Koro Chen | 0f83f92 | 2016-02-19 10:35:59 +0800 | [diff] [blame] | 1 | /* |
| 2 | * mt8173-rt5650.c -- MT8173 machine driver with RT5650 codecs |
| 3 | * |
| 4 | * Copyright (c) 2016 MediaTek Inc. |
| 5 | * Author: Koro Chen <koro.chen@mediatek.com> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License version 2 and |
| 9 | * only version 2 as published by the Free Software Foundation. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | */ |
| 16 | |
| 17 | #include <linux/module.h> |
| 18 | #include <linux/gpio.h> |
| 19 | #include <linux/of_gpio.h> |
| 20 | #include <sound/soc.h> |
| 21 | #include <sound/jack.h> |
| 22 | #include "../codecs/rt5645.h" |
| 23 | |
| 24 | #define MCLK_FOR_CODECS 12288000 |
| 25 | |
| 26 | static const struct snd_soc_dapm_widget mt8173_rt5650_widgets[] = { |
| 27 | SND_SOC_DAPM_SPK("Speaker", NULL), |
| 28 | SND_SOC_DAPM_MIC("Int Mic", NULL), |
| 29 | SND_SOC_DAPM_HP("Headphone", NULL), |
| 30 | SND_SOC_DAPM_MIC("Headset Mic", NULL), |
| 31 | }; |
| 32 | |
| 33 | static const struct snd_soc_dapm_route mt8173_rt5650_routes[] = { |
| 34 | {"Speaker", NULL, "SPOL"}, |
| 35 | {"Speaker", NULL, "SPOR"}, |
| 36 | {"DMIC L1", NULL, "Int Mic"}, |
| 37 | {"DMIC R1", NULL, "Int Mic"}, |
| 38 | {"Headphone", NULL, "HPOL"}, |
| 39 | {"Headphone", NULL, "HPOR"}, |
| 40 | {"Headset Mic", NULL, "micbias1"}, |
| 41 | {"Headset Mic", NULL, "micbias2"}, |
| 42 | {"IN1P", NULL, "Headset Mic"}, |
| 43 | {"IN1N", NULL, "Headset Mic"}, |
| 44 | }; |
| 45 | |
| 46 | static const struct snd_kcontrol_new mt8173_rt5650_controls[] = { |
| 47 | SOC_DAPM_PIN_SWITCH("Speaker"), |
| 48 | SOC_DAPM_PIN_SWITCH("Int Mic"), |
| 49 | SOC_DAPM_PIN_SWITCH("Headphone"), |
| 50 | SOC_DAPM_PIN_SWITCH("Headset Mic"), |
| 51 | }; |
| 52 | |
| 53 | static int mt8173_rt5650_hw_params(struct snd_pcm_substream *substream, |
| 54 | struct snd_pcm_hw_params *params) |
| 55 | { |
| 56 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 57 | int i, ret; |
| 58 | |
| 59 | for (i = 0; i < rtd->num_codecs; i++) { |
| 60 | struct snd_soc_dai *codec_dai = rtd->codec_dais[i]; |
| 61 | |
| 62 | /* pll from mclk 12.288M */ |
| 63 | ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS, |
| 64 | params_rate(params) * 512); |
| 65 | if (ret) |
| 66 | return ret; |
| 67 | |
| 68 | /* sysclk from pll */ |
| 69 | ret = snd_soc_dai_set_sysclk(codec_dai, 1, |
| 70 | params_rate(params) * 512, |
| 71 | SND_SOC_CLOCK_IN); |
| 72 | if (ret) |
| 73 | return ret; |
| 74 | } |
| 75 | return 0; |
| 76 | } |
| 77 | |
| 78 | static struct snd_soc_ops mt8173_rt5650_ops = { |
| 79 | .hw_params = mt8173_rt5650_hw_params, |
| 80 | }; |
| 81 | |
| 82 | static struct snd_soc_jack mt8173_rt5650_jack; |
| 83 | |
| 84 | static int mt8173_rt5650_init(struct snd_soc_pcm_runtime *runtime) |
| 85 | { |
| 86 | struct snd_soc_card *card = runtime->card; |
| 87 | struct snd_soc_codec *codec = runtime->codec_dais[0]->codec; |
PC Liao | d349cae | 2016-04-21 19:38:14 +0800 | [diff] [blame] | 88 | const char *codec_capture_dai = runtime->codec_dais[1]->name; |
Koro Chen | 0f83f92 | 2016-02-19 10:35:59 +0800 | [diff] [blame] | 89 | int ret; |
| 90 | |
| 91 | rt5645_sel_asrc_clk_src(codec, |
PC Liao | d349cae | 2016-04-21 19:38:14 +0800 | [diff] [blame] | 92 | RT5645_DA_STEREO_FILTER, |
Koro Chen | 0f83f92 | 2016-02-19 10:35:59 +0800 | [diff] [blame] | 93 | RT5645_CLK_SEL_I2S1_ASRC); |
PC Liao | d349cae | 2016-04-21 19:38:14 +0800 | [diff] [blame] | 94 | |
| 95 | if (!strcmp(codec_capture_dai, "rt5645-aif1")) { |
| 96 | rt5645_sel_asrc_clk_src(codec, |
| 97 | RT5645_AD_STEREO_FILTER, |
| 98 | RT5645_CLK_SEL_I2S1_ASRC); |
| 99 | } else if (!strcmp(codec_capture_dai, "rt5645-aif2")) { |
| 100 | rt5645_sel_asrc_clk_src(codec, |
| 101 | RT5645_AD_STEREO_FILTER, |
| 102 | RT5645_CLK_SEL_I2S2_ASRC); |
| 103 | } else { |
| 104 | dev_warn(card->dev, |
| 105 | "Only one dai codec found in DTS, enabled rt5645 AD filter\n"); |
| 106 | rt5645_sel_asrc_clk_src(codec, |
| 107 | RT5645_AD_STEREO_FILTER, |
| 108 | RT5645_CLK_SEL_I2S1_ASRC); |
| 109 | } |
| 110 | |
Koro Chen | 0f83f92 | 2016-02-19 10:35:59 +0800 | [diff] [blame] | 111 | /* enable jack detection */ |
| 112 | ret = snd_soc_card_jack_new(card, "Headset Jack", |
| 113 | SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | |
| 114 | SND_JACK_BTN_0 | SND_JACK_BTN_1 | |
| 115 | SND_JACK_BTN_2 | SND_JACK_BTN_3, |
| 116 | &mt8173_rt5650_jack, NULL, 0); |
| 117 | if (ret) { |
| 118 | dev_err(card->dev, "Can't new Headset Jack %d\n", ret); |
| 119 | return ret; |
| 120 | } |
| 121 | |
| 122 | return rt5645_set_jack_detect(codec, |
| 123 | &mt8173_rt5650_jack, |
| 124 | &mt8173_rt5650_jack, |
| 125 | &mt8173_rt5650_jack); |
| 126 | } |
| 127 | |
| 128 | static struct snd_soc_dai_link_component mt8173_rt5650_codecs[] = { |
| 129 | { |
PC Liao | d349cae | 2016-04-21 19:38:14 +0800 | [diff] [blame] | 130 | /* Playback */ |
| 131 | .dai_name = "rt5645-aif1", |
| 132 | }, |
| 133 | { |
| 134 | /* Capture */ |
Koro Chen | 0f83f92 | 2016-02-19 10:35:59 +0800 | [diff] [blame] | 135 | .dai_name = "rt5645-aif1", |
| 136 | }, |
| 137 | }; |
| 138 | |
| 139 | enum { |
| 140 | DAI_LINK_PLAYBACK, |
| 141 | DAI_LINK_CAPTURE, |
| 142 | DAI_LINK_CODEC_I2S, |
| 143 | }; |
| 144 | |
| 145 | /* Digital audio interface glue - connects codec <---> CPU */ |
| 146 | static struct snd_soc_dai_link mt8173_rt5650_dais[] = { |
| 147 | /* Front End DAI links */ |
| 148 | [DAI_LINK_PLAYBACK] = { |
| 149 | .name = "rt5650 Playback", |
| 150 | .stream_name = "rt5650 Playback", |
| 151 | .cpu_dai_name = "DL1", |
| 152 | .codec_name = "snd-soc-dummy", |
| 153 | .codec_dai_name = "snd-soc-dummy-dai", |
| 154 | .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, |
| 155 | .dynamic = 1, |
| 156 | .dpcm_playback = 1, |
| 157 | }, |
| 158 | [DAI_LINK_CAPTURE] = { |
| 159 | .name = "rt5650 Capture", |
| 160 | .stream_name = "rt5650 Capture", |
| 161 | .cpu_dai_name = "VUL", |
| 162 | .codec_name = "snd-soc-dummy", |
| 163 | .codec_dai_name = "snd-soc-dummy-dai", |
| 164 | .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, |
| 165 | .dynamic = 1, |
| 166 | .dpcm_capture = 1, |
| 167 | }, |
| 168 | /* Back End DAI links */ |
| 169 | [DAI_LINK_CODEC_I2S] = { |
| 170 | .name = "Codec", |
| 171 | .cpu_dai_name = "I2S", |
| 172 | .no_pcm = 1, |
| 173 | .codecs = mt8173_rt5650_codecs, |
PC Liao | d349cae | 2016-04-21 19:38:14 +0800 | [diff] [blame] | 174 | .num_codecs = 2, |
Koro Chen | 0f83f92 | 2016-02-19 10:35:59 +0800 | [diff] [blame] | 175 | .init = mt8173_rt5650_init, |
| 176 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
| 177 | SND_SOC_DAIFMT_CBS_CFS, |
| 178 | .ops = &mt8173_rt5650_ops, |
| 179 | .ignore_pmdown_time = 1, |
| 180 | .dpcm_playback = 1, |
| 181 | .dpcm_capture = 1, |
| 182 | }, |
| 183 | }; |
| 184 | |
| 185 | static struct snd_soc_card mt8173_rt5650_card = { |
| 186 | .name = "mtk-rt5650", |
| 187 | .owner = THIS_MODULE, |
| 188 | .dai_link = mt8173_rt5650_dais, |
| 189 | .num_links = ARRAY_SIZE(mt8173_rt5650_dais), |
| 190 | .controls = mt8173_rt5650_controls, |
| 191 | .num_controls = ARRAY_SIZE(mt8173_rt5650_controls), |
| 192 | .dapm_widgets = mt8173_rt5650_widgets, |
| 193 | .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_widgets), |
| 194 | .dapm_routes = mt8173_rt5650_routes, |
| 195 | .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_routes), |
| 196 | }; |
| 197 | |
| 198 | static int mt8173_rt5650_dev_probe(struct platform_device *pdev) |
| 199 | { |
| 200 | struct snd_soc_card *card = &mt8173_rt5650_card; |
| 201 | struct device_node *platform_node; |
PC Liao | d349cae | 2016-04-21 19:38:14 +0800 | [diff] [blame] | 202 | struct device_node *np; |
| 203 | const char *codec_capture_dai; |
Koro Chen | 0f83f92 | 2016-02-19 10:35:59 +0800 | [diff] [blame] | 204 | int i, ret; |
| 205 | |
| 206 | platform_node = of_parse_phandle(pdev->dev.of_node, |
| 207 | "mediatek,platform", 0); |
| 208 | if (!platform_node) { |
| 209 | dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); |
| 210 | return -EINVAL; |
| 211 | } |
| 212 | |
| 213 | for (i = 0; i < card->num_links; i++) { |
| 214 | if (mt8173_rt5650_dais[i].platform_name) |
| 215 | continue; |
| 216 | mt8173_rt5650_dais[i].platform_of_node = platform_node; |
| 217 | } |
| 218 | |
| 219 | mt8173_rt5650_codecs[0].of_node = |
| 220 | of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); |
| 221 | if (!mt8173_rt5650_codecs[0].of_node) { |
| 222 | dev_err(&pdev->dev, |
| 223 | "Property 'audio-codec' missing or invalid\n"); |
| 224 | return -EINVAL; |
| 225 | } |
PC Liao | d349cae | 2016-04-21 19:38:14 +0800 | [diff] [blame] | 226 | mt8173_rt5650_codecs[1].of_node = mt8173_rt5650_codecs[0].of_node; |
| 227 | |
| 228 | if (of_find_node_by_name(platform_node, "codec-capture")) { |
| 229 | np = of_get_child_by_name(pdev->dev.of_node, "codec-capture"); |
| 230 | if (!np) { |
| 231 | dev_err(&pdev->dev, |
| 232 | "%s: Can't find codec-capture DT node\n", |
| 233 | __func__); |
| 234 | return -EINVAL; |
| 235 | } |
| 236 | ret = snd_soc_of_get_dai_name(np, &codec_capture_dai); |
| 237 | if (ret < 0) { |
| 238 | dev_err(&pdev->dev, |
| 239 | "%s codec_capture_dai name fail %d\n", |
| 240 | __func__, ret); |
| 241 | return ret; |
| 242 | } |
| 243 | mt8173_rt5650_codecs[1].dai_name = codec_capture_dai; |
| 244 | } |
| 245 | |
Koro Chen | 0f83f92 | 2016-02-19 10:35:59 +0800 | [diff] [blame] | 246 | card->dev = &pdev->dev; |
| 247 | platform_set_drvdata(pdev, card); |
| 248 | |
| 249 | ret = devm_snd_soc_register_card(&pdev->dev, card); |
| 250 | if (ret) |
| 251 | dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", |
| 252 | __func__, ret); |
| 253 | return ret; |
| 254 | } |
| 255 | |
| 256 | static const struct of_device_id mt8173_rt5650_dt_match[] = { |
| 257 | { .compatible = "mediatek,mt8173-rt5650", }, |
| 258 | { } |
| 259 | }; |
| 260 | MODULE_DEVICE_TABLE(of, mt8173_rt5650_dt_match); |
| 261 | |
| 262 | static struct platform_driver mt8173_rt5650_driver = { |
| 263 | .driver = { |
| 264 | .name = "mtk-rt5650", |
| 265 | .of_match_table = mt8173_rt5650_dt_match, |
| 266 | #ifdef CONFIG_PM |
| 267 | .pm = &snd_soc_pm_ops, |
| 268 | #endif |
| 269 | }, |
| 270 | .probe = mt8173_rt5650_dev_probe, |
| 271 | }; |
| 272 | |
| 273 | module_platform_driver(mt8173_rt5650_driver); |
| 274 | |
| 275 | /* Module information */ |
| 276 | MODULE_DESCRIPTION("MT8173 RT5650 SoC machine driver"); |
| 277 | MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>"); |
| 278 | MODULE_LICENSE("GPL v2"); |
| 279 | MODULE_ALIAS("platform:mtk-rt5650"); |
| 280 | |