diff options
Diffstat (limited to 'drivers/media/video/mx2_camera.c')
-rw-r--r-- | drivers/media/video/mx2_camera.c | 66 |
1 files changed, 35 insertions, 31 deletions
diff --git a/drivers/media/video/mx2_camera.c b/drivers/media/video/mx2_camera.c index 4eab1c620318..ec2410c0c806 100644 --- a/drivers/media/video/mx2_camera.c +++ b/drivers/media/video/mx2_camera.c @@ -23,7 +23,6 @@ #include <linux/mm.h> #include <linux/moduleparam.h> #include <linux/time.h> -#include <linux/version.h> #include <linux/device.h> #include <linux/platform_device.h> #include <linux/mutex.h> @@ -47,7 +46,7 @@ #include <asm/dma.h> #define MX2_CAM_DRV_NAME "mx2-camera" -#define MX2_CAM_VERSION_CODE KERNEL_VERSION(0, 0, 5) +#define MX2_CAM_VERSION "0.0.6" #define MX2_CAM_DRIVER_DESCRIPTION "i.MX2x_Camera" /* reset values */ @@ -278,7 +277,7 @@ static void mx2_camera_deactivate(struct mx2_camera_dev *pcdev) */ static int mx2_camera_add_device(struct soc_camera_device *icd) { - struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent); + struct soc_camera_host *ici = to_soc_camera_host(icd->parent); struct mx2_camera_dev *pcdev = ici->priv; int ret; u32 csicr1; @@ -303,7 +302,7 @@ static int mx2_camera_add_device(struct soc_camera_device *icd) pcdev->icd = icd; - dev_info(icd->dev.parent, "Camera driver attached to camera %d\n", + dev_info(icd->parent, "Camera driver attached to camera %d\n", icd->devnum); return 0; @@ -311,12 +310,12 @@ static int mx2_camera_add_device(struct soc_camera_device *icd) static void mx2_camera_remove_device(struct soc_camera_device *icd) { - struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent); + 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->dev.parent, "Camera driver detached from camera %d\n", + dev_info(icd->parent, "Camera driver detached from camera %d\n", icd->devnum); mx2_camera_deactivate(pcdev); @@ -437,7 +436,7 @@ static int mx2_videobuf_setup(struct videobuf_queue *vq, unsigned int *count, int bytes_per_line = soc_mbus_bytes_per_line(icd->user_width, icd->current_fmt->host_fmt); - dev_dbg(&icd->dev, "count=%d, size=%d\n", *count, *size); + dev_dbg(icd->parent, "count=%d, size=%d\n", *count, *size); if (bytes_per_line < 0) return bytes_per_line; @@ -457,7 +456,7 @@ static void free_buffer(struct videobuf_queue *vq, struct mx2_buffer *buf) struct soc_camera_device *icd = vq->priv_data; struct videobuf_buffer *vb = &buf->vb; - dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %d\n", __func__, + dev_dbg(icd->parent, "%s (vb=0x%p) 0x%08lx %d\n", __func__, vb, vb->baddr, vb->bsize); /* @@ -467,7 +466,7 @@ static void free_buffer(struct videobuf_queue *vq, struct mx2_buffer *buf) videobuf_waiton(vq, vb, 0, 0); videobuf_dma_contig_free(vq, vb); - dev_dbg(&icd->dev, "%s freed\n", __func__); + dev_dbg(icd->parent, "%s freed\n", __func__); vb->state = VIDEOBUF_NEEDS_INIT; } @@ -481,7 +480,7 @@ static int mx2_videobuf_prepare(struct videobuf_queue *vq, icd->current_fmt->host_fmt); int ret = 0; - dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %d\n", __func__, + dev_dbg(icd->parent, "%s (vb=0x%p) 0x%08lx %d\n", __func__, vb, vb->baddr, vb->bsize); if (bytes_per_line < 0) @@ -533,12 +532,12 @@ static void mx2_videobuf_queue(struct videobuf_queue *vq, { struct soc_camera_device *icd = vq->priv_data; struct soc_camera_host *ici = - to_soc_camera_host(icd->dev.parent); + to_soc_camera_host(icd->parent); struct mx2_camera_dev *pcdev = ici->priv; struct mx2_buffer *buf = container_of(vb, struct mx2_buffer, vb); unsigned long flags; - dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %d\n", __func__, + dev_dbg(icd->parent, "%s (vb=0x%p) 0x%08lx %d\n", __func__, vb, vb->baddr, vb->bsize); spin_lock_irqsave(&pcdev->lock, flags); @@ -611,27 +610,27 @@ static void mx2_videobuf_release(struct videobuf_queue *vq, struct videobuf_buffer *vb) { struct soc_camera_device *icd = vq->priv_data; - struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent); + struct soc_camera_host *ici = to_soc_camera_host(icd->parent); struct mx2_camera_dev *pcdev = ici->priv; struct mx2_buffer *buf = container_of(vb, struct mx2_buffer, vb); unsigned long flags; #ifdef DEBUG - dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %d\n", __func__, + dev_dbg(icd->parent, "%s (vb=0x%p) 0x%08lx %d\n", __func__, vb, vb->baddr, vb->bsize); switch (vb->state) { case VIDEOBUF_ACTIVE: - dev_info(&icd->dev, "%s (active)\n", __func__); + dev_info(icd->parent, "%s (active)\n", __func__); break; case VIDEOBUF_QUEUED: - dev_info(&icd->dev, "%s (queued)\n", __func__); + dev_info(icd->parent, "%s (queued)\n", __func__); break; case VIDEOBUF_PREPARED: - dev_info(&icd->dev, "%s (prepared)\n", __func__); + dev_info(icd->parent, "%s (prepared)\n", __func__); break; default: - dev_info(&icd->dev, "%s (unknown) %d\n", __func__, + dev_info(icd->parent, "%s (unknown) %d\n", __func__, vb->state); break; } @@ -678,7 +677,7 @@ static struct videobuf_queue_ops mx2_videobuf_ops = { static void mx2_camera_init_videobuf(struct videobuf_queue *q, struct soc_camera_device *icd) { - struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent); + struct soc_camera_host *ici = to_soc_camera_host(icd->parent); struct mx2_camera_dev *pcdev = ici->priv; videobuf_queue_dma_contig_init(q, &mx2_videobuf_ops, pcdev->dev, @@ -719,7 +718,7 @@ static void mx27_camera_emma_buf_init(struct soc_camera_device *icd, int bytesperline) { struct soc_camera_host *ici = - to_soc_camera_host(icd->dev.parent); + to_soc_camera_host(icd->parent); struct mx2_camera_dev *pcdev = ici->priv; writel(pcdev->discard_buffer_dma, @@ -772,7 +771,7 @@ static int mx2_camera_set_bus_param(struct soc_camera_device *icd, __u32 pixfmt) { struct soc_camera_host *ici = - to_soc_camera_host(icd->dev.parent); + to_soc_camera_host(icd->parent); struct mx2_camera_dev *pcdev = ici->priv; unsigned long camera_flags, common_flags; int ret = 0; @@ -891,7 +890,7 @@ static int mx2_camera_set_crop(struct soc_camera_device *icd, if (ret < 0) return ret; - dev_dbg(icd->dev.parent, "Sensor cropped %dx%d\n", + dev_dbg(icd->parent, "Sensor cropped %dx%d\n", mf.width, mf.height); icd->user_width = mf.width; @@ -911,7 +910,7 @@ static int mx2_camera_set_fmt(struct soc_camera_device *icd, xlate = soc_camera_xlate_by_fourcc(icd, pix->pixelformat); if (!xlate) { - dev_warn(icd->dev.parent, "Format %x not found\n", + dev_warn(icd->parent, "Format %x not found\n", pix->pixelformat); return -EINVAL; } @@ -951,7 +950,7 @@ static int mx2_camera_try_fmt(struct soc_camera_device *icd, xlate = soc_camera_xlate_by_fourcc(icd, pixfmt); if (pixfmt && !xlate) { - dev_warn(icd->dev.parent, "Format %x not found\n", pixfmt); + dev_warn(icd->parent, "Format %x not found\n", pixfmt); return -EINVAL; } @@ -974,11 +973,16 @@ static int mx2_camera_try_fmt(struct soc_camera_device *icd, if (pix->bytesperline < 0) return pix->bytesperline; pix->sizeimage = pix->height * pix->bytesperline; - if (pix->sizeimage > (4 * 0x3ffff)) { /* CSIRXCNT limit */ - dev_warn(icd->dev.parent, - "Image size (%u) above limit\n", - pix->sizeimage); - return -EINVAL; + /* Check against the CSIRXCNT limit */ + if (pix->sizeimage > 4 * 0x3ffff) { + /* Adjust geometry, preserve aspect ratio */ + unsigned int new_height = int_sqrt(4 * 0x3ffff * + pix->height / pix->bytesperline); + pix->width = new_height * pix->width / pix->height; + pix->height = new_height; + pix->bytesperline = soc_mbus_bytes_per_line(pix->width, + xlate->host_fmt); + BUG_ON(pix->bytesperline < 0); } } @@ -996,7 +1000,7 @@ static int mx2_camera_try_fmt(struct soc_camera_device *icd, if (mf.field == V4L2_FIELD_ANY) mf.field = V4L2_FIELD_NONE; if (mf.field != V4L2_FIELD_NONE) { - dev_err(icd->dev.parent, "Field type %d unsupported.\n", + dev_err(icd->parent, "Field type %d unsupported.\n", mf.field); return -EINVAL; } @@ -1014,7 +1018,6 @@ static int mx2_camera_querycap(struct soc_camera_host *ici, { /* cap->name is set by the friendly caller:-> */ strlcpy(cap->card, MX2_CAM_DRIVER_DESCRIPTION, sizeof(cap->card)); - cap->version = MX2_CAM_VERSION_CODE; cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; return 0; @@ -1523,3 +1526,4 @@ module_exit(mx2_camera_exit); MODULE_DESCRIPTION("i.MX27/i.MX25 SoC Camera Host driver"); MODULE_AUTHOR("Sascha Hauer <sha@pengutronix.de>"); MODULE_LICENSE("GPL"); +MODULE_VERSION(MX2_CAM_VERSION); |