xref: /freebsd/sys/dev/bhnd/bhndvar.h (revision cfd6422a5217410fbd66f7a7a8a64d9d85e61229)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2015-2016 Landon Fuller <landonf@FreeBSD.org>
5  * Copyright (c) 2017 The FreeBSD Foundation
6  * All rights reserved.
7  *
8  * Portions of this software were developed by Landon Fuller
9  * under sponsorship from the FreeBSD Foundation.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer,
16  *    without modification.
17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
19  *    redistribution must be conditioned upon including a substantially
20  *    similar Disclaimer requirement for further binary redistribution.
21  *
22  * NO WARRANTY
23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
26  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
27  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
28  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
31  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
33  * THE POSSIBILITY OF SUCH DAMAGES.
34  *
35  * $FreeBSD$
36  */
37 
38 #ifndef _BHND_BHNDVAR_H_
39 #define _BHND_BHNDVAR_H_
40 
41 #include <sys/param.h>
42 #include <sys/bus.h>
43 #include <sys/malloc.h>
44 
45 #include "bhnd.h"
46 
47 /*
48  * Definitions shared by bhnd(4) bus and bhndb(4) bridge driver implementations.
49  */
50 
51 MALLOC_DECLARE(M_BHND);
52 DECLARE_CLASS(bhnd_driver);
53 
54 struct bhnd_core_clkctl;
55 
56 struct bhnd_core_clkctl		*bhnd_alloc_core_clkctl(device_t dev,
57 				     device_t pmu_dev, struct bhnd_resource *r,
58 				     bus_size_t offset, u_int max_latency);
59 void				 bhnd_free_core_clkctl(
60 				     struct bhnd_core_clkctl *clkctl);
61 int				 bhnd_core_clkctl_wait(
62 				     struct bhnd_core_clkctl *clkctl,
63 				     uint32_t value, uint32_t mask);
64 
65 int				 bhnd_generic_attach(device_t dev);
66 int				 bhnd_generic_detach(device_t dev);
67 int				 bhnd_generic_shutdown(device_t dev);
68 int				 bhnd_generic_resume(device_t dev);
69 int				 bhnd_generic_suspend(device_t dev);
70 
71 int				 bhnd_generic_get_probe_order(device_t dev,
72 				     device_t child);
73 
74 int				 bhnd_generic_alloc_pmu(device_t dev,
75 				     device_t child);
76 int				 bhnd_generic_release_pmu(device_t dev,
77 				     device_t child);
78 int				 bhnd_generic_get_clock_latency(device_t dev,
79 				     device_t child, bhnd_clock clock,
80 				     u_int *latency);
81 int				 bhnd_generic_get_clock_freq(device_t dev,
82 				     device_t child, bhnd_clock clock,
83 				     u_int *freq);
84 int				 bhnd_generic_request_clock(device_t dev,
85 				     device_t child, bhnd_clock clock);
86 int				 bhnd_generic_enable_clocks(device_t dev,
87 				     device_t child, uint32_t clocks);
88 int				 bhnd_generic_request_ext_rsrc(device_t dev,
89 				     device_t child, u_int rsrc);
90 int				 bhnd_generic_release_ext_rsrc(device_t dev,
91 				     device_t child, u_int rsrc);
92 
93 int				 bhnd_generic_print_child(device_t dev,
94 				     device_t child);
95 void				 bhnd_generic_probe_nomatch(device_t dev,
96 				     device_t child);
97 
98 void				 bhnd_generic_child_deleted(device_t dev,
99 				     device_t child);
100 int				 bhnd_generic_suspend_child(device_t dev,
101 				     device_t child);
102 int				 bhnd_generic_resume_child(device_t dev,
103 				     device_t child);
104 
105 int				 bhnd_generic_setup_intr(device_t dev,
106 				     device_t child, struct resource *irq,
107 				     int flags, driver_filter_t *filter,
108 				     driver_intr_t *intr, void *arg,
109 				     void **cookiep);
110 
111 int				 bhnd_generic_get_nvram_var(device_t dev,
112 				     device_t child, const char *name,
113 				     void *buf, size_t *size,
114 				     bhnd_nvram_type type);
115 
116 /**
117  * bhnd driver instance state. Must be first member of all subclass
118  * softc structures.
119  */
120 struct bhnd_softc {
121 	device_t dev;	/**< bus device */
122 };
123 
124 #endif /* _BHND_BHNDVAR_H_ */
125