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author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-11-20 13:19:20 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-12-10 09:05:01 -0200 |
commit | e75f9cee32827853fc2f9d1ceb6352e3edc33e9d (patch) | |
tree | e1f1db30c237a08773fcf155a771545f3b6aa54f /drivers/media/video | |
parent | 207705cd7f82b9f160c6ed552d5788a823701fd1 (diff) | |
download | kernel_samsung_smdk4412-e75f9cee32827853fc2f9d1ceb6352e3edc33e9d.zip kernel_samsung_smdk4412-e75f9cee32827853fc2f9d1ceb6352e3edc33e9d.tar.gz kernel_samsung_smdk4412-e75f9cee32827853fc2f9d1ceb6352e3edc33e9d.tar.bz2 |
V4L/DVB (4861): Remove the need of a STD array for drivers using video_ioctl2
video_ioctl2 will auto-generate standard entries at ENUM_FMT.
Also, now, a driver may return a subset of the video array at
the return, to be stored as the current_norm.
For example, a driver may ask for V4L2_STD_PAL. At return,
driver may change it to V4L2_STD_PAL_B. This way, a futher call
to G_STD will return the exact detected video std.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video')
-rw-r--r-- | drivers/media/video/cafe_ccic.c | 18 | ||||
-rw-r--r-- | drivers/media/video/v4l2-common.c | 73 | ||||
-rw-r--r-- | drivers/media/video/videodev.c | 126 | ||||
-rw-r--r-- | drivers/media/video/vivi.c | 16 |
4 files changed, 159 insertions, 74 deletions
diff --git a/drivers/media/video/cafe_ccic.c b/drivers/media/video/cafe_ccic.c index dc6e16c..30864da 100644 --- a/drivers/media/video/cafe_ccic.c +++ b/drivers/media/video/cafe_ccic.c @@ -1679,24 +1679,11 @@ static int cafe_vidioc_s_input(struct file *filp, void *priv, unsigned int i) } /* from vivi.c */ -static int cafe_vidioc_s_std(struct file *filp, void *priv, v4l2_std_id a) +static int cafe_vidioc_s_std(struct file *filp, void *priv, v4l2_std_id *a) { return 0; } - -/* - * The TV Norm stuff is weird - we're a camera with little to do with TV, - * really. The following is what vivi does. - */ -static struct v4l2_tvnorm cafe_tvnorm[] = { - { - .name = "NTSC-M", - .id = V4L2_STD_NTSC_M, - } -}; - - static void cafe_v4l_dev_release(struct video_device *vd) { struct cafe_camera *cam = container_of(vd, struct cafe_camera, v4ldev); @@ -1726,8 +1713,7 @@ static struct video_device cafe_v4l_template = { .type = VFL_TYPE_GRABBER, .type2 = VID_TYPE_CAPTURE, .minor = -1, /* Get one dynamically */ - .tvnorms = cafe_tvnorm, - .tvnormsize = 1, + .tvnorms = V4L2_STD_NTSC_M, .current_norm = V4L2_STD_NTSC_M, /* make mplayer happy */ .fops = &cafe_v4l_fops, diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index b0b4abe..752c82c 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -87,6 +87,78 @@ MODULE_LICENSE("GPL"); */ +char *v4l2_norm_to_name(v4l2_std_id id) +{ + char *name; + + switch (id) { + case V4L2_STD_PAL: + name="PAL"; break; + case V4L2_STD_PAL_BG: + name="PAL-BG"; break; + case V4L2_STD_PAL_DK: + name="PAL-DK"; break; + case V4L2_STD_PAL_B: + name="PAL-B"; break; + case V4L2_STD_PAL_B1: + name="PAL-B1"; break; + case V4L2_STD_PAL_G: + name="PAL-G"; break; + case V4L2_STD_PAL_H: + name="PAL-H"; break; + case V4L2_STD_PAL_I: + name="PAL-I"; break; + case V4L2_STD_PAL_D: + name="PAL-D"; break; + case V4L2_STD_PAL_D1: + name="PAL-D1"; break; + case V4L2_STD_PAL_K: + name="PAL-K"; break; + case V4L2_STD_PAL_M: + name="PAL-M"; break; + case V4L2_STD_PAL_N: + name="PAL-N"; break; + case V4L2_STD_PAL_Nc: + name="PAL-Nc"; break; + case V4L2_STD_PAL_60: + name="PAL-60"; break; + case V4L2_STD_NTSC: + name="NTSC"; break; + case V4L2_STD_NTSC_M: + name="NTSC-M"; break; + case V4L2_STD_NTSC_M_JP: + name="NTSC-M-JP"; break; + case V4L2_STD_NTSC_443: + name="NTSC-443"; break; + case V4L2_STD_NTSC_M_KR: + name="NTSC-M-KR"; break; + case V4L2_STD_SECAM: + name="SECAM"; break; + case V4L2_STD_SECAM_DK: + name="SECAM-DK"; break; + case V4L2_STD_SECAM_B: + name="SECAM-B"; break; + case V4L2_STD_SECAM_D: + name="SECAM-D"; break; + case V4L2_STD_SECAM_G: + name="SECAM-G"; break; + case V4L2_STD_SECAM_H: + name="SECAM-H"; break; + case V4L2_STD_SECAM_K: + name="SECAM-K"; break; + case V4L2_STD_SECAM_K1: + name="SECAM-K1"; break; + case V4L2_STD_SECAM_L: + name="SECAM-L"; break; + case V4L2_STD_SECAM_LC: + name="SECAM-LC"; break; + default: + name="Unknown"; break; + } + + return name; +} + /* Fill in the fields of a v4l2_standard structure according to the 'id' and 'transmission' parameters. Returns negative on error. */ int v4l2_video_std_construct(struct v4l2_standard *vs, @@ -1453,6 +1525,7 @@ u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id) /* ----------------------------------------------------------------- */ +EXPORT_SYMBOL(v4l2_norm_to_name); EXPORT_SYMBOL(v4l2_video_std_construct); EXPORT_SYMBOL(v4l2_prio_init); diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c index ad42dee..1be7127 100644 --- a/drivers/media/video/videodev.c +++ b/drivers/media/video/videodev.c @@ -833,20 +833,85 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, case VIDIOC_ENUMSTD: { struct v4l2_standard *p = arg; - unsigned int index = p->index; + v4l2_std_id id = vfd->tvnorms,curr_id=0; + unsigned int index = p->index,i; - if (!vfd->tvnormsize) { - printk (KERN_WARNING "%s: no TV norms defined!\n", - vfd->name); + if (index<0) { + ret=-EINVAL; break; } - if (index<0 || index >= vfd->tvnormsize) { - ret=-EINVAL; - break; + /* Return norm array on a canonical way */ + for (i=0;i<= index && id; i++) { + if ( (id & V4L2_STD_PAL) == V4L2_STD_PAL) { + curr_id = V4L2_STD_PAL; + } else if ( (id & V4L2_STD_PAL_BG) == V4L2_STD_PAL_BG) { + curr_id = V4L2_STD_PAL_BG; + } else if ( (id & V4L2_STD_PAL_DK) == V4L2_STD_PAL_DK) { + curr_id = V4L2_STD_PAL_DK; + } else if ( (id & V4L2_STD_PAL_B) == V4L2_STD_PAL_B) { + curr_id = V4L2_STD_PAL_B; + } else if ( (id & V4L2_STD_PAL_B1) == V4L2_STD_PAL_B1) { + curr_id = V4L2_STD_PAL_B1; + } else if ( (id & V4L2_STD_PAL_G) == V4L2_STD_PAL_G) { + curr_id = V4L2_STD_PAL_G; + } else if ( (id & V4L2_STD_PAL_H) == V4L2_STD_PAL_H) { + curr_id = V4L2_STD_PAL_H; + } else if ( (id & V4L2_STD_PAL_I) == V4L2_STD_PAL_I) { + curr_id = V4L2_STD_PAL_I; + } else if ( (id & V4L2_STD_PAL_D) == V4L2_STD_PAL_D) { + curr_id = V4L2_STD_PAL_D; + } else if ( (id & V4L2_STD_PAL_D1) == V4L2_STD_PAL_D1) { + curr_id = V4L2_STD_PAL_D1; + } else if ( (id & V4L2_STD_PAL_K) == V4L2_STD_PAL_K) { + curr_id = V4L2_STD_PAL_K; + } else if ( (id & V4L2_STD_PAL_M) == V4L2_STD_PAL_M) { + curr_id = V4L2_STD_PAL_M; + } else if ( (id & V4L2_STD_PAL_N) == V4L2_STD_PAL_N) { + curr_id = V4L2_STD_PAL_N; + } else if ( (id & V4L2_STD_PAL_Nc) == V4L2_STD_PAL_Nc) { + curr_id = V4L2_STD_PAL_Nc; + } else if ( (id & V4L2_STD_PAL_60) == V4L2_STD_PAL_60) { + curr_id = V4L2_STD_PAL_60; + } else if ( (id & V4L2_STD_NTSC) == V4L2_STD_NTSC) { + curr_id = V4L2_STD_NTSC; + } else if ( (id & V4L2_STD_NTSC_M) == V4L2_STD_NTSC_M) { + curr_id = V4L2_STD_NTSC_M; + } else if ( (id & V4L2_STD_NTSC_M_JP) == V4L2_STD_NTSC_M_JP) { + curr_id = V4L2_STD_NTSC_M_JP; + } else if ( (id & V4L2_STD_NTSC_443) == V4L2_STD_NTSC_443) { + curr_id = V4L2_STD_NTSC_443; + } else if ( (id & V4L2_STD_NTSC_M_KR) == V4L2_STD_NTSC_M_KR) { + curr_id = V4L2_STD_NTSC_M_KR; + } else if ( (id & V4L2_STD_SECAM) == V4L2_STD_SECAM) { + curr_id = V4L2_STD_SECAM; + } else if ( (id & V4L2_STD_SECAM_DK) == V4L2_STD_SECAM_DK) { + curr_id = V4L2_STD_SECAM_DK; + } else if ( (id & V4L2_STD_SECAM_B) == V4L2_STD_SECAM_B) { + curr_id = V4L2_STD_SECAM_B; + } else if ( (id & V4L2_STD_SECAM_D) == V4L2_STD_SECAM_D) { + curr_id = V4L2_STD_SECAM_D; + } else if ( (id & V4L2_STD_SECAM_G) == V4L2_STD_SECAM_G) { + curr_id = V4L2_STD_SECAM_G; + } else if ( (id & V4L2_STD_SECAM_H) == V4L2_STD_SECAM_H) { + curr_id = V4L2_STD_SECAM_H; + } else if ( (id & V4L2_STD_SECAM_K) == V4L2_STD_SECAM_K) { + curr_id = V4L2_STD_SECAM_K; + } else if ( (id & V4L2_STD_SECAM_K1) == V4L2_STD_SECAM_K1) { + curr_id = V4L2_STD_SECAM_K1; + } else if ( (id & V4L2_STD_SECAM_L) == V4L2_STD_SECAM_L) { + curr_id = V4L2_STD_SECAM_L; + } else if ( (id & V4L2_STD_SECAM_LC) == V4L2_STD_SECAM_LC) { + curr_id = V4L2_STD_SECAM_LC; + } else { + break; + } + id &= ~curr_id; } - v4l2_video_std_construct(p, vfd->tvnorms[p->index].id, - vfd->tvnorms[p->index].name); + if (i<=index) + return -EINVAL; + + v4l2_video_std_construct(p, curr_id,v4l2_norm_to_name(curr_id)); p->index = index; dbgarg (cmd, "index=%d, id=%Ld, name=%s, fps=%d/%d, " @@ -872,39 +937,23 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, } case VIDIOC_S_STD: { - v4l2_std_id *id = arg; - unsigned int i; - - if (!vfd->tvnormsize) { - printk (KERN_WARNING "%s: no TV norms defined!\n", - vfd->name); - break; - } + v4l2_std_id *id = arg,norm; dbgarg (cmd, "value=%Lu\n", (long long unsigned) *id); - /* First search for exact match */ - for (i = 0; i < vfd->tvnormsize; i++) - if (*id == vfd->tvnorms[i].id) - break; - /* Then for a generic video std that contains desired std */ - if (i == vfd->tvnormsize) - for (i = 0; i < vfd->tvnormsize; i++) - if (*id & vfd->tvnorms[i].id) - break; - if (i == vfd->tvnormsize) { + norm = (*id) & vfd->tvnorms; + if ( vfd->tvnorms && !norm) /* Check if std is supported */ break; - } /* Calls the specific handler */ if (vfd->vidioc_s_std) - ret=vfd->vidioc_s_std(file, fh, i); + ret=vfd->vidioc_s_std(file, fh, &norm); else ret=-EINVAL; /* Updates standard information */ - if (!ret) - vfd->current_norm=*id; + if (ret>=0) + vfd->current_norm=norm; break; } @@ -1296,25 +1345,12 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, ret=vfd->vidioc_g_parm(file, fh, p); } else { struct v4l2_standard s; - int i; - - if (!vfd->tvnormsize) { - printk (KERN_WARNING "%s: no TV norms defined!\n", - vfd->name); - break; - } if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) return -EINVAL; - for (i = 0; i < vfd->tvnormsize; i++) - if (vfd->tvnorms[i].id == vfd->current_norm) - break; - if (i >= vfd->tvnormsize) - return -EINVAL; - v4l2_video_std_construct(&s, vfd->current_norm, - vfd->tvnorms[i].name); + v4l2_norm_to_name(vfd->current_norm)); memset(p,0,sizeof(*p)); diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c index 9986de5..474ddb7 100644 --- a/drivers/media/video/vivi.c +++ b/drivers/media/video/vivi.c @@ -1044,16 +1044,8 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) return (0); } -static struct v4l2_tvnorm tvnorms[] = { - { - .name = "NTSC-M", - .id = V4L2_STD_NTSC_M, - } -}; - -static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id a) +static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *i) { - return 0; } @@ -1333,8 +1325,8 @@ static struct video_device vivi = { #ifdef CONFIG_VIDEO_V4L1_COMPAT .vidiocgmbuf = vidiocgmbuf, #endif - .tvnorms = tvnorms, - .tvnormsize = ARRAY_SIZE(tvnorms), + .tvnorms = V4L2_STD_NTSC_M, + .current_norm = V4L2_STD_NTSC_M, }; /* ----------------------------------------------------------------- Initialization and module stuff @@ -1361,8 +1353,6 @@ static int __init vivi_init(void) dev->vidq.timeout.data = (unsigned long)dev; init_timer(&dev->vidq.timeout); - vivi.current_norm = tvnorms[0].id; - ret = video_register_device(&vivi, VFL_TYPE_GRABBER, video_nr); printk(KERN_INFO "Video Technology Magazine Virtual Video Capture Board (Load status: %d)\n", ret); return ret; |