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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) 2024 Advanced Micro Devices, Inc. All rights reserved.7//8// Authors: Vijendar Mukunda <Vijendar.Mukunda@amd.com>9 10/*.11 * PCI interface for ACP7.0 device12 */13 14#include <linux/module.h>15#include <linux/pci.h>16#include <linux/platform_device.h>17#include <sound/sof.h>18#include <sound/soc-acpi.h>19 20#include "../ops.h"21#include "../sof-pci-dev.h"22#include "../../amd/mach-config.h"23#include "acp.h"24#include "acp-dsp-offset.h"25 26#define ACP70_FUTURE_REG_ACLK_0 0x185427#define ACP70_REG_START 0x124000028#define ACP70_REG_END 0x125C00029 30static const struct sof_amd_acp_desc acp70_chip_info = {31 .host_bridge_id = HOST_BRIDGE_ACP70,32 .pgfsm_base = ACP70_PGFSM_BASE,33 .ext_intr_enb = ACP70_EXTERNAL_INTR_ENB,34 .ext_intr_cntl = ACP70_EXTERNAL_INTR_CNTL,35 .ext_intr_stat = ACP70_EXT_INTR_STAT,36 .ext_intr_stat1 = ACP70_EXT_INTR_STAT1,37 .dsp_intr_base = ACP70_DSP_SW_INTR_BASE,38 .acp_sw0_i2s_err_reason = ACP7X_SW0_I2S_ERROR_REASON,39 .sram_pte_offset = ACP70_SRAM_PTE_OFFSET,40 .hw_semaphore_offset = ACP70_AXI2DAGB_SEM_0,41 .fusion_dsp_offset = ACP70_DSP_FUSION_RUNSTALL,42 .probe_reg_offset = ACP70_FUTURE_REG_ACLK_0,43 .reg_start_addr = ACP70_REG_START,44 .reg_end_addr = ACP70_REG_END,45};46 47static const struct sof_dev_desc acp70_desc = {48 .machines = snd_soc_acpi_amd_acp70_sof_machines,49 .resindex_lpe_base = 0,50 .resindex_pcicfg_base = -1,51 .resindex_imr_base = -1,52 .irqindex_host_ipc = -1,53 .chip_info = &acp70_chip_info,54 .ipc_supported_mask = BIT(SOF_IPC_TYPE_3),55 .ipc_default = SOF_IPC_TYPE_3,56 .default_fw_path = {57 [SOF_IPC_TYPE_3] = "amd/sof",58 },59 .default_tplg_path = {60 [SOF_IPC_TYPE_3] = "amd/sof-tplg",61 },62 .default_fw_filename = {63 [SOF_IPC_TYPE_3] = "sof-acp_7_0.ri",64 },65 .nocodec_tplg_filename = "sof-acp.tplg",66 .ops = &sof_acp70_ops,67 .ops_init = sof_acp70_ops_init,68};69 70static int acp70_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)71{72 unsigned int flag;73 74 if (pci->revision != ACP70_PCI_ID)75 return -ENODEV;76 77 flag = snd_amd_acp_find_config(pci);78 if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)79 return -ENODEV;80 81 return sof_pci_probe(pci, pci_id);82};83 84static void acp70_pci_remove(struct pci_dev *pci)85{86 sof_pci_remove(pci);87}88 89/* PCI IDs */90static const struct pci_device_id acp70_pci_ids[] = {91 { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),92 .driver_data = (unsigned long)&acp70_desc},93 { 0, }94};95MODULE_DEVICE_TABLE(pci, acp70_pci_ids);96 97/* pci_driver definition */98static struct pci_driver snd_sof_pci_amd_acp70_driver = {99 .name = KBUILD_MODNAME,100 .id_table = acp70_pci_ids,101 .probe = acp70_pci_probe,102 .remove = acp70_pci_remove,103 .driver = {104 .pm = &sof_pci_pm,105 },106};107module_pci_driver(snd_sof_pci_amd_acp70_driver);108 109MODULE_LICENSE("Dual BSD/GPL");110MODULE_DESCRIPTION("ACP70 SOF Driver");111MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON);112MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);113