953 lines
25 KiB
C
953 lines
25 KiB
C
/*
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* ADAV80X Audio Codec driver supporting ADAV801, ADAV803
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*
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* Copyright 2011 Analog Devices Inc.
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* Author: Yi Li <yi.li@analog.com>
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* Author: Lars-Peter Clausen <lars@metafoo.de>
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*
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* Licensed under the GPL-2 or later.
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/i2c.h>
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#include <linux/spi/spi.h>
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#include <linux/slab.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/tlv.h>
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#include <sound/soc.h>
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#include "adav80x.h"
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#define ADAV80X_PLAYBACK_CTRL 0x04
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#define ADAV80X_AUX_IN_CTRL 0x05
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#define ADAV80X_REC_CTRL 0x06
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#define ADAV80X_AUX_OUT_CTRL 0x07
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#define ADAV80X_DPATH_CTRL1 0x62
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#define ADAV80X_DPATH_CTRL2 0x63
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#define ADAV80X_DAC_CTRL1 0x64
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#define ADAV80X_DAC_CTRL2 0x65
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#define ADAV80X_DAC_CTRL3 0x66
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#define ADAV80X_DAC_L_VOL 0x68
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#define ADAV80X_DAC_R_VOL 0x69
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#define ADAV80X_PGA_L_VOL 0x6c
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#define ADAV80X_PGA_R_VOL 0x6d
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#define ADAV80X_ADC_CTRL1 0x6e
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#define ADAV80X_ADC_CTRL2 0x6f
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#define ADAV80X_ADC_L_VOL 0x70
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#define ADAV80X_ADC_R_VOL 0x71
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#define ADAV80X_PLL_CTRL1 0x74
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#define ADAV80X_PLL_CTRL2 0x75
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#define ADAV80X_ICLK_CTRL1 0x76
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#define ADAV80X_ICLK_CTRL2 0x77
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#define ADAV80X_PLL_CLK_SRC 0x78
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#define ADAV80X_PLL_OUTE 0x7a
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#define ADAV80X_PLL_CLK_SRC_PLL_XIN(pll) 0x00
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#define ADAV80X_PLL_CLK_SRC_PLL_MCLKI(pll) (0x40 << (pll))
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#define ADAV80X_PLL_CLK_SRC_PLL_MASK(pll) (0x40 << (pll))
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#define ADAV80X_ICLK_CTRL1_DAC_SRC(src) ((src) << 5)
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#define ADAV80X_ICLK_CTRL1_ADC_SRC(src) ((src) << 2)
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#define ADAV80X_ICLK_CTRL1_ICLK2_SRC(src) (src)
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#define ADAV80X_ICLK_CTRL2_ICLK1_SRC(src) ((src) << 3)
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#define ADAV80X_PLL_CTRL1_PLLDIV 0x10
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#define ADAV80X_PLL_CTRL1_PLLPD(pll) (0x04 << (pll))
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#define ADAV80X_PLL_CTRL1_XTLPD 0x02
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#define ADAV80X_PLL_CTRL2_FIELD(pll, x) ((x) << ((pll) * 4))
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#define ADAV80X_PLL_CTRL2_FS_48(pll) ADAV80X_PLL_CTRL2_FIELD((pll), 0x00)
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#define ADAV80X_PLL_CTRL2_FS_32(pll) ADAV80X_PLL_CTRL2_FIELD((pll), 0x08)
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#define ADAV80X_PLL_CTRL2_FS_44(pll) ADAV80X_PLL_CTRL2_FIELD((pll), 0x0c)
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#define ADAV80X_PLL_CTRL2_SEL(pll) ADAV80X_PLL_CTRL2_FIELD((pll), 0x02)
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#define ADAV80X_PLL_CTRL2_DOUB(pll) ADAV80X_PLL_CTRL2_FIELD((pll), 0x01)
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#define ADAV80X_PLL_CTRL2_PLL_MASK(pll) ADAV80X_PLL_CTRL2_FIELD((pll), 0x0f)
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#define ADAV80X_ADC_CTRL1_MODULATOR_MASK 0x80
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#define ADAV80X_ADC_CTRL1_MODULATOR_128FS 0x00
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#define ADAV80X_ADC_CTRL1_MODULATOR_64FS 0x80
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#define ADAV80X_DAC_CTRL1_PD 0x80
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#define ADAV80X_DAC_CTRL2_DIV1 0x00
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#define ADAV80X_DAC_CTRL2_DIV1_5 0x10
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#define ADAV80X_DAC_CTRL2_DIV2 0x20
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#define ADAV80X_DAC_CTRL2_DIV3 0x30
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#define ADAV80X_DAC_CTRL2_DIV_MASK 0x30
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#define ADAV80X_DAC_CTRL2_INTERPOL_256FS 0x00
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#define ADAV80X_DAC_CTRL2_INTERPOL_128FS 0x40
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#define ADAV80X_DAC_CTRL2_INTERPOL_64FS 0x80
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#define ADAV80X_DAC_CTRL2_INTERPOL_MASK 0xc0
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#define ADAV80X_DAC_CTRL2_DEEMPH_NONE 0x00
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#define ADAV80X_DAC_CTRL2_DEEMPH_44 0x01
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#define ADAV80X_DAC_CTRL2_DEEMPH_32 0x02
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#define ADAV80X_DAC_CTRL2_DEEMPH_48 0x03
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#define ADAV80X_DAC_CTRL2_DEEMPH_MASK 0x01
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#define ADAV80X_CAPTURE_MODE_MASTER 0x20
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#define ADAV80X_CAPTURE_WORD_LEN24 0x00
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#define ADAV80X_CAPTURE_WORD_LEN20 0x04
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#define ADAV80X_CAPTRUE_WORD_LEN18 0x08
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#define ADAV80X_CAPTURE_WORD_LEN16 0x0c
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#define ADAV80X_CAPTURE_WORD_LEN_MASK 0x0c
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#define ADAV80X_CAPTURE_MODE_LEFT_J 0x00
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#define ADAV80X_CAPTURE_MODE_I2S 0x01
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#define ADAV80X_CAPTURE_MODE_RIGHT_J 0x03
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#define ADAV80X_CAPTURE_MODE_MASK 0x03
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#define ADAV80X_PLAYBACK_MODE_MASTER 0x10
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#define ADAV80X_PLAYBACK_MODE_LEFT_J 0x00
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#define ADAV80X_PLAYBACK_MODE_I2S 0x01
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#define ADAV80X_PLAYBACK_MODE_RIGHT_J_24 0x04
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#define ADAV80X_PLAYBACK_MODE_RIGHT_J_20 0x05
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#define ADAV80X_PLAYBACK_MODE_RIGHT_J_18 0x06
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#define ADAV80X_PLAYBACK_MODE_RIGHT_J_16 0x07
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#define ADAV80X_PLAYBACK_MODE_MASK 0x07
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#define ADAV80X_PLL_OUTE_SYSCLKPD(x) BIT(2 - (x))
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static u8 adav80x_default_regs[] = {
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0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x02, 0x01, 0x80, 0x26, 0x00, 0x00,
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0x02, 0x40, 0x20, 0x00, 0x09, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x04, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd1, 0x92, 0xb1, 0x37,
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0x48, 0xd2, 0xfb, 0xca, 0xd2, 0x15, 0xe8, 0x29, 0xb9, 0x6a, 0xda, 0x2b,
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0xb7, 0xc0, 0x11, 0x65, 0x5c, 0xf6, 0xff, 0x8d, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa5, 0x00, 0x00,
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0x00, 0xe8, 0x46, 0xe1, 0x5b, 0xd3, 0x43, 0x77, 0x93, 0xa7, 0x44, 0xee,
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0x32, 0x12, 0xc0, 0x11, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x3f, 0x3f,
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0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x1d, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x52, 0x00,
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};
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struct adav80x {
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enum snd_soc_control_type control_type;
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enum adav80x_clk_src clk_src;
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unsigned int sysclk;
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enum adav80x_pll_src pll_src;
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unsigned int dai_fmt[2];
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unsigned int rate;
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bool deemph;
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bool sysclk_pd[3];
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};
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static const char *adav80x_mux_text[] = {
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"ADC",
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"Playback",
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"Aux Playback",
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};
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static const unsigned int adav80x_mux_values[] = {
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0, 2, 3,
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};
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#define ADAV80X_MUX_ENUM_DECL(name, reg, shift) \
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SOC_VALUE_ENUM_DOUBLE_DECL(name, reg, shift, 7, \
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ARRAY_SIZE(adav80x_mux_text), adav80x_mux_text, \
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adav80x_mux_values)
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static ADAV80X_MUX_ENUM_DECL(adav80x_aux_capture_enum, ADAV80X_DPATH_CTRL1, 0);
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static ADAV80X_MUX_ENUM_DECL(adav80x_capture_enum, ADAV80X_DPATH_CTRL1, 3);
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static ADAV80X_MUX_ENUM_DECL(adav80x_dac_enum, ADAV80X_DPATH_CTRL2, 3);
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static const struct snd_kcontrol_new adav80x_aux_capture_mux_ctrl =
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SOC_DAPM_VALUE_ENUM("Route", adav80x_aux_capture_enum);
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static const struct snd_kcontrol_new adav80x_capture_mux_ctrl =
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SOC_DAPM_VALUE_ENUM("Route", adav80x_capture_enum);
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static const struct snd_kcontrol_new adav80x_dac_mux_ctrl =
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SOC_DAPM_VALUE_ENUM("Route", adav80x_dac_enum);
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#define ADAV80X_MUX(name, ctrl) \
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SND_SOC_DAPM_VALUE_MUX(name, SND_SOC_NOPM, 0, 0, ctrl)
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static const struct snd_soc_dapm_widget adav80x_dapm_widgets[] = {
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SND_SOC_DAPM_DAC("DAC", NULL, ADAV80X_DAC_CTRL1, 7, 1),
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SND_SOC_DAPM_ADC("ADC", NULL, ADAV80X_ADC_CTRL1, 5, 1),
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SND_SOC_DAPM_PGA("Right PGA", ADAV80X_ADC_CTRL1, 0, 1, NULL, 0),
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SND_SOC_DAPM_PGA("Left PGA", ADAV80X_ADC_CTRL1, 1, 1, NULL, 0),
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SND_SOC_DAPM_AIF_OUT("AIFOUT", "HiFi Capture", 0, SND_SOC_NOPM, 0, 0),
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SND_SOC_DAPM_AIF_IN("AIFIN", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
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SND_SOC_DAPM_AIF_OUT("AIFAUXOUT", "Aux Capture", 0, SND_SOC_NOPM, 0, 0),
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SND_SOC_DAPM_AIF_IN("AIFAUXIN", "Aux Playback", 0, SND_SOC_NOPM, 0, 0),
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ADAV80X_MUX("Aux Capture Select", &adav80x_aux_capture_mux_ctrl),
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ADAV80X_MUX("Capture Select", &adav80x_capture_mux_ctrl),
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ADAV80X_MUX("DAC Select", &adav80x_dac_mux_ctrl),
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SND_SOC_DAPM_INPUT("VINR"),
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SND_SOC_DAPM_INPUT("VINL"),
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SND_SOC_DAPM_OUTPUT("VOUTR"),
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SND_SOC_DAPM_OUTPUT("VOUTL"),
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SND_SOC_DAPM_SUPPLY("SYSCLK", SND_SOC_NOPM, 0, 0, NULL, 0),
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SND_SOC_DAPM_SUPPLY("PLL1", ADAV80X_PLL_CTRL1, 2, 1, NULL, 0),
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SND_SOC_DAPM_SUPPLY("PLL2", ADAV80X_PLL_CTRL1, 3, 1, NULL, 0),
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SND_SOC_DAPM_SUPPLY("OSC", ADAV80X_PLL_CTRL1, 1, 1, NULL, 0),
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};
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static int adav80x_dapm_sysclk_check(struct snd_soc_dapm_widget *source,
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struct snd_soc_dapm_widget *sink)
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{
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struct snd_soc_codec *codec = source->codec;
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struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
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const char *clk;
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switch (adav80x->clk_src) {
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case ADAV80X_CLK_PLL1:
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clk = "PLL1";
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break;
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case ADAV80X_CLK_PLL2:
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clk = "PLL2";
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break;
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case ADAV80X_CLK_XTAL:
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clk = "OSC";
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break;
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default:
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return 0;
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}
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return strcmp(source->name, clk) == 0;
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}
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static int adav80x_dapm_pll_check(struct snd_soc_dapm_widget *source,
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struct snd_soc_dapm_widget *sink)
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{
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struct snd_soc_codec *codec = source->codec;
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struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
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return adav80x->pll_src == ADAV80X_PLL_SRC_XTAL;
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}
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static const struct snd_soc_dapm_route adav80x_dapm_routes[] = {
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{ "DAC Select", "ADC", "ADC" },
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{ "DAC Select", "Playback", "AIFIN" },
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{ "DAC Select", "Aux Playback", "AIFAUXIN" },
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{ "DAC", NULL, "DAC Select" },
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{ "Capture Select", "ADC", "ADC" },
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{ "Capture Select", "Playback", "AIFIN" },
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{ "Capture Select", "Aux Playback", "AIFAUXIN" },
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{ "AIFOUT", NULL, "Capture Select" },
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{ "Aux Capture Select", "ADC", "ADC" },
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{ "Aux Capture Select", "Playback", "AIFIN" },
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{ "Aux Capture Select", "Aux Playback", "AIFAUXIN" },
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{ "AIFAUXOUT", NULL, "Aux Capture Select" },
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{ "VOUTR", NULL, "DAC" },
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{ "VOUTL", NULL, "DAC" },
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{ "Left PGA", NULL, "VINL" },
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{ "Right PGA", NULL, "VINR" },
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{ "ADC", NULL, "Left PGA" },
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{ "ADC", NULL, "Right PGA" },
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{ "SYSCLK", NULL, "PLL1", adav80x_dapm_sysclk_check },
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{ "SYSCLK", NULL, "PLL2", adav80x_dapm_sysclk_check },
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{ "SYSCLK", NULL, "OSC", adav80x_dapm_sysclk_check },
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{ "PLL1", NULL, "OSC", adav80x_dapm_pll_check },
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{ "PLL2", NULL, "OSC", adav80x_dapm_pll_check },
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{ "ADC", NULL, "SYSCLK" },
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{ "DAC", NULL, "SYSCLK" },
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{ "AIFOUT", NULL, "SYSCLK" },
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{ "AIFAUXOUT", NULL, "SYSCLK" },
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{ "AIFIN", NULL, "SYSCLK" },
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{ "AIFAUXIN", NULL, "SYSCLK" },
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};
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static int adav80x_set_deemph(struct snd_soc_codec *codec)
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{
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struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
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unsigned int val;
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if (adav80x->deemph) {
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switch (adav80x->rate) {
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case 32000:
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val = ADAV80X_DAC_CTRL2_DEEMPH_32;
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break;
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case 44100:
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val = ADAV80X_DAC_CTRL2_DEEMPH_44;
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break;
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case 48000:
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case 64000:
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case 88200:
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case 96000:
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val = ADAV80X_DAC_CTRL2_DEEMPH_48;
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break;
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default:
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val = ADAV80X_DAC_CTRL2_DEEMPH_NONE;
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break;
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}
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} else {
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val = ADAV80X_DAC_CTRL2_DEEMPH_NONE;
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}
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return snd_soc_update_bits(codec, ADAV80X_DAC_CTRL2,
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ADAV80X_DAC_CTRL2_DEEMPH_MASK, val);
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}
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static int adav80x_put_deemph(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
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struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
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unsigned int deemph = ucontrol->value.enumerated.item[0];
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if (deemph > 1)
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return -EINVAL;
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adav80x->deemph = deemph;
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return adav80x_set_deemph(codec);
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}
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static int adav80x_get_deemph(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
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struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
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ucontrol->value.enumerated.item[0] = adav80x->deemph;
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return 0;
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};
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static const DECLARE_TLV_DB_SCALE(adav80x_inpga_tlv, 0, 50, 0);
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static const DECLARE_TLV_DB_MINMAX(adav80x_digital_tlv, -9563, 0);
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static const struct snd_kcontrol_new adav80x_controls[] = {
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SOC_DOUBLE_R_TLV("Master Playback Volume", ADAV80X_DAC_L_VOL,
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ADAV80X_DAC_R_VOL, 0, 0xff, 0, adav80x_digital_tlv),
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SOC_DOUBLE_R_TLV("Master Capture Volume", ADAV80X_ADC_L_VOL,
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ADAV80X_ADC_R_VOL, 0, 0xff, 0, adav80x_digital_tlv),
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SOC_DOUBLE_R_TLV("PGA Capture Volume", ADAV80X_PGA_L_VOL,
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ADAV80X_PGA_R_VOL, 0, 0x30, 0, adav80x_inpga_tlv),
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SOC_DOUBLE("Master Playback Switch", ADAV80X_DAC_CTRL1, 0, 1, 1, 0),
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SOC_DOUBLE("Master Capture Switch", ADAV80X_ADC_CTRL1, 2, 3, 1, 1),
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SOC_SINGLE("ADC High Pass Filter Switch", ADAV80X_ADC_CTRL1, 6, 1, 0),
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SOC_SINGLE_BOOL_EXT("Playback De-emphasis Switch", 0,
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adav80x_get_deemph, adav80x_put_deemph),
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};
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static unsigned int adav80x_port_ctrl_regs[2][2] = {
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{ ADAV80X_REC_CTRL, ADAV80X_PLAYBACK_CTRL, },
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{ ADAV80X_AUX_OUT_CTRL, ADAV80X_AUX_IN_CTRL },
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};
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static int adav80x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
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{
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struct snd_soc_codec *codec = dai->codec;
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struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
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unsigned int capture = 0x00;
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unsigned int playback = 0x00;
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switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
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case SND_SOC_DAIFMT_CBM_CFM:
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capture |= ADAV80X_CAPTURE_MODE_MASTER;
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playback |= ADAV80X_PLAYBACK_MODE_MASTER;
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case SND_SOC_DAIFMT_CBS_CFS:
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break;
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default:
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return -EINVAL;
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}
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switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
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case SND_SOC_DAIFMT_I2S:
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capture |= ADAV80X_CAPTURE_MODE_I2S;
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playback |= ADAV80X_PLAYBACK_MODE_I2S;
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break;
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case SND_SOC_DAIFMT_LEFT_J:
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capture |= ADAV80X_CAPTURE_MODE_LEFT_J;
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|
playback |= ADAV80X_PLAYBACK_MODE_LEFT_J;
|
|
break;
|
|
case SND_SOC_DAIFMT_RIGHT_J:
|
|
capture |= ADAV80X_CAPTURE_MODE_RIGHT_J;
|
|
playback |= ADAV80X_PLAYBACK_MODE_RIGHT_J_24;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
|
|
case SND_SOC_DAIFMT_NB_NF:
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
snd_soc_update_bits(codec, adav80x_port_ctrl_regs[dai->id][0],
|
|
ADAV80X_CAPTURE_MODE_MASK | ADAV80X_CAPTURE_MODE_MASTER,
|
|
capture);
|
|
snd_soc_write(codec, adav80x_port_ctrl_regs[dai->id][1], playback);
|
|
|
|
adav80x->dai_fmt[dai->id] = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adav80x_set_adc_clock(struct snd_soc_codec *codec,
|
|
unsigned int sample_rate)
|
|
{
|
|
unsigned int val;
|
|
|
|
if (sample_rate <= 48000)
|
|
val = ADAV80X_ADC_CTRL1_MODULATOR_128FS;
|
|
else
|
|
val = ADAV80X_ADC_CTRL1_MODULATOR_64FS;
|
|
|
|
snd_soc_update_bits(codec, ADAV80X_ADC_CTRL1,
|
|
ADAV80X_ADC_CTRL1_MODULATOR_MASK, val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adav80x_set_dac_clock(struct snd_soc_codec *codec,
|
|
unsigned int sample_rate)
|
|
{
|
|
unsigned int val;
|
|
|
|
if (sample_rate <= 48000)
|
|
val = ADAV80X_DAC_CTRL2_DIV1 | ADAV80X_DAC_CTRL2_INTERPOL_256FS;
|
|
else
|
|
val = ADAV80X_DAC_CTRL2_DIV2 | ADAV80X_DAC_CTRL2_INTERPOL_128FS;
|
|
|
|
snd_soc_update_bits(codec, ADAV80X_DAC_CTRL2,
|
|
ADAV80X_DAC_CTRL2_DIV_MASK | ADAV80X_DAC_CTRL2_INTERPOL_MASK,
|
|
val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adav80x_set_capture_pcm_format(struct snd_soc_codec *codec,
|
|
struct snd_soc_dai *dai, snd_pcm_format_t format)
|
|
{
|
|
unsigned int val;
|
|
|
|
switch (format) {
|
|
case SNDRV_PCM_FORMAT_S16_LE:
|
|
val = ADAV80X_CAPTURE_WORD_LEN16;
|
|
break;
|
|
case SNDRV_PCM_FORMAT_S18_3LE:
|
|
val = ADAV80X_CAPTRUE_WORD_LEN18;
|
|
break;
|
|
case SNDRV_PCM_FORMAT_S20_3LE:
|
|
val = ADAV80X_CAPTURE_WORD_LEN20;
|
|
break;
|
|
case SNDRV_PCM_FORMAT_S24_LE:
|
|
val = ADAV80X_CAPTURE_WORD_LEN24;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
snd_soc_update_bits(codec, adav80x_port_ctrl_regs[dai->id][0],
|
|
ADAV80X_CAPTURE_WORD_LEN_MASK, val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adav80x_set_playback_pcm_format(struct snd_soc_codec *codec,
|
|
struct snd_soc_dai *dai, snd_pcm_format_t format)
|
|
{
|
|
struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
|
|
unsigned int val;
|
|
|
|
if (adav80x->dai_fmt[dai->id] != SND_SOC_DAIFMT_RIGHT_J)
|
|
return 0;
|
|
|
|
switch (format) {
|
|
case SNDRV_PCM_FORMAT_S16_LE:
|
|
val = ADAV80X_PLAYBACK_MODE_RIGHT_J_16;
|
|
break;
|
|
case SNDRV_PCM_FORMAT_S18_3LE:
|
|
val = ADAV80X_PLAYBACK_MODE_RIGHT_J_18;
|
|
break;
|
|
case SNDRV_PCM_FORMAT_S20_3LE:
|
|
val = ADAV80X_PLAYBACK_MODE_RIGHT_J_20;
|
|
break;
|
|
case SNDRV_PCM_FORMAT_S24_LE:
|
|
val = ADAV80X_PLAYBACK_MODE_RIGHT_J_24;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
snd_soc_update_bits(codec, adav80x_port_ctrl_regs[dai->id][1],
|
|
ADAV80X_PLAYBACK_MODE_MASK, val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adav80x_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_codec *codec = dai->codec;
|
|
struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
|
|
unsigned int rate = params_rate(params);
|
|
|
|
if (rate * 256 != adav80x->sysclk)
|
|
return -EINVAL;
|
|
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
|
adav80x_set_playback_pcm_format(codec, dai,
|
|
params_format(params));
|
|
adav80x_set_dac_clock(codec, rate);
|
|
} else {
|
|
adav80x_set_capture_pcm_format(codec, dai,
|
|
params_format(params));
|
|
adav80x_set_adc_clock(codec, rate);
|
|
}
|
|
adav80x->rate = rate;
|
|
adav80x_set_deemph(codec);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adav80x_set_sysclk(struct snd_soc_codec *codec,
|
|
int clk_id, int source,
|
|
unsigned int freq, int dir)
|
|
{
|
|
struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
|
|
|
|
if (dir == SND_SOC_CLOCK_IN) {
|
|
switch (clk_id) {
|
|
case ADAV80X_CLK_XIN:
|
|
case ADAV80X_CLK_XTAL:
|
|
case ADAV80X_CLK_MCLKI:
|
|
case ADAV80X_CLK_PLL1:
|
|
case ADAV80X_CLK_PLL2:
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
adav80x->sysclk = freq;
|
|
|
|
if (adav80x->clk_src != clk_id) {
|
|
unsigned int iclk_ctrl1, iclk_ctrl2;
|
|
|
|
adav80x->clk_src = clk_id;
|
|
if (clk_id == ADAV80X_CLK_XTAL)
|
|
clk_id = ADAV80X_CLK_XIN;
|
|
|
|
iclk_ctrl1 = ADAV80X_ICLK_CTRL1_DAC_SRC(clk_id) |
|
|
ADAV80X_ICLK_CTRL1_ADC_SRC(clk_id) |
|
|
ADAV80X_ICLK_CTRL1_ICLK2_SRC(clk_id);
|
|
iclk_ctrl2 = ADAV80X_ICLK_CTRL2_ICLK1_SRC(clk_id);
|
|
|
|
snd_soc_write(codec, ADAV80X_ICLK_CTRL1, iclk_ctrl1);
|
|
snd_soc_write(codec, ADAV80X_ICLK_CTRL2, iclk_ctrl2);
|
|
|
|
snd_soc_dapm_sync(&codec->dapm);
|
|
}
|
|
} else {
|
|
unsigned int mask;
|
|
|
|
switch (clk_id) {
|
|
case ADAV80X_CLK_SYSCLK1:
|
|
case ADAV80X_CLK_SYSCLK2:
|
|
case ADAV80X_CLK_SYSCLK3:
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
clk_id -= ADAV80X_CLK_SYSCLK1;
|
|
mask = ADAV80X_PLL_OUTE_SYSCLKPD(clk_id);
|
|
|
|
if (freq == 0) {
|
|
snd_soc_update_bits(codec, ADAV80X_PLL_OUTE, mask, mask);
|
|
adav80x->sysclk_pd[clk_id] = true;
|
|
} else {
|
|
snd_soc_update_bits(codec, ADAV80X_PLL_OUTE, mask, 0);
|
|
adav80x->sysclk_pd[clk_id] = false;
|
|
}
|
|
|
|
if (adav80x->sysclk_pd[0])
|
|
snd_soc_dapm_disable_pin(&codec->dapm, "PLL1");
|
|
else
|
|
snd_soc_dapm_force_enable_pin(&codec->dapm, "PLL1");
|
|
|
|
if (adav80x->sysclk_pd[1] || adav80x->sysclk_pd[2])
|
|
snd_soc_dapm_disable_pin(&codec->dapm, "PLL2");
|
|
else
|
|
snd_soc_dapm_force_enable_pin(&codec->dapm, "PLL2");
|
|
|
|
snd_soc_dapm_sync(&codec->dapm);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adav80x_set_pll(struct snd_soc_codec *codec, int pll_id,
|
|
int source, unsigned int freq_in, unsigned int freq_out)
|
|
{
|
|
struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
|
|
unsigned int pll_ctrl1 = 0;
|
|
unsigned int pll_ctrl2 = 0;
|
|
unsigned int pll_src;
|
|
|
|
switch (source) {
|
|
case ADAV80X_PLL_SRC_XTAL:
|
|
case ADAV80X_PLL_SRC_XIN:
|
|
case ADAV80X_PLL_SRC_MCLKI:
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (!freq_out)
|
|
return 0;
|
|
|
|
switch (freq_in) {
|
|
case 27000000:
|
|
break;
|
|
case 54000000:
|
|
if (source == ADAV80X_PLL_SRC_XIN) {
|
|
pll_ctrl1 |= ADAV80X_PLL_CTRL1_PLLDIV;
|
|
break;
|
|
}
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (freq_out > 12288000) {
|
|
pll_ctrl2 |= ADAV80X_PLL_CTRL2_DOUB(pll_id);
|
|
freq_out /= 2;
|
|
}
|
|
|
|
/* freq_out = sample_rate * 256 */
|
|
switch (freq_out) {
|
|
case 8192000:
|
|
pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_32(pll_id);
|
|
break;
|
|
case 11289600:
|
|
pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_44(pll_id);
|
|
break;
|
|
case 12288000:
|
|
pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_48(pll_id);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
snd_soc_update_bits(codec, ADAV80X_PLL_CTRL1, ADAV80X_PLL_CTRL1_PLLDIV,
|
|
pll_ctrl1);
|
|
snd_soc_update_bits(codec, ADAV80X_PLL_CTRL2,
|
|
ADAV80X_PLL_CTRL2_PLL_MASK(pll_id), pll_ctrl2);
|
|
|
|
if (source != adav80x->pll_src) {
|
|
if (source == ADAV80X_PLL_SRC_MCLKI)
|
|
pll_src = ADAV80X_PLL_CLK_SRC_PLL_MCLKI(pll_id);
|
|
else
|
|
pll_src = ADAV80X_PLL_CLK_SRC_PLL_XIN(pll_id);
|
|
|
|
snd_soc_update_bits(codec, ADAV80X_PLL_CLK_SRC,
|
|
ADAV80X_PLL_CLK_SRC_PLL_MASK(pll_id), pll_src);
|
|
|
|
adav80x->pll_src = source;
|
|
|
|
snd_soc_dapm_sync(&codec->dapm);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adav80x_set_bias_level(struct snd_soc_codec *codec,
|
|
enum snd_soc_bias_level level)
|
|
{
|
|
unsigned int mask = ADAV80X_DAC_CTRL1_PD;
|
|
|
|
switch (level) {
|
|
case SND_SOC_BIAS_ON:
|
|
break;
|
|
case SND_SOC_BIAS_PREPARE:
|
|
break;
|
|
case SND_SOC_BIAS_STANDBY:
|
|
snd_soc_update_bits(codec, ADAV80X_DAC_CTRL1, mask, 0x00);
|
|
break;
|
|
case SND_SOC_BIAS_OFF:
|
|
snd_soc_update_bits(codec, ADAV80X_DAC_CTRL1, mask, mask);
|
|
break;
|
|
}
|
|
|
|
codec->dapm.bias_level = level;
|
|
return 0;
|
|
}
|
|
|
|
/* Enforce the same sample rate on all audio interfaces */
|
|
static int adav80x_dai_startup(struct snd_pcm_substream *substream,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_codec *codec = dai->codec;
|
|
struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
|
|
|
|
if (!codec->active || !adav80x->rate)
|
|
return 0;
|
|
|
|
return snd_pcm_hw_constraint_minmax(substream->runtime,
|
|
SNDRV_PCM_HW_PARAM_RATE, adav80x->rate, adav80x->rate);
|
|
}
|
|
|
|
static void adav80x_dai_shutdown(struct snd_pcm_substream *substream,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_codec *codec = dai->codec;
|
|
struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
|
|
|
|
if (!codec->active)
|
|
adav80x->rate = 0;
|
|
}
|
|
|
|
static const struct snd_soc_dai_ops adav80x_dai_ops = {
|
|
.set_fmt = adav80x_set_dai_fmt,
|
|
.hw_params = adav80x_hw_params,
|
|
.startup = adav80x_dai_startup,
|
|
.shutdown = adav80x_dai_shutdown,
|
|
};
|
|
|
|
#define ADAV80X_PLAYBACK_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
|
|
SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_64000 | SNDRV_PCM_RATE_88200 | \
|
|
SNDRV_PCM_RATE_96000)
|
|
|
|
#define ADAV80X_CAPTURE_RATES (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000)
|
|
|
|
#define ADAV80X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE | \
|
|
SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE)
|
|
|
|
static struct snd_soc_dai_driver adav80x_dais[] = {
|
|
{
|
|
.name = "adav80x-hifi",
|
|
.id = 0,
|
|
.playback = {
|
|
.stream_name = "HiFi Playback",
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.rates = ADAV80X_PLAYBACK_RATES,
|
|
.formats = ADAV80X_FORMATS,
|
|
},
|
|
.capture = {
|
|
.stream_name = "HiFi Capture",
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.rates = ADAV80X_CAPTURE_RATES,
|
|
.formats = ADAV80X_FORMATS,
|
|
},
|
|
.ops = &adav80x_dai_ops,
|
|
},
|
|
{
|
|
.name = "adav80x-aux",
|
|
.id = 1,
|
|
.playback = {
|
|
.stream_name = "Aux Playback",
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.rates = ADAV80X_PLAYBACK_RATES,
|
|
.formats = ADAV80X_FORMATS,
|
|
},
|
|
.capture = {
|
|
.stream_name = "Aux Capture",
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.rates = ADAV80X_CAPTURE_RATES,
|
|
.formats = ADAV80X_FORMATS,
|
|
},
|
|
.ops = &adav80x_dai_ops,
|
|
},
|
|
};
|
|
|
|
static int adav80x_probe(struct snd_soc_codec *codec)
|
|
{
|
|
int ret;
|
|
struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
|
|
|
|
ret = snd_soc_codec_set_cache_io(codec, 7, 9, adav80x->control_type);
|
|
if (ret) {
|
|
dev_err(codec->dev, "failed to set cache I/O: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
/* Force PLLs on for SYSCLK output */
|
|
snd_soc_dapm_force_enable_pin(&codec->dapm, "PLL1");
|
|
snd_soc_dapm_force_enable_pin(&codec->dapm, "PLL2");
|
|
|
|
/* Power down S/PDIF receiver, since it is currently not supported */
|
|
snd_soc_write(codec, ADAV80X_PLL_OUTE, 0x20);
|
|
/* Disable DAC zero flag */
|
|
snd_soc_write(codec, ADAV80X_DAC_CTRL3, 0x6);
|
|
|
|
return adav80x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
|
|
}
|
|
|
|
static int adav80x_suspend(struct snd_soc_codec *codec, pm_message_t state)
|
|
{
|
|
return adav80x_set_bias_level(codec, SND_SOC_BIAS_OFF);
|
|
}
|
|
|
|
static int adav80x_resume(struct snd_soc_codec *codec)
|
|
{
|
|
adav80x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
|
|
codec->cache_sync = 1;
|
|
snd_soc_cache_sync(codec);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adav80x_remove(struct snd_soc_codec *codec)
|
|
{
|
|
return adav80x_set_bias_level(codec, SND_SOC_BIAS_OFF);
|
|
}
|
|
|
|
static struct snd_soc_codec_driver adav80x_codec_driver = {
|
|
.probe = adav80x_probe,
|
|
.remove = adav80x_remove,
|
|
.suspend = adav80x_suspend,
|
|
.resume = adav80x_resume,
|
|
.set_bias_level = adav80x_set_bias_level,
|
|
|
|
.set_pll = adav80x_set_pll,
|
|
.set_sysclk = adav80x_set_sysclk,
|
|
|
|
.reg_word_size = sizeof(u8),
|
|
.reg_cache_size = ARRAY_SIZE(adav80x_default_regs),
|
|
.reg_cache_default = adav80x_default_regs,
|
|
|
|
.controls = adav80x_controls,
|
|
.num_controls = ARRAY_SIZE(adav80x_controls),
|
|
.dapm_widgets = adav80x_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(adav80x_dapm_widgets),
|
|
.dapm_routes = adav80x_dapm_routes,
|
|
.num_dapm_routes = ARRAY_SIZE(adav80x_dapm_routes),
|
|
};
|
|
|
|
static int __devinit adav80x_bus_probe(struct device *dev,
|
|
enum snd_soc_control_type control_type)
|
|
{
|
|
struct adav80x *adav80x;
|
|
int ret;
|
|
|
|
adav80x = kzalloc(sizeof(*adav80x), GFP_KERNEL);
|
|
if (!adav80x)
|
|
return -ENOMEM;
|
|
|
|
dev_set_drvdata(dev, adav80x);
|
|
adav80x->control_type = control_type;
|
|
|
|
ret = snd_soc_register_codec(dev, &adav80x_codec_driver,
|
|
adav80x_dais, ARRAY_SIZE(adav80x_dais));
|
|
if (ret)
|
|
kfree(adav80x);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int __devexit adav80x_bus_remove(struct device *dev)
|
|
{
|
|
snd_soc_unregister_codec(dev);
|
|
kfree(dev_get_drvdata(dev));
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_SPI_MASTER)
|
|
static int __devinit adav80x_spi_probe(struct spi_device *spi)
|
|
{
|
|
return adav80x_bus_probe(&spi->dev, SND_SOC_SPI);
|
|
}
|
|
|
|
static int __devexit adav80x_spi_remove(struct spi_device *spi)
|
|
{
|
|
return adav80x_bus_remove(&spi->dev);
|
|
}
|
|
|
|
static struct spi_driver adav80x_spi_driver = {
|
|
.driver = {
|
|
.name = "adav801",
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.probe = adav80x_spi_probe,
|
|
.remove = __devexit_p(adav80x_spi_remove),
|
|
};
|
|
#endif
|
|
|
|
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
|
|
static const struct i2c_device_id adav80x_id[] = {
|
|
{ "adav803", 0 },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, adav80x_id);
|
|
|
|
static int __devinit adav80x_i2c_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
return adav80x_bus_probe(&client->dev, SND_SOC_I2C);
|
|
}
|
|
|
|
static int __devexit adav80x_i2c_remove(struct i2c_client *client)
|
|
{
|
|
return adav80x_bus_remove(&client->dev);
|
|
}
|
|
|
|
static struct i2c_driver adav80x_i2c_driver = {
|
|
.driver = {
|
|
.name = "adav803",
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.probe = adav80x_i2c_probe,
|
|
.remove = __devexit_p(adav80x_i2c_remove),
|
|
.id_table = adav80x_id,
|
|
};
|
|
#endif
|
|
|
|
static int __init adav80x_init(void)
|
|
{
|
|
int ret = 0;
|
|
|
|
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
|
|
ret = i2c_add_driver(&adav80x_i2c_driver);
|
|
if (ret)
|
|
return ret;
|
|
#endif
|
|
|
|
#if defined(CONFIG_SPI_MASTER)
|
|
ret = spi_register_driver(&adav80x_spi_driver);
|
|
#endif
|
|
|
|
return ret;
|
|
}
|
|
module_init(adav80x_init);
|
|
|
|
static void __exit adav80x_exit(void)
|
|
{
|
|
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
|
|
i2c_del_driver(&adav80x_i2c_driver);
|
|
#endif
|
|
#if defined(CONFIG_SPI_MASTER)
|
|
spi_unregister_driver(&adav80x_spi_driver);
|
|
#endif
|
|
}
|
|
module_exit(adav80x_exit);
|
|
|
|
MODULE_DESCRIPTION("ASoC ADAV80x driver");
|
|
MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
|
|
MODULE_AUTHOR("Yi Li <yi.li@analog.com>>");
|
|
MODULE_LICENSE("GPL");
|