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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-01-15 13:24:02 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-01-15 13:24:02 +0000
commitbbba75606963c82febf7bd2761ea848ac5d1a1bb (patch)
tree50880b4539c578c407f6c1aa605fddf5e371bb7e /arch/arm/mach-s3c64xx
parent073154459b80a43f7e4f088b11c93c8e9cb07f14 (diff)
parentccbc87693dcb428443a72d644e63484676517c2d (diff)
Merge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into devel-stable
Diffstat (limited to 'arch/arm/mach-s3c64xx')
-rw-r--r--arch/arm/mach-s3c64xx/clock.c21
-rw-r--r--arch/arm/mach-s3c64xx/dev-audio.c60
-rw-r--r--arch/arm/mach-s3c64xx/dma.c1
-rw-r--r--arch/arm/mach-s3c64xx/irq-eint.c37
4 files changed, 58 insertions, 61 deletions
diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c
index 7e03f0ae2fc..dd378206450 100644
--- a/arch/arm/mach-s3c64xx/clock.c
+++ b/arch/arm/mach-s3c64xx/clock.c
@@ -127,7 +127,7 @@ int s3c64xx_sclk_ctrl(struct clk *clk, int enable)
return s3c64xx_gate(S3C_SCLK_GATE, clk, enable);
}
-static struct clk init_clocks_disable[] = {
+static struct clk init_clocks_off[] = {
{
.name = "nand",
.id = -1,
@@ -695,7 +695,7 @@ static struct clksrc_clk clksrcs[] = {
}, {
.clk = {
.name = "audio-bus",
- .id = -1, /* There's only one IISv4 port */
+ .id = 2,
.ctrlbit = S3C6410_CLKCON_SCLK_AUDIO2,
.enable = s3c64xx_sclk_ctrl,
},
@@ -834,10 +834,6 @@ static struct clk *clks[] __initdata = {
void __init s3c64xx_register_clocks(unsigned long xtal,
unsigned armclk_divlimit)
{
- struct clk *clkp;
- int ret;
- int ptr;
-
armclk_mask = armclk_divlimit;
s3c24xx_register_baseclocks(xtal);
@@ -845,17 +841,8 @@ void __init s3c64xx_register_clocks(unsigned long xtal,
s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
- clkp = init_clocks_disable;
- for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
-
- ret = s3c24xx_register_clock(clkp);
- if (ret < 0) {
- printk(KERN_ERR "Failed to register clock %s (%d)\n",
- clkp->name, ret);
- }
-
- (clkp->enable)(clkp, 0);
- }
+ s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
+ s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
s3c24xx_register_clocks(clks1, ARRAY_SIZE(clks1));
s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
diff --git a/arch/arm/mach-s3c64xx/dev-audio.c b/arch/arm/mach-s3c64xx/dev-audio.c
index 76426a32c01..7618627b98f 100644
--- a/arch/arm/mach-s3c64xx/dev-audio.c
+++ b/arch/arm/mach-s3c64xx/dev-audio.c
@@ -22,7 +22,12 @@
#include <plat/audio.h>
#include <plat/gpio-cfg.h>
-static int s3c64xx_i2sv3_cfg_gpio(struct platform_device *pdev)
+static const char *rclksrc[] = {
+ [0] = "iis",
+ [1] = "audio-bus",
+};
+
+static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)
{
unsigned int base;
@@ -33,6 +38,12 @@ static int s3c64xx_i2sv3_cfg_gpio(struct platform_device *pdev)
case 1:
base = S3C64XX_GPE(0);
break;
+ case 2:
+ s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
+ s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
+ s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
+ s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));
+ return 0;
default:
printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
pdev->id);
@@ -44,16 +55,6 @@ static int s3c64xx_i2sv3_cfg_gpio(struct platform_device *pdev)
return 0;
}
-static int s3c64xx_i2sv4_cfg_gpio(struct platform_device *pdev)
-{
- s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
- s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
- s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
- s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));
-
- return 0;
-}
-
static struct resource s3c64xx_iis0_resource[] = {
[0] = {
.start = S3C64XX_PA_IIS0,
@@ -72,17 +73,22 @@ static struct resource s3c64xx_iis0_resource[] = {
},
};
-static struct s3c_audio_pdata s3c_i2s0_pdata = {
- .cfg_gpio = s3c64xx_i2sv3_cfg_gpio,
+static struct s3c_audio_pdata i2sv3_pdata = {
+ .cfg_gpio = s3c64xx_i2s_cfg_gpio,
+ .type = {
+ .i2s = {
+ .src_clk = rclksrc,
+ },
+ },
};
struct platform_device s3c64xx_device_iis0 = {
- .name = "s3c64xx-iis",
+ .name = "samsung-i2s",
.id = 0,
.num_resources = ARRAY_SIZE(s3c64xx_iis0_resource),
.resource = s3c64xx_iis0_resource,
.dev = {
- .platform_data = &s3c_i2s0_pdata,
+ .platform_data = &i2sv3_pdata,
},
};
EXPORT_SYMBOL(s3c64xx_device_iis0);
@@ -105,17 +111,13 @@ static struct resource s3c64xx_iis1_resource[] = {
},
};
-static struct s3c_audio_pdata s3c_i2s1_pdata = {
- .cfg_gpio = s3c64xx_i2sv3_cfg_gpio,
-};
-
struct platform_device s3c64xx_device_iis1 = {
- .name = "s3c64xx-iis",
+ .name = "samsung-i2s",
.id = 1,
.num_resources = ARRAY_SIZE(s3c64xx_iis1_resource),
.resource = s3c64xx_iis1_resource,
.dev = {
- .platform_data = &s3c_i2s1_pdata,
+ .platform_data = &i2sv3_pdata,
},
};
EXPORT_SYMBOL(s3c64xx_device_iis1);
@@ -138,17 +140,23 @@ static struct resource s3c64xx_iisv4_resource[] = {
},
};
-static struct s3c_audio_pdata s3c_i2sv4_pdata = {
- .cfg_gpio = s3c64xx_i2sv4_cfg_gpio,
+static struct s3c_audio_pdata i2sv4_pdata = {
+ .cfg_gpio = s3c64xx_i2s_cfg_gpio,
+ .type = {
+ .i2s = {
+ .quirks = QUIRK_PRI_6CHAN,
+ .src_clk = rclksrc,
+ },
+ },
};
struct platform_device s3c64xx_device_iisv4 = {
- .name = "s3c64xx-iis-v4",
- .id = -1,
+ .name = "samsung-i2s",
+ .id = 2,
.num_resources = ARRAY_SIZE(s3c64xx_iisv4_resource),
.resource = s3c64xx_iisv4_resource,
.dev = {
- .platform_data = &s3c_i2sv4_pdata,
+ .platform_data = &i2sv4_pdata,
},
};
EXPORT_SYMBOL(s3c64xx_device_iisv4);
diff --git a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c
index e7d03ab41d8..d9aa072ecee 100644
--- a/arch/arm/mach-s3c64xx/dma.c
+++ b/arch/arm/mach-s3c64xx/dma.c
@@ -212,6 +212,7 @@ static int s3c64xx_dma_start(struct s3c2410_dma_chan *chan)
config = readl(chan->regs + PL080S_CH_CONFIG);
config |= PL080_CONFIG_ENABLE;
+ config &= ~PL080_CONFIG_HALT;
pr_debug("%s: writing config %08x\n", __func__, config);
writel(config, chan->regs + PL080S_CH_CONFIG);
diff --git a/arch/arm/mach-s3c64xx/irq-eint.c b/arch/arm/mach-s3c64xx/irq-eint.c
index 5682d6a7f4a..2ead8189da7 100644
--- a/arch/arm/mach-s3c64xx/irq-eint.c
+++ b/arch/arm/mach-s3c64xx/irq-eint.c
@@ -30,41 +30,41 @@
#include <plat/pm.h>
#define eint_offset(irq) ((irq) - IRQ_EINT(0))
-#define eint_irq_to_bit(irq) (1 << eint_offset(irq))
+#define eint_irq_to_bit(irq) ((u32)(1 << eint_offset(irq)))
-static inline void s3c_irq_eint_mask(unsigned int irq)
+static inline void s3c_irq_eint_mask(struct irq_data *data)
{
u32 mask;
mask = __raw_readl(S3C64XX_EINT0MASK);
- mask |= eint_irq_to_bit(irq);
+ mask |= (u32)data->chip_data;
__raw_writel(mask, S3C64XX_EINT0MASK);
}
-static void s3c_irq_eint_unmask(unsigned int irq)
+static void s3c_irq_eint_unmask(struct irq_data *data)
{
u32 mask;
mask = __raw_readl(S3C64XX_EINT0MASK);
- mask &= ~eint_irq_to_bit(irq);
+ mask &= ~((u32)data->chip_data);
__raw_writel(mask, S3C64XX_EINT0MASK);
}
-static inline void s3c_irq_eint_ack(unsigned int irq)
+static inline void s3c_irq_eint_ack(struct irq_data *data)
{
- __raw_writel(eint_irq_to_bit(irq), S3C64XX_EINT0PEND);
+ __raw_writel((u32)data->chip_data, S3C64XX_EINT0PEND);
}
-static void s3c_irq_eint_maskack(unsigned int irq)
+static void s3c_irq_eint_maskack(struct irq_data *data)
{
/* compiler should in-line these */
- s3c_irq_eint_mask(irq);
- s3c_irq_eint_ack(irq);
+ s3c_irq_eint_mask(data);
+ s3c_irq_eint_ack(data);
}
-static int s3c_irq_eint_set_type(unsigned int irq, unsigned int type)
+static int s3c_irq_eint_set_type(struct irq_data *data, unsigned int type)
{
- int offs = eint_offset(irq);
+ int offs = eint_offset(data->irq);
int pin, pin_val;
int shift;
u32 ctrl, mask;
@@ -140,12 +140,12 @@ static int s3c_irq_eint_set_type(unsigned int irq, unsigned int type)
static struct irq_chip s3c_irq_eint = {
.name = "s3c-eint",
- .mask = s3c_irq_eint_mask,
- .unmask = s3c_irq_eint_unmask,
- .mask_ack = s3c_irq_eint_maskack,
- .ack = s3c_irq_eint_ack,
- .set_type = s3c_irq_eint_set_type,
- .set_wake = s3c_irqext_wake,
+ .irq_mask = s3c_irq_eint_mask,
+ .irq_unmask = s3c_irq_eint_unmask,
+ .irq_mask_ack = s3c_irq_eint_maskack,
+ .irq_ack = s3c_irq_eint_ack,
+ .irq_set_type = s3c_irq_eint_set_type,
+ .irq_set_wake = s3c_irqext_wake,
};
/* s3c_irq_demux_eint
@@ -198,6 +198,7 @@ static int __init s3c64xx_init_irq_eint(void)
for (irq = IRQ_EINT(0); irq <= IRQ_EINT(27); irq++) {
set_irq_chip(irq, &s3c_irq_eint);
+ set_irq_chip_data(irq, (void *)eint_irq_to_bit(irq));
set_irq_handler(irq, handle_level_irq);
set_irq_flags(irq, IRQF_VALID);
}