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	.rev		= 6,
32	.host_bridge_id = HOST_BRIDGE_ACP63,
33	.pgfsm_base	= ACP6X_PGFSM_BASE,
34	.ext_intr_enb = ACP6X_EXTERNAL_INTR_ENB,
35	.ext_intr_cntl = ACP6X_EXTERNAL_INTR_CNTL,
36	.ext_intr_stat	= ACP6X_EXT_INTR_STAT,
37	.ext_intr_stat1	= ACP6X_EXT_INTR_STAT1,
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	.resindex_lpe_base	= 0,
52	.resindex_pcicfg_base	= -1,
53	.resindex_imr_base	= -1,
54	.irqindex_host_ipc	= -1,
55	.chip_info		= &acp63_chip_info,
56	.ipc_supported_mask     = BIT(SOF_IPC_TYPE_3),
57	.ipc_default            = SOF_IPC_TYPE_3,
58	.default_fw_path	= {
59		[SOF_IPC_TYPE_3] = "amd/sof",
60	},
61	.default_tplg_path	= {
62		[SOF_IPC_TYPE_3] = "amd/sof-tplg",
63	},
64	.default_fw_filename	= {
65		[SOF_IPC_TYPE_3] = "sof-acp_6_3.ri",
66	},
67	.nocodec_tplg_filename	= "sof-acp.tplg",
68	.ops			= &sof_acp63_ops,
69	.ops_init		= sof_acp63_ops_init,
70};
71
72static int acp63_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
73{
74	unsigned int flag;
75
76	if (pci->revision != ACP63_PCI_ID)
77		return -ENODEV;
78
79	flag = snd_amd_acp_find_config(pci);
80	if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
81		return -ENODEV;
82
83	return sof_pci_probe(pci, pci_id);
84};
85
86static void acp63_pci_remove(struct pci_dev *pci)
87{
88	sof_pci_remove(pci);
89}
90
91/* PCI IDs */
92static const struct pci_device_id acp63_pci_ids[] = {
93	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
94	.driver_data = (unsigned long)&acp63_desc},
95	{ 0, }
96};
97MODULE_DEVICE_TABLE(pci, acp63_pci_ids);
98
99/* pci_driver definition */
100static struct pci_driver snd_sof_pci_amd_acp63_driver = {
101	.name = KBUILD_MODNAME,
102	.id_table = acp63_pci_ids,
103	.probe = acp63_pci_probe,
104	.remove = acp63_pci_remove,
105	.driver = {
106		.pm = &sof_pci_pm,
107	},
108};
109module_pci_driver(snd_sof_pci_amd_acp63_driver);
110
111MODULE_LICENSE("Dual BSD/GPL");
112MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON);
113MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);
114