/* * max98095.c -- MAX98095 ALSA SoC Audio driver * * Copyright 2011 Maxim Integrated Products * * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "max98095.h" enum max98095_type { MAX98095, }; struct max98095_cdata { unsigned int rate; unsigned int fmt; int eq_sel; int bq_sel; }; struct max98095_priv { enum max98095_type devtype; void *control_data; struct max98095_pdata *pdata; unsigned int sysclk; struct max98095_cdata dai[3]; const char **eq_texts; const char **bq_texts; struct soc_enum eq_enum; struct soc_enum bq_enum; int eq_textcnt; int bq_textcnt; u8 lin_state; unsigned int mic1pre; unsigned int mic2pre; }; static const u8 max98095_reg_def[M98095_REG_CNT] = { 0x00, /* 00 */ 0x00, /* 01 */ 0x00, /* 02 */ 0x00, /* 03 */ 0x00, /* 04 */ 0x00, /* 05 */ 0x00, /* 06 */ 0x00, /* 07 */ 0x00, /* 08 */ 0x00, /* 09 */ 0x00, /* 0A */ 0x00, /* 0B */ 0x00, /* 0C */ 0x00, /* 0D */ 0x00, /* 0E */ 0x00, /* 0F */ 0x00, /* 10 */ 0x00, /* 11 */ 0x00, /* 12 */ 0x00, /* 13 */ 0x00, /* 14 */ 0x00, /* 15 */ 0x00, /* 16 */ 0x00, /* 17 */ 0x00, /* 18 */ 0x00, /* 19 */ 0x00, /* 1A */ 0x00, /* 1B */ 0x00, /* 1C */ 0x00, /* 1D */ 0x00, /* 1E */ 0x00, /* 1F */ 0x00, /* 20 */ 0x00, /* 21 */ 0x00, /* 22 */ 0x00, /* 23 */ 0x00, /* 24 */ 0x00, /* 25 */ 0x00, /* 26 */ 0x00, /* 27 */ 0x00, /* 28 */ 0x00, /* 29 */ 0x00, /* 2A */ 0x00, /* 2B */ 0x00, /* 2C */ 0x00, /* 2D */ 0x00, /* 2E */ 0x00, /* 2F */ 0x00, /* 30 */ 0x00, /* 31 */ 0x00, /* 32 */ 0x00, /* 33 */ 0x00, /* 34 */ 0x00, /* 35 */ 0x00, /* 36 */ 0x00, /* 37 */ 0x00, /* 38 */ 0x00, /* 39 */ 0x00, /* 3A */ 0x00, /* 3B */ 0x00, /* 3C */ 0x00, /* 3D */ 0x00, /* 3E */ 0x00, /* 3F */ 0x00, /* 40 */ 0x00, /* 41 */ 0x00, /* 42 */ 0x00, /* 43 */ 0x00, /* 44 */ 0x00, /* 45 */ 0x00, /* 46 */ 0x00, /* 47 */ 0x00, /* 48 */ 0x00, /* 49 */ 0x00, /* 4A */ 0x00, /* 4B */ 0x00, /* 4C */ 0x00, /* 4D */ 0x00, /* 4E */ 0x00, /* 4F */ 0x00, /* 50 */ 0x00, /* 51 */ 0x00, /* 52 */ 0x00, /* 53 */ 0x00, /* 54 */ 0x00, /* 55 */ 0x00, /* 56 */ 0x00, /* 57 */ 0x00, /* 58 */ 0x00, /* 59 */ 0x00, /* 5A */ 0x00, /* 5B */ 0x00, /* 5C */ 0x00, /* 5D */ 0x00, /* 5E */ 0x00, /* 5F */ 0x00, /* 60 */ 0x00, /* 61 */ 0x00, /* 62 */ 0x00, /* 63 */ 0x00, /* 64 */ 0x00, /* 65 */ 0x00, /* 66 */ 0x00, /* 67 */ 0x00, /* 68 */ 0x00, /* 69 */ 0x00, /* 6A */ 0x00, /* 6B */ 0x00, /* 6C */ 0x00, /* 6D */ 0x00, /* 6E */ 0x00, /* 6F */ 0x00, /* 70 */ 0x00, /* 71 */ 0x00, /* 72 */ 0x00, /* 73 */ 0x00, /* 74 */ 0x00, /* 75 */ 0x00, /* 76 */ 0x00, /* 77 */ 0x00, /* 78 */ 0x00, /* 79 */ 0x00, /* 7A */ 0x00, /* 7B */ 0x00, /* 7C */ 0x00, /* 7D */ 0x00, /* 7E */ 0x00, /* 7F */ 0x00, /* 80 */ 0x00, /* 81 */ 0x00, /* 82 */ 0x00, /* 83 */ 0x00, /* 84 */ 0x00, /* 85 */ 0x00, /* 86 */ 0x00, /* 87 */ 0x00, /* 88 */ 0x00, /* 89 */ 0x00, /* 8A */ 0x00, /* 8B */ 0x00, /* 8C */ 0x00, /* 8D */ 0x00, /* 8E */ 0x00, /* 8F */ 0x00, /* 90 */ 0x00, /* 91 */ 0x30, /* 92 */ 0xF0, /* 93 */ 0x00, /* 94 */ 0x00, /* 95 */ 0x3F, /* 96 */ 0x00, /* 97 */ 0x00, /* 98 */ 0x00, /* 99 */ 0x00, /* 9A */ 0x00, /* 9B */ 0x00, /* 9C */ 0x00, /* 9D */ 0x00, /* 9E */ 0x00, /* 9F */ 0x00, /* A0 */ 0x00, /* A1 */ 0x00, /* A2 */ 0x00, /* A3 */ 0x00, /* A4 */ 0x00, /* A5 */ 0x00, /* A6 */ 0x00, /* A7 */ 0x00, /* A8 */ 0x00, /* A9 */ 0x00, /* AA */ 0x00, /* AB */ 0x00, /* AC */ 0x00, /* AD */ 0x00, /* AE */ 0x00, /* AF */ 0x00, /* B0 */ 0x00, /* B1 */ 0x00, /* B2 */ 0x00, /* B3 */ 0x00, /* B4 */ 0x00, /* B5 */ 0x00, /* B6 */ 0x00, /* B7 */ 0x00, /* B8 */ 0x00, /* B9 */ 0x00, /* BA */ 0x00, /* BB */ 0x00, /* BC */ 0x00, /* BD */ 0x00, /* BE */ 0x00, /* BF */ 0x00, /* C0 */ 0x00, /* C1 */ 0x00, /* C2 */ 0x00, /* C3 */ 0x00, /* C4 */ 0x00, /* C5 */ 0x00, /* C6 */ 0x00, /* C7 */ 0x00, /* C8 */ 0x00, /* C9 */ 0x00, /* CA */ 0x00, /* CB */ 0x00, /* CC */ 0x00, /* CD */ 0x00, /* CE */ 0x00, /* CF */ 0x00, /* D0 */ 0x00, /* D1 */ 0x00, /* D2 */ 0x00, /* D3 */ 0x00, /* D4 */ 0x00, /* D5 */ 0x00, /* D6 */ 0x00, /* D7 */ 0x00, /* D8 */ 0x00, /* D9 */ 0x00, /* DA */ 0x00, /* DB */ 0x00, /* DC */ 0x00, /* DD */ 0x00, /* DE */ 0x00, /* DF */ 0x00, /* E0 */ 0x00, /* E1 */ 0x00, /* E2 */ 0x00, /* E3 */ 0x00, /* E4 */ 0x00, /* E5 */ 0x00, /* E6 */ 0x00, /* E7 */ 0x00, /* E8 */ 0x00, /* E9 */ 0x00, /* EA */ 0x00, /* EB */ 0x00, /* EC */ 0x00, /* ED */ 0x00, /* EE */ 0x00, /* EF */ 0x00, /* F0 */ 0x00, /* F1 */ 0x00, /* F2 */ 0x00, /* F3 */ 0x00, /* F4 */ 0x00, /* F5 */ 0x00, /* F6 */ 0x00, /* F7 */ 0x00, /* F8 */ 0x00, /* F9 */ 0x00, /* FA */ 0x00, /* FB */ 0x00, /* FC */ 0x00, /* FD */ 0x00, /* FE */ 0x00, /* FF */ }; static struct { int readable; int writable; } max98095_access[M98095_REG_CNT] = { { 0x00, 0x00 }, /* 00 */ { 0xFF, 0x00 }, /* 01 */ { 0xFF, 0x00 }, /* 02 */ { 0xFF, 0x00 }, /* 03 */ { 0xFF, 0x00 }, /* 04 */ { 0xFF, 0x00 }, /* 05 */ { 0xFF, 0x00 }, /* 06 */ { 0xFF, 0x00 }, /* 07 */ { 0xFF, 0x00 }, /* 08 */ { 0xFF, 0x00 }, /* 09 */ { 0xFF, 0x00 }, /* 0A */ { 0xFF, 0x00 }, /* 0B */ { 0xFF, 0x00 }, /* 0C */ { 0xFF, 0x00 }, /* 0D */ { 0xFF, 0x00 }, /* 0E */ { 0xFF, 0x9F }, /* 0F */ { 0xFF, 0xFF }, /* 10 */ { 0xFF, 0xFF }, /* 11 */ { 0xFF, 0xFF }, /* 12 */ { 0xFF, 0xFF }, /* 13 */ { 0xFF, 0xFF }, /* 14 */ { 0xFF, 0xFF }, /* 15 */ { 0xFF, 0xFF }, /* 16 */ { 0xFF, 0xFF }, /* 17 */ { 0xFF, 0xFF }, /* 18 */ { 0xFF, 0xFF }, /* 19 */ { 0xFF, 0xFF }, /* 1A */ { 0xFF, 0xFF }, /* 1B */ { 0xFF, 0xFF }, /* 1C */ { 0xFF, 0xFF }, /* 1D */ { 0xFF, 0x77 }, /* 1E */ { 0xFF, 0x77 }, /* 1F */ { 0xFF, 0x77 }, /* 20 */ { 0xFF, 0x77 }, /* 21 */ { 0xFF, 0x77 }, /* 22 */ { 0xFF, 0x77 }, /* 23 */ { 0xFF, 0xFF }, /* 24 */ { 0xFF, 0x7F }, /* 25 */ { 0xFF, 0x31 }, /* 26 */ { 0xFF, 0xFF }, /* 27 */ { 0xFF, 0xFF }, /* 28 */ { 0xFF, 0xFF }, /* 29 */ { 0xFF, 0xF7 }, /* 2A */ { 0xFF, 0x2F }, /* 2B */ { 0xFF, 0xEF }, /* 2C */ { 0xFF, 0xFF }, /* 2D */ { 0xFF, 0xFF }, /* 2E */ { 0xFF, 0xFF }, /* 2F */ { 0xFF, 0xFF }, /* 30 */ { 0xFF, 0xFF }, /* 31 */ { 0xFF, 0xFF }, /* 32 */ { 0xFF, 0xFF }, /* 33 */ { 0xFF, 0xF7 }, /* 34 */ { 0xFF, 0x2F }, /* 35 */ { 0xFF, 0xCF }, /* 36 */ { 0xFF, 0xFF }, /* 37 */ { 0xFF, 0xFF }, /* 38 */ { 0xFF, 0xFF }, /* 39 */ { 0xFF, 0xFF }, /* 3A */ { 0xFF, 0xFF }, /* 3B */ { 0xFF, 0xFF }, /* 3C */ { 0xFF, 0xFF }, /* 3D */ { 0xFF, 0xF7 }, /* 3E */ { 0xFF, 0x2F }, /* 3F */ { 0xFF, 0xCF }, /* 40 */ { 0xFF, 0xFF }, /* 41 */ { 0xFF, 0x77 }, /* 42 */ { 0xFF, 0xFF }, /* 43 */ { 0xFF, 0xFF }, /* 44 */ { 0xFF, 0xFF }, /* 45 */ { 0xFF, 0xFF }, /* 46 */ { 0xFF, 0xFF }, /* 47 */ { 0xFF, 0xFF }, /* 48 */ { 0xFF, 0x0F }, /* 49 */ { 0xFF, 0xFF }, /* 4A */ { 0xFF, 0xFF }, /* 4B */ { 0xFF, 0x3F }, /* 4C */ { 0xFF, 0x3F }, /* 4D */ { 0xFF, 0x3F }, /* 4E */ { 0xFF, 0xFF }, /* 4F */ { 0xFF, 0x7F }, /* 50 */ { 0xFF, 0x7F }, /* 51 */ { 0xFF, 0x0F }, /* 52 */ { 0xFF, 0x3F }, /* 53 */ { 0xFF, 0x3F }, /* 54 */ { 0xFF, 0x3F }, /* 55 */ { 0xFF, 0xFF }, /* 56 */ { 0xFF, 0xFF }, /* 57 */ { 0xFF, 0xBF }, /* 58 */ { 0xFF, 0x1F }, /* 59 */ { 0xFF, 0xBF }, /* 5A */ { 0xFF, 0x1F }, /* 5B */ { 0xFF, 0xBF }, /* 5C */ { 0xFF, 0x3F }, /* 5D */ { 0xFF, 0x3F }, /* 5E */ { 0xFF, 0x7F }, /* 5F */ { 0xFF, 0x7F }, /* 60 */ { 0xFF, 0x47 }, /* 61 */ { 0xFF, 0x9F }, /* 62 */ { 0xFF, 0x9F }, /* 63 */ { 0xFF, 0x9F }, /* 64 */ { 0xFF, 0x9F }, /* 65 */ { 0xFF, 0x9F }, /* 66 */ { 0xFF, 0xBF }, /* 67 */ { 0xFF, 0xBF }, /* 68 */ { 0xFF, 0xFF }, /* 69 */ { 0xFF, 0xFF }, /* 6A */ { 0xFF, 0x7F }, /* 6B */ { 0xFF, 0xF7 }, /* 6C */ { 0xFF, 0xFF }, /* 6D */ { 0xFF, 0xFF }, /* 6E */ { 0xFF, 0x1F }, /* 6F */ { 0xFF, 0xF7 }, /* 70 */ { 0xFF, 0xFF }, /* 71 */ { 0xFF, 0xFF }, /* 72 */ { 0xFF, 0x1F }, /* 73 */ { 0xFF, 0xF7 }, /* 74 */ { 0xFF, 0xFF }, /* 75 */ { 0xFF, 0xFF }, /* 76 */ { 0xFF, 0x1F }, /* 77 */ { 0xFF, 0xF7 }, /* 78 */ { 0xFF, 0xFF }, /* 79 */ { 0xFF, 0xFF }, /* 7A */ { 0xFF, 0x1F }, /* 7B */ { 0xFF, 0xF7 }, /* 7C */ { 0xFF, 0xFF }, /* 7D */ { 0xFF, 0xFF }, /* 7E */ { 0xFF, 0x1F }, /* 7F */ { 0xFF, 0xF7 }, /* 80 */ { 0xFF, 0xFF }, /* 81 */ { 0xFF, 0xFF }, /* 82 */ { 0xFF, 0x1F }, /* 83 */ { 0xFF, 0x7F }, /* 84 */ { 0xFF, 0x0F }, /* 85 */ { 0xFF, 0xD8 }, /* 86 */ { 0xFF, 0xFF }, /* 87 */ { 0xFF, 0xEF }, /* 88 */ { 0xFF, 0xFE }, /* 89 */ { 0xFF, 0xFE }, /* 8A */ { 0xFF, 0xFF }, /* 8B */ { 0xFF, 0xFF }, /* 8C */ { 0xFF, 0x3F }, /* 8D */ { 0xFF, 0xFF }, /* 8E */ { 0xFF, 0x3F }, /* 8F */ { 0xFF, 0x8F }, /* 90 */ { 0xFF, 0xFF }, /* 91 */ { 0xFF, 0x3F }, /* 92 */ { 0xFF, 0xFF }, /* 93 */ { 0xFF, 0xFF }, /* 94 */ { 0xFF, 0x0F }, /* 95 */ { 0xFF, 0x3F }, /* 96 */ { 0xFF, 0x8C }, /* 97 */ { 0x00, 0x00 }, /* 98 */ { 0x00, 0x00 }, /* 99 */ { 0x00, 0x00 }, /* 9A */ { 0x00, 0x00 }, /* 9B */ { 0x00, 0x00 }, /* 9C */ { 0x00, 0x00 }, /* 9D */ { 0x00, 0x00 }, /* 9E */ { 0x00, 0x00 }, /* 9F */ { 0x00, 0x00 }, /* A0 */ { 0x00, 0x00 }, /* A1 */ { 0x00, 0x00 }, /* A2 */ { 0x00, 0x00 }, /* A3 */ { 0x00, 0x00 }, /* A4 */ { 0x00, 0x00 }, /* A5 */ { 0x00, 0x00 }, /* A6 */ { 0x00, 0x00 }, /* A7 */ { 0x00, 0x00 }, /* A8 */ { 0x00, 0x00 }, /* A9 */ { 0x00, 0x00 }, /* AA */ { 0x00, 0x00 }, /* AB */ { 0x00, 0x00 }, /* AC */ { 0x00, 0x00 }, /* AD */ { 0x00, 0x00 }, /* AE */ { 0x00, 0x00 }, /* AF */ { 0x00, 0x00 }, /* B0 */ { 0x00, 0x00 }, /* B1 */ { 0x00, 0x00 }, /* B2 */ { 0x00, 0x00 }, /* B3 */ { 0x00, 0x00 }, /* B4 */ { 0x00, 0x00 }, /* B5 */ { 0x00, 0x00 }, /* B6 */ { 0x00, 0x00 }, /* B7 */ { 0x00, 0x00 }, /* B8 */ { 0x00, 0x00 }, /* B9 */ { 0x00, 0x00 }, /* BA */ { 0x00, 0x00 }, /* BB */ { 0x00, 0x00 }, /* BC */ { 0x00, 0x00 }, /* BD */ { 0x00, 0x00 }, /* BE */ { 0x00, 0x00 }, /* BF */ { 0x00, 0x00 }, /* C0 */ { 0x00, 0x00 }, /* C1 */ { 0x00, 0x00 }, /* C2 */ { 0x00, 0x00 }, /* C3 */ { 0x00, 0x00 }, /* C4 */ { 0x00, 0x00 }, /* C5 */ { 0x00, 0x00 }, /* C6 */ { 0x00, 0x00 }, /* C7 */ { 0x00, 0x00 }, /* C8 */ { 0x00, 0x00 }, /* C9 */ { 0x00, 0x00 }, /* CA */ { 0x00, 0x00 }, /* CB */ { 0x00, 0x00 }, /* CC */ { 0x00, 0x00 }, /* CD */ { 0x00, 0x00 }, /* CE */ { 0x00, 0x00 }, /* CF */ { 0x00, 0x00 }, /* D0 */ { 0x00, 0x00 }, /* D1 */ { 0x00, 0x00 }, /* D2 */ { 0x00, 0x00 }, /* D3 */ { 0x00, 0x00 }, /* D4 */ { 0x00, 0x00 }, /* D5 */ { 0x00, 0x00 }, /* D6 */ { 0x00, 0x00 }, /* D7 */ { 0x00, 0x00 }, /* D8 */ { 0x00, 0x00 }, /* D9 */ { 0x00, 0x00 }, /* DA */ { 0x00, 0x00 }, /* DB */ { 0x00, 0x00 }, /* DC */ { 0x00, 0x00 }, /* DD */ { 0x00, 0x00 }, /* DE */ { 0x00, 0x00 }, /* DF */ { 0x00, 0x00 }, /* E0 */ { 0x00, 0x00 }, /* E1 */ { 0x00, 0x00 }, /* E2 */ { 0x00, 0x00 }, /* E3 */ { 0x00, 0x00 }, /* E4 */ { 0x00, 0x00 }, /* E5 */ { 0x00, 0x00 }, /* E6 */ { 0x00, 0x00 }, /* E7 */ { 0x00, 0x00 }, /* E8 */ { 0x00, 0x00 }, /* E9 */ { 0x00, 0x00 }, /* EA */ { 0x00, 0x00 }, /* EB */ { 0x00, 0x00 }, /* EC */ { 0x00, 0x00 }, /* ED */ { 0x00, 0x00 }, /* EE */ { 0x00, 0x00 }, /* EF */ { 0x00, 0x00 }, /* F0 */ { 0x00, 0x00 }, /* F1 */ { 0x00, 0x00 }, /* F2 */ { 0x00, 0x00 }, /* F3 */ { 0x00, 0x00 }, /* F4 */ { 0x00, 0x00 }, /* F5 */ { 0x00, 0x00 }, /* F6 */ { 0x00, 0x00 }, /* F7 */ { 0x00, 0x00 }, /* F8 */ { 0x00, 0x00 }, /* F9 */ { 0x00, 0x00 }, /* FA */ { 0x00, 0x00 }, /* FB */ { 0x00, 0x00 }, /* FC */ { 0x00, 0x00 }, /* FD */ { 0x00, 0x00 }, /* FE */ { 0xFF, 0x00 }, /* FF */ }; static int max98095_readable(struct snd_soc_codec *codec, unsigned int reg) { if (reg >= M98095_REG_CNT) return 0; return max98095_access[reg].readable != 0; } static int max98095_volatile(struct snd_soc_codec *codec, unsigned int reg) { if (reg > M98095_REG_MAX_CACHED) return 1; switch (reg) { case M98095_000_HOST_DATA: case M98095_001_HOST_INT_STS: case M98095_002_HOST_RSP_STS: case M98095_003_HOST_CMD_STS: case M98095_004_CODEC_STS: case M98095_005_DAI1_ALC_STS: case M98095_006_DAI2_ALC_STS: case M98095_007_JACK_AUTO_STS: case M98095_008_JACK_MANUAL_STS: case M98095_009_JACK_VBAT_STS: case M98095_00A_ACC_ADC_STS: case M98095_00B_MIC_NG_AGC_STS: case M98095_00C_SPK_L_VOLT_STS: case M98095_00D_SPK_R_VOLT_STS: case M98095_00E_TEMP_SENSOR_STS: return 1; } return 0; } /* * Filter coefficients are in a separate register segment * and they share the address space of the normal registers. * The coefficient registers do not need or share the cache. */ static int max98095_hw_write(struct snd_soc_codec *codec, unsigned int reg, unsigned int value) { u8 data[2]; data[0] = reg; data[1] = value; if (codec->hw_write(codec->control_data, data, 2) == 2) return 0; else return -EIO; } /* * Load equalizer DSP coefficient configurations registers */ static void m98095_eq_band(struct snd_soc_codec *codec, unsigned int dai, unsigned int band, u16 *coefs) { unsigned int eq_reg; unsigned int i; BUG_ON(band > 4); BUG_ON(dai > 1); /* Load the base register address */ eq_reg = dai ? M98095_142_DAI2_EQ_BASE : M98095_110_DAI1_EQ_BASE; /* Add the band address offset, note adjustment for word address */ eq_reg += band * (M98095_COEFS_PER_BAND << 1); /* Step through the registers and coefs */ for (i = 0; i < M98095_COEFS_PER_BAND; i++) { max98095_hw_write(codec, eq_reg++, M98095_BYTE1(coefs[i])); max98095_hw_write(codec, eq_reg++, M98095_BYTE0(coefs[i])); } } /* * Load biquad filter coefficient configurations registers */ static void m98095_biquad_band(struct snd_soc_codec *codec, unsigned int dai, unsigned int band, u16 *coefs) { unsigned int bq_reg; unsigned int i; BUG_ON(band > 1); BUG_ON(dai > 1); /* Load the base register address */ bq_reg = dai ? M98095_17E_DAI2_BQ_BASE : M98095_174_DAI1_BQ_BASE; /* Add the band address offset, note adjustment for word address */ bq_reg += band * (M98095_COEFS_PER_BAND << 1); /* Step through the registers and coefs */ for (i = 0; i < M98095_COEFS_PER_BAND; i++) { max98095_hw_write(codec, bq_reg++, M98095_BYTE1(coefs[i])); max98095_hw_write(codec, bq_reg++, M98095_BYTE0(coefs[i])); } } static const char * const max98095_fltr_mode[] = { "Voice", "Music" }; static const struct soc_enum max98095_dai1_filter_mode_enum[] = { SOC_ENUM_SINGLE(M98095_02E_DAI1_FILTERS, 7, 2, max98095_fltr_mode), }; static const struct soc_enum max98095_dai2_filter_mode_enum[] = { SOC_ENUM_SINGLE(M98095_038_DAI2_FILTERS, 7, 2, max98095_fltr_mode), }; static const char * const max98095_extmic_text[] = { "None", "MIC1", "MIC2" }; static const struct soc_enum max98095_extmic_enum = SOC_ENUM_SINGLE(M98095_087_CFG_MIC, 0, 3, max98095_extmic_text); static const struct snd_kcontrol_new max98095_extmic_mux = SOC_DAPM_ENUM("External MIC Mux", max98095_extmic_enum); static const char * const max98095_linein_text[] = { "INA", "INB" }; static const struct soc_enum max98095_linein_enum = SOC_ENUM_SINGLE(M98095_086_CFG_LINE, 6, 2, max98095_linein_text); static const struct snd_kcontrol_new max98095_linein_mux = SOC_DAPM_ENUM("Linein Input Mux", max98095_linein_enum); static const char * const max98095_line_mode_text[] = { "Stereo", "Differential"}; static const struct soc_enum max98095_linein_mode_enum = SOC_ENUM_SINGLE(M98095_086_CFG_LINE, 7, 2, max98095_line_mode_text); static const struct soc_enum max98095_lineout_mode_enum = SOC_ENUM_SINGLE(M98095_086_CFG_LINE, 4, 2, max98095_line_mode_text); static const char * const max98095_dai_fltr[] = { "Off", "Elliptical-HPF-16k", "Butterworth-HPF-16k", "Elliptical-HPF-8k", "Butterworth-HPF-8k", "Butterworth-HPF-Fs/240"}; static const struct soc_enum max98095_dai1_dac_filter_enum[] = { SOC_ENUM_SINGLE(M98095_02E_DAI1_FILTERS, 0, 6, max98095_dai_fltr), }; static const struct soc_enum max98095_dai2_dac_filter_enum[] = { SOC_ENUM_SINGLE(M98095_038_DAI2_FILTERS, 0, 6, max98095_dai_fltr), }; static const struct soc_enum max98095_dai3_dac_filter_enum[] = { SOC_ENUM_SINGLE(M98095_042_DAI3_FILTERS, 0, 6, max98095_dai_fltr), }; static int max98095_mic1pre_set(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec); unsigned int sel = ucontrol->value.integer.value[0]; max98095->mic1pre = sel; snd_soc_update_bits(codec, M98095_05F_LVL_MIC1, M98095_MICPRE_MASK, (1+sel)<value.integer.value[0] = max98095->mic1pre; return 0; } static int max98095_mic2pre_set(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec); unsigned int sel = ucontrol->value.integer.value[0]; max98095->mic2pre = sel; snd_soc_update_bits(codec, M98095_060_LVL_MIC2, M98095_MICPRE_MASK, (1+sel)<value.integer.value[0] = max98095->mic2pre; return 0; } static const unsigned int max98095_micboost_tlv[] = { TLV_DB_RANGE_HEAD(2), 0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0), 2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0), }; static const DECLARE_TLV_DB_SCALE(max98095_mic_tlv, 0, 100, 0); static const DECLARE_TLV_DB_SCALE(max98095_adc_tlv, -1200, 100, 0); static const DECLARE_TLV_DB_SCALE(max98095_adcboost_tlv, 0, 600, 0); static const unsigned int max98095_hp_tlv[] = { TLV_DB_RANGE_HEAD(5), 0, 6, TLV_DB_SCALE_ITEM(-6700, 400, 0), 7, 14, TLV_DB_SCALE_ITEM(-4000, 300, 0), 15, 21, TLV_DB_SCALE_ITEM(-1700, 200, 0), 22, 27, TLV_DB_SCALE_ITEM(-400, 100, 0), 28, 31, TLV_DB_SCALE_ITEM(150, 50, 0), }; static const unsigned int max98095_spk_tlv[] = { TLV_DB_RANGE_HEAD(4), 0, 10, TLV_DB_SCALE_ITEM(-5900, 400, 0), 11, 18, TLV_DB_SCALE_ITEM(-1700, 200, 0), 19, 27, TLV_DB_SCALE_ITEM(-200, 100, 0), 28, 39, TLV_DB_SCALE_ITEM(650, 50, 0), }; static const unsigned int max98095_rcv_lout_tlv[] = { TLV_DB_RANGE_HEAD(5), 0, 6, TLV_DB_SCALE_ITEM(-6200, 400, 0), 7, 14, TLV_DB_SCALE_ITEM(-3500, 300, 0), 15, 21, TLV_DB_SCALE_ITEM(-1200, 200, 0), 22, 27, TLV_DB_SCALE_ITEM(100, 100, 0), 28, 31, TLV_DB_SCALE_ITEM(650, 50, 0), }; static const unsigned int max98095_lin_tlv[] = { TLV_DB_RANGE_HEAD(3), 0, 2, TLV_DB_SCALE_ITEM(-600, 300, 0), 3, 3, TLV_DB_SCALE_ITEM(300, 1100, 0), 4, 5, TLV_DB_SCALE_ITEM(1400, 600, 0), }; static const struct snd_kcontrol_new max98095_snd_controls[] = { SOC_DOUBLE_R_TLV("Headphone Volume", M98095_064_LVL_HP_L, M98095_065_LVL_HP_R, 0, 31, 0, max98095_hp_tlv), SOC_DOUBLE_R_TLV("Speaker Volume", M98095_067_LVL_SPK_L, M98095_068_LVL_SPK_R, 0, 39, 0, max98095_spk_tlv), SOC_SINGLE_TLV("Receiver Volume", M98095_066_LVL_RCV, 0, 31, 0, max98095_rcv_lout_tlv), SOC_DOUBLE_R_TLV("Lineout Volume", M98095_062_LVL_LINEOUT1, M98095_063_LVL_LINEOUT2, 0, 31, 0, max98095_rcv_lout_tlv), SOC_DOUBLE_R("Headphone Switch", M98095_064_LVL_HP_L, M98095_065_LVL_HP_R, 7, 1, 1), SOC_DOUBLE_R("Speaker Switch", M98095_067_LVL_SPK_L, M98095_068_LVL_SPK_R, 7, 1, 1), SOC_SINGLE("Receiver Switch", M98095_066_LVL_RCV, 7, 1, 1), SOC_DOUBLE_R("Lineout Switch", M98095_062_LVL_LINEOUT1, M98095_063_LVL_LINEOUT2, 7, 1, 1), SOC_SINGLE_TLV("MIC1 Volume", M98095_05F_LVL_MIC1, 0, 20, 1, max98095_mic_tlv), SOC_SINGLE_TLV("MIC2 Volume", M98095_060_LVL_MIC2, 0, 20, 1, max98095_mic_tlv), SOC_SINGLE_EXT_TLV("MIC1 Boost Volume", M98095_05F_LVL_MIC1, 5, 2, 0, max98095_mic1pre_get, max98095_mic1pre_set, max98095_micboost_tlv), SOC_SINGLE_EXT_TLV("MIC2 Boost Volume", M98095_060_LVL_MIC2, 5, 2, 0, max98095_mic2pre_get, max98095_mic2pre_set, max98095_micboost_tlv), SOC_SINGLE_TLV("Linein Volume", M98095_061_LVL_LINEIN, 0, 5, 1, max98095_lin_tlv), SOC_SINGLE_TLV("ADCL Volume", M98095_05D_LVL_ADC_L, 0, 15, 1, max98095_adc_tlv), SOC_SINGLE_TLV("ADCR Volume", M98095_05E_LVL_ADC_R, 0, 15, 1, max98095_adc_tlv), SOC_SINGLE_TLV("ADCL Boost Volume", M98095_05D_LVL_ADC_L, 4, 3, 0, max98095_adcboost_tlv), SOC_SINGLE_TLV("ADCR Boost Volume", M98095_05E_LVL_ADC_R, 4, 3, 0, max98095_adcboost_tlv), SOC_SINGLE("EQ1 Switch", M98095_088_CFG_LEVEL, 0, 1, 0), SOC_SINGLE("EQ2 Switch", M98095_088_CFG_LEVEL, 1, 1, 0), SOC_SINGLE("Biquad1 Switch", M98095_088_CFG_LEVEL, 2, 1, 0), SOC_SINGLE("Biquad2 Switch", M98095_088_CFG_LEVEL, 3, 1, 0), SOC_ENUM("DAI1 Filter Mode", max98095_dai1_filter_mode_enum), SOC_ENUM("DAI2 Filter Mode", max98095_dai2_filter_mode_enum), SOC_ENUM("DAI1 DAC Filter", max98095_dai1_dac_filter_enum), SOC_ENUM("DAI2 DAC Filter", max98095_dai2_dac_filter_enum), SOC_ENUM("DAI3 DAC Filter", max98095_dai3_dac_filter_enum), SOC_ENUM("Linein Mode", max98095_linein_mode_enum), SOC_ENUM("Lineout Mode", max98095_lineout_mode_enum), }; /* Left speaker mixer switch */ static const struct snd_kcontrol_new max98095_left_speaker_mixer_controls[] = { SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_050_MIX_SPK_LEFT, 0, 1, 0), SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_050_MIX_SPK_LEFT, 6, 1, 0), SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0), SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0), SOC_DAPM_SINGLE("MIC1 Switch", M98095_050_MIX_SPK_LEFT, 4, 1, 0), SOC_DAPM_SINGLE("MIC2 Switch", M98095_050_MIX_SPK_LEFT, 5, 1, 0), SOC_DAPM_SINGLE("IN1 Switch", M98095_050_MIX_SPK_LEFT, 1, 1, 0), SOC_DAPM_SINGLE("IN2 Switch", M98095_050_MIX_SPK_LEFT, 2, 1, 0), }; /* Right speaker mixer switch */ static const struct snd_kcontrol_new max98095_right_speaker_mixer_controls[] = { SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 6, 1, 0), SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 0, 1, 0), SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0), SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0), SOC_DAPM_SINGLE("MIC1 Switch", M98095_051_MIX_SPK_RIGHT, 5, 1, 0), SOC_DAPM_SINGLE("MIC2 Switch", M98095_051_MIX_SPK_RIGHT, 4, 1, 0), SOC_DAPM_SINGLE("IN1 Switch", M98095_051_MIX_SPK_RIGHT, 1, 1, 0), SOC_DAPM_SINGLE("IN2 Switch", M98095_051_MIX_SPK_RIGHT, 2, 1, 0), }; /* Left headphone mixer switch */ static const struct snd_kcontrol_new max98095_left_hp_mixer_controls[] = { SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04C_MIX_HP_LEFT, 0, 1, 0), SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04C_MIX_HP_LEFT, 5, 1, 0), SOC_DAPM_SINGLE("MIC1 Switch", M98095_04C_MIX_HP_LEFT, 3, 1, 0), SOC_DAPM_SINGLE("MIC2 Switch", M98095_04C_MIX_HP_LEFT, 4, 1, 0), SOC_DAPM_SINGLE("IN1 Switch", M98095_04C_MIX_HP_LEFT, 1, 1, 0), SOC_DAPM_SINGLE("IN2 Switch", M98095_04C_MIX_HP_LEFT, 2, 1, 0), }; /* Right headphone mixer switch */ static const struct snd_kcontrol_new max98095_right_hp_mixer_controls[] = { SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 5, 1, 0), SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 0, 1, 0), SOC_DAPM_SINGLE("MIC1 Switch", M98095_04D_MIX_HP_RIGHT, 3, 1, 0), SOC_DAPM_SINGLE("MIC2 Switch", M98095_04D_MIX_HP_RIGHT, 4, 1, 0), SOC_DAPM_SINGLE("IN1 Switch", M98095_04D_MIX_HP_RIGHT, 1, 1, 0), SOC_DAPM_SINGLE("IN2 Switch", M98095_04D_MIX_HP_RIGHT, 2, 1, 0), }; /* Receiver earpiece mixer switch */ static const struct snd_kcontrol_new max98095_mono_rcv_mixer_controls[] = { SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04F_MIX_RCV, 0, 1, 0), SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04F_MIX_RCV, 5, 1, 0), SOC_DAPM_SINGLE("MIC1 Switch", M98095_04F_MIX_RCV, 3, 1, 0), SOC_DAPM_SINGLE("MIC2 Switch", M98095_04F_MIX_RCV, 4, 1, 0), SOC_DAPM_SINGLE("IN1 Switch", M98095_04F_MIX_RCV, 1, 1, 0), SOC_DAPM_SINGLE("IN2 Switch", M98095_04F_MIX_RCV, 2, 1, 0), }; /* Left lineout mixer switch */ static const struct snd_kcontrol_new max98095_left_lineout_mixer_controls[] = { SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_053_MIX_LINEOUT1, 5, 1, 0), SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_053_MIX_LINEOUT1, 0, 1, 0), SOC_DAPM_SINGLE("MIC1 Switch", M98095_053_MIX_LINEOUT1, 3, 1, 0), SOC_DAPM_SINGLE("MIC2 Switch", M98095_053_MIX_LINEOUT1, 4, 1, 0), SOC_DAPM_SINGLE("IN1 Switch", M98095_053_MIX_LINEOUT1, 1, 1, 0), SOC_DAPM_SINGLE("IN2 Switch", M98095_053_MIX_LINEOUT1, 2, 1, 0), }; /* Right lineout mixer switch */ static const struct snd_kcontrol_new max98095_right_lineout_mixer_controls[] = { SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_054_MIX_LINEOUT2, 0, 1, 0), SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_054_MIX_LINEOUT2, 5, 1, 0), SOC_DAPM_SINGLE("MIC1 Switch", M98095_054_MIX_LINEOUT2, 3, 1, 0), SOC_DAPM_SINGLE("MIC2 Switch", M98095_054_MIX_LINEOUT2, 4, 1, 0), SOC_DAPM_SINGLE("IN1 Switch", M98095_054_MIX_LINEOUT2, 1, 1, 0), SOC_DAPM_SINGLE("IN2 Switch", M98095_054_MIX_LINEOUT2, 2, 1, 0), }; /* Left ADC mixer switch */ static const struct snd_kcontrol_new max98095_left_ADC_mixer_controls[] = { SOC_DAPM_SINGLE("MIC1 Switch", M98095_04A_MIX_ADC_LEFT, 7, 1, 0), SOC_DAPM_SINGLE("MIC2 Switch", M98095_04A_MIX_ADC_LEFT, 6, 1, 0), SOC_DAPM_SINGLE("IN1 Switch", M98095_04A_MIX_ADC_LEFT, 3, 1, 0), SOC_DAPM_SINGLE("IN2 Switch", M98095_04A_MIX_ADC_LEFT, 2, 1, 0), }; /* Right ADC mixer switch */ static const struct snd_kcontrol_new max98095_right_ADC_mixer_controls[] = { SOC_DAPM_SINGLE("MIC1 Switch", M98095_04B_MIX_ADC_RIGHT, 7, 1, 0), SOC_DAPM_SINGLE("MIC2 Switch", M98095_04B_MIX_ADC_RIGHT, 6, 1, 0), SOC_DAPM_SINGLE("IN1 Switch", M98095_04B_MIX_ADC_RIGHT, 3, 1, 0), SOC_DAPM_SINGLE("IN2 Switch", M98095_04B_MIX_ADC_RIGHT, 2, 1, 0), }; static int max98095_mic_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_codec *codec = w->codec; struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec); switch (event) { case SND_SOC_DAPM_POST_PMU: if (w->reg == M98095_05F_LVL_MIC1) { snd_soc_update_bits(codec, w->reg, M98095_MICPRE_MASK, (1+max98095->mic1pre)<reg, M98095_MICPRE_MASK, (1+max98095->mic2pre)<reg, M98095_MICPRE_MASK, 0); break; default: return -EINVAL; } return 0; } /* * The line inputs are stereo inputs with the left and right * channels sharing a common PGA power control signal. */ static int max98095_line_pga(struct snd_soc_dapm_widget *w, int event, u8 channel) { struct snd_soc_codec *codec = w->codec; struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec); u8 *state; BUG_ON(!((channel == 1) || (channel == 2))); state = &max98095->lin_state; switch (event) { case SND_SOC_DAPM_POST_PMU: *state |= channel; snd_soc_update_bits(codec, w->reg, (1 << w->shift), (1 << w->shift)); break; case SND_SOC_DAPM_POST_PMD: *state &= ~channel; if (*state == 0) { snd_soc_update_bits(codec, w->reg, (1 << w->shift), 0); } break; default: return -EINVAL; } return 0; } static int max98095_pga_in1_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { return max98095_line_pga(w, event, 1); } static int max98095_pga_in2_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { return max98095_line_pga(w, event, 2); } /* * The stereo line out mixer outputs to two stereo line outs. * The 2nd pair has a separate set of enables. */ static int max98095_lineout_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_codec *codec = w->codec; switch (event) { case SND_SOC_DAPM_POST_PMU: snd_soc_update_bits(codec, w->reg, (1 << (w->shift+2)), (1 << (w->shift+2))); break; case SND_SOC_DAPM_POST_PMD: snd_soc_update_bits(codec, w->reg, (1 << (w->shift+2)), 0); break; default: return -EINVAL; } return 0; } static const struct snd_soc_dapm_widget max98095_dapm_widgets[] = { SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", M98095_090_PWR_EN_IN, 0, 0), SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", M98095_090_PWR_EN_IN, 1, 0), SND_SOC_DAPM_DAC("DACL1", "HiFi Playback", M98095_091_PWR_EN_OUT, 0, 0), SND_SOC_DAPM_DAC("DACR1", "HiFi Playback", M98095_091_PWR_EN_OUT, 1, 0), SND_SOC_DAPM_DAC("DACM2", "Aux Playback", M98095_091_PWR_EN_OUT, 2, 0), SND_SOC_DAPM_DAC("DACM3", "Voice Playback", M98095_091_PWR_EN_OUT, 2, 0), SND_SOC_DAPM_PGA("HP Left Out", M98095_091_PWR_EN_OUT, 6, 0, NULL, 0), SND_SOC_DAPM_PGA("HP Right Out", M98095_091_PWR_EN_OUT, 7, 0, NULL, 0), SND_SOC_DAPM_PGA("SPK Left Out", M98095_091_PWR_EN_OUT, 4, 0, NULL, 0), SND_SOC_DAPM_PGA("SPK Right Out", M98095_091_PWR_EN_OUT, 5, 0, NULL, 0), SND_SOC_DAPM_PGA("RCV Mono Out", M98095_091_PWR_EN_OUT, 3, 0, NULL, 0), SND_SOC_DAPM_PGA_E("LINE Left Out", M98095_092_PWR_EN_OUT, 0, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_PGA_E("LINE Right Out", M98095_092_PWR_EN_OUT, 1, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_MUX("External MIC", SND_SOC_NOPM, 0, 0, &max98095_extmic_mux), SND_SOC_DAPM_MUX("Linein Mux", SND_SOC_NOPM, 0, 0, &max98095_linein_mux), SND_SOC_DAPM_MIXER("Left Headphone Mixer", SND_SOC_NOPM, 0, 0, &max98095_left_hp_mixer_controls[0], ARRAY_SIZE(max98095_left_hp_mixer_controls)), SND_SOC_DAPM_MIXER("Right Headphone Mixer", SND_SOC_NOPM, 0, 0, &max98095_right_hp_mixer_controls[0], ARRAY_SIZE(max98095_right_hp_mixer_controls)), SND_SOC_DAPM_MIXER("Left Speaker Mixer", SND_SOC_NOPM, 0, 0, &max98095_left_speaker_mixer_controls[0], ARRAY_SIZE(max98095_left_speaker_mixer_controls)), SND_SOC_DAPM_MIXER("Right Speaker Mixer", SND_SOC_NOPM, 0, 0, &max98095_right_speaker_mixer_controls[0], ARRAY_SIZE(max98095_right_speaker_mixer_controls)), SND_SOC_DAPM_MIXER("Receiver Mixer", SND_SOC_NOPM, 0, 0, &max98095_mono_rcv_mixer_controls[0], ARRAY_SIZE(max98095_mono_rcv_mixer_controls)), SND_SOC_DAPM_MIXER("Left Lineout Mixer", SND_SOC_NOPM, 0, 0, &max98095_left_lineout_mixer_controls[0], ARRAY_SIZE(max98095_left_lineout_mixer_controls)), SND_SOC_DAPM_MIXER("Right Lineout Mixer", SND_SOC_NOPM, 0, 0, &max98095_right_lineout_mixer_controls[0], ARRAY_SIZE(max98095_right_lineout_mixer_controls)), SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0, &max98095_left_ADC_mixer_controls[0], ARRAY_SIZE(max98095_left_ADC_mixer_controls)), SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0, &max98095_right_ADC_mixer_controls[0], ARRAY_SIZE(max98095_right_ADC_mixer_controls)), SND_SOC_DAPM_PGA_E("MIC1 Input", M98095_05F_LVL_MIC1, 5, 0, NULL, 0, max98095_mic_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_PGA_E("MIC2 Input", M98095_060_LVL_MIC2, 5, 0, NULL, 0, max98095_mic_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_PGA_E("IN1 Input", M98095_090_PWR_EN_IN, 7, 0, NULL, 0, max98095_pga_in1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_PGA_E("IN2 Input", M98095_090_PWR_EN_IN, 7, 0, NULL, 0, max98095_pga_in2_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_MICBIAS("MICBIAS1", M98095_090_PWR_EN_IN, 2, 0), SND_SOC_DAPM_MICBIAS("MICBIAS2", M98095_090_PWR_EN_IN, 3, 0), SND_SOC_DAPM_OUTPUT("HPL"), SND_SOC_DAPM_OUTPUT("HPR"), SND_SOC_DAPM_OUTPUT("SPKL"), SND_SOC_DAPM_OUTPUT("SPKR"), SND_SOC_DAPM_OUTPUT("RCV"), SND_SOC_DAPM_OUTPUT("OUT1"), SND_SOC_DAPM_OUTPUT("OUT2"), SND_SOC_DAPM_OUTPUT("OUT3"), SND_SOC_DAPM_OUTPUT("OUT4"), SND_SOC_DAPM_INPUT("MIC1"), SND_SOC_DAPM_INPUT("MIC2"), SND_SOC_DAPM_INPUT("INA1"), SND_SOC_DAPM_INPUT("INA2"), SND_SOC_DAPM_INPUT("INB1"), SND_SOC_DAPM_INPUT("INB2"), }; static const struct snd_soc_dapm_route max98095_audio_map[] = { /* Left headphone output mixer */ {"Left Headphone Mixer", "Left DAC1 Switch", "DACL1"}, {"Left Headphone Mixer", "Right DAC1 Switch", "DACR1"}, {"Left Headphone Mixer", "MIC1 Switch", "MIC1 Input"}, {"Left Headphone Mixer", "MIC2 Switch", "MIC2 Input"}, {"Left Headphone Mixer", "IN1 Switch", "IN1 Input"}, {"Left Headphone Mixer", "IN2 Switch", "IN2 Input"}, /* Right headphone output mixer */ {"Right Headphone Mixer", "Left DAC1 Switch", "DACL1"}, {"Right Headphone Mixer", "Right DAC1 Switch", "DACR1"}, {"Right Headphone Mixer", "MIC1 Switch", "MIC1 Input"}, {"Right Headphone Mixer", "MIC2 Switch", "MIC2 Input"}, {"Right Headphone Mixer", "IN1 Switch", "IN1 Input"}, {"Right Headphone Mixer", "IN2 Switch", "IN2 Input"}, /* Left speaker output mixer */ {"Left Speaker Mixer", "Left DAC1 Switch", "DACL1"}, {"Left Speaker Mixer", "Right DAC1 Switch", "DACR1"}, {"Left Speaker Mixer", "Mono DAC2 Switch", "DACM2"}, {"Left Speaker Mixer", "Mono DAC3 Switch", "DACM3"}, {"Left Speaker Mixer", "MIC1 Switch", "MIC1 Input"}, {"Left Speaker Mixer", "MIC2 Switch", "MIC2 Input"}, {"Left Speaker Mixer", "IN1 Switch", "IN1 Input"}, {"Left Speaker Mixer", "IN2 Switch", "IN2 Input"}, /* Right speaker output mixer */ {"Right Speaker Mixer", "Left DAC1 Switch", "DACL1"}, {"Right Speaker Mixer", "Right DAC1 Switch", "DACR1"}, {"Right Speaker Mixer", "Mono DAC2 Switch", "DACM2"}, {"Right Speaker Mixer", "Mono DAC3 Switch", "DACM3"}, {"Right Speaker Mixer", "MIC1 Switch", "MIC1 Input"}, {"Right Speaker Mixer", "MIC2 Switch", "MIC2 Input"}, {"Right Speaker Mixer", "IN1 Switch", "IN1 Input"}, {"Right Speaker Mixer", "IN2 Switch", "IN2 Input"}, /* Earpiece/Receiver output mixer */ {"Receiver Mixer", "Left DAC1 Switch", "DACL1"}, {"Receiver Mixer", "Right DAC1 Switch", "DACR1"}, {"Receiver Mixer", "MIC1 Switch", "MIC1 Input"}, {"Receiver Mixer", "MIC2 Switch", "MIC2 Input"}, {"Receiver Mixer", "IN1 Switch", "IN1 Input"}, {"Receiver Mixer", "IN2 Switch", "IN2 Input"}, /* Left Lineout output mixer */ {"Left Lineout Mixer", "Left DAC1 Switch", "DACL1"}, {"Left Lineout Mixer", "Right DAC1 Switch", "DACR1"}, {"Left Lineout Mixer", "MIC1 Switch", "MIC1 Input"}, {"Left Lineout Mixer", "MIC2 Switch", "MIC2 Input"}, {"Left Lineout Mixer", "IN1 Switch", "IN1 Input"}, {"Left Lineout Mixer", "IN2 Switch", "IN2 Input"}, /* Right lineout output mixer */ {"Right Lineout Mixer", "Left DAC1 Switch", "DACL1"}, {"Right Lineout Mixer", "Right DAC1 Switch", "DACR1"}, {"Right Lineout Mixer", "MIC1 Switch", "MIC1 Input"}, {"Right Lineout Mixer", "MIC2 Switch", "MIC2 Input"}, {"Right Lineout Mixer", "IN1 Switch", "IN1 Input"}, {"Right Lineout Mixer", "IN2 Switch", "IN2 Input"}, {"HP Left Out", NULL, "Left Headphone Mixer"}, {"HP Right Out", NULL, "Right Headphone Mixer"}, {"SPK Left Out", NULL, "Left Speaker Mixer"}, {"SPK Right Out", NULL, "Right Speaker Mixer"}, {"RCV Mono Out", NULL, "Receiver Mixer"}, {"LINE Left Out", NULL, "Left Lineout Mixer"}, {"LINE Right Out", NULL, "Right Lineout Mixer"}, {"HPL", NULL, "HP Left Out"}, {"HPR", NULL, "HP Right Out"}, {"SPKL", NULL, "SPK Left Out"}, {"SPKR", NULL, "SPK Right Out"}, {"RCV", NULL, "RCV Mono Out"}, {"OUT1", NULL, "LINE Left Out"}, {"OUT2", NULL, "LINE Right Out"}, {"OUT3", NULL, "LINE Left Out"}, {"OUT4", NULL, "LINE Right Out"}, /* Left ADC input mixer */ {"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"}, {"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"}, {"Left ADC Mixer", "IN1 Switch", "IN1 Input"}, {"Left ADC Mixer", "IN2 Switch", "IN2 Input"}, /* Right ADC input mixer */ {"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"}, {"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"}, {"Right ADC Mixer", "IN1 Switch", "IN1 Input"}, {"Right ADC Mixer", "IN2 Switch", "IN2 Input"}, /* Inputs */ {"ADCL", NULL, "Left ADC Mixer"}, {"ADCR", NULL, "Right ADC Mixer"}, {"IN1 Input", NULL, "INA1"}, {"IN2 Input", NULL, "INA2"}, {"MIC1 Input", NULL, "MIC1"}, {"MIC2 Input", NULL, "MIC2"}, }; static int max98095_add_widgets(struct snd_soc_codec *codec) { snd_soc_add_controls(codec, max98095_snd_controls, ARRAY_SIZE(max98095_snd_controls)); return 0; } /* codec mclk clock divider coefficients */ static const struct { u32 rate; u8 sr; } rate_table[] = { {8000, 0x01}, {11025, 0x02}, {16000, 0x03}, {22050, 0x04}, {24000, 0x05}, {32000, 0x06}, {44100, 0x07}, {48000, 0x08}, {88200, 0x09}, {96000, 0x0A}, }; static int rate_value(int rate, u8 *value) { int i; for (i = 0; i < ARRAY_SIZE(rate_table); i++) { if (rate_table[i].rate >= rate) { *value = rate_table[i].sr; return 0; } } *value = rate_table[0].sr; return -EINVAL; } static int max98095_dai1_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 max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec); struct max98095_cdata *cdata; unsigned long long ni; unsigned int rate; u8 regval; cdata = &max98095->dai[0]; rate = params_rate(params); switch (params_format(params)) { case SNDRV_PCM_FORMAT_S16_LE: snd_soc_update_bits(codec, M98095_02A_DAI1_FORMAT, M98095_DAI_WS, 0); break; case SNDRV_PCM_FORMAT_S24_LE: snd_soc_update_bits(codec, M98095_02A_DAI1_FORMAT, M98095_DAI_WS, M98095_DAI_WS); break; default: return -EINVAL; } if (rate_value(rate, ®val)) return -EINVAL; snd_soc_update_bits(codec, M98095_027_DAI1_CLKMODE, M98095_CLKMODE_MASK, regval); cdata->rate = rate; /* Configure NI when operating as master */ if (snd_soc_read(codec, M98095_02A_DAI1_FORMAT) & M98095_DAI_MAS) { if (max98095->sysclk == 0) { dev_err(codec->dev, "Invalid system clock frequency\n"); return -EINVAL; } ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL) * (unsigned long long int)rate; do_div(ni, (unsigned long long int)max98095->sysclk); snd_soc_write(codec, M98095_028_DAI1_CLKCFG_HI, (ni >> 8) & 0x7F); snd_soc_write(codec, M98095_029_DAI1_CLKCFG_LO, ni & 0xFF); } /* Update sample rate mode */ if (rate < 50000) snd_soc_update_bits(codec, M98095_02E_DAI1_FILTERS, M98095_DAI_DHF, 0); else snd_soc_update_bits(codec, M98095_02E_DAI1_FILTERS, M98095_DAI_DHF, M98095_DAI_DHF); return 0; } static int max98095_dai2_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 max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec); struct max98095_cdata *cdata; unsigned long long ni; unsigned int rate; u8 regval; cdata = &max98095->dai[1]; rate = params_rate(params); switch (params_format(params)) { case SNDRV_PCM_FORMAT_S16_LE: snd_soc_update_bits(codec, M98095_034_DAI2_FORMAT, M98095_DAI_WS, 0); break; case SNDRV_PCM_FORMAT_S24_LE: snd_soc_update_bits(codec, M98095_034_DAI2_FORMAT, M98095_DAI_WS, M98095_DAI_WS); break; default: return -EINVAL; } if (rate_value(rate, ®val)) return -EINVAL; snd_soc_update_bits(codec, M98095_031_DAI2_CLKMODE, M98095_CLKMODE_MASK, regval); cdata->rate = rate; /* Configure NI when operating as master */ if (snd_soc_read(codec, M98095_034_DAI2_FORMAT) & M98095_DAI_MAS) { if (max98095->sysclk == 0) { dev_err(codec->dev, "Invalid system clock frequency\n"); return -EINVAL; } ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL) * (unsigned long long int)rate; do_div(ni, (unsigned long long int)max98095->sysclk); snd_soc_write(codec, M98095_032_DAI2_CLKCFG_HI, (ni >> 8) & 0x7F); snd_soc_write(codec, M98095_033_DAI2_CLKCFG_LO, ni & 0xFF); } /* Update sample rate mode */ if (rate < 50000) snd_soc_update_bits(codec, M98095_038_DAI2_FILTERS, M98095_DAI_DHF, 0); else snd_soc_update_bits(codec, M98095_038_DAI2_FILTERS, M98095_DAI_DHF, M98095_DAI_DHF); return 0; } static int max98095_dai3_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 max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec); struct max98095_cdata *cdata; unsigned long long ni; unsigned int rate; u8 regval; cdata = &max98095->dai[2]; rate = params_rate(params); switch (params_format(params)) { case SNDRV_PCM_FORMAT_S16_LE: snd_soc_update_bits(codec, M98095_03E_DAI3_FORMAT, M98095_DAI_WS, 0); break; case SNDRV_PCM_FORMAT_S24_LE: snd_soc_update_bits(codec, M98095_03E_DAI3_FORMAT, M98095_DAI_WS, M98095_DAI_WS); break; default: return -EINVAL; } if (rate_value(rate, ®val)) return -EINVAL; snd_soc_update_bits(codec, M98095_03B_DAI3_CLKMODE, M98095_CLKMODE_MASK, regval); cdata->rate = rate; /* Configure NI when operating as master */ if (snd_soc_read(codec, M98095_03E_DAI3_FORMAT) & M98095_DAI_MAS) { if (max98095->sysclk == 0) { dev_err(codec->dev, "Invalid system clock frequency\n"); return -EINVAL; } ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL) * (unsigned long long int)rate; do_div(ni, (unsigned long long int)max98095->sysclk); snd_soc_write(codec, M98095_03C_DAI3_CLKCFG_HI, (ni >> 8) & 0x7F); snd_soc_write(codec, M98095_03D_DAI3_CLKCFG_LO, ni & 0xFF); } /* Update sample rate mode */ if (rate < 50000) snd_soc_update_bits(codec, M98095_042_DAI3_FILTERS, M98095_DAI_DHF, 0); else snd_soc_update_bits(codec, M98095_042_DAI3_FILTERS, M98095_DAI_DHF, M98095_DAI_DHF); return 0; } static int max98095_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { struct snd_soc_codec *codec = dai->codec; struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec); /* Requested clock frequency is already setup */ if (freq == max98095->sysclk) return 0; /* Setup clocks for slave mode, and using the PLL * PSCLK = 0x01 (when master clk is 10MHz to 20MHz) * 0x02 (when master clk is 20MHz to 40MHz).. * 0x03 (when master clk is 40MHz to 60MHz).. */ if ((freq >= 10000000) && (freq < 20000000)) { snd_soc_write(codec, M98095_026_SYS_CLK, 0x10); } else if ((freq >= 20000000) && (freq < 40000000)) { snd_soc_write(codec, M98095_026_SYS_CLK, 0x20); } else if ((freq >= 40000000) && (freq < 60000000)) { snd_soc_write(codec, M98095_026_SYS_CLK, 0x30); } else { dev_err(codec->dev, "Invalid master clock frequency\n"); return -EINVAL; } dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq); max98095->sysclk = freq; return 0; } static int max98095_dai1_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { struct snd_soc_codec *codec = codec_dai->codec; struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec); struct max98095_cdata *cdata; u8 regval = 0; cdata = &max98095->dai[0]; if (fmt != cdata->fmt) { cdata->fmt = fmt; switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBS_CFS: /* Slave mode PLL */ snd_soc_write(codec, M98095_028_DAI1_CLKCFG_HI, 0x80); snd_soc_write(codec, M98095_029_DAI1_CLKCFG_LO, 0x00); break; case SND_SOC_DAIFMT_CBM_CFM: /* Set to master mode */ regval |= M98095_DAI_MAS; break; case SND_SOC_DAIFMT_CBS_CFM: case SND_SOC_DAIFMT_CBM_CFS: default: dev_err(codec->dev, "Clock mode unsupported"); return -EINVAL; } switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: regval |= M98095_DAI_DLY; break; case SND_SOC_DAIFMT_LEFT_J: break; default: return -EINVAL; } switch (fmt & SND_SOC_DAIFMT_INV_MASK) { case SND_SOC_DAIFMT_NB_NF: break; case SND_SOC_DAIFMT_NB_IF: regval |= M98095_DAI_WCI; break; case SND_SOC_DAIFMT_IB_NF: regval |= M98095_DAI_BCI; break; case SND_SOC_DAIFMT_IB_IF: regval |= M98095_DAI_BCI|M98095_DAI_WCI; break; default: return -EINVAL; } snd_soc_update_bits(codec, M98095_02A_DAI1_FORMAT, M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI | M98095_DAI_WCI, regval); snd_soc_write(codec, M98095_02B_DAI1_CLOCK, M98095_DAI_BSEL64); } return 0; } static int max98095_dai2_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { struct snd_soc_codec *codec = codec_dai->codec; struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec); struct max98095_cdata *cdata; u8 regval = 0; cdata = &max98095->dai[1]; if (fmt != cdata->fmt) { cdata->fmt = fmt; switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBS_CFS: /* Slave mode PLL */ snd_soc_write(codec, M98095_032_DAI2_CLKCFG_HI, 0x80); snd_soc_write(codec, M98095_033_DAI2_CLKCFG_LO, 0x00); break; case SND_SOC_DAIFMT_CBM_CFM: /* Set to master mode */ regval |= M98095_DAI_MAS; break; case SND_SOC_DAIFMT_CBS_CFM: case SND_SOC_DAIFMT_CBM_CFS: default: dev_err(codec->dev, "Clock mode unsupported"); return -EINVAL; } switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: regval |= M98095_DAI_DLY; break; case SND_SOC_DAIFMT_LEFT_J: break; default: return -EINVAL; } switch (fmt & SND_SOC_DAIFMT_INV_MASK) { case SND_SOC_DAIFMT_NB_NF: break; case SND_SOC_DAIFMT_NB_IF: regval |= M98095_DAI_WCI; break; case SND_SOC_DAIFMT_IB_NF: regval |= M98095_DAI_BCI; break; case SND_SOC_DAIFMT_IB_IF: regval |= M98095_DAI_BCI|M98095_DAI_WCI; break; default: return -EINVAL; } snd_soc_update_bits(codec, M98095_034_DAI2_FORMAT, M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI | M98095_DAI_WCI, regval); snd_soc_write(codec, M98095_035_DAI2_CLOCK, M98095_DAI_BSEL64); } return 0; } static int max98095_dai3_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { struct snd_soc_codec *codec = codec_dai->codec; struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec); struct max98095_cdata *cdata; u8 regval = 0; cdata = &max98095->dai[2]; if (fmt != cdata->fmt) { cdata->fmt = fmt; switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBS_CFS: /* Slave mode PLL */ snd_soc_write(codec, M98095_03C_DAI3_CLKCFG_HI, 0x80); snd_soc_write(codec, M98095_03D_DAI3_CLKCFG_LO, 0x00); break; case SND_SOC_DAIFMT_CBM_CFM: /* Set to master mode */ regval |= M98095_DAI_MAS; break; case SND_SOC_DAIFMT_CBS_CFM: case SND_SOC_DAIFMT_CBM_CFS: default: dev_err(codec->dev, "Clock mode unsupported"); return -EINVAL; } switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: regval |= M98095_DAI_DLY; break; case SND_SOC_DAIFMT_LEFT_J: break; default: return -EINVAL; } switch (fmt & SND_SOC_DAIFMT_INV_MASK) { case SND_SOC_DAIFMT_NB_NF: break; case SND_SOC_DAIFMT_NB_IF: regval |= M98095_DAI_WCI; break; case SND_SOC_DAIFMT_IB_NF: regval |= M98095_DAI_BCI; break; case SND_SOC_DAIFMT_IB_IF: regval |= M98095_DAI_BCI|M98095_DAI_WCI; break; default: return -EINVAL; } snd_soc_update_bits(codec, M98095_03E_DAI3_FORMAT, M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI | M98095_DAI_WCI, regval); snd_soc_write(codec, M98095_03F_DAI3_CLOCK, M98095_DAI_BSEL64); } return 0; } static int max98095_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { int ret; switch (level) { case SND_SOC_BIAS_ON: break; case SND_SOC_BIAS_PREPARE: break; case SND_SOC_BIAS_STANDBY: if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { ret = snd_soc_cache_sync(codec); if (ret != 0) { dev_err(codec->dev, "Failed to sync cache: %d\n", ret); return ret; } } snd_soc_update_bits(codec, M98095_090_PWR_EN_IN, M98095_MBEN, M98095_MBEN); break; case SND_SOC_BIAS_OFF: snd_soc_update_bits(codec, M98095_090_PWR_EN_IN, M98095_MBEN, 0); codec->cache_sync = 1; break; } codec->dapm.bias_level = level; return 0; } #define MAX98095_RATES SNDRV_PCM_RATE_8000_96000 #define MAX98095_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE) static struct snd_soc_dai_ops max98095_dai1_ops = { .set_sysclk = max98095_dai_set_sysclk, .set_fmt = max98095_dai1_set_fmt, .hw_params = max98095_dai1_hw_params, }; static struct snd_soc_dai_ops max98095_dai2_ops = { .set_sysclk = max98095_dai_set_sysclk, .set_fmt = max98095_dai2_set_fmt, .hw_params = max98095_dai2_hw_params, }; static struct snd_soc_dai_ops max98095_dai3_ops = { .set_sysclk = max98095_dai_set_sysclk, .set_fmt = max98095_dai3_set_fmt, .hw_params = max98095_dai3_hw_params, }; static struct snd_soc_dai_driver max98095_dai[] = { { .name = "HiFi", .playback = { .stream_name = "HiFi Playback", .channels_min = 1, .channels_max = 2, .rates = MAX98095_RATES, .formats = MAX98095_FORMATS, }, .capture = { .stream_name = "HiFi Capture", .channels_min = 1, .channels_max = 2, .rates = MAX98095_RATES, .formats = MAX98095_FORMATS, }, .ops = &max98095_dai1_ops, }, { .name = "Aux", .playback = { .stream_name = "Aux Playback", .channels_min = 1, .channels_max = 1, .rates = MAX98095_RATES, .formats = MAX98095_FORMATS, }, .ops = &max98095_dai2_ops, }, { .name = "Voice", .playback = { .stream_name = "Voice Playback", .channels_min = 1, .channels_max = 1, .rates = MAX98095_RATES, .formats = MAX98095_FORMATS, }, .ops = &max98095_dai3_ops, } }; static int max98095_get_eq_channel(const char *name) { if (strcmp(name, "EQ1 Mode") == 0) return 0; if (strcmp(name, "EQ2 Mode") == 0) return 1; return -EINVAL; } static int max98095_put_eq_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec); struct max98095_pdata *pdata = max98095->pdata; int channel = max98095_get_eq_channel(kcontrol->id.name); struct max98095_cdata *cdata; int sel = ucontrol->value.integer.value[0]; struct max98095_eq_cfg *coef_set; int fs, best, best_val, i; int regmask, regsave; BUG_ON(channel > 1); if (!pdata || !max98095->eq_textcnt) return 0; if (sel >= pdata->eq_cfgcnt) return -EINVAL; cdata = &max98095->dai[channel]; cdata->eq_sel = sel; fs = cdata->rate; /* Find the selected configuration with nearest sample rate */ best = 0; best_val = INT_MAX; for (i = 0; i < pdata->eq_cfgcnt; i++) { if (strcmp(pdata->eq_cfg[i].name, max98095->eq_texts[sel]) == 0 && abs(pdata->eq_cfg[i].rate - fs) < best_val) { best = i; best_val = abs(pdata->eq_cfg[i].rate - fs); } } dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n", pdata->eq_cfg[best].name, pdata->eq_cfg[best].rate, fs); coef_set = &pdata->eq_cfg[best]; regmask = (channel == 0) ? M98095_EQ1EN : M98095_EQ2EN; /* Disable filter while configuring, and save current on/off state */ regsave = snd_soc_read(codec, M98095_088_CFG_LEVEL); snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, 0); mutex_lock(&codec->mutex); snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG); m98095_eq_band(codec, channel, 0, coef_set->band1); m98095_eq_band(codec, channel, 1, coef_set->band2); m98095_eq_band(codec, channel, 2, coef_set->band3); m98095_eq_band(codec, channel, 3, coef_set->band4); m98095_eq_band(codec, channel, 4, coef_set->band5); snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, 0); mutex_unlock(&codec->mutex); /* Restore the original on/off state */ snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, regsave); return 0; } static int max98095_get_eq_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec); int channel = max98095_get_eq_channel(kcontrol->id.name); struct max98095_cdata *cdata; cdata = &max98095->dai[channel]; ucontrol->value.enumerated.item[0] = cdata->eq_sel; return 0; } static void max98095_handle_eq_pdata(struct snd_soc_codec *codec) { struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec); struct max98095_pdata *pdata = max98095->pdata; struct max98095_eq_cfg *cfg; unsigned int cfgcnt; int i, j; const char **t; int ret; struct snd_kcontrol_new controls[] = { SOC_ENUM_EXT("EQ1 Mode", max98095->eq_enum, max98095_get_eq_enum, max98095_put_eq_enum), SOC_ENUM_EXT("EQ2 Mode", max98095->eq_enum, max98095_get_eq_enum, max98095_put_eq_enum), }; cfg = pdata->eq_cfg; cfgcnt = pdata->eq_cfgcnt; /* Setup an array of texts for the equalizer enum. * This is based on Mark Brown's equalizer driver code. */ max98095->eq_textcnt = 0; max98095->eq_texts = NULL; for (i = 0; i < cfgcnt; i++) { for (j = 0; j < max98095->eq_textcnt; j++) { if (strcmp(cfg[i].name, max98095->eq_texts[j]) == 0) break; } if (j != max98095->eq_textcnt) continue; /* Expand the array */ t = krealloc(max98095->eq_texts, sizeof(char *) * (max98095->eq_textcnt + 1), GFP_KERNEL); if (t == NULL) continue; /* Store the new entry */ t[max98095->eq_textcnt] = cfg[i].name; max98095->eq_textcnt++; max98095->eq_texts = t; } /* Now point the soc_enum to .texts array items */ max98095->eq_enum.texts = max98095->eq_texts; max98095->eq_enum.max = max98095->eq_textcnt; ret = snd_soc_add_controls(codec, controls, ARRAY_SIZE(controls)); if (ret != 0) dev_err(codec->dev, "Failed to add EQ control: %d\n", ret); } static int max98095_get_bq_channel(const char *name) { if (strcmp(name, "Biquad1 Mode") == 0) return 0; if (strcmp(name, "Biquad2 Mode") == 0) return 1; return -EINVAL; } static int max98095_put_bq_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec); struct max98095_pdata *pdata = max98095->pdata; int channel = max98095_get_bq_channel(kcontrol->id.name); struct max98095_cdata *cdata; int sel = ucontrol->value.integer.value[0]; struct max98095_biquad_cfg *coef_set; int fs, best, best_val, i; int regmask, regsave; BUG_ON(channel > 1); if (!pdata || !max98095->bq_textcnt) return 0; if (sel >= pdata->bq_cfgcnt) return -EINVAL; cdata = &max98095->dai[channel]; cdata->bq_sel = sel; fs = cdata->rate; /* Find the selected configuration with nearest sample rate */ best = 0; best_val = INT_MAX; for (i = 0; i < pdata->bq_cfgcnt; i++) { if (strcmp(pdata->bq_cfg[i].name, max98095->bq_texts[sel]) == 0 && abs(pdata->bq_cfg[i].rate - fs) < best_val) { best = i; best_val = abs(pdata->bq_cfg[i].rate - fs); } } dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n", pdata->bq_cfg[best].name, pdata->bq_cfg[best].rate, fs); coef_set = &pdata->bq_cfg[best]; regmask = (channel == 0) ? M98095_BQ1EN : M98095_BQ2EN; /* Disable filter while configuring, and save current on/off state */ regsave = snd_soc_read(codec, M98095_088_CFG_LEVEL); snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, 0); mutex_lock(&codec->mutex); snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG); m98095_biquad_band(codec, channel, 0, coef_set->band1); m98095_biquad_band(codec, channel, 1, coef_set->band2); snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, 0); mutex_unlock(&codec->mutex); /* Restore the original on/off state */ snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, regsave); return 0; } static int max98095_get_bq_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec); int channel = max98095_get_bq_channel(kcontrol->id.name); struct max98095_cdata *cdata; cdata = &max98095->dai[channel]; ucontrol->value.enumerated.item[0] = cdata->bq_sel; return 0; } static void max98095_handle_bq_pdata(struct snd_soc_codec *codec) { struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec); struct max98095_pdata *pdata = max98095->pdata; struct max98095_biquad_cfg *cfg; unsigned int cfgcnt; int i, j; const char **t; int ret; struct snd_kcontrol_new controls[] = { SOC_ENUM_EXT("Biquad1 Mode", max98095->bq_enum, max98095_get_bq_enum, max98095_put_bq_enum), SOC_ENUM_EXT("Biquad2 Mode", max98095->bq_enum, max98095_get_bq_enum, max98095_put_bq_enum), }; cfg = pdata->bq_cfg; cfgcnt = pdata->bq_cfgcnt; /* Setup an array of texts for the biquad enum. * This is based on Mark Brown's equalizer driver code. */ max98095->bq_textcnt = 0; max98095->bq_texts = NULL; for (i = 0; i < cfgcnt; i++) { for (j = 0; j < max98095->bq_textcnt; j++) { if (strcmp(cfg[i].name, max98095->bq_texts[j]) == 0) break; } if (j != max98095->bq_textcnt) continue; /* Expand the array */ t = krealloc(max98095->bq_texts, sizeof(char *) * (max98095->bq_textcnt + 1), GFP_KERNEL); if (t == NULL) continue; /* Store the new entry */ t[max98095->bq_textcnt] = cfg[i].name; max98095->bq_textcnt++; max98095->bq_texts = t; } /* Now point the soc_enum to .texts array items */ max98095->bq_enum.texts = max98095->bq_texts; max98095->bq_enum.max = max98095->bq_textcnt; ret = snd_soc_add_controls(codec, controls, ARRAY_SIZE(controls)); if (ret != 0) dev_err(codec->dev, "Failed to add Biquad control: %d\n", ret); } static void max98095_handle_pdata(struct snd_soc_codec *codec) { struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec); struct max98095_pdata *pdata = max98095->pdata; u8 regval = 0; if (!pdata) { dev_dbg(codec->dev, "No platform data\n"); return; } /* Configure mic for analog/digital mic mode */ if (pdata->digmic_left_mode) regval |= M98095_DIGMIC_L; if (pdata->digmic_right_mode) regval |= M98095_DIGMIC_R; snd_soc_write(codec, M98095_087_CFG_MIC, regval); /* Configure equalizers */ if (pdata->eq_cfgcnt) max98095_handle_eq_pdata(codec); /* Configure bi-quad filters */ if (pdata->bq_cfgcnt) max98095_handle_bq_pdata(codec); } #ifdef CONFIG_PM static int max98095_suspend(struct snd_soc_codec *codec, pm_message_t state) { max98095_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; } static int max98095_resume(struct snd_soc_codec *codec) { max98095_set_bias_level(codec, SND_SOC_BIAS_STANDBY); return 0; } #else #define max98095_suspend NULL #define max98095_resume NULL #endif static int max98095_reset(struct snd_soc_codec *codec) { int i, ret; /* Gracefully reset the DSP core and the codec hardware * in a proper sequence */ ret = snd_soc_write(codec, M98095_00F_HOST_CFG, 0); if (ret < 0) { dev_err(codec->dev, "Failed to reset DSP: %d\n", ret); return ret; } ret = snd_soc_write(codec, M98095_097_PWR_SYS, 0); if (ret < 0) { dev_err(codec->dev, "Failed to reset codec: %d\n", ret); return ret; } /* Reset to hardware default for registers, as there is not * a soft reset hardware control register */ for (i = M98095_010_HOST_INT_CFG; i < M98095_REG_MAX_CACHED; i++) { ret = snd_soc_write(codec, i, max98095_reg_def[i]); if (ret < 0) { dev_err(codec->dev, "Failed to reset: %d\n", ret); return ret; } } return ret; } static int max98095_probe(struct snd_soc_codec *codec) { struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec); struct max98095_cdata *cdata; int ret = 0; ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_I2C); if (ret != 0) { dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); return ret; } /* reset the codec, the DSP core, and disable all interrupts */ max98095_reset(codec); /* initialize private data */ max98095->sysclk = (unsigned)-1; max98095->eq_textcnt = 0; max98095->bq_textcnt = 0; cdata = &max98095->dai[0]; cdata->rate = (unsigned)-1; cdata->fmt = (unsigned)-1; cdata->eq_sel = 0; cdata->bq_sel = 0; cdata = &max98095->dai[1]; cdata->rate = (unsigned)-1; cdata->fmt = (unsigned)-1; cdata->eq_sel = 0; cdata->bq_sel = 0; cdata = &max98095->dai[2]; cdata->rate = (unsigned)-1; cdata->fmt = (unsigned)-1; cdata->eq_sel = 0; cdata->bq_sel = 0; max98095->lin_state = 0; max98095->mic1pre = 0; max98095->mic2pre = 0; ret = snd_soc_read(codec, M98095_0FF_REV_ID); if (ret < 0) { dev_err(codec->dev, "Failed to read device revision: %d\n", ret); goto err_access; } dev_info(codec->dev, "revision %c\n", ret + 'A'); snd_soc_write(codec, M98095_097_PWR_SYS, M98095_PWRSV); /* initialize registers cache to hardware default */ max98095_set_bias_level(codec, SND_SOC_BIAS_STANDBY); snd_soc_write(codec, M98095_048_MIX_DAC_LR, M98095_DAI1L_TO_DACL|M98095_DAI1R_TO_DACR); snd_soc_write(codec, M98095_049_MIX_DAC_M, M98095_DAI2M_TO_DACM|M98095_DAI3M_TO_DACM); snd_soc_write(codec, M98095_092_PWR_EN_OUT, M98095_SPK_SPREADSPECTRUM); snd_soc_write(codec, M98095_045_CFG_DSP, M98095_DSPNORMAL); snd_soc_write(codec, M98095_04E_CFG_HP, M98095_HPNORMAL); snd_soc_write(codec, M98095_02C_DAI1_IOCFG, M98095_S1NORMAL|M98095_SDATA); snd_soc_write(codec, M98095_036_DAI2_IOCFG, M98095_S2NORMAL|M98095_SDATA); snd_soc_write(codec, M98095_040_DAI3_IOCFG, M98095_S3NORMAL|M98095_SDATA); max98095_handle_pdata(codec); /* take the codec out of the shut down */ snd_soc_update_bits(codec, M98095_097_PWR_SYS, M98095_SHDNRUN, M98095_SHDNRUN); max98095_add_widgets(codec); err_access: return ret; } static int max98095_remove(struct snd_soc_codec *codec) { max98095_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; } static struct snd_soc_codec_driver soc_codec_dev_max98095 = { .probe = max98095_probe, .remove = max98095_remove, .suspend = max98095_suspend, .resume = max98095_resume, .set_bias_level = max98095_set_bias_level, .reg_cache_size = ARRAY_SIZE(max98095_reg_def), .reg_word_size = sizeof(u8), .reg_cache_default = max98095_reg_def, .readable_register = max98095_readable, .volatile_register = max98095_volatile, .dapm_widgets = max98095_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(max98095_dapm_widgets), .dapm_routes = max98095_audio_map, .num_dapm_routes = ARRAY_SIZE(max98095_audio_map), }; static int max98095_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct max98095_priv *max98095; int ret; max98095 = kzalloc(sizeof(struct max98095_priv), GFP_KERNEL); if (max98095 == NULL) return -ENOMEM; max98095->devtype = id->driver_data; i2c_set_clientdata(i2c, max98095); max98095->control_data = i2c; max98095->pdata = i2c->dev.platform_data; ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_max98095, &max98095_dai[0], 3); if (ret < 0) kfree(max98095); return ret; } static int __devexit max98095_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 max98095_i2c_id[] = { { "max98095", MAX98095 }, { } }; MODULE_DEVICE_TABLE(i2c, max98095_i2c_id); static struct i2c_driver max98095_i2c_driver = { .driver = { .name = "max98095", .owner = THIS_MODULE, }, .probe = max98095_i2c_probe, .remove = __devexit_p(max98095_i2c_remove), .id_table = max98095_i2c_id, }; static int __init max98095_init(void) { int ret; ret = i2c_add_driver(&max98095_i2c_driver); if (ret) pr_err("Failed to register max98095 I2C driver: %d\n", ret); return ret; } module_init(max98095_init); static void __exit max98095_exit(void) { i2c_del_driver(&max98095_i2c_driver); } module_exit(max98095_exit); MODULE_DESCRIPTION("ALSA SoC MAX98095 driver"); MODULE_AUTHOR("Peter Hsiang"); MODULE_LICENSE("GPL");