slhci_intio.c revision 1.4
1/* $NetBSD: slhci_intio.c,v 1.4 2002/10/02 16:02:43 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 Tetsuya Isaki. 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/* 40 * USB part of Nereid Ethernet/USB/Memory board 41 */ 42 43#include <sys/param.h> 44#include <sys/systm.h> 45#include <sys/device.h> 46 47#include <machine/bus.h> 48#include <machine/cpu.h> 49 50#include <dev/usb/usb.h> 51#include <dev/usb/usbdi.h> 52#include <dev/usb/usbdivar.h> 53 54#include <dev/ic/sl811hsreg.h> 55#include <dev/ic/sl811hsvar.h> 56 57#include <arch/x68k/dev/intiovar.h> 58 59#include <arch/x68k/dev/slhci_intio_var.h> 60 61static int slhci_intio_match(struct device *, struct cfdata *, void *); 62static void slhci_intio_attach(struct device *, struct device *, void *); 63static void slhci_intio_enable_power(void *, int); 64static void slhci_intio_enable_intr(void *, int); 65static int slhci_intio_intr(void *); 66 67CFATTACH_DECL(slhci_intio, sizeof(struct slhci_intio_softc), 68 slhci_intio_match, slhci_intio_attach, NULL, NULL); 69 70static int 71slhci_intio_match(struct device *parent, struct cfdata *cf, void *aux) 72{ 73 struct intio_attach_args *ia = aux; 74 bus_space_tag_t iot = ia->ia_bst; 75 bus_space_handle_t ioh; 76 bus_space_handle_t nch; 77 int nc_addr; 78 int nc_size; 79 80 if (ia->ia_addr == INTIOCF_ADDR_DEFAULT) 81 ia->ia_addr = SLHCI_INTIO_ADDR1; 82 if (ia->ia_intr == INTIOCF_INTR_DEFAULT) 83 ia->ia_intr = SLHCI_INTIO_INTR1; 84 85 /* fixed parameters */ 86 if ( !(ia->ia_addr == SLHCI_INTIO_ADDR1 && 87 ia->ia_intr == SLHCI_INTIO_INTR1 ) && 88 !(ia->ia_addr == SLHCI_INTIO_ADDR2 && 89 ia->ia_intr == SLHCI_INTIO_INTR2 ) ) 90 return 0; 91 92 /* Whether the control port is accessible or not */ 93 nc_addr = ia->ia_addr + NEREID_ADDR_OFFSET; 94 nc_size = 0x02; 95 if (badbaddr((caddr_t)INTIO_ADDR(nc_addr))) 96 return 0; 97 98 /* Map two I/O spaces */ 99 ia->ia_size = SL11_PORTSIZE * 2; 100 if (bus_space_map(iot, ia->ia_addr, ia->ia_size, 101 BUS_SPACE_MAP_SHIFTED, &ioh)) 102 return 0; 103 104 if (bus_space_map(iot, nc_addr, nc_size, 105 BUS_SPACE_MAP_SHIFTED, &nch)) 106 return 0; 107 108 bus_space_unmap(iot, ioh, ia->ia_size); 109 bus_space_unmap(iot, nch, nc_size); 110 111 return 1; 112} 113 114static void 115slhci_intio_attach(struct device *parent, struct device *self, void *aux) 116{ 117 struct slhci_intio_softc *sc = (struct slhci_intio_softc *)self; 118 struct intio_attach_args *ia = aux; 119 bus_space_tag_t iot = ia->ia_bst; 120 bus_space_handle_t ioh; 121 int nc_addr; 122 int nc_size; 123 124 printf(": Nereid USB\n"); 125 126 /* Map I/O space */ 127 if (bus_space_map(iot, ia->ia_addr, SL11_PORTSIZE * 2, 128 BUS_SPACE_MAP_SHIFTED, &ioh)) { 129 printf("%s: can't map I/O space\n", 130 sc->sc_sc.sc_bus.bdev.dv_xname); 131 return; 132 } 133 134 nc_addr = ia->ia_addr + NEREID_ADDR_OFFSET; 135 nc_size = 0x02; 136 if (bus_space_map(iot, nc_addr, nc_size, 137 BUS_SPACE_MAP_SHIFTED, &sc->sc_nch)) { 138 printf("%s: can't map I/O control space\n", 139 sc->sc_sc.sc_bus.bdev.dv_xname); 140 return; 141 } 142 143 /* Initialize sc */ 144 sc->sc_sc.sc_iot = iot; 145 sc->sc_sc.sc_ioh = ioh; 146 sc->sc_sc.sc_dmat = ia->ia_dmat; 147 sc->sc_sc.sc_enable_power = slhci_intio_enable_power; 148 sc->sc_sc.sc_enable_intr = slhci_intio_enable_intr; 149 sc->sc_sc.sc_arg = sc; 150 151 /* Establish the interrupt handler */ 152 if (intio_intr_establish(ia->ia_intr, "slhci", slhci_intio_intr, sc)) { 153 printf("%s: can't establish interrupt\n", 154 sc->sc_sc.sc_bus.bdev.dv_xname); 155 return; 156 } 157 158 /* Reset controller */ 159 bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL, NEREID_CTRL_RESET); 160 delay(40000); 161 162 /* Attach SL811HS/T */ 163 if (slhci_attach(&sc->sc_sc, self)) 164 return; 165} 166 167static void 168slhci_intio_enable_power(void *arg, int mode) 169{ 170 struct slhci_intio_softc *sc = arg; 171 bus_space_tag_t iot = sc->sc_sc.sc_iot; 172 u_int8_t r; 173 174 r = bus_space_read_1(iot, sc->sc_nch, NEREID_CTRL); 175 if (mode == POWER_ON) 176 bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL, 177 r | NEREID_CTRL_POWER); 178 else 179 bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL, 180 r & ~NEREID_CTRL_POWER); 181} 182 183static void 184slhci_intio_enable_intr(void *arg, int mode) 185{ 186 struct slhci_intio_softc *sc = arg; 187 bus_space_tag_t iot = sc->sc_sc.sc_iot; 188 u_int8_t r; 189 190 r = bus_space_read_1(iot, sc->sc_nch, NEREID_CTRL); 191 if (mode == INTR_ON) 192 bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL, 193 r | NEREID_CTRL_INTR); 194 else 195 bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL, 196 r & ~NEREID_CTRL_INTR); 197} 198 199static int 200slhci_intio_intr(void *arg) 201{ 202 struct slhci_intio_softc *sc = arg; 203 204 return slhci_intr(&sc->sc_sc); 205} 206