[media] saa7146: Move it to its own directory

In order to better organize the directory tree, move the
saa7146 common driver to its own directory.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 498 deletions

diff --git a/drivers/media/common/saa7146_vbi.c b/drivers/media/common/saa7146_vbi.c
deleted file mode 100644
index 1e71e374bbfe..000000000000
--- a/drivers/media/common/saa7146_vbi.c
+++ /dev/null
@@ -1,498 +0,0 @@
-#include <media/saa7146_vv.h>
-
-static int vbi_pixel_to_capture = 720 * 2;
-
-static int vbi_workaround(struct saa7146_dev *dev)
-{
-	struct saa7146_vv *vv = dev->vv_data;
-
-	u32          *cpu;
-	dma_addr_t   dma_addr;
-
-	int count = 0;
-	int i;
-
-	DECLARE_WAITQUEUE(wait, current);
-
-	DEB_VBI("dev:%p\n", dev);
-
-	/* once again, a bug in the saa7146: the brs acquisition
-	   is buggy and especially the BXO-counter does not work
-	   as specified. there is this workaround, but please
-	   don't let me explain it. ;-) */
-
-	cpu = pci_alloc_consistent(dev->pci, 4096, &dma_addr);
-	if (NULL == cpu)
-		return -ENOMEM;
-
-	/* setup some basic programming, just for the workaround */
-	saa7146_write(dev, BASE_EVEN3,	dma_addr);
-	saa7146_write(dev, BASE_ODD3,	dma_addr+vbi_pixel_to_capture);
-	saa7146_write(dev, PROT_ADDR3,	dma_addr+4096);
-	saa7146_write(dev, PITCH3,	vbi_pixel_to_capture);
-	saa7146_write(dev, BASE_PAGE3,	0x0);
-	saa7146_write(dev, NUM_LINE_BYTE3, (2<<16)|((vbi_pixel_to_capture)<<0));
-	saa7146_write(dev, MC2, MASK_04|MASK_20);
-
-	/* load brs-control register */
-	WRITE_RPS1(CMD_WR_REG | (1 << 8) | (BRS_CTRL/4));
-	/* BXO = 1h, BRS to outbound */
-	WRITE_RPS1(0xc000008c);
-	/* wait for vbi_a or vbi_b*/
-	if ( 0 != (SAA7146_USE_PORT_B_FOR_VBI & dev->ext_vv_data->flags)) {
-		DEB_D("...using port b\n");
-		WRITE_RPS1(CMD_PAUSE | CMD_OAN | CMD_SIG1 | CMD_E_FID_B);
-		WRITE_RPS1(CMD_PAUSE | CMD_OAN | CMD_SIG1 | CMD_O_FID_B);
-/*
-		WRITE_RPS1(CMD_PAUSE | MASK_09);
-*/
-	} else {
-		DEB_D("...using port a\n");
-		WRITE_RPS1(CMD_PAUSE | MASK_10);
-	}
-	/* upload brs */
-	WRITE_RPS1(CMD_UPLOAD | MASK_08);
-	/* load brs-control register */
-	WRITE_RPS1(CMD_WR_REG | (1 << 8) | (BRS_CTRL/4));
-	/* BYO = 1, BXO = NQBIL (=1728 for PAL, for NTSC this is 858*2) - NumByte3 (=1440) = 288 */
-	WRITE_RPS1(((1728-(vbi_pixel_to_capture)) << 7) | MASK_19);
-	/* wait for brs_done */
-	WRITE_RPS1(CMD_PAUSE | MASK_08);
-	/* upload brs */
-	WRITE_RPS1(CMD_UPLOAD | MASK_08);
-	/* load video-dma3 NumLines3 and NumBytes3 */
-	WRITE_RPS1(CMD_WR_REG | (1 << 8) | (NUM_LINE_BYTE3/4));
-	/* dev->vbi_count*2 lines, 720 pixel (= 1440 Bytes) */
-	WRITE_RPS1((2 << 16) | (vbi_pixel_to_capture));
-	/* load brs-control register */
-	WRITE_RPS1(CMD_WR_REG | (1 << 8) | (BRS_CTRL/4));
-	/* Set BRS right: note: this is an experimental value for BXO (=> PAL!) */
-	WRITE_RPS1((540 << 7) | (5 << 19));  // 5 == vbi_start
-	/* wait for brs_done */
-	WRITE_RPS1(CMD_PAUSE | MASK_08);
-	/* upload brs and video-dma3*/
-	WRITE_RPS1(CMD_UPLOAD | MASK_08 | MASK_04);
-	/* load mc2 register: enable dma3 */
-	WRITE_RPS1(CMD_WR_REG | (1 << 8) | (MC1/4));
-	WRITE_RPS1(MASK_20 | MASK_04);
-	/* generate interrupt */
-	WRITE_RPS1(CMD_INTERRUPT);
-	/* stop rps1 */
-	WRITE_RPS1(CMD_STOP);
-
-	/* we have to do the workaround twice to be sure that
-	   everything is ok */
-	for(i = 0; i < 2; i++) {
-
-		/* indicate to the irq handler that we do the workaround */
-		saa7146_write(dev, MC2, MASK_31|MASK_15);
-
-		saa7146_write(dev, NUM_LINE_BYTE3, (1<<16)|(2<<0));
-		saa7146_write(dev, MC2, MASK_04|MASK_20);
-
-		/* enable rps1 irqs */
-		SAA7146_IER_ENABLE(dev,MASK_28);
-
-		/* prepare to wait to be woken up by the irq-handler */
-		add_wait_queue(&vv->vbi_wq, &wait);
-		current->state = TASK_INTERRUPTIBLE;
-
-		/* start rps1 to enable workaround */
-		saa7146_write(dev, RPS_ADDR1, dev->d_rps1.dma_handle);
-		saa7146_write(dev, MC1, (MASK_13 | MASK_29));
-
-		schedule();
-
-		DEB_VBI("brs bug workaround %d/1\n", i);
-
-		remove_wait_queue(&vv->vbi_wq, &wait);
-		current->state = TASK_RUNNING;
-
-		/* disable rps1 irqs */
-		SAA7146_IER_DISABLE(dev,MASK_28);
-
-		/* stop video-dma3 */
-		saa7146_write(dev, MC1, MASK_20);
-
-		if(signal_pending(current)) {
-
-			DEB_VBI("aborted (rps:0x%08x)\n",
-				saa7146_read(dev, RPS_ADDR1));
-
-			/* stop rps1 for sure */
-			saa7146_write(dev, MC1, MASK_29);
-
-			pci_free_consistent(dev->pci, 4096, cpu, dma_addr);
-			return -EINTR;
-		}
-	}
-
-	pci_free_consistent(dev->pci, 4096, cpu, dma_addr);
-	return 0;
-}
-
-static void saa7146_set_vbi_capture(struct saa7146_dev *dev, struct saa7146_buf *buf, struct saa7146_buf *next)
-{
-	struct saa7146_vv *vv = dev->vv_data;
-
-	struct saa7146_video_dma vdma3;
-
-	int count = 0;
-	unsigned long e_wait = vv->current_hps_sync == SAA7146_HPS_SYNC_PORT_A ? CMD_E_FID_A : CMD_E_FID_B;
-	unsigned long o_wait = vv->current_hps_sync == SAA7146_HPS_SYNC_PORT_A ? CMD_O_FID_A : CMD_O_FID_B;
-
-/*
-	vdma3.base_even	= 0xc8000000+2560*70;
-	vdma3.base_odd	= 0xc8000000;
-	vdma3.prot_addr	= 0xc8000000+2560*164;
-	vdma3.pitch	= 2560;
-	vdma3.base_page	= 0;
-	vdma3.num_line_byte = (64<<16)|((vbi_pixel_to_capture)<<0); // set above!
-*/
-	vdma3.base_even	= buf->pt[2].offset;
-	vdma3.base_odd	= buf->pt[2].offset + 16 * vbi_pixel_to_capture;
-	vdma3.prot_addr	= buf->pt[2].offset + 16 * 2 * vbi_pixel_to_capture;
-	vdma3.pitch	= vbi_pixel_to_capture;
-	vdma3.base_page	= buf->pt[2].dma | ME1;
-	vdma3.num_line_byte = (16 << 16) | vbi_pixel_to_capture;
-
-	saa7146_write_out_dma(dev, 3, &vdma3);
-
-	/* write beginning of rps-program */
-	count = 0;
-
-	/* wait for o_fid_a/b / e_fid_a/b toggle only if bit 1 is not set */
-
-	/* we don't wait here for the first field anymore. this is different from the video
-	   capture and might cause that the first buffer is only half filled (with only
-	   one field). but since this is some sort of streaming data, this is not that negative.
-	   but by doing this, we can use the whole engine from videobuf-dma-sg.c... */
-
-/*
-	WRITE_RPS1(CMD_PAUSE | CMD_OAN | CMD_SIG1 | e_wait);
-	WRITE_RPS1(CMD_PAUSE | CMD_OAN | CMD_SIG1 | o_wait);
-*/
-	/* set bit 1 */
-	WRITE_RPS1(CMD_WR_REG | (1 << 8) | (MC2/4));
-	WRITE_RPS1(MASK_28 | MASK_12);
-
-	/* turn on video-dma3 */
-	WRITE_RPS1(CMD_WR_REG_MASK | (MC1/4));
-	WRITE_RPS1(MASK_04 | MASK_20);			/* => mask */
-	WRITE_RPS1(MASK_04 | MASK_20);			/* => values */
-
-	/* wait for o_fid_a/b / e_fid_a/b toggle */
-	WRITE_RPS1(CMD_PAUSE | o_wait);
-	WRITE_RPS1(CMD_PAUSE | e_wait);
-
-	/* generate interrupt */
-	WRITE_RPS1(CMD_INTERRUPT);
-
-	/* stop */
-	WRITE_RPS1(CMD_STOP);
-
-	/* enable rps1 irqs */
-	SAA7146_IER_ENABLE(dev, MASK_28);
-
-	/* write the address of the rps-program */
-	saa7146_write(dev, RPS_ADDR1, dev->d_rps1.dma_handle);
-
-	/* turn on rps */
-	saa7146_write(dev, MC1, (MASK_13 | MASK_29));
-}
-
-static int buffer_activate(struct saa7146_dev *dev,
-			   struct saa7146_buf *buf,
-			   struct saa7146_buf *next)
-{
-	struct saa7146_vv *vv = dev->vv_data;
-	buf->vb.state = VIDEOBUF_ACTIVE;
-
-	DEB_VBI("dev:%p, buf:%p, next:%p\n", dev, buf, next);
-	saa7146_set_vbi_capture(dev,buf,next);
-
-	mod_timer(&vv->vbi_dmaq.timeout, jiffies+BUFFER_TIMEOUT);
-	return 0;
-}
-
-static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,enum v4l2_field field)
-{
-	struct file *file = q->priv_data;
-	struct saa7146_fh *fh = file->private_data;
-	struct saa7146_dev *dev = fh->dev;
-	struct saa7146_buf *buf = (struct saa7146_buf *)vb;
-
-	int err = 0;
-	int lines, llength, size;
-
-	lines   = 16 * 2 ; /* 2 fields */
-	llength = vbi_pixel_to_capture;
-	size = lines * llength;
-
-	DEB_VBI("vb:%p\n", vb);
-
-	if (0 != buf->vb.baddr  &&  buf->vb.bsize < size) {
-		DEB_VBI("size mismatch\n");
-		return -EINVAL;
-	}
-
-	if (buf->vb.size != size)
-		saa7146_dma_free(dev,q,buf);
-
-	if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
-		struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
-
-		buf->vb.width  = llength;
-		buf->vb.height = lines;
-		buf->vb.size   = size;
-		buf->vb.field  = field;	// FIXME: check this
-
-		saa7146_pgtable_free(dev->pci, &buf->pt[2]);
-		saa7146_pgtable_alloc(dev->pci, &buf->pt[2]);
-
-		err = videobuf_iolock(q,&buf->vb, NULL);
-		if (err)
-			goto oops;
-		err = saa7146_pgtable_build_single(dev->pci, &buf->pt[2],
-						 dma->sglist, dma->sglen);
-		if (0 != err)
-			return err;
-	}
-	buf->vb.state = VIDEOBUF_PREPARED;
-	buf->activate = buffer_activate;
-
-	return 0;
-
- oops:
-	DEB_VBI("error out\n");
-	saa7146_dma_free(dev,q,buf);
-
-	return err;
-}
-
-static int buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
-{
-	int llength,lines;
-
-	lines   = 16 * 2 ; /* 2 fields */
-	llength = vbi_pixel_to_capture;
-
-	*size = lines * llength;
-	*count = 2;
-
-	DEB_VBI("count:%d, size:%d\n", *count, *size);
-
-	return 0;
-}
-
-static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
-{
-	struct file *file = q->priv_data;
-	struct saa7146_fh *fh = file->private_data;
-	struct saa7146_dev *dev = fh->dev;
-	struct saa7146_vv *vv = dev->vv_data;
-	struct saa7146_buf *buf = (struct saa7146_buf *)vb;
-
-	DEB_VBI("vb:%p\n", vb);
-	saa7146_buffer_queue(dev, &vv->vbi_dmaq, buf);
-}
-
-static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
-{
-	struct file *file = q->priv_data;
-	struct saa7146_fh *fh   = file->private_data;
-	struct saa7146_dev *dev = fh->dev;
-	struct saa7146_buf *buf = (struct saa7146_buf *)vb;
-
-	DEB_VBI("vb:%p\n", vb);
-	saa7146_dma_free(dev,q,buf);
-}
-
-static struct videobuf_queue_ops vbi_qops = {
-	.buf_setup    = buffer_setup,
-	.buf_prepare  = buffer_prepare,
-	.buf_queue    = buffer_queue,
-	.buf_release  = buffer_release,
-};
-
-/* ------------------------------------------------------------------ */
-
-static void vbi_stop(struct saa7146_fh *fh, struct file *file)
-{
-	struct saa7146_dev *dev = fh->dev;
-	struct saa7146_vv *vv = dev->vv_data;
-	unsigned long flags;
-	DEB_VBI("dev:%p, fh:%p\n", dev, fh);
-
-	spin_lock_irqsave(&dev->slock,flags);
-
-	/* disable rps1  */
-	saa7146_write(dev, MC1, MASK_29);
-
-	/* disable rps1 irqs */
-	SAA7146_IER_DISABLE(dev, MASK_28);
-
-	/* shut down dma 3 transfers */
-	saa7146_write(dev, MC1, MASK_20);
-
-	if (vv->vbi_dmaq.curr)
-		saa7146_buffer_finish(dev, &vv->vbi_dmaq, VIDEOBUF_DONE);
-
-	videobuf_queue_cancel(&fh->vbi_q);
-
-	vv->vbi_streaming = NULL;
-
-	del_timer(&vv->vbi_dmaq.timeout);
-	del_timer(&vv->vbi_read_timeout);
-
-	spin_unlock_irqrestore(&dev->slock, flags);
-}
-
-static void vbi_read_timeout(unsigned long data)
-{
-	struct file *file = (struct file*)data;
-	struct saa7146_fh *fh = file->private_data;
-	struct saa7146_dev *dev = fh->dev;
-
-	DEB_VBI("dev:%p, fh:%p\n", dev, fh);
-
-	vbi_stop(fh, file);
-}
-
-static void vbi_init(struct saa7146_dev *dev, struct saa7146_vv *vv)
-{
-	DEB_VBI("dev:%p\n", dev);
-
-	INIT_LIST_HEAD(&vv->vbi_dmaq.queue);
-
-	init_timer(&vv->vbi_dmaq.timeout);
-	vv->vbi_dmaq.timeout.function = saa7146_buffer_timeout;
-	vv->vbi_dmaq.timeout.data     = (unsigned long)(&vv->vbi_dmaq);
-	vv->vbi_dmaq.dev              = dev;
-
-	init_waitqueue_head(&vv->vbi_wq);
-}
-
-static int vbi_open(struct saa7146_dev *dev, struct file *file)
-{
-	struct saa7146_fh *fh = file->private_data;
-	struct saa7146_vv *vv = fh->dev->vv_data;
-
-	u32 arbtr_ctrl	= saa7146_read(dev, PCI_BT_V1);
-	int ret = 0;
-
-	DEB_VBI("dev:%p, fh:%p\n", dev, fh);
-
-	ret = saa7146_res_get(fh, RESOURCE_DMA3_BRS);
-	if (0 == ret) {
-		DEB_S("cannot get vbi RESOURCE_DMA3_BRS resource\n");
-		return -EBUSY;
-	}
-
-	/* adjust arbitrition control for video dma 3 */
-	arbtr_ctrl &= ~0x1f0000;
-	arbtr_ctrl |=  0x1d0000;
-	saa7146_write(dev, PCI_BT_V1, arbtr_ctrl);
-	saa7146_write(dev, MC2, (MASK_04|MASK_20));
-
-	videobuf_queue_sg_init(&fh->vbi_q, &vbi_qops,
-			    &dev->pci->dev, &dev->slock,
-			    V4L2_BUF_TYPE_VBI_CAPTURE,
-			    V4L2_FIELD_SEQ_TB, // FIXME: does this really work?
-			    sizeof(struct saa7146_buf),
-			    file, &dev->v4l2_lock);
-
-	vv->vbi_read_timeout.function = vbi_read_timeout;
-	vv->vbi_read_timeout.data = (unsigned long)file;
-
-	/* initialize the brs */
-	if ( 0 != (SAA7146_USE_PORT_B_FOR_VBI & dev->ext_vv_data->flags)) {
-		saa7146_write(dev, BRS_CTRL, MASK_30|MASK_29 | (7 << 19));
-	} else {
-		saa7146_write(dev, BRS_CTRL, 0x00000001);
-
-		if (0 != (ret = vbi_workaround(dev))) {
-			DEB_VBI("vbi workaround failed!\n");
-			/* return ret;*/
-		}
-	}
-
-	/* upload brs register */
-	saa7146_write(dev, MC2, (MASK_08|MASK_24));
-	return 0;
-}
-
-static void vbi_close(struct saa7146_dev *dev, struct file *file)
-{
-	struct saa7146_fh *fh = file->private_data;
-	struct saa7146_vv *vv = dev->vv_data;
-	DEB_VBI("dev:%p, fh:%p\n", dev, fh);
-
-	if( fh == vv->vbi_streaming ) {
-		vbi_stop(fh, file);
-	}
-	saa7146_res_free(fh, RESOURCE_DMA3_BRS);
-}
-
-static void vbi_irq_done(struct saa7146_dev *dev, unsigned long status)
-{
-	struct saa7146_vv *vv = dev->vv_data;
-	spin_lock(&dev->slock);
-
-	if (vv->vbi_dmaq.curr) {
-		DEB_VBI("dev:%p, curr:%p\n", dev, vv->vbi_dmaq.curr);
-		/* this must be += 2, one count for each field */
-		vv->vbi_fieldcount+=2;
-		vv->vbi_dmaq.curr->vb.field_count = vv->vbi_fieldcount;
-		saa7146_buffer_finish(dev, &vv->vbi_dmaq, VIDEOBUF_DONE);
-	} else {
-		DEB_VBI("dev:%p\n", dev);
-	}
-	saa7146_buffer_next(dev, &vv->vbi_dmaq, 1);
-
-	spin_unlock(&dev->slock);
-}
-
-static ssize_t vbi_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
-{
-	struct saa7146_fh *fh = file->private_data;
-	struct saa7146_dev *dev = fh->dev;
-	struct saa7146_vv *vv = dev->vv_data;
-	ssize_t ret = 0;
-
-	DEB_VBI("dev:%p, fh:%p\n", dev, fh);
-
-	if( NULL == vv->vbi_streaming ) {
-		// fixme: check if dma3 is available
-		// fixme: activate vbi engine here if necessary. (really?)
-		vv->vbi_streaming = fh;
-	}
-
-	if( fh != vv->vbi_streaming ) {
-		DEB_VBI("open %p is already using vbi capture\n",
-			vv->vbi_streaming);
-		return -EBUSY;
-	}
-
-	mod_timer(&vv->vbi_read_timeout, jiffies+BUFFER_TIMEOUT);
-	ret = videobuf_read_stream(&fh->vbi_q, data, count, ppos, 1,
-				   file->f_flags & O_NONBLOCK);
-/*
-	printk("BASE_ODD3:      0x%08x\n", saa7146_read(dev, BASE_ODD3));
-	printk("BASE_EVEN3:     0x%08x\n", saa7146_read(dev, BASE_EVEN3));
-	printk("PROT_ADDR3:     0x%08x\n", saa7146_read(dev, PROT_ADDR3));
-	printk("PITCH3:         0x%08x\n", saa7146_read(dev, PITCH3));
-	printk("BASE_PAGE3:     0x%08x\n", saa7146_read(dev, BASE_PAGE3));
-	printk("NUM_LINE_BYTE3: 0x%08x\n", saa7146_read(dev, NUM_LINE_BYTE3));
-	printk("BRS_CTRL:       0x%08x\n", saa7146_read(dev, BRS_CTRL));
-*/
-	return ret;
-}
-
-struct saa7146_use_ops saa7146_vbi_uops = {
-	.init		= vbi_init,
-	.open		= vbi_open,
-	.release	= vbi_close,
-	.irq_done	= vbi_irq_done,
-	.read		= vbi_read,
-};