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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 | ||
e5bd0260 MS |
12 | Cropping and overscan support |
13 | Copyright (C) 2005, 2006 Michael H. Schimek <mschimek@gmx.at> | |
14 | Sponsored by OPQ Systems AB | |
15 | ||
1da177e4 LT |
16 | This program is free software; you can redistribute it and/or modify |
17 | it under the terms of the GNU General Public License as published by | |
18 | the Free Software Foundation; either version 2 of the License, or | |
19 | (at your option) any later version. | |
20 | ||
21 | This program is distributed in the hope that it will be useful, | |
22 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
23 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
24 | GNU General Public License for more details. | |
25 | ||
26 | You should have received a copy of the GNU General Public License | |
27 | along with this program; if not, write to the Free Software | |
28 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
29 | */ | |
30 | ||
31 | #include <linux/init.h> | |
32 | #include <linux/module.h> | |
1da177e4 LT |
33 | #include <linux/delay.h> |
34 | #include <linux/errno.h> | |
35 | #include <linux/fs.h> | |
36 | #include <linux/kernel.h> | |
37 | #include <linux/sched.h> | |
38 | #include <linux/interrupt.h> | |
39 | #include <linux/kdev_t.h> | |
b5b8ab8d | 40 | #include "bttvp.h" |
5e453dc7 | 41 | #include <media/v4l2-common.h> |
8bf2f8e7 | 42 | #include <media/tvaudio.h> |
2474ed44 | 43 | #include <media/msp3400.h> |
b5b8ab8d | 44 | |
fa9846a8 | 45 | #include <linux/dma-mapping.h> |
1da177e4 LT |
46 | |
47 | #include <asm/io.h> | |
48 | #include <asm/byteorder.h> | |
49 | ||
fa3fcceb | 50 | #include <media/rds.h> |
24a70fdc MCC |
51 | |
52 | ||
1da177e4 LT |
53 | unsigned int bttv_num; /* number of Bt848s in use */ |
54 | struct bttv bttvs[BTTV_MAX]; | |
55 | ||
a5ed425c | 56 | unsigned int bttv_debug; |
1da177e4 | 57 | unsigned int bttv_verbose = 1; |
a5ed425c | 58 | unsigned int bttv_gpio; |
1da177e4 LT |
59 | |
60 | /* config variables */ | |
61 | #ifdef __BIG_ENDIAN | |
62 | static unsigned int bigendian=1; | |
63 | #else | |
a5ed425c | 64 | static unsigned int bigendian; |
1da177e4 LT |
65 | #endif |
66 | static unsigned int radio[BTTV_MAX]; | |
a5ed425c | 67 | static unsigned int irq_debug; |
1da177e4 LT |
68 | static unsigned int gbuffers = 8; |
69 | static unsigned int gbufsize = 0x208000; | |
e5bd0260 | 70 | static unsigned int reset_crop = 1; |
1da177e4 LT |
71 | |
72 | static int video_nr = -1; | |
73 | static int radio_nr = -1; | |
74 | static int vbi_nr = -1; | |
a5ed425c | 75 | static int debug_latency; |
1da177e4 | 76 | |
a5ed425c | 77 | static unsigned int fdsr; |
1da177e4 LT |
78 | |
79 | /* options */ | |
a5ed425c MCC |
80 | static unsigned int combfilter; |
81 | static unsigned int lumafilter; | |
1da177e4 | 82 | static unsigned int automute = 1; |
a5ed425c | 83 | static unsigned int chroma_agc; |
1da177e4 LT |
84 | static unsigned int adc_crush = 1; |
85 | static unsigned int whitecrush_upper = 0xCF; | |
86 | static unsigned int whitecrush_lower = 0x7F; | |
a5ed425c MCC |
87 | static unsigned int vcr_hack; |
88 | static unsigned int irq_iswitch; | |
060d3027 | 89 | static unsigned int uv_ratio = 50; |
a5ed425c MCC |
90 | static unsigned int full_luma_range; |
91 | static unsigned int coring; | |
4dcef524 | 92 | extern int no_overlay; |
1da177e4 LT |
93 | |
94 | /* API features (turn on/off stuff for testing) */ | |
95 | static unsigned int v4l2 = 1; | |
96 | ||
1da177e4 LT |
97 | /* insmod args */ |
98 | module_param(bttv_verbose, int, 0644); | |
99 | module_param(bttv_gpio, int, 0644); | |
100 | module_param(bttv_debug, int, 0644); | |
101 | module_param(irq_debug, int, 0644); | |
102 | module_param(debug_latency, int, 0644); | |
103 | ||
104 | module_param(fdsr, int, 0444); | |
105 | module_param(video_nr, int, 0444); | |
106 | module_param(radio_nr, int, 0444); | |
107 | module_param(vbi_nr, int, 0444); | |
108 | module_param(gbuffers, int, 0444); | |
109 | module_param(gbufsize, int, 0444); | |
e5bd0260 | 110 | module_param(reset_crop, int, 0444); |
1da177e4 LT |
111 | |
112 | module_param(v4l2, int, 0644); | |
113 | module_param(bigendian, int, 0644); | |
114 | module_param(irq_iswitch, int, 0644); | |
115 | module_param(combfilter, int, 0444); | |
116 | module_param(lumafilter, int, 0444); | |
117 | module_param(automute, int, 0444); | |
118 | module_param(chroma_agc, int, 0444); | |
119 | module_param(adc_crush, int, 0444); | |
120 | module_param(whitecrush_upper, int, 0444); | |
121 | module_param(whitecrush_lower, int, 0444); | |
122 | module_param(vcr_hack, int, 0444); | |
060d3027 MCC |
123 | module_param(uv_ratio, int, 0444); |
124 | module_param(full_luma_range, int, 0444); | |
125 | module_param(coring, int, 0444); | |
1da177e4 LT |
126 | |
127 | module_param_array(radio, int, NULL, 0444); | |
128 | ||
129 | MODULE_PARM_DESC(radio,"The TV card supports radio, default is 0 (no)"); | |
130 | MODULE_PARM_DESC(bigendian,"byte order of the framebuffer, default is native endian"); | |
131 | MODULE_PARM_DESC(bttv_verbose,"verbose startup messages, default is 1 (yes)"); | |
132 | MODULE_PARM_DESC(bttv_gpio,"log gpio changes, default is 0 (no)"); | |
133 | MODULE_PARM_DESC(bttv_debug,"debug messages, default is 0 (no)"); | |
134 | MODULE_PARM_DESC(irq_debug,"irq handler debug messages, default is 0 (no)"); | |
135 | MODULE_PARM_DESC(gbuffers,"number of capture buffers. range 2-32, default 8"); | |
136 | MODULE_PARM_DESC(gbufsize,"size of the capture buffers, default is 0x208000"); | |
e5bd0260 MS |
137 | MODULE_PARM_DESC(reset_crop,"reset cropping parameters at open(), default " |
138 | "is 1 (yes) for compatibility with older applications"); | |
1da177e4 LT |
139 | MODULE_PARM_DESC(automute,"mute audio on bad/missing video signal, default is 1 (yes)"); |
140 | MODULE_PARM_DESC(chroma_agc,"enables the AGC of chroma signal, default is 0 (no)"); | |
141 | MODULE_PARM_DESC(adc_crush,"enables the luminance ADC crush, default is 1 (yes)"); | |
142 | MODULE_PARM_DESC(whitecrush_upper,"sets the white crush upper value, default is 207"); | |
143 | MODULE_PARM_DESC(whitecrush_lower,"sets the white crush lower value, default is 127"); | |
144 | MODULE_PARM_DESC(vcr_hack,"enables the VCR hack (improves synch on poor VCR tapes), default is 0 (no)"); | |
145 | MODULE_PARM_DESC(irq_iswitch,"switch inputs in irq handler"); | |
060d3027 MCC |
146 | MODULE_PARM_DESC(uv_ratio,"ratio between u and v gains, default is 50"); |
147 | MODULE_PARM_DESC(full_luma_range,"use the full luma range, default is 0 (no)"); | |
148 | MODULE_PARM_DESC(coring,"set the luma coring level, default is 0 (no)"); | |
1da177e4 LT |
149 | |
150 | MODULE_DESCRIPTION("bttv - v4l/v4l2 driver module for bt848/878 based cards"); | |
151 | MODULE_AUTHOR("Ralph Metzler & Marcus Metzler & Gerd Knorr"); | |
152 | MODULE_LICENSE("GPL"); | |
153 | ||
154 | /* ----------------------------------------------------------------------- */ | |
155 | /* sysfs */ | |
156 | ||
54bd5b66 KS |
157 | static ssize_t show_card(struct device *cd, |
158 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
159 | { |
160 | struct video_device *vfd = to_video_device(cd); | |
161 | struct bttv *btv = dev_get_drvdata(vfd->dev); | |
162 | return sprintf(buf, "%d\n", btv ? btv->c.type : UNSET); | |
163 | } | |
54bd5b66 | 164 | static DEVICE_ATTR(card, S_IRUGO, show_card, NULL); |
1da177e4 | 165 | |
f992a497 JW |
166 | /* ----------------------------------------------------------------------- */ |
167 | /* dvb auto-load setup */ | |
168 | #if defined(CONFIG_MODULES) && defined(MODULE) | |
169 | static void request_module_async(struct work_struct *work) | |
170 | { | |
171 | request_module("dvb-bt8xx"); | |
172 | } | |
173 | ||
174 | static void request_modules(struct bttv *dev) | |
175 | { | |
176 | INIT_WORK(&dev->request_module_wk, request_module_async); | |
177 | schedule_work(&dev->request_module_wk); | |
178 | } | |
179 | #else | |
180 | #define request_modules(dev) | |
181 | #endif /* CONFIG_MODULES */ | |
182 | ||
183 | ||
1da177e4 LT |
184 | /* ----------------------------------------------------------------------- */ |
185 | /* static data */ | |
186 | ||
187 | /* special timing tables from conexant... */ | |
188 | static u8 SRAM_Table[][60] = | |
189 | { | |
190 | /* PAL digital input over GPIO[7:0] */ | |
191 | { | |
192 | 45, // 45 bytes following | |
193 | 0x36,0x11,0x01,0x00,0x90,0x02,0x05,0x10,0x04,0x16, | |
194 | 0x12,0x05,0x11,0x00,0x04,0x12,0xC0,0x00,0x31,0x00, | |
195 | 0x06,0x51,0x08,0x03,0x89,0x08,0x07,0xC0,0x44,0x00, | |
196 | 0x81,0x01,0x01,0xA9,0x0D,0x02,0x02,0x50,0x03,0x37, | |
197 | 0x37,0x00,0xAF,0x21,0x00 | |
198 | }, | |
199 | /* NTSC digital input over GPIO[7:0] */ | |
200 | { | |
201 | 51, // 51 bytes following | |
202 | 0x0C,0xC0,0x00,0x00,0x90,0x02,0x03,0x10,0x03,0x06, | |
203 | 0x10,0x04,0x12,0x12,0x05,0x02,0x13,0x04,0x19,0x00, | |
204 | 0x04,0x39,0x00,0x06,0x59,0x08,0x03,0x83,0x08,0x07, | |
205 | 0x03,0x50,0x00,0xC0,0x40,0x00,0x86,0x01,0x01,0xA6, | |
206 | 0x0D,0x02,0x03,0x11,0x01,0x05,0x37,0x00,0xAC,0x21, | |
207 | 0x00, | |
208 | }, | |
209 | // TGB_NTSC392 // quartzsight | |
210 | // This table has been modified to be used for Fusion Rev D | |
211 | { | |
212 | 0x2A, // size of table = 42 | |
213 | 0x06, 0x08, 0x04, 0x0a, 0xc0, 0x00, 0x18, 0x08, 0x03, 0x24, | |
214 | 0x08, 0x07, 0x02, 0x90, 0x02, 0x08, 0x10, 0x04, 0x0c, 0x10, | |
215 | 0x05, 0x2c, 0x11, 0x04, 0x55, 0x48, 0x00, 0x05, 0x50, 0x00, | |
216 | 0xbf, 0x0c, 0x02, 0x2f, 0x3d, 0x00, 0x2f, 0x3f, 0x00, 0xc3, | |
217 | 0x20, 0x00 | |
218 | } | |
219 | }; | |
220 | ||
e5bd0260 MS |
221 | /* minhdelayx1 first video pixel we can capture on a line and |
222 | hdelayx1 start of active video, both relative to rising edge of | |
223 | /HRESET pulse (0H) in 1 / fCLKx1. | |
224 | swidth width of active video and | |
225 | totalwidth total line width, both in 1 / fCLKx1. | |
226 | sqwidth total line width in square pixels. | |
227 | vdelay start of active video in 2 * field lines relative to | |
228 | trailing edge of /VRESET pulse (VDELAY register). | |
229 | sheight height of active video in 2 * field lines. | |
230 | videostart0 ITU-R frame line number of the line corresponding | |
231 | to vdelay in the first field. */ | |
232 | #define CROPCAP(minhdelayx1, hdelayx1, swidth, totalwidth, sqwidth, \ | |
233 | vdelay, sheight, videostart0) \ | |
234 | .cropcap.bounds.left = minhdelayx1, \ | |
235 | /* * 2 because vertically we count field lines times two, */ \ | |
236 | /* e.g. 23 * 2 to 23 * 2 + 576 in PAL-BGHI defrect. */ \ | |
237 | .cropcap.bounds.top = (videostart0) * 2 - (vdelay) + MIN_VDELAY, \ | |
238 | /* 4 is a safety margin at the end of the line. */ \ | |
239 | .cropcap.bounds.width = (totalwidth) - (minhdelayx1) - 4, \ | |
240 | .cropcap.bounds.height = (sheight) + (vdelay) - MIN_VDELAY, \ | |
241 | .cropcap.defrect.left = hdelayx1, \ | |
242 | .cropcap.defrect.top = (videostart0) * 2, \ | |
243 | .cropcap.defrect.width = swidth, \ | |
244 | .cropcap.defrect.height = sheight, \ | |
245 | .cropcap.pixelaspect.numerator = totalwidth, \ | |
246 | .cropcap.pixelaspect.denominator = sqwidth, | |
247 | ||
1da177e4 LT |
248 | const struct bttv_tvnorm bttv_tvnorms[] = { |
249 | /* PAL-BDGHI */ | |
4ac97914 MCC |
250 | /* max. active video is actually 922, but 924 is divisible by 4 and 3! */ |
251 | /* actually, max active PAL with HSCALE=0 is 948, NTSC is 768 - nil */ | |
1da177e4 LT |
252 | { |
253 | .v4l2_id = V4L2_STD_PAL, | |
254 | .name = "PAL", | |
255 | .Fsc = 35468950, | |
256 | .swidth = 924, | |
257 | .sheight = 576, | |
258 | .totalwidth = 1135, | |
259 | .adelay = 0x7f, | |
260 | .bdelay = 0x72, | |
261 | .iform = (BT848_IFORM_PAL_BDGHI|BT848_IFORM_XT1), | |
262 | .scaledtwidth = 1135, | |
263 | .hdelayx1 = 186, | |
264 | .hactivex1 = 924, | |
265 | .vdelay = 0x20, | |
e5bd0260 | 266 | .vbipack = 255, /* min (2048 / 4, 0x1ff) & 0xff */ |
1da177e4 | 267 | .sram = 0, |
67f1570a | 268 | /* ITU-R frame line number of the first VBI line |
e5bd0260 MS |
269 | we can capture, of the first and second field. |
270 | The last line is determined by cropcap.bounds. */ | |
271 | .vbistart = { 7, 320 }, | |
272 | CROPCAP(/* minhdelayx1 */ 68, | |
273 | /* hdelayx1 */ 186, | |
274 | /* Should be (768 * 1135 + 944 / 2) / 944. | |
275 | cropcap.defrect is used for image width | |
276 | checks, so we keep the old value 924. */ | |
277 | /* swidth */ 924, | |
278 | /* totalwidth */ 1135, | |
279 | /* sqwidth */ 944, | |
280 | /* vdelay */ 0x20, | |
281 | /* sheight */ 576, | |
282 | /* videostart0 */ 23) | |
283 | /* bt878 (and bt848?) can capture another | |
284 | line below active video. */ | |
285 | .cropcap.bounds.height = (576 + 2) + 0x20 - 2, | |
1da177e4 | 286 | },{ |
d97a11e0 | 287 | .v4l2_id = V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_KR, |
1da177e4 LT |
288 | .name = "NTSC", |
289 | .Fsc = 28636363, | |
290 | .swidth = 768, | |
291 | .sheight = 480, | |
292 | .totalwidth = 910, | |
293 | .adelay = 0x68, | |
294 | .bdelay = 0x5d, | |
295 | .iform = (BT848_IFORM_NTSC|BT848_IFORM_XT0), | |
296 | .scaledtwidth = 910, | |
297 | .hdelayx1 = 128, | |
298 | .hactivex1 = 910, | |
299 | .vdelay = 0x1a, | |
e5bd0260 | 300 | .vbipack = 144, /* min (1600 / 4, 0x1ff) & 0xff */ |
1da177e4 | 301 | .sram = 1, |
67f1570a | 302 | .vbistart = { 10, 273 }, |
e5bd0260 MS |
303 | CROPCAP(/* minhdelayx1 */ 68, |
304 | /* hdelayx1 */ 128, | |
305 | /* Should be (640 * 910 + 780 / 2) / 780? */ | |
306 | /* swidth */ 768, | |
307 | /* totalwidth */ 910, | |
308 | /* sqwidth */ 780, | |
309 | /* vdelay */ 0x1a, | |
310 | /* sheight */ 480, | |
311 | /* videostart0 */ 23) | |
1da177e4 LT |
312 | },{ |
313 | .v4l2_id = V4L2_STD_SECAM, | |
314 | .name = "SECAM", | |
315 | .Fsc = 35468950, | |
316 | .swidth = 924, | |
317 | .sheight = 576, | |
318 | .totalwidth = 1135, | |
319 | .adelay = 0x7f, | |
320 | .bdelay = 0xb0, | |
321 | .iform = (BT848_IFORM_SECAM|BT848_IFORM_XT1), | |
322 | .scaledtwidth = 1135, | |
323 | .hdelayx1 = 186, | |
324 | .hactivex1 = 922, | |
325 | .vdelay = 0x20, | |
326 | .vbipack = 255, | |
327 | .sram = 0, /* like PAL, correct? */ | |
67f1570a | 328 | .vbistart = { 7, 320 }, |
e5bd0260 MS |
329 | CROPCAP(/* minhdelayx1 */ 68, |
330 | /* hdelayx1 */ 186, | |
331 | /* swidth */ 924, | |
332 | /* totalwidth */ 1135, | |
333 | /* sqwidth */ 944, | |
334 | /* vdelay */ 0x20, | |
335 | /* sheight */ 576, | |
336 | /* videostart0 */ 23) | |
1da177e4 LT |
337 | },{ |
338 | .v4l2_id = V4L2_STD_PAL_Nc, | |
339 | .name = "PAL-Nc", | |
340 | .Fsc = 28636363, | |
341 | .swidth = 640, | |
342 | .sheight = 576, | |
343 | .totalwidth = 910, | |
344 | .adelay = 0x68, | |
345 | .bdelay = 0x5d, | |
346 | .iform = (BT848_IFORM_PAL_NC|BT848_IFORM_XT0), | |
347 | .scaledtwidth = 780, | |
348 | .hdelayx1 = 130, | |
349 | .hactivex1 = 734, | |
350 | .vdelay = 0x1a, | |
351 | .vbipack = 144, | |
352 | .sram = -1, | |
67f1570a | 353 | .vbistart = { 7, 320 }, |
e5bd0260 MS |
354 | CROPCAP(/* minhdelayx1 */ 68, |
355 | /* hdelayx1 */ 130, | |
356 | /* swidth */ (640 * 910 + 780 / 2) / 780, | |
357 | /* totalwidth */ 910, | |
358 | /* sqwidth */ 780, | |
359 | /* vdelay */ 0x1a, | |
360 | /* sheight */ 576, | |
361 | /* videostart0 */ 23) | |
1da177e4 LT |
362 | },{ |
363 | .v4l2_id = V4L2_STD_PAL_M, | |
364 | .name = "PAL-M", | |
365 | .Fsc = 28636363, | |
366 | .swidth = 640, | |
367 | .sheight = 480, | |
368 | .totalwidth = 910, | |
369 | .adelay = 0x68, | |
370 | .bdelay = 0x5d, | |
371 | .iform = (BT848_IFORM_PAL_M|BT848_IFORM_XT0), | |
372 | .scaledtwidth = 780, | |
373 | .hdelayx1 = 135, | |
374 | .hactivex1 = 754, | |
375 | .vdelay = 0x1a, | |
376 | .vbipack = 144, | |
377 | .sram = -1, | |
67f1570a | 378 | .vbistart = { 10, 273 }, |
e5bd0260 MS |
379 | CROPCAP(/* minhdelayx1 */ 68, |
380 | /* hdelayx1 */ 135, | |
381 | /* swidth */ (640 * 910 + 780 / 2) / 780, | |
382 | /* totalwidth */ 910, | |
383 | /* sqwidth */ 780, | |
384 | /* vdelay */ 0x1a, | |
385 | /* sheight */ 480, | |
386 | /* videostart0 */ 23) | |
1da177e4 LT |
387 | },{ |
388 | .v4l2_id = V4L2_STD_PAL_N, | |
389 | .name = "PAL-N", | |
390 | .Fsc = 35468950, | |
391 | .swidth = 768, | |
392 | .sheight = 576, | |
393 | .totalwidth = 1135, | |
394 | .adelay = 0x7f, | |
395 | .bdelay = 0x72, | |
396 | .iform = (BT848_IFORM_PAL_N|BT848_IFORM_XT1), | |
397 | .scaledtwidth = 944, | |
398 | .hdelayx1 = 186, | |
399 | .hactivex1 = 922, | |
400 | .vdelay = 0x20, | |
401 | .vbipack = 144, | |
402 | .sram = -1, | |
e5bd0260 MS |
403 | .vbistart = { 7, 320 }, |
404 | CROPCAP(/* minhdelayx1 */ 68, | |
405 | /* hdelayx1 */ 186, | |
406 | /* swidth */ (768 * 1135 + 944 / 2) / 944, | |
407 | /* totalwidth */ 1135, | |
408 | /* sqwidth */ 944, | |
409 | /* vdelay */ 0x20, | |
410 | /* sheight */ 576, | |
411 | /* videostart0 */ 23) | |
1da177e4 LT |
412 | },{ |
413 | .v4l2_id = V4L2_STD_NTSC_M_JP, | |
414 | .name = "NTSC-JP", | |
415 | .Fsc = 28636363, | |
416 | .swidth = 640, | |
417 | .sheight = 480, | |
418 | .totalwidth = 910, | |
419 | .adelay = 0x68, | |
420 | .bdelay = 0x5d, | |
421 | .iform = (BT848_IFORM_NTSC_J|BT848_IFORM_XT0), | |
422 | .scaledtwidth = 780, | |
423 | .hdelayx1 = 135, | |
424 | .hactivex1 = 754, | |
425 | .vdelay = 0x16, | |
426 | .vbipack = 144, | |
427 | .sram = -1, | |
e5bd0260 MS |
428 | .vbistart = { 10, 273 }, |
429 | CROPCAP(/* minhdelayx1 */ 68, | |
430 | /* hdelayx1 */ 135, | |
431 | /* swidth */ (640 * 910 + 780 / 2) / 780, | |
432 | /* totalwidth */ 910, | |
433 | /* sqwidth */ 780, | |
434 | /* vdelay */ 0x16, | |
435 | /* sheight */ 480, | |
436 | /* videostart0 */ 23) | |
1da177e4 LT |
437 | },{ |
438 | /* that one hopefully works with the strange timing | |
439 | * which video recorders produce when playing a NTSC | |
440 | * tape on a PAL TV ... */ | |
441 | .v4l2_id = V4L2_STD_PAL_60, | |
442 | .name = "PAL-60", | |
443 | .Fsc = 35468950, | |
444 | .swidth = 924, | |
445 | .sheight = 480, | |
446 | .totalwidth = 1135, | |
447 | .adelay = 0x7f, | |
448 | .bdelay = 0x72, | |
449 | .iform = (BT848_IFORM_PAL_BDGHI|BT848_IFORM_XT1), | |
450 | .scaledtwidth = 1135, | |
451 | .hdelayx1 = 186, | |
452 | .hactivex1 = 924, | |
453 | .vdelay = 0x1a, | |
454 | .vbipack = 255, | |
455 | .vtotal = 524, | |
456 | .sram = -1, | |
67f1570a | 457 | .vbistart = { 10, 273 }, |
e5bd0260 MS |
458 | CROPCAP(/* minhdelayx1 */ 68, |
459 | /* hdelayx1 */ 186, | |
460 | /* swidth */ 924, | |
461 | /* totalwidth */ 1135, | |
462 | /* sqwidth */ 944, | |
463 | /* vdelay */ 0x1a, | |
464 | /* sheight */ 480, | |
465 | /* videostart0 */ 23) | |
1da177e4 LT |
466 | } |
467 | }; | |
468 | static const unsigned int BTTV_TVNORMS = ARRAY_SIZE(bttv_tvnorms); | |
469 | ||
470 | /* ----------------------------------------------------------------------- */ | |
471 | /* bttv format list | |
472 | packed pixel formats must come first */ | |
473 | static const struct bttv_format bttv_formats[] = { | |
474 | { | |
475 | .name = "8 bpp, gray", | |
476 | .palette = VIDEO_PALETTE_GREY, | |
477 | .fourcc = V4L2_PIX_FMT_GREY, | |
478 | .btformat = BT848_COLOR_FMT_Y8, | |
479 | .depth = 8, | |
480 | .flags = FORMAT_FLAGS_PACKED, | |
481 | },{ | |
482 | .name = "8 bpp, dithered color", | |
483 | .palette = VIDEO_PALETTE_HI240, | |
484 | .fourcc = V4L2_PIX_FMT_HI240, | |
485 | .btformat = BT848_COLOR_FMT_RGB8, | |
486 | .depth = 8, | |
487 | .flags = FORMAT_FLAGS_PACKED | FORMAT_FLAGS_DITHER, | |
488 | },{ | |
489 | .name = "15 bpp RGB, le", | |
490 | .palette = VIDEO_PALETTE_RGB555, | |
491 | .fourcc = V4L2_PIX_FMT_RGB555, | |
492 | .btformat = BT848_COLOR_FMT_RGB15, | |
493 | .depth = 16, | |
494 | .flags = FORMAT_FLAGS_PACKED, | |
495 | },{ | |
496 | .name = "15 bpp RGB, be", | |
497 | .palette = -1, | |
498 | .fourcc = V4L2_PIX_FMT_RGB555X, | |
499 | .btformat = BT848_COLOR_FMT_RGB15, | |
500 | .btswap = 0x03, /* byteswap */ | |
501 | .depth = 16, | |
502 | .flags = FORMAT_FLAGS_PACKED, | |
503 | },{ | |
504 | .name = "16 bpp RGB, le", | |
505 | .palette = VIDEO_PALETTE_RGB565, | |
506 | .fourcc = V4L2_PIX_FMT_RGB565, | |
507 | .btformat = BT848_COLOR_FMT_RGB16, | |
508 | .depth = 16, | |
509 | .flags = FORMAT_FLAGS_PACKED, | |
510 | },{ | |
511 | .name = "16 bpp RGB, be", | |
512 | .palette = -1, | |
513 | .fourcc = V4L2_PIX_FMT_RGB565X, | |
514 | .btformat = BT848_COLOR_FMT_RGB16, | |
515 | .btswap = 0x03, /* byteswap */ | |
516 | .depth = 16, | |
517 | .flags = FORMAT_FLAGS_PACKED, | |
518 | },{ | |
519 | .name = "24 bpp RGB, le", | |
520 | .palette = VIDEO_PALETTE_RGB24, | |
521 | .fourcc = V4L2_PIX_FMT_BGR24, | |
522 | .btformat = BT848_COLOR_FMT_RGB24, | |
523 | .depth = 24, | |
524 | .flags = FORMAT_FLAGS_PACKED, | |
525 | },{ | |
526 | .name = "32 bpp RGB, le", | |
527 | .palette = VIDEO_PALETTE_RGB32, | |
528 | .fourcc = V4L2_PIX_FMT_BGR32, | |
529 | .btformat = BT848_COLOR_FMT_RGB32, | |
530 | .depth = 32, | |
531 | .flags = FORMAT_FLAGS_PACKED, | |
532 | },{ | |
533 | .name = "32 bpp RGB, be", | |
534 | .palette = -1, | |
535 | .fourcc = V4L2_PIX_FMT_RGB32, | |
536 | .btformat = BT848_COLOR_FMT_RGB32, | |
537 | .btswap = 0x0f, /* byte+word swap */ | |
538 | .depth = 32, | |
539 | .flags = FORMAT_FLAGS_PACKED, | |
540 | },{ | |
541 | .name = "4:2:2, packed, YUYV", | |
542 | .palette = VIDEO_PALETTE_YUV422, | |
543 | .fourcc = V4L2_PIX_FMT_YUYV, | |
544 | .btformat = BT848_COLOR_FMT_YUY2, | |
545 | .depth = 16, | |
546 | .flags = FORMAT_FLAGS_PACKED, | |
547 | },{ | |
548 | .name = "4:2:2, packed, YUYV", | |
549 | .palette = VIDEO_PALETTE_YUYV, | |
550 | .fourcc = V4L2_PIX_FMT_YUYV, | |
551 | .btformat = BT848_COLOR_FMT_YUY2, | |
552 | .depth = 16, | |
553 | .flags = FORMAT_FLAGS_PACKED, | |
554 | },{ | |
555 | .name = "4:2:2, packed, UYVY", | |
556 | .palette = VIDEO_PALETTE_UYVY, | |
557 | .fourcc = V4L2_PIX_FMT_UYVY, | |
558 | .btformat = BT848_COLOR_FMT_YUY2, | |
559 | .btswap = 0x03, /* byteswap */ | |
560 | .depth = 16, | |
561 | .flags = FORMAT_FLAGS_PACKED, | |
562 | },{ | |
563 | .name = "4:2:2, planar, Y-Cb-Cr", | |
564 | .palette = VIDEO_PALETTE_YUV422P, | |
565 | .fourcc = V4L2_PIX_FMT_YUV422P, | |
566 | .btformat = BT848_COLOR_FMT_YCrCb422, | |
567 | .depth = 16, | |
568 | .flags = FORMAT_FLAGS_PLANAR, | |
569 | .hshift = 1, | |
570 | .vshift = 0, | |
571 | },{ | |
572 | .name = "4:2:0, planar, Y-Cb-Cr", | |
573 | .palette = VIDEO_PALETTE_YUV420P, | |
574 | .fourcc = V4L2_PIX_FMT_YUV420, | |
575 | .btformat = BT848_COLOR_FMT_YCrCb422, | |
576 | .depth = 12, | |
577 | .flags = FORMAT_FLAGS_PLANAR, | |
578 | .hshift = 1, | |
579 | .vshift = 1, | |
580 | },{ | |
581 | .name = "4:2:0, planar, Y-Cr-Cb", | |
582 | .palette = -1, | |
583 | .fourcc = V4L2_PIX_FMT_YVU420, | |
584 | .btformat = BT848_COLOR_FMT_YCrCb422, | |
585 | .depth = 12, | |
586 | .flags = FORMAT_FLAGS_PLANAR | FORMAT_FLAGS_CrCb, | |
587 | .hshift = 1, | |
588 | .vshift = 1, | |
589 | },{ | |
590 | .name = "4:1:1, planar, Y-Cb-Cr", | |
591 | .palette = VIDEO_PALETTE_YUV411P, | |
592 | .fourcc = V4L2_PIX_FMT_YUV411P, | |
593 | .btformat = BT848_COLOR_FMT_YCrCb411, | |
594 | .depth = 12, | |
595 | .flags = FORMAT_FLAGS_PLANAR, | |
596 | .hshift = 2, | |
597 | .vshift = 0, | |
598 | },{ | |
599 | .name = "4:1:0, planar, Y-Cb-Cr", | |
600 | .palette = VIDEO_PALETTE_YUV410P, | |
601 | .fourcc = V4L2_PIX_FMT_YUV410, | |
602 | .btformat = BT848_COLOR_FMT_YCrCb411, | |
603 | .depth = 9, | |
604 | .flags = FORMAT_FLAGS_PLANAR, | |
605 | .hshift = 2, | |
606 | .vshift = 2, | |
607 | },{ | |
608 | .name = "4:1:0, planar, Y-Cr-Cb", | |
609 | .palette = -1, | |
610 | .fourcc = V4L2_PIX_FMT_YVU410, | |
611 | .btformat = BT848_COLOR_FMT_YCrCb411, | |
612 | .depth = 9, | |
613 | .flags = FORMAT_FLAGS_PLANAR | FORMAT_FLAGS_CrCb, | |
614 | .hshift = 2, | |
615 | .vshift = 2, | |
616 | },{ | |
617 | .name = "raw scanlines", | |
618 | .palette = VIDEO_PALETTE_RAW, | |
619 | .fourcc = -1, | |
620 | .btformat = BT848_COLOR_FMT_RAW, | |
621 | .depth = 8, | |
622 | .flags = FORMAT_FLAGS_RAW, | |
623 | } | |
624 | }; | |
625 | static const unsigned int BTTV_FORMATS = ARRAY_SIZE(bttv_formats); | |
626 | ||
627 | /* ----------------------------------------------------------------------- */ | |
628 | ||
629 | #define V4L2_CID_PRIVATE_CHROMA_AGC (V4L2_CID_PRIVATE_BASE + 0) | |
630 | #define V4L2_CID_PRIVATE_COMBFILTER (V4L2_CID_PRIVATE_BASE + 1) | |
631 | #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 2) | |
632 | #define V4L2_CID_PRIVATE_LUMAFILTER (V4L2_CID_PRIVATE_BASE + 3) | |
633 | #define V4L2_CID_PRIVATE_AGC_CRUSH (V4L2_CID_PRIVATE_BASE + 4) | |
634 | #define V4L2_CID_PRIVATE_VCR_HACK (V4L2_CID_PRIVATE_BASE + 5) | |
635 | #define V4L2_CID_PRIVATE_WHITECRUSH_UPPER (V4L2_CID_PRIVATE_BASE + 6) | |
636 | #define V4L2_CID_PRIVATE_WHITECRUSH_LOWER (V4L2_CID_PRIVATE_BASE + 7) | |
060d3027 MCC |
637 | #define V4L2_CID_PRIVATE_UV_RATIO (V4L2_CID_PRIVATE_BASE + 8) |
638 | #define V4L2_CID_PRIVATE_FULL_LUMA_RANGE (V4L2_CID_PRIVATE_BASE + 9) | |
639 | #define V4L2_CID_PRIVATE_CORING (V4L2_CID_PRIVATE_BASE + 10) | |
640 | #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 11) | |
1da177e4 LT |
641 | |
642 | static const struct v4l2_queryctrl no_ctl = { | |
643 | .name = "42", | |
644 | .flags = V4L2_CTRL_FLAG_DISABLED, | |
645 | }; | |
646 | static const struct v4l2_queryctrl bttv_ctls[] = { | |
647 | /* --- video --- */ | |
648 | { | |
649 | .id = V4L2_CID_BRIGHTNESS, | |
650 | .name = "Brightness", | |
651 | .minimum = 0, | |
652 | .maximum = 65535, | |
653 | .step = 256, | |
654 | .default_value = 32768, | |
655 | .type = V4L2_CTRL_TYPE_INTEGER, | |
656 | },{ | |
657 | .id = V4L2_CID_CONTRAST, | |
658 | .name = "Contrast", | |
659 | .minimum = 0, | |
660 | .maximum = 65535, | |
661 | .step = 128, | |
662 | .default_value = 32768, | |
663 | .type = V4L2_CTRL_TYPE_INTEGER, | |
664 | },{ | |
665 | .id = V4L2_CID_SATURATION, | |
666 | .name = "Saturation", | |
667 | .minimum = 0, | |
668 | .maximum = 65535, | |
669 | .step = 128, | |
670 | .default_value = 32768, | |
671 | .type = V4L2_CTRL_TYPE_INTEGER, | |
672 | },{ | |
673 | .id = V4L2_CID_HUE, | |
674 | .name = "Hue", | |
675 | .minimum = 0, | |
676 | .maximum = 65535, | |
677 | .step = 256, | |
678 | .default_value = 32768, | |
679 | .type = V4L2_CTRL_TYPE_INTEGER, | |
680 | }, | |
681 | /* --- audio --- */ | |
682 | { | |
683 | .id = V4L2_CID_AUDIO_MUTE, | |
684 | .name = "Mute", | |
685 | .minimum = 0, | |
686 | .maximum = 1, | |
687 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
688 | },{ | |
689 | .id = V4L2_CID_AUDIO_VOLUME, | |
690 | .name = "Volume", | |
691 | .minimum = 0, | |
692 | .maximum = 65535, | |
693 | .step = 65535/100, | |
694 | .default_value = 65535, | |
695 | .type = V4L2_CTRL_TYPE_INTEGER, | |
696 | },{ | |
697 | .id = V4L2_CID_AUDIO_BALANCE, | |
698 | .name = "Balance", | |
699 | .minimum = 0, | |
700 | .maximum = 65535, | |
701 | .step = 65535/100, | |
702 | .default_value = 32768, | |
703 | .type = V4L2_CTRL_TYPE_INTEGER, | |
704 | },{ | |
705 | .id = V4L2_CID_AUDIO_BASS, | |
706 | .name = "Bass", | |
707 | .minimum = 0, | |
708 | .maximum = 65535, | |
709 | .step = 65535/100, | |
710 | .default_value = 32768, | |
711 | .type = V4L2_CTRL_TYPE_INTEGER, | |
712 | },{ | |
713 | .id = V4L2_CID_AUDIO_TREBLE, | |
714 | .name = "Treble", | |
715 | .minimum = 0, | |
716 | .maximum = 65535, | |
717 | .step = 65535/100, | |
718 | .default_value = 32768, | |
719 | .type = V4L2_CTRL_TYPE_INTEGER, | |
720 | }, | |
721 | /* --- private --- */ | |
722 | { | |
723 | .id = V4L2_CID_PRIVATE_CHROMA_AGC, | |
724 | .name = "chroma agc", | |
725 | .minimum = 0, | |
726 | .maximum = 1, | |
727 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
728 | },{ | |
729 | .id = V4L2_CID_PRIVATE_COMBFILTER, | |
730 | .name = "combfilter", | |
731 | .minimum = 0, | |
732 | .maximum = 1, | |
733 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
734 | },{ | |
735 | .id = V4L2_CID_PRIVATE_AUTOMUTE, | |
736 | .name = "automute", | |
737 | .minimum = 0, | |
738 | .maximum = 1, | |
739 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
740 | },{ | |
741 | .id = V4L2_CID_PRIVATE_LUMAFILTER, | |
742 | .name = "luma decimation filter", | |
743 | .minimum = 0, | |
744 | .maximum = 1, | |
745 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
746 | },{ | |
747 | .id = V4L2_CID_PRIVATE_AGC_CRUSH, | |
748 | .name = "agc crush", | |
749 | .minimum = 0, | |
750 | .maximum = 1, | |
751 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
752 | },{ | |
753 | .id = V4L2_CID_PRIVATE_VCR_HACK, | |
754 | .name = "vcr hack", | |
755 | .minimum = 0, | |
756 | .maximum = 1, | |
757 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
758 | },{ | |
759 | .id = V4L2_CID_PRIVATE_WHITECRUSH_UPPER, | |
760 | .name = "whitecrush upper", | |
761 | .minimum = 0, | |
762 | .maximum = 255, | |
763 | .step = 1, | |
764 | .default_value = 0xCF, | |
765 | .type = V4L2_CTRL_TYPE_INTEGER, | |
766 | },{ | |
767 | .id = V4L2_CID_PRIVATE_WHITECRUSH_LOWER, | |
768 | .name = "whitecrush lower", | |
769 | .minimum = 0, | |
770 | .maximum = 255, | |
771 | .step = 1, | |
772 | .default_value = 0x7F, | |
773 | .type = V4L2_CTRL_TYPE_INTEGER, | |
060d3027 MCC |
774 | },{ |
775 | .id = V4L2_CID_PRIVATE_UV_RATIO, | |
776 | .name = "uv ratio", | |
777 | .minimum = 0, | |
778 | .maximum = 100, | |
779 | .step = 1, | |
780 | .default_value = 50, | |
781 | .type = V4L2_CTRL_TYPE_INTEGER, | |
782 | },{ | |
783 | .id = V4L2_CID_PRIVATE_FULL_LUMA_RANGE, | |
784 | .name = "full luma range", | |
785 | .minimum = 0, | |
786 | .maximum = 1, | |
787 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
788 | },{ | |
789 | .id = V4L2_CID_PRIVATE_CORING, | |
790 | .name = "coring", | |
791 | .minimum = 0, | |
792 | .maximum = 3, | |
793 | .step = 1, | |
794 | .default_value = 0, | |
795 | .type = V4L2_CTRL_TYPE_INTEGER, | |
1da177e4 LT |
796 | } |
797 | ||
060d3027 MCC |
798 | |
799 | ||
1da177e4 LT |
800 | }; |
801 | static const int BTTV_CTLS = ARRAY_SIZE(bttv_ctls); | |
802 | ||
803 | /* ----------------------------------------------------------------------- */ | |
804 | /* resource management */ | |
805 | ||
e5bd0260 MS |
806 | /* |
807 | RESOURCE_ allocated by freed by | |
808 | ||
809 | VIDEO_READ bttv_read 1) bttv_read 2) | |
810 | ||
811 | VIDEO_STREAM VIDIOC_STREAMON VIDIOC_STREAMOFF | |
812 | VIDIOC_QBUF 1) bttv_release | |
813 | VIDIOCMCAPTURE 1) | |
814 | ||
815 | OVERLAY VIDIOCCAPTURE on VIDIOCCAPTURE off | |
816 | VIDIOC_OVERLAY on VIDIOC_OVERLAY off | |
817 | 3) bttv_release | |
818 | ||
819 | VBI VIDIOC_STREAMON VIDIOC_STREAMOFF | |
820 | VIDIOC_QBUF 1) bttv_release | |
821 | bttv_read, bttv_poll 1) 4) | |
822 | ||
823 | 1) The resource must be allocated when we enter buffer prepare functions | |
824 | and remain allocated while buffers are in the DMA queue. | |
825 | 2) This is a single frame read. | |
826 | 3) VIDIOC_S_FBUF and VIDIOC_S_FMT (OVERLAY) still work when | |
827 | RESOURCE_OVERLAY is allocated. | |
828 | 4) This is a continuous read, implies VIDIOC_STREAMON. | |
829 | ||
830 | Note this driver permits video input and standard changes regardless if | |
831 | resources are allocated. | |
832 | */ | |
833 | ||
834 | #define VBI_RESOURCES (RESOURCE_VBI) | |
835 | #define VIDEO_RESOURCES (RESOURCE_VIDEO_READ | \ | |
836 | RESOURCE_VIDEO_STREAM | \ | |
837 | RESOURCE_OVERLAY) | |
838 | ||
1da177e4 LT |
839 | static |
840 | int check_alloc_btres(struct bttv *btv, struct bttv_fh *fh, int bit) | |
841 | { | |
e5bd0260 MS |
842 | int xbits; /* mutual exclusive resources */ |
843 | ||
1da177e4 LT |
844 | if (fh->resources & bit) |
845 | /* have it already allocated */ | |
846 | return 1; | |
847 | ||
e5bd0260 MS |
848 | xbits = bit; |
849 | if (bit & (RESOURCE_VIDEO_READ | RESOURCE_VIDEO_STREAM)) | |
850 | xbits |= RESOURCE_VIDEO_READ | RESOURCE_VIDEO_STREAM; | |
851 | ||
1da177e4 | 852 | /* is it free? */ |
e5bd0260 MS |
853 | mutex_lock(&btv->lock); |
854 | if (btv->resources & xbits) { | |
1da177e4 | 855 | /* no, someone else uses it */ |
e5bd0260 MS |
856 | goto fail; |
857 | } | |
858 | ||
859 | if ((bit & VIDEO_RESOURCES) | |
860 | && 0 == (btv->resources & VIDEO_RESOURCES)) { | |
861 | /* Do crop - use current, don't - use default parameters. */ | |
862 | __s32 top = btv->crop[!!fh->do_crop].rect.top; | |
863 | ||
864 | if (btv->vbi_end > top) | |
865 | goto fail; | |
866 | ||
867 | /* We cannot capture the same line as video and VBI data. | |
868 | Claim scan lines crop[].rect.top to bottom. */ | |
869 | btv->crop_start = top; | |
870 | } else if (bit & VBI_RESOURCES) { | |
871 | __s32 end = fh->vbi_fmt.end; | |
872 | ||
873 | if (end > btv->crop_start) | |
874 | goto fail; | |
875 | ||
876 | /* Claim scan lines above fh->vbi_fmt.end. */ | |
877 | btv->vbi_end = end; | |
1da177e4 | 878 | } |
e5bd0260 | 879 | |
1da177e4 LT |
880 | /* it's free, grab it */ |
881 | fh->resources |= bit; | |
882 | btv->resources |= bit; | |
e5bd0260 | 883 | mutex_unlock(&btv->lock); |
1da177e4 | 884 | return 1; |
e5bd0260 MS |
885 | |
886 | fail: | |
887 | mutex_unlock(&btv->lock); | |
888 | return 0; | |
1da177e4 LT |
889 | } |
890 | ||
891 | static | |
892 | int check_btres(struct bttv_fh *fh, int bit) | |
893 | { | |
894 | return (fh->resources & bit); | |
895 | } | |
896 | ||
897 | static | |
898 | int locked_btres(struct bttv *btv, int bit) | |
899 | { | |
900 | return (btv->resources & bit); | |
901 | } | |
902 | ||
e5bd0260 MS |
903 | /* Call with btv->lock down. */ |
904 | static void | |
905 | disclaim_vbi_lines(struct bttv *btv) | |
906 | { | |
907 | btv->vbi_end = 0; | |
908 | } | |
909 | ||
910 | /* Call with btv->lock down. */ | |
911 | static void | |
912 | disclaim_video_lines(struct bttv *btv) | |
913 | { | |
914 | const struct bttv_tvnorm *tvnorm; | |
915 | u8 crop; | |
916 | ||
917 | tvnorm = &bttv_tvnorms[btv->tvnorm]; | |
918 | btv->crop_start = tvnorm->cropcap.bounds.top | |
919 | + tvnorm->cropcap.bounds.height; | |
920 | ||
921 | /* VBI capturing ends at VDELAY, start of video capturing, no | |
922 | matter how many lines the VBI RISC program expects. When video | |
923 | capturing is off, it shall no longer "preempt" VBI capturing, | |
924 | so we set VDELAY to maximum. */ | |
925 | crop = btread(BT848_E_CROP) | 0xc0; | |
926 | btwrite(crop, BT848_E_CROP); | |
927 | btwrite(0xfe, BT848_E_VDELAY_LO); | |
928 | btwrite(crop, BT848_O_CROP); | |
929 | btwrite(0xfe, BT848_O_VDELAY_LO); | |
930 | } | |
931 | ||
1da177e4 LT |
932 | static |
933 | void free_btres(struct bttv *btv, struct bttv_fh *fh, int bits) | |
934 | { | |
1da177e4 LT |
935 | if ((fh->resources & bits) != bits) { |
936 | /* trying to free ressources not allocated by us ... */ | |
937 | printk("bttv: BUG! (btres)\n"); | |
938 | } | |
e5bd0260 | 939 | mutex_lock(&btv->lock); |
1da177e4 LT |
940 | fh->resources &= ~bits; |
941 | btv->resources &= ~bits; | |
e5bd0260 MS |
942 | |
943 | bits = btv->resources; | |
944 | ||
945 | if (0 == (bits & VIDEO_RESOURCES)) | |
946 | disclaim_video_lines(btv); | |
947 | ||
948 | if (0 == (bits & VBI_RESOURCES)) | |
949 | disclaim_vbi_lines(btv); | |
950 | ||
951 | mutex_unlock(&btv->lock); | |
1da177e4 LT |
952 | } |
953 | ||
954 | /* ----------------------------------------------------------------------- */ | |
955 | /* If Bt848a or Bt849, use PLL for PAL/SECAM and crystal for NTSC */ | |
956 | ||
957 | /* Frequency = (F_input / PLL_X) * PLL_I.PLL_F/PLL_C | |
958 | PLL_X = Reference pre-divider (0=1, 1=2) | |
959 | PLL_C = Post divider (0=6, 1=4) | |
960 | PLL_I = Integer input | |
961 | PLL_F = Fractional input | |
962 | ||
963 | F_input = 28.636363 MHz: | |
964 | PAL (CLKx2 = 35.46895 MHz): PLL_X = 1, PLL_I = 0x0E, PLL_F = 0xDCF9, PLL_C = 0 | |
965 | */ | |
966 | ||
967 | static void set_pll_freq(struct bttv *btv, unsigned int fin, unsigned int fout) | |
968 | { | |
afd1a0c9 | 969 | unsigned char fl, fh, fi; |
1da177e4 | 970 | |
afd1a0c9 MCC |
971 | /* prevent overflows */ |
972 | fin/=4; | |
973 | fout/=4; | |
1da177e4 | 974 | |
afd1a0c9 MCC |
975 | fout*=12; |
976 | fi=fout/fin; | |
1da177e4 | 977 | |
afd1a0c9 MCC |
978 | fout=(fout%fin)*256; |
979 | fh=fout/fin; | |
1da177e4 | 980 | |
afd1a0c9 MCC |
981 | fout=(fout%fin)*256; |
982 | fl=fout/fin; | |
1da177e4 | 983 | |
afd1a0c9 MCC |
984 | btwrite(fl, BT848_PLL_F_LO); |
985 | btwrite(fh, BT848_PLL_F_HI); | |
986 | btwrite(fi|BT848_PLL_X, BT848_PLL_XCI); | |
1da177e4 LT |
987 | } |
988 | ||
989 | static void set_pll(struct bttv *btv) | |
990 | { | |
afd1a0c9 | 991 | int i; |
1da177e4 | 992 | |
afd1a0c9 MCC |
993 | if (!btv->pll.pll_crystal) |
994 | return; | |
1da177e4 LT |
995 | |
996 | if (btv->pll.pll_ofreq == btv->pll.pll_current) { | |
997 | dprintk("bttv%d: PLL: no change required\n",btv->c.nr); | |
afd1a0c9 MCC |
998 | return; |
999 | } | |
1da177e4 | 1000 | |
afd1a0c9 MCC |
1001 | if (btv->pll.pll_ifreq == btv->pll.pll_ofreq) { |
1002 | /* no PLL needed */ | |
1003 | if (btv->pll.pll_current == 0) | |
674434c6 | 1004 | return; |
e1e70a26 | 1005 | bttv_printk(KERN_INFO "bttv%d: PLL can sleep, using XTAL (%d).\n", |
674434c6 | 1006 | btv->c.nr,btv->pll.pll_ifreq); |
afd1a0c9 MCC |
1007 | btwrite(0x00,BT848_TGCTRL); |
1008 | btwrite(0x00,BT848_PLL_XCI); | |
1009 | btv->pll.pll_current = 0; | |
1010 | return; | |
1011 | } | |
1da177e4 | 1012 | |
e1e70a26 | 1013 | bttv_printk(KERN_INFO "bttv%d: PLL: %d => %d ",btv->c.nr, |
674434c6 | 1014 | btv->pll.pll_ifreq, btv->pll.pll_ofreq); |
1da177e4 LT |
1015 | set_pll_freq(btv, btv->pll.pll_ifreq, btv->pll.pll_ofreq); |
1016 | ||
afd1a0c9 | 1017 | for (i=0; i<10; i++) { |
1da177e4 | 1018 | /* Let other people run while the PLL stabilizes */ |
e1e70a26 | 1019 | bttv_printk("."); |
1da177e4 LT |
1020 | msleep(10); |
1021 | ||
afd1a0c9 | 1022 | if (btread(BT848_DSTATUS) & BT848_DSTATUS_PLOCK) { |
1da177e4 | 1023 | btwrite(0,BT848_DSTATUS); |
afd1a0c9 | 1024 | } else { |
674434c6 MCC |
1025 | btwrite(0x08,BT848_TGCTRL); |
1026 | btv->pll.pll_current = btv->pll.pll_ofreq; | |
e1e70a26 | 1027 | bttv_printk(" ok\n"); |
674434c6 | 1028 | return; |
afd1a0c9 MCC |
1029 | } |
1030 | } | |
1031 | btv->pll.pll_current = -1; | |
e1e70a26 | 1032 | bttv_printk("failed\n"); |
afd1a0c9 | 1033 | return; |
1da177e4 LT |
1034 | } |
1035 | ||
1036 | /* used to switch between the bt848's analog/digital video capture modes */ | |
1037 | static void bt848A_set_timing(struct bttv *btv) | |
1038 | { | |
1039 | int i, len; | |
1040 | int table_idx = bttv_tvnorms[btv->tvnorm].sram; | |
1041 | int fsc = bttv_tvnorms[btv->tvnorm].Fsc; | |
1042 | ||
1043 | if (UNSET == bttv_tvcards[btv->c.type].muxsel[btv->input]) { | |
1044 | dprintk("bttv%d: load digital timing table (table_idx=%d)\n", | |
1045 | btv->c.nr,table_idx); | |
1046 | ||
1047 | /* timing change...reset timing generator address */ | |
4ac97914 MCC |
1048 | btwrite(0x00, BT848_TGCTRL); |
1049 | btwrite(0x02, BT848_TGCTRL); | |
1050 | btwrite(0x00, BT848_TGCTRL); | |
1da177e4 LT |
1051 | |
1052 | len=SRAM_Table[table_idx][0]; | |
1053 | for(i = 1; i <= len; i++) | |
1054 | btwrite(SRAM_Table[table_idx][i],BT848_TGLB); | |
1055 | btv->pll.pll_ofreq = 27000000; | |
1056 | ||
1057 | set_pll(btv); | |
1058 | btwrite(0x11, BT848_TGCTRL); | |
1059 | btwrite(0x41, BT848_DVSIF); | |
1060 | } else { | |
1061 | btv->pll.pll_ofreq = fsc; | |
1062 | set_pll(btv); | |
1063 | btwrite(0x0, BT848_DVSIF); | |
1064 | } | |
1065 | } | |
1066 | ||
1067 | /* ----------------------------------------------------------------------- */ | |
1068 | ||
1069 | static void bt848_bright(struct bttv *btv, int bright) | |
1070 | { | |
1071 | int value; | |
1072 | ||
1073 | // printk("bttv: set bright: %d\n",bright); // DEBUG | |
1074 | btv->bright = bright; | |
1075 | ||
1076 | /* We want -128 to 127 we get 0-65535 */ | |
1077 | value = (bright >> 8) - 128; | |
1078 | btwrite(value & 0xff, BT848_BRIGHT); | |
1079 | } | |
1080 | ||
1081 | static void bt848_hue(struct bttv *btv, int hue) | |
1082 | { | |
1083 | int value; | |
1084 | ||
1085 | btv->hue = hue; | |
1086 | ||
1087 | /* -128 to 127 */ | |
1088 | value = (hue >> 8) - 128; | |
4ac97914 | 1089 | btwrite(value & 0xff, BT848_HUE); |
1da177e4 LT |
1090 | } |
1091 | ||
1092 | static void bt848_contrast(struct bttv *btv, int cont) | |
1093 | { | |
1094 | int value,hibit; | |
1095 | ||
1096 | btv->contrast = cont; | |
1097 | ||
1098 | /* 0-511 */ | |
1099 | value = (cont >> 7); | |
1100 | hibit = (value >> 6) & 4; | |
4ac97914 MCC |
1101 | btwrite(value & 0xff, BT848_CONTRAST_LO); |
1102 | btaor(hibit, ~4, BT848_E_CONTROL); | |
1103 | btaor(hibit, ~4, BT848_O_CONTROL); | |
1da177e4 LT |
1104 | } |
1105 | ||
1106 | static void bt848_sat(struct bttv *btv, int color) | |
1107 | { | |
1108 | int val_u,val_v,hibits; | |
1109 | ||
1110 | btv->saturation = color; | |
1111 | ||
1112 | /* 0-511 for the color */ | |
060d3027 MCC |
1113 | val_u = ((color * btv->opt_uv_ratio) / 50) >> 7; |
1114 | val_v = (((color * (100 - btv->opt_uv_ratio) / 50) >>7)*180L)/254; | |
4ac97914 | 1115 | hibits = (val_u >> 7) & 2; |
1da177e4 | 1116 | hibits |= (val_v >> 8) & 1; |
4ac97914 MCC |
1117 | btwrite(val_u & 0xff, BT848_SAT_U_LO); |
1118 | btwrite(val_v & 0xff, BT848_SAT_V_LO); | |
1119 | btaor(hibits, ~3, BT848_E_CONTROL); | |
1120 | btaor(hibits, ~3, BT848_O_CONTROL); | |
1da177e4 LT |
1121 | } |
1122 | ||
1123 | /* ----------------------------------------------------------------------- */ | |
1124 | ||
1125 | static int | |
1126 | video_mux(struct bttv *btv, unsigned int input) | |
1127 | { | |
1128 | int mux,mask2; | |
1129 | ||
1130 | if (input >= bttv_tvcards[btv->c.type].video_inputs) | |
1131 | return -EINVAL; | |
1132 | ||
4ac97914 | 1133 | /* needed by RemoteVideo MX */ |
1da177e4 LT |
1134 | mask2 = bttv_tvcards[btv->c.type].gpiomask2; |
1135 | if (mask2) | |
1136 | gpio_inout(mask2,mask2); | |
1137 | ||
1138 | if (input == btv->svhs) { | |
1139 | btor(BT848_CONTROL_COMP, BT848_E_CONTROL); | |
1140 | btor(BT848_CONTROL_COMP, BT848_O_CONTROL); | |
1141 | } else { | |
1142 | btand(~BT848_CONTROL_COMP, BT848_E_CONTROL); | |
1143 | btand(~BT848_CONTROL_COMP, BT848_O_CONTROL); | |
1144 | } | |
1145 | mux = bttv_tvcards[btv->c.type].muxsel[input] & 3; | |
1146 | btaor(mux<<5, ~(3<<5), BT848_IFORM); | |
1147 | dprintk(KERN_DEBUG "bttv%d: video mux: input=%d mux=%d\n", | |
1148 | btv->c.nr,input,mux); | |
1149 | ||
1150 | /* card specific hook */ | |
1151 | if(bttv_tvcards[btv->c.type].muxsel_hook) | |
1152 | bttv_tvcards[btv->c.type].muxsel_hook (btv, input); | |
1153 | return 0; | |
1154 | } | |
1155 | ||
1156 | static char *audio_modes[] = { | |
1157 | "audio: tuner", "audio: radio", "audio: extern", | |
8bf2f8e7 | 1158 | "audio: intern", "audio: mute" |
1da177e4 LT |
1159 | }; |
1160 | ||
1161 | static int | |
8bf2f8e7 | 1162 | audio_mux(struct bttv *btv, int input, int mute) |
1da177e4 | 1163 | { |
8bf2f8e7 | 1164 | int gpio_val, signal; |
8bf2f8e7 HV |
1165 | struct v4l2_control ctrl; |
1166 | struct i2c_client *c; | |
1da177e4 LT |
1167 | |
1168 | gpio_inout(bttv_tvcards[btv->c.type].gpiomask, | |
1169 | bttv_tvcards[btv->c.type].gpiomask); | |
1170 | signal = btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC; | |
1171 | ||
8bf2f8e7 HV |
1172 | btv->mute = mute; |
1173 | btv->audio = input; | |
1174 | ||
1175 | /* automute */ | |
1176 | mute = mute || (btv->opt_automute && !signal && !btv->radio_user); | |
1177 | ||
1178 | if (mute) | |
1179 | gpio_val = bttv_tvcards[btv->c.type].gpiomute; | |
1180 | else | |
1181 | gpio_val = bttv_tvcards[btv->c.type].gpiomux[input]; | |
8bf2f8e7 HV |
1182 | |
1183 | gpio_bits(bttv_tvcards[btv->c.type].gpiomask, gpio_val); | |
1da177e4 | 1184 | if (bttv_gpio) |
8bf2f8e7 HV |
1185 | bttv_gpio_tracking(btv, audio_modes[mute ? 4 : input]); |
1186 | if (in_interrupt()) | |
1187 | return 0; | |
1188 | ||
1189 | ctrl.id = V4L2_CID_AUDIO_MUTE; | |
2474ed44 | 1190 | ctrl.value = btv->mute; |
8bf2f8e7 HV |
1191 | bttv_call_i2c_clients(btv, VIDIOC_S_CTRL, &ctrl); |
1192 | c = btv->i2c_msp34xx_client; | |
2474ed44 HV |
1193 | if (c) { |
1194 | struct v4l2_routing route; | |
1195 | ||
1196 | /* Note: the inputs tuner/radio/extern/intern are translated | |
1197 | to msp routings. This assumes common behavior for all msp3400 | |
1198 | based TV cards. When this assumption fails, then the | |
1199 | specific MSP routing must be added to the card table. | |
1200 | For now this is sufficient. */ | |
1201 | switch (input) { | |
1202 | case TVAUDIO_INPUT_RADIO: | |
07151724 HV |
1203 | route.input = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1, |
1204 | MSP_DSP_IN_SCART, MSP_DSP_IN_SCART); | |
2474ed44 HV |
1205 | break; |
1206 | case TVAUDIO_INPUT_EXTERN: | |
07151724 HV |
1207 | route.input = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1, |
1208 | MSP_DSP_IN_SCART, MSP_DSP_IN_SCART); | |
2474ed44 HV |
1209 | break; |
1210 | case TVAUDIO_INPUT_INTERN: | |
1211 | /* Yes, this is the same input as for RADIO. I doubt | |
1212 | if this is ever used. The only board with an INTERN | |
1213 | input is the BTTV_BOARD_AVERMEDIA98. I wonder how | |
1214 | that was tested. My guess is that the whole INTERN | |
1215 | input does not work. */ | |
07151724 HV |
1216 | route.input = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1, |
1217 | MSP_DSP_IN_SCART, MSP_DSP_IN_SCART); | |
2474ed44 HV |
1218 | break; |
1219 | case TVAUDIO_INPUT_TUNER: | |
1220 | default: | |
434b2526 WB |
1221 | /* This is the only card that uses TUNER2, and afaik, |
1222 | is the only difference between the VOODOOTV_FM | |
1223 | and VOODOOTV_200 */ | |
1224 | if (btv->c.type == BTTV_BOARD_VOODOOTV_200) | |
1225 | route.input = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER2, \ | |
1226 | MSP_DSP_IN_TUNER, MSP_DSP_IN_TUNER); | |
1227 | else | |
1228 | route.input = MSP_INPUT_DEFAULT; | |
2474ed44 HV |
1229 | break; |
1230 | } | |
1231 | route.output = MSP_OUTPUT_DEFAULT; | |
1232 | c->driver->command(c, VIDIOC_INT_S_AUDIO_ROUTING, &route); | |
1233 | } | |
8bf2f8e7 | 1234 | c = btv->i2c_tvaudio_client; |
2474ed44 HV |
1235 | if (c) { |
1236 | struct v4l2_routing route; | |
1237 | ||
1238 | route.input = input; | |
1239 | route.output = 0; | |
1240 | c->driver->command(c, VIDIOC_INT_S_AUDIO_ROUTING, &route); | |
1241 | } | |
1da177e4 LT |
1242 | return 0; |
1243 | } | |
1244 | ||
8bf2f8e7 HV |
1245 | static inline int |
1246 | audio_mute(struct bttv *btv, int mute) | |
1247 | { | |
1248 | return audio_mux(btv, btv->audio, mute); | |
1249 | } | |
1250 | ||
1251 | static inline int | |
1252 | audio_input(struct bttv *btv, int input) | |
1253 | { | |
1254 | return audio_mux(btv, input, btv->mute); | |
1255 | } | |
1256 | ||
1da177e4 LT |
1257 | static void |
1258 | i2c_vidiocschan(struct bttv *btv) | |
1259 | { | |
0020d3ef | 1260 | v4l2_std_id std = bttv_tvnorms[btv->tvnorm].v4l2_id; |
1da177e4 | 1261 | |
0020d3ef | 1262 | bttv_call_i2c_clients(btv, VIDIOC_S_STD, &std); |
434b2526 | 1263 | if (btv->c.type == BTTV_BOARD_VOODOOTV_FM || btv->c.type == BTTV_BOARD_VOODOOTV_200) |
0020d3ef | 1264 | bttv_tda9880_setnorm(btv,btv->tvnorm); |
1da177e4 LT |
1265 | } |
1266 | ||
e5bd0260 MS |
1267 | static void |
1268 | bttv_crop_calc_limits(struct bttv_crop *c) | |
1269 | { | |
1270 | /* Scale factor min. 1:1, max. 16:1. Min. image size | |
1271 | 48 x 32. Scaled width must be a multiple of 4. */ | |
1272 | ||
1273 | if (1) { | |
1274 | /* For bug compatibility with VIDIOCGCAP and image | |
1275 | size checks in earlier driver versions. */ | |
1276 | c->min_scaled_width = 48; | |
1277 | c->min_scaled_height = 32; | |
1278 | } else { | |
1279 | c->min_scaled_width = | |
1280 | (max(48, c->rect.width >> 4) + 3) & ~3; | |
1281 | c->min_scaled_height = | |
1282 | max(32, c->rect.height >> 4); | |
1283 | } | |
1284 | ||
1285 | c->max_scaled_width = c->rect.width & ~3; | |
1286 | c->max_scaled_height = c->rect.height; | |
1287 | } | |
1288 | ||
1289 | static void | |
1290 | bttv_crop_reset(struct bttv_crop *c, int norm) | |
1291 | { | |
1292 | c->rect = bttv_tvnorms[norm].cropcap.defrect; | |
1293 | bttv_crop_calc_limits(c); | |
1294 | } | |
1295 | ||
1296 | /* Call with btv->lock down. */ | |
1da177e4 LT |
1297 | static int |
1298 | set_tvnorm(struct bttv *btv, unsigned int norm) | |
1299 | { | |
1300 | const struct bttv_tvnorm *tvnorm; | |
1301 | ||
1302 | if (norm < 0 || norm >= BTTV_TVNORMS) | |
1303 | return -EINVAL; | |
1304 | ||
1da177e4 LT |
1305 | tvnorm = &bttv_tvnorms[norm]; |
1306 | ||
e5bd0260 MS |
1307 | if (btv->tvnorm < 0 || |
1308 | btv->tvnorm >= BTTV_TVNORMS || | |
1309 | 0 != memcmp(&bttv_tvnorms[btv->tvnorm].cropcap, | |
1310 | &tvnorm->cropcap, | |
1311 | sizeof (tvnorm->cropcap))) { | |
1312 | bttv_crop_reset(&btv->crop[0], norm); | |
1313 | btv->crop[1] = btv->crop[0]; /* current = default */ | |
1314 | ||
1315 | if (0 == (btv->resources & VIDEO_RESOURCES)) { | |
1316 | btv->crop_start = tvnorm->cropcap.bounds.top | |
1317 | + tvnorm->cropcap.bounds.height; | |
1318 | } | |
1319 | } | |
1320 | ||
1321 | btv->tvnorm = norm; | |
1322 | ||
1da177e4 LT |
1323 | btwrite(tvnorm->adelay, BT848_ADELAY); |
1324 | btwrite(tvnorm->bdelay, BT848_BDELAY); | |
1325 | btaor(tvnorm->iform,~(BT848_IFORM_NORM|BT848_IFORM_XTBOTH), | |
1326 | BT848_IFORM); | |
1327 | btwrite(tvnorm->vbipack, BT848_VBI_PACK_SIZE); | |
1328 | btwrite(1, BT848_VBI_PACK_DEL); | |
1329 | bt848A_set_timing(btv); | |
1330 | ||
1331 | switch (btv->c.type) { | |
5a25e84b | 1332 | case BTTV_BOARD_VOODOOTV_FM: |
434b2526 | 1333 | case BTTV_BOARD_VOODOOTV_200: |
1da177e4 LT |
1334 | bttv_tda9880_setnorm(btv,norm); |
1335 | break; | |
1da177e4 LT |
1336 | } |
1337 | return 0; | |
1338 | } | |
1339 | ||
e5bd0260 | 1340 | /* Call with btv->lock down. */ |
1da177e4 | 1341 | static void |
333408f2 | 1342 | set_input(struct bttv *btv, unsigned int input, unsigned int norm) |
1da177e4 LT |
1343 | { |
1344 | unsigned long flags; | |
1345 | ||
1346 | btv->input = input; | |
1347 | if (irq_iswitch) { | |
1348 | spin_lock_irqsave(&btv->s_lock,flags); | |
1349 | if (btv->curr.frame_irq) { | |
1350 | /* active capture -> delayed input switch */ | |
1351 | btv->new_input = input; | |
1352 | } else { | |
1353 | video_mux(btv,input); | |
1354 | } | |
1355 | spin_unlock_irqrestore(&btv->s_lock,flags); | |
1356 | } else { | |
1357 | video_mux(btv,input); | |
1358 | } | |
8bf2f8e7 HV |
1359 | audio_input(btv,(input == bttv_tvcards[btv->c.type].tuner ? |
1360 | TVAUDIO_INPUT_TUNER : TVAUDIO_INPUT_EXTERN)); | |
333408f2 | 1361 | set_tvnorm(btv, norm); |
1da177e4 LT |
1362 | i2c_vidiocschan(btv); |
1363 | } | |
1364 | ||
1365 | static void init_irqreg(struct bttv *btv) | |
1366 | { | |
1367 | /* clear status */ | |
1368 | btwrite(0xfffffUL, BT848_INT_STAT); | |
1369 | ||
1370 | if (bttv_tvcards[btv->c.type].no_video) { | |
1371 | /* i2c only */ | |
1372 | btwrite(BT848_INT_I2CDONE, | |
1373 | BT848_INT_MASK); | |
1374 | } else { | |
1375 | /* full video */ | |
1376 | btwrite((btv->triton1) | | |
1377 | (btv->gpioirq ? BT848_INT_GPINT : 0) | | |
1378 | BT848_INT_SCERR | | |
1379 | (fdsr ? BT848_INT_FDSR : 0) | | |
1380 | BT848_INT_RISCI|BT848_INT_OCERR|BT848_INT_VPRES| | |
1381 | BT848_INT_FMTCHG|BT848_INT_HLOCK| | |
1382 | BT848_INT_I2CDONE, | |
1383 | BT848_INT_MASK); | |
1384 | } | |
1385 | } | |
1386 | ||
1387 | static void init_bt848(struct bttv *btv) | |
1388 | { | |
1389 | int val; | |
1390 | ||
1391 | if (bttv_tvcards[btv->c.type].no_video) { | |
1392 | /* very basic init only */ | |
1393 | init_irqreg(btv); | |
1394 | return; | |
1395 | } | |
1396 | ||
1397 | btwrite(0x00, BT848_CAP_CTL); | |
1398 | btwrite(BT848_COLOR_CTL_GAMMA, BT848_COLOR_CTL); | |
1399 | btwrite(BT848_IFORM_XTAUTO | BT848_IFORM_AUTO, BT848_IFORM); | |
1400 | ||
4ac97914 MCC |
1401 | /* set planar and packed mode trigger points and */ |
1402 | /* set rising edge of inverted GPINTR pin as irq trigger */ | |
1403 | btwrite(BT848_GPIO_DMA_CTL_PKTP_32| | |
1404 | BT848_GPIO_DMA_CTL_PLTP1_16| | |
1405 | BT848_GPIO_DMA_CTL_PLTP23_16| | |
1406 | BT848_GPIO_DMA_CTL_GPINTC| | |
1407 | BT848_GPIO_DMA_CTL_GPINTI, | |
1408 | BT848_GPIO_DMA_CTL); | |
1da177e4 LT |
1409 | |
1410 | val = btv->opt_chroma_agc ? BT848_SCLOOP_CAGC : 0; | |
4ac97914 MCC |
1411 | btwrite(val, BT848_E_SCLOOP); |
1412 | btwrite(val, BT848_O_SCLOOP); | |
1da177e4 | 1413 | |
4ac97914 MCC |
1414 | btwrite(0x20, BT848_E_VSCALE_HI); |
1415 | btwrite(0x20, BT848_O_VSCALE_HI); | |
1416 | btwrite(BT848_ADC_RESERVED | (btv->opt_adc_crush ? BT848_ADC_CRUSH : 0), | |
1da177e4 LT |
1417 | BT848_ADC); |
1418 | ||
1419 | btwrite(whitecrush_upper, BT848_WC_UP); | |
1420 | btwrite(whitecrush_lower, BT848_WC_DOWN); | |
1421 | ||
1422 | if (btv->opt_lumafilter) { | |
1423 | btwrite(0, BT848_E_CONTROL); | |
1424 | btwrite(0, BT848_O_CONTROL); | |
1425 | } else { | |
1426 | btwrite(BT848_CONTROL_LDEC, BT848_E_CONTROL); | |
1427 | btwrite(BT848_CONTROL_LDEC, BT848_O_CONTROL); | |
1428 | } | |
1429 | ||
1430 | bt848_bright(btv, btv->bright); | |
1431 | bt848_hue(btv, btv->hue); | |
1432 | bt848_contrast(btv, btv->contrast); | |
1433 | bt848_sat(btv, btv->saturation); | |
1434 | ||
4ac97914 | 1435 | /* interrupt */ |
1da177e4 LT |
1436 | init_irqreg(btv); |
1437 | } | |
1438 | ||
1439 | static void bttv_reinit_bt848(struct bttv *btv) | |
1440 | { | |
1441 | unsigned long flags; | |
1442 | ||
1443 | if (bttv_verbose) | |
1444 | printk(KERN_INFO "bttv%d: reset, reinitialize\n",btv->c.nr); | |
1445 | spin_lock_irqsave(&btv->s_lock,flags); | |
1446 | btv->errors=0; | |
1447 | bttv_set_dma(btv,0); | |
1448 | spin_unlock_irqrestore(&btv->s_lock,flags); | |
1449 | ||
1450 | init_bt848(btv); | |
4ac97914 | 1451 | btv->pll.pll_current = -1; |
333408f2 | 1452 | set_input(btv, btv->input, btv->tvnorm); |
1da177e4 LT |
1453 | } |
1454 | ||
1455 | static int get_control(struct bttv *btv, struct v4l2_control *c) | |
1456 | { | |
1457 | struct video_audio va; | |
1458 | int i; | |
1459 | ||
1460 | for (i = 0; i < BTTV_CTLS; i++) | |
1461 | if (bttv_ctls[i].id == c->id) | |
1462 | break; | |
1463 | if (i == BTTV_CTLS) | |
1464 | return -EINVAL; | |
0020d3ef | 1465 | if (btv->audio_hook && i >= 4 && i <= 8) { |
1da177e4 | 1466 | memset(&va,0,sizeof(va)); |
0020d3ef HV |
1467 | btv->audio_hook(btv,&va,0); |
1468 | switch (c->id) { | |
1469 | case V4L2_CID_AUDIO_MUTE: | |
1470 | c->value = (VIDEO_AUDIO_MUTE & va.flags) ? 1 : 0; | |
1471 | break; | |
1472 | case V4L2_CID_AUDIO_VOLUME: | |
1473 | c->value = va.volume; | |
1474 | break; | |
1475 | case V4L2_CID_AUDIO_BALANCE: | |
1476 | c->value = va.balance; | |
1477 | break; | |
1478 | case V4L2_CID_AUDIO_BASS: | |
1479 | c->value = va.bass; | |
1480 | break; | |
1481 | case V4L2_CID_AUDIO_TREBLE: | |
1482 | c->value = va.treble; | |
1483 | break; | |
1484 | } | |
1485 | return 0; | |
1da177e4 LT |
1486 | } |
1487 | switch (c->id) { | |
1488 | case V4L2_CID_BRIGHTNESS: | |
1489 | c->value = btv->bright; | |
1490 | break; | |
1491 | case V4L2_CID_HUE: | |
1492 | c->value = btv->hue; | |
1493 | break; | |
1494 | case V4L2_CID_CONTRAST: | |
1495 | c->value = btv->contrast; | |
1496 | break; | |
1497 | case V4L2_CID_SATURATION: | |
1498 | c->value = btv->saturation; | |
1499 | break; | |
1500 | ||
1501 | case V4L2_CID_AUDIO_MUTE: | |
1da177e4 | 1502 | case V4L2_CID_AUDIO_VOLUME: |
1da177e4 | 1503 | case V4L2_CID_AUDIO_BALANCE: |
1da177e4 | 1504 | case V4L2_CID_AUDIO_BASS: |
1da177e4 | 1505 | case V4L2_CID_AUDIO_TREBLE: |
0020d3ef | 1506 | bttv_call_i2c_clients(btv,VIDIOC_G_CTRL,c); |
1da177e4 LT |
1507 | break; |
1508 | ||
1509 | case V4L2_CID_PRIVATE_CHROMA_AGC: | |
1510 | c->value = btv->opt_chroma_agc; | |
1511 | break; | |
1512 | case V4L2_CID_PRIVATE_COMBFILTER: | |
1513 | c->value = btv->opt_combfilter; | |
1514 | break; | |
1515 | case V4L2_CID_PRIVATE_LUMAFILTER: | |
1516 | c->value = btv->opt_lumafilter; | |
1517 | break; | |
1518 | case V4L2_CID_PRIVATE_AUTOMUTE: | |
1519 | c->value = btv->opt_automute; | |
1520 | break; | |
1521 | case V4L2_CID_PRIVATE_AGC_CRUSH: | |
1522 | c->value = btv->opt_adc_crush; | |
1523 | break; | |
1524 | case V4L2_CID_PRIVATE_VCR_HACK: | |
1525 | c->value = btv->opt_vcr_hack; | |
1526 | break; | |
1527 | case V4L2_CID_PRIVATE_WHITECRUSH_UPPER: | |
1528 | c->value = btv->opt_whitecrush_upper; | |
1529 | break; | |
1530 | case V4L2_CID_PRIVATE_WHITECRUSH_LOWER: | |
1531 | c->value = btv->opt_whitecrush_lower; | |
1532 | break; | |
060d3027 MCC |
1533 | case V4L2_CID_PRIVATE_UV_RATIO: |
1534 | c->value = btv->opt_uv_ratio; | |
1535 | break; | |
1536 | case V4L2_CID_PRIVATE_FULL_LUMA_RANGE: | |
1537 | c->value = btv->opt_full_luma_range; | |
1538 | break; | |
1539 | case V4L2_CID_PRIVATE_CORING: | |
1540 | c->value = btv->opt_coring; | |
1541 | break; | |
1da177e4 LT |
1542 | default: |
1543 | return -EINVAL; | |
1544 | } | |
1545 | return 0; | |
1546 | } | |
1547 | ||
1548 | static int set_control(struct bttv *btv, struct v4l2_control *c) | |
1549 | { | |
1550 | struct video_audio va; | |
1551 | int i,val; | |
1552 | ||
1553 | for (i = 0; i < BTTV_CTLS; i++) | |
1554 | if (bttv_ctls[i].id == c->id) | |
1555 | break; | |
1556 | if (i == BTTV_CTLS) | |
1557 | return -EINVAL; | |
0020d3ef | 1558 | if (btv->audio_hook && i >= 4 && i <= 8) { |
1da177e4 | 1559 | memset(&va,0,sizeof(va)); |
0020d3ef HV |
1560 | btv->audio_hook(btv,&va,0); |
1561 | switch (c->id) { | |
1562 | case V4L2_CID_AUDIO_MUTE: | |
1563 | if (c->value) { | |
1564 | va.flags |= VIDEO_AUDIO_MUTE; | |
1565 | audio_mute(btv, 1); | |
1566 | } else { | |
1567 | va.flags &= ~VIDEO_AUDIO_MUTE; | |
1568 | audio_mute(btv, 0); | |
1569 | } | |
1570 | break; | |
1571 | ||
1572 | case V4L2_CID_AUDIO_VOLUME: | |
1573 | va.volume = c->value; | |
1574 | break; | |
1575 | case V4L2_CID_AUDIO_BALANCE: | |
1576 | va.balance = c->value; | |
1577 | break; | |
1578 | case V4L2_CID_AUDIO_BASS: | |
1579 | va.bass = c->value; | |
1580 | break; | |
1581 | case V4L2_CID_AUDIO_TREBLE: | |
1582 | va.treble = c->value; | |
1583 | break; | |
1584 | } | |
1585 | btv->audio_hook(btv,&va,1); | |
1586 | return 0; | |
1da177e4 LT |
1587 | } |
1588 | switch (c->id) { | |
1589 | case V4L2_CID_BRIGHTNESS: | |
1590 | bt848_bright(btv,c->value); | |
1591 | break; | |
1592 | case V4L2_CID_HUE: | |
1593 | bt848_hue(btv,c->value); | |
1594 | break; | |
1595 | case V4L2_CID_CONTRAST: | |
1596 | bt848_contrast(btv,c->value); | |
1597 | break; | |
1598 | case V4L2_CID_SATURATION: | |
1599 | bt848_sat(btv,c->value); | |
1600 | break; | |
1601 | case V4L2_CID_AUDIO_MUTE: | |
0020d3ef HV |
1602 | audio_mute(btv, c->value); |
1603 | /* fall through */ | |
1da177e4 | 1604 | case V4L2_CID_AUDIO_VOLUME: |
1da177e4 | 1605 | case V4L2_CID_AUDIO_BALANCE: |
1da177e4 | 1606 | case V4L2_CID_AUDIO_BASS: |
1da177e4 | 1607 | case V4L2_CID_AUDIO_TREBLE: |
0020d3ef | 1608 | bttv_call_i2c_clients(btv,VIDIOC_S_CTRL,c); |
1da177e4 LT |
1609 | break; |
1610 | ||
1611 | case V4L2_CID_PRIVATE_CHROMA_AGC: | |
1612 | btv->opt_chroma_agc = c->value; | |
1613 | val = btv->opt_chroma_agc ? BT848_SCLOOP_CAGC : 0; | |
1614 | btwrite(val, BT848_E_SCLOOP); | |
1615 | btwrite(val, BT848_O_SCLOOP); | |
1616 | break; | |
1617 | case V4L2_CID_PRIVATE_COMBFILTER: | |
1618 | btv->opt_combfilter = c->value; | |
1619 | break; | |
1620 | case V4L2_CID_PRIVATE_LUMAFILTER: | |
1621 | btv->opt_lumafilter = c->value; | |
1622 | if (btv->opt_lumafilter) { | |
1623 | btand(~BT848_CONTROL_LDEC, BT848_E_CONTROL); | |
1624 | btand(~BT848_CONTROL_LDEC, BT848_O_CONTROL); | |
1625 | } else { | |
1626 | btor(BT848_CONTROL_LDEC, BT848_E_CONTROL); | |
1627 | btor(BT848_CONTROL_LDEC, BT848_O_CONTROL); | |
1628 | } | |
1629 | break; | |
1630 | case V4L2_CID_PRIVATE_AUTOMUTE: | |
1631 | btv->opt_automute = c->value; | |
1632 | break; | |
1633 | case V4L2_CID_PRIVATE_AGC_CRUSH: | |
1634 | btv->opt_adc_crush = c->value; | |
1635 | btwrite(BT848_ADC_RESERVED | (btv->opt_adc_crush ? BT848_ADC_CRUSH : 0), | |
1636 | BT848_ADC); | |
1637 | break; | |
1638 | case V4L2_CID_PRIVATE_VCR_HACK: | |
1639 | btv->opt_vcr_hack = c->value; | |
1640 | break; | |
1641 | case V4L2_CID_PRIVATE_WHITECRUSH_UPPER: | |
1642 | btv->opt_whitecrush_upper = c->value; | |
1643 | btwrite(c->value, BT848_WC_UP); | |
1644 | break; | |
1645 | case V4L2_CID_PRIVATE_WHITECRUSH_LOWER: | |
1646 | btv->opt_whitecrush_lower = c->value; | |
1647 | btwrite(c->value, BT848_WC_DOWN); | |
1648 | break; | |
060d3027 MCC |
1649 | case V4L2_CID_PRIVATE_UV_RATIO: |
1650 | btv->opt_uv_ratio = c->value; | |
1651 | bt848_sat(btv, btv->saturation); | |
1652 | break; | |
1653 | case V4L2_CID_PRIVATE_FULL_LUMA_RANGE: | |
1654 | btv->opt_full_luma_range = c->value; | |
1655 | btaor((c->value<<7), ~BT848_OFORM_RANGE, BT848_OFORM); | |
1656 | break; | |
1657 | case V4L2_CID_PRIVATE_CORING: | |
1658 | btv->opt_coring = c->value; | |
1659 | btaor((c->value<<5), ~BT848_OFORM_CORE32, BT848_OFORM); | |
1660 | break; | |
1da177e4 LT |
1661 | default: |
1662 | return -EINVAL; | |
1663 | } | |
1da177e4 LT |
1664 | return 0; |
1665 | } | |
1666 | ||
1667 | /* ----------------------------------------------------------------------- */ | |
1668 | ||
1669 | void bttv_gpio_tracking(struct bttv *btv, char *comment) | |
1670 | { | |
1671 | unsigned int outbits, data; | |
1672 | outbits = btread(BT848_GPIO_OUT_EN); | |
1673 | data = btread(BT848_GPIO_DATA); | |
1674 | printk(KERN_DEBUG "bttv%d: gpio: en=%08x, out=%08x in=%08x [%s]\n", | |
1675 | btv->c.nr,outbits,data & outbits, data & ~outbits, comment); | |
1676 | } | |
1677 | ||
1678 | static void bttv_field_count(struct bttv *btv) | |
1679 | { | |
1680 | int need_count = 0; | |
1681 | ||
1682 | if (btv->users) | |
1683 | need_count++; | |
1684 | ||
1685 | if (need_count) { | |
1686 | /* start field counter */ | |
1687 | btor(BT848_INT_VSYNC,BT848_INT_MASK); | |
1688 | } else { | |
1689 | /* stop field counter */ | |
1690 | btand(~BT848_INT_VSYNC,BT848_INT_MASK); | |
1691 | btv->field_count = 0; | |
1692 | } | |
1693 | } | |
1694 | ||
1695 | static const struct bttv_format* | |
1696 | format_by_palette(int palette) | |
1697 | { | |
1698 | unsigned int i; | |
1699 | ||
1700 | for (i = 0; i < BTTV_FORMATS; i++) { | |
1701 | if (-1 == bttv_formats[i].palette) | |
1702 | continue; | |
1703 | if (bttv_formats[i].palette == palette) | |
1704 | return bttv_formats+i; | |
1705 | } | |
1706 | return NULL; | |
1707 | } | |
1708 | ||
1709 | static const struct bttv_format* | |
1710 | format_by_fourcc(int fourcc) | |
1711 | { | |
1712 | unsigned int i; | |
1713 | ||
1714 | for (i = 0; i < BTTV_FORMATS; i++) { | |
1715 | if (-1 == bttv_formats[i].fourcc) | |
1716 | continue; | |
1717 | if (bttv_formats[i].fourcc == fourcc) | |
1718 | return bttv_formats+i; | |
1719 | } | |
1720 | return NULL; | |
1721 | } | |
1722 | ||
1723 | /* ----------------------------------------------------------------------- */ | |
1724 | /* misc helpers */ | |
1725 | ||
1726 | static int | |
1727 | bttv_switch_overlay(struct bttv *btv, struct bttv_fh *fh, | |
1728 | struct bttv_buffer *new) | |
1729 | { | |
1730 | struct bttv_buffer *old; | |
1731 | unsigned long flags; | |
1732 | int retval = 0; | |
1733 | ||
1734 | dprintk("switch_overlay: enter [new=%p]\n",new); | |
1735 | if (new) | |
1736 | new->vb.state = STATE_DONE; | |
1737 | spin_lock_irqsave(&btv->s_lock,flags); | |
1738 | old = btv->screen; | |
1739 | btv->screen = new; | |
1740 | btv->loop_irq |= 1; | |
1741 | bttv_set_dma(btv, 0x03); | |
1742 | spin_unlock_irqrestore(&btv->s_lock,flags); | |
1da177e4 LT |
1743 | if (NULL != old) { |
1744 | dprintk("switch_overlay: old=%p state is %d\n",old,old->vb.state); | |
c7b0ac05 | 1745 | bttv_dma_free(&fh->cap,btv, old); |
1da177e4 LT |
1746 | kfree(old); |
1747 | } | |
e5bd0260 MS |
1748 | if (NULL == new) |
1749 | free_btres(btv,fh,RESOURCE_OVERLAY); | |
1da177e4 LT |
1750 | dprintk("switch_overlay: done\n"); |
1751 | return retval; | |
1752 | } | |
1753 | ||
1754 | /* ----------------------------------------------------------------------- */ | |
1755 | /* video4linux (1) interface */ | |
1756 | ||
c7b0ac05 MCC |
1757 | static int bttv_prepare_buffer(struct videobuf_queue *q,struct bttv *btv, |
1758 | struct bttv_buffer *buf, | |
4ac97914 | 1759 | const struct bttv_format *fmt, |
1da177e4 LT |
1760 | unsigned int width, unsigned int height, |
1761 | enum v4l2_field field) | |
1762 | { | |
e5bd0260 | 1763 | struct bttv_fh *fh = q->priv_data; |
1da177e4 | 1764 | int redo_dma_risc = 0; |
e5bd0260 MS |
1765 | struct bttv_crop c; |
1766 | int norm; | |
1da177e4 LT |
1767 | int rc; |
1768 | ||
1769 | /* check settings */ | |
1770 | if (NULL == fmt) | |
1771 | return -EINVAL; | |
1772 | if (fmt->btformat == BT848_COLOR_FMT_RAW) { | |
1773 | width = RAW_BPL; | |
1774 | height = RAW_LINES*2; | |
1775 | if (width*height > buf->vb.bsize) | |
1776 | return -EINVAL; | |
1777 | buf->vb.size = buf->vb.bsize; | |
e5bd0260 MS |
1778 | |
1779 | /* Make sure tvnorm and vbi_end remain consistent | |
1780 | until we're done. */ | |
1781 | mutex_lock(&btv->lock); | |
1782 | ||
1783 | norm = btv->tvnorm; | |
1784 | ||
1785 | /* In this mode capturing always starts at defrect.top | |
1786 | (default VDELAY), ignoring cropping parameters. */ | |
1787 | if (btv->vbi_end > bttv_tvnorms[norm].cropcap.defrect.top) { | |
1788 | mutex_unlock(&btv->lock); | |
1789 | return -EINVAL; | |
1790 | } | |
1791 | ||
1792 | mutex_unlock(&btv->lock); | |
1793 | ||
1794 | c.rect = bttv_tvnorms[norm].cropcap.defrect; | |
1da177e4 | 1795 | } else { |
e5bd0260 MS |
1796 | mutex_lock(&btv->lock); |
1797 | ||
1798 | norm = btv->tvnorm; | |
1799 | c = btv->crop[!!fh->do_crop]; | |
1800 | ||
1801 | mutex_unlock(&btv->lock); | |
1802 | ||
1803 | if (width < c.min_scaled_width || | |
1804 | width > c.max_scaled_width || | |
1805 | height < c.min_scaled_height) | |
1da177e4 | 1806 | return -EINVAL; |
e5bd0260 MS |
1807 | |
1808 | switch (field) { | |
1809 | case V4L2_FIELD_TOP: | |
1810 | case V4L2_FIELD_BOTTOM: | |
1811 | case V4L2_FIELD_ALTERNATE: | |
1812 | /* btv->crop counts frame lines. Max. scale | |
1813 | factor is 16:1 for frames, 8:1 for fields. */ | |
1814 | if (height * 2 > c.max_scaled_height) | |
1815 | return -EINVAL; | |
1816 | break; | |
1817 | ||
1818 | default: | |
1819 | if (height > c.max_scaled_height) | |
1820 | return -EINVAL; | |
1821 | break; | |
1822 | } | |
1823 | ||
1da177e4 LT |
1824 | buf->vb.size = (width * height * fmt->depth) >> 3; |
1825 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
1826 | return -EINVAL; | |
1827 | } | |
1828 | ||
1829 | /* alloc + fill struct bttv_buffer (if changed) */ | |
1830 | if (buf->vb.width != width || buf->vb.height != height || | |
1831 | buf->vb.field != field || | |
e5bd0260 MS |
1832 | buf->tvnorm != norm || buf->fmt != fmt || |
1833 | buf->crop.top != c.rect.top || | |
1834 | buf->crop.left != c.rect.left || | |
1835 | buf->crop.width != c.rect.width || | |
1836 | buf->crop.height != c.rect.height) { | |
1da177e4 LT |
1837 | buf->vb.width = width; |
1838 | buf->vb.height = height; | |
1839 | buf->vb.field = field; | |
e5bd0260 | 1840 | buf->tvnorm = norm; |
1da177e4 | 1841 | buf->fmt = fmt; |
e5bd0260 | 1842 | buf->crop = c.rect; |
1da177e4 LT |
1843 | redo_dma_risc = 1; |
1844 | } | |
1845 | ||
1846 | /* alloc risc memory */ | |
1847 | if (STATE_NEEDS_INIT == buf->vb.state) { | |
1848 | redo_dma_risc = 1; | |
c7b0ac05 | 1849 | if (0 != (rc = videobuf_iolock(q,&buf->vb,&btv->fbuf))) |
1da177e4 LT |
1850 | goto fail; |
1851 | } | |
1852 | ||
1853 | if (redo_dma_risc) | |
1854 | if (0 != (rc = bttv_buffer_risc(btv,buf))) | |
1855 | goto fail; | |
1856 | ||
1857 | buf->vb.state = STATE_PREPARED; | |
1858 | return 0; | |
1859 | ||
1860 | fail: | |
c7b0ac05 | 1861 | bttv_dma_free(q,btv,buf); |
1da177e4 LT |
1862 | return rc; |
1863 | } | |
1864 | ||
1865 | static int | |
1866 | buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) | |
1867 | { | |
1868 | struct bttv_fh *fh = q->priv_data; | |
1869 | ||
1870 | *size = fh->fmt->depth*fh->width*fh->height >> 3; | |
1871 | if (0 == *count) | |
1872 | *count = gbuffers; | |
1873 | while (*size * *count > gbuffers * gbufsize) | |
1874 | (*count)--; | |
1875 | return 0; | |
1876 | } | |
1877 | ||
1878 | static int | |
1879 | buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, | |
1880 | enum v4l2_field field) | |
1881 | { | |
1882 | struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb); | |
1883 | struct bttv_fh *fh = q->priv_data; | |
1884 | ||
c7b0ac05 | 1885 | return bttv_prepare_buffer(q,fh->btv, buf, fh->fmt, |
1da177e4 LT |
1886 | fh->width, fh->height, field); |
1887 | } | |
1888 | ||
1889 | static void | |
1890 | buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) | |
1891 | { | |
1892 | struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb); | |
1893 | struct bttv_fh *fh = q->priv_data; | |
1894 | struct bttv *btv = fh->btv; | |
1895 | ||
1896 | buf->vb.state = STATE_QUEUED; | |
1897 | list_add_tail(&buf->vb.queue,&btv->capture); | |
1898 | if (!btv->curr.frame_irq) { | |
1899 | btv->loop_irq |= 1; | |
1900 | bttv_set_dma(btv, 0x03); | |
1901 | } | |
1902 | } | |
1903 | ||
1904 | static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) | |
1905 | { | |
1906 | struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb); | |
1907 | struct bttv_fh *fh = q->priv_data; | |
1908 | ||
feaba7a9 | 1909 | bttv_dma_free(q,fh->btv,buf); |
1da177e4 LT |
1910 | } |
1911 | ||
1912 | static struct videobuf_queue_ops bttv_video_qops = { | |
1913 | .buf_setup = buffer_setup, | |
1914 | .buf_prepare = buffer_prepare, | |
1915 | .buf_queue = buffer_queue, | |
1916 | .buf_release = buffer_release, | |
1917 | }; | |
1918 | ||
1da177e4 LT |
1919 | static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg) |
1920 | { | |
1921 | switch (cmd) { | |
4ac97914 MCC |
1922 | case BTTV_VERSION: |
1923 | return BTTV_VERSION_CODE; | |
1da177e4 LT |
1924 | |
1925 | /* *** v4l1 *** ************************************************ */ | |
1926 | case VIDIOCGFREQ: | |
1927 | { | |
1928 | unsigned long *freq = arg; | |
1929 | *freq = btv->freq; | |
1930 | return 0; | |
1931 | } | |
1932 | case VIDIOCSFREQ: | |
1933 | { | |
3bbe5a83 HV |
1934 | struct v4l2_frequency freq; |
1935 | ||
1936 | memset(&freq, 0, sizeof(freq)); | |
1937 | freq.frequency = *(unsigned long *)arg; | |
bd5f0ac9 | 1938 | mutex_lock(&btv->lock); |
3bbe5a83 HV |
1939 | freq.type = btv->radio_user ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
1940 | btv->freq = *(unsigned long *)arg; | |
1941 | bttv_call_i2c_clients(btv,VIDIOC_S_FREQUENCY,&freq); | |
1da177e4 | 1942 | if (btv->has_matchbox && btv->radio_user) |
3bbe5a83 | 1943 | tea5757_set_freq(btv,*(unsigned long *)arg); |
bd5f0ac9 | 1944 | mutex_unlock(&btv->lock); |
1da177e4 LT |
1945 | return 0; |
1946 | } | |
1947 | ||
1948 | case VIDIOCGTUNER: | |
1949 | { | |
1950 | struct video_tuner *v = arg; | |
1951 | ||
1952 | if (UNSET == bttv_tvcards[btv->c.type].tuner) | |
1953 | return -EINVAL; | |
1954 | if (v->tuner) /* Only tuner 0 */ | |
1955 | return -EINVAL; | |
1956 | strcpy(v->name, "Television"); | |
1957 | v->rangelow = 0; | |
1958 | v->rangehigh = 0x7FFFFFFF; | |
1959 | v->flags = VIDEO_TUNER_PAL|VIDEO_TUNER_NTSC|VIDEO_TUNER_SECAM; | |
1960 | v->mode = btv->tvnorm; | |
1961 | v->signal = (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC) ? 0xFFFF : 0; | |
1962 | bttv_call_i2c_clients(btv,cmd,v); | |
1963 | return 0; | |
1964 | } | |
1965 | case VIDIOCSTUNER: | |
1966 | { | |
1967 | struct video_tuner *v = arg; | |
1968 | ||
1969 | if (v->tuner) /* Only tuner 0 */ | |
1970 | return -EINVAL; | |
1971 | if (v->mode >= BTTV_TVNORMS) | |
1972 | return -EINVAL; | |
1973 | ||
bd5f0ac9 | 1974 | mutex_lock(&btv->lock); |
1da177e4 LT |
1975 | set_tvnorm(btv,v->mode); |
1976 | bttv_call_i2c_clients(btv,cmd,v); | |
bd5f0ac9 | 1977 | mutex_unlock(&btv->lock); |
1da177e4 LT |
1978 | return 0; |
1979 | } | |
1980 | ||
4ac97914 MCC |
1981 | case VIDIOCGCHAN: |
1982 | { | |
1983 | struct video_channel *v = arg; | |
1da177e4 LT |
1984 | unsigned int channel = v->channel; |
1985 | ||
4ac97914 MCC |
1986 | if (channel >= bttv_tvcards[btv->c.type].video_inputs) |
1987 | return -EINVAL; | |
1988 | v->tuners=0; | |
1989 | v->flags = VIDEO_VC_AUDIO; | |
1990 | v->type = VIDEO_TYPE_CAMERA; | |
1991 | v->norm = btv->tvnorm; | |
1da177e4 | 1992 | if (channel == bttv_tvcards[btv->c.type].tuner) { |
4ac97914 MCC |
1993 | strcpy(v->name,"Television"); |
1994 | v->flags|=VIDEO_VC_TUNER; | |
1995 | v->type=VIDEO_TYPE_TV; | |
1996 | v->tuners=1; | |
1997 | } else if (channel == btv->svhs) { | |
1998 | strcpy(v->name,"S-Video"); | |
1999 | } else { | |
2000 | sprintf(v->name,"Composite%d",channel); | |
1da177e4 LT |
2001 | } |
2002 | return 0; | |
4ac97914 MCC |
2003 | } |
2004 | case VIDIOCSCHAN: | |
2005 | { | |
2006 | struct video_channel *v = arg; | |
1da177e4 LT |
2007 | unsigned int channel = v->channel; |
2008 | ||
2009 | if (channel >= bttv_tvcards[btv->c.type].video_inputs) | |
2010 | return -EINVAL; | |
2011 | if (v->norm >= BTTV_TVNORMS) | |
2012 | return -EINVAL; | |
2013 | ||
bd5f0ac9 | 2014 | mutex_lock(&btv->lock); |
1da177e4 LT |
2015 | if (channel == btv->input && |
2016 | v->norm == btv->tvnorm) { | |
2017 | /* nothing to do */ | |
bd5f0ac9 | 2018 | mutex_unlock(&btv->lock); |
1da177e4 LT |
2019 | return 0; |
2020 | } | |
2021 | ||
333408f2 | 2022 | set_input(btv, v->channel, v->norm); |
bd5f0ac9 | 2023 | mutex_unlock(&btv->lock); |
1da177e4 LT |
2024 | return 0; |
2025 | } | |
2026 | ||
4ac97914 | 2027 | case VIDIOCGAUDIO: |
1da177e4 LT |
2028 | { |
2029 | struct video_audio *v = arg; | |
2030 | ||
2031 | memset(v,0,sizeof(*v)); | |
2032 | strcpy(v->name,"Television"); | |
2033 | v->flags |= VIDEO_AUDIO_MUTABLE; | |
2034 | v->mode = VIDEO_SOUND_MONO; | |
2035 | ||
bd5f0ac9 | 2036 | mutex_lock(&btv->lock); |
1da177e4 LT |
2037 | bttv_call_i2c_clients(btv,cmd,v); |
2038 | ||
2039 | /* card specific hooks */ | |
2040 | if (btv->audio_hook) | |
2041 | btv->audio_hook(btv,v,0); | |
2042 | ||
bd5f0ac9 | 2043 | mutex_unlock(&btv->lock); |
1da177e4 LT |
2044 | return 0; |
2045 | } | |
2046 | case VIDIOCSAUDIO: | |
2047 | { | |
2048 | struct video_audio *v = arg; | |
2049 | unsigned int audio = v->audio; | |
2050 | ||
2051 | if (audio >= bttv_tvcards[btv->c.type].audio_inputs) | |
2052 | return -EINVAL; | |
2053 | ||
bd5f0ac9 | 2054 | mutex_lock(&btv->lock); |
8bf2f8e7 | 2055 | audio_mute(btv, (v->flags&VIDEO_AUDIO_MUTE) ? 1 : 0); |
1da177e4 LT |
2056 | bttv_call_i2c_clients(btv,cmd,v); |
2057 | ||
2058 | /* card specific hooks */ | |
2059 | if (btv->audio_hook) | |
2060 | btv->audio_hook(btv,v,1); | |
2061 | ||
bd5f0ac9 | 2062 | mutex_unlock(&btv->lock); |
1da177e4 LT |
2063 | return 0; |
2064 | } | |
2065 | ||
2066 | /* *** v4l2 *** ************************************************ */ | |
2067 | case VIDIOC_ENUMSTD: | |
2068 | { | |
2069 | struct v4l2_standard *e = arg; | |
2070 | unsigned int index = e->index; | |
2071 | ||
2072 | if (index >= BTTV_TVNORMS) | |
2073 | return -EINVAL; | |
2074 | v4l2_video_std_construct(e, bttv_tvnorms[e->index].v4l2_id, | |
2075 | bttv_tvnorms[e->index].name); | |
2076 | e->index = index; | |
2077 | return 0; | |
2078 | } | |
2079 | case VIDIOC_G_STD: | |
2080 | { | |
2081 | v4l2_std_id *id = arg; | |
2082 | *id = bttv_tvnorms[btv->tvnorm].v4l2_id; | |
2083 | return 0; | |
2084 | } | |
2085 | case VIDIOC_S_STD: | |
2086 | { | |
2087 | v4l2_std_id *id = arg; | |
2088 | unsigned int i; | |
2089 | ||
2090 | for (i = 0; i < BTTV_TVNORMS; i++) | |
2091 | if (*id & bttv_tvnorms[i].v4l2_id) | |
2092 | break; | |
2093 | if (i == BTTV_TVNORMS) | |
2094 | return -EINVAL; | |
2095 | ||
bd5f0ac9 | 2096 | mutex_lock(&btv->lock); |
1da177e4 LT |
2097 | set_tvnorm(btv,i); |
2098 | i2c_vidiocschan(btv); | |
bd5f0ac9 | 2099 | mutex_unlock(&btv->lock); |
1da177e4 LT |
2100 | return 0; |
2101 | } | |
2102 | case VIDIOC_QUERYSTD: | |
2103 | { | |
2104 | v4l2_std_id *id = arg; | |
2105 | ||
2106 | if (btread(BT848_DSTATUS) & BT848_DSTATUS_NUML) | |
2107 | *id = V4L2_STD_625_50; | |
2108 | else | |
2109 | *id = V4L2_STD_525_60; | |
2110 | return 0; | |
2111 | } | |
2112 | ||
2113 | case VIDIOC_ENUMINPUT: | |
2114 | { | |
2115 | struct v4l2_input *i = arg; | |
2116 | unsigned int n; | |
2117 | ||
2118 | n = i->index; | |
2119 | if (n >= bttv_tvcards[btv->c.type].video_inputs) | |
2120 | return -EINVAL; | |
2121 | memset(i,0,sizeof(*i)); | |
2122 | i->index = n; | |
2123 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
5d9d171a | 2124 | i->audioset = 1; |
1da177e4 LT |
2125 | if (i->index == bttv_tvcards[btv->c.type].tuner) { |
2126 | sprintf(i->name, "Television"); | |
2127 | i->type = V4L2_INPUT_TYPE_TUNER; | |
2128 | i->tuner = 0; | |
2129 | } else if (i->index == btv->svhs) { | |
2130 | sprintf(i->name, "S-Video"); | |
2131 | } else { | |
4ac97914 | 2132 | sprintf(i->name,"Composite%d",i->index); |
1da177e4 LT |
2133 | } |
2134 | if (i->index == btv->input) { | |
2135 | __u32 dstatus = btread(BT848_DSTATUS); | |
2136 | if (0 == (dstatus & BT848_DSTATUS_PRES)) | |
2137 | i->status |= V4L2_IN_ST_NO_SIGNAL; | |
2138 | if (0 == (dstatus & BT848_DSTATUS_HLOC)) | |
2139 | i->status |= V4L2_IN_ST_NO_H_LOCK; | |
2140 | } | |
2141 | for (n = 0; n < BTTV_TVNORMS; n++) | |
2142 | i->std |= bttv_tvnorms[n].v4l2_id; | |
2143 | return 0; | |
2144 | } | |
2145 | case VIDIOC_G_INPUT: | |
2146 | { | |
2147 | int *i = arg; | |
2148 | *i = btv->input; | |
2149 | return 0; | |
2150 | } | |
2151 | case VIDIOC_S_INPUT: | |
2152 | { | |
2153 | unsigned int *i = arg; | |
2154 | ||
2155 | if (*i > bttv_tvcards[btv->c.type].video_inputs) | |
2156 | return -EINVAL; | |
bd5f0ac9 | 2157 | mutex_lock(&btv->lock); |
333408f2 | 2158 | set_input(btv, *i, btv->tvnorm); |
bd5f0ac9 | 2159 | mutex_unlock(&btv->lock); |
1da177e4 LT |
2160 | return 0; |
2161 | } | |
2162 | ||
2163 | case VIDIOC_G_TUNER: | |
2164 | { | |
2165 | struct v4l2_tuner *t = arg; | |
2166 | ||
2167 | if (UNSET == bttv_tvcards[btv->c.type].tuner) | |
2168 | return -EINVAL; | |
2169 | if (0 != t->index) | |
2170 | return -EINVAL; | |
bd5f0ac9 | 2171 | mutex_lock(&btv->lock); |
1da177e4 | 2172 | memset(t,0,sizeof(*t)); |
0020d3ef HV |
2173 | t->rxsubchans = V4L2_TUNER_SUB_MONO; |
2174 | bttv_call_i2c_clients(btv, VIDIOC_G_TUNER, t); | |
1da177e4 | 2175 | strcpy(t->name, "Television"); |
1da177e4 | 2176 | t->capability = V4L2_TUNER_CAP_NORM; |
0020d3ef | 2177 | t->type = V4L2_TUNER_ANALOG_TV; |
1da177e4 LT |
2178 | if (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC) |
2179 | t->signal = 0xffff; | |
0020d3ef HV |
2180 | |
2181 | if (btv->audio_hook) { | |
1da177e4 LT |
2182 | /* Hmmm ... */ |
2183 | struct video_audio va; | |
2184 | memset(&va, 0, sizeof(struct video_audio)); | |
0020d3ef HV |
2185 | btv->audio_hook(btv,&va,0); |
2186 | t->audmode = V4L2_TUNER_MODE_MONO; | |
2187 | t->rxsubchans = V4L2_TUNER_SUB_MONO; | |
1da177e4 | 2188 | if(va.mode & VIDEO_SOUND_STEREO) { |
0020d3ef HV |
2189 | t->audmode = V4L2_TUNER_MODE_STEREO; |
2190 | t->rxsubchans = V4L2_TUNER_SUB_STEREO; | |
1da177e4 | 2191 | } |
0020d3ef | 2192 | if(va.mode & VIDEO_SOUND_LANG2) { |
1da177e4 LT |
2193 | t->audmode = V4L2_TUNER_MODE_LANG1; |
2194 | t->rxsubchans = V4L2_TUNER_SUB_LANG1 | |
2195 | | V4L2_TUNER_SUB_LANG2; | |
2196 | } | |
2197 | } | |
2198 | /* FIXME: fill capability+audmode */ | |
bd5f0ac9 | 2199 | mutex_unlock(&btv->lock); |
1da177e4 LT |
2200 | return 0; |
2201 | } | |
2202 | case VIDIOC_S_TUNER: | |
2203 | { | |
2204 | struct v4l2_tuner *t = arg; | |
2205 | ||
2206 | if (UNSET == bttv_tvcards[btv->c.type].tuner) | |
2207 | return -EINVAL; | |
2208 | if (0 != t->index) | |
2209 | return -EINVAL; | |
bd5f0ac9 | 2210 | mutex_lock(&btv->lock); |
0020d3ef HV |
2211 | bttv_call_i2c_clients(btv, VIDIOC_S_TUNER, t); |
2212 | if (btv->audio_hook) { | |
1da177e4 LT |
2213 | struct video_audio va; |
2214 | memset(&va, 0, sizeof(struct video_audio)); | |
1da177e4 LT |
2215 | if (t->audmode == V4L2_TUNER_MODE_MONO) |
2216 | va.mode = VIDEO_SOUND_MONO; | |
301e22d6 HV |
2217 | else if (t->audmode == V4L2_TUNER_MODE_STEREO || |
2218 | t->audmode == V4L2_TUNER_MODE_LANG1_LANG2) | |
1da177e4 LT |
2219 | va.mode = VIDEO_SOUND_STEREO; |
2220 | else if (t->audmode == V4L2_TUNER_MODE_LANG1) | |
2221 | va.mode = VIDEO_SOUND_LANG1; | |
2222 | else if (t->audmode == V4L2_TUNER_MODE_LANG2) | |
2223 | va.mode = VIDEO_SOUND_LANG2; | |
0020d3ef | 2224 | btv->audio_hook(btv,&va,1); |
1da177e4 | 2225 | } |
bd5f0ac9 | 2226 | mutex_unlock(&btv->lock); |
1da177e4 LT |
2227 | return 0; |
2228 | } | |
2229 | ||
2230 | case VIDIOC_G_FREQUENCY: | |
2231 | { | |
2232 | struct v4l2_frequency *f = arg; | |
2233 | ||
2234 | memset(f,0,sizeof(*f)); | |
2235 | f->type = V4L2_TUNER_ANALOG_TV; | |
2236 | f->frequency = btv->freq; | |
2237 | return 0; | |
2238 | } | |
2239 | case VIDIOC_S_FREQUENCY: | |
2240 | { | |
2241 | struct v4l2_frequency *f = arg; | |
2242 | ||
2243 | if (unlikely(f->tuner != 0)) | |
2244 | return -EINVAL; | |
fa9846a8 | 2245 | if (unlikely (f->type != V4L2_TUNER_ANALOG_TV)) |
1da177e4 | 2246 | return -EINVAL; |
bd5f0ac9 | 2247 | mutex_lock(&btv->lock); |
1da177e4 | 2248 | btv->freq = f->frequency; |
0020d3ef | 2249 | bttv_call_i2c_clients(btv,VIDIOC_S_FREQUENCY,f); |
1da177e4 LT |
2250 | if (btv->has_matchbox && btv->radio_user) |
2251 | tea5757_set_freq(btv,btv->freq); | |
bd5f0ac9 | 2252 | mutex_unlock(&btv->lock); |
1da177e4 LT |
2253 | return 0; |
2254 | } | |
299392bf HV |
2255 | case VIDIOC_LOG_STATUS: |
2256 | { | |
0020d3ef | 2257 | printk(KERN_INFO "bttv%d: ================= START STATUS CARD #%d =================\n", btv->c.nr, btv->c.nr); |
97cb445d | 2258 | bttv_call_i2c_clients(btv, VIDIOC_LOG_STATUS, NULL); |
0020d3ef | 2259 | printk(KERN_INFO "bttv%d: ================== END STATUS CARD #%d ==================\n", btv->c.nr, btv->c.nr); |
299392bf HV |
2260 | return 0; |
2261 | } | |
55c0d100 TP |
2262 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
2263 | case VIDIOC_DBG_G_REGISTER: | |
2264 | case VIDIOC_DBG_S_REGISTER: | |
2265 | { | |
2266 | struct v4l2_register *reg = arg; | |
2267 | if (!capable(CAP_SYS_ADMIN)) | |
2268 | return -EPERM; | |
2269 | if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) | |
2270 | return -EINVAL; | |
2271 | /* bt848 has a 12-bit register space */ | |
2272 | reg->reg &= 0xfff; | |
2273 | if (cmd == VIDIOC_DBG_G_REGISTER) | |
2274 | reg->val = btread(reg->reg); | |
2275 | else | |
2276 | btwrite(reg->val, reg->reg); | |
2277 | return 0; | |
2278 | } | |
2279 | #endif | |
1da177e4 LT |
2280 | |
2281 | default: | |
2282 | return -ENOIOCTLCMD; | |
2283 | ||
2284 | } | |
2285 | return 0; | |
2286 | } | |
2287 | ||
e5bd0260 MS |
2288 | /* Given cropping boundaries b and the scaled width and height of a |
2289 | single field or frame, which must not exceed hardware limits, this | |
2290 | function adjusts the cropping parameters c. */ | |
2291 | static void | |
2292 | bttv_crop_adjust (struct bttv_crop * c, | |
2293 | const struct v4l2_rect * b, | |
2294 | __s32 width, | |
2295 | __s32 height, | |
2296 | enum v4l2_field field) | |
2297 | { | |
2298 | __s32 frame_height = height << !V4L2_FIELD_HAS_BOTH(field); | |
2299 | __s32 max_left; | |
2300 | __s32 max_top; | |
2301 | ||
2302 | if (width < c->min_scaled_width) { | |
2303 | /* Max. hor. scale factor 16:1. */ | |
2304 | c->rect.width = width * 16; | |
2305 | } else if (width > c->max_scaled_width) { | |
2306 | /* Min. hor. scale factor 1:1. */ | |
2307 | c->rect.width = width; | |
2308 | ||
2309 | max_left = b->left + b->width - width; | |
2310 | max_left = min(max_left, (__s32) MAX_HDELAY); | |
2311 | if (c->rect.left > max_left) | |
2312 | c->rect.left = max_left; | |
2313 | } | |
2314 | ||
2315 | if (height < c->min_scaled_height) { | |
2316 | /* Max. vert. scale factor 16:1, single fields 8:1. */ | |
2317 | c->rect.height = height * 16; | |
2318 | } else if (frame_height > c->max_scaled_height) { | |
2319 | /* Min. vert. scale factor 1:1. | |
2320 | Top and height count field lines times two. */ | |
2321 | c->rect.height = (frame_height + 1) & ~1; | |
2322 | ||
2323 | max_top = b->top + b->height - c->rect.height; | |
2324 | if (c->rect.top > max_top) | |
2325 | c->rect.top = max_top; | |
2326 | } | |
2327 | ||
2328 | bttv_crop_calc_limits(c); | |
2329 | } | |
2330 | ||
2331 | /* Returns an error if scaling to a frame or single field with the given | |
2332 | width and height is not possible with the current cropping parameters | |
2333 | and width aligned according to width_mask. If adjust_size is TRUE the | |
2334 | function may adjust the width and/or height instead, rounding width | |
2335 | to (width + width_bias) & width_mask. If adjust_crop is TRUE it may | |
2336 | also adjust the current cropping parameters to get closer to the | |
2337 | desired image size. */ | |
2338 | static int | |
2339 | limit_scaled_size (struct bttv_fh * fh, | |
2340 | __s32 * width, | |
2341 | __s32 * height, | |
2342 | enum v4l2_field field, | |
2343 | unsigned int width_mask, | |
2344 | unsigned int width_bias, | |
2345 | int adjust_size, | |
2346 | int adjust_crop) | |
2347 | { | |
2348 | struct bttv *btv = fh->btv; | |
2349 | const struct v4l2_rect *b; | |
2350 | struct bttv_crop *c; | |
2351 | __s32 min_width; | |
2352 | __s32 min_height; | |
2353 | __s32 max_width; | |
2354 | __s32 max_height; | |
2355 | int rc; | |
2356 | ||
2357 | BUG_ON((int) width_mask >= 0 || | |
2358 | width_bias >= (unsigned int) -width_mask); | |
2359 | ||
2360 | /* Make sure tvnorm, vbi_end and the current cropping parameters | |
2361 | remain consistent until we're done. */ | |
2362 | mutex_lock(&btv->lock); | |
2363 | ||
2364 | b = &bttv_tvnorms[btv->tvnorm].cropcap.bounds; | |
2365 | ||
2366 | /* Do crop - use current, don't - use default parameters. */ | |
2367 | c = &btv->crop[!!fh->do_crop]; | |
2368 | ||
2369 | if (fh->do_crop | |
2370 | && adjust_size | |
2371 | && adjust_crop | |
2372 | && !locked_btres(btv, VIDEO_RESOURCES)) { | |
2373 | min_width = 48; | |
2374 | min_height = 32; | |
2375 | ||
2376 | /* We cannot scale up. When the scaled image is larger | |
2377 | than crop.rect we adjust the crop.rect as required | |
2378 | by the V4L2 spec, hence cropcap.bounds are our limit. */ | |
2379 | max_width = min(b->width, (__s32) MAX_HACTIVE); | |
2380 | max_height = b->height; | |
2381 | ||
2382 | /* We cannot capture the same line as video and VBI data. | |
2383 | Note btv->vbi_end is really a minimum, see | |
2384 | bttv_vbi_try_fmt(). */ | |
2385 | if (btv->vbi_end > b->top) { | |
2386 | max_height -= btv->vbi_end - b->top; | |
2387 | rc = -EBUSY; | |
2388 | if (min_height > max_height) | |
2389 | goto fail; | |
2390 | } | |
2391 | } else { | |
2392 | rc = -EBUSY; | |
2393 | if (btv->vbi_end > c->rect.top) | |
2394 | goto fail; | |
2395 | ||
2396 | min_width = c->min_scaled_width; | |
2397 | min_height = c->min_scaled_height; | |
2398 | max_width = c->max_scaled_width; | |
2399 | max_height = c->max_scaled_height; | |
2400 | ||
2401 | adjust_crop = 0; | |
2402 | } | |
2403 | ||
2404 | min_width = (min_width - width_mask - 1) & width_mask; | |
2405 | max_width = max_width & width_mask; | |
2406 | ||
2407 | /* Max. scale factor is 16:1 for frames, 8:1 for fields. */ | |
2408 | min_height = min_height; | |
2409 | /* Min. scale factor is 1:1. */ | |
2410 | max_height >>= !V4L2_FIELD_HAS_BOTH(field); | |
2411 | ||
2412 | if (adjust_size) { | |
2413 | *width = clamp(*width, min_width, max_width); | |
2414 | *height = clamp(*height, min_height, max_height); | |
2415 | ||
2416 | /* Round after clamping to avoid overflow. */ | |
2417 | *width = (*width + width_bias) & width_mask; | |
2418 | ||
2419 | if (adjust_crop) { | |
2420 | bttv_crop_adjust(c, b, *width, *height, field); | |
2421 | ||
2422 | if (btv->vbi_end > c->rect.top) { | |
2423 | /* Move the crop window out of the way. */ | |
2424 | c->rect.top = btv->vbi_end; | |
2425 | } | |
2426 | } | |
2427 | } else { | |
2428 | rc = -EINVAL; | |
2429 | if (*width < min_width || | |
2430 | *height < min_height || | |
2431 | *width > max_width || | |
2432 | *height > max_height || | |
2433 | 0 != (*width & ~width_mask)) | |
2434 | goto fail; | |
2435 | } | |
2436 | ||
2437 | rc = 0; /* success */ | |
2438 | ||
2439 | fail: | |
2440 | mutex_unlock(&btv->lock); | |
2441 | ||
2442 | return rc; | |
2443 | } | |
2444 | ||
2445 | /* Returns an error if the given overlay window dimensions are not | |
2446 | possible with the current cropping parameters. If adjust_size is | |
2447 | TRUE the function may adjust the window width and/or height | |
2448 | instead, however it always rounds the horizontal position and | |
2449 | width as btcx_align() does. If adjust_crop is TRUE the function | |
2450 | may also adjust the current cropping parameters to get closer | |
2451 | to the desired window size. */ | |
2452 | static int | |
2453 | verify_window (struct bttv_fh * fh, | |
2454 | struct v4l2_window * win, | |
2455 | int adjust_size, | |
2456 | int adjust_crop) | |
1da177e4 LT |
2457 | { |
2458 | enum v4l2_field field; | |
e5bd0260 MS |
2459 | unsigned int width_mask; |
2460 | int rc; | |
1da177e4 LT |
2461 | |
2462 | if (win->w.width < 48 || win->w.height < 32) | |
2463 | return -EINVAL; | |
2464 | if (win->clipcount > 2048) | |
2465 | return -EINVAL; | |
2466 | ||
2467 | field = win->field; | |
1da177e4 LT |
2468 | |
2469 | if (V4L2_FIELD_ANY == field) { | |
e5bd0260 MS |
2470 | __s32 height2; |
2471 | ||
2472 | height2 = fh->btv->crop[!!fh->do_crop].rect.height >> 1; | |
2473 | field = (win->w.height > height2) | |
1da177e4 LT |
2474 | ? V4L2_FIELD_INTERLACED |
2475 | : V4L2_FIELD_TOP; | |
2476 | } | |
2477 | switch (field) { | |
2478 | case V4L2_FIELD_TOP: | |
2479 | case V4L2_FIELD_BOTTOM: | |
1da177e4 LT |
2480 | case V4L2_FIELD_INTERLACED: |
2481 | break; | |
2482 | default: | |
2483 | return -EINVAL; | |
2484 | } | |
2485 | ||
e5bd0260 MS |
2486 | /* 4-byte alignment. */ |
2487 | if (NULL == fh->ovfmt) | |
1da177e4 | 2488 | return -EINVAL; |
e5bd0260 MS |
2489 | width_mask = ~0; |
2490 | switch (fh->ovfmt->depth) { | |
2491 | case 8: | |
2492 | case 24: | |
2493 | width_mask = ~3; | |
2494 | break; | |
2495 | case 16: | |
2496 | width_mask = ~1; | |
2497 | break; | |
2498 | case 32: | |
2499 | break; | |
2500 | default: | |
2501 | BUG(); | |
2502 | } | |
2503 | ||
2504 | win->w.width -= win->w.left & ~width_mask; | |
2505 | win->w.left = (win->w.left - width_mask - 1) & width_mask; | |
2506 | ||
2507 | rc = limit_scaled_size(fh, &win->w.width, &win->w.height, | |
2508 | field, width_mask, | |
2509 | /* width_bias: round down */ 0, | |
2510 | adjust_size, adjust_crop); | |
2511 | if (0 != rc) | |
2512 | return rc; | |
1da177e4 | 2513 | |
1da177e4 LT |
2514 | win->field = field; |
2515 | return 0; | |
2516 | } | |
2517 | ||
2518 | static int setup_window(struct bttv_fh *fh, struct bttv *btv, | |
2519 | struct v4l2_window *win, int fixup) | |
2520 | { | |
2521 | struct v4l2_clip *clips = NULL; | |
2522 | int n,size,retval = 0; | |
2523 | ||
2524 | if (NULL == fh->ovfmt) | |
2525 | return -EINVAL; | |
2526 | if (!(fh->ovfmt->flags & FORMAT_FLAGS_PACKED)) | |
2527 | return -EINVAL; | |
e5bd0260 MS |
2528 | retval = verify_window(fh, win, |
2529 | /* adjust_size */ fixup, | |
2530 | /* adjust_crop */ fixup); | |
1da177e4 LT |
2531 | if (0 != retval) |
2532 | return retval; | |
2533 | ||
2534 | /* copy clips -- luckily v4l1 + v4l2 are binary | |
2535 | compatible here ...*/ | |
2536 | n = win->clipcount; | |
2537 | size = sizeof(*clips)*(n+4); | |
2538 | clips = kmalloc(size,GFP_KERNEL); | |
2539 | if (NULL == clips) | |
2540 | return -ENOMEM; | |
2541 | if (n > 0) { | |
2542 | if (copy_from_user(clips,win->clips,sizeof(struct v4l2_clip)*n)) { | |
2543 | kfree(clips); | |
2544 | return -EFAULT; | |
2545 | } | |
2546 | } | |
2547 | /* clip against screen */ | |
2548 | if (NULL != btv->fbuf.base) | |
2549 | n = btcx_screen_clips(btv->fbuf.fmt.width, btv->fbuf.fmt.height, | |
2550 | &win->w, clips, n); | |
2551 | btcx_sort_clips(clips,n); | |
2552 | ||
2553 | /* 4-byte alignments */ | |
2554 | switch (fh->ovfmt->depth) { | |
2555 | case 8: | |
2556 | case 24: | |
2557 | btcx_align(&win->w, clips, n, 3); | |
2558 | break; | |
2559 | case 16: | |
2560 | btcx_align(&win->w, clips, n, 1); | |
2561 | break; | |
2562 | case 32: | |
2563 | /* no alignment fixups needed */ | |
2564 | break; | |
2565 | default: | |
2566 | BUG(); | |
2567 | } | |
2568 | ||
3593cab5 | 2569 | mutex_lock(&fh->cap.lock); |
674434c6 | 2570 | kfree(fh->ov.clips); |
1da177e4 LT |
2571 | fh->ov.clips = clips; |
2572 | fh->ov.nclips = n; | |
2573 | ||
2574 | fh->ov.w = win->w; | |
2575 | fh->ov.field = win->field; | |
2576 | fh->ov.setup_ok = 1; | |
2577 | btv->init.ov.w.width = win->w.width; | |
2578 | btv->init.ov.w.height = win->w.height; | |
2579 | btv->init.ov.field = win->field; | |
2580 | ||
2581 | /* update overlay if needed */ | |
2582 | retval = 0; | |
2583 | if (check_btres(fh, RESOURCE_OVERLAY)) { | |
2584 | struct bttv_buffer *new; | |
2585 | ||
c1accaa2 | 2586 | new = videobuf_pci_alloc(sizeof(*new)); |
e5bd0260 | 2587 | new->crop = btv->crop[!!fh->do_crop].rect; |
1da177e4 LT |
2588 | bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); |
2589 | retval = bttv_switch_overlay(btv,fh,new); | |
2590 | } | |
3593cab5 | 2591 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
2592 | return retval; |
2593 | } | |
2594 | ||
2595 | /* ----------------------------------------------------------------------- */ | |
2596 | ||
2597 | static struct videobuf_queue* bttv_queue(struct bttv_fh *fh) | |
2598 | { | |
2599 | struct videobuf_queue* q = NULL; | |
2600 | ||
2601 | switch (fh->type) { | |
2602 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
2603 | q = &fh->cap; | |
2604 | break; | |
2605 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
2606 | q = &fh->vbi; | |
2607 | break; | |
2608 | default: | |
2609 | BUG(); | |
2610 | } | |
2611 | return q; | |
2612 | } | |
2613 | ||
2614 | static int bttv_resource(struct bttv_fh *fh) | |
2615 | { | |
2616 | int res = 0; | |
2617 | ||
2618 | switch (fh->type) { | |
2619 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
e5bd0260 | 2620 | res = RESOURCE_VIDEO_STREAM; |
1da177e4 LT |
2621 | break; |
2622 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
2623 | res = RESOURCE_VBI; | |
2624 | break; | |
2625 | default: | |
2626 | BUG(); | |
2627 | } | |
2628 | return res; | |
2629 | } | |
2630 | ||
2631 | static int bttv_switch_type(struct bttv_fh *fh, enum v4l2_buf_type type) | |
2632 | { | |
2633 | struct videobuf_queue *q = bttv_queue(fh); | |
2634 | int res = bttv_resource(fh); | |
2635 | ||
2636 | if (check_btres(fh,res)) | |
2637 | return -EBUSY; | |
2638 | if (videobuf_queue_is_busy(q)) | |
2639 | return -EBUSY; | |
2640 | fh->type = type; | |
2641 | return 0; | |
2642 | } | |
2643 | ||
c87c948e MS |
2644 | static void |
2645 | pix_format_set_size (struct v4l2_pix_format * f, | |
2646 | const struct bttv_format * fmt, | |
2647 | unsigned int width, | |
2648 | unsigned int height) | |
2649 | { | |
2650 | f->width = width; | |
2651 | f->height = height; | |
2652 | ||
2653 | if (fmt->flags & FORMAT_FLAGS_PLANAR) { | |
2654 | f->bytesperline = width; /* Y plane */ | |
2655 | f->sizeimage = (width * height * fmt->depth) >> 3; | |
2656 | } else { | |
2657 | f->bytesperline = (width * fmt->depth) >> 3; | |
2658 | f->sizeimage = height * f->bytesperline; | |
2659 | } | |
2660 | } | |
2661 | ||
1da177e4 LT |
2662 | static int bttv_g_fmt(struct bttv_fh *fh, struct v4l2_format *f) |
2663 | { | |
2664 | switch (f->type) { | |
2665 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
2666 | memset(&f->fmt.pix,0,sizeof(struct v4l2_pix_format)); | |
c87c948e MS |
2667 | pix_format_set_size (&f->fmt.pix, fh->fmt, |
2668 | fh->width, fh->height); | |
1da177e4 LT |
2669 | f->fmt.pix.field = fh->cap.field; |
2670 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
1da177e4 LT |
2671 | return 0; |
2672 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
2673 | memset(&f->fmt.win,0,sizeof(struct v4l2_window)); | |
2674 | f->fmt.win.w = fh->ov.w; | |
2675 | f->fmt.win.field = fh->ov.field; | |
2676 | return 0; | |
2677 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
e5bd0260 | 2678 | bttv_vbi_get_fmt(fh, &f->fmt.vbi); |
1da177e4 LT |
2679 | return 0; |
2680 | default: | |
2681 | return -EINVAL; | |
2682 | } | |
2683 | } | |
2684 | ||
2685 | static int bttv_try_fmt(struct bttv_fh *fh, struct bttv *btv, | |
e5bd0260 | 2686 | struct v4l2_format *f, int adjust_crop) |
1da177e4 LT |
2687 | { |
2688 | switch (f->type) { | |
2689 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
2690 | { | |
2691 | const struct bttv_format *fmt; | |
2692 | enum v4l2_field field; | |
e5bd0260 MS |
2693 | __s32 width, height; |
2694 | int rc; | |
1da177e4 LT |
2695 | |
2696 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
2697 | if (NULL == fmt) | |
2698 | return -EINVAL; | |
2699 | ||
1da177e4 | 2700 | field = f->fmt.pix.field; |
e5bd0260 MS |
2701 | if (V4L2_FIELD_ANY == field) { |
2702 | __s32 height2; | |
2703 | ||
2704 | height2 = btv->crop[!!fh->do_crop].rect.height >> 1; | |
2705 | field = (f->fmt.pix.height > height2) | |
1da177e4 LT |
2706 | ? V4L2_FIELD_INTERLACED |
2707 | : V4L2_FIELD_BOTTOM; | |
e5bd0260 | 2708 | } |
1da177e4 LT |
2709 | if (V4L2_FIELD_SEQ_BT == field) |
2710 | field = V4L2_FIELD_SEQ_TB; | |
2711 | switch (field) { | |
2712 | case V4L2_FIELD_TOP: | |
2713 | case V4L2_FIELD_BOTTOM: | |
2714 | case V4L2_FIELD_ALTERNATE: | |
1da177e4 LT |
2715 | case V4L2_FIELD_INTERLACED: |
2716 | break; | |
2717 | case V4L2_FIELD_SEQ_TB: | |
2718 | if (fmt->flags & FORMAT_FLAGS_PLANAR) | |
2719 | return -EINVAL; | |
2720 | break; | |
2721 | default: | |
2722 | return -EINVAL; | |
2723 | } | |
2724 | ||
e5bd0260 MS |
2725 | width = f->fmt.pix.width; |
2726 | height = f->fmt.pix.height; | |
2727 | ||
2728 | rc = limit_scaled_size(fh, &width, &height, field, | |
2729 | /* width_mask: 4 pixels */ ~3, | |
2730 | /* width_bias: nearest */ 2, | |
2731 | /* adjust_size */ 1, | |
2732 | adjust_crop); | |
2733 | if (0 != rc) | |
2734 | return rc; | |
2735 | ||
1da177e4 LT |
2736 | /* update data for the application */ |
2737 | f->fmt.pix.field = field; | |
e5bd0260 | 2738 | pix_format_set_size(&f->fmt.pix, fmt, width, height); |
1da177e4 LT |
2739 | |
2740 | return 0; | |
2741 | } | |
2742 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
e5bd0260 MS |
2743 | return verify_window(fh, &f->fmt.win, |
2744 | /* adjust_size */ 1, | |
2745 | /* adjust_crop */ 0); | |
1da177e4 | 2746 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
e5bd0260 | 2747 | return bttv_vbi_try_fmt(fh, &f->fmt.vbi); |
1da177e4 LT |
2748 | default: |
2749 | return -EINVAL; | |
2750 | } | |
2751 | } | |
2752 | ||
2753 | static int bttv_s_fmt(struct bttv_fh *fh, struct bttv *btv, | |
2754 | struct v4l2_format *f) | |
2755 | { | |
2756 | int retval; | |
2757 | ||
2758 | switch (f->type) { | |
2759 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
2760 | { | |
2761 | const struct bttv_format *fmt; | |
2762 | ||
2763 | retval = bttv_switch_type(fh,f->type); | |
2764 | if (0 != retval) | |
2765 | return retval; | |
e5bd0260 | 2766 | retval = bttv_try_fmt(fh,btv,f, /* adjust_crop */ 1); |
1da177e4 LT |
2767 | if (0 != retval) |
2768 | return retval; | |
2769 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
2770 | ||
2771 | /* update our state informations */ | |
3593cab5 | 2772 | mutex_lock(&fh->cap.lock); |
1da177e4 LT |
2773 | fh->fmt = fmt; |
2774 | fh->cap.field = f->fmt.pix.field; | |
2775 | fh->cap.last = V4L2_FIELD_NONE; | |
2776 | fh->width = f->fmt.pix.width; | |
2777 | fh->height = f->fmt.pix.height; | |
2778 | btv->init.fmt = fmt; | |
2779 | btv->init.width = f->fmt.pix.width; | |
2780 | btv->init.height = f->fmt.pix.height; | |
3593cab5 | 2781 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
2782 | |
2783 | return 0; | |
2784 | } | |
2785 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
4dcef524 MCC |
2786 | if (no_overlay > 0) { |
2787 | printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); | |
2788 | return -EINVAL; | |
2789 | } | |
1da177e4 LT |
2790 | return setup_window(fh, btv, &f->fmt.win, 1); |
2791 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
2792 | retval = bttv_switch_type(fh,f->type); | |
2793 | if (0 != retval) | |
2794 | return retval; | |
e5bd0260 | 2795 | return bttv_vbi_set_fmt(fh, &f->fmt.vbi); |
1da177e4 LT |
2796 | default: |
2797 | return -EINVAL; | |
2798 | } | |
2799 | } | |
2800 | ||
2801 | static int bttv_do_ioctl(struct inode *inode, struct file *file, | |
2802 | unsigned int cmd, void *arg) | |
2803 | { | |
2804 | struct bttv_fh *fh = file->private_data; | |
2805 | struct bttv *btv = fh->btv; | |
2806 | unsigned long flags; | |
2807 | int retval = 0; | |
2808 | ||
5e453dc7 MK |
2809 | if (bttv_debug > 1) |
2810 | v4l_print_ioctl(btv->c.name, cmd); | |
2811 | ||
1da177e4 LT |
2812 | if (btv->errors) |
2813 | bttv_reinit_bt848(btv); | |
2814 | ||
2815 | switch (cmd) { | |
4ac97914 MCC |
2816 | case VIDIOCSFREQ: |
2817 | case VIDIOCSTUNER: | |
2818 | case VIDIOCSCHAN: | |
1da177e4 LT |
2819 | case VIDIOC_S_CTRL: |
2820 | case VIDIOC_S_STD: | |
2821 | case VIDIOC_S_INPUT: | |
2822 | case VIDIOC_S_TUNER: | |
2823 | case VIDIOC_S_FREQUENCY: | |
2824 | retval = v4l2_prio_check(&btv->prio,&fh->prio); | |
2825 | if (0 != retval) | |
2826 | return retval; | |
2827 | }; | |
2828 | ||
2829 | switch (cmd) { | |
2830 | ||
2831 | /* *** v4l1 *** ************************************************ */ | |
2832 | case VIDIOCGCAP: | |
2833 | { | |
4ac97914 | 2834 | struct video_capability *cap = arg; |
1da177e4 LT |
2835 | |
2836 | memset(cap,0,sizeof(*cap)); | |
4ac97914 | 2837 | strcpy(cap->name,btv->video_dev->name); |
1da177e4 LT |
2838 | if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { |
2839 | /* vbi */ | |
2840 | cap->type = VID_TYPE_TUNER|VID_TYPE_TELETEXT; | |
2841 | } else { | |
2842 | /* others */ | |
2843 | cap->type = VID_TYPE_CAPTURE| | |
2844 | VID_TYPE_TUNER| | |
1da177e4 LT |
2845 | VID_TYPE_CLIPPING| |
2846 | VID_TYPE_SCALES; | |
4dcef524 MCC |
2847 | if (no_overlay <= 0) |
2848 | cap->type |= VID_TYPE_OVERLAY; | |
2849 | ||
1da177e4 LT |
2850 | cap->maxwidth = bttv_tvnorms[btv->tvnorm].swidth; |
2851 | cap->maxheight = bttv_tvnorms[btv->tvnorm].sheight; | |
2852 | cap->minwidth = 48; | |
2853 | cap->minheight = 32; | |
2854 | } | |
2855 | cap->channels = bttv_tvcards[btv->c.type].video_inputs; | |
2856 | cap->audios = bttv_tvcards[btv->c.type].audio_inputs; | |
4ac97914 | 2857 | return 0; |
1da177e4 LT |
2858 | } |
2859 | ||
2860 | case VIDIOCGPICT: | |
2861 | { | |
2862 | struct video_picture *pic = arg; | |
2863 | ||
2864 | memset(pic,0,sizeof(*pic)); | |
2865 | pic->brightness = btv->bright; | |
2866 | pic->contrast = btv->contrast; | |
2867 | pic->hue = btv->hue; | |
2868 | pic->colour = btv->saturation; | |
2869 | if (fh->fmt) { | |
2870 | pic->depth = fh->fmt->depth; | |
2871 | pic->palette = fh->fmt->palette; | |
2872 | } | |
2873 | return 0; | |
2874 | } | |
2875 | case VIDIOCSPICT: | |
2876 | { | |
2877 | struct video_picture *pic = arg; | |
2878 | const struct bttv_format *fmt; | |
2879 | ||
2880 | fmt = format_by_palette(pic->palette); | |
2881 | if (NULL == fmt) | |
2882 | return -EINVAL; | |
3593cab5 | 2883 | mutex_lock(&fh->cap.lock); |
13c72805 MS |
2884 | if (fmt->flags & FORMAT_FLAGS_RAW) { |
2885 | /* VIDIOCMCAPTURE uses gbufsize, not RAW_BPL * | |
2886 | RAW_LINES * 2. F1 is stored at offset 0, F2 | |
2887 | at buffer size / 2. */ | |
2888 | fh->width = RAW_BPL; | |
2889 | fh->height = gbufsize / RAW_BPL; | |
2890 | btv->init.width = RAW_BPL; | |
2891 | btv->init.height = gbufsize / RAW_BPL; | |
2892 | } | |
1da177e4 LT |
2893 | fh->ovfmt = fmt; |
2894 | fh->fmt = fmt; | |
2895 | btv->init.ovfmt = fmt; | |
2896 | btv->init.fmt = fmt; | |
2897 | if (bigendian) { | |
2898 | /* dirty hack time: swap bytes for overlay if the | |
2899 | display adaptor is big endian (insmod option) */ | |
2900 | if (fmt->palette == VIDEO_PALETTE_RGB555 || | |
2901 | fmt->palette == VIDEO_PALETTE_RGB565 || | |
2902 | fmt->palette == VIDEO_PALETTE_RGB32) { | |
2903 | fh->ovfmt = fmt+1; | |
2904 | } | |
2905 | } | |
2906 | bt848_bright(btv,pic->brightness); | |
2907 | bt848_contrast(btv,pic->contrast); | |
2908 | bt848_hue(btv,pic->hue); | |
2909 | bt848_sat(btv,pic->colour); | |
3593cab5 | 2910 | mutex_unlock(&fh->cap.lock); |
4ac97914 | 2911 | return 0; |
1da177e4 LT |
2912 | } |
2913 | ||
2914 | case VIDIOCGWIN: | |
2915 | { | |
2916 | struct video_window *win = arg; | |
2917 | ||
2918 | memset(win,0,sizeof(*win)); | |
2919 | win->x = fh->ov.w.left; | |
2920 | win->y = fh->ov.w.top; | |
2921 | win->width = fh->ov.w.width; | |
2922 | win->height = fh->ov.w.height; | |
2923 | return 0; | |
2924 | } | |
2925 | case VIDIOCSWIN: | |
2926 | { | |
2927 | struct video_window *win = arg; | |
2928 | struct v4l2_window w2; | |
2929 | ||
4dcef524 MCC |
2930 | if (no_overlay > 0) { |
2931 | printk ("VIDIOCSWIN: no_overlay\n"); | |
2932 | return -EINVAL; | |
2933 | } | |
2934 | ||
1da177e4 LT |
2935 | w2.field = V4L2_FIELD_ANY; |
2936 | w2.w.left = win->x; | |
2937 | w2.w.top = win->y; | |
2938 | w2.w.width = win->width; | |
2939 | w2.w.height = win->height; | |
2940 | w2.clipcount = win->clipcount; | |
2941 | w2.clips = (struct v4l2_clip __user *)win->clips; | |
2942 | retval = setup_window(fh, btv, &w2, 0); | |
2943 | if (0 == retval) { | |
2944 | /* on v4l1 this ioctl affects the read() size too */ | |
2945 | fh->width = fh->ov.w.width; | |
2946 | fh->height = fh->ov.w.height; | |
2947 | btv->init.width = fh->ov.w.width; | |
2948 | btv->init.height = fh->ov.w.height; | |
2949 | } | |
2950 | return retval; | |
2951 | } | |
2952 | ||
2953 | case VIDIOCGFBUF: | |
2954 | { | |
2955 | struct video_buffer *fbuf = arg; | |
2956 | ||
2957 | fbuf->base = btv->fbuf.base; | |
2958 | fbuf->width = btv->fbuf.fmt.width; | |
2959 | fbuf->height = btv->fbuf.fmt.height; | |
2960 | fbuf->bytesperline = btv->fbuf.fmt.bytesperline; | |
2961 | if (fh->ovfmt) | |
2962 | fbuf->depth = fh->ovfmt->depth; | |
37026278 MCC |
2963 | else { |
2964 | if (fbuf->width) | |
2965 | fbuf->depth = ((fbuf->bytesperline<<3) | |
a2b9e3e7 TP |
2966 | + (fbuf->width-1) ) |
2967 | /fbuf->width; | |
37026278 MCC |
2968 | else |
2969 | fbuf->depth = 0; | |
2970 | } | |
1da177e4 LT |
2971 | return 0; |
2972 | } | |
2973 | case VIDIOCSFBUF: | |
2974 | { | |
2975 | struct video_buffer *fbuf = arg; | |
2976 | const struct bttv_format *fmt; | |
2977 | unsigned long end; | |
2978 | ||
2979 | if(!capable(CAP_SYS_ADMIN) && | |
4ac97914 MCC |
2980 | !capable(CAP_SYS_RAWIO)) |
2981 | return -EPERM; | |
1da177e4 LT |
2982 | end = (unsigned long)fbuf->base + |
2983 | fbuf->height * fbuf->bytesperline; | |
3593cab5 | 2984 | mutex_lock(&fh->cap.lock); |
1da177e4 LT |
2985 | retval = -EINVAL; |
2986 | ||
2987 | switch (fbuf->depth) { | |
2988 | case 8: | |
2989 | fmt = format_by_palette(VIDEO_PALETTE_HI240); | |
2990 | break; | |
2991 | case 16: | |
2992 | fmt = format_by_palette(VIDEO_PALETTE_RGB565); | |
2993 | break; | |
2994 | case 24: | |
2995 | fmt = format_by_palette(VIDEO_PALETTE_RGB24); | |
2996 | break; | |
2997 | case 32: | |
2998 | fmt = format_by_palette(VIDEO_PALETTE_RGB32); | |
2999 | break; | |
3000 | case 15: | |
3001 | fbuf->depth = 16; | |
3002 | fmt = format_by_palette(VIDEO_PALETTE_RGB555); | |
3003 | break; | |
3004 | default: | |
3005 | fmt = NULL; | |
3006 | break; | |
3007 | } | |
3008 | if (NULL == fmt) | |
3009 | goto fh_unlock_and_return; | |
3010 | ||
3011 | fh->ovfmt = fmt; | |
3012 | fh->fmt = fmt; | |
3013 | btv->init.ovfmt = fmt; | |
3014 | btv->init.fmt = fmt; | |
3015 | btv->fbuf.base = fbuf->base; | |
3016 | btv->fbuf.fmt.width = fbuf->width; | |
3017 | btv->fbuf.fmt.height = fbuf->height; | |
3018 | if (fbuf->bytesperline) | |
3019 | btv->fbuf.fmt.bytesperline = fbuf->bytesperline; | |
3020 | else | |
3021 | btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fbuf->depth/8; | |
3593cab5 | 3022 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
3023 | return 0; |
3024 | } | |
3025 | ||
3026 | case VIDIOCCAPTURE: | |
3027 | case VIDIOC_OVERLAY: | |
3028 | { | |
3029 | struct bttv_buffer *new; | |
3030 | int *on = arg; | |
3031 | ||
3032 | if (*on) { | |
3033 | /* verify args */ | |
3034 | if (NULL == btv->fbuf.base) | |
3035 | return -EINVAL; | |
3036 | if (!fh->ov.setup_ok) { | |
3037 | dprintk("bttv%d: overlay: !setup_ok\n",btv->c.nr); | |
3038 | return -EINVAL; | |
3039 | } | |
3040 | } | |
3041 | ||
3042 | if (!check_alloc_btres(btv,fh,RESOURCE_OVERLAY)) | |
3043 | return -EBUSY; | |
3044 | ||
3593cab5 | 3045 | mutex_lock(&fh->cap.lock); |
1da177e4 LT |
3046 | if (*on) { |
3047 | fh->ov.tvnorm = btv->tvnorm; | |
c1accaa2 | 3048 | new = videobuf_pci_alloc(sizeof(*new)); |
e5bd0260 | 3049 | new->crop = btv->crop[!!fh->do_crop].rect; |
1da177e4 LT |
3050 | bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); |
3051 | } else { | |
3052 | new = NULL; | |
3053 | } | |
3054 | ||
3055 | /* switch over */ | |
4ac97914 | 3056 | retval = bttv_switch_overlay(btv,fh,new); |
3593cab5 | 3057 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
3058 | return retval; |
3059 | } | |
3060 | ||
3061 | case VIDIOCGMBUF: | |
3062 | { | |
3063 | struct video_mbuf *mbuf = arg; | |
3064 | unsigned int i; | |
3065 | ||
3593cab5 | 3066 | mutex_lock(&fh->cap.lock); |
1da177e4 LT |
3067 | retval = videobuf_mmap_setup(&fh->cap,gbuffers,gbufsize, |
3068 | V4L2_MEMORY_MMAP); | |
3069 | if (retval < 0) | |
3070 | goto fh_unlock_and_return; | |
49ee718e BP |
3071 | |
3072 | gbuffers = retval; | |
1da177e4 LT |
3073 | memset(mbuf,0,sizeof(*mbuf)); |
3074 | mbuf->frames = gbuffers; | |
3075 | mbuf->size = gbuffers * gbufsize; | |
3076 | for (i = 0; i < gbuffers; i++) | |
3077 | mbuf->offsets[i] = i * gbufsize; | |
3593cab5 | 3078 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
3079 | return 0; |
3080 | } | |
3081 | case VIDIOCMCAPTURE: | |
3082 | { | |
3083 | struct video_mmap *vm = arg; | |
3084 | struct bttv_buffer *buf; | |
3085 | enum v4l2_field field; | |
e5bd0260 MS |
3086 | __s32 height2; |
3087 | int res; | |
1da177e4 LT |
3088 | |
3089 | if (vm->frame >= VIDEO_MAX_FRAME) | |
3090 | return -EINVAL; | |
3091 | ||
e5bd0260 MS |
3092 | res = bttv_resource(fh); |
3093 | if (!check_alloc_btres(btv, fh, res)) | |
3094 | return -EBUSY; | |
3095 | ||
3593cab5 | 3096 | mutex_lock(&fh->cap.lock); |
1da177e4 LT |
3097 | retval = -EINVAL; |
3098 | buf = (struct bttv_buffer *)fh->cap.bufs[vm->frame]; | |
3099 | if (NULL == buf) | |
3100 | goto fh_unlock_and_return; | |
3101 | if (0 == buf->vb.baddr) | |
3102 | goto fh_unlock_and_return; | |
3103 | if (buf->vb.state == STATE_QUEUED || | |
3104 | buf->vb.state == STATE_ACTIVE) | |
3105 | goto fh_unlock_and_return; | |
3106 | ||
e5bd0260 MS |
3107 | height2 = btv->crop[!!fh->do_crop].rect.height >> 1; |
3108 | field = (vm->height > height2) | |
1da177e4 LT |
3109 | ? V4L2_FIELD_INTERLACED |
3110 | : V4L2_FIELD_BOTTOM; | |
c7b0ac05 | 3111 | retval = bttv_prepare_buffer(&fh->cap,btv,buf, |
1da177e4 LT |
3112 | format_by_palette(vm->format), |
3113 | vm->width,vm->height,field); | |
3114 | if (0 != retval) | |
3115 | goto fh_unlock_and_return; | |
a8ab68bf TP |
3116 | btv->init.width = vm->width; |
3117 | btv->init.height = vm->height; | |
1da177e4 LT |
3118 | spin_lock_irqsave(&btv->s_lock,flags); |
3119 | buffer_queue(&fh->cap,&buf->vb); | |
3120 | spin_unlock_irqrestore(&btv->s_lock,flags); | |
3593cab5 | 3121 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
3122 | return 0; |
3123 | } | |
3124 | case VIDIOCSYNC: | |
3125 | { | |
3126 | int *frame = arg; | |
3127 | struct bttv_buffer *buf; | |
3128 | ||
3129 | if (*frame >= VIDEO_MAX_FRAME) | |
3130 | return -EINVAL; | |
3131 | ||
3593cab5 | 3132 | mutex_lock(&fh->cap.lock); |
1da177e4 LT |
3133 | retval = -EINVAL; |
3134 | buf = (struct bttv_buffer *)fh->cap.bufs[*frame]; | |
3135 | if (NULL == buf) | |
3136 | goto fh_unlock_and_return; | |
3137 | retval = videobuf_waiton(&buf->vb,0,1); | |
3138 | if (0 != retval) | |
3139 | goto fh_unlock_and_return; | |
3140 | switch (buf->vb.state) { | |
3141 | case STATE_ERROR: | |
3142 | retval = -EIO; | |
3143 | /* fall through */ | |
3144 | case STATE_DONE: | |
c1accaa2 MCC |
3145 | { |
3146 | struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); | |
3147 | videobuf_dma_sync(&fh->cap,dma); | |
c7b0ac05 | 3148 | bttv_dma_free(&fh->cap,btv,buf); |
1da177e4 | 3149 | break; |
c1accaa2 | 3150 | } |
1da177e4 LT |
3151 | default: |
3152 | retval = -EINVAL; | |
3153 | break; | |
3154 | } | |
3593cab5 | 3155 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
3156 | return retval; |
3157 | } | |
3158 | ||
3159 | case VIDIOCGVBIFMT: | |
1da177e4 LT |
3160 | if (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE) { |
3161 | retval = bttv_switch_type(fh,V4L2_BUF_TYPE_VBI_CAPTURE); | |
3162 | if (0 != retval) | |
3163 | return retval; | |
3164 | } | |
1da177e4 | 3165 | |
e5bd0260 | 3166 | /* fall through */ |
1da177e4 | 3167 | |
e5bd0260 MS |
3168 | case VIDIOCSVBIFMT: |
3169 | return v4l_compat_translate_ioctl(inode, file, cmd, | |
3170 | arg, bttv_do_ioctl); | |
1da177e4 | 3171 | |
4ac97914 MCC |
3172 | case BTTV_VERSION: |
3173 | case VIDIOCGFREQ: | |
3174 | case VIDIOCSFREQ: | |
3175 | case VIDIOCGTUNER: | |
3176 | case VIDIOCSTUNER: | |
3177 | case VIDIOCGCHAN: | |
3178 | case VIDIOCSCHAN: | |
1da177e4 LT |
3179 | case VIDIOCGAUDIO: |
3180 | case VIDIOCSAUDIO: | |
3181 | return bttv_common_ioctls(btv,cmd,arg); | |
3182 | ||
3183 | /* *** v4l2 *** ************************************************ */ | |
3184 | case VIDIOC_QUERYCAP: | |
3185 | { | |
3186 | struct v4l2_capability *cap = arg; | |
3187 | ||
3188 | if (0 == v4l2) | |
3189 | return -EINVAL; | |
bbf7871e MS |
3190 | memset(cap, 0, sizeof (*cap)); |
3191 | strlcpy(cap->driver, "bttv", sizeof (cap->driver)); | |
3192 | strlcpy(cap->card, btv->video_dev->name, sizeof (cap->card)); | |
3193 | snprintf(cap->bus_info, sizeof (cap->bus_info), | |
3194 | "PCI:%s", pci_name(btv->c.pci)); | |
1da177e4 LT |
3195 | cap->version = BTTV_VERSION_CODE; |
3196 | cap->capabilities = | |
3197 | V4L2_CAP_VIDEO_CAPTURE | | |
1da177e4 LT |
3198 | V4L2_CAP_VBI_CAPTURE | |
3199 | V4L2_CAP_READWRITE | | |
3200 | V4L2_CAP_STREAMING; | |
4dcef524 MCC |
3201 | if (no_overlay <= 0) |
3202 | cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY; | |
3203 | ||
1da177e4 LT |
3204 | if (bttv_tvcards[btv->c.type].tuner != UNSET && |
3205 | bttv_tvcards[btv->c.type].tuner != TUNER_ABSENT) | |
3206 | cap->capabilities |= V4L2_CAP_TUNER; | |
3207 | return 0; | |
3208 | } | |
3209 | ||
3210 | case VIDIOC_ENUM_FMT: | |
3211 | { | |
3212 | struct v4l2_fmtdesc *f = arg; | |
3213 | enum v4l2_buf_type type; | |
3214 | unsigned int i; | |
3215 | int index; | |
3216 | ||
3217 | type = f->type; | |
3218 | if (V4L2_BUF_TYPE_VBI_CAPTURE == type) { | |
3219 | /* vbi */ | |
3220 | index = f->index; | |
3221 | if (0 != index) | |
3222 | return -EINVAL; | |
3223 | memset(f,0,sizeof(*f)); | |
3224 | f->index = index; | |
3225 | f->type = type; | |
3226 | f->pixelformat = V4L2_PIX_FMT_GREY; | |
3227 | strcpy(f->description,"vbi data"); | |
3228 | return 0; | |
3229 | } | |
3230 | ||
3231 | /* video capture + overlay */ | |
3232 | index = -1; | |
3233 | for (i = 0; i < BTTV_FORMATS; i++) { | |
3234 | if (bttv_formats[i].fourcc != -1) | |
3235 | index++; | |
3236 | if ((unsigned int)index == f->index) | |
3237 | break; | |
3238 | } | |
3239 | if (BTTV_FORMATS == i) | |
3240 | return -EINVAL; | |
3241 | ||
3242 | switch (f->type) { | |
3243 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
3244 | break; | |
3245 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
3246 | if (!(bttv_formats[i].flags & FORMAT_FLAGS_PACKED)) | |
3247 | return -EINVAL; | |
3248 | break; | |
3249 | default: | |
3250 | return -EINVAL; | |
3251 | } | |
3252 | memset(f,0,sizeof(*f)); | |
3253 | f->index = index; | |
3254 | f->type = type; | |
3255 | f->pixelformat = bttv_formats[i].fourcc; | |
3256 | strlcpy(f->description,bttv_formats[i].name,sizeof(f->description)); | |
3257 | return 0; | |
3258 | } | |
3259 | ||
3260 | case VIDIOC_TRY_FMT: | |
3261 | { | |
3262 | struct v4l2_format *f = arg; | |
e5bd0260 | 3263 | return bttv_try_fmt(fh,btv,f, /* adjust_crop */ 0); |
1da177e4 LT |
3264 | } |
3265 | case VIDIOC_G_FMT: | |
3266 | { | |
3267 | struct v4l2_format *f = arg; | |
3268 | return bttv_g_fmt(fh,f); | |
3269 | } | |
3270 | case VIDIOC_S_FMT: | |
3271 | { | |
3272 | struct v4l2_format *f = arg; | |
3273 | return bttv_s_fmt(fh,btv,f); | |
3274 | } | |
3275 | ||
3276 | case VIDIOC_G_FBUF: | |
3277 | { | |
3278 | struct v4l2_framebuffer *fb = arg; | |
3279 | ||
3280 | *fb = btv->fbuf; | |
3281 | fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; | |
3282 | if (fh->ovfmt) | |
3283 | fb->fmt.pixelformat = fh->ovfmt->fourcc; | |
3284 | return 0; | |
3285 | } | |
3286 | case VIDIOC_S_FBUF: | |
3287 | { | |
3288 | struct v4l2_framebuffer *fb = arg; | |
3289 | const struct bttv_format *fmt; | |
3290 | ||
3291 | if(!capable(CAP_SYS_ADMIN) && | |
3292 | !capable(CAP_SYS_RAWIO)) | |
3293 | return -EPERM; | |
3294 | ||
3295 | /* check args */ | |
3296 | fmt = format_by_fourcc(fb->fmt.pixelformat); | |
3297 | if (NULL == fmt) | |
3298 | return -EINVAL; | |
3299 | if (0 == (fmt->flags & FORMAT_FLAGS_PACKED)) | |
3300 | return -EINVAL; | |
3301 | ||
1da177e4 LT |
3302 | retval = -EINVAL; |
3303 | if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) { | |
e5bd0260 MS |
3304 | __s32 width = fb->fmt.width; |
3305 | __s32 height = fb->fmt.height; | |
3306 | ||
3307 | retval = limit_scaled_size(fh, &width, &height, | |
3308 | V4L2_FIELD_INTERLACED, | |
3309 | /* width_mask */ ~3, | |
3310 | /* width_bias */ 2, | |
3311 | /* adjust_size */ 0, | |
3312 | /* adjust_crop */ 0); | |
3313 | if (0 != retval) | |
3314 | return retval; | |
1da177e4 LT |
3315 | } |
3316 | ||
3317 | /* ok, accept it */ | |
e5bd0260 | 3318 | mutex_lock(&fh->cap.lock); |
1da177e4 LT |
3319 | btv->fbuf.base = fb->base; |
3320 | btv->fbuf.fmt.width = fb->fmt.width; | |
3321 | btv->fbuf.fmt.height = fb->fmt.height; | |
3322 | if (0 != fb->fmt.bytesperline) | |
3323 | btv->fbuf.fmt.bytesperline = fb->fmt.bytesperline; | |
3324 | else | |
3325 | btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fmt->depth/8; | |
3326 | ||
3327 | retval = 0; | |
3328 | fh->ovfmt = fmt; | |
3329 | btv->init.ovfmt = fmt; | |
3330 | if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) { | |
3331 | fh->ov.w.left = 0; | |
3332 | fh->ov.w.top = 0; | |
3333 | fh->ov.w.width = fb->fmt.width; | |
3334 | fh->ov.w.height = fb->fmt.height; | |
3335 | btv->init.ov.w.width = fb->fmt.width; | |
3336 | btv->init.ov.w.height = fb->fmt.height; | |
674434c6 | 3337 | kfree(fh->ov.clips); |
1da177e4 LT |
3338 | fh->ov.clips = NULL; |
3339 | fh->ov.nclips = 0; | |
3340 | ||
3341 | if (check_btres(fh, RESOURCE_OVERLAY)) { | |
3342 | struct bttv_buffer *new; | |
3343 | ||
c1accaa2 | 3344 | new = videobuf_pci_alloc(sizeof(*new)); |
e5bd0260 | 3345 | new->crop = btv->crop[!!fh->do_crop].rect; |
1da177e4 LT |
3346 | bttv_overlay_risc(btv,&fh->ov,fh->ovfmt,new); |
3347 | retval = bttv_switch_overlay(btv,fh,new); | |
3348 | } | |
3349 | } | |
3593cab5 | 3350 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
3351 | return retval; |
3352 | } | |
3353 | ||
3354 | case VIDIOC_REQBUFS: | |
3355 | return videobuf_reqbufs(bttv_queue(fh),arg); | |
3356 | ||
3357 | case VIDIOC_QUERYBUF: | |
3358 | return videobuf_querybuf(bttv_queue(fh),arg); | |
3359 | ||
3360 | case VIDIOC_QBUF: | |
e5bd0260 MS |
3361 | { |
3362 | int res = bttv_resource(fh); | |
3363 | ||
3364 | if (!check_alloc_btres(btv, fh, res)) | |
3365 | return -EBUSY; | |
1da177e4 | 3366 | return videobuf_qbuf(bttv_queue(fh),arg); |
e5bd0260 | 3367 | } |
1da177e4 LT |
3368 | |
3369 | case VIDIOC_DQBUF: | |
3370 | return videobuf_dqbuf(bttv_queue(fh),arg, | |
3371 | file->f_flags & O_NONBLOCK); | |
3372 | ||
3373 | case VIDIOC_STREAMON: | |
3374 | { | |
3375 | int res = bttv_resource(fh); | |
3376 | ||
3377 | if (!check_alloc_btres(btv,fh,res)) | |
3378 | return -EBUSY; | |
3379 | return videobuf_streamon(bttv_queue(fh)); | |
3380 | } | |
3381 | case VIDIOC_STREAMOFF: | |
3382 | { | |
3383 | int res = bttv_resource(fh); | |
3384 | ||
3385 | retval = videobuf_streamoff(bttv_queue(fh)); | |
3386 | if (retval < 0) | |
3387 | return retval; | |
3388 | free_btres(btv,fh,res); | |
3389 | return 0; | |
3390 | } | |
3391 | ||
3392 | case VIDIOC_QUERYCTRL: | |
3393 | { | |
3394 | struct v4l2_queryctrl *c = arg; | |
3395 | int i; | |
3396 | ||
3397 | if ((c->id < V4L2_CID_BASE || | |
3398 | c->id >= V4L2_CID_LASTP1) && | |
3399 | (c->id < V4L2_CID_PRIVATE_BASE || | |
3400 | c->id >= V4L2_CID_PRIVATE_LASTP1)) | |
3401 | return -EINVAL; | |
3402 | for (i = 0; i < BTTV_CTLS; i++) | |
3403 | if (bttv_ctls[i].id == c->id) | |
3404 | break; | |
3405 | if (i == BTTV_CTLS) { | |
3406 | *c = no_ctl; | |
3407 | return 0; | |
3408 | } | |
3409 | *c = bttv_ctls[i]; | |
0020d3ef | 3410 | if (btv->audio_hook && i >= 4 && i <= 8) { |
1da177e4 LT |
3411 | struct video_audio va; |
3412 | memset(&va,0,sizeof(va)); | |
0020d3ef | 3413 | btv->audio_hook(btv,&va,0); |
1da177e4 LT |
3414 | switch (bttv_ctls[i].id) { |
3415 | case V4L2_CID_AUDIO_VOLUME: | |
3416 | if (!(va.flags & VIDEO_AUDIO_VOLUME)) | |
3417 | *c = no_ctl; | |
3418 | break; | |
3419 | case V4L2_CID_AUDIO_BALANCE: | |
3420 | if (!(va.flags & VIDEO_AUDIO_BALANCE)) | |
3421 | *c = no_ctl; | |
3422 | break; | |
3423 | case V4L2_CID_AUDIO_BASS: | |
3424 | if (!(va.flags & VIDEO_AUDIO_BASS)) | |
3425 | *c = no_ctl; | |
3426 | break; | |
3427 | case V4L2_CID_AUDIO_TREBLE: | |
3428 | if (!(va.flags & VIDEO_AUDIO_TREBLE)) | |
3429 | *c = no_ctl; | |
3430 | break; | |
3431 | } | |
3432 | } | |
3433 | return 0; | |
3434 | } | |
3435 | case VIDIOC_G_CTRL: | |
3436 | return get_control(btv,arg); | |
3437 | case VIDIOC_S_CTRL: | |
3438 | return set_control(btv,arg); | |
3439 | case VIDIOC_G_PARM: | |
3440 | { | |
3441 | struct v4l2_streamparm *parm = arg; | |
3442 | struct v4l2_standard s; | |
3443 | if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
3444 | return -EINVAL; | |
3445 | memset(parm,0,sizeof(*parm)); | |
3446 | v4l2_video_std_construct(&s, bttv_tvnorms[btv->tvnorm].v4l2_id, | |
3447 | bttv_tvnorms[btv->tvnorm].name); | |
3448 | parm->parm.capture.timeperframe = s.frameperiod; | |
3449 | return 0; | |
3450 | } | |
3451 | ||
3452 | case VIDIOC_G_PRIORITY: | |
3453 | { | |
3454 | enum v4l2_priority *p = arg; | |
3455 | ||
3456 | *p = v4l2_prio_max(&btv->prio); | |
3457 | return 0; | |
3458 | } | |
3459 | case VIDIOC_S_PRIORITY: | |
3460 | { | |
3461 | enum v4l2_priority *prio = arg; | |
3462 | ||
3463 | return v4l2_prio_change(&btv->prio, &fh->prio, *prio); | |
3464 | } | |
3465 | ||
e5bd0260 MS |
3466 | case VIDIOC_CROPCAP: |
3467 | { | |
3468 | struct v4l2_cropcap *cap = arg; | |
3469 | enum v4l2_buf_type type; | |
3470 | ||
3471 | type = cap->type; | |
3472 | ||
3473 | if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE && | |
3474 | type != V4L2_BUF_TYPE_VIDEO_OVERLAY) | |
3475 | return -EINVAL; | |
3476 | ||
3477 | *cap = bttv_tvnorms[btv->tvnorm].cropcap; | |
3478 | cap->type = type; | |
3479 | ||
3480 | return 0; | |
3481 | } | |
3482 | case VIDIOC_G_CROP: | |
3483 | { | |
3484 | struct v4l2_crop * crop = arg; | |
3485 | ||
3486 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && | |
3487 | crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) | |
3488 | return -EINVAL; | |
3489 | ||
3490 | /* No fh->do_crop = 1; because btv->crop[1] may be | |
3491 | inconsistent with fh->width or fh->height and apps | |
3492 | do not expect a change here. */ | |
3493 | ||
3494 | crop->c = btv->crop[!!fh->do_crop].rect; | |
3495 | ||
3496 | return 0; | |
3497 | } | |
3498 | case VIDIOC_S_CROP: | |
3499 | { | |
3500 | struct v4l2_crop *crop = arg; | |
3501 | const struct v4l2_rect *b; | |
3502 | struct bttv_crop c; | |
3503 | __s32 b_left; | |
3504 | __s32 b_top; | |
3505 | __s32 b_right; | |
3506 | __s32 b_bottom; | |
3507 | ||
3508 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && | |
3509 | crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) | |
3510 | return -EINVAL; | |
3511 | ||
3512 | retval = v4l2_prio_check(&btv->prio,&fh->prio); | |
3513 | if (0 != retval) | |
3514 | return retval; | |
3515 | ||
3516 | /* Make sure tvnorm, vbi_end and the current cropping | |
3517 | parameters remain consistent until we're done. Note | |
3518 | read() may change vbi_end in check_alloc_btres(). */ | |
3519 | mutex_lock(&btv->lock); | |
3520 | ||
3521 | retval = -EBUSY; | |
3522 | ||
3523 | if (locked_btres(fh->btv, VIDEO_RESOURCES)) | |
3524 | goto btv_unlock_and_return; | |
3525 | ||
3526 | b = &bttv_tvnorms[btv->tvnorm].cropcap.bounds; | |
3527 | ||
3528 | b_left = b->left; | |
3529 | b_right = b_left + b->width; | |
3530 | b_bottom = b->top + b->height; | |
3531 | ||
3532 | b_top = max(b->top, btv->vbi_end); | |
3533 | if (b_top + 32 >= b_bottom) | |
3534 | goto btv_unlock_and_return; | |
3535 | ||
3536 | /* Min. scaled size 48 x 32. */ | |
3537 | c.rect.left = clamp(crop->c.left, b_left, b_right - 48); | |
3538 | c.rect.left = min(c.rect.left, (__s32) MAX_HDELAY); | |
3539 | ||
3540 | c.rect.width = clamp(crop->c.width, | |
3541 | 48, b_right - c.rect.left); | |
3542 | ||
3543 | c.rect.top = clamp(crop->c.top, b_top, b_bottom - 32); | |
3544 | /* Top and height must be a multiple of two. */ | |
3545 | c.rect.top = (c.rect.top + 1) & ~1; | |
3546 | ||
3547 | c.rect.height = clamp(crop->c.height, | |
3548 | 32, b_bottom - c.rect.top); | |
3549 | c.rect.height = (c.rect.height + 1) & ~1; | |
3550 | ||
3551 | bttv_crop_calc_limits(&c); | |
3552 | ||
3553 | btv->crop[1] = c; | |
3554 | ||
3555 | mutex_unlock(&btv->lock); | |
3556 | ||
3557 | fh->do_crop = 1; | |
3558 | ||
3559 | mutex_lock(&fh->cap.lock); | |
3560 | ||
3561 | if (fh->width < c.min_scaled_width) { | |
3562 | fh->width = c.min_scaled_width; | |
3563 | btv->init.width = c.min_scaled_width; | |
3564 | } else if (fh->width > c.max_scaled_width) { | |
3565 | fh->width = c.max_scaled_width; | |
3566 | btv->init.width = c.max_scaled_width; | |
3567 | } | |
3568 | ||
3569 | if (fh->height < c.min_scaled_height) { | |
3570 | fh->height = c.min_scaled_height; | |
3571 | btv->init.height = c.min_scaled_height; | |
3572 | } else if (fh->height > c.max_scaled_height) { | |
3573 | fh->height = c.max_scaled_height; | |
3574 | btv->init.height = c.max_scaled_height; | |
3575 | } | |
3576 | ||
3577 | mutex_unlock(&fh->cap.lock); | |
3578 | ||
3579 | return 0; | |
3580 | } | |
3581 | ||
1da177e4 LT |
3582 | case VIDIOC_ENUMSTD: |
3583 | case VIDIOC_G_STD: | |
3584 | case VIDIOC_S_STD: | |
3585 | case VIDIOC_ENUMINPUT: | |
3586 | case VIDIOC_G_INPUT: | |
3587 | case VIDIOC_S_INPUT: | |
3588 | case VIDIOC_G_TUNER: | |
3589 | case VIDIOC_S_TUNER: | |
3590 | case VIDIOC_G_FREQUENCY: | |
3591 | case VIDIOC_S_FREQUENCY: | |
299392bf | 3592 | case VIDIOC_LOG_STATUS: |
55c0d100 TP |
3593 | case VIDIOC_DBG_G_REGISTER: |
3594 | case VIDIOC_DBG_S_REGISTER: | |
1da177e4 LT |
3595 | return bttv_common_ioctls(btv,cmd,arg); |
3596 | ||
3597 | default: | |
3598 | return -ENOIOCTLCMD; | |
3599 | } | |
3600 | return 0; | |
3601 | ||
3602 | fh_unlock_and_return: | |
3593cab5 | 3603 | mutex_unlock(&fh->cap.lock); |
1da177e4 | 3604 | return retval; |
e5bd0260 MS |
3605 | |
3606 | btv_unlock_and_return: | |
3607 | mutex_unlock(&btv->lock); | |
3608 | return retval; | |
1da177e4 LT |
3609 | } |
3610 | ||
3611 | static int bttv_ioctl(struct inode *inode, struct file *file, | |
3612 | unsigned int cmd, unsigned long arg) | |
3613 | { | |
3614 | struct bttv_fh *fh = file->private_data; | |
3615 | ||
3616 | switch (cmd) { | |
3617 | case BTTV_VBISIZE: | |
e5bd0260 MS |
3618 | { |
3619 | const struct bttv_tvnorm *tvnorm; | |
3620 | ||
3621 | tvnorm = fh->vbi_fmt.tvnorm; | |
3622 | ||
3623 | if (fh->vbi_fmt.fmt.start[0] != tvnorm->vbistart[0] || | |
3624 | fh->vbi_fmt.fmt.start[1] != tvnorm->vbistart[1] || | |
3625 | fh->vbi_fmt.fmt.count[0] != fh->vbi_fmt.fmt.count[1]) { | |
3626 | /* BTTV_VBISIZE cannot express these parameters, | |
3627 | however open() resets the paramters to defaults | |
3628 | and apps shouldn't call BTTV_VBISIZE after | |
3629 | VIDIOC_S_FMT. */ | |
3630 | return -EINVAL; | |
3631 | } | |
3632 | ||
1da177e4 | 3633 | bttv_switch_type(fh,V4L2_BUF_TYPE_VBI_CAPTURE); |
e5bd0260 MS |
3634 | return (fh->vbi_fmt.fmt.count[0] * 2 |
3635 | * fh->vbi_fmt.fmt.samples_per_line); | |
3636 | } | |
3637 | ||
1da177e4 LT |
3638 | default: |
3639 | return video_usercopy(inode, file, cmd, arg, bttv_do_ioctl); | |
3640 | } | |
3641 | } | |
3642 | ||
3643 | static ssize_t bttv_read(struct file *file, char __user *data, | |
3644 | size_t count, loff_t *ppos) | |
3645 | { | |
3646 | struct bttv_fh *fh = file->private_data; | |
3647 | int retval = 0; | |
3648 | ||
3649 | if (fh->btv->errors) | |
3650 | bttv_reinit_bt848(fh->btv); | |
3651 | dprintk("bttv%d: read count=%d type=%s\n", | |
3652 | fh->btv->c.nr,(int)count,v4l2_type_names[fh->type]); | |
3653 | ||
3654 | switch (fh->type) { | |
3655 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
e5bd0260 MS |
3656 | if (!check_alloc_btres(fh->btv, fh, RESOURCE_VIDEO_READ)) { |
3657 | /* VIDEO_READ in use by another fh, | |
3658 | or VIDEO_STREAM by any fh. */ | |
1da177e4 | 3659 | return -EBUSY; |
e5bd0260 | 3660 | } |
1da177e4 LT |
3661 | retval = videobuf_read_one(&fh->cap, data, count, ppos, |
3662 | file->f_flags & O_NONBLOCK); | |
e5bd0260 | 3663 | free_btres(fh->btv, fh, RESOURCE_VIDEO_READ); |
1da177e4 LT |
3664 | break; |
3665 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
3666 | if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI)) | |
3667 | return -EBUSY; | |
3668 | retval = videobuf_read_stream(&fh->vbi, data, count, ppos, 1, | |
3669 | file->f_flags & O_NONBLOCK); | |
3670 | break; | |
3671 | default: | |
3672 | BUG(); | |
3673 | } | |
3674 | return retval; | |
3675 | } | |
3676 | ||
3677 | static unsigned int bttv_poll(struct file *file, poll_table *wait) | |
3678 | { | |
3679 | struct bttv_fh *fh = file->private_data; | |
3680 | struct bttv_buffer *buf; | |
3681 | enum v4l2_field field; | |
3682 | ||
3683 | if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { | |
3684 | if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI)) | |
3685 | return POLLERR; | |
3686 | return videobuf_poll_stream(file, &fh->vbi, wait); | |
3687 | } | |
3688 | ||
e5bd0260 | 3689 | if (check_btres(fh,RESOURCE_VIDEO_STREAM)) { |
1da177e4 LT |
3690 | /* streaming capture */ |
3691 | if (list_empty(&fh->cap.stream)) | |
3692 | return POLLERR; | |
3693 | buf = list_entry(fh->cap.stream.next,struct bttv_buffer,vb.stream); | |
3694 | } else { | |
3695 | /* read() capture */ | |
3593cab5 | 3696 | mutex_lock(&fh->cap.lock); |
1da177e4 LT |
3697 | if (NULL == fh->cap.read_buf) { |
3698 | /* need to capture a new frame */ | |
e5bd0260 | 3699 | if (locked_btres(fh->btv,RESOURCE_VIDEO_STREAM)) { |
3593cab5 | 3700 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
3701 | return POLLERR; |
3702 | } | |
c1accaa2 | 3703 | fh->cap.read_buf = videobuf_pci_alloc(fh->cap.msize); |
1da177e4 | 3704 | if (NULL == fh->cap.read_buf) { |
3593cab5 | 3705 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
3706 | return POLLERR; |
3707 | } | |
3708 | fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR; | |
3709 | field = videobuf_next_field(&fh->cap); | |
3710 | if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) { | |
50ab5edc NS |
3711 | kfree (fh->cap.read_buf); |
3712 | fh->cap.read_buf = NULL; | |
3593cab5 | 3713 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
3714 | return POLLERR; |
3715 | } | |
3716 | fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf); | |
3717 | fh->cap.read_off = 0; | |
3718 | } | |
3593cab5 | 3719 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
3720 | buf = (struct bttv_buffer*)fh->cap.read_buf; |
3721 | } | |
3722 | ||
3723 | poll_wait(file, &buf->vb.done, wait); | |
3724 | if (buf->vb.state == STATE_DONE || | |
3725 | buf->vb.state == STATE_ERROR) | |
3726 | return POLLIN|POLLRDNORM; | |
3727 | return 0; | |
3728 | } | |
3729 | ||
3730 | static int bttv_open(struct inode *inode, struct file *file) | |
3731 | { | |
3732 | int minor = iminor(inode); | |
3733 | struct bttv *btv = NULL; | |
3734 | struct bttv_fh *fh; | |
3735 | enum v4l2_buf_type type = 0; | |
3736 | unsigned int i; | |
3737 | ||
3738 | dprintk(KERN_DEBUG "bttv: open minor=%d\n",minor); | |
3739 | ||
3740 | for (i = 0; i < bttv_num; i++) { | |
3741 | if (bttvs[i].video_dev && | |
3742 | bttvs[i].video_dev->minor == minor) { | |
3743 | btv = &bttvs[i]; | |
3744 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
3745 | break; | |
3746 | } | |
3747 | if (bttvs[i].vbi_dev && | |
3748 | bttvs[i].vbi_dev->minor == minor) { | |
3749 | btv = &bttvs[i]; | |
3750 | type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
3751 | break; | |
3752 | } | |
3753 | } | |
3754 | if (NULL == btv) | |
3755 | return -ENODEV; | |
3756 | ||
3757 | dprintk(KERN_DEBUG "bttv%d: open called (type=%s)\n", | |
3758 | btv->c.nr,v4l2_type_names[type]); | |
3759 | ||
3760 | /* allocate per filehandle data */ | |
3761 | fh = kmalloc(sizeof(*fh),GFP_KERNEL); | |
3762 | if (NULL == fh) | |
3763 | return -ENOMEM; | |
3764 | file->private_data = fh; | |
3765 | *fh = btv->init; | |
3766 | fh->type = type; | |
3767 | fh->ov.setup_ok = 0; | |
3768 | v4l2_prio_open(&btv->prio,&fh->prio); | |
3769 | ||
c1accaa2 | 3770 | videobuf_queue_pci_init(&fh->cap, &bttv_video_qops, |
1da177e4 LT |
3771 | btv->c.pci, &btv->s_lock, |
3772 | V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
3773 | V4L2_FIELD_INTERLACED, | |
3774 | sizeof(struct bttv_buffer), | |
3775 | fh); | |
c1accaa2 | 3776 | videobuf_queue_pci_init(&fh->vbi, &bttv_vbi_qops, |
1da177e4 LT |
3777 | btv->c.pci, &btv->s_lock, |
3778 | V4L2_BUF_TYPE_VBI_CAPTURE, | |
3779 | V4L2_FIELD_SEQ_TB, | |
3780 | sizeof(struct bttv_buffer), | |
3781 | fh); | |
3782 | i2c_vidiocschan(btv); | |
3783 | ||
3784 | btv->users++; | |
e5bd0260 MS |
3785 | |
3786 | /* The V4L2 spec requires one global set of cropping parameters | |
3787 | which only change on request. These are stored in btv->crop[1]. | |
3788 | However for compatibility with V4L apps and cropping unaware | |
3789 | V4L2 apps we now reset the cropping parameters as seen through | |
3790 | this fh, which is to say VIDIOC_G_CROP and scaling limit checks | |
3791 | will use btv->crop[0], the default cropping parameters for the | |
3792 | current video standard, and VIDIOC_S_FMT will not implicitely | |
3793 | change the cropping parameters until VIDIOC_S_CROP has been | |
3794 | called. */ | |
3795 | fh->do_crop = !reset_crop; /* module parameter */ | |
3796 | ||
3797 | /* Likewise there should be one global set of VBI capture | |
3798 | parameters, but for compatibility with V4L apps and earlier | |
3799 | driver versions each fh has its own parameters. */ | |
3800 | bttv_vbi_fmt_reset(&fh->vbi_fmt, btv->tvnorm); | |
3801 | ||
1da177e4 LT |
3802 | bttv_field_count(btv); |
3803 | return 0; | |
3804 | } | |
3805 | ||
3806 | static int bttv_release(struct inode *inode, struct file *file) | |
3807 | { | |
3808 | struct bttv_fh *fh = file->private_data; | |
3809 | struct bttv *btv = fh->btv; | |
3810 | ||
3811 | /* turn off overlay */ | |
3812 | if (check_btres(fh, RESOURCE_OVERLAY)) | |
3813 | bttv_switch_overlay(btv,fh,NULL); | |
3814 | ||
3815 | /* stop video capture */ | |
e5bd0260 | 3816 | if (check_btres(fh, RESOURCE_VIDEO_STREAM)) { |
1da177e4 | 3817 | videobuf_streamoff(&fh->cap); |
e5bd0260 | 3818 | free_btres(btv,fh,RESOURCE_VIDEO_STREAM); |
1da177e4 LT |
3819 | } |
3820 | if (fh->cap.read_buf) { | |
3821 | buffer_release(&fh->cap,fh->cap.read_buf); | |
3822 | kfree(fh->cap.read_buf); | |
3823 | } | |
e5bd0260 MS |
3824 | if (check_btres(fh, RESOURCE_VIDEO_READ)) { |
3825 | free_btres(btv, fh, RESOURCE_VIDEO_READ); | |
3826 | } | |
1da177e4 LT |
3827 | |
3828 | /* stop vbi capture */ | |
3829 | if (check_btres(fh, RESOURCE_VBI)) { | |
3830 | if (fh->vbi.streaming) | |
3831 | videobuf_streamoff(&fh->vbi); | |
3832 | if (fh->vbi.reading) | |
3833 | videobuf_read_stop(&fh->vbi); | |
3834 | free_btres(btv,fh,RESOURCE_VBI); | |
3835 | } | |
3836 | ||
3837 | /* free stuff */ | |
3838 | videobuf_mmap_free(&fh->cap); | |
3839 | videobuf_mmap_free(&fh->vbi); | |
3840 | v4l2_prio_close(&btv->prio,&fh->prio); | |
3841 | file->private_data = NULL; | |
3842 | kfree(fh); | |
3843 | ||
3844 | btv->users--; | |
3845 | bttv_field_count(btv); | |
3846 | return 0; | |
3847 | } | |
3848 | ||
3849 | static int | |
3850 | bttv_mmap(struct file *file, struct vm_area_struct *vma) | |
3851 | { | |
3852 | struct bttv_fh *fh = file->private_data; | |
3853 | ||
3854 | dprintk("bttv%d: mmap type=%s 0x%lx+%ld\n", | |
3855 | fh->btv->c.nr, v4l2_type_names[fh->type], | |
3856 | vma->vm_start, vma->vm_end - vma->vm_start); | |
3857 | return videobuf_mmap_mapper(bttv_queue(fh),vma); | |
3858 | } | |
3859 | ||
fa027c2a | 3860 | static const struct file_operations bttv_fops = |
1da177e4 LT |
3861 | { |
3862 | .owner = THIS_MODULE, | |
3863 | .open = bttv_open, | |
3864 | .release = bttv_release, | |
3865 | .ioctl = bttv_ioctl, | |
0d0fbf81 | 3866 | .compat_ioctl = v4l_compat_ioctl32, |
1da177e4 LT |
3867 | .llseek = no_llseek, |
3868 | .read = bttv_read, | |
3869 | .mmap = bttv_mmap, | |
3870 | .poll = bttv_poll, | |
3871 | }; | |
3872 | ||
3873 | static struct video_device bttv_video_template = | |
3874 | { | |
3875 | .name = "UNSET", | |
4dcef524 | 3876 | .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER| |
4ac97914 | 3877 | VID_TYPE_CLIPPING|VID_TYPE_SCALES, |
1da177e4 LT |
3878 | .fops = &bttv_fops, |
3879 | .minor = -1, | |
3880 | }; | |
3881 | ||
3882 | static struct video_device bttv_vbi_template = | |
3883 | { | |
3884 | .name = "bt848/878 vbi", | |
3885 | .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT, | |
1da177e4 LT |
3886 | .fops = &bttv_fops, |
3887 | .minor = -1, | |
3888 | }; | |
3889 | ||
3890 | /* ----------------------------------------------------------------------- */ | |
3891 | /* radio interface */ | |
3892 | ||
3893 | static int radio_open(struct inode *inode, struct file *file) | |
3894 | { | |
3895 | int minor = iminor(inode); | |
3896 | struct bttv *btv = NULL; | |
3897 | unsigned int i; | |
3898 | ||
3899 | dprintk("bttv: open minor=%d\n",minor); | |
3900 | ||
3901 | for (i = 0; i < bttv_num; i++) { | |
3902 | if (bttvs[i].radio_dev->minor == minor) { | |
3903 | btv = &bttvs[i]; | |
3904 | break; | |
3905 | } | |
3906 | } | |
3907 | if (NULL == btv) | |
3908 | return -ENODEV; | |
3909 | ||
3910 | dprintk("bttv%d: open called (radio)\n",btv->c.nr); | |
bd5f0ac9 | 3911 | mutex_lock(&btv->lock); |
24a70fdc | 3912 | |
1da177e4 | 3913 | btv->radio_user++; |
24a70fdc | 3914 | |
1da177e4 LT |
3915 | file->private_data = btv; |
3916 | ||
8bf2f8e7 HV |
3917 | bttv_call_i2c_clients(btv,AUDC_SET_RADIO,NULL); |
3918 | audio_input(btv,TVAUDIO_INPUT_RADIO); | |
1da177e4 | 3919 | |
bd5f0ac9 | 3920 | mutex_unlock(&btv->lock); |
4ac97914 | 3921 | return 0; |
1da177e4 LT |
3922 | } |
3923 | ||
3924 | static int radio_release(struct inode *inode, struct file *file) | |
3925 | { | |
24a70fdc MCC |
3926 | struct bttv *btv = file->private_data; |
3927 | struct rds_command cmd; | |
1da177e4 LT |
3928 | |
3929 | btv->radio_user--; | |
24a70fdc MCC |
3930 | |
3931 | bttv_call_i2c_clients(btv, RDS_CMD_CLOSE, &cmd); | |
3932 | ||
1da177e4 LT |
3933 | return 0; |
3934 | } | |
3935 | ||
3936 | static int radio_do_ioctl(struct inode *inode, struct file *file, | |
3937 | unsigned int cmd, void *arg) | |
3938 | { | |
3939 | struct bttv *btv = file->private_data; | |
3940 | ||
3941 | switch (cmd) { | |
3942 | case VIDIOCGCAP: | |
3943 | { | |
4ac97914 | 3944 | struct video_capability *cap = arg; |
1da177e4 LT |
3945 | |
3946 | memset(cap,0,sizeof(*cap)); | |
4ac97914 MCC |
3947 | strcpy(cap->name,btv->radio_dev->name); |
3948 | cap->type = VID_TYPE_TUNER; | |
1da177e4 LT |
3949 | cap->channels = 1; |
3950 | cap->audios = 1; | |
4ac97914 | 3951 | return 0; |
1da177e4 LT |
3952 | } |
3953 | ||
4ac97914 MCC |
3954 | case VIDIOCGTUNER: |
3955 | { | |
3956 | struct video_tuner *v = arg; | |
1da177e4 | 3957 | |
4ac97914 MCC |
3958 | if(v->tuner) |
3959 | return -EINVAL; | |
1da177e4 | 3960 | memset(v,0,sizeof(*v)); |
4ac97914 MCC |
3961 | strcpy(v->name, "Radio"); |
3962 | bttv_call_i2c_clients(btv,cmd,v); | |
3963 | return 0; | |
3964 | } | |
3965 | case VIDIOCSTUNER: | |
1da177e4 LT |
3966 | /* nothing to do */ |
3967 | return 0; | |
3968 | ||
3969 | case BTTV_VERSION: | |
4ac97914 MCC |
3970 | case VIDIOCGFREQ: |
3971 | case VIDIOCSFREQ: | |
1da177e4 LT |
3972 | case VIDIOCGAUDIO: |
3973 | case VIDIOCSAUDIO: | |
5af0c8f6 | 3974 | case VIDIOC_LOG_STATUS: |
55c0d100 TP |
3975 | case VIDIOC_DBG_G_REGISTER: |
3976 | case VIDIOC_DBG_S_REGISTER: | |
1da177e4 LT |
3977 | return bttv_common_ioctls(btv,cmd,arg); |
3978 | ||
3979 | default: | |
3980 | return -ENOIOCTLCMD; | |
3981 | } | |
3982 | return 0; | |
3983 | } | |
3984 | ||
3985 | static int radio_ioctl(struct inode *inode, struct file *file, | |
3986 | unsigned int cmd, unsigned long arg) | |
3987 | { | |
3988 | return video_usercopy(inode, file, cmd, arg, radio_do_ioctl); | |
3989 | } | |
3990 | ||
24a70fdc MCC |
3991 | static ssize_t radio_read(struct file *file, char __user *data, |
3992 | size_t count, loff_t *ppos) | |
3993 | { | |
3994 | struct bttv *btv = file->private_data; | |
3995 | struct rds_command cmd; | |
3996 | cmd.block_count = count/3; | |
3997 | cmd.buffer = data; | |
3998 | cmd.instance = file; | |
3999 | cmd.result = -ENODEV; | |
4000 | ||
4001 | bttv_call_i2c_clients(btv, RDS_CMD_READ, &cmd); | |
4002 | ||
4003 | return cmd.result; | |
4004 | } | |
4005 | ||
4006 | static unsigned int radio_poll(struct file *file, poll_table *wait) | |
4007 | { | |
4008 | struct bttv *btv = file->private_data; | |
4009 | struct rds_command cmd; | |
4010 | cmd.instance = file; | |
4011 | cmd.event_list = wait; | |
4012 | cmd.result = -ENODEV; | |
4013 | bttv_call_i2c_clients(btv, RDS_CMD_POLL, &cmd); | |
4014 | ||
4015 | return cmd.result; | |
4016 | } | |
4017 | ||
fa027c2a | 4018 | static const struct file_operations radio_fops = |
1da177e4 LT |
4019 | { |
4020 | .owner = THIS_MODULE, | |
4021 | .open = radio_open, | |
24a70fdc | 4022 | .read = radio_read, |
1da177e4 LT |
4023 | .release = radio_release, |
4024 | .ioctl = radio_ioctl, | |
4025 | .llseek = no_llseek, | |
24a70fdc | 4026 | .poll = radio_poll, |
1da177e4 LT |
4027 | }; |
4028 | ||
4029 | static struct video_device radio_template = | |
4030 | { | |
4031 | .name = "bt848/878 radio", | |
4032 | .type = VID_TYPE_TUNER, | |
1da177e4 LT |
4033 | .fops = &radio_fops, |
4034 | .minor = -1, | |
4035 | }; | |
4036 | ||
4037 | /* ----------------------------------------------------------------------- */ | |
4038 | /* some debug code */ | |
4039 | ||
408b664a | 4040 | static int bttv_risc_decode(u32 risc) |
1da177e4 LT |
4041 | { |
4042 | static char *instr[16] = { | |
4043 | [ BT848_RISC_WRITE >> 28 ] = "write", | |
4044 | [ BT848_RISC_SKIP >> 28 ] = "skip", | |
4045 | [ BT848_RISC_WRITEC >> 28 ] = "writec", | |
4046 | [ BT848_RISC_JUMP >> 28 ] = "jump", | |
4047 | [ BT848_RISC_SYNC >> 28 ] = "sync", | |
4048 | [ BT848_RISC_WRITE123 >> 28 ] = "write123", | |
4049 | [ BT848_RISC_SKIP123 >> 28 ] = "skip123", | |
4050 | [ BT848_RISC_WRITE1S23 >> 28 ] = "write1s23", | |
4051 | }; | |
4052 | static int incr[16] = { | |
4053 | [ BT848_RISC_WRITE >> 28 ] = 2, | |
4054 | [ BT848_RISC_JUMP >> 28 ] = 2, | |
4055 | [ BT848_RISC_SYNC >> 28 ] = 2, | |
4056 | [ BT848_RISC_WRITE123 >> 28 ] = 5, | |
4057 | [ BT848_RISC_SKIP123 >> 28 ] = 2, | |
4058 | [ BT848_RISC_WRITE1S23 >> 28 ] = 3, | |
4059 | }; | |
4060 | static char *bits[] = { | |
4061 | "be0", "be1", "be2", "be3/resync", | |
4062 | "set0", "set1", "set2", "set3", | |
4063 | "clr0", "clr1", "clr2", "clr3", | |
4064 | "irq", "res", "eol", "sol", | |
4065 | }; | |
4066 | int i; | |
4067 | ||
4068 | printk("0x%08x [ %s", risc, | |
4069 | instr[risc >> 28] ? instr[risc >> 28] : "INVALID"); | |
4070 | for (i = ARRAY_SIZE(bits)-1; i >= 0; i--) | |
4071 | if (risc & (1 << (i + 12))) | |
4072 | printk(" %s",bits[i]); | |
4073 | printk(" count=%d ]\n", risc & 0xfff); | |
4074 | return incr[risc >> 28] ? incr[risc >> 28] : 1; | |
4075 | } | |
4076 | ||
408b664a AB |
4077 | static void bttv_risc_disasm(struct bttv *btv, |
4078 | struct btcx_riscmem *risc) | |
1da177e4 LT |
4079 | { |
4080 | unsigned int i,j,n; | |
4081 | ||
4082 | printk("%s: risc disasm: %p [dma=0x%08lx]\n", | |
4083 | btv->c.name, risc->cpu, (unsigned long)risc->dma); | |
4084 | for (i = 0; i < (risc->size >> 2); i += n) { | |
4085 | printk("%s: 0x%lx: ", btv->c.name, | |
4086 | (unsigned long)(risc->dma + (i<<2))); | |
4087 | n = bttv_risc_decode(risc->cpu[i]); | |
4088 | for (j = 1; j < n; j++) | |
4089 | printk("%s: 0x%lx: 0x%08x [ arg #%d ]\n", | |
4090 | btv->c.name, (unsigned long)(risc->dma + ((i+j)<<2)), | |
4091 | risc->cpu[i+j], j); | |
4092 | if (0 == risc->cpu[i]) | |
4093 | break; | |
4094 | } | |
4095 | } | |
4096 | ||
4097 | static void bttv_print_riscaddr(struct bttv *btv) | |
4098 | { | |
4099 | printk(" main: %08Lx\n", | |
4100 | (unsigned long long)btv->main.dma); | |
4101 | printk(" vbi : o=%08Lx e=%08Lx\n", | |
4102 | btv->cvbi ? (unsigned long long)btv->cvbi->top.dma : 0, | |
4103 | btv->cvbi ? (unsigned long long)btv->cvbi->bottom.dma : 0); | |
4104 | printk(" cap : o=%08Lx e=%08Lx\n", | |
4105 | btv->curr.top ? (unsigned long long)btv->curr.top->top.dma : 0, | |
4106 | btv->curr.bottom ? (unsigned long long)btv->curr.bottom->bottom.dma : 0); | |
4107 | printk(" scr : o=%08Lx e=%08Lx\n", | |
4108 | btv->screen ? (unsigned long long)btv->screen->top.dma : 0, | |
4109 | btv->screen ? (unsigned long long)btv->screen->bottom.dma : 0); | |
4110 | bttv_risc_disasm(btv, &btv->main); | |
4111 | } | |
4112 | ||
4113 | /* ----------------------------------------------------------------------- */ | |
4114 | /* irq handler */ | |
4115 | ||
4116 | static char *irq_name[] = { | |
4117 | "FMTCHG", // format change detected (525 vs. 625) | |
4118 | "VSYNC", // vertical sync (new field) | |
4119 | "HSYNC", // horizontal sync | |
4120 | "OFLOW", // chroma/luma AGC overflow | |
4121 | "HLOCK", // horizontal lock changed | |
4122 | "VPRES", // video presence changed | |
4123 | "6", "7", | |
4124 | "I2CDONE", // hw irc operation finished | |
4125 | "GPINT", // gpio port triggered irq | |
4126 | "10", | |
4127 | "RISCI", // risc instruction triggered irq | |
4128 | "FBUS", // pixel data fifo dropped data (high pci bus latencies) | |
4129 | "FTRGT", // pixel data fifo overrun | |
4130 | "FDSR", // fifo data stream resyncronisation | |
4131 | "PPERR", // parity error (data transfer) | |
4132 | "RIPERR", // parity error (read risc instructions) | |
4133 | "PABORT", // pci abort | |
4134 | "OCERR", // risc instruction error | |
4135 | "SCERR", // syncronisation error | |
4136 | }; | |
4137 | ||
4138 | static void bttv_print_irqbits(u32 print, u32 mark) | |
4139 | { | |
4140 | unsigned int i; | |
4141 | ||
4142 | printk("bits:"); | |
4143 | for (i = 0; i < ARRAY_SIZE(irq_name); i++) { | |
4144 | if (print & (1 << i)) | |
4145 | printk(" %s",irq_name[i]); | |
4146 | if (mark & (1 << i)) | |
4147 | printk("*"); | |
4148 | } | |
4149 | } | |
4150 | ||
4151 | static void bttv_irq_debug_low_latency(struct bttv *btv, u32 rc) | |
4152 | { | |
4153 | printk("bttv%d: irq: skipped frame [main=%lx,o_vbi=%lx,o_field=%lx,rc=%lx]\n", | |
4154 | btv->c.nr, | |
4155 | (unsigned long)btv->main.dma, | |
4156 | (unsigned long)btv->main.cpu[RISC_SLOT_O_VBI+1], | |
4157 | (unsigned long)btv->main.cpu[RISC_SLOT_O_FIELD+1], | |
4158 | (unsigned long)rc); | |
4159 | ||
4160 | if (0 == (btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC)) { | |
4161 | printk("bttv%d: Oh, there (temporarely?) is no input signal. " | |
4162 | "Ok, then this is harmless, don't worry ;)\n", | |
4163 | btv->c.nr); | |
4164 | return; | |
4165 | } | |
4166 | printk("bttv%d: Uhm. Looks like we have unusual high IRQ latencies.\n", | |
4167 | btv->c.nr); | |
4168 | printk("bttv%d: Lets try to catch the culpit red-handed ...\n", | |
4169 | btv->c.nr); | |
4170 | dump_stack(); | |
4171 | } | |
4172 | ||
4173 | static int | |
4174 | bttv_irq_next_video(struct bttv *btv, struct bttv_buffer_set *set) | |
4175 | { | |
4176 | struct bttv_buffer *item; | |
4177 | ||
4178 | memset(set,0,sizeof(*set)); | |
4179 | ||
4180 | /* capture request ? */ | |
4181 | if (!list_empty(&btv->capture)) { | |
4182 | set->frame_irq = 1; | |
4183 | item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue); | |
4184 | if (V4L2_FIELD_HAS_TOP(item->vb.field)) | |
4185 | set->top = item; | |
4186 | if (V4L2_FIELD_HAS_BOTTOM(item->vb.field)) | |
4187 | set->bottom = item; | |
4188 | ||
4189 | /* capture request for other field ? */ | |
4190 | if (!V4L2_FIELD_HAS_BOTH(item->vb.field) && | |
4191 | (item->vb.queue.next != &btv->capture)) { | |
4192 | item = list_entry(item->vb.queue.next, struct bttv_buffer, vb.queue); | |
4193 | if (!V4L2_FIELD_HAS_BOTH(item->vb.field)) { | |
4194 | if (NULL == set->top && | |
4195 | V4L2_FIELD_TOP == item->vb.field) { | |
4196 | set->top = item; | |
4197 | } | |
4198 | if (NULL == set->bottom && | |
4199 | V4L2_FIELD_BOTTOM == item->vb.field) { | |
4200 | set->bottom = item; | |
4201 | } | |
4202 | if (NULL != set->top && NULL != set->bottom) | |
4203 | set->top_irq = 2; | |
4204 | } | |
4205 | } | |
4206 | } | |
4207 | ||
4208 | /* screen overlay ? */ | |
4209 | if (NULL != btv->screen) { | |
4210 | if (V4L2_FIELD_HAS_BOTH(btv->screen->vb.field)) { | |
4211 | if (NULL == set->top && NULL == set->bottom) { | |
4212 | set->top = btv->screen; | |
4213 | set->bottom = btv->screen; | |
4214 | } | |
4215 | } else { | |
4216 | if (V4L2_FIELD_TOP == btv->screen->vb.field && | |
4217 | NULL == set->top) { | |
4218 | set->top = btv->screen; | |
4219 | } | |
4220 | if (V4L2_FIELD_BOTTOM == btv->screen->vb.field && | |
4221 | NULL == set->bottom) { | |
4222 | set->bottom = btv->screen; | |
4223 | } | |
4224 | } | |
4225 | } | |
4226 | ||
4227 | dprintk("bttv%d: next set: top=%p bottom=%p [screen=%p,irq=%d,%d]\n", | |
4228 | btv->c.nr,set->top, set->bottom, | |
4229 | btv->screen,set->frame_irq,set->top_irq); | |
4230 | return 0; | |
4231 | } | |
4232 | ||
4233 | static void | |
4234 | bttv_irq_wakeup_video(struct bttv *btv, struct bttv_buffer_set *wakeup, | |
4235 | struct bttv_buffer_set *curr, unsigned int state) | |
4236 | { | |
4237 | struct timeval ts; | |
4238 | ||
4239 | do_gettimeofday(&ts); | |
4240 | ||
4241 | if (wakeup->top == wakeup->bottom) { | |
4242 | if (NULL != wakeup->top && curr->top != wakeup->top) { | |
4243 | if (irq_debug > 1) | |
4244 | printk("bttv%d: wakeup: both=%p\n",btv->c.nr,wakeup->top); | |
4245 | wakeup->top->vb.ts = ts; | |
4246 | wakeup->top->vb.field_count = btv->field_count; | |
4247 | wakeup->top->vb.state = state; | |
4248 | wake_up(&wakeup->top->vb.done); | |
4249 | } | |
4250 | } else { | |
4251 | if (NULL != wakeup->top && curr->top != wakeup->top) { | |
4252 | if (irq_debug > 1) | |
4253 | printk("bttv%d: wakeup: top=%p\n",btv->c.nr,wakeup->top); | |
4254 | wakeup->top->vb.ts = ts; | |
4255 | wakeup->top->vb.field_count = btv->field_count; | |
4256 | wakeup->top->vb.state = state; | |
4257 | wake_up(&wakeup->top->vb.done); | |
4258 | } | |
4259 | if (NULL != wakeup->bottom && curr->bottom != wakeup->bottom) { | |
4260 | if (irq_debug > 1) | |
4261 | printk("bttv%d: wakeup: bottom=%p\n",btv->c.nr,wakeup->bottom); | |
4262 | wakeup->bottom->vb.ts = ts; | |
4263 | wakeup->bottom->vb.field_count = btv->field_count; | |
4264 | wakeup->bottom->vb.state = state; | |
4265 | wake_up(&wakeup->bottom->vb.done); | |
4266 | } | |
4267 | } | |
4268 | } | |
4269 | ||
4270 | static void | |
4271 | bttv_irq_wakeup_vbi(struct bttv *btv, struct bttv_buffer *wakeup, | |
4272 | unsigned int state) | |
4273 | { | |
4274 | struct timeval ts; | |
4275 | ||
4276 | if (NULL == wakeup) | |
4277 | return; | |
4278 | ||
4279 | do_gettimeofday(&ts); | |
4280 | wakeup->vb.ts = ts; | |
4281 | wakeup->vb.field_count = btv->field_count; | |
4282 | wakeup->vb.state = state; | |
4283 | wake_up(&wakeup->vb.done); | |
4284 | } | |
4285 | ||
4286 | static void bttv_irq_timeout(unsigned long data) | |
4287 | { | |
4288 | struct bttv *btv = (struct bttv *)data; | |
4289 | struct bttv_buffer_set old,new; | |
4290 | struct bttv_buffer *ovbi; | |
4291 | struct bttv_buffer *item; | |
4292 | unsigned long flags; | |
4293 | ||
4294 | if (bttv_verbose) { | |
4295 | printk(KERN_INFO "bttv%d: timeout: drop=%d irq=%d/%d, risc=%08x, ", | |
4296 | btv->c.nr, btv->framedrop, btv->irq_me, btv->irq_total, | |
4297 | btread(BT848_RISC_COUNT)); | |
4298 | bttv_print_irqbits(btread(BT848_INT_STAT),0); | |
4299 | printk("\n"); | |
4300 | } | |
4301 | ||
4302 | spin_lock_irqsave(&btv->s_lock,flags); | |
4303 | ||
4304 | /* deactivate stuff */ | |
4305 | memset(&new,0,sizeof(new)); | |
4306 | old = btv->curr; | |
4307 | ovbi = btv->cvbi; | |
4308 | btv->curr = new; | |
4309 | btv->cvbi = NULL; | |
4310 | btv->loop_irq = 0; | |
4311 | bttv_buffer_activate_video(btv, &new); | |
4312 | bttv_buffer_activate_vbi(btv, NULL); | |
4313 | bttv_set_dma(btv, 0); | |
4314 | ||
4315 | /* wake up */ | |
4316 | bttv_irq_wakeup_video(btv, &old, &new, STATE_ERROR); | |
4317 | bttv_irq_wakeup_vbi(btv, ovbi, STATE_ERROR); | |
4318 | ||
4319 | /* cancel all outstanding capture / vbi requests */ | |
4320 | while (!list_empty(&btv->capture)) { | |
4321 | item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue); | |
4322 | list_del(&item->vb.queue); | |
4323 | item->vb.state = STATE_ERROR; | |
4324 | wake_up(&item->vb.done); | |
4325 | } | |
4326 | while (!list_empty(&btv->vcapture)) { | |
4327 | item = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue); | |
4328 | list_del(&item->vb.queue); | |
4329 | item->vb.state = STATE_ERROR; | |
4330 | wake_up(&item->vb.done); | |
4331 | } | |
4332 | ||
4333 | btv->errors++; | |
4334 | spin_unlock_irqrestore(&btv->s_lock,flags); | |
4335 | } | |
4336 | ||
4337 | static void | |
4338 | bttv_irq_wakeup_top(struct bttv *btv) | |
4339 | { | |
4340 | struct bttv_buffer *wakeup = btv->curr.top; | |
4341 | ||
4342 | if (NULL == wakeup) | |
4343 | return; | |
4344 | ||
4345 | spin_lock(&btv->s_lock); | |
4346 | btv->curr.top_irq = 0; | |
4347 | btv->curr.top = NULL; | |
4348 | bttv_risc_hook(btv, RISC_SLOT_O_FIELD, NULL, 0); | |
4349 | ||
4350 | do_gettimeofday(&wakeup->vb.ts); | |
4351 | wakeup->vb.field_count = btv->field_count; | |
4352 | wakeup->vb.state = STATE_DONE; | |
4353 | wake_up(&wakeup->vb.done); | |
4354 | spin_unlock(&btv->s_lock); | |
4355 | } | |
4356 | ||
4357 | static inline int is_active(struct btcx_riscmem *risc, u32 rc) | |
4358 | { | |
4359 | if (rc < risc->dma) | |
4360 | return 0; | |
4361 | if (rc > risc->dma + risc->size) | |
4362 | return 0; | |
4363 | return 1; | |
4364 | } | |
4365 | ||
4366 | static void | |
4367 | bttv_irq_switch_video(struct bttv *btv) | |
4368 | { | |
4369 | struct bttv_buffer_set new; | |
4370 | struct bttv_buffer_set old; | |
4371 | dma_addr_t rc; | |
4372 | ||
4373 | spin_lock(&btv->s_lock); | |
4374 | ||
4375 | /* new buffer set */ | |
4376 | bttv_irq_next_video(btv, &new); | |
4377 | rc = btread(BT848_RISC_COUNT); | |
4378 | if ((btv->curr.top && is_active(&btv->curr.top->top, rc)) || | |
4379 | (btv->curr.bottom && is_active(&btv->curr.bottom->bottom, rc))) { | |
4380 | btv->framedrop++; | |
4381 | if (debug_latency) | |
4382 | bttv_irq_debug_low_latency(btv, rc); | |
4383 | spin_unlock(&btv->s_lock); | |
4384 | return; | |
4385 | } | |
4386 | ||
4387 | /* switch over */ | |
4388 | old = btv->curr; | |
4389 | btv->curr = new; | |
4390 | btv->loop_irq &= ~1; | |
4391 | bttv_buffer_activate_video(btv, &new); | |
4392 | bttv_set_dma(btv, 0); | |
4393 | ||
4394 | /* switch input */ | |
4395 | if (UNSET != btv->new_input) { | |
4396 | video_mux(btv,btv->new_input); | |
4397 | btv->new_input = UNSET; | |
4398 | } | |
4399 | ||
4400 | /* wake up finished buffers */ | |
4401 | bttv_irq_wakeup_video(btv, &old, &new, STATE_DONE); | |
4402 | spin_unlock(&btv->s_lock); | |
4403 | } | |
4404 | ||
4405 | static void | |
4406 | bttv_irq_switch_vbi(struct bttv *btv) | |
4407 | { | |
4408 | struct bttv_buffer *new = NULL; | |
4409 | struct bttv_buffer *old; | |
4410 | u32 rc; | |
4411 | ||
4412 | spin_lock(&btv->s_lock); | |
4413 | ||
4414 | if (!list_empty(&btv->vcapture)) | |
4415 | new = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue); | |
4416 | old = btv->cvbi; | |
4417 | ||
4418 | rc = btread(BT848_RISC_COUNT); | |
4419 | if (NULL != old && (is_active(&old->top, rc) || | |
4420 | is_active(&old->bottom, rc))) { | |
4421 | btv->framedrop++; | |
4422 | if (debug_latency) | |
4423 | bttv_irq_debug_low_latency(btv, rc); | |
4424 | spin_unlock(&btv->s_lock); | |
4425 | return; | |
4426 | } | |
4427 | ||
4428 | /* switch */ | |
4429 | btv->cvbi = new; | |
4430 | btv->loop_irq &= ~4; | |
4431 | bttv_buffer_activate_vbi(btv, new); | |
4432 | bttv_set_dma(btv, 0); | |
4433 | ||
4434 | bttv_irq_wakeup_vbi(btv, old, STATE_DONE); | |
4435 | spin_unlock(&btv->s_lock); | |
4436 | } | |
4437 | ||
7d12e780 | 4438 | static irqreturn_t bttv_irq(int irq, void *dev_id) |
1da177e4 LT |
4439 | { |
4440 | u32 stat,astat; | |
4441 | u32 dstat; | |
4442 | int count; | |
4443 | struct bttv *btv; | |
4444 | int handled = 0; | |
4445 | ||
4446 | btv=(struct bttv *)dev_id; | |
6c6c0b2c | 4447 | |
4abdfed5 RC |
4448 | if (btv->custom_irq) |
4449 | handled = btv->custom_irq(btv); | |
6c6c0b2c | 4450 | |
1da177e4 LT |
4451 | count=0; |
4452 | while (1) { | |
4453 | /* get/clear interrupt status bits */ | |
4454 | stat=btread(BT848_INT_STAT); | |
4455 | astat=stat&btread(BT848_INT_MASK); | |
4456 | if (!astat) | |
4457 | break; | |
4458 | handled = 1; | |
4459 | btwrite(stat,BT848_INT_STAT); | |
4460 | ||
4461 | /* get device status bits */ | |
4462 | dstat=btread(BT848_DSTATUS); | |
4463 | ||
4464 | if (irq_debug) { | |
4465 | printk(KERN_DEBUG "bttv%d: irq loop=%d fc=%d " | |
4466 | "riscs=%x, riscc=%08x, ", | |
4467 | btv->c.nr, count, btv->field_count, | |
4468 | stat>>28, btread(BT848_RISC_COUNT)); | |
4469 | bttv_print_irqbits(stat,astat); | |
4470 | if (stat & BT848_INT_HLOCK) | |
4471 | printk(" HLOC => %s", (dstat & BT848_DSTATUS_HLOC) | |
4472 | ? "yes" : "no"); | |
4473 | if (stat & BT848_INT_VPRES) | |
4474 | printk(" PRES => %s", (dstat & BT848_DSTATUS_PRES) | |
4475 | ? "yes" : "no"); | |
4476 | if (stat & BT848_INT_FMTCHG) | |
4477 | printk(" NUML => %s", (dstat & BT848_DSTATUS_NUML) | |
4478 | ? "625" : "525"); | |
4479 | printk("\n"); | |
4480 | } | |
4481 | ||
4482 | if (astat&BT848_INT_VSYNC) | |
4ac97914 | 4483 | btv->field_count++; |
1da177e4 | 4484 | |
4abdfed5 | 4485 | if ((astat & BT848_INT_GPINT) && btv->remote) { |
1da177e4 | 4486 | wake_up(&btv->gpioq); |
4abdfed5 | 4487 | bttv_input_irq(btv); |
1da177e4 LT |
4488 | } |
4489 | ||
4490 | if (astat & BT848_INT_I2CDONE) { | |
4491 | btv->i2c_done = stat; | |
4492 | wake_up(&btv->i2c_queue); | |
4493 | } | |
4494 | ||
4ac97914 | 4495 | if ((astat & BT848_INT_RISCI) && (stat & (4<<28))) |
1da177e4 LT |
4496 | bttv_irq_switch_vbi(btv); |
4497 | ||
4ac97914 | 4498 | if ((astat & BT848_INT_RISCI) && (stat & (2<<28))) |
1da177e4 LT |
4499 | bttv_irq_wakeup_top(btv); |
4500 | ||
4ac97914 | 4501 | if ((astat & BT848_INT_RISCI) && (stat & (1<<28))) |
1da177e4 LT |
4502 | bttv_irq_switch_video(btv); |
4503 | ||
4504 | if ((astat & BT848_INT_HLOCK) && btv->opt_automute) | |
8bf2f8e7 | 4505 | audio_mute(btv, btv->mute); /* trigger automute */ |
1da177e4 LT |
4506 | |
4507 | if (astat & (BT848_INT_SCERR|BT848_INT_OCERR)) { | |
4508 | printk(KERN_INFO "bttv%d: %s%s @ %08x,",btv->c.nr, | |
4509 | (astat & BT848_INT_SCERR) ? "SCERR" : "", | |
4510 | (astat & BT848_INT_OCERR) ? "OCERR" : "", | |
4511 | btread(BT848_RISC_COUNT)); | |
4512 | bttv_print_irqbits(stat,astat); | |
4513 | printk("\n"); | |
4514 | if (bttv_debug) | |
4515 | bttv_print_riscaddr(btv); | |
4516 | } | |
4517 | if (fdsr && astat & BT848_INT_FDSR) { | |
4518 | printk(KERN_INFO "bttv%d: FDSR @ %08x\n", | |
4519 | btv->c.nr,btread(BT848_RISC_COUNT)); | |
4520 | if (bttv_debug) | |
4521 | bttv_print_riscaddr(btv); | |
4522 | } | |
4523 | ||
4524 | count++; | |
4525 | if (count > 4) { | |
c58c21c7 | 4526 | |
4527 | if (count > 8 || !(astat & BT848_INT_GPINT)) { | |
4ac97914 | 4528 | btwrite(0, BT848_INT_MASK); |
c58c21c7 | 4529 | |
4530 | printk(KERN_ERR | |
4531 | "bttv%d: IRQ lockup, cleared int mask [", btv->c.nr); | |
4532 | } else { | |
4533 | printk(KERN_ERR | |
4534 | "bttv%d: IRQ lockup, clearing GPINT from int mask [", btv->c.nr); | |
4535 | ||
4536 | btwrite(btread(BT848_INT_MASK) & (-1 ^ BT848_INT_GPINT), | |
4537 | BT848_INT_MASK); | |
4538 | }; | |
4539 | ||
1da177e4 | 4540 | bttv_print_irqbits(stat,astat); |
c58c21c7 | 4541 | |
1da177e4 LT |
4542 | printk("]\n"); |
4543 | } | |
4544 | } | |
4545 | btv->irq_total++; | |
4546 | if (handled) | |
4547 | btv->irq_me++; | |
4548 | return IRQ_RETVAL(handled); | |
4549 | } | |
4550 | ||
4551 | ||
4552 | /* ----------------------------------------------------------------------- */ | |
4553 | /* initialitation */ | |
4554 | ||
4555 | static struct video_device *vdev_init(struct bttv *btv, | |
4556 | struct video_device *template, | |
4557 | char *type) | |
4558 | { | |
4559 | struct video_device *vfd; | |
4560 | ||
4561 | vfd = video_device_alloc(); | |
4562 | if (NULL == vfd) | |
4563 | return NULL; | |
4564 | *vfd = *template; | |
4565 | vfd->minor = -1; | |
4566 | vfd->dev = &btv->c.pci->dev; | |
4567 | vfd->release = video_device_release; | |
4568 | snprintf(vfd->name, sizeof(vfd->name), "BT%d%s %s (%s)", | |
4569 | btv->id, (btv->id==848 && btv->revision==0x12) ? "A" : "", | |
4570 | type, bttv_tvcards[btv->c.type].name); | |
4571 | return vfd; | |
4572 | } | |
4573 | ||
4574 | static void bttv_unregister_video(struct bttv *btv) | |
4575 | { | |
4576 | if (btv->video_dev) { | |
4577 | if (-1 != btv->video_dev->minor) | |
4578 | video_unregister_device(btv->video_dev); | |
4579 | else | |
4580 | video_device_release(btv->video_dev); | |
4581 | btv->video_dev = NULL; | |
4582 | } | |
4583 | if (btv->vbi_dev) { | |
4584 | if (-1 != btv->vbi_dev->minor) | |
4585 | video_unregister_device(btv->vbi_dev); | |
4586 | else | |
4587 | video_device_release(btv->vbi_dev); | |
4588 | btv->vbi_dev = NULL; | |
4589 | } | |
4590 | if (btv->radio_dev) { | |
4591 | if (-1 != btv->radio_dev->minor) | |
4592 | video_unregister_device(btv->radio_dev); | |
4593 | else | |
4594 | video_device_release(btv->radio_dev); | |
4595 | btv->radio_dev = NULL; | |
4596 | } | |
4597 | } | |
4598 | ||
4599 | /* register video4linux devices */ | |
4600 | static int __devinit bttv_register_video(struct bttv *btv) | |
4601 | { | |
4dcef524 MCC |
4602 | if (no_overlay <= 0) { |
4603 | bttv_video_template.type |= VID_TYPE_OVERLAY; | |
4604 | } else { | |
4605 | printk("bttv: Overlay support disabled.\n"); | |
4606 | } | |
4607 | ||
1da177e4 LT |
4608 | /* video */ |
4609 | btv->video_dev = vdev_init(btv, &bttv_video_template, "video"); | |
4ac97914 | 4610 | if (NULL == btv->video_dev) |
1da177e4 LT |
4611 | goto err; |
4612 | if (video_register_device(btv->video_dev,VFL_TYPE_GRABBER,video_nr)<0) | |
4613 | goto err; | |
4614 | printk(KERN_INFO "bttv%d: registered device video%d\n", | |
4615 | btv->c.nr,btv->video_dev->minor & 0x1f); | |
54bd5b66 KS |
4616 | if (device_create_file(&btv->video_dev->class_dev, |
4617 | &dev_attr_card)<0) { | |
4618 | printk(KERN_ERR "bttv%d: device_create_file 'card' " | |
d94fc9a0 TP |
4619 | "failed\n", btv->c.nr); |
4620 | goto err; | |
4621 | } | |
1da177e4 LT |
4622 | |
4623 | /* vbi */ | |
4624 | btv->vbi_dev = vdev_init(btv, &bttv_vbi_template, "vbi"); | |
4ac97914 | 4625 | if (NULL == btv->vbi_dev) |
1da177e4 | 4626 | goto err; |
4ac97914 | 4627 | if (video_register_device(btv->vbi_dev,VFL_TYPE_VBI,vbi_nr)<0) |
1da177e4 LT |
4628 | goto err; |
4629 | printk(KERN_INFO "bttv%d: registered device vbi%d\n", | |
4630 | btv->c.nr,btv->vbi_dev->minor & 0x1f); | |
4631 | ||
4ac97914 | 4632 | if (!btv->has_radio) |
1da177e4 LT |
4633 | return 0; |
4634 | /* radio */ | |
4635 | btv->radio_dev = vdev_init(btv, &radio_template, "radio"); | |
4ac97914 | 4636 | if (NULL == btv->radio_dev) |
1da177e4 LT |
4637 | goto err; |
4638 | if (video_register_device(btv->radio_dev, VFL_TYPE_RADIO,radio_nr)<0) | |
4639 | goto err; | |
4640 | printk(KERN_INFO "bttv%d: registered device radio%d\n", | |
4641 | btv->c.nr,btv->radio_dev->minor & 0x1f); | |
4642 | ||
4643 | /* all done */ | |
4644 | return 0; | |
4645 | ||
4646 | err: | |
4647 | bttv_unregister_video(btv); | |
4648 | return -1; | |
4649 | } | |
4650 | ||
4651 | ||
4652 | /* on OpenFirmware machines (PowerMac at least), PCI memory cycle */ | |
4653 | /* response on cards with no firmware is not enabled by OF */ | |
4654 | static void pci_set_command(struct pci_dev *dev) | |
4655 | { | |
4656 | #if defined(__powerpc__) | |
4ac97914 | 4657 | unsigned int cmd; |
1da177e4 | 4658 | |
4ac97914 MCC |
4659 | pci_read_config_dword(dev, PCI_COMMAND, &cmd); |
4660 | cmd = (cmd | PCI_COMMAND_MEMORY ); | |
4661 | pci_write_config_dword(dev, PCI_COMMAND, cmd); | |
1da177e4 LT |
4662 | #endif |
4663 | } | |
4664 | ||
4665 | static int __devinit bttv_probe(struct pci_dev *dev, | |
4666 | const struct pci_device_id *pci_id) | |
4667 | { | |
4668 | int result; | |
4669 | unsigned char lat; | |
4670 | struct bttv *btv; | |
4671 | ||
4672 | if (bttv_num == BTTV_MAX) | |
4673 | return -ENOMEM; | |
4674 | printk(KERN_INFO "bttv: Bt8xx card found (%d).\n", bttv_num); | |
4ac97914 | 4675 | btv=&bttvs[bttv_num]; |
1da177e4 LT |
4676 | memset(btv,0,sizeof(*btv)); |
4677 | btv->c.nr = bttv_num; | |
4678 | sprintf(btv->c.name,"bttv%d",btv->c.nr); | |
4679 | ||
4680 | /* initialize structs / fill in defaults */ | |
bd5f0ac9 | 4681 | mutex_init(&btv->lock); |
4ac97914 MCC |
4682 | spin_lock_init(&btv->s_lock); |
4683 | spin_lock_init(&btv->gpio_lock); | |
4684 | init_waitqueue_head(&btv->gpioq); | |
4685 | init_waitqueue_head(&btv->i2c_queue); | |
4686 | INIT_LIST_HEAD(&btv->c.subs); | |
4687 | INIT_LIST_HEAD(&btv->capture); | |
4688 | INIT_LIST_HEAD(&btv->vcapture); | |
1da177e4 LT |
4689 | v4l2_prio_init(&btv->prio); |
4690 | ||
4691 | init_timer(&btv->timeout); | |
4692 | btv->timeout.function = bttv_irq_timeout; | |
4693 | btv->timeout.data = (unsigned long)btv; | |
4694 | ||
7c08fb02 MK |
4695 | btv->i2c_rc = -1; |
4696 | btv->tuner_type = UNSET; | |
1da177e4 | 4697 | btv->new_input = UNSET; |
1da177e4 LT |
4698 | btv->has_radio=radio[btv->c.nr]; |
4699 | ||
4700 | /* pci stuff (init, get irq/mmio, ... */ | |
4701 | btv->c.pci = dev; | |
7c08fb02 | 4702 | btv->id = dev->device; |
1da177e4 | 4703 | if (pci_enable_device(dev)) { |
7c08fb02 | 4704 | printk(KERN_WARNING "bttv%d: Can't enable device.\n", |
1da177e4 LT |
4705 | btv->c.nr); |
4706 | return -EIO; | |
4707 | } | |
4ac97914 MCC |
4708 | if (pci_set_dma_mask(dev, DMA_32BIT_MASK)) { |
4709 | printk(KERN_WARNING "bttv%d: No suitable DMA available.\n", | |
1da177e4 LT |
4710 | btv->c.nr); |
4711 | return -EIO; | |
4ac97914 | 4712 | } |
1da177e4 LT |
4713 | if (!request_mem_region(pci_resource_start(dev,0), |
4714 | pci_resource_len(dev,0), | |
4715 | btv->c.name)) { | |
228aef63 GKH |
4716 | printk(KERN_WARNING "bttv%d: can't request iomem (0x%llx).\n", |
4717 | btv->c.nr, | |
4718 | (unsigned long long)pci_resource_start(dev,0)); | |
1da177e4 LT |
4719 | return -EBUSY; |
4720 | } | |
4ac97914 | 4721 | pci_set_master(dev); |
1da177e4 LT |
4722 | pci_set_command(dev); |
4723 | pci_set_drvdata(dev,btv); | |
1da177e4 | 4724 | |
4ac97914 MCC |
4725 | pci_read_config_byte(dev, PCI_CLASS_REVISION, &btv->revision); |
4726 | pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); | |
4727 | printk(KERN_INFO "bttv%d: Bt%d (rev %d) at %s, ", | |
4728 | bttv_num,btv->id, btv->revision, pci_name(dev)); | |
228aef63 GKH |
4729 | printk("irq: %d, latency: %d, mmio: 0x%llx\n", |
4730 | btv->c.pci->irq, lat, | |
4731 | (unsigned long long)pci_resource_start(dev,0)); | |
1da177e4 LT |
4732 | schedule(); |
4733 | ||
5f1693fe AM |
4734 | btv->bt848_mmio = ioremap(pci_resource_start(dev, 0), 0x1000); |
4735 | if (NULL == btv->bt848_mmio) { | |
1da177e4 LT |
4736 | printk("bttv%d: ioremap() failed\n", btv->c.nr); |
4737 | result = -EIO; | |
4738 | goto fail1; | |
4739 | } | |
4740 | ||
4ac97914 | 4741 | /* identify card */ |
1da177e4 LT |
4742 | bttv_idcard(btv); |
4743 | ||
4ac97914 | 4744 | /* disable irqs, register irq handler */ |
1da177e4 | 4745 | btwrite(0, BT848_INT_MASK); |
4ac97914 | 4746 | result = request_irq(btv->c.pci->irq, bttv_irq, |
8076fe32 | 4747 | IRQF_SHARED | IRQF_DISABLED,btv->c.name,(void *)btv); |
4ac97914 MCC |
4748 | if (result < 0) { |
4749 | printk(KERN_ERR "bttv%d: can't get IRQ %d\n", | |
1da177e4 LT |
4750 | bttv_num,btv->c.pci->irq); |
4751 | goto fail1; | |
4ac97914 | 4752 | } |
1da177e4 LT |
4753 | |
4754 | if (0 != bttv_handle_chipset(btv)) { | |
4755 | result = -EIO; | |
4756 | goto fail2; | |
4ac97914 | 4757 | } |
1da177e4 LT |
4758 | |
4759 | /* init options from insmod args */ | |
4760 | btv->opt_combfilter = combfilter; | |
4761 | btv->opt_lumafilter = lumafilter; | |
4762 | btv->opt_automute = automute; | |
4763 | btv->opt_chroma_agc = chroma_agc; | |
4764 | btv->opt_adc_crush = adc_crush; | |
4765 | btv->opt_vcr_hack = vcr_hack; | |
4766 | btv->opt_whitecrush_upper = whitecrush_upper; | |
4767 | btv->opt_whitecrush_lower = whitecrush_lower; | |
060d3027 MCC |
4768 | btv->opt_uv_ratio = uv_ratio; |
4769 | btv->opt_full_luma_range = full_luma_range; | |
4770 | btv->opt_coring = coring; | |
1da177e4 LT |
4771 | |
4772 | /* fill struct bttv with some useful defaults */ | |
4773 | btv->init.btv = btv; | |
4774 | btv->init.ov.w.width = 320; | |
4775 | btv->init.ov.w.height = 240; | |
4776 | btv->init.fmt = format_by_palette(VIDEO_PALETTE_RGB24); | |
4777 | btv->init.width = 320; | |
4778 | btv->init.height = 240; | |
1da177e4 LT |
4779 | btv->input = 0; |
4780 | ||
4781 | /* initialize hardware */ | |
4ac97914 MCC |
4782 | if (bttv_gpio) |
4783 | bttv_gpio_tracking(btv,"pre-init"); | |
1da177e4 LT |
4784 | |
4785 | bttv_risc_init_main(btv); | |
4786 | init_bt848(btv); | |
4787 | ||
4788 | /* gpio */ | |
4ac97914 MCC |
4789 | btwrite(0x00, BT848_GPIO_REG_INP); |
4790 | btwrite(0x00, BT848_GPIO_OUT_EN); | |
4791 | if (bttv_verbose) | |
4792 | bttv_gpio_tracking(btv,"init"); | |
1da177e4 | 4793 | |
4ac97914 MCC |
4794 | /* needs to be done before i2c is registered */ |
4795 | bttv_init_card1(btv); | |
1da177e4 | 4796 | |
4ac97914 MCC |
4797 | /* register i2c + gpio */ |
4798 | init_bttv_i2c(btv); | |
1da177e4 | 4799 | |
4ac97914 MCC |
4800 | /* some card-specific stuff (needs working i2c) */ |
4801 | bttv_init_card2(btv); | |
1da177e4 LT |
4802 | init_irqreg(btv); |
4803 | ||
4ac97914 | 4804 | /* register video4linux + input */ |
1da177e4 LT |
4805 | if (!bttv_tvcards[btv->c.type].no_video) { |
4806 | bttv_register_video(btv); | |
4807 | bt848_bright(btv,32768); | |
4808 | bt848_contrast(btv,32768); | |
4809 | bt848_hue(btv,32768); | |
4810 | bt848_sat(btv,32768); | |
8bf2f8e7 | 4811 | audio_mute(btv, 1); |
333408f2 | 4812 | set_input(btv, 0, btv->tvnorm); |
e5bd0260 MS |
4813 | bttv_crop_reset(&btv->crop[0], btv->tvnorm); |
4814 | btv->crop[1] = btv->crop[0]; /* current = default */ | |
4815 | disclaim_vbi_lines(btv); | |
4816 | disclaim_video_lines(btv); | |
1da177e4 LT |
4817 | } |
4818 | ||
f992a497 JW |
4819 | /* add subdevices and autoload dvb-bt8xx if needed */ |
4820 | if (bttv_tvcards[btv->c.type].has_dvb) { | |
1da177e4 | 4821 | bttv_sub_add_device(&btv->c, "dvb"); |
f992a497 JW |
4822 | request_modules(btv); |
4823 | } | |
1da177e4 | 4824 | |
4abdfed5 RC |
4825 | bttv_input_init(btv); |
4826 | ||
1da177e4 LT |
4827 | /* everything is fine */ |
4828 | bttv_num++; | |
4ac97914 | 4829 | return 0; |
1da177e4 LT |
4830 | |
4831 | fail2: | |
4ac97914 | 4832 | free_irq(btv->c.pci->irq,btv); |
1da177e4 LT |
4833 | |
4834 | fail1: | |
4835 | if (btv->bt848_mmio) | |
4836 | iounmap(btv->bt848_mmio); | |
4837 | release_mem_region(pci_resource_start(btv->c.pci,0), | |
4838 | pci_resource_len(btv->c.pci,0)); | |
4839 | pci_set_drvdata(dev,NULL); | |
4840 | return result; | |
4841 | } | |
4842 | ||
4843 | static void __devexit bttv_remove(struct pci_dev *pci_dev) | |
4844 | { | |
4ac97914 | 4845 | struct bttv *btv = pci_get_drvdata(pci_dev); |
1da177e4 LT |
4846 | |
4847 | if (bttv_verbose) | |
4848 | printk("bttv%d: unloading\n",btv->c.nr); | |
4849 | ||
4ac97914 | 4850 | /* shutdown everything (DMA+IRQs) */ |
1da177e4 LT |
4851 | btand(~15, BT848_GPIO_DMA_CTL); |
4852 | btwrite(0, BT848_INT_MASK); | |
4853 | btwrite(~0x0, BT848_INT_STAT); | |
4854 | btwrite(0x0, BT848_GPIO_OUT_EN); | |
4855 | if (bttv_gpio) | |
4856 | bttv_gpio_tracking(btv,"cleanup"); | |
4857 | ||
4858 | /* tell gpio modules we are leaving ... */ | |
4859 | btv->shutdown=1; | |
4860 | wake_up(&btv->gpioq); | |
4abdfed5 | 4861 | bttv_input_fini(btv); |
889aee80 | 4862 | bttv_sub_del_devices(&btv->c); |
1da177e4 | 4863 | |
4ac97914 | 4864 | /* unregister i2c_bus + input */ |
1da177e4 LT |
4865 | fini_bttv_i2c(btv); |
4866 | ||
4867 | /* unregister video4linux */ | |
4868 | bttv_unregister_video(btv); | |
4869 | ||
4870 | /* free allocated memory */ | |
4871 | btcx_riscmem_free(btv->c.pci,&btv->main); | |
4872 | ||
4873 | /* free ressources */ | |
4ac97914 | 4874 | free_irq(btv->c.pci->irq,btv); |
1da177e4 | 4875 | iounmap(btv->bt848_mmio); |
4ac97914 MCC |
4876 | release_mem_region(pci_resource_start(btv->c.pci,0), |
4877 | pci_resource_len(btv->c.pci,0)); | |
1da177e4 LT |
4878 | |
4879 | pci_set_drvdata(pci_dev, NULL); | |
4ac97914 | 4880 | return; |
1da177e4 LT |
4881 | } |
4882 | ||
17bc98a4 | 4883 | #ifdef CONFIG_PM |
1da177e4 LT |
4884 | static int bttv_suspend(struct pci_dev *pci_dev, pm_message_t state) |
4885 | { | |
4ac97914 | 4886 | struct bttv *btv = pci_get_drvdata(pci_dev); |
1da177e4 LT |
4887 | struct bttv_buffer_set idle; |
4888 | unsigned long flags; | |
4889 | ||
0f97a931 | 4890 | dprintk("bttv%d: suspend %d\n", btv->c.nr, state.event); |
1da177e4 LT |
4891 | |
4892 | /* stop dma + irqs */ | |
4893 | spin_lock_irqsave(&btv->s_lock,flags); | |
4894 | memset(&idle, 0, sizeof(idle)); | |
4895 | btv->state.video = btv->curr; | |
4896 | btv->state.vbi = btv->cvbi; | |
4897 | btv->state.loop_irq = btv->loop_irq; | |
4898 | btv->curr = idle; | |
4899 | btv->loop_irq = 0; | |
4900 | bttv_buffer_activate_video(btv, &idle); | |
4901 | bttv_buffer_activate_vbi(btv, NULL); | |
4902 | bttv_set_dma(btv, 0); | |
4903 | btwrite(0, BT848_INT_MASK); | |
4904 | spin_unlock_irqrestore(&btv->s_lock,flags); | |
4905 | ||
4906 | /* save bt878 state */ | |
4907 | btv->state.gpio_enable = btread(BT848_GPIO_OUT_EN); | |
4908 | btv->state.gpio_data = gpio_read(); | |
4909 | ||
4910 | /* save pci state */ | |
4911 | pci_save_state(pci_dev); | |
4912 | if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { | |
4913 | pci_disable_device(pci_dev); | |
4914 | btv->state.disabled = 1; | |
4915 | } | |
4916 | return 0; | |
4917 | } | |
4918 | ||
4919 | static int bttv_resume(struct pci_dev *pci_dev) | |
4920 | { | |
4ac97914 | 4921 | struct bttv *btv = pci_get_drvdata(pci_dev); |
1da177e4 | 4922 | unsigned long flags; |
08adb9e2 | 4923 | int err; |
1da177e4 LT |
4924 | |
4925 | dprintk("bttv%d: resume\n", btv->c.nr); | |
4926 | ||
4927 | /* restore pci state */ | |
4928 | if (btv->state.disabled) { | |
08adb9e2 MCC |
4929 | err=pci_enable_device(pci_dev); |
4930 | if (err) { | |
4931 | printk(KERN_WARNING "bttv%d: Can't enable device.\n", | |
4932 | btv->c.nr); | |
4933 | return err; | |
4934 | } | |
1da177e4 LT |
4935 | btv->state.disabled = 0; |
4936 | } | |
08adb9e2 MCC |
4937 | err=pci_set_power_state(pci_dev, PCI_D0); |
4938 | if (err) { | |
4939 | pci_disable_device(pci_dev); | |
4940 | printk(KERN_WARNING "bttv%d: Can't enable device.\n", | |
4941 | btv->c.nr); | |
4942 | btv->state.disabled = 1; | |
4943 | return err; | |
4944 | } | |
4945 | ||
1da177e4 LT |
4946 | pci_restore_state(pci_dev); |
4947 | ||
4948 | /* restore bt878 state */ | |
4949 | bttv_reinit_bt848(btv); | |
4950 | gpio_inout(0xffffff, btv->state.gpio_enable); | |
4951 | gpio_write(btv->state.gpio_data); | |
4952 | ||
4953 | /* restart dma */ | |
4954 | spin_lock_irqsave(&btv->s_lock,flags); | |
4955 | btv->curr = btv->state.video; | |
4956 | btv->cvbi = btv->state.vbi; | |
4957 | btv->loop_irq = btv->state.loop_irq; | |
4958 | bttv_buffer_activate_video(btv, &btv->curr); | |
4959 | bttv_buffer_activate_vbi(btv, btv->cvbi); | |
4960 | bttv_set_dma(btv, 0); | |
4961 | spin_unlock_irqrestore(&btv->s_lock,flags); | |
4962 | return 0; | |
4963 | } | |
17bc98a4 | 4964 | #endif |
1da177e4 LT |
4965 | |
4966 | static struct pci_device_id bttv_pci_tbl[] = { | |
4ac97914 MCC |
4967 | {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT848, |
4968 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1da177e4 | 4969 | {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT849, |
4ac97914 | 4970 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
1da177e4 | 4971 | {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT878, |
4ac97914 | 4972 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
1da177e4 | 4973 | {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT879, |
4ac97914 MCC |
4974 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
4975 | {0,} | |
1da177e4 LT |
4976 | }; |
4977 | ||
4978 | MODULE_DEVICE_TABLE(pci, bttv_pci_tbl); | |
4979 | ||
4980 | static struct pci_driver bttv_pci_driver = { | |
4ac97914 MCC |
4981 | .name = "bttv", |
4982 | .id_table = bttv_pci_tbl, | |
4983 | .probe = bttv_probe, | |
4984 | .remove = __devexit_p(bttv_remove), | |
17bc98a4 | 4985 | #ifdef CONFIG_PM |
1da177e4 LT |
4986 | .suspend = bttv_suspend, |
4987 | .resume = bttv_resume, | |
17bc98a4 | 4988 | #endif |
1da177e4 LT |
4989 | }; |
4990 | ||
4991 | static int bttv_init_module(void) | |
4992 | { | |
c526e224 RD |
4993 | int ret; |
4994 | ||
1da177e4 LT |
4995 | bttv_num = 0; |
4996 | ||
4997 | printk(KERN_INFO "bttv: driver version %d.%d.%d loaded\n", | |
4998 | (BTTV_VERSION_CODE >> 16) & 0xff, | |
4999 | (BTTV_VERSION_CODE >> 8) & 0xff, | |
5000 | BTTV_VERSION_CODE & 0xff); | |
5001 | #ifdef SNAPSHOT | |
5002 | printk(KERN_INFO "bttv: snapshot date %04d-%02d-%02d\n", | |
5003 | SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); | |
5004 | #endif | |
5005 | if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) | |
5006 | gbuffers = 2; | |
5007 | if (gbufsize < 0 || gbufsize > BTTV_MAX_FBUF) | |
5008 | gbufsize = BTTV_MAX_FBUF; | |
5009 | gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; | |
5010 | if (bttv_verbose) | |
5011 | printk(KERN_INFO "bttv: using %d buffers with %dk (%d pages) each for capture\n", | |
5012 | gbuffers, gbufsize >> 10, gbufsize >> PAGE_SHIFT); | |
5013 | ||
5014 | bttv_check_chipset(); | |
5015 | ||
c526e224 RD |
5016 | ret = bus_register(&bttv_sub_bus_type); |
5017 | if (ret < 0) { | |
5018 | printk(KERN_WARNING "bttv: bus_register error: %d\n", ret); | |
5019 | return ret; | |
5020 | } | |
2304759d | 5021 | return pci_register_driver(&bttv_pci_driver); |
1da177e4 LT |
5022 | } |
5023 | ||
5024 | static void bttv_cleanup_module(void) | |
5025 | { | |
5026 | pci_unregister_driver(&bttv_pci_driver); | |
5027 | bus_unregister(&bttv_sub_bus_type); | |
5028 | return; | |
5029 | } | |
5030 | ||
5031 | module_init(bttv_init_module); | |
5032 | module_exit(bttv_cleanup_module); | |
5033 | ||
5034 | /* | |
5035 | * Local variables: | |
5036 | * c-basic-offset: 8 | |
5037 | * End: | |
5038 | */ |