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-rw-r--r--drivers/media/pci/bt8xx/bttvp.h535
1 files changed, 535 insertions, 0 deletions
diff --git a/drivers/media/pci/bt8xx/bttvp.h b/drivers/media/pci/bt8xx/bttvp.h
new file mode 100644
index 000000000000..70fd4f23f605
--- /dev/null
+++ b/drivers/media/pci/bt8xx/bttvp.h
@@ -0,0 +1,535 @@
1/*
2
3 bttv - Bt848 frame grabber driver
4
5 bttv's *private* header file -- nobody other than bttv itself
6 should ever include this file.
7
8 (c) 2000-2002 Gerd Knorr <kraxel@bytesex.org>
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23*/
24
25#ifndef _BTTVP_H_
26#define _BTTVP_H_
27
28#include <linux/types.h>
29#include <linux/wait.h>
30#include <linux/i2c.h>
31#include <linux/i2c-algo-bit.h>
32#include <linux/pci.h>
33#include <linux/input.h>
34#include <linux/mutex.h>
35#include <linux/scatterlist.h>
36#include <asm/io.h>
37#include <media/v4l2-common.h>
38#include <linux/device.h>
39#include <media/videobuf-dma-sg.h>
40#include <media/tveeprom.h>
41#include <media/rc-core.h>
42#include <media/ir-kbd-i2c.h>
43
44#include "bt848.h"
45#include "bttv.h"
46#include "btcx-risc.h"
47
48#ifdef __KERNEL__
49
50#define FORMAT_FLAGS_DITHER 0x01
51#define FORMAT_FLAGS_PACKED 0x02
52#define FORMAT_FLAGS_PLANAR 0x04
53#define FORMAT_FLAGS_RAW 0x08
54#define FORMAT_FLAGS_CrCb 0x10
55
56#define RISC_SLOT_O_VBI 4
57#define RISC_SLOT_O_FIELD 6
58#define RISC_SLOT_E_VBI 10
59#define RISC_SLOT_E_FIELD 12
60#define RISC_SLOT_LOOP 14
61
62#define RESOURCE_OVERLAY 1
63#define RESOURCE_VIDEO_STREAM 2
64#define RESOURCE_VBI 4
65#define RESOURCE_VIDEO_READ 8
66
67#define RAW_LINES 640
68#define RAW_BPL 1024
69
70#define UNSET (-1U)
71
72/* Min. value in VDELAY register. */
73#define MIN_VDELAY 2
74/* Even to get Cb first, odd for Cr. */
75#define MAX_HDELAY (0x3FF & -2)
76/* Limits scaled width, which must be a multiple of 4. */
77#define MAX_HACTIVE (0x3FF & -4)
78
79#define BTTV_NORMS (\
80 V4L2_STD_PAL | V4L2_STD_PAL_N | \
81 V4L2_STD_PAL_Nc | V4L2_STD_SECAM | \
82 V4L2_STD_NTSC | V4L2_STD_PAL_M | \
83 V4L2_STD_PAL_60)
84/* ---------------------------------------------------------- */
85
86struct bttv_tvnorm {
87 int v4l2_id;
88 char *name;
89 u32 Fsc;
90 u16 swidth, sheight; /* scaled standard width, height */
91 u16 totalwidth;
92 u8 adelay, bdelay, iform;
93 u32 scaledtwidth;
94 u16 hdelayx1, hactivex1;
95 u16 vdelay;
96 u8 vbipack;
97 u16 vtotal;
98 int sram;
99 /* ITU-R frame line number of the first VBI line we can
100 capture, of the first and second field. The last possible line
101 is determined by cropcap.bounds. */
102 u16 vbistart[2];
103 /* Horizontally this counts fCLKx1 samples following the leading
104 edge of the horizontal sync pulse, vertically ITU-R frame line
105 numbers of the first field times two (2, 4, 6, ... 524 or 624). */
106 struct v4l2_cropcap cropcap;
107};
108extern const struct bttv_tvnorm bttv_tvnorms[];
109
110struct bttv_format {
111 char *name;
112 int fourcc; /* video4linux 2 */
113 int btformat; /* BT848_COLOR_FMT_* */
114 int btswap; /* BT848_COLOR_CTL_* */
115 int depth; /* bit/pixel */
116 int flags;
117 int hshift,vshift; /* for planar modes */
118};
119
120struct bttv_ir {
121 struct rc_dev *dev;
122 struct timer_list timer;
123
124 char name[32];
125 char phys[32];
126
127 /* Usual gpio signalling */
128 u32 mask_keycode;
129 u32 mask_keydown;
130 u32 mask_keyup;
131 u32 polling;
132 u32 last_gpio;
133 int shift_by;
134 int start; // What should RC5_START() be
135 int addr; // What RC5_ADDR() should be.
136 int rc5_remote_gap;
137
138 /* RC5 gpio */
139 bool rc5_gpio; /* Is RC5 legacy GPIO enabled? */
140 u32 last_bit; /* last raw bit seen */
141 u32 code; /* raw code under construction */
142 struct timeval base_time; /* time of last seen code */
143 bool active; /* building raw code */
144};
145
146
147/* ---------------------------------------------------------- */
148
149struct bttv_geometry {
150 u8 vtc,crop,comb;
151 u16 width,hscale,hdelay;
152 u16 sheight,vscale,vdelay,vtotal;
153};
154
155struct bttv_buffer {
156 /* common v4l buffer stuff -- must be first */
157 struct videobuf_buffer vb;
158
159 /* bttv specific */
160 const struct bttv_format *fmt;
161 unsigned int tvnorm;
162 int btformat;
163 int btswap;
164 struct bttv_geometry geo;
165 struct btcx_riscmem top;
166 struct btcx_riscmem bottom;
167 struct v4l2_rect crop;
168 unsigned int vbi_skip[2];
169 unsigned int vbi_count[2];
170};
171
172struct bttv_buffer_set {
173 struct bttv_buffer *top; /* top field buffer */
174 struct bttv_buffer *bottom; /* bottom field buffer */
175 unsigned int top_irq;
176 unsigned int frame_irq;
177};
178
179struct bttv_overlay {
180 unsigned int tvnorm;
181 struct v4l2_rect w;
182 enum v4l2_field field;
183 struct v4l2_clip *clips;
184 int nclips;
185 int setup_ok;
186};
187
188struct bttv_vbi_fmt {
189 struct v4l2_vbi_format fmt;
190
191 /* fmt.start[] and count[] refer to this video standard. */
192 const struct bttv_tvnorm *tvnorm;
193
194 /* Earliest possible start of video capturing with this
195 v4l2_vbi_format, in struct bttv_crop.rect units. */
196 __s32 end;
197};
198
199/* bttv-vbi.c */
200void bttv_vbi_fmt_reset(struct bttv_vbi_fmt *f, unsigned int norm);
201
202struct bttv_crop {
203 /* A cropping rectangle in struct bttv_tvnorm.cropcap units. */
204 struct v4l2_rect rect;
205
206 /* Scaled image size limits with this crop rect. Divide
207 max_height, but not min_height, by two when capturing
208 single fields. See also bttv_crop_reset() and
209 bttv_crop_adjust() in bttv-driver.c. */
210 __s32 min_scaled_width;
211 __s32 min_scaled_height;
212 __s32 max_scaled_width;
213 __s32 max_scaled_height;
214};
215
216struct bttv_fh {
217 struct bttv *btv;
218 int resources;
219#ifdef VIDIOC_G_PRIORITY
220 enum v4l2_priority prio;
221#endif
222 enum v4l2_buf_type type;
223
224 /* video capture */
225 struct videobuf_queue cap;
226 const struct bttv_format *fmt;
227 int width;
228 int height;
229
230 /* video overlay */
231 const struct bttv_format *ovfmt;
232 struct bttv_overlay ov;
233
234 /* Application called VIDIOC_S_CROP. */
235 int do_crop;
236
237 /* vbi capture */
238 struct videobuf_queue vbi;
239 /* Current VBI capture window as seen through this fh (cannot
240 be global for compatibility with earlier drivers). Protected
241 by struct bttv.lock and struct bttv_fh.vbi.lock. */
242 struct bttv_vbi_fmt vbi_fmt;
243};
244
245/* ---------------------------------------------------------- */
246/* bttv-risc.c */
247
248/* risc code generators - capture */
249int bttv_risc_packed(struct bttv *btv, struct btcx_riscmem *risc,
250 struct scatterlist *sglist,
251 unsigned int offset, unsigned int bpl,
252 unsigned int pitch, unsigned int skip_lines,
253 unsigned int store_lines);
254
255/* control dma register + risc main loop */
256void bttv_set_dma(struct bttv *btv, int override);
257int bttv_risc_init_main(struct bttv *btv);
258int bttv_risc_hook(struct bttv *btv, int slot, struct btcx_riscmem *risc,
259 int irqflags);
260
261/* capture buffer handling */
262int bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf);
263int bttv_buffer_activate_video(struct bttv *btv,
264 struct bttv_buffer_set *set);
265int bttv_buffer_activate_vbi(struct bttv *btv,
266 struct bttv_buffer *vbi);
267void bttv_dma_free(struct videobuf_queue *q, struct bttv *btv,
268 struct bttv_buffer *buf);
269
270/* overlay handling */
271int bttv_overlay_risc(struct bttv *btv, struct bttv_overlay *ov,
272 const struct bttv_format *fmt,
273 struct bttv_buffer *buf);
274
275
276/* ---------------------------------------------------------- */
277/* bttv-vbi.c */
278
279int bttv_try_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
280int bttv_g_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
281int bttv_s_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
282
283extern struct videobuf_queue_ops bttv_vbi_qops;
284
285/* ---------------------------------------------------------- */
286/* bttv-gpio.c */
287
288extern struct bus_type bttv_sub_bus_type;
289int bttv_sub_add_device(struct bttv_core *core, char *name);
290int bttv_sub_del_devices(struct bttv_core *core);
291
292/* ---------------------------------------------------------- */
293/* bttv-cards.c */
294
295extern int no_overlay;
296
297/* ---------------------------------------------------------- */
298/* bttv-input.c */
299
300extern void init_bttv_i2c_ir(struct bttv *btv);
301extern int fini_bttv_i2c(struct bttv *btv);
302
303/* ---------------------------------------------------------- */
304/* bttv-driver.c */
305
306/* insmod options */
307extern unsigned int bttv_verbose;
308extern unsigned int bttv_debug;
309extern unsigned int bttv_gpio;
310extern void bttv_gpio_tracking(struct bttv *btv, char *comment);
311extern int init_bttv_i2c(struct bttv *btv);
312
313#define dprintk(fmt, ...) \
314do { \
315 if (bttv_debug >= 1) \
316 pr_debug(fmt, ##__VA_ARGS__); \
317} while (0)
318#define dprintk_cont(fmt, ...) \
319do { \
320 if (bttv_debug >= 1) \
321 pr_cont(fmt, ##__VA_ARGS__); \
322} while (0)
323#define d2printk(fmt, ...) \
324do { \
325 if (bttv_debug >= 2) \
326 printk(fmt, ##__VA_ARGS__); \
327} while (0)
328
329#define BTTV_MAX_FBUF 0x208000
330#define BTTV_TIMEOUT msecs_to_jiffies(500) /* 0.5 seconds */
331#define BTTV_FREE_IDLE msecs_to_jiffies(1000) /* one second */
332
333
334struct bttv_pll_info {
335 unsigned int pll_ifreq; /* PLL input frequency */
336 unsigned int pll_ofreq; /* PLL output frequency */
337 unsigned int pll_crystal; /* Crystal used for input */
338 unsigned int pll_current; /* Currently programmed ofreq */
339};
340
341/* for gpio-connected remote control */
342struct bttv_input {
343 struct input_dev *dev;
344 char name[32];
345 char phys[32];
346 u32 mask_keycode;
347 u32 mask_keydown;
348};
349
350struct bttv_suspend_state {
351 u32 gpio_enable;
352 u32 gpio_data;
353 int disabled;
354 int loop_irq;
355 struct bttv_buffer_set video;
356 struct bttv_buffer *vbi;
357};
358
359struct bttv {
360 struct bttv_core c;
361
362 /* pci device config */
363 unsigned short id;
364 unsigned char revision;
365 unsigned char __iomem *bt848_mmio; /* pointer to mmio */
366
367 /* card configuration info */
368 unsigned int cardid; /* pci subsystem id (bt878 based ones) */
369 unsigned int tuner_type; /* tuner chip type */
370 unsigned int tda9887_conf;
371 unsigned int svhs, dig;
372 unsigned int has_saa6588:1;
373 struct bttv_pll_info pll;
374 int triton1;
375 int gpioirq;
376
377 int use_i2c_hw;
378
379 /* old gpio interface */
380 int shutdown;
381
382 void (*volume_gpio)(struct bttv *btv, __u16 volume);
383 void (*audio_mode_gpio)(struct bttv *btv, struct v4l2_tuner *tuner, int set);
384
385 /* new gpio interface */
386 spinlock_t gpio_lock;
387
388 /* i2c layer */
389 struct i2c_algo_bit_data i2c_algo;
390 struct i2c_client i2c_client;
391 int i2c_state, i2c_rc;
392 int i2c_done;
393 wait_queue_head_t i2c_queue;
394 struct v4l2_subdev *sd_msp34xx;
395 struct v4l2_subdev *sd_tvaudio;
396
397 /* video4linux (1) */
398 struct video_device *video_dev;
399 struct video_device *radio_dev;
400 struct video_device *vbi_dev;
401
402 /* infrared remote */
403 int has_remote;
404 struct bttv_ir *remote;
405
406 /* I2C remote data */
407 struct IR_i2c_init_data init_data;
408
409 /* locking */
410 spinlock_t s_lock;
411 struct mutex lock;
412 int resources;
413#ifdef VIDIOC_G_PRIORITY
414 struct v4l2_prio_state prio;
415#endif
416
417 /* video state */
418 unsigned int input;
419 unsigned int audio;
420 unsigned int mute;
421 unsigned long freq;
422 unsigned int tvnorm;
423 int hue, contrast, bright, saturation;
424 struct v4l2_framebuffer fbuf;
425 unsigned int field_count;
426
427 /* various options */
428 int opt_combfilter;
429 int opt_lumafilter;
430 int opt_automute;
431 int opt_chroma_agc;
432 int opt_adc_crush;
433 int opt_vcr_hack;
434 int opt_whitecrush_upper;
435 int opt_whitecrush_lower;
436 int opt_uv_ratio;
437 int opt_full_luma_range;
438 int opt_coring;
439
440 /* radio data/state */
441 int has_radio;
442 int radio_user;
443 int radio_uses_msp_demodulator;
444
445 /* miro/pinnacle + Aimslab VHX
446 philips matchbox (tea5757 radio tuner) support */
447 int has_matchbox;
448 int mbox_we;
449 int mbox_data;
450 int mbox_clk;
451 int mbox_most;
452 int mbox_mask;
453
454 /* ISA stuff (Terratec Active Radio Upgrade) */
455 int mbox_ior;
456 int mbox_iow;
457 int mbox_csel;
458
459 /* risc memory management data
460 - must acquire s_lock before changing these
461 - only the irq handler is supported to touch top + bottom + vcurr */
462 struct btcx_riscmem main;
463 struct bttv_buffer *screen; /* overlay */
464 struct list_head capture; /* video capture queue */
465 struct list_head vcapture; /* vbi capture queue */
466 struct bttv_buffer_set curr; /* active buffers */
467 struct bttv_buffer *cvbi; /* active vbi buffer */
468 int loop_irq;
469 int new_input;
470
471 unsigned long cap_ctl;
472 unsigned long dma_on;
473 struct timer_list timeout;
474 struct bttv_suspend_state state;
475
476 /* stats */
477 unsigned int errors;
478 unsigned int framedrop;
479 unsigned int irq_total;
480 unsigned int irq_me;
481
482 unsigned int users;
483 struct bttv_fh init;
484
485 /* used to make dvb-bt8xx autoloadable */
486 struct work_struct request_module_wk;
487
488 /* Default (0) and current (1) video capturing and overlay
489 cropping parameters in bttv_tvnorm.cropcap units. Protected
490 by bttv.lock. */
491 struct bttv_crop crop[2];
492
493 /* Earliest possible start of video capturing in
494 bttv_tvnorm.cropcap line units. Set by check_alloc_btres()
495 and free_btres(). Protected by bttv.lock. */
496 __s32 vbi_end;
497
498 /* Latest possible end of VBI capturing (= crop[x].rect.top when
499 VIDEO_RESOURCES are locked). Set by check_alloc_btres()
500 and free_btres(). Protected by bttv.lock. */
501 __s32 crop_start;
502};
503
504static inline struct bttv *to_bttv(struct v4l2_device *v4l2_dev)
505{
506 return container_of(v4l2_dev, struct bttv, c.v4l2_dev);
507}
508
509/* our devices */
510#define BTTV_MAX 32
511extern unsigned int bttv_num;
512extern struct bttv *bttvs[BTTV_MAX];
513
514static inline unsigned int bttv_muxsel(const struct bttv *btv,
515 unsigned int input)
516{
517 return (bttv_tvcards[btv->c.type].muxsel >> (input * 2)) & 3;
518}
519
520#endif
521
522#define btwrite(dat,adr) writel((dat), btv->bt848_mmio+(adr))
523#define btread(adr) readl(btv->bt848_mmio+(adr))
524
525#define btand(dat,adr) btwrite((dat) & btread(adr), adr)
526#define btor(dat,adr) btwrite((dat) | btread(adr), adr)
527#define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr)
528
529#endif /* _BTTVP_H_ */
530
531/*
532 * Local variables:
533 * c-basic-offset: 8
534 * End:
535 */
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-22 23:50:50 -0500