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authorJosh Wu <josh.wu@atmel.com>2015-11-03 03:45:12 -0200
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-11-17 15:33:17 -0200
commit05645a46a126c5cbecd81425aaa583dc5a2151fd (patch)
treed345426e1edae21240c554aab560253a4f5df104 /drivers/media/platform
parent7393de60a2ddd30ac0d6699c61f7a11519bf91fa (diff)
[media] atmel-isi: support RGB565 output when sensor output YUV formats
This patch enable Atmel ISI preview path to convert the YUV to RGB format. Signed-off-by: Josh Wu <josh.wu@atmel.com> [g.liakhovetski@gmx.de: removed superfluous parentheses] Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/platform')
-rw-r--r--drivers/media/platform/soc_camera/atmel-isi.c25
1 files changed, 19 insertions, 6 deletions
diff --git a/drivers/media/platform/soc_camera/atmel-isi.c b/drivers/media/platform/soc_camera/atmel-isi.c
index b70754f496f0..f5f815d792b7 100644
--- a/drivers/media/platform/soc_camera/atmel-isi.c
+++ b/drivers/media/platform/soc_camera/atmel-isi.c
@@ -146,6 +146,10 @@ static void configure_geometry(struct atmel_isi *isi, u32 width,
u32 height, const struct soc_camera_format_xlate *xlate)
{
u32 cfg2, psize;
+ u32 fourcc = xlate->host_fmt->fourcc;
+
+ isi->enable_preview_path = fourcc == V4L2_PIX_FMT_RGB565 ||
+ fourcc == V4L2_PIX_FMT_RGB32;
/* According to sensor's output format to set cfg2 */
switch (xlate->code) {
@@ -195,8 +199,9 @@ static bool is_supported(struct soc_camera_device *icd,
case V4L2_PIX_FMT_UYVY:
case V4L2_PIX_FMT_YVYU:
case V4L2_PIX_FMT_VYUY:
+ /* RGB */
+ case V4L2_PIX_FMT_RGB565:
return true;
- /* RGB, TODO */
default:
return false;
}
@@ -686,6 +691,14 @@ static const struct soc_mbus_pixelfmt isi_camera_formats[] = {
.order = SOC_MBUS_ORDER_LE,
.layout = SOC_MBUS_LAYOUT_PACKED,
},
+ {
+ .fourcc = V4L2_PIX_FMT_RGB565,
+ .name = "RGB565",
+ .bits_per_sample = 8,
+ .packing = SOC_MBUS_PACKING_2X8_PADHI,
+ .order = SOC_MBUS_ORDER_LE,
+ .layout = SOC_MBUS_LAYOUT_PACKED,
+ },
};
/* This will be corrected as we get more formats */
@@ -742,7 +755,7 @@ static int isi_camera_get_formats(struct soc_camera_device *icd,
struct soc_camera_format_xlate *xlate)
{
struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
- int formats = 0, ret;
+ int formats = 0, ret, i, n;
/* sensor format */
struct v4l2_subdev_mbus_code_enum code = {
.which = V4L2_SUBDEV_FORMAT_ACTIVE,
@@ -776,11 +789,11 @@ static int isi_camera_get_formats(struct soc_camera_device *icd,
case MEDIA_BUS_FMT_VYUY8_2X8:
case MEDIA_BUS_FMT_YUYV8_2X8:
case MEDIA_BUS_FMT_YVYU8_2X8:
- formats++;
- if (xlate) {
- xlate->host_fmt = &isi_camera_formats[0];
+ n = ARRAY_SIZE(isi_camera_formats);
+ formats += n;
+ for (i = 0; xlate && i < n; i++, xlate++) {
+ xlate->host_fmt = &isi_camera_formats[i];
xlate->code = code.code;
- xlate++;
dev_dbg(icd->parent, "Providing format %s using code %d\n",
isi_camera_formats[0].name, code.code);
}

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