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// 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) 2022 Advanced Micro Devices, Inc. All rights reserved.
//
// Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
/*.
* PCI interface for Rembrandt 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 ACP6x_REG_START 0x1240000
# define ACP6x_REG_END 0x125C000
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# define ACP6X_FUTURE_REG_ACLK_0 0x1854
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static const struct sof_amd_acp_desc rembrandt_chip_info = {
. rev = 6 ,
. host_bridge_id = HOST_BRIDGE_RMB ,
. pgfsm_base = ACP6X_PGFSM_BASE ,
. ext_intr_stat = ACP6X_EXT_INTR_STAT ,
. dsp_intr_base = ACP6X_DSP_SW_INTR_BASE ,
. sram_pte_offset = ACP6X_SRAM_PTE_OFFSET ,
. hw_semaphore_offset = ACP6X_AXI2DAGB_SEM_0 ,
. acp_clkmux_sel = ACP6X_CLKMUX_SEL ,
. fusion_dsp_offset = ACP6X_DSP_FUSION_RUNSTALL ,
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. probe_reg_offset = ACP6X_FUTURE_REG_ACLK_0 ,
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} ;
static const struct sof_dev_desc rembrandt_desc = {
. machines = snd_soc_acpi_amd_rmb_sof_machines ,
. resindex_lpe_base = 0 ,
. resindex_pcicfg_base = - 1 ,
. resindex_imr_base = - 1 ,
. irqindex_host_ipc = - 1 ,
. chip_info = & rembrandt_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-rmb.ri " ,
} ,
. nocodec_tplg_filename = " sof-acp.tplg " ,
. ops = & sof_rembrandt_ops ,
. ops_init = sof_rembrandt_ops_init ,
} ;
static int acp_pci_rmb_probe ( struct pci_dev * pci , const struct pci_device_id * pci_id )
{
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unsigned int flag ;
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if ( pci - > revision ! = ACP_RMB_PCI_ID )
return - ENODEV ;
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flag = snd_amd_acp_find_config ( pci ) ;
if ( flag ! = FLAG_AMD_SOF & & flag ! = FLAG_AMD_SOF_ONLY_DMIC )
return - ENODEV ;
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return sof_pci_probe ( pci , pci_id ) ;
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} ;
static void acp_pci_rmb_remove ( struct pci_dev * pci )
{
sof_pci_remove ( pci ) ;
}
/* PCI IDs */
static const struct pci_device_id rmb_pci_ids [ ] = {
{ PCI_DEVICE ( PCI_VENDOR_ID_AMD , ACP_PCI_DEV_ID ) ,
. driver_data = ( unsigned long ) & rembrandt_desc } ,
{ 0 , }
} ;
MODULE_DEVICE_TABLE ( pci , rmb_pci_ids ) ;
/* pci_driver definition */
static struct pci_driver snd_sof_pci_amd_rmb_driver = {
. name = KBUILD_MODNAME ,
. id_table = rmb_pci_ids ,
. probe = acp_pci_rmb_probe ,
. remove = acp_pci_rmb_remove ,
} ;
module_pci_driver ( snd_sof_pci_amd_rmb_driver ) ;
MODULE_LICENSE ( " Dual BSD/GPL " ) ;
MODULE_IMPORT_NS ( SND_SOC_SOF_AMD_COMMON ) ;
MODULE_IMPORT_NS ( SND_SOC_SOF_PCI_DEV ) ;