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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-14 15:13:30 (GMT) |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-15 19:36:22 (GMT) |
commit | b285192a43f0432d82c2c10974204e78af0da596 (patch) | |
tree | 618aa87e760c9c949eca9e4df6ae0eeffa11dcfc /drivers/media/video/cx88/cx88-vbi.c | |
parent | 68de959f773a1d49096835c411390bceff5d1549 (diff) | |
download | linux-b285192a43f0432d82c2c10974204e78af0da596.tar.xz |
[media] rename most media/video pci drivers to media/pci
Rename all PCI drivers with their own directory under
drivers/media/video into drivers/media/pci and update the
building system.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx88/cx88-vbi.c')
-rw-r--r-- | drivers/media/video/cx88/cx88-vbi.c | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/drivers/media/video/cx88/cx88-vbi.c b/drivers/media/video/cx88/cx88-vbi.c deleted file mode 100644 index f8f8389..0000000 --- a/drivers/media/video/cx88/cx88-vbi.c +++ /dev/null @@ -1,245 +0,0 @@ -/* - */ -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> - -#include "cx88.h" - -static unsigned int vbibufs = 4; -module_param(vbibufs,int,0644); -MODULE_PARM_DESC(vbibufs,"number of vbi buffers, range 2-32"); - -static unsigned int vbi_debug; -module_param(vbi_debug,int,0644); -MODULE_PARM_DESC(vbi_debug,"enable debug messages [vbi]"); - -#define dprintk(level,fmt, arg...) if (vbi_debug >= level) \ - printk(KERN_DEBUG "%s: " fmt, dev->core->name , ## arg) - -/* ------------------------------------------------------------------ */ - -int cx8800_vbi_fmt (struct file *file, void *priv, - struct v4l2_format *f) -{ - struct cx8800_fh *fh = priv; - struct cx8800_dev *dev = fh->dev; - - f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH; - f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; - f->fmt.vbi.offset = 244; - f->fmt.vbi.count[0] = VBI_LINE_COUNT; - f->fmt.vbi.count[1] = VBI_LINE_COUNT; - - if (dev->core->tvnorm & V4L2_STD_525_60) { - /* ntsc */ - f->fmt.vbi.sampling_rate = 28636363; - f->fmt.vbi.start[0] = 10; - f->fmt.vbi.start[1] = 273; - - } else if (dev->core->tvnorm & V4L2_STD_625_50) { - /* pal */ - f->fmt.vbi.sampling_rate = 35468950; - f->fmt.vbi.start[0] = 7 -1; - f->fmt.vbi.start[1] = 319 -1; - } - return 0; -} - -static int cx8800_start_vbi_dma(struct cx8800_dev *dev, - struct cx88_dmaqueue *q, - struct cx88_buffer *buf) -{ - struct cx88_core *core = dev->core; - - /* setup fifo + format */ - cx88_sram_channel_setup(dev->core, &cx88_sram_channels[SRAM_CH24], - buf->vb.width, buf->risc.dma); - - cx_write(MO_VBOS_CONTROL, ( (1 << 18) | // comb filter delay fixup - (1 << 15) | // enable vbi capture - (1 << 11) )); - - /* reset counter */ - cx_write(MO_VBI_GPCNTRL, GP_COUNT_CONTROL_RESET); - q->count = 1; - - /* enable irqs */ - cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT); - cx_set(MO_VID_INTMSK, 0x0f0088); - - /* enable capture */ - cx_set(VID_CAPTURE_CONTROL,0x18); - - /* start dma */ - cx_set(MO_DEV_CNTRL2, (1<<5)); - cx_set(MO_VID_DMACNTRL, 0x88); - - return 0; -} - -int cx8800_stop_vbi_dma(struct cx8800_dev *dev) -{ - struct cx88_core *core = dev->core; - - /* stop dma */ - cx_clear(MO_VID_DMACNTRL, 0x88); - - /* disable capture */ - cx_clear(VID_CAPTURE_CONTROL,0x18); - - /* disable irqs */ - cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT); - cx_clear(MO_VID_INTMSK, 0x0f0088); - return 0; -} - -int cx8800_restart_vbi_queue(struct cx8800_dev *dev, - struct cx88_dmaqueue *q) -{ - struct cx88_buffer *buf; - - if (list_empty(&q->active)) - return 0; - - buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); - dprintk(2,"restart_queue [%p/%d]: restart dma\n", - buf, buf->vb.i); - cx8800_start_vbi_dma(dev, q, buf); - list_for_each_entry(buf, &q->active, vb.queue) - buf->count = q->count++; - mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); - return 0; -} - -void cx8800_vbi_timeout(unsigned long data) -{ - struct cx8800_dev *dev = (struct cx8800_dev*)data; - struct cx88_core *core = dev->core; - struct cx88_dmaqueue *q = &dev->vbiq; - struct cx88_buffer *buf; - unsigned long flags; - - cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH24]); - - cx_clear(MO_VID_DMACNTRL, 0x88); - cx_clear(VID_CAPTURE_CONTROL, 0x18); - - spin_lock_irqsave(&dev->slock,flags); - while (!list_empty(&q->active)) { - buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); - list_del(&buf->vb.queue); - buf->vb.state = VIDEOBUF_ERROR; - wake_up(&buf->vb.done); - printk("%s/0: [%p/%d] timeout - dma=0x%08lx\n", dev->core->name, - buf, buf->vb.i, (unsigned long)buf->risc.dma); - } - cx8800_restart_vbi_queue(dev,q); - spin_unlock_irqrestore(&dev->slock,flags); -} - -/* ------------------------------------------------------------------ */ - -static int -vbi_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) -{ - *size = VBI_LINE_COUNT * VBI_LINE_LENGTH * 2; - if (0 == *count) - *count = vbibufs; - if (*count < 2) - *count = 2; - if (*count > 32) - *count = 32; - return 0; -} - -static int -vbi_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, - enum v4l2_field field) -{ - struct cx8800_fh *fh = q->priv_data; - struct cx8800_dev *dev = fh->dev; - struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); - unsigned int size; - int rc; - - size = VBI_LINE_COUNT * VBI_LINE_LENGTH * 2; - if (0 != buf->vb.baddr && buf->vb.bsize < size) - return -EINVAL; - - if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { - struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); - buf->vb.width = VBI_LINE_LENGTH; - buf->vb.height = VBI_LINE_COUNT; - buf->vb.size = size; - buf->vb.field = V4L2_FIELD_SEQ_TB; - - if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL))) - goto fail; - cx88_risc_buffer(dev->pci, &buf->risc, - dma->sglist, - 0, buf->vb.width * buf->vb.height, - buf->vb.width, 0, - buf->vb.height); - } - buf->vb.state = VIDEOBUF_PREPARED; - return 0; - - fail: - cx88_free_buffer(q,buf); - return rc; -} - -static void -vbi_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) -{ - struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); - struct cx88_buffer *prev; - struct cx8800_fh *fh = vq->priv_data; - struct cx8800_dev *dev = fh->dev; - struct cx88_dmaqueue *q = &dev->vbiq; - - /* add jump to stopper */ - buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); - buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); - - if (list_empty(&q->active)) { - list_add_tail(&buf->vb.queue,&q->active); - cx8800_start_vbi_dma(dev, q, buf); - buf->vb.state = VIDEOBUF_ACTIVE; - buf->count = q->count++; - mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); - dprintk(2,"[%p/%d] vbi_queue - first active\n", - buf, buf->vb.i); - - } else { - prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue); - list_add_tail(&buf->vb.queue,&q->active); - buf->vb.state = VIDEOBUF_ACTIVE; - buf->count = q->count++; - prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); - dprintk(2,"[%p/%d] buffer_queue - append to active\n", - buf, buf->vb.i); - } -} - -static void vbi_release(struct videobuf_queue *q, struct videobuf_buffer *vb) -{ - struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); - - cx88_free_buffer(q,buf); -} - -const struct videobuf_queue_ops cx8800_vbi_qops = { - .buf_setup = vbi_setup, - .buf_prepare = vbi_prepare, - .buf_queue = vbi_queue, - .buf_release = vbi_release, -}; - -/* ------------------------------------------------------------------ */ -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ |