^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) // Littlemill audio support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) // Copyright 2011 Wolfson Microelectronics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <sound/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <sound/soc-dapm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <sound/jack.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "../codecs/wm8994.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) static int sample_rate = 44100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) static int littlemill_set_bias_level(struct snd_soc_card *card,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) struct snd_soc_dapm_context *dapm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) enum snd_soc_bias_level level)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) struct snd_soc_pcm_runtime *rtd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct snd_soc_dai *aif1_dai;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) aif1_dai = asoc_rtd_to_codec(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) if (dapm->dev != aif1_dai->dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) switch (level) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) case SND_SOC_BIAS_PREPARE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * If we've not already clocked things via hw_params()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * then do so now, otherwise these are noops.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) ret = snd_soc_dai_set_pll(aif1_dai, WM8994_FLL1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) WM8994_FLL_SRC_MCLK2, 32768,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) sample_rate * 512);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) pr_err("Failed to start FLL: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) ret = snd_soc_dai_set_sysclk(aif1_dai,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) WM8994_SYSCLK_FLL1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) sample_rate * 512,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) SND_SOC_CLOCK_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) pr_err("Failed to set SYSCLK: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) static int littlemill_set_bias_level_post(struct snd_soc_card *card,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) struct snd_soc_dapm_context *dapm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) enum snd_soc_bias_level level)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) struct snd_soc_pcm_runtime *rtd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) struct snd_soc_dai *aif1_dai;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) aif1_dai = asoc_rtd_to_codec(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) if (dapm->dev != aif1_dai->dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) switch (level) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) case SND_SOC_BIAS_STANDBY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) ret = snd_soc_dai_set_sysclk(aif1_dai, WM8994_SYSCLK_MCLK2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) 32768, SND_SOC_CLOCK_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) pr_err("Failed to switch away from FLL1: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) ret = snd_soc_dai_set_pll(aif1_dai, WM8994_FLL1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) pr_err("Failed to stop FLL1: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) dapm->bias_level = level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) static int littlemill_hw_params(struct snd_pcm_substream *substream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) struct snd_pcm_hw_params *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) sample_rate = params_rate(params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) ret = snd_soc_dai_set_pll(codec_dai, WM8994_FLL1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) WM8994_FLL_SRC_MCLK2, 32768,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) sample_rate * 512);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) pr_err("Failed to start FLL: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) ret = snd_soc_dai_set_sysclk(codec_dai,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) WM8994_SYSCLK_FLL1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) sample_rate * 512,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) SND_SOC_CLOCK_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) pr_err("Failed to set SYSCLK: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) static struct snd_soc_ops littlemill_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) .hw_params = littlemill_hw_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) static const struct snd_soc_pcm_stream baseband_params = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) .formats = SNDRV_PCM_FMTBIT_S32_LE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) .rate_min = 8000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) .rate_max = 8000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) .channels_min = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) .channels_max = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) SND_SOC_DAILINK_DEFS(cpu,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) DAILINK_COMP_ARRAY(COMP_CODEC("wm8994-codec", "wm8994-aif1")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) SND_SOC_DAILINK_DEFS(baseband,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) DAILINK_COMP_ARRAY(COMP_CPU("wm8994-aif2")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) "wm1250-ev1")));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) static struct snd_soc_dai_link littlemill_dai[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) .name = "CPU",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) .stream_name = "CPU",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) | SND_SOC_DAIFMT_CBM_CFM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) .ops = &littlemill_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) SND_SOC_DAILINK_REG(cpu),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) .name = "Baseband",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) .stream_name = "Baseband",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) | SND_SOC_DAIFMT_CBM_CFM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) .ignore_suspend = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) .params = &baseband_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) SND_SOC_DAILINK_REG(baseband),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) static int bbclk_ev(struct snd_soc_dapm_widget *w,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) struct snd_kcontrol *kcontrol, int event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) struct snd_soc_card *card = w->dapm->card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) struct snd_soc_pcm_runtime *rtd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) struct snd_soc_dai *aif2_dai;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) aif2_dai = asoc_rtd_to_cpu(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) switch (event) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) case SND_SOC_DAPM_PRE_PMU:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) ret = snd_soc_dai_set_pll(aif2_dai, WM8994_FLL2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) WM8994_FLL_SRC_BCLK, 64 * 8000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 8000 * 256);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) pr_err("Failed to start FLL: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) ret = snd_soc_dai_set_sysclk(aif2_dai, WM8994_SYSCLK_FLL2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 8000 * 256,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) SND_SOC_CLOCK_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) pr_err("Failed to set SYSCLK: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) case SND_SOC_DAPM_POST_PMD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) ret = snd_soc_dai_set_sysclk(aif2_dai, WM8994_SYSCLK_MCLK2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 32768, SND_SOC_CLOCK_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) pr_err("Failed to switch away from FLL2: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) return ret;
^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) ret = snd_soc_dai_set_pll(aif2_dai, WM8994_FLL2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) pr_err("Failed to stop FLL2: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) static const struct snd_kcontrol_new controls[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) SOC_DAPM_PIN_SWITCH("WM1250 Input"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) SOC_DAPM_PIN_SWITCH("WM1250 Output"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) static struct snd_soc_dapm_widget widgets[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) SND_SOC_DAPM_HP("Headphone", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) SND_SOC_DAPM_MIC("AMIC", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) SND_SOC_DAPM_MIC("DMIC", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) SND_SOC_DAPM_SUPPLY_S("Baseband Clock", -1, SND_SOC_NOPM, 0, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) bbclk_ev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) static struct snd_soc_dapm_route audio_paths[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) { "Headphone", NULL, "HPOUT1L" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) { "Headphone", NULL, "HPOUT1R" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) { "AMIC", NULL, "MICBIAS1" }, /* Default for AMICBIAS jumper */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) { "IN1LN", NULL, "AMIC" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) { "DMIC", NULL, "MICBIAS2" }, /* Default for DMICBIAS jumper */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) { "DMIC1DAT", NULL, "DMIC" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) { "DMIC2DAT", NULL, "DMIC" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) { "AIF2CLK", NULL, "Baseband Clock" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) static struct snd_soc_jack littlemill_headset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) static int littlemill_late_probe(struct snd_soc_card *card)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) struct snd_soc_pcm_runtime *rtd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) struct snd_soc_component *component;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) struct snd_soc_dai *aif1_dai;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) struct snd_soc_dai *aif2_dai;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) component = asoc_rtd_to_codec(rtd, 0)->component;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) aif1_dai = asoc_rtd_to_codec(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) rtd = snd_soc_get_pcm_runtime(card, &card->dai_link[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) aif2_dai = asoc_rtd_to_cpu(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) ret = snd_soc_dai_set_sysclk(aif1_dai, WM8994_SYSCLK_MCLK2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 32768, SND_SOC_CLOCK_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) ret = snd_soc_dai_set_sysclk(aif2_dai, WM8994_SYSCLK_MCLK2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 32768, SND_SOC_CLOCK_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) ret = snd_soc_card_jack_new(card, "Headset",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) SND_JACK_HEADSET | SND_JACK_MECHANICAL |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) SND_JACK_BTN_0 | SND_JACK_BTN_1 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) SND_JACK_BTN_2 | SND_JACK_BTN_3 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) SND_JACK_BTN_4 | SND_JACK_BTN_5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) &littlemill_headset, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) /* This will check device compatibility itself */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) wm8958_mic_detect(component, &littlemill_headset, NULL, NULL, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) /* As will this */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) wm8994_mic_detect(component, &littlemill_headset, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) static struct snd_soc_card littlemill = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) .name = "Littlemill",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) .dai_link = littlemill_dai,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) .num_links = ARRAY_SIZE(littlemill_dai),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) .set_bias_level = littlemill_set_bias_level,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) .set_bias_level_post = littlemill_set_bias_level_post,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) .controls = controls,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) .num_controls = ARRAY_SIZE(controls),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) .dapm_widgets = widgets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) .num_dapm_widgets = ARRAY_SIZE(widgets),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) .dapm_routes = audio_paths,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) .num_dapm_routes = ARRAY_SIZE(audio_paths),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) .late_probe = littlemill_late_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) static int littlemill_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) struct snd_soc_card *card = &littlemill;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) card->dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) ret = devm_snd_soc_register_card(&pdev->dev, card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) if (ret && ret != -EPROBE_DEFER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) static struct platform_driver littlemill_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) .name = "littlemill",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) .pm = &snd_soc_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) .probe = littlemill_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) module_platform_driver(littlemill_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) MODULE_DESCRIPTION("Littlemill audio support");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) MODULE_ALIAS("platform:littlemill");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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