1 /* 2 * Machine driver for AMD ACP Audio engine using Realtek RT5645 codec 3 * 4 * Copyright 2017 Advanced Micro Devices, Inc. 5 * 6 * This file is modified from rt288 machine driver 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a 9 * copy of this software and associated documentation files (the "Software"), 10 * to deal in the Software without restriction, including without limitation 11 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 12 * and/or sell copies of the Software, and to permit persons to whom the 13 * Software is furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice shall be included in 16 * all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 22 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 23 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 24 * OTHER DEALINGS IN THE SOFTWARE. 25 * 26 * 27 */ 28 29 #include <sound/core.h> 30 #include <sound/soc.h> 31 #include <sound/pcm.h> 32 #include <sound/pcm_params.h> 33 #include <sound/soc-dapm.h> 34 #include <sound/jack.h> 35 #include <linux/gpio.h> 36 #include <linux/module.h> 37 #include <linux/i2c.h> 38 #include <linux/acpi.h> 39 40 #include "../codecs/rt5645.h" 41 42 #define CZ_PLAT_CLK 24000000 43 44 static struct snd_soc_jack cz_jack; 45 static struct snd_soc_jack_pin cz_jack_pins[] = { 46 { 47 .pin = "Headphones", 48 .mask = SND_JACK_HEADPHONE, 49 }, 50 { 51 .pin = "Headset Mic", 52 .mask = SND_JACK_MICROPHONE, 53 }, 54 }; 55 56 static int cz_aif1_hw_params(struct snd_pcm_substream *substream, 57 struct snd_pcm_hw_params *params) 58 { 59 int ret = 0; 60 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 61 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); 62 63 ret = snd_soc_dai_set_pll(codec_dai, 0, RT5645_PLL1_S_MCLK, 64 CZ_PLAT_CLK, params_rate(params) * 512); 65 if (ret < 0) { 66 dev_err(rtd->dev, "can't set codec pll: %d\n", ret); 67 return ret; 68 } 69 70 ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_PLL1, 71 params_rate(params) * 512, SND_SOC_CLOCK_OUT); 72 if (ret < 0) { 73 dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret); 74 return ret; 75 } 76 77 return ret; 78 } 79 80 static int cz_init(struct snd_soc_pcm_runtime *rtd) 81 { 82 int ret; 83 struct snd_soc_card *card; 84 struct snd_soc_component *codec; 85 86 codec = asoc_rtd_to_codec(rtd, 0)->component; 87 card = rtd->card; 88 89 ret = snd_soc_card_jack_new_pins(card, "Headset Jack", 90 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | 91 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 92 SND_JACK_BTN_2 | SND_JACK_BTN_3, 93 &cz_jack, 94 cz_jack_pins, 95 ARRAY_SIZE(cz_jack_pins)); 96 if (ret) { 97 dev_err(card->dev, "HP jack creation failed %d\n", ret); 98 return ret; 99 } 100 101 rt5645_set_jack_detect(codec, &cz_jack, &cz_jack, &cz_jack); 102 103 return 0; 104 } 105 106 static const struct snd_soc_ops cz_aif1_ops = { 107 .hw_params = cz_aif1_hw_params, 108 }; 109 110 SND_SOC_DAILINK_DEF(designware1, 111 DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.1.auto"))); 112 SND_SOC_DAILINK_DEF(designware2, 113 DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.2.auto"))); 114 115 SND_SOC_DAILINK_DEF(codec, 116 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5650:00", "rt5645-aif1"))); 117 118 SND_SOC_DAILINK_DEF(platform, 119 DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.0.auto"))); 120 121 static struct snd_soc_dai_link cz_dai_rt5650[] = { 122 { 123 .name = "amd-rt5645-play", 124 .stream_name = "RT5645_AIF1", 125 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 126 | SND_SOC_DAIFMT_CBP_CFP, 127 .init = cz_init, 128 .ops = &cz_aif1_ops, 129 SND_SOC_DAILINK_REG(designware1, codec, platform), 130 }, 131 { 132 .name = "amd-rt5645-cap", 133 .stream_name = "RT5645_AIF1", 134 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 135 | SND_SOC_DAIFMT_CBP_CFP, 136 .ops = &cz_aif1_ops, 137 SND_SOC_DAILINK_REG(designware2, codec, platform), 138 }, 139 }; 140 141 static const struct snd_soc_dapm_widget cz_widgets[] = { 142 SND_SOC_DAPM_HP("Headphones", NULL), 143 SND_SOC_DAPM_SPK("Speakers", NULL), 144 SND_SOC_DAPM_MIC("Headset Mic", NULL), 145 SND_SOC_DAPM_MIC("Int Mic", NULL), 146 }; 147 148 static const struct snd_soc_dapm_route cz_audio_route[] = { 149 {"Headphones", NULL, "HPOL"}, 150 {"Headphones", NULL, "HPOR"}, 151 {"RECMIXL", NULL, "Headset Mic"}, 152 {"RECMIXR", NULL, "Headset Mic"}, 153 {"Speakers", NULL, "SPOL"}, 154 {"Speakers", NULL, "SPOR"}, 155 {"DMIC L2", NULL, "Int Mic"}, 156 {"DMIC R2", NULL, "Int Mic"}, 157 }; 158 159 static const struct snd_kcontrol_new cz_mc_controls[] = { 160 SOC_DAPM_PIN_SWITCH("Headphones"), 161 SOC_DAPM_PIN_SWITCH("Speakers"), 162 SOC_DAPM_PIN_SWITCH("Headset Mic"), 163 SOC_DAPM_PIN_SWITCH("Int Mic"), 164 }; 165 166 static struct snd_soc_card cz_card = { 167 .name = "acprt5650", 168 .owner = THIS_MODULE, 169 .dai_link = cz_dai_rt5650, 170 .num_links = ARRAY_SIZE(cz_dai_rt5650), 171 .dapm_widgets = cz_widgets, 172 .num_dapm_widgets = ARRAY_SIZE(cz_widgets), 173 .dapm_routes = cz_audio_route, 174 .num_dapm_routes = ARRAY_SIZE(cz_audio_route), 175 .controls = cz_mc_controls, 176 .num_controls = ARRAY_SIZE(cz_mc_controls), 177 }; 178 179 static int cz_probe(struct platform_device *pdev) 180 { 181 int ret; 182 struct snd_soc_card *card; 183 184 card = &cz_card; 185 cz_card.dev = &pdev->dev; 186 platform_set_drvdata(pdev, card); 187 ret = devm_snd_soc_register_card(&pdev->dev, &cz_card); 188 if (ret) { 189 dev_err(&pdev->dev, 190 "devm_snd_soc_register_card(%s) failed: %d\n", 191 cz_card.name, ret); 192 return ret; 193 } 194 return 0; 195 } 196 197 #ifdef CONFIG_ACPI 198 static const struct acpi_device_id cz_audio_acpi_match[] = { 199 { "AMDI1002", 0 }, 200 {}, 201 }; 202 MODULE_DEVICE_TABLE(acpi, cz_audio_acpi_match); 203 #endif 204 205 static struct platform_driver cz_pcm_driver = { 206 .driver = { 207 .name = "cz-rt5645", 208 .acpi_match_table = ACPI_PTR(cz_audio_acpi_match), 209 .pm = &snd_soc_pm_ops, 210 }, 211 .probe = cz_probe, 212 }; 213 214 module_platform_driver(cz_pcm_driver); 215 216 MODULE_AUTHOR("akshu.agrawal@amd.com"); 217 MODULE_DESCRIPTION("cz-rt5645 audio support"); 218 MODULE_LICENSE("GPL v2"); 219