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joy.c (83366) joy.c (87384)
1/*-
2 * Copyright (c) 1995 Jean-Marc Zucconi
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 11 unchanged lines hidden (view full) ---

20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
1/*-
2 * Copyright (c) 1995 Jean-Marc Zucconi
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 11 unchanged lines hidden (view full) ---

20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: head/sys/dev/joy/joy.c 83366 2001-09-12 08:38:13Z julian $
28 * $FreeBSD: head/sys/dev/joy/joy.c 87384 2001-12-05 09:08:23Z imp $
29 */
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/conf.h>
34#include <sys/uio.h>
35#include <sys/kernel.h>
36#include <sys/module.h>
37#include <sys/bus.h>
38#include <machine/bus.h>
39#include <machine/resource.h>
40#include <sys/rman.h>
41#include <sys/time.h>
42#include <sys/joystick.h>
29 */
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/conf.h>
34#include <sys/uio.h>
35#include <sys/kernel.h>
36#include <sys/module.h>
37#include <sys/bus.h>
38#include <machine/bus.h>
39#include <machine/resource.h>
40#include <sys/rman.h>
41#include <sys/time.h>
42#include <sys/joystick.h>
43#include <dev/joy/joyvar.h>
43
44
44#include <isa/isavar.h>
45#include "isa_if.h"
46
47/* The game port can manage 4 buttons and 4 variable resistors (usually 2
48 * joysticks, each with 2 buttons and 2 pots.) via the port at address 0x201.
49 * Getting the state of the buttons is done by reading the game port:
50 * buttons 1-4 correspond to bits 4-7 and resistors 1-4 (X1, Y1, X2, Y2)
51 * to bits 0-3.
52 * if button 1 (resp 2, 3, 4) is pressed, the bit 4 (resp 5, 6, 7) is set to 0
53 * to get the value of a resistor, write the value 0xff at port and
54 * wait until the corresponding bit returns to 0.
55 */
56
57#define joypart(d) (minor(d)&1)
58#define UNIT(d) ((minor(d)>>1)&3)
59#ifndef JOY_TIMEOUT
60#define JOY_TIMEOUT 2000 /* 2 milliseconds */
61#endif
62
45/* The game port can manage 4 buttons and 4 variable resistors (usually 2
46 * joysticks, each with 2 buttons and 2 pots.) via the port at address 0x201.
47 * Getting the state of the buttons is done by reading the game port:
48 * buttons 1-4 correspond to bits 4-7 and resistors 1-4 (X1, Y1, X2, Y2)
49 * to bits 0-3.
50 * if button 1 (resp 2, 3, 4) is pressed, the bit 4 (resp 5, 6, 7) is set to 0
51 * to get the value of a resistor, write the value 0xff at port and
52 * wait until the corresponding bit returns to 0.
53 */
54
55#define joypart(d) (minor(d)&1)
56#define UNIT(d) ((minor(d)>>1)&3)
57#ifndef JOY_TIMEOUT
58#define JOY_TIMEOUT 2000 /* 2 milliseconds */
59#endif
60
63struct joy_softc {
64 bus_space_tag_t bt;
65 bus_space_handle_t port;
66 int x_off[2], y_off[2];
67 int timeout[2];
68};
69
70#define JOY_SOFTC(unit) (struct joy_softc *) \
71 devclass_get_softc(joy_devclass,(unit))
72
61#define JOY_SOFTC(unit) (struct joy_softc *) \
62 devclass_get_softc(joy_devclass,(unit))
63
73static int joy_probe (device_t);
74static int joy_attach (device_t);
75
76#define CDEV_MAJOR 51
77static d_open_t joyopen;
78static d_close_t joyclose;
79static d_read_t joyread;
80static d_ioctl_t joyioctl;
81
82static struct cdevsw joy_cdevsw = {
83 /* open */ joyopen,

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92 /* maj */ CDEV_MAJOR,
93 /* dump */ nodump,
94 /* psize */ nopsize,
95 /* flags */ 0,
96};
97
98devclass_t joy_devclass;
99
64#define CDEV_MAJOR 51
65static d_open_t joyopen;
66static d_close_t joyclose;
67static d_read_t joyread;
68static d_ioctl_t joyioctl;
69
70static struct cdevsw joy_cdevsw = {
71 /* open */ joyopen,

--- 8 unchanged lines hidden (view full) ---

80 /* maj */ CDEV_MAJOR,
81 /* dump */ nodump,
82 /* psize */ nopsize,
83 /* flags */ 0,
84};
85
86devclass_t joy_devclass;
87
100static struct isa_pnp_id joy_ids[] = {
101 {0x0100630e, "CSC0001 PnP Joystick"}, /* CSC0001 */
102 {0x0101630e, "CSC0101 PnP Joystick"}, /* CSC0101 */
103 {0x01100002, "ALS0110 PnP Joystick"}, /* @P@1001 */
104 {0x01200002, "ALS0120 PnP Joystick"}, /* @P@2001 */
105 {0x01007316, "ESS0001 PnP Joystick"}, /* ESS0001 */
106 {0x2fb0d041, "Generic PnP Joystick"}, /* PNPb02f */
107 {0x2200a865, "YMH0022 PnP Joystick"}, /* YMH0022 */
108 {0x82719304, NULL}, /* ADS7182 */
109 {0}
110};
111
112static int
113joy_probe (device_t dev)
88int
89joy_probe(device_t dev)
114{
90{
115 if (ISA_PNP_PROBE(device_get_parent(dev), dev, joy_ids) == ENXIO)
116 return ENXIO;
117#ifdef WANT_JOYSTICK_CONNECTED
118#ifdef notyet
91#ifdef WANT_JOYSTICK_CONNECTED
92#ifdef notyet
119 outb (dev->id_iobase, 0xff);
120 DELAY (10000); /* 10 ms delay */
121 return (inb (dev->id_iobase) & 0x0f) != 0x0f;
93 outb(dev->id_iobase, 0xff);
94 DELAY(10000); /* 10 ms delay */
95 return (inb(dev->id_iobase) & 0x0f) != 0x0f;
96#else
97 return (0);
122#endif
123#else
98#endif
99#else
124 return 0;
100 return (0);
125#endif
126}
127
101#endif
102}
103
128static int
129joy_attach (device_t dev)
104int
105joy_attach(device_t dev)
130{
106{
131 int unit = device_get_unit(dev);
132 int rid = 0;
133 struct resource *res;
134 struct joy_softc *joy = device_get_softc(dev);
107 int unit = device_get_unit(dev);
108 struct joy_softc *joy = device_get_softc(dev);
135
109
136 res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE);
137 if (res == NULL)
138 return ENXIO;
139 joy->bt = rman_get_bustag(res);
140 joy->port = rman_get_bushandle(res);
141 joy->timeout[0] = joy->timeout[1] = 0;
142 make_dev(&joy_cdevsw, 0, 0, 0, 0600, "joy%d", unit);
143 return 0;
110 joy->rid = 0;
111 joy->res = bus_alloc_resource(dev, SYS_RES_IOPORT, &joy->rid, 0, ~0, 1,
112 RF_ACTIVE);
113 if (joy->res == NULL)
114 return ENXIO;
115 joy->bt = rman_get_bustag(joy->res);
116 joy->port = rman_get_bushandle(joy->res);
117 joy->timeout[0] = joy->timeout[1] = 0;
118 joy->d = make_dev(&joy_cdevsw, 0, 0, 0, 0600, "joy%d", unit);
119 return (0);
144}
145
120}
121
146static device_method_t joy_methods[] = {
147 DEVMETHOD(device_probe, joy_probe),
148 DEVMETHOD(device_attach, joy_attach),
149 { 0, 0 }
150};
122int
123joy_detach(device_t dev)
124{
125 struct joy_softc *joy = device_get_softc(dev);
151
126
152static driver_t joy_isa_driver = {
153 "joy",
154 joy_methods,
155 sizeof (struct joy_softc)
156};
127 if (joy->res != NULL)
128 bus_release_resource(dev, SYS_RES_IOPORT, joy->rid, joy->res);
129 if (joy->d)
130 destroy_dev(joy->d);
131 return (0);
132}
157
133
158DRIVER_MODULE(joy, isa, joy_isa_driver, joy_devclass, 0, 0);
159DRIVER_MODULE(joy, acpi, joy_isa_driver, joy_devclass, 0, 0);
160
161static int
162joyopen(dev_t dev, int flags, int fmt, struct thread *td)
163{
134
135static int
136joyopen(dev_t dev, int flags, int fmt, struct thread *td)
137{
164 int i = joypart (dev);
165 struct joy_softc *joy = JOY_SOFTC(UNIT(dev));
138 int i = joypart (dev);
139 struct joy_softc *joy = JOY_SOFTC(UNIT(dev));
166
140
167 if (joy->timeout[i])
168 return EBUSY;
169 joy->x_off[i] = joy->y_off[i] = 0;
170 joy->timeout[i] = JOY_TIMEOUT;
171 return 0;
141 if (joy->timeout[i])
142 return (EBUSY);
143 joy->x_off[i] = joy->y_off[i] = 0;
144 joy->timeout[i] = JOY_TIMEOUT;
145 return (0);
172}
173
174static int
175joyclose(dev_t dev, int flags, int fmt, struct thread *td)
176{
146}
147
148static int
149joyclose(dev_t dev, int flags, int fmt, struct thread *td)
150{
177 int i = joypart (dev);
178 struct joy_softc *joy = JOY_SOFTC(UNIT(dev));
151 int i = joypart (dev);
152 struct joy_softc *joy = JOY_SOFTC(UNIT(dev));
179
153
180 joy->timeout[i] = 0;
181 return 0;
154 joy->timeout[i] = 0;
155 return (0);
182}
183
184static int
185joyread(dev_t dev, struct uio *uio, int flag)
186{
156}
157
158static int
159joyread(dev_t dev, struct uio *uio, int flag)
160{
187 struct joy_softc *joy = JOY_SOFTC(UNIT(dev));
188 bus_space_handle_t port = joy->port;
189 bus_space_tag_t bt = joy->bt;
190 struct timespec t, start, end;
191 int state = 0;
192 struct timespec x, y;
193 struct joystick c;
161 struct joy_softc *joy = JOY_SOFTC(UNIT(dev));
162 bus_space_handle_t port = joy->port;
163 bus_space_tag_t bt = joy->bt;
164 struct timespec t, start, end;
165 int state = 0;
166 struct timespec x, y;
167 struct joystick c;
194#ifndef i386
168#ifndef i386
195 int s;
169 int s;
196
170
197 s = splhigh();
171 s = splhigh();
198#else
172#else
199 disable_intr ();
173 disable_intr ();
200#endif
174#endif
201 bus_space_write_1 (bt, port, 0, 0xff);
202 nanotime(&start);
203 end.tv_sec = 0;
204 end.tv_nsec = joy->timeout[joypart(dev)] * 1000;
205 timespecadd(&end, &start);
206 t = start;
207 timespecclear(&x);
208 timespecclear(&y);
209 while (timespeccmp(&t, &end, <)) {
210 state = bus_space_read_1 (bt, port, 0);
211 if (joypart(dev) == 1)
212 state >>= 2;
213 nanotime(&t);
214 if (!timespecisset(&x) && !(state & 0x01))
215 x = t;
216 if (!timespecisset(&y) && !(state & 0x02))
217 y = t;
218 if (timespecisset(&x) && timespecisset(&y))
219 break;
220 }
175 bus_space_write_1 (bt, port, 0, 0xff);
176 nanotime(&start);
177 end.tv_sec = 0;
178 end.tv_nsec = joy->timeout[joypart(dev)] * 1000;
179 timespecadd(&end, &start);
180 t = start;
181 timespecclear(&x);
182 timespecclear(&y);
183 while (timespeccmp(&t, &end, <)) {
184 state = bus_space_read_1 (bt, port, 0);
185 if (joypart(dev) == 1)
186 state >>= 2;
187 nanotime(&t);
188 if (!timespecisset(&x) && !(state & 0x01))
189 x = t;
190 if (!timespecisset(&y) && !(state & 0x02))
191 y = t;
192 if (timespecisset(&x) && timespecisset(&y))
193 break;
194 }
221#ifndef i386
195#ifndef i386
222 splx(s);
196 splx(s);
223#else
197#else
224 enable_intr ();
198 enable_intr ();
225#endif
199#endif
226 if (timespecisset(&x)) {
227 timespecsub(&x, &start);
228 c.x = joy->x_off[joypart(dev)] + x.tv_nsec / 1000;
229 } else
230 c.x = 0x80000000;
231 if (timespecisset(&y)) {
232 timespecsub(&y, &start);
233 c.y = joy->y_off[joypart(dev)] + y.tv_nsec / 1000;
234 } else
235 c.y = 0x80000000;
236 state >>= 4;
237 c.b1 = ~state & 1;
238 c.b2 = ~(state >> 1) & 1;
239 return uiomove ((caddr_t)&c, sizeof(struct joystick), uio);
200 if (timespecisset(&x)) {
201 timespecsub(&x, &start);
202 c.x = joy->x_off[joypart(dev)] + x.tv_nsec / 1000;
203 } else
204 c.x = 0x80000000;
205 if (timespecisset(&y)) {
206 timespecsub(&y, &start);
207 c.y = joy->y_off[joypart(dev)] + y.tv_nsec / 1000;
208 } else
209 c.y = 0x80000000;
210 state >>= 4;
211 c.b1 = ~state & 1;
212 c.b2 = ~(state >> 1) & 1;
213 return (uiomove((caddr_t)&c, sizeof(struct joystick), uio));
240}
241
242static int
243joyioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td)
244{
214}
215
216static int
217joyioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td)
218{
245 struct joy_softc *joy = JOY_SOFTC(UNIT(dev));
246 int i = joypart (dev);
247 int x;
219 struct joy_softc *joy = JOY_SOFTC(UNIT(dev));
220 int i = joypart (dev);
221 int x;
248
222
249 switch (cmd) {
250 case JOY_SETTIMEOUT:
251 x = *(int *) data;
252 if (x < 1 || x > 10000) /* 10ms maximum! */
253 return EINVAL;
254 joy->timeout[i] = x;
255 break;
256 case JOY_GETTIMEOUT:
257 *(int *) data = joy->timeout[i];
258 break;
259 case JOY_SET_X_OFFSET:
260 joy->x_off[i] = *(int *) data;
261 break;
262 case JOY_SET_Y_OFFSET:
263 joy->y_off[i] = *(int *) data;
264 break;
265 case JOY_GET_X_OFFSET:
266 *(int *) data = joy->x_off[i];
267 break;
268 case JOY_GET_Y_OFFSET:
269 *(int *) data = joy->y_off[i];
270 break;
271 default:
272 return ENXIO;
273 }
274 return 0;
223 switch (cmd) {
224 case JOY_SETTIMEOUT:
225 x = *(int *) data;
226 if (x < 1 || x > 10000) /* 10ms maximum! */
227 return EINVAL;
228 joy->timeout[i] = x;
229 break;
230 case JOY_GETTIMEOUT:
231 *(int *) data = joy->timeout[i];
232 break;
233 case JOY_SET_X_OFFSET:
234 joy->x_off[i] = *(int *) data;
235 break;
236 case JOY_SET_Y_OFFSET:
237 joy->y_off[i] = *(int *) data;
238 break;
239 case JOY_GET_X_OFFSET:
240 *(int *) data = joy->x_off[i];
241 break;
242 case JOY_GET_Y_OFFSET:
243 *(int *) data = joy->y_off[i];
244 break;
245 default:
246 return (ENOTTY);
247 }
248 return (0);
275}
249}