Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6bb2790f8a0cf93d3dbed6b6e986441110e6174b
Commit:     6bb2790f8a0cf93d3dbed6b6e986441110e6174b
Parent:     c1accaa21bdef38ec0f36eaaf7ce3384fff9d0c5
Author:     Mauro Carvalho Chehab <[EMAIL PROTECTED]>
AuthorDate: Thu Aug 23 16:41:14 2007 -0300
Committer:  Mauro Carvalho Chehab <[EMAIL PROTECTED]>
CommitDate: Tue Oct 9 22:14:56 2007 -0300

    V4L/DVB (6253): Convert vivi to use the newer videobuf-dma-sg module
    
    Signed-off-by: Mauro Carvalho Chehab <[EMAIL PROTECTED]>
---
 drivers/media/video/vivi.c |   53 ++++++++++++++++---------------------------
 1 files changed, 20 insertions(+), 33 deletions(-)

diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c
index c10169e..89c4034 100644
--- a/drivers/media/video/vivi.c
+++ b/drivers/media/video/vivi.c
@@ -33,7 +33,7 @@
 #include <linux/videodev.h>
 #endif
 #include <linux/interrupt.h>
-#include <media/video-buf.h>
+#include <media/videobuf-dma-sg.h>
 #include <media/v4l2-common.h>
 #include <linux/kthread.h>
 #include <linux/highmem.h>
@@ -327,19 +327,21 @@ static void vivi_fillbuff(struct vivi_dev *dev,struct 
vivi_buffer *buf)
        int wmax  = buf->vb.width;
        struct timeval ts;
        char *tmpbuf;
+       struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
 
-       if (buf->vb.dma.varea) {
+
+       if (dma->varea) {
                tmpbuf=kmalloc (wmax*2, GFP_KERNEL);
        } else {
-               tmpbuf=buf->vb.dma.vmalloc;
+               tmpbuf=dma->vmalloc;
        }
 
 
        for (h=0;h<hmax;h++) {
-               if (buf->vb.dma.varea) {
+               if (dma->varea) {
                        gen_line(tmpbuf,0,wmax,hmax,h,dev->timestr);
                        /* FIXME: replacing to __copy_to_user */
-                       if 
(copy_to_user(buf->vb.dma.varea+pos,tmpbuf,wmax*2)!=0)
+                       if (copy_to_user(dma->varea+pos,tmpbuf,wmax*2)!=0)
                                dprintk(2,"vivifill copy_to_user failed.\n");
                } else {
                        gen_line(tmpbuf,pos,wmax,hmax,h,dev->timestr);
@@ -369,7 +371,7 @@ static void vivi_fillbuff(struct vivi_dev *dev,struct 
vivi_buffer *buf)
                        dev->h,dev->m,dev->s,(dev->us+500)/1000);
 
        dprintk(2,"vivifill at %s: Buffer 0x%08lx size= %d\n",dev->timestr,
-                       (unsigned long)buf->vb.dma.varea,pos);
+                       (unsigned long)dma->varea,pos);
 
        /* Advice that buffer was filled */
        buf->vb.state = STATE_DONE;
@@ -597,13 +599,19 @@ buffer_setup(struct videobuf_queue *vq, unsigned int 
*count, unsigned int *size)
 
        if (0 == *count)
                *count = 32;
+
        while (*size * *count > vid_limit * 1024 * 1024)
                (*count)--;
+
+       dprintk(1,"%s, count=%d, size=%d\n",__FUNCTION__,*count, *size);
+
        return 0;
 }
 
 static void free_buffer(struct videobuf_queue *vq, struct vivi_buffer *buf)
 {
+       struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
+
        dprintk(1,"%s\n",__FUNCTION__);
 
        if (in_interrupt())
@@ -611,8 +619,8 @@ static void free_buffer(struct videobuf_queue *vq, struct 
vivi_buffer *buf)
 
 
        videobuf_waiton(&buf->vb,0,0);
-       videobuf_dma_unmap(vq, &buf->vb.dma);
-       videobuf_dma_free(&buf->vb.dma);
+       videobuf_dma_unmap(vq, dma);
+       videobuf_dma_free(dma);
        buf->vb.state = STATE_NEEDS_INIT;
 }
 
@@ -626,7 +634,7 @@ buffer_prepare(struct videobuf_queue *vq, struct 
videobuf_buffer *vb,
        struct vivi_buffer *buf = container_of(vb,struct vivi_buffer,vb);
        int rc, init_buffer = 0;
 
-//     dprintk(1,"%s, field=%d\n",__FUNCTION__,field);
+       dprintk(1,"%s, field=%d\n",__FUNCTION__,field);
 
        BUG_ON(NULL == fh->fmt);
        if (fh->width  < 48 || fh->width  > norm_maxw() ||
@@ -724,11 +732,6 @@ static struct videobuf_queue_ops vivi_video_qops = {
        .buf_prepare    = buffer_prepare,
        .buf_queue      = buffer_queue,
        .buf_release    = buffer_release,
-
-       /* Non-pci handling routines */
-//     .vb_map_sg      = vivi_map_sg,
-//     .vb_dma_sync_sg = vivi_dma_sync_sg,
-//     .vb_unmap_sg    = vivi_unmap_sg,
 };
 
 /* ------------------------------------------------------------------
@@ -904,25 +907,8 @@ static int vidioc_dqbuf (struct file *file, void *priv, 
struct v4l2_buffer *p)
 static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
 {
        struct vivi_fh  *fh=priv;
-       struct videobuf_queue *q=&fh->vb_vidq;
-       struct v4l2_requestbuffers req;
-       unsigned int i;
-       int ret;
 
-       req.type   = q->type;
-       req.count  = 8;
-       req.memory = V4L2_MEMORY_MMAP;
-       ret = videobuf_reqbufs(q,&req);
-       if (ret < 0)
-               return (ret);
-
-       mbuf->frames = req.count;
-       mbuf->size   = 0;
-       for (i = 0; i < mbuf->frames; i++) {
-               mbuf->offsets[i]  = q->bufs[i]->boff;
-               mbuf->size       += q->bufs[i]->bsize;
-       }
-       return (0);
+       return videobuf_cgmbuf (&fh->vb_vidq, mbuf, 8);
 }
 #endif
 
@@ -1106,12 +1092,13 @@ static int vivi_open(struct inode *inode, struct file 
*file)
        sprintf(dev->timestr,"%02d:%02d:%02d:%03d",
                        dev->h,dev->m,dev->s,(dev->us+500)/1000);
 
-       videobuf_queue_init(&fh->vb_vidq, &vivi_video_qops,
+       videobuf_queue_pci_init(&fh->vb_vidq, &vivi_video_qops,
                        NULL, NULL,
                        fh->type,
                        V4L2_FIELD_INTERLACED,
                        sizeof(struct vivi_buffer),fh);
 
+
        return 0;
 }
 
-
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