xref: /freebsd/sys/dev/atkbdc/atkbdcreg.h (revision b52b9d56d4e96089873a75f9e29062eec19fabba)
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 #define PSM_EXPLORER_ID		4
136 #define PSM_4DMOUSE_ID		6
137 #define PSM_4DPLUS_ID		8
138 
139 #ifdef _KERNEL
140 
141 #define ATKBDC_DRIVER_NAME	"atkbdc"
142 
143 /*
144  * driver specific options: the following options may be set by
145  * `options' statements in the kernel configuration file.
146  */
147 
148 /* retry count */
149 #ifndef KBD_MAXRETRY
150 #define KBD_MAXRETRY	3
151 #endif
152 
153 /* timing parameters */
154 #ifndef KBD_RESETDELAY
155 #define KBD_RESETDELAY  200     /* wait 200msec after kbd/mouse reset */
156 #endif
157 #ifndef KBD_MAXWAIT
158 #define KBD_MAXWAIT	5 	/* wait 5 times at most after reset */
159 #endif
160 
161 /* I/O recovery time */
162 #define KBDC_DELAYTIME	20
163 #define KBDD_DELAYTIME	7
164 
165 /* debug option */
166 #ifndef KBDIO_DEBUG
167 #define KBDIO_DEBUG	0
168 #endif
169 
170 /* end of driver specific options */
171 
172 /* types/structures */
173 
174 #define KBDQ_BUFSIZE	32
175 
176 typedef struct _kqueue {
177     int head;
178     int tail;
179     unsigned char q[KBDQ_BUFSIZE];
180 #if KBDIO_DEBUG >= 2
181     int call_count;
182     int qcount;
183     int max_qcount;
184 #endif
185 } kqueue;
186 
187 struct resource;
188 
189 typedef struct atkbdc_softc {
190     struct resource *port0;	/* data port */
191     struct resource *port1;	/* status port */
192     bus_space_tag_t iot;
193     bus_space_handle_t ioh0;
194     bus_space_handle_t ioh1;
195     int command_byte;		/* current command byte value */
196     int command_mask;		/* command byte mask bits for kbd/aux devices */
197     int lock;			/* FIXME: XXX not quite a semaphore... */
198     kqueue kbd;			/* keyboard data queue */
199     kqueue aux;			/* auxiliary data queue */
200 } atkbdc_softc_t;
201 
202 enum kbdc_device_ivar {
203 	KBDC_IVAR_VENDORID,
204 	KBDC_IVAR_SERIAL,
205 	KBDC_IVAR_LOGICALID,
206 	KBDC_IVAR_COMPATID,
207 };
208 
209 typedef caddr_t KBDC;
210 
211 #define KBDC_RID_KBD	0
212 #define KBDC_RID_AUX	1
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_ */
262