diff options
author | Thomas Schwinge <tschwinge@gnu.org> | 2006-02-20 20:44:33 +0000 |
---|---|---|
committer | Thomas Schwinge <tschwinge@gnu.org> | 2009-06-18 00:26:34 +0200 |
commit | 2486c56afd5ac4392aa95f0e478978331d1c15d6 (patch) | |
tree | e3c5e8c5252d5e110208d7fc6dbfad1c3b1e802f /chips/ims332.c | |
parent | 2a50c925882fe2d6535f130401eb6d4a4feb3e93 (diff) |
2006-02-20 Thomas Schwinge <tschwinge@gnu.org>
Remove unused and unsupported code. Consult the file
`DEVELOPMENT' for details. Partly based on suggestions by
Gianluca Guida <glguida@gmail.com>.
* chips/atm.c: Remove file.
* chips/atmreg.h: Likewise.
* chips/audio.c: Likewise.
* chips/audio_config.h: Likewise.
* chips/audio_defs.h: Likewise.
* chips/bt431.c: Likewise.
* chips/bt431.h: Likewise.
* chips/bt455.c: Likewise.
* chips/bt455.h: Likewise.
* chips/bt459.c: Likewise.
* chips/bt459.h: Likewise.
* chips/bt478.c: Likewise.
* chips/bt478.h: Likewise.
* chips/build_font.c: Likewise.
* chips/cfb_hdw.c: Likewise.
* chips/cfb_misc.c: Likewise.
* chips/dc503.c: Likewise.
* chips/dc503.h: Likewise.
* chips/dtop.h: Likewise.
* chips/dtop_handlers.c: Likewise.
* chips/dtop_hdw.c: Likewise.
* chips/dz_7085.h: Likewise.
* chips/dz_defs.h: Likewise.
* chips/dz_hdw.c: Likewise.
* chips/eccreg.h: Likewise.
* chips/fb_hdw.c: Likewise.
* chips/fb_misc.c: Likewise.
* chips/fdc_82077.h: Likewise.
* chips/fdc_82077_hdw.c: Likewise.
* chips/frc.c: Likewise.
* chips/ims332.c: Likewise.
* chips/ims332.h: Likewise.
* chips/isdn_79c30.h: Likewise.
* chips/isdn_79c30_hdw.c: Likewise.
* chips/kernel_font.c: Likewise.
* chips/kernel_font.data: Likewise.
* chips/lance.c: Likewise.
* chips/lance.h: Likewise.
* chips/lance_mapped.c: Likewise.
* chips/lk201.c: Likewise.
* chips/lk201.h: Likewise.
* chips/mc_clock.c: Likewise.
* chips/mc_clock.h: Likewise.
* chips/mouse.c: Likewise.
* chips/nc.c: Likewise.
* chips/nc.h: Likewise.
* chips/nw.h: Likewise.
* chips/nw_mk.c: Likewise.
* chips/nw_mk.h: Likewise.
* chips/pm_defs.h: Likewise.
* chips/pm_hdw.c: Likewise.
* chips/pm_misc.c: Likewise.
* chips/scc_8530.h: Likewise.
* chips/scc_8530_hdw.c: Likewise.
* chips/screen.c: Likewise.
* chips/screen.h: Likewise.
* chips/screen_defs.h: Likewise.
* chips/screen_switch.c: Likewise.
* chips/screen_switch.h: Likewise.
* chips/serial_console.c: Likewise.
* chips/serial_defs.h: Likewise.
* chips/sfb_hdw.c: Likewise.
* chips/sfb_misc.c: Likewise.
* chips/spans.c: Likewise.
* chips/spans.h: Likewise.
* chips/tca100.c: Likewise.
* chips/tca100.h: Likewise.
* chips/tca100_if.c: Likewise.
* chips/tca100_if.h: Likewise.
* chips/vs42x_rb.h: Likewise.
* chips/xcfb_hdw.c: Likewise.
* chips/xcfb_misc.c: Likewise.
* chips/xcfb_monitor.h: Likewise.
* Makefile.in (chips-files): Only contain `busses.c' and `busses.h'.
* kern/syscall_sw.c: Don't include <chips/nw_mk.h> anymore.
Diffstat (limited to 'chips/ims332.c')
-rw-r--r-- | chips/ims332.c | 312 |
1 files changed, 0 insertions, 312 deletions
diff --git a/chips/ims332.c b/chips/ims332.c deleted file mode 100644 index ebe6a6c..0000000 --- a/chips/ims332.c +++ /dev/null @@ -1,312 +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: ims332.c - * Author: Alessandro Forin, Carnegie Mellon University - * Date: 1/92 - * - * Routines for the Inmos IMS-G332 Colour video controller - */ - -#include <platforms.h> - -#include <chips/ims332.h> -#include <chips/screen.h> - -#include <chips/xcfb_monitor.h> - -/* - * Generic register access - */ -typedef volatile unsigned char *ims332_padded_regmap_t; - -#ifdef MAXINE - -unsigned int -ims332_read_register(regs, regno) - unsigned char *regs; -{ - unsigned char *rptr; - register unsigned int val, v1; - - /* spec sez: */ - rptr = regs + 0x80000 + (regno << 4); - val = * ((volatile unsigned short *) rptr ); - v1 = * ((volatile unsigned short *) regs ); - - return (val & 0xffff) | ((v1 & 0xff00) << 8); -} - -ims332_write_register(regs, regno, val) - unsigned char *regs; - register unsigned int val; -{ - unsigned char *wptr; - - /* spec sez: */ - wptr = regs + 0xa0000 + (regno << 4); - * ((volatile unsigned int *)(regs)) = (val >> 8) & 0xff00; - * ((volatile unsigned short *)(wptr)) = val; -} - -#define assert_ims332_reset_bit(r) *r &= ~0x40 -#define deassert_ims332_reset_bit(r) *r |= 0x40 - -#else /*MAXINE*/ - -#define ims332_read_register(p,r) \ - ((unsigned int *)(p)) [ (r) ] -#define ims332_write_register(p,r,v) \ - ((unsigned int *)(p)) [ (r) ] = (v) - -#endif /*MAXINE*/ - - -/* - * Color map - */ -ims332_load_colormap( regs, map) - ims332_padded_regmap_t *regs; - color_map_t *map; -{ - register int i; - - for (i = 0; i < 256; i++, map++) - ims332_load_colormap_entry(regs, i, map); -} - -ims332_load_colormap_entry( regs, entry, map) - ims332_padded_regmap_t *regs; - color_map_t *map; -{ - /* ?? stop VTG */ - ims332_write_register(regs, IMS332_REG_LUT_BASE + (entry & 0xff), - (map->blue << 16) | - (map->green << 8) | - (map->red)); -} - -ims332_init_colormap( regs) - ims332_padded_regmap_t *regs; -{ - color_map_t m; - - m.red = m.green = m.blue = 0; - ims332_load_colormap_entry( regs, 0, &m); - - m.red = m.green = m.blue = 0xff; - ims332_load_colormap_entry( regs, 1, &m); - ims332_load_colormap_entry( regs, 255, &m); - - /* since we are at it, also fix cursor LUT */ - ims332_load_colormap_entry( regs, IMS332_REG_CURSOR_LUT_0, &m); - ims332_load_colormap_entry( regs, IMS332_REG_CURSOR_LUT_1, &m); - /* *we* do not use this, but the prom does */ - ims332_load_colormap_entry( regs, IMS332_REG_CURSOR_LUT_2, &m); -} - -#if 1/*debug*/ -ims332_print_colormap( regs) - ims332_padded_regmap_t *regs; -{ - register int i; - - for (i = 0; i < 256; i++) { - register unsigned int color; - - color = ims332_read_register( regs, IMS332_REG_LUT_BASE + i); - printf("%x->[x%x x%x x%x]\n", i, - (color >> 16) & 0xff, - (color >> 8) & 0xff, - color & 0xff); - } -} -#endif - -/* - * Video on/off - * - * It is unfortunate that X11 goes backward with white@0 - * and black@1. So we must stash away the zero-th entry - * and fix it while screen is off. Also must remember - * it, sigh. - */ -struct vstate { - ims332_padded_regmap_t *regs; - unsigned short off; -}; - -ims332_video_off(vstate, up) - struct vstate *vstate; - user_info_t *up; -{ - register ims332_padded_regmap_t *regs = vstate->regs; - register unsigned *save, csr; - - if (vstate->off) - return; - - /* Yes, this is awful */ - save = (unsigned *)up->dev_dep_2.gx.colormap; - - *save = ims332_read_register(regs, IMS332_REG_LUT_BASE); - - ims332_write_register(regs, IMS332_REG_LUT_BASE, 0); - - ims332_write_register( regs, IMS332_REG_COLOR_MASK, 0); - - /* cursor now */ - csr = ims332_read_register(regs, IMS332_REG_CSR_A); - csr |= IMS332_CSR_A_DISABLE_CURSOR; - ims332_write_register(regs, IMS332_REG_CSR_A, csr); - - vstate->off = 1; -} - -ims332_video_on(vstate, up) - struct vstate *vstate; - user_info_t *up; -{ - register ims332_padded_regmap_t *regs = vstate->regs; - register unsigned *save, csr; - - if (!vstate->off) - return; - - /* Like I said.. */ - save = (unsigned *)up->dev_dep_2.gx.colormap; - - ims332_write_register(regs, IMS332_REG_LUT_BASE, *save); - - ims332_write_register( regs, IMS332_REG_COLOR_MASK, 0xffffffff); - - /* cursor now */ - csr = ims332_read_register(regs, IMS332_REG_CSR_A); - csr &= ~IMS332_CSR_A_DISABLE_CURSOR; - ims332_write_register(regs, IMS332_REG_CSR_A, csr); - - vstate->off = 0; -} - -/* - * Cursor - */ -ims332_pos_cursor(regs,x,y) - ims332_padded_regmap_t *regs; - register int x,y; -{ - ims332_write_register( regs, IMS332_REG_CURSOR_LOC, - ((x & 0xfff) << 12) | (y & 0xfff) ); -} - - -ims332_cursor_color( regs, color) - ims332_padded_regmap_t *regs; - color_map_t *color; -{ - /* Bg is color[0], Fg is color[1] */ - ims332_write_register(regs, IMS332_REG_CURSOR_LUT_0, - (color->blue << 16) | - (color->green << 8) | - (color->red)); - color++; - ims332_write_register(regs, IMS332_REG_CURSOR_LUT_1, - (color->blue << 16) | - (color->green << 8) | - (color->red)); -} - -ims332_cursor_sprite( regs, cursor) - ims332_padded_regmap_t *regs; - unsigned short *cursor; -{ - register int i; - - /* We *could* cut this down a lot... */ - for (i = 0; i < 512; i++, cursor++) - ims332_write_register( regs, - IMS332_REG_CURSOR_RAM+i, *cursor); -} - -/* - * Initialization - */ -ims332_init(regs, reset, mon) - ims332_padded_regmap_t *regs; - unsigned int *reset; - xcfb_monitor_type_t mon; -{ - int shortdisplay, broadpulse, frontporch; - - assert_ims332_reset_bit(reset); - delay(1); /* specs sez 50ns.. */ - deassert_ims332_reset_bit(reset); - - /* CLOCKIN appears to receive a 6.25 Mhz clock --> PLL 12 for 75Mhz monitor */ - ims332_write_register(regs, IMS332_REG_BOOT, 12 | IMS332_BOOT_CLOCK_PLL); - - /* initialize VTG */ - ims332_write_register(regs, IMS332_REG_CSR_A, - IMS332_BPP_8 | IMS332_CSR_A_DISABLE_CURSOR); - delay(50); /* spec does not say */ - - /* datapath registers (values taken from prom's settings) */ - - frontporch = mon->line_time - (mon->half_sync * 2 + - mon->back_porch + - mon->frame_visible_width / 4); - - shortdisplay = mon->line_time / 2 - (mon->half_sync * 2 + - mon->back_porch + frontporch); - broadpulse = mon->line_time / 2 - frontporch; - - ims332_write_register( regs, IMS332_REG_HALF_SYNCH, mon->half_sync); - ims332_write_register( regs, IMS332_REG_BACK_PORCH, mon->back_porch); - ims332_write_register( regs, IMS332_REG_DISPLAY, - mon->frame_visible_width / 4); - ims332_write_register( regs, IMS332_REG_SHORT_DIS, shortdisplay); - ims332_write_register( regs, IMS332_REG_BROAD_PULSE, broadpulse); - ims332_write_register( regs, IMS332_REG_V_SYNC, mon->v_sync * 2); - ims332_write_register( regs, IMS332_REG_V_PRE_EQUALIZE, - mon->v_pre_equalize); - ims332_write_register( regs, IMS332_REG_V_POST_EQUALIZE, - mon->v_post_equalize); - ims332_write_register( regs, IMS332_REG_V_BLANK, mon->v_blank * 2); - ims332_write_register( regs, IMS332_REG_V_DISPLAY, - mon->frame_visible_height * 2); - ims332_write_register( regs, IMS332_REG_LINE_TIME, mon->line_time); - ims332_write_register( regs, IMS332_REG_LINE_START, mon->line_start); - ims332_write_register( regs, IMS332_REG_MEM_INIT, mon->mem_init); - ims332_write_register( regs, IMS332_REG_XFER_DELAY, mon->xfer_delay); - - ims332_write_register( regs, IMS332_REG_COLOR_MASK, 0xffffff); - - ims332_init_colormap( regs ); - - ims332_write_register(regs, IMS332_REG_CSR_A, - IMS332_BPP_8 | IMS332_CSR_A_DMA_DISABLE | IMS332_CSR_A_VTG_ENABLE); - -} |