2 * ov534-ov772x gspca driver
4 * Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it>
5 * Copyright (C) 2008 Jim Paris <jim@jtan.com>
6 * Copyright (C) 2009 Jean-Francois Moine http://moinejf.free.fr
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 * PS3 Eye camera enhanced by Richard Kaswy http://kaswy.free.fr
13 * PS3 Eye camera, brightness, contrast, hue, AWB control added
14 * by Max Thrun <bear24rw@gmail.com>
16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation; either version 2 of the License, or
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, write to the Free Software
28 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
31 #define MODULE_NAME "ov534"
35 #define OV534_REG_ADDRESS 0xf1 /* sensor address */
36 #define OV534_REG_SUBADDR 0xf2
37 #define OV534_REG_WRITE 0xf3
38 #define OV534_REG_READ 0xf4
39 #define OV534_REG_OPERATION 0xf5
40 #define OV534_REG_STATUS 0xf6
42 #define OV534_OP_WRITE_3 0x37
43 #define OV534_OP_WRITE_2 0x33
44 #define OV534_OP_READ_2 0xf9
46 #define CTRL_TIMEOUT 500
48 MODULE_AUTHOR("Antonio Ospite <ospite@studenti.unina.it>");
49 MODULE_DESCRIPTION("GSPCA/OV534 USB Camera Driver");
50 MODULE_LICENSE("GPL");
52 /* specific webcam descriptor */
54 struct gspca_dev gspca_dev; /* !! must be the first item */
74 /* V4L2 controls supported by the driver */
75 static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val);
76 static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val);
77 static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val);
78 static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val);
79 static int sd_setredblc(struct gspca_dev *gspca_dev, __s32 val);
80 static int sd_getredblc(struct gspca_dev *gspca_dev, __s32 *val);
81 static int sd_setblueblc(struct gspca_dev *gspca_dev, __s32 val);
82 static int sd_getblueblc(struct gspca_dev *gspca_dev, __s32 *val);
83 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
84 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
85 static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val);
86 static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val);
87 static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val);
88 static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val);
89 static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val);
90 static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val);
91 static int sd_sethue(struct gspca_dev *gspca_dev, __s32 val);
92 static int sd_gethue(struct gspca_dev *gspca_dev, __s32 *val);
93 static int sd_setawb(struct gspca_dev *gspca_dev, __s32 val);
94 static int sd_getawb(struct gspca_dev *gspca_dev, __s32 *val);
95 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
96 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
97 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
98 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
100 static const struct ctrl sd_ctrls[] = {
103 .id = V4L2_CID_BRIGHTNESS,
104 .type = V4L2_CTRL_TYPE_INTEGER,
105 .name = "Brightness",
109 #define BRIGHTNESS_DEF 20
110 .default_value = BRIGHTNESS_DEF,
112 .set = sd_setbrightness,
113 .get = sd_getbrightness,
117 .id = V4L2_CID_CONTRAST,
118 .type = V4L2_CTRL_TYPE_INTEGER,
123 #define CONTRAST_DEF 37
124 .default_value = CONTRAST_DEF,
126 .set = sd_setcontrast,
127 .get = sd_getcontrast,
132 .type = V4L2_CTRL_TYPE_INTEGER,
138 .default_value = GAIN_DEF,
145 .id = V4L2_CID_EXPOSURE,
146 .type = V4L2_CTRL_TYPE_INTEGER,
152 .default_value = EXPO_DEF,
154 .set = sd_setexposure,
155 .get = sd_getexposure,
159 .id = V4L2_CID_RED_BALANCE,
160 .type = V4L2_CTRL_TYPE_INTEGER,
161 .name = "Red Balance",
165 #define RED_BALANCE_DEF 128
166 .default_value = RED_BALANCE_DEF,
173 .id = V4L2_CID_BLUE_BALANCE,
174 .type = V4L2_CTRL_TYPE_INTEGER,
175 .name = "Blue Balance",
179 #define BLUE_BALANCE_DEF 128
180 .default_value = BLUE_BALANCE_DEF,
182 .set = sd_setblueblc,
183 .get = sd_getblueblc,
188 .type = V4L2_CTRL_TYPE_INTEGER,
194 .default_value = HUE_DEF,
201 .id = V4L2_CID_AUTOGAIN,
202 .type = V4L2_CTRL_TYPE_BOOLEAN,
207 #define AUTOGAIN_DEF 0
208 .default_value = AUTOGAIN_DEF,
210 .set = sd_setautogain,
211 .get = sd_getautogain,
216 .id = V4L2_CID_AUTO_WHITE_BALANCE,
217 .type = V4L2_CTRL_TYPE_BOOLEAN,
218 .name = "Auto White Balance",
223 .default_value = AWB_DEF,
230 .id = V4L2_CID_SHARPNESS,
231 .type = V4L2_CTRL_TYPE_INTEGER,
236 #define SHARPNESS_DEF 0
237 .default_value = SHARPNESS_DEF,
239 .set = sd_setsharpness,
240 .get = sd_getsharpness,
244 .id = V4L2_CID_HFLIP,
245 .type = V4L2_CTRL_TYPE_BOOLEAN,
251 .default_value = HFLIP_DEF,
258 .id = V4L2_CID_VFLIP,
259 .type = V4L2_CTRL_TYPE_BOOLEAN,
265 .default_value = VFLIP_DEF,
272 static const struct v4l2_pix_format ov772x_mode[] = {
273 {320, 240, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE,
274 .bytesperline = 320 * 2,
275 .sizeimage = 320 * 240 * 2,
276 .colorspace = V4L2_COLORSPACE_SRGB,
278 {640, 480, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE,
279 .bytesperline = 640 * 2,
280 .sizeimage = 640 * 480 * 2,
281 .colorspace = V4L2_COLORSPACE_SRGB,
285 static const u8 qvga_rates[] = {125, 100, 75, 60, 50, 40, 30};
286 static const u8 vga_rates[] = {60, 50, 40, 30, 15};
288 static const struct framerates ov772x_framerates[] = {
291 .nrates = ARRAY_SIZE(qvga_rates),
295 .nrates = ARRAY_SIZE(vga_rates),
299 static const u8 bridge_init[][2] = {
338 { 0x1d, 0x02 }, /* payload size 0x0200 * 4 = 2048 bytes */
339 { 0x1d, 0x00 }, /* payload size */
341 { 0x1d, 0x02 }, /* frame size 0x025800 * 4 = 614400 */
342 { 0x1d, 0x58 }, /* frame size */
343 { 0x1d, 0x00 }, /* frame size */
346 { 0x1d, 0x08 }, /* turn on UVC header */
347 { 0x1d, 0x0e }, /* .. */
357 static const u8 sensor_init[][2] = {
360 /*fixme: better have a delay?*/
383 { 0x63, 0xaa }, /* AWB - was e0 */
386 { 0x13, 0xf0 }, /* com8 */
399 { 0x13, 0xff }, /* AWB */
447 { 0x8e, 0x00 }, /* De-noise threshold */
450 static const u8 bridge_start_vga[][2] = {
461 static const u8 sensor_start_vga[][2] = {
471 static const u8 bridge_start_qvga[][2] = {
482 static const u8 sensor_start_qvga[][2] = {
493 static void ov534_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val)
495 struct usb_device *udev = gspca_dev->dev;
498 PDEBUG(D_USBO, "reg=0x%04x, val=0%02x", reg, val);
499 gspca_dev->usb_buf[0] = val;
500 ret = usb_control_msg(udev,
501 usb_sndctrlpipe(udev, 0),
503 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
504 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
506 PDEBUG(D_ERR, "write failed");
509 static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg)
511 struct usb_device *udev = gspca_dev->dev;
514 ret = usb_control_msg(udev,
515 usb_rcvctrlpipe(udev, 0),
517 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
518 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
519 PDEBUG(D_USBI, "reg=0x%04x, data=0x%02x", reg, gspca_dev->usb_buf[0]);
521 PDEBUG(D_ERR, "read failed");
522 return gspca_dev->usb_buf[0];
525 /* Two bits control LED: 0x21 bit 7 and 0x23 bit 7.
526 * (direction and output)? */
527 static void ov534_set_led(struct gspca_dev *gspca_dev, int status)
531 PDEBUG(D_CONF, "led status: %d", status);
533 data = ov534_reg_read(gspca_dev, 0x21);
535 ov534_reg_write(gspca_dev, 0x21, data);
537 data = ov534_reg_read(gspca_dev, 0x23);
543 ov534_reg_write(gspca_dev, 0x23, data);
546 data = ov534_reg_read(gspca_dev, 0x21);
548 ov534_reg_write(gspca_dev, 0x21, data);
552 static int sccb_check_status(struct gspca_dev *gspca_dev)
557 for (i = 0; i < 5; i++) {
558 data = ov534_reg_read(gspca_dev, OV534_REG_STATUS);
568 PDEBUG(D_ERR, "sccb status 0x%02x, attempt %d/5",
575 static void sccb_reg_write(struct gspca_dev *gspca_dev, u8 reg, u8 val)
577 PDEBUG(D_USBO, "reg: 0x%02x, val: 0x%02x", reg, val);
578 ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
579 ov534_reg_write(gspca_dev, OV534_REG_WRITE, val);
580 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3);
582 if (!sccb_check_status(gspca_dev))
583 PDEBUG(D_ERR, "sccb_reg_write failed");
586 static u8 sccb_reg_read(struct gspca_dev *gspca_dev, u16 reg)
588 ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
589 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2);
590 if (!sccb_check_status(gspca_dev))
591 PDEBUG(D_ERR, "sccb_reg_read failed 1");
593 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2);
594 if (!sccb_check_status(gspca_dev))
595 PDEBUG(D_ERR, "sccb_reg_read failed 2");
597 return ov534_reg_read(gspca_dev, OV534_REG_READ);
600 /* output a bridge sequence (reg - val) */
601 static void reg_w_array(struct gspca_dev *gspca_dev,
602 const u8 (*data)[2], int len)
605 ov534_reg_write(gspca_dev, (*data)[0], (*data)[1]);
610 /* output a sensor sequence (reg - val) */
611 static void sccb_w_array(struct gspca_dev *gspca_dev,
612 const u8 (*data)[2], int len)
615 if ((*data)[0] != 0xff) {
616 sccb_reg_write(gspca_dev, (*data)[0], (*data)[1]);
618 sccb_reg_read(gspca_dev, (*data)[1]);
619 sccb_reg_write(gspca_dev, 0xff, 0x00);
625 /* ov772x specific controls */
626 static void set_frame_rate(struct gspca_dev *gspca_dev)
628 struct sd *sd = (struct sd *) gspca_dev;
636 const struct rate_s *r;
637 static const struct rate_s rate_0[] = { /* 640x480 */
638 {60, 0x01, 0xc1, 0x04},
639 {50, 0x01, 0x41, 0x02},
640 {40, 0x02, 0xc1, 0x04},
641 {30, 0x04, 0x81, 0x02},
642 {15, 0x03, 0x41, 0x04},
644 static const struct rate_s rate_1[] = { /* 320x240 */
645 {125, 0x02, 0x81, 0x02},
646 {100, 0x02, 0xc1, 0x04},
647 {75, 0x03, 0xc1, 0x04},
648 {60, 0x04, 0xc1, 0x04},
649 {50, 0x02, 0x41, 0x04},
650 {40, 0x03, 0x41, 0x04},
651 {30, 0x04, 0x41, 0x04},
654 if (gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv == 0) {
656 i = ARRAY_SIZE(rate_0);
659 i = ARRAY_SIZE(rate_1);
662 if (sd->frame_rate >= r->fps)
667 sccb_reg_write(gspca_dev, 0x11, r->r11);
668 sccb_reg_write(gspca_dev, 0x0d, r->r0d);
669 ov534_reg_write(gspca_dev, 0xe5, r->re5);
671 PDEBUG(D_PROBE, "frame_rate: %d", r->fps);
674 static void setbrightness(struct gspca_dev *gspca_dev)
676 struct sd *sd = (struct sd *) gspca_dev;
678 sccb_reg_write(gspca_dev, 0x9B, sd->brightness);
681 static void setcontrast(struct gspca_dev *gspca_dev)
683 struct sd *sd = (struct sd *) gspca_dev;
685 sccb_reg_write(gspca_dev, 0x9C, sd->contrast);
688 static void setgain(struct gspca_dev *gspca_dev)
690 struct sd *sd = (struct sd *) gspca_dev;
694 switch (val & 0x30) {
712 sccb_reg_write(gspca_dev, 0x00, val);
715 static void setexposure(struct gspca_dev *gspca_dev)
717 struct sd *sd = (struct sd *) gspca_dev;
721 sccb_reg_write(gspca_dev, 0x08, val >> 7);
722 sccb_reg_write(gspca_dev, 0x10, val << 1);
725 static void setredblc(struct gspca_dev *gspca_dev)
727 struct sd *sd = (struct sd *) gspca_dev;
729 sccb_reg_write(gspca_dev, 0x43, sd->redblc);
732 static void setblueblc(struct gspca_dev *gspca_dev)
734 struct sd *sd = (struct sd *) gspca_dev;
736 sccb_reg_write(gspca_dev, 0x42, sd->blueblc);
739 static void sethue(struct gspca_dev *gspca_dev)
741 struct sd *sd = (struct sd *) gspca_dev;
743 sccb_reg_write(gspca_dev, 0x01, sd->hue);
746 static void setautogain(struct gspca_dev *gspca_dev)
748 struct sd *sd = (struct sd *) gspca_dev;
751 sccb_reg_write(gspca_dev, 0x13, 0xf7); /* AGC,AEC,AWB ON */
752 sccb_reg_write(gspca_dev, 0x64,
753 sccb_reg_read(gspca_dev, 0x64) | 0x03);
755 sccb_reg_write(gspca_dev, 0x13, 0xf0); /* AGC,AEC,AWB OFF */
756 sccb_reg_write(gspca_dev, 0x64,
757 sccb_reg_read(gspca_dev, 0x64) & 0xfc);
761 static void setawb(struct gspca_dev *gspca_dev)
763 struct sd *sd = (struct sd *) gspca_dev;
766 sccb_reg_write(gspca_dev, 0x63, 0xe0); /* AWB on */
768 sccb_reg_write(gspca_dev, 0x63, 0xaa); /* AWB off */
771 static void setsharpness(struct gspca_dev *gspca_dev)
773 struct sd *sd = (struct sd *) gspca_dev;
777 sccb_reg_write(gspca_dev, 0x91, val); /* vga noise */
778 sccb_reg_write(gspca_dev, 0x8e, val); /* qvga noise */
781 static void sethflip(struct gspca_dev *gspca_dev)
783 struct sd *sd = (struct sd *) gspca_dev;
786 sccb_reg_write(gspca_dev, 0x0c,
787 sccb_reg_read(gspca_dev, 0x0c) | 0x40);
789 sccb_reg_write(gspca_dev, 0x0c,
790 sccb_reg_read(gspca_dev, 0x0c) & 0xbf);
793 static void setvflip(struct gspca_dev *gspca_dev)
795 struct sd *sd = (struct sd *) gspca_dev;
798 sccb_reg_write(gspca_dev, 0x0c,
799 sccb_reg_read(gspca_dev, 0x0c) | 0x80);
801 sccb_reg_write(gspca_dev, 0x0c,
802 sccb_reg_read(gspca_dev, 0x0c) & 0x7f);
805 /* this function is called at probe time */
806 static int sd_config(struct gspca_dev *gspca_dev,
807 const struct usb_device_id *id)
809 struct sd *sd = (struct sd *) gspca_dev;
812 cam = &gspca_dev->cam;
814 cam->cam_mode = ov772x_mode;
815 cam->nmodes = ARRAY_SIZE(ov772x_mode);
816 cam->mode_framerates = ov772x_framerates;
819 cam->bulk_size = 16384;
824 sd->brightness = BRIGHTNESS_DEF;
825 sd->contrast = CONTRAST_DEF;
827 sd->exposure = EXPO_DEF;
828 sd->redblc = RED_BALANCE_DEF;
829 sd->blueblc = BLUE_BALANCE_DEF;
831 #if AUTOGAIN_DEF != 0
832 sd->autogain = AUTOGAIN_DEF;
834 gspca_dev->ctrl_inac |= (1 << AWB_IDX);
839 #if SHARPNESS_DEF != 0
840 sd->sharpness = SHARPNESS_DEF;
843 sd->hflip = HFLIP_DEF;
846 sd->vflip = VFLIP_DEF;
852 /* this function is called at probe and resume time */
853 static int sd_init(struct gspca_dev *gspca_dev)
858 ov534_reg_write(gspca_dev, 0xe7, 0x3a);
859 ov534_reg_write(gspca_dev, 0xe0, 0x08);
862 /* initialize the sensor address */
863 ov534_reg_write(gspca_dev, OV534_REG_ADDRESS, 0x42);
866 sccb_reg_write(gspca_dev, 0x12, 0x80);
869 /* probe the sensor */
870 sccb_reg_read(gspca_dev, 0x0a);
871 sensor_id = sccb_reg_read(gspca_dev, 0x0a) << 8;
872 sccb_reg_read(gspca_dev, 0x0b);
873 sensor_id |= sccb_reg_read(gspca_dev, 0x0b);
874 PDEBUG(D_PROBE, "Sensor ID: %04x", sensor_id);
877 reg_w_array(gspca_dev, bridge_init,
878 ARRAY_SIZE(bridge_init));
879 ov534_set_led(gspca_dev, 1);
880 sccb_w_array(gspca_dev, sensor_init,
881 ARRAY_SIZE(sensor_init));
882 ov534_reg_write(gspca_dev, 0xe0, 0x09);
883 ov534_set_led(gspca_dev, 0);
884 set_frame_rate(gspca_dev);
889 static int sd_start(struct gspca_dev *gspca_dev)
893 mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
894 if (mode != 0) { /* 320x240 */
895 reg_w_array(gspca_dev, bridge_start_qvga,
896 ARRAY_SIZE(bridge_start_qvga));
897 sccb_w_array(gspca_dev, sensor_start_qvga,
898 ARRAY_SIZE(sensor_start_qvga));
899 } else { /* 640x480 */
900 reg_w_array(gspca_dev, bridge_start_vga,
901 ARRAY_SIZE(bridge_start_vga));
902 sccb_w_array(gspca_dev, sensor_start_vga,
903 ARRAY_SIZE(sensor_start_vga));
905 set_frame_rate(gspca_dev);
907 setautogain(gspca_dev);
910 setredblc(gspca_dev);
911 setblueblc(gspca_dev);
913 setexposure(gspca_dev);
914 setbrightness(gspca_dev);
915 setcontrast(gspca_dev);
916 setsharpness(gspca_dev);
920 ov534_set_led(gspca_dev, 1);
921 ov534_reg_write(gspca_dev, 0xe0, 0x00);
925 static void sd_stopN(struct gspca_dev *gspca_dev)
927 ov534_reg_write(gspca_dev, 0xe0, 0x09);
928 ov534_set_led(gspca_dev, 0);
931 /* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */
932 #define UVC_STREAM_EOH (1 << 7)
933 #define UVC_STREAM_ERR (1 << 6)
934 #define UVC_STREAM_STI (1 << 5)
935 #define UVC_STREAM_RES (1 << 4)
936 #define UVC_STREAM_SCR (1 << 3)
937 #define UVC_STREAM_PTS (1 << 2)
938 #define UVC_STREAM_EOF (1 << 1)
939 #define UVC_STREAM_FID (1 << 0)
941 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
944 struct sd *sd = (struct sd *) gspca_dev;
947 int remaining_len = len;
950 len = min(remaining_len, 2048);
952 /* Payloads are prefixed with a UVC-style header. We
953 consider a frame to start when the FID toggles, or the PTS
954 changes. A frame ends when EOF is set, and we've received
955 the correct number of bytes. */
957 /* Verify UVC header. Header length is always 12 */
958 if (data[0] != 12 || len < 12) {
959 PDEBUG(D_PACK, "bad header");
964 if (data[1] & UVC_STREAM_ERR) {
965 PDEBUG(D_PACK, "payload error");
969 /* Extract PTS and FID */
970 if (!(data[1] & UVC_STREAM_PTS)) {
971 PDEBUG(D_PACK, "PTS not present");
974 this_pts = (data[5] << 24) | (data[4] << 16)
975 | (data[3] << 8) | data[2];
976 this_fid = (data[1] & UVC_STREAM_FID) ? 1 : 0;
978 /* If PTS or FID has changed, start a new frame. */
979 if (this_pts != sd->last_pts || this_fid != sd->last_fid) {
980 if (gspca_dev->last_packet_type == INTER_PACKET)
981 gspca_frame_add(gspca_dev, LAST_PACKET,
983 sd->last_pts = this_pts;
984 sd->last_fid = this_fid;
985 gspca_frame_add(gspca_dev, FIRST_PACKET,
986 data + 12, len - 12);
987 /* If this packet is marked as EOF, end the frame */
988 } else if (data[1] & UVC_STREAM_EOF) {
989 struct gspca_frame *frame;
992 frame = gspca_get_i_frame(gspca_dev);
995 if (frame->data_end - frame->data + (len - 12) !=
996 gspca_dev->width * gspca_dev->height * 2) {
997 PDEBUG(D_PACK, "wrong sized frame");
1000 gspca_frame_add(gspca_dev, LAST_PACKET,
1001 data + 12, len - 12);
1004 /* Add the data from this payload */
1005 gspca_frame_add(gspca_dev, INTER_PACKET,
1006 data + 12, len - 12);
1009 /* Done this payload */
1013 /* Discard data until a new frame starts. */
1014 gspca_dev->last_packet_type = DISCARD_PACKET;
1017 remaining_len -= len;
1019 } while (remaining_len > 0);
1023 static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val)
1025 struct sd *sd = (struct sd *) gspca_dev;
1028 if (gspca_dev->streaming)
1033 static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val)
1035 struct sd *sd = (struct sd *) gspca_dev;
1041 static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val)
1043 struct sd *sd = (struct sd *) gspca_dev;
1046 if (gspca_dev->streaming)
1047 setexposure(gspca_dev);
1051 static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val)
1053 struct sd *sd = (struct sd *) gspca_dev;
1055 *val = sd->exposure;
1059 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
1061 struct sd *sd = (struct sd *) gspca_dev;
1063 sd->brightness = val;
1064 if (gspca_dev->streaming)
1065 setbrightness(gspca_dev);
1069 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
1071 struct sd *sd = (struct sd *) gspca_dev;
1073 *val = sd->brightness;
1077 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
1079 struct sd *sd = (struct sd *) gspca_dev;
1082 if (gspca_dev->streaming)
1083 setcontrast(gspca_dev);
1087 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
1089 struct sd *sd = (struct sd *) gspca_dev;
1091 *val = sd->contrast;
1095 static int sd_setredblc(struct gspca_dev *gspca_dev, __s32 val)
1097 struct sd *sd = (struct sd *) gspca_dev;
1100 if (gspca_dev->streaming)
1101 setredblc(gspca_dev);
1105 static int sd_getredblc(struct gspca_dev *gspca_dev, __s32 *val)
1107 struct sd *sd = (struct sd *) gspca_dev;
1113 static int sd_setblueblc(struct gspca_dev *gspca_dev, __s32 val)
1115 struct sd *sd = (struct sd *) gspca_dev;
1118 if (gspca_dev->streaming)
1119 setblueblc(gspca_dev);
1123 static int sd_getblueblc(struct gspca_dev *gspca_dev, __s32 *val)
1125 struct sd *sd = (struct sd *) gspca_dev;
1131 static int sd_sethue(struct gspca_dev *gspca_dev, __s32 val)
1133 struct sd *sd = (struct sd *) gspca_dev;
1136 if (gspca_dev->streaming)
1141 static int sd_gethue(struct gspca_dev *gspca_dev, __s32 *val)
1143 struct sd *sd = (struct sd *) gspca_dev;
1149 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
1151 struct sd *sd = (struct sd *) gspca_dev;
1155 if (gspca_dev->streaming) {
1157 /* the auto white balance control works only
1158 * when auto gain is set */
1160 gspca_dev->ctrl_inac &= ~(1 << AWB_IDX);
1162 gspca_dev->ctrl_inac |= (1 << AWB_IDX);
1163 setautogain(gspca_dev);
1168 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
1170 struct sd *sd = (struct sd *) gspca_dev;
1172 *val = sd->autogain;
1176 static int sd_setawb(struct gspca_dev *gspca_dev, __s32 val)
1178 struct sd *sd = (struct sd *) gspca_dev;
1181 if (gspca_dev->streaming)
1186 static int sd_getawb(struct gspca_dev *gspca_dev, __s32 *val)
1188 struct sd *sd = (struct sd *) gspca_dev;
1194 static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val)
1196 struct sd *sd = (struct sd *) gspca_dev;
1198 sd->sharpness = val;
1199 if (gspca_dev->streaming)
1200 setsharpness(gspca_dev);
1204 static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val)
1206 struct sd *sd = (struct sd *) gspca_dev;
1208 *val = sd->sharpness;
1212 static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val)
1214 struct sd *sd = (struct sd *) gspca_dev;
1217 if (gspca_dev->streaming)
1218 sethflip(gspca_dev);
1222 static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val)
1224 struct sd *sd = (struct sd *) gspca_dev;
1230 static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val)
1232 struct sd *sd = (struct sd *) gspca_dev;
1235 if (gspca_dev->streaming)
1236 setvflip(gspca_dev);
1240 static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val)
1242 struct sd *sd = (struct sd *) gspca_dev;
1248 /* get stream parameters (framerate) */
1249 static int sd_get_streamparm(struct gspca_dev *gspca_dev,
1250 struct v4l2_streamparm *parm)
1252 struct v4l2_captureparm *cp = &parm->parm.capture;
1253 struct v4l2_fract *tpf = &cp->timeperframe;
1254 struct sd *sd = (struct sd *) gspca_dev;
1256 if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1259 cp->capability |= V4L2_CAP_TIMEPERFRAME;
1261 tpf->denominator = sd->frame_rate;
1266 /* set stream parameters (framerate) */
1267 static int sd_set_streamparm(struct gspca_dev *gspca_dev,
1268 struct v4l2_streamparm *parm)
1270 struct v4l2_captureparm *cp = &parm->parm.capture;
1271 struct v4l2_fract *tpf = &cp->timeperframe;
1272 struct sd *sd = (struct sd *) gspca_dev;
1274 if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1277 /* Set requested framerate */
1278 sd->frame_rate = tpf->denominator / tpf->numerator;
1279 if (gspca_dev->streaming)
1280 set_frame_rate(gspca_dev);
1282 /* Return the actual framerate */
1284 tpf->denominator = sd->frame_rate;
1289 /* sub-driver description */
1290 static const struct sd_desc sd_desc = {
1291 .name = MODULE_NAME,
1293 .nctrls = ARRAY_SIZE(sd_ctrls),
1294 .config = sd_config,
1298 .pkt_scan = sd_pkt_scan,
1299 .get_streamparm = sd_get_streamparm,
1300 .set_streamparm = sd_set_streamparm,
1303 /* -- module initialisation -- */
1304 static const __devinitdata struct usb_device_id device_table[] = {
1305 {USB_DEVICE(0x1415, 0x2000)},
1309 MODULE_DEVICE_TABLE(usb, device_table);
1311 /* -- device connect -- */
1312 static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id)
1314 return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1318 static struct usb_driver sd_driver = {
1319 .name = MODULE_NAME,
1320 .id_table = device_table,
1322 .disconnect = gspca_disconnect,
1324 .suspend = gspca_suspend,
1325 .resume = gspca_resume,
1329 /* -- module insert / remove -- */
1330 static int __init sd_mod_init(void)
1334 ret = usb_register(&sd_driver);
1337 PDEBUG(D_PROBE, "registered");
1341 static void __exit sd_mod_exit(void)
1343 usb_deregister(&sd_driver);
1344 PDEBUG(D_PROBE, "deregistered");
1347 module_init(sd_mod_init);
1348 module_exit(sd_mod_exit);