xref: /openbmc/linux/drivers/mfd/intel-lpss.h (revision eb3fcf00)
1 /*
2  * Intel LPSS core support.
3  *
4  * Copyright (C) 2015, Intel Corporation
5  *
6  * Authors: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
7  *          Mika Westerberg <mika.westerberg@linux.intel.com>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12  */
13 
14 #ifndef __MFD_INTEL_LPSS_H
15 #define __MFD_INTEL_LPSS_H
16 
17 struct device;
18 struct resource;
19 
20 struct intel_lpss_platform_info {
21 	struct resource *mem;
22 	int irq;
23 	unsigned long clk_rate;
24 	const char *clk_con_id;
25 };
26 
27 int intel_lpss_probe(struct device *dev,
28 		     const struct intel_lpss_platform_info *info);
29 void intel_lpss_remove(struct device *dev);
30 
31 #ifdef CONFIG_PM
32 int intel_lpss_prepare(struct device *dev);
33 int intel_lpss_suspend(struct device *dev);
34 int intel_lpss_resume(struct device *dev);
35 
36 #ifdef CONFIG_PM_SLEEP
37 #define INTEL_LPSS_SLEEP_PM_OPS			\
38 	.prepare = intel_lpss_prepare,		\
39 	.suspend = intel_lpss_suspend,		\
40 	.resume = intel_lpss_resume,		\
41 	.freeze = intel_lpss_suspend,		\
42 	.thaw = intel_lpss_resume,		\
43 	.poweroff = intel_lpss_suspend,		\
44 	.restore = intel_lpss_resume,
45 #endif
46 
47 #define INTEL_LPSS_RUNTIME_PM_OPS		\
48 	.runtime_suspend = intel_lpss_suspend,	\
49 	.runtime_resume = intel_lpss_resume,
50 
51 #else /* !CONFIG_PM */
52 #define INTEL_LPSS_SLEEP_PM_OPS
53 #define INTEL_LPSS_RUNTIME_PM_OPS
54 #endif /* CONFIG_PM */
55 
56 #define INTEL_LPSS_PM_OPS(name)			\
57 const struct dev_pm_ops name = {		\
58 	INTEL_LPSS_SLEEP_PM_OPS			\
59 	INTEL_LPSS_RUNTIME_PM_OPS		\
60 }
61 
62 #endif /* __MFD_INTEL_LPSS_H */
63