1 /*
2  * Copyright (c) 2014-2015 Qualcomm Atheros, Inc.
3  *
4  * Permission to use, copy, modify, and/or distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #ifndef __WIL_PLATFORM_H__
18 #define __WIL_PLATFORM_H__
19 
20 struct device;
21 
22 /**
23  * struct wil_platform_ops - wil platform module calls from this
24  * driver to platform driver
25  */
26 struct wil_platform_ops {
27 	int (*bus_request)(void *handle, uint32_t kbps /* KBytes/Sec */);
28 	int (*suspend)(void *handle);
29 	int (*resume)(void *handle);
30 	void (*uninit)(void *handle);
31 	int (*notify_crash)(void *handle);
32 };
33 
34 /**
35  * struct wil_platform_rops - wil platform module callbacks from
36  * platform driver to this driver
37  * @ramdump: store a ramdump from the wil firmware. The platform
38  *	driver may add additional data to the ramdump to
39  *	generate the final crash dump.
40  * @fw_recovery: start a firmware recovery process. Called as
41  *      part of a crash recovery process which may include other
42  *      related platform subsystems.
43  */
44 struct wil_platform_rops {
45 	int (*ramdump)(void *wil_handle, void *buf, uint32_t size);
46 	int (*fw_recovery)(void *wil_handle);
47 };
48 
49 /**
50  * wil_platform_init - initialize the platform driver
51  *
52  * @dev - pointer to the wil6210 device
53  * @ops - structure with platform driver operations. Platform
54  *	driver will fill this structure with function pointers.
55  * @rops - structure with callbacks from platform driver to
56  *	this driver. The platform driver copies the structure to
57  *	its own storage. Can be NULL if this driver does not
58  *	support crash recovery.
59  * @wil_handle - context for this driver that will be passed
60  *      when platform driver invokes one of the callbacks in
61  *      rops. May be NULL if rops is NULL.
62  */
63 void *wil_platform_init(struct device *dev, struct wil_platform_ops *ops,
64 			const struct wil_platform_rops *rops, void *wil_handle);
65 
66 int __init wil_platform_modinit(void);
67 void wil_platform_modexit(void);
68 
69 #endif /* __WIL_PLATFORM_H__ */
70