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Diffstat (limited to 'linux/drivers/media/video/gspca/pac7311.c')
-rw-r--r--linux/drivers/media/video/gspca/pac7311.c150
1 files changed, 142 insertions, 8 deletions
diff --git a/linux/drivers/media/video/gspca/pac7311.c b/linux/drivers/media/video/gspca/pac7311.c
index c148d1003..795c536e4 100644
--- a/linux/drivers/media/video/gspca/pac7311.c
+++ b/linux/drivers/media/video/gspca/pac7311.c
@@ -40,6 +40,8 @@ struct sd {
unsigned char contrast;
unsigned char colors;
unsigned char autogain;
+ __u8 hflip;
+ __u8 vflip;
char tosof; /* number of bytes before next start of frame */
signed char ag_cnt;
@@ -59,6 +61,10 @@ 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);
+static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val);
+static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val);
+static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val);
static struct ctrl sd_ctrls[] = {
{
@@ -82,9 +88,10 @@ static struct ctrl sd_ctrls[] = {
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Contrast",
.minimum = 0,
- .maximum = 255,
+#define CONTRAST_MAX 255
+ .maximum = CONTRAST_MAX,
.step = 1,
-#define CONTRAST_DEF 127
+#define CONTRAST_DEF 60
.default_value = CONTRAST_DEF,
},
.set = sd_setcontrast,
@@ -94,9 +101,10 @@ static struct ctrl sd_ctrls[] = {
{
.id = V4L2_CID_SATURATION,
.type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Color",
+ .name = "Saturation",
.minimum = 0,
- .maximum = 255,
+#define COLOR_MAX 255
+ .maximum = COLOR_MAX,
.step = 1,
#define COLOR_DEF 127
.default_value = COLOR_DEF,
@@ -118,6 +126,35 @@ static struct ctrl sd_ctrls[] = {
.set = sd_setautogain,
.get = sd_getautogain,
},
+/* next controls work with pac7302 only */
+ {
+ {
+ .id = V4L2_CID_HFLIP,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "Mirror",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+#define HFLIP_DEF 0
+ .default_value = HFLIP_DEF,
+ },
+ .set = sd_sethflip,
+ .get = sd_gethflip,
+ },
+ {
+ {
+ .id = V4L2_CID_VFLIP,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "Vflip",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+#define VFLIP_DEF 0
+ .default_value = VFLIP_DEF,
+ },
+ .set = sd_setvflip,
+ .get = sd_getvflip,
+ },
};
static struct v4l2_pix_format vga_mode[] = {
@@ -429,13 +466,42 @@ static int sd_config(struct gspca_dev *gspca_dev,
return 0;
}
+/* rev 12a 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);
+}
+
static void setbrightness(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
int brightness;
- if (sd->sensor == SENSOR_PAC7302)
+ if (sd->sensor == SENSOR_PAC7302) {
+ setbrightcont(gspca_dev);
return;
+ }
/*jfm: inverted?*/
brightness = BRIGHTNESS_MAX - sd->brightness;
reg_w(gspca_dev, 0xff, 0x04);
@@ -449,21 +515,39 @@ static void setcontrast(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
- if (sd->sensor == SENSOR_PAC7302)
+ if (sd->sensor == SENSOR_PAC7302) {
+ setbrightcont(gspca_dev);
return;
+ }
reg_w(gspca_dev, 0xff, 0x01);
reg_w(gspca_dev, 0x80, sd->contrast);
/* load registers to sensor (Bit 0, auto clear) */
reg_w(gspca_dev, 0x11, 0x01);
- PDEBUG(D_CONF|D_STREAM, "contrast: %i", sd->contrast);
}
static void setcolors(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
- if (sd->sensor == SENSOR_PAC7302)
+ if (sd->sensor == SENSOR_PAC7302) {
+ 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);
return;
+ }
reg_w(gspca_dev, 0xff, 0x01);
reg_w(gspca_dev, 0x10, sd->colors);
/* load registers to sensor (Bit 0, auto clear) */
@@ -483,6 +567,19 @@ static void setautogain(struct gspca_dev *gspca_dev)
}
}
+/* this function is used by pac7302 only */
+static void sethvflip(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ __u8 data;
+
+ reg_w(gspca_dev, 0xff, 0x03); /* page 3 */
+ data = (sd->hflip ? 0x00 : 0x08)
+ | (sd->vflip ? 0x04 : 0x00);
+ reg_w(gspca_dev, 0x21, data);
+ reg_w(gspca_dev, 0x11, 0x01);
+}
+
/* this function is called at open time */
static int sd_open(struct gspca_dev *gspca_dev)
{
@@ -543,6 +640,7 @@ static void sd_start(struct gspca_dev *gspca_dev)
/* start stream */
reg_w(gspca_dev, 0xff, 0x01);
if (sd->sensor == SENSOR_PAC7302) {
+ sethvflip(gspca_dev);
reg_w(gspca_dev, 0x78, 0x01);
reg_w(gspca_dev, 0xff, 0x01);
reg_w(gspca_dev, 0x78, 0x01);
@@ -798,6 +896,42 @@ static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
return 0;
}
+static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ sd->hflip = val;
+ if (gspca_dev->streaming)
+ sethvflip(gspca_dev);
+ return 0;
+}
+
+static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ *val = sd->hflip;
+ return 0;
+}
+
+static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ sd->vflip = val;
+ if (gspca_dev->streaming)
+ sethvflip(gspca_dev);
+ return 0;
+}
+
+static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ *val = sd->vflip;
+ return 0;
+}
+
/* sub-driver description */
static struct sd_desc sd_desc = {
.name = MODULE_NAME,
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-01 23:51:53 +0000