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) 2023 Advanced Micro Devices, Inc. All rights reserved. 7 // 8 // Authors: Venkata Prasad Potturu <venkataprasad.potturu@amd.com> 9 10 /*. 11 * PCI interface for Vangogh 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 ACP5X_FUTURE_REG_ACLK_0 0x1864 27 28 static const struct sof_amd_acp_desc vangogh_chip_info = { 29 .rev = 5, 30 .name = "vangogh", 31 .host_bridge_id = HOST_BRIDGE_VGH, 32 .pgfsm_base = ACP5X_PGFSM_BASE, 33 .ext_intr_stat = ACP5X_EXT_INTR_STAT, 34 .dsp_intr_base = ACP5X_DSP_SW_INTR_BASE, 35 .sram_pte_offset = ACP5X_SRAM_PTE_OFFSET, 36 .hw_semaphore_offset = ACP5X_AXI2DAGB_SEM_0, 37 .probe_reg_offset = ACP5X_FUTURE_REG_ACLK_0, 38 }; 39 40 static const struct sof_dev_desc vangogh_desc = { 41 .machines = snd_soc_acpi_amd_vangogh_sof_machines, 42 .resindex_lpe_base = 0, 43 .resindex_pcicfg_base = -1, 44 .resindex_imr_base = -1, 45 .irqindex_host_ipc = -1, 46 .chip_info = &vangogh_chip_info, 47 .ipc_supported_mask = BIT(SOF_IPC_TYPE_3), 48 .ipc_default = SOF_IPC_TYPE_3, 49 .default_fw_path = { 50 [SOF_IPC_TYPE_3] = "amd/sof", 51 }, 52 .default_tplg_path = { 53 [SOF_IPC_TYPE_3] = "amd/sof-tplg", 54 }, 55 .default_fw_filename = { 56 [SOF_IPC_TYPE_3] = "sof-vangogh.ri", 57 }, 58 .nocodec_tplg_filename = "sof-acp.tplg", 59 .ops = &sof_vangogh_ops, 60 .ops_init = sof_vangogh_ops_init, 61 }; 62 63 static int acp_pci_vgh_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) 64 { 65 unsigned int flag; 66 67 if (pci->revision != ACP_VANGOGH_PCI_ID) 68 return -ENODEV; 69 70 flag = snd_amd_acp_find_config(pci); 71 if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC) 72 return -ENODEV; 73 74 return sof_pci_probe(pci, pci_id); 75 }; 76 77 static void acp_pci_vgh_remove(struct pci_dev *pci) 78 { 79 sof_pci_remove(pci); 80 } 81 82 /* PCI IDs */ 83 static const struct pci_device_id vgh_pci_ids[] = { 84 { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID), 85 .driver_data = (unsigned long)&vangogh_desc}, 86 { 0, } 87 }; 88 MODULE_DEVICE_TABLE(pci, vgh_pci_ids); 89 90 /* pci_driver definition */ 91 static struct pci_driver snd_sof_pci_amd_vgh_driver = { 92 .name = KBUILD_MODNAME, 93 .id_table = vgh_pci_ids, 94 .probe = acp_pci_vgh_probe, 95 .remove = acp_pci_vgh_remove, 96 .driver = { 97 .pm = &sof_pci_pm, 98 }, 99 }; 100 module_pci_driver(snd_sof_pci_amd_vgh_driver); 101 102 MODULE_LICENSE("Dual BSD/GPL"); 103 MODULE_DESCRIPTION("VANGOGH SOF Driver"); 104 MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON); 105 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV); 106