165816025SJerome Brunet // SPDX-License-Identifier: GPL-2.0
265816025SJerome Brunet //
365816025SJerome Brunet // Copyright (c) 2020 BayLibre, SAS.
465816025SJerome Brunet // Author: Jerome Brunet <jbrunet@baylibre.com>
565816025SJerome Brunet
665816025SJerome Brunet #include <linux/bitfield.h>
765816025SJerome Brunet #include <sound/pcm_params.h>
865816025SJerome Brunet #include <sound/soc.h>
965816025SJerome Brunet #include <sound/soc-dai.h>
1065816025SJerome Brunet
1165816025SJerome Brunet #include <dt-bindings/sound/meson-aiu.h>
1265816025SJerome Brunet #include "aiu.h"
1365816025SJerome Brunet #include "meson-codec-glue.h"
1465816025SJerome Brunet
1565816025SJerome Brunet #define CTRL_DIN_EN 15
1665816025SJerome Brunet #define CTRL_CLK_INV BIT(14)
1765816025SJerome Brunet #define CTRL_LRCLK_INV BIT(13)
1865816025SJerome Brunet #define CTRL_I2S_IN_BCLK_SRC BIT(11)
1965816025SJerome Brunet #define CTRL_DIN_LRCLK_SRC_SHIFT 6
2065816025SJerome Brunet #define CTRL_DIN_LRCLK_SRC (0x3 << CTRL_DIN_LRCLK_SRC_SHIFT)
2165816025SJerome Brunet #define CTRL_BCLK_MCLK_SRC GENMASK(5, 4)
2265816025SJerome Brunet #define CTRL_DIN_SKEW GENMASK(3, 2)
2365816025SJerome Brunet #define CTRL_I2S_OUT_LANE_SRC 0
2465816025SJerome Brunet
2565816025SJerome Brunet #define AIU_ACODEC_OUT_CHMAX 2
2665816025SJerome Brunet
2765816025SJerome Brunet static const char * const aiu_acodec_ctrl_mux_texts[] = {
2865816025SJerome Brunet "DISABLED", "I2S", "PCM",
2965816025SJerome Brunet };
3065816025SJerome Brunet
aiu_acodec_ctrl_mux_put_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)3165816025SJerome Brunet static int aiu_acodec_ctrl_mux_put_enum(struct snd_kcontrol *kcontrol,
3265816025SJerome Brunet struct snd_ctl_elem_value *ucontrol)
3365816025SJerome Brunet {
3465816025SJerome Brunet struct snd_soc_component *component =
3565816025SJerome Brunet snd_soc_dapm_kcontrol_component(kcontrol);
3665816025SJerome Brunet struct snd_soc_dapm_context *dapm =
3765816025SJerome Brunet snd_soc_dapm_kcontrol_dapm(kcontrol);
3865816025SJerome Brunet struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
3965816025SJerome Brunet unsigned int mux, changed;
4065816025SJerome Brunet
4165816025SJerome Brunet mux = snd_soc_enum_item_to_val(e, ucontrol->value.enumerated.item[0]);
4265816025SJerome Brunet changed = snd_soc_component_test_bits(component, e->reg,
4365816025SJerome Brunet CTRL_DIN_LRCLK_SRC,
4465816025SJerome Brunet FIELD_PREP(CTRL_DIN_LRCLK_SRC,
4565816025SJerome Brunet mux));
4665816025SJerome Brunet
4765816025SJerome Brunet if (!changed)
4865816025SJerome Brunet return 0;
4965816025SJerome Brunet
5065816025SJerome Brunet /* Force disconnect of the mux while updating */
5165816025SJerome Brunet snd_soc_dapm_mux_update_power(dapm, kcontrol, 0, NULL, NULL);
5265816025SJerome Brunet
5365816025SJerome Brunet snd_soc_component_update_bits(component, e->reg,
5465816025SJerome Brunet CTRL_DIN_LRCLK_SRC |
5565816025SJerome Brunet CTRL_BCLK_MCLK_SRC,
5665816025SJerome Brunet FIELD_PREP(CTRL_DIN_LRCLK_SRC, mux) |
5765816025SJerome Brunet FIELD_PREP(CTRL_BCLK_MCLK_SRC, mux));
5865816025SJerome Brunet
5965816025SJerome Brunet snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL);
6065816025SJerome Brunet
612e3a0d1bSMark Brown return 1;
6265816025SJerome Brunet }
6365816025SJerome Brunet
6465816025SJerome Brunet static SOC_ENUM_SINGLE_DECL(aiu_acodec_ctrl_mux_enum, AIU_ACODEC_CTRL,
6565816025SJerome Brunet CTRL_DIN_LRCLK_SRC_SHIFT,
6665816025SJerome Brunet aiu_acodec_ctrl_mux_texts);
6765816025SJerome Brunet
6865816025SJerome Brunet static const struct snd_kcontrol_new aiu_acodec_ctrl_mux =
6965816025SJerome Brunet SOC_DAPM_ENUM_EXT("ACodec Source", aiu_acodec_ctrl_mux_enum,
7065816025SJerome Brunet snd_soc_dapm_get_enum_double,
7165816025SJerome Brunet aiu_acodec_ctrl_mux_put_enum);
7265816025SJerome Brunet
7365816025SJerome Brunet static const struct snd_kcontrol_new aiu_acodec_ctrl_out_enable =
7465816025SJerome Brunet SOC_DAPM_SINGLE_AUTODISABLE("Switch", AIU_ACODEC_CTRL,
7565816025SJerome Brunet CTRL_DIN_EN, 1, 0);
7665816025SJerome Brunet
7765816025SJerome Brunet static const struct snd_soc_dapm_widget aiu_acodec_ctrl_widgets[] = {
7865816025SJerome Brunet SND_SOC_DAPM_MUX("ACODEC SRC", SND_SOC_NOPM, 0, 0,
7965816025SJerome Brunet &aiu_acodec_ctrl_mux),
8065816025SJerome Brunet SND_SOC_DAPM_SWITCH("ACODEC OUT EN", SND_SOC_NOPM, 0, 0,
8165816025SJerome Brunet &aiu_acodec_ctrl_out_enable),
8265816025SJerome Brunet };
8365816025SJerome Brunet
aiu_acodec_ctrl_input_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)8465816025SJerome Brunet static int aiu_acodec_ctrl_input_hw_params(struct snd_pcm_substream *substream,
8565816025SJerome Brunet struct snd_pcm_hw_params *params,
8665816025SJerome Brunet struct snd_soc_dai *dai)
8765816025SJerome Brunet {
8865816025SJerome Brunet struct meson_codec_glue_input *data;
8965816025SJerome Brunet int ret;
9065816025SJerome Brunet
9165816025SJerome Brunet ret = meson_codec_glue_input_hw_params(substream, params, dai);
9265816025SJerome Brunet if (ret)
9365816025SJerome Brunet return ret;
9465816025SJerome Brunet
9565816025SJerome Brunet /* The glue will provide 1 lane out of the 4 to the output */
9665816025SJerome Brunet data = meson_codec_glue_input_get_data(dai);
9765816025SJerome Brunet data->params.channels_min = min_t(unsigned int, AIU_ACODEC_OUT_CHMAX,
9865816025SJerome Brunet data->params.channels_min);
9965816025SJerome Brunet data->params.channels_max = min_t(unsigned int, AIU_ACODEC_OUT_CHMAX,
10065816025SJerome Brunet data->params.channels_max);
10165816025SJerome Brunet
10265816025SJerome Brunet return 0;
10365816025SJerome Brunet }
10465816025SJerome Brunet
10565816025SJerome Brunet static const struct snd_soc_dai_ops aiu_acodec_ctrl_input_ops = {
106*2d3155a9SKuninori Morimoto .probe = meson_codec_glue_input_dai_probe,
107*2d3155a9SKuninori Morimoto .remove = meson_codec_glue_input_dai_remove,
10865816025SJerome Brunet .hw_params = aiu_acodec_ctrl_input_hw_params,
10965816025SJerome Brunet .set_fmt = meson_codec_glue_input_set_fmt,
11065816025SJerome Brunet };
11165816025SJerome Brunet
11265816025SJerome Brunet static const struct snd_soc_dai_ops aiu_acodec_ctrl_output_ops = {
11365816025SJerome Brunet .startup = meson_codec_glue_output_startup,
11465816025SJerome Brunet };
11565816025SJerome Brunet
11665816025SJerome Brunet #define AIU_ACODEC_CTRL_FORMATS \
11765816025SJerome Brunet (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
11865816025SJerome Brunet SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_LE | \
11965816025SJerome Brunet SNDRV_PCM_FMTBIT_S32_LE)
12065816025SJerome Brunet
12165816025SJerome Brunet #define AIU_ACODEC_STREAM(xname, xsuffix, xchmax) \
12265816025SJerome Brunet { \
12365816025SJerome Brunet .stream_name = xname " " xsuffix, \
12465816025SJerome Brunet .channels_min = 1, \
12565816025SJerome Brunet .channels_max = (xchmax), \
12665816025SJerome Brunet .rate_min = 5512, \
12765816025SJerome Brunet .rate_max = 192000, \
12865816025SJerome Brunet .formats = AIU_ACODEC_CTRL_FORMATS, \
12965816025SJerome Brunet }
13065816025SJerome Brunet
13165816025SJerome Brunet #define AIU_ACODEC_INPUT(xname) { \
13265816025SJerome Brunet .name = "ACODEC CTRL " xname, \
13365816025SJerome Brunet .playback = AIU_ACODEC_STREAM(xname, "Playback", 8), \
13465816025SJerome Brunet .ops = &aiu_acodec_ctrl_input_ops, \
13565816025SJerome Brunet }
13665816025SJerome Brunet
13765816025SJerome Brunet #define AIU_ACODEC_OUTPUT(xname) { \
13865816025SJerome Brunet .name = "ACODEC CTRL " xname, \
13965816025SJerome Brunet .capture = AIU_ACODEC_STREAM(xname, "Capture", AIU_ACODEC_OUT_CHMAX), \
14065816025SJerome Brunet .ops = &aiu_acodec_ctrl_output_ops, \
14165816025SJerome Brunet }
14265816025SJerome Brunet
14365816025SJerome Brunet static struct snd_soc_dai_driver aiu_acodec_ctrl_dai_drv[] = {
14465816025SJerome Brunet [CTRL_I2S] = AIU_ACODEC_INPUT("ACODEC I2S IN"),
14565816025SJerome Brunet [CTRL_PCM] = AIU_ACODEC_INPUT("ACODEC PCM IN"),
14665816025SJerome Brunet [CTRL_OUT] = AIU_ACODEC_OUTPUT("ACODEC OUT"),
14765816025SJerome Brunet };
14865816025SJerome Brunet
14965816025SJerome Brunet static const struct snd_soc_dapm_route aiu_acodec_ctrl_routes[] = {
15065816025SJerome Brunet { "ACODEC SRC", "I2S", "ACODEC I2S IN Playback" },
15165816025SJerome Brunet { "ACODEC SRC", "PCM", "ACODEC PCM IN Playback" },
15265816025SJerome Brunet { "ACODEC OUT EN", "Switch", "ACODEC SRC" },
15365816025SJerome Brunet { "ACODEC OUT Capture", NULL, "ACODEC OUT EN" },
15465816025SJerome Brunet };
15565816025SJerome Brunet
15665816025SJerome Brunet static const struct snd_kcontrol_new aiu_acodec_ctrl_controls[] = {
15765816025SJerome Brunet SOC_SINGLE("ACODEC I2S Lane Select", AIU_ACODEC_CTRL,
15865816025SJerome Brunet CTRL_I2S_OUT_LANE_SRC, 3, 0),
15965816025SJerome Brunet };
16065816025SJerome Brunet
aiu_acodec_of_xlate_dai_name(struct snd_soc_component * component,const struct of_phandle_args * args,const char ** dai_name)16165816025SJerome Brunet static int aiu_acodec_of_xlate_dai_name(struct snd_soc_component *component,
162933f98beSKrzysztof Kozlowski const struct of_phandle_args *args,
16365816025SJerome Brunet const char **dai_name)
16465816025SJerome Brunet {
16565816025SJerome Brunet return aiu_of_xlate_dai_name(component, args, dai_name, AIU_ACODEC);
16665816025SJerome Brunet }
16765816025SJerome Brunet
aiu_acodec_ctrl_component_probe(struct snd_soc_component * component)16865816025SJerome Brunet static int aiu_acodec_ctrl_component_probe(struct snd_soc_component *component)
16965816025SJerome Brunet {
17065816025SJerome Brunet /*
17165816025SJerome Brunet * NOTE: Din Skew setting
17265816025SJerome Brunet * According to the documentation, the following update adds one delay
17365816025SJerome Brunet * to the din line. Without this, the output saturates. This happens
17465816025SJerome Brunet * regardless of the link format (i2s or left_j) so it is not clear what
17565816025SJerome Brunet * it actually does but it seems to be required
17665816025SJerome Brunet */
17765816025SJerome Brunet snd_soc_component_update_bits(component, AIU_ACODEC_CTRL,
17865816025SJerome Brunet CTRL_DIN_SKEW,
17965816025SJerome Brunet FIELD_PREP(CTRL_DIN_SKEW, 2));
18065816025SJerome Brunet
18165816025SJerome Brunet return 0;
18265816025SJerome Brunet }
18365816025SJerome Brunet
18465816025SJerome Brunet static const struct snd_soc_component_driver aiu_acodec_ctrl_component = {
18565816025SJerome Brunet .name = "AIU Internal DAC Codec Control",
18665816025SJerome Brunet .probe = aiu_acodec_ctrl_component_probe,
18765816025SJerome Brunet .controls = aiu_acodec_ctrl_controls,
18865816025SJerome Brunet .num_controls = ARRAY_SIZE(aiu_acodec_ctrl_controls),
18965816025SJerome Brunet .dapm_widgets = aiu_acodec_ctrl_widgets,
19065816025SJerome Brunet .num_dapm_widgets = ARRAY_SIZE(aiu_acodec_ctrl_widgets),
19165816025SJerome Brunet .dapm_routes = aiu_acodec_ctrl_routes,
19265816025SJerome Brunet .num_dapm_routes = ARRAY_SIZE(aiu_acodec_ctrl_routes),
19365816025SJerome Brunet .of_xlate_dai_name = aiu_acodec_of_xlate_dai_name,
19465816025SJerome Brunet .endianness = 1,
195fc35880dSHeiner Kallweit #ifdef CONFIG_DEBUG_FS
196fc35880dSHeiner Kallweit .debugfs_prefix = "acodec",
197fc35880dSHeiner Kallweit #endif
19865816025SJerome Brunet };
19965816025SJerome Brunet
aiu_acodec_ctrl_register_component(struct device * dev)20065816025SJerome Brunet int aiu_acodec_ctrl_register_component(struct device *dev)
20165816025SJerome Brunet {
20202471422SJerome Brunet return snd_soc_register_component(dev, &aiu_acodec_ctrl_component,
20365816025SJerome Brunet aiu_acodec_ctrl_dai_drv,
20402471422SJerome Brunet ARRAY_SIZE(aiu_acodec_ctrl_dai_drv));
20565816025SJerome Brunet }
206