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phonepad: make rt3261 dsp setup speed quickly.

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This commit is contained in:
宋秀杰
2012-11-29 10:17:25 +08:00
parent 94b155a35d
commit 26615fa69c
1 changed files with 20 additions and 59 deletions
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79
sound/soc/codecs/rt3261-dsp.c
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@@ -24,6 +24,8 @@
#include "rt3261.h"
#include "rt3261-dsp.h"
#define INIT_DSP_IN_PROBE
static const u16 rt3261_dsp_init[][2] = {
{0x3fd2, 0x0038}, {0x229C, 0x0fa0}, {0x22d2, 0x8400}, {0x22ee, 0x0000},
{0x22f2, 0x0040}, {0x22f5, 0x8000}, {0x22f6, 0x0000}, {0x22f9, 0x007f},
@@ -916,7 +918,12 @@ static int rt3261_dsp_event(struct snd_soc_dapm_widget *w,
if (!power_on) {
snd_soc_update_bits(codec, RT3261_PWR_DIG2,
RT3261_PWR_I2S_DSP, RT3261_PWR_I2S_DSP);
#ifdef INIT_DSP_IN_PROBE
snd_soc_update_bits(codec, RT3261_DSP_CTRL3,
RT3261_DSP_PD_PIN_MASK, RT3261_DSP_PD_PIN_HI);
#else
rt3261_dsp_snd_effect(codec);
#endif
}
power_on++;
break;
@@ -1165,7 +1172,16 @@ int rt3261_dsp_probe(struct snd_soc_codec *codec)
"Failed to power up DSP IIS interface: %d\n", ret);
}
#ifdef INIT_DSP_IN_PROBE
rt3261_dsp_snd_effect(codec);
ret = rt3261_dsp_read(codec, 0x22fb);
if(ret == 0x5a5a)
pr_info("DSP init success\n");
else
pr_info("DSP init failed\n");
#else
rt3261_dsp_conf(codec);
#endif
ret = rt3261_dsp_read(codec, 0x3800);
pr_info("DSP version code = 0x%04x\n",ret);
/*if(ret != 0x501a) {
@@ -1174,6 +1190,10 @@ int rt3261_dsp_probe(struct snd_soc_codec *codec)
schedule_delayed_work(&rt3261->patch_work,
msecs_to_jiffies(100));
}*/
#ifdef INIT_DSP_IN_PROBE
snd_soc_update_bits(codec, RT3261_DSP_CTRL3,
RT3261_DSP_PD_PIN_MASK, RT3261_DSP_PD_PIN_LO);
#endif
snd_soc_update_bits(codec, RT3261_PWR_DIG2,
RT3261_PWR_I2S_DSP, 0);
@@ -1269,66 +1289,7 @@ EXPORT_SYMBOL_GPL(rt_codec_dsp_ioctl_common);
#ifdef CONFIG_PM
int rt3261_dsp_suspend(struct snd_soc_codec *codec, pm_message_t state)
{
struct rt3261_dsp_param param;
int ret;
if (RT3261_VER_C == snd_soc_read(codec, RT3261_VENDOR_ID))
return 0;
ret = snd_soc_update_bits(codec, RT3261_PWR_DIG2,
RT3261_PWR_I2S_DSP, RT3261_PWR_I2S_DSP);
if (ret < 0) {
dev_err(codec->dev,
"Failed to power up DSP IIS interface: %d\n", ret);
goto rsm_err;
}
ret = snd_soc_update_bits(codec, RT3261_DSP_CTRL3,
RT3261_DSP_PD_PIN_MASK, RT3261_DSP_PD_PIN_HI);
if (ret < 0) {
dev_err(codec->dev, "Failed to power up DSP: %d\n", ret);
goto rsm_err;
}
ret = snd_soc_update_bits(codec, RT3261_DSP_CTRL3,
RT3261_DSP_RST_PIN_MASK, RT3261_DSP_RST_PIN_LO);
if (ret < 0) {
dev_err(codec->dev, "Failed to reset DSP: %d\n", ret);
goto rsm_err;
}
mdelay(10);
ret = snd_soc_update_bits(codec, RT3261_DSP_CTRL3,
RT3261_DSP_RST_PIN_MASK, RT3261_DSP_RST_PIN_HI);
if (ret < 0) {
dev_err(codec->dev, "Failed to recover DSP: %d\n", ret);
goto rsm_err;
}
param.cmd_fmt = 0x00e0;
param.addr = 0x3fd2;
param.data = 0x0030;
param.cmd = RT3261_DSP_CMD_MW;
ret = rt3261_dsp_write(codec, &param);
if (ret < 0) {
dev_err(codec->dev,
"Failed to Power up LDO of Dsp: %d\n", ret);
goto rsm_err;
}
ret = snd_soc_update_bits(codec, RT3261_DSP_CTRL3,
RT3261_DSP_PD_PIN_MASK, RT3261_DSP_PD_PIN_LO);
if (ret < 0) {
dev_err(codec->dev, "Failed to power down DSP: %d\n", ret);
goto rsm_err;
}
return 0;
rsm_err:
return ret;
}
EXPORT_SYMBOL_GPL(rt3261_dsp_suspend);