xref: /freebsd/sys/dev/atkbdc/atkbdcreg.h (revision aca5021d5f7dcab1e11692923266373e35322d9a)
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_ATKBDC_ATKBDCREG_H_
35 #define	_DEV_ATKBDC_ATKBDCREG_H_
36 
37 #include "opt_kbd.h"	/* Structures depend on the value if KBDIO_DEBUG */
38 
39 /* constants */
40 
41 /* I/O ports */
42 #define KBD_STATUS_PORT 	4	/* status port, read */
43 #define KBD_COMMAND_PORT	4	/* controller command port, write */
44 #define KBD_DATA_PORT		0	/* data port, read/write
45 					 * also used as keyboard command
46 					 * and mouse command port
47 					 */
48 
49 /* controller commands (sent to KBD_COMMAND_PORT) */
50 #define KBDC_SET_COMMAND_BYTE 	0x0060
51 #define KBDC_GET_COMMAND_BYTE 	0x0020
52 #define KBDC_WRITE_TO_AUX    	0x00d4
53 #define KBDC_DISABLE_AUX_PORT 	0x00a7
54 #define KBDC_ENABLE_AUX_PORT 	0x00a8
55 #define KBDC_TEST_AUX_PORT   	0x00a9
56 #define KBDC_DIAGNOSE	     	0x00aa
57 #define KBDC_TEST_KBD_PORT   	0x00ab
58 #define KBDC_DISABLE_KBD_PORT 	0x00ad
59 #define KBDC_ENABLE_KBD_PORT 	0x00ae
60 
61 /* controller command byte (set by KBDC_SET_COMMAND_BYTE) */
62 #define KBD_TRANSLATION		0x0040
63 #define KBD_RESERVED_BITS	0x0004
64 #define KBD_OVERRIDE_KBD_LOCK	0x0008
65 #define KBD_ENABLE_KBD_PORT    	0x0000
66 #define KBD_DISABLE_KBD_PORT   	0x0010
67 #define KBD_ENABLE_AUX_PORT	0x0000
68 #define KBD_DISABLE_AUX_PORT	0x0020
69 #define KBD_ENABLE_AUX_INT	0x0002
70 #define KBD_DISABLE_AUX_INT	0x0000
71 #define KBD_ENABLE_KBD_INT     	0x0001
72 #define KBD_DISABLE_KBD_INT    	0x0000
73 #define KBD_KBD_CONTROL_BITS	(KBD_DISABLE_KBD_PORT | KBD_ENABLE_KBD_INT)
74 #define KBD_AUX_CONTROL_BITS	(KBD_DISABLE_AUX_PORT | KBD_ENABLE_AUX_INT)
75 
76 /* keyboard device commands (sent to KBD_DATA_PORT) */
77 #define KBDC_RESET_KBD	     	0x00ff
78 #define KBDC_ENABLE_KBD		0x00f4
79 #define KBDC_DISABLE_KBD	0x00f5
80 #define KBDC_SET_DEFAULTS	0x00f6
81 #define KBDC_SEND_DEV_ID	0x00f2
82 #define KBDC_SET_LEDS		0x00ed
83 #define KBDC_ECHO		0x00ee
84 #define KBDC_SET_SCANCODE_SET	0x00f0
85 #define KBDC_SET_TYPEMATIC	0x00f3
86 
87 /* aux device commands (sent to KBD_DATA_PORT) */
88 #define PSMC_RESET_DEV	     	0x00ff
89 #define PSMC_ENABLE_DEV      	0x00f4
90 #define PSMC_DISABLE_DEV     	0x00f5
91 #define PSMC_SET_DEFAULTS	0x00f6
92 #define PSMC_SEND_DEV_ID     	0x00f2
93 #define PSMC_SEND_DEV_STATUS 	0x00e9
94 #define PSMC_SEND_DEV_DATA	0x00eb
95 #define PSMC_SET_SCALING11	0x00e6
96 #define PSMC_SET_SCALING21	0x00e7
97 #define PSMC_SET_RESOLUTION	0x00e8
98 #define PSMC_SET_STREAM_MODE	0x00ea
99 #define PSMC_SET_REMOTE_MODE	0x00f0
100 #define PSMC_SET_SAMPLING_RATE	0x00f3
101 
102 /* PSMC_SET_RESOLUTION argument */
103 #define PSMD_RES_LOW		0	/* typically 25ppi */
104 #define PSMD_RES_MEDIUM_LOW	1	/* typically 50ppi */
105 #define PSMD_RES_MEDIUM_HIGH	2	/* typically 100ppi (default) */
106 #define PSMD_RES_HIGH		3	/* typically 200ppi */
107 #define PSMD_MAX_RESOLUTION	PSMD_RES_HIGH
108 
109 /* PSMC_SET_SAMPLING_RATE */
110 #define PSMD_MAX_RATE		255	/* FIXME: not sure if it's possible */
111 
112 /* status bits (KBD_STATUS_PORT) */
113 #define KBDS_BUFFER_FULL	0x0021
114 #define KBDS_ANY_BUFFER_FULL	0x0001
115 #define KBDS_KBD_BUFFER_FULL	0x0001
116 #define KBDS_AUX_BUFFER_FULL	0x0021
117 #define KBDS_INPUT_BUFFER_FULL	0x0002
118 
119 /* return code */
120 #define KBD_ACK 		0x00fa
121 #define KBD_RESEND		0x00fe
122 #define KBD_RESET_DONE		0x00aa
123 #define KBD_RESET_FAIL		0x00fc
124 #define KBD_DIAG_DONE		0x0055
125 #define KBD_DIAG_FAIL		0x00fd
126 #define KBD_ECHO		0x00ee
127 
128 #define PSM_ACK 		0x00fa
129 #define PSM_RESEND		0x00fe
130 #define PSM_RESET_DONE		0x00aa
131 #define PSM_RESET_FAIL		0x00fc
132 
133 /* aux device ID */
134 #define PSM_MOUSE_ID		0
135 #define PSM_BALLPOINT_ID	2
136 #define PSM_INTELLI_ID		3
137 #define PSM_EXPLORER_ID		4
138 #define PSM_4DMOUSE_ID		6
139 #define PSM_4DPLUS_ID		8
140 #define PSM_4DPLUS_RFSW35_ID	24
141 
142 #ifdef _KERNEL
143 
144 #define ATKBDC_DRIVER_NAME	"atkbdc"
145 
146 /*
147  * driver specific options: the following options may be set by
148  * `options' statements in the kernel configuration file.
149  */
150 
151 /* retry count */
152 #ifndef KBD_MAXRETRY
153 #define KBD_MAXRETRY	3
154 #endif
155 
156 /* timing parameters */
157 #ifndef KBD_RESETDELAY
158 #define KBD_RESETDELAY  200     /* wait 200msec after kbd/mouse reset */
159 #endif
160 #ifndef KBD_MAXWAIT
161 #define KBD_MAXWAIT	5 	/* wait 5 times at most after reset */
162 #endif
163 
164 /* I/O recovery time */
165 #define KBDC_DELAYTIME	20
166 #define KBDD_DELAYTIME	7
167 
168 /* debug option */
169 #ifndef KBDIO_DEBUG
170 #define KBDIO_DEBUG	0
171 #endif
172 
173 /* end of driver specific options */
174 
175 /* types/structures */
176 
177 #define KBDQ_BUFSIZE	32
178 
179 typedef struct _kqueue {
180     int head;
181     int tail;
182     unsigned char q[KBDQ_BUFSIZE];
183 #if KBDIO_DEBUG >= 2
184     int call_count;
185     int qcount;
186     int max_qcount;
187 #endif
188 } kqueue;
189 
190 struct resource;
191 
192 typedef struct atkbdc_softc {
193     struct resource *port0;	/* data port */
194     struct resource *port1;	/* status port */
195     struct resource *irq;
196     bus_space_tag_t iot;
197     bus_space_handle_t ioh0;
198     bus_space_handle_t ioh1;
199     int command_byte;		/* current command byte value */
200     int command_mask;		/* command byte mask bits for kbd/aux devices */
201     int lock;			/* FIXME: XXX not quite a semaphore... */
202     kqueue kbd;			/* keyboard data queue */
203     kqueue aux;			/* auxiliary data queue */
204     int retry;
205 } atkbdc_softc_t;
206 
207 enum kbdc_device_ivar {
208 	KBDC_IVAR_VENDORID,
209 	KBDC_IVAR_SERIAL,
210 	KBDC_IVAR_LOGICALID,
211 	KBDC_IVAR_COMPATID,
212 };
213 
214 typedef caddr_t KBDC;
215 
216 #define KBDC_RID_KBD	0
217 #define KBDC_RID_AUX	1
218 
219 /* function prototypes */
220 
221 atkbdc_softc_t *atkbdc_get_softc(int unit);
222 int atkbdc_probe_unit(int unit, struct resource *port0, struct resource *port1);
223 int atkbdc_attach_unit(int unit, atkbdc_softc_t *sc, struct resource *port0,
224 		       struct resource *port1);
225 int atkbdc_configure(void);
226 
227 KBDC atkbdc_open(int unit);
228 int kbdc_lock(KBDC kbdc, int lock);
229 int kbdc_data_ready(KBDC kbdc);
230 
231 int write_controller_command(KBDC kbdc,int c);
232 int write_controller_data(KBDC kbdc,int c);
233 
234 int write_kbd_command(KBDC kbdc,int c);
235 int write_aux_command(KBDC kbdc,int c);
236 int send_kbd_command(KBDC kbdc,int c);
237 int send_aux_command(KBDC kbdc,int c);
238 int send_kbd_command_and_data(KBDC kbdc,int c,int d);
239 int send_aux_command_and_data(KBDC kbdc,int c,int d);
240 
241 int read_controller_data(KBDC kbdc);
242 int read_kbd_data(KBDC kbdc);
243 int read_kbd_data_no_wait(KBDC kbdc);
244 int read_aux_data(KBDC kbdc);
245 int read_aux_data_no_wait(KBDC kbdc);
246 
247 void empty_kbd_buffer(KBDC kbdc, int t);
248 void empty_aux_buffer(KBDC kbdc, int t);
249 void empty_both_buffers(KBDC kbdc, int t);
250 
251 int reset_kbd(KBDC kbdc);
252 int reset_aux_dev(KBDC kbdc);
253 
254 int test_controller(KBDC kbdc);
255 int test_kbd_port(KBDC kbdc);
256 int test_aux_port(KBDC kbdc);
257 
258 int kbdc_get_device_mask(KBDC kbdc);
259 void kbdc_set_device_mask(KBDC kbdc, int mask);
260 
261 int get_controller_command_byte(KBDC kbdc);
262 int set_controller_command_byte(KBDC kbdc, int command, int flag);
263 
264 #endif /* _KERNEL */
265 
266 #endif /* !_DEV_ATKBDC_ATKBDCREG_H_ */
267