2 * linux/drivers/video/S3Triofb.c -- Open Firmware based frame buffer device
4 * Copyright (C) 1997 Peter De Schrijver
6 * This driver is partly based on the PowerMac console driver:
8 * Copyright (C) 1996 Paul Mackerras
10 * and on the Open Firmware based frame buffer device:
12 * Copyright (C) 1997 Geert Uytterhoeven
14 * This file is subject to the terms and conditions of the GNU General Public
15 * License. See the file COPYING in the main directory of this archive for
20 Bugs : + This driver should be merged with the CyberVision driver. The
21 CyberVision is a Zorro III implementation of the S3Trio64 chip.
25 #include <linux/config.h>
26 #include <linux/kernel.h>
27 #include <linux/module.h>
28 #include <linux/errno.h>
29 #include <linux/string.h>
31 #include <linux/tty.h>
32 #include <linux/slab.h>
33 #include <linux/vmalloc.h>
34 #include <linux/delay.h>
35 #include <linux/interrupt.h>
37 #include <linux/init.h>
38 #include <linux/selection.h>
39 #include <linux/pci.h>
40 #ifdef CONFIG_FB_COMPAT_XPMAC
41 #include <asm/vc_ioctl.h>
44 #include <video/fbcon.h>
45 #include <video/fbcon-cfb8.h>
46 #include <video/s3blit.h>
49 #define mem_in8(addr) in_8((void *)(addr))
50 #define mem_in16(addr) in_le16((void *)(addr))
51 #define mem_in32(addr) in_le32((void *)(addr))
53 #define mem_out8(val, addr) out_8((void *)(addr), val)
54 #define mem_out16(val, addr) out_le16((void *)(addr), val)
55 #define mem_out32(val, addr) out_le32((void *)(addr), val)
57 #define IO_OUT16VAL(v, r) (((v) << 8) | (r))
60 static int currcon = 0;
62 static struct display disp;
63 static struct fb_info fb_info;
64 static struct { u_char red, green, blue, pad; } palette[256];
65 static char s3trio_name[16] = "S3Trio ";
66 static char *s3trio_base;
68 static struct fb_fix_screeninfo fb_fix;
69 static struct fb_var_screeninfo S3triofb_default_var = {
70 640, 480, 640, 480, 0, 0, 8, 0,
71 {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
72 0, 0, -1, FB_ACCELF_TEXT, 39722, 40, 24, 32, 11, 96, 2,
73 FB_SYNC_COMP_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
74 FB_VMODE_NONINTERLACED
76 static struct fb_var_screeninfo fb_var = { 0,};
79 * Interface used by the world
82 static void __init s3triofb_pci_init(struct pci_dev *dp);
83 static int s3trio_get_fix(struct fb_fix_screeninfo *fix, int con,
84 struct fb_info *info);
85 static int s3trio_get_var(struct fb_var_screeninfo *var, int con,
86 struct fb_info *info);
87 static int s3trio_set_var(struct fb_var_screeninfo *var, int con,
88 struct fb_info *info);
89 static int s3trio_get_cmap(struct fb_cmap *cmap, int kspc, int con,
90 struct fb_info *info);
91 static int s3trio_set_cmap(struct fb_cmap *cmap, int kspc, int con,
92 struct fb_info *info);
93 static int s3trio_pan_display(struct fb_var_screeninfo *var, int con,
94 struct fb_info *info);
98 * Interface to the low level console driver
101 int s3triofb_init(void);
102 static int s3triofbcon_switch(int con, struct fb_info *info);
103 static int s3triofbcon_updatevar(int con, struct fb_info *info);
104 static void s3triofbcon_blank(int blank, struct fb_info *info);
106 static int s3triofbcon_setcmap(struct fb_cmap *cmap, int con);
110 * Text console acceleration
113 #ifdef FBCON_HAS_CFB8
114 static struct display_switch fbcon_trio8;
118 * Accelerated Functions used by the low level console driver
121 static void Trio_WaitQueue(u_short fifo);
122 static void Trio_WaitBlit(void);
123 static void Trio_BitBLT(u_short curx, u_short cury, u_short destx,
124 u_short desty, u_short width, u_short height,
126 static void Trio_RectFill(u_short x, u_short y, u_short width, u_short height,
127 u_short mode, u_short color);
128 static void Trio_MoveCursor(u_short x, u_short y);
135 static int s3trio_getcolreg(u_int regno, u_int *red, u_int *green, u_int *blue,
136 u_int *transp, struct fb_info *info);
137 static int s3trio_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
138 u_int transp, struct fb_info *info);
139 static void do_install_cmap(int con, struct fb_info *info);
142 static struct fb_ops s3trio_ops = {
144 fb_get_fix: s3trio_get_fix,
145 fb_get_var: s3trio_get_var,
146 fb_set_var: s3trio_set_var,
147 fb_get_cmap: s3trio_get_cmap,
148 fb_set_cmap: s3trio_set_cmap,
149 fb_pan_display: s3trio_pan_display,
153 * Get the Fixed Part of the Display
156 static int s3trio_get_fix(struct fb_fix_screeninfo *fix, int con,
157 struct fb_info *info)
159 memcpy(fix, &fb_fix, sizeof(fb_fix));
165 * Get the User Defined Part of the Display
168 static int s3trio_get_var(struct fb_var_screeninfo *var, int con,
169 struct fb_info *info)
171 memcpy(var, &fb_var, sizeof(fb_var));
177 * Set the User Defined Part of the Display
180 static int s3trio_set_var(struct fb_var_screeninfo *var, int con,
181 struct fb_info *info)
183 if (var->xres > fb_var.xres || var->yres > fb_var.yres ||
184 var->bits_per_pixel > fb_var.bits_per_pixel )
185 /* || var->nonstd || var->vmode != FB_VMODE_NONINTERLACED) */
187 if (var->xres_virtual > fb_var.xres_virtual) {
188 outw(IO_OUT16VAL((var->xres_virtual /8) & 0xff, 0x13), 0x3d4);
189 outw(IO_OUT16VAL(((var->xres_virtual /8 ) & 0x300) >> 3, 0x51), 0x3d4);
190 fb_var.xres_virtual = var->xres_virtual;
191 fb_fix.line_length = var->xres_virtual;
193 fb_var.yres_virtual = var->yres_virtual;
194 memcpy(var, &fb_var, sizeof(fb_var));
200 * Pan or Wrap the Display
202 * This call looks only at xoffset, yoffset and the FB_VMODE_YWRAP flag
205 static int s3trio_pan_display(struct fb_var_screeninfo *var, int con,
206 struct fb_info *info)
210 if (var->xoffset > (var->xres_virtual - var->xres))
212 if (var->yoffset > (var->yres_virtual - var->yres))
215 fb_var.xoffset = var->xoffset;
216 fb_var.yoffset = var->yoffset;
218 base = var->yoffset * fb_fix.line_length + var->xoffset;
220 outw(IO_OUT16VAL((base >> 8) & 0xff, 0x0c),0x03D4);
221 outw(IO_OUT16VAL(base & 0xff, 0x0d),0x03D4);
222 outw(IO_OUT16VAL((base >> 16) & 0xf, 0x69),0x03D4);
231 static int s3trio_get_cmap(struct fb_cmap *cmap, int kspc, int con,
232 struct fb_info *info)
234 if (con == currcon) /* current console? */
235 return fb_get_cmap(cmap, kspc, s3trio_getcolreg, info);
236 else if (fb_display[con].cmap.len) /* non default colormap? */
237 fb_copy_cmap(&fb_display[con].cmap, cmap, kspc ? 0 : 2);
239 fb_copy_cmap(fb_default_cmap(1 << fb_display[con].var.bits_per_pixel),
248 static int s3trio_set_cmap(struct fb_cmap *cmap, int kspc, int con,
249 struct fb_info *info)
254 if (!fb_display[con].cmap.len) { /* no colormap allocated? */
255 if ((err = fb_alloc_cmap(&fb_display[con].cmap,
256 1<<fb_display[con].var.bits_per_pixel, 0)))
259 if (con == currcon) /* current console? */
260 return fb_set_cmap(cmap, kspc, s3trio_setcolreg, info);
262 fb_copy_cmap(cmap, &fb_display[con].cmap, kspc ? 0 : 1);
266 int __init s3triofb_setup(char *options) {
269 if (!options || !*options)
272 while ((this_opt = strsep(&options, ",")) != NULL) {
276 if (!strcmp(this_opt, "disabled"))
282 int __init s3triofb_init(void)
284 struct pci_dev *dp = NULL;
289 dp = pci_find_device(PCI_VENDOR_ID_S3, PCI_DEVICE_ID_S3_TRIO, dp);
290 if ((dp != 0) && ((dp->class >> 16) == PCI_BASE_CLASS_DISPLAY)) {
291 s3triofb_pci_init(dp);
297 static void __exit s3triofb_exit(void)
299 unregister_framebuffer(&fb_info);
300 iounmap(s3trio_base);
301 /* XXX unshare VGA regions */
304 void __init s3trio_resetaccel(void){
307 #define EC01_ENH_ENB 0x0005
308 #define EC01_LAW_ENB 0x0010
309 #define EC01_MMIO_ENB 0x0020
311 #define EC00_RESET 0x8000
312 #define EC00_ENABLE 0x4000
313 #define MF_MULT_MISC 0xE000
314 #define SRC_FOREGROUND 0x0020
315 #define SRC_BACKGROUND 0x0000
316 #define MIX_SRC 0x0007
317 #define MF_T_CLIP 0x1000
318 #define MF_L_CLIP 0x2000
319 #define MF_B_CLIP 0x3000
320 #define MF_R_CLIP 0x4000
321 #define MF_PIX_CONTROL 0xA000
322 #define MFA_SRC_FOREGR_MIX 0x0000
323 #define MF_PIX_CONTROL 0xA000
325 outw(EC00_RESET, 0x42e8);
327 outw(EC00_ENABLE, 0x42e8);
329 outw(EC01_ENH_ENB | EC01_LAW_ENB,
331 outw(MF_MULT_MISC, 0xbee8); /* 16 bit I/O registers */
333 /* Now set some basic accelerator registers */
334 Trio_WaitQueue(0x0400);
335 outw(SRC_FOREGROUND | MIX_SRC, 0xbae8);
336 outw(SRC_BACKGROUND | MIX_SRC, 0xb6e8);/* direct color*/
337 outw(MF_T_CLIP | 0, 0xbee8 ); /* clip virtual area */
338 outw(MF_L_CLIP | 0, 0xbee8 );
339 outw(MF_R_CLIP | (640 - 1), 0xbee8);
340 outw(MF_B_CLIP | (480 - 1), 0xbee8);
341 Trio_WaitQueue(0x0400);
342 outw(0xffff, 0xaae8); /* Enable all planes */
343 outw(0xffff, 0xaae8); /* Enable all planes */
344 outw( MF_PIX_CONTROL | MFA_SRC_FOREGR_MIX, 0xbee8);
347 int __init s3trio_init(struct pci_dev *dp)
351 outb(inb(0x03CC) | 1, 0x3c2);
352 outw(IO_OUT16VAL(0x48, 0x38),0x03D4);
353 outw(IO_OUT16VAL(0xA0, 0x39),0x03D4);
355 outw(IO_OUT16VAL((inb(0x3d5) & ~(0x2 | 0x10 | 0x40)) |
358 outw(IO_OUT16VAL(0x6, 0x8), 0x3c4);
359 printk("S3trio: unlocked s3\n");
361 /* switch to MMIO only mode */
363 outw(IO_OUT16VAL(inb(0x3d5) | 3 | 0x10, 0x58), 0x3d4);
364 outw(IO_OUT16VAL(8, 0x53), 0x3d4);
365 printk("S3trio: switched to mmio only mode\n");
375 static void __init s3triofb_pci_init(struct pci_dev *dp)
378 unsigned long address, size;
382 strcpy(fb_fix.id, s3trio_name);
384 fb_var = S3triofb_default_var;
385 fb_fix.line_length = fb_var.xres_virtual;
386 fb_fix.smem_len = fb_fix.line_length*fb_var.yres;
388 /* This driver cannot cope if the firmware has not initialised the
389 * device. So, if the device isn't enabled we simply return
391 pci_read_config_word(dp, PCI_COMMAND, &cmd);
392 if (!(cmd & PCI_COMMAND_MEMORY)) {
393 printk(KERN_NOTICE "S3trio: card was not initialised by firmware\n");
397 /* Enable it anyway */
398 if (pci_enable_device(dp)) {
399 printk(KERN_ERR "S3trio: failed to enable PCI device\n");
403 /* There is only one memory region and it covers the mmio and fb areas */
404 address = pci_resource_start(dp, 0);
405 size = pci_resource_len(dp, 0); /* size = 64*1024*1024; */
406 if (!request_mem_region(address, size, "S3triofb")) {
407 printk("S3trio: failed to allocate memory region\n");
412 s3trio_base = ioremap(address, size);
413 fb_fix.smem_start = address;
414 fb_fix.type = FB_TYPE_PACKED_PIXELS;
416 fb_fix.accel = FB_ACCEL_S3_TRIO64;
417 fb_fix.mmio_start = address+0x1000000;
418 fb_fix.mmio_len = 0x1000000;
425 mem_out8(0x30, s3trio_base+0x1008000 + 0x03D4);
426 mem_out8(0x2d, s3trio_base+0x1008000 + 0x03D4);
427 mem_out8(0x2e, s3trio_base+0x1008000 + 0x03D4);
429 mem_out8(0x50, s3trio_base+0x1008000 + 0x03D4);
431 /* disable HW cursor */
433 mem_out8(0x39, s3trio_base+0x1008000 + 0x03D4);
434 mem_out8(0xa0, s3trio_base+0x1008000 + 0x03D5);
436 mem_out8(0x45, s3trio_base+0x1008000 + 0x03D4);
437 mem_out8(0, s3trio_base+0x1008000 + 0x03D5);
439 mem_out8(0x4e, s3trio_base+0x1008000 + 0x03D4);
440 mem_out8(0, s3trio_base+0x1008000 + 0x03D5);
442 mem_out8(0x4f, s3trio_base+0x1008000 + 0x03D4);
443 mem_out8(0, s3trio_base+0x1008000 + 0x03D5);
447 CursorBase = (u_long *)(s3trio_base + 2*1024*1024 - 0x400);
448 for (i = 0; i < 8; i++) {
449 *(CursorBase +(i*4)) = 0xffffff00;
450 *(CursorBase+1+(i*4)) = 0xffff0000;
451 *(CursorBase+2+(i*4)) = 0xffff0000;
452 *(CursorBase+3+(i*4)) = 0xffff0000;
454 for (i = 8; i < 64; i++) {
455 *(CursorBase +(i*4)) = 0xffff0000;
456 *(CursorBase+1+(i*4)) = 0xffff0000;
457 *(CursorBase+2+(i*4)) = 0xffff0000;
458 *(CursorBase+3+(i*4)) = 0xffff0000;
462 mem_out8(0x4c, s3trio_base+0x1008000 + 0x03D4);
463 mem_out8(((2*1024 - 1)&0xf00)>>8, s3trio_base+0x1008000 + 0x03D5);
465 mem_out8(0x4d, s3trio_base+0x1008000 + 0x03D4);
466 mem_out8((2*1024 - 1) & 0xff, s3trio_base+0x1008000 + 0x03D5);
468 mem_out8(0x45, s3trio_base+0x1008000 + 0x03D4);
469 mem_in8(s3trio_base+0x1008000 + 0x03D4);
471 mem_out8(0x4a, s3trio_base+0x1008000 + 0x03D4);
472 mem_out8(0x80, s3trio_base+0x1008000 + 0x03D5);
473 mem_out8(0x80, s3trio_base+0x1008000 + 0x03D5);
474 mem_out8(0x80, s3trio_base+0x1008000 + 0x03D5);
476 mem_out8(0x4b, s3trio_base+0x1008000 + 0x03D4);
477 mem_out8(0x00, s3trio_base+0x1008000 + 0x03D5);
478 mem_out8(0x00, s3trio_base+0x1008000 + 0x03D5);
479 mem_out8(0x00, s3trio_base+0x1008000 + 0x03D5);
481 mem_out8(0x45, s3trio_base+0x1008000 + 0x03D4);
482 mem_out8(0, s3trio_base+0x1008000 + 0x03D5);
484 /* setup default color table */
486 for(i = 0; i < 16; i++) {
487 int j = color_table[i];
488 palette[i].red=default_red[j];
489 palette[i].green=default_grn[j];
490 palette[i].blue=default_blu[j];
493 s3trio_setcolreg(255, 56, 100, 160, 0, NULL /* not used */);
494 s3trio_setcolreg(254, 0, 0, 0, 0, NULL /* not used */);
495 memset((char *)s3trio_base, 0, 640*480);
498 Trio_RectFill(0, 0, 90, 90, 7, 1);
501 fb_fix.visual = FB_VISUAL_PSEUDOCOLOR ;
502 fb_var.xoffset = fb_var.yoffset = 0;
503 fb_var.bits_per_pixel = 8;
504 fb_var.grayscale = 0;
505 fb_var.red.offset = fb_var.green.offset = fb_var.blue.offset = 0;
506 fb_var.red.length = fb_var.green.length = fb_var.blue.length = 8;
507 fb_var.red.msb_right = fb_var.green.msb_right = fb_var.blue.msb_right = 0;
508 fb_var.transp.offset = fb_var.transp.length = fb_var.transp.msb_right = 0;
511 fb_var.height = fb_var.width = -1;
512 fb_var.accel_flags = FB_ACCELF_TEXT;
513 #warning FIXME: always obey fb_var.accel_flags
515 fb_var.left_margin = fb_var.right_margin = 0;
516 fb_var.upper_margin = fb_var.lower_margin = 0;
517 fb_var.hsync_len = fb_var.vsync_len = 0;
519 fb_var.vmode = FB_VMODE_NONINTERLACED;
524 disp.cmap.red = disp.cmap.green = disp.cmap.blue = disp.cmap.transp = NULL;
525 disp.screen_base = s3trio_base;
526 disp.visual = fb_fix.visual;
527 disp.type = fb_fix.type;
528 disp.type_aux = fb_fix.type_aux;
531 disp.line_length = fb_fix.line_length;
532 disp.can_soft_blank = 1;
534 #ifdef FBCON_HAS_CFB8
535 if (fb_var.accel_flags & FB_ACCELF_TEXT)
536 disp.dispsw = &fbcon_trio8;
538 disp.dispsw = &fbcon_cfb8;
540 disp.dispsw = &fbcon_dummy;
542 disp.scrollmode = fb_var.accel_flags & FB_ACCELF_TEXT ? 0 : SCROLL_YREDRAW;
544 strcpy(fb_info.modename, "Trio64");
546 fb_info.fbops = &s3trio_ops;
548 fb_info.fbvar_num = 1;
549 fb_info.fbvar = &fb_var;
551 fb_info.disp = &disp;
552 fb_info.fontname[0] = '\0';
553 fb_info.changevar = NULL;
554 fb_info.switch_con = &s3triofbcon_switch;
555 fb_info.updatevar = &s3triofbcon_updatevar;
556 fb_info.blank = &s3triofbcon_blank;
558 fb_info.setcmap = &s3triofbcon_setcmap;
561 #ifdef CONFIG_FB_COMPAT_XPMAC
562 if (!console_fb_info) {
563 display_info.height = fb_var.yres;
564 display_info.width = fb_var.xres;
565 display_info.depth = 8;
566 display_info.pitch = fb_fix.line_length;
567 display_info.mode = 0;
568 strncpy(display_info.name, dp->name, sizeof(display_info.name));
569 display_info.fb_address = (unsigned long)fb_fix.smem_start;
570 display_info.disp_reg_address = address + 0x1008000;
571 display_info.cmap_adr_address = address + 0x1008000 + 0x3c8;
572 display_info.cmap_data_address = address + 0x1008000 + 0x3c9;
573 console_fb_info = &fb_info;
575 #endif /* CONFIG_FB_COMPAT_XPMAC) */
577 fb_info.flags = FBINFO_FLAG_DEFAULT;
578 if (register_framebuffer(&fb_info) < 0)
581 printk("fb%d: S3 Trio frame buffer device on %s\n",
582 GET_FB_IDX(fb_info.node), dp->name);
586 static int s3triofbcon_switch(int con, struct fb_info *info)
588 /* Do we have to save the colormap? */
589 if (fb_display[currcon].cmap.len)
590 fb_get_cmap(&fb_display[currcon].cmap, 1, s3trio_getcolreg, info);
593 /* Install new colormap */
594 do_install_cmap(con,info);
599 * Update the `var' structure (called by fbcon.c)
602 static int s3triofbcon_updatevar(int con, struct fb_info *info)
612 static void s3triofbcon_blank(int blank, struct fb_info *info)
616 mem_out8(0x1, s3trio_base+0x1008000 + 0x03c4);
617 x = mem_in8(s3trio_base+0x1008000 + 0x03c5);
618 mem_out8((x & (~0x20)) | (blank << 5), s3trio_base+0x1008000 + 0x03c5);
626 static int s3triofbcon_setcmap(struct fb_cmap *cmap, int con)
628 return(s3trio_set_cmap(cmap, 1, con, &fb_info));
634 * Read a single color register and split it into
635 * colors/transparent. Return != 0 for invalid regno.
638 static int s3trio_getcolreg(u_int regno, u_int *red, u_int *green, u_int *blue,
639 u_int *transp, struct fb_info *info)
643 *red = (palette[regno].red << 8) | palette[regno].red;
644 *green = (palette[regno].green << 8) | palette[regno].green;
645 *blue = (palette[regno].blue << 8) | palette[regno].blue;
652 * Set a single color register. Return != 0 for invalid regno.
655 static int s3trio_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
656 u_int transp, struct fb_info *info)
664 palette[regno].red = red;
665 palette[regno].green = green;
666 palette[regno].blue = blue;
668 mem_out8(regno,s3trio_base+0x1008000 + 0x3c8);
669 mem_out8((red & 0xff) >> 2,s3trio_base+0x1008000 + 0x3c9);
670 mem_out8((green & 0xff) >> 2,s3trio_base+0x1008000 + 0x3c9);
671 mem_out8((blue & 0xff) >> 2,s3trio_base+0x1008000 + 0x3c9);
677 static void do_install_cmap(int con, struct fb_info *info)
681 if (fb_display[con].cmap.len)
682 fb_set_cmap(&fb_display[con].cmap, 1, s3trio_setcolreg, &fb_info);
684 fb_set_cmap(fb_default_cmap(fb_display[con].var.bits_per_pixel), 1,
685 s3trio_setcolreg, &fb_info);
688 static void Trio_WaitQueue(u_short fifo) {
694 status = mem_in16(s3trio_base + 0x1000000 + 0x9AE8);
695 } while (!(status & fifo));
699 static void Trio_WaitBlit(void) {
705 status = mem_in16(s3trio_base + 0x1000000 + 0x9AE8);
706 } while (status & 0x200);
710 static void Trio_BitBLT(u_short curx, u_short cury, u_short destx,
711 u_short desty, u_short width, u_short height,
714 u_short blitcmd = 0xc011;
716 /* Set drawing direction */
717 /* -Y, X maj, -X (default) */
720 blitcmd |= 0x0020; /* Drawing direction +X */
723 destx += (width - 1);
727 blitcmd |= 0x0080; /* Drawing direction +Y */
729 cury += (height - 1);
730 desty += (height - 1);
733 Trio_WaitQueue(0x0400);
735 outw(0xa000, 0xBEE8);
736 outw(0x60 | mode, 0xBAE8);
744 outw(height - 1, 0xBEE8);
745 outw(width - 1, 0x96E8);
747 outw(blitcmd, 0x9AE8);
751 static void Trio_RectFill(u_short x, u_short y, u_short width, u_short height,
752 u_short mode, u_short color) {
754 u_short blitcmd = 0x40b1;
756 Trio_WaitQueue(0x0400);
758 outw(0xa000, 0xBEE8);
759 outw((0x20 | mode), 0xBAE8);
760 outw(0xe000, 0xBEE8);
764 outw((height - 1), 0xBEE8);
765 outw((width - 1), 0x96E8);
766 outw(blitcmd, 0x9AE8);
771 static void Trio_MoveCursor(u_short x, u_short y) {
773 mem_out8(0x39, s3trio_base + 0x1008000 + 0x3d4);
774 mem_out8(0xa0, s3trio_base + 0x1008000 + 0x3d5);
776 mem_out8(0x46, s3trio_base + 0x1008000 + 0x3d4);
777 mem_out8((x & 0x0700) >> 8, s3trio_base + 0x1008000 + 0x3d5);
778 mem_out8(0x47, s3trio_base + 0x1008000 + 0x3d4);
779 mem_out8(x & 0x00ff, s3trio_base + 0x1008000 + 0x3d5);
781 mem_out8(0x48, s3trio_base + 0x1008000 + 0x3d4);
782 mem_out8((y & 0x0700) >> 8, s3trio_base + 0x1008000 + 0x3d5);
783 mem_out8(0x49, s3trio_base + 0x1008000 + 0x3d4);
784 mem_out8(y & 0x00ff, s3trio_base + 0x1008000 + 0x3d5);
790 * Text console acceleration
793 #ifdef FBCON_HAS_CFB8
794 static void fbcon_trio8_bmove(struct display *p, int sy, int sx, int dy,
795 int dx, int height, int width)
797 sx *= 8; dx *= 8; width *= 8;
798 Trio_BitBLT((u_short)sx, (u_short)(sy*fontheight(p)), (u_short)dx,
799 (u_short)(dy*fontheight(p)), (u_short)width,
800 (u_short)(height*fontheight(p)), (u_short)S3_NEW);
803 static void fbcon_trio8_clear(struct vc_data *conp, struct display *p, int sy,
804 int sx, int height, int width)
809 bg = attr_bgcol_ec(p,conp);
810 Trio_RectFill((u_short)sx,
811 (u_short)(sy*fontheight(p)),
813 (u_short)(height*fontheight(p)),
818 static void fbcon_trio8_putc(struct vc_data *conp, struct display *p, int c,
822 fbcon_cfb8_putc(conp, p, c, yy, xx);
825 static void fbcon_trio8_putcs(struct vc_data *conp, struct display *p,
826 const unsigned short *s, int count, int yy, int xx)
829 fbcon_cfb8_putcs(conp, p, s, count, yy, xx);
832 static void fbcon_trio8_revc(struct display *p, int xx, int yy)
835 fbcon_cfb8_revc(p, xx, yy);
838 static struct display_switch fbcon_trio8 = {
839 setup: fbcon_cfb8_setup,
840 bmove: fbcon_trio8_bmove,
841 clear: fbcon_trio8_clear,
842 putc: fbcon_trio8_putc,
843 putcs: fbcon_trio8_putcs,
844 revc: fbcon_trio8_revc,
845 clear_margins: fbcon_cfb8_clear_margins,
846 fontwidthmask: FONTWIDTH(8)
851 module_init(s3triofb_init);
852 MODULE_LICENSE("GPL");
854 module_exit(s3triofb_exit);