2 * newport_con.c: Abscon for newport hardware
4 * (C) 1998 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
5 * (C) 1999 Ulf Carlsson (ulfc@thepuffingruop.com)
7 * This driver is based on sgicons.c and cons_newport.
9 * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
10 * Copyright (C) 1997 Miguel de Icaza (miguel@nuclecu.unam.mx)
12 #include <linux/init.h>
13 #include <linux/kernel.h>
14 #include <linux/errno.h>
16 #include <linux/selection.h>
17 #include <linux/console.h>
18 #include <linux/vt_kern.h>
20 #include <linux/module.h>
21 #include <linux/slab.h>
24 #include <asm/uaccess.h>
25 #include <asm/system.h>
27 #include <asm/pgtable.h>
28 #include <video/newport.h>
30 #include <linux/linux_logo.h>
31 #include <linux/font.h>
34 extern unsigned long sgi_gfxaddr
;
36 #define FONT_DATA ((unsigned char *)font_vga_8x16.data)
38 /* borrowed from fbcon.c */
39 #define REFCOUNT(fd) (((int *)(fd))[-1])
40 #define FNTSIZE(fd) (((int *)(fd))[-2])
41 #define FNTCHARCNT(fd) (((int *)(fd))[-3])
42 #define FONT_EXTRA_WORDS 3
44 static unsigned char *font_data
[MAX_NR_CONSOLES
];
46 static struct newport_regs
*npregs
;
48 static int logo_active
;
50 static int xcurs_correction
= 29;
51 static int newport_xsize
;
52 static int newport_ysize
;
53 static int newport_has_init
;
55 static int newport_set_def_font(int unit
, struct console_font
*op
);
57 #define BMASK(c) (c << 24)
59 #define RENDER(regs, cp) do { \
60 (regs)->go.zpattern = BMASK((cp)[0x0]); (regs)->go.zpattern = BMASK((cp)[0x1]); \
61 (regs)->go.zpattern = BMASK((cp)[0x2]); (regs)->go.zpattern = BMASK((cp)[0x3]); \
62 (regs)->go.zpattern = BMASK((cp)[0x4]); (regs)->go.zpattern = BMASK((cp)[0x5]); \
63 (regs)->go.zpattern = BMASK((cp)[0x6]); (regs)->go.zpattern = BMASK((cp)[0x7]); \
64 (regs)->go.zpattern = BMASK((cp)[0x8]); (regs)->go.zpattern = BMASK((cp)[0x9]); \
65 (regs)->go.zpattern = BMASK((cp)[0xa]); (regs)->go.zpattern = BMASK((cp)[0xb]); \
66 (regs)->go.zpattern = BMASK((cp)[0xc]); (regs)->go.zpattern = BMASK((cp)[0xd]); \
67 (regs)->go.zpattern = BMASK((cp)[0xe]); (regs)->go.zpattern = BMASK((cp)[0xf]); \
70 #define TESTVAL 0xdeadbeef
71 #define XSTI_TO_FXSTART(val) (((val) & 0xffff) << 11)
73 static inline void newport_render_background(int xstart
, int ystart
,
74 int xend
, int yend
, int ci
)
77 npregs
->set
.wrmask
= 0xffffffff;
78 npregs
->set
.drawmode0
= (NPORT_DMODE0_DRAW
| NPORT_DMODE0_BLOCK
|
79 NPORT_DMODE0_DOSETUP
| NPORT_DMODE0_STOPX
80 | NPORT_DMODE0_STOPY
);
81 npregs
->set
.colori
= ci
;
82 npregs
->set
.xystarti
=
83 (xstart
<< 16) | ((ystart
+ topscan
) & 0x3ff);
85 ((xend
+ 7) << 16) | ((yend
+ topscan
+ 15) & 0x3ff);
88 static inline void newport_init_cmap(void)
92 for (i
= 0; i
< 16; i
++) {
93 newport_bfwait(npregs
);
94 newport_cmap_setaddr(npregs
, color_table
[i
]);
95 newport_cmap_setrgb(npregs
,
97 default_grn
[i
], default_blu
[i
]);
101 static const struct linux_logo
*newport_show_logo(void)
103 #ifdef CONFIG_LOGO_SGI_CLUT224
104 const struct linux_logo
*logo
= fb_find_logo(8);
105 const unsigned char *clut
;
106 const unsigned char *data
;
114 for (i
= 0; i
< logo
->clutsize
; i
++) {
115 newport_bfwait(npregs
);
116 newport_cmap_setaddr(npregs
, i
+ 0x20);
117 newport_cmap_setrgb(npregs
, clut
[0], clut
[1], clut
[2]);
121 newport_wait(npregs
);
122 npregs
->set
.drawmode0
= (NPORT_DMODE0_DRAW
| NPORT_DMODE0_BLOCK
|
125 npregs
->set
.xystarti
= ((newport_xsize
- logo
->width
) << 16) | (0);
126 npregs
->set
.xyendi
= ((newport_xsize
- 1) << 16);
127 newport_wait(npregs
);
129 for (i
= 0; i
< logo
->width
*logo
->height
; i
++)
130 npregs
->go
.hostrw0
= *data
++ << 24;
133 #endif /* CONFIG_LOGO_SGI_CLUT224 */
136 static inline void newport_clear_screen(int xstart
, int ystart
, int xend
,
142 newport_wait(npregs
);
143 npregs
->set
.wrmask
= 0xffffffff;
144 npregs
->set
.drawmode0
= (NPORT_DMODE0_DRAW
| NPORT_DMODE0_BLOCK
|
145 NPORT_DMODE0_DOSETUP
| NPORT_DMODE0_STOPX
146 | NPORT_DMODE0_STOPY
);
147 npregs
->set
.colori
= ci
;
148 npregs
->set
.xystarti
= (xstart
<< 16) | ystart
;
149 npregs
->go
.xyendi
= (xend
<< 16) | yend
;
152 static inline void newport_clear_lines(int ystart
, int yend
, int ci
)
154 ystart
= ((ystart
<< 4) + topscan
) & 0x3ff;
155 yend
= ((yend
<< 4) + topscan
+ 15) & 0x3ff;
156 newport_clear_screen(0, ystart
, 1280 + 63, yend
, ci
);
159 static void newport_reset(void)
164 newport_wait(npregs
);
165 treg
= newport_vc2_get(npregs
, VC2_IREG_CONTROL
);
166 newport_vc2_set(npregs
, VC2_IREG_CONTROL
,
167 (treg
| VC2_CTRL_EVIDEO
));
169 treg
= newport_vc2_get(npregs
, VC2_IREG_CENTRY
);
170 newport_vc2_set(npregs
, VC2_IREG_RADDR
, treg
);
171 npregs
->set
.dcbmode
= (NPORT_DMODE_AVC2
| VC2_REGADDR_RAM
|
172 NPORT_DMODE_W2
| VC2_PROTOCOL
);
173 for (i
= 0; i
< 128; i
++) {
174 newport_bfwait(npregs
);
175 if (i
== 92 || i
== 94)
176 npregs
->set
.dcbdata0
.byshort
.s1
= 0xff00;
178 npregs
->set
.dcbdata0
.byshort
.s1
= 0x0000;
183 /* turn off popup plane */
184 npregs
->set
.dcbmode
= (DCB_XMAP0
| R_DCB_XMAP9_PROTOCOL
|
185 XM9_CRS_CONFIG
| NPORT_DMODE_W1
);
186 npregs
->set
.dcbdata0
.bybytes
.b3
&= ~XM9_PUPMODE
;
187 npregs
->set
.dcbmode
= (DCB_XMAP1
| R_DCB_XMAP9_PROTOCOL
|
188 XM9_CRS_CONFIG
| NPORT_DMODE_W1
);
189 npregs
->set
.dcbdata0
.bybytes
.b3
&= ~XM9_PUPMODE
;
192 npregs
->cset
.topscan
= 0x3ff;
193 npregs
->cset
.xywin
= (4096 << 16) | 4096;
195 /* Clear the screen. */
196 newport_clear_screen(0, 0, 1280 + 63, 1024, 0);
200 * calculate the actual screen size by reading
201 * the video timing out of the VC2
203 static void newport_get_screensize(void)
206 unsigned short ventry
, treg
;
207 unsigned short linetable
[128]; /* should be enough */
209 ventry
= newport_vc2_get(npregs
, VC2_IREG_VENTRY
);
210 newport_vc2_set(npregs
, VC2_IREG_RADDR
, ventry
);
211 npregs
->set
.dcbmode
= (NPORT_DMODE_AVC2
| VC2_REGADDR_RAM
|
212 NPORT_DMODE_W2
| VC2_PROTOCOL
);
213 for (i
= 0; i
< 128; i
++) {
214 newport_bfwait(npregs
);
215 linetable
[i
] = npregs
->set
.dcbdata0
.byshort
.s1
;
218 newport_xsize
= newport_ysize
= 0;
219 for (i
= 0; linetable
[i
+ 1] && (i
< sizeof(linetable
)); i
+= 2) {
221 newport_vc2_set(npregs
, VC2_IREG_RADDR
, linetable
[i
]);
222 npregs
->set
.dcbmode
= (NPORT_DMODE_AVC2
| VC2_REGADDR_RAM
|
223 NPORT_DMODE_W2
| VC2_PROTOCOL
);
225 newport_bfwait(npregs
);
226 treg
= npregs
->set
.dcbdata0
.byshort
.s1
;
228 cols
+= (treg
>> 7) & 0xfe;
229 if ((treg
& 0x80) == 0) {
230 newport_bfwait(npregs
);
231 treg
= npregs
->set
.dcbdata0
.byshort
.s1
;
233 } while ((treg
& 0x8000) == 0);
235 if (cols
> newport_xsize
)
236 newport_xsize
= cols
;
237 newport_ysize
+= linetable
[i
+ 1];
240 printk("NG1: Screensize %dx%d\n", newport_xsize
, newport_ysize
);
243 static void newport_get_revisions(void)
246 unsigned int board_rev
;
247 unsigned int rex3_rev
;
248 unsigned int vc2_rev
;
249 unsigned int cmap_rev
;
250 unsigned int xmap9_rev
;
251 unsigned int bt445_rev
;
252 unsigned int bitplanes
;
254 rex3_rev
= npregs
->cset
.status
& NPORT_STAT_VERS
;
256 npregs
->set
.dcbmode
= (DCB_CMAP0
| NCMAP_PROTOCOL
|
257 NCMAP_REGADDR_RREG
| NPORT_DMODE_W1
);
258 tmp
= npregs
->set
.dcbdata0
.bybytes
.b3
;
260 board_rev
= (tmp
>> 4) & 7;
261 bitplanes
= ((board_rev
> 1) && (tmp
& 0x80)) ? 8 : 24;
263 npregs
->set
.dcbmode
= (DCB_CMAP1
| NCMAP_PROTOCOL
|
264 NCMAP_REGADDR_RREG
| NPORT_DMODE_W1
);
265 tmp
= npregs
->set
.dcbdata0
.bybytes
.b3
;
266 if ((tmp
& 7) < cmap_rev
)
267 cmap_rev
= (tmp
& 7);
269 vc2_rev
= (newport_vc2_get(npregs
, VC2_IREG_CONFIG
) >> 5) & 7;
271 npregs
->set
.dcbmode
= (DCB_XMAP0
| R_DCB_XMAP9_PROTOCOL
|
272 XM9_CRS_REVISION
| NPORT_DMODE_W1
);
273 xmap9_rev
= npregs
->set
.dcbdata0
.bybytes
.b3
& 7;
275 npregs
->set
.dcbmode
= (DCB_BT445
| BT445_PROTOCOL
|
276 BT445_CSR_ADDR_REG
| NPORT_DMODE_W1
);
277 npregs
->set
.dcbdata0
.bybytes
.b3
= BT445_REVISION_REG
;
278 npregs
->set
.dcbmode
= (DCB_BT445
| BT445_PROTOCOL
|
279 BT445_CSR_REVISION
| NPORT_DMODE_W1
);
280 bt445_rev
= (npregs
->set
.dcbdata0
.bybytes
.b3
>> 4) - 0x0a;
282 #define L(a) (char)('A'+(a))
284 ("NG1: Revision %d, %d bitplanes, REX3 revision %c, VC2 revision %c, xmap9 revision %c, cmap revision %c, bt445 revision %c\n",
285 board_rev
, bitplanes
, L(rex3_rev
), L(vc2_rev
), L(xmap9_rev
),
286 L(cmap_rev
? (cmap_rev
+ 1) : 0), L(bt445_rev
));
289 if (board_rev
== 3) /* I don't know all affected revisions */
290 xcurs_correction
= 21;
293 static void newport_exit(void)
297 /* free memory used by user font */
298 for (i
= 0; i
< MAX_NR_CONSOLES
; i
++)
299 newport_set_def_font(i
, NULL
);
302 /* Can't be __init, take_over_console may call it later */
303 static const char *newport_startup(void)
311 npregs
= (struct newport_regs
*)/* ioremap cannot fail */
312 ioremap(sgi_gfxaddr
, sizeof(struct newport_regs
));
313 npregs
->cset
.config
= NPORT_CFG_GD0
;
315 if (newport_wait(npregs
))
318 npregs
->set
.xstarti
= TESTVAL
;
319 if (npregs
->set
._xstart
.word
!= XSTI_TO_FXSTART(TESTVAL
))
322 for (i
= 0; i
< MAX_NR_CONSOLES
; i
++)
323 font_data
[i
] = FONT_DATA
;
326 newport_get_revisions();
327 newport_get_screensize();
328 newport_has_init
= 1;
330 return "SGI Newport";
336 static void newport_init(struct vc_data
*vc
, int init
)
338 vc
->vc_cols
= newport_xsize
/ 8;
339 vc
->vc_rows
= newport_ysize
/ 16;
340 vc
->vc_can_do_color
= 1;
343 static void newport_deinit(struct vc_data
*c
)
345 if (!con_is_bound(&newport_con
) && newport_has_init
) {
347 newport_has_init
= 0;
351 static void newport_clear(struct vc_data
*vc
, int sy
, int sx
, int height
,
354 int xend
= ((sx
+ width
) << 3) - 1;
355 int ystart
= ((sy
<< 4) + topscan
) & 0x3ff;
356 int yend
= (((sy
+ height
) << 4) + topscan
- 1) & 0x3ff;
362 newport_clear_screen(sx
<< 3, ystart
, xend
, yend
,
363 (vc
->vc_color
& 0xf0) >> 4);
365 newport_clear_screen(sx
<< 3, ystart
, xend
, 1023,
366 (vc
->vc_color
& 0xf0) >> 4);
367 newport_clear_screen(sx
<< 3, 0, xend
, yend
,
368 (vc
->vc_color
& 0xf0) >> 4);
372 static void newport_putc(struct vc_data
*vc
, int charattr
, int ypos
,
377 p
= &font_data
[vc
->vc_num
][(charattr
& 0xff) << 4];
378 charattr
= (charattr
>> 8) & 0xff;
382 newport_render_background(xpos
, ypos
, xpos
, ypos
,
383 (charattr
& 0xf0) >> 4);
385 /* Set the color and drawing mode. */
386 newport_wait(npregs
);
387 npregs
->set
.colori
= charattr
& 0xf;
388 npregs
->set
.drawmode0
= (NPORT_DMODE0_DRAW
| NPORT_DMODE0_BLOCK
|
389 NPORT_DMODE0_STOPX
| NPORT_DMODE0_ZPENAB
|
392 /* Set coordinates for bitmap operation. */
393 npregs
->set
.xystarti
= (xpos
<< 16) | ((ypos
+ topscan
) & 0x3ff);
394 npregs
->set
.xyendi
= ((xpos
+ 7) << 16);
395 newport_wait(npregs
);
397 /* Go, baby, go... */
401 static void newport_putcs(struct vc_data
*vc
, const unsigned short *s
,
402 int count
, int ypos
, int xpos
)
408 charattr
= (scr_readw(s
) >> 8) & 0xff;
414 /* Clear the area behing the string */
415 newport_render_background(xpos
, ypos
,
416 xpos
+ ((count
- 1) << 3), ypos
,
417 (charattr
& 0xf0) >> 4);
419 newport_wait(npregs
);
421 /* Set the color and drawing mode. */
422 npregs
->set
.colori
= charattr
& 0xf;
423 npregs
->set
.drawmode0
= (NPORT_DMODE0_DRAW
| NPORT_DMODE0_BLOCK
|
424 NPORT_DMODE0_STOPX
| NPORT_DMODE0_ZPENAB
|
427 for (i
= 0; i
< count
; i
++, xpos
+= 8) {
428 p
= &font_data
[vc
->vc_num
][(scr_readw(s
++) & 0xff) << 4];
430 newport_wait(npregs
);
432 /* Set coordinates for bitmap operation. */
433 npregs
->set
.xystarti
=
434 (xpos
<< 16) | ((ypos
+ topscan
) & 0x3ff);
435 npregs
->set
.xyendi
= ((xpos
+ 7) << 16);
437 /* Go, baby, go... */
442 static void newport_cursor(struct vc_data
*vc
, int mode
)
449 treg
= newport_vc2_get(npregs
, VC2_IREG_CONTROL
);
450 newport_vc2_set(npregs
, VC2_IREG_CONTROL
,
451 (treg
& ~(VC2_CTRL_ECDISP
)));
456 treg
= newport_vc2_get(npregs
, VC2_IREG_CONTROL
);
457 newport_vc2_set(npregs
, VC2_IREG_CONTROL
,
458 (treg
| VC2_CTRL_ECDISP
));
459 xcurs
= (vc
->vc_pos
- vc
->vc_visible_origin
) / 2;
460 ycurs
= ((xcurs
/ vc
->vc_cols
) << 4) + 31;
461 xcurs
= ((xcurs
% vc
->vc_cols
) << 3) + xcurs_correction
;
462 newport_vc2_set(npregs
, VC2_IREG_CURSX
, xcurs
);
463 newport_vc2_set(npregs
, VC2_IREG_CURSY
, ycurs
);
467 static int newport_switch(struct vc_data
*vc
)
469 static int logo_drawn
= 0;
472 npregs
->cset
.topscan
= 0x3ff;
475 if (newport_show_logo()) {
484 static int newport_blank(struct vc_data
*c
, int blank
, int mode_switch
)
489 /* unblank console */
490 treg
= newport_vc2_get(npregs
, VC2_IREG_CONTROL
);
491 newport_vc2_set(npregs
, VC2_IREG_CONTROL
,
492 (treg
| VC2_CTRL_EDISP
));
495 treg
= newport_vc2_get(npregs
, VC2_IREG_CONTROL
);
496 newport_vc2_set(npregs
, VC2_IREG_CONTROL
,
497 (treg
& ~(VC2_CTRL_EDISP
)));
502 static int newport_set_font(int unit
, struct console_font
*op
)
506 int size
= h
* op
->charcount
;
508 unsigned char *new_data
, *data
= op
->data
, *p
;
510 /* ladis: when I grow up, there will be a day... and more sizes will
511 * be supported ;-) */
512 if ((w
!= 8) || (h
!= 16)
513 || (op
->charcount
!= 256 && op
->charcount
!= 512))
516 if (!(new_data
= kmalloc(FONT_EXTRA_WORDS
* sizeof(int) + size
,
517 GFP_USER
))) return -ENOMEM
;
519 new_data
+= FONT_EXTRA_WORDS
* sizeof(int);
520 FNTSIZE(new_data
) = size
;
521 FNTCHARCNT(new_data
) = op
->charcount
;
522 REFCOUNT(new_data
) = 0; /* usage counter */
525 for (i
= 0; i
< op
->charcount
; i
++) {
531 /* check if font is already used by other console */
532 for (i
= 0; i
< MAX_NR_CONSOLES
; i
++) {
533 if (font_data
[i
] != FONT_DATA
534 && FNTSIZE(font_data
[i
]) == size
535 && !memcmp(font_data
[i
], new_data
, size
)) {
536 kfree(new_data
- FONT_EXTRA_WORDS
* sizeof(int));
537 /* current font is the same as the new one */
540 new_data
= font_data
[i
];
544 /* old font is user font */
545 if (font_data
[unit
] != FONT_DATA
) {
546 if (--REFCOUNT(font_data
[unit
]) == 0)
547 kfree(font_data
[unit
] -
548 FONT_EXTRA_WORDS
* sizeof(int));
550 REFCOUNT(new_data
)++;
551 font_data
[unit
] = new_data
;
556 static int newport_set_def_font(int unit
, struct console_font
*op
)
558 if (font_data
[unit
] != FONT_DATA
) {
559 if (--REFCOUNT(font_data
[unit
]) == 0)
560 kfree(font_data
[unit
] -
561 FONT_EXTRA_WORDS
* sizeof(int));
562 font_data
[unit
] = FONT_DATA
;
568 static int newport_font_default(struct vc_data
*vc
, struct console_font
*op
, char *name
)
570 return newport_set_def_font(vc
->vc_num
, op
);
573 static int newport_font_set(struct vc_data
*vc
, struct console_font
*font
, unsigned flags
)
575 return newport_set_font(vc
->vc_num
, font
);
578 static int newport_set_palette(struct vc_data
*vc
, unsigned char *table
)
583 static int newport_scrolldelta(struct vc_data
*vc
, int lines
)
585 /* there is (nearly) no off-screen memory, so we can't scroll back */
589 static int newport_scroll(struct vc_data
*vc
, int t
, int b
, int dir
,
593 unsigned short *s
, *d
;
594 unsigned short chattr
;
596 logo_active
= 0; /* it's time to disable the logo now.. */
598 if (t
== 0 && b
== vc
->vc_rows
) {
600 topscan
= (topscan
+ (lines
<< 4)) & 0x3ff;
601 newport_clear_lines(vc
->vc_rows
- lines
,
603 (vc
->vc_color
& 0xf0) >> 4);
605 topscan
= (topscan
+ (-lines
<< 4)) & 0x3ff;
606 newport_clear_lines(0, lines
- 1,
607 (vc
->vc_color
& 0xf0) >> 4);
609 npregs
->cset
.topscan
= (topscan
- 1) & 0x3ff;
613 count
= (b
- t
- lines
) * vc
->vc_cols
;
617 s
= (unsigned short *) (vc
->vc_origin
+
618 vc
->vc_size_row
* (t
+ lines
));
619 d
= (unsigned short *) (vc
->vc_origin
+
620 vc
->vc_size_row
* t
);
622 chattr
= scr_readw(s
++);
623 if (chattr
!= scr_readw(d
)) {
624 newport_putc(vc
, chattr
, y
, x
);
625 scr_writew(chattr
, d
);
628 if (++x
== vc
->vc_cols
) {
633 d
= (unsigned short *) (vc
->vc_origin
+
634 vc
->vc_size_row
* (b
- lines
));
637 for (count
= 0; count
< (lines
* vc
->vc_cols
); count
++) {
638 if (scr_readw(d
) != vc
->vc_video_erase_char
) {
639 newport_putc(vc
, vc
->vc_video_erase_char
,
641 scr_writew(vc
->vc_video_erase_char
, d
);
644 if (++x
== vc
->vc_cols
) {
652 s
= (unsigned short *) (vc
->vc_origin
+
653 vc
->vc_size_row
* (b
- lines
) - 2);
654 d
= (unsigned short *) (vc
->vc_origin
+
655 vc
->vc_size_row
* b
- 2);
657 chattr
= scr_readw(s
--);
658 if (chattr
!= scr_readw(d
)) {
659 newport_putc(vc
, chattr
, y
, x
);
660 scr_writew(chattr
, d
);
668 d
= (unsigned short *) (vc
->vc_origin
+
669 vc
->vc_size_row
* t
);
672 for (count
= 0; count
< (lines
* vc
->vc_cols
); count
++) {
673 if (scr_readw(d
) != vc
->vc_video_erase_char
) {
674 newport_putc(vc
, vc
->vc_video_erase_char
,
676 scr_writew(vc
->vc_video_erase_char
, d
);
679 if (++x
== vc
->vc_cols
) {
688 static void newport_bmove(struct vc_data
*vc
, int sy
, int sx
, int dy
,
689 int dx
, int h
, int w
)
691 short xs
, ys
, xe
, ye
, xoffs
, yoffs
, tmp
;
694 xe
= ((sx
+ w
) << 3) - 1;
696 * as bmove is only used to move stuff around in the same line
697 * (h == 1), we don't care about wrap arounds caused by topscan != 0
699 ys
= ((sy
<< 4) + topscan
) & 0x3ff;
700 ye
= (((sy
+ h
) << 4) - 1 + topscan
) & 0x3ff;
701 xoffs
= (dx
- sx
) << 3;
702 yoffs
= (dy
- sy
) << 4;
704 /* move to the right, exchange starting points */
709 newport_wait(npregs
);
710 npregs
->set
.drawmode0
= (NPORT_DMODE0_S2S
| NPORT_DMODE0_BLOCK
|
711 NPORT_DMODE0_DOSETUP
| NPORT_DMODE0_STOPX
712 | NPORT_DMODE0_STOPY
);
713 npregs
->set
.xystarti
= (xs
<< 16) | ys
;
714 npregs
->set
.xyendi
= (xe
<< 16) | ye
;
715 npregs
->go
.xymove
= (xoffs
<< 16) | yoffs
;
718 static int newport_dummy(struct vc_data
*c
)
723 #define DUMMY (void *) newport_dummy
725 const struct consw newport_con
= {
726 .owner
= THIS_MODULE
,
727 .con_startup
= newport_startup
,
728 .con_init
= newport_init
,
729 .con_deinit
= newport_deinit
,
730 .con_clear
= newport_clear
,
731 .con_putc
= newport_putc
,
732 .con_putcs
= newport_putcs
,
733 .con_cursor
= newport_cursor
,
734 .con_scroll
= newport_scroll
,
735 .con_bmove
= newport_bmove
,
736 .con_switch
= newport_switch
,
737 .con_blank
= newport_blank
,
738 .con_font_set
= newport_font_set
,
739 .con_font_default
= newport_font_default
,
740 .con_set_palette
= newport_set_palette
,
741 .con_scrolldelta
= newport_scrolldelta
,
742 .con_set_origin
= DUMMY
,
743 .con_save_screen
= DUMMY
747 static int __init
newport_console_init(void)
753 npregs
= (struct newport_regs
*)/* ioremap cannot fail */
754 ioremap(sgi_gfxaddr
, sizeof(struct newport_regs
));
756 return take_over_console(&newport_con
, 0, MAX_NR_CONSOLES
- 1, 1);
758 module_init(newport_console_init
);
760 static void __exit
newport_console_exit(void)
762 give_up_console(&newport_con
);
763 iounmap((void *)npregs
);
765 module_exit(newport_console_exit
);
768 MODULE_LICENSE("GPL");
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