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- /*
- * rt5627.c -- RT5627/RT5628 ALSA Soc Audio driver
- *
- * Copyright 2008 Realtek Microelectronics
- *
- * Author: flove <flove@realtek.com>
- *
- * Based on WM8753.c
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
- #include <linux/module.h>
- #include <linux/moduleparam.h>
- #include <linux/version.h>
- #include <linux/kernel.h>
- #include <linux/init.h>
- #include <linux/delay.h>
- #include <linux/pm.h>
- #include <linux/i2c.h>
- #include <linux/platform_device.h>
- #include <sound/driver.h>
- #include <sound/core.h>
- #include <sound/pcm.h>
- #include <sound/pcm_params.h>
- #include <sound/soc.h>
- #include <sound/soc-dapm.h>
- #include <sound/initval.h>
- #include <asm/div64.h>
- #include "rt5627.h"
- #define AUDIO_NAME "rt5627"
- #define RT5627_VERSION "0.01"
- /*
- * Debug
- */
- #ifdef CONFIG_SND_DEBUG
- #define s3cdbg(x...) printk(x)
- #else
- #define s3cdbg(x...)
- #endif
- #define RT5627_DEBUG 0
- #ifdef RT5627_DEBUG
- #define dbg(format, arg...) \
- printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg)
- #else
- #define dbg(format, arg...) do {} while (0)
- #endif
- #define err(format, arg...) \
- printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg)
- #define info(format, arg...) \
- printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg)
- #define warn(format, arg...) \
- printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg)
- static int caps_charge = 2000;
- module_param(caps_charge, int, 0);
- MODULE_PARM_DESC(caps_charge, "RT5627 cap charge time (msecs)");
- //HIKO DEBUG: for REALTEK 5627 on ebook proj
- //#include <asm/hardware.h>
- //#include <asm-arm/arch-s3c2410/regs-gpio.h>
- /* codec private data */
- struct rt5627_priv {
- unsigned int sysclk;
- };
- static struct snd_soc_device *rt5627_socdev;
- /*
- * rt5627 register cache
- * We can't read the RT5627 register space when we
- * are using 2 wire for device control, so we cache them instead.
- */
- static const u16 rt5627_reg[0x7E/2];
- /* virtual HP mixers regs */
- #define HPL_MIXER 0x80
- #define HPR_MIXER 0x82
- static u16 reg80=0,reg82=0;
- u16 Set_Codec_Reg_Init[][2]={
- {RT5627_STEREO_DAC_VOL ,0x1010},//default stereo DAC volume to 0db
- {RT5627_OUTPUT_MIXER_CTRL,0x0704},//default output mixer control
- {RT5627_GEN_CTRL ,0x0b00},//set Class D Vmid ratio is 1VDD and DAC have high pass filter
- {RT5627_AUDIO_DATA_CTRL ,0x8000},//set I2S codec to slave mode
- {RT5627_SPK_OUT_VOL ,0x8080},//default speaker volume to 0db
- {RT5627_HP_OUT_VOL ,0x8888},//default HP volume to -12db
- };
- #define SET_CODEC_REG_INIT_NUM ARRAY_SIZE(Set_Codec_Reg_Init)
- /*
- * read rt5627 register cache
- */
- static inline unsigned int rt5627_read_reg_cache(struct snd_soc_codec *codec,
- unsigned int reg)
- {
- u16 *cache = codec->reg_cache;
- if (reg < 1 || reg > (ARRAY_SIZE(rt5627_reg) + 1))
- return -1;
- return cache[reg/2];
- }
- /*
- * write rt5627 register cache
- */
- static inline void rt5627_write_reg_cache(struct snd_soc_codec *codec,
- unsigned int reg, unsigned int value)
- {
- u16 *cache = codec->reg_cache;
- if (reg < 0 || reg > 0x7e)
- return;
- cache[reg/2] = value;
- }
- static int rt5627_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value)
- {
- u8 data[3];
- if(reg>0x7E)
- {
- if(reg==HPL_MIXER)
- reg80=value;
- else if(reg==HPR_MIXER)
- reg82=value;
- else
- return -EIO;
-
- return 0;
- }
- printk("rt5627 write reg=%x,value=%x\n",reg,value);
- data[0] = reg;
- data[1] = (0xFF00 & value) >> 8;
- data[2] = 0x00FF & value;
- if (codec->hw_write(codec->control_data, data, 3) == 3)
- {
- rt5627_write_reg_cache (codec, reg, value);
- // printk("rt5627 write OK\n");
- return 0;
- }
- else
- {
- printk("rt5627 write faile\n");
- return -EIO;
- }
- }
- static unsigned int rt5627_read(struct snd_soc_codec *codec, unsigned int reg)
- {
- u8 data[2]={0};
- unsigned int value=0x0;
- if(reg>0x7E)
- {
- if(reg==HPL_MIXER)
- return reg80;
- else if(reg==HPR_MIXER)
- return reg82;
- else
- return -EIO;
-
- return -EIO;
- }
- data[0] = reg;
- if(codec->hw_write(codec->control_data, data, 1) ==1)
- {
- codec->hw_read(codec->control_data, data, 2);
- value = (data[0]<<8) | data[1];
- printk("rt5627 read reg%x=%x\n",reg,value);
-
- return value;
- }
- else
- {
- printk("rt5627 read faile\n");
- return -EIO;
- }
- }
- static int rt5627_write_mask(struct snd_soc_codec *codec, unsigned int reg,unsigned int value,unsigned int mask)
- {
-
- unsigned char RetVal=0;
- unsigned int CodecData;
- if(!mask)
- return 0;
- if(mask!=0xffff)
- {
- CodecData=rt5627_read(codec,reg);
- CodecData&=~mask;
- CodecData|=(value&mask);
- RetVal=rt5627_write(codec,reg,CodecData);
- }
- else
- {
- RetVal=rt5627_write(codec,reg,value);
- }
- return RetVal;
- }
- static int rt5627_ChangeCodecPowerStatus(struct snd_soc_codec *codec,int power_state)
- {
- unsigned short int PowerDownState=0;
- switch(power_state)
- {
- case POWER_STATE_D0: //FULL ON-----power on all power
-
- rt5627_write(codec,RT5627_PWR_MANAG_ADD1,~PowerDownState);
- rt5627_write(codec,RT5627_PWR_MANAG_ADD2,~PowerDownState);
- rt5627_write(codec,RT5627_PWR_MANAG_ADD3,~PowerDownState);
- break;
- case POWER_STATE_D1: //LOW ON-----
-
- rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD2,PWR_VREF |PWR_DAC_REF_CIR |PWR_L_DAC_CLK |PWR_R_DAC_CLK|PWR_L_DAC_L_D_S|PWR_R_DAC_R_D_S |PWR_L_HP_MIXER |PWR_R_HP_MIXER|PWR_SPK_MIXER|PWR_CLASS_D
- ,PWR_VREF |PWR_DAC_REF_CIR |PWR_L_DAC_CLK |PWR_R_DAC_CLK|PWR_L_DAC_L_D_S|PWR_R_DAC_R_D_S |PWR_L_HP_MIXER |PWR_R_HP_MIXER|PWR_SPK_MIXER|PWR_CLASS_D);
-
- rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD1,PWR_MAIN_I2S_EN|PWR_HP_AMP|PWR_HP_ENH_AMP
- ,PWR_MAIN_I2S_EN|PWR_HP_AMP|PWR_HP_ENH_AMP);
- rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD3,PWR_MAIN_BIAS|PWR_HP_R_OUT_VOL_AMP|PWR_HP_L_OUT_VOL_AMP|PWR_SPK_OUT
- ,PWR_MAIN_BIAS|PWR_HP_R_OUT_VOL_AMP|PWR_HP_L_OUT_VOL_AMP|PWR_SPK_OUT);
- break;
- case POWER_STATE_D1_PLAYBACK: //Low on of Playback
- rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD1,PWR_MAIN_I2S_EN|PWR_HP_AMP|PWR_HP_ENH_AMP
- ,PWR_MAIN_I2S_EN|PWR_HP_AMP|PWR_HP_ENH_AMP);
-
- rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD2,PWR_VREF|PWR_DAC_REF_CIR|PWR_L_DAC_CLK|PWR_R_DAC_CLK|PWR_L_DAC_L_D_S|PWR_R_DAC_R_D_S|PWR_L_HP_MIXER|PWR_R_HP_MIXER|PWR_SPK_MIXER|PWR_CLASS_D
- ,PWR_VREF|PWR_DAC_REF_CIR|PWR_L_DAC_CLK|PWR_R_DAC_CLK|PWR_L_DAC_L_D_S|PWR_R_DAC_R_D_S|PWR_L_HP_MIXER|PWR_R_HP_MIXER|PWR_SPK_MIXER|PWR_CLASS_D);
- rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD3,PWR_MAIN_BIAS|PWR_HP_R_OUT_VOL_AMP|PWR_HP_L_OUT_VOL_AMP|PWR_SPK_OUT
- ,PWR_MAIN_BIAS|PWR_HP_R_OUT_VOL_AMP|PWR_HP_L_OUT_VOL_AMP|PWR_SPK_OUT);
- break;
-
- case POWER_STATE_D1_RECORD: //Low on of Record
- //ALC5627 don't support record function
- break;
-
- case POWER_STATE_D2: //STANDBY----
- //
- rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD1,0,PWR_MAIN_I2S_EN|PWR_HP_AMP|PWR_HP_ENH_AMP);
- //
- rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD2,0,PWR_DAC_REF_CIR |PWR_L_DAC_CLK |PWR_R_DAC_CLK |PWR_L_DAC_L_D_S|PWR_R_DAC_R_D_S|PWR_L_HP_MIXER |PWR_R_HP_MIXER|PWR_SPK_MIXER|PWR_CLASS_D);
- rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD3,0,PWR_HP_R_OUT_VOL_AMP|PWR_HP_L_OUT_VOL_AMP|PWR_SPK_OUT);
-
- break;
- case POWER_STATE_D2_PLAYBACK: //STANDBY of playback
- rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD3,0,/*PWR_HP_R_OUT_VOL_AMP|PWR_HP_L_OUT_VOL_AMP|*/PWR_SPK_OUT);
- rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD1,0,PWR_HP_AMP|PWR_HP_ENH_AMP);
- //
- rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD2,0,PWR_DAC_REF_CIR|PWR_L_DAC_CLK|PWR_R_DAC_CLK|PWR_L_DAC_L_D_S|PWR_R_DAC_R_D_S|PWR_L_HP_MIXER|PWR_R_HP_MIXER|PWR_SPK_MIXER|PWR_CLASS_D );
- break;
- case POWER_STATE_D3: //SLEEP
- case POWER_STATE_D4: //OFF----power off all power
- rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD1,0,PWR_HP_AMP|PWR_HP_ENH_AMP);
- rt5627_write(codec,RT5627_PWR_MANAG_ADD3,PowerDownState);
- rt5627_write(codec,RT5627_PWR_MANAG_ADD1,PowerDownState);
- rt5627_write(codec,RT5627_PWR_MANAG_ADD2,PowerDownState);
-
- break;
- default:
- break;
- }
- return 0;
- }
- static int rt5627_AudioOutEnable(struct snd_soc_codec *codec,unsigned short int WavOutPath,int Mute)
- {
- int RetVal=0;
- if(Mute)
- {
- switch(WavOutPath)
- {
- case RT_WAVOUT_ALL_ON:
- RetVal=rt5627_write_mask(codec,RT5627_SPK_OUT_VOL,RT_L_MUTE|RT_R_MUTE,RT_L_MUTE|RT_R_MUTE); //Mute Speaker right/left channel
- RetVal=rt5627_write_mask(codec,RT5627_HP_OUT_VOL,RT_L_MUTE|RT_R_MUTE,RT_L_MUTE|RT_R_MUTE); //Mute headphone right/left channel
- RetVal=rt5627_write_mask(codec,RT5627_STEREO_DAC_VOL,RT_M_HP_MIXER|RT_M_SPK_MIXER
- ,RT_M_HP_MIXER|RT_M_SPK_MIXER); //Mute DAC to HP,Speaker
-
- break;
-
- case RT_WAVOUT_HP:
- RetVal=rt5627_write_mask(codec,RT5627_HP_OUT_VOL,RT_L_MUTE|RT_R_MUTE,RT_L_MUTE|RT_R_MUTE); //Mute headphone right/left channel
-
- break;
- case RT_WAVOUT_SPK:
-
- RetVal=rt5627_write_mask(codec,RT5627_SPK_OUT_VOL,RT_L_MUTE|RT_R_MUTE,RT_L_MUTE|RT_R_MUTE); //Mute Speaker right/left channel
- break;
- case RT_WAVOUT_DAC:
- RetVal=rt5627_write_mask(codec,RT5627_STEREO_DAC_VOL,RT_M_HP_MIXER|RT_M_SPK_MIXER
- ,RT_M_HP_MIXER|RT_M_SPK_MIXER); //Mute DAC to HP,Speaker
- break;
- default:
- return 0;
- }
- }
- else
- {
- switch(WavOutPath)
- {
- case RT_WAVOUT_ALL_ON:
- RetVal=rt5627_write_mask(codec,RT5627_SPK_OUT_VOL ,0,RT_L_MUTE|RT_R_MUTE); //Mute Speaker right/left channel
- RetVal=rt5627_write_mask(codec,RT5627_HP_OUT_VOL ,0,RT_L_MUTE|RT_R_MUTE); //Mute headphone right/left channel
- RetVal=rt5627_write_mask(codec,RT5627_STEREO_DAC_VOL,0,RT_M_HP_MIXER|RT_M_SPK_MIXER); //Mute DAC to HP,Speaker
-
- break;
-
- case RT_WAVOUT_HP:
- RetVal=rt5627_write_mask(codec,RT5627_HP_OUT_VOL,0,RT_L_MUTE|RT_R_MUTE); //unMute headphone right/left channel
-
- break;
- case RT_WAVOUT_SPK:
-
- RetVal=rt5627_write_mask(codec,RT5627_SPK_OUT_VOL,0,RT_L_MUTE|RT_R_MUTE); //unMute Speaker right/left channel
- break;
- case RT_WAVOUT_DAC:
- RetVal=rt5627_write_mask(codec,RT5627_STEREO_DAC_VOL,0,RT_M_HP_MIXER|RT_M_SPK_MIXER); //unMute DAC to HP,Speaker
- break;
- default:
- return 0;
- }
- }
-
- return RetVal;
- }
- #define rt5627_reset(c) rt5627_write(c, 0x0, 0)
- /*
- * RT5627 Controls
- */
- static const char *rt5627_spk_n_sour_sel[] = {"RN","RP","LN","MUTE"};
- static const char *rt5627_spkout_input_sel[] = {"Vmid","HP mixer","Speaker Mixer"};
- static const char *rt5627_hpl_out_input_sel[] = {"Vmid","HP Left mixer"};
- static const char *rt5627_hpr_out_input_sel[] = {"Vmid","HP Right mixer"};
- static const char *rt5627_class_d_ratio_sel[] = {"2.25vdd","2.00vdd","1.75vdd","1.5vdd","1.25vdd","1.0vdd"};
- static const struct soc_enum rt5627_enum[] = {
- SOC_ENUM_SINGLE(RT5627_OUTPUT_MIXER_CTRL, 14, 4, rt5627_spk_n_sour_sel),// 0
- SOC_ENUM_SINGLE(RT5627_OUTPUT_MIXER_CTRL, 10, 3, rt5627_spkout_input_sel),// 1
- SOC_ENUM_SINGLE(RT5627_OUTPUT_MIXER_CTRL, 9, 2, rt5627_hpl_out_input_sel),// 2
- SOC_ENUM_SINGLE(RT5627_OUTPUT_MIXER_CTRL, 8, 2, rt5627_hpr_out_input_sel),// 3
- SOC_ENUM_SINGLE(RT5627_GEN_CTRL, 9, 6, rt5627_class_d_ratio_sel),// 4
- };
- static const struct snd_kcontrol_new rt5627_snd_controls[] = {
- SOC_DOUBLE("Speaker Playback Volume", RT5627_SPK_OUT_VOL, 8, 0, 31, 1),
- SOC_DOUBLE("Speaker Playback Switch", RT5627_SPK_OUT_VOL, 15, 7, 1, 1),
- SOC_DOUBLE("Headphone Playback Volume", RT5627_HP_OUT_VOL, 8, 0, 31, 1),
- SOC_DOUBLE("Headphone Playback Switch", RT5627_HP_OUT_VOL,15, 7, 1, 1),
- SOC_DOUBLE("PCM Playback Volume", RT5627_STEREO_DAC_VOL, 8, 0, 31, 1),
- SOC_DOUBLE("PCM Playback Switch", RT5627_STEREO_DAC_VOL,15, 7, 1, 1),
- SOC_DOUBLE("LineIn Capture Volume", RT5627_LINE_IN_VOL, 8, 0, 31, 1),
- SOC_DOUBLE("AuxIn Capture Volume", RT5627_AUXIN_VOL, 8, 0, 31, 1),
- SOC_ENUM("Class D AMP ratio", rt5627_enum[4]),
- };
- /* add non dapm controls */
- static int rt5627_add_controls(struct snd_soc_codec *codec)
- {
- int err, i;
- for (i = 0; i < ARRAY_SIZE(rt5627_snd_controls); i++) {
- err = snd_ctl_add(codec->card,
- snd_soc_cnew(&rt5627_snd_controls[i],codec, NULL));
- if (err < 0)
- return err;
- }
- return 0;
- }
- /*
- * _DAPM_ Controls
- */
- /* We have to create a fake left and right HP mixers because
- * the codec only has a single control that is shared by both channels.
- * This makes it impossible to determine the audio path using the current
- * register map, thus we add a new (virtual) register to help determine the
- * audio route within the device.
- */
- static int mixer_event (struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *kcontrol, int event)
- {
- u16 l=0, r=0, lineIn,auxin,pcm;
- struct snd_soc_device *socdev = rt5627_socdev;
- struct snd_soc_codec *codec = socdev->codec;
-
- l = rt5627_read(codec, HPL_MIXER);
- r = rt5627_read(codec, HPR_MIXER);
- lineIn = rt5627_read(codec, RT5627_LINE_IN_VOL);
- auxin = rt5627_read(codec,RT5627_AUXIN_VOL);
- pcm = rt5627_read(codec, RT5627_STEREO_DAC_VOL);
- if (event & SND_SOC_DAPM_PRE_REG)
- return 0;
- if (l & 0x1 || r & 0x1)
- rt5627_write(codec, RT5627_STEREO_DAC_VOL, pcm & 0x7fff);
- else
- rt5627_write(codec, RT5627_STEREO_DAC_VOL, pcm | 0x8000);
- if (l & 0x2 || r & 0x2)
- rt5627_write(codec, RT5627_AUXIN_VOL, auxin & 0x7fff);
- else
- rt5627_write(codec, RT5627_AUXIN_VOL, auxin | 0x8000);
- if (l & 0x4 || r & 0x4)
- rt5627_write(codec, RT5627_LINE_IN_VOL, lineIn & 0x7fff);
- else
- rt5627_write(codec, RT5627_LINE_IN_VOL, lineIn | 0x8000);
- return 0;
- }
- /* Left Headphone Mixers */
- static const struct snd_kcontrol_new rt5627_hpl_mixer_controls[] = {
- SOC_DAPM_SINGLE("LineIn Playback Switch", HPL_MIXER, 2, 1, 0),
- SOC_DAPM_SINGLE("AUXIN Playback Switch", HPL_MIXER, 1, 1, 0),
- SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 0, 1, 0),
- };
- /* Right Headphone Mixers */
- static const struct snd_kcontrol_new rt5627_hpr_mixer_controls[] = {
- SOC_DAPM_SINGLE("LineIn Playback Switch", HPR_MIXER, 2, 1, 0),
- SOC_DAPM_SINGLE("AUXIN Playback Switch", HPR_MIXER, 1, 1, 0),
- SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 0, 1, 0),
- };
- /* Speaker Mixer */
- static const struct snd_kcontrol_new rt5627_speaker_mixer_controls[] = {
- SOC_DAPM_SINGLE("LineIn Playback Switch", RT5627_LINE_IN_VOL, 14, 1, 1),
- SOC_DAPM_SINGLE("AuxIn Playback Switch", RT5627_AUXIN_VOL, 14, 1, 1),
- SOC_DAPM_SINGLE("PCM Playback Switch", RT5627_STEREO_DAC_VOL, 14, 1, 1),
- };
- /* speaker output mux */
- static const struct snd_kcontrol_new rt5627_spkout_mux_controls =
- SOC_DAPM_ENUM("Route", rt5627_enum[2]);
- /* headphone left output mux */
- static const struct snd_kcontrol_new rt5627_hpl_out_mux_controls =
- SOC_DAPM_ENUM("Route", rt5627_enum[3]);
- /* headphone right output mux */
- static const struct snd_kcontrol_new rt5627_hpr_out_mux_controls =
- SOC_DAPM_ENUM("Route", rt5627_enum[4]);
- static const struct snd_soc_dapm_widget rt5627_dapm_widgets[] = {
- SND_SOC_DAPM_MUX("Speaker Out Mux", SND_SOC_NOPM, 0, 0,
- &rt5627_spkout_mux_controls),
- SND_SOC_DAPM_MUX("Left Headphone Out Mux", SND_SOC_NOPM, 0, 0,
- &rt5627_hpl_out_mux_controls),
- SND_SOC_DAPM_MUX("Right Headphone Out Mux", SND_SOC_NOPM, 0, 0,
- &rt5627_hpr_out_mux_controls),
- SND_SOC_DAPM_MIXER_E("Left HP Mixer",RT5627_PWR_MANAG_ADD2, 5, 0,
- &rt5627_hpl_mixer_controls[0], ARRAY_SIZE(rt5627_hpl_mixer_controls),
- mixer_event, SND_SOC_DAPM_POST_REG),
- SND_SOC_DAPM_MIXER_E("Right HP Mixer",RT5627_PWR_MANAG_ADD2, 4, 0,
- &rt5627_hpr_mixer_controls[0], ARRAY_SIZE(rt5627_hpr_mixer_controls),
- mixer_event, SND_SOC_DAPM_POST_REG),
- SND_SOC_DAPM_MIXER("Speaker Mixer", RT5627_PWR_MANAG_ADD2,3,0,
- &rt5627_speaker_mixer_controls[0],
- ARRAY_SIZE(rt5627_speaker_mixer_controls)),
- SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", RT5627_PWR_MANAG_ADD2,9, 0),
- SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", RT5627_PWR_MANAG_ADD2, 8, 0),
- SND_SOC_DAPM_MIXER("IIS Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
- SND_SOC_DAPM_MIXER("HP Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
- SND_SOC_DAPM_MIXER("AuxIn Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
- SND_SOC_DAPM_MIXER("Line Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Left Headphone", RT5627_PWR_MANAG_ADD3, 10, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Right Headphone", RT5627_PWR_MANAG_ADD3, 9, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Speaker Out", RT5627_PWR_MANAG_ADD3, 12, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Left Aux Out", RT5627_PWR_MANAG_ADD3, 14, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Right Aux Out", RT5627_PWR_MANAG_ADD3, 13, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Left Line In", RT5627_PWR_MANAG_ADD3, 7, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Right Line In", RT5627_PWR_MANAG_ADD3, 6, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Left Aux In",RT5627_PWR_MANAG_ADD3, 5, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Right Aux In",RT5627_PWR_MANAG_ADD3, 4, 0, NULL, 0),
- SND_SOC_DAPM_OUTPUT("HPL"),
- SND_SOC_DAPM_OUTPUT("HPR"),
- SND_SOC_DAPM_OUTPUT("SPKOUT"),
- SND_SOC_DAPM_INPUT("LINEL"),
- SND_SOC_DAPM_INPUT("LINER"),
- SND_SOC_DAPM_INPUT("AUXINL"),
- SND_SOC_DAPM_INPUT("AUXINR"),
- SND_SOC_DAPM_VMID("VMID"),
- };
- static const char *audio_map[][3] = {
- /* left HP mixer */
- {"Left HP Mixer", "LineIn Playback Switch", "LINEL"},
- {"Left HP Mixer", "AuxIn Playback Switch","AUXIN"},
- {"Left HP Mixer", "PCM Playback Switch","Left DAC"},
-
- /* right HP mixer */
- {"Right HP Mixer", "LineIn Playback Switch", "LINER"},
- {"Right HP Mixer", "AuxIn Playback Switch","AUXIN"},
- {"Right HP Mixer", "PCM Playback Switch","Right DAC"},
-
- /* virtual mixer - mixes left & right channels for spk and mono */
- {"IIS Mixer", NULL, "Left DAC"},
- {"IIS Mixer", NULL, "Right DAC"},
- {"Line Mixer", NULL, "Right Line In"},
- {"Line Mixer", NULL, "Left Line In"},
- {"HP Mixer", NULL, "Left HP Mixer"},
- {"HP Mixer", NULL, "Right HP Mixer"},
- {"AuxIn Mixer",NULL,"Left Aux In"},
- {"AuxIn Mixer",NULL,"Right Aux In"},
-
- /* speaker mixer */
- {"Speaker Mixer", "LineIn Playback Switch","Line Mixer"},
- {"Speaker Mixer", "AuxIn Playback Switch","AuxIn Mixer"},
- {"Speaker Mixer", "PCM Playback Switch","IIS Mixer"},
- /* headphone left mux */
- {"Left Headphone Out Mux", "HP Left mixer", "Left HP Mixer"},
- /* headphone right mux */
- {"Right Headphone Out Mux", "HP Right mixer", "Right HP Mixer"},
- /* speaker out mux */
- {"Speaker Out Mux", "HP mixer", "HP Mixer"},
- {"Speaker Out Mux", "Speaker Mixer", "Speaker Mixer"},
-
- /* output pga */
- {"HPL", NULL, "Left Headphone"},
- {"Left Headphone", NULL, "Left Headphone Out Mux"},
- {"HPR", NULL, "Right Headphone"},
- {"Right Headphone", NULL, "Right Headphone Out Mux"},
- {"SPKOUT", NULL, "Speaker Out"},
- {"Speaker Out", NULL, "Speaker Out Mux"},
- /* input pga */
- {"Left Line In", NULL, "LINEL"},
- {"Right Line In", NULL, "LINER"},
- {"Left Aux In", NULL, "AUXINL"},
- {"Right Aux In", NULL, "AUXINR"},
-
- /* terminator */
- {NULL, NULL, NULL},
- };
- static int rt5627_add_widgets(struct snd_soc_codec *codec)
- {
- int i;
- for (i = 0; i < ARRAY_SIZE(rt5627_dapm_widgets); i++)
- snd_soc_dapm_new_control(codec, &rt5627_dapm_widgets[i]);
- /* set up the RT5627 audio map */
- for (i = 0; audio_map[i][0] != NULL; i++) {
- snd_soc_dapm_connect_input(codec, audio_map[i][0],
- audio_map[i][1], audio_map[i][2]);
- }
- snd_soc_dapm_new_widgets(codec);
- return 0;
- }
- /* PLL divisors */
- struct _pll_div {
- u32 pll_in;
- u32 pll_out;
- u16 regvalue;
- };
- static const struct _pll_div codec_master_pll_div[] = {
-
- { 2048000, 8192000, 0x0ea0},
- { 3686400, 8192000, 0x4e27},
- { 12000000, 8192000, 0x456b},
- { 13000000, 8192000, 0x495f},
- { 13100000, 8192000, 0x0320},
- { 2048000, 11289600, 0xf637},
- { 3686400, 11289600, 0x2f22},
- { 12000000, 11289600, 0x3e2f},
- { 13000000, 11289600, 0x4d5b},
- { 13100000, 11289600, 0x363b},
- { 2048000, 16384000, 0x1ea0},
- { 3686400, 16384000, 0x9e27},
- { 12000000, 16384000, 0x452b},
- { 13000000, 16384000, 0x542f},
- { 13100000, 16384000, 0x03a0},
- { 2048000, 16934400, 0xe625},
- { 3686400, 16934400, 0x9126},
- { 12000000, 16934400, 0x4d2c},
- { 13000000, 16934400, 0x742f},
- { 13100000, 16934400, 0x3c27},
- { 2048000, 22579200, 0x2aa0},
- { 3686400, 22579200, 0x2f20},
- { 12000000, 22579200, 0x7e2f},
- { 13000000, 22579200, 0x742f},
- { 13100000, 22579200, 0x3c27},
- { 2048000, 24576000, 0x2ea0},
- { 3686400, 24576000, 0xee27},
- { 12000000, 24576000, 0x2915},
- { 13000000, 24576000, 0x772e},
- { 13100000, 24576000, 0x0d20},
- };
- static const struct _pll_div codec_slave_pll_div[] = {
-
- { 1024000, 16384000, 0x3ea0},
- { 1411200, 22579200, 0x3ea0},
- { 1536000, 24576000, 0x3ea0},
- { 2048000, 16384000, 0x1ea0},
- { 2822400, 22579200, 0x1ea0},
- { 3072000, 24576000, 0x1ea0},
-
- };
- static int rt5627_set_dai_pll(struct snd_soc_codec_dai *codec_dai,
- int pll_id, unsigned int freq_in, unsigned int freq_out)
- {
- int i;
- struct snd_soc_codec *codec = codec_dai->codec;
- if (pll_id < RT5627_PLL_FR_MCLK || pll_id > RT5627_PLL_FR_BCK)
- return -ENODEV;
- rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD2, 0x0000,0x1000); //disable PLL power
-
- if (!freq_in || !freq_out) {
- return 0;
- }
- if (pll_id == RT5627_PLL_FR_MCLK) { //codec is master mode
- //HIKO DEBUG:
- printk("[HIKO AUDIO]pll_id == RT5627_PLL_FR_MCLK");
- for (i = 0; i < ARRAY_SIZE(codec_master_pll_div); i++) {
-
- if (codec_master_pll_div[i].pll_in == freq_in && codec_master_pll_div[i].pll_out == freq_out)
- {
- //HIKO DEBUG:
- printk("[HIKO AUDIO]i==0x%X", i);
- rt5627_write(codec,RT5627_GLOBAL_CLK_CTRL,0x8000);//PLL source from MCLK,Clock source from PLL
-
- rt5627_write(codec,RT5627_PLL_CTRL,codec_master_pll_div[i].regvalue);//set PLL parameter
-
- rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD2, 0x1000,0x1000); //enable PLL power
-
- break;
- }
- }
-
- } else { //codec is slave mode
- //HIKO DEBUG:
- printk("[HIKO AUDIO]pll_id != RT5627_PLL_FR_MCLK");
- for (i = 0; i < ARRAY_SIZE(codec_slave_pll_div); i++) {
-
- if (codec_slave_pll_div[i].pll_in == freq_in && codec_slave_pll_div[i].pll_out == freq_out)
- {
- //HIKO DEBUG:
- printk("[HIKO AUDIO]i==0x%X", i);
- rt5627_write(codec,RT5627_GLOBAL_CLK_CTRL,0xC000);//PLL source from Bitclk
-
- rt5627_write(codec,RT5627_PLL_CTRL,codec_master_pll_div[i].regvalue);//set PLL parameter
-
- rt5627_write_mask(codec,RT5627_PWR_MANAG_ADD2, 0x1000,0x1000); //enable PLL power
-
- break;
- }
- }
- }
-
- return 0;
- }
- struct _coeff_div {
- u32 mclk;
- u32 rate;
- u16 fs;
- u16 regvalue;
- };
- /* codec hifi mclk (after PLL) clock divider coefficients */
- static const struct _coeff_div coeff_div[] = {
- /* 8k */
- { 8192000, 8000, 256*4, 0x2a69},
- {12288000, 8000, 384*4, 0x2c6b},
- /* 11.025k */
- {11289600, 11025, 256*4, 0x2a69},
- {16934400, 11025, 384*4, 0x2c6b},
- /* 16k */
- {16384000, 16000, 256*4, 0x2a69},
- {24576000, 16000, 384*4, 0x2c6b},
- /* 22.05k */
- {11289600, 22050, 256*2, 0x1a69},
- {16934400, 22050, 384*2, 0x1c6b},
- /* 32k */
- {16384000, 32000, 256*2, 0x1a69},
- {24576000, 32000, 384*2, 0x1c6b},
- /* 44.1k */
- {22579200, 44100, 256*2, 0x1a69},
- /* 48k */
- {24576000, 48000, 256*2, 0x1a69},
- };
- static int get_coeff(int mclk, int rate)
- {
- int i;
-
- printk("get_coeff mclk=%d,rate=%d\n",mclk,rate);
- for (i = 0; i < ARRAY_SIZE(coeff_div); i++) {
- if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk)
- return i;
- }
- return -EINVAL;
- }
- /*
- * Clock after PLL and dividers
- */
- static int rt5627_set_dai_sysclk(struct snd_soc_codec_dai *codec_dai,
- int clk_id, unsigned int freq, int dir)
- {
- struct snd_soc_codec *codec = codec_dai->codec;
- struct rt5627_priv *rt5627 = codec->private_data;
- switch (freq) {
- case 8192000:
- case 11289600:
- case 12288000:
- case 16384000:
- case 16934400:
- case 18432000:
- case 22579200:
- case 24576000:
- rt5627->sysclk = freq;
- return 0;
- }
- return -EINVAL;
- }
- static int rt5627_set_dai_fmt(struct snd_soc_codec_dai *codec_dai,
- unsigned int fmt)
- {
- struct snd_soc_codec *codec = codec_dai->codec;
- u16 iface = 0;
- /* set master/slave audio interface */
- switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
- case SND_SOC_DAIFMT_CBM_CFM:
- iface = 0x0000;
- break;
- case SND_SOC_DAIFMT_CBS_CFS:
- iface = 0x8000;
- break;
- default:
- return -EINVAL;
- }
- /* interface format */
- switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
- case SND_SOC_DAIFMT_I2S:
- iface |= 0x0000;
- break;
- case SND_SOC_DAIFMT_RIGHT_J:
- iface |= 0x0001;
- break;
- case SND_SOC_DAIFMT_LEFT_J:
- iface |= 0x0002;
- break;
- case SND_SOC_DAIFMT_DSP_A:
- iface |= 0x0003;
- break;
- case SND_SOC_DAIFMT_DSP_B:
- iface |= 0x4003;
- break;
- default:
- return -EINVAL;
- }
- /* clock inversion */
- switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
- case SND_SOC_DAIFMT_NB_NF:
- break;
- case SND_SOC_DAIFMT_IB_IF:
- iface |= 0x0080;
- break;
- case SND_SOC_DAIFMT_IB_NF:
- iface |= 0x0080;
- break;
- case SND_SOC_DAIFMT_NB_IF:
- break;
- default:
- return -EINVAL;
- }
- rt5627_write_mask(codec,RT5627_AUDIO_DATA_CTRL, iface,0x4803);
- return 0;
- }
- static int rt5627_pcm_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_device *socdev = rtd->socdev;
- struct snd_soc_codec *codec = socdev->codec;
- struct rt5627_priv *rt5627 = codec->private_data;
- u16 iface=rt5627_read(codec,RT5627_AUDIO_DATA_CTRL)&0xfff3;
- int coeff = get_coeff(rt5627->sysclk, params_rate(params));
- printk("rt5627_pcm_hw_params %d\n",params_rate(params));
- /* bit size */
- switch (params_format(params)) {
- case SNDRV_PCM_FORMAT_S16_LE:
- break;
- case SNDRV_PCM_FORMAT_S20_3LE:
- iface |= 0x0004;
- break;
- case SNDRV_PCM_FORMAT_S24_LE:
- iface |= 0x0008;
- break;
- case SNDRV_PCM_FORMAT_S32_LE:
- iface |= 0x000c;
- break;
- }
- /* set iface & srate */
- rt5627_write(codec,RT5627_AUDIO_DATA_CTRL, iface);
- if (coeff >= 0)
- rt5627_write(codec,RT5627_DAC_CLK_CTRL,coeff_div[coeff].regvalue);
- return 0;
- }
- static int rt5627_pcm_hw_trigger(struct snd_pcm_substream *substream,int cmd)
- {
- // struct snd_pcm_runtime *runtime = substream->runtime;
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_codec *codec = socdev->codec;
- int ret = 0;
-
- switch (cmd) {
- case SNDRV_PCM_TRIGGER_START:
-
- if(substream->stream==SNDRV_PCM_STREAM_PLAYBACK)
- {
- rt5627_ChangeCodecPowerStatus(codec,POWER_STATE_D1_PLAYBACK);
-
- rt5627_AudioOutEnable(codec,RT_WAVOUT_SPK,0);
-
- rt5627_AudioOutEnable(codec,RT_WAVOUT_HP,0);
- //HIKO DEBIG:
- printk(KERN_NOTICE "[HIKO AUDIO]rt5627_AudioOutEnable");
- }
-
- break;
- case SNDRV_PCM_TRIGGER_STOP:
- case SNDRV_PCM_TRIGGER_SUSPEND:
- case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- break;
- case SNDRV_PCM_TRIGGER_RESUME:
- break;
- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- break;
- default:
- ret = -EINVAL;
- }
- return ret;
- }
- static int rt5627_mute(struct snd_soc_codec_dai *dai, int mute)
- {
- struct snd_soc_codec *codec = dai->codec;
- u16 mute_reg = rt5627_read(codec, RT5627_MISC2_CTRL) & 0xfff3;
- if (mute)
- {
- rt5627_write(codec, RT5627_MISC2_CTRL, mute_reg | 0xc);
- }
- else
- {
- rt5627_write(codec, RT5627_MISC2_CTRL, mute_reg);
- }
- return 0;
- }
- static int rt5627_dapm_event(struct snd_soc_codec *codec, int event)
- {
- switch (event) {
- case SNDRV_CTL_POWER_D0: /* full On */
- printk("rt5627_dapm_event_POWER_D0\n");
- break;
- case SNDRV_CTL_POWER_D1: /* partial On */
- printk("rt5627_dapm_event_POWER_D1\n");
- case SNDRV_CTL_POWER_D2: /* partial On */
- printk("rt5627_dapm_event_POWER_D2\n");
- break;
- case SNDRV_CTL_POWER_D3hot: /* Off, with power */
- printk("rt5627_dapm_event_POWER_D3\n");
-
- break;
- case SNDRV_CTL_POWER_D3cold: /* Off, without power */
- printk("rt5627_dapm_event_POWER_D4\n");
- break;
- }
- codec->dapm_state = event;
- return 0;
- }
- #define RT5627_RATES SNDRV_PCM_RATE_48000
- #define RT5627_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
- SNDRV_PCM_FMTBIT_S24_LE)
- struct snd_soc_codec_dai rt5627_dai = {
- .name = "RT5627",
- .playback = {
- .stream_name = "Playback",
- .channels_min = 1,
- .channels_max = 2,
- .rates = RT5627_RATES,
- .formats = RT5627_FORMATS,},
- .ops = {
- .hw_params = rt5627_pcm_hw_params,
- .trigger = rt5627_pcm_hw_trigger,
- },
- .dai_ops = {
- .digital_mute = rt5627_mute,
- .set_fmt = rt5627_set_dai_fmt,
- .set_sysclk = rt5627_set_dai_sysclk,
- .set_pll = rt5627_set_dai_pll,
- },
- };
- EXPORT_SYMBOL_GPL(rt5627_dai);
- static void rt5627_work(struct work_struct *work)
- {
- struct snd_soc_codec *codec =
- container_of(work, struct snd_soc_codec, delayed_work.work);
- rt5627_dapm_event(codec, codec->dapm_state);
- }
- static int rt5627_suspend(struct platform_device *pdev, pm_message_t state)
- {
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->codec;
- /* we only need to suspend if we are a valid card */
- if(!codec->card)
- return 0;
-
- rt5627_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
- return 0;
- }
- static int rt5627_resume(struct platform_device *pdev)
- {
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->codec;
- int i;
- u8 data[3];
- u16 *cache = codec->reg_cache;
- /* we only need to resume if we are a valid card */
- if(!codec->card)
- return 0;
- /* Sync reg_cache with the hardware */
- for (i = 0; i < ARRAY_SIZE(rt5627_reg); i++) {
- if (i == RT5627_RESET)
- continue;
- data[0] =i*2;
- data[1] = (0xFF00 & cache[i]) >> 8;
- data[2] = 0x00FF & cache[i];
- codec->hw_write(codec->control_data, data, 3);
- }
- rt5627_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
- /* charge rt5627 caps */
- if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0) {
- rt5627_dapm_event(codec, SNDRV_CTL_POWER_D2);
- codec->dapm_state = SNDRV_CTL_POWER_D0;
- schedule_delayed_work(&codec->delayed_work,
- msecs_to_jiffies(caps_charge));
- }
- return 0;
- }
- /*
- * initialise the RT5627 driver
- * register the mixer and dsp interfaces with the kernel
- */
- static int rt5627_init(struct snd_soc_device *socdev)
- {
- struct snd_soc_codec *codec = socdev->codec;
- int ret = 0,i=0;
- codec->name = "RT5627";
- codec->owner = THIS_MODULE;
- codec->read = rt5627_read;
- codec->write = rt5627_write;
- codec->dapm_event = rt5627_dapm_event;
- codec->dai = &rt5627_dai;
- codec->num_dai = 1;
- codec->reg_cache_size = sizeof(rt5627_reg);
- codec->reg_cache = kmemdup(rt5627_reg, sizeof(rt5627_reg), GFP_KERNEL);
- printk(KERN_NOTICE "[HIKO] rt5627_init()\n");
- if (codec->reg_cache == NULL)
- return -ENOMEM;
-
- rt5627_reset(codec);
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
- if (ret < 0) {
- printk(KERN_ERR "rt5627: failed to create pcms\n");
- goto pcm_err;
- }
- rt5627_write(codec, RT5627_PWR_MANAG_ADD3, 0x8000);//enable Main bias
- rt5627_write(codec, RT5627_PWR_MANAG_ADD2, 0x2000);//enable Vref
- /* charge output caps */
- rt5627_dapm_event(codec, SNDRV_CTL_POWER_D2);
- codec->dapm_state = SNDRV_CTL_POWER_D3hot;
- schedule_delayed_work(&codec->delayed_work,
- msecs_to_jiffies(caps_charge));
- for(i=0;i<SET_CODEC_REG_INIT_NUM;i++)
- {
- rt5627_write(codec,Set_Codec_Reg_Init[i][0],Set_Codec_Reg_Init[i][1]);
-
- }
-
- rt5627_add_controls(codec);
- // rt5627_add_widgets(codec);
-
- ret = snd_soc_register_card(socdev);
- if (ret < 0) {
- printk(KERN_ERR "rt5627: failed to register card\n");
- goto card_err;
- }
- //HIKO DEBUG: for REALTEK 5627 on ebook proj
- // s3c2410_gpio_cfgpin(S3C2410_GPB10, S3C2410_GPB10_OUTP);
- // s3c2410_gpio_setpin(S3C2410_GPB10, 1);
- // printk(KERN_NOTICE "[HIKO AUDIO]Enable GPB10 output");
- return ret;
- card_err:
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
- pcm_err:
- kfree(codec->reg_cache);
- return ret;
- }
- /* If the i2c layer weren't so broken, we could pass this kind of data
- around */
- #if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
- /*
- * RT5627 2 wire address is determined by A1 pin
- * state during powerup.
- * low = 0x1a
- * high = 0x1b
- */
- static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
- /* Magic definition of all other variables and things */
- I2C_CLIENT_INSMOD;
- static struct i2c_driver rt5627_i2c_driver;
- static struct i2c_client client_template;
- static int rt5627_codec_probe(struct i2c_adapter *adap, int addr, int kind)
- {
- struct snd_soc_device *socdev = rt5627_socdev;
- struct rt5627_setup_data *setup = socdev->codec_data;
- struct snd_soc_codec *codec = socdev->codec;
- struct i2c_client *i2c;
- int ret;
- printk(KERN_NOTICE "[HIKO] rt5627_codec_probe()\n");
- if (addr != setup->i2c_address)
- return -ENODEV;
- client_template.adapter = adap;
- client_template.addr = addr;
- i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
- if (i2c == NULL){
- kfree(codec);
- return -ENOMEM;
- }
- i2c_set_clientdata(i2c, codec);
- codec->control_data = i2c;
- ret = i2c_attach_client(i2c);
- if (ret < 0) {
- err("failed to attach codec at addr %x\n", addr);
- goto err;
- }
- ret = rt5627_init(socdev);
-
- if (ret < 0) {
- err("failed to initialise RT5627\n");
- goto err;
- }
- return ret;
- err:
- kfree(codec);
- kfree(i2c);
- return ret;
- }
- static int rt5627_i2c_detach(struct i2c_client *client)
- {
- struct snd_soc_codec *codec = i2c_get_clientdata(client);
- i2c_detach_client(client);
- kfree(codec->reg_cache);
- kfree(client);
- return 0;
- }
- static int rt5627_i2c_attach(struct i2c_adapter *adap)
- {
- return i2c_probe(adap, &addr_data, rt5627_codec_probe);
- }
- /* corgi i2c codec control layer */
- static struct i2c_driver rt5627_i2c_driver = {
- .driver = {
- .name = "RT5627 I2C Codec",
- .owner = THIS_MODULE,
- },
- .id = I2C_DRIVERID_I2CDEV,
- // .id = I2C_DRIVERID_RT5627,
- .attach_adapter = rt5627_i2c_attach,
- .detach_client = rt5627_i2c_detach,
- .command = NULL,
- };
- static struct i2c_client client_template = {
- .name = "RT5627",
- .driver = &rt5627_i2c_driver,
- };
- #endif
- static int rt5627_probe(struct platform_device *pdev)
- {
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct rt5627_setup_data *setup;
- struct snd_soc_codec *codec;
- struct rt5627_priv *rt5627;
- int ret = 0;
- info("RT5627 Audio Codec %s",RT5627_VERSION);
-
- setup = socdev->codec_data;
- codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
- if (codec == NULL)
- return -ENOMEM;
- rt5627 = kzalloc(sizeof(struct rt5627_priv), GFP_KERNEL);
- if (rt5627 == NULL) {
- kfree(codec);
- return -ENOMEM;
- }
- codec->private_data = rt5627;
- socdev->codec = codec;
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
- rt5627_socdev = socdev;
- INIT_DELAYED_WORK(&codec->delayed_work, rt5627_work);
- #if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
- if (setup->i2c_address) {
- normal_i2c[0] = setup->i2c_address;
- codec->hw_write = (hw_write_t)i2c_master_send;
- codec->hw_read = (hw_read_t)i2c_master_recv;
-
- ret = i2c_add_driver(&rt5627_i2c_driver);
- if (ret != 0)
- printk(KERN_ERR "can't add i2c driver");
- }
- #else
- /* Add other interfaces here */
- #endif
- return ret;
- }
- /*
- * This function forces any delayed work to be queued and run.
- */
- static int run_delayed_work(struct delayed_work *dwork)
- {
- int ret;
- /* cancel any work waiting to be queued. */
- ret = cancel_delayed_work(dwork);
- /* if there was any work waiting then we run it now and
- * wait for it's completion */
- if (ret) {
- schedule_delayed_work(dwork, 0);
- flush_scheduled_work();
- }
- return ret;
- }
- /* power down chip */
- static int rt5627_remove(struct platform_device *pdev)
- {
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->codec;
- if (codec->control_data)
- rt5627_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
- run_delayed_work(&codec->delayed_work);
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
- #if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
- i2c_del_driver(&rt5627_i2c_driver);
- #endif
- kfree(codec->private_data);
- kfree(codec);
- return 0;
- }
- struct snd_soc_codec_device soc_codec_dev_rt5627 = {
- .probe = rt5627_probe,
- .remove = rt5627_remove,
- .suspend = rt5627_suspend,
- .resume = rt5627_resume,
- };
- EXPORT_SYMBOL_GPL(soc_codec_dev_rt5627);
- MODULE_DESCRIPTION("ASoC RT5627/5628 driver");
- MODULE_AUTHOR("flove");
- MODULE_LICENSE("GPL");
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