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authorRabin Vincent <rabin.vincent@stericsson.com>2010-10-12 09:00:51 -0400
committerDan Williams <dan.j.williams@intel.com>2010-10-19 18:17:07 -0400
commit38bdbf020ad7ae1bca564a7db238cdf8b2f462a8 (patch)
treeee8e859322c752d4db84670fc55c707cdc59ce82
parent730c1871680774ea0700debc2981c7a53f51d92e (diff)
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>
-rw-r--r--arch/arm/mach-ux500/devices-db8500.c7
-rw-r--r--arch/arm/plat-nomadik/include/plat/ste_dma40.h12
-rw-r--r--drivers/dma/ste_dma40.c8
3 files changed, 12 insertions, 15 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[] = {
132 132
133/* Default configuration for physcial memcpy */ 133/* Default configuration for physcial memcpy */
134struct stedma40_chan_cfg dma40_memcpy_conf_phy = { 134struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
135 .channel_type = (STEDMA40_CHANNEL_IN_PHY_MODE | 135 .channel_type = STEDMA40_PCHAN_BASIC_MODE,
136 STEDMA40_PCHAN_BASIC_MODE), 136 .mode = STEDMA40_MODE_PHYSICAL,
137 .dir = STEDMA40_MEM_TO_MEM, 137 .dir = STEDMA40_MEM_TO_MEM,
138 138
139 .src_info.endianess = STEDMA40_LITTLE_ENDIAN, 139 .src_info.endianess = STEDMA40_LITTLE_ENDIAN,
@@ -148,8 +148,7 @@ struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
148}; 148};
149/* Default configuration for logical memcpy */ 149/* Default configuration for logical memcpy */
150struct stedma40_chan_cfg dma40_memcpy_conf_log = { 150struct stedma40_chan_cfg dma40_memcpy_conf_log = {
151 .channel_type = (STEDMA40_CHANNEL_IN_LOG_MODE | 151 .channel_type = (STEDMA40_LCHAN_SRC_LOG_DST_LOG |
152 STEDMA40_LCHAN_SRC_LOG_DST_LOG |
153 STEDMA40_NO_TIM_FOR_LINK), 152 STEDMA40_NO_TIM_FOR_LINK),
154 .dir = STEDMA40_MEM_TO_MEM, 153 .dir = STEDMA40_MEM_TO_MEM,
155 154
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 @@
23 * the info structure. 23 * the info structure.
24 */ 24 */
25 25
26/* Mode */ 26enum stedma40_mode {
27#define STEDMA40_INFO_CH_MODE_TYPE_POS 6 27 STEDMA40_MODE_LOGICAL = 0,
28#define STEDMA40_CHANNEL_IN_PHY_MODE (0x1 << STEDMA40_INFO_CH_MODE_TYPE_POS) 28 STEDMA40_MODE_PHYSICAL,
29#define STEDMA40_CHANNEL_IN_LOG_MODE (0x2 << STEDMA40_INFO_CH_MODE_TYPE_POS) 29 STEDMA40_MODE_OPERATION,
30#define STEDMA40_CHANNEL_IN_OPER_MODE (0x3 << STEDMA40_INFO_CH_MODE_TYPE_POS) 30};
31 31
32/* Mode options */ 32/* Mode options */
33#define STEDMA40_INFO_CH_MODE_OPT_POS 8 33#define STEDMA40_INFO_CH_MODE_OPT_POS 8
@@ -115,6 +115,7 @@ struct stedma40_half_channel_info {
115 * @dir: MEM 2 MEM, PERIPH 2 MEM , MEM 2 PERIPH, PERIPH 2 PERIPH 115 * @dir: MEM 2 MEM, PERIPH 2 MEM , MEM 2 PERIPH, PERIPH 2 PERIPH
116 * @channel_type: priority, mode, mode options and interrupt configuration. 116 * @channel_type: priority, mode, mode options and interrupt configuration.
117 * @high_priority: true if high-priority 117 * @high_priority: true if high-priority
118 * @mode: channel mode: physical, logical, or operation
118 * @src_dev_type: Src device type 119 * @src_dev_type: Src device type
119 * @dst_dev_type: Dst device type 120 * @dst_dev_type: Dst device type
120 * @src_info: Parameters for dst half channel 121 * @src_info: Parameters for dst half channel
@@ -129,6 +130,7 @@ struct stedma40_chan_cfg {
129 enum stedma40_xfer_dir dir; 130 enum stedma40_xfer_dir dir;
130 unsigned int channel_type; 131 unsigned int channel_type;
131 bool high_priority; 132 bool high_priority;
133 enum stedma40_mode mode;
132 int src_dev_type; 134 int src_dev_type;
133 int dst_dev_type; 135 int dst_dev_type;
134 struct stedma40_half_channel_info src_info; 136 struct stedma40_half_channel_info src_info;
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 7bc535ee0a08..ddaeb51797b1 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -1151,8 +1151,7 @@ static int d40_validate_conf(struct d40_chan *d40c,
1151 int res = 0; 1151 int res = 0;
1152 u32 dst_event_group = D40_TYPE_TO_GROUP(conf->dst_dev_type); 1152 u32 dst_event_group = D40_TYPE_TO_GROUP(conf->dst_dev_type);
1153 u32 src_event_group = D40_TYPE_TO_GROUP(conf->src_dev_type); 1153 u32 src_event_group = D40_TYPE_TO_GROUP(conf->src_dev_type);
1154 bool is_log = (conf->channel_type & STEDMA40_CHANNEL_IN_OPER_MODE) 1154 bool is_log = conf->mode == STEDMA40_MODE_LOGICAL;
1155 == STEDMA40_CHANNEL_IN_LOG_MODE;
1156 1155
1157 if (!conf->dir) { 1156 if (!conf->dir) {
1158 dev_err(&d40c->chan.dev->device, "[%s] Invalid direction.\n", 1157 dev_err(&d40c->chan.dev->device, "[%s] Invalid direction.\n",
@@ -1316,10 +1315,7 @@ static int d40_allocate_channel(struct d40_chan *d40c)
1316 int j; 1315 int j;
1317 int log_num; 1316 int log_num;
1318 bool is_src; 1317 bool is_src;
1319 bool is_log = (d40c->dma_cfg.channel_type & 1318 bool is_log = d40c->dma_cfg.mode == STEDMA40_MODE_LOGICAL;
1320 STEDMA40_CHANNEL_IN_OPER_MODE)
1321 == STEDMA40_CHANNEL_IN_LOG_MODE;
1322
1323 1319
1324 phys = d40c->base->phy_res; 1320 phys = d40c->base->phy_res;
1325 1321