xref: /openbmc/linux/include/sound/sof.h (revision fb8d6c8d)
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 *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  */
60 struct 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 
95 int 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
101