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: Vijendar Mukunda <Vijendar.Mukunda@amd.com> 9 10 /*. 11 * PCI interface for ACP6.3 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_FUTURE_REG_ACLK_0 0x1854 27 #define ACP6x_REG_START 0x1240000 28 #define ACP6x_REG_END 0x125C000 29 30 static const struct sof_amd_acp_desc acp63_chip_info = { 31 .host_bridge_id = HOST_BRIDGE_ACP63, 32 .pgfsm_base = ACP6X_PGFSM_BASE, 33 .ext_intr_enb = ACP6X_EXTERNAL_INTR_ENB, 34 .ext_intr_cntl = ACP6X_EXTERNAL_INTR_CNTL, 35 .ext_intr_stat = ACP6X_EXT_INTR_STAT, 36 .ext_intr_stat1 = ACP6X_EXT_INTR_STAT1, 37 .acp_error_stat = ACP6X_ERROR_STATUS, 38 .acp_sw0_i2s_err_reason = ACP6X_SW0_I2S_ERROR_REASON, 39 .dsp_intr_base = ACP6X_DSP_SW_INTR_BASE, 40 .sram_pte_offset = ACP6X_SRAM_PTE_OFFSET, 41 .hw_semaphore_offset = ACP6X_AXI2DAGB_SEM_0, 42 .fusion_dsp_offset = ACP6X_DSP_FUSION_RUNSTALL, 43 .probe_reg_offset = ACP6X_FUTURE_REG_ACLK_0, 44 .sdw_max_link_count = ACP6X_SDW_MAX_MANAGER_COUNT, 45 .sdw_acpi_dev_addr = SDW_ACPI_ADDR_ACP63, 46 .reg_start_addr = ACP6x_REG_START, 47 .reg_end_addr = ACP6x_REG_END, 48 }; 49 50 static const struct sof_dev_desc acp63_desc = { 51 .machines = snd_soc_acpi_amd_acp63_sof_machines, 52 .alt_machines = snd_soc_acpi_amd_acp63_sof_sdw_machines, 53 .resindex_lpe_base = 0, 54 .resindex_pcicfg_base = -1, 55 .resindex_imr_base = -1, 56 .irqindex_host_ipc = -1, 57 .chip_info = &acp63_chip_info, 58 .ipc_supported_mask = BIT(SOF_IPC_TYPE_3), 59 .ipc_default = SOF_IPC_TYPE_3, 60 .default_fw_path = { 61 [SOF_IPC_TYPE_3] = "amd/sof", 62 }, 63 .default_tplg_path = { 64 [SOF_IPC_TYPE_3] = "amd/sof-tplg", 65 }, 66 .default_fw_filename = { 67 [SOF_IPC_TYPE_3] = "sof-acp_6_3.ri", 68 }, 69 .nocodec_tplg_filename = "sof-acp.tplg", 70 .ops = &sof_acp63_ops, 71 .ops_init = sof_acp63_ops_init, 72 }; 73 74 static int acp63_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) 75 { 76 unsigned int flag; 77 78 if (pci->revision != ACP63_PCI_ID) 79 return -ENODEV; 80 81 flag = snd_amd_acp_find_config(pci); 82 if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC) 83 return -ENODEV; 84 85 return sof_pci_probe(pci, pci_id); 86 }; 87 88 static void acp63_pci_remove(struct pci_dev *pci) 89 { 90 sof_pci_remove(pci); 91 } 92 93 /* PCI IDs */ 94 static const struct pci_device_id acp63_pci_ids[] = { 95 { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID), 96 .driver_data = (unsigned long)&acp63_desc}, 97 { 0, } 98 }; 99 MODULE_DEVICE_TABLE(pci, acp63_pci_ids); 100 101 /* pci_driver definition */ 102 static struct pci_driver snd_sof_pci_amd_acp63_driver = { 103 .name = KBUILD_MODNAME, 104 .id_table = acp63_pci_ids, 105 .probe = acp63_pci_probe, 106 .remove = acp63_pci_remove, 107 .driver = { 108 .pm = &sof_pci_pm, 109 }, 110 }; 111 module_pci_driver(snd_sof_pci_amd_acp63_driver); 112 113 MODULE_LICENSE("Dual BSD/GPL"); 114 MODULE_DESCRIPTION("ACP63 SOF Driver"); 115 MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON); 116 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV); 117