machfb.c revision 330897
1/*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2002 Bang Jun-Young 5 * Copyright (c) 2005 Marius Strobl <marius@FreeBSD.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 * from: NetBSD: machfb.c,v 1.23 2005/03/07 21:45:24 martin Exp 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD: stable/11/sys/dev/fb/machfb.c 330897 2018-03-14 03:19:51Z eadler $"); 35 36/* 37 * Driver for ATI Mach64 graphics chips. Some code is derived from the 38 * ATI Rage Pro and Derivatives Programmer's Guide. 39 */ 40 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/bus.h> 44#include <sys/consio.h> 45#include <sys/endian.h> 46#include <sys/eventhandler.h> 47#include <sys/fbio.h> 48#include <sys/kernel.h> 49#include <sys/module.h> 50#include <sys/resource.h> 51 52#include <vm/vm.h> 53#include <vm/pmap.h> 54 55#include <dev/ofw/ofw_bus.h> 56#include <dev/ofw/openfirm.h> 57 58#include <machine/bus.h> 59#include <machine/bus_private.h> 60#include <machine/ofw_machdep.h> 61#include <machine/resource.h> 62#include <machine/sc_machdep.h> 63 64#include <sys/rman.h> 65 66#include <dev/fb/fbreg.h> 67#include <dev/fb/gfb.h> 68#include <dev/fb/machfbreg.h> 69#include <dev/pci/pcivar.h> 70#include <dev/pci/pcireg.h> 71#include <dev/syscons/syscons.h> 72 73/* #define MACHFB_DEBUG */ 74 75#define MACHFB_DRIVER_NAME "machfb" 76 77#define MACH64_REG_OFF 0x7ffc00 78#define MACH64_REG_SIZE 1024 79 80struct machfb_softc { 81 video_adapter_t sc_va; /* must be first */ 82 83 phandle_t sc_node; 84 uint16_t sc_chip_id; 85 uint8_t sc_chip_rev; 86 87 struct resource *sc_memres; 88 struct resource *sc_vmemres; 89 bus_space_tag_t sc_memt; 90 bus_space_tag_t sc_regt; 91 bus_space_tag_t sc_vmemt; 92 bus_space_handle_t sc_memh; 93 bus_space_handle_t sc_vmemh; 94 bus_space_handle_t sc_regh; 95 u_long sc_mem; 96 u_long sc_vmem; 97 98 u_int sc_height; 99 u_int sc_width; 100 u_int sc_depth; 101 u_int sc_xmargin; 102 u_int sc_ymargin; 103 104 size_t sc_memsize; 105 u_int sc_memtype; 106 u_int sc_mem_freq; 107 u_int sc_ramdac_freq; 108 u_int sc_ref_freq; 109 110 u_int sc_ref_div; 111 u_int sc_mclk_post_div; 112 u_int sc_mclk_fb_div; 113 114 const u_char *sc_font; 115 u_int sc_cbwidth; 116 vm_offset_t sc_curoff; 117 118 int sc_bg_cache; 119 int sc_fg_cache; 120 u_int sc_draw_cache; 121#define MACHFB_DRAW_CHAR (1 << 0) 122#define MACHFB_DRAW_FILLRECT (1 << 1) 123 124 u_int sc_flags; 125#define MACHFB_CONSOLE (1 << 0) 126#define MACHFB_CUREN (1 << 1) 127#define MACHFB_DSP (1 << 2) 128#define MACHFB_SWAP (1 << 3) 129}; 130 131static const struct { 132 uint16_t chip_id; 133 const char *name; 134 uint32_t ramdac_freq; 135} machfb_info[] = { 136 { ATI_MACH64_CT, "ATI Mach64 CT", 135000 }, 137 { ATI_RAGE_PRO_AGP, "ATI 3D Rage Pro (AGP)", 230000 }, 138 { ATI_RAGE_PRO_AGP1X, "ATI 3D Rage Pro (AGP 1x)", 230000 }, 139 { ATI_RAGE_PRO_PCI_B, "ATI 3D Rage Pro Turbo", 230000 }, 140 { ATI_RAGE_XC_PCI66, "ATI Rage XL (PCI66)", 230000 }, 141 { ATI_RAGE_XL_AGP, "ATI Rage XL (AGP)", 230000 }, 142 { ATI_RAGE_XC_AGP, "ATI Rage XC (AGP)", 230000 }, 143 { ATI_RAGE_XL_PCI66, "ATI Rage XL (PCI66)", 230000 }, 144 { ATI_RAGE_PRO_PCI_P, "ATI 3D Rage Pro", 230000 }, 145 { ATI_RAGE_PRO_PCI_L, "ATI 3D Rage Pro (limited 3D)", 230000 }, 146 { ATI_RAGE_XL_PCI, "ATI Rage XL", 230000 }, 147 { ATI_RAGE_XC_PCI, "ATI Rage XC", 230000 }, 148 { ATI_RAGE_II, "ATI 3D Rage I/II", 135000 }, 149 { ATI_RAGE_IIP, "ATI 3D Rage II+", 200000 }, 150 { ATI_RAGE_IIC_PCI, "ATI 3D Rage IIC", 230000 }, 151 { ATI_RAGE_IIC_AGP_B, "ATI 3D Rage IIC (AGP)", 230000 }, 152 { ATI_RAGE_IIC_AGP_P, "ATI 3D Rage IIC (AGP)", 230000 }, 153 { ATI_RAGE_LT_PRO_AGP, "ATI 3D Rage LT Pro (AGP 133MHz)", 230000 }, 154 { ATI_RAGE_MOB_M3_PCI, "ATI Rage Mobility M3", 230000 }, 155 { ATI_RAGE_MOB_M3_AGP, "ATI Rage Mobility M3 (AGP)", 230000 }, 156 { ATI_RAGE_LT, "ATI 3D Rage LT", 230000 }, 157 { ATI_RAGE_LT_PRO_PCI, "ATI 3D Rage LT Pro", 230000 }, 158 { ATI_RAGE_MOBILITY, "ATI Rage Mobility", 230000 }, 159 { ATI_RAGE_L_MOBILITY, "ATI Rage L Mobility", 230000 }, 160 { ATI_RAGE_LT_PRO, "ATI 3D Rage LT Pro", 230000 }, 161 { ATI_RAGE_LT_PRO2, "ATI 3D Rage LT Pro", 230000 }, 162 { ATI_RAGE_MOB_M1_PCI, "ATI Rage Mobility M1 (PCI)", 230000 }, 163 { ATI_RAGE_L_MOB_M1_PCI, "ATI Rage L Mobility (PCI)", 230000 }, 164 { ATI_MACH64_VT, "ATI Mach64 VT", 170000 }, 165 { ATI_MACH64_VTB, "ATI Mach64 VTB", 200000 }, 166 { ATI_MACH64_VT4, "ATI Mach64 VT4", 230000 } 167}; 168 169static const struct machfb_cmap { 170 uint8_t red; 171 uint8_t green; 172 uint8_t blue; 173} machfb_default_cmap[16] = { 174 {0x00, 0x00, 0x00}, /* black */ 175 {0x00, 0x00, 0xff}, /* blue */ 176 {0x00, 0xff, 0x00}, /* green */ 177 {0x00, 0xc0, 0xc0}, /* cyan */ 178 {0xff, 0x00, 0x00}, /* red */ 179 {0xc0, 0x00, 0xc0}, /* magenta */ 180 {0xc0, 0xc0, 0x00}, /* brown */ 181 {0xc0, 0xc0, 0xc0}, /* light grey */ 182 {0x80, 0x80, 0x80}, /* dark grey */ 183 {0x80, 0x80, 0xff}, /* light blue */ 184 {0x80, 0xff, 0x80}, /* light green */ 185 {0x80, 0xff, 0xff}, /* light cyan */ 186 {0xff, 0x80, 0x80}, /* light red */ 187 {0xff, 0x80, 0xff}, /* light magenta */ 188 {0xff, 0xff, 0x80}, /* yellow */ 189 {0xff, 0xff, 0xff} /* white */ 190}; 191 192#define MACHFB_CMAP_OFF 16 193 194static const u_char machfb_mouse_pointer_bits[64][8] = { 195 { 0x00, 0x00, }, /* ............ */ 196 { 0x80, 0x00, }, /* *........... */ 197 { 0xc0, 0x00, }, /* **.......... */ 198 { 0xe0, 0x00, }, /* ***......... */ 199 { 0xf0, 0x00, }, /* ****........ */ 200 { 0xf8, 0x00, }, /* *****....... */ 201 { 0xfc, 0x00, }, /* ******...... */ 202 { 0xfe, 0x00, }, /* *******..... */ 203 { 0xff, 0x00, }, /* ********.... */ 204 { 0xff, 0x80, }, /* *********... */ 205 { 0xfc, 0xc0, }, /* ******..**.. */ 206 { 0xdc, 0x00, }, /* **.***...... */ 207 { 0x8e, 0x00, }, /* *...***..... */ 208 { 0x0e, 0x00, }, /* ....***..... */ 209 { 0x07, 0x00, }, /* .....***.... */ 210 { 0x04, 0x00, }, /* .....*...... */ 211 { 0x00, 0x00, }, /* ............ */ 212 { 0x00, 0x00, }, /* ............ */ 213 { 0x00, 0x00, }, /* ............ */ 214 { 0x00, 0x00, }, /* ............ */ 215 { 0x00, 0x00, }, /* ............ */ 216 { 0x00, 0x00, }, /* ............ */ 217}; 218 219/* 220 * Lookup table to perform a bit-swap of the mouse pointer bits, 221 * map set bits to CUR_CLR0 and unset bits to transparent. 222 */ 223static const u_char machfb_mouse_pointer_lut[] = { 224 0xaa, 0x2a, 0x8a, 0x0a, 0xa2, 0x22, 0x82, 0x02, 225 0xa8, 0x28, 0x88, 0x08, 0xa0, 0x20, 0x80, 0x00 226}; 227 228static const char *const machfb_memtype_names[] = { 229 "(N/A)", "DRAM", "EDO DRAM", "EDO DRAM", "SDRAM", "SGRAM", "WRAM", 230 "(unknown type)" 231}; 232 233extern const struct gfb_font gallant12x22; 234 235static struct machfb_softc machfb_softc; 236static struct bus_space_tag machfb_bst_store[1]; 237 238static device_probe_t machfb_pci_probe; 239static device_attach_t machfb_pci_attach; 240static device_detach_t machfb_pci_detach; 241 242static device_method_t machfb_methods[] = { 243 /* Device interface */ 244 DEVMETHOD(device_probe, machfb_pci_probe), 245 DEVMETHOD(device_attach, machfb_pci_attach), 246 DEVMETHOD(device_detach, machfb_pci_detach), 247 248 { 0, 0 } 249}; 250 251static driver_t machfb_pci_driver = { 252 MACHFB_DRIVER_NAME, 253 machfb_methods, 254 sizeof(struct machfb_softc), 255}; 256 257static devclass_t machfb_devclass; 258 259DRIVER_MODULE(machfb, pci, machfb_pci_driver, machfb_devclass, 0, 0); 260MODULE_DEPEND(machfb, pci, 1, 1, 1); 261 262static void machfb_cursor_enable(struct machfb_softc *, int); 263static int machfb_cursor_install(struct machfb_softc *); 264static int machfb_get_memsize(struct machfb_softc *); 265static void machfb_reset_engine(struct machfb_softc *); 266static void machfb_init_engine(struct machfb_softc *); 267#if 0 268static void machfb_adjust_frame(struct machfb_softc *, int, int); 269#endif 270static void machfb_shutdown_final(void *); 271static void machfb_shutdown_reset(void *); 272 273static int machfb_configure(int); 274 275static vi_probe_t machfb_probe; 276static vi_init_t machfb_init; 277static vi_get_info_t machfb_get_info; 278static vi_query_mode_t machfb_query_mode; 279static vi_set_mode_t machfb_set_mode; 280static vi_save_font_t machfb_save_font; 281static vi_load_font_t machfb_load_font; 282static vi_show_font_t machfb_show_font; 283static vi_save_palette_t machfb_save_palette; 284static vi_load_palette_t machfb_load_palette; 285static vi_set_border_t machfb_set_border; 286static vi_save_state_t machfb_save_state; 287static vi_load_state_t machfb_load_state; 288static vi_set_win_org_t machfb_set_win_org; 289static vi_read_hw_cursor_t machfb_read_hw_cursor; 290static vi_set_hw_cursor_t machfb_set_hw_cursor; 291static vi_set_hw_cursor_shape_t machfb_set_hw_cursor_shape; 292static vi_blank_display_t machfb_blank_display; 293static vi_mmap_t machfb_mmap; 294static vi_ioctl_t machfb_ioctl; 295static vi_clear_t machfb_clear; 296static vi_fill_rect_t machfb_fill_rect; 297static vi_bitblt_t machfb_bitblt; 298static vi_diag_t machfb_diag; 299static vi_save_cursor_palette_t machfb_save_cursor_palette; 300static vi_load_cursor_palette_t machfb_load_cursor_palette; 301static vi_copy_t machfb_copy; 302static vi_putp_t machfb_putp; 303static vi_putc_t machfb_putc; 304static vi_puts_t machfb_puts; 305static vi_putm_t machfb_putm; 306 307static video_switch_t machfbvidsw = { 308 .probe = machfb_probe, 309 .init = machfb_init, 310 .get_info = machfb_get_info, 311 .query_mode = machfb_query_mode, 312 .set_mode = machfb_set_mode, 313 .save_font = machfb_save_font, 314 .load_font = machfb_load_font, 315 .show_font = machfb_show_font, 316 .save_palette = machfb_save_palette, 317 .load_palette = machfb_load_palette, 318 .set_border = machfb_set_border, 319 .save_state = machfb_save_state, 320 .load_state = machfb_load_state, 321 .set_win_org = machfb_set_win_org, 322 .read_hw_cursor = machfb_read_hw_cursor, 323 .set_hw_cursor = machfb_set_hw_cursor, 324 .set_hw_cursor_shape = machfb_set_hw_cursor_shape, 325 .blank_display = machfb_blank_display, 326 .mmap = machfb_mmap, 327 .ioctl = machfb_ioctl, 328 .clear = machfb_clear, 329 .fill_rect = machfb_fill_rect, 330 .bitblt = machfb_bitblt, 331 .diag = machfb_diag, 332 .save_cursor_palette = machfb_save_cursor_palette, 333 .load_cursor_palette = machfb_load_cursor_palette, 334 .copy = machfb_copy, 335 .putp = machfb_putp, 336 .putc = machfb_putc, 337 .puts = machfb_puts, 338 .putm = machfb_putm 339}; 340 341VIDEO_DRIVER(machfb, machfbvidsw, machfb_configure); 342 343extern sc_rndr_sw_t txtrndrsw; 344RENDERER(machfb, 0, txtrndrsw, gfb_set); 345 346RENDERER_MODULE(machfb, gfb_set); 347 348/* 349 * Inline functions for getting access to register aperture. 350 */ 351static inline uint32_t regr(struct machfb_softc *, uint32_t); 352static inline uint8_t regrb(struct machfb_softc *, uint32_t); 353static inline void regw(struct machfb_softc *, uint32_t, uint32_t); 354static inline void regwb(struct machfb_softc *, uint32_t, uint8_t); 355static inline void regwb_pll(struct machfb_softc *, uint32_t, uint8_t); 356 357static inline uint32_t 358regr(struct machfb_softc *sc, uint32_t index) 359{ 360 361 return bus_space_read_4(sc->sc_regt, sc->sc_regh, index); 362} 363 364static inline uint8_t 365regrb(struct machfb_softc *sc, uint32_t index) 366{ 367 368 return bus_space_read_1(sc->sc_regt, sc->sc_regh, index); 369} 370 371static inline void 372regw(struct machfb_softc *sc, uint32_t index, uint32_t data) 373{ 374 375 bus_space_write_4(sc->sc_regt, sc->sc_regh, index, data); 376 bus_space_barrier(sc->sc_regt, sc->sc_regh, index, 4, 377 BUS_SPACE_BARRIER_WRITE); 378} 379 380static inline void 381regwb(struct machfb_softc *sc, uint32_t index, uint8_t data) 382{ 383 384 bus_space_write_1(sc->sc_regt, sc->sc_regh, index, data); 385 bus_space_barrier(sc->sc_regt, sc->sc_regh, index, 1, 386 BUS_SPACE_BARRIER_WRITE); 387} 388 389static inline void 390regwb_pll(struct machfb_softc *sc, uint32_t index, uint8_t data) 391{ 392 393 regwb(sc, CLOCK_CNTL + 1, (index << 2) | PLL_WR_EN); 394 regwb(sc, CLOCK_CNTL + 2, data); 395 regwb(sc, CLOCK_CNTL + 1, (index << 2) & ~PLL_WR_EN); 396} 397 398static inline void 399wait_for_fifo(struct machfb_softc *sc, uint8_t v) 400{ 401 402 while ((regr(sc, FIFO_STAT) & 0xffff) > (0x8000 >> v)) 403 ; 404} 405 406static inline void 407wait_for_idle(struct machfb_softc *sc) 408{ 409 410 wait_for_fifo(sc, 16); 411 while ((regr(sc, GUI_STAT) & 1) != 0) 412 ; 413} 414 415/* 416 * Inline functions for setting the background and foreground colors. 417 */ 418static inline void machfb_setbg(struct machfb_softc *sc, int bg); 419static inline void machfb_setfg(struct machfb_softc *sc, int fg); 420 421static inline void 422machfb_setbg(struct machfb_softc *sc, int bg) 423{ 424 425 if (bg == sc->sc_bg_cache) 426 return; 427 sc->sc_bg_cache = bg; 428 wait_for_fifo(sc, 1); 429 regw(sc, DP_BKGD_CLR, bg + MACHFB_CMAP_OFF); 430} 431 432static inline void 433machfb_setfg(struct machfb_softc *sc, int fg) 434{ 435 436 if (fg == sc->sc_fg_cache) 437 return; 438 sc->sc_fg_cache = fg; 439 wait_for_fifo(sc, 1); 440 regw(sc, DP_FRGD_CLR, fg + MACHFB_CMAP_OFF); 441} 442 443/* 444 * video driver interface 445 */ 446static int 447machfb_configure(int flags) 448{ 449 struct machfb_softc *sc; 450 phandle_t chosen, output; 451 ihandle_t stdout; 452 bus_addr_t addr; 453 uint32_t id; 454 int i, space; 455 456 /* 457 * For the high-level console probing return the number of 458 * registered adapters. 459 */ 460 if (!(flags & VIO_PROBE_ONLY)) { 461 for (i = 0; vid_find_adapter(MACHFB_DRIVER_NAME, i) >= 0; i++) 462 ; 463 return (i); 464 } 465 466 /* Low-level console probing and initialization. */ 467 468 sc = &machfb_softc; 469 if (sc->sc_va.va_flags & V_ADP_REGISTERED) 470 goto found; 471 472 if ((chosen = OF_finddevice("/chosen")) == -1) /* Quis contra nos? */ 473 return (0); 474 if (OF_getprop(chosen, "stdout", &stdout, sizeof(stdout)) == -1) 475 return (0); 476 if ((output = OF_instance_to_package(stdout)) == -1) 477 return (0); 478 if ((OF_getprop(output, "vendor-id", &id, sizeof(id)) == -1) || 479 id != ATI_VENDOR) 480 return (0); 481 if (OF_getprop(output, "device-id", &id, sizeof(id)) == -1) 482 return (0); 483 for (i = 0; i < nitems(machfb_info); i++) { 484 if (id == machfb_info[i].chip_id) { 485 sc->sc_flags = MACHFB_CONSOLE; 486 sc->sc_node = output; 487 sc->sc_chip_id = id; 488 break; 489 } 490 } 491 if (!(sc->sc_flags & MACHFB_CONSOLE)) 492 return (0); 493 494 if (OF_getprop(output, "revision-id", &sc->sc_chip_rev, 495 sizeof(sc->sc_chip_rev)) == -1) 496 return (0); 497 if (OF_decode_addr(output, 0, &space, &addr) != 0) 498 return (0); 499 sc->sc_memt = &machfb_bst_store[0]; 500 sc->sc_memh = sparc64_fake_bustag(space, addr, sc->sc_memt); 501 sc->sc_regt = sc->sc_memt; 502 bus_space_subregion(sc->sc_regt, sc->sc_memh, MACH64_REG_OFF, 503 MACH64_REG_SIZE, &sc->sc_regh); 504 505 if (machfb_init(0, &sc->sc_va, 0) < 0) 506 return (0); 507 508 found: 509 /* Return number of found adapters. */ 510 return (1); 511} 512 513static int 514machfb_probe(int unit, video_adapter_t **adpp, void *arg, int flags) 515{ 516 517 return (0); 518} 519 520static int 521machfb_init(int unit, video_adapter_t *adp, int flags) 522{ 523 struct machfb_softc *sc; 524 phandle_t options; 525 video_info_t *vi; 526 char buf[32]; 527 int i; 528 uint8_t dac_mask, dac_rindex, dac_windex; 529 530 sc = (struct machfb_softc *)adp; 531 vi = &adp->va_info; 532 533 if ((regr(sc, CONFIG_CHIP_ID) & 0xffff) != sc->sc_chip_id) 534 return (ENXIO); 535 536 sc->sc_ramdac_freq = 0; 537 for (i = 0; i < nitems(machfb_info); i++) { 538 if (sc->sc_chip_id == machfb_info[i].chip_id) { 539 sc->sc_ramdac_freq = machfb_info[i].ramdac_freq; 540 break; 541 } 542 } 543 if (sc->sc_ramdac_freq == 0) 544 return (ENXIO); 545 if (sc->sc_chip_id == ATI_RAGE_II && sc->sc_chip_rev & 0x07) 546 sc->sc_ramdac_freq = 170000; 547 548 vid_init_struct(adp, MACHFB_DRIVER_NAME, -1, unit); 549 550 if (OF_getprop(sc->sc_node, "height", &sc->sc_height, 551 sizeof(sc->sc_height)) == -1) 552 return (ENXIO); 553 if (OF_getprop(sc->sc_node, "width", &sc->sc_width, 554 sizeof(sc->sc_width)) == -1) 555 return (ENXIO); 556 if (OF_getprop(sc->sc_node, "depth", &sc->sc_depth, 557 sizeof(sc->sc_depth)) == -1) 558 return (ENXIO); 559 if ((options = OF_finddevice("/options")) == -1) 560 return (ENXIO); 561 if (OF_getprop(options, "screen-#rows", buf, sizeof(buf)) == -1) 562 return (ENXIO); 563 vi->vi_height = strtol(buf, NULL, 10); 564 if (OF_getprop(options, "screen-#columns", buf, sizeof(buf)) == -1) 565 return (ENXIO); 566 vi->vi_width = strtol(buf, NULL, 10); 567 vi->vi_cwidth = gallant12x22.width; 568 vi->vi_cheight = gallant12x22.height; 569 vi->vi_flags = V_INFO_COLOR; 570 vi->vi_mem_model = V_INFO_MM_OTHER; 571 572 sc->sc_font = gallant12x22.data; 573 sc->sc_cbwidth = howmany(vi->vi_cwidth, NBBY); /* width in bytes */ 574 sc->sc_xmargin = (sc->sc_width - (vi->vi_width * vi->vi_cwidth)) / 2; 575 sc->sc_ymargin = (sc->sc_height - (vi->vi_height * vi->vi_cheight)) / 2; 576 577 if (sc->sc_chip_id != ATI_MACH64_CT && 578 !((sc->sc_chip_id == ATI_MACH64_VT || 579 sc->sc_chip_id == ATI_RAGE_II) && 580 (sc->sc_chip_rev & 0x07) == 0)) 581 sc->sc_flags |= MACHFB_DSP; 582 583 sc->sc_memsize = machfb_get_memsize(sc); 584 if (sc->sc_memsize == 8192) 585 /* The last page is used as register aperture. */ 586 sc->sc_memsize -= 4; 587 sc->sc_memtype = regr(sc, CONFIG_STAT0) & 0x07; 588 589 if ((sc->sc_chip_id >= ATI_RAGE_XC_PCI66 && 590 sc->sc_chip_id <= ATI_RAGE_XL_PCI66) || 591 (sc->sc_chip_id >= ATI_RAGE_XL_PCI && 592 sc->sc_chip_id <= ATI_RAGE_XC_PCI)) 593 sc->sc_ref_freq = 29498; 594 else 595 sc->sc_ref_freq = 14318; 596 597 regwb(sc, CLOCK_CNTL + 1, PLL_REF_DIV << 2); 598 sc->sc_ref_div = regrb(sc, CLOCK_CNTL + 2); 599 regwb(sc, CLOCK_CNTL + 1, MCLK_FB_DIV << 2); 600 sc->sc_mclk_fb_div = regrb(sc, CLOCK_CNTL + 2); 601 sc->sc_mem_freq = (2 * sc->sc_ref_freq * sc->sc_mclk_fb_div) / 602 (sc->sc_ref_div * 2); 603 sc->sc_mclk_post_div = (sc->sc_mclk_fb_div * 2 * sc->sc_ref_freq) / 604 (sc->sc_mem_freq * sc->sc_ref_div); 605 606 machfb_init_engine(sc); 607#if 0 608 machfb_adjust_frame(0, 0); 609#endif 610 machfb_set_mode(adp, 0); 611 612 /* 613 * Install our 16-color color map. This is done only once and with 614 * an offset of 16 on sparc64 as there the OBP driver expects white 615 * to be at index 0 and black at 255 (some versions also use 1 - 8 616 * for color text support or the full palette for the boot banner 617 * logo but no versions seems to use the ISO 6429-1983 color map). 618 * Otherwise the colors are inverted when back in the OFW. 619 */ 620 dac_rindex = regrb(sc, DAC_RINDEX); 621 dac_windex = regrb(sc, DAC_WINDEX); 622 dac_mask = regrb(sc, DAC_MASK); 623 regwb(sc, DAC_MASK, 0xff); 624 regwb(sc, DAC_WINDEX, MACHFB_CMAP_OFF); 625 for (i = 0; i < 16; i++) { 626 regwb(sc, DAC_DATA, machfb_default_cmap[i].red); 627 regwb(sc, DAC_DATA, machfb_default_cmap[i].green); 628 regwb(sc, DAC_DATA, machfb_default_cmap[i].blue); 629 } 630 regwb(sc, DAC_MASK, dac_mask); 631 regwb(sc, DAC_RINDEX, dac_rindex); 632 regwb(sc, DAC_WINDEX, dac_windex); 633 634 machfb_blank_display(adp, V_DISPLAY_ON); 635 machfb_clear(adp); 636 637 /* 638 * Setting V_ADP_MODECHANGE serves as hack so machfb_set_mode() 639 * (which will invalidate our caches) is called as a precaution 640 * when the X server shuts down. 641 */ 642 adp->va_flags |= V_ADP_COLOR | V_ADP_MODECHANGE | V_ADP_PALETTE | 643 V_ADP_BORDER | V_ADP_INITIALIZED; 644 if (vid_register(adp) < 0) 645 return (ENXIO); 646 adp->va_flags |= V_ADP_REGISTERED; 647 648 return (0); 649} 650 651static int 652machfb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 653{ 654 655 bcopy(&adp->va_info, info, sizeof(*info)); 656 657 return (0); 658} 659 660static int 661machfb_query_mode(video_adapter_t *adp, video_info_t *info) 662{ 663 664 return (ENODEV); 665} 666 667static int 668machfb_set_mode(video_adapter_t *adp, int mode) 669{ 670 struct machfb_softc *sc; 671 672 sc = (struct machfb_softc *)adp; 673 674 sc->sc_bg_cache = -1; 675 sc->sc_fg_cache = -1; 676 sc->sc_draw_cache = 0; 677 678 return (0); 679} 680 681static int 682machfb_save_font(video_adapter_t *adp, int page, int size, int width, 683 u_char *data, int c, int count) 684{ 685 686 return (ENODEV); 687} 688 689static int 690machfb_load_font(video_adapter_t *adp, int page, int size, int width, 691 u_char *data, int c, int count) 692{ 693 694 return (ENODEV); 695} 696 697static int 698machfb_show_font(video_adapter_t *adp, int page) 699{ 700 701 return (ENODEV); 702} 703 704static int 705machfb_save_palette(video_adapter_t *adp, u_char *palette) 706{ 707 struct machfb_softc *sc; 708 int i; 709 uint8_t dac_mask, dac_rindex, dac_windex; 710 711 sc = (struct machfb_softc *)adp; 712 713 dac_rindex = regrb(sc, DAC_RINDEX); 714 dac_windex = regrb(sc, DAC_WINDEX); 715 dac_mask = regrb(sc, DAC_MASK); 716 regwb(sc, DAC_MASK, 0xff); 717 regwb(sc, DAC_RINDEX, 0x0); 718 for (i = 0; i < 256 * 3; i++) 719 palette[i] = regrb(sc, DAC_DATA); 720 regwb(sc, DAC_MASK, dac_mask); 721 regwb(sc, DAC_RINDEX, dac_rindex); 722 regwb(sc, DAC_WINDEX, dac_windex); 723 724 return (0); 725} 726 727static int 728machfb_load_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_WINDEX, 0x0); 741 for (i = 0; i < 256 * 3; i++) 742 regwb(sc, DAC_DATA, palette[i]); 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_set_border(video_adapter_t *adp, int border) 752{ 753 struct machfb_softc *sc; 754 755 sc = (struct machfb_softc *)adp; 756 757 machfb_fill_rect(adp, border, 0, 0, sc->sc_width, sc->sc_ymargin); 758 machfb_fill_rect(adp, border, 0, sc->sc_height - sc->sc_ymargin, 759 sc->sc_width, sc->sc_ymargin); 760 machfb_fill_rect(adp, border, 0, 0, sc->sc_xmargin, sc->sc_height); 761 machfb_fill_rect(adp, border, sc->sc_width - sc->sc_xmargin, 0, 762 sc->sc_xmargin, sc->sc_height); 763 764 return (0); 765} 766 767static int 768machfb_save_state(video_adapter_t *adp, void *p, size_t size) 769{ 770 771 return (ENODEV); 772} 773 774static int 775machfb_load_state(video_adapter_t *adp, void *p) 776{ 777 778 return (ENODEV); 779} 780 781static int 782machfb_set_win_org(video_adapter_t *adp, off_t offset) 783{ 784 785 return (ENODEV); 786} 787 788static int 789machfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 790{ 791 792 *col = 0; 793 *row = 0; 794 795 return (0); 796} 797 798static int 799machfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 800{ 801 802 return (ENODEV); 803} 804 805static int 806machfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 807 int celsize, int blink) 808{ 809 810 return (ENODEV); 811} 812 813static int 814machfb_blank_display(video_adapter_t *adp, int mode) 815{ 816 struct machfb_softc *sc; 817 uint32_t crtc_gen_cntl; 818 819 sc = (struct machfb_softc *)adp; 820 821 crtc_gen_cntl = (regr(sc, CRTC_GEN_CNTL) | CRTC_EXT_DISP_EN | CRTC_EN) & 822 ~(CRTC_HSYNC_DIS | CRTC_VSYNC_DIS | CRTC_DISPLAY_DIS); 823 switch (mode) { 824 case V_DISPLAY_ON: 825 break; 826 case V_DISPLAY_BLANK: 827 crtc_gen_cntl |= CRTC_HSYNC_DIS | CRTC_VSYNC_DIS | 828 CRTC_DISPLAY_DIS; 829 break; 830 case V_DISPLAY_STAND_BY: 831 crtc_gen_cntl |= CRTC_HSYNC_DIS | CRTC_DISPLAY_DIS; 832 break; 833 case V_DISPLAY_SUSPEND: 834 crtc_gen_cntl |= CRTC_VSYNC_DIS | CRTC_DISPLAY_DIS; 835 break; 836 } 837 regw(sc, CRTC_GEN_CNTL, crtc_gen_cntl); 838 839 return (0); 840} 841 842static int 843machfb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 844 int prot, vm_memattr_t *memattr) 845{ 846 struct machfb_softc *sc; 847 video_info_t *vi; 848 849 sc = (struct machfb_softc *)adp; 850 vi = &adp->va_info; 851 852 /* BAR 2 - VGA memory */ 853 if (sc->sc_vmem != 0 && offset >= sc->sc_vmem && 854 offset < sc->sc_vmem + vi->vi_registers_size) { 855 *paddr = vi->vi_registers + offset - sc->sc_vmem; 856 return (0); 857 } 858 859 /* BAR 0 - framebuffer */ 860 if (offset >= sc->sc_mem && 861 offset < sc->sc_mem + vi->vi_buffer_size) { 862 *paddr = vi->vi_buffer + offset - sc->sc_mem; 863 return (0); 864 } 865 866 /* 'regular' framebuffer mmap()ing */ 867 if (offset < adp->va_window_size) { 868 *paddr = vi->vi_window + offset; 869 return (0); 870 } 871 872 return (EINVAL); 873} 874 875static int 876machfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 877{ 878 struct machfb_softc *sc; 879 struct fbcursor *fbc; 880 struct fbtype *fb; 881 882 sc = (struct machfb_softc *)adp; 883 884 switch (cmd) { 885 case FBIOGTYPE: 886 fb = (struct fbtype *)data; 887 fb->fb_type = FBTYPE_PCIMISC; 888 fb->fb_height = sc->sc_height; 889 fb->fb_width = sc->sc_width; 890 fb->fb_depth = sc->sc_depth; 891 if (sc->sc_depth <= 1 || sc->sc_depth > 8) 892 fb->fb_cmsize = 0; 893 else 894 fb->fb_cmsize = 1 << sc->sc_depth; 895 fb->fb_size = adp->va_buffer_size; 896 break; 897 case FBIOSCURSOR: 898 fbc = (struct fbcursor *)data; 899 if (fbc->set & FB_CUR_SETCUR && fbc->enable == 0) { 900 machfb_cursor_enable(sc, 0); 901 sc->sc_flags &= ~MACHFB_CUREN; 902 } else 903 return (ENODEV); 904 break; 905 default: 906 return (fb_commonioctl(adp, cmd, data)); 907 } 908 909 return (0); 910} 911 912static int 913machfb_clear(video_adapter_t *adp) 914{ 915 struct machfb_softc *sc; 916 917 sc = (struct machfb_softc *)adp; 918 919 machfb_fill_rect(adp, (SC_NORM_ATTR >> 4) & 0xf, 0, 0, sc->sc_width, 920 sc->sc_height); 921 922 return (0); 923} 924 925static int 926machfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 927{ 928 struct machfb_softc *sc; 929 930 sc = (struct machfb_softc *)adp; 931 932 if (sc->sc_draw_cache != MACHFB_DRAW_FILLRECT) { 933 wait_for_fifo(sc, 7); 934 regw(sc, DP_WRITE_MASK, 0xff); 935 regw(sc, DP_PIX_WIDTH, DST_8BPP | SRC_8BPP | HOST_8BPP); 936 regw(sc, DP_SRC, FRGD_SRC_FRGD_CLR); 937 regw(sc, DP_MIX, MIX_SRC << 16); 938 regw(sc, CLR_CMP_CNTL, 0); /* no transparency */ 939 regw(sc, SRC_CNTL, SRC_LINE_X_LEFT_TO_RIGHT); 940 regw(sc, DST_CNTL, DST_X_LEFT_TO_RIGHT | DST_Y_TOP_TO_BOTTOM); 941 sc->sc_draw_cache = MACHFB_DRAW_FILLRECT; 942 } 943 machfb_setfg(sc, val); 944 wait_for_fifo(sc, 4); 945 regw(sc, SRC_Y_X, (x << 16) | y); 946 regw(sc, SRC_WIDTH1, cx); 947 regw(sc, DST_Y_X, (x << 16) | y); 948 regw(sc, DST_HEIGHT_WIDTH, (cx << 16) | cy); 949 950 return (0); 951} 952 953static int 954machfb_bitblt(video_adapter_t *adp, ...) 955{ 956 957 return (ENODEV); 958} 959 960static int 961machfb_diag(video_adapter_t *adp, int level) 962{ 963 video_info_t info; 964 965 fb_dump_adp_info(adp->va_name, adp, level); 966 machfb_get_info(adp, 0, &info); 967 fb_dump_mode_info(adp->va_name, adp, &info, level); 968 969 return (0); 970} 971 972static int 973machfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 974{ 975 976 return (ENODEV); 977} 978 979static int 980machfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 981{ 982 983 return (ENODEV); 984} 985 986static int 987machfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 988{ 989 990 return (ENODEV); 991} 992 993static int 994machfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 995 int size, int bpp, int bit_ltor, int byte_ltor) 996{ 997 998 return (ENODEV); 999} 1000 1001static int 1002machfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 1003{ 1004 struct machfb_softc *sc; 1005 const uint8_t *p; 1006 int i; 1007 1008 sc = (struct machfb_softc *)adp; 1009 1010 if (sc->sc_draw_cache != MACHFB_DRAW_CHAR) { 1011 wait_for_fifo(sc, 8); 1012 regw(sc, DP_WRITE_MASK, 0xff); /* XXX only good for 8 bit */ 1013 regw(sc, DP_PIX_WIDTH, DST_8BPP | SRC_1BPP | HOST_1BPP); 1014 regw(sc, DP_SRC, MONO_SRC_HOST | BKGD_SRC_BKGD_CLR | 1015 FRGD_SRC_FRGD_CLR); 1016 regw(sc, DP_MIX ,((MIX_SRC & 0xffff) << 16) | MIX_SRC); 1017 regw(sc, CLR_CMP_CNTL, 0); /* no transparency */ 1018 regw(sc, SRC_CNTL, SRC_LINE_X_LEFT_TO_RIGHT); 1019 regw(sc, DST_CNTL, DST_Y_TOP_TO_BOTTOM | DST_X_LEFT_TO_RIGHT); 1020 regw(sc, HOST_CNTL, HOST_BYTE_ALIGN); 1021 sc->sc_draw_cache = MACHFB_DRAW_CHAR; 1022 } 1023 machfb_setbg(sc, (a >> 4) & 0xf); 1024 machfb_setfg(sc, a & 0xf); 1025 wait_for_fifo(sc, 4 + (adp->va_info.vi_cheight / sc->sc_cbwidth)); 1026 regw(sc, SRC_Y_X, 0); 1027 regw(sc, SRC_WIDTH1, adp->va_info.vi_cwidth); 1028 regw(sc, DST_Y_X, ((((off % adp->va_info.vi_width) * 1029 adp->va_info.vi_cwidth) + sc->sc_xmargin) << 16) | 1030 (((off / adp->va_info.vi_width) * adp->va_info.vi_cheight) + 1031 sc->sc_ymargin)); 1032 regw(sc, DST_HEIGHT_WIDTH, (adp->va_info.vi_cwidth << 16) | 1033 adp->va_info.vi_cheight); 1034 p = sc->sc_font + (c * adp->va_info.vi_cheight * sc->sc_cbwidth); 1035 for (i = 0; i < adp->va_info.vi_cheight * sc->sc_cbwidth; i += 4) 1036 regw(sc, HOST_DATA0 + i, (p[i + 3] << 24 | p[i + 2] << 16 | 1037 p[i + 1] << 8 | p[i])); 1038 1039 return (0); 1040} 1041 1042static int 1043machfb_puts(video_adapter_t *adp, vm_offset_t off, uint16_t *s, int len) 1044{ 1045 struct machfb_softc *sc; 1046 int blanks, i, x1, x2, y1, y2; 1047 uint8_t a, c, color1, color2; 1048 1049 sc = (struct machfb_softc *)adp; 1050 1051#define MACHFB_BLANK machfb_fill_rect(adp, color1, x1, y1, \ 1052 blanks * adp->va_info.vi_cwidth, \ 1053 adp->va_info.vi_cheight) 1054 1055 blanks = color1 = x1 = y1 = 0; 1056 for (i = 0; i < len; i++) { 1057 /* 1058 * Accelerate continuous blanks by drawing a respective 1059 * rectangle instead. Drawing a rectangle of any size 1060 * takes about the same number of operations as drawing 1061 * a single character. 1062 */ 1063 c = s[i] & 0xff; 1064 a = (s[i] & 0xff00) >> 8; 1065 if (c == 0x00 || c == 0x20 || c == 0xdb || c == 0xff) { 1066 color2 = (a >> (c == 0xdb ? 0 : 4) & 0xf); 1067 x2 = (((off + i) % adp->va_info.vi_width) * 1068 adp->va_info.vi_cwidth) + sc->sc_xmargin; 1069 y2 = (((off + i) / adp->va_info.vi_width) * 1070 adp->va_info.vi_cheight) + sc->sc_ymargin; 1071 if (blanks == 0) { 1072 color1 = color2; 1073 x1 = x2; 1074 y1 = y2; 1075 blanks++; 1076 } else if (color1 != color2 || y1 != y2) { 1077 MACHFB_BLANK; 1078 color1 = color2; 1079 x1 = x2; 1080 y1 = y2; 1081 blanks = 1; 1082 } else 1083 blanks++; 1084 } else { 1085 if (blanks != 0) { 1086 MACHFB_BLANK; 1087 blanks = 0; 1088 } 1089 vidd_putc(adp, off + i, c, a); 1090 } 1091 } 1092 if (blanks != 0) 1093 MACHFB_BLANK; 1094 1095#undef MACHFB_BLANK 1096 1097 return (0); 1098} 1099 1100static int 1101machfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 1102 uint32_t pixel_mask, int size, int width) 1103{ 1104 struct machfb_softc *sc; 1105 int error; 1106 1107 sc = (struct machfb_softc *)adp; 1108 1109 if ((!(sc->sc_flags & MACHFB_CUREN)) && 1110 (error = machfb_cursor_install(sc)) < 0) 1111 return (error); 1112 else { 1113 /* 1114 * The hardware cursor always must be disabled when 1115 * fiddling with its bits otherwise some artifacts 1116 * may appear on the screen. 1117 */ 1118 machfb_cursor_enable(sc, 0); 1119 } 1120 1121 regw(sc, CUR_HORZ_VERT_OFF, 0); 1122 if ((regr(sc, GEN_TEST_CNTL) & CRTC_DBL_SCAN_EN) != 0) 1123 y <<= 1; 1124 regw(sc, CUR_HORZ_VERT_POSN, ((y + sc->sc_ymargin) << 16) | 1125 (x + sc->sc_xmargin)); 1126 machfb_cursor_enable(sc, 1); 1127 sc->sc_flags |= MACHFB_CUREN; 1128 1129 return (0); 1130} 1131 1132/* 1133 * PCI bus interface 1134 */ 1135static int 1136machfb_pci_probe(device_t dev) 1137{ 1138 int i; 1139 1140 if (pci_get_class(dev) != PCIC_DISPLAY || 1141 pci_get_subclass(dev) != PCIS_DISPLAY_VGA) 1142 return (ENXIO); 1143 1144 for (i = 0; i < nitems(machfb_info); i++) { 1145 if (pci_get_device(dev) == machfb_info[i].chip_id) { 1146 device_set_desc(dev, machfb_info[i].name); 1147 return (BUS_PROBE_DEFAULT); 1148 } 1149 } 1150 1151 return (ENXIO); 1152} 1153 1154static int 1155machfb_pci_attach(device_t dev) 1156{ 1157 struct machfb_softc *sc; 1158 video_adapter_t *adp; 1159 video_switch_t *sw; 1160 video_info_t *vi; 1161 phandle_t node; 1162 int error, i, rid; 1163 uint32_t *p32, u32; 1164 uint8_t *p; 1165 1166 node = ofw_bus_get_node(dev); 1167 if ((sc = (struct machfb_softc *)vid_get_adapter(vid_find_adapter( 1168 MACHFB_DRIVER_NAME, 0))) != NULL && sc->sc_node == node) { 1169 device_printf(dev, "console\n"); 1170 device_set_softc(dev, sc); 1171 } else { 1172 sc = device_get_softc(dev); 1173 1174 sc->sc_node = node; 1175 sc->sc_chip_id = pci_get_device(dev); 1176 sc->sc_chip_rev = pci_get_revid(dev); 1177 } 1178 adp = &sc->sc_va; 1179 vi = &adp->va_info; 1180 1181 rid = PCIR_BAR(0); 1182 if ((sc->sc_memres = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 1183 RF_ACTIVE)) == NULL) { 1184 device_printf(dev, "cannot allocate memory resources\n"); 1185 return (ENXIO); 1186 } 1187 sc->sc_memt = rman_get_bustag(sc->sc_memres); 1188 sc->sc_memh = rman_get_bushandle(sc->sc_memres); 1189 sc->sc_mem = rman_get_start(sc->sc_memres); 1190 vi->vi_buffer = sc->sc_memh; 1191 vi->vi_buffer_size = rman_get_size(sc->sc_memres); 1192 if (OF_getprop(sc->sc_node, "address", &u32, sizeof(u32)) > 0 && 1193 vtophys(u32) == sc->sc_memh) 1194 adp->va_mem_base = u32; 1195 else { 1196 if (bus_space_map(sc->sc_memt, vi->vi_buffer, 1197 vi->vi_buffer_size, BUS_SPACE_MAP_LINEAR, 1198 &sc->sc_memh) != 0) { 1199 device_printf(dev, "cannot map memory resources\n"); 1200 error = ENXIO; 1201 goto fail_memres; 1202 } 1203 adp->va_mem_base = 1204 (vm_offset_t)rman_get_virtual(sc->sc_memres); 1205 } 1206 adp->va_mem_size = vi->vi_buffer_size; 1207 adp->va_buffer = adp->va_mem_base; 1208 adp->va_buffer_size = adp->va_mem_size; 1209 sc->sc_regt = sc->sc_memt; 1210 if (bus_space_subregion(sc->sc_regt, sc->sc_memh, MACH64_REG_OFF, 1211 MACH64_REG_SIZE, &sc->sc_regh) != 0) { 1212 device_printf(dev, "cannot allocate register resources\n"); 1213 error = ENXIO; 1214 goto fail_memmap; 1215 } 1216 1217 /* 1218 * Depending on the firmware version the VGA I/O and/or memory 1219 * resources of the Mach64 chips come up disabled. These will be 1220 * enabled by pci(4) when activating the resource in question but 1221 * this doesn't necessarily mean that the resource is valid. 1222 * Invalid resources seem to have in common that they start at 1223 * address 0. We don't allocate the VGA memory in this case in 1224 * order to avoid warnings in apb(4) and crashes when using this 1225 * invalid resources. X.Org is aware of this and doesn't use the 1226 * VGA memory resource in this case (but demands it if it's valid). 1227 */ 1228 rid = PCIR_BAR(2); 1229 if (bus_get_resource_start(dev, SYS_RES_MEMORY, rid) != 0) { 1230 if ((sc->sc_vmemres = bus_alloc_resource_any(dev, 1231 SYS_RES_MEMORY, &rid, RF_ACTIVE)) == NULL) { 1232 device_printf(dev, 1233 "cannot allocate VGA memory resources\n"); 1234 error = ENXIO; 1235 goto fail_memmap; 1236 } 1237 sc->sc_vmemt = rman_get_bustag(sc->sc_vmemres); 1238 sc->sc_vmemh = rman_get_bushandle(sc->sc_vmemres); 1239 sc->sc_vmem = rman_get_start(sc->sc_vmemres); 1240 vi->vi_registers = sc->sc_vmemh; 1241 vi->vi_registers_size = rman_get_size(sc->sc_vmemres); 1242 if (bus_space_map(sc->sc_vmemt, vi->vi_registers, 1243 vi->vi_registers_size, BUS_SPACE_MAP_LINEAR, 1244 &sc->sc_vmemh) != 0) { 1245 device_printf(dev, 1246 "cannot map VGA memory resources\n"); 1247 error = ENXIO; 1248 goto fail_vmemres; 1249 } 1250 adp->va_registers = 1251 (vm_offset_t)rman_get_virtual(sc->sc_vmemres); 1252 adp->va_registers_size = vi->vi_registers_size; 1253 } 1254 1255 if (!(sc->sc_flags & MACHFB_CONSOLE)) { 1256 if ((sw = vid_get_switch(MACHFB_DRIVER_NAME)) == NULL) { 1257 device_printf(dev, "cannot get video switch\n"); 1258 error = ENODEV; 1259 goto fail_vmemmap; 1260 } 1261 /* 1262 * During device configuration we don't necessarily probe 1263 * the adapter which is the console first so we can't use 1264 * the device unit number for the video adapter unit. The 1265 * worst case would be that we use the video adapter unit 1266 * 0 twice. As it doesn't really matter which unit number 1267 * the corresponding video adapter has just use the next 1268 * unused one. 1269 */ 1270 for (i = 0; i < devclass_get_maxunit(machfb_devclass); i++) 1271 if (vid_find_adapter(MACHFB_DRIVER_NAME, i) < 0) 1272 break; 1273 if ((error = sw->init(i, adp, 0)) != 0) { 1274 device_printf(dev, "cannot initialize adapter\n"); 1275 goto fail_vmemmap; 1276 } 1277 } 1278 1279 /* 1280 * Test whether the aperture is byte swapped or not, set 1281 * va_window and va_window_size as appropriate. Note that 1282 * the aperture could be mapped either big or little endian 1283 * independently of the endianness of the host so this has 1284 * to be a runtime test. 1285 */ 1286 p32 = (uint32_t *)adp->va_buffer; 1287 u32 = *p32; 1288 p = (uint8_t *)adp->va_buffer; 1289 *p32 = 0x12345678; 1290 if (!(p[0] == 0x12 && p[1] == 0x34 && p[2] == 0x56 && p[3] == 0x78)) { 1291 adp->va_window = adp->va_buffer + 0x800000; 1292 adp->va_window_size = adp->va_buffer_size - 0x800000; 1293 vi->vi_window = vi->vi_buffer + 0x800000; 1294 vi->vi_window_size = vi->vi_buffer_size - 0x800000; 1295 sc->sc_flags |= MACHFB_SWAP; 1296 } else { 1297 adp->va_window = adp->va_buffer; 1298 adp->va_window_size = adp->va_buffer_size; 1299 vi->vi_window = vi->vi_buffer; 1300 vi->vi_window_size = vi->vi_buffer_size; 1301 } 1302 *p32 = u32; 1303 adp->va_window_gran = adp->va_window_size; 1304 1305 device_printf(dev, 1306 "%d MB aperture at %p %sswapped\n", 1307 (u_int)(adp->va_window_size / (1024 * 1024)), 1308 (void *)adp->va_window, (sc->sc_flags & MACHFB_SWAP) ? 1309 "" : "not "); 1310 device_printf(dev, 1311 "%ld KB %s %d.%d MHz, maximum RAMDAC clock %d MHz, %sDSP\n", 1312 (u_long)sc->sc_memsize, machfb_memtype_names[sc->sc_memtype], 1313 sc->sc_mem_freq / 1000, sc->sc_mem_freq % 1000, 1314 sc->sc_ramdac_freq / 1000, 1315 (sc->sc_flags & MACHFB_DSP) ? "" : "no "); 1316 device_printf(dev, "resolution %dx%d at %d bpp\n", 1317 sc->sc_width, sc->sc_height, sc->sc_depth); 1318 1319 /* 1320 * Allocate one page for the mouse pointer image at the end of 1321 * the little endian aperture, right before the memory mapped 1322 * registers that might also reside there. Must be done after 1323 * sc_memsize was set and possibly adjusted to account for the 1324 * memory mapped registers. 1325 */ 1326 sc->sc_curoff = (sc->sc_memsize * 1024) - PAGE_SIZE; 1327 sc->sc_memsize -= PAGE_SIZE / 1024; 1328 machfb_cursor_enable(sc, 0); 1329 /* Initialize with an all transparent image. */ 1330 memset((void *)(adp->va_buffer + sc->sc_curoff), 0xaa, PAGE_SIZE); 1331 1332 /* 1333 * Register a handler that performs some cosmetic surgery like 1334 * turning off the mouse pointer on halt in preparation for 1335 * handing the screen over to the OFW. Register another handler 1336 * that turns off the CRTC when resetting, otherwise the OFW 1337 * boot command issued by cpu_reset() just doesn't work. 1338 */ 1339 EVENTHANDLER_REGISTER(shutdown_final, machfb_shutdown_final, sc, 1340 SHUTDOWN_PRI_DEFAULT); 1341 EVENTHANDLER_REGISTER(shutdown_reset, machfb_shutdown_reset, sc, 1342 SHUTDOWN_PRI_DEFAULT); 1343 1344 return (0); 1345 1346 fail_vmemmap: 1347 if (adp->va_registers != 0) 1348 bus_space_unmap(sc->sc_vmemt, sc->sc_vmemh, 1349 vi->vi_registers_size); 1350 fail_vmemres: 1351 if (sc->sc_vmemres != NULL) 1352 bus_release_resource(dev, SYS_RES_MEMORY, 1353 rman_get_rid(sc->sc_vmemres), sc->sc_vmemres); 1354 fail_memmap: 1355 bus_space_unmap(sc->sc_memt, sc->sc_memh, vi->vi_buffer_size); 1356 fail_memres: 1357 bus_release_resource(dev, SYS_RES_MEMORY, 1358 rman_get_rid(sc->sc_memres), sc->sc_memres); 1359 1360 return (error); 1361} 1362 1363static int 1364machfb_pci_detach(device_t dev) 1365{ 1366 1367 return (EINVAL); 1368} 1369 1370/* 1371 * internal functions 1372 */ 1373static void 1374machfb_cursor_enable(struct machfb_softc *sc, int onoff) 1375{ 1376 1377 if (onoff) 1378 regw(sc, GEN_TEST_CNTL, 1379 regr(sc, GEN_TEST_CNTL) | HWCURSOR_ENABLE); 1380 else 1381 regw(sc, GEN_TEST_CNTL, 1382 regr(sc, GEN_TEST_CNTL) &~ HWCURSOR_ENABLE); 1383} 1384 1385static int 1386machfb_cursor_install(struct machfb_softc *sc) 1387{ 1388 uint16_t *p, v; 1389 uint8_t fg; 1390 int i, j; 1391 1392 if (sc->sc_curoff == 0) 1393 return (ENODEV); 1394 1395 machfb_cursor_enable(sc, 0); 1396 regw(sc, CUR_OFFSET, sc->sc_curoff >> 3); 1397 fg = SC_NORM_ATTR & 0xf; 1398 regw(sc, CUR_CLR0, machfb_default_cmap[fg].red << 24 | 1399 machfb_default_cmap[fg].green << 16 | 1400 machfb_default_cmap[fg].blue << 8); 1401 p = (uint16_t *)(sc->sc_va.va_buffer + sc->sc_curoff); 1402 for (i = 0; i < 64; i++) { 1403 for (j = 0; j < 8; j++) { 1404 v = machfb_mouse_pointer_lut[ 1405 machfb_mouse_pointer_bits[i][j] >> 4] << 8 | 1406 machfb_mouse_pointer_lut[ 1407 machfb_mouse_pointer_bits[i][j] & 0x0f]; 1408 if (sc->sc_flags & MACHFB_SWAP) 1409 *(p++) = bswap16(v); 1410 else 1411 *(p++) = v; 1412 } 1413 } 1414 1415 return (0); 1416} 1417 1418static int 1419machfb_get_memsize(struct machfb_softc *sc) 1420{ 1421 int tmp, memsize; 1422 const int mem_tab[] = { 1423 512, 1024, 2048, 4096, 6144, 8192, 12288, 16384 1424 }; 1425 1426 tmp = regr(sc, MEM_CNTL); 1427#ifdef MACHFB_DEBUG 1428 printf("memcntl=0x%08x\n", tmp); 1429#endif 1430 if (sc->sc_flags & MACHFB_DSP) { 1431 tmp &= 0x0000000f; 1432 if (tmp < 8) 1433 memsize = (tmp + 1) * 512; 1434 else if (tmp < 12) 1435 memsize = (tmp - 3) * 1024; 1436 else 1437 memsize = (tmp - 7) * 2048; 1438 } else 1439 memsize = mem_tab[tmp & 0x07]; 1440 1441 return (memsize); 1442} 1443 1444static void 1445machfb_reset_engine(struct machfb_softc *sc) 1446{ 1447 1448 /* Reset engine.*/ 1449 regw(sc, GEN_TEST_CNTL, regr(sc, GEN_TEST_CNTL) & ~GUI_ENGINE_ENABLE); 1450 1451 /* Enable engine. */ 1452 regw(sc, GEN_TEST_CNTL, regr(sc, GEN_TEST_CNTL) | GUI_ENGINE_ENABLE); 1453 1454 /* 1455 * Ensure engine is not locked up by clearing any FIFO or 1456 * host errors. 1457 */ 1458 regw(sc, BUS_CNTL, regr(sc, BUS_CNTL) | BUS_HOST_ERR_ACK | 1459 BUS_FIFO_ERR_ACK); 1460} 1461 1462static void 1463machfb_init_engine(struct machfb_softc *sc) 1464{ 1465 uint32_t pitch_value; 1466 1467 pitch_value = sc->sc_width; 1468 1469 if (sc->sc_depth == 24) 1470 pitch_value *= 3; 1471 1472 machfb_reset_engine(sc); 1473 1474 wait_for_fifo(sc, 14); 1475 1476 regw(sc, CONTEXT_MASK, 0xffffffff); 1477 1478 regw(sc, DST_OFF_PITCH, (pitch_value / 8) << 22); 1479 1480 regw(sc, DST_Y_X, 0); 1481 regw(sc, DST_HEIGHT, 0); 1482 regw(sc, DST_BRES_ERR, 0); 1483 regw(sc, DST_BRES_INC, 0); 1484 regw(sc, DST_BRES_DEC, 0); 1485 1486 regw(sc, DST_CNTL, DST_LAST_PEL | DST_X_LEFT_TO_RIGHT | 1487 DST_Y_TOP_TO_BOTTOM); 1488 1489 regw(sc, SRC_OFF_PITCH, (pitch_value / 8) << 22); 1490 1491 regw(sc, SRC_Y_X, 0); 1492 regw(sc, SRC_HEIGHT1_WIDTH1, 1); 1493 regw(sc, SRC_Y_X_START, 0); 1494 regw(sc, SRC_HEIGHT2_WIDTH2, 1); 1495 1496 regw(sc, SRC_CNTL, SRC_LINE_X_LEFT_TO_RIGHT); 1497 1498 wait_for_fifo(sc, 13); 1499 regw(sc, HOST_CNTL, 0); 1500 1501 regw(sc, PAT_REG0, 0); 1502 regw(sc, PAT_REG1, 0); 1503 regw(sc, PAT_CNTL, 0); 1504 1505 regw(sc, SC_LEFT, 0); 1506 regw(sc, SC_TOP, 0); 1507 regw(sc, SC_BOTTOM, sc->sc_height - 1); 1508 regw(sc, SC_RIGHT, pitch_value - 1); 1509 1510 regw(sc, DP_BKGD_CLR, 0); 1511 regw(sc, DP_FRGD_CLR, 0xffffffff); 1512 regw(sc, DP_WRITE_MASK, 0xffffffff); 1513 regw(sc, DP_MIX, (MIX_SRC << 16) | MIX_DST); 1514 1515 regw(sc, DP_SRC, FRGD_SRC_FRGD_CLR); 1516 1517 wait_for_fifo(sc, 3); 1518 regw(sc, CLR_CMP_CLR, 0); 1519 regw(sc, CLR_CMP_MASK, 0xffffffff); 1520 regw(sc, CLR_CMP_CNTL, 0); 1521 1522 wait_for_fifo(sc, 2); 1523 switch (sc->sc_depth) { 1524 case 8: 1525 regw(sc, DP_PIX_WIDTH, HOST_8BPP | SRC_8BPP | DST_8BPP); 1526 regw(sc, DP_CHAIN_MASK, DP_CHAIN_8BPP); 1527 regw(sc, DAC_CNTL, regr(sc, DAC_CNTL) | DAC_8BIT_EN); 1528 break; 1529#if 0 1530 case 32: 1531 regw(sc, DP_PIX_WIDTH, HOST_32BPP | SRC_32BPP | DST_32BPP); 1532 regw(sc, DP_CHAIN_MASK, DP_CHAIN_32BPP); 1533 regw(sc, DAC_CNTL, regr(sc, DAC_CNTL) | DAC_8BIT_EN); 1534 break; 1535#endif 1536 } 1537 1538 wait_for_fifo(sc, 2); 1539 regw(sc, CRTC_INT_CNTL, regr(sc, CRTC_INT_CNTL) & ~0x20); 1540 regw(sc, GUI_TRAJ_CNTL, DST_X_LEFT_TO_RIGHT | DST_Y_TOP_TO_BOTTOM); 1541 1542 wait_for_idle(sc); 1543} 1544 1545#if 0 1546static void 1547machfb_adjust_frame(struct machfb_softc *sc, int x, int y) 1548{ 1549 int offset; 1550 1551 offset = ((x + y * sc->sc_width) * (sc->sc_depth >> 3)) >> 3; 1552 1553 regw(sc, CRTC_OFF_PITCH, (regr(sc, CRTC_OFF_PITCH) & 0xfff00000) | 1554 offset); 1555} 1556#endif 1557 1558static void 1559machfb_shutdown_final(void *v) 1560{ 1561 struct machfb_softc *sc = v; 1562 1563 machfb_cursor_enable(sc, 0); 1564 /* 1565 * In case this is the console set the cursor of the stdout 1566 * instance to the start of the last line so OFW output ends 1567 * up beneath what FreeBSD left on the screen. 1568 */ 1569 if (sc->sc_flags & MACHFB_CONSOLE) { 1570 OF_interpret("stdout @ is my-self 0 to column#", 0); 1571 OF_interpret("stdout @ is my-self #lines 1 - to line#", 0); 1572 } 1573} 1574 1575static void 1576machfb_shutdown_reset(void *v) 1577{ 1578 struct machfb_softc *sc = v; 1579 1580 machfb_blank_display(&sc->sc_va, V_DISPLAY_STAND_BY); 1581} 1582