diff options
Diffstat (limited to 'drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c')
-rw-r--r-- | drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c | 58 |
1 files changed, 55 insertions, 3 deletions
diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c index 5e7bbaa1006f..3ea443aa6fde 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c @@ -107,6 +107,51 @@ static bool sun6i_csi_capture_format_check(u32 format) /* Capture */ +static void sun6i_csi_capture_irq_enable(struct sun6i_csi_device *csi_dev) +{ + struct regmap *regmap = csi_dev->regmap; + + regmap_write(regmap, SUN6I_CSI_CH_INT_EN_REG, + SUN6I_CSI_CH_INT_EN_VS | + SUN6I_CSI_CH_INT_EN_HB_OF | + SUN6I_CSI_CH_INT_EN_FIFO2_OF | + SUN6I_CSI_CH_INT_EN_FIFO1_OF | + SUN6I_CSI_CH_INT_EN_FIFO0_OF | + SUN6I_CSI_CH_INT_EN_FD | + SUN6I_CSI_CH_INT_EN_CD); +} + +static void sun6i_csi_capture_irq_disable(struct sun6i_csi_device *csi_dev) +{ + struct regmap *regmap = csi_dev->regmap; + + regmap_write(regmap, SUN6I_CSI_CH_INT_EN_REG, 0); +} + +static void sun6i_csi_capture_irq_clear(struct sun6i_csi_device *csi_dev) +{ + struct regmap *regmap = csi_dev->regmap; + + regmap_write(regmap, SUN6I_CSI_CH_INT_EN_REG, 0); + regmap_write(regmap, SUN6I_CSI_CH_INT_STA_REG, + SUN6I_CSI_CH_INT_STA_CLEAR); +} + +static void sun6i_csi_capture_enable(struct sun6i_csi_device *csi_dev) +{ + struct regmap *regmap = csi_dev->regmap; + + regmap_update_bits(regmap, SUN6I_CSI_CAP_REG, SUN6I_CSI_CAP_VCAP_ON, + SUN6I_CSI_CAP_VCAP_ON); +} + +static void sun6i_csi_capture_disable(struct sun6i_csi_device *csi_dev) +{ + struct regmap *regmap = csi_dev->regmap; + + regmap_update_bits(regmap, SUN6I_CSI_CAP_REG, SUN6I_CSI_CAP_VCAP_ON, 0); +} + static void sun6i_csi_capture_buffer_configure(struct sun6i_csi_device *csi_dev, struct sun6i_csi_buffer *csi_buffer) @@ -357,6 +402,10 @@ static int sun6i_csi_capture_start_streaming(struct vb2_queue *queue, goto error_media_pipeline; } + /* Clear */ + + sun6i_csi_capture_irq_clear(csi_dev); + /* Configure */ sun6i_csi_capture_configure(csi_dev); @@ -367,7 +416,8 @@ static int sun6i_csi_capture_start_streaming(struct vb2_queue *queue, /* Enable */ - sun6i_csi_set_stream(csi_dev, true); + sun6i_csi_capture_irq_enable(csi_dev); + sun6i_csi_capture_enable(csi_dev); ret = v4l2_subdev_call(subdev, video, s_stream, 1); if (ret && ret != -ENOIOCTLCMD) @@ -376,7 +426,8 @@ static int sun6i_csi_capture_start_streaming(struct vb2_queue *queue, return 0; error_stream: - sun6i_csi_set_stream(csi_dev, false); + sun6i_csi_capture_disable(csi_dev); + sun6i_csi_capture_irq_disable(csi_dev); error_media_pipeline: video_device_pipeline_stop(video_dev); @@ -397,7 +448,8 @@ static void sun6i_csi_capture_stop_streaming(struct vb2_queue *queue) if (subdev) v4l2_subdev_call(subdev, video, s_stream, 0); - sun6i_csi_set_stream(csi_dev, false); + sun6i_csi_capture_disable(csi_dev); + sun6i_csi_capture_irq_disable(csi_dev); video_device_pipeline_stop(&capture->video_dev); |