123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377 |
- // SPDX-License-Identifier: (GPL-2.0 OR MIT)
- //
- // Copyright (c) 2018 BayLibre, SAS.
- // Author: Jerome Brunet <jbrunet@baylibre.com>
- /*
- * This driver implements the frontend playback DAI of AXG and G12A based SoCs
- */
- #include <linux/clk.h>
- #include <linux/regmap.h>
- #include <linux/module.h>
- #include <linux/of_platform.h>
- #include <sound/soc.h>
- #include <sound/soc-dai.h>
- #include "axg-fifo.h"
- #define CTRL0_FRDDR_PP_MODE BIT(30)
- #define CTRL0_SEL1_EN_SHIFT 3
- #define CTRL0_SEL2_SHIFT 4
- #define CTRL0_SEL2_EN_SHIFT 7
- #define CTRL0_SEL3_SHIFT 8
- #define CTRL0_SEL3_EN_SHIFT 11
- #define CTRL1_FRDDR_FORCE_FINISH BIT(12)
- #define CTRL2_SEL1_SHIFT 0
- #define CTRL2_SEL1_EN_SHIFT 4
- #define CTRL2_SEL2_SHIFT 8
- #define CTRL2_SEL2_EN_SHIFT 12
- #define CTRL2_SEL3_SHIFT 16
- #define CTRL2_SEL3_EN_SHIFT 20
- static int g12a_frddr_dai_prepare(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
- {
- struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai);
- /* Reset the read pointer to the FIFO_INIT_ADDR */
- regmap_update_bits(fifo->map, FIFO_CTRL1,
- CTRL1_FRDDR_FORCE_FINISH, 0);
- regmap_update_bits(fifo->map, FIFO_CTRL1,
- CTRL1_FRDDR_FORCE_FINISH, CTRL1_FRDDR_FORCE_FINISH);
- regmap_update_bits(fifo->map, FIFO_CTRL1,
- CTRL1_FRDDR_FORCE_FINISH, 0);
- return 0;
- }
- static int axg_frddr_dai_startup(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
- {
- struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai);
- unsigned int val;
- int ret;
- /* Enable pclk to access registers and clock the fifo ip */
- ret = clk_prepare_enable(fifo->pclk);
- if (ret)
- return ret;
- /* Apply single buffer mode to the interface */
- regmap_update_bits(fifo->map, FIFO_CTRL0, CTRL0_FRDDR_PP_MODE, 0);
- /* Use all fifo depth */
- val = (fifo->depth / AXG_FIFO_BURST) - 1;
- regmap_update_bits(fifo->map, FIFO_CTRL1, CTRL1_FRDDR_DEPTH_MASK,
- CTRL1_FRDDR_DEPTH(val));
- return 0;
- }
- static void axg_frddr_dai_shutdown(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
- {
- struct axg_fifo *fifo = snd_soc_dai_get_drvdata(dai);
- clk_disable_unprepare(fifo->pclk);
- }
- static int axg_frddr_pcm_new(struct snd_soc_pcm_runtime *rtd,
- struct snd_soc_dai *dai)
- {
- return axg_fifo_pcm_new(rtd, SNDRV_PCM_STREAM_PLAYBACK);
- }
- static const struct snd_soc_dai_ops axg_frddr_ops = {
- .startup = axg_frddr_dai_startup,
- .shutdown = axg_frddr_dai_shutdown,
- };
- static struct snd_soc_dai_driver axg_frddr_dai_drv = {
- .name = "FRDDR",
- .playback = {
- .stream_name = "Playback",
- .channels_min = 1,
- .channels_max = AXG_FIFO_CH_MAX,
- .rates = AXG_FIFO_RATES,
- .formats = AXG_FIFO_FORMATS,
- },
- .ops = &axg_frddr_ops,
- .pcm_new = axg_frddr_pcm_new,
- };
- static const char * const axg_frddr_sel_texts[] = {
- "OUT 0", "OUT 1", "OUT 2", "OUT 3", "OUT 4", "OUT 5", "OUT 6", "OUT 7",
- };
- static SOC_ENUM_SINGLE_DECL(axg_frddr_sel_enum, FIFO_CTRL0, CTRL0_SEL_SHIFT,
- axg_frddr_sel_texts);
- static const struct snd_kcontrol_new axg_frddr_out_demux =
- SOC_DAPM_ENUM("Output Sink", axg_frddr_sel_enum);
- static const struct snd_soc_dapm_widget axg_frddr_dapm_widgets[] = {
- SND_SOC_DAPM_DEMUX("SINK SEL", SND_SOC_NOPM, 0, 0,
- &axg_frddr_out_demux),
- SND_SOC_DAPM_AIF_OUT("OUT 0", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 1", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 2", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 3", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 4", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 5", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 6", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 7", NULL, 0, SND_SOC_NOPM, 0, 0),
- };
- static const struct snd_soc_dapm_route axg_frddr_dapm_routes[] = {
- { "SINK SEL", NULL, "Playback" },
- { "OUT 0", "OUT 0", "SINK SEL" },
- { "OUT 1", "OUT 1", "SINK SEL" },
- { "OUT 2", "OUT 2", "SINK SEL" },
- { "OUT 3", "OUT 3", "SINK SEL" },
- { "OUT 4", "OUT 4", "SINK SEL" },
- { "OUT 5", "OUT 5", "SINK SEL" },
- { "OUT 6", "OUT 6", "SINK SEL" },
- { "OUT 7", "OUT 7", "SINK SEL" },
- };
- static const struct snd_soc_component_driver axg_frddr_component_drv = {
- .dapm_widgets = axg_frddr_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(axg_frddr_dapm_widgets),
- .dapm_routes = axg_frddr_dapm_routes,
- .num_dapm_routes = ARRAY_SIZE(axg_frddr_dapm_routes),
- .open = axg_fifo_pcm_open,
- .close = axg_fifo_pcm_close,
- .hw_params = axg_fifo_pcm_hw_params,
- .hw_free = axg_fifo_pcm_hw_free,
- .pointer = axg_fifo_pcm_pointer,
- .trigger = axg_fifo_pcm_trigger,
- };
- static const struct axg_fifo_match_data axg_frddr_match_data = {
- .field_threshold = REG_FIELD(FIFO_CTRL1, 16, 23),
- .component_drv = &axg_frddr_component_drv,
- .dai_drv = &axg_frddr_dai_drv
- };
- static const struct snd_soc_dai_ops g12a_frddr_ops = {
- .prepare = g12a_frddr_dai_prepare,
- .startup = axg_frddr_dai_startup,
- .shutdown = axg_frddr_dai_shutdown,
- };
- static struct snd_soc_dai_driver g12a_frddr_dai_drv = {
- .name = "FRDDR",
- .playback = {
- .stream_name = "Playback",
- .channels_min = 1,
- .channels_max = AXG_FIFO_CH_MAX,
- .rates = AXG_FIFO_RATES,
- .formats = AXG_FIFO_FORMATS,
- },
- .ops = &g12a_frddr_ops,
- .pcm_new = axg_frddr_pcm_new,
- };
- static SOC_ENUM_SINGLE_DECL(g12a_frddr_sel1_enum, FIFO_CTRL0, CTRL0_SEL_SHIFT,
- axg_frddr_sel_texts);
- static SOC_ENUM_SINGLE_DECL(g12a_frddr_sel2_enum, FIFO_CTRL0, CTRL0_SEL2_SHIFT,
- axg_frddr_sel_texts);
- static SOC_ENUM_SINGLE_DECL(g12a_frddr_sel3_enum, FIFO_CTRL0, CTRL0_SEL3_SHIFT,
- axg_frddr_sel_texts);
- static const struct snd_kcontrol_new g12a_frddr_out1_demux =
- SOC_DAPM_ENUM("Output Src 1", g12a_frddr_sel1_enum);
- static const struct snd_kcontrol_new g12a_frddr_out2_demux =
- SOC_DAPM_ENUM("Output Src 2", g12a_frddr_sel2_enum);
- static const struct snd_kcontrol_new g12a_frddr_out3_demux =
- SOC_DAPM_ENUM("Output Src 3", g12a_frddr_sel3_enum);
- static const struct snd_kcontrol_new g12a_frddr_out1_enable =
- SOC_DAPM_SINGLE_AUTODISABLE("Switch", FIFO_CTRL0,
- CTRL0_SEL1_EN_SHIFT, 1, 0);
- static const struct snd_kcontrol_new g12a_frddr_out2_enable =
- SOC_DAPM_SINGLE_AUTODISABLE("Switch", FIFO_CTRL0,
- CTRL0_SEL2_EN_SHIFT, 1, 0);
- static const struct snd_kcontrol_new g12a_frddr_out3_enable =
- SOC_DAPM_SINGLE_AUTODISABLE("Switch", FIFO_CTRL0,
- CTRL0_SEL3_EN_SHIFT, 1, 0);
- static const struct snd_soc_dapm_widget g12a_frddr_dapm_widgets[] = {
- SND_SOC_DAPM_AIF_OUT("SRC 1", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("SRC 2", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("SRC 3", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_SWITCH("SRC 1 EN", SND_SOC_NOPM, 0, 0,
- &g12a_frddr_out1_enable),
- SND_SOC_DAPM_SWITCH("SRC 2 EN", SND_SOC_NOPM, 0, 0,
- &g12a_frddr_out2_enable),
- SND_SOC_DAPM_SWITCH("SRC 3 EN", SND_SOC_NOPM, 0, 0,
- &g12a_frddr_out3_enable),
- SND_SOC_DAPM_DEMUX("SINK 1 SEL", SND_SOC_NOPM, 0, 0,
- &g12a_frddr_out1_demux),
- SND_SOC_DAPM_DEMUX("SINK 2 SEL", SND_SOC_NOPM, 0, 0,
- &g12a_frddr_out2_demux),
- SND_SOC_DAPM_DEMUX("SINK 3 SEL", SND_SOC_NOPM, 0, 0,
- &g12a_frddr_out3_demux),
- SND_SOC_DAPM_AIF_OUT("OUT 0", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 1", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 2", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 3", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 4", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 5", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 6", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 7", NULL, 0, SND_SOC_NOPM, 0, 0),
- };
- static const struct snd_soc_dapm_route g12a_frddr_dapm_routes[] = {
- { "SRC 1", NULL, "Playback" },
- { "SRC 2", NULL, "Playback" },
- { "SRC 3", NULL, "Playback" },
- { "SRC 1 EN", "Switch", "SRC 1" },
- { "SRC 2 EN", "Switch", "SRC 2" },
- { "SRC 3 EN", "Switch", "SRC 3" },
- { "SINK 1 SEL", NULL, "SRC 1 EN" },
- { "SINK 2 SEL", NULL, "SRC 2 EN" },
- { "SINK 3 SEL", NULL, "SRC 3 EN" },
- { "OUT 0", "OUT 0", "SINK 1 SEL" },
- { "OUT 1", "OUT 1", "SINK 1 SEL" },
- { "OUT 2", "OUT 2", "SINK 1 SEL" },
- { "OUT 3", "OUT 3", "SINK 1 SEL" },
- { "OUT 4", "OUT 4", "SINK 1 SEL" },
- { "OUT 5", "OUT 5", "SINK 1 SEL" },
- { "OUT 6", "OUT 6", "SINK 1 SEL" },
- { "OUT 7", "OUT 7", "SINK 1 SEL" },
- { "OUT 0", "OUT 0", "SINK 2 SEL" },
- { "OUT 1", "OUT 1", "SINK 2 SEL" },
- { "OUT 2", "OUT 2", "SINK 2 SEL" },
- { "OUT 3", "OUT 3", "SINK 2 SEL" },
- { "OUT 4", "OUT 4", "SINK 2 SEL" },
- { "OUT 5", "OUT 5", "SINK 2 SEL" },
- { "OUT 6", "OUT 6", "SINK 2 SEL" },
- { "OUT 7", "OUT 7", "SINK 2 SEL" },
- { "OUT 0", "OUT 0", "SINK 3 SEL" },
- { "OUT 1", "OUT 1", "SINK 3 SEL" },
- { "OUT 2", "OUT 2", "SINK 3 SEL" },
- { "OUT 3", "OUT 3", "SINK 3 SEL" },
- { "OUT 4", "OUT 4", "SINK 3 SEL" },
- { "OUT 5", "OUT 5", "SINK 3 SEL" },
- { "OUT 6", "OUT 6", "SINK 3 SEL" },
- { "OUT 7", "OUT 7", "SINK 3 SEL" },
- };
- static const struct snd_soc_component_driver g12a_frddr_component_drv = {
- .dapm_widgets = g12a_frddr_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(g12a_frddr_dapm_widgets),
- .dapm_routes = g12a_frddr_dapm_routes,
- .num_dapm_routes = ARRAY_SIZE(g12a_frddr_dapm_routes),
- .open = axg_fifo_pcm_open,
- .close = axg_fifo_pcm_close,
- .hw_params = g12a_fifo_pcm_hw_params,
- .hw_free = axg_fifo_pcm_hw_free,
- .pointer = axg_fifo_pcm_pointer,
- .trigger = axg_fifo_pcm_trigger,
- };
- static const struct axg_fifo_match_data g12a_frddr_match_data = {
- .field_threshold = REG_FIELD(FIFO_CTRL1, 16, 23),
- .component_drv = &g12a_frddr_component_drv,
- .dai_drv = &g12a_frddr_dai_drv
- };
- /* On SM1, the output selection in on CTRL2 */
- static const struct snd_kcontrol_new sm1_frddr_out1_enable =
- SOC_DAPM_SINGLE_AUTODISABLE("Switch", FIFO_CTRL2,
- CTRL2_SEL1_EN_SHIFT, 1, 0);
- static const struct snd_kcontrol_new sm1_frddr_out2_enable =
- SOC_DAPM_SINGLE_AUTODISABLE("Switch", FIFO_CTRL2,
- CTRL2_SEL2_EN_SHIFT, 1, 0);
- static const struct snd_kcontrol_new sm1_frddr_out3_enable =
- SOC_DAPM_SINGLE_AUTODISABLE("Switch", FIFO_CTRL2,
- CTRL2_SEL3_EN_SHIFT, 1, 0);
- static SOC_ENUM_SINGLE_DECL(sm1_frddr_sel1_enum, FIFO_CTRL2, CTRL2_SEL1_SHIFT,
- axg_frddr_sel_texts);
- static SOC_ENUM_SINGLE_DECL(sm1_frddr_sel2_enum, FIFO_CTRL2, CTRL2_SEL2_SHIFT,
- axg_frddr_sel_texts);
- static SOC_ENUM_SINGLE_DECL(sm1_frddr_sel3_enum, FIFO_CTRL2, CTRL2_SEL3_SHIFT,
- axg_frddr_sel_texts);
- static const struct snd_kcontrol_new sm1_frddr_out1_demux =
- SOC_DAPM_ENUM("Output Src 1", sm1_frddr_sel1_enum);
- static const struct snd_kcontrol_new sm1_frddr_out2_demux =
- SOC_DAPM_ENUM("Output Src 2", sm1_frddr_sel2_enum);
- static const struct snd_kcontrol_new sm1_frddr_out3_demux =
- SOC_DAPM_ENUM("Output Src 3", sm1_frddr_sel3_enum);
- static const struct snd_soc_dapm_widget sm1_frddr_dapm_widgets[] = {
- SND_SOC_DAPM_AIF_OUT("SRC 1", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("SRC 2", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("SRC 3", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_SWITCH("SRC 1 EN", SND_SOC_NOPM, 0, 0,
- &sm1_frddr_out1_enable),
- SND_SOC_DAPM_SWITCH("SRC 2 EN", SND_SOC_NOPM, 0, 0,
- &sm1_frddr_out2_enable),
- SND_SOC_DAPM_SWITCH("SRC 3 EN", SND_SOC_NOPM, 0, 0,
- &sm1_frddr_out3_enable),
- SND_SOC_DAPM_DEMUX("SINK 1 SEL", SND_SOC_NOPM, 0, 0,
- &sm1_frddr_out1_demux),
- SND_SOC_DAPM_DEMUX("SINK 2 SEL", SND_SOC_NOPM, 0, 0,
- &sm1_frddr_out2_demux),
- SND_SOC_DAPM_DEMUX("SINK 3 SEL", SND_SOC_NOPM, 0, 0,
- &sm1_frddr_out3_demux),
- SND_SOC_DAPM_AIF_OUT("OUT 0", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 1", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 2", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 3", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 4", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 5", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 6", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("OUT 7", NULL, 0, SND_SOC_NOPM, 0, 0),
- };
- static const struct snd_soc_component_driver sm1_frddr_component_drv = {
- .dapm_widgets = sm1_frddr_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(sm1_frddr_dapm_widgets),
- .dapm_routes = g12a_frddr_dapm_routes,
- .num_dapm_routes = ARRAY_SIZE(g12a_frddr_dapm_routes),
- .open = axg_fifo_pcm_open,
- .close = axg_fifo_pcm_close,
- .hw_params = g12a_fifo_pcm_hw_params,
- .hw_free = axg_fifo_pcm_hw_free,
- .pointer = axg_fifo_pcm_pointer,
- .trigger = axg_fifo_pcm_trigger,
- };
- static const struct axg_fifo_match_data sm1_frddr_match_data = {
- .field_threshold = REG_FIELD(FIFO_CTRL1, 16, 23),
- .component_drv = &sm1_frddr_component_drv,
- .dai_drv = &g12a_frddr_dai_drv
- };
- static const struct of_device_id axg_frddr_of_match[] = {
- {
- .compatible = "amlogic,axg-frddr",
- .data = &axg_frddr_match_data,
- }, {
- .compatible = "amlogic,g12a-frddr",
- .data = &g12a_frddr_match_data,
- }, {
- .compatible = "amlogic,sm1-frddr",
- .data = &sm1_frddr_match_data,
- }, {}
- };
- MODULE_DEVICE_TABLE(of, axg_frddr_of_match);
- static struct platform_driver axg_frddr_pdrv = {
- .probe = axg_fifo_probe,
- .driver = {
- .name = "axg-frddr",
- .of_match_table = axg_frddr_of_match,
- },
- };
- module_platform_driver(axg_frddr_pdrv);
- MODULE_DESCRIPTION("Amlogic AXG/G12A playback fifo driver");
- MODULE_AUTHOR("Jerome Brunet <jbrunet@baylibre.com>");
- MODULE_LICENSE("GPL v2");
|