diff options
Diffstat (limited to 'kernel/sound/soc/codecs/arizona.c')
| -rw-r--r-- | kernel/sound/soc/codecs/arizona.c | 2145 |
1 files changed, 2145 insertions, 0 deletions
diff --git a/kernel/sound/soc/codecs/arizona.c b/kernel/sound/soc/codecs/arizona.c new file mode 100644 index 000000000..eff4b4d51 --- /dev/null +++ b/kernel/sound/soc/codecs/arizona.c @@ -0,0 +1,2145 @@ +/* + * arizona.c - Wolfson Arizona class device shared support + * + * Copyright 2012 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/delay.h> +#include <linux/gcd.h> +#include <linux/module.h> +#include <linux/pm_runtime.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/tlv.h> + +#include <linux/mfd/arizona/core.h> +#include <linux/mfd/arizona/registers.h> + +#include "arizona.h" + +#define ARIZONA_AIF_BCLK_CTRL 0x00 +#define ARIZONA_AIF_TX_PIN_CTRL 0x01 +#define ARIZONA_AIF_RX_PIN_CTRL 0x02 +#define ARIZONA_AIF_RATE_CTRL 0x03 +#define ARIZONA_AIF_FORMAT 0x04 +#define ARIZONA_AIF_TX_BCLK_RATE 0x05 +#define ARIZONA_AIF_RX_BCLK_RATE 0x06 +#define ARIZONA_AIF_FRAME_CTRL_1 0x07 +#define ARIZONA_AIF_FRAME_CTRL_2 0x08 +#define ARIZONA_AIF_FRAME_CTRL_3 0x09 +#define ARIZONA_AIF_FRAME_CTRL_4 0x0A +#define ARIZONA_AIF_FRAME_CTRL_5 0x0B +#define ARIZONA_AIF_FRAME_CTRL_6 0x0C +#define ARIZONA_AIF_FRAME_CTRL_7 0x0D +#define ARIZONA_AIF_FRAME_CTRL_8 0x0E +#define ARIZONA_AIF_FRAME_CTRL_9 0x0F +#define ARIZONA_AIF_FRAME_CTRL_10 0x10 +#define ARIZONA_AIF_FRAME_CTRL_11 0x11 +#define ARIZONA_AIF_FRAME_CTRL_12 0x12 +#define ARIZONA_AIF_FRAME_CTRL_13 0x13 +#define ARIZONA_AIF_FRAME_CTRL_14 0x14 +#define ARIZONA_AIF_FRAME_CTRL_15 0x15 +#define ARIZONA_AIF_FRAME_CTRL_16 0x16 +#define ARIZONA_AIF_FRAME_CTRL_17 0x17 +#define ARIZONA_AIF_FRAME_CTRL_18 0x18 +#define ARIZONA_AIF_TX_ENABLES 0x19 +#define ARIZONA_AIF_RX_ENABLES 0x1A +#define ARIZONA_AIF_FORCE_WRITE 0x1B + +#define ARIZONA_FLL_VCO_CORNER 141900000 +#define ARIZONA_FLL_MAX_FREF 13500000 +#define ARIZONA_FLL_MIN_FVCO 90000000 +#define ARIZONA_FLL_MAX_FRATIO 16 +#define ARIZONA_FLL_MAX_REFDIV 8 +#define ARIZONA_FLL_MIN_OUTDIV 2 +#define ARIZONA_FLL_MAX_OUTDIV 7 + +#define ARIZONA_FMT_DSP_MODE_A 0 +#define ARIZONA_FMT_DSP_MODE_B 1 +#define ARIZONA_FMT_I2S_MODE 2 +#define ARIZONA_FMT_LEFT_JUSTIFIED_MODE 3 + +#define arizona_fll_err(_fll, fmt, ...) \ + dev_err(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) +#define arizona_fll_warn(_fll, fmt, ...) \ + dev_warn(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) +#define arizona_fll_dbg(_fll, fmt, ...) \ + dev_dbg(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) + +#define arizona_aif_err(_dai, fmt, ...) \ + dev_err(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) +#define arizona_aif_warn(_dai, fmt, ...) \ + dev_warn(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) +#define arizona_aif_dbg(_dai, fmt, ...) \ + dev_dbg(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) + +static int arizona_spk_ev(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, + int event) +{ + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); + struct arizona *arizona = dev_get_drvdata(codec->dev->parent); + struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); + bool manual_ena = false; + int val; + + switch (arizona->type) { + case WM5102: + switch (arizona->rev) { + case 0: + break; + default: + manual_ena = true; + break; + } + default: + break; + } + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + if (!priv->spk_ena && manual_ena) { + regmap_write_async(arizona->regmap, 0x4f5, 0x25a); + priv->spk_ena_pending = true; + } + break; + case SND_SOC_DAPM_POST_PMU: + val = snd_soc_read(codec, ARIZONA_INTERRUPT_RAW_STATUS_3); + if (val & ARIZONA_SPK_OVERHEAT_STS) { + dev_crit(arizona->dev, + "Speaker not enabled due to temperature\n"); + return -EBUSY; + } + + regmap_update_bits_async(arizona->regmap, + ARIZONA_OUTPUT_ENABLES_1, + 1 << w->shift, 1 << w->shift); + + if (priv->spk_ena_pending) { + msleep(75); + regmap_write_async(arizona->regmap, 0x4f5, 0xda); + priv->spk_ena_pending = false; + priv->spk_ena++; + } + break; + case SND_SOC_DAPM_PRE_PMD: + if (manual_ena) { + priv->spk_ena--; + if (!priv->spk_ena) + regmap_write_async(arizona->regmap, + 0x4f5, 0x25a); + } + + regmap_update_bits_async(arizona->regmap, + ARIZONA_OUTPUT_ENABLES_1, + 1 << w->shift, 0); + break; + case SND_SOC_DAPM_POST_PMD: + if (manual_ena) { + if (!priv->spk_ena) + regmap_write_async(arizona->regmap, + 0x4f5, 0x0da); + } + break; + } + + return 0; +} + +static irqreturn_t arizona_thermal_warn(int irq, void *data) +{ + struct arizona *arizona = data; + unsigned int val; + int ret; + + ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_3, + &val); + if (ret != 0) { + dev_err(arizona->dev, "Failed to read thermal status: %d\n", + ret); + } else if (val & ARIZONA_SPK_OVERHEAT_WARN_STS) { + dev_crit(arizona->dev, "Thermal warning\n"); + } + + return IRQ_HANDLED; +} + +static irqreturn_t arizona_thermal_shutdown(int irq, void *data) +{ + struct arizona *arizona = data; + unsigned int val; + int ret; + + ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_3, + &val); + if (ret != 0) { + dev_err(arizona->dev, "Failed to read thermal status: %d\n", + ret); + } else if (val & ARIZONA_SPK_OVERHEAT_STS) { + dev_crit(arizona->dev, "Thermal shutdown\n"); + ret = regmap_update_bits(arizona->regmap, + ARIZONA_OUTPUT_ENABLES_1, + ARIZONA_OUT4L_ENA | + ARIZONA_OUT4R_ENA, 0); + if (ret != 0) + dev_crit(arizona->dev, + "Failed to disable speaker outputs: %d\n", + ret); + } + + return IRQ_HANDLED; +} + +static const struct snd_soc_dapm_widget arizona_spkl = + SND_SOC_DAPM_PGA_E("OUT4L", SND_SOC_NOPM, + ARIZONA_OUT4L_ENA_SHIFT, 0, NULL, 0, arizona_spk_ev, + SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU); + +static const struct snd_soc_dapm_widget arizona_spkr = + SND_SOC_DAPM_PGA_E("OUT4R", SND_SOC_NOPM, + ARIZONA_OUT4R_ENA_SHIFT, 0, NULL, 0, arizona_spk_ev, + SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU); + +int arizona_init_spk(struct snd_soc_codec *codec) +{ + struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); + struct arizona *arizona = priv->arizona; + int ret; + + ret = snd_soc_dapm_new_controls(&codec->dapm, &arizona_spkl, 1); + if (ret != 0) + return ret; + + switch (arizona->type) { + case WM8997: + break; + default: + ret = snd_soc_dapm_new_controls(&codec->dapm, + &arizona_spkr, 1); + if (ret != 0) + return ret; + break; + } + + ret = arizona_request_irq(arizona, ARIZONA_IRQ_SPK_OVERHEAT_WARN, + "Thermal warning", arizona_thermal_warn, + arizona); + if (ret != 0) + dev_err(arizona->dev, + "Failed to get thermal warning IRQ: %d\n", + ret); + + ret = arizona_request_irq(arizona, ARIZONA_IRQ_SPK_OVERHEAT, + "Thermal shutdown", arizona_thermal_shutdown, + arizona); + if (ret != 0) + dev_err(arizona->dev, + "Failed to get thermal shutdown IRQ: %d\n", + ret); + + return 0; +} +EXPORT_SYMBOL_GPL(arizona_init_spk); + +static const struct snd_soc_dapm_route arizona_mono_routes[] = { + { "OUT1R", NULL, "OUT1L" }, + { "OUT2R", NULL, "OUT2L" }, + { "OUT3R", NULL, "OUT3L" }, + { "OUT4R", NULL, "OUT4L" }, + { "OUT5R", NULL, "OUT5L" }, + { "OUT6R", NULL, "OUT6L" }, +}; + +int arizona_init_mono(struct snd_soc_codec *codec) +{ + struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); + struct arizona *arizona = priv->arizona; + int i; + + for (i = 0; i < ARIZONA_MAX_OUTPUT; ++i) { + if (arizona->pdata.out_mono[i]) + snd_soc_dapm_add_routes(&codec->dapm, + &arizona_mono_routes[i], 1); + } + + return 0; +} +EXPORT_SYMBOL_GPL(arizona_init_mono); + +int arizona_init_gpio(struct snd_soc_codec *codec) +{ + struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); + struct arizona *arizona = priv->arizona; + int i; + + switch (arizona->type) { + case WM5110: + case WM8280: + snd_soc_dapm_disable_pin(&codec->dapm, "DRC2 Signal Activity"); + break; + default: + break; + } + + snd_soc_dapm_disable_pin(&codec->dapm, "DRC1 Signal Activity"); + + for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) { + switch (arizona->pdata.gpio_defaults[i] & ARIZONA_GPN_FN_MASK) { + case ARIZONA_GP_FN_DRC1_SIGNAL_DETECT: + snd_soc_dapm_enable_pin(&codec->dapm, + "DRC1 Signal Activity"); + break; + case ARIZONA_GP_FN_DRC2_SIGNAL_DETECT: + snd_soc_dapm_enable_pin(&codec->dapm, + "DRC2 Signal Activity"); + break; + default: + break; + } + } + + return 0; +} +EXPORT_SYMBOL_GPL(arizona_init_gpio); + +const char *arizona_mixer_texts[ARIZONA_NUM_MIXER_INPUTS] = { + "None", + "Tone Generator 1", + "Tone Generator 2", + "Haptics", + "AEC", + "Mic Mute Mixer", + "Noise Generator", + "IN1L", + "IN1R", + "IN2L", + "IN2R", + "IN3L", + "IN3R", + "IN4L", + "IN4R", + "AIF1RX1", + "AIF1RX2", + "AIF1RX3", + "AIF1RX4", + "AIF1RX5", + "AIF1RX6", + "AIF1RX7", + "AIF1RX8", + "AIF2RX1", + "AIF2RX2", + "AIF2RX3", + "AIF2RX4", + "AIF2RX5", + "AIF2RX6", + "AIF3RX1", + "AIF3RX2", + "SLIMRX1", + "SLIMRX2", + "SLIMRX3", + "SLIMRX4", + "SLIMRX5", + "SLIMRX6", + "SLIMRX7", + "SLIMRX8", + "EQ1", + "EQ2", + "EQ3", + "EQ4", + "DRC1L", + "DRC1R", + "DRC2L", + "DRC2R", + "LHPF1", + "LHPF2", + "LHPF3", + "LHPF4", + "DSP1.1", + "DSP1.2", + "DSP1.3", + "DSP1.4", + "DSP1.5", + "DSP1.6", + "DSP2.1", + "DSP2.2", + "DSP2.3", + "DSP2.4", + "DSP2.5", + "DSP2.6", + "DSP3.1", + "DSP3.2", + "DSP3.3", + "DSP3.4", + "DSP3.5", + "DSP3.6", + "DSP4.1", + "DSP4.2", + "DSP4.3", + "DSP4.4", + "DSP4.5", + "DSP4.6", + "ASRC1L", + "ASRC1R", + "ASRC2L", + "ASRC2R", + "ISRC1INT1", + "ISRC1INT2", + "ISRC1INT3", + "ISRC1INT4", + "ISRC1DEC1", + "ISRC1DEC2", + "ISRC1DEC3", + "ISRC1DEC4", + "ISRC2INT1", + "ISRC2INT2", + "ISRC2INT3", + "ISRC2INT4", + "ISRC2DEC1", + "ISRC2DEC2", + "ISRC2DEC3", + "ISRC2DEC4", + "ISRC3INT1", + "ISRC3INT2", + "ISRC3INT3", + "ISRC3INT4", + "ISRC3DEC1", + "ISRC3DEC2", + "ISRC3DEC3", + "ISRC3DEC4", +}; +EXPORT_SYMBOL_GPL(arizona_mixer_texts); + +int arizona_mixer_values[ARIZONA_NUM_MIXER_INPUTS] = { + 0x00, /* None */ + 0x04, /* Tone */ + 0x05, + 0x06, /* Haptics */ + 0x08, /* AEC */ + 0x0c, /* Noise mixer */ + 0x0d, /* Comfort noise */ + 0x10, /* IN1L */ + 0x11, + 0x12, + 0x13, + 0x14, + 0x15, + 0x16, + 0x17, + 0x20, /* AIF1RX1 */ + 0x21, + 0x22, + 0x23, + 0x24, + 0x25, + 0x26, + 0x27, + 0x28, /* AIF2RX1 */ + 0x29, + 0x2a, + 0x2b, + 0x2c, + 0x2d, + 0x30, /* AIF3RX1 */ + 0x31, + 0x38, /* SLIMRX1 */ + 0x39, + 0x3a, + 0x3b, + 0x3c, + 0x3d, + 0x3e, + 0x3f, + 0x50, /* EQ1 */ + 0x51, + 0x52, + 0x53, + 0x58, /* DRC1L */ + 0x59, + 0x5a, + 0x5b, + 0x60, /* LHPF1 */ + 0x61, + 0x62, + 0x63, + 0x68, /* DSP1.1 */ + 0x69, + 0x6a, + 0x6b, + 0x6c, + 0x6d, + 0x70, /* DSP2.1 */ + 0x71, + 0x72, + 0x73, + 0x74, + 0x75, + 0x78, /* DSP3.1 */ + 0x79, + 0x7a, + 0x7b, + 0x7c, + 0x7d, + 0x80, /* DSP4.1 */ + 0x81, + 0x82, + 0x83, + 0x84, + 0x85, + 0x90, /* ASRC1L */ + 0x91, + 0x92, + 0x93, + 0xa0, /* ISRC1INT1 */ + 0xa1, + 0xa2, + 0xa3, + 0xa4, /* ISRC1DEC1 */ + 0xa5, + 0xa6, + 0xa7, + 0xa8, /* ISRC2DEC1 */ + 0xa9, + 0xaa, + 0xab, + 0xac, /* ISRC2INT1 */ + 0xad, + 0xae, + 0xaf, + 0xb0, /* ISRC3DEC1 */ + 0xb1, + 0xb2, + 0xb3, + 0xb4, /* ISRC3INT1 */ + 0xb5, + 0xb6, + 0xb7, +}; +EXPORT_SYMBOL_GPL(arizona_mixer_values); + +const DECLARE_TLV_DB_SCALE(arizona_mixer_tlv, -3200, 100, 0); +EXPORT_SYMBOL_GPL(arizona_mixer_tlv); + +const char *arizona_rate_text[ARIZONA_RATE_ENUM_SIZE] = { + "SYNCCLK rate", "8kHz", "16kHz", "ASYNCCLK rate", +}; +EXPORT_SYMBOL_GPL(arizona_rate_text); + +const int arizona_rate_val[ARIZONA_RATE_ENUM_SIZE] = { + 0, 1, 2, 8, +}; +EXPORT_SYMBOL_GPL(arizona_rate_val); + + +const struct soc_enum arizona_isrc_fsh[] = { + SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_1_CTRL_1, + ARIZONA_ISRC1_FSH_SHIFT, 0xf, + ARIZONA_RATE_ENUM_SIZE, + arizona_rate_text, arizona_rate_val), + SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_2_CTRL_1, + ARIZONA_ISRC2_FSH_SHIFT, 0xf, + ARIZONA_RATE_ENUM_SIZE, + arizona_rate_text, arizona_rate_val), + SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_3_CTRL_1, + ARIZONA_ISRC3_FSH_SHIFT, 0xf, + ARIZONA_RATE_ENUM_SIZE, + arizona_rate_text, arizona_rate_val), +}; +EXPORT_SYMBOL_GPL(arizona_isrc_fsh); + +const struct soc_enum arizona_isrc_fsl[] = { + SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_1_CTRL_2, + ARIZONA_ISRC1_FSL_SHIFT, 0xf, + ARIZONA_RATE_ENUM_SIZE, + arizona_rate_text, arizona_rate_val), + SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_2_CTRL_2, + ARIZONA_ISRC2_FSL_SHIFT, 0xf, + ARIZONA_RATE_ENUM_SIZE, + arizona_rate_text, arizona_rate_val), + SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_3_CTRL_2, + ARIZONA_ISRC3_FSL_SHIFT, 0xf, + ARIZONA_RATE_ENUM_SIZE, + arizona_rate_text, arizona_rate_val), +}; +EXPORT_SYMBOL_GPL(arizona_isrc_fsl); + +const struct soc_enum arizona_asrc_rate1 = + SOC_VALUE_ENUM_SINGLE(ARIZONA_ASRC_RATE1, + ARIZONA_ASRC_RATE1_SHIFT, 0xf, + ARIZONA_RATE_ENUM_SIZE - 1, + arizona_rate_text, arizona_rate_val); +EXPORT_SYMBOL_GPL(arizona_asrc_rate1); + +static const char *arizona_vol_ramp_text[] = { + "0ms/6dB", "0.5ms/6dB", "1ms/6dB", "2ms/6dB", "4ms/6dB", "8ms/6dB", + "15ms/6dB", "30ms/6dB", +}; + +SOC_ENUM_SINGLE_DECL(arizona_in_vd_ramp, + ARIZONA_INPUT_VOLUME_RAMP, + ARIZONA_IN_VD_RAMP_SHIFT, + arizona_vol_ramp_text); +EXPORT_SYMBOL_GPL(arizona_in_vd_ramp); + +SOC_ENUM_SINGLE_DECL(arizona_in_vi_ramp, + ARIZONA_INPUT_VOLUME_RAMP, + ARIZONA_IN_VI_RAMP_SHIFT, + arizona_vol_ramp_text); +EXPORT_SYMBOL_GPL(arizona_in_vi_ramp); + +SOC_ENUM_SINGLE_DECL(arizona_out_vd_ramp, + ARIZONA_OUTPUT_VOLUME_RAMP, + ARIZONA_OUT_VD_RAMP_SHIFT, + arizona_vol_ramp_text); +EXPORT_SYMBOL_GPL(arizona_out_vd_ramp); + +SOC_ENUM_SINGLE_DECL(arizona_out_vi_ramp, + ARIZONA_OUTPUT_VOLUME_RAMP, + ARIZONA_OUT_VI_RAMP_SHIFT, + arizona_vol_ramp_text); +EXPORT_SYMBOL_GPL(arizona_out_vi_ramp); + +static const char *arizona_lhpf_mode_text[] = { + "Low-pass", "High-pass" +}; + +SOC_ENUM_SINGLE_DECL(arizona_lhpf1_mode, + ARIZONA_HPLPF1_1, + ARIZONA_LHPF1_MODE_SHIFT, + arizona_lhpf_mode_text); +EXPORT_SYMBOL_GPL(arizona_lhpf1_mode); + +SOC_ENUM_SINGLE_DECL(arizona_lhpf2_mode, + ARIZONA_HPLPF2_1, + ARIZONA_LHPF2_MODE_SHIFT, + arizona_lhpf_mode_text); +EXPORT_SYMBOL_GPL(arizona_lhpf2_mode); + +SOC_ENUM_SINGLE_DECL(arizona_lhpf3_mode, + ARIZONA_HPLPF3_1, + ARIZONA_LHPF3_MODE_SHIFT, + arizona_lhpf_mode_text); +EXPORT_SYMBOL_GPL(arizona_lhpf3_mode); + +SOC_ENUM_SINGLE_DECL(arizona_lhpf4_mode, + ARIZONA_HPLPF4_1, + ARIZONA_LHPF4_MODE_SHIFT, + arizona_lhpf_mode_text); +EXPORT_SYMBOL_GPL(arizona_lhpf4_mode); + +static const char *arizona_ng_hold_text[] = { + "30ms", "120ms", "250ms", "500ms", +}; + +SOC_ENUM_SINGLE_DECL(arizona_ng_hold, + ARIZONA_NOISE_GATE_CONTROL, + ARIZONA_NGATE_HOLD_SHIFT, + arizona_ng_hold_text); +EXPORT_SYMBOL_GPL(arizona_ng_hold); + +static const char * const arizona_in_hpf_cut_text[] = { + "2.5Hz", "5Hz", "10Hz", "20Hz", "40Hz" +}; + +SOC_ENUM_SINGLE_DECL(arizona_in_hpf_cut_enum, + ARIZONA_HPF_CONTROL, + ARIZONA_IN_HPF_CUT_SHIFT, + arizona_in_hpf_cut_text); +EXPORT_SYMBOL_GPL(arizona_in_hpf_cut_enum); + +static const char * const arizona_in_dmic_osr_text[] = { + "1.536MHz", "3.072MHz", "6.144MHz", "768kHz", +}; + +const struct soc_enum arizona_in_dmic_osr[] = { + SOC_ENUM_SINGLE(ARIZONA_IN1L_CONTROL, ARIZONA_IN1_OSR_SHIFT, + ARRAY_SIZE(arizona_in_dmic_osr_text), + arizona_in_dmic_osr_text), + SOC_ENUM_SINGLE(ARIZONA_IN2L_CONTROL, ARIZONA_IN2_OSR_SHIFT, + ARRAY_SIZE(arizona_in_dmic_osr_text), + arizona_in_dmic_osr_text), + SOC_ENUM_SINGLE(ARIZONA_IN3L_CONTROL, ARIZONA_IN3_OSR_SHIFT, + ARRAY_SIZE(arizona_in_dmic_osr_text), + arizona_in_dmic_osr_text), + SOC_ENUM_SINGLE(ARIZONA_IN4L_CONTROL, ARIZONA_IN4_OSR_SHIFT, + ARRAY_SIZE(arizona_in_dmic_osr_text), + arizona_in_dmic_osr_text), +}; +EXPORT_SYMBOL_GPL(arizona_in_dmic_osr); + +static void arizona_in_set_vu(struct snd_soc_codec *codec, int ena) +{ + struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); + unsigned int val; + int i; + + if (ena) + val = ARIZONA_IN_VU; + else + val = 0; + + for (i = 0; i < priv->num_inputs; i++) + snd_soc_update_bits(codec, + ARIZONA_ADC_DIGITAL_VOLUME_1L + (i * 4), + ARIZONA_IN_VU, val); +} + +int arizona_in_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, + int event) +{ + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); + struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); + unsigned int reg; + + if (w->shift % 2) + reg = ARIZONA_ADC_DIGITAL_VOLUME_1L + ((w->shift / 2) * 8); + else + reg = ARIZONA_ADC_DIGITAL_VOLUME_1R + ((w->shift / 2) * 8); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + priv->in_pending++; + break; + case SND_SOC_DAPM_POST_PMU: + snd_soc_update_bits(codec, reg, ARIZONA_IN1L_MUTE, 0); + + /* If this is the last input pending then allow VU */ + priv->in_pending--; + if (priv->in_pending == 0) { + msleep(1); + arizona_in_set_vu(codec, 1); + } + break; + case SND_SOC_DAPM_PRE_PMD: + snd_soc_update_bits(codec, reg, + ARIZONA_IN1L_MUTE | ARIZONA_IN_VU, + ARIZONA_IN1L_MUTE | ARIZONA_IN_VU); + break; + case SND_SOC_DAPM_POST_PMD: + /* Disable volume updates if no inputs are enabled */ + reg = snd_soc_read(codec, ARIZONA_INPUT_ENABLES); + if (reg == 0) + arizona_in_set_vu(codec, 0); + } + + return 0; +} +EXPORT_SYMBOL_GPL(arizona_in_ev); + +int arizona_out_ev(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, + int event) +{ + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); + struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + switch (w->shift) { + case ARIZONA_OUT1L_ENA_SHIFT: + case ARIZONA_OUT1R_ENA_SHIFT: + case ARIZONA_OUT2L_ENA_SHIFT: + case ARIZONA_OUT2R_ENA_SHIFT: + case ARIZONA_OUT3L_ENA_SHIFT: + case ARIZONA_OUT3R_ENA_SHIFT: + priv->out_up_pending++; + priv->out_up_delay += 17; + break; + default: + break; + } + break; + case SND_SOC_DAPM_POST_PMU: + switch (w->shift) { + case ARIZONA_OUT1L_ENA_SHIFT: + case ARIZONA_OUT1R_ENA_SHIFT: + case ARIZONA_OUT2L_ENA_SHIFT: + case ARIZONA_OUT2R_ENA_SHIFT: + case ARIZONA_OUT3L_ENA_SHIFT: + case ARIZONA_OUT3R_ENA_SHIFT: + priv->out_up_pending--; + if (!priv->out_up_pending) { + msleep(priv->out_up_delay); + priv->out_up_delay = 0; + } + break; + + default: + break; + } + break; + case SND_SOC_DAPM_PRE_PMD: + switch (w->shift) { + case ARIZONA_OUT1L_ENA_SHIFT: + case ARIZONA_OUT1R_ENA_SHIFT: + case ARIZONA_OUT2L_ENA_SHIFT: + case ARIZONA_OUT2R_ENA_SHIFT: + case ARIZONA_OUT3L_ENA_SHIFT: + case ARIZONA_OUT3R_ENA_SHIFT: + priv->out_down_pending++; + priv->out_down_delay++; + break; + default: + break; + } + break; + case SND_SOC_DAPM_POST_PMD: + switch (w->shift) { + case ARIZONA_OUT1L_ENA_SHIFT: + case ARIZONA_OUT1R_ENA_SHIFT: + case ARIZONA_OUT2L_ENA_SHIFT: + case ARIZONA_OUT2R_ENA_SHIFT: + case ARIZONA_OUT3L_ENA_SHIFT: + case ARIZONA_OUT3R_ENA_SHIFT: + priv->out_down_pending--; + if (!priv->out_down_pending) { + msleep(priv->out_down_delay); + priv->out_down_delay = 0; + } + break; + default: + break; + } + break; + } + + return 0; +} +EXPORT_SYMBOL_GPL(arizona_out_ev); + +int arizona_hp_ev(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, + int event) +{ + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); + struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); + struct arizona *arizona = priv->arizona; + unsigned int mask = 1 << w->shift; + unsigned int val; + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + val = mask; + break; + case SND_SOC_DAPM_PRE_PMD: + val = 0; + break; + case SND_SOC_DAPM_PRE_PMU: + case SND_SOC_DAPM_POST_PMD: + return arizona_out_ev(w, kcontrol, event); + default: + return -EINVAL; + } + + /* Store the desired state for the HP outputs */ + priv->arizona->hp_ena &= ~mask; + priv->arizona->hp_ena |= val; + + /* Force off if HPDET clamp is active */ + if (priv->arizona->hpdet_clamp) + val = 0; + + regmap_update_bits_async(arizona->regmap, ARIZONA_OUTPUT_ENABLES_1, + mask, val); + + return arizona_out_ev(w, kcontrol, event); +} +EXPORT_SYMBOL_GPL(arizona_hp_ev); + +static unsigned int arizona_sysclk_48k_rates[] = { + 6144000, + 12288000, + 24576000, + 49152000, + 73728000, + 98304000, + 147456000, +}; + +static unsigned int arizona_sysclk_44k1_rates[] = { + 5644800, + 11289600, + 22579200, + 45158400, + 67737600, + 90316800, + 135475200, +}; + +static int arizona_set_opclk(struct snd_soc_codec *codec, unsigned int clk, + unsigned int freq) +{ + struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); + unsigned int reg; + unsigned int *rates; + int ref, div, refclk; + + switch (clk) { + case ARIZONA_CLK_OPCLK: + reg = ARIZONA_OUTPUT_SYSTEM_CLOCK; + refclk = priv->sysclk; + break; + case ARIZONA_CLK_ASYNC_OPCLK: + reg = ARIZONA_OUTPUT_ASYNC_CLOCK; + refclk = priv->asyncclk; + break; + default: + return -EINVAL; + } + + if (refclk % 8000) + rates = arizona_sysclk_44k1_rates; + else + rates = arizona_sysclk_48k_rates; + + for (ref = 0; ref < ARRAY_SIZE(arizona_sysclk_48k_rates) && + rates[ref] <= refclk; ref++) { + div = 1; + while (rates[ref] / div >= freq && div < 32) { + if (rates[ref] / div == freq) { + dev_dbg(codec->dev, "Configured %dHz OPCLK\n", + freq); + snd_soc_update_bits(codec, reg, + ARIZONA_OPCLK_DIV_MASK | + ARIZONA_OPCLK_SEL_MASK, + (div << + ARIZONA_OPCLK_DIV_SHIFT) | + ref); + return 0; + } + div++; + } + } + + dev_err(codec->dev, "Unable to generate %dHz OPCLK\n", freq); + return -EINVAL; +} + +int arizona_set_sysclk(struct snd_soc_codec *codec, int clk_id, + int source, unsigned int freq, int dir) +{ + struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); + struct arizona *arizona = priv->arizona; + char *name; + unsigned int reg; + unsigned int mask = ARIZONA_SYSCLK_FREQ_MASK | ARIZONA_SYSCLK_SRC_MASK; + unsigned int val = source << ARIZONA_SYSCLK_SRC_SHIFT; + unsigned int *clk; + + switch (clk_id) { + case ARIZONA_CLK_SYSCLK: + name = "SYSCLK"; + reg = ARIZONA_SYSTEM_CLOCK_1; + clk = &priv->sysclk; + mask |= ARIZONA_SYSCLK_FRAC; + break; + case ARIZONA_CLK_ASYNCCLK: + name = "ASYNCCLK"; + reg = ARIZONA_ASYNC_CLOCK_1; + clk = &priv->asyncclk; + break; + case ARIZONA_CLK_OPCLK: + case ARIZONA_CLK_ASYNC_OPCLK: + return arizona_set_opclk(codec, clk_id, freq); + default: + return -EINVAL; + } + + switch (freq) { + case 5644800: + case 6144000: + break; + case 11289600: + case 12288000: + val |= ARIZONA_CLK_12MHZ << ARIZONA_SYSCLK_FREQ_SHIFT; + break; + case 22579200: + case 24576000: + val |= ARIZONA_CLK_24MHZ << ARIZONA_SYSCLK_FREQ_SHIFT; + break; + case 45158400: + case 49152000: + val |= ARIZONA_CLK_49MHZ << ARIZONA_SYSCLK_FREQ_SHIFT; + break; + case 67737600: + case 73728000: + val |= ARIZONA_CLK_73MHZ << ARIZONA_SYSCLK_FREQ_SHIFT; + break; + case 90316800: + case 98304000: + val |= ARIZONA_CLK_98MHZ << ARIZONA_SYSCLK_FREQ_SHIFT; + break; + case 135475200: + case 147456000: + val |= ARIZONA_CLK_147MHZ << ARIZONA_SYSCLK_FREQ_SHIFT; + break; + case 0: + dev_dbg(arizona->dev, "%s cleared\n", name); + *clk = freq; + return 0; + default: + return -EINVAL; + } + + *clk = freq; + + if (freq % 6144000) + val |= ARIZONA_SYSCLK_FRAC; + + dev_dbg(arizona->dev, "%s set to %uHz", name, freq); + + return regmap_update_bits(arizona->regmap, reg, mask, val); +} +EXPORT_SYMBOL_GPL(arizona_set_sysclk); + +static int arizona_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct snd_soc_codec *codec = dai->codec; + struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); + struct arizona *arizona = priv->arizona; + int lrclk, bclk, mode, base; + + base = dai->driver->base; + + lrclk = 0; + bclk = 0; + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_A: + mode = ARIZONA_FMT_DSP_MODE_A; + break; + case SND_SOC_DAIFMT_DSP_B: + if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) + != SND_SOC_DAIFMT_CBM_CFM) { + arizona_aif_err(dai, "DSP_B not valid in slave mode\n"); + return -EINVAL; + } + mode = ARIZONA_FMT_DSP_MODE_B; + break; + case SND_SOC_DAIFMT_I2S: + mode = ARIZONA_FMT_I2S_MODE; + break; + case SND_SOC_DAIFMT_LEFT_J: + if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) + != SND_SOC_DAIFMT_CBM_CFM) { + arizona_aif_err(dai, "LEFT_J not valid in slave mode\n"); + return -EINVAL; + } + mode = ARIZONA_FMT_LEFT_JUSTIFIED_MODE; + break; + default: + arizona_aif_err(dai, "Unsupported DAI format %d\n", + fmt & SND_SOC_DAIFMT_FORMAT_MASK); + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + break; + case SND_SOC_DAIFMT_CBS_CFM: + lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR; + break; + case SND_SOC_DAIFMT_CBM_CFS: + bclk |= ARIZONA_AIF1_BCLK_MSTR; + break; + case SND_SOC_DAIFMT_CBM_CFM: + bclk |= ARIZONA_AIF1_BCLK_MSTR; + lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR; + break; + default: + arizona_aif_err(dai, "Unsupported master mode %d\n", + fmt & SND_SOC_DAIFMT_MASTER_MASK); + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_IF: + bclk |= ARIZONA_AIF1_BCLK_INV; + lrclk |= ARIZONA_AIF1TX_LRCLK_INV; + break; + case SND_SOC_DAIFMT_IB_NF: + bclk |= ARIZONA_AIF1_BCLK_INV; + break; + case SND_SOC_DAIFMT_NB_IF: + lrclk |= ARIZONA_AIF1TX_LRCLK_INV; + break; + default: + return -EINVAL; + } + + regmap_update_bits_async(arizona->regmap, base + ARIZONA_AIF_BCLK_CTRL, + ARIZONA_AIF1_BCLK_INV | + ARIZONA_AIF1_BCLK_MSTR, + bclk); + regmap_update_bits_async(arizona->regmap, base + ARIZONA_AIF_TX_PIN_CTRL, + ARIZONA_AIF1TX_LRCLK_INV | + ARIZONA_AIF1TX_LRCLK_MSTR, lrclk); + regmap_update_bits_async(arizona->regmap, + base + ARIZONA_AIF_RX_PIN_CTRL, + ARIZONA_AIF1RX_LRCLK_INV | + ARIZONA_AIF1RX_LRCLK_MSTR, lrclk); + regmap_update_bits(arizona->regmap, base + ARIZONA_AIF_FORMAT, + ARIZONA_AIF1_FMT_MASK, mode); + + return 0; +} + +static const int arizona_48k_bclk_rates[] = { + -1, + 48000, + 64000, + 96000, + 128000, + 192000, + 256000, + 384000, + 512000, + 768000, + 1024000, + 1536000, + 2048000, + 3072000, + 4096000, + 6144000, + 8192000, + 12288000, + 24576000, +}; + +static const unsigned int arizona_48k_rates[] = { + 12000, + 24000, + 48000, + 96000, + 192000, + 384000, + 768000, + 4000, + 8000, + 16000, + 32000, + 64000, + 128000, + 256000, + 512000, +}; + +static const struct snd_pcm_hw_constraint_list arizona_48k_constraint = { + .count = ARRAY_SIZE(arizona_48k_rates), + .list = arizona_48k_rates, +}; + +static const int arizona_44k1_bclk_rates[] = { + -1, + 44100, + 58800, + 88200, + 117600, + 177640, + 235200, + 352800, + 470400, + 705600, + 940800, + 1411200, + 1881600, + 2822400, + 3763200, + 5644800, + 7526400, + 11289600, + 22579200, +}; + +static const unsigned int arizona_44k1_rates[] = { + 11025, + 22050, + 44100, + 88200, + 176400, + 352800, + 705600, +}; + +static const struct snd_pcm_hw_constraint_list arizona_44k1_constraint = { + .count = ARRAY_SIZE(arizona_44k1_rates), + .list = arizona_44k1_rates, +}; + +static int arizona_sr_vals[] = { + 0, + 12000, + 24000, + 48000, + 96000, + 192000, + 384000, + 768000, + 0, + 11025, + 22050, + 44100, + 88200, + 176400, + 352800, + 705600, + 4000, + 8000, + 16000, + 32000, + 64000, + 128000, + 256000, + 512000, +}; + +static int arizona_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_codec *codec = dai->codec; + struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); + struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; + const struct snd_pcm_hw_constraint_list *constraint; + unsigned int base_rate; + + switch (dai_priv->clk) { + case ARIZONA_CLK_SYSCLK: + base_rate = priv->sysclk; + break; + case ARIZONA_CLK_ASYNCCLK: + base_rate = priv->asyncclk; + break; + default: + return 0; + } + + if (base_rate == 0) + return 0; + + if (base_rate % 8000) + constraint = &arizona_44k1_constraint; + else + constraint = &arizona_48k_constraint; + + return snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, + constraint); +} + +static void arizona_wm5102_set_dac_comp(struct snd_soc_codec *codec, + unsigned int rate) +{ + struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); + struct arizona *arizona = priv->arizona; + struct reg_default dac_comp[] = { + { 0x80, 0x3 }, + { ARIZONA_DAC_COMP_1, 0 }, + { ARIZONA_DAC_COMP_2, 0 }, + { 0x80, 0x0 }, + }; + + mutex_lock(&arizona->dac_comp_lock); + + dac_comp[1].def = arizona->dac_comp_coeff; + if (rate >= 176400) + dac_comp[2].def = arizona->dac_comp_enabled; + + mutex_unlock(&arizona->dac_comp_lock); + + regmap_multi_reg_write(arizona->regmap, + dac_comp, + ARRAY_SIZE(dac_comp)); +} + +static int arizona_hw_params_rate(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_codec *codec = dai->codec; + struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); + struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; + int base = dai->driver->base; + int i, sr_val; + + /* + * We will need to be more flexible than this in future, + * currently we use a single sample rate for SYSCLK. + */ + for (i = 0; i < ARRAY_SIZE(arizona_sr_vals); i++) + if (arizona_sr_vals[i] == params_rate(params)) + break; + if (i == ARRAY_SIZE(arizona_sr_vals)) { + arizona_aif_err(dai, "Unsupported sample rate %dHz\n", + params_rate(params)); + return -EINVAL; + } + sr_val = i; + + switch (dai_priv->clk) { + case ARIZONA_CLK_SYSCLK: + switch (priv->arizona->type) { + case WM5102: + arizona_wm5102_set_dac_comp(codec, + params_rate(params)); + break; + default: + break; + } + + snd_soc_update_bits(codec, ARIZONA_SAMPLE_RATE_1, + ARIZONA_SAMPLE_RATE_1_MASK, sr_val); + if (base) + snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL, + ARIZONA_AIF1_RATE_MASK, 0); + break; + case ARIZONA_CLK_ASYNCCLK: + snd_soc_update_bits(codec, ARIZONA_ASYNC_SAMPLE_RATE_1, + ARIZONA_ASYNC_SAMPLE_RATE_1_MASK, sr_val); + if (base) + snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL, + ARIZONA_AIF1_RATE_MASK, + 8 << ARIZONA_AIF1_RATE_SHIFT); + break; + default: + arizona_aif_err(dai, "Invalid clock %d\n", dai_priv->clk); + return -EINVAL; + } + + return 0; +} + +static bool arizona_aif_cfg_changed(struct snd_soc_codec *codec, + int base, int bclk, int lrclk, int frame) +{ + int val; + + val = snd_soc_read(codec, base + ARIZONA_AIF_BCLK_CTRL); + if (bclk != (val & ARIZONA_AIF1_BCLK_FREQ_MASK)) + return true; + + val = snd_soc_read(codec, base + ARIZONA_AIF_TX_BCLK_RATE); + if (lrclk != (val & ARIZONA_AIF1TX_BCPF_MASK)) + return true; + + val = snd_soc_read(codec, base + ARIZONA_AIF_FRAME_CTRL_1); + if (frame != (val & (ARIZONA_AIF1TX_WL_MASK | + ARIZONA_AIF1TX_SLOT_LEN_MASK))) + return true; + + return false; +} + +static int arizona_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_codec *codec = dai->codec; + struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); + struct arizona *arizona = priv->arizona; + int base = dai->driver->base; + const int *rates; + int i, ret, val; + int channels = params_channels(params); + int chan_limit = arizona->pdata.max_channels_clocked[dai->id - 1]; + int tdm_width = arizona->tdm_width[dai->id - 1]; + int tdm_slots = arizona->tdm_slots[dai->id - 1]; + int bclk, lrclk, wl, frame, bclk_target; + bool reconfig; + unsigned int aif_tx_state, aif_rx_state; + + if (params_rate(params) % 8000) + rates = &arizona_44k1_bclk_rates[0]; + else + rates = &arizona_48k_bclk_rates[0]; + + wl = snd_pcm_format_width(params_format(params)); + + if (tdm_slots) { + arizona_aif_dbg(dai, "Configuring for %d %d bit TDM slots\n", + tdm_slots, tdm_width); + bclk_target = tdm_slots * tdm_width * params_rate(params); + channels = tdm_slots; + } else { + bclk_target = snd_soc_params_to_bclk(params); + tdm_width = wl; + } + + if (chan_limit && chan_limit < channels) { + arizona_aif_dbg(dai, "Limiting to %d channels\n", chan_limit); + bclk_target /= channels; + bclk_target *= chan_limit; + } + + /* Force multiple of 2 channels for I2S mode */ + val = snd_soc_read(codec, base + ARIZONA_AIF_FORMAT); + val &= ARIZONA_AIF1_FMT_MASK; + if ((channels & 1) && (val == ARIZONA_FMT_I2S_MODE)) { + arizona_aif_dbg(dai, "Forcing stereo mode\n"); + bclk_target /= channels; + bclk_target *= channels + 1; + } + + for (i = 0; i < ARRAY_SIZE(arizona_44k1_bclk_rates); i++) { + if (rates[i] >= bclk_target && + rates[i] % params_rate(params) == 0) { + bclk = i; + break; + } + } + if (i == ARRAY_SIZE(arizona_44k1_bclk_rates)) { + arizona_aif_err(dai, "Unsupported sample rate %dHz\n", + params_rate(params)); + return -EINVAL; + } + + lrclk = rates[bclk] / params_rate(params); + + arizona_aif_dbg(dai, "BCLK %dHz LRCLK %dHz\n", + rates[bclk], rates[bclk] / lrclk); + + frame = wl << ARIZONA_AIF1TX_WL_SHIFT | tdm_width; + + reconfig = arizona_aif_cfg_changed(codec, base, bclk, lrclk, frame); + + if (reconfig) { + /* Save AIF TX/RX state */ + aif_tx_state = snd_soc_read(codec, + base + ARIZONA_AIF_TX_ENABLES); + aif_rx_state = snd_soc_read(codec, + base + ARIZONA_AIF_RX_ENABLES); + /* Disable AIF TX/RX before reconfiguring it */ + regmap_update_bits_async(arizona->regmap, + base + ARIZONA_AIF_TX_ENABLES, 0xff, 0x0); + regmap_update_bits(arizona->regmap, + base + ARIZONA_AIF_RX_ENABLES, 0xff, 0x0); + } + + ret = arizona_hw_params_rate(substream, params, dai); + if (ret != 0) + goto restore_aif; + + if (reconfig) { + regmap_update_bits_async(arizona->regmap, + base + ARIZONA_AIF_BCLK_CTRL, + ARIZONA_AIF1_BCLK_FREQ_MASK, bclk); + regmap_update_bits_async(arizona->regmap, + base + ARIZONA_AIF_TX_BCLK_RATE, + ARIZONA_AIF1TX_BCPF_MASK, lrclk); + regmap_update_bits_async(arizona->regmap, + base + ARIZONA_AIF_RX_BCLK_RATE, + ARIZONA_AIF1RX_BCPF_MASK, lrclk); + regmap_update_bits_async(arizona->regmap, + base + ARIZONA_AIF_FRAME_CTRL_1, + ARIZONA_AIF1TX_WL_MASK | + ARIZONA_AIF1TX_SLOT_LEN_MASK, frame); + regmap_update_bits(arizona->regmap, + base + ARIZONA_AIF_FRAME_CTRL_2, + ARIZONA_AIF1RX_WL_MASK | + ARIZONA_AIF1RX_SLOT_LEN_MASK, frame); + } + +restore_aif: + if (reconfig) { + /* Restore AIF TX/RX state */ + regmap_update_bits_async(arizona->regmap, + base + ARIZONA_AIF_TX_ENABLES, + 0xff, aif_tx_state); + regmap_update_bits(arizona->regmap, + base + ARIZONA_AIF_RX_ENABLES, + 0xff, aif_rx_state); + } + return ret; +} + +static const char *arizona_dai_clk_str(int clk_id) +{ + switch (clk_id) { + case ARIZONA_CLK_SYSCLK: + return "SYSCLK"; + case ARIZONA_CLK_ASYNCCLK: + return "ASYNCCLK"; + default: + return "Unknown clock"; + } +} + +static int arizona_dai_set_sysclk(struct snd_soc_dai *dai, + int clk_id, unsigned int freq, int dir) +{ + struct snd_soc_codec *codec = dai->codec; + struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); + struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; + struct snd_soc_dapm_route routes[2]; + + switch (clk_id) { + case ARIZONA_CLK_SYSCLK: + case ARIZONA_CLK_ASYNCCLK: + break; + default: + return -EINVAL; + } + + if (clk_id == dai_priv->clk) + return 0; + + if (dai->active) { + dev_err(codec->dev, "Can't change clock on active DAI %d\n", + dai->id); + return -EBUSY; + } + + dev_dbg(codec->dev, "Setting AIF%d to %s\n", dai->id + 1, + arizona_dai_clk_str(clk_id)); + + memset(&routes, 0, sizeof(routes)); + routes[0].sink = dai->driver->capture.stream_name; + routes[1].sink = dai->driver->playback.stream_name; + + routes[0].source = arizona_dai_clk_str(dai_priv->clk); + routes[1].source = arizona_dai_clk_str(dai_priv->clk); + snd_soc_dapm_del_routes(&codec->dapm, routes, ARRAY_SIZE(routes)); + + routes[0].source = arizona_dai_clk_str(clk_id); + routes[1].source = arizona_dai_clk_str(clk_id); + snd_soc_dapm_add_routes(&codec->dapm, routes, ARRAY_SIZE(routes)); + + dai_priv->clk = clk_id; + + return snd_soc_dapm_sync(&codec->dapm); +} + +static int arizona_set_tristate(struct snd_soc_dai *dai, int tristate) +{ + struct snd_soc_codec *codec = dai->codec; + int base = dai->driver->base; + unsigned int reg; + + if (tristate) + reg = ARIZONA_AIF1_TRI; + else + reg = 0; + + return snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL, + ARIZONA_AIF1_TRI, reg); +} + +static void arizona_set_channels_to_mask(struct snd_soc_dai *dai, + unsigned int base, + int channels, unsigned int mask) +{ + struct snd_soc_codec *codec = dai->codec; + struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); + struct arizona *arizona = priv->arizona; + int slot, i; + + for (i = 0; i < channels; ++i) { + slot = ffs(mask) - 1; + if (slot < 0) + return; + + regmap_write(arizona->regmap, base + i, slot); + + mask &= ~(1 << slot); + } + + if (mask) + arizona_aif_warn(dai, "Too many channels in TDM mask\n"); +} + +static int arizona_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, + unsigned int rx_mask, int slots, int slot_width) +{ + struct snd_soc_codec *codec = dai->codec; + struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); + struct arizona *arizona = priv->arizona; + int base = dai->driver->base; + int rx_max_chan = dai->driver->playback.channels_max; + int tx_max_chan = dai->driver->capture.channels_max; + + /* Only support TDM for the physical AIFs */ + if (dai->id > ARIZONA_MAX_AIF) + return -ENOTSUPP; + + if (slots == 0) { + tx_mask = (1 << tx_max_chan) - 1; + rx_mask = (1 << rx_max_chan) - 1; + } + + arizona_set_channels_to_mask(dai, base + ARIZONA_AIF_FRAME_CTRL_3, + tx_max_chan, tx_mask); + arizona_set_channels_to_mask(dai, base + ARIZONA_AIF_FRAME_CTRL_11, + rx_max_chan, rx_mask); + + arizona->tdm_width[dai->id - 1] = slot_width; + arizona->tdm_slots[dai->id - 1] = slots; + + return 0; +} + +const struct snd_soc_dai_ops arizona_dai_ops = { + .startup = arizona_startup, + .set_fmt = arizona_set_fmt, + .set_tdm_slot = arizona_set_tdm_slot, + .hw_params = arizona_hw_params, + .set_sysclk = arizona_dai_set_sysclk, + .set_tristate = arizona_set_tristate, +}; +EXPORT_SYMBOL_GPL(arizona_dai_ops); + +const struct snd_soc_dai_ops arizona_simple_dai_ops = { + .startup = arizona_startup, + .hw_params = arizona_hw_params_rate, + .set_sysclk = arizona_dai_set_sysclk, +}; +EXPORT_SYMBOL_GPL(arizona_simple_dai_ops); + +int arizona_init_dai(struct arizona_priv *priv, int id) +{ + struct arizona_dai_priv *dai_priv = &priv->dai[id]; + + dai_priv->clk = ARIZONA_CLK_SYSCLK; + + return 0; +} +EXPORT_SYMBOL_GPL(arizona_init_dai); + +static irqreturn_t arizona_fll_clock_ok(int irq, void *data) +{ + struct arizona_fll *fll = data; + + arizona_fll_dbg(fll, "clock OK\n"); + + complete(&fll->ok); + + return IRQ_HANDLED; +} + +static struct { + unsigned int min; + unsigned int max; + u16 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 struct { + unsigned int min; + unsigned int max; + u16 gain; +} fll_gains[] = { + { 0, 256000, 0 }, + { 256000, 1000000, 2 }, + { 1000000, 13500000, 4 }, +}; + +struct arizona_fll_cfg { + int n; + int theta; + int lambda; + int refdiv; + int outdiv; + int fratio; + int gain; +}; + +static int arizona_validate_fll(struct arizona_fll *fll, + unsigned int Fref, + unsigned int Fout) +{ + unsigned int Fvco_min; + + if (fll->fout && Fout != fll->fout) { + arizona_fll_err(fll, + "Can't change output on active FLL\n"); + return -EINVAL; + } + + if (Fref / ARIZONA_FLL_MAX_REFDIV > ARIZONA_FLL_MAX_FREF) { + arizona_fll_err(fll, + "Can't scale %dMHz in to <=13.5MHz\n", + Fref); + return -EINVAL; + } + + Fvco_min = ARIZONA_FLL_MIN_FVCO * fll->vco_mult; + if (Fout * ARIZONA_FLL_MAX_OUTDIV < Fvco_min) { + arizona_fll_err(fll, "No FLL_OUTDIV for Fout=%uHz\n", + Fout); + return -EINVAL; + } + + return 0; +} + +static int arizona_find_fratio(unsigned int Fref, int *fratio) +{ + int i; + + /* Find an appropriate FLL_FRATIO */ + for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) { + if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) { + if (fratio) + *fratio = fll_fratios[i].fratio; + return fll_fratios[i].ratio; + } + } + + return -EINVAL; +} + +static int arizona_calc_fratio(struct arizona_fll *fll, + struct arizona_fll_cfg *cfg, + unsigned int target, + unsigned int Fref, bool sync) +{ + int init_ratio, ratio; + int refdiv, div; + + /* Fref must be <=13.5MHz, find initial refdiv */ + div = 1; + cfg->refdiv = 0; + while (Fref > ARIZONA_FLL_MAX_FREF) { + div *= 2; + Fref /= 2; + cfg->refdiv++; + + if (div > ARIZONA_FLL_MAX_REFDIV) + return -EINVAL; + } + + /* Find an appropriate FLL_FRATIO */ + init_ratio = arizona_find_fratio(Fref, &cfg->fratio); + if (init_ratio < 0) { + arizona_fll_err(fll, "Unable to find FRATIO for Fref=%uHz\n", + Fref); + return init_ratio; + } + + switch (fll->arizona->type) { + case WM5110: + case WM8280: + if (fll->arizona->rev < 3 || sync) + return init_ratio; + break; + default: + return init_ratio; + } + + cfg->fratio = init_ratio - 1; + + /* Adjust FRATIO/refdiv to avoid integer mode if possible */ + refdiv = cfg->refdiv; + + while (div <= ARIZONA_FLL_MAX_REFDIV) { + for (ratio = init_ratio; ratio <= ARIZONA_FLL_MAX_FRATIO; + ratio++) { + if ((ARIZONA_FLL_VCO_CORNER / 2) / + (fll->vco_mult * ratio) < Fref) + break; + + if (target % (ratio * Fref)) { + cfg->refdiv = refdiv; + cfg->fratio = ratio - 1; + return ratio; + } + } + + for (ratio = init_ratio - 1; ratio > 0; ratio--) { + if (target % (ratio * Fref)) { + cfg->refdiv = refdiv; + cfg->fratio = ratio - 1; + return ratio; + } + } + + div *= 2; + Fref /= 2; + refdiv++; + init_ratio = arizona_find_fratio(Fref, NULL); + } + + arizona_fll_warn(fll, "Falling back to integer mode operation\n"); + return cfg->fratio + 1; +} + +static int arizona_calc_fll(struct arizona_fll *fll, + struct arizona_fll_cfg *cfg, + unsigned int Fref, bool sync) +{ + unsigned int target, div, gcd_fll; + int i, ratio; + + arizona_fll_dbg(fll, "Fref=%u Fout=%u\n", Fref, fll->fout); + + /* Fvco should be over the targt; don't check the upper bound */ + div = ARIZONA_FLL_MIN_OUTDIV; + while (fll->fout * div < ARIZONA_FLL_MIN_FVCO * fll->vco_mult) { + div++; + if (div > ARIZONA_FLL_MAX_OUTDIV) + return -EINVAL; + } + target = fll->fout * div / fll->vco_mult; + cfg->outdiv = div; + + arizona_fll_dbg(fll, "Fvco=%dHz\n", target); + + /* Find an appropriate FLL_FRATIO and refdiv */ + ratio = arizona_calc_fratio(fll, cfg, target, Fref, sync); + if (ratio < 0) + return ratio; + + /* Apply the division for our remaining calculations */ + Fref = Fref / (1 << cfg->refdiv); + + cfg->n = target / (ratio * Fref); + + if (target % (ratio * Fref)) { + gcd_fll = gcd(target, ratio * Fref); + arizona_fll_dbg(fll, "GCD=%u\n", gcd_fll); + + cfg->theta = (target - (cfg->n * ratio * Fref)) + / gcd_fll; + cfg->lambda = (ratio * Fref) / gcd_fll; + } else { + cfg->theta = 0; + cfg->lambda = 0; + } + + /* Round down to 16bit range with cost of accuracy lost. + * Denominator must be bigger than numerator so we only + * take care of it. + */ + while (cfg->lambda >= (1 << 16)) { + cfg->theta >>= 1; + cfg->lambda >>= 1; + } + + for (i = 0; i < ARRAY_SIZE(fll_gains); i++) { + if (fll_gains[i].min <= Fref && Fref <= fll_gains[i].max) { + cfg->gain = fll_gains[i].gain; + break; + } + } + if (i == ARRAY_SIZE(fll_gains)) { + arizona_fll_err(fll, "Unable to find gain for Fref=%uHz\n", + Fref); + return -EINVAL; + } + + arizona_fll_dbg(fll, "N=%x THETA=%x LAMBDA=%x\n", + cfg->n, cfg->theta, cfg->lambda); + arizona_fll_dbg(fll, "FRATIO=%x(%d) OUTDIV=%x REFCLK_DIV=%x\n", + cfg->fratio, cfg->fratio, cfg->outdiv, cfg->refdiv); + arizona_fll_dbg(fll, "GAIN=%d\n", cfg->gain); + + return 0; + +} + +static void arizona_apply_fll(struct arizona *arizona, unsigned int base, + struct arizona_fll_cfg *cfg, int source, + bool sync) +{ + regmap_update_bits_async(arizona->regmap, base + 3, + ARIZONA_FLL1_THETA_MASK, cfg->theta); + regmap_update_bits_async(arizona->regmap, base + 4, + ARIZONA_FLL1_LAMBDA_MASK, cfg->lambda); + regmap_update_bits_async(arizona->regmap, base + 5, + ARIZONA_FLL1_FRATIO_MASK, + cfg->fratio << ARIZONA_FLL1_FRATIO_SHIFT); + regmap_update_bits_async(arizona->regmap, base + 6, + ARIZONA_FLL1_CLK_REF_DIV_MASK | + ARIZONA_FLL1_CLK_REF_SRC_MASK, + cfg->refdiv << ARIZONA_FLL1_CLK_REF_DIV_SHIFT | + source << ARIZONA_FLL1_CLK_REF_SRC_SHIFT); + + if (sync) { + regmap_update_bits(arizona->regmap, base + 0x7, + ARIZONA_FLL1_GAIN_MASK, + cfg->gain << ARIZONA_FLL1_GAIN_SHIFT); + } else { + regmap_update_bits(arizona->regmap, base + 0x5, + ARIZONA_FLL1_OUTDIV_MASK, + cfg->outdiv << ARIZONA_FLL1_OUTDIV_SHIFT); + regmap_update_bits(arizona->regmap, base + 0x9, + ARIZONA_FLL1_GAIN_MASK, + cfg->gain << ARIZONA_FLL1_GAIN_SHIFT); + } + + regmap_update_bits_async(arizona->regmap, base + 2, + ARIZONA_FLL1_CTRL_UPD | ARIZONA_FLL1_N_MASK, + ARIZONA_FLL1_CTRL_UPD | cfg->n); +} + +static int arizona_is_enabled_fll(struct arizona_fll *fll) +{ + struct arizona *arizona = fll->arizona; + unsigned int reg; + int ret; + + ret = regmap_read(arizona->regmap, fll->base + 1, ®); + if (ret != 0) { + arizona_fll_err(fll, "Failed to read current state: %d\n", + ret); + return ret; + } + + return reg & ARIZONA_FLL1_ENA; +} + +static int arizona_enable_fll(struct arizona_fll *fll) +{ + struct arizona *arizona = fll->arizona; + unsigned long time_left; + bool use_sync = false; + int already_enabled = arizona_is_enabled_fll(fll); + struct arizona_fll_cfg cfg; + + if (already_enabled < 0) + return already_enabled; + + if (already_enabled) { + /* Facilitate smooth refclk across the transition */ + regmap_update_bits_async(fll->arizona->regmap, fll->base + 0x7, + ARIZONA_FLL1_GAIN_MASK, 0); + regmap_update_bits_async(fll->arizona->regmap, fll->base + 1, + ARIZONA_FLL1_FREERUN, + ARIZONA_FLL1_FREERUN); + } + + /* + * If we have both REFCLK and SYNCCLK then enable both, + * otherwise apply the SYNCCLK settings to REFCLK. + */ + if (fll->ref_src >= 0 && fll->ref_freq && + fll->ref_src != fll->sync_src) { + arizona_calc_fll(fll, &cfg, fll->ref_freq, false); + + arizona_apply_fll(arizona, fll->base, &cfg, fll->ref_src, + false); + if (fll->sync_src >= 0) { + arizona_calc_fll(fll, &cfg, fll->sync_freq, true); + + arizona_apply_fll(arizona, fll->base + 0x10, &cfg, + fll->sync_src, true); + use_sync = true; + } + } else if (fll->sync_src >= 0) { + arizona_calc_fll(fll, &cfg, fll->sync_freq, false); + + arizona_apply_fll(arizona, fll->base, &cfg, + fll->sync_src, false); + + regmap_update_bits_async(arizona->regmap, fll->base + 0x11, + ARIZONA_FLL1_SYNC_ENA, 0); + } else { + arizona_fll_err(fll, "No clocks provided\n"); + return -EINVAL; + } + + /* + * Increase the bandwidth if we're not using a low frequency + * sync source. + */ + if (use_sync && fll->sync_freq > 100000) + regmap_update_bits_async(arizona->regmap, fll->base + 0x17, + ARIZONA_FLL1_SYNC_BW, 0); + else + regmap_update_bits_async(arizona->regmap, fll->base + 0x17, + ARIZONA_FLL1_SYNC_BW, + ARIZONA_FLL1_SYNC_BW); + + if (!already_enabled) + pm_runtime_get(arizona->dev); + + /* Clear any pending completions */ + try_wait_for_completion(&fll->ok); + + regmap_update_bits_async(arizona->regmap, fll->base + 1, + ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA); + if (use_sync) + regmap_update_bits_async(arizona->regmap, fll->base + 0x11, + ARIZONA_FLL1_SYNC_ENA, + ARIZONA_FLL1_SYNC_ENA); + + if (already_enabled) + regmap_update_bits_async(arizona->regmap, fll->base + 1, + ARIZONA_FLL1_FREERUN, 0); + + time_left = wait_for_completion_timeout(&fll->ok, + msecs_to_jiffies(250)); + if (time_left == 0) + arizona_fll_warn(fll, "Timed out waiting for lock\n"); + + return 0; +} + +static void arizona_disable_fll(struct arizona_fll *fll) +{ + struct arizona *arizona = fll->arizona; + bool change; + + regmap_update_bits_async(arizona->regmap, fll->base + 1, + ARIZONA_FLL1_FREERUN, ARIZONA_FLL1_FREERUN); + regmap_update_bits_check(arizona->regmap, fll->base + 1, + ARIZONA_FLL1_ENA, 0, &change); + regmap_update_bits(arizona->regmap, fll->base + 0x11, + ARIZONA_FLL1_SYNC_ENA, 0); + regmap_update_bits_async(arizona->regmap, fll->base + 1, + ARIZONA_FLL1_FREERUN, 0); + + if (change) + pm_runtime_put_autosuspend(arizona->dev); +} + +int arizona_set_fll_refclk(struct arizona_fll *fll, int source, + unsigned int Fref, unsigned int Fout) +{ + int ret = 0; + + if (fll->ref_src == source && fll->ref_freq == Fref) + return 0; + + if (fll->fout && Fref > 0) { + ret = arizona_validate_fll(fll, Fref, fll->fout); + if (ret != 0) + return ret; + } + + fll->ref_src = source; + fll->ref_freq = Fref; + + if (fll->fout && Fref > 0) { + ret = arizona_enable_fll(fll); + } + + return ret; +} +EXPORT_SYMBOL_GPL(arizona_set_fll_refclk); + +int arizona_set_fll(struct arizona_fll *fll, int source, + unsigned int Fref, unsigned int Fout) +{ + int ret = 0; + + if (fll->sync_src == source && + fll->sync_freq == Fref && fll->fout == Fout) + return 0; + + if (Fout) { + if (fll->ref_src >= 0) { + ret = arizona_validate_fll(fll, fll->ref_freq, Fout); + if (ret != 0) + return ret; + } + + ret = arizona_validate_fll(fll, Fref, Fout); + if (ret != 0) + return ret; + } + + fll->sync_src = source; + fll->sync_freq = Fref; + fll->fout = Fout; + + if (Fout) + ret = arizona_enable_fll(fll); + else + arizona_disable_fll(fll); + + return ret; +} +EXPORT_SYMBOL_GPL(arizona_set_fll); + +int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq, + int ok_irq, struct arizona_fll *fll) +{ + int ret; + unsigned int val; + + init_completion(&fll->ok); + + fll->id = id; + fll->base = base; + fll->arizona = arizona; + fll->sync_src = ARIZONA_FLL_SRC_NONE; + + /* Configure default refclk to 32kHz if we have one */ + regmap_read(arizona->regmap, ARIZONA_CLOCK_32K_1, &val); + switch (val & ARIZONA_CLK_32K_SRC_MASK) { + case ARIZONA_CLK_SRC_MCLK1: + case ARIZONA_CLK_SRC_MCLK2: + fll->ref_src = val & ARIZONA_CLK_32K_SRC_MASK; + break; + default: + fll->ref_src = ARIZONA_FLL_SRC_NONE; + } + fll->ref_freq = 32768; + + snprintf(fll->lock_name, sizeof(fll->lock_name), "FLL%d lock", id); + snprintf(fll->clock_ok_name, sizeof(fll->clock_ok_name), + "FLL%d clock OK", id); + + ret = arizona_request_irq(arizona, ok_irq, fll->clock_ok_name, + arizona_fll_clock_ok, fll); + if (ret != 0) { + dev_err(arizona->dev, "Failed to get FLL%d clock OK IRQ: %d\n", + id, ret); + } + + regmap_update_bits(arizona->regmap, fll->base + 1, + ARIZONA_FLL1_FREERUN, 0); + + return 0; +} +EXPORT_SYMBOL_GPL(arizona_init_fll); + +/** + * arizona_set_output_mode - Set the mode of the specified output + * + * @codec: Device to configure + * @output: Output number + * @diff: True to set the output to differential mode + * + * Some systems use external analogue switches to connect more + * analogue devices to the CODEC than are supported by the device. In + * some systems this requires changing the switched output from single + * ended to differential mode dynamically at runtime, an operation + * supported using this function. + * + * Most systems have a single static configuration and should use + * platform data instead. + */ +int arizona_set_output_mode(struct snd_soc_codec *codec, int output, bool diff) +{ + unsigned int reg, val; + + if (output < 1 || output > 6) + return -EINVAL; + + reg = ARIZONA_OUTPUT_PATH_CONFIG_1L + (output - 1) * 8; + + if (diff) + val = ARIZONA_OUT1_MONO; + else + val = 0; + + return snd_soc_update_bits(codec, reg, ARIZONA_OUT1_MONO, val); +} +EXPORT_SYMBOL_GPL(arizona_set_output_mode); + +MODULE_DESCRIPTION("ASoC Wolfson Arizona class device support"); +MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); +MODULE_LICENSE("GPL"); |