ARM: SAMSUNG: Prepare audio header for new I2S driver

Add new defined and data structures in order to prepare for
new I2S driver.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/arch/arm/plat-samsung/include/plat/audio.h b/arch/arm/plat-samsung/include/plat/audio.h
index 7712ff6336f4..a0826ed2f9fe 100644
--- a/arch/arm/plat-samsung/include/plat/audio.h
+++ b/arch/arm/plat-samsung/include/plat/audio.h
@@ -25,10 +25,34 @@ extern void s3c64xx_ac97_setup_gpio(int);
 #define S5PC100_SPDIF_GPG3 1
 extern void s5pc100_spdif_setup_gpio(int);
 
+struct samsung_i2s {
+/* If the Primary DAI has 5.1 Channels */
+#define QUIRK_PRI_6CHAN         (1 << 0)
+/* If the I2S block has a Stereo Overlay Channel */
+#define QUIRK_SEC_DAI           (1 << 1)
+/*
+ * If the I2S block has no internal prescalar or MUX (I2SMOD[10] bit)
+ * The Machine driver must provide suitably set clock to the I2S block.
+ */
+#define QUIRK_NO_MUXPSR         (1 << 2)
+#define QUIRK_NEED_RSTCLR       (1 << 3)
+        /* Quirks of the I2S controller */
+        u32 quirks;
+
+        /*
+         * Array of clock names that can be used to generate I2S signals.
+         * Also corresponds to clocks of I2SMOD[10]
+         */
+        const char **src_clk;
+};
+
 /**
  * struct s3c_audio_pdata - common platform data for audio device drivers
  * @cfg_gpio: Callback function to setup mux'ed pins in I2S/PCM/AC97 mode
  */
 struct s3c_audio_pdata {
         int (*cfg_gpio)(struct platform_device *);
+        union {
+                struct samsung_i2s i2s;
+        } type;
 };