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Quellcode-Bibliothek pci-acp70.c

  Sprache: C
 

// 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) 2024 Advanced Micro Devices, Inc. All rights reserved.
//
// Authors: Vijendar Mukunda <Vijendar.Mukunda@amd.com>

/*.
 * PCI interface for ACP7.0 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 ACP70_FUTURE_REG_ACLK_0  0x1854
#define ACP70_REG_START   0x1240000
#define ACP70_REG_END   0x125C000

static const struct sof_amd_acp_desc acp70_chip_info = {
 .pgfsm_base = ACP70_PGFSM_BASE,
 .ext_intr_enb = ACP70_EXTERNAL_INTR_ENB,
 .ext_intr_cntl = ACP70_EXTERNAL_INTR_CNTL,
 .ext_intr_stat = ACP70_EXT_INTR_STAT,
 .ext_intr_stat1 = ACP70_EXT_INTR_STAT1,
 .acp_error_stat = ACP70_ERROR_STATUS,
 .dsp_intr_base = ACP70_DSP_SW_INTR_BASE,
 .acp_sw0_i2s_err_reason = ACP7X_SW0_I2S_ERROR_REASON,
 .sram_pte_offset = ACP70_SRAM_PTE_OFFSET,
 .hw_semaphore_offset = ACP70_AXI2DAGB_SEM_0,
 .fusion_dsp_offset = ACP70_DSP_FUSION_RUNSTALL,
 .probe_reg_offset = ACP70_FUTURE_REG_ACLK_0,
 .sdw_max_link_count = ACP70_SDW_MAX_MANAGER_COUNT,
 .sdw_acpi_dev_addr = SDW_ACPI_ADDR_ACP70,
 .reg_start_addr = ACP70_REG_START,
 .reg_end_addr = ACP70_REG_END,
};

static const struct sof_dev_desc acp70_desc = {
 .machines  = snd_soc_acpi_amd_acp70_sof_machines,
 .alt_machines           = snd_soc_acpi_amd_acp70_sof_sdw_machines,
 .resindex_lpe_base = 0,
 .resindex_pcicfg_base = -1,
 .resindex_imr_base = -1,
 .irqindex_host_ipc = -1,
 .chip_info  = &acp70_chip_info,
 .ipc_supported_mask     = BIT(SOF_IPC_TYPE_3),
 .ipc_default            = SOF_IPC_TYPE_3,
 .default_fw_path = {
  [SOF_IPC_TYPE_3] = "amd/sof",
 },
 .default_tplg_path = {
  [SOF_IPC_TYPE_3] = "amd/sof-tplg",
 },
 .default_fw_filename = {
  [SOF_IPC_TYPE_3] = "sof-acp_7_0.ri",
 },
 .nocodec_tplg_filename = "sof-acp.tplg",
 .ops   = &sof_acp70_ops,
 .ops_init  = sof_acp70_ops_init,
};

static int acp70_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
{
 unsigned int flag;

 switch (pci->revision) {
 case ACP70_PCI_ID:
 case ACP71_PCI_ID:
 case ACP72_PCI_ID:
   break;
 default:
  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 acp70_pci_remove(struct pci_dev *pci)
{
 sof_pci_remove(pci);
}

/* PCI IDs */
static const struct pci_device_id acp70_pci_ids[] = {
 { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
 .driver_data = (unsigned long)&acp70_desc},
 { 0, }
};
MODULE_DEVICE_TABLE(pci, acp70_pci_ids);

/* pci_driver definition */
static struct pci_driver snd_sof_pci_amd_acp70_driver = {
 .name = KBUILD_MODNAME,
 .id_table = acp70_pci_ids,
 .probe = acp70_pci_probe,
 .remove = acp70_pci_remove,
 .driver = {
  .pm = pm_ptr(&sof_pci_pm),
 },
};
module_pci_driver(snd_sof_pci_amd_acp70_driver);

MODULE_LICENSE("Dual BSD/GPL");
MODULE_DESCRIPTION("ACP70 SOF Driver");
MODULE_IMPORT_NS("SND_SOC_SOF_AMD_COMMON");
MODULE_IMPORT_NS("SND_SOC_SOF_PCI_DEV");

Messung V0.5 in Prozent
C=96 H=94 G=94

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