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Diffstat (limited to 'chips/xcfb_misc.c')
| -rw-r--r-- | chips/xcfb_misc.c | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/chips/xcfb_misc.c b/chips/xcfb_misc.c deleted file mode 100644 index e7a08c3..0000000 --- a/chips/xcfb_misc.c +++ /dev/null @@ -1,246 +0,0 @@ -/* - * Mach Operating System - * Copyright (c) 1991,1990,1989 Carnegie Mellon University - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie Mellon - * the rights to redistribute these changes. - */ -/* - * File: xcfb_misc.c - * Author: Alessandro Forin, Carnegie Mellon University - * Date: 1/92 - * - * Driver for the MAXine color framebuffer - * - */ - -#include <xcfb.h> -#if (NXCFB > 0) - -/* - * NOTE: This driver relies heavily on the pm one. - */ - -#include <device/device_types.h> - -#include <chips/screen_defs.h> - -#include <chips/xcfb_monitor.h> -#include <chips/pm_defs.h> -typedef pm_softc_t xcfb_softc_t; - -#include <chips/ims332.h> -#define ims332 cursor_registers - - -/* - * Initialize color map, for kernel use - */ -xcfb_init_colormap(sc) - screen_softc_t sc; -{ - xcfb_softc_t *xcfb = (xcfb_softc_t*)sc->hw_state; - user_info_t *up = sc->up; - color_map_t Bg_Fg[2]; - register int i; - - ims332_init_colormap( xcfb->ims332 ); - - /* init bg/fg colors */ - for (i = 0; i < 3; i++) { - up->dev_dep_2.pm.Bg_color[i] = 0x00; - up->dev_dep_2.pm.Fg_color[i] = 0xff; - } - - Bg_Fg[0].red = Bg_Fg[0].green = Bg_Fg[0].blue = 0x00; - Bg_Fg[1].red = Bg_Fg[1].green = Bg_Fg[1].blue = 0xff; - ims332_cursor_color( xcfb->ims332, Bg_Fg); -} - -/* - * Large viz small cursor - */ -xcfb_small_cursor_to_large(up, cursor) - user_info_t *up; - cursor_sprite_t cursor; -{ - unsigned short new_cursor[32]; - unsigned char *cursor_bytes; - char *sprite; - register int i; - - /* Clear out old cursor */ - bzero( up->dev_dep_2.pm.cursor_sprite, - sizeof(up->dev_dep_2.pm.cursor_sprite)); - - /* small cursor is 32x2 bytes, fg first */ - cursor_bytes = (unsigned char *) cursor; - - /* use the upper left corner of the large cursor - * as a 64x1 cursor, fg&bg alternated */ - for (i = 0; i < 32; i++) { - register short nc = 0; - register unsigned char fg, bg; - register int j, k; - - fg = cursor_bytes[i]; - bg = cursor_bytes[i + 32]; - bg &= ~fg; - for (j = 1, k = 0; j < 256; j <<= 1) { - nc |= (bg & j) << (k++); - nc |= (fg & j) << (k); - } - new_cursor[i] = nc; - } - - /* Now stick it in the proper place */ - - cursor_bytes = (unsigned char *) new_cursor; - sprite = up->dev_dep_2.pm.cursor_sprite; - for (i = 0; i < 64; i += 4) { - *sprite++ = cursor_bytes[i + 0]; - *sprite++ = cursor_bytes[i + 1]; - *sprite++ = cursor_bytes[i + 2]; - *sprite++ = cursor_bytes[i + 3]; - sprite += 12; /* skip rest of the line */ - } -} - - -/* - * Device-specific set status - */ -xcfb_set_status(sc, flavor, status, status_count) - screen_softc_t sc; - int flavor; - dev_status_t status; - unsigned int status_count; -{ - xcfb_softc_t *xcfb = (xcfb_softc_t*) sc->hw_state; - - switch (flavor) { - - case SCREEN_ADJ_MAPPED_INFO: - return pm_set_status(sc, flavor, status, status_count); - - case SCREEN_LOAD_CURSOR: - - if (status_count < sizeof(cursor_sprite_t)/sizeof(int)) - return D_INVALID_SIZE; - - xcfb_small_cursor_to_large(sc->up, (cursor_sprite_t*) status); - - /* Fall through */ - - case SCREEN_LOAD_CURSOR_LONG: /* 3max only */ - - sc->flags |= SCREEN_BEING_UPDATED; - ims332_cursor_sprite(xcfb->ims332, sc->up->dev_dep_2.pm.cursor_sprite); - sc->flags &= ~SCREEN_BEING_UPDATED; - - break; - - case SCREEN_SET_CURSOR_COLOR: { - color_map_t c[2]; - register cursor_color_t *cc = (cursor_color_t*) status; - - c[0].red = cc->Bg_rgb[0]; - c[0].green = cc->Bg_rgb[1]; - c[0].blue = cc->Bg_rgb[2]; - c[1].red = cc->Fg_rgb[0]; - c[1].green = cc->Fg_rgb[1]; - c[1].blue = cc->Fg_rgb[2]; - - sc->flags |= SCREEN_BEING_UPDATED; - ims332_cursor_color (xcfb->ims332, c ); - sc->flags &= ~SCREEN_BEING_UPDATED; - - break; - } - - case SCREEN_SET_CMAP_ENTRY: { - color_map_entry_t *e = (color_map_entry_t*) status; - - if (e->index < 256) { - sc->flags |= SCREEN_BEING_UPDATED; - ims332_load_colormap_entry( xcfb->ims332, e->index, &e->value); - sc->flags &= ~SCREEN_BEING_UPDATED; - } - break; - } - - default: - return D_INVALID_OPERATION; - } - return D_SUCCESS; -} - -/* - * Hardware initialization - */ -xcfb_init_screen(xcfb) - xcfb_softc_t *xcfb; -{ - extern xcfb_monitor_type_t xcfb_get_monitor_type(); - - ims332_init( xcfb->ims332, xcfb->vdac_registers, xcfb_get_monitor_type()); -} - -/* - * Do what's needed when X exits - */ -xcfb_soft_reset(sc) - screen_softc_t sc; -{ - xcfb_softc_t *xcfb = (xcfb_softc_t*) sc->hw_state; - user_info_t *up = sc->up; - extern cursor_sprite_t dc503_default_cursor; - - /* - * Restore params in mapped structure - */ - pm_init_screen_params(sc,up); - up->row = up->max_row - 1; - - up->dev_dep_2.pm.x26 = 2; /* you do not want to know */ - up->dev_dep_1.pm.x18 = (short*)2; - - /* - * Restore RAMDAC chip to default state - */ - xcfb_init_screen(xcfb); - - /* - * Load kernel's cursor sprite: just use the same pmax one - */ - xcfb_small_cursor_to_large(up, dc503_default_cursor); - ims332_cursor_sprite(xcfb->ims332, up->dev_dep_2.pm.cursor_sprite); - - /* - * Color map and cursor color - */ - xcfb_init_colormap(sc); -} - - - - -#endif (NXCFB > 0) |