diff options
| -rw-r--r-- | Documentation/VGA-softcursor.txt | 12 | ||||
| -rw-r--r-- | drivers/video/console/vgacon.c | 49 |
2 files changed, 5 insertions, 56 deletions
diff --git a/Documentation/VGA-softcursor.txt b/Documentation/VGA-softcursor.txt index 70acfbf399eb..2ea8968b64a6 100644 --- a/Documentation/VGA-softcursor.txt +++ b/Documentation/VGA-softcursor.txt @@ -2,13 +2,11 @@ Software cursor for VGA by Pavel Machek <pavel@atrey.karlin.mff.cuni.cz> ======================= and Martin Mares <mj@atrey.karlin.mff.cuni.cz> Linux now has some ability to manipulate cursor appearance. Normally, you -can set the size of hardware cursor (and also work around some ugly bugs in -those miserable Trident cards--see #define TRIDENT_GLITCH in drivers/video/ -vgacon.c). You can now play a few new tricks: you can make your cursor look -like a non-blinking red block, make it inverse background of the character it's -over or to highlight that character and still choose whether the original -hardware cursor should remain visible or not. There may be other things I have -never thought of. +can set the size of hardware cursor. You can now play a few new tricks: you +can make your cursor look like a non-blinking red block, make it inverse +background of the character it's over or to highlight that character and still +choose whether the original hardware cursor should remain visible or not. +There may be other things I have never thought of. The cursor appearance is controlled by a "<ESC>[?1;2;3c" escape sequence where 1, 2 and 3 are parameters described below. If you omit any of them, diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index d13d5d372604..c22a56232b7c 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -60,15 +60,6 @@ static struct vgastate vgastate; #define BLANK 0x0020 -#define CAN_LOAD_EGA_FONTS /* undefine if the user must not do this */ -#define CAN_LOAD_PALETTE /* undefine if the user must not do this */ - -/* You really do _NOT_ want to define this, unless you have buggy - * Trident VGA which will resize cursor when moving it between column - * 15 & 16. If you define this and your VGA is OK, inverse bug will - * appear. - */ -#undef TRIDENT_GLITCH #define VGA_FONTWIDTH 8 /* VGA does not support fontwidths != 8 */ /* * Interface used by the world @@ -157,18 +148,10 @@ static inline void write_vga(unsigned char reg, unsigned int val) * handlers, thus the write has to be IRQ-atomic. */ raw_spin_lock_irqsave(&vga_lock, flags); - -#ifndef SLOW_VGA v1 = reg + (val & 0xff00); v2 = reg + 1 + ((val << 8) & 0xff00); outw(v1, vga_video_port_reg); outw(v2, vga_video_port_reg); -#else - outb_p(reg, vga_video_port_reg); - outb_p(val >> 8, vga_video_port_val); - outb_p(reg + 1, vga_video_port_reg); - outb_p(val & 0xff, vga_video_port_val); -#endif raw_spin_unlock_irqrestore(&vga_lock, flags); } @@ -426,18 +409,6 @@ static const char *vgacon_startup(void) request_resource(&ioport_resource, &vga_console_resource); -#ifdef VGA_CAN_DO_64KB - /* - * get 64K rather than 32K of video RAM. - * This doesn't actually work on all "VGA" - * controllers (it seems like setting MM=01 - * and COE=1 isn't necessarily a good idea) - */ - vga_vram_base = 0xa0000; - vga_vram_size = 0x10000; - outb_p(6, VGA_GFX_I); - outb_p(6, VGA_GFX_D); -#endif /* * Normalise the palette registers, to point * the 16 screen colours to the first 16 @@ -627,11 +598,6 @@ static void vgacon_set_cursor_size(int xpos, int from, int to) unsigned long flags; int curs, cure; -#ifdef TRIDENT_GLITCH - if (xpos < 16) - from--, to--; -#endif - if ((from == cursor_size_lastfrom) && (to == cursor_size_lastto)) return; cursor_size_lastfrom = from; @@ -833,12 +799,10 @@ static void vga_set_palette(struct vc_data *vc, const unsigned char *table) static void vgacon_set_palette(struct vc_data *vc, const unsigned char *table) { -#ifdef CAN_LOAD_PALETTE if (vga_video_type != VIDEO_TYPE_VGAC || vga_palette_blanked || !con_is_visible(vc)) return; vga_set_palette(vc, table); -#endif } /* structure holding original VGA register settings */ @@ -1021,8 +985,6 @@ static int vgacon_blank(struct vc_data *c, int blank, int mode_switch) * (sizif@botik.yaroslavl.su). */ -#ifdef CAN_LOAD_EGA_FONTS - #define colourmap 0xa0000 /* Pauline Middelink <middelin@polyware.iaf.nl> reports that we should use 0xA0000 for the bwmap as well.. */ @@ -1039,10 +1001,6 @@ static int vgacon_do_font_op(struct vgastate *state, char *arg, int set, if (vga_video_type != VIDEO_TYPE_EGAM) { charmap = (char *) VGA_MAP_MEM(colourmap, 0); beg = 0x0e; -#ifdef VGA_CAN_DO_64KB - if (vga_video_type == VIDEO_TYPE_VGAC) - beg = 0x06; -#endif } else { charmap = (char *) VGA_MAP_MEM(blackwmap, 0); beg = 0x0a; @@ -1271,13 +1229,6 @@ static int vgacon_font_get(struct vc_data *c, struct console_font *font) return vgacon_do_font_op(&vgastate, font->data, 0, vga_512_chars); } -#else - -#define vgacon_font_set NULL -#define vgacon_font_get NULL - -#endif - static int vgacon_resize(struct vc_data *c, unsigned int width, unsigned int height, unsigned int user) { |