| Current Path : /sys/i386/xbox/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/i386/xbox/xboxfb.c |
/*-
* Copyright (c) 2005, 2006 Rink Springer <rink@il.fontys.nl>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/i386/xbox/xboxfb.c 201223 2009-12-29 21:51:28Z rnoland $");
/*
* This is the syscon(4)-ized version of the Xbox Frame Buffer driver. It
* supports about all features required, such as mouse support.
*
* A lot of functions that are not useful to us have not been implemented.
* It appears that some functions are never called, but these implementations
* are here nevertheless.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <vm/vm_param.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/cons.h>
#include <sys/module.h>
#include <sys/conf.h>
#include <sys/consio.h>
#include <sys/limits.h>
#include <sys/tty.h>
#include <sys/kbio.h>
#include <sys/fbio.h>
#include <dev/kbd/kbdreg.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <machine/bus.h>
#include <machine/xbox.h>
#include <machine/legacyvar.h>
#include <dev/fb/fbreg.h>
#include <dev/fb/gfb.h>
#include <dev/syscons/syscons.h>
struct xboxfb_softc {
video_adapter_t sc_va;
/* screen height (pixels) */
uint32_t sc_height;
/* screen width (pixels) */
uint32_t sc_width;
/* pointer to the actual XBOX video memory */
char* sc_framebuffer;
/* pointer to the font used */
const struct gfb_font* sc_font;
};
#define SCREEN_WIDTH 640
#define SCREEN_HEIGHT 480
#define XBOXFB_DRIVER_NAME "xboxsc"
extern const struct gfb_font bold8x16;
static vi_probe_t xboxfb_probe;
static vi_init_t xboxfb_init;
static vi_get_info_t xboxfb_get_info;
static vi_query_mode_t xboxfb_query_mode;
static vi_set_mode_t xboxfb_set_mode;
static vi_save_font_t xboxfb_save_font;
static vi_load_font_t xboxfb_load_font;
static vi_show_font_t xboxfb_show_font;
static vi_save_palette_t xboxfb_save_palette;
static vi_load_palette_t xboxfb_load_palette;
static vi_set_border_t xboxfb_set_border;
static vi_save_state_t xboxfb_save_state;
static vi_load_state_t xboxfb_load_state;
static vi_set_win_org_t xboxfb_set_win_org;
static vi_read_hw_cursor_t xboxfb_read_hw_cursor;
static vi_set_hw_cursor_t xboxfb_set_hw_cursor;
static vi_set_hw_cursor_shape_t xboxfb_set_hw_cursor_shape;
static vi_blank_display_t xboxfb_blank_display;
static vi_mmap_t xboxfb_mmap;
static vi_ioctl_t xboxfb_ioctl;
static vi_clear_t xboxfb_clear;
static vi_fill_rect_t xboxfb_fill_rect;
static vi_bitblt_t xboxfb_bitblt;
static vi_diag_t xboxfb_diag;
static vi_save_cursor_palette_t xboxfb_save_cursor_palette;
static vi_load_cursor_palette_t xboxfb_load_cursor_palette;
static vi_copy_t xboxfb_copy;
static vi_putp_t xboxfb_putp;
static vi_putc_t xboxfb_putc;
static vi_puts_t xboxfb_puts;
static vi_putm_t xboxfb_putm;
static video_switch_t xboxvidsw = {
.probe = xboxfb_probe,
.init = xboxfb_init,
.get_info = xboxfb_get_info,
.query_mode = xboxfb_query_mode,
.set_mode = xboxfb_set_mode,
.save_font = xboxfb_save_font,
.load_font = xboxfb_load_font,
.show_font = xboxfb_show_font,
.save_palette = xboxfb_save_palette,
.load_palette = xboxfb_load_palette,
.set_border = xboxfb_set_border,
.save_state = xboxfb_save_state,
.load_state = xboxfb_load_state,
.set_win_org = xboxfb_set_win_org,
.read_hw_cursor = xboxfb_read_hw_cursor,
.set_hw_cursor = xboxfb_set_hw_cursor,
.set_hw_cursor_shape = xboxfb_set_hw_cursor_shape,
.blank_display = xboxfb_blank_display,
.mmap = xboxfb_mmap,
.ioctl = xboxfb_ioctl,
.clear = xboxfb_clear,
.fill_rect = xboxfb_fill_rect,
.bitblt = xboxfb_bitblt,
NULL,
NULL,
.diag = xboxfb_diag,
.save_cursor_palette = xboxfb_save_cursor_palette,
.load_cursor_palette = xboxfb_load_cursor_palette,
.copy = xboxfb_copy,
.putp = xboxfb_putp,
.putc = xboxfb_putc,
.puts = xboxfb_puts,
.putm = xboxfb_putm
};
static int xboxfb_configure(int flags);
VIDEO_DRIVER(xboxsc, xboxvidsw, xboxfb_configure);
static vr_init_t xbr_init;
static vr_clear_t xbr_clear;
static vr_draw_border_t xbr_draw_border;
static vr_draw_t xbr_draw;
static vr_set_cursor_t xbr_set_cursor;
static vr_draw_cursor_t xbr_draw_cursor;
static vr_blink_cursor_t xbr_blink_cursor;
static vr_set_mouse_t xbr_set_mouse;
static vr_draw_mouse_t xbr_draw_mouse;
/*
* We use our own renderer; this is because we must emulate a hardware
* cursor.
*/
static sc_rndr_sw_t xboxrend = {
xbr_init,
xbr_clear,
xbr_draw_border,
xbr_draw,
xbr_set_cursor,
xbr_draw_cursor,
xbr_blink_cursor,
xbr_set_mouse,
xbr_draw_mouse
};
RENDERER(xboxsc, 0, xboxrend, gfb_set);
static struct xboxfb_softc xboxfb_sc;
/* color mappings, from dev/fb/creator.c */
static const uint32_t cmap[] = {
0x00000000, /* black */
0x000000ff, /* blue */
0x0000ff00, /* green */
0x0000c0c0, /* cyan */
0x00ff0000, /* red */
0x00c000c0, /* magenta */
0x00c0c000, /* brown */
0x00c0c0c0, /* light grey */
0x00808080, /* dark grey */
0x008080ff, /* light blue */
0x0080ff80, /* light green */
0x0080ffff, /* light cyan */
0x00ff8080, /* light red */
0x00ff80ff, /* light magenta */
0x00ffff80, /* yellow */
0x00ffffff /* white */
};
/* mouse pointer from dev/syscons/scgfbrndr.c */
static u_char mouse_pointer[16] = {
0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68,
0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00
};
static int
xboxfb_init(int unit, video_adapter_t* adp, int flags)
{
struct xboxfb_softc* sc = &xboxfb_sc;
video_info_t* vi;
int i;
int* iptr;
vi = &adp->va_info;
vid_init_struct (adp, XBOXFB_DRIVER_NAME, -1, unit);
sc->sc_height = SCREEN_HEIGHT;
sc->sc_width = SCREEN_WIDTH;
sc->sc_font = &bold8x16;
if (!(adp->va_flags & V_ADP_INITIALIZED)) {
/*
* We must make a mapping from video framebuffer memory
* to real. This is very crude: we map the entire
* videomemory to PAGE_SIZE! Since our kernel lives at
* it's relocated address range (0xc0xxxxxx), it won't
* care.
*
* We use address PAGE_SIZE and up so we can still trap
* NULL pointers. Once the real init is called, the
* mapping will be done via the OS and stored in a more
* sensible location ... but since we're not fully
* initialized, this is our only way to go :-(
*/
for (i = 0; i < (XBOX_FB_SIZE / PAGE_SIZE); i++) {
pmap_kenter (((i + 1) * PAGE_SIZE), XBOX_FB_START + (i * PAGE_SIZE));
}
pmap_kenter ((i + 1) * PAGE_SIZE, XBOX_FB_START_PTR - XBOX_FB_START_PTR % PAGE_SIZE);
sc->sc_framebuffer = (char*)PAGE_SIZE;
/* ensure the framebuffer is where we want it to be */
*(uint32_t*)((i + 1) * PAGE_SIZE + XBOX_FB_START_PTR % PAGE_SIZE) = XBOX_FB_START;
/* clear the screen */
iptr = (uint32_t*)sc->sc_framebuffer;
for (i = 0; i < sc->sc_height * sc->sc_width; i++)
*iptr++ = cmap[0];
/* don't ever do this again! */
adp->va_flags |= V_ADP_INITIALIZED;
}
vi->vi_mode = M_TEXT_80x25;
vi->vi_cwidth = sc->sc_font->width;
vi->vi_cheight = sc->sc_font->height;
vi->vi_height = (sc->sc_height / vi->vi_cheight);
vi->vi_width = (sc->sc_width / vi->vi_cwidth);
vi->vi_flags = V_INFO_COLOR | V_INFO_LINEAR;
vi->vi_mem_model = V_INFO_MM_DIRECT;
adp->va_flags |= V_ADP_COLOR;
if (vid_register(adp) < 0)
return (ENXIO);
adp->va_flags |= V_ADP_REGISTERED;
return 0;
}
static int
xboxfb_probe(int unit, video_adapter_t** adp, void* arg, int flags)
{
return 0;
}
static int
xboxfb_configure(int flags)
{
struct xboxfb_softc* sc = &xboxfb_sc;
/* Don't init the framebuffer on non-XBOX-es */
if (!arch_i386_is_xbox)
return 0;
/*
* If we do only a probe, we are in such an early boot stadium
* that we cannot yet do a 'clean' initialization.
*/
if (flags & VIO_PROBE_ONLY) {
xboxfb_init(0, &sc->sc_va, 0);
return 1;
}
/* Do a clean mapping of the framebuffer memory */
sc->sc_framebuffer = pmap_mapdev (XBOX_FB_START, XBOX_FB_SIZE);
return 1;
}
static void
sc_identify(driver_t* driver, device_t parent)
{
BUS_ADD_CHILD(parent, INT_MAX, SC_DRIVER_NAME, 0);
}
static int
sc_probe(device_t dev)
{
device_set_desc(dev, "XBox System console");
return (sc_probe_unit(device_get_unit(dev), device_get_flags(dev) | SC_AUTODETECT_KBD));
}
static int sc_attach(device_t dev)
{
return (sc_attach_unit(device_get_unit(dev), device_get_flags(dev) | SC_AUTODETECT_KBD));
}
static device_method_t sc_methods[] = {
/* Device interface */
DEVMETHOD(device_identify, sc_identify),
DEVMETHOD(device_probe, sc_probe),
DEVMETHOD(device_attach, sc_attach),
{ 0, 0 }
};
static driver_t xboxfb_sc_driver = {
SC_DRIVER_NAME,
sc_methods,
sizeof(sc_softc_t)
};
static devclass_t sc_devclass;
DRIVER_MODULE(sc, legacy, xboxfb_sc_driver, sc_devclass, 0, 0);
static void
xbr_init(scr_stat* scp)
{
}
static void
xbr_clear(scr_stat* scp, int c, int attr)
{
}
static void
xbr_draw_border(scr_stat* scp, int color)
{
}
static void
xbr_draw(scr_stat* scp, int from, int count, int flip)
{
video_adapter_t* adp = scp->sc->adp;
int i, c, a;
if (!flip) {
/* Normal printing */
vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count);
} else {
/* This is for selections and such: invert the color attribute */
for (i = count; i-- > 0; ++from) {
c = sc_vtb_getc(&scp->vtb, from);
a = sc_vtb_geta(&scp->vtb, from) >> 8;
vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4));
}
}
}
static void
xbr_set_cursor(scr_stat* scp, int base, int height, int blink)
{
}
static void
xbr_draw_cursor(scr_stat* scp, int at, int blink, int on, int flip)
{
struct xboxfb_softc* sc = &xboxfb_sc;
video_adapter_t* adp = scp->sc->adp;
uint32_t* ptri = (uint32_t*)sc->sc_framebuffer;
int row, col, i, j;
if (scp->curs_attr.height <= 0)
return;
/* calculate the coordinates in the video buffer */
row = (at / adp->va_info.vi_width) * adp->va_info.vi_cheight;
col = (at % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
ptri += (row * sc->sc_width) + col;
/* our cursor consists of simply inverting the char under it */
for (i = 0; i < adp->va_info.vi_cheight; i++) {
for (j = 0; j < adp->va_info.vi_cwidth; j++) {
*ptri++ ^= 0x00FFFFFF;
}
ptri += (sc->sc_width - adp->va_info.vi_cwidth);
}
}
static void
xbr_blink_cursor(scr_stat* scp, int at, int flip)
{
}
static void
xbr_set_mouse(scr_stat* scp)
{
}
static void
xbr_draw_mouse(scr_stat* scp, int x, int y, int on)
{
vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8);
}
static int
xboxfb_get_info(video_adapter_t *adp, int mode, video_info_t *info)
{
bcopy(&adp->va_info, info, sizeof(*info));
return (0);
}
static int
xboxfb_query_mode(video_adapter_t *adp, video_info_t *info)
{
return (ENODEV);
}
static int
xboxfb_set_mode(video_adapter_t *adp, int mode)
{
return (0);
}
static int
xboxfb_save_font(video_adapter_t *adp, int page, int size, int width,
u_char *data, int c, int count)
{
return (ENODEV);
}
static int
xboxfb_load_font(video_adapter_t *adp, int page, int size, int width,
u_char *data, int c, int count)
{
return (ENODEV);
}
static int
xboxfb_show_font(video_adapter_t *adp, int page)
{
return (ENODEV);
}
static int
xboxfb_save_palette(video_adapter_t *adp, u_char *palette)
{
return (ENODEV);
}
static int
xboxfb_load_palette(video_adapter_t *adp, u_char *palette)
{
return (ENODEV);
}
static int
xboxfb_set_border(video_adapter_t *adp, int border)
{
return (0);
}
static int
xboxfb_save_state(video_adapter_t *adp, void *p, size_t size)
{
return (ENODEV);
}
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_ooffset_t offset, vm_paddr_t *paddr,
int prot, vm_memattr_t *memattr)
{
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;
const 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++) {
vidd_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);
}