sys/dev/misc/kbd/atkbdcreg.h

   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: src/sys/dev/kbd/atkbdcreg.h,v 1.4.2.2 2000/03/31 12:51:57 yokota Exp $
  31  * $DragonFly: src/sys/dev/misc/kbd/atkbdcreg.h,v 1.3 2007/01/15 01:11:36 dillon Exp $
  32  * from kbdio.h,v 1.8 1998/09/25 11:55:46 yokota Exp
  33  */
  34
  35 #ifndef _DEV_KBD_ATKBDCREG_H_
  36 #define _DEV_KBD_ATKBDCREG_H_
  37
  38 /* constants */
  39
  40 /* I/O ports */
  41 #define KBD_STATUS_PORT         4       /* status port, read */
  42 #define KBD_COMMAND_PORT        4       /* controller command port, write */
  43 #define KBD_DATA_PORT           0       /* data port, read/write
  44                                          * also used as keyboard command
  45                                          * and mouse command port
  46                                          */
  47
  48 /* controller commands (sent to KBD_COMMAND_PORT) */
  49 #define KBDC_SET_COMMAND_BYTE   0x0060
  50 #define KBDC_GET_COMMAND_BYTE   0x0020
  51 #define KBDC_WRITE_TO_AUX       0x00d4
  52 #define KBDC_DISABLE_AUX_PORT   0x00a7
  53 #define KBDC_ENABLE_AUX_PORT    0x00a8
  54 #define KBDC_TEST_AUX_PORT      0x00a9
  55 #define KBDC_DIAGNOSE           0x00aa
  56 #define KBDC_TEST_KBD_PORT      0x00ab
  57 #define KBDC_DISABLE_KBD_PORT   0x00ad
  58 #define KBDC_ENABLE_KBD_PORT    0x00ae
  59
  60 /* controller command byte (set by KBDC_SET_COMMAND_BYTE) */
  61 #define KBD_TRANSLATION         0x0040
  62 #define KBD_RESERVED_BITS       0x0004
  63 #define KBD_OVERRIDE_KBD_LOCK   0x0008
  64 #define KBD_ENABLE_KBD_PORT     0x0000
  65 #define KBD_DISABLE_KBD_PORT    0x0010
  66 #define KBD_ENABLE_AUX_PORT     0x0000
  67 #define KBD_DISABLE_AUX_PORT    0x0020
  68 #define KBD_ENABLE_AUX_INT      0x0002
  69 #define KBD_DISABLE_AUX_INT     0x0000
  70 #define KBD_ENABLE_KBD_INT      0x0001
  71 #define KBD_DISABLE_KBD_INT     0x0000
  72 #define KBD_KBD_CONTROL_BITS    (KBD_DISABLE_KBD_PORT | KBD_ENABLE_KBD_INT)
  73 #define KBD_AUX_CONTROL_BITS    (KBD_DISABLE_AUX_PORT | KBD_ENABLE_AUX_INT)
  74
  75 /* keyboard device commands (sent to KBD_DATA_PORT) */
  76 #define KBDC_RESET_KBD          0x00ff
  77 #define KBDC_ENABLE_KBD         0x00f4
  78 #define KBDC_DISABLE_KBD        0x00f5
  79 #define KBDC_SET_DEFAULTS       0x00f6
  80 #define KBDC_SEND_DEV_ID        0x00f2
  81 #define KBDC_SET_LEDS           0x00ed
  82 #define KBDC_ECHO               0x00ee
  83 #define KBDC_SET_SCANCODE_SET   0x00f0
  84 #define KBDC_SET_TYPEMATIC      0x00f3
  85
  86 /* aux device commands (sent to KBD_DATA_PORT) */
  87 #define PSMC_RESET_DEV          0x00ff
  88 #define PSMC_ENABLE_DEV         0x00f4
  89 #define PSMC_DISABLE_DEV        0x00f5
  90 #define PSMC_SET_DEFAULTS       0x00f6
  91 #define PSMC_SEND_DEV_ID        0x00f2
  92 #define PSMC_SEND_DEV_STATUS    0x00e9
  93 #define PSMC_SEND_DEV_DATA      0x00eb
  94 #define PSMC_SET_SCALING11      0x00e6
  95 #define PSMC_SET_SCALING21      0x00e7
  96 #define PSMC_SET_RESOLUTION     0x00e8
  97 #define PSMC_SET_STREAM_MODE    0x00ea
  98 #define PSMC_SET_REMOTE_MODE    0x00f0
  99 #define PSMC_SET_SAMPLING_RATE  0x00f3
 100
 101 /* PSMC_SET_RESOLUTION argument */
 102 #define PSMD_RES_LOW            0       /* typically 25ppi */
 103 #define PSMD_RES_MEDIUM_LOW     1       /* typically 50ppi */
 104 #define PSMD_RES_MEDIUM_HIGH    2       /* typically 100ppi (default) */
 105 #define PSMD_RES_HIGH           3       /* typically 200ppi */
 106 #define PSMD_MAX_RESOLUTION     PSMD_RES_HIGH
 107
 108 /* PSMC_SET_SAMPLING_RATE */
 109 #define PSMD_MAX_RATE           255     /* FIXME: not sure if it's possible */
 110
 111 /* status bits (KBD_STATUS_PORT) */
 112 #define KBDS_BUFFER_FULL        0x0021
 113 #define KBDS_ANY_BUFFER_FULL    0x0001
 114 #define KBDS_KBD_BUFFER_FULL    0x0001
 115 #define KBDS_AUX_BUFFER_FULL    0x0021
 116 #define KBDS_INPUT_BUFFER_FULL  0x0002
 117
 118 /* return code */
 119 #define KBD_ACK                 0x00fa
 120 #define KBD_RESEND              0x00fe
 121 #define KBD_RESET_DONE          0x00aa
 122 #define KBD_RESET_FAIL          0x00fc
 123 #define KBD_DIAG_DONE           0x0055
 124 #define KBD_DIAG_FAIL           0x00fd
 125 #define KBD_ECHO                0x00ee
 126
 127 #define PSM_ACK                 0x00fa
 128 #define PSM_RESEND              0x00fe
 129 #define PSM_RESET_DONE          0x00aa
 130 #define PSM_RESET_FAIL          0x00fc
 131
 132 /* aux device ID */
 133 #define PSM_MOUSE_ID            0
 134 #define PSM_BALLPOINT_ID        2
 135 #define PSM_INTELLI_ID          3
 136 #define PSM_EXPLORER_ID         4
 137 #define PSM_4DMOUSE_ID          6
 138 #define PSM_4DPLUS_ID           8
 139
 140 #ifdef _KERNEL
 141
 142 #define ATKBDC_DRIVER_NAME      "atkbdc"
 143
 144 /*
 145  * driver specific options: the following options may be set by
 146  * `options' statements in the kernel configuration file.
 147  */
 148
 149 /* retry count */
 150 #ifndef KBD_MAXRETRY
 151 #define KBD_MAXRETRY    3
 152 #endif
 153
 154 /* timing parameters */
 155 #ifndef KBD_RESETDELAY
 156 #define KBD_RESETDELAY  200     /* wait 200msec after kbd/mouse reset */
 157 #endif
 158 #ifndef KBD_MAXWAIT
 159 #define KBD_MAXWAIT     5       /* wait 5 times at most after reset */
 160 #endif
 161
 162 /* I/O recovery time */
 163 #define KBDC_DELAYTIME  20
 164 #define KBDD_DELAYTIME  7
 165
 166 /* debug option */
 167 #ifndef KBDIO_DEBUG
 168 #define KBDIO_DEBUG     0
 169 #endif
 170
 171 /* end of driver specific options */
 172
 173 /* types/structures */
 174
 175 #define KBDQ_BUFSIZE    32
 176
 177 typedef struct _kbdkqueue {
 178     int head;
 179     int tail;
 180     unsigned char q[KBDQ_BUFSIZE];
 181 #if KBDIO_DEBUG >= 2
 182     int call_count;
 183     int qcount;
 184     int max_qcount;
 185 #endif
 186 } kbdkqueue;
 187
 188 struct resource;
 189
 190 typedef struct atkbdc_softc {
 191     struct resource *port0;     /* data port */
 192     struct resource *port1;     /* status port */
 193     bus_space_tag_t iot;
 194     bus_space_handle_t ioh0;
 195     bus_space_handle_t ioh1;
 196     int command_byte;           /* current command byte value */
 197     int command_mask;           /* command byte mask bits for kbd/aux devices */
 198     int lock;                   /* FIXME: XXX not quite a semaphore... */
 199     kbdkqueue kbd;              /* keyboard data queue */
 200     kbdkqueue aux;              /* auxiliary data queue */
 201 } atkbdc_softc_t;
 202
 203 enum kbdc_device_ivar {
 204         KBDC_IVAR_IRQ,
 205         KBDC_IVAR_FLAGS,
 206         KBDC_IVAR_VENDORID,
 207         KBDC_IVAR_SERIAL,
 208         KBDC_IVAR_LOGICALID,
 209         KBDC_IVAR_COMPATID,
 210 };
 211
 212 typedef caddr_t KBDC;
 213
 214 /* function prototypes */
 215
 216 atkbdc_softc_t *atkbdc_get_softc(int unit);
 217 int atkbdc_probe_unit(int unit, struct resource *port0, struct resource *port1);
 218 int atkbdc_attach_unit(int unit, atkbdc_softc_t *sc, struct resource *port0,
 219                        struct resource *port1);
 220 int atkbdc_configure(void);
 221
 222 KBDC atkbdc_open(int unit);
 223 int kbdc_lock(KBDC kbdc, int lock);
 224 int kbdc_data_ready(KBDC kbdc);
 225
 226 int write_controller_command(KBDC kbdc,int c);
 227 int write_controller_data(KBDC kbdc,int c);
 228
 229 int write_kbd_command(KBDC kbdc,int c);
 230 int write_aux_command(KBDC kbdc,int c);
 231 int send_kbd_command(KBDC kbdc,int c);
 232 int send_aux_command(KBDC kbdc,int c);
 233 int send_kbd_command_and_data(KBDC kbdc,int c,int d);
 234 int send_aux_command_and_data(KBDC kbdc,int c,int d);
 235
 236 int read_controller_data(KBDC kbdc);
 237 int read_kbd_data(KBDC kbdc);
 238 int read_kbd_data_no_wait(KBDC kbdc);
 239 int read_aux_data(KBDC kbdc);
 240 int read_aux_data_no_wait(KBDC kbdc);
 241
 242 void empty_kbd_buffer(KBDC kbdc, int t);
 243 void empty_aux_buffer(KBDC kbdc, int t);
 244 void empty_both_buffers(KBDC kbdc, int t);
 245
 246 int reset_kbd(KBDC kbdc);
 247 int reset_aux_dev(KBDC kbdc);
 248
 249 int test_controller(KBDC kbdc);
 250 int test_kbd_port(KBDC kbdc);
 251 int test_aux_port(KBDC kbdc);
 252
 253 int kbdc_get_device_mask(KBDC kbdc);
 254 void kbdc_set_device_mask(KBDC kbdc, int mask);
 255
 256 int get_controller_command_byte(KBDC kbdc);
 257 int set_controller_command_byte(KBDC kbdc, int command, int flag);
 258
 259 #endif /* _KERNEL */
 260
 261 #endif /* !_DEV_KBD_ATKBDCREG_H_ */