diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/codecs/tlv320aic3x.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/codecs/tlv320aic3x.c | 1505 |
1 files changed, 0 insertions, 1505 deletions
diff --git a/ANDROID_3.4.5/sound/soc/codecs/tlv320aic3x.c b/ANDROID_3.4.5/sound/soc/codecs/tlv320aic3x.c deleted file mode 100644 index b8f0262a..00000000 --- a/ANDROID_3.4.5/sound/soc/codecs/tlv320aic3x.c +++ /dev/null @@ -1,1505 +0,0 @@ -/* - * ALSA SoC TLV320AIC3X codec driver - * - * Author: Vladimir Barinov, <vbarinov@embeddedalley.com> - * Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com> - * - * 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 <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/pm.h> -#include <linux/i2c.h> -#include <linux/gpio.h> -#include <linux/regulator/consumer.h> -#include <linux/slab.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> -#include <sound/initval.h> -#include <sound/tlv.h> -#include <sound/tlv320aic3x.h> - -#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 */ -}; - -#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: - snd_soc_update_bits(codec, AIC3X_PLL_PROGA_REG, PLLP_MASK, pll_p); - 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_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); -} - -#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 const 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) -{ - 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; - - 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_codec_controls(codec, aic3x_snd_controls, - ARRAY_SIZE(aic3x_snd_controls)); - if (aic3x->model == AIC3X_MODEL_3007) - snd_soc_add_codec_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, - .idle_bias_off = true, - .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, -}; - -/* - * 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 = devm_kzalloc(&i2c->dev, 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); - return ret; -} - -static int aic3x_i2c_remove(struct i2c_client *client) -{ - snd_soc_unregister_codec(&client->dev); - 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, -}; - -static int __init aic3x_modinit(void) -{ - int ret = 0; - ret = i2c_add_driver(&aic3x_i2c_driver); - if (ret != 0) { - printk(KERN_ERR "Failed to register TLV320AIC3x I2C driver: %d\n", - ret); - } - return ret; -} -module_init(aic3x_modinit); - -static void __exit aic3x_exit(void) -{ - i2c_del_driver(&aic3x_i2c_driver); -} -module_exit(aic3x_exit); - -MODULE_DESCRIPTION("ASoC TLV320AIC3X codec driver"); -MODULE_AUTHOR("Vladimir Barinov"); -MODULE_LICENSE("GPL"); |