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googlers / maze / linux / v3.8-rc5 / . / drivers / media / usb / gspca / spca506.c
blob: bcd2c04c770e919d86473adc6282e8f5b0f11c4e [file] [log] [blame]
/*
* SPCA506 chip based cameras function
* M Xhaard 15/04/2004 based on different work Mark Taylor and others
* and my own snoopy file on a pv-321c donate by a german compagny
* "Firma Frank Gmbh" from Saarbruecken
*
* V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define MODULE_NAME "spca506"
#include "gspca.h"
MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
MODULE_DESCRIPTION("GSPCA/SPCA506 USB Camera Driver");
MODULE_LICENSE("GPL");
/* specific webcam descriptor */
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
char norme;
char channel;
};
static const struct v4l2_pix_format vga_mode[] = {
{160, 120, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
.bytesperline = 160,
.sizeimage = 160 * 120 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 5},
{176, 144, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
.bytesperline = 176,
.sizeimage = 176 * 144 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 4},
{320, 240, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
.bytesperline = 320,
.sizeimage = 320 * 240 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 2},
{352, 288, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
.bytesperline = 352,
.sizeimage = 352 * 288 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 1},
{640, 480, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
.bytesperline = 640,
.sizeimage = 640 * 480 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 0},
};
#define SPCA50X_OFFSET_DATA 10
#define SAA7113_bright 0x0a /* defaults 0x80 */
#define SAA7113_contrast 0x0b /* defaults 0x47 */
#define SAA7113_saturation 0x0c /* defaults 0x40 */
#define SAA7113_hue 0x0d /* defaults 0x00 */
#define SAA7113_I2C_BASE_WRITE 0x4a
/* read 'len' bytes to gspca_dev->usb_buf */
static void reg_r(struct gspca_dev *gspca_dev,
__u16 req,
__u16 index,
__u16 length)
{
usb_control_msg(gspca_dev->dev,
usb_rcvctrlpipe(gspca_dev->dev, 0),
req,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
0, /* value */
index, gspca_dev->usb_buf, length,
500);
}
static void reg_w(struct usb_device *dev,
__u16 req,
__u16 value,
__u16 index)
{
usb_control_msg(dev,
usb_sndctrlpipe(dev, 0),
req,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value, index,
NULL, 0, 500);
}
static void spca506_Initi2c(struct gspca_dev *gspca_dev)
{
reg_w(gspca_dev->dev, 0x07, SAA7113_I2C_BASE_WRITE, 0x0004);
}
static void spca506_WriteI2c(struct gspca_dev *gspca_dev, __u16 valeur,
__u16 reg)
{
int retry = 60;
reg_w(gspca_dev->dev, 0x07, reg, 0x0001);
reg_w(gspca_dev->dev, 0x07, valeur, 0x0000);
while (retry--) {
reg_r(gspca_dev, 0x07, 0x0003, 2);
if ((gspca_dev->usb_buf[0] | gspca_dev->usb_buf[1]) == 0x00)
break;
}
}
static void spca506_SetNormeInput(struct gspca_dev *gspca_dev,
__u16 norme,
__u16 channel)
{
struct sd *sd = (struct sd *) gspca_dev;
/* fixme: check if channel == 0..3 and 6..9 (8 values) */
__u8 setbit0 = 0x00;
__u8 setbit1 = 0x00;
__u8 videomask = 0x00;
PDEBUG(D_STREAM, "** Open Set Norme **");
spca506_Initi2c(gspca_dev);
/* NTSC bit0 -> 1(525 l) PAL SECAM bit0 -> 0 (625 l) */
/* Composite channel bit1 -> 1 S-video bit 1 -> 0 */
/* and exclude SAA7113 reserved channel set default 0 otherwise */
if (norme & V4L2_STD_NTSC)
setbit0 = 0x01;
if (channel == 4 || channel == 5 || channel > 9)
channel = 0;
if (channel < 4)
setbit1 = 0x02;
videomask = (0x48 | setbit0 | setbit1);
reg_w(gspca_dev->dev, 0x08, videomask, 0x0000);
spca506_WriteI2c(gspca_dev, (0xc0 | (channel & 0x0F)), 0x02);
if (norme & V4L2_STD_NTSC)
spca506_WriteI2c(gspca_dev, 0x33, 0x0e);
/* Chrominance Control NTSC N */
else if (norme & V4L2_STD_SECAM)
spca506_WriteI2c(gspca_dev, 0x53, 0x0e);
/* Chrominance Control SECAM */
else
spca506_WriteI2c(gspca_dev, 0x03, 0x0e);
/* Chrominance Control PAL BGHIV */
sd->norme = norme;
sd->channel = channel;
PDEBUG(D_STREAM, "Set Video Byte to 0x%2x", videomask);
PDEBUG(D_STREAM, "Set Norme: %08x Channel %d", norme, channel);
}
static void spca506_GetNormeInput(struct gspca_dev *gspca_dev,
__u16 *norme, __u16 *channel)
{
struct sd *sd = (struct sd *) gspca_dev;
/* Read the register is not so good value change so
we use your own copy in spca50x struct */
*norme = sd->norme;
*channel = sd->channel;
PDEBUG(D_STREAM, "Get Norme: %d Channel %d", *norme, *channel);
}
static void spca506_Setsize(struct gspca_dev *gspca_dev, __u16 code,
__u16 xmult, __u16 ymult)
{
struct usb_device *dev = gspca_dev->dev;
PDEBUG(D_STREAM, "** SetSize **");
reg_w(dev, 0x04, (0x18 | (code & 0x07)), 0x0000);
/* Soft snap 0x40 Hard 0x41 */
reg_w(dev, 0x04, 0x41, 0x0001);
reg_w(dev, 0x04, 0x00, 0x0002);
/* reserved */
reg_w(dev, 0x04, 0x00, 0x0003);
/* reserved */
reg_w(dev, 0x04, 0x00, 0x0004);
/* reserved */
reg_w(dev, 0x04, 0x01, 0x0005);
/* reserced */
reg_w(dev, 0x04, xmult, 0x0006);
/* reserved */
reg_w(dev, 0x04, ymult, 0x0007);
/* compression 1 */
reg_w(dev, 0x04, 0x00, 0x0008);
/* T=64 -> 2 */
reg_w(dev, 0x04, 0x00, 0x0009);
/* threshold2D */
reg_w(dev, 0x04, 0x21, 0x000a);
/* quantization */
reg_w(dev, 0x04, 0x00, 0x000b);
}
/* this function is called at probe time */
static int sd_config(struct gspca_dev *gspca_dev,
const struct usb_device_id *id)
{
struct cam *cam;
cam = &gspca_dev->cam;
cam->cam_mode = vga_mode;
cam->nmodes = ARRAY_SIZE(vga_mode);
return 0;
}
/* this function is called at probe and resume time */
static int sd_init(struct gspca_dev *gspca_dev)
{
struct usb_device *dev = gspca_dev->dev;
reg_w(dev, 0x03, 0x00, 0x0004);
reg_w(dev, 0x03, 0xFF, 0x0003);
reg_w(dev, 0x03, 0x00, 0x0000);
reg_w(dev, 0x03, 0x1c, 0x0001);
reg_w(dev, 0x03, 0x18, 0x0001);
/* Init on PAL and composite input0 */
spca506_SetNormeInput(gspca_dev, 0, 0);
reg_w(dev, 0x03, 0x1c, 0x0001);
reg_w(dev, 0x03, 0x18, 0x0001);
reg_w(dev, 0x05, 0x00, 0x0000);
reg_w(dev, 0x05, 0xef, 0x0001);
reg_w(dev, 0x05, 0x00, 0x00c1);
reg_w(dev, 0x05, 0x00, 0x00c2);
reg_w(dev, 0x06, 0x18, 0x0002);
reg_w(dev, 0x06, 0xf5, 0x0011);
reg_w(dev, 0x06, 0x02, 0x0012);
reg_w(dev, 0x06, 0xfb, 0x0013);
reg_w(dev, 0x06, 0x00, 0x0014);
reg_w(dev, 0x06, 0xa4, 0x0051);
reg_w(dev, 0x06, 0x40, 0x0052);
reg_w(dev, 0x06, 0x71, 0x0053);
reg_w(dev, 0x06, 0x40, 0x0054);
/************************************************/
reg_w(dev, 0x03, 0x00, 0x0004);
reg_w(dev, 0x03, 0x00, 0x0003);
reg_w(dev, 0x03, 0x00, 0x0004);
reg_w(dev, 0x03, 0xFF, 0x0003);
reg_w(dev, 0x02, 0x00, 0x0000);
reg_w(dev, 0x03, 0x60, 0x0000);
reg_w(dev, 0x03, 0x18, 0x0001);
/* for a better reading mx :) */
/*sdca506_WriteI2c(value,register) */
spca506_Initi2c(gspca_dev);
spca506_WriteI2c(gspca_dev, 0x08, 0x01);
spca506_WriteI2c(gspca_dev, 0xc0, 0x02);
/* input composite video */
spca506_WriteI2c(gspca_dev, 0x33, 0x03);
spca506_WriteI2c(gspca_dev, 0x00, 0x04);
spca506_WriteI2c(gspca_dev, 0x00, 0x05);
spca506_WriteI2c(gspca_dev, 0x0d, 0x06);
spca506_WriteI2c(gspca_dev, 0xf0, 0x07);
spca506_WriteI2c(gspca_dev, 0x98, 0x08);
spca506_WriteI2c(gspca_dev, 0x03, 0x09);
spca506_WriteI2c(gspca_dev, 0x80, 0x0a);
spca506_WriteI2c(gspca_dev, 0x47, 0x0b);
spca506_WriteI2c(gspca_dev, 0x48, 0x0c);
spca506_WriteI2c(gspca_dev, 0x00, 0x0d);
spca506_WriteI2c(gspca_dev, 0x03, 0x0e); /* Chroma Pal adjust */
spca506_WriteI2c(gspca_dev, 0x2a, 0x0f);
spca506_WriteI2c(gspca_dev, 0x00, 0x10);
spca506_WriteI2c(gspca_dev, 0x0c, 0x11);
spca506_WriteI2c(gspca_dev, 0xb8, 0x12);
spca506_WriteI2c(gspca_dev, 0x01, 0x13);
spca506_WriteI2c(gspca_dev, 0x00, 0x14);
spca506_WriteI2c(gspca_dev, 0x00, 0x15);
spca506_WriteI2c(gspca_dev, 0x00, 0x16);
spca506_WriteI2c(gspca_dev, 0x00, 0x17);
spca506_WriteI2c(gspca_dev, 0x00, 0x18);
spca506_WriteI2c(gspca_dev, 0x00, 0x19);
spca506_WriteI2c(gspca_dev, 0x00, 0x1a);
spca506_WriteI2c(gspca_dev, 0x00, 0x1b);
spca506_WriteI2c(gspca_dev, 0x00, 0x1c);
spca506_WriteI2c(gspca_dev, 0x00, 0x1d);
spca506_WriteI2c(gspca_dev, 0x00, 0x1e);
spca506_WriteI2c(gspca_dev, 0xa1, 0x1f);
spca506_WriteI2c(gspca_dev, 0x02, 0x40);
spca506_WriteI2c(gspca_dev, 0xff, 0x41);
spca506_WriteI2c(gspca_dev, 0xff, 0x42);
spca506_WriteI2c(gspca_dev, 0xff, 0x43);
spca506_WriteI2c(gspca_dev, 0xff, 0x44);
spca506_WriteI2c(gspca_dev, 0xff, 0x45);
spca506_WriteI2c(gspca_dev, 0xff, 0x46);
spca506_WriteI2c(gspca_dev, 0xff, 0x47);
spca506_WriteI2c(gspca_dev, 0xff, 0x48);
spca506_WriteI2c(gspca_dev, 0xff, 0x49);
spca506_WriteI2c(gspca_dev, 0xff, 0x4a);
spca506_WriteI2c(gspca_dev, 0xff, 0x4b);
spca506_WriteI2c(gspca_dev, 0xff, 0x4c);
spca506_WriteI2c(gspca_dev, 0xff, 0x4d);
spca506_WriteI2c(gspca_dev, 0xff, 0x4e);
spca506_WriteI2c(gspca_dev, 0xff, 0x4f);
spca506_WriteI2c(gspca_dev, 0xff, 0x50);
spca506_WriteI2c(gspca_dev, 0xff, 0x51);
spca506_WriteI2c(gspca_dev, 0xff, 0x52);
spca506_WriteI2c(gspca_dev, 0xff, 0x53);
spca506_WriteI2c(gspca_dev, 0xff, 0x54);
spca506_WriteI2c(gspca_dev, 0xff, 0x55);
spca506_WriteI2c(gspca_dev, 0xff, 0x56);
spca506_WriteI2c(gspca_dev, 0xff, 0x57);
spca506_WriteI2c(gspca_dev, 0x00, 0x58);
spca506_WriteI2c(gspca_dev, 0x54, 0x59);
spca506_WriteI2c(gspca_dev, 0x07, 0x5a);
spca506_WriteI2c(gspca_dev, 0x83, 0x5b);
spca506_WriteI2c(gspca_dev, 0x00, 0x5c);
spca506_WriteI2c(gspca_dev, 0x00, 0x5d);
spca506_WriteI2c(gspca_dev, 0x00, 0x5e);
spca506_WriteI2c(gspca_dev, 0x00, 0x5f);
spca506_WriteI2c(gspca_dev, 0x00, 0x60);
spca506_WriteI2c(gspca_dev, 0x05, 0x61);
spca506_WriteI2c(gspca_dev, 0x9f, 0x62);
PDEBUG(D_STREAM, "** Close Init *");
return 0;
}
static int sd_start(struct gspca_dev *gspca_dev)
{
struct usb_device *dev = gspca_dev->dev;
__u16 norme;
__u16 channel;
/**************************************/
reg_w(dev, 0x03, 0x00, 0x0004);
reg_w(dev, 0x03, 0x00, 0x0003);
reg_w(dev, 0x03, 0x00, 0x0004);
reg_w(dev, 0x03, 0xFF, 0x0003);
reg_w(dev, 0x02, 0x00, 0x0000);
reg_w(dev, 0x03, 0x60, 0x0000);
reg_w(dev, 0x03, 0x18, 0x0001);
/*sdca506_WriteI2c(value,register) */
spca506_Initi2c(gspca_dev);
spca506_WriteI2c(gspca_dev, 0x08, 0x01); /* Increment Delay */
/* spca506_WriteI2c(gspca_dev, 0xc0, 0x02); * Analog Input Control 1 */
spca506_WriteI2c(gspca_dev, 0x33, 0x03);
/* Analog Input Control 2 */
spca506_WriteI2c(gspca_dev, 0x00, 0x04);
/* Analog Input Control 3 */
spca506_WriteI2c(gspca_dev, 0x00, 0x05);
/* Analog Input Control 4 */
spca506_WriteI2c(gspca_dev, 0x0d, 0x06);
/* Horizontal Sync Start 0xe9-0x0d */
spca506_WriteI2c(gspca_dev, 0xf0, 0x07);
/* Horizontal Sync Stop 0x0d-0xf0 */
spca506_WriteI2c(gspca_dev, 0x98, 0x08); /* Sync Control */
/* Defaults value */
spca506_WriteI2c(gspca_dev, 0x03, 0x09); /* Luminance Control */
spca506_WriteI2c(gspca_dev, 0x80, 0x0a);
/* Luminance Brightness */
spca506_WriteI2c(gspca_dev, 0x47, 0x0b); /* Luminance Contrast */
spca506_WriteI2c(gspca_dev, 0x48, 0x0c);
/* Chrominance Saturation */
spca506_WriteI2c(gspca_dev, 0x00, 0x0d);
/* Chrominance Hue Control */
spca506_WriteI2c(gspca_dev, 0x2a, 0x0f);
/* Chrominance Gain Control */
/**************************************/
spca506_WriteI2c(gspca_dev, 0x00, 0x10);
/* Format/Delay Control */
spca506_WriteI2c(gspca_dev, 0x0c, 0x11); /* Output Control 1 */
spca506_WriteI2c(gspca_dev, 0xb8, 0x12); /* Output Control 2 */
spca506_WriteI2c(gspca_dev, 0x01, 0x13); /* Output Control 3 */
spca506_WriteI2c(gspca_dev, 0x00, 0x14); /* reserved */
spca506_WriteI2c(gspca_dev, 0x00, 0x15); /* VGATE START */
spca506_WriteI2c(gspca_dev, 0x00, 0x16); /* VGATE STOP */
spca506_WriteI2c(gspca_dev, 0x00, 0x17); /* VGATE Control (MSB) */
spca506_WriteI2c(gspca_dev, 0x00, 0x18);
spca506_WriteI2c(gspca_dev, 0x00, 0x19);
spca506_WriteI2c(gspca_dev, 0x00, 0x1a);
spca506_WriteI2c(gspca_dev, 0x00, 0x1b);
spca506_WriteI2c(gspca_dev, 0x00, 0x1c);
spca506_WriteI2c(gspca_dev, 0x00, 0x1d);
spca506_WriteI2c(gspca_dev, 0x00, 0x1e);
spca506_WriteI2c(gspca_dev, 0xa1, 0x1f);
spca506_WriteI2c(gspca_dev, 0x02, 0x40);
spca506_WriteI2c(gspca_dev, 0xff, 0x41);
spca506_WriteI2c(gspca_dev, 0xff, 0x42);
spca506_WriteI2c(gspca_dev, 0xff, 0x43);
spca506_WriteI2c(gspca_dev, 0xff, 0x44);
spca506_WriteI2c(gspca_dev, 0xff, 0x45);
spca506_WriteI2c(gspca_dev, 0xff, 0x46);
spca506_WriteI2c(gspca_dev, 0xff, 0x47);
spca506_WriteI2c(gspca_dev, 0xff, 0x48);
spca506_WriteI2c(gspca_dev, 0xff, 0x49);
spca506_WriteI2c(gspca_dev, 0xff, 0x4a);
spca506_WriteI2c(gspca_dev, 0xff, 0x4b);
spca506_WriteI2c(gspca_dev, 0xff, 0x4c);
spca506_WriteI2c(gspca_dev, 0xff, 0x4d);
spca506_WriteI2c(gspca_dev, 0xff, 0x4e);
spca506_WriteI2c(gspca_dev, 0xff, 0x4f);
spca506_WriteI2c(gspca_dev, 0xff, 0x50);
spca506_WriteI2c(gspca_dev, 0xff, 0x51);
spca506_WriteI2c(gspca_dev, 0xff, 0x52);
spca506_WriteI2c(gspca_dev, 0xff, 0x53);
spca506_WriteI2c(gspca_dev, 0xff, 0x54);
spca506_WriteI2c(gspca_dev, 0xff, 0x55);
spca506_WriteI2c(gspca_dev, 0xff, 0x56);
spca506_WriteI2c(gspca_dev, 0xff, 0x57);
spca506_WriteI2c(gspca_dev, 0x00, 0x58);
spca506_WriteI2c(gspca_dev, 0x54, 0x59);
spca506_WriteI2c(gspca_dev, 0x07, 0x5a);
spca506_WriteI2c(gspca_dev, 0x83, 0x5b);
spca506_WriteI2c(gspca_dev, 0x00, 0x5c);
spca506_WriteI2c(gspca_dev, 0x00, 0x5d);
spca506_WriteI2c(gspca_dev, 0x00, 0x5e);
spca506_WriteI2c(gspca_dev, 0x00, 0x5f);
spca506_WriteI2c(gspca_dev, 0x00, 0x60);
spca506_WriteI2c(gspca_dev, 0x05, 0x61);
spca506_WriteI2c(gspca_dev, 0x9f, 0x62);
/**************************************/
reg_w(dev, 0x05, 0x00, 0x0003);
reg_w(dev, 0x05, 0x00, 0x0004);
reg_w(dev, 0x03, 0x10, 0x0001);
reg_w(dev, 0x03, 0x78, 0x0000);
switch (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
case 0:
spca506_Setsize(gspca_dev, 0, 0x10, 0x10);
break;
case 1:
spca506_Setsize(gspca_dev, 1, 0x1a, 0x1a);
break;
case 2:
spca506_Setsize(gspca_dev, 2, 0x1c, 0x1c);
break;
case 4:
spca506_Setsize(gspca_dev, 4, 0x34, 0x34);
break;
default:
/* case 5: */
spca506_Setsize(gspca_dev, 5, 0x40, 0x40);
break;
}
/* compress setting and size */
/* set i2c luma */
reg_w(dev, 0x02, 0x01, 0x0000);
reg_w(dev, 0x03, 0x12, 0x0000);
reg_r(gspca_dev, 0x04, 0x0001, 2);
PDEBUG(D_STREAM, "webcam started");
spca506_GetNormeInput(gspca_dev, &norme, &channel);
spca506_SetNormeInput(gspca_dev, norme, channel);
return 0;
}
static void sd_stopN(struct gspca_dev *gspca_dev)
{
struct usb_device *dev = gspca_dev->dev;
reg_w(dev, 0x02, 0x00, 0x0000);
reg_w(dev, 0x03, 0x00, 0x0004);
reg_w(dev, 0x03, 0x00, 0x0003);
}
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
u8 *data, /* isoc packet */
int len) /* iso packet length */
{
switch (data[0]) {
case 0: /* start of frame */
gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
data += SPCA50X_OFFSET_DATA;
len -= SPCA50X_OFFSET_DATA;
gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);
break;
case 0xff: /* drop */
/* gspca_dev->last_packet_type = DISCARD_PACKET; */
break;
default:
data += 1;
len -= 1;
gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
break;
}
}
static void setbrightness(struct gspca_dev *gspca_dev, s32 val)
{
spca506_Initi2c(gspca_dev);
spca506_WriteI2c(gspca_dev, val, SAA7113_bright);
spca506_WriteI2c(gspca_dev, 0x01, 0x09);
}
static void setcontrast(struct gspca_dev *gspca_dev, s32 val)
{
spca506_Initi2c(gspca_dev);
spca506_WriteI2c(gspca_dev, val, SAA7113_contrast);
spca506_WriteI2c(gspca_dev, 0x01, 0x09);
}
static void setcolors(struct gspca_dev *gspca_dev, s32 val)
{
spca506_Initi2c(gspca_dev);
spca506_WriteI2c(gspca_dev, val, SAA7113_saturation);
spca506_WriteI2c(gspca_dev, 0x01, 0x09);
}
static void sethue(struct gspca_dev *gspca_dev, s32 val)
{
spca506_Initi2c(gspca_dev);
spca506_WriteI2c(gspca_dev, val, SAA7113_hue);
spca506_WriteI2c(gspca_dev, 0x01, 0x09);
}
static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct gspca_dev *gspca_dev =
container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
gspca_dev->usb_err = 0;
if (!gspca_dev->streaming)
return 0;
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
setbrightness(gspca_dev, ctrl->val);
break;
case V4L2_CID_CONTRAST:
setcontrast(gspca_dev, ctrl->val);
break;
case V4L2_CID_SATURATION:
setcolors(gspca_dev, ctrl->val);
break;
case V4L2_CID_HUE:
sethue(gspca_dev, ctrl->val);
break;
}
return gspca_dev->usb_err;
}
static const struct v4l2_ctrl_ops sd_ctrl_ops = {
.s_ctrl = sd_s_ctrl,
};
static int sd_init_controls(struct gspca_dev *gspca_dev)
{
struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
gspca_dev->vdev.ctrl_handler = hdl;
v4l2_ctrl_handler_init(hdl, 4);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_CONTRAST, 0, 255, 1, 0x47);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_SATURATION, 0, 255, 1, 0x40);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_HUE, 0, 255, 1, 0);
if (hdl->error) {
pr_err("Could not initialize controls\n");
return hdl->error;
}
return 0;
}
/* sub-driver description */
static const struct sd_desc sd_desc = {
.name = MODULE_NAME,
.config = sd_config,
.init = sd_init,
.init_controls = sd_init_controls,
.start = sd_start,
.stopN = sd_stopN,
.pkt_scan = sd_pkt_scan,
};
/* -- module initialisation -- */
static const struct usb_device_id device_table[] = {
{USB_DEVICE(0x06e1, 0xa190)},
/*fixme: may be IntelPCCameraPro BRIDGE_SPCA505
{USB_DEVICE(0x0733, 0x0430)}, */
{USB_DEVICE(0x0734, 0x043b)},
{USB_DEVICE(0x99fa, 0x8988)},
{}
};
MODULE_DEVICE_TABLE(usb, device_table);
/* -- device connect -- */
static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id)
{
return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
THIS_MODULE);
}
static struct usb_driver sd_driver = {
.name = MODULE_NAME,
.id_table = device_table,
.probe = sd_probe,
.disconnect = gspca_disconnect,
#ifdef CONFIG_PM
.suspend = gspca_suspend,
.resume = gspca_resume,
.reset_resume = gspca_resume,
#endif
};
module_usb_driver(sd_driver);