[unix-history] / usr / src / sys / hp300 / dev / ite_dv.c

/*
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * %sccs.include.redist.c%
 *
 * from: Utah $Hdr: ite_dv.c 1.5 89/04/11$
 *
 *	@(#)ite_dv.c	7.1 (Berkeley) %G%
 */

#include "ite.h"
#if NITE > 0

#include "param.h"
#include "conf.h"
#include "user.h"
#include "proc.h"
#include "ioctl.h"
#include "tty.h"
#include "systm.h"
#include "uio.h"

#include "itevar.h"
#include "itereg.h"
#include "grf_dvreg.h"

#include "machine/cpu.h"

/* XXX */
#include "grfioctl.h"
#include "grfvar.h"

#define REGBASE		((struct dvboxfb *)(ip->regbase))
#define WINDOWMOVER	dvbox_windowmove

dvbox_init(ip)
	struct ite_softc *ip;
{
	int i;
	
	/* XXX */
	if (ip->regbase == 0) {
		struct grfinfo *gi = &grf_softc[ip - ite_softc].g_display;
		ip->regbase = IOV(gi->gd_regaddr);
		ip->fbbase = IOV(gi->gd_fbaddr);
	}

	dv_reset(REGADDR);

	/*
	 * Turn on frame buffer, turn on overlay planes, set replacement
	 * rule, enable top overlay plane writes for ite, disable all frame
	 * buffer planes, set byte per pixel, and display frame buffer 0.
	 * Lastly, turn on the box.
	 */
	REGBASE->interrupt = 0x04;
	REGBASE->drive     = 0x10;		
 	REGBASE->rep_rule  = RR_COPY << 4 | RR_COPY;
	REGBASE->opwen     = 0x01;
	REGBASE->fbwen     = 0x0;
	REGBASE->fold      = 0x01;
	REGBASE->vdrive    = 0x0;
	REGBASE->dispen    = 0x01;

	/*
	 * Video enable top overlay plane.
	 */
	REGBASE->opvenp = 0x01;
	REGBASE->opvens = 0x01;

	/*
	 * Make sure that overlay planes override frame buffer planes.
	 */
	REGBASE->ovly0p  = 0x0;
	REGBASE->ovly0s  = 0x0;
	REGBASE->ovly1p  = 0x0;
	REGBASE->ovly1s  = 0x0;
	REGBASE->fv_trig = 0x1;
	DELAY(100);

	/*
	 * Setup the overlay colormaps. Need to set the 0,1 (black/white)
	 * color for both banks.
	 */

	for (i = 0; i <= 1; i++) {
		REGBASE->cmapbank = i;
		REGBASE->rgb[0].red   = 0x00;
		REGBASE->rgb[0].green = 0x00;
		REGBASE->rgb[0].blue  = 0x00;
		REGBASE->rgb[1].red   = 0xFF;
		REGBASE->rgb[1].green = 0xFF;
		REGBASE->rgb[1].blue  = 0xFF;
	}
	REGBASE->cmapbank = 0;
	
	db_waitbusy(REGADDR);

	ite_devinfo(ip);
	ite_fontinit(ip);

	/*
	 * Clear the (visible) framebuffer.
	 */
	dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
	db_waitbusy(REGADDR);

	/*
	 * Stash the inverted cursor.
	 */
	dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
			 ip->cblanky, ip->cblankx, ip->ftheight,
			 ip->ftwidth, RR_COPYINVERTED);
}

dvbox_deinit(ip)
	struct ite_softc *ip;
{
	dvbox_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
	db_waitbusy(REGADDR);

   	ip->flags &= ~ITE_INITED;
}

dvbox_putc(ip, c, dy, dx, mode)
	register struct ite_softc *ip;
        register int dy, dx;
	int c, mode;
{
        register int wrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
	
	dvbox_windowmove(ip, charY(ip, c), charX(ip, c),
			 dy * ip->ftheight, dx * ip->ftwidth,
			 ip->ftheight, ip->ftwidth, wrr);
}

dvbox_cursor(ip, flag)
	register struct ite_softc *ip;
        register int flag;
{
	if (flag == DRAW_CURSOR)
		draw_cursor(ip)
	else if (flag == MOVE_CURSOR) {
		erase_cursor(ip)
		draw_cursor(ip)
	}
	else
		erase_cursor(ip)
}

dvbox_clear(ip, sy, sx, h, w)
	struct ite_softc *ip;
	register int sy, sx, h, w;
{
	dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
			 sy * ip->ftheight, sx * ip->ftwidth, 
			 h  * ip->ftheight, w  * ip->ftwidth,
			 RR_CLEAR);
}

dvbox_scroll(ip, sy, sx, count, dir)
        register struct ite_softc *ip;
        register int sy, count;
        int dir, sx;
{
	register int dy;
	register int dx = sx;
	register int height = 1;
	register int width = ip->cols;

	dvbox_cursor(ip, ERASE_CURSOR);

	if (dir == SCROLL_UP) {
		dy = sy - count;
		height = ip->rows - sy;
	}
	else if (dir == SCROLL_DOWN) {
		dy = sy + count;
		height = ip->rows - dy - 1;
	}
	else if (dir == SCROLL_RIGHT) {
		dy = sy;
		dx = sx + count;
		width = ip->cols - dx;
	}
	else {
		dy = sy;
		dx = sx - count;
		width = ip->cols - sx;
	}		

	dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
			 dy * ip->ftheight, dx * ip->ftwidth,
			 height * ip->ftheight,
			 width  * ip->ftwidth, RR_COPY);
}

dvbox_windowmove(ip, sy, sx, dy, dx, h, w, func)
	struct ite_softc *ip;
	int sy, sx, dy, dx, h, w, func;
{
	register struct dvboxfb *dp = REGBASE;
	if (h == 0 || w == 0)
		return;
	
	db_waitbusy(REGADDR);
	dp->rep_rule = func << 4 | func;
	dp->source_y = sy;
	dp->source_x = sx;
	dp->dest_y   = dy;
	dp->dest_x   = dx;
	dp->wheight  = h;
	dp->wwidth   = w;
	dp->wmove    = 1;
}
#endif
Commit	Line	Data
60f56dfc KM	1	/*
	2	* Copyright (c) 1988 University of Utah.
	3	* Copyright (c) 1990 The Regents of the University of California.
	4	* All rights reserved.
	5	*
	6	* This code is derived from software contributed to Berkeley by
	7	* the Systems Programming Group of the University of Utah Computer
	8	* Science Department.
	9	*
	10	* %sccs.include.redist.c%
	11	*
	12	* from: Utah $Hdr: ite_dv.c 1.5 89/04/11$
	13	*
	14	* @(#)ite_dv.c 7.1 (Berkeley) %G%
	15	*/
	16
	17	#include "ite.h"
	18	#if NITE > 0
	19
	20	#include "param.h"
	21	#include "conf.h"
	22	#include "user.h"
	23	#include "proc.h"
	24	#include "ioctl.h"
	25	#include "tty.h"
	26	#include "systm.h"
	27	#include "uio.h"
	28
	29	#include "itevar.h"
	30	#include "itereg.h"
	31	#include "grf_dvreg.h"
	32
	33	#include "machine/cpu.h"
	34
	35	/* XXX */
	36	#include "grfioctl.h"
	37	#include "grfvar.h"
	38
	39	#define REGBASE ((struct dvboxfb *)(ip->regbase))
	40	#define WINDOWMOVER dvbox_windowmove
	41
	42	dvbox_init(ip)
	43	struct ite_softc *ip;
	44	{
	45	int i;
	46
	47	/* XXX */
	48	if (ip->regbase == 0) {
	49	struct grfinfo *gi = &grf_softc[ip - ite_softc].g_display;
	50	ip->regbase = IOV(gi->gd_regaddr);
	51	ip->fbbase = IOV(gi->gd_fbaddr);
	52	}
	53
	54	dv_reset(REGADDR);
	55
	56	/*
	57	* Turn on frame buffer, turn on overlay planes, set replacement
	58	* rule, enable top overlay plane writes for ite, disable all frame
	59	* buffer planes, set byte per pixel, and display frame buffer 0.
	60	* Lastly, turn on the box.
	61	*/
	62	REGBASE->interrupt = 0x04;
	63	REGBASE->drive = 0x10;
	64	REGBASE->rep_rule = RR_COPY << 4 \| RR_COPY;
65	REGBASE->opwen = 0x01;
66	REGBASE->fbwen = 0x0;
67	REGBASE->fold = 0x01;
68	REGBASE->vdrive = 0x0;
69	REGBASE->dispen = 0x01;
70
71	/*
72	* Video enable top overlay plane.
73	*/
74	REGBASE->opvenp = 0x01;
75	REGBASE->opvens = 0x01;
76
77	/*
78	* Make sure that overlay planes override frame buffer planes.
79	*/
80	REGBASE->ovly0p = 0x0;
81	REGBASE->ovly0s = 0x0;
82	REGBASE->ovly1p = 0x0;
83	REGBASE->ovly1s = 0x0;
84	REGBASE->fv_trig = 0x1;
85	DELAY(100);
86
87	/*
88	* Setup the overlay colormaps. Need to set the 0,1 (black/white)
89	* color for both banks.
90	*/
91
92	for (i = 0; i <= 1; i++) {
93	REGBASE->cmapbank = i;
94	REGBASE->rgb[0].red = 0x00;
95	REGBASE->rgb[0].green = 0x00;
96	REGBASE->rgb[0].blue = 0x00;
97	REGBASE->rgb[1].red = 0xFF;
98	REGBASE->rgb[1].green = 0xFF;
99	REGBASE->rgb[1].blue = 0xFF;
100	}
101	REGBASE->cmapbank = 0;
102
103	db_waitbusy(REGADDR);
104
105	ite_devinfo(ip);
106	ite_fontinit(ip);
107
108	/*
109	* Clear the (visible) framebuffer.
110	*/
111	dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
112	db_waitbusy(REGADDR);
113
114	/*
115	* Stash the inverted cursor.
116	*/
117	dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
118	ip->cblanky, ip->cblankx, ip->ftheight,
119	ip->ftwidth, RR_COPYINVERTED);
120	}
121
122	dvbox_deinit(ip)
123	struct ite_softc *ip;
124	{
125	dvbox_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
126	db_waitbusy(REGADDR);
127
128	ip->flags &= ~ITE_INITED;
129	}
130
131	dvbox_putc(ip, c, dy, dx, mode)
132	register struct ite_softc *ip;
133	register int dy, dx;
134	int c, mode;
135	{
136	register int wrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
137
138	dvbox_windowmove(ip, charY(ip, c), charX(ip, c),
139	dy * ip->ftheight, dx * ip->ftwidth,
140	ip->ftheight, ip->ftwidth, wrr);
141	}
142
143	dvbox_cursor(ip, flag)
144	register struct ite_softc *ip;
145	register int flag;
146	{
147	if (flag == DRAW_CURSOR)
148	draw_cursor(ip)
149	else if (flag == MOVE_CURSOR) {
150	erase_cursor(ip)
151	draw_cursor(ip)
152	}
153	else
154	erase_cursor(ip)
155	}
156
157	dvbox_clear(ip, sy, sx, h, w)
158	struct ite_softc *ip;
159	register int sy, sx, h, w;
160	{
161	dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
162	sy * ip->ftheight, sx * ip->ftwidth,
163	h * ip->ftheight, w * ip->ftwidth,
164	RR_CLEAR);
165	}
166
167	dvbox_scroll(ip, sy, sx, count, dir)
168	register struct ite_softc *ip;
169	register int sy, count;
170	int dir, sx;
171	{
172	register int dy;
173	register int dx = sx;
174	register int height = 1;
175	register int width = ip->cols;
176
177	dvbox_cursor(ip, ERASE_CURSOR);
178
179	if (dir == SCROLL_UP) {
180	dy = sy - count;
181	height = ip->rows - sy;
182	}
183	else if (dir == SCROLL_DOWN) {
184	dy = sy + count;
185	height = ip->rows - dy - 1;
186	}
187	else if (dir == SCROLL_RIGHT) {
188	dy = sy;
189	dx = sx + count;
190	width = ip->cols - dx;
191	}
192	else {
193	dy = sy;
194	dx = sx - count;
195	width = ip->cols - sx;
196	}
197
198	dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
199	dy * ip->ftheight, dx * ip->ftwidth,
200	height * ip->ftheight,
201	width * ip->ftwidth, RR_COPY);
202	}
203
204	dvbox_windowmove(ip, sy, sx, dy, dx, h, w, func)
205	struct ite_softc *ip;
206	int sy, sx, dy, dx, h, w, func;
207	{
208	register struct dvboxfb *dp = REGBASE;
209	if (h == 0 \|\| w == 0)
210	return;
211
212	db_waitbusy(REGADDR);
213	dp->rep_rule = func << 4 \| func;
214	dp->source_y = sy;
215	dp->source_x = sx;
216	dp->dest_y = dy;
217	dp->dest_x = dx;
218	dp->wheight = h;
219	dp->wwidth = w;
220	dp->wmove = 1;
221	}
222	#endif