diff options
Diffstat (limited to 'drivers/media/platform/soc_camera/mx2_camera.c')
-rw-r--r-- | drivers/media/platform/soc_camera/mx2_camera.c | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/drivers/media/platform/soc_camera/mx2_camera.c b/drivers/media/platform/soc_camera/mx2_camera.c index 5bbeb43e4531..45a0276be4e5 100644 --- a/drivers/media/platform/soc_camera/mx2_camera.c +++ b/drivers/media/platform/soc_camera/mx2_camera.c @@ -236,7 +236,6 @@ enum mx2_camera_type { struct mx2_camera_dev { struct device *dev; struct soc_camera_host soc_host; - struct soc_camera_device *icd; struct clk *clk_emma_ahb, *clk_emma_ipg; struct clk *clk_csi_ahb, *clk_csi_per; @@ -394,8 +393,8 @@ static void mx27_update_emma_buf(struct mx2_camera_dev *pcdev, writel(phys, pcdev->base_emma + PRP_DEST_Y_PTR - 0x14 * bufnum); if (prp->out_fmt == V4L2_PIX_FMT_YUV420) { - u32 imgsize = pcdev->icd->user_height * - pcdev->icd->user_width; + u32 imgsize = pcdev->soc_host.icd->user_height * + pcdev->soc_host.icd->user_width; writel(phys + imgsize, pcdev->base_emma + PRP_DEST_CB_PTR - 0x14 * bufnum); @@ -413,20 +412,30 @@ static void mx2_camera_deactivate(struct mx2_camera_dev *pcdev) writel(0, pcdev->base_emma + PRP_CNTL); } +static int mx2_camera_add_device(struct soc_camera_device *icd) +{ + dev_info(icd->parent, "Camera driver attached to camera %d\n", + icd->devnum); + + return 0; +} + +static void mx2_camera_remove_device(struct soc_camera_device *icd) +{ + dev_info(icd->parent, "Camera driver detached from camera %d\n", + icd->devnum); +} + /* * The following two functions absolutely depend on the fact, that * there can be only one camera on mx2 camera sensor interface */ -static int mx2_camera_add_device(struct soc_camera_device *icd) +static int mx2_camera_clock_start(struct soc_camera_host *ici) { - struct soc_camera_host *ici = to_soc_camera_host(icd->parent); struct mx2_camera_dev *pcdev = ici->priv; int ret; u32 csicr1; - if (pcdev->icd) - return -EBUSY; - ret = clk_prepare_enable(pcdev->clk_csi_ahb); if (ret < 0) return ret; @@ -441,12 +450,8 @@ static int mx2_camera_add_device(struct soc_camera_device *icd) pcdev->csicr1 = csicr1; writel(pcdev->csicr1, pcdev->base_csi + CSICR1); - pcdev->icd = icd; pcdev->frame_count = 0; - dev_info(icd->parent, "Camera driver attached to camera %d\n", - icd->devnum); - return 0; exit_csi_ahb: @@ -455,19 +460,11 @@ exit_csi_ahb: return ret; } -static void mx2_camera_remove_device(struct soc_camera_device *icd) +static void mx2_camera_clock_stop(struct soc_camera_host *ici) { - struct soc_camera_host *ici = to_soc_camera_host(icd->parent); struct mx2_camera_dev *pcdev = ici->priv; - BUG_ON(icd != pcdev->icd); - - dev_info(icd->parent, "Camera driver detached from camera %d\n", - icd->devnum); - mx2_camera_deactivate(pcdev); - - pcdev->icd = NULL; } /* @@ -1280,6 +1277,8 @@ static struct soc_camera_host_ops mx2_soc_camera_host_ops = { .owner = THIS_MODULE, .add = mx2_camera_add_device, .remove = mx2_camera_remove_device, + .clock_start = mx2_camera_clock_start, + .clock_stop = mx2_camera_clock_stop, .set_fmt = mx2_camera_set_fmt, .set_crop = mx2_camera_set_crop, .get_formats = mx2_camera_get_formats, |