pci-acp70.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) 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
 30static const struct sof_amd_acp_desc acp70_chip_info = {
 31	.pgfsm_base	= ACP70_PGFSM_BASE,
 32	.ext_intr_enb = ACP70_EXTERNAL_INTR_ENB,
 33	.ext_intr_cntl = ACP70_EXTERNAL_INTR_CNTL,
 34	.ext_intr_stat	= ACP70_EXT_INTR_STAT,
 35	.ext_intr_stat1	= ACP70_EXT_INTR_STAT1,
 36	.acp_error_stat = ACP70_ERROR_STATUS,
 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	.sdw_max_link_count = ACP70_SDW_MAX_MANAGER_COUNT,
 44	.sdw_acpi_dev_addr = SDW_ACPI_ADDR_ACP70,
 45	.reg_start_addr = ACP70_REG_START,
 46	.reg_end_addr = ACP70_REG_END,
 47};
 48
 49static const struct sof_dev_desc acp70_desc = {
 50	.machines		= snd_soc_acpi_amd_acp70_sof_machines,
 51	.alt_machines           = snd_soc_acpi_amd_acp70_sof_sdw_machines,
 52	.resindex_lpe_base	= 0,
 53	.resindex_pcicfg_base	= -1,
 54	.resindex_imr_base	= -1,
 55	.irqindex_host_ipc	= -1,
 56	.chip_info		= &acp70_chip_info,
 57	.ipc_supported_mask     = BIT(SOF_IPC_TYPE_3),
 58	.ipc_default            = SOF_IPC_TYPE_3,
 59	.default_fw_path	= {
 60		[SOF_IPC_TYPE_3] = "amd/sof",
 61	},
 62	.default_tplg_path	= {
 63		[SOF_IPC_TYPE_3] = "amd/sof-tplg",
 64	},
 65	.default_fw_filename	= {
 66		[SOF_IPC_TYPE_3] = "sof-acp_7_0.ri",
 67	},
 68	.nocodec_tplg_filename	= "sof-acp.tplg",
 69	.ops			= &sof_acp70_ops,
 70	.ops_init		= sof_acp70_ops_init,
 71};
 72
 73static int acp70_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 74{
 75	unsigned int flag;
 76
 77	switch (pci->revision) {
 78	case ACP70_PCI_ID:
 79	case ACP71_PCI_ID:
 80	case ACP72_PCI_ID:
 81			break;
 82	default:
 83		return -ENODEV;
 84	}
 85
 86	flag = snd_amd_acp_find_config(pci);
 87	if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
 88		return -ENODEV;
 89
 90	return sof_pci_probe(pci, pci_id);
 91};
 92
 93static void acp70_pci_remove(struct pci_dev *pci)
 94{
 95	sof_pci_remove(pci);
 96}
 97
 98/* PCI IDs */
 99static const struct pci_device_id acp70_pci_ids[] = {
100	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
101	.driver_data = (unsigned long)&acp70_desc},
102	{ 0, }
103};
104MODULE_DEVICE_TABLE(pci, acp70_pci_ids);
105
106/* pci_driver definition */
107static struct pci_driver snd_sof_pci_amd_acp70_driver = {
108	.name = KBUILD_MODNAME,
109	.id_table = acp70_pci_ids,
110	.probe = acp70_pci_probe,
111	.remove = acp70_pci_remove,
112	.driver = {
113		.pm = pm_ptr(&sof_pci_pm),
114	},
115};
116module_pci_driver(snd_sof_pci_amd_acp70_driver);
117
118MODULE_LICENSE("Dual BSD/GPL");
119MODULE_DESCRIPTION("ACP70 SOF Driver");
120MODULE_IMPORT_NS("SND_SOC_SOF_AMD_COMMON");
121MODULE_IMPORT_NS("SND_SOC_SOF_PCI_DEV");