blob: 578cdd51ae5f3962da8a134e90c69d761d00359a [file] [log] [blame]
Mauro Carvalho Chehab02b20b02009-09-15 11:33:54 -03001/*
2 * Driver for the Conexant CX25821 PCIe bridge
3 *
4 * Copyright (C) 2009 Conexant Systems Inc.
5 * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
6 * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 *
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 */
23
24
25#ifndef CX25821_H_
26#define CX25821_H_
27
28#include <linux/pci.h>
29#include <linux/i2c.h>
30#include <linux/i2c-algo-bit.h>
31#include <linux/interrupt.h>
32#include <linux/delay.h>
33#include <linux/sched.h>
34#include <linux/kdev_t.h>
Mauro Carvalho Chehab466a1c152009-09-13 11:24:22 -030035#include <linux/smp_lock.h>
Mauro Carvalho Chehab02b20b02009-09-15 11:33:54 -030036
37#include <media/v4l2-common.h>
38#include <media/v4l2-device.h>
39#include <media/tuner.h>
40#include <media/tveeprom.h>
41#include <media/videobuf-dma-sg.h>
42#include <media/videobuf-dvb.h>
43
44#include "btcx-risc.h"
45#include "cx25821-reg.h"
46#include "cx25821-medusa-reg.h"
47#include "cx25821-sram.h"
48#include "cx25821-audio.h"
49#include "media/cx2341x.h"
50
51#include <linux/version.h>
52#include <linux/mutex.h>
53
54#define CX25821_VERSION_CODE KERNEL_VERSION(0, 0, 106)
55
56#define UNSET (-1U)
57#define NO_SYNC_LINE (-1U)
58
59#define CX25821_MAXBOARDS 2
60
61#define TRUE 1
62#define FALSE 0
63#define LINE_SIZE_D1 1440
64
65// Number of decoders and encoders
66#define MAX_DECODERS 8
67#define MAX_ENCODERS 2
68#define QUAD_DECODERS 4
69#define MAX_CAMERAS 16
70
71/* Max number of inputs by card */
72#define MAX_CX25821_INPUT 8
73#define INPUT(nr) (&cx25821_boards[dev->board].input[nr])
74#define RESOURCE_VIDEO0 1
75#define RESOURCE_VIDEO1 2
76#define RESOURCE_VIDEO2 4
77#define RESOURCE_VIDEO3 8
78#define RESOURCE_VIDEO4 16
79#define RESOURCE_VIDEO5 32
80#define RESOURCE_VIDEO6 64
81#define RESOURCE_VIDEO7 128
82#define RESOURCE_VIDEO8 256
83#define RESOURCE_VIDEO9 512
84#define RESOURCE_VIDEO10 1024
85#define RESOURCE_VIDEO11 2048
86#define RESOURCE_VIDEO_IOCTL 4096
87
88
89#define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */
90
91#define UNKNOWN_BOARD 0
92#define CX25821_BOARD 1
93
94/* Currently supported by the driver */
95#define CX25821_NORMS (\
96 V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_M_KR | \
97 V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \
98 V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_H | \
99 V4L2_STD_PAL_Nc )
100
101#define CX25821_BOARD_CONEXANT_ATHENA10 1
102#define MAX_VID_CHANNEL_NUM 12
103#define VID_CHANNEL_NUM 8
104
105struct cx25821_fmt {
106 char *name;
107 u32 fourcc; /* v4l2 format id */
108 int depth;
109 int flags;
110 u32 cxformat;
111};
112
113struct cx25821_ctrl {
114 struct v4l2_queryctrl v;
115 u32 off;
116 u32 reg;
117 u32 mask;
118 u32 shift;
119};
120
121struct cx25821_tvnorm {
122 char *name;
123 v4l2_std_id id;
124 u32 cxiformat;
125 u32 cxoformat;
126};
127
128struct cx25821_fh {
129 struct cx25821_dev *dev;
130 enum v4l2_buf_type type;
131 int radio;
132 u32 resources;
133
134 enum v4l2_priority prio;
135
136 /* video overlay */
137 struct v4l2_window win;
138 struct v4l2_clip *clips;
139 unsigned int nclips;
140
141 /* video capture */
142 struct cx25821_fmt *fmt;
143 unsigned int width, height;
144
145 /* vbi capture */
146 struct videobuf_queue vidq;
147 struct videobuf_queue vbiq;
148
149 /* H264 Encoder specifics ONLY */
150 struct videobuf_queue mpegq;
151 atomic_t v4l_reading;
152};
153
154enum cx25821_itype {
155 CX25821_VMUX_COMPOSITE = 1,
156 CX25821_VMUX_SVIDEO,
157 CX25821_VMUX_DEBUG,
158 CX25821_RADIO,
159};
160
161enum cx25821_src_sel_type {
162 CX25821_SRC_SEL_EXT_656_VIDEO = 0,
163 CX25821_SRC_SEL_PARALLEL_MPEG_VIDEO
164};
165
166/* buffer for one video frame */
167struct cx25821_buffer {
168 /* common v4l buffer stuff -- must be first */
169 struct videobuf_buffer vb;
170
171 /* cx25821 specific */
172 unsigned int bpl;
173 struct btcx_riscmem risc;
174 struct cx25821_fmt *fmt;
175 u32 count;
176};
177
178struct cx25821_input {
179 enum cx25821_itype type;
180 unsigned int vmux;
181 u32 gpio0, gpio1, gpio2, gpio3;
182};
183
184typedef enum {
185 CX25821_UNDEFINED = 0,
186 CX25821_RAW,
187 CX25821_264
188} port_t;
189
190struct cx25821_board {
191 char *name;
192 port_t porta, portb, portc;
193 unsigned int tuner_type;
194 unsigned int radio_type;
195 unsigned char tuner_addr;
196 unsigned char radio_addr;
197
198 u32 clk_freq;
199 struct cx25821_input input[2];
200};
201
202struct cx25821_subid {
203 u16 subvendor;
204 u16 subdevice;
205 u32 card;
206};
207
208struct cx25821_i2c {
209 struct cx25821_dev *dev;
210
211 int nr;
212
213 /* i2c i/o */
214 struct i2c_adapter i2c_adap;
215 struct i2c_algo_bit_data i2c_algo;
216 struct i2c_client i2c_client;
217 u32 i2c_rc;
218
219 /* cx25821 registers used for raw addess */
220 u32 i2c_period;
221 u32 reg_ctrl;
222 u32 reg_stat;
223 u32 reg_addr;
224 u32 reg_rdata;
225 u32 reg_wdata;
226};
227
228struct cx25821_dmaqueue {
229 struct list_head active;
230 struct list_head queued;
231 struct timer_list timeout;
232 struct btcx_riscmem stopper;
233 u32 count;
234};
235
236struct cx25821_data {
237 struct cx25821_dev *dev;
238 struct sram_channel *channel;
239};
240
241struct cx25821_dev {
242 struct list_head devlist;
243 atomic_t refcount;
244 struct v4l2_device v4l2_dev;
245
246 struct v4l2_prio_state prio;
247
248 /* pci stuff */
249 struct pci_dev *pci;
250 unsigned char pci_rev, pci_lat;
251 int pci_bus, pci_slot;
252 u32 base_io_addr;
253 u32 __iomem *lmmio;
254 u8 __iomem *bmmio;
255 int pci_irqmask;
256 int hwrevision;
257
258 u32 clk_freq;
259
260 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
261 struct cx25821_i2c i2c_bus[3];
262
263 int nr;
264 struct mutex lock;
265
266 /* board details */
267 unsigned int board;
268 char name[32];
269
270 /* sram configuration */
271 struct sram_channel *sram_channels;
272
273 /* Analog video */
274 u32 resources;
275 unsigned int input;
276 u32 tvaudio;
277 v4l2_std_id tvnorm;
278 unsigned int tuner_type;
279 unsigned char tuner_addr;
280 unsigned int radio_type;
281 unsigned char radio_addr;
282 unsigned int has_radio;
283 unsigned int videc_type;
284 unsigned char videc_addr;
285 unsigned short _max_num_decoders;
286
287 int ctl_bright;
288 int ctl_contrast;
289 int ctl_hue;
290 int ctl_saturation;
291
292 struct cx25821_data timeout_data[MAX_VID_CHANNEL_NUM];
293
294 /* Analog Audio Upstream */
295 int _audio_is_running;
296 int _audiopixel_format;
297 int _is_first_audio_frame;
298 int _audiofile_status;
299 int _audio_lines_count;
300 int _audioframe_count;
301 int _audio_upstream_channel_select;
302 int _last_index_irq; //The last interrupt index processed.
303
304 __le32 * _risc_audio_jmp_addr;
305 __le32 * _risc_virt_start_addr;
306 __le32 * _risc_virt_addr;
307 dma_addr_t _risc_phys_addr;
308 dma_addr_t _risc_phys_start_addr;
309
310 unsigned int _audiorisc_size;
311 unsigned int _audiodata_buf_size;
312 __le32 * _audiodata_buf_virt_addr;
313 dma_addr_t _audiodata_buf_phys_addr;
314 char *_audiofilename;
315
316 /* V4l */
317 u32 freq;
318 struct video_device *video_dev[MAX_VID_CHANNEL_NUM];
319 struct video_device *vbi_dev;
320 struct video_device *radio_dev;
321 struct video_device *ioctl_dev;
322
323 struct cx25821_dmaqueue vidq[MAX_VID_CHANNEL_NUM];
324 spinlock_t slock;
325
326 /* Video Upstream */
327 int _line_size;
328 int _prog_cnt;
329 int _pixel_format;
330 int _is_first_frame;
331 int _is_running;
332 int _file_status;
333 int _lines_count;
334 int _frame_count;
335 int _channel_upstream_select;
336 unsigned int _risc_size;
337
338 __le32 * _dma_virt_start_addr;
339 __le32 * _dma_virt_addr;
340 dma_addr_t _dma_phys_addr;
341 dma_addr_t _dma_phys_start_addr;
342
343 unsigned int _data_buf_size;
344 __le32 * _data_buf_virt_addr;
345 dma_addr_t _data_buf_phys_addr;
346 char * _filename;
347 char * _defaultname;
348
349
350 int _line_size_ch2;
351 int _prog_cnt_ch2;
352 int _pixel_format_ch2;
353 int _is_first_frame_ch2;
354 int _is_running_ch2;
355 int _file_status_ch2;
356 int _lines_count_ch2;
357 int _frame_count_ch2;
358 int _channel2_upstream_select;
359 unsigned int _risc_size_ch2;
360
361 __le32 * _dma_virt_start_addr_ch2;
362 __le32 * _dma_virt_addr_ch2;
363 dma_addr_t _dma_phys_addr_ch2;
364 dma_addr_t _dma_phys_start_addr_ch2;
365
366 unsigned int _data_buf_size_ch2;
367 __le32 * _data_buf_virt_addr_ch2;
368 dma_addr_t _data_buf_phys_addr_ch2;
369 char * _filename_ch2;
370 char * _defaultname_ch2;
371
372 /* MPEG Encoder ONLY settings */
373 u32 cx23417_mailbox;
374 struct cx2341x_mpeg_params mpeg_params;
375 struct video_device *v4l_device;
376 atomic_t v4l_reader_count;
377 struct cx25821_tvnorm encodernorm;
378
379 u32 upstream_riscbuf_size;
380 u32 upstream_databuf_size;
381 u32 upstream_riscbuf_size_ch2;
382 u32 upstream_databuf_size_ch2;
383 u32 audio_upstream_riscbuf_size;
384 u32 audio_upstream_databuf_size;
385 int _isNTSC;
386 int _frame_index;
387 int _audioframe_index;
388 struct workqueue_struct * _irq_queues;
389 struct work_struct _irq_work_entry;
390 struct workqueue_struct * _irq_queues_ch2;
391 struct work_struct _irq_work_entry_ch2;
392 struct workqueue_struct * _irq_audio_queues;
393 struct work_struct _audio_work_entry;
394 char *input_filename;
395 char *input_filename_ch2;
396 int _frame_index_ch2;
397 int _isNTSC_ch2;
398 char *vid_stdname_ch2;
399 int pixel_format_ch2;
400 int channel_select_ch2;
401 int command_ch2;
402 char *input_audiofilename;
403 char *vid_stdname;
404 int pixel_format;
405 int channel_select;
406 int command;
407 int pixel_formats[VID_CHANNEL_NUM];
408 int use_cif_resolution[VID_CHANNEL_NUM];
409 int cif_width[VID_CHANNEL_NUM];
410 int channel_opened;
411};
412
413
414struct upstream_user_struct {
415 char *input_filename;
416 char *vid_stdname;
417 int pixel_format;
418 int channel_select;
419 int command;
420};
421
422struct downstream_user_struct {
423 char *vid_stdname;
424 int pixel_format;
425 int cif_resolution_enable;
426 int cif_width;
427 int decoder_select;
428 int command;
429 int reg_address;
430 int reg_data;
431};
432
433extern struct upstream_user_struct *up_data;
434
435static inline struct cx25821_dev *get_cx25821(struct v4l2_device *v4l2_dev)
436{
437 return container_of(v4l2_dev, struct cx25821_dev, v4l2_dev);
438}
439
440#define cx25821_call_all(dev, o, f, args...) \
441 v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
442
443extern struct list_head cx25821_devlist;
444extern struct cx25821_board cx25821_boards[];
445extern struct cx25821_subid cx25821_subids[];
446
447#define SRAM_CH00 0 /* Video A */
448#define SRAM_CH01 1 /* Video B */
449#define SRAM_CH02 2 /* Video C */
450#define SRAM_CH03 3 /* Video D */
451#define SRAM_CH04 4 /* Video E */
452#define SRAM_CH05 5 /* Video F */
453#define SRAM_CH06 6 /* Video G */
454#define SRAM_CH07 7 /* Video H */
455
456#define SRAM_CH08 8 /* Audio A */
457#define SRAM_CH09 9 /* Video Upstream I */
458#define SRAM_CH10 10 /* Video Upstream J */
459#define SRAM_CH11 11 /* Audio Upstream AUD_CHANNEL_B */
460
461
462
463#define VID_UPSTREAM_SRAM_CHANNEL_I SRAM_CH09
464#define VID_UPSTREAM_SRAM_CHANNEL_J SRAM_CH10
465#define AUDIO_UPSTREAM_SRAM_CHANNEL_B SRAM_CH11
466#define VIDEO_IOCTL_CH 11
467
468struct sram_channel {
469 char *name;
470 u32 i;
471 u32 cmds_start;
472 u32 ctrl_start;
473 u32 cdt;
474 u32 fifo_start;
475 u32 fifo_size;
476 u32 ptr1_reg;
477 u32 ptr2_reg;
478 u32 cnt1_reg;
479 u32 cnt2_reg;
480 u32 int_msk;
481 u32 int_stat;
482 u32 int_mstat;
483 u32 dma_ctl;
484 u32 gpcnt_ctl;
485 u32 gpcnt;
486 u32 aud_length;
487 u32 aud_cfg;
488 u32 fld_aud_fifo_en;
489 u32 fld_aud_risc_en;
490
491 //For Upstream Video
492 u32 vid_fmt_ctl;
493 u32 vid_active_ctl1;
494 u32 vid_active_ctl2;
495 u32 vid_cdt_size;
496
497 u32 vip_ctl;
498 u32 pix_frmt;
499 u32 jumponly;
500 u32 irq_bit;
501};
502extern struct sram_channel cx25821_sram_channels[];
503
504#define STATUS_SUCCESS 0
505#define STATUS_UNSUCCESSFUL -1
506
507#define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
508#define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2))
509
510#define cx_andor(reg, mask, value) \
511 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
512 ((value) & (mask)), dev->lmmio+((reg)>>2))
513
514#define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
515#define cx_clear(reg, bit) cx_andor((reg), (bit), 0)
516
517#define Set_GPIO_Bit(Bit) (1 << Bit)
518#define Clear_GPIO_Bit(Bit) (~(1 << Bit))
519
520#define CX25821_ERR(fmt, args...) printk(KERN_ERR "cx25821(%d): " fmt, dev->board, ## args)
521#define CX25821_WARN(fmt, args...) printk(KERN_WARNING "cx25821(%d): " fmt, dev->board , ## args)
522#define CX25821_INFO(fmt, args...) printk(KERN_INFO "cx25821(%d): " fmt, dev->board , ## args)
523
524extern int cx25821_i2c_register(struct cx25821_i2c *bus);
525extern void cx25821_card_setup(struct cx25821_dev *dev);
526extern int cx25821_ir_init(struct cx25821_dev *dev);
527extern int cx25821_i2c_read(struct cx25821_i2c *bus, u16 reg_addr, int *value);
528extern int cx25821_i2c_write(struct cx25821_i2c *bus, u16 reg_addr, int value);
529extern int cx25821_i2c_unregister(struct cx25821_i2c *bus);
530extern void cx25821_gpio_init(struct cx25821_dev *dev);
531extern void cx25821_set_gpiopin_direction( struct cx25821_dev *dev,
532 int pin_number,
533 int pin_logic_value);
534
535extern int medusa_video_init(struct cx25821_dev *dev);
536extern int medusa_set_videostandard(struct cx25821_dev *dev);
537extern void medusa_set_resolution(struct cx25821_dev *dev, int width, int decoder_select);
538extern int medusa_set_brightness(struct cx25821_dev *dev, int brightness, int decoder);
539extern int medusa_set_contrast(struct cx25821_dev *dev, int contrast, int decoder);
540extern int medusa_set_hue(struct cx25821_dev *dev, int hue, int decoder);
541extern int medusa_set_saturation(struct cx25821_dev *dev, int saturation, int decoder);
542
543extern int cx25821_sram_channel_setup(struct cx25821_dev *dev, struct sram_channel *ch, unsigned int bpl, u32 risc);
544
545extern int cx25821_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
546 struct scatterlist *sglist,
547 unsigned int top_offset,
548 unsigned int bottom_offset,
549 unsigned int bpl,
550 unsigned int padding,
551 unsigned int lines);
552extern int cx25821_risc_databuffer_audio(struct pci_dev *pci,
553 struct btcx_riscmem *risc,
554 struct scatterlist *sglist,
555 unsigned int bpl,
556 unsigned int lines,
557 unsigned int lpi);
558extern void cx25821_free_buffer(struct videobuf_queue *q, struct cx25821_buffer *buf);
559extern int cx25821_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,u32 reg, u32 mask, u32 value);
560extern void cx25821_sram_channel_dump(struct cx25821_dev *dev, struct sram_channel *ch);
561extern void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev, struct sram_channel *ch);
562
563
564extern struct cx25821_dev* cx25821_dev_get(struct pci_dev *pci);
565extern void cx25821_print_irqbits(char *name, char *tag, char **strings, int len, u32 bits, u32 mask);
566extern void cx25821_dev_unregister(struct cx25821_dev *dev);
567extern int cx25821_sram_channel_setup_audio(struct cx25821_dev *dev,
568 struct sram_channel *ch,
569 unsigned int bpl, u32 risc);
570
571extern int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select, int pixel_format);
572extern int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select, int pixel_format);
573extern int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select);
574extern void cx25821_free_mem_upstream_ch1(struct cx25821_dev *dev);
575extern void cx25821_free_mem_upstream_ch2(struct cx25821_dev *dev);
576extern void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev);
577extern void cx25821_start_upstream_video_ch1(struct cx25821_dev *dev, struct upstream_user_struct *up_data);
578extern void cx25821_start_upstream_video_ch2(struct cx25821_dev *dev, struct upstream_user_struct *up_data);
579extern void cx25821_start_upstream_audio(struct cx25821_dev *dev, struct upstream_user_struct *up_data);
580extern void cx25821_stop_upstream_video_ch1(struct cx25821_dev *dev);
581extern void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev);
582extern void cx25821_stop_upstream_audio(struct cx25821_dev *dev);
583extern int cx25821_sram_channel_setup_upstream( struct cx25821_dev *dev, struct sram_channel *ch, unsigned int bpl, u32 risc);
584extern void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel, u32 format);
585extern void cx25821_videoioctl_unregister(struct cx25821_dev *dev);
586extern struct video_device *cx25821_vdev_init(struct cx25821_dev *dev,
587 struct pci_dev *pci,
588 struct video_device *template,
589 char *type);
590#endif