MODULE_LICENSE("GPL");
static unsigned int video_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET };
-static unsigned int radio_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET };
module_param_array(video_nr, int, NULL, 0444);
-module_param_array(radio_nr, int, NULL, 0444);
MODULE_PARM_DESC(video_nr, "video device numbers");
-MODULE_PARM_DESC(radio_nr, "radio device numbers");
static unsigned int video_debug = VIDEO_DEBUG;
module_param(video_debug, int, 0644);
module_param(irq_debug, int, 0644);
MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
-unsigned int vid_limit = 16;
+static unsigned int vid_limit = 16;
module_param(vid_limit, int, 0644);
MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
-static void cx25821_init_controls(struct cx25821_dev *dev, int chan_num);
-
-static const struct v4l2_file_operations video_fops;
-static const struct v4l2_ioctl_ops video_ioctl_ops;
-
#define FORMAT_FLAGS_PACKED 0x01
-struct cx25821_fmt formats[] = {
+static const struct cx25821_fmt formats[] = {
{
- .name = "8 bpp, gray",
- .fourcc = V4L2_PIX_FMT_GREY,
- .depth = 8,
- .flags = FORMAT_FLAGS_PACKED,
- }, {
.name = "4:1:1, packed, Y41P",
.fourcc = V4L2_PIX_FMT_Y41P,
.depth = 12,
.fourcc = V4L2_PIX_FMT_YUYV,
.depth = 16,
.flags = FORMAT_FLAGS_PACKED,
- }, {
- .name = "4:2:2, packed, UYVY",
- .fourcc = V4L2_PIX_FMT_UYVY,
- .depth = 16,
- .flags = FORMAT_FLAGS_PACKED,
- }, {
- .name = "4:2:0, YUV",
- .fourcc = V4L2_PIX_FMT_YUV420,
- .depth = 12,
- .flags = FORMAT_FLAGS_PACKED,
},
};
-int cx25821_get_format_size(void)
-{
- return ARRAY_SIZE(formats);
-}
-
-struct cx25821_fmt *cx25821_format_by_fourcc(unsigned int fourcc)
+static const struct cx25821_fmt *cx25821_format_by_fourcc(unsigned int fourcc)
{
unsigned int i;
- if (fourcc == V4L2_PIX_FMT_Y41P || fourcc == V4L2_PIX_FMT_YUV411P)
- return formats + 1;
-
for (i = 0; i < ARRAY_SIZE(formats); i++)
if (formats[i].fourcc == fourcc)
return formats + i;
-
- pr_err("%s(0x%08x) NOT FOUND\n", __func__, fourcc);
return NULL;
}
pr_err("%s: %d buffers handled (should be 1)\n", __func__, bc);
}
-#ifdef TUNER_FLAG
-int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm)
+static int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm)
{
dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
__func__, (unsigned int)norm, v4l2_norm_to_name(norm));
return 0;
}
-#endif
-
-struct video_device *cx25821_vdev_init(struct cx25821_dev *dev,
- struct pci_dev *pci,
- struct video_device *template,
- char *type)
-{
- struct video_device *vfd;
- dprintk(1, "%s()\n", __func__);
-
- vfd = video_device_alloc();
- if (NULL == vfd)
- return NULL;
- *vfd = *template;
- vfd->v4l2_dev = &dev->v4l2_dev;
- vfd->release = video_device_release;
- snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name, type,
- cx25821_boards[dev->board].name);
- video_set_drvdata(vfd, dev);
- return vfd;
-}
-
-/*
-static int cx25821_ctrl_query(struct v4l2_queryctrl *qctrl)
-{
- int i;
-
- if (qctrl->id < V4L2_CID_BASE || qctrl->id >= V4L2_CID_LASTP1)
- return -EINVAL;
- for (i = 0; i < CX25821_CTLS; i++)
- if (cx25821_ctls[i].v.id == qctrl->id)
- break;
- if (i == CX25821_CTLS) {
- *qctrl = no_ctl;
- return 0;
- }
- *qctrl = cx25821_ctls[i].v;
- return 0;
-}
-*/
-
-/* resource management */
-int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh,
- unsigned int bit)
-{
- dprintk(1, "%s()\n", __func__);
- if (fh->resources & bit)
- /* have it already allocated */
- return 1;
-
- /* is it free? */
- mutex_lock(&dev->lock);
- if (dev->channels[fh->channel_id].resources & bit) {
- /* no, someone else uses it */
- mutex_unlock(&dev->lock);
- return 0;
- }
- /* it's free, grab it */
- fh->resources |= bit;
- dev->channels[fh->channel_id].resources |= bit;
- dprintk(1, "res: get %d\n", bit);
- mutex_unlock(&dev->lock);
- return 1;
-}
-
-int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit)
-{
- return fh->resources & bit;
-}
-
-int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit)
-{
- return fh->dev->channels[fh->channel_id].resources & bit;
-}
-
-void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh,
- unsigned int bits)
-{
- BUG_ON((fh->resources & bits) != bits);
- dprintk(1, "%s()\n", __func__);
-
- mutex_lock(&dev->lock);
- fh->resources &= ~bits;
- dev->channels[fh->channel_id].resources &= ~bits;
- dprintk(1, "res: put %d\n", bits);
- mutex_unlock(&dev->lock);
-}
-int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input)
+static int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input)
{
struct v4l2_routing route;
memset(&route, 0, sizeof(route));
int cx25821_start_video_dma(struct cx25821_dev *dev,
struct cx25821_dmaqueue *q,
struct cx25821_buffer *buf,
- struct sram_channel *channel)
+ const struct sram_channel *channel)
{
int tmp = 0;
static int cx25821_restart_video_queue(struct cx25821_dev *dev,
struct cx25821_dmaqueue *q,
- struct sram_channel *channel)
+ const struct sram_channel *channel)
{
struct cx25821_buffer *buf, *prev;
struct list_head *item;
{
struct cx25821_data *timeout_data = (struct cx25821_data *)data;
struct cx25821_dev *dev = timeout_data->dev;
- struct sram_channel *channel = timeout_data->channel;
- struct cx25821_dmaqueue *q = &dev->channels[channel->i].vidq;
+ const struct sram_channel *channel = timeout_data->channel;
+ struct cx25821_dmaqueue *q = &dev->channels[channel->i].dma_vidq;
struct cx25821_buffer *buf;
unsigned long flags;
u32 count = 0;
int handled = 0;
u32 mask;
- struct sram_channel *channel = dev->channels[chan_num].sram_channels;
+ const struct sram_channel *channel = dev->channels[chan_num].sram_channels;
mask = cx_read(channel->int_msk);
if (0 == (status & mask))
if (status & FLD_VID_DST_RISC1) {
spin_lock(&dev->slock);
count = cx_read(channel->gpcnt);
- cx25821_video_wakeup(dev, &dev->channels[channel->i].vidq,
+ cx25821_video_wakeup(dev, &dev->channels[channel->i].dma_vidq,
count);
spin_unlock(&dev->slock);
handled++;
dprintk(2, "stopper video\n");
spin_lock(&dev->slock);
cx25821_restart_video_queue(dev,
- &dev->channels[channel->i].vidq, channel);
+ &dev->channels[channel->i].dma_vidq, channel);
spin_unlock(&dev->slock);
handled++;
}
return handled;
}
-void cx25821_videoioctl_unregister(struct cx25821_dev *dev)
-{
- if (dev->ioctl_dev) {
- if (video_is_registered(dev->ioctl_dev))
- video_unregister_device(dev->ioctl_dev);
- else
- video_device_release(dev->ioctl_dev);
-
- dev->ioctl_dev = NULL;
- }
-}
-
-void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num)
-{
- cx_clear(PCI_INT_MSK, 1);
-
- if (dev->channels[chan_num].video_dev) {
- if (video_is_registered(dev->channels[chan_num].video_dev))
- video_unregister_device(
- dev->channels[chan_num].video_dev);
- else
- video_device_release(
- dev->channels[chan_num].video_dev);
-
- dev->channels[chan_num].video_dev = NULL;
-
- btcx_riscmem_free(dev->pci,
- &dev->channels[chan_num].vidq.stopper);
-
- pr_warn("device %d released!\n", chan_num);
- }
-
-}
-
-int cx25821_video_register(struct cx25821_dev *dev)
-{
- int err;
- int i;
-
- struct video_device cx25821_video_device = {
- .name = "cx25821-video",
- .fops = &video_fops,
- .minor = -1,
- .ioctl_ops = &video_ioctl_ops,
- .tvnorms = CX25821_NORMS,
- .current_norm = V4L2_STD_NTSC_M,
- };
-
- spin_lock_init(&dev->slock);
-
- for (i = 0; i < MAX_VID_CHANNEL_NUM - 1; ++i) {
- cx25821_init_controls(dev, i);
-
- cx25821_risc_stopper(dev->pci, &dev->channels[i].vidq.stopper,
- dev->channels[i].sram_channels->dma_ctl, 0x11, 0);
-
- dev->channels[i].sram_channels = &cx25821_sram_channels[i];
- dev->channels[i].video_dev = NULL;
- dev->channels[i].resources = 0;
-
- cx_write(dev->channels[i].sram_channels->int_stat, 0xffffffff);
-
- INIT_LIST_HEAD(&dev->channels[i].vidq.active);
- INIT_LIST_HEAD(&dev->channels[i].vidq.queued);
-
- dev->channels[i].timeout_data.dev = dev;
- dev->channels[i].timeout_data.channel =
- &cx25821_sram_channels[i];
- dev->channels[i].vidq.timeout.function = cx25821_vid_timeout;
- dev->channels[i].vidq.timeout.data =
- (unsigned long)&dev->channels[i].timeout_data;
- init_timer(&dev->channels[i].vidq.timeout);
-
- /* register v4l devices */
- dev->channels[i].video_dev = cx25821_vdev_init(dev, dev->pci,
- &cx25821_video_device, "video");
-
- err = video_register_device(dev->channels[i].video_dev,
- VFL_TYPE_GRABBER, video_nr[dev->nr]);
-
- if (err < 0)
- goto fail_unreg;
-
- }
-
- /* set PCI interrupt */
- cx_set(PCI_INT_MSK, 0xff);
-
- /* initial device configuration */
- mutex_lock(&dev->lock);
-#ifdef TUNER_FLAG
- dev->tvnorm = cx25821_video_device.current_norm;
- cx25821_set_tvnorm(dev, dev->tvnorm);
-#endif
- mutex_unlock(&dev->lock);
-
- return 0;
-
-fail_unreg:
- cx25821_video_unregister(dev, i);
- return err;
-}
-
-int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count,
+static int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count,
unsigned int *size)
{
- struct cx25821_fh *fh = q->priv_data;
+ struct cx25821_channel *chan = q->priv_data;
- *size = fh->fmt->depth * fh->width * fh->height >> 3;
+ *size = chan->fmt->depth * chan->width * chan->height >> 3;
if (0 == *count)
*count = 32;
return 0;
}
-int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
+static int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
enum v4l2_field field)
{
- struct cx25821_fh *fh = q->priv_data;
- struct cx25821_dev *dev = fh->dev;
+ struct cx25821_channel *chan = q->priv_data;
+ struct cx25821_dev *dev = chan->dev;
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
int rc, init_buffer = 0;
u32 line0_offset;
struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb);
int bpl_local = LINE_SIZE_D1;
- int channel_opened = fh->channel_id;
- BUG_ON(NULL == fh->fmt);
- if (fh->width < 48 || fh->width > 720 ||
- fh->height < 32 || fh->height > 576)
+ BUG_ON(NULL == chan->fmt);
+ if (chan->width < 48 || chan->width > 720 ||
+ chan->height < 32 || chan->height > 576)
return -EINVAL;
- buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
+ buf->vb.size = (chan->width * chan->height * chan->fmt->depth) >> 3;
if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
return -EINVAL;
- if (buf->fmt != fh->fmt ||
- buf->vb.width != fh->width ||
- buf->vb.height != fh->height || buf->vb.field != field) {
- buf->fmt = fh->fmt;
- buf->vb.width = fh->width;
- buf->vb.height = fh->height;
+ if (buf->fmt != chan->fmt ||
+ buf->vb.width != chan->width ||
+ buf->vb.height != chan->height || buf->vb.field != field) {
+ buf->fmt = chan->fmt;
+ buf->vb.width = chan->width;
+ buf->vb.height = chan->height;
buf->vb.field = field;
init_buffer = 1;
}
dprintk(1, "init_buffer=%d\n", init_buffer);
if (init_buffer) {
-
- channel_opened = dev->channel_opened;
- if (channel_opened < 0 || channel_opened > 7)
- channel_opened = 7;
-
- if (dev->channels[channel_opened].pixel_formats ==
- PIXEL_FRMT_411)
+ if (chan->pixel_formats == PIXEL_FRMT_411)
buf->bpl = (buf->fmt->depth * buf->vb.width) >> 3;
else
buf->bpl = (buf->fmt->depth >> 3) * (buf->vb.width);
- if (dev->channels[channel_opened].pixel_formats ==
- PIXEL_FRMT_411) {
+ if (chan->pixel_formats == PIXEL_FRMT_411) {
bpl_local = buf->bpl;
} else {
bpl_local = buf->bpl; /* Default */
- if (channel_opened >= 0 && channel_opened <= 7) {
- if (dev->channels[channel_opened]
- .use_cif_resolution) {
- if (dev->tvnorm & V4L2_STD_PAL_BG ||
- dev->tvnorm & V4L2_STD_PAL_DK)
- bpl_local = 352 << 1;
- else
- bpl_local = dev->channels[
- channel_opened].
- cif_width << 1;
- }
+ if (chan->use_cif_resolution) {
+ if (dev->tvnorm & V4L2_STD_625_50)
+ bpl_local = 352 << 1;
+ else
+ bpl_local = chan->cif_width << 1;
}
}
}
dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
- buf, buf->vb.i, fh->width, fh->height, fh->fmt->depth,
- fh->fmt->name, (unsigned long)buf->risc.dma);
+ buf, buf->vb.i, chan->width, chan->height, chan->fmt->depth,
+ chan->fmt->name, (unsigned long)buf->risc.dma);
buf->vb.state = VIDEOBUF_PREPARED;
return rc;
}
-void cx25821_buffer_release(struct videobuf_queue *q,
+static void cx25821_buffer_release(struct videobuf_queue *q,
struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
cx25821_free_buffer(q, buf);
}
-struct videobuf_queue *get_queue(struct cx25821_fh *fh)
-{
- switch (fh->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- return &fh->vidq;
- default:
- BUG();
- return NULL;
- }
-}
-
-int cx25821_get_resource(struct cx25821_fh *fh, int resource)
-{
- switch (fh->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- return resource;
- default:
- BUG();
- return 0;
- }
-}
-
-int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma)
+static int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma)
{
- struct cx25821_fh *fh = file->private_data;
+ struct cx25821_channel *chan = video_drvdata(file);
- return videobuf_mmap_mapper(get_queue(fh), vma);
+ return videobuf_mmap_mapper(&chan->vidq, vma);
}
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
- struct cx25821_fh *fh = vq->priv_data;
- struct cx25821_dev *dev = fh->dev;
- struct cx25821_dmaqueue *q = &dev->channels[fh->channel_id].vidq;
+ struct cx25821_channel *chan = vq->priv_data;
+ struct cx25821_dev *dev = chan->dev;
+ struct cx25821_dmaqueue *q = &dev->channels[chan->id].dma_vidq;
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
- cx25821_start_video_dma(dev, q, buf,
- dev->channels[fh->channel_id].sram_channels);
+ cx25821_start_video_dma(dev, q, buf, chan->sram_channels);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
.buf_release = cx25821_buffer_release,
};
-static int video_open(struct file *file)
-{
- struct video_device *vdev = video_devdata(file);
- struct cx25821_dev *h, *dev = video_drvdata(file);
- struct cx25821_fh *fh;
- struct list_head *list;
- int minor = video_devdata(file)->minor;
- enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- u32 pix_format;
- int ch_id = 0;
- int i;
-
- dprintk(1, "open dev=%s type=%s\n", video_device_node_name(vdev),
- v4l2_type_names[type]);
-
- /* allocate + initialize per filehandle data */
- fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh)
- return -ENOMEM;
-
- mutex_lock(&cx25821_devlist_mutex);
-
- list_for_each(list, &cx25821_devlist)
- {
- h = list_entry(list, struct cx25821_dev, devlist);
-
- for (i = 0; i < MAX_VID_CHANNEL_NUM; i++) {
- if (h->channels[i].video_dev &&
- h->channels[i].video_dev->minor == minor) {
- dev = h;
- ch_id = i;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
- }
- }
-
- if (NULL == dev) {
- mutex_unlock(&cx25821_devlist_mutex);
- kfree(fh);
- return -ENODEV;
- }
-
- file->private_data = fh;
- fh->dev = dev;
- fh->type = type;
- fh->width = 720;
- fh->channel_id = ch_id;
-
- if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
- fh->height = 576;
- else
- fh->height = 480;
-
- dev->channel_opened = fh->channel_id;
- if (dev->channels[ch_id].pixel_formats == PIXEL_FRMT_411)
- pix_format = V4L2_PIX_FMT_Y41P;
- else
- pix_format = V4L2_PIX_FMT_YUYV;
- fh->fmt = cx25821_format_by_fourcc(pix_format);
-
- v4l2_prio_open(&dev->channels[ch_id].prio, &fh->prio);
-
- videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops, &dev->pci->dev,
- &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE,
- V4L2_FIELD_INTERLACED, sizeof(struct cx25821_buffer),
- fh, NULL);
-
- dprintk(1, "post videobuf_queue_init()\n");
- mutex_unlock(&cx25821_devlist_mutex);
-
- return 0;
-}
-
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t *ppos)
{
- struct cx25821_fh *fh = file->private_data;
-
- switch (fh->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- if (cx25821_res_locked(fh, RESOURCE_VIDEO0))
- return -EBUSY;
+ struct v4l2_fh *fh = file->private_data;
+ struct cx25821_channel *chan = video_drvdata(file);
+ struct cx25821_dev *dev = chan->dev;
+ int err = 0;
- return videobuf_read_one(&fh->vidq, data, count, ppos,
- file->f_flags & O_NONBLOCK);
-
- default:
- BUG();
- return 0;
+ if (mutex_lock_interruptible(&dev->lock))
+ return -ERESTARTSYS;
+ if (chan->streaming_fh && chan->streaming_fh != fh) {
+ err = -EBUSY;
+ goto unlock;
}
+ chan->streaming_fh = fh;
+
+ err = videobuf_read_one(&chan->vidq, data, count, ppos,
+ file->f_flags & O_NONBLOCK);
+unlock:
+ mutex_unlock(&dev->lock);
+ return err;
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
- struct cx25821_fh *fh = file->private_data;
- struct cx25821_buffer *buf;
-
- if (cx25821_res_check(fh, RESOURCE_VIDEO0)) {
- /* streaming capture */
- if (list_empty(&fh->vidq.stream))
- return POLLERR;
- buf = list_entry(fh->vidq.stream.next,
- struct cx25821_buffer, vb.stream);
- } else {
- /* read() capture */
- buf = (struct cx25821_buffer *)fh->vidq.read_buf;
- if (NULL == buf)
- return POLLERR;
- }
-
- poll_wait(file, &buf->vb.done, wait);
- if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
- if (buf->vb.state == VIDEOBUF_DONE) {
- struct cx25821_dev *dev = fh->dev;
-
- if (dev && dev->channels[fh->channel_id]
- .use_cif_resolution) {
- u8 cam_id = *((char *)buf->vb.baddr + 3);
- memcpy((char *)buf->vb.baddr,
- (char *)buf->vb.baddr + (fh->width * 2),
- (fh->width * 2));
- *((char *)buf->vb.baddr + 3) = cam_id;
- }
+ struct cx25821_channel *chan = video_drvdata(file);
+ unsigned long req_events = poll_requested_events(wait);
+ unsigned int res = v4l2_ctrl_poll(file, wait);
+
+ if (req_events & (POLLIN | POLLRDNORM))
+ res |= videobuf_poll_stream(file, &chan->vidq, wait);
+ return res;
+
+ /* This doesn't belong in poll(). This can be done
+ * much better with vb2. We keep this code here as a
+ * reminder.
+ if ((res & POLLIN) && buf->vb.state == VIDEOBUF_DONE) {
+ struct cx25821_dev *dev = chan->dev;
+
+ if (dev && chan->use_cif_resolution) {
+ u8 cam_id = *((char *)buf->vb.baddr + 3);
+ memcpy((char *)buf->vb.baddr,
+ (char *)buf->vb.baddr + (chan->width * 2),
+ (chan->width * 2));
+ *((char *)buf->vb.baddr + 3) = cam_id;
}
-
- return POLLIN | POLLRDNORM;
}
-
- return 0;
+ */
}
static int video_release(struct file *file)
{
- struct cx25821_fh *fh = file->private_data;
- struct cx25821_dev *dev = fh->dev;
+ struct cx25821_channel *chan = video_drvdata(file);
+ struct v4l2_fh *fh = file->private_data;
+ struct cx25821_dev *dev = chan->dev;
+ const struct sram_channel *sram_ch =
+ dev->channels[0].sram_channels;
+ mutex_lock(&dev->lock);
/* stop the risc engine and fifo */
- cx_write(channel0->dma_ctl, 0); /* FIFO and RISC disable */
+ cx_write(sram_ch->dma_ctl, 0); /* FIFO and RISC disable */
/* stop video capture */
- if (cx25821_res_check(fh, RESOURCE_VIDEO0)) {
- videobuf_queue_cancel(&fh->vidq);
- cx25821_res_free(dev, fh, RESOURCE_VIDEO0);
+ if (chan->streaming_fh == fh) {
+ videobuf_queue_cancel(&chan->vidq);
+ chan->streaming_fh = NULL;
}
- if (fh->vidq.read_buf) {
- cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
- kfree(fh->vidq.read_buf);
+ if (chan->vidq.read_buf) {
+ cx25821_buffer_release(&chan->vidq, chan->vidq.read_buf);
+ kfree(chan->vidq.read_buf);
}
- videobuf_mmap_free(&fh->vidq);
+ videobuf_mmap_free(&chan->vidq);
+ mutex_unlock(&dev->lock);
+
+ return v4l2_fh_release(file);
+}
+
+/* VIDEO IOCTLS */
+static int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct cx25821_channel *chan = video_drvdata(file);
- v4l2_prio_close(&dev->channels[fh->channel_id].prio, fh->prio);
- file->private_data = NULL;
- kfree(fh);
+ f->fmt.pix.width = chan->width;
+ f->fmt.pix.height = chan->height;
+ f->fmt.pix.field = chan->vidq.field;
+ f->fmt.pix.pixelformat = chan->fmt->fourcc;
+ f->fmt.pix.bytesperline = (chan->width * chan->fmt->depth) >> 3;
+ f->fmt.pix.sizeimage = chan->height * f->fmt.pix.bytesperline;
+ f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
+ f->fmt.pix.priv = 0;
return 0;
}
-static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
+static int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
{
- struct cx25821_fh *fh = priv;
- struct cx25821_dev *dev = fh->dev;
+ struct cx25821_channel *chan = video_drvdata(file);
+ struct cx25821_dev *dev = chan->dev;
+ const struct cx25821_fmt *fmt;
+ enum v4l2_field field = f->fmt.pix.field;
+ unsigned int maxw, maxh;
+ unsigned w;
- if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
+ fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat);
+ if (NULL == fmt)
return -EINVAL;
+ maxw = 720;
+ maxh = (dev->tvnorm & V4L2_STD_625_50) ? 576 : 480;
+
+ w = f->fmt.pix.width;
+ if (field != V4L2_FIELD_BOTTOM)
+ field = V4L2_FIELD_TOP;
+ if (w < 352) {
+ w = 176;
+ f->fmt.pix.height = maxh / 4;
+ } else if (w < 720) {
+ w = 352;
+ f->fmt.pix.height = maxh / 2;
+ } else {
+ w = 720;
+ f->fmt.pix.height = maxh;
+ field = V4L2_FIELD_INTERLACED;
+ }
+ f->fmt.pix.field = field;
+ f->fmt.pix.width = w;
+ f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3;
+ f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
+ f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
+ f->fmt.pix.priv = 0;
+
+ return 0;
+}
+static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
+{
+ struct cx25821_channel *chan = video_drvdata(file);
- if (unlikely(i != fh->type))
+ if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
- if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh,
- RESOURCE_VIDEO0))))
+ if (chan->streaming_fh && chan->streaming_fh != priv)
return -EBUSY;
+ chan->streaming_fh = priv;
- return videobuf_streamon(get_queue(fh));
+ return videobuf_streamon(&chan->vidq);
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
- struct cx25821_fh *fh = priv;
- struct cx25821_dev *dev = fh->dev;
- int err, res;
+ struct cx25821_channel *chan = video_drvdata(file);
- if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
- if (i != fh->type)
+ if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
- res = cx25821_get_resource(fh, RESOURCE_VIDEO0);
- err = videobuf_streamoff(get_queue(fh));
- if (err < 0)
- return err;
- cx25821_res_free(dev, fh, res);
- return 0;
+ if (chan->streaming_fh && chan->streaming_fh != priv)
+ return -EBUSY;
+ if (chan->streaming_fh == NULL)
+ return 0;
+
+ chan->streaming_fh = NULL;
+ return videobuf_streamoff(&chan->vidq);
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct cx25821_fh *fh = priv;
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
+ struct cx25821_channel *chan = video_drvdata(file);
+ struct cx25821_dev *dev = chan->dev;
struct v4l2_mbus_framefmt mbus_fmt;
int err;
int pix_format = PIXEL_FRMT_422;
- if (fh) {
- err = v4l2_prio_check(&dev->channels[fh->channel_id].prio,
- fh->prio);
- if (0 != err)
- return err;
- }
-
- dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
- fh->fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat);
- fh->vidq.field = f->fmt.pix.field;
-
- /* check if width and height is valid based on set standard */
- if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm))
- fh->width = f->fmt.pix.width;
-
- if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm))
- fh->height = f->fmt.pix.height;
+ chan->fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat);
+ chan->vidq.field = f->fmt.pix.field;
+ chan->width = f->fmt.pix.width;
+ chan->height = f->fmt.pix.height;
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
pix_format = PIXEL_FRMT_411;
- else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
- pix_format = PIXEL_FRMT_422;
else
- return -EINVAL;
+ pix_format = PIXEL_FRMT_422;
cx25821_set_pixel_format(dev, SRAM_CH00, pix_format);
/* check if cif resolution */
- if (fh->width == 320 || fh->width == 352)
- dev->channels[fh->channel_id].use_cif_resolution = 1;
+ if (chan->width == 320 || chan->width == 352)
+ chan->use_cif_resolution = 1;
else
- dev->channels[fh->channel_id].use_cif_resolution = 0;
+ chan->use_cif_resolution = 0;
- dev->channels[fh->channel_id].cif_width = fh->width;
- medusa_set_resolution(dev, fh->width, SRAM_CH00);
+ chan->cif_width = chan->width;
+ medusa_set_resolution(dev, chan->width, SRAM_CH00);
- dprintk(2, "%s(): width=%d height=%d field=%d\n", __func__, fh->width,
- fh->height, fh->vidq.field);
v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
cx25821_call_all(dev, video, s_mbus_fmt, &mbus_fmt);
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
int ret_val = 0;
- struct cx25821_fh *fh = priv;
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-
- ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
+ struct cx25821_channel *chan = video_drvdata(file);
- p->sequence = dev->channels[fh->channel_id].vidq.count;
+ ret_val = videobuf_dqbuf(&chan->vidq, p, file->f_flags & O_NONBLOCK);
+ p->sequence = chan->dma_vidq.count;
return ret_val;
}
static int vidioc_log_status(struct file *file, void *priv)
{
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
- struct cx25821_fh *fh = priv;
- char name[32 + 2];
-
- struct sram_channel *sram_ch = dev->channels[fh->channel_id]
- .sram_channels;
+ struct cx25821_channel *chan = video_drvdata(file);
+ struct cx25821_dev *dev = chan->dev;
+ const struct sram_channel *sram_ch = chan->sram_channels;
u32 tmp = 0;
- snprintf(name, sizeof(name), "%s/2", dev->name);
- pr_info("%s/2: ============ START LOG STATUS ============\n",
- dev->name);
cx25821_call_all(dev, core, log_status);
tmp = cx_read(sram_ch->dma_ctl);
pr_info("Video input 0 is %s\n",
(tmp & 0x11) ? "streaming" : "stopped");
- pr_info("%s/2: ============= END LOG STATUS =============\n",
- dev->name);
- return 0;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctl)
-{
- struct cx25821_fh *fh = priv;
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
- int err;
-
- if (fh) {
- err = v4l2_prio_check(&dev->channels[fh->channel_id].prio,
- fh->prio);
- if (0 != err)
- return err;
- }
-
- return cx25821_set_control(dev, ctl, fh->channel_id);
-}
-
-/* VIDEO IOCTLS */
-int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct cx25821_fh *fh = priv;
-
- f->fmt.pix.width = fh->width;
- f->fmt.pix.height = fh->height;
- f->fmt.pix.field = fh->vidq.field;
- f->fmt.pix.pixelformat = fh->fmt->fourcc;
- f->fmt.pix.bytesperline = (f->fmt.pix.width * fh->fmt->depth) >> 3;
- f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
-
return 0;
}
-int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct cx25821_fmt *fmt;
- enum v4l2_field field;
- unsigned int maxw, maxh;
-
- fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat);
- if (NULL == fmt)
- return -EINVAL;
-
- field = f->fmt.pix.field;
- maxw = 720;
- maxh = 576;
-
- if (V4L2_FIELD_ANY == field) {
- if (f->fmt.pix.height > maxh / 2)
- field = V4L2_FIELD_INTERLACED;
- else
- field = V4L2_FIELD_TOP;
- }
-
- switch (field) {
- case V4L2_FIELD_TOP:
- case V4L2_FIELD_BOTTOM:
- maxh = maxh / 2;
- break;
- case V4L2_FIELD_INTERLACED:
- break;
- default:
- return -EINVAL;
- }
-
- f->fmt.pix.field = field;
- if (f->fmt.pix.height < 32)
- f->fmt.pix.height = 32;
- if (f->fmt.pix.height > maxh)
- f->fmt.pix.height = maxh;
- if (f->fmt.pix.width < 48)
- f->fmt.pix.width = 48;
- if (f->fmt.pix.width > maxw)
- f->fmt.pix.width = maxw;
- f->fmt.pix.width &= ~0x03;
- f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3;
- f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
-
- return 0;
-}
-int cx25821_vidioc_querycap(struct file *file, void *priv,
+static int cx25821_vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
+ struct cx25821_channel *chan = video_drvdata(file);
+ struct cx25821_dev *dev = chan->dev;
+ const u32 cap_input = V4L2_CAP_VIDEO_CAPTURE |
+ V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
+ const u32 cap_output = V4L2_CAP_VIDEO_OUTPUT;
strcpy(cap->driver, "cx25821");
strlcpy(cap->card, cx25821_boards[dev->board].name, sizeof(cap->card));
sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
- cap->version = CX25821_VERSION_CODE;
- cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
- V4L2_CAP_STREAMING;
- if (UNSET != dev->tuner_type)
- cap->capabilities |= V4L2_CAP_TUNER;
+ if (chan->id >= VID_CHANNEL_NUM)
+ cap->device_caps = cap_output;
+ else
+ cap->device_caps = cap_input;
+ cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
return 0;
}
-int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
+static int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
if (unlikely(f->index >= ARRAY_SIZE(formats)))
return 0;
}
-int cx25821_vidioc_reqbufs(struct file *file, void *priv,
+static int cx25821_vidioc_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *p)
{
- struct cx25821_fh *fh = priv;
- return videobuf_reqbufs(get_queue(fh), p);
+ struct cx25821_channel *chan = video_drvdata(file);
+
+ return videobuf_reqbufs(&chan->vidq, p);
}
-int cx25821_vidioc_querybuf(struct file *file, void *priv,
+static int cx25821_vidioc_querybuf(struct file *file, void *priv,
struct v4l2_buffer *p)
{
- struct cx25821_fh *fh = priv;
- return videobuf_querybuf(get_queue(fh), p);
-}
+ struct cx25821_channel *chan = video_drvdata(file);
-int cx25821_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
- struct cx25821_fh *fh = priv;
- return videobuf_qbuf(get_queue(fh), p);
+ return videobuf_querybuf(&chan->vidq, p);
}
-int cx25821_vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p)
+static int cx25821_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
- struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev;
- struct cx25821_fh *fh = f;
-
- *p = v4l2_prio_max(&dev->channels[fh->channel_id].prio);
+ struct cx25821_channel *chan = video_drvdata(file);
- return 0;
+ return videobuf_qbuf(&chan->vidq, p);
}
-int cx25821_vidioc_s_priority(struct file *file, void *f,
- enum v4l2_priority prio)
+static int cx25821_vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorms)
{
- struct cx25821_fh *fh = f;
- struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev;
+ struct cx25821_channel *chan = video_drvdata(file);
- return v4l2_prio_change(&dev->channels[fh->channel_id].prio, &fh->prio,
- prio);
+ *tvnorms = chan->dev->tvnorm;
+ return 0;
}
-#ifdef TUNER_FLAG
-int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id * tvnorms)
+int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
{
- struct cx25821_fh *fh = priv;
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
- int err;
-
- dprintk(1, "%s()\n", __func__);
+ struct cx25821_channel *chan = video_drvdata(file);
+ struct cx25821_dev *dev = chan->dev;
- if (fh) {
- err = v4l2_prio_check(&dev->channels[fh->channel_id].prio,
- fh->prio);
- if (0 != err)
- return err;
- }
-
- if (dev->tvnorm == *tvnorms)
+ if (dev->tvnorm == tvnorms)
return 0;
- mutex_lock(&dev->lock);
- cx25821_set_tvnorm(dev, *tvnorms);
- mutex_unlock(&dev->lock);
+ cx25821_set_tvnorm(dev, tvnorms);
+ chan->width = 720;
+ chan->height = (dev->tvnorm & V4L2_STD_625_50) ? 576 : 480;
medusa_set_videostandard(dev);
return 0;
}
-#endif
-int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i)
+static int cx25821_vidioc_enum_input(struct file *file, void *priv,
+ struct v4l2_input *i)
{
static const char * const iname[] = {
[CX25821_VMUX_COMPOSITE] = "Composite",
[CX25821_VMUX_SVIDEO] = "S-Video",
[CX25821_VMUX_DEBUG] = "for debug only",
};
+ struct cx25821_channel *chan = video_drvdata(file);
+ struct cx25821_dev *dev = chan->dev;
unsigned int n;
- dprintk(1, "%s()\n", __func__);
n = i->index;
- if (n >= 2)
+ if (n >= CX25821_NR_INPUT)
return -EINVAL;
if (0 == INPUT(n)->type)
return 0;
}
-int cx25821_vidioc_enum_input(struct file *file, void *priv,
- struct v4l2_input *i)
+static int cx25821_vidioc_g_input(struct file *file, void *priv, unsigned int *i)
{
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
- dprintk(1, "%s()\n", __func__);
- return cx25821_enum_input(dev, i);
-}
-
-int cx25821_vidioc_g_input(struct file *file, void *priv, unsigned int *i)
-{
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
+ struct cx25821_channel *chan = video_drvdata(file);
+ struct cx25821_dev *dev = chan->dev;
*i = dev->input;
- dprintk(1, "%s(): returns %d\n", __func__, *i);
return 0;
}
-int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i)
+static int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i)
{
- struct cx25821_fh *fh = priv;
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
- int err;
+ struct cx25821_channel *chan = video_drvdata(file);
+ struct cx25821_dev *dev = chan->dev;
- dprintk(1, "%s(%d)\n", __func__, i);
-
- if (fh) {
- err = v4l2_prio_check(&dev->channels[fh->channel_id].prio,
- fh->prio);
- if (0 != err)
- return err;
- }
-
- if (i >= CX25821_NR_INPUT) {
- dprintk(1, "%s(): -EINVAL\n", __func__);
+ if (i >= CX25821_NR_INPUT || INPUT(i)->type == 0)
return -EINVAL;
- }
- mutex_lock(&dev->lock);
cx25821_video_mux(dev, i);
- mutex_unlock(&dev->lock);
return 0;
}
-#ifdef TUNER_FLAG
-int cx25821_vidioc_g_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
-{
- struct cx25821_fh *fh = priv;
- struct cx25821_dev *dev = fh->dev;
-
- f->frequency = dev->freq;
-
- cx25821_call_all(dev, tuner, g_frequency, f);
-
- return 0;
-}
-
-int cx25821_set_freq(struct cx25821_dev *dev, struct v4l2_frequency *f)
-{
- mutex_lock(&dev->lock);
- dev->freq = f->frequency;
-
- cx25821_call_all(dev, tuner, s_frequency, f);
-
- /* When changing channels it is required to reset TVAUDIO */
- msleep(10);
-
- mutex_unlock(&dev->lock);
-
- return 0;
-}
-
-int cx25821_vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
-{
- struct cx25821_fh *fh = priv;
- struct cx25821_dev *dev;
- int err;
-
- if (fh) {
- dev = fh->dev;
- err = v4l2_prio_check(&dev->channels[fh->channel_id].prio,
- fh->prio);
- if (0 != err)
- return err;
- } else {
- pr_err("Invalid fh pointer!\n");
- return -EINVAL;
- }
-
- return cx25821_set_freq(dev, f);
-}
-#endif
-
#ifdef CONFIG_VIDEO_ADV_DEBUG
int cx25821_vidioc_g_register(struct file *file, void *fh,
struct v4l2_dbg_register *reg)
{
- struct cx25821_dev *dev = ((struct cx25821_fh *)fh)->dev;
+ struct cx25821_channel *chan = video_drvdata(file);
+ struct cx25821_dev *dev = chan->dev;
if (!v4l2_chip_match_host(®->match))
return -EINVAL;
}
int cx25821_vidioc_s_register(struct file *file, void *fh,
- struct v4l2_dbg_register *reg)
+ const struct v4l2_dbg_register *reg)
{
- struct cx25821_dev *dev = ((struct cx25821_fh *)fh)->dev;
+ struct cx25821_channel *chan = video_drvdata(file);
+ struct cx25821_dev *dev = chan->dev;
if (!v4l2_chip_match_host(®->match))
return -EINVAL;
#endif
-#ifdef TUNER_FLAG
-int cx25821_vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
+static int cx25821_s_ctrl(struct v4l2_ctrl *ctrl)
{
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
+ struct cx25821_channel *chan =
+ container_of(ctrl->handler, struct cx25821_channel, hdl);
+ struct cx25821_dev *dev = chan->dev;
- if (unlikely(UNSET == dev->tuner_type))
- return -EINVAL;
- if (0 != t->index)
- return -EINVAL;
-
- strcpy(t->name, "Television");
- t->type = V4L2_TUNER_ANALOG_TV;
- t->capability = V4L2_TUNER_CAP_NORM;
- t->rangehigh = 0xffffffffUL;
-
- t->signal = 0xffff; /* LOCKED */
- return 0;
-}
-
-int cx25821_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
-{
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
- struct cx25821_fh *fh = priv;
- int err;
-
- if (fh) {
- err = v4l2_prio_check(&dev->channels[fh->channel_id].prio,
- fh->prio);
- if (0 != err)
- return err;
- }
-
- dprintk(1, "%s()\n", __func__);
- if (UNSET == dev->tuner_type)
- return -EINVAL;
- if (0 != t->index)
- return -EINVAL;
-
- return 0;
-}
-
-#endif
-/*****************************************************************************/
-static const struct v4l2_queryctrl no_ctl = {
- .name = "42",
- .flags = V4L2_CTRL_FLAG_DISABLED,
-};
-
-static struct v4l2_queryctrl cx25821_ctls[] = {
- /* --- video --- */
- {
- .id = V4L2_CID_BRIGHTNESS,
- .name = "Brightness",
- .minimum = 0,
- .maximum = 10000,
- .step = 1,
- .default_value = 6200,
- .type = V4L2_CTRL_TYPE_INTEGER,
- }, {
- .id = V4L2_CID_CONTRAST,
- .name = "Contrast",
- .minimum = 0,
- .maximum = 10000,
- .step = 1,
- .default_value = 5000,
- .type = V4L2_CTRL_TYPE_INTEGER,
- }, {
- .id = V4L2_CID_SATURATION,
- .name = "Saturation",
- .minimum = 0,
- .maximum = 10000,
- .step = 1,
- .default_value = 5000,
- .type = V4L2_CTRL_TYPE_INTEGER,
- }, {
- .id = V4L2_CID_HUE,
- .name = "Hue",
- .minimum = 0,
- .maximum = 10000,
- .step = 1,
- .default_value = 5000,
- .type = V4L2_CTRL_TYPE_INTEGER,
- }
-};
-static const int CX25821_CTLS = ARRAY_SIZE(cx25821_ctls);
-
-static int cx25821_ctrl_query(struct v4l2_queryctrl *qctrl)
-{
- int i;
-
- if (qctrl->id < V4L2_CID_BASE || qctrl->id >= V4L2_CID_LASTP1)
- return -EINVAL;
- for (i = 0; i < CX25821_CTLS; i++)
- if (cx25821_ctls[i].id == qctrl->id)
- break;
- if (i == CX25821_CTLS) {
- *qctrl = no_ctl;
- return 0;
- }
- *qctrl = cx25821_ctls[i];
- return 0;
-}
-
-int cx25821_vidioc_queryctrl(struct file *file, void *priv,
- struct v4l2_queryctrl *qctrl)
-{
- return cx25821_ctrl_query(qctrl);
-}
-
-/* ------------------------------------------------------------------ */
-/* VIDEO CTRL IOCTLS */
-
-static const struct v4l2_queryctrl *ctrl_by_id(unsigned int id)
-{
- unsigned int i;
-
- for (i = 0; i < CX25821_CTLS; i++)
- if (cx25821_ctls[i].id == id)
- return cx25821_ctls + i;
- return NULL;
-}
-
-int cx25821_vidioc_g_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctl)
-{
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
- struct cx25821_fh *fh = priv;
-
- const struct v4l2_queryctrl *ctrl;
-
- ctrl = ctrl_by_id(ctl->id);
-
- if (NULL == ctrl)
- return -EINVAL;
- switch (ctl->id) {
+ switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
- ctl->value = dev->channels[fh->channel_id].ctl_bright;
+ medusa_set_brightness(dev, ctrl->val, chan->id);
break;
case V4L2_CID_HUE:
- ctl->value = dev->channels[fh->channel_id].ctl_hue;
+ medusa_set_hue(dev, ctrl->val, chan->id);
break;
case V4L2_CID_CONTRAST:
- ctl->value = dev->channels[fh->channel_id].ctl_contrast;
+ medusa_set_contrast(dev, ctrl->val, chan->id);
break;
case V4L2_CID_SATURATION:
- ctl->value = dev->channels[fh->channel_id].ctl_saturation;
- break;
- }
- return 0;
-}
-
-int cx25821_set_control(struct cx25821_dev *dev,
- struct v4l2_control *ctl, int chan_num)
-{
- int err;
- const struct v4l2_queryctrl *ctrl;
-
- err = -EINVAL;
-
- ctrl = ctrl_by_id(ctl->id);
-
- if (NULL == ctrl)
- return err;
-
- switch (ctrl->type) {
- case V4L2_CTRL_TYPE_BOOLEAN:
- case V4L2_CTRL_TYPE_MENU:
- case V4L2_CTRL_TYPE_INTEGER:
- if (ctl->value < ctrl->minimum)
- ctl->value = ctrl->minimum;
- if (ctl->value > ctrl->maximum)
- ctl->value = ctrl->maximum;
+ medusa_set_saturation(dev, ctrl->val, chan->id);
break;
default:
- /* nothing */ ;
- }
-
- switch (ctl->id) {
- case V4L2_CID_BRIGHTNESS:
- dev->channels[chan_num].ctl_bright = ctl->value;
- medusa_set_brightness(dev, ctl->value, chan_num);
- break;
- case V4L2_CID_HUE:
- dev->channels[chan_num].ctl_hue = ctl->value;
- medusa_set_hue(dev, ctl->value, chan_num);
- break;
- case V4L2_CID_CONTRAST:
- dev->channels[chan_num].ctl_contrast = ctl->value;
- medusa_set_contrast(dev, ctl->value, chan_num);
- break;
- case V4L2_CID_SATURATION:
- dev->channels[chan_num].ctl_saturation = ctl->value;
- medusa_set_saturation(dev, ctl->value, chan_num);
- break;
- }
-
- err = 0;
-
- return err;
-}
-
-static void cx25821_init_controls(struct cx25821_dev *dev, int chan_num)
-{
- struct v4l2_control ctrl;
- int i;
- for (i = 0; i < CX25821_CTLS; i++) {
- ctrl.id = cx25821_ctls[i].id;
- ctrl.value = cx25821_ctls[i].default_value;
-
- cx25821_set_control(dev, &ctrl, chan_num);
- }
-}
-
-int cx25821_vidioc_cropcap(struct file *file, void *priv,
- struct v4l2_cropcap *cropcap)
-{
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-
- if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
- cropcap->bounds.top = 0;
- cropcap->bounds.left = 0;
- cropcap->bounds.width = 720;
- cropcap->bounds.height = dev->tvnorm == V4L2_STD_PAL_BG ? 576 : 480;
- cropcap->pixelaspect.numerator =
- dev->tvnorm == V4L2_STD_PAL_BG ? 59 : 10;
- cropcap->pixelaspect.denominator =
- dev->tvnorm == V4L2_STD_PAL_BG ? 54 : 11;
- cropcap->defrect = cropcap->bounds;
- return 0;
-}
-
-int cx25821_vidioc_s_crop(struct file *file, void *priv, const struct v4l2_crop *crop)
-{
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
- struct cx25821_fh *fh = priv;
- int err;
-
- if (fh) {
- err = v4l2_prio_check(&dev->channels[fh->channel_id].prio,
- fh->prio);
- if (0 != err)
- return err;
- }
- /* cx25821_vidioc_s_crop not supported */
- return -EINVAL;
-}
-
-int cx25821_vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop)
-{
- /* cx25821_vidioc_g_crop not supported */
- return -EINVAL;
-}
-
-int cx25821_vidioc_querystd(struct file *file, void *priv, v4l2_std_id * norm)
-{
- /* medusa does not support video standard sensing of current input */
- *norm = CX25821_NORMS;
-
- return 0;
-}
-
-int cx25821_is_valid_width(u32 width, v4l2_std_id tvnorm)
-{
- if (tvnorm == V4L2_STD_PAL_BG) {
- if (width == 352 || width == 720)
- return 1;
- else
- return 0;
- }
-
- if (tvnorm == V4L2_STD_NTSC_M) {
- if (width == 320 || width == 352 || width == 720)
- return 1;
- else
- return 0;
- }
- return 0;
-}
-
-int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm)
-{
- if (tvnorm == V4L2_STD_PAL_BG) {
- if (height == 576 || height == 288)
- return 1;
- else
- return 0;
- }
-
- if (tvnorm == V4L2_STD_NTSC_M) {
- if (height == 480 || height == 240)
- return 1;
- else
- return 0;
}
-
return 0;
}
static long video_ioctl_upstream9(struct file *file, unsigned int cmd,
unsigned long arg)
{
- struct cx25821_fh *fh = file->private_data;
- struct cx25821_dev *dev = fh->dev;
+ struct cx25821_channel *chan = video_drvdata(file);
+ struct cx25821_dev *dev = chan->dev;
int command = 0;
struct upstream_user_struct *data_from_user;
static long video_ioctl_upstream10(struct file *file, unsigned int cmd,
unsigned long arg)
{
- struct cx25821_fh *fh = file->private_data;
- struct cx25821_dev *dev = fh->dev;
+ struct cx25821_channel *chan = video_drvdata(file);
+ struct cx25821_dev *dev = chan->dev;
int command = 0;
struct upstream_user_struct *data_from_user;
static long video_ioctl_upstream11(struct file *file, unsigned int cmd,
unsigned long arg)
{
- struct cx25821_fh *fh = file->private_data;
- struct cx25821_dev *dev = fh->dev;
+ struct cx25821_channel *chan = video_drvdata(file);
+ struct cx25821_dev *dev = chan->dev;
int command = 0;
struct upstream_user_struct *data_from_user;
return 0;
}
-static long video_ioctl_set(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- struct cx25821_fh *fh = file->private_data;
- struct cx25821_dev *dev = fh->dev;
- struct downstream_user_struct *data_from_user;
- int command;
- int width = 720;
- int selected_channel = 0;
- int pix_format = 0;
- int i = 0;
- int cif_enable = 0;
- int cif_width = 0;
-
- data_from_user = (struct downstream_user_struct *)arg;
-
- if (!data_from_user) {
- pr_err("%s(): User data is INVALID. Returning\n", __func__);
- return 0;
- }
-
- command = data_from_user->command;
-
- if (command != SET_VIDEO_STD && command != SET_PIXEL_FORMAT
- && command != ENABLE_CIF_RESOLUTION && command != REG_READ
- && command != REG_WRITE && command != MEDUSA_READ
- && command != MEDUSA_WRITE) {
- return 0;
- }
-
- switch (command) {
- case SET_VIDEO_STD:
- if (!strcmp(data_from_user->vid_stdname, "PAL"))
- dev->tvnorm = V4L2_STD_PAL_BG;
- else
- dev->tvnorm = V4L2_STD_NTSC_M;
- medusa_set_videostandard(dev);
- break;
-
- case SET_PIXEL_FORMAT:
- selected_channel = data_from_user->decoder_select;
- pix_format = data_from_user->pixel_format;
-
- if (!(selected_channel <= 7 && selected_channel >= 0)) {
- selected_channel -= 4;
- selected_channel = selected_channel % 8;
- }
-
- if (selected_channel >= 0)
- cx25821_set_pixel_format(dev, selected_channel,
- pix_format);
-
- break;
-
- case ENABLE_CIF_RESOLUTION:
- selected_channel = data_from_user->decoder_select;
- cif_enable = data_from_user->cif_resolution_enable;
- cif_width = data_from_user->cif_width;
-
- if (cif_enable) {
- if (dev->tvnorm & V4L2_STD_PAL_BG
- || dev->tvnorm & V4L2_STD_PAL_DK) {
- width = 352;
- } else {
- width = cif_width;
- if (cif_width != 320 && cif_width != 352)
- width = 320;
- }
- }
-
- if (!(selected_channel <= 7 && selected_channel >= 0)) {
- selected_channel -= 4;
- selected_channel = selected_channel % 8;
- }
-
- if (selected_channel <= 7 && selected_channel >= 0) {
- dev->channels[selected_channel].use_cif_resolution =
- cif_enable;
- dev->channels[selected_channel].cif_width = width;
- } else {
- for (i = 0; i < VID_CHANNEL_NUM; i++) {
- dev->channels[i].use_cif_resolution =
- cif_enable;
- dev->channels[i].cif_width = width;
- }
- }
-
- medusa_set_resolution(dev, width, selected_channel);
- break;
- case REG_READ:
- data_from_user->reg_data = cx_read(data_from_user->reg_address);
- break;
- case REG_WRITE:
- cx_write(data_from_user->reg_address, data_from_user->reg_data);
- break;
- case MEDUSA_READ:
- cx25821_i2c_read(&dev->i2c_bus[0],
- (u16) data_from_user->reg_address,
- &data_from_user->reg_data);
- break;
- case MEDUSA_WRITE:
- cx25821_i2c_write(&dev->i2c_bus[0],
- (u16) data_from_user->reg_address,
- data_from_user->reg_data);
- break;
- }
-
- return 0;
-}
-
static long cx25821_video_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
- int ret = 0;
-
- struct cx25821_fh *fh = file->private_data;
+ struct cx25821_channel *chan = video_drvdata(file);
/* check to see if it's the video upstream */
- if (fh->channel_id == SRAM_CH09) {
- ret = video_ioctl_upstream9(file, cmd, arg);
- return ret;
- } else if (fh->channel_id == SRAM_CH10) {
- ret = video_ioctl_upstream10(file, cmd, arg);
- return ret;
- } else if (fh->channel_id == SRAM_CH11) {
- ret = video_ioctl_upstream11(file, cmd, arg);
- ret = video_ioctl_set(file, cmd, arg);
- return ret;
- }
+ if (chan->id == SRAM_CH09)
+ return video_ioctl_upstream9(file, cmd, arg);
+ if (chan->id == SRAM_CH10)
+ return video_ioctl_upstream10(file, cmd, arg);
+ if (chan->id == SRAM_CH11)
+ return video_ioctl_upstream11(file, cmd, arg);
return video_ioctl2(file, cmd, arg);
}
-/* exported stuff */
+static const struct v4l2_ctrl_ops cx25821_ctrl_ops = {
+ .s_ctrl = cx25821_s_ctrl,
+};
+
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
- .open = video_open,
+ .open = v4l2_fh_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
- .ioctl = cx25821_video_ioctl,
+ .unlocked_ioctl = cx25821_video_ioctl,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
-#ifdef TUNER_FLAG
+ .vidioc_g_std = cx25821_vidioc_g_std,
.vidioc_s_std = cx25821_vidioc_s_std,
- .vidioc_querystd = cx25821_vidioc_querystd,
-#endif
- .vidioc_cropcap = cx25821_vidioc_cropcap,
- .vidioc_s_crop = cx25821_vidioc_s_crop,
- .vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
- .vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
- .vidioc_s_ctrl = vidioc_s_ctrl,
- .vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
- .vidioc_g_priority = cx25821_vidioc_g_priority,
- .vidioc_s_priority = cx25821_vidioc_s_priority,
-#ifdef TUNER_FLAG
- .vidioc_g_tuner = cx25821_vidioc_g_tuner,
- .vidioc_s_tuner = cx25821_vidioc_s_tuner,
- .vidioc_g_frequency = cx25821_vidioc_g_frequency,
- .vidioc_s_frequency = cx25821_vidioc_s_frequency,
-#endif
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
-struct video_device cx25821_videoioctl_template = {
- .name = "cx25821-videoioctl",
+static const struct video_device cx25821_video_device = {
+ .name = "cx25821-video",
.fops = &video_fops,
+ .release = video_device_release_empty,
+ .minor = -1,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
- .current_norm = V4L2_STD_NTSC_M,
};
+
+void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num)
+{
+ cx_clear(PCI_INT_MSK, 1);
+
+ if (video_is_registered(&dev->channels[chan_num].vdev)) {
+ video_unregister_device(&dev->channels[chan_num].vdev);
+ v4l2_ctrl_handler_free(&dev->channels[chan_num].hdl);
+
+ btcx_riscmem_free(dev->pci,
+ &dev->channels[chan_num].dma_vidq.stopper);
+ }
+}
+
+int cx25821_video_register(struct cx25821_dev *dev)
+{
+ int err;
+ int i;
+
+ /* initial device configuration */
+ dev->tvnorm = V4L2_STD_NTSC_M,
+ cx25821_set_tvnorm(dev, dev->tvnorm);
+
+ spin_lock_init(&dev->slock);
+
+ for (i = 0; i < VID_CHANNEL_NUM; ++i) {
+ struct cx25821_channel *chan = &dev->channels[i];
+ struct video_device *vdev = &chan->vdev;
+ struct v4l2_ctrl_handler *hdl = &chan->hdl;
+
+ if (i == SRAM_CH08) /* audio channel */
+ continue;
+
+ v4l2_ctrl_handler_init(hdl, 4);
+ v4l2_ctrl_new_std(hdl, &cx25821_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, 0, 10000, 1, 6200);
+ v4l2_ctrl_new_std(hdl, &cx25821_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, 10000, 1, 5000);
+ v4l2_ctrl_new_std(hdl, &cx25821_ctrl_ops,
+ V4L2_CID_SATURATION, 0, 10000, 1, 5000);
+ v4l2_ctrl_new_std(hdl, &cx25821_ctrl_ops,
+ V4L2_CID_HUE, 0, 10000, 1, 5000);
+ if (hdl->error) {
+ err = hdl->error;
+ goto fail_unreg;
+ }
+ err = v4l2_ctrl_handler_setup(hdl);
+ if (err)
+ goto fail_unreg;
+
+ cx25821_risc_stopper(dev->pci, &chan->dma_vidq.stopper,
+ chan->sram_channels->dma_ctl, 0x11, 0);
+
+ chan->sram_channels = &cx25821_sram_channels[i];
+ chan->width = 720;
+ if (dev->tvnorm & V4L2_STD_625_50)
+ chan->height = 576;
+ else
+ chan->height = 480;
+
+ if (chan->pixel_formats == PIXEL_FRMT_411)
+ chan->fmt = cx25821_format_by_fourcc(V4L2_PIX_FMT_Y41P);
+ else
+ chan->fmt = cx25821_format_by_fourcc(V4L2_PIX_FMT_YUYV);
+
+ cx_write(chan->sram_channels->int_stat, 0xffffffff);
+
+ INIT_LIST_HEAD(&chan->dma_vidq.active);
+ INIT_LIST_HEAD(&chan->dma_vidq.queued);
+
+ chan->timeout_data.dev = dev;
+ chan->timeout_data.channel = &cx25821_sram_channels[i];
+ chan->dma_vidq.timeout.function = cx25821_vid_timeout;
+ chan->dma_vidq.timeout.data = (unsigned long)&chan->timeout_data;
+ init_timer(&chan->dma_vidq.timeout);
+
+ videobuf_queue_sg_init(&chan->vidq, &cx25821_video_qops, &dev->pci->dev,
+ &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE,
+ V4L2_FIELD_INTERLACED, sizeof(struct cx25821_buffer),
+ chan, &dev->lock);
+
+ /* register v4l devices */
+ *vdev = cx25821_video_device;
+ vdev->v4l2_dev = &dev->v4l2_dev;
+ vdev->ctrl_handler = hdl;
+ vdev->lock = &dev->lock;
+ set_bit(V4L2_FL_USE_FH_PRIO, &vdev->flags);
+ snprintf(vdev->name, sizeof(vdev->name), "%s #%d", dev->name, i);
+ video_set_drvdata(vdev, chan);
+
+ err = video_register_device(vdev, VFL_TYPE_GRABBER,
+ video_nr[dev->nr]);
+
+ if (err < 0)
+ goto fail_unreg;
+ }
+
+ /* set PCI interrupt */
+ cx_set(PCI_INT_MSK, 0xff);
+
+ return 0;
+
+fail_unreg:
+ while (i >= 0)
+ cx25821_video_unregister(dev, i--);
+ return err;
+}
git.samba.org / sfrench / cifs-2.6.git / blobdiff