summaryrefslogtreecommitdiffstats
path: root/drivers/media/video/cx23885/cx23885.h
blob: 67828029fc69ed9489ce91ba5f30bdb33a4eb9d9 (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
/*
 *  Driver for the Conexant CX23885 PCIe bridge
 *
 *  Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
 *
 *  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.
 */

#include <linux/pci.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <linux/kdev_t.h>

#include <media/v4l2-common.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 "cx23885-reg.h"
#include "media/cx2341x.h"

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

#define CX23885_VERSION_CODE KERNEL_VERSION(0, 0, 1)

#define UNSET (-1U)

#define CX23885_MAXBOARDS 8

/* Max number of inputs by card */
#define MAX_CX23885_INPUT 8
#define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
#define RESOURCE_OVERLAY       1
#define RESOURCE_VIDEO         2
#define RESOURCE_VBI           4

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

#define CX23885_BOARD_NOAUTO               UNSET
#define CX23885_BOARD_UNKNOWN                  0
#define CX23885_BOARD_HAUPPAUGE_HVR1800lp      1
#define CX23885_BOARD_HAUPPAUGE_HVR1800        2
#define CX23885_BOARD_HAUPPAUGE_HVR1250        3
#define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP   4
#define CX23885_BOARD_HAUPPAUGE_HVR1500Q       5
#define CX23885_BOARD_HAUPPAUGE_HVR1500        6
#define CX23885_BOARD_HAUPPAUGE_HVR1200        7
#define CX23885_BOARD_HAUPPAUGE_HVR1700        8
#define CX23885_BOARD_HAUPPAUGE_HVR1400        9
#define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
#define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
#define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12
#define CX23885_BOARD_COMPRO_VIDEOMATE_E650F   13

/* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
#define CX23885_NORMS (\
	V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
	V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
	V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
	V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)

struct cx23885_fmt {
	char  *name;
	u32   fourcc;          /* v4l2 format id */
	int   depth;
	int   flags;
	u32   cxformat;
};

struct cx23885_ctrl {
	struct v4l2_queryctrl v;
	u32                   off;
	u32                   reg;
	u32                   mask;
	u32                   shift;
};

struct cx23885_tvnorm {
	char		*name;
	v4l2_std_id	id;
	u32		cxiformat;
	u32		cxoformat;
};

struct cx23885_fh {
	struct cx23885_dev         *dev;
	enum v4l2_buf_type         type;
	int                        radio;
	u32                        resources;

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

	/* video capture */
	struct cx23885_fmt         *fmt;
	unsigned int               width, height;

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

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

enum cx23885_itype {
	CX23885_VMUX_COMPOSITE1 = 1,
	CX23885_VMUX_COMPOSITE2,
	CX23885_VMUX_COMPOSITE3,
	CX23885_VMUX_COMPOSITE4,
	CX23885_VMUX_SVIDEO,
	CX23885_VMUX_TELEVISION,
	CX23885_VMUX_CABLE,
	CX23885_VMUX_DVB,
	CX23885_VMUX_DEBUG,
	CX23885_RADIO,
};

enum cx23885_src_sel_type {
	CX23885_SRC_SEL_EXT_656_VIDEO = 0,
	CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
};

/* buffer for one video frame */
struct cx23885_buffer {
	/* common v4l buffer stuff -- must be first */
	struct videobuf_buffer vb;

	/* cx23885 specific */
	unsigned int           bpl;
	struct btcx_riscmem    risc;
	struct cx23885_fmt     *fmt;
	u32                    count;
};

struct cx23885_input {
	enum cx23885_itype type;
	unsigned int    vmux;
	u32             gpio0, gpio1, gpio2, gpio3;
};

typedef enum {
	CX23885_MPEG_UNDEFINED = 0,
	CX23885_MPEG_DVB,
	CX23885_ANALOG_VIDEO,
	CX23885_MPEG_ENCODER,
} port_t;

struct cx23885_board {
	char                    *name;
	port_t			porta, portb, portc;
	unsigned int		tuner_type;
	unsigned int		radio_type;
	unsigned char		tuner_addr;
	unsigned char		radio_addr;

	/* Vendors can and do run the PCIe bridge at different
	 * clock rates, driven physically by crystals on the PCBs.
	 * The core has to accomodate this. This allows the user
	 * to add new boards with new frequencys. The value is
	 * expressed in Hz.
	 *
	 * The core framework will default this value based on
	 * current designs, but it can vary.
	 */
	u32			clk_freq;
	struct cx23885_input    input[MAX_CX23885_INPUT];
};

struct cx23885_subid {
	u16     subvendor;
	u16     subdevice;
	u32     card;
};

struct cx23885_i2c {
	struct cx23885_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;

	/* 885 registers used for raw addess */
	u32                        i2c_period;
	u32                        reg_ctrl;
	u32                        reg_stat;
	u32                        reg_addr;
	u32                        reg_rdata;
	u32                        reg_wdata;
};

struct cx23885_dmaqueue {
	struct list_head       active;
	struct list_head       queued;
	struct timer_list      timeout;
	struct btcx_riscmem    stopper;
	u32                    count;
};

struct cx23885_tsport {
	struct cx23885_dev *dev;

	int                        nr;
	int                        sram_chno;

	struct videobuf_dvb_frontends frontends;

	/* dma queues */
	struct cx23885_dmaqueue    mpegq;
	u32                        ts_packet_size;
	u32                        ts_packet_count;

	int                        width;
	int                        height;

	spinlock_t                 slock;

	/* registers */
	u32                        reg_gpcnt;
	u32                        reg_gpcnt_ctl;
	u32                        reg_dma_ctl;
	u32                        reg_lngth;
	u32                        reg_hw_sop_ctrl;
	u32                        reg_gen_ctrl;
	u32                        reg_bd_pkt_status;
	u32                        reg_sop_status;
	u32                        reg_fifo_ovfl_stat;
	u32                        reg_vld_misc;
	u32                        reg_ts_clk_en;
	u32                        reg_ts_int_msk;
	u32                        reg_ts_int_stat;
	u32                        reg_src_sel;

	/* Default register vals */
	int                        pci_irqmask;
	u32                        dma_ctl_val;
	u32                        ts_int_msk_val;
	u32                        gen_ctrl_val;
	u32                        ts_clk_en_val;
	u32                        src_sel_val;
	u32                        vld_misc_val;
	u32                        hw_sop_ctrl_val;

	/* Allow a single tsport to have multiple frontends */
	u32                        num_frontends;
};

struct cx23885_dev {
	struct list_head           devlist;
	atomic_t                   refcount;

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

	/* This valud is board specific and is used to configure the
	 * AV core so we see nice clean and stable video and audio. */
	u32                        clk_freq;

	/* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
	struct cx23885_i2c         i2c_bus[3];

	int                        nr;
	struct mutex               lock;

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

	struct cx23885_tsport      ts1, ts2;

	/* sram configuration */
	struct sram_channel        *sram_channels;

	enum {
		CX23885_BRIDGE_UNDEFINED = 0,
		CX23885_BRIDGE_885 = 885,
		CX23885_BRIDGE_887 = 887,
	} bridge;

	/* 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;

	/* V4l */
	u32                        freq;
	struct video_device        *video_dev;
	struct video_device        *vbi_dev;
	struct video_device        *radio_dev;

	struct cx23885_dmaqueue    vidq;
	struct cx23885_dmaqueue    vbiq;
	spinlock_t                 slock;

	/* MPEG Encoder ONLY settings */
	u32                        cx23417_mailbox;
	struct cx2341x_mpeg_params mpeg_params;
	struct video_device        *v4l_device;
	atomic_t                   v4l_reader_count;
	struct cx23885_tvnorm      encodernorm;

};

extern struct list_head cx23885_devlist;

#define SRAM_CH01  0 /* Video A */
#define SRAM_CH02  1 /* VBI A */
#define SRAM_CH03  2 /* Video B */
#define SRAM_CH04  3 /* Transport via B */
#define SRAM_CH05  4 /* VBI B */
#define SRAM_CH06  5 /* Video C */
#define SRAM_CH07  6 /* Transport via C */
#define SRAM_CH08  7 /* Audio Internal A */
#define SRAM_CH09  8 /* Audio Internal B */
#define SRAM_CH10  9 /* Audio External */
#define SRAM_CH11 10 /* COMB_3D_N */
#define SRAM_CH12 11 /* Comb 3D N1 */
#define SRAM_CH13 12 /* Comb 3D N2 */
#define SRAM_CH14 13 /* MOE Vid */
#define SRAM_CH15 14 /* MOE RSLT */

struct sram_channel {
	char *name;
	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  jumponly;
};

/* ----------------------------------------------------------- */

#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)

/* ----------------------------------------------------------- */
/* cx23885-core.c                                              */

extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
	struct sram_channel *ch,
	unsigned int bpl, u32 risc);

extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
	struct sram_channel *ch);

extern int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
	u32 reg, u32 mask, u32 value);

extern int cx23885_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);

void cx23885_cancel_buffers(struct cx23885_tsport *port);

extern int cx23885_restart_queue(struct cx23885_tsport *port,
				struct cx23885_dmaqueue *q);

extern void cx23885_wakeup(struct cx23885_tsport *port,
			   struct cx23885_dmaqueue *q, u32 count);


/* ----------------------------------------------------------- */
/* cx23885-cards.c                                             */
extern struct cx23885_board cx23885_boards[];
extern const unsigned int cx23885_bcount;

extern struct cx23885_subid cx23885_subids[];
extern const unsigned int cx23885_idcount;

extern int cx23885_tuner_callback(void *priv, int component,
	int command, int arg);
extern void cx23885_card_list(struct cx23885_dev *dev);
extern int  cx23885_ir_init(struct cx23885_dev *dev);
extern void cx23885_gpio_setup(struct cx23885_dev *dev);
extern void cx23885_card_setup(struct cx23885_dev *dev);
extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);

extern int cx23885_dvb_register(struct cx23885_tsport *port);
extern int cx23885_dvb_unregister(struct cx23885_tsport *port);

extern int cx23885_buf_prepare(struct videobuf_queue *q,
			       struct cx23885_tsport *port,
			       struct cx23885_buffer *buf,
			       enum v4l2_field field);
extern void cx23885_buf_queue(struct cx23885_tsport *port,
			      struct cx23885_buffer *buf);
extern void cx23885_free_buffer(struct videobuf_queue *q,
				struct cx23885_buffer *buf);

/* ----------------------------------------------------------- */
/* cx23885-video.c                                             */
/* Video */
extern int cx23885_video_register(struct cx23885_dev *dev);
extern void cx23885_video_unregister(struct cx23885_dev *dev);
extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);

/* ----------------------------------------------------------- */
/* cx23885-vbi.c                                               */
extern int cx23885_vbi_fmt(struct file *file, void *priv,
	struct v4l2_format *f);
extern void cx23885_vbi_timeout(unsigned long data);
extern struct videobuf_queue_ops cx23885_vbi_qops;

/* cx23885-i2c.c                                                */
extern int cx23885_i2c_register(struct cx23885_i2c *bus);
extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd,
				     void *arg);
extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);

/* ----------------------------------------------------------- */
/* cx23885-417.c                                               */
extern int cx23885_417_register(struct cx23885_dev *dev);
extern void cx23885_417_unregister(struct cx23885_dev *dev);
extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
extern void cx23885_mc417_init(struct cx23885_dev *dev);
extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);


/* ----------------------------------------------------------- */
/* tv norms                                                    */

static inline unsigned int norm_maxw(v4l2_std_id norm)
{
	return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
}

static inline unsigned int norm_maxh(v4l2_std_id norm)
{
	return (norm & V4L2_STD_625_50) ? 576 : 480;
}

static inline unsigned int norm_swidth(v4l2_std_id norm)
{
	return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;
}