include/sound/sof.h

   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) 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 *name;
  26         const char *platform;
  27
  28         struct device *dev;
  29
  30         /* indicate how many first bytes shouldn't be loaded into DSP memory. */
  31         size_t fw_offset;
  32
  33         /*
  34          * notification callback used if the hardware initialization
  35          * can take time or is handled in a workqueue. This callback
  36          * can be used by the caller to e.g. enable runtime_pm
  37          * or limit functionality until all low-level inits are
  38          * complete.
  39          */
  40         void (*sof_probe_complete)(struct device *dev);
  41
  42         /* descriptor */
  43         const struct sof_dev_desc *desc;
  44
  45         /* firmware and topology filenames */
  46         const char *fw_filename_prefix;
  47         const char *fw_filename;
  48         const char *tplg_filename_prefix;
  49         const char *tplg_filename;
  50
  51         /* machine */
  52         struct platform_device *pdev_mach;
  53         const struct snd_soc_acpi_mach *machine;
  54
  55         void *hw_pdata;
  56 };
  57
  58 /*
  59  * Descriptor used for setting up SOF platform data. This is used when
  60  * ACPI/PCI data is missing or mapped differently.
  61  */
  62 struct sof_dev_desc {
  63         /* list of machines using this configuration */
  64         struct snd_soc_acpi_mach *machines;
  65
  66         /* alternate list of machines using this configuration */
  67         struct snd_soc_acpi_mach *alt_machines;
  68
  69         /* Platform resource indexes in BAR / ACPI resources. */
  70         /* Must set to -1 if not used - add new items to end */
  71         int resindex_lpe_base;
  72         int resindex_pcicfg_base;
  73         int resindex_imr_base;
  74         int irqindex_host_ipc;
  75         int resindex_dma_base;
  76
  77         /* DMA only valid when resindex_dma_base != -1*/
  78         int dma_engine;
  79         int dma_size;
  80
  81         /* IPC timeouts in ms */
  82         int ipc_timeout;
  83         int boot_timeout;
  84
  85         /* chip information for dsp */
  86         const void *chip_info;
  87
  88         /* defaults for no codec mode */
  89         const char *nocodec_tplg_filename;
  90
  91         /* defaults paths for firmware and topology files */
  92         const char *default_fw_path;
  93         const char *default_tplg_path;
  94
  95         /* default firmware name */
  96         const char *default_fw_filename;
  97
  98         const struct snd_sof_dsp_ops *ops;
  99 };
 100
 101 int sof_nocodec_setup(struct device *dev,
 102                       const struct snd_sof_dsp_ops *ops);
 103 #endif