aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/video/bt8xx/bttvp.h
blob: 4183a21cf161c9f3766569237be84d89693194d8 (plain) (blame)
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
/*

    bttv - Bt848 frame grabber driver

    bttv's *private* header file  --  nobody other than bttv itself
    should ever include this file.

    (c) 2000-2002 Gerd Knorr <kraxel@bytesex.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.
*/

#ifndef _BTTVP_H_
#define _BTTVP_H_

#include <linux/version.h>
#define BTTV_VERSION_CODE KERNEL_VERSION(0,9,16)

#include <linux/types.h>
#include <linux/wait.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <linux/videodev.h>
#include <linux/pci.h>
#include <linux/input.h>
#include <linux/mutex.h>
#include <asm/scatterlist.h>
#include <asm/io.h>

#include <linux/device.h>
#include <media/video-buf.h>
#include <media/tuner.h>
#include <media/tveeprom.h>
#include <media/ir-common.h>


#include "bt848.h"
#include "bttv.h"
#include "btcx-risc.h"

#ifdef __KERNEL__

#define FORMAT_FLAGS_DITHER       0x01
#define FORMAT_FLAGS_PACKED       0x02
#define FORMAT_FLAGS_PLANAR       0x04
#define FORMAT_FLAGS_RAW          0x08
#define FORMAT_FLAGS_CrCb         0x10

#define RISC_SLOT_O_VBI        4
#define RISC_SLOT_O_FIELD      6
#define RISC_SLOT_E_VBI       10
#define RISC_SLOT_E_FIELD     12
#define RISC_SLOT_LOOP        14

#define RESOURCE_OVERLAY       1
#define RESOURCE_VIDEO         2
#define RESOURCE_VBI           4

#define RAW_LINES            640
#define RAW_BPL             1024

#define UNSET (-1U)

#define clamp(x, low, high) min (max (low, x), high)

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

struct bttv_tvnorm {
	int   v4l2_id;
	char  *name;
	u32   Fsc;
	u16   swidth, sheight; /* scaled standard width, height */
	u16   totalwidth;
	u8    adelay, bdelay, iform;
	u32   scaledtwidth;
	u16   hdelayx1, hactivex1;
	u16   vdelay;
	u8    vbipack;
	u16   vtotal;
	int   sram;
	/* ITU-R frame line number of the first VBI line we can
	   capture, of the first and second field. */
	u16   vbistart[2];
};
extern const struct bttv_tvnorm bttv_tvnorms[];

struct bttv_format {
	char *name;
	int  palette;         /* video4linux 1      */
	int  fourcc;          /* video4linux 2      */
	int  btformat;        /* BT848_COLOR_FMT_*  */
	int  btswap;          /* BT848_COLOR_CTL_*  */
	int  depth;           /* bit/pixel          */
	int  flags;
	int  hshift,vshift;   /* for planar modes   */
};

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

struct bttv_geometry {
	u8  vtc,crop,comb;
	u16 width,hscale,hdelay;
	u16 sheight,vscale,vdelay,vtotal;
};

struct bttv_buffer {
	/* common v4l buffer stuff -- must be first */
	struct videobuf_buffer     vb;

	/* bttv specific */
	const struct bttv_format   *fmt;
	int                        tvnorm;
	int                        btformat;
	int                        btswap;
	struct bttv_geometry       geo;
	struct btcx_riscmem        top;
	struct btcx_riscmem        bottom;
};

struct bttv_buffer_set {
	struct bttv_buffer     *top;       /* top field buffer    */
	struct bttv_buffer     *bottom;    /* bottom field buffer */
	unsigned int           top_irq;
	unsigned int           frame_irq;
};

struct bttv_overlay {
	int                    tvnorm;
	struct v4l2_rect       w;
	enum v4l2_field        field;
	struct v4l2_clip       *clips;
	int                    nclips;
	int                    setup_ok;
};

struct bttv_fh {
	struct bttv              *btv;
	int resources;
#ifdef VIDIOC_G_PRIORITY
	enum v4l2_priority       prio;
#endif
	enum v4l2_buf_type       type;

	/* video capture */
	struct videobuf_queue    cap;
	const struct bttv_format *fmt;
	int                      width;
	int                      height;

	/* current settings */
	const struct bttv_format *ovfmt;
	struct bttv_overlay      ov;

	/* video overlay */
	struct videobuf_queue    vbi;
	int                      lines;
};

/* ---------------------------------------------------------- */
/* bttv-risc.c                                                */

/* risc code generators - capture */
int bttv_risc_packed(struct bttv *btv, struct btcx_riscmem *risc,
		     struct scatterlist *sglist,
		     unsigned int offset, unsigned int bpl,
		     unsigned int pitch, unsigned int lines);

/* control dma register + risc main loop */
void bttv_set_dma(struct bttv *btv, int override);
int bttv_risc_init_main(struct bttv *btv);
int bttv_risc_hook(struct bttv *btv, int slot, struct btcx_riscmem *risc,
		   int irqflags);

/* capture buffer handling */
int bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf);
int bttv_buffer_activate_video(struct bttv *btv,
			       struct bttv_buffer_set *set);
int bttv_buffer_activate_vbi(struct bttv *btv,
			     struct bttv_buffer *vbi);
void bttv_dma_free(struct videobuf_queue *q, struct bttv *btv,
		   struct bttv_buffer *buf);

/* overlay handling */
int bttv_overlay_risc(struct bttv *btv, struct bttv_overlay *ov,
		      const struct bttv_format *fmt,
		      struct bttv_buffer *buf);


/* ---------------------------------------------------------- */
/* bttv-vbi.c                                                 */

void bttv_vbi_try_fmt(struct bttv_fh *fh, struct v4l2_format *f);
void bttv_vbi_get_fmt(struct bttv_fh *fh, struct v4l2_format *f);
void bttv_vbi_setlines(struct bttv_fh *fh, struct bttv *btv, int lines);

extern struct videobuf_queue_ops bttv_vbi_qops;

/* ---------------------------------------------------------- */
/* bttv-gpio.c */


extern struct bus_type bttv_sub_bus_type;
int bttv_sub_add_device(struct bttv_core *core, char *name);
int bttv_sub_del_devices(struct bttv_core *core);


/* ---------------------------------------------------------- */
/* bttv-driver.c                                              */

/* insmod options */
extern unsigned int bttv_verbose;
extern unsigned int bttv_debug;
extern unsigned int bttv_gpio;
extern void bttv_gpio_tracking(struct bttv *btv, char *comment);
extern int init_bttv_i2c(struct bttv *btv);
extern int fini_bttv_i2c(struct bttv *btv);

#define bttv_printk if (bttv_verbose) printk
#define dprintk  if (bttv_debug >= 1) printk
#define d2printk if (bttv_debug >= 2) printk

#define BTTV_MAX_FBUF   0x208000
#define VBIBUF_SIZE     (2048*VBI_MAXLINES*2)
#define BTTV_TIMEOUT    (HZ/2) /* 0.5 seconds */
#define BTTV_FREE_IDLE  (HZ)   /* one second */


struct bttv_pll_info {
	unsigned int pll_ifreq;    /* PLL input frequency        */
	unsigned int pll_ofreq;    /* PLL output frequency       */
	unsigned int pll_crystal;  /* Crystal used for input     */
	unsigned int pll_current;  /* Currently programmed ofreq */
};

/* for gpio-connected remote control */
struct bttv_input {
	struct input_dev      *dev;
	struct ir_input_state ir;
	char                  name[32];
	char                  phys[32];
	u32                   mask_keycode;
	u32                   mask_keydown;
};

struct bttv_suspend_state {
	u32  gpio_enable;
	u32  gpio_data;
	int  disabled;
	int  loop_irq;
	struct bttv_buffer_set video;
	struct bttv_buffer     *vbi;
};

struct bttv {
	struct bttv_core c;

	/* pci device config */
	unsigned short id;
	unsigned char revision;
	unsigned char __iomem *bt848_mmio;   /* pointer to mmio */

	/* card configuration info */
	unsigned int cardid;   /* pci subsystem id (bt878 based ones) */
	unsigned int tuner_type;  /* tuner chip type */
	unsigned int tda9887_conf;
	unsigned int svhs;
	struct bttv_pll_info pll;
	int triton1;
	int gpioirq;
	int (*custom_irq)(struct bttv *btv);

	int use_i2c_hw;

	/* old gpio interface */
	wait_queue_head_t gpioq;
	int shutdown;
	void (*audio_hook)(struct bttv *btv, struct video_audio *v, int set);

	/* new gpio interface */
	spinlock_t gpio_lock;

	/* i2c layer */
	struct i2c_algo_bit_data   i2c_algo;
	struct i2c_client          i2c_client;
	int                        i2c_state, i2c_rc;
	int                        i2c_done;
	wait_queue_head_t          i2c_queue;
	struct i2c_client 	  *i2c_msp34xx_client;
	struct i2c_client 	  *i2c_tvaudio_client;

	/* video4linux (1) */
	struct video_device *video_dev;
	struct video_device *radio_dev;
	struct video_device *vbi_dev;

	/* infrared remote */
	int has_remote;
	struct bttv_ir *remote;

	/* locking */
	spinlock_t s_lock;
	struct mutex lock;
	int resources;
	struct mutex reslock;
#ifdef VIDIOC_G_PRIORITY
	struct v4l2_prio_state prio;
#endif

	/* video state */
	unsigned int input;
	unsigned int audio;
	unsigned int mute;
	unsigned long freq;
	int tvnorm,hue,contrast,bright,saturation;
	struct v4l2_framebuffer fbuf;
	unsigned int field_count;

	/* various options */
	int opt_combfilter;
	int opt_lumafilter;
	int opt_automute;
	int opt_chroma_agc;
	int opt_adc_crush;
	int opt_vcr_hack;
	int opt_whitecrush_upper;
	int opt_whitecrush_lower;
	int opt_uv_ratio;
	int opt_full_luma_range;
	int opt_coring;

	/* radio data/state */
	int has_radio;
	int radio_user;

	/* miro/pinnacle + Aimslab VHX
	   philips matchbox (tea5757 radio tuner) support */
	int has_matchbox;
	int mbox_we;
	int mbox_data;
	int mbox_clk;
	int mbox_most;
	int mbox_mask;

	/* ISA stuff (Terratec Active Radio Upgrade) */
	int mbox_ior;
	int mbox_iow;
	int mbox_csel;

	/* risc memory management data
	   - must aquire s_lock before changing these
	   - only the irq handler is supported to touch top + bottom + vcurr */
	struct btcx_riscmem     main;
	struct bttv_buffer      *screen;    /* overlay             */
	struct list_head        capture;    /* video capture queue */
	struct list_head        vcapture;   /* vbi capture queue   */
	struct bttv_buffer_set  curr;       /* active buffers      */
	struct bttv_buffer      *cvbi;      /* active vbi buffer   */
	int                     loop_irq;
	int                     new_input;

	unsigned long cap_ctl;
	unsigned long dma_on;
	struct timer_list timeout;
	struct bttv_suspend_state state;

	/* stats */
	unsigned int errors;
	unsigned int framedrop;
	unsigned int irq_total;
	unsigned int irq_me;

	unsigned int users;
	struct bttv_fh init;
};

/* our devices */
#define BTTV_MAX 16
extern unsigned int bttv_num;
extern struct bttv bttvs[BTTV_MAX];

/* private ioctls */
#define BTTV_VERSION            _IOR('v' , BASE_VIDIOCPRIVATE+6, int)
#define BTTV_VBISIZE            _IOR('v' , BASE_VIDIOCPRIVATE+8, int)

#endif

#define btwrite(dat,adr)    writel((dat), btv->bt848_mmio+(adr))
#define btread(adr)         readl(btv->bt848_mmio+(adr))

#define btand(dat,adr)      btwrite((dat) & btread(adr), adr)
#define btor(dat,adr)       btwrite((dat) | btread(adr), adr)
#define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr)

#endif /* _BTTVP_H_ */

/*
 * Local variables:
 * c-basic-offset: 8
 * End:
 */