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freebsd/sys/dev/siba/sibavar.h
Warner Losh fefa89c863 Support for the siba bus found in many broadcom products.
Submitted by:	bms@
Obtained from:	p4 mips branch
2008-09-26 03:57:23 +00:00

93 lines
2.9 KiB
C

/*-
* Copyright (c) 2007 Bruce M. Simpson.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _SIBA_SIBAVAR_H_
#define _SIBA_SIBAVAR_H_
#include <sys/rman.h>
struct siba_softc {
device_t sc_dev; /* Device ID */
struct resource *sc_mem; /* Memory window on nexus */
bus_space_tag_t sc_bt;
bus_space_handle_t sc_bh;
bus_addr_t sc_maddr;
bus_size_t sc_msize;
uint8_t sc_ncores;
};
struct siba_devinfo {
struct resource_list sdi_rl;
/*devhandle_t sdi_devhandle; XXX*/
/*struct rman sdi_intr_rman;*/
/* Accessors are needed for ivars below. */
uint16_t sdi_vid;
uint16_t sdi_devid;
uint8_t sdi_rev;
uint8_t sdi_idx; /* core index on bus */
uint8_t sdi_irq; /* TODO */
};
#define siba_read_2(sc, core, reg) \
bus_space_read_2((sc)->sc_bt, (sc)->sc_bh, \
(core * SIBA_CORE_LEN) + (reg))
#define siba_read_4(sc, core, reg) \
bus_space_read_4((sc)->sc_bt, (sc)->sc_bh, \
(core * SIBA_CORE_LEN) + (reg))
#define siba_write_2(sc, core, reg, val) \
bus_space_write_2((sc)->sc_bt, (sc)->sc_bh, \
(core * SIBA_CORE_LEN) + (reg), (val))
#define siba_write_4(sc, core, reg, val) \
bus_space_write_4((sc)->sc_bt, (sc)->sc_bh, \
(core * SIBA_CORE_LEN) + (reg), (val))
enum siba_device_ivars {
SIBA_IVAR_VENDOR,
SIBA_IVAR_DEVICE,
SIBA_IVAR_REVID,
SIBA_IVAR_CORE_INDEX
};
#define SIBA_ACCESSOR(var, ivar, type) \
__BUS_ACCESSOR(siba, var, SIBA, ivar, type)
SIBA_ACCESSOR(vendor, VENDOR, uint16_t)
SIBA_ACCESSOR(device, DEVICE, uint16_t)
SIBA_ACCESSOR(revid, REVID, uint8_t)
SIBA_ACCESSOR(core_index, CORE_INDEX, uint8_t)
#undef SIBA_ACCESSOR
#endif /* _SIBA_SIBAVAR_H_ */