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authorRabin Vincent <rabin.vincent@stericsson.com>2010-10-12 13:00:51 +0000
committerDan Williams <dan.j.williams@intel.com>2010-10-19 15:17:07 -0700
commit38bdbf020ad7ae1bca564a7db238cdf8b2f462a8 (patch)
treeee8e859322c752d4db84670fc55c707cdc59ce82 /arch/arm
parent730c1871680774ea0700debc2981c7a53f51d92e (diff)
downloadblackbird-op-linux-38bdbf020ad7ae1bca564a7db238cdf8b2f462a8.tar.gz
blackbird-op-linux-38bdbf020ad7ae1bca564a7db238cdf8b2f462a8.zip
ste_dma40: move channel mode to a separate field
And keep it logical by default. Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-ux500/devices-db8500.c7
-rw-r--r--arch/arm/plat-nomadik/include/plat/ste_dma40.h12
2 files changed, 10 insertions, 9 deletions
diff --git a/arch/arm/mach-ux500/devices-db8500.c b/arch/arm/mach-ux500/devices-db8500.c
index 70e3d409d254..86b650b0d456 100644
--- a/arch/arm/mach-ux500/devices-db8500.c
+++ b/arch/arm/mach-ux500/devices-db8500.c
@@ -132,8 +132,8 @@ static struct resource dma40_resources[] = {
/* Default configuration for physcial memcpy */
struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
- .channel_type = (STEDMA40_CHANNEL_IN_PHY_MODE |
- STEDMA40_PCHAN_BASIC_MODE),
+ .channel_type = STEDMA40_PCHAN_BASIC_MODE,
+ .mode = STEDMA40_MODE_PHYSICAL,
.dir = STEDMA40_MEM_TO_MEM,
.src_info.endianess = STEDMA40_LITTLE_ENDIAN,
@@ -148,8 +148,7 @@ struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
};
/* Default configuration for logical memcpy */
struct stedma40_chan_cfg dma40_memcpy_conf_log = {
- .channel_type = (STEDMA40_CHANNEL_IN_LOG_MODE |
- STEDMA40_LCHAN_SRC_LOG_DST_LOG |
+ .channel_type = (STEDMA40_LCHAN_SRC_LOG_DST_LOG |
STEDMA40_NO_TIM_FOR_LINK),
.dir = STEDMA40_MEM_TO_MEM,
diff --git a/arch/arm/plat-nomadik/include/plat/ste_dma40.h b/arch/arm/plat-nomadik/include/plat/ste_dma40.h
index 9adcd9b3e293..e49a2a115928 100644
--- a/arch/arm/plat-nomadik/include/plat/ste_dma40.h
+++ b/arch/arm/plat-nomadik/include/plat/ste_dma40.h
@@ -23,11 +23,11 @@
* the info structure.
*/
-/* Mode */
-#define STEDMA40_INFO_CH_MODE_TYPE_POS 6
-#define STEDMA40_CHANNEL_IN_PHY_MODE (0x1 << STEDMA40_INFO_CH_MODE_TYPE_POS)
-#define STEDMA40_CHANNEL_IN_LOG_MODE (0x2 << STEDMA40_INFO_CH_MODE_TYPE_POS)
-#define STEDMA40_CHANNEL_IN_OPER_MODE (0x3 << STEDMA40_INFO_CH_MODE_TYPE_POS)
+enum stedma40_mode {
+ STEDMA40_MODE_LOGICAL = 0,
+ STEDMA40_MODE_PHYSICAL,
+ STEDMA40_MODE_OPERATION,
+};
/* Mode options */
#define STEDMA40_INFO_CH_MODE_OPT_POS 8
@@ -115,6 +115,7 @@ struct stedma40_half_channel_info {
* @dir: MEM 2 MEM, PERIPH 2 MEM , MEM 2 PERIPH, PERIPH 2 PERIPH
* @channel_type: priority, mode, mode options and interrupt configuration.
* @high_priority: true if high-priority
+ * @mode: channel mode: physical, logical, or operation
* @src_dev_type: Src device type
* @dst_dev_type: Dst device type
* @src_info: Parameters for dst half channel
@@ -129,6 +130,7 @@ struct stedma40_chan_cfg {
enum stedma40_xfer_dir dir;
unsigned int channel_type;
bool high_priority;
+ enum stedma40_mode mode;
int src_dev_type;
int dst_dev_type;
struct stedma40_half_channel_info src_info;
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