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 46 static int cz_aif1_hw_params(struct snd_pcm_substream *substream, 47 struct snd_pcm_hw_params *params) 48 { 49 int ret = 0; 50 struct snd_soc_pcm_runtime *rtd = substream->private_data; 51 struct snd_soc_dai *codec_dai = rtd->codec_dai; 52 53 ret = snd_soc_dai_set_pll(codec_dai, 0, RT5645_PLL1_S_MCLK, 54 CZ_PLAT_CLK, params_rate(params) * 512); 55 if (ret < 0) { 56 dev_err(rtd->dev, "can't set codec pll: %d\n", ret); 57 return ret; 58 } 59 60 ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_PLL1, 61 params_rate(params) * 512, SND_SOC_CLOCK_OUT); 62 if (ret < 0) { 63 dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret); 64 return ret; 65 } 66 67 return ret; 68 } 69 70 static int cz_init(struct snd_soc_pcm_runtime *rtd) 71 { 72 int ret; 73 struct snd_soc_card *card; 74 struct snd_soc_component *codec; 75 76 codec = rtd->codec_dai->component; 77 card = rtd->card; 78 79 ret = snd_soc_card_jack_new(card, "Headset Jack", 80 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | 81 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 82 SND_JACK_BTN_2 | SND_JACK_BTN_3, 83 &cz_jack, NULL, 0); 84 if (ret) { 85 dev_err(card->dev, "HP jack creation failed %d\n", ret); 86 return ret; 87 } 88 89 rt5645_set_jack_detect(codec, &cz_jack, &cz_jack, &cz_jack); 90 91 return 0; 92 } 93 94 static struct snd_soc_ops cz_aif1_ops = { 95 .hw_params = cz_aif1_hw_params, 96 }; 97 98 static struct snd_soc_dai_link cz_dai_rt5650[] = { 99 { 100 .name = "amd-rt5645-play", 101 .stream_name = "RT5645_AIF1", 102 .platform_name = "acp_audio_dma.0.auto", 103 .cpu_dai_name = "designware-i2s.1.auto", 104 .codec_dai_name = "rt5645-aif1", 105 .codec_name = "i2c-10EC5650:00", 106 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 107 | SND_SOC_DAIFMT_CBM_CFM, 108 .init = cz_init, 109 .ops = &cz_aif1_ops, 110 }, 111 { 112 .name = "amd-rt5645-cap", 113 .stream_name = "RT5645_AIF1", 114 .platform_name = "acp_audio_dma.0.auto", 115 .cpu_dai_name = "designware-i2s.2.auto", 116 .codec_dai_name = "rt5645-aif1", 117 .codec_name = "i2c-10EC5650:00", 118 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 119 | SND_SOC_DAIFMT_CBM_CFM, 120 .ops = &cz_aif1_ops, 121 }, 122 }; 123 124 static const struct snd_soc_dapm_widget cz_widgets[] = { 125 SND_SOC_DAPM_HP("Headphones", NULL), 126 SND_SOC_DAPM_SPK("Speakers", NULL), 127 SND_SOC_DAPM_MIC("Headset Mic", NULL), 128 SND_SOC_DAPM_MIC("Int Mic", NULL), 129 }; 130 131 static const struct snd_soc_dapm_route cz_audio_route[] = { 132 {"Headphones", NULL, "HPOL"}, 133 {"Headphones", NULL, "HPOR"}, 134 {"RECMIXL", NULL, "Headset Mic"}, 135 {"RECMIXR", NULL, "Headset Mic"}, 136 {"Speakers", NULL, "SPOL"}, 137 {"Speakers", NULL, "SPOR"}, 138 {"DMIC L2", NULL, "Int Mic"}, 139 {"DMIC R2", NULL, "Int Mic"}, 140 }; 141 142 static const struct snd_kcontrol_new cz_mc_controls[] = { 143 SOC_DAPM_PIN_SWITCH("Headphones"), 144 SOC_DAPM_PIN_SWITCH("Speakers"), 145 SOC_DAPM_PIN_SWITCH("Headset Mic"), 146 SOC_DAPM_PIN_SWITCH("Int Mic"), 147 }; 148 149 static struct snd_soc_card cz_card = { 150 .name = "acprt5650", 151 .owner = THIS_MODULE, 152 .dai_link = cz_dai_rt5650, 153 .num_links = ARRAY_SIZE(cz_dai_rt5650), 154 .dapm_widgets = cz_widgets, 155 .num_dapm_widgets = ARRAY_SIZE(cz_widgets), 156 .dapm_routes = cz_audio_route, 157 .num_dapm_routes = ARRAY_SIZE(cz_audio_route), 158 .controls = cz_mc_controls, 159 .num_controls = ARRAY_SIZE(cz_mc_controls), 160 }; 161 162 static int cz_probe(struct platform_device *pdev) 163 { 164 int ret; 165 struct snd_soc_card *card; 166 167 card = &cz_card; 168 cz_card.dev = &pdev->dev; 169 platform_set_drvdata(pdev, card); 170 ret = devm_snd_soc_register_card(&pdev->dev, &cz_card); 171 if (ret) { 172 dev_err(&pdev->dev, 173 "devm_snd_soc_register_card(%s) failed: %d\n", 174 cz_card.name, ret); 175 return ret; 176 } 177 return 0; 178 } 179 180 static const struct acpi_device_id cz_audio_acpi_match[] = { 181 { "AMDI1002", 0 }, 182 {}, 183 }; 184 MODULE_DEVICE_TABLE(acpi, cz_audio_acpi_match); 185 186 static struct platform_driver cz_pcm_driver = { 187 .driver = { 188 .name = "cz-rt5645", 189 .acpi_match_table = ACPI_PTR(cz_audio_acpi_match), 190 .pm = &snd_soc_pm_ops, 191 }, 192 .probe = cz_probe, 193 }; 194 195 module_platform_driver(cz_pcm_driver); 196 197 MODULE_AUTHOR("akshu.agrawal@amd.com"); 198 MODULE_DESCRIPTION("cz-rt5645 audio support"); 199 MODULE_LICENSE("GPL v2"); 200