/* * ALSA SoC TLV320AIC3X codec driver * * Author: Vladimir Barinov, * Copyright: (C) 2007 MontaVista Software, Inc., * * Based on sound/soc/codecs/wm8753.c by Liam Girdwood * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * Notes: * The AIC3X is a driver for a low power stereo audio * codecs aic31, aic32, aic33, aic3007. * * It supports full aic33 codec functionality. * The compatibility with aic32, aic31 and aic3007 is as follows: * aic32/aic3007 | aic31 * --------------------------------------- * MONO_LOUT -> N/A | MONO_LOUT -> N/A * | IN1L -> LINE1L * | IN1R -> LINE1R * | IN2L -> LINE2L * | IN2R -> LINE2R * | MIC3L/R -> N/A * truncated internal functionality in * accordance with documentation * --------------------------------------- * * Hence the machine layer should disable unsupported inputs/outputs by * snd_soc_dapm_disable_pin(codec, "MONO_LOUT"), etc. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "tlv320aic3x.h" #define AIC3X_NUM_SUPPLIES 4 static const char *aic3x_supply_names[AIC3X_NUM_SUPPLIES] = { "IOVDD", /* I/O Voltage */ "DVDD", /* Digital Core Voltage */ "AVDD", /* Analog DAC Voltage */ "DRVDD", /* ADC Analog and Output Driver Voltage */ }; static LIST_HEAD(reset_list); struct aic3x_priv; struct aic3x_disable_nb { struct notifier_block nb; struct aic3x_priv *aic3x; }; /* codec private data */ struct aic3x_priv { struct snd_soc_codec *codec; struct regulator_bulk_data supplies[AIC3X_NUM_SUPPLIES]; struct aic3x_disable_nb disable_nb[AIC3X_NUM_SUPPLIES]; enum snd_soc_control_type control_type; struct aic3x_setup_data *setup; unsigned int sysclk; struct list_head list; int master; int gpio_reset; int power; #define AIC3X_MODEL_3X 0 #define AIC3X_MODEL_33 1 #define AIC3X_MODEL_3007 2 u16 model; }; /* * AIC3X register cache * We can't read the AIC3X register space when we are * using 2 wire for device control, so we cache them instead. * There is no point in caching the reset register */ static const u8 aic3x_reg[AIC3X_CACHEREGNUM] = { 0x00, 0x00, 0x00, 0x10, /* 0 */ 0x04, 0x00, 0x00, 0x00, /* 4 */ 0x00, 0x00, 0x00, 0x01, /* 8 */ 0x00, 0x00, 0x00, 0x80, /* 12 */ 0x80, 0xff, 0xff, 0x78, /* 16 */ 0x78, 0x78, 0x78, 0x78, /* 20 */ 0x78, 0x00, 0x00, 0xfe, /* 24 */ 0x00, 0x00, 0xfe, 0x00, /* 28 */ 0x18, 0x18, 0x00, 0x00, /* 32 */ 0x00, 0x00, 0x00, 0x00, /* 36 */ 0x00, 0x00, 0x00, 0x80, /* 40 */ 0x80, 0x00, 0x00, 0x00, /* 44 */ 0x00, 0x00, 0x00, 0x04, /* 48 */ 0x00, 0x00, 0x00, 0x00, /* 52 */ 0x00, 0x00, 0x04, 0x00, /* 56 */ 0x00, 0x00, 0x00, 0x00, /* 60 */ 0x00, 0x04, 0x00, 0x00, /* 64 */ 0x00, 0x00, 0x00, 0x00, /* 68 */ 0x04, 0x00, 0x00, 0x00, /* 72 */ 0x00, 0x00, 0x00, 0x00, /* 76 */ 0x00, 0x00, 0x00, 0x00, /* 80 */ 0x00, 0x00, 0x00, 0x00, /* 84 */ 0x00, 0x00, 0x00, 0x00, /* 88 */ 0x00, 0x00, 0x00, 0x00, /* 92 */ 0x00, 0x00, 0x00, 0x00, /* 96 */ 0x00, 0x00, 0x02, /* 100 */ }; /* * read from the aic3x register space. Only use for this function is if * wanting to read volatile bits from those registers that has both read-only * and read/write bits. All other cases should use snd_soc_read. */ static int aic3x_read(struct snd_soc_codec *codec, unsigned int reg, u8 *value) { u8 *cache = codec->reg_cache; if (codec->cache_only) return -EINVAL; if (reg >= AIC3X_CACHEREGNUM) return -1; codec->cache_bypass = 1; *value = snd_soc_read(codec, reg); codec->cache_bypass = 0; cache[reg] = *value; return 0; } #define SOC_DAPM_SINGLE_AIC3X(xname, reg, shift, mask, invert) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ .info = snd_soc_info_volsw, \ .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw_aic3x, \ .private_value = SOC_SINGLE_VALUE(reg, shift, mask, invert) } /* * All input lines are connected when !0xf and disconnected with 0xf bit field, * so we have to use specific dapm_put call for input mixer */ static int snd_soc_dapm_put_volsw_aic3x(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol); struct snd_soc_dapm_widget *widget = wlist->widgets[0]; struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; unsigned int reg = mc->reg; unsigned int shift = mc->shift; int max = mc->max; unsigned int mask = (1 << fls(max)) - 1; unsigned int invert = mc->invert; unsigned short val, val_mask; int ret; struct snd_soc_dapm_path *path; int found = 0; val = (ucontrol->value.integer.value[0] & mask); mask = 0xf; if (val) val = mask; if (invert) val = mask - val; val_mask = mask << shift; val = val << shift; mutex_lock(&widget->codec->mutex); if (snd_soc_test_bits(widget->codec, reg, val_mask, val)) { /* find dapm widget path assoc with kcontrol */ list_for_each_entry(path, &widget->dapm->card->paths, list) { if (path->kcontrol != kcontrol) continue; /* found, now check type */ found = 1; if (val) /* new connection */ path->connect = invert ? 0 : 1; else /* old connection must be powered down */ path->connect = invert ? 1 : 0; dapm_mark_dirty(path->source, "tlv320aic3x source"); dapm_mark_dirty(path->sink, "tlv320aic3x sink"); break; } if (found) snd_soc_dapm_sync(widget->dapm); } ret = snd_soc_update_bits(widget->codec, reg, val_mask, val); mutex_unlock(&widget->codec->mutex); return ret; } static const char *aic3x_left_dac_mux[] = { "DAC_L1", "DAC_L3", "DAC_L2" }; static const char *aic3x_right_dac_mux[] = { "DAC_R1", "DAC_R3", "DAC_R2" }; static const char *aic3x_left_hpcom_mux[] = { "differential of HPLOUT", "constant VCM", "single-ended" }; static const char *aic3x_right_hpcom_mux[] = { "differential of HPROUT", "constant VCM", "single-ended", "differential of HPLCOM", "external feedback" }; static const char *aic3x_linein_mode_mux[] = { "single-ended", "differential" }; static const char *aic3x_adc_hpf[] = { "Disabled", "0.0045xFs", "0.0125xFs", "0.025xFs" }; #define LDAC_ENUM 0 #define RDAC_ENUM 1 #define LHPCOM_ENUM 2 #define RHPCOM_ENUM 3 #define LINE1L_2_L_ENUM 4 #define LINE1L_2_R_ENUM 5 #define LINE1R_2_L_ENUM 6 #define LINE1R_2_R_ENUM 7 #define LINE2L_ENUM 8 #define LINE2R_ENUM 9 #define ADC_HPF_ENUM 10 static const struct soc_enum aic3x_enum[] = { SOC_ENUM_SINGLE(DAC_LINE_MUX, 6, 3, aic3x_left_dac_mux), SOC_ENUM_SINGLE(DAC_LINE_MUX, 4, 3, aic3x_right_dac_mux), SOC_ENUM_SINGLE(HPLCOM_CFG, 4, 3, aic3x_left_hpcom_mux), SOC_ENUM_SINGLE(HPRCOM_CFG, 3, 5, aic3x_right_hpcom_mux), SOC_ENUM_SINGLE(LINE1L_2_LADC_CTRL, 7, 2, aic3x_linein_mode_mux), SOC_ENUM_SINGLE(LINE1L_2_RADC_CTRL, 7, 2, aic3x_linein_mode_mux), SOC_ENUM_SINGLE(LINE1R_2_LADC_CTRL, 7, 2, aic3x_linein_mode_mux), SOC_ENUM_SINGLE(LINE1R_2_RADC_CTRL, 7, 2, aic3x_linein_mode_mux), SOC_ENUM_SINGLE(LINE2L_2_LADC_CTRL, 7, 2, aic3x_linein_mode_mux), SOC_ENUM_SINGLE(LINE2R_2_RADC_CTRL, 7, 2, aic3x_linein_mode_mux), SOC_ENUM_DOUBLE(AIC3X_CODEC_DFILT_CTRL, 6, 4, 4, aic3x_adc_hpf), }; /* * DAC digital volumes. From -63.5 to 0 dB in 0.5 dB steps */ static DECLARE_TLV_DB_SCALE(dac_tlv, -6350, 50, 0); /* ADC PGA gain volumes. From 0 to 59.5 dB in 0.5 dB steps */ static DECLARE_TLV_DB_SCALE(adc_tlv, 0, 50, 0); /* * Output stage volumes. From -78.3 to 0 dB. Muted below -78.3 dB. * Step size is approximately 0.5 dB over most of the scale but increasing * near the very low levels. * Define dB scale so that it is mostly correct for range about -55 to 0 dB * but having increasing dB difference below that (and where it doesn't count * so much). This setting shows -50 dB (actual is -50.3 dB) for register * value 100 and -58.5 dB (actual is -78.3 dB) for register value 117. */ static DECLARE_TLV_DB_SCALE(output_stage_tlv, -5900, 50, 1); static const struct snd_kcontrol_new aic3x_snd_controls[] = { /* Output */ SOC_DOUBLE_R_TLV("PCM Playback Volume", LDAC_VOL, RDAC_VOL, 0, 0x7f, 1, dac_tlv), /* * Output controls that map to output mixer switches. Note these are * only for swapped L-to-R and R-to-L routes. See below stereo controls * for direct L-to-L and R-to-R routes. */ SOC_SINGLE_TLV("Left Line Mixer Line2R Bypass Volume", LINE2R_2_LLOPM_VOL, 0, 118, 1, output_stage_tlv), SOC_SINGLE_TLV("Left Line Mixer PGAR Bypass Volume", PGAR_2_LLOPM_VOL, 0, 118, 1, output_stage_tlv), SOC_SINGLE_TLV("Left Line Mixer DACR1 Playback Volume", DACR1_2_LLOPM_VOL, 0, 118, 1, output_stage_tlv), SOC_SINGLE_TLV("Right Line Mixer Line2L Bypass Volume", LINE2L_2_RLOPM_VOL, 0, 118, 1, output_stage_tlv), SOC_SINGLE_TLV("Right Line Mixer PGAL Bypass Volume", PGAL_2_RLOPM_VOL, 0, 118, 1, output_stage_tlv), SOC_SINGLE_TLV("Right Line Mixer DACL1 Playback Volume", DACL1_2_RLOPM_VOL, 0, 118, 1, output_stage_tlv), SOC_SINGLE_TLV("Left HP Mixer Line2R Bypass Volume", LINE2R_2_HPLOUT_VOL, 0, 118, 1, output_stage_tlv), SOC_SINGLE_TLV("Left HP Mixer PGAR Bypass Volume", PGAR_2_HPLOUT_VOL, 0, 118, 1, output_stage_tlv), SOC_SINGLE_TLV("Left HP Mixer DACR1 Playback Volume", DACR1_2_HPLOUT_VOL, 0, 118, 1, output_stage_tlv), SOC_SINGLE_TLV("Right HP Mixer Line2L Bypass Volume", LINE2L_2_HPROUT_VOL, 0, 118, 1, output_stage_tlv), SOC_SINGLE_TLV("Right HP Mixer PGAL Bypass Volume", PGAL_2_HPROUT_VOL, 0, 118, 1, output_stage_tlv), SOC_SINGLE_TLV("Right HP Mixer DACL1 Playback Volume", DACL1_2_HPROUT_VOL, 0, 118, 1, output_stage_tlv), SOC_SINGLE_TLV("Left HPCOM Mixer Line2R Bypass Volume", LINE2R_2_HPLCOM_VOL, 0, 118, 1, output_stage_tlv), SOC_SINGLE_TLV("Left HPCOM Mixer PGAR Bypass Volume", PGAR_2_HPLCOM_VOL, 0, 118, 1, output_stage_tlv), SOC_SINGLE_TLV("Left HPCOM Mixer DACR1 Playback Volume", DACR1_2_HPLCOM_VOL, 0, 118, 1, output_stage_tlv), SOC_SINGLE_TLV("Right HPCOM Mixer Line2L Bypass Volume", LINE2L_2_HPRCOM_VOL, 0, 118, 1, output_stage_tlv), SOC_SINGLE_TLV("Right HPCOM Mixer PGAL Bypass Volume", PGAL_2_HPRCOM_VOL, 0, 118, 1, output_stage_tlv), SOC_SINGLE_TLV("Right HPCOM Mixer DACL1 Playback Volume", DACL1_2_HPRCOM_VOL, 0, 118, 1, output_stage_tlv), /* Stereo output controls for direct L-to-L and R-to-R routes */ SOC_DOUBLE_R_TLV("Line Line2 Bypass Volume", LINE2L_2_LLOPM_VOL, LINE2R_2_RLOPM_VOL, 0, 118, 1, output_stage_tlv), SOC_DOUBLE_R_TLV("Line PGA Bypass Volume", PGAL_2_LLOPM_VOL, PGAR_2_RLOPM_VOL, 0, 118, 1, output_stage_tlv), SOC_DOUBLE_R_TLV("Line DAC Playback Volume", DACL1_2_LLOPM_VOL, DACR1_2_RLOPM_VOL, 0, 118, 1, output_stage_tlv), SOC_DOUBLE_R_TLV("Mono Line2 Bypass Volume", LINE2L_2_MONOLOPM_VOL, LINE2R_2_MONOLOPM_VOL, 0, 118, 1, output_stage_tlv), SOC_DOUBLE_R_TLV("Mono PGA Bypass Volume", PGAL_2_MONOLOPM_VOL, PGAR_2_MONOLOPM_VOL, 0, 118, 1, output_stage_tlv), SOC_DOUBLE_R_TLV("Mono DAC Playback Volume", DACL1_2_MONOLOPM_VOL, DACR1_2_MONOLOPM_VOL, 0, 118, 1, output_stage_tlv), SOC_DOUBLE_R_TLV("HP Line2 Bypass Volume", LINE2L_2_HPLOUT_VOL, LINE2R_2_HPROUT_VOL, 0, 118, 1, output_stage_tlv), SOC_DOUBLE_R_TLV("HP PGA Bypass Volume", PGAL_2_HPLOUT_VOL, PGAR_2_HPROUT_VOL, 0, 118, 1, output_stage_tlv), SOC_DOUBLE_R_TLV("HP DAC Playback Volume", DACL1_2_HPLOUT_VOL, DACR1_2_HPROUT_VOL, 0, 118, 1, output_stage_tlv), SOC_DOUBLE_R_TLV("HPCOM Line2 Bypass Volume", LINE2L_2_HPLCOM_VOL, LINE2R_2_HPRCOM_VOL, 0, 118, 1, output_stage_tlv), SOC_DOUBLE_R_TLV("HPCOM PGA Bypass Volume", PGAL_2_HPLCOM_VOL, PGAR_2_HPRCOM_VOL, 0, 118, 1, output_stage_tlv), SOC_DOUBLE_R_TLV("HPCOM DAC Playback Volume", DACL1_2_HPLCOM_VOL, DACR1_2_HPRCOM_VOL, 0, 118, 1, output_stage_tlv), /* Output pin mute controls */ SOC_DOUBLE_R("Line Playback Switch", LLOPM_CTRL, RLOPM_CTRL, 3, 0x01, 0), SOC_SINGLE("Mono Playback Switch", MONOLOPM_CTRL, 3, 0x01, 0), SOC_DOUBLE_R("HP Playback Switch", HPLOUT_CTRL, HPROUT_CTRL, 3, 0x01, 0), SOC_DOUBLE_R("HPCOM Playback Switch", HPLCOM_CTRL, HPRCOM_CTRL, 3, 0x01, 0), /* * Note: enable Automatic input Gain Controller with care. It can * adjust PGA to max value when ADC is on and will never go back. */ SOC_DOUBLE_R("AGC Switch", LAGC_CTRL_A, RAGC_CTRL_A, 7, 0x01, 0), /* Input */ SOC_DOUBLE_R_TLV("PGA Capture Volume", LADC_VOL, RADC_VOL, 0, 119, 0, adc_tlv), SOC_DOUBLE_R("PGA Capture Switch", LADC_VOL, RADC_VOL, 7, 0x01, 1), SOC_ENUM("ADC HPF Cut-off", aic3x_enum[ADC_HPF_ENUM]), }; /* * Class-D amplifier gain. From 0 to 18 dB in 6 dB steps */ static DECLARE_TLV_DB_SCALE(classd_amp_tlv, 0, 600, 0); static const struct snd_kcontrol_new aic3x_classd_amp_gain_ctrl = SOC_DOUBLE_TLV("Class-D Amplifier Gain", CLASSD_CTRL, 6, 4, 3, 0, classd_amp_tlv); /* Left DAC Mux */ static const struct snd_kcontrol_new aic3x_left_dac_mux_controls = SOC_DAPM_ENUM("Route", aic3x_enum[LDAC_ENUM]); /* Right DAC Mux */ static const struct snd_kcontrol_new aic3x_right_dac_mux_controls = SOC_DAPM_ENUM("Route", aic3x_enum[RDAC_ENUM]); /* Left HPCOM Mux */ static const struct snd_kcontrol_new aic3x_left_hpcom_mux_controls = SOC_DAPM_ENUM("Route", aic3x_enum[LHPCOM_ENUM]); /* Right HPCOM Mux */ static const struct snd_kcontrol_new aic3x_right_hpcom_mux_controls = SOC_DAPM_ENUM("Route", aic3x_enum[RHPCOM_ENUM]); /* Left Line Mixer */ static const struct snd_kcontrol_new aic3x_left_line_mixer_controls[] = { SOC_DAPM_SINGLE("Line2L Bypass Switch", LINE2L_2_LLOPM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("PGAL Bypass Switch", PGAL_2_LLOPM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("DACL1 Switch", DACL1_2_LLOPM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("Line2R Bypass Switch", LINE2R_2_LLOPM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("PGAR Bypass Switch", PGAR_2_LLOPM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("DACR1 Switch", DACR1_2_LLOPM_VOL, 7, 1, 0), }; /* Right Line Mixer */ static const struct snd_kcontrol_new aic3x_right_line_mixer_controls[] = { SOC_DAPM_SINGLE("Line2L Bypass Switch", LINE2L_2_RLOPM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("PGAL Bypass Switch", PGAL_2_RLOPM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("DACL1 Switch", DACL1_2_RLOPM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("Line2R Bypass Switch", LINE2R_2_RLOPM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("PGAR Bypass Switch", PGAR_2_RLOPM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("DACR1 Switch", DACR1_2_RLOPM_VOL, 7, 1, 0), }; /* Mono Mixer */ static const struct snd_kcontrol_new aic3x_mono_mixer_controls[] = { SOC_DAPM_SINGLE("Line2L Bypass Switch", LINE2L_2_MONOLOPM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("PGAL Bypass Switch", PGAL_2_MONOLOPM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("DACL1 Switch", DACL1_2_MONOLOPM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("Line2R Bypass Switch", LINE2R_2_MONOLOPM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("PGAR Bypass Switch", PGAR_2_MONOLOPM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("DACR1 Switch", DACR1_2_MONOLOPM_VOL, 7, 1, 0), }; /* Left HP Mixer */ static const struct snd_kcontrol_new aic3x_left_hp_mixer_controls[] = { SOC_DAPM_SINGLE("Line2L Bypass Switch", LINE2L_2_HPLOUT_VOL, 7, 1, 0), SOC_DAPM_SINGLE("PGAL Bypass Switch", PGAL_2_HPLOUT_VOL, 7, 1, 0), SOC_DAPM_SINGLE("DACL1 Switch", DACL1_2_HPLOUT_VOL, 7, 1, 0), SOC_DAPM_SINGLE("Line2R Bypass Switch", LINE2R_2_HPLOUT_VOL, 7, 1, 0), SOC_DAPM_SINGLE("PGAR Bypass Switch", PGAR_2_HPLOUT_VOL, 7, 1, 0), SOC_DAPM_SINGLE("DACR1 Switch", DACR1_2_HPLOUT_VOL, 7, 1, 0), }; /* Right HP Mixer */ static const struct snd_kcontrol_new aic3x_right_hp_mixer_controls[] = { SOC_DAPM_SINGLE("Line2L Bypass Switch", LINE2L_2_HPROUT_VOL, 7, 1, 0), SOC_DAPM_SINGLE("PGAL Bypass Switch", PGAL_2_HPROUT_VOL, 7, 1, 0), SOC_DAPM_SINGLE("DACL1 Switch", DACL1_2_HPROUT_VOL, 7, 1, 0), SOC_DAPM_SINGLE("Line2R Bypass Switch", LINE2R_2_HPROUT_VOL, 7, 1, 0), SOC_DAPM_SINGLE("PGAR Bypass Switch", PGAR_2_HPROUT_VOL, 7, 1, 0), SOC_DAPM_SINGLE("DACR1 Switch", DACR1_2_HPROUT_VOL, 7, 1, 0), }; /* Left HPCOM Mixer */ static const struct snd_kcontrol_new aic3x_left_hpcom_mixer_controls[] = { SOC_DAPM_SINGLE("Line2L Bypass Switch", LINE2L_2_HPLCOM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("PGAL Bypass Switch", PGAL_2_HPLCOM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("DACL1 Switch", DACL1_2_HPLCOM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("Line2R Bypass Switch", LINE2R_2_HPLCOM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("PGAR Bypass Switch", PGAR_2_HPLCOM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("DACR1 Switch", DACR1_2_HPLCOM_VOL, 7, 1, 0), }; /* Right HPCOM Mixer */ static const struct snd_kcontrol_new aic3x_right_hpcom_mixer_controls[] = { SOC_DAPM_SINGLE("Line2L Bypass Switch", LINE2L_2_HPRCOM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("PGAL Bypass Switch", PGAL_2_HPRCOM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("DACL1 Switch", DACL1_2_HPRCOM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("Line2R Bypass Switch", LINE2R_2_HPRCOM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("PGAR Bypass Switch", PGAR_2_HPRCOM_VOL, 7, 1, 0), SOC_DAPM_SINGLE("DACR1 Switch", DACR1_2_HPRCOM_VOL, 7, 1, 0), }; /* Left PGA Mixer */ static const struct snd_kcontrol_new aic3x_left_pga_mixer_controls[] = { SOC_DAPM_SINGLE_AIC3X("Line1L Switch", LINE1L_2_LADC_CTRL, 3, 1, 1), SOC_DAPM_SINGLE_AIC3X("Line1R Switch", LINE1R_2_LADC_CTRL, 3, 1, 1), SOC_DAPM_SINGLE_AIC3X("Line2L Switch", LINE2L_2_LADC_CTRL, 3, 1, 1), SOC_DAPM_SINGLE_AIC3X("Mic3L Switch", MIC3LR_2_LADC_CTRL, 4, 1, 1), SOC_DAPM_SINGLE_AIC3X("Mic3R Switch", MIC3LR_2_LADC_CTRL, 0, 1, 1), }; /* Right PGA Mixer */ static const struct snd_kcontrol_new aic3x_right_pga_mixer_controls[] = { SOC_DAPM_SINGLE_AIC3X("Line1R Switch", LINE1R_2_RADC_CTRL, 3, 1, 1), SOC_DAPM_SINGLE_AIC3X("Line1L Switch", LINE1L_2_RADC_CTRL, 3, 1, 1), SOC_DAPM_SINGLE_AIC3X("Line2R Switch", LINE2R_2_RADC_CTRL, 3, 1, 1), SOC_DAPM_SINGLE_AIC3X("Mic3L Switch", MIC3LR_2_RADC_CTRL, 4, 1, 1), SOC_DAPM_SINGLE_AIC3X("Mic3R Switch", MIC3LR_2_RADC_CTRL, 0, 1, 1), }; /* Left Line1 Mux */ static const struct snd_kcontrol_new aic3x_left_line1l_mux_controls = SOC_DAPM_ENUM("Route", aic3x_enum[LINE1L_2_L_ENUM]); static const struct snd_kcontrol_new aic3x_right_line1l_mux_controls = SOC_DAPM_ENUM("Route", aic3x_enum[LINE1L_2_R_ENUM]); /* Right Line1 Mux */ static const struct snd_kcontrol_new aic3x_right_line1r_mux_controls = SOC_DAPM_ENUM("Route", aic3x_enum[LINE1R_2_R_ENUM]); static const struct snd_kcontrol_new aic3x_left_line1r_mux_controls = SOC_DAPM_ENUM("Route", aic3x_enum[LINE1R_2_L_ENUM]); /* Left Line2 Mux */ static const struct snd_kcontrol_new aic3x_left_line2_mux_controls = SOC_DAPM_ENUM("Route", aic3x_enum[LINE2L_ENUM]); /* Right Line2 Mux */ static const struct snd_kcontrol_new aic3x_right_line2_mux_controls = SOC_DAPM_ENUM("Route", aic3x_enum[LINE2R_ENUM]); static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = { /* Left DAC to Left Outputs */ SND_SOC_DAPM_DAC("Left DAC", "Left Playback", DAC_PWR, 7, 0), SND_SOC_DAPM_MUX("Left DAC Mux", SND_SOC_NOPM, 0, 0, &aic3x_left_dac_mux_controls), SND_SOC_DAPM_MUX("Left HPCOM Mux", SND_SOC_NOPM, 0, 0, &aic3x_left_hpcom_mux_controls), SND_SOC_DAPM_PGA("Left Line Out", LLOPM_CTRL, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("Left HP Out", HPLOUT_CTRL, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("Left HP Com", HPLCOM_CTRL, 0, 0, NULL, 0), /* Right DAC to Right Outputs */ SND_SOC_DAPM_DAC("Right DAC", "Right Playback", DAC_PWR, 6, 0), SND_SOC_DAPM_MUX("Right DAC Mux", SND_SOC_NOPM, 0, 0, &aic3x_right_dac_mux_controls), SND_SOC_DAPM_MUX("Right HPCOM Mux", SND_SOC_NOPM, 0, 0, &aic3x_right_hpcom_mux_controls), SND_SOC_DAPM_PGA("Right Line Out", RLOPM_CTRL, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("Right HP Out", HPROUT_CTRL, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("Right HP Com", HPRCOM_CTRL, 0, 0, NULL, 0), /* Mono Output */ SND_SOC_DAPM_PGA("Mono Out", MONOLOPM_CTRL, 0, 0, NULL, 0), /* Inputs to Left ADC */ SND_SOC_DAPM_ADC("Left ADC", "Left Capture", LINE1L_2_LADC_CTRL, 2, 0), SND_SOC_DAPM_MIXER("Left PGA Mixer", SND_SOC_NOPM, 0, 0, &aic3x_left_pga_mixer_controls[0], ARRAY_SIZE(aic3x_left_pga_mixer_controls)), SND_SOC_DAPM_MUX("Left Line1L Mux", SND_SOC_NOPM, 0, 0, &aic3x_left_line1l_mux_controls), SND_SOC_DAPM_MUX("Left Line1R Mux", SND_SOC_NOPM, 0, 0, &aic3x_left_line1r_mux_controls), SND_SOC_DAPM_MUX("Left Line2L Mux", SND_SOC_NOPM, 0, 0, &aic3x_left_line2_mux_controls), /* Inputs to Right ADC */ SND_SOC_DAPM_ADC("Right ADC", "Right Capture", LINE1R_2_RADC_CTRL, 2, 0), SND_SOC_DAPM_MIXER("Right PGA Mixer", SND_SOC_NOPM, 0, 0, &aic3x_right_pga_mixer_controls[0], ARRAY_SIZE(aic3x_right_pga_mixer_controls)), SND_SOC_DAPM_MUX("Right Line1L Mux", SND_SOC_NOPM, 0, 0, &aic3x_right_line1l_mux_controls), SND_SOC_DAPM_MUX("Right Line1R Mux", SND_SOC_NOPM, 0, 0, &aic3x_right_line1r_mux_controls), SND_SOC_DAPM_MUX("Right Line2R Mux", SND_SOC_NOPM, 0, 0, &aic3x_right_line2_mux_controls), /* * Not a real mic bias widget but similar function. This is for dynamic * control of GPIO1 digital mic modulator clock output function when * using digital mic. */ SND_SOC_DAPM_REG(snd_soc_dapm_micbias, "GPIO1 dmic modclk", AIC3X_GPIO1_REG, 4, 0xf, AIC3X_GPIO1_FUNC_DIGITAL_MIC_MODCLK, AIC3X_GPIO1_FUNC_DISABLED), /* * Also similar function like mic bias. Selects digital mic with * configurable oversampling rate instead of ADC converter. */ SND_SOC_DAPM_REG(snd_soc_dapm_micbias, "DMic Rate 128", AIC3X_ASD_INTF_CTRLA, 0, 3, 1, 0), SND_SOC_DAPM_REG(snd_soc_dapm_micbias, "DMic Rate 64", AIC3X_ASD_INTF_CTRLA, 0, 3, 2, 0), SND_SOC_DAPM_REG(snd_soc_dapm_micbias, "DMic Rate 32", AIC3X_ASD_INTF_CTRLA, 0, 3, 3, 0), /* Mic Bias */ SND_SOC_DAPM_REG(snd_soc_dapm_micbias, "Mic Bias 2V", MICBIAS_CTRL, 6, 3, 1, 0), SND_SOC_DAPM_REG(snd_soc_dapm_micbias, "Mic Bias 2.5V", MICBIAS_CTRL, 6, 3, 2, 0), SND_SOC_DAPM_REG(snd_soc_dapm_micbias, "Mic Bias AVDD", MICBIAS_CTRL, 6, 3, 3, 0), /* Output mixers */ SND_SOC_DAPM_MIXER("Left Line Mixer", SND_SOC_NOPM, 0, 0, &aic3x_left_line_mixer_controls[0], ARRAY_SIZE(aic3x_left_line_mixer_controls)), SND_SOC_DAPM_MIXER("Right Line Mixer", SND_SOC_NOPM, 0, 0, &aic3x_right_line_mixer_controls[0], ARRAY_SIZE(aic3x_right_line_mixer_controls)), SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, &aic3x_mono_mixer_controls[0], ARRAY_SIZE(aic3x_mono_mixer_controls)), SND_SOC_DAPM_MIXER("Left HP Mixer", SND_SOC_NOPM, 0, 0, &aic3x_left_hp_mixer_controls[0], ARRAY_SIZE(aic3x_left_hp_mixer_controls)), SND_SOC_DAPM_MIXER("Right HP Mixer", SND_SOC_NOPM, 0, 0, &aic3x_right_hp_mixer_controls[0], ARRAY_SIZE(aic3x_right_hp_mixer_controls)), SND_SOC_DAPM_MIXER("Left HPCOM Mixer", SND_SOC_NOPM, 0, 0, &aic3x_left_hpcom_mixer_controls[0], ARRAY_SIZE(aic3x_left_hpcom_mixer_controls)), SND_SOC_DAPM_MIXER("Right HPCOM Mixer", SND_SOC_NOPM, 0, 0, &aic3x_right_hpcom_mixer_controls[0], ARRAY_SIZE(aic3x_right_hpcom_mixer_controls)), SND_SOC_DAPM_OUTPUT("LLOUT"), SND_SOC_DAPM_OUTPUT("RLOUT"), SND_SOC_DAPM_OUTPUT("MONO_LOUT"), SND_SOC_DAPM_OUTPUT("HPLOUT"), SND_SOC_DAPM_OUTPUT("HPROUT"), SND_SOC_DAPM_OUTPUT("HPLCOM"), SND_SOC_DAPM_OUTPUT("HPRCOM"), SND_SOC_DAPM_INPUT("MIC3L"), SND_SOC_DAPM_INPUT("MIC3R"), SND_SOC_DAPM_INPUT("LINE1L"), SND_SOC_DAPM_INPUT("LINE1R"), SND_SOC_DAPM_INPUT("LINE2L"), SND_SOC_DAPM_INPUT("LINE2R"), /* * Virtual output pin to detection block inside codec. This can be * used to keep codec bias on if gpio or detection features are needed. * Force pin on or construct a path with an input jack and mic bias * widgets. */ SND_SOC_DAPM_OUTPUT("Detection"), }; static const struct snd_soc_dapm_widget aic3007_dapm_widgets[] = { /* Class-D outputs */ SND_SOC_DAPM_PGA("Left Class-D Out", CLASSD_CTRL, 3, 0, NULL, 0), SND_SOC_DAPM_PGA("Right Class-D Out", CLASSD_CTRL, 2, 0, NULL, 0), SND_SOC_DAPM_OUTPUT("SPOP"), SND_SOC_DAPM_OUTPUT("SPOM"), }; static const struct snd_soc_dapm_route intercon[] = { /* Left Input */ {"Left Line1L Mux", "single-ended", "LINE1L"}, {"Left Line1L Mux", "differential", "LINE1L"}, {"Left Line2L Mux", "single-ended", "LINE2L"}, {"Left Line2L Mux", "differential", "LINE2L"}, {"Left PGA Mixer", "Line1L Switch", "Left Line1L Mux"}, {"Left PGA Mixer", "Line1R Switch", "Left Line1R Mux"}, {"Left PGA Mixer", "Line2L Switch", "Left Line2L Mux"}, {"Left PGA Mixer", "Mic3L Switch", "MIC3L"}, {"Left PGA Mixer", "Mic3R Switch", "MIC3R"}, {"Left ADC", NULL, "Left PGA Mixer"}, {"Left ADC", NULL, "GPIO1 dmic modclk"}, /* Right Input */ {"Right Line1R Mux", "single-ended", "LINE1R"}, {"Right Line1R Mux", "differential", "LINE1R"}, {"Right Line2R Mux", "single-ended", "LINE2R"}, {"Right Line2R Mux", "differential", "LINE2R"}, {"Right PGA Mixer", "Line1L Switch", "Right Line1L Mux"}, {"Right PGA Mixer", "Line1R Switch", "Right Line1R Mux"}, {"Right PGA Mixer", "Line2R Switch", "Right Line2R Mux"}, {"Right PGA Mixer", "Mic3L Switch", "MIC3L"}, {"Right PGA Mixer", "Mic3R Switch", "MIC3R"}, {"Right ADC", NULL, "Right PGA Mixer"}, {"Right ADC", NULL, "GPIO1 dmic modclk"}, /* * Logical path between digital mic enable and GPIO1 modulator clock * output function */ {"GPIO1 dmic modclk", NULL, "DMic Rate 128"}, {"GPIO1 dmic modclk", NULL, "DMic Rate 64"}, {"GPIO1 dmic modclk", NULL, "DMic Rate 32"}, /* Left DAC Output */ {"Left DAC Mux", "DAC_L1", "Left DAC"}, {"Left DAC Mux", "DAC_L2", "Left DAC"}, {"Left DAC Mux", "DAC_L3", "Left DAC"}, /* Right DAC Output */ {"Right DAC Mux", "DAC_R1", "Right DAC"}, {"Right DAC Mux", "DAC_R2", "Right DAC"}, {"Right DAC Mux", "DAC_R3", "Right DAC"}, /* Left Line Output */ {"Left Line Mixer", "Line2L Bypass Switch", "Left Line2L Mux"}, {"Left Line Mixer", "PGAL Bypass Switch", "Left PGA Mixer"}, {"Left Line Mixer", "DACL1 Switch", "Left DAC Mux"}, {"Left Line Mixer", "Line2R Bypass Switch", "Right Line2R Mux"}, {"Left Line Mixer", "PGAR Bypass Switch", "Right PGA Mixer"}, {"Left Line Mixer", "DACR1 Switch", "Right DAC Mux"}, {"Left Line Out", NULL, "Left Line Mixer"}, {"Left Line Out", NULL, "Left DAC Mux"}, {"LLOUT", NULL, "Left Line Out"}, /* Right Line Output */ {"Right Line Mixer", "Line2L Bypass Switch", "Left Line2L Mux"}, {"Right Line Mixer", "PGAL Bypass Switch", "Left PGA Mixer"}, {"Right Line Mixer", "DACL1 Switch", "Left DAC Mux"}, {"Right Line Mixer", "Line2R Bypass Switch", "Right Line2R Mux"}, {"Right Line Mixer", "PGAR Bypass Switch", "Right PGA Mixer"}, {"Right Line Mixer", "DACR1 Switch", "Right DAC Mux"}, {"Right Line Out", NULL, "Right Line Mixer"}, {"Right Line Out", NULL, "Right DAC Mux"}, {"RLOUT", NULL, "Right Line Out"}, /* Mono Output */ {"Mono Mixer", "Line2L Bypass Switch", "Left Line2L Mux"}, {"Mono Mixer", "PGAL Bypass Switch", "Left PGA Mixer"}, {"Mono Mixer", "DACL1 Switch", "Left DAC Mux"}, {"Mono Mixer", "Line2R Bypass Switch", "Right Line2R Mux"}, {"Mono Mixer", "PGAR Bypass Switch", "Right PGA Mixer"}, {"Mono Mixer", "DACR1 Switch", "Right DAC Mux"}, {"Mono Out", NULL, "Mono Mixer"}, {"MONO_LOUT", NULL, "Mono Out"}, /* Left HP Output */ {"Left HP Mixer", "Line2L Bypass Switch", "Left Line2L Mux"}, {"Left HP Mixer", "PGAL Bypass Switch", "Left PGA Mixer"}, {"Left HP Mixer", "DACL1 Switch", "Left DAC Mux"}, {"Left HP Mixer", "Line2R Bypass Switch", "Right Line2R Mux"}, {"Left HP Mixer", "PGAR Bypass Switch", "Right PGA Mixer"}, {"Left HP Mixer", "DACR1 Switch", "Right DAC Mux"}, {"Left HP Out", NULL, "Left HP Mixer"}, {"Left HP Out", NULL, "Left DAC Mux"}, {"HPLOUT", NULL, "Left HP Out"}, /* Right HP Output */ {"Right HP Mixer", "Line2L Bypass Switch", "Left Line2L Mux"}, {"Right HP Mixer", "PGAL Bypass Switch", "Left PGA Mixer"}, {"Right HP Mixer", "DACL1 Switch", "Left DAC Mux"}, {"Right HP Mixer", "Line2R Bypass Switch", "Right Line2R Mux"}, {"Right HP Mixer", "PGAR Bypass Switch", "Right PGA Mixer"}, {"Right HP Mixer", "DACR1 Switch", "Right DAC Mux"}, {"Right HP Out", NULL, "Right HP Mixer"}, {"Right HP Out", NULL, "Right DAC Mux"}, {"HPROUT", NULL, "Right HP Out"}, /* Left HPCOM Output */ {"Left HPCOM Mixer", "Line2L Bypass Switch", "Left Line2L Mux"}, {"Left HPCOM Mixer", "PGAL Bypass Switch", "Left PGA Mixer"}, {"Left HPCOM Mixer", "DACL1 Switch", "Left DAC Mux"}, {"Left HPCOM Mixer", "Line2R Bypass Switch", "Right Line2R Mux"}, {"Left HPCOM Mixer", "PGAR Bypass Switch", "Right PGA Mixer"}, {"Left HPCOM Mixer", "DACR1 Switch", "Right DAC Mux"}, {"Left HPCOM Mux", "differential of HPLOUT", "Left HP Mixer"}, {"Left HPCOM Mux", "constant VCM", "Left HPCOM Mixer"}, {"Left HPCOM Mux", "single-ended", "Left HPCOM Mixer"}, {"Left HP Com", NULL, "Left HPCOM Mux"}, {"HPLCOM", NULL, "Left HP Com"}, /* Right HPCOM Output */ {"Right HPCOM Mixer", "Line2L Bypass Switch", "Left Line2L Mux"}, {"Right HPCOM Mixer", "PGAL Bypass Switch", "Left PGA Mixer"}, {"Right HPCOM Mixer", "DACL1 Switch", "Left DAC Mux"}, {"Right HPCOM Mixer", "Line2R Bypass Switch", "Right Line2R Mux"}, {"Right HPCOM Mixer", "PGAR Bypass Switch", "Right PGA Mixer"}, {"Right HPCOM Mixer", "DACR1 Switch", "Right DAC Mux"}, {"Right HPCOM Mux", "differential of HPROUT", "Right HP Mixer"}, {"Right HPCOM Mux", "constant VCM", "Right HPCOM Mixer"}, {"Right HPCOM Mux", "single-ended", "Right HPCOM Mixer"}, {"Right HPCOM Mux", "differential of HPLCOM", "Left HPCOM Mixer"}, {"Right HPCOM Mux", "external feedback", "Right HPCOM Mixer"}, {"Right HP Com", NULL, "Right HPCOM Mux"}, {"HPRCOM", NULL, "Right HP Com"}, }; static const struct snd_soc_dapm_route intercon_3007[] = { /* Class-D outputs */ {"Left Class-D Out", NULL, "Left Line Out"}, {"Right Class-D Out", NULL, "Left Line Out"}, {"SPOP", NULL, "Left Class-D Out"}, {"SPOM", NULL, "Right Class-D Out"}, }; static int aic3x_add_widgets(struct snd_soc_codec *codec) { struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec); struct snd_soc_dapm_context *dapm = &codec->dapm; snd_soc_dapm_new_controls(dapm, aic3x_dapm_widgets, ARRAY_SIZE(aic3x_dapm_widgets)); /* set up audio path interconnects */ snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon)); if (aic3x->model == AIC3X_MODEL_3007) { snd_soc_dapm_new_controls(dapm, aic3007_dapm_widgets, ARRAY_SIZE(aic3007_dapm_widgets)); snd_soc_dapm_add_routes(dapm, intercon_3007, ARRAY_SIZE(intercon_3007)); } return 0; } static int aic3x_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_codec *codec =rtd->codec; struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec); int codec_clk = 0, bypass_pll = 0, fsref, last_clk = 0; u8 data, j, r, p, pll_q, pll_p = 1, pll_r = 1, pll_j = 1; u16 d, pll_d = 1; int clk; /* select data word length */ data = snd_soc_read(codec, AIC3X_ASD_INTF_CTRLB) & (~(0x3 << 4)); switch (params_format(params)) { case SNDRV_PCM_FORMAT_S16_LE: break; case SNDRV_PCM_FORMAT_S20_3LE: data |= (0x01 << 4); break; case SNDRV_PCM_FORMAT_S24_LE: data |= (0x02 << 4); break; case SNDRV_PCM_FORMAT_S32_LE: data |= (0x03 << 4); break; } snd_soc_write(codec, AIC3X_ASD_INTF_CTRLB, data); /* Fsref can be 44100 or 48000 */ fsref = (params_rate(params) % 11025 == 0) ? 44100 : 48000; /* Try to find a value for Q which allows us to bypass the PLL and * generate CODEC_CLK directly. */ for (pll_q = 2; pll_q < 18; pll_q++) if (aic3x->sysclk / (128 * pll_q) == fsref) { bypass_pll = 1; break; } if (bypass_pll) { pll_q &= 0xf; snd_soc_write(codec, AIC3X_PLL_PROGA_REG, pll_q << PLLQ_SHIFT); snd_soc_write(codec, AIC3X_GPIOB_REG, CODEC_CLKIN_CLKDIV); /* disable PLL if it is bypassed */ snd_soc_update_bits(codec, AIC3X_PLL_PROGA_REG, PLL_ENABLE, 0); } else { snd_soc_write(codec, AIC3X_GPIOB_REG, CODEC_CLKIN_PLLDIV); /* enable PLL when it is used */ snd_soc_update_bits(codec, AIC3X_PLL_PROGA_REG, PLL_ENABLE, PLL_ENABLE); } /* Route Left DAC to left channel input and * right DAC to right channel input */ data = (LDAC2LCH | RDAC2RCH); data |= (fsref == 44100) ? FSREF_44100 : FSREF_48000; if (params_rate(params) >= 64000) data |= DUAL_RATE_MODE; snd_soc_write(codec, AIC3X_CODEC_DATAPATH_REG, data); /* codec sample rate select */ data = (fsref * 20) / params_rate(params); if (params_rate(params) < 64000) data /= 2; data /= 5; data -= 2; data |= (data << 4); snd_soc_write(codec, AIC3X_SAMPLE_RATE_SEL_REG, data); if (bypass_pll) return 0; /* Use PLL, compute appropriate setup for j, d, r and p, the closest * one wins the game. Try with d==0 first, next with d!=0. * Constraints for j are according to the datasheet. * The sysclk is divided by 1000 to prevent integer overflows. */ codec_clk = (2048 * fsref) / (aic3x->sysclk / 1000); for (r = 1; r <= 16; r++) for (p = 1; p <= 8; p++) { for (j = 4; j <= 55; j++) { /* This is actually 1000*((j+(d/10000))*r)/p * The term had to be converted to get * rid of the division by 10000; d = 0 here */ int tmp_clk = (1000 * j * r) / p; /* Check whether this values get closer than * the best ones we had before */ if (abs(codec_clk - tmp_clk) < abs(codec_clk - last_clk)) { pll_j = j; pll_d = 0; pll_r = r; pll_p = p; last_clk = tmp_clk; } /* Early exit for exact matches */ if (tmp_clk == codec_clk) goto found; } } /* try with d != 0 */ for (p = 1; p <= 8; p++) { j = codec_clk * p / 1000; if (j < 4 || j > 11) continue; /* do not use codec_clk here since we'd loose precision */ d = ((2048 * p * fsref) - j * aic3x->sysclk) * 100 / (aic3x->sysclk/100); clk = (10000 * j + d) / (10 * p); /* check whether this values get closer than the best * ones we had before */ if (abs(codec_clk - clk) < abs(codec_clk - last_clk)) { pll_j = j; pll_d = d; pll_r = 1; pll_p = p; last_clk = clk; } /* Early exit for exact matches */ if (clk == codec_clk) goto found; } if (last_clk == 0) { printk(KERN_ERR "%s(): unable to setup PLL\n", __func__); return -EINVAL; } found: data = snd_soc_read(codec, AIC3X_PLL_PROGA_REG); snd_soc_write(codec, AIC3X_PLL_PROGA_REG, data | (pll_p << PLLP_SHIFT)); snd_soc_write(codec, AIC3X_OVRF_STATUS_AND_PLLR_REG, pll_r << PLLR_SHIFT); snd_soc_write(codec, AIC3X_PLL_PROGB_REG, pll_j << PLLJ_SHIFT); snd_soc_write(codec, AIC3X_PLL_PROGC_REG, (pll_d >> 6) << PLLD_MSB_SHIFT); snd_soc_write(codec, AIC3X_PLL_PROGD_REG, (pll_d & 0x3F) << PLLD_LSB_SHIFT); return 0; } static int aic3x_mute(struct snd_soc_dai *dai, int mute) { struct snd_soc_codec *codec = dai->codec; u8 ldac_reg = snd_soc_read(codec, LDAC_VOL) & ~MUTE_ON; u8 rdac_reg = snd_soc_read(codec, RDAC_VOL) & ~MUTE_ON; if (mute) { snd_soc_write(codec, LDAC_VOL, ldac_reg | MUTE_ON); snd_soc_write(codec, RDAC_VOL, rdac_reg | MUTE_ON); } else { snd_soc_write(codec, LDAC_VOL, ldac_reg); snd_soc_write(codec, RDAC_VOL, rdac_reg); } return 0; } static int aic3x_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id, unsigned int freq, int dir) { struct snd_soc_codec *codec = codec_dai->codec; struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec); aic3x->sysclk = freq; return 0; } static int aic3x_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { struct snd_soc_codec *codec = codec_dai->codec; struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec); u8 iface_areg, iface_breg; int delay = 0; iface_areg = snd_soc_read(codec, AIC3X_ASD_INTF_CTRLA) & 0x3f; iface_breg = snd_soc_read(codec, AIC3X_ASD_INTF_CTRLB) & 0x3f; /* set master/slave audio interface */ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBM_CFM: aic3x->master = 1; iface_areg |= BIT_CLK_MASTER | WORD_CLK_MASTER; break; case SND_SOC_DAIFMT_CBS_CFS: aic3x->master = 0; iface_areg &= ~(BIT_CLK_MASTER | WORD_CLK_MASTER); break; default: return -EINVAL; } /* * match both interface format and signal polarities since they * are fixed */ switch (fmt & (SND_SOC_DAIFMT_FORMAT_MASK | SND_SOC_DAIFMT_INV_MASK)) { case (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF): break; case (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF): delay = 1; case (SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_IB_NF): iface_breg |= (0x01 << 6); break; case (SND_SOC_DAIFMT_RIGHT_J | SND_SOC_DAIFMT_NB_NF): iface_breg |= (0x02 << 6); break; case (SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF): iface_breg |= (0x03 << 6); break; default: return -EINVAL; } /* set iface */ snd_soc_write(codec, AIC3X_ASD_INTF_CTRLA, iface_areg); snd_soc_write(codec, AIC3X_ASD_INTF_CTRLB, iface_breg); snd_soc_write(codec, AIC3X_ASD_INTF_CTRLC, delay); return 0; } static int aic3x_init_3007(struct snd_soc_codec *codec) { u8 tmp1, tmp2, *cache = codec->reg_cache; /* * There is no need to cache writes to undocumented page 0xD but * respective page 0 register cache entries must be preserved */ tmp1 = cache[0xD]; tmp2 = cache[0x8]; /* Class-D speaker driver init; datasheet p. 46 */ snd_soc_write(codec, AIC3X_PAGE_SELECT, 0x0D); snd_soc_write(codec, 0xD, 0x0D); snd_soc_write(codec, 0x8, 0x5C); snd_soc_write(codec, 0x8, 0x5D); snd_soc_write(codec, 0x8, 0x5C); snd_soc_write(codec, AIC3X_PAGE_SELECT, 0x00); cache[0xD] = tmp1; cache[0x8] = tmp2; return 0; } static int aic3x_regulator_event(struct notifier_block *nb, unsigned long event, void *data) { struct aic3x_disable_nb *disable_nb = container_of(nb, struct aic3x_disable_nb, nb); struct aic3x_priv *aic3x = disable_nb->aic3x; if (event & REGULATOR_EVENT_DISABLE) { /* * Put codec to reset and require cache sync as at least one * of the supplies was disabled */ if (gpio_is_valid(aic3x->gpio_reset)) gpio_set_value(aic3x->gpio_reset, 0); aic3x->codec->cache_sync = 1; } return 0; } static int aic3x_set_power(struct snd_soc_codec *codec, int power) { struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec); int i, ret; u8 *cache = codec->reg_cache; if (power) { ret = regulator_bulk_enable(ARRAY_SIZE(aic3x->supplies), aic3x->supplies); if (ret) goto out; aic3x->power = 1; /* * Reset release and cache sync is necessary only if some * supply was off or if there were cached writes */ if (!codec->cache_sync) goto out; if (gpio_is_valid(aic3x->gpio_reset)) { udelay(1); gpio_set_value(aic3x->gpio_reset, 1); } /* Sync reg_cache with the hardware */ codec->cache_only = 0; for (i = AIC3X_SAMPLE_RATE_SEL_REG; i < ARRAY_SIZE(aic3x_reg); i++) snd_soc_write(codec, i, cache[i]); if (aic3x->model == AIC3X_MODEL_3007) aic3x_init_3007(codec); codec->cache_sync = 0; } else { /* * Do soft reset to this codec instance in order to clear * possible VDD leakage currents in case the supply regulators * remain on */ snd_soc_write(codec, AIC3X_RESET, SOFT_RESET); codec->cache_sync = 1; aic3x->power = 0; /* HW writes are needless when bias is off */ codec->cache_only = 1; ret = regulator_bulk_disable(ARRAY_SIZE(aic3x->supplies), aic3x->supplies); } out: return ret; } static int aic3x_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec); switch (level) { case SND_SOC_BIAS_ON: break; case SND_SOC_BIAS_PREPARE: if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY && aic3x->master) { /* enable pll */ snd_soc_update_bits(codec, AIC3X_PLL_PROGA_REG, PLL_ENABLE, PLL_ENABLE); } break; case SND_SOC_BIAS_STANDBY: if (!aic3x->power) aic3x_set_power(codec, 1); if (codec->dapm.bias_level == SND_SOC_BIAS_PREPARE && aic3x->master) { /* disable pll */ snd_soc_update_bits(codec, AIC3X_PLL_PROGA_REG, PLL_ENABLE, 0); } break; case SND_SOC_BIAS_OFF: if (aic3x->power) aic3x_set_power(codec, 0); break; } codec->dapm.bias_level = level; return 0; } void aic3x_set_gpio(struct snd_soc_codec *codec, int gpio, int state) { u8 reg = gpio ? AIC3X_GPIO2_REG : AIC3X_GPIO1_REG; u8 bit = gpio ? 3: 0; u8 val = snd_soc_read(codec, reg) & ~(1 << bit); snd_soc_write(codec, reg, val | (!!state << bit)); } EXPORT_SYMBOL_GPL(aic3x_set_gpio); int aic3x_get_gpio(struct snd_soc_codec *codec, int gpio) { u8 reg = gpio ? AIC3X_GPIO2_REG : AIC3X_GPIO1_REG; u8 val = 0, bit = gpio ? 2 : 1; aic3x_read(codec, reg, &val); return (val >> bit) & 1; } EXPORT_SYMBOL_GPL(aic3x_get_gpio); void aic3x_set_headset_detection(struct snd_soc_codec *codec, int detect, int headset_debounce, int button_debounce) { u8 val; val = ((detect & AIC3X_HEADSET_DETECT_MASK) << AIC3X_HEADSET_DETECT_SHIFT) | ((headset_debounce & AIC3X_HEADSET_DEBOUNCE_MASK) << AIC3X_HEADSET_DEBOUNCE_SHIFT) | ((button_debounce & AIC3X_BUTTON_DEBOUNCE_MASK) << AIC3X_BUTTON_DEBOUNCE_SHIFT); if (detect & AIC3X_HEADSET_DETECT_MASK) val |= AIC3X_HEADSET_DETECT_ENABLED; snd_soc_write(codec, AIC3X_HEADSET_DETECT_CTRL_A, val); } EXPORT_SYMBOL_GPL(aic3x_set_headset_detection); int aic3x_headset_detected(struct snd_soc_codec *codec) { u8 val = 0; aic3x_read(codec, AIC3X_HEADSET_DETECT_CTRL_B, &val); return (val >> 4) & 1; } EXPORT_SYMBOL_GPL(aic3x_headset_detected); int aic3x_button_pressed(struct snd_soc_codec *codec) { u8 val = 0; aic3x_read(codec, AIC3X_HEADSET_DETECT_CTRL_B, &val); return (val >> 5) & 1; } EXPORT_SYMBOL_GPL(aic3x_button_pressed); #define AIC3X_RATES SNDRV_PCM_RATE_8000_96000 #define AIC3X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE) static struct snd_soc_dai_ops aic3x_dai_ops = { .hw_params = aic3x_hw_params, .digital_mute = aic3x_mute, .set_sysclk = aic3x_set_dai_sysclk, .set_fmt = aic3x_set_dai_fmt, }; static struct snd_soc_dai_driver aic3x_dai = { .name = "tlv320aic3x-hifi", .playback = { .stream_name = "Playback", .channels_min = 1, .channels_max = 2, .rates = AIC3X_RATES, .formats = AIC3X_FORMATS,}, .capture = { .stream_name = "Capture", .channels_min = 1, .channels_max = 2, .rates = AIC3X_RATES, .formats = AIC3X_FORMATS,}, .ops = &aic3x_dai_ops, .symmetric_rates = 1, }; static int aic3x_suspend(struct snd_soc_codec *codec, pm_message_t state) { aic3x_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; } static int aic3x_resume(struct snd_soc_codec *codec) { aic3x_set_bias_level(codec, SND_SOC_BIAS_STANDBY); return 0; } /* * initialise the AIC3X driver * register the mixer and dsp interfaces with the kernel */ static int aic3x_init(struct snd_soc_codec *codec) { struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec); snd_soc_write(codec, AIC3X_PAGE_SELECT, PAGE0_SELECT); snd_soc_write(codec, AIC3X_RESET, SOFT_RESET); /* DAC default volume and mute */ snd_soc_write(codec, LDAC_VOL, DEFAULT_VOL | MUTE_ON); snd_soc_write(codec, RDAC_VOL, DEFAULT_VOL | MUTE_ON); /* DAC to HP default volume and route to Output mixer */ snd_soc_write(codec, DACL1_2_HPLOUT_VOL, DEFAULT_VOL | ROUTE_ON); snd_soc_write(codec, DACR1_2_HPROUT_VOL, DEFAULT_VOL | ROUTE_ON); snd_soc_write(codec, DACL1_2_HPLCOM_VOL, DEFAULT_VOL | ROUTE_ON); snd_soc_write(codec, DACR1_2_HPRCOM_VOL, DEFAULT_VOL | ROUTE_ON); /* DAC to Line Out default volume and route to Output mixer */ snd_soc_write(codec, DACL1_2_LLOPM_VOL, DEFAULT_VOL | ROUTE_ON); snd_soc_write(codec, DACR1_2_RLOPM_VOL, DEFAULT_VOL | ROUTE_ON); /* DAC to Mono Line Out default volume and route to Output mixer */ snd_soc_write(codec, DACL1_2_MONOLOPM_VOL, DEFAULT_VOL | ROUTE_ON); snd_soc_write(codec, DACR1_2_MONOLOPM_VOL, DEFAULT_VOL | ROUTE_ON); /* unmute all outputs */ snd_soc_update_bits(codec, LLOPM_CTRL, UNMUTE, UNMUTE); snd_soc_update_bits(codec, RLOPM_CTRL, UNMUTE, UNMUTE); snd_soc_update_bits(codec, MONOLOPM_CTRL, UNMUTE, UNMUTE); snd_soc_update_bits(codec, HPLOUT_CTRL, UNMUTE, UNMUTE); snd_soc_update_bits(codec, HPROUT_CTRL, UNMUTE, UNMUTE); snd_soc_update_bits(codec, HPLCOM_CTRL, UNMUTE, UNMUTE); snd_soc_update_bits(codec, HPRCOM_CTRL, UNMUTE, UNMUTE); /* ADC default volume and unmute */ snd_soc_write(codec, LADC_VOL, DEFAULT_GAIN); snd_soc_write(codec, RADC_VOL, DEFAULT_GAIN); /* By default route Line1 to ADC PGA mixer */ snd_soc_write(codec, LINE1L_2_LADC_CTRL, 0x0); snd_soc_write(codec, LINE1R_2_RADC_CTRL, 0x0); /* PGA to HP Bypass default volume, disconnect from Output Mixer */ snd_soc_write(codec, PGAL_2_HPLOUT_VOL, DEFAULT_VOL); snd_soc_write(codec, PGAR_2_HPROUT_VOL, DEFAULT_VOL); snd_soc_write(codec, PGAL_2_HPLCOM_VOL, DEFAULT_VOL); snd_soc_write(codec, PGAR_2_HPRCOM_VOL, DEFAULT_VOL); /* PGA to Line Out default volume, disconnect from Output Mixer */ snd_soc_write(codec, PGAL_2_LLOPM_VOL, DEFAULT_VOL); snd_soc_write(codec, PGAR_2_RLOPM_VOL, DEFAULT_VOL); /* PGA to Mono Line Out default volume, disconnect from Output Mixer */ snd_soc_write(codec, PGAL_2_MONOLOPM_VOL, DEFAULT_VOL); snd_soc_write(codec, PGAR_2_MONOLOPM_VOL, DEFAULT_VOL); /* Line2 to HP Bypass default volume, disconnect from Output Mixer */ snd_soc_write(codec, LINE2L_2_HPLOUT_VOL, DEFAULT_VOL); snd_soc_write(codec, LINE2R_2_HPROUT_VOL, DEFAULT_VOL); snd_soc_write(codec, LINE2L_2_HPLCOM_VOL, DEFAULT_VOL); snd_soc_write(codec, LINE2R_2_HPRCOM_VOL, DEFAULT_VOL); /* Line2 Line Out default volume, disconnect from Output Mixer */ snd_soc_write(codec, LINE2L_2_LLOPM_VOL, DEFAULT_VOL); snd_soc_write(codec, LINE2R_2_RLOPM_VOL, DEFAULT_VOL); /* Line2 to Mono Out default volume, disconnect from Output Mixer */ snd_soc_write(codec, LINE2L_2_MONOLOPM_VOL, DEFAULT_VOL); snd_soc_write(codec, LINE2R_2_MONOLOPM_VOL, DEFAULT_VOL); if (aic3x->model == AIC3X_MODEL_3007) { aic3x_init_3007(codec); snd_soc_write(codec, CLASSD_CTRL, 0); } return 0; } static bool aic3x_is_shared_reset(struct aic3x_priv *aic3x) { struct aic3x_priv *a; list_for_each_entry(a, &reset_list, list) { if (gpio_is_valid(aic3x->gpio_reset) && aic3x->gpio_reset == a->gpio_reset) return true; } return false; } static int aic3x_probe(struct snd_soc_codec *codec) { struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec); int ret, i; INIT_LIST_HEAD(&aic3x->list); aic3x->codec = codec; codec->dapm.idle_bias_off = 1; ret = snd_soc_codec_set_cache_io(codec, 8, 8, aic3x->control_type); if (ret != 0) { dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); return ret; } if (gpio_is_valid(aic3x->gpio_reset) && !aic3x_is_shared_reset(aic3x)) { ret = gpio_request(aic3x->gpio_reset, "tlv320aic3x reset"); if (ret != 0) goto err_gpio; gpio_direction_output(aic3x->gpio_reset, 0); } for (i = 0; i < ARRAY_SIZE(aic3x->supplies); i++) aic3x->supplies[i].supply = aic3x_supply_names[i]; ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(aic3x->supplies), aic3x->supplies); if (ret != 0) { dev_err(codec->dev, "Failed to request supplies: %d\n", ret); goto err_get; } for (i = 0; i < ARRAY_SIZE(aic3x->supplies); i++) { aic3x->disable_nb[i].nb.notifier_call = aic3x_regulator_event; aic3x->disable_nb[i].aic3x = aic3x; ret = regulator_register_notifier(aic3x->supplies[i].consumer, &aic3x->disable_nb[i].nb); if (ret) { dev_err(codec->dev, "Failed to request regulator notifier: %d\n", ret); goto err_notif; } } codec->cache_only = 1; aic3x_init(codec); if (aic3x->setup) { /* setup GPIO functions */ snd_soc_write(codec, AIC3X_GPIO1_REG, (aic3x->setup->gpio_func[0] & 0xf) << 4); snd_soc_write(codec, AIC3X_GPIO2_REG, (aic3x->setup->gpio_func[1] & 0xf) << 4); } snd_soc_add_controls(codec, aic3x_snd_controls, ARRAY_SIZE(aic3x_snd_controls)); if (aic3x->model == AIC3X_MODEL_3007) snd_soc_add_controls(codec, &aic3x_classd_amp_gain_ctrl, 1); aic3x_add_widgets(codec); list_add(&aic3x->list, &reset_list); return 0; err_notif: while (i--) regulator_unregister_notifier(aic3x->supplies[i].consumer, &aic3x->disable_nb[i].nb); regulator_bulk_free(ARRAY_SIZE(aic3x->supplies), aic3x->supplies); err_get: if (gpio_is_valid(aic3x->gpio_reset) && !aic3x_is_shared_reset(aic3x)) gpio_free(aic3x->gpio_reset); err_gpio: return ret; } static int aic3x_remove(struct snd_soc_codec *codec) { struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec); int i; aic3x_set_bias_level(codec, SND_SOC_BIAS_OFF); list_del(&aic3x->list); if (gpio_is_valid(aic3x->gpio_reset) && !aic3x_is_shared_reset(aic3x)) { gpio_set_value(aic3x->gpio_reset, 0); gpio_free(aic3x->gpio_reset); } for (i = 0; i < ARRAY_SIZE(aic3x->supplies); i++) regulator_unregister_notifier(aic3x->supplies[i].consumer, &aic3x->disable_nb[i].nb); regulator_bulk_free(ARRAY_SIZE(aic3x->supplies), aic3x->supplies); return 0; } static struct snd_soc_codec_driver soc_codec_dev_aic3x = { .set_bias_level = aic3x_set_bias_level, .reg_cache_size = ARRAY_SIZE(aic3x_reg), .reg_word_size = sizeof(u8), .reg_cache_default = aic3x_reg, .probe = aic3x_probe, .remove = aic3x_remove, .suspend = aic3x_suspend, .resume = aic3x_resume, }; #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) /* * AIC3X 2 wire address can be up to 4 devices with device addresses * 0x18, 0x19, 0x1A, 0x1B */ static const struct i2c_device_id aic3x_i2c_id[] = { { "tlv320aic3x", AIC3X_MODEL_3X }, { "tlv320aic33", AIC3X_MODEL_33 }, { "tlv320aic3007", AIC3X_MODEL_3007 }, { } }; MODULE_DEVICE_TABLE(i2c, aic3x_i2c_id); /* * If the i2c layer weren't so broken, we could pass this kind of data * around */ static int aic3x_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct aic3x_pdata *pdata = i2c->dev.platform_data; struct aic3x_priv *aic3x; int ret; aic3x = kzalloc(sizeof(struct aic3x_priv), GFP_KERNEL); if (aic3x == NULL) { dev_err(&i2c->dev, "failed to create private data\n"); return -ENOMEM; } aic3x->control_type = SND_SOC_I2C; i2c_set_clientdata(i2c, aic3x); if (pdata) { aic3x->gpio_reset = pdata->gpio_reset; aic3x->setup = pdata->setup; } else { aic3x->gpio_reset = -1; } aic3x->model = id->driver_data; ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_aic3x, &aic3x_dai, 1); if (ret < 0) kfree(aic3x); return ret; } static int aic3x_i2c_remove(struct i2c_client *client) { snd_soc_unregister_codec(&client->dev); kfree(i2c_get_clientdata(client)); return 0; } /* machine i2c codec control layer */ static struct i2c_driver aic3x_i2c_driver = { .driver = { .name = "tlv320aic3x-codec", .owner = THIS_MODULE, }, .probe = aic3x_i2c_probe, .remove = aic3x_i2c_remove, .id_table = aic3x_i2c_id, }; #endif static int __init aic3x_modinit(void) { int ret = 0; #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) ret = i2c_add_driver(&aic3x_i2c_driver); if (ret != 0) { printk(KERN_ERR "Failed to register TLV320AIC3x I2C driver: %d\n", ret); } #endif return ret; } module_init(aic3x_modinit); static void __exit aic3x_exit(void) { #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) i2c_del_driver(&aic3x_i2c_driver); #endif } module_exit(aic3x_exit); MODULE_DESCRIPTION("ASoC TLV320AIC3X codec driver"); MODULE_AUTHOR("Vladimir Barinov"); MODULE_LICENSE("GPL");