656 lines
16 KiB
C
656 lines
16 KiB
C
/*-
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* Copyright (c) 2005, 2006 Rink Springer <rink@il.fontys.nl>
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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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* This is the syscon(4)-ized version of the Xbox Frame Buffer driver. It
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* supports about all features required, such as mouse support.
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*
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* A lot of functions that are not useful to us have not been implemented.
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* It appears that some functions are never called, but these implementations
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* are here nevertheless.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <vm/vm_param.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/cons.h>
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#include <sys/module.h>
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#include <sys/conf.h>
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#include <sys/consio.h>
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#include <sys/limits.h>
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#include <sys/tty.h>
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#include <sys/kbio.h>
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#include <sys/fbio.h>
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#include <dev/kbd/kbdreg.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <machine/bus.h>
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#include <machine/xbox.h>
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#include <machine/legacyvar.h>
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#include <dev/fb/fbreg.h>
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#include <dev/fb/gfb.h>
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#include <dev/syscons/syscons.h>
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struct xboxfb_softc {
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video_adapter_t sc_va;
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/* screen height (pixels) */
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uint32_t sc_height;
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/* screen width (pixels) */
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uint32_t sc_width;
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/* pointer to the actual XBOX video memory */
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char* sc_framebuffer;
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/* pointer to the font used */
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struct gfb_font* sc_font;
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};
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#define SCREEN_WIDTH 640
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#define SCREEN_HEIGHT 480
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#define XBOXFB_DRIVER_NAME "xboxsc"
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extern struct gfb_font bold8x16;
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static vi_probe_t xboxfb_probe;
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static vi_init_t xboxfb_init;
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static vi_get_info_t xboxfb_get_info;
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static vi_query_mode_t xboxfb_query_mode;
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static vi_set_mode_t xboxfb_set_mode;
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static vi_save_font_t xboxfb_save_font;
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static vi_load_font_t xboxfb_load_font;
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static vi_show_font_t xboxfb_show_font;
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static vi_save_palette_t xboxfb_save_palette;
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static vi_load_palette_t xboxfb_load_palette;
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static vi_set_border_t xboxfb_set_border;
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static vi_save_state_t xboxfb_save_state;
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static vi_load_state_t xboxfb_load_state;
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static vi_set_win_org_t xboxfb_set_win_org;
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static vi_read_hw_cursor_t xboxfb_read_hw_cursor;
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static vi_set_hw_cursor_t xboxfb_set_hw_cursor;
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static vi_set_hw_cursor_shape_t xboxfb_set_hw_cursor_shape;
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static vi_blank_display_t xboxfb_blank_display;
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static vi_mmap_t xboxfb_mmap;
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static vi_ioctl_t xboxfb_ioctl;
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static vi_clear_t xboxfb_clear;
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static vi_fill_rect_t xboxfb_fill_rect;
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static vi_bitblt_t xboxfb_bitblt;
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static vi_diag_t xboxfb_diag;
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static vi_save_cursor_palette_t xboxfb_save_cursor_palette;
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static vi_load_cursor_palette_t xboxfb_load_cursor_palette;
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static vi_copy_t xboxfb_copy;
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static vi_putp_t xboxfb_putp;
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static vi_putc_t xboxfb_putc;
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static vi_puts_t xboxfb_puts;
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static vi_putm_t xboxfb_putm;
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static video_switch_t xboxvidsw = {
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.probe = xboxfb_probe,
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.init = xboxfb_init,
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.get_info = xboxfb_get_info,
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.query_mode = xboxfb_query_mode,
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.set_mode = xboxfb_set_mode,
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.save_font = xboxfb_save_font,
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.load_font = xboxfb_load_font,
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.show_font = xboxfb_show_font,
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.save_palette = xboxfb_save_palette,
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.load_palette = xboxfb_load_palette,
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.set_border = xboxfb_set_border,
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.save_state = xboxfb_save_state,
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.load_state = xboxfb_load_state,
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.set_win_org = xboxfb_set_win_org,
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.read_hw_cursor = xboxfb_read_hw_cursor,
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.set_hw_cursor = xboxfb_set_hw_cursor,
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.set_hw_cursor_shape = xboxfb_set_hw_cursor_shape,
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.blank_display = xboxfb_blank_display,
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.mmap = xboxfb_mmap,
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.ioctl = xboxfb_ioctl,
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.clear = xboxfb_clear,
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.fill_rect = xboxfb_fill_rect,
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.bitblt = xboxfb_bitblt,
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NULL,
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NULL,
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.diag = xboxfb_diag,
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.save_cursor_palette = xboxfb_save_cursor_palette,
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.load_cursor_palette = xboxfb_load_cursor_palette,
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.copy = xboxfb_copy,
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.putp = xboxfb_putp,
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.putc = xboxfb_putc,
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.puts = xboxfb_puts,
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.putm = xboxfb_putm
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};
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static int xboxfb_configure(int flags);
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VIDEO_DRIVER(xboxsc, xboxvidsw, xboxfb_configure);
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static vr_init_t xbr_init;
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static vr_clear_t xbr_clear;
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static vr_draw_border_t xbr_draw_border;
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static vr_draw_t xbr_draw;
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static vr_set_cursor_t xbr_set_cursor;
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static vr_draw_cursor_t xbr_draw_cursor;
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static vr_blink_cursor_t xbr_blink_cursor;
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static vr_set_mouse_t xbr_set_mouse;
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static vr_draw_mouse_t xbr_draw_mouse;
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/*
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* We use our own renderer; this is because we must emulate a hardware
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* cursor.
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*/
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static sc_rndr_sw_t xboxrend = {
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xbr_init,
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xbr_clear,
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xbr_draw_border,
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xbr_draw,
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xbr_set_cursor,
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xbr_draw_cursor,
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xbr_blink_cursor,
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xbr_set_mouse,
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xbr_draw_mouse
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};
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RENDERER(xboxsc, 0, xboxrend, gfb_set);
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static struct xboxfb_softc xboxfb_sc;
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/* color mappings, from dev/fb/creator.c */
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static const uint32_t cmap[] = {
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0x00000000, /* black */
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0x000000ff, /* blue */
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0x0000ff00, /* green */
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0x0000c0c0, /* cyan */
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0x00ff0000, /* red */
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0x00c000c0, /* magenta */
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0x00c0c000, /* brown */
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0x00c0c0c0, /* light grey */
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0x00808080, /* dark grey */
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0x008080ff, /* light blue */
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0x0080ff80, /* light green */
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0x0080ffff, /* light cyan */
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0x00ff8080, /* light red */
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0x00ff80ff, /* light magenta */
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0x00ffff80, /* yellow */
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0x00ffffff /* white */
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};
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/* mouse pointer from dev/syscons/scgfbrndr.c */
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static u_char mouse_pointer[16] = {
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0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68,
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0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00
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};
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static int
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xboxfb_init(int unit, video_adapter_t* adp, int flags)
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{
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struct xboxfb_softc* sc = &xboxfb_sc;
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video_info_t* vi;
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int i;
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int* iptr;
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vi = &adp->va_info;
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vid_init_struct (adp, XBOXFB_DRIVER_NAME, -1, unit);
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sc->sc_height = SCREEN_HEIGHT;
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sc->sc_width = SCREEN_WIDTH;
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sc->sc_font = &bold8x16;
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if (!(adp->va_flags & V_ADP_INITIALIZED)) {
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/*
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* We must make a mapping from video framebuffer memory
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* to real. This is very crude: we map the entire
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* videomemory to PAGE_SIZE! Since our kernel lives at
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* it's relocated address range (0xc0xxxxxx), it won't
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* care.
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*
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* We use address PAGE_SIZE and up so we can still trap
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* NULL pointers. Once the real init is called, the
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* mapping will be done via the OS and stored in a more
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* sensible location ... but since we're not fully
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* initialized, this is our only way to go :-(
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*/
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for (i = 0; i < (XBOX_FB_SIZE / PAGE_SIZE); i++) {
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pmap_kenter (((i + 1) * PAGE_SIZE), XBOX_FB_START + (i * PAGE_SIZE));
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}
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pmap_kenter ((i + 1) * PAGE_SIZE, XBOX_FB_START_PTR - XBOX_FB_START_PTR % PAGE_SIZE);
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sc->sc_framebuffer = (char*)PAGE_SIZE;
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/* ensure the framebuffer is where we want it to be */
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*(uint32_t*)((i + 1) * PAGE_SIZE + XBOX_FB_START_PTR % PAGE_SIZE) = XBOX_FB_START;
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/* clear the screen */
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iptr = (uint32_t*)sc->sc_framebuffer;
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for (i = 0; i < sc->sc_height * sc->sc_width; i++)
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*iptr++ = cmap[0];
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/* don't ever do this again! */
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adp->va_flags |= V_ADP_INITIALIZED;
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}
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vi->vi_mode = M_TEXT_80x25;
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vi->vi_cwidth = sc->sc_font->width;
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vi->vi_cheight = sc->sc_font->height;
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vi->vi_height = (sc->sc_height / vi->vi_cheight);
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vi->vi_width = (sc->sc_width / vi->vi_cwidth);
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vi->vi_flags = V_INFO_COLOR | V_INFO_LINEAR;
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vi->vi_mem_model = V_INFO_MM_DIRECT;
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adp->va_flags |= V_ADP_COLOR;
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if (vid_register(adp) < 0)
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return (ENXIO);
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adp->va_flags |= V_ADP_REGISTERED;
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return 0;
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}
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static int
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xboxfb_probe(int unit, video_adapter_t** adp, void* arg, int flags)
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{
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return 0;
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}
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static int
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xboxfb_configure(int flags)
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{
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struct xboxfb_softc* sc = &xboxfb_sc;
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/* Don't init the framebuffer on non-XBOX-es */
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if (!arch_i386_is_xbox)
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return 0;
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/*
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* If we do only a probe, we are in such an early boot stadium
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* that we cannot yet do a 'clean' initialization.
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*/
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if (flags & VIO_PROBE_ONLY) {
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xboxfb_init(0, &sc->sc_va, 0);
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return 1;
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}
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/* Do a clean mapping of the framebuffer memory */
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sc->sc_framebuffer = pmap_mapdev (XBOX_FB_START, XBOX_FB_SIZE);
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return 1;
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}
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static void
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sc_identify(driver_t* driver, device_t parent)
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{
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BUS_ADD_CHILD(parent, INT_MAX, SC_DRIVER_NAME, 0);
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}
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static int
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sc_probe(device_t dev)
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{
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device_set_desc(dev, "XBox System console");
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return (sc_probe_unit(device_get_unit(dev), device_get_flags(dev) | SC_AUTODETECT_KBD));
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}
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static int sc_attach(device_t dev)
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{
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return (sc_attach_unit(device_get_unit(dev), device_get_flags(dev) | SC_AUTODETECT_KBD));
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}
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static device_method_t sc_methods[] = {
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/* Device interface */
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DEVMETHOD(device_identify, sc_identify),
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DEVMETHOD(device_probe, sc_probe),
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DEVMETHOD(device_attach, sc_attach),
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{ 0, 0 }
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};
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static driver_t xboxfb_sc_driver = {
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SC_DRIVER_NAME,
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sc_methods,
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sizeof(sc_softc_t)
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};
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static devclass_t sc_devclass;
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DRIVER_MODULE(sc, legacy, xboxfb_sc_driver, sc_devclass, 0, 0);
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static void
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xbr_init(scr_stat* scp)
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{
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}
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static void
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xbr_clear(scr_stat* scp, int c, int attr)
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{
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}
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static void
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xbr_draw_border(scr_stat* scp, int color)
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{
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}
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static void
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xbr_draw(scr_stat* scp, int from, int count, int flip)
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{
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video_adapter_t* adp = scp->sc->adp;
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int i, c, a;
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if (!flip) {
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/* Normal printing */
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(*vidsw[scp->sc->adapter]->puts)(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count);
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} else {
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/* This is for selections and such: invert the color attribute */
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for (i = count; i-- > 0; ++from) {
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c = sc_vtb_getc(&scp->vtb, from);
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a = sc_vtb_geta(&scp->vtb, from) >> 8;
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(*vidsw[scp->sc->adapter]->putc)(adp, from, c, (a >> 4) | ((a & 0xf) << 4));
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}
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}
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}
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static void
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xbr_set_cursor(scr_stat* scp, int base, int height, int blink)
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{
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}
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static void
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xbr_draw_cursor(scr_stat* scp, int at, int blink, int on, int flip)
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{
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struct xboxfb_softc* sc = &xboxfb_sc;
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video_adapter_t* adp = scp->sc->adp;
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uint32_t* ptri = (uint32_t*)sc->sc_framebuffer;
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int row, col, i, j;
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if (scp->curs_attr.height <= 0)
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return;
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/* calculate the coordinates in the video buffer */
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row = (at / adp->va_info.vi_width) * adp->va_info.vi_cheight;
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col = (at % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
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ptri += (row * sc->sc_width) + col;
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/* our cursor consists of simply inverting the char under it */
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for (i = 0; i < adp->va_info.vi_cheight; i++) {
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for (j = 0; j < adp->va_info.vi_cwidth; j++) {
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*ptri++ ^= 0x00FFFFFF;
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}
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ptri += (sc->sc_width - adp->va_info.vi_cwidth);
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}
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}
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static void
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xbr_blink_cursor(scr_stat* scp, int at, int flip)
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{
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}
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static void
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xbr_set_mouse(scr_stat* scp)
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{
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}
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static void
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xbr_draw_mouse(scr_stat* scp, int x, int y, int on)
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{
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(*vidsw[scp->sc->adapter]->putm)(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8);
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}
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static int
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xboxfb_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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xboxfb_query_mode(video_adapter_t *adp, video_info_t *info)
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{
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return (ENODEV);
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}
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static int
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xboxfb_set_mode(video_adapter_t *adp, int mode)
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{
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return (0);
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}
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static int
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xboxfb_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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return (ENODEV);
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}
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static int
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xboxfb_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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return (ENODEV);
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}
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static int
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xboxfb_show_font(video_adapter_t *adp, int page)
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{
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return (ENODEV);
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}
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static int
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xboxfb_save_palette(video_adapter_t *adp, u_char *palette)
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{
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return (ENODEV);
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}
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static int
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xboxfb_load_palette(video_adapter_t *adp, u_char *palette)
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{
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return (ENODEV);
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}
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static int
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xboxfb_set_border(video_adapter_t *adp, int border)
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{
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return (0);
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}
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static int
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xboxfb_save_state(video_adapter_t *adp, void *p, size_t size)
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{
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return (ENODEV);
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}
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static int
|
|
xboxfb_load_state(video_adapter_t *adp, void *p)
|
|
{
|
|
return (ENODEV);
|
|
}
|
|
|
|
static int
|
|
xboxfb_set_win_org(video_adapter_t *adp, off_t offset)
|
|
{
|
|
return (ENODEV);
|
|
}
|
|
|
|
static int
|
|
xboxfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
|
|
{
|
|
*col = 0;
|
|
*row = 0;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
xboxfb_set_hw_cursor(video_adapter_t *adp, int col, int row)
|
|
{
|
|
return (ENODEV);
|
|
}
|
|
|
|
static int
|
|
xboxfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
|
|
int celsize, int blink)
|
|
{
|
|
return (ENODEV);
|
|
}
|
|
|
|
static int
|
|
xboxfb_blank_display(video_adapter_t *adp, int mode)
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
xboxfb_mmap(video_adapter_t *adp, vm_offset_t offset, vm_paddr_t *paddr,
|
|
int prot)
|
|
{
|
|
return (EINVAL);
|
|
}
|
|
|
|
static int
|
|
xboxfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
|
|
{
|
|
return (fb_commonioctl(adp, cmd, data));
|
|
}
|
|
|
|
static int
|
|
xboxfb_clear(video_adapter_t *adp)
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
xboxfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
xboxfb_bitblt(video_adapter_t *adp, ...)
|
|
{
|
|
return (ENODEV);
|
|
}
|
|
|
|
static int
|
|
xboxfb_diag(video_adapter_t *adp, int level)
|
|
{
|
|
video_info_t info;
|
|
|
|
fb_dump_adp_info(adp->va_name, adp, level);
|
|
xboxfb_get_info(adp, 0, &info);
|
|
fb_dump_mode_info(adp->va_name, adp, &info, level);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
xboxfb_save_cursor_palette(video_adapter_t *adp, u_char *palette)
|
|
{
|
|
return (ENODEV);
|
|
}
|
|
|
|
static int
|
|
xboxfb_load_cursor_palette(video_adapter_t *adp, u_char *palette)
|
|
{
|
|
return (ENODEV);
|
|
}
|
|
|
|
static int
|
|
xboxfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
|
|
{
|
|
return (ENODEV);
|
|
}
|
|
|
|
static int
|
|
xboxfb_putp(video_adapter_t *adp, vm_offset_t off, u_int32_t p, u_int32_t a,
|
|
int size, int bpp, int bit_ltor, int byte_ltor)
|
|
{
|
|
return (ENODEV);
|
|
}
|
|
|
|
static int
|
|
xboxfb_putc(video_adapter_t *adp, vm_offset_t off, u_int8_t c, u_int8_t a)
|
|
{
|
|
int row, col;
|
|
int i, j;
|
|
struct xboxfb_softc* sc = &xboxfb_sc;
|
|
uint32_t* ptri = (uint32_t*)sc->sc_framebuffer;
|
|
uint8_t* fontdata;
|
|
uint32_t clr;
|
|
uint8_t mask;
|
|
|
|
/* calculate the position in the frame buffer */
|
|
row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
|
|
col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
|
|
fontdata = &sc->sc_font->data[c * adp->va_info.vi_cheight];
|
|
ptri += (row * sc->sc_width) + col;
|
|
|
|
/* Place the character on the screen, pixel by pixel */
|
|
for (j = 0; j < adp->va_info.vi_cheight; j++) {
|
|
mask = 0x80;
|
|
for (i = 0; i < adp->va_info.vi_cwidth; i++) {
|
|
clr = (*fontdata & mask) ? cmap[a & 0xf] : cmap[(a >> 4) & 0xf];
|
|
*ptri++ = clr;
|
|
mask >>= 1;
|
|
}
|
|
ptri += (sc->sc_width - adp->va_info.vi_cwidth);
|
|
fontdata++;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
xboxfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < len; i++) {
|
|
(*vidsw[adp->va_index]->putc)(adp, off + i, s[i] & 0xff,
|
|
(s[i] & 0xff00) >> 8);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
xboxfb_putm(video_adapter_t *adp, int x, int y, u_int8_t *pixel_image,
|
|
u_int32_t pixel_mask, int size, int width)
|
|
{
|
|
struct xboxfb_softc* sc = &xboxfb_sc;
|
|
uint32_t* ptri = (uint32_t*)sc->sc_framebuffer;
|
|
int i, j;
|
|
|
|
if (x < 0 || y < 0 || x + width > sc->sc_width || y + (2 * size) > sc->sc_height)
|
|
return 0;
|
|
|
|
ptri += (y * sc->sc_width) + x;
|
|
|
|
/* plot the mousecursor wherever the user wants it */
|
|
for (j = 0; j < size; j++) {
|
|
for (i = width; i > 0; i--) {
|
|
if (pixel_image[j] & (1 << i))
|
|
*ptri = cmap[0xf];
|
|
ptri++;
|
|
}
|
|
ptri += (sc->sc_width - width);
|
|
}
|
|
return (0);
|
|
}
|