pci-vangogh.c

  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 <sound/sof.h>
 17#include <sound/soc-acpi.h>
 18
 19#include "../sof-pci-dev.h"
 20#include "../../amd/mach-config.h"
 21#include "acp.h"
 22#include "acp-dsp-offset.h"
 23
 24#define ACP5X_FUTURE_REG_ACLK_0 0x1864
 25
 26static const struct sof_amd_acp_desc vangogh_chip_info = {
 27	.name		= "vangogh",
 28	.pgfsm_base	= ACP5X_PGFSM_BASE,
 29	.ext_intr_stat	= ACP5X_EXT_INTR_STAT,
 30	.dsp_intr_base	= ACP5X_DSP_SW_INTR_BASE,
 31	.sram_pte_offset = ACP5X_SRAM_PTE_OFFSET,
 32	.hw_semaphore_offset = ACP5X_AXI2DAGB_SEM_0,
 33	.probe_reg_offset = ACP5X_FUTURE_REG_ACLK_0,
 34};
 35
 36static const struct sof_dev_desc vangogh_desc = {
 37	.machines		= snd_soc_acpi_amd_vangogh_sof_machines,
 38	.resindex_lpe_base	= 0,
 39	.resindex_pcicfg_base	= -1,
 40	.resindex_imr_base	= -1,
 41	.irqindex_host_ipc	= -1,
 42	.chip_info		= &vangogh_chip_info,
 43	.ipc_supported_mask     = BIT(SOF_IPC_TYPE_3),
 44	.ipc_default            = SOF_IPC_TYPE_3,
 45	.default_fw_path	= {
 46		[SOF_IPC_TYPE_3] = "amd/sof",
 47	},
 48	.default_tplg_path	= {
 49		[SOF_IPC_TYPE_3] = "amd/sof-tplg",
 50	},
 51	.default_fw_filename	= {
 52		[SOF_IPC_TYPE_3] = "sof-vangogh.ri",
 53	},
 54	.nocodec_tplg_filename	= "sof-acp.tplg",
 55	.ops			= &sof_vangogh_ops,
 56	.ops_init		= sof_vangogh_ops_init,
 57};
 58
 59static int acp_pci_vgh_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 60{
 61	unsigned int flag;
 62
 63	if (pci->revision != ACP_VANGOGH_PCI_ID)
 64		return -ENODEV;
 65
 66	flag = snd_amd_acp_find_config(pci);
 67	if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
 68		return -ENODEV;
 69
 70	return sof_pci_probe(pci, pci_id);
 71};
 72
 73static void acp_pci_vgh_remove(struct pci_dev *pci)
 74{
 75	sof_pci_remove(pci);
 76}
 77
 78/* PCI IDs */
 79static const struct pci_device_id vgh_pci_ids[] = {
 80	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
 81	.driver_data = (unsigned long)&vangogh_desc},
 82	{ 0, }
 83};
 84MODULE_DEVICE_TABLE(pci, vgh_pci_ids);
 85
 86/* pci_driver definition */
 87static struct pci_driver snd_sof_pci_amd_vgh_driver = {
 88	.name = KBUILD_MODNAME,
 89	.id_table = vgh_pci_ids,
 90	.probe = acp_pci_vgh_probe,
 91	.remove = acp_pci_vgh_remove,
 92	.driver = {
 93		.pm = pm_ptr(&sof_pci_pm),
 94	},
 95};
 96module_pci_driver(snd_sof_pci_amd_vgh_driver);
 97
 98MODULE_LICENSE("Dual BSD/GPL");
 99MODULE_DESCRIPTION("VANGOGH SOF Driver");
100MODULE_IMPORT_NS("SND_SOC_SOF_AMD_COMMON");
101MODULE_IMPORT_NS("SND_SOC_SOF_PCI_DEV");