1/*- 2 * Copyright (c) 2002 Bang Jun-Young 3 * Copyright (c) 2005 Marius Strobl <marius@FreeBSD.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * from: NetBSD: machfb.c,v 1.23 2005/03/07 21:45:24 martin Exp 29 */ 30 31#include <sys/cdefs.h> 32__FBSDID("$FreeBSD$"); 33 34/* 35 * Driver for ATI Mach64 graphics chips. Some code is derived from the 36 * ATI Rage Pro and Derivatives Programmer's Guide. 37 */ 38 39#include <sys/param.h> 40#include <sys/systm.h> 41#include <sys/bus.h> 42#include <sys/consio.h> 43#include <sys/endian.h> 44#include <sys/eventhandler.h> 45#include <sys/fbio.h> 46#include <sys/kernel.h> 47#include <sys/module.h> 48#include <sys/resource.h> 49 50#include <vm/vm.h> 51#include <vm/pmap.h> 52 53#include <dev/ofw/ofw_bus.h> 54#include <dev/ofw/openfirm.h> 55 56#include <machine/bus.h> 57#include <machine/bus_private.h> 58#include <machine/ofw_machdep.h> 59#include <machine/resource.h> 60#include <machine/sc_machdep.h> 61 62#include <sys/rman.h> 63 64#include <dev/fb/fbreg.h> 65#include <dev/fb/gfb.h> 66#include <dev/fb/machfbreg.h> 67#include <dev/pci/pcivar.h> 68#include <dev/pci/pcireg.h> 69#include <dev/syscons/syscons.h> 70 71/* #define MACHFB_DEBUG */ 72 73#define MACHFB_DRIVER_NAME "machfb" 74 75#define MACH64_REG_OFF 0x7ffc00 76#define MACH64_REG_SIZE 1024 77 78struct machfb_softc { 79 video_adapter_t sc_va; /* must be first */ 80 81 phandle_t sc_node; 82 uint16_t sc_chip_id; 83 uint8_t sc_chip_rev; 84 85 struct resource *sc_memres; 86 struct resource *sc_vmemres; 87 bus_space_tag_t sc_memt; 88 bus_space_tag_t sc_regt; 89 bus_space_tag_t sc_vmemt; 90 bus_space_handle_t sc_memh; 91 bus_space_handle_t sc_vmemh; 92 bus_space_handle_t sc_regh; 93 u_long sc_mem; 94 u_long sc_vmem; 95 96 u_int sc_height; 97 u_int sc_width; 98 u_int sc_depth; 99 u_int sc_xmargin; 100 u_int sc_ymargin; 101 102 size_t sc_memsize; 103 u_int sc_memtype; 104 u_int sc_mem_freq; 105 u_int sc_ramdac_freq; 106 u_int sc_ref_freq; 107 108 u_int sc_ref_div; 109 u_int sc_mclk_post_div; 110 u_int sc_mclk_fb_div; 111 112 const u_char *sc_font; 113 u_int sc_cbwidth; 114 vm_offset_t sc_curoff; 115 116 int sc_bg_cache; 117 int sc_fg_cache; 118 u_int sc_draw_cache; 119#define MACHFB_DRAW_CHAR (1 << 0) 120#define MACHFB_DRAW_FILLRECT (1 << 1) 121 122 u_int sc_flags; 123#define MACHFB_CONSOLE (1 << 0) 124#define MACHFB_CUREN (1 << 1) 125#define MACHFB_DSP (1 << 2) 126#define MACHFB_SWAP (1 << 3) 127}; 128 129static const struct { 130 uint16_t chip_id; 131 const char *name; 132 uint32_t ramdac_freq; 133} machfb_info[] = { 134 { ATI_MACH64_CT, "ATI Mach64 CT", 135000 }, 135 { ATI_RAGE_PRO_AGP, "ATI 3D Rage Pro (AGP)", 230000 }, 136 { ATI_RAGE_PRO_AGP1X, "ATI 3D Rage Pro (AGP 1x)", 230000 }, 137 { ATI_RAGE_PRO_PCI_B, "ATI 3D Rage Pro Turbo", 230000 }, 138 { ATI_RAGE_XC_PCI66, "ATI Rage XL (PCI66)", 230000 }, 139 { ATI_RAGE_XL_AGP, "ATI Rage XL (AGP)", 230000 }, 140 { ATI_RAGE_XC_AGP, "ATI Rage XC (AGP)", 230000 }, 141 { ATI_RAGE_XL_PCI66, "ATI Rage XL (PCI66)", 230000 }, 142 { ATI_RAGE_PRO_PCI_P, "ATI 3D Rage Pro", 230000 }, 143 { ATI_RAGE_PRO_PCI_L, "ATI 3D Rage Pro (limited 3D)", 230000 }, 144 { ATI_RAGE_XL_PCI, "ATI Rage XL", 230000 }, 145 { ATI_RAGE_XC_PCI, "ATI Rage XC", 230000 }, 146 { ATI_RAGE_II, "ATI 3D Rage I/II", 135000 }, 147 { ATI_RAGE_IIP, "ATI 3D Rage II+", 200000 }, 148 { ATI_RAGE_IIC_PCI, "ATI 3D Rage IIC", 230000 }, 149 { ATI_RAGE_IIC_AGP_B, "ATI 3D Rage IIC (AGP)", 230000 }, 150 { ATI_RAGE_IIC_AGP_P, "ATI 3D Rage IIC (AGP)", 230000 }, 151 { ATI_RAGE_LT_PRO_AGP, "ATI 3D Rage LT Pro (AGP 133MHz)", 230000 }, 152 { ATI_RAGE_MOB_M3_PCI, "ATI Rage Mobility M3", 230000 }, 153 { ATI_RAGE_MOB_M3_AGP, "ATI Rage Mobility M3 (AGP)", 230000 }, 154 { ATI_RAGE_LT, "ATI 3D Rage LT", 230000 }, 155 { ATI_RAGE_LT_PRO_PCI, "ATI 3D Rage LT Pro", 230000 }, 156 { ATI_RAGE_MOBILITY, "ATI Rage Mobility", 230000 }, 157 { ATI_RAGE_L_MOBILITY, "ATI Rage L Mobility", 230000 }, 158 { ATI_RAGE_LT_PRO, "ATI 3D Rage LT Pro", 230000 }, 159 { ATI_RAGE_LT_PRO2, "ATI 3D Rage LT Pro", 230000 }, 160 { ATI_RAGE_MOB_M1_PCI, "ATI Rage Mobility M1 (PCI)", 230000 }, 161 { ATI_RAGE_L_MOB_M1_PCI, "ATI Rage L Mobility (PCI)", 230000 }, 162 { ATI_MACH64_VT, "ATI Mach64 VT", 170000 }, 163 { ATI_MACH64_VTB, "ATI Mach64 VTB", 200000 }, 164 { ATI_MACH64_VT4, "ATI Mach64 VT4", 230000 } 165}; 166 167static const struct machfb_cmap { 168 uint8_t red; 169 uint8_t green; 170 uint8_t blue; 171} machfb_default_cmap[16] = { 172 {0x00, 0x00, 0x00}, /* black */ 173 {0x00, 0x00, 0xff}, /* blue */ 174 {0x00, 0xff, 0x00}, /* green */ 175 {0x00, 0xc0, 0xc0}, /* cyan */ 176 {0xff, 0x00, 0x00}, /* red */ 177 {0xc0, 0x00, 0xc0}, /* magenta */ 178 {0xc0, 0xc0, 0x00}, /* brown */ 179 {0xc0, 0xc0, 0xc0}, /* light grey */ 180 {0x80, 0x80, 0x80}, /* dark grey */ 181 {0x80, 0x80, 0xff}, /* light blue */ 182 {0x80, 0xff, 0x80}, /* light green */ 183 {0x80, 0xff, 0xff}, /* light cyan */ 184 {0xff, 0x80, 0x80}, /* light red */ 185 {0xff, 0x80, 0xff}, /* light magenta */ 186 {0xff, 0xff, 0x80}, /* yellow */ 187 {0xff, 0xff, 0xff} /* white */ 188}; 189 190#define MACHFB_CMAP_OFF 16 191 192static const u_char machfb_mouse_pointer_bits[64][8] = { 193 { 0x00, 0x00, }, /* ............ */ 194 { 0x80, 0x00, }, /* *........... */ 195 { 0xc0, 0x00, }, /* **.......... */ 196 { 0xe0, 0x00, }, /* ***......... */ 197 { 0xf0, 0x00, }, /* ****........ */ 198 { 0xf8, 0x00, }, /* *****....... */ 199 { 0xfc, 0x00, }, /* ******...... */ 200 { 0xfe, 0x00, }, /* *******..... */ 201 { 0xff, 0x00, }, /* ********.... */ 202 { 0xff, 0x80, }, /* *********... */ 203 { 0xfc, 0xc0, }, /* ******..**.. */ 204 { 0xdc, 0x00, }, /* **.***...... */ 205 { 0x8e, 0x00, }, /* *...***..... */ 206 { 0x0e, 0x00, }, /* ....***..... */ 207 { 0x07, 0x00, }, /* .....***.... */ 208 { 0x04, 0x00, }, /* .....*...... */ 209 { 0x00, 0x00, }, /* ............ */ 210 { 0x00, 0x00, }, /* ............ */ 211 { 0x00, 0x00, }, /* ............ */ 212 { 0x00, 0x00, }, /* ............ */ 213 { 0x00, 0x00, }, /* ............ */ 214 { 0x00, 0x00, }, /* ............ */ 215}; 216 217/* 218 * Lookup table to perform a bit-swap of the mouse pointer bits, 219 * map set bits to CUR_CLR0 and unset bits to transparent. 220 */ 221static const u_char machfb_mouse_pointer_lut[] = { 222 0xaa, 0x2a, 0x8a, 0x0a, 0xa2, 0x22, 0x82, 0x02, 223 0xa8, 0x28, 0x88, 0x08, 0xa0, 0x20, 0x80, 0x00 224}; 225 226static const char *const machfb_memtype_names[] = { 227 "(N/A)", "DRAM", "EDO DRAM", "EDO DRAM", "SDRAM", "SGRAM", "WRAM", 228 "(unknown type)" 229}; 230 231extern const struct gfb_font gallant12x22; 232 233static struct machfb_softc machfb_softc; 234static struct bus_space_tag machfb_bst_store[1]; 235 236static device_probe_t machfb_pci_probe; 237static device_attach_t machfb_pci_attach; 238static device_detach_t machfb_pci_detach; 239 240static device_method_t machfb_methods[] = { 241 /* Device interface */ 242 DEVMETHOD(device_probe, machfb_pci_probe), 243 DEVMETHOD(device_attach, machfb_pci_attach), 244 DEVMETHOD(device_detach, machfb_pci_detach), 245 246 { 0, 0 } 247}; 248 249static driver_t machfb_pci_driver = { 250 MACHFB_DRIVER_NAME, 251 machfb_methods, 252 sizeof(struct machfb_softc), 253}; 254 255static devclass_t machfb_devclass; 256 257DRIVER_MODULE(machfb, pci, machfb_pci_driver, machfb_devclass, 0, 0); 258MODULE_DEPEND(machfb, pci, 1, 1, 1); 259 260static void machfb_cursor_enable(struct machfb_softc *, int); 261static int machfb_cursor_install(struct machfb_softc *); 262static int machfb_get_memsize(struct machfb_softc *); 263static void machfb_reset_engine(struct machfb_softc *); 264static void machfb_init_engine(struct machfb_softc *); 265#if 0 266static void machfb_adjust_frame(struct machfb_softc *, int, int); 267#endif 268static void machfb_shutdown_final(void *); 269static void machfb_shutdown_reset(void *); 270 271static int machfb_configure(int); 272 273static vi_probe_t machfb_probe; 274static vi_init_t machfb_init; 275static vi_get_info_t machfb_get_info; 276static vi_query_mode_t machfb_query_mode; 277static vi_set_mode_t machfb_set_mode; 278static vi_save_font_t machfb_save_font; 279static vi_load_font_t machfb_load_font; 280static vi_show_font_t machfb_show_font; 281static vi_save_palette_t machfb_save_palette; 282static vi_load_palette_t machfb_load_palette; 283static vi_set_border_t machfb_set_border; 284static vi_save_state_t machfb_save_state; 285static vi_load_state_t machfb_load_state; 286static vi_set_win_org_t machfb_set_win_org; 287static vi_read_hw_cursor_t machfb_read_hw_cursor; 288static vi_set_hw_cursor_t machfb_set_hw_cursor; 289static vi_set_hw_cursor_shape_t machfb_set_hw_cursor_shape; 290static vi_blank_display_t machfb_blank_display; 291static vi_mmap_t machfb_mmap; 292static vi_ioctl_t machfb_ioctl; 293static vi_clear_t machfb_clear; 294static vi_fill_rect_t machfb_fill_rect; 295static vi_bitblt_t machfb_bitblt; 296static vi_diag_t machfb_diag; 297static vi_save_cursor_palette_t machfb_save_cursor_palette; 298static vi_load_cursor_palette_t machfb_load_cursor_palette; 299static vi_copy_t machfb_copy; 300static vi_putp_t machfb_putp; 301static vi_putc_t machfb_putc; 302static vi_puts_t machfb_puts; 303static vi_putm_t machfb_putm; 304 305static video_switch_t machfbvidsw = { 306 .probe = machfb_probe, 307 .init = machfb_init, 308 .get_info = machfb_get_info, 309 .query_mode = machfb_query_mode, 310 .set_mode = machfb_set_mode, 311 .save_font = machfb_save_font, 312 .load_font = machfb_load_font, 313 .show_font = machfb_show_font, 314 .save_palette = machfb_save_palette, 315 .load_palette = machfb_load_palette, 316 .set_border = machfb_set_border, 317 .save_state = machfb_save_state, 318 .load_state = machfb_load_state, 319 .set_win_org = machfb_set_win_org, 320 .read_hw_cursor = machfb_read_hw_cursor, 321 .set_hw_cursor = machfb_set_hw_cursor, 322 .set_hw_cursor_shape = machfb_set_hw_cursor_shape, 323 .blank_display = machfb_blank_display, 324 .mmap = machfb_mmap, 325 .ioctl = machfb_ioctl, 326 .clear = machfb_clear, 327 .fill_rect = machfb_fill_rect, 328 .bitblt = machfb_bitblt, 329 .diag = machfb_diag, 330 .save_cursor_palette = machfb_save_cursor_palette, 331 .load_cursor_palette = machfb_load_cursor_palette, 332 .copy = machfb_copy, 333 .putp = machfb_putp, 334 .putc = machfb_putc, 335 .puts = machfb_puts, 336 .putm = machfb_putm 337}; 338 339VIDEO_DRIVER(machfb, machfbvidsw, machfb_configure); 340 341extern sc_rndr_sw_t txtrndrsw; 342RENDERER(machfb, 0, txtrndrsw, gfb_set); 343 344RENDERER_MODULE(machfb, gfb_set); 345 346/* 347 * Inline functions for getting access to register aperture. 348 */ 349static inline uint32_t regr(struct machfb_softc *, uint32_t); 350static inline uint8_t regrb(struct machfb_softc *, uint32_t); 351static inline void regw(struct machfb_softc *, uint32_t, uint32_t); 352static inline void regwb(struct machfb_softc *, uint32_t, uint8_t); 353static inline void regwb_pll(struct machfb_softc *, uint32_t, uint8_t); 354 355static inline uint32_t 356regr(struct machfb_softc *sc, uint32_t index) 357{ 358 359 return bus_space_read_4(sc->sc_regt, sc->sc_regh, index); 360} 361 362static inline uint8_t 363regrb(struct machfb_softc *sc, uint32_t index) 364{ 365 366 return bus_space_read_1(sc->sc_regt, sc->sc_regh, index); 367} 368 369static inline void 370regw(struct machfb_softc *sc, uint32_t index, uint32_t data) 371{ 372 373 bus_space_write_4(sc->sc_regt, sc->sc_regh, index, data); 374 bus_space_barrier(sc->sc_regt, sc->sc_regh, index, 4, 375 BUS_SPACE_BARRIER_WRITE); 376} 377 378static inline void 379regwb(struct machfb_softc *sc, uint32_t index, uint8_t data) 380{ 381 382 bus_space_write_1(sc->sc_regt, sc->sc_regh, index, data); 383 bus_space_barrier(sc->sc_regt, sc->sc_regh, index, 1, 384 BUS_SPACE_BARRIER_WRITE); 385} 386 387static inline void 388regwb_pll(struct machfb_softc *sc, uint32_t index, uint8_t data) 389{ 390 391 regwb(sc, CLOCK_CNTL + 1, (index << 2) | PLL_WR_EN); 392 regwb(sc, CLOCK_CNTL + 2, data); 393 regwb(sc, CLOCK_CNTL + 1, (index << 2) & ~PLL_WR_EN); 394} 395 396static inline void 397wait_for_fifo(struct machfb_softc *sc, uint8_t v) 398{ 399 400 while ((regr(sc, FIFO_STAT) & 0xffff) > (0x8000 >> v)) 401 ; 402} 403 404static inline void 405wait_for_idle(struct machfb_softc *sc) 406{ 407 408 wait_for_fifo(sc, 16); 409 while ((regr(sc, GUI_STAT) & 1) != 0) 410 ; 411} 412 413/* 414 * Inline functions for setting the background and foreground colors. 415 */ 416static inline void machfb_setbg(struct machfb_softc *sc, int bg); 417static inline void machfb_setfg(struct machfb_softc *sc, int fg); 418 419static inline void 420machfb_setbg(struct machfb_softc *sc, int bg) 421{ 422 423 if (bg == sc->sc_bg_cache) 424 return; 425 sc->sc_bg_cache = bg; 426 wait_for_fifo(sc, 1); 427 regw(sc, DP_BKGD_CLR, bg + MACHFB_CMAP_OFF); 428} 429 430static inline void 431machfb_setfg(struct machfb_softc *sc, int fg) 432{ 433 434 if (fg == sc->sc_fg_cache) 435 return; 436 sc->sc_fg_cache = fg; 437 wait_for_fifo(sc, 1); 438 regw(sc, DP_FRGD_CLR, fg + MACHFB_CMAP_OFF); 439} 440 441/* 442 * video driver interface 443 */ 444static int 445machfb_configure(int flags) 446{ 447 struct machfb_softc *sc; 448 phandle_t chosen, output; 449 ihandle_t stdout; 450 bus_addr_t addr; 451 uint32_t id; 452 int i, space; 453 454 /* 455 * For the high-level console probing return the number of 456 * registered adapters. 457 */ 458 if (!(flags & VIO_PROBE_ONLY)) { 459 for (i = 0; vid_find_adapter(MACHFB_DRIVER_NAME, i) >= 0; i++) 460 ; 461 return (i); 462 } 463 464 /* Low-level console probing and initialization. */ 465 466 sc = &machfb_softc; 467 if (sc->sc_va.va_flags & V_ADP_REGISTERED) 468 goto found; 469 470 if ((chosen = OF_finddevice("/chosen")) == -1) /* Quis contra nos? */ 471 return (0); 472 if (OF_getprop(chosen, "stdout", &stdout, sizeof(stdout)) == -1) 473 return (0); 474 if ((output = OF_instance_to_package(stdout)) == -1) 475 return (0); 476 if ((OF_getprop(output, "vendor-id", &id, sizeof(id)) == -1) || 477 id != ATI_VENDOR) 478 return (0); 479 if (OF_getprop(output, "device-id", &id, sizeof(id)) == -1) 480 return (0); 481 for (i = 0; i < nitems(machfb_info); i++) { 482 if (id == machfb_info[i].chip_id) { 483 sc->sc_flags = MACHFB_CONSOLE; 484 sc->sc_node = output; 485 sc->sc_chip_id = id; 486 break; 487 } 488 } 489 if (!(sc->sc_flags & MACHFB_CONSOLE)) 490 return (0); 491 492 if (OF_getprop(output, "revision-id", &sc->sc_chip_rev, 493 sizeof(sc->sc_chip_rev)) == -1) 494 return (0); 495 if (OF_decode_addr(output, 0, &space, &addr) != 0) 496 return (0); 497 sc->sc_memt = &machfb_bst_store[0]; 498 sc->sc_memh = sparc64_fake_bustag(space, addr, sc->sc_memt); 499 sc->sc_regt = sc->sc_memt; 500 bus_space_subregion(sc->sc_regt, sc->sc_memh, MACH64_REG_OFF, 501 MACH64_REG_SIZE, &sc->sc_regh); 502 503 if (machfb_init(0, &sc->sc_va, 0) < 0) 504 return (0); 505 506 found: 507 /* Return number of found adapters. */ 508 return (1); 509} 510 511static int 512machfb_probe(int unit, video_adapter_t **adpp, void *arg, int flags) 513{ 514 515 return (0); 516} 517 518static int 519machfb_init(int unit, video_adapter_t *adp, int flags) 520{ 521 struct machfb_softc *sc; 522 phandle_t options; 523 video_info_t *vi; 524 char buf[32]; 525 int i; 526 uint8_t dac_mask, dac_rindex, dac_windex; 527 528 sc = (struct machfb_softc *)adp; 529 vi = &adp->va_info; 530 531 if ((regr(sc, CONFIG_CHIP_ID) & 0xffff) != sc->sc_chip_id) 532 return (ENXIO); 533 534 sc->sc_ramdac_freq = 0; 535 for (i = 0; i < nitems(machfb_info); i++) { 536 if (sc->sc_chip_id == machfb_info[i].chip_id) { 537 sc->sc_ramdac_freq = machfb_info[i].ramdac_freq; 538 break; 539 } 540 } 541 if (sc->sc_ramdac_freq == 0) 542 return (ENXIO); 543 if (sc->sc_chip_id == ATI_RAGE_II && sc->sc_chip_rev & 0x07) 544 sc->sc_ramdac_freq = 170000; 545 546 vid_init_struct(adp, MACHFB_DRIVER_NAME, -1, unit); 547 548 if (OF_getprop(sc->sc_node, "height", &sc->sc_height, 549 sizeof(sc->sc_height)) == -1) 550 return (ENXIO); 551 if (OF_getprop(sc->sc_node, "width", &sc->sc_width, 552 sizeof(sc->sc_width)) == -1) 553 return (ENXIO); 554 if (OF_getprop(sc->sc_node, "depth", &sc->sc_depth, 555 sizeof(sc->sc_depth)) == -1) 556 return (ENXIO); 557 if ((options = OF_finddevice("/options")) == -1) 558 return (ENXIO); 559 if (OF_getprop(options, "screen-#rows", buf, sizeof(buf)) == -1) 560 return (ENXIO); 561 vi->vi_height = strtol(buf, NULL, 10); 562 if (OF_getprop(options, "screen-#columns", buf, sizeof(buf)) == -1) 563 return (ENXIO); 564 vi->vi_width = strtol(buf, NULL, 10); 565 vi->vi_cwidth = gallant12x22.width; 566 vi->vi_cheight = gallant12x22.height; 567 vi->vi_flags = V_INFO_COLOR; 568 vi->vi_mem_model = V_INFO_MM_OTHER; 569 570 sc->sc_font = gallant12x22.data; 571 sc->sc_cbwidth = howmany(vi->vi_cwidth, NBBY); /* width in bytes */ 572 sc->sc_xmargin = (sc->sc_width - (vi->vi_width * vi->vi_cwidth)) / 2; 573 sc->sc_ymargin = (sc->sc_height - (vi->vi_height * vi->vi_cheight)) / 2; 574 575 if (sc->sc_chip_id != ATI_MACH64_CT && 576 !((sc->sc_chip_id == ATI_MACH64_VT || 577 sc->sc_chip_id == ATI_RAGE_II) && 578 (sc->sc_chip_rev & 0x07) == 0)) 579 sc->sc_flags |= MACHFB_DSP; 580 581 sc->sc_memsize = machfb_get_memsize(sc); 582 if (sc->sc_memsize == 8192) 583 /* The last page is used as register aperture. */ 584 sc->sc_memsize -= 4; 585 sc->sc_memtype = regr(sc, CONFIG_STAT0) & 0x07; 586 587 if ((sc->sc_chip_id >= ATI_RAGE_XC_PCI66 && 588 sc->sc_chip_id <= ATI_RAGE_XL_PCI66) || 589 (sc->sc_chip_id >= ATI_RAGE_XL_PCI && 590 sc->sc_chip_id <= ATI_RAGE_XC_PCI)) 591 sc->sc_ref_freq = 29498; 592 else 593 sc->sc_ref_freq = 14318; 594 595 regwb(sc, CLOCK_CNTL + 1, PLL_REF_DIV << 2); 596 sc->sc_ref_div = regrb(sc, CLOCK_CNTL + 2); 597 regwb(sc, CLOCK_CNTL + 1, MCLK_FB_DIV << 2); 598 sc->sc_mclk_fb_div = regrb(sc, CLOCK_CNTL + 2); 599 sc->sc_mem_freq = (2 * sc->sc_ref_freq * sc->sc_mclk_fb_div) / 600 (sc->sc_ref_div * 2); 601 sc->sc_mclk_post_div = (sc->sc_mclk_fb_div * 2 * sc->sc_ref_freq) / 602 (sc->sc_mem_freq * sc->sc_ref_div); 603 604 machfb_init_engine(sc); 605#if 0 606 machfb_adjust_frame(0, 0); 607#endif 608 machfb_set_mode(adp, 0); 609 610 /* 611 * Install our 16-color color map. This is done only once and with 612 * an offset of 16 on sparc64 as there the OBP driver expects white 613 * to be at index 0 and black at 255 (some versions also use 1 - 8 614 * for color text support or the full palette for the boot banner 615 * logo but no versions seems to use the ISO 6429-1983 color map). 616 * Otherwise the colors are inverted when back in the OFW. 617 */ 618 dac_rindex = regrb(sc, DAC_RINDEX); 619 dac_windex = regrb(sc, DAC_WINDEX); 620 dac_mask = regrb(sc, DAC_MASK); 621 regwb(sc, DAC_MASK, 0xff); 622 regwb(sc, DAC_WINDEX, MACHFB_CMAP_OFF); 623 for (i = 0; i < 16; i++) { 624 regwb(sc, DAC_DATA, machfb_default_cmap[i].red); 625 regwb(sc, DAC_DATA, machfb_default_cmap[i].green); 626 regwb(sc, DAC_DATA, machfb_default_cmap[i].blue); 627 } 628 regwb(sc, DAC_MASK, dac_mask); 629 regwb(sc, DAC_RINDEX, dac_rindex); 630 regwb(sc, DAC_WINDEX, dac_windex); 631 632 machfb_blank_display(adp, V_DISPLAY_ON); 633 machfb_clear(adp); 634 635 /* 636 * Setting V_ADP_MODECHANGE serves as hack so machfb_set_mode() 637 * (which will invalidate our caches) is called as a precaution 638 * when the X server shuts down. 639 */ 640 adp->va_flags |= V_ADP_COLOR | V_ADP_MODECHANGE | V_ADP_PALETTE | 641 V_ADP_BORDER | V_ADP_INITIALIZED; 642 if (vid_register(adp) < 0) 643 return (ENXIO); 644 adp->va_flags |= V_ADP_REGISTERED; 645 646 return (0); 647} 648 649static int 650machfb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 651{ 652 653 bcopy(&adp->va_info, info, sizeof(*info)); 654 655 return (0); 656} 657 658static int 659machfb_query_mode(video_adapter_t *adp, video_info_t *info) 660{ 661 662 return (ENODEV); 663} 664 665static int 666machfb_set_mode(video_adapter_t *adp, int mode) 667{ 668 struct machfb_softc *sc; 669 670 sc = (struct machfb_softc *)adp; 671 672 sc->sc_bg_cache = -1; 673 sc->sc_fg_cache = -1; 674 sc->sc_draw_cache = 0; 675 676 return (0); 677} 678 679static int 680machfb_save_font(video_adapter_t *adp, int page, int size, int width, 681 u_char *data, int c, int count) 682{ 683 684 return (ENODEV); 685} 686 687static int 688machfb_load_font(video_adapter_t *adp, int page, int size, int width, 689 u_char *data, int c, int count) 690{ 691 692 return (ENODEV); 693} 694 695static int 696machfb_show_font(video_adapter_t *adp, int page) 697{ 698 699 return (ENODEV); 700} 701 702static int 703machfb_save_palette(video_adapter_t *adp, u_char *palette) 704{ 705 struct machfb_softc *sc; 706 int i; 707 uint8_t dac_mask, dac_rindex, dac_windex; 708 709 sc = (struct machfb_softc *)adp; 710 711 dac_rindex = regrb(sc, DAC_RINDEX); 712 dac_windex = regrb(sc, DAC_WINDEX); 713 dac_mask = regrb(sc, DAC_MASK); 714 regwb(sc, DAC_MASK, 0xff); 715 regwb(sc, DAC_RINDEX, 0x0); 716 for (i = 0; i < 256 * 3; i++) 717 palette[i] = regrb(sc, DAC_DATA); 718 regwb(sc, DAC_MASK, dac_mask); 719 regwb(sc, DAC_RINDEX, dac_rindex); 720 regwb(sc, DAC_WINDEX, dac_windex); 721 722 return (0); 723} 724 725static int 726machfb_load_palette(video_adapter_t *adp, u_char *palette) 727{ 728 struct machfb_softc *sc; 729 int i; 730 uint8_t dac_mask, dac_rindex, dac_windex; 731 732 sc = (struct machfb_softc *)adp; 733 734 dac_rindex = regrb(sc, DAC_RINDEX); 735 dac_windex = regrb(sc, DAC_WINDEX); 736 dac_mask = regrb(sc, DAC_MASK); 737 regwb(sc, DAC_MASK, 0xff); 738 regwb(sc, DAC_WINDEX, 0x0); 739 for (i = 0; i < 256 * 3; i++) 740 regwb(sc, DAC_DATA, palette[i]); 741 regwb(sc, DAC_MASK, dac_mask); 742 regwb(sc, DAC_RINDEX, dac_rindex); 743 regwb(sc, DAC_WINDEX, dac_windex); 744 745 return (0); 746} 747 748static int 749machfb_set_border(video_adapter_t *adp, int border) 750{ 751 struct machfb_softc *sc; 752 753 sc = (struct machfb_softc *)adp; 754 755 machfb_fill_rect(adp, border, 0, 0, sc->sc_width, sc->sc_ymargin); 756 machfb_fill_rect(adp, border, 0, sc->sc_height - sc->sc_ymargin, 757 sc->sc_width, sc->sc_ymargin); 758 machfb_fill_rect(adp, border, 0, 0, sc->sc_xmargin, sc->sc_height); 759 machfb_fill_rect(adp, border, sc->sc_width - sc->sc_xmargin, 0, 760 sc->sc_xmargin, sc->sc_height); 761 762 return (0); 763} 764 765static int 766machfb_save_state(video_adapter_t *adp, void *p, size_t size) 767{ 768 769 return (ENODEV); 770} 771 772static int 773machfb_load_state(video_adapter_t *adp, void *p) 774{ 775 776 return (ENODEV); 777} 778 779static int 780machfb_set_win_org(video_adapter_t *adp, off_t offset) 781{ 782 783 return (ENODEV); 784} 785 786static int 787machfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 788{ 789 790 *col = 0; 791 *row = 0; 792 793 return (0); 794} 795 796static int 797machfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 798{ 799 800 return (ENODEV); 801} 802 803static int 804machfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 805 int celsize, int blink) 806{ 807 808 return (ENODEV); 809} 810 811static int 812machfb_blank_display(video_adapter_t *adp, int mode) 813{ 814 struct machfb_softc *sc; 815 uint32_t crtc_gen_cntl; 816 817 sc = (struct machfb_softc *)adp; 818 819 crtc_gen_cntl = (regr(sc, CRTC_GEN_CNTL) | CRTC_EXT_DISP_EN | CRTC_EN) & 820 ~(CRTC_HSYNC_DIS | CRTC_VSYNC_DIS | CRTC_DISPLAY_DIS); 821 switch (mode) { 822 case V_DISPLAY_ON: 823 break; 824 case V_DISPLAY_BLANK: 825 crtc_gen_cntl |= CRTC_HSYNC_DIS | CRTC_VSYNC_DIS | 826 CRTC_DISPLAY_DIS; 827 break; 828 case V_DISPLAY_STAND_BY: 829 crtc_gen_cntl |= CRTC_HSYNC_DIS | CRTC_DISPLAY_DIS; 830 break; 831 case V_DISPLAY_SUSPEND: 832 crtc_gen_cntl |= CRTC_VSYNC_DIS | CRTC_DISPLAY_DIS; 833 break; 834 } 835 regw(sc, CRTC_GEN_CNTL, crtc_gen_cntl); 836 837 return (0); 838} 839 840static int 841machfb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 842 int prot, vm_memattr_t *memattr) 843{ 844 struct machfb_softc *sc; 845 video_info_t *vi; 846 847 sc = (struct machfb_softc *)adp; 848 vi = &adp->va_info; 849 850 /* BAR 2 - VGA memory */ 851 if (sc->sc_vmem != 0 && offset >= sc->sc_vmem && 852 offset < sc->sc_vmem + vi->vi_registers_size) { 853 *paddr = vi->vi_registers + offset - sc->sc_vmem; 854 return (0); 855 } 856 857 /* BAR 0 - framebuffer */ 858 if (offset >= sc->sc_mem && 859 offset < sc->sc_mem + vi->vi_buffer_size) { 860 *paddr = vi->vi_buffer + offset - sc->sc_mem; 861 return (0); 862 } 863 864 /* 'regular' framebuffer mmap()ing */ 865 if (offset < adp->va_window_size) { 866 *paddr = vi->vi_window + offset; 867 return (0); 868 } 869 870 return (EINVAL); 871} 872 873static int 874machfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 875{ 876 struct machfb_softc *sc; 877 struct fbcursor *fbc; 878 struct fbtype *fb; 879 880 sc = (struct machfb_softc *)adp; 881 882 switch (cmd) { 883 case FBIOGTYPE: 884 fb = (struct fbtype *)data; 885 fb->fb_type = FBTYPE_PCIMISC; 886 fb->fb_height = sc->sc_height; 887 fb->fb_width = sc->sc_width; 888 fb->fb_depth = sc->sc_depth; 889 if (sc->sc_depth <= 1 || sc->sc_depth > 8) 890 fb->fb_cmsize = 0; 891 else 892 fb->fb_cmsize = 1 << sc->sc_depth; 893 fb->fb_size = adp->va_buffer_size; 894 break; 895 case FBIOSCURSOR: 896 fbc = (struct fbcursor *)data; 897 if (fbc->set & FB_CUR_SETCUR && fbc->enable == 0) { 898 machfb_cursor_enable(sc, 0); 899 sc->sc_flags &= ~MACHFB_CUREN; 900 } else 901 return (ENODEV); 902 break; 903 default: 904 return (fb_commonioctl(adp, cmd, data)); 905 } 906 907 return (0); 908} 909 910static int 911machfb_clear(video_adapter_t *adp) 912{ 913 struct machfb_softc *sc; 914 915 sc = (struct machfb_softc *)adp; 916 917 machfb_fill_rect(adp, (SC_NORM_ATTR >> 4) & 0xf, 0, 0, sc->sc_width, 918 sc->sc_height); 919 920 return (0); 921} 922 923static int 924machfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 925{ 926 struct machfb_softc *sc; 927 928 sc = (struct machfb_softc *)adp; 929 930 if (sc->sc_draw_cache != MACHFB_DRAW_FILLRECT) { 931 wait_for_fifo(sc, 7); 932 regw(sc, DP_WRITE_MASK, 0xff); 933 regw(sc, DP_PIX_WIDTH, DST_8BPP | SRC_8BPP | HOST_8BPP); 934 regw(sc, DP_SRC, FRGD_SRC_FRGD_CLR); 935 regw(sc, DP_MIX, MIX_SRC << 16); 936 regw(sc, CLR_CMP_CNTL, 0); /* no transparency */ 937 regw(sc, SRC_CNTL, SRC_LINE_X_LEFT_TO_RIGHT); 938 regw(sc, DST_CNTL, DST_X_LEFT_TO_RIGHT | DST_Y_TOP_TO_BOTTOM); 939 sc->sc_draw_cache = MACHFB_DRAW_FILLRECT; 940 } 941 machfb_setfg(sc, val); 942 wait_for_fifo(sc, 4); 943 regw(sc, SRC_Y_X, (x << 16) | y); 944 regw(sc, SRC_WIDTH1, cx); 945 regw(sc, DST_Y_X, (x << 16) | y); 946 regw(sc, DST_HEIGHT_WIDTH, (cx << 16) | cy); 947 948 return (0); 949} 950 951static int 952machfb_bitblt(video_adapter_t *adp, ...) 953{ 954 955 return (ENODEV); 956} 957 958static int 959machfb_diag(video_adapter_t *adp, int level) 960{ 961 video_info_t info; 962 963 fb_dump_adp_info(adp->va_name, adp, level); 964 machfb_get_info(adp, 0, &info); 965 fb_dump_mode_info(adp->va_name, adp, &info, level); 966 967 return (0); 968} 969 970static int 971machfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 972{ 973 974 return (ENODEV); 975} 976 977static int 978machfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 979{ 980 981 return (ENODEV); 982} 983 984static int 985machfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 986{ 987 988 return (ENODEV); 989} 990 991static int 992machfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 993 int size, int bpp, int bit_ltor, int byte_ltor) 994{ 995 996 return (ENODEV); 997} 998 999static int 1000machfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 1001{ 1002 struct machfb_softc *sc; 1003 const uint8_t *p; 1004 int i; 1005 1006 sc = (struct machfb_softc *)adp; 1007 1008 if (sc->sc_draw_cache != MACHFB_DRAW_CHAR) { 1009 wait_for_fifo(sc, 8); 1010 regw(sc, DP_WRITE_MASK, 0xff); /* XXX only good for 8 bit */ 1011 regw(sc, DP_PIX_WIDTH, DST_8BPP | SRC_1BPP | HOST_1BPP); 1012 regw(sc, DP_SRC, MONO_SRC_HOST | BKGD_SRC_BKGD_CLR | 1013 FRGD_SRC_FRGD_CLR); 1014 regw(sc, DP_MIX ,((MIX_SRC & 0xffff) << 16) | MIX_SRC); 1015 regw(sc, CLR_CMP_CNTL, 0); /* no transparency */ 1016 regw(sc, SRC_CNTL, SRC_LINE_X_LEFT_TO_RIGHT); 1017 regw(sc, DST_CNTL, DST_Y_TOP_TO_BOTTOM | DST_X_LEFT_TO_RIGHT); 1018 regw(sc, HOST_CNTL, HOST_BYTE_ALIGN); 1019 sc->sc_draw_cache = MACHFB_DRAW_CHAR; 1020 } 1021 machfb_setbg(sc, (a >> 4) & 0xf); 1022 machfb_setfg(sc, a & 0xf); 1023 wait_for_fifo(sc, 4 + (adp->va_info.vi_cheight / sc->sc_cbwidth)); 1024 regw(sc, SRC_Y_X, 0); 1025 regw(sc, SRC_WIDTH1, adp->va_info.vi_cwidth); 1026 regw(sc, DST_Y_X, ((((off % adp->va_info.vi_width) * 1027 adp->va_info.vi_cwidth) + sc->sc_xmargin) << 16) | 1028 (((off / adp->va_info.vi_width) * adp->va_info.vi_cheight) + 1029 sc->sc_ymargin)); 1030 regw(sc, DST_HEIGHT_WIDTH, (adp->va_info.vi_cwidth << 16) | 1031 adp->va_info.vi_cheight); 1032 p = sc->sc_font + (c * adp->va_info.vi_cheight * sc->sc_cbwidth); 1033 for (i = 0; i < adp->va_info.vi_cheight * sc->sc_cbwidth; i += 4) 1034 regw(sc, HOST_DATA0 + i, (p[i + 3] << 24 | p[i + 2] << 16 | 1035 p[i + 1] << 8 | p[i])); 1036 1037 return (0); 1038} 1039 1040static int 1041machfb_puts(video_adapter_t *adp, vm_offset_t off, uint16_t *s, int len) 1042{ 1043 struct machfb_softc *sc; 1044 int blanks, i, x1, x2, y1, y2; 1045 uint8_t a, c, color1, color2; 1046 1047 sc = (struct machfb_softc *)adp; 1048 1049#define MACHFB_BLANK machfb_fill_rect(adp, color1, x1, y1, \ 1050 blanks * adp->va_info.vi_cwidth, \ 1051 adp->va_info.vi_cheight) 1052 1053 blanks = color1 = x1 = y1 = 0; 1054 for (i = 0; i < len; i++) { 1055 /* 1056 * Accelerate continuous blanks by drawing a respective 1057 * rectangle instead. Drawing a rectangle of any size 1058 * takes about the same number of operations as drawing 1059 * a single character. 1060 */ 1061 c = s[i] & 0xff; 1062 a = (s[i] & 0xff00) >> 8; 1063 if (c == 0x00 || c == 0x20 || c == 0xdb || c == 0xff) { 1064 color2 = (a >> (c == 0xdb ? 0 : 4) & 0xf); 1065 x2 = (((off + i) % adp->va_info.vi_width) * 1066 adp->va_info.vi_cwidth) + sc->sc_xmargin; 1067 y2 = (((off + i) / adp->va_info.vi_width) * 1068 adp->va_info.vi_cheight) + sc->sc_ymargin; 1069 if (blanks == 0) { 1070 color1 = color2; 1071 x1 = x2; 1072 y1 = y2; 1073 blanks++; 1074 } else if (color1 != color2 || y1 != y2) { 1075 MACHFB_BLANK; 1076 color1 = color2; 1077 x1 = x2; 1078 y1 = y2; 1079 blanks = 1; 1080 } else 1081 blanks++; 1082 } else { 1083 if (blanks != 0) { 1084 MACHFB_BLANK; 1085 blanks = 0; 1086 } 1087 vidd_putc(adp, off + i, c, a); 1088 } 1089 } 1090 if (blanks != 0) 1091 MACHFB_BLANK; 1092 1093#undef MACHFB_BLANK 1094 1095 return (0); 1096} 1097 1098static int 1099machfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 1100 uint32_t pixel_mask, int size, int width) 1101{ 1102 struct machfb_softc *sc; 1103 int error; 1104 1105 sc = (struct machfb_softc *)adp; 1106 1107 if ((!(sc->sc_flags & MACHFB_CUREN)) && 1108 (error = machfb_cursor_install(sc)) < 0) 1109 return (error); 1110 else { 1111 /* 1112 * The hardware cursor always must be disabled when 1113 * fiddling with its bits otherwise some artifacts 1114 * may appear on the screen. 1115 */ 1116 machfb_cursor_enable(sc, 0); 1117 } 1118 1119 regw(sc, CUR_HORZ_VERT_OFF, 0); 1120 if ((regr(sc, GEN_TEST_CNTL) & CRTC_DBL_SCAN_EN) != 0) 1121 y <<= 1; 1122 regw(sc, CUR_HORZ_VERT_POSN, ((y + sc->sc_ymargin) << 16) | 1123 (x + sc->sc_xmargin)); 1124 machfb_cursor_enable(sc, 1); 1125 sc->sc_flags |= MACHFB_CUREN; 1126 1127 return (0); 1128} 1129 1130/* 1131 * PCI bus interface 1132 */ 1133static int 1134machfb_pci_probe(device_t dev) 1135{ 1136 int i; 1137 1138 if (pci_get_class(dev) != PCIC_DISPLAY || 1139 pci_get_subclass(dev) != PCIS_DISPLAY_VGA) 1140 return (ENXIO); 1141 1142 for (i = 0; i < nitems(machfb_info); i++) { 1143 if (pci_get_device(dev) == machfb_info[i].chip_id) { 1144 device_set_desc(dev, machfb_info[i].name); 1145 return (BUS_PROBE_DEFAULT); 1146 } 1147 } 1148 1149 return (ENXIO); 1150} 1151 1152static int 1153machfb_pci_attach(device_t dev) 1154{ 1155 struct machfb_softc *sc; 1156 video_adapter_t *adp; 1157 video_switch_t *sw; 1158 video_info_t *vi; 1159 phandle_t node; 1160 int error, i, rid; 1161 uint32_t *p32, u32; 1162 uint8_t *p; 1163 1164 node = ofw_bus_get_node(dev); 1165 if ((sc = (struct machfb_softc *)vid_get_adapter(vid_find_adapter( 1166 MACHFB_DRIVER_NAME, 0))) != NULL && sc->sc_node == node) { 1167 device_printf(dev, "console\n"); 1168 device_set_softc(dev, sc); 1169 } else { 1170 sc = device_get_softc(dev); 1171 1172 sc->sc_node = node; 1173 sc->sc_chip_id = pci_get_device(dev); 1174 sc->sc_chip_rev = pci_get_revid(dev); 1175 } 1176 adp = &sc->sc_va; 1177 vi = &adp->va_info; 1178 1179 rid = PCIR_BAR(0); 1180 if ((sc->sc_memres = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 1181 RF_ACTIVE)) == NULL) { 1182 device_printf(dev, "cannot allocate memory resources\n"); 1183 return (ENXIO); 1184 } 1185 sc->sc_memt = rman_get_bustag(sc->sc_memres); 1186 sc->sc_memh = rman_get_bushandle(sc->sc_memres); 1187 sc->sc_mem = rman_get_start(sc->sc_memres); 1188 vi->vi_buffer = sc->sc_memh; 1189 vi->vi_buffer_size = rman_get_size(sc->sc_memres); 1190 if (OF_getprop(sc->sc_node, "address", &u32, sizeof(u32)) > 0 && 1191 vtophys(u32) == sc->sc_memh) 1192 adp->va_mem_base = u32; 1193 else { 1194 if (bus_space_map(sc->sc_memt, vi->vi_buffer, 1195 vi->vi_buffer_size, BUS_SPACE_MAP_LINEAR, 1196 &sc->sc_memh) != 0) { 1197 device_printf(dev, "cannot map memory resources\n"); 1198 error = ENXIO; 1199 goto fail_memres; 1200 } 1201 adp->va_mem_base = 1202 (vm_offset_t)rman_get_virtual(sc->sc_memres); 1203 } 1204 adp->va_mem_size = vi->vi_buffer_size; 1205 adp->va_buffer = adp->va_mem_base; 1206 adp->va_buffer_size = adp->va_mem_size; 1207 sc->sc_regt = sc->sc_memt; 1208 if (bus_space_subregion(sc->sc_regt, sc->sc_memh, MACH64_REG_OFF, 1209 MACH64_REG_SIZE, &sc->sc_regh) != 0) { 1210 device_printf(dev, "cannot allocate register resources\n"); 1211 error = ENXIO; 1212 goto fail_memmap; 1213 } 1214 1215 /* 1216 * Depending on the firmware version the VGA I/O and/or memory 1217 * resources of the Mach64 chips come up disabled. These will be 1218 * enabled by pci(4) when activating the resource in question but 1219 * this doesn't necessarily mean that the resource is valid. 1220 * Invalid resources seem to have in common that they start at 1221 * address 0. We don't allocate the VGA memory in this case in 1222 * order to avoid warnings in apb(4) and crashes when using this 1223 * invalid resources. X.Org is aware of this and doesn't use the 1224 * VGA memory resource in this case (but demands it if it's valid). 1225 */ 1226 rid = PCIR_BAR(2); 1227 if (bus_get_resource_start(dev, SYS_RES_MEMORY, rid) != 0) { 1228 if ((sc->sc_vmemres = bus_alloc_resource_any(dev, 1229 SYS_RES_MEMORY, &rid, RF_ACTIVE)) == NULL) { 1230 device_printf(dev, 1231 "cannot allocate VGA memory resources\n"); 1232 error = ENXIO; 1233 goto fail_memmap; 1234 } 1235 sc->sc_vmemt = rman_get_bustag(sc->sc_vmemres); 1236 sc->sc_vmemh = rman_get_bushandle(sc->sc_vmemres); 1237 sc->sc_vmem = rman_get_start(sc->sc_vmemres); 1238 vi->vi_registers = sc->sc_vmemh; 1239 vi->vi_registers_size = rman_get_size(sc->sc_vmemres); 1240 if (bus_space_map(sc->sc_vmemt, vi->vi_registers, 1241 vi->vi_registers_size, BUS_SPACE_MAP_LINEAR, 1242 &sc->sc_vmemh) != 0) { 1243 device_printf(dev, 1244 "cannot map VGA memory resources\n"); 1245 error = ENXIO; 1246 goto fail_vmemres; 1247 } 1248 adp->va_registers = 1249 (vm_offset_t)rman_get_virtual(sc->sc_vmemres); 1250 adp->va_registers_size = vi->vi_registers_size; 1251 } 1252 1253 if (!(sc->sc_flags & MACHFB_CONSOLE)) { 1254 if ((sw = vid_get_switch(MACHFB_DRIVER_NAME)) == NULL) { 1255 device_printf(dev, "cannot get video switch\n"); 1256 error = ENODEV; 1257 goto fail_vmemmap; 1258 } 1259 /* 1260 * During device configuration we don't necessarily probe 1261 * the adapter which is the console first so we can't use 1262 * the device unit number for the video adapter unit. The 1263 * worst case would be that we use the video adapter unit 1264 * 0 twice. As it doesn't really matter which unit number 1265 * the corresponding video adapter has just use the next 1266 * unused one. 1267 */ 1268 for (i = 0; i < devclass_get_maxunit(machfb_devclass); i++) 1269 if (vid_find_adapter(MACHFB_DRIVER_NAME, i) < 0) 1270 break; 1271 if ((error = sw->init(i, adp, 0)) != 0) { 1272 device_printf(dev, "cannot initialize adapter\n"); 1273 goto fail_vmemmap; 1274 } 1275 } 1276 1277 /* 1278 * Test whether the aperture is byte swapped or not, set 1279 * va_window and va_window_size as appropriate. Note that 1280 * the aperture could be mapped either big or little endian 1281 * independently of the endianness of the host so this has 1282 * to be a runtime test. 1283 */ 1284 p32 = (uint32_t *)adp->va_buffer; 1285 u32 = *p32; 1286 p = (uint8_t *)adp->va_buffer; 1287 *p32 = 0x12345678; 1288 if (!(p[0] == 0x12 && p[1] == 0x34 && p[2] == 0x56 && p[3] == 0x78)) { 1289 adp->va_window = adp->va_buffer + 0x800000; 1290 adp->va_window_size = adp->va_buffer_size - 0x800000; 1291 vi->vi_window = vi->vi_buffer + 0x800000; 1292 vi->vi_window_size = vi->vi_buffer_size - 0x800000; 1293 sc->sc_flags |= MACHFB_SWAP; 1294 } else { 1295 adp->va_window = adp->va_buffer; 1296 adp->va_window_size = adp->va_buffer_size; 1297 vi->vi_window = vi->vi_buffer; 1298 vi->vi_window_size = vi->vi_buffer_size; 1299 } 1300 *p32 = u32; 1301 adp->va_window_gran = adp->va_window_size; 1302 1303 device_printf(dev, 1304 "%d MB aperture at %p %sswapped\n", 1305 (u_int)(adp->va_window_size / (1024 * 1024)), 1306 (void *)adp->va_window, (sc->sc_flags & MACHFB_SWAP) ? 1307 "" : "not "); 1308 device_printf(dev, 1309 "%ld KB %s %d.%d MHz, maximum RAMDAC clock %d MHz, %sDSP\n", 1310 (u_long)sc->sc_memsize, machfb_memtype_names[sc->sc_memtype], 1311 sc->sc_mem_freq / 1000, sc->sc_mem_freq % 1000, 1312 sc->sc_ramdac_freq / 1000, 1313 (sc->sc_flags & MACHFB_DSP) ? "" : "no "); 1314 device_printf(dev, "resolution %dx%d at %d bpp\n", 1315 sc->sc_width, sc->sc_height, sc->sc_depth); 1316 1317 /* 1318 * Allocate one page for the mouse pointer image at the end of 1319 * the little endian aperture, right before the memory mapped 1320 * registers that might also reside there. Must be done after 1321 * sc_memsize was set and possibly adjusted to account for the 1322 * memory mapped registers. 1323 */ 1324 sc->sc_curoff = (sc->sc_memsize * 1024) - PAGE_SIZE; 1325 sc->sc_memsize -= PAGE_SIZE / 1024; 1326 machfb_cursor_enable(sc, 0); 1327 /* Initialize with an all transparent image. */ 1328 memset((void *)(adp->va_buffer + sc->sc_curoff), 0xaa, PAGE_SIZE); 1329 1330 /* 1331 * Register a handler that performs some cosmetic surgery like 1332 * turning off the mouse pointer on halt in preparation for 1333 * handing the screen over to the OFW. Register another handler 1334 * that turns off the CRTC when resetting, otherwise the OFW 1335 * boot command issued by cpu_reset() just doesn't work. 1336 */ 1337 EVENTHANDLER_REGISTER(shutdown_final, machfb_shutdown_final, sc, 1338 SHUTDOWN_PRI_DEFAULT); 1339 EVENTHANDLER_REGISTER(shutdown_reset, machfb_shutdown_reset, sc, 1340 SHUTDOWN_PRI_DEFAULT); 1341 1342 return (0); 1343 1344 fail_vmemmap: 1345 if (adp->va_registers != 0) 1346 bus_space_unmap(sc->sc_vmemt, sc->sc_vmemh, 1347 vi->vi_registers_size); 1348 fail_vmemres: 1349 if (sc->sc_vmemres != NULL) 1350 bus_release_resource(dev, SYS_RES_MEMORY, 1351 rman_get_rid(sc->sc_vmemres), sc->sc_vmemres); 1352 fail_memmap: 1353 bus_space_unmap(sc->sc_memt, sc->sc_memh, vi->vi_buffer_size); 1354 fail_memres: 1355 bus_release_resource(dev, SYS_RES_MEMORY, 1356 rman_get_rid(sc->sc_memres), sc->sc_memres); 1357 1358 return (error); 1359} 1360 1361static int 1362machfb_pci_detach(device_t dev) 1363{ 1364 1365 return (EINVAL); 1366} 1367 1368/* 1369 * internal functions 1370 */ 1371static void 1372machfb_cursor_enable(struct machfb_softc *sc, int onoff) 1373{ 1374 1375 if (onoff) 1376 regw(sc, GEN_TEST_CNTL, 1377 regr(sc, GEN_TEST_CNTL) | HWCURSOR_ENABLE); 1378 else 1379 regw(sc, GEN_TEST_CNTL, 1380 regr(sc, GEN_TEST_CNTL) &~ HWCURSOR_ENABLE); 1381} 1382 1383static int 1384machfb_cursor_install(struct machfb_softc *sc) 1385{ 1386 uint16_t *p, v; 1387 uint8_t fg; 1388 int i, j; 1389 1390 if (sc->sc_curoff == 0) 1391 return (ENODEV); 1392 1393 machfb_cursor_enable(sc, 0); 1394 regw(sc, CUR_OFFSET, sc->sc_curoff >> 3); 1395 fg = SC_NORM_ATTR & 0xf; 1396 regw(sc, CUR_CLR0, machfb_default_cmap[fg].red << 24 | 1397 machfb_default_cmap[fg].green << 16 | 1398 machfb_default_cmap[fg].blue << 8); 1399 p = (uint16_t *)(sc->sc_va.va_buffer + sc->sc_curoff); 1400 for (i = 0; i < 64; i++) { 1401 for (j = 0; j < 8; j++) { 1402 v = machfb_mouse_pointer_lut[ 1403 machfb_mouse_pointer_bits[i][j] >> 4] << 8 | 1404 machfb_mouse_pointer_lut[ 1405 machfb_mouse_pointer_bits[i][j] & 0x0f]; 1406 if (sc->sc_flags & MACHFB_SWAP) 1407 *(p++) = bswap16(v); 1408 else 1409 *(p++) = v; 1410 } 1411 } 1412 1413 return (0); 1414} 1415 1416static int 1417machfb_get_memsize(struct machfb_softc *sc) 1418{ 1419 int tmp, memsize; 1420 const int mem_tab[] = { 1421 512, 1024, 2048, 4096, 6144, 8192, 12288, 16384 1422 }; 1423 1424 tmp = regr(sc, MEM_CNTL); 1425#ifdef MACHFB_DEBUG 1426 printf("memcntl=0x%08x\n", tmp); 1427#endif 1428 if (sc->sc_flags & MACHFB_DSP) { 1429 tmp &= 0x0000000f; 1430 if (tmp < 8) 1431 memsize = (tmp + 1) * 512; 1432 else if (tmp < 12) 1433 memsize = (tmp - 3) * 1024; 1434 else 1435 memsize = (tmp - 7) * 2048; 1436 } else 1437 memsize = mem_tab[tmp & 0x07]; 1438 1439 return (memsize); 1440} 1441 1442static void 1443machfb_reset_engine(struct machfb_softc *sc) 1444{ 1445 1446 /* Reset engine.*/ 1447 regw(sc, GEN_TEST_CNTL, regr(sc, GEN_TEST_CNTL) & ~GUI_ENGINE_ENABLE); 1448 1449 /* Enable engine. */ 1450 regw(sc, GEN_TEST_CNTL, regr(sc, GEN_TEST_CNTL) | GUI_ENGINE_ENABLE); 1451 1452 /* 1453 * Ensure engine is not locked up by clearing any FIFO or 1454 * host errors. 1455 */ 1456 regw(sc, BUS_CNTL, regr(sc, BUS_CNTL) | BUS_HOST_ERR_ACK | 1457 BUS_FIFO_ERR_ACK); 1458} 1459 1460static void 1461machfb_init_engine(struct machfb_softc *sc) 1462{ 1463 uint32_t pitch_value; 1464 1465 pitch_value = sc->sc_width; 1466 1467 if (sc->sc_depth == 24) 1468 pitch_value *= 3; 1469 1470 machfb_reset_engine(sc); 1471 1472 wait_for_fifo(sc, 14); 1473 1474 regw(sc, CONTEXT_MASK, 0xffffffff); 1475 1476 regw(sc, DST_OFF_PITCH, (pitch_value / 8) << 22); 1477 1478 regw(sc, DST_Y_X, 0); 1479 regw(sc, DST_HEIGHT, 0); 1480 regw(sc, DST_BRES_ERR, 0); 1481 regw(sc, DST_BRES_INC, 0); 1482 regw(sc, DST_BRES_DEC, 0); 1483 1484 regw(sc, DST_CNTL, DST_LAST_PEL | DST_X_LEFT_TO_RIGHT | 1485 DST_Y_TOP_TO_BOTTOM); 1486 1487 regw(sc, SRC_OFF_PITCH, (pitch_value / 8) << 22); 1488 1489 regw(sc, SRC_Y_X, 0); 1490 regw(sc, SRC_HEIGHT1_WIDTH1, 1); 1491 regw(sc, SRC_Y_X_START, 0); 1492 regw(sc, SRC_HEIGHT2_WIDTH2, 1); 1493 1494 regw(sc, SRC_CNTL, SRC_LINE_X_LEFT_TO_RIGHT); 1495 1496 wait_for_fifo(sc, 13); 1497 regw(sc, HOST_CNTL, 0); 1498 1499 regw(sc, PAT_REG0, 0); 1500 regw(sc, PAT_REG1, 0); 1501 regw(sc, PAT_CNTL, 0); 1502 1503 regw(sc, SC_LEFT, 0); 1504 regw(sc, SC_TOP, 0); 1505 regw(sc, SC_BOTTOM, sc->sc_height - 1); 1506 regw(sc, SC_RIGHT, pitch_value - 1); 1507 1508 regw(sc, DP_BKGD_CLR, 0); 1509 regw(sc, DP_FRGD_CLR, 0xffffffff); 1510 regw(sc, DP_WRITE_MASK, 0xffffffff); 1511 regw(sc, DP_MIX, (MIX_SRC << 16) | MIX_DST); 1512 1513 regw(sc, DP_SRC, FRGD_SRC_FRGD_CLR); 1514 1515 wait_for_fifo(sc, 3); 1516 regw(sc, CLR_CMP_CLR, 0); 1517 regw(sc, CLR_CMP_MASK, 0xffffffff); 1518 regw(sc, CLR_CMP_CNTL, 0); 1519 1520 wait_for_fifo(sc, 2); 1521 switch (sc->sc_depth) { 1522 case 8: 1523 regw(sc, DP_PIX_WIDTH, HOST_8BPP | SRC_8BPP | DST_8BPP); 1524 regw(sc, DP_CHAIN_MASK, DP_CHAIN_8BPP); 1525 regw(sc, DAC_CNTL, regr(sc, DAC_CNTL) | DAC_8BIT_EN); 1526 break; 1527#if 0 1528 case 32: 1529 regw(sc, DP_PIX_WIDTH, HOST_32BPP | SRC_32BPP | DST_32BPP); 1530 regw(sc, DP_CHAIN_MASK, DP_CHAIN_32BPP); 1531 regw(sc, DAC_CNTL, regr(sc, DAC_CNTL) | DAC_8BIT_EN); 1532 break; 1533#endif 1534 } 1535 1536 wait_for_fifo(sc, 2); 1537 regw(sc, CRTC_INT_CNTL, regr(sc, CRTC_INT_CNTL) & ~0x20); 1538 regw(sc, GUI_TRAJ_CNTL, DST_X_LEFT_TO_RIGHT | DST_Y_TOP_TO_BOTTOM); 1539 1540 wait_for_idle(sc); 1541} 1542 1543#if 0 1544static void 1545machfb_adjust_frame(struct machfb_softc *sc, int x, int y) 1546{ 1547 int offset; 1548 1549 offset = ((x + y * sc->sc_width) * (sc->sc_depth >> 3)) >> 3; 1550 1551 regw(sc, CRTC_OFF_PITCH, (regr(sc, CRTC_OFF_PITCH) & 0xfff00000) | 1552 offset); 1553} 1554#endif 1555 1556static void 1557machfb_shutdown_final(void *v) 1558{ 1559 struct machfb_softc *sc = v; 1560 1561 machfb_cursor_enable(sc, 0); 1562 /* 1563 * In case this is the console set the cursor of the stdout 1564 * instance to the start of the last line so OFW output ends 1565 * up beneath what FreeBSD left on the screen. 1566 */ 1567 if (sc->sc_flags & MACHFB_CONSOLE) { 1568 OF_interpret("stdout @ is my-self 0 to column#", 0); 1569 OF_interpret("stdout @ is my-self #lines 1 - to line#", 0); 1570 } 1571} 1572 1573static void 1574machfb_shutdown_reset(void *v) 1575{ 1576 struct machfb_softc *sc = v; 1577 1578 machfb_blank_display(&sc->sc_va, V_DISPLAY_STAND_BY); 1579} 1580