diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-empress.c')
-rw-r--r-- | drivers/media/video/saa7134/saa7134-empress.c | 170 |
1 files changed, 120 insertions, 50 deletions
diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c index 1314522a8130..c0c5d7509c25 100644 --- a/drivers/media/video/saa7134/saa7134-empress.c +++ b/drivers/media/video/saa7134/saa7134-empress.c @@ -89,14 +89,14 @@ static int ts_open(struct inode *inode, struct file *file) err = -EBUSY; if (!mutex_trylock(&dev->empress_tsq.vb_lock)) goto done; - if (dev->empress_users) + if (atomic_read(&dev->empress_users)) goto done_up; /* Unmute audio */ saa_writeb(SAA7134_AUDIO_MUTE_CTRL, saa_readb(SAA7134_AUDIO_MUTE_CTRL) & ~(1 << 6)); - dev->empress_users++; + atomic_inc(&dev->empress_users); file->private_data = dev; err = 0; @@ -112,7 +112,6 @@ static int ts_release(struct inode *inode, struct file *file) videobuf_stop(&dev->empress_tsq); videobuf_mmap_free(&dev->empress_tsq); - dev->empress_users--; /* stop the encoder */ ts_reset_encoder(dev); @@ -121,6 +120,8 @@ static int ts_release(struct inode *inode, struct file *file) saa_writeb(SAA7134_AUDIO_MUTE_CTRL, saa_readb(SAA7134_AUDIO_MUTE_CTRL) | (1 << 6)); + atomic_dec(&dev->empress_users); + return 0; } @@ -163,8 +164,7 @@ ts_mmap(struct file *file, struct vm_area_struct * vma) static int empress_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { - struct saa7134_fh *fh = priv; - struct saa7134_dev *dev = fh->dev; + struct saa7134_dev *dev = file->private_data; strcpy(cap->driver, "saa7134"); strlcpy(cap->card, saa7134_boards[dev->board].name, @@ -204,7 +204,7 @@ static int empress_s_input(struct file *file, void *priv, unsigned int i) return 0; } -static int empress_enum_fmt_cap(struct file *file, void *priv, +static int empress_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f) { if (f->index != 0) @@ -216,11 +216,10 @@ static int empress_enum_fmt_cap(struct file *file, void *priv, return 0; } -static int empress_g_fmt_cap(struct file *file, void *priv, +static int empress_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { - struct saa7134_fh *fh = priv; - struct saa7134_dev *dev = fh->dev; + struct saa7134_dev *dev = file->private_data; saa7134_i2c_call_clients(dev, VIDIOC_G_FMT, f); @@ -230,11 +229,10 @@ static int empress_g_fmt_cap(struct file *file, void *priv, return 0; } -static int empress_s_fmt_cap(struct file *file, void *priv, +static int empress_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { - struct saa7134_fh *fh = priv; - struct saa7134_dev *dev = fh->dev; + struct saa7134_dev *dev = file->private_data; saa7134_i2c_call_clients(dev, VIDIOC_S_FMT, f); @@ -248,8 +246,7 @@ static int empress_s_fmt_cap(struct file *file, void *priv, static int empress_reqbufs(struct file *file, void *priv, struct v4l2_requestbuffers *p) { - struct saa7134_fh *fh = priv; - struct saa7134_dev *dev = fh->dev; + struct saa7134_dev *dev = file->private_data; return videobuf_reqbufs(&dev->empress_tsq, p); } @@ -257,24 +254,21 @@ static int empress_reqbufs(struct file *file, void *priv, static int empress_querybuf(struct file *file, void *priv, struct v4l2_buffer *b) { - struct saa7134_fh *fh = priv; - struct saa7134_dev *dev = fh->dev; + struct saa7134_dev *dev = file->private_data; return videobuf_querybuf(&dev->empress_tsq, b); } static int empress_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) { - struct saa7134_fh *fh = priv; - struct saa7134_dev *dev = fh->dev; + struct saa7134_dev *dev = file->private_data; return videobuf_qbuf(&dev->empress_tsq, b); } static int empress_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) { - struct saa7134_fh *fh = priv; - struct saa7134_dev *dev = fh->dev; + struct saa7134_dev *dev = file->private_data; return videobuf_dqbuf(&dev->empress_tsq, b, file->f_flags & O_NONBLOCK); @@ -283,8 +277,7 @@ static int empress_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) static int empress_streamon(struct file *file, void *priv, enum v4l2_buf_type type) { - struct saa7134_fh *fh = priv; - struct saa7134_dev *dev = fh->dev; + struct saa7134_dev *dev = file->private_data; return videobuf_streamon(&dev->empress_tsq); } @@ -292,17 +285,25 @@ static int empress_streamon(struct file *file, void *priv, static int empress_streamoff(struct file *file, void *priv, enum v4l2_buf_type type) { - struct saa7134_fh *fh = priv; - struct saa7134_dev *dev = fh->dev; + struct saa7134_dev *dev = file->private_data; return videobuf_streamoff(&dev->empress_tsq); } +static int saa7134_i2c_call_saa6752(struct saa7134_dev *dev, + unsigned int cmd, void *arg) +{ + if (dev->mpeg_i2c_client == NULL) + return -EINVAL; + return dev->mpeg_i2c_client->driver->command(dev->mpeg_i2c_client, + cmd, arg); +} + static int empress_s_ext_ctrls(struct file *file, void *priv, struct v4l2_ext_controls *ctrls) { - struct saa7134_fh *fh = priv; - struct saa7134_dev *dev = fh->dev; + struct saa7134_dev *dev = file->private_data; + int err; /* count == 0 is abused in saa6752hs.c, so that special case is handled here explicitly. */ @@ -312,23 +313,91 @@ static int empress_s_ext_ctrls(struct file *file, void *priv, if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG) return -EINVAL; - saa7134_i2c_call_clients(dev, VIDIOC_S_EXT_CTRLS, ctrls); + err = saa7134_i2c_call_saa6752(dev, VIDIOC_S_EXT_CTRLS, ctrls); ts_init_encoder(dev); - return 0; + return err; } static int empress_g_ext_ctrls(struct file *file, void *priv, struct v4l2_ext_controls *ctrls) { - struct saa7134_fh *fh = priv; - struct saa7134_dev *dev = fh->dev; + struct saa7134_dev *dev = file->private_data; if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG) return -EINVAL; - saa7134_i2c_call_clients(dev, VIDIOC_G_EXT_CTRLS, ctrls); + return saa7134_i2c_call_saa6752(dev, VIDIOC_G_EXT_CTRLS, ctrls); +} - return 0; +static int empress_g_ctrl(struct file *file, void *priv, + struct v4l2_control *c) +{ + struct saa7134_dev *dev = file->private_data; + + return saa7134_g_ctrl_internal(dev, NULL, c); +} + +static int empress_s_ctrl(struct file *file, void *priv, + struct v4l2_control *c) +{ + struct saa7134_dev *dev = file->private_data; + + return saa7134_s_ctrl_internal(dev, NULL, c); +} + +static int empress_queryctrl(struct file *file, void *priv, + struct v4l2_queryctrl *c) +{ + static const u32 user_ctrls[] = { + V4L2_CID_USER_CLASS, + V4L2_CID_BRIGHTNESS, + V4L2_CID_CONTRAST, + V4L2_CID_SATURATION, + V4L2_CID_HUE, + V4L2_CID_AUDIO_VOLUME, + V4L2_CID_AUDIO_MUTE, + V4L2_CID_HFLIP, + 0 + }; + + static const u32 mpeg_ctrls[] = { + V4L2_CID_MPEG_CLASS, + V4L2_CID_MPEG_STREAM_TYPE, + V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ, + V4L2_CID_MPEG_AUDIO_ENCODING, + V4L2_CID_MPEG_AUDIO_L2_BITRATE, + V4L2_CID_MPEG_VIDEO_ENCODING, + V4L2_CID_MPEG_VIDEO_ASPECT, + V4L2_CID_MPEG_VIDEO_BITRATE_MODE, + V4L2_CID_MPEG_VIDEO_BITRATE, + V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, + 0 + }; + static const u32 *ctrl_classes[] = { + user_ctrls, + mpeg_ctrls, + NULL + }; + struct saa7134_dev *dev = file->private_data; + + c->id = v4l2_ctrl_next(ctrl_classes, c->id); + if (c->id == 0) + return -EINVAL; + if (c->id == V4L2_CID_USER_CLASS || c->id == V4L2_CID_MPEG_CLASS) + return v4l2_ctrl_query_fill_std(c); + if (V4L2_CTRL_ID2CLASS(c->id) != V4L2_CTRL_CLASS_MPEG) + return saa7134_queryctrl(file, priv, c); + return saa7134_i2c_call_saa6752(dev, VIDIOC_QUERYCTRL, c); +} + +static int empress_querymenu(struct file *file, void *priv, + struct v4l2_querymenu *c) +{ + struct saa7134_dev *dev = file->private_data; + + if (V4L2_CTRL_ID2CLASS(c->id) != V4L2_CTRL_CLASS_MPEG) + return -EINVAL; + return saa7134_i2c_call_saa6752(dev, VIDIOC_QUERYMENU, c); } static const struct file_operations ts_fops = @@ -343,20 +412,11 @@ static const struct file_operations ts_fops = .llseek = no_llseek, }; -/* ----------------------------------------------------------- */ - -static struct video_device saa7134_empress_template = -{ - .name = "saa7134-empress", - .type = 0 /* FIXME */, - .type2 = 0 /* FIXME */, - .fops = &ts_fops, - .minor = -1, - +static const struct v4l2_ioctl_ops ts_ioctl_ops = { .vidioc_querycap = empress_querycap, - .vidioc_enum_fmt_cap = empress_enum_fmt_cap, - .vidioc_s_fmt_cap = empress_s_fmt_cap, - .vidioc_g_fmt_cap = empress_g_fmt_cap, + .vidioc_enum_fmt_vid_cap = empress_enum_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = empress_s_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = empress_g_fmt_vid_cap, .vidioc_reqbufs = empress_reqbufs, .vidioc_querybuf = empress_querybuf, .vidioc_qbuf = empress_qbuf, @@ -369,9 +429,19 @@ static struct video_device saa7134_empress_template = .vidioc_g_input = empress_g_input, .vidioc_s_input = empress_s_input, - .vidioc_queryctrl = saa7134_queryctrl, - .vidioc_g_ctrl = saa7134_g_ctrl, - .vidioc_s_ctrl = saa7134_s_ctrl, + .vidioc_queryctrl = empress_queryctrl, + .vidioc_querymenu = empress_querymenu, + .vidioc_g_ctrl = empress_g_ctrl, + .vidioc_s_ctrl = empress_s_ctrl, +}; + +/* ----------------------------------------------------------- */ + +static struct video_device saa7134_empress_template = { + .name = "saa7134-empress", + .fops = &ts_fops, + .minor = -1, + .ioctl_ops = &ts_ioctl_ops, .tvnorms = SAA7134_NORMS, .current_norm = V4L2_STD_PAL, @@ -387,7 +457,7 @@ static void empress_signal_update(struct work_struct *work) ts_reset_encoder(dev); } else { dprintk("video signal acquired\n"); - if (dev->empress_users) + if (atomic_read(&dev->empress_users)) ts_init_encoder(dev); } } @@ -407,7 +477,7 @@ static int empress_init(struct saa7134_dev *dev) if (NULL == dev->empress_dev) return -ENOMEM; *(dev->empress_dev) = saa7134_empress_template; - dev->empress_dev->dev = &dev->pci->dev; + dev->empress_dev->parent = &dev->pci->dev; dev->empress_dev->release = video_device_release; snprintf(dev->empress_dev->name, sizeof(dev->empress_dev->name), "%s empress (%s)", dev->name, |