Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm

[linux-2.6] / sound / soc / pxa / pxa2xx-i2s.c

diff --git a/sound/soc/pxa/pxa2xx-i2s.c b/sound/soc/pxa/pxa2xx-i2s.c
index 692b900024891646b96f5f8fb10f7b5339e7c5b2..8f96d87f7b4b0184473f926d42c0cf3740a8f1b7 100644 (file)
--- a/sound/soc/pxa/pxa2xx-i2s.c
+++ b/sound/soc/pxa/pxa2xx-i2s.c
@@ -9,15 +9,13 @@
  *  under  the terms of  the GNU General  Public License as published by the
  *  Free Software Foundation;  either version 2 of the  License, or (at your
  *  option) any later version.
- *
- *  Revision history
- *    12th Aug 2005   Initial version.
  */
 
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/delay.h>
+#include <linux/clk.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/initval.h>
@@ -25,6 +23,7 @@
 
 #include <asm/hardware.h>
 #include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxa2xx-gpio.h>
 #include <asm/arch/audio.h>
 
 #include "pxa2xx-pcm.h"
@@ -39,6 +38,7 @@ struct pxa_i2s_port {
        u32 fmt;
 };
 static struct pxa_i2s_port pxa_i2s;
+static struct clk *clk_i2s;
 
 static struct pxa2xx_pcm_dma_params pxa2xx_i2s_pcm_stereo_out = {
        .name                   = "I2S PCM Stereo out",
@@ -79,7 +79,11 @@ static struct pxa2xx_gpio gpio_bus[] = {
 static int pxa2xx_i2s_startup(struct snd_pcm_substream *substream)
 {
        struct snd_soc_pcm_runtime *rtd = substream->private_data;
-       struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
+       struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
+
+       clk_i2s = clk_get(NULL, "I2SCLK");
+       if (IS_ERR(clk_i2s))
+               return PTR_ERR(clk_i2s);
 
        if (!cpu_dai->active) {
                SACR0 |= SACR0_RST;
@@ -100,7 +104,7 @@ static int pxa_i2s_wait(void)
        return 0;
 }
 
-static int pxa2xx_i2s_set_dai_fmt(struct snd_soc_cpu_dai *cpu_dai,
+static int pxa2xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,
                unsigned int fmt)
 {
        /* interface format */
@@ -126,7 +130,7 @@ static int pxa2xx_i2s_set_dai_fmt(struct snd_soc_cpu_dai *cpu_dai,
        return 0;
 }
 
-static int pxa2xx_i2s_set_dai_sysclk(struct snd_soc_cpu_dai *cpu_dai,
+static int pxa2xx_i2s_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
                int clk_id, unsigned int freq, int dir)
 {
        if (clk_id != PXA2XX_I2S_SYSCLK)
@@ -142,13 +146,13 @@ static int pxa2xx_i2s_hw_params(struct snd_pcm_substream *substream,
                                struct snd_pcm_hw_params *params)
 {
        struct snd_soc_pcm_runtime *rtd = substream->private_data;
-       struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
+       struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
 
        pxa_gpio_mode(gpio_bus[pxa_i2s.master].rx);
        pxa_gpio_mode(gpio_bus[pxa_i2s.master].tx);
        pxa_gpio_mode(gpio_bus[pxa_i2s.master].frm);
        pxa_gpio_mode(gpio_bus[pxa_i2s.master].clk);
-       pxa_set_cken(CKEN_I2S, 1);
+       clk_enable(clk_i2s);
        pxa_i2s_wait();
 
        if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
@@ -233,13 +237,15 @@ static void pxa2xx_i2s_shutdown(struct snd_pcm_substream *substream)
        if (SACR1 & (SACR1_DREC | SACR1_DRPL)) {
                SACR0 &= ~SACR0_ENB;
                pxa_i2s_wait();
-               pxa_set_cken(CKEN_I2S, 0);
+               clk_disable(clk_i2s);
        }
+
+       clk_put(clk_i2s);
 }
 
 #ifdef CONFIG_PM
 static int pxa2xx_i2s_suspend(struct platform_device *dev,
-       struct snd_soc_cpu_dai *dai)
+       struct snd_soc_dai *dai)
 {
        if (!dai->active)
                return 0;
@@ -257,7 +263,7 @@ static int pxa2xx_i2s_suspend(struct platform_device *dev,
 }
 
 static int pxa2xx_i2s_resume(struct platform_device *pdev,
-       struct snd_soc_cpu_dai *dai)
+       struct snd_soc_dai *dai)
 {
        if (!dai->active)
                return 0;
@@ -282,7 +288,7 @@ static int pxa2xx_i2s_resume(struct platform_device *pdev,
                SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
                SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000)
 
-struct snd_soc_cpu_dai pxa_i2s_dai = {
+struct snd_soc_dai pxa_i2s_dai = {
        .name = "pxa2xx-i2s",
        .id = 0,
        .type = SND_SOC_DAI_I2S,