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V4L/DVB (13663): sh_mobile_ceu: Add V4L2_FIELD_INTERLACED_BT/TB support

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Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Kuninori Morimoto 2009-12-11 11:53:53 -03:00 committed by Mauro Carvalho Chehab
parent a3a4ac1477
commit 1edcc10d7f
1 changed files with 51 additions and 24 deletions
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75
drivers/media/video/sh_mobile_ceu_camera.c
View file

@ -107,7 +107,8 @@ struct sh_mobile_ceu_dev {
u32 cflcr;
unsigned int is_interlaced:1;
enum v4l2_field field;
unsigned int image_mode:1;
unsigned int is_16bit:1;
};
@ -254,6 +255,8 @@ static int sh_mobile_ceu_capture(struct sh_mobile_ceu_dev *pcdev)
{
struct soc_camera_device *icd = pcdev->icd;
dma_addr_t phys_addr_top, phys_addr_bottom;
unsigned long top1, top2;
unsigned long bottom1, bottom2;
u32 status;
int ret = 0;
@ -282,11 +285,23 @@ static int sh_mobile_ceu_capture(struct sh_mobile_ceu_dev *pcdev)
if (!pcdev->active)
return ret;
if (V4L2_FIELD_INTERLACED_BT == pcdev->field) {
top1 = CDBYR;
top2 = CDBCR;
bottom1 = CDAYR;
bottom2 = CDACR;
} else {
top1 = CDAYR;
top2 = CDACR;
bottom1 = CDBYR;
bottom2 = CDBCR;
}
phys_addr_top = videobuf_to_dma_contig(pcdev->active);
ceu_write(pcdev, CDAYR, phys_addr_top);
if (pcdev->is_interlaced) {
ceu_write(pcdev, top1, phys_addr_top);
if (V4L2_FIELD_NONE != pcdev->field) {
phys_addr_bottom = phys_addr_top + icd->user_width;
ceu_write(pcdev, CDBYR, phys_addr_bottom);
ceu_write(pcdev, bottom1, phys_addr_bottom);
}
switch (icd->current_fmt->host_fmt->fourcc) {
@ -296,11 +311,10 @@ static int sh_mobile_ceu_capture(struct sh_mobile_ceu_dev *pcdev)
case V4L2_PIX_FMT_NV61:
phys_addr_top += icd->user_width *
icd->user_height;
ceu_write(pcdev, CDACR, phys_addr_top);
if (pcdev->is_interlaced) {
phys_addr_bottom = phys_addr_top +
icd->user_width;
ceu_write(pcdev, CDBCR, phys_addr_bottom);
ceu_write(pcdev, top2, phys_addr_top);
if (V4L2_FIELD_NONE != pcdev->field) {
phys_addr_bottom = phys_addr_top + icd->user_width;
ceu_write(pcdev, bottom2, phys_addr_bottom);
}
}
@ -602,7 +616,7 @@ static void sh_mobile_ceu_set_rect(struct soc_camera_device *icd,
height = out_height;
in_height = rect->height;
if (pcdev->is_interlaced) {
if (V4L2_FIELD_NONE != pcdev->field) {
height /= 2;
in_height /= 2;
top_offset /= 2;
@ -729,7 +743,19 @@ static int sh_mobile_ceu_set_bus_param(struct soc_camera_device *icd,
ceu_write(pcdev, CAMCR, value);
ceu_write(pcdev, CAPCR, 0x00300000);
ceu_write(pcdev, CAIFR, pcdev->is_interlaced ? 0x101 : 0);
switch (pcdev->field) {
case V4L2_FIELD_INTERLACED_TB:
value = 0x101;
break;
case V4L2_FIELD_INTERLACED_BT:
value = 0x102;
break;
default:
value = 0;
break;
}
ceu_write(pcdev, CAIFR, value);
sh_mobile_ceu_set_rect(icd, icd->user_width, icd->user_height);
mdelay(1);
@ -1357,8 +1383,7 @@ static int sh_mobile_ceu_set_crop(struct soc_camera_device *icd,
/* 6. - 9. */
mf.code = cam->code;
mf.field = pcdev->is_interlaced ? V4L2_FIELD_INTERLACED :
V4L2_FIELD_NONE;
mf.field = pcdev->field;
capsr = capture_save_reset(pcdev);
dev_dbg(dev, "CAPSR 0x%x, CFLCR 0x%x\n", capsr, pcdev->cflcr);
@ -1368,7 +1393,8 @@ static int sh_mobile_ceu_set_crop(struct soc_camera_device *icd,
rect->top -= cam_rect->top;
ret = client_scale(icd, cam_rect, rect, ceu_rect, &mf,
pcdev->image_mode && !pcdev->is_interlaced);
pcdev->image_mode &&
V4L2_FIELD_NONE == pcdev->field);
dev_geo(dev, "6-9: %d\n", ret);
@ -1425,18 +1451,20 @@ static int sh_mobile_ceu_set_fmt(struct soc_camera_device *icd,
unsigned int scale_cam_h, scale_cam_v;
u16 scale_v, scale_h;
int ret;
bool is_interlaced, image_mode;
bool image_mode;
enum v4l2_field field;
switch (pix->field) {
case V4L2_FIELD_INTERLACED:
is_interlaced = true;
break;
case V4L2_FIELD_ANY:
default:
pix->field = V4L2_FIELD_NONE;
/* fall-through */
case V4L2_FIELD_INTERLACED_TB:
case V4L2_FIELD_INTERLACED_BT:
case V4L2_FIELD_NONE:
is_interlaced = false;
field = pix->field;
break;
case V4L2_FIELD_INTERLACED:
field = V4L2_FIELD_INTERLACED_TB;
break;
}
@ -1505,7 +1533,7 @@ static int sh_mobile_ceu_set_fmt(struct soc_camera_device *icd,
/* 5. - 9. */
ret = client_scale(icd, cam_rect, &cam_subrect, &ceu_rect, &mf,
image_mode && !is_interlaced);
image_mode && V4L2_FIELD_NONE == field);
dev_geo(dev, "5-9: client scale %d\n", ret);
@ -1555,7 +1583,7 @@ static int sh_mobile_ceu_set_fmt(struct soc_camera_device *icd,
cam->ceu_rect = ceu_rect;
icd->current_fmt = xlate;
pcdev->is_interlaced = is_interlaced;
pcdev->field = field;
pcdev->image_mode = image_mode;
return 0;
@ -1698,8 +1726,7 @@ static void sh_mobile_ceu_init_videobuf(struct videobuf_queue *q,
&sh_mobile_ceu_videobuf_ops,
icd->dev.parent, &pcdev->lock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
pcdev->is_interlaced ?
V4L2_FIELD_INTERLACED : V4L2_FIELD_NONE,
pcdev->field,
sizeof(struct sh_mobile_ceu_buffer),
icd);
}