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
   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 struct snd_sof_dev;
  20
  21 /**
  22  * enum sof_fw_state - DSP firmware state definitions
  23  * @SOF_FW_BOOT_NOT_STARTED:    firmware boot is not yet started
  24  * @SOF_DSPLESS_MODE:           DSP is not used
  25  * @SOF_FW_BOOT_PREPARE:        preparing for boot (firmware loading for exaqmple)
  26  * @SOF_FW_BOOT_IN_PROGRESS:    firmware boot is in progress
  27  * @SOF_FW_BOOT_FAILED:         firmware boot failed
  28  * @SOF_FW_BOOT_READY_FAILED:   firmware booted but fw_ready op failed
  29  * @SOF_FW_BOOT_READY_OK:       firmware booted and fw_ready op passed
  30  * @SOF_FW_BOOT_COMPLETE:       firmware is booted up and functional
  31  * @SOF_FW_CRASHED:             firmware crashed after successful boot
  32  */
  33 enum sof_fw_state {
  34         SOF_FW_BOOT_NOT_STARTED = 0,
  35         SOF_DSPLESS_MODE,
  36         SOF_FW_BOOT_PREPARE,
  37         SOF_FW_BOOT_IN_PROGRESS,
  38         SOF_FW_BOOT_FAILED,
  39         SOF_FW_BOOT_READY_FAILED,
  40         SOF_FW_BOOT_READY_OK,
  41         SOF_FW_BOOT_COMPLETE,
  42         SOF_FW_CRASHED,
  43 };
  44
  45 /* DSP power states */
  46 enum sof_dsp_power_states {
  47         SOF_DSP_PM_D0,
  48         SOF_DSP_PM_D1,
  49         SOF_DSP_PM_D2,
  50         SOF_DSP_PM_D3,
  51 };
  52
  53 /* Definitions for multiple IPCs */
  54 enum sof_ipc_type {
  55         SOF_IPC_TYPE_3,
  56         SOF_IPC_TYPE_4,
  57         SOF_IPC_TYPE_COUNT
  58 };
  59
  60 struct sof_loadable_file_profile {
  61         enum sof_ipc_type ipc_type;
  62
  63         const char *fw_path;
  64         const char *fw_path_postfix;
  65         const char *fw_name;
  66         const char *fw_lib_path;
  67         const char *fw_lib_path_postfix;
  68         const char *tplg_path;
  69         const char *tplg_name;
  70 };
  71
  72 /*
  73  * SOF Platform data.
  74  */
  75 struct snd_sof_pdata {
  76         const char *name;
  77         const char *platform;
  78
  79         /*
  80          * PCI SSID. As PCI does not define 0 as invalid, the subsystem_id_set
  81          * flag indicates that a value has been written to these members.
  82          */
  83         unsigned short subsystem_vendor;
  84         unsigned short subsystem_device;
  85         bool subsystem_id_set;
  86
  87         struct device *dev;
  88
  89         /*
  90          * notification callback used if the hardware initialization
  91          * can take time or is handled in a workqueue. This callback
  92          * can be used by the caller to e.g. enable runtime_pm
  93          * or limit functionality until all low-level inits are
  94          * complete.
  95          */
  96         void (*sof_probe_complete)(struct device *dev);
  97
  98         /* descriptor */
  99         const struct sof_dev_desc *desc;
 100
 101         /* platform's preferred IPC type and path overrides */
 102         struct sof_loadable_file_profile ipc_file_profile_base;
 103
 104         /* firmware and topology filenames */
 105         const char *fw_filename_prefix;
 106         const char *fw_filename;
 107         const char *tplg_filename_prefix;
 108         const char *tplg_filename;
 109
 110         /* loadable external libraries available under this directory */
 111         const char *fw_lib_prefix;
 112
 113         /* machine */
 114         struct platform_device *pdev_mach;
 115         const struct snd_soc_acpi_mach *machine;
 116         const struct snd_sof_of_mach *of_machine;
 117
 118         void *hw_pdata;
 119
 120         enum sof_ipc_type ipc_type;
 121 };
 122
 123 /*
 124  * Descriptor used for setting up SOF platform data. This is used when
 125  * ACPI/PCI data is missing or mapped differently.
 126  */
 127 struct sof_dev_desc {
 128         /* list of machines using this configuration */
 129         struct snd_soc_acpi_mach *machines;
 130         struct snd_sof_of_mach *of_machines;
 131
 132         /* alternate list of machines using this configuration */
 133         struct snd_soc_acpi_mach *alt_machines;
 134
 135         bool use_acpi_target_states;
 136
 137         /* Platform resource indexes in BAR / ACPI resources. */
 138         /* Must set to -1 if not used - add new items to end */
 139         int resindex_lpe_base;
 140         int resindex_pcicfg_base;
 141         int resindex_imr_base;
 142         int irqindex_host_ipc;
 143
 144         /* IPC timeouts in ms */
 145         int ipc_timeout;
 146         int boot_timeout;
 147
 148         /* chip information for dsp */
 149         const void *chip_info;
 150
 151         /* defaults for no codec mode */
 152         const char *nocodec_tplg_filename;
 153
 154         /* information on supported IPCs */
 155         unsigned int ipc_supported_mask;
 156         enum sof_ipc_type ipc_default;
 157
 158         /* The platform supports DSPless mode */
 159         bool dspless_mode_supported;
 160
 161         /* defaults paths for firmware, library and topology files */
 162         const char *default_fw_path[SOF_IPC_TYPE_COUNT];
 163         const char *default_lib_path[SOF_IPC_TYPE_COUNT];
 164         const char *default_tplg_path[SOF_IPC_TYPE_COUNT];
 165
 166         /* default firmware name */
 167         const char *default_fw_filename[SOF_IPC_TYPE_COUNT];
 168
 169         const struct snd_sof_dsp_ops *ops;
 170         int (*ops_init)(struct snd_sof_dev *sdev);
 171         void (*ops_free)(struct snd_sof_dev *sdev);
 172 };
 173
 174 int sof_dai_get_mclk(struct snd_soc_pcm_runtime *rtd);
 175 int sof_dai_get_bclk(struct snd_soc_pcm_runtime *rtd);
 176 int sof_dai_get_tdm_slots(struct snd_soc_pcm_runtime *rtd);
 177
 178 #endif