1 /* $NetBSD: tx39ir.c,v 1.1 2000/01/13 17:53:35 uch Exp $ */ 2 3 /* 4 * Copyright (c) 2000, by UCHIYAMA Yasushi 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. The name of the developer may NOT be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 */ 28 29 /* 30 * TX39 IR module (connected to UARTB) 31 */ 32 #undef TX39IRDEBUG 33 #include "opt_tx39_debug.h" 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/device.h> 38 39 #include <machine/bus.h> 40 #include <machine/intr.h> 41 42 #include <hpcmips/tx/tx39var.h> 43 #include <hpcmips/tx/tx39icureg.h> 44 #include <hpcmips/tx/tx39irvar.h> 45 #include <hpcmips/tx/tx39irreg.h> 46 47 #include <hpcmips/tx/tx39clockreg.h> /* XXX */ 48 49 #ifdef TX39IRDEBUG 50 int tx39ir_debug = 1; 51 #define DPRINTF(arg) if (vrpiu_debug) printf arg; 52 #else 53 #define DPRINTF(arg) 54 #endif 55 56 int tx39ir_match __P((struct device*, struct cfdata*, void*)); 57 void tx39ir_attach __P((struct device*, struct device*, void*)); 58 59 struct tx39ir_softc { 60 struct device sc_dev; 61 struct device *sc_parent; 62 tx_chipset_tag_t sc_tc; 63 }; 64 65 void tx39ir_dump __P((struct tx39ir_softc*)); 66 int tx39ir_intr __P((void*)); 67 68 struct cfattach tx39ir_ca = { 69 sizeof(struct tx39ir_softc), tx39ir_match, tx39ir_attach 70 }; 71 72 int 73 tx39ir_match(parent, cf, aux) 74 struct device *parent; 75 struct cfdata *cf; 76 void *aux; 77 { 78 return 1; 79 } 80 81 void 82 tx39ir_attach(parent, self, aux) 83 struct device *parent; 84 struct device *self; 85 void *aux; 86 { 87 struct txcom_attach_args *tca = aux; 88 struct tx39ir_softc *sc = (void*)self; 89 tx_chipset_tag_t tc; 90 txreg_t reg; 91 92 sc->sc_tc = tc = tca->tca_tc; 93 sc->sc_parent = tca->tca_parent; 94 95 printf("\n"); 96 97 /* setup IR module */ 98 reg = tx_conf_read(tc, TX39_IRCTRL1_REG); 99 reg |= TX39_IRCTRL1_RXPWR; 100 tx_conf_write(tc, TX39_IRCTRL1_REG, reg); 101 102 /* power up IR module */ 103 reg = tx_conf_read(tc, TX39_CLOCKCTRL_REG); 104 reg |= TX39_CLOCK_ENIRCLK | TX39_CLOCK_ENUARTBCLK; 105 tx_conf_write(tc, TX39_CLOCKCTRL_REG, reg); 106 107 /* turn to pulse mode UARTB */ 108 txcom_pulse_mode(sc->sc_parent); 109 110 #if not_required_yet 111 tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_CARSTINT), 112 IST_EDGE, IPL_TTY, tx39ir_intr, sc); 113 tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_POSCARINT), 114 IST_EDGE, IPL_TTY, tx39ir_intr, sc); 115 tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_NEGCARINT), 116 IST_EDGE, IPL_TTY, tx39ir_intr, sc); 117 #endif 118 119 #ifdef TX39IRDEBUG 120 tx39ir_dump(sc); 121 #endif 122 } 123 124 #define ISSETPRINT(r, m) __is_set_print((u_int32_t)(r), \ 125 TX39_IRCTRL1_##m, #m) 126 127 void 128 tx39ir_dump(sc) 129 struct tx39ir_softc *sc; 130 { 131 tx_chipset_tag_t tc = sc->sc_tc; 132 txreg_t reg; 133 134 reg = tx_conf_read(tc, TX39_IRCTRL1_REG); 135 ISSETPRINT(reg, CARDET); 136 ISSETPRINT(reg, TESTIR); 137 ISSETPRINT(reg, DTINVERT); 138 ISSETPRINT(reg, RXPWR); 139 ISSETPRINT(reg, ENSTATE); 140 ISSETPRINT(reg, ENCOMSM); 141 printf("baudval %d\n", TX39_IRCTRL1_BAUDVAL(reg)); 142 } 143 144 int 145 tx39ir_intr(arg) 146 void *arg; 147 { 148 return 0; 149 } 150