sound/soc/sof/amd/pci-rn.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) 2021 Advanced Micro Devices, Inc. All rights reserved.
   7 //
   8 // Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
   9
  10 /*
  11  * PCI interface for Renoir 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 ACP3x_REG_START         0x1240000
  27 #define ACP3x_REG_END           0x125C000
  28 #define ACP3X_FUTURE_REG_ACLK_0 0x1860
  29
  30 static const struct sof_amd_acp_desc renoir_chip_info = {
  31         .host_bridge_id = HOST_BRIDGE_CZN,
  32         .pgfsm_base     = ACP3X_PGFSM_BASE,
  33         .ext_intr_stat  = ACP3X_EXT_INTR_STAT,
  34         .dsp_intr_base  = ACP3X_DSP_SW_INTR_BASE,
  35         .acp_error_stat = ACP3X_ERROR_STATUS,
  36         .acp_sw0_i2s_err_reason = ACP3X_SW_I2S_ERROR_REASON,
  37         .sram_pte_offset = ACP3X_SRAM_PTE_OFFSET,
  38         .hw_semaphore_offset = ACP3X_AXI2DAGB_SEM_0,
  39         .acp_clkmux_sel = ACP3X_CLKMUX_SEL,
  40         .probe_reg_offset = ACP3X_FUTURE_REG_ACLK_0,
  41 };
  42
  43 static const struct sof_dev_desc renoir_desc = {
  44         .machines               = snd_soc_acpi_amd_sof_machines,
  45         .use_acpi_target_states = true,
  46         .resindex_lpe_base      = 0,
  47         .resindex_pcicfg_base   = -1,
  48         .resindex_imr_base      = -1,
  49         .irqindex_host_ipc      = -1,
  50         .chip_info              = &renoir_chip_info,
  51         .ipc_supported_mask     = BIT(SOF_IPC_TYPE_3),
  52         .ipc_default            = SOF_IPC_TYPE_3,
  53         .default_fw_path = {
  54                 [SOF_IPC_TYPE_3] = "amd/sof",
  55         },
  56         .default_tplg_path = {
  57                 [SOF_IPC_TYPE_3] = "amd/sof-tplg",
  58         },
  59         .default_fw_filename    = {
  60                 [SOF_IPC_TYPE_3] = "sof-rn.ri",
  61         },
  62         .nocodec_tplg_filename  = "sof-acp.tplg",
  63         .ops                    = &sof_renoir_ops,
  64         .ops_init               = sof_renoir_ops_init,
  65 };
  66
  67 static int acp_pci_rn_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
  68 {
  69         unsigned int flag;
  70
  71         if (pci->revision != ACP_RN_PCI_ID)
  72                 return -ENODEV;
  73
  74         flag = snd_amd_acp_find_config(pci);
  75         if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
  76                 return -ENODEV;
  77
  78         return sof_pci_probe(pci, pci_id);
  79 };
  80
  81 static void acp_pci_rn_remove(struct pci_dev *pci)
  82 {
  83         return sof_pci_remove(pci);
  84 }
  85
  86 /* PCI IDs */
  87 static const struct pci_device_id rn_pci_ids[] = {
  88         { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
  89         .driver_data = (unsigned long)&renoir_desc},
  90         { 0, }
  91 };
  92 MODULE_DEVICE_TABLE(pci, rn_pci_ids);
  93
  94 /* pci_driver definition */
  95 static struct pci_driver snd_sof_pci_amd_rn_driver = {
  96         .name = KBUILD_MODNAME,
  97         .id_table = rn_pci_ids,
  98         .probe = acp_pci_rn_probe,
  99         .remove = acp_pci_rn_remove,
 100         .driver = {
 101                 .pm = &sof_pci_pm,
 102         },
 103 };
 104 module_pci_driver(snd_sof_pci_amd_rn_driver);
 105
 106 MODULE_LICENSE("Dual BSD/GPL");
 107 MODULE_DESCRIPTION("RENOIR SOF Driver");
 108 MODULE_IMPORT_NS("SND_SOC_SOF_AMD_COMMON");
 109 MODULE_IMPORT_NS("SND_SOC_SOF_PCI_DEV");