pci-acp63.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: 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
 30static const struct sof_amd_acp_desc acp63_chip_info = {
 31	.pgfsm_base	= ACP6X_PGFSM_BASE,
 32	.ext_intr_enb = ACP6X_EXTERNAL_INTR_ENB,
 33	.ext_intr_cntl = ACP6X_EXTERNAL_INTR_CNTL,
 34	.ext_intr_stat	= ACP6X_EXT_INTR_STAT,
 35	.ext_intr_stat1	= ACP6X_EXT_INTR_STAT1,
 36	.acp_error_stat = ACP6X_ERROR_STATUS,
 37	.acp_sw0_i2s_err_reason = ACP6X_SW0_I2S_ERROR_REASON,
 38	.dsp_intr_base	= ACP6X_DSP_SW_INTR_BASE,
 39	.sram_pte_offset = ACP6X_SRAM_PTE_OFFSET,
 40	.hw_semaphore_offset = ACP6X_AXI2DAGB_SEM_0,
 41	.fusion_dsp_offset = ACP6X_DSP_FUSION_RUNSTALL,
 42	.probe_reg_offset = ACP6X_FUTURE_REG_ACLK_0,
 43	.sdw_max_link_count = ACP6X_SDW_MAX_MANAGER_COUNT,
 44	.sdw_acpi_dev_addr = SDW_ACPI_ADDR_ACP63,
 45	.reg_start_addr = ACP6x_REG_START,
 46	.reg_end_addr = ACP6x_REG_END,
 47};
 48
 49static const struct sof_dev_desc acp63_desc = {
 50	.machines		= snd_soc_acpi_amd_acp63_sof_machines,
 51	.alt_machines           = snd_soc_acpi_amd_acp63_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		= &acp63_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_6_3.ri",
 67	},
 68	.nocodec_tplg_filename	= "sof-acp.tplg",
 69	.ops			= &sof_acp63_ops,
 70	.ops_init		= sof_acp63_ops_init,
 71};
 72
 73static int acp63_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 74{
 75	unsigned int flag;
 76
 77	if (pci->revision != ACP63_PCI_ID)
 78		return -ENODEV;
 79
 80	flag = snd_amd_acp_find_config(pci);
 81	if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
 82		return -ENODEV;
 83
 84	return sof_pci_probe(pci, pci_id);
 85};
 86
 87static void acp63_pci_remove(struct pci_dev *pci)
 88{
 89	sof_pci_remove(pci);
 90}
 91
 92/* PCI IDs */
 93static const struct pci_device_id acp63_pci_ids[] = {
 94	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
 95	.driver_data = (unsigned long)&acp63_desc},
 96	{ 0, }
 97};
 98MODULE_DEVICE_TABLE(pci, acp63_pci_ids);
 99
100/* pci_driver definition */
101static struct pci_driver snd_sof_pci_amd_acp63_driver = {
102	.name = KBUILD_MODNAME,
103	.id_table = acp63_pci_ids,
104	.probe = acp63_pci_probe,
105	.remove = acp63_pci_remove,
106	.driver = {
107		.pm = pm_ptr(&sof_pci_pm),
108	},
109};
110module_pci_driver(snd_sof_pci_amd_acp63_driver);
111
112MODULE_LICENSE("Dual BSD/GPL");
113MODULE_DESCRIPTION("ACP63 SOF Driver");
114MODULE_IMPORT_NS("SND_SOC_SOF_AMD_COMMON");
115MODULE_IMPORT_NS("SND_SOC_SOF_PCI_DEV");