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Diffstat (limited to 'chips/cfb_hdw.c')
| -rw-r--r-- | chips/cfb_hdw.c | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/chips/cfb_hdw.c b/chips/cfb_hdw.c deleted file mode 100644 index 78764aa..0000000 --- a/chips/cfb_hdw.c +++ /dev/null @@ -1,188 +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: cfb_hdw.c - * Author: Alessandro Forin, Carnegie Mellon University - * Date: 9/90 - * - * Driver for the 3max Color Frame Buffer Display, - * hardware-level operations. - */ - -#include <cfb.h> -#if (NCFB > 0) - -#include <platforms.h> - -#include <machine/machspl.h> -#include <mach/std_types.h> -#include <chips/busses.h> -#include <chips/screen_defs.h> -#include <chips/pm_defs.h> - -typedef pm_softc_t cfb_softc_t; - -#ifdef DECSTATION -#include <mips/PMAX/pmag_ba.h> -#include <mips/PMAX/tc.h> -#endif - -#ifdef FLAMINGO -#include <mips/PMAX/pmag_ba.h> /* XXX fixme */ -#include <alpha/DEC/tc.h> -#endif - -/* - * Definition of the driver for the auto-configuration program. - */ - -int cfb_probe(), cfb_intr(); -static void cfb_attach(); - -vm_offset_t cfb_std[NCFB] = { 0 }; -struct bus_device *cfb_info[NCFB]; -struct bus_driver cfb_driver = - { cfb_probe, 0, cfb_attach, 0, cfb_std, "cfb", cfb_info, - 0, 0, BUS_INTR_DISABLED}; - -/* - * Probe/Attach functions - */ - -cfb_probe( /* reg, ui */) -{ - static probed_once = 0; - - /* - * Probing was really done sweeping the TC long ago - */ - if (tc_probe("cfb") == 0) - return 0; - if (probed_once++ > 1) - printf("[mappable] "); - return 1; -} - -static void -cfb_attach(ui) - struct bus_device *ui; -{ - /* ... */ - printf(": color display"); -} - - -/* - * Interrupt routine - */ - -cfb_intr(unit,spllevel) - spl_t spllevel; -{ - register volatile char *ack; - - /* acknowledge interrupt */ - ack = (volatile char *) cfb_info[unit]->address + CFB_OFFSET_IREQ; - *ack = 0; - -#ifdef mips - splx(spllevel); -#endif - lk201_led(unit); -} - -cfb_vretrace(cfb, on) - cfb_softc_t *cfb; -{ - int i; - - for (i = 0; i < NCFB; i++) - if (cfb_info[i]->address == (vm_offset_t)cfb->framebuffer) - break; - if (i == NCFB) return; - - (*tc_enable_interrupt)(cfb_info[i]->adaptor, on, 0); -} - -/* - * Boot time initialization: must make device - * usable as console asap. - */ -extern int - cfb_soft_reset(), cfb_set_status(), - bt459_pos_cursor(), bt459_video_on(), - bt459_video_off(), cfb_vretrace(), - pm_get_status(), pm_char_paint(), - pm_insert_line(), pm_remove_line(), - pm_clear_bitmap(), pm_map_page(); - -static struct screen_switch cfb_sw = { - screen_noop, /* graphic_open */ - cfb_soft_reset, /* graphic_close */ - cfb_set_status, /* set_status */ - pm_get_status, /* get_status */ - pm_char_paint, /* char_paint */ - bt459_pos_cursor, /* pos_cursor */ - pm_insert_line, /* insert_line */ - pm_remove_line, /* remove_line */ - pm_clear_bitmap, /* clear_bitmap */ - bt459_video_on, /* video_on */ - bt459_video_off, /* video_off */ - cfb_vretrace, /* intr_enable */ - pm_map_page /* map_page */ -}; - -cfb_cold_init(unit, up) - user_info_t *up; -{ - cfb_softc_t *cfb; - screen_softc_t sc = screen(unit); - int base = tc_probe("cfb"); - - bcopy(&cfb_sw, &sc->sw, sizeof(sc->sw)); - sc->flags |= COLOR_SCREEN; - sc->frame_scanline_width = 1024; - sc->frame_height = 1024; - sc->frame_visible_width = 1024; - sc->frame_visible_height = 864; - - pm_init_screen_params(sc,up); - (void) screen_up(unit, up); - - cfb = pm_alloc(unit, base + CFB_OFFSET_BT459, base + CFB_OFFSET_VRAM, -1); - - screen_default_colors(up); - - cfb_soft_reset(sc); - - /* - * Clearing the screen at boot saves from scrolling - * much, and speeds up booting quite a bit. - */ - screen_blitc( unit, 'C'-'@');/* clear screen */ -} - -#endif (NCFB > 0) |