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-rw-r--r--drivers/media/video/gspca/ov519.c214
-rw-r--r--include/linux/videodev2.h3
2 files changed, 207 insertions, 10 deletions
diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c
index 188866ac6ce..baa488dd33d 100644
--- a/drivers/media/video/gspca/ov519.c
+++ b/drivers/media/video/gspca/ov519.c
@@ -65,6 +65,8 @@ struct sd {
__u8 colors;
__u8 hflip;
__u8 vflip;
+ __u8 autobrightness;
+ __u8 freq;
__u8 stopped; /* Streaming is temporarily paused */
@@ -94,11 +96,17 @@ 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 int sd_setautobrightness(struct gspca_dev *gspca_dev, __s32 val);
+static int sd_getautobrightness(struct gspca_dev *gspca_dev, __s32 *val);
+static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val);
+static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val);
static void setbrightness(struct gspca_dev *gspca_dev);
static void setcontrast(struct gspca_dev *gspca_dev);
static void setcolors(struct gspca_dev *gspca_dev);
+static void setautobrightness(struct sd *sd);
+static void setfreq(struct sd *sd);
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
{
{
.id = V4L2_CID_BRIGHTNESS,
@@ -141,7 +149,7 @@ static struct ctrl sd_ctrls[] = {
.set = sd_setcolors,
.get = sd_getcolors,
},
-/* next controls work with ov7670 only */
+/* The flip controls work with ov7670 only */
#define HFLIP_IDX 3
{
{
@@ -172,6 +180,51 @@ static struct ctrl sd_ctrls[] = {
.set = sd_setvflip,
.get = sd_getvflip,
},
+#define AUTOBRIGHT_IDX 5
+ {
+ {
+ .id = V4L2_CID_AUTOBRIGHTNESS,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "Auto Brightness",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+#define AUTOBRIGHT_DEF 1
+ .default_value = AUTOBRIGHT_DEF,
+ },
+ .set = sd_setautobrightness,
+ .get = sd_getautobrightness,
+ },
+#define FREQ_IDX 6
+ {
+ {
+ .id = V4L2_CID_POWER_LINE_FREQUENCY,
+ .type = V4L2_CTRL_TYPE_MENU,
+ .name = "Light frequency filter",
+ .minimum = 0,
+ .maximum = 2, /* 0: 0, 1: 50Hz, 2:60Hz */
+ .step = 1,
+#define FREQ_DEF 0
+ .default_value = FREQ_DEF,
+ },
+ .set = sd_setfreq,
+ .get = sd_getfreq,
+ },
+#define OV7670_FREQ_IDX 7
+ {
+ {
+ .id = V4L2_CID_POWER_LINE_FREQUENCY,
+ .type = V4L2_CTRL_TYPE_MENU,
+ .name = "Light frequency filter",
+ .minimum = 0,
+ .maximum = 3, /* 0: 0, 1: 50Hz, 2:60Hz 3: Auto Hz */
+ .step = 1,
+#define OV7670_FREQ_DEF 3
+ .default_value = OV7670_FREQ_DEF,
+ },
+ .set = sd_setfreq,
+ .get = sd_getfreq,
+ },
};
static const struct v4l2_pix_format ov519_vga_mode[] = {
@@ -416,7 +469,7 @@ static const struct ov_i2c_regvals norm_6x30[] = {
{ 0x07, 0x2d }, /* Sharpness */
{ 0x0c, 0x20 },
{ 0x0d, 0x20 },
- { 0x0e, 0x20 },
+ { 0x0e, 0xa0 }, /* Was 0x20, bit7 enables a 2x gain which we need */
{ 0x0f, 0x05 },
{ 0x10, 0x9a },
{ 0x11, 0x00 }, /* Pixel clock = fastest */
@@ -1659,9 +1712,21 @@ static int sd_config(struct gspca_dev *gspca_dev,
sd->colors = COLOR_DEF;
sd->hflip = HFLIP_DEF;
sd->vflip = VFLIP_DEF;
- if (sd->sensor != SEN_OV7670)
- gspca_dev->ctrl_dis = (1 << HFLIP_IDX)
- | (1 << VFLIP_IDX);
+ sd->autobrightness = AUTOBRIGHT_DEF;
+ if (sd->sensor == SEN_OV7670) {
+ sd->freq = OV7670_FREQ_DEF;
+ gspca_dev->ctrl_dis = 1 << FREQ_IDX;
+ } else {
+ sd->freq = FREQ_DEF;
+ gspca_dev->ctrl_dis = (1 << HFLIP_IDX) | (1 << VFLIP_IDX) |
+ (1 << OV7670_FREQ_IDX);
+ }
+ if (sd->sensor == SEN_OV7640 || sd->sensor == SEN_OV7670)
+ gspca_dev->ctrl_dis |= 1 << AUTOBRIGHT_IDX;
+ /* OV8610 Frequency filter control should work but needs testing */
+ if (sd->sensor == SEN_OV8610)
+ gspca_dev->ctrl_dis |= 1 << FREQ_IDX;
+
return 0;
error:
PDEBUG(D_ERR, "OV519 Config failed");
@@ -2233,7 +2298,6 @@ static int set_ov_sensor_window(struct sd *sd)
msleep(10); /* need to sleep between read and write to
* same reg! */
i2c_w(sd, OV7670_REG_VREF, v);
- sethvflip(sd);
} else {
i2c_w(sd, 0x17, hwsbase);
i2c_w(sd, 0x18, hwebase + (sd->gspca_dev.width >> hwscale));
@@ -2268,6 +2332,9 @@ static int sd_start(struct gspca_dev *gspca_dev)
setcontrast(gspca_dev);
setbrightness(gspca_dev);
setcolors(gspca_dev);
+ sethvflip(sd);
+ setautobrightness(sd);
+ setfreq(sd);
ret = ov51x_restart(sd);
if (ret < 0)
@@ -2394,8 +2461,7 @@ static void setbrightness(struct gspca_dev *gspca_dev)
break;
case SEN_OV7620:
/* 7620 doesn't like manual changes when in auto mode */
-/*fixme
- * if (!sd->auto_brt) */
+ if (!sd->autobrightness)
i2c_w(sd, OV7610_REG_BRT, val);
break;
case SEN_OV7670:
@@ -2482,6 +2548,70 @@ static void setcolors(struct gspca_dev *gspca_dev)
}
}
+static void setautobrightness(struct sd *sd)
+{
+ if (sd->sensor == SEN_OV7640 || sd->sensor == SEN_OV7670)
+ return;
+
+ i2c_w_mask(sd, 0x2d, sd->autobrightness ? 0x10 : 0x00, 0x10);
+}
+
+static void setfreq(struct sd *sd)
+{
+ if (sd->sensor == SEN_OV7670) {
+ switch (sd->freq) {
+ case 0: /* Banding filter disabled */
+ i2c_w_mask(sd, OV7670_REG_COM8, 0, OV7670_COM8_BFILT);
+ break;
+ case 1: /* 50 hz */
+ i2c_w_mask(sd, OV7670_REG_COM8, OV7670_COM8_BFILT,
+ OV7670_COM8_BFILT);
+ i2c_w_mask(sd, OV7670_REG_COM11, 0x08, 0x18);
+ break;
+ case 2: /* 60 hz */
+ i2c_w_mask(sd, OV7670_REG_COM8, OV7670_COM8_BFILT,
+ OV7670_COM8_BFILT);
+ i2c_w_mask(sd, OV7670_REG_COM11, 0x00, 0x18);
+ break;
+ case 3: /* Auto hz */
+ i2c_w_mask(sd, OV7670_REG_COM8, OV7670_COM8_BFILT,
+ OV7670_COM8_BFILT);
+ i2c_w_mask(sd, OV7670_REG_COM11, OV7670_COM11_HZAUTO,
+ 0x18);
+ break;
+ }
+ } else {
+ switch (sd->freq) {
+ case 0: /* Banding filter disabled */
+ i2c_w_mask(sd, 0x2d, 0x00, 0x04);
+ i2c_w_mask(sd, 0x2a, 0x00, 0x80);
+ break;
+ case 1: /* 50 hz (filter on and framerate adj) */
+ i2c_w_mask(sd, 0x2d, 0x04, 0x04);
+ i2c_w_mask(sd, 0x2a, 0x80, 0x80);
+ /* 20 fps -> 16.667 fps */
+ if (sd->sensor == SEN_OV6620 ||
+ sd->sensor == SEN_OV6630)
+ i2c_w(sd, 0x2b, 0x5e);
+ else
+ i2c_w(sd, 0x2b, 0xac);
+ break;
+ case 2: /* 60 hz (filter on, ...) */
+ i2c_w_mask(sd, 0x2d, 0x04, 0x04);
+ if (sd->sensor == SEN_OV6620 ||
+ sd->sensor == SEN_OV6630) {
+ /* 20 fps -> 15 fps */
+ i2c_w_mask(sd, 0x2a, 0x80, 0x80);
+ i2c_w(sd, 0x2b, 0xa8);
+ } else {
+ /* no framerate adj. */
+ i2c_w_mask(sd, 0x2a, 0x00, 0x80);
+ }
+ break;
+ }
+ }
+}
+
static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
@@ -2572,6 +2702,71 @@ static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val)
return 0;
}
+static int sd_setautobrightness(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ sd->autobrightness = val;
+ if (gspca_dev->streaming)
+ setautobrightness(sd);
+ return 0;
+}
+
+static int sd_getautobrightness(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ *val = sd->autobrightness;
+ return 0;
+}
+
+static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ sd->freq = val;
+ if (gspca_dev->streaming)
+ setfreq(sd);
+ return 0;
+}
+
+static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ *val = sd->freq;
+ return 0;
+}
+
+static int sd_querymenu(struct gspca_dev *gspca_dev,
+ struct v4l2_querymenu *menu)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ switch (menu->id) {
+ case V4L2_CID_POWER_LINE_FREQUENCY:
+ switch (menu->index) {
+ case 0: /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */
+ strcpy((char *) menu->name, "NoFliker");
+ return 0;
+ case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */
+ strcpy((char *) menu->name, "50 Hz");
+ return 0;
+ case 2: /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */
+ strcpy((char *) menu->name, "60 Hz");
+ return 0;
+ case 3:
+ if (sd->sensor != SEN_OV7670)
+ return -EINVAL;
+
+ strcpy((char *) menu->name, "Automatic");
+ return 0;
+ }
+ break;
+ }
+ return -EINVAL;
+}
+
/* sub-driver description */
static const struct sd_desc sd_desc = {
.name = MODULE_NAME,
@@ -2582,6 +2777,7 @@ static const struct sd_desc sd_desc = {
.start = sd_start,
.stopN = sd_stopN,
.pkt_scan = sd_pkt_scan,
+ .querymenu = sd_querymenu,
};
/* -- module initialisation -- */
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index f24eceecc5a..772d226cb5c 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -894,9 +894,10 @@ enum v4l2_colorfx {
V4L2_COLORFX_BW = 1,
V4L2_COLORFX_SEPIA = 2,
};
+#define V4L2_CID_AUTOBRIGHTNESS (V4L2_CID_BASE+32)
/* last CID + 1 */
-#define V4L2_CID_LASTP1 (V4L2_CID_BASE+32)
+#define V4L2_CID_LASTP1 (V4L2_CID_BASE+33)
/* MPEG-class control IDs defined by V4L2 */
#define V4L2_CID_MPEG_BASE (V4L2_CTRL_CLASS_MPEG | 0x900)
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-20 07:17:06 +0000