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Date: Tue, 18 Sep 2012 10:36:47 +0530
From: Prabhakar Lad <prabhakar.csengg@...il.com>
To: Mauro Carvalho Chehab <mchehab@...hat.com>
Cc: LMML <linux-media@...r.kernel.org>,
dlos <davinci-linux-open-source@...ux.davincidsp.com>,
linux-kernel@...r.kernel.org, Hans Verkuil <hansverk@...co.com>,
Hans Verkuil <hans.verkuil@...co.com>,
Prabhakar Lad <prabhakar.lad@...com>,
Manjunath Hadli <manjunath.hadli@...com>
Subject: Re: [PATCH] vpif: replace preset with the timings API.
Hi Mauro,
On Wed, Aug 8, 2012 at 5:39 PM, Prabhakar Lad <prabhakar.lad@...com> wrote:
> From: Hans Verkuil <hans.verkuil@...co.com>
>
> Signed-off-by: Hans Verkuil <hans.verkuil@...co.com>
> Signed-off-by: Lad, Prabhakar <prabhakar.lad@...com>
> Signed-off-by: Manjunath Hadli <manjunath.hadli@...com>
> ---
> drivers/media/video/davinci/vpif.c | 16 ++--
> drivers/media/video/davinci/vpif.h | 4 +-
> drivers/media/video/davinci/vpif_capture.c | 114 +++++-----------------------
> drivers/media/video/davinci/vpif_capture.h | 3 +-
> drivers/media/video/davinci/vpif_display.c | 102 +++----------------------
> drivers/media/video/davinci/vpif_display.h | 3 +-
> 6 files changed, 43 insertions(+), 199 deletions(-)
>
Can you pull these patch ? Please inform me if anything is needed
from my side.
Regards,
--Prabhakar
> diff --git a/drivers/media/video/davinci/vpif.c b/drivers/media/video/davinci/vpif.c
> index b3637af..b95bff7 100644
> --- a/drivers/media/video/davinci/vpif.c
> +++ b/drivers/media/video/davinci/vpif.c
> @@ -25,6 +25,8 @@
> #include <linux/io.h>
> #include <linux/clk.h>
> #include <linux/err.h>
> +#include <linux/v4l2-dv-timings.h>
> +
> #include <mach/hardware.h>
>
> #include "vpif.h"
> @@ -65,7 +67,7 @@ const struct vpif_channel_config_params ch_params[] = {
> .capture_format = 0,
> .vbi_supported = 0,
> .hd_sd = 1,
> - .dv_preset = V4L2_DV_480P59_94,
> + .dv_timings = V4L2_DV_BT_CEA_720X480P59_94,
> },
> {
> .name = "576p50",
> @@ -82,7 +84,7 @@ const struct vpif_channel_config_params ch_params[] = {
> .capture_format = 0,
> .vbi_supported = 0,
> .hd_sd = 1,
> - .dv_preset = V4L2_DV_576P50,
> + .dv_timings = V4L2_DV_BT_CEA_720X576P50,
> },
> {
> .name = "720p50",
> @@ -99,7 +101,7 @@ const struct vpif_channel_config_params ch_params[] = {
> .capture_format = 0,
> .vbi_supported = 0,
> .hd_sd = 1,
> - .dv_preset = V4L2_DV_720P50,
> + .dv_timings = V4L2_DV_BT_CEA_1280X720P50,
> },
> {
> .name = "720p60",
> @@ -116,7 +118,7 @@ const struct vpif_channel_config_params ch_params[] = {
> .capture_format = 0,
> .vbi_supported = 0,
> .hd_sd = 1,
> - .dv_preset = V4L2_DV_720P60,
> + .dv_timings = V4L2_DV_BT_CEA_1280X720P60,
> },
> {
> .name = "1080I50",
> @@ -136,7 +138,7 @@ const struct vpif_channel_config_params ch_params[] = {
> .capture_format = 0,
> .vbi_supported = 0,
> .hd_sd = 1,
> - .dv_preset = V4L2_DV_1080I50,
> + .dv_timings = V4L2_DV_BT_CEA_1920X1080I50,
> },
> {
> .name = "1080I60",
> @@ -156,7 +158,7 @@ const struct vpif_channel_config_params ch_params[] = {
> .capture_format = 0,
> .vbi_supported = 0,
> .hd_sd = 1,
> - .dv_preset = V4L2_DV_1080I60,
> + .dv_timings = V4L2_DV_BT_CEA_1920X1080I60,
> },
> {
> .name = "1080p60",
> @@ -173,7 +175,7 @@ const struct vpif_channel_config_params ch_params[] = {
> .capture_format = 0,
> .vbi_supported = 0,
> .hd_sd = 1,
> - .dv_preset = V4L2_DV_1080P60,
> + .dv_timings = V4L2_DV_BT_CEA_1920X1080P60,
> },
>
> /* SDTV formats */
> diff --git a/drivers/media/video/davinci/vpif.h b/drivers/media/video/davinci/vpif.h
> index c2ce4d9..a1ab6a0 100644
> --- a/drivers/media/video/davinci/vpif.h
> +++ b/drivers/media/video/davinci/vpif.h
> @@ -533,7 +533,7 @@ static inline void channel2_clipping_enable(int enable)
> }
> }
>
> -/* function to enable clipping (for both active and blanking regions) on ch 2 */
> +/* function to enable clipping (for both active and blanking regions) on ch 3 */
> static inline void channel3_clipping_enable(int enable)
> {
> if (enable) {
> @@ -634,7 +634,7 @@ struct vpif_channel_config_params {
> * supports capturing vbi or not */
> u8 hd_sd; /* HDTV (1) or SDTV (0) format */
> v4l2_std_id stdid; /* SDTV format */
> - u32 dv_preset; /* HDTV format */
> + struct v4l2_dv_timings dv_timings; /* HDTV format */
> };
>
> extern const unsigned int vpif_ch_params_count;
> diff --git a/drivers/media/video/davinci/vpif_capture.c b/drivers/media/video/davinci/vpif_capture.c
> index 266025e..e684c48 100644
> --- a/drivers/media/video/davinci/vpif_capture.c
> +++ b/drivers/media/video/davinci/vpif_capture.c
> @@ -551,7 +551,8 @@ static int vpif_update_std_info(struct channel_obj *ch)
> }
> } else {
> vpif_dbg(2, debug, "HD format\n");
> - if (config->dv_preset == vid_ch->dv_preset) {
> + if (!memcmp(&config->dv_timings, &vid_ch->dv_timings,
> + sizeof(vid_ch->dv_timings))) {
> memcpy(std_info, config, sizeof(*config));
> break;
> }
> @@ -1368,8 +1369,7 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id *std_id)
>
> /* Call encoder subdevice function to set the standard */
> ch->video.stdid = *std_id;
> - ch->video.dv_preset = V4L2_DV_INVALID;
> - memset(&ch->video.bt_timings, 0, sizeof(ch->video.bt_timings));
> + memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings));
>
> /* Get the information about the standard */
> if (vpif_update_std_info(ch)) {
> @@ -1703,108 +1703,35 @@ static int vpif_cropcap(struct file *file, void *priv,
> }
>
> /**
> - * vpif_enum_dv_presets() - ENUM_DV_PRESETS handler
> + * vpif_enum_dv_timings() - ENUM_DV_TIMINGS handler
> * @file: file ptr
> * @priv: file handle
> - * @preset: input preset
> + * @timings: input timings
> */
> -static int vpif_enum_dv_presets(struct file *file, void *priv,
> - struct v4l2_dv_enum_preset *preset)
> +static int vpif_enum_dv_timings(struct file *file, void *priv,
> + struct v4l2_enum_dv_timings *timings)
> {
> struct vpif_fh *fh = priv;
> struct channel_obj *ch = fh->channel;
>
> return v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index],
> - video, enum_dv_presets, preset);
> + video, enum_dv_timings, timings);
> }
>
> /**
> - * vpif_query_dv_presets() - QUERY_DV_PRESET handler
> + * vpif_query_dv_timings() - QUERY_DV_TIMINGS handler
> * @file: file ptr
> * @priv: file handle
> - * @preset: input preset
> + * @timings: input timings
> */
> -static int vpif_query_dv_preset(struct file *file, void *priv,
> - struct v4l2_dv_preset *preset)
> +static int vpif_query_dv_timings(struct file *file, void *priv,
> + struct v4l2_dv_timings *timings)
> {
> struct vpif_fh *fh = priv;
> struct channel_obj *ch = fh->channel;
>
> return v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index],
> - video, query_dv_preset, preset);
> -}
> -/**
> - * vpif_s_dv_presets() - S_DV_PRESETS handler
> - * @file: file ptr
> - * @priv: file handle
> - * @preset: input preset
> - */
> -static int vpif_s_dv_preset(struct file *file, void *priv,
> - struct v4l2_dv_preset *preset)
> -{
> - struct vpif_fh *fh = priv;
> - struct channel_obj *ch = fh->channel;
> - struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
> - int ret = 0;
> -
> - if (common->started) {
> - vpif_dbg(1, debug, "streaming in progress\n");
> - return -EBUSY;
> - }
> -
> - if ((VPIF_CHANNEL0_VIDEO == ch->channel_id) ||
> - (VPIF_CHANNEL1_VIDEO == ch->channel_id)) {
> - if (!fh->initialized) {
> - vpif_dbg(1, debug, "Channel Busy\n");
> - return -EBUSY;
> - }
> - }
> -
> - ret = v4l2_prio_check(&ch->prio, fh->prio);
> - if (ret)
> - return ret;
> -
> - fh->initialized = 1;
> -
> - /* Call encoder subdevice function to set the standard */
> - if (mutex_lock_interruptible(&common->lock))
> - return -ERESTARTSYS;
> -
> - ch->video.dv_preset = preset->preset;
> - ch->video.stdid = V4L2_STD_UNKNOWN;
> - memset(&ch->video.bt_timings, 0, sizeof(ch->video.bt_timings));
> -
> - /* Get the information about the standard */
> - if (vpif_update_std_info(ch)) {
> - vpif_dbg(1, debug, "Error getting the standard info\n");
> - ret = -EINVAL;
> - } else {
> - /* Configure the default format information */
> - vpif_config_format(ch);
> -
> - ret = v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index],
> - video, s_dv_preset, preset);
> - }
> -
> - mutex_unlock(&common->lock);
> -
> - return ret;
> -}
> -/**
> - * vpif_g_dv_presets() - G_DV_PRESETS handler
> - * @file: file ptr
> - * @priv: file handle
> - * @preset: input preset
> - */
> -static int vpif_g_dv_preset(struct file *file, void *priv,
> - struct v4l2_dv_preset *preset)
> -{
> - struct vpif_fh *fh = priv;
> - struct channel_obj *ch = fh->channel;
> -
> - preset->preset = ch->video.dv_preset;
> -
> - return 0;
> + video, query_dv_timings, timings);
> }
>
> /**
> @@ -1821,7 +1748,7 @@ static int vpif_s_dv_timings(struct file *file, void *priv,
> struct vpif_params *vpifparams = &ch->vpifparams;
> struct vpif_channel_config_params *std_info = &vpifparams->std_info;
> struct video_obj *vid_ch = &ch->video;
> - struct v4l2_bt_timings *bt = &vid_ch->bt_timings;
> + struct v4l2_bt_timings *bt = &vid_ch->dv_timings.bt;
> int ret;
>
> if (timings->type != V4L2_DV_BT_656_1120) {
> @@ -1857,7 +1784,7 @@ static int vpif_s_dv_timings(struct file *file, void *priv,
> return -EINVAL;
> }
>
> - *bt = timings->bt;
> + vid_ch->dv_timings = *timings;
>
> /* Configure video port timings */
>
> @@ -1900,10 +1827,8 @@ static int vpif_s_dv_timings(struct file *file, void *priv,
> std_info->vbi_supported = 0;
> std_info->hd_sd = 1;
> std_info->stdid = 0;
> - std_info->dv_preset = V4L2_DV_INVALID;
>
> vid_ch->stdid = 0;
> - vid_ch->dv_preset = V4L2_DV_INVALID;
> return 0;
> }
>
> @@ -1919,9 +1844,8 @@ static int vpif_g_dv_timings(struct file *file, void *priv,
> struct vpif_fh *fh = priv;
> struct channel_obj *ch = fh->channel;
> struct video_obj *vid_ch = &ch->video;
> - struct v4l2_bt_timings *bt = &vid_ch->bt_timings;
>
> - timings->bt = *bt;
> + *timings = vid_ch->dv_timings;
>
> return 0;
> }
> @@ -2024,10 +1948,8 @@ static const struct v4l2_ioctl_ops vpif_ioctl_ops = {
> .vidioc_streamon = vpif_streamon,
> .vidioc_streamoff = vpif_streamoff,
> .vidioc_cropcap = vpif_cropcap,
> - .vidioc_enum_dv_presets = vpif_enum_dv_presets,
> - .vidioc_s_dv_preset = vpif_s_dv_preset,
> - .vidioc_g_dv_preset = vpif_g_dv_preset,
> - .vidioc_query_dv_preset = vpif_query_dv_preset,
> + .vidioc_enum_dv_timings = vpif_enum_dv_timings,
> + .vidioc_query_dv_timings = vpif_query_dv_timings,
> .vidioc_s_dv_timings = vpif_s_dv_timings,
> .vidioc_g_dv_timings = vpif_g_dv_timings,
> .vidioc_g_chip_ident = vpif_g_chip_ident,
> diff --git a/drivers/media/video/davinci/vpif_capture.h b/drivers/media/video/davinci/vpif_capture.h
> index 3511510..aa6d3da 100644
> --- a/drivers/media/video/davinci/vpif_capture.h
> +++ b/drivers/media/video/davinci/vpif_capture.h
> @@ -54,8 +54,7 @@ struct video_obj {
> enum v4l2_field buf_field;
> /* Currently selected or default standard */
> v4l2_std_id stdid;
> - u32 dv_preset;
> - struct v4l2_bt_timings bt_timings;
> + struct v4l2_dv_timings dv_timings;
> /* This is to track the last input that is passed to application */
> u32 input_idx;
> };
> diff --git a/drivers/media/video/davinci/vpif_display.c b/drivers/media/video/davinci/vpif_display.c
> index e129c98..199eb96 100644
> --- a/drivers/media/video/davinci/vpif_display.c
> +++ b/drivers/media/video/davinci/vpif_display.c
> @@ -499,12 +499,6 @@ static int vpif_update_std_info(struct channel_obj *ch)
> memcpy(std_info, config, sizeof(*config));
> break;
> }
> - } else {
> - vpif_dbg(2, debug, "HD format\n");
> - if (config->dv_preset == vid_ch->dv_preset) {
> - memcpy(std_info, config, sizeof(*config));
> - break;
> - }
> }
> }
>
> @@ -523,10 +517,10 @@ static int vpif_update_resolution(struct channel_obj *ch)
> struct vpif_params *vpifparams = &ch->vpifparams;
> struct vpif_channel_config_params *std_info = &vpifparams->std_info;
>
> - if (!vid_ch->stdid && !vid_ch->dv_preset && !vid_ch->bt_timings.height)
> + if (!vid_ch->stdid && !vid_ch->dv_timings.bt.height)
> return -EINVAL;
>
> - if (vid_ch->stdid || vid_ch->dv_preset) {
> + if (vid_ch->stdid) {
> if (vpif_update_std_info(ch))
> return -EINVAL;
> }
> @@ -1039,8 +1033,7 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id *std_id)
>
> /* Call encoder subdevice function to set the standard */
> ch->video.stdid = *std_id;
> - ch->video.dv_preset = V4L2_DV_INVALID;
> - memset(&ch->video.bt_timings, 0, sizeof(ch->video.bt_timings));
> + memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings));
>
> /* Get the information about the standard */
> if (vpif_update_resolution(ch))
> @@ -1271,87 +1264,22 @@ static int vpif_s_priority(struct file *file, void *priv, enum v4l2_priority p)
> }
>
> /**
> - * vpif_enum_dv_presets() - ENUM_DV_PRESETS handler
> + * vpif_enum_dv_timings() - ENUM_DV_TIMINGS handler
> * @file: file ptr
> * @priv: file handle
> - * @preset: input preset
> + * @timings: input timings
> */
> -static int vpif_enum_dv_presets(struct file *file, void *priv,
> - struct v4l2_dv_enum_preset *preset)
> +static int vpif_enum_dv_timings(struct file *file, void *priv,
> + struct v4l2_enum_dv_timings *timings)
> {
> struct vpif_fh *fh = priv;
> struct channel_obj *ch = fh->channel;
> struct video_obj *vid_ch = &ch->video;
>
> return v4l2_subdev_call(vpif_obj.sd[vid_ch->output_id],
> - video, enum_dv_presets, preset);
> -}
> -
> -/**
> - * vpif_s_dv_presets() - S_DV_PRESETS handler
> - * @file: file ptr
> - * @priv: file handle
> - * @preset: input preset
> - */
> -static int vpif_s_dv_preset(struct file *file, void *priv,
> - struct v4l2_dv_preset *preset)
> -{
> - struct vpif_fh *fh = priv;
> - struct channel_obj *ch = fh->channel;
> - struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
> - struct video_obj *vid_ch = &ch->video;
> - int ret = 0;
> -
> - if (common->started) {
> - vpif_dbg(1, debug, "streaming in progress\n");
> - return -EBUSY;
> - }
> -
> - ret = v4l2_prio_check(&ch->prio, fh->prio);
> - if (ret != 0)
> - return ret;
> -
> - fh->initialized = 1;
> -
> - /* Call encoder subdevice function to set the standard */
> - if (mutex_lock_interruptible(&common->lock))
> - return -ERESTARTSYS;
> -
> - ch->video.dv_preset = preset->preset;
> - ch->video.stdid = V4L2_STD_UNKNOWN;
> - memset(&ch->video.bt_timings, 0, sizeof(ch->video.bt_timings));
> -
> - /* Get the information about the standard */
> - if (vpif_update_resolution(ch)) {
> - ret = -EINVAL;
> - } else {
> - /* Configure the default format information */
> - vpif_config_format(ch);
> -
> - ret = v4l2_subdev_call(vpif_obj.sd[vid_ch->output_id],
> - video, s_dv_preset, preset);
> - }
> -
> - mutex_unlock(&common->lock);
> -
> - return ret;
> + video, enum_dv_timings, timings);
> }
> -/**
> - * vpif_g_dv_presets() - G_DV_PRESETS handler
> - * @file: file ptr
> - * @priv: file handle
> - * @preset: input preset
> - */
> -static int vpif_g_dv_preset(struct file *file, void *priv,
> - struct v4l2_dv_preset *preset)
> -{
> - struct vpif_fh *fh = priv;
> - struct channel_obj *ch = fh->channel;
> -
> - preset->preset = ch->video.dv_preset;
>
> - return 0;
> -}
> /**
> * vpif_s_dv_timings() - S_DV_TIMINGS handler
> * @file: file ptr
> @@ -1366,7 +1294,7 @@ static int vpif_s_dv_timings(struct file *file, void *priv,
> struct vpif_params *vpifparams = &ch->vpifparams;
> struct vpif_channel_config_params *std_info = &vpifparams->std_info;
> struct video_obj *vid_ch = &ch->video;
> - struct v4l2_bt_timings *bt = &vid_ch->bt_timings;
> + struct v4l2_bt_timings *bt = &vid_ch->dv_timings.bt;
> int ret;
>
> if (timings->type != V4L2_DV_BT_656_1120) {
> @@ -1402,7 +1330,7 @@ static int vpif_s_dv_timings(struct file *file, void *priv,
> return -EINVAL;
> }
>
> - *bt = timings->bt;
> + vid_ch->dv_timings = *timings;
>
> /* Configure video port timings */
>
> @@ -1446,10 +1374,7 @@ static int vpif_s_dv_timings(struct file *file, void *priv,
> std_info->vbi_supported = 0;
> std_info->hd_sd = 1;
> std_info->stdid = 0;
> - std_info->dv_preset = V4L2_DV_INVALID;
> -
> vid_ch->stdid = 0;
> - vid_ch->dv_preset = V4L2_DV_INVALID;
>
> return 0;
> }
> @@ -1466,9 +1391,8 @@ static int vpif_g_dv_timings(struct file *file, void *priv,
> struct vpif_fh *fh = priv;
> struct channel_obj *ch = fh->channel;
> struct video_obj *vid_ch = &ch->video;
> - struct v4l2_bt_timings *bt = &vid_ch->bt_timings;
>
> - timings->bt = *bt;
> + *timings = vid_ch->dv_timings;
>
> return 0;
> }
> @@ -1572,9 +1496,7 @@ static const struct v4l2_ioctl_ops vpif_ioctl_ops = {
> .vidioc_s_output = vpif_s_output,
> .vidioc_g_output = vpif_g_output,
> .vidioc_cropcap = vpif_cropcap,
> - .vidioc_enum_dv_presets = vpif_enum_dv_presets,
> - .vidioc_s_dv_preset = vpif_s_dv_preset,
> - .vidioc_g_dv_preset = vpif_g_dv_preset,
> + .vidioc_enum_dv_timings = vpif_enum_dv_timings,
> .vidioc_s_dv_timings = vpif_s_dv_timings,
> .vidioc_g_dv_timings = vpif_g_dv_timings,
> .vidioc_g_chip_ident = vpif_g_chip_ident,
> diff --git a/drivers/media/video/davinci/vpif_display.h b/drivers/media/video/davinci/vpif_display.h
> index 8967ffb..1263de6 100644
> --- a/drivers/media/video/davinci/vpif_display.h
> +++ b/drivers/media/video/davinci/vpif_display.h
> @@ -62,8 +62,7 @@ struct video_obj {
> * most recent displayed frame only */
> v4l2_std_id stdid; /* Currently selected or default
> * standard */
> - u32 dv_preset;
> - struct v4l2_bt_timings bt_timings;
> + struct v4l2_dv_timings dv_timings;
> u32 output_id; /* Current output id */
> };
>
> --
> 1.7.0.4
>
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