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