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 * Hardware interface for Audio DSP on Renoir platform 12 */ 13 14 #include <linux/platform_device.h> 15 #include <linux/module.h> 16 17 #include "../ops.h" 18 #include "../sof-audio.h" 19 #include "acp.h" 20 #include "acp-dsp-offset.h" 21 22 #define I2S_BT_INSTANCE 0 23 #define I2S_SP_INSTANCE 1 24 #define PDM_DMIC_INSTANCE 2 25 26 #define I2S_MODE 0x04 27 28 static int renoir_dai_probe(struct snd_soc_dai *dai) 29 { 30 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(dai->component); 31 unsigned int val; 32 33 val = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_I2S_PIN_CONFIG); 34 if (val != I2S_MODE) { 35 dev_err(sdev->dev, "I2S Mode is not supported (I2S_PIN_CONFIG: %#x)\n", val); 36 return -EINVAL; 37 } 38 39 return 0; 40 } 41 42 static struct snd_soc_dai_driver renoir_sof_dai[] = { 43 [I2S_BT_INSTANCE] = { 44 .id = I2S_BT_INSTANCE, 45 .name = "acp-sof-bt", 46 .playback = { 47 .rates = SNDRV_PCM_RATE_8000_96000, 48 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 | 49 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE, 50 .channels_min = 2, 51 .channels_max = 8, 52 .rate_min = 8000, 53 .rate_max = 96000, 54 }, 55 .capture = { 56 .rates = SNDRV_PCM_RATE_8000_48000, 57 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 | 58 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE, 59 /* Supporting only stereo for I2S BT controller capture */ 60 .channels_min = 2, 61 .channels_max = 2, 62 .rate_min = 8000, 63 .rate_max = 48000, 64 }, 65 .probe = &renoir_dai_probe, 66 }, 67 68 [I2S_SP_INSTANCE] = { 69 .id = I2S_SP_INSTANCE, 70 .name = "acp-sof-sp", 71 .playback = { 72 .rates = SNDRV_PCM_RATE_8000_96000, 73 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 | 74 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE, 75 .channels_min = 2, 76 .channels_max = 8, 77 .rate_min = 8000, 78 .rate_max = 96000, 79 }, 80 .capture = { 81 .rates = SNDRV_PCM_RATE_8000_48000, 82 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 | 83 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE, 84 /* Supporting only stereo for I2S SP controller capture */ 85 .channels_min = 2, 86 .channels_max = 2, 87 .rate_min = 8000, 88 .rate_max = 48000, 89 }, 90 .probe = &renoir_dai_probe, 91 }, 92 93 [PDM_DMIC_INSTANCE] = { 94 .id = PDM_DMIC_INSTANCE, 95 .name = "acp-sof-dmic", 96 .capture = { 97 .rates = SNDRV_PCM_RATE_8000_48000, 98 .formats = SNDRV_PCM_FMTBIT_S32_LE, 99 .channels_min = 2, 100 .channels_max = 4, 101 .rate_min = 8000, 102 .rate_max = 48000, 103 }, 104 }, 105 }; 106 107 static struct snd_soc_acpi_mach *amd_sof_machine_select(struct snd_sof_dev *sdev) 108 { 109 struct snd_sof_pdata *sof_pdata = sdev->pdata; 110 const struct sof_dev_desc *desc = sof_pdata->desc; 111 struct snd_soc_acpi_mach *mach; 112 113 mach = snd_soc_acpi_find_machine(desc->machines); 114 if (!mach) { 115 dev_warn(sdev->dev, "No matching ASoC machine driver found\n"); 116 return NULL; 117 } 118 119 sof_pdata->tplg_filename = mach->sof_tplg_filename; 120 sof_pdata->fw_filename = mach->fw_filename; 121 122 return mach; 123 } 124 125 /* AMD Renoir DSP ops */ 126 struct snd_sof_dsp_ops sof_renoir_ops = { 127 /* probe and remove */ 128 .probe = amd_sof_acp_probe, 129 .remove = amd_sof_acp_remove, 130 131 /* Register IO */ 132 .write = sof_io_write, 133 .read = sof_io_read, 134 135 /* Block IO */ 136 .block_read = acp_dsp_block_read, 137 .block_write = acp_dsp_block_write, 138 139 /*Firmware loading */ 140 .load_firmware = snd_sof_load_firmware_memcpy, 141 .pre_fw_run = acp_dsp_pre_fw_run, 142 .get_bar_index = acp_get_bar_index, 143 144 /* DSP core boot */ 145 .run = acp_sof_dsp_run, 146 147 /*IPC */ 148 .send_msg = acp_sof_ipc_send_msg, 149 .ipc_msg_data = acp_sof_ipc_msg_data, 150 .get_mailbox_offset = acp_sof_ipc_get_mailbox_offset, 151 .irq_thread = acp_sof_ipc_irq_thread, 152 153 /* DAI drivers */ 154 .drv = renoir_sof_dai, 155 .num_drv = ARRAY_SIZE(renoir_sof_dai), 156 157 /* stream callbacks */ 158 .pcm_open = acp_pcm_open, 159 .pcm_close = acp_pcm_close, 160 .pcm_hw_params = acp_pcm_hw_params, 161 162 .hw_info = SNDRV_PCM_INFO_MMAP | 163 SNDRV_PCM_INFO_MMAP_VALID | 164 SNDRV_PCM_INFO_INTERLEAVED | 165 SNDRV_PCM_INFO_PAUSE | 166 SNDRV_PCM_INFO_NO_PERIOD_WAKEUP, 167 168 /* Machine driver callbacks */ 169 .machine_select = amd_sof_machine_select, 170 .machine_register = sof_machine_register, 171 .machine_unregister = sof_machine_unregister, 172 173 /* Trace Logger */ 174 .trace_init = acp_sof_trace_init, 175 .trace_release = acp_sof_trace_release, 176 }; 177 EXPORT_SYMBOL(sof_renoir_ops); 178 179 MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON); 180 MODULE_DESCRIPTION("RENOIR SOF Driver"); 181 MODULE_LICENSE("Dual BSD/GPL"); 182