xref: /netbsd-src/sys/arch/vax/uba/qvms.c (revision c7fb772b85b2b5d4cfb282f868f454b4701534fd)
1 /*	$NetBSD: qvms.c,v 1.3 2021/08/07 16:19:07 thorpej Exp $	*/
2 
3 /* Copyright (c) 2015 Charles H. Dickman. All rights reserved.
4  * Derived from dzms.c
5  *
6  * Copyright (c) 1992, 1993
7  *	The Regents of the University of California.  All rights reserved.
8  *
9  * This software was developed by the Computer Systems Engineering group
10  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
11  * contributed to Berkeley.
12  *
13  * All advertising materials mentioning features or use of this software
14  * must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Lawrence Berkeley Laboratory.
17  *
18  * Redistribution and use in source and binary forms, with or without
19  * modification, are permitted provided that the following conditions
20  * are met:
21  * 1. Redistributions of source code must retain the above copyright
22  *    notice, this list of conditions and the following disclaimer.
23  * 2. Redistributions in binary form must reproduce the above copyright
24  *    notice, this list of conditions and the following disclaimer in the
25  *    documentation and/or other materials provided with the distribution.
26  * 3. Neither the name of the University nor the names of its contributors
27  *    may be used to endorse or promote products derived from this software
28  *    without specific prior written permission.
29  *
30  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
31  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
32  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
34  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
36  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
38  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
39  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40  * SUCH DAMAGE.
41  *
42  *	@(#)ms.c	8.1 (Berkeley) 6/11/93
43  */
44 
45 /*
46  * VSXXX mice attached to line 1 of the QVSS
47  */
48 
49 #include <sys/cdefs.h>
50 __KERNEL_RCSID(0, "$NetBSD: qvms.c,v 1.3 2021/08/07 16:19:07 thorpej Exp $");
51 
52 #include <sys/param.h>
53 #include <sys/systm.h>
54 #include <sys/device.h>
55 #include <sys/ioctl.h>
56 #include <sys/syslog.h>
57 #include <sys/kernel.h>
58 #include <sys/proc.h>
59 #include <sys/tty.h>
60 
61 #include <sys/bus.h>
62 
63 #include <vax/uba/qvareg.h>
64 #include <vax/uba/qvavar.h>
65 #include <vax/uba/qvkbdvar.h>
66 #include <dev/dec/lk201.h>
67 
68 #include <dev/wscons/wsconsio.h>
69 #include <dev/wscons/wsmousevar.h>
70 
71 #include "locators.h"
72 
73 struct qvms_softc {		/* driver status information */
74 	struct	device qvms_dev;	/* required first: base device */
75 	struct	qvaux_linestate *qvms_ls;
76 
77 	int sc_enabled;		/* input enabled? */
78 	int sc_selftest;
79 
80 	int inputstate;
81 	u_int buttons;
82 	int dx, dy;
83 
84 	device_t sc_wsmousedev;
85 };
86 
87 static int  qvms_match(device_t, cfdata_t, void *);
88 static void qvms_attach(device_t, device_t, void *);
89 static int qvms_input(void *, int);
90 
91 CFATTACH_DECL_NEW(qvms, sizeof(struct qvms_softc),
92     qvms_match, qvms_attach, NULL, NULL);
93 
94 static int  qvms_enable(void *);
95 static int  qvms_ioctl(void *, u_long, void *, int, struct lwp *);
96 static void qvms_disable(void *);
97 
98 const struct wsmouse_accessops qvms_accessops = {
99 	qvms_enable,
100 	qvms_ioctl,
101 	qvms_disable,
102 };
103 
104 static int
qvms_match(device_t parent,cfdata_t cf,void * aux)105 qvms_match(device_t parent, cfdata_t cf, void *aux)
106 {
107 	struct qvauxkm_attach_args *daa = aux;
108 
109 	/* Exact match is better than wildcard. */
110 	if (cf->cf_loc[QVAUXCF_LINE] == daa->daa_line)
111 		return 2;
112 
113 	/* This driver accepts wildcard. */
114 	if (cf->cf_loc[QVAUXCF_LINE] == QVAUXCF_LINE_DEFAULT)
115 		return 1;
116 
117 	return 0;
118 }
119 
120 static void
qvms_attach(device_t parent,device_t self,void * aux)121 qvms_attach(device_t parent, device_t self, void *aux)
122 {
123 	struct qvaux_softc *qvaux = device_private(parent);
124 	struct qvms_softc *qvms = device_private(self);
125 	struct qvauxkm_attach_args *daa = aux;
126 	struct qvaux_linestate *ls;
127 	struct wsmousedev_attach_args a;
128 
129 	qvaux->sc_qvaux[daa->daa_line].qvaux_catch = qvms_input;
130 	qvaux->sc_qvaux[daa->daa_line].qvaux_private = qvms;
131 	ls = &qvaux->sc_qvaux[daa->daa_line];
132 	qvms->qvms_ls = ls;
133 
134 	printf("\n");
135 
136 	a.accessops = &qvms_accessops;
137 	a.accesscookie = qvms;
138 
139 	qvms->sc_enabled = 0;
140 	qvms->sc_selftest = 0;
141 	qvms->sc_wsmousedev = config_found(self, &a, wsmousedevprint,
142 	    CFARGS_NONE);
143 }
144 
145 static int
qvms_enable(void * v)146 qvms_enable(void *v)
147 {
148 	struct qvms_softc *sc = v;
149 
150 	if (sc->sc_enabled)
151 		return EBUSY;
152 
153 	sc->sc_selftest = 4; /* wait for 4 byte reply upto 1/2 sec */
154 	qvauxputc(sc->qvms_ls, MOUSE_SELF_TEST);
155 	(void)tsleep(qvms_enable, TTIPRI, "qvmsopen", hz / 2);
156 	if (sc->sc_selftest != 0) {
157 		sc->sc_selftest = 0;
158 		return ENXIO;
159 	}
160 	DELAY(150);
161 	qvauxputc(sc->qvms_ls, MOUSE_INCREMENTAL);
162 	sc->sc_enabled = 1;
163 	sc->inputstate = 0;
164 	return 0;
165 }
166 
167 static void
qvms_disable(void * v)168 qvms_disable(void *v)
169 {
170 	struct qvms_softc *sc = v;
171 
172 	sc->sc_enabled = 0;
173 }
174 
175 static int
qvms_ioctl(void * v,u_long cmd,void * data,int flag,struct lwp * l)176 qvms_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
177 {
178 	if (cmd == WSMOUSEIO_GTYPE) {
179 		*(u_int *)data = WSMOUSE_TYPE_VSXXX;
180 		return 0;
181 	}
182 	return EPASSTHROUGH;
183 }
184 
185 static int
qvms_input(void * vsc,int data)186 qvms_input(void *vsc, int data)
187 {
188 	struct qvms_softc *sc = vsc;
189 
190 	if (sc->sc_enabled == 0) {
191 		if (sc->sc_selftest > 0) {
192 			sc->sc_selftest -= 1;
193 			if (sc->sc_selftest == 0)
194 				wakeup(qvms_enable);
195 		}
196 		return (1);
197 	}
198 
199 #define WSMS_BUTTON1    0x01
200 #define WSMS_BUTTON2    0x02
201 #define WSMS_BUTTON3    0x04
202 
203 	if ((data & MOUSE_START_FRAME) != 0)
204 		sc->inputstate = 1;
205 	else
206 		sc->inputstate++;
207 
208 	if (sc->inputstate == 1) {
209 		sc->buttons = 0;
210 		if ((data & LEFT_BUTTON) != 0)
211 			sc->buttons |= WSMS_BUTTON1;
212 		if ((data & MIDDLE_BUTTON) != 0)
213 			sc->buttons |= WSMS_BUTTON2;
214 		if ((data & RIGHT_BUTTON) != 0)
215 			sc->buttons |= WSMS_BUTTON3;
216 
217 		sc->dx = data & MOUSE_X_SIGN;
218 		sc->dy = data & MOUSE_Y_SIGN;
219 	} else if (sc->inputstate == 2) {
220 		if (sc->dx == 0)
221 			sc->dx = -data;
222 		else
223 			sc->dx = data;
224 	} else if (sc->inputstate == 3) {
225 		sc->inputstate = 0;
226 		if (sc->dy == 0)
227 			sc->dy = -data;
228 		else
229 			sc->dy = data;
230 		wsmouse_input(sc->sc_wsmousedev,
231 				sc->buttons,
232 		    		sc->dx, sc->dy, 0, 0,
233 				WSMOUSE_INPUT_DELTA);
234 	}
235 
236 	return(1);
237 }
238 
239