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Diffstat (limited to '')
-rw-r--r-- | sound/soc/sof/amd/pci-rn.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/sound/soc/sof/amd/pci-rn.c b/sound/soc/sof/amd/pci-rn.c new file mode 100644 index 0000000000..c72d5d8aff --- /dev/null +++ b/sound/soc/sof/amd/pci-rn.c @@ -0,0 +1,107 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +// +// This file is provided under a dual BSD/GPLv2 license. When using or +// redistributing this file, you may do so under either license. +// +// Copyright(c) 2021 Advanced Micro Devices, Inc. All rights reserved. +// +// Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com> + +/* + * PCI interface for Renoir ACP device + */ + +#include <linux/module.h> +#include <linux/pci.h> +#include <linux/platform_device.h> +#include <sound/sof.h> +#include <sound/soc-acpi.h> + +#include "../ops.h" +#include "../sof-pci-dev.h" +#include "../../amd/mach-config.h" +#include "acp.h" +#include "acp-dsp-offset.h" + +#define ACP3x_REG_START 0x1240000 +#define ACP3x_REG_END 0x125C000 +#define ACP3X_FUTURE_REG_ACLK_0 0x1860 + +static const struct sof_amd_acp_desc renoir_chip_info = { + .rev = 3, + .host_bridge_id = HOST_BRIDGE_CZN, + .pgfsm_base = ACP3X_PGFSM_BASE, + .ext_intr_stat = ACP3X_EXT_INTR_STAT, + .dsp_intr_base = ACP3X_DSP_SW_INTR_BASE, + .sram_pte_offset = ACP3X_SRAM_PTE_OFFSET, + .hw_semaphore_offset = ACP3X_AXI2DAGB_SEM_0, + .acp_clkmux_sel = ACP3X_CLKMUX_SEL, + .probe_reg_offset = ACP3X_FUTURE_REG_ACLK_0, +}; + +static const struct sof_dev_desc renoir_desc = { + .machines = snd_soc_acpi_amd_sof_machines, + .use_acpi_target_states = true, + .resindex_lpe_base = 0, + .resindex_pcicfg_base = -1, + .resindex_imr_base = -1, + .irqindex_host_ipc = -1, + .chip_info = &renoir_chip_info, + .ipc_supported_mask = BIT(SOF_IPC), + .ipc_default = SOF_IPC, + .default_fw_path = { + [SOF_IPC] = "amd/sof", + }, + .default_tplg_path = { + [SOF_IPC] = "amd/sof-tplg", + }, + .default_fw_filename = { + [SOF_IPC] = "sof-rn.ri", + }, + .nocodec_tplg_filename = "sof-acp.tplg", + .ops = &sof_renoir_ops, + .ops_init = sof_renoir_ops_init, +}; + +static int acp_pci_rn_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) +{ + unsigned int flag; + + if (pci->revision != ACP_RN_PCI_ID) + return -ENODEV; + + flag = snd_amd_acp_find_config(pci); + if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC) + return -ENODEV; + + return sof_pci_probe(pci, pci_id); +}; + +static void acp_pci_rn_remove(struct pci_dev *pci) +{ + return sof_pci_remove(pci); +} + +/* PCI IDs */ +static const struct pci_device_id rn_pci_ids[] = { + { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID), + .driver_data = (unsigned long)&renoir_desc}, + { 0, } +}; +MODULE_DEVICE_TABLE(pci, rn_pci_ids); + +/* pci_driver definition */ +static struct pci_driver snd_sof_pci_amd_rn_driver = { + .name = KBUILD_MODNAME, + .id_table = rn_pci_ids, + .probe = acp_pci_rn_probe, + .remove = acp_pci_rn_remove, + .driver = { + .pm = &sof_pci_pm, + }, +}; +module_pci_driver(snd_sof_pci_amd_rn_driver); + +MODULE_LICENSE("Dual BSD/GPL"); +MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON); +MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV); |