From patchwork Wed Jan 21 11:53:40 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hardik Shah X-Patchwork-Id: 439 Return-path: Envelope-to: mchehab@infradead.org Delivery-date: Wed, 21 Jan 2009 11:54:10 +0000 Received: from vger.kernel.org ([209.132.176.167]) by bombadil.infradead.org with esmtp (Exim 4.69 #1 (Red Hat Linux)) id 1LPbes-00051i-GP for mchehab@infradead.org; Wed, 21 Jan 2009 11:54:10 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756228AbZAULyJ (ORCPT ); Wed, 21 Jan 2009 06:54:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757515AbZAULyJ (ORCPT ); Wed, 21 Jan 2009 06:54:09 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:45529 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756228AbZAULyI (ORCPT ); Wed, 21 Jan 2009 06:54:08 -0500 Received: from dbdp31.itg.ti.com ([172.24.170.98]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id n0LBrki3028619; Wed, 21 Jan 2009 05:53:52 -0600 Received: from localhost.localdomain (localhost [127.0.0.1]) by dbdp31.itg.ti.com (8.13.8/8.13.8) with ESMTP id n0LBreC3020815; Wed, 21 Jan 2009 17:23:41 +0530 (IST) From: Hardik Shah To: video4linux-list@redhat.com, linux-media@vger.kernel.org Cc: Hardik Shah , Brijesh Jadav , Hari Nagalla , Manjunath Hadli , R Sivaraj , Vaibhav Hiremath Subject: [PATCH] New V4L2 ioctls for OMAP class of Devices Date: Wed, 21 Jan 2009 17:23:40 +0530 Message-Id: <1232538820-20307-1-git-send-email-hardik.shah@ti.com> X-Mailer: git-send-email 1.5.6 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org 1. Control ID added for rotation. Same as HFLIP. 2. Control ID added for setting background color on output device. 3. New ioctl added for setting the color space conversion from YUV to RGB. Signed-off-by: Brijesh Jadav Signed-off-by: Hari Nagalla Signed-off-by: Hardik Shah Signed-off-by: Manjunath Hadli Signed-off-by: R Sivaraj Signed-off-by: Vaibhav Hiremath --- linux/drivers/media/video/v4l2-ioctl.c | 19 ++++++++++++++++++- linux/include/linux/videodev2.h | 19 ++++++++++++++++++- linux/include/media/v4l2-ioctl.h | 4 ++++ 3 files changed, 40 insertions(+), 2 deletions(-) -- 1.5.6 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/linux/drivers/media/video/v4l2-ioctl.c b/linux/drivers/media/video/v4l2-ioctl.c index 165bc90..7599da8 100644 --- a/linux/drivers/media/video/v4l2-ioctl.c +++ b/linux/drivers/media/video/v4l2-ioctl.c @@ -270,6 +270,8 @@ static const char *v4l2_ioctls[] = { [_IOC_NR(VIDIOC_DBG_G_CHIP_IDENT)] = "VIDIOC_DBG_G_CHIP_IDENT", [_IOC_NR(VIDIOC_S_HW_FREQ_SEEK)] = "VIDIOC_S_HW_FREQ_SEEK", #endif + [_IOC_NR(VIDIOC_S_COLOR_SPACE_CONV)] = "VIDIOC_S_COLOR_SPACE_CONV", + [_IOC_NR(VIDIOC_G_COLOR_SPACE_CONV)] = "VIDIOC_G_COLOR_SPACE_CONV", }; #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) @@ -1838,7 +1840,22 @@ static long __video_do_ioctl(struct file *file, } break; } - + case VIDIOC_S_COLOR_SPACE_CONV: + { + struct v4l2_color_space_conversion *p = arg; + if (!ops->vidioc_s_color_space_conv) + break; + ret = ops->vidioc_s_color_space_conv(file, fh, p); + break; + } + case VIDIOC_G_COLOR_SPACE_CONV: + { + struct v4l2_color_space_conversion *p = arg; + if (!ops->vidioc_g_color_space_conv) + break; + ret = ops->vidioc_g_color_space_conv(file, fh, p); + break; + } default: { if (!ops->vidioc_default) diff --git a/linux/include/linux/videodev2.h b/linux/include/linux/videodev2.h index b0c5010..9fbc3b0 100644 --- a/linux/include/linux/videodev2.h +++ b/linux/include/linux/videodev2.h @@ -879,8 +879,10 @@ enum v4l2_power_line_frequency { #define V4L2_CID_BACKLIGHT_COMPENSATION (V4L2_CID_BASE+28) #define V4L2_CID_CHROMA_AGC (V4L2_CID_BASE+29) #define V4L2_CID_COLOR_KILLER (V4L2_CID_BASE+30) +#define V4L2_CID_ROTATION (V4L2_CID_BASE+31) +#define V4L2_CID_BG_COLOR (V4L2_CID_BASE+32) /* last CID + 1 */ -#define V4L2_CID_LASTP1 (V4L2_CID_BASE+31) +#define V4L2_CID_LASTP1 (V4L2_CID_BASE+33) /* MPEG-class control IDs defined by V4L2 */ #define V4L2_CID_MPEG_BASE (V4L2_CTRL_CLASS_MPEG | 0x900) @@ -1192,6 +1194,17 @@ struct v4l2_hw_freq_seek { }; /* + * Color conversion + * User needs to pass pointer to color conversion matrix + * defined by hardware + */ +struct v4l2_color_space_conversion { + __s32 coefficients[3][3]; + __s32 const_factor; + __s32 offsets[3]; +}; + +/* * A U D I O */ struct v4l2_audio { @@ -1493,9 +1506,13 @@ struct v4l2_chip_ident_old { #endif #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) + +#define VIDIOC_S_COLOR_SPACE_CONV _IOW('V', 83, struct v4l2_color_space_conversion) +#define VIDIOC_G_COLOR_SPACE_CONV _IOR('V', 84, struct v4l2_color_space_conversion) /* Reminder: when adding new ioctls please add support for them to drivers/media/video/v4l2-compat-ioctl32.c as well! */ + #ifdef __OLD_VIDIOC_ /* for compatibility, will go away some day */ #define VIDIOC_OVERLAY_OLD _IOWR('V', 14, int) diff --git a/linux/include/media/v4l2-ioctl.h b/linux/include/media/v4l2-ioctl.h index b01c044..0c44ecf 100644 --- a/linux/include/media/v4l2-ioctl.h +++ b/linux/include/media/v4l2-ioctl.h @@ -241,6 +241,10 @@ struct v4l2_ioctl_ops { /* For other private ioctls */ long (*vidioc_default) (struct file *file, void *fh, int cmd, void *arg); + int (*vidioc_s_color_space_conv) (struct file *file, void *fh, + struct v4l2_color_space_conversion *a); + int (*vidioc_g_color_space_conv) (struct file *file, void *fh, + struct v4l2_color_space_conversion *a); };