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) 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 device 12 */ 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 0x1240000 27 #define ACP6x_REG_END 0x125C000 28 29 static const struct sof_amd_acp_desc rembrandt_chip_info = { 30 .rev = 6, 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 .sram_pte_offset = ACP6X_SRAM_PTE_OFFSET, 36 .hw_semaphore_offset = ACP6X_AXI2DAGB_SEM_0, 37 .acp_clkmux_sel = ACP6X_CLKMUX_SEL, 38 .fusion_dsp_offset = ACP6X_DSP_FUSION_RUNSTALL, 39 }; 40 41 static const struct sof_dev_desc rembrandt_desc = { 42 .machines = snd_soc_acpi_amd_rmb_sof_machines, 43 .resindex_lpe_base = 0, 44 .resindex_pcicfg_base = -1, 45 .resindex_imr_base = -1, 46 .irqindex_host_ipc = -1, 47 .chip_info = &rembrandt_chip_info, 48 .ipc_supported_mask = BIT(SOF_IPC), 49 .ipc_default = SOF_IPC, 50 .default_fw_path = { 51 [SOF_IPC] = "amd/sof", 52 }, 53 .default_tplg_path = { 54 [SOF_IPC] = "amd/sof-tplg", 55 }, 56 .default_fw_filename = { 57 [SOF_IPC] = "sof-rmb.ri", 58 }, 59 .nocodec_tplg_filename = "sof-acp.tplg", 60 .ops = &sof_rembrandt_ops, 61 .ops_init = sof_rembrandt_ops_init, 62 }; 63 64 static int acp_pci_rmb_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) 65 { 66 unsigned int flag; 67 68 if (pci->revision != ACP_RMB_PCI_ID) 69 return -ENODEV; 70 71 flag = snd_amd_acp_find_config(pci); 72 if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC) 73 return -ENODEV; 74 75 return sof_pci_probe(pci, pci_id); 76 }; 77 78 static void acp_pci_rmb_remove(struct pci_dev *pci) 79 { 80 sof_pci_remove(pci); 81 } 82 83 /* PCI IDs */ 84 static const struct pci_device_id rmb_pci_ids[] = { 85 { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID), 86 .driver_data = (unsigned long)&rembrandt_desc}, 87 { 0, } 88 }; 89 MODULE_DEVICE_TABLE(pci, rmb_pci_ids); 90 91 /* pci_driver definition */ 92 static struct pci_driver snd_sof_pci_amd_rmb_driver = { 93 .name = KBUILD_MODNAME, 94 .id_table = rmb_pci_ids, 95 .probe = acp_pci_rmb_probe, 96 .remove = acp_pci_rmb_remove, 97 }; 98 module_pci_driver(snd_sof_pci_amd_rmb_driver); 99 100 MODULE_LICENSE("Dual BSD/GPL"); 101 MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON); 102 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV); 103