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 .host_bridge_id = HOST_BRIDGE_ACP63,
32 .pgfsm_base = ACP6X_PGFSM_BASE,
33 .ext_intr_enb = ACP6X_EXTERNAL_INTR_ENB,
34 .ext_intr_cntl = ACP6X_EXTERNAL_INTR_CNTL,
35 .ext_intr_stat = ACP6X_EXT_INTR_STAT,
36 .ext_intr_stat1 = ACP6X_EXT_INTR_STAT1,
37 .acp_error_stat = ACP6X_ERROR_STATUS,
38 .acp_sw0_i2s_err_reason = ACP6X_SW0_I2S_ERROR_REASON,
39 .dsp_intr_base = ACP6X_DSP_SW_INTR_BASE,
40 .sram_pte_offset = ACP6X_SRAM_PTE_OFFSET,
41 .hw_semaphore_offset = ACP6X_AXI2DAGB_SEM_0,
42 .fusion_dsp_offset = ACP6X_DSP_FUSION_RUNSTALL,
43 .probe_reg_offset = ACP6X_FUTURE_REG_ACLK_0,
44 .sdw_max_link_count = ACP6X_SDW_MAX_MANAGER_COUNT,
45 .sdw_acpi_dev_addr = SDW_ACPI_ADDR_ACP63,
46 .reg_start_addr = ACP6x_REG_START,
47 .reg_end_addr = ACP6x_REG_END,
48 };
49
50 static const struct sof_dev_desc acp63_desc = {
51 .machines = snd_soc_acpi_amd_acp63_sof_machines,
52 .alt_machines = snd_soc_acpi_amd_acp63_sof_sdw_machines,
53 .resindex_lpe_base = 0,
54 .resindex_pcicfg_base = -1,
55 .resindex_imr_base = -1,
56 .irqindex_host_ipc = -1,
57 .chip_info = &acp63_chip_info,
58 .ipc_supported_mask = BIT(SOF_IPC_TYPE_3),
59 .ipc_default = SOF_IPC_TYPE_3,
60 .default_fw_path = {
61 [SOF_IPC_TYPE_3] = "amd/sof",
62 },
63 .default_tplg_path = {
64 [SOF_IPC_TYPE_3] = "amd/sof-tplg",
65 },
66 .default_fw_filename = {
67 [SOF_IPC_TYPE_3] = "sof-acp_6_3.ri",
68 },
69 .nocodec_tplg_filename = "sof-acp.tplg",
70 .ops = &sof_acp63_ops,
71 .ops_init = sof_acp63_ops_init,
72 };
73
74 static int acp63_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
75 {
76 unsigned int flag;
77
78 if (pci->revision != ACP63_PCI_ID)
79 return -ENODEV;
80
81 flag = snd_amd_acp_find_config(pci);
82 if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
83 return -ENODEV;
84
85 return sof_pci_probe(pci, pci_id);
86 };
87
88 static void acp63_pci_remove(struct pci_dev *pci)
89 {
90 sof_pci_remove(pci);
91 }
92
93 /* PCI IDs */
94 static const struct pci_device_id acp63_pci_ids[] = {
95 { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
96 .driver_data = (unsigned long)&acp63_desc},
97 { 0, }
98 };
99 MODULE_DEVICE_TABLE(pci, acp63_pci_ids);
100
101 /* pci_driver definition */
102 static struct pci_driver snd_sof_pci_amd_acp63_driver = {
103 .name = KBUILD_MODNAME,
104 .id_table = acp63_pci_ids,
105 .probe = acp63_pci_probe,
106 .remove = acp63_pci_remove,
107 .driver = {
108 .pm = &sof_pci_pm,
109 },
110 };
111 module_pci_driver(snd_sof_pci_amd_acp63_driver);
112
113 MODULE_LICENSE("Dual BSD/GPL");
114 MODULE_DESCRIPTION("ACP63 SOF Driver");
115 MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON);
116 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);
117
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