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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) 2021 Advanced Micro Devices, Inc. All rights reserved.7//8// Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>9 10/*11 * PCI interface for Renoir ACP 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 ACP3x_REG_START 0x124000027#define ACP3x_REG_END 0x125C00028#define ACP3X_FUTURE_REG_ACLK_0 0x186029 30static const struct sof_amd_acp_desc renoir_chip_info = {31 .host_bridge_id = HOST_BRIDGE_CZN,32 .pgfsm_base = ACP3X_PGFSM_BASE,33 .ext_intr_stat = ACP3X_EXT_INTR_STAT,34 .dsp_intr_base = ACP3X_DSP_SW_INTR_BASE,35 .acp_error_stat = ACP3X_ERROR_STATUS,36 .acp_sw0_i2s_err_reason = ACP3X_SW_I2S_ERROR_REASON,37 .sram_pte_offset = ACP3X_SRAM_PTE_OFFSET,38 .hw_semaphore_offset = ACP3X_AXI2DAGB_SEM_0,39 .acp_clkmux_sel = ACP3X_CLKMUX_SEL,40 .probe_reg_offset = ACP3X_FUTURE_REG_ACLK_0,41};42 43static const struct sof_dev_desc renoir_desc = {44 .machines = snd_soc_acpi_amd_sof_machines,45 .use_acpi_target_states = true,46 .resindex_lpe_base = 0,47 .resindex_pcicfg_base = -1,48 .resindex_imr_base = -1,49 .irqindex_host_ipc = -1,50 .chip_info = &renoir_chip_info,51 .ipc_supported_mask = BIT(SOF_IPC_TYPE_3),52 .ipc_default = SOF_IPC_TYPE_3,53 .default_fw_path = {54 [SOF_IPC_TYPE_3] = "amd/sof",55 },56 .default_tplg_path = {57 [SOF_IPC_TYPE_3] = "amd/sof-tplg",58 },59 .default_fw_filename = {60 [SOF_IPC_TYPE_3] = "sof-rn.ri",61 },62 .nocodec_tplg_filename = "sof-acp.tplg",63 .ops = &sof_renoir_ops,64 .ops_init = sof_renoir_ops_init,65};66 67static int acp_pci_rn_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)68{69 unsigned int flag;70 71 if (pci->revision != ACP_RN_PCI_ID)72 return -ENODEV;73 74 flag = snd_amd_acp_find_config(pci);75 if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)76 return -ENODEV;77 78 return sof_pci_probe(pci, pci_id);79};80 81static void acp_pci_rn_remove(struct pci_dev *pci)82{83 return sof_pci_remove(pci);84}85 86/* PCI IDs */87static const struct pci_device_id rn_pci_ids[] = {88 { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),89 .driver_data = (unsigned long)&renoir_desc},90 { 0, }91};92MODULE_DEVICE_TABLE(pci, rn_pci_ids);93 94/* pci_driver definition */95static struct pci_driver snd_sof_pci_amd_rn_driver = {96 .name = KBUILD_MODNAME,97 .id_table = rn_pci_ids,98 .probe = acp_pci_rn_probe,99 .remove = acp_pci_rn_remove,100 .driver = {101 .pm = &sof_pci_pm,102 },103};104module_pci_driver(snd_sof_pci_amd_rn_driver);105 106MODULE_LICENSE("Dual BSD/GPL");107MODULE_DESCRIPTION("RENOIR SOF Driver");108MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON);109MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);110