2 * Driver for the Conexant CX23885 PCIe bridge
4 * Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <linux/pci.h>
23 #include <linux/i2c.h>
24 #include <linux/kdev_t.h>
25 #include <linux/slab.h>
27 #include <media/v4l2-device.h>
28 #include <media/tuner.h>
29 #include <media/tveeprom.h>
30 #include <media/videobuf-dma-sg.h>
31 #include <media/videobuf-dvb.h>
32 #include <media/rc-core.h>
34 #include "btcx-risc.h"
35 #include "cx23885-reg.h"
36 #include "media/cx2341x.h"
38 #include <linux/mutex.h>
40 #define CX23885_VERSION "0.0.3"
44 #define CX23885_MAXBOARDS 8
46 /* Max number of inputs by card */
47 #define MAX_CX23885_INPUT 8
48 #define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
49 #define RESOURCE_OVERLAY 1
50 #define RESOURCE_VIDEO 2
51 #define RESOURCE_VBI 4
53 #define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */
55 #define CX23885_BOARD_NOAUTO UNSET
56 #define CX23885_BOARD_UNKNOWN 0
57 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp 1
58 #define CX23885_BOARD_HAUPPAUGE_HVR1800 2
59 #define CX23885_BOARD_HAUPPAUGE_HVR1250 3
60 #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP 4
61 #define CX23885_BOARD_HAUPPAUGE_HVR1500Q 5
62 #define CX23885_BOARD_HAUPPAUGE_HVR1500 6
63 #define CX23885_BOARD_HAUPPAUGE_HVR1200 7
64 #define CX23885_BOARD_HAUPPAUGE_HVR1700 8
65 #define CX23885_BOARD_HAUPPAUGE_HVR1400 9
66 #define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
67 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
68 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12
69 #define CX23885_BOARD_COMPRO_VIDEOMATE_E650F 13
70 #define CX23885_BOARD_TBS_6920 14
71 #define CX23885_BOARD_TEVII_S470 15
72 #define CX23885_BOARD_DVBWORLD_2005 16
73 #define CX23885_BOARD_NETUP_DUAL_DVBS2_CI 17
74 #define CX23885_BOARD_HAUPPAUGE_HVR1270 18
75 #define CX23885_BOARD_HAUPPAUGE_HVR1275 19
76 #define CX23885_BOARD_HAUPPAUGE_HVR1255 20
77 #define CX23885_BOARD_HAUPPAUGE_HVR1210 21
78 #define CX23885_BOARD_MYGICA_X8506 22
79 #define CX23885_BOARD_MAGICPRO_PROHDTVE2 23
80 #define CX23885_BOARD_HAUPPAUGE_HVR1850 24
81 #define CX23885_BOARD_COMPRO_VIDEOMATE_E800 25
82 #define CX23885_BOARD_HAUPPAUGE_HVR1290 26
83 #define CX23885_BOARD_MYGICA_X8558PRO 27
84 #define CX23885_BOARD_LEADTEK_WINFAST_PXTV1200 28
85 #define CX23885_BOARD_GOTVIEW_X5_3D_HYBRID 29
86 #define CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF 30
87 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H_XC4000 31
88 #define CX23885_BOARD_MPX885 32
89 #define CX23885_BOARD_MYGICA_X8507 33
90 #define CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL 34
91 #define CX23885_BOARD_TEVII_S471 35
92 #define CX23885_BOARD_HAUPPAUGE_HVR1255_22111 36
93 #define CX23885_BOARD_PROF_8000 37
94 #define CX23885_BOARD_HAUPPAUGE_HVR4400 38
95 #define CX23885_BOARD_AVERMEDIA_HC81R 39
97 #define GPIO_0 0x00000001
98 #define GPIO_1 0x00000002
99 #define GPIO_2 0x00000004
100 #define GPIO_3 0x00000008
101 #define GPIO_4 0x00000010
102 #define GPIO_5 0x00000020
103 #define GPIO_6 0x00000040
104 #define GPIO_7 0x00000080
105 #define GPIO_8 0x00000100
106 #define GPIO_9 0x00000200
107 #define GPIO_10 0x00000400
108 #define GPIO_11 0x00000800
109 #define GPIO_12 0x00001000
110 #define GPIO_13 0x00002000
111 #define GPIO_14 0x00004000
112 #define GPIO_15 0x00008000
114 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
115 #define CX23885_NORMS (\
116 V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 | \
117 V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \
118 V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | \
119 V4L2_STD_PAL_60 | V4L2_STD_SECAM_L | V4L2_STD_SECAM_DK)
123 u32 fourcc; /* v4l2 format id */
129 struct cx23885_ctrl {
130 struct v4l2_queryctrl v;
137 struct cx23885_tvnorm {
145 struct cx23885_dev *dev;
146 enum v4l2_buf_type type;
151 struct v4l2_window win;
152 struct v4l2_clip *clips;
156 struct cx23885_fmt *fmt;
157 unsigned int width, height;
160 struct videobuf_queue vidq;
161 struct videobuf_queue vbiq;
163 /* MPEG Encoder specifics ONLY */
164 struct videobuf_queue mpegq;
165 atomic_t v4l_reading;
169 CX23885_VMUX_COMPOSITE1 = 1,
170 CX23885_VMUX_COMPOSITE2,
171 CX23885_VMUX_COMPOSITE3,
172 CX23885_VMUX_COMPOSITE4,
174 CX23885_VMUX_COMPONENT,
175 CX23885_VMUX_TELEVISION,
182 enum cx23885_src_sel_type {
183 CX23885_SRC_SEL_EXT_656_VIDEO = 0,
184 CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
187 /* buffer for one video frame */
188 struct cx23885_buffer {
189 /* common v4l buffer stuff -- must be first */
190 struct videobuf_buffer vb;
192 /* cx23885 specific */
194 struct btcx_riscmem risc;
195 struct cx23885_fmt *fmt;
199 struct cx23885_input {
200 enum cx23885_itype type;
203 u32 gpio0, gpio1, gpio2, gpio3;
207 CX23885_MPEG_UNDEFINED = 0,
209 CX23885_ANALOG_VIDEO,
210 CX23885_MPEG_ENCODER,
213 struct cx23885_board {
215 port_t porta, portb, portc;
216 int num_fds_portb, num_fds_portc;
217 unsigned int tuner_type;
218 unsigned int radio_type;
219 unsigned char tuner_addr;
220 unsigned char radio_addr;
221 unsigned int tuner_bus;
223 /* Vendors can and do run the PCIe bridge at different
224 * clock rates, driven physically by crystals on the PCBs.
225 * The core has to accommodate this. This allows the user
226 * to add new boards with new frequencys. The value is
229 * The core framework will default this value based on
230 * current designs, but it can vary.
233 struct cx23885_input input[MAX_CX23885_INPUT];
234 int ci_type; /* for NetUP */
235 /* Force bottom field first during DMA (888 workaround) */
239 struct cx23885_subid {
246 struct cx23885_dev *dev;
251 struct i2c_adapter i2c_adap;
252 struct i2c_client i2c_client;
255 /* 885 registers used for raw addess */
264 struct cx23885_dmaqueue {
265 struct list_head active;
266 struct list_head queued;
267 struct timer_list timeout;
268 struct btcx_riscmem stopper;
272 struct cx23885_tsport {
273 struct cx23885_dev *dev;
278 struct videobuf_dvb_frontends frontends;
281 struct cx23885_dmaqueue mpegq;
297 u32 reg_bd_pkt_status;
299 u32 reg_fifo_ovfl_stat;
306 /* Default register vals */
316 /* Allow a single tsport to have multiple frontends */
318 void (*gate_ctrl)(struct cx23885_tsport *port, int open);
321 /* Workaround for a temp dvb_frontend that the tuner can attached to */
322 struct dvb_frontend analog_fe;
324 int (*set_frontend)(struct dvb_frontend *fe);
327 struct cx23885_kernel_ir {
328 struct cx23885_dev *cx;
335 struct cx23885_audio_buffer {
337 struct btcx_riscmem risc;
338 struct videobuf_dmabuf dma;
341 struct cx23885_audio_dev {
342 struct cx23885_dev *dev;
346 struct snd_card *card;
352 unsigned int dma_size;
353 unsigned int period_size;
354 unsigned int num_periods;
356 struct videobuf_dmabuf *dma_risc;
358 struct cx23885_audio_buffer *buf;
360 struct snd_pcm_substream *substream;
365 struct v4l2_device v4l2_dev;
369 unsigned char pci_rev, pci_lat;
370 int pci_bus, pci_slot;
374 spinlock_t pci_irqmask_lock; /* protects mask reg too */
377 /* This valud is board specific and is used to configure the
378 * AV core so we see nice clean and stable video and audio. */
381 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
382 struct cx23885_i2c i2c_bus[3];
386 struct mutex gpio_lock;
392 struct cx23885_tsport ts1, ts2;
394 /* sram configuration */
395 struct sram_channel *sram_channels;
398 CX23885_BRIDGE_UNDEFINED = 0,
399 CX23885_BRIDGE_885 = 885,
400 CX23885_BRIDGE_887 = 887,
401 CX23885_BRIDGE_888 = 888,
407 unsigned int audinput; /* Selectable audio input */
410 unsigned int tuner_type;
411 unsigned char tuner_addr;
412 unsigned int tuner_bus;
413 unsigned int radio_type;
414 unsigned char radio_addr;
415 unsigned int has_radio;
416 struct v4l2_subdev *sd_cx25840;
417 struct work_struct cx25840_work;
420 struct v4l2_subdev *sd_ir;
421 struct work_struct ir_rx_work;
422 unsigned long ir_rx_notifications;
423 struct work_struct ir_tx_work;
424 unsigned long ir_tx_notifications;
426 struct cx23885_kernel_ir *kernel_ir;
427 atomic_t ir_input_stopping;
431 struct video_device *video_dev;
432 struct video_device *vbi_dev;
433 struct video_device *radio_dev;
435 struct cx23885_dmaqueue vidq;
436 struct cx23885_dmaqueue vbiq;
439 /* MPEG Encoder ONLY settings */
441 struct cx2341x_mpeg_params mpeg_params;
442 struct video_device *v4l_device;
443 atomic_t v4l_reader_count;
444 struct cx23885_tvnorm encodernorm;
446 /* Analog raw audio */
447 struct cx23885_audio_dev *audio_dev;
451 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
453 return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
456 #define call_all(dev, o, f, args...) \
457 v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
459 #define CX23885_HW_888_IR (1 << 0)
460 #define CX23885_HW_AV_CORE (1 << 1)
462 #define call_hw(dev, grpid, o, f, args...) \
463 v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args)
465 extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw);
467 #define SRAM_CH01 0 /* Video A */
468 #define SRAM_CH02 1 /* VBI A */
469 #define SRAM_CH03 2 /* Video B */
470 #define SRAM_CH04 3 /* Transport via B */
471 #define SRAM_CH05 4 /* VBI B */
472 #define SRAM_CH06 5 /* Video C */
473 #define SRAM_CH07 6 /* Transport via C */
474 #define SRAM_CH08 7 /* Audio Internal A */
475 #define SRAM_CH09 8 /* Audio Internal B */
476 #define SRAM_CH10 9 /* Audio External */
477 #define SRAM_CH11 10 /* COMB_3D_N */
478 #define SRAM_CH12 11 /* Comb 3D N1 */
479 #define SRAM_CH13 12 /* Comb 3D N2 */
480 #define SRAM_CH14 13 /* MOE Vid */
481 #define SRAM_CH15 14 /* MOE RSLT */
483 struct sram_channel {
497 /* ----------------------------------------------------------- */
499 #define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
500 #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2))
502 #define cx_andor(reg, mask, value) \
503 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
504 ((value) & (mask)), dev->lmmio+((reg)>>2))
506 #define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
507 #define cx_clear(reg, bit) cx_andor((reg), (bit), 0)
509 /* ----------------------------------------------------------- */
512 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
513 struct sram_channel *ch,
514 unsigned int bpl, u32 risc);
516 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
517 struct sram_channel *ch);
519 extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
520 u32 reg, u32 mask, u32 value);
522 extern int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
523 struct scatterlist *sglist,
524 unsigned int top_offset, unsigned int bottom_offset,
525 unsigned int bpl, unsigned int padding, unsigned int lines);
527 extern int cx23885_risc_vbibuffer(struct pci_dev *pci,
528 struct btcx_riscmem *risc, struct scatterlist *sglist,
529 unsigned int top_offset, unsigned int bottom_offset,
530 unsigned int bpl, unsigned int padding, unsigned int lines);
532 void cx23885_cancel_buffers(struct cx23885_tsport *port);
534 extern int cx23885_restart_queue(struct cx23885_tsport *port,
535 struct cx23885_dmaqueue *q);
537 extern void cx23885_wakeup(struct cx23885_tsport *port,
538 struct cx23885_dmaqueue *q, u32 count);
540 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
541 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
542 extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask);
543 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
546 extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask);
547 extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask);
548 extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask);
549 extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask);
551 /* ----------------------------------------------------------- */
552 /* cx23885-cards.c */
553 extern struct cx23885_board cx23885_boards[];
554 extern const unsigned int cx23885_bcount;
556 extern struct cx23885_subid cx23885_subids[];
557 extern const unsigned int cx23885_idcount;
559 extern int cx23885_tuner_callback(void *priv, int component,
560 int command, int arg);
561 extern void cx23885_card_list(struct cx23885_dev *dev);
562 extern int cx23885_ir_init(struct cx23885_dev *dev);
563 extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev);
564 extern void cx23885_ir_fini(struct cx23885_dev *dev);
565 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
566 extern void cx23885_card_setup(struct cx23885_dev *dev);
567 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
569 extern int cx23885_dvb_register(struct cx23885_tsport *port);
570 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
572 extern int cx23885_buf_prepare(struct videobuf_queue *q,
573 struct cx23885_tsport *port,
574 struct cx23885_buffer *buf,
575 enum v4l2_field field);
576 extern void cx23885_buf_queue(struct cx23885_tsport *port,
577 struct cx23885_buffer *buf);
578 extern void cx23885_free_buffer(struct videobuf_queue *q,
579 struct cx23885_buffer *buf);
581 /* ----------------------------------------------------------- */
582 /* cx23885-video.c */
584 extern int cx23885_video_register(struct cx23885_dev *dev);
585 extern void cx23885_video_unregister(struct cx23885_dev *dev);
586 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
587 extern void cx23885_video_wakeup(struct cx23885_dev *dev,
588 struct cx23885_dmaqueue *q, u32 count);
589 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i);
590 int cx23885_set_input(struct file *file, void *priv, unsigned int i);
591 int cx23885_get_input(struct file *file, void *priv, unsigned int *i);
592 int cx23885_set_frequency(struct file *file, void *priv, const struct v4l2_frequency *f);
593 int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl);
594 int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl);
595 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm);
597 /* ----------------------------------------------------------- */
599 extern int cx23885_vbi_fmt(struct file *file, void *priv,
600 struct v4l2_format *f);
601 extern void cx23885_vbi_timeout(unsigned long data);
602 extern struct videobuf_queue_ops cx23885_vbi_qops;
603 extern int cx23885_restart_vbi_queue(struct cx23885_dev *dev,
604 struct cx23885_dmaqueue *q);
605 extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status);
608 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
609 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
610 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
612 /* ----------------------------------------------------------- */
614 extern int cx23885_417_register(struct cx23885_dev *dev);
615 extern void cx23885_417_unregister(struct cx23885_dev *dev);
616 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
617 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
618 extern void cx23885_mc417_init(struct cx23885_dev *dev);
619 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
620 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
621 extern int mc417_register_read(struct cx23885_dev *dev,
622 u16 address, u32 *value);
623 extern int mc417_register_write(struct cx23885_dev *dev,
624 u16 address, u32 value);
625 extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
626 extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
627 extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
629 /* ----------------------------------------------------------- */
631 extern struct cx23885_audio_dev *cx23885_audio_register(
632 struct cx23885_dev *dev);
633 extern void cx23885_audio_unregister(struct cx23885_dev *dev);
634 extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask);
635 extern int cx23885_risc_databuffer(struct pci_dev *pci,
636 struct btcx_riscmem *risc,
637 struct scatterlist *sglist,
642 /* ----------------------------------------------------------- */
645 static inline unsigned int norm_maxw(v4l2_std_id norm)
647 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
650 static inline unsigned int norm_maxh(v4l2_std_id norm)
652 return (norm & V4L2_STD_625_50) ? 576 : 480;
655 static inline unsigned int norm_swidth(v4l2_std_id norm)
657 return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;