260 lines · c
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 or4// 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 block13 */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#include <linux/pm_runtime.h>24 25#include "amd.h"26#include "acp-mach.h"27 28#define DRV_NAME "acp_asoc_renoir"29 30static struct acp_resource rsrc = {31 .offset = 20,32 .no_of_ctrls = 1,33 .irqp_used = 0,34 .irq_reg_offset = 0x1800,35 .scratch_reg_offset = 0x12800,36 .sram_pte_offset = 0x02052800,37};38 39static struct snd_soc_acpi_codecs amp_rt1019 = {40 .num_codecs = 1,41 .codecs = {"10EC1019"}42};43 44static struct snd_soc_acpi_codecs amp_max = {45 .num_codecs = 1,46 .codecs = {"MX98360A"}47};48 49static 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 .id = "ESSX8336",74 .drv_name = "acp3x-es83xx",75 },76 {},77};78 79static struct snd_soc_dai_driver acp_renoir_dai[] = {80{81 .name = "acp-i2s-sp",82 .id = I2S_SP_INSTANCE,83 .playback = {84 .stream_name = "I2S SP Playback",85 .rates = SNDRV_PCM_RATE_8000_96000,86 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |87 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,88 .channels_min = 2,89 .channels_max = 8,90 .rate_min = 8000,91 .rate_max = 96000,92 },93 .capture = {94 .stream_name = "I2S SP Capture",95 .rates = SNDRV_PCM_RATE_8000_48000,96 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |97 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,98 .channels_min = 2,99 .channels_max = 2,100 .rate_min = 8000,101 .rate_max = 48000,102 },103 .ops = &asoc_acp_cpu_dai_ops,104},105{106 .name = "acp-i2s-bt",107 .id = I2S_BT_INSTANCE,108 .playback = {109 .stream_name = "I2S BT Playback",110 .rates = SNDRV_PCM_RATE_8000_96000,111 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |112 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,113 .channels_min = 2,114 .channels_max = 8,115 .rate_min = 8000,116 .rate_max = 96000,117 },118 .capture = {119 .stream_name = "I2S BT Capture",120 .rates = SNDRV_PCM_RATE_8000_48000,121 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |122 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,123 .channels_min = 2,124 .channels_max = 2,125 .rate_min = 8000,126 .rate_max = 48000,127 },128 .ops = &asoc_acp_cpu_dai_ops,129},130{131 .name = "acp-pdm-dmic",132 .id = DMIC_INSTANCE,133 .capture = {134 .rates = SNDRV_PCM_RATE_8000_48000,135 .formats = SNDRV_PCM_FMTBIT_S32_LE,136 .channels_min = 2,137 .channels_max = 2,138 .rate_min = 8000,139 .rate_max = 48000,140 },141 .ops = &acp_dmic_dai_ops,142},143};144 145 146static int renoir_audio_probe(struct platform_device *pdev)147{148 struct device *dev = &pdev->dev;149 struct acp_chip_info *chip;150 struct acp_dev_data *adata;151 struct resource *res;152 int ret;153 154 chip = dev_get_platdata(&pdev->dev);155 if (!chip || !chip->base) {156 dev_err(&pdev->dev, "ACP chip data is NULL\n");157 return -ENODEV;158 }159 160 if (chip->acp_rev != ACP3X_DEV) {161 dev_err(&pdev->dev, "Un-supported ACP Revision %d\n", chip->acp_rev);162 return -ENODEV;163 }164 165 adata = devm_kzalloc(dev, sizeof(struct acp_dev_data), GFP_KERNEL);166 if (!adata)167 return -ENOMEM;168 169 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "acp_mem");170 if (!res) {171 dev_err(&pdev->dev, "IORESOURCE_MEM FAILED\n");172 return -ENODEV;173 }174 175 adata->acp_base = devm_ioremap(&pdev->dev, res->start, resource_size(res));176 if (!adata->acp_base)177 return -ENOMEM;178 179 ret = platform_get_irq_byname(pdev, "acp_dai_irq");180 if (ret < 0)181 return ret;182 adata->i2s_irq = ret;183 184 adata->dev = dev;185 adata->dai_driver = acp_renoir_dai;186 adata->num_dai = ARRAY_SIZE(acp_renoir_dai);187 adata->rsrc = &rsrc;188 adata->platform = RENOIR;189 adata->flag = chip->flag;190 191 adata->machines = snd_soc_acpi_amd_acp_machines;192 acp_machine_select(adata);193 194 dev_set_drvdata(dev, adata);195 acp_enable_interrupts(adata);196 acp_platform_register(dev);197 198 pm_runtime_set_autosuspend_delay(&pdev->dev, ACP_SUSPEND_DELAY_MS);199 pm_runtime_use_autosuspend(&pdev->dev);200 pm_runtime_mark_last_busy(&pdev->dev);201 pm_runtime_set_active(&pdev->dev);202 pm_runtime_enable(&pdev->dev);203 return 0;204}205 206static void renoir_audio_remove(struct platform_device *pdev)207{208 struct device *dev = &pdev->dev;209 struct acp_dev_data *adata = dev_get_drvdata(dev);210 211 acp_disable_interrupts(adata);212 acp_platform_unregister(dev);213}214 215static int __maybe_unused rn_pcm_resume(struct device *dev)216{217 struct acp_dev_data *adata = dev_get_drvdata(dev);218 struct acp_stream *stream;219 struct snd_pcm_substream *substream;220 snd_pcm_uframes_t buf_in_frames;221 u64 buf_size;222 223 spin_lock(&adata->acp_lock);224 list_for_each_entry(stream, &adata->stream_list, list) {225 substream = stream->substream;226 if (substream && substream->runtime) {227 buf_in_frames = (substream->runtime->buffer_size);228 buf_size = frames_to_bytes(substream->runtime, buf_in_frames);229 config_pte_for_stream(adata, stream);230 config_acp_dma(adata, stream, buf_size);231 if (stream->dai_id)232 restore_acp_i2s_params(substream, adata, stream);233 else234 restore_acp_pdm_params(substream, adata);235 }236 }237 spin_unlock(&adata->acp_lock);238 return 0;239}240 241static const struct dev_pm_ops rn_dma_pm_ops = {242 SET_SYSTEM_SLEEP_PM_OPS(NULL, rn_pcm_resume)243};244 245static struct platform_driver renoir_driver = {246 .probe = renoir_audio_probe,247 .remove = renoir_audio_remove,248 .driver = {249 .name = "acp_asoc_renoir",250 .pm = &rn_dma_pm_ops,251 },252};253 254module_platform_driver(renoir_driver);255 256MODULE_DESCRIPTION("AMD ACP Renoir Driver");257MODULE_IMPORT_NS(SND_SOC_ACP_COMMON);258MODULE_LICENSE("Dual BSD/GPL");259MODULE_ALIAS("platform:" DRV_NAME);260