1d808fe9fSTomoya MORINAGA /* 2d808fe9fSTomoya MORINAGA * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd. 3d808fe9fSTomoya MORINAGA * 4d808fe9fSTomoya MORINAGA * This program is free software; you can redistribute it and/or modify 5d808fe9fSTomoya MORINAGA * it under the terms of the GNU General Public License as published by 6d808fe9fSTomoya MORINAGA * the Free Software Foundation; version 2 of the License. 7d808fe9fSTomoya MORINAGA * 8d808fe9fSTomoya MORINAGA * This program is distributed in the hope that it will be useful, 9d808fe9fSTomoya MORINAGA * but WITHOUT ANY WARRANTY; without even the implied warranty of 10d808fe9fSTomoya MORINAGA * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11d808fe9fSTomoya MORINAGA * GNU General Public License for more details. 12d808fe9fSTomoya MORINAGA * 13d808fe9fSTomoya MORINAGA * You should have received a copy of the GNU General Public License 14d808fe9fSTomoya MORINAGA * along with this program; if not, write to the Free Software 15d808fe9fSTomoya MORINAGA * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. 16d808fe9fSTomoya MORINAGA */ 17d808fe9fSTomoya MORINAGA 18d808fe9fSTomoya MORINAGA #include <linux/module.h> 19d808fe9fSTomoya MORINAGA #include <linux/moduleparam.h> 20d808fe9fSTomoya MORINAGA #include <linux/init.h> 21d808fe9fSTomoya MORINAGA #include <linux/delay.h> 22d808fe9fSTomoya MORINAGA #include <linux/pm.h> 23d808fe9fSTomoya MORINAGA #include <linux/i2c.h> 24d808fe9fSTomoya MORINAGA #include <linux/slab.h> 25d808fe9fSTomoya MORINAGA #include <linux/platform_device.h> 26d808fe9fSTomoya MORINAGA #include <linux/regmap.h> 27d808fe9fSTomoya MORINAGA #include <sound/core.h> 28d808fe9fSTomoya MORINAGA #include <sound/pcm.h> 29d808fe9fSTomoya MORINAGA #include <sound/pcm_params.h> 30d808fe9fSTomoya MORINAGA #include <sound/soc.h> 31d808fe9fSTomoya MORINAGA #include <sound/tlv.h> 32d808fe9fSTomoya MORINAGA #include "ml26124.h" 33d808fe9fSTomoya MORINAGA 34d808fe9fSTomoya MORINAGA #define DVOL_CTL_DVMUTE_ON BIT(4) /* Digital volume MUTE On */ 35d808fe9fSTomoya MORINAGA #define DVOL_CTL_DVMUTE_OFF 0 /* Digital volume MUTE Off */ 36d808fe9fSTomoya MORINAGA #define ML26124_SAI_NO_DELAY BIT(1) 37d808fe9fSTomoya MORINAGA #define ML26124_SAI_FRAME_SYNC (BIT(5) | BIT(0)) /* For mono (Telecodec) */ 38d808fe9fSTomoya MORINAGA #define ML26134_CACHESIZE 212 39d808fe9fSTomoya MORINAGA #define ML26124_VMID BIT(1) 40d808fe9fSTomoya MORINAGA #define ML26124_RATES (SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_32000 |\ 41d808fe9fSTomoya MORINAGA SNDRV_PCM_RATE_48000) 42d808fe9fSTomoya MORINAGA #define ML26124_FORMATS (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |\ 43d808fe9fSTomoya MORINAGA SNDRV_PCM_FMTBIT_S32_LE) 44d808fe9fSTomoya MORINAGA #define ML26124_NUM_REGISTER ML26134_CACHESIZE 45d808fe9fSTomoya MORINAGA 46d808fe9fSTomoya MORINAGA struct ml26124_priv { 47d808fe9fSTomoya MORINAGA u32 mclk; 48d808fe9fSTomoya MORINAGA u32 rate; 49d808fe9fSTomoya MORINAGA struct regmap *regmap; 50d808fe9fSTomoya MORINAGA int clk_in; 51d808fe9fSTomoya MORINAGA struct snd_pcm_substream *substream; 52d808fe9fSTomoya MORINAGA }; 53d808fe9fSTomoya MORINAGA 54d808fe9fSTomoya MORINAGA struct clk_coeff { 55d808fe9fSTomoya MORINAGA u32 mclk; 56d808fe9fSTomoya MORINAGA u32 rate; 57d808fe9fSTomoya MORINAGA u8 pllnl; 58d808fe9fSTomoya MORINAGA u8 pllnh; 59d808fe9fSTomoya MORINAGA u8 pllml; 60d808fe9fSTomoya MORINAGA u8 pllmh; 61d808fe9fSTomoya MORINAGA u8 plldiv; 62d808fe9fSTomoya MORINAGA }; 63d808fe9fSTomoya MORINAGA 64d808fe9fSTomoya MORINAGA /* ML26124 configuration */ 65d808fe9fSTomoya MORINAGA static const DECLARE_TLV_DB_SCALE(digital_tlv, -7150, 50, 0); 66d808fe9fSTomoya MORINAGA 67d808fe9fSTomoya MORINAGA static const DECLARE_TLV_DB_SCALE(alclvl, -2250, 150, 0); 68d808fe9fSTomoya MORINAGA static const DECLARE_TLV_DB_SCALE(mingain, -1200, 600, 0); 69d808fe9fSTomoya MORINAGA static const DECLARE_TLV_DB_SCALE(maxgain, -675, 600, 0); 70d808fe9fSTomoya MORINAGA static const DECLARE_TLV_DB_SCALE(boost_vol, -1200, 75, 0); 71d808fe9fSTomoya MORINAGA static const DECLARE_TLV_DB_SCALE(ngth, -7650, 150, 0); 72d808fe9fSTomoya MORINAGA 73d808fe9fSTomoya MORINAGA static const char * const ml26124_companding[] = {"16bit PCM", "u-law", 74d808fe9fSTomoya MORINAGA "A-law"}; 75d808fe9fSTomoya MORINAGA 76c3518d1bSTakashi Iwai static SOC_ENUM_SINGLE_DECL(ml26124_adc_companding_enum, 77c3518d1bSTakashi Iwai ML26124_SAI_TRANS_CTL, 6, ml26124_companding); 78d808fe9fSTomoya MORINAGA 79c3518d1bSTakashi Iwai static SOC_ENUM_SINGLE_DECL(ml26124_dac_companding_enum, 80c3518d1bSTakashi Iwai ML26124_SAI_RCV_CTL, 6, ml26124_companding); 81d808fe9fSTomoya MORINAGA 82d808fe9fSTomoya MORINAGA static const struct snd_kcontrol_new ml26124_snd_controls[] = { 83d808fe9fSTomoya MORINAGA SOC_SINGLE_TLV("Capture Digital Volume", ML26124_RECORD_DIG_VOL, 0, 84d808fe9fSTomoya MORINAGA 0xff, 1, digital_tlv), 85d808fe9fSTomoya MORINAGA SOC_SINGLE_TLV("Playback Digital Volume", ML26124_PLBAK_DIG_VOL, 0, 86d808fe9fSTomoya MORINAGA 0xff, 1, digital_tlv), 87d808fe9fSTomoya MORINAGA SOC_SINGLE_TLV("Digital Boost Volume", ML26124_DIGI_BOOST_VOL, 0, 88d808fe9fSTomoya MORINAGA 0x3f, 0, boost_vol), 89d808fe9fSTomoya MORINAGA SOC_SINGLE_TLV("EQ Band0 Volume", ML26124_EQ_GAIN_BRAND0, 0, 90d808fe9fSTomoya MORINAGA 0xff, 1, digital_tlv), 91d808fe9fSTomoya MORINAGA SOC_SINGLE_TLV("EQ Band1 Volume", ML26124_EQ_GAIN_BRAND1, 0, 92d808fe9fSTomoya MORINAGA 0xff, 1, digital_tlv), 93d808fe9fSTomoya MORINAGA SOC_SINGLE_TLV("EQ Band2 Volume", ML26124_EQ_GAIN_BRAND2, 0, 94d808fe9fSTomoya MORINAGA 0xff, 1, digital_tlv), 95d808fe9fSTomoya MORINAGA SOC_SINGLE_TLV("EQ Band3 Volume", ML26124_EQ_GAIN_BRAND3, 0, 96d808fe9fSTomoya MORINAGA 0xff, 1, digital_tlv), 97d808fe9fSTomoya MORINAGA SOC_SINGLE_TLV("EQ Band4 Volume", ML26124_EQ_GAIN_BRAND4, 0, 98d808fe9fSTomoya MORINAGA 0xff, 1, digital_tlv), 99d808fe9fSTomoya MORINAGA SOC_SINGLE_TLV("ALC Target Level", ML26124_ALC_TARGET_LEV, 0, 100d808fe9fSTomoya MORINAGA 0xf, 1, alclvl), 101d808fe9fSTomoya MORINAGA SOC_SINGLE_TLV("ALC Min Input Volume", ML26124_ALC_MAXMIN_GAIN, 0, 102d808fe9fSTomoya MORINAGA 7, 0, mingain), 103d808fe9fSTomoya MORINAGA SOC_SINGLE_TLV("ALC Max Input Volume", ML26124_ALC_MAXMIN_GAIN, 4, 104d808fe9fSTomoya MORINAGA 7, 1, maxgain), 105d808fe9fSTomoya MORINAGA SOC_SINGLE_TLV("Playback Limiter Min Input Volume", 106d808fe9fSTomoya MORINAGA ML26124_PL_MAXMIN_GAIN, 0, 7, 0, mingain), 107d808fe9fSTomoya MORINAGA SOC_SINGLE_TLV("Playback Limiter Max Input Volume", 108d808fe9fSTomoya MORINAGA ML26124_PL_MAXMIN_GAIN, 4, 7, 1, maxgain), 109d808fe9fSTomoya MORINAGA SOC_SINGLE_TLV("Playback Boost Volume", ML26124_PLYBAK_BOST_VOL, 0, 110d808fe9fSTomoya MORINAGA 0x3f, 0, boost_vol), 111d808fe9fSTomoya MORINAGA SOC_SINGLE("DC High Pass Filter Switch", ML26124_FILTER_EN, 0, 1, 0), 112d808fe9fSTomoya MORINAGA SOC_SINGLE("Noise High Pass Filter Switch", ML26124_FILTER_EN, 1, 1, 0), 113d808fe9fSTomoya MORINAGA SOC_SINGLE("ZC Switch", ML26124_PW_ZCCMP_PW_MNG, 1, 114d808fe9fSTomoya MORINAGA 1, 0), 115d808fe9fSTomoya MORINAGA SOC_SINGLE("EQ Band0 Switch", ML26124_FILTER_EN, 2, 1, 0), 116d808fe9fSTomoya MORINAGA SOC_SINGLE("EQ Band1 Switch", ML26124_FILTER_EN, 3, 1, 0), 117d808fe9fSTomoya MORINAGA SOC_SINGLE("EQ Band2 Switch", ML26124_FILTER_EN, 4, 1, 0), 118d808fe9fSTomoya MORINAGA SOC_SINGLE("EQ Band3 Switch", ML26124_FILTER_EN, 5, 1, 0), 119d808fe9fSTomoya MORINAGA SOC_SINGLE("EQ Band4 Switch", ML26124_FILTER_EN, 6, 1, 0), 120d808fe9fSTomoya MORINAGA SOC_SINGLE("Play Limiter", ML26124_DVOL_CTL, 0, 1, 0), 121d808fe9fSTomoya MORINAGA SOC_SINGLE("Capture Limiter", ML26124_DVOL_CTL, 1, 1, 0), 122d808fe9fSTomoya MORINAGA SOC_SINGLE("Digital Volume Fade Switch", ML26124_DVOL_CTL, 3, 1, 0), 123d808fe9fSTomoya MORINAGA SOC_SINGLE("Digital Switch", ML26124_DVOL_CTL, 4, 1, 0), 124d808fe9fSTomoya MORINAGA SOC_ENUM("DAC Companding", ml26124_dac_companding_enum), 125d808fe9fSTomoya MORINAGA SOC_ENUM("ADC Companding", ml26124_adc_companding_enum), 126d808fe9fSTomoya MORINAGA }; 127d808fe9fSTomoya MORINAGA 128d808fe9fSTomoya MORINAGA static const struct snd_kcontrol_new ml26124_output_mixer_controls[] = { 129d808fe9fSTomoya MORINAGA SOC_DAPM_SINGLE("DAC Switch", ML26124_SPK_AMP_OUT, 1, 1, 0), 130d808fe9fSTomoya MORINAGA SOC_DAPM_SINGLE("Line in loopback Switch", ML26124_SPK_AMP_OUT, 3, 1, 131d808fe9fSTomoya MORINAGA 0), 132d808fe9fSTomoya MORINAGA SOC_DAPM_SINGLE("PGA Switch", ML26124_SPK_AMP_OUT, 5, 1, 0), 133d808fe9fSTomoya MORINAGA }; 134d808fe9fSTomoya MORINAGA 135d808fe9fSTomoya MORINAGA /* Input mux */ 136d808fe9fSTomoya MORINAGA static const char * const ml26124_input_select[] = {"Analog MIC SingleEnded in", 137d808fe9fSTomoya MORINAGA "Digital MIC in", "Analog MIC Differential in"}; 138d808fe9fSTomoya MORINAGA 139c3518d1bSTakashi Iwai static SOC_ENUM_SINGLE_DECL(ml26124_insel_enum, 140c3518d1bSTakashi Iwai ML26124_MIC_IF_CTL, 0, ml26124_input_select); 141d808fe9fSTomoya MORINAGA 142d808fe9fSTomoya MORINAGA static const struct snd_kcontrol_new ml26124_input_mux_controls = 143d808fe9fSTomoya MORINAGA SOC_DAPM_ENUM("Input Select", ml26124_insel_enum); 144d808fe9fSTomoya MORINAGA 145d808fe9fSTomoya MORINAGA static const struct snd_kcontrol_new ml26124_line_control = 146d808fe9fSTomoya MORINAGA SOC_DAPM_SINGLE("Switch", ML26124_PW_LOUT_PW_MNG, 1, 1, 0); 147d808fe9fSTomoya MORINAGA 148d808fe9fSTomoya MORINAGA static const struct snd_soc_dapm_widget ml26124_dapm_widgets[] = { 149d808fe9fSTomoya MORINAGA SND_SOC_DAPM_SUPPLY("MCLKEN", ML26124_CLK_EN, 0, 0, NULL, 0), 150d808fe9fSTomoya MORINAGA SND_SOC_DAPM_SUPPLY("PLLEN", ML26124_CLK_EN, 1, 0, NULL, 0), 151d808fe9fSTomoya MORINAGA SND_SOC_DAPM_SUPPLY("PLLOE", ML26124_CLK_EN, 2, 0, NULL, 0), 152d808fe9fSTomoya MORINAGA SND_SOC_DAPM_SUPPLY("MICBIAS", ML26124_PW_REF_PW_MNG, 2, 0, NULL, 0), 153d808fe9fSTomoya MORINAGA SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0, 154d808fe9fSTomoya MORINAGA &ml26124_output_mixer_controls[0], 155d808fe9fSTomoya MORINAGA ARRAY_SIZE(ml26124_output_mixer_controls)), 156d808fe9fSTomoya MORINAGA SND_SOC_DAPM_DAC("DAC", "Playback", ML26124_PW_DAC_PW_MNG, 1, 0), 157d808fe9fSTomoya MORINAGA SND_SOC_DAPM_ADC("ADC", "Capture", ML26124_PW_IN_PW_MNG, 1, 0), 158d808fe9fSTomoya MORINAGA SND_SOC_DAPM_PGA("PGA", ML26124_PW_IN_PW_MNG, 3, 0, NULL, 0), 159d808fe9fSTomoya MORINAGA SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, 160d808fe9fSTomoya MORINAGA &ml26124_input_mux_controls), 161d808fe9fSTomoya MORINAGA SND_SOC_DAPM_SWITCH("Line Out Enable", SND_SOC_NOPM, 0, 0, 162d808fe9fSTomoya MORINAGA &ml26124_line_control), 163d808fe9fSTomoya MORINAGA SND_SOC_DAPM_INPUT("MDIN"), 164d808fe9fSTomoya MORINAGA SND_SOC_DAPM_INPUT("MIN"), 165d808fe9fSTomoya MORINAGA SND_SOC_DAPM_INPUT("LIN"), 166d808fe9fSTomoya MORINAGA SND_SOC_DAPM_OUTPUT("SPOUT"), 167d808fe9fSTomoya MORINAGA SND_SOC_DAPM_OUTPUT("LOUT"), 168d808fe9fSTomoya MORINAGA }; 169d808fe9fSTomoya MORINAGA 170d808fe9fSTomoya MORINAGA static const struct snd_soc_dapm_route ml26124_intercon[] = { 171d808fe9fSTomoya MORINAGA /* Supply */ 172d808fe9fSTomoya MORINAGA {"DAC", NULL, "MCLKEN"}, 173d808fe9fSTomoya MORINAGA {"ADC", NULL, "MCLKEN"}, 174d808fe9fSTomoya MORINAGA {"DAC", NULL, "PLLEN"}, 175d808fe9fSTomoya MORINAGA {"ADC", NULL, "PLLEN"}, 176d808fe9fSTomoya MORINAGA {"DAC", NULL, "PLLOE"}, 177d808fe9fSTomoya MORINAGA {"ADC", NULL, "PLLOE"}, 178d808fe9fSTomoya MORINAGA 179d808fe9fSTomoya MORINAGA /* output mixer */ 180d808fe9fSTomoya MORINAGA {"Output Mixer", "DAC Switch", "DAC"}, 181d808fe9fSTomoya MORINAGA {"Output Mixer", "Line in loopback Switch", "LIN"}, 182d808fe9fSTomoya MORINAGA 183d808fe9fSTomoya MORINAGA /* outputs */ 184d808fe9fSTomoya MORINAGA {"LOUT", NULL, "Output Mixer"}, 185d808fe9fSTomoya MORINAGA {"SPOUT", NULL, "Output Mixer"}, 186d808fe9fSTomoya MORINAGA {"Line Out Enable", NULL, "LOUT"}, 187d808fe9fSTomoya MORINAGA 188d808fe9fSTomoya MORINAGA /* input */ 189d808fe9fSTomoya MORINAGA {"ADC", NULL, "Input Mux"}, 190d808fe9fSTomoya MORINAGA {"Input Mux", "Analog MIC SingleEnded in", "PGA"}, 191d808fe9fSTomoya MORINAGA {"Input Mux", "Analog MIC Differential in", "PGA"}, 192d808fe9fSTomoya MORINAGA {"PGA", NULL, "MIN"}, 193d808fe9fSTomoya MORINAGA }; 194d808fe9fSTomoya MORINAGA 195d808fe9fSTomoya MORINAGA /* PLLOutputFreq(Hz) = InputMclkFreq(Hz) * PLLM / (PLLN * PLLDIV) */ 196d808fe9fSTomoya MORINAGA static const struct clk_coeff coeff_div[] = { 197d808fe9fSTomoya MORINAGA {12288000, 16000, 0xc, 0x0, 0x20, 0x0, 0x4}, 198d808fe9fSTomoya MORINAGA {12288000, 32000, 0xc, 0x0, 0x20, 0x0, 0x4}, 199d808fe9fSTomoya MORINAGA {12288000, 48000, 0xc, 0x0, 0x30, 0x0, 0x4}, 200d808fe9fSTomoya MORINAGA }; 201d808fe9fSTomoya MORINAGA 202c418a84aSAxel Lin static const struct reg_default ml26124_reg[] = { 203d808fe9fSTomoya MORINAGA /* CLOCK control Register */ 204d808fe9fSTomoya MORINAGA {0x00, 0x00 }, /* Sampling Rate */ 205d808fe9fSTomoya MORINAGA {0x02, 0x00}, /* PLL NL */ 206d808fe9fSTomoya MORINAGA {0x04, 0x00}, /* PLLNH */ 207d808fe9fSTomoya MORINAGA {0x06, 0x00}, /* PLLML */ 208d808fe9fSTomoya MORINAGA {0x08, 0x00}, /* MLLMH */ 209d808fe9fSTomoya MORINAGA {0x0a, 0x00}, /* PLLDIV */ 210d808fe9fSTomoya MORINAGA {0x0c, 0x00}, /* Clock Enable */ 211d808fe9fSTomoya MORINAGA {0x0e, 0x00}, /* CLK Input/Output Control */ 212d808fe9fSTomoya MORINAGA 213d808fe9fSTomoya MORINAGA /* System Control Register */ 214d808fe9fSTomoya MORINAGA {0x10, 0x00}, /* Software RESET */ 215d808fe9fSTomoya MORINAGA {0x12, 0x00}, /* Record/Playback Run */ 216d808fe9fSTomoya MORINAGA {0x14, 0x00}, /* Mic Input/Output control */ 217d808fe9fSTomoya MORINAGA 218d808fe9fSTomoya MORINAGA /* Power Management Register */ 219d808fe9fSTomoya MORINAGA {0x20, 0x00}, /* Reference Power Management */ 220d808fe9fSTomoya MORINAGA {0x22, 0x00}, /* Input Power Management */ 221d808fe9fSTomoya MORINAGA {0x24, 0x00}, /* DAC Power Management */ 222d808fe9fSTomoya MORINAGA {0x26, 0x00}, /* SP-AMP Power Management */ 223d808fe9fSTomoya MORINAGA {0x28, 0x00}, /* LINEOUT Power Management */ 224d808fe9fSTomoya MORINAGA {0x2a, 0x00}, /* VIDEO Power Management */ 225d808fe9fSTomoya MORINAGA {0x2e, 0x00}, /* AC-CMP Power Management */ 226d808fe9fSTomoya MORINAGA 227d808fe9fSTomoya MORINAGA /* Analog reference Control Register */ 228d808fe9fSTomoya MORINAGA {0x30, 0x04}, /* MICBIAS Voltage Control */ 229d808fe9fSTomoya MORINAGA 230d808fe9fSTomoya MORINAGA /* Input/Output Amplifier Control Register */ 231d808fe9fSTomoya MORINAGA {0x32, 0x10}, /* MIC Input Volume */ 232d808fe9fSTomoya MORINAGA {0x38, 0x00}, /* Mic Boost Volume */ 233d808fe9fSTomoya MORINAGA {0x3a, 0x33}, /* Speaker AMP Volume */ 234d808fe9fSTomoya MORINAGA {0x48, 0x00}, /* AMP Volume Control Function Enable */ 235d808fe9fSTomoya MORINAGA {0x4a, 0x00}, /* Amplifier Volume Fader Control */ 236d808fe9fSTomoya MORINAGA 237d808fe9fSTomoya MORINAGA /* Analog Path Control Register */ 238d808fe9fSTomoya MORINAGA {0x54, 0x00}, /* Speaker AMP Output Control */ 239d808fe9fSTomoya MORINAGA {0x5a, 0x00}, /* Mic IF Control */ 240d808fe9fSTomoya MORINAGA {0xe8, 0x01}, /* Mic Select Control */ 241d808fe9fSTomoya MORINAGA 242d808fe9fSTomoya MORINAGA /* Audio Interface Control Register */ 243d808fe9fSTomoya MORINAGA {0x60, 0x00}, /* SAI-Trans Control */ 244d808fe9fSTomoya MORINAGA {0x62, 0x00}, /* SAI-Receive Control */ 245d808fe9fSTomoya MORINAGA {0x64, 0x00}, /* SAI Mode select */ 246d808fe9fSTomoya MORINAGA 247d808fe9fSTomoya MORINAGA /* DSP Control Register */ 248d808fe9fSTomoya MORINAGA {0x66, 0x01}, /* Filter Func Enable */ 249d808fe9fSTomoya MORINAGA {0x68, 0x00}, /* Volume Control Func Enable */ 250d808fe9fSTomoya MORINAGA {0x6A, 0x00}, /* Mixer & Volume Control*/ 251d808fe9fSTomoya MORINAGA {0x6C, 0xff}, /* Record Digital Volume */ 252d808fe9fSTomoya MORINAGA {0x70, 0xff}, /* Playback Digital Volume */ 253d808fe9fSTomoya MORINAGA {0x72, 0x10}, /* Digital Boost Volume */ 254d808fe9fSTomoya MORINAGA {0x74, 0xe7}, /* EQ gain Band0 */ 255d808fe9fSTomoya MORINAGA {0x76, 0xe7}, /* EQ gain Band1 */ 256d808fe9fSTomoya MORINAGA {0x78, 0xe7}, /* EQ gain Band2 */ 257d808fe9fSTomoya MORINAGA {0x7A, 0xe7}, /* EQ gain Band3 */ 258d808fe9fSTomoya MORINAGA {0x7C, 0xe7}, /* EQ gain Band4 */ 259d808fe9fSTomoya MORINAGA {0x7E, 0x00}, /* HPF2 CutOff*/ 260d808fe9fSTomoya MORINAGA {0x80, 0x00}, /* EQ Band0 Coef0L */ 261d808fe9fSTomoya MORINAGA {0x82, 0x00}, /* EQ Band0 Coef0H */ 262d808fe9fSTomoya MORINAGA {0x84, 0x00}, /* EQ Band0 Coef0L */ 263d808fe9fSTomoya MORINAGA {0x86, 0x00}, /* EQ Band0 Coef0H */ 264d808fe9fSTomoya MORINAGA {0x88, 0x00}, /* EQ Band1 Coef0L */ 265d808fe9fSTomoya MORINAGA {0x8A, 0x00}, /* EQ Band1 Coef0H */ 266d808fe9fSTomoya MORINAGA {0x8C, 0x00}, /* EQ Band1 Coef0L */ 267d808fe9fSTomoya MORINAGA {0x8E, 0x00}, /* EQ Band1 Coef0H */ 268d808fe9fSTomoya MORINAGA {0x90, 0x00}, /* EQ Band2 Coef0L */ 269d808fe9fSTomoya MORINAGA {0x92, 0x00}, /* EQ Band2 Coef0H */ 270d808fe9fSTomoya MORINAGA {0x94, 0x00}, /* EQ Band2 Coef0L */ 271d808fe9fSTomoya MORINAGA {0x96, 0x00}, /* EQ Band2 Coef0H */ 272d808fe9fSTomoya MORINAGA {0x98, 0x00}, /* EQ Band3 Coef0L */ 273d808fe9fSTomoya MORINAGA {0x9A, 0x00}, /* EQ Band3 Coef0H */ 274d808fe9fSTomoya MORINAGA {0x9C, 0x00}, /* EQ Band3 Coef0L */ 275d808fe9fSTomoya MORINAGA {0x9E, 0x00}, /* EQ Band3 Coef0H */ 276d808fe9fSTomoya MORINAGA {0xA0, 0x00}, /* EQ Band4 Coef0L */ 277d808fe9fSTomoya MORINAGA {0xA2, 0x00}, /* EQ Band4 Coef0H */ 278d808fe9fSTomoya MORINAGA {0xA4, 0x00}, /* EQ Band4 Coef0L */ 279d808fe9fSTomoya MORINAGA {0xA6, 0x00}, /* EQ Band4 Coef0H */ 280d808fe9fSTomoya MORINAGA 281d808fe9fSTomoya MORINAGA /* ALC Control Register */ 282d808fe9fSTomoya MORINAGA {0xb0, 0x00}, /* ALC Mode */ 283d808fe9fSTomoya MORINAGA {0xb2, 0x02}, /* ALC Attack Time */ 284d808fe9fSTomoya MORINAGA {0xb4, 0x03}, /* ALC Decay Time */ 285d808fe9fSTomoya MORINAGA {0xb6, 0x00}, /* ALC Hold Time */ 286d808fe9fSTomoya MORINAGA {0xb8, 0x0b}, /* ALC Target Level */ 287d808fe9fSTomoya MORINAGA {0xba, 0x70}, /* ALC Max/Min Gain */ 288d808fe9fSTomoya MORINAGA {0xbc, 0x00}, /* Noise Gate Threshold */ 289d808fe9fSTomoya MORINAGA {0xbe, 0x00}, /* ALC ZeroCross TimeOut */ 290d808fe9fSTomoya MORINAGA 291d808fe9fSTomoya MORINAGA /* Playback Limiter Control Register */ 292d808fe9fSTomoya MORINAGA {0xc0, 0x04}, /* PL Attack Time */ 293d808fe9fSTomoya MORINAGA {0xc2, 0x05}, /* PL Decay Time */ 294d808fe9fSTomoya MORINAGA {0xc4, 0x0d}, /* PL Target Level */ 295d808fe9fSTomoya MORINAGA {0xc6, 0x70}, /* PL Max/Min Gain */ 296d808fe9fSTomoya MORINAGA {0xc8, 0x10}, /* Playback Boost Volume */ 297d808fe9fSTomoya MORINAGA {0xca, 0x00}, /* PL ZeroCross TimeOut */ 298d808fe9fSTomoya MORINAGA 299d808fe9fSTomoya MORINAGA /* Video Amplifier Control Register */ 300d808fe9fSTomoya MORINAGA {0xd0, 0x01}, /* VIDEO AMP Gain Control */ 301d808fe9fSTomoya MORINAGA {0xd2, 0x01}, /* VIDEO AMP Setup 1 */ 302d808fe9fSTomoya MORINAGA {0xd4, 0x01}, /* VIDEO AMP Control2 */ 303d808fe9fSTomoya MORINAGA }; 304d808fe9fSTomoya MORINAGA 305d808fe9fSTomoya MORINAGA /* Get sampling rate value of sampling rate setting register (0x0) */ 306d808fe9fSTomoya MORINAGA static inline int get_srate(int rate) 307d808fe9fSTomoya MORINAGA { 308d808fe9fSTomoya MORINAGA int srate; 309d808fe9fSTomoya MORINAGA 310d808fe9fSTomoya MORINAGA switch (rate) { 311d808fe9fSTomoya MORINAGA case 16000: 312d808fe9fSTomoya MORINAGA srate = 3; 313d808fe9fSTomoya MORINAGA break; 314d808fe9fSTomoya MORINAGA case 32000: 315d808fe9fSTomoya MORINAGA srate = 6; 316d808fe9fSTomoya MORINAGA break; 317d808fe9fSTomoya MORINAGA case 48000: 318d808fe9fSTomoya MORINAGA srate = 8; 319d808fe9fSTomoya MORINAGA break; 320d808fe9fSTomoya MORINAGA default: 321d808fe9fSTomoya MORINAGA return -EINVAL; 322d808fe9fSTomoya MORINAGA } 323d808fe9fSTomoya MORINAGA return srate; 324d808fe9fSTomoya MORINAGA } 325d808fe9fSTomoya MORINAGA 326d808fe9fSTomoya MORINAGA static inline int get_coeff(int mclk, int rate) 327d808fe9fSTomoya MORINAGA { 328d808fe9fSTomoya MORINAGA int i; 329d808fe9fSTomoya MORINAGA 330d808fe9fSTomoya MORINAGA for (i = 0; i < ARRAY_SIZE(coeff_div); i++) { 331d808fe9fSTomoya MORINAGA if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk) 332d808fe9fSTomoya MORINAGA return i; 333d808fe9fSTomoya MORINAGA } 334d808fe9fSTomoya MORINAGA return -EINVAL; 335d808fe9fSTomoya MORINAGA } 336d808fe9fSTomoya MORINAGA 337d808fe9fSTomoya MORINAGA static int ml26124_hw_params(struct snd_pcm_substream *substream, 338d808fe9fSTomoya MORINAGA struct snd_pcm_hw_params *hw_params, 339d808fe9fSTomoya MORINAGA struct snd_soc_dai *dai) 340d808fe9fSTomoya MORINAGA { 341d808fe9fSTomoya MORINAGA struct snd_soc_codec *codec = dai->codec; 342d808fe9fSTomoya MORINAGA struct ml26124_priv *priv = snd_soc_codec_get_drvdata(codec); 343d808fe9fSTomoya MORINAGA int i = get_coeff(priv->mclk, params_rate(hw_params)); 344b43fccf4SAxel Lin int srate; 345d808fe9fSTomoya MORINAGA 3468b4b3036STakashi Iwai if (i < 0) 3478b4b3036STakashi Iwai return i; 348d808fe9fSTomoya MORINAGA priv->substream = substream; 349d808fe9fSTomoya MORINAGA priv->rate = params_rate(hw_params); 350d808fe9fSTomoya MORINAGA 351d808fe9fSTomoya MORINAGA if (priv->clk_in) { 352d808fe9fSTomoya MORINAGA switch (priv->mclk / params_rate(hw_params)) { 353d808fe9fSTomoya MORINAGA case 256: 354d808fe9fSTomoya MORINAGA snd_soc_update_bits(codec, ML26124_CLK_CTL, 355d808fe9fSTomoya MORINAGA BIT(0) | BIT(1), 1); 356d808fe9fSTomoya MORINAGA break; 357d808fe9fSTomoya MORINAGA case 512: 358d808fe9fSTomoya MORINAGA snd_soc_update_bits(codec, ML26124_CLK_CTL, 359d808fe9fSTomoya MORINAGA BIT(0) | BIT(1), 2); 360d808fe9fSTomoya MORINAGA break; 361d808fe9fSTomoya MORINAGA case 1024: 362d808fe9fSTomoya MORINAGA snd_soc_update_bits(codec, ML26124_CLK_CTL, 363d808fe9fSTomoya MORINAGA BIT(0) | BIT(1), 3); 364d808fe9fSTomoya MORINAGA break; 365d808fe9fSTomoya MORINAGA default: 366d808fe9fSTomoya MORINAGA dev_err(codec->dev, "Unsupported MCLKI\n"); 367d808fe9fSTomoya MORINAGA break; 368d808fe9fSTomoya MORINAGA } 369d808fe9fSTomoya MORINAGA } else { 370d808fe9fSTomoya MORINAGA snd_soc_update_bits(codec, ML26124_CLK_CTL, 371d808fe9fSTomoya MORINAGA BIT(0) | BIT(1), 0); 372d808fe9fSTomoya MORINAGA } 373d808fe9fSTomoya MORINAGA 374b43fccf4SAxel Lin srate = get_srate(params_rate(hw_params)); 375b43fccf4SAxel Lin if (srate < 0) 376b43fccf4SAxel Lin return srate; 377b43fccf4SAxel Lin 378b43fccf4SAxel Lin snd_soc_update_bits(codec, ML26124_SMPLING_RATE, 0xf, srate); 379b43fccf4SAxel Lin snd_soc_update_bits(codec, ML26124_PLLNL, 0xff, coeff_div[i].pllnl); 380b43fccf4SAxel Lin snd_soc_update_bits(codec, ML26124_PLLNH, 0x1, coeff_div[i].pllnh); 381b43fccf4SAxel Lin snd_soc_update_bits(codec, ML26124_PLLML, 0xff, coeff_div[i].pllml); 382b43fccf4SAxel Lin snd_soc_update_bits(codec, ML26124_PLLMH, 0x3f, coeff_div[i].pllmh); 383b43fccf4SAxel Lin snd_soc_update_bits(codec, ML26124_PLLDIV, 0x1f, coeff_div[i].plldiv); 384d808fe9fSTomoya MORINAGA 385d808fe9fSTomoya MORINAGA return 0; 386d808fe9fSTomoya MORINAGA } 387d808fe9fSTomoya MORINAGA 388d808fe9fSTomoya MORINAGA static int ml26124_mute(struct snd_soc_dai *dai, int mute) 389d808fe9fSTomoya MORINAGA { 390d808fe9fSTomoya MORINAGA struct snd_soc_codec *codec = dai->codec; 391d808fe9fSTomoya MORINAGA struct ml26124_priv *priv = snd_soc_codec_get_drvdata(codec); 392d808fe9fSTomoya MORINAGA 393d808fe9fSTomoya MORINAGA switch (priv->substream->stream) { 394d808fe9fSTomoya MORINAGA case SNDRV_PCM_STREAM_CAPTURE: 395d808fe9fSTomoya MORINAGA snd_soc_update_bits(codec, ML26124_REC_PLYBAK_RUN, BIT(0), 1); 396d808fe9fSTomoya MORINAGA break; 397d808fe9fSTomoya MORINAGA case SNDRV_PCM_STREAM_PLAYBACK: 398d808fe9fSTomoya MORINAGA snd_soc_update_bits(codec, ML26124_REC_PLYBAK_RUN, BIT(1), 2); 399d808fe9fSTomoya MORINAGA break; 400d808fe9fSTomoya MORINAGA } 401d808fe9fSTomoya MORINAGA 402d808fe9fSTomoya MORINAGA if (mute) 403d808fe9fSTomoya MORINAGA snd_soc_update_bits(codec, ML26124_DVOL_CTL, BIT(4), 404d808fe9fSTomoya MORINAGA DVOL_CTL_DVMUTE_ON); 405d808fe9fSTomoya MORINAGA else 406d808fe9fSTomoya MORINAGA snd_soc_update_bits(codec, ML26124_DVOL_CTL, BIT(4), 407d808fe9fSTomoya MORINAGA DVOL_CTL_DVMUTE_OFF); 408d808fe9fSTomoya MORINAGA 409d808fe9fSTomoya MORINAGA return 0; 410d808fe9fSTomoya MORINAGA } 411d808fe9fSTomoya MORINAGA 412d808fe9fSTomoya MORINAGA static int ml26124_set_dai_fmt(struct snd_soc_dai *codec_dai, 413d808fe9fSTomoya MORINAGA unsigned int fmt) 414d808fe9fSTomoya MORINAGA { 415d808fe9fSTomoya MORINAGA unsigned char mode; 416d808fe9fSTomoya MORINAGA struct snd_soc_codec *codec = codec_dai->codec; 417d808fe9fSTomoya MORINAGA 418d808fe9fSTomoya MORINAGA /* set master/slave audio interface */ 419d808fe9fSTomoya MORINAGA switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 420d808fe9fSTomoya MORINAGA case SND_SOC_DAIFMT_CBM_CFM: 421d808fe9fSTomoya MORINAGA mode = 1; 422d808fe9fSTomoya MORINAGA break; 423d808fe9fSTomoya MORINAGA case SND_SOC_DAIFMT_CBS_CFS: 424d808fe9fSTomoya MORINAGA mode = 0; 425d808fe9fSTomoya MORINAGA break; 426d808fe9fSTomoya MORINAGA default: 427d808fe9fSTomoya MORINAGA return -EINVAL; 428d808fe9fSTomoya MORINAGA } 429d808fe9fSTomoya MORINAGA snd_soc_update_bits(codec, ML26124_SAI_MODE_SEL, BIT(0), mode); 430d808fe9fSTomoya MORINAGA 431d808fe9fSTomoya MORINAGA /* interface format */ 432d808fe9fSTomoya MORINAGA switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 433d808fe9fSTomoya MORINAGA case SND_SOC_DAIFMT_I2S: 434d808fe9fSTomoya MORINAGA break; 435d808fe9fSTomoya MORINAGA default: 436d808fe9fSTomoya MORINAGA return -EINVAL; 437d808fe9fSTomoya MORINAGA } 438d808fe9fSTomoya MORINAGA 439d808fe9fSTomoya MORINAGA /* clock inversion */ 440d808fe9fSTomoya MORINAGA switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 441d808fe9fSTomoya MORINAGA case SND_SOC_DAIFMT_NB_NF: 442d808fe9fSTomoya MORINAGA break; 443d808fe9fSTomoya MORINAGA default: 444d808fe9fSTomoya MORINAGA return -EINVAL; 445d808fe9fSTomoya MORINAGA } 446d808fe9fSTomoya MORINAGA 447d808fe9fSTomoya MORINAGA return 0; 448d808fe9fSTomoya MORINAGA } 449d808fe9fSTomoya MORINAGA 450d808fe9fSTomoya MORINAGA static int ml26124_set_dai_sysclk(struct snd_soc_dai *codec_dai, 451d808fe9fSTomoya MORINAGA int clk_id, unsigned int freq, int dir) 452d808fe9fSTomoya MORINAGA { 453d808fe9fSTomoya MORINAGA struct snd_soc_codec *codec = codec_dai->codec; 454d808fe9fSTomoya MORINAGA struct ml26124_priv *priv = snd_soc_codec_get_drvdata(codec); 455d808fe9fSTomoya MORINAGA 456d808fe9fSTomoya MORINAGA switch (clk_id) { 457d808fe9fSTomoya MORINAGA case ML26124_USE_PLLOUT: 458d808fe9fSTomoya MORINAGA priv->clk_in = ML26124_USE_PLLOUT; 459d808fe9fSTomoya MORINAGA break; 460d808fe9fSTomoya MORINAGA case ML26124_USE_MCLKI: 461d808fe9fSTomoya MORINAGA priv->clk_in = ML26124_USE_MCLKI; 462d808fe9fSTomoya MORINAGA break; 463d808fe9fSTomoya MORINAGA default: 464d808fe9fSTomoya MORINAGA return -EINVAL; 465d808fe9fSTomoya MORINAGA } 466d808fe9fSTomoya MORINAGA 467d808fe9fSTomoya MORINAGA priv->mclk = freq; 468d808fe9fSTomoya MORINAGA 469d808fe9fSTomoya MORINAGA return 0; 470d808fe9fSTomoya MORINAGA } 471d808fe9fSTomoya MORINAGA 472d808fe9fSTomoya MORINAGA static int ml26124_set_bias_level(struct snd_soc_codec *codec, 473d808fe9fSTomoya MORINAGA enum snd_soc_bias_level level) 474d808fe9fSTomoya MORINAGA { 475d808fe9fSTomoya MORINAGA struct ml26124_priv *priv = snd_soc_codec_get_drvdata(codec); 476d808fe9fSTomoya MORINAGA 477d808fe9fSTomoya MORINAGA switch (level) { 478d808fe9fSTomoya MORINAGA case SND_SOC_BIAS_ON: 479d808fe9fSTomoya MORINAGA snd_soc_update_bits(codec, ML26124_PW_SPAMP_PW_MNG, 480d808fe9fSTomoya MORINAGA ML26124_R26_MASK, ML26124_BLT_PREAMP_ON); 481d808fe9fSTomoya MORINAGA msleep(100); 482d808fe9fSTomoya MORINAGA snd_soc_update_bits(codec, ML26124_PW_SPAMP_PW_MNG, 483d808fe9fSTomoya MORINAGA ML26124_R26_MASK, 484d808fe9fSTomoya MORINAGA ML26124_MICBEN_ON | ML26124_BLT_ALL_ON); 485d808fe9fSTomoya MORINAGA break; 486d808fe9fSTomoya MORINAGA case SND_SOC_BIAS_PREPARE: 487d808fe9fSTomoya MORINAGA break; 488d808fe9fSTomoya MORINAGA case SND_SOC_BIAS_STANDBY: 489d808fe9fSTomoya MORINAGA /* VMID ON */ 49041b76881SLars-Peter Clausen if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) { 491d808fe9fSTomoya MORINAGA snd_soc_update_bits(codec, ML26124_PW_REF_PW_MNG, 492d808fe9fSTomoya MORINAGA ML26124_VMID, ML26124_VMID); 493d808fe9fSTomoya MORINAGA msleep(500); 494d808fe9fSTomoya MORINAGA regcache_sync(priv->regmap); 495d808fe9fSTomoya MORINAGA } 496d808fe9fSTomoya MORINAGA break; 497d808fe9fSTomoya MORINAGA case SND_SOC_BIAS_OFF: 498d808fe9fSTomoya MORINAGA /* VMID OFF */ 499d808fe9fSTomoya MORINAGA snd_soc_update_bits(codec, ML26124_PW_REF_PW_MNG, 500d808fe9fSTomoya MORINAGA ML26124_VMID, 0); 501d808fe9fSTomoya MORINAGA break; 502d808fe9fSTomoya MORINAGA } 503d808fe9fSTomoya MORINAGA return 0; 504d808fe9fSTomoya MORINAGA } 505d808fe9fSTomoya MORINAGA 506d808fe9fSTomoya MORINAGA static const struct snd_soc_dai_ops ml26124_dai_ops = { 507d808fe9fSTomoya MORINAGA .hw_params = ml26124_hw_params, 508d808fe9fSTomoya MORINAGA .digital_mute = ml26124_mute, 509d808fe9fSTomoya MORINAGA .set_fmt = ml26124_set_dai_fmt, 510d808fe9fSTomoya MORINAGA .set_sysclk = ml26124_set_dai_sysclk, 511d808fe9fSTomoya MORINAGA }; 512d808fe9fSTomoya MORINAGA 513d808fe9fSTomoya MORINAGA static struct snd_soc_dai_driver ml26124_dai = { 514d808fe9fSTomoya MORINAGA .name = "ml26124-hifi", 515d808fe9fSTomoya MORINAGA .playback = { 516d808fe9fSTomoya MORINAGA .stream_name = "Playback", 517d808fe9fSTomoya MORINAGA .channels_min = 1, 518d808fe9fSTomoya MORINAGA .channels_max = 2, 519d808fe9fSTomoya MORINAGA .rates = ML26124_RATES, 520d808fe9fSTomoya MORINAGA .formats = ML26124_FORMATS,}, 521d808fe9fSTomoya MORINAGA .capture = { 522d808fe9fSTomoya MORINAGA .stream_name = "Capture", 523d808fe9fSTomoya MORINAGA .channels_min = 1, 524d808fe9fSTomoya MORINAGA .channels_max = 2, 525d808fe9fSTomoya MORINAGA .rates = ML26124_RATES, 526d808fe9fSTomoya MORINAGA .formats = ML26124_FORMATS,}, 527d808fe9fSTomoya MORINAGA .ops = &ml26124_dai_ops, 528d808fe9fSTomoya MORINAGA .symmetric_rates = 1, 529d808fe9fSTomoya MORINAGA }; 530d808fe9fSTomoya MORINAGA 531d808fe9fSTomoya MORINAGA static int ml26124_probe(struct snd_soc_codec *codec) 532d808fe9fSTomoya MORINAGA { 533d808fe9fSTomoya MORINAGA /* Software Reset */ 534d808fe9fSTomoya MORINAGA snd_soc_update_bits(codec, ML26124_SW_RST, 0x01, 1); 535d808fe9fSTomoya MORINAGA snd_soc_update_bits(codec, ML26124_SW_RST, 0x01, 0); 536d808fe9fSTomoya MORINAGA 537d808fe9fSTomoya MORINAGA return 0; 538d808fe9fSTomoya MORINAGA } 539d808fe9fSTomoya MORINAGA 540d808fe9fSTomoya MORINAGA static struct snd_soc_codec_driver soc_codec_dev_ml26124 = { 541d808fe9fSTomoya MORINAGA .probe = ml26124_probe, 542d808fe9fSTomoya MORINAGA .set_bias_level = ml26124_set_bias_level, 54335199a7cSLars-Peter Clausen .suspend_bias_off = true, 544d808fe9fSTomoya MORINAGA .dapm_widgets = ml26124_dapm_widgets, 545d808fe9fSTomoya MORINAGA .num_dapm_widgets = ARRAY_SIZE(ml26124_dapm_widgets), 546d808fe9fSTomoya MORINAGA .dapm_routes = ml26124_intercon, 547d808fe9fSTomoya MORINAGA .num_dapm_routes = ARRAY_SIZE(ml26124_intercon), 548d808fe9fSTomoya MORINAGA .controls = ml26124_snd_controls, 549d808fe9fSTomoya MORINAGA .num_controls = ARRAY_SIZE(ml26124_snd_controls), 550d808fe9fSTomoya MORINAGA }; 551d808fe9fSTomoya MORINAGA 552d808fe9fSTomoya MORINAGA static const struct regmap_config ml26124_i2c_regmap = { 553d808fe9fSTomoya MORINAGA .val_bits = 8, 554d808fe9fSTomoya MORINAGA .reg_bits = 8, 555d808fe9fSTomoya MORINAGA .max_register = ML26124_NUM_REGISTER, 556d808fe9fSTomoya MORINAGA .reg_defaults = ml26124_reg, 557d808fe9fSTomoya MORINAGA .num_reg_defaults = ARRAY_SIZE(ml26124_reg), 558d808fe9fSTomoya MORINAGA .cache_type = REGCACHE_RBTREE, 559d808fe9fSTomoya MORINAGA .write_flag_mask = 0x01, 560d808fe9fSTomoya MORINAGA }; 561d808fe9fSTomoya MORINAGA 5627a79e94eSBill Pemberton static int ml26124_i2c_probe(struct i2c_client *i2c, 563d808fe9fSTomoya MORINAGA const struct i2c_device_id *id) 564d808fe9fSTomoya MORINAGA { 565d808fe9fSTomoya MORINAGA struct ml26124_priv *priv; 566d808fe9fSTomoya MORINAGA int ret; 567d808fe9fSTomoya MORINAGA 568d808fe9fSTomoya MORINAGA priv = devm_kzalloc(&i2c->dev, sizeof(*priv), GFP_KERNEL); 569d808fe9fSTomoya MORINAGA if (!priv) 570d808fe9fSTomoya MORINAGA return -ENOMEM; 571d808fe9fSTomoya MORINAGA 572d808fe9fSTomoya MORINAGA i2c_set_clientdata(i2c, priv); 573d808fe9fSTomoya MORINAGA 5748994a5e1SAxel Lin priv->regmap = devm_regmap_init_i2c(i2c, &ml26124_i2c_regmap); 575d808fe9fSTomoya MORINAGA if (IS_ERR(priv->regmap)) { 576d808fe9fSTomoya MORINAGA ret = PTR_ERR(priv->regmap); 577d808fe9fSTomoya MORINAGA dev_err(&i2c->dev, "regmap_init_i2c() failed: %d\n", ret); 578d808fe9fSTomoya MORINAGA return ret; 579d808fe9fSTomoya MORINAGA } 580d808fe9fSTomoya MORINAGA 581d808fe9fSTomoya MORINAGA return snd_soc_register_codec(&i2c->dev, 582d808fe9fSTomoya MORINAGA &soc_codec_dev_ml26124, &ml26124_dai, 1); 583d808fe9fSTomoya MORINAGA } 584d808fe9fSTomoya MORINAGA 5857a79e94eSBill Pemberton static int ml26124_i2c_remove(struct i2c_client *client) 586d808fe9fSTomoya MORINAGA { 587d808fe9fSTomoya MORINAGA snd_soc_unregister_codec(&client->dev); 588d808fe9fSTomoya MORINAGA return 0; 589d808fe9fSTomoya MORINAGA } 590d808fe9fSTomoya MORINAGA 591d808fe9fSTomoya MORINAGA static const struct i2c_device_id ml26124_i2c_id[] = { 592d808fe9fSTomoya MORINAGA { "ml26124", 0 }, 593d808fe9fSTomoya MORINAGA { } 594d808fe9fSTomoya MORINAGA }; 595d808fe9fSTomoya MORINAGA MODULE_DEVICE_TABLE(i2c, ml26124_i2c_id); 596d808fe9fSTomoya MORINAGA 597d808fe9fSTomoya MORINAGA static struct i2c_driver ml26124_i2c_driver = { 598d808fe9fSTomoya MORINAGA .driver = { 599d808fe9fSTomoya MORINAGA .name = "ml26124", 600d808fe9fSTomoya MORINAGA .owner = THIS_MODULE, 601d808fe9fSTomoya MORINAGA }, 602d808fe9fSTomoya MORINAGA .probe = ml26124_i2c_probe, 6037a79e94eSBill Pemberton .remove = ml26124_i2c_remove, 604d808fe9fSTomoya MORINAGA .id_table = ml26124_i2c_id, 605d808fe9fSTomoya MORINAGA }; 606d808fe9fSTomoya MORINAGA 607d808fe9fSTomoya MORINAGA module_i2c_driver(ml26124_i2c_driver); 608d808fe9fSTomoya MORINAGA 609d808fe9fSTomoya MORINAGA MODULE_AUTHOR("Tomoya MORINAGA <tomoya.rohm@gmail.com>"); 610d808fe9fSTomoya MORINAGA MODULE_DESCRIPTION("LAPIS Semiconductor ML26124 ALSA SoC codec driver"); 611d808fe9fSTomoya MORINAGA MODULE_LICENSE("GPL"); 612