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572 lines
15 KiB
572 lines
15 KiB
// SPDX-License-Identifier: GPL-2.0 |
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// |
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// Socionext UniPhier EVEA ADC/DAC codec driver. |
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// |
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// Copyright (c) 2016-2017 Socionext Inc. |
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#include <linux/clk.h> |
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#include <linux/module.h> |
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#include <linux/of.h> |
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#include <linux/regmap.h> |
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#include <linux/reset.h> |
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#include <sound/pcm.h> |
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#include <sound/soc.h> |
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#define DRV_NAME "evea" |
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#define EVEA_RATES SNDRV_PCM_RATE_48000 |
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#define EVEA_FORMATS SNDRV_PCM_FMTBIT_S32_LE |
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#define AADCPOW(n) (0x0078 + 0x04 * (n)) |
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#define AADCPOW_AADC_POWD BIT(0) |
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#define ALINSW1 0x0088 |
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#define ALINSW1_SEL1_SHIFT 3 |
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#define AHPOUTPOW 0x0098 |
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#define AHPOUTPOW_HP_ON BIT(4) |
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#define ALINEPOW 0x009c |
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#define ALINEPOW_LIN2_POWD BIT(3) |
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#define ALINEPOW_LIN1_POWD BIT(4) |
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#define ALO1OUTPOW 0x00a8 |
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#define ALO1OUTPOW_LO1_ON BIT(4) |
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#define ALO2OUTPOW 0x00ac |
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#define ALO2OUTPOW_ADAC2_MUTE BIT(0) |
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#define ALO2OUTPOW_LO2_ON BIT(4) |
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#define AANAPOW 0x00b8 |
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#define AANAPOW_A_POWD BIT(4) |
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#define ADACSEQ1(n) (0x0144 + 0x40 * (n)) |
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#define ADACSEQ1_MMUTE BIT(1) |
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#define ADACSEQ2(n) (0x0160 + 0x40 * (n)) |
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#define ADACSEQ2_ADACIN_FIX BIT(0) |
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#define ADAC1ODC 0x0200 |
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#define ADAC1ODC_HP_DIS_RES_MASK GENMASK(2, 1) |
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#define ADAC1ODC_HP_DIS_RES_OFF (0x0 << 1) |
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#define ADAC1ODC_HP_DIS_RES_ON (0x3 << 1) |
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#define ADAC1ODC_ADAC_RAMPCLT_MASK GENMASK(8, 7) |
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#define ADAC1ODC_ADAC_RAMPCLT_NORMAL (0x0 << 7) |
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#define ADAC1ODC_ADAC_RAMPCLT_REDUCE (0x1 << 7) |
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struct evea_priv { |
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struct clk *clk, *clk_exiv; |
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struct reset_control *rst, *rst_exiv, *rst_adamv; |
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struct regmap *regmap; |
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int switch_lin; |
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int switch_lo; |
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int switch_hp; |
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}; |
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static const char * const linsw1_sel1_text[] = { |
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"LIN1", "LIN2", "LIN3" |
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}; |
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static SOC_ENUM_SINGLE_DECL(linsw1_sel1_enum, |
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ALINSW1, ALINSW1_SEL1_SHIFT, |
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linsw1_sel1_text); |
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static const struct snd_kcontrol_new linesw1_mux[] = { |
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SOC_DAPM_ENUM("Line In 1 Source", linsw1_sel1_enum), |
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}; |
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static const struct snd_soc_dapm_widget evea_widgets[] = { |
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SND_SOC_DAPM_ADC("ADC", NULL, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_MUX("Line In 1 Mux", SND_SOC_NOPM, 0, 0, linesw1_mux), |
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SND_SOC_DAPM_INPUT("LIN1_LP"), |
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SND_SOC_DAPM_INPUT("LIN1_RP"), |
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SND_SOC_DAPM_INPUT("LIN2_LP"), |
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SND_SOC_DAPM_INPUT("LIN2_RP"), |
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SND_SOC_DAPM_INPUT("LIN3_LP"), |
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SND_SOC_DAPM_INPUT("LIN3_RP"), |
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SND_SOC_DAPM_DAC("DAC HP", NULL, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_DAC("DAC LO1", NULL, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_DAC("DAC LO2", NULL, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_OUTPUT("HP1_L"), |
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SND_SOC_DAPM_OUTPUT("HP1_R"), |
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SND_SOC_DAPM_OUTPUT("LO2_L"), |
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SND_SOC_DAPM_OUTPUT("LO2_R"), |
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}; |
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static const struct snd_soc_dapm_route evea_routes[] = { |
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{ "Line In 1", NULL, "ADC" }, |
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{ "ADC", NULL, "Line In 1 Mux" }, |
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{ "Line In 1 Mux", "LIN1", "LIN1_LP" }, |
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{ "Line In 1 Mux", "LIN1", "LIN1_RP" }, |
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{ "Line In 1 Mux", "LIN2", "LIN2_LP" }, |
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{ "Line In 1 Mux", "LIN2", "LIN2_RP" }, |
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{ "Line In 1 Mux", "LIN3", "LIN3_LP" }, |
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{ "Line In 1 Mux", "LIN3", "LIN3_RP" }, |
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{ "DAC HP", NULL, "Headphone 1" }, |
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{ "DAC LO1", NULL, "Line Out 1" }, |
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{ "DAC LO2", NULL, "Line Out 2" }, |
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{ "HP1_L", NULL, "DAC HP" }, |
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{ "HP1_R", NULL, "DAC HP" }, |
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{ "LO2_L", NULL, "DAC LO2" }, |
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{ "LO2_R", NULL, "DAC LO2" }, |
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}; |
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static void evea_set_power_state_on(struct evea_priv *evea) |
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{ |
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struct regmap *map = evea->regmap; |
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regmap_update_bits(map, AANAPOW, AANAPOW_A_POWD, |
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AANAPOW_A_POWD); |
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regmap_update_bits(map, ADAC1ODC, ADAC1ODC_HP_DIS_RES_MASK, |
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ADAC1ODC_HP_DIS_RES_ON); |
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regmap_update_bits(map, ADAC1ODC, ADAC1ODC_ADAC_RAMPCLT_MASK, |
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ADAC1ODC_ADAC_RAMPCLT_REDUCE); |
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regmap_update_bits(map, ADACSEQ2(0), ADACSEQ2_ADACIN_FIX, 0); |
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regmap_update_bits(map, ADACSEQ2(1), ADACSEQ2_ADACIN_FIX, 0); |
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regmap_update_bits(map, ADACSEQ2(2), ADACSEQ2_ADACIN_FIX, 0); |
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} |
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static void evea_set_power_state_off(struct evea_priv *evea) |
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{ |
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struct regmap *map = evea->regmap; |
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regmap_update_bits(map, ADAC1ODC, ADAC1ODC_HP_DIS_RES_MASK, |
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ADAC1ODC_HP_DIS_RES_ON); |
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regmap_update_bits(map, ADACSEQ1(0), ADACSEQ1_MMUTE, |
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ADACSEQ1_MMUTE); |
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regmap_update_bits(map, ADACSEQ1(1), ADACSEQ1_MMUTE, |
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ADACSEQ1_MMUTE); |
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regmap_update_bits(map, ADACSEQ1(2), ADACSEQ1_MMUTE, |
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ADACSEQ1_MMUTE); |
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regmap_update_bits(map, ALO1OUTPOW, ALO1OUTPOW_LO1_ON, 0); |
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regmap_update_bits(map, ALO2OUTPOW, ALO2OUTPOW_LO2_ON, 0); |
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regmap_update_bits(map, AHPOUTPOW, AHPOUTPOW_HP_ON, 0); |
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} |
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static int evea_update_switch_lin(struct evea_priv *evea) |
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{ |
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struct regmap *map = evea->regmap; |
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if (evea->switch_lin) { |
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regmap_update_bits(map, ALINEPOW, |
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ALINEPOW_LIN2_POWD | ALINEPOW_LIN1_POWD, |
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ALINEPOW_LIN2_POWD | ALINEPOW_LIN1_POWD); |
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regmap_update_bits(map, AADCPOW(0), AADCPOW_AADC_POWD, |
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AADCPOW_AADC_POWD); |
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regmap_update_bits(map, AADCPOW(1), AADCPOW_AADC_POWD, |
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AADCPOW_AADC_POWD); |
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} else { |
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regmap_update_bits(map, AADCPOW(0), AADCPOW_AADC_POWD, 0); |
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regmap_update_bits(map, AADCPOW(1), AADCPOW_AADC_POWD, 0); |
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regmap_update_bits(map, ALINEPOW, |
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ALINEPOW_LIN2_POWD | ALINEPOW_LIN1_POWD, 0); |
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} |
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return 0; |
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} |
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static int evea_update_switch_lo(struct evea_priv *evea) |
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{ |
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struct regmap *map = evea->regmap; |
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if (evea->switch_lo) { |
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regmap_update_bits(map, ADACSEQ1(0), ADACSEQ1_MMUTE, 0); |
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regmap_update_bits(map, ADACSEQ1(2), ADACSEQ1_MMUTE, 0); |
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regmap_update_bits(map, ALO1OUTPOW, ALO1OUTPOW_LO1_ON, |
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ALO1OUTPOW_LO1_ON); |
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regmap_update_bits(map, ALO2OUTPOW, |
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ALO2OUTPOW_ADAC2_MUTE | ALO2OUTPOW_LO2_ON, |
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ALO2OUTPOW_ADAC2_MUTE | ALO2OUTPOW_LO2_ON); |
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} else { |
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regmap_update_bits(map, ADACSEQ1(0), ADACSEQ1_MMUTE, |
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ADACSEQ1_MMUTE); |
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regmap_update_bits(map, ADACSEQ1(2), ADACSEQ1_MMUTE, |
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ADACSEQ1_MMUTE); |
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regmap_update_bits(map, ALO1OUTPOW, ALO1OUTPOW_LO1_ON, 0); |
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regmap_update_bits(map, ALO2OUTPOW, |
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ALO2OUTPOW_ADAC2_MUTE | ALO2OUTPOW_LO2_ON, |
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0); |
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} |
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return 0; |
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} |
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static int evea_update_switch_hp(struct evea_priv *evea) |
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{ |
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struct regmap *map = evea->regmap; |
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if (evea->switch_hp) { |
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regmap_update_bits(map, ADACSEQ1(1), ADACSEQ1_MMUTE, 0); |
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regmap_update_bits(map, AHPOUTPOW, AHPOUTPOW_HP_ON, |
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AHPOUTPOW_HP_ON); |
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regmap_update_bits(map, ADAC1ODC, ADAC1ODC_HP_DIS_RES_MASK, |
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ADAC1ODC_HP_DIS_RES_OFF); |
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} else { |
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regmap_update_bits(map, ADAC1ODC, ADAC1ODC_HP_DIS_RES_MASK, |
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ADAC1ODC_HP_DIS_RES_ON); |
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regmap_update_bits(map, ADACSEQ1(1), ADACSEQ1_MMUTE, |
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ADACSEQ1_MMUTE); |
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regmap_update_bits(map, AHPOUTPOW, AHPOUTPOW_HP_ON, 0); |
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} |
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return 0; |
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} |
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static void evea_update_switch_all(struct evea_priv *evea) |
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{ |
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evea_update_switch_lin(evea); |
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evea_update_switch_lo(evea); |
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evea_update_switch_hp(evea); |
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} |
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static int evea_get_switch_lin(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); |
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struct evea_priv *evea = snd_soc_component_get_drvdata(component); |
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ucontrol->value.integer.value[0] = evea->switch_lin; |
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return 0; |
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} |
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static int evea_set_switch_lin(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); |
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struct evea_priv *evea = snd_soc_component_get_drvdata(component); |
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if (evea->switch_lin == ucontrol->value.integer.value[0]) |
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return 0; |
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evea->switch_lin = ucontrol->value.integer.value[0]; |
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return evea_update_switch_lin(evea); |
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} |
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static int evea_get_switch_lo(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); |
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struct evea_priv *evea = snd_soc_component_get_drvdata(component); |
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ucontrol->value.integer.value[0] = evea->switch_lo; |
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return 0; |
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} |
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static int evea_set_switch_lo(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); |
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struct evea_priv *evea = snd_soc_component_get_drvdata(component); |
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if (evea->switch_lo == ucontrol->value.integer.value[0]) |
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return 0; |
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evea->switch_lo = ucontrol->value.integer.value[0]; |
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return evea_update_switch_lo(evea); |
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} |
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static int evea_get_switch_hp(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); |
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struct evea_priv *evea = snd_soc_component_get_drvdata(component); |
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ucontrol->value.integer.value[0] = evea->switch_hp; |
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return 0; |
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} |
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static int evea_set_switch_hp(struct snd_kcontrol *kcontrol, |
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struct snd_ctl_elem_value *ucontrol) |
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{ |
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); |
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struct evea_priv *evea = snd_soc_component_get_drvdata(component); |
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if (evea->switch_hp == ucontrol->value.integer.value[0]) |
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return 0; |
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evea->switch_hp = ucontrol->value.integer.value[0]; |
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return evea_update_switch_hp(evea); |
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} |
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static const struct snd_kcontrol_new evea_controls[] = { |
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SOC_SINGLE_BOOL_EXT("Line Capture Switch", 0, |
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evea_get_switch_lin, evea_set_switch_lin), |
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SOC_SINGLE_BOOL_EXT("Line Playback Switch", 0, |
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evea_get_switch_lo, evea_set_switch_lo), |
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SOC_SINGLE_BOOL_EXT("Headphone Playback Switch", 0, |
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evea_get_switch_hp, evea_set_switch_hp), |
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}; |
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static int evea_codec_probe(struct snd_soc_component *component) |
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{ |
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struct evea_priv *evea = snd_soc_component_get_drvdata(component); |
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evea->switch_lin = 1; |
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evea->switch_lo = 1; |
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evea->switch_hp = 1; |
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evea_set_power_state_on(evea); |
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evea_update_switch_all(evea); |
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return 0; |
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} |
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static int evea_codec_suspend(struct snd_soc_component *component) |
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{ |
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struct evea_priv *evea = snd_soc_component_get_drvdata(component); |
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evea_set_power_state_off(evea); |
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reset_control_assert(evea->rst_adamv); |
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reset_control_assert(evea->rst_exiv); |
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reset_control_assert(evea->rst); |
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clk_disable_unprepare(evea->clk_exiv); |
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clk_disable_unprepare(evea->clk); |
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return 0; |
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} |
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static int evea_codec_resume(struct snd_soc_component *component) |
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{ |
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struct evea_priv *evea = snd_soc_component_get_drvdata(component); |
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int ret; |
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ret = clk_prepare_enable(evea->clk); |
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if (ret) |
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return ret; |
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ret = clk_prepare_enable(evea->clk_exiv); |
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if (ret) |
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goto err_out_clock; |
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ret = reset_control_deassert(evea->rst); |
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if (ret) |
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goto err_out_clock_exiv; |
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ret = reset_control_deassert(evea->rst_exiv); |
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if (ret) |
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goto err_out_reset; |
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ret = reset_control_deassert(evea->rst_adamv); |
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if (ret) |
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goto err_out_reset_exiv; |
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evea_set_power_state_on(evea); |
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evea_update_switch_all(evea); |
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return 0; |
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err_out_reset_exiv: |
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reset_control_assert(evea->rst_exiv); |
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err_out_reset: |
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reset_control_assert(evea->rst); |
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err_out_clock_exiv: |
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clk_disable_unprepare(evea->clk_exiv); |
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err_out_clock: |
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clk_disable_unprepare(evea->clk); |
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return ret; |
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} |
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static struct snd_soc_component_driver soc_codec_evea = { |
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.probe = evea_codec_probe, |
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.suspend = evea_codec_suspend, |
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.resume = evea_codec_resume, |
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.dapm_widgets = evea_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(evea_widgets), |
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.dapm_routes = evea_routes, |
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.num_dapm_routes = ARRAY_SIZE(evea_routes), |
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.controls = evea_controls, |
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.num_controls = ARRAY_SIZE(evea_controls), |
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.idle_bias_on = 1, |
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.use_pmdown_time = 1, |
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.endianness = 1, |
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.non_legacy_dai_naming = 1, |
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}; |
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static struct snd_soc_dai_driver soc_dai_evea[] = { |
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{ |
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.name = DRV_NAME "-line1", |
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.playback = { |
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.stream_name = "Line Out 1", |
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.formats = EVEA_FORMATS, |
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.rates = EVEA_RATES, |
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.channels_min = 2, |
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.channels_max = 2, |
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}, |
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.capture = { |
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.stream_name = "Line In 1", |
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.formats = EVEA_FORMATS, |
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.rates = EVEA_RATES, |
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.channels_min = 2, |
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.channels_max = 2, |
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}, |
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}, |
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{ |
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.name = DRV_NAME "-hp1", |
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.playback = { |
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.stream_name = "Headphone 1", |
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.formats = EVEA_FORMATS, |
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.rates = EVEA_RATES, |
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.channels_min = 2, |
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.channels_max = 2, |
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}, |
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}, |
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{ |
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.name = DRV_NAME "-lo2", |
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.playback = { |
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.stream_name = "Line Out 2", |
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.formats = EVEA_FORMATS, |
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.rates = EVEA_RATES, |
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.channels_min = 2, |
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.channels_max = 2, |
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}, |
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}, |
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}; |
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static const struct regmap_config evea_regmap_config = { |
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.reg_bits = 32, |
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.reg_stride = 4, |
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.val_bits = 32, |
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.max_register = 0xffc, |
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.cache_type = REGCACHE_NONE, |
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}; |
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static int evea_probe(struct platform_device *pdev) |
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{ |
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struct evea_priv *evea; |
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void __iomem *preg; |
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int ret; |
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evea = devm_kzalloc(&pdev->dev, sizeof(struct evea_priv), GFP_KERNEL); |
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if (!evea) |
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return -ENOMEM; |
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evea->clk = devm_clk_get(&pdev->dev, "evea"); |
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if (IS_ERR(evea->clk)) |
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return PTR_ERR(evea->clk); |
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evea->clk_exiv = devm_clk_get(&pdev->dev, "exiv"); |
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if (IS_ERR(evea->clk_exiv)) |
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return PTR_ERR(evea->clk_exiv); |
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evea->rst = devm_reset_control_get_shared(&pdev->dev, "evea"); |
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if (IS_ERR(evea->rst)) |
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return PTR_ERR(evea->rst); |
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evea->rst_exiv = devm_reset_control_get_shared(&pdev->dev, "exiv"); |
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if (IS_ERR(evea->rst_exiv)) |
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return PTR_ERR(evea->rst_exiv); |
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preg = devm_platform_ioremap_resource(pdev, 0); |
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if (IS_ERR(preg)) |
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return PTR_ERR(preg); |
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evea->regmap = devm_regmap_init_mmio(&pdev->dev, preg, |
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&evea_regmap_config); |
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if (IS_ERR(evea->regmap)) |
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return PTR_ERR(evea->regmap); |
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ret = clk_prepare_enable(evea->clk); |
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if (ret) |
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return ret; |
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ret = clk_prepare_enable(evea->clk_exiv); |
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if (ret) |
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goto err_out_clock; |
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ret = reset_control_deassert(evea->rst); |
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if (ret) |
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goto err_out_clock_exiv; |
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ret = reset_control_deassert(evea->rst_exiv); |
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if (ret) |
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goto err_out_reset; |
|
|
|
/* ADAMV will hangup if EXIV reset is asserted */ |
|
evea->rst_adamv = devm_reset_control_get_shared(&pdev->dev, "adamv"); |
|
if (IS_ERR(evea->rst_adamv)) { |
|
ret = PTR_ERR(evea->rst_adamv); |
|
goto err_out_reset_exiv; |
|
} |
|
|
|
ret = reset_control_deassert(evea->rst_adamv); |
|
if (ret) |
|
goto err_out_reset_exiv; |
|
|
|
platform_set_drvdata(pdev, evea); |
|
|
|
ret = devm_snd_soc_register_component(&pdev->dev, &soc_codec_evea, |
|
soc_dai_evea, ARRAY_SIZE(soc_dai_evea)); |
|
if (ret) |
|
goto err_out_reset_adamv; |
|
|
|
return 0; |
|
|
|
err_out_reset_adamv: |
|
reset_control_assert(evea->rst_adamv); |
|
|
|
err_out_reset_exiv: |
|
reset_control_assert(evea->rst_exiv); |
|
|
|
err_out_reset: |
|
reset_control_assert(evea->rst); |
|
|
|
err_out_clock_exiv: |
|
clk_disable_unprepare(evea->clk_exiv); |
|
|
|
err_out_clock: |
|
clk_disable_unprepare(evea->clk); |
|
|
|
return ret; |
|
} |
|
|
|
static int evea_remove(struct platform_device *pdev) |
|
{ |
|
struct evea_priv *evea = platform_get_drvdata(pdev); |
|
|
|
reset_control_assert(evea->rst_adamv); |
|
reset_control_assert(evea->rst_exiv); |
|
reset_control_assert(evea->rst); |
|
|
|
clk_disable_unprepare(evea->clk_exiv); |
|
clk_disable_unprepare(evea->clk); |
|
|
|
return 0; |
|
} |
|
|
|
static const struct of_device_id evea_of_match[] __maybe_unused = { |
|
{ .compatible = "socionext,uniphier-evea", }, |
|
{} |
|
}; |
|
MODULE_DEVICE_TABLE(of, evea_of_match); |
|
|
|
static struct platform_driver evea_codec_driver = { |
|
.driver = { |
|
.name = DRV_NAME, |
|
.of_match_table = of_match_ptr(evea_of_match), |
|
}, |
|
.probe = evea_probe, |
|
.remove = evea_remove, |
|
}; |
|
module_platform_driver(evea_codec_driver); |
|
|
|
MODULE_AUTHOR("Katsuhiro Suzuki <[email protected]>"); |
|
MODULE_DESCRIPTION("UniPhier EVEA codec driver"); |
|
MODULE_LICENSE("GPL v2");
|
|
|