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Diffstat (limited to 'sound/soc/s3c24xx/s3c-i2s-v2.h')
-rw-r--r--sound/soc/s3c24xx/s3c-i2s-v2.h15
1 files changed, 14 insertions, 1 deletions
diff --git a/sound/soc/s3c24xx/s3c-i2s-v2.h b/sound/soc/s3c24xx/s3c-i2s-v2.h
index ecf8eaaed1db..766f43a13d8b 100644
--- a/sound/soc/s3c24xx/s3c-i2s-v2.h
+++ b/sound/soc/s3c24xx/s3c-i2s-v2.h
@@ -25,10 +25,20 @@
#define S3C_I2SV2_DIV_RCLK (2)
#define S3C_I2SV2_DIV_PRESCALER (3)
+#define S3C_I2SV2_CLKSRC_PCLK 0
+#define S3C_I2SV2_CLKSRC_AUDIOBUS 1
+#define S3C_I2SV2_CLKSRC_CDCLK 2
+
+/* Set this flag for I2S controllers that have the bit IISMOD[12]
+ * bridge/break RCLK signal and external Xi2sCDCLK pin.
+ */
+#define S3C_FEATURE_CDCLKCON (1 << 0)
+
/**
* struct s3c_i2sv2_info - S3C I2S-V2 information
* @dev: The parent device passed to use from the probe.
* @regs: The pointer to the device registe block.
+ * @feature: Set of bit-flags indicating features of the controller.
* @master: True if the I2S core is the I2S bit clock master.
* @dma_playback: DMA information for playback channel.
* @dma_capture: DMA information for capture channel.
@@ -43,9 +53,10 @@ struct s3c_i2sv2_info {
struct device *dev;
void __iomem *regs;
+ u32 feature;
+
struct clk *iis_pclk;
struct clk *iis_cclk;
- struct clk *iis_clk;
unsigned char master;
@@ -57,6 +68,8 @@ struct s3c_i2sv2_info {
u32 suspend_iispsr;
};
+extern struct clk *s3c_i2sv2_get_clock(struct snd_soc_dai *cpu_dai);
+
struct s3c_i2sv2_rate_calc {
unsigned int clk_div; /* for prescaler */
unsigned int fs_div; /* for root frame clock */