mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-18 13:08:08 +07:00
4e5bc35988
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Link: https://lore.kernel.org/r/20190727150738.54764-22-yuehaibing@huawei.com Signed-off-by: Mark Brown <broonie@kernel.org>
573 lines
15 KiB
C
573 lines
15 KiB
C
// 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 = {
|
|
.reg_bits = 32,
|
|
.reg_stride = 4,
|
|
.val_bits = 32,
|
|
.max_register = 0xffc,
|
|
.cache_type = REGCACHE_NONE,
|
|
};
|
|
|
|
static int evea_probe(struct platform_device *pdev)
|
|
{
|
|
struct evea_priv *evea;
|
|
void __iomem *preg;
|
|
int ret;
|
|
|
|
evea = devm_kzalloc(&pdev->dev, sizeof(struct evea_priv), GFP_KERNEL);
|
|
if (!evea)
|
|
return -ENOMEM;
|
|
|
|
evea->clk = devm_clk_get(&pdev->dev, "evea");
|
|
if (IS_ERR(evea->clk))
|
|
return PTR_ERR(evea->clk);
|
|
|
|
evea->clk_exiv = devm_clk_get(&pdev->dev, "exiv");
|
|
if (IS_ERR(evea->clk_exiv))
|
|
return PTR_ERR(evea->clk_exiv);
|
|
|
|
evea->rst = devm_reset_control_get_shared(&pdev->dev, "evea");
|
|
if (IS_ERR(evea->rst))
|
|
return PTR_ERR(evea->rst);
|
|
|
|
evea->rst_exiv = devm_reset_control_get_shared(&pdev->dev, "exiv");
|
|
if (IS_ERR(evea->rst_exiv))
|
|
return PTR_ERR(evea->rst_exiv);
|
|
|
|
preg = devm_platform_ioremap_resource(pdev, 0);
|
|
if (IS_ERR(preg))
|
|
return PTR_ERR(preg);
|
|
|
|
evea->regmap = devm_regmap_init_mmio(&pdev->dev, preg,
|
|
&evea_regmap_config);
|
|
if (IS_ERR(evea->regmap))
|
|
return PTR_ERR(evea->regmap);
|
|
|
|
ret = clk_prepare_enable(evea->clk);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = clk_prepare_enable(evea->clk_exiv);
|
|
if (ret)
|
|
goto err_out_clock;
|
|
|
|
ret = reset_control_deassert(evea->rst);
|
|
if (ret)
|
|
goto err_out_clock_exiv;
|
|
|
|
ret = reset_control_deassert(evea->rst_exiv);
|
|
if (ret)
|
|
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[] = {
|
|
{ .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 <suzuki.katsuhiro@socionext.com>");
|
|
MODULE_DESCRIPTION("UniPhier EVEA codec driver");
|
|
MODULE_LICENSE("GPL v2");
|