100 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			100 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
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| //
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| // This file is provided under a dual BSD/GPLv2 license. When using or
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| // redistributing this file, you may do so under either license.
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| //
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| // Copyright(c) 2022 Advanced Micro Devices, Inc. All rights reserved.
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| //
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| // Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
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| 
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| /*.
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|  * PCI interface for Rembrandt ACP device
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|  */
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| 
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| #include <linux/module.h>
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| #include <linux/pci.h>
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| #include <linux/platform_device.h>
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| #include <sound/sof.h>
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| #include <sound/soc-acpi.h>
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| 
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| #include "../ops.h"
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| #include "../sof-pci-dev.h"
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| #include "../../amd/mach-config.h"
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| #include "acp.h"
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| #include "acp-dsp-offset.h"
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| 
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| #define ACP6x_REG_START		0x1240000
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| #define ACP6x_REG_END		0x125C000
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| 
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| static const struct sof_amd_acp_desc rembrandt_chip_info = {
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| 	.rev		= 6,
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| 	.host_bridge_id = HOST_BRIDGE_RMB,
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| 	.pgfsm_base	= ACP6X_PGFSM_BASE,
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| 	.ext_intr_stat	= ACP6X_EXT_INTR_STAT,
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| 	.dsp_intr_base	= ACP6X_DSP_SW_INTR_BASE,
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| 	.sram_pte_offset = ACP6X_SRAM_PTE_OFFSET,
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| 	.hw_semaphore_offset = ACP6X_AXI2DAGB_SEM_0,
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| 	.fusion_dsp_offset = ACP6X_DSP_FUSION_RUNSTALL,
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| };
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| 
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| static const struct sof_dev_desc rembrandt_desc = {
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| 	.machines		= snd_soc_acpi_amd_rmb_sof_machines,
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| 	.resindex_lpe_base	= 0,
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| 	.resindex_pcicfg_base	= -1,
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| 	.resindex_imr_base	= -1,
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| 	.irqindex_host_ipc	= -1,
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| 	.chip_info		= &rembrandt_chip_info,
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| 	.ipc_supported_mask     = BIT(SOF_IPC),
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| 	.ipc_default            = SOF_IPC,
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| 	.default_fw_path	= {
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| 		[SOF_IPC] = "amd/sof",
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| 	},
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| 	.default_tplg_path	= {
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| 		[SOF_IPC] = "amd/sof-tplg",
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| 	},
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| 	.default_fw_filename	= {
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| 		[SOF_IPC] = "sof-rmb.ri",
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| 	},
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| 	.nocodec_tplg_filename	= "sof-acp.tplg",
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| 	.ops			= &sof_rembrandt_ops,
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| 	.ops_init		= sof_rembrandt_ops_init,
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| };
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| 
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| static int acp_pci_rmb_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
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| {
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| 	unsigned int flag;
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| 
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| 	if (pci->revision != ACP_RMB_PCI_ID)
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| 		return -ENODEV;
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| 
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| 	flag = snd_amd_acp_find_config(pci);
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| 	if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
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| 		return -ENODEV;
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| 
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| 	return sof_pci_probe(pci, pci_id);
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| };
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| 
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| static void acp_pci_rmb_remove(struct pci_dev *pci)
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| {
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| 	sof_pci_remove(pci);
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| }
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| 
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| /* PCI IDs */
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| static const struct pci_device_id rmb_pci_ids[] = {
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| 		{ PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
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| 		.driver_data = (unsigned long)&rembrandt_desc},
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| 		{ 0, }
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| };
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| MODULE_DEVICE_TABLE(pci, rmb_pci_ids);
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| 
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| /* pci_driver definition */
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| static struct pci_driver snd_sof_pci_amd_rmb_driver = {
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| 	.name = KBUILD_MODNAME,
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| 	.id_table = rmb_pci_ids,
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| 	.probe = acp_pci_rmb_probe,
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| 	.remove = acp_pci_rmb_remove,
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| };
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| module_pci_driver(snd_sof_pci_amd_rmb_driver);
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| 
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| MODULE_LICENSE("Dual BSD/GPL");
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