/*
* SPCA505 chip based cameras initialization data
*
* V4L2 by Jean-Francis 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 pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#define MODULE_NAME "spca505"
#include "gspca.h"
MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
MODULE_DESCRIPTION("GSPCA/SPCA505 USB Camera Driver");
MODULE_LICENSE("GPL");
/* specific webcam descriptor */
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
u8 subtype;
#define IntelPCCameraPro 0
#define Nxultra 1
};
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 = 4},
{176, 144, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
.bytesperline = 176,
.sizeimage = 176 * 144 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 3},
{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 SPCA50X_REG_USB 0x02 /* spca505 501 */
#define SPCA50X_USB_CTRL 0x00 /* spca505 */
#define SPCA50X_CUSB_ENABLE 0x01 /* spca505 */
#define SPCA50X_REG_GLOBAL 0x03 /* spca505 */
#define SPCA50X_GMISC0_IDSEL 0x01 /* Global control device ID select spca505 */
#define SPCA50X_GLOBAL_MISC0 0x00 /* Global control miscellaneous 0 spca505 */
#define SPCA50X_GLOBAL_MISC1 0x01 /* 505 */
#define SPCA50X_GLOBAL_MISC3 0x03 /* 505 */
#define SPCA50X_GMISC3_SAA7113RST 0x20 /* Not sure about this one spca505 */
/* Image format and compression control */
#define SPCA50X_REG_COMPRESS 0x04
/*
* Data to initialize a SPCA505. Common to the CCD and external modes
*/
static const u8 spca505_init_data[][3] = {
/* bmRequest,value,index */
{SPCA50X_REG_GLOBAL, SPCA50X_GMISC3_SAA7113RST, SPCA50X_GLOBAL_MISC3},
/* Sensor reset */
{SPCA50X_REG_GLOBAL, 0x00, SPCA50X_GLOBAL_MISC3},
{SPCA50X_REG_GLOBAL, 0x00, SPCA50X_GLOBAL_MISC1},
/* Block USB reset */
{SPCA50X_REG_GLOBAL, SPCA50X_GMISC0_IDSEL, SPCA50X_GLOBAL_MISC0},
{0x05, 0x01, 0x10},
/* Maybe power down some stuff */
{0x05, 0x0f, 0x11},
/* Setup internal CCD ? */
{0x06, 0x10, 0x08},
{0x06, 0x00, 0x09},
{0x06, 0x00, 0x0a},
{0x06, 0x00, 0x0b},
{0x06, 0x10, 0x0c},
{0x06, 0x00, 0x0d},
{0x06, 0x00, 0x0e},
{0x06, 0x00, 0x0f},
{0x06, 0x10, 0x10},
{0x06, 0x02, 0x11},
{0x06, 0x00, 0x12},
{0x06, 0x04, 0x13},
{0x06, 0x02, 0x14},
{0x06, 0x8a, 0x51},
{0x06, 0x40, 0x52},
{0x06, 0xb6, 0x53},
{0x06, 0x3d, 0x54},
{}
};
/*
* Data to initialize the camera using the internal CCD
*/
static const u8 spca505_open_data_ccd[][3] = {
/* bmRequest,value,index */
/* Internal CCD data set */
{0x03, 0x04, 0x01},
/* This could be a reset */
{0x03, 0x00, 0x01},
/* Setup compression and image registers. 0x6 and 0x7 seem to be
related to H&V hold, and are resolution mode specific */
{0x04, 0x10, 0x01},
/* DIFF(0x50), was (0x10) */
{0x04, 0x00, 0x04},
{0x04, 0x00, 0x05},
{0x04, 0x20, 0x06},
{0x04, 0x20, 0x07},
{0x08, 0x0a, 0x00},
/* DIFF (0x4a), was (0xa) */
{0x05, 0x00, 0x10},
{0x05, 0x00, 0x11},
{0x05, 0x00, 0x00},
/* DIFF not written */
{0x05, 0x00, 0x01},
/* DIFF not written */
{0x05, 0x00, 0x02},
/* DIFF not written */
{0x05, 0x00, 0x03},
/* DIFF not written */
{0x05, 0x00, 0x04},
/* DIFF not written */
{0x05, 0x80, 0x05},
/* DIFF not written */
{0x05, 0xe0, 0x06},
/* DIFF not written */
{0x05, 0x20, 0x07},
/* DIFF not written */
{0x05, 0xa0, 0x08},
/* DIFF not written */
{0x05, 0x0, 0x12},
/* DIFF not written */
{0x05, 0x02, 0x0f},
/* DIFF not written */
{0x05, 0x10, 0x46},
/* DIFF not written */
{0x05, 0x8, 0x4a},
/* DIFF not written */
{0x03, 0x08, 0x03},
/* DIFF (0x3,0x28,0x3) */
{0x03, 0x08, 0x01},
{0x03, 0x0c, 0x03},
/* DIFF not written */
{0x03, 0x21, 0x00},
/* DIFF (0x39) */
/* Extra block copied from init to hopefully ensure CCD is in a sane state */
{0x06, 0x10, 0x08},
{0x06, 0x00, 0x09},
{0x06, 0x00, 0x0a},
{0x06, 0x00, 0x0b},
{0x06, 0x10, 0x0c},
{0x06, 0x00, 0x0d},
{0x06, 0x00, 0x0e},
{0x06, 0x00, 0x0f},
{0x06, 0x10, 0x10},
{0x06, 0x02, 0x11},
{0x06, 0x00, 0x12},
{0x06, 0x04, 0x13},
{0x06, 0x02, 0x14},
{0x06, 0x8a, 0x51},
{0x06, 0x40, 0x52},
{0x06, 0xb6, 0x53},
{0x06, 0x3d, 0x54},
/* End of extra block */
{0x06, 0x3f, 0x1},
/* Block skipped */
{0x06, 0x10, 0x02},
{0x06, 0x64, 0x07},
{0x06, 0x10, 0x08},
{0x06, 0x00, 0x09},
{0x06, 0x00, 0x0a},
{0x06, 0x00, 0x0b},
{0x06, 0x10, 0x0c},
{0x06, 0x00, 0x0d},
{0x06, 0x00, 0x0e},
{0x06, 0x00, 0x0f},
{0x06, 0x10, 0x10},
{0x06, 0x02, 0x11},
{0x06, 0x00, 0x12},
{0x06, 0x04, 0x13},
{0x06, 0x02, 0x14},
{0x06, 0x8a, 0x51},
{0x06, 0x40, 0x52},
{0x06, 0xb6, 0x53},
{0x06, 0x3d, 0x54},
{0x06, 0x60, 0x57},
{0x06, 0x20, 0x58},
{0x06, 0x15, 0x59},
{0x06, 0x05, 0x5a},
{0x05, 0x01, 0xc0},
{0x05, 0x10, 0xcb},
{0x05, 0x80, 0xc1},
/* */
{0x05, 0x0, 0xc2},
/* 4 was 0 */
{0x05, 0x00, 0xca},
{0x05, 0x80, 0xc1},
/* */
{0x05, 0x04, 0xc2},
{0x05, 0x00, 0xca},
{0x05, 0x0, 0xc1},
/* */
{0x05, 0x00, 0xc2},
{0x05, 0x00, 0xca},
{0x05, 0x40, 0xc1},
/* */
{0x05, 0x17, 0xc2},
{0x05, 0x00, 0xca},
{0x05, 0x80, 0xc1},
/* */
{0x05, 0x06, 0xc2},
{0x05, 0x00, 0xca},
{0x05, 0x80, 0xc1},
/* */
{0x05, 0x04, 0xc2},
{0x05, 0x00, 0xca},
{0x03, 0x4c, 0x3},
{0x03, 0x18, 0x1},
{0x06, 0x70, 0x51},
{0x06, 0xbe, 0x53},
{0x06, 0x71, 0x57},
{0x06, 0x20, 0x58},
{0x06, 0x05, 0x59},
{0x06, 0x15, 0x5a},
{0x04, 0x00, 0x08},
/* Compress = OFF (0x1 to turn on) */
{0x04, 0x12, 0x09},
{0x04, 0x21, 0x0a},
{0x04, 0x10, 0x0b},
{0x04, 0x21, 0x0c},
{0x04, 0x05, 0x00},
/* was 5 (Image Type ? ) */
{0x04, 0x00, 0x01},
{0x06, 0x3f, 0x01},
{0x04, 0x00, 0x04},
{0x04, 0x00, 0x05},
{0x04, 0x40, 0x06},
{0x04, 0x40, 0x07},
{0x06, 0x1c, 0x17},
{0x06, 0xe2, 0x19},
{0x06, 0x1c, 0x1b},
{0x06, 0xe2, 0x1d},
{0x06, 0xaa, 0x1f},
{0x06, 0x70, 0x20},
{0x05, 0x01, 0x10},
{0x05, 0x00, 0x11},
{0x05, 0x01, 0x00},
{0x05, 0x05, 0x01},
{0x05, 0x00, 0xc1},
/* */
{0x05, 0x00, 0xc2},
{0x05, 0x00, 0xca},
{0x06, 0x70, 0x51},
{0x06, 0xbe, 0x53},
{}
};
/*
* Made by Tomasz Zablocki (skalamandra@poczta.onet.pl)
* SPCA505b chip based cameras initialization data
*/
/* jfm */
#define initial_brightness 0x7f /* 0x0(white)-0xff(black) */
/* #define initial_brightness 0x0 //0x0(white)-0xff(black) */
/*
* Data to initialize a SPCA505. Common to the CCD and external modes
*/
static const u8 spca505b_init_data[][3] = {
/* start */
{0x02, 0x00, 0x00}, /* init */
{0x02, 0x00, 0x01},
{0x02, 0x00, 0x02},
{0x02, 0x00, 0x03},
{0x02, 0x00, 0x04},
{0x02, 0x00, 0x05},
{0x02, 0x00, 0x06},
{0x02, 0x00, 0x07},
{0x02, 0x00, 0x08},
{0x02, 0x00, 0x09},
{0x03, 0x00, 0x00},
{0x03, 0x00, 0x01},
{0x03, 0x00, 0x02},
{0x03, 0x00, 0x03},
{0x03, 0x00, 0x04},
{0x03, 0x00, 0x05},
{0x03, 0x00, 0x06},
{0x04, 0x00, 0x00},
{0x04, 0x00, 0x02},
{0x04, 0x00, 0x04},
{0x04, 0x00, 0x05},
{0x04, 0x00, 0x06},
{0x04, 0x00, 0x07},
{0x04, 0x00, 0x08},
{0x04, 0x00, 0x09},
{0x04, 0x00, 0x0a},
{0x04, 0x00, 0x0b},
{0x04, 0x00, 0x0c},
{0x07, 0x00, 0x00},
{0x07, 0x00, 0x03},
{0x08, 0x00, 0x00},
{0x08, 0x00, 0x01},
{0x08, 0x00, 0x02},
{0x06, 0x18, 0x08},
{0x06, 0xfc, 0x09},
{0x06, 0xfc, 0x0a},
{0x06, 0xfc, 0x0b},
{0x06, 0x18, 0x0c},
{0x06, 0xfc, 0x0d},
{0x06, 0xfc, 0x0e},
{0x06, 0xfc, 0x0f},
{0x06, 0x18, 0x10},
{0x06, 0xfe, 0x12},
{0x06, 0x00, 0x11},
{0x06, 0x00, 0x14},
{0x06, 0x00, 0x13},
{0x06, 0x28, 0x51},
{0x06, 0xff, 0x53},
{0x02, 0x00, 0x08},
{0x03, 0x00, 0x03},
{0x03, 0x10, 0x03},
{}
};
/*
* Data to initialize the camera using the internal CCD
*/
static const u8 spca505b_open_data_ccd[][3] = {
/* {0x02,0x00,0x00}, */
{0x03, 0x04, 0x01}, /* rst */
{0x03, 0x00, 0x01},
{0x03, 0x00, 0x00},
{0x03, 0x21, 0x00},
{0x03, 0x00, 0x04},
{0x03, 0x00, 0x03},
{0x03, 0x18, 0x03},
{0x03, 0x08, 0x01},
{0x03, 0x1c, 0x03},
{0x03, 0x5c, 0x03},
{0x03, 0x5c, 0x03},
{0x03, 0x18, 0x01},
/* same as 505 */
{0x04, 0x10, 0x01},
{0x04, 0x00, 0x04},
{0x04, 0x00, 0x05},
{0x04, 0x20, 0x06},
{0x04, 0x20, 0x07},
{0x08, 0x0a, 0x00},
{0x05, 0x00, 0x10},
{0x05, 0x00, 0x11},
{0x05, 0x00, 0x12},
{0x05, 0x6f, 0x00},
{0x05, initial_brightness >> 6, 0x00},
{0x05, (initial_brightness << 2) & 0xff, 0x01},
{0x05, 0x00, 0x02},
{0x05, 0x01, 0x03},
{0x05, 0x00, 0x04},
{0x05, 0x03, 0x05},
{0x05, 0xe0, 0x06},
{0x05, 0x20, 0x07},
{0x05, 0xa0, 0x08},
{0x05, 0x00, 0x12},
{0x05, 0x02, 0x0f},
{0x05, 0x80, 0x14}, /* max exposure off (0=on) */
{0x05, 0x01, 0xb0},
{0x05, 0x01, 0xbf},
{0x03, 0x02, 0x06},
{0x05, 0x10, 0x46},
{0x05, 0x08, 0x4a},
{0x06, 0x00, 0x01},
{0x06, 0x10, 0x02},
{0x06, 0x64, 0x07},
{0x06, 0x18, 0x08},
{0x06, 0xfc, 0x09},
{0x06, 0xfc, 0x0a},
{0x06, 0xfc, 0x0b},
{0x04, 0x00, 0x01},
{0x06, 0x18, 0x0c},
{0x06, 0xfc, 0x0d},
{0x06, 0xfc, 0x0e},
{0x06, 0xfc, 0x0f},
{0x06, 0x11, 0x10}, /* contrast */
{0x06, 0x00, 0x11},
{0x06, 0xfe, 0x12},
{0x06, 0x00, 0x13},
{0x06, 0x00, 0x14},
{0x06, 0x9d, 0x51},
{0x06, 0x40, 0x52},
{0x06, 0x7c, 0x53},
{0x06, 0x40, 0x54},
{0x06, 0x02, 0x57},
{0x06, 0x03, 0x58},
{0x06, 0x15, 0x59},
{0x06, 0x05, 0x5a},
{0x06, 0x03, 0x56},
{0x06, 0x02, 0x3f},
{0x06, 0x00, 0x40},
{0x06, 0x39, 0x41},
{0x06, 0x69, 0x42},
{0x06, 0x87, 0x43},
{0x06, 0x9e, 0x44},
{0x06, 0xb1, 0x45},
{0x06, 0xbf, 0x46},
{0x06, 0xcc, 0x47},
{0x06, 0xd5, 0x48},
{0x06, 0xdd, 0x49},
{0x06, 0xe3, 0x4a},
{0x06, 0xe8, 0x4b},
{0x06, 0xed, 0x4c},
{0x06, 0xf2, 0x4d},
{0x06, 0xf7, 0x4e},
{0x06, 0xfc, 0x4f},
{0x06, 0xff, 0x50},
{0x05, 0x01, 0xc0},
{0x05, 0x10, 0xcb},
{0x05, 0x40, 0xc1},
{0x05, 0x04, 0xc2},
{0x05, 0x00, 0xca},
{0x05, 0x40, 0xc1},
{0x05, 0x09, 0xc2},
{0x05, 0x00, 0xca},
{0x05, 0xc0, 0xc1},
{0x05, 0x09, 0xc2},
{0x05, 0x00, 0xca},
{0x05, 0x40, 0xc1},
{0x05, 0x59, 0xc2},
{0x05, 0x00, 0xca},
{0x04, 0x00, 0x01},
{0x05, 0x80, 0xc1},
{0x05, 0xec, 0xc2},
{0x05, 0x0, 0xca},
{0x06, 0x02, 0x57},
{0x06, 0x01, 0x58},
{0x06, 0x15, 0x59},
{0x06, 0x0a, 0x5a},
{0x06, 0x01, 0x57},
{0x06, 0x8a, 0x03},
{0x06, 0x0a, 0x6c},
{0x06, 0x30, 0x01},
{0x06, 0x20, 0x02},
{0x06, 0x00, 0x03},
{0x05, 0x8c, 0x25},
{0x06, 0x4d, 0x51}, /* maybe saturation (4d) */
{0x06, 0x84, 0x53}, /* making green (84) */
{0x06, 0x00, 0x57}, /* sharpness (1) */
{0x06, 0x18, 0x08},
{0x06, 0xfc, 0x09},
{0x06, 0xfc, 0x0a},
{0x06, 0xfc, 0x0b},
{0x06, 0x18, 0x0c}, /* maybe hue (18) */
{0x06, 0xfc, 0x0d},
{0x06, 0xfc, 0x0e},
{0x06, 0xfc, 0x0f},
{0x06, 0x18, 0x10}, /* maybe contrast (18) */
{0x05, 0x01, 0x02},
{0x04, 0x00, 0x08}, /* compression */
{0x04, 0x12, 0x09},
{0x04, 0x21, 0x0a},
{0x04, 0x10, 0x0b},
{0x04, 0x21, 0x0c},
{0x04, 0x1d, 0x00}, /* imagetype (1d) */
{0x04, 0x41, 0x01}, /* hardware snapcontrol */
{0x04, 0x00, 0x04},
{0x04, 0x00, 0x05},
{0x04, 0x10, 0x06},
{0x04, 0x10, 0x07},
{0x04, 0x40, 0x06},
{0x04, 0x40, 0x07},
{0x04, 0x00, 0x04},
{0x04, 0x00, 0x05},
{0x06, 0x1c, 0x17},
{0x06, 0xe2, 0x19},
{0x06, 0x1c, 0x1b},
{0x06, 0xe2, 0x1d},
{0x06, 0x5f, 0x1f},
{0x06, 0x32, 0x20},
{0x05, initial_brightness >> 6, 0x00},
{0x05, (initial_brightness << 2) & 0xff, 0x01},
{0x05, 0x06, 0xc1},
{0x05, 0x58, 0xc2},
{0x05, 0x00, 0xca},
{0x05, 0x00, 0x11},
{}
};
static int reg_write(struct gspca_dev *gspca_dev,
u16 req, u16 index, u16 value)
{
int ret;
struct usb_device *dev = gspca_dev->dev;
ret = usb_control_msg(dev,
usb_sndctrlpipe(dev, 0),
req,
USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value, index, NULL, 0, 500);
PDEBUG(D_USBO, "reg write: 0x%02x,0x%02x:0x%02x, %d",
req, index, value, ret);
if (ret < 0)
pr_err("reg write: error %d\n", ret);
return ret;
}
/* returns: negative is error, pos or zero is data */
static int reg_read(struct gspca_dev *gspca_dev,
u16 req, /* bRequest */
u16 index) /* wIndex */
{
int ret;
ret = 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, 2,
500); /* timeout */
if (ret < 0)
return ret;
return (gspca_dev->usb_buf[1] << 8) + gspca_dev->usb_buf[0];
}
static int write_vector(struct gspca_dev *gspca_dev,
const u8 data[][3])
{
int ret, i = 0;
while (data[i][0] != 0) {
ret = reg_write(gspca_dev, data[i][0], data[i][2],
data[i][1]);
if (ret < 0)
return ret;
i++;
}
return 0;
}
/* this function is called at probe time */
static int sd_config(struct gspca_dev *gspca_dev,
const struct usb_device_id *id)
{
struct sd *sd = (struct sd *) gspca_dev;
struct cam *cam;
cam = &gspca_dev->cam;
cam->cam_mode = vga_mode;
sd->subtype = id->driver_info;
if (sd->subtype != IntelPCCameraPro)
cam->nmodes = ARRAY_SIZE(vga_mode);
else /* no 640x480 for IntelPCCameraPro */
cam->nmodes = ARRAY_SIZE(vga_mode) - 1;
return 0;
}
/* this function is called at probe and resume time */
static int sd_init(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
if (write_vector(gspca_dev,
sd->subtype == Nxultra
? spca505b_init_data
: spca505_init_data))
return -EIO;
return 0;
}
static void setbrightness(struct gspca_dev *gspca_dev, s32 brightness)
{
reg_write(gspca_dev, 0x05, 0x00, (255 - brightness) >> 6);
reg_write(gspca_dev, 0x05, 0x01, (255 - brightness) << 2);
}
static int sd_start(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
int ret, mode;
static u8 mode_tb[][3] = {
/* r00 r06 r07 */
{0x00, 0x10, 0x10}, /* 640x480 */
{0x01, 0x1a, 0x1a}, /* 352x288 */
{0x02, 0x1c, 0x1d}, /* 320x240 */
{0x04, 0x34, 0x34}, /* 176x144 */
{0x05, 0x40, 0x40} /* 160x120 */
};
if (sd->subtype == Nxultra)
write_vector(gspca_dev, spca505b_open_data_ccd);
else
write_vector(gspca_dev, spca505_open_data_ccd);
ret = reg_read(gspca_dev, 0x06, 0x16);
if (ret < 0) {
PERR("register read failed err: %d", ret);
return ret;
}
if (ret != 0x0101) {
pr_err("After vector read returns 0x%04x should be 0x0101\n",
ret);
}
ret = reg_write(gspca_dev, 0x06, 0x16, 0x0a);
if (ret < 0)
return ret;
reg_write(gspca_dev, 0x05, 0xc2, 0x12);
/* necessary because without it we can see stream
* only once after loading module */
/* stopping usb registers Tomasz change */
reg_write(gspca_dev, 0x02, 0x00, 0x00);
mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
reg_write(gspca_dev, SPCA50X_REG_COMPRESS, 0x00, mode_tb[mode][0]);
reg_write(gspca_dev, SPCA50X_REG_COMPRESS, 0x06, mode_tb[mode][1]);
reg_write(gspca_dev, SPCA50X_REG_COMPRESS, 0x07, mode_tb[mode][2]);
return reg_write(gspca_dev, SPCA50X_REG_USB,
SPCA50X_USB_CTRL,
SPCA50X_CUSB_ENABLE);
}
static void sd_stopN(struct gspca_dev *gspca_dev)
{
/* Disable ISO packet machine */
reg_write(gspca_dev, 0x02, 0x00, 0x00);
}
/* called on streamoff with alt 0 and on disconnect */
static void sd_stop0(struct gspca_dev *gspca_dev)
{
if (!gspca_dev->present)
return;
/* This maybe reset or power control */
reg_write(gspca_dev, 0x03, 0x03, 0x20);
reg_write(gspca_dev, 0x03, 0x01, 0x00);
reg_write(gspca_dev, 0x03, 0x00, 0x01);
reg_write(gspca_dev, 0x05, 0x10, 0x01);
reg_write(gspca_dev, 0x05, 0x11, 0x0f);
}
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 */
break;
default:
data += 1;
len -= 1;
gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
break;
}
}
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;
}
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, 5);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_BRIGHTNESS, 0, 255, 1, 127);
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_controls = sd_init_controls,
.init = sd_init,
.start = sd_start,
.stopN = sd_stopN,
.stop0 = sd_stop0,
.pkt_scan = sd_pkt_scan,
};
/* -- module initialisation -- */
static const struct usb_device_id device_table[] = {
{USB_DEVICE(0x041e, 0x401d), .driver_info = Nxultra},
{USB_DEVICE(0x0733, 0x0430), .driver_info = IntelPCCameraPro},
/*fixme: may be UsbGrabberPV321 BRIDGE_SPCA506 SENSOR_SAA7113 */
{}
};
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);