Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/drivers/video/console/tileblit.c -- Tile Blitting Operation |
| 3 | * |
| 4 | * Copyright (C) 2004 Antonino Daplas <adaplas @pol.net> |
| 5 | * |
| 6 | * This file is subject to the terms and conditions of the GNU General Public |
| 7 | * License. See the file COPYING in the main directory of this archive for |
| 8 | * more details. |
| 9 | */ |
| 10 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | #include <linux/module.h> |
| 12 | #include <linux/string.h> |
| 13 | #include <linux/fb.h> |
| 14 | #include <linux/vt_kern.h> |
| 15 | #include <linux/console.h> |
| 16 | #include <asm/types.h> |
| 17 | #include "fbcon.h" |
| 18 | |
| 19 | static void tile_bmove(struct vc_data *vc, struct fb_info *info, int sy, |
| 20 | int sx, int dy, int dx, int height, int width) |
| 21 | { |
| 22 | struct fb_tilearea area; |
| 23 | |
| 24 | area.sx = sx; |
| 25 | area.sy = sy; |
| 26 | area.dx = dx; |
| 27 | area.dy = dy; |
| 28 | area.height = height; |
| 29 | area.width = width; |
| 30 | |
| 31 | info->tileops->fb_tilecopy(info, &area); |
| 32 | } |
| 33 | |
| 34 | static void tile_clear(struct vc_data *vc, struct fb_info *info, int sy, |
| 35 | int sx, int height, int width) |
| 36 | { |
| 37 | struct fb_tilerect rect; |
| 38 | int bgshift = (vc->vc_hi_font_mask) ? 13 : 12; |
| 39 | int fgshift = (vc->vc_hi_font_mask) ? 9 : 8; |
| 40 | |
| 41 | rect.index = vc->vc_video_erase_char & |
| 42 | ((vc->vc_hi_font_mask) ? 0x1ff : 0xff); |
| 43 | rect.fg = attr_fgcol_ec(fgshift, vc); |
| 44 | rect.bg = attr_bgcol_ec(bgshift, vc); |
| 45 | rect.sx = sx; |
| 46 | rect.sy = sy; |
| 47 | rect.width = width; |
| 48 | rect.height = height; |
| 49 | rect.rop = ROP_COPY; |
| 50 | |
| 51 | info->tileops->fb_tilefill(info, &rect); |
| 52 | } |
| 53 | |
| 54 | static void tile_putcs(struct vc_data *vc, struct fb_info *info, |
| 55 | const unsigned short *s, int count, int yy, int xx, |
| 56 | int fg, int bg) |
| 57 | { |
| 58 | struct fb_tileblit blit; |
| 59 | unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff; |
| 60 | int size = sizeof(u32) * count, i; |
| 61 | |
| 62 | blit.sx = xx; |
| 63 | blit.sy = yy; |
| 64 | blit.width = count; |
| 65 | blit.height = 1; |
| 66 | blit.fg = fg; |
| 67 | blit.bg = bg; |
| 68 | blit.length = count; |
| 69 | blit.indices = (u32 *) fb_get_buffer_offset(info, &info->pixmap, size); |
| 70 | for (i = 0; i < count; i++) |
| 71 | blit.indices[i] = (u32)(scr_readw(s++) & charmask); |
| 72 | |
| 73 | info->tileops->fb_tileblit(info, &blit); |
| 74 | } |
| 75 | |
| 76 | static void tile_clear_margins(struct vc_data *vc, struct fb_info *info, |
| 77 | int bottom_only) |
| 78 | { |
| 79 | return; |
| 80 | } |
| 81 | |
Antonino A. Daplas | b73deed | 2006-01-09 20:52:56 -0800 | [diff] [blame] | 82 | static void tile_cursor(struct vc_data *vc, struct fb_info *info, int mode, |
| 83 | int softback_lines, int fg, int bg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | { |
| 85 | struct fb_tilecursor cursor; |
| 86 | int use_sw = (vc->vc_cursor_type & 0x01); |
| 87 | |
| 88 | cursor.sx = vc->vc_x; |
| 89 | cursor.sy = vc->vc_y; |
| 90 | cursor.mode = (mode == CM_ERASE || use_sw) ? 0 : 1; |
| 91 | cursor.fg = fg; |
| 92 | cursor.bg = bg; |
| 93 | |
| 94 | switch (vc->vc_cursor_type & 0x0f) { |
| 95 | case CUR_NONE: |
| 96 | cursor.shape = FB_TILE_CURSOR_NONE; |
| 97 | break; |
| 98 | case CUR_UNDERLINE: |
| 99 | cursor.shape = FB_TILE_CURSOR_UNDERLINE; |
| 100 | break; |
| 101 | case CUR_LOWER_THIRD: |
| 102 | cursor.shape = FB_TILE_CURSOR_LOWER_THIRD; |
| 103 | break; |
| 104 | case CUR_LOWER_HALF: |
| 105 | cursor.shape = FB_TILE_CURSOR_LOWER_HALF; |
| 106 | break; |
| 107 | case CUR_TWO_THIRDS: |
| 108 | cursor.shape = FB_TILE_CURSOR_TWO_THIRDS; |
| 109 | break; |
| 110 | case CUR_BLOCK: |
| 111 | default: |
| 112 | cursor.shape = FB_TILE_CURSOR_BLOCK; |
| 113 | break; |
| 114 | } |
| 115 | |
| 116 | info->tileops->fb_tilecursor(info, &cursor); |
| 117 | } |
| 118 | |
Antonino A. Daplas | e4fc276 | 2005-11-08 21:39:09 -0800 | [diff] [blame] | 119 | static int tile_update_start(struct fb_info *info) |
| 120 | { |
| 121 | struct fbcon_ops *ops = info->fbcon_par; |
| 122 | int err; |
| 123 | |
| 124 | err = fb_pan_display(info, &ops->var); |
| 125 | ops->var.xoffset = info->var.xoffset; |
| 126 | ops->var.yoffset = info->var.yoffset; |
| 127 | ops->var.vmode = info->var.vmode; |
| 128 | return err; |
| 129 | } |
| 130 | |
Antonino A. Daplas | b73deed | 2006-01-09 20:52:56 -0800 | [diff] [blame] | 131 | void fbcon_set_tileops(struct vc_data *vc, struct fb_info *info) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | { |
| 133 | struct fb_tilemap map; |
Antonino A. Daplas | b73deed | 2006-01-09 20:52:56 -0800 | [diff] [blame] | 134 | struct fbcon_ops *ops = info->fbcon_par; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | |
| 136 | ops->bmove = tile_bmove; |
| 137 | ops->clear = tile_clear; |
| 138 | ops->putcs = tile_putcs; |
| 139 | ops->clear_margins = tile_clear_margins; |
| 140 | ops->cursor = tile_cursor; |
Antonino A. Daplas | e4fc276 | 2005-11-08 21:39:09 -0800 | [diff] [blame] | 141 | ops->update_start = tile_update_start; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | |
Antonino A. Daplas | b73deed | 2006-01-09 20:52:56 -0800 | [diff] [blame] | 143 | if (ops->p) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | map.width = vc->vc_font.width; |
| 145 | map.height = vc->vc_font.height; |
| 146 | map.depth = 1; |
Antonino A. Daplas | b73deed | 2006-01-09 20:52:56 -0800 | [diff] [blame] | 147 | map.length = (ops->p->userfont) ? |
| 148 | FNTCHARCNT(ops->p->fontdata) : 256; |
| 149 | map.data = ops->p->fontdata; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | info->tileops->fb_settile(info, &map); |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | EXPORT_SYMBOL(fbcon_set_tileops); |
| 155 | |
| 156 | MODULE_AUTHOR("Antonino Daplas <adaplas@pol.net>"); |
| 157 | MODULE_DESCRIPTION("Tile Blitting Operation"); |
| 158 | MODULE_LICENSE("GPL"); |
| 159 | |