diff options
Diffstat (limited to 'drivers/media/pci/cx25821/cx25821-video.c')
| -rw-r--r-- | drivers/media/pci/cx25821/cx25821-video.c | 1822 |
1 files changed, 482 insertions, 1340 deletions
diff --git a/drivers/media/pci/cx25821/cx25821-video.c b/drivers/media/pci/cx25821/cx25821-video.c index d4de021dc84..d270819fd87 100644 --- a/drivers/media/pci/cx25821/cx25821-video.c +++ b/drivers/media/pci/cx25821/cx25821-video.c @@ -33,13 +33,10 @@ MODULE_AUTHOR("Hiep Huynh <hiep.huynh@conexant.com>"); 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); @@ -49,24 +46,14 @@ static unsigned int irq_debug; 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, @@ -76,36 +63,16 @@ struct cx25821_fmt formats[] = { .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; } @@ -144,129 +111,10 @@ void cx25821_video_wakeup(struct cx25821_dev *dev, struct cx25821_dmaqueue *q, 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) -{ - dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", - __func__, (unsigned int)norm, v4l2_norm_to_name(norm)); - - dev->tvnorm = norm; - - /* Tell the internal A/V decoder */ - cx25821_call_all(dev, core, s_std, 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) -{ - struct v4l2_routing route; - memset(&route, 0, sizeof(route)); - - dprintk(1, "%s(): video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", - __func__, input, INPUT(input)->vmux, INPUT(input)->gpio0, - INPUT(input)->gpio1, INPUT(input)->gpio2, INPUT(input)->gpio3); - dev->input = input; - - route.input = INPUT(input)->vmux; - - /* Tell the internal A/V decoder */ - cx25821_call_all(dev, video, s_routing, INPUT(input)->vmux, 0, 0); - - return 0; -} - 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; @@ -293,7 +141,7 @@ int cx25821_start_video_dma(struct cx25821_dev *dev, 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; @@ -346,8 +194,8 @@ static void cx25821_vid_timeout(unsigned long data) { 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; @@ -373,7 +221,7 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status) 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)) @@ -393,7 +241,7 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status) 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++; @@ -404,122 +252,19 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status) 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; @@ -530,35 +275,34 @@ int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count, 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; } @@ -575,34 +319,21 @@ int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, 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; } } @@ -645,8 +376,8 @@ int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, } 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; @@ -657,7 +388,7 @@ fail: 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 = @@ -666,33 +397,11 @@ void cx25821_buffer_release(struct videobuf_queue *q, cx25821_free_buffer(q, buf); } -struct videobuf_queue *get_queue(struct cx25821_fh *fh) +static int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma) { - switch (fh->type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: - return &fh->vidq; - default: - BUG(); - return NULL; - } -} + struct cx25821_channel *chan = video_drvdata(file); -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) -{ - struct cx25821_fh *fh = file->private_data; - - return videobuf_mmap_mapper(get_queue(fh), vma); + return videobuf_mmap_mapper(&chan->vidq, vma); } @@ -701,9 +410,9 @@ static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) 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); @@ -720,8 +429,7 @@ static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) } 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); @@ -762,1183 +470,487 @@ static struct videobuf_queue_ops cx25821_video_qops = { .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; + struct v4l2_fh *fh = file->private_data; + struct cx25821_channel *chan = video_drvdata(file); + struct cx25821_dev *dev = chan->dev; + int err = 0; - switch (fh->type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: - if (cx25821_res_locked(fh, RESOURCE_VIDEO0)) - return -EBUSY; - - 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); - - v4l2_prio_close(&dev->channels[fh->channel_id].prio, fh->prio); - file->private_data = NULL; - kfree(fh); + videobuf_mmap_free(&chan->vidq); + mutex_unlock(&dev->lock); - return 0; + return v4l2_fh_release(file); } -static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) -{ - struct cx25821_fh *fh = priv; - struct cx25821_dev *dev = fh->dev; +/* VIDEO IOCTLS */ - if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) +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 -EINVAL; - if (unlikely(i != fh->type)) - return -EINVAL; + strlcpy(f->description, formats[f->index].name, sizeof(f->description)); + f->pixelformat = formats[f->index].fourcc; - if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, - RESOURCE_VIDEO0)))) - return -EBUSY; + return 0; +} + +static int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct cx25821_channel *chan = video_drvdata(file); - return videobuf_streamon(get_queue(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_streamoff(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; - int err, res; + 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 maxh; + unsigned w; - if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - if (i != fh->type) + fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat); + if (NULL == fmt) return -EINVAL; + 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; - 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; } 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 v4l2_mbus_framefmt mbus_fmt; - int err; + struct cx25821_channel *chan = video_drvdata(file); + struct cx25821_dev *dev = chan->dev; int pix_format = PIXEL_FRMT_422; + int err; - 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; - - dev->channels[fh->channel_id].cif_width = fh->width; - medusa_set_resolution(dev, fh->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); + chan->use_cif_resolution = 0; + chan->cif_width = chan->width; + medusa_set_resolution(dev, chan->width, SRAM_CH00); return 0; } -static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) +static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) { - int ret_val = 0; - struct cx25821_fh *fh = priv; - struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + struct cx25821_channel *chan = video_drvdata(file); - ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); + if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; - p->sequence = dev->channels[fh->channel_id].vidq.count; + if (chan->streaming_fh && chan->streaming_fh != priv) + return -EBUSY; + chan->streaming_fh = priv; - return ret_val; + return videobuf_streamon(&chan->vidq); } -static int vidioc_log_status(struct file *file, void *priv) +static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) { - struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; - struct cx25821_fh *fh = priv; - char name[32 + 2]; + struct cx25821_channel *chan = video_drvdata(file); - struct sram_channel *sram_ch = dev->channels[fh->channel_id] - .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 (i != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; - if (fh) { - err = v4l2_prio_check(&dev->channels[fh->channel_id].prio, - fh->prio); - if (0 != err) - return err; - } + if (chan->streaming_fh && chan->streaming_fh != priv) + return -EBUSY; + if (chan->streaming_fh == NULL) + return 0; - return cx25821_set_control(dev, ctl, fh->channel_id); + chan->streaming_fh = NULL; + return videobuf_streamoff(&chan->vidq); } -/* VIDEO IOCTLS */ -int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) +static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) { - struct cx25821_fh *fh = priv; + int ret_val = 0; + struct cx25821_channel *chan = video_drvdata(file); - 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; + ret_val = videobuf_dqbuf(&chan->vidq, p, file->f_flags & O_NONBLOCK); + p->sequence = chan->dma_vidq.count; - return 0; + return ret_val; } -int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) +static int vidioc_log_status(struct file *file, void *priv) { - 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; + 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; + tmp = cx_read(sram_ch->dma_ctl); + pr_info("Video input 0 is %s\n", + (tmp & 0x11) ? "streaming" : "stopped"); 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 | V4L2_CAP_READWRITE; 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; - return 0; -} - -int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_fmtdesc *f) -{ - if (unlikely(f->index >= ARRAY_SIZE(formats))) - return -EINVAL; - - strlcpy(f->description, formats[f->index].name, sizeof(f->description)); - f->pixelformat = formats[f->index].fourcc; - + if (chan->id >= VID_CHANNEL_NUM) + cap->device_caps = cap_output; + else + cap->device_caps = cap_input; + cap->capabilities = cap_input | cap_output | V4L2_CAP_DEVICE_CAPS; 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; + struct cx25821_channel *chan = video_drvdata(file); - *p = v4l2_prio_max(&dev->channels[fh->channel_id].prio); - - 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) +static 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__); - - if (fh) { - err = v4l2_prio_check(&dev->channels[fh->channel_id].prio, - fh->prio); - if (0 != err) - return err; - } + struct cx25821_channel *chan = video_drvdata(file); + struct cx25821_dev *dev = chan->dev; - if (dev->tvnorm == *tvnorms) + if (dev->tvnorm == tvnorms) return 0; - mutex_lock(&dev->lock); - cx25821_set_tvnorm(dev, *tvnorms); - mutex_unlock(&dev->lock); + dev->tvnorm = 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", - }; - unsigned int n; - dprintk(1, "%s()\n", __func__); - - n = i->index; - if (n >= 2) - return -EINVAL; - - if (0 == INPUT(n)->type) + if (i->index) return -EINVAL; i->type = V4L2_INPUT_TYPE_CAMERA; - strcpy(i->name, iname[INPUT(n)->type]); - i->std = CX25821_NORMS; + strcpy(i->name, "Composite"); return 0; } -int cx25821_vidioc_enum_input(struct file *file, void *priv, - struct v4l2_input *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; - - *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) -{ - struct cx25821_fh *fh = priv; - struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; - int err; - - 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__); - 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; - - if (!v4l2_chip_match_host(®->match)) - return -EINVAL; - - cx25821_call_all(dev, core, g_register, reg); - - return 0; -} - -int cx25821_vidioc_s_register(struct file *file, void *fh, - struct v4l2_dbg_register *reg) +static int cx25821_vidioc_g_input(struct file *file, void *priv, unsigned int *i) { - struct cx25821_dev *dev = ((struct cx25821_fh *)fh)->dev; - - if (!v4l2_chip_match_host(®->match)) - return -EINVAL; - - cx25821_call_all(dev, core, s_register, reg); - + *i = 0; return 0; } -#endif - -#ifdef TUNER_FLAG -int cx25821_vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) +static int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i) { - struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->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; + return i ? -EINVAL : 0; } -int cx25821_vidioc_s_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_fh *fh = priv; - int err; - - if (fh) { - err = v4l2_prio_check(&dev->channels[fh->channel_id].prio, - fh->prio); - if (0 != err) - return err; - } + struct cx25821_channel *chan = + container_of(ctrl->handler, struct cx25821_channel, hdl); + struct cx25821_dev *dev = chan->dev; - 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; + return 0; } -int cx25821_vidioc_querystd(struct file *file, void *priv, v4l2_std_id * norm) +static int cx25821_vidioc_enum_output(struct file *file, void *priv, + struct v4l2_output *o) { - /* medusa does not support video standard sensing of current input */ - *norm = CX25821_NORMS; + if (o->index) + return -EINVAL; + o->type = V4L2_INPUT_TYPE_CAMERA; + o->std = CX25821_NORMS; + strcpy(o->name, "Composite"); return 0; } -int cx25821_is_valid_width(u32 width, v4l2_std_id tvnorm) +static int cx25821_vidioc_g_output(struct file *file, void *priv, unsigned int *o) { - 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; - } + *o = 0; return 0; } -int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm) +static int cx25821_vidioc_s_output(struct file *file, void *priv, unsigned int o) { - 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; + return o ? -EINVAL : 0; } -static long video_ioctl_upstream9(struct file *file, unsigned int cmd, - unsigned long arg) +static int cx25821_vidioc_try_fmt_vid_out(struct file *file, void *priv, + struct v4l2_format *f) { - struct cx25821_fh *fh = file->private_data; - struct cx25821_dev *dev = fh->dev; - int command = 0; - struct upstream_user_struct *data_from_user; - - data_from_user = (struct upstream_user_struct *)arg; - - if (!data_from_user) { - pr_err("%s(): Upstream data is INVALID. Returning\n", __func__); - return 0; - } - - command = data_from_user->command; - - if (command != UPSTREAM_START_VIDEO && command != UPSTREAM_STOP_VIDEO) - return 0; - - dev->input_filename = data_from_user->input_filename; - dev->input_audiofilename = data_from_user->input_filename; - dev->vid_stdname = data_from_user->vid_stdname; - dev->pixel_format = data_from_user->pixel_format; - dev->channel_select = data_from_user->channel_select; - dev->command = data_from_user->command; - - switch (command) { - case UPSTREAM_START_VIDEO: - cx25821_start_upstream_video_ch1(dev, data_from_user); - break; - - case UPSTREAM_STOP_VIDEO: - cx25821_stop_upstream_video_ch1(dev); - break; - } + struct cx25821_channel *chan = video_drvdata(file); + struct cx25821_dev *dev = chan->dev; + const struct cx25821_fmt *fmt; + fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat); + if (NULL == fmt) + return -EINVAL; + f->fmt.pix.width = 720; + f->fmt.pix.height = (dev->tvnorm & V4L2_STD_625_50) ? 576 : 480; + f->fmt.pix.field = V4L2_FIELD_INTERLACED; + 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 long video_ioctl_upstream10(struct file *file, unsigned int cmd, - unsigned long arg) +static int vidioc_s_fmt_vid_out(struct file *file, void *priv, + struct v4l2_format *f) { - struct cx25821_fh *fh = file->private_data; - struct cx25821_dev *dev = fh->dev; - int command = 0; - struct upstream_user_struct *data_from_user; - - data_from_user = (struct upstream_user_struct *)arg; - - if (!data_from_user) { - pr_err("%s(): Upstream data is INVALID. Returning\n", __func__); - return 0; - } - - command = data_from_user->command; - - if (command != UPSTREAM_START_VIDEO && command != UPSTREAM_STOP_VIDEO) - return 0; - - dev->input_filename_ch2 = data_from_user->input_filename; - dev->input_audiofilename = data_from_user->input_filename; - dev->vid_stdname_ch2 = data_from_user->vid_stdname; - dev->pixel_format_ch2 = data_from_user->pixel_format; - dev->channel_select_ch2 = data_from_user->channel_select; - dev->command_ch2 = data_from_user->command; + struct cx25821_channel *chan = video_drvdata(file); + int err; - switch (command) { - case UPSTREAM_START_VIDEO: - cx25821_start_upstream_video_ch2(dev, data_from_user); - break; + err = cx25821_vidioc_try_fmt_vid_out(file, priv, f); - case UPSTREAM_STOP_VIDEO: - cx25821_stop_upstream_video_ch2(dev); - break; - } + if (0 != err) + return err; + 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) + chan->pixel_formats = PIXEL_FRMT_411; + else + chan->pixel_formats = PIXEL_FRMT_422; return 0; } -static long video_ioctl_upstream11(struct file *file, unsigned int cmd, - unsigned long arg) +static ssize_t video_write(struct file *file, const char __user *data, size_t count, + loff_t *ppos) { - struct cx25821_fh *fh = file->private_data; - struct cx25821_dev *dev = fh->dev; - int command = 0; - struct upstream_user_struct *data_from_user; + struct cx25821_channel *chan = video_drvdata(file); + struct cx25821_dev *dev = chan->dev; + struct v4l2_fh *fh = file->private_data; + int err = 0; - data_from_user = (struct upstream_user_struct *)arg; - - if (!data_from_user) { - pr_err("%s(): Upstream data is INVALID. Returning\n", __func__); - return 0; + if (mutex_lock_interruptible(&dev->lock)) + return -ERESTARTSYS; + if (chan->streaming_fh && chan->streaming_fh != fh) { + err = -EBUSY; + goto unlock; } - - command = data_from_user->command; - - if (command != UPSTREAM_START_AUDIO && command != UPSTREAM_STOP_AUDIO) - return 0; - - dev->input_filename = data_from_user->input_filename; - dev->input_audiofilename = data_from_user->input_filename; - dev->vid_stdname = data_from_user->vid_stdname; - dev->pixel_format = data_from_user->pixel_format; - dev->channel_select = data_from_user->channel_select; - dev->command = data_from_user->command; - - switch (command) { - case UPSTREAM_START_AUDIO: - cx25821_start_upstream_audio(dev, data_from_user); - break; - - case UPSTREAM_STOP_AUDIO: - cx25821_stop_upstream_audio(dev); - break; + if (!chan->streaming_fh) { + err = cx25821_vidupstream_init(chan, chan->pixel_formats); + if (err) + goto unlock; + chan->streaming_fh = fh; } - return 0; + err = cx25821_write_frame(chan, data, count); + count -= err; + *ppos += err; + +unlock: + mutex_unlock(&dev->lock); + return err; } -static long video_ioctl_set(struct file *file, unsigned int cmd, - unsigned long arg) +static int video_out_release(struct file *file) { - 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; - } + struct cx25821_channel *chan = video_drvdata(file); + struct cx25821_dev *dev = chan->dev; + struct v4l2_fh *fh = file->private_data; - 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; + mutex_lock(&dev->lock); + if (chan->streaming_fh == fh) { + cx25821_stop_upstream_video(chan); + chan->streaming_fh = NULL; } + mutex_unlock(&dev->lock); - return 0; + return v4l2_fh_release(file); } -static long cx25821_video_ioctl(struct file *file, - unsigned int cmd, unsigned long arg) -{ - int ret = 0; - - struct cx25821_fh *fh = file->private_data; - - /* 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; - } - - return video_ioctl2(file, cmd, arg); -} +static const struct v4l2_ctrl_ops cx25821_ctrl_ops = { + .s_ctrl = cx25821_s_ctrl, +}; -/* exported stuff */ 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 = video_ioctl2, }; static const struct v4l2_ioctl_ops video_ioctl_ops = { @@ -1951,40 +963,170 @@ 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 -#ifdef CONFIG_VIDEO_ADV_DEBUG - .vidioc_g_register = cx25821_vidioc_g_register, - .vidioc_s_register = cx25821_vidioc_s_register, -#endif + .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; -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, }; + +static const struct v4l2_file_operations video_out_fops = { + .owner = THIS_MODULE, + .open = v4l2_fh_open, + .write = video_write, + .release = video_out_release, + .unlocked_ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops video_out_ioctl_ops = { + .vidioc_querycap = cx25821_vidioc_querycap, + .vidioc_enum_fmt_vid_out = cx25821_vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_out = cx25821_vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_out = cx25821_vidioc_try_fmt_vid_out, + .vidioc_s_fmt_vid_out = vidioc_s_fmt_vid_out, + .vidioc_g_std = cx25821_vidioc_g_std, + .vidioc_s_std = cx25821_vidioc_s_std, + .vidioc_enum_output = cx25821_vidioc_enum_output, + .vidioc_g_output = cx25821_vidioc_g_output, + .vidioc_s_output = cx25821_vidioc_s_output, + .vidioc_log_status = vidioc_log_status, +}; + +static const struct video_device cx25821_video_out_device = { + .name = "cx25821-video", + .fops = &video_out_fops, + .release = video_device_release_empty, + .minor = -1, + .ioctl_ops = &video_out_ioctl_ops, + .tvnorms = CX25821_NORMS, +}; + +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; + + spin_lock_init(&dev->slock); + + for (i = 0; i < MAX_VID_CHANNEL_NUM - 1; ++i) { + struct cx25821_channel *chan = &dev->channels[i]; + struct video_device *vdev = &chan->vdev; + struct v4l2_ctrl_handler *hdl = &chan->hdl; + bool is_output = i > SRAM_CH08; + + if (i == SRAM_CH08) /* audio channel */ + continue; + + if (!is_output) { + 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; + } else { + chan->out = &dev->vid_out_data[i - SRAM_CH09]; + chan->out->chan = chan; + } + + 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); + + if (!is_output) + 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 = is_output ? cx25821_video_out_device : cx25821_video_device; + vdev->v4l2_dev = &dev->v4l2_dev; + if (!is_output) + vdev->ctrl_handler = hdl; + else + vdev->vfl_dir = VFL_DIR_TX; + 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; +} |