1 | /* $NetBSD: udl.c,v 1.17 2016/10/18 20:17:37 nat 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@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 1.17 2016/10/18 20:17:37 nat 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 <sys/kthread.h> |
65 | #include <sys/condvar.h> |
66 | #include <uvm/uvm.h> |
67 | |
68 | #include <sys/bus.h> |
69 | #include <sys/endian.h> |
70 | |
71 | #include <dev/usb/usb.h> |
72 | #include <dev/usb/usbdi.h> |
73 | #include <dev/usb/usbdivar.h> |
74 | #include <dev/usb/usbdi_util.h> |
75 | #include <dev/usb/usb_mem.h> |
76 | #include <dev/usb/usbdevs.h> |
77 | |
78 | #include <dev/firmload.h> |
79 | |
80 | #include <dev/videomode/videomode.h> |
81 | #include <dev/videomode/edidvar.h> |
82 | |
83 | #include <dev/wscons/wsconsio.h> |
84 | #include <dev/wscons/wsdisplayvar.h> |
85 | #include <dev/rasops/rasops.h> |
86 | |
87 | #include <dev/usb/udl.h> |
88 | #ifdef notyet |
89 | #include <dev/usb/udlio.h> |
90 | #endif |
91 | |
92 | /* |
93 | * Defines. |
94 | */ |
95 | #ifdef UDL_DEBUG |
96 | #define DPRINTF(x) do { if (udl_debug) printf x; } while (0) |
97 | #define DPRINTFN(n, x) do { if (udl_debug >= (n)) printf x; } while (0) |
98 | int udl_debug = 1; |
99 | #else |
100 | #define DPRINTF(x) do {} while (0) |
101 | #define DPRINTFN(n, x) do {} while (0) |
102 | #endif |
103 | |
104 | /* |
105 | * Prototypes. |
106 | */ |
107 | static int udl_match(device_t, cfdata_t, void *); |
108 | static void udl_attach(device_t, device_t, void *); |
109 | static int udl_detach(device_t, int); |
110 | |
111 | static int udl_ioctl(void *, void *, u_long, void *, int, |
112 | struct lwp *); |
113 | static paddr_t udl_mmap(void *, void *, off_t, int); |
114 | static int udl_alloc_screen(void *, const struct wsscreen_descr *, |
115 | void **, int *, int *, long *); |
116 | static void udl_free_screen(void *, void *); |
117 | static int udl_show_screen(void *, void *, int, |
118 | void (*)(void *, int, int), void *); |
119 | |
120 | static void udl_comp_load(struct udl_softc *); |
121 | static void udl_comp_unload(struct udl_softc *); |
122 | static int udl_fbmem_alloc(struct udl_softc *); |
123 | static void udl_fbmem_free(struct udl_softc *); |
124 | static int udl_cmdq_alloc(struct udl_softc *); |
125 | static void udl_cmdq_free(struct udl_softc *); |
126 | static struct udl_cmdq *udl_cmdq_get(struct udl_softc *sc); |
127 | static void udl_cmdq_put(struct udl_softc *sc, |
128 | struct udl_cmdq *cmdq); |
129 | static void udl_cmdq_flush(struct udl_softc *); |
130 | |
131 | static void udl_cursor(void *, int, int, int); |
132 | static void udl_putchar(void *, int, int, u_int, long); |
133 | static void udl_copycols(void *, int, int, int, int); |
134 | static void udl_erasecols(void *, int, int, int, long); |
135 | static void udl_copyrows(void *, int, int, int); |
136 | static void udl_eraserows(void *, int, int, long); |
137 | |
138 | static void udl_restore_char(struct rasops_info *); |
139 | static void udl_draw_char(struct rasops_info *, uint16_t *, u_int, |
140 | int, int); |
141 | static void udl_copy_rect(struct udl_softc *, int, int, int, int, |
142 | int, int); |
143 | static void udl_fill_rect(struct udl_softc *, uint16_t, int, int, |
144 | int, int); |
145 | #ifdef notyet |
146 | static void udl_draw_rect(struct udl_softc *, |
147 | struct udl_ioctl_damage *); |
148 | static void udl_draw_rect_comp(struct udl_softc *, |
149 | struct udl_ioctl_damage *); |
150 | #endif |
151 | |
152 | static inline void udl_copy_line(struct udl_softc *, int, int, int); |
153 | static inline void udl_fill_line(struct udl_softc *, uint16_t, int, int); |
154 | static inline void udl_draw_line(struct udl_softc *, uint16_t *, int, |
155 | int); |
156 | #ifdef notyet |
157 | static inline void udl_draw_line_comp(struct udl_softc *, uint16_t *, int, |
158 | int); |
159 | #endif |
160 | |
161 | static int udl_cmd_send(struct udl_softc *); |
162 | static void udl_cmd_send_async(struct udl_softc *); |
163 | static void udl_cmd_send_async_cb(struct usbd_xfer *, |
164 | void *, usbd_status); |
165 | |
166 | static int udl_ctrl_msg(struct udl_softc *, uint8_t, uint8_t, |
167 | uint16_t, uint16_t, uint8_t *, uint16_t); |
168 | static int udl_init(struct udl_softc *); |
169 | static void udl_read_edid(struct udl_softc *); |
170 | static void udl_set_address(struct udl_softc *, int, int, int, |
171 | int); |
172 | static void udl_blank(struct udl_softc *, int); |
173 | static uint16_t udl_lfsr(uint16_t); |
174 | static int udl_set_resolution(struct udl_softc *, |
175 | const struct videomode *); |
176 | static const struct videomode *udl_videomode_lookup(const char *); |
177 | static void udl_update_thread(void *); |
178 | static inline void udl_startstop(struct udl_softc *, bool); |
179 | |
180 | static inline void |
181 | udl_cmd_add_1(struct udl_softc *sc, uint8_t val) |
182 | { |
183 | |
184 | *sc->sc_cmd_buf++ = val; |
185 | } |
186 | |
187 | static inline void |
188 | udl_cmd_add_2(struct udl_softc *sc, uint16_t val) |
189 | { |
190 | |
191 | be16enc(sc->sc_cmd_buf, val); |
192 | sc->sc_cmd_buf += 2; |
193 | } |
194 | |
195 | static inline void |
196 | udl_cmd_add_3(struct udl_softc *sc, uint32_t val) |
197 | { |
198 | |
199 | udl_cmd_add_2(sc, val >> 8); |
200 | udl_cmd_add_1(sc, val); |
201 | } |
202 | |
203 | static inline void |
204 | udl_cmd_add_4(struct udl_softc *sc, uint32_t val) |
205 | { |
206 | |
207 | be32enc(sc->sc_cmd_buf, val); |
208 | sc->sc_cmd_buf += 4; |
209 | } |
210 | |
211 | static inline void |
212 | udl_cmd_add_buf(struct udl_softc *sc, uint16_t *buf, int width) |
213 | { |
214 | #if BYTE_ORDER == BIG_ENDIAN |
215 | memcpy(sc->sc_cmd_buf, buf, width * 2); |
216 | sc->sc_cmd_buf += width * 2; |
217 | #else |
218 | uint16_t *endp; |
219 | |
220 | endp = buf + width; |
221 | |
222 | if (((uintptr_t)sc->sc_cmd_buf & 1) == 0) { |
223 | while (buf < endp) { |
224 | *(uint16_t *)sc->sc_cmd_buf = htobe16(*buf++); |
225 | sc->sc_cmd_buf += 2; |
226 | } |
227 | } else { |
228 | while (buf < endp) { |
229 | be16enc(sc->sc_cmd_buf, *buf++); |
230 | sc->sc_cmd_buf += 2; |
231 | } |
232 | } |
233 | #endif |
234 | } |
235 | |
236 | static inline void |
237 | udl_reg_write_1(struct udl_softc *sc, uint8_t reg, uint8_t val) |
238 | { |
239 | |
240 | udl_cmd_add_4(sc, (UDL_BULK_SOC << 24) | |
241 | (UDL_BULK_CMD_REG_WRITE_1 << 16) | (reg << 8) | val); |
242 | } |
243 | |
244 | static inline void |
245 | udl_reg_write_2(struct udl_softc *sc, uint8_t reg, uint16_t val) |
246 | { |
247 | |
248 | udl_reg_write_1(sc, reg++, val >> 8); |
249 | udl_reg_write_1(sc, reg, val); |
250 | } |
251 | |
252 | static inline void |
253 | udl_reg_write_3(struct udl_softc *sc, uint8_t reg, uint32_t val) |
254 | { |
255 | |
256 | udl_reg_write_1(sc, reg++, val >> 16); |
257 | udl_reg_write_1(sc, reg++, val >> 8); |
258 | udl_reg_write_1(sc, reg, val); |
259 | } |
260 | |
261 | /* XXX */ |
262 | static int |
263 | firmware_load(const char *dname, const char *iname, uint8_t **ucodep, |
264 | size_t *sizep) |
265 | { |
266 | firmware_handle_t fh; |
267 | int error; |
268 | |
269 | if ((error = firmware_open(dname, iname, &fh)) != 0) |
270 | return error; |
271 | *sizep = firmware_get_size(fh); |
272 | if ((*ucodep = firmware_malloc(*sizep)) == NULL) { |
273 | firmware_close(fh); |
274 | return ENOMEM; |
275 | } |
276 | if ((error = firmware_read(fh, 0, *ucodep, *sizep)) != 0) |
277 | firmware_free(*ucodep, *sizep); |
278 | firmware_close(fh); |
279 | |
280 | return error; |
281 | } |
282 | |
283 | /* |
284 | * Driver glue. |
285 | */ |
286 | CFATTACH_DECL_NEW(udl, sizeof(struct udl_softc), |
287 | udl_match, udl_attach, udl_detach, NULL); |
288 | |
289 | /* |
290 | * wsdisplay glue. |
291 | */ |
292 | static struct wsdisplay_accessops udl_accessops = { |
293 | udl_ioctl, |
294 | udl_mmap, |
295 | udl_alloc_screen, |
296 | udl_free_screen, |
297 | udl_show_screen, |
298 | NULL, |
299 | NULL, |
300 | NULL, |
301 | }; |
302 | |
303 | /* |
304 | * Matching devices. |
305 | */ |
306 | static const struct usb_devno udl_devs[] = { |
307 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_GUC2020 }, |
308 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LD220 }, |
309 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LD190 }, |
310 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_U70 }, |
311 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_POLARIS2 }, |
312 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_VCUD60 }, |
313 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_CONV }, |
314 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_DLDVI }, |
315 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_USBRGB }, |
316 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LCDUSB7X }, |
317 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LCDUSB10X }, |
318 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_VGA10 }, |
319 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_WSDVI }, |
320 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_EC008 }, |
321 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_GXDVIU2 }, |
322 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_GXDVIU2B }, |
323 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LCD4300U }, |
324 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LCD8000U }, |
325 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_HPDOCK }, |
326 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_NL571 }, |
327 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_M01061 }, |
328 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_NBDOCK }, |
329 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_SWDVI }, |
330 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LUM70 }, |
331 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LCD8000UD_DVI }, |
332 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LDEWX015U }, |
333 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_MIMO }, |
334 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_PLUGABLE }, |
335 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LT1421WIDE }, |
336 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_SD_U2VDH }, |
337 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_UM7X0 }, |
338 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_FYDVI }, |
339 | { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_FYDVI2 } |
340 | }; |
341 | |
342 | static int |
343 | udl_match(device_t parent, cfdata_t match, void *aux) |
344 | { |
345 | struct usb_attach_arg *uaa = aux; |
346 | |
347 | if (usb_lookup(udl_devs, uaa->uaa_vendor, uaa->uaa_product) != NULL) |
348 | return UMATCH_VENDOR_PRODUCT; |
349 | |
350 | return UMATCH_NONE; |
351 | } |
352 | |
353 | static void |
354 | udl_attach(device_t parent, device_t self, void *aux) |
355 | { |
356 | struct udl_softc *sc = device_private(self); |
357 | struct usb_attach_arg *uaa = aux; |
358 | struct wsemuldisplaydev_attach_args aa; |
359 | const struct videomode *vmp; |
360 | usbd_status error; |
361 | char *devinfop; |
362 | |
363 | aprint_naive("\n" ); |
364 | aprint_normal("\n" ); |
365 | |
366 | sc->sc_dev = self; |
367 | sc->sc_udev = uaa->uaa_device; |
368 | |
369 | devinfop = usbd_devinfo_alloc(sc->sc_udev, 0); |
370 | aprint_normal_dev(sc->sc_dev, "%s\n" , devinfop); |
371 | usbd_devinfo_free(devinfop); |
372 | |
373 | /* |
374 | * Set device configuration descriptor number. |
375 | */ |
376 | error = usbd_set_config_no(sc->sc_udev, 1, 0); |
377 | if (error != USBD_NORMAL_COMPLETION) { |
378 | aprint_error_dev(self, "failed to set configuration" |
379 | ", err=%s\n" , usbd_errstr(error)); |
380 | return; |
381 | } |
382 | |
383 | /* |
384 | * Create device handle to interface descriptor. |
385 | */ |
386 | error = usbd_device2interface_handle(sc->sc_udev, 0, &sc->sc_iface); |
387 | if (error != USBD_NORMAL_COMPLETION) |
388 | return; |
389 | |
390 | /* |
391 | * Open bulk TX pipe. |
392 | */ |
393 | error = usbd_open_pipe(sc->sc_iface, 1, USBD_EXCLUSIVE_USE, |
394 | &sc->sc_tx_pipeh); |
395 | if (error != USBD_NORMAL_COMPLETION) |
396 | return; |
397 | |
398 | /* |
399 | * Allocate bulk command queue. |
400 | */ |
401 | #ifdef UDL_EVENT_COUNTERS |
402 | evcnt_attach_dynamic(&sc->sc_ev_cmdq_get, EVCNT_TYPE_MISC, NULL, |
403 | device_xname(sc->sc_dev), "udl_cmdq_get" ); |
404 | evcnt_attach_dynamic(&sc->sc_ev_cmdq_put, EVCNT_TYPE_MISC, NULL, |
405 | device_xname(sc->sc_dev), "udl_cmdq_put" ); |
406 | evcnt_attach_dynamic(&sc->sc_ev_cmdq_wait, EVCNT_TYPE_MISC, NULL, |
407 | device_xname(sc->sc_dev), "udl_cmdq_wait" ); |
408 | evcnt_attach_dynamic(&sc->sc_ev_cmdq_timeout, EVCNT_TYPE_MISC, NULL, |
409 | device_xname(sc->sc_dev), "udl_cmdq_timeout" ); |
410 | #endif |
411 | |
412 | if (udl_cmdq_alloc(sc) != 0) |
413 | return; |
414 | |
415 | cv_init(&sc->sc_cv, device_xname(sc->sc_dev)); |
416 | mutex_init(&sc->sc_mtx, MUTEX_DEFAULT, IPL_TTY); /* XXX for tty_lock */ |
417 | |
418 | if ((sc->sc_cmd_cur = udl_cmdq_get(sc)) == NULL) |
419 | return; |
420 | UDL_CMD_BUFINIT(sc); |
421 | |
422 | /* |
423 | * Initialize chip. |
424 | */ |
425 | if (udl_init(sc) != 0) |
426 | return; |
427 | |
428 | udl_read_edid(sc); |
429 | |
430 | /* |
431 | * Initialize resolution. |
432 | */ |
433 | #ifndef UDL_VIDEOMODE |
434 | if (sc->sc_ei.edid_nmodes != 0 && |
435 | sc->sc_ei.edid_preferred_mode != NULL) |
436 | vmp = sc->sc_ei.edid_preferred_mode; |
437 | else |
438 | #define UDL_VIDEOMODE "640x480x60" |
439 | #endif |
440 | vmp = udl_videomode_lookup(UDL_VIDEOMODE); |
441 | |
442 | if (vmp == NULL) |
443 | return; |
444 | |
445 | sc->sc_width = vmp->hdisplay; |
446 | sc->sc_height = vmp->vdisplay; |
447 | sc->sc_offscreen = sc->sc_height * 3 / 2; |
448 | sc->sc_depth = 16; |
449 | |
450 | if (udl_set_resolution(sc, vmp) != 0) |
451 | return; |
452 | |
453 | sc->sc_defaultscreen.name = "default" ; |
454 | sc->sc_screens[0] = &sc->sc_defaultscreen; |
455 | sc->sc_screenlist.nscreens = 1; |
456 | sc->sc_screenlist.screens = sc->sc_screens; |
457 | |
458 | /* |
459 | * Set initial wsdisplay emulation mode. |
460 | */ |
461 | sc->sc_mode = WSDISPLAYIO_MODE_EMUL; |
462 | |
463 | /* |
464 | * Attach wsdisplay. |
465 | */ |
466 | aa.console = 0; |
467 | aa.scrdata = &sc->sc_screenlist; |
468 | aa.accessops = &udl_accessops; |
469 | aa.accesscookie = sc; |
470 | |
471 | sc->sc_wsdisplay = |
472 | config_found(sc->sc_dev, &aa, wsemuldisplaydevprint); |
473 | |
474 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); |
475 | |
476 | mutex_init(&sc->sc_thread_mtx, MUTEX_DEFAULT, IPL_NONE); |
477 | cv_init(&sc->sc_thread_cv, "udlcv" ); |
478 | sc->sc_dying = false; |
479 | sc->sc_thread_stop = true; |
480 | kthread_create(PRI_BIO, KTHREAD_MPSAFE | KTHREAD_MUSTJOIN, NULL, |
481 | udl_update_thread, sc, &sc->sc_thread, "udlupd" ); |
482 | } |
483 | |
484 | static int |
485 | udl_detach(device_t self, int flags) |
486 | { |
487 | struct udl_softc *sc = device_private(self); |
488 | |
489 | /* |
490 | * Close bulk TX pipe. |
491 | */ |
492 | if (sc->sc_tx_pipeh != NULL) { |
493 | usbd_abort_pipe(sc->sc_tx_pipeh); |
494 | } |
495 | |
496 | /* |
497 | * Free command xfer buffers. |
498 | */ |
499 | udl_cmdq_flush(sc); |
500 | udl_cmdq_free(sc); |
501 | |
502 | if (sc->sc_tx_pipeh != NULL) { |
503 | usbd_close_pipe(sc->sc_tx_pipeh); |
504 | } |
505 | |
506 | /* |
507 | * Free Huffman table. |
508 | */ |
509 | udl_comp_unload(sc); |
510 | |
511 | /* |
512 | * Free framebuffer memory. |
513 | */ |
514 | udl_fbmem_free(sc); |
515 | |
516 | mutex_enter(&sc->sc_thread_mtx); |
517 | sc->sc_dying = true; |
518 | cv_broadcast(&sc->sc_thread_cv); |
519 | mutex_exit(&sc->sc_thread_mtx); |
520 | kthread_join(sc->sc_thread); |
521 | |
522 | cv_destroy(&sc->sc_cv); |
523 | mutex_destroy(&sc->sc_mtx); |
524 | cv_destroy(&sc->sc_thread_cv); |
525 | mutex_destroy(&sc->sc_thread_mtx); |
526 | |
527 | /* |
528 | * Detach wsdisplay. |
529 | */ |
530 | if (sc->sc_wsdisplay != NULL) |
531 | config_detach(sc->sc_wsdisplay, DETACH_FORCE); |
532 | |
533 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); |
534 | |
535 | #ifdef UDL_EVENT_COUNTERS |
536 | evcnt_detach(&sc->sc_ev_cmdq_get); |
537 | evcnt_detach(&sc->sc_ev_cmdq_put); |
538 | evcnt_detach(&sc->sc_ev_cmdq_wait); |
539 | evcnt_detach(&sc->sc_ev_cmdq_timeout); |
540 | #endif |
541 | |
542 | return 0; |
543 | } |
544 | |
545 | static int |
546 | udl_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l) |
547 | { |
548 | struct udl_softc *sc = v; |
549 | #ifdef notyet |
550 | struct udl_ioctl_damage *d; |
551 | #endif |
552 | struct wsdisplay_fbinfo *wdf; |
553 | u_int mode; |
554 | |
555 | switch (cmd) { |
556 | case WSDISPLAYIO_GTYPE: |
557 | *(u_int *)data = WSDISPLAY_TYPE_DL; |
558 | return 0; |
559 | |
560 | case WSDISPLAYIO_GINFO: |
561 | wdf = (struct wsdisplay_fbinfo *)data; |
562 | wdf->height = sc->sc_height; |
563 | wdf->width = sc->sc_width; |
564 | wdf->depth = sc->sc_depth; |
565 | wdf->cmsize = 0; |
566 | return 0; |
567 | |
568 | case WSDISPLAYIO_GVIDEO: |
569 | *(u_int *)data = sc->sc_blank; |
570 | return 0; |
571 | |
572 | case WSDISPLAYIO_SVIDEO: |
573 | mode = *(u_int *)data; |
574 | if (mode == sc->sc_blank) |
575 | return 0; |
576 | switch (mode) { |
577 | case WSDISPLAYIO_VIDEO_OFF: |
578 | udl_startstop(sc, true); |
579 | udl_blank(sc, 1); |
580 | break; |
581 | case WSDISPLAYIO_VIDEO_ON: |
582 | udl_blank(sc, 0); |
583 | break; |
584 | default: |
585 | return EINVAL; |
586 | } |
587 | if (UDL_CMD_BUFSIZE(sc) > 0) |
588 | udl_cmd_send_async(sc); |
589 | udl_cmdq_flush(sc); |
590 | sc->sc_blank = mode; |
591 | return 0; |
592 | |
593 | case WSDISPLAYIO_SMODE: |
594 | mode = *(u_int *)data; |
595 | if (mode == sc->sc_mode) |
596 | return 0; |
597 | switch (mode) { |
598 | case WSDISPLAYIO_MODE_EMUL: |
599 | udl_startstop(sc, true); |
600 | /* clear screen */ |
601 | udl_fill_rect(sc, 0, 0, 0, sc->sc_width, |
602 | sc->sc_height); |
603 | if (UDL_CMD_BUFSIZE(sc) > 0) |
604 | udl_cmd_send_async(sc); |
605 | udl_cmdq_flush(sc); |
606 | udl_comp_unload(sc); |
607 | break; |
608 | case WSDISPLAYIO_MODE_DUMBFB: |
609 | if (UDL_CMD_BUFSIZE(sc) > 0) |
610 | udl_cmd_send_async(sc); |
611 | udl_cmdq_flush(sc); |
612 | udl_comp_load(sc); |
613 | udl_startstop(sc, false); |
614 | break; |
615 | default: |
616 | return EINVAL; |
617 | } |
618 | sc->sc_mode = mode; |
619 | return 0; |
620 | |
621 | case WSDISPLAYIO_LINEBYTES: |
622 | *(u_int *)data = sc->sc_width * (sc->sc_depth / 8); |
623 | return 0; |
624 | |
625 | #ifdef notyet |
626 | /* |
627 | * XXX |
628 | * OpenBSD allows device specific ioctl()s and use this |
629 | * UDLIO_DAMAGE for the damage extension ops of X servers. |
630 | * Before blindly pulling such interfaces, probably we should |
631 | * discuss how such devices should be handled which have |
632 | * in-direct framebuffer memories that should be transfered |
633 | * per updated rectangle regions via MI wscons APIs. |
634 | */ |
635 | case UDLIO_DAMAGE: |
636 | d = (struct udl_ioctl_damage *)data; |
637 | d->status = UDLIO_STATUS_OK; |
638 | if (sc->sc_flags & UDL_COMPRDY) |
639 | udl_draw_rect_comp(sc, d); |
640 | else |
641 | udl_draw_rect(sc, d); |
642 | return 0; |
643 | #endif |
644 | } |
645 | |
646 | return EPASSTHROUGH; |
647 | } |
648 | |
649 | static paddr_t |
650 | udl_mmap(void *v, void *vs, off_t off, int prot) |
651 | { |
652 | struct udl_softc *sc = v; |
653 | vaddr_t vaddr; |
654 | paddr_t paddr; |
655 | bool rv __diagused; |
656 | |
657 | if (off < 0 || off > roundup2(UDL_FBMEM_SIZE(sc), PAGE_SIZE)) |
658 | return -1; |
659 | |
660 | /* allocate framebuffer memory */ |
661 | if (udl_fbmem_alloc(sc) != 0) |
662 | return -1; |
663 | |
664 | udl_startstop(sc, false); |
665 | |
666 | vaddr = (vaddr_t)sc->sc_fbmem + off; |
667 | rv = pmap_extract(pmap_kernel(), vaddr, &paddr); |
668 | KASSERT(rv); |
669 | paddr += vaddr & PGOFSET; |
670 | |
671 | /* XXX we need MI paddr_t -> mmap cookie API */ |
672 | #if defined(__alpha__) |
673 | #define PTOMMAP(paddr) alpha_btop((char *)paddr) |
674 | #elif defined(__arm__) |
675 | #define PTOMMAP(paddr) arm_btop((u_long)paddr) |
676 | #elif defined(__hppa__) |
677 | #define PTOMMAP(paddr) btop((u_long)paddr) |
678 | #elif defined(__i386__) || defined(__x86_64__) |
679 | #define PTOMMAP(paddr) x86_btop(paddr) |
680 | #elif defined(__m68k__) |
681 | #define PTOMMAP(paddr) m68k_btop((char *)paddr) |
682 | #elif defined(__mips__) |
683 | #define PTOMMAP(paddr) mips_btop(paddr) |
684 | #elif defined(__powerpc__) |
685 | #define PTOMMAP(paddr) (paddr) |
686 | #elif defined(__sh__) |
687 | #define PTOMMAP(paddr) sh3_btop(paddr) |
688 | #elif defined(__sparc__) |
689 | #define PTOMMAP(paddr) (paddr) |
690 | #elif defined(__sparc64__) |
691 | #define PTOMMAP(paddr) atop(paddr) |
692 | #elif defined(__vax__) |
693 | #define PTOMMAP(paddr) btop((u_int)paddr) |
694 | #endif |
695 | |
696 | return PTOMMAP(paddr); |
697 | } |
698 | |
699 | static int |
700 | udl_alloc_screen(void *v, const struct wsscreen_descr *type, |
701 | void **cookiep, int *curxp, int *curyp, long *attrp) |
702 | { |
703 | struct udl_softc *sc = v; |
704 | |
705 | if (sc->sc_nscreens > 0) |
706 | return ENOMEM; |
707 | |
708 | /* |
709 | * Initialize rasops. |
710 | */ |
711 | sc->sc_ri.ri_depth = sc->sc_depth; |
712 | sc->sc_ri.ri_bits = NULL; |
713 | sc->sc_ri.ri_width = sc->sc_width; |
714 | sc->sc_ri.ri_height = sc->sc_height; |
715 | sc->sc_ri.ri_stride = sc->sc_width * (sc->sc_depth / 8); |
716 | sc->sc_ri.ri_hw = sc; |
717 | sc->sc_ri.ri_flg = 0; |
718 | |
719 | if (sc->sc_depth == 16) { |
720 | sc->sc_ri.ri_rnum = 5; |
721 | sc->sc_ri.ri_gnum = 6; |
722 | sc->sc_ri.ri_bnum = 5; |
723 | sc->sc_ri.ri_rpos = 11; |
724 | sc->sc_ri.ri_gpos = 5; |
725 | sc->sc_ri.ri_bpos = 0; |
726 | } |
727 | |
728 | rasops_init(&sc->sc_ri, sc->sc_height / 8, sc->sc_width / 8); |
729 | |
730 | sc->sc_ri.ri_ops.cursor = udl_cursor; |
731 | sc->sc_ri.ri_ops.putchar = udl_putchar; |
732 | sc->sc_ri.ri_ops.copycols = udl_copycols; |
733 | sc->sc_ri.ri_ops.erasecols = udl_erasecols; |
734 | sc->sc_ri.ri_ops.copyrows = udl_copyrows; |
735 | sc->sc_ri.ri_ops.eraserows = udl_eraserows; |
736 | |
737 | sc->sc_ri.ri_ops.allocattr(&sc->sc_ri, 0, 0, 0, attrp); |
738 | |
739 | sc->sc_defaultscreen.ncols = sc->sc_ri.ri_cols; |
740 | sc->sc_defaultscreen.nrows = sc->sc_ri.ri_rows; |
741 | sc->sc_defaultscreen.textops = &sc->sc_ri.ri_ops; |
742 | sc->sc_defaultscreen.fontwidth = sc->sc_ri.ri_font->fontwidth; |
743 | sc->sc_defaultscreen.fontheight = sc->sc_ri.ri_font->fontheight; |
744 | sc->sc_defaultscreen.capabilities = sc->sc_ri.ri_caps; |
745 | |
746 | *cookiep = &sc->sc_ri; |
747 | *curxp = 0; |
748 | *curyp = 0; |
749 | |
750 | sc->sc_nscreens++; |
751 | |
752 | return 0; |
753 | } |
754 | |
755 | static void |
756 | udl_free_screen(void *v, void *cookie) |
757 | { |
758 | struct udl_softc *sc = v; |
759 | |
760 | sc->sc_nscreens--; |
761 | } |
762 | |
763 | static int |
764 | udl_show_screen(void *v, void *cookie, int waitok, |
765 | void (*cb)(void *, int, int), void *cbarg) |
766 | { |
767 | |
768 | return 0; |
769 | } |
770 | |
771 | static inline void |
772 | udl_cmd_add_decomptable(struct udl_softc *sc, uint8_t *buf, int len) |
773 | { |
774 | |
775 | udl_cmd_add_2(sc, (UDL_BULK_SOC << 8) | UDL_BULK_CMD_DECOMP); |
776 | udl_cmd_add_4(sc, 0x263871cd); /* magic number */ |
777 | udl_cmd_add_4(sc, 0x00000200); /* 512 byte chunks */ |
778 | memcpy(sc->sc_cmd_buf, buf, len); |
779 | sc->sc_cmd_buf += len; |
780 | } |
781 | |
782 | static void |
783 | udl_comp_load(struct udl_softc *sc) |
784 | { |
785 | struct udl_huffman *h; |
786 | uint8_t *decomp; |
787 | size_t decomp_size; |
788 | int error, i; |
789 | |
790 | if (!(sc->sc_flags & UDL_DECOMPRDY)) { |
791 | error = firmware_load("udl" , "udl-decomp" , &decomp, |
792 | &decomp_size); |
793 | if (error != 0) { |
794 | aprint_error_dev(sc->sc_dev, |
795 | "error %d, could not read decomp table %s!\n" , |
796 | error, "udl-decomp" ); |
797 | return; |
798 | } |
799 | udl_cmd_add_decomptable(sc, decomp, decomp_size); |
800 | firmware_free(decomp, decomp_size); |
801 | if (udl_cmd_send(sc) != 0) |
802 | return; |
803 | sc->sc_flags |= UDL_DECOMPRDY; |
804 | } |
805 | |
806 | if (!(sc->sc_flags & UDL_COMPRDY)) { |
807 | error = firmware_load("udl" , "udl-comp" , &sc->sc_huffman, |
808 | &sc->sc_huffman_size); |
809 | if (error != 0) { |
810 | aprint_error_dev(sc->sc_dev, |
811 | "error %d, could not read huffman table %s!\n" , |
812 | error, "udl-comp" ); |
813 | return; |
814 | } |
815 | h = (struct udl_huffman *)sc->sc_huffman; |
816 | for (i = 0; i < UDL_HUFFMAN_RECORDS; i++) |
817 | h[i].bit_pattern = be32toh(h[i].bit_pattern); |
818 | sc->sc_huffman_base = sc->sc_huffman + UDL_HUFFMAN_BASE; |
819 | sc->sc_flags |= UDL_COMPRDY; |
820 | } |
821 | } |
822 | |
823 | static void |
824 | udl_comp_unload(struct udl_softc *sc) |
825 | { |
826 | |
827 | if (sc->sc_flags & UDL_COMPRDY) { |
828 | firmware_free(sc->sc_huffman, sc->sc_huffman_size); |
829 | sc->sc_huffman = NULL; |
830 | sc->sc_huffman_size = 0; |
831 | sc->sc_flags &= ~UDL_COMPRDY; |
832 | } |
833 | } |
834 | |
835 | static int |
836 | udl_fbmem_alloc(struct udl_softc *sc) |
837 | { |
838 | |
839 | mutex_enter(&sc->sc_thread_mtx); |
840 | if (sc->sc_fbmem == NULL) { |
841 | sc->sc_fbmem = kmem_zalloc(UDL_FBMEM_SIZE(sc), KM_SLEEP); |
842 | if (sc->sc_fbmem == NULL) { |
843 | mutex_exit(&sc->sc_thread_mtx); |
844 | return -1; |
845 | } |
846 | } |
847 | if (sc->sc_fbmem_prev == NULL) { |
848 | sc->sc_fbmem_prev = kmem_zalloc(UDL_FBMEM_SIZE(sc), KM_SLEEP); |
849 | if (sc->sc_fbmem_prev == NULL) { |
850 | kmem_free(sc->sc_fbmem, UDL_FBMEM_SIZE(sc)); |
851 | sc->sc_fbmem = NULL; |
852 | mutex_exit(&sc->sc_thread_mtx); |
853 | return -1; |
854 | } |
855 | } |
856 | mutex_exit(&sc->sc_thread_mtx); |
857 | |
858 | return 0; |
859 | } |
860 | |
861 | static void |
862 | udl_fbmem_free(struct udl_softc *sc) |
863 | { |
864 | |
865 | mutex_enter(&sc->sc_thread_mtx); |
866 | if (sc->sc_fbmem != NULL) { |
867 | kmem_free(sc->sc_fbmem, UDL_FBMEM_SIZE(sc)); |
868 | sc->sc_fbmem = NULL; |
869 | } |
870 | if (sc->sc_fbmem_prev != NULL) { |
871 | kmem_free(sc->sc_fbmem_prev, UDL_FBMEM_SIZE(sc)); |
872 | sc->sc_fbmem_prev = NULL; |
873 | } |
874 | mutex_exit(&sc->sc_thread_mtx); |
875 | } |
876 | |
877 | static int |
878 | udl_cmdq_alloc(struct udl_softc *sc) |
879 | { |
880 | struct udl_cmdq *cmdq; |
881 | int i; |
882 | |
883 | TAILQ_INIT(&sc->sc_freecmd); |
884 | TAILQ_INIT(&sc->sc_xfercmd); |
885 | |
886 | for (i = 0; i < UDL_NCMDQ; i++) { |
887 | cmdq = &sc->sc_cmdq[i]; |
888 | |
889 | cmdq->cq_sc = sc; |
890 | |
891 | int err = usbd_create_xfer(sc->sc_tx_pipeh, |
892 | UDL_CMD_BUFFER_SIZE, 0, 0, &cmdq->cq_xfer); |
893 | if (err) { |
894 | aprint_error_dev(sc->sc_dev, |
895 | "%s: can't allocate xfer handle!\n" , __func__); |
896 | goto error; |
897 | } |
898 | |
899 | cmdq->cq_buf = usbd_get_buffer(cmdq->cq_xfer); |
900 | |
901 | TAILQ_INSERT_TAIL(&sc->sc_freecmd, cmdq, cq_chain); |
902 | } |
903 | |
904 | return 0; |
905 | |
906 | error: |
907 | udl_cmdq_free(sc); |
908 | return -1; |
909 | } |
910 | |
911 | static void |
912 | udl_cmdq_free(struct udl_softc *sc) |
913 | { |
914 | struct udl_cmdq *cmdq; |
915 | int i; |
916 | |
917 | for (i = 0; i < UDL_NCMDQ; i++) { |
918 | cmdq = &sc->sc_cmdq[i]; |
919 | |
920 | if (cmdq->cq_xfer != NULL) { |
921 | usbd_destroy_xfer(cmdq->cq_xfer); |
922 | cmdq->cq_xfer = NULL; |
923 | cmdq->cq_buf = NULL; |
924 | } |
925 | } |
926 | } |
927 | |
928 | static struct udl_cmdq * |
929 | udl_cmdq_get(struct udl_softc *sc) |
930 | { |
931 | struct udl_cmdq *cmdq; |
932 | |
933 | cmdq = TAILQ_FIRST(&sc->sc_freecmd); |
934 | if (cmdq != NULL) { |
935 | TAILQ_REMOVE(&sc->sc_freecmd, cmdq, cq_chain); |
936 | UDL_EVCNT_INCR(&sc->sc_ev_cmdq_get); |
937 | } |
938 | |
939 | return cmdq; |
940 | } |
941 | |
942 | static void |
943 | udl_cmdq_put(struct udl_softc *sc, struct udl_cmdq *cmdq) |
944 | { |
945 | |
946 | TAILQ_INSERT_TAIL(&sc->sc_freecmd, cmdq, cq_chain); |
947 | UDL_EVCNT_INCR(&sc->sc_ev_cmdq_put); |
948 | } |
949 | |
950 | static void |
951 | udl_cmdq_flush(struct udl_softc *sc) |
952 | { |
953 | |
954 | mutex_enter(&sc->sc_mtx); |
955 | while (TAILQ_FIRST(&sc->sc_xfercmd) != NULL) |
956 | cv_wait(&sc->sc_cv, &sc->sc_mtx); |
957 | mutex_exit(&sc->sc_mtx); |
958 | } |
959 | |
960 | static void |
961 | udl_cursor(void *cookie, int on, int row, int col) |
962 | { |
963 | struct rasops_info *ri = cookie; |
964 | struct udl_softc *sc = ri->ri_hw; |
965 | int x, y, width, height; |
966 | |
967 | if (ri->ri_flg & RI_CURSOR) |
968 | udl_restore_char(ri); |
969 | |
970 | ri->ri_crow = row; |
971 | ri->ri_ccol = col; |
972 | |
973 | if (on != 0) { |
974 | ri->ri_flg |= RI_CURSOR; |
975 | |
976 | x = col * ri->ri_font->fontwidth; |
977 | y = row * ri->ri_font->fontheight; |
978 | width = ri->ri_font->fontwidth; |
979 | height = ri->ri_font->fontheight; |
980 | |
981 | /* save the last character block to off-screen */ |
982 | udl_copy_rect(sc, x, y, 0, sc->sc_offscreen, width, height); |
983 | |
984 | /* draw cursor */ |
985 | udl_fill_rect(sc, 0xffff, x, y, width, 1); |
986 | udl_fill_rect(sc, 0xffff, x, y + 1, 1, height - 2); |
987 | udl_fill_rect(sc, 0xffff, x + width - 1, y + 1, 1, height - 2); |
988 | udl_fill_rect(sc, 0xffff, x, y + height - 1, width, 1); |
989 | |
990 | udl_cmd_send_async(sc); |
991 | } else |
992 | ri->ri_flg &= ~RI_CURSOR; |
993 | } |
994 | |
995 | static void |
996 | udl_putchar(void *cookie, int row, int col, u_int uc, long attr) |
997 | { |
998 | struct rasops_info *ri = cookie; |
999 | struct udl_softc *sc = ri->ri_hw; |
1000 | uint16_t rgb16[2]; |
1001 | int fg, bg, underline, x, y, width, height; |
1002 | |
1003 | rasops_unpack_attr(attr, &fg, &bg, &underline); |
1004 | rgb16[1] = (uint16_t)ri->ri_devcmap[fg]; |
1005 | rgb16[0] = (uint16_t)ri->ri_devcmap[bg]; |
1006 | |
1007 | x = col * ri->ri_font->fontwidth; |
1008 | y = row * ri->ri_font->fontheight; |
1009 | width = ri->ri_font->fontwidth; |
1010 | height = ri->ri_font->fontheight; |
1011 | |
1012 | if (uc == ' ') { |
1013 | /* |
1014 | * Writting a block for the space character instead rendering |
1015 | * it from font bits is more slim. |
1016 | */ |
1017 | udl_fill_rect(sc, rgb16[0], x, y, width, height); |
1018 | } else { |
1019 | /* render a character from font bits */ |
1020 | udl_draw_char(ri, rgb16, uc, x, y); |
1021 | } |
1022 | |
1023 | if (underline != 0) |
1024 | udl_fill_rect(sc, rgb16[1], x, y + height - 1, width, 1); |
1025 | |
1026 | #if 0 |
1027 | udl_cmd_send_async(sc); |
1028 | #endif |
1029 | } |
1030 | |
1031 | static void |
1032 | udl_copycols(void *cookie, int row, int src, int dst, int num) |
1033 | { |
1034 | struct rasops_info *ri = cookie; |
1035 | struct udl_softc *sc = ri->ri_hw; |
1036 | int sx, dx, y, width, height; |
1037 | |
1038 | sx = src * ri->ri_font->fontwidth; |
1039 | dx = dst * ri->ri_font->fontwidth; |
1040 | y = row * ri->ri_font->fontheight; |
1041 | width = num * ri->ri_font->fontwidth; |
1042 | height = ri->ri_font->fontheight; |
1043 | |
1044 | /* copy row block to off-screen first to fix overlay-copy problem */ |
1045 | udl_copy_rect(sc, sx, y, 0, sc->sc_offscreen, width, height); |
1046 | |
1047 | /* copy row block back from off-screen now */ |
1048 | udl_copy_rect(sc, 0, sc->sc_offscreen, dx, y, width, height); |
1049 | #if 0 |
1050 | udl_cmd_send_async(sc); |
1051 | #endif |
1052 | } |
1053 | |
1054 | static void |
1055 | udl_erasecols(void *cookie, int row, int col, int num, long attr) |
1056 | { |
1057 | struct rasops_info *ri = cookie; |
1058 | struct udl_softc *sc = ri->ri_hw; |
1059 | uint16_t rgb16; |
1060 | int fg, bg, x, y, width, height; |
1061 | |
1062 | rasops_unpack_attr(attr, &fg, &bg, NULL); |
1063 | rgb16 = (uint16_t)ri->ri_devcmap[bg]; |
1064 | |
1065 | x = col * ri->ri_font->fontwidth; |
1066 | y = row * ri->ri_font->fontheight; |
1067 | width = num * ri->ri_font->fontwidth; |
1068 | height = ri->ri_font->fontheight; |
1069 | |
1070 | udl_fill_rect(sc, rgb16, x, y, width, height); |
1071 | #if 0 |
1072 | udl_cmd_send_async(sc); |
1073 | #endif |
1074 | } |
1075 | |
1076 | static void |
1077 | udl_copyrows(void *cookie, int src, int dst, int num) |
1078 | { |
1079 | struct rasops_info *ri = cookie; |
1080 | struct udl_softc *sc = ri->ri_hw; |
1081 | int sy, ey, dy, width, height; |
1082 | |
1083 | width = ri->ri_emuwidth; |
1084 | height = ri->ri_font->fontheight; |
1085 | |
1086 | if (dst < src) { |
1087 | sy = src * height; |
1088 | ey = (src + num) * height; |
1089 | dy = dst * height; |
1090 | |
1091 | while (sy < ey) { |
1092 | udl_copy_rect(sc, 0, sy, 0, dy, width, height); |
1093 | sy += height; |
1094 | dy += height; |
1095 | } |
1096 | } else { |
1097 | sy = (src + num) * height; |
1098 | ey = src * height; |
1099 | dy = (dst + num) * height; |
1100 | |
1101 | while (sy > ey) { |
1102 | sy -= height; |
1103 | dy -= height; |
1104 | udl_copy_rect(sc, 0, sy, 0, dy, width, height); |
1105 | } |
1106 | } |
1107 | #if 0 |
1108 | udl_cmd_send_async(sc); |
1109 | #endif |
1110 | } |
1111 | |
1112 | static void |
1113 | udl_eraserows(void *cookie, int row, int num, long attr) |
1114 | { |
1115 | struct rasops_info *ri = cookie; |
1116 | struct udl_softc *sc = ri->ri_hw; |
1117 | uint16_t rgb16; |
1118 | int fg, bg, y, width, height; |
1119 | |
1120 | rasops_unpack_attr(attr, &fg, &bg, NULL); |
1121 | rgb16 = (uint16_t)ri->ri_devcmap[bg]; |
1122 | |
1123 | y = row * ri->ri_font->fontheight; |
1124 | width = ri->ri_emuwidth; |
1125 | height = num * ri->ri_font->fontheight; |
1126 | |
1127 | udl_fill_rect(sc, rgb16, 0, y, width, height); |
1128 | #if 0 |
1129 | udl_cmd_send_async(sc); |
1130 | #endif |
1131 | } |
1132 | |
1133 | static void |
1134 | udl_restore_char(struct rasops_info *ri) |
1135 | { |
1136 | struct udl_softc *sc = ri->ri_hw; |
1137 | int x, y, width, height; |
1138 | |
1139 | x = ri->ri_ccol * ri->ri_font->fontwidth; |
1140 | y = ri->ri_crow * ri->ri_font->fontheight; |
1141 | width = ri->ri_font->fontwidth; |
1142 | height = ri->ri_font->fontheight; |
1143 | |
1144 | /* restore the last saved character from off-screen */ |
1145 | udl_copy_rect(sc, 0, sc->sc_offscreen, x, y, width, height); |
1146 | } |
1147 | |
1148 | static void |
1149 | udl_draw_char(struct rasops_info *ri, uint16_t *rgb16, u_int uc, int x, int y) |
1150 | { |
1151 | struct udl_softc *sc = ri->ri_hw; |
1152 | struct wsdisplay_font *font = ri->ri_font; |
1153 | uint32_t fontbits; |
1154 | uint16_t pixels[32]; |
1155 | uint8_t *fontbase; |
1156 | int i, soff, eoff; |
1157 | |
1158 | soff = y * sc->sc_width + x; |
1159 | eoff = (y + font->fontheight) * sc->sc_width + x; |
1160 | fontbase = (uint8_t *)font->data + (uc - font->firstchar) * |
1161 | ri->ri_fontscale; |
1162 | |
1163 | while (soff < eoff) { |
1164 | fontbits = 0; |
1165 | switch (font->stride) { |
1166 | case 4: |
1167 | fontbits |= fontbase[3]; |
1168 | /* FALLTHROUGH */ |
1169 | case 3: |
1170 | fontbits |= fontbase[2] << 8; |
1171 | /* FALLTHROUGH */ |
1172 | case 2: |
1173 | fontbits |= fontbase[1] << 16; |
1174 | /* FALLTHROUGH */ |
1175 | case 1: |
1176 | fontbits |= fontbase[0] << 24; |
1177 | } |
1178 | fontbase += font->stride; |
1179 | |
1180 | for (i = 0; i < font->fontwidth; i++) { |
1181 | pixels[i] = rgb16[(fontbits >> 31) & 1]; |
1182 | fontbits <<= 1; |
1183 | } |
1184 | |
1185 | udl_draw_line(sc, pixels, soff, font->fontwidth); |
1186 | soff += sc->sc_width; |
1187 | } |
1188 | } |
1189 | |
1190 | static void |
1191 | udl_copy_rect(struct udl_softc *sc, int sx, int sy, int dx, int dy, int width, |
1192 | int height) |
1193 | { |
1194 | int sbase, soff, ebase, eoff, dbase, doff, width_cur; |
1195 | |
1196 | sbase = sy * sc->sc_width; |
1197 | ebase = (sy + height) * sc->sc_width; |
1198 | dbase = dy * sc->sc_width; |
1199 | |
1200 | while (width > 0) { |
1201 | soff = sbase + sx; |
1202 | eoff = ebase + sx; |
1203 | doff = dbase + dx; |
1204 | |
1205 | if (width >= UDL_CMD_WIDTH_MAX) |
1206 | width_cur = UDL_CMD_WIDTH_MAX; |
1207 | else |
1208 | width_cur = width; |
1209 | |
1210 | while (soff < eoff) { |
1211 | udl_copy_line(sc, soff, doff, width_cur); |
1212 | soff += sc->sc_width; |
1213 | doff += sc->sc_width; |
1214 | } |
1215 | |
1216 | sx += width_cur; |
1217 | dx += width_cur; |
1218 | width -= width_cur; |
1219 | } |
1220 | } |
1221 | |
1222 | static void |
1223 | udl_fill_rect(struct udl_softc *sc, uint16_t rgb16, int x, int y, int width, |
1224 | int height) |
1225 | { |
1226 | int sbase, soff, ebase, eoff, width_cur; |
1227 | |
1228 | sbase = y * sc->sc_width; |
1229 | ebase = (y + height) * sc->sc_width; |
1230 | |
1231 | while (width > 0) { |
1232 | soff = sbase + x; |
1233 | eoff = ebase + x; |
1234 | |
1235 | if (width >= UDL_CMD_WIDTH_MAX) |
1236 | width_cur = UDL_CMD_WIDTH_MAX; |
1237 | else |
1238 | width_cur = width; |
1239 | |
1240 | while (soff < eoff) { |
1241 | udl_fill_line(sc, rgb16, soff, width_cur); |
1242 | soff += sc->sc_width; |
1243 | } |
1244 | |
1245 | x += width_cur; |
1246 | width -= width_cur; |
1247 | } |
1248 | } |
1249 | |
1250 | #ifdef notyet |
1251 | static void |
1252 | udl_draw_rect(struct udl_softc *sc, struct udl_ioctl_damage *d) |
1253 | { |
1254 | int sbase, soff, ebase, eoff, x, y, width, width_cur, height; |
1255 | |
1256 | x = d->x1; |
1257 | y = d->y1; |
1258 | width = d->x2 - d->x1; |
1259 | height = d->y2 - d->y1; |
1260 | sbase = y * sc->sc_width; |
1261 | ebase = (y + height) * sc->sc_width; |
1262 | |
1263 | while (width > 0) { |
1264 | soff = sbase + x; |
1265 | eoff = ebase + x; |
1266 | |
1267 | if (width >= UDL_CMD_WIDTH_MAX) |
1268 | width_cur = UDL_CMD_WIDTH_MAX; |
1269 | else |
1270 | width_cur = width; |
1271 | |
1272 | while (soff < eoff) { |
1273 | udl_draw_line(sc, (uint16_t *)sc->sc_fbmem + soff, |
1274 | soff, width_cur); |
1275 | soff += sc->sc_width; |
1276 | } |
1277 | |
1278 | x += width_cur; |
1279 | width -= width_cur; |
1280 | } |
1281 | |
1282 | udl_cmd_send_async(sc); |
1283 | } |
1284 | |
1285 | static void |
1286 | udl_draw_rect_comp(struct udl_softc *sc, struct udl_ioctl_damage *d) |
1287 | { |
1288 | int soff, eoff, x, y, width, height; |
1289 | |
1290 | x = d->x1; |
1291 | y = d->y1; |
1292 | width = d->x2 - d->x1; |
1293 | height = d->y2 - d->y1; |
1294 | soff = y * sc->sc_width + x; |
1295 | eoff = (y + height) * sc->sc_width + x; |
1296 | |
1297 | udl_reg_write_1(sc, UDL_REG_SYNC, 0xff); |
1298 | sc->sc_cmd_cblen = 4; |
1299 | |
1300 | while (soff < eoff) { |
1301 | udl_draw_line_comp(sc, (uint16_t *)sc->sc_fbmem + soff, soff, |
1302 | width); |
1303 | soff += sc->sc_width; |
1304 | } |
1305 | |
1306 | udl_cmd_send_async(sc); |
1307 | } |
1308 | #endif |
1309 | |
1310 | static inline void |
1311 | udl_copy_line(struct udl_softc *sc, int soff, int doff, int width) |
1312 | { |
1313 | |
1314 | if (__predict_false((UDL_CMD_BUFSIZE(sc) + UDL_CMD_COPY_SIZE + 2) > |
1315 | UDL_CMD_BUFFER_SIZE)) |
1316 | udl_cmd_send_async(sc); |
1317 | |
1318 | udl_cmd_add_2(sc, (UDL_BULK_SOC << 8) | UDL_BULK_CMD_FB_COPY16); |
1319 | udl_cmd_add_4(sc, ((doff * 2) << 8) | (width & 0xff)); |
1320 | |
1321 | udl_cmd_add_3(sc, soff * 2); |
1322 | } |
1323 | |
1324 | static inline void |
1325 | udl_fill_line(struct udl_softc *sc, uint16_t rgb16, int off, int width) |
1326 | { |
1327 | |
1328 | if (__predict_false((UDL_CMD_BUFSIZE(sc) + UDL_CMD_FILL_SIZE + 2) > |
1329 | UDL_CMD_BUFFER_SIZE)) |
1330 | udl_cmd_send_async(sc); |
1331 | |
1332 | udl_cmd_add_2(sc, (UDL_BULK_SOC << 8) | UDL_BULK_CMD_FB_RLE16); |
1333 | udl_cmd_add_4(sc, ((off * 2) << 8) | (width & 0xff)); |
1334 | |
1335 | udl_cmd_add_1(sc, width); |
1336 | udl_cmd_add_2(sc, rgb16); |
1337 | } |
1338 | |
1339 | static inline void |
1340 | udl_draw_line(struct udl_softc *sc, uint16_t *buf, int off, int width) |
1341 | { |
1342 | |
1343 | if (__predict_false( |
1344 | (UDL_CMD_BUFSIZE(sc) + UDL_CMD_DRAW_SIZE(width) + 2) > |
1345 | UDL_CMD_BUFFER_SIZE)) |
1346 | udl_cmd_send_async(sc); |
1347 | |
1348 | udl_cmd_add_2(sc, (UDL_BULK_SOC << 8) | UDL_BULK_CMD_FB_WRITE16); |
1349 | udl_cmd_add_4(sc, ((off * 2) << 8) | (width & 0xff)); |
1350 | |
1351 | udl_cmd_add_buf(sc, buf, width); |
1352 | } |
1353 | |
1354 | #ifdef notyet |
1355 | static inline int |
1356 | udl_cmd_add_buf_comp(struct udl_softc *sc, uint16_t *buf, int width) |
1357 | { |
1358 | struct udl_huffman *h; |
1359 | uint16_t *startp, *endp; |
1360 | uint32_t bit_pattern; |
1361 | uint16_t prev; |
1362 | int16_t diff; |
1363 | uint8_t bit_count, bit_pos, bit_rem, curlen; |
1364 | |
1365 | startp = buf; |
1366 | if (width >= UDL_CMD_WIDTH_MAX) |
1367 | endp = buf + UDL_CMD_WIDTH_MAX; |
1368 | else |
1369 | endp = buf + width; |
1370 | |
1371 | prev = bit_pos = *sc->sc_cmd_buf = 0; |
1372 | bit_rem = 8; |
1373 | |
1374 | /* |
1375 | * Generate a sub-block with maximal 256 pixels compressed data. |
1376 | */ |
1377 | while (buf < endp) { |
1378 | /* get difference between current and previous pixel */ |
1379 | diff = *buf - prev; |
1380 | |
1381 | /* get the huffman difference bit sequence */ |
1382 | h = (struct udl_huffman *)sc->sc_huffman_base + diff; |
1383 | bit_count = h->bit_count; |
1384 | bit_pattern = h->bit_pattern; |
1385 | |
1386 | curlen = (bit_pos + bit_count + 7) / 8; |
1387 | if (__predict_false((sc->sc_cmd_cblen + curlen + 1) > |
1388 | UDL_CMD_COMP_BLOCK_SIZE)) |
1389 | break; |
1390 | |
1391 | /* generate one pixel compressed data */ |
1392 | while (bit_count >= bit_rem) { |
1393 | *sc->sc_cmd_buf++ |= |
1394 | (bit_pattern & ((1 << bit_rem) - 1)) << bit_pos; |
1395 | *sc->sc_cmd_buf = 0; |
1396 | sc->sc_cmd_cblen++; |
1397 | bit_count -= bit_rem; |
1398 | bit_pattern >>= bit_rem; |
1399 | bit_pos = 0; |
1400 | bit_rem = 8; |
1401 | } |
1402 | |
1403 | if (bit_count > 0) { |
1404 | *sc->sc_cmd_buf |= |
1405 | (bit_pattern & ((1 << bit_count) - 1)) << bit_pos; |
1406 | bit_pos += bit_count; |
1407 | bit_rem -= bit_count; |
1408 | } |
1409 | |
1410 | prev = *buf++; |
1411 | } |
1412 | |
1413 | /* |
1414 | * If we have bits left in our last byte, round up to the next |
1415 | * byte, so we don't overwrite them. |
1416 | */ |
1417 | if (bit_pos > 0) { |
1418 | sc->sc_cmd_buf++; |
1419 | sc->sc_cmd_cblen++; |
1420 | } |
1421 | |
1422 | /* return how many pixels we have compressed */ |
1423 | return buf - startp; |
1424 | } |
1425 | |
1426 | static inline void |
1427 | udl_draw_line_comp(struct udl_softc *sc, uint16_t *buf, int off, int width) |
1428 | { |
1429 | uint8_t *widthp; |
1430 | int width_cur; |
1431 | |
1432 | while (width > 0) { |
1433 | if (__predict_false( |
1434 | (sc->sc_cmd_cblen + UDL_CMD_COMP_MIN_SIZE + 1) > |
1435 | UDL_CMD_COMP_BLOCK_SIZE)) { |
1436 | if (UDL_CMD_BUFSIZE(sc) < UDL_CMD_COMP_THRESHOLD) { |
1437 | while (sc->sc_cmd_cblen < |
1438 | UDL_CMD_COMP_BLOCK_SIZE) { |
1439 | *sc->sc_cmd_buf++ = 0; |
1440 | sc->sc_cmd_cblen++; |
1441 | } |
1442 | } else |
1443 | udl_cmd_send_async(sc); |
1444 | udl_reg_write_1(sc, UDL_REG_SYNC, 0xff); |
1445 | sc->sc_cmd_cblen = 4; |
1446 | } |
1447 | |
1448 | udl_cmd_add_2(sc, (UDL_BULK_SOC << 8) | |
1449 | (UDL_BULK_CMD_FB_WRITE16 | UDL_BULK_CMD_FB_COMP)); |
1450 | udl_cmd_add_4(sc, (off * 2) << 8); |
1451 | |
1452 | widthp = sc->sc_cmd_buf - 1; |
1453 | |
1454 | sc->sc_cmd_cblen += UDL_CMD_HEADER_SIZE; |
1455 | |
1456 | width_cur = udl_cmd_add_buf_comp(sc, buf, width); |
1457 | |
1458 | *widthp = width_cur; |
1459 | buf += width_cur; |
1460 | off += width_cur; |
1461 | width -= width_cur; |
1462 | } |
1463 | } |
1464 | #endif |
1465 | |
1466 | static int |
1467 | udl_cmd_send(struct udl_softc *sc) |
1468 | { |
1469 | struct udl_cmdq *cmdq; |
1470 | usbd_status error; |
1471 | uint32_t len; |
1472 | |
1473 | cmdq = sc->sc_cmd_cur; |
1474 | |
1475 | /* mark end of command stack */ |
1476 | udl_cmd_add_2(sc, (UDL_BULK_SOC << 8) | UDL_BULK_CMD_EOC); |
1477 | |
1478 | len = UDL_CMD_BUFSIZE(sc); |
1479 | |
1480 | /* do xfer */ |
1481 | error = usbd_bulk_transfer(cmdq->cq_xfer, sc->sc_tx_pipeh, 0, |
1482 | USBD_NO_TIMEOUT, cmdq->cq_buf, &len); |
1483 | |
1484 | UDL_CMD_BUFINIT(sc); |
1485 | |
1486 | if (error != USBD_NORMAL_COMPLETION) { |
1487 | aprint_error_dev(sc->sc_dev, "%s: %s!\n" , __func__, |
1488 | usbd_errstr(error)); |
1489 | return -1; |
1490 | } |
1491 | |
1492 | return 0; |
1493 | } |
1494 | |
1495 | static void |
1496 | udl_cmd_send_async(struct udl_softc *sc) |
1497 | { |
1498 | struct udl_cmdq *cmdq; |
1499 | usbd_status error; |
1500 | uint32_t len; |
1501 | |
1502 | #if 1 |
1503 | /* |
1504 | * XXX |
1505 | * All tty ops for wsemul are called with tty_lock spin mutex held, |
1506 | * so we can't call cv_wait(9) here to acquire a free buffer. |
1507 | * For now, all commands and data for wsemul ops are discarded |
1508 | * if there is no free command buffer, and then screen text might |
1509 | * be corrupted on large scroll ops etc. |
1510 | * |
1511 | * Probably we have to reorganize the giant tty_lock mutex, or |
1512 | * change wsdisplay APIs (especially wsdisplaystart()) to return |
1513 | * a number of actually handled characters as OpenBSD does, but |
1514 | * the latter one requires whole API changes around rasops(9) etc. |
1515 | */ |
1516 | if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { |
1517 | if (TAILQ_FIRST(&sc->sc_freecmd) == NULL) { |
1518 | UDL_CMD_BUFINIT(sc); |
1519 | return; |
1520 | } |
1521 | } |
1522 | #endif |
1523 | |
1524 | cmdq = sc->sc_cmd_cur; |
1525 | |
1526 | /* mark end of command stack */ |
1527 | udl_cmd_add_2(sc, (UDL_BULK_SOC << 8) | UDL_BULK_CMD_EOC); |
1528 | |
1529 | len = UDL_CMD_BUFSIZE(sc); |
1530 | |
1531 | /* do xfer */ |
1532 | mutex_enter(&sc->sc_mtx); |
1533 | usbd_setup_xfer(cmdq->cq_xfer, cmdq, cmdq->cq_buf, |
1534 | len, 0, USBD_NO_TIMEOUT, udl_cmd_send_async_cb); |
1535 | error = usbd_transfer(cmdq->cq_xfer); |
1536 | if (error != USBD_NORMAL_COMPLETION && error != USBD_IN_PROGRESS) { |
1537 | aprint_error_dev(sc->sc_dev, "%s: %s!\n" , __func__, |
1538 | usbd_errstr(error)); |
1539 | mutex_exit(&sc->sc_mtx); |
1540 | goto end; |
1541 | } |
1542 | |
1543 | TAILQ_INSERT_TAIL(&sc->sc_xfercmd, cmdq, cq_chain); |
1544 | cmdq = udl_cmdq_get(sc); |
1545 | mutex_exit(&sc->sc_mtx); |
1546 | while (cmdq == NULL) { |
1547 | int err; |
1548 | UDL_EVCNT_INCR(&sc->sc_ev_cmdq_wait); |
1549 | mutex_enter(&sc->sc_mtx); |
1550 | err = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, |
1551 | mstohz(100) /* XXX is this needed? */); |
1552 | if (err != 0) { |
1553 | DPRINTF(("%s: %s: cv timeout (error = %d)\n" , |
1554 | device_xname(sc->sc_dev), __func__, err)); |
1555 | UDL_EVCNT_INCR(&sc->sc_ev_cmdq_timeout); |
1556 | } |
1557 | cmdq = udl_cmdq_get(sc); |
1558 | mutex_exit(&sc->sc_mtx); |
1559 | } |
1560 | sc->sc_cmd_cur = cmdq; |
1561 | end: |
1562 | UDL_CMD_BUFINIT(sc); |
1563 | } |
1564 | |
1565 | static void |
1566 | udl_cmd_send_async_cb(struct usbd_xfer *xfer, void * priv, |
1567 | usbd_status status) |
1568 | { |
1569 | struct udl_cmdq *cmdq = priv; |
1570 | struct udl_softc *sc = cmdq->cq_sc; |
1571 | |
1572 | if (status != USBD_NORMAL_COMPLETION) { |
1573 | aprint_error_dev(sc->sc_dev, "%s: %s!\n" , __func__, |
1574 | usbd_errstr(status)); |
1575 | |
1576 | if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) |
1577 | return; |
1578 | if (status == USBD_STALLED) |
1579 | usbd_clear_endpoint_stall_async(sc->sc_tx_pipeh); |
1580 | } |
1581 | |
1582 | mutex_enter(&sc->sc_mtx); |
1583 | TAILQ_REMOVE(&sc->sc_xfercmd, cmdq, cq_chain); |
1584 | udl_cmdq_put(sc, cmdq); |
1585 | |
1586 | /* signal xfer op that sleeps for a free xfer buffer */ |
1587 | cv_signal(&sc->sc_cv); |
1588 | mutex_exit(&sc->sc_mtx); |
1589 | } |
1590 | |
1591 | static int |
1592 | udl_ctrl_msg(struct udl_softc *sc, uint8_t rt, uint8_t r, uint16_t index, |
1593 | uint16_t value, uint8_t *buf, uint16_t len) |
1594 | { |
1595 | usb_device_request_t req; |
1596 | usbd_status error; |
1597 | |
1598 | req.bmRequestType = rt; |
1599 | req.bRequest = r; |
1600 | USETW(req.wIndex, index); |
1601 | USETW(req.wValue, value); |
1602 | USETW(req.wLength, len); |
1603 | |
1604 | error = usbd_do_request(sc->sc_udev, &req, buf); |
1605 | if (error != USBD_NORMAL_COMPLETION) { |
1606 | aprint_error_dev(sc->sc_dev, "%s: %s!\n" , __func__, |
1607 | usbd_errstr(error)); |
1608 | return -1; |
1609 | } |
1610 | |
1611 | return 0; |
1612 | } |
1613 | |
1614 | static int |
1615 | udl_init(struct udl_softc *sc) |
1616 | { |
1617 | static uint8_t key[16] = { |
1618 | 0x57, 0xcd, 0xdc, 0xa7, 0x1c, 0x88, 0x5e, 0x15, |
1619 | 0x60, 0xfe, 0xc6, 0x97, 0x16, 0x3d, 0x47, 0xf2 |
1620 | }; |
1621 | uint8_t status[4], val; |
1622 | |
1623 | if (udl_ctrl_msg(sc, UT_READ_VENDOR_DEVICE, UDL_CTRL_CMD_READ_STATUS, |
1624 | 0x0000, 0x0000, status, sizeof(status)) != 0) |
1625 | return -1; |
1626 | |
1627 | if (udl_ctrl_msg(sc, UT_READ_VENDOR_DEVICE, UDL_CTRL_CMD_READ_1, |
1628 | 0xc484, 0x0000, &val, 1) != 0) |
1629 | return -1; |
1630 | |
1631 | val = 1; |
1632 | if (udl_ctrl_msg(sc, UT_WRITE_VENDOR_DEVICE, UDL_CTRL_CMD_WRITE_1, |
1633 | 0xc41f, 0x0000, &val, 1) != 0) |
1634 | return -1; |
1635 | |
1636 | if (udl_ctrl_msg(sc, UT_WRITE_VENDOR_DEVICE, UDL_CTRL_CMD_SET_KEY, |
1637 | 0x0000, 0x0000, key, sizeof(key)) != 0) |
1638 | return -1; |
1639 | |
1640 | val = 0; |
1641 | if (udl_ctrl_msg(sc, UT_WRITE_VENDOR_DEVICE, UDL_CTRL_CMD_WRITE_1, |
1642 | 0xc40b, 0x0000, &val, 1) != 0) |
1643 | return -1; |
1644 | |
1645 | return 0; |
1646 | } |
1647 | |
1648 | static void |
1649 | udl_read_edid(struct udl_softc *sc) |
1650 | { |
1651 | uint8_t buf[64], edid[128]; |
1652 | int offset; |
1653 | |
1654 | memset(&sc->sc_ei, 0, sizeof(struct edid_info)); |
1655 | |
1656 | offset = 0; |
1657 | if (udl_ctrl_msg(sc, UT_READ_VENDOR_DEVICE, UDL_CTRL_CMD_READ_EDID, |
1658 | 0x00a1, (offset << 8), buf, 64) != 0) |
1659 | return; |
1660 | if (buf[0] != 0) |
1661 | return; |
1662 | memcpy(&edid[offset], &buf[1], 63); |
1663 | offset += 63; |
1664 | |
1665 | if (udl_ctrl_msg(sc, UT_READ_VENDOR_DEVICE, UDL_CTRL_CMD_READ_EDID, |
1666 | 0x00a1, (offset << 8), buf, 64) != 0) |
1667 | return; |
1668 | if (buf[0] != 0) |
1669 | return; |
1670 | memcpy(&edid[offset], &buf[1], 63); |
1671 | offset += 63; |
1672 | |
1673 | if (udl_ctrl_msg(sc, UT_READ_VENDOR_DEVICE, UDL_CTRL_CMD_READ_EDID, |
1674 | 0x00a1, (offset << 8), buf, 3) != 0) |
1675 | return; |
1676 | if (buf[0] != 0) |
1677 | return; |
1678 | memcpy(&edid[offset], &buf[1], 2); |
1679 | |
1680 | if (edid_parse(edid, &sc->sc_ei) == 0) { |
1681 | #ifdef UDL_DEBUG |
1682 | edid_print(&sc->sc_ei); |
1683 | #endif |
1684 | } |
1685 | } |
1686 | |
1687 | static void |
1688 | udl_set_address(struct udl_softc *sc, int start16, int stride16, int start8, |
1689 | int stride8) |
1690 | { |
1691 | udl_reg_write_1(sc, UDL_REG_SYNC, 0x00); |
1692 | udl_reg_write_3(sc, UDL_REG_ADDR_START16, start16); |
1693 | udl_reg_write_3(sc, UDL_REG_ADDR_STRIDE16, stride16); |
1694 | udl_reg_write_3(sc, UDL_REG_ADDR_START8, start8); |
1695 | udl_reg_write_3(sc, UDL_REG_ADDR_STRIDE8, stride8); |
1696 | udl_reg_write_1(sc, UDL_REG_SYNC, 0xff); |
1697 | } |
1698 | |
1699 | static void |
1700 | udl_blank(struct udl_softc *sc, int blank) |
1701 | { |
1702 | |
1703 | if (blank != 0) |
1704 | udl_reg_write_1(sc, UDL_REG_BLANK, UDL_REG_BLANK_ON); |
1705 | else |
1706 | udl_reg_write_1(sc, UDL_REG_BLANK, UDL_REG_BLANK_OFF); |
1707 | udl_reg_write_1(sc, UDL_REG_SYNC, 0xff); |
1708 | } |
1709 | |
1710 | static uint16_t |
1711 | udl_lfsr(uint16_t count) |
1712 | { |
1713 | uint16_t val = 0xffff; |
1714 | |
1715 | while (count > 0) { |
1716 | val = (uint16_t)(val << 1) | ((uint16_t)( |
1717 | (uint16_t)(val << 0) ^ |
1718 | (uint16_t)(val << 11) ^ |
1719 | (uint16_t)(val << 13) ^ |
1720 | (uint16_t)(val << 14) |
1721 | ) >> 15); |
1722 | count--; |
1723 | } |
1724 | |
1725 | return val; |
1726 | } |
1727 | |
1728 | static int |
1729 | udl_set_resolution(struct udl_softc *sc, const struct videomode *vmp) |
1730 | { |
1731 | uint16_t val; |
1732 | int start16, stride16, start8, stride8; |
1733 | |
1734 | /* set video memory offsets */ |
1735 | start16 = 0; |
1736 | stride16 = sc->sc_width * 2; |
1737 | start8 = stride16 * sc->sc_height; |
1738 | stride8 = sc->sc_width; |
1739 | udl_set_address(sc, start16, stride16, start8, stride8); |
1740 | |
1741 | /* write resolution values */ |
1742 | udl_reg_write_1(sc, UDL_REG_SYNC, 0x00); |
1743 | udl_reg_write_1(sc, UDL_REG_COLORDEPTH, UDL_REG_COLORDEPTH_16); |
1744 | val = vmp->htotal - vmp->hsync_start; |
1745 | udl_reg_write_2(sc, UDL_REG_XDISPLAYSTART, udl_lfsr(val)); |
1746 | val += vmp->hdisplay; |
1747 | udl_reg_write_2(sc, UDL_REG_XDISPLAYEND, udl_lfsr(val)); |
1748 | val = vmp->vtotal - vmp->vsync_start; |
1749 | udl_reg_write_2(sc, UDL_REG_YDISPLAYSTART, udl_lfsr(val)); |
1750 | val += vmp->vdisplay; |
1751 | udl_reg_write_2(sc, UDL_REG_YDISPLAYEND, udl_lfsr(val)); |
1752 | val = vmp->htotal - 1; |
1753 | udl_reg_write_2(sc, UDL_REG_XENDCOUNT, udl_lfsr(val)); |
1754 | val = vmp->hsync_end - vmp->hsync_start + 1; |
1755 | if (vmp->flags & VID_PHSYNC) { |
1756 | udl_reg_write_2(sc, UDL_REG_HSYNCSTART, udl_lfsr(1)); |
1757 | udl_reg_write_2(sc, UDL_REG_HSYNCEND, udl_lfsr(val)); |
1758 | } else { |
1759 | udl_reg_write_2(sc, UDL_REG_HSYNCSTART, udl_lfsr(val)); |
1760 | udl_reg_write_2(sc, UDL_REG_HSYNCEND, udl_lfsr(1)); |
1761 | } |
1762 | val = vmp->hdisplay; |
1763 | udl_reg_write_2(sc, UDL_REG_HPIXELS, val); |
1764 | val = vmp->vtotal; |
1765 | udl_reg_write_2(sc, UDL_REG_YENDCOUNT, udl_lfsr(val)); |
1766 | val = vmp->vsync_end - vmp->vsync_start; |
1767 | if (vmp->flags & VID_PVSYNC) { |
1768 | udl_reg_write_2(sc, UDL_REG_VSYNCSTART, udl_lfsr(0)); |
1769 | udl_reg_write_2(sc, UDL_REG_VSYNCEND, udl_lfsr(val)); |
1770 | } else { |
1771 | udl_reg_write_2(sc, UDL_REG_VSYNCSTART, udl_lfsr(val)); |
1772 | udl_reg_write_2(sc, UDL_REG_VSYNCEND, udl_lfsr(0)); |
1773 | } |
1774 | val = vmp->vdisplay; |
1775 | udl_reg_write_2(sc, UDL_REG_VPIXELS, val); |
1776 | val = vmp->dot_clock / 5; |
1777 | udl_reg_write_2(sc, UDL_REG_PIXELCLOCK5KHZ, bswap16(val)); |
1778 | udl_reg_write_1(sc, UDL_REG_SYNC, 0xff); |
1779 | |
1780 | if (udl_cmd_send(sc) != 0) |
1781 | return -1; |
1782 | |
1783 | /* clear screen */ |
1784 | udl_fill_rect(sc, 0, 0, 0, sc->sc_width, sc->sc_height); |
1785 | |
1786 | if (udl_cmd_send(sc) != 0) |
1787 | return -1; |
1788 | |
1789 | /* show framebuffer content */ |
1790 | udl_blank(sc, 0); |
1791 | |
1792 | if (udl_cmd_send(sc) != 0) |
1793 | return -1; |
1794 | |
1795 | sc->sc_blank = WSDISPLAYIO_VIDEO_ON; |
1796 | |
1797 | return 0; |
1798 | } |
1799 | |
1800 | static const struct videomode * |
1801 | udl_videomode_lookup(const char *name) |
1802 | { |
1803 | int i; |
1804 | |
1805 | for (i = 0; i < videomode_count; i++) |
1806 | if (strcmp(name, videomode_list[i].name) == 0) |
1807 | return &videomode_list[i]; |
1808 | |
1809 | return NULL; |
1810 | } |
1811 | |
1812 | static void |
1813 | udl_update_thread(void *v) |
1814 | { |
1815 | struct udl_softc *sc = v; |
1816 | int stride; |
1817 | #ifdef notyet |
1818 | bool update = false; |
1819 | int linecount, x, y; |
1820 | uint16_t *fb, *fbcopy; |
1821 | uint8_t *curfb; |
1822 | #else |
1823 | uint16_t *fb; |
1824 | int offs; |
1825 | #endif |
1826 | |
1827 | mutex_enter(&sc->sc_thread_mtx); |
1828 | |
1829 | for (;;) { |
1830 | stride = min(sc->sc_width, UDL_CMD_WIDTH_MAX - 8); |
1831 | if (sc->sc_dying == true) { |
1832 | mutex_exit(&sc->sc_thread_mtx); |
1833 | kthread_exit(0); |
1834 | } |
1835 | |
1836 | if (sc->sc_thread_stop == true || sc->sc_fbmem == NULL) |
1837 | goto thread_wait; |
1838 | |
1839 | #ifdef notyet |
1840 | curfb = kmem_zalloc(UDL_FBMEM_SIZE(sc), KM_SLEEP); |
1841 | memcpy(curfb, sc->sc_fbmem, sc->sc_height * sc->sc_width * 2); |
1842 | fb = (uint16_t *)curfb; |
1843 | fbcopy = (uint16_t *)sc->sc_fbmem_prev; |
1844 | for (y = 0; y < sc->sc_height; y++) { |
1845 | linecount = 0; |
1846 | update = false; |
1847 | for (x = 0; x < sc->sc_width; x++) { |
1848 | if (linecount >= stride) { |
1849 | udl_draw_line(sc, &fb[y * sc->sc_width |
1850 | + x - linecount], y * sc->sc_width |
1851 | + x - linecount, linecount); |
1852 | linecount = 0; |
1853 | update = false; |
1854 | } |
1855 | if (fb[y * sc->sc_width + x] ^ fbcopy[y * |
1856 | sc->sc_width + x]) { |
1857 | update = true; |
1858 | linecount ++; |
1859 | } else if (update == true) { |
1860 | udl_draw_line(sc, &fb[y * sc->sc_width |
1861 | + x - linecount], y * sc->sc_width |
1862 | + x - linecount, linecount); |
1863 | linecount = 0; |
1864 | update = false; |
1865 | } |
1866 | } |
1867 | if (linecount) { |
1868 | udl_draw_line(sc, &fb[y * sc->sc_width + x - |
1869 | linecount], y * sc->sc_width + x - |
1870 | linecount, linecount); |
1871 | } |
1872 | } |
1873 | memcpy(sc->sc_fbmem_prev, curfb, sc->sc_height * sc->sc_width |
1874 | * 2); |
1875 | kmem_free(curfb, UDL_FBMEM_SIZE(sc)); |
1876 | #else |
1877 | fb = (uint16_t *)sc->sc_fbmem; |
1878 | for (offs = 0; offs < sc->sc_height * sc->sc_width; offs += stride) |
1879 | udl_draw_line(sc, &fb[offs], offs, stride); |
1880 | |
1881 | #endif |
1882 | |
1883 | kpause("udlslp" , false, (40 * hz)/1000 + 1, &sc->sc_thread_mtx); |
1884 | continue; |
1885 | |
1886 | thread_wait: |
1887 | cv_wait(&sc->sc_thread_cv, &sc->sc_thread_mtx); |
1888 | } |
1889 | } |
1890 | |
1891 | static inline void |
1892 | udl_startstop(struct udl_softc *sc, bool stop) |
1893 | { |
1894 | mutex_enter(&sc->sc_thread_mtx); |
1895 | sc->sc_thread_stop = stop; |
1896 | if (!stop) |
1897 | cv_broadcast(&sc->sc_thread_cv); |
1898 | mutex_exit(&sc->sc_thread_mtx); |
1899 | } |
1900 | |