freebsd-dev/sys/arm/xscale/pxa/pxavar.h

113 lines
3.7 KiB
C
Raw Normal View History

/* $NetBSD: obiovar.h,v 1.4 2003/06/16 17:40:53 thorpej Exp $ */
/*-
* Copyright (c) 2002, 2003 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Jason R. Thorpe for Wasabi Systems, Inc.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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 _PXAVAR_H_
#define _PXAVAR_H_
#include <sys/rman.h>
struct obio_softc {
bus_space_tag_t obio_bst; /* bus space tag */
struct rman obio_mem;
struct rman obio_irq;
};
extern bus_space_tag_t base_tag;
extern bus_space_tag_t obio_tag;
void pxa_obio_tag_init(void);
bus_space_tag_t pxa_bus_tag_alloc(bus_addr_t);
uint32_t pxa_gpio_get_function(int);
uint32_t pxa_gpio_set_function(int, uint32_t);
int pxa_gpio_setup_intrhandler(const char *, driver_filter_t *,
driver_intr_t *, void *, int, int, void **);
void pxa_gpio_mask_irq(int);
void pxa_gpio_unmask_irq(int);
int pxa_gpio_get_next_irq(void);
struct dmac_channel;
struct dmac_descriptor {
uint32_t ddadr;
uint32_t dsadr;
uint32_t dtadr;
uint32_t dcmd;
};
#define DMACD_SET_DESCRIPTOR(d, dadr) do { d->ddadr = dadr; } while (0)
#define DMACD_SET_SOURCE(d, sadr) do { d->dsadr = sadr; } while (0)
#define DMACD_SET_TARGET(d, tadr) do { d->dtadr = tadr; } while (0)
#define DMACD_SET_COMMAND(d, cmd) do { d->dcmd = cmd; } while (0)
#define DMAC_PRIORITY_HIGHEST 1
#define DMAC_PRIORITY_HIGH 2
#define DMAC_PRIORITY_LOW 3
int pxa_dmac_alloc(int, struct dmac_channel **, int);
void pxa_dmac_release(struct dmac_channel *);
int pxa_dmac_transfer(struct dmac_channel *, bus_addr_t);
int pxa_dmac_transfer_single(struct dmac_channel *,
bus_addr_t, bus_addr_t, uint32_t);
int pxa_dmac_transfer_done(struct dmac_channel *);
int pxa_dmac_transfer_failed(struct dmac_channel *);
enum pxa_device_ivars {
PXA_IVAR_BASE,
};
enum smi_device_ivars {
SMI_IVAR_PHYSBASE,
};
#define PXA_ACCESSOR(var, ivar, type) \
__BUS_ACCESSOR(pxa, var, PXA, ivar, type)
PXA_ACCESSOR(base, BASE, u_long)
#undef PXA_ACCESSOR
#define SMI_ACCESSOR(var, ivar, type) \
__BUS_ACCESSOR(smi, var, SMI, ivar, type)
SMI_ACCESSOR(physbase, PHYSBASE, bus_addr_t)
#undef CSR_ACCESSOR
#endif /* _PXAVAR_H_ */