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048d658978
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is (mostly) ignored and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new() which already returns void. Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Takashi Iwai <tiwai@suse.de> Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> Link: https://lore.kernel.org/r/20230315150745.67084-167-u.kleine-koenig@pengutronix.de Signed-off-by: Mark Brown <broonie@kernel.org>
570 lines
15 KiB
C
570 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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};
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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,
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
},
|
|
},
|
|
};
|
|
|
|
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 void 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);
|
|
}
|
|
|
|
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_new = 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");
|