1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Rockchip machine ASoC driver for boards using a RT5645/RT5650 CODEC. 4 * 5 * Copyright (c) 2015, 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/delay.h> 12 #include <sound/core.h> 13 #include <sound/jack.h> 14 #include <sound/pcm.h> 15 #include <sound/pcm_params.h> 16 #include <sound/soc.h> 17 #include "rockchip_i2s.h" 18 #include "../codecs/rt5645.h" 19 20 #define DRV_NAME "rockchip-snd-rt5645" 21 22 static struct snd_soc_jack headset_jack; 23 static struct snd_soc_jack_pin headset_jack_pins[] = { 24 { 25 .pin = "Headphones", 26 .mask = SND_JACK_HEADPHONE, 27 }, 28 { 29 .pin = "Headset Mic", 30 .mask = SND_JACK_MICROPHONE, 31 }, 32 }; 33 34 static const struct snd_soc_dapm_widget rk_dapm_widgets[] = { 35 SND_SOC_DAPM_HP("Headphones", NULL), 36 SND_SOC_DAPM_SPK("Speakers", NULL), 37 SND_SOC_DAPM_MIC("Headset Mic", NULL), 38 SND_SOC_DAPM_MIC("Int Mic", NULL), 39 }; 40 41 static const struct snd_soc_dapm_route rk_audio_map[] = { 42 /* Input Lines */ 43 {"DMIC L2", NULL, "Int Mic"}, 44 {"DMIC R2", NULL, "Int Mic"}, 45 {"RECMIXL", NULL, "Headset Mic"}, 46 {"RECMIXR", NULL, "Headset Mic"}, 47 48 /* Output Lines */ 49 {"Headphones", NULL, "HPOR"}, 50 {"Headphones", NULL, "HPOL"}, 51 {"Speakers", NULL, "SPOL"}, 52 {"Speakers", NULL, "SPOR"}, 53 }; 54 55 static const struct snd_kcontrol_new rk_mc_controls[] = { 56 SOC_DAPM_PIN_SWITCH("Headphones"), 57 SOC_DAPM_PIN_SWITCH("Speakers"), 58 SOC_DAPM_PIN_SWITCH("Headset Mic"), 59 SOC_DAPM_PIN_SWITCH("Int Mic"), 60 }; 61 62 static int rk_aif1_hw_params(struct snd_pcm_substream *substream, 63 struct snd_pcm_hw_params *params) 64 { 65 int ret = 0; 66 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 67 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); 68 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0); 69 int mclk; 70 71 switch (params_rate(params)) { 72 case 8000: 73 case 16000: 74 case 24000: 75 case 32000: 76 case 48000: 77 case 64000: 78 case 96000: 79 mclk = 12288000; 80 break; 81 case 11025: 82 case 22050: 83 case 44100: 84 case 88200: 85 mclk = 11289600; 86 break; 87 default: 88 return -EINVAL; 89 } 90 91 ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, 92 SND_SOC_CLOCK_OUT); 93 if (ret < 0) { 94 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret); 95 return ret; 96 } 97 98 ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, 99 SND_SOC_CLOCK_IN); 100 if (ret < 0) { 101 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret); 102 return ret; 103 } 104 105 return ret; 106 } 107 108 static int rk_init(struct snd_soc_pcm_runtime *runtime) 109 { 110 struct snd_soc_card *card = runtime->card; 111 int ret; 112 113 /* Enable Headset and 4 Buttons Jack detection */ 114 ret = snd_soc_card_jack_new_pins(card, "Headset Jack", 115 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | 116 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 117 SND_JACK_BTN_2 | SND_JACK_BTN_3, 118 &headset_jack, 119 headset_jack_pins, 120 ARRAY_SIZE(headset_jack_pins)); 121 if (ret) { 122 dev_err(card->dev, "New Headset Jack failed! (%d)\n", ret); 123 return ret; 124 } 125 126 return rt5645_set_jack_detect(snd_soc_rtd_to_codec(runtime, 0)->component, 127 &headset_jack, 128 &headset_jack, 129 &headset_jack); 130 } 131 132 static const struct snd_soc_ops rk_aif1_ops = { 133 .hw_params = rk_aif1_hw_params, 134 }; 135 136 SND_SOC_DAILINK_DEFS(pcm, 137 DAILINK_COMP_ARRAY(COMP_EMPTY()), 138 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1")), 139 DAILINK_COMP_ARRAY(COMP_EMPTY())); 140 141 static struct snd_soc_dai_link rk_dailink = { 142 .name = "rt5645", 143 .stream_name = "rt5645 PCM", 144 .init = rk_init, 145 .ops = &rk_aif1_ops, 146 /* set rt5645 as slave */ 147 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 148 SND_SOC_DAIFMT_CBS_CFS, 149 SND_SOC_DAILINK_REG(pcm), 150 }; 151 152 static struct snd_soc_card snd_soc_card_rk = { 153 .name = "I2S-RT5650", 154 .owner = THIS_MODULE, 155 .dai_link = &rk_dailink, 156 .num_links = 1, 157 .dapm_widgets = rk_dapm_widgets, 158 .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets), 159 .dapm_routes = rk_audio_map, 160 .num_dapm_routes = ARRAY_SIZE(rk_audio_map), 161 .controls = rk_mc_controls, 162 .num_controls = ARRAY_SIZE(rk_mc_controls), 163 }; 164 165 static int snd_rk_mc_probe(struct platform_device *pdev) 166 { 167 int ret = 0; 168 struct snd_soc_card *card = &snd_soc_card_rk; 169 struct device_node *np = pdev->dev.of_node; 170 171 /* register the soc card */ 172 card->dev = &pdev->dev; 173 174 rk_dailink.codecs->of_node = of_parse_phandle(np, 175 "rockchip,audio-codec", 0); 176 if (!rk_dailink.codecs->of_node) { 177 dev_err(&pdev->dev, 178 "Property 'rockchip,audio-codec' missing or invalid\n"); 179 return -EINVAL; 180 } 181 182 rk_dailink.cpus->of_node = of_parse_phandle(np, 183 "rockchip,i2s-controller", 0); 184 if (!rk_dailink.cpus->of_node) { 185 dev_err(&pdev->dev, 186 "Property 'rockchip,i2s-controller' missing or invalid\n"); 187 ret = -EINVAL; 188 goto put_codec_of_node; 189 } 190 191 rk_dailink.platforms->of_node = rk_dailink.cpus->of_node; 192 193 ret = snd_soc_of_parse_card_name(card, "rockchip,model"); 194 if (ret) { 195 dev_err(&pdev->dev, 196 "Soc parse card name failed %d\n", ret); 197 goto put_cpu_of_node; 198 } 199 200 ret = devm_snd_soc_register_card(&pdev->dev, card); 201 if (ret) { 202 dev_err(&pdev->dev, 203 "Soc register card failed %d\n", ret); 204 goto put_cpu_of_node; 205 } 206 207 return ret; 208 209 put_cpu_of_node: 210 of_node_put(rk_dailink.cpus->of_node); 211 rk_dailink.cpus->of_node = NULL; 212 put_codec_of_node: 213 of_node_put(rk_dailink.codecs->of_node); 214 rk_dailink.codecs->of_node = NULL; 215 216 return ret; 217 } 218 219 static void snd_rk_mc_remove(struct platform_device *pdev) 220 { 221 of_node_put(rk_dailink.cpus->of_node); 222 rk_dailink.cpus->of_node = NULL; 223 of_node_put(rk_dailink.codecs->of_node); 224 rk_dailink.codecs->of_node = NULL; 225 } 226 227 static const struct of_device_id rockchip_rt5645_of_match[] = { 228 { .compatible = "rockchip,rockchip-audio-rt5645", }, 229 {}, 230 }; 231 232 MODULE_DEVICE_TABLE(of, rockchip_rt5645_of_match); 233 234 static struct platform_driver snd_rk_mc_driver = { 235 .probe = snd_rk_mc_probe, 236 .remove = snd_rk_mc_remove, 237 .driver = { 238 .name = DRV_NAME, 239 .pm = &snd_soc_pm_ops, 240 .of_match_table = rockchip_rt5645_of_match, 241 }, 242 }; 243 244 module_platform_driver(snd_rk_mc_driver); 245 246 MODULE_AUTHOR("Xing Zheng <zhengxing@rock-chips.com>"); 247 MODULE_DESCRIPTION("Rockchip rt5645 machine ASoC driver"); 248 MODULE_LICENSE("GPL v2"); 249 MODULE_ALIAS("platform:" DRV_NAME); 250