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
179