1 files changed, 58 insertions, 9 deletions

diff --git a/sound/soc/pxa/pxa2xx-i2s.c b/sound/soc/pxa/pxa2xx-i2s.c
index c796b1882776..e758034db5c3 100644
--- a/sound/soc/pxa/pxa2xx-i2s.c
+++ b/sound/soc/pxa/pxa2xx-i2s.c
@@ -3,7 +3,7 @@
  *
  * Copyright 2005 Wolfson Microelectronics PLC.
  * Author: Liam Girdwood
- *         liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *         lrg@slimlogic.co.uk
  *
  *  This program is free software; you can redistribute  it and/or modify it
  *  under  the terms of  the GNU General  Public License as published by the
@@ -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);
 }
@@ -356,6 +405,6 @@ module_init(pxa2xx_i2s_init);
 module_exit(pxa2xx_i2s_exit);
 
 /* Module information */
-MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk");
 MODULE_DESCRIPTION("pxa2xx I2S SoC Interface");
 MODULE_LICENSE("GPL");