proc->thread stage 2: MAJOR revamping of system calls, ucred, jail API,
[dragonfly.git] / sys / dev / misc / kbd / atkbdcreg.h
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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 $
1de703da 31 * $DragonFly: src/sys/dev/misc/kbd/atkbdcreg.h,v 1.2 2003/06/17 04:28:28 dillon Exp $
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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
177typedef struct _kqueue {
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} kqueue;
187
188struct resource;
189
190typedef 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 kqueue kbd; /* keyboard data queue */
200 kqueue aux; /* auxiliary data queue */
201} atkbdc_softc_t;
202
203enum 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
212typedef caddr_t KBDC;
213
214/* function prototypes */
215
216atkbdc_softc_t *atkbdc_get_softc(int unit);
217int atkbdc_probe_unit(int unit, struct resource *port0, struct resource *port1);
218int atkbdc_attach_unit(int unit, atkbdc_softc_t *sc, struct resource *port0,
219 struct resource *port1);
220int atkbdc_configure(void);
221
222KBDC atkbdc_open(int unit);
223int kbdc_lock(KBDC kbdc, int lock);
224int kbdc_data_ready(KBDC kbdc);
225
226int write_controller_command(KBDC kbdc,int c);
227int write_controller_data(KBDC kbdc,int c);
228
229int write_kbd_command(KBDC kbdc,int c);
230int write_aux_command(KBDC kbdc,int c);
231int send_kbd_command(KBDC kbdc,int c);
232int send_aux_command(KBDC kbdc,int c);
233int send_kbd_command_and_data(KBDC kbdc,int c,int d);
234int send_aux_command_and_data(KBDC kbdc,int c,int d);
235
236int read_controller_data(KBDC kbdc);
237int read_kbd_data(KBDC kbdc);
238int read_kbd_data_no_wait(KBDC kbdc);
239int read_aux_data(KBDC kbdc);
240int read_aux_data_no_wait(KBDC kbdc);
241
242void empty_kbd_buffer(KBDC kbdc, int t);
243void empty_aux_buffer(KBDC kbdc, int t);
244void empty_both_buffers(KBDC kbdc, int t);
245
246int reset_kbd(KBDC kbdc);
247int reset_aux_dev(KBDC kbdc);
248
249int test_controller(KBDC kbdc);
250int test_kbd_port(KBDC kbdc);
251int test_aux_port(KBDC kbdc);
252
253int kbdc_get_device_mask(KBDC kbdc);
254void kbdc_set_device_mask(KBDC kbdc, int mask);
255
256int get_controller_command_byte(KBDC kbdc);
257int set_controller_command_byte(KBDC kbdc, int command, int flag);
258
259#endif /* _KERNEL */
260
261#endif /* !_DEV_KBD_ATKBDCREG_H_ */