pfckbd.c revision 1.2.4.2
1 1.2.4.2 bouyer /* $NetBSD: pfckbd.c,v 1.2.4.2 2001/03/12 13:28:51 bouyer Exp $ */ 2 1.2.4.2 bouyer 3 1.2.4.2 bouyer /*- 4 1.2.4.2 bouyer * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 1.2.4.2 bouyer * All rights reserved. 6 1.2.4.2 bouyer * 7 1.2.4.2 bouyer * This code is derived from software contributed to The NetBSD Foundation 8 1.2.4.2 bouyer * by UCHIYAMA Yasushi. 9 1.2.4.2 bouyer * 10 1.2.4.2 bouyer * Redistribution and use in source and binary forms, with or without 11 1.2.4.2 bouyer * modification, are permitted provided that the following conditions 12 1.2.4.2 bouyer * are met: 13 1.2.4.2 bouyer * 1. Redistributions of source code must retain the above copyright 14 1.2.4.2 bouyer * notice, this list of conditions and the following disclaimer. 15 1.2.4.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.4.2 bouyer * notice, this list of conditions and the following disclaimer in the 17 1.2.4.2 bouyer * documentation and/or other materials provided with the distribution. 18 1.2.4.2 bouyer * 3. All advertising materials mentioning features or use of this software 19 1.2.4.2 bouyer * must display the following acknowledgement: 20 1.2.4.2 bouyer * This product includes software developed by the NetBSD 21 1.2.4.2 bouyer * Foundation, Inc. and its contributors. 22 1.2.4.2 bouyer * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.2.4.2 bouyer * contributors may be used to endorse or promote products derived 24 1.2.4.2 bouyer * from this software without specific prior written permission. 25 1.2.4.2 bouyer * 26 1.2.4.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.2.4.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.2.4.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.2.4.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.2.4.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.2.4.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.2.4.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.2.4.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.2.4.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.2.4.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.2.4.2 bouyer * POSSIBILITY OF SUCH DAMAGE. 37 1.2.4.2 bouyer */ 38 1.2.4.2 bouyer #define PFCKBD_DEBUG 39 1.2.4.2 bouyer 40 1.2.4.2 bouyer #include <sys/param.h> 41 1.2.4.2 bouyer #include <sys/systm.h> 42 1.2.4.2 bouyer #include <sys/device.h> 43 1.2.4.2 bouyer #include <sys/callout.h> 44 1.2.4.2 bouyer 45 1.2.4.2 bouyer #include <machine/bus.h> 46 1.2.4.2 bouyer #include <dev/hpc/hpckbdvar.h> 47 1.2.4.2 bouyer 48 1.2.4.2 bouyer #include <sh3/pfcreg.h> 49 1.2.4.2 bouyer 50 1.2.4.2 bouyer #include <hpcsh/dev/pfckbdvar.h> 51 1.2.4.2 bouyer 52 1.2.4.2 bouyer #ifdef PFCKBD_DEBUG 53 1.2.4.2 bouyer int pfckbd_debug = 0; 54 1.2.4.2 bouyer #define DPRINTF(fmt, args...) \ 55 1.2.4.2 bouyer if (pfckbd_debug) \ 56 1.2.4.2 bouyer printf("%s: " fmt, __FUNCTION__ , ##args) 57 1.2.4.2 bouyer #define DPRINTFN(n, arg) \ 58 1.2.4.2 bouyer if (pfckbd_debug > (n)) \ 59 1.2.4.2 bouyer printf("%s: " fmt, __FUNCTION__ , ##args) 60 1.2.4.2 bouyer #else 61 1.2.4.2 bouyer #define DPRINTF(arg...) ((void)0) 62 1.2.4.2 bouyer #define DPRINTFN(n, arg...) ((void)0) 63 1.2.4.2 bouyer #endif 64 1.2.4.2 bouyer 65 1.2.4.2 bouyer static int pfckbd_match(struct device *, struct cfdata *, void *); 66 1.2.4.2 bouyer static void pfckbd_attach(struct device *, struct device *, void *); 67 1.2.4.2 bouyer 68 1.2.4.2 bouyer static struct pfckbd_core { 69 1.2.4.2 bouyer int pc_attached; 70 1.2.4.2 bouyer int pc_enabled; 71 1.2.4.2 bouyer struct callout pc_soft_ch; 72 1.2.4.2 bouyer struct hpckbd_ic_if pc_if; 73 1.2.4.2 bouyer struct hpckbd_if *pc_hpckbd; 74 1.2.4.2 bouyer u_int16_t pc_column[8]; 75 1.2.4.2 bouyer } pfckbd_core; 76 1.2.4.2 bouyer 77 1.2.4.2 bouyer struct pfckbd_softc { 78 1.2.4.2 bouyer struct device sc_dev; 79 1.2.4.2 bouyer }; 80 1.2.4.2 bouyer 81 1.2.4.2 bouyer struct cfattach pfckbd_ca = { 82 1.2.4.2 bouyer sizeof(struct pfckbd_softc), pfckbd_match, pfckbd_attach 83 1.2.4.2 bouyer }; 84 1.2.4.2 bouyer 85 1.2.4.2 bouyer static int pfckbd_poll(void *); 86 1.2.4.2 bouyer static void pfckbd_soft(void *); 87 1.2.4.2 bouyer static void pfckbd_ifsetup(struct pfckbd_core *); 88 1.2.4.2 bouyer static int pfckbd_input_establish(void *, struct hpckbd_if *); 89 1.2.4.2 bouyer 90 1.2.4.2 bouyer /* 91 1.2.4.2 bouyer * matrix scan keyboard connected to SH3 PFC module. 92 1.2.4.2 bouyer * currently, HP Jornada 690 only. 93 1.2.4.2 bouyer */ 94 1.2.4.2 bouyer void 95 1.2.4.2 bouyer pfckbd_cnattach() 96 1.2.4.2 bouyer { 97 1.2.4.2 bouyer struct pfckbd_core *pc = &pfckbd_core; 98 1.2.4.2 bouyer 99 1.2.4.2 bouyer /* initialize interface */ 100 1.2.4.2 bouyer pfckbd_ifsetup(pc); 101 1.2.4.2 bouyer hpckbd_cnattach(&pc->pc_if); 102 1.2.4.2 bouyer } 103 1.2.4.2 bouyer 104 1.2.4.2 bouyer static int 105 1.2.4.2 bouyer pfckbd_match(struct device *parent, struct cfdata *cf, void *aux) 106 1.2.4.2 bouyer { 107 1.2.4.2 bouyer 108 1.2.4.2 bouyer return !pfckbd_core.pc_attached; 109 1.2.4.2 bouyer } 110 1.2.4.2 bouyer 111 1.2.4.2 bouyer static void 112 1.2.4.2 bouyer pfckbd_attach(struct device *parent, struct device *self, void *aux) 113 1.2.4.2 bouyer { 114 1.2.4.2 bouyer struct hpckbd_attach_args haa; 115 1.2.4.2 bouyer 116 1.2.4.2 bouyer printf("\n"); 117 1.2.4.2 bouyer 118 1.2.4.2 bouyer /* pfckbd is singleton. no more attach */ 119 1.2.4.2 bouyer pfckbd_core.pc_attached = 1; 120 1.2.4.2 bouyer 121 1.2.4.2 bouyer pfckbd_ifsetup(&pfckbd_core); 122 1.2.4.2 bouyer 123 1.2.4.2 bouyer /* attach hpckbd */ 124 1.2.4.2 bouyer haa.haa_ic = &pfckbd_core.pc_if; /* tell the hpckbd to my interface */ 125 1.2.4.2 bouyer config_found(self, &haa, hpckbd_print); 126 1.2.4.2 bouyer 127 1.2.4.2 bouyer /* install callout handler */ 128 1.2.4.2 bouyer callout_init(&pfckbd_core.pc_soft_ch); 129 1.2.4.2 bouyer callout_reset(&pfckbd_core.pc_soft_ch, 1, pfckbd_soft, &pfckbd_core); 130 1.2.4.2 bouyer } 131 1.2.4.2 bouyer 132 1.2.4.2 bouyer static int 133 1.2.4.2 bouyer pfckbd_input_establish(void *ic, struct hpckbd_if *kbdif) 134 1.2.4.2 bouyer { 135 1.2.4.2 bouyer struct pfckbd_core *pc = ic; 136 1.2.4.2 bouyer 137 1.2.4.2 bouyer /* save hpckbd interface */ 138 1.2.4.2 bouyer pc->pc_hpckbd = kbdif; 139 1.2.4.2 bouyer /* ok to transact hpckbd */ 140 1.2.4.2 bouyer pc->pc_enabled = 1; 141 1.2.4.2 bouyer 142 1.2.4.2 bouyer return 0; 143 1.2.4.2 bouyer } 144 1.2.4.2 bouyer 145 1.2.4.2 bouyer static int 146 1.2.4.2 bouyer pfckbd_poll(void *arg) 147 1.2.4.2 bouyer { 148 1.2.4.2 bouyer struct pfckbd_core *pc = arg; 149 1.2.4.2 bouyer 150 1.2.4.2 bouyer if (pc->pc_enabled) 151 1.2.4.2 bouyer pfckbd_soft(arg); 152 1.2.4.2 bouyer 153 1.2.4.2 bouyer return 0; 154 1.2.4.2 bouyer } 155 1.2.4.2 bouyer 156 1.2.4.2 bouyer static void 157 1.2.4.2 bouyer pfckbd_ifsetup(struct pfckbd_core *pc) 158 1.2.4.2 bouyer { 159 1.2.4.2 bouyer int i; 160 1.2.4.2 bouyer 161 1.2.4.2 bouyer pc->pc_if.hii_ctx = pc; 162 1.2.4.2 bouyer pc->pc_if.hii_establish = pfckbd_input_establish; 163 1.2.4.2 bouyer pc->pc_if.hii_poll = pfckbd_poll; 164 1.2.4.2 bouyer for (i = 0; i < 8; i++) 165 1.2.4.2 bouyer pc->pc_column[i] = 0xdfff; 166 1.2.4.2 bouyer } 167 1.2.4.2 bouyer 168 1.2.4.2 bouyer static void 169 1.2.4.2 bouyer pfckbd_soft(void *arg) 170 1.2.4.2 bouyer { 171 1.2.4.2 bouyer static const struct { 172 1.2.4.2 bouyer u_int8_t d, e; 173 1.2.4.2 bouyer } scan[] = { 174 1.2.4.2 bouyer { 0xfd, 0xff }, 175 1.2.4.2 bouyer { 0xdf, 0xff }, 176 1.2.4.2 bouyer { 0xff, 0xfd }, 177 1.2.4.2 bouyer { 0xff, 0xbf }, 178 1.2.4.2 bouyer { 0xff, 0x7f }, 179 1.2.4.2 bouyer { 0xff, 0xf7 }, 180 1.2.4.2 bouyer { 0xff, 0xfe }, 181 1.2.4.2 bouyer { 0x7f, 0xff }, 182 1.2.4.2 bouyer }; 183 1.2.4.2 bouyer struct pfckbd_core *pc = arg; 184 1.2.4.2 bouyer struct hpckbd_if *hpckbd = pc->pc_hpckbd; 185 1.2.4.2 bouyer u_int16_t *buf = pc->pc_column; 186 1.2.4.2 bouyer int row, column, type, val; 187 1.2.4.2 bouyer u_int16_t data, edge, mask; 188 1.2.4.2 bouyer 189 1.2.4.2 bouyer if (!pc->pc_enabled) 190 1.2.4.2 bouyer goto reinstall; 191 1.2.4.2 bouyer 192 1.2.4.2 bouyer for (column = 0; column < 8; column++) { 193 1.2.4.2 bouyer SHREG_PDDR = scan[column].d; 194 1.2.4.2 bouyer SHREG_PEDR = scan[column].e; 195 1.2.4.2 bouyer delay(50); 196 1.2.4.2 bouyer data = SHREG_PFDR | (SHREG_PCDR << 8); 197 1.2.4.2 bouyer 198 1.2.4.2 bouyer if ((edge = (data ^ buf[column]))) { 199 1.2.4.2 bouyer buf[column] = data; 200 1.2.4.2 bouyer 201 1.2.4.2 bouyer for (row = 0, mask = 1; row < 16; row++, mask <<= 1) { 202 1.2.4.2 bouyer if (mask & edge) { 203 1.2.4.2 bouyer type = mask & data ? 0 : 1; 204 1.2.4.2 bouyer val = row * 8 + column; 205 1.2.4.2 bouyer DPRINTF("(%2d, %2d) %d \n", 206 1.2.4.2 bouyer row, column, type); 207 1.2.4.2 bouyer hpckbd_input(hpckbd, type, val); 208 1.2.4.2 bouyer } 209 1.2.4.2 bouyer } 210 1.2.4.2 bouyer } 211 1.2.4.2 bouyer } 212 1.2.4.2 bouyer 213 1.2.4.2 bouyer SHREG_PDDR = 0xff; 214 1.2.4.2 bouyer SHREG_PEDR = 0xff; 215 1.2.4.2 bouyer data = SHREG_PGDR | (SHREG_PHDR << 8); 216 1.2.4.2 bouyer 217 1.2.4.2 bouyer reinstall: 218 1.2.4.2 bouyer callout_reset(&pc->pc_soft_ch, 1, pfckbd_soft, pc); 219 1.2.4.2 bouyer } 220
Indexes created Tue Sep 30 07:10:03 GMT 2025