+++ /dev/null
-/*
- * Copyright (C) 2011-2013 Freescale Semiconductor, Inc.
- *
- * 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.
- *
- * SH-Mobile High-Definition Multimedia Interface (HDMI) driver
- * for SLISHDMI13T and SLIPHDMIT IP cores
- *
- * Copyright (C) 2010, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
- */
-
-#include <linux/component.h>
-#include <linux/irq.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-#include <linux/hdmi.h>
-#include <linux/regmap.h>
-#include <linux/mfd/syscon.h>
-#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
-#include <linux/of_device.h>
-
-#include <drm/drmP.h>
-#include <drm/drm_crtc_helper.h>
-#include <drm/drm_edid.h>
-#include <drm/drm_encoder_slave.h>
-#include <video/imx-ipu-v3.h>
-
-#include "imx-hdmi.h"
-#include "imx-drm.h"
-
-#define HDMI_EDID_LEN 512
-
-#define RGB 0
-#define YCBCR444 1
-#define YCBCR422_16BITS 2
-#define YCBCR422_8BITS 3
-#define XVYCC444 4
-
-enum hdmi_datamap {
- RGB444_8B = 0x01,
- RGB444_10B = 0x03,
- RGB444_12B = 0x05,
- RGB444_16B = 0x07,
- YCbCr444_8B = 0x09,
- YCbCr444_10B = 0x0B,
- YCbCr444_12B = 0x0D,
- YCbCr444_16B = 0x0F,
- YCbCr422_8B = 0x16,
- YCbCr422_10B = 0x14,
- YCbCr422_12B = 0x12,
-};
-
-enum imx_hdmi_devtype {
- IMX6Q_HDMI,
- IMX6DL_HDMI,
-};
-
-static const u16 csc_coeff_default[3][4] = {
- { 0x2000, 0x0000, 0x0000, 0x0000 },
- { 0x0000, 0x2000, 0x0000, 0x0000 },
- { 0x0000, 0x0000, 0x2000, 0x0000 }
-};
-
-static const u16 csc_coeff_rgb_out_eitu601[3][4] = {
- { 0x2000, 0x6926, 0x74fd, 0x010e },
- { 0x2000, 0x2cdd, 0x0000, 0x7e9a },
- { 0x2000, 0x0000, 0x38b4, 0x7e3b }
-};
-
-static const u16 csc_coeff_rgb_out_eitu709[3][4] = {
- { 0x2000, 0x7106, 0x7a02, 0x00a7 },
- { 0x2000, 0x3264, 0x0000, 0x7e6d },
- { 0x2000, 0x0000, 0x3b61, 0x7e25 }
-};
-
-static const u16 csc_coeff_rgb_in_eitu601[3][4] = {
- { 0x2591, 0x1322, 0x074b, 0x0000 },
- { 0x6535, 0x2000, 0x7acc, 0x0200 },
- { 0x6acd, 0x7534, 0x2000, 0x0200 }
-};
-
-static const u16 csc_coeff_rgb_in_eitu709[3][4] = {
- { 0x2dc5, 0x0d9b, 0x049e, 0x0000 },
- { 0x62f0, 0x2000, 0x7d11, 0x0200 },
- { 0x6756, 0x78ab, 0x2000, 0x0200 }
-};
-
-struct hdmi_vmode {
- bool mdvi;
- bool mhsyncpolarity;
- bool mvsyncpolarity;
- bool minterlaced;
- bool mdataenablepolarity;
-
- unsigned int mpixelclock;
- unsigned int mpixelrepetitioninput;
- unsigned int mpixelrepetitionoutput;
-};
-
-struct hdmi_data_info {
- unsigned int enc_in_format;
- unsigned int enc_out_format;
- unsigned int enc_color_depth;
- unsigned int colorimetry;
- unsigned int pix_repet_factor;
- unsigned int hdcp_enable;
- struct hdmi_vmode video_mode;
-};
-
-struct imx_hdmi {
- struct drm_connector connector;
- struct drm_encoder encoder;
-
- enum imx_hdmi_devtype dev_type;
- struct device *dev;
- struct clk *isfr_clk;
- struct clk *iahb_clk;
-
- struct hdmi_data_info hdmi_data;
- int vic;
-
- u8 edid[HDMI_EDID_LEN];
- bool cable_plugin;
-
- bool phy_enabled;
- struct drm_display_mode previous_mode;
-
- struct regmap *regmap;
- struct i2c_adapter *ddc;
- void __iomem *regs;
-
- unsigned int sample_rate;
- int ratio;
-};
-
-static void imx_hdmi_set_ipu_di_mux(struct imx_hdmi *hdmi, int ipu_di)
-{
- regmap_update_bits(hdmi->regmap, IOMUXC_GPR3,
- IMX6Q_GPR3_HDMI_MUX_CTL_MASK,
- ipu_di << IMX6Q_GPR3_HDMI_MUX_CTL_SHIFT);
-}
-
-static inline void hdmi_writeb(struct imx_hdmi *hdmi, u8 val, int offset)
-{
- writeb(val, hdmi->regs + offset);
-}
-
-static inline u8 hdmi_readb(struct imx_hdmi *hdmi, int offset)
-{
- return readb(hdmi->regs + offset);
-}
-
-static void hdmi_modb(struct imx_hdmi *hdmi, u8 data, u8 mask, unsigned reg)
-{
- u8 val = hdmi_readb(hdmi, reg) & ~mask;
-
- val |= data & mask;
- hdmi_writeb(hdmi, val, reg);
-}
-
-static void hdmi_mask_writeb(struct imx_hdmi *hdmi, u8 data, unsigned int reg,
- u8 shift, u8 mask)
-{
- hdmi_modb(hdmi, data << shift, mask, reg);
-}
-
-static void hdmi_set_clock_regenerator_n(struct imx_hdmi *hdmi,
- unsigned int value)
-{
- hdmi_writeb(hdmi, value & 0xff, HDMI_AUD_N1);
- hdmi_writeb(hdmi, (value >> 8) & 0xff, HDMI_AUD_N2);
- hdmi_writeb(hdmi, (value >> 16) & 0x0f, HDMI_AUD_N3);
-
- /* nshift factor = 0 */
- hdmi_modb(hdmi, 0, HDMI_AUD_CTS3_N_SHIFT_MASK, HDMI_AUD_CTS3);
-}
-
-static void hdmi_regenerate_cts(struct imx_hdmi *hdmi, unsigned int cts)
-{
- /* Must be set/cleared first */
- hdmi_modb(hdmi, 0, HDMI_AUD_CTS3_CTS_MANUAL, HDMI_AUD_CTS3);
-
- hdmi_writeb(hdmi, cts & 0xff, HDMI_AUD_CTS1);
- hdmi_writeb(hdmi, (cts >> 8) & 0xff, HDMI_AUD_CTS2);
- hdmi_writeb(hdmi, ((cts >> 16) & HDMI_AUD_CTS3_AUDCTS19_16_MASK) |
- HDMI_AUD_CTS3_CTS_MANUAL, HDMI_AUD_CTS3);
-}
-
-static unsigned int hdmi_compute_n(unsigned int freq, unsigned long pixel_clk,
- unsigned int ratio)
-{
- unsigned int n = (128 * freq) / 1000;
-
- switch (freq) {
- case 32000:
- if (pixel_clk == 25170000)
- n = (ratio == 150) ? 9152 : 4576;
- else if (pixel_clk == 27020000)
- n = (ratio == 150) ? 8192 : 4096;
- else if (pixel_clk == 74170000 || pixel_clk == 148350000)
- n = 11648;
- else
- n = 4096;
- break;
-
- case 44100:
- if (pixel_clk == 25170000)
- n = 7007;
- else if (pixel_clk == 74170000)
- n = 17836;
- else if (pixel_clk == 148350000)
- n = (ratio == 150) ? 17836 : 8918;
- else
- n = 6272;
- break;
-
- case 48000:
- if (pixel_clk == 25170000)
- n = (ratio == 150) ? 9152 : 6864;
- else if (pixel_clk == 27020000)
- n = (ratio == 150) ? 8192 : 6144;
- else if (pixel_clk == 74170000)
- n = 11648;
- else if (pixel_clk == 148350000)
- n = (ratio == 150) ? 11648 : 5824;
- else
- n = 6144;
- break;
-
- case 88200:
- n = hdmi_compute_n(44100, pixel_clk, ratio) * 2;
- break;
-
- case 96000:
- n = hdmi_compute_n(48000, pixel_clk, ratio) * 2;
- break;
-
- case 176400:
- n = hdmi_compute_n(44100, pixel_clk, ratio) * 4;
- break;
-
- case 192000:
- n = hdmi_compute_n(48000, pixel_clk, ratio) * 4;
- break;
-
- default:
- break;
- }
-
- return n;
-}
-
-static unsigned int hdmi_compute_cts(unsigned int freq, unsigned long pixel_clk,
- unsigned int ratio)
-{
- unsigned int cts = 0;
-
- pr_debug("%s: freq: %d pixel_clk: %ld ratio: %d\n", __func__, freq,
- pixel_clk, ratio);
-
- switch (freq) {
- case 32000:
- if (pixel_clk == 297000000) {
- cts = 222750;
- break;
- }
- case 48000:
- case 96000:
- case 192000:
- switch (pixel_clk) {
- case 25200000:
- case 27000000:
- case 54000000:
- case 74250000:
- case 148500000:
- cts = pixel_clk / 1000;
- break;
- case 297000000:
- cts = 247500;
- break;
- /*
- * All other TMDS clocks are not supported by
- * DWC_hdmi_tx. The TMDS clocks divided or
- * multiplied by 1,001 coefficients are not
- * supported.
- */
- default:
- break;
- }
- break;
- case 44100:
- case 88200:
- case 176400:
- switch (pixel_clk) {
- case 25200000:
- cts = 28000;
- break;
- case 27000000:
- cts = 30000;
- break;
- case 54000000:
- cts = 60000;
- break;
- case 74250000:
- cts = 82500;
- break;
- case 148500000:
- cts = 165000;
- break;
- case 297000000:
- cts = 247500;
- break;
- default:
- break;
- }
- break;
- default:
- break;
- }
- if (ratio == 100)
- return cts;
- return (cts * ratio) / 100;
-}
-
-static void hdmi_set_clk_regenerator(struct imx_hdmi *hdmi,
- unsigned long pixel_clk)
-{
- unsigned int clk_n, clk_cts;
-
- clk_n = hdmi_compute_n(hdmi->sample_rate, pixel_clk,
- hdmi->ratio);
- clk_cts = hdmi_compute_cts(hdmi->sample_rate, pixel_clk,
- hdmi->ratio);
-
- if (!clk_cts) {
- dev_dbg(hdmi->dev, "%s: pixel clock not supported: %lu\n",
- __func__, pixel_clk);
- return;
- }
-
- dev_dbg(hdmi->dev, "%s: samplerate=%d ratio=%d pixelclk=%lu N=%d cts=%d\n",
- __func__, hdmi->sample_rate, hdmi->ratio,
- pixel_clk, clk_n, clk_cts);
-
- hdmi_set_clock_regenerator_n(hdmi, clk_n);
- hdmi_regenerate_cts(hdmi, clk_cts);
-}
-
-static void hdmi_init_clk_regenerator(struct imx_hdmi *hdmi)
-{
- hdmi_set_clk_regenerator(hdmi, 74250000);
-}
-
-static void hdmi_clk_regenerator_update_pixel_clock(struct imx_hdmi *hdmi)
-{
- hdmi_set_clk_regenerator(hdmi, hdmi->hdmi_data.video_mode.mpixelclock);
-}
-
-/*
- * this submodule is responsible for the video data synchronization.
- * for example, for RGB 4:4:4 input, the data map is defined as
- * pin{47~40} <==> R[7:0]
- * pin{31~24} <==> G[7:0]
- * pin{15~8} <==> B[7:0]
- */
-static void hdmi_video_sample(struct imx_hdmi *hdmi)
-{
- int color_format = 0;
- u8 val;
-
- if (hdmi->hdmi_data.enc_in_format == RGB) {
- if (hdmi->hdmi_data.enc_color_depth == 8)
- color_format = 0x01;
- else if (hdmi->hdmi_data.enc_color_depth == 10)
- color_format = 0x03;
- else if (hdmi->hdmi_data.enc_color_depth == 12)
- color_format = 0x05;
- else if (hdmi->hdmi_data.enc_color_depth == 16)
- color_format = 0x07;
- else
- return;
- } else if (hdmi->hdmi_data.enc_in_format == YCBCR444) {
- if (hdmi->hdmi_data.enc_color_depth == 8)
- color_format = 0x09;
- else if (hdmi->hdmi_data.enc_color_depth == 10)
- color_format = 0x0B;
- else if (hdmi->hdmi_data.enc_color_depth == 12)
- color_format = 0x0D;
- else if (hdmi->hdmi_data.enc_color_depth == 16)
- color_format = 0x0F;
- else
- return;
- } else if (hdmi->hdmi_data.enc_in_format == YCBCR422_8BITS) {
- if (hdmi->hdmi_data.enc_color_depth == 8)
- color_format = 0x16;
- else if (hdmi->hdmi_data.enc_color_depth == 10)
- color_format = 0x14;
- else if (hdmi->hdmi_data.enc_color_depth == 12)
- color_format = 0x12;
- else
- return;
- }
-
- val = HDMI_TX_INVID0_INTERNAL_DE_GENERATOR_DISABLE |
- ((color_format << HDMI_TX_INVID0_VIDEO_MAPPING_OFFSET) &
- HDMI_TX_INVID0_VIDEO_MAPPING_MASK);
- hdmi_writeb(hdmi, val, HDMI_TX_INVID0);
-
- /* Enable TX stuffing: When DE is inactive, fix the output data to 0 */
- val = HDMI_TX_INSTUFFING_BDBDATA_STUFFING_ENABLE |
- HDMI_TX_INSTUFFING_RCRDATA_STUFFING_ENABLE |
- HDMI_TX_INSTUFFING_GYDATA_STUFFING_ENABLE;
- hdmi_writeb(hdmi, val, HDMI_TX_INSTUFFING);
- hdmi_writeb(hdmi, 0x0, HDMI_TX_GYDATA0);
- hdmi_writeb(hdmi, 0x0, HDMI_TX_GYDATA1);
- hdmi_writeb(hdmi, 0x0, HDMI_TX_RCRDATA0);
- hdmi_writeb(hdmi, 0x0, HDMI_TX_RCRDATA1);
- hdmi_writeb(hdmi, 0x0, HDMI_TX_BCBDATA0);
- hdmi_writeb(hdmi, 0x0, HDMI_TX_BCBDATA1);
-}
-
-static int is_color_space_conversion(struct imx_hdmi *hdmi)
-{
- return hdmi->hdmi_data.enc_in_format != hdmi->hdmi_data.enc_out_format;
-}
-
-static int is_color_space_decimation(struct imx_hdmi *hdmi)
-{
- if (hdmi->hdmi_data.enc_out_format != YCBCR422_8BITS)
- return 0;
- if (hdmi->hdmi_data.enc_in_format == RGB ||
- hdmi->hdmi_data.enc_in_format == YCBCR444)
- return 1;
- return 0;
-}
-
-static int is_color_space_interpolation(struct imx_hdmi *hdmi)
-{
- if (hdmi->hdmi_data.enc_in_format != YCBCR422_8BITS)
- return 0;
- if (hdmi->hdmi_data.enc_out_format == RGB ||
- hdmi->hdmi_data.enc_out_format == YCBCR444)
- return 1;
- return 0;
-}
-
-static void imx_hdmi_update_csc_coeffs(struct imx_hdmi *hdmi)
-{
- const u16 (*csc_coeff)[3][4] = &csc_coeff_default;
- unsigned i;
- u32 csc_scale = 1;
-
- if (is_color_space_conversion(hdmi)) {
- if (hdmi->hdmi_data.enc_out_format == RGB) {
- if (hdmi->hdmi_data.colorimetry ==
- HDMI_COLORIMETRY_ITU_601)
- csc_coeff = &csc_coeff_rgb_out_eitu601;
- else
- csc_coeff = &csc_coeff_rgb_out_eitu709;
- } else if (hdmi->hdmi_data.enc_in_format == RGB) {
- if (hdmi->hdmi_data.colorimetry ==
- HDMI_COLORIMETRY_ITU_601)
- csc_coeff = &csc_coeff_rgb_in_eitu601;
- else
- csc_coeff = &csc_coeff_rgb_in_eitu709;
- csc_scale = 0;
- }
- }
-
- /* The CSC registers are sequential, alternating MSB then LSB */
- for (i = 0; i < ARRAY_SIZE(csc_coeff_default[0]); i++) {
- u16 coeff_a = (*csc_coeff)[0][i];
- u16 coeff_b = (*csc_coeff)[1][i];
- u16 coeff_c = (*csc_coeff)[2][i];
-
- hdmi_writeb(hdmi, coeff_a & 0xff,
- HDMI_CSC_COEF_A1_LSB + i * 2);
- hdmi_writeb(hdmi, coeff_a >> 8, HDMI_CSC_COEF_A1_MSB + i * 2);
- hdmi_writeb(hdmi, coeff_b & 0xff, HDMI_CSC_COEF_B1_LSB + i * 2);
- hdmi_writeb(hdmi, coeff_b >> 8, HDMI_CSC_COEF_B1_MSB + i * 2);
- hdmi_writeb(hdmi, coeff_c & 0xff,
- HDMI_CSC_COEF_C1_LSB + i * 2);
- hdmi_writeb(hdmi, coeff_c >> 8, HDMI_CSC_COEF_C1_MSB + i * 2);
- }
-
- hdmi_modb(hdmi, csc_scale, HDMI_CSC_SCALE_CSCSCALE_MASK,
- HDMI_CSC_SCALE);
-}
-
-static void hdmi_video_csc(struct imx_hdmi *hdmi)
-{
- int color_depth = 0;
- int interpolation = HDMI_CSC_CFG_INTMODE_DISABLE;
- int decimation = 0;
-
- /* YCC422 interpolation to 444 mode */
- if (is_color_space_interpolation(hdmi))
- interpolation = HDMI_CSC_CFG_INTMODE_CHROMA_INT_FORMULA1;
- else if (is_color_space_decimation(hdmi))
- decimation = HDMI_CSC_CFG_DECMODE_CHROMA_INT_FORMULA3;
-
- if (hdmi->hdmi_data.enc_color_depth == 8)
- color_depth = HDMI_CSC_SCALE_CSC_COLORDE_PTH_24BPP;
- else if (hdmi->hdmi_data.enc_color_depth == 10)
- color_depth = HDMI_CSC_SCALE_CSC_COLORDE_PTH_30BPP;
- else if (hdmi->hdmi_data.enc_color_depth == 12)
- color_depth = HDMI_CSC_SCALE_CSC_COLORDE_PTH_36BPP;
- else if (hdmi->hdmi_data.enc_color_depth == 16)
- color_depth = HDMI_CSC_SCALE_CSC_COLORDE_PTH_48BPP;
- else
- return;
-
- /* Configure the CSC registers */
- hdmi_writeb(hdmi, interpolation | decimation, HDMI_CSC_CFG);
- hdmi_modb(hdmi, color_depth, HDMI_CSC_SCALE_CSC_COLORDE_PTH_MASK,
- HDMI_CSC_SCALE);
-
- imx_hdmi_update_csc_coeffs(hdmi);
-}
-
-/*
- * HDMI video packetizer is used to packetize the data.
- * for example, if input is YCC422 mode or repeater is used,
- * data should be repacked this module can be bypassed.
- */
-static void hdmi_video_packetize(struct imx_hdmi *hdmi)
-{
- unsigned int color_depth = 0;
- unsigned int remap_size = HDMI_VP_REMAP_YCC422_16bit;
- unsigned int output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_PP;
- struct hdmi_data_info *hdmi_data = &hdmi->hdmi_data;
- u8 val, vp_conf;
-
- if (hdmi_data->enc_out_format == RGB
- || hdmi_data->enc_out_format == YCBCR444) {
- if (!hdmi_data->enc_color_depth)
- output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS;
- else if (hdmi_data->enc_color_depth == 8) {
- color_depth = 4;
- output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS;
- } else if (hdmi_data->enc_color_depth == 10)
- color_depth = 5;
- else if (hdmi_data->enc_color_depth == 12)
- color_depth = 6;
- else if (hdmi_data->enc_color_depth == 16)
- color_depth = 7;
- else
- return;
- } else if (hdmi_data->enc_out_format == YCBCR422_8BITS) {
- if (!hdmi_data->enc_color_depth ||
- hdmi_data->enc_color_depth == 8)
- remap_size = HDMI_VP_REMAP_YCC422_16bit;
- else if (hdmi_data->enc_color_depth == 10)
- remap_size = HDMI_VP_REMAP_YCC422_20bit;
- else if (hdmi_data->enc_color_depth == 12)
- remap_size = HDMI_VP_REMAP_YCC422_24bit;
- else
- return;
- output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_YCC422;
- } else
- return;
-
- /* set the packetizer registers */
- val = ((color_depth << HDMI_VP_PR_CD_COLOR_DEPTH_OFFSET) &
- HDMI_VP_PR_CD_COLOR_DEPTH_MASK) |
- ((hdmi_data->pix_repet_factor <<
- HDMI_VP_PR_CD_DESIRED_PR_FACTOR_OFFSET) &
- HDMI_VP_PR_CD_DESIRED_PR_FACTOR_MASK);
- hdmi_writeb(hdmi, val, HDMI_VP_PR_CD);
-
- hdmi_modb(hdmi, HDMI_VP_STUFF_PR_STUFFING_STUFFING_MODE,
- HDMI_VP_STUFF_PR_STUFFING_MASK, HDMI_VP_STUFF);
-
- /* Data from pixel repeater block */
- if (hdmi_data->pix_repet_factor > 1) {
- vp_conf = HDMI_VP_CONF_PR_EN_ENABLE |
- HDMI_VP_CONF_BYPASS_SELECT_PIX_REPEATER;
- } else { /* data from packetizer block */
- vp_conf = HDMI_VP_CONF_PR_EN_DISABLE |
- HDMI_VP_CONF_BYPASS_SELECT_VID_PACKETIZER;
- }
-
- hdmi_modb(hdmi, vp_conf,
- HDMI_VP_CONF_PR_EN_MASK |
- HDMI_VP_CONF_BYPASS_SELECT_MASK, HDMI_VP_CONF);
-
- hdmi_modb(hdmi, 1 << HDMI_VP_STUFF_IDEFAULT_PHASE_OFFSET,
- HDMI_VP_STUFF_IDEFAULT_PHASE_MASK, HDMI_VP_STUFF);
-
- hdmi_writeb(hdmi, remap_size, HDMI_VP_REMAP);
-
- if (output_select == HDMI_VP_CONF_OUTPUT_SELECTOR_PP) {
- vp_conf = HDMI_VP_CONF_BYPASS_EN_DISABLE |
- HDMI_VP_CONF_PP_EN_ENABLE |
- HDMI_VP_CONF_YCC422_EN_DISABLE;
- } else if (output_select == HDMI_VP_CONF_OUTPUT_SELECTOR_YCC422) {
- vp_conf = HDMI_VP_CONF_BYPASS_EN_DISABLE |
- HDMI_VP_CONF_PP_EN_DISABLE |
- HDMI_VP_CONF_YCC422_EN_ENABLE;
- } else if (output_select == HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS) {
- vp_conf = HDMI_VP_CONF_BYPASS_EN_ENABLE |
- HDMI_VP_CONF_PP_EN_DISABLE |
- HDMI_VP_CONF_YCC422_EN_DISABLE;
- } else {
- return;
- }
-
- hdmi_modb(hdmi, vp_conf,
- HDMI_VP_CONF_BYPASS_EN_MASK | HDMI_VP_CONF_PP_EN_ENMASK |
- HDMI_VP_CONF_YCC422_EN_MASK, HDMI_VP_CONF);
-
- hdmi_modb(hdmi, HDMI_VP_STUFF_PP_STUFFING_STUFFING_MODE |
- HDMI_VP_STUFF_YCC422_STUFFING_STUFFING_MODE,
- HDMI_VP_STUFF_PP_STUFFING_MASK |
- HDMI_VP_STUFF_YCC422_STUFFING_MASK, HDMI_VP_STUFF);
-
- hdmi_modb(hdmi, output_select, HDMI_VP_CONF_OUTPUT_SELECTOR_MASK,
- HDMI_VP_CONF);
-}
-
-static inline void hdmi_phy_test_clear(struct imx_hdmi *hdmi,
- unsigned char bit)
-{
- hdmi_modb(hdmi, bit << HDMI_PHY_TST0_TSTCLR_OFFSET,
- HDMI_PHY_TST0_TSTCLR_MASK, HDMI_PHY_TST0);
-}
-
-static inline void hdmi_phy_test_enable(struct imx_hdmi *hdmi,
- unsigned char bit)
-{
- hdmi_modb(hdmi, bit << HDMI_PHY_TST0_TSTEN_OFFSET,
- HDMI_PHY_TST0_TSTEN_MASK, HDMI_PHY_TST0);
-}
-
-static inline void hdmi_phy_test_clock(struct imx_hdmi *hdmi,
- unsigned char bit)
-{
- hdmi_modb(hdmi, bit << HDMI_PHY_TST0_TSTCLK_OFFSET,
- HDMI_PHY_TST0_TSTCLK_MASK, HDMI_PHY_TST0);
-}
-
-static inline void hdmi_phy_test_din(struct imx_hdmi *hdmi,
- unsigned char bit)
-{
- hdmi_writeb(hdmi, bit, HDMI_PHY_TST1);
-}
-
-static inline void hdmi_phy_test_dout(struct imx_hdmi *hdmi,
- unsigned char bit)
-{
- hdmi_writeb(hdmi, bit, HDMI_PHY_TST2);
-}
-
-static bool hdmi_phy_wait_i2c_done(struct imx_hdmi *hdmi, int msec)
-{
- while ((hdmi_readb(hdmi, HDMI_IH_I2CMPHY_STAT0) & 0x3) == 0) {
- if (msec-- == 0)
- return false;
- udelay(1000);
- }
- return true;
-}
-
-static void __hdmi_phy_i2c_write(struct imx_hdmi *hdmi, unsigned short data,
- unsigned char addr)
-{
- hdmi_writeb(hdmi, 0xFF, HDMI_IH_I2CMPHY_STAT0);
- hdmi_writeb(hdmi, addr, HDMI_PHY_I2CM_ADDRESS_ADDR);
- hdmi_writeb(hdmi, (unsigned char)(data >> 8),
- HDMI_PHY_I2CM_DATAO_1_ADDR);
- hdmi_writeb(hdmi, (unsigned char)(data >> 0),
- HDMI_PHY_I2CM_DATAO_0_ADDR);
- hdmi_writeb(hdmi, HDMI_PHY_I2CM_OPERATION_ADDR_WRITE,
- HDMI_PHY_I2CM_OPERATION_ADDR);
- hdmi_phy_wait_i2c_done(hdmi, 1000);
-}
-
-static int hdmi_phy_i2c_write(struct imx_hdmi *hdmi, unsigned short data,
- unsigned char addr)
-{
- __hdmi_phy_i2c_write(hdmi, data, addr);
- return 0;
-}
-
-static void imx_hdmi_phy_enable_power(struct imx_hdmi *hdmi, u8 enable)
-{
- hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0,
- HDMI_PHY_CONF0_PDZ_OFFSET,
- HDMI_PHY_CONF0_PDZ_MASK);
-}
-
-static void imx_hdmi_phy_enable_tmds(struct imx_hdmi *hdmi, u8 enable)
-{
- hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0,
- HDMI_PHY_CONF0_ENTMDS_OFFSET,
- HDMI_PHY_CONF0_ENTMDS_MASK);
-}
-
-static void imx_hdmi_phy_gen2_pddq(struct imx_hdmi *hdmi, u8 enable)
-{
- hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0,
- HDMI_PHY_CONF0_GEN2_PDDQ_OFFSET,
- HDMI_PHY_CONF0_GEN2_PDDQ_MASK);
-}
-
-static void imx_hdmi_phy_gen2_txpwron(struct imx_hdmi *hdmi, u8 enable)
-{
- hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0,
- HDMI_PHY_CONF0_GEN2_TXPWRON_OFFSET,
- HDMI_PHY_CONF0_GEN2_TXPWRON_MASK);
-}
-
-static void imx_hdmi_phy_sel_data_en_pol(struct imx_hdmi *hdmi, u8 enable)
-{
- hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0,
- HDMI_PHY_CONF0_SELDATAENPOL_OFFSET,
- HDMI_PHY_CONF0_SELDATAENPOL_MASK);
-}
-
-static void imx_hdmi_phy_sel_interface_control(struct imx_hdmi *hdmi, u8 enable)
-{
- hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0,
- HDMI_PHY_CONF0_SELDIPIF_OFFSET,
- HDMI_PHY_CONF0_SELDIPIF_MASK);
-}
-
-enum {
- RES_8,
- RES_10,
- RES_12,
- RES_MAX,
-};
-
-struct mpll_config {
- unsigned long mpixelclock;
- struct {
- u16 cpce;
- u16 gmp;
- } res[RES_MAX];
-};
-
-static const struct mpll_config mpll_config[] = {
- {
- 45250000, {
- { 0x01e0, 0x0000 },
- { 0x21e1, 0x0000 },
- { 0x41e2, 0x0000 }
- },
- }, {
- 92500000, {
- { 0x0140, 0x0005 },
- { 0x2141, 0x0005 },
- { 0x4142, 0x0005 },
- },
- }, {
- 148500000, {
- { 0x00a0, 0x000a },
- { 0x20a1, 0x000a },
- { 0x40a2, 0x000a },
- },
- }, {
- ~0UL, {
- { 0x00a0, 0x000a },
- { 0x2001, 0x000f },
- { 0x4002, 0x000f },
- },
- }
-};
-
-struct curr_ctrl {
- unsigned long mpixelclock;
- u16 curr[RES_MAX];
-};
-
-static const struct curr_ctrl curr_ctrl[] = {
- /* pixelclk bpp8 bpp10 bpp12 */
- {
- 54000000, { 0x091c, 0x091c, 0x06dc },
- }, {
- 58400000, { 0x091c, 0x06dc, 0x06dc },
- }, {
- 72000000, { 0x06dc, 0x06dc, 0x091c },
- }, {
- 74250000, { 0x06dc, 0x0b5c, 0x091c },
- }, {
- 118800000, { 0x091c, 0x091c, 0x06dc },
- }, {
- 216000000, { 0x06dc, 0x0b5c, 0x091c },
- }
-};
-
-static int hdmi_phy_configure(struct imx_hdmi *hdmi, unsigned char prep,
- unsigned char res, int cscon)
-{
- unsigned res_idx, i;
- u8 val, msec;
-
- if (prep)
- return -EINVAL;
-
- switch (res) {
- case 0: /* color resolution 0 is 8 bit colour depth */
- case 8:
- res_idx = RES_8;
- break;
- case 10:
- res_idx = RES_10;
- break;
- case 12:
- res_idx = RES_12;
- break;
- default:
- return -EINVAL;
- }
-
- /* Enable csc path */
- if (cscon)
- val = HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_IN_PATH;
- else
- val = HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_BYPASS;
-
- hdmi_writeb(hdmi, val, HDMI_MC_FLOWCTRL);
-
- /* gen2 tx power off */
- imx_hdmi_phy_gen2_txpwron(hdmi, 0);
-
- /* gen2 pddq */
- imx_hdmi_phy_gen2_pddq(hdmi, 1);
-
- /* PHY reset */
- hdmi_writeb(hdmi, HDMI_MC_PHYRSTZ_DEASSERT, HDMI_MC_PHYRSTZ);
- hdmi_writeb(hdmi, HDMI_MC_PHYRSTZ_ASSERT, HDMI_MC_PHYRSTZ);
-
- hdmi_writeb(hdmi, HDMI_MC_HEACPHY_RST_ASSERT, HDMI_MC_HEACPHY_RST);
-
- hdmi_phy_test_clear(hdmi, 1);
- hdmi_writeb(hdmi, HDMI_PHY_I2CM_SLAVE_ADDR_PHY_GEN2,
- HDMI_PHY_I2CM_SLAVE_ADDR);
- hdmi_phy_test_clear(hdmi, 0);
-
- /* PLL/MPLL Cfg - always match on final entry */
- for (i = 0; i < ARRAY_SIZE(mpll_config) - 1; i++)
- if (hdmi->hdmi_data.video_mode.mpixelclock <=
- mpll_config[i].mpixelclock)
- break;
-
- hdmi_phy_i2c_write(hdmi, mpll_config[i].res[res_idx].cpce, 0x06);
- hdmi_phy_i2c_write(hdmi, mpll_config[i].res[res_idx].gmp, 0x15);
-
- for (i = 0; i < ARRAY_SIZE(curr_ctrl); i++)
- if (hdmi->hdmi_data.video_mode.mpixelclock <=
- curr_ctrl[i].mpixelclock)
- break;
-
- if (i >= ARRAY_SIZE(curr_ctrl)) {
- dev_err(hdmi->dev,
- "Pixel clock %d - unsupported by HDMI\n",
- hdmi->hdmi_data.video_mode.mpixelclock);
- return -EINVAL;
- }
-
- /* CURRCTRL */
- hdmi_phy_i2c_write(hdmi, curr_ctrl[i].curr[res_idx], 0x10);
-
- hdmi_phy_i2c_write(hdmi, 0x0000, 0x13); /* PLLPHBYCTRL */
- hdmi_phy_i2c_write(hdmi, 0x0006, 0x17);
- /* RESISTANCE TERM 133Ohm Cfg */
- hdmi_phy_i2c_write(hdmi, 0x0005, 0x19); /* TXTERM */
- /* PREEMP Cgf 0.00 */
- hdmi_phy_i2c_write(hdmi, 0x800d, 0x09); /* CKSYMTXCTRL */
- /* TX/CK LVL 10 */
- hdmi_phy_i2c_write(hdmi, 0x01ad, 0x0E); /* VLEVCTRL */
- /* REMOVE CLK TERM */
- hdmi_phy_i2c_write(hdmi, 0x8000, 0x05); /* CKCALCTRL */
-
- imx_hdmi_phy_enable_power(hdmi, 1);
-
- /* toggle TMDS enable */
- imx_hdmi_phy_enable_tmds(hdmi, 0);
- imx_hdmi_phy_enable_tmds(hdmi, 1);
-
- /* gen2 tx power on */
- imx_hdmi_phy_gen2_txpwron(hdmi, 1);
- imx_hdmi_phy_gen2_pddq(hdmi, 0);
-
- /*Wait for PHY PLL lock */
- msec = 5;
- do {
- val = hdmi_readb(hdmi, HDMI_PHY_STAT0) & HDMI_PHY_TX_PHY_LOCK;
- if (!val)
- break;
-
- if (msec == 0) {
- dev_err(hdmi->dev, "PHY PLL not locked\n");
- return -ETIMEDOUT;
- }
-
- udelay(1000);
- msec--;
- } while (1);
-
- return 0;
-}
-
-static int imx_hdmi_phy_init(struct imx_hdmi *hdmi)
-{
- int i, ret;
- bool cscon = false;
-
- /*check csc whether needed activated in HDMI mode */
- cscon = (is_color_space_conversion(hdmi) &&
- !hdmi->hdmi_data.video_mode.mdvi);
-
- /* HDMI Phy spec says to do the phy initialization sequence twice */
- for (i = 0; i < 2; i++) {
- imx_hdmi_phy_sel_data_en_pol(hdmi, 1);
- imx_hdmi_phy_sel_interface_control(hdmi, 0);
- imx_hdmi_phy_enable_tmds(hdmi, 0);
- imx_hdmi_phy_enable_power(hdmi, 0);
-
- /* Enable CSC */
- ret = hdmi_phy_configure(hdmi, 0, 8, cscon);
- if (ret)
- return ret;
- }
-
- hdmi->phy_enabled = true;
- return 0;
-}
-
-static void hdmi_tx_hdcp_config(struct imx_hdmi *hdmi)
-{
- u8 de;
-
- if (hdmi->hdmi_data.video_mode.mdataenablepolarity)
- de = HDMI_A_VIDPOLCFG_DATAENPOL_ACTIVE_HIGH;
- else
- de = HDMI_A_VIDPOLCFG_DATAENPOL_ACTIVE_LOW;
-
- /* disable rx detect */
- hdmi_modb(hdmi, HDMI_A_HDCPCFG0_RXDETECT_DISABLE,
- HDMI_A_HDCPCFG0_RXDETECT_MASK, HDMI_A_HDCPCFG0);
-
- hdmi_modb(hdmi, de, HDMI_A_VIDPOLCFG_DATAENPOL_MASK, HDMI_A_VIDPOLCFG);
-
- hdmi_modb(hdmi, HDMI_A_HDCPCFG1_ENCRYPTIONDISABLE_DISABLE,
- HDMI_A_HDCPCFG1_ENCRYPTIONDISABLE_MASK, HDMI_A_HDCPCFG1);
-}
-
-static void hdmi_config_AVI(struct imx_hdmi *hdmi)
-{
- u8 val, pix_fmt, under_scan;
- u8 act_ratio, coded_ratio, colorimetry, ext_colorimetry;
- bool aspect_16_9;
-
- aspect_16_9 = false; /* FIXME */
-
- /* AVI Data Byte 1 */
- if (hdmi->hdmi_data.enc_out_format == YCBCR444)
- pix_fmt = HDMI_FC_AVICONF0_PIX_FMT_YCBCR444;
- else if (hdmi->hdmi_data.enc_out_format == YCBCR422_8BITS)
- pix_fmt = HDMI_FC_AVICONF0_PIX_FMT_YCBCR422;
- else
- pix_fmt = HDMI_FC_AVICONF0_PIX_FMT_RGB;
-
- under_scan = HDMI_FC_AVICONF0_SCAN_INFO_NODATA;
-
- /*
- * Active format identification data is present in the AVI InfoFrame.
- * Under scan info, no bar data
- */
- val = pix_fmt | under_scan |
- HDMI_FC_AVICONF0_ACTIVE_FMT_INFO_PRESENT |
- HDMI_FC_AVICONF0_BAR_DATA_NO_DATA;
-
- hdmi_writeb(hdmi, val, HDMI_FC_AVICONF0);
-
- /* AVI Data Byte 2 -Set the Aspect Ratio */
- if (aspect_16_9) {
- act_ratio = HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_16_9;
- coded_ratio = HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_16_9;
- } else {
- act_ratio = HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_4_3;
- coded_ratio = HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_4_3;
- }
-
- /* Set up colorimetry */
- if (hdmi->hdmi_data.enc_out_format == XVYCC444) {
- colorimetry = HDMI_FC_AVICONF1_COLORIMETRY_EXTENDED_INFO;
- if (hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_601)
- ext_colorimetry =
- HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC601;
- else /*hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_709*/
- ext_colorimetry =
- HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC709;
- } else if (hdmi->hdmi_data.enc_out_format != RGB) {
- if (hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_601)
- colorimetry = HDMI_FC_AVICONF1_COLORIMETRY_SMPTE;
- else /*hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_709*/
- colorimetry = HDMI_FC_AVICONF1_COLORIMETRY_ITUR;
- ext_colorimetry = HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC601;
- } else { /* Carries no data */
- colorimetry = HDMI_FC_AVICONF1_COLORIMETRY_NO_DATA;
- ext_colorimetry = HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC601;
- }
-
- val = colorimetry | coded_ratio | act_ratio;
- hdmi_writeb(hdmi, val, HDMI_FC_AVICONF1);
-
- /* AVI Data Byte 3 */
- val = HDMI_FC_AVICONF2_IT_CONTENT_NO_DATA | ext_colorimetry |
- HDMI_FC_AVICONF2_RGB_QUANT_DEFAULT |
- HDMI_FC_AVICONF2_SCALING_NONE;
- hdmi_writeb(hdmi, val, HDMI_FC_AVICONF2);
-
- /* AVI Data Byte 4 */
- hdmi_writeb(hdmi, hdmi->vic, HDMI_FC_AVIVID);
-
- /* AVI Data Byte 5- set up input and output pixel repetition */
- val = (((hdmi->hdmi_data.video_mode.mpixelrepetitioninput + 1) <<
- HDMI_FC_PRCONF_INCOMING_PR_FACTOR_OFFSET) &
- HDMI_FC_PRCONF_INCOMING_PR_FACTOR_MASK) |
- ((hdmi->hdmi_data.video_mode.mpixelrepetitionoutput <<
- HDMI_FC_PRCONF_OUTPUT_PR_FACTOR_OFFSET) &
- HDMI_FC_PRCONF_OUTPUT_PR_FACTOR_MASK);
- hdmi_writeb(hdmi, val, HDMI_FC_PRCONF);
-
- /* IT Content and quantization range = don't care */
- val = HDMI_FC_AVICONF3_IT_CONTENT_TYPE_GRAPHICS |
- HDMI_FC_AVICONF3_QUANT_RANGE_LIMITED;
- hdmi_writeb(hdmi, val, HDMI_FC_AVICONF3);
-
- /* AVI Data Bytes 6-13 */
- hdmi_writeb(hdmi, 0, HDMI_FC_AVIETB0);
- hdmi_writeb(hdmi, 0, HDMI_FC_AVIETB1);
- hdmi_writeb(hdmi, 0, HDMI_FC_AVISBB0);
- hdmi_writeb(hdmi, 0, HDMI_FC_AVISBB1);
- hdmi_writeb(hdmi, 0, HDMI_FC_AVIELB0);
- hdmi_writeb(hdmi, 0, HDMI_FC_AVIELB1);
- hdmi_writeb(hdmi, 0, HDMI_FC_AVISRB0);
- hdmi_writeb(hdmi, 0, HDMI_FC_AVISRB1);
-}
-
-static void hdmi_av_composer(struct imx_hdmi *hdmi,
- const struct drm_display_mode *mode)
-{
- u8 inv_val;
- struct hdmi_vmode *vmode = &hdmi->hdmi_data.video_mode;
- int hblank, vblank, h_de_hs, v_de_vs, hsync_len, vsync_len;
-
- vmode->mhsyncpolarity = !!(mode->flags & DRM_MODE_FLAG_PHSYNC);
- vmode->mvsyncpolarity = !!(mode->flags & DRM_MODE_FLAG_PVSYNC);
- vmode->minterlaced = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
- vmode->mpixelclock = mode->clock * 1000;
-
- dev_dbg(hdmi->dev, "final pixclk = %d\n", vmode->mpixelclock);
-
- /* Set up HDMI_FC_INVIDCONF */
- inv_val = (hdmi->hdmi_data.hdcp_enable ?
- HDMI_FC_INVIDCONF_HDCP_KEEPOUT_ACTIVE :
- HDMI_FC_INVIDCONF_HDCP_KEEPOUT_INACTIVE);
-
- inv_val |= (vmode->mvsyncpolarity ?
- HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_ACTIVE_HIGH :
- HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_ACTIVE_LOW);
-
- inv_val |= (vmode->mhsyncpolarity ?
- HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_ACTIVE_HIGH :
- HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_ACTIVE_LOW);
-
- inv_val |= (vmode->mdataenablepolarity ?
- HDMI_FC_INVIDCONF_DE_IN_POLARITY_ACTIVE_HIGH :
- HDMI_FC_INVIDCONF_DE_IN_POLARITY_ACTIVE_LOW);
-
- if (hdmi->vic == 39)
- inv_val |= HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_ACTIVE_HIGH;
- else
- inv_val |= (vmode->minterlaced ?
- HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_ACTIVE_HIGH :
- HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_ACTIVE_LOW);
-
- inv_val |= (vmode->minterlaced ?
- HDMI_FC_INVIDCONF_IN_I_P_INTERLACED :
- HDMI_FC_INVIDCONF_IN_I_P_PROGRESSIVE);
-
- inv_val |= (vmode->mdvi ?
- HDMI_FC_INVIDCONF_DVI_MODEZ_DVI_MODE :
- HDMI_FC_INVIDCONF_DVI_MODEZ_HDMI_MODE);
-
- hdmi_writeb(hdmi, inv_val, HDMI_FC_INVIDCONF);
-
- /* Set up horizontal active pixel width */
- hdmi_writeb(hdmi, mode->hdisplay >> 8, HDMI_FC_INHACTV1);
- hdmi_writeb(hdmi, mode->hdisplay, HDMI_FC_INHACTV0);
-
- /* Set up vertical active lines */
- hdmi_writeb(hdmi, mode->vdisplay >> 8, HDMI_FC_INVACTV1);
- hdmi_writeb(hdmi, mode->vdisplay, HDMI_FC_INVACTV0);
-
- /* Set up horizontal blanking pixel region width */
- hblank = mode->htotal - mode->hdisplay;
- hdmi_writeb(hdmi, hblank >> 8, HDMI_FC_INHBLANK1);
- hdmi_writeb(hdmi, hblank, HDMI_FC_INHBLANK0);
-
- /* Set up vertical blanking pixel region width */
- vblank = mode->vtotal - mode->vdisplay;
- hdmi_writeb(hdmi, vblank, HDMI_FC_INVBLANK);
-
- /* Set up HSYNC active edge delay width (in pixel clks) */
- h_de_hs = mode->hsync_start - mode->hdisplay;
- hdmi_writeb(hdmi, h_de_hs >> 8, HDMI_FC_HSYNCINDELAY1);
- hdmi_writeb(hdmi, h_de_hs, HDMI_FC_HSYNCINDELAY0);
-
- /* Set up VSYNC active edge delay (in lines) */
- v_de_vs = mode->vsync_start - mode->vdisplay;
- hdmi_writeb(hdmi, v_de_vs, HDMI_FC_VSYNCINDELAY);
-
- /* Set up HSYNC active pulse width (in pixel clks) */
- hsync_len = mode->hsync_end - mode->hsync_start;
- hdmi_writeb(hdmi, hsync_len >> 8, HDMI_FC_HSYNCINWIDTH1);
- hdmi_writeb(hdmi, hsync_len, HDMI_FC_HSYNCINWIDTH0);
-
- /* Set up VSYNC active edge delay (in lines) */
- vsync_len = mode->vsync_end - mode->vsync_start;
- hdmi_writeb(hdmi, vsync_len, HDMI_FC_VSYNCINWIDTH);
-}
-
-static void imx_hdmi_phy_disable(struct imx_hdmi *hdmi)
-{
- if (!hdmi->phy_enabled)
- return;
-
- imx_hdmi_phy_enable_tmds(hdmi, 0);
- imx_hdmi_phy_enable_power(hdmi, 0);
-
- hdmi->phy_enabled = false;
-}
-
-/* HDMI Initialization Step B.4 */
-static void imx_hdmi_enable_video_path(struct imx_hdmi *hdmi)
-{
- u8 clkdis;
-
- /* control period minimum duration */
- hdmi_writeb(hdmi, 12, HDMI_FC_CTRLDUR);
- hdmi_writeb(hdmi, 32, HDMI_FC_EXCTRLDUR);
- hdmi_writeb(hdmi, 1, HDMI_FC_EXCTRLSPAC);
-
- /* Set to fill TMDS data channels */
- hdmi_writeb(hdmi, 0x0B, HDMI_FC_CH0PREAM);
- hdmi_writeb(hdmi, 0x16, HDMI_FC_CH1PREAM);
- hdmi_writeb(hdmi, 0x21, HDMI_FC_CH2PREAM);
-
- /* Enable pixel clock and tmds data path */
- clkdis = 0x7F;
- clkdis &= ~HDMI_MC_CLKDIS_PIXELCLK_DISABLE;
- hdmi_writeb(hdmi, clkdis, HDMI_MC_CLKDIS);
-
- clkdis &= ~HDMI_MC_CLKDIS_TMDSCLK_DISABLE;
- hdmi_writeb(hdmi, clkdis, HDMI_MC_CLKDIS);
-
- /* Enable csc path */
- if (is_color_space_conversion(hdmi)) {
- clkdis &= ~HDMI_MC_CLKDIS_CSCCLK_DISABLE;
- hdmi_writeb(hdmi, clkdis, HDMI_MC_CLKDIS);
- }
-}
-
-static void hdmi_enable_audio_clk(struct imx_hdmi *hdmi)
-{
- hdmi_modb(hdmi, 0, HDMI_MC_CLKDIS_AUDCLK_DISABLE, HDMI_MC_CLKDIS);
-}
-
-/* Workaround to clear the overflow condition */
-static void imx_hdmi_clear_overflow(struct imx_hdmi *hdmi)
-{
- int count;
- u8 val;
-
- /* TMDS software reset */
- hdmi_writeb(hdmi, (u8)~HDMI_MC_SWRSTZ_TMDSSWRST_REQ, HDMI_MC_SWRSTZ);
-
- val = hdmi_readb(hdmi, HDMI_FC_INVIDCONF);
- if (hdmi->dev_type == IMX6DL_HDMI) {
- hdmi_writeb(hdmi, val, HDMI_FC_INVIDCONF);
- return;
- }
-
- for (count = 0; count < 4; count++)
- hdmi_writeb(hdmi, val, HDMI_FC_INVIDCONF);
-}
-
-static void hdmi_enable_overflow_interrupts(struct imx_hdmi *hdmi)
-{
- hdmi_writeb(hdmi, 0, HDMI_FC_MASK2);
- hdmi_writeb(hdmi, 0, HDMI_IH_MUTE_FC_STAT2);
-}
-
-static void hdmi_disable_overflow_interrupts(struct imx_hdmi *hdmi)
-{
- hdmi_writeb(hdmi, HDMI_IH_MUTE_FC_STAT2_OVERFLOW_MASK,
- HDMI_IH_MUTE_FC_STAT2);
-}
-
-static int imx_hdmi_setup(struct imx_hdmi *hdmi, struct drm_display_mode *mode)
-{
- int ret;
-
- hdmi_disable_overflow_interrupts(hdmi);
-
- hdmi->vic = drm_match_cea_mode(mode);
-
- if (!hdmi->vic) {
- dev_dbg(hdmi->dev, "Non-CEA mode used in HDMI\n");
- hdmi->hdmi_data.video_mode.mdvi = true;
- } else {
- dev_dbg(hdmi->dev, "CEA mode used vic=%d\n", hdmi->vic);
- hdmi->hdmi_data.video_mode.mdvi = false;
- }
-
- if ((hdmi->vic == 6) || (hdmi->vic == 7) ||
- (hdmi->vic == 21) || (hdmi->vic == 22) ||
- (hdmi->vic == 2) || (hdmi->vic == 3) ||
- (hdmi->vic == 17) || (hdmi->vic == 18))
- hdmi->hdmi_data.colorimetry = HDMI_COLORIMETRY_ITU_601;
- else
- hdmi->hdmi_data.colorimetry = HDMI_COLORIMETRY_ITU_709;
-
- if ((hdmi->vic == 10) || (hdmi->vic == 11) ||
- (hdmi->vic == 12) || (hdmi->vic == 13) ||
- (hdmi->vic == 14) || (hdmi->vic == 15) ||
- (hdmi->vic == 25) || (hdmi->vic == 26) ||
- (hdmi->vic == 27) || (hdmi->vic == 28) ||
- (hdmi->vic == 29) || (hdmi->vic == 30) ||
- (hdmi->vic == 35) || (hdmi->vic == 36) ||
- (hdmi->vic == 37) || (hdmi->vic == 38))
- hdmi->hdmi_data.video_mode.mpixelrepetitionoutput = 1;
- else
- hdmi->hdmi_data.video_mode.mpixelrepetitionoutput = 0;
-
- hdmi->hdmi_data.video_mode.mpixelrepetitioninput = 0;
-
- /* TODO: Get input format from IPU (via FB driver interface) */
- hdmi->hdmi_data.enc_in_format = RGB;
-
- hdmi->hdmi_data.enc_out_format = RGB;
-
- hdmi->hdmi_data.enc_color_depth = 8;
- hdmi->hdmi_data.pix_repet_factor = 0;
- hdmi->hdmi_data.hdcp_enable = 0;
- hdmi->hdmi_data.video_mode.mdataenablepolarity = true;
-
- /* HDMI Initialization Step B.1 */
- hdmi_av_composer(hdmi, mode);
-
- /* HDMI Initializateion Step B.2 */
- ret = imx_hdmi_phy_init(hdmi);
- if (ret)
- return ret;
-
- /* HDMI Initialization Step B.3 */
- imx_hdmi_enable_video_path(hdmi);
-
- /* not for DVI mode */
- if (hdmi->hdmi_data.video_mode.mdvi)
- dev_dbg(hdmi->dev, "%s DVI mode\n", __func__);
- else {
- dev_dbg(hdmi->dev, "%s CEA mode\n", __func__);
-
- /* HDMI Initialization Step E - Configure audio */
- hdmi_clk_regenerator_update_pixel_clock(hdmi);
- hdmi_enable_audio_clk(hdmi);
-
- /* HDMI Initialization Step F - Configure AVI InfoFrame */
- hdmi_config_AVI(hdmi);
- }
-
- hdmi_video_packetize(hdmi);
- hdmi_video_csc(hdmi);
- hdmi_video_sample(hdmi);
- hdmi_tx_hdcp_config(hdmi);
-
- imx_hdmi_clear_overflow(hdmi);
- if (hdmi->cable_plugin && !hdmi->hdmi_data.video_mode.mdvi)
- hdmi_enable_overflow_interrupts(hdmi);
-
- return 0;
-}
-
-/* Wait until we are registered to enable interrupts */
-static int imx_hdmi_fb_registered(struct imx_hdmi *hdmi)
-{
- hdmi_writeb(hdmi, HDMI_PHY_I2CM_INT_ADDR_DONE_POL,
- HDMI_PHY_I2CM_INT_ADDR);
-
- hdmi_writeb(hdmi, HDMI_PHY_I2CM_CTLINT_ADDR_NAC_POL |
- HDMI_PHY_I2CM_CTLINT_ADDR_ARBITRATION_POL,
- HDMI_PHY_I2CM_CTLINT_ADDR);
-
- /* enable cable hot plug irq */
- hdmi_writeb(hdmi, (u8)~HDMI_PHY_HPD, HDMI_PHY_MASK0);
-
- /* Clear Hotplug interrupts */
- hdmi_writeb(hdmi, HDMI_IH_PHY_STAT0_HPD, HDMI_IH_PHY_STAT0);
-
- return 0;
-}
-
-static void initialize_hdmi_ih_mutes(struct imx_hdmi *hdmi)
-{
- u8 ih_mute;
-
- /*
- * Boot up defaults are:
- * HDMI_IH_MUTE = 0x03 (disabled)
- * HDMI_IH_MUTE_* = 0x00 (enabled)
- *
- * Disable top level interrupt bits in HDMI block
- */
- ih_mute = hdmi_readb(hdmi, HDMI_IH_MUTE) |
- HDMI_IH_MUTE_MUTE_WAKEUP_INTERRUPT |
- HDMI_IH_MUTE_MUTE_ALL_INTERRUPT;
-
- hdmi_writeb(hdmi, ih_mute, HDMI_IH_MUTE);
-
- /* by default mask all interrupts */
- hdmi_writeb(hdmi, 0xff, HDMI_VP_MASK);
- hdmi_writeb(hdmi, 0xff, HDMI_FC_MASK0);
- hdmi_writeb(hdmi, 0xff, HDMI_FC_MASK1);
- hdmi_writeb(hdmi, 0xff, HDMI_FC_MASK2);
- hdmi_writeb(hdmi, 0xff, HDMI_PHY_MASK0);
- hdmi_writeb(hdmi, 0xff, HDMI_PHY_I2CM_INT_ADDR);
- hdmi_writeb(hdmi, 0xff, HDMI_PHY_I2CM_CTLINT_ADDR);
- hdmi_writeb(hdmi, 0xff, HDMI_AUD_INT);
- hdmi_writeb(hdmi, 0xff, HDMI_AUD_SPDIFINT);
- hdmi_writeb(hdmi, 0xff, HDMI_AUD_HBR_MASK);
- hdmi_writeb(hdmi, 0xff, HDMI_GP_MASK);
- hdmi_writeb(hdmi, 0xff, HDMI_A_APIINTMSK);
- hdmi_writeb(hdmi, 0xff, HDMI_CEC_MASK);
- hdmi_writeb(hdmi, 0xff, HDMI_I2CM_INT);
- hdmi_writeb(hdmi, 0xff, HDMI_I2CM_CTLINT);
-
- /* Disable interrupts in the IH_MUTE_* registers */
- hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_FC_STAT0);
- hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_FC_STAT1);
- hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_FC_STAT2);
- hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_AS_STAT0);
- hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_PHY_STAT0);
- hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_I2CM_STAT0);
- hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_CEC_STAT0);
- hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_VP_STAT0);
- hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_I2CMPHY_STAT0);
- hdmi_writeb(hdmi, 0xff, HDMI_IH_MUTE_AHBDMAAUD_STAT0);
-
- /* Enable top level interrupt bits in HDMI block */
- ih_mute &= ~(HDMI_IH_MUTE_MUTE_WAKEUP_INTERRUPT |
- HDMI_IH_MUTE_MUTE_ALL_INTERRUPT);
- hdmi_writeb(hdmi, ih_mute, HDMI_IH_MUTE);
-}
-
-static void imx_hdmi_poweron(struct imx_hdmi *hdmi)
-{
- imx_hdmi_setup(hdmi, &hdmi->previous_mode);
-}
-
-static void imx_hdmi_poweroff(struct imx_hdmi *hdmi)
-{
- imx_hdmi_phy_disable(hdmi);
-}
-
-static enum drm_connector_status imx_hdmi_connector_detect(struct drm_connector
- *connector, bool force)
-{
- struct imx_hdmi *hdmi = container_of(connector, struct imx_hdmi,
- connector);
-
- return hdmi_readb(hdmi, HDMI_PHY_STAT0) & HDMI_PHY_HPD ?
- connector_status_connected : connector_status_disconnected;
-}
-
-static int imx_hdmi_connector_get_modes(struct drm_connector *connector)
-{
- struct imx_hdmi *hdmi = container_of(connector, struct imx_hdmi,
- connector);
- struct edid *edid;
- int ret;
-
- if (!hdmi->ddc)
- return 0;
-
- edid = drm_get_edid(connector, hdmi->ddc);
- if (edid) {
- dev_dbg(hdmi->dev, "got edid: width[%d] x height[%d]\n",
- edid->width_cm, edid->height_cm);
-
- drm_mode_connector_update_edid_property(connector, edid);
- ret = drm_add_edid_modes(connector, edid);
- kfree(edid);
- } else {
- dev_dbg(hdmi->dev, "failed to get edid\n");
- }
-
- return 0;
-}
-
-static struct drm_encoder *imx_hdmi_connector_best_encoder(struct drm_connector
- *connector)
-{
- struct imx_hdmi *hdmi = container_of(connector, struct imx_hdmi,
- connector);
-
- return &hdmi->encoder;
-}
-
-static void imx_hdmi_encoder_mode_set(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- struct imx_hdmi *hdmi = container_of(encoder, struct imx_hdmi, encoder);
-
- imx_hdmi_setup(hdmi, mode);
-
- /* Store the display mode for plugin/DKMS poweron events */
- memcpy(&hdmi->previous_mode, mode, sizeof(hdmi->previous_mode));
-}
-
-static bool imx_hdmi_encoder_mode_fixup(struct drm_encoder *encoder,
- const struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- return true;
-}
-
-static void imx_hdmi_encoder_disable(struct drm_encoder *encoder)
-{
-}
-
-static void imx_hdmi_encoder_dpms(struct drm_encoder *encoder, int mode)
-{
- struct imx_hdmi *hdmi = container_of(encoder, struct imx_hdmi, encoder);
-
- if (mode)
- imx_hdmi_poweroff(hdmi);
- else
- imx_hdmi_poweron(hdmi);
-}
-
-static void imx_hdmi_encoder_prepare(struct drm_encoder *encoder)
-{
- struct imx_hdmi *hdmi = container_of(encoder, struct imx_hdmi, encoder);
-
- imx_hdmi_poweroff(hdmi);
- imx_drm_panel_format(encoder, V4L2_PIX_FMT_RGB24);
-}
-
-static void imx_hdmi_encoder_commit(struct drm_encoder *encoder)
-{
- struct imx_hdmi *hdmi = container_of(encoder, struct imx_hdmi, encoder);
- int mux = imx_drm_encoder_get_mux_id(hdmi->dev->of_node, encoder);
-
- imx_hdmi_set_ipu_di_mux(hdmi, mux);
-
- imx_hdmi_poweron(hdmi);
-}
-
-static struct drm_encoder_funcs imx_hdmi_encoder_funcs = {
- .destroy = imx_drm_encoder_destroy,
-};
-
-static struct drm_encoder_helper_funcs imx_hdmi_encoder_helper_funcs = {
- .dpms = imx_hdmi_encoder_dpms,
- .prepare = imx_hdmi_encoder_prepare,
- .commit = imx_hdmi_encoder_commit,
- .mode_set = imx_hdmi_encoder_mode_set,
- .mode_fixup = imx_hdmi_encoder_mode_fixup,
- .disable = imx_hdmi_encoder_disable,
-};
-
-static struct drm_connector_funcs imx_hdmi_connector_funcs = {
- .dpms = drm_helper_connector_dpms,
- .fill_modes = drm_helper_probe_single_connector_modes,
- .detect = imx_hdmi_connector_detect,
- .destroy = imx_drm_connector_destroy,
-};
-
-static struct drm_connector_helper_funcs imx_hdmi_connector_helper_funcs = {
- .get_modes = imx_hdmi_connector_get_modes,
- .best_encoder = imx_hdmi_connector_best_encoder,
-};
-
-static irqreturn_t imx_hdmi_hardirq(int irq, void *dev_id)
-{
- struct imx_hdmi *hdmi = dev_id;
- u8 intr_stat;
-
- intr_stat = hdmi_readb(hdmi, HDMI_IH_PHY_STAT0);
- if (intr_stat)
- hdmi_writeb(hdmi, ~0, HDMI_IH_MUTE_PHY_STAT0);
-
- return intr_stat ? IRQ_WAKE_THREAD : IRQ_NONE;
-}
-
-static irqreturn_t imx_hdmi_irq(int irq, void *dev_id)
-{
- struct imx_hdmi *hdmi = dev_id;
- u8 intr_stat;
- u8 phy_int_pol;
-
- intr_stat = hdmi_readb(hdmi, HDMI_IH_PHY_STAT0);
-
- phy_int_pol = hdmi_readb(hdmi, HDMI_PHY_POL0);
-
- if (intr_stat & HDMI_IH_PHY_STAT0_HPD) {
- if (phy_int_pol & HDMI_PHY_HPD) {
- dev_dbg(hdmi->dev, "EVENT=plugin\n");
-
- hdmi_modb(hdmi, 0, HDMI_PHY_HPD, HDMI_PHY_POL0);
-
- imx_hdmi_poweron(hdmi);
- } else {
- dev_dbg(hdmi->dev, "EVENT=plugout\n");
-
- hdmi_modb(hdmi, HDMI_PHY_HPD, HDMI_PHY_HPD,
- HDMI_PHY_POL0);
-
- imx_hdmi_poweroff(hdmi);
- }
- drm_helper_hpd_irq_event(hdmi->connector.dev);
- }
-
- hdmi_writeb(hdmi, intr_stat, HDMI_IH_PHY_STAT0);
- hdmi_writeb(hdmi, ~HDMI_IH_PHY_STAT0_HPD, HDMI_IH_MUTE_PHY_STAT0);
-
- return IRQ_HANDLED;
-}
-
-static int imx_hdmi_register(struct drm_device *drm, struct imx_hdmi *hdmi)
-{
- int ret;
-
- ret = imx_drm_encoder_parse_of(drm, &hdmi->encoder,
- hdmi->dev->of_node);
- if (ret)
- return ret;
-
- hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD;
-
- drm_encoder_helper_add(&hdmi->encoder, &imx_hdmi_encoder_helper_funcs);
- drm_encoder_init(drm, &hdmi->encoder, &imx_hdmi_encoder_funcs,
- DRM_MODE_ENCODER_TMDS);
-
- drm_connector_helper_add(&hdmi->connector,
- &imx_hdmi_connector_helper_funcs);
- drm_connector_init(drm, &hdmi->connector, &imx_hdmi_connector_funcs,
- DRM_MODE_CONNECTOR_HDMIA);
-
- hdmi->connector.encoder = &hdmi->encoder;
-
- drm_mode_connector_attach_encoder(&hdmi->connector, &hdmi->encoder);
-
- return 0;
-}
-
-static struct platform_device_id imx_hdmi_devtype[] = {
- {
- .name = "imx6q-hdmi",
- .driver_data = IMX6Q_HDMI,
- }, {
- .name = "imx6dl-hdmi",
- .driver_data = IMX6DL_HDMI,
- }, { /* sentinel */ }
-};
-MODULE_DEVICE_TABLE(platform, imx_hdmi_devtype);
-
-static const struct of_device_id imx_hdmi_dt_ids[] = {
-{ .compatible = "fsl,imx6q-hdmi", .data = &imx_hdmi_devtype[IMX6Q_HDMI], },
-{ .compatible = "fsl,imx6dl-hdmi", .data = &imx_hdmi_devtype[IMX6DL_HDMI], },
-{ /* sentinel */ }
-};
-MODULE_DEVICE_TABLE(of, imx_hdmi_dt_ids);
-
-static int imx_hdmi_bind(struct device *dev, struct device *master, void *data)
-{
- struct platform_device *pdev = to_platform_device(dev);
- const struct of_device_id *of_id =
- of_match_device(imx_hdmi_dt_ids, dev);
- struct drm_device *drm = data;
- struct device_node *np = dev->of_node;
- struct device_node *ddc_node;
- struct imx_hdmi *hdmi;
- struct resource *iores;
- int ret, irq;
-
- hdmi = devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL);
- if (!hdmi)
- return -ENOMEM;
-
- hdmi->dev = dev;
- hdmi->sample_rate = 48000;
- hdmi->ratio = 100;
-
- if (of_id) {
- const struct platform_device_id *device_id = of_id->data;
-
- hdmi->dev_type = device_id->driver_data;
- }
-
- ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0);
- if (ddc_node) {
- hdmi->ddc = of_find_i2c_adapter_by_node(ddc_node);
- if (!hdmi->ddc)
- dev_dbg(hdmi->dev, "failed to read ddc node\n");
-
- of_node_put(ddc_node);
- } else {
- dev_dbg(hdmi->dev, "no ddc property found\n");
- }
-
- irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- return irq;
-
- ret = devm_request_threaded_irq(dev, irq, imx_hdmi_hardirq,
- imx_hdmi_irq, IRQF_SHARED,
- dev_name(dev), hdmi);
- if (ret)
- return ret;
-
- iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- hdmi->regs = devm_ioremap_resource(dev, iores);
- if (IS_ERR(hdmi->regs))
- return PTR_ERR(hdmi->regs);
-
- hdmi->regmap = syscon_regmap_lookup_by_phandle(np, "gpr");
- if (IS_ERR(hdmi->regmap))
- return PTR_ERR(hdmi->regmap);
-
- hdmi->isfr_clk = devm_clk_get(hdmi->dev, "isfr");
- if (IS_ERR(hdmi->isfr_clk)) {
- ret = PTR_ERR(hdmi->isfr_clk);
- dev_err(hdmi->dev,
- "Unable to get HDMI isfr clk: %d\n", ret);
- return ret;
- }
-
- ret = clk_prepare_enable(hdmi->isfr_clk);
- if (ret) {
- dev_err(hdmi->dev,
- "Cannot enable HDMI isfr clock: %d\n", ret);
- return ret;
- }
-
- hdmi->iahb_clk = devm_clk_get(hdmi->dev, "iahb");
- if (IS_ERR(hdmi->iahb_clk)) {
- ret = PTR_ERR(hdmi->iahb_clk);
- dev_err(hdmi->dev,
- "Unable to get HDMI iahb clk: %d\n", ret);
- goto err_isfr;
- }
-
- ret = clk_prepare_enable(hdmi->iahb_clk);
- if (ret) {
- dev_err(hdmi->dev,
- "Cannot enable HDMI iahb clock: %d\n", ret);
- goto err_isfr;
- }
-
- /* Product and revision IDs */
- dev_info(dev,
- "Detected HDMI controller 0x%x:0x%x:0x%x:0x%x\n",
- hdmi_readb(hdmi, HDMI_DESIGN_ID),
- hdmi_readb(hdmi, HDMI_REVISION_ID),
- hdmi_readb(hdmi, HDMI_PRODUCT_ID0),
- hdmi_readb(hdmi, HDMI_PRODUCT_ID1));
-
- initialize_hdmi_ih_mutes(hdmi);
-
- /*
- * To prevent overflows in HDMI_IH_FC_STAT2, set the clk regenerator
- * N and cts values before enabling phy
- */
- hdmi_init_clk_regenerator(hdmi);
-
- /*
- * Configure registers related to HDMI interrupt
- * generation before registering IRQ.
- */
- hdmi_writeb(hdmi, HDMI_PHY_HPD, HDMI_PHY_POL0);
-
- /* Clear Hotplug interrupts */
- hdmi_writeb(hdmi, HDMI_IH_PHY_STAT0_HPD, HDMI_IH_PHY_STAT0);
-
- ret = imx_hdmi_fb_registered(hdmi);
- if (ret)
- goto err_iahb;
-
- ret = imx_hdmi_register(drm, hdmi);
- if (ret)
- goto err_iahb;
-
- /* Unmute interrupts */
- hdmi_writeb(hdmi, ~HDMI_IH_PHY_STAT0_HPD, HDMI_IH_MUTE_PHY_STAT0);
-
- dev_set_drvdata(dev, hdmi);
-
- return 0;
-
-err_iahb:
- clk_disable_unprepare(hdmi->iahb_clk);
-err_isfr:
- clk_disable_unprepare(hdmi->isfr_clk);
-
- return ret;
-}
-
-static void imx_hdmi_unbind(struct device *dev, struct device *master,
- void *data)
-{
- struct imx_hdmi *hdmi = dev_get_drvdata(dev);
-
- /* Disable all interrupts */
- hdmi_writeb(hdmi, ~0, HDMI_IH_MUTE_PHY_STAT0);
-
- hdmi->connector.funcs->destroy(&hdmi->connector);
- hdmi->encoder.funcs->destroy(&hdmi->encoder);
-
- clk_disable_unprepare(hdmi->iahb_clk);
- clk_disable_unprepare(hdmi->isfr_clk);
- i2c_put_adapter(hdmi->ddc);
-}
-
-static const struct component_ops hdmi_ops = {
- .bind = imx_hdmi_bind,
- .unbind = imx_hdmi_unbind,
-};
-
-static int imx_hdmi_platform_probe(struct platform_device *pdev)
-{
- return component_add(&pdev->dev, &hdmi_ops);
-}
-
-static int imx_hdmi_platform_remove(struct platform_device *pdev)
-{
- component_del(&pdev->dev, &hdmi_ops);
- return 0;
-}
-
-static struct platform_driver imx_hdmi_driver = {
- .probe = imx_hdmi_platform_probe,
- .remove = imx_hdmi_platform_remove,
- .driver = {
- .name = "imx-hdmi",
- .owner = THIS_MODULE,
- .of_match_table = imx_hdmi_dt_ids,
- },
-};
-
-module_platform_driver(imx_hdmi_driver);
-
-MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
-MODULE_DESCRIPTION("i.MX6 HDMI transmitter driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:imx-hdmi");
projects / cascardo / linux.git / blobdiff