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Diffstat (limited to 'chips/xcfb_hdw.c')
| -rw-r--r-- | chips/xcfb_hdw.c | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/chips/xcfb_hdw.c b/chips/xcfb_hdw.c deleted file mode 100644 index b2c67d6..0000000 --- a/chips/xcfb_hdw.c +++ /dev/null @@ -1,230 +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_hdw.c - * Author: Alessandro Forin, Carnegie Mellon University - * Date: 1/92 - * - * Driver for the MAXine Color Frame Buffer Display, - * hardware-level operations. - */ - -#include <xcfb.h> -#if (NXCFB > 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> -#include <machine/machspl.h> - -#ifdef MAXINE - -#include <chips/xcfb_monitor.h> - -#include <mips/PMAX/pmag_xine.h> -#include <mips/PMAX/tc.h> -#define enable_interrupt(s,o,x) (*tc_enable_interrupt)(s,o,x) - -#else /* MAXINE */ -You must say the magic words to get the coockies: -#define enable_interrupt(slot,on,xx) -#define IMS332_ADDRESS -#define VRAM_OFFSET -#define IMS332_RESET_ADDRESS -#endif /* MAXINE */ - -typedef pm_softc_t xcfb_softc_t; - - -/* - * Definition of the driver for the auto-configuration program. - */ - -int xcfb_probe(), xcfb_intr(); -static void xcfb_attach(); - -vm_offset_t xcfb_std[NXCFB] = { 0 }; -struct bus_device *xcfb_info[NXCFB]; -struct bus_driver xcfb_driver = - { xcfb_probe, 0, xcfb_attach, 0, xcfb_std, "xcfb", xcfb_info, - 0, 0, BUS_INTR_DISABLED}; - -/* - * Probe/Attach functions - */ - -xcfb_probe( /* reg, ui */) -{ - static probed_once = 0; - - /* - * Probing was really done sweeping the TC long ago - */ - if (tc_probe("xcfb") == 0) - return 0; - if (probed_once++ > 1) - printf("[mappable] "); - return 1; -} - -static void -xcfb_attach(ui) - struct bus_device *ui; -{ - /* ... */ - printf(": color display"); -} - - -/* - * Interrupt routine - */ - -xcfb_intr(unit,spllevel) - spl_t spllevel; -{ - /* interrupt has been acknowledge already */ -#if 0 - splx(spllevel); - /* XXX make it load the unsafe things */ -#endif -} - -xcfb_vretrace(xcfb, on) - xcfb_softc_t *xcfb; -{ - int i; - - for (i = 0; i < NXCFB; i++) - if (xcfb_info[i]->address == (vm_offset_t)xcfb->framebuffer) - break; - if (i == NXCFB) return; - - enable_interrupt(xcfb_info[i]->adaptor, on, 0); -} - -/* - * Boot time initialization: must make device - * usable as console asap. - */ - -/* some of these values are made up using ad hocery */ -static struct xcfb_monitor_type monitors[] = { - { "VRM17", 1024, 768, 1024, 1024, 16, 33, - 6, 2, 2, 21, 326, 16, 10, 10 }, - /* XXX Add VRC16 */ - { "VR262", 1024, 864, 1024, 1024, 16, 35, - 5, 3, 3, 37, 330, 16, 10, 10 }, - { "VR299", 1024, 864, 1024, 1024, 16, 35, - 5, 3, 3, 37, 330, 16, 10, 10 }, - { 0 }}; - -/* set from prom command line */ -extern unsigned char *monitor_types[4]; - -xcfb_monitor_type_t xcfb_get_monitor_type() -{ - xcfb_monitor_type_t m; - - m = monitors; - if (monitor_types[3]) - while (m->name) { - /* xcfb is always on the motherboard (slot 3), - fix if you need */ - if (!strcmp(monitor_types[3], m->name)) - break; - m++; - } - if (!m->name) /* the first is the default */ - m = monitors; - return m; -} - - -extern int - xcfb_soft_reset(), xcfb_set_status(), - ims332_pos_cursor(), ims332_video_on(), - ims332_video_off(), xcfb_vretrace(), - pm_get_status(), pm_char_paint(), - pm_insert_line(), pm_remove_line(), - pm_clear_bitmap(), pm_map_page(); - -static struct screen_switch xcfb_sw = { - screen_noop, /* graphic_open */ - xcfb_soft_reset, /* graphic_close */ - xcfb_set_status, /* set_status */ - pm_get_status, /* get_status */ - pm_char_paint, /* char_paint */ - ims332_pos_cursor, /* pos_cursor */ - pm_insert_line, /* insert_line */ - pm_remove_line, /* remove_line */ - pm_clear_bitmap, /* clear_bitmap */ - ims332_video_on, /* video_on */ - ims332_video_off, /* video_off */ - xcfb_vretrace, /* intr_enable */ - pm_map_page /* map_page */ -}; - -xcfb_cold_init(unit, up) - user_info_t *up; -{ - xcfb_softc_t *xcfb; - screen_softc_t sc = screen(unit); - int base = tc_probe("xcfb"); - xcfb_monitor_type_t m = xcfb_get_monitor_type(); - - bcopy(&xcfb_sw, &sc->sw, sizeof(sc->sw)); - - sc->flags |= COLOR_SCREEN; /* XXX should come from m->flags? */ - sc->frame_scanline_width = m->frame_scanline_width; - sc->frame_height = m->frame_height; - sc->frame_visible_width = m->frame_visible_width; - sc->frame_visible_height = m->frame_visible_height; - - pm_init_screen_params(sc, up); - (void) screen_up(unit, up); - - xcfb = pm_alloc(unit, IMS332_ADDRESS, base + VRAM_OFFSET, 0); - xcfb->vdac_registers = (char *)IMS332_RESET_ADDRESS; - - screen_default_colors(up); - - xcfb_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 (NXCFB > 0) |