mirror of https://gitee.com/openkylin/linux.git
661 lines
18 KiB
C
661 lines
18 KiB
C
/*
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* DA7210 ALSA Soc codec driver
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*
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* Copyright (c) 2009 Dialog Semiconductor
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* Written by David Chen <Dajun.chen@diasemi.com>
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*
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* Copyright (C) 2009 Renesas Solutions Corp.
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* Cleanups by Kuninori Morimoto <morimoto.kuninori@renesas.com>
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*
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* Tested on SuperH Ecovec24 board with S16/S24 LE in 48KHz using I2S
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#include <linux/delay.h>
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#include <linux/i2c.h>
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#include <linux/platform_device.h>
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#include <linux/slab.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/initval.h>
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#include <sound/tlv.h>
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/* DA7210 register space */
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#define DA7210_STATUS 0x02
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#define DA7210_STARTUP1 0x03
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#define DA7210_MIC_L 0x07
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#define DA7210_MIC_R 0x08
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#define DA7210_INMIX_L 0x0D
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#define DA7210_INMIX_R 0x0E
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#define DA7210_ADC_HPF 0x0F
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#define DA7210_ADC 0x10
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#define DA7210_ADC_EQ1_2 0X11
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#define DA7210_ADC_EQ3_4 0x12
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#define DA7210_ADC_EQ5 0x13
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#define DA7210_DAC_HPF 0x14
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#define DA7210_DAC_L 0x15
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#define DA7210_DAC_R 0x16
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#define DA7210_DAC_SEL 0x17
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#define DA7210_DAC_EQ1_2 0x19
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#define DA7210_DAC_EQ3_4 0x1A
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#define DA7210_DAC_EQ5 0x1B
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#define DA7210_OUTMIX_L 0x1C
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#define DA7210_OUTMIX_R 0x1D
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#define DA7210_HP_L_VOL 0x21
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#define DA7210_HP_R_VOL 0x22
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#define DA7210_HP_CFG 0x23
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#define DA7210_DAI_SRC_SEL 0x25
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#define DA7210_DAI_CFG1 0x26
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#define DA7210_DAI_CFG3 0x28
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#define DA7210_PLL_DIV1 0x29
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#define DA7210_PLL_DIV2 0x2A
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#define DA7210_PLL_DIV3 0x2B
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#define DA7210_PLL 0x2C
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#define DA7210_A_HID_UNLOCK 0x8A
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#define DA7210_A_TEST_UNLOCK 0x8B
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#define DA7210_A_PLL1 0x90
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#define DA7210_A_CP_MODE 0xA7
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/* STARTUP1 bit fields */
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#define DA7210_SC_MST_EN (1 << 0)
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/* MIC_L bit fields */
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#define DA7210_MICBIAS_EN (1 << 6)
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#define DA7210_MIC_L_EN (1 << 7)
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/* MIC_R bit fields */
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#define DA7210_MIC_R_EN (1 << 7)
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/* INMIX_L bit fields */
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#define DA7210_IN_L_EN (1 << 7)
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/* INMIX_R bit fields */
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#define DA7210_IN_R_EN (1 << 7)
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/* ADC bit fields */
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#define DA7210_ADC_L_EN (1 << 3)
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#define DA7210_ADC_R_EN (1 << 7)
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/* DAC/ADC HPF fields */
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#define DA7210_VOICE_F0_MASK (0x7 << 4)
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#define DA7210_VOICE_F0_25 (1 << 4)
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#define DA7210_VOICE_EN (1 << 7)
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/* DAC_SEL bit fields */
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#define DA7210_DAC_L_SRC_DAI_L (4 << 0)
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#define DA7210_DAC_L_EN (1 << 3)
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#define DA7210_DAC_R_SRC_DAI_R (5 << 4)
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#define DA7210_DAC_R_EN (1 << 7)
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/* OUTMIX_L bit fields */
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#define DA7210_OUT_L_EN (1 << 7)
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/* OUTMIX_R bit fields */
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#define DA7210_OUT_R_EN (1 << 7)
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/* HP_CFG bit fields */
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#define DA7210_HP_2CAP_MODE (1 << 1)
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#define DA7210_HP_SENSE_EN (1 << 2)
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#define DA7210_HP_L_EN (1 << 3)
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#define DA7210_HP_MODE (1 << 6)
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#define DA7210_HP_R_EN (1 << 7)
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/* DAI_SRC_SEL bit fields */
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#define DA7210_DAI_OUT_L_SRC (6 << 0)
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#define DA7210_DAI_OUT_R_SRC (7 << 4)
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/* DAI_CFG1 bit fields */
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#define DA7210_DAI_WORD_S16_LE (0 << 0)
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#define DA7210_DAI_WORD_S20_3LE (1 << 0)
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#define DA7210_DAI_WORD_S24_LE (2 << 0)
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#define DA7210_DAI_WORD_S32_LE (3 << 0)
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#define DA7210_DAI_FLEN_64BIT (1 << 2)
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#define DA7210_DAI_MODE_SLAVE (0 << 7)
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#define DA7210_DAI_MODE_MASTER (1 << 7)
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/* DAI_CFG3 bit fields */
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#define DA7210_DAI_FORMAT_I2SMODE (0 << 0)
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#define DA7210_DAI_FORMAT_LEFT_J (1 << 0)
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#define DA7210_DAI_FORMAT_RIGHT_J (2 << 0)
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#define DA7210_DAI_OE (1 << 3)
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#define DA7210_DAI_EN (1 << 7)
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/*PLL_DIV3 bit fields */
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#define DA7210_MCLK_RANGE_10_20_MHZ (1 << 4)
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#define DA7210_PLL_BYP (1 << 6)
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/* PLL bit fields */
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#define DA7210_PLL_FS_MASK (0xF << 0)
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#define DA7210_PLL_FS_8000 (0x1 << 0)
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#define DA7210_PLL_FS_11025 (0x2 << 0)
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#define DA7210_PLL_FS_12000 (0x3 << 0)
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#define DA7210_PLL_FS_16000 (0x5 << 0)
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#define DA7210_PLL_FS_22050 (0x6 << 0)
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#define DA7210_PLL_FS_24000 (0x7 << 0)
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#define DA7210_PLL_FS_32000 (0x9 << 0)
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#define DA7210_PLL_FS_44100 (0xA << 0)
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#define DA7210_PLL_FS_48000 (0xB << 0)
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#define DA7210_PLL_FS_88200 (0xE << 0)
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#define DA7210_PLL_FS_96000 (0xF << 0)
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#define DA7210_PLL_EN (0x1 << 7)
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#define DA7210_VERSION "0.0.1"
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/*
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* Playback Volume
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*
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* max : 0x3F (+15.0 dB)
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* (1.5 dB step)
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* min : 0x11 (-54.0 dB)
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* mute : 0x10
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* reserved : 0x00 - 0x0F
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*
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* Reserved area are considered as "mute".
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*/
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static const unsigned int hp_out_tlv[] = {
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TLV_DB_RANGE_HEAD(2),
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0x0, 0x10, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
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/* -54 dB to +15 dB */
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0x11, 0x3f, TLV_DB_SCALE_ITEM(-5400, 150, 0),
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};
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static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
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static const DECLARE_TLV_DB_SCALE(adc_eq_master_gain_tlv, -1800, 600, 1);
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/* ADC and DAC high pass filter f0 value */
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static const char const *da7210_hpf_cutoff_txt[] = {
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"Fs/8192*pi", "Fs/4096*pi", "Fs/2048*pi", "Fs/1024*pi"
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};
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static const struct soc_enum da7210_dac_hpf_cutoff =
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SOC_ENUM_SINGLE(DA7210_DAC_HPF, 0, 4, da7210_hpf_cutoff_txt);
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static const struct soc_enum da7210_adc_hpf_cutoff =
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SOC_ENUM_SINGLE(DA7210_ADC_HPF, 0, 4, da7210_hpf_cutoff_txt);
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/* ADC and DAC voice (8kHz) high pass cutoff value */
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static const char const *da7210_vf_cutoff_txt[] = {
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"2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
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};
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static const struct soc_enum da7210_dac_vf_cutoff =
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SOC_ENUM_SINGLE(DA7210_DAC_HPF, 4, 8, da7210_vf_cutoff_txt);
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static const struct soc_enum da7210_adc_vf_cutoff =
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SOC_ENUM_SINGLE(DA7210_ADC_HPF, 4, 8, da7210_vf_cutoff_txt);
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static const struct snd_kcontrol_new da7210_snd_controls[] = {
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SOC_DOUBLE_R_TLV("HeadPhone Playback Volume",
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DA7210_HP_L_VOL, DA7210_HP_R_VOL,
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0, 0x3F, 0, hp_out_tlv),
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/* DAC Equalizer controls */
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SOC_SINGLE("DAC EQ Switch", DA7210_DAC_EQ5, 7, 1, 0),
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SOC_SINGLE_TLV("DAC EQ1 Volume", DA7210_DAC_EQ1_2, 0, 0xf, 1,
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eq_gain_tlv),
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SOC_SINGLE_TLV("DAC EQ2 Volume", DA7210_DAC_EQ1_2, 4, 0xf, 1,
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eq_gain_tlv),
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SOC_SINGLE_TLV("DAC EQ3 Volume", DA7210_DAC_EQ3_4, 0, 0xf, 1,
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eq_gain_tlv),
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SOC_SINGLE_TLV("DAC EQ4 Volume", DA7210_DAC_EQ3_4, 4, 0xf, 1,
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eq_gain_tlv),
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SOC_SINGLE_TLV("DAC EQ5 Volume", DA7210_DAC_EQ5, 0, 0xf, 1,
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eq_gain_tlv),
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/* ADC Equalizer controls */
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SOC_SINGLE("ADC EQ Switch", DA7210_ADC_EQ5, 7, 1, 0),
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SOC_SINGLE_TLV("ADC EQ Master Volume", DA7210_ADC_EQ5, 4, 0x3,
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1, adc_eq_master_gain_tlv),
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SOC_SINGLE_TLV("ADC EQ1 Volume", DA7210_ADC_EQ1_2, 0, 0xf, 1,
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eq_gain_tlv),
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SOC_SINGLE_TLV("ADC EQ2 Volume", DA7210_ADC_EQ1_2, 4, 0xf, 1,
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eq_gain_tlv),
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SOC_SINGLE_TLV("ADC EQ3 Volume", DA7210_ADC_EQ3_4, 0, 0xf, 1,
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eq_gain_tlv),
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SOC_SINGLE_TLV("ADC EQ4 Volume", DA7210_ADC_EQ3_4, 4, 0xf, 1,
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eq_gain_tlv),
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SOC_SINGLE_TLV("ADC EQ5 Volume", DA7210_ADC_EQ5, 0, 0xf, 1,
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eq_gain_tlv),
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SOC_SINGLE("DAC HPF Switch", DA7210_DAC_HPF, 3, 1, 0),
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SOC_ENUM("DAC HPF Cutoff", da7210_dac_hpf_cutoff),
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SOC_SINGLE("DAC Voice Mode Switch", DA7210_DAC_HPF, 7, 1, 0),
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SOC_ENUM("DAC Voice Cutoff", da7210_dac_vf_cutoff),
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SOC_SINGLE("ADC HPF Switch", DA7210_ADC_HPF, 3, 1, 0),
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SOC_ENUM("ADC HPF Cutoff", da7210_adc_hpf_cutoff),
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SOC_SINGLE("ADC Voice Mode Switch", DA7210_ADC_HPF, 7, 1, 0),
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SOC_ENUM("ADC Voice Cutoff", da7210_adc_vf_cutoff),
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};
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/* Codec private data */
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struct da7210_priv {
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enum snd_soc_control_type control_type;
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};
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/*
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* Register cache
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*/
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static const u8 da7210_reg[] = {
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0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R0 - R7 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, /* R8 - RF */
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0x00, 0x00, 0x00, 0x00, 0x08, 0x10, 0x10, 0x54, /* R10 - R17 */
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0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R18 - R1F */
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0x00, 0x00, 0x00, 0x02, 0x00, 0x76, 0x00, 0x00, /* R20 - R27 */
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0x04, 0x00, 0x00, 0x30, 0x2A, 0x00, 0x40, 0x00, /* R28 - R2F */
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0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x40, 0x00, /* R30 - R37 */
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0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x00, 0x00, /* R38 - R3F */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R40 - R4F */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R48 - R4F */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R50 - R57 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R58 - R5F */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R60 - R67 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R68 - R6F */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R70 - R77 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x54, 0x00, /* R78 - R7F */
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0x00, 0x00, 0x2C, 0x00, 0x00, 0x00, 0x00, 0x00, /* R80 - R87 */
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0x00, /* R88 */
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};
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static int da7210_volatile_register(struct snd_soc_codec *codec,
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unsigned int reg)
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{
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switch (reg) {
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case DA7210_STATUS:
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return 1;
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default:
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return 0;
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}
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}
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static int da7210_startup(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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int is_play = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
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struct snd_soc_codec *codec = dai->codec;
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if (is_play) {
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/* Enable Out */
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snd_soc_update_bits(codec, DA7210_OUTMIX_L, 0x1F, 0x10);
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snd_soc_update_bits(codec, DA7210_OUTMIX_R, 0x1F, 0x10);
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} else {
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/* Volume 7 */
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snd_soc_update_bits(codec, DA7210_MIC_L, 0x7, 0x7);
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snd_soc_update_bits(codec, DA7210_MIC_R, 0x7, 0x7);
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/* Enable Mic */
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snd_soc_update_bits(codec, DA7210_INMIX_L, 0x1F, 0x1);
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snd_soc_update_bits(codec, DA7210_INMIX_R, 0x1F, 0x1);
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}
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return 0;
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}
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/*
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* Set PCM DAI word length.
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*/
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static int da7210_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_codec *codec = rtd->codec;
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u32 dai_cfg1;
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u32 fs, bypass;
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/* set DAI source to Left and Right ADC */
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snd_soc_write(codec, DA7210_DAI_SRC_SEL,
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DA7210_DAI_OUT_R_SRC | DA7210_DAI_OUT_L_SRC);
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/* Enable DAI */
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snd_soc_write(codec, DA7210_DAI_CFG3, DA7210_DAI_OE | DA7210_DAI_EN);
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dai_cfg1 = 0xFC & snd_soc_read(codec, DA7210_DAI_CFG1);
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switch (params_format(params)) {
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case SNDRV_PCM_FORMAT_S16_LE:
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dai_cfg1 |= DA7210_DAI_WORD_S16_LE;
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break;
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case SNDRV_PCM_FORMAT_S20_3LE:
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dai_cfg1 |= DA7210_DAI_WORD_S20_3LE;
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break;
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case SNDRV_PCM_FORMAT_S24_LE:
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dai_cfg1 |= DA7210_DAI_WORD_S24_LE;
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break;
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case SNDRV_PCM_FORMAT_S32_LE:
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dai_cfg1 |= DA7210_DAI_WORD_S32_LE;
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break;
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default:
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return -EINVAL;
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}
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snd_soc_write(codec, DA7210_DAI_CFG1, dai_cfg1);
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switch (params_rate(params)) {
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case 8000:
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fs = DA7210_PLL_FS_8000;
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bypass = DA7210_PLL_BYP;
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break;
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case 11025:
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fs = DA7210_PLL_FS_11025;
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bypass = 0;
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break;
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case 12000:
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fs = DA7210_PLL_FS_12000;
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bypass = DA7210_PLL_BYP;
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break;
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case 16000:
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fs = DA7210_PLL_FS_16000;
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bypass = DA7210_PLL_BYP;
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break;
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case 22050:
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fs = DA7210_PLL_FS_22050;
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bypass = 0;
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break;
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case 32000:
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fs = DA7210_PLL_FS_32000;
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bypass = DA7210_PLL_BYP;
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break;
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case 44100:
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fs = DA7210_PLL_FS_44100;
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bypass = 0;
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break;
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case 48000:
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fs = DA7210_PLL_FS_48000;
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bypass = DA7210_PLL_BYP;
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break;
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case 88200:
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fs = DA7210_PLL_FS_88200;
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bypass = 0;
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break;
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case 96000:
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fs = DA7210_PLL_FS_96000;
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bypass = DA7210_PLL_BYP;
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break;
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default:
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return -EINVAL;
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}
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/* Disable active mode */
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snd_soc_update_bits(codec, DA7210_STARTUP1, DA7210_SC_MST_EN, 0);
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snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_FS_MASK, fs);
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snd_soc_update_bits(codec, DA7210_PLL_DIV3, DA7210_PLL_BYP, bypass);
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/* Enable active mode */
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snd_soc_update_bits(codec, DA7210_STARTUP1,
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DA7210_SC_MST_EN, DA7210_SC_MST_EN);
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return 0;
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}
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/*
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* Set DAI mode and Format
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*/
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static int da7210_set_dai_fmt(struct snd_soc_dai *codec_dai, u32 fmt)
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{
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struct snd_soc_codec *codec = codec_dai->codec;
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u32 dai_cfg1;
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u32 dai_cfg3;
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|
dai_cfg1 = 0x7f & snd_soc_read(codec, DA7210_DAI_CFG1);
|
|
dai_cfg3 = 0xfc & snd_soc_read(codec, DA7210_DAI_CFG3);
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
|
|
case SND_SOC_DAIFMT_CBM_CFM:
|
|
dai_cfg1 |= DA7210_DAI_MODE_MASTER;
|
|
break;
|
|
case SND_SOC_DAIFMT_CBS_CFS:
|
|
dai_cfg1 |= DA7210_DAI_MODE_SLAVE;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* FIXME
|
|
*
|
|
* It support I2S only now
|
|
*/
|
|
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
|
|
case SND_SOC_DAIFMT_I2S:
|
|
dai_cfg3 |= DA7210_DAI_FORMAT_I2SMODE;
|
|
break;
|
|
case SND_SOC_DAIFMT_LEFT_J:
|
|
dai_cfg3 |= DA7210_DAI_FORMAT_LEFT_J;
|
|
break;
|
|
case SND_SOC_DAIFMT_RIGHT_J:
|
|
dai_cfg3 |= DA7210_DAI_FORMAT_RIGHT_J;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* FIXME
|
|
*
|
|
* It support 64bit data transmission only now
|
|
*/
|
|
dai_cfg1 |= DA7210_DAI_FLEN_64BIT;
|
|
|
|
snd_soc_write(codec, DA7210_DAI_CFG1, dai_cfg1);
|
|
snd_soc_write(codec, DA7210_DAI_CFG3, dai_cfg3);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define DA7210_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
|
|
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
|
|
|
|
/* DAI operations */
|
|
static struct snd_soc_dai_ops da7210_dai_ops = {
|
|
.startup = da7210_startup,
|
|
.hw_params = da7210_hw_params,
|
|
.set_fmt = da7210_set_dai_fmt,
|
|
};
|
|
|
|
static struct snd_soc_dai_driver da7210_dai = {
|
|
.name = "da7210-hifi",
|
|
/* playback capabilities */
|
|
.playback = {
|
|
.stream_name = "Playback",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = SNDRV_PCM_RATE_8000_96000,
|
|
.formats = DA7210_FORMATS,
|
|
},
|
|
/* capture capabilities */
|
|
.capture = {
|
|
.stream_name = "Capture",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = SNDRV_PCM_RATE_8000_96000,
|
|
.formats = DA7210_FORMATS,
|
|
},
|
|
.ops = &da7210_dai_ops,
|
|
.symmetric_rates = 1,
|
|
};
|
|
|
|
static int da7210_probe(struct snd_soc_codec *codec)
|
|
{
|
|
struct da7210_priv *da7210 = snd_soc_codec_get_drvdata(codec);
|
|
int ret;
|
|
|
|
dev_info(codec->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION);
|
|
|
|
ret = snd_soc_codec_set_cache_io(codec, 8, 8, da7210->control_type);
|
|
if (ret < 0) {
|
|
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
/* FIXME
|
|
*
|
|
* This driver use fixed value here
|
|
* And below settings expects MCLK = 12.288MHz
|
|
*
|
|
* When you select different MCLK, please check...
|
|
* DA7210_PLL_DIV1 val
|
|
* DA7210_PLL_DIV2 val
|
|
* DA7210_PLL_DIV3 val
|
|
* DA7210_PLL_DIV3 :: DA7210_MCLK_RANGExxx
|
|
*/
|
|
|
|
/*
|
|
* make sure that DA7210 use bypass mode before start up
|
|
*/
|
|
snd_soc_write(codec, DA7210_STARTUP1, 0);
|
|
snd_soc_write(codec, DA7210_PLL_DIV3,
|
|
DA7210_MCLK_RANGE_10_20_MHZ | DA7210_PLL_BYP);
|
|
|
|
/*
|
|
* ADC settings
|
|
*/
|
|
|
|
/* Enable Left & Right MIC PGA and Mic Bias */
|
|
snd_soc_write(codec, DA7210_MIC_L, DA7210_MIC_L_EN | DA7210_MICBIAS_EN);
|
|
snd_soc_write(codec, DA7210_MIC_R, DA7210_MIC_R_EN);
|
|
|
|
/* Enable Left and Right input PGA */
|
|
snd_soc_write(codec, DA7210_INMIX_L, DA7210_IN_L_EN);
|
|
snd_soc_write(codec, DA7210_INMIX_R, DA7210_IN_R_EN);
|
|
|
|
/* Enable Left and Right ADC */
|
|
snd_soc_write(codec, DA7210_ADC, DA7210_ADC_L_EN | DA7210_ADC_R_EN);
|
|
|
|
/*
|
|
* DAC settings
|
|
*/
|
|
|
|
/* Enable Left and Right DAC */
|
|
snd_soc_write(codec, DA7210_DAC_SEL,
|
|
DA7210_DAC_L_SRC_DAI_L | DA7210_DAC_L_EN |
|
|
DA7210_DAC_R_SRC_DAI_R | DA7210_DAC_R_EN);
|
|
|
|
/* Enable Left and Right out PGA */
|
|
snd_soc_write(codec, DA7210_OUTMIX_L, DA7210_OUT_L_EN);
|
|
snd_soc_write(codec, DA7210_OUTMIX_R, DA7210_OUT_R_EN);
|
|
|
|
/* Enable Left and Right HeadPhone PGA */
|
|
snd_soc_write(codec, DA7210_HP_CFG,
|
|
DA7210_HP_2CAP_MODE | DA7210_HP_SENSE_EN |
|
|
DA7210_HP_L_EN | DA7210_HP_MODE | DA7210_HP_R_EN);
|
|
|
|
/* Diable PLL and bypass it */
|
|
snd_soc_write(codec, DA7210_PLL, DA7210_PLL_FS_48000);
|
|
|
|
/*
|
|
* If 48kHz sound came, it use bypass mode,
|
|
* and when it is 44.1kHz, it use PLL.
|
|
*
|
|
* This time, this driver sets PLL always ON
|
|
* and controls bypass/PLL mode by switching
|
|
* DA7210_PLL_DIV3 :: DA7210_PLL_BYP bit.
|
|
* see da7210_hw_params
|
|
*/
|
|
snd_soc_write(codec, DA7210_PLL_DIV1, 0xE5); /* MCLK = 12.288MHz */
|
|
snd_soc_write(codec, DA7210_PLL_DIV2, 0x99);
|
|
snd_soc_write(codec, DA7210_PLL_DIV3, 0x0A |
|
|
DA7210_MCLK_RANGE_10_20_MHZ | DA7210_PLL_BYP);
|
|
snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_EN, DA7210_PLL_EN);
|
|
|
|
/* As suggested by Dialog */
|
|
snd_soc_write(codec, DA7210_A_HID_UNLOCK, 0x8B); /* unlock */
|
|
snd_soc_write(codec, DA7210_A_TEST_UNLOCK, 0xB4);
|
|
snd_soc_write(codec, DA7210_A_PLL1, 0x01);
|
|
snd_soc_write(codec, DA7210_A_CP_MODE, 0x7C);
|
|
snd_soc_write(codec, DA7210_A_HID_UNLOCK, 0x00); /* re-lock */
|
|
snd_soc_write(codec, DA7210_A_TEST_UNLOCK, 0x00);
|
|
|
|
/* Activate all enabled subsystem */
|
|
snd_soc_write(codec, DA7210_STARTUP1, DA7210_SC_MST_EN);
|
|
|
|
dev_info(codec->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_soc_codec_driver soc_codec_dev_da7210 = {
|
|
.probe = da7210_probe,
|
|
.reg_cache_size = ARRAY_SIZE(da7210_reg),
|
|
.reg_word_size = sizeof(u8),
|
|
.reg_cache_default = da7210_reg,
|
|
.volatile_register = da7210_volatile_register,
|
|
|
|
.controls = da7210_snd_controls,
|
|
.num_controls = ARRAY_SIZE(da7210_snd_controls),
|
|
};
|
|
|
|
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
|
|
static int __devinit da7210_i2c_probe(struct i2c_client *i2c,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct da7210_priv *da7210;
|
|
int ret;
|
|
|
|
da7210 = kzalloc(sizeof(struct da7210_priv), GFP_KERNEL);
|
|
if (!da7210)
|
|
return -ENOMEM;
|
|
|
|
i2c_set_clientdata(i2c, da7210);
|
|
da7210->control_type = SND_SOC_I2C;
|
|
|
|
ret = snd_soc_register_codec(&i2c->dev,
|
|
&soc_codec_dev_da7210, &da7210_dai, 1);
|
|
if (ret < 0)
|
|
kfree(da7210);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int __devexit da7210_i2c_remove(struct i2c_client *client)
|
|
{
|
|
snd_soc_unregister_codec(&client->dev);
|
|
kfree(i2c_get_clientdata(client));
|
|
return 0;
|
|
}
|
|
|
|
static const struct i2c_device_id da7210_i2c_id[] = {
|
|
{ "da7210", 0 },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, da7210_i2c_id);
|
|
|
|
/* I2C codec control layer */
|
|
static struct i2c_driver da7210_i2c_driver = {
|
|
.driver = {
|
|
.name = "da7210-codec",
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.probe = da7210_i2c_probe,
|
|
.remove = __devexit_p(da7210_i2c_remove),
|
|
.id_table = da7210_i2c_id,
|
|
};
|
|
#endif
|
|
|
|
static int __init da7210_modinit(void)
|
|
{
|
|
int ret = 0;
|
|
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
|
|
ret = i2c_add_driver(&da7210_i2c_driver);
|
|
#endif
|
|
return ret;
|
|
}
|
|
module_init(da7210_modinit);
|
|
|
|
static void __exit da7210_exit(void)
|
|
{
|
|
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
|
|
i2c_del_driver(&da7210_i2c_driver);
|
|
#endif
|
|
}
|
|
module_exit(da7210_exit);
|
|
|
|
MODULE_DESCRIPTION("ASoC DA7210 driver");
|
|
MODULE_AUTHOR("David Chen, Kuninori Morimoto");
|
|
MODULE_LICENSE("GPL");
|