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) 2024 Advanced Micro Devices, Inc. All rights reserved.
7 //
8 // Authors: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
9
10 /*.
11 * PCI interface for ACP7.0 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 ACP70_FUTURE_REG_ACLK_0 0x1854
27 #define ACP70_REG_START 0x1240000
28 #define ACP70_REG_END 0x125C000
29
30 static const struct sof_amd_acp_desc acp70_chip_info = {
31 .host_bridge_id = HOST_BRIDGE_ACP70,
32 .pgfsm_base = ACP70_PGFSM_BASE,
33 .ext_intr_enb = ACP70_EXTERNAL_INTR_ENB,
34 .ext_intr_cntl = ACP70_EXTERNAL_INTR_CNTL,
35 .ext_intr_stat = ACP70_EXT_INTR_STAT,
36 .ext_intr_stat1 = ACP70_EXT_INTR_STAT1,
37 .dsp_intr_base = ACP70_DSP_SW_INTR_BASE,
38 .acp_sw0_i2s_err_reason = ACP7X_SW0_I2S_ERROR_REASON,
39 .sram_pte_offset = ACP70_SRAM_PTE_OFFSET,
40 .hw_semaphore_offset = ACP70_AXI2DAGB_SEM_0,
41 .fusion_dsp_offset = ACP70_DSP_FUSION_RUNSTALL,
42 .probe_reg_offset = ACP70_FUTURE_REG_ACLK_0,
43 .reg_start_addr = ACP70_REG_START,
44 .reg_end_addr = ACP70_REG_END,
45 };
46
47 static const struct sof_dev_desc acp70_desc = {
48 .machines = snd_soc_acpi_amd_acp70_sof_machines,
49 .resindex_lpe_base = 0,
50 .resindex_pcicfg_base = -1,
51 .resindex_imr_base = -1,
52 .irqindex_host_ipc = -1,
53 .chip_info = &acp70_chip_info,
54 .ipc_supported_mask = BIT(SOF_IPC_TYPE_3),
55 .ipc_default = SOF_IPC_TYPE_3,
56 .default_fw_path = {
57 [SOF_IPC_TYPE_3] = "amd/sof",
58 },
59 .default_tplg_path = {
60 [SOF_IPC_TYPE_3] = "amd/sof-tplg",
61 },
62 .default_fw_filename = {
63 [SOF_IPC_TYPE_3] = "sof-acp_7_0.ri",
64 },
65 .nocodec_tplg_filename = "sof-acp.tplg",
66 .ops = &sof_acp70_ops,
67 .ops_init = sof_acp70_ops_init,
68 };
69
acp70_pci_probe(struct pci_dev * pci,const struct pci_device_id * pci_id)70 static int acp70_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
71 {
72 unsigned int flag;
73
74 if (pci->revision != ACP70_PCI_ID)
75 return -ENODEV;
76
77 flag = snd_amd_acp_find_config(pci);
78 if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
79 return -ENODEV;
80
81 return sof_pci_probe(pci, pci_id);
82 };
83
acp70_pci_remove(struct pci_dev * pci)84 static void acp70_pci_remove(struct pci_dev *pci)
85 {
86 sof_pci_remove(pci);
87 }
88
89 /* PCI IDs */
90 static const struct pci_device_id acp70_pci_ids[] = {
91 { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
92 .driver_data = (unsigned long)&acp70_desc},
93 { 0, }
94 };
95 MODULE_DEVICE_TABLE(pci, acp70_pci_ids);
96
97 /* pci_driver definition */
98 static struct pci_driver snd_sof_pci_amd_acp70_driver = {
99 .name = KBUILD_MODNAME,
100 .id_table = acp70_pci_ids,
101 .probe = acp70_pci_probe,
102 .remove = acp70_pci_remove,
103 .driver = {
104 .pm = &sof_pci_pm,
105 },
106 };
107 module_pci_driver(snd_sof_pci_amd_acp70_driver);
108
109 MODULE_LICENSE("Dual BSD/GPL");
110 MODULE_DESCRIPTION("ACP70 SOF Driver");
111 MODULE_IMPORT_NS("SND_SOC_SOF_AMD_COMMON");
112 MODULE_IMPORT_NS("SND_SOC_SOF_PCI_DEV");
113