xref: /freebsd/sys/dev/bhnd/bcma/bcmavar.h (revision d96700a6da2afa88607fbd7405ade439424d10d9)
1 /*-
2  * Copyright (c) 2015 Landon Fuller <landon@landonf.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer,
10  *    without modification.
11  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
13  *    redistribution must be conditioned upon including a substantially
14  *    similar Disclaimer requirement for further binary redistribution.
15  *
16  * NO WARRANTY
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
20  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
22  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
27  * THE POSSIBILITY OF SUCH DAMAGES.
28  *
29  * $FreeBSD$
30  */
31 
32 #ifndef _BCMA_BCMAVAR_H_
33 #define _BCMA_BCMAVAR_H_
34 
35 #include <sys/param.h>
36 #include <sys/bus.h>
37 #include <sys/limits.h>
38 
39 #include <machine/bus.h>
40 #include <sys/rman.h>
41 
42 #include "bcma.h"
43 
44 /*
45  * Internal definitions shared by bcma(4) driver implementations.
46  */
47 
48 /** BCMA port identifier. */
49 typedef u_int		bcma_pid_t;
50 #define BCMA_PID_MAX	UINT_MAX	/**< Maximum bcma_pid_t value */
51 
52 /** BCMA per-port region map identifier. */
53 typedef u_int		bcma_rmid_t;
54 #define	BCMA_RMID_MAX	UINT_MAX	/**< Maximum bcma_rmid_t value */
55 
56 struct bcma_devinfo;
57 struct bcma_corecfg;
58 struct bcma_map;
59 struct bcma_mport;
60 struct bcma_sport;
61 
62 int			 bcma_probe(device_t dev);
63 int			 bcma_attach(device_t dev);
64 int			 bcma_detach(device_t dev);
65 
66 int			 bcma_add_children(device_t bus,
67 			     struct resource *erom_res, bus_size_t erom_offset);
68 
69 struct bcma_sport_list	*bcma_corecfg_get_port_list(struct bcma_corecfg *cfg,
70 			     bhnd_port_type type);
71 
72 struct bcma_devinfo	*bcma_alloc_dinfo(device_t bus);
73 int			 bcma_init_dinfo(device_t bus,
74 			     struct bcma_devinfo *dinfo,
75 			     struct bcma_corecfg *corecfg);
76 void			 bcma_free_dinfo(device_t bus,
77 			     struct bcma_devinfo *dinfo);
78 
79 struct bcma_corecfg	*bcma_alloc_corecfg(u_int core_index, int core_unit,
80 			     uint16_t vendor, uint16_t device, uint8_t hwrev);
81 void			 bcma_free_corecfg(struct bcma_corecfg *corecfg);
82 
83 struct bcma_sport	*bcma_alloc_sport(bcma_pid_t port_num, bhnd_port_type port_type);
84 void			 bcma_free_sport(struct bcma_sport *sport);
85 
86 /** BCMA master port descriptor */
87 struct bcma_mport {
88 	bcma_pid_t	mp_num;		/**< AXI port identifier (bus-unique) */
89 	bcma_pid_t	mp_vid;		/**< AXI master virtual ID (core-unique) */
90 	STAILQ_ENTRY(bcma_mport) mp_link;
91 };
92 
93 /** BCMA memory region descriptor */
94 struct bcma_map {
95 	bcma_rmid_t	m_region_num;	/**< region identifier (port-unique). */
96 	bhnd_addr_t	m_base;		/**< base address */
97 	bhnd_size_t	m_size;		/**< size */
98 	int		m_rid;		/**< bus resource id, or -1. */
99 
100 	STAILQ_ENTRY(bcma_map) m_link;
101 };
102 
103 /** BCMA slave port descriptor */
104 struct bcma_sport {
105 	bcma_pid_t	sp_num;		/**< slave port number (core-unique) */
106 	bhnd_port_type	sp_type;	/**< port type */
107 
108 	u_long		sp_num_maps;	/**< number of regions mapped to this port */
109 	STAILQ_HEAD(, bcma_map) sp_maps;
110 	STAILQ_ENTRY(bcma_sport) sp_link;
111 };
112 
113 STAILQ_HEAD(bcma_mport_list, bcma_mport);
114 STAILQ_HEAD(bcma_sport_list, bcma_sport);
115 
116 /** BCMA IP core/block configuration */
117 struct bcma_corecfg {
118 	struct bhnd_core_info	core_info;	/**< standard core info */
119 
120 	u_long		num_master_ports;	/**< number of master port descriptors. */
121 	struct bcma_mport_list	master_ports;	/**< master port descriptors */
122 
123 	u_long		num_dev_ports;		/**< number of device slave port descriptors. */
124 	struct bcma_sport_list	dev_ports;	/**< device port descriptors */
125 
126 	u_long		num_bridge_ports;	/**< number of bridge slave port descriptors. */
127 	struct bcma_sport_list	bridge_ports;	/**< bridge port descriptors */
128 
129 	u_long		num_wrapper_ports;	/**< number of wrapper slave port descriptors. */
130 	struct bcma_sport_list	wrapper_ports;	/**< wrapper port descriptors */
131 };
132 
133 /**
134  * BCMA per-device info
135  */
136 struct bcma_devinfo {
137 	struct bhnd_devinfo	 bhnd_dinfo;	/**< superclass device info. */
138 
139 	struct resource_list	 resources;	/**< Slave port memory regions. */
140 	struct bcma_corecfg	*corecfg;	/**< IP core/block config */
141 
142 	struct bhnd_resource	*res_agent;	/**< Agent (wrapper) resource, or NULL. Not
143 						  *  all bcma(4) cores have or require an agent. */
144 	int			 rid_agent;	/**< Agent resource ID, or -1 */
145 };
146 
147 
148 /** BMCA per-instance state */
149 struct bcma_softc {
150 	struct bhnd_softc	bhnd_sc;	/**< bhnd state */
151 	device_t		hostb_dev;	/**< host bridge core, or NULL */
152 };
153 
154 #endif /* _BCMA_BCMAVAR_H_ */
155