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path: root/drivers/media/video/cx88/cx88-vbi.c
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Diffstat (limited to 'drivers/media/video/cx88/cx88-vbi.c')
-rw-r--r--drivers/media/video/cx88/cx88-vbi.c245
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 f8f8389c0362..000000000000
--- 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:
- */
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-03 03:15:36 +0300