diff options
Diffstat (limited to 'arch/arm/plat-s3c24xx')
-rw-r--r-- | arch/arm/plat-s3c24xx/dma.c | 24 | ||||
-rw-r--r-- | arch/arm/plat-s3c24xx/sleep.S | 25 |
2 files changed, 9 insertions, 40 deletions
diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c index 2abf9660bc6c..539bd0e3defd 100644 --- a/arch/arm/plat-s3c24xx/dma.c +++ b/arch/arm/plat-s3c24xx/dma.c | |||
@@ -712,7 +712,7 @@ static struct s3c2410_dma_chan *s3c2410_dma_map_channel(int channel); | |||
712 | * get control of an dma channel | 712 | * get control of an dma channel |
713 | */ | 713 | */ |
714 | 714 | ||
715 | int s3c2410_dma_request(unsigned int channel, | 715 | int s3c2410_dma_request(enum dma_ch channel, |
716 | struct s3c2410_dma_client *client, | 716 | struct s3c2410_dma_client *client, |
717 | void *dev) | 717 | void *dev) |
718 | { | 718 | { |
@@ -783,7 +783,7 @@ EXPORT_SYMBOL(s3c2410_dma_request); | |||
783 | * allowed to go through. | 783 | * allowed to go through. |
784 | */ | 784 | */ |
785 | 785 | ||
786 | int s3c2410_dma_free(unsigned int channel, struct s3c2410_dma_client *client) | 786 | int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *client) |
787 | { | 787 | { |
788 | struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); | 788 | struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); |
789 | unsigned long flags; | 789 | unsigned long flags; |
@@ -974,7 +974,7 @@ static int s3c2410_dma_started(struct s3c2410_dma_chan *chan) | |||
974 | } | 974 | } |
975 | 975 | ||
976 | int | 976 | int |
977 | s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op) | 977 | s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op) |
978 | { | 978 | { |
979 | struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); | 979 | struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); |
980 | 980 | ||
@@ -1021,23 +1021,19 @@ EXPORT_SYMBOL(s3c2410_dma_ctrl); | |||
1021 | * xfersize: size of unit in bytes (1,2,4) | 1021 | * xfersize: size of unit in bytes (1,2,4) |
1022 | */ | 1022 | */ |
1023 | 1023 | ||
1024 | int s3c2410_dma_config(unsigned int channel, | 1024 | int s3c2410_dma_config(enum dma_ch channel, |
1025 | int xferunit) | 1025 | int xferunit) |
1026 | { | 1026 | { |
1027 | struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); | 1027 | struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); |
1028 | unsigned int dcon; | 1028 | unsigned int dcon; |
1029 | 1029 | ||
1030 | pr_debug("%s: chan=%d, xfer_unit=%d, dcon=%08x\n", | 1030 | pr_debug("%s: chan=%d, xfer_unit=%d\n", __func__, channel, xferunit); |
1031 | __func__, channel, xferunit, dcon); | ||
1032 | 1031 | ||
1033 | if (chan == NULL) | 1032 | if (chan == NULL) |
1034 | return -EINVAL; | 1033 | return -EINVAL; |
1035 | 1034 | ||
1036 | pr_debug("%s: Initial dcon is %08x\n", __func__, dcon); | ||
1037 | |||
1038 | dcon = chan->dcon & dma_sel.dcon_mask; | 1035 | dcon = chan->dcon & dma_sel.dcon_mask; |
1039 | 1036 | pr_debug("%s: dcon is %08x\n", __func__, dcon); | |
1040 | pr_debug("%s: New dcon is %08x\n", __func__, dcon); | ||
1041 | 1037 | ||
1042 | switch (chan->req_ch) { | 1038 | switch (chan->req_ch) { |
1043 | case DMACH_I2S_IN: | 1039 | case DMACH_I2S_IN: |
@@ -1104,7 +1100,7 @@ EXPORT_SYMBOL(s3c2410_dma_config); | |||
1104 | * devaddr: physical address of the source | 1100 | * devaddr: physical address of the source |
1105 | */ | 1101 | */ |
1106 | 1102 | ||
1107 | int s3c2410_dma_devconfig(unsigned int channel, | 1103 | int s3c2410_dma_devconfig(enum dma_ch channel, |
1108 | enum s3c2410_dmasrc source, | 1104 | enum s3c2410_dmasrc source, |
1109 | unsigned long devaddr) | 1105 | unsigned long devaddr) |
1110 | { | 1106 | { |
@@ -1177,7 +1173,7 @@ EXPORT_SYMBOL(s3c2410_dma_devconfig); | |||
1177 | * returns the current transfer points for the dma source and destination | 1173 | * returns the current transfer points for the dma source and destination |
1178 | */ | 1174 | */ |
1179 | 1175 | ||
1180 | int s3c2410_dma_getposition(unsigned int channel, dma_addr_t *src, dma_addr_t *dst) | 1176 | int s3c2410_dma_getposition(enum dma_ch channel, dma_addr_t *src, dma_addr_t *dst) |
1181 | { | 1177 | { |
1182 | struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); | 1178 | struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); |
1183 | 1179 | ||
@@ -1235,7 +1231,7 @@ static void s3c2410_dma_resume_chan(struct s3c2410_dma_chan *cp) | |||
1235 | /* restore channel's hardware configuration */ | 1231 | /* restore channel's hardware configuration */ |
1236 | 1232 | ||
1237 | if (!cp->in_use) | 1233 | if (!cp->in_use) |
1238 | return 0; | 1234 | return; |
1239 | 1235 | ||
1240 | printk(KERN_INFO "dma%d: restoring configuration\n", cp->number); | 1236 | printk(KERN_INFO "dma%d: restoring configuration\n", cp->number); |
1241 | 1237 | ||
@@ -1246,8 +1242,6 @@ static void s3c2410_dma_resume_chan(struct s3c2410_dma_chan *cp) | |||
1246 | 1242 | ||
1247 | if (cp->map != NULL) | 1243 | if (cp->map != NULL) |
1248 | dma_sel.select(cp, cp->map); | 1244 | dma_sel.select(cp, cp->map); |
1249 | |||
1250 | return 0; | ||
1251 | } | 1245 | } |
1252 | 1246 | ||
1253 | static void s3c2410_dma_resume(void) | 1247 | static void s3c2410_dma_resume(void) |
diff --git a/arch/arm/plat-s3c24xx/sleep.S b/arch/arm/plat-s3c24xx/sleep.S index fd7032f84ae7..c56612569b40 100644 --- a/arch/arm/plat-s3c24xx/sleep.S +++ b/arch/arm/plat-s3c24xx/sleep.S | |||
@@ -41,31 +41,6 @@ | |||
41 | 41 | ||
42 | .text | 42 | .text |
43 | 43 | ||
44 | /* s3c_cpu_save | ||
45 | * | ||
46 | * entry: | ||
47 | * r1 = v:p offset | ||
48 | */ | ||
49 | |||
50 | ENTRY(s3c_cpu_save) | ||
51 | stmfd sp!, { r4 - r12, lr } | ||
52 | ldr r3, =resume_with_mmu | ||
53 | bl cpu_suspend | ||
54 | |||
55 | @@ jump to final code to send system to sleep | ||
56 | ldr r0, =pm_cpu_sleep | ||
57 | @@ldr pc, [ r0 ] | ||
58 | ldr r0, [ r0 ] | ||
59 | mov pc, r0 | ||
60 | |||
61 | @@ return to the caller, after having the MMU | ||
62 | @@ turned on, this restores the last bits from the | ||
63 | @@ stack | ||
64 | resume_with_mmu: | ||
65 | ldmfd sp!, { r4 - r12, pc } | ||
66 | |||
67 | .ltorg | ||
68 | |||
69 | /* sleep magic, to allow the bootloader to check for an valid | 44 | /* sleep magic, to allow the bootloader to check for an valid |
70 | * image to resume to. Must be the first word before the | 45 | * image to resume to. Must be the first word before the |
71 | * s3c_cpu_resume entry. | 46 | * s3c_cpu_resume entry. |