harmony()) {
+ pr_err(PREFIX "Not running on Tegra Harmony!\n");
+ return -ENODEV;
+ }
+
+ ret = tegra_asoc_utils_init();
+ if (ret) {
+ return ret;
+ }
+
+ /*
+ * Create and register platform device
+ */
+ harmony_snd_device = platform_device_alloc("soc-audio", -1);
+ if (harmony_snd_device == NULL) {
+ pr_err(PREFIX "platform_device_alloc failed\n");
+ ret = -ENOMEM;
+ goto err_clock_utils;
+ }
+
+ platform_set_drvdata(harmony_snd_device, &snd_soc_harmony);
+
+ ret = platform_device_add(harmony_snd_device);
+ if (ret) {
+ pr_err(PREFIX "platform_device_add failed (%d)\n",
+ ret);
+ goto err_device_put;
+ }
+
+ return 0;
+
+err_device_put:
+ platform_device_put(harmony_snd_device);
+err_clock_utils:
+ tegra_asoc_utils_fini();
+ return ret;
+}
+module_init(harmony_soc_modinit);
+
+static void __exit harmony_soc_modexit(void)
+{
+ platform_device_unregister(harmony_snd_device);
+
+ tegra_asoc_utils_fini();
+}
+module_exit(harmony_soc_modexit);
+
+MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
+MODULE_DESCRIPTION("Harmony machine ASoC driver");
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * tegra_asoc_utils.c - Harmony machine ASoC driver
+ *
+ * Author: Stephen Warren <swarren@nvidia.com>
+ * Copyright (C) 2010 - NVIDIA, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/kernel.h>
+
+#include "tegra_asoc_utils.h"
+
+#define PREFIX "ASoC Tegra: "
+
+static struct clk *clk_pll_a;
+static struct clk *clk_pll_a_out0;
+static struct clk *clk_cdev1;
+
+static int set_baseclock, set_mclk;
+
+int tegra_asoc_utils_set_rate(int srate, int mclk, int *mclk_change)
+{
+ int new_baseclock;
+ int err;
+
+ switch (srate) {
+ case 11025:
+ case 22050:
+ case 44100:
+ case 88200:
+ new_baseclock = 56448000;
+ break;
+ case 8000:
+ case 16000:
+ case 32000:
+ case 48000:
+ case 64000:
+ case 96000:
+ new_baseclock = 73728000;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ *mclk_change = ((new_baseclock != set_baseclock) ||
+ (mclk != set_mclk));
+ if (!*mclk_change)
+ return 0;
+
+ set_baseclock = 0;
+ set_mclk = 0;
+
+ clk_disable(clk_cdev1);
+ clk_disable(clk_pll_a_out0);
+ clk_disable(clk_pll_a);
+
+ err = clk_set_rate(clk_pll_a, new_baseclock);
+ if (err) {
+ pr_err(PREFIX "Can't set pll_a rate: %d\n", err);
+ return err;
+ }
+
+ err = clk_set_rate(clk_pll_a_out0, mclk);
+ if (err) {
+ pr_err(PREFIX "Can't set pll_a_out0 rate: %d\n", err);
+ return err;
+ }
+
+ /* Don't set cdev1 rate; its locked to pll_a_out0 */
+
+ err = clk_enable(clk_pll_a);
+ if (err) {
+ pr_err(PREFIX "Can't enable pll_a: %d\n", err);
+ return err;
+ }
+
+ err = clk_enable(clk_pll_a_out0);
+ if (err) {
+ pr_err(PREFIX "Can't enable pll_a_out0: %d\n", err);
+ return err;
+ }
+
+ err = clk_enable(clk_cdev1);
+ if (err) {
+ pr_err(PREFIX "Can't enable cdev1: %d\n", err);
+ return err;
+ }
+
+ set_baseclock = new_baseclock;
+ set_mclk = mclk;
+
+ return 0;
+}
+
+int tegra_asoc_utils_init(void)
+{
+ int ret;
+
+ clk_pll_a = clk_get_sys(NULL, "pll_a");
+ if (IS_ERR(clk_pll_a)) {
+ pr_err(PREFIX "Can't retrieve clk pll_a\n");
+ ret = PTR_ERR(clk_pll_a);
+ goto err;
+ }
+
+ clk_pll_a_out0 = clk_get_sys(NULL, "pll_a_out0");
+ if (IS_ERR(clk_pll_a_out0)) {
+ pr_err(PREFIX "Can't retrieve clk pll_a_out0\n");
+ ret = PTR_ERR(clk_pll_a_out0);
+ goto err_put_pll_a;
+ }
+
+ clk_cdev1 = clk_get_sys(NULL, "cdev1");
+ if (IS_ERR(clk_cdev1)) {
+ pr_err(PREFIX "Can't retrieve clk cdev1\n");
+ ret = PTR_ERR(clk_cdev1);
+ goto err_put_pll_a_out0;
+ }
+
+ return 0;
+
+err_put_pll_a_out0:
+ clk_put(clk_pll_a_out0);
+err_put_pll_a:
+ clk_put(clk_pll_a);
+err:
+ return ret;
+}
+
+void tegra_asoc_utils_fini(void)
+{
+ clk_put(clk_cdev1);
+ clk_put(clk_pll_a_out0);
+ clk_put(clk_pll_a);
+}
+
--- /dev/null
+/*
+ * tegra_asoc_utils.h - Definitions for Tegra DAS driver
+ *
+ * Author: Stephen Warren <swarren@nvidia.com>
+ * Copyright (C) 2010 - NVIDIA, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef __TEGRA_ASOC_UTILS_H__
+#define __TEGRA_ASOC_UTILS_H_
+
+int tegra_asoc_utils_set_rate(int srate, int mclk_rate, int *mclk_change);
+int tegra_asoc_utils_init(void);
+void tegra_asoc_utils_fini(void);
+
+#endif
+
--- /dev/null
+/*
+ * tegra_das.c - Tegra DAS driver
+ *
+ * Author: Stephen Warren <swarren@nvidia.com>
+ * Copyright (C) 2010 - NVIDIA, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/debugfs.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <mach/iomap.h>
+#include <sound/soc.h>
+#include "tegra_das.h"
+
+#define DRV_NAME "tegra-das"
+
+static struct tegra_das *das;
+
+static inline void tegra_das_write(u32 reg, u32 val)
+{
+ __raw_writel(val, das->regs + reg);
+}
+
+static inline u32 tegra_das_read(u32 reg)
+{
+ return __raw_readl(das->regs + reg);
+}
+
+int tegra_das_connect_dap_to_dac(int dap, int dac)
+{
+ u32 addr;
+ u32 reg;
+
+ if (!das)
+ return -ENODEV;
+
+ addr = TEGRA_DAS_DAP_CTRL_SEL +
+ (dap * TEGRA_DAS_DAP_CTRL_SEL_STRIDE);
+ reg = dac << TEGRA_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL_P;
+
+ tegra_das_write(addr, reg);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(tegra_das_connect_dap_to_dac);
+
+int tegra_das_connect_dap_to_dap(int dap, int otherdap, int master,
+ int sdata1rx, int sdata2rx)
+{
+ u32 addr;
+ u32 reg;
+
+ if (!das)
+ return -ENODEV;
+
+ addr = TEGRA_DAS_DAP_CTRL_SEL +
+ (dap * TEGRA_DAS_DAP_CTRL_SEL_STRIDE);
+ reg = otherdap << TEGRA_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL_P |
+ !!sdata2rx << TEGRA_DAS_DAP_CTRL_SEL_DAP_SDATA2_TX_RX_P |
+ !!sdata1rx << TEGRA_DAS_DAP_CTRL_SEL_DAP_SDATA1_TX_RX_P |
+ !!master << TEGRA_DAS_DAP_CTRL_SEL_DAP_MS_SEL_P;
+
+ tegra_das_write(addr, reg);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(tegra_das_connect_dap_to_dap);
+
+int tegra_das_connect_dac_to_dap(int dac, int dap)
+{
+ u32 addr;
+ u32 reg;
+
+ if (!das)
+ return -ENODEV;
+
+ addr = TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL +
+ (dac * TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_STRIDE);
+ reg = dap << TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_CLK_SEL_P |
+ dap << TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA1_SEL_P |
+ dap << TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA2_SEL_P;
+
+ tegra_das_write(addr, reg);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(tegra_das_connect_dac_to_dap);
+
+#ifdef CONFIG_DEBUG_FS
+static int tegra_das_show(struct seq_file *s, void *unused)
+{
+ int i;
+ u32 addr;
+ u32 reg;
+
+ for (i = 0; i < TEGRA_DAS_DAP_CTRL_SEL_COUNT; i++) {
+ addr = TEGRA_DAS_DAP_CTRL_SEL +
+ (i * TEGRA_DAS_DAP_CTRL_SEL_STRIDE);
+ reg = tegra_das_read(addr);
+ seq_printf(s, "TEGRA_DAS_DAP_CTRL_SEL[%d] = %08x\n", i, reg);
+ }
+
+ for (i = 0; i < TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_COUNT; i++) {
+ addr = TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL +
+ (i * TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_STRIDE);
+ reg = tegra_das_read(addr);
+ seq_printf(s, "TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL[%d] = %08x\n",
+ i, reg);
+ }
+
+ return 0;
+}
+
+static int tegra_das_debug_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, tegra_das_show, inode->i_private);
+}
+
+static const struct file_operations tegra_das_debug_fops = {
+ .open = tegra_das_debug_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static void tegra_das_debug_add(struct tegra_das *das)
+{
+ das->debug = debugfs_create_file(DRV_NAME, S_IRUGO,
+ snd_soc_debugfs_root, das,
+ &tegra_das_debug_fops);
+}
+
+static void tegra_das_debug_remove(struct tegra_das *das)
+{
+ if (das->debug)
+ debugfs_remove(das->debug);
+}
+#else
+static inline void tegra_das_debug_add(struct tegra_das *das)
+{
+}
+
+static inline void tegra_das_debug_remove(struct tegra_das *das)
+{
+}
+#endif
+
+static int __devinit tegra_das_probe(struct platform_device *pdev)
+{
+ struct resource *res, *region;
+ int ret = 0;
+
+ if (das)
+ return -ENODEV;
+
+ das = kzalloc(sizeof(struct tegra_das), GFP_KERNEL);
+ if (!das) {
+ dev_err(&pdev->dev, "Can't allocate tegra_das\n");
+ ret = -ENOMEM;
+ goto exit;
+ }
+ das->dev = &pdev->dev;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "No memory resource\n");
+ ret = -ENODEV;
+ goto err_free;
+ }
+
+ region = request_mem_region(res->start, resource_size(res),
+ pdev->name);
+ if (!region) {
+ dev_err(&pdev->dev, "Memory region already claimed\n");
+ ret = -EBUSY;
+ goto err_free;
+ }
+
+ das->regs = ioremap(res->start, resource_size(res));
+ if (!das->regs) {
+ dev_err(&pdev->dev, "ioremap failed\n");
+ ret = -ENOMEM;
+ goto err_release;
+ }
+
+ tegra_das_debug_add(das);
+
+ platform_set_drvdata(pdev, das);
+
+ return 0;
+
+err_release:
+ release_mem_region(res->start, resource_size(res));
+err_free:
+ kfree(das);
+ das = 0;
+exit:
+ return ret;
+}
+
+static int __devexit tegra_das_remove(struct platform_device *pdev)
+{
+ struct resource *res;
+
+ if (!das)
+ return -ENODEV;
+
+ platform_set_drvdata(pdev, NULL);
+
+ tegra_das_debug_remove(das);
+
+ iounmap(das->regs);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ release_mem_region(res->start, resource_size(res));
+
+ kfree(das);
+ das = 0;
+
+ return 0;
+}
+
+static struct platform_driver tegra_das_driver = {
+ .probe = tegra_das_probe,
+ .remove = __devexit_p(tegra_das_remove),
+ .driver = {
+ .name = DRV_NAME,
+ },
+};
+
+static int __init tegra_das_modinit(void)
+{
+ return platform_driver_register(&tegra_das_driver);
+}
+module_init(tegra_das_modinit);
+
+static void __exit tegra_das_modexit(void)
+{
+ platform_driver_unregister(&tegra_das_driver);
+}
+module_exit(tegra_das_modexit);
+
+MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
+MODULE_DESCRIPTION("Tegra DAS driver");
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * tegra_das.h - Definitions for Tegra DAS driver
+ *
+ * Author: Stephen Warren <swarren@nvidia.com>
+ * Copyright (C) 2010 - NVIDIA, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef __TEGRA_DAS_H__
+#define __TEGRA_DAS_H__
+
+/* Register TEGRA_DAS_DAP_CTRL_SEL */
+#define TEGRA_DAS_DAP_CTRL_SEL 0x00
+#define TEGRA_DAS_DAP_CTRL_SEL_COUNT 5
+#define TEGRA_DAS_DAP_CTRL_SEL_STRIDE 4
+#define TEGRA_DAS_DAP_CTRL_SEL_DAP_MS_SEL_P 31
+#define TEGRA_DAS_DAP_CTRL_SEL_DAP_MS_SEL_S 1
+#define TEGRA_DAS_DAP_CTRL_SEL_DAP_SDATA1_TX_RX_P 30
+#define TEGRA_DAS_DAP_CTRL_SEL_DAP_SDATA1_TX_RX_S 1
+#define TEGRA_DAS_DAP_CTRL_SEL_DAP_SDATA2_TX_RX_P 29
+#define TEGRA_DAS_DAP_CTRL_SEL_DAP_SDATA2_TX_RX_S 1
+#define TEGRA_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL_P 0
+#define TEGRA_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL_S 5
+
+/* Values for field TEGRA_DAS_DAP_CTRL_SEL_DAP_CTRL_SEL */
+#define TEGRA_DAS_DAP_SEL_DAC1 0
+#define TEGRA_DAS_DAP_SEL_DAC2 1
+#define TEGRA_DAS_DAP_SEL_DAC3 2
+#define TEGRA_DAS_DAP_SEL_DAP1 16
+#define TEGRA_DAS_DAP_SEL_DAP2 17
+#define TEGRA_DAS_DAP_SEL_DAP3 18
+#define TEGRA_DAS_DAP_SEL_DAP4 19
+#define TEGRA_DAS_DAP_SEL_DAP5 20
+
+/* Register TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL */
+#define TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL 0x40
+#define TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_COUNT 3
+#define TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_STRIDE 4
+#define TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA2_SEL_P 28
+#define TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA2_SEL_S 4
+#define TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA1_SEL_P 24
+#define TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA1_SEL_S 4
+#define TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_CLK_SEL_P 0
+#define TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_CLK_SEL_S 4
+
+/*
+ * Values for:
+ * TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA2_SEL
+ * TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_SDATA1_SEL
+ * TEGRA_DAS_DAC_INPUT_DATA_CLK_SEL_DAC_CLK_SEL
+ */
+#define TEGRA_DAS_DAC_SEL_DAP1 0
+#define TEGRA_DAS_DAC_SEL_DAP2 1
+#define TEGRA_DAS_DAC_SEL_DAP3 2
+#define TEGRA_DAS_DAC_SEL_DAP4 3
+#define TEGRA_DAS_DAC_SEL_DAP5 4
+
+/*
+ * Names/IDs of the DACs/DAPs.
+ */
+
+#define TEGRA_DAS_DAP_ID_1 0
+#define TEGRA_DAS_DAP_ID_2 1
+#define TEGRA_DAS_DAP_ID_3 2
+#define TEGRA_DAS_DAP_ID_4 3
+#define TEGRA_DAS_DAP_ID_5 4
+
+#define TEGRA_DAS_DAC_ID_1 0
+#define TEGRA_DAS_DAC_ID_2 1
+#define TEGRA_DAS_DAC_ID_3 2
+
+struct tegra_das {
+ struct device *dev;
+ void __iomem *regs;
+ struct dentry *debug;
+};
+
+/*
+ * Terminology:
+ * DAS: Digital audio switch (HW module controlled by this driver)
+ * DAP: Digital audio port (port/pins on Tegra device)
+ * DAC: Digital audio controller (e.g. I2S or AC97 controller elsewhere)
+ *
+ * The Tegra DAS is a mux/cross-bar which can connect each DAP to a specific
+ * DAC, or another DAP. When DAPs are connected, one must be the master and
+ * one the slave. Each DAC allows selection of a specific DAP for input, to
+ * cater for the case where N DAPs are connected to 1 DAC for broadcast
+ * output.
+ *
+ * This driver is dumb; no attempt is made to ensure that a valid routing
+ * configuration is programmed.
+ */
+
+/*
+ * Connect a DAP to to a DAC
+ * dap_id: DAP to connect: TEGRA_DAS_DAP_ID_*
+ * dac_sel: DAC to connect to: TEGRA_DAS_DAP_SEL_DAC*
+ */
+extern int tegra_das_connect_dap_to_dac(int dap_id, int dac_sel);
+
+/*
+ * Connect a DAP to to another DAP
+ * dap_id: DAP to connect: TEGRA_DAS_DAP_ID_*
+ * other_dap_sel: DAP to connect to: TEGRA_DAS_DAP_SEL_DAP*
+ * master: Is this DAP the master (1) or slave (0)
+ * sdata1rx: Is this DAP's SDATA1 pin RX (1) or TX (0)
+ * sdata2rx: Is this DAP's SDATA2 pin RX (1) or TX (0)
+ */
+extern int tegra_das_connect_dap_to_dap(int dap_id, int other_dap_sel,
+ int master, int sdata1rx,
+ int sdata2rx);
+
+/*
+ * Connect a DAC's input to a DAP
+ * (DAC outputs are selected by the DAP)
+ * dac_id: DAC ID to connect: TEGRA_DAS_DAC_ID_*
+ * dap_sel: DAP to receive input from: TEGRA_DAS_DAC_SEL_DAP*
+ */
+extern int tegra_das_connect_dac_to_dap(int dac_id, int dap_sel);
+
+#endif
--- /dev/null
+/*
+ * tegra_i2s.c - Tegra I2S driver
+ *
+ * Author: Stephen Warren <swarren@nvidia.com>
+ * Copyright (C) 2010 - NVIDIA, Inc.
+ *
+ * Based on code copyright/by:
+ *
+ * Copyright (c) 2009-2010, NVIDIA Corporation.
+ * Scott Peterson <speterson@nvidia.com>
+ *
+ * Copyright (C) 2010 Google, Inc.
+ * Iliyan Malchev <malchev@google.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/clk.h>
+#include <linux/module.h>
+#include <linux/debugfs.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <mach/iomap.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include "tegra_das.h"
+#include "tegra_i2s.h"
+
+#define DRV_NAME "tegra-i2s"
+
+static inline void tegra_i2s_write(struct tegra_i2s *i2s, u32 reg, u32 val)
+{
+ __raw_writel(val, i2s->regs + reg);
+}
+
+static inline u32 tegra_i2s_read(struct tegra_i2s *i2s, u32 reg)
+{
+ return __raw_readl(i2s->regs + reg);
+}
+
+#ifdef CONFIG_DEBUG_FS
+static int tegra_i2s_show(struct seq_file *s, void *unused)
+{
+#define REG(r) { r, #r }
+ static const struct {
+ int offset;
+ const char *name;
+ } regs[] = {
+ REG(TEGRA_I2S_CTRL),
+ REG(TEGRA_I2S_STATUS),
+ REG(TEGRA_I2S_TIMING),
+ REG(TEGRA_I2S_FIFO_SCR),
+ REG(TEGRA_I2S_PCM_CTRL),
+ REG(TEGRA_I2S_NW_CTRL),
+ REG(TEGRA_I2S_TDM_CTRL),
+ REG(TEGRA_I2S_TDM_TX_RX_CTRL),
+ };
+#undef REG
+
+ struct tegra_i2s *i2s = s->private;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(regs); i++) {
+ u32 val = tegra_i2s_read(i2s, regs[i].offset);
+ seq_printf(s, "%s = %08x\n", regs[i].name, val);
+ }
+
+ return 0;
+}
+
+static int tegra_i2s_debug_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, tegra_i2s_show, inode->i_private);
+}
+
+static const struct file_operations tegra_i2s_debug_fops = {
+ .open = tegra_i2s_debug_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static void tegra_i2s_debug_add(struct tegra_i2s *i2s, int id)
+{
+ char name[] = DRV_NAME ".0";
+
+ snprintf(name, sizeof(name), DRV_NAME".%1d", id);
+ i2s->debug = debugfs_create_file(name, S_IRUGO, snd_soc_debugfs_root,
+ i2s, &tegra_i2s_debug_fops);
+}
+
+static void tegra_i2s_debug_remove(struct tegra_i2s *i2s)
+{
+ if (i2s->debug)
+ debugfs_remove(i2s->debug);
+}
+#else
+static inline void tegra_i2s_debug_add(struct tegra_i2s *i2s)
+{
+}
+
+static inline void tegra_i2s_debug_remove(struct tegra_i2s *i2s)
+{
+}
+#endif
+
+static int tegra_i2s_set_fmt(struct snd_soc_dai *dai,
+ unsigned int fmt)
+{
+ struct tegra_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ i2s->reg_ctrl &= ~TEGRA_I2S_CTRL_MASTER_ENABLE;
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ i2s->reg_ctrl |= TEGRA_I2S_CTRL_MASTER_ENABLE;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFM:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ i2s->reg_ctrl &= ~(TEGRA_I2S_CTRL_BIT_FORMAT_MASK |
+ TEGRA_I2S_CTRL_LRCK_MASK);
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_DSP_A:
+ i2s->reg_ctrl |= TEGRA_I2S_CTRL_BIT_FORMAT_DSP;
+ i2s->reg_ctrl |= TEGRA_I2S_CTRL_LRCK_L_LOW;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ i2s->reg_ctrl |= TEGRA_I2S_CTRL_BIT_FORMAT_DSP;
+ i2s->reg_ctrl |= TEGRA_I2S_CTRL_LRCK_R_LOW;
+ break;
+ case SND_SOC_DAIFMT_I2S:
+ i2s->reg_ctrl |= TEGRA_I2S_CTRL_BIT_FORMAT_I2S;
+ i2s->reg_ctrl |= TEGRA_I2S_CTRL_LRCK_L_LOW;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ i2s->reg_ctrl |= TEGRA_I2S_CTRL_BIT_FORMAT_RJM;
+ i2s->reg_ctrl |= TEGRA_I2S_CTRL_LRCK_L_LOW;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ i2s->reg_ctrl |= TEGRA_I2S_CTRL_BIT_FORMAT_LJM;
+ i2s->reg_ctrl |= TEGRA_I2S_CTRL_LRCK_L_LOW;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int tegra_i2s_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct device *dev = substream->pcm->card->dev;
+ struct tegra_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+ u32 reg;
+ int ret, sample_size, srate, i2sclock, bitcnt;
+
+ i2s->reg_ctrl &= ~TEGRA_I2S_CTRL_BIT_SIZE_MASK;
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ i2s->reg_ctrl |= TEGRA_I2S_CTRL_BIT_SIZE_16;
+ sample_size = 16;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ i2s->reg_ctrl |= TEGRA_I2S_CTRL_BIT_SIZE_24;
+ sample_size = 24;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ i2s->reg_ctrl |= TEGRA_I2S_CTRL_BIT_SIZE_32;
+ sample_size = 32;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ srate = params_rate(params);
+
+ /* Final "* 2" required by Tegra hardware */
+ i2sclock = srate * params_channels(params) * sample_size * 2;
+
+ ret = clk_set_rate(i2s->clk_i2s, i2sclock);
+ if (ret) {
+ dev_err(dev, "Can't set I2S clock rate: %d\n", ret);
+ return ret;
+ }
+
+ bitcnt = (i2sclock / (2 * srate)) - 1;
+ if (bitcnt < 0 || bitcnt > TEGRA_I2S_TIMING_CHANNEL_BIT_COUNT_MASK_US)
+ return -EINVAL;
+ reg = bitcnt << TEGRA_I2S_TIMING_CHANNEL_BIT_COUNT_SHIFT;
+
+ if (i2sclock % (2 * srate))
+ reg |= TEGRA_I2S_TIMING_NON_SYM_ENABLE;
+
+ tegra_i2s_write(i2s, TEGRA_I2S_TIMING, reg);
+
+ tegra_i2s_write(i2s, TEGRA_I2S_FIFO_SCR,
+ TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_FOUR_SLOTS |
+ TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_FOUR_SLOTS);
+
+ return 0;
+}
+
+static void tegra_i2s_start_playback(struct tegra_i2s *i2s)
+{
+ i2s->reg_ctrl |= TEGRA_I2S_CTRL_FIFO1_ENABLE;
+ tegra_i2s_write(i2s, TEGRA_I2S_CTRL, i2s->reg_ctrl);
+}
+
+static void tegra_i2s_stop_playback(struct tegra_i2s *i2s)
+{
+ i2s->reg_ctrl &= ~TEGRA_I2S_CTRL_FIFO1_ENABLE;
+ tegra_i2s_write(i2s, TEGRA_I2S_CTRL, i2s->reg_ctrl);
+}
+
+static void tegra_i2s_start_capture(struct tegra_i2s *i2s)
+{
+ i2s->reg_ctrl |= TEGRA_I2S_CTRL_FIFO2_ENABLE;
+ tegra_i2s_write(i2s, TEGRA_I2S_CTRL, i2s->reg_ctrl);
+}
+
+static void tegra_i2s_stop_capture(struct tegra_i2s *i2s)
+{
+ i2s->reg_ctrl &= ~TEGRA_I2S_CTRL_FIFO2_ENABLE;
+ tegra_i2s_write(i2s, TEGRA_I2S_CTRL, i2s->reg_ctrl);
+}
+
+static int tegra_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
+ struct snd_soc_dai *dai)
+{
+ struct tegra_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ if (!i2s->clk_refs)
+ clk_enable(i2s->clk_i2s);
+ i2s->clk_refs++;
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ tegra_i2s_start_playback(i2s);
+ else
+ tegra_i2s_start_capture(i2s);
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ tegra_i2s_stop_playback(i2s);
+ else
+ tegra_i2s_stop_capture(i2s);
+ i2s->clk_refs--;
+ if (!i2s->clk_refs)
+ clk_disable(i2s->clk_i2s);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int tegra_i2s_probe(struct snd_soc_dai *dai)
+{
+ struct tegra_i2s * i2s = snd_soc_dai_get_drvdata(dai);
+
+ dai->capture_dma_data = &i2s->capture_dma_data;
+ dai->playback_dma_data = &i2s->playback_dma_data;
+
+ return 0;
+}
+
+static struct snd_soc_dai_ops tegra_i2s_dai_ops = {
+ .set_fmt = tegra_i2s_set_fmt,
+ .hw_params = tegra_i2s_hw_params,
+ .trigger = tegra_i2s_trigger,
+};
+
+struct snd_soc_dai_driver tegra_i2s_dai[] = {
+ {
+ .name = DRV_NAME ".0",
+ .probe = tegra_i2s_probe,
+ .playback = {
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_96000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+ .capture = {
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_96000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+ .ops = &tegra_i2s_dai_ops,
+ .symmetric_rates = 1,
+ },
+ {
+ .name = DRV_NAME ".1",
+ .probe = tegra_i2s_probe,
+ .playback = {
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_96000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+ .capture = {
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_96000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ },
+ .ops = &tegra_i2s_dai_ops,
+ .symmetric_rates = 1,
+ },
+};
+
+static __devinit int tegra_i2s_platform_probe(struct platform_device *pdev)
+{
+ struct tegra_i2s * i2s;
+ char clk_name[12]; /* tegra-i2s.0 */
+ struct resource *mem, *memregion, *dmareq;
+ int ret;
+
+ if ((pdev->id < 0) ||
+ (pdev->id >= ARRAY_SIZE(tegra_i2s_dai))) {
+ dev_err(&pdev->dev, "ID %d out of range\n", pdev->id);
+ return -EINVAL;
+ }
+
+ /*
+ * FIXME: Until a codec driver exists for the tegra DAS, hard-code a
+ * 1:1 mapping between audio controllers and audio ports.
+ */
+ ret = tegra_das_connect_dap_to_dac(TEGRA_DAS_DAP_ID_1 + pdev->id,
+ TEGRA_DAS_DAP_SEL_DAC1 + pdev->id);
+ if (ret) {
+ dev_err(&pdev->dev, "Can't set up DAP connection\n");
+ return ret;
+ }
+ ret = tegra_das_connect_dac_to_dap(TEGRA_DAS_DAC_ID_1 + pdev->id,
+ TEGRA_DAS_DAC_SEL_DAP1 + pdev->id);
+ if (ret) {
+ dev_err(&pdev->dev, "Can't set up DAC connection\n");
+ return ret;
+ }
+
+ i2s = kzalloc(sizeof(struct tegra_i2s), GFP_KERNEL);
+ if (!i2s) {
+ dev_err(&pdev->dev, "Can't allocate tegra_i2s\n");
+ ret = -ENOMEM;
+ goto exit;
+ }
+ dev_set_drvdata(&pdev->dev, i2s);
+
+ snprintf(clk_name, sizeof(clk_name), DRV_NAME ".%d", pdev->id);
+ i2s->clk_i2s = clk_get_sys(clk_name, NULL);
+ if (IS_ERR(i2s->clk_i2s)) {
+ pr_err("Can't retrieve i2s clock\n");
+ ret = PTR_ERR(i2s->clk_i2s);
+ goto err_free;
+ }
+
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!mem) {
+ dev_err(&pdev->dev, "No memory resource\n");
+ ret = -ENODEV;
+ goto err_clk_put;
+ }
+
+ dmareq = platform_get_resource(pdev, IORESOURCE_DMA, 0);
+ if (!dmareq) {
+ dev_err(&pdev->dev, "No DMA resource\n");
+ ret = -ENODEV;
+ goto err_clk_put;
+ }
+
+ memregion = request_mem_region(mem->start, resource_size(mem),
+ DRV_NAME);
+ if (!memregion) {
+ dev_err(&pdev->dev, "Memory region already claimed\n");
+ ret = -EBUSY;
+ goto err_clk_put;
+ }
+
+ i2s->regs = ioremap(mem->start, resource_size(mem));
+ if (!i2s->regs) {
+ dev_err(&pdev->dev, "ioremap failed\n");
+ ret = -ENOMEM;
+ goto err_release;
+ }
+
+ i2s->capture_dma_data.addr = mem->start + TEGRA_I2S_FIFO2;
+ i2s->capture_dma_data.wrap = 4;
+ i2s->capture_dma_data.width = 32;
+ i2s->capture_dma_data.req_sel = dmareq->start;
+
+ i2s->playback_dma_data.addr = mem->start + TEGRA_I2S_FIFO1;
+ i2s->playback_dma_data.wrap = 4;
+ i2s->playback_dma_data.width = 32;
+ i2s->playback_dma_data.req_sel = dmareq->start;
+
+ i2s->reg_ctrl = TEGRA_I2S_CTRL_FIFO_FORMAT_PACKED;
+
+ ret = snd_soc_register_dai(&pdev->dev, &tegra_i2s_dai[pdev->id]);
+ if (ret) {
+ dev_err(&pdev->dev, "Could not register DAI: %d\n", ret);
+ ret = -ENOMEM;
+ goto err_unmap;
+ }
+
+ tegra_i2s_debug_add(i2s, pdev->id);
+
+ return 0;
+
+err_unmap:
+ iounmap(i2s->regs);
+err_release:
+ release_mem_region(mem->start, resource_size(mem));
+err_clk_put:
+ clk_put(i2s->clk_i2s);
+err_free:
+ kfree(i2s);
+exit:
+ return ret;
+}
+
+static int __devexit tegra_i2s_platform_remove(struct platform_device *pdev)
+{
+ struct tegra_i2s *i2s = dev_get_drvdata(&pdev->dev);
+ struct resource *res;
+
+ snd_soc_unregister_dai(&pdev->dev);
+
+ tegra_i2s_debug_remove(i2s);
+
+ iounmap(i2s->regs);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ release_mem_region(res->start, resource_size(res));
+
+ clk_put(i2s->clk_i2s);
+
+ kfree(i2s);
+
+ return 0;
+}
+
+static struct platform_driver tegra_i2s_driver = {
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ },
+ .probe = tegra_i2s_platform_probe,
+ .remove = __devexit_p(tegra_i2s_platform_remove),
+};
+
+static int __init snd_tegra_i2s_init(void)
+{
+ return platform_driver_register(&tegra_i2s_driver);
+}
+module_init(snd_tegra_i2s_init);
+
+static void __exit snd_tegra_i2s_exit(void)
+{
+ platform_driver_unregister(&tegra_i2s_driver);
+}
+module_exit(snd_tegra_i2s_exit);
+
+MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
+MODULE_DESCRIPTION("Tegra I2S ASoC driver");
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * tegra_i2s.h - Definitions for Tegra I2S driver
+ *
+ * Author: Stephen Warren <swarren@nvidia.com>
+ * Copyright (C) 2010 - NVIDIA, Inc.
+ *
+ * Based on code copyright/by:
+ *
+ * Copyright (c) 2009-2010, NVIDIA Corporation.
+ * Scott Peterson <speterson@nvidia.com>
+ *
+ * Copyright (C) 2010 Google, Inc.
+ * Iliyan Malchev <malchev@google.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef __TEGRA_I2S_H__
+#define __TEGRA_I2S_H__
+
+#include "tegra_pcm.h"
+
+/* Register offsets from TEGRA_I2S1_BASE and TEGRA_I2S2_BASE */
+
+#define TEGRA_I2S_CTRL 0x00
+#define TEGRA_I2S_STATUS 0x04
+#define TEGRA_I2S_TIMING 0x08
+#define TEGRA_I2S_FIFO_SCR 0x0c
+#define TEGRA_I2S_PCM_CTRL 0x10
+#define TEGRA_I2S_NW_CTRL 0x14
+#define TEGRA_I2S_TDM_CTRL 0x20
+#define TEGRA_I2S_TDM_TX_RX_CTRL 0x24
+#define TEGRA_I2S_FIFO1 0x40
+#define TEGRA_I2S_FIFO2 0x80
+
+/* Fields in TEGRA_I2S_CTRL */
+
+#define TEGRA_I2S_CTRL_FIFO2_TX_ENABLE (1 << 30)
+#define TEGRA_I2S_CTRL_FIFO1_ENABLE (1 << 29)
+#define TEGRA_I2S_CTRL_FIFO2_ENABLE (1 << 28)
+#define TEGRA_I2S_CTRL_FIFO1_RX_ENABLE (1 << 27)
+#define TEGRA_I2S_CTRL_FIFO_LPBK_ENABLE (1 << 26)
+#define TEGRA_I2S_CTRL_MASTER_ENABLE (1 << 25)
+
+#define TEGRA_I2S_LRCK_LEFT_LOW 0
+#define TEGRA_I2S_LRCK_RIGHT_LOW 1
+
+#define TEGRA_I2S_CTRL_LRCK_SHIFT 24
+#define TEGRA_I2S_CTRL_LRCK_MASK (1 << TEGRA_I2S_CTRL_LRCK_SHIFT)
+#define TEGRA_I2S_CTRL_LRCK_L_LOW (TEGRA_I2S_LRCK_LEFT_LOW << TEGRA_I2S_CTRL_LRCK_SHIFT)
+#define TEGRA_I2S_CTRL_LRCK_R_LOW (TEGRA_I2S_LRCK_RIGHT_LOW << TEGRA_I2S_CTRL_LRCK_SHIFT)
+
+#define TEGRA_I2S_BIT_FORMAT_I2S 0
+#define TEGRA_I2S_BIT_FORMAT_RJM 1
+#define TEGRA_I2S_BIT_FORMAT_LJM 2
+#define TEGRA_I2S_BIT_FORMAT_DSP 3
+
+#define TEGRA_I2S_CTRL_BIT_FORMAT_SHIFT 10
+#define TEGRA_I2S_CTRL_BIT_FORMAT_MASK (3 << TEGRA_I2S_CTRL_BIT_FORMAT_SHIFT)
+#define TEGRA_I2S_CTRL_BIT_FORMAT_I2S (TEGRA_I2S_BIT_FORMAT_I2S << TEGRA_I2S_CTRL_BIT_FORMAT_SHIFT)
+#define TEGRA_I2S_CTRL_BIT_FORMAT_RJM (TEGRA_I2S_BIT_FORMAT_RJM << TEGRA_I2S_CTRL_BIT_FORMAT_SHIFT)
+#define TEGRA_I2S_CTRL_BIT_FORMAT_LJM (TEGRA_I2S_BIT_FORMAT_LJM << TEGRA_I2S_CTRL_BIT_FORMAT_SHIFT)
+#define TEGRA_I2S_CTRL_BIT_FORMAT_DSP (TEGRA_I2S_BIT_FORMAT_DSP << TEGRA_I2S_CTRL_BIT_FORMAT_SHIFT)
+
+#define TEGRA_I2S_BIT_SIZE_16 0
+#define TEGRA_I2S_BIT_SIZE_20 1
+#define TEGRA_I2S_BIT_SIZE_24 2
+#define TEGRA_I2S_BIT_SIZE_32 3
+
+#define TEGRA_I2S_CTRL_BIT_SIZE_SHIFT 8
+#define TEGRA_I2S_CTRL_BIT_SIZE_MASK (3 << TEGRA_I2S_CTRL_BIT_SIZE_SHIFT)
+#define TEGRA_I2S_CTRL_BIT_SIZE_16 (TEGRA_I2S_BIT_SIZE_16 << TEGRA_I2S_CTRL_BIT_SIZE_SHIFT)
+#define TEGRA_I2S_CTRL_BIT_SIZE_20 (TEGRA_I2S_BIT_SIZE_20 << TEGRA_I2S_CTRL_BIT_SIZE_SHIFT)
+#define TEGRA_I2S_CTRL_BIT_SIZE_24 (TEGRA_I2S_BIT_SIZE_24 << TEGRA_I2S_CTRL_BIT_SIZE_SHIFT)
+#define TEGRA_I2S_CTRL_BIT_SIZE_32 (TEGRA_I2S_BIT_SIZE_32 << TEGRA_I2S_CTRL_BIT_SIZE_SHIFT)
+
+#define TEGRA_I2S_FIFO_16_LSB 0
+#define TEGRA_I2S_FIFO_20_LSB 1
+#define TEGRA_I2S_FIFO_24_LSB 2
+#define TEGRA_I2S_FIFO_32 3
+#define TEGRA_I2S_FIFO_PACKED 7
+
+#define TEGRA_I2S_CTRL_FIFO_FORMAT_SHIFT 4
+#define TEGRA_I2S_CTRL_FIFO_FORMAT_MASK (7 << TEGRA_I2S_CTRL_FIFO_FORMAT_SHIFT)
+#define TEGRA_I2S_CTRL_FIFO_FORMAT_16_LSB (TEGRA_I2S_FIFO_16_LSB << TEGRA_I2S_CTRL_FIFO_FORMAT_SHIFT)
+#define TEGRA_I2S_CTRL_FIFO_FORMAT_20_LSB (TEGRA_I2S_FIFO_20_LSB << TEGRA_I2S_CTRL_FIFO_FORMAT_SHIFT)
+#define TEGRA_I2S_CTRL_FIFO_FORMAT_24_LSB (TEGRA_I2S_FIFO_24_LSB << TEGRA_I2S_CTRL_FIFO_FORMAT_SHIFT)
+#define TEGRA_I2S_CTRL_FIFO_FORMAT_32 (TEGRA_I2S_FIFO_32 << TEGRA_I2S_CTRL_FIFO_FORMAT_SHIFT)
+#define TEGRA_I2S_CTRL_FIFO_FORMAT_PACKED (TEGRA_I2S_FIFO_PACKED << TEGRA_I2S_CTRL_FIFO_FORMAT_SHIFT)
+
+#define TEGRA_I2S_CTRL_IE_FIFO1_ERR (1 << 3)
+#define TEGRA_I2S_CTRL_IE_FIFO2_ERR (1 << 2)
+#define TEGRA_I2S_CTRL_QE_FIFO1 (1 << 1)
+#define TEGRA_I2S_CTRL_QE_FIFO2 (1 << 0)
+
+/* Fields in TEGRA_I2S_STATUS */
+
+#define TEGRA_I2S_STATUS_FIFO1_RDY (1 << 31)
+#define TEGRA_I2S_STATUS_FIFO2_RDY (1 << 30)
+#define TEGRA_I2S_STATUS_FIFO1_BSY (1 << 29)
+#define TEGRA_I2S_STATUS_FIFO2_BSY (1 << 28)
+#define TEGRA_I2S_STATUS_FIFO1_ERR (1 << 3)
+#define TEGRA_I2S_STATUS_FIFO2_ERR (1 << 2)
+#define TEGRA_I2S_STATUS_QS_FIFO1 (1 << 1)
+#define TEGRA_I2S_STATUS_QS_FIFO2 (1 << 0)
+
+/* Fields in TEGRA_I2S_TIMING */
+
+#define TEGRA_I2S_TIMING_NON_SYM_ENABLE (1 << 12)
+#define TEGRA_I2S_TIMING_CHANNEL_BIT_COUNT_SHIFT 0
+#define TEGRA_I2S_TIMING_CHANNEL_BIT_COUNT_MASK_US 0x7fff
+#define TEGRA_I2S_TIMING_CHANNEL_BIT_COUNT_MASK (TEGRA_I2S_TIMING_CHANNEL_BIT_COUNT_MASK_US << TEGRA_I2S_TIMING_CHANNEL_BIT_COUNT_SHIFT)
+
+/* Fields in TEGRA_I2S_FIFO_SCR */
+
+#define TEGRA_I2S_FIFO_SCR_FIFO2_FULL_EMPTY_COUNT_SHIFT 24
+#define TEGRA_I2S_FIFO_SCR_FIFO1_FULL_EMPTY_COUNT_SHIFT 16
+#define TEGRA_I2S_FIFO_SCR_FIFO_FULL_EMPTY_COUNT_MASK 0x3f
+
+#define TEGRA_I2S_FIFO_SCR_FIFO2_CLR (1 << 12)
+#define TEGRA_I2S_FIFO_SCR_FIFO1_CLR (1 << 8)
+
+#define TEGRA_I2S_FIFO_ATN_LVL_ONE_SLOT 0
+#define TEGRA_I2S_FIFO_ATN_LVL_FOUR_SLOTS 1
+#define TEGRA_I2S_FIFO_ATN_LVL_EIGHT_SLOTS 2
+#define TEGRA_I2S_FIFO_ATN_LVL_TWELVE_SLOTS 3
+
+#define TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT 4
+#define TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_MASK (3 << TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT)
+#define TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_ONE_SLOT (TEGRA_I2S_FIFO_ATN_LVL_ONE_SLOT << TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT)
+#define TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_FOUR_SLOTS (TEGRA_I2S_FIFO_ATN_LVL_FOUR_SLOTS << TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT)
+#define TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_EIGHT_SLOTS (TEGRA_I2S_FIFO_ATN_LVL_EIGHT_SLOTS << TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT)
+#define TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_TWELVE_SLOTS (TEGRA_I2S_FIFO_ATN_LVL_TWELVE_SLOTS << TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_SHIFT)
+
+#define TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT 0
+#define TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_MASK (3 << TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT)
+#define TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_ONE_SLOT (TEGRA_I2S_FIFO_ATN_LVL_ONE_SLOT << TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT)
+#define TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_FOUR_SLOTS (TEGRA_I2S_FIFO_ATN_LVL_FOUR_SLOTS << TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT)
+#define TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_EIGHT_SLOTS (TEGRA_I2S_FIFO_ATN_LVL_EIGHT_SLOTS << TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT)
+#define TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_TWELVE_SLOTS (TEGRA_I2S_FIFO_ATN_LVL_TWELVE_SLOTS << TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_SHIFT)
+
+struct tegra_i2s {
+ struct clk *clk_i2s;
+ int clk_refs;
+ struct tegra_pcm_dma_params capture_dma_data;
+ struct tegra_pcm_dma_params playback_dma_data;
+ void __iomem *regs;
+ struct dentry *debug;
+ u32 reg_ctrl;
+};
+
+#endif
--- /dev/null
+/*
+ * tegra_pcm.c - Tegra PCM driver
+ *
+ * Author: Stephen Warren <swarren@nvidia.com>
+ * Copyright (C) 2010 - NVIDIA, Inc.
+ *
+ * Based on code copyright/by:
+ *
+ * Copyright (c) 2009-2010, NVIDIA Corporation.
+ * Scott Peterson <speterson@nvidia.com>
+ * Vijay Mali <vmali@nvidia.com>
+ *
+ * Copyright (C) 2010 Google, Inc.
+ * Iliyan Malchev <malchev@google.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/dma-mapping.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include "tegra_pcm.h"
+
+static const struct snd_pcm_hardware tegra_pcm_hardware = {
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_RESUME |
+ SNDRV_PCM_INFO_INTERLEAVED,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .channels_min = 2,
+ .channels_max = 2,
+ .period_bytes_min = 1024,
+ .period_bytes_max = PAGE_SIZE,
+ .periods_min = 2,
+ .periods_max = 8,
+ .buffer_bytes_max = PAGE_SIZE * 8,
+ .fifo_size = 4,
+};
+
+static void tegra_pcm_queue_dma(struct tegra_runtime_data *prtd)
+{
+ struct snd_pcm_substream *substream = prtd->substream;
+ struct snd_dma_buffer *buf = &substream->dma_buffer;
+ struct tegra_dma_req *dma_req;
+ unsigned long addr;
+
+ dma_req = &prtd->dma_req[prtd->dma_req_idx];
+ prtd->dma_req_idx = 1 - prtd->dma_req_idx;
+
+ addr = buf->addr + prtd->dma_pos;
+ prtd->dma_pos += dma_req->size;
+ if (prtd->dma_pos >= prtd->dma_pos_end)
+ prtd->dma_pos = 0;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ dma_req->source_addr = addr;
+ else
+ dma_req->dest_addr = addr;
+
+ tegra_dma_enqueue_req(prtd->dma_chan, dma_req);
+}
+
+static void dma_complete_callback(struct tegra_dma_req *req)
+{
+ struct tegra_runtime_data *prtd = (struct tegra_runtime_data *)req->dev;
+ struct snd_pcm_substream *substream = prtd->substream;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ spin_lock(&prtd->lock);
+
+ if (!prtd->running) {
+ spin_unlock(&prtd->lock);
+ return;
+ }
+
+ if (++prtd->period_index >= runtime->periods)
+ prtd->period_index = 0;
+
+ tegra_pcm_queue_dma(prtd);
+
+ spin_unlock(&prtd->lock);
+
+ snd_pcm_period_elapsed(substream);
+}
+
+static void setup_dma_tx_request(struct tegra_dma_req *req,
+ struct tegra_pcm_dma_params * dmap)
+{
+ req->complete = dma_complete_callback;
+ req->to_memory = false;
+ req->dest_addr = dmap->addr;
+ req->dest_wrap = dmap->wrap;
+ req->source_bus_width = 32;
+ req->source_wrap = 0;
+ req->dest_bus_width = dmap->width;
+ req->req_sel = dmap->req_sel;
+}
+
+static void setup_dma_rx_request(struct tegra_dma_req *req,
+ struct tegra_pcm_dma_params * dmap)
+{
+ req->complete = dma_complete_callback;
+ req->to_memory = true;
+ req->source_addr = dmap->addr;
+ req->dest_wrap = 0;
+ req->source_bus_width = dmap->width;
+ req->source_wrap = dmap->wrap;
+ req->dest_bus_width = 32;
+ req->req_sel = dmap->req_sel;
+}
+
+static int tegra_pcm_open(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct tegra_runtime_data *prtd;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct tegra_pcm_dma_params * dmap;
+ int ret = 0;
+
+ prtd = kzalloc(sizeof(struct tegra_runtime_data), GFP_KERNEL);
+ if (prtd == NULL)
+ return -ENOMEM;
+
+ runtime->private_data = prtd;
+ prtd->substream = substream;
+
+ spin_lock_init(&prtd->lock);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ dmap = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+ setup_dma_tx_request(&prtd->dma_req[0], dmap);
+ setup_dma_tx_request(&prtd->dma_req[1], dmap);
+ } else {
+ dmap = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+ setup_dma_rx_request(&prtd->dma_req[0], dmap);
+ setup_dma_rx_request(&prtd->dma_req[1], dmap);
+ }
+
+ prtd->dma_req[0].dev = prtd;
+ prtd->dma_req[1].dev = prtd;
+
+ prtd->dma_chan = tegra_dma_allocate_channel(TEGRA_DMA_MODE_ONESHOT);
+ if (IS_ERR(prtd->dma_chan)) {
+ ret = PTR_ERR(prtd->dma_chan);
+ goto err;
+ }
+
+ /* Set HW params now that initialization is complete */
+ snd_soc_set_runtime_hwparams(substream, &tegra_pcm_hardware);
+
+ /* Ensure that buffer size is a multiple of period size */
+ ret = snd_pcm_hw_constraint_integer(runtime,
+ SNDRV_PCM_HW_PARAM_PERIODS);
+ if (ret < 0)
+ goto err;
+
+ return 0;
+
+err:
+ if (prtd->dma_chan) {
+ tegra_dma_free_channel(prtd->dma_chan);
+ }
+
+ kfree(prtd);
+
+ return ret;
+}
+
+static int tegra_pcm_close(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct tegra_runtime_data *prtd = runtime->private_data;
+
+ tegra_dma_free_channel(prtd->dma_chan);
+
+ kfree(prtd);
+
+ return 0;
+}
+
+static int tegra_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct tegra_runtime_data *prtd = runtime->private_data;
+
+ snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
+
+ prtd->dma_req[0].size = params_period_bytes(params);
+ prtd->dma_req[1].size = prtd->dma_req[0].size;
+
+ return 0;
+}
+
+static int tegra_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+ snd_pcm_set_runtime_buffer(substream, NULL);
+
+ return 0;
+}
+
+static int tegra_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct tegra_runtime_data *prtd = runtime->private_data;
+ unsigned long flags;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ prtd->dma_pos = 0;
+ prtd->dma_pos_end = frames_to_bytes(runtime, runtime->periods * runtime->period_size);
+ prtd->period_index = 0;
+ prtd->dma_req_idx = 0;
+ /* Fall-through */
+ case SNDRV_PCM_TRIGGER_RESUME:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ spin_lock_irqsave(&prtd->lock, flags);
+ prtd->running = 1;
+ spin_unlock_irqrestore(&prtd->lock, flags);
+ tegra_pcm_queue_dma(prtd);
+ tegra_pcm_queue_dma(prtd);
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ spin_lock_irqsave(&prtd->lock, flags);
+ prtd->running = 0;
+ spin_unlock_irqrestore(&prtd->lock, flags);
+ tegra_dma_dequeue_req(prtd->dma_chan, &prtd->dma_req[0]);
+ tegra_dma_dequeue_req(prtd->dma_chan, &prtd->dma_req[1]);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static snd_pcm_uframes_t tegra_pcm_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct tegra_runtime_data *prtd = runtime->private_data;
+
+ return prtd->period_index * runtime->period_size;
+}
+
+
+static int tegra_pcm_mmap(struct snd_pcm_substream *substream,
+ struct vm_area_struct *vma)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ return dma_mmap_writecombine(substream->pcm->card->dev, vma,
+ runtime->dma_area,
+ runtime->dma_addr,
+ runtime->dma_bytes);
+}
+
+static struct snd_pcm_ops tegra_pcm_ops = {
+ .open = tegra_pcm_open,
+ .close = tegra_pcm_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = tegra_pcm_hw_params,
+ .hw_free = tegra_pcm_hw_free,
+ .trigger = tegra_pcm_trigger,
+ .pointer = tegra_pcm_pointer,
+ .mmap = tegra_pcm_mmap,
+};
+
+static int tegra_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
+{
+ struct snd_pcm_substream *substream = pcm->streams[stream].substream;
+ struct snd_dma_buffer *buf = &substream->dma_buffer;
+ size_t size = tegra_pcm_hardware.buffer_bytes_max;
+
+ buf->area = dma_alloc_writecombine(pcm->card->dev, size,
+ &buf->addr, GFP_KERNEL);
+ if (!buf->area)
+ return -ENOMEM;
+
+ buf->dev.type = SNDRV_DMA_TYPE_DEV;
+ buf->dev.dev = pcm->card->dev;
+ buf->private_data = NULL;
+ buf->bytes = size;
+
+ return 0;
+}
+
+static void tegra_pcm_deallocate_dma_buffer(struct snd_pcm *pcm, int stream)
+{
+ struct snd_pcm_substream *substream = pcm->streams[stream].substream;
+ struct snd_dma_buffer *buf = &substream->dma_buffer;
+
+ if (!buf->area)
+ return;
+
+ dma_free_writecombine(pcm->card->dev, buf->bytes,
+ buf->area, buf->addr);
+ buf->area = NULL;
+}
+
+static u64 tegra_dma_mask = DMA_BIT_MASK(32);
+
+static int tegra_pcm_new(struct snd_card *card,
+ struct snd_soc_dai *dai, struct snd_pcm *pcm)
+{
+ int ret = 0;
+
+ if (!card->dev->dma_mask)
+ card->dev->dma_mask = &tegra_dma_mask;
+ if (!card->dev->coherent_dma_mask)
+ card->dev->coherent_dma_mask = 0xffffffff;
+
+ if (dai->driver->playback.channels_min) {
+ ret = tegra_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_PLAYBACK);
+ if (ret)
+ goto err;
+ }
+
+ if (dai->driver->capture.channels_min) {
+ ret = tegra_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_CAPTURE);
+ if (ret)
+ goto err_free_play;
+ }
+
+ return 0;
+
+err_free_play:
+ tegra_pcm_deallocate_dma_buffer(pcm, SNDRV_PCM_STREAM_PLAYBACK);
+err:
+ return ret;
+}
+
+static void tegra_pcm_free(struct snd_pcm *pcm)
+{
+ tegra_pcm_deallocate_dma_buffer(pcm, SNDRV_PCM_STREAM_CAPTURE);
+ tegra_pcm_deallocate_dma_buffer(pcm, SNDRV_PCM_STREAM_PLAYBACK);
+}
+
+struct snd_soc_platform_driver tegra_pcm_platform = {
+ .ops = &tegra_pcm_ops,
+ .pcm_new = tegra_pcm_new,
+ .pcm_free = tegra_pcm_free,
+};
+
+static int __devinit tegra_pcm_platform_probe(struct platform_device *pdev)
+{
+ return snd_soc_register_platform(&pdev->dev, &tegra_pcm_platform);
+}
+
+static int __devexit tegra_pcm_platform_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_platform(&pdev->dev);
+ return 0;
+}
+
+static struct platform_driver tegra_pcm_driver = {
+ .driver = {
+ .name = "tegra-pcm-audio",
+ .owner = THIS_MODULE,
+ },
+ .probe = tegra_pcm_platform_probe,
+ .remove = __devexit_p(tegra_pcm_platform_remove),
+};
+
+static int __init snd_tegra_pcm_init(void)
+{
+ return platform_driver_register(&tegra_pcm_driver);
+}
+module_init(snd_tegra_pcm_init);
+
+static void __exit snd_tegra_pcm_exit(void)
+{
+ platform_driver_unregister(&tegra_pcm_driver);
+}
+module_exit(snd_tegra_pcm_exit);
+
+MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
+MODULE_DESCRIPTION("Tegra PCM ASoC driver");
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * tegra_pcm.h - Definitions for Tegra PCM driver
+ *
+ * Author: Stephen Warren <swarren@nvidia.com>
+ * Copyright (C) 2010 - NVIDIA, Inc.
+ *
+ * Based on code copyright/by:
+ *
+ * Copyright (c) 2009-2010, NVIDIA Corporation.
+ * Scott Peterson <speterson@nvidia.com>
+ *
+ * Copyright (C) 2010 Google, Inc.
+ * Iliyan Malchev <malchev@google.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef __TEGRA_PCM_H__
+#define __TEGRA_PCM_H__
+
+#include <mach/dma.h>
+
+struct tegra_pcm_dma_params {
+ unsigned long addr;
+ unsigned long wrap;
+ unsigned long width;
+ unsigned long req_sel;
+};
+
+struct tegra_runtime_data {
+ struct snd_pcm_substream *substream;
+ spinlock_t lock;
+ int running;
+ int dma_pos;
+ int dma_pos_end;
+ int period_index;
+ int dma_req_idx;
+ struct tegra_dma_req dma_req[2];
+ struct tegra_dma_channel *dma_chan;
+};
+
+#endif
projects / cascardo / linux.git / commitdiff