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linux/drivers/media/video/gspca/sunplus.c
Jean-François Moine cf25220677 [media] gspca - sunplus: Fix some warnings and simplify code 
This patch removes warnings due to GSPCA_DEBUG unsetting. It implied
a simplification of the code.

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-05-21 09:36:15 -03:00

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/*
* Sunplus spca504(abc) spca533 spca536 library
* Copyright (C) 2005 Michel Xhaard mxhaard@magic.fr
*
* 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 "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");
/* specific webcam descriptor */
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
s8 brightness;
u8 contrast;
u8 colors;
u8 autogain;
u8 quality;
#define QUALITY_MIN 70
#define QUALITY_MAX 95
#define QUALITY_DEF 85
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];
};
/* V4L2 controls supported by the driver */
static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
static const struct ctrl sd_ctrls[] = {
{
{
.id = V4L2_CID_BRIGHTNESS,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Brightness",
.minimum = -128,
.maximum = 127,
.step = 1,
#define BRIGHTNESS_DEF 0
.default_value = BRIGHTNESS_DEF,
},
.set = sd_setbrightness,
.get = sd_getbrightness,
},
{
{
.id = V4L2_CID_CONTRAST,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Contrast",
.minimum = 0,
.maximum = 0xff,
.step = 1,
#define CONTRAST_DEF 0x20
.default_value = CONTRAST_DEF,
},
.set = sd_setcontrast,
.get = sd_getcontrast,
},
{
{
.id = V4L2_CID_SATURATION,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Color",
.minimum = 0,
.maximum = 0xff,
.step = 1,
#define COLOR_DEF 0x1a
.default_value = COLOR_DEF,
},
.set = sd_setcolors,
.get = sd_getcolors,
},
{
{
.id = V4L2_CID_AUTOGAIN,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "Auto Gain",
.minimum = 0,
.maximum = 1,
.step = 1,
#define AUTOGAIN_DEF 1
.default_value = AUTOGAIN_DEF,
},
.set = sd_setautogain,
.get = sd_getautogain,
},
};
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 */
{0x00, 0x0000, 0x2000},
{0x00, 0x0013, 0x2301},
{0x00, 0x0003, 0x2000},
{0x00, 0x0001, 0x21ac},
{0x00, 0x0001, 0x21a6},
{0x00, 0x0000, 0x21a7}, /* brightness */
{0x00, 0x0020, 0x21a8}, /* contrast */
{0x00, 0x0001, 0x21ac}, /* sat/hue */
{0x00, 0x0000, 0x21ad}, /* hue */
{0x00, 0x001a, 0x21ae}, /* saturation */
{0x00, 0x0002, 0x21a3}, /* gamma */
{0x30, 0x0154, 0x0008},
{0x30, 0x0004, 0x0006},
{0x30, 0x0258, 0x0009},
{0x30, 0x0004, 0x0000},
{0x30, 0x0093, 0x0004},
{0x30, 0x0066, 0x0005},
{0x00, 0x0000, 0x2000},
{0x00, 0x0013, 0x2301},
{0x00, 0x0003, 0x2000},
{0x00, 0x0013, 0x2301},
{0x00, 0x0003, 0x2000},
};
/* 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[] = {
{0x00, 0x0001, 0x2501},
{0x20, 0x0500, 0x0001}, /* snapshot mode */
{0x00, 0x0003, 0x2880},
{0x00, 0x0001, 0x2881},
};
/* Initialisation data for the logitech clicksmart 420 */
static const struct cmd spca504A_clicksmart420_init_data[] = {
/* {0xa0, 0x0000, 0x0503}, * capture mode */
{0x00, 0x0000, 0x2000},
{0x00, 0x0013, 0x2301},
{0x00, 0x0003, 0x2000},
{0x00, 0x0001, 0x21ac},
{0x00, 0x0001, 0x21a6},
{0x00, 0x0000, 0x21a7}, /* brightness */
{0x00, 0x0020, 0x21a8}, /* contrast */
{0x00, 0x0001, 0x21ac}, /* sat/hue */
{0x00, 0x0000, 0x21ad}, /* hue */
{0x00, 0x001a, 0x21ae}, /* saturation */
{0x00, 0x0002, 0x21a3}, /* gamma */
{0x30, 0x0004, 0x000a},
{0xb0, 0x0001, 0x0000},
{0xa1, 0x0080, 0x0001},
{0x30, 0x0049, 0x0000},
{0x30, 0x0060, 0x0005},
{0x0c, 0x0004, 0x0000},
{0x00, 0x0000, 0x0000},
{0x00, 0x0000, 0x2000},
{0x00, 0x0013, 0x2301},
{0x00, 0x0003, 0x2000},
{0x00, 0x0000, 0x2000},
};
/* clicksmart 420 open data ? */
static const struct cmd spca504A_clicksmart420_open_data[] = {
{0x00, 0x0001, 0x2501},
{0x20, 0x0502, 0x0000},
{0x06, 0x0000, 0x0000},
{0x00, 0x0004, 0x2880},
{0x00, 0x0001, 0x2881},
{0xa0, 0x0000, 0x0503},
};
static const u8 qtable_creative_pccam[2][64] = {
{ /* Q-table Y-components */
0x05, 0x03, 0x03, 0x05, 0x07, 0x0c, 0x0f, 0x12,
0x04, 0x04, 0x04, 0x06, 0x08, 0x11, 0x12, 0x11,
0x04, 0x04, 0x05, 0x07, 0x0c, 0x11, 0x15, 0x11,
0x04, 0x05, 0x07, 0x09, 0x0f, 0x1a, 0x18, 0x13,
0x05, 0x07, 0x0b, 0x11, 0x14, 0x21, 0x1f, 0x17,
0x07, 0x0b, 0x11, 0x13, 0x18, 0x1f, 0x22, 0x1c,
0x0f, 0x13, 0x17, 0x1a, 0x1f, 0x24, 0x24, 0x1e,
0x16, 0x1c, 0x1d, 0x1d, 0x22, 0x1e, 0x1f, 0x1e},
{ /* Q-table C-components */
0x05, 0x05, 0x07, 0x0e, 0x1e, 0x1e, 0x1e, 0x1e,
0x05, 0x06, 0x08, 0x14, 0x1e, 0x1e, 0x1e, 0x1e,
0x07, 0x08, 0x11, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
0x0e, 0x14, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e}
};
/* 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 */
0x05, 0x03, 0x03, 0x05, 0x07, 0x0c, 0x0f, 0x12,
0x04, 0x04, 0x04, 0x06, 0x08, 0x11, 0x12, 0x11,
0x04, 0x04, 0x05, 0x07, 0x0c, 0x11, 0x15, 0x11,
0x04, 0x05, 0x07, 0x09, 0x0f, 0x1a, 0x18, 0x13,
0x05, 0x07, 0x0b, 0x11, 0x14, 0x21, 0x1f, 0x17,
0x07, 0x0b, 0x11, 0x13, 0x18, 0x1f, 0x22, 0x1c,
0x0f, 0x13, 0x17, 0x1a, 0x1f, 0x24, 0x24, 0x1e,
0x16, 0x1c, 0x1d, 0x1d, 0x1d /* 0x22 */ , 0x1e, 0x1f, 0x1e,
},
{ /* Q-table C-components */
0x05, 0x05, 0x07, 0x0e, 0x1e, 0x1e, 0x1e, 0x1e,
0x05, 0x06, 0x08, 0x14, 0x1e, 0x1e, 0x1e, 0x1e,
0x07, 0x08, 0x11, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
0x0e, 0x14, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e}
};
/* 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;
#ifdef GSPCA_DEBUG
if (len > USB_BUF_SZ) {
err("reg_r: buffer overflow");
return;
}
#endif
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,
len ? gspca_dev->usb_buf : NULL, len,
500);
if (ret < 0) {
err("reg_r err %d", ret);
gspca_dev->usb_err = ret;
}
}
/* 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) {
err("reg_w_1 err %d", 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) {
err("reg_w_riv err %d", ret);
gspca_dev->usb_err = ret;
return;
}
PDEBUG(D_USBO, "reg_w_riv: 0x%02x,0x%04x:0x%04x",
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, 0x00, 0x2800 + i, qtable[0][i]);
/* loop over c components */
for (i = 0; i < 64; i++)
reg_w_riv(gspca_dev, 0x00, 0x2840 + 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, 0x01, 0x0001, 1);
PDEBUG(D_FRAM, "before wait 0x%04x", gspca_dev->usb_buf[0]);
reg_w_riv(gspca_dev, req, idx, val);
msleep(200);
reg_r(gspca_dev, 0x01, 0x0001, 1);
PDEBUG(D_FRAM, "after wait 0x%04x", gspca_dev->usb_buf[0]);
}
#ifdef GSPCA_DEBUG
static void spca504_read_info(struct gspca_dev *gspca_dev)
{
int i;
u8 info[6];
for (i = 0; i < 6; i++) {
reg_r(gspca_dev, 0, i, 1);
info[i] = gspca_dev->usb_buf[0];
}
PDEBUG(D_STREAM,
"Read info: %d %d %d %d %d %d."
" Should be 1,0,2,2,0,0",
info[0], info[1], info[2],
info[3], info[4], info[5]);
}
#endif
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, 0x01, 0x0001, 1);
if (gspca_dev->usb_err < 0)
return;
PDEBUG(D_FRAM, "Status 0x%02x Need 0x%02x",
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, 0x01, 0x0001, 1);
status = gspca_dev->usb_buf[0];
if (status == endcode) {
PDEBUG(D_FRAM, "status 0x%04x after wait %d",
status, 200 - count);
break;
}
}
}
static void spca504B_PollingDataReady(struct gspca_dev *gspca_dev)
{
int count = 10;
while (--count > 0) {
reg_r(gspca_dev, 0x21, 0, 1);
if ((gspca_dev->usb_buf[0] & 0x01) == 0)
break;
msleep(10);
}
}
static void spca504B_WaitCmdStatus(struct gspca_dev *gspca_dev)
{
int count = 50;
while (--count > 0) {
reg_r(gspca_dev, 0x21, 1, 1);
if (gspca_dev->usb_buf[0] != 0) {
reg_w_1(gspca_dev, 0x21, 0, 1, 0);
reg_r(gspca_dev, 0x21, 1, 1);
spca504B_PollingDataReady(gspca_dev);
break;
}
msleep(10);
}
}
#ifdef GSPCA_DEBUG
static void spca50x_GetFirmware(struct gspca_dev *gspca_dev)
{
u8 *data;
data = gspca_dev->usb_buf;
reg_r(gspca_dev, 0x20, 0, 5);
PDEBUG(D_STREAM, "FirmWare: %d %d %d %d %d",
data[0], data[1], data[2], data[3], data[4]);
reg_r(gspca_dev, 0x23, 0, 64);
reg_r(gspca_dev, 0x23, 1, 64);
}
#endif
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, 0x31, 0, 0);
spca504B_WaitCmdStatus(gspca_dev);
spca504B_PollingDataReady(gspca_dev);
#ifdef GSPCA_DEBUG
spca50x_GetFirmware(gspca_dev);
#endif
reg_w_1(gspca_dev, 0x24, 0, 8, 2); /* type */
reg_r(gspca_dev, 0x24, 8, 1);
reg_w_1(gspca_dev, 0x25, 0, 4, Size);
reg_r(gspca_dev, 0x25, 4, 1); /* size */
spca504B_PollingDataReady(gspca_dev);
/* Init the cam width height with some values get on init ? */
reg_w_riv(gspca_dev, 0x31, 0x0004, 0x00);
spca504B_WaitCmdStatus(gspca_dev);
spca504B_PollingDataReady(gspca_dev);
break;
default:
/* case BRIDGE_SPCA504B: */
/* case BRIDGE_SPCA536: */
reg_w_1(gspca_dev, 0x25, 0, 4, Size);
reg_r(gspca_dev, 0x25, 4, 1); /* size */
reg_w_1(gspca_dev, 0x27, 0, 0, 6);
reg_r(gspca_dev, 0x27, 0, 1); /* type */
spca504B_PollingDataReady(gspca_dev);
break;
case BRIDGE_SPCA504:
Size += 3;
if (sd->subtype == AiptekMiniPenCam13) {
/* spca504a aiptek */
spca504A_acknowledged_command(gspca_dev,
0x08, Size, 0,
0x80 | (Size & 0x0f), 1);
spca504A_acknowledged_command(gspca_dev,
1, 3, 0, 0x9f, 0);
} else {
spca504_acknowledged_command(gspca_dev, 0x08, Size, 0);
}
break;
case BRIDGE_SPCA504C:
/* capture mode */
reg_w_riv(gspca_dev, 0xa0, (0x0500 | (Size & 0x0f)), 0x00);
reg_w_riv(gspca_dev, 0x20, 0x01, 0x0500 | (Size & 0x0f));
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, 0x06, 0x00, 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, 0x26, 0, 0, 3);
reg_r(gspca_dev, 0x26, 0, 1);
spca504B_PollingDataReady(gspca_dev);
}
static void setbrightness(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
u16 reg;
reg = sd->bridge == BRIDGE_SPCA536 ? 0x20f0 : 0x21a7;
reg_w_riv(gspca_dev, 0x00, reg, sd->brightness);
}
static void setcontrast(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
u16 reg;
reg = sd->bridge == BRIDGE_SPCA536 ? 0x20f1 : 0x21a8;
reg_w_riv(gspca_dev, 0x00, reg, sd->contrast);
}
static void setcolors(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
u16 reg;
reg = sd->bridge == BRIDGE_SPCA536 ? 0x20f6 : 0x21ae;
reg_w_riv(gspca_dev, 0x00, reg, sd->colors);
}
static void init_ctl_reg(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
int pollreg = 1;
setbrightness(gspca_dev);
setcontrast(gspca_dev);
setcolors(gspca_dev);
switch (sd->bridge) {
case BRIDGE_SPCA504:
case BRIDGE_SPCA504C:
pollreg = 0;
/* fall thru */
default:
/* case BRIDGE_SPCA533: */
/* case BRIDGE_SPCA504B: */
reg_w_riv(gspca_dev, 0, 0x21ad, 0x00); /* hue */
reg_w_riv(gspca_dev, 0, 0x21ac, 0x01); /* sat/hue */
reg_w_riv(gspca_dev, 0, 0x21a3, 0x00); /* gamma */
break;
case BRIDGE_SPCA536:
reg_w_riv(gspca_dev, 0, 0x20f5, 0x40);
reg_w_riv(gspca_dev, 0, 0x20f4, 0x01);
reg_w_riv(gspca_dev, 0, 0x2089, 0x00);
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, 0x20, 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;
}
sd->brightness = BRIGHTNESS_DEF;
sd->contrast = CONTRAST_DEF;
sd->colors = COLOR_DEF;
sd->autogain = AUTOGAIN_DEF;
sd->quality = QUALITY_DEF;
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, 0x1d, 0x00, 0);
reg_w_riv(gspca_dev, 0x00, 0x2306, 0x01);
reg_w_riv(gspca_dev, 0x00, 0x0d04, 0x00);
reg_w_riv(gspca_dev, 0x00, 0x2000, 0x00);
reg_w_riv(gspca_dev, 0x00, 0x2301, 0x13);
reg_w_riv(gspca_dev, 0x00, 0x2306, 0x00);
/* fall thru */
case BRIDGE_SPCA533:
spca504B_PollingDataReady(gspca_dev);
#ifdef GSPCA_DEBUG
spca50x_GetFirmware(gspca_dev);
#endif
break;
case BRIDGE_SPCA536:
#ifdef GSPCA_DEBUG
spca50x_GetFirmware(gspca_dev);
#endif
reg_r(gspca_dev, 0x00, 0x5002, 1);
reg_w_1(gspca_dev, 0x24, 0, 0, 0);
reg_r(gspca_dev, 0x24, 0, 1);
spca504B_PollingDataReady(gspca_dev);
reg_w_riv(gspca_dev, 0x34, 0, 0);
spca504B_WaitCmdStatus(gspca_dev);
break;
case BRIDGE_SPCA504C: /* pccam600 */
PDEBUG(D_STREAM, "Opening SPCA504 (PC-CAM 600)");
reg_w_riv(gspca_dev, 0xe0, 0x0000, 0x0000);
reg_w_riv(gspca_dev, 0xe0, 0x0000, 0x0001); /* 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: */
PDEBUG(D_STREAM, "Opening SPCA504");
if (sd->subtype == AiptekMiniPenCam13) {
#ifdef GSPCA_DEBUG
spca504_read_info(gspca_dev);
#endif
/* Set AE AWB Banding Type 3-> 50Hz 2-> 60Hz */
spca504A_acknowledged_command(gspca_dev, 0x24,
8, 3, 0x9e, 1);
/* Twice sequential need status 0xff->0x9e->0x9d */
spca504A_acknowledged_command(gspca_dev, 0x24,
8, 3, 0x9e, 0);
spca504A_acknowledged_command(gspca_dev, 0x24,
0, 0, 0x9d, 1);
/******************************/
/* spca504a aiptek */
spca504A_acknowledged_command(gspca_dev, 0x08,
6, 0, 0x86, 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, 0x00, 0x270c, 0x05);
/* L92 sno1t.txt */
reg_w_riv(gspca_dev, 0x00, 0x2310, 0x05);
spca504A_acknowledged_command(gspca_dev, 0x01,
0x0f, 0, 0xff, 0);
}
/* setup qtable */
reg_w_riv(gspca_dev, 0, 0x2000, 0);
reg_w_riv(gspca_dev, 0, 0x2883, 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->height, gspca_dev->width,
0x22); /* JPEG 411 */
jpeg_set_qual(sd->jpeg_hdr, sd->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, 0xf0, 0, 0);
spca504B_WaitCmdStatus(gspca_dev);
reg_r(gspca_dev, 0xf0, 4, 0);
spca504B_WaitCmdStatus(gspca_dev);
break;
default:
reg_w_riv(gspca_dev, 0x31, 0x0004, 0x00);
spca504B_WaitCmdStatus(gspca_dev);
spca504B_PollingDataReady(gspca_dev);
break;
}
break;
case BRIDGE_SPCA504:
if (sd->subtype == AiptekMiniPenCam13) {
#ifdef GSPCA_DEBUG
spca504_read_info(gspca_dev);
#endif
/* Set AE AWB Banding Type 3-> 50Hz 2-> 60Hz */
spca504A_acknowledged_command(gspca_dev, 0x24,
8, 3, 0x9e, 1);
/* Twice sequential need status 0xff->0x9e->0x9d */
spca504A_acknowledged_command(gspca_dev, 0x24,
8, 3, 0x9e, 0);
spca504A_acknowledged_command(gspca_dev, 0x24,
0, 0, 0x9d, 1);
} else {
spca504_acknowledged_command(gspca_dev, 0x24, 8, 3);
#ifdef GSPCA_DEBUG
spca504_read_info(gspca_dev);
#endif
spca504_acknowledged_command(gspca_dev, 0x24, 8, 3);
spca504_acknowledged_command(gspca_dev, 0x24, 0, 0);
}
spca504B_SetSizeType(gspca_dev);
reg_w_riv(gspca_dev, 0x00, 0x270c, 0x05);
/* L92 sno1t.txt */
reg_w_riv(gspca_dev, 0x00, 0x2310, 0x05);
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 ? 0x04 : 0x01);
reg_w_riv(gspca_dev, 0x0c, 0x0000, enable);
/* auto exposure */
reg_w_riv(gspca_dev, 0xb0, 0x0000, enable);
/* auto whiteness */
/* set default exposure compensation and whiteness balance */
reg_w_riv(gspca_dev, 0x30, 0x0001, 800); /* ~ 20 fps */
reg_w_riv(gspca_dev, 0x30, 0x0002, 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, 0x31, 0, 0);
spca504B_WaitCmdStatus(gspca_dev);
spca504B_PollingDataReady(gspca_dev);
break;
case BRIDGE_SPCA504:
case BRIDGE_SPCA504C:
reg_w_riv(gspca_dev, 0x00, 0x2000, 0x0000);
if (sd->subtype == AiptekMiniPenCam13) {
/* spca504a aiptek */
/* spca504A_acknowledged_command(gspca_dev, 0x08,
6, 0, 0x86, 1); */
spca504A_acknowledged_command(gspca_dev, 0x24,
0x00, 0x00, 0x9d, 1);
spca504A_acknowledged_command(gspca_dev, 0x01,
0x0f, 0x00, 0xff, 1);
} else {
spca504_acknowledged_command(gspca_dev, 0x24, 0, 0);
reg_w_riv(gspca_dev, 0x01, 0x000f, 0x0000);
}
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[] = {0xff, 0xd9};
/* frames are jpeg 4.1.1 without 0xff escape */
switch (sd->bridge) {
case BRIDGE_SPCA533:
if (data[0] == 0xff) {
if (data[1] != 0x01) { /* 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] == 0xff) {
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 0xfe: /* start of frame */
sof = 1;
data += SPCA50X_OFFSET_DATA;
len -= SPCA50X_OFFSET_DATA;
break;
case 0xff: /* drop packet */
/* gspca_dev->last_packet_type = DISCARD_PACKET; */
return;
default:
data += 1;
len -= 1;
break;
}
break;
case BRIDGE_SPCA504C:
switch (data[0]) {
case 0xfe: /* start of frame */
sof = 1;
data += SPCA504_PCCAM600_OFFSET_DATA;
len -= SPCA504_PCCAM600_OFFSET_DATA;
break;
case 0xff: /* 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] == 0xff) {
gspca_frame_add(gspca_dev, INTER_PACKET,
data, i + 1);
len -= i;
data += i;
*data = 0x00;
i = 0;
}
i++;
} while (i < len);
gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
}
static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->brightness = val;
if (gspca_dev->streaming)
setbrightness(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->brightness;
return 0;
}
static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->contrast = val;
if (gspca_dev->streaming)
setcontrast(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->contrast;
return 0;
}
static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->colors = val;
if (gspca_dev->streaming)
setcolors(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->colors;
return 0;
}
static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->autogain = val;
return 0;
}
static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->autogain;
return 0;
}
static int sd_set_jcomp(struct gspca_dev *gspca_dev,
struct v4l2_jpegcompression *jcomp)
{
struct sd *sd = (struct sd *) gspca_dev;
if (jcomp->quality < QUALITY_MIN)
sd->quality = QUALITY_MIN;
else if (jcomp->quality > QUALITY_MAX)
sd->quality = QUALITY_MAX;
else
sd->quality = jcomp->quality;
if (gspca_dev->streaming)
jpeg_set_qual(sd->jpeg_hdr, sd->quality);
return gspca_dev->usb_err;
}
static int sd_get_jcomp(struct gspca_dev *gspca_dev,
struct v4l2_jpegcompression *jcomp)
{
struct sd *sd = (struct sd *) gspca_dev;
memset(jcomp, 0, sizeof *jcomp);
jcomp->quality = sd->quality;
jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT
| V4L2_JPEG_MARKER_DQT;
return 0;
}
/* sub-driver description */
static const struct sd_desc sd_desc = {
.name = MODULE_NAME,
.ctrls = sd_ctrls,
.nctrls = ARRAY_SIZE(sd_ctrls),
.config = sd_config,
.init = sd_init,
.start = sd_start,
.stopN = sd_stopN,
.pkt_scan = sd_pkt_scan,
.get_jcomp = sd_get_jcomp,
.set_jcomp = sd_set_jcomp,
};
/* -- module initialisation -- */
#define BS(bridge, subtype) \
.driver_info = (BRIDGE_ ## bridge << 8) \
| (subtype)
static const struct usb_device_id device_table[] = {
{USB_DEVICE(0x041e, 0x400b), BS(SPCA504C, 0)},
{USB_DEVICE(0x041e, 0x4012), BS(SPCA504C, 0)},
{USB_DEVICE(0x041e, 0x4013), BS(SPCA504C, 0)},
{USB_DEVICE(0x0458, 0x7006), BS(SPCA504B, 0)},
{USB_DEVICE(0x0461, 0x0821), BS(SPCA533, 0)},
{USB_DEVICE(0x046d, 0x0905), BS(SPCA533, LogitechClickSmart820)},
{USB_DEVICE(0x046d, 0x0960), BS(SPCA504C, LogitechClickSmart420)},
{USB_DEVICE(0x0471, 0x0322), BS(SPCA504B, 0)},
{USB_DEVICE(0x04a5, 0x3003), BS(SPCA504B, 0)},
{USB_DEVICE(0x04a5, 0x3008), BS(SPCA533, 0)},
{USB_DEVICE(0x04a5, 0x300a), BS(SPCA533, 0)},
{USB_DEVICE(0x04f1, 0x1001), BS(SPCA504B, 0)},
{USB_DEVICE(0x04fc, 0x500c), BS(SPCA504B, 0)},
{USB_DEVICE(0x04fc, 0x504a), BS(SPCA504, AiptekMiniPenCam13)},
{USB_DEVICE(0x04fc, 0x504b), BS(SPCA504B, 0)},
{USB_DEVICE(0x04fc, 0x5330), BS(SPCA533, 0)},
{USB_DEVICE(0x04fc, 0x5360), BS(SPCA536, 0)},
{USB_DEVICE(0x04fc, 0xffff), BS(SPCA504B, 0)},
{USB_DEVICE(0x052b, 0x1507), BS(SPCA533, MegapixV4)},
{USB_DEVICE(0x052b, 0x1513), BS(SPCA533, MegapixV4)},
{USB_DEVICE(0x052b, 0x1803), BS(SPCA533, MegaImageVI)},
{USB_DEVICE(0x0546, 0x3155), BS(SPCA533, 0)},
{USB_DEVICE(0x0546, 0x3191), BS(SPCA504B, 0)},
{USB_DEVICE(0x0546, 0x3273), BS(SPCA504B, 0)},
{USB_DEVICE(0x055f, 0xc211), BS(SPCA536, 0)},
{USB_DEVICE(0x055f, 0xc230), BS(SPCA533, 0)},
{USB_DEVICE(0x055f, 0xc232), BS(SPCA533, 0)},
{USB_DEVICE(0x055f, 0xc360), BS(SPCA536, 0)},
{USB_DEVICE(0x055f, 0xc420), BS(SPCA504, 0)},
{USB_DEVICE(0x055f, 0xc430), BS(SPCA533, 0)},
{USB_DEVICE(0x055f, 0xc440), BS(SPCA533, 0)},
{USB_DEVICE(0x055f, 0xc520), BS(SPCA504, 0)},
{USB_DEVICE(0x055f, 0xc530), BS(SPCA533, 0)},
{USB_DEVICE(0x055f, 0xc540), BS(SPCA533, 0)},
{USB_DEVICE(0x055f, 0xc630), BS(SPCA533, 0)},
{USB_DEVICE(0x055f, 0xc650), BS(SPCA533, 0)},
{USB_DEVICE(0x05da, 0x1018), BS(SPCA504B, 0)},
{USB_DEVICE(0x06d6, 0x0031), BS(SPCA533, 0)},
{USB_DEVICE(0x0733, 0x1311), BS(SPCA533, 0)},
{USB_DEVICE(0x0733, 0x1314), BS(SPCA533, 0)},
{USB_DEVICE(0x0733, 0x2211), BS(SPCA533, 0)},
{USB_DEVICE(0x0733, 0x2221), BS(SPCA533, 0)},
{USB_DEVICE(0x0733, 0x3261), BS(SPCA536, 0)},
{USB_DEVICE(0x0733, 0x3281), BS(SPCA536, 0)},
{USB_DEVICE(0x08ca, 0x0104), BS(SPCA533, 0)},
{USB_DEVICE(0x08ca, 0x0106), BS(SPCA533, 0)},
{USB_DEVICE(0x08ca, 0x2008), BS(SPCA504B, 0)},
{USB_DEVICE(0x08ca, 0x2010), BS(SPCA533, 0)},
{USB_DEVICE(0x08ca, 0x2016), BS(SPCA504B, 0)},
{USB_DEVICE(0x08ca, 0x2018), BS(SPCA504B, 0)},
{USB_DEVICE(0x08ca, 0x2020), BS(SPCA533, 0)},
{USB_DEVICE(0x08ca, 0x2022), BS(SPCA533, 0)},
{USB_DEVICE(0x08ca, 0x2024), BS(SPCA536, 0)},
{USB_DEVICE(0x08ca, 0x2028), BS(SPCA533, 0)},
{USB_DEVICE(0x08ca, 0x2040), BS(SPCA536, 0)},
{USB_DEVICE(0x08ca, 0x2042), BS(SPCA536, 0)},
{USB_DEVICE(0x08ca, 0x2050), BS(SPCA536, 0)},
{USB_DEVICE(0x08ca, 0x2060), BS(SPCA536, 0)},
{USB_DEVICE(0x0d64, 0x0303), 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,
#endif
};
/* -- module insert / remove -- */
static int __init sd_mod_init(void)
{
return usb_register(&sd_driver);
}
static void __exit sd_mod_exit(void)
{
usb_deregister(&sd_driver);
}
module_init(sd_mod_init);
module_exit(sd_mod_exit);
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