sys/arm/freescale/imx/imx51_ipuv3.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
   3  *
   4  * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org>
   5  * Copyright (c) 2012, 2013 The FreeBSD Foundation
   6  * All rights reserved.
   7  *
   8  * Portions of this software were developed by Oleksandr Rybalko
   9  * under sponsorship from the FreeBSD Foundation.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  *
  32  */
  33 #include <sys/cdefs.h>
  34 __FBSDID("$FreeBSD$");
  35
  36 #include <sys/param.h>
  37 #include <sys/systm.h>
  38 #include <sys/bio.h>
  39 #include <sys/bus.h>
  40 #include <sys/conf.h>
  41 #include <sys/endian.h>
  42 #include <sys/kernel.h>
  43 #include <sys/kthread.h>
  44 #include <sys/lock.h>
  45 #include <sys/malloc.h>
  46 #include <sys/module.h>
  47 #include <sys/mutex.h>
  48 #include <sys/queue.h>
  49 #include <sys/resource.h>
  50 #include <sys/rman.h>
  51 #include <sys/time.h>
  52 #include <sys/timetc.h>
  53 #include <sys/fbio.h>
  54 #include <sys/consio.h>
  55
  56 #include <sys/kdb.h>
  57
  58 #include <vm/vm.h>
  59 #include <vm/pmap.h>
  60
  61 #include <machine/bus.h>
  62 #include <machine/fdt.h>
  63 #include <machine/resource.h>
  64 #include <machine/intr.h>
  65
  66 #include <dev/ofw/ofw_bus.h>
  67 #include <dev/ofw/ofw_bus_subr.h>
  68
  69 #include <dev/fb/fbreg.h>
  70 #include <dev/syscons/syscons.h>
  71
  72 #include <arm/freescale/imx/imx51_ccmvar.h>
  73
  74 #include <arm/freescale/imx/imx51_ipuv3reg.h>
  75
  76 #define IMX51_IPU_HSP_CLOCK     665000000
  77 #define IPU3FB_FONT_HEIGHT      16
  78
  79 struct ipu3sc_softc {
  80         device_t                dev;
  81         bus_addr_t              pbase;
  82         bus_addr_t              vbase;
  83
  84         bus_space_tag_t         iot;
  85         bus_space_handle_t      ioh;
  86         bus_space_handle_t      cm_ioh;
  87         bus_space_handle_t      dp_ioh;
  88         bus_space_handle_t      di0_ioh;
  89         bus_space_handle_t      di1_ioh;
  90         bus_space_handle_t      dctmpl_ioh;
  91         bus_space_handle_t      dc_ioh;
  92         bus_space_handle_t      dmfc_ioh;
  93         bus_space_handle_t      idmac_ioh;
  94         bus_space_handle_t      cpmem_ioh;
  95 };
  96
  97 struct video_adapter_softc {
  98         /* Videoadpater part */
  99         video_adapter_t va;
 100
 101         intptr_t        fb_addr;
 102         intptr_t        fb_paddr;
 103         unsigned int    fb_size;
 104
 105         int             bpp;
 106         int             depth;
 107         unsigned int    height;
 108         unsigned int    width;
 109         unsigned int    stride;
 110
 111         unsigned int    xmargin;
 112         unsigned int    ymargin;
 113
 114         unsigned char   *font;
 115         int             initialized;
 116 };
 117
 118 static struct ipu3sc_softc *ipu3sc_softc;
 119 static struct video_adapter_softc va_softc;
 120
 121 /* FIXME: not only 2 bytes color supported */
 122 static uint16_t colors[16] = {
 123         0x0000, /* black */
 124         0x001f, /* blue */
 125         0x07e0, /* green */
 126         0x07ff, /* cyan */
 127         0xf800, /* red */
 128         0xf81f, /* magenta */
 129         0x3800, /* brown */
 130         0xc618, /* light grey */
 131         0xc618, /* XXX: dark grey */
 132         0x001f, /* XXX: light blue */
 133         0x07e0, /* XXX: light green */
 134         0x07ff, /* XXX: light cyan */
 135         0xf800, /* XXX: light red */
 136         0xf81f, /* XXX: light magenta */
 137         0xffe0, /* yellow */
 138         0xffff, /* white */
 139 };
 140 static uint32_t colors_24[16] = {
 141         0x000000,/* Black       */
 142         0x000080,/* Blue        */
 143         0x008000,/* Green       */
 144         0x008080,/* Cyan        */
 145         0x800000,/* Red         */
 146         0x800080,/* Magenta     */
 147         0xcc6600,/* brown       */
 148         0xC0C0C0,/* Silver      */
 149         0x808080,/* Gray        */
 150         0x0000FF,/* Light Blue  */
 151         0x00FF00,/* Light Green */
 152         0x00FFFF,/* Light Cyan  */
 153         0xFF0000,/* Light Red   */
 154         0xFF00FF,/* Light Magenta */
 155         0xFFFF00,/* Yellow      */
 156         0xFFFFFF,/* White       */
 157
 158
 159 };
 160
 161 #define IPUV3_READ(ipuv3, module, reg)                                  \
 162         bus_space_read_4((ipuv3)->iot, (ipuv3)->module##_ioh, (reg))
 163 #define IPUV3_WRITE(ipuv3, module, reg, val)                            \
 164         bus_space_write_4((ipuv3)->iot, (ipuv3)->module##_ioh, (reg), (val))
 165
 166 #define CPMEM_CHANNEL_OFFSET(_c)        ((_c) * 0x40)
 167 #define CPMEM_WORD_OFFSET(_w)           ((_w) * 0x20)
 168 #define CPMEM_DP_OFFSET(_d)             ((_d) * 0x10000)
 169 #define IMX_IPU_DP0             0
 170 #define IMX_IPU_DP1             1
 171 #define CPMEM_CHANNEL(_dp, _ch, _w)                                     \
 172             (CPMEM_DP_OFFSET(_dp) + CPMEM_CHANNEL_OFFSET(_ch) +         \
 173                 CPMEM_WORD_OFFSET(_w))
 174 #define CPMEM_OFFSET(_dp, _ch, _w, _o)                                  \
 175             (CPMEM_CHANNEL((_dp), (_ch), (_w)) + (_o))
 176
 177 #define IPUV3_DEBUG 100
 178
 179 #ifdef IPUV3_DEBUG
 180 #define SUBMOD_DUMP_REG(_sc, _m, _l)                                    \
 181         {                                                               \
 182                 int i;                                                  \
 183                 printf("*** " #_m " ***\n");                            \
 184                 for (i = 0; i <= (_l); i += 4) {                        \
 185                         if ((i % 32) == 0)                              \
 186                                 printf("%04x: ", i & 0xffff);           \
 187                         printf("0x%08x%c", IPUV3_READ((_sc), _m, i),    \
 188                             ((i + 4) % 32)?' ':'\n');                   \
 189                 }                                                       \
 190                 printf("\n");                                           \
 191         }
 192 #endif
 193
 194 #ifdef IPUV3_DEBUG
 195 int ipuv3_debug = IPUV3_DEBUG;
 196 #define DPRINTFN(n,x)   if (ipuv3_debug>(n)) printf x; else
 197 #else
 198 #define DPRINTFN(n,x)
 199 #endif
 200
 201 static int      ipu3_fb_probe(device_t);
 202 static int      ipu3_fb_attach(device_t);
 203
 204 static int
 205 ipu3_fb_malloc(struct ipu3sc_softc *sc, size_t size)
 206 {
 207
 208         sc->vbase = (uint32_t)contigmalloc(size, M_DEVBUF, M_ZERO, 0, ~0,
 209             PAGE_SIZE, 0);
 210         sc->pbase = vtophys(sc->vbase);
 211
 212         return (0);
 213 }
 214
 215 static void
 216 ipu3_fb_init(void *arg)
 217 {
 218         struct ipu3sc_softc *sc = arg;
 219         struct video_adapter_softc *va_sc = &va_softc;
 220         uint64_t w0sh96;
 221         uint32_t w1sh96;
 222
 223         /* FW W0[137:125] - 96 = [41:29] */
 224         /* FH W0[149:138] - 96 = [53:42] */
 225         w0sh96 = IPUV3_READ(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 0, 16));
 226         w0sh96 <<= 32;
 227         w0sh96 |= IPUV3_READ(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 0, 12));
 228
 229         va_sc->width = ((w0sh96 >> 29) & 0x1fff) + 1;
 230         va_sc->height = ((w0sh96 >> 42) & 0x0fff) + 1;
 231
 232         /* SLY W1[115:102] - 96 = [19:6] */
 233         w1sh96 = IPUV3_READ(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 1, 12));
 234         va_sc->stride = ((w1sh96 >> 6) & 0x3fff) + 1;
 235
 236         printf("%dx%d [%d]\n", va_sc->width, va_sc->height, va_sc->stride);
 237         va_sc->fb_size = va_sc->height * va_sc->stride;
 238
 239         ipu3_fb_malloc(sc, va_sc->fb_size);
 240
 241         /* DP1 + config_ch_23 + word_2 */
 242         IPUV3_WRITE(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 1, 0),
 243             ((sc->pbase >> 3) | ((sc->pbase >> 3) << 29)) & 0xffffffff);
 244
 245         IPUV3_WRITE(sc, cpmem, CPMEM_OFFSET(IMX_IPU_DP1, 23, 1, 4),
 246             ((sc->pbase >> 3) >> 3) & 0xffffffff);
 247
 248         va_sc->fb_addr = (intptr_t)sc->vbase;
 249         va_sc->fb_paddr = (intptr_t)sc->pbase;
 250         va_sc->bpp = va_sc->stride / va_sc->width;
 251         va_sc->depth = va_sc->bpp * 8;
 252 }
 253
 254 static int
 255 ipu3_fb_probe(device_t dev)
 256 {
 257         int error;
 258
 259         if (!ofw_bus_status_okay(dev))
 260                 return (ENXIO);
 261
 262         if (!ofw_bus_is_compatible(dev, "fsl,ipu3"))
 263                 return (ENXIO);
 264
 265         device_set_desc(dev, "i.MX5x Image Processing Unit v3 (FB)");
 266
 267         error = sc_probe_unit(device_get_unit(dev),
 268             device_get_flags(dev) | SC_AUTODETECT_KBD);
 269
 270         if (error != 0)
 271                 return (error);
 272
 273         return (BUS_PROBE_DEFAULT);
 274 }
 275
 276 static int
 277 ipu3_fb_attach(device_t dev)
 278 {
 279         struct ipu3sc_softc *sc = device_get_softc(dev);
 280         bus_space_tag_t iot;
 281         bus_space_handle_t ioh;
 282         phandle_t node;
 283         pcell_t reg;
 284         int err;
 285         uintptr_t base;
 286
 287         if (ipu3sc_softc)
 288                 return (ENXIO);
 289
 290         ipu3sc_softc = sc;
 291
 292         if (bootverbose)
 293                 device_printf(dev, "clock gate status is %d\n",
 294                     imx51_get_clk_gating(IMX51CLK_IPU_HSP_CLK_ROOT));
 295
 296         sc->dev = dev;
 297
 298         err = (sc_attach_unit(device_get_unit(dev),
 299             device_get_flags(dev) | SC_AUTODETECT_KBD));
 300
 301         if (err) {
 302                 device_printf(dev, "failed to attach syscons\n");
 303                 goto fail;
 304         }
 305
 306         sc = device_get_softc(dev);
 307         sc->iot = iot = fdtbus_bs_tag;
 308
 309         /*
 310          * Retrieve the device address based on the start address in the
 311          * DTS.  The DTS for i.MX51 specifies 0x5e000000 as the first register
 312          * address, so we just subtract IPU_CM_BASE to get the offset at which
 313          * the IPU device was memory mapped.
 314          * On i.MX53, the offset is 0.
 315          */
 316         node = ofw_bus_get_node(dev);
 317         if ((OF_getencprop(node, "reg", &reg, sizeof(reg))) <= 0)
 318                 base = 0;
 319         else
 320                 base = reg - IPU_CM_BASE(0);
 321         /* map controller registers */
 322         err = bus_space_map(iot, IPU_CM_BASE(base), IPU_CM_SIZE, 0, &ioh);
 323         if (err)
 324                 goto fail_retarn_cm;
 325         sc->cm_ioh = ioh;
 326
 327         /* map Display Multi FIFO Controller registers */
 328         err = bus_space_map(iot, IPU_DMFC_BASE(base), IPU_DMFC_SIZE, 0, &ioh);
 329         if (err)
 330                 goto fail_retarn_dmfc;
 331         sc->dmfc_ioh = ioh;
 332
 333         /* map Display Interface 0 registers */
 334         err = bus_space_map(iot, IPU_DI0_BASE(base), IPU_DI0_SIZE, 0, &ioh);
 335         if (err)
 336                 goto fail_retarn_di0;
 337         sc->di0_ioh = ioh;
 338
 339         /* map Display Interface 1 registers */
 340         err = bus_space_map(iot, IPU_DI1_BASE(base), IPU_DI0_SIZE, 0, &ioh);
 341         if (err)
 342                 goto fail_retarn_di1;
 343         sc->di1_ioh = ioh;
 344
 345         /* map Display Processor registers */
 346         err = bus_space_map(iot, IPU_DP_BASE(base), IPU_DP_SIZE, 0, &ioh);
 347         if (err)
 348                 goto fail_retarn_dp;
 349         sc->dp_ioh = ioh;
 350
 351         /* map Display Controller registers */
 352         err = bus_space_map(iot, IPU_DC_BASE(base), IPU_DC_SIZE, 0, &ioh);
 353         if (err)
 354                 goto fail_retarn_dc;
 355         sc->dc_ioh = ioh;
 356
 357         /* map Image DMA Controller registers */
 358         err = bus_space_map(iot, IPU_IDMAC_BASE(base), IPU_IDMAC_SIZE, 0,
 359             &ioh);
 360         if (err)
 361                 goto fail_retarn_idmac;
 362         sc->idmac_ioh = ioh;
 363
 364         /* map CPMEM registers */
 365         err = bus_space_map(iot, IPU_CPMEM_BASE(base), IPU_CPMEM_SIZE, 0,
 366             &ioh);
 367         if (err)
 368                 goto fail_retarn_cpmem;
 369         sc->cpmem_ioh = ioh;
 370
 371         /* map DCTEMPL registers */
 372         err = bus_space_map(iot, IPU_DCTMPL_BASE(base), IPU_DCTMPL_SIZE, 0,
 373             &ioh);
 374         if (err)
 375                 goto fail_retarn_dctmpl;
 376         sc->dctmpl_ioh = ioh;
 377
 378 #ifdef notyet
 379         sc->ih = imx51_ipuv3_intr_establish(IMX51_INT_IPUV3, IPL_BIO,
 380             ipuv3intr, sc);
 381         if (sc->ih == NULL) {
 382                 device_printf(sc->dev,
 383                     "unable to establish interrupt at irq %d\n",
 384                     IMX51_INT_IPUV3);
 385                 return (ENXIO);
 386         }
 387 #endif
 388
 389         /*
 390          * We have to wait until interrupts are enabled.
 391          * Mailbox relies on it to get data from VideoCore
 392          */
 393         ipu3_fb_init(sc);
 394
 395         return (0);
 396
 397 fail:
 398         return (ENXIO);
 399 fail_retarn_dctmpl:
 400         bus_space_unmap(sc->iot, sc->cpmem_ioh, IPU_CPMEM_SIZE);
 401 fail_retarn_cpmem:
 402         bus_space_unmap(sc->iot, sc->idmac_ioh, IPU_IDMAC_SIZE);
 403 fail_retarn_idmac:
 404         bus_space_unmap(sc->iot, sc->dc_ioh, IPU_DC_SIZE);
 405 fail_retarn_dp:
 406         bus_space_unmap(sc->iot, sc->dp_ioh, IPU_DP_SIZE);
 407 fail_retarn_dc:
 408         bus_space_unmap(sc->iot, sc->di1_ioh, IPU_DI1_SIZE);
 409 fail_retarn_di1:
 410         bus_space_unmap(sc->iot, sc->di0_ioh, IPU_DI0_SIZE);
 411 fail_retarn_di0:
 412         bus_space_unmap(sc->iot, sc->dmfc_ioh, IPU_DMFC_SIZE);
 413 fail_retarn_dmfc:
 414         bus_space_unmap(sc->iot, sc->dc_ioh, IPU_CM_SIZE);
 415 fail_retarn_cm:
 416         device_printf(sc->dev,
 417             "failed to map registers (errno=%d)\n", err);
 418         return (err);
 419 }
 420
 421 static device_method_t ipu3_fb_methods[] = {
 422         /* Device interface */
 423         DEVMETHOD(device_probe,         ipu3_fb_probe),
 424         DEVMETHOD(device_attach,        ipu3_fb_attach),
 425
 426         { 0, 0 }
 427 };
 428
 429 static devclass_t ipu3_fb_devclass;
 430
 431 static driver_t ipu3_fb_driver = {
 432         "fb",
 433         ipu3_fb_methods,
 434         sizeof(struct ipu3sc_softc),
 435 };
 436
 437 DRIVER_MODULE(ipu3fb, simplebus, ipu3_fb_driver, ipu3_fb_devclass, 0, 0);
 438
 439 /*
 440  * Video driver routines and glue.
 441  */
 442 static int                      ipu3fb_configure(int);
 443 static vi_probe_t               ipu3fb_probe;
 444 static vi_init_t                ipu3fb_init;
 445 static vi_get_info_t            ipu3fb_get_info;
 446 static vi_query_mode_t          ipu3fb_query_mode;
 447 static vi_set_mode_t            ipu3fb_set_mode;
 448 static vi_save_font_t           ipu3fb_save_font;
 449 static vi_load_font_t           ipu3fb_load_font;
 450 static vi_show_font_t           ipu3fb_show_font;
 451 static vi_save_palette_t        ipu3fb_save_palette;
 452 static vi_load_palette_t        ipu3fb_load_palette;
 453 static vi_set_border_t          ipu3fb_set_border;
 454 static vi_save_state_t          ipu3fb_save_state;
 455 static vi_load_state_t          ipu3fb_load_state;
 456 static vi_set_win_org_t         ipu3fb_set_win_org;
 457 static vi_read_hw_cursor_t      ipu3fb_read_hw_cursor;
 458 static vi_set_hw_cursor_t       ipu3fb_set_hw_cursor;
 459 static vi_set_hw_cursor_shape_t ipu3fb_set_hw_cursor_shape;
 460 static vi_blank_display_t       ipu3fb_blank_display;
 461 static vi_mmap_t                ipu3fb_mmap;
 462 static vi_ioctl_t               ipu3fb_ioctl;
 463 static vi_clear_t               ipu3fb_clear;
 464 static vi_fill_rect_t           ipu3fb_fill_rect;
 465 static vi_bitblt_t              ipu3fb_bitblt;
 466 static vi_diag_t                ipu3fb_diag;
 467 static vi_save_cursor_palette_t ipu3fb_save_cursor_palette;
 468 static vi_load_cursor_palette_t ipu3fb_load_cursor_palette;
 469 static vi_copy_t                ipu3fb_copy;
 470 static vi_putp_t                ipu3fb_putp;
 471 static vi_putc_t                ipu3fb_putc;
 472 static vi_puts_t                ipu3fb_puts;
 473 static vi_putm_t                ipu3fb_putm;
 474
 475 static video_switch_t ipu3fbvidsw = {
 476         .probe                  = ipu3fb_probe,
 477         .init                   = ipu3fb_init,
 478         .get_info               = ipu3fb_get_info,
 479         .query_mode             = ipu3fb_query_mode,
 480         .set_mode               = ipu3fb_set_mode,
 481         .save_font              = ipu3fb_save_font,
 482         .load_font              = ipu3fb_load_font,
 483         .show_font              = ipu3fb_show_font,
 484         .save_palette           = ipu3fb_save_palette,
 485         .load_palette           = ipu3fb_load_palette,
 486         .set_border             = ipu3fb_set_border,
 487         .save_state             = ipu3fb_save_state,
 488         .load_state             = ipu3fb_load_state,
 489         .set_win_org            = ipu3fb_set_win_org,
 490         .read_hw_cursor         = ipu3fb_read_hw_cursor,
 491         .set_hw_cursor          = ipu3fb_set_hw_cursor,
 492         .set_hw_cursor_shape    = ipu3fb_set_hw_cursor_shape,
 493         .blank_display          = ipu3fb_blank_display,
 494         .mmap                   = ipu3fb_mmap,
 495         .ioctl                  = ipu3fb_ioctl,
 496         .clear                  = ipu3fb_clear,
 497         .fill_rect              = ipu3fb_fill_rect,
 498         .bitblt                 = ipu3fb_bitblt,
 499         .diag                   = ipu3fb_diag,
 500         .save_cursor_palette    = ipu3fb_save_cursor_palette,
 501         .load_cursor_palette    = ipu3fb_load_cursor_palette,
 502         .copy                   = ipu3fb_copy,
 503         .putp                   = ipu3fb_putp,
 504         .putc                   = ipu3fb_putc,
 505         .puts                   = ipu3fb_puts,
 506         .putm                   = ipu3fb_putm,
 507 };
 508
 509 VIDEO_DRIVER(ipu3fb, ipu3fbvidsw, ipu3fb_configure);
 510
 511 extern sc_rndr_sw_t txtrndrsw;
 512 RENDERER(ipu3fb, 0, txtrndrsw, gfb_set);
 513 RENDERER_MODULE(ipu3fb, gfb_set);
 514
 515 static uint16_t ipu3fb_static_window[ROW*COL];
 516 extern u_char dflt_font_16[];
 517
 518 static int
 519 ipu3fb_configure(int flags)
 520 {
 521         struct video_adapter_softc *sc;
 522
 523         sc = &va_softc;
 524
 525         if (sc->initialized)
 526                 return 0;
 527
 528         sc->width = 640;
 529         sc->height = 480;
 530         sc->bpp = 2;
 531         sc->stride = sc->width * sc->bpp;
 532
 533         ipu3fb_init(0, &sc->va, 0);
 534
 535         sc->initialized = 1;
 536
 537         return (0);
 538 }
 539
 540 static int
 541 ipu3fb_probe(int unit, video_adapter_t **adp, void *arg, int flags)
 542 {
 543
 544         return (0);
 545 }
 546
 547 static int
 548 ipu3fb_init(int unit, video_adapter_t *adp, int flags)
 549 {
 550         struct video_adapter_softc *sc;
 551         video_info_t *vi;
 552
 553         sc = (struct video_adapter_softc *)adp;
 554         vi = &adp->va_info;
 555
 556         vid_init_struct(adp, "ipu3fb", -1, unit);
 557
 558         sc->font = dflt_font_16;
 559         vi->vi_cheight = IPU3FB_FONT_HEIGHT;
 560         vi->vi_cwidth = 8;
 561         vi->vi_width = sc->width/8;
 562         vi->vi_height = sc->height/vi->vi_cheight;
 563
 564         /*
 565          * Clamp width/height to syscons maximums
 566          */
 567         if (vi->vi_width > COL)
 568                 vi->vi_width = COL;
 569         if (vi->vi_height > ROW)
 570                 vi->vi_height = ROW;
 571
 572         sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
 573         sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
 574
 575         adp->va_window = (vm_offset_t) ipu3fb_static_window;
 576         adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */;
 577         adp->va_line_width = sc->stride;
 578         adp->va_buffer_size = sc->fb_size;
 579
 580         vid_register(&sc->va);
 581
 582         return (0);
 583 }
 584
 585 static int
 586 ipu3fb_get_info(video_adapter_t *adp, int mode, video_info_t *info)
 587 {
 588
 589         bcopy(&adp->va_info, info, sizeof(*info));
 590         return (0);
 591 }
 592
 593 static int
 594 ipu3fb_query_mode(video_adapter_t *adp, video_info_t *info)
 595 {
 596
 597         return (0);
 598 }
 599
 600 static int
 601 ipu3fb_set_mode(video_adapter_t *adp, int mode)
 602 {
 603
 604         return (0);
 605 }
 606
 607 static int
 608 ipu3fb_save_font(video_adapter_t *adp, int page, int size, int width,
 609     u_char *data, int c, int count)
 610 {
 611
 612         return (0);
 613 }
 614
 615 static int
 616 ipu3fb_load_font(video_adapter_t *adp, int page, int size, int width,
 617     u_char *data, int c, int count)
 618 {
 619         struct video_adapter_softc *sc;
 620
 621         sc = (struct video_adapter_softc *)adp;
 622         sc->font = data;
 623
 624         return (0);
 625 }
 626
 627 static int
 628 ipu3fb_show_font(video_adapter_t *adp, int page)
 629 {
 630
 631         return (0);
 632 }
 633
 634 static int
 635 ipu3fb_save_palette(video_adapter_t *adp, u_char *palette)
 636 {
 637
 638         return (0);
 639 }
 640
 641 static int
 642 ipu3fb_load_palette(video_adapter_t *adp, u_char *palette)
 643 {
 644
 645         return (0);
 646 }
 647
 648 static int
 649 ipu3fb_set_border(video_adapter_t *adp, int border)
 650 {
 651
 652         return (ipu3fb_blank_display(adp, border));
 653 }
 654
 655 static int
 656 ipu3fb_save_state(video_adapter_t *adp, void *p, size_t size)
 657 {
 658
 659         return (0);
 660 }
 661
 662 static int
 663 ipu3fb_load_state(video_adapter_t *adp, void *p)
 664 {
 665
 666         return (0);
 667 }
 668
 669 static int
 670 ipu3fb_set_win_org(video_adapter_t *adp, off_t offset)
 671 {
 672
 673         return (0);
 674 }
 675
 676 static int
 677 ipu3fb_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
 678 {
 679
 680         *col = *row = 0;
 681         return (0);
 682 }
 683
 684 static int
 685 ipu3fb_set_hw_cursor(video_adapter_t *adp, int col, int row)
 686 {
 687
 688         return (0);
 689 }
 690
 691 static int
 692 ipu3fb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
 693     int celsize, int blink)
 694 {
 695
 696         return (0);
 697 }
 698
 699 static int
 700 ipu3fb_blank_display(video_adapter_t *adp, int mode)
 701 {
 702
 703         return (0);
 704 }
 705
 706 static int
 707 ipu3fb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr,
 708     int prot, vm_memattr_t *memattr)
 709 {
 710         struct video_adapter_softc *sc;
 711
 712         sc = (struct video_adapter_softc *)adp;
 713
 714         /*
 715          * This might be a legacy VGA mem request: if so, just point it at the
 716          * framebuffer, since it shouldn't be touched
 717          */
 718         if (offset < sc->stride * sc->height) {
 719                 *paddr = sc->fb_paddr + offset;
 720                 return (0);
 721         }
 722
 723         return (EINVAL);
 724 }
 725
 726 static int
 727 ipu3fb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
 728 {
 729         struct video_adapter_softc *sc;
 730         struct fbtype *fb;
 731
 732         sc = (struct video_adapter_softc *)adp;
 733
 734         switch (cmd) {
 735         case FBIOGTYPE:
 736                 fb = (struct fbtype *)data;
 737                 fb->fb_type = FBTYPE_PCIMISC;
 738                 fb->fb_height = sc->height;
 739                 fb->fb_width = sc->width;
 740                 fb->fb_depth = sc->depth;
 741                 if (sc->depth <= 1 || sc->depth > 8)
 742                         fb->fb_cmsize = 0;
 743                 else
 744                         fb->fb_cmsize = 1 << sc->depth;
 745                 fb->fb_size = sc->fb_size;
 746                 break;
 747         case FBIOSCURSOR:
 748                 return (ENODEV);
 749         default:
 750                 return (fb_commonioctl(adp, cmd, data));
 751         }
 752
 753         return (0);
 754 }
 755
 756 static int
 757 ipu3fb_clear(video_adapter_t *adp)
 758 {
 759
 760         return (ipu3fb_blank_display(adp, 0));
 761 }
 762
 763 static int
 764 ipu3fb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
 765 {
 766
 767         return (0);
 768 }
 769
 770 static int
 771 ipu3fb_bitblt(video_adapter_t *adp, ...)
 772 {
 773
 774         return (0);
 775 }
 776
 777 static int
 778 ipu3fb_diag(video_adapter_t *adp, int level)
 779 {
 780
 781         return (0);
 782 }
 783
 784 static int
 785 ipu3fb_save_cursor_palette(video_adapter_t *adp, u_char *palette)
 786 {
 787
 788         return (0);
 789 }
 790
 791 static int
 792 ipu3fb_load_cursor_palette(video_adapter_t *adp, u_char *palette)
 793 {
 794
 795         return (0);
 796 }
 797
 798 static int
 799 ipu3fb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
 800 {
 801
 802         return (0);
 803 }
 804
 805 static int
 806 ipu3fb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a,
 807     int size, int bpp, int bit_ltor, int byte_ltor)
 808 {
 809
 810         return (0);
 811 }
 812
 813 static int
 814 ipu3fb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
 815 {
 816         struct video_adapter_softc *sc;
 817         int col, row, bpp;
 818         int b, i, j, k;
 819         uint8_t *addr;
 820         u_char *p;
 821         uint32_t fg, bg, color;
 822
 823         sc = (struct video_adapter_softc *)adp;
 824         bpp = sc->bpp;
 825
 826         if (sc->fb_addr == 0)
 827                 return (0);
 828         row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
 829         col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
 830         p = sc->font + c * IPU3FB_FONT_HEIGHT;
 831         addr = (uint8_t *)sc->fb_addr
 832             + (row + sc->ymargin) * (sc->stride)
 833             + bpp * (col + sc->xmargin);
 834
 835         if (bpp == 2) {
 836                 bg = colors[(a >> 4) & 0x0f];
 837                 fg = colors[a & 0x0f];
 838         } else if (bpp == 3) {
 839                 bg = colors_24[(a >> 4) & 0x0f];
 840                 fg = colors_24[a & 0x0f];
 841         } else {
 842                 return (ENXIO);
 843         }
 844
 845         for (i = 0; i < IPU3FB_FONT_HEIGHT; i++) {
 846                 for (j = 0, k = 7; j < 8; j++, k--) {
 847                         if ((p[i] & (1 << k)) == 0)
 848                                 color = bg;
 849                         else
 850                                 color = fg;
 851                         /* FIXME: BPP maybe different */
 852                         for (b = 0; b < bpp; b ++)
 853                                 addr[bpp * j + b] =
 854                                     (color >> (b << 3)) & 0xff;
 855                 }
 856
 857                 addr += (sc->stride);
 858         }
 859
 860         return (0);
 861 }
 862
 863 static int
 864 ipu3fb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
 865 {
 866         int i;
 867
 868         for (i = 0; i < len; i++)
 869                 ipu3fb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8);
 870
 871         return (0);
 872 }
 873
 874 static int
 875 ipu3fb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
 876     uint32_t pixel_mask, int size, int width)
 877 {
 878
 879         return (0);
 880 }
 881
 882 /*
 883  * Define a stub keyboard driver in case one hasn't been
 884  * compiled into the kernel
 885  */
 886 #include <sys/kbio.h>
 887 #include <dev/kbd/kbdreg.h>
 888
 889 static int dummy_kbd_configure(int flags);
 890
 891 keyboard_switch_t ipu3dummysw;
 892
 893 static int
 894 dummy_kbd_configure(int flags)
 895 {
 896
 897         return (0);
 898 }
 899 KEYBOARD_DRIVER(ipu3dummy, ipu3dummysw, dummy_kbd_configure);