// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Sunplus spca504 ( abc ) spca533 spca536 library
* Copyright ( C ) 2005 Michel Xhaard mxhaard @ magic . fr
*
* V4L2 by Jean - Francois Moine < http : //moinejf.free.fr>
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#define MODULE_NAME "sunplus"
#include "gspca.h"
#include "jpeg.h"
MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>" );
MODULE_DESCRIPTION("GSPCA/SPCA5xx USB Camera Driver" );
MODULE_LICENSE("GPL" );
#define QUALITY 85
/* specific webcam descriptor */
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
bool autogain;
u8 bridge;
#define BRIDGE_SPCA504 0
#define BRIDGE_SPCA504B 1
#define BRIDGE_SPCA504C 2
#define BRIDGE_SPCA533 3
#define BRIDGE_SPCA536 4
u8 subtype;
#define AiptekMiniPenCam13 1
#define LogitechClickSmart420 2
#define LogitechClickSmart820 3
#define MegapixV4 4
#define MegaImageVI 5
u8 jpeg_hdr[JPEG_HDR_SZ];
};
static const struct v4l2_pix_format vga_mode[] = {
{320 , 240 , V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 320 ,
.sizeimage = 320 * 240 * 3 / 8 + 590 ,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 2 },
{640 , 480 , V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 640 ,
.sizeimage = 640 * 480 * 3 / 8 + 590 ,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 1 },
};
static const struct v4l2_pix_format custom_mode[] = {
{320 , 240 , V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 320 ,
.sizeimage = 320 * 240 * 3 / 8 + 590 ,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 2 },
{464 , 480 , V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 464 ,
.sizeimage = 464 * 480 * 3 / 8 + 590 ,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 1 },
};
static const struct v4l2_pix_format vga_mode2[] = {
{176 , 144 , V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 176 ,
.sizeimage = 176 * 144 * 3 / 8 + 590 ,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 4 },
{320 , 240 , V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 320 ,
.sizeimage = 320 * 240 * 3 / 8 + 590 ,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 3 },
{352 , 288 , V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 352 ,
.sizeimage = 352 * 288 * 3 / 8 + 590 ,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 2 },
{640 , 480 , V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 640 ,
.sizeimage = 640 * 480 * 3 / 8 + 590 ,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 1 },
};
#define SPCA50X_OFFSET_DATA 10
#define SPCA504_PCCAM600_OFFSET_SNAPSHOT 3
#define SPCA504_PCCAM600_OFFSET_COMPRESS 4
#define SPCA504_PCCAM600_OFFSET_MODE 5
#define SPCA504_PCCAM600_OFFSET_DATA 14
/* Frame packet header offsets for the spca533 */
#define SPCA533_OFFSET_DATA 16
#define SPCA533_OFFSET_FRAMSEQ 15
/* Frame packet header offsets for the spca536 */
#define SPCA536_OFFSET_DATA 4
#define SPCA536_OFFSET_FRAMSEQ 1
struct cmd {
u8 req;
u16 val;
u16 idx;
};
/* Initialisation data for the Creative PC-CAM 600 */
static const struct cmd spca504_pccam600_init_data[] = {
/* {0xa0, 0x0000, 0x0503}, * capture mode */
{0 x00, 0 x0000, 0 x2000},
{0 x00, 0 x0013, 0 x2301},
{0 x00, 0 x0003, 0 x2000},
{0 x00, 0 x0001, 0 x21ac},
{0 x00, 0 x0001, 0 x21a6},
{0 x00, 0 x0000, 0 x21a7}, /* brightness */
{0 x00, 0 x0020, 0 x21a8}, /* contrast */
{0 x00, 0 x0001, 0 x21ac}, /* sat/hue */
{0 x00, 0 x0000, 0 x21ad}, /* hue */
{0 x00, 0 x001a, 0 x21ae}, /* saturation */
{0 x00, 0 x0002, 0 x21a3}, /* gamma */
{0 x30, 0 x0154, 0 x0008},
{0 x30, 0 x0004, 0 x0006},
{0 x30, 0 x0258, 0 x0009},
{0 x30, 0 x0004, 0 x0000},
{0 x30, 0 x0093, 0 x0004},
{0 x30, 0 x0066, 0 x0005},
{0 x00, 0 x0000, 0 x2000},
{0 x00, 0 x0013, 0 x2301},
{0 x00, 0 x0003, 0 x2000},
{0 x00, 0 x0013, 0 x2301},
{0 x00, 0 x0003, 0 x2000},
};
/* Creative PC-CAM 600 specific open data, sent before using the
* generic initialisation data from spca504_open_data .
*/
static const struct cmd spca504_pccam600_open_data[] = {
{0 x00, 0 x0001, 0 x2501},
{0 x20, 0 x0500, 0 x0001}, /* snapshot mode */
{0 x00, 0 x0003, 0 x2880},
{0 x00, 0 x0001, 0 x2881},
};
/* Initialisation data for the logitech clicksmart 420 */
static const struct cmd spca504A_clicksmart420_init_data[] = {
/* {0xa0, 0x0000, 0x0503}, * capture mode */
{0 x00, 0 x0000, 0 x2000},
{0 x00, 0 x0013, 0 x2301},
{0 x00, 0 x0003, 0 x2000},
{0 x00, 0 x0001, 0 x21ac},
{0 x00, 0 x0001, 0 x21a6},
{0 x00, 0 x0000, 0 x21a7}, /* brightness */
{0 x00, 0 x0020, 0 x21a8}, /* contrast */
{0 x00, 0 x0001, 0 x21ac}, /* sat/hue */
{0 x00, 0 x0000, 0 x21ad}, /* hue */
{0 x00, 0 x001a, 0 x21ae}, /* saturation */
{0 x00, 0 x0002, 0 x21a3}, /* gamma */
{0 x30, 0 x0004, 0 x000a},
{0 xb0, 0 x0001, 0 x0000},
{0 xa1, 0 x0080, 0 x0001},
{0 x30, 0 x0049, 0 x0000},
{0 x30, 0 x0060, 0 x0005},
{0 x0c, 0 x0004, 0 x0000},
{0 x00, 0 x0000, 0 x0000},
{0 x00, 0 x0000, 0 x2000},
{0 x00, 0 x0013, 0 x2301},
{0 x00, 0 x0003, 0 x2000},
};
/* clicksmart 420 open data ? */
static const struct cmd spca504A_clicksmart420_open_data[] = {
{0 x00, 0 x0001, 0 x2501},
{0 x20, 0 x0502, 0 x0000},
{0 x06, 0 x0000, 0 x0000},
{0 x00, 0 x0004, 0 x2880},
{0 x00, 0 x0001, 0 x2881},
{0 xa0, 0 x0000, 0 x0503},
};
static const u8 qtable_creative_pccam[2 ][64 ] = {
{ /* Q-table Y-components */
0 x05, 0 x03, 0 x03, 0 x05, 0 x07, 0 x0c, 0 x0f, 0 x12,
0 x04, 0 x04, 0 x04, 0 x06, 0 x08, 0 x11, 0 x12, 0 x11,
0 x04, 0 x04, 0 x05, 0 x07, 0 x0c, 0 x11, 0 x15, 0 x11,
0 x04, 0 x05, 0 x07, 0 x09, 0 x0f, 0 x1a, 0 x18, 0 x13,
0 x05, 0 x07, 0 x0b, 0 x11, 0 x14, 0 x21, 0 x1f, 0 x17,
0 x07, 0 x0b, 0 x11, 0 x13, 0 x18, 0 x1f, 0 x22, 0 x1c,
0 x0f, 0 x13, 0 x17, 0 x1a, 0 x1f, 0 x24, 0 x24, 0 x1e,
0 x16, 0 x1c, 0 x1d, 0 x1d, 0 x22, 0 x1e, 0 x1f, 0 x1e},
{ /* Q-table C-components */
0 x05, 0 x05, 0 x07, 0 x0e, 0 x1e, 0 x1e, 0 x1e, 0 x1e,
0 x05, 0 x06, 0 x08, 0 x14, 0 x1e, 0 x1e, 0 x1e, 0 x1e,
0 x07, 0 x08, 0 x11, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e,
0 x0e, 0 x14, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e,
0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e,
0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e,
0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e,
0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e}
};
/* FIXME: This Q-table is identical to the Creative PC-CAM one,
* except for one byte . Possibly a typo ?
* NWG : 18 / 05 / 2003 .
*/
static const u8 qtable_spca504_default[2 ][64 ] = {
{ /* Q-table Y-components */
0 x05, 0 x03, 0 x03, 0 x05, 0 x07, 0 x0c, 0 x0f, 0 x12,
0 x04, 0 x04, 0 x04, 0 x06, 0 x08, 0 x11, 0 x12, 0 x11,
0 x04, 0 x04, 0 x05, 0 x07, 0 x0c, 0 x11, 0 x15, 0 x11,
0 x04, 0 x05, 0 x07, 0 x09, 0 x0f, 0 x1a, 0 x18, 0 x13,
0 x05, 0 x07, 0 x0b, 0 x11, 0 x14, 0 x21, 0 x1f, 0 x17,
0 x07, 0 x0b, 0 x11, 0 x13, 0 x18, 0 x1f, 0 x22, 0 x1c,
0 x0f, 0 x13, 0 x17, 0 x1a, 0 x1f, 0 x24, 0 x24, 0 x1e,
0 x16, 0 x1c, 0 x1d, 0 x1d, 0 x1d /* 0x22 */ , 0x1e, 0x1f, 0x1e,
},
{ /* Q-table C-components */
0 x05, 0 x05, 0 x07, 0 x0e, 0 x1e, 0 x1e, 0 x1e, 0 x1e,
0 x05, 0 x06, 0 x08, 0 x14, 0 x1e, 0 x1e, 0 x1e, 0 x1e,
0 x07, 0 x08, 0 x11, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e,
0 x0e, 0 x14, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e,
0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e,
0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e,
0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e,
0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e, 0 x1e}
};
/* read <len> bytes to gspca_dev->usb_buf */
static void reg_r(struct gspca_dev *gspca_dev,
u8 req,
u16 index,
u16 len)
{
int ret;
if (len > USB_BUF_SZ) {
gspca_err(gspca_dev, "reg_r: buffer overflow\n" );
return ;
}
if (len == 0 ) {
gspca_err(gspca_dev, "reg_r: zero-length read\n" );
return ;
}
if (gspca_dev->usb_err < 0 )
return ;
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, len,
500 );
if (ret < 0 ) {
pr_err("reg_r err %d\n" , ret);
gspca_dev->usb_err = ret;
/*
* Make sure the buffer is zeroed to avoid uninitialized
* values .
*/
memset(gspca_dev->usb_buf, 0 , USB_BUF_SZ);
}
}
/* write one byte */
static void reg_w_1(struct gspca_dev *gspca_dev,
u8 req,
u16 value,
u16 index,
u16 byte)
{
int ret;
if (gspca_dev->usb_err < 0 )
return ;
gspca_dev->usb_buf[0 ] = byte;
ret = usb_control_msg(gspca_dev->dev,
usb_sndctrlpipe(gspca_dev->dev, 0 ),
req,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value, index,
gspca_dev->usb_buf, 1 ,
500 );
if (ret < 0 ) {
pr_err("reg_w_1 err %d\n" , ret);
gspca_dev->usb_err = ret;
}
}
/* write req / index / value */
static void reg_w_riv(struct gspca_dev *gspca_dev,
u8 req, u16 index, u16 value)
{
struct usb_device *dev = gspca_dev->dev;
int ret;
if (gspca_dev->usb_err < 0 )
return ;
ret = usb_control_msg(dev,
usb_sndctrlpipe(dev, 0 ),
req,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value, index, NULL, 0 , 500 );
if (ret < 0 ) {
pr_err("reg_w_riv err %d\n" , ret);
gspca_dev->usb_err = ret;
return ;
}
gspca_dbg(gspca_dev, D_USBO, "reg_w_riv: 0x%02x,0x%04x:0x%04x\n" ,
req, index, value);
}
static void write_vector(struct gspca_dev *gspca_dev,
const struct cmd *data, int ncmds)
{
while (--ncmds >= 0 ) {
reg_w_riv(gspca_dev, data->req, data->idx, data->val);
data++;
}
}
static void setup_qtable(struct gspca_dev *gspca_dev,
const u8 qtable[2 ][64 ])
{
int i;
/* loop over y components */
for (i = 0 ; i < 64 ; i++)
reg_w_riv(gspca_dev, 0 x00, 0 x2800 + i, qtable[0 ][i]);
/* loop over c components */
for (i = 0 ; i < 64 ; i++)
reg_w_riv(gspca_dev, 0 x00, 0 x2840 + i, qtable[1 ][i]);
}
static void spca504_acknowledged_command(struct gspca_dev *gspca_dev,
u8 req, u16 idx, u16 val)
{
reg_w_riv(gspca_dev, req, idx, val);
reg_r(gspca_dev, 0 x01, 0 x0001, 1 );
gspca_dbg(gspca_dev, D_FRAM, "before wait 0x%04x\n" ,
gspca_dev->usb_buf[0 ]);
reg_w_riv(gspca_dev, req, idx, val);
msleep(200 );
reg_r(gspca_dev, 0 x01, 0 x0001, 1 );
gspca_dbg(gspca_dev, D_FRAM, "after wait 0x%04x\n" ,
gspca_dev->usb_buf[0 ]);
}
static void spca504_read_info(struct gspca_dev *gspca_dev)
{
int i;
u8 info[6 ];
if (gspca_debug < D_STREAM)
return ;
for (i = 0 ; i < 6 ; i++) {
reg_r(gspca_dev, 0 , i, 1 );
info[i] = gspca_dev->usb_buf[0 ];
}
gspca_dbg(gspca_dev, D_STREAM,
"Read info: %d %d %d %d %d %d. Should be 1,0,2,2,0,0\n" ,
info[0 ], info[1 ], info[2 ],
info[3 ], info[4 ], info[5 ]);
}
static void spca504A_acknowledged_command(struct gspca_dev *gspca_dev,
u8 req,
u16 idx, u16 val, u8 endcode, u8 count)
{
u16 status;
reg_w_riv(gspca_dev, req, idx, val);
reg_r(gspca_dev, 0 x01, 0 x0001, 1 );
if (gspca_dev->usb_err < 0 )
return ;
gspca_dbg(gspca_dev, D_FRAM, "Status 0x%02x Need 0x%02x\n" ,
gspca_dev->usb_buf[0 ], endcode);
if (!count)
return ;
count = 200 ;
while (--count > 0 ) {
msleep(10 );
/* gsmart mini2 write a each wait setting 1 ms is enough */
/* reg_w_riv(gspca_dev, req, idx, val); */
reg_r(gspca_dev, 0 x01, 0 x0001, 1 );
status = gspca_dev->usb_buf[0 ];
if (status == endcode) {
gspca_dbg(gspca_dev, D_FRAM, "status 0x%04x after wait %d\n" ,
status, 200 - count);
break ;
}
}
}
static void spca504B_PollingDataReady(struct gspca_dev *gspca_dev)
{
int count = 10 ;
while (--count > 0 ) {
reg_r(gspca_dev, 0 x21, 0 , 1 );
if ((gspca_dev->usb_buf[0 ] & 0 x01) == 0 )
break ;
msleep(10 );
}
}
static void spca504B_WaitCmdStatus(struct gspca_dev *gspca_dev)
{
int count = 50 ;
while (--count > 0 ) {
reg_r(gspca_dev, 0 x21, 1 , 1 );
if (gspca_dev->usb_buf[0 ] != 0 ) {
reg_w_1(gspca_dev, 0 x21, 0 , 1 , 0 );
reg_r(gspca_dev, 0 x21, 1 , 1 );
spca504B_PollingDataReady(gspca_dev);
break ;
}
msleep(10 );
}
}
static void spca50x_GetFirmware(struct gspca_dev *gspca_dev)
{
u8 *data;
if (gspca_debug < D_STREAM)
return ;
data = gspca_dev->usb_buf;
reg_r(gspca_dev, 0 x20, 0 , 5 );
gspca_dbg(gspca_dev, D_STREAM, "FirmWare: %d %d %d %d %d\n" ,
data[0 ], data[1 ], data[2 ], data[3 ], data[4 ]);
reg_r(gspca_dev, 0 x23, 0 , 64 );
reg_r(gspca_dev, 0 x23, 1 , 64 );
}
static void spca504B_SetSizeType(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
u8 Size;
Size = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
switch (sd->bridge) {
case BRIDGE_SPCA533:
reg_w_riv(gspca_dev, 0 x31, 0 , 0 );
spca504B_WaitCmdStatus(gspca_dev);
spca504B_PollingDataReady(gspca_dev);
spca50x_GetFirmware(gspca_dev);
reg_w_1(gspca_dev, 0 x24, 0 , 8 , 2 ); /* type */
reg_r(gspca_dev, 0 x24, 8 , 1 );
reg_w_1(gspca_dev, 0 x25, 0 , 4 , Size);
reg_r(gspca_dev, 0 x25, 4 , 1 ); /* size */
spca504B_PollingDataReady(gspca_dev);
/* Init the cam width height with some values get on init ? */
reg_w_riv(gspca_dev, 0 x31, 0 x0004, 0 x00);
spca504B_WaitCmdStatus(gspca_dev);
spca504B_PollingDataReady(gspca_dev);
break ;
default :
/* case BRIDGE_SPCA504B: */
/* case BRIDGE_SPCA536: */
reg_w_1(gspca_dev, 0 x25, 0 , 4 , Size);
reg_r(gspca_dev, 0 x25, 4 , 1 ); /* size */
reg_w_1(gspca_dev, 0 x27, 0 , 0 , 6 );
reg_r(gspca_dev, 0 x27, 0 , 1 ); /* type */
spca504B_PollingDataReady(gspca_dev);
break ;
case BRIDGE_SPCA504:
Size += 3 ;
if (sd->subtype == AiptekMiniPenCam13) {
/* spca504a aiptek */
spca504A_acknowledged_command(gspca_dev,
0 x08, Size, 0 ,
0 x80 | (Size & 0 x0f), 1 );
spca504A_acknowledged_command(gspca_dev,
1 , 3 , 0 , 0 x9f, 0 );
} else {
spca504_acknowledged_command(gspca_dev, 0 x08, Size, 0 );
}
break ;
case BRIDGE_SPCA504C:
/* capture mode */
reg_w_riv(gspca_dev, 0 xa0, (0 x0500 | (Size & 0 x0f)), 0 x00);
reg_w_riv(gspca_dev, 0 x20, 0 x01, 0 x0500 | (Size & 0 x0f));
break ;
}
}
static void spca504_wait_status(struct gspca_dev *gspca_dev)
{
int cnt;
cnt = 256 ;
while (--cnt > 0 ) {
/* With this we get the status, when return 0 it's all ok */
reg_r(gspca_dev, 0 x06, 0 x00, 1 );
if (gspca_dev->usb_buf[0 ] == 0 )
return ;
msleep(10 );
}
}
static void spca504B_setQtable(struct gspca_dev *gspca_dev)
{
reg_w_1(gspca_dev, 0 x26, 0 , 0 , 3 );
reg_r(gspca_dev, 0 x26, 0 , 1 );
spca504B_PollingDataReady(gspca_dev);
}
static void setbrightness(struct gspca_dev *gspca_dev, s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
u16 reg;
reg = sd->bridge == BRIDGE_SPCA536 ? 0 x20f0 : 0 x21a7;
reg_w_riv(gspca_dev, 0 x00, reg, val);
}
static void setcontrast(struct gspca_dev *gspca_dev, s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
u16 reg;
reg = sd->bridge == BRIDGE_SPCA536 ? 0 x20f1 : 0 x21a8;
reg_w_riv(gspca_dev, 0 x00, reg, val);
}
static void setcolors(struct gspca_dev *gspca_dev, s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
u16 reg;
reg = sd->bridge == BRIDGE_SPCA536 ? 0 x20f6 : 0 x21ae;
reg_w_riv(gspca_dev, 0 x00, reg, val);
}
static void init_ctl_reg(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
int pollreg = 1 ;
switch (sd->bridge) {
case BRIDGE_SPCA504:
case BRIDGE_SPCA504C:
pollreg = 0 ;
fallthrough;
default :
/* case BRIDGE_SPCA533: */
/* case BRIDGE_SPCA504B: */
reg_w_riv(gspca_dev, 0 , 0 x21ad, 0 x00); /* hue */
reg_w_riv(gspca_dev, 0 , 0 x21ac, 0 x01); /* sat/hue */
reg_w_riv(gspca_dev, 0 , 0 x21a3, 0 x00); /* gamma */
break ;
case BRIDGE_SPCA536:
reg_w_riv(gspca_dev, 0 , 0 x20f5, 0 x40);
reg_w_riv(gspca_dev, 0 , 0 x20f4, 0 x01);
reg_w_riv(gspca_dev, 0 , 0 x2089, 0 x00);
break ;
}
if (pollreg)
spca504B_PollingDataReady(gspca_dev);
}
/* 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;
sd->bridge = id->driver_info >> 8 ;
sd->subtype = id->driver_info;
if (sd->subtype == AiptekMiniPenCam13) {
/* try to get the firmware as some cam answer 2.0.1.2.2
* and should be a spca504b then overwrite that setting */
reg_r(gspca_dev, 0 x20, 0 , 1 );
switch (gspca_dev->usb_buf[0 ]) {
case 1 :
break ; /* (right bridge/subtype) */
case 2 :
sd->bridge = BRIDGE_SPCA504B;
sd->subtype = 0 ;
break ;
default :
return -ENODEV;
}
}
switch (sd->bridge) {
default :
/* case BRIDGE_SPCA504B: */
/* case BRIDGE_SPCA504: */
/* case BRIDGE_SPCA536: */
cam->cam_mode = vga_mode;
cam->nmodes = ARRAY_SIZE(vga_mode);
break ;
case BRIDGE_SPCA533:
cam->cam_mode = custom_mode;
if (sd->subtype == MegaImageVI) /* 320x240 only */
cam->nmodes = ARRAY_SIZE(custom_mode) - 1 ;
else
cam->nmodes = ARRAY_SIZE(custom_mode);
break ;
case BRIDGE_SPCA504C:
cam->cam_mode = vga_mode2;
cam->nmodes = ARRAY_SIZE(vga_mode2);
break ;
}
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;
switch (sd->bridge) {
case BRIDGE_SPCA504B:
reg_w_riv(gspca_dev, 0 x1d, 0 x00, 0 );
reg_w_riv(gspca_dev, 0 x00, 0 x2306, 0 x01);
reg_w_riv(gspca_dev, 0 x00, 0 x0d04, 0 x00);
reg_w_riv(gspca_dev, 0 x00, 0 x2000, 0 x00);
reg_w_riv(gspca_dev, 0 x00, 0 x2301, 0 x13);
reg_w_riv(gspca_dev, 0 x00, 0 x2306, 0 x00);
fallthrough;
case BRIDGE_SPCA533:
spca504B_PollingDataReady(gspca_dev);
spca50x_GetFirmware(gspca_dev);
break ;
case BRIDGE_SPCA536:
spca50x_GetFirmware(gspca_dev);
reg_r(gspca_dev, 0 x00, 0 x5002, 1 );
reg_w_1(gspca_dev, 0 x24, 0 , 0 , 0 );
reg_r(gspca_dev, 0 x24, 0 , 1 );
spca504B_PollingDataReady(gspca_dev);
reg_w_riv(gspca_dev, 0 x34, 0 , 0 );
spca504B_WaitCmdStatus(gspca_dev);
break ;
case BRIDGE_SPCA504C: /* pccam600 */
gspca_dbg(gspca_dev, D_STREAM, "Opening SPCA504 (PC-CAM 600)\n" );
reg_w_riv(gspca_dev, 0 xe0, 0 x0000, 0 x0000);
reg_w_riv(gspca_dev, 0 xe0, 0 x0000, 0 x0001); /* reset */
spca504_wait_status(gspca_dev);
if (sd->subtype == LogitechClickSmart420)
write_vector(gspca_dev,
spca504A_clicksmart420_open_data,
ARRAY_SIZE(spca504A_clicksmart420_open_data));
else
write_vector(gspca_dev, spca504_pccam600_open_data,
ARRAY_SIZE(spca504_pccam600_open_data));
setup_qtable(gspca_dev, qtable_creative_pccam);
break ;
default :
/* case BRIDGE_SPCA504: */
gspca_dbg(gspca_dev, D_STREAM, "Opening SPCA504\n" );
if (sd->subtype == AiptekMiniPenCam13) {
spca504_read_info(gspca_dev);
/* Set AE AWB Banding Type 3-> 50Hz 2-> 60Hz */
spca504A_acknowledged_command(gspca_dev, 0 x24,
8 , 3 , 0 x9e, 1 );
/* Twice sequential need status 0xff->0x9e->0x9d */
spca504A_acknowledged_command(gspca_dev, 0 x24,
8 , 3 , 0 x9e, 0 );
spca504A_acknowledged_command(gspca_dev, 0 x24,
0 , 0 , 0 x9d, 1 );
/******************************/
/* spca504a aiptek */
spca504A_acknowledged_command(gspca_dev, 0 x08,
6 , 0 , 0 x86, 1 );
/* reg_write (dev, 0, 0x2000, 0); */
/* reg_write (dev, 0, 0x2883, 1); */
/* spca504A_acknowledged_command (gspca_dev, 0x08,
6, 0, 0x86, 1); */
/* spca504A_acknowledged_command (gspca_dev, 0x24,
0, 0, 0x9D, 1); */
reg_w_riv(gspca_dev, 0 x00, 0 x270c, 0 x05);
/* L92 sno1t.txt */
reg_w_riv(gspca_dev, 0 x00, 0 x2310, 0 x05);
spca504A_acknowledged_command(gspca_dev, 0 x01,
0 x0f, 0 , 0 xff, 0 );
}
/* setup qtable */
reg_w_riv(gspca_dev, 0 , 0 x2000, 0 );
reg_w_riv(gspca_dev, 0 , 0 x2883, 1 );
setup_qtable(gspca_dev, qtable_spca504_default);
break ;
}
return gspca_dev->usb_err;
}
static int sd_start(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
int enable;
/* create the JPEG header */
jpeg_define(sd->jpeg_hdr, gspca_dev->pixfmt.height,
gspca_dev->pixfmt.width,
0 x22); /* JPEG 411 */
jpeg_set_qual(sd->jpeg_hdr, QUALITY);
if (sd->bridge == BRIDGE_SPCA504B)
spca504B_setQtable(gspca_dev);
spca504B_SetSizeType(gspca_dev);
switch (sd->bridge) {
default :
/* case BRIDGE_SPCA504B: */
/* case BRIDGE_SPCA533: */
/* case BRIDGE_SPCA536: */
switch (sd->subtype) {
case MegapixV4:
case LogitechClickSmart820:
case MegaImageVI:
reg_w_riv(gspca_dev, 0 xf0, 0 , 0 );
spca504B_WaitCmdStatus(gspca_dev);
reg_w_riv(gspca_dev, 0 xf0, 4 , 0 );
spca504B_WaitCmdStatus(gspca_dev);
break ;
default :
reg_w_riv(gspca_dev, 0 x31, 0 x0004, 0 x00);
spca504B_WaitCmdStatus(gspca_dev);
spca504B_PollingDataReady(gspca_dev);
break ;
}
break ;
case BRIDGE_SPCA504:
if (sd->subtype == AiptekMiniPenCam13) {
spca504_read_info(gspca_dev);
/* Set AE AWB Banding Type 3-> 50Hz 2-> 60Hz */
spca504A_acknowledged_command(gspca_dev, 0 x24,
8 , 3 , 0 x9e, 1 );
/* Twice sequential need status 0xff->0x9e->0x9d */
spca504A_acknowledged_command(gspca_dev, 0 x24,
8 , 3 , 0 x9e, 0 );
spca504A_acknowledged_command(gspca_dev, 0 x24,
0 , 0 , 0 x9d, 1 );
} else {
spca504_acknowledged_command(gspca_dev, 0 x24, 8 , 3 );
spca504_read_info(gspca_dev);
spca504_acknowledged_command(gspca_dev, 0 x24, 8 , 3 );
spca504_acknowledged_command(gspca_dev, 0 x24, 0 , 0 );
}
spca504B_SetSizeType(gspca_dev);
reg_w_riv(gspca_dev, 0 x00, 0 x270c, 0 x05);
/* L92 sno1t.txt */
reg_w_riv(gspca_dev, 0 x00, 0 x2310, 0 x05);
break ;
case BRIDGE_SPCA504C:
if (sd->subtype == LogitechClickSmart420) {
write_vector(gspca_dev,
spca504A_clicksmart420_init_data,
ARRAY_SIZE(spca504A_clicksmart420_init_data));
} else {
write_vector(gspca_dev, spca504_pccam600_init_data,
ARRAY_SIZE(spca504_pccam600_init_data));
}
enable = (sd->autogain ? 0 x04 : 0 x01);
reg_w_riv(gspca_dev, 0 x0c, 0 x0000, enable);
/* auto exposure */
reg_w_riv(gspca_dev, 0 xb0, 0 x0000, enable);
/* auto whiteness */
/* set default exposure compensation and whiteness balance */
reg_w_riv(gspca_dev, 0 x30, 0 x0001, 800 ); /* ~ 20 fps */
reg_w_riv(gspca_dev, 0 x30, 0 x0002, 1600 );
spca504B_SetSizeType(gspca_dev);
break ;
}
init_ctl_reg(gspca_dev);
return gspca_dev->usb_err;
}
static void sd_stopN(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
switch (sd->bridge) {
default :
/* case BRIDGE_SPCA533: */
/* case BRIDGE_SPCA536: */
/* case BRIDGE_SPCA504B: */
reg_w_riv(gspca_dev, 0 x31, 0 , 0 );
spca504B_WaitCmdStatus(gspca_dev);
spca504B_PollingDataReady(gspca_dev);
break ;
case BRIDGE_SPCA504:
case BRIDGE_SPCA504C:
reg_w_riv(gspca_dev, 0 x00, 0 x2000, 0 x0000);
if (sd->subtype == AiptekMiniPenCam13) {
/* spca504a aiptek */
/* spca504A_acknowledged_command(gspca_dev, 0x08,
6, 0, 0x86, 1); */
spca504A_acknowledged_command(gspca_dev, 0 x24,
0 x00, 0 x00, 0 x9d, 1 );
spca504A_acknowledged_command(gspca_dev, 0 x01,
0 x0f, 0 x00, 0 xff, 1 );
} else {
spca504_acknowledged_command(gspca_dev, 0 x24, 0 , 0 );
reg_w_riv(gspca_dev, 0 x01, 0 x000f, 0 x0000);
}
break ;
}
}
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
u8 *data, /* isoc packet */
int len) /* iso packet length */
{
struct sd *sd = (struct sd *) gspca_dev;
int i, sof = 0 ;
static u8 ffd9[] = {0 xff, 0 xd9};
/* frames are jpeg 4.1.1 without 0xff escape */
switch (sd->bridge) {
case BRIDGE_SPCA533:
if (data[0 ] == 0 xff) {
if (data[1 ] != 0 x01) { /* drop packet */
/* gspca_dev->last_packet_type = DISCARD_PACKET; */
return ;
}
sof = 1 ;
data += SPCA533_OFFSET_DATA;
len -= SPCA533_OFFSET_DATA;
} else {
data += 1 ;
len -= 1 ;
}
break ;
case BRIDGE_SPCA536:
if (data[0 ] == 0 xff) {
sof = 1 ;
data += SPCA536_OFFSET_DATA;
len -= SPCA536_OFFSET_DATA;
} else {
data += 2 ;
len -= 2 ;
}
break ;
default :
/* case BRIDGE_SPCA504: */
/* case BRIDGE_SPCA504B: */
switch (data[0 ]) {
case 0 xfe: /* start of frame */
sof = 1 ;
data += SPCA50X_OFFSET_DATA;
len -= SPCA50X_OFFSET_DATA;
break ;
case 0 xff: /* drop packet */
/* gspca_dev->last_packet_type = DISCARD_PACKET; */
return ;
default :
data += 1 ;
len -= 1 ;
break ;
}
break ;
case BRIDGE_SPCA504C:
switch (data[0 ]) {
case 0 xfe: /* start of frame */
sof = 1 ;
data += SPCA504_PCCAM600_OFFSET_DATA;
len -= SPCA504_PCCAM600_OFFSET_DATA;
break ;
case 0 xff: /* drop packet */
/* gspca_dev->last_packet_type = DISCARD_PACKET; */
return ;
default :
data += 1 ;
len -= 1 ;
break ;
}
break ;
}
if (sof) { /* start of frame */
gspca_frame_add(gspca_dev, LAST_PACKET,
ffd9, 2 );
/* put the JPEG header in the new frame */
gspca_frame_add(gspca_dev, FIRST_PACKET,
sd->jpeg_hdr, JPEG_HDR_SZ);
}
/* add 0x00 after 0xff */
i = 0 ;
do {
if (data[i] == 0 xff) {
gspca_frame_add(gspca_dev, INTER_PACKET,
data, i + 1 );
len -= i;
data += i;
*data = 0 x00;
i = 0 ;
}
i++;
} while (i < len);
gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
}
static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct gspca_dev *gspca_dev =
container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
struct sd *sd = (struct sd *)gspca_dev;
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_AUTOGAIN:
sd->autogain = 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, -128 , 127 , 1 , 0 );
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_CONTRAST, 0 , 255 , 1 , 0 x20);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_SATURATION, 0 , 255 , 1 , 0 x1a);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_AUTOGAIN, 0 , 1 , 1 , 1 );
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 -- */
#define BS(bridge, subtype) \
.driver_info = (BRIDGE_ ## bridge << 8 ) \
| (subtype)
static const struct usb_device_id device_table[] = {
{USB_DEVICE(0 x041e, 0 x400b), BS(SPCA504C, 0 )},
{USB_DEVICE(0 x041e, 0 x4012), BS(SPCA504C, 0 )},
{USB_DEVICE(0 x041e, 0 x4013), BS(SPCA504C, 0 )},
{USB_DEVICE(0 x0458, 0 x7006), BS(SPCA504B, 0 )},
{USB_DEVICE(0 x0461, 0 x0821), BS(SPCA533, 0 )},
{USB_DEVICE(0 x046d, 0 x0905), BS(SPCA533, LogitechClickSmart820)},
{USB_DEVICE(0 x046d, 0 x0960), BS(SPCA504C, LogitechClickSmart420)},
{USB_DEVICE(0 x0471, 0 x0322), BS(SPCA504B, 0 )},
{USB_DEVICE(0 x04a5, 0 x3003), BS(SPCA504B, 0 )},
{USB_DEVICE(0 x04a5, 0 x3008), BS(SPCA533, 0 )},
{USB_DEVICE(0 x04a5, 0 x300a), BS(SPCA533, 0 )},
{USB_DEVICE(0 x04f1, 0 x1001), BS(SPCA504B, 0 )},
{USB_DEVICE(0 x04fc, 0 x500c), BS(SPCA504B, 0 )},
{USB_DEVICE(0 x04fc, 0 x504a), BS(SPCA504, AiptekMiniPenCam13)},
{USB_DEVICE(0 x04fc, 0 x504b), BS(SPCA504B, 0 )},
{USB_DEVICE(0 x04fc, 0 x5330), BS(SPCA533, 0 )},
{USB_DEVICE(0 x04fc, 0 x5360), BS(SPCA536, 0 )},
{USB_DEVICE(0 x04fc, 0 xffff), BS(SPCA504B, 0 )},
{USB_DEVICE(0 x052b, 0 x1507), BS(SPCA533, MegapixV4)},
{USB_DEVICE(0 x052b, 0 x1513), BS(SPCA533, MegapixV4)},
{USB_DEVICE(0 x052b, 0 x1803), BS(SPCA533, MegaImageVI)},
{USB_DEVICE(0 x0546, 0 x3155), BS(SPCA533, 0 )},
{USB_DEVICE(0 x0546, 0 x3191), BS(SPCA504B, 0 )},
{USB_DEVICE(0 x0546, 0 x3273), BS(SPCA504B, 0 )},
{USB_DEVICE(0 x055f, 0 xc211), BS(SPCA536, 0 )},
{USB_DEVICE(0 x055f, 0 xc230), BS(SPCA533, 0 )},
{USB_DEVICE(0 x055f, 0 xc232), BS(SPCA533, 0 )},
{USB_DEVICE(0 x055f, 0 xc360), BS(SPCA536, 0 )},
{USB_DEVICE(0 x055f, 0 xc420), BS(SPCA504, 0 )},
{USB_DEVICE(0 x055f, 0 xc430), BS(SPCA533, 0 )},
{USB_DEVICE(0 x055f, 0 xc440), BS(SPCA533, 0 )},
{USB_DEVICE(0 x055f, 0 xc520), BS(SPCA504, 0 )},
{USB_DEVICE(0 x055f, 0 xc530), BS(SPCA533, 0 )},
{USB_DEVICE(0 x055f, 0 xc540), BS(SPCA533, 0 )},
{USB_DEVICE(0 x055f, 0 xc630), BS(SPCA533, 0 )},
{USB_DEVICE(0 x055f, 0 xc650), BS(SPCA533, 0 )},
{USB_DEVICE(0 x05da, 0 x1018), BS(SPCA504B, 0 )},
{USB_DEVICE(0 x06d6, 0 x0031), BS(SPCA533, 0 )},
{USB_DEVICE(0 x06d6, 0 x0041), BS(SPCA504B, 0 )},
{USB_DEVICE(0 x0733, 0 x1311), BS(SPCA533, 0 )},
{USB_DEVICE(0 x0733, 0 x1314), BS(SPCA533, 0 )},
{USB_DEVICE(0 x0733, 0 x2211), BS(SPCA533, 0 )},
{USB_DEVICE(0 x0733, 0 x2221), BS(SPCA533, 0 )},
{USB_DEVICE(0 x0733, 0 x3261), BS(SPCA536, 0 )},
{USB_DEVICE(0 x0733, 0 x3281), BS(SPCA536, 0 )},
{USB_DEVICE(0 x08ca, 0 x0104), BS(SPCA533, 0 )},
{USB_DEVICE(0 x08ca, 0 x0106), BS(SPCA533, 0 )},
{USB_DEVICE(0 x08ca, 0 x2008), BS(SPCA504B, 0 )},
{USB_DEVICE(0 x08ca, 0 x2010), BS(SPCA533, 0 )},
{USB_DEVICE(0 x08ca, 0 x2016), BS(SPCA504B, 0 )},
{USB_DEVICE(0 x08ca, 0 x2018), BS(SPCA504B, 0 )},
{USB_DEVICE(0 x08ca, 0 x2020), BS(SPCA533, 0 )},
{USB_DEVICE(0 x08ca, 0 x2022), BS(SPCA533, 0 )},
{USB_DEVICE(0 x08ca, 0 x2024), BS(SPCA536, 0 )},
{USB_DEVICE(0 x08ca, 0 x2028), BS(SPCA533, 0 )},
{USB_DEVICE(0 x08ca, 0 x2040), BS(SPCA536, 0 )},
{USB_DEVICE(0 x08ca, 0 x2042), BS(SPCA536, 0 )},
{USB_DEVICE(0 x08ca, 0 x2050), BS(SPCA536, 0 )},
{USB_DEVICE(0 x08ca, 0 x2060), BS(SPCA536, 0 )},
{USB_DEVICE(0 x0d64, 0 x0303), BS(SPCA536, 0 )},
{}
};
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);
Messung V0.5 in Prozent C=90 H=95 G=92
¤ Dauer der Verarbeitung: 0.18 Sekunden
(vorverarbeitet am 2026-09-28)
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