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[media] blackfin: add display support in ppi driver 

Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Scott Jiang 2013-04-12 19:52:57 -03:00 committed by Mauro Carvalho Chehab
parent 835ab0121a
commit 968bd2e7ca
1 changed files with 12 additions and 0 deletions
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12
drivers/media/platform/blackfin/ppi.c
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@ -266,6 +266,18 @@ static int ppi_set_params(struct ppi_if *ppi, struct ppi_params *params)
bfin_write32(&reg->vcnt, params->height);
if (params->int_mask)
bfin_write32(&reg->imsk, params->int_mask & 0xFF);
if (ppi->ppi_control & PORT_DIR) {
u32 hsync_width, vsync_width, vsync_period;
hsync_width = params->hsync
* params->bpp / params->dlen;
vsync_width = params->vsync * samples_per_line;
vsync_period = samples_per_line * params->frame;
bfin_write32(&reg->fs1_wlhb, hsync_width);
bfin_write32(&reg->fs1_paspl, samples_per_line);
bfin_write32(&reg->fs2_wlvb, vsync_width);
bfin_write32(&reg->fs2_palpf, vsync_period);
}
break;
}
default: