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) 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 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 ACP70_FUTURE_REG_ACLK_0 0x1854 27 #define ACP70_REG_START 0x1240000 28 #define ACP70_REG_END 0x125C000 29 30 static 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 47 static 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 70 static 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 84 static void acp70_pci_remove(struct pci_dev *pci) 85 { 86 sof_pci_remove(pci); 87 } 88 89 /* PCI IDs */ 90 static 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 }; 95 MODULE_DEVICE_TABLE(pci, acp70_pci_ids); 96 97 /* pci_driver definition */ 98 static 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 }; 107 module_pci_driver(snd_sof_pci_amd_acp70_driver); 108 109 MODULE_LICENSE("Dual BSD/GPL"); 110 MODULE_DESCRIPTION("ACP70 SOF Driver"); 111 MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON); 112 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV); 113