1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Rockchip machine ASoC driver for boards using a MAX90809 CODEC. 4 * 5 * Copyright (c) 2014, ROCKCHIP CORPORATION. All rights reserved. 6 */ 7 8 #include <linux/module.h> 9 #include <linux/platform_device.h> 10 #include <linux/slab.h> 11 #include <linux/gpio.h> 12 #include <linux/of_gpio.h> 13 #include <sound/core.h> 14 #include <sound/jack.h> 15 #include <sound/pcm.h> 16 #include <sound/pcm_params.h> 17 #include <sound/soc.h> 18 19 #include "rockchip_i2s.h" 20 #include "../codecs/ts3a227e.h" 21 22 #define DRV_NAME "rockchip-snd-max98090" 23 24 static struct snd_soc_jack headset_jack; 25 26 /* Headset jack detection DAPM pins */ 27 static struct snd_soc_jack_pin headset_jack_pins[] = { 28 { 29 .pin = "Headphone", 30 .mask = SND_JACK_HEADPHONE, 31 }, 32 { 33 .pin = "Headset Mic", 34 .mask = SND_JACK_MICROPHONE, 35 }, 36 37 }; 38 39 static const struct snd_soc_dapm_widget rk_dapm_widgets[] = { 40 SND_SOC_DAPM_HP("Headphone", NULL), 41 SND_SOC_DAPM_MIC("Headset Mic", NULL), 42 SND_SOC_DAPM_MIC("Int Mic", NULL), 43 SND_SOC_DAPM_SPK("Speaker", NULL), 44 }; 45 46 static const struct snd_soc_dapm_route rk_audio_map[] = { 47 {"IN34", NULL, "Headset Mic"}, 48 {"IN34", NULL, "MICBIAS"}, 49 {"Headset Mic", NULL, "MICBIAS"}, 50 {"DMICL", NULL, "Int Mic"}, 51 {"Headphone", NULL, "HPL"}, 52 {"Headphone", NULL, "HPR"}, 53 {"Speaker", NULL, "SPKL"}, 54 {"Speaker", NULL, "SPKR"}, 55 }; 56 57 static const struct snd_kcontrol_new rk_mc_controls[] = { 58 SOC_DAPM_PIN_SWITCH("Headphone"), 59 SOC_DAPM_PIN_SWITCH("Headset Mic"), 60 SOC_DAPM_PIN_SWITCH("Int Mic"), 61 SOC_DAPM_PIN_SWITCH("Speaker"), 62 }; 63 64 static int rk_aif1_hw_params(struct snd_pcm_substream *substream, 65 struct snd_pcm_hw_params *params) 66 { 67 int ret = 0; 68 struct snd_soc_pcm_runtime *rtd = substream->private_data; 69 struct snd_soc_dai *cpu_dai = rtd->cpu_dai; 70 struct snd_soc_dai *codec_dai = rtd->codec_dai; 71 int mclk; 72 73 switch (params_rate(params)) { 74 case 8000: 75 case 16000: 76 case 24000: 77 case 32000: 78 case 48000: 79 case 64000: 80 case 96000: 81 mclk = 12288000; 82 break; 83 case 11025: 84 case 22050: 85 case 44100: 86 case 88200: 87 mclk = 11289600; 88 break; 89 default: 90 return -EINVAL; 91 } 92 93 ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, 94 SND_SOC_CLOCK_OUT); 95 if (ret < 0) { 96 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret); 97 return ret; 98 } 99 100 ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, 101 SND_SOC_CLOCK_IN); 102 if (ret < 0) { 103 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret); 104 return ret; 105 } 106 107 return ret; 108 } 109 110 static const struct snd_soc_ops rk_aif1_ops = { 111 .hw_params = rk_aif1_hw_params, 112 }; 113 114 SND_SOC_DAILINK_DEFS(hifi, 115 DAILINK_COMP_ARRAY(COMP_EMPTY()), 116 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")), 117 DAILINK_COMP_ARRAY(COMP_EMPTY())); 118 119 static struct snd_soc_dai_link rk_dailink = { 120 .name = "max98090", 121 .stream_name = "Audio", 122 .ops = &rk_aif1_ops, 123 /* set max98090 as slave */ 124 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 125 SND_SOC_DAIFMT_CBS_CFS, 126 SND_SOC_DAILINK_REG(hifi), 127 }; 128 129 static int rk_98090_headset_init(struct snd_soc_component *component); 130 131 static struct snd_soc_aux_dev rk_98090_headset_dev = { 132 .name = "Headset Chip", 133 .init = rk_98090_headset_init, 134 }; 135 136 static struct snd_soc_card snd_soc_card_rk = { 137 .name = "ROCKCHIP-I2S", 138 .owner = THIS_MODULE, 139 .dai_link = &rk_dailink, 140 .num_links = 1, 141 .aux_dev = &rk_98090_headset_dev, 142 .num_aux_devs = 1, 143 .dapm_widgets = rk_dapm_widgets, 144 .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets), 145 .dapm_routes = rk_audio_map, 146 .num_dapm_routes = ARRAY_SIZE(rk_audio_map), 147 .controls = rk_mc_controls, 148 .num_controls = ARRAY_SIZE(rk_mc_controls), 149 }; 150 151 static int rk_98090_headset_init(struct snd_soc_component *component) 152 { 153 int ret; 154 155 /* Enable Headset and 4 Buttons Jack detection */ 156 ret = snd_soc_card_jack_new(&snd_soc_card_rk, "Headset Jack", 157 SND_JACK_HEADSET | 158 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 159 SND_JACK_BTN_2 | SND_JACK_BTN_3, 160 &headset_jack, 161 headset_jack_pins, 162 ARRAY_SIZE(headset_jack_pins)); 163 if (ret) 164 return ret; 165 166 ret = ts3a227e_enable_jack_detect(component, &headset_jack); 167 168 return ret; 169 } 170 171 static int snd_rk_mc_probe(struct platform_device *pdev) 172 { 173 int ret = 0; 174 struct snd_soc_card *card = &snd_soc_card_rk; 175 struct device_node *np = pdev->dev.of_node; 176 177 /* register the soc card */ 178 card->dev = &pdev->dev; 179 180 rk_dailink.codecs->of_node = of_parse_phandle(np, 181 "rockchip,audio-codec", 0); 182 if (!rk_dailink.codecs->of_node) { 183 dev_err(&pdev->dev, 184 "Property 'rockchip,audio-codec' missing or invalid\n"); 185 return -EINVAL; 186 } 187 188 rk_dailink.cpus->of_node = of_parse_phandle(np, 189 "rockchip,i2s-controller", 0); 190 if (!rk_dailink.cpus->of_node) { 191 dev_err(&pdev->dev, 192 "Property 'rockchip,i2s-controller' missing or invalid\n"); 193 return -EINVAL; 194 } 195 196 rk_dailink.platforms->of_node = rk_dailink.cpus->of_node; 197 198 rk_98090_headset_dev.codec_of_node = of_parse_phandle(np, 199 "rockchip,headset-codec", 0); 200 if (!rk_98090_headset_dev.codec_of_node) { 201 dev_err(&pdev->dev, 202 "Property 'rockchip,headset-codec' missing/invalid\n"); 203 return -EINVAL; 204 } 205 206 ret = snd_soc_of_parse_card_name(card, "rockchip,model"); 207 if (ret) { 208 dev_err(&pdev->dev, 209 "Soc parse card name failed %d\n", ret); 210 return ret; 211 } 212 213 ret = devm_snd_soc_register_card(&pdev->dev, card); 214 if (ret) { 215 dev_err(&pdev->dev, 216 "Soc register card failed %d\n", ret); 217 return ret; 218 } 219 220 return ret; 221 } 222 223 static const struct of_device_id rockchip_max98090_of_match[] = { 224 { .compatible = "rockchip,rockchip-audio-max98090", }, 225 {}, 226 }; 227 228 MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match); 229 230 static struct platform_driver snd_rk_mc_driver = { 231 .probe = snd_rk_mc_probe, 232 .driver = { 233 .name = DRV_NAME, 234 .pm = &snd_soc_pm_ops, 235 .of_match_table = rockchip_max98090_of_match, 236 }, 237 }; 238 239 module_platform_driver(snd_rk_mc_driver); 240 241 MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>"); 242 MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver"); 243 MODULE_LICENSE("GPL v2"); 244 MODULE_ALIAS("platform:" DRV_NAME); 245