1043 lines
23 KiB
C
1043 lines
23 KiB
C
/*-
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* Copyright (c) 2003 Peter Grehan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/sysctl.h>
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#include <sys/limits.h>
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#include <sys/conf.h>
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#include <sys/cons.h>
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#include <sys/proc.h>
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#include <sys/fcntl.h>
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#include <sys/malloc.h>
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#include <sys/fbio.h>
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#include <sys/consio.h>
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#include <machine/bus.h>
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#include <machine/sc_machdep.h>
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#include <machine/vm.h>
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#include <sys/rman.h>
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#include <dev/fb/fbreg.h>
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#include <dev/syscons/syscons.h>
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#include <dev/ofw/openfirm.h>
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#include <dev/ofw/ofw_bus.h>
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#include <dev/ofw/ofw_pci.h>
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#include <powerpc/ofw/ofw_syscons.h>
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static int ofwfb_ignore_mmap_checks = 1;
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static SYSCTL_NODE(_hw, OID_AUTO, ofwfb, CTLFLAG_RD, 0, "ofwfb");
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SYSCTL_INT(_hw_ofwfb, OID_AUTO, relax_mmap, CTLFLAG_RW,
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&ofwfb_ignore_mmap_checks, 0, "relaxed mmap bounds checking");
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extern u_char dflt_font_16[];
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extern u_char dflt_font_14[];
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extern u_char dflt_font_8[];
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static int ofwfb_configure(int flags);
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static vi_probe_t ofwfb_probe;
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static vi_init_t ofwfb_init;
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static vi_get_info_t ofwfb_get_info;
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static vi_query_mode_t ofwfb_query_mode;
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static vi_set_mode_t ofwfb_set_mode;
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static vi_save_font_t ofwfb_save_font;
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static vi_load_font_t ofwfb_load_font;
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static vi_show_font_t ofwfb_show_font;
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static vi_save_palette_t ofwfb_save_palette;
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static vi_load_palette_t ofwfb_load_palette;
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static vi_set_border_t ofwfb_set_border;
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static vi_save_state_t ofwfb_save_state;
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static vi_load_state_t ofwfb_load_state;
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static vi_set_win_org_t ofwfb_set_win_org;
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static vi_read_hw_cursor_t ofwfb_read_hw_cursor;
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static vi_set_hw_cursor_t ofwfb_set_hw_cursor;
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static vi_set_hw_cursor_shape_t ofwfb_set_hw_cursor_shape;
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static vi_blank_display_t ofwfb_blank_display;
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static vi_mmap_t ofwfb_mmap;
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static vi_ioctl_t ofwfb_ioctl;
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static vi_clear_t ofwfb_clear;
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static vi_fill_rect_t ofwfb_fill_rect;
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static vi_bitblt_t ofwfb_bitblt;
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static vi_diag_t ofwfb_diag;
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static vi_save_cursor_palette_t ofwfb_save_cursor_palette;
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static vi_load_cursor_palette_t ofwfb_load_cursor_palette;
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static vi_copy_t ofwfb_copy;
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static vi_putp_t ofwfb_putp;
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static vi_putc_t ofwfb_putc;
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static vi_puts_t ofwfb_puts;
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static vi_putm_t ofwfb_putm;
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static video_switch_t ofwfbvidsw = {
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.probe = ofwfb_probe,
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.init = ofwfb_init,
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.get_info = ofwfb_get_info,
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.query_mode = ofwfb_query_mode,
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.set_mode = ofwfb_set_mode,
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.save_font = ofwfb_save_font,
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.load_font = ofwfb_load_font,
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.show_font = ofwfb_show_font,
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.save_palette = ofwfb_save_palette,
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.load_palette = ofwfb_load_palette,
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.set_border = ofwfb_set_border,
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.save_state = ofwfb_save_state,
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.load_state = ofwfb_load_state,
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.set_win_org = ofwfb_set_win_org,
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.read_hw_cursor = ofwfb_read_hw_cursor,
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.set_hw_cursor = ofwfb_set_hw_cursor,
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.set_hw_cursor_shape = ofwfb_set_hw_cursor_shape,
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.blank_display = ofwfb_blank_display,
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.mmap = ofwfb_mmap,
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.ioctl = ofwfb_ioctl,
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.clear = ofwfb_clear,
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.fill_rect = ofwfb_fill_rect,
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.bitblt = ofwfb_bitblt,
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.diag = ofwfb_diag,
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.save_cursor_palette = ofwfb_save_cursor_palette,
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.load_cursor_palette = ofwfb_load_cursor_palette,
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.copy = ofwfb_copy,
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.putp = ofwfb_putp,
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.putc = ofwfb_putc,
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.puts = ofwfb_puts,
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.putm = ofwfb_putm,
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};
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/*
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* bitmap depth-specific routines
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*/
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static vi_blank_display_t ofwfb_blank_display8;
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static vi_putc_t ofwfb_putc8;
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static vi_putm_t ofwfb_putm8;
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static vi_set_border_t ofwfb_set_border8;
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static vi_blank_display_t ofwfb_blank_display32;
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static vi_putc_t ofwfb_putc32;
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static vi_putm_t ofwfb_putm32;
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static vi_set_border_t ofwfb_set_border32;
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VIDEO_DRIVER(ofwfb, ofwfbvidsw, ofwfb_configure);
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extern sc_rndr_sw_t txtrndrsw;
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RENDERER(ofwfb, 0, txtrndrsw, gfb_set);
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RENDERER_MODULE(ofwfb, gfb_set);
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/*
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* Define the iso6429-1983 colormap
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*/
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static struct {
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uint8_t red;
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uint8_t green;
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uint8_t blue;
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} ofwfb_cmap[16] = { /* # R G B Color */
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/* - - - - ----- */
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{ 0x00, 0x00, 0x00 }, /* 0 0 0 0 Black */
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{ 0x00, 0x00, 0xaa }, /* 1 0 0 2/3 Blue */
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{ 0x00, 0xaa, 0x00 }, /* 2 0 2/3 0 Green */
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{ 0x00, 0xaa, 0xaa }, /* 3 0 2/3 2/3 Cyan */
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{ 0xaa, 0x00, 0x00 }, /* 4 2/3 0 0 Red */
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{ 0xaa, 0x00, 0xaa }, /* 5 2/3 0 2/3 Magenta */
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{ 0xaa, 0x55, 0x00 }, /* 6 2/3 1/3 0 Brown */
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{ 0xaa, 0xaa, 0xaa }, /* 7 2/3 2/3 2/3 White */
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{ 0x55, 0x55, 0x55 }, /* 8 1/3 1/3 1/3 Gray */
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{ 0x55, 0x55, 0xff }, /* 9 1/3 1/3 1 Bright Blue */
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{ 0x55, 0xff, 0x55 }, /* 10 1/3 1 1/3 Bright Green */
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{ 0x55, 0xff, 0xff }, /* 11 1/3 1 1 Bright Cyan */
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{ 0xff, 0x55, 0x55 }, /* 12 1 1/3 1/3 Bright Red */
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{ 0xff, 0x55, 0xff }, /* 13 1 1/3 1 Bright Magenta */
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{ 0xff, 0xff, 0x80 }, /* 14 1 1 1/3 Bright Yellow */
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{ 0xff, 0xff, 0xff } /* 15 1 1 1 Bright White */
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};
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#define TODO printf("%s: unimplemented\n", __func__)
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static u_int16_t ofwfb_static_window[ROW*COL];
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static struct ofwfb_softc ofwfb_softc;
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static __inline int
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ofwfb_background(uint8_t attr)
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{
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return (attr >> 4);
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}
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static __inline int
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ofwfb_foreground(uint8_t attr)
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{
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return (attr & 0x0f);
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}
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static u_int
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ofwfb_pix32(int attr)
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{
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u_int retval;
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retval = (ofwfb_cmap[attr].blue << 16) |
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(ofwfb_cmap[attr].green << 8) |
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ofwfb_cmap[attr].red;
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return (retval);
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}
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static int
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ofwfb_configure(int flags)
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{
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struct ofwfb_softc *sc;
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phandle_t chosen;
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ihandle_t stdout;
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phandle_t node;
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uint32_t fb_phys;
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int depth;
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int disable;
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int len;
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char type[16];
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static int done = 0;
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disable = 0;
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TUNABLE_INT_FETCH("hw.syscons.disable", &disable);
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if (disable != 0)
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return (0);
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if (done != 0)
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return (0);
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done = 1;
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sc = &ofwfb_softc;
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chosen = OF_finddevice("/chosen");
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OF_getprop(chosen, "stdout", &stdout, sizeof(stdout));
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node = OF_instance_to_package(stdout);
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if (node == -1) {
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/*
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* The "/chosen/stdout" does not exist try
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* using "screen" directly.
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*/
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node = OF_finddevice("screen");
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}
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OF_getprop(node, "device_type", type, sizeof(type));
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if (strcmp(type, "display") != 0)
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return (0);
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/* Only support 8 and 32-bit framebuffers */
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OF_getprop(node, "depth", &depth, sizeof(depth));
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if (depth == 8) {
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sc->sc_blank = ofwfb_blank_display8;
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sc->sc_putc = ofwfb_putc8;
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sc->sc_putm = ofwfb_putm8;
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sc->sc_set_border = ofwfb_set_border8;
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} else if (depth == 32) {
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sc->sc_blank = ofwfb_blank_display32;
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sc->sc_putc = ofwfb_putc32;
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sc->sc_putm = ofwfb_putm32;
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sc->sc_set_border = ofwfb_set_border32;
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} else
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return (0);
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sc->sc_depth = depth;
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sc->sc_node = node;
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sc->sc_console = 1;
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OF_getprop(node, "height", &sc->sc_height, sizeof(sc->sc_height));
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OF_getprop(node, "width", &sc->sc_width, sizeof(sc->sc_width));
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OF_getprop(node, "linebytes", &sc->sc_stride, sizeof(sc->sc_stride));
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/*
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* Grab the physical address of the framebuffer, and then map it
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* into our memory space. If the MMU is not yet up, it will be
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* remapped for us when relocation turns on.
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*
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* XXX We assume #address-cells is 1 at this point.
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*/
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OF_getprop(node, "address", &fb_phys, sizeof(fb_phys));
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bus_space_map(&bs_be_tag, fb_phys, sc->sc_height * sc->sc_stride,
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BUS_SPACE_MAP_PREFETCHABLE, &sc->sc_addr);
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/*
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* Get the PCI addresses of the adapter. The node may be the
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* child of the PCI device: in that case, try the parent for
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* the assigned-addresses property.
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*/
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len = OF_getprop(node, "assigned-addresses", sc->sc_pciaddrs,
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sizeof(sc->sc_pciaddrs));
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if (len == -1) {
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len = OF_getprop(OF_parent(node), "assigned-addresses",
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sc->sc_pciaddrs, sizeof(sc->sc_pciaddrs));
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}
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if (len != -1) {
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sc->sc_num_pciaddrs = len / sizeof(struct ofw_pci_register);
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}
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ofwfb_init(0, &sc->sc_va, 0);
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return (0);
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}
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static int
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ofwfb_probe(int unit, video_adapter_t **adp, void *arg, int flags)
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{
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TODO;
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return (0);
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}
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static int
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ofwfb_init(int unit, video_adapter_t *adp, int flags)
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{
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struct ofwfb_softc *sc;
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video_info_t *vi;
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int cborder;
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int font_height;
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sc = (struct ofwfb_softc *)adp;
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vi = &adp->va_info;
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vid_init_struct(adp, "ofwfb", -1, unit);
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/* The default font size can be overridden by loader */
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font_height = 16;
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TUNABLE_INT_FETCH("hw.syscons.fsize", &font_height);
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if (font_height == 8) {
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sc->sc_font = dflt_font_8;
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sc->sc_font_height = 8;
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} else if (font_height == 14) {
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sc->sc_font = dflt_font_14;
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sc->sc_font_height = 14;
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} else {
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/* default is 8x16 */
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sc->sc_font = dflt_font_16;
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sc->sc_font_height = 16;
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}
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/* The user can set a border in chars - default is 1 char width */
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cborder = 1;
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TUNABLE_INT_FETCH("hw.syscons.border", &cborder);
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vi->vi_cheight = sc->sc_font_height;
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vi->vi_width = sc->sc_width/8 - 2*cborder;
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vi->vi_height = sc->sc_height/sc->sc_font_height - 2*cborder;
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vi->vi_cwidth = 8;
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/*
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* Clamp width/height to syscons maximums
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*/
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if (vi->vi_width > COL)
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vi->vi_width = COL;
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if (vi->vi_height > ROW)
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vi->vi_height = ROW;
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sc->sc_xmargin = (sc->sc_width - (vi->vi_width * vi->vi_cwidth)) / 2;
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sc->sc_ymargin = (sc->sc_height - (vi->vi_height * vi->vi_cheight))/2;
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/*
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* Avoid huge amounts of conditional code in syscons by
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* defining a dummy h/w text display buffer.
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*/
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adp->va_window = (vm_offset_t) ofwfb_static_window;
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/*
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* Enable future font-loading and flag color support, as well as
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* adding V_ADP_MODECHANGE so that we ofwfb_set_mode() gets called
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* when the X server shuts down. This enables us to get the console
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* back when X disappears.
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*/
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adp->va_flags |= V_ADP_FONT | V_ADP_COLOR | V_ADP_MODECHANGE;
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ofwfb_set_mode(&sc->sc_va, 0);
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vid_register(&sc->sc_va);
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return (0);
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}
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static int
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ofwfb_get_info(video_adapter_t *adp, int mode, video_info_t *info)
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{
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bcopy(&adp->va_info, info, sizeof(*info));
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return (0);
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}
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static int
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ofwfb_query_mode(video_adapter_t *adp, video_info_t *info)
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{
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TODO;
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return (0);
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}
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static int
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ofwfb_set_mode(video_adapter_t *adp, int mode)
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{
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struct ofwfb_softc *sc;
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char name[64];
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ihandle_t ih;
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int i, retval;
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sc = (struct ofwfb_softc *)adp;
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/*
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* Open the display device, which will initialize it.
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*/
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memset(name, 0, sizeof(name));
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OF_package_to_path(sc->sc_node, name, sizeof(name));
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ih = OF_open(name);
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if (sc->sc_depth == 8) {
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/*
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* Install the ISO6429 colormap - older OFW systems
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* don't do this by default
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*/
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for (i = 0; i < 16; i++) {
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OF_call_method("color!", ih, 4, 1,
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ofwfb_cmap[i].red,
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ofwfb_cmap[i].green,
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ofwfb_cmap[i].blue,
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i,
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&retval);
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}
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}
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ofwfb_blank_display(&sc->sc_va, V_DISPLAY_ON);
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return (0);
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}
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static int
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ofwfb_save_font(video_adapter_t *adp, int page, int size, int width,
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u_char *data, int c, int count)
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{
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TODO;
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return (0);
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}
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static int
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ofwfb_load_font(video_adapter_t *adp, int page, int size, int width,
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u_char *data, int c, int count)
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{
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struct ofwfb_softc *sc;
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sc = (struct ofwfb_softc *)adp;
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/*
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* syscons code has already determined that current width/height
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* are unchanged for this new font
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*/
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sc->sc_font = data;
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return (0);
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}
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static int
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ofwfb_show_font(video_adapter_t *adp, int page)
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{
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return (0);
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}
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static int
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ofwfb_save_palette(video_adapter_t *adp, u_char *palette)
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{
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/* TODO; */
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return (0);
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}
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static int
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ofwfb_load_palette(video_adapter_t *adp, u_char *palette)
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{
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/* TODO; */
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return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_set_border8(video_adapter_t *adp, int border)
|
|
{
|
|
struct ofwfb_softc *sc;
|
|
int i, j;
|
|
uint8_t *addr;
|
|
uint8_t bground;
|
|
|
|
sc = (struct ofwfb_softc *)adp;
|
|
|
|
bground = ofwfb_background(border);
|
|
|
|
/* Set top margin */
|
|
addr = (uint8_t *) sc->sc_addr;
|
|
for (i = 0; i < sc->sc_ymargin; i++) {
|
|
for (j = 0; j < sc->sc_width; j++) {
|
|
*(addr + j) = bground;
|
|
}
|
|
addr += sc->sc_stride;
|
|
}
|
|
|
|
/* bottom margin */
|
|
addr = (uint8_t *) sc->sc_addr + (sc->sc_height - sc->sc_ymargin)*sc->sc_stride;
|
|
for (i = 0; i < sc->sc_ymargin; i++) {
|
|
for (j = 0; j < sc->sc_width; j++) {
|
|
*(addr + j) = bground;
|
|
}
|
|
addr += sc->sc_stride;
|
|
}
|
|
|
|
/* remaining left and right borders */
|
|
addr = (uint8_t *) sc->sc_addr + sc->sc_ymargin*sc->sc_stride;
|
|
for (i = 0; i < sc->sc_height - 2*sc->sc_xmargin; i++) {
|
|
for (j = 0; j < sc->sc_xmargin; j++) {
|
|
*(addr + j) = bground;
|
|
*(addr + j + sc->sc_width - sc->sc_xmargin) = bground;
|
|
}
|
|
addr += sc->sc_stride;
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_set_border32(video_adapter_t *adp, int border)
|
|
{
|
|
/* XXX Be lazy for now and blank entire screen */
|
|
return (ofwfb_blank_display32(adp, border));
|
|
}
|
|
|
|
static int
|
|
ofwfb_set_border(video_adapter_t *adp, int border)
|
|
{
|
|
struct ofwfb_softc *sc;
|
|
|
|
sc = (struct ofwfb_softc *)adp;
|
|
|
|
return ((*sc->sc_set_border)(adp, border));
|
|
}
|
|
|
|
static int
|
|
ofwfb_save_state(video_adapter_t *adp, void *p, size_t size)
|
|
{
|
|
TODO;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_load_state(video_adapter_t *adp, void *p)
|
|
{
|
|
TODO;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_set_win_org(video_adapter_t *adp, off_t offset)
|
|
{
|
|
TODO;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
|
|
{
|
|
*col = 0;
|
|
*row = 0;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_set_hw_cursor(video_adapter_t *adp, int col, int row)
|
|
{
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
|
|
int celsize, int blink)
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_blank_display8(video_adapter_t *adp, int mode)
|
|
{
|
|
struct ofwfb_softc *sc;
|
|
int i;
|
|
uint8_t *addr;
|
|
|
|
sc = (struct ofwfb_softc *)adp;
|
|
addr = (uint8_t *) sc->sc_addr;
|
|
|
|
/* Could be done a lot faster e.g. 32-bits, or Altivec'd */
|
|
for (i = 0; i < sc->sc_stride*sc->sc_height; i++)
|
|
*(addr + i) = ofwfb_background(SC_NORM_ATTR);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_blank_display32(video_adapter_t *adp, int mode)
|
|
{
|
|
struct ofwfb_softc *sc;
|
|
int i;
|
|
uint32_t *addr;
|
|
|
|
sc = (struct ofwfb_softc *)adp;
|
|
addr = (uint32_t *) sc->sc_addr;
|
|
|
|
for (i = 0; i < (sc->sc_stride/4)*sc->sc_height; i++)
|
|
*(addr + i) = ofwfb_pix32(ofwfb_background(SC_NORM_ATTR));
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_blank_display(video_adapter_t *adp, int mode)
|
|
{
|
|
struct ofwfb_softc *sc;
|
|
|
|
sc = (struct ofwfb_softc *)adp;
|
|
|
|
return ((*sc->sc_blank)(adp, mode));
|
|
}
|
|
|
|
static int
|
|
ofwfb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr,
|
|
int prot, vm_memattr_t *memattr)
|
|
{
|
|
struct ofwfb_softc *sc;
|
|
int i;
|
|
|
|
sc = (struct ofwfb_softc *)adp;
|
|
|
|
/*
|
|
* Make sure the requested address lies within the PCI device's
|
|
* assigned addrs
|
|
*/
|
|
for (i = 0; i < sc->sc_num_pciaddrs; i++)
|
|
if (offset >= sc->sc_pciaddrs[i].phys_lo &&
|
|
offset < (sc->sc_pciaddrs[i].phys_lo + sc->sc_pciaddrs[i].size_lo))
|
|
{
|
|
/*
|
|
* If this is a prefetchable BAR, we can (and should)
|
|
* enable write-combining.
|
|
*/
|
|
if (sc->sc_pciaddrs[i].phys_hi &
|
|
OFW_PCI_PHYS_HI_PREFETCHABLE)
|
|
*memattr = VM_MEMATTR_WRITE_COMBINING;
|
|
|
|
*paddr = offset;
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Hack for Radeon...
|
|
*/
|
|
if (ofwfb_ignore_mmap_checks) {
|
|
*paddr = offset;
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* This might be a legacy VGA mem request: if so, just point it at the
|
|
* framebuffer, since it shouldn't be touched
|
|
*/
|
|
if (offset < sc->sc_stride*sc->sc_height) {
|
|
*paddr = sc->sc_addr + offset;
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Error if we didn't have a better idea.
|
|
*/
|
|
if (sc->sc_num_pciaddrs == 0)
|
|
return (ENOMEM);
|
|
|
|
return (EINVAL);
|
|
}
|
|
|
|
static int
|
|
ofwfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
|
|
{
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_clear(video_adapter_t *adp)
|
|
{
|
|
TODO;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
|
|
{
|
|
TODO;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_bitblt(video_adapter_t *adp, ...)
|
|
{
|
|
TODO;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_diag(video_adapter_t *adp, int level)
|
|
{
|
|
TODO;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_save_cursor_palette(video_adapter_t *adp, u_char *palette)
|
|
{
|
|
TODO;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_load_cursor_palette(video_adapter_t *adp, u_char *palette)
|
|
{
|
|
TODO;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
|
|
{
|
|
TODO;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a,
|
|
int size, int bpp, int bit_ltor, int byte_ltor)
|
|
{
|
|
TODO;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_putc8(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
|
|
{
|
|
struct ofwfb_softc *sc;
|
|
int row;
|
|
int col;
|
|
int i;
|
|
uint32_t *addr;
|
|
u_char *p, fg, bg;
|
|
union {
|
|
uint32_t l;
|
|
uint8_t c[4];
|
|
} ch1, ch2;
|
|
|
|
|
|
sc = (struct ofwfb_softc *)adp;
|
|
row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
|
|
col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
|
|
p = sc->sc_font + c*sc->sc_font_height;
|
|
addr = (u_int32_t *)((uintptr_t)sc->sc_addr
|
|
+ (row + sc->sc_ymargin)*sc->sc_stride
|
|
+ col + sc->sc_xmargin);
|
|
|
|
fg = ofwfb_foreground(a);
|
|
bg = ofwfb_background(a);
|
|
|
|
for (i = 0; i < sc->sc_font_height; i++) {
|
|
u_char fline = p[i];
|
|
|
|
/*
|
|
* Assume that there is more background than foreground
|
|
* in characters and init accordingly
|
|
*/
|
|
ch1.l = ch2.l = (bg << 24) | (bg << 16) | (bg << 8) | bg;
|
|
|
|
/*
|
|
* Calculate 2 x 4-chars at a time, and then
|
|
* write these out.
|
|
*/
|
|
if (fline & 0x80) ch1.c[0] = fg;
|
|
if (fline & 0x40) ch1.c[1] = fg;
|
|
if (fline & 0x20) ch1.c[2] = fg;
|
|
if (fline & 0x10) ch1.c[3] = fg;
|
|
|
|
if (fline & 0x08) ch2.c[0] = fg;
|
|
if (fline & 0x04) ch2.c[1] = fg;
|
|
if (fline & 0x02) ch2.c[2] = fg;
|
|
if (fline & 0x01) ch2.c[3] = fg;
|
|
|
|
addr[0] = ch1.l;
|
|
addr[1] = ch2.l;
|
|
addr += (sc->sc_stride / sizeof(u_int32_t));
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_putc32(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
|
|
{
|
|
struct ofwfb_softc *sc;
|
|
int row;
|
|
int col;
|
|
int i, j, k;
|
|
uint32_t *addr;
|
|
u_char *p;
|
|
|
|
sc = (struct ofwfb_softc *)adp;
|
|
row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
|
|
col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
|
|
p = sc->sc_font + c*sc->sc_font_height;
|
|
addr = (uint32_t *)sc->sc_addr
|
|
+ (row + sc->sc_ymargin)*(sc->sc_stride/4)
|
|
+ col + sc->sc_xmargin;
|
|
|
|
for (i = 0; i < sc->sc_font_height; i++) {
|
|
for (j = 0, k = 7; j < 8; j++, k--) {
|
|
if ((p[i] & (1 << k)) == 0)
|
|
*(addr + j) = ofwfb_pix32(ofwfb_background(a));
|
|
else
|
|
*(addr + j) = ofwfb_pix32(ofwfb_foreground(a));
|
|
}
|
|
addr += (sc->sc_stride/4);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
|
|
{
|
|
struct ofwfb_softc *sc;
|
|
|
|
sc = (struct ofwfb_softc *)adp;
|
|
|
|
return ((*sc->sc_putc)(adp, off, c, a));
|
|
}
|
|
|
|
static int
|
|
ofwfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < len; i++) {
|
|
ofwfb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
|
|
uint32_t pixel_mask, int size, int width)
|
|
{
|
|
struct ofwfb_softc *sc;
|
|
|
|
sc = (struct ofwfb_softc *)adp;
|
|
|
|
return ((*sc->sc_putm)(adp, x, y, pixel_image, pixel_mask, size,
|
|
width));
|
|
}
|
|
|
|
static int
|
|
ofwfb_putm8(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
|
|
uint32_t pixel_mask, int size, int width)
|
|
{
|
|
struct ofwfb_softc *sc;
|
|
int i, j, k;
|
|
uint8_t *addr;
|
|
u_char fg, bg;
|
|
|
|
sc = (struct ofwfb_softc *)adp;
|
|
addr = (u_int8_t *)((uintptr_t)sc->sc_addr
|
|
+ (y + sc->sc_ymargin)*sc->sc_stride
|
|
+ x + sc->sc_xmargin);
|
|
|
|
fg = ofwfb_foreground(SC_NORM_ATTR);
|
|
bg = ofwfb_background(SC_NORM_ATTR);
|
|
|
|
for (i = 0; i < size && i+y < sc->sc_height - 2*sc->sc_ymargin; i++) {
|
|
/*
|
|
* Calculate 2 x 4-chars at a time, and then
|
|
* write these out.
|
|
*/
|
|
for (j = 0, k = width; j < 8; j++, k--) {
|
|
if (x + j >= sc->sc_width - 2*sc->sc_xmargin)
|
|
continue;
|
|
|
|
if (pixel_image[i] & (1 << k))
|
|
addr[j] = (addr[j] == fg) ? bg : fg;
|
|
}
|
|
|
|
addr += (sc->sc_stride / sizeof(u_int8_t));
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_putm32(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
|
|
uint32_t pixel_mask, int size, int width)
|
|
{
|
|
struct ofwfb_softc *sc;
|
|
int i, j, k;
|
|
uint32_t fg, bg;
|
|
uint32_t *addr;
|
|
|
|
sc = (struct ofwfb_softc *)adp;
|
|
addr = (uint32_t *)sc->sc_addr
|
|
+ (y + sc->sc_ymargin)*(sc->sc_stride/4)
|
|
+ x + sc->sc_xmargin;
|
|
|
|
fg = ofwfb_pix32(ofwfb_foreground(SC_NORM_ATTR));
|
|
bg = ofwfb_pix32(ofwfb_background(SC_NORM_ATTR));
|
|
|
|
for (i = 0; i < size && i+y < sc->sc_height - 2*sc->sc_ymargin; i++) {
|
|
for (j = 0, k = width; j < 8; j++, k--) {
|
|
if (x + j >= sc->sc_width - 2*sc->sc_xmargin)
|
|
continue;
|
|
|
|
if (pixel_image[i] & (1 << k))
|
|
*(addr + j) = (*(addr + j) == fg) ? bg : fg;
|
|
}
|
|
addr += (sc->sc_stride/4);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Define the syscons nexus device attachment
|
|
*/
|
|
static void
|
|
ofwfb_scidentify(driver_t *driver, device_t parent)
|
|
{
|
|
device_t child;
|
|
|
|
/*
|
|
* Add with a priority guaranteed to make it last on
|
|
* the device list
|
|
*/
|
|
child = BUS_ADD_CHILD(parent, INT_MAX, SC_DRIVER_NAME, 0);
|
|
}
|
|
|
|
static int
|
|
ofwfb_scprobe(device_t dev)
|
|
{
|
|
int error;
|
|
|
|
device_set_desc(dev, "System console");
|
|
|
|
error = sc_probe_unit(device_get_unit(dev),
|
|
device_get_flags(dev) | SC_AUTODETECT_KBD);
|
|
if (error != 0)
|
|
return (error);
|
|
|
|
/* This is a fake device, so make sure we added it ourselves */
|
|
return (BUS_PROBE_NOWILDCARD);
|
|
}
|
|
|
|
static int
|
|
ofwfb_scattach(device_t dev)
|
|
{
|
|
return (sc_attach_unit(device_get_unit(dev),
|
|
device_get_flags(dev) | SC_AUTODETECT_KBD));
|
|
}
|
|
|
|
static device_method_t ofwfb_sc_methods[] = {
|
|
DEVMETHOD(device_identify, ofwfb_scidentify),
|
|
DEVMETHOD(device_probe, ofwfb_scprobe),
|
|
DEVMETHOD(device_attach, ofwfb_scattach),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t ofwfb_sc_driver = {
|
|
SC_DRIVER_NAME,
|
|
ofwfb_sc_methods,
|
|
sizeof(sc_softc_t),
|
|
};
|
|
|
|
static devclass_t sc_devclass;
|
|
|
|
DRIVER_MODULE(ofwfb, nexus, ofwfb_sc_driver, sc_devclass, 0, 0);
|
|
|
|
/*
|
|
* Define a stub keyboard driver in case one hasn't been
|
|
* compiled into the kernel
|
|
*/
|
|
#include <sys/kbio.h>
|
|
#include <dev/kbd/kbdreg.h>
|
|
|
|
static int dummy_kbd_configure(int flags);
|
|
|
|
keyboard_switch_t dummysw;
|
|
|
|
static int
|
|
dummy_kbd_configure(int flags)
|
|
{
|
|
|
|
return (0);
|
|
}
|
|
KEYBOARD_DRIVER(dummy, dummysw, dummy_kbd_configure);
|
|
|
|
/*
|
|
* Utility routines from <dev/fb/fbreg.h>
|
|
*/
|
|
void
|
|
ofwfb_bcopy(const void *s, void *d, size_t c)
|
|
{
|
|
bcopy(s, d, c);
|
|
}
|
|
|
|
void
|
|
ofwfb_bzero(void *d, size_t c)
|
|
{
|
|
bzero(d, c);
|
|
}
|
|
|
|
void
|
|
ofwfb_fillw(int pat, void *base, size_t cnt)
|
|
{
|
|
u_int16_t *bptr = base;
|
|
|
|
while (cnt--)
|
|
*bptr++ = pat;
|
|
}
|
|
|
|
u_int16_t
|
|
ofwfb_readw(u_int16_t *addr)
|
|
{
|
|
return (*addr);
|
|
}
|
|
|
|
void
|
|
ofwfb_writew(u_int16_t *addr, u_int16_t val)
|
|
{
|
|
*addr = val;
|
|
}
|