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377 lines
13 KiB
377 lines
13 KiB
// SPDX-License-Identifier: (GPL-2.0 OR MIT) |
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// |
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// Copyright (c) 2018 BayLibre, SAS. |
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// Author: Jerome Brunet <[email protected]> |
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/* |
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* This driver implements the frontend playback DAI of AXG and G12A based SoCs |
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*/ |
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#include <linux/clk.h> |
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#include <linux/regmap.h> |
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#include <linux/module.h> |
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#include <linux/of_platform.h> |
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#include <sound/soc.h> |
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#include <sound/soc-dai.h> |
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#include "axg-fifo.h" |
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#define CTRL0_FRDDR_PP_MODE BIT(30) |
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#define CTRL0_SEL1_EN_SHIFT 3 |
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#define CTRL0_SEL2_SHIFT 4 |
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#define CTRL0_SEL2_EN_SHIFT 7 |
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#define CTRL0_SEL3_SHIFT 8 |
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#define CTRL0_SEL3_EN_SHIFT 11 |
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#define CTRL1_FRDDR_FORCE_FINISH BIT(12) |
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#define CTRL2_SEL1_SHIFT 0 |
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#define CTRL2_SEL1_EN_SHIFT 4 |
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#define CTRL2_SEL2_SHIFT 8 |
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#define CTRL2_SEL2_EN_SHIFT 12 |
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#define CTRL2_SEL3_SHIFT 16 |
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#define CTRL2_SEL3_EN_SHIFT 20 |
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static int g12a_frddr_dai_prepare(struct snd_pcm_substream *substream, |
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struct snd_soc_dai *dai) |
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{ |
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struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai); |
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/* Reset the read pointer to the FIFO_INIT_ADDR */ |
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regmap_update_bits(fifo->map, FIFO_CTRL1, |
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CTRL1_FRDDR_FORCE_FINISH, 0); |
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regmap_update_bits(fifo->map, FIFO_CTRL1, |
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CTRL1_FRDDR_FORCE_FINISH, CTRL1_FRDDR_FORCE_FINISH); |
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regmap_update_bits(fifo->map, FIFO_CTRL1, |
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CTRL1_FRDDR_FORCE_FINISH, 0); |
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return 0; |
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} |
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static int axg_frddr_dai_startup(struct snd_pcm_substream *substream, |
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struct snd_soc_dai *dai) |
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{ |
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struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai); |
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unsigned int val; |
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int ret; |
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/* Enable pclk to access registers and clock the fifo ip */ |
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ret = clk_prepare_enable(fifo->pclk); |
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if (ret) |
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return ret; |
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/* Apply single buffer mode to the interface */ |
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regmap_update_bits(fifo->map, FIFO_CTRL0, CTRL0_FRDDR_PP_MODE, 0); |
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/* Use all fifo depth */ |
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val = (fifo->depth / AXG_FIFO_BURST) - 1; |
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regmap_update_bits(fifo->map, FIFO_CTRL1, CTRL1_FRDDR_DEPTH_MASK, |
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CTRL1_FRDDR_DEPTH(val)); |
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return 0; |
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} |
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static void axg_frddr_dai_shutdown(struct snd_pcm_substream *substream, |
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struct snd_soc_dai *dai) |
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{ |
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struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai); |
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clk_disable_unprepare(fifo->pclk); |
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} |
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static int axg_frddr_pcm_new(struct snd_soc_pcm_runtime *rtd, |
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struct snd_soc_dai *dai) |
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{ |
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return axg_fifo_pcm_new(rtd, SNDRV_PCM_STREAM_PLAYBACK); |
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} |
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static const struct snd_soc_dai_ops axg_frddr_ops = { |
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.startup = axg_frddr_dai_startup, |
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.shutdown = axg_frddr_dai_shutdown, |
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}; |
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static struct snd_soc_dai_driver axg_frddr_dai_drv = { |
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.name = "FRDDR", |
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.playback = { |
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.stream_name = "Playback", |
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.channels_min = 1, |
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.channels_max = AXG_FIFO_CH_MAX, |
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.rates = AXG_FIFO_RATES, |
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.formats = AXG_FIFO_FORMATS, |
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}, |
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.ops = &axg_frddr_ops, |
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.pcm_new = axg_frddr_pcm_new, |
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}; |
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static const char * const axg_frddr_sel_texts[] = { |
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"OUT 0", "OUT 1", "OUT 2", "OUT 3", "OUT 4", "OUT 5", "OUT 6", "OUT 7", |
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}; |
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static SOC_ENUM_SINGLE_DECL(axg_frddr_sel_enum, FIFO_CTRL0, CTRL0_SEL_SHIFT, |
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axg_frddr_sel_texts); |
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static const struct snd_kcontrol_new axg_frddr_out_demux = |
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SOC_DAPM_ENUM("Output Sink", axg_frddr_sel_enum); |
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static const struct snd_soc_dapm_widget axg_frddr_dapm_widgets[] = { |
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SND_SOC_DAPM_DEMUX("SINK SEL", SND_SOC_NOPM, 0, 0, |
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&axg_frddr_out_demux), |
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SND_SOC_DAPM_AIF_OUT("OUT 0", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 1", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 2", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 3", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 4", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 5", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 6", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 7", NULL, 0, SND_SOC_NOPM, 0, 0), |
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}; |
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static const struct snd_soc_dapm_route axg_frddr_dapm_routes[] = { |
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{ "SINK SEL", NULL, "Playback" }, |
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{ "OUT 0", "OUT 0", "SINK SEL" }, |
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{ "OUT 1", "OUT 1", "SINK SEL" }, |
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{ "OUT 2", "OUT 2", "SINK SEL" }, |
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{ "OUT 3", "OUT 3", "SINK SEL" }, |
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{ "OUT 4", "OUT 4", "SINK SEL" }, |
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{ "OUT 5", "OUT 5", "SINK SEL" }, |
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{ "OUT 6", "OUT 6", "SINK SEL" }, |
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{ "OUT 7", "OUT 7", "SINK SEL" }, |
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}; |
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static const struct snd_soc_component_driver axg_frddr_component_drv = { |
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.dapm_widgets = axg_frddr_dapm_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(axg_frddr_dapm_widgets), |
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.dapm_routes = axg_frddr_dapm_routes, |
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.num_dapm_routes = ARRAY_SIZE(axg_frddr_dapm_routes), |
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.open = axg_fifo_pcm_open, |
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.close = axg_fifo_pcm_close, |
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.hw_params = axg_fifo_pcm_hw_params, |
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.hw_free = axg_fifo_pcm_hw_free, |
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.pointer = axg_fifo_pcm_pointer, |
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.trigger = axg_fifo_pcm_trigger, |
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}; |
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static const struct axg_fifo_match_data axg_frddr_match_data = { |
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.field_threshold = REG_FIELD(FIFO_CTRL1, 16, 23), |
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.component_drv = &axg_frddr_component_drv, |
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.dai_drv = &axg_frddr_dai_drv |
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}; |
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static const struct snd_soc_dai_ops g12a_frddr_ops = { |
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.prepare = g12a_frddr_dai_prepare, |
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.startup = axg_frddr_dai_startup, |
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.shutdown = axg_frddr_dai_shutdown, |
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}; |
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static struct snd_soc_dai_driver g12a_frddr_dai_drv = { |
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.name = "FRDDR", |
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.playback = { |
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.stream_name = "Playback", |
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.channels_min = 1, |
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.channels_max = AXG_FIFO_CH_MAX, |
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.rates = AXG_FIFO_RATES, |
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.formats = AXG_FIFO_FORMATS, |
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}, |
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.ops = &g12a_frddr_ops, |
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.pcm_new = axg_frddr_pcm_new, |
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}; |
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static SOC_ENUM_SINGLE_DECL(g12a_frddr_sel1_enum, FIFO_CTRL0, CTRL0_SEL_SHIFT, |
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axg_frddr_sel_texts); |
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static SOC_ENUM_SINGLE_DECL(g12a_frddr_sel2_enum, FIFO_CTRL0, CTRL0_SEL2_SHIFT, |
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axg_frddr_sel_texts); |
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static SOC_ENUM_SINGLE_DECL(g12a_frddr_sel3_enum, FIFO_CTRL0, CTRL0_SEL3_SHIFT, |
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axg_frddr_sel_texts); |
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static const struct snd_kcontrol_new g12a_frddr_out1_demux = |
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SOC_DAPM_ENUM("Output Src 1", g12a_frddr_sel1_enum); |
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static const struct snd_kcontrol_new g12a_frddr_out2_demux = |
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SOC_DAPM_ENUM("Output Src 2", g12a_frddr_sel2_enum); |
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static const struct snd_kcontrol_new g12a_frddr_out3_demux = |
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SOC_DAPM_ENUM("Output Src 3", g12a_frddr_sel3_enum); |
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static const struct snd_kcontrol_new g12a_frddr_out1_enable = |
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SOC_DAPM_SINGLE_AUTODISABLE("Switch", FIFO_CTRL0, |
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CTRL0_SEL1_EN_SHIFT, 1, 0); |
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static const struct snd_kcontrol_new g12a_frddr_out2_enable = |
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SOC_DAPM_SINGLE_AUTODISABLE("Switch", FIFO_CTRL0, |
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CTRL0_SEL2_EN_SHIFT, 1, 0); |
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static const struct snd_kcontrol_new g12a_frddr_out3_enable = |
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SOC_DAPM_SINGLE_AUTODISABLE("Switch", FIFO_CTRL0, |
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CTRL0_SEL3_EN_SHIFT, 1, 0); |
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static const struct snd_soc_dapm_widget g12a_frddr_dapm_widgets[] = { |
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SND_SOC_DAPM_AIF_OUT("SRC 1", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("SRC 2", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("SRC 3", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_SWITCH("SRC 1 EN", SND_SOC_NOPM, 0, 0, |
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&g12a_frddr_out1_enable), |
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SND_SOC_DAPM_SWITCH("SRC 2 EN", SND_SOC_NOPM, 0, 0, |
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&g12a_frddr_out2_enable), |
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SND_SOC_DAPM_SWITCH("SRC 3 EN", SND_SOC_NOPM, 0, 0, |
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&g12a_frddr_out3_enable), |
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SND_SOC_DAPM_DEMUX("SINK 1 SEL", SND_SOC_NOPM, 0, 0, |
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&g12a_frddr_out1_demux), |
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SND_SOC_DAPM_DEMUX("SINK 2 SEL", SND_SOC_NOPM, 0, 0, |
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&g12a_frddr_out2_demux), |
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SND_SOC_DAPM_DEMUX("SINK 3 SEL", SND_SOC_NOPM, 0, 0, |
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&g12a_frddr_out3_demux), |
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SND_SOC_DAPM_AIF_OUT("OUT 0", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 1", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 2", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 3", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 4", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 5", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 6", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 7", NULL, 0, SND_SOC_NOPM, 0, 0), |
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}; |
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static const struct snd_soc_dapm_route g12a_frddr_dapm_routes[] = { |
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{ "SRC 1", NULL, "Playback" }, |
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{ "SRC 2", NULL, "Playback" }, |
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{ "SRC 3", NULL, "Playback" }, |
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{ "SRC 1 EN", "Switch", "SRC 1" }, |
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{ "SRC 2 EN", "Switch", "SRC 2" }, |
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{ "SRC 3 EN", "Switch", "SRC 3" }, |
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{ "SINK 1 SEL", NULL, "SRC 1 EN" }, |
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{ "SINK 2 SEL", NULL, "SRC 2 EN" }, |
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{ "SINK 3 SEL", NULL, "SRC 3 EN" }, |
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{ "OUT 0", "OUT 0", "SINK 1 SEL" }, |
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{ "OUT 1", "OUT 1", "SINK 1 SEL" }, |
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{ "OUT 2", "OUT 2", "SINK 1 SEL" }, |
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{ "OUT 3", "OUT 3", "SINK 1 SEL" }, |
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{ "OUT 4", "OUT 4", "SINK 1 SEL" }, |
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{ "OUT 5", "OUT 5", "SINK 1 SEL" }, |
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{ "OUT 6", "OUT 6", "SINK 1 SEL" }, |
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{ "OUT 7", "OUT 7", "SINK 1 SEL" }, |
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{ "OUT 0", "OUT 0", "SINK 2 SEL" }, |
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{ "OUT 1", "OUT 1", "SINK 2 SEL" }, |
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{ "OUT 2", "OUT 2", "SINK 2 SEL" }, |
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{ "OUT 3", "OUT 3", "SINK 2 SEL" }, |
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{ "OUT 4", "OUT 4", "SINK 2 SEL" }, |
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{ "OUT 5", "OUT 5", "SINK 2 SEL" }, |
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{ "OUT 6", "OUT 6", "SINK 2 SEL" }, |
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{ "OUT 7", "OUT 7", "SINK 2 SEL" }, |
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{ "OUT 0", "OUT 0", "SINK 3 SEL" }, |
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{ "OUT 1", "OUT 1", "SINK 3 SEL" }, |
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{ "OUT 2", "OUT 2", "SINK 3 SEL" }, |
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{ "OUT 3", "OUT 3", "SINK 3 SEL" }, |
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{ "OUT 4", "OUT 4", "SINK 3 SEL" }, |
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{ "OUT 5", "OUT 5", "SINK 3 SEL" }, |
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{ "OUT 6", "OUT 6", "SINK 3 SEL" }, |
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{ "OUT 7", "OUT 7", "SINK 3 SEL" }, |
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}; |
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static const struct snd_soc_component_driver g12a_frddr_component_drv = { |
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.dapm_widgets = g12a_frddr_dapm_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(g12a_frddr_dapm_widgets), |
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.dapm_routes = g12a_frddr_dapm_routes, |
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.num_dapm_routes = ARRAY_SIZE(g12a_frddr_dapm_routes), |
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.open = axg_fifo_pcm_open, |
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.close = axg_fifo_pcm_close, |
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.hw_params = g12a_fifo_pcm_hw_params, |
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.hw_free = axg_fifo_pcm_hw_free, |
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.pointer = axg_fifo_pcm_pointer, |
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.trigger = axg_fifo_pcm_trigger, |
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}; |
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static const struct axg_fifo_match_data g12a_frddr_match_data = { |
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.field_threshold = REG_FIELD(FIFO_CTRL1, 16, 23), |
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.component_drv = &g12a_frddr_component_drv, |
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.dai_drv = &g12a_frddr_dai_drv |
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}; |
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/* On SM1, the output selection in on CTRL2 */ |
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static const struct snd_kcontrol_new sm1_frddr_out1_enable = |
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SOC_DAPM_SINGLE_AUTODISABLE("Switch", FIFO_CTRL2, |
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CTRL2_SEL1_EN_SHIFT, 1, 0); |
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static const struct snd_kcontrol_new sm1_frddr_out2_enable = |
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SOC_DAPM_SINGLE_AUTODISABLE("Switch", FIFO_CTRL2, |
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CTRL2_SEL2_EN_SHIFT, 1, 0); |
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static const struct snd_kcontrol_new sm1_frddr_out3_enable = |
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SOC_DAPM_SINGLE_AUTODISABLE("Switch", FIFO_CTRL2, |
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CTRL2_SEL3_EN_SHIFT, 1, 0); |
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static SOC_ENUM_SINGLE_DECL(sm1_frddr_sel1_enum, FIFO_CTRL2, CTRL2_SEL1_SHIFT, |
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axg_frddr_sel_texts); |
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static SOC_ENUM_SINGLE_DECL(sm1_frddr_sel2_enum, FIFO_CTRL2, CTRL2_SEL2_SHIFT, |
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axg_frddr_sel_texts); |
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static SOC_ENUM_SINGLE_DECL(sm1_frddr_sel3_enum, FIFO_CTRL2, CTRL2_SEL3_SHIFT, |
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axg_frddr_sel_texts); |
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static const struct snd_kcontrol_new sm1_frddr_out1_demux = |
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SOC_DAPM_ENUM("Output Src 1", sm1_frddr_sel1_enum); |
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static const struct snd_kcontrol_new sm1_frddr_out2_demux = |
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SOC_DAPM_ENUM("Output Src 2", sm1_frddr_sel2_enum); |
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static const struct snd_kcontrol_new sm1_frddr_out3_demux = |
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SOC_DAPM_ENUM("Output Src 3", sm1_frddr_sel3_enum); |
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static const struct snd_soc_dapm_widget sm1_frddr_dapm_widgets[] = { |
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SND_SOC_DAPM_AIF_OUT("SRC 1", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("SRC 2", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("SRC 3", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_SWITCH("SRC 1 EN", SND_SOC_NOPM, 0, 0, |
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&sm1_frddr_out1_enable), |
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SND_SOC_DAPM_SWITCH("SRC 2 EN", SND_SOC_NOPM, 0, 0, |
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&sm1_frddr_out2_enable), |
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SND_SOC_DAPM_SWITCH("SRC 3 EN", SND_SOC_NOPM, 0, 0, |
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&sm1_frddr_out3_enable), |
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SND_SOC_DAPM_DEMUX("SINK 1 SEL", SND_SOC_NOPM, 0, 0, |
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&sm1_frddr_out1_demux), |
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SND_SOC_DAPM_DEMUX("SINK 2 SEL", SND_SOC_NOPM, 0, 0, |
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&sm1_frddr_out2_demux), |
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SND_SOC_DAPM_DEMUX("SINK 3 SEL", SND_SOC_NOPM, 0, 0, |
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&sm1_frddr_out3_demux), |
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SND_SOC_DAPM_AIF_OUT("OUT 0", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 1", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 2", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 3", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 4", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 5", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 6", NULL, 0, SND_SOC_NOPM, 0, 0), |
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SND_SOC_DAPM_AIF_OUT("OUT 7", NULL, 0, SND_SOC_NOPM, 0, 0), |
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}; |
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static const struct snd_soc_component_driver sm1_frddr_component_drv = { |
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.dapm_widgets = sm1_frddr_dapm_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(sm1_frddr_dapm_widgets), |
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.dapm_routes = g12a_frddr_dapm_routes, |
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.num_dapm_routes = ARRAY_SIZE(g12a_frddr_dapm_routes), |
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.open = axg_fifo_pcm_open, |
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.close = axg_fifo_pcm_close, |
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.hw_params = g12a_fifo_pcm_hw_params, |
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.hw_free = axg_fifo_pcm_hw_free, |
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.pointer = axg_fifo_pcm_pointer, |
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.trigger = axg_fifo_pcm_trigger, |
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}; |
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static const struct axg_fifo_match_data sm1_frddr_match_data = { |
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.field_threshold = REG_FIELD(FIFO_CTRL1, 16, 23), |
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.component_drv = &sm1_frddr_component_drv, |
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.dai_drv = &g12a_frddr_dai_drv |
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}; |
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static const struct of_device_id axg_frddr_of_match[] = { |
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{ |
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.compatible = "amlogic,axg-frddr", |
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.data = &axg_frddr_match_data, |
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}, { |
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.compatible = "amlogic,g12a-frddr", |
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.data = &g12a_frddr_match_data, |
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}, { |
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.compatible = "amlogic,sm1-frddr", |
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.data = &sm1_frddr_match_data, |
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}, {} |
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}; |
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MODULE_DEVICE_TABLE(of, axg_frddr_of_match); |
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static struct platform_driver axg_frddr_pdrv = { |
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.probe = axg_fifo_probe, |
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.driver = { |
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.name = "axg-frddr", |
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.of_match_table = axg_frddr_of_match, |
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}, |
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}; |
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module_platform_driver(axg_frddr_pdrv); |
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MODULE_DESCRIPTION("Amlogic AXG/G12A playback fifo driver"); |
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MODULE_AUTHOR("Jerome Brunet <[email protected]>"); |
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MODULE_LICENSE("GPL v2");
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