sound/soc/sof/amd/pci-vangogh.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) 2023 Advanced Micro Devices, Inc. All rights reserved.
   7 //
   8 // Authors: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
   9
  10 /*.
  11  * PCI interface for Vangogh 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 ACP5X_FUTURE_REG_ACLK_0 0x1864
  27
  28 static const struct sof_amd_acp_desc vangogh_chip_info = {
  29         .rev            = 5,
  30         .name           = "vangogh",
  31         .host_bridge_id = HOST_BRIDGE_VGH,
  32         .pgfsm_base     = ACP5X_PGFSM_BASE,
  33         .ext_intr_stat  = ACP5X_EXT_INTR_STAT,
  34         .dsp_intr_base  = ACP5X_DSP_SW_INTR_BASE,
  35         .sram_pte_offset = ACP5X_SRAM_PTE_OFFSET,
  36         .hw_semaphore_offset = ACP5X_AXI2DAGB_SEM_0,
  37         .acp_clkmux_sel = ACP5X_CLKMUX_SEL,
  38         .probe_reg_offset = ACP5X_FUTURE_REG_ACLK_0,
  39 };
  40
  41 static const struct sof_dev_desc vangogh_desc = {
  42         .machines               = snd_soc_acpi_amd_vangogh_sof_machines,
  43         .resindex_lpe_base      = 0,
  44         .resindex_pcicfg_base   = -1,
  45         .resindex_imr_base      = -1,
  46         .irqindex_host_ipc      = -1,
  47         .chip_info              = &vangogh_chip_info,
  48         .ipc_supported_mask     = BIT(SOF_IPC_TYPE_3),
  49         .ipc_default            = SOF_IPC_TYPE_3,
  50         .default_fw_path        = {
  51                 [SOF_IPC_TYPE_3] = "amd/sof",
  52         },
  53         .default_tplg_path      = {
  54                 [SOF_IPC_TYPE_3] = "amd/sof-tplg",
  55         },
  56         .default_fw_filename    = {
  57                 [SOF_IPC_TYPE_3] = "sof-vangogh.ri",
  58         },
  59         .nocodec_tplg_filename  = "sof-acp.tplg",
  60         .ops                    = &sof_vangogh_ops,
  61         .ops_init               = sof_vangogh_ops_init,
  62 };
  63
  64 static int acp_pci_vgh_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
  65 {
  66         unsigned int flag;
  67
  68         if (pci->revision != ACP_VANGOGH_PCI_ID)
  69                 return -ENODEV;
  70
  71         flag = snd_amd_acp_find_config(pci);
  72         if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
  73                 return -ENODEV;
  74
  75         return sof_pci_probe(pci, pci_id);
  76 };
  77
  78 static void acp_pci_vgh_remove(struct pci_dev *pci)
  79 {
  80         sof_pci_remove(pci);
  81 }
  82
  83 /* PCI IDs */
  84 static const struct pci_device_id vgh_pci_ids[] = {
  85         { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
  86         .driver_data = (unsigned long)&vangogh_desc},
  87         { 0, }
  88 };
  89 MODULE_DEVICE_TABLE(pci, vgh_pci_ids);
  90
  91 /* pci_driver definition */
  92 static struct pci_driver snd_sof_pci_amd_vgh_driver = {
  93         .name = KBUILD_MODNAME,
  94         .id_table = vgh_pci_ids,
  95         .probe = acp_pci_vgh_probe,
  96         .remove = acp_pci_vgh_remove,
  97         .driver = {
  98                 .pm = &sof_pci_pm,
  99         },
 100 };
 101 module_pci_driver(snd_sof_pci_amd_vgh_driver);
 102
 103 MODULE_LICENSE("Dual BSD/GPL");
 104 MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON);
 105 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);