udl.c revision 1.11.6.7
1 /* $NetBSD: udl.c,v 1.11.6.7 2015/12/28 09:26:33 skrll Exp $ */ 2 3 /*- 4 * Copyright (c) 2009 FUKAUMI Naoki. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 /* 29 * Copyright (c) 2009 Marcus Glocker <mglocker (at) openbsd.org> 30 * 31 * Permission to use, copy, modify, and distribute this software for any 32 * purpose with or without fee is hereby granted, provided that the above 33 * copyright notice and this permission notice appear in all copies. 34 * 35 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 36 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 37 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 38 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 39 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 40 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 41 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 42 */ 43 44 /* 45 * Driver for the ``DisplayLink DL-1x0 / DL-1x5'' graphic chips based 46 * on the reversed engineered specifications of Florian Echtler 47 * <floe at butterbrot dot org>: 48 * 49 * http://floe.butterbrot.org/displaylink/doku.php 50 * 51 * This driver was written by Marcus Glocker for OpenBSD and ported to 52 * NetBSD by FUKAUMI Naoki with many modification. 53 */ 54 55 #include <sys/cdefs.h> 56 __KERNEL_RCSID(0, "$NetBSD: udl.c,v 1.11.6.7 2015/12/28 09:26:33 skrll Exp $"); 57 58 #include <sys/param.h> 59 #include <sys/device.h> 60 #include <sys/kernel.h> 61 #include <sys/proc.h> 62 #include <sys/systm.h> 63 #include <sys/kmem.h> 64 #include <uvm/uvm.h> 65 66 #include <sys/bus.h> 67 #include <sys/endian.h> 68 69 #include <dev/usb/usb.h> 70 #include <dev/usb/usbdi.h> 71 #include <dev/usb/usbdivar.h> 72 #include <dev/usb/usbdi_util.h> 73 #include <dev/usb/usb_mem.h> 74 #include <dev/usb/usbdevs.h> 75 76 #include <dev/firmload.h> 77 78 #include <dev/videomode/videomode.h> 79 #include <dev/videomode/edidvar.h> 80 81 #include <dev/wscons/wsconsio.h> 82 #include <dev/wscons/wsdisplayvar.h> 83 #include <dev/rasops/rasops.h> 84 85 #include <dev/usb/udl.h> 86 #ifdef notyet 87 #include <dev/usb/udlio.h> 88 #endif 89 90 /* 91 * Defines. 92 */ 93 #ifdef UDL_DEBUG 94 #define DPRINTF(x) do { if (udl_debug) printf x; } while (0) 95 #define DPRINTFN(n, x) do { if (udl_debug >= (n)) printf x; } while (0) 96 int udl_debug = 1; 97 #else 98 #define DPRINTF(x) do {} while (0) 99 #define DPRINTFN(n, x) do {} while (0) 100 #endif 101 102 /* 103 * Prototypes. 104 */ 105 static int udl_match(device_t, cfdata_t, void *); 106 static void udl_attach(device_t, device_t, void *); 107 static int udl_detach(device_t, int); 108 109 static int udl_ioctl(void *, void *, u_long, void *, int, 110 struct lwp *); 111 static paddr_t udl_mmap(void *, void *, off_t, int); 112 static int udl_alloc_screen(void *, const struct wsscreen_descr *, 113 void **, int *, int *, long *); 114 static void udl_free_screen(void *, void *); 115 static int udl_show_screen(void *, void *, int, 116 void (*)(void *, int, int), void *); 117 118 static void udl_comp_load(struct udl_softc *); 119 static void udl_comp_unload(struct udl_softc *); 120 static int udl_fbmem_alloc(struct udl_softc *); 121 static void udl_fbmem_free(struct udl_softc *); 122 static int udl_cmdq_alloc(struct udl_softc *); 123 static void udl_cmdq_free(struct udl_softc *); 124 static struct udl_cmdq *udl_cmdq_get(struct udl_softc *sc); 125 static void udl_cmdq_put(struct udl_softc *sc, 126 struct udl_cmdq *cmdq); 127 static void udl_cmdq_flush(struct udl_softc *); 128 129 static void udl_cursor(void *, int, int, int); 130 static void udl_putchar(void *, int, int, u_int, long); 131 static void udl_copycols(void *, int, int, int, int); 132 static void udl_erasecols(void *, int, int, int, long); 133 static void udl_copyrows(void *, int, int, int); 134 static void udl_eraserows(void *, int, int, long); 135 136 static void udl_restore_char(struct rasops_info *); 137 static void udl_draw_char(struct rasops_info *, uint16_t *, u_int, 138 int, int); 139 static void udl_copy_rect(struct udl_softc *, int, int, int, int, 140 int, int); 141 static void udl_fill_rect(struct udl_softc *, uint16_t, int, int, 142 int, int); 143 #ifdef notyet 144 static void udl_draw_rect(struct udl_softc *, 145 struct udl_ioctl_damage *); 146 static void udl_draw_rect_comp(struct udl_softc *, 147 struct udl_ioctl_damage *); 148 #endif 149 150 static inline void udl_copy_line(struct udl_softc *, int, int, int); 151 static inline void udl_fill_line(struct udl_softc *, uint16_t, int, int); 152 static inline void udl_draw_line(struct udl_softc *, uint16_t *, int, 153 int); 154 #ifdef notyet 155 static inline void udl_draw_line_comp(struct udl_softc *, uint16_t *, int, 156 int); 157 #endif 158 159 static int udl_cmd_send(struct udl_softc *); 160 static void udl_cmd_send_async(struct udl_softc *); 161 static void udl_cmd_send_async_cb(struct usbd_xfer *, 162 void *, usbd_status); 163 164 static int udl_ctrl_msg(struct udl_softc *, uint8_t, uint8_t, 165 uint16_t, uint16_t, uint8_t *, uint16_t); 166 static int udl_init(struct udl_softc *); 167 static void udl_read_edid(struct udl_softc *); 168 static void udl_set_address(struct udl_softc *, int, int, int, 169 int); 170 static void udl_blank(struct udl_softc *, int); 171 static uint16_t udl_lfsr(uint16_t); 172 static int udl_set_resolution(struct udl_softc *, 173 const struct videomode *); 174 static const struct videomode *udl_videomode_lookup(const char *); 175 176 static inline void 177 udl_cmd_add_1(struct udl_softc *sc, uint8_t val) 178 { 179 180 *sc->sc_cmd_buf++ = val; 181 } 182 183 static inline void 184 udl_cmd_add_2(struct udl_softc *sc, uint16_t val) 185 { 186 187 be16enc(sc->sc_cmd_buf, val); 188 sc->sc_cmd_buf += 2; 189 } 190 191 static inline void 192 udl_cmd_add_3(struct udl_softc *sc, uint32_t val) 193 { 194 195 udl_cmd_add_2(sc, val >> 8); 196 udl_cmd_add_1(sc, val); 197 } 198 199 static inline void 200 udl_cmd_add_4(struct udl_softc *sc, uint32_t val) 201 { 202 203 be32enc(sc->sc_cmd_buf, val); 204 sc->sc_cmd_buf += 4; 205 } 206 207 static inline void 208 udl_cmd_add_buf(struct udl_softc *sc, uint16_t *buf, int width) 209 { 210 #if BYTE_ORDER == BIG_ENDIAN 211 memcpy(sc->sc_cmd_buf, buf, width * 2); 212 sc->sc_cmd_buf += width * 2; 213 #else 214 uint16_t *endp; 215 216 endp = buf + width; 217 218 if (((uintptr_t)sc->sc_cmd_buf & 1) == 0) { 219 while (buf < endp) { 220 *(uint16_t *)sc->sc_cmd_buf = htobe16(*buf++); 221 sc->sc_cmd_buf += 2; 222 } 223 } else { 224 while (buf < endp) { 225 be16enc(sc->sc_cmd_buf, *buf++); 226 sc->sc_cmd_buf += 2; 227 } 228 } 229 #endif 230 } 231 232 static inline void 233 udl_reg_write_1(struct udl_softc *sc, uint8_t reg, uint8_t val) 234 { 235 236 udl_cmd_add_4(sc, (UDL_BULK_SOC << 24) | 237 (UDL_BULK_CMD_REG_WRITE_1 << 16) | (reg << 8) | val); 238 } 239 240 static inline void 241 udl_reg_write_2(struct udl_softc *sc, uint8_t reg, uint16_t val) 242 { 243 244 udl_reg_write_1(sc, reg++, val >> 8); 245 udl_reg_write_1(sc, reg, val); 246 } 247 248 static inline void 249 udl_reg_write_3(struct udl_softc *sc, uint8_t reg, uint32_t val) 250 { 251 252 udl_reg_write_1(sc, reg++, val >> 16); 253 udl_reg_write_1(sc, reg++, val >> 8); 254 udl_reg_write_1(sc, reg, val); 255 } 256 257 /* XXX */ 258 static int 259 firmware_load(const char *dname, const char *iname, uint8_t **ucodep, 260 size_t *sizep) 261 { 262 firmware_handle_t fh; 263 int error; 264 265 if ((error = firmware_open(dname, iname, &fh)) != 0) 266 return error; 267 *sizep = firmware_get_size(fh); 268 if ((*ucodep = firmware_malloc(*sizep)) == NULL) { 269 firmware_close(fh); 270 return ENOMEM; 271 } 272 if ((error = firmware_read(fh, 0, *ucodep, *sizep)) != 0) 273 firmware_free(*ucodep, *sizep); 274 firmware_close(fh); 275 276 return error; 277 } 278 279 /* 280 * Driver glue. 281 */ 282 CFATTACH_DECL_NEW(udl, sizeof(struct udl_softc), 283 udl_match, udl_attach, udl_detach, NULL); 284 285 /* 286 * wsdisplay glue. 287 */ 288 static struct wsdisplay_accessops udl_accessops = { 289 udl_ioctl, 290 udl_mmap, 291 udl_alloc_screen, 292 udl_free_screen, 293 udl_show_screen, 294 NULL, 295 NULL, 296 NULL, 297 }; 298 299 /* 300 * Matching devices. 301 */ 302 static const struct usb_devno udl_devs[] = { 303 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_GUC2020 }, 304 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LD220 }, 305 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LD190 }, 306 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_U70 }, 307 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_VCUD60 }, 308 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_CONV }, 309 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_DLDVI }, 310 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_USBRGB }, 311 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LCDUSB7X }, 312 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LCDUSB10X }, 313 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_VGA10 }, 314 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_WSDVI }, 315 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_EC008 }, 316 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_GXDVIU2 }, 317 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_GXDVIU2B }, 318 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LCD4300U }, 319 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LCD8000U }, 320 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_HPDOCK }, 321 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_NL571 }, 322 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_M01061 }, 323 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_NBDOCK }, 324 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_SWDVI }, 325 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LUM70 }, 326 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LCD8000UD_DVI }, 327 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LDEWX015U }, 328 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LT1421WIDE }, 329 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_SD_U2VDH }, 330 { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_UM7X0 } 331 }; 332 333 static int 334 udl_match(device_t parent, cfdata_t match, void *aux) 335 { 336 struct usb_attach_arg *uaa = aux; 337 338 if (usb_lookup(udl_devs, uaa->uaa_vendor, uaa->uaa_product) != NULL) 339 return UMATCH_VENDOR_PRODUCT; 340 341 return UMATCH_NONE; 342 } 343 344 static void 345 udl_attach(device_t parent, device_t self, void *aux) 346 { 347 struct udl_softc *sc = device_private(self); 348 struct usb_attach_arg *uaa = aux; 349 struct wsemuldisplaydev_attach_args aa; 350 const struct videomode *vmp; 351 usbd_status error; 352 char *devinfop; 353 354 aprint_naive("\n"); 355 aprint_normal("\n"); 356 357 sc->sc_dev = self; 358 sc->sc_udev = uaa->uaa_device; 359 360 devinfop = usbd_devinfo_alloc(sc->sc_udev, 0); 361 aprint_normal_dev(sc->sc_dev, "%s\n", devinfop); 362 usbd_devinfo_free(devinfop); 363 364 /* 365 * Set device configuration descriptor number. 366 */ 367 error = usbd_set_config_no(sc->sc_udev, 1, 0); 368 if (error != USBD_NORMAL_COMPLETION) { 369 aprint_error_dev(self, "failed to set configuration" 370 ", err=%s\n", usbd_errstr(error)); 371 return; 372 } 373 374 /* 375 * Create device handle to interface descriptor. 376 */ 377 error = usbd_device2interface_handle(sc->sc_udev, 0, &sc->sc_iface); 378 if (error != USBD_NORMAL_COMPLETION) 379 return; 380 381 /* 382 * Open bulk TX pipe. 383 */ 384 error = usbd_open_pipe(sc->sc_iface, 1, USBD_EXCLUSIVE_USE, 385 &sc->sc_tx_pipeh); 386 if (error != USBD_NORMAL_COMPLETION) 387 return; 388 389 /* 390 * Allocate bulk command queue. 391 */ 392 #ifdef UDL_EVENT_COUNTERS 393 evcnt_attach_dynamic(&sc->sc_ev_cmdq_get, EVCNT_TYPE_MISC, NULL, 394 device_xname(sc->sc_dev), "udl_cmdq_get"); 395 evcnt_attach_dynamic(&sc->sc_ev_cmdq_put, EVCNT_TYPE_MISC, NULL, 396 device_xname(sc->sc_dev), "udl_cmdq_put"); 397 evcnt_attach_dynamic(&sc->sc_ev_cmdq_wait, EVCNT_TYPE_MISC, NULL, 398 device_xname(sc->sc_dev), "udl_cmdq_wait"); 399 evcnt_attach_dynamic(&sc->sc_ev_cmdq_timeout, EVCNT_TYPE_MISC, NULL, 400 device_xname(sc->sc_dev), "udl_cmdq_timeout"); 401 #endif 402 403 if (udl_cmdq_alloc(sc) != 0) 404 return; 405 406 cv_init(&sc->sc_cv, device_xname(sc->sc_dev)); 407 mutex_init(&sc->sc_mtx, MUTEX_DEFAULT, IPL_TTY); /* XXX for tty_lock */ 408 409 if ((sc->sc_cmd_cur = udl_cmdq_get(sc)) == NULL) 410 return; 411 UDL_CMD_BUFINIT(sc); 412 413 /* 414 * Initialize chip. 415 */ 416 if (udl_init(sc) != 0) 417 return; 418 419 udl_read_edid(sc); 420 421 /* 422 * Initialize resolution. 423 */ 424 #ifndef UDL_VIDEOMODE 425 if (sc->sc_ei.edid_nmodes != 0 && 426 sc->sc_ei.edid_preferred_mode != NULL) 427 vmp = sc->sc_ei.edid_preferred_mode; 428 else 429 #define UDL_VIDEOMODE "640x480x60" 430 #endif 431 vmp = udl_videomode_lookup(UDL_VIDEOMODE); 432 433 if (vmp == NULL) 434 return; 435 436 sc->sc_width = vmp->hdisplay; 437 sc->sc_height = vmp->vdisplay; 438 sc->sc_offscreen = sc->sc_height * 3 / 2; 439 sc->sc_depth = 16; 440 441 if (udl_set_resolution(sc, vmp) != 0) 442 return; 443 444 sc->sc_defaultscreen.name = "default"; 445 sc->sc_screens[0] = &sc->sc_defaultscreen; 446 sc->sc_screenlist.nscreens = 1; 447 sc->sc_screenlist.screens = sc->sc_screens; 448 449 /* 450 * Set initial wsdisplay emulation mode. 451 */ 452 sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 453 454 /* 455 * Attach wsdisplay. 456 */ 457 aa.console = 0; 458 aa.scrdata = &sc->sc_screenlist; 459 aa.accessops = &udl_accessops; 460 aa.accesscookie = sc; 461 462 sc->sc_wsdisplay = 463 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); 464 465 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 466 } 467 468 static int 469 udl_detach(device_t self, int flags) 470 { 471 struct udl_softc *sc = device_private(self); 472 473 /* 474 * Close bulk TX pipe. 475 */ 476 if (sc->sc_tx_pipeh != NULL) { 477 usbd_abort_pipe(sc->sc_tx_pipeh); 478 } 479 480 /* 481 * Free command xfer buffers. 482 */ 483 udl_cmdq_flush(sc); 484 udl_cmdq_free(sc); 485 486 if (sc->sc_tx_pipeh != NULL) { 487 usbd_close_pipe(sc->sc_tx_pipeh); 488 } 489 490 cv_destroy(&sc->sc_cv); 491 mutex_destroy(&sc->sc_mtx); 492 493 /* 494 * Free Huffman table. 495 */ 496 udl_comp_unload(sc); 497 498 /* 499 * Free framebuffer memory. 500 */ 501 udl_fbmem_free(sc); 502 503 /* 504 * Detach wsdisplay. 505 */ 506 if (sc->sc_wsdisplay != NULL) 507 config_detach(sc->sc_wsdisplay, DETACH_FORCE); 508 509 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 510 511 #ifdef UDL_EVENT_COUNTERS 512 evcnt_detach(&sc->sc_ev_cmdq_get); 513 evcnt_detach(&sc->sc_ev_cmdq_put); 514 evcnt_detach(&sc->sc_ev_cmdq_wait); 515 evcnt_detach(&sc->sc_ev_cmdq_timeout); 516 #endif 517 518 return 0; 519 } 520 521 static int 522 udl_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l) 523 { 524 struct udl_softc *sc = v; 525 #ifdef notyet 526 struct udl_ioctl_damage *d; 527 #endif 528 struct wsdisplay_fbinfo *wdf; 529 u_int mode; 530 531 switch (cmd) { 532 case WSDISPLAYIO_GTYPE: 533 *(u_int *)data = WSDISPLAY_TYPE_DL; 534 return 0; 535 536 case WSDISPLAYIO_GINFO: 537 wdf = (struct wsdisplay_fbinfo *)data; 538 wdf->height = sc->sc_height; 539 wdf->width = sc->sc_width; 540 wdf->depth = sc->sc_depth; 541 wdf->cmsize = 0; 542 return 0; 543 544 case WSDISPLAYIO_GVIDEO: 545 *(u_int *)data = sc->sc_blank; 546 return 0; 547 548 case WSDISPLAYIO_SVIDEO: 549 mode = *(u_int *)data; 550 if (mode == sc->sc_blank) 551 return 0; 552 switch (mode) { 553 case WSDISPLAYIO_VIDEO_OFF: 554 udl_blank(sc, 1); 555 break; 556 case WSDISPLAYIO_VIDEO_ON: 557 udl_blank(sc, 0); 558 break; 559 default: 560 return EINVAL; 561 } 562 udl_cmd_send_async(sc); 563 udl_cmdq_flush(sc); 564 sc->sc_blank = mode; 565 return 0; 566 567 case WSDISPLAYIO_SMODE: 568 mode = *(u_int *)data; 569 if (mode == sc->sc_mode) 570 return 0; 571 switch (mode) { 572 case WSDISPLAYIO_MODE_EMUL: 573 /* clear screen */ 574 udl_fill_rect(sc, 0, 0, 0, sc->sc_width, 575 sc->sc_height); 576 udl_cmd_send_async(sc); 577 udl_cmdq_flush(sc); 578 udl_comp_unload(sc); 579 break; 580 case WSDISPLAYIO_MODE_DUMBFB: 581 if (UDL_CMD_BUFSIZE(sc) > 0) 582 udl_cmd_send_async(sc); 583 udl_cmdq_flush(sc); 584 udl_comp_load(sc); 585 break; 586 default: 587 return EINVAL; 588 } 589 sc->sc_mode = mode; 590 return 0; 591 592 case WSDISPLAYIO_LINEBYTES: 593 *(u_int *)data = sc->sc_width * (sc->sc_depth / 8); 594 return 0; 595 596 #ifdef notyet 597 /* 598 * XXX 599 * OpenBSD allows device specific ioctl()s and use this 600 * UDLIO_DAMAGE for the damage extension ops of X servers. 601 * Before blindly pulling such interfaces, probably we should 602 * discuss how such devices should be handled which have 603 * in-direct framebuffer memories that should be transfered 604 * per updated rectangle regions via MI wscons APIs. 605 */ 606 case UDLIO_DAMAGE: 607 d = (struct udl_ioctl_damage *)data; 608 d->status = UDLIO_STATUS_OK; 609 if (sc->sc_flags & UDL_COMPRDY) 610 udl_draw_rect_comp(sc, d); 611 else 612 udl_draw_rect(sc, d); 613 return 0; 614 #endif 615 } 616 617 return EPASSTHROUGH; 618 } 619 620 static paddr_t 621 udl_mmap(void *v, void *vs, off_t off, int prot) 622 { 623 struct udl_softc *sc = v; 624 vaddr_t vaddr; 625 paddr_t paddr; 626 bool rv __diagused; 627 628 if (off < 0 || off > roundup2(UDL_FBMEM_SIZE(sc), PAGE_SIZE)) 629 return -1; 630 631 /* allocate framebuffer memory */ 632 if (udl_fbmem_alloc(sc) != 0) 633 return -1; 634 635 vaddr = (vaddr_t)sc->sc_fbmem + off; 636 rv = pmap_extract(pmap_kernel(), vaddr, &paddr); 637 KASSERT(rv); 638 paddr += vaddr & PGOFSET; 639 640 /* XXX we need MI paddr_t -> mmap cookie API */ 641 #if defined(__alpha__) 642 #define PTOMMAP(paddr) alpha_btop((char *)paddr) 643 #elif defined(__arm__) 644 #define PTOMMAP(paddr) arm_btop((u_long)paddr) 645 #elif defined(__hppa__) 646 #define PTOMMAP(paddr) btop((u_long)paddr) 647 #elif defined(__i386__) || defined(__x86_64__) 648 #define PTOMMAP(paddr) x86_btop(paddr) 649 #elif defined(__m68k__) 650 #define PTOMMAP(paddr) m68k_btop((char *)paddr) 651 #elif defined(__mips__) 652 #define PTOMMAP(paddr) mips_btop(paddr) 653 #elif defined(__powerpc__) 654 #define PTOMMAP(paddr) (paddr) 655 #elif defined(__sh__) 656 #define PTOMMAP(paddr) sh3_btop(paddr) 657 #elif defined(__sparc__) 658 #define PTOMMAP(paddr) (paddr) 659 #elif defined(__sparc64__) 660 #define PTOMMAP(paddr) atop(paddr) 661 #elif defined(__vax__) 662 #define PTOMMAP(paddr) btop((u_int)paddr) 663 #endif 664 665 return PTOMMAP(paddr); 666 } 667 668 static int 669 udl_alloc_screen(void *v, const struct wsscreen_descr *type, 670 void **cookiep, int *curxp, int *curyp, long *attrp) 671 { 672 struct udl_softc *sc = v; 673 674 if (sc->sc_nscreens > 0) 675 return ENOMEM; 676 677 /* 678 * Initialize rasops. 679 */ 680 sc->sc_ri.ri_depth = sc->sc_depth; 681 sc->sc_ri.ri_bits = NULL; 682 sc->sc_ri.ri_width = sc->sc_width; 683 sc->sc_ri.ri_height = sc->sc_height; 684 sc->sc_ri.ri_stride = sc->sc_width * (sc->sc_depth / 8); 685 sc->sc_ri.ri_hw = sc; 686 sc->sc_ri.ri_flg = 0; 687 688 if (sc->sc_depth == 16) { 689 sc->sc_ri.ri_rnum = 5; 690 sc->sc_ri.ri_gnum = 6; 691 sc->sc_ri.ri_bnum = 5; 692 sc->sc_ri.ri_rpos = 11; 693 sc->sc_ri.ri_gpos = 5; 694 sc->sc_ri.ri_bpos = 0; 695 } 696 697 rasops_init(&sc->sc_ri, sc->sc_height / 8, sc->sc_width / 8); 698 699 sc->sc_ri.ri_ops.cursor = udl_cursor; 700 sc->sc_ri.ri_ops.putchar = udl_putchar; 701 sc->sc_ri.ri_ops.copycols = udl_copycols; 702 sc->sc_ri.ri_ops.erasecols = udl_erasecols; 703 sc->sc_ri.ri_ops.copyrows = udl_copyrows; 704 sc->sc_ri.ri_ops.eraserows = udl_eraserows; 705 706 sc->sc_ri.ri_ops.allocattr(&sc->sc_ri, 0, 0, 0, attrp); 707 708 sc->sc_defaultscreen.ncols = sc->sc_ri.ri_cols; 709 sc->sc_defaultscreen.nrows = sc->sc_ri.ri_rows; 710 sc->sc_defaultscreen.textops = &sc->sc_ri.ri_ops; 711 sc->sc_defaultscreen.fontwidth = sc->sc_ri.ri_font->fontwidth; 712 sc->sc_defaultscreen.fontheight = sc->sc_ri.ri_font->fontheight; 713 sc->sc_defaultscreen.capabilities = sc->sc_ri.ri_caps; 714 715 *cookiep = &sc->sc_ri; 716 *curxp = 0; 717 *curyp = 0; 718 719 sc->sc_nscreens++; 720 721 return 0; 722 } 723 724 static void 725 udl_free_screen(void *v, void *cookie) 726 { 727 struct udl_softc *sc = v; 728 729 sc->sc_nscreens--; 730 } 731 732 static int 733 udl_show_screen(void *v, void *cookie, int waitok, 734 void (*cb)(void *, int, int), void *cbarg) 735 { 736 737 return 0; 738 } 739 740 static inline void 741 udl_cmd_add_decomptable(struct udl_softc *sc, uint8_t *buf, int len) 742 { 743 744 udl_cmd_add_2(sc, (UDL_BULK_SOC << 8) | UDL_BULK_CMD_DECOMP); 745 udl_cmd_add_4(sc, 0x263871cd); /* magic number */ 746 udl_cmd_add_4(sc, 0x00000200); /* 512 byte chunks */ 747 memcpy(sc->sc_cmd_buf, buf, len); 748 sc->sc_cmd_buf += len; 749 } 750 751 static void 752 udl_comp_load(struct udl_softc *sc) 753 { 754 struct udl_huffman *h; 755 uint8_t *decomp; 756 size_t decomp_size; 757 int error, i; 758 759 if (!(sc->sc_flags & UDL_DECOMPRDY)) { 760 error = firmware_load("udl", "udl-decomp", &decomp, 761 &decomp_size); 762 if (error != 0) { 763 aprint_error_dev(sc->sc_dev, 764 "error %d, could not read decomp table %s!\n", 765 error, "udl-decomp"); 766 return; 767 } 768 udl_cmd_add_decomptable(sc, decomp, decomp_size); 769 firmware_free(decomp, decomp_size); 770 if (udl_cmd_send(sc) != 0) 771 return; 772 sc->sc_flags |= UDL_DECOMPRDY; 773 } 774 775 if (!(sc->sc_flags & UDL_COMPRDY)) { 776 error = firmware_load("udl", "udl-comp", &sc->sc_huffman, 777 &sc->sc_huffman_size); 778 if (error != 0) { 779 aprint_error_dev(sc->sc_dev, 780 "error %d, could not read huffman table %s!\n", 781 error, "udl-comp"); 782 return; 783 } 784 h = (struct udl_huffman *)sc->sc_huffman; 785 for (i = 0; i < UDL_HUFFMAN_RECORDS; i++) 786 h[i].bit_pattern = be32toh(h[i].bit_pattern); 787 sc->sc_huffman_base = sc->sc_huffman + UDL_HUFFMAN_BASE; 788 sc->sc_flags |= UDL_COMPRDY; 789 } 790 } 791 792 static void 793 udl_comp_unload(struct udl_softc *sc) 794 { 795 796 if (sc->sc_flags & UDL_COMPRDY) { 797 firmware_free(sc->sc_huffman, sc->sc_huffman_size); 798 sc->sc_huffman = NULL; 799 sc->sc_huffman_size = 0; 800 sc->sc_flags &= ~UDL_COMPRDY; 801 } 802 } 803 804 static int 805 udl_fbmem_alloc(struct udl_softc *sc) 806 { 807 808 if (sc->sc_fbmem == NULL) { 809 sc->sc_fbmem = kmem_alloc(UDL_FBMEM_SIZE(sc), KM_SLEEP); 810 if (sc->sc_fbmem == NULL) 811 return -1; 812 } 813 814 return 0; 815 } 816 817 static void 818 udl_fbmem_free(struct udl_softc *sc) 819 { 820 821 if (sc->sc_fbmem != NULL) { 822 kmem_free(sc->sc_fbmem, UDL_FBMEM_SIZE(sc)); 823 sc->sc_fbmem = NULL; 824 } 825 } 826 827 static int 828 udl_cmdq_alloc(struct udl_softc *sc) 829 { 830 struct udl_cmdq *cmdq; 831 int i; 832 833 TAILQ_INIT(&sc->sc_freecmd); 834 TAILQ_INIT(&sc->sc_xfercmd); 835 836 for (i = 0; i < UDL_NCMDQ; i++) { 837 cmdq = &sc->sc_cmdq[i]; 838 839 cmdq->cq_sc = sc; 840 841 int err = usbd_create_xfer(sc->sc_tx_pipeh, 842 UDL_CMD_BUFFER_SIZE, 0, 0, &cmdq->cq_xfer); 843 if (err) { 844 aprint_error_dev(sc->sc_dev, 845 "%s: can't allocate xfer handle!\n", __func__); 846 goto error; 847 } 848 849 cmdq->cq_buf = usbd_get_buffer(cmdq->cq_xfer); 850 851 TAILQ_INSERT_TAIL(&sc->sc_freecmd, cmdq, cq_chain); 852 } 853 854 return 0; 855 856 error: 857 udl_cmdq_free(sc); 858 return -1; 859 } 860 861 static void 862 udl_cmdq_free(struct udl_softc *sc) 863 { 864 struct udl_cmdq *cmdq; 865 int i; 866 867 for (i = 0; i < UDL_NCMDQ; i++) { 868 cmdq = &sc->sc_cmdq[i]; 869 870 if (cmdq->cq_xfer != NULL) { 871 usbd_destroy_xfer(cmdq->cq_xfer); 872 cmdq->cq_xfer = NULL; 873 cmdq->cq_buf = NULL; 874 } 875 } 876 } 877 878 static struct udl_cmdq * 879 udl_cmdq_get(struct udl_softc *sc) 880 { 881 struct udl_cmdq *cmdq; 882 883 cmdq = TAILQ_FIRST(&sc->sc_freecmd); 884 if (cmdq != NULL) { 885 TAILQ_REMOVE(&sc->sc_freecmd, cmdq, cq_chain); 886 UDL_EVCNT_INCR(&sc->sc_ev_cmdq_get); 887 } 888 889 return cmdq; 890 } 891 892 static void 893 udl_cmdq_put(struct udl_softc *sc, struct udl_cmdq *cmdq) 894 { 895 896 TAILQ_INSERT_TAIL(&sc->sc_freecmd, cmdq, cq_chain); 897 UDL_EVCNT_INCR(&sc->sc_ev_cmdq_put); 898 } 899 900 static void 901 udl_cmdq_flush(struct udl_softc *sc) 902 { 903 904 mutex_enter(&sc->sc_mtx); 905 while (TAILQ_FIRST(&sc->sc_xfercmd) != NULL) 906 cv_wait(&sc->sc_cv, &sc->sc_mtx); 907 mutex_exit(&sc->sc_mtx); 908 } 909 910 static void 911 udl_cursor(void *cookie, int on, int row, int col) 912 { 913 struct rasops_info *ri = cookie; 914 struct udl_softc *sc = ri->ri_hw; 915 int x, y, width, height; 916 917 if (ri->ri_flg & RI_CURSOR) 918 udl_restore_char(ri); 919 920 ri->ri_crow = row; 921 ri->ri_ccol = col; 922 923 if (on != 0) { 924 ri->ri_flg |= RI_CURSOR; 925 926 x = col * ri->ri_font->fontwidth; 927 y = row * ri->ri_font->fontheight; 928 width = ri->ri_font->fontwidth; 929 height = ri->ri_font->fontheight; 930 931 /* save the last character block to off-screen */ 932 udl_copy_rect(sc, x, y, 0, sc->sc_offscreen, width, height); 933 934 /* draw cursor */ 935 udl_fill_rect(sc, 0xffff, x, y, width, 1); 936 udl_fill_rect(sc, 0xffff, x, y + 1, 1, height - 2); 937 udl_fill_rect(sc, 0xffff, x + width - 1, y + 1, 1, height - 2); 938 udl_fill_rect(sc, 0xffff, x, y + height - 1, width, 1); 939 940 udl_cmd_send_async(sc); 941 } else 942 ri->ri_flg &= ~RI_CURSOR; 943 } 944 945 static void 946 udl_putchar(void *cookie, int row, int col, u_int uc, long attr) 947 { 948 struct rasops_info *ri = cookie; 949 struct udl_softc *sc = ri->ri_hw; 950 uint16_t rgb16[2]; 951 int fg, bg, underline, x, y, width, height; 952 953 rasops_unpack_attr(attr, &fg, &bg, &underline); 954 rgb16[1] = (uint16_t)ri->ri_devcmap[fg]; 955 rgb16[0] = (uint16_t)ri->ri_devcmap[bg]; 956 957 x = col * ri->ri_font->fontwidth; 958 y = row * ri->ri_font->fontheight; 959 width = ri->ri_font->fontwidth; 960 height = ri->ri_font->fontheight; 961 962 if (uc == ' ') { 963 /* 964 * Writting a block for the space character instead rendering 965 * it from font bits is more slim. 966 */ 967 udl_fill_rect(sc, rgb16[0], x, y, width, height); 968 } else { 969 /* render a character from font bits */ 970 udl_draw_char(ri, rgb16, uc, x, y); 971 } 972 973 if (underline != 0) 974 udl_fill_rect(sc, rgb16[1], x, y + height - 1, width, 1); 975 976 #if 0 977 udl_cmd_send_async(sc); 978 #endif 979 } 980 981 static void 982 udl_copycols(void *cookie, int row, int src, int dst, int num) 983 { 984 struct rasops_info *ri = cookie; 985 struct udl_softc *sc = ri->ri_hw; 986 int sx, dx, y, width, height; 987 988 sx = src * ri->ri_font->fontwidth; 989 dx = dst * ri->ri_font->fontwidth; 990 y = row * ri->ri_font->fontheight; 991 width = num * ri->ri_font->fontwidth; 992 height = ri->ri_font->fontheight; 993 994 /* copy row block to off-screen first to fix overlay-copy problem */ 995 udl_copy_rect(sc, sx, y, 0, sc->sc_offscreen, width, height); 996 997 /* copy row block back from off-screen now */ 998 udl_copy_rect(sc, 0, sc->sc_offscreen, dx, y, width, height); 999 #if 0 1000 udl_cmd_send_async(sc); 1001 #endif 1002 } 1003 1004 static void 1005 udl_erasecols(void *cookie, int row, int col, int num, long attr) 1006 { 1007 struct rasops_info *ri = cookie; 1008 struct udl_softc *sc = ri->ri_hw; 1009 uint16_t rgb16; 1010 int fg, bg, x, y, width, height; 1011 1012 rasops_unpack_attr(attr, &fg, &bg, NULL); 1013 rgb16 = (uint16_t)ri->ri_devcmap[bg]; 1014 1015 x = col * ri->ri_font->fontwidth; 1016 y = row * ri->ri_font->fontheight; 1017 width = num * ri->ri_font->fontwidth; 1018 height = ri->ri_font->fontheight; 1019 1020 udl_fill_rect(sc, rgb16, x, y, width, height); 1021 #if 0 1022 udl_cmd_send_async(sc); 1023 #endif 1024 } 1025 1026 static void 1027 udl_copyrows(void *cookie, int src, int dst, int num) 1028 { 1029 struct rasops_info *ri = cookie; 1030 struct udl_softc *sc = ri->ri_hw; 1031 int sy, ey, dy, width, height; 1032 1033 width = ri->ri_emuwidth; 1034 height = ri->ri_font->fontheight; 1035 1036 if (dst < src) { 1037 sy = src * height; 1038 ey = (src + num) * height; 1039 dy = dst * height; 1040 1041 while (sy < ey) { 1042 udl_copy_rect(sc, 0, sy, 0, dy, width, height); 1043 sy += height; 1044 dy += height; 1045 } 1046 } else { 1047 sy = (src + num) * height; 1048 ey = src * height; 1049 dy = (dst + num) * height; 1050 1051 while (sy > ey) { 1052 sy -= height; 1053 dy -= height; 1054 udl_copy_rect(sc, 0, sy, 0, dy, width, height); 1055 } 1056 } 1057 #if 0 1058 udl_cmd_send_async(sc); 1059 #endif 1060 } 1061 1062 static void 1063 udl_eraserows(void *cookie, int row, int num, long attr) 1064 { 1065 struct rasops_info *ri = cookie; 1066 struct udl_softc *sc = ri->ri_hw; 1067 uint16_t rgb16; 1068 int fg, bg, y, width, height; 1069 1070 rasops_unpack_attr(attr, &fg, &bg, NULL); 1071 rgb16 = (uint16_t)ri->ri_devcmap[bg]; 1072 1073 y = row * ri->ri_font->fontheight; 1074 width = ri->ri_emuwidth; 1075 height = num * ri->ri_font->fontheight; 1076 1077 udl_fill_rect(sc, rgb16, 0, y, width, height); 1078 #if 0 1079 udl_cmd_send_async(sc); 1080 #endif 1081 } 1082 1083 static void 1084 udl_restore_char(struct rasops_info *ri) 1085 { 1086 struct udl_softc *sc = ri->ri_hw; 1087 int x, y, width, height; 1088 1089 x = ri->ri_ccol * ri->ri_font->fontwidth; 1090 y = ri->ri_crow * ri->ri_font->fontheight; 1091 width = ri->ri_font->fontwidth; 1092 height = ri->ri_font->fontheight; 1093 1094 /* restore the last saved character from off-screen */ 1095 udl_copy_rect(sc, 0, sc->sc_offscreen, x, y, width, height); 1096 } 1097 1098 static void 1099 udl_draw_char(struct rasops_info *ri, uint16_t *rgb16, u_int uc, int x, int y) 1100 { 1101 struct udl_softc *sc = ri->ri_hw; 1102 struct wsdisplay_font *font = ri->ri_font; 1103 uint32_t fontbits; 1104 uint16_t pixels[32]; 1105 uint8_t *fontbase; 1106 int i, soff, eoff; 1107 1108 soff = y * sc->sc_width + x; 1109 eoff = (y + font->fontheight) * sc->sc_width + x; 1110 fontbase = (uint8_t *)font->data + (uc - font->firstchar) * 1111 ri->ri_fontscale; 1112 1113 while (soff < eoff) { 1114 fontbits = 0; 1115 switch (font->stride) { 1116 case 4: 1117 fontbits |= fontbase[3]; 1118 /* FALLTHROUGH */ 1119 case 3: 1120 fontbits |= fontbase[2] << 8; 1121 /* FALLTHROUGH */ 1122 case 2: 1123 fontbits |= fontbase[1] << 16; 1124 /* FALLTHROUGH */ 1125 case 1: 1126 fontbits |= fontbase[0] << 24; 1127 } 1128 fontbase += font->stride; 1129 1130 for (i = 0; i < font->fontwidth; i++) { 1131 pixels[i] = rgb16[(fontbits >> 31) & 1]; 1132 fontbits <<= 1; 1133 } 1134 1135 udl_draw_line(sc, pixels, soff, font->fontwidth); 1136 soff += sc->sc_width; 1137 } 1138 } 1139 1140 static void 1141 udl_copy_rect(struct udl_softc *sc, int sx, int sy, int dx, int dy, int width, 1142 int height) 1143 { 1144 int sbase, soff, ebase, eoff, dbase, doff, width_cur; 1145 1146 sbase = sy * sc->sc_width; 1147 ebase = (sy + height) * sc->sc_width; 1148 dbase = dy * sc->sc_width; 1149 1150 while (width > 0) { 1151 soff = sbase + sx; 1152 eoff = ebase + sx; 1153 doff = dbase + dx; 1154 1155 if (width >= UDL_CMD_WIDTH_MAX) 1156 width_cur = UDL_CMD_WIDTH_MAX; 1157 else 1158 width_cur = width; 1159 1160 while (soff < eoff) { 1161 udl_copy_line(sc, soff, doff, width_cur); 1162 soff += sc->sc_width; 1163 doff += sc->sc_width; 1164 } 1165 1166 sx += width_cur; 1167 dx += width_cur; 1168 width -= width_cur; 1169 } 1170 } 1171 1172 static void 1173 udl_fill_rect(struct udl_softc *sc, uint16_t rgb16, int x, int y, int width, 1174 int height) 1175 { 1176 int sbase, soff, ebase, eoff, width_cur; 1177 1178 sbase = y * sc->sc_width; 1179 ebase = (y + height) * sc->sc_width; 1180 1181 while (width > 0) { 1182 soff = sbase + x; 1183 eoff = ebase + x; 1184 1185 if (width >= UDL_CMD_WIDTH_MAX) 1186 width_cur = UDL_CMD_WIDTH_MAX; 1187 else 1188 width_cur = width; 1189 1190 while (soff < eoff) { 1191 udl_fill_line(sc, rgb16, soff, width_cur); 1192 soff += sc->sc_width; 1193 } 1194 1195 x += width_cur; 1196 width -= width_cur; 1197 } 1198 } 1199 1200 #ifdef notyet 1201 static void 1202 udl_draw_rect(struct udl_softc *sc, struct udl_ioctl_damage *d) 1203 { 1204 int sbase, soff, ebase, eoff, x, y, width, width_cur, height; 1205 1206 x = d->x1; 1207 y = d->y1; 1208 width = d->x2 - d->x1; 1209 height = d->y2 - d->y1; 1210 sbase = y * sc->sc_width; 1211 ebase = (y + height) * sc->sc_width; 1212 1213 while (width > 0) { 1214 soff = sbase + x; 1215 eoff = ebase + x; 1216 1217 if (width >= UDL_CMD_WIDTH_MAX) 1218 width_cur = UDL_CMD_WIDTH_MAX; 1219 else 1220 width_cur = width; 1221 1222 while (soff < eoff) { 1223 udl_draw_line(sc, (uint16_t *)sc->sc_fbmem + soff, 1224 soff, width_cur); 1225 soff += sc->sc_width; 1226 } 1227 1228 x += width_cur; 1229 width -= width_cur; 1230 } 1231 1232 udl_cmd_send_async(sc); 1233 } 1234 1235 static void 1236 udl_draw_rect_comp(struct udl_softc *sc, struct udl_ioctl_damage *d) 1237 { 1238 int soff, eoff, x, y, width, height; 1239 1240 x = d->x1; 1241 y = d->y1; 1242 width = d->x2 - d->x1; 1243 height = d->y2 - d->y1; 1244 soff = y * sc->sc_width + x; 1245 eoff = (y + height) * sc->sc_width + x; 1246 1247 udl_reg_write_1(sc, UDL_REG_SYNC, 0xff); 1248 sc->sc_cmd_cblen = 4; 1249 1250 while (soff < eoff) { 1251 udl_draw_line_comp(sc, (uint16_t *)sc->sc_fbmem + soff, soff, 1252 width); 1253 soff += sc->sc_width; 1254 } 1255 1256 udl_cmd_send_async(sc); 1257 } 1258 #endif 1259 1260 static inline void 1261 udl_copy_line(struct udl_softc *sc, int soff, int doff, int width) 1262 { 1263 1264 if (__predict_false((UDL_CMD_BUFSIZE(sc) + UDL_CMD_COPY_SIZE + 2) > 1265 UDL_CMD_BUFFER_SIZE)) 1266 udl_cmd_send_async(sc); 1267 1268 udl_cmd_add_2(sc, (UDL_BULK_SOC << 8) | UDL_BULK_CMD_FB_COPY16); 1269 udl_cmd_add_4(sc, ((doff * 2) << 8) | (width & 0xff)); 1270 1271 udl_cmd_add_3(sc, soff * 2); 1272 } 1273 1274 static inline void 1275 udl_fill_line(struct udl_softc *sc, uint16_t rgb16, int off, int width) 1276 { 1277 1278 if (__predict_false((UDL_CMD_BUFSIZE(sc) + UDL_CMD_FILL_SIZE + 2) > 1279 UDL_CMD_BUFFER_SIZE)) 1280 udl_cmd_send_async(sc); 1281 1282 udl_cmd_add_2(sc, (UDL_BULK_SOC << 8) | UDL_BULK_CMD_FB_RLE16); 1283 udl_cmd_add_4(sc, ((off * 2) << 8) | (width & 0xff)); 1284 1285 udl_cmd_add_1(sc, width); 1286 udl_cmd_add_2(sc, rgb16); 1287 } 1288 1289 static inline void 1290 udl_draw_line(struct udl_softc *sc, uint16_t *buf, int off, int width) 1291 { 1292 1293 if (__predict_false( 1294 (UDL_CMD_BUFSIZE(sc) + UDL_CMD_DRAW_SIZE(width) + 2) > 1295 UDL_CMD_BUFFER_SIZE)) 1296 udl_cmd_send_async(sc); 1297 1298 udl_cmd_add_2(sc, (UDL_BULK_SOC << 8) | UDL_BULK_CMD_FB_WRITE16); 1299 udl_cmd_add_4(sc, ((off * 2) << 8) | (width & 0xff)); 1300 1301 udl_cmd_add_buf(sc, buf, width); 1302 } 1303 1304 #ifdef notyet 1305 static inline int 1306 udl_cmd_add_buf_comp(struct udl_softc *sc, uint16_t *buf, int width) 1307 { 1308 struct udl_huffman *h; 1309 uint16_t *startp, *endp; 1310 uint32_t bit_pattern; 1311 uint16_t prev; 1312 int16_t diff; 1313 uint8_t bit_count, bit_pos, bit_rem, curlen; 1314 1315 startp = buf; 1316 if (width >= UDL_CMD_WIDTH_MAX) 1317 endp = buf + UDL_CMD_WIDTH_MAX; 1318 else 1319 endp = buf + width; 1320 1321 prev = bit_pos = *sc->sc_cmd_buf = 0; 1322 bit_rem = 8; 1323 1324 /* 1325 * Generate a sub-block with maximal 256 pixels compressed data. 1326 */ 1327 while (buf < endp) { 1328 /* get difference between current and previous pixel */ 1329 diff = *buf - prev; 1330 1331 /* get the huffman difference bit sequence */ 1332 h = (struct udl_huffman *)sc->sc_huffman_base + diff; 1333 bit_count = h->bit_count; 1334 bit_pattern = h->bit_pattern; 1335 1336 curlen = (bit_pos + bit_count + 7) / 8; 1337 if (__predict_false((sc->sc_cmd_cblen + curlen + 1) > 1338 UDL_CMD_COMP_BLOCK_SIZE)) 1339 break; 1340 1341 /* generate one pixel compressed data */ 1342 while (bit_count >= bit_rem) { 1343 *sc->sc_cmd_buf++ |= 1344 (bit_pattern & ((1 << bit_rem) - 1)) << bit_pos; 1345 *sc->sc_cmd_buf = 0; 1346 sc->sc_cmd_cblen++; 1347 bit_count -= bit_rem; 1348 bit_pattern >>= bit_rem; 1349 bit_pos = 0; 1350 bit_rem = 8; 1351 } 1352 1353 if (bit_count > 0) { 1354 *sc->sc_cmd_buf |= 1355 (bit_pattern & ((1 << bit_count) - 1)) << bit_pos; 1356 bit_pos += bit_count; 1357 bit_rem -= bit_count; 1358 } 1359 1360 prev = *buf++; 1361 } 1362 1363 /* 1364 * If we have bits left in our last byte, round up to the next 1365 * byte, so we don't overwrite them. 1366 */ 1367 if (bit_pos > 0) { 1368 sc->sc_cmd_buf++; 1369 sc->sc_cmd_cblen++; 1370 } 1371 1372 /* return how many pixels we have compressed */ 1373 return buf - startp; 1374 } 1375 1376 static inline void 1377 udl_draw_line_comp(struct udl_softc *sc, uint16_t *buf, int off, int width) 1378 { 1379 uint8_t *widthp; 1380 int width_cur; 1381 1382 while (width > 0) { 1383 if (__predict_false( 1384 (sc->sc_cmd_cblen + UDL_CMD_COMP_MIN_SIZE + 1) > 1385 UDL_CMD_COMP_BLOCK_SIZE)) { 1386 if (UDL_CMD_BUFSIZE(sc) < UDL_CMD_COMP_THRESHOLD) { 1387 while (sc->sc_cmd_cblen < 1388 UDL_CMD_COMP_BLOCK_SIZE) { 1389 *sc->sc_cmd_buf++ = 0; 1390 sc->sc_cmd_cblen++; 1391 } 1392 } else 1393 udl_cmd_send_async(sc); 1394 udl_reg_write_1(sc, UDL_REG_SYNC, 0xff); 1395 sc->sc_cmd_cblen = 4; 1396 } 1397 1398 udl_cmd_add_2(sc, (UDL_BULK_SOC << 8) | 1399 (UDL_BULK_CMD_FB_WRITE16 | UDL_BULK_CMD_FB_COMP)); 1400 udl_cmd_add_4(sc, (off * 2) << 8); 1401 1402 widthp = sc->sc_cmd_buf - 1; 1403 1404 sc->sc_cmd_cblen += UDL_CMD_HEADER_SIZE; 1405 1406 width_cur = udl_cmd_add_buf_comp(sc, buf, width); 1407 1408 *widthp = width_cur; 1409 buf += width_cur; 1410 off += width_cur; 1411 width -= width_cur; 1412 } 1413 } 1414 #endif 1415 1416 static int 1417 udl_cmd_send(struct udl_softc *sc) 1418 { 1419 struct udl_cmdq *cmdq; 1420 usbd_status error; 1421 uint32_t len; 1422 1423 cmdq = sc->sc_cmd_cur; 1424 1425 /* mark end of command stack */ 1426 udl_cmd_add_2(sc, (UDL_BULK_SOC << 8) | UDL_BULK_CMD_EOC); 1427 1428 len = UDL_CMD_BUFSIZE(sc); 1429 1430 /* do xfer */ 1431 error = usbd_bulk_transfer(cmdq->cq_xfer, sc->sc_tx_pipeh, 0, 1432 USBD_NO_TIMEOUT, cmdq->cq_buf, &len); 1433 1434 UDL_CMD_BUFINIT(sc); 1435 1436 if (error != USBD_NORMAL_COMPLETION) { 1437 aprint_error_dev(sc->sc_dev, "%s: %s!\n", __func__, 1438 usbd_errstr(error)); 1439 return -1; 1440 } 1441 1442 return 0; 1443 } 1444 1445 static void 1446 udl_cmd_send_async(struct udl_softc *sc) 1447 { 1448 struct udl_cmdq *cmdq; 1449 usbd_status error; 1450 uint32_t len; 1451 1452 #if 1 1453 /* 1454 * XXX 1455 * All tty ops for wsemul are called with tty_lock spin mutex held, 1456 * so we can't call cv_wait(9) here to acquire a free buffer. 1457 * For now, all commands and data for wsemul ops are discarded 1458 * if there is no free command buffer, and then screen text might 1459 * be corrupted on large scroll ops etc. 1460 * 1461 * Probably we have to reorganize the giant tty_lock mutex, or 1462 * change wsdisplay APIs (especially wsdisplaystart()) to return 1463 * a number of actually handled characters as OpenBSD does, but 1464 * the latter one requires whole API changes around rasops(9) etc. 1465 */ 1466 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { 1467 if (TAILQ_FIRST(&sc->sc_freecmd) == NULL) { 1468 UDL_CMD_BUFINIT(sc); 1469 return; 1470 } 1471 } 1472 #endif 1473 1474 cmdq = sc->sc_cmd_cur; 1475 1476 /* mark end of command stack */ 1477 udl_cmd_add_2(sc, (UDL_BULK_SOC << 8) | UDL_BULK_CMD_EOC); 1478 1479 len = UDL_CMD_BUFSIZE(sc); 1480 1481 /* do xfer */ 1482 mutex_enter(&sc->sc_mtx); 1483 usbd_setup_xfer(cmdq->cq_xfer, cmdq, cmdq->cq_buf, 1484 len, 0, USBD_NO_TIMEOUT, udl_cmd_send_async_cb); 1485 error = usbd_transfer(cmdq->cq_xfer); 1486 if (error != USBD_NORMAL_COMPLETION && error != USBD_IN_PROGRESS) { 1487 aprint_error_dev(sc->sc_dev, "%s: %s!\n", __func__, 1488 usbd_errstr(error)); 1489 mutex_exit(&sc->sc_mtx); 1490 goto end; 1491 } 1492 1493 TAILQ_INSERT_TAIL(&sc->sc_xfercmd, cmdq, cq_chain); 1494 cmdq = udl_cmdq_get(sc); 1495 mutex_exit(&sc->sc_mtx); 1496 while (cmdq == NULL) { 1497 int err; 1498 UDL_EVCNT_INCR(&sc->sc_ev_cmdq_wait); 1499 mutex_enter(&sc->sc_mtx); 1500 err = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, 1501 mstohz(100) /* XXX is this needed? */); 1502 if (err != 0) { 1503 DPRINTF(("%s: %s: cv timeout (error = %d)\n", 1504 device_xname(sc->sc_dev), __func__, err)); 1505 UDL_EVCNT_INCR(&sc->sc_ev_cmdq_timeout); 1506 } 1507 cmdq = udl_cmdq_get(sc); 1508 mutex_exit(&sc->sc_mtx); 1509 } 1510 sc->sc_cmd_cur = cmdq; 1511 end: 1512 UDL_CMD_BUFINIT(sc); 1513 } 1514 1515 static void 1516 udl_cmd_send_async_cb(struct usbd_xfer *xfer, void * priv, 1517 usbd_status status) 1518 { 1519 struct udl_cmdq *cmdq = priv; 1520 struct udl_softc *sc = cmdq->cq_sc; 1521 1522 if (status != USBD_NORMAL_COMPLETION) { 1523 aprint_error_dev(sc->sc_dev, "%s: %s!\n", __func__, 1524 usbd_errstr(status)); 1525 1526 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1527 return; 1528 if (status == USBD_STALLED) 1529 usbd_clear_endpoint_stall_async(sc->sc_tx_pipeh); 1530 } 1531 1532 mutex_enter(&sc->sc_mtx); 1533 TAILQ_REMOVE(&sc->sc_xfercmd, cmdq, cq_chain); 1534 udl_cmdq_put(sc, cmdq); 1535 1536 /* signal xfer op that sleeps for a free xfer buffer */ 1537 cv_signal(&sc->sc_cv); 1538 mutex_exit(&sc->sc_mtx); 1539 } 1540 1541 static int 1542 udl_ctrl_msg(struct udl_softc *sc, uint8_t rt, uint8_t r, uint16_t index, 1543 uint16_t value, uint8_t *buf, uint16_t len) 1544 { 1545 usb_device_request_t req; 1546 usbd_status error; 1547 1548 req.bmRequestType = rt; 1549 req.bRequest = r; 1550 USETW(req.wIndex, index); 1551 USETW(req.wValue, value); 1552 USETW(req.wLength, len); 1553 1554 error = usbd_do_request(sc->sc_udev, &req, buf); 1555 if (error != USBD_NORMAL_COMPLETION) { 1556 aprint_error_dev(sc->sc_dev, "%s: %s!\n", __func__, 1557 usbd_errstr(error)); 1558 return -1; 1559 } 1560 1561 return 0; 1562 } 1563 1564 static int 1565 udl_init(struct udl_softc *sc) 1566 { 1567 static uint8_t key[16] = { 1568 0x57, 0xcd, 0xdc, 0xa7, 0x1c, 0x88, 0x5e, 0x15, 1569 0x60, 0xfe, 0xc6, 0x97, 0x16, 0x3d, 0x47, 0xf2 1570 }; 1571 uint8_t status[4], val; 1572 1573 if (udl_ctrl_msg(sc, UT_READ_VENDOR_DEVICE, UDL_CTRL_CMD_READ_STATUS, 1574 0x0000, 0x0000, status, sizeof(status)) != 0) 1575 return -1; 1576 1577 if (udl_ctrl_msg(sc, UT_READ_VENDOR_DEVICE, UDL_CTRL_CMD_READ_1, 1578 0xc484, 0x0000, &val, 1) != 0) 1579 return -1; 1580 1581 val = 1; 1582 if (udl_ctrl_msg(sc, UT_WRITE_VENDOR_DEVICE, UDL_CTRL_CMD_WRITE_1, 1583 0xc41f, 0x0000, &val, 1) != 0) 1584 return -1; 1585 1586 if (udl_ctrl_msg(sc, UT_WRITE_VENDOR_DEVICE, UDL_CTRL_CMD_SET_KEY, 1587 0x0000, 0x0000, key, sizeof(key)) != 0) 1588 return -1; 1589 1590 val = 0; 1591 if (udl_ctrl_msg(sc, UT_WRITE_VENDOR_DEVICE, UDL_CTRL_CMD_WRITE_1, 1592 0xc40b, 0x0000, &val, 1) != 0) 1593 return -1; 1594 1595 return 0; 1596 } 1597 1598 static void 1599 udl_read_edid(struct udl_softc *sc) 1600 { 1601 uint8_t buf[64], edid[128]; 1602 int offset; 1603 1604 memset(&sc->sc_ei, 0, sizeof(struct edid_info)); 1605 1606 offset = 0; 1607 if (udl_ctrl_msg(sc, UT_READ_VENDOR_DEVICE, UDL_CTRL_CMD_READ_EDID, 1608 0x00a1, (offset << 8), buf, 64) != 0) 1609 return; 1610 if (buf[0] != 0) 1611 return; 1612 memcpy(&edid[offset], &buf[1], 63); 1613 offset += 63; 1614 1615 if (udl_ctrl_msg(sc, UT_READ_VENDOR_DEVICE, UDL_CTRL_CMD_READ_EDID, 1616 0x00a1, (offset << 8), buf, 64) != 0) 1617 return; 1618 if (buf[0] != 0) 1619 return; 1620 memcpy(&edid[offset], &buf[1], 63); 1621 offset += 63; 1622 1623 if (udl_ctrl_msg(sc, UT_READ_VENDOR_DEVICE, UDL_CTRL_CMD_READ_EDID, 1624 0x00a1, (offset << 8), buf, 3) != 0) 1625 return; 1626 if (buf[0] != 0) 1627 return; 1628 memcpy(&edid[offset], &buf[1], 2); 1629 1630 if (edid_parse(edid, &sc->sc_ei) == 0) { 1631 #ifdef UDL_DEBUG 1632 edid_print(&sc->sc_ei); 1633 #endif 1634 } 1635 } 1636 1637 static void 1638 udl_set_address(struct udl_softc *sc, int start16, int stride16, int start8, 1639 int stride8) 1640 { 1641 udl_reg_write_1(sc, UDL_REG_SYNC, 0x00); 1642 udl_reg_write_3(sc, UDL_REG_ADDR_START16, start16); 1643 udl_reg_write_3(sc, UDL_REG_ADDR_STRIDE16, stride16); 1644 udl_reg_write_3(sc, UDL_REG_ADDR_START8, start8); 1645 udl_reg_write_3(sc, UDL_REG_ADDR_STRIDE8, stride8); 1646 udl_reg_write_1(sc, UDL_REG_SYNC, 0xff); 1647 } 1648 1649 static void 1650 udl_blank(struct udl_softc *sc, int blank) 1651 { 1652 1653 if (blank != 0) 1654 udl_reg_write_1(sc, UDL_REG_BLANK, UDL_REG_BLANK_ON); 1655 else 1656 udl_reg_write_1(sc, UDL_REG_BLANK, UDL_REG_BLANK_OFF); 1657 udl_reg_write_1(sc, UDL_REG_SYNC, 0xff); 1658 } 1659 1660 static uint16_t 1661 udl_lfsr(uint16_t count) 1662 { 1663 uint16_t val = 0xffff; 1664 1665 while (count > 0) { 1666 val = (uint16_t)(val << 1) | ((uint16_t)( 1667 (uint16_t)(val << 0) ^ 1668 (uint16_t)(val << 11) ^ 1669 (uint16_t)(val << 13) ^ 1670 (uint16_t)(val << 14) 1671 ) >> 15); 1672 count--; 1673 } 1674 1675 return val; 1676 } 1677 1678 static int 1679 udl_set_resolution(struct udl_softc *sc, const struct videomode *vmp) 1680 { 1681 uint16_t val; 1682 int start16, stride16, start8, stride8; 1683 1684 /* set video memory offsets */ 1685 start16 = 0; 1686 stride16 = sc->sc_width * 2; 1687 start8 = stride16 * sc->sc_height; 1688 stride8 = sc->sc_width; 1689 udl_set_address(sc, start16, stride16, start8, stride8); 1690 1691 /* write resolution values */ 1692 udl_reg_write_1(sc, UDL_REG_SYNC, 0x00); 1693 udl_reg_write_1(sc, UDL_REG_COLORDEPTH, UDL_REG_COLORDEPTH_16); 1694 val = vmp->htotal - vmp->hsync_start; 1695 udl_reg_write_2(sc, UDL_REG_XDISPLAYSTART, udl_lfsr(val)); 1696 val += vmp->hdisplay; 1697 udl_reg_write_2(sc, UDL_REG_XDISPLAYEND, udl_lfsr(val)); 1698 val = vmp->vtotal - vmp->vsync_start; 1699 udl_reg_write_2(sc, UDL_REG_YDISPLAYSTART, udl_lfsr(val)); 1700 val += vmp->vdisplay; 1701 udl_reg_write_2(sc, UDL_REG_YDISPLAYEND, udl_lfsr(val)); 1702 val = vmp->htotal - 1; 1703 udl_reg_write_2(sc, UDL_REG_XENDCOUNT, udl_lfsr(val)); 1704 val = vmp->hsync_end - vmp->hsync_start + 1; 1705 if (vmp->flags & VID_PHSYNC) { 1706 udl_reg_write_2(sc, UDL_REG_HSYNCSTART, udl_lfsr(1)); 1707 udl_reg_write_2(sc, UDL_REG_HSYNCEND, udl_lfsr(val)); 1708 } else { 1709 udl_reg_write_2(sc, UDL_REG_HSYNCSTART, udl_lfsr(val)); 1710 udl_reg_write_2(sc, UDL_REG_HSYNCEND, udl_lfsr(1)); 1711 } 1712 val = vmp->hdisplay; 1713 udl_reg_write_2(sc, UDL_REG_HPIXELS, val); 1714 val = vmp->vtotal; 1715 udl_reg_write_2(sc, UDL_REG_YENDCOUNT, udl_lfsr(val)); 1716 val = vmp->vsync_end - vmp->vsync_start; 1717 if (vmp->flags & VID_PVSYNC) { 1718 udl_reg_write_2(sc, UDL_REG_VSYNCSTART, udl_lfsr(0)); 1719 udl_reg_write_2(sc, UDL_REG_VSYNCEND, udl_lfsr(val)); 1720 } else { 1721 udl_reg_write_2(sc, UDL_REG_VSYNCSTART, udl_lfsr(val)); 1722 udl_reg_write_2(sc, UDL_REG_VSYNCEND, udl_lfsr(0)); 1723 } 1724 val = vmp->vdisplay; 1725 udl_reg_write_2(sc, UDL_REG_VPIXELS, val); 1726 val = vmp->dot_clock / 5; 1727 udl_reg_write_2(sc, UDL_REG_PIXELCLOCK5KHZ, bswap16(val)); 1728 udl_reg_write_1(sc, UDL_REG_SYNC, 0xff); 1729 1730 if (udl_cmd_send(sc) != 0) 1731 return -1; 1732 1733 /* clear screen */ 1734 udl_fill_rect(sc, 0, 0, 0, sc->sc_width, sc->sc_height); 1735 1736 if (udl_cmd_send(sc) != 0) 1737 return -1; 1738 1739 /* show framebuffer content */ 1740 udl_blank(sc, 0); 1741 1742 if (udl_cmd_send(sc) != 0) 1743 return -1; 1744 1745 sc->sc_blank = WSDISPLAYIO_VIDEO_ON; 1746 1747 return 0; 1748 } 1749 1750 static const struct videomode * 1751 udl_videomode_lookup(const char *name) 1752 { 1753 int i; 1754 1755 for (i = 0; i < videomode_count; i++) 1756 if (strcmp(name, videomode_list[i].name) == 0) 1757 return &videomode_list[i]; 1758 1759 return NULL; 1760 } 1761
Indexes created Wed Oct 01 19:09:53 GMT 2025