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path: root/drivers/media/video/mx2_camera.c
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Diffstat (limited to 'drivers/media/video/mx2_camera.c')
-rw-r--r--drivers/media/video/mx2_camera.c78
1 files changed, 58 insertions, 20 deletions
diff --git a/drivers/media/video/mx2_camera.c b/drivers/media/video/mx2_camera.c
index 18afaeeadb7..ded26b7286f 100644
--- a/drivers/media/video/mx2_camera.c
+++ b/drivers/media/video/mx2_camera.c
@@ -22,6 +22,7 @@
#include <linux/gcd.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
+#include <linux/math64.h>
#include <linux/mm.h>
#include <linux/moduleparam.h>
#include <linux/time.h>
@@ -344,6 +345,19 @@ static struct mx2_fmt_cfg mx27_emma_prp_table[] = {
PRP_INTR_CH2OVF,
}
},
+ {
+ .in_fmt = V4L2_MBUS_FMT_UYVY8_2X8,
+ .out_fmt = V4L2_PIX_FMT_YUV420,
+ .cfg = {
+ .channel = 2,
+ .in_fmt = PRP_CNTL_DATA_IN_YUV422,
+ .out_fmt = PRP_CNTL_CH2_OUT_YUV420,
+ .src_pixel = 0x22000888, /* YUV422 (YUYV) */
+ .irq_flags = PRP_INTR_RDERR | PRP_INTR_CH2WERR |
+ PRP_INTR_CH2FC | PRP_INTR_LBOVF |
+ PRP_INTR_CH2OVF,
+ }
+ },
};
static struct mx2_fmt_cfg *mx27_emma_prp_get_format(
@@ -525,8 +539,6 @@ static int mx2_videobuf_setup(struct vb2_queue *vq,
struct soc_camera_device *icd = soc_camera_from_vb2q(vq);
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
struct mx2_camera_dev *pcdev = ici->priv;
- int bytes_per_line = soc_mbus_bytes_per_line(icd->user_width,
- icd->current_fmt->host_fmt);
dev_dbg(icd->parent, "count=%d, size=%d\n", *count, sizes[0]);
@@ -534,12 +546,9 @@ static int mx2_videobuf_setup(struct vb2_queue *vq,
if (fmt != NULL)
return -ENOTTY;
- if (bytes_per_line < 0)
- return bytes_per_line;
-
alloc_ctxs[0] = pcdev->alloc_ctx;
- sizes[0] = bytes_per_line * icd->user_height;
+ sizes[0] = icd->sizeimage;
if (0 == *count)
*count = 32;
@@ -555,16 +564,11 @@ static int mx2_videobuf_setup(struct vb2_queue *vq,
static int mx2_videobuf_prepare(struct vb2_buffer *vb)
{
struct soc_camera_device *icd = soc_camera_from_vb2q(vb->vb2_queue);
- int bytes_per_line = soc_mbus_bytes_per_line(icd->user_width,
- icd->current_fmt->host_fmt);
int ret = 0;
dev_dbg(icd->parent, "%s (vb=0x%p) 0x%p %lu\n", __func__,
vb, vb2_plane_vaddr(vb, 0), vb2_get_plane_payload(vb, 0));
- if (bytes_per_line < 0)
- return bytes_per_line;
-
#ifdef DEBUG
/*
* This can be useful if you want to see if we actually fill
@@ -574,7 +578,7 @@ static int mx2_videobuf_prepare(struct vb2_buffer *vb)
0xaa, vb2_get_plane_payload(vb, 0));
#endif
- vb2_set_plane_payload(vb, 0, bytes_per_line * icd->user_height);
+ vb2_set_plane_payload(vb, 0, icd->sizeimage);
if (vb2_plane_vaddr(vb, 0) &&
vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) {
ret = -EINVAL;
@@ -980,6 +984,7 @@ static int mx2_camera_set_bus_param(struct soc_camera_device *icd)
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
struct mx2_camera_dev *pcdev = ici->priv;
struct v4l2_mbus_config cfg = {.type = V4L2_MBUS_PARALLEL,};
+ const struct soc_camera_format_xlate *xlate;
unsigned long common_flags;
int ret;
int bytesperline;
@@ -1024,14 +1029,31 @@ static int mx2_camera_set_bus_param(struct soc_camera_device *icd)
return ret;
}
+ xlate = soc_camera_xlate_by_fourcc(icd, pixfmt);
+ if (!xlate) {
+ dev_warn(icd->parent, "Format %x not found\n", pixfmt);
+ return -EINVAL;
+ }
+
+ if (xlate->code == V4L2_MBUS_FMT_YUYV8_2X8) {
+ csicr1 |= CSICR1_PACK_DIR;
+ csicr1 &= ~CSICR1_SWAP16_EN;
+ dev_dbg(icd->parent, "already yuyv format, don't convert\n");
+ } else if (xlate->code == V4L2_MBUS_FMT_UYVY8_2X8) {
+ csicr1 &= ~CSICR1_PACK_DIR;
+ csicr1 |= CSICR1_SWAP16_EN;
+ dev_dbg(icd->parent, "convert uyvy mbus format into yuyv\n");
+ } else {
+ dev_warn(icd->parent, "mbus format not supported\n");
+ return -EINVAL;
+ }
+
if (common_flags & V4L2_MBUS_PCLK_SAMPLE_RISING)
csicr1 |= CSICR1_REDGE;
if (common_flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH)
csicr1 |= CSICR1_SOF_POL;
if (common_flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH)
csicr1 |= CSICR1_HSYNC_POL;
- if (pcdev->platform_flags & MX2_CAMERA_SWAP16)
- csicr1 |= CSICR1_SWAP16_EN;
if (pcdev->platform_flags & MX2_CAMERA_EXT_VSYNC)
csicr1 |= CSICR1_EXT_VSYNC;
if (pcdev->platform_flags & MX2_CAMERA_CCIR)
@@ -1042,8 +1064,6 @@ static int mx2_camera_set_bus_param(struct soc_camera_device *icd)
csicr1 |= CSICR1_GCLK_MODE;
if (pcdev->platform_flags & MX2_CAMERA_INV_DATA)
csicr1 |= CSICR1_INV_DATA;
- if (pcdev->platform_flags & MX2_CAMERA_PACK_DIR_MSB)
- csicr1 |= CSICR1_PACK_DIR;
pcdev->csicr1 = csicr1;
@@ -1118,7 +1138,8 @@ static int mx2_camera_get_formats(struct soc_camera_device *icd,
return 0;
}
- if (code == V4L2_MBUS_FMT_YUYV8_2X8) {
+ if (code == V4L2_MBUS_FMT_YUYV8_2X8 ||
+ code == V4L2_MBUS_FMT_UYVY8_2X8) {
formats++;
if (xlate) {
/*
@@ -1134,6 +1155,18 @@ static int mx2_camera_get_formats(struct soc_camera_device *icd,
}
}
+ if (code == V4L2_MBUS_FMT_UYVY8_2X8) {
+ formats++;
+ if (xlate) {
+ xlate->host_fmt =
+ soc_mbus_get_fmtdesc(V4L2_MBUS_FMT_YUYV8_2X8);
+ xlate->code = code;
+ dev_dbg(dev, "Providing host format %s for sensor code %d\n",
+ xlate->host_fmt->name, code);
+ xlate++;
+ }
+ }
+
/* Generic pass-trough */
formats++;
if (xlate) {
@@ -1363,17 +1396,20 @@ static int mx2_camera_try_fmt(struct soc_camera_device *icd,
xlate->host_fmt);
if (pix->bytesperline < 0)
return pix->bytesperline;
- pix->sizeimage = pix->height * pix->bytesperline;
+ pix->sizeimage = soc_mbus_image_size(xlate->host_fmt,
+ pix->bytesperline, pix->height);
/* 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);
+ unsigned int new_height = int_sqrt(div_u64(0x3ffffULL *
+ 4 * 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);
+ pix->sizeimage = soc_mbus_image_size(xlate->host_fmt,
+ pix->bytesperline, pix->height);
}
}
@@ -1752,6 +1788,8 @@ static int __devinit mx2_camera_probe(struct platform_device *pdev)
pcdev->soc_host.priv = pcdev;
pcdev->soc_host.v4l2_dev.dev = &pdev->dev;
pcdev->soc_host.nr = pdev->id;
+ if (cpu_is_mx25())
+ pcdev->soc_host.capabilities = SOCAM_HOST_CAP_STRIDE;
pcdev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
if (IS_ERR(pcdev->alloc_ctx)) {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-28 17:27:01 +0000