2 * ov534-ov9xxx gspca driver
4 * Copyright (C) 2009-2011 Jean-Francois Moine http://moinejf.free.fr
5 * Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it>
6 * Copyright (C) 2008 Jim Paris <jim@jtan.com>
8 * Based on a prototype written by Mark Ferrell <majortrips@gmail.com>
9 * USB protocol reverse engineered by Jim Paris <jim@jtan.com>
10 * https://jim.sh/svn/jim/devl/playstation/ps3/eye/test/
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
29 #define MODULE_NAME "ov534_9"
33 #define OV534_REG_ADDRESS 0xf1 /* sensor address */
34 #define OV534_REG_SUBADDR 0xf2
35 #define OV534_REG_WRITE 0xf3
36 #define OV534_REG_READ 0xf4
37 #define OV534_REG_OPERATION 0xf5
38 #define OV534_REG_STATUS 0xf6
40 #define OV534_OP_WRITE_3 0x37
41 #define OV534_OP_WRITE_2 0x33
42 #define OV534_OP_READ_2 0xf9
44 #define CTRL_TIMEOUT 500
46 MODULE_AUTHOR("Jean-Francois Moine <moinejf@free.fr>");
47 MODULE_DESCRIPTION("GSPCA/OV534_9 USB Camera Driver");
48 MODULE_LICENSE("GPL");
59 NCTRLS /* number of controls */
62 /* specific webcam descriptor */
64 struct gspca_dev gspca_dev; /* !! must be the first item */
65 struct gspca_ctrl ctrls[NCTRLS];
72 SENSOR_OV965x, /* ov9657 */
73 SENSOR_OV971x, /* ov9712 */
74 SENSOR_OV562x, /* ov5621 */
78 /* V4L2 controls supported by the driver */
79 static void setbrightness(struct gspca_dev *gspca_dev);
80 static void setcontrast(struct gspca_dev *gspca_dev);
81 static void setautogain(struct gspca_dev *gspca_dev);
82 static void setexposure(struct gspca_dev *gspca_dev);
83 static void setsharpness(struct gspca_dev *gspca_dev);
84 static void setsatur(struct gspca_dev *gspca_dev);
85 static void setlightfreq(struct gspca_dev *gspca_dev);
87 static const struct ctrl sd_ctrls[NCTRLS] = {
90 .id = V4L2_CID_BRIGHTNESS,
91 .type = V4L2_CTRL_TYPE_INTEGER,
98 .set_control = setbrightness
102 .id = V4L2_CID_CONTRAST,
103 .type = V4L2_CTRL_TYPE_INTEGER,
110 .set_control = setcontrast
114 .id = V4L2_CID_AUTOGAIN,
115 .type = V4L2_CTRL_TYPE_BOOLEAN,
120 #define AUTOGAIN_DEF 1
121 .default_value = AUTOGAIN_DEF,
123 .set_control = setautogain
127 .id = V4L2_CID_EXPOSURE,
128 .type = V4L2_CTRL_TYPE_INTEGER,
135 .set_control = setexposure
139 .id = V4L2_CID_SHARPNESS,
140 .type = V4L2_CTRL_TYPE_INTEGER,
142 .minimum = -1, /* -1 = auto */
147 .set_control = setsharpness
151 .id = V4L2_CID_SATURATION,
152 .type = V4L2_CTRL_TYPE_INTEGER,
153 .name = "Saturation",
159 .set_control = setsatur
163 .id = V4L2_CID_POWER_LINE_FREQUENCY,
164 .type = V4L2_CTRL_TYPE_MENU,
165 .name = "Light frequency filter",
167 .maximum = 2, /* 0: 0, 1: 50Hz, 2:60Hz */
171 .set_control = setlightfreq
175 static const struct v4l2_pix_format ov965x_mode[] = {
177 {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
179 .sizeimage = 320 * 240 * 3 / 8 + 590,
180 .colorspace = V4L2_COLORSPACE_JPEG},
182 {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
184 .sizeimage = 640 * 480 * 3 / 8 + 590,
185 .colorspace = V4L2_COLORSPACE_JPEG},
187 {800, 600, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
189 .sizeimage = 800 * 600 * 3 / 8 + 590,
190 .colorspace = V4L2_COLORSPACE_JPEG},
192 {1024, 768, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
193 .bytesperline = 1024,
194 .sizeimage = 1024 * 768 * 3 / 8 + 590,
195 .colorspace = V4L2_COLORSPACE_JPEG},
197 {1280, 1024, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
198 .bytesperline = 1280,
199 .sizeimage = 1280 * 1024 * 3 / 8 + 590,
200 .colorspace = V4L2_COLORSPACE_JPEG},
203 static const struct v4l2_pix_format ov971x_mode[] = {
204 {640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
206 .sizeimage = 640 * 480,
207 .colorspace = V4L2_COLORSPACE_SRGB
211 static const struct v4l2_pix_format ov562x_mode[] = {
212 {2592, 1680, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
213 .bytesperline = 2592,
214 .sizeimage = 2592 * 1680,
215 .colorspace = V4L2_COLORSPACE_SRGB
219 static const u8 bridge_init[][2] = {
253 static const u8 ov965x_init[][2] = {
254 {0x12, 0x80}, /* com7 - SSCB reset */
255 {0x00, 0x00}, /* gain */
256 {0x01, 0x80}, /* blue */
257 {0x02, 0x80}, /* red */
258 {0x03, 0x1b}, /* vref */
259 {0x04, 0x03}, /* com1 - exposure low bits */
260 {0x0b, 0x57}, /* ver */
261 {0x0e, 0x61}, /* com5 */
262 {0x0f, 0x42}, /* com6 */
263 {0x11, 0x00}, /* clkrc */
264 {0x12, 0x02}, /* com7 - 15fps VGA YUYV */
265 {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
266 {0x14, 0x28}, /* com9 */
267 {0x16, 0x24}, /* reg16 */
268 {0x17, 0x1d}, /* hstart*/
269 {0x18, 0xbd}, /* hstop */
270 {0x19, 0x01}, /* vstrt */
271 {0x1a, 0x81}, /* vstop*/
272 {0x1e, 0x04}, /* mvfp */
273 {0x24, 0x3c}, /* aew */
274 {0x25, 0x36}, /* aeb */
275 {0x26, 0x71}, /* vpt */
276 {0x27, 0x08}, /* bbias */
277 {0x28, 0x08}, /* gbbias */
278 {0x29, 0x15}, /* gr com */
279 {0x2a, 0x00}, /* exhch */
280 {0x2b, 0x00}, /* exhcl */
281 {0x2c, 0x08}, /* rbias */
282 {0x32, 0xff}, /* href */
283 {0x33, 0x00}, /* chlf */
284 {0x34, 0x3f}, /* aref1 */
285 {0x35, 0x00}, /* aref2 */
286 {0x36, 0xf8}, /* aref3 */
287 {0x38, 0x72}, /* adc2 */
288 {0x39, 0x57}, /* aref4 */
289 {0x3a, 0x80}, /* tslb - yuyv */
290 {0x3b, 0xc4}, /* com11 - night mode 1/4 frame rate */
291 {0x3d, 0x99}, /* com13 */
292 {0x3f, 0xc1}, /* edge */
293 {0x40, 0xc0}, /* com15 */
294 {0x41, 0x40}, /* com16 */
295 {0x42, 0xc0}, /* com17 */
296 {0x43, 0x0a}, /* rsvd */
307 {0x4f, 0x98}, /* matrix */
313 {0x58, 0x1a}, /* matrix coef sign */
314 {0x59, 0x85}, /* AWB control */
320 {0x5f, 0xf0}, /* AWB blue limit */
321 {0x60, 0xf0}, /* AWB red limit */
322 {0x61, 0xf0}, /* AWB green limit */
323 {0x62, 0x00}, /* lcc1 */
324 {0x63, 0x00}, /* lcc2 */
325 {0x64, 0x02}, /* lcc3 */
326 {0x65, 0x16}, /* lcc4 */
327 {0x66, 0x01}, /* lcc5 */
328 {0x69, 0x02}, /* hv */
329 {0x6b, 0x5a}, /* dbvl */
334 {0x70, 0x21}, /* dnsth */
336 {0x72, 0x00}, /* poidx */
337 {0x73, 0x01}, /* pckdv */
338 {0x74, 0x3a}, /* xindx */
339 {0x75, 0x35}, /* yindx */
342 {0x7a, 0x12}, /* gamma curve */
359 {0x8c, 0x89}, /* com19 */
360 {0x14, 0x28}, /* com9 */
363 {0x9d, 0x03}, /* lcc6 */
364 {0x9e, 0x04}, /* lcc7 */
367 {0xa1, 0x40}, /* aechm */
368 {0xa4, 0x50}, /* com21 */
369 {0xa5, 0x68}, /* com26 */
370 {0xa6, 0x4a}, /* AWB green */
371 {0xa8, 0xc1}, /* refa8 */
372 {0xa9, 0xef}, /* refa9 */
375 {0xac, 0x80}, /* black level control */
381 {0xb4, 0x20}, /* ctrlb4 */
385 {0xbc, 0x7f}, /* ADC channel offsets */
394 {0xc7, 0x80}, /* com24 */
400 {0x4f, 0x98}, /* matrix */
407 {0xff, 0x41}, /* read 41, write ff 00 */
408 {0x41, 0x40}, /* com16 */
410 {0xc5, 0x03}, /* 60 Hz banding filter */
411 {0x6a, 0x02}, /* 50 Hz banding filter */
413 {0x12, 0x62}, /* com7 - 30fps VGA YUV */
414 {0x36, 0xfa}, /* aref3 */
415 {0x69, 0x0a}, /* hv */
416 {0x8c, 0x89}, /* com22 */
417 {0x14, 0x28}, /* com9 */
419 {0x41, 0x40}, /* com16 */
426 {0x03, 0x12}, /* vref */
427 {0x17, 0x16}, /* hstart */
428 {0x18, 0x02}, /* hstop */
429 {0x19, 0x01}, /* vstrt */
430 {0x1a, 0x3d}, /* vstop */
431 {0x32, 0xff}, /* href */
435 static const u8 bridge_init_2[][2] = {
463 static const u8 ov965x_init_2[][2] = {
465 {0x1e, 0x04}, /* mvfp */
466 {0x13, 0xe0}, /* com8 */
467 {0x00, 0x00}, /* gain */
468 {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
469 {0x11, 0x03}, /* clkrc */
470 {0x6b, 0x5a}, /* dblv */
476 {0xff, 0x42}, /* read 42, write ff 00 */
477 {0x42, 0xc0}, /* com17 */
479 {0xff, 0x42}, /* read 42, write ff 00 */
480 {0x42, 0xc1}, /* com17 */
483 {0xff, 0x42}, /* read 42, write ff 00 */
484 {0x42, 0xc1}, /* com17 */
486 {0x4f, 0x98}, /* matrix */
493 {0xff, 0x41}, /* read 41, write ff 00 */
494 {0x41, 0x40}, /* com16 */
500 {0x10, 0x25}, /* aech - exposure high bits */
501 {0xff, 0x13}, /* read 13, write ff 00 */
502 {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
505 static const u8 ov971x_init[][2] = {
529 {0x98, 0x40}, /*{0x98, 0x00},*/
530 {0x99, 0xA0}, /*{0x99, 0x00},*/
531 {0x9a, 0x01}, /*{0x9a, 0x00},*/
533 {0x58, 0x78}, /*{0x58, 0xc8},*/
534 {0x59, 0x50}, /*{0x59, 0xa0},*/
539 {0xbd, 0x50}, /*{0xbd, 0xa0},*/
540 {0xbe, 0x78}, /*{0xbe, 0xc8},*/
563 static const u8 ov965x_start_1_vga[][2] = { /* same for qvga */
564 {0x12, 0x62}, /* com7 - 30fps VGA YUV */
565 {0x36, 0xfa}, /* aref3 */
566 {0x69, 0x0a}, /* hv */
567 {0x8c, 0x89}, /* com22 */
568 {0x14, 0x28}, /* com9 */
569 {0x3e, 0x0c}, /* com14 */
570 {0x41, 0x40}, /* com16 */
576 {0xc7, 0x80}, /* com24 */
577 {0x03, 0x12}, /* vref */
578 {0x17, 0x16}, /* hstart */
579 {0x18, 0x02}, /* hstop */
580 {0x19, 0x01}, /* vstrt */
581 {0x1a, 0x3d}, /* vstop */
582 {0x32, 0xff}, /* href */
586 static const u8 ov965x_start_1_svga[][2] = {
587 {0x12, 0x02}, /* com7 - YUYV - VGA 15 full resolution */
588 {0x36, 0xf8}, /* aref3 */
589 {0x69, 0x02}, /* hv */
590 {0x8c, 0x0d}, /* com22 */
591 {0x3e, 0x0c}, /* com14 */
592 {0x41, 0x40}, /* com16 */
598 {0xc7, 0x80}, /* com24 */
599 {0x03, 0x1b}, /* vref */
600 {0x17, 0x1d}, /* hstart */
601 {0x18, 0xbd}, /* hstop */
602 {0x19, 0x01}, /* vstrt */
603 {0x1a, 0x81}, /* vstop */
604 {0x32, 0xff}, /* href */
608 static const u8 ov965x_start_1_xga[][2] = {
609 {0x12, 0x02}, /* com7 */
610 {0x36, 0xf8}, /* aref3 */
611 {0x69, 0x02}, /* hv */
612 {0x8c, 0x89}, /* com22 */
613 {0x14, 0x28}, /* com9 */
614 {0x3e, 0x0c}, /* com14 */
615 {0x41, 0x40}, /* com16 */
621 {0xc7, 0x80}, /* com24 */
622 {0x03, 0x1b}, /* vref */
623 {0x17, 0x1d}, /* hstart */
624 {0x18, 0xbd}, /* hstop */
625 {0x19, 0x01}, /* vstrt */
626 {0x1a, 0x81}, /* vstop */
627 {0x32, 0xff}, /* href */
631 static const u8 ov965x_start_1_sxga[][2] = {
632 {0x12, 0x02}, /* com7 */
633 {0x36, 0xf8}, /* aref3 */
634 {0x69, 0x02}, /* hv */
635 {0x8c, 0x89}, /* com22 */
636 {0x14, 0x28}, /* com9 */
637 {0x3e, 0x0c}, /* com14 */
638 {0x41, 0x40}, /* com16 */
644 {0xc7, 0x80}, /* com24 */
645 {0x03, 0x1b}, /* vref */
646 {0x17, 0x1d}, /* hstart */
647 {0x18, 0x02}, /* hstop */
648 {0x19, 0x01}, /* vstrt */
649 {0x1a, 0x81}, /* vstop */
650 {0x32, 0xff}, /* href */
654 static const u8 bridge_start_qvga[][2] = {
682 static const u8 bridge_start_vga[][2] = {
709 static const u8 bridge_start_svga[][2] = {
736 static const u8 bridge_start_xga[][2] = {
763 static const u8 bridge_start_sxga[][2] = {
780 static const u8 ov965x_start_2_qvga[][2] = {
781 {0x3b, 0xe4}, /* com11 - night mode 1/4 frame rate */
782 {0x1e, 0x04}, /* mvfp */
783 {0x13, 0xe0}, /* com8 */
785 {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
786 {0x11, 0x01}, /* clkrc */
787 {0x6b, 0x5a}, /* dblv */
788 {0x6a, 0x02}, /* 50 Hz banding filter */
789 {0xc5, 0x03}, /* 60 Hz banding filter */
790 {0xa2, 0x96}, /* bd50 */
791 {0xa3, 0x7d}, /* bd60 */
793 {0xff, 0x13}, /* read 13, write ff 00 */
795 {0x3a, 0x80}, /* tslb - yuyv */
798 static const u8 ov965x_start_2_vga[][2] = {
799 {0x3b, 0xc4}, /* com11 - night mode 1/4 frame rate */
800 {0x1e, 0x04}, /* mvfp */
801 {0x13, 0xe0}, /* com8 */
803 {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
804 {0x11, 0x03}, /* clkrc */
805 {0x6b, 0x5a}, /* dblv */
806 {0x6a, 0x05}, /* 50 Hz banding filter */
807 {0xc5, 0x07}, /* 60 Hz banding filter */
808 {0xa2, 0x4b}, /* bd50 */
809 {0xa3, 0x3e}, /* bd60 */
811 {0x2d, 0x00}, /* advfl */
814 static const u8 ov965x_start_2_svga[][2] = { /* same for xga */
815 {0x3b, 0xc4}, /* com11 - night mode 1/4 frame rate */
816 {0x1e, 0x04}, /* mvfp */
817 {0x13, 0xe0}, /* com8 */
819 {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
820 {0x11, 0x01}, /* clkrc */
821 {0x6b, 0x5a}, /* dblv */
822 {0x6a, 0x0c}, /* 50 Hz banding filter */
823 {0xc5, 0x0f}, /* 60 Hz banding filter */
824 {0xa2, 0x4e}, /* bd50 */
825 {0xa3, 0x41}, /* bd60 */
828 static const u8 ov965x_start_2_sxga[][2] = {
829 {0x13, 0xe0}, /* com8 */
831 {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
832 {0x3b, 0xc4}, /* com11 - night mode 1/4 frame rate */
833 {0x1e, 0x04}, /* mvfp */
834 {0x11, 0x01}, /* clkrc */
835 {0x6b, 0x5a}, /* dblv */
836 {0x6a, 0x0c}, /* 50 Hz banding filter */
837 {0xc5, 0x0f}, /* 60 Hz banding filter */
838 {0xa2, 0x4e}, /* bd50 */
839 {0xa3, 0x41}, /* bd60 */
842 static const u8 ov562x_init[][2] = {
858 static const u8 ov562x_init_2[][2] = {
960 static void reg_w_i(struct gspca_dev *gspca_dev, u16 reg, u8 val)
962 struct usb_device *udev = gspca_dev->dev;
965 if (gspca_dev->usb_err < 0)
967 gspca_dev->usb_buf[0] = val;
968 ret = usb_control_msg(udev,
969 usb_sndctrlpipe(udev, 0),
971 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
972 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
974 pr_err("reg_w failed %d\n", ret);
975 gspca_dev->usb_err = ret;
979 static void reg_w(struct gspca_dev *gspca_dev, u16 reg, u8 val)
981 PDEBUG(D_USBO, "reg_w [%04x] = %02x", reg, val);
982 reg_w_i(gspca_dev, reg, val);
985 static u8 reg_r(struct gspca_dev *gspca_dev, u16 reg)
987 struct usb_device *udev = gspca_dev->dev;
990 if (gspca_dev->usb_err < 0)
992 ret = usb_control_msg(udev,
993 usb_rcvctrlpipe(udev, 0),
995 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
996 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
997 PDEBUG(D_USBI, "reg_r [%04x] -> %02x", reg, gspca_dev->usb_buf[0]);
999 pr_err("reg_r err %d\n", ret);
1000 gspca_dev->usb_err = ret;
1002 return gspca_dev->usb_buf[0];
1005 static int sccb_check_status(struct gspca_dev *gspca_dev)
1010 for (i = 0; i < 5; i++) {
1011 data = reg_r(gspca_dev, OV534_REG_STATUS);
1021 PDEBUG(D_USBI|D_USBO,
1022 "sccb status 0x%02x, attempt %d/5",
1029 static void sccb_write(struct gspca_dev *gspca_dev, u8 reg, u8 val)
1031 PDEBUG(D_USBO, "sccb_write [%02x] = %02x", reg, val);
1032 reg_w_i(gspca_dev, OV534_REG_SUBADDR, reg);
1033 reg_w_i(gspca_dev, OV534_REG_WRITE, val);
1034 reg_w_i(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3);
1036 if (!sccb_check_status(gspca_dev))
1037 pr_err("sccb_write failed\n");
1040 static u8 sccb_read(struct gspca_dev *gspca_dev, u16 reg)
1042 reg_w(gspca_dev, OV534_REG_SUBADDR, reg);
1043 reg_w(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2);
1044 if (!sccb_check_status(gspca_dev))
1045 pr_err("sccb_read failed 1\n");
1047 reg_w(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2);
1048 if (!sccb_check_status(gspca_dev))
1049 pr_err("sccb_read failed 2\n");
1051 return reg_r(gspca_dev, OV534_REG_READ);
1054 /* output a bridge sequence (reg - val) */
1055 static void reg_w_array(struct gspca_dev *gspca_dev,
1056 const u8 (*data)[2], int len)
1058 while (--len >= 0) {
1059 reg_w(gspca_dev, (*data)[0], (*data)[1]);
1064 /* output a sensor sequence (reg - val) */
1065 static void sccb_w_array(struct gspca_dev *gspca_dev,
1066 const u8 (*data)[2], int len)
1068 while (--len >= 0) {
1069 if ((*data)[0] != 0xff) {
1070 sccb_write(gspca_dev, (*data)[0], (*data)[1]);
1072 sccb_read(gspca_dev, (*data)[1]);
1073 sccb_write(gspca_dev, 0xff, 0x00);
1079 /* Two bits control LED: 0x21 bit 7 and 0x23 bit 7.
1080 * (direction and output)? */
1081 static void set_led(struct gspca_dev *gspca_dev, int status)
1085 PDEBUG(D_CONF, "led status: %d", status);
1087 data = reg_r(gspca_dev, 0x21);
1089 reg_w(gspca_dev, 0x21, data);
1091 data = reg_r(gspca_dev, 0x23);
1097 reg_w(gspca_dev, 0x23, data);
1100 data = reg_r(gspca_dev, 0x21);
1102 reg_w(gspca_dev, 0x21, data);
1106 static void setbrightness(struct gspca_dev *gspca_dev)
1108 struct sd *sd = (struct sd *) gspca_dev;
1111 if (gspca_dev->ctrl_dis & (1 << BRIGHTNESS))
1113 val = sd->ctrls[BRIGHTNESS].val;
1115 val = 15 - val; /* f .. 8 */
1117 val = val - 8; /* 0 .. 7 */
1118 sccb_write(gspca_dev, 0x55, /* brtn - brightness adjustment */
1122 static void setcontrast(struct gspca_dev *gspca_dev)
1124 struct sd *sd = (struct sd *) gspca_dev;
1126 if (gspca_dev->ctrl_dis & (1 << CONTRAST))
1128 sccb_write(gspca_dev, 0x56, /* cnst1 - contrast 1 ctrl coeff */
1129 sd->ctrls[CONTRAST].val << 4);
1132 static void setautogain(struct gspca_dev *gspca_dev)
1134 struct sd *sd = (struct sd *) gspca_dev;
1137 if (gspca_dev->ctrl_dis & (1 << AUTOGAIN))
1139 /*fixme: should adjust agc/awb/aec by different controls */
1140 val = sccb_read(gspca_dev, 0x13); /* com8 */
1141 sccb_write(gspca_dev, 0xff, 0x00);
1142 if (sd->ctrls[AUTOGAIN].val)
1143 val |= 0x05; /* agc & aec */
1146 sccb_write(gspca_dev, 0x13, val);
1149 static void setexposure(struct gspca_dev *gspca_dev)
1151 struct sd *sd = (struct sd *) gspca_dev;
1153 static const u8 expo[4] = {0x00, 0x25, 0x38, 0x5e};
1155 if (gspca_dev->ctrl_dis & (1 << EXPOSURE))
1157 sccb_write(gspca_dev, 0x10, /* aec[9:2] */
1158 expo[sd->ctrls[EXPOSURE].val]);
1160 val = sccb_read(gspca_dev, 0x13); /* com8 */
1161 sccb_write(gspca_dev, 0xff, 0x00);
1162 sccb_write(gspca_dev, 0x13, val);
1164 val = sccb_read(gspca_dev, 0xa1); /* aech */
1165 sccb_write(gspca_dev, 0xff, 0x00);
1166 sccb_write(gspca_dev, 0xa1, val & 0xe0); /* aec[15:10] = 0 */
1169 static void setsharpness(struct gspca_dev *gspca_dev)
1171 struct sd *sd = (struct sd *) gspca_dev;
1174 if (gspca_dev->ctrl_dis & (1 << SHARPNESS))
1176 val = sd->ctrls[SHARPNESS].val;
1177 if (val < 0) { /* auto */
1178 val = sccb_read(gspca_dev, 0x42); /* com17 */
1179 sccb_write(gspca_dev, 0xff, 0x00);
1180 sccb_write(gspca_dev, 0x42, val | 0x40);
1181 /* Edge enhancement strength auto adjust */
1185 val = 1 << (val - 1);
1186 sccb_write(gspca_dev, 0x3f, /* edge - edge enhance. factor */
1188 val = sccb_read(gspca_dev, 0x42); /* com17 */
1189 sccb_write(gspca_dev, 0xff, 0x00);
1190 sccb_write(gspca_dev, 0x42, val & 0xbf);
1193 static void setsatur(struct gspca_dev *gspca_dev)
1195 struct sd *sd = (struct sd *) gspca_dev;
1196 u8 val1, val2, val3;
1197 static const u8 matrix[5][2] = {
1205 if (gspca_dev->ctrl_dis & (1 << SATUR))
1207 val1 = matrix[sd->ctrls[SATUR].val][0];
1208 val2 = matrix[sd->ctrls[SATUR].val][1];
1210 sccb_write(gspca_dev, 0x4f, val3); /* matrix coeff */
1211 sccb_write(gspca_dev, 0x50, val3);
1212 sccb_write(gspca_dev, 0x51, 0x00);
1213 sccb_write(gspca_dev, 0x52, val1);
1214 sccb_write(gspca_dev, 0x53, val2);
1215 sccb_write(gspca_dev, 0x54, val3);
1216 sccb_write(gspca_dev, 0x58, 0x1a); /* mtxs - coeff signs */
1218 val1 = sccb_read(gspca_dev, 0x41); /* com16 */
1219 sccb_write(gspca_dev, 0xff, 0x00);
1220 sccb_write(gspca_dev, 0x41, val1);
1223 static void setlightfreq(struct gspca_dev *gspca_dev)
1225 struct sd *sd = (struct sd *) gspca_dev;
1228 if (gspca_dev->ctrl_dis & (1 << LIGHTFREQ))
1230 val = sccb_read(gspca_dev, 0x13); /* com8 */
1231 sccb_write(gspca_dev, 0xff, 0x00);
1232 if (sd->ctrls[LIGHTFREQ].val == 0) {
1233 sccb_write(gspca_dev, 0x13, val & 0xdf);
1236 sccb_write(gspca_dev, 0x13, val | 0x20);
1238 val = sccb_read(gspca_dev, 0x42); /* com17 */
1239 sccb_write(gspca_dev, 0xff, 0x00);
1240 if (sd->ctrls[LIGHTFREQ].val == 1)
1244 sccb_write(gspca_dev, 0x42, val);
1247 /* this function is called at probe time */
1248 static int sd_config(struct gspca_dev *gspca_dev,
1249 const struct usb_device_id *id)
1251 struct sd *sd = (struct sd *) gspca_dev;
1253 gspca_dev->cam.ctrls = sd->ctrls;
1255 #if AUTOGAIN_DEF != 0
1256 gspca_dev->ctrl_inac |= (1 << EXPOSURE);
1261 /* this function is called at probe and resume time */
1262 static int sd_init(struct gspca_dev *gspca_dev)
1264 struct sd *sd = (struct sd *) gspca_dev;
1268 reg_w(gspca_dev, 0xe7, 0x3a);
1269 reg_w(gspca_dev, 0xe0, 0x08);
1272 /* initialize the sensor address */
1273 reg_w(gspca_dev, OV534_REG_ADDRESS, 0x60);
1276 sccb_write(gspca_dev, 0x12, 0x80);
1279 /* probe the sensor */
1280 sccb_read(gspca_dev, 0x0a);
1281 sensor_id = sccb_read(gspca_dev, 0x0a) << 8;
1282 sccb_read(gspca_dev, 0x0b);
1283 sensor_id |= sccb_read(gspca_dev, 0x0b);
1284 PDEBUG(D_PROBE, "Sensor ID: %04x", sensor_id);
1287 if ((sensor_id & 0xfff0) == 0x9650) {
1288 sd->sensor = SENSOR_OV965x;
1290 gspca_dev->cam.cam_mode = ov965x_mode;
1291 gspca_dev->cam.nmodes = ARRAY_SIZE(ov965x_mode);
1293 reg_w_array(gspca_dev, bridge_init,
1294 ARRAY_SIZE(bridge_init));
1295 sccb_w_array(gspca_dev, ov965x_init,
1296 ARRAY_SIZE(ov965x_init));
1297 reg_w_array(gspca_dev, bridge_init_2,
1298 ARRAY_SIZE(bridge_init_2));
1299 sccb_w_array(gspca_dev, ov965x_init_2,
1300 ARRAY_SIZE(ov965x_init_2));
1301 reg_w(gspca_dev, 0xe0, 0x00);
1302 reg_w(gspca_dev, 0xe0, 0x01);
1303 set_led(gspca_dev, 0);
1304 reg_w(gspca_dev, 0xe0, 0x00);
1305 } else if ((sensor_id & 0xfff0) == 0x9710) {
1309 sd->sensor = SENSOR_OV971x;
1311 gspca_dev->cam.cam_mode = ov971x_mode;
1312 gspca_dev->cam.nmodes = ARRAY_SIZE(ov971x_mode);
1314 /* no control yet */
1315 gspca_dev->ctrl_dis = (1 << NCTRLS) - 1;
1317 gspca_dev->cam.bulk = 1;
1318 gspca_dev->cam.bulk_size = 16384;
1319 gspca_dev->cam.bulk_nurbs = 2;
1321 sccb_w_array(gspca_dev, ov971x_init,
1322 ARRAY_SIZE(ov971x_init));
1324 /* set video format on bridge processor */
1325 /* access bridge processor's video format registers at: 0x00 */
1326 reg_w(gspca_dev, 0x1c, 0x00);
1327 /*set register: 0x00 is 'RAW8', 0x40 is 'YUV422' (YUYV?)*/
1328 reg_w(gspca_dev, 0x1d, 0x00);
1330 /* Will W. specific stuff
1332 * output (0x1f) if first webcam
1333 * input (0x17) if 2nd or 3rd webcam */
1334 p = video_device_node_name(&gspca_dev->vdev);
1337 reg_w(gspca_dev, 0x56, 0x1f);
1339 reg_w(gspca_dev, 0x56, 0x17);
1340 } else if ((sensor_id & 0xfff0) == 0x5620) {
1341 sd->sensor = SENSOR_OV562x;
1343 gspca_dev->cam.cam_mode = ov562x_mode;
1344 gspca_dev->cam.nmodes = ARRAY_SIZE(ov562x_mode);
1346 reg_w_array(gspca_dev, ov562x_init,
1347 ARRAY_SIZE(ov562x_init));
1348 sccb_w_array(gspca_dev, ov562x_init_2,
1349 ARRAY_SIZE(ov562x_init_2));
1350 reg_w(gspca_dev, 0xe0, 0x00);
1352 err("Unknown sensor %04x", sensor_id);
1356 return gspca_dev->usb_err;
1359 static int sd_start(struct gspca_dev *gspca_dev)
1361 struct sd *sd = (struct sd *) gspca_dev;
1363 if (sd->sensor == SENSOR_OV971x || sd->sensor == SENSOR_OV562x)
1364 return gspca_dev->usb_err;
1365 switch (gspca_dev->curr_mode) {
1366 case QVGA_MODE: /* 320x240 */
1367 sccb_w_array(gspca_dev, ov965x_start_1_vga,
1368 ARRAY_SIZE(ov965x_start_1_vga));
1369 reg_w_array(gspca_dev, bridge_start_qvga,
1370 ARRAY_SIZE(bridge_start_qvga));
1371 sccb_w_array(gspca_dev, ov965x_start_2_qvga,
1372 ARRAY_SIZE(ov965x_start_2_qvga));
1374 case VGA_MODE: /* 640x480 */
1375 sccb_w_array(gspca_dev, ov965x_start_1_vga,
1376 ARRAY_SIZE(ov965x_start_1_vga));
1377 reg_w_array(gspca_dev, bridge_start_vga,
1378 ARRAY_SIZE(bridge_start_vga));
1379 sccb_w_array(gspca_dev, ov965x_start_2_vga,
1380 ARRAY_SIZE(ov965x_start_2_vga));
1382 case SVGA_MODE: /* 800x600 */
1383 sccb_w_array(gspca_dev, ov965x_start_1_svga,
1384 ARRAY_SIZE(ov965x_start_1_svga));
1385 reg_w_array(gspca_dev, bridge_start_svga,
1386 ARRAY_SIZE(bridge_start_svga));
1387 sccb_w_array(gspca_dev, ov965x_start_2_svga,
1388 ARRAY_SIZE(ov965x_start_2_svga));
1390 case XGA_MODE: /* 1024x768 */
1391 sccb_w_array(gspca_dev, ov965x_start_1_xga,
1392 ARRAY_SIZE(ov965x_start_1_xga));
1393 reg_w_array(gspca_dev, bridge_start_xga,
1394 ARRAY_SIZE(bridge_start_xga));
1395 sccb_w_array(gspca_dev, ov965x_start_2_svga,
1396 ARRAY_SIZE(ov965x_start_2_svga));
1399 /* case SXGA_MODE: * 1280x1024 */
1400 sccb_w_array(gspca_dev, ov965x_start_1_sxga,
1401 ARRAY_SIZE(ov965x_start_1_sxga));
1402 reg_w_array(gspca_dev, bridge_start_sxga,
1403 ARRAY_SIZE(bridge_start_sxga));
1404 sccb_w_array(gspca_dev, ov965x_start_2_sxga,
1405 ARRAY_SIZE(ov965x_start_2_sxga));
1408 setlightfreq(gspca_dev);
1409 setautogain(gspca_dev);
1410 setbrightness(gspca_dev);
1411 setcontrast(gspca_dev);
1412 setexposure(gspca_dev);
1413 setsharpness(gspca_dev);
1414 setsatur(gspca_dev);
1416 reg_w(gspca_dev, 0xe0, 0x00);
1417 reg_w(gspca_dev, 0xe0, 0x00);
1418 set_led(gspca_dev, 1);
1419 return gspca_dev->usb_err;
1422 static void sd_stopN(struct gspca_dev *gspca_dev)
1424 reg_w(gspca_dev, 0xe0, 0x01);
1425 set_led(gspca_dev, 0);
1426 reg_w(gspca_dev, 0xe0, 0x00);
1429 /* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */
1430 #define UVC_STREAM_EOH (1 << 7)
1431 #define UVC_STREAM_ERR (1 << 6)
1432 #define UVC_STREAM_STI (1 << 5)
1433 #define UVC_STREAM_RES (1 << 4)
1434 #define UVC_STREAM_SCR (1 << 3)
1435 #define UVC_STREAM_PTS (1 << 2)
1436 #define UVC_STREAM_EOF (1 << 1)
1437 #define UVC_STREAM_FID (1 << 0)
1439 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
1442 struct sd *sd = (struct sd *) gspca_dev;
1445 int remaining_len = len;
1448 payload_len = gspca_dev->cam.bulk ? 2048 : 2040;
1450 len = min(remaining_len, payload_len);
1452 /* Payloads are prefixed with a UVC-style header. We
1453 consider a frame to start when the FID toggles, or the PTS
1454 changes. A frame ends when EOF is set, and we've received
1455 the correct number of bytes. */
1457 /* Verify UVC header. Header length is always 12 */
1458 if (data[0] != 12 || len < 12) {
1459 PDEBUG(D_PACK, "bad header");
1464 if (data[1] & UVC_STREAM_ERR) {
1465 PDEBUG(D_PACK, "payload error");
1469 /* Extract PTS and FID */
1470 if (!(data[1] & UVC_STREAM_PTS)) {
1471 PDEBUG(D_PACK, "PTS not present");
1474 this_pts = (data[5] << 24) | (data[4] << 16)
1475 | (data[3] << 8) | data[2];
1476 this_fid = data[1] & UVC_STREAM_FID;
1478 /* If PTS or FID has changed, start a new frame. */
1479 if (this_pts != sd->last_pts || this_fid != sd->last_fid) {
1480 if (gspca_dev->last_packet_type == INTER_PACKET)
1481 gspca_frame_add(gspca_dev, LAST_PACKET,
1483 sd->last_pts = this_pts;
1484 sd->last_fid = this_fid;
1485 gspca_frame_add(gspca_dev, FIRST_PACKET,
1486 data + 12, len - 12);
1487 /* If this packet is marked as EOF, end the frame */
1488 } else if (data[1] & UVC_STREAM_EOF) {
1490 gspca_frame_add(gspca_dev, LAST_PACKET,
1491 data + 12, len - 12);
1494 /* Add the data from this payload */
1495 gspca_frame_add(gspca_dev, INTER_PACKET,
1496 data + 12, len - 12);
1499 /* Done this payload */
1503 /* Discard data until a new frame starts. */
1504 gspca_dev->last_packet_type = DISCARD_PACKET;
1507 remaining_len -= len;
1509 } while (remaining_len > 0);
1512 static int sd_querymenu(struct gspca_dev *gspca_dev,
1513 struct v4l2_querymenu *menu)
1516 case V4L2_CID_POWER_LINE_FREQUENCY:
1517 switch (menu->index) {
1518 case 0: /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */
1519 strcpy((char *) menu->name, "NoFliker");
1521 case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */
1522 strcpy((char *) menu->name, "50 Hz");
1524 case 2: /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */
1525 strcpy((char *) menu->name, "60 Hz");
1533 /* sub-driver description */
1534 static const struct sd_desc sd_desc = {
1535 .name = MODULE_NAME,
1538 .config = sd_config,
1542 .pkt_scan = sd_pkt_scan,
1543 .querymenu = sd_querymenu,
1546 /* -- module initialisation -- */
1547 static const struct usb_device_id device_table[] = {
1548 {USB_DEVICE(0x05a9, 0x8065)},
1549 {USB_DEVICE(0x06f8, 0x3003)},
1550 {USB_DEVICE(0x05a9, 0x1550)},
1554 MODULE_DEVICE_TABLE(usb, device_table);
1556 /* -- device connect -- */
1557 static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id)
1559 return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1563 static struct usb_driver sd_driver = {
1564 .name = MODULE_NAME,
1565 .id_table = device_table,
1567 .disconnect = gspca_disconnect,
1569 .suspend = gspca_suspend,
1570 .resume = gspca_resume,
1574 module_usb_driver(sd_driver);