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-rw-r--r--drivers/media/video/cx25821/cx25821.h616
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diff --git a/drivers/media/video/cx25821/cx25821.h b/drivers/media/video/cx25821/cx25821.h
new file mode 100644
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1/*
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#ifndef CX25821_H_
25#define CX25821_H_
26
27#include <linux/pci.h>
28#include <linux/i2c.h>
29#include <linux/i2c-algo-bit.h>
30#include <linux/interrupt.h>
31#include <linux/delay.h>
32#include <linux/sched.h>
33#include <linux/kdev_t.h>
34
35#include <media/v4l2-common.h>
36#include <media/v4l2-device.h>
37#include <media/tuner.h>
38#include <media/tveeprom.h>
39#include <media/videobuf-dma-sg.h>
40#include <media/videobuf-dvb.h>
41
42#include "btcx-risc.h"
43#include "cx25821-reg.h"
44#include "cx25821-medusa-reg.h"
45#include "cx25821-sram.h"
46#include "cx25821-audio.h"
47#include "media/cx2341x.h"
48
49#include <linux/version.h>
50#include <linux/mutex.h>
51
52#define CX25821_VERSION_CODE KERNEL_VERSION(0, 0, 106)
53
54#define UNSET (-1U)
55#define NO_SYNC_LINE (-1U)
56
57#define CX25821_MAXBOARDS 2
58
59#define TRUE 1
60#define FALSE 0
61#define LINE_SIZE_D1 1440
62
63/* Number of decoders and encoders */
64#define MAX_DECODERS 8
65#define MAX_ENCODERS 2
66#define QUAD_DECODERS 4
67#define MAX_CAMERAS 16
68
69/* Max number of inputs by card */
70#define MAX_CX25821_INPUT 8
71#define INPUT(nr) (&cx25821_boards[dev->board].input[nr])
72#define RESOURCE_VIDEO0 1
73#define RESOURCE_VIDEO1 2
74#define RESOURCE_VIDEO2 4
75#define RESOURCE_VIDEO3 8
76#define RESOURCE_VIDEO4 16
77#define RESOURCE_VIDEO5 32
78#define RESOURCE_VIDEO6 64
79#define RESOURCE_VIDEO7 128
80#define RESOURCE_VIDEO8 256
81#define RESOURCE_VIDEO9 512
82#define RESOURCE_VIDEO10 1024
83#define RESOURCE_VIDEO11 2048
84#define RESOURCE_VIDEO_IOCTL 4096
85
86#define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */
87
88#define UNKNOWN_BOARD 0
89#define CX25821_BOARD 1
90
91/* Currently supported by the driver */
92#define CX25821_NORMS (\
93 V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_M_KR | \
94 V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \
95 V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_H | \
96 V4L2_STD_PAL_Nc)
97
98#define CX25821_BOARD_CONEXANT_ATHENA10 1
99#define MAX_VID_CHANNEL_NUM 12
100#define VID_CHANNEL_NUM 8
101
102struct cx25821_fmt {
103 char *name;
104 u32 fourcc; /* v4l2 format id */
105 int depth;
106 int flags;
107 u32 cxformat;
108};
109
110struct cx25821_ctrl {
111 struct v4l2_queryctrl v;
112 u32 off;
113 u32 reg;
114 u32 mask;
115 u32 shift;
116};
117
118struct cx25821_tvnorm {
119 char *name;
120 v4l2_std_id id;
121 u32 cxiformat;
122 u32 cxoformat;
123};
124
125struct cx25821_fh {
126 struct cx25821_dev *dev;
127 enum v4l2_buf_type type;
128 int radio;
129 u32 resources;
130
131 enum v4l2_priority prio;
132
133 /* video overlay */
134 struct v4l2_window win;
135 struct v4l2_clip *clips;
136 unsigned int nclips;
137
138 /* video capture */
139 struct cx25821_fmt *fmt;
140 unsigned int width, height;
141 int channel_id;
142
143 /* vbi capture */
144 struct videobuf_queue vidq;
145 struct videobuf_queue vbiq;
146
147 /* H264 Encoder specifics ONLY */
148 struct videobuf_queue mpegq;
149 atomic_t v4l_reading;
150};
151
152enum cx25821_itype {
153 CX25821_VMUX_COMPOSITE = 1,
154 CX25821_VMUX_SVIDEO,
155 CX25821_VMUX_DEBUG,
156 CX25821_RADIO,
157};
158
159enum cx25821_src_sel_type {
160 CX25821_SRC_SEL_EXT_656_VIDEO = 0,
161 CX25821_SRC_SEL_PARALLEL_MPEG_VIDEO
162};
163
164/* buffer for one video frame */
165struct cx25821_buffer {
166 /* common v4l buffer stuff -- must be first */
167 struct videobuf_buffer vb;
168
169 /* cx25821 specific */
170 unsigned int bpl;
171 struct btcx_riscmem risc;
172 struct cx25821_fmt *fmt;
173 u32 count;
174};
175
176struct cx25821_input {
177 enum cx25821_itype type;
178 unsigned int vmux;
179 u32 gpio0, gpio1, gpio2, gpio3;
180};
181
182enum port {
183 CX25821_UNDEFINED = 0,
184 CX25821_RAW,
185 CX25821_264
186};
187
188struct cx25821_board {
189 char *name;
190 enum port porta;
191 enum port portb;
192 enum port 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_channel {
242 struct v4l2_prio_state prio;
243
244 int ctl_bright;
245 int ctl_contrast;
246 int ctl_hue;
247 int ctl_saturation;
248 struct cx25821_data timeout_data;
249
250 struct video_device *video_dev;
251 struct cx25821_dmaqueue vidq;
252
253 struct sram_channel *sram_channels;
254
255 struct mutex lock;
256 int resources;
257
258 int pixel_formats;
259 int use_cif_resolution;
260 int cif_width;
261};
262
263struct cx25821_dev {
264 struct list_head devlist;
265 atomic_t refcount;
266 struct v4l2_device v4l2_dev;
267
268 /* pci stuff */
269 struct pci_dev *pci;
270 unsigned char pci_rev, pci_lat;
271 int pci_bus, pci_slot;
272 u32 base_io_addr;
273 u32 __iomem *lmmio;
274 u8 __iomem *bmmio;
275 int pci_irqmask;
276 int hwrevision;
277
278 u32 clk_freq;
279
280 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
281 struct cx25821_i2c i2c_bus[3];
282
283 int nr;
284 struct mutex lock;
285
286 struct cx25821_channel channels[MAX_VID_CHANNEL_NUM];
287
288 /* board details */
289 unsigned int board;
290 char name[32];
291
292 /* Analog video */
293 u32 resources;
294 unsigned int input;
295 u32 tvaudio;
296 v4l2_std_id tvnorm;
297 unsigned int tuner_type;
298 unsigned char tuner_addr;
299 unsigned int radio_type;
300 unsigned char radio_addr;
301 unsigned int has_radio;
302 unsigned int videc_type;
303 unsigned char videc_addr;
304 unsigned short _max_num_decoders;
305
306 /* Analog Audio Upstream */
307 int _audio_is_running;
308 int _audiopixel_format;
309 int _is_first_audio_frame;
310 int _audiofile_status;
311 int _audio_lines_count;
312 int _audioframe_count;
313 int _audio_upstream_channel;
314 int _last_index_irq; /* The last interrupt index processed. */
315
316 __le32 *_risc_audio_jmp_addr;
317 __le32 *_risc_virt_start_addr;
318 __le32 *_risc_virt_addr;
319 dma_addr_t _risc_phys_addr;
320 dma_addr_t _risc_phys_start_addr;
321
322 unsigned int _audiorisc_size;
323 unsigned int _audiodata_buf_size;
324 __le32 *_audiodata_buf_virt_addr;
325 dma_addr_t _audiodata_buf_phys_addr;
326 char *_audiofilename;
327
328 /* V4l */
329 u32 freq;
330 struct video_device *vbi_dev;
331 struct video_device *radio_dev;
332 struct video_device *ioctl_dev;
333
334 spinlock_t slock;
335
336 /* Video Upstream */
337 int _line_size;
338 int _prog_cnt;
339 int _pixel_format;
340 int _is_first_frame;
341 int _is_running;
342 int _file_status;
343 int _lines_count;
344 int _frame_count;
345 int _channel_upstream_select;
346 unsigned int _risc_size;
347
348 __le32 *_dma_virt_start_addr;
349 __le32 *_dma_virt_addr;
350 dma_addr_t _dma_phys_addr;
351 dma_addr_t _dma_phys_start_addr;
352
353 unsigned int _data_buf_size;
354 __le32 *_data_buf_virt_addr;
355 dma_addr_t _data_buf_phys_addr;
356 char *_filename;
357 char *_defaultname;
358
359 int _line_size_ch2;
360 int _prog_cnt_ch2;
361 int _pixel_format_ch2;
362 int _is_first_frame_ch2;
363 int _is_running_ch2;
364 int _file_status_ch2;
365 int _lines_count_ch2;
366 int _frame_count_ch2;
367 int _channel2_upstream_select;
368 unsigned int _risc_size_ch2;
369
370 __le32 *_dma_virt_start_addr_ch2;
371 __le32 *_dma_virt_addr_ch2;
372 dma_addr_t _dma_phys_addr_ch2;
373 dma_addr_t _dma_phys_start_addr_ch2;
374
375 unsigned int _data_buf_size_ch2;
376 __le32 *_data_buf_virt_addr_ch2;
377 dma_addr_t _data_buf_phys_addr_ch2;
378 char *_filename_ch2;
379 char *_defaultname_ch2;
380
381 /* MPEG Encoder ONLY settings */
382 u32 cx23417_mailbox;
383 struct cx2341x_mpeg_params mpeg_params;
384 struct video_device *v4l_device;
385 atomic_t v4l_reader_count;
386 struct cx25821_tvnorm encodernorm;
387
388 u32 upstream_riscbuf_size;
389 u32 upstream_databuf_size;
390 u32 upstream_riscbuf_size_ch2;
391 u32 upstream_databuf_size_ch2;
392 u32 audio_upstream_riscbuf_size;
393 u32 audio_upstream_databuf_size;
394 int _isNTSC;
395 int _frame_index;
396 int _audioframe_index;
397 struct workqueue_struct *_irq_queues;
398 struct work_struct _irq_work_entry;
399 struct workqueue_struct *_irq_queues_ch2;
400 struct work_struct _irq_work_entry_ch2;
401 struct workqueue_struct *_irq_audio_queues;
402 struct work_struct _audio_work_entry;
403 char *input_filename;
404 char *input_filename_ch2;
405 int _frame_index_ch2;
406 int _isNTSC_ch2;
407 char *vid_stdname_ch2;
408 int pixel_format_ch2;
409 int channel_select_ch2;
410 int command_ch2;
411 char *input_audiofilename;
412 char *vid_stdname;
413 int pixel_format;
414 int channel_select;
415 int command;
416 int channel_opened;
417};
418
419struct upstream_user_struct {
420 char *input_filename;
421 char *vid_stdname;
422 int pixel_format;
423 int channel_select;
424 int command;
425};
426
427struct downstream_user_struct {
428 char *vid_stdname;
429 int pixel_format;
430 int cif_resolution_enable;
431 int cif_width;
432 int decoder_select;
433 int command;
434 int reg_address;
435 int reg_data;
436};
437
438extern struct upstream_user_struct *up_data;
439
440static inline struct cx25821_dev *get_cx25821(struct v4l2_device *v4l2_dev)
441{
442 return container_of(v4l2_dev, struct cx25821_dev, v4l2_dev);
443}
444
445#define cx25821_call_all(dev, o, f, args...) \
446 v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
447
448extern struct list_head cx25821_devlist;
449extern struct mutex cx25821_devlist_mutex;
450
451extern struct cx25821_board cx25821_boards[];
452extern struct cx25821_subid cx25821_subids[];
453
454#define SRAM_CH00 0 /* Video A */
455#define SRAM_CH01 1 /* Video B */
456#define SRAM_CH02 2 /* Video C */
457#define SRAM_CH03 3 /* Video D */
458#define SRAM_CH04 4 /* Video E */
459#define SRAM_CH05 5 /* Video F */
460#define SRAM_CH06 6 /* Video G */
461#define SRAM_CH07 7 /* Video H */
462
463#define SRAM_CH08 8 /* Audio A */
464#define SRAM_CH09 9 /* Video Upstream I */
465#define SRAM_CH10 10 /* Video Upstream J */
466#define SRAM_CH11 11 /* Audio Upstream AUD_CHANNEL_B */
467
468#define VID_UPSTREAM_SRAM_CHANNEL_I SRAM_CH09
469#define VID_UPSTREAM_SRAM_CHANNEL_J SRAM_CH10
470#define AUDIO_UPSTREAM_SRAM_CHANNEL_B SRAM_CH11
471#define VIDEO_IOCTL_CH 11
472
473struct sram_channel {
474 char *name;
475 u32 i;
476 u32 cmds_start;
477 u32 ctrl_start;
478 u32 cdt;
479 u32 fifo_start;
480 u32 fifo_size;
481 u32 ptr1_reg;
482 u32 ptr2_reg;
483 u32 cnt1_reg;
484 u32 cnt2_reg;
485 u32 int_msk;
486 u32 int_stat;
487 u32 int_mstat;
488 u32 dma_ctl;
489 u32 gpcnt_ctl;
490 u32 gpcnt;
491 u32 aud_length;
492 u32 aud_cfg;
493 u32 fld_aud_fifo_en;
494 u32 fld_aud_risc_en;
495
496 /* For Upstream Video */
497 u32 vid_fmt_ctl;
498 u32 vid_active_ctl1;
499 u32 vid_active_ctl2;
500 u32 vid_cdt_size;
501
502 u32 vip_ctl;
503 u32 pix_frmt;
504 u32 jumponly;
505 u32 irq_bit;
506};
507extern struct sram_channel cx25821_sram_channels[];
508
509#define STATUS_SUCCESS 0
510#define STATUS_UNSUCCESSFUL -1
511
512#define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
513#define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2))
514
515#define cx_andor(reg, mask, value) \
516 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
517 ((value) & (mask)), dev->lmmio+((reg)>>2))
518
519#define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
520#define cx_clear(reg, bit) cx_andor((reg), (bit), 0)
521
522#define Set_GPIO_Bit(Bit) (1 << Bit)
523#define Clear_GPIO_Bit(Bit) (~(1 << Bit))
524
525#define CX25821_ERR(fmt, args...) \
526 pr_err("(%d): " fmt, dev->board, ##args)
527#define CX25821_WARN(fmt, args...) \
528 pr_warn("(%d): " fmt, dev->board, ##args)
529#define CX25821_INFO(fmt, args...) \
530 pr_info("(%d): " fmt, dev->board, ##args)
531
532extern int cx25821_i2c_register(struct cx25821_i2c *bus);
533extern void cx25821_card_setup(struct cx25821_dev *dev);
534extern int cx25821_ir_init(struct cx25821_dev *dev);
535extern int cx25821_i2c_read(struct cx25821_i2c *bus, u16 reg_addr, int *value);
536extern int cx25821_i2c_write(struct cx25821_i2c *bus, u16 reg_addr, int value);
537extern int cx25821_i2c_unregister(struct cx25821_i2c *bus);
538extern void cx25821_gpio_init(struct cx25821_dev *dev);
539extern void cx25821_set_gpiopin_direction(struct cx25821_dev *dev,
540 int pin_number, int pin_logic_value);
541
542extern int medusa_video_init(struct cx25821_dev *dev);
543extern int medusa_set_videostandard(struct cx25821_dev *dev);
544extern void medusa_set_resolution(struct cx25821_dev *dev, int width,
545 int decoder_select);
546extern int medusa_set_brightness(struct cx25821_dev *dev, int brightness,
547 int decoder);
548extern int medusa_set_contrast(struct cx25821_dev *dev, int contrast,
549 int decoder);
550extern int medusa_set_hue(struct cx25821_dev *dev, int hue, int decoder);
551extern int medusa_set_saturation(struct cx25821_dev *dev, int saturation,
552 int decoder);
553
554extern int cx25821_sram_channel_setup(struct cx25821_dev *dev,
555 struct sram_channel *ch, unsigned int bpl,
556 u32 risc);
557
558extern int cx25821_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
559 struct scatterlist *sglist,
560 unsigned int top_offset,
561 unsigned int bottom_offset,
562 unsigned int bpl,
563 unsigned int padding, unsigned int lines);
564extern int cx25821_risc_databuffer_audio(struct pci_dev *pci,
565 struct btcx_riscmem *risc,
566 struct scatterlist *sglist,
567 unsigned int bpl,
568 unsigned int lines, unsigned int lpi);
569extern void cx25821_free_buffer(struct videobuf_queue *q,
570 struct cx25821_buffer *buf);
571extern int cx25821_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
572 u32 reg, u32 mask, u32 value);
573extern void cx25821_sram_channel_dump(struct cx25821_dev *dev,
574 struct sram_channel *ch);
575extern void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev,
576 struct sram_channel *ch);
577
578extern struct cx25821_dev *cx25821_dev_get(struct pci_dev *pci);
579extern void cx25821_print_irqbits(char *name, char *tag, char **strings,
580 int len, u32 bits, u32 mask);
581extern void cx25821_dev_unregister(struct cx25821_dev *dev);
582extern int cx25821_sram_channel_setup_audio(struct cx25821_dev *dev,
583 struct sram_channel *ch,
584 unsigned int bpl, u32 risc);
585
586extern int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev,
587 int channel_select, int pixel_format);
588extern int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev,
589 int channel_select, int pixel_format);
590extern int cx25821_audio_upstream_init(struct cx25821_dev *dev,
591 int channel_select);
592extern void cx25821_free_mem_upstream_ch1(struct cx25821_dev *dev);
593extern void cx25821_free_mem_upstream_ch2(struct cx25821_dev *dev);
594extern void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev);
595extern void cx25821_start_upstream_video_ch1(struct cx25821_dev *dev,
596 struct upstream_user_struct
597 *up_data);
598extern void cx25821_start_upstream_video_ch2(struct cx25821_dev *dev,
599 struct upstream_user_struct
600 *up_data);
601extern void cx25821_start_upstream_audio(struct cx25821_dev *dev,
602 struct upstream_user_struct *up_data);
603extern void cx25821_stop_upstream_video_ch1(struct cx25821_dev *dev);
604extern void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev);
605extern void cx25821_stop_upstream_audio(struct cx25821_dev *dev);
606extern int cx25821_sram_channel_setup_upstream(struct cx25821_dev *dev,
607 struct sram_channel *ch,
608 unsigned int bpl, u32 risc);
609extern void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel,
610 u32 format);
611extern void cx25821_videoioctl_unregister(struct cx25821_dev *dev);
612extern struct video_device *cx25821_vdev_init(struct cx25821_dev *dev,
613 struct pci_dev *pci,
614 struct video_device *template,
615 char *type);
616#endif
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