src/sys/dev/ic/w83l518d.c

127 lines
3.0 KiB
C

/* $OpenBSD: w83l518d.c,v 1.1 2009/10/03 19:51:53 kettenis Exp $ */
/* $NetBSD: w83l518d.c,v 1.1 2009/09/30 20:44:50 jmcneill Exp $ */
/*
* Copyright (c) 2009 Jared D. McNeill <jmcneill@invisible.ca>
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/syslog.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <machine/bus.h>
#include <dev/ic/w83l518dreg.h>
#include <dev/ic/w83l518dvar.h>
#include <dev/ic/w83l518d_sdmmc.h>
uint8_t
wb_idx_read(struct wb_softc *wb, uint8_t reg)
{
bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_INDEX, reg);
return bus_space_read_1(wb->wb_iot, wb->wb_ioh, WB_SD_DATA);
}
void
wb_idx_write(struct wb_softc *wb, uint8_t reg, uint8_t val)
{
bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_INDEX, reg);
bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_DATA, val);
}
uint8_t
wb_read(struct wb_softc *wb, uint8_t reg)
{
return bus_space_read_1(wb->wb_iot, wb->wb_ioh, reg);
}
void
wb_write(struct wb_softc *wb, uint8_t reg, uint8_t val)
{
bus_space_write_1(wb->wb_iot, wb->wb_ioh, reg, val);
}
void
wb_led(struct wb_softc *wb, int enable)
{
uint8_t val;
val = wb_read(wb, WB_SD_CSR);
if (enable)
val |= WB_CSR_MS_LED;
else
val &= ~WB_CSR_MS_LED;
wb_write(wb, WB_SD_CSR, val);
}
void
wb_attach(struct wb_softc *wb)
{
switch (wb->wb_type) {
case WB_DEVNO_SD:
wb_sdmmc_attach(wb);
break;
case WB_DEVNO_MS:
break;
case WB_DEVNO_SC:
break;
case WB_DEVNO_GPIO:
break;
}
}
int
wb_detach(struct wb_softc *wb, int flags)
{
switch (wb->wb_type) {
case WB_DEVNO_SD:
wb_sdmmc_detach(wb, flags);
break;
}
return 0;
}
/*
* intr handler
*/
int
wb_intr(void *opaque)
{
struct wb_softc *wb = opaque;
switch (wb->wb_type) {
case WB_DEVNO_SD:
return wb_sdmmc_intr(wb);
break;
}
return 0;
}