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e2997a72 HG |
1 | /* |
2 | * Pixart PAC207BCA library | |
3 | * | |
dc1fe157 | 4 | * Copyright (C) 2008 Hans de Goede <hdgoede@redhat.com> |
e2997a72 HG |
5 | * Copyright (C) 2005 Thomas Kaiser thomas@kaiser-linux.li |
6 | * Copyleft (C) 2005 Michel Xhaard mxhaard@magic.fr | |
7 | * | |
8 | * V4L2 by Jean-Francois Moine <http://moinejf.free.fr> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
23 | * | |
24 | */ | |
25 | ||
26 | #define MODULE_NAME "pac207" | |
27 | ||
28 | #include "gspca.h" | |
29 | ||
dc1fe157 | 30 | MODULE_AUTHOR("Hans de Goede <hdgoede@redhat.com>"); |
e2997a72 HG |
31 | MODULE_DESCRIPTION("Pixart PAC207"); |
32 | MODULE_LICENSE("GPL"); | |
33 | ||
34 | #define PAC207_CTRL_TIMEOUT 100 /* ms */ | |
35 | ||
36 | #define PAC207_BRIGHTNESS_MIN 0 | |
37 | #define PAC207_BRIGHTNESS_MAX 255 | |
0e4a9099 HG |
38 | #define PAC207_BRIGHTNESS_DEFAULT 46 |
39 | ||
40 | #define PAC207_EXPOSURE_MIN 3 | |
e2997a72 | 41 | #define PAC207_EXPOSURE_MAX 26 |
0e4a9099 HG |
42 | #define PAC207_EXPOSURE_DEFAULT 5 /* power on default: 3 */ |
43 | #define PAC207_EXPOSURE_KNEE 8 /* 4 = 30 fps, 11 = 8, 15 = 6 */ | |
e2997a72 HG |
44 | |
45 | #define PAC207_GAIN_MIN 0 | |
46 | #define PAC207_GAIN_MAX 31 | |
47 | #define PAC207_GAIN_DEFAULT 9 /* power on default: 9 */ | |
0e4a9099 | 48 | #define PAC207_GAIN_KNEE 31 |
e2997a72 HG |
49 | |
50 | #define PAC207_AUTOGAIN_DEADZONE 30 | |
e2997a72 | 51 | |
e2997a72 HG |
52 | /* specific webcam descriptor */ |
53 | struct sd { | |
54 | struct gspca_dev gspca_dev; /* !! must be the first item */ | |
55 | ||
e2997a72 HG |
56 | u8 mode; |
57 | ||
58 | u8 brightness; | |
59 | u8 exposure; | |
60 | u8 autogain; | |
61 | u8 gain; | |
62 | ||
63 | u8 sof_read; | |
ab8f12cf | 64 | u8 header_read; |
e2997a72 HG |
65 | u8 autogain_ignore_frames; |
66 | ||
67 | atomic_t avg_lum; | |
68 | }; | |
69 | ||
70 | /* V4L2 controls supported by the driver */ | |
71 | static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val); | |
72 | static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val); | |
73 | static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val); | |
74 | static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val); | |
75 | static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val); | |
76 | static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val); | |
77 | static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val); | |
78 | static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val); | |
79 | ||
80 | static struct ctrl sd_ctrls[] = { | |
81 | #define SD_BRIGHTNESS 0 | |
82 | { | |
83 | { | |
84 | .id = V4L2_CID_BRIGHTNESS, | |
85 | .type = V4L2_CTRL_TYPE_INTEGER, | |
86 | .name = "Brightness", | |
87 | .minimum = PAC207_BRIGHTNESS_MIN, | |
88 | .maximum = PAC207_BRIGHTNESS_MAX, | |
89 | .step = 1, | |
90 | .default_value = PAC207_BRIGHTNESS_DEFAULT, | |
91 | .flags = 0, | |
92 | }, | |
93 | .set = sd_setbrightness, | |
94 | .get = sd_getbrightness, | |
95 | }, | |
96 | #define SD_EXPOSURE 1 | |
97 | { | |
98 | { | |
99 | .id = V4L2_CID_EXPOSURE, | |
100 | .type = V4L2_CTRL_TYPE_INTEGER, | |
101 | .name = "exposure", | |
102 | .minimum = PAC207_EXPOSURE_MIN, | |
103 | .maximum = PAC207_EXPOSURE_MAX, | |
104 | .step = 1, | |
105 | .default_value = PAC207_EXPOSURE_DEFAULT, | |
106 | .flags = 0, | |
107 | }, | |
108 | .set = sd_setexposure, | |
109 | .get = sd_getexposure, | |
110 | }, | |
111 | #define SD_AUTOGAIN 2 | |
112 | { | |
113 | { | |
114 | .id = V4L2_CID_AUTOGAIN, | |
115 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
116 | .name = "Auto Gain", | |
117 | .minimum = 0, | |
118 | .maximum = 1, | |
119 | .step = 1, | |
66e4124f JFM |
120 | #define AUTOGAIN_DEF 1 |
121 | .default_value = AUTOGAIN_DEF, | |
e2997a72 HG |
122 | .flags = 0, |
123 | }, | |
124 | .set = sd_setautogain, | |
125 | .get = sd_getautogain, | |
126 | }, | |
127 | #define SD_GAIN 3 | |
128 | { | |
129 | { | |
130 | .id = V4L2_CID_GAIN, | |
131 | .type = V4L2_CTRL_TYPE_INTEGER, | |
132 | .name = "gain", | |
133 | .minimum = PAC207_GAIN_MIN, | |
134 | .maximum = PAC207_GAIN_MAX, | |
135 | .step = 1, | |
136 | .default_value = PAC207_GAIN_DEFAULT, | |
137 | .flags = 0, | |
138 | }, | |
139 | .set = sd_setgain, | |
140 | .get = sd_getgain, | |
141 | }, | |
142 | }; | |
143 | ||
cc611b8a | 144 | static const struct v4l2_pix_format sif_mode[] = { |
c2446b3e JFM |
145 | {176, 144, V4L2_PIX_FMT_PAC207, V4L2_FIELD_NONE, |
146 | .bytesperline = 176, | |
147 | .sizeimage = (176 + 2) * 144, | |
148 | /* uncompressed, add 2 bytes / line for line header */ | |
149 | .colorspace = V4L2_COLORSPACE_SRGB, | |
150 | .priv = 1}, | |
151 | {352, 288, V4L2_PIX_FMT_PAC207, V4L2_FIELD_NONE, | |
152 | .bytesperline = 352, | |
80544d3c HG |
153 | /* compressed, but only when needed (not compressed |
154 | when the framerate is low) */ | |
155 | .sizeimage = (352 + 2) * 288, | |
c2446b3e JFM |
156 | .colorspace = V4L2_COLORSPACE_SRGB, |
157 | .priv = 0}, | |
e2997a72 HG |
158 | }; |
159 | ||
160 | static const __u8 pac207_sensor_init[][8] = { | |
0e4a9099 HG |
161 | {0x10, 0x12, 0x0d, 0x12, 0x0c, 0x01, 0x29, 0x84}, |
162 | {0x49, 0x64, 0x64, 0x64, 0x04, 0x10, 0xf0, 0x30}, | |
e2997a72 | 163 | {0x00, 0x00, 0x00, 0x70, 0xa0, 0xf8, 0x00, 0x00}, |
e2997a72 HG |
164 | {0x32, 0x00, 0x96, 0x00, 0xA2, 0x02, 0xaf, 0x00}, |
165 | }; | |
166 | ||
739570bb | 167 | static int pac207_write_regs(struct gspca_dev *gspca_dev, u16 index, |
e2997a72 HG |
168 | const u8 *buffer, u16 length) |
169 | { | |
170 | struct usb_device *udev = gspca_dev->dev; | |
171 | int err; | |
e2997a72 | 172 | |
739570bb | 173 | memcpy(gspca_dev->usb_buf, buffer, length); |
e2997a72 HG |
174 | |
175 | err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x01, | |
176 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, | |
739570bb JFM |
177 | 0x00, index, |
178 | gspca_dev->usb_buf, length, PAC207_CTRL_TIMEOUT); | |
e2997a72 HG |
179 | if (err < 0) |
180 | PDEBUG(D_ERR, | |
181 | "Failed to write registers to index 0x%04X, error %d)", | |
182 | index, err); | |
183 | ||
184 | return err; | |
185 | } | |
186 | ||
187 | ||
903e10aa | 188 | static int pac207_write_reg(struct gspca_dev *gspca_dev, u16 index, u16 value) |
e2997a72 HG |
189 | { |
190 | struct usb_device *udev = gspca_dev->dev; | |
191 | int err; | |
192 | ||
193 | err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x00, | |
194 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, | |
195 | value, index, NULL, 0, PAC207_CTRL_TIMEOUT); | |
196 | if (err) | |
197 | PDEBUG(D_ERR, "Failed to write a register (index 0x%04X," | |
198 | " value 0x%02X, error %d)", index, value, err); | |
199 | ||
200 | return err; | |
201 | } | |
202 | ||
903e10aa | 203 | static int pac207_read_reg(struct gspca_dev *gspca_dev, u16 index) |
e2997a72 HG |
204 | { |
205 | struct usb_device *udev = gspca_dev->dev; | |
e2997a72 HG |
206 | int res; |
207 | ||
208 | res = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x00, | |
209 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, | |
739570bb JFM |
210 | 0x00, index, |
211 | gspca_dev->usb_buf, 1, PAC207_CTRL_TIMEOUT); | |
e2997a72 HG |
212 | if (res < 0) { |
213 | PDEBUG(D_ERR, | |
214 | "Failed to read a register (index 0x%04X, error %d)", | |
215 | index, res); | |
216 | return res; | |
217 | } | |
218 | ||
739570bb | 219 | return gspca_dev->usb_buf[0]; |
e2997a72 HG |
220 | } |
221 | ||
e2997a72 HG |
222 | /* this function is called at probe time */ |
223 | static int sd_config(struct gspca_dev *gspca_dev, | |
224 | const struct usb_device_id *id) | |
225 | { | |
4aa0d037 | 226 | struct sd *sd = (struct sd *) gspca_dev; |
e2997a72 HG |
227 | struct cam *cam; |
228 | u8 idreg[2]; | |
229 | ||
230 | idreg[0] = pac207_read_reg(gspca_dev, 0x0000); | |
231 | idreg[1] = pac207_read_reg(gspca_dev, 0x0001); | |
232 | idreg[0] = ((idreg[0] & 0x0F) << 4) | ((idreg[1] & 0xf0) >> 4); | |
233 | idreg[1] = idreg[1] & 0x0f; | |
234 | PDEBUG(D_PROBE, "Pixart Sensor ID 0x%02X Chips ID 0x%02X", | |
235 | idreg[0], idreg[1]); | |
236 | ||
237 | if (idreg[0] != 0x27) { | |
238 | PDEBUG(D_PROBE, "Error invalid sensor ID!"); | |
239 | return -ENODEV; | |
240 | } | |
241 | ||
e2997a72 HG |
242 | PDEBUG(D_PROBE, |
243 | "Pixart PAC207BCA Image Processor and Control Chip detected" | |
244 | " (vid/pid 0x%04X:0x%04X)", id->idVendor, id->idProduct); | |
245 | ||
246 | cam = &gspca_dev->cam; | |
e2997a72 HG |
247 | cam->cam_mode = sif_mode; |
248 | cam->nmodes = ARRAY_SIZE(sif_mode); | |
4aa0d037 JFM |
249 | sd->brightness = PAC207_BRIGHTNESS_DEFAULT; |
250 | sd->exposure = PAC207_EXPOSURE_DEFAULT; | |
251 | sd->gain = PAC207_GAIN_DEFAULT; | |
66e4124f | 252 | sd->autogain = AUTOGAIN_DEF; |
e2997a72 HG |
253 | |
254 | return 0; | |
255 | } | |
256 | ||
012d6b02 JFM |
257 | /* this function is called at probe and resume time */ |
258 | static int sd_init(struct gspca_dev *gspca_dev) | |
e2997a72 | 259 | { |
66e4124f JFM |
260 | pac207_write_reg(gspca_dev, 0x41, 0x00); |
261 | /* Bit_0=Image Format, | |
262 | * Bit_1=LED, | |
263 | * Bit_2=Compression test mode enable */ | |
264 | pac207_write_reg(gspca_dev, 0x0f, 0x00); /* Power Control */ | |
e2997a72 | 265 | |
e2997a72 HG |
266 | return 0; |
267 | } | |
268 | ||
269 | /* -- start the camera -- */ | |
72ab97ce | 270 | static int sd_start(struct gspca_dev *gspca_dev) |
e2997a72 HG |
271 | { |
272 | struct sd *sd = (struct sd *) gspca_dev; | |
273 | __u8 mode; | |
274 | ||
275 | pac207_write_reg(gspca_dev, 0x0f, 0x10); /* Power control (Bit 6-0) */ | |
276 | pac207_write_regs(gspca_dev, 0x0002, pac207_sensor_init[0], 8); | |
277 | pac207_write_regs(gspca_dev, 0x000a, pac207_sensor_init[1], 8); | |
278 | pac207_write_regs(gspca_dev, 0x0012, pac207_sensor_init[2], 8); | |
c529e556 | 279 | pac207_write_regs(gspca_dev, 0x0042, pac207_sensor_init[3], 8); |
e2997a72 HG |
280 | |
281 | /* Compression Balance */ | |
282 | if (gspca_dev->width == 176) | |
283 | pac207_write_reg(gspca_dev, 0x4a, 0xff); | |
284 | else | |
0e4a9099 | 285 | pac207_write_reg(gspca_dev, 0x4a, 0x30); |
e2997a72 HG |
286 | pac207_write_reg(gspca_dev, 0x4b, 0x00); /* Sram test value */ |
287 | pac207_write_reg(gspca_dev, 0x08, sd->brightness); | |
288 | ||
289 | /* PGA global gain (Bit 4-0) */ | |
290 | pac207_write_reg(gspca_dev, 0x0e, sd->gain); | |
291 | pac207_write_reg(gspca_dev, 0x02, sd->exposure); /* PXCK = 12MHz /n */ | |
292 | ||
293 | mode = 0x02; /* Image Format (Bit 0), LED (1), Compr. test mode (2) */ | |
d43fa32f | 294 | if (gspca_dev->width == 176) { /* 176x144 */ |
e2997a72 HG |
295 | mode |= 0x01; |
296 | PDEBUG(D_STREAM, "pac207_start mode 176x144"); | |
d43fa32f | 297 | } else { /* 352x288 */ |
e2997a72 | 298 | PDEBUG(D_STREAM, "pac207_start mode 352x288"); |
d43fa32f | 299 | } |
e2997a72 HG |
300 | pac207_write_reg(gspca_dev, 0x41, mode); |
301 | ||
302 | pac207_write_reg(gspca_dev, 0x13, 0x01); /* Bit 0, auto clear */ | |
303 | pac207_write_reg(gspca_dev, 0x1c, 0x01); /* not documented */ | |
6a7eba24 | 304 | msleep(10); |
e2997a72 HG |
305 | pac207_write_reg(gspca_dev, 0x40, 0x01); /* Start ISO pipe */ |
306 | ||
307 | sd->sof_read = 0; | |
308 | sd->autogain_ignore_frames = 0; | |
309 | atomic_set(&sd->avg_lum, -1); | |
72ab97ce | 310 | return 0; |
e2997a72 HG |
311 | } |
312 | ||
313 | static void sd_stopN(struct gspca_dev *gspca_dev) | |
314 | { | |
315 | pac207_write_reg(gspca_dev, 0x40, 0x00); /* Stop ISO pipe */ | |
316 | pac207_write_reg(gspca_dev, 0x41, 0x00); /* Turn of LED */ | |
317 | pac207_write_reg(gspca_dev, 0x0f, 0x00); /* Power Control */ | |
318 | } | |
319 | ||
8a5b2e90 HG |
320 | /* Include pac common sof detection functions */ |
321 | #include "pac_common.h" | |
322 | ||
e2997a72 HG |
323 | static void pac207_do_auto_gain(struct gspca_dev *gspca_dev) |
324 | { | |
325 | struct sd *sd = (struct sd *) gspca_dev; | |
e2997a72 HG |
326 | int avg_lum = atomic_read(&sd->avg_lum); |
327 | ||
dcef3237 | 328 | if (avg_lum == -1) |
e2997a72 HG |
329 | return; |
330 | ||
dcef3237 | 331 | if (sd->autogain_ignore_frames > 0) |
e2997a72 | 332 | sd->autogain_ignore_frames--; |
dcef3237 | 333 | else if (gspca_auto_gain_n_exposure(gspca_dev, avg_lum, |
0e4a9099 | 334 | 100, PAC207_AUTOGAIN_DEADZONE, |
dcef3237 | 335 | PAC207_GAIN_KNEE, PAC207_EXPOSURE_KNEE)) |
8a5b2e90 | 336 | sd->autogain_ignore_frames = PAC_AUTOGAIN_IGNORE_FRAMES; |
e2997a72 HG |
337 | } |
338 | ||
e2997a72 HG |
339 | static void sd_pkt_scan(struct gspca_dev *gspca_dev, |
340 | struct gspca_frame *frame, | |
a5ae2062 | 341 | __u8 *data, |
e2997a72 HG |
342 | int len) |
343 | { | |
ab8f12cf | 344 | struct sd *sd = (struct sd *) gspca_dev; |
e2997a72 | 345 | unsigned char *sof; |
e2997a72 | 346 | |
a6b69e40 | 347 | sof = pac_find_sof(&sd->sof_read, data, len); |
e2997a72 | 348 | if (sof) { |
ab8f12cf HG |
349 | int n; |
350 | ||
e2997a72 | 351 | /* finish decoding current frame */ |
ab8f12cf | 352 | n = sof - data; |
327c4abf HG |
353 | if (n > sizeof pac_sof_marker) |
354 | n -= sizeof pac_sof_marker; | |
ab8f12cf HG |
355 | else |
356 | n = 0; | |
357 | frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, | |
358 | data, n); | |
359 | sd->header_read = 0; | |
6a7eba24 | 360 | gspca_frame_add(gspca_dev, FIRST_PACKET, frame, NULL, 0); |
e2997a72 HG |
361 | len -= sof - data; |
362 | data = sof; | |
363 | } | |
ab8f12cf HG |
364 | if (sd->header_read < 11) { |
365 | int needed; | |
e2997a72 | 366 | |
ab8f12cf HG |
367 | /* get average lumination from frame header (byte 5) */ |
368 | if (sd->header_read < 5) { | |
369 | needed = 5 - sd->header_read; | |
370 | if (len >= needed) | |
371 | atomic_set(&sd->avg_lum, data[needed - 1]); | |
372 | } | |
373 | /* skip the rest of the header */ | |
374 | needed = 11 - sd->header_read; | |
375 | if (len <= needed) { | |
376 | sd->header_read += len; | |
377 | return; | |
378 | } | |
379 | data += needed; | |
380 | len -= needed; | |
381 | sd->header_read = 11; | |
382 | } | |
e2997a72 | 383 | |
ab8f12cf | 384 | gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len); |
e2997a72 HG |
385 | } |
386 | ||
387 | static void setbrightness(struct gspca_dev *gspca_dev) | |
388 | { | |
389 | struct sd *sd = (struct sd *) gspca_dev; | |
390 | ||
391 | pac207_write_reg(gspca_dev, 0x08, sd->brightness); | |
392 | pac207_write_reg(gspca_dev, 0x13, 0x01); /* Bit 0, auto clear */ | |
393 | pac207_write_reg(gspca_dev, 0x1c, 0x01); /* not documented */ | |
394 | } | |
395 | ||
396 | static void setexposure(struct gspca_dev *gspca_dev) | |
397 | { | |
398 | struct sd *sd = (struct sd *) gspca_dev; | |
399 | ||
400 | pac207_write_reg(gspca_dev, 0x02, sd->exposure); | |
401 | pac207_write_reg(gspca_dev, 0x13, 0x01); /* Bit 0, auto clear */ | |
402 | pac207_write_reg(gspca_dev, 0x1c, 0x01); /* not documented */ | |
403 | } | |
404 | ||
405 | static void setgain(struct gspca_dev *gspca_dev) | |
406 | { | |
407 | struct sd *sd = (struct sd *) gspca_dev; | |
408 | ||
409 | pac207_write_reg(gspca_dev, 0x0e, sd->gain); | |
410 | pac207_write_reg(gspca_dev, 0x13, 0x01); /* Bit 0, auto clear */ | |
411 | pac207_write_reg(gspca_dev, 0x1c, 0x01); /* not documented */ | |
412 | } | |
413 | ||
414 | static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) | |
415 | { | |
416 | struct sd *sd = (struct sd *) gspca_dev; | |
417 | ||
418 | sd->brightness = val; | |
419 | if (gspca_dev->streaming) | |
420 | setbrightness(gspca_dev); | |
421 | return 0; | |
422 | } | |
423 | ||
424 | static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) | |
425 | { | |
426 | struct sd *sd = (struct sd *) gspca_dev; | |
427 | ||
428 | *val = sd->brightness; | |
429 | return 0; | |
430 | } | |
431 | ||
432 | static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val) | |
433 | { | |
434 | struct sd *sd = (struct sd *) gspca_dev; | |
435 | ||
e2997a72 HG |
436 | sd->exposure = val; |
437 | if (gspca_dev->streaming) | |
438 | setexposure(gspca_dev); | |
439 | return 0; | |
440 | } | |
441 | ||
442 | static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val) | |
443 | { | |
444 | struct sd *sd = (struct sd *) gspca_dev; | |
445 | ||
446 | *val = sd->exposure; | |
447 | return 0; | |
448 | } | |
449 | ||
450 | static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val) | |
451 | { | |
452 | struct sd *sd = (struct sd *) gspca_dev; | |
453 | ||
e2997a72 HG |
454 | sd->gain = val; |
455 | if (gspca_dev->streaming) | |
456 | setgain(gspca_dev); | |
457 | return 0; | |
458 | } | |
459 | ||
460 | static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val) | |
461 | { | |
462 | struct sd *sd = (struct sd *) gspca_dev; | |
463 | ||
464 | *val = sd->gain; | |
465 | return 0; | |
466 | } | |
467 | ||
468 | static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val) | |
469 | { | |
470 | struct sd *sd = (struct sd *) gspca_dev; | |
471 | ||
472 | sd->autogain = val; | |
473 | /* when switching to autogain set defaults to make sure | |
474 | we are on a valid point of the autogain gain / | |
475 | exposure knee graph, and give this change time to | |
476 | take effect before doing autogain. */ | |
477 | if (sd->autogain) { | |
478 | sd->exposure = PAC207_EXPOSURE_DEFAULT; | |
479 | sd->gain = PAC207_GAIN_DEFAULT; | |
480 | if (gspca_dev->streaming) { | |
481 | sd->autogain_ignore_frames = | |
8a5b2e90 | 482 | PAC_AUTOGAIN_IGNORE_FRAMES; |
e2997a72 HG |
483 | setexposure(gspca_dev); |
484 | setgain(gspca_dev); | |
485 | } | |
486 | } | |
487 | ||
488 | return 0; | |
489 | } | |
490 | ||
491 | static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val) | |
492 | { | |
493 | struct sd *sd = (struct sd *) gspca_dev; | |
494 | ||
495 | *val = sd->autogain; | |
496 | return 0; | |
497 | } | |
498 | ||
499 | /* sub-driver description */ | |
a5ae2062 | 500 | static const struct sd_desc sd_desc = { |
e2997a72 HG |
501 | .name = MODULE_NAME, |
502 | .ctrls = sd_ctrls, | |
503 | .nctrls = ARRAY_SIZE(sd_ctrls), | |
504 | .config = sd_config, | |
012d6b02 | 505 | .init = sd_init, |
e2997a72 HG |
506 | .start = sd_start, |
507 | .stopN = sd_stopN, | |
e2997a72 HG |
508 | .dq_callback = pac207_do_auto_gain, |
509 | .pkt_scan = sd_pkt_scan, | |
510 | }; | |
511 | ||
512 | /* -- module initialisation -- */ | |
a5ae2062 | 513 | static const __devinitdata struct usb_device_id device_table[] = { |
9d64fdb1 JFM |
514 | {USB_DEVICE(0x041e, 0x4028)}, |
515 | {USB_DEVICE(0x093a, 0x2460)}, | |
87945895 | 516 | {USB_DEVICE(0x093a, 0x2461)}, |
9d64fdb1 JFM |
517 | {USB_DEVICE(0x093a, 0x2463)}, |
518 | {USB_DEVICE(0x093a, 0x2464)}, | |
519 | {USB_DEVICE(0x093a, 0x2468)}, | |
520 | {USB_DEVICE(0x093a, 0x2470)}, | |
521 | {USB_DEVICE(0x093a, 0x2471)}, | |
522 | {USB_DEVICE(0x093a, 0x2472)}, | |
db91235e | 523 | {USB_DEVICE(0x093a, 0x2474)}, |
d654dca7 | 524 | {USB_DEVICE(0x093a, 0x2476)}, |
91711874 | 525 | {USB_DEVICE(0x145f, 0x013a)}, |
9d64fdb1 | 526 | {USB_DEVICE(0x2001, 0xf115)}, |
e2997a72 HG |
527 | {} |
528 | }; | |
529 | MODULE_DEVICE_TABLE(usb, device_table); | |
530 | ||
531 | /* -- device connect -- */ | |
532 | static int sd_probe(struct usb_interface *intf, | |
533 | const struct usb_device_id *id) | |
534 | { | |
d43fa32f JFM |
535 | return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), |
536 | THIS_MODULE); | |
e2997a72 HG |
537 | } |
538 | ||
539 | static struct usb_driver sd_driver = { | |
540 | .name = MODULE_NAME, | |
541 | .id_table = device_table, | |
542 | .probe = sd_probe, | |
543 | .disconnect = gspca_disconnect, | |
6a709749 JFM |
544 | #ifdef CONFIG_PM |
545 | .suspend = gspca_suspend, | |
546 | .resume = gspca_resume, | |
547 | #endif | |
e2997a72 HG |
548 | }; |
549 | ||
550 | /* -- module insert / remove -- */ | |
551 | static int __init sd_mod_init(void) | |
552 | { | |
f69e9529 AK |
553 | int ret; |
554 | ret = usb_register(&sd_driver); | |
555 | if (ret < 0) | |
e6b14849 | 556 | return ret; |
903e10aa | 557 | PDEBUG(D_PROBE, "registered"); |
e2997a72 HG |
558 | return 0; |
559 | } | |
560 | static void __exit sd_mod_exit(void) | |
561 | { | |
562 | usb_deregister(&sd_driver); | |
563 | PDEBUG(D_PROBE, "deregistered"); | |
564 | } | |
565 | ||
566 | module_init(sd_mod_init); | |
567 | module_exit(sd_mod_exit); |