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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
339 lines
10 KiB
C
339 lines
10 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* stac9766.c -- ALSA SoC STAC9766 codec support
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*
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* Copyright 2009 Jon Smirl, Digispeaker
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* Author: Jon Smirl <jonsmirl@gmail.com>
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*
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* Features:-
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*
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* o Support for AC97 Codec, S/PDIF
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*/
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <linux/device.h>
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#include <linux/regmap.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/ac97_codec.h>
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#include <sound/initval.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/tlv.h>
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#define STAC9766_VENDOR_ID 0x83847666
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#define STAC9766_VENDOR_ID_MASK 0xffffffff
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#define AC97_STAC_DA_CONTROL 0x6A
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#define AC97_STAC_ANALOG_SPECIAL 0x6E
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#define AC97_STAC_STEREO_MIC 0x78
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static const struct reg_default stac9766_reg_defaults[] = {
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{ 0x02, 0x8000 },
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{ 0x04, 0x8000 },
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{ 0x06, 0x8000 },
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{ 0x0a, 0x0000 },
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{ 0x0c, 0x8008 },
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{ 0x0e, 0x8008 },
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{ 0x10, 0x8808 },
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{ 0x12, 0x8808 },
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{ 0x14, 0x8808 },
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{ 0x16, 0x8808 },
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{ 0x18, 0x8808 },
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{ 0x1a, 0x0000 },
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{ 0x1c, 0x8000 },
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{ 0x20, 0x0000 },
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{ 0x22, 0x0000 },
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{ 0x28, 0x0a05 },
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{ 0x2c, 0xbb80 },
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{ 0x32, 0xbb80 },
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{ 0x3a, 0x2000 },
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{ 0x3e, 0x0100 },
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{ 0x4c, 0x0300 },
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{ 0x4e, 0xffff },
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{ 0x50, 0x0000 },
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{ 0x52, 0x0000 },
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{ 0x54, 0x0000 },
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{ 0x6a, 0x0000 },
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{ 0x6e, 0x1000 },
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{ 0x72, 0x0000 },
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{ 0x78, 0x0000 },
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};
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static const struct regmap_config stac9766_regmap_config = {
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.reg_bits = 16,
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.reg_stride = 2,
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.val_bits = 16,
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.max_register = 0x78,
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.cache_type = REGCACHE_RBTREE,
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.volatile_reg = regmap_ac97_default_volatile,
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.reg_defaults = stac9766_reg_defaults,
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.num_reg_defaults = ARRAY_SIZE(stac9766_reg_defaults),
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};
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static const char *stac9766_record_mux[] = {"Mic", "CD", "Video", "AUX",
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"Line", "Stereo Mix", "Mono Mix", "Phone"};
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static const char *stac9766_mono_mux[] = {"Mix", "Mic"};
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static const char *stac9766_mic_mux[] = {"Mic1", "Mic2"};
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static const char *stac9766_SPDIF_mux[] = {"PCM", "ADC Record"};
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static const char *stac9766_popbypass_mux[] = {"Normal", "Bypass Mixer"};
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static const char *stac9766_record_all_mux[] = {"All analog",
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"Analog plus DAC"};
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static const char *stac9766_boost1[] = {"0dB", "10dB"};
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static const char *stac9766_boost2[] = {"0dB", "20dB"};
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static const char *stac9766_stereo_mic[] = {"Off", "On"};
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static SOC_ENUM_DOUBLE_DECL(stac9766_record_enum,
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AC97_REC_SEL, 8, 0, stac9766_record_mux);
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static SOC_ENUM_SINGLE_DECL(stac9766_mono_enum,
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AC97_GENERAL_PURPOSE, 9, stac9766_mono_mux);
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static SOC_ENUM_SINGLE_DECL(stac9766_mic_enum,
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AC97_GENERAL_PURPOSE, 8, stac9766_mic_mux);
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static SOC_ENUM_SINGLE_DECL(stac9766_SPDIF_enum,
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AC97_STAC_DA_CONTROL, 1, stac9766_SPDIF_mux);
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static SOC_ENUM_SINGLE_DECL(stac9766_popbypass_enum,
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AC97_GENERAL_PURPOSE, 15, stac9766_popbypass_mux);
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static SOC_ENUM_SINGLE_DECL(stac9766_record_all_enum,
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AC97_STAC_ANALOG_SPECIAL, 12,
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stac9766_record_all_mux);
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static SOC_ENUM_SINGLE_DECL(stac9766_boost1_enum,
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AC97_MIC, 6, stac9766_boost1); /* 0/10dB */
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static SOC_ENUM_SINGLE_DECL(stac9766_boost2_enum,
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AC97_STAC_ANALOG_SPECIAL, 2, stac9766_boost2); /* 0/20dB */
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static SOC_ENUM_SINGLE_DECL(stac9766_stereo_mic_enum,
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AC97_STAC_STEREO_MIC, 2, stac9766_stereo_mic);
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static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(master_tlv, -4650, 150, 0);
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static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(record_tlv, 0, 150, 0);
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static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(beep_tlv, -4500, 300, 0);
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static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(mix_tlv, -3450, 150, 0);
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static const struct snd_kcontrol_new stac9766_snd_ac97_controls[] = {
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SOC_DOUBLE_TLV("Speaker Volume", AC97_MASTER, 8, 0, 31, 1, master_tlv),
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SOC_SINGLE("Speaker Switch", AC97_MASTER, 15, 1, 1),
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SOC_DOUBLE_TLV("Headphone Volume", AC97_HEADPHONE, 8, 0, 31, 1,
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master_tlv),
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SOC_SINGLE("Headphone Switch", AC97_HEADPHONE, 15, 1, 1),
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SOC_SINGLE_TLV("Mono Out Volume", AC97_MASTER_MONO, 0, 31, 1,
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master_tlv),
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SOC_SINGLE("Mono Out Switch", AC97_MASTER_MONO, 15, 1, 1),
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SOC_DOUBLE_TLV("Record Volume", AC97_REC_GAIN, 8, 0, 15, 0, record_tlv),
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SOC_SINGLE("Record Switch", AC97_REC_GAIN, 15, 1, 1),
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SOC_SINGLE_TLV("Beep Volume", AC97_PC_BEEP, 1, 15, 1, beep_tlv),
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SOC_SINGLE("Beep Switch", AC97_PC_BEEP, 15, 1, 1),
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SOC_SINGLE("Beep Frequency", AC97_PC_BEEP, 5, 127, 1),
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SOC_SINGLE_TLV("Phone Volume", AC97_PHONE, 0, 31, 1, mix_tlv),
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SOC_SINGLE("Phone Switch", AC97_PHONE, 15, 1, 1),
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SOC_ENUM("Mic Boost1", stac9766_boost1_enum),
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SOC_ENUM("Mic Boost2", stac9766_boost2_enum),
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SOC_SINGLE_TLV("Mic Volume", AC97_MIC, 0, 31, 1, mix_tlv),
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SOC_SINGLE("Mic Switch", AC97_MIC, 15, 1, 1),
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SOC_ENUM("Stereo Mic", stac9766_stereo_mic_enum),
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SOC_DOUBLE_TLV("Line Volume", AC97_LINE, 8, 0, 31, 1, mix_tlv),
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SOC_SINGLE("Line Switch", AC97_LINE, 15, 1, 1),
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SOC_DOUBLE_TLV("CD Volume", AC97_CD, 8, 0, 31, 1, mix_tlv),
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SOC_SINGLE("CD Switch", AC97_CD, 15, 1, 1),
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SOC_DOUBLE_TLV("AUX Volume", AC97_AUX, 8, 0, 31, 1, mix_tlv),
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SOC_SINGLE("AUX Switch", AC97_AUX, 15, 1, 1),
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SOC_DOUBLE_TLV("Video Volume", AC97_VIDEO, 8, 0, 31, 1, mix_tlv),
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SOC_SINGLE("Video Switch", AC97_VIDEO, 15, 1, 1),
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SOC_DOUBLE_TLV("DAC Volume", AC97_PCM, 8, 0, 31, 1, mix_tlv),
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SOC_SINGLE("DAC Switch", AC97_PCM, 15, 1, 1),
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SOC_SINGLE("Loopback Test Switch", AC97_GENERAL_PURPOSE, 7, 1, 0),
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SOC_SINGLE("3D Volume", AC97_3D_CONTROL, 3, 2, 1),
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SOC_SINGLE("3D Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
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SOC_ENUM("SPDIF Mux", stac9766_SPDIF_enum),
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SOC_ENUM("Mic1/2 Mux", stac9766_mic_enum),
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SOC_ENUM("Record All Mux", stac9766_record_all_enum),
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SOC_ENUM("Record Mux", stac9766_record_enum),
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SOC_ENUM("Mono Mux", stac9766_mono_enum),
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SOC_ENUM("Pop Bypass Mux", stac9766_popbypass_enum),
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};
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static int ac97_analog_prepare(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_component *component = dai->component;
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struct snd_pcm_runtime *runtime = substream->runtime;
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unsigned short reg;
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/* enable variable rate audio, disable SPDIF output */
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snd_soc_component_update_bits(component, AC97_EXTENDED_STATUS, 0x5, 0x1);
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
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reg = AC97_PCM_FRONT_DAC_RATE;
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else
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reg = AC97_PCM_LR_ADC_RATE;
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return snd_soc_component_write(component, reg, runtime->rate);
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}
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static int ac97_digital_prepare(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_component *component = dai->component;
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struct snd_pcm_runtime *runtime = substream->runtime;
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unsigned short reg;
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snd_soc_component_write(component, AC97_SPDIF, 0x2002);
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/* Enable VRA and SPDIF out */
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snd_soc_component_update_bits(component, AC97_EXTENDED_STATUS, 0x5, 0x5);
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reg = AC97_PCM_FRONT_DAC_RATE;
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return snd_soc_component_write(component, reg, runtime->rate);
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}
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static int stac9766_set_bias_level(struct snd_soc_component *component,
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enum snd_soc_bias_level level)
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{
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switch (level) {
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case SND_SOC_BIAS_ON: /* full On */
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case SND_SOC_BIAS_PREPARE: /* partial On */
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case SND_SOC_BIAS_STANDBY: /* Off, with power */
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snd_soc_component_write(component, AC97_POWERDOWN, 0x0000);
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break;
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case SND_SOC_BIAS_OFF: /* Off, without power */
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/* disable everything including AC link */
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snd_soc_component_write(component, AC97_POWERDOWN, 0xffff);
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break;
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}
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return 0;
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}
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static int stac9766_component_resume(struct snd_soc_component *component)
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{
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struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
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return snd_ac97_reset(ac97, true, STAC9766_VENDOR_ID,
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STAC9766_VENDOR_ID_MASK);
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}
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static const struct snd_soc_dai_ops stac9766_dai_ops_analog = {
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.prepare = ac97_analog_prepare,
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};
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static const struct snd_soc_dai_ops stac9766_dai_ops_digital = {
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.prepare = ac97_digital_prepare,
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};
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static struct snd_soc_dai_driver stac9766_dai[] = {
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{
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.name = "stac9766-hifi-analog",
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/* stream cababilities */
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.playback = {
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.stream_name = "stac9766 analog",
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.channels_min = 1,
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.channels_max = 2,
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.rates = SNDRV_PCM_RATE_8000_48000,
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.formats = SND_SOC_STD_AC97_FMTS,
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},
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.capture = {
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.stream_name = "stac9766 analog",
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.channels_min = 1,
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.channels_max = 2,
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.rates = SNDRV_PCM_RATE_8000_48000,
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.formats = SND_SOC_STD_AC97_FMTS,
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},
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/* alsa ops */
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.ops = &stac9766_dai_ops_analog,
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},
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{
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.name = "stac9766-hifi-IEC958",
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/* stream cababilities */
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.playback = {
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.stream_name = "stac9766 IEC958",
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.channels_min = 1,
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.channels_max = 2,
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.rates = SNDRV_PCM_RATE_32000 | \
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SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
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.formats = SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE,
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},
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/* alsa ops */
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.ops = &stac9766_dai_ops_digital,
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}
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};
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static int stac9766_component_probe(struct snd_soc_component *component)
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{
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struct snd_ac97 *ac97;
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struct regmap *regmap;
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int ret;
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ac97 = snd_soc_new_ac97_component(component, STAC9766_VENDOR_ID,
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STAC9766_VENDOR_ID_MASK);
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if (IS_ERR(ac97))
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return PTR_ERR(ac97);
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regmap = regmap_init_ac97(ac97, &stac9766_regmap_config);
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if (IS_ERR(regmap)) {
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ret = PTR_ERR(regmap);
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goto err_free_ac97;
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}
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snd_soc_component_init_regmap(component, regmap);
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snd_soc_component_set_drvdata(component, ac97);
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return 0;
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err_free_ac97:
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snd_soc_free_ac97_component(ac97);
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return ret;
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}
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static void stac9766_component_remove(struct snd_soc_component *component)
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{
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struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
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snd_soc_component_exit_regmap(component);
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snd_soc_free_ac97_component(ac97);
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}
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static const struct snd_soc_component_driver soc_component_dev_stac9766 = {
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.controls = stac9766_snd_ac97_controls,
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.num_controls = ARRAY_SIZE(stac9766_snd_ac97_controls),
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.set_bias_level = stac9766_set_bias_level,
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.probe = stac9766_component_probe,
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.remove = stac9766_component_remove,
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.resume = stac9766_component_resume,
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.suspend_bias_off = 1,
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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 int stac9766_probe(struct platform_device *pdev)
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{
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return devm_snd_soc_register_component(&pdev->dev,
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&soc_component_dev_stac9766, stac9766_dai, ARRAY_SIZE(stac9766_dai));
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}
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static struct platform_driver stac9766_codec_driver = {
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.driver = {
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.name = "stac9766-codec",
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},
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.probe = stac9766_probe,
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};
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module_platform_driver(stac9766_codec_driver);
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MODULE_DESCRIPTION("ASoC stac9766 driver");
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MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
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MODULE_LICENSE("GPL");
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