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authorPer Forlin <per.friden@stericsson.com>2010-10-06 09:05:27 +0000
committerDan Williams <dan.j.williams@intel.com>2010-10-07 14:56:35 -0700
commita59670a40b4dd497630f9442feb259dde601e469 (patch)
tree2ed346ae4dbd94e271ffeac5badba2c1723d8775
parent819504f4861a5bc1e25c82409956388bb79fb635 (diff)
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DMAENGINE: Set burst size for phy and log chans in ste_dma40 dev_control
Set burst for physical or logical channels respectively. Convert the values in dma_cfg to dma reg bits for physical or logical channels. Signed-off-by: Per Forlin <per.forlin@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
-rw-r--r--drivers/dma/ste_dma40.c34
1 files changed, 26 insertions, 8 deletions
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index c07d989f26d..ad8d6df1b6a 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -2246,14 +2246,25 @@ static void d40_set_runtime_config(struct dma_chan *chan,
return;
}
- if (config_maxburst >= 16)
- psize = STEDMA40_PSIZE_LOG_16;
- else if (config_maxburst >= 8)
- psize = STEDMA40_PSIZE_LOG_8;
- else if (config_maxburst >= 4)
- psize = STEDMA40_PSIZE_LOG_4;
- else
- psize = STEDMA40_PSIZE_LOG_1;
+ if (d40c->log_num != D40_PHY_CHAN) {
+ if (config_maxburst >= 16)
+ psize = STEDMA40_PSIZE_LOG_16;
+ else if (config_maxburst >= 8)
+ psize = STEDMA40_PSIZE_LOG_8;
+ else if (config_maxburst >= 4)
+ psize = STEDMA40_PSIZE_LOG_4;
+ else
+ psize = STEDMA40_PSIZE_LOG_1;
+ } else {
+ if (config_maxburst >= 16)
+ psize = STEDMA40_PSIZE_PHY_16;
+ else if (config_maxburst >= 8)
+ psize = STEDMA40_PSIZE_PHY_8;
+ else if (config_maxburst >= 4)
+ psize = STEDMA40_PSIZE_PHY_4;
+ else
+ psize = STEDMA40_PSIZE_PHY_1;
+ }
/* Set up all the endpoint configs */
cfg->src_info.data_width = addr_width;
@@ -2265,6 +2276,13 @@ static void d40_set_runtime_config(struct dma_chan *chan,
cfg->dst_info.endianess = STEDMA40_LITTLE_ENDIAN;
cfg->dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL;
+ /* Fill in register values */
+ if (d40c->log_num != D40_PHY_CHAN)
+ d40_log_cfg(cfg, &d40c->log_def.lcsp1, &d40c->log_def.lcsp3);
+ else
+ d40_phy_cfg(cfg, &d40c->src_def_cfg,
+ &d40c->dst_def_cfg, false);
+
/* These settings will take precedence later */
d40c->runtime_addr = config_addr;
d40c->runtime_direction = config->direction;