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Commit 35dc1b4c authored by Jean-Francois Moine's avatar Jean-Francois Moine Committed by Mauro Carvalho Chehab
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V4L/DVB (9985): gspca - spca561: Cleanup source. 

Signed-off-by: default avatarJean-Francois Moine <moinejf@free.fr>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent ca8959bb
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Showing with 117 additions and 129 deletions
drivers/media/video/gspca/spca561.c
View file @ 35dc1b4c
......@@ -146,98 +146,7 @@ static struct v4l2_pix_format sif_072a_mode[] = {
#define SPCA561_SNAPBIT 0x20
#define SPCA561_SNAPCTRL 0x40
static void reg_w_val(struct usb_device *dev, __u16 index, __u8 value)
{
int ret;
ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
0, /* request */
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value, index, NULL, 0, 500);
PDEBUG(D_USBO, "reg write: 0x%02x:0x%02x", index, value);
if (ret < 0)
PDEBUG(D_ERR, "reg write: error %d", ret);
}
static void write_vector(struct gspca_dev *gspca_dev,
const __u16 data[][2])
{
struct usb_device *dev = gspca_dev->dev;
int i;
i = 0;
while (data[i][1] != 0) {
reg_w_val(dev, data[i][1], data[i][0]);
i++;
}
}
/* read 'len' bytes to gspca_dev->usb_buf */
static void reg_r(struct gspca_dev *gspca_dev,
__u16 index, __u16 length)
{
usb_control_msg(gspca_dev->dev,
usb_rcvctrlpipe(gspca_dev->dev, 0),
0, /* request */
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
0, /* value */
index, gspca_dev->usb_buf, length, 500);
}
static void reg_w_buf(struct gspca_dev *gspca_dev,
__u16 index, const __u8 *buffer, __u16 len)
{
memcpy(gspca_dev->usb_buf, buffer, len);
usb_control_msg(gspca_dev->dev,
usb_sndctrlpipe(gspca_dev->dev, 0),
0, /* request */
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
0, /* value */
index, gspca_dev->usb_buf, len, 500);
}
static void i2c_write(struct gspca_dev *gspca_dev, __u16 valeur, __u16 reg)
{
int retry = 60;
__u8 DataLow;
__u8 DataHight;
DataLow = valeur;
DataHight = valeur >> 8;
reg_w_val(gspca_dev->dev, 0x8801, reg);
reg_w_val(gspca_dev->dev, 0x8805, DataLow);
reg_w_val(gspca_dev->dev, 0x8800, DataHight);
while (retry--) {
reg_r(gspca_dev, 0x8803, 1);
if (!gspca_dev->usb_buf[0])
break;
}
}
static int i2c_read(struct gspca_dev *gspca_dev, __u16 reg, __u8 mode)
{
int retry = 60;
__u8 value;
__u8 vallsb;
reg_w_val(gspca_dev->dev, 0x8804, 0x92);
reg_w_val(gspca_dev->dev, 0x8801, reg);
reg_w_val(gspca_dev->dev, 0x8802, (mode | 0x01));
do {
reg_r(gspca_dev, 0x8803, 1);
if (!gspca_dev->usb_buf[0])
break;
} while (--retry);
if (retry == 0)
return -1;
reg_r(gspca_dev, 0x8800, 1);
value = gspca_dev->usb_buf[0];
reg_r(gspca_dev, 0x8805, 1);
vallsb = gspca_dev->usb_buf[0];
return ((int) value << 8) | vallsb;
}
static const __u16 spca561_init_data[][2] = {
static const __u16 rev72a_init_data[][2] = {
{0x0000, 0x8114}, /* Software GPIO output data */
{0x0001, 0x8114}, /* Software GPIO output data */
{0x0000, 0x8112}, /* Some kind of reset */
......@@ -324,7 +233,7 @@ static const __u16 spca561_init_data[][2] = {
{0x0002, 0x865b}, /* Horizontal offset for valid pixels */
{0x0003, 0x865c}, /* Vertical offset for valid lines */
/***************//* sensor active */
/***************/ /* sensor active */
{0x0003, 0x8801}, /* 0x03 <- 0x01 0x21 //289 */
{0x0021, 0x8805},
{0x0001, 0x8800},
......@@ -434,7 +343,6 @@ static const __u16 spca561_init_data[][2] = {
{}
};
/******************** QC Express etch2 stuff ********************/
static const __u16 Pb100_1map8300[][2] = {
/* reg, value */
......@@ -515,22 +423,103 @@ static const __u16 spca561_161rev12A_data2[][2] = {
{}
};
static void sensor_mapwrite(struct gspca_dev *gspca_dev,
const __u16 sensormap[][2])
static void reg_w_val(struct usb_device *dev, __u16 index, __u8 value)
{
int ret;
ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
0, /* request */
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value, index, NULL, 0, 500);
PDEBUG(D_USBO, "reg write: 0x%02x:0x%02x", index, value);
if (ret < 0)
PDEBUG(D_ERR, "reg write: error %d", ret);
}
static void write_vector(struct gspca_dev *gspca_dev,
const __u16 data[][2])
{
int i = 0;
__u8 usbval[2];
struct usb_device *dev = gspca_dev->dev;
int i;
while (sensormap[i][0]) {
usbval[0] = sensormap[i][1];
usbval[1] = sensormap[i][1] >> 8;
reg_w_buf(gspca_dev, sensormap[i][0], usbval, 2);
i = 0;
while (data[i][1] != 0) {
reg_w_val(dev, data[i][1], data[i][0]);
i++;
}
}
/* read 'len' bytes to gspca_dev->usb_buf */
static void reg_r(struct gspca_dev *gspca_dev,
__u16 index, __u16 length)
{
usb_control_msg(gspca_dev->dev,
usb_rcvctrlpipe(gspca_dev->dev, 0),
0, /* request */
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
0, /* value */
index, gspca_dev->usb_buf, length, 500);
}
/* write 'len' bytes from gspca_dev->usb_buf */
static void reg_w_buf(struct gspca_dev *gspca_dev,
__u16 index, __u16 len)
{
usb_control_msg(gspca_dev->dev,
usb_sndctrlpipe(gspca_dev->dev, 0),
0, /* request */
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
0, /* value */
index, gspca_dev->usb_buf, len, 500);
}
static void i2c_write(struct gspca_dev *gspca_dev, __u16 value, __u16 reg)
{
int retry = 60;
reg_w_val(gspca_dev->dev, 0x8801, reg);
reg_w_val(gspca_dev->dev, 0x8805, value);
reg_w_val(gspca_dev->dev, 0x8800, value >> 8);
do {
reg_r(gspca_dev, 0x8803, 1);
if (!gspca_dev->usb_buf[0])
return;
} while (--retry);
}
static int i2c_read(struct gspca_dev *gspca_dev, __u16 reg, __u8 mode)
{
int retry = 60;
__u8 value;
reg_w_val(gspca_dev->dev, 0x8804, 0x92);
reg_w_val(gspca_dev->dev, 0x8801, reg);
reg_w_val(gspca_dev->dev, 0x8802, mode | 0x01);
do {
reg_r(gspca_dev, 0x8803, 1);
if (!gspca_dev->usb_buf[0]) {
reg_r(gspca_dev, 0x8800, 1);
value = gspca_dev->usb_buf[0];
reg_r(gspca_dev, 0x8805, 1);
return ((int) value << 8) | gspca_dev->usb_buf[0];
}
} while (--retry);
return -1;
}
static void sensor_mapwrite(struct gspca_dev *gspca_dev,
const __u16 (*sensormap)[2])
{
while ((*sensormap)[0]) {
gspca_dev->usb_buf[0] = (*sensormap)[1];
gspca_dev->usb_buf[1] = (*sensormap)[1] >> 8;
reg_w_buf(gspca_dev, (*sensormap)[0], 2);
sensormap++;
}
}
static void init_161rev12A(struct gspca_dev *gspca_dev)
{
/* sensor_reset(gspca_dev); (not in win) */
write_vector(gspca_dev, spca561_161rev12A_data1);
sensor_mapwrite(gspca_dev, Pb100_1map8300);
/*fixme: should be in sd_start*/
......@@ -598,7 +587,7 @@ static int sd_init_12a(struct gspca_dev *gspca_dev)
static int sd_init_72a(struct gspca_dev *gspca_dev)
{
PDEBUG(D_STREAM, "Chip revision: 072a");
write_vector(gspca_dev, spca561_init_data);
write_vector(gspca_dev, rev72a_init_data);
return 0;
}
......@@ -621,8 +610,9 @@ static void setcontrast(struct gspca_dev *gspca_dev)
static const __u8 Reg8391[] =
{ 0x92, 0x30, 0x20, 0x00, 0x0c, 0x00, 0x00, 0x00 };
reg_w_buf(gspca_dev, 0x8391, Reg8391, 8);
reg_w_buf(gspca_dev, 0x8390, Reg8391, 8);
memcpy(gspca_dev->usb_buf, Reg8391, 8);
reg_w_buf(gspca_dev, 0x8391, 8);
reg_w_buf(gspca_dev, 0x8390, 8);
break;
}
}
......@@ -649,7 +639,6 @@ static void setexposure(struct gspca_dev *gspca_dev)
struct sd *sd = (struct sd *) gspca_dev;
int expo;
int clock_divider;
__u8 data[2];
/* Register 0x8309 controls exposure for the spca561,
the basic exposure setting goes from 1-2047, where 1 is completely
......@@ -673,20 +662,19 @@ static void setexposure(struct gspca_dev *gspca_dev)
clock_divider = 3;
}
expo |= clock_divider << 11;
data[0] = expo;
data[1] = expo >> 8;
reg_w_buf(gspca_dev, 0x8309, data, 2);
gspca_dev->usb_buf[0] = expo;
gspca_dev->usb_buf[1] = expo >> 8;
reg_w_buf(gspca_dev, 0x8309, 2);
}
/* rev 12a only */
static void setgain(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
__u8 data[2];
data[0] = sd->gain;
data[1] = 0;
reg_w_buf(gspca_dev, 0x8335, data, 2);
gspca_dev->usb_buf[0] = sd->gain;
gspca_dev->usb_buf[1] = 0;
reg_w_buf(gspca_dev, 0x8335, 2);
}
static void setautogain(struct gspca_dev *gspca_dev)
......@@ -716,7 +704,9 @@ static int sd_start_12a(struct gspca_dev *gspca_dev)
* is sufficient to push raw frames at ~20fps */
reg_w_val(dev, 0x8500, mode);
} /* -- qq@kuku.eu.org */
reg_w_buf(gspca_dev, 0x8307, Reg8307, 2);
memcpy(gspca_dev->usb_buf, Reg8307, sizeof Reg8307);
reg_w_buf(gspca_dev, 0x8307, sizeof Reg8307);
reg_w_val(gspca_dev->dev, 0x8700, Clck);
/* 0x8f 0x85 0x27 clock */
reg_w_val(gspca_dev->dev, 0x8112, 0x1e | 0x20);
......@@ -791,7 +781,6 @@ static void do_autogain(struct gspca_dev *gspca_dev)
__u8 luma_mean = 110;
__u8 luma_delta = 20;
__u8 spring = 4;
__u8 reg8339[2];
if (sd->ag_cnt < 0)
return;
......@@ -834,13 +823,13 @@ static void do_autogain(struct gspca_dev *gspca_dev)
if (gainG > 0x3f)
gainG = 0x3f;
else if (gainG < 4)
else if (gainG < 3)
gainG = 3;
i2c_write(gspca_dev, gainG, 0x35);
if (expotimes >= 0x0256)
if (expotimes > 0x0256)
expotimes = 0x0256;
else if (expotimes < 4)
else if (expotimes < 3)
expotimes = 3;
i2c_write(gspca_dev, expotimes | pixelclk, 0x09);
}
......@@ -848,13 +837,13 @@ static void do_autogain(struct gspca_dev *gspca_dev)
case Rev012A:
reg_r(gspca_dev, 0x8330, 2);
if (gspca_dev->usb_buf[1] > 0x08) {
reg8339[0] = ++sd->expo12a;
reg8339[1] = 0;
reg_w_buf(gspca_dev, 0x8339, reg8339, 2);
gspca_dev->usb_buf[0] = ++sd->expo12a;
gspca_dev->usb_buf[1] = 0;
reg_w_buf(gspca_dev, 0x8339, 2);
} else if (gspca_dev->usb_buf[1] < 0x02) {
reg8339[0] = --sd->expo12a;
reg8339[1] = 0;
reg_w_buf(gspca_dev, 0x8339, reg8339, 2);
gspca_dev->usb_buf[0] = --sd->expo12a;
gspca_dev->usb_buf[1] = 0;
reg_w_buf(gspca_dev, 0x8339, 2);
}
break;
}
......@@ -867,8 +856,8 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
{
struct sd *sd = (struct sd *) gspca_dev;
switch (data[0]) {
case 0: /* start of frame */
switch (data[0]) { /* sequence number */
case 0: /* start of frame */
frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
data, 0);
data += SPCA561_OFFSET_DATA;
......@@ -890,8 +879,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
frame, data, len);
}
return;
case 0xff: /* drop */
/* gspca_dev->last_packet_type = DISCARD_PACKET; */
case 0xff: /* drop (empty mpackets) */
return;
}
data++;
......
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