xref: /openbmc/linux/include/sound/sof.h (revision f8e17c17)
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 
18 struct snd_sof_dsp_ops;
19 
20 /*
21  * SOF Platform data.
22  */
23 struct snd_sof_pdata {
24 	const struct firmware *fw;
25 	const char *name;
26 	const char *platform;
27 
28 	struct device *dev;
29 
30 	/*
31 	 * notification callback used if the hardware initialization
32 	 * can take time or is handled in a workqueue. This callback
33 	 * can be used by the caller to e.g. enable runtime_pm
34 	 * or limit functionality until all low-level inits are
35 	 * complete.
36 	 */
37 	void (*sof_probe_complete)(struct device *dev);
38 
39 	/* descriptor */
40 	const struct sof_dev_desc *desc;
41 
42 	/* firmware and topology filenames */
43 	const char *fw_filename_prefix;
44 	const char *fw_filename;
45 	const char *tplg_filename_prefix;
46 	const char *tplg_filename;
47 
48 	/* machine */
49 	struct platform_device *pdev_mach;
50 	const struct snd_soc_acpi_mach *machine;
51 
52 	void *hw_pdata;
53 };
54 
55 /*
56  * Descriptor used for setting up SOF platform data. This is used when
57  * ACPI/PCI data is missing or mapped differently.
58  */
59 struct sof_dev_desc {
60 	/* list of machines using this configuration */
61 	struct snd_soc_acpi_mach *machines;
62 
63 	/* alternate list of machines using this configuration */
64 	struct snd_soc_acpi_mach *alt_machines;
65 
66 	/* Platform resource indexes in BAR / ACPI resources. */
67 	/* Must set to -1 if not used - add new items to end */
68 	int resindex_lpe_base;
69 	int resindex_pcicfg_base;
70 	int resindex_imr_base;
71 	int irqindex_host_ipc;
72 	int resindex_dma_base;
73 
74 	/* DMA only valid when resindex_dma_base != -1*/
75 	int dma_engine;
76 	int dma_size;
77 
78 	/* IPC timeouts in ms */
79 	int ipc_timeout;
80 	int boot_timeout;
81 
82 	/* chip information for dsp */
83 	const void *chip_info;
84 
85 	/* defaults for no codec mode */
86 	const char *nocodec_tplg_filename;
87 
88 	/* defaults paths for firmware and topology files */
89 	const char *default_fw_path;
90 	const char *default_tplg_path;
91 
92 	/* default firmware name */
93 	const char *default_fw_filename;
94 
95 	const struct snd_sof_dsp_ops *ops;
96 };
97 
98 int sof_nocodec_setup(struct device *dev,
99 		      const struct snd_sof_dsp_ops *ops);
100 #endif
101