projects/linux·blob v5.2 · refs

100 lines · 2.4 KiB

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 <[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 *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 */
60struct 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
95int 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