diff options
| author | Steven Toth <stoth@kernellabs.com> | 2010-07-31 16:01:00 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-10-21 07:55:01 -0200 |
| commit | 1b0e8e46297a214336d85c8e278a8a004f97889e (patch) | |
| tree | 8bcfe776bfc8926b2636cf8bfe6efb630404e4f6 /drivers/media/video/saa7164/saa7164-buffer.c | |
| parent | 7c1618227e6932fcd92597507ee63c01da73e623 (diff) | |
[media] saa7164: allow DMA engine buffers to vary in size between analog and digital
Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/saa7164/saa7164-buffer.c')
| -rw-r--r-- | drivers/media/video/saa7164/saa7164-buffer.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/media/video/saa7164/saa7164-buffer.c b/drivers/media/video/saa7164/saa7164-buffer.c index 5f45ea7f3d7..187e3f60fa5 100644 --- a/drivers/media/video/saa7164/saa7164-buffer.c +++ b/drivers/media/video/saa7164/saa7164-buffer.c @@ -134,18 +134,19 @@ struct saa7164_buffer *saa7164_buffer_alloc(struct saa7164_port *port, buf->crc = crc32(0, buf->cpu, buf->actual_size); memset_io(buf->pt_cpu, 0xff, buf->pt_size); - dprintk(DBGLVL_BUF, "%s() allocated buffer @ 0x%p\n", - __func__, buf); + dprintk(DBGLVL_BUF, "%s() allocated buffer @ 0x%p (%d pageptrs)\n", + __func__, buf, params->numpagetables); dprintk(DBGLVL_BUF, " pci_cpu @ 0x%p dma @ 0x%08lx len = 0x%x\n", buf->cpu, (long)buf->dma, buf->pci_size); dprintk(DBGLVL_BUF, " pt_cpu @ 0x%p pt_dma @ 0x%08lx len = 0x%x\n", buf->pt_cpu, (long)buf->pt_dma, buf->pt_size); /* Format the Page Table Entries to point into the data buffer */ -// for (i = 0 ; i < SAA7164_PT_ENTRIES; i++) { - for (i = 0 ; i < 10; i++) { + for (i = 0 ; i < params->numpagetables; i++) { *(buf->pt_cpu + i) = buf->dma + (i * 0x1000); /* TODO */ + dprintk(DBGLVL_BUF, " pt[%02d] = 0x%p -> 0x%llx\n", + i, buf->pt_cpu, (u64)*(buf->pt_cpu)); } |