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Commit | Line | Data |
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1da177e4 | 1 | /* |
1da177e4 LT |
2 | |
3 | bttv - Bt848 frame grabber driver | |
4 | ||
5 | Copyright (C) 1996,97,98 Ralph Metzler <rjkm@thp.uni-koeln.de> | |
4ac97914 | 6 | & Marcus Metzler <mocm@thp.uni-koeln.de> |
1da177e4 LT |
7 | (c) 1999-2002 Gerd Knorr <kraxel@bytesex.org> |
8 | ||
9 | some v4l2 code lines are taken from Justin's bttv2 driver which is | |
10 | (c) 2000 Justin Schoeman <justin@suntiger.ee.up.ac.za> | |
11 | ||
12 | This program is free software; you can redistribute it and/or modify | |
13 | it under the terms of the GNU General Public License as published by | |
14 | the Free Software Foundation; either version 2 of the License, or | |
15 | (at your option) any later version. | |
16 | ||
17 | This program is distributed in the hope that it will be useful, | |
18 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | GNU General Public License for more details. | |
21 | ||
22 | You should have received a copy of the GNU General Public License | |
23 | along with this program; if not, write to the Free Software | |
24 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
25 | */ | |
26 | ||
27 | #include <linux/init.h> | |
28 | #include <linux/module.h> | |
29 | #include <linux/moduleparam.h> | |
30 | #include <linux/delay.h> | |
31 | #include <linux/errno.h> | |
32 | #include <linux/fs.h> | |
33 | #include <linux/kernel.h> | |
34 | #include <linux/sched.h> | |
35 | #include <linux/interrupt.h> | |
36 | #include <linux/kdev_t.h> | |
b5b8ab8d | 37 | #include "bttvp.h" |
5e453dc7 | 38 | #include <media/v4l2-common.h> |
8bf2f8e7 | 39 | #include <media/tvaudio.h> |
2474ed44 | 40 | #include <media/msp3400.h> |
b5b8ab8d | 41 | |
fa9846a8 | 42 | #include <linux/dma-mapping.h> |
1da177e4 LT |
43 | |
44 | #include <asm/io.h> | |
45 | #include <asm/byteorder.h> | |
46 | ||
fa3fcceb | 47 | #include <media/rds.h> |
24a70fdc MCC |
48 | |
49 | ||
1da177e4 LT |
50 | unsigned int bttv_num; /* number of Bt848s in use */ |
51 | struct bttv bttvs[BTTV_MAX]; | |
52 | ||
a5ed425c | 53 | unsigned int bttv_debug; |
1da177e4 | 54 | unsigned int bttv_verbose = 1; |
a5ed425c | 55 | unsigned int bttv_gpio; |
1da177e4 LT |
56 | |
57 | /* config variables */ | |
58 | #ifdef __BIG_ENDIAN | |
59 | static unsigned int bigendian=1; | |
60 | #else | |
a5ed425c | 61 | static unsigned int bigendian; |
1da177e4 LT |
62 | #endif |
63 | static unsigned int radio[BTTV_MAX]; | |
a5ed425c | 64 | static unsigned int irq_debug; |
1da177e4 LT |
65 | static unsigned int gbuffers = 8; |
66 | static unsigned int gbufsize = 0x208000; | |
67 | ||
68 | static int video_nr = -1; | |
69 | static int radio_nr = -1; | |
70 | static int vbi_nr = -1; | |
a5ed425c | 71 | static int debug_latency; |
1da177e4 | 72 | |
a5ed425c | 73 | static unsigned int fdsr; |
1da177e4 LT |
74 | |
75 | /* options */ | |
a5ed425c MCC |
76 | static unsigned int combfilter; |
77 | static unsigned int lumafilter; | |
1da177e4 | 78 | static unsigned int automute = 1; |
a5ed425c | 79 | static unsigned int chroma_agc; |
1da177e4 LT |
80 | static unsigned int adc_crush = 1; |
81 | static unsigned int whitecrush_upper = 0xCF; | |
82 | static unsigned int whitecrush_lower = 0x7F; | |
a5ed425c MCC |
83 | static unsigned int vcr_hack; |
84 | static unsigned int irq_iswitch; | |
060d3027 | 85 | static unsigned int uv_ratio = 50; |
a5ed425c MCC |
86 | static unsigned int full_luma_range; |
87 | static unsigned int coring; | |
4dcef524 | 88 | extern int no_overlay; |
1da177e4 LT |
89 | |
90 | /* API features (turn on/off stuff for testing) */ | |
91 | static unsigned int v4l2 = 1; | |
92 | ||
1da177e4 LT |
93 | /* insmod args */ |
94 | module_param(bttv_verbose, int, 0644); | |
95 | module_param(bttv_gpio, int, 0644); | |
96 | module_param(bttv_debug, int, 0644); | |
97 | module_param(irq_debug, int, 0644); | |
98 | module_param(debug_latency, int, 0644); | |
99 | ||
100 | module_param(fdsr, int, 0444); | |
101 | module_param(video_nr, int, 0444); | |
102 | module_param(radio_nr, int, 0444); | |
103 | module_param(vbi_nr, int, 0444); | |
104 | module_param(gbuffers, int, 0444); | |
105 | module_param(gbufsize, int, 0444); | |
106 | ||
107 | module_param(v4l2, int, 0644); | |
108 | module_param(bigendian, int, 0644); | |
109 | module_param(irq_iswitch, int, 0644); | |
110 | module_param(combfilter, int, 0444); | |
111 | module_param(lumafilter, int, 0444); | |
112 | module_param(automute, int, 0444); | |
113 | module_param(chroma_agc, int, 0444); | |
114 | module_param(adc_crush, int, 0444); | |
115 | module_param(whitecrush_upper, int, 0444); | |
116 | module_param(whitecrush_lower, int, 0444); | |
117 | module_param(vcr_hack, int, 0444); | |
060d3027 MCC |
118 | module_param(uv_ratio, int, 0444); |
119 | module_param(full_luma_range, int, 0444); | |
120 | module_param(coring, int, 0444); | |
1da177e4 LT |
121 | |
122 | module_param_array(radio, int, NULL, 0444); | |
123 | ||
124 | MODULE_PARM_DESC(radio,"The TV card supports radio, default is 0 (no)"); | |
125 | MODULE_PARM_DESC(bigendian,"byte order of the framebuffer, default is native endian"); | |
126 | MODULE_PARM_DESC(bttv_verbose,"verbose startup messages, default is 1 (yes)"); | |
127 | MODULE_PARM_DESC(bttv_gpio,"log gpio changes, default is 0 (no)"); | |
128 | MODULE_PARM_DESC(bttv_debug,"debug messages, default is 0 (no)"); | |
129 | MODULE_PARM_DESC(irq_debug,"irq handler debug messages, default is 0 (no)"); | |
130 | MODULE_PARM_DESC(gbuffers,"number of capture buffers. range 2-32, default 8"); | |
131 | MODULE_PARM_DESC(gbufsize,"size of the capture buffers, default is 0x208000"); | |
132 | MODULE_PARM_DESC(automute,"mute audio on bad/missing video signal, default is 1 (yes)"); | |
133 | MODULE_PARM_DESC(chroma_agc,"enables the AGC of chroma signal, default is 0 (no)"); | |
134 | MODULE_PARM_DESC(adc_crush,"enables the luminance ADC crush, default is 1 (yes)"); | |
135 | MODULE_PARM_DESC(whitecrush_upper,"sets the white crush upper value, default is 207"); | |
136 | MODULE_PARM_DESC(whitecrush_lower,"sets the white crush lower value, default is 127"); | |
137 | MODULE_PARM_DESC(vcr_hack,"enables the VCR hack (improves synch on poor VCR tapes), default is 0 (no)"); | |
138 | MODULE_PARM_DESC(irq_iswitch,"switch inputs in irq handler"); | |
060d3027 MCC |
139 | MODULE_PARM_DESC(uv_ratio,"ratio between u and v gains, default is 50"); |
140 | MODULE_PARM_DESC(full_luma_range,"use the full luma range, default is 0 (no)"); | |
141 | MODULE_PARM_DESC(coring,"set the luma coring level, default is 0 (no)"); | |
1da177e4 LT |
142 | |
143 | MODULE_DESCRIPTION("bttv - v4l/v4l2 driver module for bt848/878 based cards"); | |
144 | MODULE_AUTHOR("Ralph Metzler & Marcus Metzler & Gerd Knorr"); | |
145 | MODULE_LICENSE("GPL"); | |
146 | ||
147 | /* ----------------------------------------------------------------------- */ | |
148 | /* sysfs */ | |
149 | ||
150 | static ssize_t show_card(struct class_device *cd, char *buf) | |
151 | { | |
152 | struct video_device *vfd = to_video_device(cd); | |
153 | struct bttv *btv = dev_get_drvdata(vfd->dev); | |
154 | return sprintf(buf, "%d\n", btv ? btv->c.type : UNSET); | |
155 | } | |
156 | static CLASS_DEVICE_ATTR(card, S_IRUGO, show_card, NULL); | |
157 | ||
158 | /* ----------------------------------------------------------------------- */ | |
159 | /* static data */ | |
160 | ||
161 | /* special timing tables from conexant... */ | |
162 | static u8 SRAM_Table[][60] = | |
163 | { | |
164 | /* PAL digital input over GPIO[7:0] */ | |
165 | { | |
166 | 45, // 45 bytes following | |
167 | 0x36,0x11,0x01,0x00,0x90,0x02,0x05,0x10,0x04,0x16, | |
168 | 0x12,0x05,0x11,0x00,0x04,0x12,0xC0,0x00,0x31,0x00, | |
169 | 0x06,0x51,0x08,0x03,0x89,0x08,0x07,0xC0,0x44,0x00, | |
170 | 0x81,0x01,0x01,0xA9,0x0D,0x02,0x02,0x50,0x03,0x37, | |
171 | 0x37,0x00,0xAF,0x21,0x00 | |
172 | }, | |
173 | /* NTSC digital input over GPIO[7:0] */ | |
174 | { | |
175 | 51, // 51 bytes following | |
176 | 0x0C,0xC0,0x00,0x00,0x90,0x02,0x03,0x10,0x03,0x06, | |
177 | 0x10,0x04,0x12,0x12,0x05,0x02,0x13,0x04,0x19,0x00, | |
178 | 0x04,0x39,0x00,0x06,0x59,0x08,0x03,0x83,0x08,0x07, | |
179 | 0x03,0x50,0x00,0xC0,0x40,0x00,0x86,0x01,0x01,0xA6, | |
180 | 0x0D,0x02,0x03,0x11,0x01,0x05,0x37,0x00,0xAC,0x21, | |
181 | 0x00, | |
182 | }, | |
183 | // TGB_NTSC392 // quartzsight | |
184 | // This table has been modified to be used for Fusion Rev D | |
185 | { | |
186 | 0x2A, // size of table = 42 | |
187 | 0x06, 0x08, 0x04, 0x0a, 0xc0, 0x00, 0x18, 0x08, 0x03, 0x24, | |
188 | 0x08, 0x07, 0x02, 0x90, 0x02, 0x08, 0x10, 0x04, 0x0c, 0x10, | |
189 | 0x05, 0x2c, 0x11, 0x04, 0x55, 0x48, 0x00, 0x05, 0x50, 0x00, | |
190 | 0xbf, 0x0c, 0x02, 0x2f, 0x3d, 0x00, 0x2f, 0x3f, 0x00, 0xc3, | |
191 | 0x20, 0x00 | |
192 | } | |
193 | }; | |
194 | ||
195 | const struct bttv_tvnorm bttv_tvnorms[] = { | |
196 | /* PAL-BDGHI */ | |
4ac97914 MCC |
197 | /* max. active video is actually 922, but 924 is divisible by 4 and 3! */ |
198 | /* actually, max active PAL with HSCALE=0 is 948, NTSC is 768 - nil */ | |
1da177e4 LT |
199 | { |
200 | .v4l2_id = V4L2_STD_PAL, | |
201 | .name = "PAL", | |
202 | .Fsc = 35468950, | |
203 | .swidth = 924, | |
204 | .sheight = 576, | |
205 | .totalwidth = 1135, | |
206 | .adelay = 0x7f, | |
207 | .bdelay = 0x72, | |
208 | .iform = (BT848_IFORM_PAL_BDGHI|BT848_IFORM_XT1), | |
209 | .scaledtwidth = 1135, | |
210 | .hdelayx1 = 186, | |
211 | .hactivex1 = 924, | |
212 | .vdelay = 0x20, | |
213 | .vbipack = 255, | |
214 | .sram = 0, | |
67f1570a MS |
215 | /* ITU-R frame line number of the first VBI line |
216 | we can capture, of the first and second field. */ | |
217 | .vbistart = { 7,320 }, | |
1da177e4 | 218 | },{ |
d97a11e0 | 219 | .v4l2_id = V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_KR, |
1da177e4 LT |
220 | .name = "NTSC", |
221 | .Fsc = 28636363, | |
222 | .swidth = 768, | |
223 | .sheight = 480, | |
224 | .totalwidth = 910, | |
225 | .adelay = 0x68, | |
226 | .bdelay = 0x5d, | |
227 | .iform = (BT848_IFORM_NTSC|BT848_IFORM_XT0), | |
228 | .scaledtwidth = 910, | |
229 | .hdelayx1 = 128, | |
230 | .hactivex1 = 910, | |
231 | .vdelay = 0x1a, | |
232 | .vbipack = 144, | |
233 | .sram = 1, | |
67f1570a | 234 | .vbistart = { 10, 273 }, |
1da177e4 LT |
235 | },{ |
236 | .v4l2_id = V4L2_STD_SECAM, | |
237 | .name = "SECAM", | |
238 | .Fsc = 35468950, | |
239 | .swidth = 924, | |
240 | .sheight = 576, | |
241 | .totalwidth = 1135, | |
242 | .adelay = 0x7f, | |
243 | .bdelay = 0xb0, | |
244 | .iform = (BT848_IFORM_SECAM|BT848_IFORM_XT1), | |
245 | .scaledtwidth = 1135, | |
246 | .hdelayx1 = 186, | |
247 | .hactivex1 = 922, | |
248 | .vdelay = 0x20, | |
249 | .vbipack = 255, | |
250 | .sram = 0, /* like PAL, correct? */ | |
67f1570a | 251 | .vbistart = { 7, 320 }, |
1da177e4 LT |
252 | },{ |
253 | .v4l2_id = V4L2_STD_PAL_Nc, | |
254 | .name = "PAL-Nc", | |
255 | .Fsc = 28636363, | |
256 | .swidth = 640, | |
257 | .sheight = 576, | |
258 | .totalwidth = 910, | |
259 | .adelay = 0x68, | |
260 | .bdelay = 0x5d, | |
261 | .iform = (BT848_IFORM_PAL_NC|BT848_IFORM_XT0), | |
262 | .scaledtwidth = 780, | |
263 | .hdelayx1 = 130, | |
264 | .hactivex1 = 734, | |
265 | .vdelay = 0x1a, | |
266 | .vbipack = 144, | |
267 | .sram = -1, | |
67f1570a | 268 | .vbistart = { 7, 320 }, |
1da177e4 LT |
269 | },{ |
270 | .v4l2_id = V4L2_STD_PAL_M, | |
271 | .name = "PAL-M", | |
272 | .Fsc = 28636363, | |
273 | .swidth = 640, | |
274 | .sheight = 480, | |
275 | .totalwidth = 910, | |
276 | .adelay = 0x68, | |
277 | .bdelay = 0x5d, | |
278 | .iform = (BT848_IFORM_PAL_M|BT848_IFORM_XT0), | |
279 | .scaledtwidth = 780, | |
280 | .hdelayx1 = 135, | |
281 | .hactivex1 = 754, | |
282 | .vdelay = 0x1a, | |
283 | .vbipack = 144, | |
284 | .sram = -1, | |
67f1570a | 285 | .vbistart = { 10, 273 }, |
1da177e4 LT |
286 | },{ |
287 | .v4l2_id = V4L2_STD_PAL_N, | |
288 | .name = "PAL-N", | |
289 | .Fsc = 35468950, | |
290 | .swidth = 768, | |
291 | .sheight = 576, | |
292 | .totalwidth = 1135, | |
293 | .adelay = 0x7f, | |
294 | .bdelay = 0x72, | |
295 | .iform = (BT848_IFORM_PAL_N|BT848_IFORM_XT1), | |
296 | .scaledtwidth = 944, | |
297 | .hdelayx1 = 186, | |
298 | .hactivex1 = 922, | |
299 | .vdelay = 0x20, | |
300 | .vbipack = 144, | |
301 | .sram = -1, | |
67f1570a | 302 | .vbistart = { 7, 320}, |
1da177e4 LT |
303 | },{ |
304 | .v4l2_id = V4L2_STD_NTSC_M_JP, | |
305 | .name = "NTSC-JP", | |
306 | .Fsc = 28636363, | |
307 | .swidth = 640, | |
308 | .sheight = 480, | |
309 | .totalwidth = 910, | |
310 | .adelay = 0x68, | |
311 | .bdelay = 0x5d, | |
312 | .iform = (BT848_IFORM_NTSC_J|BT848_IFORM_XT0), | |
313 | .scaledtwidth = 780, | |
314 | .hdelayx1 = 135, | |
315 | .hactivex1 = 754, | |
316 | .vdelay = 0x16, | |
317 | .vbipack = 144, | |
318 | .sram = -1, | |
67f1570a | 319 | .vbistart = {10, 273}, |
1da177e4 LT |
320 | },{ |
321 | /* that one hopefully works with the strange timing | |
322 | * which video recorders produce when playing a NTSC | |
323 | * tape on a PAL TV ... */ | |
324 | .v4l2_id = V4L2_STD_PAL_60, | |
325 | .name = "PAL-60", | |
326 | .Fsc = 35468950, | |
327 | .swidth = 924, | |
328 | .sheight = 480, | |
329 | .totalwidth = 1135, | |
330 | .adelay = 0x7f, | |
331 | .bdelay = 0x72, | |
332 | .iform = (BT848_IFORM_PAL_BDGHI|BT848_IFORM_XT1), | |
333 | .scaledtwidth = 1135, | |
334 | .hdelayx1 = 186, | |
335 | .hactivex1 = 924, | |
336 | .vdelay = 0x1a, | |
337 | .vbipack = 255, | |
338 | .vtotal = 524, | |
339 | .sram = -1, | |
67f1570a | 340 | .vbistart = { 10, 273 }, |
1da177e4 LT |
341 | } |
342 | }; | |
343 | static const unsigned int BTTV_TVNORMS = ARRAY_SIZE(bttv_tvnorms); | |
344 | ||
345 | /* ----------------------------------------------------------------------- */ | |
346 | /* bttv format list | |
347 | packed pixel formats must come first */ | |
348 | static const struct bttv_format bttv_formats[] = { | |
349 | { | |
350 | .name = "8 bpp, gray", | |
351 | .palette = VIDEO_PALETTE_GREY, | |
352 | .fourcc = V4L2_PIX_FMT_GREY, | |
353 | .btformat = BT848_COLOR_FMT_Y8, | |
354 | .depth = 8, | |
355 | .flags = FORMAT_FLAGS_PACKED, | |
356 | },{ | |
357 | .name = "8 bpp, dithered color", | |
358 | .palette = VIDEO_PALETTE_HI240, | |
359 | .fourcc = V4L2_PIX_FMT_HI240, | |
360 | .btformat = BT848_COLOR_FMT_RGB8, | |
361 | .depth = 8, | |
362 | .flags = FORMAT_FLAGS_PACKED | FORMAT_FLAGS_DITHER, | |
363 | },{ | |
364 | .name = "15 bpp RGB, le", | |
365 | .palette = VIDEO_PALETTE_RGB555, | |
366 | .fourcc = V4L2_PIX_FMT_RGB555, | |
367 | .btformat = BT848_COLOR_FMT_RGB15, | |
368 | .depth = 16, | |
369 | .flags = FORMAT_FLAGS_PACKED, | |
370 | },{ | |
371 | .name = "15 bpp RGB, be", | |
372 | .palette = -1, | |
373 | .fourcc = V4L2_PIX_FMT_RGB555X, | |
374 | .btformat = BT848_COLOR_FMT_RGB15, | |
375 | .btswap = 0x03, /* byteswap */ | |
376 | .depth = 16, | |
377 | .flags = FORMAT_FLAGS_PACKED, | |
378 | },{ | |
379 | .name = "16 bpp RGB, le", | |
380 | .palette = VIDEO_PALETTE_RGB565, | |
381 | .fourcc = V4L2_PIX_FMT_RGB565, | |
382 | .btformat = BT848_COLOR_FMT_RGB16, | |
383 | .depth = 16, | |
384 | .flags = FORMAT_FLAGS_PACKED, | |
385 | },{ | |
386 | .name = "16 bpp RGB, be", | |
387 | .palette = -1, | |
388 | .fourcc = V4L2_PIX_FMT_RGB565X, | |
389 | .btformat = BT848_COLOR_FMT_RGB16, | |
390 | .btswap = 0x03, /* byteswap */ | |
391 | .depth = 16, | |
392 | .flags = FORMAT_FLAGS_PACKED, | |
393 | },{ | |
394 | .name = "24 bpp RGB, le", | |
395 | .palette = VIDEO_PALETTE_RGB24, | |
396 | .fourcc = V4L2_PIX_FMT_BGR24, | |
397 | .btformat = BT848_COLOR_FMT_RGB24, | |
398 | .depth = 24, | |
399 | .flags = FORMAT_FLAGS_PACKED, | |
400 | },{ | |
401 | .name = "32 bpp RGB, le", | |
402 | .palette = VIDEO_PALETTE_RGB32, | |
403 | .fourcc = V4L2_PIX_FMT_BGR32, | |
404 | .btformat = BT848_COLOR_FMT_RGB32, | |
405 | .depth = 32, | |
406 | .flags = FORMAT_FLAGS_PACKED, | |
407 | },{ | |
408 | .name = "32 bpp RGB, be", | |
409 | .palette = -1, | |
410 | .fourcc = V4L2_PIX_FMT_RGB32, | |
411 | .btformat = BT848_COLOR_FMT_RGB32, | |
412 | .btswap = 0x0f, /* byte+word swap */ | |
413 | .depth = 32, | |
414 | .flags = FORMAT_FLAGS_PACKED, | |
415 | },{ | |
416 | .name = "4:2:2, packed, YUYV", | |
417 | .palette = VIDEO_PALETTE_YUV422, | |
418 | .fourcc = V4L2_PIX_FMT_YUYV, | |
419 | .btformat = BT848_COLOR_FMT_YUY2, | |
420 | .depth = 16, | |
421 | .flags = FORMAT_FLAGS_PACKED, | |
422 | },{ | |
423 | .name = "4:2:2, packed, YUYV", | |
424 | .palette = VIDEO_PALETTE_YUYV, | |
425 | .fourcc = V4L2_PIX_FMT_YUYV, | |
426 | .btformat = BT848_COLOR_FMT_YUY2, | |
427 | .depth = 16, | |
428 | .flags = FORMAT_FLAGS_PACKED, | |
429 | },{ | |
430 | .name = "4:2:2, packed, UYVY", | |
431 | .palette = VIDEO_PALETTE_UYVY, | |
432 | .fourcc = V4L2_PIX_FMT_UYVY, | |
433 | .btformat = BT848_COLOR_FMT_YUY2, | |
434 | .btswap = 0x03, /* byteswap */ | |
435 | .depth = 16, | |
436 | .flags = FORMAT_FLAGS_PACKED, | |
437 | },{ | |
438 | .name = "4:2:2, planar, Y-Cb-Cr", | |
439 | .palette = VIDEO_PALETTE_YUV422P, | |
440 | .fourcc = V4L2_PIX_FMT_YUV422P, | |
441 | .btformat = BT848_COLOR_FMT_YCrCb422, | |
442 | .depth = 16, | |
443 | .flags = FORMAT_FLAGS_PLANAR, | |
444 | .hshift = 1, | |
445 | .vshift = 0, | |
446 | },{ | |
447 | .name = "4:2:0, planar, Y-Cb-Cr", | |
448 | .palette = VIDEO_PALETTE_YUV420P, | |
449 | .fourcc = V4L2_PIX_FMT_YUV420, | |
450 | .btformat = BT848_COLOR_FMT_YCrCb422, | |
451 | .depth = 12, | |
452 | .flags = FORMAT_FLAGS_PLANAR, | |
453 | .hshift = 1, | |
454 | .vshift = 1, | |
455 | },{ | |
456 | .name = "4:2:0, planar, Y-Cr-Cb", | |
457 | .palette = -1, | |
458 | .fourcc = V4L2_PIX_FMT_YVU420, | |
459 | .btformat = BT848_COLOR_FMT_YCrCb422, | |
460 | .depth = 12, | |
461 | .flags = FORMAT_FLAGS_PLANAR | FORMAT_FLAGS_CrCb, | |
462 | .hshift = 1, | |
463 | .vshift = 1, | |
464 | },{ | |
465 | .name = "4:1:1, planar, Y-Cb-Cr", | |
466 | .palette = VIDEO_PALETTE_YUV411P, | |
467 | .fourcc = V4L2_PIX_FMT_YUV411P, | |
468 | .btformat = BT848_COLOR_FMT_YCrCb411, | |
469 | .depth = 12, | |
470 | .flags = FORMAT_FLAGS_PLANAR, | |
471 | .hshift = 2, | |
472 | .vshift = 0, | |
473 | },{ | |
474 | .name = "4:1:0, planar, Y-Cb-Cr", | |
475 | .palette = VIDEO_PALETTE_YUV410P, | |
476 | .fourcc = V4L2_PIX_FMT_YUV410, | |
477 | .btformat = BT848_COLOR_FMT_YCrCb411, | |
478 | .depth = 9, | |
479 | .flags = FORMAT_FLAGS_PLANAR, | |
480 | .hshift = 2, | |
481 | .vshift = 2, | |
482 | },{ | |
483 | .name = "4:1:0, planar, Y-Cr-Cb", | |
484 | .palette = -1, | |
485 | .fourcc = V4L2_PIX_FMT_YVU410, | |
486 | .btformat = BT848_COLOR_FMT_YCrCb411, | |
487 | .depth = 9, | |
488 | .flags = FORMAT_FLAGS_PLANAR | FORMAT_FLAGS_CrCb, | |
489 | .hshift = 2, | |
490 | .vshift = 2, | |
491 | },{ | |
492 | .name = "raw scanlines", | |
493 | .palette = VIDEO_PALETTE_RAW, | |
494 | .fourcc = -1, | |
495 | .btformat = BT848_COLOR_FMT_RAW, | |
496 | .depth = 8, | |
497 | .flags = FORMAT_FLAGS_RAW, | |
498 | } | |
499 | }; | |
500 | static const unsigned int BTTV_FORMATS = ARRAY_SIZE(bttv_formats); | |
501 | ||
502 | /* ----------------------------------------------------------------------- */ | |
503 | ||
504 | #define V4L2_CID_PRIVATE_CHROMA_AGC (V4L2_CID_PRIVATE_BASE + 0) | |
505 | #define V4L2_CID_PRIVATE_COMBFILTER (V4L2_CID_PRIVATE_BASE + 1) | |
506 | #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 2) | |
507 | #define V4L2_CID_PRIVATE_LUMAFILTER (V4L2_CID_PRIVATE_BASE + 3) | |
508 | #define V4L2_CID_PRIVATE_AGC_CRUSH (V4L2_CID_PRIVATE_BASE + 4) | |
509 | #define V4L2_CID_PRIVATE_VCR_HACK (V4L2_CID_PRIVATE_BASE + 5) | |
510 | #define V4L2_CID_PRIVATE_WHITECRUSH_UPPER (V4L2_CID_PRIVATE_BASE + 6) | |
511 | #define V4L2_CID_PRIVATE_WHITECRUSH_LOWER (V4L2_CID_PRIVATE_BASE + 7) | |
060d3027 MCC |
512 | #define V4L2_CID_PRIVATE_UV_RATIO (V4L2_CID_PRIVATE_BASE + 8) |
513 | #define V4L2_CID_PRIVATE_FULL_LUMA_RANGE (V4L2_CID_PRIVATE_BASE + 9) | |
514 | #define V4L2_CID_PRIVATE_CORING (V4L2_CID_PRIVATE_BASE + 10) | |
515 | #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 11) | |
1da177e4 LT |
516 | |
517 | static const struct v4l2_queryctrl no_ctl = { | |
518 | .name = "42", | |
519 | .flags = V4L2_CTRL_FLAG_DISABLED, | |
520 | }; | |
521 | static const struct v4l2_queryctrl bttv_ctls[] = { | |
522 | /* --- video --- */ | |
523 | { | |
524 | .id = V4L2_CID_BRIGHTNESS, | |
525 | .name = "Brightness", | |
526 | .minimum = 0, | |
527 | .maximum = 65535, | |
528 | .step = 256, | |
529 | .default_value = 32768, | |
530 | .type = V4L2_CTRL_TYPE_INTEGER, | |
531 | },{ | |
532 | .id = V4L2_CID_CONTRAST, | |
533 | .name = "Contrast", | |
534 | .minimum = 0, | |
535 | .maximum = 65535, | |
536 | .step = 128, | |
537 | .default_value = 32768, | |
538 | .type = V4L2_CTRL_TYPE_INTEGER, | |
539 | },{ | |
540 | .id = V4L2_CID_SATURATION, | |
541 | .name = "Saturation", | |
542 | .minimum = 0, | |
543 | .maximum = 65535, | |
544 | .step = 128, | |
545 | .default_value = 32768, | |
546 | .type = V4L2_CTRL_TYPE_INTEGER, | |
547 | },{ | |
548 | .id = V4L2_CID_HUE, | |
549 | .name = "Hue", | |
550 | .minimum = 0, | |
551 | .maximum = 65535, | |
552 | .step = 256, | |
553 | .default_value = 32768, | |
554 | .type = V4L2_CTRL_TYPE_INTEGER, | |
555 | }, | |
556 | /* --- audio --- */ | |
557 | { | |
558 | .id = V4L2_CID_AUDIO_MUTE, | |
559 | .name = "Mute", | |
560 | .minimum = 0, | |
561 | .maximum = 1, | |
562 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
563 | },{ | |
564 | .id = V4L2_CID_AUDIO_VOLUME, | |
565 | .name = "Volume", | |
566 | .minimum = 0, | |
567 | .maximum = 65535, | |
568 | .step = 65535/100, | |
569 | .default_value = 65535, | |
570 | .type = V4L2_CTRL_TYPE_INTEGER, | |
571 | },{ | |
572 | .id = V4L2_CID_AUDIO_BALANCE, | |
573 | .name = "Balance", | |
574 | .minimum = 0, | |
575 | .maximum = 65535, | |
576 | .step = 65535/100, | |
577 | .default_value = 32768, | |
578 | .type = V4L2_CTRL_TYPE_INTEGER, | |
579 | },{ | |
580 | .id = V4L2_CID_AUDIO_BASS, | |
581 | .name = "Bass", | |
582 | .minimum = 0, | |
583 | .maximum = 65535, | |
584 | .step = 65535/100, | |
585 | .default_value = 32768, | |
586 | .type = V4L2_CTRL_TYPE_INTEGER, | |
587 | },{ | |
588 | .id = V4L2_CID_AUDIO_TREBLE, | |
589 | .name = "Treble", | |
590 | .minimum = 0, | |
591 | .maximum = 65535, | |
592 | .step = 65535/100, | |
593 | .default_value = 32768, | |
594 | .type = V4L2_CTRL_TYPE_INTEGER, | |
595 | }, | |
596 | /* --- private --- */ | |
597 | { | |
598 | .id = V4L2_CID_PRIVATE_CHROMA_AGC, | |
599 | .name = "chroma agc", | |
600 | .minimum = 0, | |
601 | .maximum = 1, | |
602 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
603 | },{ | |
604 | .id = V4L2_CID_PRIVATE_COMBFILTER, | |
605 | .name = "combfilter", | |
606 | .minimum = 0, | |
607 | .maximum = 1, | |
608 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
609 | },{ | |
610 | .id = V4L2_CID_PRIVATE_AUTOMUTE, | |
611 | .name = "automute", | |
612 | .minimum = 0, | |
613 | .maximum = 1, | |
614 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
615 | },{ | |
616 | .id = V4L2_CID_PRIVATE_LUMAFILTER, | |
617 | .name = "luma decimation filter", | |
618 | .minimum = 0, | |
619 | .maximum = 1, | |
620 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
621 | },{ | |
622 | .id = V4L2_CID_PRIVATE_AGC_CRUSH, | |
623 | .name = "agc crush", | |
624 | .minimum = 0, | |
625 | .maximum = 1, | |
626 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
627 | },{ | |
628 | .id = V4L2_CID_PRIVATE_VCR_HACK, | |
629 | .name = "vcr hack", | |
630 | .minimum = 0, | |
631 | .maximum = 1, | |
632 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
633 | },{ | |
634 | .id = V4L2_CID_PRIVATE_WHITECRUSH_UPPER, | |
635 | .name = "whitecrush upper", | |
636 | .minimum = 0, | |
637 | .maximum = 255, | |
638 | .step = 1, | |
639 | .default_value = 0xCF, | |
640 | .type = V4L2_CTRL_TYPE_INTEGER, | |
641 | },{ | |
642 | .id = V4L2_CID_PRIVATE_WHITECRUSH_LOWER, | |
643 | .name = "whitecrush lower", | |
644 | .minimum = 0, | |
645 | .maximum = 255, | |
646 | .step = 1, | |
647 | .default_value = 0x7F, | |
648 | .type = V4L2_CTRL_TYPE_INTEGER, | |
060d3027 MCC |
649 | },{ |
650 | .id = V4L2_CID_PRIVATE_UV_RATIO, | |
651 | .name = "uv ratio", | |
652 | .minimum = 0, | |
653 | .maximum = 100, | |
654 | .step = 1, | |
655 | .default_value = 50, | |
656 | .type = V4L2_CTRL_TYPE_INTEGER, | |
657 | },{ | |
658 | .id = V4L2_CID_PRIVATE_FULL_LUMA_RANGE, | |
659 | .name = "full luma range", | |
660 | .minimum = 0, | |
661 | .maximum = 1, | |
662 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
663 | },{ | |
664 | .id = V4L2_CID_PRIVATE_CORING, | |
665 | .name = "coring", | |
666 | .minimum = 0, | |
667 | .maximum = 3, | |
668 | .step = 1, | |
669 | .default_value = 0, | |
670 | .type = V4L2_CTRL_TYPE_INTEGER, | |
1da177e4 LT |
671 | } |
672 | ||
060d3027 MCC |
673 | |
674 | ||
1da177e4 LT |
675 | }; |
676 | static const int BTTV_CTLS = ARRAY_SIZE(bttv_ctls); | |
677 | ||
678 | /* ----------------------------------------------------------------------- */ | |
679 | /* resource management */ | |
680 | ||
681 | static | |
682 | int check_alloc_btres(struct bttv *btv, struct bttv_fh *fh, int bit) | |
683 | { | |
684 | if (fh->resources & bit) | |
685 | /* have it already allocated */ | |
686 | return 1; | |
687 | ||
688 | /* is it free? */ | |
bd5f0ac9 | 689 | mutex_lock(&btv->reslock); |
1da177e4 LT |
690 | if (btv->resources & bit) { |
691 | /* no, someone else uses it */ | |
bd5f0ac9 | 692 | mutex_unlock(&btv->reslock); |
1da177e4 LT |
693 | return 0; |
694 | } | |
695 | /* it's free, grab it */ | |
696 | fh->resources |= bit; | |
697 | btv->resources |= bit; | |
bd5f0ac9 | 698 | mutex_unlock(&btv->reslock); |
1da177e4 LT |
699 | return 1; |
700 | } | |
701 | ||
702 | static | |
703 | int check_btres(struct bttv_fh *fh, int bit) | |
704 | { | |
705 | return (fh->resources & bit); | |
706 | } | |
707 | ||
708 | static | |
709 | int locked_btres(struct bttv *btv, int bit) | |
710 | { | |
711 | return (btv->resources & bit); | |
712 | } | |
713 | ||
714 | static | |
715 | void free_btres(struct bttv *btv, struct bttv_fh *fh, int bits) | |
716 | { | |
1da177e4 LT |
717 | if ((fh->resources & bits) != bits) { |
718 | /* trying to free ressources not allocated by us ... */ | |
719 | printk("bttv: BUG! (btres)\n"); | |
720 | } | |
bd5f0ac9 | 721 | mutex_lock(&btv->reslock); |
1da177e4 LT |
722 | fh->resources &= ~bits; |
723 | btv->resources &= ~bits; | |
bd5f0ac9 | 724 | mutex_unlock(&btv->reslock); |
1da177e4 LT |
725 | } |
726 | ||
727 | /* ----------------------------------------------------------------------- */ | |
728 | /* If Bt848a or Bt849, use PLL for PAL/SECAM and crystal for NTSC */ | |
729 | ||
730 | /* Frequency = (F_input / PLL_X) * PLL_I.PLL_F/PLL_C | |
731 | PLL_X = Reference pre-divider (0=1, 1=2) | |
732 | PLL_C = Post divider (0=6, 1=4) | |
733 | PLL_I = Integer input | |
734 | PLL_F = Fractional input | |
735 | ||
736 | F_input = 28.636363 MHz: | |
737 | PAL (CLKx2 = 35.46895 MHz): PLL_X = 1, PLL_I = 0x0E, PLL_F = 0xDCF9, PLL_C = 0 | |
738 | */ | |
739 | ||
740 | static void set_pll_freq(struct bttv *btv, unsigned int fin, unsigned int fout) | |
741 | { | |
afd1a0c9 | 742 | unsigned char fl, fh, fi; |
1da177e4 | 743 | |
afd1a0c9 MCC |
744 | /* prevent overflows */ |
745 | fin/=4; | |
746 | fout/=4; | |
1da177e4 | 747 | |
afd1a0c9 MCC |
748 | fout*=12; |
749 | fi=fout/fin; | |
1da177e4 | 750 | |
afd1a0c9 MCC |
751 | fout=(fout%fin)*256; |
752 | fh=fout/fin; | |
1da177e4 | 753 | |
afd1a0c9 MCC |
754 | fout=(fout%fin)*256; |
755 | fl=fout/fin; | |
1da177e4 | 756 | |
afd1a0c9 MCC |
757 | btwrite(fl, BT848_PLL_F_LO); |
758 | btwrite(fh, BT848_PLL_F_HI); | |
759 | btwrite(fi|BT848_PLL_X, BT848_PLL_XCI); | |
1da177e4 LT |
760 | } |
761 | ||
762 | static void set_pll(struct bttv *btv) | |
763 | { | |
afd1a0c9 | 764 | int i; |
1da177e4 | 765 | |
afd1a0c9 MCC |
766 | if (!btv->pll.pll_crystal) |
767 | return; | |
1da177e4 LT |
768 | |
769 | if (btv->pll.pll_ofreq == btv->pll.pll_current) { | |
770 | dprintk("bttv%d: PLL: no change required\n",btv->c.nr); | |
afd1a0c9 MCC |
771 | return; |
772 | } | |
1da177e4 | 773 | |
afd1a0c9 MCC |
774 | if (btv->pll.pll_ifreq == btv->pll.pll_ofreq) { |
775 | /* no PLL needed */ | |
776 | if (btv->pll.pll_current == 0) | |
674434c6 | 777 | return; |
e1e70a26 | 778 | bttv_printk(KERN_INFO "bttv%d: PLL can sleep, using XTAL (%d).\n", |
674434c6 | 779 | btv->c.nr,btv->pll.pll_ifreq); |
afd1a0c9 MCC |
780 | btwrite(0x00,BT848_TGCTRL); |
781 | btwrite(0x00,BT848_PLL_XCI); | |
782 | btv->pll.pll_current = 0; | |
783 | return; | |
784 | } | |
1da177e4 | 785 | |
e1e70a26 | 786 | bttv_printk(KERN_INFO "bttv%d: PLL: %d => %d ",btv->c.nr, |
674434c6 | 787 | btv->pll.pll_ifreq, btv->pll.pll_ofreq); |
1da177e4 LT |
788 | set_pll_freq(btv, btv->pll.pll_ifreq, btv->pll.pll_ofreq); |
789 | ||
afd1a0c9 | 790 | for (i=0; i<10; i++) { |
1da177e4 | 791 | /* Let other people run while the PLL stabilizes */ |
e1e70a26 | 792 | bttv_printk("."); |
1da177e4 LT |
793 | msleep(10); |
794 | ||
afd1a0c9 | 795 | if (btread(BT848_DSTATUS) & BT848_DSTATUS_PLOCK) { |
1da177e4 | 796 | btwrite(0,BT848_DSTATUS); |
afd1a0c9 | 797 | } else { |
674434c6 MCC |
798 | btwrite(0x08,BT848_TGCTRL); |
799 | btv->pll.pll_current = btv->pll.pll_ofreq; | |
e1e70a26 | 800 | bttv_printk(" ok\n"); |
674434c6 | 801 | return; |
afd1a0c9 MCC |
802 | } |
803 | } | |
804 | btv->pll.pll_current = -1; | |
e1e70a26 | 805 | bttv_printk("failed\n"); |
afd1a0c9 | 806 | return; |
1da177e4 LT |
807 | } |
808 | ||
809 | /* used to switch between the bt848's analog/digital video capture modes */ | |
810 | static void bt848A_set_timing(struct bttv *btv) | |
811 | { | |
812 | int i, len; | |
813 | int table_idx = bttv_tvnorms[btv->tvnorm].sram; | |
814 | int fsc = bttv_tvnorms[btv->tvnorm].Fsc; | |
815 | ||
816 | if (UNSET == bttv_tvcards[btv->c.type].muxsel[btv->input]) { | |
817 | dprintk("bttv%d: load digital timing table (table_idx=%d)\n", | |
818 | btv->c.nr,table_idx); | |
819 | ||
820 | /* timing change...reset timing generator address */ | |
4ac97914 MCC |
821 | btwrite(0x00, BT848_TGCTRL); |
822 | btwrite(0x02, BT848_TGCTRL); | |
823 | btwrite(0x00, BT848_TGCTRL); | |
1da177e4 LT |
824 | |
825 | len=SRAM_Table[table_idx][0]; | |
826 | for(i = 1; i <= len; i++) | |
827 | btwrite(SRAM_Table[table_idx][i],BT848_TGLB); | |
828 | btv->pll.pll_ofreq = 27000000; | |
829 | ||
830 | set_pll(btv); | |
831 | btwrite(0x11, BT848_TGCTRL); | |
832 | btwrite(0x41, BT848_DVSIF); | |
833 | } else { | |
834 | btv->pll.pll_ofreq = fsc; | |
835 | set_pll(btv); | |
836 | btwrite(0x0, BT848_DVSIF); | |
837 | } | |
838 | } | |
839 | ||
840 | /* ----------------------------------------------------------------------- */ | |
841 | ||
842 | static void bt848_bright(struct bttv *btv, int bright) | |
843 | { | |
844 | int value; | |
845 | ||
846 | // printk("bttv: set bright: %d\n",bright); // DEBUG | |
847 | btv->bright = bright; | |
848 | ||
849 | /* We want -128 to 127 we get 0-65535 */ | |
850 | value = (bright >> 8) - 128; | |
851 | btwrite(value & 0xff, BT848_BRIGHT); | |
852 | } | |
853 | ||
854 | static void bt848_hue(struct bttv *btv, int hue) | |
855 | { | |
856 | int value; | |
857 | ||
858 | btv->hue = hue; | |
859 | ||
860 | /* -128 to 127 */ | |
861 | value = (hue >> 8) - 128; | |
4ac97914 | 862 | btwrite(value & 0xff, BT848_HUE); |
1da177e4 LT |
863 | } |
864 | ||
865 | static void bt848_contrast(struct bttv *btv, int cont) | |
866 | { | |
867 | int value,hibit; | |
868 | ||
869 | btv->contrast = cont; | |
870 | ||
871 | /* 0-511 */ | |
872 | value = (cont >> 7); | |
873 | hibit = (value >> 6) & 4; | |
4ac97914 MCC |
874 | btwrite(value & 0xff, BT848_CONTRAST_LO); |
875 | btaor(hibit, ~4, BT848_E_CONTROL); | |
876 | btaor(hibit, ~4, BT848_O_CONTROL); | |
1da177e4 LT |
877 | } |
878 | ||
879 | static void bt848_sat(struct bttv *btv, int color) | |
880 | { | |
881 | int val_u,val_v,hibits; | |
882 | ||
883 | btv->saturation = color; | |
884 | ||
885 | /* 0-511 for the color */ | |
060d3027 MCC |
886 | val_u = ((color * btv->opt_uv_ratio) / 50) >> 7; |
887 | val_v = (((color * (100 - btv->opt_uv_ratio) / 50) >>7)*180L)/254; | |
4ac97914 | 888 | hibits = (val_u >> 7) & 2; |
1da177e4 | 889 | hibits |= (val_v >> 8) & 1; |
4ac97914 MCC |
890 | btwrite(val_u & 0xff, BT848_SAT_U_LO); |
891 | btwrite(val_v & 0xff, BT848_SAT_V_LO); | |
892 | btaor(hibits, ~3, BT848_E_CONTROL); | |
893 | btaor(hibits, ~3, BT848_O_CONTROL); | |
1da177e4 LT |
894 | } |
895 | ||
896 | /* ----------------------------------------------------------------------- */ | |
897 | ||
898 | static int | |
899 | video_mux(struct bttv *btv, unsigned int input) | |
900 | { | |
901 | int mux,mask2; | |
902 | ||
903 | if (input >= bttv_tvcards[btv->c.type].video_inputs) | |
904 | return -EINVAL; | |
905 | ||
4ac97914 | 906 | /* needed by RemoteVideo MX */ |
1da177e4 LT |
907 | mask2 = bttv_tvcards[btv->c.type].gpiomask2; |
908 | if (mask2) | |
909 | gpio_inout(mask2,mask2); | |
910 | ||
911 | if (input == btv->svhs) { | |
912 | btor(BT848_CONTROL_COMP, BT848_E_CONTROL); | |
913 | btor(BT848_CONTROL_COMP, BT848_O_CONTROL); | |
914 | } else { | |
915 | btand(~BT848_CONTROL_COMP, BT848_E_CONTROL); | |
916 | btand(~BT848_CONTROL_COMP, BT848_O_CONTROL); | |
917 | } | |
918 | mux = bttv_tvcards[btv->c.type].muxsel[input] & 3; | |
919 | btaor(mux<<5, ~(3<<5), BT848_IFORM); | |
920 | dprintk(KERN_DEBUG "bttv%d: video mux: input=%d mux=%d\n", | |
921 | btv->c.nr,input,mux); | |
922 | ||
923 | /* card specific hook */ | |
924 | if(bttv_tvcards[btv->c.type].muxsel_hook) | |
925 | bttv_tvcards[btv->c.type].muxsel_hook (btv, input); | |
926 | return 0; | |
927 | } | |
928 | ||
929 | static char *audio_modes[] = { | |
930 | "audio: tuner", "audio: radio", "audio: extern", | |
8bf2f8e7 | 931 | "audio: intern", "audio: mute" |
1da177e4 LT |
932 | }; |
933 | ||
934 | static int | |
8bf2f8e7 | 935 | audio_mux(struct bttv *btv, int input, int mute) |
1da177e4 | 936 | { |
8bf2f8e7 | 937 | int gpio_val, signal; |
8bf2f8e7 HV |
938 | struct v4l2_control ctrl; |
939 | struct i2c_client *c; | |
1da177e4 LT |
940 | |
941 | gpio_inout(bttv_tvcards[btv->c.type].gpiomask, | |
942 | bttv_tvcards[btv->c.type].gpiomask); | |
943 | signal = btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC; | |
944 | ||
8bf2f8e7 HV |
945 | btv->mute = mute; |
946 | btv->audio = input; | |
947 | ||
948 | /* automute */ | |
949 | mute = mute || (btv->opt_automute && !signal && !btv->radio_user); | |
950 | ||
951 | if (mute) | |
952 | gpio_val = bttv_tvcards[btv->c.type].gpiomute; | |
953 | else | |
954 | gpio_val = bttv_tvcards[btv->c.type].gpiomux[input]; | |
8bf2f8e7 HV |
955 | |
956 | gpio_bits(bttv_tvcards[btv->c.type].gpiomask, gpio_val); | |
1da177e4 | 957 | if (bttv_gpio) |
8bf2f8e7 HV |
958 | bttv_gpio_tracking(btv, audio_modes[mute ? 4 : input]); |
959 | if (in_interrupt()) | |
960 | return 0; | |
961 | ||
962 | ctrl.id = V4L2_CID_AUDIO_MUTE; | |
2474ed44 | 963 | ctrl.value = btv->mute; |
8bf2f8e7 HV |
964 | bttv_call_i2c_clients(btv, VIDIOC_S_CTRL, &ctrl); |
965 | c = btv->i2c_msp34xx_client; | |
2474ed44 HV |
966 | if (c) { |
967 | struct v4l2_routing route; | |
968 | ||
969 | /* Note: the inputs tuner/radio/extern/intern are translated | |
970 | to msp routings. This assumes common behavior for all msp3400 | |
971 | based TV cards. When this assumption fails, then the | |
972 | specific MSP routing must be added to the card table. | |
973 | For now this is sufficient. */ | |
974 | switch (input) { | |
975 | case TVAUDIO_INPUT_RADIO: | |
07151724 HV |
976 | route.input = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1, |
977 | MSP_DSP_IN_SCART, MSP_DSP_IN_SCART); | |
2474ed44 HV |
978 | break; |
979 | case TVAUDIO_INPUT_EXTERN: | |
07151724 HV |
980 | route.input = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1, |
981 | MSP_DSP_IN_SCART, MSP_DSP_IN_SCART); | |
2474ed44 HV |
982 | break; |
983 | case TVAUDIO_INPUT_INTERN: | |
984 | /* Yes, this is the same input as for RADIO. I doubt | |
985 | if this is ever used. The only board with an INTERN | |
986 | input is the BTTV_BOARD_AVERMEDIA98. I wonder how | |
987 | that was tested. My guess is that the whole INTERN | |
988 | input does not work. */ | |
07151724 HV |
989 | route.input = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1, |
990 | MSP_DSP_IN_SCART, MSP_DSP_IN_SCART); | |
2474ed44 HV |
991 | break; |
992 | case TVAUDIO_INPUT_TUNER: | |
993 | default: | |
994 | route.input = MSP_INPUT_DEFAULT; | |
995 | break; | |
996 | } | |
997 | route.output = MSP_OUTPUT_DEFAULT; | |
998 | c->driver->command(c, VIDIOC_INT_S_AUDIO_ROUTING, &route); | |
999 | } | |
8bf2f8e7 | 1000 | c = btv->i2c_tvaudio_client; |
2474ed44 HV |
1001 | if (c) { |
1002 | struct v4l2_routing route; | |
1003 | ||
1004 | route.input = input; | |
1005 | route.output = 0; | |
1006 | c->driver->command(c, VIDIOC_INT_S_AUDIO_ROUTING, &route); | |
1007 | } | |
1da177e4 LT |
1008 | return 0; |
1009 | } | |
1010 | ||
8bf2f8e7 HV |
1011 | static inline int |
1012 | audio_mute(struct bttv *btv, int mute) | |
1013 | { | |
1014 | return audio_mux(btv, btv->audio, mute); | |
1015 | } | |
1016 | ||
1017 | static inline int | |
1018 | audio_input(struct bttv *btv, int input) | |
1019 | { | |
1020 | return audio_mux(btv, input, btv->mute); | |
1021 | } | |
1022 | ||
1da177e4 LT |
1023 | static void |
1024 | i2c_vidiocschan(struct bttv *btv) | |
1025 | { | |
0020d3ef | 1026 | v4l2_std_id std = bttv_tvnorms[btv->tvnorm].v4l2_id; |
1da177e4 | 1027 | |
0020d3ef | 1028 | bttv_call_i2c_clients(btv, VIDIOC_S_STD, &std); |
5a25e84b | 1029 | if (btv->c.type == BTTV_BOARD_VOODOOTV_FM) |
0020d3ef | 1030 | bttv_tda9880_setnorm(btv,btv->tvnorm); |
1da177e4 LT |
1031 | } |
1032 | ||
1033 | static int | |
1034 | set_tvnorm(struct bttv *btv, unsigned int norm) | |
1035 | { | |
1036 | const struct bttv_tvnorm *tvnorm; | |
1037 | ||
1038 | if (norm < 0 || norm >= BTTV_TVNORMS) | |
1039 | return -EINVAL; | |
1040 | ||
1041 | btv->tvnorm = norm; | |
1042 | tvnorm = &bttv_tvnorms[norm]; | |
1043 | ||
1044 | btwrite(tvnorm->adelay, BT848_ADELAY); | |
1045 | btwrite(tvnorm->bdelay, BT848_BDELAY); | |
1046 | btaor(tvnorm->iform,~(BT848_IFORM_NORM|BT848_IFORM_XTBOTH), | |
1047 | BT848_IFORM); | |
1048 | btwrite(tvnorm->vbipack, BT848_VBI_PACK_SIZE); | |
1049 | btwrite(1, BT848_VBI_PACK_DEL); | |
1050 | bt848A_set_timing(btv); | |
1051 | ||
1052 | switch (btv->c.type) { | |
5a25e84b | 1053 | case BTTV_BOARD_VOODOOTV_FM: |
1da177e4 LT |
1054 | bttv_tda9880_setnorm(btv,norm); |
1055 | break; | |
1da177e4 LT |
1056 | } |
1057 | return 0; | |
1058 | } | |
1059 | ||
1060 | static void | |
1061 | set_input(struct bttv *btv, unsigned int input) | |
1062 | { | |
1063 | unsigned long flags; | |
1064 | ||
1065 | btv->input = input; | |
1066 | if (irq_iswitch) { | |
1067 | spin_lock_irqsave(&btv->s_lock,flags); | |
1068 | if (btv->curr.frame_irq) { | |
1069 | /* active capture -> delayed input switch */ | |
1070 | btv->new_input = input; | |
1071 | } else { | |
1072 | video_mux(btv,input); | |
1073 | } | |
1074 | spin_unlock_irqrestore(&btv->s_lock,flags); | |
1075 | } else { | |
1076 | video_mux(btv,input); | |
1077 | } | |
8bf2f8e7 HV |
1078 | audio_input(btv,(input == bttv_tvcards[btv->c.type].tuner ? |
1079 | TVAUDIO_INPUT_TUNER : TVAUDIO_INPUT_EXTERN)); | |
1da177e4 LT |
1080 | set_tvnorm(btv,btv->tvnorm); |
1081 | i2c_vidiocschan(btv); | |
1082 | } | |
1083 | ||
1084 | static void init_irqreg(struct bttv *btv) | |
1085 | { | |
1086 | /* clear status */ | |
1087 | btwrite(0xfffffUL, BT848_INT_STAT); | |
1088 | ||
1089 | if (bttv_tvcards[btv->c.type].no_video) { | |
1090 | /* i2c only */ | |
1091 | btwrite(BT848_INT_I2CDONE, | |
1092 | BT848_INT_MASK); | |
1093 | } else { | |
1094 | /* full video */ | |
1095 | btwrite((btv->triton1) | | |
1096 | (btv->gpioirq ? BT848_INT_GPINT : 0) | | |
1097 | BT848_INT_SCERR | | |
1098 | (fdsr ? BT848_INT_FDSR : 0) | | |
1099 | BT848_INT_RISCI|BT848_INT_OCERR|BT848_INT_VPRES| | |
1100 | BT848_INT_FMTCHG|BT848_INT_HLOCK| | |
1101 | BT848_INT_I2CDONE, | |
1102 | BT848_INT_MASK); | |
1103 | } | |
1104 | } | |
1105 | ||
1106 | static void init_bt848(struct bttv *btv) | |
1107 | { | |
1108 | int val; | |
1109 | ||
1110 | if (bttv_tvcards[btv->c.type].no_video) { | |
1111 | /* very basic init only */ | |
1112 | init_irqreg(btv); | |
1113 | return; | |
1114 | } | |
1115 | ||
1116 | btwrite(0x00, BT848_CAP_CTL); | |
1117 | btwrite(BT848_COLOR_CTL_GAMMA, BT848_COLOR_CTL); | |
1118 | btwrite(BT848_IFORM_XTAUTO | BT848_IFORM_AUTO, BT848_IFORM); | |
1119 | ||
4ac97914 MCC |
1120 | /* set planar and packed mode trigger points and */ |
1121 | /* set rising edge of inverted GPINTR pin as irq trigger */ | |
1122 | btwrite(BT848_GPIO_DMA_CTL_PKTP_32| | |
1123 | BT848_GPIO_DMA_CTL_PLTP1_16| | |
1124 | BT848_GPIO_DMA_CTL_PLTP23_16| | |
1125 | BT848_GPIO_DMA_CTL_GPINTC| | |
1126 | BT848_GPIO_DMA_CTL_GPINTI, | |
1127 | BT848_GPIO_DMA_CTL); | |
1da177e4 LT |
1128 | |
1129 | val = btv->opt_chroma_agc ? BT848_SCLOOP_CAGC : 0; | |
4ac97914 MCC |
1130 | btwrite(val, BT848_E_SCLOOP); |
1131 | btwrite(val, BT848_O_SCLOOP); | |
1da177e4 | 1132 | |
4ac97914 MCC |
1133 | btwrite(0x20, BT848_E_VSCALE_HI); |
1134 | btwrite(0x20, BT848_O_VSCALE_HI); | |
1135 | btwrite(BT848_ADC_RESERVED | (btv->opt_adc_crush ? BT848_ADC_CRUSH : 0), | |
1da177e4 LT |
1136 | BT848_ADC); |
1137 | ||
1138 | btwrite(whitecrush_upper, BT848_WC_UP); | |
1139 | btwrite(whitecrush_lower, BT848_WC_DOWN); | |
1140 | ||
1141 | if (btv->opt_lumafilter) { | |
1142 | btwrite(0, BT848_E_CONTROL); | |
1143 | btwrite(0, BT848_O_CONTROL); | |
1144 | } else { | |
1145 | btwrite(BT848_CONTROL_LDEC, BT848_E_CONTROL); | |
1146 | btwrite(BT848_CONTROL_LDEC, BT848_O_CONTROL); | |
1147 | } | |
1148 | ||
1149 | bt848_bright(btv, btv->bright); | |
1150 | bt848_hue(btv, btv->hue); | |
1151 | bt848_contrast(btv, btv->contrast); | |
1152 | bt848_sat(btv, btv->saturation); | |
1153 | ||
4ac97914 | 1154 | /* interrupt */ |
1da177e4 LT |
1155 | init_irqreg(btv); |
1156 | } | |
1157 | ||
1158 | static void bttv_reinit_bt848(struct bttv *btv) | |
1159 | { | |
1160 | unsigned long flags; | |
1161 | ||
1162 | if (bttv_verbose) | |
1163 | printk(KERN_INFO "bttv%d: reset, reinitialize\n",btv->c.nr); | |
1164 | spin_lock_irqsave(&btv->s_lock,flags); | |
1165 | btv->errors=0; | |
1166 | bttv_set_dma(btv,0); | |
1167 | spin_unlock_irqrestore(&btv->s_lock,flags); | |
1168 | ||
1169 | init_bt848(btv); | |
4ac97914 | 1170 | btv->pll.pll_current = -1; |
1da177e4 LT |
1171 | set_input(btv,btv->input); |
1172 | } | |
1173 | ||
1174 | static int get_control(struct bttv *btv, struct v4l2_control *c) | |
1175 | { | |
1176 | struct video_audio va; | |
1177 | int i; | |
1178 | ||
1179 | for (i = 0; i < BTTV_CTLS; i++) | |
1180 | if (bttv_ctls[i].id == c->id) | |
1181 | break; | |
1182 | if (i == BTTV_CTLS) | |
1183 | return -EINVAL; | |
0020d3ef | 1184 | if (btv->audio_hook && i >= 4 && i <= 8) { |
1da177e4 | 1185 | memset(&va,0,sizeof(va)); |
0020d3ef HV |
1186 | btv->audio_hook(btv,&va,0); |
1187 | switch (c->id) { | |
1188 | case V4L2_CID_AUDIO_MUTE: | |
1189 | c->value = (VIDEO_AUDIO_MUTE & va.flags) ? 1 : 0; | |
1190 | break; | |
1191 | case V4L2_CID_AUDIO_VOLUME: | |
1192 | c->value = va.volume; | |
1193 | break; | |
1194 | case V4L2_CID_AUDIO_BALANCE: | |
1195 | c->value = va.balance; | |
1196 | break; | |
1197 | case V4L2_CID_AUDIO_BASS: | |
1198 | c->value = va.bass; | |
1199 | break; | |
1200 | case V4L2_CID_AUDIO_TREBLE: | |
1201 | c->value = va.treble; | |
1202 | break; | |
1203 | } | |
1204 | return 0; | |
1da177e4 LT |
1205 | } |
1206 | switch (c->id) { | |
1207 | case V4L2_CID_BRIGHTNESS: | |
1208 | c->value = btv->bright; | |
1209 | break; | |
1210 | case V4L2_CID_HUE: | |
1211 | c->value = btv->hue; | |
1212 | break; | |
1213 | case V4L2_CID_CONTRAST: | |
1214 | c->value = btv->contrast; | |
1215 | break; | |
1216 | case V4L2_CID_SATURATION: | |
1217 | c->value = btv->saturation; | |
1218 | break; | |
1219 | ||
1220 | case V4L2_CID_AUDIO_MUTE: | |
1da177e4 | 1221 | case V4L2_CID_AUDIO_VOLUME: |
1da177e4 | 1222 | case V4L2_CID_AUDIO_BALANCE: |
1da177e4 | 1223 | case V4L2_CID_AUDIO_BASS: |
1da177e4 | 1224 | case V4L2_CID_AUDIO_TREBLE: |
0020d3ef | 1225 | bttv_call_i2c_clients(btv,VIDIOC_G_CTRL,c); |
1da177e4 LT |
1226 | break; |
1227 | ||
1228 | case V4L2_CID_PRIVATE_CHROMA_AGC: | |
1229 | c->value = btv->opt_chroma_agc; | |
1230 | break; | |
1231 | case V4L2_CID_PRIVATE_COMBFILTER: | |
1232 | c->value = btv->opt_combfilter; | |
1233 | break; | |
1234 | case V4L2_CID_PRIVATE_LUMAFILTER: | |
1235 | c->value = btv->opt_lumafilter; | |
1236 | break; | |
1237 | case V4L2_CID_PRIVATE_AUTOMUTE: | |
1238 | c->value = btv->opt_automute; | |
1239 | break; | |
1240 | case V4L2_CID_PRIVATE_AGC_CRUSH: | |
1241 | c->value = btv->opt_adc_crush; | |
1242 | break; | |
1243 | case V4L2_CID_PRIVATE_VCR_HACK: | |
1244 | c->value = btv->opt_vcr_hack; | |
1245 | break; | |
1246 | case V4L2_CID_PRIVATE_WHITECRUSH_UPPER: | |
1247 | c->value = btv->opt_whitecrush_upper; | |
1248 | break; | |
1249 | case V4L2_CID_PRIVATE_WHITECRUSH_LOWER: | |
1250 | c->value = btv->opt_whitecrush_lower; | |
1251 | break; | |
060d3027 MCC |
1252 | case V4L2_CID_PRIVATE_UV_RATIO: |
1253 | c->value = btv->opt_uv_ratio; | |
1254 | break; | |
1255 | case V4L2_CID_PRIVATE_FULL_LUMA_RANGE: | |
1256 | c->value = btv->opt_full_luma_range; | |
1257 | break; | |
1258 | case V4L2_CID_PRIVATE_CORING: | |
1259 | c->value = btv->opt_coring; | |
1260 | break; | |
1da177e4 LT |
1261 | default: |
1262 | return -EINVAL; | |
1263 | } | |
1264 | return 0; | |
1265 | } | |
1266 | ||
1267 | static int set_control(struct bttv *btv, struct v4l2_control *c) | |
1268 | { | |
1269 | struct video_audio va; | |
1270 | int i,val; | |
1271 | ||
1272 | for (i = 0; i < BTTV_CTLS; i++) | |
1273 | if (bttv_ctls[i].id == c->id) | |
1274 | break; | |
1275 | if (i == BTTV_CTLS) | |
1276 | return -EINVAL; | |
0020d3ef | 1277 | if (btv->audio_hook && i >= 4 && i <= 8) { |
1da177e4 | 1278 | memset(&va,0,sizeof(va)); |
0020d3ef HV |
1279 | btv->audio_hook(btv,&va,0); |
1280 | switch (c->id) { | |
1281 | case V4L2_CID_AUDIO_MUTE: | |
1282 | if (c->value) { | |
1283 | va.flags |= VIDEO_AUDIO_MUTE; | |
1284 | audio_mute(btv, 1); | |
1285 | } else { | |
1286 | va.flags &= ~VIDEO_AUDIO_MUTE; | |
1287 | audio_mute(btv, 0); | |
1288 | } | |
1289 | break; | |
1290 | ||
1291 | case V4L2_CID_AUDIO_VOLUME: | |
1292 | va.volume = c->value; | |
1293 | break; | |
1294 | case V4L2_CID_AUDIO_BALANCE: | |
1295 | va.balance = c->value; | |
1296 | break; | |
1297 | case V4L2_CID_AUDIO_BASS: | |
1298 | va.bass = c->value; | |
1299 | break; | |
1300 | case V4L2_CID_AUDIO_TREBLE: | |
1301 | va.treble = c->value; | |
1302 | break; | |
1303 | } | |
1304 | btv->audio_hook(btv,&va,1); | |
1305 | return 0; | |
1da177e4 LT |
1306 | } |
1307 | switch (c->id) { | |
1308 | case V4L2_CID_BRIGHTNESS: | |
1309 | bt848_bright(btv,c->value); | |
1310 | break; | |
1311 | case V4L2_CID_HUE: | |
1312 | bt848_hue(btv,c->value); | |
1313 | break; | |
1314 | case V4L2_CID_CONTRAST: | |
1315 | bt848_contrast(btv,c->value); | |
1316 | break; | |
1317 | case V4L2_CID_SATURATION: | |
1318 | bt848_sat(btv,c->value); | |
1319 | break; | |
1320 | case V4L2_CID_AUDIO_MUTE: | |
0020d3ef HV |
1321 | audio_mute(btv, c->value); |
1322 | /* fall through */ | |
1da177e4 | 1323 | case V4L2_CID_AUDIO_VOLUME: |
1da177e4 | 1324 | case V4L2_CID_AUDIO_BALANCE: |
1da177e4 | 1325 | case V4L2_CID_AUDIO_BASS: |
1da177e4 | 1326 | case V4L2_CID_AUDIO_TREBLE: |
0020d3ef | 1327 | bttv_call_i2c_clients(btv,VIDIOC_S_CTRL,c); |
1da177e4 LT |
1328 | break; |
1329 | ||
1330 | case V4L2_CID_PRIVATE_CHROMA_AGC: | |
1331 | btv->opt_chroma_agc = c->value; | |
1332 | val = btv->opt_chroma_agc ? BT848_SCLOOP_CAGC : 0; | |
1333 | btwrite(val, BT848_E_SCLOOP); | |
1334 | btwrite(val, BT848_O_SCLOOP); | |
1335 | break; | |
1336 | case V4L2_CID_PRIVATE_COMBFILTER: | |
1337 | btv->opt_combfilter = c->value; | |
1338 | break; | |
1339 | case V4L2_CID_PRIVATE_LUMAFILTER: | |
1340 | btv->opt_lumafilter = c->value; | |
1341 | if (btv->opt_lumafilter) { | |
1342 | btand(~BT848_CONTROL_LDEC, BT848_E_CONTROL); | |
1343 | btand(~BT848_CONTROL_LDEC, BT848_O_CONTROL); | |
1344 | } else { | |
1345 | btor(BT848_CONTROL_LDEC, BT848_E_CONTROL); | |
1346 | btor(BT848_CONTROL_LDEC, BT848_O_CONTROL); | |
1347 | } | |
1348 | break; | |
1349 | case V4L2_CID_PRIVATE_AUTOMUTE: | |
1350 | btv->opt_automute = c->value; | |
1351 | break; | |
1352 | case V4L2_CID_PRIVATE_AGC_CRUSH: | |
1353 | btv->opt_adc_crush = c->value; | |
1354 | btwrite(BT848_ADC_RESERVED | (btv->opt_adc_crush ? BT848_ADC_CRUSH : 0), | |
1355 | BT848_ADC); | |
1356 | break; | |
1357 | case V4L2_CID_PRIVATE_VCR_HACK: | |
1358 | btv->opt_vcr_hack = c->value; | |
1359 | break; | |
1360 | case V4L2_CID_PRIVATE_WHITECRUSH_UPPER: | |
1361 | btv->opt_whitecrush_upper = c->value; | |
1362 | btwrite(c->value, BT848_WC_UP); | |
1363 | break; | |
1364 | case V4L2_CID_PRIVATE_WHITECRUSH_LOWER: | |
1365 | btv->opt_whitecrush_lower = c->value; | |
1366 | btwrite(c->value, BT848_WC_DOWN); | |
1367 | break; | |
060d3027 MCC |
1368 | case V4L2_CID_PRIVATE_UV_RATIO: |
1369 | btv->opt_uv_ratio = c->value; | |
1370 | bt848_sat(btv, btv->saturation); | |
1371 | break; | |
1372 | case V4L2_CID_PRIVATE_FULL_LUMA_RANGE: | |
1373 | btv->opt_full_luma_range = c->value; | |
1374 | btaor((c->value<<7), ~BT848_OFORM_RANGE, BT848_OFORM); | |
1375 | break; | |
1376 | case V4L2_CID_PRIVATE_CORING: | |
1377 | btv->opt_coring = c->value; | |
1378 | btaor((c->value<<5), ~BT848_OFORM_CORE32, BT848_OFORM); | |
1379 | break; | |
1da177e4 LT |
1380 | default: |
1381 | return -EINVAL; | |
1382 | } | |
1da177e4 LT |
1383 | return 0; |
1384 | } | |
1385 | ||
1386 | /* ----------------------------------------------------------------------- */ | |
1387 | ||
1388 | void bttv_gpio_tracking(struct bttv *btv, char *comment) | |
1389 | { | |
1390 | unsigned int outbits, data; | |
1391 | outbits = btread(BT848_GPIO_OUT_EN); | |
1392 | data = btread(BT848_GPIO_DATA); | |
1393 | printk(KERN_DEBUG "bttv%d: gpio: en=%08x, out=%08x in=%08x [%s]\n", | |
1394 | btv->c.nr,outbits,data & outbits, data & ~outbits, comment); | |
1395 | } | |
1396 | ||
1397 | static void bttv_field_count(struct bttv *btv) | |
1398 | { | |
1399 | int need_count = 0; | |
1400 | ||
1401 | if (btv->users) | |
1402 | need_count++; | |
1403 | ||
1404 | if (need_count) { | |
1405 | /* start field counter */ | |
1406 | btor(BT848_INT_VSYNC,BT848_INT_MASK); | |
1407 | } else { | |
1408 | /* stop field counter */ | |
1409 | btand(~BT848_INT_VSYNC,BT848_INT_MASK); | |
1410 | btv->field_count = 0; | |
1411 | } | |
1412 | } | |
1413 | ||
1414 | static const struct bttv_format* | |
1415 | format_by_palette(int palette) | |
1416 | { | |
1417 | unsigned int i; | |
1418 | ||
1419 | for (i = 0; i < BTTV_FORMATS; i++) { | |
1420 | if (-1 == bttv_formats[i].palette) | |
1421 | continue; | |
1422 | if (bttv_formats[i].palette == palette) | |
1423 | return bttv_formats+i; | |
1424 | } | |
1425 | return NULL; | |
1426 | } | |
1427 | ||
1428 | static const struct bttv_format* | |
1429 | format_by_fourcc(int fourcc) | |
1430 | { | |
1431 | unsigned int i; | |
1432 | ||
1433 | for (i = 0; i < BTTV_FORMATS; i++) { | |
1434 | if (-1 == bttv_formats[i].fourcc) | |
1435 | continue; | |
1436 | if (bttv_formats[i].fourcc == fourcc) | |
1437 | return bttv_formats+i; | |
1438 | } | |
1439 | return NULL; | |
1440 | } | |
1441 | ||
1442 | /* ----------------------------------------------------------------------- */ | |
1443 | /* misc helpers */ | |
1444 | ||
1445 | static int | |
1446 | bttv_switch_overlay(struct bttv *btv, struct bttv_fh *fh, | |
1447 | struct bttv_buffer *new) | |
1448 | { | |
1449 | struct bttv_buffer *old; | |
1450 | unsigned long flags; | |
1451 | int retval = 0; | |
1452 | ||
1453 | dprintk("switch_overlay: enter [new=%p]\n",new); | |
1454 | if (new) | |
1455 | new->vb.state = STATE_DONE; | |
1456 | spin_lock_irqsave(&btv->s_lock,flags); | |
1457 | old = btv->screen; | |
1458 | btv->screen = new; | |
1459 | btv->loop_irq |= 1; | |
1460 | bttv_set_dma(btv, 0x03); | |
1461 | spin_unlock_irqrestore(&btv->s_lock,flags); | |
1462 | if (NULL == new) | |
1463 | free_btres(btv,fh,RESOURCE_OVERLAY); | |
1464 | if (NULL != old) { | |
1465 | dprintk("switch_overlay: old=%p state is %d\n",old,old->vb.state); | |
c7b0ac05 | 1466 | bttv_dma_free(&fh->cap,btv, old); |
1da177e4 LT |
1467 | kfree(old); |
1468 | } | |
1469 | dprintk("switch_overlay: done\n"); | |
1470 | return retval; | |
1471 | } | |
1472 | ||
1473 | /* ----------------------------------------------------------------------- */ | |
1474 | /* video4linux (1) interface */ | |
1475 | ||
c7b0ac05 MCC |
1476 | static int bttv_prepare_buffer(struct videobuf_queue *q,struct bttv *btv, |
1477 | struct bttv_buffer *buf, | |
4ac97914 | 1478 | const struct bttv_format *fmt, |
1da177e4 LT |
1479 | unsigned int width, unsigned int height, |
1480 | enum v4l2_field field) | |
1481 | { | |
1482 | int redo_dma_risc = 0; | |
1483 | int rc; | |
1484 | ||
1485 | /* check settings */ | |
1486 | if (NULL == fmt) | |
1487 | return -EINVAL; | |
1488 | if (fmt->btformat == BT848_COLOR_FMT_RAW) { | |
1489 | width = RAW_BPL; | |
1490 | height = RAW_LINES*2; | |
1491 | if (width*height > buf->vb.bsize) | |
1492 | return -EINVAL; | |
1493 | buf->vb.size = buf->vb.bsize; | |
1494 | } else { | |
1495 | if (width < 48 || | |
1496 | height < 32 || | |
1497 | width > bttv_tvnorms[btv->tvnorm].swidth || | |
1498 | height > bttv_tvnorms[btv->tvnorm].sheight) | |
1499 | return -EINVAL; | |
1500 | buf->vb.size = (width * height * fmt->depth) >> 3; | |
1501 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
1502 | return -EINVAL; | |
1503 | } | |
1504 | ||
1505 | /* alloc + fill struct bttv_buffer (if changed) */ | |
1506 | if (buf->vb.width != width || buf->vb.height != height || | |
1507 | buf->vb.field != field || | |
1508 | buf->tvnorm != btv->tvnorm || buf->fmt != fmt) { | |
1509 | buf->vb.width = width; | |
1510 | buf->vb.height = height; | |
1511 | buf->vb.field = field; | |
1512 | buf->tvnorm = btv->tvnorm; | |
1513 | buf->fmt = fmt; | |
1514 | redo_dma_risc = 1; | |
1515 | } | |
1516 | ||
1517 | /* alloc risc memory */ | |
1518 | if (STATE_NEEDS_INIT == buf->vb.state) { | |
1519 | redo_dma_risc = 1; | |
c7b0ac05 | 1520 | if (0 != (rc = videobuf_iolock(q,&buf->vb,&btv->fbuf))) |
1da177e4 LT |
1521 | goto fail; |
1522 | } | |
1523 | ||
1524 | if (redo_dma_risc) | |
1525 | if (0 != (rc = bttv_buffer_risc(btv,buf))) | |
1526 | goto fail; | |
1527 | ||
1528 | buf->vb.state = STATE_PREPARED; | |
1529 | return 0; | |
1530 | ||
1531 | fail: | |
c7b0ac05 | 1532 | bttv_dma_free(q,btv,buf); |
1da177e4 LT |
1533 | return rc; |
1534 | } | |
1535 | ||
1536 | static int | |
1537 | buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) | |
1538 | { | |
1539 | struct bttv_fh *fh = q->priv_data; | |
1540 | ||
1541 | *size = fh->fmt->depth*fh->width*fh->height >> 3; | |
1542 | if (0 == *count) | |
1543 | *count = gbuffers; | |
1544 | while (*size * *count > gbuffers * gbufsize) | |
1545 | (*count)--; | |
1546 | return 0; | |
1547 | } | |
1548 | ||
1549 | static int | |
1550 | buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, | |
1551 | enum v4l2_field field) | |
1552 | { | |
1553 | struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb); | |
1554 | struct bttv_fh *fh = q->priv_data; | |
1555 | ||
c7b0ac05 | 1556 | return bttv_prepare_buffer(q,fh->btv, buf, fh->fmt, |
1da177e4 LT |
1557 | fh->width, fh->height, field); |
1558 | } | |
1559 | ||
1560 | static void | |
1561 | buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) | |
1562 | { | |
1563 | struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb); | |
1564 | struct bttv_fh *fh = q->priv_data; | |
1565 | struct bttv *btv = fh->btv; | |
1566 | ||
1567 | buf->vb.state = STATE_QUEUED; | |
1568 | list_add_tail(&buf->vb.queue,&btv->capture); | |
1569 | if (!btv->curr.frame_irq) { | |
1570 | btv->loop_irq |= 1; | |
1571 | bttv_set_dma(btv, 0x03); | |
1572 | } | |
1573 | } | |
1574 | ||
1575 | static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) | |
1576 | { | |
1577 | struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb); | |
1578 | struct bttv_fh *fh = q->priv_data; | |
1579 | ||
c7b0ac05 | 1580 | bttv_dma_free(&fh->cap,fh->btv,buf); |
1da177e4 LT |
1581 | } |
1582 | ||
1583 | static struct videobuf_queue_ops bttv_video_qops = { | |
1584 | .buf_setup = buffer_setup, | |
1585 | .buf_prepare = buffer_prepare, | |
1586 | .buf_queue = buffer_queue, | |
1587 | .buf_release = buffer_release, | |
1588 | }; | |
1589 | ||
1da177e4 LT |
1590 | static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg) |
1591 | { | |
1592 | switch (cmd) { | |
4ac97914 MCC |
1593 | case BTTV_VERSION: |
1594 | return BTTV_VERSION_CODE; | |
1da177e4 LT |
1595 | |
1596 | /* *** v4l1 *** ************************************************ */ | |
1597 | case VIDIOCGFREQ: | |
1598 | { | |
1599 | unsigned long *freq = arg; | |
1600 | *freq = btv->freq; | |
1601 | return 0; | |
1602 | } | |
1603 | case VIDIOCSFREQ: | |
1604 | { | |
3bbe5a83 HV |
1605 | struct v4l2_frequency freq; |
1606 | ||
1607 | memset(&freq, 0, sizeof(freq)); | |
1608 | freq.frequency = *(unsigned long *)arg; | |
bd5f0ac9 | 1609 | mutex_lock(&btv->lock); |
3bbe5a83 HV |
1610 | freq.type = btv->radio_user ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
1611 | btv->freq = *(unsigned long *)arg; | |
1612 | bttv_call_i2c_clients(btv,VIDIOC_S_FREQUENCY,&freq); | |
1da177e4 | 1613 | if (btv->has_matchbox && btv->radio_user) |
3bbe5a83 | 1614 | tea5757_set_freq(btv,*(unsigned long *)arg); |
bd5f0ac9 | 1615 | mutex_unlock(&btv->lock); |
1da177e4 LT |
1616 | return 0; |
1617 | } | |
1618 | ||
1619 | case VIDIOCGTUNER: | |
1620 | { | |
1621 | struct video_tuner *v = arg; | |
1622 | ||
1623 | if (UNSET == bttv_tvcards[btv->c.type].tuner) | |
1624 | return -EINVAL; | |
1625 | if (v->tuner) /* Only tuner 0 */ | |
1626 | return -EINVAL; | |
1627 | strcpy(v->name, "Television"); | |
1628 | v->rangelow = 0; | |
1629 | v->rangehigh = 0x7FFFFFFF; | |
1630 | v->flags = VIDEO_TUNER_PAL|VIDEO_TUNER_NTSC|VIDEO_TUNER_SECAM; | |
1631 | v->mode = btv->tvnorm; | |
1632 | v->signal = (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC) ? 0xFFFF : 0; | |
1633 | bttv_call_i2c_clients(btv,cmd,v); | |
1634 | return 0; | |
1635 | } | |
1636 | case VIDIOCSTUNER: | |
1637 | { | |
1638 | struct video_tuner *v = arg; | |
1639 | ||
1640 | if (v->tuner) /* Only tuner 0 */ | |
1641 | return -EINVAL; | |
1642 | if (v->mode >= BTTV_TVNORMS) | |
1643 | return -EINVAL; | |
1644 | ||
bd5f0ac9 | 1645 | mutex_lock(&btv->lock); |
1da177e4 LT |
1646 | set_tvnorm(btv,v->mode); |
1647 | bttv_call_i2c_clients(btv,cmd,v); | |
bd5f0ac9 | 1648 | mutex_unlock(&btv->lock); |
1da177e4 LT |
1649 | return 0; |
1650 | } | |
1651 | ||
4ac97914 MCC |
1652 | case VIDIOCGCHAN: |
1653 | { | |
1654 | struct video_channel *v = arg; | |
1da177e4 LT |
1655 | unsigned int channel = v->channel; |
1656 | ||
4ac97914 MCC |
1657 | if (channel >= bttv_tvcards[btv->c.type].video_inputs) |
1658 | return -EINVAL; | |
1659 | v->tuners=0; | |
1660 | v->flags = VIDEO_VC_AUDIO; | |
1661 | v->type = VIDEO_TYPE_CAMERA; | |
1662 | v->norm = btv->tvnorm; | |
1da177e4 | 1663 | if (channel == bttv_tvcards[btv->c.type].tuner) { |
4ac97914 MCC |
1664 | strcpy(v->name,"Television"); |
1665 | v->flags|=VIDEO_VC_TUNER; | |
1666 | v->type=VIDEO_TYPE_TV; | |
1667 | v->tuners=1; | |
1668 | } else if (channel == btv->svhs) { | |
1669 | strcpy(v->name,"S-Video"); | |
1670 | } else { | |
1671 | sprintf(v->name,"Composite%d",channel); | |
1da177e4 LT |
1672 | } |
1673 | return 0; | |
4ac97914 MCC |
1674 | } |
1675 | case VIDIOCSCHAN: | |
1676 | { | |
1677 | struct video_channel *v = arg; | |
1da177e4 LT |
1678 | unsigned int channel = v->channel; |
1679 | ||
1680 | if (channel >= bttv_tvcards[btv->c.type].video_inputs) | |
1681 | return -EINVAL; | |
1682 | if (v->norm >= BTTV_TVNORMS) | |
1683 | return -EINVAL; | |
1684 | ||
bd5f0ac9 | 1685 | mutex_lock(&btv->lock); |
1da177e4 LT |
1686 | if (channel == btv->input && |
1687 | v->norm == btv->tvnorm) { | |
1688 | /* nothing to do */ | |
bd5f0ac9 | 1689 | mutex_unlock(&btv->lock); |
1da177e4 LT |
1690 | return 0; |
1691 | } | |
1692 | ||
1693 | btv->tvnorm = v->norm; | |
1694 | set_input(btv,v->channel); | |
bd5f0ac9 | 1695 | mutex_unlock(&btv->lock); |
1da177e4 LT |
1696 | return 0; |
1697 | } | |
1698 | ||
4ac97914 | 1699 | case VIDIOCGAUDIO: |
1da177e4 LT |
1700 | { |
1701 | struct video_audio *v = arg; | |
1702 | ||
1703 | memset(v,0,sizeof(*v)); | |
1704 | strcpy(v->name,"Television"); | |
1705 | v->flags |= VIDEO_AUDIO_MUTABLE; | |
1706 | v->mode = VIDEO_SOUND_MONO; | |
1707 | ||
bd5f0ac9 | 1708 | mutex_lock(&btv->lock); |
1da177e4 LT |
1709 | bttv_call_i2c_clients(btv,cmd,v); |
1710 | ||
1711 | /* card specific hooks */ | |
1712 | if (btv->audio_hook) | |
1713 | btv->audio_hook(btv,v,0); | |
1714 | ||
bd5f0ac9 | 1715 | mutex_unlock(&btv->lock); |
1da177e4 LT |
1716 | return 0; |
1717 | } | |
1718 | case VIDIOCSAUDIO: | |
1719 | { | |
1720 | struct video_audio *v = arg; | |
1721 | unsigned int audio = v->audio; | |
1722 | ||
1723 | if (audio >= bttv_tvcards[btv->c.type].audio_inputs) | |
1724 | return -EINVAL; | |
1725 | ||
bd5f0ac9 | 1726 | mutex_lock(&btv->lock); |
8bf2f8e7 | 1727 | audio_mute(btv, (v->flags&VIDEO_AUDIO_MUTE) ? 1 : 0); |
1da177e4 LT |
1728 | bttv_call_i2c_clients(btv,cmd,v); |
1729 | ||
1730 | /* card specific hooks */ | |
1731 | if (btv->audio_hook) | |
1732 | btv->audio_hook(btv,v,1); | |
1733 | ||
bd5f0ac9 | 1734 | mutex_unlock(&btv->lock); |
1da177e4 LT |
1735 | return 0; |
1736 | } | |
1737 | ||
1738 | /* *** v4l2 *** ************************************************ */ | |
1739 | case VIDIOC_ENUMSTD: | |
1740 | { | |
1741 | struct v4l2_standard *e = arg; | |
1742 | unsigned int index = e->index; | |
1743 | ||
1744 | if (index >= BTTV_TVNORMS) | |
1745 | return -EINVAL; | |
1746 | v4l2_video_std_construct(e, bttv_tvnorms[e->index].v4l2_id, | |
1747 | bttv_tvnorms[e->index].name); | |
1748 | e->index = index; | |
1749 | return 0; | |
1750 | } | |
1751 | case VIDIOC_G_STD: | |
1752 | { | |
1753 | v4l2_std_id *id = arg; | |
1754 | *id = bttv_tvnorms[btv->tvnorm].v4l2_id; | |
1755 | return 0; | |
1756 | } | |
1757 | case VIDIOC_S_STD: | |
1758 | { | |
1759 | v4l2_std_id *id = arg; | |
1760 | unsigned int i; | |
1761 | ||
1762 | for (i = 0; i < BTTV_TVNORMS; i++) | |
1763 | if (*id & bttv_tvnorms[i].v4l2_id) | |
1764 | break; | |
1765 | if (i == BTTV_TVNORMS) | |
1766 | return -EINVAL; | |
1767 | ||
bd5f0ac9 | 1768 | mutex_lock(&btv->lock); |
1da177e4 LT |
1769 | set_tvnorm(btv,i); |
1770 | i2c_vidiocschan(btv); | |
bd5f0ac9 | 1771 | mutex_unlock(&btv->lock); |
1da177e4 LT |
1772 | return 0; |
1773 | } | |
1774 | case VIDIOC_QUERYSTD: | |
1775 | { | |
1776 | v4l2_std_id *id = arg; | |
1777 | ||
1778 | if (btread(BT848_DSTATUS) & BT848_DSTATUS_NUML) | |
1779 | *id = V4L2_STD_625_50; | |
1780 | else | |
1781 | *id = V4L2_STD_525_60; | |
1782 | return 0; | |
1783 | } | |
1784 | ||
1785 | case VIDIOC_ENUMINPUT: | |
1786 | { | |
1787 | struct v4l2_input *i = arg; | |
1788 | unsigned int n; | |
1789 | ||
1790 | n = i->index; | |
1791 | if (n >= bttv_tvcards[btv->c.type].video_inputs) | |
1792 | return -EINVAL; | |
1793 | memset(i,0,sizeof(*i)); | |
1794 | i->index = n; | |
1795 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
bbf7871e | 1796 | i->audioset = 0; |
1da177e4 LT |
1797 | if (i->index == bttv_tvcards[btv->c.type].tuner) { |
1798 | sprintf(i->name, "Television"); | |
1799 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1800 | i->tuner = 0; | |
1801 | } else if (i->index == btv->svhs) { | |
1802 | sprintf(i->name, "S-Video"); | |
1803 | } else { | |
4ac97914 | 1804 | sprintf(i->name,"Composite%d",i->index); |
1da177e4 LT |
1805 | } |
1806 | if (i->index == btv->input) { | |
1807 | __u32 dstatus = btread(BT848_DSTATUS); | |
1808 | if (0 == (dstatus & BT848_DSTATUS_PRES)) | |
1809 | i->status |= V4L2_IN_ST_NO_SIGNAL; | |
1810 | if (0 == (dstatus & BT848_DSTATUS_HLOC)) | |
1811 | i->status |= V4L2_IN_ST_NO_H_LOCK; | |
1812 | } | |
1813 | for (n = 0; n < BTTV_TVNORMS; n++) | |
1814 | i->std |= bttv_tvnorms[n].v4l2_id; | |
1815 | return 0; | |
1816 | } | |
1817 | case VIDIOC_G_INPUT: | |
1818 | { | |
1819 | int *i = arg; | |
1820 | *i = btv->input; | |
1821 | return 0; | |
1822 | } | |
1823 | case VIDIOC_S_INPUT: | |
1824 | { | |
1825 | unsigned int *i = arg; | |
1826 | ||
1827 | if (*i > bttv_tvcards[btv->c.type].video_inputs) | |
1828 | return -EINVAL; | |
bd5f0ac9 | 1829 | mutex_lock(&btv->lock); |
1da177e4 | 1830 | set_input(btv,*i); |
bd5f0ac9 | 1831 | mutex_unlock(&btv->lock); |
1da177e4 LT |
1832 | return 0; |
1833 | } | |
1834 | ||
1835 | case VIDIOC_G_TUNER: | |
1836 | { | |
1837 | struct v4l2_tuner *t = arg; | |
1838 | ||
1839 | if (UNSET == bttv_tvcards[btv->c.type].tuner) | |
1840 | return -EINVAL; | |
1841 | if (0 != t->index) | |
1842 | return -EINVAL; | |
bd5f0ac9 | 1843 | mutex_lock(&btv->lock); |
1da177e4 | 1844 | memset(t,0,sizeof(*t)); |
0020d3ef HV |
1845 | t->rxsubchans = V4L2_TUNER_SUB_MONO; |
1846 | bttv_call_i2c_clients(btv, VIDIOC_G_TUNER, t); | |
1da177e4 | 1847 | strcpy(t->name, "Television"); |
1da177e4 | 1848 | t->capability = V4L2_TUNER_CAP_NORM; |
0020d3ef | 1849 | t->type = V4L2_TUNER_ANALOG_TV; |
1da177e4 LT |
1850 | if (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC) |
1851 | t->signal = 0xffff; | |
0020d3ef HV |
1852 | |
1853 | if (btv->audio_hook) { | |
1da177e4 LT |
1854 | /* Hmmm ... */ |
1855 | struct video_audio va; | |
1856 | memset(&va, 0, sizeof(struct video_audio)); | |
0020d3ef HV |
1857 | btv->audio_hook(btv,&va,0); |
1858 | t->audmode = V4L2_TUNER_MODE_MONO; | |
1859 | t->rxsubchans = V4L2_TUNER_SUB_MONO; | |
1da177e4 | 1860 | if(va.mode & VIDEO_SOUND_STEREO) { |
0020d3ef HV |
1861 | t->audmode = V4L2_TUNER_MODE_STEREO; |
1862 | t->rxsubchans = V4L2_TUNER_SUB_STEREO; | |
1da177e4 | 1863 | } |
0020d3ef | 1864 | if(va.mode & VIDEO_SOUND_LANG2) { |
1da177e4 LT |
1865 | t->audmode = V4L2_TUNER_MODE_LANG1; |
1866 | t->rxsubchans = V4L2_TUNER_SUB_LANG1 | |
1867 | | V4L2_TUNER_SUB_LANG2; | |
1868 | } | |
1869 | } | |
1870 | /* FIXME: fill capability+audmode */ | |
bd5f0ac9 | 1871 | mutex_unlock(&btv->lock); |
1da177e4 LT |
1872 | return 0; |
1873 | } | |
1874 | case VIDIOC_S_TUNER: | |
1875 | { | |
1876 | struct v4l2_tuner *t = arg; | |
1877 | ||
1878 | if (UNSET == bttv_tvcards[btv->c.type].tuner) | |
1879 | return -EINVAL; | |
1880 | if (0 != t->index) | |
1881 | return -EINVAL; | |
bd5f0ac9 | 1882 | mutex_lock(&btv->lock); |
0020d3ef HV |
1883 | bttv_call_i2c_clients(btv, VIDIOC_S_TUNER, t); |
1884 | if (btv->audio_hook) { | |
1da177e4 LT |
1885 | struct video_audio va; |
1886 | memset(&va, 0, sizeof(struct video_audio)); | |
1da177e4 LT |
1887 | if (t->audmode == V4L2_TUNER_MODE_MONO) |
1888 | va.mode = VIDEO_SOUND_MONO; | |
301e22d6 HV |
1889 | else if (t->audmode == V4L2_TUNER_MODE_STEREO || |
1890 | t->audmode == V4L2_TUNER_MODE_LANG1_LANG2) | |
1da177e4 LT |
1891 | va.mode = VIDEO_SOUND_STEREO; |
1892 | else if (t->audmode == V4L2_TUNER_MODE_LANG1) | |
1893 | va.mode = VIDEO_SOUND_LANG1; | |
1894 | else if (t->audmode == V4L2_TUNER_MODE_LANG2) | |
1895 | va.mode = VIDEO_SOUND_LANG2; | |
0020d3ef | 1896 | btv->audio_hook(btv,&va,1); |
1da177e4 | 1897 | } |
bd5f0ac9 | 1898 | mutex_unlock(&btv->lock); |
1da177e4 LT |
1899 | return 0; |
1900 | } | |
1901 | ||
1902 | case VIDIOC_G_FREQUENCY: | |
1903 | { | |
1904 | struct v4l2_frequency *f = arg; | |
1905 | ||
1906 | memset(f,0,sizeof(*f)); | |
1907 | f->type = V4L2_TUNER_ANALOG_TV; | |
1908 | f->frequency = btv->freq; | |
1909 | return 0; | |
1910 | } | |
1911 | case VIDIOC_S_FREQUENCY: | |
1912 | { | |
1913 | struct v4l2_frequency *f = arg; | |
1914 | ||
1915 | if (unlikely(f->tuner != 0)) | |
1916 | return -EINVAL; | |
fa9846a8 | 1917 | if (unlikely (f->type != V4L2_TUNER_ANALOG_TV)) |
1da177e4 | 1918 | return -EINVAL; |
bd5f0ac9 | 1919 | mutex_lock(&btv->lock); |
1da177e4 | 1920 | btv->freq = f->frequency; |
0020d3ef | 1921 | bttv_call_i2c_clients(btv,VIDIOC_S_FREQUENCY,f); |
1da177e4 LT |
1922 | if (btv->has_matchbox && btv->radio_user) |
1923 | tea5757_set_freq(btv,btv->freq); | |
bd5f0ac9 | 1924 | mutex_unlock(&btv->lock); |
1da177e4 LT |
1925 | return 0; |
1926 | } | |
299392bf HV |
1927 | case VIDIOC_LOG_STATUS: |
1928 | { | |
0020d3ef | 1929 | printk(KERN_INFO "bttv%d: ================= START STATUS CARD #%d =================\n", btv->c.nr, btv->c.nr); |
97cb445d | 1930 | bttv_call_i2c_clients(btv, VIDIOC_LOG_STATUS, NULL); |
0020d3ef | 1931 | printk(KERN_INFO "bttv%d: ================== END STATUS CARD #%d ==================\n", btv->c.nr, btv->c.nr); |
299392bf HV |
1932 | return 0; |
1933 | } | |
1da177e4 LT |
1934 | |
1935 | default: | |
1936 | return -ENOIOCTLCMD; | |
1937 | ||
1938 | } | |
1939 | return 0; | |
1940 | } | |
1941 | ||
1942 | static int verify_window(const struct bttv_tvnorm *tvn, | |
1943 | struct v4l2_window *win, int fixup) | |
1944 | { | |
1945 | enum v4l2_field field; | |
1946 | int maxw, maxh; | |
1947 | ||
1948 | if (win->w.width < 48 || win->w.height < 32) | |
1949 | return -EINVAL; | |
1950 | if (win->clipcount > 2048) | |
1951 | return -EINVAL; | |
1952 | ||
1953 | field = win->field; | |
1954 | maxw = tvn->swidth; | |
1955 | maxh = tvn->sheight; | |
1956 | ||
1957 | if (V4L2_FIELD_ANY == field) { | |
1958 | field = (win->w.height > maxh/2) | |
1959 | ? V4L2_FIELD_INTERLACED | |
1960 | : V4L2_FIELD_TOP; | |
1961 | } | |
1962 | switch (field) { | |
1963 | case V4L2_FIELD_TOP: | |
1964 | case V4L2_FIELD_BOTTOM: | |
1965 | maxh = maxh / 2; | |
1966 | break; | |
1967 | case V4L2_FIELD_INTERLACED: | |
1968 | break; | |
1969 | default: | |
1970 | return -EINVAL; | |
1971 | } | |
1972 | ||
1973 | if (!fixup && (win->w.width > maxw || win->w.height > maxh)) | |
1974 | return -EINVAL; | |
1975 | ||
1976 | if (win->w.width > maxw) | |
1977 | win->w.width = maxw; | |
1978 | if (win->w.height > maxh) | |
1979 | win->w.height = maxh; | |
1980 | win->field = field; | |
1981 | return 0; | |
1982 | } | |
1983 | ||
1984 | static int setup_window(struct bttv_fh *fh, struct bttv *btv, | |
1985 | struct v4l2_window *win, int fixup) | |
1986 | { | |
1987 | struct v4l2_clip *clips = NULL; | |
1988 | int n,size,retval = 0; | |
1989 | ||
1990 | if (NULL == fh->ovfmt) | |
1991 | return -EINVAL; | |
1992 | if (!(fh->ovfmt->flags & FORMAT_FLAGS_PACKED)) | |
1993 | return -EINVAL; | |
1994 | retval = verify_window(&bttv_tvnorms[btv->tvnorm],win,fixup); | |
1995 | if (0 != retval) | |
1996 | return retval; | |
1997 | ||
1998 | /* copy clips -- luckily v4l1 + v4l2 are binary | |
1999 | compatible here ...*/ | |
2000 | n = win->clipcount; | |
2001 | size = sizeof(*clips)*(n+4); | |
2002 | clips = kmalloc(size,GFP_KERNEL); | |
2003 | if (NULL == clips) | |
2004 | return -ENOMEM; | |
2005 | if (n > 0) { | |
2006 | if (copy_from_user(clips,win->clips,sizeof(struct v4l2_clip)*n)) { | |
2007 | kfree(clips); | |
2008 | return -EFAULT; | |
2009 | } | |
2010 | } | |
2011 | /* clip against screen */ | |
2012 | if (NULL != btv->fbuf.base) | |
2013 | n = btcx_screen_clips(btv->fbuf.fmt.width, btv->fbuf.fmt.height, | |
2014 | &win->w, clips, n); | |
2015 | btcx_sort_clips(clips,n); | |
2016 | ||
2017 | /* 4-byte alignments */ | |
2018 | switch (fh->ovfmt->depth) { | |
2019 | case 8: | |
2020 | case 24: | |
2021 | btcx_align(&win->w, clips, n, 3); | |
2022 | break; | |
2023 | case 16: | |
2024 | btcx_align(&win->w, clips, n, 1); | |
2025 | break; | |
2026 | case 32: | |
2027 | /* no alignment fixups needed */ | |
2028 | break; | |
2029 | default: | |
2030 | BUG(); | |
2031 | } | |
2032 | ||
3593cab5 | 2033 | mutex_lock(&fh->cap.lock); |
674434c6 | 2034 | kfree(fh->ov.clips); |
1da177e4 LT |
2035 | fh->ov.clips = clips; |
2036 | fh->ov.nclips = n; | |
2037 | ||
2038 | fh->ov.w = win->w; | |
2039 | fh->ov.field = win->field; | |
2040 | fh->ov.setup_ok = 1; | |
2041 | btv->init.ov.w.width = win->w.width; | |
2042 | btv->init.ov.w.height = win->w.height; | |
2043 | btv->init.ov.field = win->field; | |
2044 | ||
2045 | /* update overlay if needed */ | |
2046 | retval = 0; | |
2047 | if (check_btres(fh, RESOURCE_OVERLAY)) { | |
2048 | struct bttv_buffer *new; | |
2049 | ||
2050 | new = videobuf_alloc(sizeof(*new)); | |
2051 | bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); | |
2052 | retval = bttv_switch_overlay(btv,fh,new); | |
2053 | } | |
3593cab5 | 2054 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
2055 | return retval; |
2056 | } | |
2057 | ||
2058 | /* ----------------------------------------------------------------------- */ | |
2059 | ||
2060 | static struct videobuf_queue* bttv_queue(struct bttv_fh *fh) | |
2061 | { | |
2062 | struct videobuf_queue* q = NULL; | |
2063 | ||
2064 | switch (fh->type) { | |
2065 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
2066 | q = &fh->cap; | |
2067 | break; | |
2068 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
2069 | q = &fh->vbi; | |
2070 | break; | |
2071 | default: | |
2072 | BUG(); | |
2073 | } | |
2074 | return q; | |
2075 | } | |
2076 | ||
2077 | static int bttv_resource(struct bttv_fh *fh) | |
2078 | { | |
2079 | int res = 0; | |
2080 | ||
2081 | switch (fh->type) { | |
2082 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
2083 | res = RESOURCE_VIDEO; | |
2084 | break; | |
2085 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
2086 | res = RESOURCE_VBI; | |
2087 | break; | |
2088 | default: | |
2089 | BUG(); | |
2090 | } | |
2091 | return res; | |
2092 | } | |
2093 | ||
2094 | static int bttv_switch_type(struct bttv_fh *fh, enum v4l2_buf_type type) | |
2095 | { | |
2096 | struct videobuf_queue *q = bttv_queue(fh); | |
2097 | int res = bttv_resource(fh); | |
2098 | ||
2099 | if (check_btres(fh,res)) | |
2100 | return -EBUSY; | |
2101 | if (videobuf_queue_is_busy(q)) | |
2102 | return -EBUSY; | |
2103 | fh->type = type; | |
2104 | return 0; | |
2105 | } | |
2106 | ||
c87c948e MS |
2107 | static void |
2108 | pix_format_set_size (struct v4l2_pix_format * f, | |
2109 | const struct bttv_format * fmt, | |
2110 | unsigned int width, | |
2111 | unsigned int height) | |
2112 | { | |
2113 | f->width = width; | |
2114 | f->height = height; | |
2115 | ||
2116 | if (fmt->flags & FORMAT_FLAGS_PLANAR) { | |
2117 | f->bytesperline = width; /* Y plane */ | |
2118 | f->sizeimage = (width * height * fmt->depth) >> 3; | |
2119 | } else { | |
2120 | f->bytesperline = (width * fmt->depth) >> 3; | |
2121 | f->sizeimage = height * f->bytesperline; | |
2122 | } | |
2123 | } | |
2124 | ||
1da177e4 LT |
2125 | static int bttv_g_fmt(struct bttv_fh *fh, struct v4l2_format *f) |
2126 | { | |
2127 | switch (f->type) { | |
2128 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
2129 | memset(&f->fmt.pix,0,sizeof(struct v4l2_pix_format)); | |
c87c948e MS |
2130 | pix_format_set_size (&f->fmt.pix, fh->fmt, |
2131 | fh->width, fh->height); | |
1da177e4 LT |
2132 | f->fmt.pix.field = fh->cap.field; |
2133 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
1da177e4 LT |
2134 | return 0; |
2135 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
2136 | memset(&f->fmt.win,0,sizeof(struct v4l2_window)); | |
2137 | f->fmt.win.w = fh->ov.w; | |
2138 | f->fmt.win.field = fh->ov.field; | |
2139 | return 0; | |
2140 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
2141 | bttv_vbi_get_fmt(fh,f); | |
2142 | return 0; | |
2143 | default: | |
2144 | return -EINVAL; | |
2145 | } | |
2146 | } | |
2147 | ||
2148 | static int bttv_try_fmt(struct bttv_fh *fh, struct bttv *btv, | |
2149 | struct v4l2_format *f) | |
2150 | { | |
2151 | switch (f->type) { | |
2152 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
2153 | { | |
2154 | const struct bttv_format *fmt; | |
2155 | enum v4l2_field field; | |
2156 | unsigned int maxw,maxh; | |
2157 | ||
2158 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
2159 | if (NULL == fmt) | |
2160 | return -EINVAL; | |
2161 | ||
2162 | /* fixup format */ | |
2163 | maxw = bttv_tvnorms[btv->tvnorm].swidth; | |
2164 | maxh = bttv_tvnorms[btv->tvnorm].sheight; | |
2165 | field = f->fmt.pix.field; | |
2166 | if (V4L2_FIELD_ANY == field) | |
2167 | field = (f->fmt.pix.height > maxh/2) | |
2168 | ? V4L2_FIELD_INTERLACED | |
2169 | : V4L2_FIELD_BOTTOM; | |
2170 | if (V4L2_FIELD_SEQ_BT == field) | |
2171 | field = V4L2_FIELD_SEQ_TB; | |
2172 | switch (field) { | |
2173 | case V4L2_FIELD_TOP: | |
2174 | case V4L2_FIELD_BOTTOM: | |
2175 | case V4L2_FIELD_ALTERNATE: | |
2176 | maxh = maxh/2; | |
2177 | break; | |
2178 | case V4L2_FIELD_INTERLACED: | |
2179 | break; | |
2180 | case V4L2_FIELD_SEQ_TB: | |
2181 | if (fmt->flags & FORMAT_FLAGS_PLANAR) | |
2182 | return -EINVAL; | |
2183 | break; | |
2184 | default: | |
2185 | return -EINVAL; | |
2186 | } | |
2187 | ||
2188 | /* update data for the application */ | |
2189 | f->fmt.pix.field = field; | |
2190 | if (f->fmt.pix.width < 48) | |
2191 | f->fmt.pix.width = 48; | |
2192 | if (f->fmt.pix.height < 32) | |
2193 | f->fmt.pix.height = 32; | |
2194 | if (f->fmt.pix.width > maxw) | |
2195 | f->fmt.pix.width = maxw; | |
2196 | if (f->fmt.pix.height > maxh) | |
2197 | f->fmt.pix.height = maxh; | |
c87c948e MS |
2198 | pix_format_set_size (&f->fmt.pix, fmt, |
2199 | f->fmt.pix.width & ~3, | |
2200 | f->fmt.pix.height); | |
1da177e4 LT |
2201 | |
2202 | return 0; | |
2203 | } | |
2204 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
2205 | return verify_window(&bttv_tvnorms[btv->tvnorm], | |
2206 | &f->fmt.win, 1); | |
2207 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
2208 | bttv_vbi_try_fmt(fh,f); | |
2209 | return 0; | |
2210 | default: | |
2211 | return -EINVAL; | |
2212 | } | |
2213 | } | |
2214 | ||
2215 | static int bttv_s_fmt(struct bttv_fh *fh, struct bttv *btv, | |
2216 | struct v4l2_format *f) | |
2217 | { | |
2218 | int retval; | |
2219 | ||
2220 | switch (f->type) { | |
2221 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
2222 | { | |
2223 | const struct bttv_format *fmt; | |
2224 | ||
2225 | retval = bttv_switch_type(fh,f->type); | |
2226 | if (0 != retval) | |
2227 | return retval; | |
2228 | retval = bttv_try_fmt(fh,btv,f); | |
2229 | if (0 != retval) | |
2230 | return retval; | |
2231 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
2232 | ||
2233 | /* update our state informations */ | |
3593cab5 | 2234 | mutex_lock(&fh->cap.lock); |
1da177e4 LT |
2235 | fh->fmt = fmt; |
2236 | fh->cap.field = f->fmt.pix.field; | |
2237 | fh->cap.last = V4L2_FIELD_NONE; | |
2238 | fh->width = f->fmt.pix.width; | |
2239 | fh->height = f->fmt.pix.height; | |
2240 | btv->init.fmt = fmt; | |
2241 | btv->init.width = f->fmt.pix.width; | |
2242 | btv->init.height = f->fmt.pix.height; | |
3593cab5 | 2243 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
2244 | |
2245 | return 0; | |
2246 | } | |
2247 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
4dcef524 MCC |
2248 | if (no_overlay > 0) { |
2249 | printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); | |
2250 | return -EINVAL; | |
2251 | } | |
1da177e4 LT |
2252 | return setup_window(fh, btv, &f->fmt.win, 1); |
2253 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
2254 | retval = bttv_switch_type(fh,f->type); | |
2255 | if (0 != retval) | |
2256 | return retval; | |
2257 | if (locked_btres(fh->btv, RESOURCE_VBI)) | |
4ac97914 | 2258 | return -EBUSY; |
1da177e4 LT |
2259 | bttv_vbi_try_fmt(fh,f); |
2260 | bttv_vbi_setlines(fh,btv,f->fmt.vbi.count[0]); | |
2261 | bttv_vbi_get_fmt(fh,f); | |
2262 | return 0; | |
2263 | default: | |
2264 | return -EINVAL; | |
2265 | } | |
2266 | } | |
2267 | ||
2268 | static int bttv_do_ioctl(struct inode *inode, struct file *file, | |
2269 | unsigned int cmd, void *arg) | |
2270 | { | |
2271 | struct bttv_fh *fh = file->private_data; | |
2272 | struct bttv *btv = fh->btv; | |
2273 | unsigned long flags; | |
2274 | int retval = 0; | |
2275 | ||
5e453dc7 MK |
2276 | if (bttv_debug > 1) |
2277 | v4l_print_ioctl(btv->c.name, cmd); | |
2278 | ||
1da177e4 LT |
2279 | if (btv->errors) |
2280 | bttv_reinit_bt848(btv); | |
2281 | ||
2282 | switch (cmd) { | |
4ac97914 MCC |
2283 | case VIDIOCSFREQ: |
2284 | case VIDIOCSTUNER: | |
2285 | case VIDIOCSCHAN: | |
1da177e4 LT |
2286 | case VIDIOC_S_CTRL: |
2287 | case VIDIOC_S_STD: | |
2288 | case VIDIOC_S_INPUT: | |
2289 | case VIDIOC_S_TUNER: | |
2290 | case VIDIOC_S_FREQUENCY: | |
2291 | retval = v4l2_prio_check(&btv->prio,&fh->prio); | |
2292 | if (0 != retval) | |
2293 | return retval; | |
2294 | }; | |
2295 | ||
2296 | switch (cmd) { | |
2297 | ||
2298 | /* *** v4l1 *** ************************************************ */ | |
2299 | case VIDIOCGCAP: | |
2300 | { | |
4ac97914 | 2301 | struct video_capability *cap = arg; |
1da177e4 LT |
2302 | |
2303 | memset(cap,0,sizeof(*cap)); | |
4ac97914 | 2304 | strcpy(cap->name,btv->video_dev->name); |
1da177e4 LT |
2305 | if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { |
2306 | /* vbi */ | |
2307 | cap->type = VID_TYPE_TUNER|VID_TYPE_TELETEXT; | |
2308 | } else { | |
2309 | /* others */ | |
2310 | cap->type = VID_TYPE_CAPTURE| | |
2311 | VID_TYPE_TUNER| | |
1da177e4 LT |
2312 | VID_TYPE_CLIPPING| |
2313 | VID_TYPE_SCALES; | |
4dcef524 MCC |
2314 | if (no_overlay <= 0) |
2315 | cap->type |= VID_TYPE_OVERLAY; | |
2316 | ||
1da177e4 LT |
2317 | cap->maxwidth = bttv_tvnorms[btv->tvnorm].swidth; |
2318 | cap->maxheight = bttv_tvnorms[btv->tvnorm].sheight; | |
2319 | cap->minwidth = 48; | |
2320 | cap->minheight = 32; | |
2321 | } | |
2322 | cap->channels = bttv_tvcards[btv->c.type].video_inputs; | |
2323 | cap->audios = bttv_tvcards[btv->c.type].audio_inputs; | |
4ac97914 | 2324 | return 0; |
1da177e4 LT |
2325 | } |
2326 | ||
2327 | case VIDIOCGPICT: | |
2328 | { | |
2329 | struct video_picture *pic = arg; | |
2330 | ||
2331 | memset(pic,0,sizeof(*pic)); | |
2332 | pic->brightness = btv->bright; | |
2333 | pic->contrast = btv->contrast; | |
2334 | pic->hue = btv->hue; | |
2335 | pic->colour = btv->saturation; | |
2336 | if (fh->fmt) { | |
2337 | pic->depth = fh->fmt->depth; | |
2338 | pic->palette = fh->fmt->palette; | |
2339 | } | |
2340 | return 0; | |
2341 | } | |
2342 | case VIDIOCSPICT: | |
2343 | { | |
2344 | struct video_picture *pic = arg; | |
2345 | const struct bttv_format *fmt; | |
2346 | ||
2347 | fmt = format_by_palette(pic->palette); | |
2348 | if (NULL == fmt) | |
2349 | return -EINVAL; | |
3593cab5 | 2350 | mutex_lock(&fh->cap.lock); |
1da177e4 LT |
2351 | if (fmt->depth != pic->depth) { |
2352 | retval = -EINVAL; | |
2353 | goto fh_unlock_and_return; | |
2354 | } | |
13c72805 MS |
2355 | if (fmt->flags & FORMAT_FLAGS_RAW) { |
2356 | /* VIDIOCMCAPTURE uses gbufsize, not RAW_BPL * | |
2357 | RAW_LINES * 2. F1 is stored at offset 0, F2 | |
2358 | at buffer size / 2. */ | |
2359 | fh->width = RAW_BPL; | |
2360 | fh->height = gbufsize / RAW_BPL; | |
2361 | btv->init.width = RAW_BPL; | |
2362 | btv->init.height = gbufsize / RAW_BPL; | |
2363 | } | |
1da177e4 LT |
2364 | fh->ovfmt = fmt; |
2365 | fh->fmt = fmt; | |
2366 | btv->init.ovfmt = fmt; | |
2367 | btv->init.fmt = fmt; | |
2368 | if (bigendian) { | |
2369 | /* dirty hack time: swap bytes for overlay if the | |
2370 | display adaptor is big endian (insmod option) */ | |
2371 | if (fmt->palette == VIDEO_PALETTE_RGB555 || | |
2372 | fmt->palette == VIDEO_PALETTE_RGB565 || | |
2373 | fmt->palette == VIDEO_PALETTE_RGB32) { | |
2374 | fh->ovfmt = fmt+1; | |
2375 | } | |
2376 | } | |
2377 | bt848_bright(btv,pic->brightness); | |
2378 | bt848_contrast(btv,pic->contrast); | |
2379 | bt848_hue(btv,pic->hue); | |
2380 | bt848_sat(btv,pic->colour); | |
3593cab5 | 2381 | mutex_unlock(&fh->cap.lock); |
4ac97914 | 2382 | return 0; |
1da177e4 LT |
2383 | } |
2384 | ||
2385 | case VIDIOCGWIN: | |
2386 | { | |
2387 | struct video_window *win = arg; | |
2388 | ||
2389 | memset(win,0,sizeof(*win)); | |
2390 | win->x = fh->ov.w.left; | |
2391 | win->y = fh->ov.w.top; | |
2392 | win->width = fh->ov.w.width; | |
2393 | win->height = fh->ov.w.height; | |
2394 | return 0; | |
2395 | } | |
2396 | case VIDIOCSWIN: | |
2397 | { | |
2398 | struct video_window *win = arg; | |
2399 | struct v4l2_window w2; | |
2400 | ||
4dcef524 MCC |
2401 | if (no_overlay > 0) { |
2402 | printk ("VIDIOCSWIN: no_overlay\n"); | |
2403 | return -EINVAL; | |
2404 | } | |
2405 | ||
1da177e4 LT |
2406 | w2.field = V4L2_FIELD_ANY; |
2407 | w2.w.left = win->x; | |
2408 | w2.w.top = win->y; | |
2409 | w2.w.width = win->width; | |
2410 | w2.w.height = win->height; | |
2411 | w2.clipcount = win->clipcount; | |
2412 | w2.clips = (struct v4l2_clip __user *)win->clips; | |
2413 | retval = setup_window(fh, btv, &w2, 0); | |
2414 | if (0 == retval) { | |
2415 | /* on v4l1 this ioctl affects the read() size too */ | |
2416 | fh->width = fh->ov.w.width; | |
2417 | fh->height = fh->ov.w.height; | |
2418 | btv->init.width = fh->ov.w.width; | |
2419 | btv->init.height = fh->ov.w.height; | |
2420 | } | |
2421 | return retval; | |
2422 | } | |
2423 | ||
2424 | case VIDIOCGFBUF: | |
2425 | { | |
2426 | struct video_buffer *fbuf = arg; | |
2427 | ||
2428 | fbuf->base = btv->fbuf.base; | |
2429 | fbuf->width = btv->fbuf.fmt.width; | |
2430 | fbuf->height = btv->fbuf.fmt.height; | |
2431 | fbuf->bytesperline = btv->fbuf.fmt.bytesperline; | |
2432 | if (fh->ovfmt) | |
2433 | fbuf->depth = fh->ovfmt->depth; | |
2434 | return 0; | |
2435 | } | |
2436 | case VIDIOCSFBUF: | |
2437 | { | |
2438 | struct video_buffer *fbuf = arg; | |
2439 | const struct bttv_format *fmt; | |
2440 | unsigned long end; | |
2441 | ||
2442 | if(!capable(CAP_SYS_ADMIN) && | |
4ac97914 MCC |
2443 | !capable(CAP_SYS_RAWIO)) |
2444 | return -EPERM; | |
1da177e4 LT |
2445 | end = (unsigned long)fbuf->base + |
2446 | fbuf->height * fbuf->bytesperline; | |
3593cab5 | 2447 | mutex_lock(&fh->cap.lock); |
1da177e4 LT |
2448 | retval = -EINVAL; |
2449 | ||
2450 | switch (fbuf->depth) { | |
2451 | case 8: | |
2452 | fmt = format_by_palette(VIDEO_PALETTE_HI240); | |
2453 | break; | |
2454 | case 16: | |
2455 | fmt = format_by_palette(VIDEO_PALETTE_RGB565); | |
2456 | break; | |
2457 | case 24: | |
2458 | fmt = format_by_palette(VIDEO_PALETTE_RGB24); | |
2459 | break; | |
2460 | case 32: | |
2461 | fmt = format_by_palette(VIDEO_PALETTE_RGB32); | |
2462 | break; | |
2463 | case 15: | |
2464 | fbuf->depth = 16; | |
2465 | fmt = format_by_palette(VIDEO_PALETTE_RGB555); | |
2466 | break; | |
2467 | default: | |
2468 | fmt = NULL; | |
2469 | break; | |
2470 | } | |
2471 | if (NULL == fmt) | |
2472 | goto fh_unlock_and_return; | |
2473 | ||
2474 | fh->ovfmt = fmt; | |
2475 | fh->fmt = fmt; | |
2476 | btv->init.ovfmt = fmt; | |
2477 | btv->init.fmt = fmt; | |
2478 | btv->fbuf.base = fbuf->base; | |
2479 | btv->fbuf.fmt.width = fbuf->width; | |
2480 | btv->fbuf.fmt.height = fbuf->height; | |
2481 | if (fbuf->bytesperline) | |
2482 | btv->fbuf.fmt.bytesperline = fbuf->bytesperline; | |
2483 | else | |
2484 | btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fbuf->depth/8; | |
3593cab5 | 2485 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
2486 | return 0; |
2487 | } | |
2488 | ||
2489 | case VIDIOCCAPTURE: | |
2490 | case VIDIOC_OVERLAY: | |
2491 | { | |
2492 | struct bttv_buffer *new; | |
2493 | int *on = arg; | |
2494 | ||
2495 | if (*on) { | |
2496 | /* verify args */ | |
2497 | if (NULL == btv->fbuf.base) | |
2498 | return -EINVAL; | |
2499 | if (!fh->ov.setup_ok) { | |
2500 | dprintk("bttv%d: overlay: !setup_ok\n",btv->c.nr); | |
2501 | return -EINVAL; | |
2502 | } | |
2503 | } | |
2504 | ||
2505 | if (!check_alloc_btres(btv,fh,RESOURCE_OVERLAY)) | |
2506 | return -EBUSY; | |
2507 | ||
3593cab5 | 2508 | mutex_lock(&fh->cap.lock); |
1da177e4 LT |
2509 | if (*on) { |
2510 | fh->ov.tvnorm = btv->tvnorm; | |
2511 | new = videobuf_alloc(sizeof(*new)); | |
2512 | bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); | |
2513 | } else { | |
2514 | new = NULL; | |
2515 | } | |
2516 | ||
2517 | /* switch over */ | |
4ac97914 | 2518 | retval = bttv_switch_overlay(btv,fh,new); |
3593cab5 | 2519 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
2520 | return retval; |
2521 | } | |
2522 | ||
2523 | case VIDIOCGMBUF: | |
2524 | { | |
2525 | struct video_mbuf *mbuf = arg; | |
2526 | unsigned int i; | |
2527 | ||
3593cab5 | 2528 | mutex_lock(&fh->cap.lock); |
1da177e4 LT |
2529 | retval = videobuf_mmap_setup(&fh->cap,gbuffers,gbufsize, |
2530 | V4L2_MEMORY_MMAP); | |
2531 | if (retval < 0) | |
2532 | goto fh_unlock_and_return; | |
2533 | memset(mbuf,0,sizeof(*mbuf)); | |
2534 | mbuf->frames = gbuffers; | |
2535 | mbuf->size = gbuffers * gbufsize; | |
2536 | for (i = 0; i < gbuffers; i++) | |
2537 | mbuf->offsets[i] = i * gbufsize; | |
3593cab5 | 2538 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
2539 | return 0; |
2540 | } | |
2541 | case VIDIOCMCAPTURE: | |
2542 | { | |
2543 | struct video_mmap *vm = arg; | |
2544 | struct bttv_buffer *buf; | |
2545 | enum v4l2_field field; | |
2546 | ||
2547 | if (vm->frame >= VIDEO_MAX_FRAME) | |
2548 | return -EINVAL; | |
2549 | ||
3593cab5 | 2550 | mutex_lock(&fh->cap.lock); |
1da177e4 LT |
2551 | retval = -EINVAL; |
2552 | buf = (struct bttv_buffer *)fh->cap.bufs[vm->frame]; | |
2553 | if (NULL == buf) | |
2554 | goto fh_unlock_and_return; | |
2555 | if (0 == buf->vb.baddr) | |
2556 | goto fh_unlock_and_return; | |
2557 | if (buf->vb.state == STATE_QUEUED || | |
2558 | buf->vb.state == STATE_ACTIVE) | |
2559 | goto fh_unlock_and_return; | |
2560 | ||
2561 | field = (vm->height > bttv_tvnorms[btv->tvnorm].sheight/2) | |
2562 | ? V4L2_FIELD_INTERLACED | |
2563 | : V4L2_FIELD_BOTTOM; | |
c7b0ac05 | 2564 | retval = bttv_prepare_buffer(&fh->cap,btv,buf, |
1da177e4 LT |
2565 | format_by_palette(vm->format), |
2566 | vm->width,vm->height,field); | |
2567 | if (0 != retval) | |
2568 | goto fh_unlock_and_return; | |
2569 | spin_lock_irqsave(&btv->s_lock,flags); | |
2570 | buffer_queue(&fh->cap,&buf->vb); | |
2571 | spin_unlock_irqrestore(&btv->s_lock,flags); | |
3593cab5 | 2572 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
2573 | return 0; |
2574 | } | |
2575 | case VIDIOCSYNC: | |
2576 | { | |
2577 | int *frame = arg; | |
2578 | struct bttv_buffer *buf; | |
2579 | ||
2580 | if (*frame >= VIDEO_MAX_FRAME) | |
2581 | return -EINVAL; | |
2582 | ||
3593cab5 | 2583 | mutex_lock(&fh->cap.lock); |
1da177e4 LT |
2584 | retval = -EINVAL; |
2585 | buf = (struct bttv_buffer *)fh->cap.bufs[*frame]; | |
2586 | if (NULL == buf) | |
2587 | goto fh_unlock_and_return; | |
2588 | retval = videobuf_waiton(&buf->vb,0,1); | |
2589 | if (0 != retval) | |
2590 | goto fh_unlock_and_return; | |
2591 | switch (buf->vb.state) { | |
2592 | case STATE_ERROR: | |
2593 | retval = -EIO; | |
2594 | /* fall through */ | |
2595 | case STATE_DONE: | |
c7b0ac05 MCC |
2596 | videobuf_dma_sync(&fh->cap,&buf->vb.dma); |
2597 | bttv_dma_free(&fh->cap,btv,buf); | |
1da177e4 LT |
2598 | break; |
2599 | default: | |
2600 | retval = -EINVAL; | |
2601 | break; | |
2602 | } | |
3593cab5 | 2603 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
2604 | return retval; |
2605 | } | |
2606 | ||
2607 | case VIDIOCGVBIFMT: | |
2608 | { | |
2609 | struct vbi_format *fmt = (void *) arg; | |
2610 | struct v4l2_format fmt2; | |
2611 | ||
2612 | if (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE) { | |
2613 | retval = bttv_switch_type(fh,V4L2_BUF_TYPE_VBI_CAPTURE); | |
2614 | if (0 != retval) | |
2615 | return retval; | |
2616 | } | |
2617 | bttv_vbi_get_fmt(fh, &fmt2); | |
2618 | ||
2619 | memset(fmt,0,sizeof(*fmt)); | |
2620 | fmt->sampling_rate = fmt2.fmt.vbi.sampling_rate; | |
2621 | fmt->samples_per_line = fmt2.fmt.vbi.samples_per_line; | |
2622 | fmt->sample_format = VIDEO_PALETTE_RAW; | |
2623 | fmt->start[0] = fmt2.fmt.vbi.start[0]; | |
2624 | fmt->count[0] = fmt2.fmt.vbi.count[0]; | |
2625 | fmt->start[1] = fmt2.fmt.vbi.start[1]; | |
2626 | fmt->count[1] = fmt2.fmt.vbi.count[1]; | |
67f1570a MS |
2627 | if (fmt2.fmt.vbi.flags & V4L2_VBI_UNSYNC) |
2628 | fmt->flags |= VBI_UNSYNC; | |
2629 | if (fmt2.fmt.vbi.flags & V4L2_VBI_INTERLACED) | |
2630 | fmt->flags |= VBI_INTERLACED; | |
1da177e4 LT |
2631 | return 0; |
2632 | } | |
2633 | case VIDIOCSVBIFMT: | |
2634 | { | |
2635 | struct vbi_format *fmt = (void *) arg; | |
2636 | struct v4l2_format fmt2; | |
2637 | ||
2638 | retval = bttv_switch_type(fh,V4L2_BUF_TYPE_VBI_CAPTURE); | |
2639 | if (0 != retval) | |
2640 | return retval; | |
2641 | bttv_vbi_get_fmt(fh, &fmt2); | |
2642 | ||
2643 | if (fmt->sampling_rate != fmt2.fmt.vbi.sampling_rate || | |
2644 | fmt->samples_per_line != fmt2.fmt.vbi.samples_per_line || | |
2645 | fmt->sample_format != VIDEO_PALETTE_RAW || | |
2646 | fmt->start[0] != fmt2.fmt.vbi.start[0] || | |
2647 | fmt->start[1] != fmt2.fmt.vbi.start[1] || | |
2648 | fmt->count[0] != fmt->count[1] || | |
2649 | fmt->count[0] < 1 || | |
2650 | fmt->count[0] > 32 /* VBI_MAXLINES */) | |
2651 | return -EINVAL; | |
2652 | ||
2653 | bttv_vbi_setlines(fh,btv,fmt->count[0]); | |
2654 | return 0; | |
2655 | } | |
2656 | ||
4ac97914 MCC |
2657 | case BTTV_VERSION: |
2658 | case VIDIOCGFREQ: | |
2659 | case VIDIOCSFREQ: | |
2660 | case VIDIOCGTUNER: | |
2661 | case VIDIOCSTUNER: | |
2662 | case VIDIOCGCHAN: | |
2663 | case VIDIOCSCHAN: | |
1da177e4 LT |
2664 | case VIDIOCGAUDIO: |
2665 | case VIDIOCSAUDIO: | |
2666 | return bttv_common_ioctls(btv,cmd,arg); | |
2667 | ||
2668 | /* *** v4l2 *** ************************************************ */ | |
2669 | case VIDIOC_QUERYCAP: | |
2670 | { | |
2671 | struct v4l2_capability *cap = arg; | |
2672 | ||
2673 | if (0 == v4l2) | |
2674 | return -EINVAL; | |
bbf7871e MS |
2675 | memset(cap, 0, sizeof (*cap)); |
2676 | strlcpy(cap->driver, "bttv", sizeof (cap->driver)); | |
2677 | strlcpy(cap->card, btv->video_dev->name, sizeof (cap->card)); | |
2678 | snprintf(cap->bus_info, sizeof (cap->bus_info), | |
2679 | "PCI:%s", pci_name(btv->c.pci)); | |
1da177e4 LT |
2680 | cap->version = BTTV_VERSION_CODE; |
2681 | cap->capabilities = | |
2682 | V4L2_CAP_VIDEO_CAPTURE | | |
1da177e4 LT |
2683 | V4L2_CAP_VBI_CAPTURE | |
2684 | V4L2_CAP_READWRITE | | |
2685 | V4L2_CAP_STREAMING; | |
4dcef524 MCC |
2686 | if (no_overlay <= 0) |
2687 | cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY; | |
2688 | ||
1da177e4 LT |
2689 | if (bttv_tvcards[btv->c.type].tuner != UNSET && |
2690 | bttv_tvcards[btv->c.type].tuner != TUNER_ABSENT) | |
2691 | cap->capabilities |= V4L2_CAP_TUNER; | |
2692 | return 0; | |
2693 | } | |
2694 | ||
2695 | case VIDIOC_ENUM_FMT: | |
2696 | { | |
2697 | struct v4l2_fmtdesc *f = arg; | |
2698 | enum v4l2_buf_type type; | |
2699 | unsigned int i; | |
2700 | int index; | |
2701 | ||
2702 | type = f->type; | |
2703 | if (V4L2_BUF_TYPE_VBI_CAPTURE == type) { | |
2704 | /* vbi */ | |
2705 | index = f->index; | |
2706 | if (0 != index) | |
2707 | return -EINVAL; | |
2708 | memset(f,0,sizeof(*f)); | |
2709 | f->index = index; | |
2710 | f->type = type; | |
2711 | f->pixelformat = V4L2_PIX_FMT_GREY; | |
2712 | strcpy(f->description,"vbi data"); | |
2713 | return 0; | |
2714 | } | |
2715 | ||
2716 | /* video capture + overlay */ | |
2717 | index = -1; | |
2718 | for (i = 0; i < BTTV_FORMATS; i++) { | |
2719 | if (bttv_formats[i].fourcc != -1) | |
2720 | index++; | |
2721 | if ((unsigned int)index == f->index) | |
2722 | break; | |
2723 | } | |
2724 | if (BTTV_FORMATS == i) | |
2725 | return -EINVAL; | |
2726 | ||
2727 | switch (f->type) { | |
2728 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
2729 | break; | |
2730 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
2731 | if (!(bttv_formats[i].flags & FORMAT_FLAGS_PACKED)) | |
2732 | return -EINVAL; | |
2733 | break; | |
2734 | default: | |
2735 | return -EINVAL; | |
2736 | } | |
2737 | memset(f,0,sizeof(*f)); | |
2738 | f->index = index; | |
2739 | f->type = type; | |
2740 | f->pixelformat = bttv_formats[i].fourcc; | |
2741 | strlcpy(f->description,bttv_formats[i].name,sizeof(f->description)); | |
2742 | return 0; | |
2743 | } | |
2744 | ||
2745 | case VIDIOC_TRY_FMT: | |
2746 | { | |
2747 | struct v4l2_format *f = arg; | |
2748 | return bttv_try_fmt(fh,btv,f); | |
2749 | } | |
2750 | case VIDIOC_G_FMT: | |
2751 | { | |
2752 | struct v4l2_format *f = arg; | |
2753 | return bttv_g_fmt(fh,f); | |
2754 | } | |
2755 | case VIDIOC_S_FMT: | |
2756 | { | |
2757 | struct v4l2_format *f = arg; | |
2758 | return bttv_s_fmt(fh,btv,f); | |
2759 | } | |
2760 | ||
2761 | case VIDIOC_G_FBUF: | |
2762 | { | |
2763 | struct v4l2_framebuffer *fb = arg; | |
2764 | ||
2765 | *fb = btv->fbuf; | |
2766 | fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; | |
2767 | if (fh->ovfmt) | |
2768 | fb->fmt.pixelformat = fh->ovfmt->fourcc; | |
2769 | return 0; | |
2770 | } | |
2771 | case VIDIOC_S_FBUF: | |
2772 | { | |
2773 | struct v4l2_framebuffer *fb = arg; | |
2774 | const struct bttv_format *fmt; | |
2775 | ||
2776 | if(!capable(CAP_SYS_ADMIN) && | |
2777 | !capable(CAP_SYS_RAWIO)) | |
2778 | return -EPERM; | |
2779 | ||
2780 | /* check args */ | |
2781 | fmt = format_by_fourcc(fb->fmt.pixelformat); | |
2782 | if (NULL == fmt) | |
2783 | return -EINVAL; | |
2784 | if (0 == (fmt->flags & FORMAT_FLAGS_PACKED)) | |
2785 | return -EINVAL; | |
2786 | ||
3593cab5 | 2787 | mutex_lock(&fh->cap.lock); |
1da177e4 LT |
2788 | retval = -EINVAL; |
2789 | if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) { | |
2790 | if (fb->fmt.width > bttv_tvnorms[btv->tvnorm].swidth) | |
2791 | goto fh_unlock_and_return; | |
2792 | if (fb->fmt.height > bttv_tvnorms[btv->tvnorm].sheight) | |
2793 | goto fh_unlock_and_return; | |
2794 | } | |
2795 | ||
2796 | /* ok, accept it */ | |
2797 | btv->fbuf.base = fb->base; | |
2798 | btv->fbuf.fmt.width = fb->fmt.width; | |
2799 | btv->fbuf.fmt.height = fb->fmt.height; | |
2800 | if (0 != fb->fmt.bytesperline) | |
2801 | btv->fbuf.fmt.bytesperline = fb->fmt.bytesperline; | |
2802 | else | |
2803 | btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fmt->depth/8; | |
2804 | ||
2805 | retval = 0; | |
2806 | fh->ovfmt = fmt; | |
2807 | btv->init.ovfmt = fmt; | |
2808 | if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) { | |
2809 | fh->ov.w.left = 0; | |
2810 | fh->ov.w.top = 0; | |
2811 | fh->ov.w.width = fb->fmt.width; | |
2812 | fh->ov.w.height = fb->fmt.height; | |
2813 | btv->init.ov.w.width = fb->fmt.width; | |
2814 | btv->init.ov.w.height = fb->fmt.height; | |
674434c6 | 2815 | kfree(fh->ov.clips); |
1da177e4 LT |
2816 | fh->ov.clips = NULL; |
2817 | fh->ov.nclips = 0; | |
2818 | ||
2819 | if (check_btres(fh, RESOURCE_OVERLAY)) { | |
2820 | struct bttv_buffer *new; | |
2821 | ||
2822 | new = videobuf_alloc(sizeof(*new)); | |
2823 | bttv_overlay_risc(btv,&fh->ov,fh->ovfmt,new); | |
2824 | retval = bttv_switch_overlay(btv,fh,new); | |
2825 | } | |
2826 | } | |
3593cab5 | 2827 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
2828 | return retval; |
2829 | } | |
2830 | ||
2831 | case VIDIOC_REQBUFS: | |
2832 | return videobuf_reqbufs(bttv_queue(fh),arg); | |
2833 | ||
2834 | case VIDIOC_QUERYBUF: | |
2835 | return videobuf_querybuf(bttv_queue(fh),arg); | |
2836 | ||
2837 | case VIDIOC_QBUF: | |
2838 | return videobuf_qbuf(bttv_queue(fh),arg); | |
2839 | ||
2840 | case VIDIOC_DQBUF: | |
2841 | return videobuf_dqbuf(bttv_queue(fh),arg, | |
2842 | file->f_flags & O_NONBLOCK); | |
2843 | ||
2844 | case VIDIOC_STREAMON: | |
2845 | { | |
2846 | int res = bttv_resource(fh); | |
2847 | ||
2848 | if (!check_alloc_btres(btv,fh,res)) | |
2849 | return -EBUSY; | |
2850 | return videobuf_streamon(bttv_queue(fh)); | |
2851 | } | |
2852 | case VIDIOC_STREAMOFF: | |
2853 | { | |
2854 | int res = bttv_resource(fh); | |
2855 | ||
2856 | retval = videobuf_streamoff(bttv_queue(fh)); | |
2857 | if (retval < 0) | |
2858 | return retval; | |
2859 | free_btres(btv,fh,res); | |
2860 | return 0; | |
2861 | } | |
2862 | ||
2863 | case VIDIOC_QUERYCTRL: | |
2864 | { | |
2865 | struct v4l2_queryctrl *c = arg; | |
2866 | int i; | |
2867 | ||
2868 | if ((c->id < V4L2_CID_BASE || | |
2869 | c->id >= V4L2_CID_LASTP1) && | |
2870 | (c->id < V4L2_CID_PRIVATE_BASE || | |
2871 | c->id >= V4L2_CID_PRIVATE_LASTP1)) | |
2872 | return -EINVAL; | |
2873 | for (i = 0; i < BTTV_CTLS; i++) | |
2874 | if (bttv_ctls[i].id == c->id) | |
2875 | break; | |
2876 | if (i == BTTV_CTLS) { | |
2877 | *c = no_ctl; | |
2878 | return 0; | |
2879 | } | |
2880 | *c = bttv_ctls[i]; | |
0020d3ef | 2881 | if (btv->audio_hook && i >= 4 && i <= 8) { |
1da177e4 LT |
2882 | struct video_audio va; |
2883 | memset(&va,0,sizeof(va)); | |
0020d3ef | 2884 | btv->audio_hook(btv,&va,0); |
1da177e4 LT |
2885 | switch (bttv_ctls[i].id) { |
2886 | case V4L2_CID_AUDIO_VOLUME: | |
2887 | if (!(va.flags & VIDEO_AUDIO_VOLUME)) | |
2888 | *c = no_ctl; | |
2889 | break; | |
2890 | case V4L2_CID_AUDIO_BALANCE: | |
2891 | if (!(va.flags & VIDEO_AUDIO_BALANCE)) | |
2892 | *c = no_ctl; | |
2893 | break; | |
2894 | case V4L2_CID_AUDIO_BASS: | |
2895 | if (!(va.flags & VIDEO_AUDIO_BASS)) | |
2896 | *c = no_ctl; | |
2897 | break; | |
2898 | case V4L2_CID_AUDIO_TREBLE: | |
2899 | if (!(va.flags & VIDEO_AUDIO_TREBLE)) | |
2900 | *c = no_ctl; | |
2901 | break; | |
2902 | } | |
2903 | } | |
2904 | return 0; | |
2905 | } | |
2906 | case VIDIOC_G_CTRL: | |
2907 | return get_control(btv,arg); | |
2908 | case VIDIOC_S_CTRL: | |
2909 | return set_control(btv,arg); | |
2910 | case VIDIOC_G_PARM: | |
2911 | { | |
2912 | struct v4l2_streamparm *parm = arg; | |
2913 | struct v4l2_standard s; | |
2914 | if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
2915 | return -EINVAL; | |
2916 | memset(parm,0,sizeof(*parm)); | |
2917 | v4l2_video_std_construct(&s, bttv_tvnorms[btv->tvnorm].v4l2_id, | |
2918 | bttv_tvnorms[btv->tvnorm].name); | |
2919 | parm->parm.capture.timeperframe = s.frameperiod; | |
2920 | return 0; | |
2921 | } | |
2922 | ||
2923 | case VIDIOC_G_PRIORITY: | |
2924 | { | |
2925 | enum v4l2_priority *p = arg; | |
2926 | ||
2927 | *p = v4l2_prio_max(&btv->prio); | |
2928 | return 0; | |
2929 | } | |
2930 | case VIDIOC_S_PRIORITY: | |
2931 | { | |
2932 | enum v4l2_priority *prio = arg; | |
2933 | ||
2934 | return v4l2_prio_change(&btv->prio, &fh->prio, *prio); | |
2935 | } | |
2936 | ||
2937 | case VIDIOC_ENUMSTD: | |
2938 | case VIDIOC_G_STD: | |
2939 | case VIDIOC_S_STD: | |
2940 | case VIDIOC_ENUMINPUT: | |
2941 | case VIDIOC_G_INPUT: | |
2942 | case VIDIOC_S_INPUT: | |
2943 | case VIDIOC_G_TUNER: | |
2944 | case VIDIOC_S_TUNER: | |
2945 | case VIDIOC_G_FREQUENCY: | |
2946 | case VIDIOC_S_FREQUENCY: | |
299392bf | 2947 | case VIDIOC_LOG_STATUS: |
1da177e4 LT |
2948 | return bttv_common_ioctls(btv,cmd,arg); |
2949 | ||
2950 | default: | |
2951 | return -ENOIOCTLCMD; | |
2952 | } | |
2953 | return 0; | |
2954 | ||
2955 | fh_unlock_and_return: | |
3593cab5 | 2956 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
2957 | return retval; |
2958 | } | |
2959 | ||
2960 | static int bttv_ioctl(struct inode *inode, struct file *file, | |
2961 | unsigned int cmd, unsigned long arg) | |
2962 | { | |
2963 | struct bttv_fh *fh = file->private_data; | |
2964 | ||
2965 | switch (cmd) { | |
2966 | case BTTV_VBISIZE: | |
2967 | bttv_switch_type(fh,V4L2_BUF_TYPE_VBI_CAPTURE); | |
2968 | return fh->lines * 2 * 2048; | |
2969 | default: | |
2970 | return video_usercopy(inode, file, cmd, arg, bttv_do_ioctl); | |
2971 | } | |
2972 | } | |
2973 | ||
2974 | static ssize_t bttv_read(struct file *file, char __user *data, | |
2975 | size_t count, loff_t *ppos) | |
2976 | { | |
2977 | struct bttv_fh *fh = file->private_data; | |
2978 | int retval = 0; | |
2979 | ||
2980 | if (fh->btv->errors) | |
2981 | bttv_reinit_bt848(fh->btv); | |
2982 | dprintk("bttv%d: read count=%d type=%s\n", | |
2983 | fh->btv->c.nr,(int)count,v4l2_type_names[fh->type]); | |
2984 | ||
2985 | switch (fh->type) { | |
2986 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
2987 | if (locked_btres(fh->btv,RESOURCE_VIDEO)) | |
2988 | return -EBUSY; | |
2989 | retval = videobuf_read_one(&fh->cap, data, count, ppos, | |
2990 | file->f_flags & O_NONBLOCK); | |
2991 | break; | |
2992 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
2993 | if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI)) | |
2994 | return -EBUSY; | |
2995 | retval = videobuf_read_stream(&fh->vbi, data, count, ppos, 1, | |
2996 | file->f_flags & O_NONBLOCK); | |
2997 | break; | |
2998 | default: | |
2999 | BUG(); | |
3000 | } | |
3001 | return retval; | |
3002 | } | |
3003 | ||
3004 | static unsigned int bttv_poll(struct file *file, poll_table *wait) | |
3005 | { | |
3006 | struct bttv_fh *fh = file->private_data; | |
3007 | struct bttv_buffer *buf; | |
3008 | enum v4l2_field field; | |
3009 | ||
3010 | if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { | |
3011 | if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI)) | |
3012 | return POLLERR; | |
3013 | return videobuf_poll_stream(file, &fh->vbi, wait); | |
3014 | } | |
3015 | ||
3016 | if (check_btres(fh,RESOURCE_VIDEO)) { | |
3017 | /* streaming capture */ | |
3018 | if (list_empty(&fh->cap.stream)) | |
3019 | return POLLERR; | |
3020 | buf = list_entry(fh->cap.stream.next,struct bttv_buffer,vb.stream); | |
3021 | } else { | |
3022 | /* read() capture */ | |
3593cab5 | 3023 | mutex_lock(&fh->cap.lock); |
1da177e4 LT |
3024 | if (NULL == fh->cap.read_buf) { |
3025 | /* need to capture a new frame */ | |
3026 | if (locked_btres(fh->btv,RESOURCE_VIDEO)) { | |
3593cab5 | 3027 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
3028 | return POLLERR; |
3029 | } | |
3030 | fh->cap.read_buf = videobuf_alloc(fh->cap.msize); | |
3031 | if (NULL == fh->cap.read_buf) { | |
3593cab5 | 3032 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
3033 | return POLLERR; |
3034 | } | |
3035 | fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR; | |
3036 | field = videobuf_next_field(&fh->cap); | |
3037 | if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) { | |
50ab5edc NS |
3038 | kfree (fh->cap.read_buf); |
3039 | fh->cap.read_buf = NULL; | |
3593cab5 | 3040 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
3041 | return POLLERR; |
3042 | } | |
3043 | fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf); | |
3044 | fh->cap.read_off = 0; | |
3045 | } | |
3593cab5 | 3046 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
3047 | buf = (struct bttv_buffer*)fh->cap.read_buf; |
3048 | } | |
3049 | ||
3050 | poll_wait(file, &buf->vb.done, wait); | |
3051 | if (buf->vb.state == STATE_DONE || | |
3052 | buf->vb.state == STATE_ERROR) | |
3053 | return POLLIN|POLLRDNORM; | |
3054 | return 0; | |
3055 | } | |
3056 | ||
3057 | static int bttv_open(struct inode *inode, struct file *file) | |
3058 | { | |
3059 | int minor = iminor(inode); | |
3060 | struct bttv *btv = NULL; | |
3061 | struct bttv_fh *fh; | |
3062 | enum v4l2_buf_type type = 0; | |
3063 | unsigned int i; | |
3064 | ||
3065 | dprintk(KERN_DEBUG "bttv: open minor=%d\n",minor); | |
3066 | ||
3067 | for (i = 0; i < bttv_num; i++) { | |
3068 | if (bttvs[i].video_dev && | |
3069 | bttvs[i].video_dev->minor == minor) { | |
3070 | btv = &bttvs[i]; | |
3071 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
3072 | break; | |
3073 | } | |
3074 | if (bttvs[i].vbi_dev && | |
3075 | bttvs[i].vbi_dev->minor == minor) { | |
3076 | btv = &bttvs[i]; | |
3077 | type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
3078 | break; | |
3079 | } | |
3080 | } | |
3081 | if (NULL == btv) | |
3082 | return -ENODEV; | |
3083 | ||
3084 | dprintk(KERN_DEBUG "bttv%d: open called (type=%s)\n", | |
3085 | btv->c.nr,v4l2_type_names[type]); | |
3086 | ||
3087 | /* allocate per filehandle data */ | |
3088 | fh = kmalloc(sizeof(*fh),GFP_KERNEL); | |
3089 | if (NULL == fh) | |
3090 | return -ENOMEM; | |
3091 | file->private_data = fh; | |
3092 | *fh = btv->init; | |
3093 | fh->type = type; | |
3094 | fh->ov.setup_ok = 0; | |
3095 | v4l2_prio_open(&btv->prio,&fh->prio); | |
3096 | ||
3097 | videobuf_queue_init(&fh->cap, &bttv_video_qops, | |
3098 | btv->c.pci, &btv->s_lock, | |
3099 | V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
3100 | V4L2_FIELD_INTERLACED, | |
3101 | sizeof(struct bttv_buffer), | |
3102 | fh); | |
3103 | videobuf_queue_init(&fh->vbi, &bttv_vbi_qops, | |
3104 | btv->c.pci, &btv->s_lock, | |
3105 | V4L2_BUF_TYPE_VBI_CAPTURE, | |
3106 | V4L2_FIELD_SEQ_TB, | |
3107 | sizeof(struct bttv_buffer), | |
3108 | fh); | |
3109 | i2c_vidiocschan(btv); | |
3110 | ||
3111 | btv->users++; | |
3112 | if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) | |
3113 | bttv_vbi_setlines(fh,btv,16); | |
3114 | bttv_field_count(btv); | |
3115 | return 0; | |
3116 | } | |
3117 | ||
3118 | static int bttv_release(struct inode *inode, struct file *file) | |
3119 | { | |
3120 | struct bttv_fh *fh = file->private_data; | |
3121 | struct bttv *btv = fh->btv; | |
3122 | ||
3123 | /* turn off overlay */ | |
3124 | if (check_btres(fh, RESOURCE_OVERLAY)) | |
3125 | bttv_switch_overlay(btv,fh,NULL); | |
3126 | ||
3127 | /* stop video capture */ | |
3128 | if (check_btres(fh, RESOURCE_VIDEO)) { | |
3129 | videobuf_streamoff(&fh->cap); | |
3130 | free_btres(btv,fh,RESOURCE_VIDEO); | |
3131 | } | |
3132 | if (fh->cap.read_buf) { | |
3133 | buffer_release(&fh->cap,fh->cap.read_buf); | |
3134 | kfree(fh->cap.read_buf); | |
3135 | } | |
3136 | ||
3137 | /* stop vbi capture */ | |
3138 | if (check_btres(fh, RESOURCE_VBI)) { | |
3139 | if (fh->vbi.streaming) | |
3140 | videobuf_streamoff(&fh->vbi); | |
3141 | if (fh->vbi.reading) | |
3142 | videobuf_read_stop(&fh->vbi); | |
3143 | free_btres(btv,fh,RESOURCE_VBI); | |
3144 | } | |
3145 | ||
3146 | /* free stuff */ | |
3147 | videobuf_mmap_free(&fh->cap); | |
3148 | videobuf_mmap_free(&fh->vbi); | |
3149 | v4l2_prio_close(&btv->prio,&fh->prio); | |
3150 | file->private_data = NULL; | |
3151 | kfree(fh); | |
3152 | ||
3153 | btv->users--; | |
3154 | bttv_field_count(btv); | |
3155 | return 0; | |
3156 | } | |
3157 | ||
3158 | static int | |
3159 | bttv_mmap(struct file *file, struct vm_area_struct *vma) | |
3160 | { | |
3161 | struct bttv_fh *fh = file->private_data; | |
3162 | ||
3163 | dprintk("bttv%d: mmap type=%s 0x%lx+%ld\n", | |
3164 | fh->btv->c.nr, v4l2_type_names[fh->type], | |
3165 | vma->vm_start, vma->vm_end - vma->vm_start); | |
3166 | return videobuf_mmap_mapper(bttv_queue(fh),vma); | |
3167 | } | |
3168 | ||
3169 | static struct file_operations bttv_fops = | |
3170 | { | |
3171 | .owner = THIS_MODULE, | |
3172 | .open = bttv_open, | |
3173 | .release = bttv_release, | |
3174 | .ioctl = bttv_ioctl, | |
0d0fbf81 | 3175 | .compat_ioctl = v4l_compat_ioctl32, |
1da177e4 LT |
3176 | .llseek = no_llseek, |
3177 | .read = bttv_read, | |
3178 | .mmap = bttv_mmap, | |
3179 | .poll = bttv_poll, | |
3180 | }; | |
3181 | ||
3182 | static struct video_device bttv_video_template = | |
3183 | { | |
3184 | .name = "UNSET", | |
4dcef524 | 3185 | .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER| |
4ac97914 | 3186 | VID_TYPE_CLIPPING|VID_TYPE_SCALES, |
1da177e4 LT |
3187 | .hardware = VID_HARDWARE_BT848, |
3188 | .fops = &bttv_fops, | |
3189 | .minor = -1, | |
3190 | }; | |
3191 | ||
3192 | static struct video_device bttv_vbi_template = | |
3193 | { | |
3194 | .name = "bt848/878 vbi", | |
3195 | .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT, | |
3196 | .hardware = VID_HARDWARE_BT848, | |
3197 | .fops = &bttv_fops, | |
3198 | .minor = -1, | |
3199 | }; | |
3200 | ||
3201 | /* ----------------------------------------------------------------------- */ | |
3202 | /* radio interface */ | |
3203 | ||
3204 | static int radio_open(struct inode *inode, struct file *file) | |
3205 | { | |
3206 | int minor = iminor(inode); | |
3207 | struct bttv *btv = NULL; | |
3208 | unsigned int i; | |
3209 | ||
3210 | dprintk("bttv: open minor=%d\n",minor); | |
3211 | ||
3212 | for (i = 0; i < bttv_num; i++) { | |
3213 | if (bttvs[i].radio_dev->minor == minor) { | |
3214 | btv = &bttvs[i]; | |
3215 | break; | |
3216 | } | |
3217 | } | |
3218 | if (NULL == btv) | |
3219 | return -ENODEV; | |
3220 | ||
3221 | dprintk("bttv%d: open called (radio)\n",btv->c.nr); | |
bd5f0ac9 | 3222 | mutex_lock(&btv->lock); |
24a70fdc | 3223 | |
1da177e4 | 3224 | btv->radio_user++; |
24a70fdc | 3225 | |
1da177e4 LT |
3226 | file->private_data = btv; |
3227 | ||
8bf2f8e7 HV |
3228 | bttv_call_i2c_clients(btv,AUDC_SET_RADIO,NULL); |
3229 | audio_input(btv,TVAUDIO_INPUT_RADIO); | |
1da177e4 | 3230 | |
bd5f0ac9 | 3231 | mutex_unlock(&btv->lock); |
4ac97914 | 3232 | return 0; |
1da177e4 LT |
3233 | } |
3234 | ||
3235 | static int radio_release(struct inode *inode, struct file *file) | |
3236 | { | |
24a70fdc MCC |
3237 | struct bttv *btv = file->private_data; |
3238 | struct rds_command cmd; | |
1da177e4 LT |
3239 | |
3240 | btv->radio_user--; | |
24a70fdc MCC |
3241 | |
3242 | bttv_call_i2c_clients(btv, RDS_CMD_CLOSE, &cmd); | |
3243 | ||
1da177e4 LT |
3244 | return 0; |
3245 | } | |
3246 | ||
3247 | static int radio_do_ioctl(struct inode *inode, struct file *file, | |
3248 | unsigned int cmd, void *arg) | |
3249 | { | |
3250 | struct bttv *btv = file->private_data; | |
3251 | ||
3252 | switch (cmd) { | |
3253 | case VIDIOCGCAP: | |
3254 | { | |
4ac97914 | 3255 | struct video_capability *cap = arg; |
1da177e4 LT |
3256 | |
3257 | memset(cap,0,sizeof(*cap)); | |
4ac97914 MCC |
3258 | strcpy(cap->name,btv->radio_dev->name); |
3259 | cap->type = VID_TYPE_TUNER; | |
1da177e4 LT |
3260 | cap->channels = 1; |
3261 | cap->audios = 1; | |
4ac97914 | 3262 | return 0; |
1da177e4 LT |
3263 | } |
3264 | ||
4ac97914 MCC |
3265 | case VIDIOCGTUNER: |
3266 | { | |
3267 | struct video_tuner *v = arg; | |
1da177e4 | 3268 | |
4ac97914 MCC |
3269 | if(v->tuner) |
3270 | return -EINVAL; | |
1da177e4 | 3271 | memset(v,0,sizeof(*v)); |
4ac97914 MCC |
3272 | strcpy(v->name, "Radio"); |
3273 | bttv_call_i2c_clients(btv,cmd,v); | |
3274 | return 0; | |
3275 | } | |
3276 | case VIDIOCSTUNER: | |
1da177e4 LT |
3277 | /* nothing to do */ |
3278 | return 0; | |
3279 | ||
3280 | case BTTV_VERSION: | |
4ac97914 MCC |
3281 | case VIDIOCGFREQ: |
3282 | case VIDIOCSFREQ: | |
1da177e4 LT |
3283 | case VIDIOCGAUDIO: |
3284 | case VIDIOCSAUDIO: | |
5af0c8f6 | 3285 | case VIDIOC_LOG_STATUS: |
1da177e4 LT |
3286 | return bttv_common_ioctls(btv,cmd,arg); |
3287 | ||
3288 | default: | |
3289 | return -ENOIOCTLCMD; | |
3290 | } | |
3291 | return 0; | |
3292 | } | |
3293 | ||
3294 | static int radio_ioctl(struct inode *inode, struct file *file, | |
3295 | unsigned int cmd, unsigned long arg) | |
3296 | { | |
3297 | return video_usercopy(inode, file, cmd, arg, radio_do_ioctl); | |
3298 | } | |
3299 | ||
24a70fdc MCC |
3300 | static ssize_t radio_read(struct file *file, char __user *data, |
3301 | size_t count, loff_t *ppos) | |
3302 | { | |
3303 | struct bttv *btv = file->private_data; | |
3304 | struct rds_command cmd; | |
3305 | cmd.block_count = count/3; | |
3306 | cmd.buffer = data; | |
3307 | cmd.instance = file; | |
3308 | cmd.result = -ENODEV; | |
3309 | ||
3310 | bttv_call_i2c_clients(btv, RDS_CMD_READ, &cmd); | |
3311 | ||
3312 | return cmd.result; | |
3313 | } | |
3314 | ||
3315 | static unsigned int radio_poll(struct file *file, poll_table *wait) | |
3316 | { | |
3317 | struct bttv *btv = file->private_data; | |
3318 | struct rds_command cmd; | |
3319 | cmd.instance = file; | |
3320 | cmd.event_list = wait; | |
3321 | cmd.result = -ENODEV; | |
3322 | bttv_call_i2c_clients(btv, RDS_CMD_POLL, &cmd); | |
3323 | ||
3324 | return cmd.result; | |
3325 | } | |
3326 | ||
1da177e4 LT |
3327 | static struct file_operations radio_fops = |
3328 | { | |
3329 | .owner = THIS_MODULE, | |
3330 | .open = radio_open, | |
24a70fdc | 3331 | .read = radio_read, |
1da177e4 LT |
3332 | .release = radio_release, |
3333 | .ioctl = radio_ioctl, | |
3334 | .llseek = no_llseek, | |
24a70fdc | 3335 | .poll = radio_poll, |
1da177e4 LT |
3336 | }; |
3337 | ||
3338 | static struct video_device radio_template = | |
3339 | { | |
3340 | .name = "bt848/878 radio", | |
3341 | .type = VID_TYPE_TUNER, | |
3342 | .hardware = VID_HARDWARE_BT848, | |
3343 | .fops = &radio_fops, | |
3344 | .minor = -1, | |
3345 | }; | |
3346 | ||
3347 | /* ----------------------------------------------------------------------- */ | |
3348 | /* some debug code */ | |
3349 | ||
408b664a | 3350 | static int bttv_risc_decode(u32 risc) |
1da177e4 LT |
3351 | { |
3352 | static char *instr[16] = { | |
3353 | [ BT848_RISC_WRITE >> 28 ] = "write", | |
3354 | [ BT848_RISC_SKIP >> 28 ] = "skip", | |
3355 | [ BT848_RISC_WRITEC >> 28 ] = "writec", | |
3356 | [ BT848_RISC_JUMP >> 28 ] = "jump", | |
3357 | [ BT848_RISC_SYNC >> 28 ] = "sync", | |
3358 | [ BT848_RISC_WRITE123 >> 28 ] = "write123", | |
3359 | [ BT848_RISC_SKIP123 >> 28 ] = "skip123", | |
3360 | [ BT848_RISC_WRITE1S23 >> 28 ] = "write1s23", | |
3361 | }; | |
3362 | static int incr[16] = { | |
3363 | [ BT848_RISC_WRITE >> 28 ] = 2, | |
3364 | [ BT848_RISC_JUMP >> 28 ] = 2, | |
3365 | [ BT848_RISC_SYNC >> 28 ] = 2, | |
3366 | [ BT848_RISC_WRITE123 >> 28 ] = 5, | |
3367 | [ BT848_RISC_SKIP123 >> 28 ] = 2, | |
3368 | [ BT848_RISC_WRITE1S23 >> 28 ] = 3, | |
3369 | }; | |
3370 | static char *bits[] = { | |
3371 | "be0", "be1", "be2", "be3/resync", | |
3372 | "set0", "set1", "set2", "set3", | |
3373 | "clr0", "clr1", "clr2", "clr3", | |
3374 | "irq", "res", "eol", "sol", | |
3375 | }; | |
3376 | int i; | |
3377 | ||
3378 | printk("0x%08x [ %s", risc, | |
3379 | instr[risc >> 28] ? instr[risc >> 28] : "INVALID"); | |
3380 | for (i = ARRAY_SIZE(bits)-1; i >= 0; i--) | |
3381 | if (risc & (1 << (i + 12))) | |
3382 | printk(" %s",bits[i]); | |
3383 | printk(" count=%d ]\n", risc & 0xfff); | |
3384 | return incr[risc >> 28] ? incr[risc >> 28] : 1; | |
3385 | } | |
3386 | ||
408b664a AB |
3387 | static void bttv_risc_disasm(struct bttv *btv, |
3388 | struct btcx_riscmem *risc) | |
1da177e4 LT |
3389 | { |
3390 | unsigned int i,j,n; | |
3391 | ||
3392 | printk("%s: risc disasm: %p [dma=0x%08lx]\n", | |
3393 | btv->c.name, risc->cpu, (unsigned long)risc->dma); | |
3394 | for (i = 0; i < (risc->size >> 2); i += n) { | |
3395 | printk("%s: 0x%lx: ", btv->c.name, | |
3396 | (unsigned long)(risc->dma + (i<<2))); | |
3397 | n = bttv_risc_decode(risc->cpu[i]); | |
3398 | for (j = 1; j < n; j++) | |
3399 | printk("%s: 0x%lx: 0x%08x [ arg #%d ]\n", | |
3400 | btv->c.name, (unsigned long)(risc->dma + ((i+j)<<2)), | |
3401 | risc->cpu[i+j], j); | |
3402 | if (0 == risc->cpu[i]) | |
3403 | break; | |
3404 | } | |
3405 | } | |
3406 | ||
3407 | static void bttv_print_riscaddr(struct bttv *btv) | |
3408 | { | |
3409 | printk(" main: %08Lx\n", | |
3410 | (unsigned long long)btv->main.dma); | |
3411 | printk(" vbi : o=%08Lx e=%08Lx\n", | |
3412 | btv->cvbi ? (unsigned long long)btv->cvbi->top.dma : 0, | |
3413 | btv->cvbi ? (unsigned long long)btv->cvbi->bottom.dma : 0); | |
3414 | printk(" cap : o=%08Lx e=%08Lx\n", | |
3415 | btv->curr.top ? (unsigned long long)btv->curr.top->top.dma : 0, | |
3416 | btv->curr.bottom ? (unsigned long long)btv->curr.bottom->bottom.dma : 0); | |
3417 | printk(" scr : o=%08Lx e=%08Lx\n", | |
3418 | btv->screen ? (unsigned long long)btv->screen->top.dma : 0, | |
3419 | btv->screen ? (unsigned long long)btv->screen->bottom.dma : 0); | |
3420 | bttv_risc_disasm(btv, &btv->main); | |
3421 | } | |
3422 | ||
3423 | /* ----------------------------------------------------------------------- */ | |
3424 | /* irq handler */ | |
3425 | ||
3426 | static char *irq_name[] = { | |
3427 | "FMTCHG", // format change detected (525 vs. 625) | |
3428 | "VSYNC", // vertical sync (new field) | |
3429 | "HSYNC", // horizontal sync | |
3430 | "OFLOW", // chroma/luma AGC overflow | |
3431 | "HLOCK", // horizontal lock changed | |
3432 | "VPRES", // video presence changed | |
3433 | "6", "7", | |
3434 | "I2CDONE", // hw irc operation finished | |
3435 | "GPINT", // gpio port triggered irq | |
3436 | "10", | |
3437 | "RISCI", // risc instruction triggered irq | |
3438 | "FBUS", // pixel data fifo dropped data (high pci bus latencies) | |
3439 | "FTRGT", // pixel data fifo overrun | |
3440 | "FDSR", // fifo data stream resyncronisation | |
3441 | "PPERR", // parity error (data transfer) | |
3442 | "RIPERR", // parity error (read risc instructions) | |
3443 | "PABORT", // pci abort | |
3444 | "OCERR", // risc instruction error | |
3445 | "SCERR", // syncronisation error | |
3446 | }; | |
3447 | ||
3448 | static void bttv_print_irqbits(u32 print, u32 mark) | |
3449 | { | |
3450 | unsigned int i; | |
3451 | ||
3452 | printk("bits:"); | |
3453 | for (i = 0; i < ARRAY_SIZE(irq_name); i++) { | |
3454 | if (print & (1 << i)) | |
3455 | printk(" %s",irq_name[i]); | |
3456 | if (mark & (1 << i)) | |
3457 | printk("*"); | |
3458 | } | |
3459 | } | |
3460 | ||
3461 | static void bttv_irq_debug_low_latency(struct bttv *btv, u32 rc) | |
3462 | { | |
3463 | printk("bttv%d: irq: skipped frame [main=%lx,o_vbi=%lx,o_field=%lx,rc=%lx]\n", | |
3464 | btv->c.nr, | |
3465 | (unsigned long)btv->main.dma, | |
3466 | (unsigned long)btv->main.cpu[RISC_SLOT_O_VBI+1], | |
3467 | (unsigned long)btv->main.cpu[RISC_SLOT_O_FIELD+1], | |
3468 | (unsigned long)rc); | |
3469 | ||
3470 | if (0 == (btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC)) { | |
3471 | printk("bttv%d: Oh, there (temporarely?) is no input signal. " | |
3472 | "Ok, then this is harmless, don't worry ;)\n", | |
3473 | btv->c.nr); | |
3474 | return; | |
3475 | } | |
3476 | printk("bttv%d: Uhm. Looks like we have unusual high IRQ latencies.\n", | |
3477 | btv->c.nr); | |
3478 | printk("bttv%d: Lets try to catch the culpit red-handed ...\n", | |
3479 | btv->c.nr); | |
3480 | dump_stack(); | |
3481 | } | |
3482 | ||
3483 | static int | |
3484 | bttv_irq_next_video(struct bttv *btv, struct bttv_buffer_set *set) | |
3485 | { | |
3486 | struct bttv_buffer *item; | |
3487 | ||
3488 | memset(set,0,sizeof(*set)); | |
3489 | ||
3490 | /* capture request ? */ | |
3491 | if (!list_empty(&btv->capture)) { | |
3492 | set->frame_irq = 1; | |
3493 | item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue); | |
3494 | if (V4L2_FIELD_HAS_TOP(item->vb.field)) | |
3495 | set->top = item; | |
3496 | if (V4L2_FIELD_HAS_BOTTOM(item->vb.field)) | |
3497 | set->bottom = item; | |
3498 | ||
3499 | /* capture request for other field ? */ | |
3500 | if (!V4L2_FIELD_HAS_BOTH(item->vb.field) && | |
3501 | (item->vb.queue.next != &btv->capture)) { | |
3502 | item = list_entry(item->vb.queue.next, struct bttv_buffer, vb.queue); | |
3503 | if (!V4L2_FIELD_HAS_BOTH(item->vb.field)) { | |
3504 | if (NULL == set->top && | |
3505 | V4L2_FIELD_TOP == item->vb.field) { | |
3506 | set->top = item; | |
3507 | } | |
3508 | if (NULL == set->bottom && | |
3509 | V4L2_FIELD_BOTTOM == item->vb.field) { | |
3510 | set->bottom = item; | |
3511 | } | |
3512 | if (NULL != set->top && NULL != set->bottom) | |
3513 | set->top_irq = 2; | |
3514 | } | |
3515 | } | |
3516 | } | |
3517 | ||
3518 | /* screen overlay ? */ | |
3519 | if (NULL != btv->screen) { | |
3520 | if (V4L2_FIELD_HAS_BOTH(btv->screen->vb.field)) { | |
3521 | if (NULL == set->top && NULL == set->bottom) { | |
3522 | set->top = btv->screen; | |
3523 | set->bottom = btv->screen; | |
3524 | } | |
3525 | } else { | |
3526 | if (V4L2_FIELD_TOP == btv->screen->vb.field && | |
3527 | NULL == set->top) { | |
3528 | set->top = btv->screen; | |
3529 | } | |
3530 | if (V4L2_FIELD_BOTTOM == btv->screen->vb.field && | |
3531 | NULL == set->bottom) { | |
3532 | set->bottom = btv->screen; | |
3533 | } | |
3534 | } | |
3535 | } | |
3536 | ||
3537 | dprintk("bttv%d: next set: top=%p bottom=%p [screen=%p,irq=%d,%d]\n", | |
3538 | btv->c.nr,set->top, set->bottom, | |
3539 | btv->screen,set->frame_irq,set->top_irq); | |
3540 | return 0; | |
3541 | } | |
3542 | ||
3543 | static void | |
3544 | bttv_irq_wakeup_video(struct bttv *btv, struct bttv_buffer_set *wakeup, | |
3545 | struct bttv_buffer_set *curr, unsigned int state) | |
3546 | { | |
3547 | struct timeval ts; | |
3548 | ||
3549 | do_gettimeofday(&ts); | |
3550 | ||
3551 | if (wakeup->top == wakeup->bottom) { | |
3552 | if (NULL != wakeup->top && curr->top != wakeup->top) { | |
3553 | if (irq_debug > 1) | |
3554 | printk("bttv%d: wakeup: both=%p\n",btv->c.nr,wakeup->top); | |
3555 | wakeup->top->vb.ts = ts; | |
3556 | wakeup->top->vb.field_count = btv->field_count; | |
3557 | wakeup->top->vb.state = state; | |
3558 | wake_up(&wakeup->top->vb.done); | |
3559 | } | |
3560 | } else { | |
3561 | if (NULL != wakeup->top && curr->top != wakeup->top) { | |
3562 | if (irq_debug > 1) | |
3563 | printk("bttv%d: wakeup: top=%p\n",btv->c.nr,wakeup->top); | |
3564 | wakeup->top->vb.ts = ts; | |
3565 | wakeup->top->vb.field_count = btv->field_count; | |
3566 | wakeup->top->vb.state = state; | |
3567 | wake_up(&wakeup->top->vb.done); | |
3568 | } | |
3569 | if (NULL != wakeup->bottom && curr->bottom != wakeup->bottom) { | |
3570 | if (irq_debug > 1) | |
3571 | printk("bttv%d: wakeup: bottom=%p\n",btv->c.nr,wakeup->bottom); | |
3572 | wakeup->bottom->vb.ts = ts; | |
3573 | wakeup->bottom->vb.field_count = btv->field_count; | |
3574 | wakeup->bottom->vb.state = state; | |
3575 | wake_up(&wakeup->bottom->vb.done); | |
3576 | } | |
3577 | } | |
3578 | } | |
3579 | ||
3580 | static void | |
3581 | bttv_irq_wakeup_vbi(struct bttv *btv, struct bttv_buffer *wakeup, | |
3582 | unsigned int state) | |
3583 | { | |
3584 | struct timeval ts; | |
3585 | ||
3586 | if (NULL == wakeup) | |
3587 | return; | |
3588 | ||
3589 | do_gettimeofday(&ts); | |
3590 | wakeup->vb.ts = ts; | |
3591 | wakeup->vb.field_count = btv->field_count; | |
3592 | wakeup->vb.state = state; | |
3593 | wake_up(&wakeup->vb.done); | |
3594 | } | |
3595 | ||
3596 | static void bttv_irq_timeout(unsigned long data) | |
3597 | { | |
3598 | struct bttv *btv = (struct bttv *)data; | |
3599 | struct bttv_buffer_set old,new; | |
3600 | struct bttv_buffer *ovbi; | |
3601 | struct bttv_buffer *item; | |
3602 | unsigned long flags; | |
3603 | ||
3604 | if (bttv_verbose) { | |
3605 | printk(KERN_INFO "bttv%d: timeout: drop=%d irq=%d/%d, risc=%08x, ", | |
3606 | btv->c.nr, btv->framedrop, btv->irq_me, btv->irq_total, | |
3607 | btread(BT848_RISC_COUNT)); | |
3608 | bttv_print_irqbits(btread(BT848_INT_STAT),0); | |
3609 | printk("\n"); | |
3610 | } | |
3611 | ||
3612 | spin_lock_irqsave(&btv->s_lock,flags); | |
3613 | ||
3614 | /* deactivate stuff */ | |
3615 | memset(&new,0,sizeof(new)); | |
3616 | old = btv->curr; | |
3617 | ovbi = btv->cvbi; | |
3618 | btv->curr = new; | |
3619 | btv->cvbi = NULL; | |
3620 | btv->loop_irq = 0; | |
3621 | bttv_buffer_activate_video(btv, &new); | |
3622 | bttv_buffer_activate_vbi(btv, NULL); | |
3623 | bttv_set_dma(btv, 0); | |
3624 | ||
3625 | /* wake up */ | |
3626 | bttv_irq_wakeup_video(btv, &old, &new, STATE_ERROR); | |
3627 | bttv_irq_wakeup_vbi(btv, ovbi, STATE_ERROR); | |
3628 | ||
3629 | /* cancel all outstanding capture / vbi requests */ | |
3630 | while (!list_empty(&btv->capture)) { | |
3631 | item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue); | |
3632 | list_del(&item->vb.queue); | |
3633 | item->vb.state = STATE_ERROR; | |
3634 | wake_up(&item->vb.done); | |
3635 | } | |
3636 | while (!list_empty(&btv->vcapture)) { | |
3637 | item = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue); | |
3638 | list_del(&item->vb.queue); | |
3639 | item->vb.state = STATE_ERROR; | |
3640 | wake_up(&item->vb.done); | |
3641 | } | |
3642 | ||
3643 | btv->errors++; | |
3644 | spin_unlock_irqrestore(&btv->s_lock,flags); | |
3645 | } | |
3646 | ||
3647 | static void | |
3648 | bttv_irq_wakeup_top(struct bttv *btv) | |
3649 | { | |
3650 | struct bttv_buffer *wakeup = btv->curr.top; | |
3651 | ||
3652 | if (NULL == wakeup) | |
3653 | return; | |
3654 | ||
3655 | spin_lock(&btv->s_lock); | |
3656 | btv->curr.top_irq = 0; | |
3657 | btv->curr.top = NULL; | |
3658 | bttv_risc_hook(btv, RISC_SLOT_O_FIELD, NULL, 0); | |
3659 | ||
3660 | do_gettimeofday(&wakeup->vb.ts); | |
3661 | wakeup->vb.field_count = btv->field_count; | |
3662 | wakeup->vb.state = STATE_DONE; | |
3663 | wake_up(&wakeup->vb.done); | |
3664 | spin_unlock(&btv->s_lock); | |
3665 | } | |
3666 | ||
3667 | static inline int is_active(struct btcx_riscmem *risc, u32 rc) | |
3668 | { | |
3669 | if (rc < risc->dma) | |
3670 | return 0; | |
3671 | if (rc > risc->dma + risc->size) | |
3672 | return 0; | |
3673 | return 1; | |
3674 | } | |
3675 | ||
3676 | static void | |
3677 | bttv_irq_switch_video(struct bttv *btv) | |
3678 | { | |
3679 | struct bttv_buffer_set new; | |
3680 | struct bttv_buffer_set old; | |
3681 | dma_addr_t rc; | |
3682 | ||
3683 | spin_lock(&btv->s_lock); | |
3684 | ||
3685 | /* new buffer set */ | |
3686 | bttv_irq_next_video(btv, &new); | |
3687 | rc = btread(BT848_RISC_COUNT); | |
3688 | if ((btv->curr.top && is_active(&btv->curr.top->top, rc)) || | |
3689 | (btv->curr.bottom && is_active(&btv->curr.bottom->bottom, rc))) { | |
3690 | btv->framedrop++; | |
3691 | if (debug_latency) | |
3692 | bttv_irq_debug_low_latency(btv, rc); | |
3693 | spin_unlock(&btv->s_lock); | |
3694 | return; | |
3695 | } | |
3696 | ||
3697 | /* switch over */ | |
3698 | old = btv->curr; | |
3699 | btv->curr = new; | |
3700 | btv->loop_irq &= ~1; | |
3701 | bttv_buffer_activate_video(btv, &new); | |
3702 | bttv_set_dma(btv, 0); | |
3703 | ||
3704 | /* switch input */ | |
3705 | if (UNSET != btv->new_input) { | |
3706 | video_mux(btv,btv->new_input); | |
3707 | btv->new_input = UNSET; | |
3708 | } | |
3709 | ||
3710 | /* wake up finished buffers */ | |
3711 | bttv_irq_wakeup_video(btv, &old, &new, STATE_DONE); | |
3712 | spin_unlock(&btv->s_lock); | |
3713 | } | |
3714 | ||
3715 | static void | |
3716 | bttv_irq_switch_vbi(struct bttv *btv) | |
3717 | { | |
3718 | struct bttv_buffer *new = NULL; | |
3719 | struct bttv_buffer *old; | |
3720 | u32 rc; | |
3721 | ||
3722 | spin_lock(&btv->s_lock); | |
3723 | ||
3724 | if (!list_empty(&btv->vcapture)) | |
3725 | new = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue); | |
3726 | old = btv->cvbi; | |
3727 | ||
3728 | rc = btread(BT848_RISC_COUNT); | |
3729 | if (NULL != old && (is_active(&old->top, rc) || | |
3730 | is_active(&old->bottom, rc))) { | |
3731 | btv->framedrop++; | |
3732 | if (debug_latency) | |
3733 | bttv_irq_debug_low_latency(btv, rc); | |
3734 | spin_unlock(&btv->s_lock); | |
3735 | return; | |
3736 | } | |
3737 | ||
3738 | /* switch */ | |
3739 | btv->cvbi = new; | |
3740 | btv->loop_irq &= ~4; | |
3741 | bttv_buffer_activate_vbi(btv, new); | |
3742 | bttv_set_dma(btv, 0); | |
3743 | ||
3744 | bttv_irq_wakeup_vbi(btv, old, STATE_DONE); | |
3745 | spin_unlock(&btv->s_lock); | |
3746 | } | |
3747 | ||
3748 | static irqreturn_t bttv_irq(int irq, void *dev_id, struct pt_regs * regs) | |
3749 | { | |
3750 | u32 stat,astat; | |
3751 | u32 dstat; | |
3752 | int count; | |
3753 | struct bttv *btv; | |
3754 | int handled = 0; | |
3755 | ||
3756 | btv=(struct bttv *)dev_id; | |
6c6c0b2c | 3757 | |
4abdfed5 RC |
3758 | if (btv->custom_irq) |
3759 | handled = btv->custom_irq(btv); | |
6c6c0b2c | 3760 | |
1da177e4 LT |
3761 | count=0; |
3762 | while (1) { | |
3763 | /* get/clear interrupt status bits */ | |
3764 | stat=btread(BT848_INT_STAT); | |
3765 | astat=stat&btread(BT848_INT_MASK); | |
3766 | if (!astat) | |
3767 | break; | |
3768 | handled = 1; | |
3769 | btwrite(stat,BT848_INT_STAT); | |
3770 | ||
3771 | /* get device status bits */ | |
3772 | dstat=btread(BT848_DSTATUS); | |
3773 | ||
3774 | if (irq_debug) { | |
3775 | printk(KERN_DEBUG "bttv%d: irq loop=%d fc=%d " | |
3776 | "riscs=%x, riscc=%08x, ", | |
3777 | btv->c.nr, count, btv->field_count, | |
3778 | stat>>28, btread(BT848_RISC_COUNT)); | |
3779 | bttv_print_irqbits(stat,astat); | |
3780 | if (stat & BT848_INT_HLOCK) | |
3781 | printk(" HLOC => %s", (dstat & BT848_DSTATUS_HLOC) | |
3782 | ? "yes" : "no"); | |
3783 | if (stat & BT848_INT_VPRES) | |
3784 | printk(" PRES => %s", (dstat & BT848_DSTATUS_PRES) | |
3785 | ? "yes" : "no"); | |
3786 | if (stat & BT848_INT_FMTCHG) | |
3787 | printk(" NUML => %s", (dstat & BT848_DSTATUS_NUML) | |
3788 | ? "625" : "525"); | |
3789 | printk("\n"); | |
3790 | } | |
3791 | ||
3792 | if (astat&BT848_INT_VSYNC) | |
4ac97914 | 3793 | btv->field_count++; |
1da177e4 | 3794 | |
4abdfed5 | 3795 | if ((astat & BT848_INT_GPINT) && btv->remote) { |
1da177e4 | 3796 | wake_up(&btv->gpioq); |
4abdfed5 | 3797 | bttv_input_irq(btv); |
1da177e4 LT |
3798 | } |
3799 | ||
3800 | if (astat & BT848_INT_I2CDONE) { | |
3801 | btv->i2c_done = stat; | |
3802 | wake_up(&btv->i2c_queue); | |
3803 | } | |
3804 | ||
4ac97914 | 3805 | if ((astat & BT848_INT_RISCI) && (stat & (4<<28))) |
1da177e4 LT |
3806 | bttv_irq_switch_vbi(btv); |
3807 | ||
4ac97914 | 3808 | if ((astat & BT848_INT_RISCI) && (stat & (2<<28))) |
1da177e4 LT |
3809 | bttv_irq_wakeup_top(btv); |
3810 | ||
4ac97914 | 3811 | if ((astat & BT848_INT_RISCI) && (stat & (1<<28))) |
1da177e4 LT |
3812 | bttv_irq_switch_video(btv); |
3813 | ||
3814 | if ((astat & BT848_INT_HLOCK) && btv->opt_automute) | |
8bf2f8e7 | 3815 | audio_mute(btv, btv->mute); /* trigger automute */ |
1da177e4 LT |
3816 | |
3817 | if (astat & (BT848_INT_SCERR|BT848_INT_OCERR)) { | |
3818 | printk(KERN_INFO "bttv%d: %s%s @ %08x,",btv->c.nr, | |
3819 | (astat & BT848_INT_SCERR) ? "SCERR" : "", | |
3820 | (astat & BT848_INT_OCERR) ? "OCERR" : "", | |
3821 | btread(BT848_RISC_COUNT)); | |
3822 | bttv_print_irqbits(stat,astat); | |
3823 | printk("\n"); | |
3824 | if (bttv_debug) | |
3825 | bttv_print_riscaddr(btv); | |
3826 | } | |
3827 | if (fdsr && astat & BT848_INT_FDSR) { | |
3828 | printk(KERN_INFO "bttv%d: FDSR @ %08x\n", | |
3829 | btv->c.nr,btread(BT848_RISC_COUNT)); | |
3830 | if (bttv_debug) | |
3831 | bttv_print_riscaddr(btv); | |
3832 | } | |
3833 | ||
3834 | count++; | |
3835 | if (count > 4) { | |
c58c21c7 | 3836 | |
3837 | if (count > 8 || !(astat & BT848_INT_GPINT)) { | |
4ac97914 | 3838 | btwrite(0, BT848_INT_MASK); |
c58c21c7 | 3839 | |
3840 | printk(KERN_ERR | |
3841 | "bttv%d: IRQ lockup, cleared int mask [", btv->c.nr); | |
3842 | } else { | |
3843 | printk(KERN_ERR | |
3844 | "bttv%d: IRQ lockup, clearing GPINT from int mask [", btv->c.nr); | |
3845 | ||
3846 | btwrite(btread(BT848_INT_MASK) & (-1 ^ BT848_INT_GPINT), | |
3847 | BT848_INT_MASK); | |
3848 | }; | |
3849 | ||
1da177e4 | 3850 | bttv_print_irqbits(stat,astat); |
c58c21c7 | 3851 | |
1da177e4 LT |
3852 | printk("]\n"); |
3853 | } | |
3854 | } | |
3855 | btv->irq_total++; | |
3856 | if (handled) | |
3857 | btv->irq_me++; | |
3858 | return IRQ_RETVAL(handled); | |
3859 | } | |
3860 | ||
3861 | ||
3862 | /* ----------------------------------------------------------------------- */ | |
3863 | /* initialitation */ | |
3864 | ||
3865 | static struct video_device *vdev_init(struct bttv *btv, | |
3866 | struct video_device *template, | |
3867 | char *type) | |
3868 | { | |
3869 | struct video_device *vfd; | |
3870 | ||
3871 | vfd = video_device_alloc(); | |
3872 | if (NULL == vfd) | |
3873 | return NULL; | |
3874 | *vfd = *template; | |
3875 | vfd->minor = -1; | |
3876 | vfd->dev = &btv->c.pci->dev; | |
3877 | vfd->release = video_device_release; | |
3878 | snprintf(vfd->name, sizeof(vfd->name), "BT%d%s %s (%s)", | |
3879 | btv->id, (btv->id==848 && btv->revision==0x12) ? "A" : "", | |
3880 | type, bttv_tvcards[btv->c.type].name); | |
3881 | return vfd; | |
3882 | } | |
3883 | ||
3884 | static void bttv_unregister_video(struct bttv *btv) | |
3885 | { | |
3886 | if (btv->video_dev) { | |
3887 | if (-1 != btv->video_dev->minor) | |
3888 | video_unregister_device(btv->video_dev); | |
3889 | else | |
3890 | video_device_release(btv->video_dev); | |
3891 | btv->video_dev = NULL; | |
3892 | } | |
3893 | if (btv->vbi_dev) { | |
3894 | if (-1 != btv->vbi_dev->minor) | |
3895 | video_unregister_device(btv->vbi_dev); | |
3896 | else | |
3897 | video_device_release(btv->vbi_dev); | |
3898 | btv->vbi_dev = NULL; | |
3899 | } | |
3900 | if (btv->radio_dev) { | |
3901 | if (-1 != btv->radio_dev->minor) | |
3902 | video_unregister_device(btv->radio_dev); | |
3903 | else | |
3904 | video_device_release(btv->radio_dev); | |
3905 | btv->radio_dev = NULL; | |
3906 | } | |
3907 | } | |
3908 | ||
3909 | /* register video4linux devices */ | |
3910 | static int __devinit bttv_register_video(struct bttv *btv) | |
3911 | { | |
4dcef524 MCC |
3912 | if (no_overlay <= 0) { |
3913 | bttv_video_template.type |= VID_TYPE_OVERLAY; | |
3914 | } else { | |
3915 | printk("bttv: Overlay support disabled.\n"); | |
3916 | } | |
3917 | ||
1da177e4 LT |
3918 | /* video */ |
3919 | btv->video_dev = vdev_init(btv, &bttv_video_template, "video"); | |
4ac97914 | 3920 | if (NULL == btv->video_dev) |
1da177e4 LT |
3921 | goto err; |
3922 | if (video_register_device(btv->video_dev,VFL_TYPE_GRABBER,video_nr)<0) | |
3923 | goto err; | |
3924 | printk(KERN_INFO "bttv%d: registered device video%d\n", | |
3925 | btv->c.nr,btv->video_dev->minor & 0x1f); | |
3117beec MK |
3926 | |
3927 | video_device_create_file(btv->video_dev, &class_device_attr_card); | |
1da177e4 LT |
3928 | |
3929 | /* vbi */ | |
3930 | btv->vbi_dev = vdev_init(btv, &bttv_vbi_template, "vbi"); | |
4ac97914 | 3931 | if (NULL == btv->vbi_dev) |
1da177e4 | 3932 | goto err; |
4ac97914 | 3933 | if (video_register_device(btv->vbi_dev,VFL_TYPE_VBI,vbi_nr)<0) |
1da177e4 LT |
3934 | goto err; |
3935 | printk(KERN_INFO "bttv%d: registered device vbi%d\n", | |
3936 | btv->c.nr,btv->vbi_dev->minor & 0x1f); | |
3937 | ||
4ac97914 | 3938 | if (!btv->has_radio) |
1da177e4 LT |
3939 | return 0; |
3940 | /* radio */ | |
3941 | btv->radio_dev = vdev_init(btv, &radio_template, "radio"); | |
4ac97914 | 3942 | if (NULL == btv->radio_dev) |
1da177e4 LT |
3943 | goto err; |
3944 | if (video_register_device(btv->radio_dev, VFL_TYPE_RADIO,radio_nr)<0) | |
3945 | goto err; | |
3946 | printk(KERN_INFO "bttv%d: registered device radio%d\n", | |
3947 | btv->c.nr,btv->radio_dev->minor & 0x1f); | |
3948 | ||
3949 | /* all done */ | |
3950 | return 0; | |
3951 | ||
3952 | err: | |
3953 | bttv_unregister_video(btv); | |
3954 | return -1; | |
3955 | } | |
3956 | ||
3957 | ||
3958 | /* on OpenFirmware machines (PowerMac at least), PCI memory cycle */ | |
3959 | /* response on cards with no firmware is not enabled by OF */ | |
3960 | static void pci_set_command(struct pci_dev *dev) | |
3961 | { | |
3962 | #if defined(__powerpc__) | |
4ac97914 | 3963 | unsigned int cmd; |
1da177e4 | 3964 | |
4ac97914 MCC |
3965 | pci_read_config_dword(dev, PCI_COMMAND, &cmd); |
3966 | cmd = (cmd | PCI_COMMAND_MEMORY ); | |
3967 | pci_write_config_dword(dev, PCI_COMMAND, cmd); | |
1da177e4 LT |
3968 | #endif |
3969 | } | |
3970 | ||
3971 | static int __devinit bttv_probe(struct pci_dev *dev, | |
3972 | const struct pci_device_id *pci_id) | |
3973 | { | |
3974 | int result; | |
3975 | unsigned char lat; | |
3976 | struct bttv *btv; | |
3977 | ||
3978 | if (bttv_num == BTTV_MAX) | |
3979 | return -ENOMEM; | |
3980 | printk(KERN_INFO "bttv: Bt8xx card found (%d).\n", bttv_num); | |
4ac97914 | 3981 | btv=&bttvs[bttv_num]; |
1da177e4 LT |
3982 | memset(btv,0,sizeof(*btv)); |
3983 | btv->c.nr = bttv_num; | |
3984 | sprintf(btv->c.name,"bttv%d",btv->c.nr); | |
3985 | ||
3986 | /* initialize structs / fill in defaults */ | |
bd5f0ac9 IM |
3987 | mutex_init(&btv->lock); |
3988 | mutex_init(&btv->reslock); | |
4ac97914 MCC |
3989 | spin_lock_init(&btv->s_lock); |
3990 | spin_lock_init(&btv->gpio_lock); | |
3991 | init_waitqueue_head(&btv->gpioq); | |
3992 | init_waitqueue_head(&btv->i2c_queue); | |
3993 | INIT_LIST_HEAD(&btv->c.subs); | |
3994 | INIT_LIST_HEAD(&btv->capture); | |
3995 | INIT_LIST_HEAD(&btv->vcapture); | |
1da177e4 LT |
3996 | v4l2_prio_init(&btv->prio); |
3997 | ||
3998 | init_timer(&btv->timeout); | |
3999 | btv->timeout.function = bttv_irq_timeout; | |
4000 | btv->timeout.data = (unsigned long)btv; | |
4001 | ||
7c08fb02 MK |
4002 | btv->i2c_rc = -1; |
4003 | btv->tuner_type = UNSET; | |
1da177e4 | 4004 | btv->new_input = UNSET; |
1da177e4 LT |
4005 | btv->has_radio=radio[btv->c.nr]; |
4006 | ||
4007 | /* pci stuff (init, get irq/mmio, ... */ | |
4008 | btv->c.pci = dev; | |
7c08fb02 | 4009 | btv->id = dev->device; |
1da177e4 | 4010 | if (pci_enable_device(dev)) { |
7c08fb02 | 4011 | printk(KERN_WARNING "bttv%d: Can't enable device.\n", |
1da177e4 LT |
4012 | btv->c.nr); |
4013 | return -EIO; | |
4014 | } | |
4ac97914 MCC |
4015 | if (pci_set_dma_mask(dev, DMA_32BIT_MASK)) { |
4016 | printk(KERN_WARNING "bttv%d: No suitable DMA available.\n", | |
1da177e4 LT |
4017 | btv->c.nr); |
4018 | return -EIO; | |
4ac97914 | 4019 | } |
1da177e4 LT |
4020 | if (!request_mem_region(pci_resource_start(dev,0), |
4021 | pci_resource_len(dev,0), | |
4022 | btv->c.name)) { | |
228aef63 GKH |
4023 | printk(KERN_WARNING "bttv%d: can't request iomem (0x%llx).\n", |
4024 | btv->c.nr, | |
4025 | (unsigned long long)pci_resource_start(dev,0)); | |
1da177e4 LT |
4026 | return -EBUSY; |
4027 | } | |
4ac97914 | 4028 | pci_set_master(dev); |
1da177e4 LT |
4029 | pci_set_command(dev); |
4030 | pci_set_drvdata(dev,btv); | |
1da177e4 | 4031 | |
4ac97914 MCC |
4032 | pci_read_config_byte(dev, PCI_CLASS_REVISION, &btv->revision); |
4033 | pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); | |
4034 | printk(KERN_INFO "bttv%d: Bt%d (rev %d) at %s, ", | |
4035 | bttv_num,btv->id, btv->revision, pci_name(dev)); | |
228aef63 GKH |
4036 | printk("irq: %d, latency: %d, mmio: 0x%llx\n", |
4037 | btv->c.pci->irq, lat, | |
4038 | (unsigned long long)pci_resource_start(dev,0)); | |
1da177e4 LT |
4039 | schedule(); |
4040 | ||
4041 | btv->bt848_mmio=ioremap(pci_resource_start(dev,0), 0x1000); | |
4042 | if (NULL == ioremap(pci_resource_start(dev,0), 0x1000)) { | |
4043 | printk("bttv%d: ioremap() failed\n", btv->c.nr); | |
4044 | result = -EIO; | |
4045 | goto fail1; | |
4046 | } | |
4047 | ||
4ac97914 | 4048 | /* identify card */ |
1da177e4 LT |
4049 | bttv_idcard(btv); |
4050 | ||
4ac97914 | 4051 | /* disable irqs, register irq handler */ |
1da177e4 | 4052 | btwrite(0, BT848_INT_MASK); |
4ac97914 | 4053 | result = request_irq(btv->c.pci->irq, bttv_irq, |
8076fe32 | 4054 | IRQF_SHARED | IRQF_DISABLED,btv->c.name,(void *)btv); |
4ac97914 MCC |
4055 | if (result < 0) { |
4056 | printk(KERN_ERR "bttv%d: can't get IRQ %d\n", | |
1da177e4 LT |
4057 | bttv_num,btv->c.pci->irq); |
4058 | goto fail1; | |
4ac97914 | 4059 | } |
1da177e4 LT |
4060 | |
4061 | if (0 != bttv_handle_chipset(btv)) { | |
4062 | result = -EIO; | |
4063 | goto fail2; | |
4ac97914 | 4064 | } |
1da177e4 LT |
4065 | |
4066 | /* init options from insmod args */ | |
4067 | btv->opt_combfilter = combfilter; | |
4068 | btv->opt_lumafilter = lumafilter; | |
4069 | btv->opt_automute = automute; | |
4070 | btv->opt_chroma_agc = chroma_agc; | |
4071 | btv->opt_adc_crush = adc_crush; | |
4072 | btv->opt_vcr_hack = vcr_hack; | |
4073 | btv->opt_whitecrush_upper = whitecrush_upper; | |
4074 | btv->opt_whitecrush_lower = whitecrush_lower; | |
060d3027 MCC |
4075 | btv->opt_uv_ratio = uv_ratio; |
4076 | btv->opt_full_luma_range = full_luma_range; | |
4077 | btv->opt_coring = coring; | |
1da177e4 LT |
4078 | |
4079 | /* fill struct bttv with some useful defaults */ | |
4080 | btv->init.btv = btv; | |
4081 | btv->init.ov.w.width = 320; | |
4082 | btv->init.ov.w.height = 240; | |
4083 | btv->init.fmt = format_by_palette(VIDEO_PALETTE_RGB24); | |
4084 | btv->init.width = 320; | |
4085 | btv->init.height = 240; | |
4086 | btv->init.lines = 16; | |
4087 | btv->input = 0; | |
4088 | ||
4089 | /* initialize hardware */ | |
4ac97914 MCC |
4090 | if (bttv_gpio) |
4091 | bttv_gpio_tracking(btv,"pre-init"); | |
1da177e4 LT |
4092 | |
4093 | bttv_risc_init_main(btv); | |
4094 | init_bt848(btv); | |
4095 | ||
4096 | /* gpio */ | |
4ac97914 MCC |
4097 | btwrite(0x00, BT848_GPIO_REG_INP); |
4098 | btwrite(0x00, BT848_GPIO_OUT_EN); | |
4099 | if (bttv_verbose) | |
4100 | bttv_gpio_tracking(btv,"init"); | |
1da177e4 | 4101 | |
4ac97914 MCC |
4102 | /* needs to be done before i2c is registered */ |
4103 | bttv_init_card1(btv); | |
1da177e4 | 4104 | |
4ac97914 MCC |
4105 | /* register i2c + gpio */ |
4106 | init_bttv_i2c(btv); | |
1da177e4 | 4107 | |
4ac97914 MCC |
4108 | /* some card-specific stuff (needs working i2c) */ |
4109 | bttv_init_card2(btv); | |
1da177e4 LT |
4110 | init_irqreg(btv); |
4111 | ||
4ac97914 | 4112 | /* register video4linux + input */ |
1da177e4 LT |
4113 | if (!bttv_tvcards[btv->c.type].no_video) { |
4114 | bttv_register_video(btv); | |
4115 | bt848_bright(btv,32768); | |
4116 | bt848_contrast(btv,32768); | |
4117 | bt848_hue(btv,32768); | |
4118 | bt848_sat(btv,32768); | |
8bf2f8e7 | 4119 | audio_mute(btv, 1); |
1da177e4 LT |
4120 | set_input(btv,0); |
4121 | } | |
4122 | ||
4123 | /* add subdevices */ | |
1da177e4 LT |
4124 | if (bttv_tvcards[btv->c.type].has_dvb) |
4125 | bttv_sub_add_device(&btv->c, "dvb"); | |
4126 | ||
4abdfed5 RC |
4127 | bttv_input_init(btv); |
4128 | ||
1da177e4 LT |
4129 | /* everything is fine */ |
4130 | bttv_num++; | |
4ac97914 | 4131 | return 0; |
1da177e4 LT |
4132 | |
4133 | fail2: | |
4ac97914 | 4134 | free_irq(btv->c.pci->irq,btv); |
1da177e4 LT |
4135 | |
4136 | fail1: | |
4137 | if (btv->bt848_mmio) | |
4138 | iounmap(btv->bt848_mmio); | |
4139 | release_mem_region(pci_resource_start(btv->c.pci,0), | |
4140 | pci_resource_len(btv->c.pci,0)); | |
4141 | pci_set_drvdata(dev,NULL); | |
4142 | return result; | |
4143 | } | |
4144 | ||
4145 | static void __devexit bttv_remove(struct pci_dev *pci_dev) | |
4146 | { | |
4ac97914 | 4147 | struct bttv *btv = pci_get_drvdata(pci_dev); |
1da177e4 LT |
4148 | |
4149 | if (bttv_verbose) | |
4150 | printk("bttv%d: unloading\n",btv->c.nr); | |
4151 | ||
4ac97914 | 4152 | /* shutdown everything (DMA+IRQs) */ |
1da177e4 LT |
4153 | btand(~15, BT848_GPIO_DMA_CTL); |
4154 | btwrite(0, BT848_INT_MASK); | |
4155 | btwrite(~0x0, BT848_INT_STAT); | |
4156 | btwrite(0x0, BT848_GPIO_OUT_EN); | |
4157 | if (bttv_gpio) | |
4158 | bttv_gpio_tracking(btv,"cleanup"); | |
4159 | ||
4160 | /* tell gpio modules we are leaving ... */ | |
4161 | btv->shutdown=1; | |
4162 | wake_up(&btv->gpioq); | |
4abdfed5 | 4163 | bttv_input_fini(btv); |
889aee80 | 4164 | bttv_sub_del_devices(&btv->c); |
1da177e4 | 4165 | |
4ac97914 | 4166 | /* unregister i2c_bus + input */ |
1da177e4 LT |
4167 | fini_bttv_i2c(btv); |
4168 | ||
4169 | /* unregister video4linux */ | |
4170 | bttv_unregister_video(btv); | |
4171 | ||
4172 | /* free allocated memory */ | |
4173 | btcx_riscmem_free(btv->c.pci,&btv->main); | |
4174 | ||
4175 | /* free ressources */ | |
4ac97914 | 4176 | free_irq(btv->c.pci->irq,btv); |
1da177e4 | 4177 | iounmap(btv->bt848_mmio); |
4ac97914 MCC |
4178 | release_mem_region(pci_resource_start(btv->c.pci,0), |
4179 | pci_resource_len(btv->c.pci,0)); | |
1da177e4 LT |
4180 | |
4181 | pci_set_drvdata(pci_dev, NULL); | |
4ac97914 | 4182 | return; |
1da177e4 LT |
4183 | } |
4184 | ||
4185 | static int bttv_suspend(struct pci_dev *pci_dev, pm_message_t state) | |
4186 | { | |
4ac97914 | 4187 | struct bttv *btv = pci_get_drvdata(pci_dev); |
1da177e4 LT |
4188 | struct bttv_buffer_set idle; |
4189 | unsigned long flags; | |
4190 | ||
0f97a931 | 4191 | dprintk("bttv%d: suspend %d\n", btv->c.nr, state.event); |
1da177e4 LT |
4192 | |
4193 | /* stop dma + irqs */ | |
4194 | spin_lock_irqsave(&btv->s_lock,flags); | |
4195 | memset(&idle, 0, sizeof(idle)); | |
4196 | btv->state.video = btv->curr; | |
4197 | btv->state.vbi = btv->cvbi; | |
4198 | btv->state.loop_irq = btv->loop_irq; | |
4199 | btv->curr = idle; | |
4200 | btv->loop_irq = 0; | |
4201 | bttv_buffer_activate_video(btv, &idle); | |
4202 | bttv_buffer_activate_vbi(btv, NULL); | |
4203 | bttv_set_dma(btv, 0); | |
4204 | btwrite(0, BT848_INT_MASK); | |
4205 | spin_unlock_irqrestore(&btv->s_lock,flags); | |
4206 | ||
4207 | /* save bt878 state */ | |
4208 | btv->state.gpio_enable = btread(BT848_GPIO_OUT_EN); | |
4209 | btv->state.gpio_data = gpio_read(); | |
4210 | ||
4211 | /* save pci state */ | |
4212 | pci_save_state(pci_dev); | |
4213 | if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { | |
4214 | pci_disable_device(pci_dev); | |
4215 | btv->state.disabled = 1; | |
4216 | } | |
4217 | return 0; | |
4218 | } | |
4219 | ||
4220 | static int bttv_resume(struct pci_dev *pci_dev) | |
4221 | { | |
4ac97914 | 4222 | struct bttv *btv = pci_get_drvdata(pci_dev); |
1da177e4 | 4223 | unsigned long flags; |
08adb9e2 | 4224 | int err; |
1da177e4 LT |
4225 | |
4226 | dprintk("bttv%d: resume\n", btv->c.nr); | |
4227 | ||
4228 | /* restore pci state */ | |
4229 | if (btv->state.disabled) { | |
08adb9e2 MCC |
4230 | err=pci_enable_device(pci_dev); |
4231 | if (err) { | |
4232 | printk(KERN_WARNING "bttv%d: Can't enable device.\n", | |
4233 | btv->c.nr); | |
4234 | return err; | |
4235 | } | |
1da177e4 LT |
4236 | btv->state.disabled = 0; |
4237 | } | |
08adb9e2 MCC |
4238 | err=pci_set_power_state(pci_dev, PCI_D0); |
4239 | if (err) { | |
4240 | pci_disable_device(pci_dev); | |
4241 | printk(KERN_WARNING "bttv%d: Can't enable device.\n", | |
4242 | btv->c.nr); | |
4243 | btv->state.disabled = 1; | |
4244 | return err; | |
4245 | } | |
4246 | ||
1da177e4 LT |
4247 | pci_restore_state(pci_dev); |
4248 | ||
4249 | /* restore bt878 state */ | |
4250 | bttv_reinit_bt848(btv); | |
4251 | gpio_inout(0xffffff, btv->state.gpio_enable); | |
4252 | gpio_write(btv->state.gpio_data); | |
4253 | ||
4254 | /* restart dma */ | |
4255 | spin_lock_irqsave(&btv->s_lock,flags); | |
4256 | btv->curr = btv->state.video; | |
4257 | btv->cvbi = btv->state.vbi; | |
4258 | btv->loop_irq = btv->state.loop_irq; | |
4259 | bttv_buffer_activate_video(btv, &btv->curr); | |
4260 | bttv_buffer_activate_vbi(btv, btv->cvbi); | |
4261 | bttv_set_dma(btv, 0); | |
4262 | spin_unlock_irqrestore(&btv->s_lock,flags); | |
4263 | return 0; | |
4264 | } | |
4265 | ||
4266 | static struct pci_device_id bttv_pci_tbl[] = { | |
4ac97914 MCC |
4267 | {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT848, |
4268 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1da177e4 | 4269 | {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT849, |
4ac97914 | 4270 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
1da177e4 | 4271 | {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT878, |
4ac97914 | 4272 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
1da177e4 | 4273 | {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT879, |
4ac97914 MCC |
4274 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
4275 | {0,} | |
1da177e4 LT |
4276 | }; |
4277 | ||
4278 | MODULE_DEVICE_TABLE(pci, bttv_pci_tbl); | |
4279 | ||
4280 | static struct pci_driver bttv_pci_driver = { | |
4ac97914 MCC |
4281 | .name = "bttv", |
4282 | .id_table = bttv_pci_tbl, | |
4283 | .probe = bttv_probe, | |
4284 | .remove = __devexit_p(bttv_remove), | |
1da177e4 LT |
4285 | .suspend = bttv_suspend, |
4286 | .resume = bttv_resume, | |
4287 | }; | |
4288 | ||
4289 | static int bttv_init_module(void) | |
4290 | { | |
c526e224 RD |
4291 | int ret; |
4292 | ||
1da177e4 LT |
4293 | bttv_num = 0; |
4294 | ||
4295 | printk(KERN_INFO "bttv: driver version %d.%d.%d loaded\n", | |
4296 | (BTTV_VERSION_CODE >> 16) & 0xff, | |
4297 | (BTTV_VERSION_CODE >> 8) & 0xff, | |
4298 | BTTV_VERSION_CODE & 0xff); | |
4299 | #ifdef SNAPSHOT | |
4300 | printk(KERN_INFO "bttv: snapshot date %04d-%02d-%02d\n", | |
4301 | SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); | |
4302 | #endif | |
4303 | if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) | |
4304 | gbuffers = 2; | |
4305 | if (gbufsize < 0 || gbufsize > BTTV_MAX_FBUF) | |
4306 | gbufsize = BTTV_MAX_FBUF; | |
4307 | gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; | |
4308 | if (bttv_verbose) | |
4309 | printk(KERN_INFO "bttv: using %d buffers with %dk (%d pages) each for capture\n", | |
4310 | gbuffers, gbufsize >> 10, gbufsize >> PAGE_SHIFT); | |
4311 | ||
4312 | bttv_check_chipset(); | |
4313 | ||
c526e224 RD |
4314 | ret = bus_register(&bttv_sub_bus_type); |
4315 | if (ret < 0) { | |
4316 | printk(KERN_WARNING "bttv: bus_register error: %d\n", ret); | |
4317 | return ret; | |
4318 | } | |
2304759d | 4319 | return pci_register_driver(&bttv_pci_driver); |
1da177e4 LT |
4320 | } |
4321 | ||
4322 | static void bttv_cleanup_module(void) | |
4323 | { | |
4324 | pci_unregister_driver(&bttv_pci_driver); | |
4325 | bus_unregister(&bttv_sub_bus_type); | |
4326 | return; | |
4327 | } | |
4328 | ||
4329 | module_init(bttv_init_module); | |
4330 | module_exit(bttv_cleanup_module); | |
4331 | ||
4332 | /* | |
4333 | * Local variables: | |
4334 | * c-basic-offset: 8 | |
4335 | * End: | |
4336 | */ |