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 * Hardware interface for Renoir ACP block 13 */ 14 15 #include <linux/platform_device.h> 16 #include <linux/module.h> 17 #include <linux/err.h> 18 #include <linux/io.h> 19 #include <sound/pcm_params.h> 20 #include <sound/soc.h> 21 #include <sound/soc-dai.h> 22 #include <linux/dma-mapping.h> 23 24 #include "amd.h" 25 26 #define DRV_NAME "acp_asoc_renoir" 27 28 static struct acp_resource rsrc = { 29 .offset = 20, 30 .no_of_ctrls = 1, 31 .irqp_used = 0, 32 .irq_reg_offset = 0x1800, 33 .i2s_pin_cfg_offset = 0x1400, 34 .i2s_mode = 0x04, 35 .scratch_reg_offset = 0x12800, 36 .sram_pte_offset = 0x02052800, 37 }; 38 39 static struct snd_soc_acpi_codecs amp_rt1019 = { 40 .num_codecs = 1, 41 .codecs = {"10EC1019"} 42 }; 43 44 static struct snd_soc_acpi_codecs amp_max = { 45 .num_codecs = 1, 46 .codecs = {"MX98360A"} 47 }; 48 49 static struct snd_soc_acpi_mach snd_soc_acpi_amd_acp_machines[] = { 50 { 51 .id = "10EC5682", 52 .drv_name = "acp3xalc56821019", 53 .machine_quirk = snd_soc_acpi_codec_list, 54 .quirk_data = &_rt1019, 55 }, 56 { 57 .id = "RTL5682", 58 .drv_name = "acp3xalc5682sm98360", 59 .machine_quirk = snd_soc_acpi_codec_list, 60 .quirk_data = &_max, 61 }, 62 { 63 .id = "RTL5682", 64 .drv_name = "acp3xalc5682s1019", 65 .machine_quirk = snd_soc_acpi_codec_list, 66 .quirk_data = &_rt1019, 67 }, 68 { 69 .id = "AMDI1019", 70 .drv_name = "renoir-acp", 71 }, 72 {}, 73 }; 74 75 static struct snd_soc_dai_driver acp_renoir_dai[] = { 76 { 77 .name = "acp-i2s-sp", 78 .id = I2S_SP_INSTANCE, 79 .playback = { 80 .stream_name = "I2S SP Playback", 81 .rates = SNDRV_PCM_RATE_8000_96000, 82 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 | 83 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE, 84 .channels_min = 2, 85 .channels_max = 8, 86 .rate_min = 8000, 87 .rate_max = 96000, 88 }, 89 .capture = { 90 .stream_name = "I2S SP Capture", 91 .rates = SNDRV_PCM_RATE_8000_48000, 92 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 | 93 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE, 94 .channels_min = 2, 95 .channels_max = 2, 96 .rate_min = 8000, 97 .rate_max = 48000, 98 }, 99 .ops = &asoc_acp_cpu_dai_ops, 100 .probe = &asoc_acp_i2s_probe, 101 }, 102 { 103 .name = "acp-i2s-bt", 104 .id = I2S_BT_INSTANCE, 105 .playback = { 106 .stream_name = "I2S BT Playback", 107 .rates = SNDRV_PCM_RATE_8000_96000, 108 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 | 109 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE, 110 .channels_min = 2, 111 .channels_max = 8, 112 .rate_min = 8000, 113 .rate_max = 96000, 114 }, 115 .capture = { 116 .stream_name = "I2S BT Capture", 117 .rates = SNDRV_PCM_RATE_8000_48000, 118 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 | 119 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE, 120 .channels_min = 2, 121 .channels_max = 2, 122 .rate_min = 8000, 123 .rate_max = 48000, 124 }, 125 .ops = &asoc_acp_cpu_dai_ops, 126 .probe = &asoc_acp_i2s_probe, 127 }, 128 { 129 .name = "acp-pdm-dmic", 130 .id = DMIC_INSTANCE, 131 .capture = { 132 .rates = SNDRV_PCM_RATE_8000_48000, 133 .formats = SNDRV_PCM_FMTBIT_S32_LE, 134 .channels_min = 2, 135 .channels_max = 2, 136 .rate_min = 8000, 137 .rate_max = 48000, 138 }, 139 .ops = &acp_dmic_dai_ops, 140 }, 141 }; 142 143 144 static int renoir_audio_probe(struct platform_device *pdev) 145 { 146 struct device *dev = &pdev->dev; 147 struct acp_chip_info *chip; 148 struct acp_dev_data *adata; 149 struct resource *res; 150 int ret; 151 152 chip = dev_get_platdata(&pdev->dev); 153 if (!chip || !chip->base) { 154 dev_err(&pdev->dev, "ACP chip data is NULL\n"); 155 return -ENODEV; 156 } 157 158 if (chip->acp_rev != ACP3X_DEV) { 159 dev_err(&pdev->dev, "Un-supported ACP Revision %d\n", chip->acp_rev); 160 return -ENODEV; 161 } 162 163 adata = devm_kzalloc(dev, sizeof(struct acp_dev_data), GFP_KERNEL); 164 if (!adata) 165 return -ENOMEM; 166 167 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "acp_mem"); 168 if (!res) { 169 dev_err(&pdev->dev, "IORESOURCE_MEM FAILED\n"); 170 return -ENODEV; 171 } 172 173 adata->acp_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); 174 if (!adata->acp_base) 175 return -ENOMEM; 176 177 ret = platform_get_irq_byname(pdev, "acp_dai_irq"); 178 if (ret < 0) 179 return ret; 180 adata->i2s_irq = ret; 181 182 adata->dev = dev; 183 adata->dai_driver = acp_renoir_dai; 184 adata->num_dai = ARRAY_SIZE(acp_renoir_dai); 185 adata->rsrc = &rsrc; 186 187 adata->machines = snd_soc_acpi_amd_acp_machines; 188 acp_machine_select(adata); 189 190 dev_set_drvdata(dev, adata); 191 acp_enable_interrupts(adata); 192 acp_platform_register(dev); 193 194 return 0; 195 } 196 197 static void renoir_audio_remove(struct platform_device *pdev) 198 { 199 struct device *dev = &pdev->dev; 200 struct acp_dev_data *adata = dev_get_drvdata(dev); 201 202 acp_disable_interrupts(adata); 203 acp_platform_unregister(dev); 204 } 205 206 static struct platform_driver renoir_driver = { 207 .probe = renoir_audio_probe, 208 .remove_new = renoir_audio_remove, 209 .driver = { 210 .name = "acp_asoc_renoir", 211 }, 212 }; 213 214 module_platform_driver(renoir_driver); 215 216 MODULE_DESCRIPTION("AMD ACP Renoir Driver"); 217 MODULE_IMPORT_NS(SND_SOC_ACP_COMMON); 218 MODULE_LICENSE("Dual BSD/GPL"); 219 MODULE_ALIAS("platform:" DRV_NAME); 220