slhci_intio.c revision 1.9.18.1
1 /* $NetBSD: slhci_intio.c,v 1.9.18.1 2008/05/18 12:33:00 yamt 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * USB part of Nereid Ethernet/USB/Memory board 34 */ 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: slhci_intio.c,v 1.9.18.1 2008/05/18 12:33:00 yamt Exp $"); 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/device.h> 42 43 #include <machine/bus.h> 44 #include <machine/cpu.h> 45 46 #include <dev/usb/usb.h> 47 #include <dev/usb/usbdi.h> 48 #include <dev/usb/usbdivar.h> 49 50 #include <dev/ic/sl811hsreg.h> 51 #include <dev/ic/sl811hsvar.h> 52 53 #include <arch/x68k/dev/intiovar.h> 54 55 #include <arch/x68k/dev/slhci_intio_var.h> 56 57 static int slhci_intio_match(struct device *, struct cfdata *, void *); 58 static void slhci_intio_attach(struct device *, struct device *, void *); 59 static void slhci_intio_enable_power(void *, enum power_change); 60 static void slhci_intio_enable_intr(void *, int); 61 62 CFATTACH_DECL(slhci_intio, sizeof(struct slhci_intio_softc), 63 slhci_intio_match, slhci_intio_attach, NULL, NULL); 64 65 #define INTR_ON 1 66 #define INTR_OFF 0 67 68 static int 69 slhci_intio_match(struct device *parent, struct cfdata *cf, void *aux) 70 { 71 struct intio_attach_args *ia = aux; 72 bus_space_tag_t iot = ia->ia_bst; 73 bus_space_handle_t ioh; 74 bus_space_handle_t nch; 75 int nc_addr; 76 int nc_size; 77 78 if (ia->ia_addr == INTIOCF_ADDR_DEFAULT) 79 ia->ia_addr = SLHCI_INTIO_ADDR1; 80 if (ia->ia_intr == INTIOCF_INTR_DEFAULT) 81 ia->ia_intr = SLHCI_INTIO_INTR1; 82 83 /* fixed parameters */ 84 if ( !(ia->ia_addr == SLHCI_INTIO_ADDR1 && 85 ia->ia_intr == SLHCI_INTIO_INTR1 ) && 86 !(ia->ia_addr == SLHCI_INTIO_ADDR2 && 87 ia->ia_intr == SLHCI_INTIO_INTR2 ) ) 88 return 0; 89 90 /* Whether the control port is accessible or not */ 91 nc_addr = ia->ia_addr + NEREID_ADDR_OFFSET; 92 nc_size = 0x02; 93 if (badbaddr(INTIO_ADDR(nc_addr))) 94 return 0; 95 96 /* Map two I/O spaces */ 97 ia->ia_size = SL11_PORTSIZE * 2; 98 if (bus_space_map(iot, ia->ia_addr, ia->ia_size, 99 BUS_SPACE_MAP_SHIFTED, &ioh)) 100 return 0; 101 102 if (bus_space_map(iot, nc_addr, nc_size, 103 BUS_SPACE_MAP_SHIFTED, &nch)) 104 return 0; 105 106 bus_space_unmap(iot, ioh, ia->ia_size); 107 bus_space_unmap(iot, nch, nc_size); 108 109 return 1; 110 } 111 112 static void 113 slhci_intio_attach(struct device *parent, struct device *self, void *aux) 114 { 115 struct slhci_intio_softc *sc = (struct slhci_intio_softc *)self; 116 struct intio_attach_args *ia = aux; 117 bus_space_tag_t iot = ia->ia_bst; 118 bus_space_handle_t ioh; 119 int nc_addr; 120 int nc_size; 121 122 printf(": Nereid USB\n"); 123 124 /* Map I/O space */ 125 if (bus_space_map(iot, ia->ia_addr, SL11_PORTSIZE * 2, 126 BUS_SPACE_MAP_SHIFTED, &ioh)) { 127 printf("%s: can't map I/O space\n", 128 sc->sc_sc.sc_bus.bdev.dv_xname); 129 return; 130 } 131 132 nc_addr = ia->ia_addr + NEREID_ADDR_OFFSET; 133 nc_size = 0x02; 134 if (bus_space_map(iot, nc_addr, nc_size, 135 BUS_SPACE_MAP_SHIFTED, &sc->sc_nch)) { 136 printf("%s: can't map I/O control space\n", 137 sc->sc_sc.sc_bus.bdev.dv_xname); 138 return; 139 } 140 141 /* Initialize sc */ 142 slhci_preinit(&sc->sc_sc, slhci_intio_enable_power, iot, ioh, 30, 143 SL11_IDX_DATA); 144 145 /* Establish the interrupt handler */ 146 if (intio_intr_establish(ia->ia_intr, "slhci", slhci_intr, sc)) { 147 printf("%s: can't establish interrupt\n", 148 sc->sc_sc.sc_bus.bdev.dv_xname); 149 return; 150 } 151 152 /* Reset controller */ 153 bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL, NEREID_CTRL_RESET); 154 delay(40000); 155 156 slhci_intio_enable_intr(sc, INTR_ON); 157 158 /* Attach SL811HS/T */ 159 if (slhci_attach(&sc->sc_sc)) 160 return; 161 } 162 163 static void 164 slhci_intio_enable_power(void *arg, enum power_change mode) 165 { 166 struct slhci_intio_softc *sc = arg; 167 bus_space_tag_t iot = sc->sc_sc.sc_iot; 168 u_int8_t r; 169 170 r = bus_space_read_1(iot, sc->sc_nch, NEREID_CTRL); 171 if (mode == POWER_ON) 172 bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL, 173 r | NEREID_CTRL_POWER); 174 else 175 bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL, 176 r & ~NEREID_CTRL_POWER); 177 } 178 179 static void 180 slhci_intio_enable_intr(void *arg, int mode) 181 { 182 struct slhci_intio_softc *sc = arg; 183 bus_space_tag_t iot = sc->sc_sc.sc_iot; 184 u_int8_t r; 185 186 r = bus_space_read_1(iot, sc->sc_nch, NEREID_CTRL); 187 if (mode == INTR_ON) 188 bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL, 189 r | NEREID_CTRL_INTR); 190 else 191 bus_space_write_1(iot, sc->sc_nch, NEREID_CTRL, 192 r & ~NEREID_CTRL_INTR); 193 } 194 195
Indexes created Sun Oct 12 09:09:55 GMT 2025