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-rw-r--r--drivers/media/video/mt9m001.c15
-rw-r--r--drivers/media/video/mt9m111.c6
-rw-r--r--drivers/media/video/mt9v022.c3
-rw-r--r--drivers/media/video/ov772x.c10
-rw-r--r--drivers/media/video/soc_camera.c34
-rw-r--r--include/media/soc_camera.h11
6 files changed, 65 insertions, 14 deletions
diff --git a/drivers/media/video/mt9m001.c b/drivers/media/video/mt9m001.c
index a7f0e69..b58f0f85 100644
--- a/drivers/media/video/mt9m001.c
+++ b/drivers/media/video/mt9m001.c
@@ -272,17 +272,16 @@ static int mt9m001_set_bus_param(struct soc_camera_device *icd,
static unsigned long mt9m001_query_bus_param(struct soc_camera_device *icd)
{
struct mt9m001 *mt9m001 = container_of(icd, struct mt9m001, icd);
- unsigned int width_flag = SOCAM_DATAWIDTH_10;
+ struct soc_camera_link *icl = mt9m001->client->dev.platform_data;
+ /* MT9M001 has all capture_format parameters fixed */
+ unsigned long flags = SOCAM_DATAWIDTH_10 | SOCAM_PCLK_SAMPLE_RISING |
+ SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_HIGH |
+ SOCAM_MASTER;
if (bus_switch_possible(mt9m001))
- width_flag |= SOCAM_DATAWIDTH_8;
+ flags |= SOCAM_DATAWIDTH_8;
- /* MT9M001 has all capture_format parameters fixed */
- return SOCAM_PCLK_SAMPLE_RISING |
- SOCAM_HSYNC_ACTIVE_HIGH |
- SOCAM_VSYNC_ACTIVE_HIGH |
- SOCAM_MASTER |
- width_flag;
+ return soc_camera_apply_sensor_flags(icl, flags);
}
static int mt9m001_set_fmt(struct soc_camera_device *icd,
diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c
index b4a238f..b0e6046 100644
--- a/drivers/media/video/mt9m111.c
+++ b/drivers/media/video/mt9m111.c
@@ -415,9 +415,13 @@ static int mt9m111_stop_capture(struct soc_camera_device *icd)
static unsigned long mt9m111_query_bus_param(struct soc_camera_device *icd)
{
- return SOCAM_MASTER | SOCAM_PCLK_SAMPLE_RISING |
+ struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd);
+ struct soc_camera_link *icl = mt9m111->client->dev.platform_data;
+ unsigned long flags = SOCAM_MASTER | SOCAM_PCLK_SAMPLE_RISING |
SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_HIGH |
SOCAM_DATAWIDTH_8;
+
+ return soc_camera_apply_sensor_flags(icl, flags);
}
static int mt9m111_set_bus_param(struct soc_camera_device *icd, unsigned long f)
diff --git a/drivers/media/video/mt9v022.c b/drivers/media/video/mt9v022.c
index 82e1a33..3b3a6a0 100644
--- a/drivers/media/video/mt9v022.c
+++ b/drivers/media/video/mt9v022.c
@@ -273,6 +273,7 @@ static int mt9v022_set_bus_param(struct soc_camera_device *icd,
unsigned long flags)
{
struct mt9v022 *mt9v022 = container_of(icd, struct mt9v022, icd);
+ struct soc_camera_link *icl = mt9v022->client->dev.platform_data;
unsigned int width_flag = flags & SOCAM_DATAWIDTH_MASK;
int ret;
u16 pixclk = 0;
@@ -296,6 +297,8 @@ static int mt9v022_set_bus_param(struct soc_camera_device *icd,
mt9v022->datawidth = width_flag == SOCAM_DATAWIDTH_8 ? 8 : 10;
}
+ flags = soc_camera_apply_sensor_flags(icl, flags);
+
if (flags & SOCAM_PCLK_SAMPLE_RISING)
pixclk |= 0x10;
diff --git a/drivers/media/video/ov772x.c b/drivers/media/video/ov772x.c
index 99dd943..110cb9b 100644
--- a/drivers/media/video/ov772x.c
+++ b/drivers/media/video/ov772x.c
@@ -716,12 +716,12 @@ static int ov772x_set_bus_param(struct soc_camera_device *icd,
static unsigned long ov772x_query_bus_param(struct soc_camera_device *icd)
{
struct ov772x_priv *priv = container_of(icd, struct ov772x_priv, icd);
-
- return SOCAM_PCLK_SAMPLE_RISING |
- SOCAM_HSYNC_ACTIVE_HIGH |
- SOCAM_VSYNC_ACTIVE_HIGH |
- SOCAM_MASTER |
+ struct soc_camera_link *icl = priv->client->dev.platform_data;
+ unsigned long flags = SOCAM_PCLK_SAMPLE_RISING | SOCAM_MASTER |
+ SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_HSYNC_ACTIVE_HIGH |
priv->info->buswidth;
+
+ return soc_camera_apply_sensor_flags(icl, flags);
}
static int ov772x_get_chip_id(struct soc_camera_device *icd,
diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c
index 5e48c2c..1760175 100644
--- a/drivers/media/video/soc_camera.c
+++ b/drivers/media/video/soc_camera.c
@@ -59,6 +59,40 @@ const struct soc_camera_format_xlate *soc_camera_xlate_by_fourcc(
}
EXPORT_SYMBOL(soc_camera_xlate_by_fourcc);
+/**
+ * soc_camera_apply_sensor_flags() - apply platform SOCAM_SENSOR_INVERT_* flags
+ * @icl: camera platform parameters
+ * @flags: flags to be inverted according to platform configuration
+ * @return: resulting flags
+ */
+unsigned long soc_camera_apply_sensor_flags(struct soc_camera_link *icl,
+ unsigned long flags)
+{
+ unsigned long f;
+
+ /* If only one of the two polarities is supported, switch to the opposite */
+ if (icl->flags & SOCAM_SENSOR_INVERT_HSYNC) {
+ f = flags & (SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_HSYNC_ACTIVE_LOW);
+ if (f == SOCAM_HSYNC_ACTIVE_HIGH || f == SOCAM_HSYNC_ACTIVE_LOW)
+ flags ^= SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_HSYNC_ACTIVE_LOW;
+ }
+
+ if (icl->flags & SOCAM_SENSOR_INVERT_VSYNC) {
+ f = flags & (SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_LOW);
+ if (f == SOCAM_VSYNC_ACTIVE_HIGH || f == SOCAM_VSYNC_ACTIVE_LOW)
+ flags ^= SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_LOW;
+ }
+
+ if (icl->flags & SOCAM_SENSOR_INVERT_PCLK) {
+ f = flags & (SOCAM_PCLK_SAMPLE_RISING | SOCAM_PCLK_SAMPLE_FALLING);
+ if (f == SOCAM_PCLK_SAMPLE_RISING || f == SOCAM_PCLK_SAMPLE_FALLING)
+ flags ^= SOCAM_PCLK_SAMPLE_RISING | SOCAM_PCLK_SAMPLE_FALLING;
+ }
+
+ return flags;
+}
+EXPORT_SYMBOL(soc_camera_apply_sensor_flags);
+
static int soc_camera_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index da57ffd..e6ed0d9 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -81,11 +81,19 @@ struct soc_camera_host_ops {
unsigned int (*poll)(struct file *, poll_table *);
};
+#define SOCAM_SENSOR_INVERT_PCLK (1 << 0)
+#define SOCAM_SENSOR_INVERT_MCLK (1 << 1)
+#define SOCAM_SENSOR_INVERT_HSYNC (1 << 2)
+#define SOCAM_SENSOR_INVERT_VSYNC (1 << 3)
+#define SOCAM_SENSOR_INVERT_DATA (1 << 4)
+
struct soc_camera_link {
/* Camera bus id, used to match a camera and a bus */
int bus_id;
/* GPIO number to switch between 8 and 10 bit modes */
unsigned int gpio;
+ /* Per camera SOCAM_SENSOR_* bus flags */
+ unsigned long flags;
/* Optional callbacks to power on or off and reset the sensor */
int (*power)(struct device *, int);
int (*reset)(struct device *);
@@ -206,4 +214,7 @@ static inline unsigned long soc_camera_bus_param_compatible(
return (!hsync || !vsync || !pclk) ? 0 : common_flags;
}
+extern unsigned long soc_camera_apply_sensor_flags(struct soc_camera_link *icl,
+ unsigned long flags);
+
#endif
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