diff options
Diffstat (limited to 'sound/soc/codecs/wm8962.c')
| -rw-r--r-- | sound/soc/codecs/wm8962.c | 1859 |
1 files changed, 1859 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c new file mode 100644 index 0000000..58ba2d3 --- /dev/null +++ b/sound/soc/codecs/wm8962.c @@ -0,0 +1,1859 @@ +/* + * wm8962.c -- WM8962 ALSA SoC Audio driver + * + * Copyright 2010 Wolfson Microelectronics plc + * + * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/pm.h> +#include <linux/gcd.h> +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/platform_device.h> +#include <linux/regulator/consumer.h> +#include <linux/slab.h> +#include <linux/workqueue.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/initval.h> +#include <sound/tlv.h> +#include <sound/wm8962.h> + +#include "wm8962.h" + +#define WM8962_NUM_SUPPLIES 8 +static const char *wm8962_supply_names[WM8962_NUM_SUPPLIES] = { + "DCVDD", + "DBVDD", + "AVDD", + "CPVDD", + "MICVDD", + "PLLVDD", + "SPKVDD1", + "SPKVDD2", +}; + +/* codec private data */ +struct wm8962_priv { + struct snd_soc_codec *codec; + + u16 reg_cache[WM8962_MAX_REGISTER + 1]; + + int sysclk; + int sysclk_rate; + + int bclk; /* Desired BCLK */ + int lrclk; + + int fll_src; + int fll_fref; + int fll_fout; + + struct regulator_bulk_data supplies[WM8962_NUM_SUPPLIES]; + struct notifier_block disable_nb[WM8962_NUM_SUPPLIES]; + +#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE) + struct input_dev *beep; + struct work_struct beep_work; + int beep_rate; +#endif +}; + +/* We can't use the same notifier block for more than one supply and + * there's no way I can see to get from a callback to the caller + * except container_of(). + */ +#define WM8962_REGULATOR_EVENT(n) \ +static int wm8962_regulator_event_##n(struct notifier_block *nb, \ + unsigned long event, void *data) \ +{ \ + struct wm8962_priv *wm8962 = container_of(nb, struct wm8962_priv, \ + disable_nb[n]); \ + if (event & REGULATOR_EVENT_DISABLE) { \ + wm8962->codec->cache_sync = 1; \ + } \ + return 0; \ +} + +WM8962_REGULATOR_EVENT(0) +WM8962_REGULATOR_EVENT(1) +WM8962_REGULATOR_EVENT(2) +WM8962_REGULATOR_EVENT(3) +WM8962_REGULATOR_EVENT(4) +WM8962_REGULATOR_EVENT(5) +WM8962_REGULATOR_EVENT(6) +WM8962_REGULATOR_EVENT(7) + +static int wm8962_volatile_register(unsigned int reg) +{ + if (wm8962_reg_access[reg].vol) + return 1; + else + return 0; +} + +static int wm8962_readable_register(unsigned int reg) +{ + if (wm8962_reg_access[reg].read) + return 1; + else + return 0; +} + +static int wm8962_reset(struct snd_soc_codec *codec) +{ + return snd_soc_write(codec, WM8962_SOFTWARE_RESET, 0); +} + +static const DECLARE_TLV_DB_SCALE(inpga_tlv, -2325, 75, 0); +static const DECLARE_TLV_DB_SCALE(mixin_tlv, -1500, 300, 0); +static const unsigned int mixinpga_tlv[] = { + TLV_DB_RANGE_HEAD(7), + 0, 1, TLV_DB_SCALE_ITEM(0, 600, 0), + 2, 2, TLV_DB_SCALE_ITEM(1300, 1300, 0), + 3, 4, TLV_DB_SCALE_ITEM(1800, 200, 0), + 5, 5, TLV_DB_SCALE_ITEM(2400, 0, 0), + 6, 7, TLV_DB_SCALE_ITEM(2700, 300, 0), +}; +static const DECLARE_TLV_DB_SCALE(beep_tlv, -9600, 600, 1); +static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); +static const DECLARE_TLV_DB_SCALE(st_tlv, -3600, 300, 0); +static const DECLARE_TLV_DB_SCALE(inmix_tlv, -600, 600, 0); +static const DECLARE_TLV_DB_SCALE(bypass_tlv, -1500, 300, 0); +static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1); +static const DECLARE_TLV_DB_SCALE(hp_tlv, -700, 100, 0); +static const unsigned int classd_tlv[] = { + TLV_DB_RANGE_HEAD(7), + 0, 6, TLV_DB_SCALE_ITEM(0, 150, 0), + 7, 7, TLV_DB_SCALE_ITEM(1200, 0, 0), +}; + +/* The VU bits for the headphones are in a different register to the mute + * bits and only take effect on the PGA if it is actually powered. + */ +static int wm8962_put_hp_sw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); + u16 *reg_cache = wm8962->reg_cache; + int ret; + + /* Apply the update (if any) */ + ret = snd_soc_put_volsw(kcontrol, ucontrol); + if (ret == 0) + return 0; + + /* If the left PGA is enabled hit that VU bit... */ + if (reg_cache[WM8962_PWR_MGMT_2] & WM8962_HPOUTL_PGA_ENA) + return snd_soc_write(codec, WM8962_HPOUTL_VOLUME, + reg_cache[WM8962_HPOUTL_VOLUME]); + + /* ...otherwise the right. The VU is stereo. */ + if (reg_cache[WM8962_PWR_MGMT_2] & WM8962_HPOUTR_PGA_ENA) + return snd_soc_write(codec, WM8962_HPOUTR_VOLUME, + reg_cache[WM8962_HPOUTR_VOLUME]); + + return 0; +} + +/* The VU bits for the speakers are in a different register to the mute + * bits and only take effect on the PGA if it is actually powered. + */ +static int wm8962_put_spk_sw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); + u16 *reg_cache = wm8962->reg_cache; + int ret; + + /* Apply the update (if any) */ + ret = snd_soc_put_volsw(kcontrol, ucontrol); + if (ret == 0) + return 0; + + /* If the left PGA is enabled hit that VU bit... */ + if (reg_cache[WM8962_PWR_MGMT_2] & WM8962_SPKOUTL_PGA_ENA) + return snd_soc_write(codec, WM8962_SPKOUTL_VOLUME, + reg_cache[WM8962_SPKOUTL_VOLUME]); + + /* ...otherwise the right. The VU is stereo. */ + if (reg_cache[WM8962_PWR_MGMT_2] & WM8962_SPKOUTR_PGA_ENA) + return snd_soc_write(codec, WM8962_SPKOUTR_VOLUME, + reg_cache[WM8962_SPKOUTR_VOLUME]); + + return 0; +} + +static const struct snd_kcontrol_new wm8962_snd_controls[] = { +SOC_DOUBLE("Input Mixer Switch", WM8962_INPUT_MIXER_CONTROL_1, 3, 2, 1, 1), + +SOC_SINGLE_TLV("MIXINL IN2L Volume", WM8962_LEFT_INPUT_MIXER_VOLUME, 6, 7, 0, + mixin_tlv), +SOC_SINGLE_TLV("MIXINL PGA Volume", WM8962_LEFT_INPUT_MIXER_VOLUME, 3, 7, 0, + mixinpga_tlv), +SOC_SINGLE_TLV("MIXINL IN3L Volume", WM8962_LEFT_INPUT_MIXER_VOLUME, 0, 7, 0, + mixin_tlv), + +SOC_SINGLE_TLV("MIXINR IN2R Volume", WM8962_RIGHT_INPUT_MIXER_VOLUME, 6, 7, 0, + mixin_tlv), +SOC_SINGLE_TLV("MIXINR PGA Volume", WM8962_RIGHT_INPUT_MIXER_VOLUME, 3, 7, 0, + mixinpga_tlv), +SOC_SINGLE_TLV("MIXINR IN3R Volume", WM8962_RIGHT_INPUT_MIXER_VOLUME, 0, 7, 0, + mixin_tlv), + +SOC_DOUBLE_R_TLV("Digital Capture Volume", WM8962_LEFT_ADC_VOLUME, + WM8962_RIGHT_ADC_VOLUME, 1, 127, 0, digital_tlv), +SOC_DOUBLE_R_TLV("Capture Volume", WM8962_LEFT_INPUT_VOLUME, + WM8962_RIGHT_INPUT_VOLUME, 0, 63, 0, inpga_tlv), +SOC_DOUBLE_R("Capture Switch", WM8962_LEFT_INPUT_VOLUME, + WM8962_RIGHT_INPUT_VOLUME, 7, 1, 1), +SOC_DOUBLE_R("Capture ZC Switch", WM8962_LEFT_INPUT_VOLUME, + WM8962_RIGHT_INPUT_VOLUME, 6, 1, 1), + +SOC_DOUBLE_R_TLV("Sidetone Volume", WM8962_DAC_DSP_MIXING_1, + WM8962_DAC_DSP_MIXING_2, 4, 12, 0, st_tlv), + +SOC_DOUBLE_R_TLV("Digital Playback Volume", WM8962_LEFT_DAC_VOLUME, + WM8962_RIGHT_DAC_VOLUME, 1, 127, 0, digital_tlv), +SOC_SINGLE("DAC High Performance Switch", WM8962_ADC_DAC_CONTROL_2, 0, 1, 0), + +SOC_SINGLE("ADC High Performance Switch", WM8962_ADDITIONAL_CONTROL_1, + 5, 1, 0), + +SOC_SINGLE_TLV("Beep Volume", WM8962_BEEP_GENERATOR_1, 4, 15, 0, beep_tlv), + +SOC_DOUBLE_R_TLV("Headphone Volume", WM8962_HPOUTL_VOLUME, + WM8962_HPOUTR_VOLUME, 0, 127, 0, out_tlv), +SOC_DOUBLE_EXT("Headphone Switch", WM8962_PWR_MGMT_2, 1, 0, 1, 1, + snd_soc_get_volsw, wm8962_put_hp_sw), +SOC_DOUBLE_R("Headphone ZC Switch", WM8962_HPOUTL_VOLUME, WM8962_HPOUTR_VOLUME, + 7, 1, 0), +SOC_DOUBLE_TLV("Headphone Aux Volume", WM8962_ANALOGUE_HP_2, 3, 6, 7, 0, + hp_tlv), + +SOC_DOUBLE_R("Headphone Mixer Switch", WM8962_HEADPHONE_MIXER_3, + WM8962_HEADPHONE_MIXER_4, 8, 1, 1), + +SOC_SINGLE_TLV("HPMIXL IN4L Volume", WM8962_HEADPHONE_MIXER_3, + 3, 7, 0, bypass_tlv), +SOC_SINGLE_TLV("HPMIXL IN4R Volume", WM8962_HEADPHONE_MIXER_3, + 0, 7, 0, bypass_tlv), +SOC_SINGLE_TLV("HPMIXL MIXINL Volume", WM8962_HEADPHONE_MIXER_3, + 7, 1, 1, inmix_tlv), +SOC_SINGLE_TLV("HPMIXL MIXINR Volume", WM8962_HEADPHONE_MIXER_3, + 6, 1, 1, inmix_tlv), + +SOC_SINGLE_TLV("HPMIXR IN4L Volume", WM8962_HEADPHONE_MIXER_4, + 3, 7, 0, bypass_tlv), +SOC_SINGLE_TLV("HPMIXR IN4R Volume", WM8962_HEADPHONE_MIXER_4, + 0, 7, 0, bypass_tlv), +SOC_SINGLE_TLV("HPMIXR MIXINL Volume", WM8962_HEADPHONE_MIXER_4, + 7, 1, 1, inmix_tlv), +SOC_SINGLE_TLV("HPMIXR MIXINR Volume", WM8962_HEADPHONE_MIXER_4, + 6, 1, 1, inmix_tlv), + +SOC_SINGLE_TLV("Speaker Boost Volume", WM8962_CLASS_D_CONTROL_2, 0, 7, 0, + classd_tlv), +}; + +static const struct snd_kcontrol_new wm8962_spk_mono_controls[] = { +SOC_SINGLE_TLV("Speaker Volume", WM8962_SPKOUTL_VOLUME, 0, 127, 0, out_tlv), +SOC_SINGLE_EXT("Speaker Switch", WM8962_CLASS_D_CONTROL_1, 1, 1, 1, + snd_soc_get_volsw, wm8962_put_spk_sw), +SOC_SINGLE("Speaker ZC Switch", WM8962_SPKOUTL_VOLUME, 7, 1, 0), + +SOC_SINGLE("Speaker Mixer Switch", WM8962_SPEAKER_MIXER_3, 8, 1, 1), +SOC_SINGLE_TLV("Speaker Mixer IN4L Volume", WM8962_SPEAKER_MIXER_3, + 3, 7, 0, bypass_tlv), +SOC_SINGLE_TLV("Speaker Mixer IN4R Volume", WM8962_SPEAKER_MIXER_3, + 0, 7, 0, bypass_tlv), +SOC_SINGLE_TLV("Speaker Mixer MIXINL Volume", WM8962_SPEAKER_MIXER_3, + 7, 1, 1, inmix_tlv), +SOC_SINGLE_TLV("Speaker Mixer MIXINR Volume", WM8962_SPEAKER_MIXER_3, + 6, 1, 1, inmix_tlv), +SOC_SINGLE_TLV("Speaker Mixer DACL Volume", WM8962_SPEAKER_MIXER_5, + 7, 1, 0, inmix_tlv), +SOC_SINGLE_TLV("Speaker Mixer DACR Volume", WM8962_SPEAKER_MIXER_5, + 6, 1, 0, inmix_tlv), +}; + +static const struct snd_kcontrol_new wm8962_spk_stereo_controls[] = { +SOC_DOUBLE_R_TLV("Speaker Volume", WM8962_SPKOUTL_VOLUME, + WM8962_SPKOUTR_VOLUME, 0, 127, 0, out_tlv), +SOC_DOUBLE_EXT("Speaker Switch", WM8962_CLASS_D_CONTROL_1, 1, 0, 1, 1, + snd_soc_get_volsw, wm8962_put_spk_sw), +SOC_DOUBLE_R("Speaker ZC Switch", WM8962_SPKOUTL_VOLUME, WM8962_SPKOUTR_VOLUME, + 7, 1, 0), + +SOC_DOUBLE_R("Speaker Mixer Switch", WM8962_SPEAKER_MIXER_3, + WM8962_SPEAKER_MIXER_4, 8, 1, 1), + +SOC_SINGLE_TLV("SPKOUTL Mixer IN4L Volume", WM8962_SPEAKER_MIXER_3, + 3, 7, 0, bypass_tlv), +SOC_SINGLE_TLV("SPKOUTL Mixer IN4R Volume", WM8962_SPEAKER_MIXER_3, + 0, 7, 0, bypass_tlv), +SOC_SINGLE_TLV("SPKOUTL Mixer MIXINL Volume", WM8962_SPEAKER_MIXER_3, + 7, 1, 1, inmix_tlv), +SOC_SINGLE_TLV("SPKOUTL Mixer MIXINR Volume", WM8962_SPEAKER_MIXER_3, + 6, 1, 1, inmix_tlv), +SOC_SINGLE_TLV("SPKOUTL Mixer DACL Volume", WM8962_SPEAKER_MIXER_5, + 7, 1, 0, inmix_tlv), +SOC_SINGLE_TLV("SPKOUTL Mixer DACR Volume", WM8962_SPEAKER_MIXER_5, + 6, 1, 0, inmix_tlv), + +SOC_SINGLE_TLV("SPKOUTR Mixer IN4L Volume", WM8962_SPEAKER_MIXER_4, + 3, 7, 0, bypass_tlv), +SOC_SINGLE_TLV("SPKOUTR Mixer IN4R Volume", WM8962_SPEAKER_MIXER_4, + 0, 7, 0, bypass_tlv), +SOC_SINGLE_TLV("SPKOUTR Mixer MIXINL Volume", WM8962_SPEAKER_MIXER_4, + 7, 1, 1, inmix_tlv), +SOC_SINGLE_TLV("SPKOUTR Mixer MIXINR Volume", WM8962_SPEAKER_MIXER_4, + 6, 1, 1, inmix_tlv), +SOC_SINGLE_TLV("SPKOUTR Mixer DACL Volume", WM8962_SPEAKER_MIXER_5, + 5, 1, 0, inmix_tlv), +SOC_SINGLE_TLV("SPKOUTR Mixer DACR Volume", WM8962_SPEAKER_MIXER_5, + 4, 1, 0, inmix_tlv), +}; + +static int sysclk_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_codec *codec = w->codec; + int src; + int fll; + + src = snd_soc_read(codec, WM8962_CLOCKING2) & WM8962_SYSCLK_SRC_MASK; + + switch (src) { + case 0: /* MCLK */ + fll = 0; + break; + case 0x200: /* FLL */ + fll = 1; + break; + default: + dev_err(codec->dev, "Unknown SYSCLK source %x\n", src); + return -EINVAL; + } + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + if (fll) + snd_soc_update_bits(codec, WM8962_FLL_CONTROL_1, + WM8962_FLL_ENA, WM8962_FLL_ENA); + break; + + case SND_SOC_DAPM_POST_PMD: + if (fll) + snd_soc_update_bits(codec, WM8962_FLL_CONTROL_1, + WM8962_FLL_ENA, 0); + break; + + default: + BUG(); + return -EINVAL; + } + + return 0; +} + +static int cp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + switch (event) { + case SND_SOC_DAPM_POST_PMU: + msleep(5); + break; + + default: + BUG(); + return -EINVAL; + } + + return 0; +} + +static int hp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_codec *codec = w->codec; + int timeout; + int reg; + int expected = (WM8962_DCS_STARTUP_DONE_HP1L | + WM8962_DCS_STARTUP_DONE_HP1R); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + snd_soc_update_bits(codec, WM8962_ANALOGUE_HP_0, + WM8962_HP1L_ENA | WM8962_HP1R_ENA, + WM8962_HP1L_ENA | WM8962_HP1R_ENA); + udelay(20); + + snd_soc_update_bits(codec, WM8962_ANALOGUE_HP_0, + WM8962_HP1L_ENA_DLY | WM8962_HP1R_ENA_DLY, + WM8962_HP1L_ENA_DLY | WM8962_HP1R_ENA_DLY); + + /* Start the DC servo */ + snd_soc_update_bits(codec, WM8962_DC_SERVO_1, + WM8962_HP1L_DCS_ENA | WM8962_HP1R_DCS_ENA | + WM8962_HP1L_DCS_STARTUP | + WM8962_HP1R_DCS_STARTUP, + WM8962_HP1L_DCS_ENA | WM8962_HP1R_DCS_ENA | + WM8962_HP1L_DCS_STARTUP | + WM8962_HP1R_DCS_STARTUP); + + /* Wait for it to complete, should be well under 100ms */ + timeout = 0; + do { + msleep(1); + reg = snd_soc_read(codec, WM8962_DC_SERVO_6); + if (reg < 0) { + dev_err(codec->dev, + "Failed to read DCS status: %d\n", + reg); + continue; + } + dev_dbg(codec->dev, "DCS status: %x\n", reg); + } while (++timeout < 200 && (reg & expected) != expected); + + if ((reg & expected) != expected) + dev_err(codec->dev, "DC servo timed out\n"); + else + dev_dbg(codec->dev, "DC servo complete after %dms\n", + timeout); + + snd_soc_update_bits(codec, WM8962_ANALOGUE_HP_0, + WM8962_HP1L_ENA_OUTP | + WM8962_HP1R_ENA_OUTP, + WM8962_HP1L_ENA_OUTP | + WM8962_HP1R_ENA_OUTP); + udelay(20); + + snd_soc_update_bits(codec, WM8962_ANALOGUE_HP_0, + WM8962_HP1L_RMV_SHORT | + WM8962_HP1R_RMV_SHORT, + WM8962_HP1L_RMV_SHORT | + WM8962_HP1R_RMV_SHORT); + break; + + case SND_SOC_DAPM_PRE_PMD: + snd_soc_update_bits(codec, WM8962_ANALOGUE_HP_0, + WM8962_HP1L_RMV_SHORT | + WM8962_HP1R_RMV_SHORT, 0); + + udelay(20); + + snd_soc_update_bits(codec, WM8962_DC_SERVO_1, + WM8962_HP1L_DCS_ENA | WM8962_HP1R_DCS_ENA | + WM8962_HP1L_DCS_STARTUP | + WM8962_HP1R_DCS_STARTUP, + 0); + + snd_soc_update_bits(codec, WM8962_ANALOGUE_HP_0, + WM8962_HP1L_ENA | WM8962_HP1R_ENA | + WM8962_HP1L_ENA_DLY | WM8962_HP1R_ENA_DLY | + WM8962_HP1L_ENA_OUTP | + WM8962_HP1R_ENA_OUTP, 0); + + break; + + default: + BUG(); + return -EINVAL; + + } + + return 0; +} + +/* VU bits for the output PGAs only take effect while the PGA is powered */ +static int out_pga_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_codec *codec = w->codec; + struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); + u16 *reg_cache = wm8962->reg_cache; + int reg; + + switch (w->shift) { + case WM8962_HPOUTR_PGA_ENA_SHIFT: + reg = WM8962_HPOUTR_VOLUME; + break; + case WM8962_HPOUTL_PGA_ENA_SHIFT: + reg = WM8962_HPOUTL_VOLUME; + break; + case WM8962_SPKOUTR_PGA_ENA_SHIFT: + reg = WM8962_SPKOUTR_VOLUME; + break; + case WM8962_SPKOUTL_PGA_ENA_SHIFT: + reg = WM8962_SPKOUTL_VOLUME; + break; + default: + BUG(); + return -EINVAL; + } + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + return snd_soc_write(codec, reg, reg_cache[reg]); + default: + BUG(); + return -EINVAL; + } +} + +static const char *st_text[] = { "None", "Right", "Left" }; + +static const struct soc_enum str_enum = + SOC_ENUM_SINGLE(WM8962_DAC_DSP_MIXING_1, 2, 3, st_text); + +static const struct snd_kcontrol_new str_mux = + SOC_DAPM_ENUM("Right Sidetone", str_enum); + +static const struct soc_enum stl_enum = + SOC_ENUM_SINGLE(WM8962_DAC_DSP_MIXING_2, 2, 3, st_text); + +static const struct snd_kcontrol_new stl_mux = + SOC_DAPM_ENUM("Left Sidetone", stl_enum); + +static const char *outmux_text[] = { "DAC", "Mixer" }; + +static const struct soc_enum spkoutr_enum = + SOC_ENUM_SINGLE(WM8962_SPEAKER_MIXER_2, 7, 2, outmux_text); + +static const struct snd_kcontrol_new spkoutr_mux = + SOC_DAPM_ENUM("SPKOUTR Mux", spkoutr_enum); + +static const struct soc_enum spkoutl_enum = + SOC_ENUM_SINGLE(WM8962_SPEAKER_MIXER_1, 7, 2, outmux_text); + +static const struct snd_kcontrol_new spkoutl_mux = + SOC_DAPM_ENUM("SPKOUTL Mux", spkoutl_enum); + +static const struct soc_enum hpoutr_enum = + SOC_ENUM_SINGLE(WM8962_HEADPHONE_MIXER_2, 7, 2, outmux_text); + +static const struct snd_kcontrol_new hpoutr_mux = + SOC_DAPM_ENUM("HPOUTR Mux", hpoutr_enum); + +static const struct soc_enum hpoutl_enum = + SOC_ENUM_SINGLE(WM8962_HEADPHONE_MIXER_1, 7, 2, outmux_text); + +static const struct snd_kcontrol_new hpoutl_mux = + SOC_DAPM_ENUM("HPOUTL Mux", hpoutl_enum); + +static const struct snd_kcontrol_new inpgal[] = { +SOC_DAPM_SINGLE("IN1L Switch", WM8962_LEFT_INPUT_PGA_CONTROL, 3, 1, 0), +SOC_DAPM_SINGLE("IN2L Switch", WM8962_LEFT_INPUT_PGA_CONTROL, 2, 1, 0), +SOC_DAPM_SINGLE("IN3L Switch", WM8962_LEFT_INPUT_PGA_CONTROL, 1, 1, 0), +SOC_DAPM_SINGLE("IN4L Switch", WM8962_LEFT_INPUT_PGA_CONTROL, 0, 1, 0), +}; + +static const struct snd_kcontrol_new inpgar[] = { +SOC_DAPM_SINGLE("IN1R Switch", WM8962_RIGHT_INPUT_PGA_CONTROL, 3, 1, 0), +SOC_DAPM_SINGLE("IN2R Switch", WM8962_RIGHT_INPUT_PGA_CONTROL, 2, 1, 0), +SOC_DAPM_SINGLE("IN3R Switch", WM8962_RIGHT_INPUT_PGA_CONTROL, 1, 1, 0), +SOC_DAPM_SINGLE("IN4R Switch", WM8962_RIGHT_INPUT_PGA_CONTROL, 0, 1, 0), +}; + +static const struct snd_kcontrol_new mixinl[] = { +SOC_DAPM_SINGLE("IN2L Switch", WM8962_INPUT_MIXER_CONTROL_2, 5, 1, 0), +SOC_DAPM_SINGLE("IN3L Switch", WM8962_INPUT_MIXER_CONTROL_2, 4, 1, 0), +SOC_DAPM_SINGLE("PGA Switch", WM8962_INPUT_MIXER_CONTROL_2, 3, 1, 0), +}; + +static const struct snd_kcontrol_new mixinr[] = { +SOC_DAPM_SINGLE("IN2R Switch", WM8962_INPUT_MIXER_CONTROL_2, 2, 1, 0), +SOC_DAPM_SINGLE("IN3R Switch", WM8962_INPUT_MIXER_CONTROL_2, 1, 1, 0), +SOC_DAPM_SINGLE("PGA Switch", WM8962_INPUT_MIXER_CONTROL_2, 0, 1, 0), +}; + +static const struct snd_kcontrol_new hpmixl[] = { +SOC_DAPM_SINGLE("DACL Switch", WM8962_HEADPHONE_MIXER_1, 5, 1, 0), +SOC_DAPM_SINGLE("DACR Switch", WM8962_HEADPHONE_MIXER_1, 4, 1, 0), +SOC_DAPM_SINGLE("MIXINL Switch", WM8962_HEADPHONE_MIXER_1, 3, 1, 0), +SOC_DAPM_SINGLE("MIXINR Switch", WM8962_HEADPHONE_MIXER_1, 2, 1, 0), +SOC_DAPM_SINGLE("IN4L Switch", WM8962_HEADPHONE_MIXER_1, 1, 1, 0), +SOC_DAPM_SINGLE("IN4R Switch", WM8962_HEADPHONE_MIXER_1, 0, 1, 0), +}; + +static const struct snd_kcontrol_new hpmixr[] = { +SOC_DAPM_SINGLE("DACL Switch", WM8962_HEADPHONE_MIXER_2, 5, 1, 0), +SOC_DAPM_SINGLE("DACR Switch", WM8962_HEADPHONE_MIXER_2, 4, 1, 0), +SOC_DAPM_SINGLE("MIXINL Switch", WM8962_HEADPHONE_MIXER_2, 3, 1, 0), +SOC_DAPM_SINGLE("MIXINR Switch", WM8962_HEADPHONE_MIXER_2, 2, 1, 0), +SOC_DAPM_SINGLE("IN4L Switch", WM8962_HEADPHONE_MIXER_2, 1, 1, 0), +SOC_DAPM_SINGLE("IN4R Switch", WM8962_HEADPHONE_MIXER_2, 0, 1, 0), +}; + +static const struct snd_kcontrol_new spkmixl[] = { +SOC_DAPM_SINGLE("DACL Switch", WM8962_SPEAKER_MIXER_1, 5, 1, 0), +SOC_DAPM_SINGLE("DACR Switch", WM8962_SPEAKER_MIXER_1, 4, 1, 0), +SOC_DAPM_SINGLE("MIXINL Switch", WM8962_SPEAKER_MIXER_1, 3, 1, 0), +SOC_DAPM_SINGLE("MIXINR Switch", WM8962_SPEAKER_MIXER_1, 2, 1, 0), +SOC_DAPM_SINGLE("IN4L Switch", WM8962_SPEAKER_MIXER_1, 1, 1, 0), +SOC_DAPM_SINGLE("IN4R Switch", WM8962_SPEAKER_MIXER_1, 0, 1, 0), +}; + +static const struct snd_kcontrol_new spkmixr[] = { +SOC_DAPM_SINGLE("DACL Switch", WM8962_SPEAKER_MIXER_2, 5, 1, 0), +SOC_DAPM_SINGLE("DACR Switch", WM8962_SPEAKER_MIXER_2, 4, 1, 0), +SOC_DAPM_SINGLE("MIXINL Switch", WM8962_SPEAKER_MIXER_2, 3, 1, 0), +SOC_DAPM_SINGLE("MIXINR Switch", WM8962_SPEAKER_MIXER_2, 2, 1, 0), +SOC_DAPM_SINGLE("IN4L Switch", WM8962_SPEAKER_MIXER_2, 1, 1, 0), +SOC_DAPM_SINGLE("IN4R Switch", WM8962_SPEAKER_MIXER_2, 0, 1, 0), +}; + +static const struct snd_soc_dapm_widget wm8962_dapm_widgets[] = { +SND_SOC_DAPM_INPUT("IN1L"), +SND_SOC_DAPM_INPUT("IN1R"), +SND_SOC_DAPM_INPUT("IN2L"), +SND_SOC_DAPM_INPUT("IN2R"), +SND_SOC_DAPM_INPUT("IN3L"), +SND_SOC_DAPM_INPUT("IN3R"), +SND_SOC_DAPM_INPUT("IN4L"), +SND_SOC_DAPM_INPUT("IN4R"), +SND_SOC_DAPM_INPUT("Beep"), + +SND_SOC_DAPM_SUPPLY("Class G", WM8962_CHARGE_PUMP_B, 0, 1, NULL, 0), +SND_SOC_DAPM_SUPPLY("SYSCLK", WM8962_CLOCKING2, 5, 0, sysclk_event, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), +SND_SOC_DAPM_SUPPLY("Charge Pump", WM8962_CHARGE_PUMP_1, 0, 0, cp_event, + SND_SOC_DAPM_POST_PMU), +SND_SOC_DAPM_SUPPLY("TOCLK", WM8962_ADDITIONAL_CONTROL_1, 0, 0, NULL, 0), + +SND_SOC_DAPM_MIXER("INPGAL", WM8962_LEFT_INPUT_PGA_CONTROL, 4, 0, + inpgal, ARRAY_SIZE(inpgal)), +SND_SOC_DAPM_MIXER("INPGAR", WM8962_RIGHT_INPUT_PGA_CONTROL, 4, 0, + inpgar, ARRAY_SIZE(inpgar)), +SND_SOC_DAPM_MIXER("MIXINL", WM8962_PWR_MGMT_1, 5, 0, + mixinl, ARRAY_SIZE(mixinl)), +SND_SOC_DAPM_MIXER("MIXINR", WM8962_PWR_MGMT_1, 4, 0, + mixinr, ARRAY_SIZE(mixinr)), + +SND_SOC_DAPM_ADC("ADCL", "Capture", WM8962_PWR_MGMT_1, 3, 0), +SND_SOC_DAPM_ADC("ADCR", "Capture", WM8962_PWR_MGMT_1, 2, 0), + +SND_SOC_DAPM_MUX("STL", SND_SOC_NOPM, 0, 0, &stl_mux), +SND_SOC_DAPM_MUX("STR", SND_SOC_NOPM, 0, 0, &str_mux), + +SND_SOC_DAPM_DAC("DACL", "Playback", WM8962_PWR_MGMT_2, 8, 0), +SND_SOC_DAPM_DAC("DACR", "Playback", WM8962_PWR_MGMT_2, 7, 0), + +SND_SOC_DAPM_PGA("Left Bypass", SND_SOC_NOPM, 0, 0, NULL, 0), +SND_SOC_DAPM_PGA("Right Bypass", SND_SOC_NOPM, 0, 0, NULL, 0), + +SND_SOC_DAPM_MIXER("HPMIXL", WM8962_MIXER_ENABLES, 3, 0, + hpmixl, ARRAY_SIZE(hpmixl)), +SND_SOC_DAPM_MIXER("HPMIXR", WM8962_MIXER_ENABLES, 2, 0, + hpmixr, ARRAY_SIZE(hpmixr)), + +SND_SOC_DAPM_MUX_E("HPOUTL PGA", WM8962_PWR_MGMT_2, 6, 0, &hpoutl_mux, + out_pga_event, SND_SOC_DAPM_POST_PMU), +SND_SOC_DAPM_MUX_E("HPOUTR PGA", WM8962_PWR_MGMT_2, 5, 0, &hpoutr_mux, + out_pga_event, SND_SOC_DAPM_POST_PMU), + +SND_SOC_DAPM_PGA_E("HPOUT", SND_SOC_NOPM, 0, 0, NULL, 0, hp_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + +SND_SOC_DAPM_OUTPUT("HPOUTL"), +SND_SOC_DAPM_OUTPUT("HPOUTR"), +}; + +static const struct snd_soc_dapm_widget wm8962_dapm_spk_mono_widgets[] = { +SND_SOC_DAPM_MIXER("Speaker Mixer", WM8962_MIXER_ENABLES, 1, 0, + spkmixl, ARRAY_SIZE(spkmixl)), +SND_SOC_DAPM_MUX_E("Speaker PGA", WM8962_PWR_MGMT_2, 4, 0, &spkoutl_mux, + out_pga_event, SND_SOC_DAPM_POST_PMU), +SND_SOC_DAPM_PGA("Speaker Output", WM8962_CLASS_D_CONTROL_1, 7, 0, NULL, 0), +SND_SOC_DAPM_OUTPUT("SPKOUT"), +}; + +static const struct snd_soc_dapm_widget wm8962_dapm_spk_stereo_widgets[] = { +SND_SOC_DAPM_MIXER("SPKOUTL Mixer", WM8962_MIXER_ENABLES, 1, 0, + spkmixl, ARRAY_SIZE(spkmixl)), +SND_SOC_DAPM_MIXER("SPKOUTR Mixer", WM8962_MIXER_ENABLES, 0, 0, + spkmixr, ARRAY_SIZE(spkmixr)), + +SND_SOC_DAPM_MUX_E("SPKOUTL PGA", WM8962_PWR_MGMT_2, 4, 0, &spkoutl_mux, + out_pga_event, SND_SOC_DAPM_POST_PMU), +SND_SOC_DAPM_MUX_E("SPKOUTR PGA", WM8962_PWR_MGMT_2, 3, 0, &spkoutr_mux, + out_pga_event, SND_SOC_DAPM_POST_PMU), + +SND_SOC_DAPM_PGA("SPKOUTR Output", WM8962_CLASS_D_CONTROL_1, 7, 0, NULL, 0), +SND_SOC_DAPM_PGA("SPKOUTL Output", WM8962_CLASS_D_CONTROL_1, 6, 0, NULL, 0), + +SND_SOC_DAPM_OUTPUT("SPKOUTL"), +SND_SOC_DAPM_OUTPUT("SPKOUTR"), +}; + +static const struct snd_soc_dapm_route wm8962_intercon[] = { + { "INPGAL", "IN1L Switch", "IN1L" }, + { "INPGAL", "IN2L Switch", "IN2L" }, + { "INPGAL", "IN3L Switch", "IN3L" }, + { "INPGAL", "IN4L Switch", "IN4L" }, + + { "INPGAR", "IN1R Switch", "IN1R" }, + { "INPGAR", "IN2R Switch", "IN2R" }, + { "INPGAR", "IN3R Switch", "IN3R" }, + { "INPGAR", "IN4R Switch", "IN4R" }, + + { "MIXINL", "IN2L Switch", "IN2L" }, + { "MIXINL", "IN3L Switch", "IN3L" }, + { "MIXINL", "PGA Switch", "INPGAL" }, + + { "MIXINR", "IN2R Switch", "IN2R" }, + { "MIXINR", "IN3R Switch", "IN3R" }, + { "MIXINR", "PGA Switch", "INPGAR" }, + + { "ADCL", NULL, "SYSCLK" }, + { "ADCL", NULL, "TOCLK" }, + { "ADCL", NULL, "MIXINL" }, + + { "ADCR", NULL, "SYSCLK" }, + { "ADCR", NULL, "TOCLK" }, + { "ADCR", NULL, "MIXINR" }, + + { "STL", "Left", "ADCL" }, + { "STL", "Right", "ADCR" }, + + { "STR", "Left", "ADCL" }, + { "STR", "Right", "ADCR" }, + + { "DACL", NULL, "SYSCLK" }, + { "DACL", NULL, "TOCLK" }, + { "DACL", NULL, "Beep" }, + { "DACL", NULL, "STL" }, + + { "DACR", NULL, "SYSCLK" }, + { "DACR", NULL, "TOCLK" }, + { "DACR", NULL, "Beep" }, + { "DACR", NULL, "STR" }, + + { "HPMIXL", "IN4L Switch", "IN4L" }, + { "HPMIXL", "IN4R Switch", "IN4R" }, + { "HPMIXL", "DACL Switch", "DACL" }, + { "HPMIXL", "DACR Switch", "DACR" }, + { "HPMIXL", "MIXINL Switch", "MIXINL" }, + { "HPMIXL", "MIXINR Switch", "MIXINR" }, + + { "HPMIXR", "IN4L Switch", "IN4L" }, + { "HPMIXR", "IN4R Switch", "IN4R" }, + { "HPMIXR", "DACL Switch", "DACL" }, + { "HPMIXR", "DACR Switch", "DACR" }, + { "HPMIXR", "MIXINL Switch", "MIXINL" }, + { "HPMIXR", "MIXINR Switch", "MIXINR" }, + + { "Left Bypass", NULL, "HPMIXL" }, + { "Left Bypass", NULL, "Class G" }, + + { "Right Bypass", NULL, "HPMIXR" }, + { "Right Bypass", NULL, "Class G" }, + + { "HPOUTL PGA", "Mixer", "Left Bypass" }, + { "HPOUTL PGA", "DAC", "DACL" }, + + { "HPOUTR PGA", "Mixer", "Right Bypass" }, + { "HPOUTR PGA", "DAC", "DACR" }, + + { "HPOUT", NULL, "HPOUTL PGA" }, + { "HPOUT", NULL, "HPOUTR PGA" }, + { "HPOUT", NULL, "Charge Pump" }, + { "HPOUT", NULL, "SYSCLK" }, + { "HPOUT", NULL, "TOCLK" }, + + { "HPOUTL", NULL, "HPOUT" }, + { "HPOUTR", NULL, "HPOUT" }, +}; + +static const struct snd_soc_dapm_route wm8962_spk_mono_intercon[] = { + { "Speaker Mixer", "IN4L Switch", "IN4L" }, + { "Speaker Mixer", "IN4R Switch", "IN4R" }, + { "Speaker Mixer", "DACL Switch", "DACL" }, + { "Speaker Mixer", "DACR Switch", "DACR" }, + { "Speaker Mixer", "MIXINL Switch", "MIXINL" }, + { "Speaker Mixer", "MIXINR Switch", "MIXINR" }, + + { "Speaker PGA", "Mixer", "Speaker Mixer" }, + { "Speaker PGA", "DAC", "DACL" }, + + { "Speaker Output", NULL, "Speaker PGA" }, + { "Speaker Output", NULL, "SYSCLK" }, + { "Speaker Output", NULL, "TOCLK" }, + + { "SPKOUT", NULL, "Speaker Output" }, +}; + +static const struct snd_soc_dapm_route wm8962_spk_stereo_intercon[] = { + { "SPKOUTL Mixer", "IN4L Switch", "IN4L" }, + { "SPKOUTL Mixer", "IN4R Switch", "IN4R" }, + { "SPKOUTL Mixer", "DACL Switch", "DACL" }, + { "SPKOUTL Mixer", "DACR Switch", "DACR" }, + { "SPKOUTL Mixer", "MIXINL Switch", "MIXINL" }, + { "SPKOUTL Mixer", "MIXINR Switch", "MIXINR" }, + + { "SPKOUTR Mixer", "IN4L Switch", "IN4L" }, + { "SPKOUTR Mixer", "IN4R Switch", "IN4R" }, + { "SPKOUTR Mixer", "DACL Switch", "DACL" }, + { "SPKOUTR Mixer", "DACR Switch", "DACR" }, + { "SPKOUTR Mixer", "MIXINL Switch", "MIXINL" }, + { "SPKOUTR Mixer", "MIXINR Switch", "MIXINR" }, + + { "SPKOUTL PGA", "Mixer", "SPKOUTL Mixer" }, + { "SPKOUTL PGA", "DAC", "DACL" }, + + { "SPKOUTR PGA", "Mixer", "SPKOUTR Mixer" }, + { "SPKOUTR PGA", "DAC", "DACR" }, + + { "SPKOUTL Output", NULL, "SPKOUTL PGA" }, + { "SPKOUTL Output", NULL, "SYSCLK" }, + { "SPKOUTL Output", NULL, "TOCLK" }, + + { "SPKOUTR Output", NULL, "SPKOUTR PGA" }, + { "SPKOUTR Output", NULL, "SYSCLK" }, + { "SPKOUTR Output", NULL, "TOCLK" }, + + { "SPKOUTL", NULL, "SPKOUTL Output" }, + { "SPKOUTR", NULL, "SPKOUTR Output" }, +}; + +static int wm8962_add_widgets(struct snd_soc_codec *codec) +{ + struct wm8962_pdata *pdata = dev_get_platdata(codec->dev); + + snd_soc_add_controls(codec, wm8962_snd_controls, + ARRAY_SIZE(wm8962_snd_controls)); + if (pdata && pdata->spk_mono) + snd_soc_add_controls(codec, wm8962_spk_mono_controls, + ARRAY_SIZE(wm8962_spk_mono_controls)); + else + snd_soc_add_controls(codec, wm8962_spk_stereo_controls, + ARRAY_SIZE(wm8962_spk_stereo_controls)); + + + snd_soc_dapm_new_controls(codec, wm8962_dapm_widgets, + ARRAY_SIZE(wm8962_dapm_widgets)); + if (pdata && pdata->spk_mono) + snd_soc_dapm_new_controls(codec, wm8962_dapm_spk_mono_widgets, + ARRAY_SIZE(wm8962_dapm_spk_mono_widgets)); + else + snd_soc_dapm_new_controls(codec, wm8962_dapm_spk_stereo_widgets, + ARRAY_SIZE(wm8962_dapm_spk_stereo_widgets)); + + snd_soc_dapm_add_routes(codec, wm8962_intercon, + ARRAY_SIZE(wm8962_intercon)); + if (pdata && pdata->spk_mono) + snd_soc_dapm_add_routes(codec, wm8962_spk_mono_intercon, + ARRAY_SIZE(wm8962_spk_mono_intercon)); + else + snd_soc_dapm_add_routes(codec, wm8962_spk_stereo_intercon, + ARRAY_SIZE(wm8962_spk_stereo_intercon)); + + + snd_soc_dapm_disable_pin(codec, "Beep"); + + return 0; +} + +static void wm8962_sync_cache(struct snd_soc_codec *codec) +{ + struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); + int i; + + if (!codec->cache_sync) + return; + + dev_dbg(codec->dev, "Syncing cache\n"); + + codec->cache_only = 0; + + /* Sync back cached values if they're different from the + * hardware default. + */ + for (i = 1; i < ARRAY_SIZE(wm8962->reg_cache); i++) { + if (i == WM8962_SOFTWARE_RESET) + continue; + if (wm8962->reg_cache[i] == wm8962_reg[i]) + continue; + + snd_soc_write(codec, i, wm8962->reg_cache[i]); + } + + codec->cache_sync = 0; +} + +/* -1 for reserved values */ +static const int bclk_divs[] = { + 1, -1, 2, 3, 4, -1, 6, 8, -1, 12, 16, 24, -1, 32, 32, 32 +}; + +static void wm8962_configure_bclk(struct snd_soc_codec *codec) +{ + struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); + int dspclk, i; + int clocking2 = 0; + int aif2 = 0; + + /* If the CODEC is powered on we can configure BCLK */ + if (codec->bias_level != SND_SOC_BIAS_OFF) { + dev_dbg(codec->dev, "Bias is off, can't configure BCLK\n"); + return; + } + + if (!wm8962->bclk) { + dev_dbg(codec->dev, "No BCLK rate configured\n"); + return; + } + + dspclk = snd_soc_read(codec, WM8962_CLOCKING1); + if (dspclk < 0) { + dev_err(codec->dev, "Failed to read DSPCLK: %d\n", dspclk); + return; + } + + dspclk = (dspclk & WM8962_DSPCLK_DIV_MASK) >> WM8962_DSPCLK_DIV_SHIFT; + switch (dspclk) { + case 0: + dspclk = wm8962->sysclk_rate; + break; + case 1: + dspclk = wm8962->sysclk_rate / 2; + break; + case 2: + dspclk = wm8962->sysclk_rate / 4; + break; + default: + dev_warn(codec->dev, "Unknown DSPCLK divisor read back\n"); + dspclk = wm8962->sysclk; + } + + dev_dbg(codec->dev, "DSPCLK is %dHz, BCLK %d\n", dspclk, wm8962->bclk); + + /* We're expecting an exact match */ + for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) { + if (bclk_divs[i] < 0) + continue; + + if (dspclk / bclk_divs[i] == wm8962->bclk) { + dev_dbg(codec->dev, "Selected BCLK_DIV %d for %dHz\n", + bclk_divs[i], wm8962->bclk); + clocking2 |= i; + break; + } + } + if (i == ARRAY_SIZE(bclk_divs)) { + dev_err(codec->dev, "Unsupported BCLK ratio %d\n", + dspclk / wm8962->bclk); + return; + } + + aif2 |= wm8962->bclk / wm8962->lrclk; + dev_dbg(codec->dev, "Selected LRCLK divisor %d for %dHz\n", + wm8962->bclk / wm8962->lrclk, wm8962->lrclk); + + snd_soc_update_bits(codec, WM8962_CLOCKING2, + WM8962_BCLK_DIV_MASK, clocking2); + snd_soc_update_bits(codec, WM8962_AUDIO_INTERFACE_2, + WM8962_AIF_RATE_MASK, aif2); +} + +static int wm8962_set_bias_level(struct snd_soc_codec *codec, + enum snd_soc_bias_level level) +{ + struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); + int ret; + + if (level == codec->bias_level) + return 0; + + switch (level) { + case SND_SOC_BIAS_ON: + break; + + case SND_SOC_BIAS_PREPARE: + /* VMID 2*50k */ + snd_soc_update_bits(codec, WM8962_PWR_MGMT_1, + WM8962_VMID_SEL_MASK, 0x80); + break; + + case SND_SOC_BIAS_STANDBY: + if (codec->bias_level == SND_SOC_BIAS_OFF) { + ret = regulator_bulk_enable(ARRAY_SIZE(wm8962->supplies), + wm8962->supplies); + if (ret != 0) { + dev_err(codec->dev, + "Failed to enable supplies: %d\n", + ret); + return ret; + } + + wm8962_sync_cache(codec); + + snd_soc_update_bits(codec, WM8962_ANTI_POP, + WM8962_STARTUP_BIAS_ENA | + WM8962_VMID_BUF_ENA, + WM8962_STARTUP_BIAS_ENA | + WM8962_VMID_BUF_ENA); + + /* Bias enable at 2*50k for ramp */ + snd_soc_update_bits(codec, WM8962_PWR_MGMT_1, + WM8962_VMID_SEL_MASK | + WM8962_BIAS_ENA, + WM8962_BIAS_ENA | 0x180); + + msleep(5); + + snd_soc_update_bits(codec, WM8962_CLOCKING2, + WM8962_CLKREG_OVD, + WM8962_CLKREG_OVD); + + wm8962_configure_bclk(codec); + } + + /* VMID 2*250k */ + snd_soc_update_bits(codec, WM8962_PWR_MGMT_1, + WM8962_VMID_SEL_MASK, 0x100); + break; + + case SND_SOC_BIAS_OFF: + snd_soc_update_bits(codec, WM8962_PWR_MGMT_1, + WM8962_VMID_SEL_MASK | WM8962_BIAS_ENA, 0); + + snd_soc_update_bits(codec, WM8962_ANTI_POP, + WM8962_STARTUP_BIAS_ENA | + WM8962_VMID_BUF_ENA, 0); + + regulator_bulk_disable(ARRAY_SIZE(wm8962->supplies), + wm8962->supplies); + break; + } + codec->bias_level = level; + return 0; +} + +static const struct { + int rate; + int reg; +} sr_vals[] = { + { 48000, 0 }, + { 44100, 0 }, + { 32000, 1 }, + { 22050, 2 }, + { 24000, 2 }, + { 16000, 3 }, + { 11025, 4 }, + { 12000, 4 }, + { 8000, 5 }, + { 88200, 6 }, + { 96000, 6 }, +}; + +static const int sysclk_rates[] = { + 64, 128, 192, 256, 384, 512, 768, 1024, 1408, 1536, +}; + +static int wm8962_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 wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); + int rate = params_rate(params); + int i; + int aif0 = 0; + int adctl3 = 0; + int clocking4 = 0; + + wm8962->bclk = snd_soc_params_to_bclk(params); + wm8962->lrclk = params_rate(params); + + for (i = 0; i < ARRAY_SIZE(sr_vals); i++) { + if (sr_vals[i].rate == rate) { + adctl3 |= sr_vals[i].reg; + break; + } + } + if (i == ARRAY_SIZE(sr_vals)) { + dev_err(codec->dev, "Unsupported rate %dHz\n", rate); + return -EINVAL; + } + + if (rate % 8000 == 0) + adctl3 |= WM8962_SAMPLE_RATE_INT_MODE; + + for (i = 0; i < ARRAY_SIZE(sysclk_rates); i++) { + if (sysclk_rates[i] == wm8962->sysclk_rate / rate) { + clocking4 |= i << WM8962_SYSCLK_RATE_SHIFT; + break; + } + } + if (i == ARRAY_SIZE(sysclk_rates)) { + dev_err(codec->dev, "Unsupported sysclk ratio %d\n", + wm8962->sysclk_rate / rate); + return -EINVAL; + } + + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + break; + case SNDRV_PCM_FORMAT_S20_3LE: + aif0 |= 0x40; + break; + case SNDRV_PCM_FORMAT_S24_LE: + aif0 |= 0x80; + break; + case SNDRV_PCM_FORMAT_S32_LE: + aif0 |= 0xc0; + break; + default: + return -EINVAL; + } + + snd_soc_update_bits(codec, WM8962_AUDIO_INTERFACE_0, + WM8962_WL_MASK, aif0); + snd_soc_update_bits(codec, WM8962_ADDITIONAL_CONTROL_3, + WM8962_SAMPLE_RATE_INT_MODE | + WM8962_SAMPLE_RATE_MASK, adctl3); + snd_soc_update_bits(codec, WM8962_CLOCKING_4, + WM8962_SYSCLK_RATE_MASK, clocking4); + + wm8962_configure_bclk(codec); + + return 0; +} + +static int wm8962_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, + unsigned int freq, int dir) +{ + struct snd_soc_codec *codec = dai->codec; + struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); + int src; + + switch (clk_id) { + case WM8962_SYSCLK_MCLK: + wm8962->sysclk = WM8962_SYSCLK_MCLK; + src = 0; + break; + case WM8962_SYSCLK_FLL: + wm8962->sysclk = WM8962_SYSCLK_FLL; + src = 1 << WM8962_SYSCLK_SRC_SHIFT; + WARN_ON(freq != wm8962->fll_fout); + break; + default: + return -EINVAL; + } + + snd_soc_update_bits(codec, WM8962_CLOCKING2, WM8962_SYSCLK_SRC_MASK, + src); + + wm8962->sysclk_rate = freq; + + return 0; +} + +static int wm8962_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct snd_soc_codec *codec = dai->codec; + int aif0 = 0; + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_A: + aif0 |= WM8962_LRCLK_INV; + case SND_SOC_DAIFMT_DSP_B: + aif0 |= 3; + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + case SND_SOC_DAIFMT_IB_NF: + break; + default: + return -EINVAL; + } + break; + + case SND_SOC_DAIFMT_RIGHT_J: + break; + case SND_SOC_DAIFMT_LEFT_J: + aif0 |= 1; + break; + case SND_SOC_DAIFMT_I2S: + aif0 |= 2; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_NF: + aif0 |= WM8962_BCLK_INV; + break; + case SND_SOC_DAIFMT_NB_IF: + aif0 |= WM8962_LRCLK_INV; + break; + case SND_SOC_DAIFMT_IB_IF: + aif0 |= WM8962_BCLK_INV | WM8962_LRCLK_INV; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + aif0 |= WM8962_MSTR; + break; + case SND_SOC_DAIFMT_CBS_CFS: + break; + default: + return -EINVAL; + } + + snd_soc_update_bits(codec, WM8962_AUDIO_INTERFACE_0, + WM8962_FMT_MASK | WM8962_BCLK_INV | WM8962_MSTR | + WM8962_LRCLK_INV, aif0); + + return 0; +} + +struct _fll_div { + u16 fll_fratio; + u16 fll_outdiv; + u16 fll_refclk_div; + u16 n; + u16 theta; + u16 lambda; +}; + +/* The size in bits of the FLL divide multiplied by 10 + * to allow rounding later */ +#define FIXED_FLL_SIZE ((1 << 16) * 10) + +static struct { + unsigned int min; + unsigned int max; + u16 fll_fratio; + int ratio; +} fll_fratios[] = { + { 0, 64000, 4, 16 }, + { 64000, 128000, 3, 8 }, + { 128000, 256000, 2, 4 }, + { 256000, 1000000, 1, 2 }, + { 1000000, 13500000, 0, 1 }, +}; + +static int fll_factors(struct _fll_div *fll_div, unsigned int Fref, + unsigned int Fout) +{ + unsigned int target; + unsigned int div; + unsigned int fratio, gcd_fll; + int i; + + /* Fref must be <=13.5MHz */ + div = 1; + fll_div->fll_refclk_div = 0; + while ((Fref / div) > 13500000) { + div *= 2; + fll_div->fll_refclk_div++; + + if (div > 4) { + pr_err("Can't scale %dMHz input down to <=13.5MHz\n", + Fref); + return -EINVAL; + } + } + + pr_debug("FLL Fref=%u Fout=%u\n", Fref, Fout); + + /* Apply the division for our remaining calculations */ + Fref /= div; + + /* Fvco should be 90-100MHz; don't check the upper bound */ + div = 2; + while (Fout * div < 90000000) { + div++; + if (div > 64) { + pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n", + Fout); + return -EINVAL; + } + } + target = Fout * div; + fll_div->fll_outdiv = div - 1; + + pr_debug("FLL Fvco=%dHz\n", target); + + /* Find an appropraite FLL_FRATIO and factor it out of the target */ + for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) { + if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) { + fll_div->fll_fratio = fll_fratios[i].fll_fratio; + fratio = fll_fratios[i].ratio; + break; + } + } + if (i == ARRAY_SIZE(fll_fratios)) { + pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref); + return -EINVAL; + } + + fll_div->n = target / (fratio * Fref); + + if (target % Fref == 0) { + fll_div->theta = 0; + fll_div->lambda = 0; + } else { + gcd_fll = gcd(target, fratio * Fref); + + fll_div->theta = (target - (fll_div->n * fratio * Fref)) + / gcd_fll; + fll_div->lambda = (fratio * Fref) / gcd_fll; + } + + pr_debug("FLL N=%x THETA=%x LAMBDA=%x\n", + fll_div->n, fll_div->theta, fll_div->lambda); + pr_debug("FLL_FRATIO=%x FLL_OUTDIV=%x FLL_REFCLK_DIV=%x\n", + fll_div->fll_fratio, fll_div->fll_outdiv, + fll_div->fll_refclk_div); + + return 0; +} + +static int wm8962_set_fll(struct snd_soc_dai *dai, int fll_id, int source, + unsigned int Fref, unsigned int Fout) +{ + struct snd_soc_codec *codec = dai->codec; + struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); + struct _fll_div fll_div; + int ret; + int fll1 = snd_soc_read(codec, WM8962_FLL_CONTROL_1); + + /* Any change? */ + if (source == wm8962->fll_src && Fref == wm8962->fll_fref && + Fout == wm8962->fll_fout) + return 0; + + if (Fout == 0) { + dev_dbg(codec->dev, "FLL disabled\n"); + + wm8962->fll_fref = 0; + wm8962->fll_fout = 0; + + snd_soc_update_bits(codec, WM8962_FLL_CONTROL_1, + WM8962_FLL_ENA, 0); + + return 0; + } + + ret = fll_factors(&fll_div, Fref, Fout); + if (ret != 0) + return ret; + + switch (fll_id) { + case WM8962_FLL_MCLK: + case WM8962_FLL_BCLK: + case WM8962_FLL_OSC: + fll1 |= (fll_id - 1) << WM8962_FLL_REFCLK_SRC_SHIFT; + break; + case WM8962_FLL_INT: + snd_soc_update_bits(codec, WM8962_FLL_CONTROL_1, + WM8962_FLL_OSC_ENA, WM8962_FLL_OSC_ENA); + snd_soc_update_bits(codec, WM8962_FLL_CONTROL_5, + WM8962_FLL_FRC_NCO, WM8962_FLL_FRC_NCO); + break; + default: + dev_err(codec->dev, "Unknown FLL source %d\n", ret); + return -EINVAL; + } + + if (fll_div.theta || fll_div.lambda) + fll1 |= WM8962_FLL_FRAC; + + /* Stop the FLL while we reconfigure */ + snd_soc_update_bits(codec, WM8962_FLL_CONTROL_1, WM8962_FLL_ENA, 0); + + snd_soc_update_bits(codec, WM8962_FLL_CONTROL_2, + WM8962_FLL_OUTDIV_MASK | + WM8962_FLL_REFCLK_DIV_MASK, + (fll_div.fll_outdiv << WM8962_FLL_OUTDIV_SHIFT) | + (fll_div.fll_refclk_div)); + + snd_soc_update_bits(codec, WM8962_FLL_CONTROL_3, + WM8962_FLL_FRATIO_MASK, fll_div.fll_fratio); + + snd_soc_write(codec, WM8962_FLL_CONTROL_6, fll_div.theta); + snd_soc_write(codec, WM8962_FLL_CONTROL_7, fll_div.lambda); + snd_soc_write(codec, WM8962_FLL_CONTROL_8, fll_div.n); + + snd_soc_update_bits(codec, WM8962_FLL_CONTROL_1, + WM8962_FLL_FRAC | WM8962_FLL_REFCLK_SRC_MASK | + WM8962_FLL_ENA, fll1); + + dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout); + + wm8962->fll_fref = Fref; + wm8962->fll_fout = Fout; + wm8962->fll_src = source; + + return 0; +} + +static int wm8962_mute(struct snd_soc_dai *dai, int mute) +{ + struct snd_soc_codec *codec = dai->codec; + int val; + + if (mute) + val = WM8962_DAC_MUTE; + else + val = 0; + + return snd_soc_update_bits(codec, WM8962_ADC_DAC_CONTROL_1, + WM8962_DAC_MUTE, val); +} + +#define WM8962_RATES SNDRV_PCM_RATE_8000_96000 + +#define WM8962_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) + +static struct snd_soc_dai_ops wm8962_dai_ops = { + .hw_params = wm8962_hw_params, + .set_sysclk = wm8962_set_dai_sysclk, + .set_fmt = wm8962_set_dai_fmt, + .set_pll = wm8962_set_fll, + .digital_mute = wm8962_mute, +}; + +static struct snd_soc_dai_driver wm8962_dai = { + .name = "wm8962", + .playback = { + .stream_name = "Playback", + .channels_min = 2, + .channels_max = 2, + .rates = WM8962_RATES, + .formats = WM8962_FORMATS, + }, + .capture = { + .stream_name = "Capture", + .channels_min = 2, + .channels_max = 2, + .rates = WM8962_RATES, + .formats = WM8962_FORMATS, + }, + .ops = &wm8962_dai_ops, + .symmetric_rates = 1, +}; + +#ifdef CONFIG_PM +static int wm8962_resume(struct snd_soc_codec *codec) +{ + struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); + u16 *reg_cache = codec->reg_cache; + int i; + + /* Restore the registers */ + for (i = 1; i < ARRAY_SIZE(wm8962->reg_cache); i++) { + switch (i) { + case WM8962_SOFTWARE_RESET: + continue; + default: + break; + } + + if (reg_cache[i] != wm8962_reg[i]) + snd_soc_write(codec, i, reg_cache[i]); + } + + return 0; +} +#else +#define wm8962_resume NULL +#endif + +#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE) +static int beep_rates[] = { + 500, 1000, 2000, 4000, +}; + +static void wm8962_beep_work(struct work_struct *work) +{ + struct wm8962_priv *wm8962 = + container_of(work, struct wm8962_priv, beep_work); + struct snd_soc_codec *codec = wm8962->codec; + int i; + int reg = 0; + int best = 0; + + if (wm8962->beep_rate) { + for (i = 0; i < ARRAY_SIZE(beep_rates); i++) { + if (abs(wm8962->beep_rate - beep_rates[i]) < + abs(wm8962->beep_rate - beep_rates[best])) + best = i; + } + + dev_dbg(codec->dev, "Set beep rate %dHz for requested %dHz\n", + beep_rates[best], wm8962->beep_rate); + + reg = WM8962_BEEP_ENA | (best << WM8962_BEEP_RATE_SHIFT); + + snd_soc_dapm_enable_pin(codec, "Beep"); + } else { + dev_dbg(codec->dev, "Disabling beep\n"); + snd_soc_dapm_disable_pin(codec, "Beep"); + } + + snd_soc_update_bits(codec, WM8962_BEEP_GENERATOR_1, + WM8962_BEEP_ENA | WM8962_BEEP_RATE_MASK, reg); + + snd_soc_dapm_sync(codec); +} + +/* For usability define a way of injecting beep events for the device - + * many systems will not have a keyboard. + */ +static int wm8962_beep_event(struct input_dev *dev, unsigned int type, + unsigned int code, int hz) +{ + struct snd_soc_codec *codec = input_get_drvdata(dev); + struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); + + dev_dbg(codec->dev, "Beep event %x %x\n", code, hz); + + switch (code) { + case SND_BELL: + if (hz) + hz = 1000; + case SND_TONE: + break; + default: + return -1; + } + + /* Kick the beep from a workqueue */ + wm8962->beep_rate = hz; + schedule_work(&wm8962->beep_work); + return 0; +} + +static ssize_t wm8962_beep_set(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct wm8962_priv *wm8962 = dev_get_drvdata(dev); + long int time; + + strict_strtol(buf, 10, &time); + + input_event(wm8962->beep, EV_SND, SND_TONE, time); + + return count; +} + +static DEVICE_ATTR(beep, 0200, NULL, wm8962_beep_set); + +static void wm8962_init_beep(struct snd_soc_codec *codec) +{ + struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); + int ret; + + wm8962->beep = input_allocate_device(); + if (!wm8962->beep) { + dev_err(codec->dev, "Failed to allocate beep device\n"); + return; + } + + INIT_WORK(&wm8962->beep_work, wm8962_beep_work); + wm8962->beep_rate = 0; + + wm8962->beep->name = "WM8962 Beep Generator"; + wm8962->beep->phys = dev_name(codec->dev); + wm8962->beep->id.bustype = BUS_I2C; + + wm8962->beep->evbit[0] = BIT_MASK(EV_SND); + wm8962->beep->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE); + wm8962->beep->event = wm8962_beep_event; + wm8962->beep->dev.parent = codec->dev; + input_set_drvdata(wm8962->beep, codec); + + ret = input_register_device(wm8962->beep); + if (ret != 0) { + input_free_device(wm8962->beep); + wm8962->beep = NULL; + dev_err(codec->dev, "Failed to register beep device\n"); + } + + ret = device_create_file(codec->dev, &dev_attr_beep); + if (ret != 0) { + dev_err(codec->dev, "Failed to create keyclick file: %d\n", + ret); + } +} + +static void wm8962_free_beep(struct snd_soc_codec *codec) +{ + struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); + + device_remove_file(codec->dev, &dev_attr_beep); + input_unregister_device(wm8962->beep); + cancel_work_sync(&wm8962->beep_work); + wm8962->beep = NULL; + + snd_soc_update_bits(codec, WM8962_BEEP_GENERATOR_1, WM8962_BEEP_ENA,0); +} +#else +static void wm8962_init_beep(struct snd_soc_codec *codec) +{ +} + +static void wm8962_free_beep(struct snd_soc_codec *codec) +{ +} +#endif + +static int wm8962_probe(struct snd_soc_codec *codec) +{ + int ret; + struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); + struct wm8962_pdata *pdata = dev_get_platdata(codec->dev); + int i; + + wm8962->codec = codec; + + codec->cache_sync = 1; + codec->idle_bias_off = 1; + + ret = snd_soc_codec_set_cache_io(codec, 16, 16, SND_SOC_I2C); + if (ret != 0) { + dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); + goto err; + } + + for (i = 0; i < ARRAY_SIZE(wm8962->supplies); i++) + wm8962->supplies[i].supply = wm8962_supply_names[i]; + + ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8962->supplies), + wm8962->supplies); + if (ret != 0) { + dev_err(codec->dev, "Failed to request supplies: %d\n", ret); + goto err; + } + + wm8962->disable_nb[0].notifier_call = wm8962_regulator_event_0; + wm8962->disable_nb[1].notifier_call = wm8962_regulator_event_1; + wm8962->disable_nb[2].notifier_call = wm8962_regulator_event_2; + wm8962->disable_nb[3].notifier_call = wm8962_regulator_event_3; + wm8962->disable_nb[4].notifier_call = wm8962_regulator_event_4; + wm8962->disable_nb[5].notifier_call = wm8962_regulator_event_5; + wm8962->disable_nb[6].notifier_call = wm8962_regulator_event_6; + wm8962->disable_nb[7].notifier_call = wm8962_regulator_event_7; + + /* This should really be moved into the regulator core */ + for (i = 0; i < ARRAY_SIZE(wm8962->supplies); i++) { + ret = regulator_register_notifier(wm8962->supplies[i].consumer, + &wm8962->disable_nb[i]); + if (ret != 0) { + dev_err(codec->dev, + "Failed to register regulator notifier: %d\n", + ret); + } + } + + ret = regulator_bulk_enable(ARRAY_SIZE(wm8962->supplies), + wm8962->supplies); + if (ret != 0) { + dev_err(codec->dev, "Failed to enable supplies: %d\n", ret); + goto err_get; + } + + ret = snd_soc_read(codec, WM8962_SOFTWARE_RESET); + if (ret < 0) { + dev_err(codec->dev, "Failed to read ID register\n"); + goto err_enable; + } + if (ret != wm8962_reg[WM8962_SOFTWARE_RESET]) { + dev_err(codec->dev, "Device is not a WM8962, ID %x != %x\n", + ret, wm8962_reg[WM8962_SOFTWARE_RESET]); + ret = -EINVAL; + goto err_enable; + } + + ret = snd_soc_read(codec, WM8962_RIGHT_INPUT_VOLUME); + if (ret < 0) { + dev_err(codec->dev, "Failed to read device revision: %d\n", + ret); + goto err_enable; + } + + dev_info(codec->dev, "customer id %x revision %c\n", + (ret & WM8962_CUST_ID_MASK) >> WM8962_CUST_ID_SHIFT, + ((ret & WM8962_CHIP_REV_MASK) >> WM8962_CHIP_REV_SHIFT) + + 'A'); + + ret = wm8962_reset(codec); + if (ret < 0) { + dev_err(codec->dev, "Failed to issue reset\n"); + goto err_enable; + } + + /* SYSCLK defaults to on; make sure it is off so we can safely + * write to registers if the device is declocked. + */ + snd_soc_update_bits(codec, WM8962_CLOCKING2, WM8962_SYSCLK_ENA, 0); + + regulator_bulk_disable(ARRAY_SIZE(wm8962->supplies), wm8962->supplies); + + if (pdata) { + /* Apply static configuration for GPIOs */ + for (i = 0; i < ARRAY_SIZE(pdata->gpio_init); i++) + if (pdata->gpio_init[i]) + snd_soc_write(codec, 0x200 + i, + pdata->gpio_init[i] & 0xffff); + + /* Put the speakers into mono mode? */ + if (pdata->spk_mono) + wm8962->reg_cache[WM8962_CLASS_D_CONTROL_2] + |= WM8962_SPK_MONO; + } + + /* Latch volume update bits */ + wm8962->reg_cache[WM8962_LEFT_INPUT_VOLUME] |= WM8962_IN_VU; + wm8962->reg_cache[WM8962_RIGHT_INPUT_VOLUME] |= WM8962_IN_VU; + wm8962->reg_cache[WM8962_LEFT_ADC_VOLUME] |= WM8962_ADC_VU; + wm8962->reg_cache[WM8962_RIGHT_ADC_VOLUME] |= WM8962_ADC_VU; + wm8962->reg_cache[WM8962_LEFT_DAC_VOLUME] |= WM8962_DAC_VU; + wm8962->reg_cache[WM8962_RIGHT_DAC_VOLUME] |= WM8962_DAC_VU; + wm8962->reg_cache[WM8962_SPKOUTL_VOLUME] |= WM8962_SPKOUT_VU; + wm8962->reg_cache[WM8962_SPKOUTR_VOLUME] |= WM8962_SPKOUT_VU; + wm8962->reg_cache[WM8962_HPOUTL_VOLUME] |= WM8962_HPOUT_VU; + wm8962->reg_cache[WM8962_HPOUTR_VOLUME] |= WM8962_HPOUT_VU; + + snd_soc_add_controls(codec, wm8962_snd_controls, + ARRAY_SIZE(wm8962_snd_controls)); + wm8962_add_widgets(codec); + + wm8962_init_beep(codec); + + return 0; + +err_enable: + regulator_bulk_disable(ARRAY_SIZE(wm8962->supplies), wm8962->supplies); +err_get: + regulator_bulk_free(ARRAY_SIZE(wm8962->supplies), wm8962->supplies); +err: + kfree(wm8962); + return ret; +} + +static int wm8962_remove(struct snd_soc_codec *codec) +{ + struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); + int i; + + wm8962_free_beep(codec); + for (i = 0; i < ARRAY_SIZE(wm8962->supplies); i++) + regulator_unregister_notifier(wm8962->supplies[i].consumer, + &wm8962->disable_nb[i]); + regulator_bulk_free(ARRAY_SIZE(wm8962->supplies), wm8962->supplies); + + return 0; +} + +static struct snd_soc_codec_driver soc_codec_dev_wm8962 = { + .probe = wm8962_probe, + .remove = wm8962_remove, + .resume = wm8962_resume, + .set_bias_level = wm8962_set_bias_level, + .reg_cache_size = WM8962_MAX_REGISTER, + .reg_word_size = sizeof(u16), + .reg_cache_default = wm8962_reg, + .volatile_register = wm8962_volatile_register, + .readable_register = wm8962_readable_register, +}; + +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) +static __devinit int wm8962_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + struct wm8962_priv *wm8962; + int ret; + + wm8962 = kzalloc(sizeof(struct wm8962_priv), GFP_KERNEL); + if (wm8962 == NULL) + return -ENOMEM; + + i2c_set_clientdata(i2c, wm8962); + + ret = snd_soc_register_codec(&i2c->dev, + &soc_codec_dev_wm8962, &wm8962_dai, 1); + if (ret < 0) + kfree(wm8962); + + return ret; +} + +static __devexit int wm8962_i2c_remove(struct i2c_client *client) +{ + snd_soc_unregister_codec(&client->dev); + kfree(i2c_get_clientdata(client)); + return 0; +} + +static const struct i2c_device_id wm8962_i2c_id[] = { + { "wm8962", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, wm8962_i2c_id); + +static struct i2c_driver wm8962_i2c_driver = { + .driver = { + .name = "WM8962", + .owner = THIS_MODULE, + }, + .probe = wm8962_i2c_probe, + .remove = __devexit_p(wm8962_i2c_remove), + .id_table = wm8962_i2c_id, +}; +#endif + +static int __init wm8962_modinit(void) +{ + int ret; +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) + ret = i2c_add_driver(&wm8962_i2c_driver); + if (ret != 0) { + printk(KERN_ERR "Failed to register WM8962 I2C driver: %d\n", + ret); + } +#endif + return 0; +} +module_init(wm8962_modinit); + +static void __exit wm8962_exit(void) +{ +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) + i2c_del_driver(&wm8962_i2c_driver); +#endif +} +module_exit(wm8962_exit); + +MODULE_DESCRIPTION("ASoC WM8962 driver"); +MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); +MODULE_LICENSE("GPL"); |
