aboutsummaryrefslogtreecommitdiff
path: root/drivers/staging/cx25821/cx25821.h
blob: cf2286d83b6aaa847b13ef0c5f30a02da756b615 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
/*
 *  Driver for the Conexant CX25821 PCIe bridge
 *
 *  Copyright (C) 2009 Conexant Systems Inc.
 *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
 *  Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef CX25821_H_
#define CX25821_H_

#include <linux/pci.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/kdev_t.h>
#include <linux/smp_lock.h>

#include <media/v4l2-common.h>
#include <media/v4l2-device.h>
#include <media/tuner.h>
#include <media/tveeprom.h>
#include <media/videobuf-dma-sg.h>
#include <media/videobuf-dvb.h>

#include "btcx-risc.h"
#include "cx25821-reg.h"
#include "cx25821-medusa-reg.h"
#include "cx25821-sram.h"
#include "cx25821-audio.h"
#include "media/cx2341x.h"

#include <linux/version.h>
#include <linux/mutex.h>

#define CX25821_VERSION_CODE KERNEL_VERSION(0, 0, 106)

#define UNSET (-1U)
#define NO_SYNC_LINE (-1U)

#define CX25821_MAXBOARDS 2

#define TRUE    1
#define FALSE   0
#define LINE_SIZE_D1    1440

// Number of decoders and encoders
#define MAX_DECODERS            8
#define MAX_ENCODERS            2
#define QUAD_DECODERS           4
#define MAX_CAMERAS             16

/* Max number of inputs by card */
#define MAX_CX25821_INPUT 8
#define INPUT(nr) (&cx25821_boards[dev->board].input[nr])
#define RESOURCE_VIDEO0       1
#define RESOURCE_VIDEO1       2
#define RESOURCE_VIDEO2       4
#define RESOURCE_VIDEO3       8
#define RESOURCE_VIDEO4       16
#define RESOURCE_VIDEO5       32
#define RESOURCE_VIDEO6       64
#define RESOURCE_VIDEO7       128
#define RESOURCE_VIDEO8       256
#define RESOURCE_VIDEO9       512
#define RESOURCE_VIDEO10      1024
#define RESOURCE_VIDEO11      2048
#define RESOURCE_VIDEO_IOCTL  4096

#define BUFFER_TIMEOUT     (HZ)	/* 0.5 seconds */

#define UNKNOWN_BOARD       0
#define CX25821_BOARD        1

/* Currently supported by the driver */
#define CX25821_NORMS (\
    V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_M_KR | \
    V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
    V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_H    | \
    V4L2_STD_PAL_Nc )

#define CX25821_BOARD_CONEXANT_ATHENA10 1
#define MAX_VID_CHANNEL_NUM     12
#define VID_CHANNEL_NUM 8

struct cx25821_fmt {
	char *name;
	u32 fourcc;		/* v4l2 format id */
	int depth;
	int flags;
	u32 cxformat;
};

struct cx25821_ctrl {
	struct v4l2_queryctrl v;
	u32 off;
	u32 reg;
	u32 mask;
	u32 shift;
};

struct cx25821_tvnorm {
	char *name;
	v4l2_std_id id;
	u32 cxiformat;
	u32 cxoformat;
};

struct cx25821_fh {
	struct cx25821_dev *dev;
	enum v4l2_buf_type type;
	int radio;
	u32 resources;

	enum v4l2_priority prio;

	/* video overlay */
	struct v4l2_window win;
	struct v4l2_clip *clips;
	unsigned int nclips;

	/* video capture */
	struct cx25821_fmt *fmt;
	unsigned int width, height;

	/* vbi capture */
	struct videobuf_queue vidq;
	struct videobuf_queue vbiq;

	/* H264 Encoder specifics ONLY */
	struct videobuf_queue mpegq;
	atomic_t v4l_reading;
};

enum cx25821_itype {
	CX25821_VMUX_COMPOSITE = 1,
	CX25821_VMUX_SVIDEO,
	CX25821_VMUX_DEBUG,
	CX25821_RADIO,
};

enum cx25821_src_sel_type {
	CX25821_SRC_SEL_EXT_656_VIDEO = 0,
	CX25821_SRC_SEL_PARALLEL_MPEG_VIDEO
};

/* buffer for one video frame */
struct cx25821_buffer {
	/* common v4l buffer stuff -- must be first */
	struct videobuf_buffer vb;

	/* cx25821 specific */
	unsigned int bpl;
	struct btcx_riscmem risc;
	struct cx25821_fmt *fmt;
	u32 count;
};

struct cx25821_input {
	enum cx25821_itype type;
	unsigned int vmux;
	u32 gpio0, gpio1, gpio2, gpio3;
};

typedef enum {
	CX25821_UNDEFINED = 0,
	CX25821_RAW,
	CX25821_264
} port_t;

struct cx25821_board {
	char *name;
	port_t porta, portb, portc;
	unsigned int tuner_type;
	unsigned int radio_type;
	unsigned char tuner_addr;
	unsigned char radio_addr;

	u32 clk_freq;
	struct cx25821_input input[2];
};

struct cx25821_subid {
	u16 subvendor;
	u16 subdevice;
	u32 card;
};

struct cx25821_i2c {
	struct cx25821_dev *dev;

	int nr;

	/* i2c i/o */
	struct i2c_adapter i2c_adap;
	struct i2c_algo_bit_data i2c_algo;
	struct i2c_client i2c_client;
	u32 i2c_rc;

	/* cx25821 registers used for raw addess */
	u32 i2c_period;
	u32 reg_ctrl;
	u32 reg_stat;
	u32 reg_addr;
	u32 reg_rdata;
	u32 reg_wdata;
};

struct cx25821_dmaqueue {
	struct list_head active;
	struct list_head queued;
	struct timer_list timeout;
	struct btcx_riscmem stopper;
	u32 count;
};

struct cx25821_data {
	struct cx25821_dev *dev;
	struct sram_channel *channel;
};

struct cx25821_dev {
	struct list_head devlist;
	atomic_t refcount;
	struct v4l2_device v4l2_dev;

	struct v4l2_prio_state prio;

	/* pci stuff */
	struct pci_dev *pci;
	unsigned char pci_rev, pci_lat;
	int pci_bus, pci_slot;
	u32 base_io_addr;
	u32 __iomem *lmmio;
	u8 __iomem *bmmio;
	int pci_irqmask;
	int hwrevision;

	u32 clk_freq;

	/* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
	struct cx25821_i2c i2c_bus[3];

	int nr;
	struct mutex lock;

	/* board details */
	unsigned int board;
	char name[32];

	/* sram configuration */
	struct sram_channel *sram_channels;

	/* Analog video */
	u32 resources;
	unsigned int input;
	u32 tvaudio;
	v4l2_std_id tvnorm;
	unsigned int tuner_type;
	unsigned char tuner_addr;
	unsigned int radio_type;
	unsigned char radio_addr;
	unsigned int has_radio;
	unsigned int videc_type;
	unsigned char videc_addr;
	unsigned short _max_num_decoders;

	int ctl_bright;
	int ctl_contrast;
	int ctl_hue;
	int ctl_saturation;

	struct cx25821_data timeout_data[MAX_VID_CHANNEL_NUM];

	/* Analog Audio Upstream */
	int _audio_is_running;
	int _audiopixel_format;
	int _is_first_audio_frame;
	int _audiofile_status;
	int _audio_lines_count;
	int _audioframe_count;
	int _audio_upstream_channel_select;
	int _last_index_irq;	//The last interrupt index processed.

	__le32 *_risc_audio_jmp_addr;
	__le32 *_risc_virt_start_addr;
	__le32 *_risc_virt_addr;
	dma_addr_t _risc_phys_addr;
	dma_addr_t _risc_phys_start_addr;

	unsigned int _audiorisc_size;
	unsigned int _audiodata_buf_size;
	__le32 *_audiodata_buf_virt_addr;
	dma_addr_t _audiodata_buf_phys_addr;
	char *_audiofilename;

	/* V4l */
	u32 freq;
	struct video_device *video_dev[MAX_VID_CHANNEL_NUM];
	struct video_device *vbi_dev;
	struct video_device *radio_dev;
	struct video_device *ioctl_dev;

	struct cx25821_dmaqueue vidq[MAX_VID_CHANNEL_NUM];
	spinlock_t slock;

	/* Video Upstream */
	int _line_size;
	int _prog_cnt;
	int _pixel_format;
	int _is_first_frame;
	int _is_running;
	int _file_status;
	int _lines_count;
	int _frame_count;
	int _channel_upstream_select;
	unsigned int _risc_size;

	__le32 *_dma_virt_start_addr;
	__le32 *_dma_virt_addr;
	dma_addr_t _dma_phys_addr;
	dma_addr_t _dma_phys_start_addr;

	unsigned int _data_buf_size;
	__le32 *_data_buf_virt_addr;
	dma_addr_t _data_buf_phys_addr;
	char *_filename;
	char *_defaultname;

	int _line_size_ch2;
	int _prog_cnt_ch2;
	int _pixel_format_ch2;
	int _is_first_frame_ch2;
	int _is_running_ch2;
	int _file_status_ch2;
	int _lines_count_ch2;
	int _frame_count_ch2;
	int _channel2_upstream_select;
	unsigned int _risc_size_ch2;

	__le32 *_dma_virt_start_addr_ch2;
	__le32 *_dma_virt_addr_ch2;
	dma_addr_t _dma_phys_addr_ch2;
	dma_addr_t _dma_phys_start_addr_ch2;

	unsigned int _data_buf_size_ch2;
	__le32 *_data_buf_virt_addr_ch2;
	dma_addr_t _data_buf_phys_addr_ch2;
	char *_filename_ch2;
	char *_defaultname_ch2;

	/* MPEG Encoder ONLY settings */
	u32 cx23417_mailbox;
	struct cx2341x_mpeg_params mpeg_params;
	struct video_device *v4l_device;
	atomic_t v4l_reader_count;
	struct cx25821_tvnorm encodernorm;

	u32 upstream_riscbuf_size;
	u32 upstream_databuf_size;
	u32 upstream_riscbuf_size_ch2;
	u32 upstream_databuf_size_ch2;
	u32 audio_upstream_riscbuf_size;
	u32 audio_upstream_databuf_size;
	int _isNTSC;
	int _frame_index;
	int _audioframe_index;
	struct workqueue_struct *_irq_queues;
	struct work_struct _irq_work_entry;
	struct workqueue_struct *_irq_queues_ch2;
	struct work_struct _irq_work_entry_ch2;
	struct workqueue_struct *_irq_audio_queues;
	struct work_struct _audio_work_entry;
	char *input_filename;
	char *input_filename_ch2;
	int _frame_index_ch2;
	int _isNTSC_ch2;
	char *vid_stdname_ch2;
	int pixel_format_ch2;
	int channel_select_ch2;
	int command_ch2;
	char *input_audiofilename;
	char *vid_stdname;
	int pixel_format;
	int channel_select;
	int command;
	int pixel_formats[VID_CHANNEL_NUM];
	int use_cif_resolution[VID_CHANNEL_NUM];
	int cif_width[VID_CHANNEL_NUM];
	int channel_opened;
};

struct upstream_user_struct {
	char *input_filename;
	char *vid_stdname;
	int pixel_format;
	int channel_select;
	int command;
};

struct downstream_user_struct {
	char *vid_stdname;
	int pixel_format;
	int cif_resolution_enable;
	int cif_width;
	int decoder_select;
	int command;
	int reg_address;
	int reg_data;
};

extern struct upstream_user_struct *up_data;

static inline struct cx25821_dev *get_cx25821(struct v4l2_device *v4l2_dev)
{
	return container_of(v4l2_dev, struct cx25821_dev, v4l2_dev);
}

#define cx25821_call_all(dev, o, f, args...) \
    v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)

extern struct list_head cx25821_devlist;
extern struct cx25821_board cx25821_boards[];
extern struct cx25821_subid cx25821_subids[];

#define SRAM_CH00  0		/* Video A */
#define SRAM_CH01  1		/* Video B */
#define SRAM_CH02  2		/* Video C */
#define SRAM_CH03  3		/* Video D */
#define SRAM_CH04  4		/* Video E */
#define SRAM_CH05  5		/* Video F */
#define SRAM_CH06  6		/* Video G */
#define SRAM_CH07  7		/* Video H */

#define SRAM_CH08  8		/* Audio A */
#define SRAM_CH09  9		/* Video Upstream I */
#define SRAM_CH10  10		/* Video Upstream J */
#define SRAM_CH11  11		/* Audio Upstream AUD_CHANNEL_B */

#define VID_UPSTREAM_SRAM_CHANNEL_I     SRAM_CH09
#define VID_UPSTREAM_SRAM_CHANNEL_J     SRAM_CH10
#define AUDIO_UPSTREAM_SRAM_CHANNEL_B   SRAM_CH11
#define VIDEO_IOCTL_CH  11

struct sram_channel {
	char *name;
	u32 i;
	u32 cmds_start;
	u32 ctrl_start;
	u32 cdt;
	u32 fifo_start;
	u32 fifo_size;
	u32 ptr1_reg;
	u32 ptr2_reg;
	u32 cnt1_reg;
	u32 cnt2_reg;
	u32 int_msk;
	u32 int_stat;
	u32 int_mstat;
	u32 dma_ctl;
	u32 gpcnt_ctl;
	u32 gpcnt;
	u32 aud_length;
	u32 aud_cfg;
	u32 fld_aud_fifo_en;
	u32 fld_aud_risc_en;

	//For Upstream Video
	u32 vid_fmt_ctl;
	u32 vid_active_ctl1;
	u32 vid_active_ctl2;
	u32 vid_cdt_size;

	u32 vip_ctl;
	u32 pix_frmt;
	u32 jumponly;
	u32 irq_bit;
};
extern struct sram_channel cx25821_sram_channels[];

#define STATUS_SUCCESS         0
#define STATUS_UNSUCCESSFUL    -1

#define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
#define cx_write(reg, value)     writel((value), dev->lmmio + ((reg)>>2))

#define cx_andor(reg, mask, value) \
  writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
  ((value) & (mask)), dev->lmmio+((reg)>>2))

#define cx_set(reg, bit)          cx_andor((reg), (bit), (bit))
#define cx_clear(reg, bit)        cx_andor((reg), (bit), 0)

#define Set_GPIO_Bit(Bit)                       (1 << Bit)
#define Clear_GPIO_Bit(Bit)                     (~(1 << Bit))

#define CX25821_ERR(fmt, args...)      printk(KERN_ERR  "cx25821(%d): " fmt, dev->board, ## args)
#define CX25821_WARN(fmt, args...)     printk(KERN_WARNING "cx25821(%d): " fmt, dev->board , ## args)
#define CX25821_INFO(fmt, args...)     printk(KERN_INFO "cx25821(%d): " fmt, dev->board , ## args)

extern int cx25821_i2c_register(struct cx25821_i2c *bus);
extern void cx25821_card_setup(struct cx25821_dev *dev);
extern int cx25821_ir_init(struct cx25821_dev *dev);
extern int cx25821_i2c_read(struct cx25821_i2c *bus, u16 reg_addr, int *value);
extern int cx25821_i2c_write(struct cx25821_i2c *bus, u16 reg_addr, int value);
extern int cx25821_i2c_unregister(struct cx25821_i2c *bus);
extern void cx25821_gpio_init(struct cx25821_dev *dev);
extern void cx25821_set_gpiopin_direction(struct cx25821_dev *dev,
					  int pin_number, int pin_logic_value);

extern int medusa_video_init(struct cx25821_dev *dev);
extern int medusa_set_videostandard(struct cx25821_dev *dev);
extern void medusa_set_resolution(struct cx25821_dev *dev, int width,
				  int decoder_select);
extern int medusa_set_brightness(struct cx25821_dev *dev, int brightness,
				 int decoder);
extern int medusa_set_contrast(struct cx25821_dev *dev, int contrast,
			       int decoder);
extern int medusa_set_hue(struct cx25821_dev *dev, int hue, int decoder);
extern int medusa_set_saturation(struct cx25821_dev *dev, int saturation,
				 int decoder);

extern int cx25821_sram_channel_setup(struct cx25821_dev *dev,
				      struct sram_channel *ch, unsigned int bpl,
				      u32 risc);

extern int cx25821_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
			       struct scatterlist *sglist,
			       unsigned int top_offset,
			       unsigned int bottom_offset,
			       unsigned int bpl,
			       unsigned int padding, unsigned int lines);
extern int cx25821_risc_databuffer_audio(struct pci_dev *pci,
					 struct btcx_riscmem *risc,
					 struct scatterlist *sglist,
					 unsigned int bpl,
					 unsigned int lines, unsigned int lpi);
extern void cx25821_free_buffer(struct videobuf_queue *q,
				struct cx25821_buffer *buf);
extern int cx25821_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
				u32 reg, u32 mask, u32 value);
extern void cx25821_sram_channel_dump(struct cx25821_dev *dev,
				      struct sram_channel *ch);
extern void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev,
					    struct sram_channel *ch);

extern struct cx25821_dev *cx25821_dev_get(struct pci_dev *pci);
extern void cx25821_print_irqbits(char *name, char *tag, char **strings,
				  int len, u32 bits, u32 mask);
extern void cx25821_dev_unregister(struct cx25821_dev *dev);
extern int cx25821_sram_channel_setup_audio(struct cx25821_dev *dev,
					    struct sram_channel *ch,
					    unsigned int bpl, u32 risc);

extern int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev,
					int channel_select, int pixel_format);
extern int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev,
					int channel_select, int pixel_format);
extern int cx25821_audio_upstream_init(struct cx25821_dev *dev,
				       int channel_select);
extern void cx25821_free_mem_upstream_ch1(struct cx25821_dev *dev);
extern void cx25821_free_mem_upstream_ch2(struct cx25821_dev *dev);
extern void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev);
extern void cx25821_start_upstream_video_ch1(struct cx25821_dev *dev,
					     struct upstream_user_struct
					     *up_data);
extern void cx25821_start_upstream_video_ch2(struct cx25821_dev *dev,
					     struct upstream_user_struct
					     *up_data);
extern void cx25821_start_upstream_audio(struct cx25821_dev *dev,
					 struct upstream_user_struct *up_data);
extern void cx25821_stop_upstream_video_ch1(struct cx25821_dev *dev);
extern void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev);
extern void cx25821_stop_upstream_audio(struct cx25821_dev *dev);
extern int cx25821_sram_channel_setup_upstream(struct cx25821_dev *dev,
					       struct sram_channel *ch,
					       unsigned int bpl, u32 risc);
extern void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel,
				     u32 format);
extern void cx25821_videoioctl_unregister(struct cx25821_dev *dev);
extern struct video_device *cx25821_vdev_init(struct cx25821_dev *dev,
					      struct pci_dev *pci,
					      struct video_device *template,
					      char *type);
#endif