pci-rn.c

  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
 30static const struct sof_amd_acp_desc renoir_chip_info = {
 31	.pgfsm_base	= ACP3X_PGFSM_BASE,
 32	.ext_intr_stat	= ACP3X_EXT_INTR_STAT,
 33	.dsp_intr_base	= ACP3X_DSP_SW_INTR_BASE,
 34	.acp_error_stat = ACP3X_ERROR_STATUS,
 35	.acp_sw0_i2s_err_reason = ACP3X_SW_I2S_ERROR_REASON,
 36	.sram_pte_offset = ACP3X_SRAM_PTE_OFFSET,
 37	.hw_semaphore_offset = ACP3X_AXI2DAGB_SEM_0,
 38	.acp_clkmux_sel	= ACP3X_CLKMUX_SEL,
 39	.probe_reg_offset = ACP3X_FUTURE_REG_ACLK_0,
 40};
 41
 42static const struct sof_dev_desc renoir_desc = {
 43	.machines		= snd_soc_acpi_amd_sof_machines,
 44	.use_acpi_target_states	= true,
 45	.resindex_lpe_base	= 0,
 46	.resindex_pcicfg_base	= -1,
 47	.resindex_imr_base	= -1,
 48	.irqindex_host_ipc	= -1,
 49	.chip_info		= &renoir_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-rn.ri",
 60	},
 61	.nocodec_tplg_filename	= "sof-acp.tplg",
 62	.ops			= &sof_renoir_ops,
 63	.ops_init		= sof_renoir_ops_init,
 64};
 65
 66static int acp_pci_rn_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 67{
 68	unsigned int flag;
 69
 70	if (pci->revision != ACP_RN_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
 80static void acp_pci_rn_remove(struct pci_dev *pci)
 81{
 82	return sof_pci_remove(pci);
 83}
 84
 85/* PCI IDs */
 86static const struct pci_device_id rn_pci_ids[] = {
 87	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
 88	.driver_data = (unsigned long)&renoir_desc},
 89	{ 0, }
 90};
 91MODULE_DEVICE_TABLE(pci, rn_pci_ids);
 92
 93/* pci_driver definition */
 94static struct pci_driver snd_sof_pci_amd_rn_driver = {
 95	.name = KBUILD_MODNAME,
 96	.id_table = rn_pci_ids,
 97	.probe = acp_pci_rn_probe,
 98	.remove = acp_pci_rn_remove,
 99	.driver = {
100		.pm = pm_ptr(&sof_pci_pm),
101	},
102};
103module_pci_driver(snd_sof_pci_amd_rn_driver);
104
105MODULE_LICENSE("Dual BSD/GPL");
106MODULE_DESCRIPTION("RENOIR SOF Driver");
107MODULE_IMPORT_NS("SND_SOC_SOF_AMD_COMMON");
108MODULE_IMPORT_NS("SND_SOC_SOF_PCI_DEV");