diff options
Diffstat (limited to 'drivers/media/video/gspca/pac7302.c')
-rw-r--r-- | drivers/media/video/gspca/pac7302.c | 1233 |
1 files changed, 1233 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/pac7302.c b/drivers/media/video/gspca/pac7302.c new file mode 100644 index 00000000000..5615d7bd830 --- /dev/null +++ b/drivers/media/video/gspca/pac7302.c | |||
@@ -0,0 +1,1233 @@ | |||
1 | /* | ||
2 | * Pixart PAC7302 library | ||
3 | * Copyright (C) 2005 Thomas Kaiser thomas@kaiser-linux.li | ||
4 | * | ||
5 | * V4L2 by Jean-Francois Moine <http://moinejf.free.fr> | ||
6 | * | ||
7 | * Separated from Pixart PAC7311 library by Márton Németh | ||
8 | * Camera button input handling by Márton Németh <nm127@freemail.hu> | ||
9 | * Copyright (C) 2009-2010 Márton Németh <nm127@freemail.hu> | ||
10 | * | ||
11 | * This program is free software; you can redistribute it and/or modify | ||
12 | * it under the terms of the GNU General Public License as published by | ||
13 | * the Free Software Foundation; either version 2 of the License, or | ||
14 | * any later version. | ||
15 | * | ||
16 | * This program is distributed in the hope that it will be useful, | ||
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
19 | * GNU General Public License for more details. | ||
20 | * | ||
21 | * You should have received a copy of the GNU General Public License | ||
22 | * along with this program; if not, write to the Free Software | ||
23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
24 | */ | ||
25 | |||
26 | /* Some documentation about various registers as determined by trial and error. | ||
27 | |||
28 | Register page 1: | ||
29 | |||
30 | Address Description | ||
31 | 0x78 Global control, bit 6 controls the LED (inverted) | ||
32 | |||
33 | Register page 3: | ||
34 | |||
35 | Address Description | ||
36 | 0x02 Clock divider 3-63, fps = 90 / val. Must be a multiple of 3 on | ||
37 | the 7302, so one of 3, 6, 9, ..., except when between 6 and 12? | ||
38 | 0x03 Variable framerate ctrl reg2==3: 0 -> ~30 fps, 255 -> ~22fps | ||
39 | 0x04 Another var framerate ctrl reg2==3, reg3==0: 0 -> ~30 fps, | ||
40 | 63 -> ~27 fps, the 2 msb's must always be 1 !! | ||
41 | 0x05 Another var framerate ctrl reg2==3, reg3==0, reg4==0xc0: | ||
42 | 1 -> ~30 fps, 2 -> ~20 fps | ||
43 | 0x0e Exposure bits 0-7, 0-448, 0 = use full frame time | ||
44 | 0x0f Exposure bit 8, 0-448, 448 = no exposure at all | ||
45 | 0x10 Master gain 0-31 | ||
46 | 0x21 Bitfield: 0-1 unused, 2-3 vflip/hflip, 4-5 unknown, 6-7 unused | ||
47 | |||
48 | The registers are accessed in the following functions: | ||
49 | |||
50 | Page | Register | Function | ||
51 | -----+------------+--------------------------------------------------- | ||
52 | 0 | 0x0f..0x20 | setcolors() | ||
53 | 0 | 0xa2..0xab | setbrightcont() | ||
54 | 0 | 0xc5 | setredbalance() | ||
55 | 0 | 0xc6 | setwhitebalance() | ||
56 | 0 | 0xc7 | setbluebalance() | ||
57 | 0 | 0xdc | setbrightcont(), setcolors() | ||
58 | 3 | 0x02 | setexposure() | ||
59 | 3 | 0x10 | setgain() | ||
60 | 3 | 0x11 | setcolors(), setgain(), setexposure(), sethvflip() | ||
61 | 3 | 0x21 | sethvflip() | ||
62 | */ | ||
63 | |||
64 | #define MODULE_NAME "pac7302" | ||
65 | |||
66 | #include <linux/input.h> | ||
67 | #include <media/v4l2-chip-ident.h> | ||
68 | #include "gspca.h" | ||
69 | |||
70 | MODULE_AUTHOR("Thomas Kaiser thomas@kaiser-linux.li"); | ||
71 | MODULE_DESCRIPTION("Pixart PAC7302"); | ||
72 | MODULE_LICENSE("GPL"); | ||
73 | |||
74 | /* specific webcam descriptor for pac7302 */ | ||
75 | struct sd { | ||
76 | struct gspca_dev gspca_dev; /* !! must be the first item */ | ||
77 | |||
78 | unsigned char brightness; | ||
79 | unsigned char contrast; | ||
80 | unsigned char colors; | ||
81 | unsigned char white_balance; | ||
82 | unsigned char red_balance; | ||
83 | unsigned char blue_balance; | ||
84 | unsigned char gain; | ||
85 | unsigned char autogain; | ||
86 | unsigned short exposure; | ||
87 | __u8 hflip; | ||
88 | __u8 vflip; | ||
89 | u8 flags; | ||
90 | #define FL_HFLIP 0x01 /* mirrored by default */ | ||
91 | #define FL_VFLIP 0x02 /* vertical flipped by default */ | ||
92 | |||
93 | u8 sof_read; | ||
94 | u8 autogain_ignore_frames; | ||
95 | |||
96 | atomic_t avg_lum; | ||
97 | }; | ||
98 | |||
99 | /* V4L2 controls supported by the driver */ | ||
100 | static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val); | ||
101 | static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val); | ||
102 | static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val); | ||
103 | static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val); | ||
104 | static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val); | ||
105 | static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val); | ||
106 | static int sd_setwhitebalance(struct gspca_dev *gspca_dev, __s32 val); | ||
107 | static int sd_getwhitebalance(struct gspca_dev *gspca_dev, __s32 *val); | ||
108 | static int sd_setredbalance(struct gspca_dev *gspca_dev, __s32 val); | ||
109 | static int sd_getredbalance(struct gspca_dev *gspca_dev, __s32 *val); | ||
110 | static int sd_setbluebalance(struct gspca_dev *gspca_dev, __s32 val); | ||
111 | static int sd_getbluebalance(struct gspca_dev *gspca_dev, __s32 *val); | ||
112 | static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val); | ||
113 | static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val); | ||
114 | static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val); | ||
115 | static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val); | ||
116 | static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val); | ||
117 | static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val); | ||
118 | static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val); | ||
119 | static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val); | ||
120 | static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val); | ||
121 | static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val); | ||
122 | |||
123 | static const struct ctrl sd_ctrls[] = { | ||
124 | { | ||
125 | { | ||
126 | .id = V4L2_CID_BRIGHTNESS, | ||
127 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
128 | .name = "Brightness", | ||
129 | .minimum = 0, | ||
130 | #define BRIGHTNESS_MAX 0x20 | ||
131 | .maximum = BRIGHTNESS_MAX, | ||
132 | .step = 1, | ||
133 | #define BRIGHTNESS_DEF 0x10 | ||
134 | .default_value = BRIGHTNESS_DEF, | ||
135 | }, | ||
136 | .set = sd_setbrightness, | ||
137 | .get = sd_getbrightness, | ||
138 | }, | ||
139 | { | ||
140 | { | ||
141 | .id = V4L2_CID_CONTRAST, | ||
142 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
143 | .name = "Contrast", | ||
144 | .minimum = 0, | ||
145 | #define CONTRAST_MAX 255 | ||
146 | .maximum = CONTRAST_MAX, | ||
147 | .step = 1, | ||
148 | #define CONTRAST_DEF 127 | ||
149 | .default_value = CONTRAST_DEF, | ||
150 | }, | ||
151 | .set = sd_setcontrast, | ||
152 | .get = sd_getcontrast, | ||
153 | }, | ||
154 | { | ||
155 | { | ||
156 | .id = V4L2_CID_SATURATION, | ||
157 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
158 | .name = "Saturation", | ||
159 | .minimum = 0, | ||
160 | #define COLOR_MAX 255 | ||
161 | .maximum = COLOR_MAX, | ||
162 | .step = 1, | ||
163 | #define COLOR_DEF 127 | ||
164 | .default_value = COLOR_DEF, | ||
165 | }, | ||
166 | .set = sd_setcolors, | ||
167 | .get = sd_getcolors, | ||
168 | }, | ||
169 | { | ||
170 | { | ||
171 | .id = V4L2_CID_WHITE_BALANCE_TEMPERATURE, | ||
172 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
173 | .name = "White Balance", | ||
174 | .minimum = 0, | ||
175 | .maximum = 255, | ||
176 | .step = 1, | ||
177 | #define WHITEBALANCE_DEF 4 | ||
178 | .default_value = WHITEBALANCE_DEF, | ||
179 | }, | ||
180 | .set = sd_setwhitebalance, | ||
181 | .get = sd_getwhitebalance, | ||
182 | }, | ||
183 | { | ||
184 | { | ||
185 | .id = V4L2_CID_RED_BALANCE, | ||
186 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
187 | .name = "Red", | ||
188 | .minimum = 0, | ||
189 | .maximum = 3, | ||
190 | .step = 1, | ||
191 | #define REDBALANCE_DEF 1 | ||
192 | .default_value = REDBALANCE_DEF, | ||
193 | }, | ||
194 | .set = sd_setredbalance, | ||
195 | .get = sd_getredbalance, | ||
196 | }, | ||
197 | { | ||
198 | { | ||
199 | .id = V4L2_CID_BLUE_BALANCE, | ||
200 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
201 | .name = "Blue", | ||
202 | .minimum = 0, | ||
203 | .maximum = 3, | ||
204 | .step = 1, | ||
205 | #define BLUEBALANCE_DEF 1 | ||
206 | .default_value = BLUEBALANCE_DEF, | ||
207 | }, | ||
208 | .set = sd_setbluebalance, | ||
209 | .get = sd_getbluebalance, | ||
210 | }, | ||
211 | { | ||
212 | { | ||
213 | .id = V4L2_CID_GAIN, | ||
214 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
215 | .name = "Gain", | ||
216 | .minimum = 0, | ||
217 | #define GAIN_MAX 255 | ||
218 | .maximum = GAIN_MAX, | ||
219 | .step = 1, | ||
220 | #define GAIN_DEF 127 | ||
221 | #define GAIN_KNEE 255 /* Gain seems to cause little noise on the pac73xx */ | ||
222 | .default_value = GAIN_DEF, | ||
223 | }, | ||
224 | .set = sd_setgain, | ||
225 | .get = sd_getgain, | ||
226 | }, | ||
227 | { | ||
228 | { | ||
229 | .id = V4L2_CID_EXPOSURE, | ||
230 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
231 | .name = "Exposure", | ||
232 | .minimum = 0, | ||
233 | .maximum = 1023, | ||
234 | .step = 1, | ||
235 | #define EXPOSURE_DEF 66 /* 33 ms / 30 fps */ | ||
236 | #define EXPOSURE_KNEE 133 /* 66 ms / 15 fps */ | ||
237 | .default_value = EXPOSURE_DEF, | ||
238 | }, | ||
239 | .set = sd_setexposure, | ||
240 | .get = sd_getexposure, | ||
241 | }, | ||
242 | { | ||
243 | { | ||
244 | .id = V4L2_CID_AUTOGAIN, | ||
245 | .type = V4L2_CTRL_TYPE_BOOLEAN, | ||
246 | .name = "Auto Gain", | ||
247 | .minimum = 0, | ||
248 | .maximum = 1, | ||
249 | .step = 1, | ||
250 | #define AUTOGAIN_DEF 1 | ||
251 | .default_value = AUTOGAIN_DEF, | ||
252 | }, | ||
253 | .set = sd_setautogain, | ||
254 | .get = sd_getautogain, | ||
255 | }, | ||
256 | { | ||
257 | { | ||
258 | .id = V4L2_CID_HFLIP, | ||
259 | .type = V4L2_CTRL_TYPE_BOOLEAN, | ||
260 | .name = "Mirror", | ||
261 | .minimum = 0, | ||
262 | .maximum = 1, | ||
263 | .step = 1, | ||
264 | #define HFLIP_DEF 0 | ||
265 | .default_value = HFLIP_DEF, | ||
266 | }, | ||
267 | .set = sd_sethflip, | ||
268 | .get = sd_gethflip, | ||
269 | }, | ||
270 | { | ||
271 | { | ||
272 | .id = V4L2_CID_VFLIP, | ||
273 | .type = V4L2_CTRL_TYPE_BOOLEAN, | ||
274 | .name = "Vflip", | ||
275 | .minimum = 0, | ||
276 | .maximum = 1, | ||
277 | .step = 1, | ||
278 | #define VFLIP_DEF 0 | ||
279 | .default_value = VFLIP_DEF, | ||
280 | }, | ||
281 | .set = sd_setvflip, | ||
282 | .get = sd_getvflip, | ||
283 | }, | ||
284 | }; | ||
285 | |||
286 | static const struct v4l2_pix_format vga_mode[] = { | ||
287 | {640, 480, V4L2_PIX_FMT_PJPG, V4L2_FIELD_NONE, | ||
288 | .bytesperline = 640, | ||
289 | .sizeimage = 640 * 480 * 3 / 8 + 590, | ||
290 | .colorspace = V4L2_COLORSPACE_JPEG, | ||
291 | .priv = 0}, | ||
292 | }; | ||
293 | |||
294 | #define LOAD_PAGE3 255 | ||
295 | #define END_OF_SEQUENCE 0 | ||
296 | |||
297 | /* pac 7302 */ | ||
298 | static const __u8 init_7302[] = { | ||
299 | /* index,value */ | ||
300 | 0xff, 0x01, /* page 1 */ | ||
301 | 0x78, 0x00, /* deactivate */ | ||
302 | 0xff, 0x01, | ||
303 | 0x78, 0x40, /* led off */ | ||
304 | }; | ||
305 | static const __u8 start_7302[] = { | ||
306 | /* index, len, [value]* */ | ||
307 | 0xff, 1, 0x00, /* page 0 */ | ||
308 | 0x00, 12, 0x01, 0x40, 0x40, 0x40, 0x01, 0xe0, 0x02, 0x80, | ||
309 | 0x00, 0x00, 0x00, 0x00, | ||
310 | 0x0d, 24, 0x03, 0x01, 0x00, 0xb5, 0x07, 0xcb, 0x00, 0x00, | ||
311 | 0x07, 0xc8, 0x00, 0xea, 0x07, 0xcf, 0x07, 0xf7, | ||
312 | 0x07, 0x7e, 0x01, 0x0b, 0x00, 0x00, 0x00, 0x11, | ||
313 | 0x26, 2, 0xaa, 0xaa, | ||
314 | 0x2e, 1, 0x31, | ||
315 | 0x38, 1, 0x01, | ||
316 | 0x3a, 3, 0x14, 0xff, 0x5a, | ||
317 | 0x43, 11, 0x00, 0x0a, 0x18, 0x11, 0x01, 0x2c, 0x88, 0x11, | ||
318 | 0x00, 0x54, 0x11, | ||
319 | 0x55, 1, 0x00, | ||
320 | 0x62, 4, 0x10, 0x1e, 0x1e, 0x18, | ||
321 | 0x6b, 1, 0x00, | ||
322 | 0x6e, 3, 0x08, 0x06, 0x00, | ||
323 | 0x72, 3, 0x00, 0xff, 0x00, | ||
324 | 0x7d, 23, 0x01, 0x01, 0x58, 0x46, 0x50, 0x3c, 0x50, 0x3c, | ||
325 | 0x54, 0x46, 0x54, 0x56, 0x52, 0x50, 0x52, 0x50, | ||
326 | 0x56, 0x64, 0xa4, 0x00, 0xda, 0x00, 0x00, | ||
327 | 0xa2, 10, 0x22, 0x2c, 0x3c, 0x54, 0x69, 0x7c, 0x9c, 0xb9, | ||
328 | 0xd2, 0xeb, | ||
329 | 0xaf, 1, 0x02, | ||
330 | 0xb5, 2, 0x08, 0x08, | ||
331 | 0xb8, 2, 0x08, 0x88, | ||
332 | 0xc4, 4, 0xae, 0x01, 0x04, 0x01, | ||
333 | 0xcc, 1, 0x00, | ||
334 | 0xd1, 11, 0x01, 0x30, 0x49, 0x5e, 0x6f, 0x7f, 0x8e, 0xa9, | ||
335 | 0xc1, 0xd7, 0xec, | ||
336 | 0xdc, 1, 0x01, | ||
337 | 0xff, 1, 0x01, /* page 1 */ | ||
338 | 0x12, 3, 0x02, 0x00, 0x01, | ||
339 | 0x3e, 2, 0x00, 0x00, | ||
340 | 0x76, 5, 0x01, 0x20, 0x40, 0x00, 0xf2, | ||
341 | 0x7c, 1, 0x00, | ||
342 | 0x7f, 10, 0x4b, 0x0f, 0x01, 0x2c, 0x02, 0x58, 0x03, 0x20, | ||
343 | 0x02, 0x00, | ||
344 | 0x96, 5, 0x01, 0x10, 0x04, 0x01, 0x04, | ||
345 | 0xc8, 14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, | ||
346 | 0x07, 0x00, 0x01, 0x07, 0x04, 0x01, | ||
347 | 0xd8, 1, 0x01, | ||
348 | 0xdb, 2, 0x00, 0x01, | ||
349 | 0xde, 7, 0x00, 0x01, 0x04, 0x04, 0x00, 0x00, 0x00, | ||
350 | 0xe6, 4, 0x00, 0x00, 0x00, 0x01, | ||
351 | 0xeb, 1, 0x00, | ||
352 | 0xff, 1, 0x02, /* page 2 */ | ||
353 | 0x22, 1, 0x00, | ||
354 | 0xff, 1, 0x03, /* page 3 */ | ||
355 | 0, LOAD_PAGE3, /* load the page 3 */ | ||
356 | 0x11, 1, 0x01, | ||
357 | 0xff, 1, 0x02, /* page 2 */ | ||
358 | 0x13, 1, 0x00, | ||
359 | 0x22, 4, 0x1f, 0xa4, 0xf0, 0x96, | ||
360 | 0x27, 2, 0x14, 0x0c, | ||
361 | 0x2a, 5, 0xc8, 0x00, 0x18, 0x12, 0x22, | ||
362 | 0x64, 8, 0x00, 0x00, 0xf0, 0x01, 0x14, 0x44, 0x44, 0x44, | ||
363 | 0x6e, 1, 0x08, | ||
364 | 0xff, 1, 0x01, /* page 1 */ | ||
365 | 0x78, 1, 0x00, | ||
366 | 0, END_OF_SEQUENCE /* end of sequence */ | ||
367 | }; | ||
368 | |||
369 | #define SKIP 0xaa | ||
370 | /* page 3 - the value SKIP says skip the index - see reg_w_page() */ | ||
371 | static const __u8 page3_7302[] = { | ||
372 | 0x90, 0x40, 0x03, 0x00, 0xc0, 0x01, 0x14, 0x16, | ||
373 | 0x14, 0x12, 0x00, 0x00, 0x00, 0x02, 0x33, 0x00, | ||
374 | 0x0f, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
375 | 0x00, 0x00, 0x00, 0x47, 0x01, 0xb3, 0x01, 0x00, | ||
376 | 0x00, 0x08, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x21, | ||
377 | 0x00, 0x00, 0x00, 0x54, 0xf4, 0x02, 0x52, 0x54, | ||
378 | 0xa4, 0xb8, 0xe0, 0x2a, 0xf6, 0x00, 0x00, 0x00, | ||
379 | 0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
380 | 0x00, 0xfc, 0x00, 0xf2, 0x1f, 0x04, 0x00, 0x00, | ||
381 | SKIP, 0x00, 0x00, 0xc0, 0xc0, 0x10, 0x00, 0x00, | ||
382 | 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
383 | 0x00, 0x40, 0xff, 0x03, 0x19, 0x00, 0x00, 0x00, | ||
384 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
385 | 0x00, 0x00, 0x00, 0x00, 0x00, 0xc8, 0xc8, 0xc8, | ||
386 | 0xc8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, | ||
387 | 0x08, 0x10, 0x24, 0x40, 0x00, 0x00, 0x00, 0x00, | ||
388 | 0x01, 0x00, 0x02, 0x47, 0x00, 0x00, 0x00, 0x00, | ||
389 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
390 | 0x00, 0x02, 0xfa, 0x00, 0x64, 0x5a, 0x28, 0x00, | ||
391 | 0x00 | ||
392 | }; | ||
393 | |||
394 | static void reg_w_buf(struct gspca_dev *gspca_dev, | ||
395 | __u8 index, | ||
396 | const u8 *buffer, int len) | ||
397 | { | ||
398 | int ret; | ||
399 | |||
400 | if (gspca_dev->usb_err < 0) | ||
401 | return; | ||
402 | memcpy(gspca_dev->usb_buf, buffer, len); | ||
403 | ret = usb_control_msg(gspca_dev->dev, | ||
404 | usb_sndctrlpipe(gspca_dev->dev, 0), | ||
405 | 0, /* request */ | ||
406 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | ||
407 | 0, /* value */ | ||
408 | index, gspca_dev->usb_buf, len, | ||
409 | 500); | ||
410 | if (ret < 0) { | ||
411 | err("reg_w_buf failed index 0x%02x, error %d", | ||
412 | index, ret); | ||
413 | gspca_dev->usb_err = ret; | ||
414 | } | ||
415 | } | ||
416 | |||
417 | |||
418 | static void reg_w(struct gspca_dev *gspca_dev, | ||
419 | __u8 index, | ||
420 | __u8 value) | ||
421 | { | ||
422 | int ret; | ||
423 | |||
424 | if (gspca_dev->usb_err < 0) | ||
425 | return; | ||
426 | gspca_dev->usb_buf[0] = value; | ||
427 | ret = usb_control_msg(gspca_dev->dev, | ||
428 | usb_sndctrlpipe(gspca_dev->dev, 0), | ||
429 | 0, /* request */ | ||
430 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | ||
431 | 0, index, gspca_dev->usb_buf, 1, | ||
432 | 500); | ||
433 | if (ret < 0) { | ||
434 | err("reg_w() failed index 0x%02x, value 0x%02x, error %d", | ||
435 | index, value, ret); | ||
436 | gspca_dev->usb_err = ret; | ||
437 | } | ||
438 | } | ||
439 | |||
440 | static void reg_w_seq(struct gspca_dev *gspca_dev, | ||
441 | const __u8 *seq, int len) | ||
442 | { | ||
443 | while (--len >= 0) { | ||
444 | reg_w(gspca_dev, seq[0], seq[1]); | ||
445 | seq += 2; | ||
446 | } | ||
447 | } | ||
448 | |||
449 | /* load the beginning of a page */ | ||
450 | static void reg_w_page(struct gspca_dev *gspca_dev, | ||
451 | const __u8 *page, int len) | ||
452 | { | ||
453 | int index; | ||
454 | int ret = 0; | ||
455 | |||
456 | if (gspca_dev->usb_err < 0) | ||
457 | return; | ||
458 | for (index = 0; index < len; index++) { | ||
459 | if (page[index] == SKIP) /* skip this index */ | ||
460 | continue; | ||
461 | gspca_dev->usb_buf[0] = page[index]; | ||
462 | ret = usb_control_msg(gspca_dev->dev, | ||
463 | usb_sndctrlpipe(gspca_dev->dev, 0), | ||
464 | 0, /* request */ | ||
465 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | ||
466 | 0, index, gspca_dev->usb_buf, 1, | ||
467 | 500); | ||
468 | if (ret < 0) { | ||
469 | err("reg_w_page() failed index 0x%02x, " | ||
470 | "value 0x%02x, error %d", | ||
471 | index, page[index], ret); | ||
472 | gspca_dev->usb_err = ret; | ||
473 | break; | ||
474 | } | ||
475 | } | ||
476 | } | ||
477 | |||
478 | /* output a variable sequence */ | ||
479 | static void reg_w_var(struct gspca_dev *gspca_dev, | ||
480 | const __u8 *seq, | ||
481 | const __u8 *page3, unsigned int page3_len) | ||
482 | { | ||
483 | int index, len; | ||
484 | |||
485 | for (;;) { | ||
486 | index = *seq++; | ||
487 | len = *seq++; | ||
488 | switch (len) { | ||
489 | case END_OF_SEQUENCE: | ||
490 | return; | ||
491 | case LOAD_PAGE3: | ||
492 | reg_w_page(gspca_dev, page3, page3_len); | ||
493 | break; | ||
494 | default: | ||
495 | if (len > USB_BUF_SZ) { | ||
496 | PDEBUG(D_ERR|D_STREAM, | ||
497 | "Incorrect variable sequence"); | ||
498 | return; | ||
499 | } | ||
500 | while (len > 0) { | ||
501 | if (len < 8) { | ||
502 | reg_w_buf(gspca_dev, | ||
503 | index, seq, len); | ||
504 | seq += len; | ||
505 | break; | ||
506 | } | ||
507 | reg_w_buf(gspca_dev, index, seq, 8); | ||
508 | seq += 8; | ||
509 | index += 8; | ||
510 | len -= 8; | ||
511 | } | ||
512 | } | ||
513 | } | ||
514 | /* not reached */ | ||
515 | } | ||
516 | |||
517 | /* this function is called at probe time for pac7302 */ | ||
518 | static int sd_config(struct gspca_dev *gspca_dev, | ||
519 | const struct usb_device_id *id) | ||
520 | { | ||
521 | struct sd *sd = (struct sd *) gspca_dev; | ||
522 | struct cam *cam; | ||
523 | |||
524 | cam = &gspca_dev->cam; | ||
525 | |||
526 | PDEBUG(D_CONF, "Find Sensor PAC7302"); | ||
527 | cam->cam_mode = vga_mode; /* only 640x480 */ | ||
528 | cam->nmodes = ARRAY_SIZE(vga_mode); | ||
529 | |||
530 | sd->brightness = BRIGHTNESS_DEF; | ||
531 | sd->contrast = CONTRAST_DEF; | ||
532 | sd->colors = COLOR_DEF; | ||
533 | sd->white_balance = WHITEBALANCE_DEF; | ||
534 | sd->red_balance = REDBALANCE_DEF; | ||
535 | sd->blue_balance = BLUEBALANCE_DEF; | ||
536 | sd->gain = GAIN_DEF; | ||
537 | sd->exposure = EXPOSURE_DEF; | ||
538 | sd->autogain = AUTOGAIN_DEF; | ||
539 | sd->hflip = HFLIP_DEF; | ||
540 | sd->vflip = VFLIP_DEF; | ||
541 | sd->flags = id->driver_info; | ||
542 | return 0; | ||
543 | } | ||
544 | |||
545 | /* This function is used by pac7302 only */ | ||
546 | static void setbrightcont(struct gspca_dev *gspca_dev) | ||
547 | { | ||
548 | struct sd *sd = (struct sd *) gspca_dev; | ||
549 | int i, v; | ||
550 | static const __u8 max[10] = | ||
551 | {0x29, 0x33, 0x42, 0x5a, 0x6e, 0x80, 0x9f, 0xbb, | ||
552 | 0xd4, 0xec}; | ||
553 | static const __u8 delta[10] = | ||
554 | {0x35, 0x33, 0x33, 0x2f, 0x2a, 0x25, 0x1e, 0x17, | ||
555 | 0x11, 0x0b}; | ||
556 | |||
557 | reg_w(gspca_dev, 0xff, 0x00); /* page 0 */ | ||
558 | for (i = 0; i < 10; i++) { | ||
559 | v = max[i]; | ||
560 | v += (sd->brightness - BRIGHTNESS_MAX) | ||
561 | * 150 / BRIGHTNESS_MAX; /* 200 ? */ | ||
562 | v -= delta[i] * sd->contrast / CONTRAST_MAX; | ||
563 | if (v < 0) | ||
564 | v = 0; | ||
565 | else if (v > 0xff) | ||
566 | v = 0xff; | ||
567 | reg_w(gspca_dev, 0xa2 + i, v); | ||
568 | } | ||
569 | reg_w(gspca_dev, 0xdc, 0x01); | ||
570 | } | ||
571 | |||
572 | /* This function is used by pac7302 only */ | ||
573 | static void setcolors(struct gspca_dev *gspca_dev) | ||
574 | { | ||
575 | struct sd *sd = (struct sd *) gspca_dev; | ||
576 | int i, v; | ||
577 | static const int a[9] = | ||
578 | {217, -212, 0, -101, 170, -67, -38, -315, 355}; | ||
579 | static const int b[9] = | ||
580 | {19, 106, 0, 19, 106, 1, 19, 106, 1}; | ||
581 | |||
582 | reg_w(gspca_dev, 0xff, 0x03); /* page 3 */ | ||
583 | reg_w(gspca_dev, 0x11, 0x01); | ||
584 | reg_w(gspca_dev, 0xff, 0x00); /* page 0 */ | ||
585 | for (i = 0; i < 9; i++) { | ||
586 | v = a[i] * sd->colors / COLOR_MAX + b[i]; | ||
587 | reg_w(gspca_dev, 0x0f + 2 * i, (v >> 8) & 0x07); | ||
588 | reg_w(gspca_dev, 0x0f + 2 * i + 1, v); | ||
589 | } | ||
590 | reg_w(gspca_dev, 0xdc, 0x01); | ||
591 | PDEBUG(D_CONF|D_STREAM, "color: %i", sd->colors); | ||
592 | } | ||
593 | |||
594 | static void setwhitebalance(struct gspca_dev *gspca_dev) | ||
595 | { | ||
596 | struct sd *sd = (struct sd *) gspca_dev; | ||
597 | |||
598 | reg_w(gspca_dev, 0xff, 0x00); /* page 0 */ | ||
599 | reg_w(gspca_dev, 0xc6, sd->white_balance); | ||
600 | |||
601 | reg_w(gspca_dev, 0xdc, 0x01); | ||
602 | PDEBUG(D_CONF|D_STREAM, "white_balance: %i", sd->white_balance); | ||
603 | } | ||
604 | |||
605 | static void setredbalance(struct gspca_dev *gspca_dev) | ||
606 | { | ||
607 | struct sd *sd = (struct sd *) gspca_dev; | ||
608 | |||
609 | reg_w(gspca_dev, 0xff, 0x00); /* page 0 */ | ||
610 | reg_w(gspca_dev, 0xc5, sd->red_balance); | ||
611 | |||
612 | reg_w(gspca_dev, 0xdc, 0x01); | ||
613 | PDEBUG(D_CONF|D_STREAM, "red_balance: %i", sd->red_balance); | ||
614 | } | ||
615 | |||
616 | static void setbluebalance(struct gspca_dev *gspca_dev) | ||
617 | { | ||
618 | struct sd *sd = (struct sd *) gspca_dev; | ||
619 | |||
620 | reg_w(gspca_dev, 0xff, 0x00); /* page 0 */ | ||
621 | reg_w(gspca_dev, 0xc7, sd->blue_balance); | ||
622 | |||
623 | reg_w(gspca_dev, 0xdc, 0x01); | ||
624 | PDEBUG(D_CONF|D_STREAM, "blue_balance: %i", sd->blue_balance); | ||
625 | } | ||
626 | |||
627 | static void setgain(struct gspca_dev *gspca_dev) | ||
628 | { | ||
629 | struct sd *sd = (struct sd *) gspca_dev; | ||
630 | |||
631 | reg_w(gspca_dev, 0xff, 0x03); /* page 3 */ | ||
632 | reg_w(gspca_dev, 0x10, sd->gain >> 3); | ||
633 | |||
634 | /* load registers to sensor (Bit 0, auto clear) */ | ||
635 | reg_w(gspca_dev, 0x11, 0x01); | ||
636 | } | ||
637 | |||
638 | static void setexposure(struct gspca_dev *gspca_dev) | ||
639 | { | ||
640 | struct sd *sd = (struct sd *) gspca_dev; | ||
641 | __u8 clockdiv; | ||
642 | __u16 exposure; | ||
643 | |||
644 | /* register 2 of frame 3 contains the clock divider configuring the | ||
645 | no fps according to the formula: 90 / reg. sd->exposure is the | ||
646 | desired exposure time in 0.5 ms. */ | ||
647 | clockdiv = (90 * sd->exposure + 1999) / 2000; | ||
648 | |||
649 | /* Note clockdiv = 3 also works, but when running at 30 fps, depending | ||
650 | on the scene being recorded, the camera switches to another | ||
651 | quantization table for certain JPEG blocks, and we don't know how | ||
652 | to decompress these blocks. So we cap the framerate at 15 fps */ | ||
653 | if (clockdiv < 6) | ||
654 | clockdiv = 6; | ||
655 | else if (clockdiv > 63) | ||
656 | clockdiv = 63; | ||
657 | |||
658 | /* reg2 MUST be a multiple of 3, except when between 6 and 12? | ||
659 | Always round up, otherwise we cannot get the desired frametime | ||
660 | using the partial frame time exposure control */ | ||
661 | if (clockdiv < 6 || clockdiv > 12) | ||
662 | clockdiv = ((clockdiv + 2) / 3) * 3; | ||
663 | |||
664 | /* frame exposure time in ms = 1000 * clockdiv / 90 -> | ||
665 | exposure = (sd->exposure / 2) * 448 / (1000 * clockdiv / 90) */ | ||
666 | exposure = (sd->exposure * 45 * 448) / (1000 * clockdiv); | ||
667 | /* 0 = use full frametime, 448 = no exposure, reverse it */ | ||
668 | exposure = 448 - exposure; | ||
669 | |||
670 | reg_w(gspca_dev, 0xff, 0x03); /* page 3 */ | ||
671 | reg_w(gspca_dev, 0x02, clockdiv); | ||
672 | reg_w(gspca_dev, 0x0e, exposure & 0xff); | ||
673 | reg_w(gspca_dev, 0x0f, exposure >> 8); | ||
674 | |||
675 | /* load registers to sensor (Bit 0, auto clear) */ | ||
676 | reg_w(gspca_dev, 0x11, 0x01); | ||
677 | } | ||
678 | |||
679 | static void sethvflip(struct gspca_dev *gspca_dev) | ||
680 | { | ||
681 | struct sd *sd = (struct sd *) gspca_dev; | ||
682 | u8 data, hflip, vflip; | ||
683 | |||
684 | hflip = sd->hflip; | ||
685 | if (sd->flags & FL_HFLIP) | ||
686 | hflip = !hflip; | ||
687 | vflip = sd->vflip; | ||
688 | if (sd->flags & FL_VFLIP) | ||
689 | vflip = !vflip; | ||
690 | |||
691 | reg_w(gspca_dev, 0xff, 0x03); /* page 3 */ | ||
692 | data = (hflip ? 0x08 : 0x00) | (vflip ? 0x04 : 0x00); | ||
693 | reg_w(gspca_dev, 0x21, data); | ||
694 | |||
695 | /* load registers to sensor (Bit 0, auto clear) */ | ||
696 | reg_w(gspca_dev, 0x11, 0x01); | ||
697 | } | ||
698 | |||
699 | /* this function is called at probe and resume time for pac7302 */ | ||
700 | static int sd_init(struct gspca_dev *gspca_dev) | ||
701 | { | ||
702 | reg_w_seq(gspca_dev, init_7302, sizeof(init_7302)/2); | ||
703 | return gspca_dev->usb_err; | ||
704 | } | ||
705 | |||
706 | static int sd_start(struct gspca_dev *gspca_dev) | ||
707 | { | ||
708 | struct sd *sd = (struct sd *) gspca_dev; | ||
709 | |||
710 | sd->sof_read = 0; | ||
711 | |||
712 | reg_w_var(gspca_dev, start_7302, | ||
713 | page3_7302, sizeof(page3_7302)); | ||
714 | setbrightcont(gspca_dev); | ||
715 | setcolors(gspca_dev); | ||
716 | setwhitebalance(gspca_dev); | ||
717 | setredbalance(gspca_dev); | ||
718 | setbluebalance(gspca_dev); | ||
719 | setgain(gspca_dev); | ||
720 | setexposure(gspca_dev); | ||
721 | sethvflip(gspca_dev); | ||
722 | |||
723 | /* only resolution 640x480 is supported for pac7302 */ | ||
724 | |||
725 | sd->sof_read = 0; | ||
726 | sd->autogain_ignore_frames = 0; | ||
727 | atomic_set(&sd->avg_lum, -1); | ||
728 | |||
729 | /* start stream */ | ||
730 | reg_w(gspca_dev, 0xff, 0x01); | ||
731 | reg_w(gspca_dev, 0x78, 0x01); | ||
732 | |||
733 | return gspca_dev->usb_err; | ||
734 | } | ||
735 | |||
736 | static void sd_stopN(struct gspca_dev *gspca_dev) | ||
737 | { | ||
738 | |||
739 | /* stop stream */ | ||
740 | reg_w(gspca_dev, 0xff, 0x01); | ||
741 | reg_w(gspca_dev, 0x78, 0x00); | ||
742 | } | ||
743 | |||
744 | /* called on streamoff with alt 0 and on disconnect for pac7302 */ | ||
745 | static void sd_stop0(struct gspca_dev *gspca_dev) | ||
746 | { | ||
747 | if (!gspca_dev->present) | ||
748 | return; | ||
749 | reg_w(gspca_dev, 0xff, 0x01); | ||
750 | reg_w(gspca_dev, 0x78, 0x40); | ||
751 | } | ||
752 | |||
753 | /* Include pac common sof detection functions */ | ||
754 | #include "pac_common.h" | ||
755 | |||
756 | static void do_autogain(struct gspca_dev *gspca_dev) | ||
757 | { | ||
758 | struct sd *sd = (struct sd *) gspca_dev; | ||
759 | int avg_lum = atomic_read(&sd->avg_lum); | ||
760 | int desired_lum; | ||
761 | const int deadzone = 30; | ||
762 | |||
763 | if (avg_lum == -1) | ||
764 | return; | ||
765 | |||
766 | desired_lum = 270 + sd->brightness; | ||
767 | |||
768 | if (sd->autogain_ignore_frames > 0) | ||
769 | sd->autogain_ignore_frames--; | ||
770 | else if (gspca_auto_gain_n_exposure(gspca_dev, avg_lum, desired_lum, | ||
771 | deadzone, GAIN_KNEE, EXPOSURE_KNEE)) | ||
772 | sd->autogain_ignore_frames = PAC_AUTOGAIN_IGNORE_FRAMES; | ||
773 | } | ||
774 | |||
775 | /* JPEG header, part 1 */ | ||
776 | static const unsigned char pac_jpeg_header1[] = { | ||
777 | 0xff, 0xd8, /* SOI: Start of Image */ | ||
778 | |||
779 | 0xff, 0xc0, /* SOF0: Start of Frame (Baseline DCT) */ | ||
780 | 0x00, 0x11, /* length = 17 bytes (including this length field) */ | ||
781 | 0x08 /* Precision: 8 */ | ||
782 | /* 2 bytes is placed here: number of image lines */ | ||
783 | /* 2 bytes is placed here: samples per line */ | ||
784 | }; | ||
785 | |||
786 | /* JPEG header, continued */ | ||
787 | static const unsigned char pac_jpeg_header2[] = { | ||
788 | 0x03, /* Number of image components: 3 */ | ||
789 | 0x01, 0x21, 0x00, /* ID=1, Subsampling 1x1, Quantization table: 0 */ | ||
790 | 0x02, 0x11, 0x01, /* ID=2, Subsampling 2x1, Quantization table: 1 */ | ||
791 | 0x03, 0x11, 0x01, /* ID=3, Subsampling 2x1, Quantization table: 1 */ | ||
792 | |||
793 | 0xff, 0xda, /* SOS: Start Of Scan */ | ||
794 | 0x00, 0x0c, /* length = 12 bytes (including this length field) */ | ||
795 | 0x03, /* number of components: 3 */ | ||
796 | 0x01, 0x00, /* selector 1, table 0x00 */ | ||
797 | 0x02, 0x11, /* selector 2, table 0x11 */ | ||
798 | 0x03, 0x11, /* selector 3, table 0x11 */ | ||
799 | 0x00, 0x3f, /* Spectral selection: 0 .. 63 */ | ||
800 | 0x00 /* Successive approximation: 0 */ | ||
801 | }; | ||
802 | |||
803 | static void pac_start_frame(struct gspca_dev *gspca_dev, | ||
804 | __u16 lines, __u16 samples_per_line) | ||
805 | { | ||
806 | unsigned char tmpbuf[4]; | ||
807 | |||
808 | gspca_frame_add(gspca_dev, FIRST_PACKET, | ||
809 | pac_jpeg_header1, sizeof(pac_jpeg_header1)); | ||
810 | |||
811 | tmpbuf[0] = lines >> 8; | ||
812 | tmpbuf[1] = lines & 0xff; | ||
813 | tmpbuf[2] = samples_per_line >> 8; | ||
814 | tmpbuf[3] = samples_per_line & 0xff; | ||
815 | |||
816 | gspca_frame_add(gspca_dev, INTER_PACKET, | ||
817 | tmpbuf, sizeof(tmpbuf)); | ||
818 | gspca_frame_add(gspca_dev, INTER_PACKET, | ||
819 | pac_jpeg_header2, sizeof(pac_jpeg_header2)); | ||
820 | } | ||
821 | |||
822 | /* this function is run at interrupt level */ | ||
823 | static void sd_pkt_scan(struct gspca_dev *gspca_dev, | ||
824 | u8 *data, /* isoc packet */ | ||
825 | int len) /* iso packet length */ | ||
826 | { | ||
827 | struct sd *sd = (struct sd *) gspca_dev; | ||
828 | u8 *image; | ||
829 | unsigned char *sof; | ||
830 | |||
831 | sof = pac_find_sof(&sd->sof_read, data, len); | ||
832 | if (sof) { | ||
833 | int n, lum_offset, footer_length; | ||
834 | |||
835 | /* 6 bytes after the FF D9 EOF marker a number of lumination | ||
836 | bytes are send corresponding to different parts of the | ||
837 | image, the 14th and 15th byte after the EOF seem to | ||
838 | correspond to the center of the image */ | ||
839 | lum_offset = 61 + sizeof pac_sof_marker; | ||
840 | footer_length = 74; | ||
841 | |||
842 | /* Finish decoding current frame */ | ||
843 | n = (sof - data) - (footer_length + sizeof pac_sof_marker); | ||
844 | if (n < 0) { | ||
845 | gspca_dev->image_len += n; | ||
846 | n = 0; | ||
847 | } else { | ||
848 | gspca_frame_add(gspca_dev, INTER_PACKET, data, n); | ||
849 | } | ||
850 | |||
851 | image = gspca_dev->image; | ||
852 | if (image != NULL | ||
853 | && image[gspca_dev->image_len - 2] == 0xff | ||
854 | && image[gspca_dev->image_len - 1] == 0xd9) | ||
855 | gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0); | ||
856 | |||
857 | n = sof - data; | ||
858 | len -= n; | ||
859 | data = sof; | ||
860 | |||
861 | /* Get average lumination */ | ||
862 | if (gspca_dev->last_packet_type == LAST_PACKET && | ||
863 | n >= lum_offset) | ||
864 | atomic_set(&sd->avg_lum, data[-lum_offset] + | ||
865 | data[-lum_offset + 1]); | ||
866 | else | ||
867 | atomic_set(&sd->avg_lum, -1); | ||
868 | |||
869 | /* Start the new frame with the jpeg header */ | ||
870 | /* The PAC7302 has the image rotated 90 degrees */ | ||
871 | pac_start_frame(gspca_dev, | ||
872 | gspca_dev->width, gspca_dev->height); | ||
873 | } | ||
874 | gspca_frame_add(gspca_dev, INTER_PACKET, data, len); | ||
875 | } | ||
876 | |||
877 | static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) | ||
878 | { | ||
879 | struct sd *sd = (struct sd *) gspca_dev; | ||
880 | |||
881 | sd->brightness = val; | ||
882 | if (gspca_dev->streaming) | ||
883 | setbrightcont(gspca_dev); | ||
884 | return gspca_dev->usb_err; | ||
885 | } | ||
886 | |||
887 | static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) | ||
888 | { | ||
889 | struct sd *sd = (struct sd *) gspca_dev; | ||
890 | |||
891 | *val = sd->brightness; | ||
892 | return 0; | ||
893 | } | ||
894 | |||
895 | static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val) | ||
896 | { | ||
897 | struct sd *sd = (struct sd *) gspca_dev; | ||
898 | |||
899 | sd->contrast = val; | ||
900 | if (gspca_dev->streaming) | ||
901 | setbrightcont(gspca_dev); | ||
902 | return gspca_dev->usb_err; | ||
903 | } | ||
904 | |||
905 | static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val) | ||
906 | { | ||
907 | struct sd *sd = (struct sd *) gspca_dev; | ||
908 | |||
909 | *val = sd->contrast; | ||
910 | return 0; | ||
911 | } | ||
912 | |||
913 | static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val) | ||
914 | { | ||
915 | struct sd *sd = (struct sd *) gspca_dev; | ||
916 | |||
917 | sd->colors = val; | ||
918 | if (gspca_dev->streaming) | ||
919 | setcolors(gspca_dev); | ||
920 | return gspca_dev->usb_err; | ||
921 | } | ||
922 | |||
923 | static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val) | ||
924 | { | ||
925 | struct sd *sd = (struct sd *) gspca_dev; | ||
926 | |||
927 | *val = sd->colors; | ||
928 | return 0; | ||
929 | } | ||
930 | |||
931 | static int sd_setwhitebalance(struct gspca_dev *gspca_dev, __s32 val) | ||
932 | { | ||
933 | struct sd *sd = (struct sd *) gspca_dev; | ||
934 | |||
935 | sd->white_balance = val; | ||
936 | if (gspca_dev->streaming) | ||
937 | setwhitebalance(gspca_dev); | ||
938 | return gspca_dev->usb_err; | ||
939 | } | ||
940 | |||
941 | static int sd_getwhitebalance(struct gspca_dev *gspca_dev, __s32 *val) | ||
942 | { | ||
943 | struct sd *sd = (struct sd *) gspca_dev; | ||
944 | |||
945 | *val = sd->white_balance; | ||
946 | return 0; | ||
947 | } | ||
948 | |||
949 | static int sd_setredbalance(struct gspca_dev *gspca_dev, __s32 val) | ||
950 | { | ||
951 | struct sd *sd = (struct sd *) gspca_dev; | ||
952 | |||
953 | sd->red_balance = val; | ||
954 | if (gspca_dev->streaming) | ||
955 | setredbalance(gspca_dev); | ||
956 | return gspca_dev->usb_err; | ||
957 | } | ||
958 | |||
959 | static int sd_getredbalance(struct gspca_dev *gspca_dev, __s32 *val) | ||
960 | { | ||
961 | struct sd *sd = (struct sd *) gspca_dev; | ||
962 | |||
963 | *val = sd->red_balance; | ||
964 | return 0; | ||
965 | } | ||
966 | |||
967 | static int sd_setbluebalance(struct gspca_dev *gspca_dev, __s32 val) | ||
968 | { | ||
969 | struct sd *sd = (struct sd *) gspca_dev; | ||
970 | |||
971 | sd->blue_balance = val; | ||
972 | if (gspca_dev->streaming) | ||
973 | setbluebalance(gspca_dev); | ||
974 | return gspca_dev->usb_err; | ||
975 | } | ||
976 | |||
977 | static int sd_getbluebalance(struct gspca_dev *gspca_dev, __s32 *val) | ||
978 | { | ||
979 | struct sd *sd = (struct sd *) gspca_dev; | ||
980 | |||
981 | *val = sd->blue_balance; | ||
982 | return 0; | ||
983 | } | ||
984 | |||
985 | static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val) | ||
986 | { | ||
987 | struct sd *sd = (struct sd *) gspca_dev; | ||
988 | |||
989 | sd->gain = val; | ||
990 | if (gspca_dev->streaming) | ||
991 | setgain(gspca_dev); | ||
992 | return gspca_dev->usb_err; | ||
993 | } | ||
994 | |||
995 | static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val) | ||
996 | { | ||
997 | struct sd *sd = (struct sd *) gspca_dev; | ||
998 | |||
999 | *val = sd->gain; | ||
1000 | return 0; | ||
1001 | } | ||
1002 | |||
1003 | static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val) | ||
1004 | { | ||
1005 | struct sd *sd = (struct sd *) gspca_dev; | ||
1006 | |||
1007 | sd->exposure = val; | ||
1008 | if (gspca_dev->streaming) | ||
1009 | setexposure(gspca_dev); | ||
1010 | return gspca_dev->usb_err; | ||
1011 | } | ||
1012 | |||
1013 | static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val) | ||
1014 | { | ||
1015 | struct sd *sd = (struct sd *) gspca_dev; | ||
1016 | |||
1017 | *val = sd->exposure; | ||
1018 | return 0; | ||
1019 | } | ||
1020 | |||
1021 | static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val) | ||
1022 | { | ||
1023 | struct sd *sd = (struct sd *) gspca_dev; | ||
1024 | |||
1025 | sd->autogain = val; | ||
1026 | /* when switching to autogain set defaults to make sure | ||
1027 | we are on a valid point of the autogain gain / | ||
1028 | exposure knee graph, and give this change time to | ||
1029 | take effect before doing autogain. */ | ||
1030 | if (sd->autogain) { | ||
1031 | sd->exposure = EXPOSURE_DEF; | ||
1032 | sd->gain = GAIN_DEF; | ||
1033 | if (gspca_dev->streaming) { | ||
1034 | sd->autogain_ignore_frames = | ||
1035 | PAC_AUTOGAIN_IGNORE_FRAMES; | ||
1036 | setexposure(gspca_dev); | ||
1037 | setgain(gspca_dev); | ||
1038 | } | ||
1039 | } | ||
1040 | |||
1041 | return gspca_dev->usb_err; | ||
1042 | } | ||
1043 | |||
1044 | static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val) | ||
1045 | { | ||
1046 | struct sd *sd = (struct sd *) gspca_dev; | ||
1047 | |||
1048 | *val = sd->autogain; | ||
1049 | return 0; | ||
1050 | } | ||
1051 | |||
1052 | static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val) | ||
1053 | { | ||
1054 | struct sd *sd = (struct sd *) gspca_dev; | ||
1055 | |||
1056 | sd->hflip = val; | ||
1057 | if (gspca_dev->streaming) | ||
1058 | sethvflip(gspca_dev); | ||
1059 | return gspca_dev->usb_err; | ||
1060 | } | ||
1061 | |||
1062 | static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val) | ||
1063 | { | ||
1064 | struct sd *sd = (struct sd *) gspca_dev; | ||
1065 | |||
1066 | *val = sd->hflip; | ||
1067 | return 0; | ||
1068 | } | ||
1069 | |||
1070 | static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val) | ||
1071 | { | ||
1072 | struct sd *sd = (struct sd *) gspca_dev; | ||
1073 | |||
1074 | sd->vflip = val; | ||
1075 | if (gspca_dev->streaming) | ||
1076 | sethvflip(gspca_dev); | ||
1077 | return gspca_dev->usb_err; | ||
1078 | } | ||
1079 | |||
1080 | static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val) | ||
1081 | { | ||
1082 | struct sd *sd = (struct sd *) gspca_dev; | ||
1083 | |||
1084 | *val = sd->vflip; | ||
1085 | return 0; | ||
1086 | } | ||
1087 | |||
1088 | #ifdef CONFIG_VIDEO_ADV_DEBUG | ||
1089 | static int sd_dbg_s_register(struct gspca_dev *gspca_dev, | ||
1090 | struct v4l2_dbg_register *reg) | ||
1091 | { | ||
1092 | __u8 index; | ||
1093 | __u8 value; | ||
1094 | |||
1095 | /* reg->reg: bit0..15: reserved for register index (wIndex is 16bit | ||
1096 | long on the USB bus) | ||
1097 | */ | ||
1098 | if (reg->match.type == V4L2_CHIP_MATCH_HOST && | ||
1099 | reg->match.addr == 0 && | ||
1100 | (reg->reg < 0x000000ff) && | ||
1101 | (reg->val <= 0x000000ff) | ||
1102 | ) { | ||
1103 | /* Currently writing to page 0 is only supported. */ | ||
1104 | /* reg_w() only supports 8bit index */ | ||
1105 | index = reg->reg & 0x000000ff; | ||
1106 | value = reg->val & 0x000000ff; | ||
1107 | |||
1108 | /* Note that there shall be no access to other page | ||
1109 | by any other function between the page swith and | ||
1110 | the actual register write */ | ||
1111 | reg_w(gspca_dev, 0xff, 0x00); /* page 0 */ | ||
1112 | reg_w(gspca_dev, index, value); | ||
1113 | |||
1114 | reg_w(gspca_dev, 0xdc, 0x01); | ||
1115 | } | ||
1116 | return gspca_dev->usb_err; | ||
1117 | } | ||
1118 | |||
1119 | static int sd_chip_ident(struct gspca_dev *gspca_dev, | ||
1120 | struct v4l2_dbg_chip_ident *chip) | ||
1121 | { | ||
1122 | int ret = -EINVAL; | ||
1123 | |||
1124 | if (chip->match.type == V4L2_CHIP_MATCH_HOST && | ||
1125 | chip->match.addr == 0) { | ||
1126 | chip->revision = 0; | ||
1127 | chip->ident = V4L2_IDENT_UNKNOWN; | ||
1128 | ret = 0; | ||
1129 | } | ||
1130 | return ret; | ||
1131 | } | ||
1132 | #endif | ||
1133 | |||
1134 | #if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE) | ||
1135 | static int sd_int_pkt_scan(struct gspca_dev *gspca_dev, | ||
1136 | u8 *data, /* interrupt packet data */ | ||
1137 | int len) /* interrput packet length */ | ||
1138 | { | ||
1139 | int ret = -EINVAL; | ||
1140 | u8 data0, data1; | ||
1141 | |||
1142 | if (len == 2) { | ||
1143 | data0 = data[0]; | ||
1144 | data1 = data[1]; | ||
1145 | if ((data0 == 0x00 && data1 == 0x11) || | ||
1146 | (data0 == 0x22 && data1 == 0x33) || | ||
1147 | (data0 == 0x44 && data1 == 0x55) || | ||
1148 | (data0 == 0x66 && data1 == 0x77) || | ||
1149 | (data0 == 0x88 && data1 == 0x99) || | ||
1150 | (data0 == 0xaa && data1 == 0xbb) || | ||
1151 | (data0 == 0xcc && data1 == 0xdd) || | ||
1152 | (data0 == 0xee && data1 == 0xff)) { | ||
1153 | input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1); | ||
1154 | input_sync(gspca_dev->input_dev); | ||
1155 | input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0); | ||
1156 | input_sync(gspca_dev->input_dev); | ||
1157 | ret = 0; | ||
1158 | } | ||
1159 | } | ||
1160 | |||
1161 | return ret; | ||
1162 | } | ||
1163 | #endif | ||
1164 | |||
1165 | /* sub-driver description for pac7302 */ | ||
1166 | static const struct sd_desc sd_desc = { | ||
1167 | .name = MODULE_NAME, | ||
1168 | .ctrls = sd_ctrls, | ||
1169 | .nctrls = ARRAY_SIZE(sd_ctrls), | ||
1170 | .config = sd_config, | ||
1171 | .init = sd_init, | ||
1172 | .start = sd_start, | ||
1173 | .stopN = sd_stopN, | ||
1174 | .stop0 = sd_stop0, | ||
1175 | .pkt_scan = sd_pkt_scan, | ||
1176 | .dq_callback = do_autogain, | ||
1177 | #ifdef CONFIG_VIDEO_ADV_DEBUG | ||
1178 | .set_register = sd_dbg_s_register, | ||
1179 | .get_chip_ident = sd_chip_ident, | ||
1180 | #endif | ||
1181 | #if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE) | ||
1182 | .int_pkt_scan = sd_int_pkt_scan, | ||
1183 | #endif | ||
1184 | }; | ||
1185 | |||
1186 | /* -- module initialisation -- */ | ||
1187 | static const struct usb_device_id device_table[] = { | ||
1188 | {USB_DEVICE(0x06f8, 0x3009)}, | ||
1189 | {USB_DEVICE(0x093a, 0x2620)}, | ||
1190 | {USB_DEVICE(0x093a, 0x2621)}, | ||
1191 | {USB_DEVICE(0x093a, 0x2622), .driver_info = FL_VFLIP}, | ||
1192 | {USB_DEVICE(0x093a, 0x2624), .driver_info = FL_VFLIP}, | ||
1193 | {USB_DEVICE(0x093a, 0x2625)}, | ||
1194 | {USB_DEVICE(0x093a, 0x2626)}, | ||
1195 | {USB_DEVICE(0x093a, 0x2628)}, | ||
1196 | {USB_DEVICE(0x093a, 0x2629), .driver_info = FL_VFLIP}, | ||
1197 | {USB_DEVICE(0x093a, 0x262a)}, | ||
1198 | {USB_DEVICE(0x093a, 0x262c)}, | ||
1199 | {} | ||
1200 | }; | ||
1201 | MODULE_DEVICE_TABLE(usb, device_table); | ||
1202 | |||
1203 | /* -- device connect -- */ | ||
1204 | static int sd_probe(struct usb_interface *intf, | ||
1205 | const struct usb_device_id *id) | ||
1206 | { | ||
1207 | return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), | ||
1208 | THIS_MODULE); | ||
1209 | } | ||
1210 | |||
1211 | static struct usb_driver sd_driver = { | ||
1212 | .name = MODULE_NAME, | ||
1213 | .id_table = device_table, | ||
1214 | .probe = sd_probe, | ||
1215 | .disconnect = gspca_disconnect, | ||
1216 | #ifdef CONFIG_PM | ||
1217 | .suspend = gspca_suspend, | ||
1218 | .resume = gspca_resume, | ||
1219 | #endif | ||
1220 | }; | ||
1221 | |||
1222 | /* -- module insert / remove -- */ | ||
1223 | static int __init sd_mod_init(void) | ||
1224 | { | ||
1225 | return usb_register(&sd_driver); | ||
1226 | } | ||
1227 | static void __exit sd_mod_exit(void) | ||
1228 | { | ||
1229 | usb_deregister(&sd_driver); | ||
1230 | } | ||
1231 | |||
1232 | module_init(sd_mod_init); | ||
1233 | module_exit(sd_mod_exit); | ||