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1275 |
phoenix |
/* $Id: leofb.c,v 1.1.1.1 2004-04-15 02:23:40 phoenix Exp $
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* leofb.c: Leo (ZX) 24/8bit frame buffer driver
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*
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* Copyright (C) 1996-1999 Jakub Jelinek (jj@ultra.linux.cz)
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* Copyright (C) 1997 Michal Rehacek (Michal.Rehacek@st.mff.cuni.cz)
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*/
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#include <linux/module.h>
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#include <linux/sched.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/string.h>
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#include <linux/mm.h>
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#include <linux/tty.h>
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#include <linux/slab.h>
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#include <linux/vmalloc.h>
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#include <linux/delay.h>
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#include <linux/interrupt.h>
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#include <linux/fb.h>
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#include <linux/init.h>
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#include <linux/selection.h>
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#include <video/sbusfb.h>
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#include <asm/io.h>
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#define LEO_OFF_LC_SS0_KRN 0x00200000UL
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#define LEO_OFF_LC_SS0_USR 0x00201000UL
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#define LEO_OFF_LC_SS1_KRN 0x01200000UL
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#define LEO_OFF_LC_SS1_USR 0x01201000UL
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#define LEO_OFF_LD_SS0 0x00400000UL
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#define LEO_OFF_LD_SS1 0x01400000UL
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#define LEO_OFF_LD_GBL 0x00401000UL
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#define LEO_OFF_LX_KRN 0x00600000UL
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#define LEO_OFF_LX_CURSOR 0x00601000UL
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#define LEO_OFF_SS0 0x00800000UL
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#define LEO_OFF_SS1 0x01800000UL
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#define LEO_OFF_UNK 0x00602000UL
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#define LEO_OFF_UNK2 0x00000000UL
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#define LEO_CUR_ENABLE 0x00000080
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#define LEO_CUR_UPDATE 0x00000030
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#define LEO_CUR_PROGRESS 0x00000006
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#define LEO_CUR_UPDATECMAP 0x00000003
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#define LEO_CUR_TYPE_MASK 0x00000000
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#define LEO_CUR_TYPE_IMAGE 0x00000020
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#define LEO_CUR_TYPE_CMAP 0x00000050
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struct leo_cursor {
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u8 xxx0[16];
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volatile u32 cur_type;
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volatile u32 cur_misc;
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volatile u32 cur_cursxy;
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volatile u32 cur_data;
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};
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#define LEO_KRN_TYPE_CLUT0 0x00001000
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#define LEO_KRN_TYPE_CLUT1 0x00001001
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#define LEO_KRN_TYPE_CLUT2 0x00001002
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#define LEO_KRN_TYPE_WID 0x00001003
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#define LEO_KRN_TYPE_UNK 0x00001006
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#define LEO_KRN_TYPE_VIDEO 0x00002003
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#define LEO_KRN_TYPE_CLUTDATA 0x00004000
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#define LEO_KRN_CSR_ENABLE 0x00000008
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#define LEO_KRN_CSR_PROGRESS 0x00000004
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#define LEO_KRN_CSR_UNK 0x00000002
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#define LEO_KRN_CSR_UNK2 0x00000001
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struct leo_lx_krn {
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volatile u32 krn_type;
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volatile u32 krn_csr;
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volatile u32 krn_value;
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};
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struct leo_lc_ss0_krn {
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volatile u32 misc;
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u8 xxx0[0x800-4];
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volatile u32 rev;
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};
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struct leo_lc_ss0_usr {
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volatile u32 csr;
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volatile u32 addrspace;
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volatile u32 fontmsk;
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volatile u32 fontt;
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volatile u32 extent;
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volatile u32 src;
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u32 dst;
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volatile u32 copy;
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volatile u32 fill;
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};
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struct leo_lc_ss1_krn {
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u8 unknown;
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};
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struct leo_lc_ss1_usr {
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u8 unknown;
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};
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struct leo_ld {
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u8 xxx0[0xe00];
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volatile u32 csr;
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volatile u32 wid;
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volatile u32 wmask;
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volatile u32 widclip;
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volatile u32 vclipmin;
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volatile u32 vclipmax;
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volatile u32 pickmin; /* SS1 only */
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volatile u32 pickmax; /* SS1 only */
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volatile u32 fg;
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volatile u32 bg;
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volatile u32 src; /* Copy/Scroll (SS0 only) */
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volatile u32 dst; /* Copy/Scroll/Fill (SS0 only) */
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volatile u32 extent; /* Copy/Scroll/Fill size (SS0 only) */
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u32 xxx1[3];
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volatile u32 setsem; /* SS1 only */
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volatile u32 clrsem; /* SS1 only */
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volatile u32 clrpick; /* SS1 only */
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volatile u32 clrdat; /* SS1 only */
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volatile u32 alpha; /* SS1 only */
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u8 xxx2[0x2c];
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volatile u32 winbg;
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volatile u32 planemask;
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volatile u32 rop;
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volatile u32 z;
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volatile u32 dczf; /* SS1 only */
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volatile u32 dczb; /* SS1 only */
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volatile u32 dcs; /* SS1 only */
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volatile u32 dczs; /* SS1 only */
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volatile u32 pickfb; /* SS1 only */
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volatile u32 pickbb; /* SS1 only */
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volatile u32 dcfc; /* SS1 only */
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volatile u32 forcecol; /* SS1 only */
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volatile u32 door[8]; /* SS1 only */
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volatile u32 pick[5]; /* SS1 only */
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};
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#define LEO_SS1_MISC_ENABLE 0x00000001
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#define LEO_SS1_MISC_STEREO 0x00000002
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struct leo_ld_ss1 {
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u8 xxx0[0xef4];
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volatile u32 ss1_misc;
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};
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struct leo_ld_gbl {
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u8 unknown;
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};
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static struct sbus_mmap_map leo_mmap_map[] = {
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{ LEO_SS0_MAP, LEO_OFF_SS0, 0x800000 },
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{ LEO_LC_SS0_USR_MAP, LEO_OFF_LC_SS0_USR, 0x1000 },
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{ LEO_LD_SS0_MAP, LEO_OFF_LD_SS0, 0x1000 },
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{ LEO_LX_CURSOR_MAP, LEO_OFF_LX_CURSOR, 0x1000 },
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{ LEO_SS1_MAP, LEO_OFF_SS1, 0x800000 },
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{ LEO_LC_SS1_USR_MAP, LEO_OFF_LC_SS1_USR, 0x1000 },
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{ LEO_LD_SS1_MAP, LEO_OFF_LD_SS1, 0x1000 },
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{ LEO_UNK_MAP, LEO_OFF_UNK, 0x1000 },
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{ LEO_LX_KRN_MAP, LEO_OFF_LX_KRN, 0x1000 },
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{ LEO_LC_SS0_KRN_MAP, LEO_OFF_LC_SS0_KRN, 0x1000 },
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{ LEO_LC_SS1_KRN_MAP, LEO_OFF_LC_SS1_KRN, 0x1000 },
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{ LEO_LD_GBL_MAP, LEO_OFF_LD_GBL, 0x1000 },
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{ LEO_UNK2_MAP, LEO_OFF_UNK2, 0x100000 },
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{ 0, 0, 0 }
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};
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static void leo_setup(struct display *p)
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{
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p->next_line = 8192;
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p->next_plane = 0;
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}
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static void leo_clear(struct vc_data *conp, struct display *p, int sy, int sx,
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int height, int width)
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{
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struct fb_info_sbusfb *fb = (struct fb_info_sbusfb *)p->fb_info;
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register struct leo_lc_ss0_usr *us = fb->s.leo.lc_ss0_usr;
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register struct leo_ld *ss = (struct leo_ld *) fb->s.leo.ld_ss0;
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unsigned long flags;
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int x, y, w, h;
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int i;
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spin_lock_irqsave(&fb->lock, flags);
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do {
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i = sbus_readl(&us->csr);
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} while (i & 0x20000000);
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sbus_writel((attr_bgcol_ec(p,conp)<<24), &ss->fg);
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if (fontheightlog(p)) {
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y = sy << fontheightlog(p); h = height << fontheightlog(p);
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} else {
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y = sy * fontheight(p); h = height * fontheight(p);
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}
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if (fontwidthlog(p)) {
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x = sx << fontwidthlog(p); w = width << fontwidthlog(p);
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} else {
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x = sx * fontwidth(p); w = width * fontwidth(p);
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}
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sbus_writel((w - 1) | ((h - 1) << 11), &us->extent);
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sbus_writel((x + fb->x_margin) | ((y + fb->y_margin) << 11) | 0x80000000,
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&us->fill);
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spin_unlock_irqrestore(&fb->lock, flags);
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}
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| 204 |
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static void leo_fill(struct fb_info_sbusfb *fb, struct display *p, int s,
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int count, unsigned short *boxes)
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{
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int i;
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register struct leo_lc_ss0_usr *us = fb->s.leo.lc_ss0_usr;
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register struct leo_ld *ss = (struct leo_ld *) fb->s.leo.ld_ss0;
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unsigned long flags;
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spin_lock_irqsave(&fb->lock, flags);
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sbus_writel((attr_bgcol(p,s)<<24), &ss->fg);
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while (count-- > 0) {
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do {
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i = sbus_readl(&us->csr);
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} while (i & 0x20000000);
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sbus_writel((boxes[2] - boxes[0] - 1) |
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((boxes[3] - boxes[1] - 1) << 11),
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&us->extent);
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sbus_writel(boxes[0] | (boxes[1] << 11) | 0x80000000,
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&us->fill);
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boxes += 4;
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}
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| 225 |
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spin_unlock_irqrestore(&fb->lock, flags);
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| 226 |
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}
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| 227 |
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| 228 |
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static void leo_putc(struct vc_data *conp, struct display *p, int c, int yy, int xx)
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{
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struct fb_info_sbusfb *fb = (struct fb_info_sbusfb *)p->fb_info;
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register struct leo_lc_ss0_usr *us = fb->s.leo.lc_ss0_usr;
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register struct leo_ld *ss = (struct leo_ld *) fb->s.leo.ld_ss0;
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unsigned long flags;
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int i, x, y;
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u8 *fd;
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| 236 |
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u32 *u;
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| 237 |
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| 238 |
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spin_lock_irqsave(&fb->lock, flags);
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| 239 |
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if (fontheightlog(p)) {
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| 240 |
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y = yy << (fontheightlog(p) + 11);
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| 241 |
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i = (c & p->charmask) << fontheightlog(p);
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| 242 |
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} else {
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| 243 |
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y = (yy * fontheight(p)) << 11;
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| 244 |
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i = (c & p->charmask) * fontheight(p);
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| 245 |
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}
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| 246 |
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if (fontwidth(p) <= 8)
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| 247 |
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fd = p->fontdata + i;
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| 248 |
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else
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| 249 |
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fd = p->fontdata + (i << 1);
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| 250 |
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if (fontwidthlog(p))
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| 251 |
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x = xx << fontwidthlog(p);
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| 252 |
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else
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| 253 |
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x = xx * fontwidth(p);
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| 254 |
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do {
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| 255 |
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i = sbus_readl(&us->csr);
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| 256 |
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} while (i & 0x20000000);
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| 257 |
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sbus_writel(attr_fgcol(p,c) << 24, &ss->fg);
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| 258 |
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sbus_writel(attr_bgcol(p,c) << 24, &ss->bg);
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| 259 |
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sbus_writel(0xFFFFFFFF<<(32-fontwidth(p)),
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| 260 |
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&us->fontmsk);
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| 261 |
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u = ((u32 *)p->screen_base) + y + x;
|
| 262 |
|
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if (fontwidth(p) <= 8) {
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| 263 |
|
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for (i = 0; i < fontheight(p); i++, u += 2048) {
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| 264 |
|
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u32 val = *fd++ << 24;
|
| 265 |
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|
| 266 |
|
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sbus_writel(val, u);
|
| 267 |
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}
|
| 268 |
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} else {
|
| 269 |
|
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for (i = 0; i < fontheight(p); i++, u += 2048) {
|
| 270 |
|
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u32 val = *(u16 *)fd << 16;
|
| 271 |
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|
| 272 |
|
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sbus_writel(val, u);
|
| 273 |
|
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fd += 2;
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| 274 |
|
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}
|
| 275 |
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}
|
| 276 |
|
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spin_unlock_irqrestore(&fb->lock, flags);
|
| 277 |
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}
|
| 278 |
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|
| 279 |
|
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static void leo_putcs(struct vc_data *conp, struct display *p, const unsigned short *s,
|
| 280 |
|
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int count, int yy, int xx)
|
| 281 |
|
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{
|
| 282 |
|
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struct fb_info_sbusfb *fb = (struct fb_info_sbusfb *)p->fb_info;
|
| 283 |
|
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register struct leo_lc_ss0_usr *us = fb->s.leo.lc_ss0_usr;
|
| 284 |
|
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register struct leo_ld *ss = (struct leo_ld *) fb->s.leo.ld_ss0;
|
| 285 |
|
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unsigned long flags;
|
| 286 |
|
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int i, x, y;
|
| 287 |
|
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u8 *fd1, *fd2, *fd3, *fd4;
|
| 288 |
|
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u16 c;
|
| 289 |
|
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u32 *u;
|
| 290 |
|
|
|
| 291 |
|
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spin_lock_irqsave(&fb->lock, flags);
|
| 292 |
|
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do {
|
| 293 |
|
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i = sbus_readl(&us->csr);
|
| 294 |
|
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} while (i & 0x20000000);
|
| 295 |
|
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c = scr_readw(s);
|
| 296 |
|
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sbus_writel(attr_fgcol(p, c) << 24, &ss->fg);
|
| 297 |
|
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sbus_writel(attr_bgcol(p, c) << 24, &ss->bg);
|
| 298 |
|
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sbus_writel(0xFFFFFFFF<<(32-fontwidth(p)), &us->fontmsk);
|
| 299 |
|
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if (fontwidthlog(p))
|
| 300 |
|
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x = (xx << fontwidthlog(p));
|
| 301 |
|
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else
|
| 302 |
|
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x = xx * fontwidth(p);
|
| 303 |
|
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if (fontheightlog(p))
|
| 304 |
|
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y = yy << (fontheightlog(p) + 11);
|
| 305 |
|
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else
|
| 306 |
|
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y = (yy * fontheight(p)) << 11;
|
| 307 |
|
|
u = ((u32 *)p->screen_base) + y + x;
|
| 308 |
|
|
if (fontwidth(p) <= 8) {
|
| 309 |
|
|
sbus_writel(0xFFFFFFFF<<(32-4*fontwidth(p)), &us->fontmsk);
|
| 310 |
|
|
x = 4*fontwidth(p) - fontheight(p)*2048;
|
| 311 |
|
|
while (count >= 4) {
|
| 312 |
|
|
count -= 4;
|
| 313 |
|
|
if (fontheightlog(p)) {
|
| 314 |
|
|
fd1 = p->fontdata + ((scr_readw(s++) & p->charmask) << fontheightlog(p));
|
| 315 |
|
|
fd2 = p->fontdata + ((scr_readw(s++) & p->charmask) << fontheightlog(p));
|
| 316 |
|
|
fd3 = p->fontdata + ((scr_readw(s++) & p->charmask) << fontheightlog(p));
|
| 317 |
|
|
fd4 = p->fontdata + ((scr_readw(s++) & p->charmask) << fontheightlog(p));
|
| 318 |
|
|
} else {
|
| 319 |
|
|
fd1 = p->fontdata + ((scr_readw(s++) & p->charmask) * fontheight(p));
|
| 320 |
|
|
fd2 = p->fontdata + ((scr_readw(s++) & p->charmask) * fontheight(p));
|
| 321 |
|
|
fd3 = p->fontdata + ((scr_readw(s++) & p->charmask) * fontheight(p));
|
| 322 |
|
|
fd4 = p->fontdata + ((scr_readw(s++) & p->charmask) * fontheight(p));
|
| 323 |
|
|
}
|
| 324 |
|
|
if (fontwidth(p) == 8) {
|
| 325 |
|
|
for (i = 0; i < fontheight(p); i++, u += 2048) {
|
| 326 |
|
|
u32 val;
|
| 327 |
|
|
|
| 328 |
|
|
val = ((u32)*fd4++) | ((((u32)*fd3++) | ((((u32)*fd2++) | (((u32)*fd1++)
|
| 329 |
|
|
<< 8)) << 8)) << 8);
|
| 330 |
|
|
sbus_writel(val, u);
|
| 331 |
|
|
}
|
| 332 |
|
|
u += x;
|
| 333 |
|
|
} else {
|
| 334 |
|
|
for (i = 0; i < fontheight(p); i++, u += 2048) {
|
| 335 |
|
|
u32 val;
|
| 336 |
|
|
|
| 337 |
|
|
val = (((u32)*fd4++) | ((((u32)*fd3++) | ((((u32)*fd2++) | (((u32)*fd1++)
|
| 338 |
|
|
<< fontwidth(p))) << fontwidth(p))) << fontwidth(p))) << (24 - 3 * fontwidth(p));
|
| 339 |
|
|
sbus_writel(val, u);
|
| 340 |
|
|
}
|
| 341 |
|
|
u += x;
|
| 342 |
|
|
}
|
| 343 |
|
|
}
|
| 344 |
|
|
} else {
|
| 345 |
|
|
sbus_writel(0xFFFFFFFF<<(32-2*fontwidth(p)), &us->fontmsk);
|
| 346 |
|
|
x = 2*fontwidth(p) - fontheight(p)*2048;
|
| 347 |
|
|
while (count >= 2) {
|
| 348 |
|
|
count -= 2;
|
| 349 |
|
|
if (fontheightlog(p)) {
|
| 350 |
|
|
fd1 = p->fontdata + ((scr_readw(s++) & p->charmask) << (fontheightlog(p) + 1));
|
| 351 |
|
|
fd2 = p->fontdata + ((scr_readw(s++) & p->charmask) << (fontheightlog(p) + 1));
|
| 352 |
|
|
} else {
|
| 353 |
|
|
fd1 = p->fontdata + (((scr_readw(s++) & p->charmask) * fontheight(p)) << 1);
|
| 354 |
|
|
fd2 = p->fontdata + (((scr_readw(s++) & p->charmask) * fontheight(p)) << 1);
|
| 355 |
|
|
}
|
| 356 |
|
|
for (i = 0; i < fontheight(p); i++, u += 2048) {
|
| 357 |
|
|
u32 val;
|
| 358 |
|
|
|
| 359 |
|
|
val = ((((u32)*(u16 *)fd1) << fontwidth(p)) | ((u32)*(u16 *)fd2)) << (16 - fontwidth(p));
|
| 360 |
|
|
sbus_writel(val, u);
|
| 361 |
|
|
fd1 += 2; fd2 += 2;
|
| 362 |
|
|
}
|
| 363 |
|
|
u += x;
|
| 364 |
|
|
}
|
| 365 |
|
|
}
|
| 366 |
|
|
sbus_writel(0xFFFFFFFF<<(32-fontwidth(p)), &us->fontmsk);
|
| 367 |
|
|
x = fontwidth(p) - fontheight(p)*2048;
|
| 368 |
|
|
while (count) {
|
| 369 |
|
|
count--;
|
| 370 |
|
|
if (fontheightlog(p))
|
| 371 |
|
|
i = ((scr_readw(s++) & p->charmask) << fontheightlog(p));
|
| 372 |
|
|
else
|
| 373 |
|
|
i = ((scr_readw(s++) & p->charmask) * fontheight(p));
|
| 374 |
|
|
if (fontwidth(p) <= 8) {
|
| 375 |
|
|
fd1 = p->fontdata + i;
|
| 376 |
|
|
for (i = 0; i < fontheight(p); i++, u += 2048) {
|
| 377 |
|
|
u32 val = *fd1++ << 24;
|
| 378 |
|
|
|
| 379 |
|
|
sbus_writel(val, u);
|
| 380 |
|
|
}
|
| 381 |
|
|
} else {
|
| 382 |
|
|
fd1 = p->fontdata + (i << 1);
|
| 383 |
|
|
for (i = 0; i < fontheight(p); i++, u += 2048) {
|
| 384 |
|
|
u32 val = *(u16 *)fd1 << 16;
|
| 385 |
|
|
|
| 386 |
|
|
sbus_writel(val, u);
|
| 387 |
|
|
fd1 += 2;
|
| 388 |
|
|
}
|
| 389 |
|
|
}
|
| 390 |
|
|
u += x;
|
| 391 |
|
|
}
|
| 392 |
|
|
spin_unlock_irqrestore(&fb->lock, flags);
|
| 393 |
|
|
}
|
| 394 |
|
|
|
| 395 |
|
|
static void leo_revc(struct display *p, int xx, int yy)
|
| 396 |
|
|
{
|
| 397 |
|
|
/* Not used if hw cursor */
|
| 398 |
|
|
}
|
| 399 |
|
|
|
| 400 |
|
|
static int leo_wait (struct leo_lx_krn *lx_krn)
|
| 401 |
|
|
{
|
| 402 |
|
|
int i;
|
| 403 |
|
|
|
| 404 |
|
|
for (i = 0; (sbus_readl(&lx_krn->krn_csr) & LEO_KRN_CSR_PROGRESS) && i < 300000; i++)
|
| 405 |
|
|
udelay (1); /* Busy wait at most 0.3 sec */
|
| 406 |
|
|
if (i == 300000)
|
| 407 |
|
|
return -EFAULT; /* Timed out - should we print some message? */
|
| 408 |
|
|
return 0;
|
| 409 |
|
|
}
|
| 410 |
|
|
|
| 411 |
|
|
static void leo_loadcmap (struct fb_info_sbusfb *fb, struct display *p, int index, int count)
|
| 412 |
|
|
{
|
| 413 |
|
|
struct leo_lx_krn *lx_krn = fb->s.leo.lx_krn;
|
| 414 |
|
|
unsigned long flags;
|
| 415 |
|
|
u32 tmp;
|
| 416 |
|
|
int i;
|
| 417 |
|
|
|
| 418 |
|
|
spin_lock_irqsave(&fb->lock, flags);
|
| 419 |
|
|
sbus_writel(LEO_KRN_TYPE_CLUT0, &lx_krn->krn_type);
|
| 420 |
|
|
i = leo_wait (lx_krn);
|
| 421 |
|
|
if (i)
|
| 422 |
|
|
goto out;
|
| 423 |
|
|
sbus_writel(LEO_KRN_TYPE_CLUTDATA, &lx_krn->krn_type);
|
| 424 |
|
|
for (i = 0; i < 256; i++) {
|
| 425 |
|
|
u32 val;
|
| 426 |
|
|
|
| 427 |
|
|
val = fb->color_map CM(i,0) |
|
| 428 |
|
|
(fb->color_map CM(i,1) << 8) |
|
| 429 |
|
|
(fb->color_map CM(i,2) << 16);
|
| 430 |
|
|
|
| 431 |
|
|
sbus_writel(val, &lx_krn->krn_value); /* Throw colors there :)) */
|
| 432 |
|
|
}
|
| 433 |
|
|
sbus_writel(LEO_KRN_TYPE_CLUT0, &lx_krn->krn_type);
|
| 434 |
|
|
tmp = sbus_readl(&lx_krn->krn_csr);
|
| 435 |
|
|
tmp |= (LEO_KRN_CSR_UNK|LEO_KRN_CSR_UNK2);
|
| 436 |
|
|
sbus_writel(tmp, &lx_krn->krn_csr);
|
| 437 |
|
|
out:
|
| 438 |
|
|
spin_unlock_irqrestore(&fb->lock, flags);
|
| 439 |
|
|
}
|
| 440 |
|
|
|
| 441 |
|
|
static void leo_restore_palette (struct fb_info_sbusfb *fb)
|
| 442 |
|
|
{
|
| 443 |
|
|
u32 tmp;
|
| 444 |
|
|
unsigned long flags;
|
| 445 |
|
|
|
| 446 |
|
|
spin_lock_irqsave(&fb->lock, flags);
|
| 447 |
|
|
tmp = sbus_readl(&fb->s.leo.ld_ss1->ss1_misc);
|
| 448 |
|
|
tmp &= ~(LEO_SS1_MISC_ENABLE);
|
| 449 |
|
|
sbus_writel(tmp, &fb->s.leo.ld_ss1->ss1_misc);
|
| 450 |
|
|
spin_unlock_irqrestore(&fb->lock, flags);
|
| 451 |
|
|
}
|
| 452 |
|
|
|
| 453 |
|
|
static struct display_switch leo_dispsw __initdata = {
|
| 454 |
|
|
setup: leo_setup,
|
| 455 |
|
|
bmove: fbcon_redraw_bmove,
|
| 456 |
|
|
clear: leo_clear,
|
| 457 |
|
|
putc: leo_putc,
|
| 458 |
|
|
putcs: leo_putcs,
|
| 459 |
|
|
revc: leo_revc,
|
| 460 |
|
|
fontwidthmask: FONTWIDTHRANGE(1,16) /* Allow fontwidths up to 16 */
|
| 461 |
|
|
};
|
| 462 |
|
|
|
| 463 |
|
|
static void leo_setcursormap (struct fb_info_sbusfb *fb, u8 *red, u8 *green, u8 *blue)
|
| 464 |
|
|
{
|
| 465 |
|
|
struct leo_cursor *l = fb->s.leo.cursor;
|
| 466 |
|
|
unsigned long flags;
|
| 467 |
|
|
int i;
|
| 468 |
|
|
|
| 469 |
|
|
spin_lock_irqsave(&fb->lock, flags);
|
| 470 |
|
|
for (i = 0; (sbus_readl(&l->cur_misc) & LEO_CUR_PROGRESS) && i < 300000; i++)
|
| 471 |
|
|
udelay (1); /* Busy wait at most 0.3 sec */
|
| 472 |
|
|
if (i == 300000)
|
| 473 |
|
|
goto out; /* Timed out - should we print some message? */
|
| 474 |
|
|
sbus_writel(LEO_CUR_TYPE_CMAP, &l->cur_type);
|
| 475 |
|
|
sbus_writel((red[0] | (green[0]<<8) | (blue[0]<<16)), &l->cur_data);
|
| 476 |
|
|
sbus_writel((red[1] | (green[1]<<8) | (blue[1]<<16)), &l->cur_data);
|
| 477 |
|
|
sbus_writel(LEO_CUR_UPDATECMAP, &l->cur_misc);
|
| 478 |
|
|
out:
|
| 479 |
|
|
spin_unlock_irqrestore(&fb->lock, flags);
|
| 480 |
|
|
}
|
| 481 |
|
|
|
| 482 |
|
|
/* Set cursor shape */
|
| 483 |
|
|
static void leo_setcurshape (struct fb_info_sbusfb *fb)
|
| 484 |
|
|
{
|
| 485 |
|
|
int i, j, k;
|
| 486 |
|
|
u32 m, n, mask;
|
| 487 |
|
|
struct leo_cursor *l = fb->s.leo.cursor;
|
| 488 |
|
|
u32 tmp;
|
| 489 |
|
|
unsigned long flags;
|
| 490 |
|
|
|
| 491 |
|
|
spin_lock_irqsave(&fb->lock, flags);
|
| 492 |
|
|
tmp = sbus_readl(&l->cur_misc);
|
| 493 |
|
|
tmp &= ~LEO_CUR_ENABLE;
|
| 494 |
|
|
sbus_writel(tmp, &l->cur_misc);
|
| 495 |
|
|
for (k = 0; k < 2; k ++) {
|
| 496 |
|
|
sbus_writel((k * LEO_CUR_TYPE_IMAGE), &l->cur_type);
|
| 497 |
|
|
for (i = 0; i < 32; i++) {
|
| 498 |
|
|
mask = 0;
|
| 499 |
|
|
m = fb->cursor.bits[k][i];
|
| 500 |
|
|
/* mask = m with reversed bit order */
|
| 501 |
|
|
for (j = 0, n = 1; j < 32; j++, n <<= 1)
|
| 502 |
|
|
if (m & n)
|
| 503 |
|
|
mask |= (0x80000000 >> j);
|
| 504 |
|
|
sbus_writel(mask, &l->cur_data);
|
| 505 |
|
|
}
|
| 506 |
|
|
}
|
| 507 |
|
|
tmp = sbus_readl(&l->cur_misc);
|
| 508 |
|
|
tmp |= LEO_CUR_ENABLE;
|
| 509 |
|
|
sbus_writel(tmp, &l->cur_misc);
|
| 510 |
|
|
spin_unlock_irqrestore(&fb->lock, flags);
|
| 511 |
|
|
}
|
| 512 |
|
|
|
| 513 |
|
|
/* Load cursor information */
|
| 514 |
|
|
static void leo_setcursor (struct fb_info_sbusfb *fb)
|
| 515 |
|
|
{
|
| 516 |
|
|
struct cg_cursor *c = &fb->cursor;
|
| 517 |
|
|
struct leo_cursor *l = fb->s.leo.cursor;
|
| 518 |
|
|
unsigned long flags;
|
| 519 |
|
|
u32 tmp;
|
| 520 |
|
|
|
| 521 |
|
|
spin_lock_irqsave(&fb->lock, flags);
|
| 522 |
|
|
tmp = sbus_readl(&l->cur_misc);
|
| 523 |
|
|
tmp &= ~LEO_CUR_ENABLE;
|
| 524 |
|
|
sbus_writel(tmp, &l->cur_misc);
|
| 525 |
|
|
|
| 526 |
|
|
sbus_writel(((c->cpos.fbx - c->chot.fbx) & 0x7ff) |
|
| 527 |
|
|
(((c->cpos.fby - c->chot.fby) & 0x7ff) << 11),
|
| 528 |
|
|
&l->cur_cursxy);
|
| 529 |
|
|
|
| 530 |
|
|
tmp = sbus_readl(&l->cur_misc);
|
| 531 |
|
|
tmp |= LEO_CUR_UPDATE;
|
| 532 |
|
|
if (c->enable)
|
| 533 |
|
|
tmp |= LEO_CUR_ENABLE;
|
| 534 |
|
|
sbus_writel(tmp, &l->cur_misc);
|
| 535 |
|
|
spin_unlock_irqrestore(&fb->lock, flags);
|
| 536 |
|
|
}
|
| 537 |
|
|
|
| 538 |
|
|
static void leo_blank (struct fb_info_sbusfb *fb)
|
| 539 |
|
|
{
|
| 540 |
|
|
unsigned long flags;
|
| 541 |
|
|
u32 tmp;
|
| 542 |
|
|
|
| 543 |
|
|
spin_lock_irqsave(&fb->lock, flags);
|
| 544 |
|
|
sbus_writel(LEO_KRN_TYPE_VIDEO, &fb->s.leo.lx_krn->krn_type);
|
| 545 |
|
|
|
| 546 |
|
|
tmp = sbus_readl(&fb->s.leo.lx_krn->krn_csr);
|
| 547 |
|
|
tmp &= ~LEO_KRN_CSR_ENABLE;
|
| 548 |
|
|
sbus_writel(tmp, &fb->s.leo.lx_krn->krn_csr);
|
| 549 |
|
|
spin_unlock_irqrestore(&fb->lock, flags);
|
| 550 |
|
|
}
|
| 551 |
|
|
|
| 552 |
|
|
static void leo_unblank (struct fb_info_sbusfb *fb)
|
| 553 |
|
|
{
|
| 554 |
|
|
unsigned long flags;
|
| 555 |
|
|
u32 tmp;
|
| 556 |
|
|
|
| 557 |
|
|
spin_lock_irqsave(&fb->lock, flags);
|
| 558 |
|
|
sbus_writel(LEO_KRN_TYPE_VIDEO, &fb->s.leo.lx_krn->krn_type);
|
| 559 |
|
|
|
| 560 |
|
|
tmp = sbus_readl(&fb->s.leo.lx_krn->krn_csr);
|
| 561 |
|
|
if (!(tmp & LEO_KRN_CSR_ENABLE)) {
|
| 562 |
|
|
tmp |= LEO_KRN_CSR_ENABLE;
|
| 563 |
|
|
sbus_writel(tmp, &fb->s.leo.lx_krn->krn_csr);
|
| 564 |
|
|
}
|
| 565 |
|
|
spin_unlock_irqrestore(&fb->lock, flags);
|
| 566 |
|
|
}
|
| 567 |
|
|
|
| 568 |
|
|
static int __init
|
| 569 |
|
|
leo_wid_put (struct fb_info_sbusfb *fb, struct fb_wid_list *wl)
|
| 570 |
|
|
{
|
| 571 |
|
|
struct leo_lx_krn *lx_krn = fb->s.leo.lx_krn;
|
| 572 |
|
|
struct fb_wid_item *wi;
|
| 573 |
|
|
int i, j;
|
| 574 |
|
|
|
| 575 |
|
|
sbus_writel(LEO_KRN_TYPE_WID, &lx_krn->krn_type);
|
| 576 |
|
|
i = leo_wait (lx_krn);
|
| 577 |
|
|
if (i)
|
| 578 |
|
|
return i;
|
| 579 |
|
|
for (i = 0, wi = wl->wl_list; i < wl->wl_count; i++, wi++) {
|
| 580 |
|
|
switch (wi->wi_type) {
|
| 581 |
|
|
case FB_WID_DBL_8: j = (wi->wi_index & 0xf) + 0x40; break;
|
| 582 |
|
|
case FB_WID_DBL_24: j = wi->wi_index & 0x3f; break;
|
| 583 |
|
|
default: return -EINVAL;
|
| 584 |
|
|
}
|
| 585 |
|
|
sbus_writel(0x5800 + j, &lx_krn->krn_type);
|
| 586 |
|
|
sbus_writel(wi->wi_values[0], &lx_krn->krn_value);
|
| 587 |
|
|
}
|
| 588 |
|
|
sbus_writel(LEO_KRN_TYPE_WID, &lx_krn->krn_type);
|
| 589 |
|
|
sbus_writel(3, &lx_krn->krn_csr);
|
| 590 |
|
|
return 0;
|
| 591 |
|
|
}
|
| 592 |
|
|
|
| 593 |
|
|
static void leo_margins (struct fb_info_sbusfb *fb, struct display *p, int x_margin, int y_margin)
|
| 594 |
|
|
{
|
| 595 |
|
|
p->screen_base += 8192 * (y_margin - fb->y_margin) + 4 * (x_margin - fb->x_margin);
|
| 596 |
|
|
}
|
| 597 |
|
|
|
| 598 |
|
|
static void leo_switch_from_graph (struct fb_info_sbusfb *fb)
|
| 599 |
|
|
{
|
| 600 |
|
|
register struct leo_lc_ss0_usr *us = fb->s.leo.lc_ss0_usr;
|
| 601 |
|
|
register struct leo_ld *ss = (struct leo_ld *) fb->s.leo.ld_ss0;
|
| 602 |
|
|
unsigned long flags;
|
| 603 |
|
|
|
| 604 |
|
|
spin_lock_irqsave(&fb->lock, flags);
|
| 605 |
|
|
sbus_writel(0xffffffff, &ss->wid);
|
| 606 |
|
|
sbus_writel(0xffff, &ss->wmask);
|
| 607 |
|
|
sbus_writel(0, &ss->vclipmin);
|
| 608 |
|
|
sbus_writel(fb->s.leo.extent, &ss->vclipmax);
|
| 609 |
|
|
sbus_writel(0xff000000, &ss->planemask);
|
| 610 |
|
|
sbus_writel(0x310850, &ss->rop);
|
| 611 |
|
|
sbus_writel(0, &ss->widclip);
|
| 612 |
|
|
sbus_writel(4, &us->addrspace);
|
| 613 |
|
|
sbus_writel(0, &us->fontt);
|
| 614 |
|
|
spin_unlock_irqrestore(&fb->lock, flags);
|
| 615 |
|
|
}
|
| 616 |
|
|
|
| 617 |
|
|
static int __init leo_rasterimg (struct fb_info *info, int start)
|
| 618 |
|
|
{
|
| 619 |
|
|
struct fb_info_sbusfb *fb = sbusfbinfo(info);
|
| 620 |
|
|
register struct leo_lc_ss0_usr *us = fb->s.leo.lc_ss0_usr;
|
| 621 |
|
|
register struct leo_ld *ss = (struct leo_ld *) fb->s.leo.ld_ss0;
|
| 622 |
|
|
|
| 623 |
|
|
if (start) {
|
| 624 |
|
|
sbus_writel(1, &ss->wid);
|
| 625 |
|
|
sbus_writel(0xffffff, &ss->planemask);
|
| 626 |
|
|
sbus_writel(0x310b90, &ss->rop);
|
| 627 |
|
|
sbus_writel(0, &us->addrspace);
|
| 628 |
|
|
} else {
|
| 629 |
|
|
sbus_writel(0xffffffff, &ss->wid);
|
| 630 |
|
|
sbus_writel(0xff000000, &ss->planemask);
|
| 631 |
|
|
sbus_writel(0x310850, &ss->rop);
|
| 632 |
|
|
sbus_writel(4, &us->addrspace);
|
| 633 |
|
|
}
|
| 634 |
|
|
return 0;
|
| 635 |
|
|
}
|
| 636 |
|
|
|
| 637 |
|
|
static char idstring[40] __initdata = { 0 };
|
| 638 |
|
|
|
| 639 |
|
|
char * __init leofb_init(struct fb_info_sbusfb *fb)
|
| 640 |
|
|
{
|
| 641 |
|
|
struct fb_fix_screeninfo *fix = &fb->fix;
|
| 642 |
|
|
struct fb_var_screeninfo *var = &fb->var;
|
| 643 |
|
|
struct display *disp = &fb->disp;
|
| 644 |
|
|
struct fbtype *type = &fb->type;
|
| 645 |
|
|
struct sbus_dev *sdev = fb->sbdp;
|
| 646 |
|
|
unsigned long phys = sdev->reg_addrs[0].phys_addr;
|
| 647 |
|
|
struct fb_wid_item wi;
|
| 648 |
|
|
struct fb_wid_list wl;
|
| 649 |
|
|
int i;
|
| 650 |
|
|
register struct leo_lc_ss0_usr *us;
|
| 651 |
|
|
register struct leo_ld *ss;
|
| 652 |
|
|
struct fb_ops *fbops;
|
| 653 |
|
|
u32 tmp;
|
| 654 |
|
|
|
| 655 |
|
|
strcpy(fb->info.modename, "Leo");
|
| 656 |
|
|
|
| 657 |
|
|
strcpy(fix->id, "Leo");
|
| 658 |
|
|
fix->visual = FB_VISUAL_TRUECOLOR;
|
| 659 |
|
|
fix->line_length = 8192;
|
| 660 |
|
|
fix->accel = FB_ACCEL_SUN_LEO;
|
| 661 |
|
|
|
| 662 |
|
|
var->bits_per_pixel = 32;
|
| 663 |
|
|
var->green.offset = 8;
|
| 664 |
|
|
var->blue.offset = 16;
|
| 665 |
|
|
var->accel_flags = FB_ACCELF_TEXT;
|
| 666 |
|
|
|
| 667 |
|
|
fbops = kmalloc(sizeof(*fbops), GFP_KERNEL);
|
| 668 |
|
|
if (fbops == NULL)
|
| 669 |
|
|
return NULL;
|
| 670 |
|
|
|
| 671 |
|
|
*fbops = *fb->info.fbops;
|
| 672 |
|
|
fbops->fb_rasterimg = leo_rasterimg;
|
| 673 |
|
|
fb->info.fbops = fbops;
|
| 674 |
|
|
|
| 675 |
|
|
disp->scrollmode = SCROLL_YREDRAW;
|
| 676 |
|
|
if (!disp->screen_base) {
|
| 677 |
|
|
disp->screen_base = (char *)
|
| 678 |
|
|
sbus_ioremap(&sdev->resource[0], LEO_OFF_SS0,
|
| 679 |
|
|
0x800000, "leo ram");
|
| 680 |
|
|
}
|
| 681 |
|
|
disp->screen_base += 8192 * fb->y_margin + 4 * fb->x_margin;
|
| 682 |
|
|
us = fb->s.leo.lc_ss0_usr = (struct leo_lc_ss0_usr *)
|
| 683 |
|
|
sbus_ioremap(&sdev->resource[0], LEO_OFF_LC_SS0_USR,
|
| 684 |
|
|
0x1000, "leolc ss0usr");
|
| 685 |
|
|
fb->s.leo.ld_ss0 = (struct leo_ld_ss0 *)
|
| 686 |
|
|
sbus_ioremap(&sdev->resource[0], LEO_OFF_LD_SS0,
|
| 687 |
|
|
0x1000, "leold ss0");
|
| 688 |
|
|
ss = (struct leo_ld *) fb->s.leo.ld_ss0;
|
| 689 |
|
|
fb->s.leo.ld_ss1 = (struct leo_ld_ss1 *)
|
| 690 |
|
|
sbus_ioremap(&sdev->resource[0], LEO_OFF_LD_SS1,
|
| 691 |
|
|
0x1000, "leold ss1");
|
| 692 |
|
|
fb->s.leo.lx_krn = (struct leo_lx_krn *)
|
| 693 |
|
|
sbus_ioremap(&sdev->resource[0], LEO_OFF_LX_KRN,
|
| 694 |
|
|
0x1000, "leolx krn");
|
| 695 |
|
|
fb->s.leo.cursor = (struct leo_cursor *)
|
| 696 |
|
|
sbus_ioremap(&sdev->resource[0], LEO_OFF_LX_CURSOR,
|
| 697 |
|
|
sizeof(struct leo_cursor), "leolx cursor");
|
| 698 |
|
|
fb->dispsw = leo_dispsw;
|
| 699 |
|
|
|
| 700 |
|
|
fb->s.leo.extent = (type->fb_width-1) | ((type->fb_height-1) << 16);
|
| 701 |
|
|
|
| 702 |
|
|
wl.wl_count = 1;
|
| 703 |
|
|
wl.wl_list = &wi;
|
| 704 |
|
|
wi.wi_type = FB_WID_DBL_8;
|
| 705 |
|
|
wi.wi_index = 0;
|
| 706 |
|
|
wi.wi_values [0] = 0x2c0;
|
| 707 |
|
|
leo_wid_put (fb, &wl);
|
| 708 |
|
|
wi.wi_index = 1;
|
| 709 |
|
|
wi.wi_values [0] = 0x30;
|
| 710 |
|
|
leo_wid_put (fb, &wl);
|
| 711 |
|
|
wi.wi_index = 2;
|
| 712 |
|
|
wi.wi_values [0] = 0x20;
|
| 713 |
|
|
leo_wid_put (fb, &wl);
|
| 714 |
|
|
wi.wi_type = FB_WID_DBL_24;
|
| 715 |
|
|
wi.wi_index = 1;
|
| 716 |
|
|
wi.wi_values [0] = 0x30;
|
| 717 |
|
|
leo_wid_put (fb, &wl);
|
| 718 |
|
|
|
| 719 |
|
|
tmp = sbus_readl(&fb->s.leo.ld_ss1->ss1_misc);
|
| 720 |
|
|
tmp |= LEO_SS1_MISC_ENABLE;
|
| 721 |
|
|
sbus_writel(tmp, &fb->s.leo.ld_ss1->ss1_misc);
|
| 722 |
|
|
|
| 723 |
|
|
sbus_writel(0xffffffff, &ss->wid);
|
| 724 |
|
|
sbus_writel(0xffff, &ss->wmask);
|
| 725 |
|
|
sbus_writel(0, &ss->vclipmin);
|
| 726 |
|
|
sbus_writel(fb->s.leo.extent, &ss->vclipmax);
|
| 727 |
|
|
sbus_writel(0, &ss->fg);
|
| 728 |
|
|
sbus_writel(0xff000000, &ss->planemask);
|
| 729 |
|
|
sbus_writel(0x310850, &ss->rop);
|
| 730 |
|
|
sbus_writel(0, &ss->widclip);
|
| 731 |
|
|
sbus_writel((type->fb_width-1) | ((type->fb_height-1) << 11), &us->extent);
|
| 732 |
|
|
sbus_writel(4, &us->addrspace);
|
| 733 |
|
|
sbus_writel(0x80000000, &us->fill);
|
| 734 |
|
|
sbus_writel(0, &us->fontt);
|
| 735 |
|
|
do {
|
| 736 |
|
|
i = sbus_readl(&us->csr);
|
| 737 |
|
|
} while (i & 0x20000000);
|
| 738 |
|
|
|
| 739 |
|
|
fb->margins = leo_margins;
|
| 740 |
|
|
fb->loadcmap = leo_loadcmap;
|
| 741 |
|
|
fb->setcursor = leo_setcursor;
|
| 742 |
|
|
fb->setcursormap = leo_setcursormap;
|
| 743 |
|
|
fb->setcurshape = leo_setcurshape;
|
| 744 |
|
|
fb->restore_palette = leo_restore_palette;
|
| 745 |
|
|
fb->switch_from_graph = leo_switch_from_graph;
|
| 746 |
|
|
fb->fill = leo_fill;
|
| 747 |
|
|
fb->blank = leo_blank;
|
| 748 |
|
|
fb->unblank = leo_unblank;
|
| 749 |
|
|
|
| 750 |
|
|
fb->physbase = phys;
|
| 751 |
|
|
fb->mmap_map = leo_mmap_map;
|
| 752 |
|
|
|
| 753 |
|
|
#ifdef __sparc_v9__
|
| 754 |
|
|
sprintf(idstring, "leo at %016lx", phys);
|
| 755 |
|
|
#else
|
| 756 |
|
|
sprintf(idstring, "leo at %x.%08lx", fb->iospace, phys);
|
| 757 |
|
|
#endif
|
| 758 |
|
|
|
| 759 |
|
|
return idstring;
|
| 760 |
|
|
}
|
| 761 |
|
|
|
| 762 |
|
|
MODULE_LICENSE("GPL");
|
