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 #define ACP6X_FUTURE_REG_ACLK_0 0x1854 29 30 static const struct sof_amd_acp_desc rembrandt_chip_info = { 31 .rev = 6, 32 .host_bridge_id = HOST_BRIDGE_RMB, 33 .pgfsm_base = ACP6X_PGFSM_BASE, 34 .ext_intr_stat = ACP6X_EXT_INTR_STAT, 35 .dsp_intr_base = ACP6X_DSP_SW_INTR_BASE, 36 .sram_pte_offset = ACP6X_SRAM_PTE_OFFSET, 37 .hw_semaphore_offset = ACP6X_AXI2DAGB_SEM_0, 38 .acp_clkmux_sel = ACP6X_CLKMUX_SEL, 39 .fusion_dsp_offset = ACP6X_DSP_FUSION_RUNSTALL, 40 .probe_reg_offset = ACP6X_FUTURE_REG_ACLK_0, 41 }; 42 43 static 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), 51 .ipc_default = SOF_IPC, 52 .default_fw_path = { 53 [SOF_IPC] = "amd/sof", 54 }, 55 .default_tplg_path = { 56 [SOF_IPC] = "amd/sof-tplg", 57 }, 58 .default_fw_filename = { 59 [SOF_IPC] = "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 66 static 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 80 static void acp_pci_rmb_remove(struct pci_dev *pci) 81 { 82 sof_pci_remove(pci); 83 } 84 85 /* PCI IDs */ 86 static 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 }; 91 MODULE_DEVICE_TABLE(pci, rmb_pci_ids); 92 93 /* pci_driver definition */ 94 static 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 }; 100 module_pci_driver(snd_sof_pci_amd_rmb_driver); 101 102 MODULE_LICENSE("Dual BSD/GPL"); 103 MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON); 104 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV); 105