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