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 * SOF Machine Driver 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 sof_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 sof_rt5682_max_data = { 34 .hs_cpu_id = I2S_SP, 35 .amp_cpu_id = I2S_SP, 36 .dmic_cpu_id = DMIC, 37 .hs_codec_id = RT5682, 38 .amp_codec_id = MAX98360A, 39 .dmic_codec_id = DMIC, 40 .gpio_spkr_en = EN_SPKR_GPIO_NK, 41 }; 42 43 static struct acp_card_drvdata sof_rt5682s_max_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 = MAX98360A, 49 .dmic_codec_id = DMIC, 50 .gpio_spkr_en = EN_SPKR_GPIO_NK, 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 static const struct snd_soc_dapm_widget acp_widgets[] = { 62 SND_SOC_DAPM_HP("Headphone Jack", NULL), 63 SND_SOC_DAPM_MIC("Headset Mic", NULL), 64 SND_SOC_DAPM_SPK("Spk", event_spkr_handler), 65 SND_SOC_DAPM_SPK("Left Spk", event_spkr_handler), 66 SND_SOC_DAPM_SPK("Right Spk", event_spkr_handler), 67 }; 68 69 static int acp_sof_probe(struct platform_device *pdev) 70 { 71 struct snd_soc_card *card = NULL; 72 struct device *dev = &pdev->dev; 73 unsigned int spkr_gpio; 74 int ret; 75 76 if (!pdev->id_entry) 77 return -EINVAL; 78 79 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); 80 if (!card) 81 return -ENOMEM; 82 83 card->dev = dev; 84 card->owner = THIS_MODULE; 85 card->name = pdev->id_entry->name; 86 card->dapm_widgets = acp_widgets; 87 card->num_dapm_widgets = ARRAY_SIZE(acp_widgets); 88 card->controls = acp_controls; 89 card->num_controls = ARRAY_SIZE(acp_controls); 90 card->drvdata = (struct acp_card_drvdata *)pdev->id_entry->driver_data; 91 spkr_gpio = ((struct acp_card_drvdata *)(card->drvdata))->gpio_spkr_en; 92 93 acp_sofdsp_dai_links_create(card); 94 95 if (gpio_is_valid(spkr_gpio)) { 96 ret = devm_gpio_request(dev, spkr_gpio, "spkren"); 97 if (ret) { 98 dev_err(dev, "(%s) gpio request failed: %d\n", 99 __func__, ret); 100 return ret; 101 } 102 gpio_direction_output(spkr_gpio, 0); 103 } 104 105 ret = devm_snd_soc_register_card(&pdev->dev, card); 106 if (ret) { 107 dev_err(&pdev->dev, 108 "devm_snd_soc_register_card(%s) failed: %d\n", 109 card->name, ret); 110 return ret; 111 } 112 113 return 0; 114 } 115 116 static const struct platform_device_id board_ids[] = { 117 { 118 .name = "rt5682-rt1019", 119 .driver_data = (kernel_ulong_t)&sof_rt5682_rt1019_data 120 }, 121 { 122 .name = "rt5682-max", 123 .driver_data = (kernel_ulong_t)&sof_rt5682_max_data 124 }, 125 { 126 .name = "rt5682s-max", 127 .driver_data = (kernel_ulong_t)&sof_rt5682s_max_data 128 }, 129 { } 130 }; 131 static struct platform_driver acp_asoc_audio = { 132 .driver = { 133 .name = "sof_mach", 134 }, 135 .probe = acp_sof_probe, 136 .id_table = board_ids, 137 }; 138 139 module_platform_driver(acp_asoc_audio); 140 141 MODULE_IMPORT_NS(SND_SOC_AMD_MACH); 142 MODULE_DESCRIPTION("ACP chrome SOF audio support"); 143 MODULE_ALIAS("platform:rt5682-rt1019"); 144 MODULE_ALIAS("platform:rt5682-max"); 145 MODULE_ALIAS("platform:rt5682s-max"); 146 MODULE_LICENSE("GPL v2"); 147