1 /* 2 * Rockchip machine ASoC driver for boards using a MAX90809 CODEC. 3 * 4 * Copyright (c) 2014, ROCKCHIP CORPORATION. All rights reserved. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 * 18 */ 19 20 #include <linux/module.h> 21 #include <linux/platform_device.h> 22 #include <linux/slab.h> 23 #include <linux/gpio.h> 24 #include <linux/of_gpio.h> 25 #include <sound/core.h> 26 #include <sound/jack.h> 27 #include <sound/pcm.h> 28 #include <sound/pcm_params.h> 29 #include <sound/soc.h> 30 31 #include "rockchip_i2s.h" 32 #include "../codecs/ts3a227e.h" 33 34 #define DRV_NAME "rockchip-snd-max98090" 35 36 static struct snd_soc_jack headset_jack; 37 static struct snd_soc_jack_pin headset_jack_pins[] = { 38 { 39 .pin = "Headset Jack", 40 .mask = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | 41 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 42 SND_JACK_BTN_2 | SND_JACK_BTN_3, 43 }, 44 }; 45 46 static const struct snd_soc_dapm_widget rk_dapm_widgets[] = { 47 SND_SOC_DAPM_HP("Headphone", NULL), 48 SND_SOC_DAPM_MIC("Headset Mic", NULL), 49 SND_SOC_DAPM_MIC("Int Mic", NULL), 50 SND_SOC_DAPM_SPK("Speaker", NULL), 51 }; 52 53 static const struct snd_soc_dapm_route rk_audio_map[] = { 54 {"IN34", NULL, "Headset Mic"}, 55 {"IN34", NULL, "MICBIAS"}, 56 {"MICBIAS", NULL, "Headset Mic"}, 57 {"DMICL", NULL, "Int Mic"}, 58 {"Headphone", NULL, "HPL"}, 59 {"Headphone", NULL, "HPR"}, 60 {"Speaker", NULL, "SPKL"}, 61 {"Speaker", NULL, "SPKR"}, 62 }; 63 64 static const struct snd_kcontrol_new rk_mc_controls[] = { 65 SOC_DAPM_PIN_SWITCH("Headphone"), 66 SOC_DAPM_PIN_SWITCH("Headset Mic"), 67 SOC_DAPM_PIN_SWITCH("Int Mic"), 68 SOC_DAPM_PIN_SWITCH("Speaker"), 69 }; 70 71 static int rk_aif1_hw_params(struct snd_pcm_substream *substream, 72 struct snd_pcm_hw_params *params) 73 { 74 int ret = 0; 75 struct snd_soc_pcm_runtime *rtd = substream->private_data; 76 struct snd_soc_dai *cpu_dai = rtd->cpu_dai; 77 struct snd_soc_dai *codec_dai = rtd->codec_dai; 78 int mclk; 79 80 switch (params_rate(params)) { 81 case 8000: 82 case 16000: 83 case 24000: 84 case 32000: 85 case 48000: 86 case 64000: 87 case 96000: 88 mclk = 12288000; 89 break; 90 case 11025: 91 case 22050: 92 case 44100: 93 case 88200: 94 mclk = 11289600; 95 break; 96 default: 97 return -EINVAL; 98 } 99 100 ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk, 101 SND_SOC_CLOCK_OUT); 102 if (ret < 0) { 103 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret); 104 return ret; 105 } 106 107 ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, 108 SND_SOC_CLOCK_IN); 109 if (ret < 0) { 110 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret); 111 return ret; 112 } 113 114 return ret; 115 } 116 117 static int rk_init(struct snd_soc_pcm_runtime *runtime) 118 { 119 /* Enable Headset and 4 Buttons Jack detection */ 120 return snd_soc_card_jack_new(runtime->card, "Headset Jack", 121 SND_JACK_HEADSET | 122 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 123 SND_JACK_BTN_2 | SND_JACK_BTN_3, 124 &headset_jack, 125 headset_jack_pins, 126 ARRAY_SIZE(headset_jack_pins)); 127 } 128 129 static int rk_98090_headset_init(struct snd_soc_component *component) 130 { 131 return ts3a227e_enable_jack_detect(component, &headset_jack); 132 } 133 134 static struct snd_soc_ops rk_aif1_ops = { 135 .hw_params = rk_aif1_hw_params, 136 }; 137 138 static struct snd_soc_aux_dev rk_98090_headset_dev = { 139 .name = "Headset Chip", 140 .init = rk_98090_headset_init, 141 }; 142 143 static struct snd_soc_dai_link rk_dailink = { 144 .name = "max98090", 145 .stream_name = "Audio", 146 .codec_dai_name = "HiFi", 147 .init = rk_init, 148 .ops = &rk_aif1_ops, 149 /* set max98090 as slave */ 150 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 151 SND_SOC_DAIFMT_CBS_CFS, 152 }; 153 154 static struct snd_soc_card snd_soc_card_rk = { 155 .name = "ROCKCHIP-I2S", 156 .owner = THIS_MODULE, 157 .dai_link = &rk_dailink, 158 .num_links = 1, 159 .aux_dev = &rk_98090_headset_dev, 160 .num_aux_devs = 1, 161 .dapm_widgets = rk_dapm_widgets, 162 .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets), 163 .dapm_routes = rk_audio_map, 164 .num_dapm_routes = ARRAY_SIZE(rk_audio_map), 165 .controls = rk_mc_controls, 166 .num_controls = ARRAY_SIZE(rk_mc_controls), 167 }; 168 169 static int snd_rk_mc_probe(struct platform_device *pdev) 170 { 171 int ret = 0; 172 struct snd_soc_card *card = &snd_soc_card_rk; 173 struct device_node *np = pdev->dev.of_node; 174 175 /* register the soc card */ 176 card->dev = &pdev->dev; 177 178 rk_dailink.codec_of_node = of_parse_phandle(np, 179 "rockchip,audio-codec", 0); 180 if (!rk_dailink.codec_of_node) { 181 dev_err(&pdev->dev, 182 "Property 'rockchip,audio-codec' missing or invalid\n"); 183 return -EINVAL; 184 } 185 186 rk_dailink.cpu_of_node = of_parse_phandle(np, 187 "rockchip,i2s-controller", 0); 188 if (!rk_dailink.cpu_of_node) { 189 dev_err(&pdev->dev, 190 "Property 'rockchip,i2s-controller' missing or invalid\n"); 191 return -EINVAL; 192 } 193 194 rk_dailink.platform_of_node = rk_dailink.cpu_of_node; 195 196 rk_98090_headset_dev.codec_of_node = of_parse_phandle(np, 197 "rockchip,headset-codec", 0); 198 if (!rk_98090_headset_dev.codec_of_node) { 199 dev_err(&pdev->dev, 200 "Property 'rockchip,headset-codec' missing/invalid\n"); 201 return -EINVAL; 202 } 203 204 ret = snd_soc_of_parse_card_name(card, "rockchip,model"); 205 if (ret) { 206 dev_err(&pdev->dev, 207 "Soc parse card name failed %d\n", ret); 208 return ret; 209 } 210 211 ret = devm_snd_soc_register_card(&pdev->dev, card); 212 if (ret) { 213 dev_err(&pdev->dev, 214 "Soc register card failed %d\n", ret); 215 return ret; 216 } 217 218 return ret; 219 } 220 221 static const struct of_device_id rockchip_max98090_of_match[] = { 222 { .compatible = "rockchip,rockchip-audio-max98090", }, 223 {}, 224 }; 225 226 MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match); 227 228 static struct platform_driver snd_rk_mc_driver = { 229 .probe = snd_rk_mc_probe, 230 .driver = { 231 .name = DRV_NAME, 232 .pm = &snd_soc_pm_ops, 233 .of_match_table = rockchip_max98090_of_match, 234 }, 235 }; 236 237 module_platform_driver(snd_rk_mc_driver); 238 239 MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>"); 240 MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver"); 241 MODULE_LICENSE("GPL v2"); 242 MODULE_ALIAS("platform:" DRV_NAME); 243