142 lines
4.2 KiB
C
142 lines
4.2 KiB
C
/* $NetBSD: lubbock_pcic.c,v 1.7 2011/07/01 20:42:37 dyoung Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by IWAMOTO Toshihiro.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: lubbock_pcic.c,v 1.7 2011/07/01 20:42:37 dyoung Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/types.h>
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#include <sys/conf.h>
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#include <sys/file.h>
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#include <sys/device.h>
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#include <sys/kernel.h>
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#include <sys/kthread.h>
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#include <sys/malloc.h>
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#include <sys/bus.h>
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#include <dev/pcmcia/pcmciachip.h>
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#include <dev/pcmcia/pcmciavar.h>
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#include <arm/sa11x0/sa11x0_reg.h>
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#include <arm/sa11x0/sa11x0_var.h>
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#include <arm/sa11x0/sa1111_reg.h>
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#include <arm/sa11x0/sa1111_var.h>
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#include <arm/sa11x0/sa11x1_pcicreg.h>
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#include <arm/sa11x0/sa11xx_pcicvar.h>
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#include <arm/sa11x0/sa11x1_pcicvar.h>
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#include <evbarm/lubbock/lubbock_reg.h>
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#include <evbarm/lubbock/lubbock_var.h>
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static int sacpcic_match(device_t, cfdata_t, void *);
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static void sacpcic_attach(device_t, device_t, void *);
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static void lubbock_set_power(struct sapcic_socket *so, int arg);
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static void lubbock_socket_setup(struct sapcic_socket *sp);
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static struct sapcic_tag lubbock_sacpcic_functions = {
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sacpcic_read,
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sacpcic_write,
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lubbock_set_power,
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sacpcic_clear_intr,
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sacpcic_intr_establish,
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sacpcic_intr_disestablish
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};
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CFATTACH_DECL_NEW(sacpcic, sizeof(struct sacpcic_softc),
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sacpcic_match, sacpcic_attach, NULL, NULL);
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static int
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sacpcic_match(device_t parent, cfdata_t cf, void *aux)
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{
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return (1);
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}
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static void
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lubbock_socket_setup(struct sapcic_socket *sp)
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{
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sp->power_capability = SAPCIC_POWER_5V | SAPCIC_POWER_3V;
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sp->pcictag = &lubbock_sacpcic_functions;
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}
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static void
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sacpcic_attach(device_t parent, device_t self, void *aux)
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{
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struct sacpcic_softc *sc = device_private(self);
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sc->sc_pc.sc_dev = self;
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sacpcic_attach_common(device_private(parent),
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sc, aux, lubbock_socket_setup);
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}
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static void
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lubbock_set_power(struct sapcic_socket *so, int arg)
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{
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struct sacc_softc *sc = so->pcictag_cookie;
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struct obio_softc *bsc = device_private(device_parent(sc->sc_dev));
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int s;
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uint16_t tmp;
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static const uint8_t vval_socket0[] = {
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/* for socket0 (pcmcia) */
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0x00, /* OFF */
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0x08, /* 3.3V */
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0x05, /* 5V */
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};
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static const uint16_t vval_socket1[] = {
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/* for socket1 (CF) */
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0x0000, /* OFF */
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0x8000, /* 3.3V */
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0x4000, /* 5V */
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};
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if( arg < 0 || SAPCIC_POWER_5V < arg )
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panic("sacpcic_set_power: bogus arg\n");
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switch( so->socket ){
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case 0:
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bus_space_write_4(sc->sc_iot, sc->sc_ioh, SACCGPIOA_DVR,
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vval_socket0[arg]);
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break;
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case 1:
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s = splhigh();
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tmp = bus_space_read_2(bsc->sc_iot, bsc->sc_obioreg_ioh,
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LUBBOCK_MISCWR);
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bus_space_write_2(bsc->sc_iot, bsc->sc_obioreg_ioh,
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LUBBOCK_MISCWR, (tmp & 0x3fff) | vval_socket1[arg] );
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splx(s);
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break;
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default:
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aprint_normal("unknown socket number: %d\n", so->socket);
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}
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}
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