machfb.c revision 150686
1/*- 2 * Copyright (c) 2002 Bang Jun-Young 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 * from: NetBSD: machfb.c,v 1.23 2005/03/07 21:45:24 martin Exp 28 */ 29/*- 30 * Copyright (c) 2005 Marius Strobl <marius@FreeBSD.org> 31 * All rights reserved. 32 * 33 * Redistribution and use in source and binary forms, with or without 34 * modification, are permitted provided that the following conditions 35 * are met: 36 * 1. Redistributions of source code must retain the above copyright 37 * notice, this list of conditions, and the following disclaimer, 38 * without modification, immediately at the beginning of the file. 39 * 2. Redistributions in binary form must reproduce the above copyright 40 * notice, this list of conditions and the following disclaimer in 41 * the documentation and/or other materials provided with the 42 * distribution. 43 * 44 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 45 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 46 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 47 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 48 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 49 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 50 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 51 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 52 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 53 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 54 * SUCH DAMAGE. 55 */ 56 57#include <sys/cdefs.h> 58__FBSDID("$FreeBSD: head/sys/dev/fb/machfb.c 150686 2005-09-28 14:54:07Z marius $"); 59 60/* 61 * Driver for ATI Mach64 graphics chips. Some code is derived from the 62 * ATI Rage Pro and Derivatives Programmer's Guide. 63 */ 64 65#include <sys/param.h> 66#include <sys/systm.h> 67#include <sys/bus.h> 68#include <sys/consio.h> 69#include <sys/eventhandler.h> 70#include <sys/fbio.h> 71#include <sys/kernel.h> 72#include <sys/module.h> 73#include <sys/resource.h> 74 75#include <dev/ofw/ofw_bus.h> 76#include <dev/ofw/openfirm.h> 77 78#include <machine/bus.h> 79#include <machine/bus_private.h> 80#include <machine/ofw_machdep.h> 81#include <machine/resource.h> 82#include <machine/sc_machdep.h> 83 84#include <sys/rman.h> 85 86#include <dev/fb/fbreg.h> 87#include <dev/fb/gallant12x22.h> 88#include <dev/fb/machfbreg.h> 89#include <dev/pci/pcivar.h> 90#include <dev/pci/pcireg.h> 91#include <dev/syscons/syscons.h> 92 93/* #define MACHFB_DEBUG */ 94 95#define MACHFB_DRIVER_NAME "machfb" 96 97#define MACH64_REG_OFF 0x7ffc00 98#define MACH64_REG_SIZE 1024 99 100struct machfb_softc { 101 video_adapter_t sc_va; /* must be first */ 102 103 phandle_t sc_node; 104 uint16_t sc_chip_id; 105 uint8_t sc_chip_rev; 106 107 int sc_memrid; 108 int sc_viorid; 109 int sc_vmemrid; 110 struct resource *sc_memres; 111 struct resource *sc_viores; 112 struct resource *sc_vmemres; 113 bus_space_tag_t sc_memt; 114 bus_space_tag_t sc_regt; 115 bus_space_tag_t sc_viot; 116 bus_space_tag_t sc_vmemt; 117 bus_space_handle_t sc_memh; 118 bus_space_handle_t sc_regh; 119 bus_space_handle_t sc_vioh; 120 bus_space_handle_t sc_vmemh; 121 122 int sc_height; 123 int sc_width; 124 int sc_depth; 125 int sc_xmargin; 126 int sc_ymargin; 127 128 size_t sc_memsize; 129 int sc_memtype; 130 int sc_mem_freq; 131 int sc_ramdac_freq; 132 int sc_ref_freq; 133 134 int sc_ref_div; 135 int sc_mclk_post_div; 136 int sc_mclk_fb_div; 137 138 u_char *sc_font; 139 int sc_cbwidth; 140 vm_offset_t sc_curoff; 141 142 int sc_bg_cache; 143 int sc_fg_cache; 144 int sc_draw_cache; 145#define MACHFB_DRAW_CHAR (1 << 0) 146#define MACHFB_DRAW_FILLRECT (1 << 1) 147 148 int sc_flags; 149#define MACHFB_CONSOLE (1 << 0) 150#define MACHFB_CUREN (1 << 1) 151#define MACHFB_DSP (1 << 2) 152}; 153 154static const struct { 155 uint16_t chip_id; 156 const char *name; 157 uint32_t ramdac_freq; 158} machfb_info[] = { 159 { ATI_MACH64_CT, "ATI Mach64 CT", 135000 }, 160 { ATI_RAGE_PRO_AGP, "ATI 3D Rage Pro (AGP)", 230000 }, 161 { ATI_RAGE_PRO_AGP1X, "ATI 3D Rage Pro (AGP 1x)", 230000 }, 162 { ATI_RAGE_PRO_PCI_B, "ATI 3D Rage Pro Turbo", 230000 }, 163 { ATI_RAGE_XC_PCI66, "ATI Rage XL (PCI66)", 230000 }, 164 { ATI_RAGE_XL_AGP, "ATI Rage XL (AGP)", 230000 }, 165 { ATI_RAGE_XC_AGP, "ATI Rage XC (AGP)", 230000 }, 166 { ATI_RAGE_XL_PCI66, "ATI Rage XL (PCI66)", 230000 }, 167 { ATI_RAGE_PRO_PCI_P, "ATI 3D Rage Pro", 230000 }, 168 { ATI_RAGE_PRO_PCI_L, "ATI 3D Rage Pro (limited 3D)", 230000 }, 169 { ATI_RAGE_XL_PCI, "ATI Rage XL", 230000 }, 170 { ATI_RAGE_XC_PCI, "ATI Rage XC", 230000 }, 171 { ATI_RAGE_II, "ATI 3D Rage I/II", 135000 }, 172 { ATI_RAGE_IIP, "ATI 3D Rage II+", 200000 }, 173 { ATI_RAGE_IIC_PCI, "ATI 3D Rage IIC", 230000 }, 174 { ATI_RAGE_IIC_AGP_B, "ATI 3D Rage IIC (AGP)", 230000 }, 175 { ATI_RAGE_IIC_AGP_P, "ATI 3D Rage IIC (AGP)", 230000 }, 176 { ATI_RAGE_LT_PRO_AGP, "ATI 3D Rage LT Pro (AGP 133MHz)", 230000 }, 177 { ATI_RAGE_MOB_M3_PCI, "ATI Rage Mobility M3", 230000 }, 178 { ATI_RAGE_MOB_M3_AGP, "ATI Rage Mobility M3 (AGP)", 230000 }, 179 { ATI_RAGE_LT, "ATI 3D Rage LT", 230000 }, 180 { ATI_RAGE_LT_PRO_PCI, "ATI 3D Rage LT Pro", 230000 }, 181 { ATI_RAGE_MOBILITY, "ATI Rage Mobility", 230000 }, 182 { ATI_RAGE_L_MOBILITY, "ATI Rage L Mobility", 230000 }, 183 { ATI_RAGE_LT_PRO, "ATI 3D Rage LT Pro", 230000 }, 184 { ATI_RAGE_LT_PRO2, "ATI 3D Rage LT Pro", 230000 }, 185 { ATI_RAGE_MOB_M1_PCI, "ATI Rage Mobility M1 (PCI)", 230000 }, 186 { ATI_RAGE_L_MOB_M1_PCI, "ATI Rage L Mobility (PCI)", 230000 }, 187 { ATI_MACH64_VT, "ATI Mach64 VT", 170000 }, 188 { ATI_MACH64_VTB, "ATI Mach64 VTB", 200000 }, 189 { ATI_MACH64_VT4, "ATI Mach64 VT4", 230000 } 190}; 191 192static const struct machfb_cmap { 193 uint8_t red; 194 uint8_t green; 195 uint8_t blue; 196} machfb_default_cmap[16] = { 197 {0x00, 0x00, 0x00}, /* black */ 198 {0x00, 0x00, 0xff}, /* blue */ 199 {0x00, 0xff, 0x00}, /* green */ 200 {0x00, 0xc0, 0xc0}, /* cyan */ 201 {0xff, 0x00, 0x00}, /* red */ 202 {0xc0, 0x00, 0xc0}, /* magenta */ 203 {0xc0, 0xc0, 0x00}, /* brown */ 204 {0xc0, 0xc0, 0xc0}, /* light grey */ 205 {0x80, 0x80, 0x80}, /* dark grey */ 206 {0x80, 0x80, 0xff}, /* light blue */ 207 {0x80, 0xff, 0x80}, /* light green */ 208 {0x80, 0xff, 0xff}, /* light cyan */ 209 {0xff, 0x80, 0x80}, /* light red */ 210 {0xff, 0x80, 0xff}, /* light magenta */ 211 {0xff, 0xff, 0x80}, /* yellow */ 212 {0xff, 0xff, 0xff} /* white */ 213}; 214 215#define MACHFB_CMAP_OFF 16 216 217static const u_char machfb_mouse_pointer_bits[64][8] = { 218 { 0x00, 0x00, }, /* ............ */ 219 { 0x80, 0x00, }, /* *........... */ 220 { 0xc0, 0x00, }, /* **.......... */ 221 { 0xe0, 0x00, }, /* ***......... */ 222 { 0xf0, 0x00, }, /* ****........ */ 223 { 0xf8, 0x00, }, /* *****....... */ 224 { 0xfc, 0x00, }, /* ******...... */ 225 { 0xfe, 0x00, }, /* *******..... */ 226 { 0xff, 0x00, }, /* ********.... */ 227 { 0xff, 0x80, }, /* *********... */ 228 { 0xfc, 0xc0, }, /* ******..**.. */ 229 { 0xdc, 0x00, }, /* **.***...... */ 230 { 0x8e, 0x00, }, /* *...***..... */ 231 { 0x0e, 0x00, }, /* ....***..... */ 232 { 0x07, 0x00, }, /* .....***.... */ 233 { 0x04, 0x00, }, /* .....*...... */ 234 { 0x00, 0x00, }, /* ............ */ 235 { 0x00, 0x00, }, /* ............ */ 236 { 0x00, 0x00, }, /* ............ */ 237 { 0x00, 0x00, }, /* ............ */ 238 { 0x00, 0x00, }, /* ............ */ 239 { 0x00, 0x00, }, /* ............ */ 240}; 241 242/* 243 * Lookup table to perform a bit-swap of the mouse pointer bits, 244 * map set bits to CUR_CLR0 and unset bits to transparent. 245 */ 246static const u_char machfb_mouse_pointer_lut[] = { 247 0xaa, 0x2a, 0x8a, 0x0a, 0xa2, 0x22, 0x82, 0x02, 248 0xa8, 0x28, 0x88, 0x08, 0xa0, 0x20, 0x80, 0x00 249}; 250 251static const char *machfb_memtype_names[] = { 252 "(N/A)", "DRAM", "EDO DRAM", "EDO DRAM", "SDRAM", "SGRAM", "WRAM", 253 "(unknown type)" 254}; 255 256static struct machfb_softc machfb_softc; 257static struct bus_space_tag machfb_bst_store[1]; 258 259static device_probe_t machfb_pci_probe; 260static device_attach_t machfb_pci_attach; 261static device_detach_t machfb_pci_detach; 262 263static device_method_t machfb_methods[] = { 264 /* Device interface */ 265 DEVMETHOD(device_probe, machfb_pci_probe), 266 DEVMETHOD(device_attach, machfb_pci_attach), 267 DEVMETHOD(device_detach, machfb_pci_detach), 268 269 { 0, 0 } 270}; 271 272static driver_t machfb_pci_driver = { 273 MACHFB_DRIVER_NAME, 274 machfb_methods, 275 sizeof(struct machfb_softc), 276}; 277 278static devclass_t machfb_devclass; 279 280DRIVER_MODULE(machfb, pci, machfb_pci_driver, machfb_devclass, 0, 0); 281MODULE_DEPEND(machfb, pci, 1, 1, 1); 282 283static void machfb_cursor_enable(struct machfb_softc *, int); 284static int machfb_cursor_install(struct machfb_softc *); 285static int machfb_get_memsize(struct machfb_softc *); 286static void machfb_reset_engine(struct machfb_softc *); 287static void machfb_init_engine(struct machfb_softc *); 288#if 0 289static void machfb_adjust_frame(struct machfb_softc *, int, int); 290#endif 291static void machfb_shutdown_final(void *); 292static void machfb_shutdown_reset(void *); 293 294static int machfb_configure(int); 295 296static vi_probe_t machfb_probe; 297static vi_init_t machfb_init; 298static vi_get_info_t machfb_get_info; 299static vi_query_mode_t machfb_query_mode; 300static vi_set_mode_t machfb_set_mode; 301static vi_save_font_t machfb_save_font; 302static vi_load_font_t machfb_load_font; 303static vi_show_font_t machfb_show_font; 304static vi_save_palette_t machfb_save_palette; 305static vi_load_palette_t machfb_load_palette; 306static vi_set_border_t machfb_set_border; 307static vi_save_state_t machfb_save_state; 308static vi_load_state_t machfb_load_state; 309static vi_set_win_org_t machfb_set_win_org; 310static vi_read_hw_cursor_t machfb_read_hw_cursor; 311static vi_set_hw_cursor_t machfb_set_hw_cursor; 312static vi_set_hw_cursor_shape_t machfb_set_hw_cursor_shape; 313static vi_blank_display_t machfb_blank_display; 314static vi_mmap_t machfb_mmap; 315static vi_ioctl_t machfb_ioctl; 316static vi_clear_t machfb_clear; 317static vi_fill_rect_t machfb_fill_rect; 318static vi_bitblt_t machfb_bitblt; 319static vi_diag_t machfb_diag; 320static vi_save_cursor_palette_t machfb_save_cursor_palette; 321static vi_load_cursor_palette_t machfb_load_cursor_palette; 322static vi_copy_t machfb_copy; 323static vi_putp_t machfb_putp; 324static vi_putc_t machfb_putc; 325static vi_puts_t machfb_puts; 326static vi_putm_t machfb_putm; 327 328static video_switch_t machfbvidsw = { 329 .probe = machfb_probe, 330 .init = machfb_init, 331 .get_info = machfb_get_info, 332 .query_mode = machfb_query_mode, 333 .set_mode = machfb_set_mode, 334 .save_font = machfb_save_font, 335 .load_font = machfb_load_font, 336 .show_font = machfb_show_font, 337 .save_palette = machfb_save_palette, 338 .load_palette = machfb_load_palette, 339 .set_border = machfb_set_border, 340 .save_state = machfb_save_state, 341 .load_state = machfb_load_state, 342 .set_win_org = machfb_set_win_org, 343 .read_hw_cursor = machfb_read_hw_cursor, 344 .set_hw_cursor = machfb_set_hw_cursor, 345 .set_hw_cursor_shape = machfb_set_hw_cursor_shape, 346 .blank_display = machfb_blank_display, 347 .mmap = machfb_mmap, 348 .ioctl = machfb_ioctl, 349 .clear = machfb_clear, 350 .fill_rect = machfb_fill_rect, 351 .bitblt = machfb_bitblt, 352 NULL, 353 NULL, 354 .diag = machfb_diag, 355 .save_cursor_palette = machfb_save_cursor_palette, 356 .load_cursor_palette = machfb_load_cursor_palette, 357 .copy = machfb_copy, 358 .putp = machfb_putp, 359 .putc = machfb_putc, 360 .puts = machfb_puts, 361 .putm = machfb_putm 362}; 363 364VIDEO_DRIVER(machfb, machfbvidsw, machfb_configure); 365 366extern sc_rndr_sw_t txtrndrsw; 367RENDERER(machfb, 0, txtrndrsw, gfb_set); 368 369RENDERER_MODULE(machfb, gfb_set); 370 371/* 372 * Inline functions for getting access to register aperture. 373 */ 374static inline uint32_t regr(struct machfb_softc *, uint32_t); 375static inline uint8_t regrb(struct machfb_softc *, uint32_t); 376static inline void regw(struct machfb_softc *, uint32_t, uint32_t); 377static inline void regwb(struct machfb_softc *, uint32_t, uint8_t); 378static inline void regwb_pll(struct machfb_softc *, uint32_t, uint8_t); 379 380static inline uint32_t 381regr(struct machfb_softc *sc, uint32_t index) 382{ 383 384 return bus_space_read_4(sc->sc_regt, sc->sc_regh, index); 385} 386 387static inline uint8_t 388regrb(struct machfb_softc *sc, uint32_t index) 389{ 390 391 return bus_space_read_1(sc->sc_regt, sc->sc_regh, index); 392} 393 394static inline void 395regw(struct machfb_softc *sc, uint32_t index, uint32_t data) 396{ 397 398 bus_space_write_4(sc->sc_regt, sc->sc_regh, index, data); 399 bus_space_barrier(sc->sc_regt, sc->sc_regh, index, 4, 400 BUS_SPACE_BARRIER_WRITE); 401} 402 403static inline void 404regwb(struct machfb_softc *sc, uint32_t index, uint8_t data) 405{ 406 407 bus_space_write_1(sc->sc_regt, sc->sc_regh, index, data); 408 bus_space_barrier(sc->sc_regt, sc->sc_regh, index, 1, 409 BUS_SPACE_BARRIER_WRITE); 410} 411 412static inline void 413regwb_pll(struct machfb_softc *sc, uint32_t index, uint8_t data) 414{ 415 416 regwb(sc, CLOCK_CNTL + 1, (index << 2) | PLL_WR_EN); 417 regwb(sc, CLOCK_CNTL + 2, data); 418 regwb(sc, CLOCK_CNTL + 1, (index << 2) & ~PLL_WR_EN); 419} 420 421static inline void 422wait_for_fifo(struct machfb_softc *sc, uint8_t v) 423{ 424 425 while ((regr(sc, FIFO_STAT) & 0xffff) > (0x8000 >> v)) 426 ; 427} 428 429static inline void 430wait_for_idle(struct machfb_softc *sc) 431{ 432 433 wait_for_fifo(sc, 16); 434 while ((regr(sc, GUI_STAT) & 1) != 0) 435 ; 436} 437 438/* 439 * Inline functions for setting the background and foreground colors. 440 */ 441static inline void machfb_setbg(struct machfb_softc *sc, int bg); 442static inline void machfb_setfg(struct machfb_softc *sc, int fg); 443 444static inline void 445machfb_setbg(struct machfb_softc *sc, int bg) 446{ 447 448 if (bg == sc->sc_bg_cache) 449 return; 450 sc->sc_bg_cache = bg; 451 wait_for_fifo(sc, 1); 452 regw(sc, DP_BKGD_CLR, bg + MACHFB_CMAP_OFF); 453} 454 455static inline void 456machfb_setfg(struct machfb_softc *sc, int fg) 457{ 458 459 if (fg == sc->sc_fg_cache) 460 return; 461 sc->sc_fg_cache = fg; 462 wait_for_fifo(sc, 1); 463 regw(sc, DP_FRGD_CLR, fg + MACHFB_CMAP_OFF); 464} 465 466/* 467 * video driver interface 468 */ 469static int 470machfb_configure(int flags) 471{ 472 struct machfb_softc *sc; 473 phandle_t chosen, output; 474 ihandle_t stdout; 475 bus_addr_t addr; 476 uint32_t id; 477 int i, space; 478 479 /* 480 * For the high-level console probing return the number of 481 * registered adapters. 482 */ 483 if (!(flags & VIO_PROBE_ONLY)) { 484 for (i = 0; vid_find_adapter(MACHFB_DRIVER_NAME, i) >= 0; i++) 485 ; 486 return (i); 487 } 488 489 /* Low-level console probing and initialization. */ 490 491 sc = &machfb_softc; 492 if (sc->sc_va.va_flags & V_ADP_REGISTERED) 493 goto found; 494 495 if ((chosen = OF_finddevice("/chosen")) == -1) /* Quis contra nos? */ 496 return (0); 497 if (OF_getprop(chosen, "stdout", &stdout, sizeof(stdout)) == -1) 498 return (0); 499 if ((output = OF_instance_to_package(stdout)) == -1) 500 return (0); 501 if ((OF_getprop(output, "vendor-id", &id, sizeof(id)) == -1) || 502 id != ATI_VENDOR) 503 return (0); 504 if (OF_getprop(output, "device-id", &id, sizeof(id)) == -1) 505 return (0); 506 for (i = 0; i < sizeof(machfb_info) / sizeof(machfb_info[0]); i++) { 507 if (id == machfb_info[i].chip_id) { 508 sc->sc_flags = MACHFB_CONSOLE; 509 sc->sc_node = output; 510 sc->sc_chip_id = id; 511 break; 512 } 513 } 514 if (!(sc->sc_flags & MACHFB_CONSOLE)) 515 return (0); 516 517 if (OF_getprop(output, "revision-id", &sc->sc_chip_rev, 518 sizeof(sc->sc_chip_rev)) == -1) 519 return (0); 520 if (OF_decode_addr(output, 0, &space, &addr) != 0) 521 return (0); 522 sc->sc_memt = &machfb_bst_store[0]; 523 sc->sc_memh = sparc64_fake_bustag(space, addr, sc->sc_memt); 524 sc->sc_regt = sc->sc_memt; 525 bus_space_subregion(sc->sc_regt, sc->sc_memh, MACH64_REG_OFF, 526 MACH64_REG_SIZE, &sc->sc_regh); 527 528 if (machfb_init(0, &sc->sc_va, 0) < 0) 529 return (0); 530 531 found: 532 /* Return number of found adapters. */ 533 return (1); 534} 535 536static int 537machfb_probe(int unit, video_adapter_t **adpp, void *arg, int flags) 538{ 539 540 return (0); 541} 542 543static int 544machfb_init(int unit, video_adapter_t *adp, int flags) 545{ 546 struct machfb_softc *sc; 547 phandle_t options; 548 video_info_t *vi; 549 char buf[32]; 550 int i; 551 uint8_t dac_mask, dac_rindex, dac_windex; 552 553 sc = (struct machfb_softc *)adp; 554 vi = &adp->va_info; 555 556 if ((regr(sc, CONFIG_CHIP_ID) & 0xffff) != sc->sc_chip_id) 557 return (ENXIO); 558 559 sc->sc_ramdac_freq = 0; 560 for (i = 0; i < sizeof(machfb_info) / sizeof(machfb_info[0]); i++) { 561 if (sc->sc_chip_id == machfb_info[i].chip_id) { 562 sc->sc_ramdac_freq = machfb_info[i].ramdac_freq; 563 break; 564 } 565 } 566 if (sc->sc_ramdac_freq == 0) 567 return (ENXIO); 568 if (sc->sc_chip_id == ATI_RAGE_II && sc->sc_chip_rev & 0x07) 569 sc->sc_ramdac_freq = 170000; 570 571 vid_init_struct(adp, MACHFB_DRIVER_NAME, -1, unit); 572 573 if (OF_getprop(sc->sc_node, "height", &sc->sc_height, 574 sizeof(sc->sc_height)) == -1) 575 return (ENXIO); 576 if (OF_getprop(sc->sc_node, "width", &sc->sc_width, 577 sizeof(sc->sc_width)) == -1) 578 return (ENXIO); 579 if (OF_getprop(sc->sc_node, "depth", &sc->sc_depth, 580 sizeof(sc->sc_depth)) == -1) 581 return (ENXIO); 582 if ((options = OF_finddevice("/options")) == -1) 583 return (ENXIO); 584 if (OF_getprop(options, "screen-#rows", buf, sizeof(buf)) == -1) 585 return (ENXIO); 586 vi->vi_height = strtol(buf, NULL, 10); 587 if (OF_getprop(options, "screen-#columns", buf, sizeof(buf)) == -1) 588 return (ENXIO); 589 vi->vi_width = strtol(buf, NULL, 10); 590 vi->vi_cwidth = 12; 591 vi->vi_cheight = 22; 592 vi->vi_flags = V_INFO_COLOR; 593 vi->vi_mem_model = V_INFO_MM_OTHER; 594 595 sc->sc_font = gallant12x22_data; 596 sc->sc_cbwidth = howmany(vi->vi_cwidth, 8); /* width in bytes */ 597 sc->sc_xmargin = (sc->sc_width - (vi->vi_width * vi->vi_cwidth)) / 2; 598 sc->sc_ymargin = (sc->sc_height - (vi->vi_height * vi->vi_cheight)) / 2; 599 600 if (sc->sc_chip_id != ATI_MACH64_CT && 601 !((sc->sc_chip_id == ATI_MACH64_VT || 602 sc->sc_chip_id == ATI_RAGE_II) && 603 (sc->sc_chip_rev & 0x07) == 0)) 604 sc->sc_flags |= MACHFB_DSP; 605 606 sc->sc_memsize = machfb_get_memsize(sc); 607 if (sc->sc_memsize == 8192) 608 /* The last page is used as register aperture. */ 609 sc->sc_memsize -= 4; 610 sc->sc_memtype = regr(sc, CONFIG_STAT0) & 0x07; 611 612 if ((sc->sc_chip_id >= ATI_RAGE_XC_PCI66 && 613 sc->sc_chip_id <= ATI_RAGE_XL_PCI66) || 614 (sc->sc_chip_id >= ATI_RAGE_XL_PCI && 615 sc->sc_chip_id <= ATI_RAGE_XC_PCI)) 616 sc->sc_ref_freq = 29498; 617 else 618 sc->sc_ref_freq = 14318; 619 620 regwb(sc, CLOCK_CNTL + 1, PLL_REF_DIV << 2); 621 sc->sc_ref_div = regrb(sc, CLOCK_CNTL + 2); 622 regwb(sc, CLOCK_CNTL + 1, MCLK_FB_DIV << 2); 623 sc->sc_mclk_fb_div = regrb(sc, CLOCK_CNTL + 2); 624 sc->sc_mem_freq = (2 * sc->sc_ref_freq * sc->sc_mclk_fb_div) / 625 (sc->sc_ref_div * 2); 626 sc->sc_mclk_post_div = (sc->sc_mclk_fb_div * 2 * sc->sc_ref_freq) / 627 (sc->sc_mem_freq * sc->sc_ref_div); 628 629 machfb_init_engine(sc); 630#if 0 631 mach64_adjust_frame(0, 0); 632#endif 633 machfb_set_mode(adp, 0); 634 635 /* 636 * Install our 16-color color map. This is done only once and with 637 * an offset of 16 on sparc64 as there the OBP driver expects white 638 * to be at index 0 and black at 255 (some versions also use 1 - 8 639 * for color text support or the full palette for the boot banner 640 * logo but no versions seems to use the ISO 6429-1983 color map). 641 * Otherwise the colors are inverted when back in the OFW. 642 */ 643 dac_rindex = regrb(sc, DAC_RINDEX); 644 dac_windex = regrb(sc, DAC_WINDEX); 645 dac_mask = regrb(sc, DAC_MASK); 646 regwb(sc, DAC_MASK, 0xff); 647 regwb(sc, DAC_WINDEX, MACHFB_CMAP_OFF); 648 for (i = 0; i < 16; i++) { 649 regwb(sc, DAC_DATA, machfb_default_cmap[i].red); 650 regwb(sc, DAC_DATA, machfb_default_cmap[i].green); 651 regwb(sc, DAC_DATA, machfb_default_cmap[i].blue); 652 } 653 regwb(sc, DAC_MASK, dac_mask); 654 regwb(sc, DAC_RINDEX, dac_rindex); 655 regwb(sc, DAC_WINDEX, dac_windex); 656 657 machfb_blank_display(adp, V_DISPLAY_ON); 658 machfb_clear(adp); 659 660 /* 661 * Setting V_ADP_MODECHANGE serves as hack so machfb_set_mode() 662 * (which will invalidate our caches) is called as a precaution 663 * when the X server shuts down. 664 */ 665 adp->va_flags |= V_ADP_COLOR | V_ADP_MODECHANGE | V_ADP_PALETTE | 666 V_ADP_BORDER | V_ADP_INITIALIZED; 667 if (vid_register(adp) < 0) 668 return (ENXIO); 669 adp->va_flags |= V_ADP_REGISTERED; 670 671 return (0); 672} 673 674static int 675machfb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 676{ 677 678 bcopy(&adp->va_info, info, sizeof(*info)); 679 680 return (0); 681} 682 683static int 684machfb_query_mode(video_adapter_t *adp, video_info_t *info) 685{ 686 687 return (ENODEV); 688} 689 690static int 691machfb_set_mode(video_adapter_t *adp, int mode) 692{ 693 struct machfb_softc *sc; 694 695 sc = (struct machfb_softc *)adp; 696 697 sc->sc_bg_cache = -1; 698 sc->sc_fg_cache = -1; 699 sc->sc_draw_cache = -1; 700 701 return (0); 702} 703 704static int 705machfb_save_font(video_adapter_t *adp, int page, int size, int width, 706 u_char *data, int c, int count) 707{ 708 709 return (ENODEV); 710} 711 712static int 713machfb_load_font(video_adapter_t *adp, int page, int size, int width, 714 u_char *data, int c, int count) 715{ 716 717 return (ENODEV); 718} 719 720static int 721machfb_show_font(video_adapter_t *adp, int page) 722{ 723 724 return (ENODEV); 725} 726 727static int 728machfb_save_palette(video_adapter_t *adp, u_char *palette) 729{ 730 struct machfb_softc *sc; 731 int i; 732 uint8_t dac_mask, dac_rindex, dac_windex; 733 734 sc = (struct machfb_softc *)adp; 735 736 dac_rindex = regrb(sc, DAC_RINDEX); 737 dac_windex = regrb(sc, DAC_WINDEX); 738 dac_mask = regrb(sc, DAC_MASK); 739 regwb(sc, DAC_MASK, 0xff); 740 regwb(sc, DAC_RINDEX, 0x0); 741 for (i = 0; i < 256 * 3; i++) 742 palette[i] = regrb(sc, DAC_DATA); 743 regwb(sc, DAC_MASK, dac_mask); 744 regwb(sc, DAC_RINDEX, dac_rindex); 745 regwb(sc, DAC_WINDEX, dac_windex); 746 747 return (0); 748} 749 750static int 751machfb_load_palette(video_adapter_t *adp, u_char *palette) 752{ 753 struct machfb_softc *sc; 754 int i; 755 uint8_t dac_mask, dac_rindex, dac_windex; 756 757 sc = (struct machfb_softc *)adp; 758 759 dac_rindex = regrb(sc, DAC_RINDEX); 760 dac_windex = regrb(sc, DAC_WINDEX); 761 dac_mask = regrb(sc, DAC_MASK); 762 regwb(sc, DAC_MASK, 0xff); 763 regwb(sc, DAC_WINDEX, 0x0); 764 for (i = 0; i < 256 * 3; i++) 765 regwb(sc, DAC_DATA, palette[i]); 766 regwb(sc, DAC_MASK, dac_mask); 767 regwb(sc, DAC_RINDEX, dac_rindex); 768 regwb(sc, DAC_WINDEX, dac_windex); 769 770 return (0); 771} 772 773static int 774machfb_set_border(video_adapter_t *adp, int border) 775{ 776 struct machfb_softc *sc; 777 778 sc = (struct machfb_softc *)adp; 779 780 machfb_fill_rect(adp, border, 0, 0, sc->sc_width, sc->sc_ymargin); 781 machfb_fill_rect(adp, border, 0, sc->sc_height - sc->sc_ymargin, 782 sc->sc_width, sc->sc_ymargin); 783 machfb_fill_rect(adp, border, 0, 0, sc->sc_xmargin, sc->sc_height); 784 machfb_fill_rect(adp, border, sc->sc_width - sc->sc_xmargin, 0, 785 sc->sc_xmargin, sc->sc_height); 786 787 return (0); 788} 789 790static int 791machfb_save_state(video_adapter_t *adp, void *p, size_t size) 792{ 793 794 return (ENODEV); 795} 796 797static int 798machfb_load_state(video_adapter_t *adp, void *p) 799{ 800 801 return (ENODEV); 802} 803 804static int 805machfb_set_win_org(video_adapter_t *adp, off_t offset) 806{ 807 808 return (ENODEV); 809} 810 811static int 812machfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 813{ 814 815 *col = 0; 816 *row = 0; 817 818 return (0); 819} 820 821static int 822machfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 823{ 824 825 return (ENODEV); 826} 827 828static int 829machfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 830 int celsize, int blink) 831{ 832 833 return (ENODEV); 834} 835 836static int 837machfb_blank_display(video_adapter_t *adp, int mode) 838{ 839 struct machfb_softc *sc; 840 uint32_t crtc_gen_cntl; 841 842 sc = (struct machfb_softc *)adp; 843 844 crtc_gen_cntl = (regr(sc, CRTC_GEN_CNTL) | CRTC_EXT_DISP_EN | CRTC_EN) & 845 ~(CRTC_HSYNC_DIS | CRTC_VSYNC_DIS | CRTC_DISPLAY_DIS); 846 switch (mode) { 847 case V_DISPLAY_ON: 848 break; 849 case V_DISPLAY_BLANK: 850 crtc_gen_cntl |= CRTC_HSYNC_DIS | CRTC_VSYNC_DIS | 851 CRTC_DISPLAY_DIS; 852 break; 853 case V_DISPLAY_STAND_BY: 854 crtc_gen_cntl |= CRTC_HSYNC_DIS | CRTC_DISPLAY_DIS; 855 break; 856 case V_DISPLAY_SUSPEND: 857 crtc_gen_cntl |= CRTC_VSYNC_DIS | CRTC_DISPLAY_DIS; 858 break; 859 } 860 regw(sc, CRTC_GEN_CNTL, crtc_gen_cntl); 861 862 return (0); 863} 864 865static int 866machfb_mmap(video_adapter_t *adp, vm_offset_t offset, vm_paddr_t *paddr, 867 int prot) 868{ 869 struct machfb_softc *sc; 870 871 sc = (struct machfb_softc *)adp; 872 873 if (adp->va_io_base != 0 && offset >= adp->va_io_base && 874 offset < adp->va_io_base + adp->va_io_size) { 875 *paddr = sc->sc_vioh + offset - adp->va_io_size; 876 return (0); 877 } 878 879 if (adp->va_mem_base != 0 && offset >= adp->va_mem_base && 880 offset < adp->va_mem_base + adp->va_mem_size) { 881 *paddr = sc->sc_vmemh + offset - adp->va_mem_base; 882 return (0); 883 } 884 885 if (offset >= adp->va_registers && 886 offset < adp->va_registers + adp->va_registers_size) { 887 *paddr = sc->sc_memh + offset - adp->va_registers; 888 return (0); 889 } 890 891 /* 'regular' framebuffer mmap()ing */ 892 if (offset < adp->va_window_size) { 893 *paddr = adp->va_window + offset; 894 return (0); 895 } 896 897 return (EINVAL); 898} 899 900static int 901machfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 902{ 903 struct machfb_softc *sc; 904 struct fbcursor *fbc; 905 struct fbtype *fb; 906 907 sc = (struct machfb_softc *)adp; 908 909 switch (cmd) { 910 case FBIOGTYPE: 911 fb = (struct fbtype *)data; 912 fb->fb_type = FBTYPE_PCIMISC; 913 fb->fb_height = sc->sc_height; 914 fb->fb_width = sc->sc_width; 915 fb->fb_depth = sc->sc_depth; 916 if (sc->sc_depth <= 1 || sc->sc_depth > 8) 917 fb->fb_cmsize = 0; 918 else 919 fb->fb_cmsize = 1 << sc->sc_depth; 920 fb->fb_size = adp->va_buffer_size; 921 break; 922 case FBIOSCURSOR: 923 fbc = (struct fbcursor *)data; 924 if (fbc->set & FB_CUR_SETCUR && fbc->enable == 0) { 925 machfb_cursor_enable(sc, 0); 926 sc->sc_flags &= ~MACHFB_CUREN; 927 } else 928 return (ENODEV); 929 break; 930 default: 931 return (fb_commonioctl(adp, cmd, data)); 932 } 933 934 return (0); 935} 936 937static int 938machfb_clear(video_adapter_t *adp) 939{ 940 struct machfb_softc *sc; 941 942 sc = (struct machfb_softc *)adp; 943 944 machfb_fill_rect(adp, (SC_NORM_ATTR >> 4) & 0xf, 0, 0, sc->sc_width, 945 sc->sc_height); 946 947 return (0); 948} 949 950static int 951machfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 952{ 953 struct machfb_softc *sc; 954 955 sc = (struct machfb_softc *)adp; 956 957 if (sc->sc_draw_cache != MACHFB_DRAW_FILLRECT) { 958 wait_for_fifo(sc, 7); 959 regw(sc, DP_WRITE_MASK, 0xff); 960 regw(sc, DP_PIX_WIDTH, DST_8BPP | SRC_8BPP | HOST_8BPP); 961 regw(sc, DP_SRC, FRGD_SRC_FRGD_CLR); 962 regw(sc, DP_MIX, MIX_SRC << 16); 963 regw(sc, CLR_CMP_CNTL, 0); /* no transparency */ 964 regw(sc, SRC_CNTL, SRC_LINE_X_LEFT_TO_RIGHT); 965 regw(sc, DST_CNTL, DST_X_LEFT_TO_RIGHT | DST_Y_TOP_TO_BOTTOM); 966 sc->sc_draw_cache = MACHFB_DRAW_FILLRECT; 967 } 968 machfb_setfg(sc, val); 969 wait_for_fifo(sc, 4); 970 regw(sc, SRC_Y_X, (x << 16) | y); 971 regw(sc, SRC_WIDTH1, cx); 972 regw(sc, DST_Y_X, (x << 16) | y); 973 regw(sc, DST_HEIGHT_WIDTH, (cx << 16) | cy); 974 975 return (0); 976} 977 978static int 979machfb_bitblt(video_adapter_t *adp, ...) 980{ 981 982 return (ENODEV); 983} 984 985static int 986machfb_diag(video_adapter_t *adp, int level) 987{ 988 video_info_t info; 989 990 fb_dump_adp_info(adp->va_name, adp, level); 991 machfb_get_info(adp, 0, &info); 992 fb_dump_mode_info(adp->va_name, adp, &info, level); 993 994 return (0); 995} 996 997static int 998machfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 999{ 1000 1001 return (ENODEV); 1002} 1003 1004static int 1005machfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 1006{ 1007 1008 return (ENODEV); 1009} 1010 1011static int 1012machfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 1013{ 1014 1015 return (ENODEV); 1016} 1017 1018static int 1019machfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 1020 int size, int bpp, int bit_ltor, int byte_ltor) 1021{ 1022 1023 return (ENODEV); 1024} 1025 1026static int 1027machfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 1028{ 1029 struct machfb_softc *sc; 1030 uint8_t *p; 1031 int i; 1032 1033 sc = (struct machfb_softc *)adp; 1034 1035 if (sc->sc_draw_cache != MACHFB_DRAW_CHAR) { 1036 wait_for_fifo(sc, 8); 1037 regw(sc, DP_WRITE_MASK, 0xff); /* XXX only good for 8 bit */ 1038 regw(sc, DP_PIX_WIDTH, DST_8BPP | SRC_1BPP | HOST_1BPP); 1039 regw(sc, DP_SRC, MONO_SRC_HOST | BKGD_SRC_BKGD_CLR | 1040 FRGD_SRC_FRGD_CLR); 1041 regw(sc, DP_MIX ,((MIX_SRC & 0xffff) << 16) | MIX_SRC); 1042 regw(sc, CLR_CMP_CNTL, 0); /* no transparency */ 1043 regw(sc, SRC_CNTL, SRC_LINE_X_LEFT_TO_RIGHT); 1044 regw(sc, DST_CNTL, DST_Y_TOP_TO_BOTTOM | DST_X_LEFT_TO_RIGHT); 1045 regw(sc, HOST_CNTL, HOST_BYTE_ALIGN); 1046 sc->sc_draw_cache = MACHFB_DRAW_CHAR; 1047 } 1048 machfb_setbg(sc, (a >> 4) & 0xf); 1049 machfb_setfg(sc, a & 0xf); 1050 wait_for_fifo(sc, 4 + (adp->va_info.vi_cheight / sc->sc_cbwidth)); 1051 regw(sc, SRC_Y_X, 0); 1052 regw(sc, SRC_WIDTH1, adp->va_info.vi_cwidth); 1053 regw(sc, DST_Y_X, ((((off % adp->va_info.vi_width) * 1054 adp->va_info.vi_cwidth) + sc->sc_xmargin) << 16) | 1055 (((off / adp->va_info.vi_width) * adp->va_info.vi_cheight) + 1056 sc->sc_ymargin)); 1057 regw(sc, DST_HEIGHT_WIDTH, (adp->va_info.vi_cwidth << 16) | 1058 adp->va_info.vi_cheight); 1059 p = sc->sc_font + (c * adp->va_info.vi_cheight * sc->sc_cbwidth); 1060 for (i = 0; i < adp->va_info.vi_cheight * sc->sc_cbwidth; i += 4) 1061 regw(sc, HOST_DATA0 + i, (p[i + 3] << 24 | p[i + 2] << 16 | 1062 p[i + 1] << 8 | p[i])); 1063 1064 return (0); 1065} 1066 1067static int 1068machfb_puts(video_adapter_t *adp, vm_offset_t off, uint16_t *s, int len) 1069{ 1070 struct machfb_softc *sc; 1071 int blanks, i, x1, x2, y1, y2; 1072 uint8_t a, c, color1, color2; 1073 1074 sc = (struct machfb_softc *)adp; 1075 1076#define MACHFB_BLANK machfb_fill_rect(adp, color1, x1, y1, \ 1077 blanks * adp->va_info.vi_cwidth, \ 1078 adp->va_info.vi_cheight) 1079 1080 blanks = color1 = x1 = y1 = 0; 1081 for (i = 0; i < len; i++) { 1082 /* 1083 * Accelerate continuous blanks by drawing a respective 1084 * rectangle instead. Drawing a rectangle of any size 1085 * takes about the same number of operations as drawing 1086 * a single character. 1087 */ 1088 c = s[i] & 0xff; 1089 a = (s[i] & 0xff00) >> 8; 1090 if (c == 0x00 || c == 0x20 || c == 0xdb || c == 0xff) { 1091 color2 = (a >> (c == 0xdb ? 0 : 4) & 0xf); 1092 x2 = (((off + i) % adp->va_info.vi_width) * 1093 adp->va_info.vi_cwidth) + sc->sc_xmargin; 1094 y2 = (((off + i) / adp->va_info.vi_width) * 1095 adp->va_info.vi_cheight) + sc->sc_ymargin; 1096 if (blanks == 0) { 1097 color1 = color2; 1098 x1 = x2; 1099 y1 = y2; 1100 blanks++; 1101 } else if (color1 != color2 || y1 != y2) { 1102 MACHFB_BLANK; 1103 color1 = color2; 1104 x1 = x2; 1105 y1 = y2; 1106 blanks = 1; 1107 } else 1108 blanks++; 1109 } else { 1110 if (blanks != 0) { 1111 MACHFB_BLANK; 1112 blanks = 0; 1113 } 1114 (*vidsw[adp->va_index]->putc)(adp, off + i, c, a); 1115 } 1116 } 1117 if (blanks != 0) 1118 MACHFB_BLANK; 1119 1120#undef MACHFB_BLANK 1121 1122 return (0); 1123} 1124 1125static int 1126machfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 1127 uint32_t pixel_mask, int size, int width) 1128{ 1129 struct machfb_softc *sc; 1130 int error; 1131 1132 sc = (struct machfb_softc *)adp; 1133 1134 if ((!(sc->sc_flags & MACHFB_CUREN)) && 1135 (error = machfb_cursor_install(sc)) < 0) 1136 return (error); 1137 else { 1138 /* 1139 * The hardware cursor always must be disabled when 1140 * fiddling with its bits otherwise some artifacts 1141 * may appear on the screen. 1142 */ 1143 machfb_cursor_enable(sc, 0); 1144 } 1145 1146 regw(sc, CUR_HORZ_VERT_OFF, 0); 1147 if ((regr(sc, GEN_TEST_CNTL) & CRTC_DBL_SCAN_EN) != 0) 1148 y <<= 1; 1149 regw(sc, CUR_HORZ_VERT_POSN, ((y + sc->sc_ymargin) << 16) | 1150 (x + sc->sc_xmargin)); 1151 machfb_cursor_enable(sc, 1); 1152 sc->sc_flags |= MACHFB_CUREN; 1153 1154 return (0); 1155} 1156 1157/* 1158 * PCI bus interface 1159 */ 1160static int 1161machfb_pci_probe(device_t dev) 1162{ 1163 int i; 1164 1165 if (pci_get_class(dev) != PCIC_DISPLAY || 1166 pci_get_subclass(dev) != PCIS_DISPLAY_VGA) 1167 return (ENXIO); 1168 1169 for (i = 0; i < sizeof(machfb_info) / sizeof(machfb_info[0]); i++) { 1170 if (pci_get_device(dev) == machfb_info[i].chip_id) { 1171 device_set_desc(dev, machfb_info[i].name); 1172 return (BUS_PROBE_DEFAULT); 1173 } 1174 } 1175 1176 return (ENXIO); 1177} 1178 1179static int 1180machfb_pci_attach(device_t dev) 1181{ 1182 struct machfb_softc *sc; 1183 video_adapter_t *adp; 1184 video_switch_t *sw; 1185 phandle_t node; 1186 uint32_t *p32, saved_value; 1187 uint8_t *p; 1188 int error, i; 1189 1190 node = ofw_bus_get_node(dev); 1191 if ((sc = (struct machfb_softc *)vid_get_adapter(vid_find_adapter( 1192 MACHFB_DRIVER_NAME, 0))) != NULL && sc->sc_node == node) { 1193 device_printf(dev, "console\n"); 1194 device_set_softc(dev, sc); 1195 } else { 1196 sc = device_get_softc(dev); 1197 bzero(sc, sizeof(struct machfb_softc)); 1198 1199 sc->sc_node = node; 1200 sc->sc_chip_id = pci_get_device(dev); 1201 sc->sc_chip_rev = pci_get_revid(dev); 1202 } 1203 adp = &sc->sc_va; 1204 1205 /* 1206 * Regardless whether we are the console and already allocated 1207 * resources in machfb_configure() or not we have to allocate 1208 * them here (again) in order for rman_get_virtual() to work. 1209 */ 1210 1211 /* Enable memory and IO access. */ 1212 pci_write_config(dev, PCIR_COMMAND, 1213 pci_read_config(dev, PCIR_COMMAND, 2) | PCIM_CMD_PORTEN | 1214 PCIM_CMD_MEMEN, 2); 1215 1216 sc->sc_memrid = PCIR_BAR(0); 1217 if ((sc->sc_memres = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 1218 &sc->sc_memrid, RF_ACTIVE)) == NULL) { 1219 device_printf(dev, "cannot allocate memory resources\n"); 1220 return (ENXIO); 1221 } 1222 sc->sc_memt = rman_get_bustag(sc->sc_memres); 1223 sc->sc_memh = rman_get_bushandle(sc->sc_memres); 1224 adp->va_registers = rman_get_start(sc->sc_memres); 1225 adp->va_registers_size = rman_get_size(sc->sc_memres); 1226 sc->sc_regt = sc->sc_memt; 1227 bus_space_subregion(sc->sc_regt, sc->sc_memh, MACH64_REG_OFF, 1228 MACH64_REG_SIZE, &sc->sc_regh); 1229 adp->va_buffer = (vm_offset_t)rman_get_virtual(sc->sc_memres); 1230 adp->va_buffer_size = rman_get_size(sc->sc_memres); 1231 1232 /* 1233 * Depending on the firmware version the VGA I/O and/or memory 1234 * resources of the Mach64 chips come up disabled. We generally 1235 * enable them above (pci(4) actually already did this unless 1236 * pci_enable_io_modes is not set) but this doesn't necessarily 1237 * mean that we get valid ones. Invalid resources seem to have 1238 * in common that they start at address 0. We don't allocate 1239 * them in this case in order to avoid warnings in apb(4) and 1240 * crashes when using these invalid resources. Xorg is aware 1241 * of this and doesn't use the VGA resources in this case (but 1242 * demands them if they are valid). 1243 */ 1244 sc->sc_viorid = PCIR_BAR(1); 1245 if (bus_get_resource_start(dev, SYS_RES_IOPORT, sc->sc_viorid) != 0) { 1246 if ((sc->sc_viores = bus_alloc_resource_any(dev, 1247 SYS_RES_IOPORT, &sc->sc_viorid, RF_ACTIVE)) == NULL) { 1248 device_printf(dev, 1249 "cannot allocate VGA I/O resources\n"); 1250 error = ENXIO; 1251 goto fail_memres; 1252 } 1253 sc->sc_viot = rman_get_bustag(sc->sc_viores); 1254 sc->sc_vioh = rman_get_bushandle(sc->sc_viores); 1255 adp->va_io_base = rman_get_start(sc->sc_viores); 1256 adp->va_io_size = rman_get_size(sc->sc_viores); 1257 } 1258 1259 sc->sc_vmemrid = PCIR_BAR(2); 1260 if (bus_get_resource_start(dev, SYS_RES_MEMORY, sc->sc_vmemrid) != 0) { 1261 if ((sc->sc_vmemres = bus_alloc_resource_any(dev, 1262 SYS_RES_MEMORY, &sc->sc_vmemrid, RF_ACTIVE)) == NULL) { 1263 device_printf(dev, 1264 "cannot allocate VGA memory resources\n"); 1265 error = ENXIO; 1266 goto fail_viores; 1267 } 1268 sc->sc_vmemt = rman_get_bustag(sc->sc_vmemres); 1269 sc->sc_vmemh = rman_get_bushandle(sc->sc_vmemres); 1270 adp->va_mem_base = rman_get_start(sc->sc_vmemres); 1271 adp->va_mem_size = rman_get_size(sc->sc_vmemres); 1272 } 1273 1274 device_printf(dev, 1275 "%d MB aperture at 0x%08x, %d KB registers at 0x%08x\n", 1276 (u_int)(adp->va_buffer_size / (1024 * 1024)), 1277 (u_int)adp->va_buffer, MACH64_REG_SIZE / 1024, 1278 (u_int)sc->sc_regh); 1279 1280 if (!(sc->sc_flags & MACHFB_CONSOLE)) { 1281 if ((sw = vid_get_switch(MACHFB_DRIVER_NAME)) == NULL) { 1282 device_printf(dev, "cannot get video switch\n"); 1283 error = ENODEV; 1284 goto fail_vmemres; 1285 } 1286 /* 1287 * During device configuration we don't necessarily probe 1288 * the adapter which is the console first so we can't use 1289 * the device unit number for the video adapter unit. The 1290 * worst case would be that we use the video adapter unit 1291 * 0 twice. As it doesn't really matter which unit number 1292 * the corresponding video adapter has just use the next 1293 * unused one. 1294 */ 1295 for (i = 0; i < devclass_get_maxunit(machfb_devclass); i++) 1296 if (vid_find_adapter(MACHFB_DRIVER_NAME, i) < 0) 1297 break; 1298 if ((error = sw->init(i, adp, 0)) != 0) { 1299 device_printf(dev, "cannot initialize adapter\n"); 1300 goto fail_vmemres; 1301 } 1302 } 1303 1304 device_printf(dev, 1305 "%ld KB %s %d.%d MHz, maximum RAMDAC clock %d MHz, %sDSP\n", 1306 (u_long)sc->sc_memsize, machfb_memtype_names[sc->sc_memtype], 1307 sc->sc_mem_freq / 1000, sc->sc_mem_freq % 1000, 1308 sc->sc_ramdac_freq / 1000, 1309 (sc->sc_flags & MACHFB_DSP) ? "" : "no "); 1310 device_printf(dev, "resolution %dx%d at %d bpp\n", 1311 sc->sc_width, sc->sc_height, sc->sc_depth); 1312 1313 /* 1314 * Test whether the aperture is byte swapped or not, set 1315 * va_window and va_window_size as appropriate. 1316 */ 1317 p32 = (uint32_t *)adp->va_buffer; 1318 saved_value = *p32; 1319 p = (uint8_t *)adp->va_buffer; 1320 *p32 = 0x12345678; 1321 if (!(p[0] == 0x12 && p[1] == 0x34 && p[2] == 0x56 && p[3] == 0x78)) { 1322 adp->va_window = adp->va_buffer + 0x800000; 1323 adp->va_window_size = adp->va_buffer_size - 0x800000; 1324 } else { 1325 adp->va_window = adp->va_buffer; 1326 adp->va_window_size = adp->va_buffer_size; 1327 } 1328 *p32 = saved_value; 1329 adp->va_window_gran = adp->va_window_size; 1330 1331 /* 1332 * Allocate one page for the mouse pointer image at the end of 1333 * the little endian aperture, right before the memory mapped 1334 * registers that might also reside there. Must be done after 1335 * sc_memsize was set and possibly adjusted to account for the 1336 * memory mapped registers. 1337 */ 1338 sc->sc_curoff = (sc->sc_memsize * 1024) - PAGE_SIZE; 1339 sc->sc_memsize -= PAGE_SIZE / 1024; 1340 machfb_cursor_enable(sc, 0); 1341 /* Initialize with an all transparent image. */ 1342 memset((void *)(adp->va_buffer + sc->sc_curoff), 0xaa, PAGE_SIZE); 1343 1344 /* 1345 * Register a handler that performs some cosmetic surgery like 1346 * turning off the mouse pointer on halt in preparation for 1347 * handing the screen over to the OFW. Register another handler 1348 * that turns off the CRTC when resetting, otherwise the OFW 1349 * boot command issued by cpu_reset() just doesn't work. 1350 */ 1351 EVENTHANDLER_REGISTER(shutdown_final, machfb_shutdown_final, sc, 1352 SHUTDOWN_PRI_DEFAULT); 1353 EVENTHANDLER_REGISTER(shutdown_reset, machfb_shutdown_reset, sc, 1354 SHUTDOWN_PRI_DEFAULT); 1355 1356 return (0); 1357 1358 fail_vmemres: 1359 if (sc->sc_vmemres != NULL) 1360 bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_vmemrid, 1361 sc->sc_vmemres); 1362 fail_viores: 1363 if (sc->sc_viores != NULL) 1364 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_viorid, 1365 sc->sc_viores); 1366 fail_memres: 1367 bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_memrid, sc->sc_memres); 1368 1369 return (error); 1370} 1371 1372static int 1373machfb_pci_detach(device_t dev) 1374{ 1375 1376 return (EINVAL); 1377} 1378 1379/* 1380 * internal functions 1381 */ 1382static void 1383machfb_cursor_enable(struct machfb_softc *sc, int onoff) 1384{ 1385 1386 if (onoff) 1387 regw(sc, GEN_TEST_CNTL, 1388 regr(sc, GEN_TEST_CNTL) | HWCURSOR_ENABLE); 1389 else 1390 regw(sc, GEN_TEST_CNTL, 1391 regr(sc, GEN_TEST_CNTL) &~ HWCURSOR_ENABLE); 1392} 1393 1394static int 1395machfb_cursor_install(struct machfb_softc *sc) 1396{ 1397 uint16_t *p; 1398 uint8_t fg; 1399 int i, j; 1400 1401 if (sc->sc_curoff == 0) 1402 return (ENODEV); 1403 1404 machfb_cursor_enable(sc, 0); 1405 regw(sc, CUR_OFFSET, sc->sc_curoff >> 3); 1406 fg = SC_NORM_ATTR & 0xf; 1407 regw(sc, CUR_CLR0, machfb_default_cmap[fg].red << 24 | 1408 machfb_default_cmap[fg].green << 16 | 1409 machfb_default_cmap[fg].blue << 8); 1410 p = (uint16_t *)(sc->sc_va.va_buffer + sc->sc_curoff); 1411 for (i = 0; i < 64; i++) 1412 for (j = 0; j < 8; j++) 1413 *(p++) = machfb_mouse_pointer_lut[ 1414 machfb_mouse_pointer_bits[i][j] >> 4] | 1415 machfb_mouse_pointer_lut[ 1416 machfb_mouse_pointer_bits[i][j] & 0x0f] << 8; 1417 1418 return (0); 1419} 1420 1421static int 1422machfb_get_memsize(struct machfb_softc *sc) 1423{ 1424 int tmp, memsize; 1425 int mem_tab[] = { 1426 512, 1024, 2048, 4096, 6144, 8192, 12288, 16384 1427 }; 1428 1429 tmp = regr(sc, MEM_CNTL); 1430#ifdef MACHFB_DEBUG 1431 printf("memcntl=0x%08x\n", tmp); 1432#endif 1433 if (sc->sc_flags & MACHFB_DSP) { 1434 tmp &= 0x0000000f; 1435 if (tmp < 8) 1436 memsize = (tmp + 1) * 512; 1437 else if (tmp < 12) 1438 memsize = (tmp - 3) * 1024; 1439 else 1440 memsize = (tmp - 7) * 2048; 1441 } else 1442 memsize = mem_tab[tmp & 0x07]; 1443 1444 return (memsize); 1445} 1446 1447static void 1448machfb_reset_engine(struct machfb_softc *sc) 1449{ 1450 1451 /* Reset engine.*/ 1452 regw(sc, GEN_TEST_CNTL, regr(sc, GEN_TEST_CNTL) & ~GUI_ENGINE_ENABLE); 1453 1454 /* Enable engine. */ 1455 regw(sc, GEN_TEST_CNTL, regr(sc, GEN_TEST_CNTL) | GUI_ENGINE_ENABLE); 1456 1457 /* 1458 * Ensure engine is not locked up by clearing any FIFO or 1459 * host errors. 1460 */ 1461 regw(sc, BUS_CNTL, regr(sc, BUS_CNTL) | BUS_HOST_ERR_ACK | 1462 BUS_FIFO_ERR_ACK); 1463} 1464 1465static void 1466machfb_init_engine(struct machfb_softc *sc) 1467{ 1468 uint32_t pitch_value; 1469 1470 pitch_value = sc->sc_width; 1471 1472 if (sc->sc_depth == 24) 1473 pitch_value *= 3; 1474 1475 machfb_reset_engine(sc); 1476 1477 wait_for_fifo(sc, 14); 1478 1479 regw(sc, CONTEXT_MASK, 0xffffffff); 1480 1481 regw(sc, DST_OFF_PITCH, (pitch_value / 8) << 22); 1482 1483 regw(sc, DST_Y_X, 0); 1484 regw(sc, DST_HEIGHT, 0); 1485 regw(sc, DST_BRES_ERR, 0); 1486 regw(sc, DST_BRES_INC, 0); 1487 regw(sc, DST_BRES_DEC, 0); 1488 1489 regw(sc, DST_CNTL, DST_LAST_PEL | DST_X_LEFT_TO_RIGHT | 1490 DST_Y_TOP_TO_BOTTOM); 1491 1492 regw(sc, SRC_OFF_PITCH, (pitch_value / 8) << 22); 1493 1494 regw(sc, SRC_Y_X, 0); 1495 regw(sc, SRC_HEIGHT1_WIDTH1, 1); 1496 regw(sc, SRC_Y_X_START, 0); 1497 regw(sc, SRC_HEIGHT2_WIDTH2, 1); 1498 1499 regw(sc, SRC_CNTL, SRC_LINE_X_LEFT_TO_RIGHT); 1500 1501 wait_for_fifo(sc, 13); 1502 regw(sc, HOST_CNTL, 0); 1503 1504 regw(sc, PAT_REG0, 0); 1505 regw(sc, PAT_REG1, 0); 1506 regw(sc, PAT_CNTL, 0); 1507 1508 regw(sc, SC_LEFT, 0); 1509 regw(sc, SC_TOP, 0); 1510 regw(sc, SC_BOTTOM, sc->sc_height - 1); 1511 regw(sc, SC_RIGHT, pitch_value - 1); 1512 1513 regw(sc, DP_BKGD_CLR, 0); 1514 regw(sc, DP_FRGD_CLR, 0xffffffff); 1515 regw(sc, DP_WRITE_MASK, 0xffffffff); 1516 regw(sc, DP_MIX, (MIX_SRC << 16) | MIX_DST); 1517 1518 regw(sc, DP_SRC, FRGD_SRC_FRGD_CLR); 1519 1520 wait_for_fifo(sc, 3); 1521 regw(sc, CLR_CMP_CLR, 0); 1522 regw(sc, CLR_CMP_MASK, 0xffffffff); 1523 regw(sc, CLR_CMP_CNTL, 0); 1524 1525 wait_for_fifo(sc, 2); 1526 switch (sc->sc_depth) { 1527 case 8: 1528 regw(sc, DP_PIX_WIDTH, HOST_8BPP | SRC_8BPP | DST_8BPP); 1529 regw(sc, DP_CHAIN_MASK, DP_CHAIN_8BPP); 1530 regw(sc, DAC_CNTL, regr(sc, DAC_CNTL) | DAC_8BIT_EN); 1531 break; 1532#if 0 1533 case 32: 1534 regw(sc, DP_PIX_WIDTH, HOST_32BPP | SRC_32BPP | DST_32BPP); 1535 regw(sc, DP_CHAIN_MASK, DP_CHAIN_32BPP); 1536 regw(sc, DAC_CNTL, regr(sc, DAC_CNTL) | DAC_8BIT_EN); 1537 break; 1538#endif 1539 } 1540 1541 wait_for_fifo(sc, 2); 1542 regw(sc, CRTC_INT_CNTL, regr(sc, CRTC_INT_CNTL) & ~0x20); 1543 regw(sc, GUI_TRAJ_CNTL, DST_X_LEFT_TO_RIGHT | DST_Y_TOP_TO_BOTTOM); 1544 1545 wait_for_idle(sc); 1546} 1547 1548#if 0 1549static void 1550machfb_adjust_frame(struct machfb_softc *sc, int x, int y) 1551{ 1552 int offset; 1553 1554 offset = ((x + y * sc->sc_width) * (sc->sc_depth >> 3)) >> 3; 1555 1556 regw(sc, CRTC_OFF_PITCH, (regr(sc, CRTC_OFF_PITCH) & 0xfff00000) | 1557 offset); 1558} 1559#endif 1560 1561static void 1562machfb_shutdown_final(void *v) 1563{ 1564 struct machfb_softc *sc = v; 1565 1566 machfb_cursor_enable(sc, 0); 1567 /* 1568 * In case this is the console set the cursor of the stdout 1569 * instance to the start of the last line so OFW output ends 1570 * up beneath what FreeBSD left on the screen. 1571 */ 1572 if (sc->sc_flags & MACHFB_CONSOLE) { 1573 OF_interpret("stdout @ is my-self 0 to column#", 0); 1574 OF_interpret("stdout @ is my-self #lines 1 - to line#", 0); 1575 } 1576} 1577 1578static void 1579machfb_shutdown_reset(void *v) 1580{ 1581 struct machfb_softc *sc = v; 1582 1583 machfb_blank_display(&sc->sc_va, V_DISPLAY_STAND_BY); 1584} 1585