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/fdt/fdt_common.h>
  46 #include <dev/ofw/openfirm.h>
  47 #include <dev/ofw/ofw_bus.h>
  48 #include <dev/ofw/ofw_bus_subr.h>
  49
  50 #include <dev/fb/fbreg.h>
  51 #include <dev/syscons/syscons.h>
  52
  53 #include <machine/bus.h>
  54 #include <machine/fdt.h>
  55
  56 #define PL110_VENDOR_ARM926PXP  1
  57
  58 #define MEM_SYS         0
  59 #define MEM_CLCD        1
  60 #define MEM_REGIONS     2
  61
  62 #define SYS_CLCD                0x00
  63 #define         SYS_CLCD_CLCDID_SHIFT   0x08
  64 #define         SYS_CLCD_CLCDID_MASK    0x1f
  65 #define         SYS_CLCD_PWR3V5VSWITCH  (1 << 4)
  66 #define         SYS_CLCD_VDDPOSSWITCH   (1 << 3)
  67 #define         SYS_CLCD_NLCDIOON       (1 << 2)
  68 #define         SYS_CLCD_LCD_MODE_MASK  0x03
  69
  70 #define CLCD_MODE_RGB888        0x0
  71 #define CLCD_MODE_RGB555        0x01
  72 #define CLCD_MODE_RBG565        0x02
  73 #define CLCD_MODE_RGB565        0x03
  74
  75 #define CLCDC_TIMING0           0x00
  76 #define CLCDC_TIMING1           0x04
  77 #define CLCDC_TIMING2           0x08
  78 #define CLCDC_TIMING3           0x0C
  79 #define CLCDC_TIMING3           0x0C
  80 #define CLCDC_UPBASE            0x10
  81 #define CLCDC_LPBASE            0x14
  82 #ifdef PL110_VENDOR_ARM926PXP
  83 #define CLCDC_CONTROL           0x18
  84 #define CLCDC_IMSC              0x1C
  85 #else
  86 #define CLCDC_IMSC              0x18
  87 #define CLCDC_CONTROL           0x1C
  88 #endif
  89 #define         CONTROL_WATERMARK       (1 << 16)
  90 #define         CONTROL_VCOMP_VS        (0 << 12)
  91 #define         CONTROL_VCOMP_BP        (1 << 12)
  92 #define         CONTROL_VCOMP_SAV       (2 << 12)
  93 #define         CONTROL_VCOMP_FP        (3 << 12)
  94 #define         CONTROL_PWR             (1 << 11)
  95 #define         CONTROL_BEPO            (1 << 10)
  96 #define         CONTROL_BEBO            (1 << 9)
  97 #define         CONTROL_BGR             (1 << 8)
  98 #define         CONTROL_DUAL            (1 << 7)
  99 #define         CONTROL_MONO8           (1 << 6)
 100 #define         CONTROL_TFT             (1 << 5)
 101 #define         CONTROL_BW              (1 << 4)
 102 #define         CONTROL_BPP1            (0x00 << 1)
 103 #define         CONTROL_BPP2            (0x01 << 1)
 104 #define         CONTROL_BPP4            (0x02 << 1)
 105 #define         CONTROL_BPP8            (0x03 << 1)
 106 #define         CONTROL_BPP16           (0x04 << 1)
 107 #define         CONTROL_BPP24           (0x05 << 1)
 108 #define         CONTROL_EN      (1 << 0)
 109 #define CLCDC_RIS               0x20
 110 #define CLCDC_MIS               0x24
 111 #define         INTR_MBERR              (1 << 4)
 112 #define         INTR_VCOMP              (1 << 3)
 113 #define         INTR_LNB                (1 << 2)
 114 #define         INTR_FUF                (1 << 1)
 115 #define CLCDC_ICR               0x28
 116
 117 #ifdef DEBUG
 118 #define dprintf(fmt, args...) do { printf("%s(): ", __func__);   \
 119     printf(fmt,##args); } while (0)
 120 #else
 121 #define dprintf(fmt, args...)
 122 #endif
 123
 124 #define versatile_clcdc_sys_read_4(sc, reg)     \
 125         bus_read_4((sc)->mem_res[MEM_SYS], (reg))
 126 #define versatile_clcdc_sys_write_4(sc, reg, val)       \
 127         bus_write_4((sc)->mem_res[MEM_SYS], (reg), (val))
 128
 129 #define versatile_clcdc_read_4(sc, reg) \
 130         bus_read_4((sc)->mem_res[MEM_CLCD], (reg))
 131 #define versatile_clcdc_write_4(sc, reg, val)   \
 132         bus_write_4((sc)->mem_res[MEM_CLCD], (reg), (val))
 133
 134 struct versatile_clcdc_softc {
 135         struct resource*        mem_res[MEM_REGIONS];
 136
 137         struct mtx              mtx;
 138
 139         int                     width;
 140         int                     height;
 141         int                     mode;
 142
 143         bus_dma_tag_t           dma_tag;
 144         bus_dmamap_t            dma_map;
 145         bus_addr_t              fb_phys;
 146         uint8_t                 *fb_base;
 147
 148 };
 149
 150 struct video_adapter_softc {
 151         /* Videoadpater part */
 152         video_adapter_t va;
 153         int             console;
 154
 155         intptr_t        fb_addr;
 156         unsigned int    fb_size;
 157
 158         unsigned int    height;
 159         unsigned int    width;
 160         unsigned int    depth;
 161         unsigned int    stride;
 162
 163         unsigned int    xmargin;
 164         unsigned int    ymargin;
 165
 166         unsigned char   *font;
 167         int             initialized;
 168 };
 169
 170 struct argb {
 171         uint8_t         a;
 172         uint8_t         r;
 173         uint8_t         g;
 174         uint8_t         b;
 175 };
 176
 177 static struct argb versatilefb_palette[16] = {
 178         {0x00, 0x00, 0x00, 0x00},
 179         {0x00, 0x00, 0x00, 0xaa},
 180         {0x00, 0x00, 0xaa, 0x00},
 181         {0x00, 0x00, 0xaa, 0xaa},
 182         {0x00, 0xaa, 0x00, 0x00},
 183         {0x00, 0xaa, 0x00, 0xaa},
 184         {0x00, 0xaa, 0x55, 0x00},
 185         {0x00, 0xaa, 0xaa, 0xaa},
 186         {0x00, 0x55, 0x55, 0x55},
 187         {0x00, 0x55, 0x55, 0xff},
 188         {0x00, 0x55, 0xff, 0x55},
 189         {0x00, 0x55, 0xff, 0xff},
 190         {0x00, 0xff, 0x55, 0x55},
 191         {0x00, 0xff, 0x55, 0xff},
 192         {0x00, 0xff, 0xff, 0x55},
 193         {0x00, 0xff, 0xff, 0xff}
 194 };
 195
 196 /* mouse pointer from dev/syscons/scgfbrndr.c */
 197 static u_char mouse_pointer[16] = {
 198         0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68,
 199         0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00
 200 };
 201
 202 #define FB_WIDTH                640
 203 #define FB_HEIGHT               480
 204 #define FB_DEPTH                16
 205
 206 #define VERSATILE_FONT_HEIGHT   16
 207
 208 static struct video_adapter_softc va_softc;
 209
 210 static struct resource_spec versatile_clcdc_mem_spec[] = {
 211         { SYS_RES_MEMORY, 0, RF_ACTIVE },
 212         { SYS_RES_MEMORY, 1, RF_ACTIVE },
 213         { -1, 0, 0 }
 214 };
 215
 216 static int versatilefb_configure(int);
 217 static void versatilefb_update_margins(video_adapter_t *adp);
 218
 219 static void
 220 versatile_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err)
 221 {
 222         bus_addr_t *addr;
 223
 224         if (err)
 225                 return;
 226
 227         addr = (bus_addr_t*)arg;
 228         *addr = segs[0].ds_addr;
 229 }
 230
 231 static int
 232 versatile_clcdc_probe(device_t dev)
 233 {
 234
 235         if (!ofw_bus_status_okay(dev))
 236                 return (ENXIO);
 237
 238         if (ofw_bus_is_compatible(dev, "arm,pl110")) {
 239                 device_set_desc(dev, "PL110 CLCD controller");
 240                 return (BUS_PROBE_DEFAULT);
 241         }
 242
 243         return (ENXIO);
 244 }
 245
 246 static int
 247 versatile_clcdc_attach(device_t dev)
 248 {
 249         struct versatile_clcdc_softc *sc = device_get_softc(dev);
 250         struct video_adapter_softc *va_sc = &va_softc;
 251         int err;
 252         uint32_t reg;
 253         int clcdid;
 254         int dma_size;
 255
 256         /* Request memory resources */
 257         err = bus_alloc_resources(dev, versatile_clcdc_mem_spec,
 258                 sc->mem_res);
 259         if (err) {
 260                 device_printf(dev, "Error: could not allocate memory resources\n");
 261                 return (ENXIO);
 262         }
 263
 264         reg = versatile_clcdc_sys_read_4(sc, SYS_CLCD);
 265         clcdid = (reg >> SYS_CLCD_CLCDID_SHIFT) & SYS_CLCD_CLCDID_MASK;
 266         switch (clcdid) {
 267                 case 31:
 268                         device_printf(dev, "QEMU VGA 640x480\n");
 269                         sc->width = 640;
 270                         sc->height = 480;
 271                         break;
 272                 default:
 273                         device_printf(dev, "Unsupported: %d\n", clcdid);
 274                         goto fail;
 275         }
 276
 277         reg &= ~SYS_CLCD_LCD_MODE_MASK;
 278         reg |= CLCD_MODE_RGB565;
 279         sc->mode = CLCD_MODE_RGB565;
 280         versatile_clcdc_sys_write_4(sc, SYS_CLCD, reg);
 281         dma_size = sc->width*sc->height*2;
 282
 283         /*
 284          * Power on LCD
 285          */
 286         reg |= SYS_CLCD_PWR3V5VSWITCH | SYS_CLCD_NLCDIOON;
 287         versatile_clcdc_sys_write_4(sc, SYS_CLCD, reg);
 288
 289         /*
 290          * XXX: hardcoded timing for VGA. For other modes/panels
 291          * we need to keep table of timing register values
 292          */
 293         /*
 294          * XXX: set SYS_OSC1
 295          */
 296         versatile_clcdc_write_4(sc, CLCDC_TIMING0, 0x3F1F3F9C);
 297         versatile_clcdc_write_4(sc, CLCDC_TIMING1, 0x090B61DF);
 298         versatile_clcdc_write_4(sc, CLCDC_TIMING2, 0x067F1800);
 299         /* XXX: timing 3? */
 300
 301         /*
 302          * Now allocate framebuffer memory
 303          */
 304         err = bus_dma_tag_create(
 305             bus_get_dma_tag(dev),
 306             4, 0,               /* alignment, boundary */
 307             BUS_SPACE_MAXADDR_32BIT,    /* lowaddr */
 308             BUS_SPACE_MAXADDR,          /* highaddr */
 309             NULL, NULL,                 /* filter, filterarg */
 310             dma_size, 1,                /* maxsize, nsegments */
 311             dma_size, 0,                /* maxsegsize, flags */
 312             NULL, NULL,                 /* lockfunc, lockarg */
 313             &sc->dma_tag);
 314
 315         err = bus_dmamem_alloc(sc->dma_tag, (void **)&sc->fb_base,
 316             0, &sc->dma_map);
 317         if (err) {
 318                 device_printf(dev, "cannot allocate framebuffer\n");
 319                 goto fail;
 320         }
 321
 322         err = bus_dmamap_load(sc->dma_tag, sc->dma_map, sc->fb_base,
 323             dma_size, versatile_fb_dmamap_cb, &sc->fb_phys, BUS_DMA_NOWAIT);
 324
 325         if (err) {
 326                 device_printf(dev, "cannot load DMA map\n");
 327                 goto fail;
 328         }
 329
 330         /* Make sure it's blank */
 331         memset(sc->fb_base, 0x00, dma_size);
 332
 333         versatile_clcdc_write_4(sc, CLCDC_UPBASE, sc->fb_phys);
 334
 335         err = (sc_attach_unit(device_get_unit(dev),
 336             device_get_flags(dev) | SC_AUTODETECT_KBD));
 337
 338         if (err) {
 339                 device_printf(dev, "failed to attach syscons\n");
 340                 goto fail;
 341         }
 342
 343         /*
 344          * XXX: hardcoded for VGA
 345          */
 346         reg = CONTROL_VCOMP_BP | CONTROL_TFT | CONTROL_BGR | CONTROL_EN;
 347         reg |= CONTROL_BPP16;
 348         versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg);
 349         DELAY(20);
 350         reg |= CONTROL_PWR;
 351         versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg);
 352
 353         va_sc->fb_addr = (vm_offset_t)sc->fb_base;
 354         va_sc->fb_size = dma_size;
 355         va_sc->width = sc->width;
 356         va_sc->height = sc->height;
 357         va_sc->depth = 16;
 358         va_sc->stride = sc->width * 2;
 359         versatilefb_update_margins(&va_sc->va);
 360
 361         return (0);
 362
 363 fail:
 364         if (sc->fb_base)
 365                 bus_dmamem_free(sc->dma_tag, sc->fb_base, sc->dma_map);
 366         if (sc->dma_map)
 367                 bus_dmamap_destroy(sc->dma_tag, sc->dma_map);
 368         if (sc->dma_tag)
 369                 bus_dma_tag_destroy(sc->dma_tag);
 370         return (err);
 371 }
 372
 373 static device_method_t versatile_clcdc_methods[] = {
 374         DEVMETHOD(device_probe,         versatile_clcdc_probe),
 375         DEVMETHOD(device_attach,        versatile_clcdc_attach),
 376
 377         DEVMETHOD_END
 378 };
 379
 380 static driver_t versatile_clcdc_driver = {
 381         "clcdc",
 382         versatile_clcdc_methods,
 383         sizeof(struct versatile_clcdc_softc),
 384 };
 385
 386 static devclass_t versatile_clcdc_devclass;
 387
 388 DRIVER_MODULE(versatile_clcdc, simplebus, versatile_clcdc_driver, versatile_clcdc_devclass, 0, 0);
 389
 390 /*
 391  * Video driver routines and glue.
 392  */
 393 static vi_probe_t               versatilefb_probe;
 394 static vi_init_t                versatilefb_init;
 395 static vi_get_info_t            versatilefb_get_info;
 396 static vi_query_mode_t          versatilefb_query_mode;
 397 static vi_set_mode_t            versatilefb_set_mode;
 398 static vi_save_font_t           versatilefb_save_font;
 399 static vi_load_font_t           versatilefb_load_font;
 400 static vi_show_font_t           versatilefb_show_font;
 401 static vi_save_palette_t        versatilefb_save_palette;
 402 static vi_load_palette_t        versatilefb_load_palette;
 403 static vi_set_border_t          versatilefb_set_border;
 404 static vi_save_state_t          versatilefb_save_state;
 405 static vi_load_state_t          versatilefb_load_state;
 406 static vi_set_win_org_t         versatilefb_set_win_org;
 407 static vi_read_hw_cursor_t      versatilefb_read_hw_cursor;
 408 static vi_set_hw_cursor_t       versatilefb_set_hw_cursor;
 409 static vi_set_hw_cursor_shape_t versatilefb_set_hw_cursor_shape;
 410 static vi_blank_display_t       versatilefb_blank_display;
 411 static vi_mmap_t                versatilefb_mmap;
 412 static vi_ioctl_t               versatilefb_ioctl;
 413 static vi_clear_t               versatilefb_clear;
 414 static vi_fill_rect_t           versatilefb_fill_rect;
 415 static vi_bitblt_t              versatilefb_bitblt;
 416 static vi_diag_t                versatilefb_diag;
 417 static vi_save_cursor_palette_t versatilefb_save_cursor_palette;
 418 static vi_load_cursor_palette_t versatilefb_load_cursor_palette;
 419 static vi_copy_t                versatilefb_copy;
 420 static vi_putp_t                versatilefb_putp;
 421 static vi_putc_t                versatilefb_putc;
 422 static vi_puts_t                versatilefb_puts;
 423 static vi_putm_t                versatilefb_putm;
 424
 425 static video_switch_t versatilefbvidsw = {
 426         .probe                  = versatilefb_probe,
 427         .init                   = versatilefb_init,
 428         .get_info               = versatilefb_get_info,
 429         .query_mode             = versatilefb_query_mode,
 430         .set_mode               = versatilefb_set_mode,
 431         .save_font              = versatilefb_save_font,
 432         .load_font              = versatilefb_load_font,
 433         .show_font              = versatilefb_show_font,
 434         .save_palette           = versatilefb_save_palette,
 435         .load_palette           = versatilefb_load_palette,
 436         .set_border             = versatilefb_set_border,
 437         .save_state             = versatilefb_save_state,
 438         .load_state             = versatilefb_load_state,
 439         .set_win_org            = versatilefb_set_win_org,
 440         .read_hw_cursor         = versatilefb_read_hw_cursor,
 441         .set_hw_cursor          = versatilefb_set_hw_cursor,
 442         .set_hw_cursor_shape    = versatilefb_set_hw_cursor_shape,
 443         .blank_display          = versatilefb_blank_display,
 444         .mmap                   = versatilefb_mmap,
 445         .ioctl                  = versatilefb_ioctl,
 446         .clear                  = versatilefb_clear,
 447         .fill_rect              = versatilefb_fill_rect,
 448         .bitblt                 = versatilefb_bitblt,
 449         .diag                   = versatilefb_diag,
 450         .save_cursor_palette    = versatilefb_save_cursor_palette,
 451         .load_cursor_palette    = versatilefb_load_cursor_palette,
 452         .copy                   = versatilefb_copy,
 453         .putp                   = versatilefb_putp,
 454         .putc                   = versatilefb_putc,
 455         .puts                   = versatilefb_puts,
 456         .putm                   = versatilefb_putm,
 457 };
 458
 459 VIDEO_DRIVER(versatilefb, versatilefbvidsw, versatilefb_configure);
 460
 461 static vr_init_t clcdr_init;
 462 static vr_clear_t clcdr_clear;
 463 static vr_draw_border_t clcdr_draw_border;
 464 static vr_draw_t clcdr_draw;
 465 static vr_set_cursor_t clcdr_set_cursor;
 466 static vr_draw_cursor_t clcdr_draw_cursor;
 467 static vr_blink_cursor_t clcdr_blink_cursor;
 468 static vr_set_mouse_t clcdr_set_mouse;
 469 static vr_draw_mouse_t clcdr_draw_mouse;
 470
 471 /*
 472  * We use our own renderer; this is because we must emulate a hardware
 473  * cursor.
 474  */
 475 static sc_rndr_sw_t clcdrend = {
 476         clcdr_init,
 477         clcdr_clear,
 478         clcdr_draw_border,
 479         clcdr_draw,
 480         clcdr_set_cursor,
 481         clcdr_draw_cursor,
 482         clcdr_blink_cursor,
 483         clcdr_set_mouse,
 484         clcdr_draw_mouse
 485 };
 486
 487 RENDERER(versatilefb, 0, clcdrend, gfb_set);
 488 RENDERER_MODULE(versatilefb, gfb_set);
 489
 490 static void
 491 clcdr_init(scr_stat* scp)
 492 {
 493 }
 494
 495 static void
 496 clcdr_clear(scr_stat* scp, int c, int attr)
 497 {
 498 }
 499
 500 static void
 501 clcdr_draw_border(scr_stat* scp, int color)
 502 {
 503 }
 504
 505 static void
 506 clcdr_draw(scr_stat* scp, int from, int count, int flip)
 507 {
 508         video_adapter_t* adp = scp->sc->adp;
 509         int i, c, a;
 510
 511         if (!flip) {
 512                 /* Normal printing */
 513                 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count);
 514         } else {
 515                 /* This is for selections and such: invert the color attribute */
 516                 for (i = count; i-- > 0; ++from) {
 517                         c = sc_vtb_getc(&scp->vtb, from);
 518                         a = sc_vtb_geta(&scp->vtb, from) >> 8;
 519                         vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4));
 520                 }
 521         }
 522 }
 523
 524 static void
 525 clcdr_set_cursor(scr_stat* scp, int base, int height, int blink)
 526 {
 527 }
 528
 529 static void
 530 clcdr_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip)
 531 {
 532         video_adapter_t* adp = scp->sc->adp;
 533         struct video_adapter_softc *sc;
 534         int row, col;
 535         uint8_t *addr;
 536         int i,j;
 537
 538         sc = (struct video_adapter_softc *)adp;
 539
 540         if (scp->curs_attr.height <= 0)
 541                 return;
 542
 543         if (sc->fb_addr == 0)
 544                 return;
 545
 546         if (off >= adp->va_info.vi_width * adp->va_info.vi_height)
 547                 return;
 548
 549         /* calculate the coordinates in the video buffer */
 550         row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
 551         col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
 552
 553         addr = (uint8_t *)sc->fb_addr
 554             + (row + sc->ymargin)*(sc->stride)
 555             + (sc->depth/8) * (col + sc->xmargin);
 556
 557         /* our cursor consists of simply inverting the char under it */
 558         for (i = 0; i < adp->va_info.vi_cheight; i++) {
 559                 for (j = 0; j < adp->va_info.vi_cwidth; j++) {
 560
 561                         addr[2*j] ^= 0xff;
 562                         addr[2*j + 1] ^= 0xff;
 563                 }
 564
 565                 addr += sc->stride;
 566         }
 567 }
 568
 569 static void
 570 clcdr_blink_cursor(scr_stat* scp, int at, int flip)
 571 {
 572 }
 573
 574 static void
 575 clcdr_set_mouse(scr_stat* scp)
 576 {
 577 }
 578
 579 static void
 580 clcdr_draw_mouse(scr_stat* scp, int x, int y, int on)
 581 {
 582         vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8);
 583
 584 }
 585
 586 static uint16_t versatilefb_static_window[ROW*COL];
 587 extern u_char dflt_font_16[];
 588
 589 /*
 590  * Update videoadapter settings after changing resolution
 591  */
 592 static void
 593 versatilefb_update_margins(video_adapter_t *adp)
 594 {
 595         struct video_adapter_softc *sc;
 596         video_info_t *vi;
 597
 598         sc = (struct video_adapter_softc *)adp;
 599         vi = &adp->va_info;
 600
 601         sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
 602         sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
 603 }
 604
 605 static int
 606 versatilefb_configure(int flags)
 607 {
 608         struct video_adapter_softc *va_sc;
 609
 610         va_sc = &va_softc;
 611
 612         if (va_sc->initialized)
 613                 return (0);
 614
 615         va_sc->width = FB_WIDTH;
 616         va_sc->height = FB_HEIGHT;
 617         va_sc->depth = FB_DEPTH;
 618
 619         versatilefb_init(0, &va_sc->va, 0);
 620
 621         va_sc->initialized = 1;
 622
 623         return (0);
 624 }
 625
 626 static int
 627 versatilefb_probe(int unit, video_adapter_t **adp, void *arg, int flags)
 628 {
 629
 630         return (0);
 631 }
 632
 633 static int
 634 versatilefb_init(int unit, video_adapter_t *adp, int flags)
 635 {
 636         struct video_adapter_softc *sc;
 637         video_info_t *vi;
 638
 639         sc = (struct video_adapter_softc *)adp;
 640         vi = &adp->va_info;
 641
 642         vid_init_struct(adp, "versatilefb", -1, unit);
 643
 644         sc->font = dflt_font_16;
 645         vi->vi_cheight = VERSATILE_FONT_HEIGHT;
 646         vi->vi_cwidth = 8;
 647
 648         vi->vi_width = sc->width/8;
 649         vi->vi_height = sc->height/vi->vi_cheight;
 650
 651         /*
 652          * Clamp width/height to syscons maximums
 653          */
 654         if (vi->vi_width > COL)
 655                 vi->vi_width = COL;
 656         if (vi->vi_height > ROW)
 657                 vi->vi_height = ROW;
 658
 659         sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
 660         sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
 661
 662
 663         adp->va_window = (vm_offset_t) versatilefb_static_window;
 664         adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */;
 665
 666         vid_register(&sc->va);
 667
 668         return (0);
 669 }
 670
 671 static int
 672 versatilefb_get_info(video_adapter_t *adp, int mode, video_info_t *info)
 673 {
 674         bcopy(&adp->va_info, info, sizeof(*info));
 675         return (0);
 676 }
 677
 678 static int
 679 versatilefb_query_mode(video_adapter_t *adp, video_info_t *info)
 680 {
 681         return (0);
 682 }
 683
 684 static int
 685 versatilefb_set_mode(video_adapter_t *adp, int mode)
 686 {
 687         return (0);
 688 }
 689
 690 static int
 691 versatilefb_save_font(video_adapter_t *adp, int page, int size, int width,
 692     u_char *data, int c, int count)
 693 {
 694         return (0);
 695 }
 696
 697 static int
 698 versatilefb_load_font(video_adapter_t *adp, int page, int size, int width,
 699     u_char *data, int c, int count)
 700 {
 701         struct video_adapter_softc *sc = (struct video_adapter_softc *)adp;
 702
 703         sc->font = data;
 704
 705         return (0);
 706 }
 707
 708 static int
 709 versatilefb_show_font(video_adapter_t *adp, int page)
 710 {
 711         return (0);
 712 }
 713
 714 static int
 715 versatilefb_save_palette(video_adapter_t *adp, u_char *palette)
 716 {
 717         return (0);
 718 }
 719
 720 static int
 721 versatilefb_load_palette(video_adapter_t *adp, u_char *palette)
 722 {
 723         return (0);
 724 }
 725
 726 static int
 727 versatilefb_set_border(video_adapter_t *adp, int border)
 728 {
 729         return (versatilefb_blank_display(adp, border));
 730 }
 731
 732 static int
 733 versatilefb_save_state(video_adapter_t *adp, void *p, size_t size)
 734 {
 735         return (0);
 736 }
 737
 738 static int
 739 versatilefb_load_state(video_adapter_t *adp, void *p)
 740 {
 741         return (0);
 742 }
 743
 744 static int
 745 versatilefb_set_win_org(video_adapter_t *adp, off_t offset)
 746 {
 747         return (0);
 748 }
 749
 750 static int
 751 versatilefb_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
 752 {
 753         *col = *row = 0;
 754
 755         return (0);
 756 }
 757
 758 static int
 759 versatilefb_set_hw_cursor(video_adapter_t *adp, int col, int row)
 760 {
 761
 762         return (0);
 763 }
 764
 765 static int
 766 versatilefb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
 767     int celsize, int blink)
 768 {
 769         return (0);
 770 }
 771
 772 static int
 773 versatilefb_blank_display(video_adapter_t *adp, int mode)
 774 {
 775
 776         struct video_adapter_softc *sc;
 777
 778         sc = (struct video_adapter_softc *)adp;
 779         if (sc && sc->fb_addr)
 780                 memset((void*)sc->fb_addr, 0, sc->fb_size);
 781
 782         return (0);
 783 }
 784
 785 static int
 786 versatilefb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr,
 787     int prot, vm_memattr_t *memattr)
 788 {
 789         struct video_adapter_softc *sc;
 790
 791         sc = (struct video_adapter_softc *)adp;
 792
 793         /*
 794          * This might be a legacy VGA mem request: if so, just point it at the
 795          * framebuffer, since it shouldn't be touched
 796          */
 797         if (offset < sc->stride*sc->height) {
 798                 *paddr = sc->fb_addr + offset;
 799                 return (0);
 800         }
 801
 802         return (EINVAL);
 803 }
 804
 805 static int
 806 versatilefb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
 807 {
 808
 809         return (0);
 810 }
 811
 812 static int
 813 versatilefb_clear(video_adapter_t *adp)
 814 {
 815
 816         return (versatilefb_blank_display(adp, 0));
 817 }
 818
 819 static int
 820 versatilefb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
 821 {
 822
 823         return (0);
 824 }
 825
 826 static int
 827 versatilefb_bitblt(video_adapter_t *adp, ...)
 828 {
 829
 830         return (0);
 831 }
 832
 833 static int
 834 versatilefb_diag(video_adapter_t *adp, int level)
 835 {
 836
 837         return (0);
 838 }
 839
 840 static int
 841 versatilefb_save_cursor_palette(video_adapter_t *adp, u_char *palette)
 842 {
 843
 844         return (0);
 845 }
 846
 847 static int
 848 versatilefb_load_cursor_palette(video_adapter_t *adp, u_char *palette)
 849 {
 850
 851         return (0);
 852 }
 853
 854 static int
 855 versatilefb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
 856 {
 857
 858         return (0);
 859 }
 860
 861 static int
 862 versatilefb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a,
 863     int size, int bpp, int bit_ltor, int byte_ltor)
 864 {
 865
 866         return (0);
 867 }
 868
 869 static int
 870 versatilefb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
 871 {
 872         struct video_adapter_softc *sc;
 873         int row;
 874         int col;
 875         int i, j, k;
 876         uint8_t *addr;
 877         u_char *p;
 878         uint8_t fg, bg, color;
 879         uint16_t rgb;
 880
 881         sc = (struct video_adapter_softc *)adp;
 882
 883         if (sc->fb_addr == 0)
 884                 return (0);
 885
 886         if (off >= adp->va_info.vi_width * adp->va_info.vi_height)
 887                 return (0);
 888
 889         row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
 890         col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
 891         p = sc->font + c*VERSATILE_FONT_HEIGHT;
 892         addr = (uint8_t *)sc->fb_addr
 893             + (row + sc->ymargin)*(sc->stride)
 894             + (sc->depth/8) * (col + sc->xmargin);
 895
 896         fg = a & 0xf ;
 897         bg = (a >> 4) & 0xf;
 898
 899         for (i = 0; i < VERSATILE_FONT_HEIGHT; i++) {
 900                 for (j = 0, k = 7; j < 8; j++, k--) {
 901                         if ((p[i] & (1 << k)) == 0)
 902                                 color = bg;
 903                         else
 904                                 color = fg;
 905
 906                         switch (sc->depth) {
 907                         case 16:
 908                                 rgb = (versatilefb_palette[color].r >> 3) << 11;
 909                                 rgb |= (versatilefb_palette[color].g >> 2) << 5;
 910                                 rgb |= (versatilefb_palette[color].b >> 3);
 911                                 addr[2*j] = rgb & 0xff;
 912                                 addr[2*j + 1] = (rgb >> 8) & 0xff;
 913                         default:
 914                                 /* Not supported yet */
 915                                 break;
 916                         }
 917                 }
 918
 919                 addr += (sc->stride);
 920         }
 921
 922         return (0);
 923 }
 924
 925 static int
 926 versatilefb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
 927 {
 928         int i;
 929
 930         for (i = 0; i < len; i++)
 931                 versatilefb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8);
 932
 933         return (0);
 934 }
 935
 936 static int
 937 versatilefb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
 938     uint32_t pixel_mask, int size, int width)
 939 {
 940
 941         return (0);
 942 }
 943
 944 /*
 945  * Define a stub keyboard driver in case one hasn't been
 946  * compiled into the kernel
 947  */
 948 #include <sys/kbio.h>
 949 #include <dev/kbd/kbdreg.h>
 950
 951 static int dummy_kbd_configure(int flags);
 952
 953 keyboard_switch_t bcmdummysw;
 954
 955 static int
 956 dummy_kbd_configure(int flags)
 957 {
 958
 959         return (0);
 960 }
 961 KEYBOARD_DRIVER(bcmdummy, bcmdummysw, dummy_kbd_configure);