^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) // Copyright (c) 2020 BayLibre, SAS.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) // Author: Jerome Brunet <jbrunet@baylibre.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/bitfield.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/clk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <sound/pcm_params.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/regulator/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/reset.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <sound/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <sound/soc-dai.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <dt-bindings/sound/meson-g12a-toacodec.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "axg-tdm.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "meson-codec-glue.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define G12A_TOACODEC_DRV_NAME "g12a-toacodec"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define TOACODEC_CTRL0 0x0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define CTRL0_ENABLE_SHIFT 31
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define CTRL0_DAT_SEL_SHIFT 14
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define CTRL0_DAT_SEL (0x3 << CTRL0_DAT_SEL_SHIFT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define CTRL0_LANE_SEL 12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define CTRL0_LRCLK_SEL GENMASK(9, 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define CTRL0_BLK_CAP_INV BIT(7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define CTRL0_BCLK_O_INV BIT(6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define CTRL0_BCLK_SEL GENMASK(5, 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define CTRL0_MCLK_SEL GENMASK(2, 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define TOACODEC_OUT_CHMAX 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static const char * const g12a_toacodec_mux_texts[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) "I2S A", "I2S B", "I2S C",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) static int g12a_toacodec_mux_put_enum(struct snd_kcontrol *kcontrol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) struct snd_ctl_elem_value *ucontrol)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct snd_soc_component *component =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) snd_soc_dapm_kcontrol_component(kcontrol);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct snd_soc_dapm_context *dapm =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) snd_soc_dapm_kcontrol_dapm(kcontrol);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) unsigned int mux, changed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) mux = snd_soc_enum_item_to_val(e, ucontrol->value.enumerated.item[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) changed = snd_soc_component_test_bits(component, e->reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) CTRL0_DAT_SEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) FIELD_PREP(CTRL0_DAT_SEL, mux));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) if (!changed)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) /* Force disconnect of the mux while updating */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) snd_soc_dapm_mux_update_power(dapm, kcontrol, 0, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) snd_soc_component_update_bits(component, e->reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) CTRL0_DAT_SEL |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) CTRL0_LRCLK_SEL |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) CTRL0_BCLK_SEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) FIELD_PREP(CTRL0_DAT_SEL, mux) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) FIELD_PREP(CTRL0_LRCLK_SEL, mux) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) FIELD_PREP(CTRL0_BCLK_SEL, mux));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) * FIXME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) * On this soc, the glue gets the MCLK directly from the clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) * controller instead of going the through the TDM interface.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) * Here we assume interface A uses clock A, etc ... While it is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) * true for now, it could be different. Instead the glue should
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * find out the clock used by the interface and select the same
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * source. For that, we will need regmap backed clock mux which
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * is a work in progress
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) snd_soc_component_update_bits(component, e->reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) CTRL0_MCLK_SEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) FIELD_PREP(CTRL0_MCLK_SEL, mux));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) static SOC_ENUM_SINGLE_DECL(g12a_toacodec_mux_enum, TOACODEC_CTRL0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) CTRL0_DAT_SEL_SHIFT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) g12a_toacodec_mux_texts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) static const struct snd_kcontrol_new g12a_toacodec_mux =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) SOC_DAPM_ENUM_EXT("Source", g12a_toacodec_mux_enum,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) snd_soc_dapm_get_enum_double,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) g12a_toacodec_mux_put_enum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) static const struct snd_kcontrol_new g12a_toacodec_out_enable =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) SOC_DAPM_SINGLE_AUTODISABLE("Switch", TOACODEC_CTRL0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) CTRL0_ENABLE_SHIFT, 1, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) static const struct snd_soc_dapm_widget g12a_toacodec_widgets[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) SND_SOC_DAPM_MUX("SRC", SND_SOC_NOPM, 0, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) &g12a_toacodec_mux),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) SND_SOC_DAPM_SWITCH("OUT EN", SND_SOC_NOPM, 0, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) &g12a_toacodec_out_enable),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) static int g12a_toacodec_input_hw_params(struct snd_pcm_substream *substream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) struct snd_pcm_hw_params *params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct snd_soc_dai *dai)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) struct meson_codec_glue_input *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) ret = meson_codec_glue_input_hw_params(substream, params, dai);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) /* The glue will provide 1 lane out of the 4 to the output */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) data = meson_codec_glue_input_get_data(dai);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) data->params.channels_min = min_t(unsigned int, TOACODEC_OUT_CHMAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) data->params.channels_min);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) data->params.channels_max = min_t(unsigned int, TOACODEC_OUT_CHMAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) data->params.channels_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) static const struct snd_soc_dai_ops g12a_toacodec_input_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) .hw_params = g12a_toacodec_input_hw_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) .set_fmt = meson_codec_glue_input_set_fmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) static const struct snd_soc_dai_ops g12a_toacodec_output_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) .startup = meson_codec_glue_output_startup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) #define TOACODEC_STREAM(xname, xsuffix, xchmax) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) .stream_name = xname " " xsuffix, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) .channels_min = 1, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) .channels_max = (xchmax), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) .rate_min = 5512, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) .rate_max = 192000, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) .formats = AXG_TDM_FORMATS, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) #define TOACODEC_INPUT(xname, xid) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) .name = xname, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) .id = (xid), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) .playback = TOACODEC_STREAM(xname, "Playback", 8), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) .ops = &g12a_toacodec_input_ops, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) .probe = meson_codec_glue_input_dai_probe, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) .remove = meson_codec_glue_input_dai_remove, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) #define TOACODEC_OUTPUT(xname, xid) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) .name = xname, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) .id = (xid), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) .capture = TOACODEC_STREAM(xname, "Capture", TOACODEC_OUT_CHMAX), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) .ops = &g12a_toacodec_output_ops, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) static struct snd_soc_dai_driver g12a_toacodec_dai_drv[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) TOACODEC_INPUT("IN A", TOACODEC_IN_A),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) TOACODEC_INPUT("IN B", TOACODEC_IN_B),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) TOACODEC_INPUT("IN C", TOACODEC_IN_C),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) TOACODEC_OUTPUT("OUT", TOACODEC_OUT),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) static int g12a_toacodec_component_probe(struct snd_soc_component *c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) /* Initialize the static clock parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) return snd_soc_component_write(c, TOACODEC_CTRL0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) CTRL0_BLK_CAP_INV);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) static const struct snd_soc_dapm_route g12a_toacodec_routes[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) { "SRC", "I2S A", "IN A Playback" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) { "SRC", "I2S B", "IN B Playback" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) { "SRC", "I2S C", "IN C Playback" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) { "OUT EN", "Switch", "SRC" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) { "OUT Capture", NULL, "OUT EN" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) static const struct snd_kcontrol_new g12a_toacodec_controls[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) SOC_SINGLE("Lane Select", TOACODEC_CTRL0, CTRL0_LANE_SEL, 3, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) static const struct snd_soc_component_driver g12a_toacodec_component_drv = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) .probe = g12a_toacodec_component_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) .controls = g12a_toacodec_controls,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) .num_controls = ARRAY_SIZE(g12a_toacodec_controls),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) .dapm_widgets = g12a_toacodec_widgets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) .num_dapm_widgets = ARRAY_SIZE(g12a_toacodec_widgets),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) .dapm_routes = g12a_toacodec_routes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) .num_dapm_routes = ARRAY_SIZE(g12a_toacodec_routes),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) .endianness = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) .non_legacy_dai_naming = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) static const struct regmap_config g12a_toacodec_regmap_cfg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) .reg_bits = 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) .val_bits = 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) .reg_stride = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) static const struct of_device_id g12a_toacodec_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) { .compatible = "amlogic,g12a-toacodec", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) MODULE_DEVICE_TABLE(of, g12a_toacodec_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) static int g12a_toacodec_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) struct device *dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) void __iomem *regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) struct regmap *map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) ret = device_reset(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) regs = devm_platform_ioremap_resource(pdev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) if (IS_ERR(regs))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) return PTR_ERR(regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) map = devm_regmap_init_mmio(dev, regs, &g12a_toacodec_regmap_cfg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) if (IS_ERR(map)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) dev_err(dev, "failed to init regmap: %ld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) PTR_ERR(map));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) return PTR_ERR(map);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) return devm_snd_soc_register_component(dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) &g12a_toacodec_component_drv, g12a_toacodec_dai_drv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) ARRAY_SIZE(g12a_toacodec_dai_drv));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) static struct platform_driver g12a_toacodec_pdrv = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) .name = G12A_TOACODEC_DRV_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) .of_match_table = g12a_toacodec_of_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) .probe = g12a_toacodec_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) module_platform_driver(g12a_toacodec_pdrv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) MODULE_AUTHOR("Jerome Brunet <jbrunet@baylibre.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) MODULE_DESCRIPTION("Amlogic G12a To Internal DAC Codec Driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) MODULE_LICENSE("GPL v2");