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) 2021 Advanced Micro Devices, Inc. All rights reserved.
7//
8// Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
9
10/*
11 * PCI interface for Renoir 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 ACP3x_REG_START		0x1240000
27#define ACP3x_REG_END		0x125C000
28#define ACP3X_FUTURE_REG_ACLK_0	0x1860
29
30static const struct sof_amd_acp_desc renoir_chip_info = {
31	.rev		= 3,
32	.host_bridge_id = HOST_BRIDGE_CZN,
33	.pgfsm_base	= ACP3X_PGFSM_BASE,
34	.ext_intr_stat	= ACP3X_EXT_INTR_STAT,
35	.dsp_intr_base	= ACP3X_DSP_SW_INTR_BASE,
36	.sram_pte_offset = ACP3X_SRAM_PTE_OFFSET,
37	.hw_semaphore_offset = ACP3X_AXI2DAGB_SEM_0,
38	.acp_clkmux_sel	= ACP3X_CLKMUX_SEL,
39	.probe_reg_offset = ACP3X_FUTURE_REG_ACLK_0,
40};
41
42static const struct sof_dev_desc renoir_desc = {
43	.machines		= snd_soc_acpi_amd_sof_machines,
44	.use_acpi_target_states	= true,
45	.resindex_lpe_base	= 0,
46	.resindex_pcicfg_base	= -1,
47	.resindex_imr_base	= -1,
48	.irqindex_host_ipc	= -1,
49	.chip_info		= &renoir_chip_info,
50	.ipc_supported_mask	= BIT(SOF_IPC_TYPE_3),
51	.ipc_default		= SOF_IPC_TYPE_3,
52	.default_fw_path = {
53		[SOF_IPC_TYPE_3] = "amd/sof",
54	},
55	.default_tplg_path = {
56		[SOF_IPC_TYPE_3] = "amd/sof-tplg",
57	},
58	.default_fw_filename	= {
59		[SOF_IPC_TYPE_3] = "sof-rn.ri",
60	},
61	.nocodec_tplg_filename	= "sof-acp.tplg",
62	.ops			= &sof_renoir_ops,
63	.ops_init		= sof_renoir_ops_init,
64};
65
66static int acp_pci_rn_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
67{
68	unsigned int flag;
69
70	if (pci->revision != ACP_RN_PCI_ID)
71		return -ENODEV;
72
73	flag = snd_amd_acp_find_config(pci);
74	if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
75		return -ENODEV;
76
77	return sof_pci_probe(pci, pci_id);
78};
79
80static void acp_pci_rn_remove(struct pci_dev *pci)
81{
82	return sof_pci_remove(pci);
83}
84
85/* PCI IDs */
86static const struct pci_device_id rn_pci_ids[] = {
87	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
88	.driver_data = (unsigned long)&renoir_desc},
89	{ 0, }
90};
91MODULE_DEVICE_TABLE(pci, rn_pci_ids);
92
93/* pci_driver definition */
94static struct pci_driver snd_sof_pci_amd_rn_driver = {
95	.name = KBUILD_MODNAME,
96	.id_table = rn_pci_ids,
97	.probe = acp_pci_rn_probe,
98	.remove = acp_pci_rn_remove,
99	.driver = {
100		.pm = &sof_pci_pm,
101	},
102};
103module_pci_driver(snd_sof_pci_amd_rn_driver);
104
105MODULE_LICENSE("Dual BSD/GPL");
106MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON);
107MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);
108