^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * tegra_wm8753.c - Tegra machine ASoC driver for boards using WM8753 codec.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Author: Stephen Warren <swarren@nvidia.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2010-2012 - NVIDIA, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Based on code copyright/by:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * (c) 2009, 2010 Nvidia Graphics Pvt. Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * Copyright 2007 Wolfson Microelectronics PLC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * Author: Graeme Gregory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/of_gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <sound/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <sound/jack.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <sound/pcm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <sound/pcm_params.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <sound/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include "../codecs/wm8753.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include "tegra_asoc_utils.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define DRV_NAME "tegra-snd-wm8753"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct tegra_wm8753 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) struct tegra_asoc_utils_data util_data;
^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 tegra_wm8753_hw_params(struct snd_pcm_substream *substream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) struct snd_pcm_hw_params *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct snd_soc_card *card = rtd->card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct tegra_wm8753 *machine = snd_soc_card_get_drvdata(card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) int srate, mclk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) srate = params_rate(params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) switch (srate) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) case 11025:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) case 22050:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) case 44100:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) case 88200:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) mclk = 11289600;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) mclk = 12288000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) dev_err(card->dev, "Can't configure clocks\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) err = snd_soc_dai_set_sysclk(codec_dai, WM8753_MCLK, mclk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) SND_SOC_CLOCK_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) dev_err(card->dev, "codec_dai clock not set\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) static const struct snd_soc_ops tegra_wm8753_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) .hw_params = tegra_wm8753_hw_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) static const struct snd_soc_dapm_widget tegra_wm8753_dapm_widgets[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) SND_SOC_DAPM_HP("Headphone Jack", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) SND_SOC_DAPM_MIC("Mic Jack", NULL),
^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) SND_SOC_DAILINK_DEFS(pcm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) DAILINK_COMP_ARRAY(COMP_EMPTY()),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8753-hifi")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) DAILINK_COMP_ARRAY(COMP_EMPTY()));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) static struct snd_soc_dai_link tegra_wm8753_dai = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) .name = "WM8753",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) .stream_name = "WM8753 PCM",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) .ops = &tegra_wm8753_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) .dai_fmt = SND_SOC_DAIFMT_I2S |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) SND_SOC_DAIFMT_NB_NF |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) SND_SOC_DAIFMT_CBS_CFS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) SND_SOC_DAILINK_REG(pcm),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) static struct snd_soc_card snd_soc_tegra_wm8753 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) .name = "tegra-wm8753",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) .driver_name = "tegra",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) .dai_link = &tegra_wm8753_dai,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) .num_links = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) .dapm_widgets = tegra_wm8753_dapm_widgets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) .num_dapm_widgets = ARRAY_SIZE(tegra_wm8753_dapm_widgets),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) .fully_routed = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) static int tegra_wm8753_driver_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) struct device_node *np = pdev->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) struct snd_soc_card *card = &snd_soc_tegra_wm8753;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) struct tegra_wm8753 *machine;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) machine = devm_kzalloc(&pdev->dev, sizeof(struct tegra_wm8753),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) if (!machine)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) card->dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) snd_soc_card_set_drvdata(card, machine);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) ret = snd_soc_of_parse_card_name(card, "nvidia,model");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) tegra_wm8753_dai.codecs->of_node = of_parse_phandle(np,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) "nvidia,audio-codec", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) if (!tegra_wm8753_dai.codecs->of_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) dev_err(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) "Property 'nvidia,audio-codec' missing or invalid\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) return -EINVAL;
^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) tegra_wm8753_dai.cpus->of_node = of_parse_phandle(np,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) "nvidia,i2s-controller", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) if (!tegra_wm8753_dai.cpus->of_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) dev_err(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) "Property 'nvidia,i2s-controller' missing or invalid\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) tegra_wm8753_dai.platforms->of_node = tegra_wm8753_dai.cpus->of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) ret = devm_snd_soc_register_card(&pdev->dev, card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) static const struct of_device_id tegra_wm8753_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) { .compatible = "nvidia,tegra-audio-wm8753", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) {},
^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) static struct platform_driver tegra_wm8753_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) .name = DRV_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) .pm = &snd_soc_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) .of_match_table = tegra_wm8753_of_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) .probe = tegra_wm8753_driver_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) module_platform_driver(tegra_wm8753_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) MODULE_DESCRIPTION("Tegra+WM8753 machine ASoC driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) MODULE_ALIAS("platform:" DRV_NAME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) MODULE_DEVICE_TABLE(of, tegra_wm8753_of_match);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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