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path: root/drivers/media/video/gspca/pac7311.c
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Diffstat (limited to 'drivers/media/video/gspca/pac7311.c')
-rw-r--r--drivers/media/video/gspca/pac7311.c720
1 files changed, 259 insertions, 461 deletions
diff --git a/drivers/media/video/gspca/pac7311.c b/drivers/media/video/gspca/pac7311.c
index 052714484e83..42cfcdfd8f4f 100644
--- a/drivers/media/video/gspca/pac7311.c
+++ b/drivers/media/video/gspca/pac7311.c
@@ -57,23 +57,17 @@ MODULE_AUTHOR("Thomas Kaiser thomas@kaiser-linux.li");
MODULE_DESCRIPTION("Pixart PAC7311");
MODULE_LICENSE("GPL");
-/* specific webcam descriptor */
+/* specific webcam descriptor for pac7311 */
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
- unsigned char brightness;
unsigned char contrast;
- unsigned char colors;
unsigned char gain;
unsigned char exposure;
unsigned char autogain;
__u8 hflip;
__u8 vflip;
- __u8 sensor;
-#define SENSOR_PAC7302 0
-#define SENSOR_PAC7311 1
-
u8 sof_read;
u8 autogain_ignore_frames;
@@ -81,12 +75,8 @@ struct sd {
};
/* 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 int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val);
@@ -99,23 +89,6 @@ static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val);
static struct ctrl sd_ctrls[] = {
-/* This control is pac7302 only */
-#define BRIGHTNESS_IDX 0
- {
- {
- .id = V4L2_CID_BRIGHTNESS,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Brightness",
- .minimum = 0,
-#define BRIGHTNESS_MAX 0x20
- .maximum = BRIGHTNESS_MAX,
- .step = 1,
-#define BRIGHTNESS_DEF 0x10
- .default_value = BRIGHTNESS_DEF,
- },
- .set = sd_setbrightness,
- .get = sd_getbrightness,
- },
/* This control is for both the 7302 and the 7311 */
{
{
@@ -132,23 +105,6 @@ static struct ctrl sd_ctrls[] = {
.set = sd_setcontrast,
.get = sd_getcontrast,
},
-/* This control is pac7302 only */
-#define SATURATION_IDX 2
- {
- {
- .id = V4L2_CID_SATURATION,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Saturation",
- .minimum = 0,
-#define COLOR_MAX 255
- .maximum = COLOR_MAX,
- .step = 1,
-#define COLOR_DEF 127
- .default_value = COLOR_DEF,
- },
- .set = sd_setcolors,
- .get = sd_getcolors,
- },
/* All controls below are for both the 7302 and the 7311 */
{
{
@@ -244,101 +200,9 @@ static const struct v4l2_pix_format vga_mode[] = {
.priv = 0},
};
-/* pac 7302 */
-static const __u8 init_7302[] = {
-/* index,value */
- 0xff, 0x01, /* page 1 */
- 0x78, 0x00, /* deactivate */
- 0xff, 0x01,
- 0x78, 0x40, /* led off */
-};
-static const __u8 start_7302[] = {
-/* index, len, [value]* */
- 0xff, 1, 0x00, /* page 0 */
- 0x00, 12, 0x01, 0x40, 0x40, 0x40, 0x01, 0xe0, 0x02, 0x80,
- 0x00, 0x00, 0x00, 0x00,
- 0x0d, 24, 0x03, 0x01, 0x00, 0xb5, 0x07, 0xcb, 0x00, 0x00,
- 0x07, 0xc8, 0x00, 0xea, 0x07, 0xcf, 0x07, 0xf7,
- 0x07, 0x7e, 0x01, 0x0b, 0x00, 0x00, 0x00, 0x11,
- 0x26, 2, 0xaa, 0xaa,
- 0x2e, 1, 0x31,
- 0x38, 1, 0x01,
- 0x3a, 3, 0x14, 0xff, 0x5a,
- 0x43, 11, 0x00, 0x0a, 0x18, 0x11, 0x01, 0x2c, 0x88, 0x11,
- 0x00, 0x54, 0x11,
- 0x55, 1, 0x00,
- 0x62, 4, 0x10, 0x1e, 0x1e, 0x18,
- 0x6b, 1, 0x00,
- 0x6e, 3, 0x08, 0x06, 0x00,
- 0x72, 3, 0x00, 0xff, 0x00,
- 0x7d, 23, 0x01, 0x01, 0x58, 0x46, 0x50, 0x3c, 0x50, 0x3c,
- 0x54, 0x46, 0x54, 0x56, 0x52, 0x50, 0x52, 0x50,
- 0x56, 0x64, 0xa4, 0x00, 0xda, 0x00, 0x00,
- 0xa2, 10, 0x22, 0x2c, 0x3c, 0x54, 0x69, 0x7c, 0x9c, 0xb9,
- 0xd2, 0xeb,
- 0xaf, 1, 0x02,
- 0xb5, 2, 0x08, 0x08,
- 0xb8, 2, 0x08, 0x88,
- 0xc4, 4, 0xae, 0x01, 0x04, 0x01,
- 0xcc, 1, 0x00,
- 0xd1, 11, 0x01, 0x30, 0x49, 0x5e, 0x6f, 0x7f, 0x8e, 0xa9,
- 0xc1, 0xd7, 0xec,
- 0xdc, 1, 0x01,
- 0xff, 1, 0x01, /* page 1 */
- 0x12, 3, 0x02, 0x00, 0x01,
- 0x3e, 2, 0x00, 0x00,
- 0x76, 5, 0x01, 0x20, 0x40, 0x00, 0xf2,
- 0x7c, 1, 0x00,
- 0x7f, 10, 0x4b, 0x0f, 0x01, 0x2c, 0x02, 0x58, 0x03, 0x20,
- 0x02, 0x00,
- 0x96, 5, 0x01, 0x10, 0x04, 0x01, 0x04,
- 0xc8, 14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00,
- 0x07, 0x00, 0x01, 0x07, 0x04, 0x01,
- 0xd8, 1, 0x01,
- 0xdb, 2, 0x00, 0x01,
- 0xde, 7, 0x00, 0x01, 0x04, 0x04, 0x00, 0x00, 0x00,
- 0xe6, 4, 0x00, 0x00, 0x00, 0x01,
- 0xeb, 1, 0x00,
- 0xff, 1, 0x02, /* page 2 */
- 0x22, 1, 0x00,
- 0xff, 1, 0x03, /* page 3 */
- 0x00, 255, /* load the page 3 */
- 0x11, 1, 0x01,
- 0xff, 1, 0x02, /* page 2 */
- 0x13, 1, 0x00,
- 0x22, 4, 0x1f, 0xa4, 0xf0, 0x96,
- 0x27, 2, 0x14, 0x0c,
- 0x2a, 5, 0xc8, 0x00, 0x18, 0x12, 0x22,
- 0x64, 8, 0x00, 0x00, 0xf0, 0x01, 0x14, 0x44, 0x44, 0x44,
- 0x6e, 1, 0x08,
- 0xff, 1, 0x01, /* page 1 */
- 0x78, 1, 0x00,
- 0, 0 /* end of sequence */
-};
-
-/* page 3 - the value 0xaa says skip the index - see reg_w_page() */
-static const __u8 page3_7302[] = {
- 0x90, 0x40, 0x03, 0x50, 0xc2, 0x01, 0x14, 0x16,
- 0x14, 0x12, 0x00, 0x00, 0x00, 0x02, 0x33, 0x00,
- 0x0f, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x47, 0x01, 0xb3, 0x01, 0x00,
- 0x00, 0x08, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x21,
- 0x00, 0x00, 0x00, 0x54, 0xf4, 0x02, 0x52, 0x54,
- 0xa4, 0xb8, 0xe0, 0x2a, 0xf6, 0x00, 0x00, 0x00,
- 0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0xfc, 0x00, 0xf2, 0x1f, 0x04, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0xc0, 0xc0, 0x10, 0x00, 0x00,
- 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x40, 0xff, 0x03, 0x19, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0xc8, 0xc8, 0xc8,
- 0xc8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50,
- 0x08, 0x10, 0x24, 0x40, 0x00, 0x00, 0x00, 0x00,
- 0x01, 0x00, 0x02, 0x47, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x02, 0xfa, 0x00, 0x64, 0x5a, 0x28, 0x00,
- 0x00
-};
+#define LOAD_PAGE3 255
+#define LOAD_PAGE4 254
+#define END_OF_SEQUENCE 0
/* pac 7311 */
static const __u8 init_7311[] = {
@@ -378,119 +242,154 @@ static const __u8 start_7311[] = {
0xf0, 13, 0x01, 0x00, 0x00, 0x00, 0x22, 0x00, 0x20, 0x00,
0x3f, 0x00, 0x0a, 0x01, 0x00,
0xff, 1, 0x04, /* page 4 */
- 0x00, 254, /* load the page 4 */
+ 0, LOAD_PAGE4, /* load the page 4 */
0x11, 1, 0x01,
- 0, 0 /* end of sequence */
+ 0, END_OF_SEQUENCE /* end of sequence */
};
-/* page 4 - the value 0xaa says skip the index - see reg_w_page() */
+#define SKIP 0xaa
+/* page 4 - the value SKIP says skip the index - see reg_w_page() */
static const __u8 page4_7311[] = {
- 0xaa, 0xaa, 0x04, 0x54, 0x07, 0x2b, 0x09, 0x0f,
- 0x09, 0x00, 0xaa, 0xaa, 0x07, 0x00, 0x00, 0x62,
- 0x08, 0xaa, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x03, 0xa0, 0x01, 0xf4, 0xaa,
- 0xaa, 0x00, 0x08, 0xaa, 0x03, 0xaa, 0x00, 0x68,
+ SKIP, SKIP, 0x04, 0x54, 0x07, 0x2b, 0x09, 0x0f,
+ 0x09, 0x00, SKIP, SKIP, 0x07, 0x00, 0x00, 0x62,
+ 0x08, SKIP, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x03, 0xa0, 0x01, 0xf4, SKIP,
+ SKIP, 0x00, 0x08, SKIP, 0x03, SKIP, 0x00, 0x68,
0xca, 0x10, 0x06, 0x78, 0x00, 0x00, 0x00, 0x00,
0x23, 0x28, 0x04, 0x11, 0x00, 0x00
};
-static void reg_w_buf(struct gspca_dev *gspca_dev,
+static int reg_w_buf(struct gspca_dev *gspca_dev,
__u8 index,
const char *buffer, int len)
{
+ int ret;
+
memcpy(gspca_dev->usb_buf, buffer, len);
- usb_control_msg(gspca_dev->dev,
+ ret = usb_control_msg(gspca_dev->dev,
usb_sndctrlpipe(gspca_dev->dev, 0),
1, /* request */
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
0, /* value */
index, gspca_dev->usb_buf, len,
500);
+ if (ret < 0)
+ PDEBUG(D_ERR, "reg_w_buf(): "
+ "Failed to write registers to index 0x%x, error %i",
+ index, ret);
+ return ret;
}
-static void reg_w(struct gspca_dev *gspca_dev,
+static int reg_w(struct gspca_dev *gspca_dev,
__u8 index,
__u8 value)
{
+ int ret;
+
gspca_dev->usb_buf[0] = value;
- usb_control_msg(gspca_dev->dev,
+ ret = usb_control_msg(gspca_dev->dev,
usb_sndctrlpipe(gspca_dev->dev, 0),
0, /* request */
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
0, index, gspca_dev->usb_buf, 1,
500);
+ if (ret < 0)
+ PDEBUG(D_ERR, "reg_w(): "
+ "Failed to write register to index 0x%x, value 0x%x, error %i",
+ index, value, ret);
+ return ret;
}
-static void reg_w_seq(struct gspca_dev *gspca_dev,
+static int reg_w_seq(struct gspca_dev *gspca_dev,
const __u8 *seq, int len)
{
+ int ret = 0;
while (--len >= 0) {
- reg_w(gspca_dev, seq[0], seq[1]);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, seq[0], seq[1]);
seq += 2;
}
+ return ret;
}
/* load the beginning of a page */
-static void reg_w_page(struct gspca_dev *gspca_dev,
+static int reg_w_page(struct gspca_dev *gspca_dev,
const __u8 *page, int len)
{
int index;
+ int ret = 0;
for (index = 0; index < len; index++) {
- if (page[index] == 0xaa) /* skip this index */
+ if (page[index] == SKIP) /* skip this index */
continue;
gspca_dev->usb_buf[0] = page[index];
- usb_control_msg(gspca_dev->dev,
+ ret = usb_control_msg(gspca_dev->dev,
usb_sndctrlpipe(gspca_dev->dev, 0),
0, /* request */
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
0, index, gspca_dev->usb_buf, 1,
500);
+ if (ret < 0) {
+ PDEBUG(D_ERR, "reg_w_page(): "
+ "Failed to write register to index 0x%x, "
+ "value 0x%x, error %i",
+ index, page[index], ret);
+ break;
+ }
}
+ return ret;
}
/* output a variable sequence */
-static void reg_w_var(struct gspca_dev *gspca_dev,
- const __u8 *seq)
+static int reg_w_var(struct gspca_dev *gspca_dev,
+ const __u8 *seq,
+ const __u8 *page3, unsigned int page3_len,
+ const __u8 *page4, unsigned int page4_len)
{
int index, len;
+ int ret = 0;
for (;;) {
index = *seq++;
len = *seq++;
switch (len) {
- case 0:
- return;
- case 254:
- reg_w_page(gspca_dev, page4_7311, sizeof page4_7311);
+ case END_OF_SEQUENCE:
+ return ret;
+ case LOAD_PAGE4:
+ ret = reg_w_page(gspca_dev, page4, page4_len);
break;
- case 255:
- reg_w_page(gspca_dev, page3_7302, sizeof page3_7302);
+ case LOAD_PAGE3:
+ ret = reg_w_page(gspca_dev, page3, page3_len);
break;
default:
- if (len > 64) {
+ if (len > USB_BUF_SZ) {
PDEBUG(D_ERR|D_STREAM,
"Incorrect variable sequence");
- return;
+ return -EINVAL;
}
while (len > 0) {
if (len < 8) {
- reg_w_buf(gspca_dev, index, seq, len);
+ ret = reg_w_buf(gspca_dev,
+ index, seq, len);
+ if (ret < 0)
+ return ret;
seq += len;
break;
}
- reg_w_buf(gspca_dev, index, seq, 8);
+ ret = reg_w_buf(gspca_dev, index, seq, 8);
seq += 8;
index += 8;
len -= 8;
}
}
+ if (ret < 0)
+ return ret;
}
/* not reached */
}
-/* this function is called at probe time */
+/* this function is called at probe time for pac7311 */
static int sd_config(struct gspca_dev *gspca_dev,
const struct usb_device_id *id)
{
@@ -499,22 +398,11 @@ static int sd_config(struct gspca_dev *gspca_dev,
cam = &gspca_dev->cam;
- sd->sensor = id->driver_info;
- if (sd->sensor == SENSOR_PAC7302) {
- PDEBUG(D_CONF, "Find Sensor PAC7302");
- cam->cam_mode = &vga_mode[2]; /* only 640x480 */
- cam->nmodes = 1;
- } else {
- PDEBUG(D_CONF, "Find Sensor PAC7311");
- cam->cam_mode = vga_mode;
- cam->nmodes = ARRAY_SIZE(vga_mode);
- gspca_dev->ctrl_dis = (1 << BRIGHTNESS_IDX)
- | (1 << SATURATION_IDX);
- }
+ PDEBUG(D_CONF, "Find Sensor PAC7311");
+ cam->cam_mode = vga_mode;
+ cam->nmodes = ARRAY_SIZE(vga_mode);
- sd->brightness = BRIGHTNESS_DEF;
sd->contrast = CONTRAST_DEF;
- sd->colors = COLOR_DEF;
sd->gain = GAIN_DEF;
sd->exposure = EXPOSURE_DEF;
sd->autogain = AUTOGAIN_DEF;
@@ -523,91 +411,47 @@ static int sd_config(struct gspca_dev *gspca_dev,
return 0;
}
-/* This function is used by pac7302 only */
-static void setbrightcont(struct gspca_dev *gspca_dev)
-{
- struct sd *sd = (struct sd *) gspca_dev;
- int i, v;
- static const __u8 max[10] =
- {0x29, 0x33, 0x42, 0x5a, 0x6e, 0x80, 0x9f, 0xbb,
- 0xd4, 0xec};
- static const __u8 delta[10] =
- {0x35, 0x33, 0x33, 0x2f, 0x2a, 0x25, 0x1e, 0x17,
- 0x11, 0x0b};
-
- reg_w(gspca_dev, 0xff, 0x00); /* page 0 */
- for (i = 0; i < 10; i++) {
- v = max[i];
- v += (sd->brightness - BRIGHTNESS_MAX)
- * 150 / BRIGHTNESS_MAX; /* 200 ? */
- v -= delta[i] * sd->contrast / CONTRAST_MAX;
- if (v < 0)
- v = 0;
- else if (v > 0xff)
- v = 0xff;
- reg_w(gspca_dev, 0xa2 + i, v);
- }
- reg_w(gspca_dev, 0xdc, 0x01);
-}
-
/* This function is used by pac7311 only */
-static void setcontrast(struct gspca_dev *gspca_dev)
+static int setcontrast(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
+ int ret;
- reg_w(gspca_dev, 0xff, 0x04);
- reg_w(gspca_dev, 0x10, sd->contrast >> 4);
+ ret = reg_w(gspca_dev, 0xff, 0x04);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x10, sd->contrast >> 4);
/* load registers to sensor (Bit 0, auto clear) */
- reg_w(gspca_dev, 0x11, 0x01);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x11, 0x01);
+ return ret;
}
-/* This function is used by pac7302 only */
-static void setcolors(struct gspca_dev *gspca_dev)
+static int setgain(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
- int i, v;
- static const int a[9] =
- {217, -212, 0, -101, 170, -67, -38, -315, 355};
- static const int b[9] =
- {19, 106, 0, 19, 106, 1, 19, 106, 1};
-
- reg_w(gspca_dev, 0xff, 0x03); /* page 3 */
- reg_w(gspca_dev, 0x11, 0x01);
- reg_w(gspca_dev, 0xff, 0x00); /* page 0 */
- reg_w(gspca_dev, 0xff, 0x00); /* page 0 */
- for (i = 0; i < 9; i++) {
- v = a[i] * sd->colors / COLOR_MAX + b[i];
- reg_w(gspca_dev, 0x0f + 2 * i, (v >> 8) & 0x07);
- reg_w(gspca_dev, 0x0f + 2 * i + 1, v);
- }
- reg_w(gspca_dev, 0xdc, 0x01);
- PDEBUG(D_CONF|D_STREAM, "color: %i", sd->colors);
-}
+ int gain = GAIN_MAX - sd->gain;
+ int ret;
-static void setgain(struct gspca_dev *gspca_dev)
-{
- struct sd *sd = (struct sd *) gspca_dev;
+ if (gain < 1)
+ gain = 1;
+ else if (gain > 245)
+ gain = 245;
+ ret = reg_w(gspca_dev, 0xff, 0x04); /* page 4 */
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x0e, 0x00);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x0f, gain);
- if (sd->sensor == SENSOR_PAC7302) {
- reg_w(gspca_dev, 0xff, 0x03); /* page 3 */
- reg_w(gspca_dev, 0x10, sd->gain >> 3);
- } else {
- int gain = GAIN_MAX - sd->gain;
- if (gain < 1)
- gain = 1;
- else if (gain > 245)
- gain = 245;
- reg_w(gspca_dev, 0xff, 0x04); /* page 4 */
- reg_w(gspca_dev, 0x0e, 0x00);
- reg_w(gspca_dev, 0x0f, gain);
- }
/* load registers to sensor (Bit 0, auto clear) */
- reg_w(gspca_dev, 0x11, 0x01);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x11, 0x01);
+ return ret;
}
-static void setexposure(struct gspca_dev *gspca_dev)
+static int setexposure(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
+ int ret;
__u8 reg;
/* register 2 of frame 3/4 contains the clock divider configuring the
@@ -619,97 +463,94 @@ static void setexposure(struct gspca_dev *gspca_dev)
else if (reg > 63)
reg = 63;
- if (sd->sensor == SENSOR_PAC7302) {
- /* On the pac7302 reg2 MUST be a multiple of 3, so round it to
- the nearest multiple of 3, except when between 6 and 12? */
- if (reg < 6 || reg > 12)
- reg = ((reg + 1) / 3) * 3;
- reg_w(gspca_dev, 0xff, 0x03); /* page 3 */
- reg_w(gspca_dev, 0x02, reg);
+ ret = reg_w(gspca_dev, 0xff, 0x04); /* page 4 */
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x02, reg);
+ /* Page 1 register 8 must always be 0x08 except when not in
+ 640x480 mode and Page3/4 reg 2 <= 3 then it must be 9 */
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0xff, 0x01);
+ if (gspca_dev->cam.cam_mode[(int)gspca_dev->curr_mode].priv &&
+ reg <= 3) {
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x08, 0x09);
} else {
- reg_w(gspca_dev, 0xff, 0x04); /* page 4 */
- reg_w(gspca_dev, 0x02, reg);
- /* Page 1 register 8 must always be 0x08 except when not in
- 640x480 mode and Page3/4 reg 2 <= 3 then it must be 9 */
- reg_w(gspca_dev, 0xff, 0x01);
- if (gspca_dev->cam.cam_mode[(int)gspca_dev->curr_mode].priv &&
- reg <= 3)
- reg_w(gspca_dev, 0x08, 0x09);
- else
- reg_w(gspca_dev, 0x08, 0x08);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x08, 0x08);
}
+
/* load registers to sensor (Bit 0, auto clear) */
- reg_w(gspca_dev, 0x11, 0x01);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x11, 0x01);
+ return ret;
}
-static void sethvflip(struct gspca_dev *gspca_dev)
+static int sethvflip(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
+ int ret;
__u8 data;
- if (sd->sensor == SENSOR_PAC7302) {
- reg_w(gspca_dev, 0xff, 0x03); /* page 3 */
- data = (sd->hflip ? 0x08 : 0x00)
- | (sd->vflip ? 0x04 : 0x00);
- } else {
- reg_w(gspca_dev, 0xff, 0x04); /* page 4 */
- data = (sd->hflip ? 0x04 : 0x00)
- | (sd->vflip ? 0x08 : 0x00);
- }
- reg_w(gspca_dev, 0x21, data);
+ ret = reg_w(gspca_dev, 0xff, 0x04); /* page 4 */
+ data = (sd->hflip ? 0x04 : 0x00) | (sd->vflip ? 0x08 : 0x00);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x21, data);
/* load registers to sensor (Bit 0, auto clear) */
- reg_w(gspca_dev, 0x11, 0x01);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x11, 0x01);
+ return ret;
}
-/* this function is called at probe and resume time */
+/* this function is called at probe and resume time for pac7311 */
static int sd_init(struct gspca_dev *gspca_dev)
{
- struct sd *sd = (struct sd *) gspca_dev;
-
- if (sd->sensor == SENSOR_PAC7302)
- reg_w_seq(gspca_dev, init_7302, sizeof init_7302);
- else
- reg_w_seq(gspca_dev, init_7311, sizeof init_7311);
-
- return 0;
+ return reg_w_seq(gspca_dev, init_7311, sizeof(init_7311)/2);
}
static int sd_start(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
+ int ret;
sd->sof_read = 0;
- if (sd->sensor == SENSOR_PAC7302) {
- reg_w_var(gspca_dev, start_7302);
- setbrightcont(gspca_dev);
- setcolors(gspca_dev);
- } else {
- reg_w_var(gspca_dev, start_7311);
- setcontrast(gspca_dev);
- }
- setgain(gspca_dev);
- setexposure(gspca_dev);
- sethvflip(gspca_dev);
+ ret = reg_w_var(gspca_dev, start_7311,
+ NULL, 0,
+ page4_7311, sizeof(page4_7311));
+ if (0 <= ret)
+ ret = setcontrast(gspca_dev);
+ if (0 <= ret)
+ ret = setgain(gspca_dev);
+ if (0 <= ret)
+ ret = setexposure(gspca_dev);
+ if (0 <= ret)
+ ret = sethvflip(gspca_dev);
/* set correct resolution */
switch (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
case 2: /* 160x120 pac7311 */
- reg_w(gspca_dev, 0xff, 0x01);
- reg_w(gspca_dev, 0x17, 0x20);
- reg_w(gspca_dev, 0x87, 0x10);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0xff, 0x01);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x17, 0x20);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x87, 0x10);
break;
case 1: /* 320x240 pac7311 */
- reg_w(gspca_dev, 0xff, 0x01);
- reg_w(gspca_dev, 0x17, 0x30);
- reg_w(gspca_dev, 0x87, 0x11);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0xff, 0x01);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x17, 0x30);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x87, 0x11);
break;
case 0: /* 640x480 */
- if (sd->sensor == SENSOR_PAC7302)
- break;
- reg_w(gspca_dev, 0xff, 0x01);
- reg_w(gspca_dev, 0x17, 0x00);
- reg_w(gspca_dev, 0x87, 0x12);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0xff, 0x01);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x17, 0x00);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x87, 0x12);
break;
}
@@ -718,47 +559,42 @@ static int sd_start(struct gspca_dev *gspca_dev)
atomic_set(&sd->avg_lum, -1);
/* start stream */
- reg_w(gspca_dev, 0xff, 0x01);
- if (sd->sensor == SENSOR_PAC7302)
- reg_w(gspca_dev, 0x78, 0x01);
- else
- reg_w(gspca_dev, 0x78, 0x05);
- return 0;
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0xff, 0x01);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x78, 0x05);
+
+ return ret;
}
static void sd_stopN(struct gspca_dev *gspca_dev)
{
- struct sd *sd = (struct sd *) gspca_dev;
-
- if (sd->sensor == SENSOR_PAC7302) {
- reg_w(gspca_dev, 0xff, 0x01);
- reg_w(gspca_dev, 0x78, 0x00);
- reg_w(gspca_dev, 0x78, 0x00);
- return;
- }
- reg_w(gspca_dev, 0xff, 0x04);
- reg_w(gspca_dev, 0x27, 0x80);
- reg_w(gspca_dev, 0x28, 0xca);
- reg_w(gspca_dev, 0x29, 0x53);
- reg_w(gspca_dev, 0x2a, 0x0e);
- reg_w(gspca_dev, 0xff, 0x01);
- reg_w(gspca_dev, 0x3e, 0x20);
- reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_6=LED */
- reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_6=LED */
- reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_6=LED */
-}
+ int ret;
-/* called on streamoff with alt 0 and on disconnect */
+ ret = reg_w(gspca_dev, 0xff, 0x04);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x27, 0x80);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x28, 0xca);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x29, 0x53);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x2a, 0x0e);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0xff, 0x01);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x3e, 0x20);
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_6=LED */
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_6=LED */
+ if (0 <= ret)
+ ret = reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_6=LED */
+}
+
+/* called on streamoff with alt 0 and on disconnect for 7311 */
static void sd_stop0(struct gspca_dev *gspca_dev)
{
- struct sd *sd = (struct sd *) gspca_dev;
-
- if (!gspca_dev->present)
- return;
- if (sd->sensor == SENSOR_PAC7302) {
- reg_w(gspca_dev, 0xff, 0x01);
- reg_w(gspca_dev, 0x78, 0x40);
- }
}
/* Include pac common sof detection functions */
@@ -773,22 +609,8 @@ static void do_autogain(struct gspca_dev *gspca_dev)
if (avg_lum == -1)
return;
- if (sd->sensor == SENSOR_PAC7302) {
- desired_lum = 270 + sd->brightness * 4;
- /* Hack hack, with the 7202 the first exposure step is
- pretty large, so if we're about to make the first
- exposure increase make the deadzone large to avoid
- oscilating */
- if (desired_lum > avg_lum && sd->gain == GAIN_DEF &&
- sd->exposure > EXPOSURE_DEF &&
- sd->exposure < 42)
- deadzone = 90;
- else
- deadzone = 30;
- } else {
- desired_lum = 200;
- deadzone = 20;
- }
+ desired_lum = 200;
+ deadzone = 20;
if (sd->autogain_ignore_frames > 0)
sd->autogain_ignore_frames--;
@@ -797,53 +619,92 @@ static void do_autogain(struct gspca_dev *gspca_dev)
sd->autogain_ignore_frames = PAC_AUTOGAIN_IGNORE_FRAMES;
}
-static const unsigned char pac7311_jpeg_header1[] = {
- 0xff, 0xd8, 0xff, 0xc0, 0x00, 0x11, 0x08
+/* JPEG header, part 1 */
+static const unsigned char pac_jpeg_header1[] = {
+ 0xff, 0xd8, /* SOI: Start of Image */
+
+ 0xff, 0xc0, /* SOF0: Start of Frame (Baseline DCT) */
+ 0x00, 0x11, /* length = 17 bytes (including this length field) */
+ 0x08 /* Precision: 8 */
+ /* 2 bytes is placed here: number of image lines */
+ /* 2 bytes is placed here: samples per line */
};
-static const unsigned char pac7311_jpeg_header2[] = {
- 0x03, 0x01, 0x21, 0x00, 0x02, 0x11, 0x01, 0x03, 0x11, 0x01, 0xff, 0xda,
- 0x00, 0x0c, 0x03, 0x01, 0x00, 0x02, 0x11, 0x03, 0x11, 0x00, 0x3f, 0x00
+/* JPEG header, continued */
+static const unsigned char pac_jpeg_header2[] = {
+ 0x03, /* Number of image components: 3 */
+ 0x01, 0x21, 0x00, /* ID=1, Subsampling 1x1, Quantization table: 0 */
+ 0x02, 0x11, 0x01, /* ID=2, Subsampling 2x1, Quantization table: 1 */
+ 0x03, 0x11, 0x01, /* ID=3, Subsampling 2x1, Quantization table: 1 */
+
+ 0xff, 0xda, /* SOS: Start Of Scan */
+ 0x00, 0x0c, /* length = 12 bytes (including this length field) */
+ 0x03, /* number of components: 3 */
+ 0x01, 0x00, /* selector 1, table 0x00 */
+ 0x02, 0x11, /* selector 2, table 0x11 */
+ 0x03, 0x11, /* selector 3, table 0x11 */
+ 0x00, 0x3f, /* Spectral selection: 0 .. 63 */
+ 0x00 /* Successive approximation: 0 */
};
+static void pac_start_frame(struct gspca_dev *gspca_dev,
+ struct gspca_frame *frame,
+ __u16 lines, __u16 samples_per_line)
+{
+ unsigned char tmpbuf[4];
+
+ gspca_frame_add(gspca_dev, FIRST_PACKET,
+ pac_jpeg_header1, sizeof(pac_jpeg_header1));
+
+ tmpbuf[0] = lines >> 8;
+ tmpbuf[1] = lines & 0xff;
+ tmpbuf[2] = samples_per_line >> 8;
+ tmpbuf[3] = samples_per_line & 0xff;
+
+ gspca_frame_add(gspca_dev, INTER_PACKET,
+ tmpbuf, sizeof(tmpbuf));
+ gspca_frame_add(gspca_dev, INTER_PACKET,
+ pac_jpeg_header2, sizeof(pac_jpeg_header2));
+}
+
/* this function is run at interrupt level */
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
- struct gspca_frame *frame, /* target */
- __u8 *data, /* isoc packet */
+ u8 *data, /* isoc packet */
int len) /* iso packet length */
{
struct sd *sd = (struct sd *) gspca_dev;
unsigned char *sof;
+ struct gspca_frame *frame;
- sof = pac_find_sof(gspca_dev, data, len);
+ sof = pac_find_sof(&sd->sof_read, data, len);
if (sof) {
- unsigned char tmpbuf[4];
int n, lum_offset, footer_length;
- if (sd->sensor == SENSOR_PAC7302) {
- /* 6 bytes after the FF D9 EOF marker a number of lumination
- bytes are send corresponding to different parts of the
- image, the 14th and 15th byte after the EOF seem to
- correspond to the center of the image */
- lum_offset = 61 + sizeof pac_sof_marker;
- footer_length = 74;
- } else {
- lum_offset = 24 + sizeof pac_sof_marker;
- footer_length = 26;
+ frame = gspca_get_i_frame(gspca_dev);
+ if (frame == NULL) {
+ gspca_dev->last_packet_type = DISCARD_PACKET;
+ return;
}
+ /* 6 bytes after the FF D9 EOF marker a number of lumination
+ bytes are send corresponding to different parts of the
+ image, the 14th and 15th byte after the EOF seem to
+ correspond to the center of the image */
+ lum_offset = 24 + sizeof pac_sof_marker;
+ footer_length = 26;
+
/* Finish decoding current frame */
n = (sof - data) - (footer_length + sizeof pac_sof_marker);
if (n < 0) {
frame->data_end += n;
n = 0;
}
- frame = gspca_frame_add(gspca_dev, INTER_PACKET, frame,
+ gspca_frame_add(gspca_dev, INTER_PACKET,
data, n);
if (gspca_dev->last_packet_type != DISCARD_PACKET &&
frame->data_end[-2] == 0xff &&
frame->data_end[-1] == 0xd9)
- frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
+ gspca_frame_add(gspca_dev, LAST_PACKET,
NULL, 0);
n = sof - data;
@@ -859,43 +720,10 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
atomic_set(&sd->avg_lum, -1);
/* Start the new frame with the jpeg header */
- gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
- pac7311_jpeg_header1, sizeof(pac7311_jpeg_header1));
- if (sd->sensor == SENSOR_PAC7302) {
- /* The PAC7302 has the image rotated 90 degrees */
- tmpbuf[0] = gspca_dev->width >> 8;
- tmpbuf[1] = gspca_dev->width & 0xff;
- tmpbuf[2] = gspca_dev->height >> 8;
- tmpbuf[3] = gspca_dev->height & 0xff;
- } else {
- tmpbuf[0] = gspca_dev->height >> 8;
- tmpbuf[1] = gspca_dev->height & 0xff;
- tmpbuf[2] = gspca_dev->width >> 8;
- tmpbuf[3] = gspca_dev->width & 0xff;
- }
- gspca_frame_add(gspca_dev, INTER_PACKET, frame, tmpbuf, 4);
- gspca_frame_add(gspca_dev, INTER_PACKET, frame,
- pac7311_jpeg_header2, sizeof(pac7311_jpeg_header2));
+ pac_start_frame(gspca_dev, frame,
+ gspca_dev->height, gspca_dev->width);
}
- gspca_frame_add(gspca_dev, INTER_PACKET, frame, 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)
- setbrightcont(gspca_dev);
- return 0;
-}
-
-static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
-
- *val = sd->brightness;
- return 0;
+ gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
}
static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
@@ -904,10 +732,7 @@ static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
sd->contrast = val;
if (gspca_dev->streaming) {
- if (sd->sensor == SENSOR_PAC7302)
- setbrightcont(gspca_dev);
- else
- setcontrast(gspca_dev);
+ setcontrast(gspca_dev);
}
return 0;
}
@@ -920,24 +745,6 @@ static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
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 0;
-}
-
-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_setgain(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
@@ -1041,7 +848,7 @@ static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val)
return 0;
}
-/* sub-driver description */
+/* sub-driver description for pac7311 */
static struct sd_desc sd_desc = {
.name = MODULE_NAME,
.ctrls = sd_ctrls,
@@ -1056,28 +863,19 @@ static struct sd_desc sd_desc = {
};
/* -- module initialisation -- */
-static __devinitdata struct usb_device_id device_table[] = {
- {USB_DEVICE(0x06f8, 0x3009), .driver_info = SENSOR_PAC7302},
- {USB_DEVICE(0x093a, 0x2600), .driver_info = SENSOR_PAC7311},
- {USB_DEVICE(0x093a, 0x2601), .driver_info = SENSOR_PAC7311},
- {USB_DEVICE(0x093a, 0x2603), .driver_info = SENSOR_PAC7311},
- {USB_DEVICE(0x093a, 0x2608), .driver_info = SENSOR_PAC7311},
- {USB_DEVICE(0x093a, 0x260e), .driver_info = SENSOR_PAC7311},
- {USB_DEVICE(0x093a, 0x260f), .driver_info = SENSOR_PAC7311},
- {USB_DEVICE(0x093a, 0x2620), .driver_info = SENSOR_PAC7302},
- {USB_DEVICE(0x093a, 0x2621), .driver_info = SENSOR_PAC7302},
- {USB_DEVICE(0x093a, 0x2622), .driver_info = SENSOR_PAC7302},
- {USB_DEVICE(0x093a, 0x2624), .driver_info = SENSOR_PAC7302},
- {USB_DEVICE(0x093a, 0x2626), .driver_info = SENSOR_PAC7302},
- {USB_DEVICE(0x093a, 0x2629), .driver_info = SENSOR_PAC7302},
- {USB_DEVICE(0x093a, 0x262a), .driver_info = SENSOR_PAC7302},
- {USB_DEVICE(0x093a, 0x262c), .driver_info = SENSOR_PAC7302},
+static const struct usb_device_id device_table[] __devinitconst = {
+ {USB_DEVICE(0x093a, 0x2600)},
+ {USB_DEVICE(0x093a, 0x2601)},
+ {USB_DEVICE(0x093a, 0x2603)},
+ {USB_DEVICE(0x093a, 0x2608)},
+ {USB_DEVICE(0x093a, 0x260e)},
+ {USB_DEVICE(0x093a, 0x260f)},
{}
};
MODULE_DEVICE_TABLE(usb, device_table);
/* -- device connect -- */
-static int sd_probe(struct usb_interface *intf,
+static int __devinit sd_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.