[alsa-devel] [PATCH 12/25] ARM: S3C64XX: I2S: Upgrade platform device
Jassi Brar
jassisinghbrar at gmail.com
Tue Oct 19 09:07:12 CEST 2010
From: Jassi Brar <jassi.brar at samsung.com>
Add more information to I2S platform_devices in order to
prepare them for new controller driver.
Signed-off-by: Jassi Brar <jassi.brar at samsung.com>
---
arch/arm/mach-s3c64xx/clock.c | 2 +-
arch/arm/mach-s3c64xx/dev-audio.c | 62 +++++++++++++++++++++----------------
2 files changed, 36 insertions(+), 28 deletions(-)
diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c
index 7e03f0a..1c98d2f 100644
--- a/arch/arm/mach-s3c64xx/clock.c
+++ b/arch/arm/mach-s3c64xx/clock.c
@@ -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,
},
diff --git a/arch/arm/mach-s3c64xx/dev-audio.c b/arch/arm/mach-s3c64xx/dev-audio.c
index 01dda91..c2ad04c 100644
--- a/arch/arm/mach-s3c64xx/dev-audio.c
+++ b/arch/arm/mach-s3c64xx/dev-audio.c
@@ -27,7 +27,12 @@
#include <mach/gpio-bank-e.h>
#include <mach/gpio-bank-h.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)
{
switch (pdev->id) {
case 0:
@@ -44,6 +49,15 @@ static int s3c64xx_i2sv3_cfg_gpio(struct platform_device *pdev)
s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C64XX_GPE3_I2S1_DI);
s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_I2S1_D0);
break;
+ case 2:
+ s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C64XX_GPC4_I2S_V40_DO0);
+ s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C64XX_GPC5_I2S_V40_DO1);
+ s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C64XX_GPC7_I2S_V40_DO2);
+ s3c_gpio_cfgpin(S3C64XX_GPH(6), S3C64XX_GPH6_I2S_V40_BCLK);
+ s3c_gpio_cfgpin(S3C64XX_GPH(7), S3C64XX_GPH7_I2S_V40_CDCLK);
+ s3c_gpio_cfgpin(S3C64XX_GPH(8), S3C64XX_GPH8_I2S_V40_LRCLK);
+ s3c_gpio_cfgpin(S3C64XX_GPH(9), S3C64XX_GPH9_I2S_V40_DI);
+ break;
default:
printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
pdev->id);
@@ -53,19 +67,6 @@ 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), S3C64XX_GPC4_I2S_V40_DO0);
- s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C64XX_GPC5_I2S_V40_DO1);
- s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C64XX_GPC7_I2S_V40_DO2);
- s3c_gpio_cfgpin(S3C64XX_GPH(6), S3C64XX_GPH6_I2S_V40_BCLK);
- s3c_gpio_cfgpin(S3C64XX_GPH(7), S3C64XX_GPH7_I2S_V40_CDCLK);
- s3c_gpio_cfgpin(S3C64XX_GPH(8), S3C64XX_GPH8_I2S_V40_LRCLK);
- s3c_gpio_cfgpin(S3C64XX_GPH(9), S3C64XX_GPH9_I2S_V40_DI);
-
- return 0;
-}
-
static struct resource s3c64xx_iis0_resource[] = {
[0] = {
.start = S3C64XX_PA_IIS0,
@@ -84,8 +85,13 @@ 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 = {
@@ -94,7 +100,7 @@ struct platform_device s3c64xx_device_iis0 = {
.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);
@@ -117,17 +123,13 @@ 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 = "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);
@@ -150,17 +152,23 @@ 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 = "samsung-i2s-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);
--
1.6.2.5
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