sys/arm/versatile/versatile_clcd.c

   1 /*
   2  * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26
  27 #include <sys/cdefs.h>
  28 __FBSDID("$FreeBSD$");
  29
  30 #include <sys/param.h>
  31 #include <sys/systm.h>
  32 #include <sys/bus.h>
  33 #include <sys/kernel.h>
  34 #include <sys/module.h>
  35 #include <sys/malloc.h>
  36 #include <sys/rman.h>
  37 #include <sys/fbio.h>
  38 #include <sys/consio.h>
  39 #include <sys/kdb.h>
  40
  41 #include <machine/bus.h>
  42 #include <machine/cpu.h>
  43 #include <machine/intr.h>
  44
  45 #include <dev/ofw/openfirm.h>
  46 #include <dev/ofw/ofw_bus.h>
  47 #include <dev/ofw/ofw_bus_subr.h>
  48
  49 #include <dev/fb/fbreg.h>
  50 #include <dev/syscons/syscons.h>
  51
  52 #include <machine/bus.h>
  53
  54 #define PL110_VENDOR_ARM926PXP  1
  55
  56 #define MEM_SYS         0
  57 #define MEM_CLCD        1
  58 #define MEM_REGIONS     2
  59
  60 #define SYS_CLCD                0x00
  61 #define         SYS_CLCD_CLCDID_SHIFT   0x08
  62 #define         SYS_CLCD_CLCDID_MASK    0x1f
  63 #define         SYS_CLCD_PWR3V5VSWITCH  (1 << 4)
  64 #define         SYS_CLCD_VDDPOSSWITCH   (1 << 3)
  65 #define         SYS_CLCD_NLCDIOON       (1 << 2)
  66 #define         SYS_CLCD_LCD_MODE_MASK  0x03
  67
  68 #define CLCD_MODE_RGB888        0x0
  69 #define CLCD_MODE_RGB555        0x01
  70 #define CLCD_MODE_RBG565        0x02
  71 #define CLCD_MODE_RGB565        0x03
  72
  73 #define CLCDC_TIMING0           0x00
  74 #define CLCDC_TIMING1           0x04
  75 #define CLCDC_TIMING2           0x08
  76 #define CLCDC_TIMING3           0x0C
  77 #define CLCDC_TIMING3           0x0C
  78 #define CLCDC_UPBASE            0x10
  79 #define CLCDC_LPBASE            0x14
  80 #ifdef PL110_VENDOR_ARM926PXP
  81 #define CLCDC_CONTROL           0x18
  82 #define CLCDC_IMSC              0x1C
  83 #else
  84 #define CLCDC_IMSC              0x18
  85 #define CLCDC_CONTROL           0x1C
  86 #endif
  87 #define         CONTROL_WATERMARK       (1 << 16)
  88 #define         CONTROL_VCOMP_VS        (0 << 12)
  89 #define         CONTROL_VCOMP_BP        (1 << 12)
  90 #define         CONTROL_VCOMP_SAV       (2 << 12)
  91 #define         CONTROL_VCOMP_FP        (3 << 12)
  92 #define         CONTROL_PWR             (1 << 11)
  93 #define         CONTROL_BEPO            (1 << 10)
  94 #define         CONTROL_BEBO            (1 << 9)
  95 #define         CONTROL_BGR             (1 << 8)
  96 #define         CONTROL_DUAL            (1 << 7)
  97 #define         CONTROL_MONO8           (1 << 6)
  98 #define         CONTROL_TFT             (1 << 5)
  99 #define         CONTROL_BW              (1 << 4)
 100 #define         CONTROL_BPP1            (0x00 << 1)
 101 #define         CONTROL_BPP2            (0x01 << 1)
 102 #define         CONTROL_BPP4            (0x02 << 1)
 103 #define         CONTROL_BPP8            (0x03 << 1)
 104 #define         CONTROL_BPP16           (0x04 << 1)
 105 #define         CONTROL_BPP24           (0x05 << 1)
 106 #define         CONTROL_EN      (1 << 0)
 107 #define CLCDC_RIS               0x20
 108 #define CLCDC_MIS               0x24
 109 #define         INTR_MBERR              (1 << 4)
 110 #define         INTR_VCOMP              (1 << 3)
 111 #define         INTR_LNB                (1 << 2)
 112 #define         INTR_FUF                (1 << 1)
 113 #define CLCDC_ICR               0x28
 114
 115 #ifdef DEBUG
 116 #define dprintf(fmt, args...) do { printf("%s(): ", __func__);   \
 117     printf(fmt,##args); } while (0)
 118 #else
 119 #define dprintf(fmt, args...)
 120 #endif
 121
 122 #define versatile_clcdc_sys_read_4(sc, reg)     \
 123         bus_read_4((sc)->mem_res[MEM_SYS], (reg))
 124 #define versatile_clcdc_sys_write_4(sc, reg, val)       \
 125         bus_write_4((sc)->mem_res[MEM_SYS], (reg), (val))
 126
 127 #define versatile_clcdc_read_4(sc, reg) \
 128         bus_read_4((sc)->mem_res[MEM_CLCD], (reg))
 129 #define versatile_clcdc_write_4(sc, reg, val)   \
 130         bus_write_4((sc)->mem_res[MEM_CLCD], (reg), (val))
 131
 132 struct versatile_clcdc_softc {
 133         struct resource*        mem_res[MEM_REGIONS];
 134
 135         struct mtx              mtx;
 136
 137         int                     width;
 138         int                     height;
 139         int                     mode;
 140
 141         bus_dma_tag_t           dma_tag;
 142         bus_dmamap_t            dma_map;
 143         bus_addr_t              fb_phys;
 144         uint8_t                 *fb_base;
 145
 146 };
 147
 148 struct video_adapter_softc {
 149         /* Videoadpater part */
 150         video_adapter_t va;
 151         int             console;
 152
 153         intptr_t        fb_addr;
 154         unsigned int    fb_size;
 155
 156         unsigned int    height;
 157         unsigned int    width;
 158         unsigned int    depth;
 159         unsigned int    stride;
 160
 161         unsigned int    xmargin;
 162         unsigned int    ymargin;
 163
 164         unsigned char   *font;
 165         int             initialized;
 166 };
 167
 168 struct argb {
 169         uint8_t         a;
 170         uint8_t         r;
 171         uint8_t         g;
 172         uint8_t         b;
 173 };
 174
 175 static struct argb versatilefb_palette[16] = {
 176         {0x00, 0x00, 0x00, 0x00},
 177         {0x00, 0x00, 0x00, 0xaa},
 178         {0x00, 0x00, 0xaa, 0x00},
 179         {0x00, 0x00, 0xaa, 0xaa},
 180         {0x00, 0xaa, 0x00, 0x00},
 181         {0x00, 0xaa, 0x00, 0xaa},
 182         {0x00, 0xaa, 0x55, 0x00},
 183         {0x00, 0xaa, 0xaa, 0xaa},
 184         {0x00, 0x55, 0x55, 0x55},
 185         {0x00, 0x55, 0x55, 0xff},
 186         {0x00, 0x55, 0xff, 0x55},
 187         {0x00, 0x55, 0xff, 0xff},
 188         {0x00, 0xff, 0x55, 0x55},
 189         {0x00, 0xff, 0x55, 0xff},
 190         {0x00, 0xff, 0xff, 0x55},
 191         {0x00, 0xff, 0xff, 0xff}
 192 };
 193
 194 /* mouse pointer from dev/syscons/scgfbrndr.c */
 195 static u_char mouse_pointer[16] = {
 196         0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68,
 197         0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00
 198 };
 199
 200 #define FB_WIDTH                640
 201 #define FB_HEIGHT               480
 202 #define FB_DEPTH                16
 203
 204 #define VERSATILE_FONT_HEIGHT   16
 205
 206 static struct video_adapter_softc va_softc;
 207
 208 static struct resource_spec versatile_clcdc_mem_spec[] = {
 209         { SYS_RES_MEMORY, 0, RF_ACTIVE },
 210         { SYS_RES_MEMORY, 1, RF_ACTIVE },
 211         { -1, 0, 0 }
 212 };
 213
 214 static int versatilefb_configure(int);
 215 static void versatilefb_update_margins(video_adapter_t *adp);
 216
 217 static void
 218 versatile_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err)
 219 {
 220         bus_addr_t *addr;
 221
 222         if (err)
 223                 return;
 224
 225         addr = (bus_addr_t*)arg;
 226         *addr = segs[0].ds_addr;
 227 }
 228
 229 static int
 230 versatile_clcdc_probe(device_t dev)
 231 {
 232
 233         if (!ofw_bus_status_okay(dev))
 234                 return (ENXIO);
 235
 236         if (ofw_bus_is_compatible(dev, "arm,pl110")) {
 237                 device_set_desc(dev, "PL110 CLCD controller");
 238                 return (BUS_PROBE_DEFAULT);
 239         }
 240
 241         return (ENXIO);
 242 }
 243
 244 static int
 245 versatile_clcdc_attach(device_t dev)
 246 {
 247         struct versatile_clcdc_softc *sc = device_get_softc(dev);
 248         struct video_adapter_softc *va_sc = &va_softc;
 249         int err;
 250         uint32_t reg;
 251         int clcdid;
 252         int dma_size;
 253
 254         /* Request memory resources */
 255         err = bus_alloc_resources(dev, versatile_clcdc_mem_spec,
 256                 sc->mem_res);
 257         if (err) {
 258                 device_printf(dev, "Error: could not allocate memory resources\n");
 259                 return (ENXIO);
 260         }
 261
 262         reg = versatile_clcdc_sys_read_4(sc, SYS_CLCD);
 263         clcdid = (reg >> SYS_CLCD_CLCDID_SHIFT) & SYS_CLCD_CLCDID_MASK;
 264         switch (clcdid) {
 265                 case 31:
 266                         device_printf(dev, "QEMU VGA 640x480\n");
 267                         sc->width = 640;
 268                         sc->height = 480;
 269                         break;
 270                 default:
 271                         device_printf(dev, "Unsupported: %d\n", clcdid);
 272                         goto fail;
 273         }
 274
 275         reg &= ~SYS_CLCD_LCD_MODE_MASK;
 276         reg |= CLCD_MODE_RGB565;
 277         sc->mode = CLCD_MODE_RGB565;
 278         versatile_clcdc_sys_write_4(sc, SYS_CLCD, reg);
 279         dma_size = sc->width*sc->height*2;
 280
 281         /*
 282          * Power on LCD
 283          */
 284         reg |= SYS_CLCD_PWR3V5VSWITCH | SYS_CLCD_NLCDIOON;
 285         versatile_clcdc_sys_write_4(sc, SYS_CLCD, reg);
 286
 287         /*
 288          * XXX: hardcoded timing for VGA. For other modes/panels
 289          * we need to keep table of timing register values
 290          */
 291         /*
 292          * XXX: set SYS_OSC1
 293          */
 294         versatile_clcdc_write_4(sc, CLCDC_TIMING0, 0x3F1F3F9C);
 295         versatile_clcdc_write_4(sc, CLCDC_TIMING1, 0x090B61DF);
 296         versatile_clcdc_write_4(sc, CLCDC_TIMING2, 0x067F1800);
 297         /* XXX: timing 3? */
 298
 299         /*
 300          * Now allocate framebuffer memory
 301          */
 302         err = bus_dma_tag_create(
 303             bus_get_dma_tag(dev),
 304             4, 0,               /* alignment, boundary */
 305             BUS_SPACE_MAXADDR_32BIT,    /* lowaddr */
 306             BUS_SPACE_MAXADDR,          /* highaddr */
 307             NULL, NULL,                 /* filter, filterarg */
 308             dma_size, 1,                /* maxsize, nsegments */
 309             dma_size, 0,                /* maxsegsize, flags */
 310             NULL, NULL,                 /* lockfunc, lockarg */
 311             &sc->dma_tag);
 312
 313         err = bus_dmamem_alloc(sc->dma_tag, (void **)&sc->fb_base,
 314             0, &sc->dma_map);
 315         if (err) {
 316                 device_printf(dev, "cannot allocate framebuffer\n");
 317                 goto fail;
 318         }
 319
 320         err = bus_dmamap_load(sc->dma_tag, sc->dma_map, sc->fb_base,
 321             dma_size, versatile_fb_dmamap_cb, &sc->fb_phys, BUS_DMA_NOWAIT);
 322
 323         if (err) {
 324                 device_printf(dev, "cannot load DMA map\n");
 325                 goto fail;
 326         }
 327
 328         /* Make sure it's blank */
 329         memset(sc->fb_base, 0x00, dma_size);
 330
 331         versatile_clcdc_write_4(sc, CLCDC_UPBASE, sc->fb_phys);
 332
 333         err = (sc_attach_unit(device_get_unit(dev),
 334             device_get_flags(dev) | SC_AUTODETECT_KBD));
 335
 336         if (err) {
 337                 device_printf(dev, "failed to attach syscons\n");
 338                 goto fail;
 339         }
 340
 341         /*
 342          * XXX: hardcoded for VGA
 343          */
 344         reg = CONTROL_VCOMP_BP | CONTROL_TFT | CONTROL_BGR | CONTROL_EN;
 345         reg |= CONTROL_BPP16;
 346         versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg);
 347         DELAY(20);
 348         reg |= CONTROL_PWR;
 349         versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg);
 350
 351         va_sc->fb_addr = (vm_offset_t)sc->fb_base;
 352         va_sc->fb_size = dma_size;
 353         va_sc->width = sc->width;
 354         va_sc->height = sc->height;
 355         va_sc->depth = 16;
 356         va_sc->stride = sc->width * 2;
 357         versatilefb_update_margins(&va_sc->va);
 358
 359         return (0);
 360
 361 fail:
 362         if (sc->fb_base)
 363                 bus_dmamem_free(sc->dma_tag, sc->fb_base, sc->dma_map);
 364         if (sc->dma_tag)
 365                 bus_dma_tag_destroy(sc->dma_tag);
 366         return (err);
 367 }
 368
 369 static device_method_t versatile_clcdc_methods[] = {
 370         DEVMETHOD(device_probe,         versatile_clcdc_probe),
 371         DEVMETHOD(device_attach,        versatile_clcdc_attach),
 372
 373         DEVMETHOD_END
 374 };
 375
 376 static driver_t versatile_clcdc_driver = {
 377         "clcdc",
 378         versatile_clcdc_methods,
 379         sizeof(struct versatile_clcdc_softc),
 380 };
 381
 382 static devclass_t versatile_clcdc_devclass;
 383
 384 DRIVER_MODULE(versatile_clcdc, simplebus, versatile_clcdc_driver, versatile_clcdc_devclass, 0, 0);
 385
 386 /*
 387  * Video driver routines and glue.
 388  */
 389 static vi_probe_t               versatilefb_probe;
 390 static vi_init_t                versatilefb_init;
 391 static vi_get_info_t            versatilefb_get_info;
 392 static vi_query_mode_t          versatilefb_query_mode;
 393 static vi_set_mode_t            versatilefb_set_mode;
 394 static vi_save_font_t           versatilefb_save_font;
 395 static vi_load_font_t           versatilefb_load_font;
 396 static vi_show_font_t           versatilefb_show_font;
 397 static vi_save_palette_t        versatilefb_save_palette;
 398 static vi_load_palette_t        versatilefb_load_palette;
 399 static vi_set_border_t          versatilefb_set_border;
 400 static vi_save_state_t          versatilefb_save_state;
 401 static vi_load_state_t          versatilefb_load_state;
 402 static vi_set_win_org_t         versatilefb_set_win_org;
 403 static vi_read_hw_cursor_t      versatilefb_read_hw_cursor;
 404 static vi_set_hw_cursor_t       versatilefb_set_hw_cursor;
 405 static vi_set_hw_cursor_shape_t versatilefb_set_hw_cursor_shape;
 406 static vi_blank_display_t       versatilefb_blank_display;
 407 static vi_mmap_t                versatilefb_mmap;
 408 static vi_ioctl_t               versatilefb_ioctl;
 409 static vi_clear_t               versatilefb_clear;
 410 static vi_fill_rect_t           versatilefb_fill_rect;
 411 static vi_bitblt_t              versatilefb_bitblt;
 412 static vi_diag_t                versatilefb_diag;
 413 static vi_save_cursor_palette_t versatilefb_save_cursor_palette;
 414 static vi_load_cursor_palette_t versatilefb_load_cursor_palette;
 415 static vi_copy_t                versatilefb_copy;
 416 static vi_putp_t                versatilefb_putp;
 417 static vi_putc_t                versatilefb_putc;
 418 static vi_puts_t                versatilefb_puts;
 419 static vi_putm_t                versatilefb_putm;
 420
 421 static video_switch_t versatilefbvidsw = {
 422         .probe                  = versatilefb_probe,
 423         .init                   = versatilefb_init,
 424         .get_info               = versatilefb_get_info,
 425         .query_mode             = versatilefb_query_mode,
 426         .set_mode               = versatilefb_set_mode,
 427         .save_font              = versatilefb_save_font,
 428         .load_font              = versatilefb_load_font,
 429         .show_font              = versatilefb_show_font,
 430         .save_palette           = versatilefb_save_palette,
 431         .load_palette           = versatilefb_load_palette,
 432         .set_border             = versatilefb_set_border,
 433         .save_state             = versatilefb_save_state,
 434         .load_state             = versatilefb_load_state,
 435         .set_win_org            = versatilefb_set_win_org,
 436         .read_hw_cursor         = versatilefb_read_hw_cursor,
 437         .set_hw_cursor          = versatilefb_set_hw_cursor,
 438         .set_hw_cursor_shape    = versatilefb_set_hw_cursor_shape,
 439         .blank_display          = versatilefb_blank_display,
 440         .mmap                   = versatilefb_mmap,
 441         .ioctl                  = versatilefb_ioctl,
 442         .clear                  = versatilefb_clear,
 443         .fill_rect              = versatilefb_fill_rect,
 444         .bitblt                 = versatilefb_bitblt,
 445         .diag                   = versatilefb_diag,
 446         .save_cursor_palette    = versatilefb_save_cursor_palette,
 447         .load_cursor_palette    = versatilefb_load_cursor_palette,
 448         .copy                   = versatilefb_copy,
 449         .putp                   = versatilefb_putp,
 450         .putc                   = versatilefb_putc,
 451         .puts                   = versatilefb_puts,
 452         .putm                   = versatilefb_putm,
 453 };
 454
 455 VIDEO_DRIVER(versatilefb, versatilefbvidsw, versatilefb_configure);
 456
 457 static vr_init_t clcdr_init;
 458 static vr_clear_t clcdr_clear;
 459 static vr_draw_border_t clcdr_draw_border;
 460 static vr_draw_t clcdr_draw;
 461 static vr_set_cursor_t clcdr_set_cursor;
 462 static vr_draw_cursor_t clcdr_draw_cursor;
 463 static vr_blink_cursor_t clcdr_blink_cursor;
 464 static vr_set_mouse_t clcdr_set_mouse;
 465 static vr_draw_mouse_t clcdr_draw_mouse;
 466
 467 /*
 468  * We use our own renderer; this is because we must emulate a hardware
 469  * cursor.
 470  */
 471 static sc_rndr_sw_t clcdrend = {
 472         clcdr_init,
 473         clcdr_clear,
 474         clcdr_draw_border,
 475         clcdr_draw,
 476         clcdr_set_cursor,
 477         clcdr_draw_cursor,
 478         clcdr_blink_cursor,
 479         clcdr_set_mouse,
 480         clcdr_draw_mouse
 481 };
 482
 483 RENDERER(versatilefb, 0, clcdrend, gfb_set);
 484 RENDERER_MODULE(versatilefb, gfb_set);
 485
 486 static void
 487 clcdr_init(scr_stat* scp)
 488 {
 489 }
 490
 491 static void
 492 clcdr_clear(scr_stat* scp, int c, int attr)
 493 {
 494 }
 495
 496 static void
 497 clcdr_draw_border(scr_stat* scp, int color)
 498 {
 499 }
 500
 501 static void
 502 clcdr_draw(scr_stat* scp, int from, int count, int flip)
 503 {
 504         video_adapter_t* adp = scp->sc->adp;
 505         int i, c, a;
 506
 507         if (!flip) {
 508                 /* Normal printing */
 509                 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count);
 510         } else {
 511                 /* This is for selections and such: invert the color attribute */
 512                 for (i = count; i-- > 0; ++from) {
 513                         c = sc_vtb_getc(&scp->vtb, from);
 514                         a = sc_vtb_geta(&scp->vtb, from) >> 8;
 515                         vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4));
 516                 }
 517         }
 518 }
 519
 520 static void
 521 clcdr_set_cursor(scr_stat* scp, int base, int height, int blink)
 522 {
 523 }
 524
 525 static void
 526 clcdr_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip)
 527 {
 528         video_adapter_t* adp = scp->sc->adp;
 529         struct video_adapter_softc *sc;
 530         int row, col;
 531         uint8_t *addr;
 532         int i,j;
 533
 534         sc = (struct video_adapter_softc *)adp;
 535
 536         if (scp->curs_attr.height <= 0)
 537                 return;
 538
 539         if (sc->fb_addr == 0)
 540                 return;
 541
 542         if (off >= adp->va_info.vi_width * adp->va_info.vi_height)
 543                 return;
 544
 545         /* calculate the coordinates in the video buffer */
 546         row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
 547         col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
 548
 549         addr = (uint8_t *)sc->fb_addr
 550             + (row + sc->ymargin)*(sc->stride)
 551             + (sc->depth/8) * (col + sc->xmargin);
 552
 553         /* our cursor consists of simply inverting the char under it */
 554         for (i = 0; i < adp->va_info.vi_cheight; i++) {
 555                 for (j = 0; j < adp->va_info.vi_cwidth; j++) {
 556
 557                         addr[2*j] ^= 0xff;
 558                         addr[2*j + 1] ^= 0xff;
 559                 }
 560
 561                 addr += sc->stride;
 562         }
 563 }
 564
 565 static void
 566 clcdr_blink_cursor(scr_stat* scp, int at, int flip)
 567 {
 568 }
 569
 570 static void
 571 clcdr_set_mouse(scr_stat* scp)
 572 {
 573 }
 574
 575 static void
 576 clcdr_draw_mouse(scr_stat* scp, int x, int y, int on)
 577 {
 578         vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8);
 579
 580 }
 581
 582 static uint16_t versatilefb_static_window[ROW*COL];
 583 extern u_char dflt_font_16[];
 584
 585 /*
 586  * Update videoadapter settings after changing resolution
 587  */
 588 static void
 589 versatilefb_update_margins(video_adapter_t *adp)
 590 {
 591         struct video_adapter_softc *sc;
 592         video_info_t *vi;
 593
 594         sc = (struct video_adapter_softc *)adp;
 595         vi = &adp->va_info;
 596
 597         sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
 598         sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
 599 }
 600
 601 static int
 602 versatilefb_configure(int flags)
 603 {
 604         struct video_adapter_softc *va_sc;
 605
 606         va_sc = &va_softc;
 607
 608         if (va_sc->initialized)
 609                 return (0);
 610
 611         va_sc->width = FB_WIDTH;
 612         va_sc->height = FB_HEIGHT;
 613         va_sc->depth = FB_DEPTH;
 614
 615         versatilefb_init(0, &va_sc->va, 0);
 616
 617         va_sc->initialized = 1;
 618
 619         return (0);
 620 }
 621
 622 static int
 623 versatilefb_probe(int unit, video_adapter_t **adp, void *arg, int flags)
 624 {
 625
 626         return (0);
 627 }
 628
 629 static int
 630 versatilefb_init(int unit, video_adapter_t *adp, int flags)
 631 {
 632         struct video_adapter_softc *sc;
 633         video_info_t *vi;
 634
 635         sc = (struct video_adapter_softc *)adp;
 636         vi = &adp->va_info;
 637
 638         vid_init_struct(adp, "versatilefb", -1, unit);
 639
 640         sc->font = dflt_font_16;
 641         vi->vi_cheight = VERSATILE_FONT_HEIGHT;
 642         vi->vi_cwidth = 8;
 643
 644         vi->vi_width = sc->width/8;
 645         vi->vi_height = sc->height/vi->vi_cheight;
 646
 647         /*
 648          * Clamp width/height to syscons maximums
 649          */
 650         if (vi->vi_width > COL)
 651                 vi->vi_width = COL;
 652         if (vi->vi_height > ROW)
 653                 vi->vi_height = ROW;
 654
 655         sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
 656         sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
 657
 658
 659         adp->va_window = (vm_offset_t) versatilefb_static_window;
 660         adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */;
 661
 662         vid_register(&sc->va);
 663
 664         return (0);
 665 }
 666
 667 static int
 668 versatilefb_get_info(video_adapter_t *adp, int mode, video_info_t *info)
 669 {
 670         bcopy(&adp->va_info, info, sizeof(*info));
 671         return (0);
 672 }
 673
 674 static int
 675 versatilefb_query_mode(video_adapter_t *adp, video_info_t *info)
 676 {
 677         return (0);
 678 }
 679
 680 static int
 681 versatilefb_set_mode(video_adapter_t *adp, int mode)
 682 {
 683         return (0);
 684 }
 685
 686 static int
 687 versatilefb_save_font(video_adapter_t *adp, int page, int size, int width,
 688     u_char *data, int c, int count)
 689 {
 690         return (0);
 691 }
 692
 693 static int
 694 versatilefb_load_font(video_adapter_t *adp, int page, int size, int width,
 695     u_char *data, int c, int count)
 696 {
 697         struct video_adapter_softc *sc = (struct video_adapter_softc *)adp;
 698
 699         sc->font = data;
 700
 701         return (0);
 702 }
 703
 704 static int
 705 versatilefb_show_font(video_adapter_t *adp, int page)
 706 {
 707         return (0);
 708 }
 709
 710 static int
 711 versatilefb_save_palette(video_adapter_t *adp, u_char *palette)
 712 {
 713         return (0);
 714 }
 715
 716 static int
 717 versatilefb_load_palette(video_adapter_t *adp, u_char *palette)
 718 {
 719         return (0);
 720 }
 721
 722 static int
 723 versatilefb_set_border(video_adapter_t *adp, int border)
 724 {
 725         return (versatilefb_blank_display(adp, border));
 726 }
 727
 728 static int
 729 versatilefb_save_state(video_adapter_t *adp, void *p, size_t size)
 730 {
 731         return (0);
 732 }
 733
 734 static int
 735 versatilefb_load_state(video_adapter_t *adp, void *p)
 736 {
 737         return (0);
 738 }
 739
 740 static int
 741 versatilefb_set_win_org(video_adapter_t *adp, off_t offset)
 742 {
 743         return (0);
 744 }
 745
 746 static int
 747 versatilefb_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
 748 {
 749         *col = *row = 0;
 750
 751         return (0);
 752 }
 753
 754 static int
 755 versatilefb_set_hw_cursor(video_adapter_t *adp, int col, int row)
 756 {
 757
 758         return (0);
 759 }
 760
 761 static int
 762 versatilefb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
 763     int celsize, int blink)
 764 {
 765         return (0);
 766 }
 767
 768 static int
 769 versatilefb_blank_display(video_adapter_t *adp, int mode)
 770 {
 771
 772         struct video_adapter_softc *sc;
 773
 774         sc = (struct video_adapter_softc *)adp;
 775         if (sc && sc->fb_addr)
 776                 memset((void*)sc->fb_addr, 0, sc->fb_size);
 777
 778         return (0);
 779 }
 780
 781 static int
 782 versatilefb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr,
 783     int prot, vm_memattr_t *memattr)
 784 {
 785         struct video_adapter_softc *sc;
 786
 787         sc = (struct video_adapter_softc *)adp;
 788
 789         /*
 790          * This might be a legacy VGA mem request: if so, just point it at the
 791          * framebuffer, since it shouldn't be touched
 792          */
 793         if (offset < sc->stride*sc->height) {
 794                 *paddr = sc->fb_addr + offset;
 795                 return (0);
 796         }
 797
 798         return (EINVAL);
 799 }
 800
 801 static int
 802 versatilefb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
 803 {
 804
 805         return (0);
 806 }
 807
 808 static int
 809 versatilefb_clear(video_adapter_t *adp)
 810 {
 811
 812         return (versatilefb_blank_display(adp, 0));
 813 }
 814
 815 static int
 816 versatilefb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
 817 {
 818
 819         return (0);
 820 }
 821
 822 static int
 823 versatilefb_bitblt(video_adapter_t *adp, ...)
 824 {
 825
 826         return (0);
 827 }
 828
 829 static int
 830 versatilefb_diag(video_adapter_t *adp, int level)
 831 {
 832
 833         return (0);
 834 }
 835
 836 static int
 837 versatilefb_save_cursor_palette(video_adapter_t *adp, u_char *palette)
 838 {
 839
 840         return (0);
 841 }
 842
 843 static int
 844 versatilefb_load_cursor_palette(video_adapter_t *adp, u_char *palette)
 845 {
 846
 847         return (0);
 848 }
 849
 850 static int
 851 versatilefb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
 852 {
 853
 854         return (0);
 855 }
 856
 857 static int
 858 versatilefb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a,
 859     int size, int bpp, int bit_ltor, int byte_ltor)
 860 {
 861
 862         return (0);
 863 }
 864
 865 static int
 866 versatilefb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
 867 {
 868         struct video_adapter_softc *sc;
 869         int row;
 870         int col;
 871         int i, j, k;
 872         uint8_t *addr;
 873         u_char *p;
 874         uint8_t fg, bg, color;
 875         uint16_t rgb;
 876
 877         sc = (struct video_adapter_softc *)adp;
 878
 879         if (sc->fb_addr == 0)
 880                 return (0);
 881
 882         if (off >= adp->va_info.vi_width * adp->va_info.vi_height)
 883                 return (0);
 884
 885         row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
 886         col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
 887         p = sc->font + c*VERSATILE_FONT_HEIGHT;
 888         addr = (uint8_t *)sc->fb_addr
 889             + (row + sc->ymargin)*(sc->stride)
 890             + (sc->depth/8) * (col + sc->xmargin);
 891
 892         fg = a & 0xf ;
 893         bg = (a >> 4) & 0xf;
 894
 895         for (i = 0; i < VERSATILE_FONT_HEIGHT; i++) {
 896                 for (j = 0, k = 7; j < 8; j++, k--) {
 897                         if ((p[i] & (1 << k)) == 0)
 898                                 color = bg;
 899                         else
 900                                 color = fg;
 901
 902                         switch (sc->depth) {
 903                         case 16:
 904                                 rgb = (versatilefb_palette[color].r >> 3) << 11;
 905                                 rgb |= (versatilefb_palette[color].g >> 2) << 5;
 906                                 rgb |= (versatilefb_palette[color].b >> 3);
 907                                 addr[2*j] = rgb & 0xff;
 908                                 addr[2*j + 1] = (rgb >> 8) & 0xff;
 909                         default:
 910                                 /* Not supported yet */
 911                                 break;
 912                         }
 913                 }
 914
 915                 addr += (sc->stride);
 916         }
 917
 918         return (0);
 919 }
 920
 921 static int
 922 versatilefb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
 923 {
 924         int i;
 925
 926         for (i = 0; i < len; i++)
 927                 versatilefb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8);
 928
 929         return (0);
 930 }
 931
 932 static int
 933 versatilefb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
 934     uint32_t pixel_mask, int size, int width)
 935 {
 936
 937         return (0);
 938 }
 939
 940 /*
 941  * Define a stub keyboard driver in case one hasn't been
 942  * compiled into the kernel
 943  */
 944 #include <sys/kbio.h>
 945 #include <dev/kbd/kbdreg.h>
 946
 947 static int dummy_kbd_configure(int flags);
 948
 949 keyboard_switch_t bcmdummysw;
 950
 951 static int
 952 dummy_kbd_configure(int flags)
 953 {
 954
 955         return (0);
 956 }
 957 KEYBOARD_DRIVER(bcmdummy, bcmdummysw, dummy_kbd_configure);