sibavar.h revision 183371
1/*-
2 * Copyright (c) 2007 Bruce M. Simpson.
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 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/dev/siba/sibavar.h 183371 2008-09-26 03:57:23Z imp $
27 */
28
29#ifndef _SIBA_SIBAVAR_H_
30#define _SIBA_SIBAVAR_H_
31
32#include <sys/rman.h>
33
34struct siba_softc {
35	device_t		 sc_dev;	/* Device ID */
36	struct resource		*sc_mem;	/* Memory window on nexus */
37
38	bus_space_tag_t		 sc_bt;
39	bus_space_handle_t	 sc_bh;
40	bus_addr_t		 sc_maddr;
41	bus_size_t		 sc_msize;
42
43	uint8_t			 sc_ncores;
44};
45
46struct siba_devinfo {
47	struct resource_list	 sdi_rl;
48	/*devhandle_t		 sdi_devhandle; XXX*/
49	/*struct rman sdi_intr_rman;*/
50
51	/* Accessors are needed for ivars below. */
52	uint16_t		 sdi_vid;
53	uint16_t		 sdi_devid;
54	uint8_t			 sdi_rev;
55	uint8_t			 sdi_idx;	/* core index on bus */
56	uint8_t			 sdi_irq;	/* TODO */
57};
58
59#define siba_read_2(sc, core, reg)				\
60	bus_space_read_2((sc)->sc_bt, (sc)->sc_bh,		\
61			 (core * SIBA_CORE_LEN) + (reg))
62
63#define siba_read_4(sc, core, reg)				\
64	bus_space_read_4((sc)->sc_bt, (sc)->sc_bh,		\
65			 (core * SIBA_CORE_LEN) + (reg))
66
67#define siba_write_2(sc, core, reg, val)			\
68	bus_space_write_2((sc)->sc_bt, (sc)->sc_bh,		\
69			 (core * SIBA_CORE_LEN) + (reg), (val))
70
71#define siba_write_4(sc, core, reg, val)			\
72	bus_space_write_4((sc)->sc_bt, (sc)->sc_bh,		\
73			 (core * SIBA_CORE_LEN) + (reg), (val))
74
75enum siba_device_ivars {
76	SIBA_IVAR_VENDOR,
77	SIBA_IVAR_DEVICE,
78	SIBA_IVAR_REVID,
79	SIBA_IVAR_CORE_INDEX
80};
81
82#define	SIBA_ACCESSOR(var, ivar, type)				\
83	__BUS_ACCESSOR(siba, var, SIBA, ivar, type)
84
85SIBA_ACCESSOR(vendor,		VENDOR,		uint16_t)
86SIBA_ACCESSOR(device,		DEVICE,		uint16_t)
87SIBA_ACCESSOR(revid,		REVID,		uint8_t)
88SIBA_ACCESSOR(core_index,	CORE_INDEX,	uint8_t)
89
90#undef SIBA_ACCESSOR
91
92#endif /* _SIBA_SIBAVAR_H_ */
93