xref: /linux/sound/soc/sof/amd/pci-acp63.c (revision 6d9b262afe0ec1d6e0ef99321ca9d6b921310471)
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 
30 static const struct sof_amd_acp_desc acp63_chip_info = {
31 	.rev		= 6,
32 	.host_bridge_id = HOST_BRIDGE_ACP63,
33 	.pgfsm_base	= ACP6X_PGFSM_BASE,
34 	.ext_intr_enb = ACP6X_EXTERNAL_INTR_ENB,
35 	.ext_intr_cntl = ACP6X_EXTERNAL_INTR_CNTL,
36 	.ext_intr_stat	= ACP6X_EXT_INTR_STAT,
37 	.ext_intr_stat1	= ACP6X_EXT_INTR_STAT1,
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 
49 static const struct sof_dev_desc acp63_desc = {
50 	.machines		= snd_soc_acpi_amd_acp63_sof_machines,
51 	.resindex_lpe_base	= 0,
52 	.resindex_pcicfg_base	= -1,
53 	.resindex_imr_base	= -1,
54 	.irqindex_host_ipc	= -1,
55 	.chip_info		= &acp63_chip_info,
56 	.ipc_supported_mask     = BIT(SOF_IPC_TYPE_3),
57 	.ipc_default            = SOF_IPC_TYPE_3,
58 	.default_fw_path	= {
59 		[SOF_IPC_TYPE_3] = "amd/sof",
60 	},
61 	.default_tplg_path	= {
62 		[SOF_IPC_TYPE_3] = "amd/sof-tplg",
63 	},
64 	.default_fw_filename	= {
65 		[SOF_IPC_TYPE_3] = "sof-acp_6_3.ri",
66 	},
67 	.nocodec_tplg_filename	= "sof-acp.tplg",
68 	.ops			= &sof_acp63_ops,
69 	.ops_init		= sof_acp63_ops_init,
70 };
71 
72 static int acp63_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
73 {
74 	unsigned int flag;
75 
76 	if (pci->revision != ACP63_PCI_ID)
77 		return -ENODEV;
78 
79 	flag = snd_amd_acp_find_config(pci);
80 	if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
81 		return -ENODEV;
82 
83 	return sof_pci_probe(pci, pci_id);
84 };
85 
86 static void acp63_pci_remove(struct pci_dev *pci)
87 {
88 	sof_pci_remove(pci);
89 }
90 
91 /* PCI IDs */
92 static const struct pci_device_id acp63_pci_ids[] = {
93 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
94 	.driver_data = (unsigned long)&acp63_desc},
95 	{ 0, }
96 };
97 MODULE_DEVICE_TABLE(pci, acp63_pci_ids);
98 
99 /* pci_driver definition */
100 static struct pci_driver snd_sof_pci_amd_acp63_driver = {
101 	.name = KBUILD_MODNAME,
102 	.id_table = acp63_pci_ids,
103 	.probe = acp63_pci_probe,
104 	.remove = acp63_pci_remove,
105 	.driver = {
106 		.pm = &sof_pci_pm,
107 	},
108 };
109 module_pci_driver(snd_sof_pci_amd_acp63_driver);
110 
111 MODULE_LICENSE("Dual BSD/GPL");
112 MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON);
113 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);
114