Hi Mauro,
Am Freitag, den 26.07.2013, 12:18 -0300 schrieb Mauro Carvalho Chehab:
> Em Fri, 21 Jun 2013 09:55:32 +0200
> Philipp Zabel <p.za...@pengutronix.de> escreveu:
>
> > Signed-off-by: Philipp Zabel <p.za...@pengutronix.de>
>
> Please add a description for the patch.
Sorry I missed this, description is the same as for the encoder IRAM
setup:
"This sets up IRAM areas used as temporary memory for the different
hardware units depending on the frame size."
regards
Philipp
> Thanks!
> Mauro
>
> > ---
> > drivers/media/platform/coda.c | 50
> > +++++++++++++++++++++++++++++++++++++++++--
> > 1 file changed, 48 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c
> > index 1f3bd43..856a93e 100644
> > --- a/drivers/media/platform/coda.c
> > +++ b/drivers/media/platform/coda.c
> > @@ -1212,6 +1212,7 @@ static void coda_setup_iram(struct coda_ctx *ctx)
> > int ipacdc_size;
> > int bitram_size;
> > int dbk_size;
> > + int ovl_size;
> > int mb_width;
> > int me_size;
> > int size;
> > @@ -1273,7 +1274,47 @@ static void coda_setup_iram(struct coda_ctx *ctx)
> > size -= ipacdc_size;
> > }
> >
> > - /* OVL disabled for encoder */
> > + /* OVL and BTP disabled for encoder */
> > + } else if (ctx->inst_type == CODA_INST_DECODER) {
> > + struct coda_q_data *q_data_dst;
> > + int mb_height;
> > +
> > + q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
> > + mb_width = DIV_ROUND_UP(q_data_dst->width, 16);
> > + mb_height = DIV_ROUND_UP(q_data_dst->height, 16);
> > +
> > + dbk_size = round_up(256 * mb_width, 1024);
> > + if (size >= dbk_size) {
> > + iram_info->axi_sram_use |= CODA7_USE_HOST_DBK_ENABLE;
> > + iram_info->buf_dbk_y_use = dev->iram_paddr;
> > + iram_info->buf_dbk_c_use = dev->iram_paddr +
> > + dbk_size / 2;
> > + size -= dbk_size;
> > + } else {
> > + goto out;
> > + }
> > +
> > + bitram_size = round_up(128 * mb_width, 1024);
> > + if (size >= bitram_size) {
> > + iram_info->axi_sram_use |= CODA7_USE_HOST_BIT_ENABLE;
> > + iram_info->buf_bit_use = iram_info->buf_dbk_c_use +
> > + dbk_size / 2;
> > + size -= bitram_size;
> > + } else {
> > + goto out;
> > + }
> > +
> > + ipacdc_size = round_up(128 * mb_width, 1024);
> > + if (size >= ipacdc_size) {
> > + iram_info->axi_sram_use |= CODA7_USE_HOST_IP_ENABLE;
> > + iram_info->buf_ip_ac_dc_use = iram_info->buf_bit_use +
> > + bitram_size;
> > + size -= ipacdc_size;
> > + } else {
> > + goto out;
> > + }
> > +
> > + ovl_size = round_up(80 * mb_width, 1024);
> > }
> >
> > out:
> > @@ -1300,7 +1341,12 @@ out:
> >
> > if (dev->devtype->product == CODA_7541) {
> > /* TODO - Enabling these causes picture errors on CODA7541 */
> > - if (ctx->inst_type == CODA_INST_ENCODER) {
> > + if (ctx->inst_type == CODA_INST_DECODER) {
> > + /* fw 1.4.50 */
> > + iram_info->axi_sram_use &= ~(CODA7_USE_HOST_IP_ENABLE |
> > + CODA7_USE_IP_ENABLE);
> > + } else {
> > + /* fw 13.4.29 */
> > iram_info->axi_sram_use &= ~(CODA7_USE_HOST_IP_ENABLE |
> > CODA7_USE_HOST_DBK_ENABLE |
> > CODA7_USE_IP_ENABLE |
>
>
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