From eb3728edf156c094385dc662d208ab95a305d20a Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Fri, 22 Jun 2012 06:23:59 -0300 Subject: [PATCH] [media] v4l2-ioctl.c: use the new table for queuing/parm ioctls Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/v4l2-ioctl.c | 317 ++++++++++++++++++++------------------- 1 file changed, 166 insertions(+), 151 deletions(-) diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c index 4d2d0d6..1f75a6c 100644 --- a/drivers/media/video/v4l2-ioctl.c +++ b/drivers/media/video/v4l2-ioctl.c @@ -426,48 +426,97 @@ static void v4l_print_hw_freq_seek(const void *arg, bool write_only) p->tuner, p->type, p->seek_upward, p->wrap_around, p->spacing); } -static void v4l_print_u32(const void *arg, bool write_only) +static void v4l_print_requestbuffers(const void *arg, bool write_only) { - pr_cont("value=%u\n", *(const u32 *)arg); + const struct v4l2_requestbuffers *p = arg; + + pr_cont("count=%d, type=%s, memory=%s\n", + p->count, + prt_names(p->type, v4l2_type_names), + prt_names(p->memory, v4l2_memory_names)); } -static void dbgbuf(unsigned int cmd, struct video_device *vfd, - struct v4l2_buffer *p) +static void v4l_print_buffer(const void *arg, bool write_only) { - struct v4l2_timecode *tc = &p->timecode; - struct v4l2_plane *plane; + const struct v4l2_buffer *p = arg; + const struct v4l2_timecode *tc = &p->timecode; + const struct v4l2_plane *plane; int i; - dbgarg(cmd, "%02ld:%02d:%02d.%08ld index=%d, type=%s, " - "flags=0x%08d, field=%0d, sequence=%d, memory=%s\n", + pr_cont("%02ld:%02d:%02d.%08ld index=%d, type=%s, " + "flags=0x%08x, field=%s, sequence=%d, memory=%s", p->timestamp.tv_sec / 3600, (int)(p->timestamp.tv_sec / 60) % 60, (int)(p->timestamp.tv_sec % 60), (long)p->timestamp.tv_usec, p->index, prt_names(p->type, v4l2_type_names), - p->flags, p->field, p->sequence, - prt_names(p->memory, v4l2_memory_names)); + p->flags, prt_names(p->field, v4l2_field_names), + p->sequence, prt_names(p->memory, v4l2_memory_names)); if (V4L2_TYPE_IS_MULTIPLANAR(p->type) && p->m.planes) { + pr_cont("\n"); for (i = 0; i < p->length; ++i) { plane = &p->m.planes[i]; - dbgarg2("plane %d: bytesused=%d, data_offset=0x%08x " - "offset/userptr=0x%08lx, length=%d\n", + printk(KERN_DEBUG + "plane %d: bytesused=%d, data_offset=0x%08x " + "offset/userptr=0x%lx, length=%d\n", i, plane->bytesused, plane->data_offset, plane->m.userptr, plane->length); } } else { - dbgarg2("bytesused=%d, offset/userptr=0x%08lx, length=%d\n", + pr_cont("bytesused=%d, offset/userptr=0x%lx, length=%d\n", p->bytesused, p->m.userptr, p->length); } - dbgarg2("timecode=%02d:%02d:%02d type=%d, " - "flags=0x%08d, frames=%d, userbits=0x%08x\n", + printk(KERN_DEBUG "timecode=%02d:%02d:%02d type=%d, " + "flags=0x%08x, frames=%d, userbits=0x%08x\n", tc->hours, tc->minutes, tc->seconds, tc->type, tc->flags, tc->frames, *(__u32 *)tc->userbits); } +static void v4l_print_create_buffers(const void *arg, bool write_only) +{ + const struct v4l2_create_buffers *p = arg; + + pr_cont("index=%d, count=%d, memory=%s, ", + p->index, p->count, + prt_names(p->memory, v4l2_memory_names)); + v4l_print_format(&p->format, write_only); +} + +static void v4l_print_streamparm(const void *arg, bool write_only) +{ + const struct v4l2_streamparm *p = arg; + + pr_cont("type=%s", prt_names(p->type, v4l2_type_names)); + + if (p->type == V4L2_BUF_TYPE_VIDEO_CAPTURE || + p->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { + const struct v4l2_captureparm *c = &p->parm.capture; + + pr_cont(", capability=0x%x, capturemode=0x%x, timeperframe=%d/%d, " + "extendedmode=%d, readbuffers=%d\n", + c->capability, c->capturemode, + c->timeperframe.numerator, c->timeperframe.denominator, + c->extendedmode, c->readbuffers); + } else if (p->type == V4L2_BUF_TYPE_VIDEO_OUTPUT || + p->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + const struct v4l2_outputparm *c = &p->parm.output; + + pr_cont(", capability=0x%x, outputmode=0x%x, timeperframe=%d/%d, " + "extendedmode=%d, writebuffers=%d\n", + c->capability, c->outputmode, + c->timeperframe.numerator, c->timeperframe.denominator, + c->extendedmode, c->writebuffers); + } +} + +static void v4l_print_u32(const void *arg, bool write_only) +{ + pr_cont("value=%u\n", *(const u32 *)arg); +} + static inline void dbgrect(struct video_device *vfd, char *s, struct v4l2_rect *r) { @@ -1070,6 +1119,100 @@ static int v4l_s_hw_freq_seek(const struct v4l2_ioctl_ops *ops, return ops->vidioc_s_hw_freq_seek(file, fh, p); } +static int v4l_reqbufs(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_requestbuffers *p = arg; + int ret = check_fmt(ops, p->type); + + if (ret) + return ret; + + if (p->type < V4L2_BUF_TYPE_PRIVATE) + CLEAR_AFTER_FIELD(p, memory); + + return ops->vidioc_reqbufs(file, fh, p); +} + +static int v4l_querybuf(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_buffer *p = arg; + int ret = check_fmt(ops, p->type); + + return ret ? ret : ops->vidioc_querybuf(file, fh, p); +} + +static int v4l_qbuf(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_buffer *p = arg; + int ret = check_fmt(ops, p->type); + + return ret ? ret : ops->vidioc_qbuf(file, fh, p); +} + +static int v4l_dqbuf(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_buffer *p = arg; + int ret = check_fmt(ops, p->type); + + return ret ? ret : ops->vidioc_dqbuf(file, fh, p); +} + +static int v4l_create_bufs(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_create_buffers *create = arg; + int ret = check_fmt(ops, create->format.type); + + return ret ? ret : ops->vidioc_create_bufs(file, fh, create); +} + +static int v4l_prepare_buf(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_buffer *b = arg; + int ret = check_fmt(ops, b->type); + + return ret ? ret : ops->vidioc_prepare_buf(file, fh, b); +} + +static int v4l_g_parm(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_streamparm *p = arg; + v4l2_std_id std; + int ret = check_fmt(ops, p->type); + + if (ret) + return ret; + if (ops->vidioc_g_parm) + return ops->vidioc_g_parm(file, fh, p); + std = vfd->current_norm; + if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && + p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) + return -EINVAL; + p->parm.capture.readbuffers = 2; + if (ops->vidioc_g_std) + ret = ops->vidioc_g_std(file, fh, &std); + if (ret == 0) + v4l2_video_std_frame_period(std, + &p->parm.capture.timeperframe); + return ret; +} + +static int v4l_s_parm(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_streamparm *p = arg; + int ret = check_fmt(ops, p->type); + + return ret ? ret : ops->vidioc_s_parm(file, fh, p); +} + struct v4l2_ioctl_info { unsigned int ioctl; u32 flags; @@ -1125,17 +1268,17 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = { IOCTL_INFO_FNC(VIDIOC_ENUM_FMT, v4l_enum_fmt, v4l_print_fmtdesc, INFO_FL_CLEAR(v4l2_fmtdesc, type)), IOCTL_INFO_FNC(VIDIOC_G_FMT, v4l_g_fmt, v4l_print_format, INFO_FL_CLEAR(v4l2_format, type)), IOCTL_INFO_FNC(VIDIOC_S_FMT, v4l_s_fmt, v4l_print_format, INFO_FL_PRIO), - IOCTL_INFO(VIDIOC_REQBUFS, INFO_FL_PRIO), - IOCTL_INFO(VIDIOC_QUERYBUF, INFO_FL_CLEAR(v4l2_buffer, length)), + IOCTL_INFO_FNC(VIDIOC_REQBUFS, v4l_reqbufs, v4l_print_requestbuffers, INFO_FL_PRIO), + IOCTL_INFO_FNC(VIDIOC_QUERYBUF, v4l_querybuf, v4l_print_buffer, INFO_FL_CLEAR(v4l2_buffer, length)), IOCTL_INFO_STD(VIDIOC_G_FBUF, vidioc_g_fbuf, v4l_print_framebuffer, 0), IOCTL_INFO_STD(VIDIOC_S_FBUF, vidioc_s_fbuf, v4l_print_framebuffer, INFO_FL_PRIO), IOCTL_INFO_STD(VIDIOC_OVERLAY, vidioc_overlay, v4l_print_u32, INFO_FL_PRIO), - IOCTL_INFO(VIDIOC_QBUF, 0), - IOCTL_INFO(VIDIOC_DQBUF, 0), + IOCTL_INFO_FNC(VIDIOC_QBUF, v4l_qbuf, v4l_print_buffer, 0), + IOCTL_INFO_FNC(VIDIOC_DQBUF, v4l_dqbuf, v4l_print_buffer, 0), IOCTL_INFO_FNC(VIDIOC_STREAMON, v4l_streamon, v4l_print_buftype, INFO_FL_PRIO), IOCTL_INFO_FNC(VIDIOC_STREAMOFF, v4l_streamoff, v4l_print_buftype, INFO_FL_PRIO), - IOCTL_INFO(VIDIOC_G_PARM, INFO_FL_CLEAR(v4l2_streamparm, type)), - IOCTL_INFO(VIDIOC_S_PARM, INFO_FL_PRIO), + IOCTL_INFO_FNC(VIDIOC_G_PARM, v4l_g_parm, v4l_print_streamparm, INFO_FL_CLEAR(v4l2_streamparm, type)), + IOCTL_INFO_FNC(VIDIOC_S_PARM, v4l_s_parm, v4l_print_streamparm, INFO_FL_PRIO), IOCTL_INFO_FNC(VIDIOC_G_STD, v4l_g_std, v4l_print_std, 0), IOCTL_INFO_FNC(VIDIOC_S_STD, v4l_s_std, v4l_print_std, INFO_FL_PRIO), IOCTL_INFO_FNC(VIDIOC_ENUMSTD, v4l_enumstd, v4l_print_standard, INFO_FL_CLEAR(v4l2_standard, index)), @@ -1197,8 +1340,8 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = { IOCTL_INFO(VIDIOC_DQEVENT, 0), IOCTL_INFO(VIDIOC_SUBSCRIBE_EVENT, 0), IOCTL_INFO(VIDIOC_UNSUBSCRIBE_EVENT, 0), - IOCTL_INFO(VIDIOC_CREATE_BUFS, INFO_FL_PRIO), - IOCTL_INFO(VIDIOC_PREPARE_BUF, 0), + IOCTL_INFO_FNC(VIDIOC_CREATE_BUFS, v4l_create_bufs, v4l_print_create_buffers, INFO_FL_PRIO), + IOCTL_INFO_FNC(VIDIOC_PREPARE_BUF, v4l_prepare_buf, v4l_print_buffer, 0), IOCTL_INFO(VIDIOC_ENUM_DV_TIMINGS, 0), IOCTL_INFO(VIDIOC_QUERY_DV_TIMINGS, 0), IOCTL_INFO(VIDIOC_DV_TIMINGS_CAP, 0), @@ -1308,68 +1451,6 @@ static long __video_do_ioctl(struct file *file, } switch (cmd) { - /* FIXME: Those buf reqs could be handled here, - with some changes on videobuf to allow its header to be included at - videodev2.h or being merged at videodev2. - */ - case VIDIOC_REQBUFS: - { - struct v4l2_requestbuffers *p = arg; - - ret = check_fmt(ops, p->type); - if (ret) - break; - - if (p->type < V4L2_BUF_TYPE_PRIVATE) - CLEAR_AFTER_FIELD(p, memory); - - ret = ops->vidioc_reqbufs(file, fh, p); - dbgarg(cmd, "count=%d, type=%s, memory=%s\n", - p->count, - prt_names(p->type, v4l2_type_names), - prt_names(p->memory, v4l2_memory_names)); - break; - } - case VIDIOC_QUERYBUF: - { - struct v4l2_buffer *p = arg; - - ret = check_fmt(ops, p->type); - if (ret) - break; - - ret = ops->vidioc_querybuf(file, fh, p); - if (!ret) - dbgbuf(cmd, vfd, p); - break; - } - case VIDIOC_QBUF: - { - struct v4l2_buffer *p = arg; - - ret = check_fmt(ops, p->type); - if (ret) - break; - - ret = ops->vidioc_qbuf(file, fh, p); - if (!ret) - dbgbuf(cmd, vfd, p); - break; - } - case VIDIOC_DQBUF: - { - struct v4l2_buffer *p = arg; - - ret = check_fmt(ops, p->type); - if (ret) - break; - - ret = ops->vidioc_dqbuf(file, fh, p); - if (!ret) - dbgbuf(cmd, vfd, p); - break; - } - /* --- controls ---------------------------------------------- */ case VIDIOC_QUERYCTRL: { @@ -1732,46 +1813,6 @@ static long __video_do_ioctl(struct file *file, dbgarg(cmd, "cmd=%d, flags=%x\n", p->cmd, p->flags); break; } - case VIDIOC_G_PARM: - { - struct v4l2_streamparm *p = arg; - - if (ops->vidioc_g_parm) { - ret = check_fmt(ops, p->type); - if (ret) - break; - ret = ops->vidioc_g_parm(file, fh, p); - } else { - v4l2_std_id std = vfd->current_norm; - - ret = -EINVAL; - if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - break; - - ret = 0; - p->parm.capture.readbuffers = 2; - if (ops->vidioc_g_std) - ret = ops->vidioc_g_std(file, fh, &std); - if (ret == 0) - v4l2_video_std_frame_period(std, - &p->parm.capture.timeperframe); - } - - dbgarg(cmd, "type=%d\n", p->type); - break; - } - case VIDIOC_S_PARM: - { - struct v4l2_streamparm *p = arg; - - ret = check_fmt(ops, p->type); - if (ret) - break; - - dbgarg(cmd, "type=%d\n", p->type); - ret = ops->vidioc_s_parm(file, fh, p); - break; - } case VIDIOC_G_SLICED_VBI_CAP: { struct v4l2_sliced_vbi_cap *p = arg; @@ -2052,32 +2093,6 @@ static long __video_do_ioctl(struct file *file, dbgarg(cmd, "type=0x%8.8x", sub->type); break; } - case VIDIOC_CREATE_BUFS: - { - struct v4l2_create_buffers *create = arg; - - ret = check_fmt(ops, create->format.type); - if (ret) - break; - - ret = ops->vidioc_create_bufs(file, fh, create); - - dbgarg(cmd, "count=%d @ %d\n", create->count, create->index); - break; - } - case VIDIOC_PREPARE_BUF: - { - struct v4l2_buffer *b = arg; - - ret = check_fmt(ops, b->type); - if (ret) - break; - - ret = ops->vidioc_prepare_buf(file, fh, b); - - dbgarg(cmd, "index=%d", b->index); - break; - } default: if (!ops->vidioc_default) break; -- 2.7.4