xref: /freebsd/sys/dev/atkbdc/atkbdcreg.h (revision 2f513db72b034fd5ef7f080b11be5c711c15186a)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1996-1999
5  * Kazutaka YOKOTA (yokota@zodiac.mech.utsunomiya-u.ac.jp)
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. The name of the author may not be used to endorse or promote
17  *    products derived from this software without specific prior written
18  *    permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  * $FreeBSD$
33  * from kbdio.h,v 1.8 1998/09/25 11:55:46 yokota Exp
34  */
35 
36 #ifndef _DEV_ATKBDC_ATKBDCREG_H_
37 #define	_DEV_ATKBDC_ATKBDCREG_H_
38 
39 #include "opt_kbd.h"	/* Structures depend on the value if KBDIO_DEBUG */
40 
41 /* constants */
42 
43 /* I/O ports */
44 #define KBD_STATUS_PORT 	4	/* status port, read */
45 #define KBD_COMMAND_PORT	4	/* controller command port, write */
46 #define KBD_DATA_PORT		0	/* data port, read/write
47 					 * also used as keyboard command
48 					 * and mouse command port
49 					 */
50 
51 /* controller commands (sent to KBD_COMMAND_PORT) */
52 #define KBDC_SET_COMMAND_BYTE 	0x0060
53 #define KBDC_GET_COMMAND_BYTE 	0x0020
54 #define KBDC_WRITE_TO_AUX_MUX	0x0090
55 #define KBDC_FORCE_AUX_OUTPUT	0x00d3
56 #define KBDC_WRITE_TO_AUX    	0x00d4
57 #define KBDC_DISABLE_AUX_PORT 	0x00a7
58 #define KBDC_ENABLE_AUX_PORT 	0x00a8
59 #define KBDC_TEST_AUX_PORT   	0x00a9
60 #define KBDC_DIAGNOSE	     	0x00aa
61 #define KBDC_TEST_KBD_PORT   	0x00ab
62 #define KBDC_DISABLE_KBD_PORT 	0x00ad
63 #define KBDC_ENABLE_KBD_PORT 	0x00ae
64 
65 /* controller command byte (set by KBDC_SET_COMMAND_BYTE) */
66 #define KBD_TRANSLATION		0x0040
67 #define KBD_RESERVED_BITS	0x0004
68 #define KBD_OVERRIDE_KBD_LOCK	0x0008
69 #define KBD_ENABLE_KBD_PORT    	0x0000
70 #define KBD_DISABLE_KBD_PORT   	0x0010
71 #define KBD_ENABLE_AUX_PORT	0x0000
72 #define KBD_DISABLE_AUX_PORT	0x0020
73 #define KBD_ENABLE_AUX_INT	0x0002
74 #define KBD_DISABLE_AUX_INT	0x0000
75 #define KBD_ENABLE_KBD_INT     	0x0001
76 #define KBD_DISABLE_KBD_INT    	0x0000
77 #define KBD_KBD_CONTROL_BITS	(KBD_DISABLE_KBD_PORT | KBD_ENABLE_KBD_INT)
78 #define KBD_AUX_CONTROL_BITS	(KBD_DISABLE_AUX_PORT | KBD_ENABLE_AUX_INT)
79 
80 /* keyboard device commands (sent to KBD_DATA_PORT) */
81 #define KBDC_RESET_KBD	     	0x00ff
82 #define KBDC_ENABLE_KBD		0x00f4
83 #define KBDC_DISABLE_KBD	0x00f5
84 #define KBDC_SET_DEFAULTS	0x00f6
85 #define KBDC_SEND_DEV_ID	0x00f2
86 #define KBDC_SET_LEDS		0x00ed
87 #define KBDC_ECHO		0x00ee
88 #define KBDC_SET_SCANCODE_SET	0x00f0
89 #define KBDC_SET_TYPEMATIC	0x00f3
90 
91 /* aux device commands (sent to KBD_DATA_PORT) */
92 #define PSMC_RESET_DEV	     	0x00ff
93 #define PSMC_ENABLE_DEV      	0x00f4
94 #define PSMC_DISABLE_DEV     	0x00f5
95 #define PSMC_SET_DEFAULTS	0x00f6
96 #define PSMC_SEND_DEV_ID     	0x00f2
97 #define PSMC_SEND_DEV_STATUS 	0x00e9
98 #define PSMC_SEND_DEV_DATA	0x00eb
99 #define PSMC_SET_SCALING11	0x00e6
100 #define PSMC_SET_SCALING21	0x00e7
101 #define PSMC_SET_RESOLUTION	0x00e8
102 #define PSMC_SET_STREAM_MODE	0x00ea
103 #define PSMC_SET_REMOTE_MODE	0x00f0
104 #define PSMC_SET_SAMPLING_RATE	0x00f3
105 
106 /* PSMC_SET_RESOLUTION argument */
107 #define PSMD_RES_LOW		0	/* typically 25ppi */
108 #define PSMD_RES_MEDIUM_LOW	1	/* typically 50ppi */
109 #define PSMD_RES_MEDIUM_HIGH	2	/* typically 100ppi (default) */
110 #define PSMD_RES_HIGH		3	/* typically 200ppi */
111 #define PSMD_MAX_RESOLUTION	PSMD_RES_HIGH
112 
113 /* PSMC_SET_SAMPLING_RATE */
114 #define PSMD_MAX_RATE		255	/* FIXME: not sure if it's possible */
115 
116 /* status bits (KBD_STATUS_PORT) */
117 #define KBDS_BUFFER_FULL	0x0021
118 #define KBDS_ANY_BUFFER_FULL	0x0001
119 #define KBDS_KBD_BUFFER_FULL	0x0001
120 #define KBDS_AUX_BUFFER_FULL	0x0021
121 #define KBDS_INPUT_BUFFER_FULL	0x0002
122 
123 /* return code */
124 #define KBD_ACK 		0x00fa
125 #define KBD_RESEND		0x00fe
126 #define KBD_RESET_DONE		0x00aa
127 #define KBD_RESET_FAIL		0x00fc
128 #define KBD_DIAG_DONE		0x0055
129 #define KBD_DIAG_FAIL		0x00fd
130 #define KBD_ECHO		0x00ee
131 
132 #define PSM_ACK 		0x00fa
133 #define PSM_RESEND		0x00fe
134 #define PSM_RESET_DONE		0x00aa
135 #define PSM_RESET_FAIL		0x00fc
136 
137 /* aux device ID */
138 #define PSM_MOUSE_ID		0
139 #define PSM_BALLPOINT_ID	2
140 #define PSM_INTELLI_ID		3
141 #define PSM_EXPLORER_ID		4
142 #define PSM_4DMOUSE_ID		6
143 #define PSM_4DPLUS_ID		8
144 #define PSM_4DPLUS_RFSW35_ID	24
145 
146 #ifdef _KERNEL
147 
148 #define ATKBDC_DRIVER_NAME	"atkbdc"
149 
150 /*
151  * driver specific options: the following options may be set by
152  * `options' statements in the kernel configuration file.
153  */
154 
155 /* retry count */
156 #ifndef KBD_MAXRETRY
157 #define KBD_MAXRETRY	3
158 #endif
159 
160 /* timing parameters */
161 #ifndef KBD_RESETDELAY
162 #define KBD_RESETDELAY  200     /* wait 200msec after kbd/mouse reset */
163 #endif
164 #ifndef KBD_MAXWAIT
165 #define KBD_MAXWAIT	5 	/* wait 5 times at most after reset */
166 #endif
167 
168 /* I/O recovery time */
169 #define KBDC_DELAYTIME	20
170 #define KBDD_DELAYTIME	7
171 
172 /* debug option */
173 #ifndef KBDIO_DEBUG
174 #define KBDIO_DEBUG	0
175 #endif
176 
177 /* end of driver specific options */
178 
179 /* types/structures */
180 
181 #define KBDQ_BUFSIZE	32
182 
183 typedef struct _kqueue {
184     int head;
185     int tail;
186     unsigned char q[KBDQ_BUFSIZE];
187 #if KBDIO_DEBUG >= 2
188     int call_count;
189     int qcount;
190     int max_qcount;
191 #endif
192 } kqueue;
193 
194 struct resource;
195 
196 typedef struct atkbdc_softc {
197     struct resource *port0;	/* data port */
198     struct resource *port1;	/* status port */
199     struct resource *irq;
200     bus_space_tag_t iot;
201     bus_space_handle_t ioh0;
202     bus_space_handle_t ioh1;
203     int command_byte;		/* current command byte value */
204     int command_mask;		/* command byte mask bits for kbd/aux devices */
205     int lock;			/* FIXME: XXX not quite a semaphore... */
206     kqueue kbd;			/* keyboard data queue */
207     kqueue aux;			/* auxiliary data queue */
208     int retry;
209     int quirks;			/* controller doesn't like deactivate */
210 #define KBDC_QUIRK_KEEP_ACTIVATED	(1 << 0)
211 #define KBDC_QUIRK_IGNORE_PROBE_RESULT	(1 << 1)
212 #define KBDC_QUIRK_RESET_AFTER_PROBE	(1 << 2)
213 #define KBDC_QUIRK_SETLEDS_ON_INIT	(1 << 3)
214     int aux_mux_enabled;	/* active PS/2 multiplexing is enabled */
215     int aux_mux_port;		/* current aux mux port */
216 } atkbdc_softc_t;
217 
218 enum kbdc_device_ivar {
219 	KBDC_IVAR_VENDORID,
220 	KBDC_IVAR_SERIAL,
221 	KBDC_IVAR_LOGICALID,
222 	KBDC_IVAR_COMPATID,
223 };
224 
225 typedef atkbdc_softc_t *KBDC;
226 
227 #define KBDC_RID_KBD	0
228 #define KBDC_RID_AUX	1
229 
230 #define KBDC_AUX_MUX_NUM_PORTS	4
231 
232 /* function prototypes */
233 
234 atkbdc_softc_t *atkbdc_get_softc(int unit);
235 int atkbdc_probe_unit(int unit, struct resource *port0, struct resource *port1);
236 int atkbdc_attach_unit(int unit, atkbdc_softc_t *sc, struct resource *port0,
237 		       struct resource *port1);
238 int atkbdc_configure(void);
239 
240 KBDC atkbdc_open(int unit);
241 int kbdc_lock(KBDC kbdc, int lock);
242 int kbdc_data_ready(KBDC kbdc);
243 
244 int write_controller_command(KBDC kbdc,int c);
245 int write_controller_data(KBDC kbdc,int c);
246 
247 int write_kbd_command(KBDC kbdc,int c);
248 int write_aux_command(KBDC kbdc,int c);
249 int send_kbd_command(KBDC kbdc,int c);
250 int send_aux_command(KBDC kbdc,int c);
251 int send_kbd_command_and_data(KBDC kbdc,int c,int d);
252 int send_aux_command_and_data(KBDC kbdc,int c,int d);
253 
254 int read_controller_data(KBDC kbdc);
255 int read_kbd_data(KBDC kbdc);
256 int read_kbd_data_no_wait(KBDC kbdc);
257 int read_aux_data(KBDC kbdc);
258 int read_aux_data_no_wait(KBDC kbdc);
259 
260 void empty_kbd_buffer(KBDC kbdc, int t);
261 void empty_aux_buffer(KBDC kbdc, int t);
262 void empty_both_buffers(KBDC kbdc, int t);
263 
264 int reset_kbd(KBDC kbdc);
265 int reset_aux_dev(KBDC kbdc);
266 
267 int test_controller(KBDC kbdc);
268 int test_kbd_port(KBDC kbdc);
269 int test_aux_port(KBDC kbdc);
270 
271 int kbdc_get_device_mask(KBDC kbdc);
272 void kbdc_set_device_mask(KBDC kbdc, int mask);
273 
274 int get_controller_command_byte(KBDC kbdc);
275 int set_controller_command_byte(KBDC kbdc, int command, int flag);
276 
277 int set_active_aux_mux_port(KBDC p, int port);
278 int enable_aux_mux(KBDC p);
279 int disable_aux_mux(KBDC p);
280 int aux_mux_is_enabled(KBDC p);
281 
282 #endif /* _KERNEL */
283 
284 #endif /* !_DEV_ATKBDC_ATKBDCREG_H_ */
285