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| 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: Venkata Prasad Potturu <venkataprasad.potturu@amd.com> |
| 9 | + |
| 10 | +/*. |
| 11 | + * PCI interface for Vangogh 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 ACP5X_FUTURE_REG_ACLK_0 0x1864 |
| 27 | + |
| 28 | +static const struct sof_amd_acp_desc vangogh_chip_info = { |
| 29 | + .rev = 5, |
| 30 | + .name = "vangogh", |
| 31 | + .host_bridge_id = HOST_BRIDGE_VGH, |
| 32 | + .pgfsm_base = ACP5X_PGFSM_BASE, |
| 33 | + .ext_intr_stat = ACP5X_EXT_INTR_STAT, |
| 34 | + .dsp_intr_base = ACP5X_DSP_SW_INTR_BASE, |
| 35 | + .sram_pte_offset = ACP5X_SRAM_PTE_OFFSET, |
| 36 | + .hw_semaphore_offset = ACP5X_AXI2DAGB_SEM_0, |
| 37 | + .acp_clkmux_sel = ACP5X_CLKMUX_SEL, |
| 38 | + .probe_reg_offset = ACP5X_FUTURE_REG_ACLK_0, |
| 39 | +}; |
| 40 | + |
| 41 | +static const struct sof_dev_desc vangogh_desc = { |
| 42 | + .machines = snd_soc_acpi_amd_vangogh_sof_machines, |
| 43 | + .resindex_lpe_base = 0, |
| 44 | + .resindex_pcicfg_base = -1, |
| 45 | + .resindex_imr_base = -1, |
| 46 | + .irqindex_host_ipc = -1, |
| 47 | + .chip_info = &vangogh_chip_info, |
| 48 | + .ipc_supported_mask = BIT(SOF_IPC), |
| 49 | + .ipc_default = SOF_IPC, |
| 50 | + .default_fw_path = { |
| 51 | + [SOF_IPC] = "amd/sof", |
| 52 | + }, |
| 53 | + .default_tplg_path = { |
| 54 | + [SOF_IPC] = "amd/sof-tplg", |
| 55 | + }, |
| 56 | + .default_fw_filename = { |
| 57 | + [SOF_IPC] = "sof-vangogh.ri", |
| 58 | + }, |
| 59 | + .nocodec_tplg_filename = "sof-acp.tplg", |
| 60 | + .ops = &sof_vangogh_ops, |
| 61 | + .ops_init = sof_vangogh_ops_init, |
| 62 | +}; |
| 63 | + |
| 64 | +static int acp_pci_vgh_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) |
| 65 | +{ |
| 66 | + unsigned int flag; |
| 67 | + |
| 68 | + if (pci->revision != ACP_VANGOGH_PCI_ID) |
| 69 | + return -ENODEV; |
| 70 | + |
| 71 | + flag = snd_amd_acp_find_config(pci); |
| 72 | + if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC) |
| 73 | + return -ENODEV; |
| 74 | + |
| 75 | + return sof_pci_probe(pci, pci_id); |
| 76 | +}; |
| 77 | + |
| 78 | +static void acp_pci_vgh_remove(struct pci_dev *pci) |
| 79 | +{ |
| 80 | + sof_pci_remove(pci); |
| 81 | +} |
| 82 | + |
| 83 | +/* PCI IDs */ |
| 84 | +static const struct pci_device_id vgh_pci_ids[] = { |
| 85 | + { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID), |
| 86 | + .driver_data = (unsigned long)&vangogh_desc}, |
| 87 | + { 0, } |
| 88 | +}; |
| 89 | +MODULE_DEVICE_TABLE(pci, vgh_pci_ids); |
| 90 | + |
| 91 | +/* pci_driver definition */ |
| 92 | +static struct pci_driver snd_sof_pci_amd_vgh_driver = { |
| 93 | + .name = KBUILD_MODNAME, |
| 94 | + .id_table = vgh_pci_ids, |
| 95 | + .probe = acp_pci_vgh_probe, |
| 96 | + .remove = acp_pci_vgh_remove, |
| 97 | + .driver = { |
| 98 | + .pm = &sof_pci_pm, |
| 99 | + }, |
| 100 | +}; |
| 101 | +module_pci_driver(snd_sof_pci_amd_vgh_driver); |
| 102 | + |
| 103 | +MODULE_LICENSE("Dual BSD/GPL"); |
| 104 | +MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON); |
| 105 | +MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV); |
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