From mboxrd@z Thu Jan 1 00:00:00 1970 From: deepthy.ravi@ti.com (Deepthy Ravi) Date: Thu, 8 Sep 2011 19:05:44 +0530 Subject: [PATCH 5/8] ispccdc: Configure CCDC registers Message-ID: <1315488944-16190-1-git-send-email-deepthy.ravi@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Vaibhav Hiremath Configure the CCDC registers for YUV and non YUV data. Also some code clean-up for making it compact. Signed-off-by: Vaibhav Hiremath Signed-off-by: Deepthy Ravi --- 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