Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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 <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
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 /* alternate list of machines using this configuration */
65 struct snd_soc_acpi_mach *alt_machines;
66
67 /* Platform resource indexes in BAR / ACPI resources. */
68 /* Must set to -1 if not used - add new items to end */
69 int resindex_lpe_base;
70 int resindex_pcicfg_base;
71 int resindex_imr_base;
72 int irqindex_host_ipc;
73 int resindex_dma_base;
74
75 /* DMA only valid when resindex_dma_base != -1*/
76 int dma_engine;
77 int dma_size;
78
79 /* IPC timeouts in ms */
80 int ipc_timeout;
81 int boot_timeout;
82
83 /* chip information for dsp */
84 const void *chip_info;
85
86 /* defaults for no codec mode */
87 const char *nocodec_fw_filename;
88 const char *nocodec_tplg_filename;
89
90 /* defaults paths for firmware and topology files */
91 const char *default_fw_path;
92 const char *default_tplg_path;
93
94 const struct snd_sof_dsp_ops *ops;
95 const struct sof_arch_ops *arch_ops;
96};
97
98int sof_nocodec_setup(struct device *dev,
99 struct snd_sof_pdata *sof_pdata,
100 struct snd_soc_acpi_mach *mach,
101 const struct sof_dev_desc *desc,
102 const struct snd_sof_dsp_ops *ops);
103#endif