769 lines
20 KiB
C
769 lines
20 KiB
C
/*
|
|
* newport_con.c: Abscon for newport hardware
|
|
*
|
|
* (C) 1998 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
|
|
* (C) 1999 Ulf Carlsson (ulfc@thepuffingruop.com)
|
|
*
|
|
* This driver is based on sgicons.c and cons_newport.
|
|
*
|
|
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
|
|
* Copyright (C) 1997 Miguel de Icaza (miguel@nuclecu.unam.mx)
|
|
*/
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/kd.h>
|
|
#include <linux/selection.h>
|
|
#include <linux/console.h>
|
|
#include <linux/vt_kern.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/module.h>
|
|
#include <linux/slab.h>
|
|
|
|
#include <asm/io.h>
|
|
#include <asm/uaccess.h>
|
|
#include <asm/system.h>
|
|
#include <asm/page.h>
|
|
#include <asm/pgtable.h>
|
|
#include <video/newport.h>
|
|
|
|
#include <linux/linux_logo.h>
|
|
#include <linux/font.h>
|
|
|
|
|
|
extern unsigned long sgi_gfxaddr;
|
|
|
|
#define FONT_DATA ((unsigned char *)font_vga_8x16.data)
|
|
|
|
/* borrowed from fbcon.c */
|
|
#define REFCOUNT(fd) (((int *)(fd))[-1])
|
|
#define FNTSIZE(fd) (((int *)(fd))[-2])
|
|
#define FNTCHARCNT(fd) (((int *)(fd))[-3])
|
|
#define FONT_EXTRA_WORDS 3
|
|
|
|
static unsigned char *font_data[MAX_NR_CONSOLES];
|
|
|
|
static struct newport_regs *npregs;
|
|
|
|
static int logo_active;
|
|
static int topscan;
|
|
static int xcurs_correction = 29;
|
|
static int newport_xsize;
|
|
static int newport_ysize;
|
|
static int newport_has_init;
|
|
|
|
static int newport_set_def_font(int unit, struct console_font *op);
|
|
|
|
#define BMASK(c) (c << 24)
|
|
|
|
#define RENDER(regs, cp) do { \
|
|
(regs)->go.zpattern = BMASK((cp)[0x0]); (regs)->go.zpattern = BMASK((cp)[0x1]); \
|
|
(regs)->go.zpattern = BMASK((cp)[0x2]); (regs)->go.zpattern = BMASK((cp)[0x3]); \
|
|
(regs)->go.zpattern = BMASK((cp)[0x4]); (regs)->go.zpattern = BMASK((cp)[0x5]); \
|
|
(regs)->go.zpattern = BMASK((cp)[0x6]); (regs)->go.zpattern = BMASK((cp)[0x7]); \
|
|
(regs)->go.zpattern = BMASK((cp)[0x8]); (regs)->go.zpattern = BMASK((cp)[0x9]); \
|
|
(regs)->go.zpattern = BMASK((cp)[0xa]); (regs)->go.zpattern = BMASK((cp)[0xb]); \
|
|
(regs)->go.zpattern = BMASK((cp)[0xc]); (regs)->go.zpattern = BMASK((cp)[0xd]); \
|
|
(regs)->go.zpattern = BMASK((cp)[0xe]); (regs)->go.zpattern = BMASK((cp)[0xf]); \
|
|
} while(0)
|
|
|
|
#define TESTVAL 0xdeadbeef
|
|
#define XSTI_TO_FXSTART(val) (((val) & 0xffff) << 11)
|
|
|
|
static inline void newport_render_background(int xstart, int ystart,
|
|
int xend, int yend, int ci)
|
|
{
|
|
newport_wait(npregs);
|
|
npregs->set.wrmask = 0xffffffff;
|
|
npregs->set.drawmode0 = (NPORT_DMODE0_DRAW | NPORT_DMODE0_BLOCK |
|
|
NPORT_DMODE0_DOSETUP | NPORT_DMODE0_STOPX
|
|
| NPORT_DMODE0_STOPY);
|
|
npregs->set.colori = ci;
|
|
npregs->set.xystarti =
|
|
(xstart << 16) | ((ystart + topscan) & 0x3ff);
|
|
npregs->go.xyendi =
|
|
((xend + 7) << 16) | ((yend + topscan + 15) & 0x3ff);
|
|
}
|
|
|
|
static inline void newport_init_cmap(void)
|
|
{
|
|
unsigned short i;
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
newport_bfwait(npregs);
|
|
newport_cmap_setaddr(npregs, color_table[i]);
|
|
newport_cmap_setrgb(npregs,
|
|
default_red[i],
|
|
default_grn[i], default_blu[i]);
|
|
}
|
|
}
|
|
|
|
static const struct linux_logo *newport_show_logo(void)
|
|
{
|
|
#ifdef CONFIG_LOGO_SGI_CLUT224
|
|
const struct linux_logo *logo = fb_find_logo(8);
|
|
const unsigned char *clut;
|
|
const unsigned char *data;
|
|
unsigned long i;
|
|
|
|
if (!logo)
|
|
return NULL;
|
|
clut = logo->clut;
|
|
data = logo->data;
|
|
|
|
for (i = 0; i < logo->clutsize; i++) {
|
|
newport_bfwait(npregs);
|
|
newport_cmap_setaddr(npregs, i + 0x20);
|
|
newport_cmap_setrgb(npregs, clut[0], clut[1], clut[2]);
|
|
clut += 3;
|
|
}
|
|
|
|
newport_wait(npregs);
|
|
npregs->set.drawmode0 = (NPORT_DMODE0_DRAW | NPORT_DMODE0_BLOCK |
|
|
NPORT_DMODE0_CHOST);
|
|
|
|
npregs->set.xystarti = ((newport_xsize - logo->width) << 16) | (0);
|
|
npregs->set.xyendi = ((newport_xsize - 1) << 16);
|
|
newport_wait(npregs);
|
|
|
|
for (i = 0; i < logo->width*logo->height; i++)
|
|
npregs->go.hostrw0 = *data++ << 24;
|
|
|
|
return logo;
|
|
#endif /* CONFIG_LOGO_SGI_CLUT224 */
|
|
}
|
|
|
|
static inline void newport_clear_screen(int xstart, int ystart, int xend,
|
|
int yend, int ci)
|
|
{
|
|
if (logo_active)
|
|
return;
|
|
|
|
newport_wait(npregs);
|
|
npregs->set.wrmask = 0xffffffff;
|
|
npregs->set.drawmode0 = (NPORT_DMODE0_DRAW | NPORT_DMODE0_BLOCK |
|
|
NPORT_DMODE0_DOSETUP | NPORT_DMODE0_STOPX
|
|
| NPORT_DMODE0_STOPY);
|
|
npregs->set.colori = ci;
|
|
npregs->set.xystarti = (xstart << 16) | ystart;
|
|
npregs->go.xyendi = (xend << 16) | yend;
|
|
}
|
|
|
|
static inline void newport_clear_lines(int ystart, int yend, int ci)
|
|
{
|
|
ystart = ((ystart << 4) + topscan) & 0x3ff;
|
|
yend = ((yend << 4) + topscan + 15) & 0x3ff;
|
|
newport_clear_screen(0, ystart, 1280 + 63, yend, ci);
|
|
}
|
|
|
|
static void newport_reset(void)
|
|
{
|
|
unsigned short treg;
|
|
int i;
|
|
|
|
newport_wait(npregs);
|
|
treg = newport_vc2_get(npregs, VC2_IREG_CONTROL);
|
|
newport_vc2_set(npregs, VC2_IREG_CONTROL,
|
|
(treg | VC2_CTRL_EVIDEO));
|
|
|
|
treg = newport_vc2_get(npregs, VC2_IREG_CENTRY);
|
|
newport_vc2_set(npregs, VC2_IREG_RADDR, treg);
|
|
npregs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_RAM |
|
|
NPORT_DMODE_W2 | VC2_PROTOCOL);
|
|
for (i = 0; i < 128; i++) {
|
|
newport_bfwait(npregs);
|
|
if (i == 92 || i == 94)
|
|
npregs->set.dcbdata0.byshort.s1 = 0xff00;
|
|
else
|
|
npregs->set.dcbdata0.byshort.s1 = 0x0000;
|
|
}
|
|
|
|
newport_init_cmap();
|
|
|
|
/* turn off popup plane */
|
|
npregs->set.dcbmode = (DCB_XMAP0 | R_DCB_XMAP9_PROTOCOL |
|
|
XM9_CRS_CONFIG | NPORT_DMODE_W1);
|
|
npregs->set.dcbdata0.bybytes.b3 &= ~XM9_PUPMODE;
|
|
npregs->set.dcbmode = (DCB_XMAP1 | R_DCB_XMAP9_PROTOCOL |
|
|
XM9_CRS_CONFIG | NPORT_DMODE_W1);
|
|
npregs->set.dcbdata0.bybytes.b3 &= ~XM9_PUPMODE;
|
|
|
|
topscan = 0;
|
|
npregs->cset.topscan = 0x3ff;
|
|
npregs->cset.xywin = (4096 << 16) | 4096;
|
|
|
|
/* Clear the screen. */
|
|
newport_clear_screen(0, 0, 1280 + 63, 1024, 0);
|
|
}
|
|
|
|
/*
|
|
* calculate the actual screen size by reading
|
|
* the video timing out of the VC2
|
|
*/
|
|
static void newport_get_screensize(void)
|
|
{
|
|
int i, cols;
|
|
unsigned short ventry, treg;
|
|
unsigned short linetable[128]; /* should be enough */
|
|
|
|
ventry = newport_vc2_get(npregs, VC2_IREG_VENTRY);
|
|
newport_vc2_set(npregs, VC2_IREG_RADDR, ventry);
|
|
npregs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_RAM |
|
|
NPORT_DMODE_W2 | VC2_PROTOCOL);
|
|
for (i = 0; i < 128; i++) {
|
|
newport_bfwait(npregs);
|
|
linetable[i] = npregs->set.dcbdata0.byshort.s1;
|
|
}
|
|
|
|
newport_xsize = newport_ysize = 0;
|
|
for (i = 0; i < ARRAY_SIZE(linetable) - 1 && linetable[i + 1]; i += 2) {
|
|
cols = 0;
|
|
newport_vc2_set(npregs, VC2_IREG_RADDR, linetable[i]);
|
|
npregs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_RAM |
|
|
NPORT_DMODE_W2 | VC2_PROTOCOL);
|
|
do {
|
|
newport_bfwait(npregs);
|
|
treg = npregs->set.dcbdata0.byshort.s1;
|
|
if ((treg & 1) == 0)
|
|
cols += (treg >> 7) & 0xfe;
|
|
if ((treg & 0x80) == 0) {
|
|
newport_bfwait(npregs);
|
|
treg = npregs->set.dcbdata0.byshort.s1;
|
|
}
|
|
} while ((treg & 0x8000) == 0);
|
|
if (cols) {
|
|
if (cols > newport_xsize)
|
|
newport_xsize = cols;
|
|
newport_ysize += linetable[i + 1];
|
|
}
|
|
}
|
|
printk("NG1: Screensize %dx%d\n", newport_xsize, newport_ysize);
|
|
}
|
|
|
|
static void newport_get_revisions(void)
|
|
{
|
|
unsigned int tmp;
|
|
unsigned int board_rev;
|
|
unsigned int rex3_rev;
|
|
unsigned int vc2_rev;
|
|
unsigned int cmap_rev;
|
|
unsigned int xmap9_rev;
|
|
unsigned int bt445_rev;
|
|
unsigned int bitplanes;
|
|
|
|
rex3_rev = npregs->cset.status & NPORT_STAT_VERS;
|
|
|
|
npregs->set.dcbmode = (DCB_CMAP0 | NCMAP_PROTOCOL |
|
|
NCMAP_REGADDR_RREG | NPORT_DMODE_W1);
|
|
tmp = npregs->set.dcbdata0.bybytes.b3;
|
|
cmap_rev = tmp & 7;
|
|
board_rev = (tmp >> 4) & 7;
|
|
bitplanes = ((board_rev > 1) && (tmp & 0x80)) ? 8 : 24;
|
|
|
|
npregs->set.dcbmode = (DCB_CMAP1 | NCMAP_PROTOCOL |
|
|
NCMAP_REGADDR_RREG | NPORT_DMODE_W1);
|
|
tmp = npregs->set.dcbdata0.bybytes.b3;
|
|
if ((tmp & 7) < cmap_rev)
|
|
cmap_rev = (tmp & 7);
|
|
|
|
vc2_rev = (newport_vc2_get(npregs, VC2_IREG_CONFIG) >> 5) & 7;
|
|
|
|
npregs->set.dcbmode = (DCB_XMAP0 | R_DCB_XMAP9_PROTOCOL |
|
|
XM9_CRS_REVISION | NPORT_DMODE_W1);
|
|
xmap9_rev = npregs->set.dcbdata0.bybytes.b3 & 7;
|
|
|
|
npregs->set.dcbmode = (DCB_BT445 | BT445_PROTOCOL |
|
|
BT445_CSR_ADDR_REG | NPORT_DMODE_W1);
|
|
npregs->set.dcbdata0.bybytes.b3 = BT445_REVISION_REG;
|
|
npregs->set.dcbmode = (DCB_BT445 | BT445_PROTOCOL |
|
|
BT445_CSR_REVISION | NPORT_DMODE_W1);
|
|
bt445_rev = (npregs->set.dcbdata0.bybytes.b3 >> 4) - 0x0a;
|
|
|
|
#define L(a) (char)('A'+(a))
|
|
printk
|
|
("NG1: Revision %d, %d bitplanes, REX3 revision %c, VC2 revision %c, xmap9 revision %c, cmap revision %c, bt445 revision %c\n",
|
|
board_rev, bitplanes, L(rex3_rev), L(vc2_rev), L(xmap9_rev),
|
|
L(cmap_rev ? (cmap_rev + 1) : 0), L(bt445_rev));
|
|
#undef L
|
|
|
|
if (board_rev == 3) /* I don't know all affected revisions */
|
|
xcurs_correction = 21;
|
|
}
|
|
|
|
static void newport_exit(void)
|
|
{
|
|
int i;
|
|
|
|
/* free memory used by user font */
|
|
for (i = 0; i < MAX_NR_CONSOLES; i++)
|
|
newport_set_def_font(i, NULL);
|
|
}
|
|
|
|
/* Can't be __init, take_over_console may call it later */
|
|
static const char *newport_startup(void)
|
|
{
|
|
int i;
|
|
|
|
if (!sgi_gfxaddr)
|
|
return NULL;
|
|
|
|
if (!npregs)
|
|
npregs = (struct newport_regs *)/* ioremap cannot fail */
|
|
ioremap(sgi_gfxaddr, sizeof(struct newport_regs));
|
|
npregs->cset.config = NPORT_CFG_GD0;
|
|
|
|
if (newport_wait(npregs))
|
|
goto out_unmap;
|
|
|
|
npregs->set.xstarti = TESTVAL;
|
|
if (npregs->set._xstart.word != XSTI_TO_FXSTART(TESTVAL))
|
|
goto out_unmap;
|
|
|
|
for (i = 0; i < MAX_NR_CONSOLES; i++)
|
|
font_data[i] = FONT_DATA;
|
|
|
|
newport_reset();
|
|
newport_get_revisions();
|
|
newport_get_screensize();
|
|
newport_has_init = 1;
|
|
|
|
return "SGI Newport";
|
|
|
|
out_unmap:
|
|
return NULL;
|
|
}
|
|
|
|
static void newport_init(struct vc_data *vc, int init)
|
|
{
|
|
vc->vc_cols = newport_xsize / 8;
|
|
vc->vc_rows = newport_ysize / 16;
|
|
vc->vc_can_do_color = 1;
|
|
}
|
|
|
|
static void newport_deinit(struct vc_data *c)
|
|
{
|
|
if (!con_is_bound(&newport_con) && newport_has_init) {
|
|
newport_exit();
|
|
newport_has_init = 0;
|
|
}
|
|
}
|
|
|
|
static void newport_clear(struct vc_data *vc, int sy, int sx, int height,
|
|
int width)
|
|
{
|
|
int xend = ((sx + width) << 3) - 1;
|
|
int ystart = ((sy << 4) + topscan) & 0x3ff;
|
|
int yend = (((sy + height) << 4) + topscan - 1) & 0x3ff;
|
|
|
|
if (logo_active)
|
|
return;
|
|
|
|
if (ystart < yend) {
|
|
newport_clear_screen(sx << 3, ystart, xend, yend,
|
|
(vc->vc_color & 0xf0) >> 4);
|
|
} else {
|
|
newport_clear_screen(sx << 3, ystart, xend, 1023,
|
|
(vc->vc_color & 0xf0) >> 4);
|
|
newport_clear_screen(sx << 3, 0, xend, yend,
|
|
(vc->vc_color & 0xf0) >> 4);
|
|
}
|
|
}
|
|
|
|
static void newport_putc(struct vc_data *vc, int charattr, int ypos,
|
|
int xpos)
|
|
{
|
|
unsigned char *p;
|
|
|
|
p = &font_data[vc->vc_num][(charattr & 0xff) << 4];
|
|
charattr = (charattr >> 8) & 0xff;
|
|
xpos <<= 3;
|
|
ypos <<= 4;
|
|
|
|
newport_render_background(xpos, ypos, xpos, ypos,
|
|
(charattr & 0xf0) >> 4);
|
|
|
|
/* Set the color and drawing mode. */
|
|
newport_wait(npregs);
|
|
npregs->set.colori = charattr & 0xf;
|
|
npregs->set.drawmode0 = (NPORT_DMODE0_DRAW | NPORT_DMODE0_BLOCK |
|
|
NPORT_DMODE0_STOPX | NPORT_DMODE0_ZPENAB |
|
|
NPORT_DMODE0_L32);
|
|
|
|
/* Set coordinates for bitmap operation. */
|
|
npregs->set.xystarti = (xpos << 16) | ((ypos + topscan) & 0x3ff);
|
|
npregs->set.xyendi = ((xpos + 7) << 16);
|
|
newport_wait(npregs);
|
|
|
|
/* Go, baby, go... */
|
|
RENDER(npregs, p);
|
|
}
|
|
|
|
static void newport_putcs(struct vc_data *vc, const unsigned short *s,
|
|
int count, int ypos, int xpos)
|
|
{
|
|
int i;
|
|
int charattr;
|
|
unsigned char *p;
|
|
|
|
charattr = (scr_readw(s) >> 8) & 0xff;
|
|
|
|
xpos <<= 3;
|
|
ypos <<= 4;
|
|
|
|
if (!logo_active)
|
|
/* Clear the area behing the string */
|
|
newport_render_background(xpos, ypos,
|
|
xpos + ((count - 1) << 3), ypos,
|
|
(charattr & 0xf0) >> 4);
|
|
|
|
newport_wait(npregs);
|
|
|
|
/* Set the color and drawing mode. */
|
|
npregs->set.colori = charattr & 0xf;
|
|
npregs->set.drawmode0 = (NPORT_DMODE0_DRAW | NPORT_DMODE0_BLOCK |
|
|
NPORT_DMODE0_STOPX | NPORT_DMODE0_ZPENAB |
|
|
NPORT_DMODE0_L32);
|
|
|
|
for (i = 0; i < count; i++, xpos += 8) {
|
|
p = &font_data[vc->vc_num][(scr_readw(s++) & 0xff) << 4];
|
|
|
|
newport_wait(npregs);
|
|
|
|
/* Set coordinates for bitmap operation. */
|
|
npregs->set.xystarti =
|
|
(xpos << 16) | ((ypos + topscan) & 0x3ff);
|
|
npregs->set.xyendi = ((xpos + 7) << 16);
|
|
|
|
/* Go, baby, go... */
|
|
RENDER(npregs, p);
|
|
}
|
|
}
|
|
|
|
static void newport_cursor(struct vc_data *vc, int mode)
|
|
{
|
|
unsigned short treg;
|
|
int xcurs, ycurs;
|
|
|
|
switch (mode) {
|
|
case CM_ERASE:
|
|
treg = newport_vc2_get(npregs, VC2_IREG_CONTROL);
|
|
newport_vc2_set(npregs, VC2_IREG_CONTROL,
|
|
(treg & ~(VC2_CTRL_ECDISP)));
|
|
break;
|
|
|
|
case CM_MOVE:
|
|
case CM_DRAW:
|
|
treg = newport_vc2_get(npregs, VC2_IREG_CONTROL);
|
|
newport_vc2_set(npregs, VC2_IREG_CONTROL,
|
|
(treg | VC2_CTRL_ECDISP));
|
|
xcurs = (vc->vc_pos - vc->vc_visible_origin) / 2;
|
|
ycurs = ((xcurs / vc->vc_cols) << 4) + 31;
|
|
xcurs = ((xcurs % vc->vc_cols) << 3) + xcurs_correction;
|
|
newport_vc2_set(npregs, VC2_IREG_CURSX, xcurs);
|
|
newport_vc2_set(npregs, VC2_IREG_CURSY, ycurs);
|
|
}
|
|
}
|
|
|
|
static int newport_switch(struct vc_data *vc)
|
|
{
|
|
static int logo_drawn = 0;
|
|
|
|
topscan = 0;
|
|
npregs->cset.topscan = 0x3ff;
|
|
|
|
if (!logo_drawn) {
|
|
if (newport_show_logo()) {
|
|
logo_drawn = 1;
|
|
logo_active = 1;
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int newport_blank(struct vc_data *c, int blank, int mode_switch)
|
|
{
|
|
unsigned short treg;
|
|
|
|
if (blank == 0) {
|
|
/* unblank console */
|
|
treg = newport_vc2_get(npregs, VC2_IREG_CONTROL);
|
|
newport_vc2_set(npregs, VC2_IREG_CONTROL,
|
|
(treg | VC2_CTRL_EDISP));
|
|
} else {
|
|
/* blank console */
|
|
treg = newport_vc2_get(npregs, VC2_IREG_CONTROL);
|
|
newport_vc2_set(npregs, VC2_IREG_CONTROL,
|
|
(treg & ~(VC2_CTRL_EDISP)));
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int newport_set_font(int unit, struct console_font *op)
|
|
{
|
|
int w = op->width;
|
|
int h = op->height;
|
|
int size = h * op->charcount;
|
|
int i;
|
|
unsigned char *new_data, *data = op->data, *p;
|
|
|
|
/* ladis: when I grow up, there will be a day... and more sizes will
|
|
* be supported ;-) */
|
|
if ((w != 8) || (h != 16)
|
|
|| (op->charcount != 256 && op->charcount != 512))
|
|
return -EINVAL;
|
|
|
|
if (!(new_data = kmalloc(FONT_EXTRA_WORDS * sizeof(int) + size,
|
|
GFP_USER))) return -ENOMEM;
|
|
|
|
new_data += FONT_EXTRA_WORDS * sizeof(int);
|
|
FNTSIZE(new_data) = size;
|
|
FNTCHARCNT(new_data) = op->charcount;
|
|
REFCOUNT(new_data) = 0; /* usage counter */
|
|
|
|
p = new_data;
|
|
for (i = 0; i < op->charcount; i++) {
|
|
memcpy(p, data, h);
|
|
data += 32;
|
|
p += h;
|
|
}
|
|
|
|
/* check if font is already used by other console */
|
|
for (i = 0; i < MAX_NR_CONSOLES; i++) {
|
|
if (font_data[i] != FONT_DATA
|
|
&& FNTSIZE(font_data[i]) == size
|
|
&& !memcmp(font_data[i], new_data, size)) {
|
|
kfree(new_data - FONT_EXTRA_WORDS * sizeof(int));
|
|
/* current font is the same as the new one */
|
|
if (i == unit)
|
|
return 0;
|
|
new_data = font_data[i];
|
|
break;
|
|
}
|
|
}
|
|
/* old font is user font */
|
|
if (font_data[unit] != FONT_DATA) {
|
|
if (--REFCOUNT(font_data[unit]) == 0)
|
|
kfree(font_data[unit] -
|
|
FONT_EXTRA_WORDS * sizeof(int));
|
|
}
|
|
REFCOUNT(new_data)++;
|
|
font_data[unit] = new_data;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int newport_set_def_font(int unit, struct console_font *op)
|
|
{
|
|
if (font_data[unit] != FONT_DATA) {
|
|
if (--REFCOUNT(font_data[unit]) == 0)
|
|
kfree(font_data[unit] -
|
|
FONT_EXTRA_WORDS * sizeof(int));
|
|
font_data[unit] = FONT_DATA;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int newport_font_default(struct vc_data *vc, struct console_font *op, char *name)
|
|
{
|
|
return newport_set_def_font(vc->vc_num, op);
|
|
}
|
|
|
|
static int newport_font_set(struct vc_data *vc, struct console_font *font, unsigned flags)
|
|
{
|
|
return newport_set_font(vc->vc_num, font);
|
|
}
|
|
|
|
static int newport_set_palette(struct vc_data *vc, unsigned char *table)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int newport_scrolldelta(struct vc_data *vc, int lines)
|
|
{
|
|
/* there is (nearly) no off-screen memory, so we can't scroll back */
|
|
return 0;
|
|
}
|
|
|
|
static int newport_scroll(struct vc_data *vc, int t, int b, int dir,
|
|
int lines)
|
|
{
|
|
int count, x, y;
|
|
unsigned short *s, *d;
|
|
unsigned short chattr;
|
|
|
|
logo_active = 0; /* it's time to disable the logo now.. */
|
|
|
|
if (t == 0 && b == vc->vc_rows) {
|
|
if (dir == SM_UP) {
|
|
topscan = (topscan + (lines << 4)) & 0x3ff;
|
|
newport_clear_lines(vc->vc_rows - lines,
|
|
vc->vc_rows - 1,
|
|
(vc->vc_color & 0xf0) >> 4);
|
|
} else {
|
|
topscan = (topscan + (-lines << 4)) & 0x3ff;
|
|
newport_clear_lines(0, lines - 1,
|
|
(vc->vc_color & 0xf0) >> 4);
|
|
}
|
|
npregs->cset.topscan = (topscan - 1) & 0x3ff;
|
|
return 0;
|
|
}
|
|
|
|
count = (b - t - lines) * vc->vc_cols;
|
|
if (dir == SM_UP) {
|
|
x = 0;
|
|
y = t;
|
|
s = (unsigned short *) (vc->vc_origin +
|
|
vc->vc_size_row * (t + lines));
|
|
d = (unsigned short *) (vc->vc_origin +
|
|
vc->vc_size_row * t);
|
|
while (count--) {
|
|
chattr = scr_readw(s++);
|
|
if (chattr != scr_readw(d)) {
|
|
newport_putc(vc, chattr, y, x);
|
|
scr_writew(chattr, d);
|
|
}
|
|
d++;
|
|
if (++x == vc->vc_cols) {
|
|
x = 0;
|
|
y++;
|
|
}
|
|
}
|
|
d = (unsigned short *) (vc->vc_origin +
|
|
vc->vc_size_row * (b - lines));
|
|
x = 0;
|
|
y = b - lines;
|
|
for (count = 0; count < (lines * vc->vc_cols); count++) {
|
|
if (scr_readw(d) != vc->vc_video_erase_char) {
|
|
newport_putc(vc, vc->vc_video_erase_char,
|
|
y, x);
|
|
scr_writew(vc->vc_video_erase_char, d);
|
|
}
|
|
d++;
|
|
if (++x == vc->vc_cols) {
|
|
x = 0;
|
|
y++;
|
|
}
|
|
}
|
|
} else {
|
|
x = vc->vc_cols - 1;
|
|
y = b - 1;
|
|
s = (unsigned short *) (vc->vc_origin +
|
|
vc->vc_size_row * (b - lines) - 2);
|
|
d = (unsigned short *) (vc->vc_origin +
|
|
vc->vc_size_row * b - 2);
|
|
while (count--) {
|
|
chattr = scr_readw(s--);
|
|
if (chattr != scr_readw(d)) {
|
|
newport_putc(vc, chattr, y, x);
|
|
scr_writew(chattr, d);
|
|
}
|
|
d--;
|
|
if (x-- == 0) {
|
|
x = vc->vc_cols - 1;
|
|
y--;
|
|
}
|
|
}
|
|
d = (unsigned short *) (vc->vc_origin +
|
|
vc->vc_size_row * t);
|
|
x = 0;
|
|
y = t;
|
|
for (count = 0; count < (lines * vc->vc_cols); count++) {
|
|
if (scr_readw(d) != vc->vc_video_erase_char) {
|
|
newport_putc(vc, vc->vc_video_erase_char,
|
|
y, x);
|
|
scr_writew(vc->vc_video_erase_char, d);
|
|
}
|
|
d++;
|
|
if (++x == vc->vc_cols) {
|
|
x = 0;
|
|
y++;
|
|
}
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static void newport_bmove(struct vc_data *vc, int sy, int sx, int dy,
|
|
int dx, int h, int w)
|
|
{
|
|
short xs, ys, xe, ye, xoffs, yoffs, tmp;
|
|
|
|
xs = sx << 3;
|
|
xe = ((sx + w) << 3) - 1;
|
|
/*
|
|
* as bmove is only used to move stuff around in the same line
|
|
* (h == 1), we don't care about wrap arounds caused by topscan != 0
|
|
*/
|
|
ys = ((sy << 4) + topscan) & 0x3ff;
|
|
ye = (((sy + h) << 4) - 1 + topscan) & 0x3ff;
|
|
xoffs = (dx - sx) << 3;
|
|
yoffs = (dy - sy) << 4;
|
|
if (xoffs > 0) {
|
|
/* move to the right, exchange starting points */
|
|
tmp = xe;
|
|
xe = xs;
|
|
xs = tmp;
|
|
}
|
|
newport_wait(npregs);
|
|
npregs->set.drawmode0 = (NPORT_DMODE0_S2S | NPORT_DMODE0_BLOCK |
|
|
NPORT_DMODE0_DOSETUP | NPORT_DMODE0_STOPX
|
|
| NPORT_DMODE0_STOPY);
|
|
npregs->set.xystarti = (xs << 16) | ys;
|
|
npregs->set.xyendi = (xe << 16) | ye;
|
|
npregs->go.xymove = (xoffs << 16) | yoffs;
|
|
}
|
|
|
|
static int newport_dummy(struct vc_data *c)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#define DUMMY (void *) newport_dummy
|
|
|
|
const struct consw newport_con = {
|
|
.owner = THIS_MODULE,
|
|
.con_startup = newport_startup,
|
|
.con_init = newport_init,
|
|
.con_deinit = newport_deinit,
|
|
.con_clear = newport_clear,
|
|
.con_putc = newport_putc,
|
|
.con_putcs = newport_putcs,
|
|
.con_cursor = newport_cursor,
|
|
.con_scroll = newport_scroll,
|
|
.con_bmove = newport_bmove,
|
|
.con_switch = newport_switch,
|
|
.con_blank = newport_blank,
|
|
.con_font_set = newport_font_set,
|
|
.con_font_default = newport_font_default,
|
|
.con_set_palette = newport_set_palette,
|
|
.con_scrolldelta = newport_scrolldelta,
|
|
.con_set_origin = DUMMY,
|
|
.con_save_screen = DUMMY
|
|
};
|
|
|
|
#ifdef MODULE
|
|
static int __init newport_console_init(void)
|
|
{
|
|
if (!sgi_gfxaddr)
|
|
return 0;
|
|
|
|
if (!npregs)
|
|
npregs = (struct newport_regs *)/* ioremap cannot fail */
|
|
ioremap(sgi_gfxaddr, sizeof(struct newport_regs));
|
|
|
|
return take_over_console(&newport_con, 0, MAX_NR_CONSOLES - 1, 1);
|
|
}
|
|
module_init(newport_console_init);
|
|
|
|
static void __exit newport_console_exit(void)
|
|
{
|
|
give_up_console(&newport_con);
|
|
iounmap((void *)npregs);
|
|
}
|
|
module_exit(newport_console_exit);
|
|
#endif
|
|
|
|
MODULE_LICENSE("GPL");
|