summaryrefslogtreecommitdiff
path: root/sys/arch/pmax/dev/fb_usrreq.c
blob: 9b01185eb50b9dc1506904f45a14662ff59755fb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
/*ARGSUSED*/
int
fbopen(dev, flag, mode, p)
	dev_t dev;
	int flag, mode;
	struct proc *p;
{
	register struct fbinfo *fi;

#ifdef fpinitialized
	if (!fp->initialized)
		return (ENXIO);
#endif

	if (minor(dev) >= fbcd.cd_ndevs ||
	    (fi = fbcd.cd_devs[minor(dev)]) == NULL)
	    return(ENXIO);

	if (fi->fi_open)
		return (EBUSY);

	fi->fi_open = 1;

	(*fi->fi_driver->fbd_initcmap)(fi);

	/*
	 * Set up event queue for later
	 */
	pmEventQueueInit(&fi->fi_fbu->scrInfo.qe);
	genConfigMouse();

	return (0);
}

/*ARGSUSED*/
int
fbclose(dev, flag, mode, p)
	dev_t dev;
	int flag, mode;
	struct proc *p;
{
	register struct fbinfo *fi;
	register struct pmax_fbtty *fbtty;

	if (minor(dev) >= fbcd.cd_ndevs ||
	    (fi = fbcd.cd_devs[minor(dev)]) == NULL)
	    return(EBADF);

	if (!fi->fi_open)
		return (EBADF);

	fbtty = fi->fi_glasstty;
	fi->fi_open = 0;
	(*fi->fi_driver->fbd_initcmap)(fi);
	genDeconfigMouse();
	fbScreenInit(fi);

	bzero((caddr_t)fi->fi_pixels, fi->fi_pixelsize);
	(*fi->fi_driver->fbd_poscursor)
		(fi, fbtty->col * 8, fbtty->row * 15);
	return (0);
}

/*ARGSUSED*/
int
fbioctl(dev, cmd, data, flag, p)
	dev_t dev;
	u_long cmd;
	caddr_t data;
	struct proc *p;
{
	register struct fbinfo *fi;
	register struct pmax_fbtty *fbtty;
	char cmap_buf [3];

	if (minor(dev) >= fbcd.cd_ndevs ||
	    (fi = fbcd.cd_devs[minor(dev)]) == NULL)
	    return(EBADF);

	fbtty = fi->fi_glasstty;

	switch (cmd) {

	/*
	 * Ultrix-compatible, pm/qvss-style ioctls(). Mostly
	 * so that X consortium Xservers work.
	 */
	case QIOCGINFO:
		return (fbmmap_fb(fi, dev, data, p));

	case QIOCPMSTATE:
		/*
		 * Set mouse state.
		 */
		fi->fi_fbu->scrInfo.mouse = *(pmCursor *)data;
		(*fi->fi_driver->fbd_poscursor)
			(fi, fi->fi_fbu->scrInfo.mouse.x,
			     fi->fi_fbu->scrInfo.mouse.y);
		break;

	case QIOCINIT:
		/*
		 * Initialize the screen.
		 */
		fbScreenInit(fi);
		break;

	case QIOCKPCMD:
	    {
		pmKpCmd *kpCmdPtr;
		unsigned char *cp;

		kpCmdPtr = (pmKpCmd *)data;
		if (kpCmdPtr->nbytes == 0)
			kpCmdPtr->cmd |= 0x80;
		if (!fi->fi_open)
			kpCmdPtr->cmd |= 1;
		(*fbtty->KBDPutc)(fbtty->kbddev, (int)kpCmdPtr->cmd);
		cp = &kpCmdPtr->par[0];
		for (; kpCmdPtr->nbytes > 0; cp++, kpCmdPtr->nbytes--) {
			if (kpCmdPtr->nbytes == 1)
				*cp |= 0x80;
			(*fbtty->KBDPutc)(fbtty->kbddev, (int)*cp);
		}
		break;
	    }

	case QIOCADDR:
		*(PM_Info **)data = &fi->fi_fbu->scrInfo;
		break;

	case QIOWCURSOR:
		(*fi->fi_driver->fbd_loadcursor)
			(fi, (unsigned short *)data);
		break;

	case QIOWCURSORCOLOR:
		(*fi->fi_driver->fbd_cursorcolor)(fi, (unsigned int *)data);
		break;

	case QIOSETCMAP:
		cmap_buf[0] = ((ColorMap *)data)->Entry.red;
		cmap_buf[1] = ((ColorMap *)data)->Entry.green;
		cmap_buf[2] = ((ColorMap *)data)->Entry.blue;
		(*fi->fi_driver->fbd_putcmap)
			(fi,
			 cmap_buf,
			 ((ColorMap *)data)->index,  1);
		break;

	case QIOKERNLOOP:
		genConfigMouse();
		break;

	case QIOKERNUNLOOP:
		genDeconfigMouse();
		break;

	case QIOVIDEOON:
		(*fi->fi_driver->fbd_unblank) (fi);
		break;

	case QIOVIDEOOFF:
		(*fi->fi_driver->fbd_blank) (fi);
		break;


	/*
	 * Sun-style ioctls, mostly so that screenblank(1) and other
	 * ``native'' NetBSD applications work.
	 */
	case FBIOGTYPE:
		*(struct fbtype *)data = fi->fi_type;
		break;

	case FBIOGETCMAP:
		return ((*(fi->fi_driver -> fbd_getcmap))
			(fi, data, 0, fi->fi_type.fb_cmsize));

	case FBIOPUTCMAP:
		return ((*(fi->fi_driver -> fbd_putcmap))
			(fi, data, 0, fi->fi_type.fb_cmsize));
		break;

	case FBIOGVIDEO:
		*(int *)data = fi->fi_blanked;
		break;

	case FBIOSVIDEO:
		if (*(int *)data)
			return (*(fi->fi_driver->fbd_blank)) (fi);
		else
			return (*(fi->fi_driver->fbd_unblank)) (fi);

	default:
		printf("fb%d: Unknown ioctl command %lx\n", minor(dev), cmd);
		return (EINVAL);
	}
	return (0);
}

/* fbselect(dev, events, p) should be fbpoll(dev, events, p) */
/* see also pmax/conf.c TTTTT */


/*
 * Poll on Digital-OS-compatible in-kernel input-event ringbuffer.
 */
int
fbselect(dev, events, p)
	dev_t dev;
	int events;
	struct proc *p;
{
	struct fbinfo *fi = fbcd.cd_devs[minor(dev)];
	int revents = 0;

	if (events & (POLLIN | POLLRDNORM)) {
		if (fi->fi_fbu->scrInfo.qe.eHead !=
		    fi->fi_fbu->scrInfo.qe.eTail)
		 	revents |= (events & (POLLIN|POLLRDNORM));
		else
	  		selrecord(p, &fi->fi_selp);
	}

	/* XXX mice are not writable, what to do for poll on write? */
#ifdef notdef
	if (events & (POLLOUT | POLLWRNORM))
		revents |= events & (POLLOUT | POLLWRNORM);
#endif

	return (revents);
}


/*
 * Return the physical page number that corresponds to byte offset 'off'.
 */
/*ARGSUSED*/
int
fbmmap(dev, off, prot)
	dev_t dev;
	int off, prot;
{
	int len;
	register struct fbinfo *fi;

	if (minor(dev) >= fbcd.cd_ndevs ||
	    (fi = fbcd.cd_devs[minor(dev)]) == NULL)
	    return(-1);

	len = mips_round_page(((vm_offset_t)fi->fi_fbu & PGOFSET)
			      + sizeof(*fi->fi_fbu));
	if (off < len)
		return (int)mips_btop(MACH_CACHED_TO_PHYS(fi->fi_fbu) + off);
	off -= len;
	if (off >= fi->fi_type.fb_size)
		return (-1);
	return (int)mips_btop(MACH_UNCACHED_TO_PHYS(fi->fi_pixels) + off);
}