xref: /freebsd/sys/dev/bhnd/bcma/bcmavar.h (revision d6b92ffa)
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 /** Base resource ID for per-core agent register allocations */
49 #define	BCMA_AGENT_RID_BASE	100
50 
51 /**
52  * Return the device's core index.
53  *
54  * @param _dinfo The bcma_devinfo instance to query.
55  */
56 #define	BCMA_DINFO_COREIDX(_dinfo)	\
57 	((_dinfo)->corecfg->core_info.core_idx)
58 
59 
60 /** BCMA port identifier. */
61 typedef u_int		bcma_pid_t;
62 #define BCMA_PID_MAX	UINT_MAX	/**< Maximum bcma_pid_t value */
63 
64 /** BCMA per-port region map identifier. */
65 typedef u_int		bcma_rmid_t;
66 #define	BCMA_RMID_MAX	UINT_MAX	/**< Maximum bcma_rmid_t value */
67 
68 struct bcma_devinfo;
69 struct bcma_corecfg;
70 struct bcma_map;
71 struct bcma_mport;
72 struct bcma_sport;
73 
74 int			 bcma_probe(device_t dev);
75 int			 bcma_attach(device_t dev);
76 int			 bcma_detach(device_t dev);
77 int			 bcma_get_intr_count(device_t dev, device_t child);
78 int			 bcma_get_core_ivec(device_t dev, device_t child,
79 			     u_int intr, uint32_t *ivec);
80 
81 int			 bcma_add_children(device_t bus);
82 
83 struct bcma_sport_list	*bcma_corecfg_get_port_list(struct bcma_corecfg *cfg,
84 			     bhnd_port_type type);
85 
86 struct bcma_devinfo	*bcma_alloc_dinfo(device_t bus);
87 int			 bcma_init_dinfo(device_t bus,
88 			     struct bcma_devinfo *dinfo,
89 			     struct bcma_corecfg *corecfg);
90 int			 bcma_dinfo_alloc_agent(device_t bus, device_t child,
91 			     struct bcma_devinfo *dinfo);
92 void			 bcma_free_dinfo(device_t bus,
93 			     struct bcma_devinfo *dinfo);
94 
95 struct bcma_corecfg	*bcma_alloc_corecfg(u_int core_index, int core_unit,
96 			     uint16_t vendor, uint16_t device, uint8_t hwrev);
97 void			 bcma_free_corecfg(struct bcma_corecfg *corecfg);
98 
99 struct bcma_sport	*bcma_alloc_sport(bcma_pid_t port_num, bhnd_port_type port_type);
100 void			 bcma_free_sport(struct bcma_sport *sport);
101 
102 int			 bcma_dmp_wait_reset(device_t child,
103 			     struct bcma_devinfo *dinfo);
104 int			 bcma_dmp_write_reset(device_t child,
105 			     struct bcma_devinfo *dinfo, uint32_t value);
106 
107 /** BCMA master port descriptor */
108 struct bcma_mport {
109 	bcma_pid_t	mp_num;		/**< AXI port identifier (bus-unique) */
110 	bcma_pid_t	mp_vid;		/**< AXI master virtual ID (core-unique) */
111 	STAILQ_ENTRY(bcma_mport) mp_link;
112 };
113 
114 /** BCMA memory region descriptor */
115 struct bcma_map {
116 	bcma_rmid_t	m_region_num;	/**< region identifier (port-unique). */
117 	bhnd_addr_t	m_base;		/**< base address */
118 	bhnd_size_t	m_size;		/**< size */
119 	int		m_rid;		/**< bus resource id, or -1. */
120 
121 	STAILQ_ENTRY(bcma_map) m_link;
122 };
123 
124 /** BCMA slave port descriptor */
125 struct bcma_sport {
126 	bcma_pid_t	sp_num;		/**< slave port number (core-unique) */
127 	bhnd_port_type	sp_type;	/**< port type */
128 
129 	u_long		sp_num_maps;	/**< number of regions mapped to this port */
130 	STAILQ_HEAD(, bcma_map) sp_maps;
131 	STAILQ_ENTRY(bcma_sport) sp_link;
132 };
133 
134 STAILQ_HEAD(bcma_mport_list, bcma_mport);
135 STAILQ_HEAD(bcma_sport_list, bcma_sport);
136 
137 /** BCMA IP core/block configuration */
138 struct bcma_corecfg {
139 	struct bhnd_core_info	core_info;	/**< standard core info */
140 
141 	u_long		num_master_ports;	/**< number of master port descriptors. */
142 	struct bcma_mport_list	master_ports;	/**< master port descriptors */
143 
144 	u_long		num_dev_ports;		/**< number of device slave port descriptors. */
145 	struct bcma_sport_list	dev_ports;	/**< device port descriptors */
146 
147 	u_long		num_bridge_ports;	/**< number of bridge slave port descriptors. */
148 	struct bcma_sport_list	bridge_ports;	/**< bridge port descriptors */
149 
150 	u_long		num_wrapper_ports;	/**< number of wrapper slave port descriptors. */
151 	struct bcma_sport_list	wrapper_ports;	/**< wrapper port descriptors */
152 };
153 
154 /**
155  * BCMA per-device info
156  */
157 struct bcma_devinfo {
158 	struct resource_list		 resources;	/**< Slave port memory regions. */
159 	struct bcma_corecfg		*corecfg;	/**< IP core/block config */
160 
161 	struct bhnd_resource		*res_agent;	/**< Agent (wrapper) resource, or NULL. Not
162 							  *  all bcma(4) cores have or require an agent. */
163 	int				 rid_agent;	/**< Agent resource ID, or -1 */
164 
165 	struct bhnd_core_pmu_info	*pmu_info;	/**< Bus-managed PMU state, or NULL */
166 };
167 
168 
169 /** BMCA per-instance state */
170 struct bcma_softc {
171 	struct bhnd_softc	bhnd_sc;	/**< bhnd state */
172 };
173 
174 #endif /* _BCMA_BCMAVAR_H_ */
175