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, awb, agc, aec controls
14 * added 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 */
72 /* V4L2 controls supported by the driver */
73 static int sd_setgain(struct gspca_dev
*gspca_dev
, __s32 val
);
74 static int sd_getgain(struct gspca_dev
*gspca_dev
, __s32
*val
);
75 static int sd_setexposure(struct gspca_dev
*gspca_dev
, __s32 val
);
76 static int sd_getexposure(struct gspca_dev
*gspca_dev
, __s32
*val
);
77 static int sd_setagc(struct gspca_dev
*gspca_dev
, __s32 val
);
78 static int sd_getagc(struct gspca_dev
*gspca_dev
, __s32
*val
);
79 static int sd_setsharpness(struct gspca_dev
*gspca_dev
, __s32 val
);
80 static int sd_getsharpness(struct gspca_dev
*gspca_dev
, __s32
*val
);
81 static int sd_sethflip(struct gspca_dev
*gspca_dev
, __s32 val
);
82 static int sd_gethflip(struct gspca_dev
*gspca_dev
, __s32
*val
);
83 static int sd_setvflip(struct gspca_dev
*gspca_dev
, __s32 val
);
84 static int sd_getvflip(struct gspca_dev
*gspca_dev
, __s32
*val
);
85 static int sd_setawb(struct gspca_dev
*gspca_dev
, __s32 val
);
86 static int sd_getawb(struct gspca_dev
*gspca_dev
, __s32
*val
);
87 static int sd_setaec(struct gspca_dev
*gspca_dev
, __s32 val
);
88 static int sd_getaec(struct gspca_dev
*gspca_dev
, __s32
*val
);
89 static int sd_setbrightness(struct gspca_dev
*gspca_dev
, __s32 val
);
90 static int sd_getbrightness(struct gspca_dev
*gspca_dev
, __s32
*val
);
91 static int sd_setcontrast(struct gspca_dev
*gspca_dev
, __s32 val
);
92 static int sd_getcontrast(struct gspca_dev
*gspca_dev
, __s32
*val
);
93 static int sd_setfreqfltr(struct gspca_dev
*gspca_dev
, __s32 val
);
94 static int sd_getfreqfltr(struct gspca_dev
*gspca_dev
, __s32
*val
);
95 static int sd_querymenu(struct gspca_dev
*gspca_dev
,
96 struct v4l2_querymenu
*menu
);
98 static const struct ctrl sd_ctrls
[] = {
101 .id
= V4L2_CID_BRIGHTNESS
,
102 .type
= V4L2_CTRL_TYPE_INTEGER
,
103 .name
= "Brightness",
107 #define BRIGHTNESS_DEF 0
108 .default_value
= BRIGHTNESS_DEF
,
110 .set
= sd_setbrightness
,
111 .get
= sd_getbrightness
,
115 .id
= V4L2_CID_CONTRAST
,
116 .type
= V4L2_CTRL_TYPE_INTEGER
,
121 #define CONTRAST_DEF 32
122 .default_value
= CONTRAST_DEF
,
124 .set
= sd_setcontrast
,
125 .get
= sd_getcontrast
,
130 .type
= V4L2_CTRL_TYPE_INTEGER
,
136 .default_value
= GAIN_DEF
,
143 .id
= V4L2_CID_EXPOSURE
,
144 .type
= V4L2_CTRL_TYPE_INTEGER
,
150 .default_value
= EXPO_DEF
,
152 .set
= sd_setexposure
,
153 .get
= sd_getexposure
,
157 .id
= V4L2_CID_AUTOGAIN
,
158 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
164 .default_value
= AGC_DEF
,
172 .id
= V4L2_CID_AUTO_WHITE_BALANCE
,
173 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
174 .name
= "Auto White Balance",
179 .default_value
= AWB_DEF
,
186 .id
= V4L2_CID_EXPOSURE_AUTO
,
187 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
188 .name
= "Auto Exposure",
193 .default_value
= AEC_DEF
,
200 .id
= V4L2_CID_SHARPNESS
,
201 .type
= V4L2_CTRL_TYPE_INTEGER
,
206 #define SHARPNESS_DEF 0
207 .default_value
= SHARPNESS_DEF
,
209 .set
= sd_setsharpness
,
210 .get
= sd_getsharpness
,
214 .id
= V4L2_CID_HFLIP
,
215 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
221 .default_value
= HFLIP_DEF
,
228 .id
= V4L2_CID_VFLIP
,
229 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
235 .default_value
= VFLIP_DEF
,
242 .id
= V4L2_CID_POWER_LINE_FREQUENCY
,
243 .type
= V4L2_CTRL_TYPE_MENU
,
244 .name
= "Light Frequency Filter",
248 #define FREQFLTR_DEF 0
249 .default_value
= FREQFLTR_DEF
,
251 .set
= sd_setfreqfltr
,
252 .get
= sd_getfreqfltr
,
256 static const struct v4l2_pix_format ov772x_mode
[] = {
257 {320, 240, V4L2_PIX_FMT_YUYV
, V4L2_FIELD_NONE
,
258 .bytesperline
= 320 * 2,
259 .sizeimage
= 320 * 240 * 2,
260 .colorspace
= V4L2_COLORSPACE_SRGB
,
262 {640, 480, V4L2_PIX_FMT_YUYV
, V4L2_FIELD_NONE
,
263 .bytesperline
= 640 * 2,
264 .sizeimage
= 640 * 480 * 2,
265 .colorspace
= V4L2_COLORSPACE_SRGB
,
269 static const u8 qvga_rates
[] = {125, 100, 75, 60, 50, 40, 30};
270 static const u8 vga_rates
[] = {60, 50, 40, 30, 15};
272 static const struct framerates ov772x_framerates
[] = {
275 .nrates
= ARRAY_SIZE(qvga_rates
),
279 .nrates
= ARRAY_SIZE(vga_rates
),
283 static const u8 bridge_init
[][2] = {
322 { 0x1d, 0x02 }, /* payload size 0x0200 * 4 = 2048 bytes */
323 { 0x1d, 0x00 }, /* payload size */
325 { 0x1d, 0x02 }, /* frame size 0x025800 * 4 = 614400 */
326 { 0x1d, 0x58 }, /* frame size */
327 { 0x1d, 0x00 }, /* frame size */
330 { 0x1d, 0x08 }, /* turn on UVC header */
331 { 0x1d, 0x0e }, /* .. */
341 static const u8 sensor_init
[][2] = {
344 /*fixme: better have a delay?*/
367 { 0x63, 0xaa }, /* AWB - was e0 */
370 { 0x13, 0xf0 }, /* com8 */
383 { 0x13, 0xff }, /* AWB */
431 { 0x8e, 0x00 }, /* De-noise threshold */
434 static const u8 bridge_start_vga
[][2] = {
445 static const u8 sensor_start_vga
[][2] = {
455 static const u8 bridge_start_qvga
[][2] = {
466 static const u8 sensor_start_qvga
[][2] = {
477 static void ov534_reg_write(struct gspca_dev
*gspca_dev
, u16 reg
, u8 val
)
479 struct usb_device
*udev
= gspca_dev
->dev
;
482 PDEBUG(D_USBO
, "reg=0x%04x, val=0%02x", reg
, val
);
483 gspca_dev
->usb_buf
[0] = val
;
484 ret
= usb_control_msg(udev
,
485 usb_sndctrlpipe(udev
, 0),
487 USB_DIR_OUT
| USB_TYPE_VENDOR
| USB_RECIP_DEVICE
,
488 0x00, reg
, gspca_dev
->usb_buf
, 1, CTRL_TIMEOUT
);
490 PDEBUG(D_ERR
, "write failed");
493 static u8
ov534_reg_read(struct gspca_dev
*gspca_dev
, u16 reg
)
495 struct usb_device
*udev
= gspca_dev
->dev
;
498 ret
= usb_control_msg(udev
,
499 usb_rcvctrlpipe(udev
, 0),
501 USB_DIR_IN
| USB_TYPE_VENDOR
| USB_RECIP_DEVICE
,
502 0x00, reg
, gspca_dev
->usb_buf
, 1, CTRL_TIMEOUT
);
503 PDEBUG(D_USBI
, "reg=0x%04x, data=0x%02x", reg
, gspca_dev
->usb_buf
[0]);
505 PDEBUG(D_ERR
, "read failed");
506 return gspca_dev
->usb_buf
[0];
509 /* Two bits control LED: 0x21 bit 7 and 0x23 bit 7.
510 * (direction and output)? */
511 static void ov534_set_led(struct gspca_dev
*gspca_dev
, int status
)
515 PDEBUG(D_CONF
, "led status: %d", status
);
517 data
= ov534_reg_read(gspca_dev
, 0x21);
519 ov534_reg_write(gspca_dev
, 0x21, data
);
521 data
= ov534_reg_read(gspca_dev
, 0x23);
527 ov534_reg_write(gspca_dev
, 0x23, data
);
530 data
= ov534_reg_read(gspca_dev
, 0x21);
532 ov534_reg_write(gspca_dev
, 0x21, data
);
536 static int sccb_check_status(struct gspca_dev
*gspca_dev
)
541 for (i
= 0; i
< 5; i
++) {
542 data
= ov534_reg_read(gspca_dev
, OV534_REG_STATUS
);
552 PDEBUG(D_ERR
, "sccb status 0x%02x, attempt %d/5",
559 static void sccb_reg_write(struct gspca_dev
*gspca_dev
, u8 reg
, u8 val
)
561 PDEBUG(D_USBO
, "reg: 0x%02x, val: 0x%02x", reg
, val
);
562 ov534_reg_write(gspca_dev
, OV534_REG_SUBADDR
, reg
);
563 ov534_reg_write(gspca_dev
, OV534_REG_WRITE
, val
);
564 ov534_reg_write(gspca_dev
, OV534_REG_OPERATION
, OV534_OP_WRITE_3
);
566 if (!sccb_check_status(gspca_dev
))
567 PDEBUG(D_ERR
, "sccb_reg_write failed");
570 static u8
sccb_reg_read(struct gspca_dev
*gspca_dev
, u16 reg
)
572 ov534_reg_write(gspca_dev
, OV534_REG_SUBADDR
, reg
);
573 ov534_reg_write(gspca_dev
, OV534_REG_OPERATION
, OV534_OP_WRITE_2
);
574 if (!sccb_check_status(gspca_dev
))
575 PDEBUG(D_ERR
, "sccb_reg_read failed 1");
577 ov534_reg_write(gspca_dev
, OV534_REG_OPERATION
, OV534_OP_READ_2
);
578 if (!sccb_check_status(gspca_dev
))
579 PDEBUG(D_ERR
, "sccb_reg_read failed 2");
581 return ov534_reg_read(gspca_dev
, OV534_REG_READ
);
584 /* output a bridge sequence (reg - val) */
585 static void reg_w_array(struct gspca_dev
*gspca_dev
,
586 const u8 (*data
)[2], int len
)
589 ov534_reg_write(gspca_dev
, (*data
)[0], (*data
)[1]);
594 /* output a sensor sequence (reg - val) */
595 static void sccb_w_array(struct gspca_dev
*gspca_dev
,
596 const u8 (*data
)[2], int len
)
599 if ((*data
)[0] != 0xff) {
600 sccb_reg_write(gspca_dev
, (*data
)[0], (*data
)[1]);
602 sccb_reg_read(gspca_dev
, (*data
)[1]);
603 sccb_reg_write(gspca_dev
, 0xff, 0x00);
609 /* ov772x specific controls */
610 static void set_frame_rate(struct gspca_dev
*gspca_dev
)
612 struct sd
*sd
= (struct sd
*) gspca_dev
;
620 const struct rate_s
*r
;
621 static const struct rate_s rate_0
[] = { /* 640x480 */
622 {60, 0x01, 0xc1, 0x04},
623 {50, 0x01, 0x41, 0x02},
624 {40, 0x02, 0xc1, 0x04},
625 {30, 0x04, 0x81, 0x02},
626 {15, 0x03, 0x41, 0x04},
628 static const struct rate_s rate_1
[] = { /* 320x240 */
629 {125, 0x02, 0x81, 0x02},
630 {100, 0x02, 0xc1, 0x04},
631 {75, 0x03, 0xc1, 0x04},
632 {60, 0x04, 0xc1, 0x04},
633 {50, 0x02, 0x41, 0x04},
634 {40, 0x03, 0x41, 0x04},
635 {30, 0x04, 0x41, 0x04},
638 if (gspca_dev
->cam
.cam_mode
[gspca_dev
->curr_mode
].priv
== 0) {
640 i
= ARRAY_SIZE(rate_0
);
643 i
= ARRAY_SIZE(rate_1
);
646 if (sd
->frame_rate
>= r
->fps
)
651 sccb_reg_write(gspca_dev
, 0x11, r
->r11
);
652 sccb_reg_write(gspca_dev
, 0x0d, r
->r0d
);
653 ov534_reg_write(gspca_dev
, 0xe5, r
->re5
);
655 PDEBUG(D_PROBE
, "frame_rate: %d", r
->fps
);
658 static void setbrightness(struct gspca_dev
*gspca_dev
)
660 struct sd
*sd
= (struct sd
*) gspca_dev
;
662 sccb_reg_write(gspca_dev
, 0x9b, sd
->brightness
);
665 static void setcontrast(struct gspca_dev
*gspca_dev
)
667 struct sd
*sd
= (struct sd
*) gspca_dev
;
669 sccb_reg_write(gspca_dev
, 0x9c, sd
->contrast
);
672 static void setgain(struct gspca_dev
*gspca_dev
)
674 struct sd
*sd
= (struct sd
*) gspca_dev
;
681 switch (val
& 0x30) {
699 sccb_reg_write(gspca_dev
, 0x00, val
);
702 static void setexposure(struct gspca_dev
*gspca_dev
)
704 struct sd
*sd
= (struct sd
*) gspca_dev
;
710 /* 'val' is one byte and represents half of the exposure value we are
711 * going to set into registers, a two bytes value:
713 * MSB: ((u16) val << 1) >> 8 == val >> 7
714 * LSB: ((u16) val << 1) & 0xff == val << 1
717 sccb_reg_write(gspca_dev
, 0x08, val
>> 7);
718 sccb_reg_write(gspca_dev
, 0x10, val
<< 1);
721 static void setagc(struct gspca_dev
*gspca_dev
)
723 struct sd
*sd
= (struct sd
*) gspca_dev
;
726 sccb_reg_write(gspca_dev
, 0x13,
727 sccb_reg_read(gspca_dev
, 0x13) | 0x04);
728 sccb_reg_write(gspca_dev
, 0x64,
729 sccb_reg_read(gspca_dev
, 0x64) | 0x03);
731 sccb_reg_write(gspca_dev
, 0x13,
732 sccb_reg_read(gspca_dev
, 0x13) & ~0x04);
733 sccb_reg_write(gspca_dev
, 0x64,
734 sccb_reg_read(gspca_dev
, 0x64) & ~0x03);
740 static void setawb(struct gspca_dev
*gspca_dev
)
742 struct sd
*sd
= (struct sd
*) gspca_dev
;
745 sccb_reg_write(gspca_dev
, 0x13,
746 sccb_reg_read(gspca_dev
, 0x13) | 0x02);
747 sccb_reg_write(gspca_dev
, 0x63,
748 sccb_reg_read(gspca_dev
, 0x63) | 0xc0);
750 sccb_reg_write(gspca_dev
, 0x13,
751 sccb_reg_read(gspca_dev
, 0x13) & ~0x02);
752 sccb_reg_write(gspca_dev
, 0x63,
753 sccb_reg_read(gspca_dev
, 0x63) & ~0xc0);
757 static void setaec(struct gspca_dev
*gspca_dev
)
759 struct sd
*sd
= (struct sd
*) gspca_dev
;
762 sccb_reg_write(gspca_dev
, 0x13,
763 sccb_reg_read(gspca_dev
, 0x13) | 0x01);
765 sccb_reg_write(gspca_dev
, 0x13,
766 sccb_reg_read(gspca_dev
, 0x13) & ~0x01);
767 setexposure(gspca_dev
);
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
); /* Auto de-noise threshold */
778 sccb_reg_write(gspca_dev
, 0x8e, val
); /* De-noise threshold */
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) & ~0x40);
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) & ~0x80);
805 static void setfreqfltr(struct gspca_dev
*gspca_dev
)
807 struct sd
*sd
= (struct sd
*) gspca_dev
;
809 if (sd
->freqfltr
== 0)
810 sccb_reg_write(gspca_dev
, 0x2b, 0x00);
812 sccb_reg_write(gspca_dev
, 0x2b, 0x9e);
816 /* this function is called at probe time */
817 static int sd_config(struct gspca_dev
*gspca_dev
,
818 const struct usb_device_id
*id
)
820 struct sd
*sd
= (struct sd
*) gspca_dev
;
823 cam
= &gspca_dev
->cam
;
825 cam
->cam_mode
= ov772x_mode
;
826 cam
->nmodes
= ARRAY_SIZE(ov772x_mode
);
827 cam
->mode_framerates
= ov772x_framerates
;
830 cam
->bulk_size
= 16384;
835 sd
->brightness
= BRIGHTNESS_DEF
;
836 sd
->contrast
= CONTRAST_DEF
;
838 sd
->exposure
= EXPO_DEF
;
842 gspca_dev
->ctrl_inac
|= (1 << AWB_IDX
);
846 sd
->sharpness
= SHARPNESS_DEF
;
847 sd
->hflip
= HFLIP_DEF
;
848 sd
->vflip
= VFLIP_DEF
;
849 sd
->freqfltr
= FREQFLTR_DEF
;
854 /* this function is called at probe and resume time */
855 static int sd_init(struct gspca_dev
*gspca_dev
)
860 ov534_reg_write(gspca_dev
, 0xe7, 0x3a);
861 ov534_reg_write(gspca_dev
, 0xe0, 0x08);
864 /* initialize the sensor address */
865 ov534_reg_write(gspca_dev
, OV534_REG_ADDRESS
, 0x42);
868 sccb_reg_write(gspca_dev
, 0x12, 0x80);
871 /* probe the sensor */
872 sccb_reg_read(gspca_dev
, 0x0a);
873 sensor_id
= sccb_reg_read(gspca_dev
, 0x0a) << 8;
874 sccb_reg_read(gspca_dev
, 0x0b);
875 sensor_id
|= sccb_reg_read(gspca_dev
, 0x0b);
876 PDEBUG(D_PROBE
, "Sensor ID: %04x", sensor_id
);
879 reg_w_array(gspca_dev
, bridge_init
,
880 ARRAY_SIZE(bridge_init
));
881 ov534_set_led(gspca_dev
, 1);
882 sccb_w_array(gspca_dev
, sensor_init
,
883 ARRAY_SIZE(sensor_init
));
884 ov534_reg_write(gspca_dev
, 0xe0, 0x09);
885 ov534_set_led(gspca_dev
, 0);
886 set_frame_rate(gspca_dev
);
891 static int sd_start(struct gspca_dev
*gspca_dev
)
895 mode
= gspca_dev
->cam
.cam_mode
[gspca_dev
->curr_mode
].priv
;
896 if (mode
!= 0) { /* 320x240 */
897 reg_w_array(gspca_dev
, bridge_start_qvga
,
898 ARRAY_SIZE(bridge_start_qvga
));
899 sccb_w_array(gspca_dev
, sensor_start_qvga
,
900 ARRAY_SIZE(sensor_start_qvga
));
901 } else { /* 640x480 */
902 reg_w_array(gspca_dev
, bridge_start_vga
,
903 ARRAY_SIZE(bridge_start_vga
));
904 sccb_w_array(gspca_dev
, sensor_start_vga
,
905 ARRAY_SIZE(sensor_start_vga
));
907 set_frame_rate(gspca_dev
);
913 setexposure(gspca_dev
);
914 setbrightness(gspca_dev
);
915 setcontrast(gspca_dev
);
916 setsharpness(gspca_dev
);
919 setfreqfltr(gspca_dev
);
921 ov534_set_led(gspca_dev
, 1);
922 ov534_reg_write(gspca_dev
, 0xe0, 0x00);
926 static void sd_stopN(struct gspca_dev
*gspca_dev
)
928 ov534_reg_write(gspca_dev
, 0xe0, 0x09);
929 ov534_set_led(gspca_dev
, 0);
932 /* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */
933 #define UVC_STREAM_EOH (1 << 7)
934 #define UVC_STREAM_ERR (1 << 6)
935 #define UVC_STREAM_STI (1 << 5)
936 #define UVC_STREAM_RES (1 << 4)
937 #define UVC_STREAM_SCR (1 << 3)
938 #define UVC_STREAM_PTS (1 << 2)
939 #define UVC_STREAM_EOF (1 << 1)
940 #define UVC_STREAM_FID (1 << 0)
942 static void sd_pkt_scan(struct gspca_dev
*gspca_dev
,
945 struct sd
*sd
= (struct sd
*) gspca_dev
;
948 int remaining_len
= len
;
951 len
= min(remaining_len
, 2048);
953 /* Payloads are prefixed with a UVC-style header. We
954 consider a frame to start when the FID toggles, or the PTS
955 changes. A frame ends when EOF is set, and we've received
956 the correct number of bytes. */
958 /* Verify UVC header. Header length is always 12 */
959 if (data
[0] != 12 || len
< 12) {
960 PDEBUG(D_PACK
, "bad header");
965 if (data
[1] & UVC_STREAM_ERR
) {
966 PDEBUG(D_PACK
, "payload error");
970 /* Extract PTS and FID */
971 if (!(data
[1] & UVC_STREAM_PTS
)) {
972 PDEBUG(D_PACK
, "PTS not present");
975 this_pts
= (data
[5] << 24) | (data
[4] << 16)
976 | (data
[3] << 8) | data
[2];
977 this_fid
= (data
[1] & UVC_STREAM_FID
) ? 1 : 0;
979 /* If PTS or FID has changed, start a new frame. */
980 if (this_pts
!= sd
->last_pts
|| this_fid
!= sd
->last_fid
) {
981 if (gspca_dev
->last_packet_type
== INTER_PACKET
)
982 gspca_frame_add(gspca_dev
, LAST_PACKET
,
984 sd
->last_pts
= this_pts
;
985 sd
->last_fid
= this_fid
;
986 gspca_frame_add(gspca_dev
, FIRST_PACKET
,
987 data
+ 12, len
- 12);
988 /* If this packet is marked as EOF, end the frame */
989 } else if (data
[1] & UVC_STREAM_EOF
) {
990 struct gspca_frame
*frame
;
993 frame
= gspca_get_i_frame(gspca_dev
);
996 if (frame
->data_end
- frame
->data
+ (len
- 12) !=
997 gspca_dev
->width
* gspca_dev
->height
* 2) {
998 PDEBUG(D_PACK
, "wrong sized frame");
1001 gspca_frame_add(gspca_dev
, LAST_PACKET
,
1002 data
+ 12, len
- 12);
1005 /* Add the data from this payload */
1006 gspca_frame_add(gspca_dev
, INTER_PACKET
,
1007 data
+ 12, len
- 12);
1010 /* Done this payload */
1014 /* Discard data until a new frame starts. */
1015 gspca_dev
->last_packet_type
= DISCARD_PACKET
;
1018 remaining_len
-= len
;
1020 } while (remaining_len
> 0);
1024 static int sd_setgain(struct gspca_dev
*gspca_dev
, __s32 val
)
1026 struct sd
*sd
= (struct sd
*) gspca_dev
;
1029 if (gspca_dev
->streaming
)
1034 static int sd_getgain(struct gspca_dev
*gspca_dev
, __s32
*val
)
1036 struct sd
*sd
= (struct sd
*) gspca_dev
;
1042 static int sd_setexposure(struct gspca_dev
*gspca_dev
, __s32 val
)
1044 struct sd
*sd
= (struct sd
*) gspca_dev
;
1047 if (gspca_dev
->streaming
)
1048 setexposure(gspca_dev
);
1052 static int sd_getexposure(struct gspca_dev
*gspca_dev
, __s32
*val
)
1054 struct sd
*sd
= (struct sd
*) gspca_dev
;
1056 *val
= sd
->exposure
;
1060 static int sd_setbrightness(struct gspca_dev
*gspca_dev
, __s32 val
)
1062 struct sd
*sd
= (struct sd
*) gspca_dev
;
1064 sd
->brightness
= val
;
1065 if (gspca_dev
->streaming
)
1066 setbrightness(gspca_dev
);
1070 static int sd_getbrightness(struct gspca_dev
*gspca_dev
, __s32
*val
)
1072 struct sd
*sd
= (struct sd
*) gspca_dev
;
1074 *val
= sd
->brightness
;
1078 static int sd_setcontrast(struct gspca_dev
*gspca_dev
, __s32 val
)
1080 struct sd
*sd
= (struct sd
*) gspca_dev
;
1083 if (gspca_dev
->streaming
)
1084 setcontrast(gspca_dev
);
1088 static int sd_getcontrast(struct gspca_dev
*gspca_dev
, __s32
*val
)
1090 struct sd
*sd
= (struct sd
*) gspca_dev
;
1092 *val
= sd
->contrast
;
1096 static int sd_setagc(struct gspca_dev
*gspca_dev
, __s32 val
)
1098 struct sd
*sd
= (struct sd
*) gspca_dev
;
1102 if (gspca_dev
->streaming
) {
1104 /* the auto white balance control works only
1105 * when auto gain is set */
1107 gspca_dev
->ctrl_inac
&= ~(1 << AWB_IDX
);
1109 gspca_dev
->ctrl_inac
|= (1 << AWB_IDX
);
1115 static int sd_getagc(struct gspca_dev
*gspca_dev
, __s32
*val
)
1117 struct sd
*sd
= (struct sd
*) gspca_dev
;
1123 static int sd_setawb(struct gspca_dev
*gspca_dev
, __s32 val
)
1125 struct sd
*sd
= (struct sd
*) gspca_dev
;
1128 if (gspca_dev
->streaming
)
1133 static int sd_getawb(struct gspca_dev
*gspca_dev
, __s32
*val
)
1135 struct sd
*sd
= (struct sd
*) gspca_dev
;
1141 static int sd_setaec(struct gspca_dev
*gspca_dev
, __s32 val
)
1143 struct sd
*sd
= (struct sd
*) gspca_dev
;
1146 if (gspca_dev
->streaming
)
1151 static int sd_getaec(struct gspca_dev
*gspca_dev
, __s32
*val
)
1153 struct sd
*sd
= (struct sd
*) gspca_dev
;
1159 static int sd_setsharpness(struct gspca_dev
*gspca_dev
, __s32 val
)
1161 struct sd
*sd
= (struct sd
*) gspca_dev
;
1163 sd
->sharpness
= val
;
1164 if (gspca_dev
->streaming
)
1165 setsharpness(gspca_dev
);
1169 static int sd_getsharpness(struct gspca_dev
*gspca_dev
, __s32
*val
)
1171 struct sd
*sd
= (struct sd
*) gspca_dev
;
1173 *val
= sd
->sharpness
;
1177 static int sd_sethflip(struct gspca_dev
*gspca_dev
, __s32 val
)
1179 struct sd
*sd
= (struct sd
*) gspca_dev
;
1182 if (gspca_dev
->streaming
)
1183 sethflip(gspca_dev
);
1187 static int sd_gethflip(struct gspca_dev
*gspca_dev
, __s32
*val
)
1189 struct sd
*sd
= (struct sd
*) gspca_dev
;
1195 static int sd_setvflip(struct gspca_dev
*gspca_dev
, __s32 val
)
1197 struct sd
*sd
= (struct sd
*) gspca_dev
;
1200 if (gspca_dev
->streaming
)
1201 setvflip(gspca_dev
);
1205 static int sd_getvflip(struct gspca_dev
*gspca_dev
, __s32
*val
)
1207 struct sd
*sd
= (struct sd
*) gspca_dev
;
1213 static int sd_setfreqfltr(struct gspca_dev
*gspca_dev
, __s32 val
)
1215 struct sd
*sd
= (struct sd
*) gspca_dev
;
1218 if (gspca_dev
->streaming
)
1219 setfreqfltr(gspca_dev
);
1223 static int sd_getfreqfltr(struct gspca_dev
*gspca_dev
, __s32
*val
)
1225 struct sd
*sd
= (struct sd
*) gspca_dev
;
1227 *val
= sd
->freqfltr
;
1231 static int sd_querymenu(struct gspca_dev
*gspca_dev
,
1232 struct v4l2_querymenu
*menu
)
1235 case V4L2_CID_POWER_LINE_FREQUENCY
:
1236 switch (menu
->index
) {
1237 case 0: /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */
1238 strcpy((char *) menu
->name
, "Disabled");
1240 case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */
1241 strcpy((char *) menu
->name
, "50 Hz");
1250 /* get stream parameters (framerate) */
1251 static int sd_get_streamparm(struct gspca_dev
*gspca_dev
,
1252 struct v4l2_streamparm
*parm
)
1254 struct v4l2_captureparm
*cp
= &parm
->parm
.capture
;
1255 struct v4l2_fract
*tpf
= &cp
->timeperframe
;
1256 struct sd
*sd
= (struct sd
*) gspca_dev
;
1258 if (parm
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
)
1261 cp
->capability
|= V4L2_CAP_TIMEPERFRAME
;
1263 tpf
->denominator
= sd
->frame_rate
;
1268 /* set stream parameters (framerate) */
1269 static int sd_set_streamparm(struct gspca_dev
*gspca_dev
,
1270 struct v4l2_streamparm
*parm
)
1272 struct v4l2_captureparm
*cp
= &parm
->parm
.capture
;
1273 struct v4l2_fract
*tpf
= &cp
->timeperframe
;
1274 struct sd
*sd
= (struct sd
*) gspca_dev
;
1276 if (parm
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
)
1279 /* Set requested framerate */
1280 sd
->frame_rate
= tpf
->denominator
/ tpf
->numerator
;
1281 if (gspca_dev
->streaming
)
1282 set_frame_rate(gspca_dev
);
1284 /* Return the actual framerate */
1286 tpf
->denominator
= sd
->frame_rate
;
1291 /* sub-driver description */
1292 static const struct sd_desc sd_desc
= {
1293 .name
= MODULE_NAME
,
1295 .nctrls
= ARRAY_SIZE(sd_ctrls
),
1296 .config
= sd_config
,
1300 .pkt_scan
= sd_pkt_scan
,
1301 .querymenu
= sd_querymenu
,
1302 .get_streamparm
= sd_get_streamparm
,
1303 .set_streamparm
= sd_set_streamparm
,
1306 /* -- module initialisation -- */
1307 static const __devinitdata
struct usb_device_id device_table
[] = {
1308 {USB_DEVICE(0x1415, 0x2000)},
1312 MODULE_DEVICE_TABLE(usb
, device_table
);
1314 /* -- device connect -- */
1315 static int sd_probe(struct usb_interface
*intf
, const struct usb_device_id
*id
)
1317 return gspca_dev_probe(intf
, id
, &sd_desc
, sizeof(struct sd
),
1321 static struct usb_driver sd_driver
= {
1322 .name
= MODULE_NAME
,
1323 .id_table
= device_table
,
1325 .disconnect
= gspca_disconnect
,
1327 .suspend
= gspca_suspend
,
1328 .resume
= gspca_resume
,
1332 /* -- module insert / remove -- */
1333 static int __init
sd_mod_init(void)
1337 ret
= usb_register(&sd_driver
);
1340 PDEBUG(D_PROBE
, "registered");
1344 static void __exit
sd_mod_exit(void)
1346 usb_deregister(&sd_driver
);
1347 PDEBUG(D_PROBE
, "deregistered");
1350 module_init(sd_mod_init
);
1351 module_exit(sd_mod_exit
);