xref: /openbmc/linux/drivers/media/usb/gspca/sn9c2028.c (revision be709d48)
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 
17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18 
19 #define MODULE_NAME "sn9c2028"
20 
21 #include "gspca.h"
22 
23 MODULE_AUTHOR("Theodore Kilgore");
24 MODULE_DESCRIPTION("Sonix SN9C2028 USB Camera Driver");
25 MODULE_LICENSE("GPL");
26 
27 /* specific webcam descriptor */
28 struct sd {
29 	struct gspca_dev gspca_dev;  /* !! must be the first item */
30 	u8 sof_read;
31 	u16 model;
32 
33 #define MIN_AVG_LUM 8500
34 #define MAX_AVG_LUM 10000
35 	int avg_lum;
36 	u8 avg_lum_l;
37 
38 	struct { /* autogain and gain control cluster */
39 		struct v4l2_ctrl *autogain;
40 		struct v4l2_ctrl *gain;
41 	};
42 };
43 
44 struct init_command {
45 	unsigned char instruction[6];
46 	unsigned char to_read; /* length to read. 0 means no reply requested */
47 };
48 
49 /* How to change the resolution of any of the VGA cams is unknown */
50 static const struct v4l2_pix_format vga_mode[] = {
51 	{640, 480, V4L2_PIX_FMT_SN9C2028, V4L2_FIELD_NONE,
52 		.bytesperline = 640,
53 		.sizeimage = 640 * 480 * 3 / 4,
54 		.colorspace = V4L2_COLORSPACE_SRGB,
55 		.priv = 0},
56 };
57 
58 /* No way to change the resolution of the CIF cams is known */
59 static const struct v4l2_pix_format cif_mode[] = {
60 	{352, 288, V4L2_PIX_FMT_SN9C2028, V4L2_FIELD_NONE,
61 		.bytesperline = 352,
62 		.sizeimage = 352 * 288 * 3 / 4,
63 		.colorspace = V4L2_COLORSPACE_SRGB,
64 		.priv = 0},
65 };
66 
67 /* the bytes to write are in gspca_dev->usb_buf */
68 static int sn9c2028_command(struct gspca_dev *gspca_dev, u8 *command)
69 {
70 	int rc;
71 
72 	gspca_dbg(gspca_dev, D_USBO, "sending command %02x%02x%02x%02x%02x%02x\n",
73 		  command[0], command[1], command[2],
74 		  command[3], command[4], command[5]);
75 
76 	memcpy(gspca_dev->usb_buf, command, 6);
77 	rc = usb_control_msg(gspca_dev->dev,
78 			usb_sndctrlpipe(gspca_dev->dev, 0),
79 			USB_REQ_GET_CONFIGURATION,
80 			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
81 			2, 0, gspca_dev->usb_buf, 6, 500);
82 	if (rc < 0) {
83 		pr_err("command write [%02x] error %d\n",
84 		       gspca_dev->usb_buf[0], rc);
85 		return rc;
86 	}
87 
88 	return 0;
89 }
90 
91 static int sn9c2028_read1(struct gspca_dev *gspca_dev)
92 {
93 	int rc;
94 
95 	rc = usb_control_msg(gspca_dev->dev,
96 			usb_rcvctrlpipe(gspca_dev->dev, 0),
97 			USB_REQ_GET_STATUS,
98 			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
99 			1, 0, gspca_dev->usb_buf, 1, 500);
100 	if (rc != 1) {
101 		pr_err("read1 error %d\n", rc);
102 		return (rc < 0) ? rc : -EIO;
103 	}
104 	gspca_dbg(gspca_dev, D_USBI, "read1 response %02x\n",
105 		  gspca_dev->usb_buf[0]);
106 	return gspca_dev->usb_buf[0];
107 }
108 
109 static int sn9c2028_read4(struct gspca_dev *gspca_dev, u8 *reading)
110 {
111 	int rc;
112 	rc = usb_control_msg(gspca_dev->dev,
113 			usb_rcvctrlpipe(gspca_dev->dev, 0),
114 			USB_REQ_GET_STATUS,
115 			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
116 			4, 0, gspca_dev->usb_buf, 4, 500);
117 	if (rc != 4) {
118 		pr_err("read4 error %d\n", rc);
119 		return (rc < 0) ? rc : -EIO;
120 	}
121 	memcpy(reading, gspca_dev->usb_buf, 4);
122 	gspca_dbg(gspca_dev, D_USBI, "read4 response %02x%02x%02x%02x\n",
123 		  reading[0], reading[1], reading[2], reading[3]);
124 	return rc;
125 }
126 
127 static int sn9c2028_long_command(struct gspca_dev *gspca_dev, u8 *command)
128 {
129 	int i, status;
130 	__u8 reading[4];
131 
132 	status = sn9c2028_command(gspca_dev, command);
133 	if (status < 0)
134 		return status;
135 
136 	status = -1;
137 	for (i = 0; i < 256 && status < 2; i++)
138 		status = sn9c2028_read1(gspca_dev);
139 	if (status < 0) {
140 		pr_err("long command status read error %d\n", status);
141 		return status;
142 	}
143 
144 	memset(reading, 0, 4);
145 	status = sn9c2028_read4(gspca_dev, reading);
146 	if (status < 0)
147 		return status;
148 
149 	/* in general, the first byte of the response is the first byte of
150 	 * the command, or'ed with 8 */
151 	status = sn9c2028_read1(gspca_dev);
152 	if (status < 0)
153 		return status;
154 
155 	return 0;
156 }
157 
158 static int sn9c2028_short_command(struct gspca_dev *gspca_dev, u8 *command)
159 {
160 	int err_code;
161 
162 	err_code = sn9c2028_command(gspca_dev, command);
163 	if (err_code < 0)
164 		return err_code;
165 
166 	err_code = sn9c2028_read1(gspca_dev);
167 	if (err_code < 0)
168 		return err_code;
169 
170 	return 0;
171 }
172 
173 /* this function is called at probe time */
174 static int sd_config(struct gspca_dev *gspca_dev,
175 		     const struct usb_device_id *id)
176 {
177 	struct sd *sd = (struct sd *) gspca_dev;
178 	struct cam *cam = &gspca_dev->cam;
179 
180 	gspca_dbg(gspca_dev, D_PROBE, "SN9C2028 camera detected (vid/pid 0x%04X:0x%04X)\n",
181 		  id->idVendor, id->idProduct);
182 
183 	sd->model = id->idProduct;
184 
185 	switch (sd->model) {
186 	case 0x7005:
187 		gspca_dbg(gspca_dev, D_PROBE, "Genius Smart 300 camera\n");
188 		break;
189 	case 0x7003:
190 		gspca_dbg(gspca_dev, D_PROBE, "Genius Videocam Live v2\n");
191 		break;
192 	case 0x8000:
193 		gspca_dbg(gspca_dev, D_PROBE, "DC31VC\n");
194 		break;
195 	case 0x8001:
196 		gspca_dbg(gspca_dev, D_PROBE, "Spy camera\n");
197 		break;
198 	case 0x8003:
199 		gspca_dbg(gspca_dev, D_PROBE, "CIF camera\n");
200 		break;
201 	case 0x8008:
202 		gspca_dbg(gspca_dev, D_PROBE, "Mini-Shotz ms-350 camera\n");
203 		break;
204 	case 0x800a:
205 		gspca_dbg(gspca_dev, D_PROBE, "Vivitar 3350b type camera\n");
206 		cam->input_flags = V4L2_IN_ST_VFLIP | V4L2_IN_ST_HFLIP;
207 		break;
208 	}
209 
210 	switch (sd->model) {
211 	case 0x8000:
212 	case 0x8001:
213 	case 0x8003:
214 		cam->cam_mode = cif_mode;
215 		cam->nmodes = ARRAY_SIZE(cif_mode);
216 		break;
217 	default:
218 		cam->cam_mode = vga_mode;
219 		cam->nmodes = ARRAY_SIZE(vga_mode);
220 	}
221 	return 0;
222 }
223 
224 /* this function is called at probe and resume time */
225 static int sd_init(struct gspca_dev *gspca_dev)
226 {
227 	int status = -1;
228 
229 	sn9c2028_read1(gspca_dev);
230 	sn9c2028_read1(gspca_dev);
231 	status = sn9c2028_read1(gspca_dev);
232 
233 	return (status < 0) ? status : 0;
234 }
235 
236 static int run_start_commands(struct gspca_dev *gspca_dev,
237 			      struct init_command *cam_commands, int n)
238 {
239 	int i, err_code = -1;
240 
241 	for (i = 0; i < n; i++) {
242 		switch (cam_commands[i].to_read) {
243 		case 4:
244 			err_code = sn9c2028_long_command(gspca_dev,
245 					cam_commands[i].instruction);
246 			break;
247 		case 1:
248 			err_code = sn9c2028_short_command(gspca_dev,
249 					cam_commands[i].instruction);
250 			break;
251 		case 0:
252 			err_code = sn9c2028_command(gspca_dev,
253 					cam_commands[i].instruction);
254 			break;
255 		}
256 		if (err_code < 0)
257 			return err_code;
258 	}
259 	return 0;
260 }
261 
262 static void set_gain(struct gspca_dev *gspca_dev, s32 g)
263 {
264 	struct sd *sd = (struct sd *) gspca_dev;
265 
266 	struct init_command genius_vcam_live_gain_cmds[] = {
267 		{{0x1d, 0x25, 0x10 /* This byte is gain */,
268 		  0x20, 0xab, 0x00}, 0},
269 	};
270 	if (!gspca_dev->streaming)
271 		return;
272 
273 	switch (sd->model) {
274 	case 0x7003:
275 		genius_vcam_live_gain_cmds[0].instruction[2] = g;
276 		run_start_commands(gspca_dev, genius_vcam_live_gain_cmds,
277 				   ARRAY_SIZE(genius_vcam_live_gain_cmds));
278 		break;
279 	default:
280 		break;
281 	}
282 }
283 
284 static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
285 {
286 	struct gspca_dev *gspca_dev =
287 		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
288 	struct sd *sd = (struct sd *)gspca_dev;
289 
290 	gspca_dev->usb_err = 0;
291 
292 	if (!gspca_dev->streaming)
293 		return 0;
294 
295 	switch (ctrl->id) {
296 	/* standalone gain control */
297 	case V4L2_CID_GAIN:
298 		set_gain(gspca_dev, ctrl->val);
299 		break;
300 	/* autogain */
301 	case V4L2_CID_AUTOGAIN:
302 		set_gain(gspca_dev, sd->gain->val);
303 		break;
304 	}
305 	return gspca_dev->usb_err;
306 }
307 
308 static const struct v4l2_ctrl_ops sd_ctrl_ops = {
309 	.s_ctrl = sd_s_ctrl,
310 };
311 
312 
313 static int sd_init_controls(struct gspca_dev *gspca_dev)
314 {
315 	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
316 	struct sd *sd = (struct sd *)gspca_dev;
317 
318 	gspca_dev->vdev.ctrl_handler = hdl;
319 	v4l2_ctrl_handler_init(hdl, 2);
320 
321 	switch (sd->model) {
322 	case 0x7003:
323 		sd->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
324 			V4L2_CID_GAIN, 0, 20, 1, 0);
325 		sd->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
326 			V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
327 		break;
328 	default:
329 		break;
330 	}
331 
332 	return 0;
333 }
334 static int start_spy_cam(struct gspca_dev *gspca_dev)
335 {
336 	struct init_command spy_start_commands[] = {
337 		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
338 		{{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
339 		{{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
340 		{{0x13, 0x22, 0x01, 0x04, 0x00, 0x00}, 4},
341 		{{0x13, 0x23, 0x01, 0x03, 0x00, 0x00}, 4},
342 		{{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
343 		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4}, /* width  352 */
344 		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4}, /* height 288 */
345 		/* {{0x13, 0x27, 0x01, 0x28, 0x00, 0x00}, 4}, */
346 		{{0x13, 0x27, 0x01, 0x68, 0x00, 0x00}, 4},
347 		{{0x13, 0x28, 0x01, 0x09, 0x00, 0x00}, 4}, /* red gain ?*/
348 		/* {{0x13, 0x28, 0x01, 0x00, 0x00, 0x00}, 4}, */
349 		{{0x13, 0x29, 0x01, 0x00, 0x00, 0x00}, 4},
350 		/* {{0x13, 0x29, 0x01, 0x0c, 0x00, 0x00}, 4}, */
351 		{{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
352 		{{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
353 		/* {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4}, */
354 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
355 		{{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4},
356 		/* {{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4}, */
357 		{{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4},
358 		{{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4},
359 		{{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
360 		{{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
361 		{{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},
362 		{{0x11, 0x02, 0x06, 0x00, 0x00, 0x00}, 4},
363 		{{0x11, 0x03, 0x13, 0x00, 0x00, 0x00}, 4}, /*don't mess with*/
364 		/*{{0x11, 0x04, 0x06, 0x00, 0x00, 0x00}, 4}, observed */
365 		{{0x11, 0x04, 0x00, 0x00, 0x00, 0x00}, 4}, /* brighter */
366 		/*{{0x11, 0x05, 0x65, 0x00, 0x00, 0x00}, 4}, observed */
367 		{{0x11, 0x05, 0x00, 0x00, 0x00, 0x00}, 4}, /* brighter */
368 		{{0x11, 0x06, 0xb1, 0x00, 0x00, 0x00}, 4}, /* observed */
369 		{{0x11, 0x07, 0x00, 0x00, 0x00, 0x00}, 4},
370 		/*{{0x11, 0x08, 0x06, 0x00, 0x00, 0x00}, 4}, observed */
371 		{{0x11, 0x08, 0x0b, 0x00, 0x00, 0x00}, 4},
372 		{{0x11, 0x09, 0x01, 0x00, 0x00, 0x00}, 4},
373 		{{0x11, 0x0a, 0x01, 0x00, 0x00, 0x00}, 4},
374 		{{0x11, 0x0b, 0x01, 0x00, 0x00, 0x00}, 4},
375 		{{0x11, 0x0c, 0x01, 0x00, 0x00, 0x00}, 4},
376 		{{0x11, 0x0d, 0x00, 0x00, 0x00, 0x00}, 4},
377 		{{0x11, 0x0e, 0x04, 0x00, 0x00, 0x00}, 4},
378 		/* {{0x11, 0x0f, 0x00, 0x00, 0x00, 0x00}, 4}, */
379 		/* brightness or gain. 0 is default. 4 is good
380 		 * indoors at night with incandescent lighting */
381 		{{0x11, 0x0f, 0x04, 0x00, 0x00, 0x00}, 4},
382 		{{0x11, 0x10, 0x06, 0x00, 0x00, 0x00}, 4}, /*hstart or hoffs*/
383 		{{0x11, 0x11, 0x06, 0x00, 0x00, 0x00}, 4},
384 		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
385 		{{0x11, 0x14, 0x02, 0x00, 0x00, 0x00}, 4},
386 		{{0x11, 0x13, 0x01, 0x00, 0x00, 0x00}, 4},
387 		/* {{0x1b, 0x02, 0x06, 0x00, 0x00, 0x00}, 1}, observed */
388 		{{0x1b, 0x02, 0x11, 0x00, 0x00, 0x00}, 1}, /* brighter */
389 		/* {{0x1b, 0x13, 0x01, 0x00, 0x00, 0x00}, 1}, observed */
390 		{{0x1b, 0x13, 0x11, 0x00, 0x00, 0x00}, 1},
391 		{{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 1}, /* compresses */
392 		/* Camera should start to capture now. */
393 	};
394 
395 	return run_start_commands(gspca_dev, spy_start_commands,
396 				  ARRAY_SIZE(spy_start_commands));
397 }
398 
399 static int start_cif_cam(struct gspca_dev *gspca_dev)
400 {
401 	struct init_command cif_start_commands[] = {
402 		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
403 		/* The entire sequence below seems redundant */
404 		/* {{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
405 		{{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
406 		{{0x13, 0x22, 0x01, 0x06, 0x00, 0x00}, 4},
407 		{{0x13, 0x23, 0x01, 0x02, 0x00, 0x00}, 4},
408 		{{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
409 		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4}, width?
410 		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4}, height?
411 		{{0x13, 0x27, 0x01, 0x68, 0x00, 0x00}, 4}, subsample?
412 		{{0x13, 0x28, 0x01, 0x00, 0x00, 0x00}, 4},
413 		{{0x13, 0x29, 0x01, 0x20, 0x00, 0x00}, 4},
414 		{{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
415 		{{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
416 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
417 		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
418 		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
419 		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
420 		{{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
421 		{{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
422 		{{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},*/
423 		{{0x1b, 0x21, 0x00, 0x00, 0x00, 0x00}, 1},
424 		{{0x1b, 0x17, 0x00, 0x00, 0x00, 0x00}, 1},
425 		{{0x1b, 0x19, 0x00, 0x00, 0x00, 0x00}, 1},
426 		{{0x1b, 0x02, 0x06, 0x00, 0x00, 0x00}, 1},
427 		{{0x1b, 0x03, 0x5a, 0x00, 0x00, 0x00}, 1},
428 		{{0x1b, 0x04, 0x27, 0x00, 0x00, 0x00}, 1},
429 		{{0x1b, 0x05, 0x01, 0x00, 0x00, 0x00}, 1},
430 		{{0x1b, 0x12, 0x14, 0x00, 0x00, 0x00}, 1},
431 		{{0x1b, 0x13, 0x00, 0x00, 0x00, 0x00}, 1},
432 		{{0x1b, 0x14, 0x00, 0x00, 0x00, 0x00}, 1},
433 		{{0x1b, 0x15, 0x00, 0x00, 0x00, 0x00}, 1},
434 		{{0x1b, 0x16, 0x00, 0x00, 0x00, 0x00}, 1},
435 		{{0x1b, 0x77, 0xa2, 0x00, 0x00, 0x00}, 1},
436 		{{0x1b, 0x06, 0x0f, 0x00, 0x00, 0x00}, 1},
437 		{{0x1b, 0x07, 0x14, 0x00, 0x00, 0x00}, 1},
438 		{{0x1b, 0x08, 0x0f, 0x00, 0x00, 0x00}, 1},
439 		{{0x1b, 0x09, 0x10, 0x00, 0x00, 0x00}, 1},
440 		{{0x1b, 0x0e, 0x00, 0x00, 0x00, 0x00}, 1},
441 		{{0x1b, 0x0f, 0x00, 0x00, 0x00, 0x00}, 1},
442 		{{0x1b, 0x12, 0x07, 0x00, 0x00, 0x00}, 1},
443 		{{0x1b, 0x10, 0x1f, 0x00, 0x00, 0x00}, 1},
444 		{{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 1},
445 		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 1}, /* width/8 */
446 		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 1}, /* height/8 */
447 		/* {{0x13, 0x27, 0x01, 0x68, 0x00, 0x00}, 4}, subsample?
448 		 * {{0x13, 0x28, 0x01, 0x1e, 0x00, 0x00}, 4}, does nothing
449 		 * {{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4}, */
450 		/* {{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4},
451 		 * causes subsampling
452 		 * but not a change in the resolution setting! */
453 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
454 		{{0x13, 0x2d, 0x01, 0x01, 0x00, 0x00}, 4},
455 		{{0x13, 0x2e, 0x01, 0x08, 0x00, 0x00}, 4},
456 		{{0x13, 0x2f, 0x01, 0x06, 0x00, 0x00}, 4},
457 		{{0x13, 0x28, 0x01, 0x00, 0x00, 0x00}, 4},
458 		{{0x1b, 0x04, 0x6d, 0x00, 0x00, 0x00}, 1},
459 		{{0x1b, 0x05, 0x03, 0x00, 0x00, 0x00}, 1},
460 		{{0x20, 0x36, 0x06, 0x00, 0x00, 0x00}, 1},
461 		{{0x1b, 0x0e, 0x01, 0x00, 0x00, 0x00}, 1},
462 		{{0x12, 0x27, 0x01, 0x00, 0x00, 0x00}, 4},
463 		{{0x1b, 0x0f, 0x00, 0x00, 0x00, 0x00}, 1},
464 		{{0x20, 0x36, 0x05, 0x00, 0x00, 0x00}, 1},
465 		{{0x1b, 0x10, 0x0f, 0x00, 0x00, 0x00}, 1},
466 		{{0x1b, 0x02, 0x06, 0x00, 0x00, 0x00}, 1},
467 		{{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 1},
468 		{{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 1},/* use compression */
469 		/* Camera should start to capture now. */
470 	};
471 
472 	return run_start_commands(gspca_dev, cif_start_commands,
473 				  ARRAY_SIZE(cif_start_commands));
474 }
475 
476 static int start_ms350_cam(struct gspca_dev *gspca_dev)
477 {
478 	struct init_command ms350_start_commands[] = {
479 		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
480 		{{0x16, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
481 		{{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
482 		{{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
483 		{{0x13, 0x22, 0x01, 0x04, 0x00, 0x00}, 4},
484 		{{0x13, 0x23, 0x01, 0x03, 0x00, 0x00}, 4},
485 		{{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
486 		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4},
487 		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4},
488 		{{0x13, 0x27, 0x01, 0x28, 0x00, 0x00}, 4},
489 		{{0x13, 0x28, 0x01, 0x09, 0x00, 0x00}, 4},
490 		{{0x13, 0x29, 0x01, 0x00, 0x00, 0x00}, 4},
491 		{{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
492 		{{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
493 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
494 		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
495 		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
496 		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
497 		{{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
498 		{{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
499 		{{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},
500 		{{0x11, 0x00, 0x01, 0x00, 0x00, 0x00}, 4},
501 		{{0x11, 0x01, 0x70, 0x00, 0x00, 0x00}, 4},
502 		{{0x11, 0x02, 0x05, 0x00, 0x00, 0x00}, 4},
503 		{{0x11, 0x03, 0x5d, 0x00, 0x00, 0x00}, 4},
504 		{{0x11, 0x04, 0x07, 0x00, 0x00, 0x00}, 4},
505 		{{0x11, 0x05, 0x25, 0x00, 0x00, 0x00}, 4},
506 		{{0x11, 0x06, 0x00, 0x00, 0x00, 0x00}, 4},
507 		{{0x11, 0x07, 0x09, 0x00, 0x00, 0x00}, 4},
508 		{{0x11, 0x08, 0x01, 0x00, 0x00, 0x00}, 4},
509 		{{0x11, 0x09, 0x00, 0x00, 0x00, 0x00}, 4},
510 		{{0x11, 0x0a, 0x00, 0x00, 0x00, 0x00}, 4},
511 		{{0x11, 0x0b, 0x01, 0x00, 0x00, 0x00}, 4},
512 		{{0x11, 0x0c, 0x00, 0x00, 0x00, 0x00}, 4},
513 		{{0x11, 0x0d, 0x0c, 0x00, 0x00, 0x00}, 4},
514 		{{0x11, 0x0e, 0x01, 0x00, 0x00, 0x00}, 4},
515 		{{0x11, 0x0f, 0x00, 0x00, 0x00, 0x00}, 4},
516 		{{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
517 		{{0x11, 0x11, 0x00, 0x00, 0x00, 0x00}, 4},
518 		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
519 		{{0x11, 0x13, 0x63, 0x00, 0x00, 0x00}, 4},
520 		{{0x11, 0x15, 0x70, 0x00, 0x00, 0x00}, 4},
521 		{{0x11, 0x18, 0x00, 0x00, 0x00, 0x00}, 4},
522 		{{0x11, 0x11, 0x01, 0x00, 0x00, 0x00}, 4},
523 		{{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4}, /* width  */
524 		{{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4}, /* height */
525 		{{0x13, 0x28, 0x01, 0x09, 0x00, 0x00}, 4}, /* vstart? */
526 		{{0x13, 0x27, 0x01, 0x28, 0x00, 0x00}, 4},
527 		{{0x13, 0x29, 0x01, 0x40, 0x00, 0x00}, 4}, /* hstart? */
528 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
529 		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
530 		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
531 		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
532 		{{0x1b, 0x02, 0x05, 0x00, 0x00, 0x00}, 1},
533 		{{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 1},
534 		{{0x20, 0x18, 0x00, 0x00, 0x00, 0x00}, 1},
535 		{{0x1b, 0x02, 0x0a, 0x00, 0x00, 0x00}, 1},
536 		{{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 0},
537 		/* Camera should start to capture now. */
538 	};
539 
540 	return run_start_commands(gspca_dev, ms350_start_commands,
541 				  ARRAY_SIZE(ms350_start_commands));
542 }
543 
544 static int start_genius_cam(struct gspca_dev *gspca_dev)
545 {
546 	struct init_command genius_start_commands[] = {
547 		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
548 		{{0x16, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
549 		{{0x10, 0x00, 0x00, 0x00, 0x00, 0x00}, 4},
550 		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4},
551 		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4},
552 		/* "preliminary" width and height settings */
553 		{{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4},
554 		{{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
555 		{{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4},
556 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
557 		{{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4},
558 		{{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4},
559 		{{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4},
560 		{{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
561 		{{0x11, 0x21, 0x2d, 0x00, 0x00, 0x00}, 4},
562 		{{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
563 		{{0x11, 0x23, 0x03, 0x00, 0x00, 0x00}, 4},
564 		{{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
565 		{{0x11, 0x11, 0x64, 0x00, 0x00, 0x00}, 4},
566 		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
567 		{{0x11, 0x13, 0x91, 0x00, 0x00, 0x00}, 4},
568 		{{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4},
569 		{{0x11, 0x15, 0x20, 0x00, 0x00, 0x00}, 4},
570 		{{0x11, 0x16, 0x01, 0x00, 0x00, 0x00}, 4},
571 		{{0x11, 0x17, 0x60, 0x00, 0x00, 0x00}, 4},
572 		{{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
573 		{{0x11, 0x21, 0x2d, 0x00, 0x00, 0x00}, 4},
574 		{{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
575 		{{0x11, 0x23, 0x03, 0x00, 0x00, 0x00}, 4},
576 		{{0x11, 0x25, 0x00, 0x00, 0x00, 0x00}, 4},
577 		{{0x11, 0x26, 0x02, 0x00, 0x00, 0x00}, 4},
578 		{{0x11, 0x27, 0x88, 0x00, 0x00, 0x00}, 4},
579 		{{0x11, 0x30, 0x38, 0x00, 0x00, 0x00}, 4},
580 		{{0x11, 0x31, 0x2a, 0x00, 0x00, 0x00}, 4},
581 		{{0x11, 0x32, 0x2a, 0x00, 0x00, 0x00}, 4},
582 		{{0x11, 0x33, 0x2a, 0x00, 0x00, 0x00}, 4},
583 		{{0x11, 0x34, 0x02, 0x00, 0x00, 0x00}, 4},
584 		{{0x11, 0x5b, 0x0a, 0x00, 0x00, 0x00}, 4},
585 		{{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4}, /* real width */
586 		{{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4}, /* real height */
587 		{{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4},
588 		{{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
589 		{{0x13, 0x29, 0x01, 0x62, 0x00, 0x00}, 4},
590 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
591 		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
592 		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
593 		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
594 		{{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
595 		{{0x11, 0x21, 0x2a, 0x00, 0x00, 0x00}, 4},
596 		{{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
597 		{{0x11, 0x23, 0x28, 0x00, 0x00, 0x00}, 4},
598 		{{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
599 		{{0x11, 0x11, 0x04, 0x00, 0x00, 0x00}, 4},
600 		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
601 		{{0x11, 0x13, 0x03, 0x00, 0x00, 0x00}, 4},
602 		{{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4},
603 		{{0x11, 0x15, 0xe0, 0x00, 0x00, 0x00}, 4},
604 		{{0x11, 0x16, 0x02, 0x00, 0x00, 0x00}, 4},
605 		{{0x11, 0x17, 0x80, 0x00, 0x00, 0x00}, 4},
606 		{{0x1c, 0x20, 0x00, 0x2a, 0x00, 0x00}, 1},
607 		{{0x1c, 0x20, 0x00, 0x2a, 0x00, 0x00}, 1},
608 		{{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 0}
609 		/* Camera should start to capture now. */
610 	};
611 
612 	return run_start_commands(gspca_dev, genius_start_commands,
613 				  ARRAY_SIZE(genius_start_commands));
614 }
615 
616 static int start_genius_videocam_live(struct gspca_dev *gspca_dev)
617 {
618 	int r;
619 	struct sd *sd = (struct sd *) gspca_dev;
620 	struct init_command genius_vcam_live_start_commands[] = {
621 		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 0},
622 		{{0x16, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
623 		{{0x10, 0x00, 0x00, 0x00, 0x00, 0x00}, 4},
624 		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4},
625 		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4},
626 
627 		{{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4},
628 		{{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
629 		{{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4},
630 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
631 		{{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4},
632 		{{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4},
633 		{{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4},
634 		{{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
635 		{{0x11, 0x21, 0x2d, 0x00, 0x00, 0x00}, 4},
636 		{{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
637 		{{0x11, 0x23, 0x03, 0x00, 0x00, 0x00}, 4},
638 		{{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
639 		{{0x11, 0x11, 0x64, 0x00, 0x00, 0x00}, 4},
640 		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
641 		{{0x11, 0x13, 0x91, 0x00, 0x00, 0x00}, 4},
642 		{{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4},
643 		{{0x11, 0x15, 0x20, 0x00, 0x00, 0x00}, 4},
644 		{{0x11, 0x16, 0x01, 0x00, 0x00, 0x00}, 4},
645 		{{0x11, 0x17, 0x60, 0x00, 0x00, 0x00}, 4},
646 		{{0x1c, 0x20, 0x00, 0x2d, 0x00, 0x00}, 4},
647 		{{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
648 		{{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
649 		{{0x13, 0x22, 0x01, 0x00, 0x00, 0x00}, 4},
650 		{{0x13, 0x23, 0x01, 0x01, 0x00, 0x00}, 4},
651 		{{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
652 		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4},
653 		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4},
654 		{{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
655 		{{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4},
656 		{{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4},
657 		{{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
658 		{{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
659 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
660 		{{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4},
661 		{{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4},
662 		{{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4},
663 		{{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
664 		{{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
665 		{{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},
666 		{{0x11, 0x01, 0x04, 0x00, 0x00, 0x00}, 4},
667 		{{0x11, 0x02, 0x92, 0x00, 0x00, 0x00}, 4},
668 		{{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
669 		{{0x11, 0x11, 0x64, 0x00, 0x00, 0x00}, 4},
670 		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
671 		{{0x11, 0x13, 0x91, 0x00, 0x00, 0x00}, 4},
672 		{{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4},
673 		{{0x11, 0x15, 0x20, 0x00, 0x00, 0x00}, 4},
674 		{{0x11, 0x16, 0x01, 0x00, 0x00, 0x00}, 4},
675 		{{0x11, 0x17, 0x60, 0x00, 0x00, 0x00}, 4},
676 		{{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
677 		{{0x11, 0x21, 0x2d, 0x00, 0x00, 0x00}, 4},
678 		{{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
679 		{{0x11, 0x23, 0x03, 0x00, 0x00, 0x00}, 4},
680 		{{0x11, 0x25, 0x00, 0x00, 0x00, 0x00}, 4},
681 		{{0x11, 0x26, 0x02, 0x00, 0x00, 0x00}, 4},
682 		{{0x11, 0x27, 0x88, 0x00, 0x00, 0x00}, 4},
683 		{{0x11, 0x30, 0x38, 0x00, 0x00, 0x00}, 4},
684 		{{0x11, 0x31, 0x2a, 0x00, 0x00, 0x00}, 4},
685 		{{0x11, 0x32, 0x2a, 0x00, 0x00, 0x00}, 4},
686 		{{0x11, 0x33, 0x2a, 0x00, 0x00, 0x00}, 4},
687 		{{0x11, 0x34, 0x02, 0x00, 0x00, 0x00}, 4},
688 		{{0x11, 0x5b, 0x0a, 0x00, 0x00, 0x00}, 4},
689 		{{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4},
690 		{{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4},
691 		{{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4},
692 		{{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
693 		{{0x13, 0x29, 0x01, 0x62, 0x00, 0x00}, 4},
694 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
695 		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
696 		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
697 		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
698 		{{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
699 		{{0x11, 0x21, 0x2a, 0x00, 0x00, 0x00}, 4},
700 		{{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
701 		{{0x11, 0x23, 0x28, 0x00, 0x00, 0x00}, 4},
702 		{{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
703 		{{0x11, 0x11, 0x04, 0x00, 0x00, 0x00}, 4},
704 		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
705 		{{0x11, 0x13, 0x03, 0x00, 0x00, 0x00}, 4},
706 		{{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4},
707 		{{0x11, 0x15, 0xe0, 0x00, 0x00, 0x00}, 4},
708 		{{0x11, 0x16, 0x02, 0x00, 0x00, 0x00}, 4},
709 		{{0x11, 0x17, 0x80, 0x00, 0x00, 0x00}, 4},
710 		{{0x1c, 0x20, 0x00, 0x2a, 0x00, 0x00}, 1},
711 		{{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 0},
712 		/* Camera should start to capture now. */
713 		{{0x12, 0x27, 0x01, 0x00, 0x00, 0x00}, 0},
714 		{{0x1b, 0x32, 0x26, 0x00, 0x00, 0x00}, 0},
715 		{{0x1d, 0x25, 0x10, 0x20, 0xab, 0x00}, 0},
716 	};
717 
718 	r = run_start_commands(gspca_dev, genius_vcam_live_start_commands,
719 				  ARRAY_SIZE(genius_vcam_live_start_commands));
720 	if (r < 0)
721 		return r;
722 
723 	if (sd->gain)
724 		set_gain(gspca_dev, v4l2_ctrl_g_ctrl(sd->gain));
725 
726 	return r;
727 }
728 
729 static int start_vivitar_cam(struct gspca_dev *gspca_dev)
730 {
731 	struct init_command vivitar_start_commands[] = {
732 		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
733 		{{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
734 		{{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
735 		{{0x13, 0x22, 0x01, 0x01, 0x00, 0x00}, 4},
736 		{{0x13, 0x23, 0x01, 0x01, 0x00, 0x00}, 4},
737 		{{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
738 		{{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4},
739 		{{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4},
740 		{{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
741 		{{0x13, 0x28, 0x01, 0x0a, 0x00, 0x00}, 4},
742 		/*
743 		 * Above is changed from OEM 0x0b. Fixes Bayer tiling.
744 		 * Presumably gives a vertical shift of one row.
745 		 */
746 		{{0x13, 0x29, 0x01, 0x20, 0x00, 0x00}, 4},
747 		/* Above seems to do horizontal shift. */
748 		{{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
749 		{{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
750 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
751 		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
752 		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
753 		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
754 		/* Above three commands seem to relate to brightness. */
755 		{{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
756 		{{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
757 		{{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},
758 		{{0x1b, 0x12, 0x80, 0x00, 0x00, 0x00}, 1},
759 		{{0x1b, 0x01, 0x77, 0x00, 0x00, 0x00}, 1},
760 		{{0x1b, 0x02, 0x3a, 0x00, 0x00, 0x00}, 1},
761 		{{0x1b, 0x12, 0x78, 0x00, 0x00, 0x00}, 1},
762 		{{0x1b, 0x13, 0x00, 0x00, 0x00, 0x00}, 1},
763 		{{0x1b, 0x14, 0x80, 0x00, 0x00, 0x00}, 1},
764 		{{0x1b, 0x15, 0x34, 0x00, 0x00, 0x00}, 1},
765 		{{0x1b, 0x1b, 0x04, 0x00, 0x00, 0x00}, 1},
766 		{{0x1b, 0x20, 0x44, 0x00, 0x00, 0x00}, 1},
767 		{{0x1b, 0x23, 0xee, 0x00, 0x00, 0x00}, 1},
768 		{{0x1b, 0x26, 0xa0, 0x00, 0x00, 0x00}, 1},
769 		{{0x1b, 0x27, 0x9a, 0x00, 0x00, 0x00}, 1},
770 		{{0x1b, 0x28, 0xa0, 0x00, 0x00, 0x00}, 1},
771 		{{0x1b, 0x29, 0x30, 0x00, 0x00, 0x00}, 1},
772 		{{0x1b, 0x2a, 0x80, 0x00, 0x00, 0x00}, 1},
773 		{{0x1b, 0x2b, 0x00, 0x00, 0x00, 0x00}, 1},
774 		{{0x1b, 0x2f, 0x3d, 0x00, 0x00, 0x00}, 1},
775 		{{0x1b, 0x30, 0x24, 0x00, 0x00, 0x00}, 1},
776 		{{0x1b, 0x32, 0x86, 0x00, 0x00, 0x00}, 1},
777 		{{0x1b, 0x60, 0xa9, 0x00, 0x00, 0x00}, 1},
778 		{{0x1b, 0x61, 0x42, 0x00, 0x00, 0x00}, 1},
779 		{{0x1b, 0x65, 0x00, 0x00, 0x00, 0x00}, 1},
780 		{{0x1b, 0x69, 0x38, 0x00, 0x00, 0x00}, 1},
781 		{{0x1b, 0x6f, 0x88, 0x00, 0x00, 0x00}, 1},
782 		{{0x1b, 0x70, 0x0b, 0x00, 0x00, 0x00}, 1},
783 		{{0x1b, 0x71, 0x00, 0x00, 0x00, 0x00}, 1},
784 		{{0x1b, 0x74, 0x21, 0x00, 0x00, 0x00}, 1},
785 		{{0x1b, 0x75, 0x86, 0x00, 0x00, 0x00}, 1},
786 		{{0x1b, 0x76, 0x00, 0x00, 0x00, 0x00}, 1},
787 		{{0x1b, 0x7d, 0xf3, 0x00, 0x00, 0x00}, 1},
788 		{{0x1b, 0x17, 0x1c, 0x00, 0x00, 0x00}, 1},
789 		{{0x1b, 0x18, 0xc0, 0x00, 0x00, 0x00}, 1},
790 		{{0x1b, 0x19, 0x05, 0x00, 0x00, 0x00}, 1},
791 		{{0x1b, 0x1a, 0xf6, 0x00, 0x00, 0x00}, 1},
792 		/* {{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4},
793 		{{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4},
794 		{{0x13, 0x28, 0x01, 0x0b, 0x00, 0x00}, 4}, */
795 		{{0x20, 0x36, 0x06, 0x00, 0x00, 0x00}, 1},
796 		{{0x1b, 0x10, 0x26, 0x00, 0x00, 0x00}, 1},
797 		{{0x12, 0x27, 0x01, 0x00, 0x00, 0x00}, 4},
798 		{{0x1b, 0x76, 0x03, 0x00, 0x00, 0x00}, 1},
799 		{{0x20, 0x36, 0x05, 0x00, 0x00, 0x00}, 1},
800 		{{0x1b, 0x00, 0x3f, 0x00, 0x00, 0x00}, 1},
801 		/* Above is brightness; OEM driver setting is 0x10 */
802 		{{0x12, 0x27, 0x01, 0x00, 0x00, 0x00}, 4},
803 		{{0x20, 0x29, 0x30, 0x00, 0x00, 0x00}, 1},
804 		{{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 1}
805 	};
806 
807 	return run_start_commands(gspca_dev, vivitar_start_commands,
808 				  ARRAY_SIZE(vivitar_start_commands));
809 }
810 
811 static int sd_start(struct gspca_dev *gspca_dev)
812 {
813 	struct sd *sd = (struct sd *) gspca_dev;
814 	int err_code;
815 
816 	sd->sof_read = 0;
817 
818 	switch (sd->model) {
819 	case 0x7005:
820 		err_code = start_genius_cam(gspca_dev);
821 		break;
822 	case 0x7003:
823 		err_code = start_genius_videocam_live(gspca_dev);
824 		break;
825 	case 0x8001:
826 		err_code = start_spy_cam(gspca_dev);
827 		break;
828 	case 0x8003:
829 		err_code = start_cif_cam(gspca_dev);
830 		break;
831 	case 0x8008:
832 		err_code = start_ms350_cam(gspca_dev);
833 		break;
834 	case 0x800a:
835 		err_code = start_vivitar_cam(gspca_dev);
836 		break;
837 	default:
838 		pr_err("Starting unknown camera, please report this\n");
839 		return -ENXIO;
840 	}
841 
842 	sd->avg_lum = -1;
843 
844 	return err_code;
845 }
846 
847 static void sd_stopN(struct gspca_dev *gspca_dev)
848 {
849 	int result;
850 	__u8 data[6];
851 
852 	result = sn9c2028_read1(gspca_dev);
853 	if (result < 0)
854 		gspca_err(gspca_dev, "Camera Stop read failed\n");
855 
856 	memset(data, 0, 6);
857 	data[0] = 0x14;
858 	result = sn9c2028_command(gspca_dev, data);
859 	if (result < 0)
860 		gspca_err(gspca_dev, "Camera Stop command failed\n");
861 }
862 
863 static void do_autogain(struct gspca_dev *gspca_dev, int avg_lum)
864 {
865 	struct sd *sd = (struct sd *) gspca_dev;
866 	s32 cur_gain = v4l2_ctrl_g_ctrl(sd->gain);
867 
868 	if (avg_lum == -1)
869 		return;
870 
871 	if (avg_lum < MIN_AVG_LUM) {
872 		if (cur_gain == sd->gain->maximum)
873 			return;
874 		cur_gain++;
875 		v4l2_ctrl_s_ctrl(sd->gain, cur_gain);
876 	}
877 	if (avg_lum > MAX_AVG_LUM) {
878 		if (cur_gain == sd->gain->minimum)
879 			return;
880 		cur_gain--;
881 		v4l2_ctrl_s_ctrl(sd->gain, cur_gain);
882 	}
883 
884 }
885 
886 static void sd_dqcallback(struct gspca_dev *gspca_dev)
887 {
888 	struct sd *sd = (struct sd *) gspca_dev;
889 
890 	if (sd->autogain == NULL || !v4l2_ctrl_g_ctrl(sd->autogain))
891 		return;
892 
893 	do_autogain(gspca_dev, sd->avg_lum);
894 }
895 
896 /* Include sn9c2028 sof detection functions */
897 #include "sn9c2028.h"
898 
899 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
900 			__u8 *data,			/* isoc packet */
901 			int len)			/* iso packet length */
902 {
903 	unsigned char *sof;
904 
905 	sof = sn9c2028_find_sof(gspca_dev, data, len);
906 	if (sof) {
907 		int n;
908 
909 		/* finish decoding current frame */
910 		n = sof - data;
911 		if (n > sizeof sn9c2028_sof_marker)
912 			n -= sizeof sn9c2028_sof_marker;
913 		else
914 			n = 0;
915 		gspca_frame_add(gspca_dev, LAST_PACKET, data, n);
916 		/* Start next frame. */
917 		gspca_frame_add(gspca_dev, FIRST_PACKET,
918 			sn9c2028_sof_marker, sizeof sn9c2028_sof_marker);
919 		len -= sof - data;
920 		data = sof;
921 	}
922 	gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
923 }
924 
925 /* sub-driver description */
926 static const struct sd_desc sd_desc = {
927 	.name = MODULE_NAME,
928 	.config = sd_config,
929 	.init = sd_init,
930 	.init_controls = sd_init_controls,
931 	.start = sd_start,
932 	.stopN = sd_stopN,
933 	.dq_callback = sd_dqcallback,
934 	.pkt_scan = sd_pkt_scan,
935 };
936 
937 /* -- module initialisation -- */
938 static const struct usb_device_id device_table[] = {
939 	{USB_DEVICE(0x0458, 0x7005)}, /* Genius Smart 300, version 2 */
940 	{USB_DEVICE(0x0458, 0x7003)}, /* Genius Videocam Live v2  */
941 	/* The Genius Smart is untested. I can't find an owner ! */
942 	/* {USB_DEVICE(0x0c45, 0x8000)}, DC31VC, Don't know this camera */
943 	{USB_DEVICE(0x0c45, 0x8001)}, /* Wild Planet digital spy cam */
944 	{USB_DEVICE(0x0c45, 0x8003)}, /* Several small CIF cameras */
945 	/* {USB_DEVICE(0x0c45, 0x8006)}, Unknown VGA camera */
946 	{USB_DEVICE(0x0c45, 0x8008)}, /* Mini-Shotz ms-350 */
947 	{USB_DEVICE(0x0c45, 0x800a)}, /* Vivicam 3350B */
948 	{}
949 };
950 MODULE_DEVICE_TABLE(usb, device_table);
951 
952 /* -- device connect -- */
953 static int sd_probe(struct usb_interface *intf,
954 			const struct usb_device_id *id)
955 {
956 	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
957 			       THIS_MODULE);
958 }
959 
960 static struct usb_driver sd_driver = {
961 	.name = MODULE_NAME,
962 	.id_table = device_table,
963 	.probe = sd_probe,
964 	.disconnect = gspca_disconnect,
965 #ifdef CONFIG_PM
966 	.suspend = gspca_suspend,
967 	.resume = gspca_resume,
968 	.reset_resume = gspca_resume,
969 #endif
970 };
971 
972 module_usb_driver(sd_driver);
973