slhci_intio.c revision 1.1.2.2
1 /* $NetBSD: slhci_intio.c,v 1.1.2.2 2002/08/13 02:19:09 nathanw 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 61 static int slhci_intio_match(struct device *, struct cfdata *, void *); 62 static void slhci_intio_attach(struct device *, struct device *, void *); 63 static void slhci_intio_enable_power(void *, int); 64 static void slhci_intio_enable_intr(void *, int); 65 static int slhci_intio_intr(void *); 66 67 struct cfattach slhci_intio_ca = { 68 sizeof(struct slhci_intio_softc), slhci_intio_match, slhci_intio_attach 69 }; 70 71 static int 72 slhci_intio_match(struct device *parent, struct cfdata *cf, void *aux) 73 { 74 struct intio_attach_args *ia = aux; 75 bus_space_tag_t iot = ia->ia_bst; 76 bus_space_handle_t ioh; 77 bus_space_handle_t nch; 78 int nc_addr; 79 int nc_size; 80 81 if (ia->ia_addr == INTIOCF_ADDR_DEFAULT) 82 ia->ia_addr = SLHCI_INTIO_ADDR1; 83 if (ia->ia_intr == INTIOCF_INTR_DEFAULT) 84 ia->ia_intr = SLHCI_INTIO_INTR1; 85 86 /* fixed parameters */ 87 if ( !(ia->ia_addr == SLHCI_INTIO_ADDR1 && 88 ia->ia_intr == SLHCI_INTIO_INTR1 ) && 89 !(ia->ia_addr == SLHCI_INTIO_ADDR2 && 90 ia->ia_intr == SLHCI_INTIO_INTR2 ) ) 91 return 0; 92 93 /* Whether the control port is accessible or not */ 94 nc_addr = ia->ia_addr + NEREID_ADDR_OFFSET; 95 nc_size = 0x02; 96 if (badbaddr((caddr_t)INTIO_ADDR(nc_addr))) 97 return 0; 98 99 /* Map two I/O spaces */ 100 ia->ia_size = SL11_PORTSIZE * 2; 101 if (bus_space_map(iot, ia->ia_addr, ia->ia_size, 102 BUS_SPACE_MAP_SHIFTED, &ioh)) 103 return 0; 104 105 if (bus_space_map(iot, nc_addr, nc_size, 106 BUS_SPACE_MAP_SHIFTED, &nch)) 107 return 0; 108 109 bus_space_unmap(iot, ioh, ia->ia_size); 110 bus_space_unmap(iot, nch, nc_size); 111 112 return 1; 113 } 114 115 static void 116 slhci_intio_attach(struct device *parent, struct device *self, void *aux) 117 { 118 struct slhci_intio_softc *sc = (struct slhci_intio_softc *)self; 119 struct intio_attach_args *ia = aux; 120 bus_space_tag_t iot = ia->ia_bst; 121 bus_space_handle_t ioh; 122 int nc_addr; 123 int nc_size; 124 125 printf(": Nereid USB\n"); 126 127 /* Map I/O space */ 128 if (bus_space_map(iot, ia->ia_addr, SL11_PORTSIZE * 2, 129 BUS_SPACE_MAP_SHIFTED, &ioh)) { 130 printf("%s: can't map I/O space\n", 131 sc->sc_sc.sc_bus.bdev.dv_xname); 132 return; 133 } 134 135 nc_addr = ia->ia_addr + NEREID_ADDR_OFFSET; 136 nc_size = 0x02; 137 if (bus_space_map(iot, nc_addr, nc_size, 138 BUS_SPACE_MAP_SHIFTED, &sc->sc_nch)) { 139 printf("%s: can't map I/O control space\n", 140 sc->sc_sc.sc_bus.bdev.dv_xname); 141 return; 142 } 143 144 /* Initialize sc */ 145 sc->sc_sc.sc_iot = iot; 146 sc->sc_sc.sc_ioh = ioh; 147 sc->sc_sc.sc_dmat = ia->ia_dmat; 148 sc->sc_sc.sc_enable_power = slhci_intio_enable_power; 149 sc->sc_sc.sc_enable_intr = slhci_intio_enable_intr; 150 sc->sc_sc.sc_arg = sc; 151 152 /* Establish the interrupt handler */ 153 if (intio_intr_establish(ia->ia_intr, "slhci", slhci_intio_intr, sc)) { 154 printf("%s: can't establish interrupt\n", 155 sc->sc_sc.sc_bus.bdev.dv_xname); 156 return; 157 } 158 159 /* Reset controller */ 160 bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL, NEREID_CTRL_RESET); 161 delay(40000); 162 163 /* Attach SL811HS/T */ 164 if (slhci_attach(&sc->sc_sc, self)) 165 return; 166 } 167 168 static void 169 slhci_intio_enable_power(void *arg, int mode) 170 { 171 struct slhci_intio_softc *sc = arg; 172 bus_space_tag_t iot = sc->sc_sc.sc_iot; 173 u_int8_t r; 174 175 r = bus_space_read_1(iot, sc->sc_nch, NEREID_CTRL); 176 if (mode == POWER_ON) 177 bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL, 178 r | NEREID_CTRL_POWER); 179 else 180 bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL, 181 r & ~NEREID_CTRL_POWER); 182 } 183 184 static void 185 slhci_intio_enable_intr(void *arg, int mode) 186 { 187 struct slhci_intio_softc *sc = arg; 188 bus_space_tag_t iot = sc->sc_sc.sc_iot; 189 u_int8_t r; 190 191 r = bus_space_read_1(iot, sc->sc_nch, NEREID_CTRL); 192 if (mode == INTR_ON) 193 bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL, 194 r | NEREID_CTRL_INTR); 195 else 196 bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL, 197 r & ~NEREID_CTRL_INTR); 198 } 199 200 static int 201 slhci_intio_intr(void *arg) 202 { 203 struct slhci_intio_softc *sc = arg; 204 205 return slhci_intr(&sc->sc_sc); 206 } 207
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