* 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>
#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"
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",
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;
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 */
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)
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)
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;
}
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;
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,