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