1/*- 2 * Copyright (c) 2005, 2006 Rink Springer <rink@il.fontys.nl> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> 29__FBSDID("$FreeBSD$"); 30 31/* 32 * This is the syscon(4)-ized version of the Xbox Frame Buffer driver. It 33 * supports about all features required, such as mouse support. 34 * 35 * A lot of functions that are not useful to us have not been implemented. 36 * It appears that some functions are never called, but these implementations 37 * are here nevertheless. 38 */ 39#include <sys/param.h> 40#include <sys/systm.h> 41#include <vm/vm_param.h> 42#include <sys/kernel.h> 43#include <sys/bus.h> 44#include <sys/cons.h> 45#include <sys/module.h> 46#include <sys/conf.h> 47#include <sys/consio.h> 48#include <sys/limits.h> 49#include <sys/tty.h> 50#include <sys/kbio.h> 51#include <sys/fbio.h> 52#include <dev/kbd/kbdreg.h> 53#include <vm/vm.h> 54#include <vm/pmap.h> 55#include <machine/bus.h> 56#include <machine/xbox.h> 57#include <x86/legacyvar.h> 58#include <dev/fb/fbreg.h> 59#include <dev/fb/gfb.h> 60#include <dev/syscons/syscons.h> 61 62struct xboxfb_softc { 63 video_adapter_t sc_va; 64 65 /* screen height (pixels) */ 66 uint32_t sc_height; 67 68 /* screen width (pixels) */ 69 uint32_t sc_width; 70 71 /* pointer to the actual XBOX video memory */ 72 char* sc_framebuffer; 73 74 /* pointer to the font used */ 75 const struct gfb_font* sc_font; 76}; 77 78#define SCREEN_WIDTH 640 79#define SCREEN_HEIGHT 480 80 81#define XBOXFB_DRIVER_NAME "xboxsc" 82 83extern const struct gfb_font bold8x16; 84 85static vi_probe_t xboxfb_probe; 86static vi_init_t xboxfb_init; 87static vi_get_info_t xboxfb_get_info; 88static vi_query_mode_t xboxfb_query_mode; 89static vi_set_mode_t xboxfb_set_mode; 90static vi_save_font_t xboxfb_save_font; 91static vi_load_font_t xboxfb_load_font; 92static vi_show_font_t xboxfb_show_font; 93static vi_save_palette_t xboxfb_save_palette; 94static vi_load_palette_t xboxfb_load_palette; 95static vi_set_border_t xboxfb_set_border; 96static vi_save_state_t xboxfb_save_state; 97static vi_load_state_t xboxfb_load_state; 98static vi_set_win_org_t xboxfb_set_win_org; 99static vi_read_hw_cursor_t xboxfb_read_hw_cursor; 100static vi_set_hw_cursor_t xboxfb_set_hw_cursor; 101static vi_set_hw_cursor_shape_t xboxfb_set_hw_cursor_shape; 102static vi_blank_display_t xboxfb_blank_display; 103static vi_mmap_t xboxfb_mmap; 104static vi_ioctl_t xboxfb_ioctl; 105static vi_clear_t xboxfb_clear; 106static vi_fill_rect_t xboxfb_fill_rect; 107static vi_bitblt_t xboxfb_bitblt; 108static vi_diag_t xboxfb_diag; 109static vi_save_cursor_palette_t xboxfb_save_cursor_palette; 110static vi_load_cursor_palette_t xboxfb_load_cursor_palette; 111static vi_copy_t xboxfb_copy; 112static vi_putp_t xboxfb_putp; 113static vi_putc_t xboxfb_putc; 114static vi_puts_t xboxfb_puts; 115static vi_putm_t xboxfb_putm; 116 117static video_switch_t xboxvidsw = { 118 .probe = xboxfb_probe, 119 .init = xboxfb_init, 120 .get_info = xboxfb_get_info, 121 .query_mode = xboxfb_query_mode, 122 .set_mode = xboxfb_set_mode, 123 .save_font = xboxfb_save_font, 124 .load_font = xboxfb_load_font, 125 .show_font = xboxfb_show_font, 126 .save_palette = xboxfb_save_palette, 127 .load_palette = xboxfb_load_palette, 128 .set_border = xboxfb_set_border, 129 .save_state = xboxfb_save_state, 130 .load_state = xboxfb_load_state, 131 .set_win_org = xboxfb_set_win_org, 132 .read_hw_cursor = xboxfb_read_hw_cursor, 133 .set_hw_cursor = xboxfb_set_hw_cursor, 134 .set_hw_cursor_shape = xboxfb_set_hw_cursor_shape, 135 .blank_display = xboxfb_blank_display, 136 .mmap = xboxfb_mmap, 137 .ioctl = xboxfb_ioctl, 138 .clear = xboxfb_clear, 139 .fill_rect = xboxfb_fill_rect, 140 .bitblt = xboxfb_bitblt, 141 NULL, 142 NULL, 143 .diag = xboxfb_diag, 144 .save_cursor_palette = xboxfb_save_cursor_palette, 145 .load_cursor_palette = xboxfb_load_cursor_palette, 146 .copy = xboxfb_copy, 147 .putp = xboxfb_putp, 148 .putc = xboxfb_putc, 149 .puts = xboxfb_puts, 150 .putm = xboxfb_putm 151}; 152 153static int xboxfb_configure(int flags); 154VIDEO_DRIVER(xboxsc, xboxvidsw, xboxfb_configure); 155 156static vr_init_t xbr_init; 157static vr_clear_t xbr_clear; 158static vr_draw_border_t xbr_draw_border; 159static vr_draw_t xbr_draw; 160static vr_set_cursor_t xbr_set_cursor; 161static vr_draw_cursor_t xbr_draw_cursor; 162static vr_blink_cursor_t xbr_blink_cursor; 163static vr_set_mouse_t xbr_set_mouse; 164static vr_draw_mouse_t xbr_draw_mouse; 165 166/* 167 * We use our own renderer; this is because we must emulate a hardware 168 * cursor. 169 */ 170static sc_rndr_sw_t xboxrend = { 171 xbr_init, 172 xbr_clear, 173 xbr_draw_border, 174 xbr_draw, 175 xbr_set_cursor, 176 xbr_draw_cursor, 177 xbr_blink_cursor, 178 xbr_set_mouse, 179 xbr_draw_mouse 180}; 181RENDERER(xboxsc, 0, xboxrend, gfb_set); 182 183static struct xboxfb_softc xboxfb_sc; 184 185/* color mappings, from dev/fb/creator.c */ 186static const uint32_t cmap[] = { 187 0x00000000, /* black */ 188 0x000000ff, /* blue */ 189 0x0000ff00, /* green */ 190 0x0000c0c0, /* cyan */ 191 0x00ff0000, /* red */ 192 0x00c000c0, /* magenta */ 193 0x00c0c000, /* brown */ 194 0x00c0c0c0, /* light grey */ 195 0x00808080, /* dark grey */ 196 0x008080ff, /* light blue */ 197 0x0080ff80, /* light green */ 198 0x0080ffff, /* light cyan */ 199 0x00ff8080, /* light red */ 200 0x00ff80ff, /* light magenta */ 201 0x00ffff80, /* yellow */ 202 0x00ffffff /* white */ 203}; 204 205/* mouse pointer from dev/syscons/scgfbrndr.c */ 206static u_char mouse_pointer[16] = { 207 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68, 208 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00 209}; 210 211static int 212xboxfb_init(int unit, video_adapter_t* adp, int flags) 213{ 214 struct xboxfb_softc* sc = &xboxfb_sc; 215 video_info_t* vi; 216 int i; 217 int* iptr; 218 219 vi = &adp->va_info; 220 221 vid_init_struct (adp, XBOXFB_DRIVER_NAME, -1, unit); 222 sc->sc_height = SCREEN_HEIGHT; 223 sc->sc_width = SCREEN_WIDTH; 224 sc->sc_font = &bold8x16; 225 if (!(adp->va_flags & V_ADP_INITIALIZED)) { 226 /* 227 * We must make a mapping from video framebuffer memory 228 * to real. This is very crude: we map the entire 229 * videomemory to PAGE_SIZE! Since our kernel lives at 230 * it's relocated address range (0xc0xxxxxx), it won't 231 * care. 232 * 233 * We use address PAGE_SIZE and up so we can still trap 234 * NULL pointers. Once the real init is called, the 235 * mapping will be done via the OS and stored in a more 236 * sensible location ... but since we're not fully 237 * initialized, this is our only way to go :-( 238 */ 239 for (i = 0; i < (XBOX_FB_SIZE / PAGE_SIZE); i++) { 240 pmap_kenter (((i + 1) * PAGE_SIZE), XBOX_FB_START + (i * PAGE_SIZE)); 241 } 242 pmap_kenter ((i + 1) * PAGE_SIZE, XBOX_FB_START_PTR - XBOX_FB_START_PTR % PAGE_SIZE); 243 sc->sc_framebuffer = (char*)PAGE_SIZE; 244 245 /* ensure the framebuffer is where we want it to be */ 246 *(uint32_t*)((i + 1) * PAGE_SIZE + XBOX_FB_START_PTR % PAGE_SIZE) = XBOX_FB_START; 247 248 /* clear the screen */ 249 iptr = (uint32_t*)sc->sc_framebuffer; 250 for (i = 0; i < sc->sc_height * sc->sc_width; i++) 251 *iptr++ = cmap[0]; 252 253 /* don't ever do this again! */ 254 adp->va_flags |= V_ADP_INITIALIZED; 255 } 256 257 vi->vi_mode = M_TEXT_80x25; 258 vi->vi_cwidth = sc->sc_font->width; 259 vi->vi_cheight = sc->sc_font->height; 260 vi->vi_height = (sc->sc_height / vi->vi_cheight); 261 vi->vi_width = (sc->sc_width / vi->vi_cwidth); 262 vi->vi_flags = V_INFO_COLOR | V_INFO_LINEAR; 263 vi->vi_mem_model = V_INFO_MM_DIRECT; 264 265 adp->va_flags |= V_ADP_COLOR; 266 267 if (vid_register(adp) < 0) 268 return (ENXIO); 269 270 adp->va_flags |= V_ADP_REGISTERED; 271 272 return 0; 273} 274 275static int 276xboxfb_probe(int unit, video_adapter_t** adp, void* arg, int flags) 277{ 278 return 0; 279} 280 281static int 282xboxfb_configure(int flags) 283{ 284 struct xboxfb_softc* sc = &xboxfb_sc; 285 286 /* Don't init the framebuffer on non-XBOX-es */ 287 if (!arch_i386_is_xbox) 288 return 0; 289 290 /* 291 * If we do only a probe, we are in such an early boot stadium 292 * that we cannot yet do a 'clean' initialization. 293 */ 294 if (flags & VIO_PROBE_ONLY) { 295 xboxfb_init(0, &sc->sc_va, 0); 296 return 1; 297 } 298 299 /* Do a clean mapping of the framebuffer memory */ 300 sc->sc_framebuffer = pmap_mapdev (XBOX_FB_START, XBOX_FB_SIZE); 301 return 1; 302} 303 304static void 305sc_identify(driver_t* driver, device_t parent) 306{ 307 BUS_ADD_CHILD(parent, INT_MAX, SC_DRIVER_NAME, 0); 308} 309 310static int 311sc_probe(device_t dev) 312{ 313 device_set_desc(dev, "XBox System console"); 314 return (sc_probe_unit(device_get_unit(dev), device_get_flags(dev) | SC_AUTODETECT_KBD)); 315} 316 317static int sc_attach(device_t dev) 318{ 319 return (sc_attach_unit(device_get_unit(dev), device_get_flags(dev) | SC_AUTODETECT_KBD)); 320} 321 322static device_method_t sc_methods[] = { 323 /* Device interface */ 324 DEVMETHOD(device_identify, sc_identify), 325 DEVMETHOD(device_probe, sc_probe), 326 DEVMETHOD(device_attach, sc_attach), 327 { 0, 0 } 328}; 329 330static driver_t xboxfb_sc_driver = { 331 SC_DRIVER_NAME, 332 sc_methods, 333 sizeof(sc_softc_t) 334}; 335 336static devclass_t sc_devclass; 337 338DRIVER_MODULE(sc, legacy, xboxfb_sc_driver, sc_devclass, 0, 0); 339 340static void 341xbr_init(scr_stat* scp) 342{ 343} 344 345static void 346xbr_clear(scr_stat* scp, int c, int attr) 347{ 348} 349 350static void 351xbr_draw_border(scr_stat* scp, int color) 352{ 353} 354 355static void 356xbr_draw(scr_stat* scp, int from, int count, int flip) 357{ 358 video_adapter_t* adp = scp->sc->adp; 359 int i, c, a; 360 361 if (!flip) { 362 /* Normal printing */ 363 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count); 364 } else { 365 /* This is for selections and such: invert the color attribute */ 366 for (i = count; i-- > 0; ++from) { 367 c = sc_vtb_getc(&scp->vtb, from); 368 a = sc_vtb_geta(&scp->vtb, from) >> 8; 369 vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4)); 370 } 371 } 372} 373 374static void 375xbr_set_cursor(scr_stat* scp, int base, int height, int blink) 376{ 377} 378 379static void 380xbr_draw_cursor(scr_stat* scp, int at, int blink, int on, int flip) 381{ 382 struct xboxfb_softc* sc = &xboxfb_sc; 383 video_adapter_t* adp = scp->sc->adp; 384 uint32_t* ptri = (uint32_t*)sc->sc_framebuffer; 385 int row, col, i, j; 386 387 if (scp->curs_attr.height <= 0) 388 return; 389 390 /* calculate the coordinates in the video buffer */ 391 row = (at / adp->va_info.vi_width) * adp->va_info.vi_cheight; 392 col = (at % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 393 ptri += (row * sc->sc_width) + col; 394 395 /* our cursor consists of simply inverting the char under it */ 396 for (i = 0; i < adp->va_info.vi_cheight; i++) { 397 for (j = 0; j < adp->va_info.vi_cwidth; j++) { 398 *ptri++ ^= 0x00FFFFFF; 399 } 400 ptri += (sc->sc_width - adp->va_info.vi_cwidth); 401 } 402} 403 404static void 405xbr_blink_cursor(scr_stat* scp, int at, int flip) 406{ 407} 408 409static void 410xbr_set_mouse(scr_stat* scp) 411{ 412} 413 414static void 415xbr_draw_mouse(scr_stat* scp, int x, int y, int on) 416{ 417 vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8); 418 419} 420 421static int 422xboxfb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 423{ 424 bcopy(&adp->va_info, info, sizeof(*info)); 425 return (0); 426} 427 428static int 429xboxfb_query_mode(video_adapter_t *adp, video_info_t *info) 430{ 431 return (ENODEV); 432} 433 434static int 435xboxfb_set_mode(video_adapter_t *adp, int mode) 436{ 437 return (0); 438} 439 440static int 441xboxfb_save_font(video_adapter_t *adp, int page, int size, int width, 442 u_char *data, int c, int count) 443{ 444 return (ENODEV); 445} 446 447static int 448xboxfb_load_font(video_adapter_t *adp, int page, int size, int width, 449 u_char *data, int c, int count) 450{ 451 return (ENODEV); 452} 453 454static int 455xboxfb_show_font(video_adapter_t *adp, int page) 456{ 457 return (ENODEV); 458} 459 460static int 461xboxfb_save_palette(video_adapter_t *adp, u_char *palette) 462{ 463 return (ENODEV); 464} 465 466static int 467xboxfb_load_palette(video_adapter_t *adp, u_char *palette) 468{ 469 return (ENODEV); 470} 471 472static int 473xboxfb_set_border(video_adapter_t *adp, int border) 474{ 475 return (0); 476} 477 478static int 479xboxfb_save_state(video_adapter_t *adp, void *p, size_t size) 480{ 481 return (ENODEV); 482} 483 484static int 485xboxfb_load_state(video_adapter_t *adp, void *p) 486{ 487 return (ENODEV); 488} 489 490static int 491xboxfb_set_win_org(video_adapter_t *adp, off_t offset) 492{ 493 return (ENODEV); 494} 495 496static int 497xboxfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 498{ 499 *col = 0; 500 *row = 0; 501 return (0); 502} 503 504static int 505xboxfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 506{ 507 return (ENODEV); 508} 509 510static int 511xboxfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 512 int celsize, int blink) 513{ 514 return (ENODEV); 515} 516 517static int 518xboxfb_blank_display(video_adapter_t *adp, int mode) 519{ 520 return (0); 521} 522 523static int 524xboxfb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 525 int prot, vm_memattr_t *memattr) 526{ 527 return (EINVAL); 528} 529 530static int 531xboxfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 532{ 533 return (fb_commonioctl(adp, cmd, data)); 534} 535 536static int 537xboxfb_clear(video_adapter_t *adp) 538{ 539 return (0); 540} 541 542static int 543xboxfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 544{ 545 return (0); 546} 547 548static int 549xboxfb_bitblt(video_adapter_t *adp, ...) 550{ 551 return (ENODEV); 552} 553 554static int 555xboxfb_diag(video_adapter_t *adp, int level) 556{ 557 video_info_t info; 558 559 fb_dump_adp_info(adp->va_name, adp, level); 560 xboxfb_get_info(adp, 0, &info); 561 fb_dump_mode_info(adp->va_name, adp, &info, level); 562 return (0); 563} 564 565static int 566xboxfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 567{ 568 return (ENODEV); 569} 570 571static int 572xboxfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 573{ 574 return (ENODEV); 575} 576 577static int 578xboxfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 579{ 580 return (ENODEV); 581} 582 583static int 584xboxfb_putp(video_adapter_t *adp, vm_offset_t off, u_int32_t p, u_int32_t a, 585 int size, int bpp, int bit_ltor, int byte_ltor) 586{ 587 return (ENODEV); 588} 589 590static int 591xboxfb_putc(video_adapter_t *adp, vm_offset_t off, u_int8_t c, u_int8_t a) 592{ 593 int row, col; 594 int i, j; 595 struct xboxfb_softc* sc = &xboxfb_sc; 596 uint32_t* ptri = (uint32_t*)sc->sc_framebuffer; 597 const uint8_t* fontdata; 598 uint32_t clr; 599 uint8_t mask; 600 601 /* calculate the position in the frame buffer */ 602 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 603 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 604 fontdata = &sc->sc_font->data[c * adp->va_info.vi_cheight]; 605 ptri += (row * sc->sc_width) + col; 606 607 /* Place the character on the screen, pixel by pixel */ 608 for (j = 0; j < adp->va_info.vi_cheight; j++) { 609 mask = 0x80; 610 for (i = 0; i < adp->va_info.vi_cwidth; i++) { 611 clr = (*fontdata & mask) ? cmap[a & 0xf] : cmap[(a >> 4) & 0xf]; 612 *ptri++ = clr; 613 mask >>= 1; 614 } 615 ptri += (sc->sc_width - adp->va_info.vi_cwidth); 616 fontdata++; 617 } 618 return (0); 619} 620 621static int 622xboxfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 623{ 624 int i; 625 626 for (i = 0; i < len; i++) { 627 vidd_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 628 } 629 return (0); 630} 631 632static int 633xboxfb_putm(video_adapter_t *adp, int x, int y, u_int8_t *pixel_image, 634 u_int32_t pixel_mask, int size, int width) 635{ 636 struct xboxfb_softc* sc = &xboxfb_sc; 637 uint32_t* ptri = (uint32_t*)sc->sc_framebuffer; 638 int i, j; 639 640 if (x < 0 || y < 0 || x + width > sc->sc_width || y + (2 * size) > sc->sc_height) 641 return 0; 642 643 ptri += (y * sc->sc_width) + x; 644 645 /* plot the mousecursor wherever the user wants it */ 646 for (j = 0; j < size; j++) { 647 for (i = width; i > 0; i--) { 648 if (pixel_image[j] & (1 << i)) 649 *ptri = cmap[0xf]; 650 ptri++; 651 } 652 ptri += (sc->sc_width - width); 653 } 654 return (0); 655} 656