diff options
Diffstat (limited to 'drivers/media/common/saa7146_fops.c')
-rw-r--r-- | drivers/media/common/saa7146_fops.c | 126 |
1 files changed, 105 insertions, 21 deletions
diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c index 71f8e01..7d42c11 100644 --- a/drivers/media/common/saa7146_fops.c +++ b/drivers/media/common/saa7146_fops.c @@ -198,7 +198,6 @@ static int fops_open(struct file *file) struct saa7146_dev *dev = video_drvdata(file); struct saa7146_fh *fh = NULL; int result = 0; - enum v4l2_buf_type type; DEB_EE("file:%p, dev:%s\n", file, video_device_node_name(vdev)); @@ -227,11 +226,12 @@ static int fops_open(struct file *file) goto out; } - file->private_data = fh; + v4l2_fh_init(&fh->fh, vdev); + + file->private_data = &fh->fh; fh->dev = dev; - fh->type = type; - if( fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { + if (vdev->vfl_type == VFL_TYPE_VBI) { DEB_S("initializing vbi...\n"); if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE) result = saa7146_vbi_uops.open(dev,file); @@ -252,6 +252,7 @@ static int fops_open(struct file *file) } result = 0; + v4l2_fh_add(&fh->fh); out: if (fh && result != 0) { kfree(fh); @@ -263,6 +264,7 @@ out: static int fops_release(struct file *file) { + struct video_device *vdev = video_devdata(file); struct saa7146_fh *fh = file->private_data; struct saa7146_dev *dev = fh->dev; @@ -271,7 +273,7 @@ static int fops_release(struct file *file) if (mutex_lock_interruptible(&saa7146_devices_lock)) return -ERESTARTSYS; - if( fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { + if (vdev->vfl_type == VFL_TYPE_VBI) { if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE) saa7146_vbi_uops.release(dev,file); if (dev->ext_vv_data->vbi_fops.release) @@ -280,6 +282,8 @@ static int fops_release(struct file *file) saa7146_video_uops.release(dev,file); } + v4l2_fh_del(&fh->fh); + v4l2_fh_exit(&fh->fh); module_put(dev->ext->module); file->private_data = NULL; kfree(fh); @@ -291,19 +295,22 @@ static int fops_release(struct file *file) static int fops_mmap(struct file *file, struct vm_area_struct * vma) { + struct video_device *vdev = video_devdata(file); struct saa7146_fh *fh = file->private_data; struct videobuf_queue *q; - switch (fh->type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: { + switch (vdev->vfl_type) { + case VFL_TYPE_GRABBER: { DEB_EE("V4L2_BUF_TYPE_VIDEO_CAPTURE: file:%p, vma:%p\n", file, vma); q = &fh->video_q; break; } - case V4L2_BUF_TYPE_VBI_CAPTURE: { + case VFL_TYPE_VBI: { DEB_EE("V4L2_BUF_TYPE_VBI_CAPTURE: file:%p, vma:%p\n", file, vma); + if (fh->dev->ext_vv_data->capabilities & V4L2_CAP_SLICED_VBI_OUTPUT) + return -ENODEV; q = &fh->vbi_q; break; } @@ -317,15 +324,19 @@ static int fops_mmap(struct file *file, struct vm_area_struct * vma) static unsigned int fops_poll(struct file *file, struct poll_table_struct *wait) { + struct video_device *vdev = video_devdata(file); struct saa7146_fh *fh = file->private_data; struct videobuf_buffer *buf = NULL; struct videobuf_queue *q; + unsigned int res = v4l2_ctrl_poll(file, wait); DEB_EE("file:%p, poll:%p\n", file, wait); - if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { + if (vdev->vfl_type == VFL_TYPE_VBI) { + if (fh->dev->ext_vv_data->capabilities & V4L2_CAP_SLICED_VBI_OUTPUT) + return res | POLLOUT | POLLWRNORM; if( 0 == fh->vbi_q.streaming ) - return videobuf_poll_stream(file, &fh->vbi_q, wait); + return res | videobuf_poll_stream(file, &fh->vbi_q, wait); q = &fh->vbi_q; } else { DEB_D("using video queue\n"); @@ -337,31 +348,32 @@ static unsigned int fops_poll(struct file *file, struct poll_table_struct *wait) if (!buf) { DEB_D("buf == NULL!\n"); - return POLLERR; + return res | POLLERR; } poll_wait(file, &buf->done, wait); if (buf->state == VIDEOBUF_DONE || buf->state == VIDEOBUF_ERROR) { DEB_D("poll succeeded!\n"); - return POLLIN|POLLRDNORM; + return res | POLLIN | POLLRDNORM; } DEB_D("nothing to poll for, buf->state:%d\n", buf->state); - return 0; + return res; } static ssize_t fops_read(struct file *file, char __user *data, size_t count, loff_t *ppos) { + struct video_device *vdev = video_devdata(file); struct saa7146_fh *fh = file->private_data; - switch (fh->type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: + switch (vdev->vfl_type) { + case VFL_TYPE_GRABBER: /* DEB_EE("V4L2_BUF_TYPE_VIDEO_CAPTURE: file:%p, data:%p, count:%lun", file, data, (unsigned long)count); */ return saa7146_video_uops.read(file,data,count,ppos); - case V4L2_BUF_TYPE_VBI_CAPTURE: + case VFL_TYPE_VBI: /* DEB_EE("V4L2_BUF_TYPE_VBI_CAPTURE: file:%p, data:%p, count:%lu\n", file, data, (unsigned long)count); @@ -377,12 +389,13 @@ static ssize_t fops_read(struct file *file, char __user *data, size_t count, lof static ssize_t fops_write(struct file *file, const char __user *data, size_t count, loff_t *ppos) { + struct video_device *vdev = video_devdata(file); struct saa7146_fh *fh = file->private_data; - switch (fh->type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: + switch (vdev->vfl_type) { + case VFL_TYPE_GRABBER: return -EINVAL; - case V4L2_BUF_TYPE_VBI_CAPTURE: + case VFL_TYPE_VBI: if (fh->dev->ext_vv_data->vbi_fops.write) return fh->dev->ext_vv_data->vbi_fops.write(file, data, count, ppos); else @@ -429,8 +442,15 @@ static void vv_callback(struct saa7146_dev *dev, unsigned long status) } } +static const struct v4l2_ctrl_ops saa7146_ctrl_ops = { + .s_ctrl = saa7146_s_ctrl, +}; + int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) { + struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler; + struct v4l2_pix_format *fmt; + struct v4l2_vbi_format *vbi; struct saa7146_vv *vv; int err; @@ -438,12 +458,32 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) if (err) return err; + v4l2_ctrl_handler_init(hdl, 6); + v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); + v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops, + V4L2_CID_CONTRAST, 0, 127, 1, 64); + v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops, + V4L2_CID_SATURATION, 0, 127, 1, 64); + v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops, + V4L2_CID_VFLIP, 0, 1, 1, 0); + v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops, + V4L2_CID_HFLIP, 0, 1, 1, 0); + if (hdl->error) { + err = hdl->error; + v4l2_ctrl_handler_free(hdl); + return err; + } + dev->v4l2_dev.ctrl_handler = hdl; + vv = kzalloc(sizeof(struct saa7146_vv), GFP_KERNEL); if (vv == NULL) { ERR("out of memory. aborting.\n"); + v4l2_ctrl_handler_free(hdl); return -ENOMEM; } - ext_vv->ops = saa7146_video_ioctl_ops; + ext_vv->vid_ops = saa7146_video_ioctl_ops; + ext_vv->vbi_ops = saa7146_vbi_ioctl_ops; ext_vv->core_ops = &saa7146_video_ioctl_ops; DEB_EE("dev:%p\n", dev); @@ -463,6 +503,7 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) if( NULL == vv->d_clipping.cpu_addr ) { ERR("out of memory. aborting.\n"); kfree(vv); + v4l2_ctrl_handler_free(hdl); return -1; } memset(vv->d_clipping.cpu_addr, 0x0, SAA7146_CLIPPING_MEM); @@ -471,6 +512,39 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE) saa7146_vbi_uops.init(dev,vv); + fmt = &vv->ov_fb.fmt; + fmt->width = vv->standard->h_max_out; + fmt->height = vv->standard->v_max_out; + fmt->pixelformat = V4L2_PIX_FMT_RGB565; + fmt->bytesperline = 2 * fmt->width; + fmt->sizeimage = fmt->bytesperline * fmt->height; + fmt->colorspace = V4L2_COLORSPACE_SRGB; + + fmt = &vv->video_fmt; + fmt->width = 384; + fmt->height = 288; + fmt->pixelformat = V4L2_PIX_FMT_BGR24; + fmt->field = V4L2_FIELD_ANY; + fmt->colorspace = V4L2_COLORSPACE_SMPTE170M; + fmt->bytesperline = 3 * fmt->width; + fmt->sizeimage = fmt->bytesperline * fmt->height; + + vbi = &vv->vbi_fmt; + vbi->sampling_rate = 27000000; + vbi->offset = 248; /* todo */ + vbi->samples_per_line = 720 * 2; + vbi->sample_format = V4L2_PIX_FMT_GREY; + + /* fixme: this only works for PAL */ + vbi->start[0] = 5; + vbi->count[0] = 16; + vbi->start[1] = 312; + vbi->count[1] = 16; + + init_timer(&vv->vbi_read_timeout); + + vv->ov_fb.capability = V4L2_FBUF_CAP_LIST_CLIPPING; + vv->ov_fb.flags = V4L2_FBUF_FLAG_PRIMARY; dev->vv_data = vv; dev->vv_callback = &vv_callback; @@ -486,6 +560,7 @@ int saa7146_vv_release(struct saa7146_dev* dev) v4l2_device_unregister(&dev->v4l2_dev); pci_free_consistent(dev->pci, SAA7146_CLIPPING_MEM, vv->d_clipping.cpu_addr, vv->d_clipping.dma_handle); + v4l2_ctrl_handler_free(&dev->ctrl_handler); kfree(vv); dev->vv_data = NULL; dev->vv_callback = NULL; @@ -509,10 +584,19 @@ int saa7146_register_device(struct video_device **vid, struct saa7146_dev* dev, return -ENOMEM; vfd->fops = &video_fops; - vfd->ioctl_ops = &dev->ext_vv_data->ops; + if (type == VFL_TYPE_GRABBER) + vfd->ioctl_ops = &dev->ext_vv_data->vid_ops; + else + vfd->ioctl_ops = &dev->ext_vv_data->vbi_ops; vfd->release = video_device_release; + /* Locking in file operations other than ioctl should be done by + the driver, not the V4L2 core. + This driver needs auditing so that this flag can be removed. */ + set_bit(V4L2_FL_LOCK_ALL_FOPS, &vfd->flags); vfd->lock = &dev->v4l2_lock; + vfd->v4l2_dev = &dev->v4l2_dev; vfd->tvnorms = 0; + set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags); for (i = 0; i < dev->ext_vv_data->num_stds; i++) vfd->tvnorms |= dev->ext_vv_data->stds[i].id; strlcpy(vfd->name, name, sizeof(vfd->name)); |