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 <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 ACP5X_FUTURE_REG_ACLK_0 0x1864
27
28static const struct sof_amd_acp_desc vangogh_chip_info = {
29	.rev		= 5,
30	.name		= "vangogh",
31	.host_bridge_id = HOST_BRIDGE_VGH,
32	.pgfsm_base	= ACP5X_PGFSM_BASE,
33	.ext_intr_stat	= ACP5X_EXT_INTR_STAT,
34	.dsp_intr_base	= ACP5X_DSP_SW_INTR_BASE,
35	.sram_pte_offset = ACP5X_SRAM_PTE_OFFSET,
36	.hw_semaphore_offset = ACP5X_AXI2DAGB_SEM_0,
37	.acp_clkmux_sel = ACP5X_CLKMUX_SEL,
38	.probe_reg_offset = ACP5X_FUTURE_REG_ACLK_0,
39};
40
41static const struct sof_dev_desc vangogh_desc = {
42	.machines		= snd_soc_acpi_amd_vangogh_sof_machines,
43	.resindex_lpe_base	= 0,
44	.resindex_pcicfg_base	= -1,
45	.resindex_imr_base	= -1,
46	.irqindex_host_ipc	= -1,
47	.chip_info		= &vangogh_chip_info,
48	.ipc_supported_mask     = BIT(SOF_IPC_TYPE_3),
49	.ipc_default            = SOF_IPC_TYPE_3,
50	.default_fw_path	= {
51		[SOF_IPC_TYPE_3] = "amd/sof",
52	},
53	.default_tplg_path	= {
54		[SOF_IPC_TYPE_3] = "amd/sof-tplg",
55	},
56	.default_fw_filename	= {
57		[SOF_IPC_TYPE_3] = "sof-vangogh.ri",
58	},
59	.nocodec_tplg_filename	= "sof-acp.tplg",
60	.ops			= &sof_vangogh_ops,
61	.ops_init		= sof_vangogh_ops_init,
62};
63
64static int acp_pci_vgh_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
65{
66	unsigned int flag;
67
68	if (pci->revision != ACP_VANGOGH_PCI_ID)
69		return -ENODEV;
70
71	flag = snd_amd_acp_find_config(pci);
72	if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
73		return -ENODEV;
74
75	return sof_pci_probe(pci, pci_id);
76};
77
78static void acp_pci_vgh_remove(struct pci_dev *pci)
79{
80	sof_pci_remove(pci);
81}
82
83/* PCI IDs */
84static const struct pci_device_id vgh_pci_ids[] = {
85	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
86	.driver_data = (unsigned long)&vangogh_desc},
87	{ 0, }
88};
89MODULE_DEVICE_TABLE(pci, vgh_pci_ids);
90
91/* pci_driver definition */
92static struct pci_driver snd_sof_pci_amd_vgh_driver = {
93	.name = KBUILD_MODNAME,
94	.id_table = vgh_pci_ids,
95	.probe = acp_pci_vgh_probe,
96	.remove = acp_pci_vgh_remove,
97	.driver = {
98		.pm = &sof_pci_pm,
99	},
100};
101module_pci_driver(snd_sof_pci_amd_vgh_driver);
102
103MODULE_LICENSE("Dual BSD/GPL");
104MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON);
105MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);
106