109 lines
3.2 KiB
C
109 lines
3.2 KiB
C
/* $NetBSD: armadillo9_pcic.c,v 1.2 2012/10/27 17:17:46 chs Exp $ */
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/*
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* Copyright (c) 2005 HAMAJIMA Katsuomi. All rights reserved.
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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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: armadillo9_pcic.c,v 1.2 2012/10/27 17:17:46 chs Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <arm/ep93xx/epsocvar.h>
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#include <arm/ep93xx/epgpiovar.h>
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#include <arm/ep93xx/eppcicvar.h>
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#ifdef A9PCIC_DEBUG
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int armadillo9pcic_debug = A9PCIC_DEBUG;
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#define DPRINTFN(n,x) if (armadillo9pcic_debug>(n)) printf x;
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#else
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#define DPRINTFN(n,x)
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#endif
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static int armadillo9pcic_match(device_t, cfdata_t, void *);
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static void armadillo9pcic_attach(device_t, device_t, void *);
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CFATTACH_DECL_NEW(armadillo9pcic, 0,
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armadillo9pcic_match, armadillo9pcic_attach, NULL, NULL);
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static int armadillo9pcic_card_mode(void *, int);
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static int armadillo9pcic_power_capability(void *, int);
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static int armadillo9pcic_power_ctl(void *, int, int);
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struct eppcic_chipset_tag armadillo9pcic_tag = {
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armadillo9pcic_card_mode,
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armadillo9pcic_power_capability,
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armadillo9pcic_power_ctl
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};
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static int
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armadillo9pcic_match(device_t parent, cfdata_t match, 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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armadillo9pcic_attach(device_t parent, device_t self, void *aux)
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{
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struct epsoc_attach_args *sa = aux;
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epgpio_out(sa->sa_gpio, PORT_A, 3);
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eppcic_attach_common(parent, self, aux, &armadillo9pcic_tag);
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}
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static int
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armadillo9pcic_card_mode(void *self, int socket)
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{
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if (socket == 0)
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return CF_MODE;
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else
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return SLOT_DISABLE;
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}
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static int
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armadillo9pcic_power_capability(void *self, int socket)
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{
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int vcc = 0;
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if (socket == 0)
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vcc |= VCC_3V;
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return vcc;
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}
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static int
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armadillo9pcic_power_ctl(void *self, int socket, int onoff)
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{
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struct eppcic_softc *sc = device_private(self);
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DPRINTFN(1, ("armadillo9pcic_power_ctl: %s\n",onoff?"on":"off"));
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if (onoff)
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epgpio_clear(sc->sc_gpio, PORT_A, 3);
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else
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epgpio_set(sc->sc_gpio, PORT_A, 3);
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return (300 * 1000);
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}
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