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) 2021 Advanced Micro Devices, Inc. All rights reserved.
7 //
8 // Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
9
10 /*
11 * PCI interface for Renoir 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 ACP3x_REG_START 0x1240000
27 #define ACP3x_REG_END 0x125C000
28 #define ACP3X_FUTURE_REG_ACLK_0 0x1860
29
30 static const struct sof_amd_acp_desc renoir_chip_info = {
31 .host_bridge_id = HOST_BRIDGE_CZN,
32 .pgfsm_base = ACP3X_PGFSM_BASE,
33 .ext_intr_stat = ACP3X_EXT_INTR_STAT,
34 .dsp_intr_base = ACP3X_DSP_SW_INTR_BASE,
35 .acp_error_stat = ACP3X_ERROR_STATUS,
36 .acp_sw0_i2s_err_reason = ACP3X_SW_I2S_ERROR_REASON,
37 .sram_pte_offset = ACP3X_SRAM_PTE_OFFSET,
38 .hw_semaphore_offset = ACP3X_AXI2DAGB_SEM_0,
39 .acp_clkmux_sel = ACP3X_CLKMUX_SEL,
40 .probe_reg_offset = ACP3X_FUTURE_REG_ACLK_0,
41 };
42
43 static const struct sof_dev_desc renoir_desc = {
44 .machines = snd_soc_acpi_amd_sof_machines,
45 .use_acpi_target_states = true,
46 .resindex_lpe_base = 0,
47 .resindex_pcicfg_base = -1,
48 .resindex_imr_base = -1,
49 .irqindex_host_ipc = -1,
50 .chip_info = &renoir_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-rn.ri",
61 },
62 .nocodec_tplg_filename = "sof-acp.tplg",
63 .ops = &sof_renoir_ops,
64 .ops_init = sof_renoir_ops_init,
65 };
66
acp_pci_rn_probe(struct pci_dev * pci,const struct pci_device_id * pci_id)67 static int acp_pci_rn_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
68 {
69 unsigned int flag;
70
71 if (pci->revision != ACP_RN_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
acp_pci_rn_remove(struct pci_dev * pci)81 static void acp_pci_rn_remove(struct pci_dev *pci)
82 {
83 return sof_pci_remove(pci);
84 }
85
86 /* PCI IDs */
87 static const struct pci_device_id rn_pci_ids[] = {
88 { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
89 .driver_data = (unsigned long)&renoir_desc},
90 { 0, }
91 };
92 MODULE_DEVICE_TABLE(pci, rn_pci_ids);
93
94 /* pci_driver definition */
95 static struct pci_driver snd_sof_pci_amd_rn_driver = {
96 .name = KBUILD_MODNAME,
97 .id_table = rn_pci_ids,
98 .probe = acp_pci_rn_probe,
99 .remove = acp_pci_rn_remove,
100 .driver = {
101 .pm = &sof_pci_pm,
102 },
103 };
104 module_pci_driver(snd_sof_pci_amd_rn_driver);
105
106 MODULE_LICENSE("Dual BSD/GPL");
107 MODULE_DESCRIPTION("RENOIR SOF Driver");
108 MODULE_IMPORT_NS("SND_SOC_SOF_AMD_COMMON");
109 MODULE_IMPORT_NS("SND_SOC_SOF_PCI_DEV");
110