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");
116

source code of linux/sound/soc/sof/amd/pci-acp63.c