From patchwork Wed Oct 21 22:40:54 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Murali Karicheri X-Patchwork-Id: 55230 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n9LMex12009071 for ; Wed, 21 Oct 2009 22:40:59 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755132AbZJUWkx (ORCPT ); Wed, 21 Oct 2009 18:40:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755137AbZJUWkx (ORCPT ); Wed, 21 Oct 2009 18:40:53 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:46478 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755002AbZJUWkw (ORCPT ); Wed, 21 Oct 2009 18:40:52 -0400 Received: from dlep35.itg.ti.com ([157.170.170.118]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id n9LMeuXv006960 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 21 Oct 2009 17:40:56 -0500 Received: from legion.dal.design.ti.com (localhost [127.0.0.1]) by dlep35.itg.ti.com (8.13.7/8.13.7) with ESMTP id n9LMeulM027466; Wed, 21 Oct 2009 17:40:56 -0500 (CDT) Received: from gt516km11.gt.design.ti.com (gt516km11.gt.design.ti.com [158.218.100.179]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id n9LMetZ07942; Wed, 21 Oct 2009 17:40:55 -0500 (CDT) Received: from gt516km11.gt.design.ti.com (localhost.localdomain [127.0.0.1]) by gt516km11.gt.design.ti.com (8.13.1/8.13.1) with ESMTP id n9LMet8F021779; Wed, 21 Oct 2009 18:40:55 -0400 Received: (from a0868495@localhost) by gt516km11.gt.design.ti.com (8.13.1/8.13.1/Submit) id n9LMesLi021776; Wed, 21 Oct 2009 18:40:54 -0400 From: m-karicheri2@ti.com To: linux-media@vger.kernel.org, hverkuil@xs4all.nl Cc: Muralidharan Karicheri Subject: [PATCH] V4L: adding digital video timings APIs Date: Wed, 21 Oct 2009 18:40:54 -0400 Message-Id: <1256164854-21753-1-git-send-email-m-karicheri2@ti.com> X-Mailer: git-send-email 1.6.0.4 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org diff --git a/drivers/media/video/v4l2-compat-ioctl32.c b/drivers/media/video/v4l2-compat-ioctl32.c index 997975d..9277448 100644 --- a/drivers/media/video/v4l2-compat-ioctl32.c +++ b/drivers/media/video/v4l2-compat-ioctl32.c @@ -1077,6 +1077,13 @@ long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg) case VIDIOC_DBG_G_REGISTER: case VIDIOC_DBG_G_CHIP_IDENT: case VIDIOC_S_HW_FREQ_SEEK: + case VIDIOC_ENUM_DV_PRESETS: + case VIDIOC_S_DV_PRESET: + case VIDIOC_G_DV_PRESET: + case VIDIOC_QUERY_DV_PRESET: + case VIDIOC_S_DV_TIMINGS: + case VIDIOC_G_DV_TIMINGS: + ret = do_video_ioctl(file, cmd, arg); break; diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c index 30cc334..10b5678 100644 --- a/drivers/media/video/v4l2-ioctl.c +++ b/drivers/media/video/v4l2-ioctl.c @@ -284,6 +284,12 @@ 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_ENUM_DV_PRESETS)] = "VIDIOC_ENUM_DV_PRESETS", + [_IOC_NR(VIDIOC_S_DV_PRESET)] = "VIDIOC_S_DV_PRESET", + [_IOC_NR(VIDIOC_G_DV_PRESET)] = "VIDIOC_G_DV_PRESET", + [_IOC_NR(VIDIOC_QUERY_DV_PRESET)] = "VIDIOC_QUERY_DV_PRESET", + [_IOC_NR(VIDIOC_S_DV_TIMINGS)] = "VIDIOC_S_DV_TIMINGS", + [_IOC_NR(VIDIOC_G_DV_TIMINGS)] = "VIDIOC_G_DV_TIMINGS", }; #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) @@ -1794,6 +1800,122 @@ static long __video_do_ioctl(struct file *file, } break; } + case VIDIOC_ENUM_DV_PRESETS: + { + struct v4l2_dv_enum_preset *p = arg; + + if (!ops->vidioc_enum_dv_presets) + break; + + ret = ops->vidioc_enum_dv_presets(file, fh, p); + if (!ret) + dbgarg(cmd, + "index=%d, preset=%d, name=%s, width=%d," + " height=%d ", + p->index, p->preset, p->name, p->width, + p->height); + break; + } + case VIDIOC_S_DV_PRESET: + { + struct v4l2_dv_preset *p = arg; + + if (!ops->vidioc_s_dv_preset) + break; + + dbgarg(cmd, "preset=%d\n", p->preset); + ret = ops->vidioc_s_dv_preset(file, fh, p); + break; + } + case VIDIOC_G_DV_PRESET: + { + struct v4l2_dv_preset *p = arg; + + if (!ops->vidioc_g_dv_preset) + break; + + ret = ops->vidioc_g_dv_preset(file, fh, p); + if (!ret) + dbgarg(cmd, "preset=%d\n", p->preset); + break; + } + case VIDIOC_QUERY_DV_PRESET: + { + struct v4l2_dv_preset *p = arg; + + if (!ops->vidioc_query_dv_preset) + break; + + ret = ops->vidioc_query_dv_preset(file, fh, p); + if (!ret) + dbgarg(cmd, "preset=%d\n", p->preset); + break; + } + case VIDIOC_S_DV_TIMINGS: + { + struct v4l2_dv_timings *p = arg; + + if (!ops->vidioc_s_dv_timings) + break; + + dbgarg(cmd, "type=%d", p->type); + switch (p->type) { + case V4L2_DV_BT_656_1120: + dbgarg2("interlaced=%d, pixelclock=%lld," + " width=%d, height=%d, polarities=%x," + " hfrontporch=%d, hsync=%d, hbackporch=%d," + " vfrontporch=%d, vsync=%d, vbackporch=%d," + " il_vfrontporch=%d, il_vsync=%d," + " il_vbackporch=%d\n", + p->bt.interlaced, p->bt.pixelclock, + p->bt.width, p->bt.height, p->bt.polarities, + p->bt.hfrontporch, p->bt.hsync, + p->bt.hbackporch, p->bt.vfrontporch, + p->bt.vsync, p->bt.vbackporch, + p->bt.il_vfrontporch, p->bt.il_vsync, + p->bt.il_vbackporch); + ret = ops->vidioc_s_dv_timings(file, fh, p); + break; + default: + dbgarg2("- Unknown type!\n"); + break; + } + break; + } + case VIDIOC_G_DV_TIMINGS: + { + struct v4l2_dv_timings *p = arg; + + if (!ops->vidioc_g_dv_timings) + break; + + dbgarg(cmd, "type=%d", p->type); + ret = ops->vidioc_g_dv_timings(file, fh, p); + if (!ret) { + switch (p->type) { + case V4L2_DV_BT_656_1120: + dbgarg2("interlaced=%d, pixelclock=%lld," + " width=%d, height=%d, polarities=%x," + " hfrontporch=%d, hsync=%d," + " hbackporch=%d, vfrontporch=%d," + " vsync=%d, vbackporch=%d," + " il_vfrontporch=%d, il_vsync=%d," + " il_vbackporch=%d\n", + p->bt.interlaced, p->bt.pixelclock, + p->bt.width, p->bt.height, + p->bt.polarities, p->bt.hfrontporch, + p->bt.hsync, p->bt.hbackporch, + p->bt.vfrontporch, p->bt.vsync, + p->bt.vbackporch, p->bt.il_vfrontporch, + p->bt.il_vsync, p->bt.il_vbackporch); + break; + default: + dbgarg2("- Unknown type!\n"); + break; + } + } + break; + } default: { diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 469dbd0..3436d4a 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -730,6 +730,119 @@ struct v4l2_standard { }; /* + * V I D E O T I M I N G S D V P R E S E T + */ +struct v4l2_dv_preset { + __u32 preset; + __u32 reserved[4]; +}; + +/* + * D V P R E S E T S E N U M E R A T I O N + */ +struct v4l2_dv_enum_preset { + __u32 index; + __u32 preset; + __u8 name[32]; /* Name of the preset timing */ + __u32 width; + __u32 height; + __u32 reserved[4]; +}; + +/* + * D V P R E S E T V A L U E S + */ +#define V4L2_DV_PRESET_BASE 0x00000000 +#define V4L2_DV_INVALID (V4L2_DV_PRESET_BASE + 0) +/* BT.1362 */ +#define V4L2_DV_480P59_94 (V4L2_DV_PRESET_BASE + 1) +/* BT.1362 */ +#define V4L2_DV_576P50 (V4L2_DV_PRESET_BASE + 2) +/* SMPTE 296M */ +#define V4L2_DV_720P24 (V4L2_DV_PRESET_BASE + 3) +/* SMPTE 296M */ +#define V4L2_DV_720P25 (V4L2_DV_PRESET_BASE + 4) +/* SMPTE 296M */ +#define V4L2_DV_720P30 (V4L2_DV_PRESET_BASE + 5) +/* SMPTE 296M */ +#define V4L2_DV_720P50 (V4L2_DV_PRESET_BASE + 6) +/* SMPTE 274M */ +#define V4L2_DV_720P59_94 (V4L2_DV_PRESET_BASE + 7) +/* SMPTE 274M/296M */ +#define V4L2_DV_720P60 (V4L2_DV_PRESET_BASE + 8) +/* BT.1120/ SMPTE 274M */ +#define V4L2_DV_1080I29_97 (V4L2_DV_PRESET_BASE + 9) +/* BT.1120/ SMPTE 274M */ +#define V4L2_DV_1080I30 (V4L2_DV_PRESET_BASE + 10) +/* BT.1120 */ +#define V4L2_DV_1080I25 (V4L2_DV_PRESET_BASE + 11) +/* SMPTE 296M */ +#define V4L2_DV_1080I50 (V4L2_DV_PRESET_BASE + 12) +/* SMPTE 296M */ +#define V4L2_DV_1080I60 (V4L2_DV_PRESET_BASE + 13) +/* SMPTE 296M */ +#define V4L2_DV_1080P24 (V4L2_DV_PRESET_BASE + 14) +/* SMPTE 296M */ +#define V4L2_DV_1080P25 (V4L2_DV_PRESET_BASE + 15) +/* SMPTE 296M */ +#define V4L2_DV_1080P30 (V4L2_DV_PRESET_BASE + 16) +/* BT.1120 */ +#define V4L2_DV_1080P50 (V4L2_DV_PRESET_BASE + 17) +/* BT.1120 */ +#define V4L2_DV_1080P60 (V4L2_DV_PRESET_BASE + 18) + +/* + * D V B T T I M I N G S + */ + +/* BT.656/BT.1120 timing data */ +struct v4l2_bt_timings { + __u32 width; /* width in pixels */ + __u32 height; /* height in lines */ + __u32 interlaced; /* Interlaced or progressive */ + __u32 polarities; /* Positive or negative polarity */ + __u64 pixelclock; /* Pixel clock in HZ. Ex. 74.25MHz->74250000 */ + __u32 hfrontporch; /* Horizpontal front porch in pixels */ + __u32 hsync; /* Horizontal Sync length in pixels */ + __u32 hbackporch; /* Horizontal back porch in pixels */ + __u32 vfrontporch; /* Vertical front porch in pixels */ + __u32 vsync; /* Vertical Sync length in lines */ + __u32 vbackporch; /* Vertical back porch in lines */ + __u32 il_vfrontporch; /* Vertical front porch for bottom field of + * interlaced field formats + */ + __u32 il_vsync; /* Vertical sync length for bottom field of + * interlaced field formats + */ + __u32 il_vbackporch; /* Vertical back porch for bottom field of + * interlaced field formats + */ + __u32 reserved[16]; +}; + +/* Interlaced or progressive format */ +#define V4L2_DV_PROGRESSIVE 0 +#define V4L2_DV_INTERLACED 1 + +/* Polarities. If bit is not set, it is assumed to be negative polarity */ +#define V4L2_DV_VSYNC_POS_POL 0x00000001 +#define V4L2_DV_HSYNC_POS_POL 0x00000002 + +/* BT.656/1120 timing type */ +enum v4l2_dv_timings_type { + V4L2_DV_BT_656_1120, +}; + +/* DV timings */ +struct v4l2_dv_timings { + enum v4l2_dv_timings_type type; + union { + struct v4l2_bt_timings bt; + __u32 reserved[32]; + }; +}; + +/* * V I D E O I N P U T S */ struct v4l2_input { @@ -740,7 +853,8 @@ struct v4l2_input { __u32 tuner; /* Associated tuner */ v4l2_std_id std; __u32 status; - __u32 reserved[4]; + __u32 capabilities; + __u32 reserved[3]; }; /* Values for the 'type' field */ @@ -771,6 +885,11 @@ struct v4l2_input { #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ +/* capabilities flags */ +#define V4L2_IN_CAP_PRESETS 0x00000001 /* Supports DV_PRESETS */ +#define V4L2_IN_CAP_CUSTOM_TIMINGS 0x00000002 /* Supports Custom timings */ +#define V4L2_IN_CAP_STD 0x00000004 /* Supports STD */ + /* * V I D E O O U T P U T S */ @@ -781,13 +900,19 @@ struct v4l2_output { __u32 audioset; /* Associated audios (bitfield) */ __u32 modulator; /* Associated modulator */ v4l2_std_id std; - __u32 reserved[4]; + __u32 capabilities; + __u32 reserved[3]; }; /* Values for the 'type' field */ #define V4L2_OUTPUT_TYPE_MODULATOR 1 #define V4L2_OUTPUT_TYPE_ANALOG 2 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 +/* capabilities flags */ +#define V4L2_OUT_CAP_PRESETS 0x00000001 /* Supports DV_PRESETS */ +#define V4L2_OUT_CAP_CUSTOM_TIMINGS 0x00000002 /* Supports Custom timings */ +#define V4L2_OUT_CAP_STD 0x00000004 /* Supports STD */ + /* * C O N T R O L S */ @@ -1620,6 +1745,13 @@ struct v4l2_dbg_chip_ident { #endif #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) +#define VIDIOC_ENUM_DV_PRESETS _IOWR('V', 83, struct v4l2_dv_enum_preset) +#define VIDIOC_S_DV_PRESET _IOWR('V', 84, struct v4l2_dv_preset) +#define VIDIOC_G_DV_PRESET _IOWR('V', 85, struct v4l2_dv_preset) +#define VIDIOC_QUERY_DV_PRESET _IOR('V', 86, struct v4l2_dv_preset) +#define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) +#define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) + /* Reminder: when adding new ioctls please add support for them to drivers/media/video/v4l2-compat-ioctl32.c as well! */ diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h index 7a4529d..e8ba0f2 100644 --- a/include/media/v4l2-ioctl.h +++ b/include/media/v4l2-ioctl.h @@ -239,6 +239,21 @@ struct v4l2_ioctl_ops { int (*vidioc_enum_frameintervals) (struct file *file, void *fh, struct v4l2_frmivalenum *fival); + /* DV Timings IOCTLs */ + int (*vidioc_enum_dv_presets) (struct file *file, void *fh, + struct v4l2_dv_enum_preset *preset); + + int (*vidioc_s_dv_preset) (struct file *file, void *fh, + struct v4l2_dv_preset *preset); + int (*vidioc_g_dv_preset) (struct file *file, void *fh, + struct v4l2_dv_preset *preset); + int (*vidioc_query_dv_preset) (struct file *file, void *fh, + struct v4l2_dv_preset *qpreset); + int (*vidioc_s_dv_timings) (struct file *file, void *fh, + struct v4l2_dv_timings *timings); + int (*vidioc_g_dv_timings) (struct file *file, void *fh, + struct v4l2_dv_timings *timings); + /* For other private ioctls */ long (*vidioc_default) (struct file *file, void *fh, int cmd, void *arg); diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index d411345..cedcc72 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -206,6 +206,19 @@ struct v4l2_subdev_audio_ops { s_routing: see s_routing in audio_ops, except this version is for video devices. + + s_dv_preset: set dv (Digital Video) preset in the sub device. Similar to + s_std() + + query_dv_preset: query dv preset in the sub device. This is similar to + querystd() + + s_dv_timings(): Set custom dv timings in the sub device. This is used + when sub device is capable of setting detailed timing information + in the hardware to generate/detect the video signal. + + g_dv_timings(): Get custom dv timings in the sub device. + */ struct v4l2_subdev_video_ops { int (*s_routing)(struct v4l2_subdev *sd, u32 input, u32 output, u32 config); @@ -229,6 +242,14 @@ struct v4l2_subdev_video_ops { int (*s_parm)(struct v4l2_subdev *sd, struct v4l2_streamparm *param); int (*enum_framesizes)(struct v4l2_subdev *sd, struct v4l2_frmsizeenum *fsize); int (*enum_frameintervals)(struct v4l2_subdev *sd, struct v4l2_frmivalenum *fival); + int (*s_dv_preset)(struct v4l2_subdev *sd, + struct v4l2_dv_preset *preset); + int (*query_dv_preset)(struct v4l2_subdev *sd, + struct v4l2_dv_preset *preset); + int (*s_dv_timings)(struct v4l2_subdev *sd, + struct v4l2_dv_timings *timings); + int (*g_dv_timings)(struct v4l2_subdev *sd, + struct v4l2_dv_timings *timings); }; struct v4l2_subdev_ops {