[PATCH 5/8] ispccdc: Configure CCDC registers
Deepthy Ravi
deepthy.ravi at ti.com
Thu Sep 8 09:35:44 EDT 2011
From: Vaibhav Hiremath <hvaibhav at ti.com>
Configure the CCDC registers for YUV and non YUV
data. Also some code clean-up for making it compact.
Signed-off-by: Vaibhav Hiremath <hvaibhav at ti.com>
Signed-off-by: Deepthy Ravi <deepthy.ravi at ti.com>
---
drivers/media/video/omap3isp/ispccdc.c | 65 +++++++++++++++++++++----------
drivers/media/video/omap3isp/ispreg.h | 1 +
drivers/media/video/omap3isp/ispvideo.c | 3 +
3 files changed, 48 insertions(+), 21 deletions(-)
diff --git a/drivers/media/video/omap3isp/ispccdc.c b/drivers/media/video/omap3isp/ispccdc.c
index d58fe45..c583384 100644
--- a/drivers/media/video/omap3isp/ispccdc.c
+++ b/drivers/media/video/omap3isp/ispccdc.c
@@ -58,6 +58,7 @@ static const unsigned int ccdc_fmts[] = {
V4L2_MBUS_FMT_SBGGR12_1X12,
V4L2_MBUS_FMT_SGBRG12_1X12,
V4L2_MBUS_FMT_UYVY8_2X8,
+ V4L2_MBUS_FMT_YUYV8_2X8,
};
/*
@@ -788,11 +789,16 @@ static void ccdc_apply_controls(struct isp_ccdc_device *ccdc)
void omap3isp_ccdc_restore_context(struct isp_device *isp)
{
struct isp_ccdc_device *ccdc = &isp->isp_ccdc;
+ struct v4l2_mbus_framefmt *format;
isp_reg_set(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_CFG, ISPCCDC_CFG_VDLC);
- ccdc->update = OMAP3ISP_CCDC_ALAW | OMAP3ISP_CCDC_LPF
- | OMAP3ISP_CCDC_BLCLAMP | OMAP3ISP_CCDC_BCOMP;
+ /* CCDC_PAD_SINK */
+ format = &ccdc->formats[CCDC_PAD_SINK];
+ if ((format->code != V4L2_MBUS_FMT_UYVY8_2X8) &&
+ (format->code != V4L2_MBUS_FMT_UYVY8_2X8))
+ ccdc->update = OMAP3ISP_CCDC_ALAW | OMAP3ISP_CCDC_LPF
+ | OMAP3ISP_CCDC_BLCLAMP | OMAP3ISP_CCDC_BCOMP;
ccdc_apply_controls(ccdc);
ccdc_configure_fpc(ccdc);
}
@@ -966,14 +972,22 @@ static void ccdc_config_sync_if(struct isp_ccdc_device *ccdc,
u32 syn_mode = isp_reg_readl(isp, OMAP3_ISP_IOMEM_CCDC,
ISPCCDC_SYN_MODE);
+ syn_mode &= ~(ISPCCDC_SYN_MODE_VDHDOUT |
+ ISPCCDC_SYN_MODE_FLDOUT |
+ ISPCCDC_SYN_MODE_VDPOL |
+ ISPCCDC_SYN_MODE_HDPOL |
+ ISPCCDC_SYN_MODE_FLDPOL |
+ ISPCCDC_SYN_MODE_FLDMODE |
+ ISPCCDC_SYN_MODE_DATAPOL |
+ ISPCCDC_SYN_MODE_DATSIZ_MASK |
+ ISPCCDC_SYN_MODE_PACK8 |
+ ISPCCDC_SYN_MODE_INPMOD_MASK);
+
syn_mode |= ISPCCDC_SYN_MODE_VDHDEN;
if (syncif->fldstat)
syn_mode |= ISPCCDC_SYN_MODE_FLDSTAT;
- else
- syn_mode &= ~ISPCCDC_SYN_MODE_FLDSTAT;
- syn_mode &= ~ISPCCDC_SYN_MODE_DATSIZ_MASK;
switch (syncif->datsz) {
case 8:
syn_mode |= ISPCCDC_SYN_MODE_DATSIZ_8;
@@ -991,28 +1005,18 @@ static void ccdc_config_sync_if(struct isp_ccdc_device *ccdc,
if (syncif->fldmode)
syn_mode |= ISPCCDC_SYN_MODE_FLDMODE;
- else
- syn_mode &= ~ISPCCDC_SYN_MODE_FLDMODE;
if (syncif->datapol)
syn_mode |= ISPCCDC_SYN_MODE_DATAPOL;
- else
- syn_mode &= ~ISPCCDC_SYN_MODE_DATAPOL;
if (syncif->fldpol)
syn_mode |= ISPCCDC_SYN_MODE_FLDPOL;
- else
- syn_mode &= ~ISPCCDC_SYN_MODE_FLDPOL;
if (syncif->hdpol)
syn_mode |= ISPCCDC_SYN_MODE_HDPOL;
- else
- syn_mode &= ~ISPCCDC_SYN_MODE_HDPOL;
if (syncif->vdpol)
syn_mode |= ISPCCDC_SYN_MODE_VDPOL;
- else
- syn_mode &= ~ISPCCDC_SYN_MODE_VDPOL;
if (syncif->ccdc_mastermode) {
syn_mode |= ISPCCDC_SYN_MODE_FLDOUT | ISPCCDC_SYN_MODE_VDHDOUT;
@@ -1027,9 +1031,7 @@ static void ccdc_config_sync_if(struct isp_ccdc_device *ccdc,
| syncif->hlprf << ISPCCDC_PIX_LINES_HLPRF_SHIFT,
OMAP3_ISP_IOMEM_CCDC,
ISPCCDC_PIX_LINES);
- } else
- syn_mode &= ~(ISPCCDC_SYN_MODE_FLDOUT |
- ISPCCDC_SYN_MODE_VDHDOUT);
+ }
isp_reg_writel(isp, syn_mode, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_SYN_MODE);
@@ -1181,6 +1183,9 @@ static void ccdc_configure(struct isp_ccdc_device *ccdc)
isp_reg_writel(isp, syn_mode, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_SYN_MODE);
+ if (format->code == V4L2_MBUS_FMT_UYVY8_2X8)
+ isp_reg_set(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_CFG,
+ ISPCCDC_CFG_Y8POS);
/* Mosaic filter */
switch (format->code) {
case V4L2_MBUS_FMT_SRGGB10_1X10:
@@ -1200,7 +1205,10 @@ static void ccdc_configure(struct isp_ccdc_device *ccdc)
ccdc_pattern = ccdc_sgrbg_pattern;
break;
}
- ccdc_config_imgattr(ccdc, ccdc_pattern);
+
+ if ((format->code != V4L2_MBUS_FMT_YUYV8_2X8) &&
+ (format->code != V4L2_MBUS_FMT_UYVY8_2X8))
+ ccdc_config_imgattr(ccdc, ccdc_pattern);
/* Generate VD0 on the last line of the image and VD1 on the
* 2/3 height line.
@@ -1221,6 +1229,15 @@ static void ccdc_configure(struct isp_ccdc_device *ccdc)
<< ISPCCDC_VERT_LINES_NLV_SHIFT,
OMAP3_ISP_IOMEM_CCDC, ISPCCDC_VERT_LINES);
+ isp_reg_clr(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_SDOFST,
+ ISPCCDC_SDOFST_LOFST_MASK << ISPCCDC_SDOFST_LOFST0_SHIFT);
+ isp_reg_clr(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_SDOFST,
+ ISPCCDC_SDOFST_LOFST_MASK << ISPCCDC_SDOFST_LOFST1_SHIFT);
+ isp_reg_clr(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_SDOFST,
+ ISPCCDC_SDOFST_LOFST_MASK << ISPCCDC_SDOFST_LOFST2_SHIFT);
+ isp_reg_clr(isp, OMAP3_ISP_IOMEM_CCDC, ISPCCDC_SDOFST,
+ ISPCCDC_SDOFST_LOFST_MASK << ISPCCDC_SDOFST_LOFST3_SHIFT);
+
ccdc_config_outlineoffset(ccdc, ccdc->video_out.bpl_value, 0, 0);
/* CCDC_PAD_SOURCE_VP */
@@ -1270,6 +1287,7 @@ static void __ccdc_enable(struct isp_ccdc_device *ccdc, int enable)
ISPCCDC_PCR_EN, enable ? ISPCCDC_PCR_EN : 0);
}
+static int __ccdc_handle_stopping(struct isp_ccdc_device *ccdc, u32 event);
static int ccdc_disable(struct isp_ccdc_device *ccdc)
{
unsigned long flags;
@@ -1280,6 +1298,11 @@ static int ccdc_disable(struct isp_ccdc_device *ccdc)
ccdc->stopping = CCDC_STOP_REQUEST;
spin_unlock_irqrestore(&ccdc->lock, flags);
+ __ccdc_lsc_enable(ccdc, 0);
+ __ccdc_enable(ccdc, 0);
+ ccdc->stopping = CCDC_STOP_EXECUTED;
+ __ccdc_handle_stopping(ccdc, CCDC_STOP_FINISHED);
+
ret = wait_event_timeout(ccdc->wait,
ccdc->stopping == CCDC_STOP_FINISHED,
msecs_to_jiffies(2000));
@@ -1735,7 +1758,7 @@ static int ccdc_set_stream(struct v4l2_subdev *sd, int enable)
* links are inactive.
*/
ccdc_config_vp(ccdc);
- ccdc_enable_vp(ccdc, 1);
+ ccdc_enable_vp(ccdc, 0);
ccdc->error = 0;
ccdc_print_status(ccdc);
}
@@ -2265,7 +2288,7 @@ int omap3isp_ccdc_init(struct isp_device *isp)
ccdc->vpcfg.pixelclk = 0;
- ccdc->update = OMAP3ISP_CCDC_BLCLAMP;
+ ccdc->update = 0;
ccdc_apply_controls(ccdc);
return ccdc_init_entities(ccdc);
diff --git a/drivers/media/video/omap3isp/ispreg.h b/drivers/media/video/omap3isp/ispreg.h
index 69f6af6..ada39c6 100644
--- a/drivers/media/video/omap3isp/ispreg.h
+++ b/drivers/media/video/omap3isp/ispreg.h
@@ -827,6 +827,7 @@
#define ISPCCDC_SDOFST_LOFST2_SHIFT 3
#define ISPCCDC_SDOFST_LOFST1_SHIFT 6
#define ISPCCDC_SDOFST_LOFST0_SHIFT 9
+#define ISPCCDC_SDOFST_LOFST_MASK 0x7
#define EVENEVEN 1
#define ODDEVEN 2
#define EVENODD 3
diff --git a/drivers/media/video/omap3isp/ispvideo.c b/drivers/media/video/omap3isp/ispvideo.c
index ff0ffed..d595d01 100644
--- a/drivers/media/video/omap3isp/ispvideo.c
+++ b/drivers/media/video/omap3isp/ispvideo.c
@@ -104,6 +104,9 @@ static struct isp_format_info formats[] = {
{ V4L2_MBUS_FMT_UYVY8_2X8, V4L2_MBUS_FMT_UYVY8_2X8,
V4L2_MBUS_FMT_UYVY8_2X8, 0,
V4L2_PIX_FMT_UYVY, 16, },
+ { V4L2_MBUS_FMT_YUYV8_2X8, V4L2_MBUS_FMT_YUYV8_2X8,
+ V4L2_MBUS_FMT_YUYV8_2X8, 0,
+ V4L2_PIX_FMT_YUYV, 16, },
};
const struct isp_format_info *
--
1.7.0.4
More information about the linux-arm-kernel
mailing list