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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) 2022 Advanced Micro Devices, Inc. All rights reserved.7//8// Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>9 10/*.11 * PCI interface for Rembrandt 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 ACP6x_REG_START 0x124000027#define ACP6x_REG_END 0x125C00028#define ACP6X_FUTURE_REG_ACLK_0 0x185429 30static const struct sof_amd_acp_desc rembrandt_chip_info = {31 .host_bridge_id = HOST_BRIDGE_RMB,32 .pgfsm_base = ACP6X_PGFSM_BASE,33 .ext_intr_stat = ACP6X_EXT_INTR_STAT,34 .dsp_intr_base = ACP6X_DSP_SW_INTR_BASE,35 .acp_error_stat = ACP6X_ERROR_STATUS,36 .acp_sw0_i2s_err_reason = ACP6X_SW0_I2S_ERROR_REASON,37 .sram_pte_offset = ACP6X_SRAM_PTE_OFFSET,38 .hw_semaphore_offset = ACP6X_AXI2DAGB_SEM_0,39 .fusion_dsp_offset = ACP6X_DSP_FUSION_RUNSTALL,40 .probe_reg_offset = ACP6X_FUTURE_REG_ACLK_0,41};42 43static const struct sof_dev_desc rembrandt_desc = {44 .machines = snd_soc_acpi_amd_rmb_sof_machines,45 .resindex_lpe_base = 0,46 .resindex_pcicfg_base = -1,47 .resindex_imr_base = -1,48 .irqindex_host_ipc = -1,49 .chip_info = &rembrandt_chip_info,50 .ipc_supported_mask = BIT(SOF_IPC_TYPE_3),51 .ipc_default = SOF_IPC_TYPE_3,52 .default_fw_path = {53 [SOF_IPC_TYPE_3] = "amd/sof",54 },55 .default_tplg_path = {56 [SOF_IPC_TYPE_3] = "amd/sof-tplg",57 },58 .default_fw_filename = {59 [SOF_IPC_TYPE_3] = "sof-rmb.ri",60 },61 .nocodec_tplg_filename = "sof-acp.tplg",62 .ops = &sof_rembrandt_ops,63 .ops_init = sof_rembrandt_ops_init,64};65 66static int acp_pci_rmb_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)67{68 unsigned int flag;69 70 if (pci->revision != ACP_RMB_PCI_ID)71 return -ENODEV;72 73 flag = snd_amd_acp_find_config(pci);74 if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)75 return -ENODEV;76 77 return sof_pci_probe(pci, pci_id);78};79 80static void acp_pci_rmb_remove(struct pci_dev *pci)81{82 sof_pci_remove(pci);83}84 85/* PCI IDs */86static const struct pci_device_id rmb_pci_ids[] = {87 { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),88 .driver_data = (unsigned long)&rembrandt_desc},89 { 0, }90};91MODULE_DEVICE_TABLE(pci, rmb_pci_ids);92 93/* pci_driver definition */94static struct pci_driver snd_sof_pci_amd_rmb_driver = {95 .name = KBUILD_MODNAME,96 .id_table = rmb_pci_ids,97 .probe = acp_pci_rmb_probe,98 .remove = acp_pci_rmb_remove,99};100module_pci_driver(snd_sof_pci_amd_rmb_driver);101 102MODULE_LICENSE("Dual BSD/GPL");103MODULE_DESCRIPTION("REMBRANDT SOF Driver");104MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON);105MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);106