xref: /openbmc/linux/drivers/media/usb/gspca/sn9c2028.c (revision a06c488d)
1 /*
2  * SN9C2028 library
3  *
4  * Copyright (C) 2009 Theodore Kilgore <kilgota@auburn.edu>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  */
20 
21 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
22 
23 #define MODULE_NAME "sn9c2028"
24 
25 #include "gspca.h"
26 
27 MODULE_AUTHOR("Theodore Kilgore");
28 MODULE_DESCRIPTION("Sonix SN9C2028 USB Camera Driver");
29 MODULE_LICENSE("GPL");
30 
31 /* specific webcam descriptor */
32 struct sd {
33 	struct gspca_dev gspca_dev;  /* !! must be the first item */
34 	u8 sof_read;
35 	u16 model;
36 
37 #define MIN_AVG_LUM 8500
38 #define MAX_AVG_LUM 10000
39 	int avg_lum;
40 	u8 avg_lum_l;
41 
42 	struct { /* autogain and gain control cluster */
43 		struct v4l2_ctrl *autogain;
44 		struct v4l2_ctrl *gain;
45 	};
46 };
47 
48 struct init_command {
49 	unsigned char instruction[6];
50 	unsigned char to_read; /* length to read. 0 means no reply requested */
51 };
52 
53 /* How to change the resolution of any of the VGA cams is unknown */
54 static const struct v4l2_pix_format vga_mode[] = {
55 	{640, 480, V4L2_PIX_FMT_SN9C2028, V4L2_FIELD_NONE,
56 		.bytesperline = 640,
57 		.sizeimage = 640 * 480 * 3 / 4,
58 		.colorspace = V4L2_COLORSPACE_SRGB,
59 		.priv = 0},
60 };
61 
62 /* No way to change the resolution of the CIF cams is known */
63 static const struct v4l2_pix_format cif_mode[] = {
64 	{352, 288, V4L2_PIX_FMT_SN9C2028, V4L2_FIELD_NONE,
65 		.bytesperline = 352,
66 		.sizeimage = 352 * 288 * 3 / 4,
67 		.colorspace = V4L2_COLORSPACE_SRGB,
68 		.priv = 0},
69 };
70 
71 /* the bytes to write are in gspca_dev->usb_buf */
72 static int sn9c2028_command(struct gspca_dev *gspca_dev, u8 *command)
73 {
74 	int rc;
75 
76 	PDEBUG(D_USBO, "sending command %02x%02x%02x%02x%02x%02x", command[0],
77 	       command[1], command[2], command[3], command[4], command[5]);
78 
79 	memcpy(gspca_dev->usb_buf, command, 6);
80 	rc = usb_control_msg(gspca_dev->dev,
81 			usb_sndctrlpipe(gspca_dev->dev, 0),
82 			USB_REQ_GET_CONFIGURATION,
83 			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
84 			2, 0, gspca_dev->usb_buf, 6, 500);
85 	if (rc < 0) {
86 		pr_err("command write [%02x] error %d\n",
87 		       gspca_dev->usb_buf[0], rc);
88 		return rc;
89 	}
90 
91 	return 0;
92 }
93 
94 static int sn9c2028_read1(struct gspca_dev *gspca_dev)
95 {
96 	int rc;
97 
98 	rc = usb_control_msg(gspca_dev->dev,
99 			usb_rcvctrlpipe(gspca_dev->dev, 0),
100 			USB_REQ_GET_STATUS,
101 			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
102 			1, 0, gspca_dev->usb_buf, 1, 500);
103 	if (rc != 1) {
104 		pr_err("read1 error %d\n", rc);
105 		return (rc < 0) ? rc : -EIO;
106 	}
107 	PDEBUG(D_USBI, "read1 response %02x", gspca_dev->usb_buf[0]);
108 	return gspca_dev->usb_buf[0];
109 }
110 
111 static int sn9c2028_read4(struct gspca_dev *gspca_dev, u8 *reading)
112 {
113 	int rc;
114 	rc = usb_control_msg(gspca_dev->dev,
115 			usb_rcvctrlpipe(gspca_dev->dev, 0),
116 			USB_REQ_GET_STATUS,
117 			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
118 			4, 0, gspca_dev->usb_buf, 4, 500);
119 	if (rc != 4) {
120 		pr_err("read4 error %d\n", rc);
121 		return (rc < 0) ? rc : -EIO;
122 	}
123 	memcpy(reading, gspca_dev->usb_buf, 4);
124 	PDEBUG(D_USBI, "read4 response %02x%02x%02x%02x", reading[0],
125 	       reading[1], reading[2], reading[3]);
126 	return rc;
127 }
128 
129 static int sn9c2028_long_command(struct gspca_dev *gspca_dev, u8 *command)
130 {
131 	int i, status;
132 	__u8 reading[4];
133 
134 	status = sn9c2028_command(gspca_dev, command);
135 	if (status < 0)
136 		return status;
137 
138 	status = -1;
139 	for (i = 0; i < 256 && status < 2; i++)
140 		status = sn9c2028_read1(gspca_dev);
141 	if (status < 0) {
142 		pr_err("long command status read error %d\n", status);
143 		return status;
144 	}
145 
146 	memset(reading, 0, 4);
147 	status = sn9c2028_read4(gspca_dev, reading);
148 	if (status < 0)
149 		return status;
150 
151 	/* in general, the first byte of the response is the first byte of
152 	 * the command, or'ed with 8 */
153 	status = sn9c2028_read1(gspca_dev);
154 	if (status < 0)
155 		return status;
156 
157 	return 0;
158 }
159 
160 static int sn9c2028_short_command(struct gspca_dev *gspca_dev, u8 *command)
161 {
162 	int err_code;
163 
164 	err_code = sn9c2028_command(gspca_dev, command);
165 	if (err_code < 0)
166 		return err_code;
167 
168 	err_code = sn9c2028_read1(gspca_dev);
169 	if (err_code < 0)
170 		return err_code;
171 
172 	return 0;
173 }
174 
175 /* this function is called at probe time */
176 static int sd_config(struct gspca_dev *gspca_dev,
177 		     const struct usb_device_id *id)
178 {
179 	struct sd *sd = (struct sd *) gspca_dev;
180 	struct cam *cam = &gspca_dev->cam;
181 
182 	PDEBUG(D_PROBE, "SN9C2028 camera detected (vid/pid 0x%04X:0x%04X)",
183 	       id->idVendor, id->idProduct);
184 
185 	sd->model = id->idProduct;
186 
187 	switch (sd->model) {
188 	case 0x7005:
189 		PDEBUG(D_PROBE, "Genius Smart 300 camera");
190 		break;
191 	case 0x7003:
192 		PDEBUG(D_PROBE, "Genius Videocam Live v2");
193 		break;
194 	case 0x8000:
195 		PDEBUG(D_PROBE, "DC31VC");
196 		break;
197 	case 0x8001:
198 		PDEBUG(D_PROBE, "Spy camera");
199 		break;
200 	case 0x8003:
201 		PDEBUG(D_PROBE, "CIF camera");
202 		break;
203 	case 0x8008:
204 		PDEBUG(D_PROBE, "Mini-Shotz ms-350 camera");
205 		break;
206 	case 0x800a:
207 		PDEBUG(D_PROBE, "Vivitar 3350b type camera");
208 		cam->input_flags = V4L2_IN_ST_VFLIP | V4L2_IN_ST_HFLIP;
209 		break;
210 	}
211 
212 	switch (sd->model) {
213 	case 0x8000:
214 	case 0x8001:
215 	case 0x8003:
216 		cam->cam_mode = cif_mode;
217 		cam->nmodes = ARRAY_SIZE(cif_mode);
218 		break;
219 	default:
220 		cam->cam_mode = vga_mode;
221 		cam->nmodes = ARRAY_SIZE(vga_mode);
222 	}
223 	return 0;
224 }
225 
226 /* this function is called at probe and resume time */
227 static int sd_init(struct gspca_dev *gspca_dev)
228 {
229 	int status = -1;
230 
231 	sn9c2028_read1(gspca_dev);
232 	sn9c2028_read1(gspca_dev);
233 	status = sn9c2028_read1(gspca_dev);
234 
235 	return (status < 0) ? status : 0;
236 }
237 
238 static int run_start_commands(struct gspca_dev *gspca_dev,
239 			      struct init_command *cam_commands, int n)
240 {
241 	int i, err_code = -1;
242 
243 	for (i = 0; i < n; i++) {
244 		switch (cam_commands[i].to_read) {
245 		case 4:
246 			err_code = sn9c2028_long_command(gspca_dev,
247 					cam_commands[i].instruction);
248 			break;
249 		case 1:
250 			err_code = sn9c2028_short_command(gspca_dev,
251 					cam_commands[i].instruction);
252 			break;
253 		case 0:
254 			err_code = sn9c2028_command(gspca_dev,
255 					cam_commands[i].instruction);
256 			break;
257 		}
258 		if (err_code < 0)
259 			return err_code;
260 	}
261 	return 0;
262 }
263 
264 static void set_gain(struct gspca_dev *gspca_dev, s32 g)
265 {
266 	struct sd *sd = (struct sd *) gspca_dev;
267 
268 	struct init_command genius_vcam_live_gain_cmds[] = {
269 		{{0x1d, 0x25, 0x10 /* This byte is gain */,
270 		  0x20, 0xab, 0x00}, 0},
271 	};
272 	if (!gspca_dev->streaming)
273 		return;
274 
275 	switch (sd->model) {
276 	case 0x7003:
277 		genius_vcam_live_gain_cmds[0].instruction[2] = g;
278 		run_start_commands(gspca_dev, genius_vcam_live_gain_cmds,
279 				   ARRAY_SIZE(genius_vcam_live_gain_cmds));
280 		break;
281 	default:
282 		break;
283 	}
284 }
285 
286 static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
287 {
288 	struct gspca_dev *gspca_dev =
289 		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
290 	struct sd *sd = (struct sd *)gspca_dev;
291 
292 	gspca_dev->usb_err = 0;
293 
294 	if (!gspca_dev->streaming)
295 		return 0;
296 
297 	switch (ctrl->id) {
298 	/* standalone gain control */
299 	case V4L2_CID_GAIN:
300 		set_gain(gspca_dev, ctrl->val);
301 		break;
302 	/* autogain */
303 	case V4L2_CID_AUTOGAIN:
304 		set_gain(gspca_dev, sd->gain->val);
305 		break;
306 	}
307 	return gspca_dev->usb_err;
308 }
309 
310 static const struct v4l2_ctrl_ops sd_ctrl_ops = {
311 	.s_ctrl = sd_s_ctrl,
312 };
313 
314 
315 static int sd_init_controls(struct gspca_dev *gspca_dev)
316 {
317 	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
318 	struct sd *sd = (struct sd *)gspca_dev;
319 
320 	gspca_dev->vdev.ctrl_handler = hdl;
321 	v4l2_ctrl_handler_init(hdl, 2);
322 
323 	switch (sd->model) {
324 	case 0x7003:
325 		sd->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
326 			V4L2_CID_GAIN, 0, 20, 1, 0);
327 		sd->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
328 			V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
329 		break;
330 	default:
331 		break;
332 	}
333 
334 	return 0;
335 }
336 static int start_spy_cam(struct gspca_dev *gspca_dev)
337 {
338 	struct init_command spy_start_commands[] = {
339 		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
340 		{{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
341 		{{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
342 		{{0x13, 0x22, 0x01, 0x04, 0x00, 0x00}, 4},
343 		{{0x13, 0x23, 0x01, 0x03, 0x00, 0x00}, 4},
344 		{{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
345 		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4}, /* width  352 */
346 		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4}, /* height 288 */
347 		/* {{0x13, 0x27, 0x01, 0x28, 0x00, 0x00}, 4}, */
348 		{{0x13, 0x27, 0x01, 0x68, 0x00, 0x00}, 4},
349 		{{0x13, 0x28, 0x01, 0x09, 0x00, 0x00}, 4}, /* red gain ?*/
350 		/* {{0x13, 0x28, 0x01, 0x00, 0x00, 0x00}, 4}, */
351 		{{0x13, 0x29, 0x01, 0x00, 0x00, 0x00}, 4},
352 		/* {{0x13, 0x29, 0x01, 0x0c, 0x00, 0x00}, 4}, */
353 		{{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
354 		{{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
355 		/* {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4}, */
356 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
357 		{{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4},
358 		/* {{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4}, */
359 		{{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4},
360 		{{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4},
361 		{{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
362 		{{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
363 		{{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},
364 		{{0x11, 0x02, 0x06, 0x00, 0x00, 0x00}, 4},
365 		{{0x11, 0x03, 0x13, 0x00, 0x00, 0x00}, 4}, /*don't mess with*/
366 		/*{{0x11, 0x04, 0x06, 0x00, 0x00, 0x00}, 4}, observed */
367 		{{0x11, 0x04, 0x00, 0x00, 0x00, 0x00}, 4}, /* brighter */
368 		/*{{0x11, 0x05, 0x65, 0x00, 0x00, 0x00}, 4}, observed */
369 		{{0x11, 0x05, 0x00, 0x00, 0x00, 0x00}, 4}, /* brighter */
370 		{{0x11, 0x06, 0xb1, 0x00, 0x00, 0x00}, 4}, /* observed */
371 		{{0x11, 0x07, 0x00, 0x00, 0x00, 0x00}, 4},
372 		/*{{0x11, 0x08, 0x06, 0x00, 0x00, 0x00}, 4}, observed */
373 		{{0x11, 0x08, 0x0b, 0x00, 0x00, 0x00}, 4},
374 		{{0x11, 0x09, 0x01, 0x00, 0x00, 0x00}, 4},
375 		{{0x11, 0x0a, 0x01, 0x00, 0x00, 0x00}, 4},
376 		{{0x11, 0x0b, 0x01, 0x00, 0x00, 0x00}, 4},
377 		{{0x11, 0x0c, 0x01, 0x00, 0x00, 0x00}, 4},
378 		{{0x11, 0x0d, 0x00, 0x00, 0x00, 0x00}, 4},
379 		{{0x11, 0x0e, 0x04, 0x00, 0x00, 0x00}, 4},
380 		/* {{0x11, 0x0f, 0x00, 0x00, 0x00, 0x00}, 4}, */
381 		/* brightness or gain. 0 is default. 4 is good
382 		 * indoors at night with incandescent lighting */
383 		{{0x11, 0x0f, 0x04, 0x00, 0x00, 0x00}, 4},
384 		{{0x11, 0x10, 0x06, 0x00, 0x00, 0x00}, 4}, /*hstart or hoffs*/
385 		{{0x11, 0x11, 0x06, 0x00, 0x00, 0x00}, 4},
386 		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
387 		{{0x11, 0x14, 0x02, 0x00, 0x00, 0x00}, 4},
388 		{{0x11, 0x13, 0x01, 0x00, 0x00, 0x00}, 4},
389 		/* {{0x1b, 0x02, 0x06, 0x00, 0x00, 0x00}, 1}, observed */
390 		{{0x1b, 0x02, 0x11, 0x00, 0x00, 0x00}, 1}, /* brighter */
391 		/* {{0x1b, 0x13, 0x01, 0x00, 0x00, 0x00}, 1}, observed */
392 		{{0x1b, 0x13, 0x11, 0x00, 0x00, 0x00}, 1},
393 		{{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 1}, /* compresses */
394 		/* Camera should start to capture now. */
395 	};
396 
397 	return run_start_commands(gspca_dev, spy_start_commands,
398 				  ARRAY_SIZE(spy_start_commands));
399 }
400 
401 static int start_cif_cam(struct gspca_dev *gspca_dev)
402 {
403 	struct init_command cif_start_commands[] = {
404 		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
405 		/* The entire sequence below seems redundant */
406 		/* {{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
407 		{{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
408 		{{0x13, 0x22, 0x01, 0x06, 0x00, 0x00}, 4},
409 		{{0x13, 0x23, 0x01, 0x02, 0x00, 0x00}, 4},
410 		{{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
411 		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4}, width?
412 		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4}, height?
413 		{{0x13, 0x27, 0x01, 0x68, 0x00, 0x00}, 4}, subsample?
414 		{{0x13, 0x28, 0x01, 0x00, 0x00, 0x00}, 4},
415 		{{0x13, 0x29, 0x01, 0x20, 0x00, 0x00}, 4},
416 		{{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
417 		{{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
418 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
419 		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
420 		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
421 		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
422 		{{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
423 		{{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
424 		{{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},*/
425 		{{0x1b, 0x21, 0x00, 0x00, 0x00, 0x00}, 1},
426 		{{0x1b, 0x17, 0x00, 0x00, 0x00, 0x00}, 1},
427 		{{0x1b, 0x19, 0x00, 0x00, 0x00, 0x00}, 1},
428 		{{0x1b, 0x02, 0x06, 0x00, 0x00, 0x00}, 1},
429 		{{0x1b, 0x03, 0x5a, 0x00, 0x00, 0x00}, 1},
430 		{{0x1b, 0x04, 0x27, 0x00, 0x00, 0x00}, 1},
431 		{{0x1b, 0x05, 0x01, 0x00, 0x00, 0x00}, 1},
432 		{{0x1b, 0x12, 0x14, 0x00, 0x00, 0x00}, 1},
433 		{{0x1b, 0x13, 0x00, 0x00, 0x00, 0x00}, 1},
434 		{{0x1b, 0x14, 0x00, 0x00, 0x00, 0x00}, 1},
435 		{{0x1b, 0x15, 0x00, 0x00, 0x00, 0x00}, 1},
436 		{{0x1b, 0x16, 0x00, 0x00, 0x00, 0x00}, 1},
437 		{{0x1b, 0x77, 0xa2, 0x00, 0x00, 0x00}, 1},
438 		{{0x1b, 0x06, 0x0f, 0x00, 0x00, 0x00}, 1},
439 		{{0x1b, 0x07, 0x14, 0x00, 0x00, 0x00}, 1},
440 		{{0x1b, 0x08, 0x0f, 0x00, 0x00, 0x00}, 1},
441 		{{0x1b, 0x09, 0x10, 0x00, 0x00, 0x00}, 1},
442 		{{0x1b, 0x0e, 0x00, 0x00, 0x00, 0x00}, 1},
443 		{{0x1b, 0x0f, 0x00, 0x00, 0x00, 0x00}, 1},
444 		{{0x1b, 0x12, 0x07, 0x00, 0x00, 0x00}, 1},
445 		{{0x1b, 0x10, 0x1f, 0x00, 0x00, 0x00}, 1},
446 		{{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 1},
447 		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 1}, /* width/8 */
448 		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 1}, /* height/8 */
449 		/* {{0x13, 0x27, 0x01, 0x68, 0x00, 0x00}, 4}, subsample?
450 		 * {{0x13, 0x28, 0x01, 0x1e, 0x00, 0x00}, 4}, does nothing
451 		 * {{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4}, */
452 		/* {{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4},
453 		 * causes subsampling
454 		 * but not a change in the resolution setting! */
455 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
456 		{{0x13, 0x2d, 0x01, 0x01, 0x00, 0x00}, 4},
457 		{{0x13, 0x2e, 0x01, 0x08, 0x00, 0x00}, 4},
458 		{{0x13, 0x2f, 0x01, 0x06, 0x00, 0x00}, 4},
459 		{{0x13, 0x28, 0x01, 0x00, 0x00, 0x00}, 4},
460 		{{0x1b, 0x04, 0x6d, 0x00, 0x00, 0x00}, 1},
461 		{{0x1b, 0x05, 0x03, 0x00, 0x00, 0x00}, 1},
462 		{{0x20, 0x36, 0x06, 0x00, 0x00, 0x00}, 1},
463 		{{0x1b, 0x0e, 0x01, 0x00, 0x00, 0x00}, 1},
464 		{{0x12, 0x27, 0x01, 0x00, 0x00, 0x00}, 4},
465 		{{0x1b, 0x0f, 0x00, 0x00, 0x00, 0x00}, 1},
466 		{{0x20, 0x36, 0x05, 0x00, 0x00, 0x00}, 1},
467 		{{0x1b, 0x10, 0x0f, 0x00, 0x00, 0x00}, 1},
468 		{{0x1b, 0x02, 0x06, 0x00, 0x00, 0x00}, 1},
469 		{{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 1},
470 		{{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 1},/* use compression */
471 		/* Camera should start to capture now. */
472 	};
473 
474 	return run_start_commands(gspca_dev, cif_start_commands,
475 				  ARRAY_SIZE(cif_start_commands));
476 }
477 
478 static int start_ms350_cam(struct gspca_dev *gspca_dev)
479 {
480 	struct init_command ms350_start_commands[] = {
481 		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
482 		{{0x16, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
483 		{{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
484 		{{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
485 		{{0x13, 0x22, 0x01, 0x04, 0x00, 0x00}, 4},
486 		{{0x13, 0x23, 0x01, 0x03, 0x00, 0x00}, 4},
487 		{{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
488 		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4},
489 		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4},
490 		{{0x13, 0x27, 0x01, 0x28, 0x00, 0x00}, 4},
491 		{{0x13, 0x28, 0x01, 0x09, 0x00, 0x00}, 4},
492 		{{0x13, 0x29, 0x01, 0x00, 0x00, 0x00}, 4},
493 		{{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
494 		{{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
495 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
496 		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
497 		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
498 		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
499 		{{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
500 		{{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
501 		{{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},
502 		{{0x11, 0x00, 0x01, 0x00, 0x00, 0x00}, 4},
503 		{{0x11, 0x01, 0x70, 0x00, 0x00, 0x00}, 4},
504 		{{0x11, 0x02, 0x05, 0x00, 0x00, 0x00}, 4},
505 		{{0x11, 0x03, 0x5d, 0x00, 0x00, 0x00}, 4},
506 		{{0x11, 0x04, 0x07, 0x00, 0x00, 0x00}, 4},
507 		{{0x11, 0x05, 0x25, 0x00, 0x00, 0x00}, 4},
508 		{{0x11, 0x06, 0x00, 0x00, 0x00, 0x00}, 4},
509 		{{0x11, 0x07, 0x09, 0x00, 0x00, 0x00}, 4},
510 		{{0x11, 0x08, 0x01, 0x00, 0x00, 0x00}, 4},
511 		{{0x11, 0x09, 0x00, 0x00, 0x00, 0x00}, 4},
512 		{{0x11, 0x0a, 0x00, 0x00, 0x00, 0x00}, 4},
513 		{{0x11, 0x0b, 0x01, 0x00, 0x00, 0x00}, 4},
514 		{{0x11, 0x0c, 0x00, 0x00, 0x00, 0x00}, 4},
515 		{{0x11, 0x0d, 0x0c, 0x00, 0x00, 0x00}, 4},
516 		{{0x11, 0x0e, 0x01, 0x00, 0x00, 0x00}, 4},
517 		{{0x11, 0x0f, 0x00, 0x00, 0x00, 0x00}, 4},
518 		{{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
519 		{{0x11, 0x11, 0x00, 0x00, 0x00, 0x00}, 4},
520 		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
521 		{{0x11, 0x13, 0x63, 0x00, 0x00, 0x00}, 4},
522 		{{0x11, 0x15, 0x70, 0x00, 0x00, 0x00}, 4},
523 		{{0x11, 0x18, 0x00, 0x00, 0x00, 0x00}, 4},
524 		{{0x11, 0x11, 0x01, 0x00, 0x00, 0x00}, 4},
525 		{{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4}, /* width  */
526 		{{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4}, /* height */
527 		{{0x13, 0x28, 0x01, 0x09, 0x00, 0x00}, 4}, /* vstart? */
528 		{{0x13, 0x27, 0x01, 0x28, 0x00, 0x00}, 4},
529 		{{0x13, 0x29, 0x01, 0x40, 0x00, 0x00}, 4}, /* hstart? */
530 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
531 		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
532 		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
533 		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
534 		{{0x1b, 0x02, 0x05, 0x00, 0x00, 0x00}, 1},
535 		{{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 1},
536 		{{0x20, 0x18, 0x00, 0x00, 0x00, 0x00}, 1},
537 		{{0x1b, 0x02, 0x0a, 0x00, 0x00, 0x00}, 1},
538 		{{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 0},
539 		/* Camera should start to capture now. */
540 	};
541 
542 	return run_start_commands(gspca_dev, ms350_start_commands,
543 				  ARRAY_SIZE(ms350_start_commands));
544 }
545 
546 static int start_genius_cam(struct gspca_dev *gspca_dev)
547 {
548 	struct init_command genius_start_commands[] = {
549 		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
550 		{{0x16, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
551 		{{0x10, 0x00, 0x00, 0x00, 0x00, 0x00}, 4},
552 		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4},
553 		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4},
554 		/* "preliminary" width and height settings */
555 		{{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4},
556 		{{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
557 		{{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4},
558 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
559 		{{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4},
560 		{{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4},
561 		{{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4},
562 		{{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
563 		{{0x11, 0x21, 0x2d, 0x00, 0x00, 0x00}, 4},
564 		{{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
565 		{{0x11, 0x23, 0x03, 0x00, 0x00, 0x00}, 4},
566 		{{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
567 		{{0x11, 0x11, 0x64, 0x00, 0x00, 0x00}, 4},
568 		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
569 		{{0x11, 0x13, 0x91, 0x00, 0x00, 0x00}, 4},
570 		{{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4},
571 		{{0x11, 0x15, 0x20, 0x00, 0x00, 0x00}, 4},
572 		{{0x11, 0x16, 0x01, 0x00, 0x00, 0x00}, 4},
573 		{{0x11, 0x17, 0x60, 0x00, 0x00, 0x00}, 4},
574 		{{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
575 		{{0x11, 0x21, 0x2d, 0x00, 0x00, 0x00}, 4},
576 		{{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
577 		{{0x11, 0x23, 0x03, 0x00, 0x00, 0x00}, 4},
578 		{{0x11, 0x25, 0x00, 0x00, 0x00, 0x00}, 4},
579 		{{0x11, 0x26, 0x02, 0x00, 0x00, 0x00}, 4},
580 		{{0x11, 0x27, 0x88, 0x00, 0x00, 0x00}, 4},
581 		{{0x11, 0x30, 0x38, 0x00, 0x00, 0x00}, 4},
582 		{{0x11, 0x31, 0x2a, 0x00, 0x00, 0x00}, 4},
583 		{{0x11, 0x32, 0x2a, 0x00, 0x00, 0x00}, 4},
584 		{{0x11, 0x33, 0x2a, 0x00, 0x00, 0x00}, 4},
585 		{{0x11, 0x34, 0x02, 0x00, 0x00, 0x00}, 4},
586 		{{0x11, 0x5b, 0x0a, 0x00, 0x00, 0x00}, 4},
587 		{{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4}, /* real width */
588 		{{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4}, /* real height */
589 		{{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4},
590 		{{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
591 		{{0x13, 0x29, 0x01, 0x62, 0x00, 0x00}, 4},
592 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
593 		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
594 		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
595 		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
596 		{{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
597 		{{0x11, 0x21, 0x2a, 0x00, 0x00, 0x00}, 4},
598 		{{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
599 		{{0x11, 0x23, 0x28, 0x00, 0x00, 0x00}, 4},
600 		{{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
601 		{{0x11, 0x11, 0x04, 0x00, 0x00, 0x00}, 4},
602 		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
603 		{{0x11, 0x13, 0x03, 0x00, 0x00, 0x00}, 4},
604 		{{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4},
605 		{{0x11, 0x15, 0xe0, 0x00, 0x00, 0x00}, 4},
606 		{{0x11, 0x16, 0x02, 0x00, 0x00, 0x00}, 4},
607 		{{0x11, 0x17, 0x80, 0x00, 0x00, 0x00}, 4},
608 		{{0x1c, 0x20, 0x00, 0x2a, 0x00, 0x00}, 1},
609 		{{0x1c, 0x20, 0x00, 0x2a, 0x00, 0x00}, 1},
610 		{{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 0}
611 		/* Camera should start to capture now. */
612 	};
613 
614 	return run_start_commands(gspca_dev, genius_start_commands,
615 				  ARRAY_SIZE(genius_start_commands));
616 }
617 
618 static int start_genius_videocam_live(struct gspca_dev *gspca_dev)
619 {
620 	int r;
621 	struct sd *sd = (struct sd *) gspca_dev;
622 	struct init_command genius_vcam_live_start_commands[] = {
623 		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 0},
624 		{{0x16, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
625 		{{0x10, 0x00, 0x00, 0x00, 0x00, 0x00}, 4},
626 		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4},
627 		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4},
628 
629 		{{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4},
630 		{{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
631 		{{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4},
632 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
633 		{{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4},
634 		{{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4},
635 		{{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4},
636 		{{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
637 		{{0x11, 0x21, 0x2d, 0x00, 0x00, 0x00}, 4},
638 		{{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
639 		{{0x11, 0x23, 0x03, 0x00, 0x00, 0x00}, 4},
640 		{{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
641 		{{0x11, 0x11, 0x64, 0x00, 0x00, 0x00}, 4},
642 		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
643 		{{0x11, 0x13, 0x91, 0x00, 0x00, 0x00}, 4},
644 		{{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4},
645 		{{0x11, 0x15, 0x20, 0x00, 0x00, 0x00}, 4},
646 		{{0x11, 0x16, 0x01, 0x00, 0x00, 0x00}, 4},
647 		{{0x11, 0x17, 0x60, 0x00, 0x00, 0x00}, 4},
648 		{{0x1c, 0x20, 0x00, 0x2d, 0x00, 0x00}, 4},
649 		{{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
650 		{{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
651 		{{0x13, 0x22, 0x01, 0x00, 0x00, 0x00}, 4},
652 		{{0x13, 0x23, 0x01, 0x01, 0x00, 0x00}, 4},
653 		{{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
654 		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4},
655 		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4},
656 		{{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
657 		{{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4},
658 		{{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4},
659 		{{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
660 		{{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
661 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
662 		{{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4},
663 		{{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4},
664 		{{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4},
665 		{{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
666 		{{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
667 		{{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},
668 		{{0x11, 0x01, 0x04, 0x00, 0x00, 0x00}, 4},
669 		{{0x11, 0x02, 0x92, 0x00, 0x00, 0x00}, 4},
670 		{{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
671 		{{0x11, 0x11, 0x64, 0x00, 0x00, 0x00}, 4},
672 		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
673 		{{0x11, 0x13, 0x91, 0x00, 0x00, 0x00}, 4},
674 		{{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4},
675 		{{0x11, 0x15, 0x20, 0x00, 0x00, 0x00}, 4},
676 		{{0x11, 0x16, 0x01, 0x00, 0x00, 0x00}, 4},
677 		{{0x11, 0x17, 0x60, 0x00, 0x00, 0x00}, 4},
678 		{{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
679 		{{0x11, 0x21, 0x2d, 0x00, 0x00, 0x00}, 4},
680 		{{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
681 		{{0x11, 0x23, 0x03, 0x00, 0x00, 0x00}, 4},
682 		{{0x11, 0x25, 0x00, 0x00, 0x00, 0x00}, 4},
683 		{{0x11, 0x26, 0x02, 0x00, 0x00, 0x00}, 4},
684 		{{0x11, 0x27, 0x88, 0x00, 0x00, 0x00}, 4},
685 		{{0x11, 0x30, 0x38, 0x00, 0x00, 0x00}, 4},
686 		{{0x11, 0x31, 0x2a, 0x00, 0x00, 0x00}, 4},
687 		{{0x11, 0x32, 0x2a, 0x00, 0x00, 0x00}, 4},
688 		{{0x11, 0x33, 0x2a, 0x00, 0x00, 0x00}, 4},
689 		{{0x11, 0x34, 0x02, 0x00, 0x00, 0x00}, 4},
690 		{{0x11, 0x5b, 0x0a, 0x00, 0x00, 0x00}, 4},
691 		{{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4},
692 		{{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4},
693 		{{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4},
694 		{{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
695 		{{0x13, 0x29, 0x01, 0x62, 0x00, 0x00}, 4},
696 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
697 		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
698 		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
699 		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
700 		{{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
701 		{{0x11, 0x21, 0x2a, 0x00, 0x00, 0x00}, 4},
702 		{{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
703 		{{0x11, 0x23, 0x28, 0x00, 0x00, 0x00}, 4},
704 		{{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
705 		{{0x11, 0x11, 0x04, 0x00, 0x00, 0x00}, 4},
706 		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
707 		{{0x11, 0x13, 0x03, 0x00, 0x00, 0x00}, 4},
708 		{{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4},
709 		{{0x11, 0x15, 0xe0, 0x00, 0x00, 0x00}, 4},
710 		{{0x11, 0x16, 0x02, 0x00, 0x00, 0x00}, 4},
711 		{{0x11, 0x17, 0x80, 0x00, 0x00, 0x00}, 4},
712 		{{0x1c, 0x20, 0x00, 0x2a, 0x00, 0x00}, 1},
713 		{{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 0},
714 		/* Camera should start to capture now. */
715 		{{0x12, 0x27, 0x01, 0x00, 0x00, 0x00}, 0},
716 		{{0x1b, 0x32, 0x26, 0x00, 0x00, 0x00}, 0},
717 		{{0x1d, 0x25, 0x10, 0x20, 0xab, 0x00}, 0},
718 	};
719 
720 	r = run_start_commands(gspca_dev, genius_vcam_live_start_commands,
721 				  ARRAY_SIZE(genius_vcam_live_start_commands));
722 	if (r < 0)
723 		return r;
724 
725 	if (sd->gain)
726 		set_gain(gspca_dev, v4l2_ctrl_g_ctrl(sd->gain));
727 
728 	return r;
729 }
730 
731 static int start_vivitar_cam(struct gspca_dev *gspca_dev)
732 {
733 	struct init_command vivitar_start_commands[] = {
734 		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
735 		{{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
736 		{{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
737 		{{0x13, 0x22, 0x01, 0x01, 0x00, 0x00}, 4},
738 		{{0x13, 0x23, 0x01, 0x01, 0x00, 0x00}, 4},
739 		{{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
740 		{{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4},
741 		{{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4},
742 		{{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
743 		{{0x13, 0x28, 0x01, 0x0a, 0x00, 0x00}, 4},
744 		/*
745 		 * Above is changed from OEM 0x0b. Fixes Bayer tiling.
746 		 * Presumably gives a vertical shift of one row.
747 		 */
748 		{{0x13, 0x29, 0x01, 0x20, 0x00, 0x00}, 4},
749 		/* Above seems to do horizontal shift. */
750 		{{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
751 		{{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
752 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
753 		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
754 		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
755 		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
756 		/* Above three commands seem to relate to brightness. */
757 		{{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
758 		{{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
759 		{{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},
760 		{{0x1b, 0x12, 0x80, 0x00, 0x00, 0x00}, 1},
761 		{{0x1b, 0x01, 0x77, 0x00, 0x00, 0x00}, 1},
762 		{{0x1b, 0x02, 0x3a, 0x00, 0x00, 0x00}, 1},
763 		{{0x1b, 0x12, 0x78, 0x00, 0x00, 0x00}, 1},
764 		{{0x1b, 0x13, 0x00, 0x00, 0x00, 0x00}, 1},
765 		{{0x1b, 0x14, 0x80, 0x00, 0x00, 0x00}, 1},
766 		{{0x1b, 0x15, 0x34, 0x00, 0x00, 0x00}, 1},
767 		{{0x1b, 0x1b, 0x04, 0x00, 0x00, 0x00}, 1},
768 		{{0x1b, 0x20, 0x44, 0x00, 0x00, 0x00}, 1},
769 		{{0x1b, 0x23, 0xee, 0x00, 0x00, 0x00}, 1},
770 		{{0x1b, 0x26, 0xa0, 0x00, 0x00, 0x00}, 1},
771 		{{0x1b, 0x27, 0x9a, 0x00, 0x00, 0x00}, 1},
772 		{{0x1b, 0x28, 0xa0, 0x00, 0x00, 0x00}, 1},
773 		{{0x1b, 0x29, 0x30, 0x00, 0x00, 0x00}, 1},
774 		{{0x1b, 0x2a, 0x80, 0x00, 0x00, 0x00}, 1},
775 		{{0x1b, 0x2b, 0x00, 0x00, 0x00, 0x00}, 1},
776 		{{0x1b, 0x2f, 0x3d, 0x00, 0x00, 0x00}, 1},
777 		{{0x1b, 0x30, 0x24, 0x00, 0x00, 0x00}, 1},
778 		{{0x1b, 0x32, 0x86, 0x00, 0x00, 0x00}, 1},
779 		{{0x1b, 0x60, 0xa9, 0x00, 0x00, 0x00}, 1},
780 		{{0x1b, 0x61, 0x42, 0x00, 0x00, 0x00}, 1},
781 		{{0x1b, 0x65, 0x00, 0x00, 0x00, 0x00}, 1},
782 		{{0x1b, 0x69, 0x38, 0x00, 0x00, 0x00}, 1},
783 		{{0x1b, 0x6f, 0x88, 0x00, 0x00, 0x00}, 1},
784 		{{0x1b, 0x70, 0x0b, 0x00, 0x00, 0x00}, 1},
785 		{{0x1b, 0x71, 0x00, 0x00, 0x00, 0x00}, 1},
786 		{{0x1b, 0x74, 0x21, 0x00, 0x00, 0x00}, 1},
787 		{{0x1b, 0x75, 0x86, 0x00, 0x00, 0x00}, 1},
788 		{{0x1b, 0x76, 0x00, 0x00, 0x00, 0x00}, 1},
789 		{{0x1b, 0x7d, 0xf3, 0x00, 0x00, 0x00}, 1},
790 		{{0x1b, 0x17, 0x1c, 0x00, 0x00, 0x00}, 1},
791 		{{0x1b, 0x18, 0xc0, 0x00, 0x00, 0x00}, 1},
792 		{{0x1b, 0x19, 0x05, 0x00, 0x00, 0x00}, 1},
793 		{{0x1b, 0x1a, 0xf6, 0x00, 0x00, 0x00}, 1},
794 		/* {{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4},
795 		{{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4},
796 		{{0x13, 0x28, 0x01, 0x0b, 0x00, 0x00}, 4}, */
797 		{{0x20, 0x36, 0x06, 0x00, 0x00, 0x00}, 1},
798 		{{0x1b, 0x10, 0x26, 0x00, 0x00, 0x00}, 1},
799 		{{0x12, 0x27, 0x01, 0x00, 0x00, 0x00}, 4},
800 		{{0x1b, 0x76, 0x03, 0x00, 0x00, 0x00}, 1},
801 		{{0x20, 0x36, 0x05, 0x00, 0x00, 0x00}, 1},
802 		{{0x1b, 0x00, 0x3f, 0x00, 0x00, 0x00}, 1},
803 		/* Above is brightness; OEM driver setting is 0x10 */
804 		{{0x12, 0x27, 0x01, 0x00, 0x00, 0x00}, 4},
805 		{{0x20, 0x29, 0x30, 0x00, 0x00, 0x00}, 1},
806 		{{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 1}
807 	};
808 
809 	return run_start_commands(gspca_dev, vivitar_start_commands,
810 				  ARRAY_SIZE(vivitar_start_commands));
811 }
812 
813 static int sd_start(struct gspca_dev *gspca_dev)
814 {
815 	struct sd *sd = (struct sd *) gspca_dev;
816 	int err_code;
817 
818 	sd->sof_read = 0;
819 
820 	switch (sd->model) {
821 	case 0x7005:
822 		err_code = start_genius_cam(gspca_dev);
823 		break;
824 	case 0x7003:
825 		err_code = start_genius_videocam_live(gspca_dev);
826 		break;
827 	case 0x8001:
828 		err_code = start_spy_cam(gspca_dev);
829 		break;
830 	case 0x8003:
831 		err_code = start_cif_cam(gspca_dev);
832 		break;
833 	case 0x8008:
834 		err_code = start_ms350_cam(gspca_dev);
835 		break;
836 	case 0x800a:
837 		err_code = start_vivitar_cam(gspca_dev);
838 		break;
839 	default:
840 		pr_err("Starting unknown camera, please report this\n");
841 		return -ENXIO;
842 	}
843 
844 	sd->avg_lum = -1;
845 
846 	return err_code;
847 }
848 
849 static void sd_stopN(struct gspca_dev *gspca_dev)
850 {
851 	int result;
852 	__u8 data[6];
853 
854 	result = sn9c2028_read1(gspca_dev);
855 	if (result < 0)
856 		PERR("Camera Stop read failed");
857 
858 	memset(data, 0, 6);
859 	data[0] = 0x14;
860 	result = sn9c2028_command(gspca_dev, data);
861 	if (result < 0)
862 		PERR("Camera Stop command failed");
863 }
864 
865 static void do_autogain(struct gspca_dev *gspca_dev, int avg_lum)
866 {
867 	struct sd *sd = (struct sd *) gspca_dev;
868 	s32 cur_gain = v4l2_ctrl_g_ctrl(sd->gain);
869 
870 	if (avg_lum == -1)
871 		return;
872 
873 	if (avg_lum < MIN_AVG_LUM) {
874 		if (cur_gain == sd->gain->maximum)
875 			return;
876 		cur_gain++;
877 		v4l2_ctrl_s_ctrl(sd->gain, cur_gain);
878 	}
879 	if (avg_lum > MAX_AVG_LUM) {
880 		if (cur_gain == sd->gain->minimum)
881 			return;
882 		cur_gain--;
883 		v4l2_ctrl_s_ctrl(sd->gain, cur_gain);
884 	}
885 
886 }
887 
888 static void sd_dqcallback(struct gspca_dev *gspca_dev)
889 {
890 	struct sd *sd = (struct sd *) gspca_dev;
891 
892 	if (sd->autogain == NULL || !v4l2_ctrl_g_ctrl(sd->autogain))
893 		return;
894 
895 	do_autogain(gspca_dev, sd->avg_lum);
896 }
897 
898 /* Include sn9c2028 sof detection functions */
899 #include "sn9c2028.h"
900 
901 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
902 			__u8 *data,			/* isoc packet */
903 			int len)			/* iso packet length */
904 {
905 	unsigned char *sof;
906 
907 	sof = sn9c2028_find_sof(gspca_dev, data, len);
908 	if (sof) {
909 		int n;
910 
911 		/* finish decoding current frame */
912 		n = sof - data;
913 		if (n > sizeof sn9c2028_sof_marker)
914 			n -= sizeof sn9c2028_sof_marker;
915 		else
916 			n = 0;
917 		gspca_frame_add(gspca_dev, LAST_PACKET, data, n);
918 		/* Start next frame. */
919 		gspca_frame_add(gspca_dev, FIRST_PACKET,
920 			sn9c2028_sof_marker, sizeof sn9c2028_sof_marker);
921 		len -= sof - data;
922 		data = sof;
923 	}
924 	gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
925 }
926 
927 /* sub-driver description */
928 static const struct sd_desc sd_desc = {
929 	.name = MODULE_NAME,
930 	.config = sd_config,
931 	.init = sd_init,
932 	.init_controls = sd_init_controls,
933 	.start = sd_start,
934 	.stopN = sd_stopN,
935 	.dq_callback = sd_dqcallback,
936 	.pkt_scan = sd_pkt_scan,
937 };
938 
939 /* -- module initialisation -- */
940 static const struct usb_device_id device_table[] = {
941 	{USB_DEVICE(0x0458, 0x7005)}, /* Genius Smart 300, version 2 */
942 	{USB_DEVICE(0x0458, 0x7003)}, /* Genius Videocam Live v2  */
943 	/* The Genius Smart is untested. I can't find an owner ! */
944 	/* {USB_DEVICE(0x0c45, 0x8000)}, DC31VC, Don't know this camera */
945 	{USB_DEVICE(0x0c45, 0x8001)}, /* Wild Planet digital spy cam */
946 	{USB_DEVICE(0x0c45, 0x8003)}, /* Several small CIF cameras */
947 	/* {USB_DEVICE(0x0c45, 0x8006)}, Unknown VGA camera */
948 	{USB_DEVICE(0x0c45, 0x8008)}, /* Mini-Shotz ms-350 */
949 	{USB_DEVICE(0x0c45, 0x800a)}, /* Vivicam 3350B */
950 	{}
951 };
952 MODULE_DEVICE_TABLE(usb, device_table);
953 
954 /* -- device connect -- */
955 static int sd_probe(struct usb_interface *intf,
956 			const struct usb_device_id *id)
957 {
958 	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
959 			       THIS_MODULE);
960 }
961 
962 static struct usb_driver sd_driver = {
963 	.name = MODULE_NAME,
964 	.id_table = device_table,
965 	.probe = sd_probe,
966 	.disconnect = gspca_disconnect,
967 #ifdef CONFIG_PM
968 	.suspend = gspca_suspend,
969 	.resume = gspca_resume,
970 	.reset_resume = gspca_resume,
971 #endif
972 };
973 
974 module_usb_driver(sd_driver);
975