include/sound/sof.h

   1 /* SPDX-License-Identifier: (GPL-2.0 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) 2018 Intel Corporation. All rights reserved.
   7  *
   8  * Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
   9  */
  10
  11 #ifndef __INCLUDE_SOUND_SOF_H
  12 #define __INCLUDE_SOUND_SOF_H
  13
  14 #include <linux/pci.h>
  15 #include <sound/soc.h>
  16 #include <sound/soc-acpi.h>
  17
  18 struct snd_sof_dsp_ops;
  19
  20 /*
  21  * SOF Platform data.
  22  */
  23 struct snd_sof_pdata {
  24         const struct firmware *fw;
  25         const char *drv_name;
  26         const char *name;
  27         const char *platform;
  28
  29         struct device *dev;
  30
  31         /*
  32          * notification callback used if the hardware initialization
  33          * can take time or is handled in a workqueue. This callback
  34          * can be used by the caller to e.g. enable runtime_pm
  35          * or limit functionality until all low-level inits are
  36          * complete.
  37          */
  38         void (*sof_probe_complete)(struct device *dev);
  39
  40         /* descriptor */
  41         const struct sof_dev_desc *desc;
  42
  43         /* firmware and topology filenames */
  44         const char *fw_filename_prefix;
  45         const char *fw_filename;
  46         const char *tplg_filename_prefix;
  47         const char *tplg_filename;
  48
  49         /* machine */
  50         struct platform_device *pdev_mach;
  51         const struct snd_soc_acpi_mach *machine;
  52
  53         void *hw_pdata;
  54 };
  55
  56 /*
  57  * Descriptor used for setting up SOF platform data. This is used when
  58  * ACPI/PCI data is missing or mapped differently.
  59  */
  60 struct sof_dev_desc {
  61         /* list of machines using this configuration */
  62         struct snd_soc_acpi_mach *machines;
  63
  64         /* Platform resource indexes in BAR / ACPI resources. */
  65         /* Must set to -1 if not used - add new items to end */
  66         int resindex_lpe_base;
  67         int resindex_pcicfg_base;
  68         int resindex_imr_base;
  69         int irqindex_host_ipc;
  70         int resindex_dma_base;
  71
  72         /* DMA only valid when resindex_dma_base != -1*/
  73         int dma_engine;
  74         int dma_size;
  75
  76         /* IPC timeouts in ms */
  77         int ipc_timeout;
  78         int boot_timeout;
  79
  80         /* chip information for dsp */
  81         const void *chip_info;
  82
  83         /* defaults for no codec mode */
  84         const char *nocodec_fw_filename;
  85         const char *nocodec_tplg_filename;
  86
  87         /* defaults paths for firmware and topology files */
  88         const char *default_fw_path;
  89         const char *default_tplg_path;
  90
  91         const struct snd_sof_dsp_ops *ops;
  92         const struct sof_arch_ops *arch_ops;
  93 };
  94
  95 int sof_nocodec_setup(struct device *dev,
  96                       struct snd_sof_pdata *sof_pdata,
  97                       struct snd_soc_acpi_mach *mach,
  98                       const struct sof_dev_desc *desc,
  99                       const struct snd_sof_dsp_ops *ops);
 100 #endif