1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 2 // 3 // This file is provided under a dual BSD/GPLv2 license. When using or 4 // redistributing this file, you may do so under either license. 5 // 6 // Copyright(c) 2021 Advanced Micro Devices, Inc. 7 // 8 // Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com> 9 // 10 11 /* 12 * Machine Driver Legacy Support for ACP HW block 13 */ 14 15 #include <sound/core.h> 16 #include <sound/pcm_params.h> 17 #include <sound/soc-acpi.h> 18 #include <sound/soc-dapm.h> 19 #include <linux/module.h> 20 21 #include "acp-mach.h" 22 23 static struct acp_card_drvdata rt5682_rt1019_data = { 24 .hs_cpu_id = I2S_SP, 25 .amp_cpu_id = I2S_SP, 26 .dmic_cpu_id = DMIC, 27 .hs_codec_id = RT5682, 28 .amp_codec_id = RT1019, 29 .dmic_codec_id = DMIC, 30 .gpio_spkr_en = EN_SPKR_GPIO_GB, 31 }; 32 33 static struct acp_card_drvdata rt5682s_max_data = { 34 .hs_cpu_id = I2S_SP, 35 .amp_cpu_id = I2S_SP, 36 .dmic_cpu_id = DMIC, 37 .hs_codec_id = RT5682S, 38 .amp_codec_id = MAX98360A, 39 .dmic_codec_id = DMIC, 40 .gpio_spkr_en = EN_SPKR_GPIO_NONE, 41 }; 42 43 static struct acp_card_drvdata rt5682s_rt1019_data = { 44 .hs_cpu_id = I2S_SP, 45 .amp_cpu_id = I2S_SP, 46 .dmic_cpu_id = DMIC, 47 .hs_codec_id = RT5682S, 48 .amp_codec_id = RT1019, 49 .dmic_codec_id = DMIC, 50 .gpio_spkr_en = EN_SPKR_GPIO_NONE, 51 }; 52 53 static const struct snd_kcontrol_new acp_controls[] = { 54 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 55 SOC_DAPM_PIN_SWITCH("Headset Mic"), 56 SOC_DAPM_PIN_SWITCH("Spk"), 57 SOC_DAPM_PIN_SWITCH("Left Spk"), 58 SOC_DAPM_PIN_SWITCH("Right Spk"), 59 60 }; 61 62 static const struct snd_soc_dapm_widget acp_widgets[] = { 63 SND_SOC_DAPM_HP("Headphone Jack", NULL), 64 SND_SOC_DAPM_MIC("Headset Mic", NULL), 65 SND_SOC_DAPM_SPK("Spk", event_spkr_handler), 66 SND_SOC_DAPM_SPK("Left Spk", event_spkr_handler), 67 SND_SOC_DAPM_SPK("Right Spk", event_spkr_handler), 68 }; 69 70 static int acp_asoc_probe(struct platform_device *pdev) 71 { 72 struct snd_soc_card *card = NULL; 73 struct device *dev = &pdev->dev; 74 unsigned int spkr_gpio; 75 int ret; 76 77 if (!pdev->id_entry) 78 return -EINVAL; 79 80 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); 81 if (!card) 82 return -ENOMEM; 83 84 card->dev = dev; 85 card->owner = THIS_MODULE; 86 card->name = pdev->id_entry->name; 87 card->dapm_widgets = acp_widgets; 88 card->num_dapm_widgets = ARRAY_SIZE(acp_widgets); 89 card->controls = acp_controls; 90 card->num_controls = ARRAY_SIZE(acp_controls); 91 card->drvdata = (struct acp_card_drvdata *)pdev->id_entry->driver_data; 92 spkr_gpio = ((struct acp_card_drvdata *)(card->drvdata))->gpio_spkr_en; 93 94 acp_legacy_dai_links_create(card); 95 96 if (gpio_is_valid(spkr_gpio)) { 97 ret = devm_gpio_request(dev, spkr_gpio, "spkren"); 98 if (ret) { 99 dev_err(dev, "(%s) gpio request failed: %d\n", 100 __func__, ret); 101 return ret; 102 } 103 gpio_direction_output(spkr_gpio, 0); 104 } 105 106 ret = devm_snd_soc_register_card(&pdev->dev, card); 107 if (ret) { 108 dev_err(&pdev->dev, 109 "devm_snd_soc_register_card(%s) failed: %d\n", 110 card->name, ret); 111 return ret; 112 } 113 114 return 0; 115 } 116 117 static const struct platform_device_id board_ids[] = { 118 { 119 .name = "acp3xalc56821019", 120 .driver_data = (kernel_ulong_t)&rt5682_rt1019_data, 121 }, 122 { 123 .name = "acp3xalc5682sm98360", 124 .driver_data = (kernel_ulong_t)&rt5682s_max_data, 125 }, 126 { 127 .name = "acp3xalc5682s1019", 128 .driver_data = (kernel_ulong_t)&rt5682s_rt1019_data, 129 }, 130 { } 131 }; 132 static struct platform_driver acp_asoc_audio = { 133 .driver = { 134 .name = "acp_mach", 135 }, 136 .probe = acp_asoc_probe, 137 .id_table = board_ids, 138 }; 139 140 module_platform_driver(acp_asoc_audio); 141 142 MODULE_IMPORT_NS(SND_SOC_AMD_MACH); 143 MODULE_DESCRIPTION("ACP chrome audio support"); 144 MODULE_ALIAS("platform:acp3xalc56821019"); 145 MODULE_ALIAS("platform:acp3xalc5682sm98360"); 146 MODULE_ALIAS("platform:acp3xalc5682s1019"); 147 MODULE_LICENSE("GPL v2"); 148