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) 2022 Advanced Micro Devices, Inc. All rights reserved.
7 //
8 // Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
9
10 /*.
11 * PCI interface for Rembrandt 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 ACP6x_REG_START 0x1240000
27 #define ACP6x_REG_END 0x125C000
28 #define ACP6X_FUTURE_REG_ACLK_0 0x1854
29
30 static const struct sof_amd_acp_desc rembrandt_chip_info = {
31 .rev = 6,
32 .host_bridge_id = HOST_BRIDGE_RMB,
33 .pgfsm_base = ACP6X_PGFSM_BASE,
34 .ext_intr_stat = ACP6X_EXT_INTR_STAT,
35 .dsp_intr_base = ACP6X_DSP_SW_INTR_BASE,
36 .acp_error_stat = ACP6X_ERROR_STATUS,
37 .acp_sw0_i2s_err_reason = ACP6X_SW0_I2S_ERROR_REASON,
38 .sram_pte_offset = ACP6X_SRAM_PTE_OFFSET,
39 .hw_semaphore_offset = ACP6X_AXI2DAGB_SEM_0,
40 .fusion_dsp_offset = ACP6X_DSP_FUSION_RUNSTALL,
41 .probe_reg_offset = ACP6X_FUTURE_REG_ACLK_0,
42 };
43
44 static const struct sof_dev_desc rembrandt_desc = {
45 .machines = snd_soc_acpi_amd_rmb_sof_machines,
46 .resindex_lpe_base = 0,
47 .resindex_pcicfg_base = -1,
48 .resindex_imr_base = -1,
49 .irqindex_host_ipc = -1,
50 .chip_info = &rembrandt_chip_info,
51 .ipc_supported_mask = BIT(SOF_IPC_TYPE_3),
52 .ipc_default = SOF_IPC_TYPE_3,
53 .default_fw_path = {
54 [SOF_IPC_TYPE_3] = "amd/sof",
55 },
56 .default_tplg_path = {
57 [SOF_IPC_TYPE_3] = "amd/sof-tplg",
58 },
59 .default_fw_filename = {
60 [SOF_IPC_TYPE_3] = "sof-rmb.ri",
61 },
62 .nocodec_tplg_filename = "sof-acp.tplg",
63 .ops = &sof_rembrandt_ops,
64 .ops_init = sof_rembrandt_ops_init,
65 };
66
67 static int acp_pci_rmb_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
68 {
69 unsigned int flag;
70
71 if (pci->revision != ACP_RMB_PCI_ID)
72 return -ENODEV;
73
74 flag = snd_amd_acp_find_config(pci);
75 if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
76 return -ENODEV;
77
78 return sof_pci_probe(pci, pci_id);
79 };
80
81 static void acp_pci_rmb_remove(struct pci_dev *pci)
82 {
83 sof_pci_remove(pci);
84 }
85
86 /* PCI IDs */
87 static const struct pci_device_id rmb_pci_ids[] = {
88 { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
89 .driver_data = (unsigned long)&rembrandt_desc},
90 { 0, }
91 };
92 MODULE_DEVICE_TABLE(pci, rmb_pci_ids);
93
94 /* pci_driver definition */
95 static struct pci_driver snd_sof_pci_amd_rmb_driver = {
96 .name = KBUILD_MODNAME,
97 .id_table = rmb_pci_ids,
98 .probe = acp_pci_rmb_probe,
99 .remove = acp_pci_rmb_remove,
100 };
101 module_pci_driver(snd_sof_pci_amd_rmb_driver);
102
103 MODULE_LICENSE("Dual BSD/GPL");
104 MODULE_DESCRIPTION("REMBRANDT SOF Driver");
105 MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON);
106 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);
107
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