Avoid beyond bounds copy while caching ACL
[zen-stable.git] / drivers / media / video / gspca / sn9c2028.c
blob478533cb1152ef15e7af49c9adef7b4f6c5d9a8a
1 /*
2 * SN9C2028 library
4 * Copyright (C) 2009 Theodore Kilgore <kilgota@auburn.edu>
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.
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.
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
21 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
23 #define MODULE_NAME "sn9c2028"
25 #include "gspca.h"
27 MODULE_AUTHOR("Theodore Kilgore");
28 MODULE_DESCRIPTION("Sonix SN9C2028 USB Camera Driver");
29 MODULE_LICENSE("GPL");
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;
38 struct init_command {
39 unsigned char instruction[6];
40 unsigned char to_read; /* length to read. 0 means no reply requested */
43 /* V4L2 controls supported by the driver */
44 static const struct ctrl sd_ctrls[] = {
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},
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},
65 /* the bytes to write are in gspca_dev->usb_buf */
66 static int sn9c2028_command(struct gspca_dev *gspca_dev, u8 *command)
68 int rc;
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]);
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;
85 return 0;
88 static int sn9c2028_read1(struct gspca_dev *gspca_dev)
90 int rc;
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;
101 PDEBUG(D_USBI, "read1 response %02x", gspca_dev->usb_buf[0]);
102 return gspca_dev->usb_buf[0];
105 static int sn9c2028_read4(struct gspca_dev *gspca_dev, u8 *reading)
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;
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;
123 static int sn9c2028_long_command(struct gspca_dev *gspca_dev, u8 *command)
125 int i, status;
126 __u8 reading[4];
128 status = sn9c2028_command(gspca_dev, command);
129 if (status < 0)
130 return status;
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;
140 memset(reading, 0, 4);
141 status = sn9c2028_read4(gspca_dev, reading);
142 if (status < 0)
143 return status;
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;
151 return 0;
154 static int sn9c2028_short_command(struct gspca_dev *gspca_dev, u8 *command)
156 int err_code;
158 err_code = sn9c2028_command(gspca_dev, command);
159 if (err_code < 0)
160 return err_code;
162 err_code = sn9c2028_read1(gspca_dev);
163 if (err_code < 0)
164 return err_code;
166 return 0;
169 /* this function is called at probe time */
170 static int sd_config(struct gspca_dev *gspca_dev,
171 const struct usb_device_id *id)
173 struct sd *sd = (struct sd *) gspca_dev;
174 struct cam *cam = &gspca_dev->cam;
176 PDEBUG(D_PROBE, "SN9C2028 camera detected (vid/pid 0x%04X:0x%04X)",
177 id->idVendor, id->idProduct);
179 sd->model = id->idProduct;
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;
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);
214 return 0;
217 /* this function is called at probe and resume time */
218 static int sd_init(struct gspca_dev *gspca_dev)
220 int status = -1;
222 sn9c2028_read1(gspca_dev);
223 sn9c2028_read1(gspca_dev);
224 status = sn9c2028_read1(gspca_dev);
226 return (status < 0) ? status : 0;
229 static int run_start_commands(struct gspca_dev *gspca_dev,
230 struct init_command *cam_commands, int n)
232 int i, err_code = -1;
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;
249 if (err_code < 0)
250 return err_code;
252 return 0;
255 static int start_spy_cam(struct gspca_dev *gspca_dev)
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. */
316 return run_start_commands(gspca_dev, spy_start_commands,
317 ARRAY_SIZE(spy_start_commands));
320 static int start_cif_cam(struct gspca_dev *gspca_dev)
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. */
393 return run_start_commands(gspca_dev, cif_start_commands,
394 ARRAY_SIZE(cif_start_commands));
397 static int start_ms350_cam(struct gspca_dev *gspca_dev)
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. */
461 return run_start_commands(gspca_dev, ms350_start_commands,
462 ARRAY_SIZE(ms350_start_commands));
465 static int start_genius_cam(struct gspca_dev *gspca_dev)
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. */
533 return run_start_commands(gspca_dev, genius_start_commands,
534 ARRAY_SIZE(genius_start_commands));
537 static int start_vivitar_cam(struct gspca_dev *gspca_dev)
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},
551 * Above is changed from OEM 0x0b. Fixes Bayer tiling.
552 * Presumably gives a vertical shift of one row.
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}
615 return run_start_commands(gspca_dev, vivitar_start_commands,
616 ARRAY_SIZE(vivitar_start_commands));
619 static int sd_start(struct gspca_dev *gspca_dev)
621 struct sd *sd = (struct sd *) gspca_dev;
622 int err_code;
624 sd->sof_read = 0;
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;
647 return err_code;
650 static void sd_stopN(struct gspca_dev *gspca_dev)
652 int result;
653 __u8 data[6];
655 result = sn9c2028_read1(gspca_dev);
656 if (result < 0)
657 PDEBUG(D_ERR, "Camera Stop read failed");
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");
666 /* Include sn9c2028 sof detection functions */
667 #include "sn9c2028.h"
669 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
670 __u8 *data, /* isoc packet */
671 int len) /* iso packet length */
673 unsigned char *sof;
675 sof = sn9c2028_find_sof(gspca_dev, data, len);
676 if (sof) {
677 int n;
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;
692 gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
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,
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 */
719 MODULE_DEVICE_TABLE(usb, device_table);
721 /* -- device connect -- */
722 static int sd_probe(struct usb_interface *intf,
723 const struct usb_device_id *id)
725 return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
726 THIS_MODULE);
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
740 module_usb_driver(sd_driver);