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 
38 struct init_command {
39 	unsigned char instruction[6];
40 	unsigned char to_read; /* length to read. 0 means no reply requested */
41 };
42 
43 /* V4L2 controls supported by the driver */
44 static const struct ctrl sd_ctrls[] = {
45 };
46 
47 /* How to change the resolution of any of the VGA cams is unknown */
48 static const struct v4l2_pix_format vga_mode[] = {
49 	{640, 480, V4L2_PIX_FMT_SN9C2028, V4L2_FIELD_NONE,
50 		.bytesperline = 640,
51 		.sizeimage = 640 * 480 * 3 / 4,
52 		.colorspace = V4L2_COLORSPACE_SRGB,
53 		.priv = 0},
54 };
55 
56 /* No way to change the resolution of the CIF cams is known */
57 static const struct v4l2_pix_format cif_mode[] = {
58 	{352, 288, V4L2_PIX_FMT_SN9C2028, V4L2_FIELD_NONE,
59 		.bytesperline = 352,
60 		.sizeimage = 352 * 288 * 3 / 4,
61 		.colorspace = V4L2_COLORSPACE_SRGB,
62 		.priv = 0},
63 };
64 
65 /* the bytes to write are in gspca_dev->usb_buf */
sn9c2028_command(struct gspca_dev * gspca_dev,u8 * command)66 static int sn9c2028_command(struct gspca_dev *gspca_dev, u8 *command)
67 {
68 	int rc;
69 
70 	PDEBUG(D_USBO, "sending command %02x%02x%02x%02x%02x%02x", command[0],
71 	       command[1], command[2], command[3], command[4], command[5]);
72 
73 	memcpy(gspca_dev->usb_buf, command, 6);
74 	rc = usb_control_msg(gspca_dev->dev,
75 			usb_sndctrlpipe(gspca_dev->dev, 0),
76 			USB_REQ_GET_CONFIGURATION,
77 			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
78 			2, 0, gspca_dev->usb_buf, 6, 500);
79 	if (rc < 0) {
80 		pr_err("command write [%02x] error %d\n",
81 		       gspca_dev->usb_buf[0], rc);
82 		return rc;
83 	}
84 
85 	return 0;
86 }
87 
sn9c2028_read1(struct gspca_dev * gspca_dev)88 static int sn9c2028_read1(struct gspca_dev *gspca_dev)
89 {
90 	int rc;
91 
92 	rc = usb_control_msg(gspca_dev->dev,
93 			usb_rcvctrlpipe(gspca_dev->dev, 0),
94 			USB_REQ_GET_STATUS,
95 			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
96 			1, 0, gspca_dev->usb_buf, 1, 500);
97 	if (rc != 1) {
98 		pr_err("read1 error %d\n", rc);
99 		return (rc < 0) ? rc : -EIO;
100 	}
101 	PDEBUG(D_USBI, "read1 response %02x", gspca_dev->usb_buf[0]);
102 	return gspca_dev->usb_buf[0];
103 }
104 
sn9c2028_read4(struct gspca_dev * gspca_dev,u8 * reading)105 static int sn9c2028_read4(struct gspca_dev *gspca_dev, u8 *reading)
106 {
107 	int rc;
108 	rc = usb_control_msg(gspca_dev->dev,
109 			usb_rcvctrlpipe(gspca_dev->dev, 0),
110 			USB_REQ_GET_STATUS,
111 			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
112 			4, 0, gspca_dev->usb_buf, 4, 500);
113 	if (rc != 4) {
114 		pr_err("read4 error %d\n", rc);
115 		return (rc < 0) ? rc : -EIO;
116 	}
117 	memcpy(reading, gspca_dev->usb_buf, 4);
118 	PDEBUG(D_USBI, "read4 response %02x%02x%02x%02x", reading[0],
119 	       reading[1], reading[2], reading[3]);
120 	return rc;
121 }
122 
sn9c2028_long_command(struct gspca_dev * gspca_dev,u8 * command)123 static int sn9c2028_long_command(struct gspca_dev *gspca_dev, u8 *command)
124 {
125 	int i, status;
126 	__u8 reading[4];
127 
128 	status = sn9c2028_command(gspca_dev, command);
129 	if (status < 0)
130 		return status;
131 
132 	status = -1;
133 	for (i = 0; i < 256 && status < 2; i++)
134 		status = sn9c2028_read1(gspca_dev);
135 	if (status != 2) {
136 		pr_err("long command status read error %d\n", status);
137 		return (status < 0) ? status : -EIO;
138 	}
139 
140 	memset(reading, 0, 4);
141 	status = sn9c2028_read4(gspca_dev, reading);
142 	if (status < 0)
143 		return status;
144 
145 	/* in general, the first byte of the response is the first byte of
146 	 * the command, or'ed with 8 */
147 	status = sn9c2028_read1(gspca_dev);
148 	if (status < 0)
149 		return status;
150 
151 	return 0;
152 }
153 
sn9c2028_short_command(struct gspca_dev * gspca_dev,u8 * command)154 static int sn9c2028_short_command(struct gspca_dev *gspca_dev, u8 *command)
155 {
156 	int err_code;
157 
158 	err_code = sn9c2028_command(gspca_dev, command);
159 	if (err_code < 0)
160 		return err_code;
161 
162 	err_code = sn9c2028_read1(gspca_dev);
163 	if (err_code < 0)
164 		return err_code;
165 
166 	return 0;
167 }
168 
169 /* this function is called at probe time */
sd_config(struct gspca_dev * gspca_dev,const struct usb_device_id * id)170 static int sd_config(struct gspca_dev *gspca_dev,
171 		     const struct usb_device_id *id)
172 {
173 	struct sd *sd = (struct sd *) gspca_dev;
174 	struct cam *cam = &gspca_dev->cam;
175 
176 	PDEBUG(D_PROBE, "SN9C2028 camera detected (vid/pid 0x%04X:0x%04X)",
177 	       id->idVendor, id->idProduct);
178 
179 	sd->model = id->idProduct;
180 
181 	switch (sd->model) {
182 	case 0x7005:
183 		PDEBUG(D_PROBE, "Genius Smart 300 camera");
184 		break;
185 	case 0x8000:
186 		PDEBUG(D_PROBE, "DC31VC");
187 		break;
188 	case 0x8001:
189 		PDEBUG(D_PROBE, "Spy camera");
190 		break;
191 	case 0x8003:
192 		PDEBUG(D_PROBE, "CIF camera");
193 		break;
194 	case 0x8008:
195 		PDEBUG(D_PROBE, "Mini-Shotz ms-350 camera");
196 		break;
197 	case 0x800a:
198 		PDEBUG(D_PROBE, "Vivitar 3350b type camera");
199 		cam->input_flags = V4L2_IN_ST_VFLIP | V4L2_IN_ST_HFLIP;
200 		break;
201 	}
202 
203 	switch (sd->model) {
204 	case 0x8000:
205 	case 0x8001:
206 	case 0x8003:
207 		cam->cam_mode = cif_mode;
208 		cam->nmodes = ARRAY_SIZE(cif_mode);
209 		break;
210 	default:
211 		cam->cam_mode = vga_mode;
212 		cam->nmodes = ARRAY_SIZE(vga_mode);
213 	}
214 	return 0;
215 }
216 
217 /* this function is called at probe and resume time */
sd_init(struct gspca_dev * gspca_dev)218 static int sd_init(struct gspca_dev *gspca_dev)
219 {
220 	int status = -1;
221 
222 	sn9c2028_read1(gspca_dev);
223 	sn9c2028_read1(gspca_dev);
224 	status = sn9c2028_read1(gspca_dev);
225 
226 	return (status < 0) ? status : 0;
227 }
228 
run_start_commands(struct gspca_dev * gspca_dev,struct init_command * cam_commands,int n)229 static int run_start_commands(struct gspca_dev *gspca_dev,
230 			      struct init_command *cam_commands, int n)
231 {
232 	int i, err_code = -1;
233 
234 	for (i = 0; i < n; i++) {
235 		switch (cam_commands[i].to_read) {
236 		case 4:
237 			err_code = sn9c2028_long_command(gspca_dev,
238 					cam_commands[i].instruction);
239 			break;
240 		case 1:
241 			err_code = sn9c2028_short_command(gspca_dev,
242 					cam_commands[i].instruction);
243 			break;
244 		case 0:
245 			err_code = sn9c2028_command(gspca_dev,
246 					cam_commands[i].instruction);
247 			break;
248 		}
249 		if (err_code < 0)
250 			return err_code;
251 	}
252 	return 0;
253 }
254 
start_spy_cam(struct gspca_dev * gspca_dev)255 static int start_spy_cam(struct gspca_dev *gspca_dev)
256 {
257 	struct init_command spy_start_commands[] = {
258 		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
259 		{{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
260 		{{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
261 		{{0x13, 0x22, 0x01, 0x04, 0x00, 0x00}, 4},
262 		{{0x13, 0x23, 0x01, 0x03, 0x00, 0x00}, 4},
263 		{{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
264 		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4}, /* width  352 */
265 		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4}, /* height 288 */
266 		/* {{0x13, 0x27, 0x01, 0x28, 0x00, 0x00}, 4}, */
267 		{{0x13, 0x27, 0x01, 0x68, 0x00, 0x00}, 4},
268 		{{0x13, 0x28, 0x01, 0x09, 0x00, 0x00}, 4}, /* red gain ?*/
269 		/* {{0x13, 0x28, 0x01, 0x00, 0x00, 0x00}, 4}, */
270 		{{0x13, 0x29, 0x01, 0x00, 0x00, 0x00}, 4},
271 		/* {{0x13, 0x29, 0x01, 0x0c, 0x00, 0x00}, 4}, */
272 		{{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
273 		{{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
274 		/* {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4}, */
275 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
276 		{{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4},
277 		/* {{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4}, */
278 		{{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4},
279 		{{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4},
280 		{{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
281 		{{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
282 		{{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},
283 		{{0x11, 0x02, 0x06, 0x00, 0x00, 0x00}, 4},
284 		{{0x11, 0x03, 0x13, 0x00, 0x00, 0x00}, 4}, /*don't mess with*/
285 		/*{{0x11, 0x04, 0x06, 0x00, 0x00, 0x00}, 4}, observed */
286 		{{0x11, 0x04, 0x00, 0x00, 0x00, 0x00}, 4}, /* brighter */
287 		/*{{0x11, 0x05, 0x65, 0x00, 0x00, 0x00}, 4}, observed */
288 		{{0x11, 0x05, 0x00, 0x00, 0x00, 0x00}, 4}, /* brighter */
289 		{{0x11, 0x06, 0xb1, 0x00, 0x00, 0x00}, 4}, /* observed */
290 		{{0x11, 0x07, 0x00, 0x00, 0x00, 0x00}, 4},
291 		/*{{0x11, 0x08, 0x06, 0x00, 0x00, 0x00}, 4}, observed */
292 		{{0x11, 0x08, 0x0b, 0x00, 0x00, 0x00}, 4},
293 		{{0x11, 0x09, 0x01, 0x00, 0x00, 0x00}, 4},
294 		{{0x11, 0x0a, 0x01, 0x00, 0x00, 0x00}, 4},
295 		{{0x11, 0x0b, 0x01, 0x00, 0x00, 0x00}, 4},
296 		{{0x11, 0x0c, 0x01, 0x00, 0x00, 0x00}, 4},
297 		{{0x11, 0x0d, 0x00, 0x00, 0x00, 0x00}, 4},
298 		{{0x11, 0x0e, 0x04, 0x00, 0x00, 0x00}, 4},
299 		/* {{0x11, 0x0f, 0x00, 0x00, 0x00, 0x00}, 4}, */
300 		/* brightness or gain. 0 is default. 4 is good
301 		 * indoors at night with incandescent lighting */
302 		{{0x11, 0x0f, 0x04, 0x00, 0x00, 0x00}, 4},
303 		{{0x11, 0x10, 0x06, 0x00, 0x00, 0x00}, 4}, /*hstart or hoffs*/
304 		{{0x11, 0x11, 0x06, 0x00, 0x00, 0x00}, 4},
305 		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
306 		{{0x11, 0x14, 0x02, 0x00, 0x00, 0x00}, 4},
307 		{{0x11, 0x13, 0x01, 0x00, 0x00, 0x00}, 4},
308 		/* {{0x1b, 0x02, 0x06, 0x00, 0x00, 0x00}, 1}, observed */
309 		{{0x1b, 0x02, 0x11, 0x00, 0x00, 0x00}, 1}, /* brighter */
310 		/* {{0x1b, 0x13, 0x01, 0x00, 0x00, 0x00}, 1}, observed */
311 		{{0x1b, 0x13, 0x11, 0x00, 0x00, 0x00}, 1},
312 		{{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 1}, /* compresses */
313 		/* Camera should start to capture now. */
314 	};
315 
316 	return run_start_commands(gspca_dev, spy_start_commands,
317 				  ARRAY_SIZE(spy_start_commands));
318 }
319 
start_cif_cam(struct gspca_dev * gspca_dev)320 static int start_cif_cam(struct gspca_dev *gspca_dev)
321 {
322 	struct init_command cif_start_commands[] = {
323 		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
324 		/* The entire sequence below seems redundant */
325 		/* {{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
326 		{{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
327 		{{0x13, 0x22, 0x01, 0x06, 0x00, 0x00}, 4},
328 		{{0x13, 0x23, 0x01, 0x02, 0x00, 0x00}, 4},
329 		{{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
330 		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4}, width?
331 		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4}, height?
332 		{{0x13, 0x27, 0x01, 0x68, 0x00, 0x00}, 4}, subsample?
333 		{{0x13, 0x28, 0x01, 0x00, 0x00, 0x00}, 4},
334 		{{0x13, 0x29, 0x01, 0x20, 0x00, 0x00}, 4},
335 		{{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
336 		{{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
337 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
338 		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
339 		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
340 		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
341 		{{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
342 		{{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
343 		{{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},*/
344 		{{0x1b, 0x21, 0x00, 0x00, 0x00, 0x00}, 1},
345 		{{0x1b, 0x17, 0x00, 0x00, 0x00, 0x00}, 1},
346 		{{0x1b, 0x19, 0x00, 0x00, 0x00, 0x00}, 1},
347 		{{0x1b, 0x02, 0x06, 0x00, 0x00, 0x00}, 1},
348 		{{0x1b, 0x03, 0x5a, 0x00, 0x00, 0x00}, 1},
349 		{{0x1b, 0x04, 0x27, 0x00, 0x00, 0x00}, 1},
350 		{{0x1b, 0x05, 0x01, 0x00, 0x00, 0x00}, 1},
351 		{{0x1b, 0x12, 0x14, 0x00, 0x00, 0x00}, 1},
352 		{{0x1b, 0x13, 0x00, 0x00, 0x00, 0x00}, 1},
353 		{{0x1b, 0x14, 0x00, 0x00, 0x00, 0x00}, 1},
354 		{{0x1b, 0x15, 0x00, 0x00, 0x00, 0x00}, 1},
355 		{{0x1b, 0x16, 0x00, 0x00, 0x00, 0x00}, 1},
356 		{{0x1b, 0x77, 0xa2, 0x00, 0x00, 0x00}, 1},
357 		{{0x1b, 0x06, 0x0f, 0x00, 0x00, 0x00}, 1},
358 		{{0x1b, 0x07, 0x14, 0x00, 0x00, 0x00}, 1},
359 		{{0x1b, 0x08, 0x0f, 0x00, 0x00, 0x00}, 1},
360 		{{0x1b, 0x09, 0x10, 0x00, 0x00, 0x00}, 1},
361 		{{0x1b, 0x0e, 0x00, 0x00, 0x00, 0x00}, 1},
362 		{{0x1b, 0x0f, 0x00, 0x00, 0x00, 0x00}, 1},
363 		{{0x1b, 0x12, 0x07, 0x00, 0x00, 0x00}, 1},
364 		{{0x1b, 0x10, 0x1f, 0x00, 0x00, 0x00}, 1},
365 		{{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 1},
366 		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 1}, /* width/8 */
367 		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 1}, /* height/8 */
368 		/* {{0x13, 0x27, 0x01, 0x68, 0x00, 0x00}, 4}, subsample?
369 		 * {{0x13, 0x28, 0x01, 0x1e, 0x00, 0x00}, 4}, does nothing
370 		 * {{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4}, */
371 		/* {{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4},
372 		 * causes subsampling
373 		 * but not a change in the resolution setting! */
374 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
375 		{{0x13, 0x2d, 0x01, 0x01, 0x00, 0x00}, 4},
376 		{{0x13, 0x2e, 0x01, 0x08, 0x00, 0x00}, 4},
377 		{{0x13, 0x2f, 0x01, 0x06, 0x00, 0x00}, 4},
378 		{{0x13, 0x28, 0x01, 0x00, 0x00, 0x00}, 4},
379 		{{0x1b, 0x04, 0x6d, 0x00, 0x00, 0x00}, 1},
380 		{{0x1b, 0x05, 0x03, 0x00, 0x00, 0x00}, 1},
381 		{{0x20, 0x36, 0x06, 0x00, 0x00, 0x00}, 1},
382 		{{0x1b, 0x0e, 0x01, 0x00, 0x00, 0x00}, 1},
383 		{{0x12, 0x27, 0x01, 0x00, 0x00, 0x00}, 4},
384 		{{0x1b, 0x0f, 0x00, 0x00, 0x00, 0x00}, 1},
385 		{{0x20, 0x36, 0x05, 0x00, 0x00, 0x00}, 1},
386 		{{0x1b, 0x10, 0x0f, 0x00, 0x00, 0x00}, 1},
387 		{{0x1b, 0x02, 0x06, 0x00, 0x00, 0x00}, 1},
388 		{{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 1},
389 		{{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 1},/* use compression */
390 		/* Camera should start to capture now. */
391 	};
392 
393 	return run_start_commands(gspca_dev, cif_start_commands,
394 				  ARRAY_SIZE(cif_start_commands));
395 }
396 
start_ms350_cam(struct gspca_dev * gspca_dev)397 static int start_ms350_cam(struct gspca_dev *gspca_dev)
398 {
399 	struct init_command ms350_start_commands[] = {
400 		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
401 		{{0x16, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
402 		{{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
403 		{{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
404 		{{0x13, 0x22, 0x01, 0x04, 0x00, 0x00}, 4},
405 		{{0x13, 0x23, 0x01, 0x03, 0x00, 0x00}, 4},
406 		{{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
407 		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4},
408 		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4},
409 		{{0x13, 0x27, 0x01, 0x28, 0x00, 0x00}, 4},
410 		{{0x13, 0x28, 0x01, 0x09, 0x00, 0x00}, 4},
411 		{{0x13, 0x29, 0x01, 0x00, 0x00, 0x00}, 4},
412 		{{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
413 		{{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
414 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
415 		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
416 		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
417 		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
418 		{{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
419 		{{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
420 		{{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},
421 		{{0x11, 0x00, 0x01, 0x00, 0x00, 0x00}, 4},
422 		{{0x11, 0x01, 0x70, 0x00, 0x00, 0x00}, 4},
423 		{{0x11, 0x02, 0x05, 0x00, 0x00, 0x00}, 4},
424 		{{0x11, 0x03, 0x5d, 0x00, 0x00, 0x00}, 4},
425 		{{0x11, 0x04, 0x07, 0x00, 0x00, 0x00}, 4},
426 		{{0x11, 0x05, 0x25, 0x00, 0x00, 0x00}, 4},
427 		{{0x11, 0x06, 0x00, 0x00, 0x00, 0x00}, 4},
428 		{{0x11, 0x07, 0x09, 0x00, 0x00, 0x00}, 4},
429 		{{0x11, 0x08, 0x01, 0x00, 0x00, 0x00}, 4},
430 		{{0x11, 0x09, 0x00, 0x00, 0x00, 0x00}, 4},
431 		{{0x11, 0x0a, 0x00, 0x00, 0x00, 0x00}, 4},
432 		{{0x11, 0x0b, 0x01, 0x00, 0x00, 0x00}, 4},
433 		{{0x11, 0x0c, 0x00, 0x00, 0x00, 0x00}, 4},
434 		{{0x11, 0x0d, 0x0c, 0x00, 0x00, 0x00}, 4},
435 		{{0x11, 0x0e, 0x01, 0x00, 0x00, 0x00}, 4},
436 		{{0x11, 0x0f, 0x00, 0x00, 0x00, 0x00}, 4},
437 		{{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
438 		{{0x11, 0x11, 0x00, 0x00, 0x00, 0x00}, 4},
439 		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
440 		{{0x11, 0x13, 0x63, 0x00, 0x00, 0x00}, 4},
441 		{{0x11, 0x15, 0x70, 0x00, 0x00, 0x00}, 4},
442 		{{0x11, 0x18, 0x00, 0x00, 0x00, 0x00}, 4},
443 		{{0x11, 0x11, 0x01, 0x00, 0x00, 0x00}, 4},
444 		{{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4}, /* width  */
445 		{{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4}, /* height */
446 		{{0x13, 0x28, 0x01, 0x09, 0x00, 0x00}, 4}, /* vstart? */
447 		{{0x13, 0x27, 0x01, 0x28, 0x00, 0x00}, 4},
448 		{{0x13, 0x29, 0x01, 0x40, 0x00, 0x00}, 4}, /* hstart? */
449 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
450 		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
451 		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
452 		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
453 		{{0x1b, 0x02, 0x05, 0x00, 0x00, 0x00}, 1},
454 		{{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 1},
455 		{{0x20, 0x18, 0x00, 0x00, 0x00, 0x00}, 1},
456 		{{0x1b, 0x02, 0x0a, 0x00, 0x00, 0x00}, 1},
457 		{{0x1b, 0x11, 0x01, 0x00, 0x00, 0x00}, 0},
458 		/* Camera should start to capture now. */
459 	};
460 
461 	return run_start_commands(gspca_dev, ms350_start_commands,
462 				  ARRAY_SIZE(ms350_start_commands));
463 }
464 
start_genius_cam(struct gspca_dev * gspca_dev)465 static int start_genius_cam(struct gspca_dev *gspca_dev)
466 {
467 	struct init_command genius_start_commands[] = {
468 		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
469 		{{0x16, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
470 		{{0x10, 0x00, 0x00, 0x00, 0x00, 0x00}, 4},
471 		{{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4},
472 		{{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4},
473 		/* "preliminary" width and height settings */
474 		{{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4},
475 		{{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
476 		{{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4},
477 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
478 		{{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4},
479 		{{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4},
480 		{{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4},
481 		{{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
482 		{{0x11, 0x21, 0x2d, 0x00, 0x00, 0x00}, 4},
483 		{{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
484 		{{0x11, 0x23, 0x03, 0x00, 0x00, 0x00}, 4},
485 		{{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
486 		{{0x11, 0x11, 0x64, 0x00, 0x00, 0x00}, 4},
487 		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
488 		{{0x11, 0x13, 0x91, 0x00, 0x00, 0x00}, 4},
489 		{{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4},
490 		{{0x11, 0x15, 0x20, 0x00, 0x00, 0x00}, 4},
491 		{{0x11, 0x16, 0x01, 0x00, 0x00, 0x00}, 4},
492 		{{0x11, 0x17, 0x60, 0x00, 0x00, 0x00}, 4},
493 		{{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
494 		{{0x11, 0x21, 0x2d, 0x00, 0x00, 0x00}, 4},
495 		{{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
496 		{{0x11, 0x23, 0x03, 0x00, 0x00, 0x00}, 4},
497 		{{0x11, 0x25, 0x00, 0x00, 0x00, 0x00}, 4},
498 		{{0x11, 0x26, 0x02, 0x00, 0x00, 0x00}, 4},
499 		{{0x11, 0x27, 0x88, 0x00, 0x00, 0x00}, 4},
500 		{{0x11, 0x30, 0x38, 0x00, 0x00, 0x00}, 4},
501 		{{0x11, 0x31, 0x2a, 0x00, 0x00, 0x00}, 4},
502 		{{0x11, 0x32, 0x2a, 0x00, 0x00, 0x00}, 4},
503 		{{0x11, 0x33, 0x2a, 0x00, 0x00, 0x00}, 4},
504 		{{0x11, 0x34, 0x02, 0x00, 0x00, 0x00}, 4},
505 		{{0x11, 0x5b, 0x0a, 0x00, 0x00, 0x00}, 4},
506 		{{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4}, /* real width */
507 		{{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4}, /* real height */
508 		{{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4},
509 		{{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
510 		{{0x13, 0x29, 0x01, 0x62, 0x00, 0x00}, 4},
511 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
512 		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
513 		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
514 		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
515 		{{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
516 		{{0x11, 0x21, 0x2a, 0x00, 0x00, 0x00}, 4},
517 		{{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
518 		{{0x11, 0x23, 0x28, 0x00, 0x00, 0x00}, 4},
519 		{{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
520 		{{0x11, 0x11, 0x04, 0x00, 0x00, 0x00}, 4},
521 		{{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
522 		{{0x11, 0x13, 0x03, 0x00, 0x00, 0x00}, 4},
523 		{{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4},
524 		{{0x11, 0x15, 0xe0, 0x00, 0x00, 0x00}, 4},
525 		{{0x11, 0x16, 0x02, 0x00, 0x00, 0x00}, 4},
526 		{{0x11, 0x17, 0x80, 0x00, 0x00, 0x00}, 4},
527 		{{0x1c, 0x20, 0x00, 0x2a, 0x00, 0x00}, 1},
528 		{{0x1c, 0x20, 0x00, 0x2a, 0x00, 0x00}, 1},
529 		{{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 0}
530 		/* Camera should start to capture now. */
531 	};
532 
533 	return run_start_commands(gspca_dev, genius_start_commands,
534 				  ARRAY_SIZE(genius_start_commands));
535 }
536 
start_vivitar_cam(struct gspca_dev * gspca_dev)537 static int start_vivitar_cam(struct gspca_dev *gspca_dev)
538 {
539 	struct init_command vivitar_start_commands[] = {
540 		{{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
541 		{{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
542 		{{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
543 		{{0x13, 0x22, 0x01, 0x01, 0x00, 0x00}, 4},
544 		{{0x13, 0x23, 0x01, 0x01, 0x00, 0x00}, 4},
545 		{{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
546 		{{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4},
547 		{{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4},
548 		{{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
549 		{{0x13, 0x28, 0x01, 0x0a, 0x00, 0x00}, 4},
550 		/*
551 		 * Above is changed from OEM 0x0b. Fixes Bayer tiling.
552 		 * Presumably gives a vertical shift of one row.
553 		 */
554 		{{0x13, 0x29, 0x01, 0x20, 0x00, 0x00}, 4},
555 		/* Above seems to do horizontal shift. */
556 		{{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
557 		{{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
558 		{{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
559 		{{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
560 		{{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
561 		{{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
562 		/* Above three commands seem to relate to brightness. */
563 		{{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
564 		{{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
565 		{{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},
566 		{{0x1b, 0x12, 0x80, 0x00, 0x00, 0x00}, 1},
567 		{{0x1b, 0x01, 0x77, 0x00, 0x00, 0x00}, 1},
568 		{{0x1b, 0x02, 0x3a, 0x00, 0x00, 0x00}, 1},
569 		{{0x1b, 0x12, 0x78, 0x00, 0x00, 0x00}, 1},
570 		{{0x1b, 0x13, 0x00, 0x00, 0x00, 0x00}, 1},
571 		{{0x1b, 0x14, 0x80, 0x00, 0x00, 0x00}, 1},
572 		{{0x1b, 0x15, 0x34, 0x00, 0x00, 0x00}, 1},
573 		{{0x1b, 0x1b, 0x04, 0x00, 0x00, 0x00}, 1},
574 		{{0x1b, 0x20, 0x44, 0x00, 0x00, 0x00}, 1},
575 		{{0x1b, 0x23, 0xee, 0x00, 0x00, 0x00}, 1},
576 		{{0x1b, 0x26, 0xa0, 0x00, 0x00, 0x00}, 1},
577 		{{0x1b, 0x27, 0x9a, 0x00, 0x00, 0x00}, 1},
578 		{{0x1b, 0x28, 0xa0, 0x00, 0x00, 0x00}, 1},
579 		{{0x1b, 0x29, 0x30, 0x00, 0x00, 0x00}, 1},
580 		{{0x1b, 0x2a, 0x80, 0x00, 0x00, 0x00}, 1},
581 		{{0x1b, 0x2b, 0x00, 0x00, 0x00, 0x00}, 1},
582 		{{0x1b, 0x2f, 0x3d, 0x00, 0x00, 0x00}, 1},
583 		{{0x1b, 0x30, 0x24, 0x00, 0x00, 0x00}, 1},
584 		{{0x1b, 0x32, 0x86, 0x00, 0x00, 0x00}, 1},
585 		{{0x1b, 0x60, 0xa9, 0x00, 0x00, 0x00}, 1},
586 		{{0x1b, 0x61, 0x42, 0x00, 0x00, 0x00}, 1},
587 		{{0x1b, 0x65, 0x00, 0x00, 0x00, 0x00}, 1},
588 		{{0x1b, 0x69, 0x38, 0x00, 0x00, 0x00}, 1},
589 		{{0x1b, 0x6f, 0x88, 0x00, 0x00, 0x00}, 1},
590 		{{0x1b, 0x70, 0x0b, 0x00, 0x00, 0x00}, 1},
591 		{{0x1b, 0x71, 0x00, 0x00, 0x00, 0x00}, 1},
592 		{{0x1b, 0x74, 0x21, 0x00, 0x00, 0x00}, 1},
593 		{{0x1b, 0x75, 0x86, 0x00, 0x00, 0x00}, 1},
594 		{{0x1b, 0x76, 0x00, 0x00, 0x00, 0x00}, 1},
595 		{{0x1b, 0x7d, 0xf3, 0x00, 0x00, 0x00}, 1},
596 		{{0x1b, 0x17, 0x1c, 0x00, 0x00, 0x00}, 1},
597 		{{0x1b, 0x18, 0xc0, 0x00, 0x00, 0x00}, 1},
598 		{{0x1b, 0x19, 0x05, 0x00, 0x00, 0x00}, 1},
599 		{{0x1b, 0x1a, 0xf6, 0x00, 0x00, 0x00}, 1},
600 		/* {{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4},
601 		{{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4},
602 		{{0x13, 0x28, 0x01, 0x0b, 0x00, 0x00}, 4}, */
603 		{{0x20, 0x36, 0x06, 0x00, 0x00, 0x00}, 1},
604 		{{0x1b, 0x10, 0x26, 0x00, 0x00, 0x00}, 1},
605 		{{0x12, 0x27, 0x01, 0x00, 0x00, 0x00}, 4},
606 		{{0x1b, 0x76, 0x03, 0x00, 0x00, 0x00}, 1},
607 		{{0x20, 0x36, 0x05, 0x00, 0x00, 0x00}, 1},
608 		{{0x1b, 0x00, 0x3f, 0x00, 0x00, 0x00}, 1},
609 		/* Above is brightness; OEM driver setting is 0x10 */
610 		{{0x12, 0x27, 0x01, 0x00, 0x00, 0x00}, 4},
611 		{{0x20, 0x29, 0x30, 0x00, 0x00, 0x00}, 1},
612 		{{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 1}
613 	};
614 
615 	return run_start_commands(gspca_dev, vivitar_start_commands,
616 				  ARRAY_SIZE(vivitar_start_commands));
617 }
618 
sd_start(struct gspca_dev * gspca_dev)619 static int sd_start(struct gspca_dev *gspca_dev)
620 {
621 	struct sd *sd = (struct sd *) gspca_dev;
622 	int err_code;
623 
624 	sd->sof_read = 0;
625 
626 	switch (sd->model) {
627 	case 0x7005:
628 		err_code = start_genius_cam(gspca_dev);
629 		break;
630 	case 0x8001:
631 		err_code = start_spy_cam(gspca_dev);
632 		break;
633 	case 0x8003:
634 		err_code = start_cif_cam(gspca_dev);
635 		break;
636 	case 0x8008:
637 		err_code = start_ms350_cam(gspca_dev);
638 		break;
639 	case 0x800a:
640 		err_code = start_vivitar_cam(gspca_dev);
641 		break;
642 	default:
643 		pr_err("Starting unknown camera, please report this\n");
644 		return -ENXIO;
645 	}
646 
647 	return err_code;
648 }
649 
sd_stopN(struct gspca_dev * gspca_dev)650 static void sd_stopN(struct gspca_dev *gspca_dev)
651 {
652 	int result;
653 	__u8 data[6];
654 
655 	result = sn9c2028_read1(gspca_dev);
656 	if (result < 0)
657 		PDEBUG(D_ERR, "Camera Stop read failed");
658 
659 	memset(data, 0, 6);
660 	data[0] = 0x14;
661 	result = sn9c2028_command(gspca_dev, data);
662 	if (result < 0)
663 		PDEBUG(D_ERR, "Camera Stop command failed");
664 }
665 
666 /* Include sn9c2028 sof detection functions */
667 #include "sn9c2028.h"
668 
sd_pkt_scan(struct gspca_dev * gspca_dev,__u8 * data,int len)669 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
670 			__u8 *data,			/* isoc packet */
671 			int len)			/* iso packet length */
672 {
673 	unsigned char *sof;
674 
675 	sof = sn9c2028_find_sof(gspca_dev, data, len);
676 	if (sof) {
677 		int n;
678 
679 		/* finish decoding current frame */
680 		n = sof - data;
681 		if (n > sizeof sn9c2028_sof_marker)
682 			n -= sizeof sn9c2028_sof_marker;
683 		else
684 			n = 0;
685 		gspca_frame_add(gspca_dev, LAST_PACKET, data, n);
686 		/* Start next frame. */
687 		gspca_frame_add(gspca_dev, FIRST_PACKET,
688 			sn9c2028_sof_marker, sizeof sn9c2028_sof_marker);
689 		len -= sof - data;
690 		data = sof;
691 	}
692 	gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
693 }
694 
695 /* sub-driver description */
696 static const struct sd_desc sd_desc = {
697 	.name = MODULE_NAME,
698 	.ctrls = sd_ctrls,
699 	.nctrls = ARRAY_SIZE(sd_ctrls),
700 	.config = sd_config,
701 	.init = sd_init,
702 	.start = sd_start,
703 	.stopN = sd_stopN,
704 	.pkt_scan = sd_pkt_scan,
705 };
706 
707 /* -- module initialisation -- */
708 static const struct usb_device_id device_table[] = {
709 	{USB_DEVICE(0x0458, 0x7005)}, /* Genius Smart 300, version 2 */
710 	/* The Genius Smart is untested. I can't find an owner ! */
711 	/* {USB_DEVICE(0x0c45, 0x8000)}, DC31VC, Don't know this camera */
712 	{USB_DEVICE(0x0c45, 0x8001)}, /* Wild Planet digital spy cam */
713 	{USB_DEVICE(0x0c45, 0x8003)}, /* Several small CIF cameras */
714 	/* {USB_DEVICE(0x0c45, 0x8006)}, Unknown VGA camera */
715 	{USB_DEVICE(0x0c45, 0x8008)}, /* Mini-Shotz ms-350 */
716 	{USB_DEVICE(0x0c45, 0x800a)}, /* Vivicam 3350B */
717 	{}
718 };
719 MODULE_DEVICE_TABLE(usb, device_table);
720 
721 /* -- device connect -- */
sd_probe(struct usb_interface * intf,const struct usb_device_id * id)722 static int sd_probe(struct usb_interface *intf,
723 			const struct usb_device_id *id)
724 {
725 	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
726 			       THIS_MODULE);
727 }
728 
729 static struct usb_driver sd_driver = {
730 	.name = MODULE_NAME,
731 	.id_table = device_table,
732 	.probe = sd_probe,
733 	.disconnect = gspca_disconnect,
734 #ifdef CONFIG_PM
735 	.suspend = gspca_suspend,
736 	.resume = gspca_resume,
737 #endif
738 };
739 
740 module_usb_driver(sd_driver);
741