1 /*- 2 * Copyright (c) 1996-1999 3 * Kazutaka YOKOTA (yokota@zodiac.mech.utsunomiya-u.ac.jp) 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote 15 * products derived from this software without specific prior written 16 * permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD$ 31 * from kbdio.h,v 1.8 1998/09/25 11:55:46 yokota Exp 32 */ 33 34 #ifndef _DEV_KBD_ATKBDCREG_H_ 35 #define _DEV_KBD_ATKBDCREG_H_ 36 37 /* constants */ 38 39 /* I/O ports */ 40 #define KBD_STATUS_PORT 4 /* status port, read */ 41 #define KBD_COMMAND_PORT 4 /* controller command port, write */ 42 #define KBD_DATA_PORT 0 /* data port, read/write 43 * also used as keyboard command 44 * and mouse command port 45 */ 46 47 /* controller commands (sent to KBD_COMMAND_PORT) */ 48 #define KBDC_SET_COMMAND_BYTE 0x0060 49 #define KBDC_GET_COMMAND_BYTE 0x0020 50 #define KBDC_WRITE_TO_AUX 0x00d4 51 #define KBDC_DISABLE_AUX_PORT 0x00a7 52 #define KBDC_ENABLE_AUX_PORT 0x00a8 53 #define KBDC_TEST_AUX_PORT 0x00a9 54 #define KBDC_DIAGNOSE 0x00aa 55 #define KBDC_TEST_KBD_PORT 0x00ab 56 #define KBDC_DISABLE_KBD_PORT 0x00ad 57 #define KBDC_ENABLE_KBD_PORT 0x00ae 58 59 /* controller command byte (set by KBDC_SET_COMMAND_BYTE) */ 60 #define KBD_TRANSLATION 0x0040 61 #define KBD_RESERVED_BITS 0x0004 62 #define KBD_OVERRIDE_KBD_LOCK 0x0008 63 #define KBD_ENABLE_KBD_PORT 0x0000 64 #define KBD_DISABLE_KBD_PORT 0x0010 65 #define KBD_ENABLE_AUX_PORT 0x0000 66 #define KBD_DISABLE_AUX_PORT 0x0020 67 #define KBD_ENABLE_AUX_INT 0x0002 68 #define KBD_DISABLE_AUX_INT 0x0000 69 #define KBD_ENABLE_KBD_INT 0x0001 70 #define KBD_DISABLE_KBD_INT 0x0000 71 #define KBD_KBD_CONTROL_BITS (KBD_DISABLE_KBD_PORT | KBD_ENABLE_KBD_INT) 72 #define KBD_AUX_CONTROL_BITS (KBD_DISABLE_AUX_PORT | KBD_ENABLE_AUX_INT) 73 74 /* keyboard device commands (sent to KBD_DATA_PORT) */ 75 #define KBDC_RESET_KBD 0x00ff 76 #define KBDC_ENABLE_KBD 0x00f4 77 #define KBDC_DISABLE_KBD 0x00f5 78 #define KBDC_SET_DEFAULTS 0x00f6 79 #define KBDC_SEND_DEV_ID 0x00f2 80 #define KBDC_SET_LEDS 0x00ed 81 #define KBDC_ECHO 0x00ee 82 #define KBDC_SET_SCANCODE_SET 0x00f0 83 #define KBDC_SET_TYPEMATIC 0x00f3 84 85 /* aux device commands (sent to KBD_DATA_PORT) */ 86 #define PSMC_RESET_DEV 0x00ff 87 #define PSMC_ENABLE_DEV 0x00f4 88 #define PSMC_DISABLE_DEV 0x00f5 89 #define PSMC_SET_DEFAULTS 0x00f6 90 #define PSMC_SEND_DEV_ID 0x00f2 91 #define PSMC_SEND_DEV_STATUS 0x00e9 92 #define PSMC_SEND_DEV_DATA 0x00eb 93 #define PSMC_SET_SCALING11 0x00e6 94 #define PSMC_SET_SCALING21 0x00e7 95 #define PSMC_SET_RESOLUTION 0x00e8 96 #define PSMC_SET_STREAM_MODE 0x00ea 97 #define PSMC_SET_REMOTE_MODE 0x00f0 98 #define PSMC_SET_SAMPLING_RATE 0x00f3 99 100 /* PSMC_SET_RESOLUTION argument */ 101 #define PSMD_RES_LOW 0 /* typically 25ppi */ 102 #define PSMD_RES_MEDIUM_LOW 1 /* typically 50ppi */ 103 #define PSMD_RES_MEDIUM_HIGH 2 /* typically 100ppi (default) */ 104 #define PSMD_RES_HIGH 3 /* typically 200ppi */ 105 #define PSMD_MAX_RESOLUTION PSMD_RES_HIGH 106 107 /* PSMC_SET_SAMPLING_RATE */ 108 #define PSMD_MAX_RATE 255 /* FIXME: not sure if it's possible */ 109 110 /* status bits (KBD_STATUS_PORT) */ 111 #define KBDS_BUFFER_FULL 0x0021 112 #define KBDS_ANY_BUFFER_FULL 0x0001 113 #define KBDS_KBD_BUFFER_FULL 0x0001 114 #define KBDS_AUX_BUFFER_FULL 0x0021 115 #define KBDS_INPUT_BUFFER_FULL 0x0002 116 117 /* return code */ 118 #define KBD_ACK 0x00fa 119 #define KBD_RESEND 0x00fe 120 #define KBD_RESET_DONE 0x00aa 121 #define KBD_RESET_FAIL 0x00fc 122 #define KBD_DIAG_DONE 0x0055 123 #define KBD_DIAG_FAIL 0x00fd 124 #define KBD_ECHO 0x00ee 125 126 #define PSM_ACK 0x00fa 127 #define PSM_RESEND 0x00fe 128 #define PSM_RESET_DONE 0x00aa 129 #define PSM_RESET_FAIL 0x00fc 130 131 /* aux device ID */ 132 #define PSM_MOUSE_ID 0 133 #define PSM_BALLPOINT_ID 2 134 #define PSM_INTELLI_ID 3 135 136 #ifdef _KERNEL 137 138 #define ATKBDC_DRIVER_NAME "atkbdc" 139 140 /* 141 * driver specific options: the following options may be set by 142 * `options' statements in the kernel configuration file. 143 */ 144 145 /* retry count */ 146 #ifndef KBD_MAXRETRY 147 #define KBD_MAXRETRY 3 148 #endif 149 150 /* timing parameters */ 151 #ifndef KBD_RESETDELAY 152 #define KBD_RESETDELAY 200 /* wait 200msec after kbd/mouse reset */ 153 #endif 154 #ifndef KBD_MAXWAIT 155 #define KBD_MAXWAIT 5 /* wait 5 times at most after reset */ 156 #endif 157 158 /* I/O recovery time */ 159 #define KBDC_DELAYTIME 20 160 #define KBDD_DELAYTIME 7 161 162 /* debug option */ 163 #ifndef KBDIO_DEBUG 164 #define KBDIO_DEBUG 0 165 #endif 166 167 /* end of driver specific options */ 168 169 /* types/structures */ 170 171 #define KBDQ_BUFSIZE 32 172 173 typedef struct _kqueue { 174 int head; 175 int tail; 176 unsigned char q[KBDQ_BUFSIZE]; 177 #if KBDIO_DEBUG >= 2 178 int call_count; 179 int qcount; 180 int max_qcount; 181 #endif 182 } kqueue; 183 184 typedef struct atkbdc_softc { 185 int port; /* base port address */ 186 int command_byte; /* current command byte value */ 187 int command_mask; /* command byte mask bits for kbd/aux devices */ 188 int lock; /* FIXME: XXX not quite a semaphore... */ 189 kqueue kbd; /* keyboard data queue */ 190 kqueue aux; /* auxiliary data queue */ 191 } atkbdc_softc_t; 192 193 enum kbdc_device_ivar { 194 KBDC_IVAR_PORT, 195 KBDC_IVAR_IRQ, 196 KBDC_IVAR_FLAGS, 197 }; 198 199 typedef caddr_t KBDC; 200 201 /* function prototypes */ 202 203 atkbdc_softc_t *atkbdc_get_softc(int unit); 204 int atkbdc_probe_unit(int unit, int port); 205 int atkbdc_attach_unit(int unit, atkbdc_softc_t *sc, int port); 206 int atkbdc_configure(void); 207 208 KBDC kbdc_open(int port); 209 int kbdc_lock(KBDC kbdc, int lock); 210 int kbdc_data_ready(KBDC kbdc); 211 212 int write_controller_command(KBDC kbdc,int c); 213 int write_controller_data(KBDC kbdc,int c); 214 215 int write_kbd_command(KBDC kbdc,int c); 216 int write_aux_command(KBDC kbdc,int c); 217 int send_kbd_command(KBDC kbdc,int c); 218 int send_aux_command(KBDC kbdc,int c); 219 int send_kbd_command_and_data(KBDC kbdc,int c,int d); 220 int send_aux_command_and_data(KBDC kbdc,int c,int d); 221 222 int read_controller_data(KBDC kbdc); 223 int read_kbd_data(KBDC kbdc); 224 int read_kbd_data_no_wait(KBDC kbdc); 225 int read_aux_data(KBDC kbdc); 226 int read_aux_data_no_wait(KBDC kbdc); 227 228 void empty_kbd_buffer(KBDC kbdc, int t); 229 void empty_aux_buffer(KBDC kbdc, int t); 230 void empty_both_buffers(KBDC kbdc, int t); 231 232 int reset_kbd(KBDC kbdc); 233 int reset_aux_dev(KBDC kbdc); 234 235 int test_controller(KBDC kbdc); 236 int test_kbd_port(KBDC kbdc); 237 int test_aux_port(KBDC kbdc); 238 239 int kbdc_get_device_mask(KBDC kbdc); 240 void kbdc_set_device_mask(KBDC kbdc, int mask); 241 242 int get_controller_command_byte(KBDC kbdc); 243 int set_controller_command_byte(KBDC kbdc, int command, int flag); 244 245 #endif /* _KERNEL */ 246 247 #endif /* !_DEV_KBD_ATKBDCREG_H_ */ 248