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) 2022 Advanced Micro Devices, Inc. All rights reserved.
7//
8// Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
9
10/*.
11 * PCI interface for Rembrandt 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 ACP6x_REG_START		0x1240000
27#define ACP6x_REG_END		0x125C000
28#define ACP6X_FUTURE_REG_ACLK_0	0x1854
29
30static const struct sof_amd_acp_desc rembrandt_chip_info = {
31	.rev		= 6,
32	.host_bridge_id = HOST_BRIDGE_RMB,
33	.pgfsm_base	= ACP6X_PGFSM_BASE,
34	.ext_intr_stat	= ACP6X_EXT_INTR_STAT,
35	.dsp_intr_base	= ACP6X_DSP_SW_INTR_BASE,
36	.sram_pte_offset = ACP6X_SRAM_PTE_OFFSET,
37	.hw_semaphore_offset = ACP6X_AXI2DAGB_SEM_0,
38	.fusion_dsp_offset = ACP6X_DSP_FUSION_RUNSTALL,
39	.probe_reg_offset = ACP6X_FUTURE_REG_ACLK_0,
40};
41
42static const struct sof_dev_desc rembrandt_desc = {
43	.machines		= snd_soc_acpi_amd_rmb_sof_machines,
44	.resindex_lpe_base	= 0,
45	.resindex_pcicfg_base	= -1,
46	.resindex_imr_base	= -1,
47	.irqindex_host_ipc	= -1,
48	.chip_info		= &rembrandt_chip_info,
49	.ipc_supported_mask     = BIT(SOF_IPC_TYPE_3),
50	.ipc_default            = SOF_IPC_TYPE_3,
51	.default_fw_path	= {
52		[SOF_IPC_TYPE_3] = "amd/sof",
53	},
54	.default_tplg_path	= {
55		[SOF_IPC_TYPE_3] = "amd/sof-tplg",
56	},
57	.default_fw_filename	= {
58		[SOF_IPC_TYPE_3] = "sof-rmb.ri",
59	},
60	.nocodec_tplg_filename	= "sof-acp.tplg",
61	.ops			= &sof_rembrandt_ops,
62	.ops_init		= sof_rembrandt_ops_init,
63};
64
65static int acp_pci_rmb_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
66{
67	unsigned int flag;
68
69	if (pci->revision != ACP_RMB_PCI_ID)
70		return -ENODEV;
71
72	flag = snd_amd_acp_find_config(pci);
73	if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
74		return -ENODEV;
75
76	return sof_pci_probe(pci, pci_id);
77};
78
79static void acp_pci_rmb_remove(struct pci_dev *pci)
80{
81	sof_pci_remove(pci);
82}
83
84/* PCI IDs */
85static const struct pci_device_id rmb_pci_ids[] = {
86		{ PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
87		.driver_data = (unsigned long)&rembrandt_desc},
88		{ 0, }
89};
90MODULE_DEVICE_TABLE(pci, rmb_pci_ids);
91
92/* pci_driver definition */
93static struct pci_driver snd_sof_pci_amd_rmb_driver = {
94	.name = KBUILD_MODNAME,
95	.id_table = rmb_pci_ids,
96	.probe = acp_pci_rmb_probe,
97	.remove = acp_pci_rmb_remove,
98};
99module_pci_driver(snd_sof_pci_amd_rmb_driver);
100
101MODULE_LICENSE("Dual BSD/GPL");
102MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON);
103MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);
104