1 files changed, 56 insertions, 7 deletions

diff --git a/sound/soc/pxa/pxa2xx-i2s.c b/sound/soc/pxa/pxa2xx-i2s.c
index c796b18..2fb5829 100644
--- a/sound/soc/pxa/pxa2xx-i2s.c
+++ b/sound/soc/pxa/pxa2xx-i2s.c
@@ -21,6 +21,7 @@
 #include <sound/pcm.h>
 #include <sound/initval.h>
 #include <sound/soc.h>
+#include <sound/pxa2xx-lib.h>
 
 #include <mach/hardware.h>
 #include <mach/pxa-regs.h>
@@ -30,6 +31,54 @@
 #include "pxa2xx-pcm.h"
 #include "pxa2xx-i2s.h"
 
+struct pxa2xx_gpio {
+	u32 sys;
+	u32	rx;
+	u32 tx;
+	u32 clk;
+	u32 frm;
+};
+
+/*
+ * I2S Controller Register and Bit Definitions
+ */
+#define SACR0		__REG(0x40400000)  /* Global Control Register */
+#define SACR1		__REG(0x40400004)  /* Serial Audio I 2 S/MSB-Justified Control Register */
+#define SASR0		__REG(0x4040000C)  /* Serial Audio I 2 S/MSB-Justified Interface and FIFO Status Register */
+#define SAIMR		__REG(0x40400014)  /* Serial Audio Interrupt Mask Register */
+#define SAICR		__REG(0x40400018)  /* Serial Audio Interrupt Clear Register */
+#define SADIV		__REG(0x40400060)  /* Audio Clock Divider Register. */
+#define SADR		__REG(0x40400080)  /* Serial Audio Data Register (TX and RX FIFO access Register). */
+
+#define SACR0_RFTH(x)	((x) << 12)	/* Rx FIFO Interrupt or DMA Trigger Threshold */
+#define SACR0_TFTH(x)	((x) << 8)	/* Tx FIFO Interrupt or DMA Trigger Threshold */
+#define SACR0_STRF	(1 << 5)	/* FIFO Select for EFWR Special Function */
+#define SACR0_EFWR	(1 << 4)	/* Enable EFWR Function  */
+#define SACR0_RST	(1 << 3)	/* FIFO, i2s Register Reset */
+#define SACR0_BCKD	(1 << 2) 	/* Bit Clock Direction */
+#define SACR0_ENB	(1 << 0)	/* Enable I2S Link */
+#define SACR1_ENLBF	(1 << 5)	/* Enable Loopback */
+#define SACR1_DRPL	(1 << 4) 	/* Disable Replaying Function */
+#define SACR1_DREC	(1 << 3)	/* Disable Recording Function */
+#define SACR1_AMSL	(1 << 0)	/* Specify Alternate Mode */
+
+#define SASR0_I2SOFF	(1 << 7)	/* Controller Status */
+#define SASR0_ROR	(1 << 6)	/* Rx FIFO Overrun */
+#define SASR0_TUR	(1 << 5)	/* Tx FIFO Underrun */
+#define SASR0_RFS	(1 << 4)	/* Rx FIFO Service Request */
+#define SASR0_TFS	(1 << 3)	/* Tx FIFO Service Request */
+#define SASR0_BSY	(1 << 2)	/* I2S Busy */
+#define SASR0_RNE	(1 << 1)	/* Rx FIFO Not Empty */
+#define SASR0_TNF	(1 << 0) 	/* Tx FIFO Not Empty */
+
+#define SAICR_ROR	(1 << 6)	/* Clear Rx FIFO Overrun Interrupt */
+#define SAICR_TUR	(1 << 5)	/* Clear Tx FIFO Underrun Interrupt */
+
+#define SAIMR_ROR	(1 << 6)	/* Enable Rx FIFO Overrun Condition Interrupt */
+#define SAIMR_TUR	(1 << 5)	/* Enable Tx FIFO Underrun Condition Interrupt */
+#define SAIMR_RFS	(1 << 4)	/* Enable Rx FIFO Service Interrupt */
+#define SAIMR_TFS	(1 << 3)	/* Enable Tx FIFO Service Interrupt */
+
 struct pxa_i2s_port {
 	u32 sadiv;
 	u32 sacr0;
@@ -44,7 +93,7 @@ static struct clk *clk_i2s;
 static struct pxa2xx_pcm_dma_params pxa2xx_i2s_pcm_stereo_out = {
 	.name			= "I2S PCM Stereo out",
 	.dev_addr		= __PREG(SADR),
-	.drcmr			= &DRCMRTXSADR,
+	.drcmr			= &DRCMR(3),
 	.dcmd			= DCMD_INCSRCADDR | DCMD_FLOWTRG |
 				  DCMD_BURST32 | DCMD_WIDTH4,
 };
@@ -52,7 +101,7 @@ static struct pxa2xx_pcm_dma_params pxa2xx_i2s_pcm_stereo_out = {
 static struct pxa2xx_pcm_dma_params pxa2xx_i2s_pcm_stereo_in = {
 	.name			= "I2S PCM Stereo in",
 	.dev_addr		= __PREG(SADR),
-	.drcmr			= &DRCMRRXSADR,
+	.drcmr			= &DRCMR(2),
 	.dcmd			= DCMD_INCTRGADDR | DCMD_FLOWSRC |
 				  DCMD_BURST32 | DCMD_WIDTH4,
 };
@@ -65,11 +114,6 @@ static struct pxa2xx_gpio gpio_bus[] = {
 		.frm = GPIO31_SYNC_I2S_MD,
 	},
 	{ /* I2S SoC Master */
-#ifdef CONFIG_PXA27x
-		.sys = GPIO113_I2S_SYSCLK_MD,
-#else
-		.sys = GPIO32_SYSCLK_I2S_MD,
-#endif
 		.rx = GPIO29_SDATA_IN_I2S_MD,
 		.tx = GPIO30_SDATA_OUT_I2S_MD,
 		.clk = GPIO28_BITCLK_OUT_I2S_MD,
@@ -343,6 +387,11 @@ static struct platform_driver pxa2xx_i2s_driver = {
 
 static int __init pxa2xx_i2s_init(void)
 {
+	if (cpu_is_pxa27x())
+		gpio_bus[1].sys = GPIO113_I2S_SYSCLK_MD;
+	else
+		gpio_bus[1].sys = GPIO32_SYSCLK_I2S_MD;
+
 	clk_i2s = ERR_PTR(-ENOENT);
 	return platform_driver_register(&pxa2xx_i2s_driver);
 }