sys/arm/freescale/imx/imx51_ipuv3.c

   1 /*-
   2  * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org>
   3  * Copyright (c) 2012, 2013 The FreeBSD Foundation
   4  * All rights reserved.
   5  *
   6  * Portions of this software were developed by Oleksandr Rybalko
   7  * under sponsorship from the FreeBSD Foundation.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  *
  30  */
  31 #include <sys/cdefs.h>
  32 __FBSDID("$FreeBSD$");
  33
  34 #include <sys/param.h>
  35 #include <sys/systm.h>
  36 #include <sys/bio.h>
  37 #include <sys/bus.h>
  38 #include <sys/conf.h>
  39 #include <sys/endian.h>
  40 #include <sys/kernel.h>
  41 #include <sys/kthread.h>
  42 #include <sys/lock.h>
  43 #include <sys/malloc.h>
  44 #include <sys/module.h>
  45 #include <sys/mutex.h>
  46 #include <sys/queue.h>
  47 #include <sys/resource.h>
  48 #include <sys/rman.h>
  49 #include <sys/time.h>
  50 #include <sys/timetc.h>
  51 #include <sys/fbio.h>
  52 #include <sys/consio.h>
  53
  54 #include <sys/kdb.h>
  55
  56 #include <machine/bus.h>
  57 #include <machine/cpu.h>
  58 #include <machine/cpufunc.h>
  59 #include <machine/fdt.h>
  60 #include <machine/resource.h>
  61 #include <machine/intr.h>
  62
  63 #include <dev/fdt/fdt_common.h>
  64 #include <dev/ofw/ofw_bus.h>
  65 #include <dev/ofw/ofw_bus_subr.h>
  66
  67 #include <dev/fb/fbreg.h>
  68 #include <dev/syscons/syscons.h>
  69
  70 #include <arm/freescale/imx/imx51_ccmvar.h>
  71
  72 #include <arm/freescale/imx/imx51_ipuv3reg.h>
  73
  74 #define IMX51_IPU_HSP_CLOCK     665000000
  75 #define IPU3FB_FONT_HEIGHT      16
  76
  77 struct ipu3sc_softc {
  78         device_t                dev;
  79         bus_addr_t              pbase;
  80         bus_addr_t              vbase;
  81
  82         bus_space_tag_t         iot;
  83         bus_space_handle_t      ioh;
  84         bus_space_handle_t      cm_ioh;
  85         bus_space_handle_t      dp_ioh;
  86         bus_space_handle_t      di0_ioh;
  87         bus_space_handle_t      di1_ioh;
  88         bus_space_handle_t      dctmpl_ioh;
  89         bus_space_handle_t      dc_ioh;
  90         bus_space_handle_t      dmfc_ioh;
  91         bus_space_handle_t      idmac_ioh;
  92         bus_space_handle_t      cpmem_ioh;
  93 };
  94
  95 struct video_adapter_softc {
  96         /* Videoadpater part */
  97         video_adapter_t va;
  98
  99         intptr_t        fb_addr;
 100         intptr_t        fb_paddr;
 101         unsigned int    fb_size;
 102
 103         int             bpp;
 104         int             depth;
 105         unsigned int    height;
 106         unsigned int    width;
 107         unsigned int    stride;
 108
 109         unsigned int    xmargin;
 110         unsigned int    ymargin;
 111
 112         unsigned char   *font;
 113         int             initialized;
 114 };
 115
 116 static struct ipu3sc_softc *ipu3sc_softc;
 117 static struct video_adapter_softc va_softc;
 118
 119 /* FIXME: not only 2 bytes color supported */
 120 static uint16_t colors[16] = {
 121         0x0000, /* black */
 122         0x001f, /* blue */
 123         0x07e0, /* green */
 124         0x07ff, /* cyan */
 125         0xf800, /* red */
 126         0xf81f, /* magenta */
 127         0x3800, /* brown */
 128         0xc618, /* light grey */
 129         0xc618, /* XXX: dark grey */
 130         0x001f, /* XXX: light blue */
 131         0x07e0, /* XXX: light green */
 132         0x07ff, /* XXX: light cyan */
 133         0xf800, /* XXX: light red */
 134         0xf81f, /* XXX: light magenta */
 135         0xffe0, /* yellow */
 136         0xffff, /* white */
 137 };
 138 static uint32_t colors_24[16] = {
 139         0x000000,/* Black       */
 140         0x000080,/* Blue        */
 141         0x008000,/* Green       */
 142         0x008080,/* Cyan        */
 143         0x800000,/* Red         */
 144         0x800080,/* Magenta     */
 145         0xcc6600,/* brown       */
 146         0xC0C0C0,/* Silver      */
 147         0x808080,/* Gray        */
 148         0x0000FF,/* Light Blue  */
 149         0x00FF00,/* Light Green */
 150         0x00FFFF,/* Light Cyan  */
 151         0xFF0000,/* Light Red   */
 152         0xFF00FF,/* Light Magenta */
 153         0xFFFF00,/* Yellow      */
 154         0xFFFFFF,/* White       */
 155
 156
 157 };
 158
 159 #define IPUV3_READ(ipuv3, module, reg)                                  \
 160         bus_space_read_4((ipuv3)->iot, (ipuv3)->module##_ioh, (reg))
 161 #define IPUV3_WRITE(ipuv3, module, reg, val)                            \
 162         bus_space_write_4((ipuv3)->iot, (ipuv3)->module##_ioh, (reg), (val))
 163
 164 #define CPMEM_CHANNEL_OFFSET(_c)        ((_c) * 0x40)
 165 #define CPMEM_WORD_OFFSET(_w)           ((_w) * 0x20)
 166 #define CPMEM_DP_OFFSET(_d)             ((_d) * 0x10000)
 167 #define IMX_IPU_DP0             0
 168 #define IMX_IPU_DP1             1
 169 #define CPMEM_CHANNEL(_dp, _ch, _w)                                     \
 170             (CPMEM_DP_OFFSET(_dp) + CPMEM_CHANNEL_OFFSET(_ch) +         \
 171                 CPMEM_WORD_OFFSET(_w))
 172 #define CPMEM_OFFSET(_dp, _ch, _w, _o)                                  \
 173             (CPMEM_CHANNEL((_dp), (_ch), (_w)) + (_o))
 174
 175 #define IPUV3_DEBUG 100
 176
 177 #ifdef IPUV3_DEBUG
 178 #define SUBMOD_DUMP_REG(_sc, _m, _l)                                    \
 179         {                                                               \
 180                 int i;                                                  \
 181                 printf("*** " #_m " ***\n");                            \
 182                 for (i = 0; i <= (_l); i += 4) {                        \
 183                         if ((i % 32) == 0)                              \
 184                                 printf("%04x: ", i & 0xffff);           \
 185                         printf("0x%08x%c", IPUV3_READ((_sc), _m, i),    \
 186                             ((i + 4) % 32)?' ':'\n');                   \
 187                 }                                                       \
 188                 printf("\n");                                           \
 189         }
 190 #endif
 191
 192 #ifdef IPUV3_DEBUG
 193 int ipuv3_debug = IPUV3_DEBUG;
 194 #define DPRINTFN(n,x)   if (ipuv3_debug>(n)) printf x; else
 195 #else
 196 #define DPRINTFN(n,x)
 197 #endif
 198
 199 static int      ipu3_fb_probe(device_t);
 200 static int      ipu3_fb_attach(device_t);
 201
 202 static int
 203 ipu3_fb_malloc(struct ipu3sc_softc *sc, size_t size)
 204 {
 205
 206         sc->vbase = (uint32_t)contigmalloc(size, M_DEVBUF, M_ZERO, 0, ~0,
 207             PAGE_SIZE, 0);
 208         sc->pbase = vtophys(sc->vbase);
 209
 210         return (0);
 211 }
 212
 213 static void
 214 ipu3_fb_init(void *arg)
 215 {
 216         struct ipu3sc_softc *sc = arg;
 217         struct video_adapter_softc *va_sc = &va_softc;
 218         uint64_t w0sh96;
 219         uint32_t w1sh96;
 220
 221         /* FW W0[137:125] - 96 = [41:29] */
 222         /* FH W0[149:138] - 96 = [53:42] */
 223         w0sh96 = IPUV3_READ(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 0, 16));
 224         w0sh96 <<= 32;
 225         w0sh96 |= IPUV3_READ(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 0, 12));
 226
 227         va_sc->width = ((w0sh96 >> 29) & 0x1fff) + 1;
 228         va_sc->height = ((w0sh96 >> 42) & 0x0fff) + 1;
 229
 230         /* SLY W1[115:102] - 96 = [19:6] */
 231         w1sh96 = IPUV3_READ(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 1, 12));
 232         va_sc->stride = ((w1sh96 >> 6) & 0x3fff) + 1;
 233
 234         printf("%dx%d [%d]\n", va_sc->width, va_sc->height, va_sc->stride);
 235         va_sc->fb_size = va_sc->height * va_sc->stride;
 236
 237         ipu3_fb_malloc(sc, va_sc->fb_size);
 238
 239         /* DP1 + config_ch_23 + word_2 */
 240         IPUV3_WRITE(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 1, 0),
 241             ((sc->pbase >> 3) | ((sc->pbase >> 3) << 29)) & 0xffffffff);
 242
 243         IPUV3_WRITE(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 1, 4),
 244             ((sc->pbase >> 3) >> 3) & 0xffffffff);
 245
 246         va_sc->fb_addr = (intptr_t)sc->vbase;
 247         va_sc->fb_paddr = (intptr_t)sc->pbase;
 248         va_sc->bpp = va_sc->stride / va_sc->width;
 249         va_sc->depth = va_sc->bpp * 8;
 250 }
 251
 252 static int
 253 ipu3_fb_probe(device_t dev)
 254 {
 255         int error;
 256
 257         if (!ofw_bus_status_okay(dev))
 258                 return (ENXIO);
 259
 260         if (!ofw_bus_is_compatible(dev, "fsl,ipu3"))
 261                 return (ENXIO);
 262
 263         device_set_desc(dev, "i.MX5x Image Processing Unit v3 (FB)");
 264
 265         error = sc_probe_unit(device_get_unit(dev),
 266             device_get_flags(dev) | SC_AUTODETECT_KBD);
 267
 268         if (error != 0)
 269                 return (error);
 270
 271         return (BUS_PROBE_DEFAULT);
 272 }
 273
 274 static int
 275 ipu3_fb_attach(device_t dev)
 276 {
 277         struct ipu3sc_softc *sc = device_get_softc(dev);
 278         bus_space_tag_t iot;
 279         bus_space_handle_t ioh;
 280         phandle_t node;
 281         pcell_t reg;
 282         int err;
 283         uintptr_t base;
 284
 285         if (ipu3sc_softc)
 286                 return (ENXIO);
 287
 288         ipu3sc_softc = sc;
 289
 290         if (bootverbose)
 291                 device_printf(dev, "clock gate status is %d\n",
 292                     imx51_get_clk_gating(IMX51CLK_IPU_HSP_CLK_ROOT));
 293
 294         sc->dev = dev;
 295
 296         err = (sc_attach_unit(device_get_unit(dev),
 297             device_get_flags(dev) | SC_AUTODETECT_KBD));
 298
 299         if (err) {
 300                 device_printf(dev, "failed to attach syscons\n");
 301                 goto fail;
 302         }
 303
 304         sc = device_get_softc(dev);
 305         sc->iot = iot = fdtbus_bs_tag;
 306
 307         /*
 308          * Retrieve the device address based on the start address in the
 309          * DTS.  The DTS for i.MX51 specifies 0x5e000000 as the first register
 310          * address, so we just subtract IPU_CM_BASE to get the offset at which
 311          * the IPU device was memory mapped.
 312          * On i.MX53, the offset is 0.
 313          */
 314         node = ofw_bus_get_node(dev);
 315         if ((OF_getprop(node, "reg", &reg, sizeof(reg))) <= 0)
 316                 base = 0;
 317         else
 318                 base = fdt32_to_cpu(reg) - IPU_CM_BASE(0);
 319         /* map controller registers */
 320         err = bus_space_map(iot, IPU_CM_BASE(base), IPU_CM_SIZE, 0, &ioh);
 321         if (err)
 322                 goto fail_retarn_cm;
 323         sc->cm_ioh = ioh;
 324
 325         /* map Display Multi FIFO Controller registers */
 326         err = bus_space_map(iot, IPU_DMFC_BASE(base), IPU_DMFC_SIZE, 0, &ioh);
 327         if (err)
 328                 goto fail_retarn_dmfc;
 329         sc->dmfc_ioh = ioh;
 330
 331         /* map Display Interface 0 registers */
 332         err = bus_space_map(iot, IPU_DI0_BASE(base), IPU_DI0_SIZE, 0, &ioh);
 333         if (err)
 334                 goto fail_retarn_di0;
 335         sc->di0_ioh = ioh;
 336
 337         /* map Display Interface 1 registers */
 338         err = bus_space_map(iot, IPU_DI1_BASE(base), IPU_DI0_SIZE, 0, &ioh);
 339         if (err)
 340                 goto fail_retarn_di1;
 341         sc->di1_ioh = ioh;
 342
 343         /* map Display Processor registers */
 344         err = bus_space_map(iot, IPU_DP_BASE(base), IPU_DP_SIZE, 0, &ioh);
 345         if (err)
 346                 goto fail_retarn_dp;
 347         sc->dp_ioh = ioh;
 348
 349         /* map Display Controller registers */
 350         err = bus_space_map(iot, IPU_DC_BASE(base), IPU_DC_SIZE, 0, &ioh);
 351         if (err)
 352                 goto fail_retarn_dc;
 353         sc->dc_ioh = ioh;
 354
 355         /* map Image DMA Controller registers */
 356         err = bus_space_map(iot, IPU_IDMAC_BASE(base), IPU_IDMAC_SIZE, 0,
 357             &ioh);
 358         if (err)
 359                 goto fail_retarn_idmac;
 360         sc->idmac_ioh = ioh;
 361
 362         /* map CPMEM registers */
 363         err = bus_space_map(iot, IPU_CPMEM_BASE(base), IPU_CPMEM_SIZE, 0,
 364             &ioh);
 365         if (err)
 366                 goto fail_retarn_cpmem;
 367         sc->cpmem_ioh = ioh;
 368
 369         /* map DCTEMPL registers */
 370         err = bus_space_map(iot, IPU_DCTMPL_BASE(base), IPU_DCTMPL_SIZE, 0,
 371             &ioh);
 372         if (err)
 373                 goto fail_retarn_dctmpl;
 374         sc->dctmpl_ioh = ioh;
 375
 376 #ifdef notyet
 377         sc->ih = imx51_ipuv3_intr_establish(IMX51_INT_IPUV3, IPL_BIO,
 378             ipuv3intr, sc);
 379         if (sc->ih == NULL) {
 380                 device_printf(sc->dev,
 381                     "unable to establish interrupt at irq %d\n",
 382                     IMX51_INT_IPUV3);
 383                 return (ENXIO);
 384         }
 385 #endif
 386
 387         /*
 388          * We have to wait until interrupts are enabled.
 389          * Mailbox relies on it to get data from VideoCore
 390          */
 391         ipu3_fb_init(sc);
 392
 393         return (0);
 394
 395 fail:
 396         return (ENXIO);
 397 fail_retarn_dctmpl:
 398         bus_space_unmap(sc->iot, sc->cpmem_ioh, IPU_CPMEM_SIZE);
 399 fail_retarn_cpmem:
 400         bus_space_unmap(sc->iot, sc->idmac_ioh, IPU_IDMAC_SIZE);
 401 fail_retarn_idmac:
 402         bus_space_unmap(sc->iot, sc->dc_ioh, IPU_DC_SIZE);
 403 fail_retarn_dp:
 404         bus_space_unmap(sc->iot, sc->dp_ioh, IPU_DP_SIZE);
 405 fail_retarn_dc:
 406         bus_space_unmap(sc->iot, sc->di1_ioh, IPU_DI1_SIZE);
 407 fail_retarn_di1:
 408         bus_space_unmap(sc->iot, sc->di0_ioh, IPU_DI0_SIZE);
 409 fail_retarn_di0:
 410         bus_space_unmap(sc->iot, sc->dmfc_ioh, IPU_DMFC_SIZE);
 411 fail_retarn_dmfc:
 412         bus_space_unmap(sc->iot, sc->dc_ioh, IPU_CM_SIZE);
 413 fail_retarn_cm:
 414         device_printf(sc->dev,
 415             "failed to map registers (errno=%d)\n", err);
 416         return (err);
 417 }
 418
 419 static device_method_t ipu3_fb_methods[] = {
 420         /* Device interface */
 421         DEVMETHOD(device_probe,         ipu3_fb_probe),
 422         DEVMETHOD(device_attach,        ipu3_fb_attach),
 423
 424         { 0, 0 }
 425 };
 426
 427 static devclass_t ipu3_fb_devclass;
 428
 429 static driver_t ipu3_fb_driver = {
 430         "fb",
 431         ipu3_fb_methods,
 432         sizeof(struct ipu3sc_softc),
 433 };
 434
 435 DRIVER_MODULE(ipu3fb, simplebus, ipu3_fb_driver, ipu3_fb_devclass, 0, 0);
 436
 437 /*
 438  * Video driver routines and glue.
 439  */
 440 static int                      ipu3fb_configure(int);
 441 static vi_probe_t               ipu3fb_probe;
 442 static vi_init_t                ipu3fb_init;
 443 static vi_get_info_t            ipu3fb_get_info;
 444 static vi_query_mode_t          ipu3fb_query_mode;
 445 static vi_set_mode_t            ipu3fb_set_mode;
 446 static vi_save_font_t           ipu3fb_save_font;
 447 static vi_load_font_t           ipu3fb_load_font;
 448 static vi_show_font_t           ipu3fb_show_font;
 449 static vi_save_palette_t        ipu3fb_save_palette;
 450 static vi_load_palette_t        ipu3fb_load_palette;
 451 static vi_set_border_t          ipu3fb_set_border;
 452 static vi_save_state_t          ipu3fb_save_state;
 453 static vi_load_state_t          ipu3fb_load_state;
 454 static vi_set_win_org_t         ipu3fb_set_win_org;
 455 static vi_read_hw_cursor_t      ipu3fb_read_hw_cursor;
 456 static vi_set_hw_cursor_t       ipu3fb_set_hw_cursor;
 457 static vi_set_hw_cursor_shape_t ipu3fb_set_hw_cursor_shape;
 458 static vi_blank_display_t       ipu3fb_blank_display;
 459 static vi_mmap_t                ipu3fb_mmap;
 460 static vi_ioctl_t               ipu3fb_ioctl;
 461 static vi_clear_t               ipu3fb_clear;
 462 static vi_fill_rect_t           ipu3fb_fill_rect;
 463 static vi_bitblt_t              ipu3fb_bitblt;
 464 static vi_diag_t                ipu3fb_diag;
 465 static vi_save_cursor_palette_t ipu3fb_save_cursor_palette;
 466 static vi_load_cursor_palette_t ipu3fb_load_cursor_palette;
 467 static vi_copy_t                ipu3fb_copy;
 468 static vi_putp_t                ipu3fb_putp;
 469 static vi_putc_t                ipu3fb_putc;
 470 static vi_puts_t                ipu3fb_puts;
 471 static vi_putm_t                ipu3fb_putm;
 472
 473 static video_switch_t ipu3fbvidsw = {
 474         .probe                  = ipu3fb_probe,
 475         .init                   = ipu3fb_init,
 476         .get_info               = ipu3fb_get_info,
 477         .query_mode             = ipu3fb_query_mode,
 478         .set_mode               = ipu3fb_set_mode,
 479         .save_font              = ipu3fb_save_font,
 480         .load_font              = ipu3fb_load_font,
 481         .show_font              = ipu3fb_show_font,
 482         .save_palette           = ipu3fb_save_palette,
 483         .load_palette           = ipu3fb_load_palette,
 484         .set_border             = ipu3fb_set_border,
 485         .save_state             = ipu3fb_save_state,
 486         .load_state             = ipu3fb_load_state,
 487         .set_win_org            = ipu3fb_set_win_org,
 488         .read_hw_cursor         = ipu3fb_read_hw_cursor,
 489         .set_hw_cursor          = ipu3fb_set_hw_cursor,
 490         .set_hw_cursor_shape    = ipu3fb_set_hw_cursor_shape,
 491         .blank_display          = ipu3fb_blank_display,
 492         .mmap                   = ipu3fb_mmap,
 493         .ioctl                  = ipu3fb_ioctl,
 494         .clear                  = ipu3fb_clear,
 495         .fill_rect              = ipu3fb_fill_rect,
 496         .bitblt                 = ipu3fb_bitblt,
 497         .diag                   = ipu3fb_diag,
 498         .save_cursor_palette    = ipu3fb_save_cursor_palette,
 499         .load_cursor_palette    = ipu3fb_load_cursor_palette,
 500         .copy                   = ipu3fb_copy,
 501         .putp                   = ipu3fb_putp,
 502         .putc                   = ipu3fb_putc,
 503         .puts                   = ipu3fb_puts,
 504         .putm                   = ipu3fb_putm,
 505 };
 506
 507 VIDEO_DRIVER(ipu3fb, ipu3fbvidsw, ipu3fb_configure);
 508
 509 extern sc_rndr_sw_t txtrndrsw;
 510 RENDERER(ipu3fb, 0, txtrndrsw, gfb_set);
 511 RENDERER_MODULE(ipu3fb, gfb_set);
 512
 513 static uint16_t ipu3fb_static_window[ROW*COL];
 514 extern u_char dflt_font_16[];
 515
 516 static int
 517 ipu3fb_configure(int flags)
 518 {
 519         struct video_adapter_softc *sc;
 520
 521         sc = &va_softc;
 522
 523         if (sc->initialized)
 524                 return 0;
 525
 526         sc->width = 640;
 527         sc->height = 480;
 528         sc->bpp = 2;
 529         sc->stride = sc->width * sc->bpp;
 530
 531         ipu3fb_init(0, &sc->va, 0);
 532
 533         sc->initialized = 1;
 534
 535         return (0);
 536 }
 537
 538 static int
 539 ipu3fb_probe(int unit, video_adapter_t **adp, void *arg, int flags)
 540 {
 541
 542         return (0);
 543 }
 544
 545 static int
 546 ipu3fb_init(int unit, video_adapter_t *adp, int flags)
 547 {
 548         struct video_adapter_softc *sc;
 549         video_info_t *vi;
 550
 551         sc = (struct video_adapter_softc *)adp;
 552         vi = &adp->va_info;
 553
 554         vid_init_struct(adp, "ipu3fb", -1, unit);
 555
 556         sc->font = dflt_font_16;
 557         vi->vi_cheight = IPU3FB_FONT_HEIGHT;
 558         vi->vi_cwidth = 8;
 559         vi->vi_width = sc->width/8;
 560         vi->vi_height = sc->height/vi->vi_cheight;
 561
 562         /*
 563          * Clamp width/height to syscons maximums
 564          */
 565         if (vi->vi_width > COL)
 566                 vi->vi_width = COL;
 567         if (vi->vi_height > ROW)
 568                 vi->vi_height = ROW;
 569
 570         sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
 571         sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
 572
 573         adp->va_window = (vm_offset_t) ipu3fb_static_window;
 574         adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */;
 575         adp->va_line_width = sc->stride;
 576         adp->va_buffer_size = sc->fb_size;
 577
 578         vid_register(&sc->va);
 579
 580         return (0);
 581 }
 582
 583 static int
 584 ipu3fb_get_info(video_adapter_t *adp, int mode, video_info_t *info)
 585 {
 586
 587         bcopy(&adp->va_info, info, sizeof(*info));
 588         return (0);
 589 }
 590
 591 static int
 592 ipu3fb_query_mode(video_adapter_t *adp, video_info_t *info)
 593 {
 594
 595         return (0);
 596 }
 597
 598 static int
 599 ipu3fb_set_mode(video_adapter_t *adp, int mode)
 600 {
 601
 602         return (0);
 603 }
 604
 605 static int
 606 ipu3fb_save_font(video_adapter_t *adp, int page, int size, int width,
 607     u_char *data, int c, int count)
 608 {
 609
 610         return (0);
 611 }
 612
 613 static int
 614 ipu3fb_load_font(video_adapter_t *adp, int page, int size, int width,
 615     u_char *data, int c, int count)
 616 {
 617         struct video_adapter_softc *sc;
 618
 619         sc = (struct video_adapter_softc *)adp;
 620         sc->font = data;
 621
 622         return (0);
 623 }
 624
 625 static int
 626 ipu3fb_show_font(video_adapter_t *adp, int page)
 627 {
 628
 629         return (0);
 630 }
 631
 632 static int
 633 ipu3fb_save_palette(video_adapter_t *adp, u_char *palette)
 634 {
 635
 636         return (0);
 637 }
 638
 639 static int
 640 ipu3fb_load_palette(video_adapter_t *adp, u_char *palette)
 641 {
 642
 643         return (0);
 644 }
 645
 646 static int
 647 ipu3fb_set_border(video_adapter_t *adp, int border)
 648 {
 649
 650         return (ipu3fb_blank_display(adp, border));
 651 }
 652
 653 static int
 654 ipu3fb_save_state(video_adapter_t *adp, void *p, size_t size)
 655 {
 656
 657         return (0);
 658 }
 659
 660 static int
 661 ipu3fb_load_state(video_adapter_t *adp, void *p)
 662 {
 663
 664         return (0);
 665 }
 666
 667 static int
 668 ipu3fb_set_win_org(video_adapter_t *adp, off_t offset)
 669 {
 670
 671         return (0);
 672 }
 673
 674 static int
 675 ipu3fb_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
 676 {
 677
 678         *col = *row = 0;
 679         return (0);
 680 }
 681
 682 static int
 683 ipu3fb_set_hw_cursor(video_adapter_t *adp, int col, int row)
 684 {
 685
 686         return (0);
 687 }
 688
 689 static int
 690 ipu3fb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
 691     int celsize, int blink)
 692 {
 693
 694         return (0);
 695 }
 696
 697 static int
 698 ipu3fb_blank_display(video_adapter_t *adp, int mode)
 699 {
 700
 701         return (0);
 702 }
 703
 704 static int
 705 ipu3fb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr,
 706     int prot, vm_memattr_t *memattr)
 707 {
 708         struct video_adapter_softc *sc;
 709
 710         sc = (struct video_adapter_softc *)adp;
 711
 712         /*
 713          * This might be a legacy VGA mem request: if so, just point it at the
 714          * framebuffer, since it shouldn't be touched
 715          */
 716         if (offset < sc->stride * sc->height) {
 717                 *paddr = sc->fb_paddr + offset;
 718                 return (0);
 719         }
 720
 721         return (EINVAL);
 722 }
 723
 724 static int
 725 ipu3fb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
 726 {
 727         struct video_adapter_softc *sc;
 728         struct fbtype *fb;
 729
 730         sc = (struct video_adapter_softc *)adp;
 731
 732         switch (cmd) {
 733         case FBIOGTYPE:
 734                 fb = (struct fbtype *)data;
 735                 fb->fb_type = FBTYPE_PCIMISC;
 736                 fb->fb_height = sc->height;
 737                 fb->fb_width = sc->width;
 738                 fb->fb_depth = sc->depth;
 739                 if (sc->depth <= 1 || sc->depth > 8)
 740                         fb->fb_cmsize = 0;
 741                 else
 742                         fb->fb_cmsize = 1 << sc->depth;
 743                 fb->fb_size = sc->fb_size;
 744                 break;
 745         case FBIOSCURSOR:
 746                 return (ENODEV);
 747         default:
 748                 return (fb_commonioctl(adp, cmd, data));
 749         }
 750
 751         return (0);
 752 }
 753
 754 static int
 755 ipu3fb_clear(video_adapter_t *adp)
 756 {
 757
 758         return (ipu3fb_blank_display(adp, 0));
 759 }
 760
 761 static int
 762 ipu3fb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
 763 {
 764
 765         return (0);
 766 }
 767
 768 static int
 769 ipu3fb_bitblt(video_adapter_t *adp, ...)
 770 {
 771
 772         return (0);
 773 }
 774
 775 static int
 776 ipu3fb_diag(video_adapter_t *adp, int level)
 777 {
 778
 779         return (0);
 780 }
 781
 782 static int
 783 ipu3fb_save_cursor_palette(video_adapter_t *adp, u_char *palette)
 784 {
 785
 786         return (0);
 787 }
 788
 789 static int
 790 ipu3fb_load_cursor_palette(video_adapter_t *adp, u_char *palette)
 791 {
 792
 793         return (0);
 794 }
 795
 796 static int
 797 ipu3fb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
 798 {
 799
 800         return (0);
 801 }
 802
 803 static int
 804 ipu3fb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a,
 805     int size, int bpp, int bit_ltor, int byte_ltor)
 806 {
 807
 808         return (0);
 809 }
 810
 811 static int
 812 ipu3fb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
 813 {
 814         struct video_adapter_softc *sc;
 815         int col, row, bpp;
 816         int b, i, j, k;
 817         uint8_t *addr;
 818         u_char *p;
 819         uint32_t fg, bg, color;
 820
 821         sc = (struct video_adapter_softc *)adp;
 822         bpp = sc->bpp;
 823
 824         if (sc->fb_addr == 0)
 825                 return (0);
 826         row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
 827         col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
 828         p = sc->font + c * IPU3FB_FONT_HEIGHT;
 829         addr = (uint8_t *)sc->fb_addr
 830             + (row + sc->ymargin) * (sc->stride)
 831             + bpp * (col + sc->xmargin);
 832
 833         if (bpp == 2) {
 834                 bg = colors[(a >> 4) & 0x0f];
 835                 fg = colors[a & 0x0f];
 836         } else if (bpp == 3) {
 837                 bg = colors_24[(a >> 4) & 0x0f];
 838                 fg = colors_24[a & 0x0f];
 839         } else {
 840                 return (ENXIO);
 841         }
 842
 843         for (i = 0; i < IPU3FB_FONT_HEIGHT; i++) {
 844                 for (j = 0, k = 7; j < 8; j++, k--) {
 845                         if ((p[i] & (1 << k)) == 0)
 846                                 color = bg;
 847                         else
 848                                 color = fg;
 849                         /* FIXME: BPP maybe different */
 850                         for (b = 0; b < bpp; b ++)
 851                                 addr[bpp * j + b] =
 852                                     (color >> (b << 3)) & 0xff;
 853                 }
 854
 855                 addr += (sc->stride);
 856         }
 857
 858         return (0);
 859 }
 860
 861 static int
 862 ipu3fb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
 863 {
 864         int i;
 865
 866         for (i = 0; i < len; i++)
 867                 ipu3fb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8);
 868
 869         return (0);
 870 }
 871
 872 static int
 873 ipu3fb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
 874     uint32_t pixel_mask, int size, int width)
 875 {
 876
 877         return (0);
 878 }
 879
 880 /*
 881  * Define a stub keyboard driver in case one hasn't been
 882  * compiled into the kernel
 883  */
 884 #include <sys/kbio.h>
 885 #include <dev/kbd/kbdreg.h>
 886
 887 static int dummy_kbd_configure(int flags);
 888
 889 keyboard_switch_t ipu3dummysw;
 890
 891 static int
 892 dummy_kbd_configure(int flags)
 893 {
 894
 895         return (0);
 896 }
 897 KEYBOARD_DRIVER(ipu3dummy, ipu3dummysw, dummy_kbd_configure);