projects/linux·blob v5.13 · refs

105 lines · 2.5 KiB

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 <[email protected]>
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
18struct snd_sof_dsp_ops;
19
20/*
21 * SOF Platform data.
22 */
23struct 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 */
62struct 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 bool use_acpi_target_states;
70
71 /* Platform resource indexes in BAR / ACPI resources. */
72 /* Must set to -1 if not used - add new items to end */
73 int resindex_lpe_base;
74 int resindex_pcicfg_base;
75 int resindex_imr_base;
76 int irqindex_host_ipc;
77 int resindex_dma_base;
78
79 /* DMA only valid when resindex_dma_base != -1*/
80 int dma_engine;
81 int dma_size;
82
83 /* IPC timeouts in ms */
84 int ipc_timeout;
85 int boot_timeout;
86
87 /* chip information for dsp */
88 const void *chip_info;
89
90 /* defaults for no codec mode */
91 const char *nocodec_tplg_filename;
92
93 /* defaults paths for firmware and topology files */
94 const char *default_fw_path;
95 const char *default_tplg_path;
96
97 /* default firmware name */
98 const char *default_fw_filename;
99
100 const struct snd_sof_dsp_ops *ops;
101};
102
103int sof_dai_get_mclk(struct snd_soc_pcm_runtime *rtd);
104
105#endif