/* * wm8915.c - WM8915 audio codec interface * * Copyright 2011 Wolfson Microelectronics PLC. * Author: Mark Brown * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "wm8915.h" #define WM8915_AIFS 2 #define HPOUT1L 1 #define HPOUT1R 2 #define HPOUT2L 4 #define HPOUT2R 8 #define WM8915_NUM_SUPPLIES 6 static const char *wm8915_supply_names[WM8915_NUM_SUPPLIES] = { "DCVDD", "DBVDD", "AVDD1", "AVDD2", "CPVDD", "MICVDD", }; struct wm8915_priv { struct snd_soc_codec *codec; int ldo1ena; int sysclk; int fll_src; int fll_fref; int fll_fout; struct completion fll_lock; u16 dcs_pending; struct completion dcs_done; u16 hpout_ena; u16 hpout_pending; struct regulator_bulk_data supplies[WM8915_NUM_SUPPLIES]; struct notifier_block disable_nb[WM8915_NUM_SUPPLIES]; struct wm8915_pdata pdata; int rx_rate[WM8915_AIFS]; /* Platform dependant ReTune mobile configuration */ int num_retune_mobile_texts; const char **retune_mobile_texts; int retune_mobile_cfg[2]; struct soc_enum retune_mobile_enum; struct snd_soc_jack *jack; bool detecting; bool jack_mic; wm8915_polarity_fn polarity_cb; #ifdef CONFIG_GPIOLIB struct gpio_chip gpio_chip; #endif }; /* We can't use the same notifier block for more than one supply and * there's no way I can see to get from a callback to the caller * except container_of(). */ #define WM8915_REGULATOR_EVENT(n) \ static int wm8915_regulator_event_##n(struct notifier_block *nb, \ unsigned long event, void *data) \ { \ struct wm8915_priv *wm8915 = container_of(nb, struct wm8915_priv, \ disable_nb[n]); \ if (event & REGULATOR_EVENT_DISABLE) { \ wm8915->codec->cache_sync = 1; \ } \ return 0; \ } WM8915_REGULATOR_EVENT(0) WM8915_REGULATOR_EVENT(1) WM8915_REGULATOR_EVENT(2) WM8915_REGULATOR_EVENT(3) WM8915_REGULATOR_EVENT(4) WM8915_REGULATOR_EVENT(5) static const u16 wm8915_reg[WM8915_MAX_REGISTER] = { [WM8915_SOFTWARE_RESET] = 0x8915, [WM8915_POWER_MANAGEMENT_7] = 0x10, [WM8915_DAC1_HPOUT1_VOLUME] = 0x88, [WM8915_DAC2_HPOUT2_VOLUME] = 0x88, [WM8915_DAC1_LEFT_VOLUME] = 0x2c0, [WM8915_DAC1_RIGHT_VOLUME] = 0x2c0, [WM8915_DAC2_LEFT_VOLUME] = 0x2c0, [WM8915_DAC2_RIGHT_VOLUME] = 0x2c0, [WM8915_OUTPUT1_LEFT_VOLUME] = 0x80, [WM8915_OUTPUT1_RIGHT_VOLUME] = 0x80, [WM8915_OUTPUT2_LEFT_VOLUME] = 0x80, [WM8915_OUTPUT2_RIGHT_VOLUME] = 0x80, [WM8915_MICBIAS_1] = 0x39, [WM8915_MICBIAS_2] = 0x39, [WM8915_LDO_1] = 0x3, [WM8915_LDO_2] = 0x13, [WM8915_ACCESSORY_DETECT_MODE_1] = 0x4, [WM8915_HEADPHONE_DETECT_1] = 0x20, [WM8915_MIC_DETECT_1] = 0x7600, [WM8915_MIC_DETECT_2] = 0xbf, [WM8915_CHARGE_PUMP_1] = 0x1f25, [WM8915_CHARGE_PUMP_2] = 0xab19, [WM8915_DC_SERVO_5] = 0x2a2a, [WM8915_CONTROL_INTERFACE_1] = 0x8004, [WM8915_CLOCKING_1] = 0x10, [WM8915_AIF_RATE] = 0x83, [WM8915_FLL_CONTROL_4] = 0x5dc0, [WM8915_FLL_CONTROL_5] = 0xc84, [WM8915_FLL_EFS_2] = 0x2, [WM8915_AIF1_TX_LRCLK_1] = 0x80, [WM8915_AIF1_TX_LRCLK_2] = 0x8, [WM8915_AIF1_RX_LRCLK_1] = 0x80, [WM8915_AIF1TX_DATA_CONFIGURATION_1] = 0x1818, [WM8915_AIF1RX_DATA_CONFIGURATION] = 0x1818, [WM8915_AIF1TX_TEST] = 0x7, [WM8915_AIF2_TX_LRCLK_1] = 0x80, [WM8915_AIF2_TX_LRCLK_2] = 0x8, [WM8915_AIF2_RX_LRCLK_1] = 0x80, [WM8915_AIF2TX_DATA_CONFIGURATION_1] = 0x1818, [WM8915_AIF2RX_DATA_CONFIGURATION] = 0x1818, [WM8915_AIF2TX_TEST] = 0x1, [WM8915_DSP1_TX_LEFT_VOLUME] = 0xc0, [WM8915_DSP1_TX_RIGHT_VOLUME] = 0xc0, [WM8915_DSP1_RX_LEFT_VOLUME] = 0xc0, [WM8915_DSP1_RX_RIGHT_VOLUME] = 0xc0, [WM8915_DSP1_TX_FILTERS] = 0x2000, [WM8915_DSP1_RX_FILTERS_1] = 0x200, [WM8915_DSP1_RX_FILTERS_2] = 0x10, [WM8915_DSP1_DRC_1] = 0x98, [WM8915_DSP1_DRC_2] = 0x845, [WM8915_DSP1_RX_EQ_GAINS_1] = 0x6318, [WM8915_DSP1_RX_EQ_GAINS_2] = 0x6300, [WM8915_DSP1_RX_EQ_BAND_1_A] = 0xfca, [WM8915_DSP1_RX_EQ_BAND_1_B] = 0x400, [WM8915_DSP1_RX_EQ_BAND_1_PG] = 0xd8, [WM8915_DSP1_RX_EQ_BAND_2_A] = 0x1eb5, [WM8915_DSP1_RX_EQ_BAND_2_B] = 0xf145, [WM8915_DSP1_RX_EQ_BAND_2_C] = 0xb75, [WM8915_DSP1_RX_EQ_BAND_2_PG] = 0x1c5, [WM8915_DSP1_RX_EQ_BAND_3_A] = 0x1c58, [WM8915_DSP1_RX_EQ_BAND_3_B] = 0xf373, [WM8915_DSP1_RX_EQ_BAND_3_C] = 0xa54, [WM8915_DSP1_RX_EQ_BAND_3_PG] = 0x558, [WM8915_DSP1_RX_EQ_BAND_4_A] = 0x168e, [WM8915_DSP1_RX_EQ_BAND_4_B] = 0xf829, [WM8915_DSP1_RX_EQ_BAND_4_C] = 0x7ad, [WM8915_DSP1_RX_EQ_BAND_4_PG] = 0x1103, [WM8915_DSP1_RX_EQ_BAND_5_A] = 0x564, [WM8915_DSP1_RX_EQ_BAND_5_B] = 0x559, [WM8915_DSP1_RX_EQ_BAND_5_PG] = 0x4000, [WM8915_DSP2_TX_LEFT_VOLUME] = 0xc0, [WM8915_DSP2_TX_RIGHT_VOLUME] = 0xc0, [WM8915_DSP2_RX_LEFT_VOLUME] = 0xc0, [WM8915_DSP2_RX_RIGHT_VOLUME] = 0xc0, [WM8915_DSP2_TX_FILTERS] = 0x2000, [WM8915_DSP2_RX_FILTERS_1] = 0x200, [WM8915_DSP2_RX_FILTERS_2] = 0x10, [WM8915_DSP2_DRC_1] = 0x98, [WM8915_DSP2_DRC_2] = 0x845, [WM8915_DSP2_RX_EQ_GAINS_1] = 0x6318, [WM8915_DSP2_RX_EQ_GAINS_2] = 0x6300, [WM8915_DSP2_RX_EQ_BAND_1_A] = 0xfca, [WM8915_DSP2_RX_EQ_BAND_1_B] = 0x400, [WM8915_DSP2_RX_EQ_BAND_1_PG] = 0xd8, [WM8915_DSP2_RX_EQ_BAND_2_A] = 0x1eb5, [WM8915_DSP2_RX_EQ_BAND_2_B] = 0xf145, [WM8915_DSP2_RX_EQ_BAND_2_C] = 0xb75, [WM8915_DSP2_RX_EQ_BAND_2_PG] = 0x1c5, [WM8915_DSP2_RX_EQ_BAND_3_A] = 0x1c58, [WM8915_DSP2_RX_EQ_BAND_3_B] = 0xf373, [WM8915_DSP2_RX_EQ_BAND_3_C] = 0xa54, [WM8915_DSP2_RX_EQ_BAND_3_PG] = 0x558, [WM8915_DSP2_RX_EQ_BAND_4_A] = 0x168e, [WM8915_DSP2_RX_EQ_BAND_4_B] = 0xf829, [WM8915_DSP2_RX_EQ_BAND_4_C] = 0x7ad, [WM8915_DSP2_RX_EQ_BAND_4_PG] = 0x1103, [WM8915_DSP2_RX_EQ_BAND_5_A] = 0x564, [WM8915_DSP2_RX_EQ_BAND_5_B] = 0x559, [WM8915_DSP2_RX_EQ_BAND_5_PG] = 0x4000, [WM8915_OVERSAMPLING] = 0xd, [WM8915_SIDETONE] = 0x1040, [WM8915_GPIO_1] = 0xa101, [WM8915_GPIO_2] = 0xa101, [WM8915_GPIO_3] = 0xa101, [WM8915_GPIO_4] = 0xa101, [WM8915_GPIO_5] = 0xa101, [WM8915_PULL_CONTROL_2] = 0x140, [WM8915_INTERRUPT_STATUS_1_MASK] = 0x1f, [WM8915_INTERRUPT_STATUS_2_MASK] = 0x1ecf, [WM8915_RIGHT_PDM_SPEAKER] = 0x1, [WM8915_PDM_SPEAKER_MUTE_SEQUENCE] = 0x69, [WM8915_PDM_SPEAKER_VOLUME] = 0x66, [WM8915_WRITE_SEQUENCER_0] = 0x1, [WM8915_WRITE_SEQUENCER_1] = 0x1, [WM8915_WRITE_SEQUENCER_3] = 0x6, [WM8915_WRITE_SEQUENCER_4] = 0x40, [WM8915_WRITE_SEQUENCER_5] = 0x1, [WM8915_WRITE_SEQUENCER_6] = 0xf, [WM8915_WRITE_SEQUENCER_7] = 0x6, [WM8915_WRITE_SEQUENCER_8] = 0x1, [WM8915_WRITE_SEQUENCER_9] = 0x3, [WM8915_WRITE_SEQUENCER_10] = 0x104, [WM8915_WRITE_SEQUENCER_12] = 0x60, [WM8915_WRITE_SEQUENCER_13] = 0x11, [WM8915_WRITE_SEQUENCER_14] = 0x401, [WM8915_WRITE_SEQUENCER_16] = 0x50, [WM8915_WRITE_SEQUENCER_17] = 0x3, [WM8915_WRITE_SEQUENCER_18] = 0x100, [WM8915_WRITE_SEQUENCER_20] = 0x51, [WM8915_WRITE_SEQUENCER_21] = 0x3, [WM8915_WRITE_SEQUENCER_22] = 0x104, [WM8915_WRITE_SEQUENCER_23] = 0xa, [WM8915_WRITE_SEQUENCER_24] = 0x60, [WM8915_WRITE_SEQUENCER_25] = 0x3b, [WM8915_WRITE_SEQUENCER_26] = 0x502, [WM8915_WRITE_SEQUENCER_27] = 0x100, [WM8915_WRITE_SEQUENCER_28] = 0x2fff, [WM8915_WRITE_SEQUENCER_32] = 0x2fff, [WM8915_WRITE_SEQUENCER_36] = 0x2fff, [WM8915_WRITE_SEQUENCER_40] = 0x2fff, [WM8915_WRITE_SEQUENCER_44] = 0x2fff, [WM8915_WRITE_SEQUENCER_48] = 0x2fff, [WM8915_WRITE_SEQUENCER_52] = 0x2fff, [WM8915_WRITE_SEQUENCER_56] = 0x2fff, [WM8915_WRITE_SEQUENCER_60] = 0x2fff, [WM8915_WRITE_SEQUENCER_64] = 0x1, [WM8915_WRITE_SEQUENCER_65] = 0x1, [WM8915_WRITE_SEQUENCER_67] = 0x6, [WM8915_WRITE_SEQUENCER_68] = 0x40, [WM8915_WRITE_SEQUENCER_69] = 0x1, [WM8915_WRITE_SEQUENCER_70] = 0xf, [WM8915_WRITE_SEQUENCER_71] = 0x6, [WM8915_WRITE_SEQUENCER_72] = 0x1, [WM8915_WRITE_SEQUENCER_73] = 0x3, [WM8915_WRITE_SEQUENCER_74] = 0x104, [WM8915_WRITE_SEQUENCER_76] = 0x60, [WM8915_WRITE_SEQUENCER_77] = 0x11, [WM8915_WRITE_SEQUENCER_78] = 0x401, [WM8915_WRITE_SEQUENCER_80] = 0x50, [WM8915_WRITE_SEQUENCER_81] = 0x3, [WM8915_WRITE_SEQUENCER_82] = 0x100, [WM8915_WRITE_SEQUENCER_84] = 0x60, [WM8915_WRITE_SEQUENCER_85] = 0x3b, [WM8915_WRITE_SEQUENCER_86] = 0x502, [WM8915_WRITE_SEQUENCER_87] = 0x100, [WM8915_WRITE_SEQUENCER_88] = 0x2fff, [WM8915_WRITE_SEQUENCER_92] = 0x2fff, [WM8915_WRITE_SEQUENCER_96] = 0x2fff, [WM8915_WRITE_SEQUENCER_100] = 0x2fff, [WM8915_WRITE_SEQUENCER_104] = 0x2fff, [WM8915_WRITE_SEQUENCER_108] = 0x2fff, [WM8915_WRITE_SEQUENCER_112] = 0x2fff, [WM8915_WRITE_SEQUENCER_116] = 0x2fff, [WM8915_WRITE_SEQUENCER_120] = 0x2fff, [WM8915_WRITE_SEQUENCER_124] = 0x2fff, [WM8915_WRITE_SEQUENCER_128] = 0x1, [WM8915_WRITE_SEQUENCER_129] = 0x1, [WM8915_WRITE_SEQUENCER_131] = 0x6, [WM8915_WRITE_SEQUENCER_132] = 0x40, [WM8915_WRITE_SEQUENCER_133] = 0x1, [WM8915_WRITE_SEQUENCER_134] = 0xf, [WM8915_WRITE_SEQUENCER_135] = 0x6, [WM8915_WRITE_SEQUENCER_136] = 0x1, [WM8915_WRITE_SEQUENCER_137] = 0x3, [WM8915_WRITE_SEQUENCER_138] = 0x106, [WM8915_WRITE_SEQUENCER_140] = 0x61, [WM8915_WRITE_SEQUENCER_141] = 0x11, [WM8915_WRITE_SEQUENCER_142] = 0x401, [WM8915_WRITE_SEQUENCER_144] = 0x50, [WM8915_WRITE_SEQUENCER_145] = 0x3, [WM8915_WRITE_SEQUENCER_146] = 0x102, [WM8915_WRITE_SEQUENCER_148] = 0x51, [WM8915_WRITE_SEQUENCER_149] = 0x3, [WM8915_WRITE_SEQUENCER_150] = 0x106, [WM8915_WRITE_SEQUENCER_151] = 0xa, [WM8915_WRITE_SEQUENCER_152] = 0x61, [WM8915_WRITE_SEQUENCER_153] = 0x3b, [WM8915_WRITE_SEQUENCER_154] = 0x502, [WM8915_WRITE_SEQUENCER_155] = 0x100, [WM8915_WRITE_SEQUENCER_156] = 0x2fff, [WM8915_WRITE_SEQUENCER_160] = 0x2fff, [WM8915_WRITE_SEQUENCER_164] = 0x2fff, [WM8915_WRITE_SEQUENCER_168] = 0x2fff, [WM8915_WRITE_SEQUENCER_172] = 0x2fff, [WM8915_WRITE_SEQUENCER_176] = 0x2fff, [WM8915_WRITE_SEQUENCER_180] = 0x2fff, [WM8915_WRITE_SEQUENCER_184] = 0x2fff, [WM8915_WRITE_SEQUENCER_188] = 0x2fff, [WM8915_WRITE_SEQUENCER_192] = 0x1, [WM8915_WRITE_SEQUENCER_193] = 0x1, [WM8915_WRITE_SEQUENCER_195] = 0x6, [WM8915_WRITE_SEQUENCER_196] = 0x40, [WM8915_WRITE_SEQUENCER_197] = 0x1, [WM8915_WRITE_SEQUENCER_198] = 0xf, [WM8915_WRITE_SEQUENCER_199] = 0x6, [WM8915_WRITE_SEQUENCER_200] = 0x1, [WM8915_WRITE_SEQUENCER_201] = 0x3, [WM8915_WRITE_SEQUENCER_202] = 0x106, [WM8915_WRITE_SEQUENCER_204] = 0x61, [WM8915_WRITE_SEQUENCER_205] = 0x11, [WM8915_WRITE_SEQUENCER_206] = 0x401, [WM8915_WRITE_SEQUENCER_208] = 0x50, [WM8915_WRITE_SEQUENCER_209] = 0x3, [WM8915_WRITE_SEQUENCER_210] = 0x102, [WM8915_WRITE_SEQUENCER_212] = 0x61, [WM8915_WRITE_SEQUENCER_213] = 0x3b, [WM8915_WRITE_SEQUENCER_214] = 0x502, [WM8915_WRITE_SEQUENCER_215] = 0x100, [WM8915_WRITE_SEQUENCER_216] = 0x2fff, [WM8915_WRITE_SEQUENCER_220] = 0x2fff, [WM8915_WRITE_SEQUENCER_224] = 0x2fff, [WM8915_WRITE_SEQUENCER_228] = 0x2fff, [WM8915_WRITE_SEQUENCER_232] = 0x2fff, [WM8915_WRITE_SEQUENCER_236] = 0x2fff, [WM8915_WRITE_SEQUENCER_240] = 0x2fff, [WM8915_WRITE_SEQUENCER_244] = 0x2fff, [WM8915_WRITE_SEQUENCER_248] = 0x2fff, [WM8915_WRITE_SEQUENCER_252] = 0x2fff, [WM8915_WRITE_SEQUENCER_256] = 0x60, [WM8915_WRITE_SEQUENCER_258] = 0x601, [WM8915_WRITE_SEQUENCER_260] = 0x50, [WM8915_WRITE_SEQUENCER_262] = 0x100, [WM8915_WRITE_SEQUENCER_264] = 0x1, [WM8915_WRITE_SEQUENCER_266] = 0x104, [WM8915_WRITE_SEQUENCER_267] = 0x100, [WM8915_WRITE_SEQUENCER_268] = 0x2fff, [WM8915_WRITE_SEQUENCER_272] = 0x2fff, [WM8915_WRITE_SEQUENCER_276] = 0x2fff, [WM8915_WRITE_SEQUENCER_280] = 0x2fff, [WM8915_WRITE_SEQUENCER_284] = 0x2fff, [WM8915_WRITE_SEQUENCER_288] = 0x2fff, [WM8915_WRITE_SEQUENCER_292] = 0x2fff, [WM8915_WRITE_SEQUENCER_296] = 0x2fff, [WM8915_WRITE_SEQUENCER_300] = 0x2fff, [WM8915_WRITE_SEQUENCER_304] = 0x2fff, [WM8915_WRITE_SEQUENCER_308] = 0x2fff, [WM8915_WRITE_SEQUENCER_312] = 0x2fff, [WM8915_WRITE_SEQUENCER_316] = 0x2fff, [WM8915_WRITE_SEQUENCER_320] = 0x61, [WM8915_WRITE_SEQUENCER_322] = 0x601, [WM8915_WRITE_SEQUENCER_324] = 0x50, [WM8915_WRITE_SEQUENCER_326] = 0x102, [WM8915_WRITE_SEQUENCER_328] = 0x1, [WM8915_WRITE_SEQUENCER_330] = 0x106, [WM8915_WRITE_SEQUENCER_331] = 0x100, [WM8915_WRITE_SEQUENCER_332] = 0x2fff, [WM8915_WRITE_SEQUENCER_336] = 0x2fff, [WM8915_WRITE_SEQUENCER_340] = 0x2fff, [WM8915_WRITE_SEQUENCER_344] = 0x2fff, [WM8915_WRITE_SEQUENCER_348] = 0x2fff, [WM8915_WRITE_SEQUENCER_352] = 0x2fff, [WM8915_WRITE_SEQUENCER_356] = 0x2fff, [WM8915_WRITE_SEQUENCER_360] = 0x2fff, [WM8915_WRITE_SEQUENCER_364] = 0x2fff, [WM8915_WRITE_SEQUENCER_368] = 0x2fff, [WM8915_WRITE_SEQUENCER_372] = 0x2fff, [WM8915_WRITE_SEQUENCER_376] = 0x2fff, [WM8915_WRITE_SEQUENCER_380] = 0x2fff, [WM8915_WRITE_SEQUENCER_384] = 0x60, [WM8915_WRITE_SEQUENCER_386] = 0x601, [WM8915_WRITE_SEQUENCER_388] = 0x61, [WM8915_WRITE_SEQUENCER_390] = 0x601, [WM8915_WRITE_SEQUENCER_392] = 0x50, [WM8915_WRITE_SEQUENCER_394] = 0x300, [WM8915_WRITE_SEQUENCER_396] = 0x1, [WM8915_WRITE_SEQUENCER_398] = 0x304, [WM8915_WRITE_SEQUENCER_400] = 0x40, [WM8915_WRITE_SEQUENCER_402] = 0xf, [WM8915_WRITE_SEQUENCER_404] = 0x1, [WM8915_WRITE_SEQUENCER_407] = 0x100, }; static const DECLARE_TLV_DB_SCALE(inpga_tlv, 0, 100, 0); static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0); static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); static const DECLARE_TLV_DB_SCALE(out_digital_tlv, -1200, 150, 0); static const DECLARE_TLV_DB_SCALE(out_tlv, -900, 75, 0); static const DECLARE_TLV_DB_SCALE(spk_tlv, -900, 150, 0); static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0); static const char *sidetone_hpf_text[] = { "2.9kHz", "1.5kHz", "735Hz", "403Hz", "196Hz", "98Hz", "49Hz" }; static const struct soc_enum sidetone_hpf = SOC_ENUM_SINGLE(WM8915_SIDETONE, 7, 6, sidetone_hpf_text); static const char *hpf_mode_text[] = { "HiFi", "Custom", "Voice" }; static const struct soc_enum dsp1tx_hpf_mode = SOC_ENUM_SINGLE(WM8915_DSP1_TX_FILTERS, 3, 3, hpf_mode_text); static const struct soc_enum dsp2tx_hpf_mode = SOC_ENUM_SINGLE(WM8915_DSP2_TX_FILTERS, 3, 3, hpf_mode_text); static const char *hpf_cutoff_text[] = { "50Hz", "75Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz" }; static const struct soc_enum dsp1tx_hpf_cutoff = SOC_ENUM_SINGLE(WM8915_DSP1_TX_FILTERS, 0, 7, hpf_cutoff_text); static const struct soc_enum dsp2tx_hpf_cutoff = SOC_ENUM_SINGLE(WM8915_DSP2_TX_FILTERS, 0, 7, hpf_cutoff_text); static void wm8915_set_retune_mobile(struct snd_soc_codec *codec, int block) { struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec); struct wm8915_pdata *pdata = &wm8915->pdata; int base, best, best_val, save, i, cfg, iface; if (!wm8915->num_retune_mobile_texts) return; switch (block) { case 0: base = WM8915_DSP1_RX_EQ_GAINS_1; if (snd_soc_read(codec, WM8915_POWER_MANAGEMENT_8) & WM8915_DSP1RX_SRC) iface = 1; else iface = 0; break; case 1: base = WM8915_DSP1_RX_EQ_GAINS_2; if (snd_soc_read(codec, WM8915_POWER_MANAGEMENT_8) & WM8915_DSP2RX_SRC) iface = 1; else iface = 0; break; default: return; } /* Find the version of the currently selected configuration * with the nearest sample rate. */ cfg = wm8915->retune_mobile_cfg[block]; best = 0; best_val = INT_MAX; for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) { if (strcmp(pdata->retune_mobile_cfgs[i].name, wm8915->retune_mobile_texts[cfg]) == 0 && abs(pdata->retune_mobile_cfgs[i].rate - wm8915->rx_rate[iface]) < best_val) { best = i; best_val = abs(pdata->retune_mobile_cfgs[i].rate - wm8915->rx_rate[iface]); } } dev_dbg(codec->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n", block, pdata->retune_mobile_cfgs[best].name, pdata->retune_mobile_cfgs[best].rate, wm8915->rx_rate[iface]); /* The EQ will be disabled while reconfiguring it, remember the * current configuration. */ save = snd_soc_read(codec, base); save &= WM8915_DSP1RX_EQ_ENA; for (i = 0; i < ARRAY_SIZE(pdata->retune_mobile_cfgs[best].regs); i++) snd_soc_update_bits(codec, base + i, 0xffff, pdata->retune_mobile_cfgs[best].regs[i]); snd_soc_update_bits(codec, base, WM8915_DSP1RX_EQ_ENA, save); } /* Icky as hell but saves code duplication */ static int wm8915_get_retune_mobile_block(const char *name) { if (strcmp(name, "DSP1 EQ Mode") == 0) return 0; if (strcmp(name, "DSP2 EQ Mode") == 0) return 1; return -EINVAL; } static int wm8915_put_retune_mobile_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec); struct wm8915_pdata *pdata = &wm8915->pdata; int block = wm8915_get_retune_mobile_block(kcontrol->id.name); int value = ucontrol->value.integer.value[0]; if (block < 0) return block; if (value >= pdata->num_retune_mobile_cfgs) return -EINVAL; wm8915->retune_mobile_cfg[block] = value; wm8915_set_retune_mobile(codec, block); return 0; } static int wm8915_get_retune_mobile_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec); int block = wm8915_get_retune_mobile_block(kcontrol->id.name); ucontrol->value.enumerated.item[0] = wm8915->retune_mobile_cfg[block]; return 0; } static const struct snd_kcontrol_new wm8915_snd_controls[] = { SOC_DOUBLE_R_TLV("Capture Volume", WM8915_LEFT_LINE_INPUT_VOLUME, WM8915_RIGHT_LINE_INPUT_VOLUME, 0, 31, 0, inpga_tlv), SOC_DOUBLE_R("Capture ZC Switch", WM8915_LEFT_LINE_INPUT_VOLUME, WM8915_RIGHT_LINE_INPUT_VOLUME, 5, 1, 0), SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8915_DAC1_MIXER_VOLUMES, 0, 5, 24, 0, sidetone_tlv), SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8915_DAC2_MIXER_VOLUMES, 0, 5, 24, 0, sidetone_tlv), SOC_SINGLE("Sidetone LPF Switch", WM8915_SIDETONE, 12, 1, 0), SOC_ENUM("Sidetone HPF Cut-off", sidetone_hpf), SOC_SINGLE("Sidetone HPF Switch", WM8915_SIDETONE, 6, 1, 0), SOC_DOUBLE_R_TLV("DSP1 Capture Volume", WM8915_DSP1_TX_LEFT_VOLUME, WM8915_DSP1_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv), SOC_DOUBLE_R_TLV("DSP2 Capture Volume", WM8915_DSP2_TX_LEFT_VOLUME, WM8915_DSP2_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv), SOC_SINGLE("DSP1 Capture Notch Filter Switch", WM8915_DSP1_TX_FILTERS, 13, 1, 0), SOC_DOUBLE("DSP1 Capture HPF Switch", WM8915_DSP1_TX_FILTERS, 12, 11, 1, 0), SOC_ENUM("DSP1 Capture HPF Mode", dsp1tx_hpf_mode), SOC_ENUM("DSP1 Capture HPF Cutoff", dsp1tx_hpf_cutoff), SOC_SINGLE("DSP2 Capture Notch Filter Switch", WM8915_DSP2_TX_FILTERS, 13, 1, 0), SOC_DOUBLE("DSP2 Capture HPF Switch", WM8915_DSP2_TX_FILTERS, 12, 11, 1, 0), SOC_ENUM("DSP2 Capture HPF Mode", dsp2tx_hpf_mode), SOC_ENUM("DSP2 Capture HPF Cutoff", dsp2tx_hpf_cutoff), SOC_DOUBLE_R_TLV("DSP1 Playback Volume", WM8915_DSP1_RX_LEFT_VOLUME, WM8915_DSP1_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv), SOC_SINGLE("DSP1 Playback Switch", WM8915_DSP1_RX_FILTERS_1, 9, 1, 1), SOC_DOUBLE_R_TLV("DSP2 Playback Volume", WM8915_DSP2_RX_LEFT_VOLUME, WM8915_DSP2_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv), SOC_SINGLE("DSP2 Playback Switch", WM8915_DSP2_RX_FILTERS_1, 9, 1, 1), SOC_DOUBLE_R_TLV("DAC1 Volume", WM8915_DAC1_LEFT_VOLUME, WM8915_DAC1_RIGHT_VOLUME, 1, 112, 0, digital_tlv), SOC_DOUBLE_R("DAC1 Switch", WM8915_DAC1_LEFT_VOLUME, WM8915_DAC1_RIGHT_VOLUME, 9, 1, 1), SOC_DOUBLE_R_TLV("DAC2 Volume", WM8915_DAC2_LEFT_VOLUME, WM8915_DAC2_RIGHT_VOLUME, 1, 112, 0, digital_tlv), SOC_DOUBLE_R("DAC2 Switch", WM8915_DAC2_LEFT_VOLUME, WM8915_DAC2_RIGHT_VOLUME, 9, 1, 1), SOC_SINGLE("Speaker High Performance Switch", WM8915_OVERSAMPLING, 3, 1, 0), SOC_SINGLE("DMIC High Performance Switch", WM8915_OVERSAMPLING, 2, 1, 0), SOC_SINGLE("ADC High Performance Switch", WM8915_OVERSAMPLING, 1, 1, 0), SOC_SINGLE("DAC High Performance Switch", WM8915_OVERSAMPLING, 0, 1, 0), SOC_SINGLE("DAC Soft Mute Switch", WM8915_DAC_SOFTMUTE, 1, 1, 0), SOC_SINGLE("DAC Slow Soft Mute Switch", WM8915_DAC_SOFTMUTE, 0, 1, 0), SOC_DOUBLE_TLV("Digital Output 1 Volume", WM8915_DAC1_HPOUT1_VOLUME, 0, 4, 8, 0, out_digital_tlv), SOC_DOUBLE_TLV("Digital Output 2 Volume", WM8915_DAC2_HPOUT2_VOLUME, 0, 4, 8, 0, out_digital_tlv), SOC_DOUBLE_R_TLV("Output 1 Volume", WM8915_OUTPUT1_LEFT_VOLUME, WM8915_OUTPUT1_RIGHT_VOLUME, 0, 12, 0, out_tlv), SOC_DOUBLE_R("Output 1 ZC Switch", WM8915_OUTPUT1_LEFT_VOLUME, WM8915_OUTPUT1_RIGHT_VOLUME, 7, 1, 0), SOC_DOUBLE_R_TLV("Output 2 Volume", WM8915_OUTPUT2_LEFT_VOLUME, WM8915_OUTPUT2_RIGHT_VOLUME, 0, 12, 0, out_tlv), SOC_DOUBLE_R("Output 2 ZC Switch", WM8915_OUTPUT2_LEFT_VOLUME, WM8915_OUTPUT2_RIGHT_VOLUME, 7, 1, 0), SOC_DOUBLE_TLV("Speaker Volume", WM8915_PDM_SPEAKER_VOLUME, 0, 4, 8, 0, spk_tlv), SOC_DOUBLE_R("Speaker Switch", WM8915_LEFT_PDM_SPEAKER, WM8915_RIGHT_PDM_SPEAKER, 3, 1, 1), SOC_DOUBLE_R("Speaker ZC Switch", WM8915_LEFT_PDM_SPEAKER, WM8915_RIGHT_PDM_SPEAKER, 2, 1, 0), SOC_SINGLE("DSP1 EQ Switch", WM8915_DSP1_RX_EQ_GAINS_1, 0, 1, 0), SOC_SINGLE("DSP2 EQ Switch", WM8915_DSP2_RX_EQ_GAINS_1, 0, 1, 0), }; static const struct snd_kcontrol_new wm8915_eq_controls[] = { SOC_SINGLE_TLV("DSP1 EQ B1 Volume", WM8915_DSP1_RX_EQ_GAINS_1, 11, 31, 0, eq_tlv), SOC_SINGLE_TLV("DSP1 EQ B2 Volume", WM8915_DSP1_RX_EQ_GAINS_1, 6, 31, 0, eq_tlv), SOC_SINGLE_TLV("DSP1 EQ B3 Volume", WM8915_DSP1_RX_EQ_GAINS_1, 1, 31, 0, eq_tlv), SOC_SINGLE_TLV("DSP1 EQ B4 Volume", WM8915_DSP1_RX_EQ_GAINS_2, 11, 31, 0, eq_tlv), SOC_SINGLE_TLV("DSP1 EQ B5 Volume", WM8915_DSP1_RX_EQ_GAINS_2, 6, 31, 0, eq_tlv), SOC_SINGLE_TLV("DSP2 EQ B1 Volume", WM8915_DSP2_RX_EQ_GAINS_1, 11, 31, 0, eq_tlv), SOC_SINGLE_TLV("DSP2 EQ B2 Volume", WM8915_DSP2_RX_EQ_GAINS_1, 6, 31, 0, eq_tlv), SOC_SINGLE_TLV("DSP2 EQ B3 Volume", WM8915_DSP2_RX_EQ_GAINS_1, 1, 31, 0, eq_tlv), SOC_SINGLE_TLV("DSP2 EQ B4 Volume", WM8915_DSP2_RX_EQ_GAINS_2, 11, 31, 0, eq_tlv), SOC_SINGLE_TLV("DSP2 EQ B5 Volume", WM8915_DSP2_RX_EQ_GAINS_2, 6, 31, 0, eq_tlv), }; static int cp_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { switch (event) { case SND_SOC_DAPM_POST_PMU: msleep(5); break; default: BUG(); return -EINVAL; } return 0; } static int rmv_short_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(w->codec); /* Record which outputs we enabled */ switch (event) { case SND_SOC_DAPM_PRE_PMD: wm8915->hpout_pending &= ~w->shift; break; case SND_SOC_DAPM_PRE_PMU: wm8915->hpout_pending |= w->shift; break; default: BUG(); return -EINVAL; } return 0; } static void wait_for_dc_servo(struct snd_soc_codec *codec, u16 mask) { struct i2c_client *i2c = to_i2c_client(codec->dev); struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec); int i, ret; unsigned long timeout = 200; snd_soc_write(codec, WM8915_DC_SERVO_2, mask); /* Use the interrupt if possible */ do { if (i2c->irq) { timeout = wait_for_completion_timeout(&wm8915->dcs_done, msecs_to_jiffies(200)); if (timeout == 0) dev_err(codec->dev, "DC servo timed out\n"); } else { msleep(1); if (--i) { timeout = 0; break; } } ret = snd_soc_read(codec, WM8915_DC_SERVO_2); dev_dbg(codec->dev, "DC servo state: %x\n", ret); } while (ret & mask); if (timeout == 0) dev_err(codec->dev, "DC servo timed out for %x\n", mask); else dev_dbg(codec->dev, "DC servo complete for %x\n", mask); } static void wm8915_seq_notifier(struct snd_soc_dapm_context *dapm, enum snd_soc_dapm_type event, int subseq) { struct snd_soc_codec *codec = container_of(dapm, struct snd_soc_codec, dapm); struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec); u16 val, mask; /* Complete any pending DC servo starts */ if (wm8915->dcs_pending) { dev_dbg(codec->dev, "Starting DC servo for %x\n", wm8915->dcs_pending); /* Trigger a startup sequence */ wait_for_dc_servo(codec, wm8915->dcs_pending << WM8915_DCS_TRIG_STARTUP_0_SHIFT); wm8915->dcs_pending = 0; } if (wm8915->hpout_pending != wm8915->hpout_ena) { dev_dbg(codec->dev, "Applying RMV_SHORTs %x->%x\n", wm8915->hpout_ena, wm8915->hpout_pending); val = 0; mask = 0; if (wm8915->hpout_pending & HPOUT1L) { val |= WM8915_HPOUT1L_RMV_SHORT; mask |= WM8915_HPOUT1L_RMV_SHORT; } else { mask |= WM8915_HPOUT1L_RMV_SHORT | WM8915_HPOUT1L_OUTP | WM8915_HPOUT1L_DLY; } if (wm8915->hpout_pending & HPOUT1R) { val |= WM8915_HPOUT1R_RMV_SHORT; mask |= WM8915_HPOUT1R_RMV_SHORT; } else { mask |= WM8915_HPOUT1R_RMV_SHORT | WM8915_HPOUT1R_OUTP | WM8915_HPOUT1R_DLY; } snd_soc_update_bits(codec, WM8915_ANALOGUE_HP_1, mask, val); val = 0; mask = 0; if (wm8915->hpout_pending & HPOUT2L) { val |= WM8915_HPOUT2L_RMV_SHORT; mask |= WM8915_HPOUT2L_RMV_SHORT; } else { mask |= WM8915_HPOUT2L_RMV_SHORT | WM8915_HPOUT2L_OUTP | WM8915_HPOUT2L_DLY; } if (wm8915->hpout_pending & HPOUT2R) { val |= WM8915_HPOUT2R_RMV_SHORT; mask |= WM8915_HPOUT2R_RMV_SHORT; } else { mask |= WM8915_HPOUT2R_RMV_SHORT | WM8915_HPOUT2R_OUTP | WM8915_HPOUT2R_DLY; } snd_soc_update_bits(codec, WM8915_ANALOGUE_HP_2, mask, val); wm8915->hpout_ena = wm8915->hpout_pending; } } static int dcs_start(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(w->codec); switch (event) { case SND_SOC_DAPM_POST_PMU: wm8915->dcs_pending |= 1 << w->shift; break; default: BUG(); return -EINVAL; } return 0; } static const char *sidetone_text[] = { "IN1", "IN2", }; static const struct soc_enum left_sidetone_enum = SOC_ENUM_SINGLE(WM8915_SIDETONE, 0, 2, sidetone_text); static const struct snd_kcontrol_new left_sidetone = SOC_DAPM_ENUM("Left Sidetone", left_sidetone_enum); static const struct soc_enum right_sidetone_enum = SOC_ENUM_SINGLE(WM8915_SIDETONE, 1, 2, sidetone_text); static const struct snd_kcontrol_new right_sidetone = SOC_DAPM_ENUM("Right Sidetone", right_sidetone_enum); static const char *spk_text[] = { "DAC1L", "DAC1R", "DAC2L", "DAC2R" }; static const struct soc_enum spkl_enum = SOC_ENUM_SINGLE(WM8915_LEFT_PDM_SPEAKER, 0, 4, spk_text); static const struct snd_kcontrol_new spkl_mux = SOC_DAPM_ENUM("SPKL", spkl_enum); static const struct soc_enum spkr_enum = SOC_ENUM_SINGLE(WM8915_RIGHT_PDM_SPEAKER, 0, 4, spk_text); static const struct snd_kcontrol_new spkr_mux = SOC_DAPM_ENUM("SPKR", spkr_enum); static const char *dsp1rx_text[] = { "AIF1", "AIF2" }; static const struct soc_enum dsp1rx_enum = SOC_ENUM_SINGLE(WM8915_POWER_MANAGEMENT_8, 0, 2, dsp1rx_text); static const struct snd_kcontrol_new dsp1rx = SOC_DAPM_ENUM("DSP1RX", dsp1rx_enum); static const char *dsp2rx_text[] = { "AIF2", "AIF1" }; static const struct soc_enum dsp2rx_enum = SOC_ENUM_SINGLE(WM8915_POWER_MANAGEMENT_8, 4, 2, dsp2rx_text); static const struct snd_kcontrol_new dsp2rx = SOC_DAPM_ENUM("DSP2RX", dsp2rx_enum); static const char *aif2tx_text[] = { "DSP2", "DSP1", "AIF1" }; static const struct soc_enum aif2tx_enum = SOC_ENUM_SINGLE(WM8915_POWER_MANAGEMENT_8, 6, 3, aif2tx_text); static const struct snd_kcontrol_new aif2tx = SOC_DAPM_ENUM("AIF2TX", aif2tx_enum); static const char *inmux_text[] = { "ADC", "DMIC1", "DMIC2" }; static const struct soc_enum in1_enum = SOC_ENUM_SINGLE(WM8915_POWER_MANAGEMENT_7, 0, 3, inmux_text); static const struct snd_kcontrol_new in1_mux = SOC_DAPM_ENUM("IN1 Mux", in1_enum); static const struct soc_enum in2_enum = SOC_ENUM_SINGLE(WM8915_POWER_MANAGEMENT_7, 4, 3, inmux_text); static const struct snd_kcontrol_new in2_mux = SOC_DAPM_ENUM("IN2 Mux", in2_enum); static const struct snd_kcontrol_new dac2r_mix[] = { SOC_DAPM_SINGLE("Right Sidetone Switch", WM8915_DAC2_RIGHT_MIXER_ROUTING, 5, 1, 0), SOC_DAPM_SINGLE("Left Sidetone Switch", WM8915_DAC2_RIGHT_MIXER_ROUTING, 4, 1, 0), SOC_DAPM_SINGLE("DSP2 Switch", WM8915_DAC2_RIGHT_MIXER_ROUTING, 1, 1, 0), SOC_DAPM_SINGLE("DSP1 Switch", WM8915_DAC2_RIGHT_MIXER_ROUTING, 0, 1, 0), }; static const struct snd_kcontrol_new dac2l_mix[] = { SOC_DAPM_SINGLE("Right Sidetone Switch", WM8915_DAC2_LEFT_MIXER_ROUTING, 5, 1, 0), SOC_DAPM_SINGLE("Left Sidetone Switch", WM8915_DAC2_LEFT_MIXER_ROUTING, 4, 1, 0), SOC_DAPM_SINGLE("DSP2 Switch", WM8915_DAC2_LEFT_MIXER_ROUTING, 1, 1, 0), SOC_DAPM_SINGLE("DSP1 Switch", WM8915_DAC2_LEFT_MIXER_ROUTING, 0, 1, 0), }; static const struct snd_kcontrol_new dac1r_mix[] = { SOC_DAPM_SINGLE("Right Sidetone Switch", WM8915_DAC1_RIGHT_MIXER_ROUTING, 5, 1, 0), SOC_DAPM_SINGLE("Left Sidetone Switch", WM8915_DAC1_RIGHT_MIXER_ROUTING, 4, 1, 0), SOC_DAPM_SINGLE("DSP2 Switch", WM8915_DAC1_RIGHT_MIXER_ROUTING, 1, 1, 0), SOC_DAPM_SINGLE("DSP1 Switch", WM8915_DAC1_RIGHT_MIXER_ROUTING, 0, 1, 0), }; static const struct snd_kcontrol_new dac1l_mix[] = { SOC_DAPM_SINGLE("Right Sidetone Switch", WM8915_DAC1_LEFT_MIXER_ROUTING, 5, 1, 0), SOC_DAPM_SINGLE("Left Sidetone Switch", WM8915_DAC1_LEFT_MIXER_ROUTING, 4, 1, 0), SOC_DAPM_SINGLE("DSP2 Switch", WM8915_DAC1_LEFT_MIXER_ROUTING, 1, 1, 0), SOC_DAPM_SINGLE("DSP1 Switch", WM8915_DAC1_LEFT_MIXER_ROUTING, 0, 1, 0), }; static const struct snd_kcontrol_new dsp1txl[] = { SOC_DAPM_SINGLE("IN1 Switch", WM8915_DSP1_TX_LEFT_MIXER_ROUTING, 1, 1, 0), SOC_DAPM_SINGLE("DAC Switch", WM8915_DSP1_TX_LEFT_MIXER_ROUTING, 0, 1, 0), }; static const struct snd_kcontrol_new dsp1txr[] = { SOC_DAPM_SINGLE("IN1 Switch", WM8915_DSP1_TX_RIGHT_MIXER_ROUTING, 1, 1, 0), SOC_DAPM_SINGLE("DAC Switch", WM8915_DSP1_TX_RIGHT_MIXER_ROUTING, 0, 1, 0), }; static const struct snd_kcontrol_new dsp2txl[] = { SOC_DAPM_SINGLE("IN1 Switch", WM8915_DSP2_TX_LEFT_MIXER_ROUTING, 1, 1, 0), SOC_DAPM_SINGLE("DAC Switch", WM8915_DSP2_TX_LEFT_MIXER_ROUTING, 0, 1, 0), }; static const struct snd_kcontrol_new dsp2txr[] = { SOC_DAPM_SINGLE("IN1 Switch", WM8915_DSP2_TX_RIGHT_MIXER_ROUTING, 1, 1, 0), SOC_DAPM_SINGLE("DAC Switch", WM8915_DSP2_TX_RIGHT_MIXER_ROUTING, 0, 1, 0), }; static const struct snd_soc_dapm_widget wm8915_dapm_widgets[] = { SND_SOC_DAPM_INPUT("IN1LN"), SND_SOC_DAPM_INPUT("IN1LP"), SND_SOC_DAPM_INPUT("IN1RN"), SND_SOC_DAPM_INPUT("IN1RP"), SND_SOC_DAPM_INPUT("IN2LN"), SND_SOC_DAPM_INPUT("IN2LP"), SND_SOC_DAPM_INPUT("IN2RN"), SND_SOC_DAPM_INPUT("IN2RP"), SND_SOC_DAPM_INPUT("DMIC1DAT"), SND_SOC_DAPM_INPUT("DMIC2DAT"), SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, WM8915_AIF_CLOCKING_1, 0, 0, NULL, 0), SND_SOC_DAPM_SUPPLY_S("SYSDSPCLK", 2, WM8915_CLOCKING_1, 1, 0, NULL, 0), SND_SOC_DAPM_SUPPLY_S("AIFCLK", 2, WM8915_CLOCKING_1, 2, 0, NULL, 0), SND_SOC_DAPM_SUPPLY_S("Charge Pump", 2, WM8915_CHARGE_PUMP_1, 15, 0, cp_event, SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_SUPPLY("LDO2", WM8915_POWER_MANAGEMENT_2, 1, 0, NULL, 0), SND_SOC_DAPM_MICBIAS("MICB2", WM8915_POWER_MANAGEMENT_1, 9, 0), SND_SOC_DAPM_MICBIAS("MICB1", WM8915_POWER_MANAGEMENT_1, 8, 0), SND_SOC_DAPM_PGA("IN1L PGA", WM8915_POWER_MANAGEMENT_2, 5, 0, NULL, 0), SND_SOC_DAPM_PGA("IN1R PGA", WM8915_POWER_MANAGEMENT_2, 4, 0, NULL, 0), SND_SOC_DAPM_PGA("ADC", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MUX("IN1 Mux", SND_SOC_NOPM, 0, 0, &in1_mux), SND_SOC_DAPM_MUX("IN2 Mux", SND_SOC_NOPM, 0, 0, &in2_mux), SND_SOC_DAPM_PGA("IN1L", WM8915_POWER_MANAGEMENT_7, 2, 0, NULL, 0), SND_SOC_DAPM_PGA("IN1R", WM8915_POWER_MANAGEMENT_7, 3, 0, NULL, 0), SND_SOC_DAPM_PGA("IN2L", WM8915_POWER_MANAGEMENT_7, 6, 0, NULL, 0), SND_SOC_DAPM_PGA("IN2R", WM8915_POWER_MANAGEMENT_7, 7, 0, NULL, 0), /* FIXME - these need to be concentrator widgets */ SND_SOC_DAPM_SUPPLY("DMIC2", WM8915_POWER_MANAGEMENT_7, 9, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("DMIC1", WM8915_POWER_MANAGEMENT_7, 8, 0, NULL, 0), SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8915_POWER_MANAGEMENT_3, 5, 0), SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8915_POWER_MANAGEMENT_3, 4, 0), SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8915_POWER_MANAGEMENT_3, 3, 0), SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8915_POWER_MANAGEMENT_3, 2, 0), SND_SOC_DAPM_ADC("ADCL", NULL, WM8915_POWER_MANAGEMENT_3, 1, 0), SND_SOC_DAPM_ADC("ADCR", NULL, WM8915_POWER_MANAGEMENT_3, 0, 0), SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &left_sidetone), SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &right_sidetone), SND_SOC_DAPM_AIF_IN("DSP2RXL", NULL, 0, WM8915_POWER_MANAGEMENT_3, 11, 0), SND_SOC_DAPM_AIF_IN("DSP2RXR", NULL, 1, WM8915_POWER_MANAGEMENT_3, 10, 0), SND_SOC_DAPM_AIF_IN("DSP1RXL", NULL, 0, WM8915_POWER_MANAGEMENT_3, 9, 0), SND_SOC_DAPM_AIF_IN("DSP1RXR", NULL, 1, WM8915_POWER_MANAGEMENT_3, 8, 0), SND_SOC_DAPM_MIXER("DSP2TXL", WM8915_POWER_MANAGEMENT_5, 11, 0, dsp2txl, ARRAY_SIZE(dsp2txl)), SND_SOC_DAPM_MIXER("DSP2TXR", WM8915_POWER_MANAGEMENT_5, 10, 0, dsp2txr, ARRAY_SIZE(dsp2txr)), SND_SOC_DAPM_MIXER("DSP1TXL", WM8915_POWER_MANAGEMENT_5, 9, 0, dsp1txl, ARRAY_SIZE(dsp1txl)), SND_SOC_DAPM_MIXER("DSP1TXR", WM8915_POWER_MANAGEMENT_5, 8, 0, dsp1txr, ARRAY_SIZE(dsp1txr)), SND_SOC_DAPM_MIXER("DAC2L Mixer", SND_SOC_NOPM, 0, 0, dac2l_mix, ARRAY_SIZE(dac2l_mix)), SND_SOC_DAPM_MIXER("DAC2R Mixer", SND_SOC_NOPM, 0, 0, dac2r_mix, ARRAY_SIZE(dac2r_mix)), SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0, dac1l_mix, ARRAY_SIZE(dac1l_mix)), SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0, dac1r_mix, ARRAY_SIZE(dac1r_mix)), SND_SOC_DAPM_DAC("DAC2L", NULL, WM8915_POWER_MANAGEMENT_5, 3, 0), SND_SOC_DAPM_DAC("DAC2R", NULL, WM8915_POWER_MANAGEMENT_5, 2, 0), SND_SOC_DAPM_DAC("DAC1L", NULL, WM8915_POWER_MANAGEMENT_5, 1, 0), SND_SOC_DAPM_DAC("DAC1R", NULL, WM8915_POWER_MANAGEMENT_5, 0, 0), SND_SOC_DAPM_AIF_IN("AIF2RX1", "AIF2 Playback", 1, WM8915_POWER_MANAGEMENT_4, 9, 0), SND_SOC_DAPM_AIF_IN("AIF2RX0", "AIF2 Playback", 2, WM8915_POWER_MANAGEMENT_4, 8, 0), SND_SOC_DAPM_AIF_IN("AIF2TX1", "AIF2 Capture", 1, WM8915_POWER_MANAGEMENT_6, 9, 0), SND_SOC_DAPM_AIF_IN("AIF2TX0", "AIF2 Capture", 2, WM8915_POWER_MANAGEMENT_6, 8, 0), SND_SOC_DAPM_AIF_IN("AIF1RX5", "AIF1 Playback", 5, WM8915_POWER_MANAGEMENT_4, 5, 0), SND_SOC_DAPM_AIF_IN("AIF1RX4", "AIF1 Playback", 4, WM8915_POWER_MANAGEMENT_4, 4, 0), SND_SOC_DAPM_AIF_IN("AIF1RX3", "AIF1 Playback", 3, WM8915_POWER_MANAGEMENT_4, 3, 0), SND_SOC_DAPM_AIF_IN("AIF1RX2", "AIF1 Playback", 2, WM8915_POWER_MANAGEMENT_4, 2, 0), SND_SOC_DAPM_AIF_IN("AIF1RX1", "AIF1 Playback", 1, WM8915_POWER_MANAGEMENT_4, 1, 0), SND_SOC_DAPM_AIF_IN("AIF1RX0", "AIF1 Playback", 0, WM8915_POWER_MANAGEMENT_4, 0, 0), SND_SOC_DAPM_AIF_OUT("AIF1TX5", "AIF1 Capture", 5, WM8915_POWER_MANAGEMENT_6, 5, 0), SND_SOC_DAPM_AIF_OUT("AIF1TX4", "AIF1 Capture", 4, WM8915_POWER_MANAGEMENT_6, 4, 0), SND_SOC_DAPM_AIF_OUT("AIF1TX3", "AIF1 Capture", 3, WM8915_POWER_MANAGEMENT_6, 3, 0), SND_SOC_DAPM_AIF_OUT("AIF1TX2", "AIF1 Capture", 2, WM8915_POWER_MANAGEMENT_6, 2, 0), SND_SOC_DAPM_AIF_OUT("AIF1TX1", "AIF1 Capture", 1, WM8915_POWER_MANAGEMENT_6, 1, 0), SND_SOC_DAPM_AIF_OUT("AIF1TX0", "AIF1 Capture", 0, WM8915_POWER_MANAGEMENT_6, 0, 0), /* We route as stereo pairs so define some dummy widgets to squash * things down for now. RXA = 0,1, RXB = 2,3 and so on */ SND_SOC_DAPM_PGA("AIF1RXA", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("AIF1RXB", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("AIF1RXC", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("AIF2RX", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("DSP2TX", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MUX("DSP1RX", SND_SOC_NOPM, 0, 0, &dsp1rx), SND_SOC_DAPM_MUX("DSP2RX", SND_SOC_NOPM, 0, 0, &dsp2rx), SND_SOC_DAPM_MUX("AIF2TX", SND_SOC_NOPM, 0, 0, &aif2tx), SND_SOC_DAPM_MUX("SPKL", SND_SOC_NOPM, 0, 0, &spkl_mux), SND_SOC_DAPM_MUX("SPKR", SND_SOC_NOPM, 0, 0, &spkr_mux), SND_SOC_DAPM_PGA("SPKL PGA", WM8915_LEFT_PDM_SPEAKER, 4, 0, NULL, 0), SND_SOC_DAPM_PGA("SPKR PGA", WM8915_RIGHT_PDM_SPEAKER, 4, 0, NULL, 0), SND_SOC_DAPM_PGA_S("HPOUT2L PGA", 0, WM8915_POWER_MANAGEMENT_1, 7, 0, NULL, 0), SND_SOC_DAPM_PGA_S("HPOUT2L_DLY", 1, WM8915_ANALOGUE_HP_2, 5, 0, NULL, 0), SND_SOC_DAPM_PGA_S("HPOUT2L_DCS", 2, WM8915_DC_SERVO_1, 2, 0, dcs_start, SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_PGA_S("HPOUT2L_OUTP", 3, WM8915_ANALOGUE_HP_2, 6, 0, NULL, 0), SND_SOC_DAPM_PGA_S("HPOUT2L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2L, 0, rmv_short_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_PGA_S("HPOUT2R PGA", 0, WM8915_POWER_MANAGEMENT_1, 6, 0,NULL, 0), SND_SOC_DAPM_PGA_S("HPOUT2R_DLY", 1, WM8915_ANALOGUE_HP_2, 1, 0, NULL, 0), SND_SOC_DAPM_PGA_S("HPOUT2R_DCS", 2, WM8915_DC_SERVO_1, 3, 0, dcs_start, SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_PGA_S("HPOUT2R_OUTP", 3, WM8915_ANALOGUE_HP_2, 2, 0, NULL, 0), SND_SOC_DAPM_PGA_S("HPOUT2R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2R, 0, rmv_short_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_PGA_S("HPOUT1L PGA", 0, WM8915_POWER_MANAGEMENT_1, 5, 0, NULL, 0), SND_SOC_DAPM_PGA_S("HPOUT1L_DLY", 1, WM8915_ANALOGUE_HP_1, 5, 0, NULL, 0), SND_SOC_DAPM_PGA_S("HPOUT1L_DCS", 2, WM8915_DC_SERVO_1, 0, 0, dcs_start, SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_PGA_S("HPOUT1L_OUTP", 3, WM8915_ANALOGUE_HP_1, 6, 0, NULL, 0), SND_SOC_DAPM_PGA_S("HPOUT1L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1L, 0, rmv_short_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_PGA_S("HPOUT1R PGA", 0, WM8915_POWER_MANAGEMENT_1, 4, 0, NULL, 0), SND_SOC_DAPM_PGA_S("HPOUT1R_DLY", 1, WM8915_ANALOGUE_HP_1, 1, 0, NULL, 0), SND_SOC_DAPM_PGA_S("HPOUT1R_DCS", 2, WM8915_DC_SERVO_1, 1, 0, dcs_start, SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_PGA_S("HPOUT1R_OUTP", 3, WM8915_ANALOGUE_HP_1, 2, 0, NULL, 0), SND_SOC_DAPM_PGA_S("HPOUT1R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1R, 0, rmv_short_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_OUTPUT("HPOUT1L"), SND_SOC_DAPM_OUTPUT("HPOUT1R"), SND_SOC_DAPM_OUTPUT("HPOUT2L"), SND_SOC_DAPM_OUTPUT("HPOUT2R"), SND_SOC_DAPM_OUTPUT("SPKDAT"), }; static const struct snd_soc_dapm_route wm8915_dapm_routes[] = { { "AIFCLK", NULL, "SYSCLK" }, { "SYSDSPCLK", NULL, "SYSCLK" }, { "Charge Pump", NULL, "SYSCLK" }, { "MICB1", NULL, "LDO2" }, { "MICB2", NULL, "LDO2" }, { "IN1L PGA", NULL, "IN2LN" }, { "IN1L PGA", NULL, "IN2LP" }, { "IN1L PGA", NULL, "IN1LN" }, { "IN1L PGA", NULL, "IN1LP" }, { "IN1R PGA", NULL, "IN2RN" }, { "IN1R PGA", NULL, "IN2RP" }, { "IN1R PGA", NULL, "IN1RN" }, { "IN1R PGA", NULL, "IN1RP" }, { "ADCL", NULL, "IN1L PGA" }, { "ADCR", NULL, "IN1R PGA" }, { "DMIC1L", NULL, "DMIC1DAT" }, { "DMIC1R", NULL, "DMIC1DAT" }, { "DMIC2L", NULL, "DMIC2DAT" }, { "DMIC2R", NULL, "DMIC2DAT" }, { "DMIC2L", NULL, "DMIC2" }, { "DMIC2R", NULL, "DMIC2" }, { "DMIC1L", NULL, "DMIC1" }, { "DMIC1R", NULL, "DMIC1" }, { "ADC", NULL, "ADCL" }, { "ADC", NULL, "ADCR" }, { "IN1 Mux", "ADC", "ADC" }, { "IN1 Mux", "DMIC1", "DMIC1" }, { "IN1 Mux", "DMIC2", "DMIC2" }, { "IN2 Mux", "ADC", "ADC" }, { "IN2 Mux", "DMIC1", "DMIC1" }, { "IN2 Mux", "DMIC2", "DMIC2" }, { "Left Sidetone", "IN1", "IN1 Mux" }, { "Left Sidetone", "IN2", "IN2 Mux" }, { "Right Sidetone", "IN1", "IN1 Mux" }, { "Right Sidetone", "IN2", "IN2 Mux" }, { "DSP1TXL", "IN1 Switch", "IN1 Mux" }, { "DSP1TXR", "IN1 Switch", "IN1 Mux" }, { "DSP2TXL", "IN1 Switch", "IN2 Mux" }, { "DSP2TXR", "IN1 Switch", "IN2 Mux" }, { "AIF1TX0", NULL, "DSP1TXL" }, { "AIF1TX1", NULL, "DSP1TXR" }, { "AIF1TX2", NULL, "DSP2TXL" }, { "AIF1TX3", NULL, "DSP2TXR" }, { "AIF1TX4", NULL, "AIF2RX0" }, { "AIF1TX5", NULL, "AIF2RX1" }, { "AIF1RX0", NULL, "AIFCLK" }, { "AIF1RX1", NULL, "AIFCLK" }, { "AIF1RX2", NULL, "AIFCLK" }, { "AIF1RX3", NULL, "AIFCLK" }, { "AIF1RX4", NULL, "AIFCLK" }, { "AIF1RX5", NULL, "AIFCLK" }, { "AIF2RX0", NULL, "AIFCLK" }, { "AIF2RX1", NULL, "AIFCLK" }, { "DSP1RXL", NULL, "SYSDSPCLK" }, { "DSP1RXR", NULL, "SYSDSPCLK" }, { "DSP2RXL", NULL, "SYSDSPCLK" }, { "DSP2RXR", NULL, "SYSDSPCLK" }, { "DSP1TXL", NULL, "SYSDSPCLK" }, { "DSP1TXR", NULL, "SYSDSPCLK" }, { "DSP2TXL", NULL, "SYSDSPCLK" }, { "DSP2TXR", NULL, "SYSDSPCLK" }, { "AIF1RXA", NULL, "AIF1RX0" }, { "AIF1RXA", NULL, "AIF1RX1" }, { "AIF1RXB", NULL, "AIF1RX2" }, { "AIF1RXB", NULL, "AIF1RX3" }, { "AIF1RXC", NULL, "AIF1RX4" }, { "AIF1RXC", NULL, "AIF1RX5" }, { "AIF2RX", NULL, "AIF2RX0" }, { "AIF2RX", NULL, "AIF2RX1" }, { "AIF2TX", "DSP2", "DSP2TX" }, { "AIF2TX", "DSP1", "DSP1RX" }, { "AIF2TX", "AIF1", "AIF1RXC" }, { "DSP1RXL", NULL, "DSP1RX" }, { "DSP1RXR", NULL, "DSP1RX" }, { "DSP2RXL", NULL, "DSP2RX" }, { "DSP2RXR", NULL, "DSP2RX" }, { "DSP2TX", NULL, "DSP2TXL" }, { "DSP2TX", NULL, "DSP2TXR" }, { "DSP1RX", "AIF1", "AIF1RXA" }, { "DSP1RX", "AIF2", "AIF2RX" }, { "DSP2RX", "AIF1", "AIF1RXB" }, { "DSP2RX", "AIF2", "AIF2RX" }, { "DAC2L Mixer", "DSP2 Switch", "DSP2RXL" }, { "DAC2L Mixer", "DSP1 Switch", "DSP1RXL" }, { "DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" }, { "DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" }, { "DAC2R Mixer", "DSP2 Switch", "DSP2RXR" }, { "DAC2R Mixer", "DSP1 Switch", "DSP1RXR" }, { "DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" }, { "DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" }, { "DAC1L Mixer", "DSP2 Switch", "DSP2RXL" }, { "DAC1L Mixer", "DSP1 Switch", "DSP1RXL" }, { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" }, { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" }, { "DAC1R Mixer", "DSP2 Switch", "DSP2RXR" }, { "DAC1R Mixer", "DSP1 Switch", "DSP1RXR" }, { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" }, { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" }, { "DAC1L", NULL, "DAC1L Mixer" }, { "DAC1R", NULL, "DAC1R Mixer" }, { "DAC2L", NULL, "DAC2L Mixer" }, { "DAC2R", NULL, "DAC2R Mixer" }, { "HPOUT2L PGA", NULL, "Charge Pump" }, { "HPOUT2L PGA", NULL, "DAC2L" }, { "HPOUT2L_DLY", NULL, "HPOUT2L PGA" }, { "HPOUT2L_DCS", NULL, "HPOUT2L_DLY" }, { "HPOUT2L_OUTP", NULL, "HPOUT2L_DCS" }, { "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_OUTP" }, { "HPOUT2R PGA", NULL, "Charge Pump" }, { "HPOUT2R PGA", NULL, "DAC2R" }, { "HPOUT2R_DLY", NULL, "HPOUT2R PGA" }, { "HPOUT2R_DCS", NULL, "HPOUT2R_DLY" }, { "HPOUT2R_OUTP", NULL, "HPOUT2R_DCS" }, { "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_OUTP" }, { "HPOUT1L PGA", NULL, "Charge Pump" }, { "HPOUT1L PGA", NULL, "DAC1L" }, { "HPOUT1L_DLY", NULL, "HPOUT1L PGA" }, { "HPOUT1L_DCS", NULL, "HPOUT1L_DLY" }, { "HPOUT1L_OUTP", NULL, "HPOUT1L_DCS" }, { "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_OUTP" }, { "HPOUT1R PGA", NULL, "Charge Pump" }, { "HPOUT1R PGA", NULL, "DAC1R" }, { "HPOUT1R_DLY", NULL, "HPOUT1R PGA" }, { "HPOUT1R_DCS", NULL, "HPOUT1R_DLY" }, { "HPOUT1R_OUTP", NULL, "HPOUT1R_DCS" }, { "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_OUTP" }, { "HPOUT2L", NULL, "HPOUT2L_RMV_SHORT" }, { "HPOUT2R", NULL, "HPOUT2R_RMV_SHORT" }, { "HPOUT1L", NULL, "HPOUT1L_RMV_SHORT" }, { "HPOUT1R", NULL, "HPOUT1R_RMV_SHORT" }, { "SPKL", "DAC1L", "DAC1L" }, { "SPKL", "DAC1R", "DAC1R" }, { "SPKL", "DAC2L", "DAC2L" }, { "SPKL", "DAC2R", "DAC2R" }, { "SPKR", "DAC1L", "DAC1L" }, { "SPKR", "DAC1R", "DAC1R" }, { "SPKR", "DAC2L", "DAC2L" }, { "SPKR", "DAC2R", "DAC2R" }, { "SPKL PGA", NULL, "SPKL" }, { "SPKR PGA", NULL, "SPKR" }, { "SPKDAT", NULL, "SPKL PGA" }, { "SPKDAT", NULL, "SPKR PGA" }, }; static int wm8915_readable_register(struct snd_soc_codec *codec, unsigned int reg) { /* Due to the sparseness of the register map the compiler * output from an explicit switch statement ends up being much * more efficient than a table. */ switch (reg) { case WM8915_SOFTWARE_RESET: case WM8915_POWER_MANAGEMENT_1: case WM8915_POWER_MANAGEMENT_2: case WM8915_POWER_MANAGEMENT_3: case WM8915_POWER_MANAGEMENT_4: case WM8915_POWER_MANAGEMENT_5: case WM8915_POWER_MANAGEMENT_6: case WM8915_POWER_MANAGEMENT_7: case WM8915_POWER_MANAGEMENT_8: case WM8915_LEFT_LINE_INPUT_VOLUME: case WM8915_RIGHT_LINE_INPUT_VOLUME: case WM8915_LINE_INPUT_CONTROL: case WM8915_DAC1_HPOUT1_VOLUME: case WM8915_DAC2_HPOUT2_VOLUME: case WM8915_DAC1_LEFT_VOLUME: case WM8915_DAC1_RIGHT_VOLUME: case WM8915_DAC2_LEFT_VOLUME: case WM8915_DAC2_RIGHT_VOLUME: case WM8915_OUTPUT1_LEFT_VOLUME: case WM8915_OUTPUT1_RIGHT_VOLUME: case WM8915_OUTPUT2_LEFT_VOLUME: case WM8915_OUTPUT2_RIGHT_VOLUME: case WM8915_MICBIAS_1: case WM8915_MICBIAS_2: case WM8915_LDO_1: case WM8915_LDO_2: case WM8915_ACCESSORY_DETECT_MODE_1: case WM8915_ACCESSORY_DETECT_MODE_2: case WM8915_HEADPHONE_DETECT_1: case WM8915_HEADPHONE_DETECT_2: case WM8915_MIC_DETECT_1: case WM8915_MIC_DETECT_2: case WM8915_MIC_DETECT_3: case WM8915_CHARGE_PUMP_1: case WM8915_CHARGE_PUMP_2: case WM8915_DC_SERVO_1: case WM8915_DC_SERVO_2: case WM8915_DC_SERVO_3: case WM8915_DC_SERVO_5: case WM8915_DC_SERVO_6: case WM8915_DC_SERVO_7: case WM8915_DC_SERVO_READBACK_0: case WM8915_ANALOGUE_HP_1: case WM8915_ANALOGUE_HP_2: case WM8915_CHIP_REVISION: case WM8915_CONTROL_INTERFACE_1: case WM8915_WRITE_SEQUENCER_CTRL_1: case WM8915_WRITE_SEQUENCER_CTRL_2: case WM8915_AIF_CLOCKING_1: case WM8915_AIF_CLOCKING_2: case WM8915_CLOCKING_1: case WM8915_CLOCKING_2: case WM8915_AIF_RATE: case WM8915_FLL_CONTROL_1: case WM8915_FLL_CONTROL_2: case WM8915_FLL_CONTROL_3: case WM8915_FLL_CONTROL_4: case WM8915_FLL_CONTROL_5: case WM8915_FLL_CONTROL_6: case WM8915_FLL_EFS_1: case WM8915_FLL_EFS_2: case WM8915_AIF1_CONTROL: case WM8915_AIF1_BCLK: case WM8915_AIF1_TX_LRCLK_1: case WM8915_AIF1_TX_LRCLK_2: case WM8915_AIF1_RX_LRCLK_1: case WM8915_AIF1_RX_LRCLK_2: case WM8915_AIF1TX_DATA_CONFIGURATION_1: case WM8915_AIF1TX_DATA_CONFIGURATION_2: case WM8915_AIF1RX_DATA_CONFIGURATION: case WM8915_AIF1TX_CHANNEL_0_CONFIGURATION: case WM8915_AIF1TX_CHANNEL_1_CONFIGURATION: case WM8915_AIF1TX_CHANNEL_2_CONFIGURATION: case WM8915_AIF1TX_CHANNEL_3_CONFIGURATION: case WM8915_AIF1TX_CHANNEL_4_CONFIGURATION: case WM8915_AIF1TX_CHANNEL_5_CONFIGURATION: case WM8915_AIF1RX_CHANNEL_0_CONFIGURATION: case WM8915_AIF1RX_CHANNEL_1_CONFIGURATION: case WM8915_AIF1RX_CHANNEL_2_CONFIGURATION: case WM8915_AIF1RX_CHANNEL_3_CONFIGURATION: case WM8915_AIF1RX_CHANNEL_4_CONFIGURATION: case WM8915_AIF1RX_CHANNEL_5_CONFIGURATION: case WM8915_AIF1RX_MONO_CONFIGURATION: case WM8915_AIF1TX_TEST: case WM8915_AIF2_CONTROL: case WM8915_AIF2_BCLK: case WM8915_AIF2_TX_LRCLK_1: case WM8915_AIF2_TX_LRCLK_2: case WM8915_AIF2_RX_LRCLK_1: case WM8915_AIF2_RX_LRCLK_2: case WM8915_AIF2TX_DATA_CONFIGURATION_1: case WM8915_AIF2TX_DATA_CONFIGURATION_2: case WM8915_AIF2RX_DATA_CONFIGURATION: case WM8915_AIF2TX_CHANNEL_0_CONFIGURATION: case WM8915_AIF2TX_CHANNEL_1_CONFIGURATION: case WM8915_AIF2RX_CHANNEL_0_CONFIGURATION: case WM8915_AIF2RX_CHANNEL_1_CONFIGURATION: case WM8915_AIF2RX_MONO_CONFIGURATION: case WM8915_AIF2TX_TEST: case WM8915_DSP1_TX_LEFT_VOLUME: case WM8915_DSP1_TX_RIGHT_VOLUME: case WM8915_DSP1_RX_LEFT_VOLUME: case WM8915_DSP1_RX_RIGHT_VOLUME: case WM8915_DSP1_TX_FILTERS: case WM8915_DSP1_RX_FILTERS_1: case WM8915_DSP1_RX_FILTERS_2: case WM8915_DSP1_DRC_1: case WM8915_DSP1_DRC_2: case WM8915_DSP1_DRC_3: case WM8915_DSP1_DRC_4: case WM8915_DSP1_DRC_5: case WM8915_DSP1_RX_EQ_GAINS_1: case WM8915_DSP1_RX_EQ_GAINS_2: case WM8915_DSP1_RX_EQ_BAND_1_A: case WM8915_DSP1_RX_EQ_BAND_1_B: case WM8915_DSP1_RX_EQ_BAND_1_PG: case WM8915_DSP1_RX_EQ_BAND_2_A: case WM8915_DSP1_RX_EQ_BAND_2_B: case WM8915_DSP1_RX_EQ_BAND_2_C: case WM8915_DSP1_RX_EQ_BAND_2_PG: case WM8915_DSP1_RX_EQ_BAND_3_A: case WM8915_DSP1_RX_EQ_BAND_3_B: case WM8915_DSP1_RX_EQ_BAND_3_C: case WM8915_DSP1_RX_EQ_BAND_3_PG: case WM8915_DSP1_RX_EQ_BAND_4_A: case WM8915_DSP1_RX_EQ_BAND_4_B: case WM8915_DSP1_RX_EQ_BAND_4_C: case WM8915_DSP1_RX_EQ_BAND_4_PG: case WM8915_DSP1_RX_EQ_BAND_5_A: case WM8915_DSP1_RX_EQ_BAND_5_B: case WM8915_DSP1_RX_EQ_BAND_5_PG: case WM8915_DSP2_TX_LEFT_VOLUME: case WM8915_DSP2_TX_RIGHT_VOLUME: case WM8915_DSP2_RX_LEFT_VOLUME: case WM8915_DSP2_RX_RIGHT_VOLUME: case WM8915_DSP2_TX_FILTERS: case WM8915_DSP2_RX_FILTERS_1: case WM8915_DSP2_RX_FILTERS_2: case WM8915_DSP2_DRC_1: case WM8915_DSP2_DRC_2: case WM8915_DSP2_DRC_3: case WM8915_DSP2_DRC_4: case WM8915_DSP2_DRC_5: case WM8915_DSP2_RX_EQ_GAINS_1: case WM8915_DSP2_RX_EQ_GAINS_2: case WM8915_DSP2_RX_EQ_BAND_1_A: case WM8915_DSP2_RX_EQ_BAND_1_B: case WM8915_DSP2_RX_EQ_BAND_1_PG: case WM8915_DSP2_RX_EQ_BAND_2_A: case WM8915_DSP2_RX_EQ_BAND_2_B: case WM8915_DSP2_RX_EQ_BAND_2_C: case WM8915_DSP2_RX_EQ_BAND_2_PG: case WM8915_DSP2_RX_EQ_BAND_3_A: case WM8915_DSP2_RX_EQ_BAND_3_B: case WM8915_DSP2_RX_EQ_BAND_3_C: case WM8915_DSP2_RX_EQ_BAND_3_PG: case WM8915_DSP2_RX_EQ_BAND_4_A: case WM8915_DSP2_RX_EQ_BAND_4_B: case WM8915_DSP2_RX_EQ_BAND_4_C: case WM8915_DSP2_RX_EQ_BAND_4_PG: case WM8915_DSP2_RX_EQ_BAND_5_A: case WM8915_DSP2_RX_EQ_BAND_5_B: case WM8915_DSP2_RX_EQ_BAND_5_PG: case WM8915_DAC1_MIXER_VOLUMES: case WM8915_DAC1_LEFT_MIXER_ROUTING: case WM8915_DAC1_RIGHT_MIXER_ROUTING: case WM8915_DAC2_MIXER_VOLUMES: case WM8915_DAC2_LEFT_MIXER_ROUTING: case WM8915_DAC2_RIGHT_MIXER_ROUTING: case WM8915_DSP1_TX_LEFT_MIXER_ROUTING: case WM8915_DSP1_TX_RIGHT_MIXER_ROUTING: case WM8915_DSP2_TX_LEFT_MIXER_ROUTING: case WM8915_DSP2_TX_RIGHT_MIXER_ROUTING: case WM8915_DSP_TX_MIXER_SELECT: case WM8915_DAC_SOFTMUTE: case WM8915_OVERSAMPLING: case WM8915_SIDETONE: case WM8915_GPIO_1: case WM8915_GPIO_2: case WM8915_GPIO_3: case WM8915_GPIO_4: case WM8915_GPIO_5: case WM8915_PULL_CONTROL_1: case WM8915_PULL_CONTROL_2: case WM8915_INTERRUPT_STATUS_1: case WM8915_INTERRUPT_STATUS_2: case WM8915_INTERRUPT_RAW_STATUS_2: case WM8915_INTERRUPT_STATUS_1_MASK: case WM8915_INTERRUPT_STATUS_2_MASK: case WM8915_INTERRUPT_CONTROL: case WM8915_LEFT_PDM_SPEAKER: case WM8915_RIGHT_PDM_SPEAKER: case WM8915_PDM_SPEAKER_MUTE_SEQUENCE: case WM8915_PDM_SPEAKER_VOLUME: return 1; default: return 0; } } static int wm8915_volatile_register(struct snd_soc_codec *codec, unsigned int reg) { switch (reg) { case WM8915_SOFTWARE_RESET: case WM8915_CHIP_REVISION: case WM8915_LDO_1: case WM8915_LDO_2: case WM8915_INTERRUPT_STATUS_1: case WM8915_INTERRUPT_STATUS_2: case WM8915_INTERRUPT_RAW_STATUS_2: case WM8915_DC_SERVO_READBACK_0: case WM8915_DC_SERVO_2: case WM8915_DC_SERVO_6: case WM8915_DC_SERVO_7: case WM8915_FLL_CONTROL_6: case WM8915_MIC_DETECT_3: case WM8915_HEADPHONE_DETECT_1: case WM8915_HEADPHONE_DETECT_2: return 1; default: return 0; } } static int wm8915_reset(struct snd_soc_codec *codec) { return snd_soc_write(codec, WM8915_SOFTWARE_RESET, 0x8915); } static int wm8915_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec); int ret; switch (level) { case SND_SOC_BIAS_ON: break; case SND_SOC_BIAS_PREPARE: if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY) { snd_soc_update_bits(codec, WM8915_POWER_MANAGEMENT_1, WM8915_BG_ENA, WM8915_BG_ENA); msleep(2); } break; case SND_SOC_BIAS_STANDBY: if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { ret = regulator_bulk_enable(ARRAY_SIZE(wm8915->supplies), wm8915->supplies); if (ret != 0) { dev_err(codec->dev, "Failed to enable supplies: %d\n", ret); return ret; } if (wm8915->pdata.ldo_ena >= 0) { gpio_set_value_cansleep(wm8915->pdata.ldo_ena, 1); msleep(5); } codec->cache_only = false; snd_soc_cache_sync(codec); } snd_soc_update_bits(codec, WM8915_POWER_MANAGEMENT_1, WM8915_BG_ENA, 0); break; case SND_SOC_BIAS_OFF: codec->cache_only = true; if (wm8915->pdata.ldo_ena >= 0) gpio_set_value_cansleep(wm8915->pdata.ldo_ena, 0); regulator_bulk_disable(ARRAY_SIZE(wm8915->supplies), wm8915->supplies); break; } codec->dapm.bias_level = level; return 0; } static int wm8915_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct snd_soc_codec *codec = dai->codec; int aifctrl = 0; int bclk = 0; int lrclk_tx = 0; int lrclk_rx = 0; int aifctrl_reg, bclk_reg, lrclk_tx_reg, lrclk_rx_reg; switch (dai->id) { case 0: aifctrl_reg = WM8915_AIF1_CONTROL; bclk_reg = WM8915_AIF1_BCLK; lrclk_tx_reg = WM8915_AIF1_TX_LRCLK_2; lrclk_rx_reg = WM8915_AIF1_RX_LRCLK_2; break; case 1: aifctrl_reg = WM8915_AIF2_CONTROL; bclk_reg = WM8915_AIF2_BCLK; lrclk_tx_reg = WM8915_AIF2_TX_LRCLK_2; lrclk_rx_reg = WM8915_AIF2_RX_LRCLK_2; break; default: BUG(); return -EINVAL; } switch (fmt & SND_SOC_DAIFMT_INV_MASK) { case SND_SOC_DAIFMT_NB_NF: break; case SND_SOC_DAIFMT_IB_NF: bclk |= WM8915_AIF1_BCLK_INV; break; case SND_SOC_DAIFMT_NB_IF: lrclk_tx |= WM8915_AIF1TX_LRCLK_INV; lrclk_rx |= WM8915_AIF1RX_LRCLK_INV; break; case SND_SOC_DAIFMT_IB_IF: bclk |= WM8915_AIF1_BCLK_INV; lrclk_tx |= WM8915_AIF1TX_LRCLK_INV; lrclk_rx |= WM8915_AIF1RX_LRCLK_INV; break; } switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBS_CFS: break; case SND_SOC_DAIFMT_CBS_CFM: lrclk_tx |= WM8915_AIF1TX_LRCLK_MSTR; lrclk_rx |= WM8915_AIF1RX_LRCLK_MSTR; break; case SND_SOC_DAIFMT_CBM_CFS: bclk |= WM8915_AIF1_BCLK_MSTR; break; case SND_SOC_DAIFMT_CBM_CFM: bclk |= WM8915_AIF1_BCLK_MSTR; lrclk_tx |= WM8915_AIF1TX_LRCLK_MSTR; lrclk_rx |= WM8915_AIF1RX_LRCLK_MSTR; break; default: return -EINVAL; } switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_DSP_A: break; case SND_SOC_DAIFMT_DSP_B: aifctrl |= 1; break; case SND_SOC_DAIFMT_I2S: aifctrl |= 2; break; case SND_SOC_DAIFMT_LEFT_J: aifctrl |= 3; break; default: return -EINVAL; } snd_soc_update_bits(codec, aifctrl_reg, WM8915_AIF1_FMT_MASK, aifctrl); snd_soc_update_bits(codec, bclk_reg, WM8915_AIF1_BCLK_INV | WM8915_AIF1_BCLK_MSTR, bclk); snd_soc_update_bits(codec, lrclk_tx_reg, WM8915_AIF1TX_LRCLK_INV | WM8915_AIF1TX_LRCLK_MSTR, lrclk_tx); snd_soc_update_bits(codec, lrclk_rx_reg, WM8915_AIF1RX_LRCLK_INV | WM8915_AIF1RX_LRCLK_MSTR, lrclk_rx); return 0; } static const int bclk_divs[] = { 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96 }; static const int dsp_divs[] = { 48000, 32000, 16000, 8000 }; static int wm8915_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 wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec); int bits, i, bclk_rate, best, cur_val; int aifdata = 0; int bclk = 0; int lrclk = 0; int dsp = 0; int aifdata_reg, bclk_reg, lrclk_reg, dsp_shift; if (!wm8915->sysclk) { dev_err(codec->dev, "SYSCLK not configured\n"); return -EINVAL; } switch (dai->id) { case 0: if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK || (snd_soc_read(codec, WM8915_GPIO_1)) & WM8915_GP1_FN_MASK) { aifdata_reg = WM8915_AIF1RX_DATA_CONFIGURATION; lrclk_reg = WM8915_AIF1_RX_LRCLK_1; } else { aifdata_reg = WM8915_AIF1TX_DATA_CONFIGURATION_1; lrclk_reg = WM8915_AIF1_TX_LRCLK_1; } bclk_reg = WM8915_AIF1_BCLK; dsp_shift = 0; break; case 1: if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK || (snd_soc_read(codec, WM8915_GPIO_2)) & WM8915_GP2_FN_MASK) { aifdata_reg = WM8915_AIF2RX_DATA_CONFIGURATION; lrclk_reg = WM8915_AIF2_RX_LRCLK_1; } else { aifdata_reg = WM8915_AIF2TX_DATA_CONFIGURATION_1; lrclk_reg = WM8915_AIF2_TX_LRCLK_1; } bclk_reg = WM8915_AIF2_BCLK; dsp_shift = WM8915_DSP2_DIV_SHIFT; break; default: BUG(); return -EINVAL; } bclk_rate = snd_soc_params_to_bclk(params); if (bclk_rate < 0) { dev_err(codec->dev, "Unsupported BCLK rate: %d\n", bclk_rate); return bclk_rate; } /* Needs looking at for TDM */ bits = snd_pcm_format_width(params_format(params)); if (bits < 0) return bits; aifdata |= (bits << WM8915_AIF1TX_WL_SHIFT) | bits; for (i = 0; i < ARRAY_SIZE(dsp_divs); i++) { if (dsp_divs[i] == params_rate(params)) break; } if (i == ARRAY_SIZE(dsp_divs)) { dev_err(codec->dev, "Unsupported sample rate %dHz\n", params_rate(params)); return -EINVAL; } dsp |= i << dsp_shift; /* Pick a divisor for BCLK as close as we can get to ideal */ best = 0; for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) { cur_val = (wm8915->sysclk / bclk_divs[i]) - bclk_rate; if (cur_val < 0) /* BCLK table is sorted */ break; best = i; } bclk_rate = wm8915->sysclk / bclk_divs[best]; dev_dbg(dai->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n", bclk_divs[best], bclk_rate); bclk |= best; lrclk = bclk_rate / params_rate(params); dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n", lrclk, bclk_rate / lrclk); snd_soc_update_bits(codec, aifdata_reg, WM8915_AIF1TX_WL_MASK | WM8915_AIF1TX_SLOT_LEN_MASK, aifdata); snd_soc_update_bits(codec, bclk_reg, WM8915_AIF1_BCLK_DIV_MASK, bclk); snd_soc_update_bits(codec, lrclk_reg, WM8915_AIF1RX_RATE_MASK, lrclk); snd_soc_update_bits(codec, WM8915_AIF_CLOCKING_2, WM8915_DSP1_DIV_SHIFT << dsp_shift, dsp); wm8915->rx_rate[dai->id] = params_rate(params); return 0; } static int wm8915_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { struct snd_soc_codec *codec = dai->codec; struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec); int lfclk = 0; int src; int old; /* Disable SYSCLK while we reconfigure */ old = snd_soc_read(codec, WM8915_AIF_CLOCKING_1); snd_soc_update_bits(codec, WM8915_AIF_CLOCKING_1, WM8915_SYSCLK_ENA, 0); switch (clk_id) { case WM8915_SYSCLK_MCLK1: wm8915->sysclk = freq; src = 0; break; case WM8915_SYSCLK_MCLK2: wm8915->sysclk = freq; src = 1; break; case WM8915_SYSCLK_FLL: wm8915->sysclk = freq; src = 2; break; default: dev_err(codec->dev, "Unsupported clock source %d\n", clk_id); return -EINVAL; } switch (wm8915->sysclk) { case 6144000: snd_soc_update_bits(codec, WM8915_AIF_RATE, WM8915_SYSCLK_RATE, 0); break; case 12288000: snd_soc_update_bits(codec, WM8915_AIF_RATE, WM8915_SYSCLK_RATE, WM8915_SYSCLK_RATE); break; case 32000: case 32768: lfclk = WM8915_LFCLK_ENA; break; default: dev_warn(codec->dev, "Unsupported clock rate %dHz\n", wm8915->sysclk); return -EINVAL; } snd_soc_update_bits(codec, WM8915_AIF_CLOCKING_1, WM8915_SYSCLK_SRC_MASK, src << WM8915_SYSCLK_SRC_SHIFT); snd_soc_update_bits(codec, WM8915_CLOCKING_1, WM8915_LFCLK_ENA, lfclk); snd_soc_update_bits(codec, WM8915_AIF_CLOCKING_1, WM8915_SYSCLK_ENA, old); return 0; } struct _fll_div { u16 fll_fratio; u16 fll_outdiv; u16 fll_refclk_div; u16 fll_loop_gain; u16 fll_ref_freq; u16 n; u16 theta; u16 lambda; }; static struct { unsigned int min; unsigned int max; u16 fll_fratio; int ratio; } fll_fratios[] = { { 0, 64000, 4, 16 }, { 64000, 128000, 3, 8 }, { 128000, 256000, 2, 4 }, { 256000, 1000000, 1, 2 }, { 1000000, 13500000, 0, 1 }, }; static int fll_factors(struct _fll_div *fll_div, unsigned int Fref, unsigned int Fout) { unsigned int target; unsigned int div; unsigned int fratio, gcd_fll; int i; /* Fref must be <=13.5MHz */ div = 1; fll_div->fll_refclk_div = 0; while ((Fref / div) > 13500000) { div *= 2; fll_div->fll_refclk_div++; if (div > 8) { pr_err("Can't scale %dMHz input down to <=13.5MHz\n", Fref); return -EINVAL; } } pr_debug("FLL Fref=%u Fout=%u\n", Fref, Fout); /* Apply the division for our remaining calculations */ Fref /= div; if (Fref >= 3000000) fll_div->fll_loop_gain = 5; else fll_div->fll_loop_gain = 0; if (Fref >= 48000) fll_div->fll_ref_freq = 0; else fll_div->fll_ref_freq = 1; /* Fvco should be 90-100MHz; don't check the upper bound */ div = 2; while (Fout * div < 90000000) { div++; if (div > 64) { pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n", Fout); return -EINVAL; } } target = Fout * div; fll_div->fll_outdiv = div - 1; pr_debug("FLL Fvco=%dHz\n", target); /* Find an appropraite FLL_FRATIO and factor it out of the target */ for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) { if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) { fll_div->fll_fratio = fll_fratios[i].fll_fratio; fratio = fll_fratios[i].ratio; break; } } if (i == ARRAY_SIZE(fll_fratios)) { pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref); return -EINVAL; } fll_div->n = target / (fratio * Fref); if (target % Fref == 0) { fll_div->theta = 0; fll_div->lambda = 0; } else { gcd_fll = gcd(target, fratio * Fref); fll_div->theta = (target - (fll_div->n * fratio * Fref)) / gcd_fll; fll_div->lambda = (fratio * Fref) / gcd_fll; } pr_debug("FLL N=%x THETA=%x LAMBDA=%x\n", fll_div->n, fll_div->theta, fll_div->lambda); pr_debug("FLL_FRATIO=%x FLL_OUTDIV=%x FLL_REFCLK_DIV=%x\n", fll_div->fll_fratio, fll_div->fll_outdiv, fll_div->fll_refclk_div); return 0; } static int wm8915_set_fll(struct snd_soc_codec *codec, int fll_id, int source, unsigned int Fref, unsigned int Fout) { struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec); struct _fll_div fll_div; unsigned long timeout; int ret, reg; /* Any change? */ if (source == wm8915->fll_src && Fref == wm8915->fll_fref && Fout == wm8915->fll_fout) return 0; if (Fout == 0) { dev_dbg(codec->dev, "FLL disabled\n"); wm8915->fll_fref = 0; wm8915->fll_fout = 0; snd_soc_update_bits(codec, WM8915_FLL_CONTROL_1, WM8915_FLL_ENA, 0); return 0; } ret = fll_factors(&fll_div, Fref, Fout); if (ret != 0) return ret; switch (source) { case WM8915_FLL_MCLK1: reg = 0; break; case WM8915_FLL_MCLK2: reg = 1; case WM8915_FLL_DACLRCLK1: reg = 2; break; case WM8915_FLL_BCLK1: reg = 3; break; default: dev_err(codec->dev, "Unknown FLL source %d\n", ret); return -EINVAL; } reg |= fll_div.fll_refclk_div << WM8915_FLL_REFCLK_DIV_SHIFT; reg |= fll_div.fll_ref_freq << WM8915_FLL_REF_FREQ_SHIFT; snd_soc_update_bits(codec, WM8915_FLL_CONTROL_5, WM8915_FLL_REFCLK_DIV_MASK | WM8915_FLL_REF_FREQ | WM8915_FLL_REFCLK_SRC_MASK, reg); reg = 0; if (fll_div.theta || fll_div.lambda) reg |= WM8915_FLL_EFS_ENA | (3 << WM8915_FLL_LFSR_SEL_SHIFT); else reg |= 1 << WM8915_FLL_LFSR_SEL_SHIFT; snd_soc_write(codec, WM8915_FLL_EFS_2, reg); snd_soc_update_bits(codec, WM8915_FLL_CONTROL_2, WM8915_FLL_OUTDIV_MASK | WM8915_FLL_FRATIO_MASK, (fll_div.fll_outdiv << WM8915_FLL_OUTDIV_SHIFT) | (fll_div.fll_fratio)); snd_soc_write(codec, WM8915_FLL_CONTROL_3, fll_div.theta); snd_soc_update_bits(codec, WM8915_FLL_CONTROL_4, WM8915_FLL_N_MASK | WM8915_FLL_LOOP_GAIN_MASK, (fll_div.n << WM8915_FLL_N_SHIFT) | fll_div.fll_loop_gain); snd_soc_write(codec, WM8915_FLL_EFS_1, fll_div.lambda); snd_soc_update_bits(codec, WM8915_FLL_CONTROL_1, WM8915_FLL_ENA, WM8915_FLL_ENA); /* The FLL supports live reconfiguration - kick that in case we were * already enabled. */ snd_soc_write(codec, WM8915_FLL_CONTROL_6, WM8915_FLL_SWITCH_CLK); /* Wait for the FLL to lock, using the interrupt if possible */ if (Fref > 1000000) timeout = usecs_to_jiffies(300); else timeout = msecs_to_jiffies(2); wait_for_completion_timeout(&wm8915->fll_lock, timeout); dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout); wm8915->fll_fref = Fref; wm8915->fll_fout = Fout; wm8915->fll_src = source; return 0; } #ifdef CONFIG_GPIOLIB static inline struct wm8915_priv *gpio_to_wm8915(struct gpio_chip *chip) { return container_of(chip, struct wm8915_priv, gpio_chip); } static void wm8915_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { struct wm8915_priv *wm8915 = gpio_to_wm8915(chip); struct snd_soc_codec *codec = wm8915->codec; snd_soc_update_bits(codec, WM8915_GPIO_1 + offset, WM8915_GP1_LVL, !!value << WM8915_GP1_LVL_SHIFT); } static int wm8915_gpio_direction_out(struct gpio_chip *chip, unsigned offset, int value) { struct wm8915_priv *wm8915 = gpio_to_wm8915(chip); struct snd_soc_codec *codec = wm8915->codec; int val; val = (1 << WM8915_GP1_FN_SHIFT) | (!!value << WM8915_GP1_LVL_SHIFT); return snd_soc_update_bits(codec, WM8915_GPIO_1 + offset, WM8915_GP1_FN_MASK | WM8915_GP1_DIR | WM8915_GP1_LVL, val); } static int wm8915_gpio_get(struct gpio_chip *chip, unsigned offset) { struct wm8915_priv *wm8915 = gpio_to_wm8915(chip); struct snd_soc_codec *codec = wm8915->codec; int ret; ret = snd_soc_read(codec, WM8915_GPIO_1 + offset); if (ret < 0) return ret; return (ret & WM8915_GP1_LVL) != 0; } static int wm8915_gpio_direction_in(struct gpio_chip *chip, unsigned offset) { struct wm8915_priv *wm8915 = gpio_to_wm8915(chip); struct snd_soc_codec *codec = wm8915->codec; return snd_soc_update_bits(codec, WM8915_GPIO_1 + offset, WM8915_GP1_FN_MASK | WM8915_GP1_DIR, (1 << WM8915_GP1_FN_SHIFT) | (1 << WM8915_GP1_DIR_SHIFT)); } static struct gpio_chip wm8915_template_chip = { .label = "wm8915", .owner = THIS_MODULE, .direction_output = wm8915_gpio_direction_out, .set = wm8915_gpio_set, .direction_input = wm8915_gpio_direction_in, .get = wm8915_gpio_get, .can_sleep = 1, }; static void wm8915_init_gpio(struct snd_soc_codec *codec) { struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec); int ret; wm8915->gpio_chip = wm8915_template_chip; wm8915->gpio_chip.ngpio = 5; wm8915->gpio_chip.dev = codec->dev; if (wm8915->pdata.gpio_base) wm8915->gpio_chip.base = wm8915->pdata.gpio_base; else wm8915->gpio_chip.base = -1; ret = gpiochip_add(&wm8915->gpio_chip); if (ret != 0) dev_err(codec->dev, "Failed to add GPIOs: %d\n", ret); } static void wm8915_free_gpio(struct snd_soc_codec *codec) { struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec); int ret; ret = gpiochip_remove(&wm8915->gpio_chip); if (ret != 0) dev_err(codec->dev, "Failed to remove GPIOs: %d\n", ret); } #else static void wm8915_init_gpio(struct snd_soc_codec *codec) { } static void wm8915_free_gpio(struct snd_soc_codec *codec) { } #endif /** * wm8915_detect - Enable default WM8915 jack detection * * The WM8915 has advanced accessory detection support for headsets. * This function provides a default implementation which integrates * the majority of this functionality with minimal user configuration. * * This will detect headset, headphone and short circuit button and * will also detect inverted microphone ground connections and update * the polarity of the connections. */ int wm8915_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack, wm8915_polarity_fn polarity_cb) { struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec); wm8915->jack = jack; wm8915->detecting = true; wm8915->polarity_cb = polarity_cb; if (wm8915->polarity_cb) wm8915->polarity_cb(codec, 0); /* Clear discarge to avoid noise during detection */ snd_soc_update_bits(codec, WM8915_MICBIAS_1, WM8915_MICB1_DISCH, 0); snd_soc_update_bits(codec, WM8915_MICBIAS_2, WM8915_MICB2_DISCH, 0); /* LDO2 powers the microphones, SYSCLK clocks detection */ snd_soc_dapm_force_enable_pin(&codec->dapm, "LDO2"); snd_soc_dapm_force_enable_pin(&codec->dapm, "SYSCLK"); /* We start off just enabling microphone detection - even a * plain headphone will trigger detection. */ snd_soc_update_bits(codec, WM8915_MIC_DETECT_1, WM8915_MICD_ENA, WM8915_MICD_ENA); /* Slowest detection rate, gives debounce for initial detection */ snd_soc_update_bits(codec, WM8915_MIC_DETECT_1, WM8915_MICD_RATE_MASK, WM8915_MICD_RATE_MASK); /* Enable interrupts and we're off */ snd_soc_update_bits(codec, WM8915_INTERRUPT_STATUS_2_MASK, WM8915_IM_MICD_EINT, 0); return 0; } EXPORT_SYMBOL_GPL(wm8915_detect); static void wm8915_micd(struct snd_soc_codec *codec) { struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec); int val, reg; val = snd_soc_read(codec, WM8915_MIC_DETECT_3); dev_dbg(codec->dev, "Microphone event: %x\n", val); if (!(val & WM8915_MICD_VALID)) { dev_warn(codec->dev, "Microphone detection state invalid\n"); return; } /* No accessory, reset everything and report removal */ if (!(val & WM8915_MICD_STS)) { dev_dbg(codec->dev, "Jack removal detected\n"); wm8915->jack_mic = false; wm8915->detecting = true; snd_soc_jack_report(wm8915->jack, 0, SND_JACK_HEADSET | SND_JACK_BTN_0); snd_soc_update_bits(codec, WM8915_MIC_DETECT_1, WM8915_MICD_RATE_MASK, WM8915_MICD_RATE_MASK); return; } /* If the measurement is very high we've got a microphone but * do a little debounce to account for mechanical issues. */ if (val & 0x400) { dev_dbg(codec->dev, "Microphone detected\n"); snd_soc_jack_report(wm8915->jack, SND_JACK_HEADSET, SND_JACK_HEADSET | SND_JACK_BTN_0); wm8915->jack_mic = true; wm8915->detecting = false; } /* If we detected a lower impedence during initial startup * then we probably have the wrong polarity, flip it. Don't * do this for the lowest impedences to speed up detection of * plain headphones. */ if (wm8915->detecting && (val & 0x3f0)) { reg = snd_soc_read(codec, WM8915_ACCESSORY_DETECT_MODE_2); reg ^= WM8915_HPOUT1FB_SRC | WM8915_MICD_SRC | WM8915_MICD_BIAS_SRC; snd_soc_update_bits(codec, WM8915_ACCESSORY_DETECT_MODE_2, WM8915_HPOUT1FB_SRC | WM8915_MICD_SRC | WM8915_MICD_BIAS_SRC, reg); if (wm8915->polarity_cb) wm8915->polarity_cb(codec, (reg & WM8915_MICD_SRC) != 0); dev_dbg(codec->dev, "Set microphone polarity to %d\n", (reg & WM8915_MICD_SRC) != 0); return; } /* Don't distinguish between buttons, just report any low * impedence as BTN_0. */ if (val & 0x3fc) { if (wm8915->jack_mic) { dev_dbg(codec->dev, "Mic button detected\n"); snd_soc_jack_report(wm8915->jack, SND_JACK_HEADSET | SND_JACK_BTN_0, SND_JACK_HEADSET | SND_JACK_BTN_0); } else { dev_dbg(codec->dev, "Headphone detected\n"); snd_soc_jack_report(wm8915->jack, SND_JACK_HEADPHONE, SND_JACK_HEADSET | SND_JACK_BTN_0); wm8915->detecting = false; } } /* Increase poll rate to give better responsiveness for buttons */ if (!wm8915->detecting) snd_soc_update_bits(codec, WM8915_MIC_DETECT_1, WM8915_MICD_RATE_MASK, 5 << WM8915_MICD_RATE_SHIFT); } static irqreturn_t wm8915_irq(int irq, void *data) { struct snd_soc_codec *codec = data; struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec); int irq_val; irq_val = snd_soc_read(codec, WM8915_INTERRUPT_STATUS_2); if (irq_val < 0) { dev_err(codec->dev, "Failed to read IRQ status: %d\n", irq_val); return IRQ_NONE; } irq_val &= ~snd_soc_read(codec, WM8915_INTERRUPT_STATUS_2_MASK); if (irq_val & (WM8915_DCS_DONE_01_EINT | WM8915_DCS_DONE_23_EINT)) { dev_dbg(codec->dev, "DC servo IRQ\n"); complete(&wm8915->dcs_done); } if (irq_val & WM8915_FIFOS_ERR_EINT) dev_err(codec->dev, "Digital core FIFO error\n"); if (irq_val & WM8915_FLL_LOCK_EINT) { dev_dbg(codec->dev, "FLL locked\n"); complete(&wm8915->fll_lock); } if (irq_val & WM8915_MICD_EINT) wm8915_micd(codec); if (irq_val) { snd_soc_write(codec, WM8915_INTERRUPT_STATUS_2, irq_val); return IRQ_HANDLED; } else { return IRQ_NONE; } } static void wm8915_retune_mobile_pdata(struct snd_soc_codec *codec) { struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec); struct wm8915_pdata *pdata = &wm8915->pdata; struct snd_kcontrol_new controls[] = { SOC_ENUM_EXT("DSP1 EQ Mode", wm8915->retune_mobile_enum, wm8915_get_retune_mobile_enum, wm8915_put_retune_mobile_enum), SOC_ENUM_EXT("DSP2 EQ Mode", wm8915->retune_mobile_enum, wm8915_get_retune_mobile_enum, wm8915_put_retune_mobile_enum), }; int ret, i, j; const char **t; /* We need an array of texts for the enum API but the number * of texts is likely to be less than the number of * configurations due to the sample rate dependency of the * configurations. */ wm8915->num_retune_mobile_texts = 0; wm8915->retune_mobile_texts = NULL; for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) { for (j = 0; j < wm8915->num_retune_mobile_texts; j++) { if (strcmp(pdata->retune_mobile_cfgs[i].name, wm8915->retune_mobile_texts[j]) == 0) break; } if (j != wm8915->num_retune_mobile_texts) continue; /* Expand the array... */ t = krealloc(wm8915->retune_mobile_texts, sizeof(char *) * (wm8915->num_retune_mobile_texts + 1), GFP_KERNEL); if (t == NULL) continue; /* ...store the new entry... */ t[wm8915->num_retune_mobile_texts] = pdata->retune_mobile_cfgs[i].name; /* ...and remember the new version. */ wm8915->num_retune_mobile_texts++; wm8915->retune_mobile_texts = t; } dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n", wm8915->num_retune_mobile_texts); wm8915->retune_mobile_enum.max = wm8915->num_retune_mobile_texts; wm8915->retune_mobile_enum.texts = wm8915->retune_mobile_texts; ret = snd_soc_add_controls(codec, controls, ARRAY_SIZE(controls)); if (ret != 0) dev_err(codec->dev, "Failed to add ReTune Mobile controls: %d\n", ret); } static int wm8915_probe(struct snd_soc_codec *codec) { int ret; struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec); struct i2c_client *i2c = to_i2c_client(codec->dev); struct snd_soc_dapm_context *dapm = &codec->dapm; int i, irq_flags; wm8915->codec = codec; init_completion(&wm8915->dcs_done); init_completion(&wm8915->fll_lock); dapm->idle_bias_off = true; dapm->bias_level = SND_SOC_BIAS_OFF; ret = snd_soc_codec_set_cache_io(codec, 16, 16, SND_SOC_I2C); if (ret != 0) { dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); goto err; } for (i = 0; i < ARRAY_SIZE(wm8915->supplies); i++) wm8915->supplies[i].supply = wm8915_supply_names[i]; ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8915->supplies), wm8915->supplies); if (ret != 0) { dev_err(codec->dev, "Failed to request supplies: %d\n", ret); goto err; } wm8915->disable_nb[0].notifier_call = wm8915_regulator_event_0; wm8915->disable_nb[1].notifier_call = wm8915_regulator_event_1; wm8915->disable_nb[2].notifier_call = wm8915_regulator_event_2; wm8915->disable_nb[3].notifier_call = wm8915_regulator_event_3; wm8915->disable_nb[4].notifier_call = wm8915_regulator_event_4; wm8915->disable_nb[5].notifier_call = wm8915_regulator_event_5; /* This should really be moved into the regulator core */ for (i = 0; i < ARRAY_SIZE(wm8915->supplies); i++) { ret = regulator_register_notifier(wm8915->supplies[i].consumer, &wm8915->disable_nb[i]); if (ret != 0) { dev_err(codec->dev, "Failed to register regulator notifier: %d\n", ret); } } ret = regulator_bulk_enable(ARRAY_SIZE(wm8915->supplies), wm8915->supplies); if (ret != 0) { dev_err(codec->dev, "Failed to enable supplies: %d\n", ret); goto err_get; } if (wm8915->pdata.ldo_ena >= 0) { gpio_set_value_cansleep(wm8915->pdata.ldo_ena, 1); msleep(5); } ret = snd_soc_read(codec, WM8915_SOFTWARE_RESET); if (ret < 0) { dev_err(codec->dev, "Failed to read ID register: %d\n", ret); goto err_enable; } if (ret != 0x8915) { dev_err(codec->dev, "Device is not a WM8915, ID %x\n", ret); ret = -EINVAL; goto err_enable; } ret = snd_soc_read(codec, WM8915_CHIP_REVISION); if (ret < 0) { dev_err(codec->dev, "Failed to read device revision: %d\n", ret); goto err_enable; } dev_info(codec->dev, "revision %c\n", (ret & WM8915_CHIP_REV_MASK) + 'A'); if (wm8915->pdata.ldo_ena >= 0) { gpio_set_value_cansleep(wm8915->pdata.ldo_ena, 0); } else { ret = wm8915_reset(codec); if (ret < 0) { dev_err(codec->dev, "Failed to issue reset\n"); goto err_enable; } } codec->cache_only = true; /* Apply platform data settings */ snd_soc_update_bits(codec, WM8915_LINE_INPUT_CONTROL, WM8915_INL_MODE_MASK | WM8915_INR_MODE_MASK, wm8915->pdata.inl_mode << WM8915_INL_MODE_SHIFT | wm8915->pdata.inr_mode); for (i = 0; i < ARRAY_SIZE(wm8915->pdata.gpio_default); i++) { if (!wm8915->pdata.gpio_default[i]) continue; snd_soc_write(codec, WM8915_GPIO_1 + i, wm8915->pdata.gpio_default[i] & 0xffff); } if (wm8915->pdata.spkmute_seq) snd_soc_update_bits(codec, WM8915_PDM_SPEAKER_MUTE_SEQUENCE, WM8915_SPK_MUTE_ENDIAN | WM8915_SPK_MUTE_SEQ1_MASK, wm8915->pdata.spkmute_seq); snd_soc_update_bits(codec, WM8915_ACCESSORY_DETECT_MODE_2, WM8915_MICD_BIAS_SRC | WM8915_HPOUT1FB_SRC | WM8915_MICD_SRC, wm8915->pdata.micdet_def); /* Latch volume update bits */ snd_soc_update_bits(codec, WM8915_LEFT_LINE_INPUT_VOLUME, WM8915_IN1_VU, WM8915_IN1_VU); snd_soc_update_bits(codec, WM8915_RIGHT_LINE_INPUT_VOLUME, WM8915_IN1_VU, WM8915_IN1_VU); snd_soc_update_bits(codec, WM8915_DAC1_LEFT_VOLUME, WM8915_DAC1_VU, WM8915_DAC1_VU); snd_soc_update_bits(codec, WM8915_DAC1_RIGHT_VOLUME, WM8915_DAC1_VU, WM8915_DAC1_VU); snd_soc_update_bits(codec, WM8915_DAC2_LEFT_VOLUME, WM8915_DAC2_VU, WM8915_DAC2_VU); snd_soc_update_bits(codec, WM8915_DAC2_RIGHT_VOLUME, WM8915_DAC2_VU, WM8915_DAC2_VU); snd_soc_update_bits(codec, WM8915_OUTPUT1_LEFT_VOLUME, WM8915_DAC1_VU, WM8915_DAC1_VU); snd_soc_update_bits(codec, WM8915_OUTPUT1_RIGHT_VOLUME, WM8915_DAC1_VU, WM8915_DAC1_VU); snd_soc_update_bits(codec, WM8915_OUTPUT2_LEFT_VOLUME, WM8915_DAC2_VU, WM8915_DAC2_VU); snd_soc_update_bits(codec, WM8915_OUTPUT2_RIGHT_VOLUME, WM8915_DAC2_VU, WM8915_DAC2_VU); snd_soc_update_bits(codec, WM8915_DSP1_TX_LEFT_VOLUME, WM8915_DSP1TX_VU, WM8915_DSP1TX_VU); snd_soc_update_bits(codec, WM8915_DSP1_TX_RIGHT_VOLUME, WM8915_DSP1TX_VU, WM8915_DSP1TX_VU); snd_soc_update_bits(codec, WM8915_DSP2_TX_LEFT_VOLUME, WM8915_DSP2TX_VU, WM8915_DSP2TX_VU); snd_soc_update_bits(codec, WM8915_DSP2_TX_RIGHT_VOLUME, WM8915_DSP2TX_VU, WM8915_DSP2TX_VU); snd_soc_update_bits(codec, WM8915_DSP1_RX_LEFT_VOLUME, WM8915_DSP1RX_VU, WM8915_DSP1RX_VU); snd_soc_update_bits(codec, WM8915_DSP1_RX_RIGHT_VOLUME, WM8915_DSP1RX_VU, WM8915_DSP1RX_VU); snd_soc_update_bits(codec, WM8915_DSP2_RX_LEFT_VOLUME, WM8915_DSP2RX_VU, WM8915_DSP2RX_VU); snd_soc_update_bits(codec, WM8915_DSP2_RX_RIGHT_VOLUME, WM8915_DSP2RX_VU, WM8915_DSP2RX_VU); /* No support currently for the underclocked TDM modes and * pick a default TDM layout with each channel pair working with * slots 0 and 1. */ snd_soc_update_bits(codec, WM8915_AIF1RX_CHANNEL_0_CONFIGURATION, WM8915_AIF1RX_CHAN0_SLOTS_MASK | WM8915_AIF1RX_CHAN0_START_SLOT_MASK, 1 << WM8915_AIF1RX_CHAN0_SLOTS_SHIFT | 0); snd_soc_update_bits(codec, WM8915_AIF1RX_CHANNEL_1_CONFIGURATION, WM8915_AIF1RX_CHAN1_SLOTS_MASK | WM8915_AIF1RX_CHAN1_START_SLOT_MASK, 1 << WM8915_AIF1RX_CHAN1_SLOTS_SHIFT | 1); snd_soc_update_bits(codec, WM8915_AIF1RX_CHANNEL_2_CONFIGURATION, WM8915_AIF1RX_CHAN2_SLOTS_MASK | WM8915_AIF1RX_CHAN2_START_SLOT_MASK, 1 << WM8915_AIF1RX_CHAN2_SLOTS_SHIFT | 0); snd_soc_update_bits(codec, WM8915_AIF1RX_CHANNEL_3_CONFIGURATION, WM8915_AIF1RX_CHAN3_SLOTS_MASK | WM8915_AIF1RX_CHAN0_START_SLOT_MASK, 1 << WM8915_AIF1RX_CHAN3_SLOTS_SHIFT | 1); snd_soc_update_bits(codec, WM8915_AIF1RX_CHANNEL_4_CONFIGURATION, WM8915_AIF1RX_CHAN4_SLOTS_MASK | WM8915_AIF1RX_CHAN0_START_SLOT_MASK, 1 << WM8915_AIF1RX_CHAN4_SLOTS_SHIFT | 0); snd_soc_update_bits(codec, WM8915_AIF1RX_CHANNEL_5_CONFIGURATION, WM8915_AIF1RX_CHAN5_SLOTS_MASK | WM8915_AIF1RX_CHAN0_START_SLOT_MASK, 1 << WM8915_AIF1RX_CHAN5_SLOTS_SHIFT | 1); snd_soc_update_bits(codec, WM8915_AIF2RX_CHANNEL_0_CONFIGURATION, WM8915_AIF2RX_CHAN0_SLOTS_MASK | WM8915_AIF2RX_CHAN0_START_SLOT_MASK, 1 << WM8915_AIF2RX_CHAN0_SLOTS_SHIFT | 0); snd_soc_update_bits(codec, WM8915_AIF2RX_CHANNEL_1_CONFIGURATION, WM8915_AIF2RX_CHAN1_SLOTS_MASK | WM8915_AIF2RX_CHAN1_START_SLOT_MASK, 1 << WM8915_AIF2RX_CHAN1_SLOTS_SHIFT | 1); snd_soc_update_bits(codec, WM8915_AIF1TX_CHANNEL_0_CONFIGURATION, WM8915_AIF1TX_CHAN0_SLOTS_MASK | WM8915_AIF1TX_CHAN0_START_SLOT_MASK, 1 << WM8915_AIF1TX_CHAN0_SLOTS_SHIFT | 0); snd_soc_update_bits(codec, WM8915_AIF1TX_CHANNEL_1_CONFIGURATION, WM8915_AIF1TX_CHAN1_SLOTS_MASK | WM8915_AIF1TX_CHAN0_START_SLOT_MASK, 1 << WM8915_AIF1TX_CHAN1_SLOTS_SHIFT | 1); snd_soc_update_bits(codec, WM8915_AIF1TX_CHANNEL_2_CONFIGURATION, WM8915_AIF1TX_CHAN2_SLOTS_MASK | WM8915_AIF1TX_CHAN0_START_SLOT_MASK, 1 << WM8915_AIF1TX_CHAN2_SLOTS_SHIFT | 0); snd_soc_update_bits(codec, WM8915_AIF1TX_CHANNEL_3_CONFIGURATION, WM8915_AIF1TX_CHAN3_SLOTS_MASK | WM8915_AIF1TX_CHAN0_START_SLOT_MASK, 1 << WM8915_AIF1TX_CHAN3_SLOTS_SHIFT | 1); snd_soc_update_bits(codec, WM8915_AIF1TX_CHANNEL_4_CONFIGURATION, WM8915_AIF1TX_CHAN4_SLOTS_MASK | WM8915_AIF1TX_CHAN0_START_SLOT_MASK, 1 << WM8915_AIF1TX_CHAN4_SLOTS_SHIFT | 0); snd_soc_update_bits(codec, WM8915_AIF1TX_CHANNEL_5_CONFIGURATION, WM8915_AIF1TX_CHAN5_SLOTS_MASK | WM8915_AIF1TX_CHAN0_START_SLOT_MASK, 1 << WM8915_AIF1TX_CHAN5_SLOTS_SHIFT | 1); snd_soc_update_bits(codec, WM8915_AIF2TX_CHANNEL_0_CONFIGURATION, WM8915_AIF2TX_CHAN0_SLOTS_MASK | WM8915_AIF2TX_CHAN0_START_SLOT_MASK, 1 << WM8915_AIF2TX_CHAN0_SLOTS_SHIFT | 0); snd_soc_update_bits(codec, WM8915_AIF1TX_CHANNEL_1_CONFIGURATION, WM8915_AIF2TX_CHAN1_SLOTS_MASK | WM8915_AIF2TX_CHAN1_START_SLOT_MASK, 1 << WM8915_AIF1TX_CHAN1_SLOTS_SHIFT | 1); if (wm8915->pdata.num_retune_mobile_cfgs) wm8915_retune_mobile_pdata(codec); else snd_soc_add_controls(codec, wm8915_eq_controls, ARRAY_SIZE(wm8915_eq_controls)); /* If the TX LRCLK pins are not in LRCLK mode configure the * AIFs to source their clocks from the RX LRCLKs. */ if ((snd_soc_read(codec, WM8915_GPIO_1))) snd_soc_update_bits(codec, WM8915_AIF1_TX_LRCLK_2, WM8915_AIF1TX_LRCLK_MODE, WM8915_AIF1TX_LRCLK_MODE); if ((snd_soc_read(codec, WM8915_GPIO_2))) snd_soc_update_bits(codec, WM8915_AIF2_TX_LRCLK_2, WM8915_AIF2TX_LRCLK_MODE, WM8915_AIF2TX_LRCLK_MODE); regulator_bulk_disable(ARRAY_SIZE(wm8915->supplies), wm8915->supplies); wm8915_init_gpio(codec); if (i2c->irq) { if (wm8915->pdata.irq_flags) irq_flags = wm8915->pdata.irq_flags; else irq_flags = IRQF_TRIGGER_LOW; irq_flags |= IRQF_ONESHOT; ret = request_threaded_irq(i2c->irq, NULL, wm8915_irq, irq_flags, "wm8915", codec); if (ret == 0) { /* Unmask the interrupt */ snd_soc_update_bits(codec, WM8915_INTERRUPT_CONTROL, WM8915_IM_IRQ, 0); /* Enable error reporting and DC servo status */ snd_soc_update_bits(codec, WM8915_INTERRUPT_STATUS_2_MASK, WM8915_IM_DCS_DONE_23_EINT | WM8915_IM_DCS_DONE_01_EINT | WM8915_IM_FLL_LOCK_EINT | WM8915_IM_FIFOS_ERR_EINT, 0); } else { dev_err(codec->dev, "Failed to request IRQ: %d\n", ret); } } return 0; err_enable: if (wm8915->pdata.ldo_ena >= 0) gpio_set_value_cansleep(wm8915->pdata.ldo_ena, 0); regulator_bulk_disable(ARRAY_SIZE(wm8915->supplies), wm8915->supplies); err_get: regulator_bulk_free(ARRAY_SIZE(wm8915->supplies), wm8915->supplies); err: return ret; } static int wm8915_remove(struct snd_soc_codec *codec) { struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec); struct i2c_client *i2c = to_i2c_client(codec->dev); int i; snd_soc_update_bits(codec, WM8915_INTERRUPT_CONTROL, WM8915_IM_IRQ, WM8915_IM_IRQ); if (i2c->irq) free_irq(i2c->irq, codec); wm8915_free_gpio(codec); for (i = 0; i < ARRAY_SIZE(wm8915->supplies); i++) regulator_unregister_notifier(wm8915->supplies[i].consumer, &wm8915->disable_nb[i]); regulator_bulk_free(ARRAY_SIZE(wm8915->supplies), wm8915->supplies); return 0; } static struct snd_soc_codec_driver soc_codec_dev_wm8915 = { .probe = wm8915_probe, .remove = wm8915_remove, .set_bias_level = wm8915_set_bias_level, .seq_notifier = wm8915_seq_notifier, .reg_cache_size = WM8915_MAX_REGISTER + 1, .reg_word_size = sizeof(u16), .reg_cache_default = wm8915_reg, .volatile_register = wm8915_volatile_register, .readable_register = wm8915_readable_register, .compress_type = SND_SOC_RBTREE_COMPRESSION, .controls = wm8915_snd_controls, .num_controls = ARRAY_SIZE(wm8915_snd_controls), .dapm_widgets = wm8915_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(wm8915_dapm_widgets), .dapm_routes = wm8915_dapm_routes, .num_dapm_routes = ARRAY_SIZE(wm8915_dapm_routes), .set_pll = wm8915_set_fll, }; #define WM8915_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000) #define WM8915_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\ SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |\ SNDRV_PCM_FMTBIT_S32_LE) static struct snd_soc_dai_ops wm8915_dai_ops = { .set_fmt = wm8915_set_fmt, .hw_params = wm8915_hw_params, .set_sysclk = wm8915_set_sysclk, }; static struct snd_soc_dai_driver wm8915_dai[] = { { .name = "wm8915-aif1", .playback = { .stream_name = "AIF1 Playback", .channels_min = 1, .channels_max = 6, .rates = WM8915_RATES, .formats = WM8915_FORMATS, }, .capture = { .stream_name = "AIF1 Capture", .channels_min = 1, .channels_max = 6, .rates = WM8915_RATES, .formats = WM8915_FORMATS, }, .ops = &wm8915_dai_ops, }, { .name = "wm8915-aif2", .playback = { .stream_name = "AIF2 Playback", .channels_min = 1, .channels_max = 2, .rates = WM8915_RATES, .formats = WM8915_FORMATS, }, .capture = { .stream_name = "AIF2 Capture", .channels_min = 1, .channels_max = 2, .rates = WM8915_RATES, .formats = WM8915_FORMATS, }, .ops = &wm8915_dai_ops, }, }; static __devinit int wm8915_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct wm8915_priv *wm8915; int ret; wm8915 = kzalloc(sizeof(struct wm8915_priv), GFP_KERNEL); if (wm8915 == NULL) return -ENOMEM; i2c_set_clientdata(i2c, wm8915); if (dev_get_platdata(&i2c->dev)) memcpy(&wm8915->pdata, dev_get_platdata(&i2c->dev), sizeof(wm8915->pdata)); if (wm8915->pdata.ldo_ena > 0) { ret = gpio_request_one(wm8915->pdata.ldo_ena, GPIOF_OUT_INIT_LOW, "WM8915 ENA"); if (ret < 0) { dev_err(&i2c->dev, "Failed to request GPIO %d: %d\n", wm8915->pdata.ldo_ena, ret); goto err; } } ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm8915, wm8915_dai, ARRAY_SIZE(wm8915_dai)); if (ret < 0) goto err_gpio; return ret; err_gpio: if (wm8915->pdata.ldo_ena > 0) gpio_free(wm8915->pdata.ldo_ena); err: kfree(wm8915); return ret; } static __devexit int wm8915_i2c_remove(struct i2c_client *client) { struct wm8915_priv *wm8915 = i2c_get_clientdata(client); snd_soc_unregister_codec(&client->dev); if (wm8915->pdata.ldo_ena > 0) gpio_free(wm8915->pdata.ldo_ena); kfree(i2c_get_clientdata(client)); return 0; } static const struct i2c_device_id wm8915_i2c_id[] = { { "wm8915", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, wm8915_i2c_id); static struct i2c_driver wm8915_i2c_driver = { .driver = { .name = "wm8915", .owner = THIS_MODULE, }, .probe = wm8915_i2c_probe, .remove = __devexit_p(wm8915_i2c_remove), .id_table = wm8915_i2c_id, }; static int __init wm8915_modinit(void) { int ret; ret = i2c_add_driver(&wm8915_i2c_driver); if (ret != 0) { printk(KERN_ERR "Failed to register WM8915 I2C driver: %d\n", ret); } return ret; } module_init(wm8915_modinit); static void __exit wm8915_exit(void) { i2c_del_driver(&wm8915_i2c_driver); } module_exit(wm8915_exit); MODULE_DESCRIPTION("ASoC WM8915 driver"); MODULE_AUTHOR("Mark Brown "); MODULE_LICENSE("GPL");