sound/soc/sof/amd/pci-acp70.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) 2024 Advanced Micro Devices, Inc. All rights reserved.
   7 //
   8 // Authors: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
   9
  10 /*.
  11  * PCI interface for ACP7.0 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 ACP70_FUTURE_REG_ACLK_0         0x1854
  27 #define ACP70_REG_START                 0x1240000
  28 #define ACP70_REG_END                   0x125C000
  29
  30 static const struct sof_amd_acp_desc acp70_chip_info = {
  31         .host_bridge_id = HOST_BRIDGE_ACP70,
  32         .pgfsm_base     = ACP70_PGFSM_BASE,
  33         .ext_intr_enb = ACP70_EXTERNAL_INTR_ENB,
  34         .ext_intr_cntl = ACP70_EXTERNAL_INTR_CNTL,
  35         .ext_intr_stat  = ACP70_EXT_INTR_STAT,
  36         .ext_intr_stat1 = ACP70_EXT_INTR_STAT1,
  37         .dsp_intr_base  = ACP70_DSP_SW_INTR_BASE,
  38         .acp_sw0_i2s_err_reason = ACP7X_SW0_I2S_ERROR_REASON,
  39         .sram_pte_offset = ACP70_SRAM_PTE_OFFSET,
  40         .hw_semaphore_offset = ACP70_AXI2DAGB_SEM_0,
  41         .fusion_dsp_offset = ACP70_DSP_FUSION_RUNSTALL,
  42         .probe_reg_offset = ACP70_FUTURE_REG_ACLK_0,
  43         .reg_start_addr = ACP70_REG_START,
  44         .reg_end_addr = ACP70_REG_END,
  45 };
  46
  47 static const struct sof_dev_desc acp70_desc = {
  48         .machines               = snd_soc_acpi_amd_acp70_sof_machines,
  49         .resindex_lpe_base      = 0,
  50         .resindex_pcicfg_base   = -1,
  51         .resindex_imr_base      = -1,
  52         .irqindex_host_ipc      = -1,
  53         .chip_info              = &acp70_chip_info,
  54         .ipc_supported_mask     = BIT(SOF_IPC_TYPE_3),
  55         .ipc_default            = SOF_IPC_TYPE_3,
  56         .default_fw_path        = {
  57                 [SOF_IPC_TYPE_3] = "amd/sof",
  58         },
  59         .default_tplg_path      = {
  60                 [SOF_IPC_TYPE_3] = "amd/sof-tplg",
  61         },
  62         .default_fw_filename    = {
  63                 [SOF_IPC_TYPE_3] = "sof-acp_7_0.ri",
  64         },
  65         .nocodec_tplg_filename  = "sof-acp.tplg",
  66         .ops                    = &sof_acp70_ops,
  67         .ops_init               = sof_acp70_ops_init,
  68 };
  69
  70 static int acp70_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
  71 {
  72         unsigned int flag;
  73
  74         if (pci->revision != ACP70_PCI_ID)
  75                 return -ENODEV;
  76
  77         flag = snd_amd_acp_find_config(pci);
  78         if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
  79                 return -ENODEV;
  80
  81         return sof_pci_probe(pci, pci_id);
  82 };
  83
  84 static void acp70_pci_remove(struct pci_dev *pci)
  85 {
  86         sof_pci_remove(pci);
  87 }
  88
  89 /* PCI IDs */
  90 static const struct pci_device_id acp70_pci_ids[] = {
  91         { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
  92         .driver_data = (unsigned long)&acp70_desc},
  93         { 0, }
  94 };
  95 MODULE_DEVICE_TABLE(pci, acp70_pci_ids);
  96
  97 /* pci_driver definition */
  98 static struct pci_driver snd_sof_pci_amd_acp70_driver = {
  99         .name = KBUILD_MODNAME,
 100         .id_table = acp70_pci_ids,
 101         .probe = acp70_pci_probe,
 102         .remove = acp70_pci_remove,
 103         .driver = {
 104                 .pm = &sof_pci_pm,
 105         },
 106 };
 107 module_pci_driver(snd_sof_pci_amd_acp70_driver);
 108
 109 MODULE_LICENSE("Dual BSD/GPL");
 110 MODULE_DESCRIPTION("ACP70 SOF Driver");
 111 MODULE_IMPORT_NS("SND_SOC_SOF_AMD_COMMON");
 112 MODULE_IMPORT_NS("SND_SOC_SOF_PCI_DEV");