1 1.12 chs /* $NetBSD: ucbio.c,v 1.12 2012/10/27 17:17:53 chs Exp $ */ 2 1.1 uch 3 1.2 uch /*- 4 1.2 uch * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 1.1 uch * All rights reserved. 6 1.1 uch * 7 1.2 uch * This code is derived from software contributed to The NetBSD Foundation 8 1.2 uch * by UCHIYAMA Yasushi. 9 1.2 uch * 10 1.1 uch * Redistribution and use in source and binary forms, with or without 11 1.1 uch * modification, are permitted provided that the following conditions 12 1.1 uch * are met: 13 1.1 uch * 1. Redistributions of source code must retain the above copyright 14 1.1 uch * notice, this list of conditions and the following disclaimer. 15 1.2 uch * 2. Redistributions in binary form must reproduce the above copyright 16 1.2 uch * notice, this list of conditions and the following disclaimer in the 17 1.2 uch * documentation and/or other materials provided with the distribution. 18 1.1 uch * 19 1.2 uch * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2 uch * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2 uch * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2 uch * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2 uch * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2 uch * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2 uch * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2 uch * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2 uch * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2 uch * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2 uch * POSSIBILITY OF SUCH DAMAGE. 30 1.1 uch */ 31 1.1 uch 32 1.1 uch /* 33 1.1 uch * Device driver for PHILIPS UCB1200 Advanced modem/audio analog front-end 34 1.1 uch * General Purpose I/O part. 35 1.1 uch */ 36 1.8 lukem 37 1.8 lukem #include <sys/cdefs.h> 38 1.12 chs __KERNEL_RCSID(0, "$NetBSD: ucbio.c,v 1.12 2012/10/27 17:17:53 chs Exp $"); 39 1.1 uch 40 1.1 uch #include <sys/param.h> 41 1.1 uch #include <sys/systm.h> 42 1.1 uch #include <sys/device.h> 43 1.1 uch 44 1.1 uch #include <machine/bus.h> 45 1.1 uch #include <machine/intr.h> 46 1.1 uch 47 1.1 uch #include <hpcmips/tx/tx39var.h> 48 1.1 uch #include <hpcmips/tx/tx39sibvar.h> 49 1.1 uch #include <hpcmips/tx/tx39sibreg.h> 50 1.1 uch 51 1.1 uch #include <hpcmips/dev/ucb1200var.h> 52 1.1 uch #include <hpcmips/dev/ucb1200reg.h> 53 1.1 uch 54 1.3 uch #include <dev/hpc/hpciovar.h> /* I/O manager */ 55 1.3 uch 56 1.5 uch #include <machine/debug.h> 57 1.5 uch 58 1.12 chs int ucbio_match(device_t, cfdata_t, void *); 59 1.12 chs void ucbio_attach(device_t, device_t, void *); 60 1.1 uch 61 1.2 uch struct betty_port_status { 62 1.2 uch u_int16_t dir; 63 1.2 uch u_int16_t in, out; 64 1.2 uch }; 65 1.1 uch 66 1.2 uch struct ucbio_softc { 67 1.12 chs device_t sc_dev; 68 1.2 uch tx_chipset_tag_t sc_tc; 69 1.1 uch 70 1.2 uch struct betty_port_status sc_stat, sc_ostat; 71 1.3 uch struct hpcio_chip sc_hc; 72 1.1 uch }; 73 1.1 uch 74 1.12 chs CFATTACH_DECL_NEW(ucbio, sizeof(struct ucbio_softc), 75 1.7 thorpej ucbio_match, ucbio_attach, NULL, NULL); 76 1.1 uch 77 1.2 uch /* I/O */ 78 1.3 uch static int betty_in(hpcio_chip_t, int); 79 1.3 uch static void betty_out(hpcio_chip_t, int, int); 80 1.2 uch /* interrupt */ 81 1.3 uch static hpcio_intr_handle_t betty_intr_establish(hpcio_chip_t, int, int, 82 1.3 uch int (*)(void *), void *); 83 1.3 uch static void betty_intr_disestablish(hpcio_chip_t, void *); 84 1.2 uch /* debug */ 85 1.3 uch static void betty_update(hpcio_chip_t); 86 1.3 uch static void betty_dump(hpcio_chip_t); 87 1.1 uch 88 1.1 uch int 89 1.12 chs ucbio_match(device_t parent, cfdata_t cf, void *aux) 90 1.1 uch { 91 1.3 uch return (1); 92 1.1 uch } 93 1.1 uch 94 1.1 uch void 95 1.12 chs ucbio_attach(device_t parent, device_t self, void *aux) 96 1.1 uch { 97 1.1 uch struct ucb1200_attach_args *ucba = aux; 98 1.12 chs struct ucbio_softc *sc = device_private(self); 99 1.3 uch struct hpcio_chip *hc = &sc->sc_hc; 100 1.1 uch 101 1.12 chs sc->sc_dev = self; 102 1.2 uch sc->sc_tc = ucba->ucba_tc; 103 1.1 uch printf("\n"); 104 1.2 uch 105 1.3 uch hc->hc_sc = sc; 106 1.3 uch hc->hc_chipid = 2; 107 1.3 uch hc->hc_name = "UCB1200"; 108 1.3 uch hc->hc_portread = betty_in; 109 1.3 uch hc->hc_portwrite = betty_out; 110 1.3 uch hc->hc_intr_establish = betty_intr_establish; 111 1.3 uch hc->hc_intr_disestablish = betty_intr_disestablish; 112 1.3 uch hc->hc_update = betty_update; 113 1.3 uch hc->hc_dump = betty_dump; 114 1.2 uch 115 1.3 uch tx_conf_register_ioman(sc->sc_tc, hc); 116 1.2 uch 117 1.3 uch hpcio_update(hc); 118 1.3 uch hpcio_dump(hc); 119 1.2 uch } 120 1.2 uch 121 1.2 uch /* basic I/O */ 122 1.2 uch static void 123 1.3 uch betty_out(hpcio_chip_t hc, int port, int onoff) 124 1.2 uch { 125 1.3 uch struct ucbio_softc *sc = hc->hc_sc; 126 1.2 uch tx_chipset_tag_t tc = sc->sc_tc; 127 1.2 uch txreg_t reg, pos; 128 1.2 uch 129 1.2 uch pos = 1 << port; 130 1.2 uch reg = txsibsf0_reg_read(tc, UCB1200_IO_DATA_REG); 131 1.2 uch if (onoff) 132 1.2 uch reg |= pos; 133 1.2 uch else 134 1.2 uch reg &= ~pos; 135 1.2 uch txsibsf0_reg_write(tc, UCB1200_IO_DATA_REG, reg); 136 1.2 uch } 137 1.2 uch 138 1.2 uch static int 139 1.3 uch betty_in(hpcio_chip_t hc, int port) 140 1.2 uch { 141 1.3 uch struct ucbio_softc *sc = hc->hc_sc; 142 1.2 uch tx_chipset_tag_t tc = sc->sc_tc; 143 1.2 uch txreg_t reg = txsibsf0_reg_read(tc, UCB1200_IO_DATA_REG); 144 1.3 uch 145 1.3 uch return (reg & (1 << port)); 146 1.1 uch } 147 1.1 uch 148 1.2 uch /* interrupt method not implemented */ 149 1.3 uch static hpcio_intr_handle_t 150 1.3 uch betty_intr_establish(hpcio_chip_t hc, int port, int mode, int (*func)(void *), 151 1.3 uch void *func_arg) 152 1.1 uch { 153 1.3 uch struct ucbio_softc *sc = hc->hc_sc; 154 1.1 uch 155 1.12 chs printf("%s: %s not implemented.\n", device_xname(sc->sc_dev), 156 1.10 perry __func__); 157 1.3 uch 158 1.3 uch return (0); 159 1.2 uch } 160 1.1 uch 161 1.2 uch static void 162 1.3 uch betty_intr_disestablish(hpcio_chip_t hc, void *ih) 163 1.2 uch { 164 1.3 uch struct ucbio_softc *sc = hc->hc_sc; 165 1.3 uch 166 1.12 chs printf("%s: %s not implemented.\n", device_xname(sc->sc_dev), 167 1.10 perry __func__); 168 1.1 uch } 169 1.1 uch 170 1.2 uch /* debug */ 171 1.2 uch static void 172 1.3 uch betty_update(hpcio_chip_t hc) 173 1.1 uch { 174 1.3 uch struct ucbio_softc *sc = hc->hc_sc; 175 1.2 uch tx_chipset_tag_t tc = sc->sc_tc; 176 1.2 uch struct betty_port_status *stat = &sc->sc_stat; 177 1.2 uch u_int16_t dir, data; 178 1.1 uch 179 1.2 uch sc->sc_ostat = *stat; /* save old status */ 180 1.2 uch dir = stat->dir = txsibsf0_reg_read(tc, UCB1200_IO_DIR_REG); 181 1.2 uch data = txsibsf0_reg_read(tc, UCB1200_IO_DATA_REG); 182 1.2 uch stat->out = data & dir; 183 1.2 uch stat->in = data & ~dir; 184 1.2 uch } 185 1.2 uch 186 1.2 uch static void 187 1.3 uch betty_dump(hpcio_chip_t hc) 188 1.2 uch { 189 1.5 uch #ifdef UCBIO_DEBUG 190 1.3 uch struct ucbio_softc *sc = hc->hc_sc; 191 1.2 uch struct betty_port_status *stat = &sc->sc_stat; 192 1.2 uch 193 1.2 uch printf("[BETTY I/O]\n"); 194 1.2 uch printf("IN "); 195 1.5 uch dbg_bit_print(stat->in); 196 1.2 uch printf("OUT "); 197 1.5 uch dbg_bit_print(stat->out); 198 1.2 uch printf("DIR "); 199 1.5 uch dbg_bit_print(stat->dir); 200 1.5 uch #endif /* UCBIO_DEBUG */ 201 1.1 uch } 202