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/* $Id: leofb.c,v 1.14 2001/10/16 05:44:44 davem Exp $
* leofb.c: Leo (ZX) 24/8bit frame buffer driver
*
* Copyright (C) 1996-1999 Jakub Jelinek (jj@ultra.linux.cz)
* Copyright (C) 1997 Michal Rehacek (Michal.Rehacek@st.mff.cuni.cz)
*/
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/tty.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/selection.h>
#include <video/sbusfb.h>
#include <asm/io.h>
#define LEO_OFF_LC_SS0_KRN 0x00200000UL
#define LEO_OFF_LC_SS0_USR 0x00201000UL
#define LEO_OFF_LC_SS1_KRN 0x01200000UL
#define LEO_OFF_LC_SS1_USR 0x01201000UL
#define LEO_OFF_LD_SS0 0x00400000UL
#define LEO_OFF_LD_SS1 0x01400000UL
#define LEO_OFF_LD_GBL 0x00401000UL
#define LEO_OFF_LX_KRN 0x00600000UL
#define LEO_OFF_LX_CURSOR 0x00601000UL
#define LEO_OFF_SS0 0x00800000UL
#define LEO_OFF_SS1 0x01800000UL
#define LEO_OFF_UNK 0x00602000UL
#define LEO_OFF_UNK2 0x00000000UL
#define LEO_CUR_ENABLE 0x00000080
#define LEO_CUR_UPDATE 0x00000030
#define LEO_CUR_PROGRESS 0x00000006
#define LEO_CUR_UPDATECMAP 0x00000003
#define LEO_CUR_TYPE_MASK 0x00000000
#define LEO_CUR_TYPE_IMAGE 0x00000020
#define LEO_CUR_TYPE_CMAP 0x00000050
struct leo_cursor {
u8 xxx0[16];
volatile u32 cur_type;
volatile u32 cur_misc;
volatile u32 cur_cursxy;
volatile u32 cur_data;
};
#define LEO_KRN_TYPE_CLUT0 0x00001000
#define LEO_KRN_TYPE_CLUT1 0x00001001
#define LEO_KRN_TYPE_CLUT2 0x00001002
#define LEO_KRN_TYPE_WID 0x00001003
#define LEO_KRN_TYPE_UNK 0x00001006
#define LEO_KRN_TYPE_VIDEO 0x00002003
#define LEO_KRN_TYPE_CLUTDATA 0x00004000
#define LEO_KRN_CSR_ENABLE 0x00000008
#define LEO_KRN_CSR_PROGRESS 0x00000004
#define LEO_KRN_CSR_UNK 0x00000002
#define LEO_KRN_CSR_UNK2 0x00000001
struct leo_lx_krn {
volatile u32 krn_type;
volatile u32 krn_csr;
volatile u32 krn_value;
};
struct leo_lc_ss0_krn {
volatile u32 misc;
u8 xxx0[0x800-4];
volatile u32 rev;
};
struct leo_lc_ss0_usr {
volatile u32 csr;
volatile u32 addrspace;
volatile u32 fontmsk;
volatile u32 fontt;
volatile u32 extent;
volatile u32 src;
u32 dst;
volatile u32 copy;
volatile u32 fill;
};
struct leo_lc_ss1_krn {
u8 unknown;
};
struct leo_lc_ss1_usr {
u8 unknown;
};
struct leo_ld {
u8 xxx0[0xe00];
volatile u32 csr;
volatile u32 wid;
volatile u32 wmask;
volatile u32 widclip;
volatile u32 vclipmin;
volatile u32 vclipmax;
volatile u32 pickmin; /* SS1 only */
volatile u32 pickmax; /* SS1 only */
volatile u32 fg;
volatile u32 bg;
volatile u32 src; /* Copy/Scroll (SS0 only) */
volatile u32 dst; /* Copy/Scroll/Fill (SS0 only) */
volatile u32 extent; /* Copy/Scroll/Fill size (SS0 only) */
u32 xxx1[3];
volatile u32 setsem; /* SS1 only */
volatile u32 clrsem; /* SS1 only */
volatile u32 clrpick; /* SS1 only */
volatile u32 clrdat; /* SS1 only */
volatile u32 alpha; /* SS1 only */
u8 xxx2[0x2c];
volatile u32 winbg;
volatile u32 planemask;
volatile u32 rop;
volatile u32 z;
volatile u32 dczf; /* SS1 only */
volatile u32 dczb; /* SS1 only */
volatile u32 dcs; /* SS1 only */
volatile u32 dczs; /* SS1 only */
volatile u32 pickfb; /* SS1 only */
volatile u32 pickbb; /* SS1 only */
volatile u32 dcfc; /* SS1 only */
volatile u32 forcecol; /* SS1 only */
volatile u32 door[8]; /* SS1 only */
volatile u32 pick[5]; /* SS1 only */
};
#define LEO_SS1_MISC_ENABLE 0x00000001
#define LEO_SS1_MISC_STEREO 0x00000002
struct leo_ld_ss1 {
u8 xxx0[0xef4];
volatile u32 ss1_misc;
};
struct leo_ld_gbl {
u8 unknown;
};
static struct sbus_mmap_map leo_mmap_map[] = {
{ LEO_SS0_MAP, LEO_OFF_SS0, 0x800000 },
{ LEO_LC_SS0_USR_MAP, LEO_OFF_LC_SS0_USR, 0x1000 },
{ LEO_LD_SS0_MAP, LEO_OFF_LD_SS0, 0x1000 },
{ LEO_LX_CURSOR_MAP, LEO_OFF_LX_CURSOR, 0x1000 },
{ LEO_SS1_MAP, LEO_OFF_SS1, 0x800000 },
{ LEO_LC_SS1_USR_MAP, LEO_OFF_LC_SS1_USR, 0x1000 },
{ LEO_LD_SS1_MAP, LEO_OFF_LD_SS1, 0x1000 },
{ LEO_UNK_MAP, LEO_OFF_UNK, 0x1000 },
{ LEO_LX_KRN_MAP, LEO_OFF_LX_KRN, 0x1000 },
{ LEO_LC_SS0_KRN_MAP, LEO_OFF_LC_SS0_KRN, 0x1000 },
{ LEO_LC_SS1_KRN_MAP, LEO_OFF_LC_SS1_KRN, 0x1000 },
{ LEO_LD_GBL_MAP, LEO_OFF_LD_GBL, 0x1000 },
{ LEO_UNK2_MAP, LEO_OFF_UNK2, 0x100000 },
{ 0, 0, 0 }
};
static void leo_setup(struct display *p)
{
p->next_line = 8192;
p->next_plane = 0;
}
static void leo_clear(struct vc_data *conp, struct display *p, int sy, int sx,
int height, int width)
{
struct fb_info_sbusfb *fb = (struct fb_info_sbusfb *)p->fb_info;
register struct leo_lc_ss0_usr *us = fb->s.leo.lc_ss0_usr;
register struct leo_ld *ss = (struct leo_ld *) fb->s.leo.ld_ss0;
unsigned long flags;
int x, y, w, h;
int i;
spin_lock_irqsave(&fb->lock, flags);
do {
i = sbus_readl(&us->csr);
} while (i & 0x20000000);
sbus_writel((attr_bgcol_ec(p,conp)<<24), &ss->fg);
if (fontheightlog(p)) {
y = sy << fontheightlog(p); h = height << fontheightlog(p);
} else {
y = sy * fontheight(p); h = height * fontheight(p);
}
if (fontwidthlog(p)) {
x = sx << fontwidthlog(p); w = width << fontwidthlog(p);
} else {
x = sx * fontwidth(p); w = width * fontwidth(p);
}
sbus_writel((w - 1) | ((h - 1) << 11), &us->extent);
sbus_writel((x + fb->x_margin) | ((y + fb->y_margin) << 11) | 0x80000000,
&us->fill);
spin_unlock_irqrestore(&fb->lock, flags);
}
static void leo_fill(struct fb_info_sbusfb *fb, struct display *p, int s,
int count, unsigned short *boxes)
{
int i;
register struct leo_lc_ss0_usr *us = fb->s.leo.lc_ss0_usr;
register struct leo_ld *ss = (struct leo_ld *) fb->s.leo.ld_ss0;
unsigned long flags;
spin_lock_irqsave(&fb->lock, flags);
sbus_writel((attr_bgcol(p,s)<<24), &ss->fg);
while (count-- > 0) {
do {
i = sbus_readl(&us->csr);
} while (i & 0x20000000);
sbus_writel((boxes[2] - boxes[0] - 1) |
((boxes[3] - boxes[1] - 1) << 11),
&us->extent);
sbus_writel(boxes[0] | (boxes[1] << 11) | 0x80000000,
&us->fill);
boxes += 4;
}
spin_unlock_irqrestore(&fb->lock, flags);
}
static void leo_putc(struct vc_data *conp, struct display *p, int c, int yy, int xx)
{
struct fb_info_sbusfb *fb = (struct fb_info_sbusfb *)p->fb_info;
register struct leo_lc_ss0_usr *us = fb->s.leo.lc_ss0_usr;
register struct leo_ld *ss = (struct leo_ld *) fb->s.leo.ld_ss0;
unsigned long flags;
int i, x, y;
u8 *fd;
u32 *u;
spin_lock_irqsave(&fb->lock, flags);
if (fontheightlog(p)) {
y = yy << (fontheightlog(p) + 11);
i = (c & p->charmask) << fontheightlog(p);
} else {
y = (yy * fontheight(p)) << 11;
i = (c & p->charmask) * fontheight(p);
}
if (fontwidth(p) <= 8)
fd = p->fontdata + i;
else
fd = p->fontdata + (i << 1);
if (fontwidthlog(p))
x = xx << fontwidthlog(p);
else
x = xx * fontwidth(p);
do {
i = sbus_readl(&us->csr);
} while (i & 0x20000000);
sbus_writel(attr_fgcol(p,c) << 24, &ss->fg);
sbus_writel(attr_bgcol(p,c) << 24, &ss->bg);
sbus_writel(0xFFFFFFFF<<(32-fontwidth(p)),
&us->fontmsk);
u = ((u32 *)p->screen_base) + y + x;
if (fontwidth(p) <= 8) {
for (i = 0; i < fontheight(p); i++, u += 2048) {
u32 val = *fd++ << 24;
sbus_writel(val, u);
}
} else {
for (i = 0; i < fontheight(p); i++, u += 2048) {
u32 val = *(u16 *)fd << 16;
sbus_writel(val, u);
fd += 2;
}
}
spin_unlock_irqrestore(&fb->lock, flags);
}
static void leo_putcs(struct vc_data *conp, struct display *p, const unsigned short *s,
int count, int yy, int xx)
{
struct fb_info_sbusfb *fb = (struct fb_info_sbusfb *)p->fb_info;
register struct leo_lc_ss0_usr *us = fb->s.leo.lc_ss0_usr;
register struct leo_ld *ss = (struct leo_ld *) fb->s.leo.ld_ss0;
unsigned long flags;
int i, x, y;
u8 *fd1, *fd2, *fd3, *fd4;
u16 c;
u32 *u;
spin_lock_irqsave(&fb->lock, flags);
do {
i = sbus_readl(&us->csr);
} while (i & 0x20000000);
c = scr_readw(s);
sbus_writel(attr_fgcol(p, c) << 24, &ss->fg);
sbus_writel(attr_bgcol(p, c) << 24, &ss->bg);
sbus_writel(0xFFFFFFFF<<(32-fontwidth(p)), &us->fontmsk);
if (fontwidthlog(p))
x = (xx << fontwidthlog(p));
else
x = xx * fontwidth(p);
if (fontheightlog(p))
y = yy << (fontheightlog(p) + 11);
else
y = (yy * fontheight(p)) << 11;
u = ((u32 *)p->screen_base) + y + x;
if (fontwidth(p) <= 8) {
sbus_writel(0xFFFFFFFF<<(32-4*fontwidth(p)), &us->fontmsk);
x = 4*fontwidth(p) - fontheight(p)*2048;
while (count >= 4) {
count -= 4;
if (fontheightlog(p)) {
fd1 = p->fontdata + ((scr_readw(s++) & p->charmask) << fontheightlog(p));
fd2 = p->fontdata + ((scr_readw(s++) & p->charmask) << fontheightlog(p));
fd3 = p->fontdata + ((scr_readw(s++) & p->charmask) << fontheightlog(p));
fd4 = p->fontdata + ((scr_readw(s++) & p->charmask) << fontheightlog(p));
} else {
fd1 = p->fontdata + ((scr_readw(s++) & p->charmask) * fontheight(p));
fd2 = p->fontdata + ((scr_readw(s++) & p->charmask) * fontheight(p));
fd3 = p->fontdata + ((scr_readw(s++) & p->charmask) * fontheight(p));
fd4 = p->fontdata + ((scr_readw(s++) & p->charmask) * fontheight(p));
}
if (fontwidth(p) == 8) {
for (i = 0; i < fontheight(p); i++, u += 2048) {
u32 val;
val = ((u32)*fd4++) | ((((u32)*fd3++) | ((((u32)*fd2++) | (((u32)*fd1++)
<< 8)) << 8)) << 8);
sbus_writel(val, u);
}
u += x;
} else {
for (i = 0; i < fontheight(p); i++, u += 2048) {
u32 val;
val = (((u32)*fd4++) | ((((u32)*fd3++) | ((((u32)*fd2++) | (((u32)*fd1++)
<< fontwidth(p))) << fontwidth(p))) << fontwidth(p))) << (24 - 3 * fontwidth(p));
sbus_writel(val, u);
}
u += x;
}
}
} else {
sbus_writel(0xFFFFFFFF<<(32-2*fontwidth(p)), &us->fontmsk);
x = 2*fontwidth(p) - fontheight(p)*2048;
while (count >= 2) {
count -= 2;
if (fontheightlog(p)) {
fd1 = p->fontdata + ((scr_readw(s++) & p->charmask) << (fontheightlog(p) + 1));
fd2 = p->fontdata + ((scr_readw(s++) & p->charmask) << (fontheightlog(p) + 1));
} else {
fd1 = p->fontdata + (((scr_readw(s++) & p->charmask) * fontheight(p)) << 1);
fd2 = p->fontdata + (((scr_readw(s++) & p->charmask) * fontheight(p)) << 1);
}
for (i = 0; i < fontheight(p); i++, u += 2048) {
u32 val;
val = ((((u32)*(u16 *)fd1) << fontwidth(p)) | ((u32)*(u16 *)fd2)) << (16 - fontwidth(p));
sbus_writel(val, u);
fd1 += 2; fd2 += 2;
}
u += x;
}
}
sbus_writel(0xFFFFFFFF<<(32-fontwidth(p)), &us->fontmsk);
x = fontwidth(p) - fontheight(p)*2048;
while (count) {
count--;
if (fontheightlog(p))
i = ((scr_readw(s++) & p->charmask) << fontheightlog(p));
else
i = ((scr_readw(s++) & p->charmask) * fontheight(p));
if (fontwidth(p) <= 8) {
fd1 = p->fontdata + i;
for (i = 0; i < fontheight(p); i++, u += 2048) {
u32 val = *fd1++ << 24;
sbus_writel(val, u);
}
} else {
fd1 = p->fontdata + (i << 1);
for (i = 0; i < fontheight(p); i++, u += 2048) {
u32 val = *(u16 *)fd1 << 16;
sbus_writel(val, u);
fd1 += 2;
}
}
u += x;
}
spin_unlock_irqrestore(&fb->lock, flags);
}
static void leo_revc(struct display *p, int xx, int yy)
{
/* Not used if hw cursor */
}
static int leo_wait (struct leo_lx_krn *lx_krn)
{
int i;
for (i = 0; (sbus_readl(&lx_krn->krn_csr) & LEO_KRN_CSR_PROGRESS) && i < 300000; i++)
udelay (1); /* Busy wait at most 0.3 sec */
if (i == 300000)
return -EFAULT; /* Timed out - should we print some message? */
return 0;
}
static void leo_loadcmap (struct fb_info_sbusfb *fb, struct display *p, int index, int count)
{
struct leo_lx_krn *lx_krn = fb->s.leo.lx_krn;
unsigned long flags;
u32 tmp;
int i;
spin_lock_irqsave(&fb->lock, flags);
sbus_writel(LEO_KRN_TYPE_CLUT0, &lx_krn->krn_type);
i = leo_wait (lx_krn);
if (i)
goto out;
sbus_writel(LEO_KRN_TYPE_CLUTDATA, &lx_krn->krn_type);
for (i = 0; i < 256; i++) {
u32 val;
val = fb->color_map CM(i,0) |
(fb->color_map CM(i,1) << 8) |
(fb->color_map CM(i,2) << 16);
sbus_writel(val, &lx_krn->krn_value); /* Throw colors there :)) */
}
sbus_writel(LEO_KRN_TYPE_CLUT0, &lx_krn->krn_type);
tmp = sbus_readl(&lx_krn->krn_csr);
tmp |= (LEO_KRN_CSR_UNK|LEO_KRN_CSR_UNK2);
sbus_writel(tmp, &lx_krn->krn_csr);
out:
spin_unlock_irqrestore(&fb->lock, flags);
}
static void leo_restore_palette (struct fb_info_sbusfb *fb)
{
u32 tmp;
unsigned long flags;
spin_lock_irqsave(&fb->lock, flags);
tmp = sbus_readl(&fb->s.leo.ld_ss1->ss1_misc);
tmp &= ~(LEO_SS1_MISC_ENABLE);
sbus_writel(tmp, &fb->s.leo.ld_ss1->ss1_misc);
spin_unlock_irqrestore(&fb->lock, flags);
}
static struct display_switch leo_dispsw __initdata = {
setup: leo_setup,
bmove: fbcon_redraw_bmove,
clear: leo_clear,
putc: leo_putc,
putcs: leo_putcs,
revc: leo_revc,
fontwidthmask: FONTWIDTHRANGE(1,16) /* Allow fontwidths up to 16 */
};
static void leo_setcursormap (struct fb_info_sbusfb *fb, u8 *red, u8 *green, u8 *blue)
{
struct leo_cursor *l = fb->s.leo.cursor;
unsigned long flags;
int i;
spin_lock_irqsave(&fb->lock, flags);
for (i = 0; (sbus_readl(&l->cur_misc) & LEO_CUR_PROGRESS) && i < 300000; i++)
udelay (1); /* Busy wait at most 0.3 sec */
if (i == 300000)
goto out; /* Timed out - should we print some message? */
sbus_writel(LEO_CUR_TYPE_CMAP, &l->cur_type);
sbus_writel((red[0] | (green[0]<<8) | (blue[0]<<16)), &l->cur_data);
sbus_writel((red[1] | (green[1]<<8) | (blue[1]<<16)), &l->cur_data);
sbus_writel(LEO_CUR_UPDATECMAP, &l->cur_misc);
out:
spin_unlock_irqrestore(&fb->lock, flags);
}
/* Set cursor shape */
static void leo_setcurshape (struct fb_info_sbusfb *fb)
{
int i, j, k;
u32 m, n, mask;
struct leo_cursor *l = fb->s.leo.cursor;
u32 tmp;
unsigned long flags;
spin_lock_irqsave(&fb->lock, flags);
tmp = sbus_readl(&l->cur_misc);
tmp &= ~LEO_CUR_ENABLE;
sbus_writel(tmp, &l->cur_misc);
for (k = 0; k < 2; k ++) {
sbus_writel((k * LEO_CUR_TYPE_IMAGE), &l->cur_type);
for (i = 0; i < 32; i++) {
mask = 0;
m = fb->cursor.bits[k][i];
/* mask = m with reversed bit order */
for (j = 0, n = 1; j < 32; j++, n <<= 1)
if (m & n)
mask |= (0x80000000 >> j);
sbus_writel(mask, &l->cur_data);
}
}
tmp = sbus_readl(&l->cur_misc);
tmp |= LEO_CUR_ENABLE;
sbus_writel(tmp, &l->cur_misc);
spin_unlock_irqrestore(&fb->lock, flags);
}
/* Load cursor information */
static void leo_setcursor (struct fb_info_sbusfb *fb)
{
struct cg_cursor *c = &fb->cursor;
struct leo_cursor *l = fb->s.leo.cursor;
unsigned long flags;
u32 tmp;
spin_lock_irqsave(&fb->lock, flags);
tmp = sbus_readl(&l->cur_misc);
tmp &= ~LEO_CUR_ENABLE;
sbus_writel(tmp, &l->cur_misc);
sbus_writel(((c->cpos.fbx - c->chot.fbx) & 0x7ff) |
(((c->cpos.fby - c->chot.fby) & 0x7ff) << 11),
&l->cur_cursxy);
tmp = sbus_readl(&l->cur_misc);
tmp |= LEO_CUR_UPDATE;
if (c->enable)
tmp |= LEO_CUR_ENABLE;
sbus_writel(tmp, &l->cur_misc);
spin_unlock_irqrestore(&fb->lock, flags);
}
static void leo_blank (struct fb_info_sbusfb *fb)
{
unsigned long flags;
u32 tmp;
spin_lock_irqsave(&fb->lock, flags);
sbus_writel(LEO_KRN_TYPE_VIDEO, &fb->s.leo.lx_krn->krn_type);
tmp = sbus_readl(&fb->s.leo.lx_krn->krn_csr);
tmp &= ~LEO_KRN_CSR_ENABLE;
sbus_writel(tmp, &fb->s.leo.lx_krn->krn_csr);
spin_unlock_irqrestore(&fb->lock, flags);
}
static void leo_unblank (struct fb_info_sbusfb *fb)
{
unsigned long flags;
u32 tmp;
spin_lock_irqsave(&fb->lock, flags);
sbus_writel(LEO_KRN_TYPE_VIDEO, &fb->s.leo.lx_krn->krn_type);
tmp = sbus_readl(&fb->s.leo.lx_krn->krn_csr);
if (!(tmp & LEO_KRN_CSR_ENABLE)) {
tmp |= LEO_KRN_CSR_ENABLE;
sbus_writel(tmp, &fb->s.leo.lx_krn->krn_csr);
}
spin_unlock_irqrestore(&fb->lock, flags);
}
static int __init
leo_wid_put (struct fb_info_sbusfb *fb, struct fb_wid_list *wl)
{
struct leo_lx_krn *lx_krn = fb->s.leo.lx_krn;
struct fb_wid_item *wi;
int i, j;
sbus_writel(LEO_KRN_TYPE_WID, &lx_krn->krn_type);
i = leo_wait (lx_krn);
if (i)
return i;
for (i = 0, wi = wl->wl_list; i < wl->wl_count; i++, wi++) {
switch (wi->wi_type) {
case FB_WID_DBL_8: j = (wi->wi_index & 0xf) + 0x40; break;
case FB_WID_DBL_24: j = wi->wi_index & 0x3f; break;
default: return -EINVAL;
}
sbus_writel(0x5800 + j, &lx_krn->krn_type);
sbus_writel(wi->wi_values[0], &lx_krn->krn_value);
}
sbus_writel(LEO_KRN_TYPE_WID, &lx_krn->krn_type);
sbus_writel(3, &lx_krn->krn_csr);
return 0;
}
static void leo_margins (struct fb_info_sbusfb *fb, struct display *p, int x_margin, int y_margin)
{
p->screen_base += 8192 * (y_margin - fb->y_margin) + 4 * (x_margin - fb->x_margin);
}
static void leo_switch_from_graph (struct fb_info_sbusfb *fb)
{
register struct leo_lc_ss0_usr *us = fb->s.leo.lc_ss0_usr;
register struct leo_ld *ss = (struct leo_ld *) fb->s.leo.ld_ss0;
unsigned long flags;
spin_lock_irqsave(&fb->lock, flags);
sbus_writel(0xffffffff, &ss->wid);
sbus_writel(0xffff, &ss->wmask);
sbus_writel(0, &ss->vclipmin);
sbus_writel(fb->s.leo.extent, &ss->vclipmax);
sbus_writel(0xff000000, &ss->planemask);
sbus_writel(0x310850, &ss->rop);
sbus_writel(0, &ss->widclip);
sbus_writel(4, &us->addrspace);
sbus_writel(0, &us->fontt);
spin_unlock_irqrestore(&fb->lock, flags);
}
static int __init leo_rasterimg (struct fb_info *info, int start)
{
struct fb_info_sbusfb *fb = sbusfbinfo(info);
register struct leo_lc_ss0_usr *us = fb->s.leo.lc_ss0_usr;
register struct leo_ld *ss = (struct leo_ld *) fb->s.leo.ld_ss0;
if (start) {
sbus_writel(1, &ss->wid);
sbus_writel(0xffffff, &ss->planemask);
sbus_writel(0x310b90, &ss->rop);
sbus_writel(0, &us->addrspace);
} else {
sbus_writel(0xffffffff, &ss->wid);
sbus_writel(0xff000000, &ss->planemask);
sbus_writel(0x310850, &ss->rop);
sbus_writel(4, &us->addrspace);
}
return 0;
}
static char idstring[40] __initdata = { 0 };
char * __init leofb_init(struct fb_info_sbusfb *fb)
{
struct fb_fix_screeninfo *fix = &fb->fix;
struct fb_var_screeninfo *var = &fb->var;
struct display *disp = &fb->disp;
struct fbtype *type = &fb->type;
struct sbus_dev *sdev = fb->sbdp;
unsigned long phys = sdev->reg_addrs[0].phys_addr;
struct fb_wid_item wi;
struct fb_wid_list wl;
int i;
register struct leo_lc_ss0_usr *us;
register struct leo_ld *ss;
struct fb_ops *fbops;
u32 tmp;
strcpy(fb->info.modename, "Leo");
strcpy(fix->id, "Leo");
fix->visual = FB_VISUAL_TRUECOLOR;
fix->line_length = 8192;
fix->accel = FB_ACCEL_SUN_LEO;
var->bits_per_pixel = 32;
var->green.offset = 8;
var->blue.offset = 16;
var->accel_flags = FB_ACCELF_TEXT;
fbops = kmalloc(sizeof(*fbops), GFP_KERNEL);
if (fbops == NULL)
return NULL;
*fbops = *fb->info.fbops;
fbops->fb_rasterimg = leo_rasterimg;
fb->info.fbops = fbops;
disp->scrollmode = SCROLL_YREDRAW;
if (!disp->screen_base) {
disp->screen_base = (char *)
sbus_ioremap(&sdev->resource[0], LEO_OFF_SS0,
0x800000, "leo ram");
}
disp->screen_base += 8192 * fb->y_margin + 4 * fb->x_margin;
us = fb->s.leo.lc_ss0_usr = (struct leo_lc_ss0_usr *)
sbus_ioremap(&sdev->resource[0], LEO_OFF_LC_SS0_USR,
0x1000, "leolc ss0usr");
fb->s.leo.ld_ss0 = (struct leo_ld_ss0 *)
sbus_ioremap(&sdev->resource[0], LEO_OFF_LD_SS0,
0x1000, "leold ss0");
ss = (struct leo_ld *) fb->s.leo.ld_ss0;
fb->s.leo.ld_ss1 = (struct leo_ld_ss1 *)
sbus_ioremap(&sdev->resource[0], LEO_OFF_LD_SS1,
0x1000, "leold ss1");
fb->s.leo.lx_krn = (struct leo_lx_krn *)
sbus_ioremap(&sdev->resource[0], LEO_OFF_LX_KRN,
0x1000, "leolx krn");
fb->s.leo.cursor = (struct leo_cursor *)
sbus_ioremap(&sdev->resource[0], LEO_OFF_LX_CURSOR,
sizeof(struct leo_cursor), "leolx cursor");
fb->dispsw = leo_dispsw;
fb->s.leo.extent = (type->fb_width-1) | ((type->fb_height-1) << 16);
wl.wl_count = 1;
wl.wl_list = &wi;
wi.wi_type = FB_WID_DBL_8;
wi.wi_index = 0;
wi.wi_values [0] = 0x2c0;
leo_wid_put (fb, &wl);
wi.wi_index = 1;
wi.wi_values [0] = 0x30;
leo_wid_put (fb, &wl);
wi.wi_index = 2;
wi.wi_values [0] = 0x20;
leo_wid_put (fb, &wl);
wi.wi_type = FB_WID_DBL_24;
wi.wi_index = 1;
wi.wi_values [0] = 0x30;
leo_wid_put (fb, &wl);
tmp = sbus_readl(&fb->s.leo.ld_ss1->ss1_misc);
tmp |= LEO_SS1_MISC_ENABLE;
sbus_writel(tmp, &fb->s.leo.ld_ss1->ss1_misc);
sbus_writel(0xffffffff, &ss->wid);
sbus_writel(0xffff, &ss->wmask);
sbus_writel(0, &ss->vclipmin);
sbus_writel(fb->s.leo.extent, &ss->vclipmax);
sbus_writel(0, &ss->fg);
sbus_writel(0xff000000, &ss->planemask);
sbus_writel(0x310850, &ss->rop);
sbus_writel(0, &ss->widclip);
sbus_writel((type->fb_width-1) | ((type->fb_height-1) << 11), &us->extent);
sbus_writel(4, &us->addrspace);
sbus_writel(0x80000000, &us->fill);
sbus_writel(0, &us->fontt);
do {
i = sbus_readl(&us->csr);
} while (i & 0x20000000);
fb->margins = leo_margins;
fb->loadcmap = leo_loadcmap;
fb->setcursor = leo_setcursor;
fb->setcursormap = leo_setcursormap;
fb->setcurshape = leo_setcurshape;
fb->restore_palette = leo_restore_palette;
fb->switch_from_graph = leo_switch_from_graph;
fb->fill = leo_fill;
fb->blank = leo_blank;
fb->unblank = leo_unblank;
fb->physbase = phys;
fb->mmap_map = leo_mmap_map;
#ifdef __sparc_v9__
sprintf(idstring, "leo at %016lx", phys);
#else
sprintf(idstring, "leo at %x.%08lx", fb->iospace, phys);
#endif
return idstring;
}
MODULE_LICENSE("GPL");
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