From 941604977c00ebeb6324348ece84d2140b190754 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Tue, 12 Mar 2013 18:47:03 -0300 Subject: [PATCH] [media] solo6x10: add support for prio and control event handling Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/media/solo6x10/v4l2-enc.c | 19 +++++++++++++++++-- drivers/staging/media/solo6x10/v4l2.c | 17 ++++++++++++++++- 2 files changed, 33 insertions(+), 3 deletions(-) diff --git a/drivers/staging/media/solo6x10/v4l2-enc.c b/drivers/staging/media/solo6x10/v4l2-enc.c index 5b2fdfb..7cf3e7b 100644 --- a/drivers/staging/media/solo6x10/v4l2-enc.c +++ b/drivers/staging/media/solo6x10/v4l2-enc.c @@ -29,6 +29,7 @@ #include #include +#include #include #include "solo6x10.h" @@ -46,7 +47,8 @@ enum solo_enc_types { }; struct solo_enc_fh { - struct solo_enc_dev *enc; + struct v4l2_fh fh; + struct solo_enc_dev *enc; u32 fmt; u8 enc_on; enum solo_enc_types type; @@ -823,7 +825,11 @@ static unsigned int solo_enc_poll(struct file *file, struct poll_table_struct *wait) { struct solo_enc_fh *fh = file->private_data; + unsigned long req_events = poll_requested_events(wait); + unsigned res = v4l2_ctrl_poll(file, wait); + if (!(req_events & (POLLIN | POLLRDNORM))) + return res; return videobuf_poll_stream(file, &fh->vidq, wait); } @@ -892,6 +898,7 @@ static int solo_enc_open(struct file *file) return -ENOMEM; } + v4l2_fh_init(&fh->fh, video_devdata(file)); fh->enc = solo_enc; spin_lock_init(&fh->av_lock); file->private_data = fh; @@ -906,7 +913,7 @@ static int solo_enc_open(struct file *file) V4L2_FIELD_INTERLACED, sizeof(struct solo_videobuf), fh, NULL); - + v4l2_fh_add(&fh->fh); return 0; } @@ -931,6 +938,8 @@ static int solo_enc_release(struct file *file) struct solo_dev *solo_dev = fh->enc->solo_dev; solo_enc_off(fh); + v4l2_fh_del(&fh->fh); + v4l2_fh_exit(&fh->fh); videobuf_stop(&fh->vidq); videobuf_mmap_free(&fh->vidq); @@ -1063,6 +1072,7 @@ static int solo_enc_try_fmt_cap(struct file *file, void *priv, /* Just set these */ pix->colorspace = V4L2_COLORSPACE_SMPTE170M; pix->sizeimage = FRAME_BUF_SIZE; + pix->bytesperline = 0; pix->priv = 0; return 0; @@ -1417,6 +1427,10 @@ static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = { /* Video capture parameters */ .vidioc_s_parm = solo_s_parm, .vidioc_g_parm = solo_g_parm, + /* Logging and events */ + .vidioc_log_status = v4l2_ctrl_log_status, + .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; static const struct video_device solo_enc_template = { @@ -1516,6 +1530,7 @@ static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev, *solo_enc->vfd = solo_enc_template; solo_enc->vfd->v4l2_dev = &solo_dev->v4l2_dev; solo_enc->vfd->ctrl_handler = hdl; + set_bit(V4L2_FL_USE_FH_PRIO, &solo_enc->vfd->flags); ret = video_register_device(solo_enc->vfd, VFL_TYPE_GRABBER, nr); if (ret < 0) { video_device_release(solo_enc->vfd); diff --git a/drivers/staging/media/solo6x10/v4l2.c b/drivers/staging/media/solo6x10/v4l2.c index 668dc48..a688949 100644 --- a/drivers/staging/media/solo6x10/v4l2.c +++ b/drivers/staging/media/solo6x10/v4l2.c @@ -29,6 +29,7 @@ #include #include +#include #include #include "solo6x10.h" @@ -45,6 +46,7 @@ /* Simple file handle */ struct solo_filehandle { + struct v4l2_fh fh; struct solo_dev *solo_dev; struct videobuf_queue vidq; struct task_struct *kthread; @@ -402,8 +404,12 @@ static unsigned int solo_v4l2_poll(struct file *file, struct poll_table_struct *wait) { struct solo_filehandle *fh = file->private_data; + unsigned long req_events = poll_requested_events(wait); + unsigned res = v4l2_ctrl_poll(file, wait); - return videobuf_poll_stream(file, &fh->vidq, wait); + if (!(req_events & (POLLIN | POLLRDNORM))) + return res; + return res | videobuf_poll_stream(file, &fh->vidq, wait); } static int solo_v4l2_mmap(struct file *file, struct vm_area_struct *vma) @@ -423,6 +429,7 @@ static int solo_v4l2_open(struct file *file) if (fh == NULL) return -ENOMEM; + v4l2_fh_init(&fh->fh, video_devdata(file)); spin_lock_init(&fh->slock); INIT_LIST_HEAD(&fh->vidq_active); fh->solo_dev = solo_dev; @@ -440,6 +447,7 @@ static int solo_v4l2_open(struct file *file) V4L2_FIELD_INTERLACED, sizeof(struct videobuf_buffer), fh, NULL); + v4l2_fh_add(&fh->fh); return 0; } @@ -461,6 +469,8 @@ static int solo_v4l2_release(struct file *file) videobuf_stop(&fh->vidq); videobuf_mmap_free(&fh->vidq); + v4l2_fh_del(&fh->fh); + v4l2_fh_exit(&fh->fh); kfree(fh); return 0; @@ -737,6 +747,10 @@ static const struct v4l2_ioctl_ops solo_v4l2_ioctl_ops = { .vidioc_dqbuf = solo_dqbuf, .vidioc_streamon = solo_streamon, .vidioc_streamoff = solo_streamoff, + /* Logging and events */ + .vidioc_log_status = v4l2_ctrl_log_status, + .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; static struct video_device solo_v4l2_template = { @@ -782,6 +796,7 @@ int solo_v4l2_init(struct solo_dev *solo_dev, unsigned nr) if (solo_dev->disp_hdl.error) return solo_dev->disp_hdl.error; solo_dev->vfd->ctrl_handler = &solo_dev->disp_hdl; + set_bit(V4L2_FL_USE_FH_PRIO, &solo_dev->vfd->flags); ret = video_register_device(solo_dev->vfd, VFL_TYPE_GRABBER, nr); if (ret < 0) { -- 2.7.4