1 /* $NetBSD: lubbock_pcic.c,v 1.3 2006/02/23 05:37:47 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by IWAMOTO Toshihiro. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: lubbock_pcic.c,v 1.3 2006/02/23 05:37:47 thorpej Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/types.h> 45 #include <sys/conf.h> 46 #include <sys/file.h> 47 #include <sys/device.h> 48 #include <sys/kernel.h> 49 #include <sys/kthread.h> 50 #include <sys/malloc.h> 51 52 #include <machine/bus.h> 53 54 #include <dev/pcmcia/pcmciachip.h> 55 #include <dev/pcmcia/pcmciavar.h> 56 #include <arm/sa11x0/sa11x0_reg.h> 57 #include <arm/sa11x0/sa11x0_var.h> 58 #include <arm/sa11x0/sa1111_reg.h> 59 #include <arm/sa11x0/sa1111_var.h> 60 #include <arm/sa11x0/sa11x1_pcicreg.h> 61 #include <arm/sa11x0/sa11xx_pcicvar.h> 62 #include <arm/sa11x0/sa11x1_pcicvar.h> 63 64 #include <evbarm/lubbock/lubbock_reg.h> 65 #include <evbarm/lubbock/lubbock_var.h> 66 67 static int sacpcic_match(struct device *, struct cfdata *, void *); 68 static void sacpcic_attach(struct device *, struct device *, void *); 69 static void lubbock_set_power(struct sapcic_socket *so, int arg); 70 static void lubbock_socket_setup(struct sapcic_socket *sp); 71 72 static struct sapcic_tag lubbock_sacpcic_functions = { 73 sacpcic_read, 74 sacpcic_write, 75 lubbock_set_power, 76 sacpcic_clear_intr, 77 sacpcic_intr_establish, 78 sacpcic_intr_disestablish 79 }; 80 81 CFATTACH_DECL(sacpcic, sizeof(struct sacpcic_softc), 82 sacpcic_match, sacpcic_attach, NULL, NULL); 83 84 static int 85 sacpcic_match(struct device *parent, struct cfdata *cf, void *aux) 86 { 87 return (1); 88 } 89 90 static void 91 lubbock_socket_setup(struct sapcic_socket *sp) 92 { 93 sp->power_capability = SAPCIC_POWER_5V | SAPCIC_POWER_3V; 94 sp->pcictag = &lubbock_sacpcic_functions; 95 } 96 97 static void 98 sacpcic_attach(struct device *parent, struct device *self, void *aux) 99 { 100 sacpcic_attach_common((struct sacc_softc *)parent, 101 (struct sacpcic_softc *)self, aux, lubbock_socket_setup); 102 } 103 104 105 static void 106 lubbock_set_power(struct sapcic_socket *so, int arg) 107 { 108 struct sacc_softc *sc = so->pcictag_cookie; 109 struct obio_softc *bsc = 110 (struct obio_softc *)device_parent(&sc->sc_dev); 111 int s; 112 uint16_t tmp; 113 114 static const uint8_t vval_socket0[] = { 115 /* for socket0 (pcmcia) */ 116 0x00, /* OFF */ 117 0x08, /* 3.3V */ 118 0x05, /* 5V */ 119 }; 120 static const uint16_t vval_socket1[] = { 121 /* for socket1 (CF) */ 122 0x0000, /* OFF */ 123 0x8000, /* 3.3V */ 124 0x4000, /* 5V */ 125 }; 126 127 if( arg < 0 || SAPCIC_POWER_5V < arg ) 128 panic("sacpcic_set_power: bogus arg\n"); 129 130 switch( so->socket ){ 131 case 0: 132 bus_space_write_4(sc->sc_iot, sc->sc_ioh, SACCGPIOA_DVR, 133 vval_socket0[arg]); 134 break; 135 case 1: 136 s = splhigh(); 137 tmp = bus_space_read_2(bsc->sc_iot, bsc->sc_obioreg_ioh, 138 LUBBOCK_MISCWR); 139 bus_space_write_2(bsc->sc_iot, bsc->sc_obioreg_ioh, 140 LUBBOCK_MISCWR, (tmp & 0x3fff) | vval_socket1[arg] ); 141 splx(s); 142 break; 143 default: 144 printf("unknown socket number: %d\n", so->socket); 145 } 146 } 147