2 * Mars-Semi MR97311A library
3 * Copyright (C) 2005 <bradlch@hotmail.com>
5 * V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #define MODULE_NAME "mars"
27 #define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 1, 7)
28 static const char version[] = "2.1.7";
30 MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
31 MODULE_DESCRIPTION("GSPCA/Mars USB Camera Driver");
32 MODULE_LICENSE("GPL");
34 /* specific webcam descriptor */
36 struct gspca_dev gspca_dev; /* !! must be the first item */
41 /* V4L2 controls supported by the driver */
42 static struct ctrl sd_ctrls[] = {
45 static struct v4l2_pix_format vga_mode[] = {
46 {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
48 .sizeimage = 320 * 240 * 3 / 8 + 589,
49 .colorspace = V4L2_COLORSPACE_JPEG,
51 {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
53 .sizeimage = 640 * 480 * 3 / 8 + 590,
54 .colorspace = V4L2_COLORSPACE_JPEG,
58 /* MI Register table //elvis */
86 ATTR_TOTAL_MI_REG = 0xf2
89 /* the bytes to write are in gspca_dev->usb_buf */
90 static int reg_w(struct gspca_dev *gspca_dev,
95 rc = usb_control_msg(gspca_dev->dev,
96 usb_sndbulkpipe(gspca_dev->dev, 4),
100 index, gspca_dev->usb_buf, len, 500);
102 PDEBUG(D_ERR, "reg write [%02x] error %d", index, rc);
106 static int reg_w_buf(struct gspca_dev *gspca_dev,
107 __u16 index, __u8 *buf, int len)
111 rc = usb_control_msg(gspca_dev->dev,
112 usb_sndbulkpipe(gspca_dev->dev, 4),
116 index, buf, len, 500);
118 PDEBUG(D_ERR, "reg write [%02x] error %d", index, rc);
122 static void bulk_w(struct gspca_dev *gspca_dev,
126 gspca_dev->usb_buf[0] = 0x1f;
127 gspca_dev->usb_buf[1] = 0; /* control byte */
128 gspca_dev->usb_buf[2] = Address;
129 gspca_dev->usb_buf[3] = *pch >> 8; /* high byte */
130 gspca_dev->usb_buf[4] = *pch; /* low byte */
132 reg_w(gspca_dev, Address, 5);
135 /* this function is called at probe time */
136 static int sd_config(struct gspca_dev *gspca_dev,
137 const struct usb_device_id *id)
139 struct sd *sd = (struct sd *) gspca_dev;
142 cam = &gspca_dev->cam;
143 cam->dev_name = (char *) id->driver_info;
145 cam->cam_mode = vga_mode;
146 cam->nmodes = sizeof vga_mode / sizeof vga_mode[0];
147 sd->qindex = 1; /* set the quantization table */
151 /* this function is called at open time */
152 static int sd_open(struct gspca_dev *gspca_dev)
157 static void sd_start(struct gspca_dev *gspca_dev)
165 PDEBUG(D_STREAM, "camera start, iface %d, alt 8", gspca_dev->iface);
166 if (usb_set_interface(gspca_dev->dev, gspca_dev->iface, 8) < 0) {
167 PDEBUG(D_ERR|D_STREAM, "Set packet size: set interface error");
171 data = gspca_dev->usb_buf;
172 data[0] = 0x01; /* address */
175 err_code = reg_w(gspca_dev, data[0], 2);
180 Initialize the MR97113 chip register
182 data = kmalloc(16, GFP_KERNEL);
183 data[0] = 0x00; /* address */
184 data[1] = 0x0c | 0x01; /* reg 0 */
185 data[2] = 0x01; /* reg 1 */
186 h_size = gspca_dev->width;
187 v_size = gspca_dev->height;
188 data[3] = h_size / 8; /* h_size , reg 2 */
189 data[4] = v_size / 8; /* v_size , reg 3 */
190 data[5] = 0x30; /* reg 4, MI, PAS5101 :
191 * 0x30 for 24mhz , 0x28 for 12mhz */
192 data[6] = 4; /* reg 5, H start */
193 data[7] = 0xc0; /* reg 6, gamma 1.5 */
194 data[8] = 3; /* reg 7, V start */
195 /* if (h_size == 320 ) */
196 /* data[9]= 0x56; * reg 8, 24MHz, 2:1 scale down */
198 data[9] = 0x52; /* reg 8, 24MHz, no scale down */
199 data[10] = 0x5d; /* reg 9, I2C device address
200 * [for PAS5101 (0x40)] [for MI (0x5d)] */
202 err_code = reg_w_buf(gspca_dev, data[0], data, 11);
207 data = gspca_dev->usb_buf;
208 data[0] = 0x23; /* address */
209 data[1] = 0x09; /* reg 35, append frame header */
211 err_code = reg_w(gspca_dev, data[0], 2);
215 data[0] = 0x3c; /* address */
216 /* if (gspca_dev->width == 1280) */
217 /* data[1] = 200; * reg 60, pc-cam frame size
218 * (unit: 4KB) 800KB */
220 data[1] = 50; /* 50 reg 60, pc-cam frame size
221 * (unit: 4KB) 200KB */
222 err_code = reg_w(gspca_dev, data[0], 2);
226 if (0) { /* fixed dark-gain */
227 data[1] = 0; /* reg 94, Y Gain (1.75) */
228 data[2] = 0; /* reg 95, UV Gain (1.75) */
229 data[3] = 0x3f; /* reg 96, Y Gain/UV Gain/disable
231 data[4] = 0; /* reg 97, set fixed dark level */
232 data[5] = 0; /* reg 98, don't care */
233 } else { /* auto dark-gain */
234 data[1] = 0; /* reg 94, Y Gain (auto) */
235 data[2] = 0; /* reg 95, UV Gain (1.75) */
236 data[3] = 0x78; /* reg 96, Y Gain/UV Gain/disable
238 switch (gspca_dev->width) {
241 * reg 97, %3 shadow point (unit: 256 pixel) */
243 * reg 98, %1 highlight point
244 * (uint: 256 pixel) */
248 data[4] = 36; /* reg 97, %3 shadow point
249 * (unit: 256 pixel) */
250 data[5] = 12; /* reg 98, %1 highlight point
251 * (uint: 256 pixel) */
254 data[4] = 9; /* reg 97, %3 shadow point
255 * (unit: 256 pixel) */
256 data[5] = 3; /* reg 98, %1 highlight point
257 * (uint: 256 pixel) */
262 data[0] = 0x5e; /* address */
264 err_code = reg_w(gspca_dev, data[0], 6);
269 data[1] = 0x13; /* reg 103, first pixel B, disable sharpness */
270 err_code = reg_w(gspca_dev, data[0], 2);
275 * initialize the value of MI sensor...
277 MI_buf = kzalloc(ATTR_TOTAL_MI_REG * sizeof *MI_buf, GFP_KERNEL);
278 MI_buf[REG_HW_MI_1] = 0x000a;
279 MI_buf[REG_HW_MI_2] = 0x000c;
280 MI_buf[REG_HW_MI_3] = 0x0405;
281 MI_buf[REG_HW_MI_4] = 0x0507;
282 /* mi_Attr_Reg_[REG_HW_MI_5] = 0x01ff;//13 */
283 MI_buf[REG_HW_MI_5] = 0x0013; /* 13 */
284 MI_buf[REG_HW_MI_6] = 0x001f; /* vertical blanking */
285 /* mi_Attr_Reg_[REG_HW_MI_6] = 0x0400; // vertical blanking */
286 MI_buf[REG_HW_MI_7] = 0x0002;
287 /* mi_Attr_Reg_[REG_HW_MI_9] = 0x015f; */
288 /* mi_Attr_Reg_[REG_HW_MI_9] = 0x030f; */
289 MI_buf[REG_HW_MI_9] = 0x0374;
290 MI_buf[REG_HW_MI_B] = 0x0000;
291 MI_buf[REG_HW_MI_C] = 0x0000;
292 MI_buf[REG_HW_MI_D] = 0x0000;
293 MI_buf[REG_HW_MI_1E] = 0x8000;
294 /* mi_Attr_Reg_[REG_HW_MI_20] = 0x1104; */
295 MI_buf[REG_HW_MI_20] = 0x1104; /* 0x111c; */
296 MI_buf[REG_HW_MI_2B] = 0x0008;
297 /* mi_Attr_Reg_[REG_HW_MI_2C] = 0x000f; */
298 MI_buf[REG_HW_MI_2C] = 0x001f; /* lita suggest */
299 MI_buf[REG_HW_MI_2D] = 0x0008;
300 MI_buf[REG_HW_MI_2E] = 0x0008;
301 MI_buf[REG_HW_MI_35] = 0x0051;
302 MI_buf[REG_HW_MI_5F] = 0x0904; /* fail to write */
303 MI_buf[REG_HW_MI_60] = 0x0000;
304 MI_buf[REG_HW_MI_61] = 0x0000;
305 MI_buf[REG_HW_MI_62] = 0x0498;
306 MI_buf[REG_HW_MI_63] = 0x0000;
307 MI_buf[REG_HW_MI_64] = 0x0000;
308 MI_buf[REG_HW_MI_F1] = 0x0001;
309 /* changing while setting up the different value of dx/dy */
311 if (gspca_dev->width != 1280) {
312 MI_buf[0x01] = 0x010a;
313 MI_buf[0x02] = 0x014c;
314 MI_buf[0x03] = 0x01e5;
315 MI_buf[0x04] = 0x0287;
317 MI_buf[0x20] = 0x1104;
319 bulk_w(gspca_dev, MI_buf + 1, 1);
320 bulk_w(gspca_dev, MI_buf + 2, 2);
321 bulk_w(gspca_dev, MI_buf + 3, 3);
322 bulk_w(gspca_dev, MI_buf + 4, 4);
323 bulk_w(gspca_dev, MI_buf + 5, 5);
324 bulk_w(gspca_dev, MI_buf + 6, 6);
325 bulk_w(gspca_dev, MI_buf + 7, 7);
326 bulk_w(gspca_dev, MI_buf + 9, 9);
327 bulk_w(gspca_dev, MI_buf + 0x0b, 0x0b);
328 bulk_w(gspca_dev, MI_buf + 0x0c, 0x0c);
329 bulk_w(gspca_dev, MI_buf + 0x0d, 0x0d);
330 bulk_w(gspca_dev, MI_buf + 0x1e, 0x1e);
331 bulk_w(gspca_dev, MI_buf + 0x20, 0x20);
332 bulk_w(gspca_dev, MI_buf + 0x2b, 0x2b);
333 bulk_w(gspca_dev, MI_buf + 0x2c, 0x2c);
334 bulk_w(gspca_dev, MI_buf + 0x2d, 0x2d);
335 bulk_w(gspca_dev, MI_buf + 0x2e, 0x2e);
336 bulk_w(gspca_dev, MI_buf + 0x35, 0x35);
337 bulk_w(gspca_dev, MI_buf + 0x5f, 0x5f);
338 bulk_w(gspca_dev, MI_buf + 0x60, 0x60);
339 bulk_w(gspca_dev, MI_buf + 0x61, 0x61);
340 bulk_w(gspca_dev, MI_buf + 0x62, 0x62);
341 bulk_w(gspca_dev, MI_buf + 0x63, 0x63);
342 bulk_w(gspca_dev, MI_buf + 0x64, 0x64);
343 bulk_w(gspca_dev, MI_buf + 0xf1, 0xf1);
346 intpipe = usb_sndintpipe(gspca_dev->dev, 0);
347 err_code = usb_clear_halt(gspca_dev->dev, intpipe);
350 data[1] = 0x4d; /* ISOC transfering enable... */
351 reg_w(gspca_dev, data[0], 2);
354 static void sd_stopN(struct gspca_dev *gspca_dev)
358 gspca_dev->usb_buf[0] = 1;
359 gspca_dev->usb_buf[1] = 0;
360 result = reg_w(gspca_dev, gspca_dev->usb_buf[0], 2);
362 PDEBUG(D_ERR, "Camera Stop failed");
365 static void sd_stop0(struct gspca_dev *gspca_dev)
369 static void sd_close(struct gspca_dev *gspca_dev)
373 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
374 struct gspca_frame *frame, /* target */
375 __u8 *data, /* isoc packet */
376 int len) /* iso packet length */
378 struct sd *sd = (struct sd *) gspca_dev;
382 /* gspca_dev->last_packet_type = DISCARD_PACKET; */
385 for (p = 0; p < len - 6; p++) {
386 if (data[0 + p] == 0xff
387 && data[1 + p] == 0xff
388 && data[2 + p] == 0x00
389 && data[3 + p] == 0xff
390 && data[4 + p] == 0x96) {
391 if (data[5 + p] == 0x64
392 || data[5 + p] == 0x65
393 || data[5 + p] == 0x66
394 || data[5 + p] == 0x67) {
395 PDEBUG(D_PACK, "sof offset: %d leng: %d",
397 frame = gspca_frame_add(gspca_dev, LAST_PACKET,
400 /* put the JPEG header */
401 jpeg_put_header(gspca_dev, frame,
409 gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
412 /* sub-driver description */
413 static const struct sd_desc sd_desc = {
416 .nctrls = ARRAY_SIZE(sd_ctrls),
423 .pkt_scan = sd_pkt_scan,
426 /* -- module initialisation -- */
427 #define DVNM(name) .driver_info = (kernel_ulong_t) name
428 static const __devinitdata struct usb_device_id device_table[] = {
429 {USB_DEVICE(0x093a, 0x050f), DVNM("Mars-Semi Pc-Camera")},
432 MODULE_DEVICE_TABLE(usb, device_table);
434 /* -- device connect -- */
435 static int sd_probe(struct usb_interface *intf,
436 const struct usb_device_id *id)
438 return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
442 static struct usb_driver sd_driver = {
444 .id_table = device_table,
446 .disconnect = gspca_disconnect,
449 /* -- module insert / remove -- */
450 static int __init sd_mod_init(void)
452 if (usb_register(&sd_driver) < 0)
454 PDEBUG(D_PROBE, "v%s registered", version);
457 static void __exit sd_mod_exit(void)
459 usb_deregister(&sd_driver);
460 PDEBUG(D_PROBE, "deregistered");
463 module_init(sd_mod_init);
464 module_exit(sd_mod_exit);