sound/soc/sof/amd/pci-acp63.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: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
   9
  10 /*.
  11  * PCI interface for ACP6.3 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 ACP6X_FUTURE_REG_ACLK_0         0x1854
  27 #define ACP6x_REG_START                 0x1240000
  28 #define ACP6x_REG_END                   0x125C000
  29
  30 static const struct sof_amd_acp_desc acp63_chip_info = {
  31         .host_bridge_id = HOST_BRIDGE_ACP63,
  32         .pgfsm_base     = ACP6X_PGFSM_BASE,
  33         .ext_intr_enb = ACP6X_EXTERNAL_INTR_ENB,
  34         .ext_intr_cntl = ACP6X_EXTERNAL_INTR_CNTL,
  35         .ext_intr_stat  = ACP6X_EXT_INTR_STAT,
  36         .ext_intr_stat1 = ACP6X_EXT_INTR_STAT1,
  37         .acp_error_stat = ACP6X_ERROR_STATUS,
  38         .acp_sw0_i2s_err_reason = ACP6X_SW0_I2S_ERROR_REASON,
  39         .dsp_intr_base  = ACP6X_DSP_SW_INTR_BASE,
  40         .sram_pte_offset = ACP6X_SRAM_PTE_OFFSET,
  41         .hw_semaphore_offset = ACP6X_AXI2DAGB_SEM_0,
  42         .fusion_dsp_offset = ACP6X_DSP_FUSION_RUNSTALL,
  43         .probe_reg_offset = ACP6X_FUTURE_REG_ACLK_0,
  44         .sdw_max_link_count = ACP6X_SDW_MAX_MANAGER_COUNT,
  45         .sdw_acpi_dev_addr = SDW_ACPI_ADDR_ACP63,
  46         .reg_start_addr = ACP6x_REG_START,
  47         .reg_end_addr = ACP6x_REG_END,
  48 };
  49
  50 static const struct sof_dev_desc acp63_desc = {
  51         .machines               = snd_soc_acpi_amd_acp63_sof_machines,
  52         .alt_machines           = snd_soc_acpi_amd_acp63_sof_sdw_machines,
  53         .resindex_lpe_base      = 0,
  54         .resindex_pcicfg_base   = -1,
  55         .resindex_imr_base      = -1,
  56         .irqindex_host_ipc      = -1,
  57         .chip_info              = &acp63_chip_info,
  58         .ipc_supported_mask     = BIT(SOF_IPC_TYPE_3),
  59         .ipc_default            = SOF_IPC_TYPE_3,
  60         .default_fw_path        = {
  61                 [SOF_IPC_TYPE_3] = "amd/sof",
  62         },
  63         .default_tplg_path      = {
  64                 [SOF_IPC_TYPE_3] = "amd/sof-tplg",
  65         },
  66         .default_fw_filename    = {
  67                 [SOF_IPC_TYPE_3] = "sof-acp_6_3.ri",
  68         },
  69         .nocodec_tplg_filename  = "sof-acp.tplg",
  70         .ops                    = &sof_acp63_ops,
  71         .ops_init               = sof_acp63_ops_init,
  72 };
  73
  74 static int acp63_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
  75 {
  76         unsigned int flag;
  77
  78         if (pci->revision != ACP63_PCI_ID)
  79                 return -ENODEV;
  80
  81         flag = snd_amd_acp_find_config(pci);
  82         if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
  83                 return -ENODEV;
  84
  85         return sof_pci_probe(pci, pci_id);
  86 };
  87
  88 static void acp63_pci_remove(struct pci_dev *pci)
  89 {
  90         sof_pci_remove(pci);
  91 }
  92
  93 /* PCI IDs */
  94 static const struct pci_device_id acp63_pci_ids[] = {
  95         { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
  96         .driver_data = (unsigned long)&acp63_desc},
  97         { 0, }
  98 };
  99 MODULE_DEVICE_TABLE(pci, acp63_pci_ids);
 100
 101 /* pci_driver definition */
 102 static struct pci_driver snd_sof_pci_amd_acp63_driver = {
 103         .name = KBUILD_MODNAME,
 104         .id_table = acp63_pci_ids,
 105         .probe = acp63_pci_probe,
 106         .remove = acp63_pci_remove,
 107         .driver = {
 108                 .pm = &sof_pci_pm,
 109         },
 110 };
 111 module_pci_driver(snd_sof_pci_amd_acp63_driver);
 112
 113 MODULE_LICENSE("Dual BSD/GPL");
 114 MODULE_DESCRIPTION("ACP63 SOF Driver");
 115 MODULE_IMPORT_NS("SND_SOC_SOF_AMD_COMMON");
 116 MODULE_IMPORT_NS("SND_SOC_SOF_PCI_DEV");