xref: /freebsd/sys/dev/bhnd/bhndvar.h (revision 2e3507c25e42292b45a5482e116d278f5515d04d)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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  */
36 
37 #ifndef _BHND_BHNDVAR_H_
38 #define _BHND_BHNDVAR_H_
39 
40 #include <sys/param.h>
41 #include <sys/bus.h>
42 #include <sys/malloc.h>
43 
44 #include "bhnd.h"
45 
46 /*
47  * Definitions shared by bhnd(4) bus and bhndb(4) bridge driver implementations.
48  */
49 
50 MALLOC_DECLARE(M_BHND);
51 DECLARE_CLASS(bhnd_driver);
52 
53 struct bhnd_core_clkctl;
54 
55 struct bhnd_core_clkctl		*bhnd_alloc_core_clkctl(device_t dev,
56 				     device_t pmu_dev, struct bhnd_resource *r,
57 				     bus_size_t offset, u_int max_latency);
58 void				 bhnd_free_core_clkctl(
59 				     struct bhnd_core_clkctl *clkctl);
60 int				 bhnd_core_clkctl_wait(
61 				     struct bhnd_core_clkctl *clkctl,
62 				     uint32_t value, uint32_t mask);
63 
64 int				 bhnd_generic_attach(device_t dev);
65 int				 bhnd_generic_detach(device_t dev);
66 int				 bhnd_generic_shutdown(device_t dev);
67 int				 bhnd_generic_resume(device_t dev);
68 int				 bhnd_generic_suspend(device_t dev);
69 
70 int				 bhnd_generic_get_probe_order(device_t dev,
71 				     device_t child);
72 
73 int				 bhnd_generic_alloc_pmu(device_t dev,
74 				     device_t child);
75 int				 bhnd_generic_release_pmu(device_t dev,
76 				     device_t child);
77 int				 bhnd_generic_get_clock_latency(device_t dev,
78 				     device_t child, bhnd_clock clock,
79 				     u_int *latency);
80 int				 bhnd_generic_get_clock_freq(device_t dev,
81 				     device_t child, bhnd_clock clock,
82 				     u_int *freq);
83 int				 bhnd_generic_request_clock(device_t dev,
84 				     device_t child, bhnd_clock clock);
85 int				 bhnd_generic_enable_clocks(device_t dev,
86 				     device_t child, uint32_t clocks);
87 int				 bhnd_generic_request_ext_rsrc(device_t dev,
88 				     device_t child, u_int rsrc);
89 int				 bhnd_generic_release_ext_rsrc(device_t dev,
90 				     device_t child, u_int rsrc);
91 
92 int				 bhnd_generic_print_child(device_t dev,
93 				     device_t child);
94 void				 bhnd_generic_probe_nomatch(device_t dev,
95 				     device_t child);
96 
97 void				 bhnd_generic_child_deleted(device_t dev,
98 				     device_t child);
99 int				 bhnd_generic_suspend_child(device_t dev,
100 				     device_t child);
101 int				 bhnd_generic_resume_child(device_t dev,
102 				     device_t child);
103 
104 int				 bhnd_generic_setup_intr(device_t dev,
105 				     device_t child, struct resource *irq,
106 				     int flags, driver_filter_t *filter,
107 				     driver_intr_t *intr, void *arg,
108 				     void **cookiep);
109 
110 int				 bhnd_generic_get_nvram_var(device_t dev,
111 				     device_t child, const char *name,
112 				     void *buf, size_t *size,
113 				     bhnd_nvram_type type);
114 
115 /**
116  * bhnd driver instance state. Must be first member of all subclass
117  * softc structures.
118  */
119 struct bhnd_softc {
120 	device_t dev;	/**< bus device */
121 };
122 
123 #endif /* _BHND_BHNDVAR_H_ */
124