Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
1da177e4 LT |
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 | ||
1da177e4 LT |
28 | #include <linux/types.h> |
29 | #include <linux/wait.h> | |
30 | #include <linux/i2c.h> | |
31 | #include <linux/i2c-algo-bit.h> | |
1da177e4 LT |
32 | #include <linux/pci.h> |
33 | #include <linux/input.h> | |
bd5f0ac9 | 34 | #include <linux/mutex.h> |
87ae9afd | 35 | #include <linux/scatterlist.h> |
01df530c | 36 | #include <linux/device.h> |
1da177e4 | 37 | #include <asm/io.h> |
18f3fa1e | 38 | #include <media/v4l2-common.h> |
01df530c | 39 | #include <media/v4l2-ctrls.h> |
ae50f0f8 | 40 | #include <media/v4l2-fh.h> |
c1accaa2 | 41 | #include <media/videobuf-dma-sg.h> |
1da177e4 | 42 | #include <media/tveeprom.h> |
6bda9644 | 43 | #include <media/rc-core.h> |
b5dcee22 | 44 | #include <media/i2c/ir-kbd-i2c.h> |
d647f0b7 | 45 | #include <media/drv-intf/tea575x.h> |
674434c6 | 46 | |
1da177e4 LT |
47 | #include "bt848.h" |
48 | #include "bttv.h" | |
49 | #include "btcx-risc.h" | |
50 | ||
51 | #ifdef __KERNEL__ | |
52 | ||
53 | #define FORMAT_FLAGS_DITHER 0x01 | |
54 | #define FORMAT_FLAGS_PACKED 0x02 | |
55 | #define FORMAT_FLAGS_PLANAR 0x04 | |
56 | #define FORMAT_FLAGS_RAW 0x08 | |
57 | #define FORMAT_FLAGS_CrCb 0x10 | |
58 | ||
59 | #define RISC_SLOT_O_VBI 4 | |
60 | #define RISC_SLOT_O_FIELD 6 | |
61 | #define RISC_SLOT_E_VBI 10 | |
62 | #define RISC_SLOT_E_FIELD 12 | |
63 | #define RISC_SLOT_LOOP 14 | |
64 | ||
65 | #define RESOURCE_OVERLAY 1 | |
e5bd0260 | 66 | #define RESOURCE_VIDEO_STREAM 2 |
1da177e4 | 67 | #define RESOURCE_VBI 4 |
e5bd0260 | 68 | #define RESOURCE_VIDEO_READ 8 |
1da177e4 LT |
69 | |
70 | #define RAW_LINES 640 | |
71 | #define RAW_BPL 1024 | |
72 | ||
73 | #define UNSET (-1U) | |
74 | ||
e5bd0260 MS |
75 | /* Min. value in VDELAY register. */ |
76 | #define MIN_VDELAY 2 | |
77 | /* Even to get Cb first, odd for Cr. */ | |
78 | #define MAX_HDELAY (0x3FF & -2) | |
79 | /* Limits scaled width, which must be a multiple of 4. */ | |
80 | #define MAX_HACTIVE (0x3FF & -4) | |
81 | ||
402aa76a DSL |
82 | #define BTTV_NORMS (\ |
83 | V4L2_STD_PAL | V4L2_STD_PAL_N | \ | |
84 | V4L2_STD_PAL_Nc | V4L2_STD_SECAM | \ | |
85 | V4L2_STD_NTSC | V4L2_STD_PAL_M | \ | |
86 | V4L2_STD_PAL_60) | |
1da177e4 LT |
87 | /* ---------------------------------------------------------- */ |
88 | ||
89 | struct bttv_tvnorm { | |
90 | int v4l2_id; | |
91 | char *name; | |
4ac97914 MCC |
92 | u32 Fsc; |
93 | u16 swidth, sheight; /* scaled standard width, height */ | |
1da177e4 LT |
94 | u16 totalwidth; |
95 | u8 adelay, bdelay, iform; | |
96 | u32 scaledtwidth; | |
97 | u16 hdelayx1, hactivex1; | |
98 | u16 vdelay; | |
4ac97914 | 99 | u8 vbipack; |
1da177e4 LT |
100 | u16 vtotal; |
101 | int sram; | |
67f1570a | 102 | /* ITU-R frame line number of the first VBI line we can |
e5bd0260 MS |
103 | capture, of the first and second field. The last possible line |
104 | is determined by cropcap.bounds. */ | |
67f1570a | 105 | u16 vbistart[2]; |
e5bd0260 MS |
106 | /* Horizontally this counts fCLKx1 samples following the leading |
107 | edge of the horizontal sync pulse, vertically ITU-R frame line | |
108 | numbers of the first field times two (2, 4, 6, ... 524 or 624). */ | |
109 | struct v4l2_cropcap cropcap; | |
1da177e4 LT |
110 | }; |
111 | extern const struct bttv_tvnorm bttv_tvnorms[]; | |
112 | ||
113 | struct bttv_format { | |
114 | char *name; | |
1da177e4 LT |
115 | int fourcc; /* video4linux 2 */ |
116 | int btformat; /* BT848_COLOR_FMT_* */ | |
117 | int btswap; /* BT848_COLOR_CTL_* */ | |
118 | int depth; /* bit/pixel */ | |
119 | int flags; | |
120 | int hshift,vshift; /* for planar modes */ | |
121 | }; | |
122 | ||
edb4c25c | 123 | struct bttv_ir { |
a6e3b81f | 124 | struct rc_dev *dev; |
3938e0cf | 125 | struct timer_list timer; |
a6e3b81f MCC |
126 | |
127 | char name[32]; | |
128 | char phys[32]; | |
edb4c25c | 129 | |
a6e3b81f MCC |
130 | /* Usual gpio signalling */ |
131 | u32 mask_keycode; | |
132 | u32 mask_keydown; | |
133 | u32 mask_keyup; | |
134 | u32 polling; | |
135 | u32 last_gpio; | |
136 | int shift_by; | |
a6e3b81f | 137 | int rc5_remote_gap; |
a6e3b81f MCC |
138 | |
139 | /* RC5 gpio */ | |
b7c7a4be | 140 | bool rc5_gpio; /* Is RC5 legacy GPIO enabled? */ |
edb4c25c DH |
141 | u32 last_bit; /* last raw bit seen */ |
142 | u32 code; /* raw code under construction */ | |
82fde1a9 | 143 | ktime_t base_time; /* time of last seen code */ |
edb4c25c | 144 | bool active; /* building raw code */ |
a6e3b81f MCC |
145 | }; |
146 | ||
147 | ||
1da177e4 LT |
148 | /* ---------------------------------------------------------- */ |
149 | ||
150 | struct bttv_geometry { | |
151 | u8 vtc,crop,comb; | |
152 | u16 width,hscale,hdelay; | |
153 | u16 sheight,vscale,vdelay,vtotal; | |
154 | }; | |
155 | ||
156 | struct bttv_buffer { | |
157 | /* common v4l buffer stuff -- must be first */ | |
158 | struct videobuf_buffer vb; | |
159 | ||
160 | /* bttv specific */ | |
161 | const struct bttv_format *fmt; | |
4ef2ccc2 | 162 | unsigned int tvnorm; |
1da177e4 LT |
163 | int btformat; |
164 | int btswap; | |
165 | struct bttv_geometry geo; | |
166 | struct btcx_riscmem top; | |
167 | struct btcx_riscmem bottom; | |
e5bd0260 MS |
168 | struct v4l2_rect crop; |
169 | unsigned int vbi_skip[2]; | |
170 | unsigned int vbi_count[2]; | |
1da177e4 LT |
171 | }; |
172 | ||
173 | struct bttv_buffer_set { | |
174 | struct bttv_buffer *top; /* top field buffer */ | |
175 | struct bttv_buffer *bottom; /* bottom field buffer */ | |
176 | unsigned int top_irq; | |
177 | unsigned int frame_irq; | |
178 | }; | |
179 | ||
180 | struct bttv_overlay { | |
4ef2ccc2 | 181 | unsigned int tvnorm; |
1da177e4 LT |
182 | struct v4l2_rect w; |
183 | enum v4l2_field field; | |
184 | struct v4l2_clip *clips; | |
185 | int nclips; | |
186 | int setup_ok; | |
187 | }; | |
188 | ||
e5bd0260 MS |
189 | struct bttv_vbi_fmt { |
190 | struct v4l2_vbi_format fmt; | |
191 | ||
192 | /* fmt.start[] and count[] refer to this video standard. */ | |
193 | const struct bttv_tvnorm *tvnorm; | |
194 | ||
195 | /* Earliest possible start of video capturing with this | |
196 | v4l2_vbi_format, in struct bttv_crop.rect units. */ | |
197 | __s32 end; | |
198 | }; | |
199 | ||
200 | /* bttv-vbi.c */ | |
4ef2ccc2 | 201 | void bttv_vbi_fmt_reset(struct bttv_vbi_fmt *f, unsigned int norm); |
e5bd0260 MS |
202 | |
203 | struct bttv_crop { | |
204 | /* A cropping rectangle in struct bttv_tvnorm.cropcap units. */ | |
205 | struct v4l2_rect rect; | |
206 | ||
207 | /* Scaled image size limits with this crop rect. Divide | |
208 | max_height, but not min_height, by two when capturing | |
209 | single fields. See also bttv_crop_reset() and | |
210 | bttv_crop_adjust() in bttv-driver.c. */ | |
211 | __s32 min_scaled_width; | |
212 | __s32 min_scaled_height; | |
213 | __s32 max_scaled_width; | |
214 | __s32 max_scaled_height; | |
215 | }; | |
216 | ||
1da177e4 | 217 | struct bttv_fh { |
ae50f0f8 HV |
218 | /* This must be the first field in this struct */ |
219 | struct v4l2_fh fh; | |
220 | ||
1da177e4 LT |
221 | struct bttv *btv; |
222 | int resources; | |
1da177e4 LT |
223 | enum v4l2_buf_type type; |
224 | ||
225 | /* video capture */ | |
226 | struct videobuf_queue cap; | |
227 | const struct bttv_format *fmt; | |
228 | int width; | |
229 | int height; | |
230 | ||
e5bd0260 | 231 | /* video overlay */ |
1da177e4 LT |
232 | const struct bttv_format *ovfmt; |
233 | struct bttv_overlay ov; | |
234 | ||
b714fb00 | 235 | /* Application called VIDIOC_S_SELECTION. */ |
e5bd0260 MS |
236 | int do_crop; |
237 | ||
238 | /* vbi capture */ | |
1da177e4 | 239 | struct videobuf_queue vbi; |
e5bd0260 MS |
240 | /* Current VBI capture window as seen through this fh (cannot |
241 | be global for compatibility with earlier drivers). Protected | |
242 | by struct bttv.lock and struct bttv_fh.vbi.lock. */ | |
243 | struct bttv_vbi_fmt vbi_fmt; | |
1da177e4 LT |
244 | }; |
245 | ||
246 | /* ---------------------------------------------------------- */ | |
247 | /* bttv-risc.c */ | |
248 | ||
249 | /* risc code generators - capture */ | |
250 | int bttv_risc_packed(struct bttv *btv, struct btcx_riscmem *risc, | |
251 | struct scatterlist *sglist, | |
252 | unsigned int offset, unsigned int bpl, | |
e5bd0260 MS |
253 | unsigned int pitch, unsigned int skip_lines, |
254 | unsigned int store_lines); | |
1da177e4 LT |
255 | |
256 | /* control dma register + risc main loop */ | |
257 | void bttv_set_dma(struct bttv *btv, int override); | |
258 | int bttv_risc_init_main(struct bttv *btv); | |
259 | int bttv_risc_hook(struct bttv *btv, int slot, struct btcx_riscmem *risc, | |
260 | int irqflags); | |
261 | ||
262 | /* capture buffer handling */ | |
263 | int bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf); | |
264 | int bttv_buffer_activate_video(struct bttv *btv, | |
265 | struct bttv_buffer_set *set); | |
266 | int bttv_buffer_activate_vbi(struct bttv *btv, | |
267 | struct bttv_buffer *vbi); | |
c7b0ac05 MCC |
268 | void bttv_dma_free(struct videobuf_queue *q, struct bttv *btv, |
269 | struct bttv_buffer *buf); | |
1da177e4 LT |
270 | |
271 | /* overlay handling */ | |
272 | int bttv_overlay_risc(struct bttv *btv, struct bttv_overlay *ov, | |
273 | const struct bttv_format *fmt, | |
274 | struct bttv_buffer *buf); | |
275 | ||
276 | ||
277 | /* ---------------------------------------------------------- */ | |
278 | /* bttv-vbi.c */ | |
279 | ||
78b526a4 HV |
280 | int bttv_try_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f); |
281 | int bttv_g_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f); | |
282 | int bttv_s_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f); | |
1da177e4 LT |
283 | |
284 | extern struct videobuf_queue_ops bttv_vbi_qops; | |
285 | ||
286 | /* ---------------------------------------------------------- */ | |
287 | /* bttv-gpio.c */ | |
288 | ||
1da177e4 LT |
289 | extern struct bus_type bttv_sub_bus_type; |
290 | int bttv_sub_add_device(struct bttv_core *core, char *name); | |
291 | int bttv_sub_del_devices(struct bttv_core *core); | |
1da177e4 | 292 | |
c6eb8eaf HV |
293 | /* ---------------------------------------------------------- */ |
294 | /* bttv-cards.c */ | |
295 | ||
296 | extern int no_overlay; | |
297 | ||
c0c46826 MCC |
298 | /* ---------------------------------------------------------- */ |
299 | /* bttv-input.c */ | |
300 | ||
301 | extern void init_bttv_i2c_ir(struct bttv *btv); | |
457ba4ce FS |
302 | |
303 | /* ---------------------------------------------------------- */ | |
304 | /* bttv-i2c.c */ | |
305 | extern int init_bttv_i2c(struct bttv *btv); | |
c0c46826 MCC |
306 | extern int fini_bttv_i2c(struct bttv *btv); |
307 | ||
1da177e4 LT |
308 | /* ---------------------------------------------------------- */ |
309 | /* bttv-driver.c */ | |
310 | ||
311 | /* insmod options */ | |
312 | extern unsigned int bttv_verbose; | |
313 | extern unsigned int bttv_debug; | |
314 | extern unsigned int bttv_gpio; | |
315 | extern void bttv_gpio_tracking(struct bttv *btv, char *comment); | |
1da177e4 | 316 | |
8af443e5 JP |
317 | #define dprintk(fmt, ...) \ |
318 | do { \ | |
319 | if (bttv_debug >= 1) \ | |
320 | pr_debug(fmt, ##__VA_ARGS__); \ | |
321 | } while (0) | |
322 | #define dprintk_cont(fmt, ...) \ | |
323 | do { \ | |
324 | if (bttv_debug >= 1) \ | |
325 | pr_cont(fmt, ##__VA_ARGS__); \ | |
326 | } while (0) | |
327 | #define d2printk(fmt, ...) \ | |
328 | do { \ | |
329 | if (bttv_debug >= 2) \ | |
330 | printk(fmt, ##__VA_ARGS__); \ | |
331 | } while (0) | |
1da177e4 | 332 | |
1da177e4 | 333 | #define BTTV_MAX_FBUF 0x208000 |
fe06fe0a MCC |
334 | #define BTTV_TIMEOUT msecs_to_jiffies(500) /* 0.5 seconds */ |
335 | #define BTTV_FREE_IDLE msecs_to_jiffies(1000) /* one second */ | |
1da177e4 LT |
336 | |
337 | ||
338 | struct bttv_pll_info { | |
339 | unsigned int pll_ifreq; /* PLL input frequency */ | |
340 | unsigned int pll_ofreq; /* PLL output frequency */ | |
341 | unsigned int pll_crystal; /* Crystal used for input */ | |
342 | unsigned int pll_current; /* Currently programmed ofreq */ | |
343 | }; | |
344 | ||
345 | /* for gpio-connected remote control */ | |
346 | struct bttv_input { | |
b7df3910 | 347 | struct input_dev *dev; |
1da177e4 LT |
348 | char name[32]; |
349 | char phys[32]; | |
350 | u32 mask_keycode; | |
351 | u32 mask_keydown; | |
352 | }; | |
353 | ||
354 | struct bttv_suspend_state { | |
355 | u32 gpio_enable; | |
356 | u32 gpio_data; | |
357 | int disabled; | |
358 | int loop_irq; | |
359 | struct bttv_buffer_set video; | |
360 | struct bttv_buffer *vbi; | |
361 | }; | |
362 | ||
1b500373 OZ |
363 | struct bttv_tea575x_gpio { |
364 | u8 data, clk, wren, most; | |
365 | }; | |
366 | ||
1da177e4 LT |
367 | struct bttv { |
368 | struct bttv_core c; | |
369 | ||
370 | /* pci device config */ | |
371 | unsigned short id; | |
372 | unsigned char revision; | |
373 | unsigned char __iomem *bt848_mmio; /* pointer to mmio */ | |
374 | ||
375 | /* card configuration info */ | |
376 | unsigned int cardid; /* pci subsystem id (bt878 based ones) */ | |
4ac97914 | 377 | unsigned int tuner_type; /* tuner chip type */ |
39e8f40d | 378 | unsigned int tda9887_conf; |
5221e21e | 379 | unsigned int svhs, dig; |
859f0277 | 380 | unsigned int has_saa6588:1; |
1da177e4 LT |
381 | struct bttv_pll_info pll; |
382 | int triton1; | |
383 | int gpioirq; | |
4abdfed5 | 384 | |
1da177e4 LT |
385 | int use_i2c_hw; |
386 | ||
387 | /* old gpio interface */ | |
1da177e4 | 388 | int shutdown; |
4b9b936f NS |
389 | |
390 | void (*volume_gpio)(struct bttv *btv, __u16 volume); | |
391 | void (*audio_mode_gpio)(struct bttv *btv, struct v4l2_tuner *tuner, int set); | |
392 | ||
1da177e4 LT |
393 | /* new gpio interface */ |
394 | spinlock_t gpio_lock; | |
395 | ||
396 | /* i2c layer */ | |
397 | struct i2c_algo_bit_data i2c_algo; | |
398 | struct i2c_client i2c_client; | |
399 | int i2c_state, i2c_rc; | |
400 | int i2c_done; | |
401 | wait_queue_head_t i2c_queue; | |
859f0277 HV |
402 | struct v4l2_subdev *sd_msp34xx; |
403 | struct v4l2_subdev *sd_tvaudio; | |
01df530c | 404 | struct v4l2_subdev *sd_tda7432; |
1da177e4 LT |
405 | |
406 | /* video4linux (1) */ | |
23fb4c5e HV |
407 | struct video_device video_dev; |
408 | struct video_device radio_dev; | |
409 | struct video_device vbi_dev; | |
1da177e4 | 410 | |
01df530c HV |
411 | /* controls */ |
412 | struct v4l2_ctrl_handler ctrl_handler; | |
413 | struct v4l2_ctrl_handler radio_ctrl_handler; | |
414 | ||
1da177e4 LT |
415 | /* infrared remote */ |
416 | int has_remote; | |
edb4c25c | 417 | struct bttv_ir *remote; |
1da177e4 | 418 | |
c0c46826 MCC |
419 | /* I2C remote data */ |
420 | struct IR_i2c_init_data init_data; | |
421 | ||
1da177e4 LT |
422 | /* locking */ |
423 | spinlock_t s_lock; | |
bd5f0ac9 | 424 | struct mutex lock; |
1da177e4 | 425 | int resources; |
1da177e4 LT |
426 | |
427 | /* video state */ | |
428 | unsigned int input; | |
2166f0a9 | 429 | unsigned int audio_input; |
8bf2f8e7 | 430 | unsigned int mute; |
76ea992a | 431 | unsigned long tv_freq; |
4ef2ccc2 | 432 | unsigned int tvnorm; |
6795cc55 | 433 | v4l2_std_id std; |
4ef2ccc2 | 434 | int hue, contrast, bright, saturation; |
1da177e4 LT |
435 | struct v4l2_framebuffer fbuf; |
436 | unsigned int field_count; | |
437 | ||
438 | /* various options */ | |
439 | int opt_combfilter; | |
1da177e4 | 440 | int opt_automute; |
1da177e4 | 441 | int opt_vcr_hack; |
060d3027 | 442 | int opt_uv_ratio; |
1da177e4 LT |
443 | |
444 | /* radio data/state */ | |
445 | int has_radio; | |
b8e2a361 | 446 | int has_radio_tuner; |
1da177e4 | 447 | int radio_user; |
7025e521 | 448 | int radio_uses_msp_demodulator; |
76ea992a | 449 | unsigned long radio_freq; |
1da177e4 LT |
450 | |
451 | /* miro/pinnacle + Aimslab VHX | |
452 | philips matchbox (tea5757 radio tuner) support */ | |
1b500373 OZ |
453 | int has_tea575x; |
454 | struct bttv_tea575x_gpio tea_gpio; | |
455 | struct snd_tea575x tea; | |
1da177e4 LT |
456 | |
457 | /* ISA stuff (Terratec Active Radio Upgrade) */ | |
458 | int mbox_ior; | |
459 | int mbox_iow; | |
460 | int mbox_csel; | |
461 | ||
cd2e34ea OZ |
462 | /* switch status for multi-controller cards */ |
463 | char sw_status[4]; | |
464 | ||
1da177e4 | 465 | /* risc memory management data |
0418726b | 466 | - must acquire s_lock before changing these |
1da177e4 LT |
467 | - only the irq handler is supported to touch top + bottom + vcurr */ |
468 | struct btcx_riscmem main; | |
469 | struct bttv_buffer *screen; /* overlay */ | |
470 | struct list_head capture; /* video capture queue */ | |
471 | struct list_head vcapture; /* vbi capture queue */ | |
472 | struct bttv_buffer_set curr; /* active buffers */ | |
473 | struct bttv_buffer *cvbi; /* active vbi buffer */ | |
474 | int loop_irq; | |
475 | int new_input; | |
476 | ||
477 | unsigned long cap_ctl; | |
478 | unsigned long dma_on; | |
479 | struct timer_list timeout; | |
480 | struct bttv_suspend_state state; | |
481 | ||
482 | /* stats */ | |
483 | unsigned int errors; | |
484 | unsigned int framedrop; | |
485 | unsigned int irq_total; | |
486 | unsigned int irq_me; | |
487 | ||
488 | unsigned int users; | |
489 | struct bttv_fh init; | |
e5bd0260 | 490 | |
f992a497 JW |
491 | /* used to make dvb-bt8xx autoloadable */ |
492 | struct work_struct request_module_wk; | |
493 | ||
e5bd0260 MS |
494 | /* Default (0) and current (1) video capturing and overlay |
495 | cropping parameters in bttv_tvnorm.cropcap units. Protected | |
496 | by bttv.lock. */ | |
497 | struct bttv_crop crop[2]; | |
498 | ||
499 | /* Earliest possible start of video capturing in | |
500 | bttv_tvnorm.cropcap line units. Set by check_alloc_btres() | |
501 | and free_btres(). Protected by bttv.lock. */ | |
502 | __s32 vbi_end; | |
503 | ||
504 | /* Latest possible end of VBI capturing (= crop[x].rect.top when | |
505 | VIDEO_RESOURCES are locked). Set by check_alloc_btres() | |
506 | and free_btres(). Protected by bttv.lock. */ | |
507 | __s32 crop_start; | |
1da177e4 | 508 | }; |
2d03e289 | 509 | |
74fc7bd9 HV |
510 | static inline struct bttv *to_bttv(struct v4l2_device *v4l2_dev) |
511 | { | |
512 | return container_of(v4l2_dev, struct bttv, c.v4l2_dev); | |
513 | } | |
514 | ||
2d03e289 | 515 | /* our devices */ |
2499abe7 | 516 | #define BTTV_MAX 32 |
2d03e289 | 517 | extern unsigned int bttv_num; |
4b10d3b6 | 518 | extern struct bttv *bttvs[BTTV_MAX]; |
1da177e4 | 519 | |
6f98700a TP |
520 | static inline unsigned int bttv_muxsel(const struct bttv *btv, |
521 | unsigned int input) | |
522 | { | |
523 | return (bttv_tvcards[btv->c.type].muxsel >> (input * 2)) & 3; | |
524 | } | |
525 | ||
1da177e4 LT |
526 | #endif |
527 | ||
528 | #define btwrite(dat,adr) writel((dat), btv->bt848_mmio+(adr)) | |
529 | #define btread(adr) readl(btv->bt848_mmio+(adr)) | |
530 | ||
531 | #define btand(dat,adr) btwrite((dat) & btread(adr), adr) | |
532 | #define btor(dat,adr) btwrite((dat) | btread(adr), adr) | |
533 | #define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr) | |
534 | ||
535 | #endif /* _BTTVP_H_ */ |