19952f691SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 286059653Szhengxing /* 386059653Szhengxing * Rockchip machine ASoC driver for boards using a RT5645/RT5650 CODEC. 486059653Szhengxing * 586059653Szhengxing * Copyright (c) 2015, ROCKCHIP CORPORATION. All rights reserved. 686059653Szhengxing */ 786059653Szhengxing 886059653Szhengxing #include <linux/module.h> 986059653Szhengxing #include <linux/platform_device.h> 1086059653Szhengxing #include <linux/slab.h> 1186059653Szhengxing #include <linux/gpio.h> 1286059653Szhengxing #include <linux/of_gpio.h> 1386059653Szhengxing #include <linux/delay.h> 1486059653Szhengxing #include <sound/core.h> 1586059653Szhengxing #include <sound/jack.h> 1686059653Szhengxing #include <sound/pcm.h> 1786059653Szhengxing #include <sound/pcm_params.h> 1886059653Szhengxing #include <sound/soc.h> 1986059653Szhengxing #include "rockchip_i2s.h" 2079223bf1SKuninori Morimoto #include "../codecs/rt5645.h" 2186059653Szhengxing 2286059653Szhengxing #define DRV_NAME "rockchip-snd-rt5645" 2386059653Szhengxing 2486059653Szhengxing static struct snd_soc_jack headset_jack; 2586059653Szhengxing 2686059653Szhengxing static const struct snd_soc_dapm_widget rk_dapm_widgets[] = { 2786059653Szhengxing SND_SOC_DAPM_HP("Headphones", NULL), 2886059653Szhengxing SND_SOC_DAPM_SPK("Speakers", NULL), 2986059653Szhengxing SND_SOC_DAPM_MIC("Headset Mic", NULL), 3086059653Szhengxing SND_SOC_DAPM_MIC("Int Mic", NULL), 3186059653Szhengxing }; 3286059653Szhengxing 3386059653Szhengxing static const struct snd_soc_dapm_route rk_audio_map[] = { 3486059653Szhengxing /* Input Lines */ 3586059653Szhengxing {"DMIC L2", NULL, "Int Mic"}, 3686059653Szhengxing {"DMIC R2", NULL, "Int Mic"}, 3786059653Szhengxing {"RECMIXL", NULL, "Headset Mic"}, 3886059653Szhengxing {"RECMIXR", NULL, "Headset Mic"}, 3986059653Szhengxing 4086059653Szhengxing /* Output Lines */ 4186059653Szhengxing {"Headphones", NULL, "HPOR"}, 4286059653Szhengxing {"Headphones", NULL, "HPOL"}, 4386059653Szhengxing {"Speakers", NULL, "SPOL"}, 4486059653Szhengxing {"Speakers", NULL, "SPOR"}, 4586059653Szhengxing }; 4686059653Szhengxing 4786059653Szhengxing static const struct snd_kcontrol_new rk_mc_controls[] = { 4886059653Szhengxing SOC_DAPM_PIN_SWITCH("Headphones"), 4986059653Szhengxing SOC_DAPM_PIN_SWITCH("Speakers"), 5086059653Szhengxing SOC_DAPM_PIN_SWITCH("Headset Mic"), 5186059653Szhengxing SOC_DAPM_PIN_SWITCH("Int Mic"), 5286059653Szhengxing }; 5386059653Szhengxing 5486059653Szhengxing static int rk_aif1_hw_params(struct snd_pcm_substream *substream, 5586059653Szhengxing struct snd_pcm_hw_params *params) 5686059653Szhengxing { 5786059653Szhengxing int ret = 0; 5886059653Szhengxing struct snd_soc_pcm_runtime *rtd = substream->private_data; 5986059653Szhengxing struct snd_soc_dai *cpu_dai = rtd->cpu_dai; 6086059653Szhengxing struct snd_soc_dai *codec_dai = rtd->codec_dai; 6186059653Szhengxing int mclk; 6286059653Szhengxing 6386059653Szhengxing switch (params_rate(params)) { 6486059653Szhengxing case 8000: 6586059653Szhengxing case 16000: 663a3b070dSCaesar Wang case 24000: 673a3b070dSCaesar Wang case 32000: 6886059653Szhengxing case 48000: 693a3b070dSCaesar Wang case 64000: 7086059653Szhengxing case 96000: 7186059653Szhengxing mclk = 12288000; 7286059653Szhengxing break; 733a3b070dSCaesar Wang case 11025: 743a3b070dSCaesar Wang case 22050: 7586059653Szhengxing case 44100: 763a3b070dSCaesar Wang case 88200: 7786059653Szhengxing mclk = 11289600; 7886059653Szhengxing break; 7986059653Szhengxing default: 8086059653Szhengxing return -EINVAL; 8186059653Szhengxing } 8286059653Szhengxing 8386059653Szhengxing ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, 8486059653Szhengxing SND_SOC_CLOCK_OUT); 8586059653Szhengxing if (ret < 0) { 8686059653Szhengxing dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret); 8786059653Szhengxing return ret; 8886059653Szhengxing } 8986059653Szhengxing 9086059653Szhengxing ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, 9186059653Szhengxing SND_SOC_CLOCK_IN); 9286059653Szhengxing if (ret < 0) { 9386059653Szhengxing dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret); 9486059653Szhengxing return ret; 9586059653Szhengxing } 9686059653Szhengxing 9786059653Szhengxing return ret; 9886059653Szhengxing } 9986059653Szhengxing 10086059653Szhengxing static int rk_init(struct snd_soc_pcm_runtime *runtime) 10186059653Szhengxing { 10286059653Szhengxing struct snd_soc_card *card = runtime->card; 10386059653Szhengxing int ret; 10486059653Szhengxing 10586059653Szhengxing /* Enable Headset and 4 Buttons Jack detection */ 10686059653Szhengxing ret = snd_soc_card_jack_new(card, "Headset Jack", 10786059653Szhengxing SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | 10886059653Szhengxing SND_JACK_BTN_0 | SND_JACK_BTN_1 | 10986059653Szhengxing SND_JACK_BTN_2 | SND_JACK_BTN_3, 11086059653Szhengxing &headset_jack, NULL, 0); 111f8ce2000SXing Zheng if (ret) { 11286059653Szhengxing dev_err(card->dev, "New Headset Jack failed! (%d)\n", ret); 11386059653Szhengxing return ret; 11486059653Szhengxing } 11586059653Szhengxing 11679223bf1SKuninori Morimoto return rt5645_set_jack_detect(runtime->codec_dai->component, 11786059653Szhengxing &headset_jack, 11886059653Szhengxing &headset_jack, 11986059653Szhengxing &headset_jack); 12086059653Szhengxing } 12186059653Szhengxing 122705e9994SJulia Lawall static const struct snd_soc_ops rk_aif1_ops = { 12386059653Szhengxing .hw_params = rk_aif1_hw_params, 12486059653Szhengxing }; 12586059653Szhengxing 12686059653Szhengxing static struct snd_soc_dai_link rk_dailink = { 12786059653Szhengxing .name = "rt5645", 12886059653Szhengxing .stream_name = "rt5645 PCM", 12986059653Szhengxing .codec_dai_name = "rt5645-aif1", 13086059653Szhengxing .init = rk_init, 13186059653Szhengxing .ops = &rk_aif1_ops, 13286059653Szhengxing /* set rt5645 as slave */ 13386059653Szhengxing .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 13486059653Szhengxing SND_SOC_DAIFMT_CBS_CFS, 13586059653Szhengxing }; 13686059653Szhengxing 13786059653Szhengxing static struct snd_soc_card snd_soc_card_rk = { 13886059653Szhengxing .name = "I2S-RT5650", 13954d8697fSAxel Lin .owner = THIS_MODULE, 14086059653Szhengxing .dai_link = &rk_dailink, 14186059653Szhengxing .num_links = 1, 14286059653Szhengxing .dapm_widgets = rk_dapm_widgets, 14386059653Szhengxing .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets), 14486059653Szhengxing .dapm_routes = rk_audio_map, 14586059653Szhengxing .num_dapm_routes = ARRAY_SIZE(rk_audio_map), 14686059653Szhengxing .controls = rk_mc_controls, 14786059653Szhengxing .num_controls = ARRAY_SIZE(rk_mc_controls), 14886059653Szhengxing }; 14986059653Szhengxing 15086059653Szhengxing static int snd_rk_mc_probe(struct platform_device *pdev) 15186059653Szhengxing { 15286059653Szhengxing int ret = 0; 15386059653Szhengxing struct snd_soc_card *card = &snd_soc_card_rk; 15486059653Szhengxing struct device_node *np = pdev->dev.of_node; 15586059653Szhengxing 15686059653Szhengxing /* register the soc card */ 15786059653Szhengxing card->dev = &pdev->dev; 15886059653Szhengxing 15986059653Szhengxing rk_dailink.codec_of_node = of_parse_phandle(np, 16086059653Szhengxing "rockchip,audio-codec", 0); 16186059653Szhengxing if (!rk_dailink.codec_of_node) { 16286059653Szhengxing dev_err(&pdev->dev, 16386059653Szhengxing "Property 'rockchip,audio-codec' missing or invalid\n"); 16486059653Szhengxing return -EINVAL; 16586059653Szhengxing } 16686059653Szhengxing 16786059653Szhengxing rk_dailink.cpu_of_node = of_parse_phandle(np, 16886059653Szhengxing "rockchip,i2s-controller", 0); 16986059653Szhengxing if (!rk_dailink.cpu_of_node) { 17086059653Szhengxing dev_err(&pdev->dev, 17186059653Szhengxing "Property 'rockchip,i2s-controller' missing or invalid\n"); 172a56df73bSAlexey Khoroshilov ret = -EINVAL; 173a56df73bSAlexey Khoroshilov goto put_codec_of_node; 17486059653Szhengxing } 17586059653Szhengxing 17686059653Szhengxing rk_dailink.platform_of_node = rk_dailink.cpu_of_node; 17786059653Szhengxing 17886059653Szhengxing ret = snd_soc_of_parse_card_name(card, "rockchip,model"); 17986059653Szhengxing if (ret) { 18086059653Szhengxing dev_err(&pdev->dev, 18186059653Szhengxing "Soc parse card name failed %d\n", ret); 182a56df73bSAlexey Khoroshilov goto put_cpu_of_node; 18386059653Szhengxing } 18486059653Szhengxing 18586059653Szhengxing ret = devm_snd_soc_register_card(&pdev->dev, card); 18686059653Szhengxing if (ret) { 18786059653Szhengxing dev_err(&pdev->dev, 18886059653Szhengxing "Soc register card failed %d\n", ret); 189a56df73bSAlexey Khoroshilov goto put_cpu_of_node; 19086059653Szhengxing } 19186059653Szhengxing 19286059653Szhengxing return ret; 193a56df73bSAlexey Khoroshilov 194a56df73bSAlexey Khoroshilov put_cpu_of_node: 195a56df73bSAlexey Khoroshilov of_node_put(rk_dailink.cpu_of_node); 196a56df73bSAlexey Khoroshilov rk_dailink.cpu_of_node = NULL; 197a56df73bSAlexey Khoroshilov put_codec_of_node: 198a56df73bSAlexey Khoroshilov of_node_put(rk_dailink.codec_of_node); 199a56df73bSAlexey Khoroshilov rk_dailink.codec_of_node = NULL; 200a56df73bSAlexey Khoroshilov 201a56df73bSAlexey Khoroshilov return ret; 202a56df73bSAlexey Khoroshilov } 203a56df73bSAlexey Khoroshilov 204a56df73bSAlexey Khoroshilov static int snd_rk_mc_remove(struct platform_device *pdev) 205a56df73bSAlexey Khoroshilov { 206a56df73bSAlexey Khoroshilov of_node_put(rk_dailink.cpu_of_node); 207a56df73bSAlexey Khoroshilov rk_dailink.cpu_of_node = NULL; 208a56df73bSAlexey Khoroshilov of_node_put(rk_dailink.codec_of_node); 209a56df73bSAlexey Khoroshilov rk_dailink.codec_of_node = NULL; 210a56df73bSAlexey Khoroshilov 211a56df73bSAlexey Khoroshilov return 0; 21286059653Szhengxing } 21386059653Szhengxing 21486059653Szhengxing static const struct of_device_id rockchip_rt5645_of_match[] = { 21586059653Szhengxing { .compatible = "rockchip,rockchip-audio-rt5645", }, 21686059653Szhengxing {}, 21786059653Szhengxing }; 21886059653Szhengxing 21986059653Szhengxing MODULE_DEVICE_TABLE(of, rockchip_rt5645_of_match); 22086059653Szhengxing 22186059653Szhengxing static struct platform_driver snd_rk_mc_driver = { 22286059653Szhengxing .probe = snd_rk_mc_probe, 223a56df73bSAlexey Khoroshilov .remove = snd_rk_mc_remove, 22486059653Szhengxing .driver = { 22586059653Szhengxing .name = DRV_NAME, 22686059653Szhengxing .pm = &snd_soc_pm_ops, 22786059653Szhengxing .of_match_table = rockchip_rt5645_of_match, 22886059653Szhengxing }, 22986059653Szhengxing }; 23086059653Szhengxing 23186059653Szhengxing module_platform_driver(snd_rk_mc_driver); 23286059653Szhengxing 23386059653Szhengxing MODULE_AUTHOR("Xing Zheng <zhengxing@rock-chips.com>"); 23486059653Szhengxing MODULE_DESCRIPTION("Rockchip rt5645 machine ASoC driver"); 23586059653Szhengxing MODULE_LICENSE("GPL v2"); 23686059653Szhengxing MODULE_ALIAS("platform:" DRV_NAME); 237