From 8358e76c14ab4103f27bf2258fbf6dae4cceac8b Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Fri, 21 Jun 2013 03:55:32 -0300 Subject: [PATCH] [media] coda: dynamic IRAM setup for decoder This sets up IRAM areas used as temporary memory for the different hardware units depending on the frame size. Signed-off-by: Philipp Zabel Signed-off-by: Kamil Debski Signed-off-by: Mauro Carvalho Chehab --- 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 424dd5f5da8c..8575b713320e 100644 --- a/drivers/media/platform/coda.c +++ b/drivers/media/platform/coda.c @@ -1221,6 +1221,7 @@ 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; @@ -1282,7 +1283,47 @@ 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: @@ -1309,7 +1350,12 @@ 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 | -- 2.30.2