FreeBSD/Linux Kernel Cross Reference
sys/dev/fb/creator.c

     /*-
      * Copyright (c) 2003 Jake Burkholder.
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD: src/sys/dev/fb/creator.c,v 1.5 2004/07/09 23:12:22 marius Exp $
     */
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/bus.h>
    #include <sys/fbio.h>
    #include <sys/consio.h>
    #include <sys/kernel.h>
    #include <sys/module.h>
    
    #include <machine/bus.h>
    #include <machine/ofw_upa.h>
    
    #include <sys/rman.h>
    
    #include <dev/fb/fbreg.h>
    #include <dev/fb/gallant12x22.h>
    #include <dev/syscons/syscons.h>
    
    #include <dev/ofw/openfirm.h>
    
    #include <sparc64/creator/creator.h>
    
    static int creator_configure(int flags);
    
    static vi_probe_t creator_probe;
    static vi_init_t creator_init;
    static vi_get_info_t creator_get_info;
    static vi_query_mode_t creator_query_mode;
    static vi_set_mode_t creator_set_mode;
    static vi_save_font_t creator_save_font;
    static vi_load_font_t creator_load_font;
    static vi_show_font_t creator_show_font;
    static vi_save_palette_t creator_save_palette;
    static vi_load_palette_t creator_load_palette;
    static vi_set_border_t creator_set_border;
    static vi_save_state_t creator_save_state;
    static vi_load_state_t creator_load_state;
    static vi_set_win_org_t creator_set_win_org;
    static vi_read_hw_cursor_t creator_read_hw_cursor;
    static vi_set_hw_cursor_t creator_set_hw_cursor;
    static vi_set_hw_cursor_shape_t creator_set_hw_cursor_shape;
    static vi_blank_display_t creator_blank_display;
    static vi_mmap_t creator_mmap;
    static vi_ioctl_t creator_ioctl;
    static vi_clear_t creator_clear;
    static vi_fill_rect_t creator_fill_rect;
    static vi_bitblt_t creator_bitblt;
    static vi_diag_t creator_diag;
    static vi_save_cursor_palette_t creator_save_cursor_palette;
    static vi_load_cursor_palette_t creator_load_cursor_palette;
    static vi_copy_t creator_copy;
    static vi_putp_t creator_putp;
    static vi_putc_t creator_putc;
    static vi_puts_t creator_puts;
    static vi_putm_t creator_putm;
    
    static void creator_ras_fifo_wait(struct creator_softc *sc, int n);
    static void creator_ras_setbg(struct creator_softc *sc, int bg);
    static void creator_ras_setfg(struct creator_softc *sc, int fg);
    static void creator_ras_wait(struct creator_softc *sc);
    
    static video_switch_t creatorvidsw = {
            .probe                  = creator_probe,
            .init                   = creator_init,
            .get_info               = creator_get_info,
            .query_mode             = creator_query_mode,
            .set_mode               = creator_set_mode,
            .save_font              = creator_save_font,
            .load_font              = creator_load_font,
            .show_font              = creator_show_font,
            .save_palette           = creator_save_palette,
            .load_palette           = creator_load_palette,
           .set_border             = creator_set_border,
           .save_state             = creator_save_state,
           .load_state             = creator_load_state,
           .set_win_org            = creator_set_win_org,
           .read_hw_cursor         = creator_read_hw_cursor,
           .set_hw_cursor          = creator_set_hw_cursor,
           .set_hw_cursor_shape    = creator_set_hw_cursor_shape,
           .blank_display          = creator_blank_display,
           .mmap                   = creator_mmap,
           .ioctl                  = creator_ioctl,
           .clear                  = creator_clear,
           .fill_rect              = creator_fill_rect,
           .bitblt                 = creator_bitblt,
           NULL,                                           /* XXX brain damage */
           NULL,                                           /* XXX brain damage */
           .diag                   = creator_diag,
           .save_cursor_palette    = creator_save_cursor_palette,
           .load_cursor_palette    = creator_load_cursor_palette,
           .copy                   = creator_copy,
           .putp                   = creator_putp,
           .putc                   = creator_putc,
           .puts                   = creator_puts,
           .putm                   = creator_putm
   };
   
   VIDEO_DRIVER(creator, creatorvidsw, creator_configure);
   
   extern sc_rndr_sw_t txtrndrsw;
   RENDERER(creator, 0, txtrndrsw, gfb_set);
   
   RENDERER_MODULE(creator, gfb_set);
   
   extern struct bus_space_tag nexus_bustag;
   
   #define C(r, g, b)      ((b << 16) | (g << 8) | (r))
   static int cmap[] = {
           C(0x00, 0x00, 0x00),            /* black */
           C(0x00, 0x00, 0xff),            /* blue */
           C(0x00, 0xff, 0x00),            /* green */
           C(0x00, 0xc0, 0xc0),            /* cyan */
           C(0xff, 0x00, 0x00),            /* red */
           C(0xc0, 0x00, 0xc0),            /* magenta */
           C(0xc0, 0xc0, 0x00),            /* brown */
           C(0xc0, 0xc0, 0xc0),            /* light grey */
           C(0x80, 0x80, 0x80),            /* dark grey */
           C(0x80, 0x80, 0xff),            /* light blue */
           C(0x80, 0xff, 0x80),            /* light green */
           C(0x80, 0xff, 0xff),            /* light cyan */
           C(0xff, 0x80, 0x80),            /* light red */
           C(0xff, 0x80, 0xff),            /* light magenta */
           C(0xff, 0xff, 0x80),            /* yellow */
           C(0xff, 0xff, 0xff),            /* white */
   };
   
   #define TODO    printf("%s: unimplemented\n", __func__)
   
   static struct creator_softc creator_softc;
   
   static int
   creator_configure(int flags)
   {
           struct upa_regs reg[FFB_NREG];
           struct creator_softc *sc;
           phandle_t chosen;
           ihandle_t stdout;
           phandle_t child;
           char buf[32];
           int i;
   
           sc = &creator_softc;
           for (child = OF_child(OF_peer(0)); child != 0;
               child = OF_peer(child)) {
                   OF_getprop(child, "name", buf, sizeof(buf));
                   if  (strcmp(buf, "SUNW,ffb") == 0 ||
                        strcmp(buf, "SUNW,afb") == 0)
                           break;
           }
           if (child == 0)
                   return (0);
   
           chosen = OF_finddevice("/chosen");
           OF_getprop(chosen, "stdout", &stdout, sizeof(stdout));
           if (child == OF_instance_to_package(stdout))
                   sc->sc_console = 1;
   
           OF_getprop(child, "reg", reg, sizeof(reg));
           for (i = 0; i < FFB_NREG; i++) {
                   sc->sc_bt[i] = &nexus_bustag;
                   sc->sc_bh[i] = UPA_REG_PHYS(reg + i);
           }
           OF_getprop(child, "height", &sc->sc_height, sizeof(sc->sc_height));
           OF_getprop(child, "width", &sc->sc_width, sizeof(sc->sc_width));
   
           creator_init(0, &sc->sc_va, 0);
   
           return (0);
   }
   
   static int
   creator_probe(int unit, video_adapter_t **adp, void *arg, int flags)
   {
           TODO;
           return (0);
   }
   
   static u_char creator_mouse_pointer[64][8] __aligned(8) = {
           { 0x00, 0x00, },        /* ............ */
           { 0x80, 0x00, },        /* *........... */
           { 0xc0, 0x00, },        /* **.......... */
           { 0xe0, 0x00, },        /* ***......... */
           { 0xf0, 0x00, },        /* ****........ */
           { 0xf8, 0x00, },        /* *****....... */
           { 0xfc, 0x00, },        /* ******...... */
           { 0xfe, 0x00, },        /* *******..... */
           { 0xff, 0x00, },        /* ********.... */
           { 0xff, 0x80, },        /* *********... */
           { 0xfc, 0xc0, },        /* ******..**.. */
           { 0xdc, 0x00, },        /* **.***...... */
           { 0x8e, 0x00, },        /* *...***..... */
           { 0x0e, 0x00, },        /* ....***..... */
           { 0x07, 0x00, },        /* .....***.... */
           { 0x04, 0x00, },        /* .....*...... */
           { 0x00, 0x00, },        /* ............ */
           { 0x00, 0x00, },        /* ............ */
           { 0x00, 0x00, },        /* ............ */
           { 0x00, 0x00, },        /* ............ */
           { 0x00, 0x00, },        /* ............ */
           { 0x00, 0x00, },        /* ............ */
   };
   
   static int
   creator_init(int unit, video_adapter_t *adp, int flags)
   {
           struct creator_softc *sc;
           phandle_t options;
           video_info_t *vi;
           char buf[32];
           cell_t col;
           cell_t row;
           int i, j;
   
           sc = (struct creator_softc *)adp;
           vi = &adp->va_info;
   
           vid_init_struct(adp, "creator", -1, unit);
   
           options = OF_finddevice("/options");
           OF_getprop(options, "screen-#rows", buf, sizeof(buf));
           vi->vi_height = strtol(buf, NULL, 10);
           OF_getprop(options, "screen-#columns", buf, sizeof(buf));
           vi->vi_width = strtol(buf, NULL, 10);
           vi->vi_cwidth = 12;
           vi->vi_cheight = 22;
   
           sc->sc_font = gallant12x22_data;
           sc->sc_xmargin = (sc->sc_width - (vi->vi_width * vi->vi_cwidth)) / 2;
           sc->sc_ymargin = (sc->sc_height - (vi->vi_height * vi->vi_cheight)) / 2;
   
           sc->sc_bg_cache = -1;
           sc->sc_fg_cache = -1;
   
           creator_ras_wait(sc);
           sc->sc_fifo_cache = 0;
           creator_ras_fifo_wait(sc, 2);
   
           FFB_WRITE(sc, FFB_FBC, FFB_FBC_PPC, FBC_PPC_VCE_DIS |
               FBC_PPC_TBE_OPAQUE | FBC_PPC_APE_DIS | FBC_PPC_CS_CONST);
           FFB_WRITE(sc, FFB_FBC, FFB_FBC_FBC, FFB_FBC_WB_A | FFB_FBC_RB_A |
               FFB_FBC_SB_BOTH | FFB_FBC_XE_OFF | FFB_FBC_RGBE_MASK);
   
           FFB_WRITE(sc, FFB_DAC, FFB_DAC_TYPE, 0x8000);
           sc->sc_dac = (FFB_READ(sc, FFB_DAC, FFB_DAC_VALUE) >> 0x1c);
   
           FFB_WRITE(sc, FFB_DAC, FFB_DAC_TYPE2, 0x102);
           FFB_WRITE(sc, FFB_DAC, FFB_DAC_VALUE2, 0xffffff);
           FFB_WRITE(sc, FFB_DAC, FFB_DAC_VALUE2, 0x0);
   
           for (i = 0; i < 2; i++) {
                   FFB_WRITE(sc, FFB_DAC, FFB_DAC_TYPE2, i ? 0x0 : 0x80);
                   for (j = 0; j < 64; j++) {
                           FFB_WRITE(sc, FFB_DAC, FFB_DAC_VALUE2,
                               *(uint32_t *)(&creator_mouse_pointer[j][0]));
                           FFB_WRITE(sc, FFB_DAC, FFB_DAC_VALUE2, 
                               *(uint32_t *)(&creator_mouse_pointer[j][4]));
                   }
           }
   
           FFB_WRITE(sc, FFB_DAC, FFB_DAC_TYPE2, 0x100);
           FFB_WRITE(sc, FFB_DAC, FFB_DAC_VALUE2, 0x0);
   
           if (sc->sc_console) {
                   col = 0;
                   row = 0;
                   OF_interpret("stdout @ is my-self addr line# addr column# ",
                       2, &col, &row);
                   if (col != 0 && row != 0) {
                           sc->sc_colp = (int *)(col + 4);
                           sc->sc_rowp = (int *)(row + 4);
                   }
           } else {
                   creator_blank_display(&sc->sc_va, V_DISPLAY_ON);
           }
   
           creator_set_mode(&sc->sc_va, 0);
   
           vid_register(&sc->sc_va);
   
           return (0);
   }
   
   static int
   creator_get_info(video_adapter_t *adp, int mode, video_info_t *info)
   {
           bcopy(&adp->va_info, info, sizeof(*info));
           return (0);
   }
   
   static int
   creator_query_mode(video_adapter_t *adp, video_info_t *info)
   {
           TODO;
           return (0);
   }
   
   static int
   creator_set_mode(video_adapter_t *adp, int mode)
   {
           struct creator_softc *sc;
   
           sc = (struct creator_softc *)adp;
           creator_ras_fifo_wait(sc, 4);
           FFB_WRITE(sc, FFB_FBC, FFB_FBC_ROP, FBC_ROP_NEW);
           FFB_WRITE(sc, FFB_FBC, FFB_FBC_DRAWOP, FBC_DRAWOP_RECTANGLE);
           FFB_WRITE(sc, FFB_FBC, FFB_FBC_PMASK, 0xffffffff);
           FFB_WRITE(sc, FFB_FBC, FFB_FBC_FONTINC, 0x10000);
   
           creator_ras_setbg(sc, 0x0);
           creator_ras_setfg(sc, 0xffffff);
   
           creator_ras_fifo_wait(sc, 4);
           FFB_WRITE(sc, FFB_FBC, FFB_FBC_BX, 0);
           FFB_WRITE(sc, FFB_FBC, FFB_FBC_BY, 0);
           FFB_WRITE(sc, FFB_FBC, FFB_FBC_BH, sc->sc_height);
           FFB_WRITE(sc, FFB_FBC, FFB_FBC_BW, sc->sc_width);
   
           creator_ras_wait(sc);
   
           return (0);
   }
   
   static int
   creator_save_font(video_adapter_t *adp, int page, int size, u_char *data,
       int c, int count)
   {
           TODO;
           return (0);
   }
   
   static int
   creator_load_font(video_adapter_t *adp, int page, int size, u_char *data,
       int c, int count)
   {
           TODO;
           return (0);
   }
   
   static int
   creator_show_font(video_adapter_t *adp, int page)
   {
           TODO;
           return (0);
   }
   
   static int
   creator_save_palette(video_adapter_t *adp, u_char *palette)
   {
           /* TODO; */
           return (0);
   }
   
   static int
   creator_load_palette(video_adapter_t *adp, u_char *palette)
   {
           /* TODO; */
           return (0);
   }
   
   static int
   creator_set_border(video_adapter_t *adp, int border)
   {
           /* TODO; */
           return (0);
   }
   
   static int
   creator_save_state(video_adapter_t *adp, void *p, size_t size)
   {
           TODO;
           return (0);
   }
   
   static int
   creator_load_state(video_adapter_t *adp, void *p)
   {
           TODO;
           return (0);
   }
   
   static int
   creator_set_win_org(video_adapter_t *adp, off_t offset)
   {
           TODO;
           return (0);
   }
   
   static int
   creator_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
   {
           struct creator_softc *sc;
   
           sc = (struct creator_softc *)adp;
           if (sc->sc_colp != NULL && sc->sc_rowp != NULL) {
                   *col = *sc->sc_colp;
                   *row = *sc->sc_rowp;
           } else {
                   *col = 0;
                   *row = 0;
           }
           return (0);
   }
   
   static int
   creator_set_hw_cursor(video_adapter_t *adp, int col, int row)
   {
           struct creator_softc *sc;
   
           sc = (struct creator_softc *)adp;
           if (sc->sc_colp != NULL && sc->sc_rowp != NULL) {
                   *sc->sc_colp = col;
                   *sc->sc_rowp = row;
           }
           return (0);
   }
   
   static int
   creator_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
       int celsize, int blink)
   {
           return (0);
   }
   
   static int
   creator_blank_display(video_adapter_t *adp, int mode)
   {
           struct creator_softc *sc;
           int v;
   
           sc = (struct creator_softc *)adp;
           FFB_WRITE(sc, FFB_DAC, FFB_DAC_TYPE, 0x6000);
           v = FFB_READ(sc, FFB_DAC, FFB_DAC_VALUE);
           FFB_WRITE(sc, FFB_DAC, FFB_DAC_TYPE, 0x6000);
           if (mode == V_DISPLAY_ON)
                   v |= 0x1;
           else
                   v &= ~0x1;
           FFB_WRITE(sc, FFB_DAC, FFB_DAC_VALUE, v);
           return (0);
   }
   
   static int
   creator_mmap(video_adapter_t *adp, vm_offset_t offset, vm_paddr_t *paddr,
       int prot)
   {
           TODO;
           return (0);
   }
   
   static int
   creator_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
   {
           TODO;
           return (0);
   }
   
   static int
   creator_clear(video_adapter_t *adp)
   {
           TODO;
           return (0);
   }
   
   static int
   creator_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
   {
           TODO;
           return (0);
   }
   
   static int
   creator_bitblt(video_adapter_t *adp, ...)
   {
           TODO;
           return (0);
   }
   
   static int
   creator_diag(video_adapter_t *adp, int level)
   {
           TODO;
           return (0);
   }
   
   static int
   creator_save_cursor_palette(video_adapter_t *adp, u_char *palette)
   {
           TODO;
           return (0);
   }
   
   static int
   creator_load_cursor_palette(video_adapter_t *adp, u_char *palette)
   {
           TODO;
           return (0);
   }
   
   static int
   creator_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
   {
           TODO;
           return (0);
   }
   
   static int
   creator_putp(video_adapter_t *adp, vm_offset_t off, u_int32_t p, u_int32_t a,
       int size, int bpp, int bit_ltor, int byte_ltor)
   {
           TODO;
           return (0);
   }
   
   static int
   creator_putc(video_adapter_t *adp, vm_offset_t off, u_int8_t c, u_int8_t a)
   {
           struct creator_softc *sc;
           uint16_t *p;
           int row;
           int col;
           int i;
   
           sc = (struct creator_softc *)adp;
           row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
           col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
           p = (uint16_t *)sc->sc_font + (c * adp->va_info.vi_cheight);
           creator_ras_setfg(sc, cmap[a & 0xf]);
           creator_ras_setbg(sc, cmap[(a >> 4) & 0xf]);
           creator_ras_fifo_wait(sc, 2 + adp->va_info.vi_cheight);
           FFB_WRITE(sc, FFB_FBC, FFB_FBC_FONTXY,
               ((row + sc->sc_ymargin) << 16) | (col + sc->sc_xmargin));
           FFB_WRITE(sc, FFB_FBC, FFB_FBC_FONTW, adp->va_info.vi_cwidth);
           for (i = 0; i < adp->va_info.vi_cheight; i++) {
                   FFB_WRITE(sc, FFB_FBC, FFB_FBC_FONT, *p++ << 16);
           }
           return (0);
   }
   
   static int
   creator_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
   {
           int i;
   
           for (i = 0; i < len; i++) {
                   (*vidsw[adp->va_index]->putc)(adp, off + i, s[i] & 0xff,
                       (s[i] & 0xff00) >> 8);
           }
           return (0);
   }
   
   static int
   creator_putm(video_adapter_t *adp, int x, int y, u_int8_t *pixel_image,
       u_int32_t pixel_mask, int size)
   {
           struct creator_softc *sc;
   
           sc = (struct creator_softc *)adp;
           FFB_WRITE(sc, FFB_DAC, FFB_DAC_TYPE2, 0x104);
           FFB_WRITE(sc, FFB_DAC, FFB_DAC_VALUE2,
               ((y + sc->sc_ymargin) << 16) | (x + sc->sc_xmargin));
           return (0);
   }
   
   static void
   creator_ras_fifo_wait(struct creator_softc *sc, int n)
   {
           int cache;
   
           cache = sc->sc_fifo_cache;
           while (cache < n) {
                   cache = (FFB_READ(sc, FFB_FBC, FFB_FBC_UCSR) &
                       FBC_UCSR_FIFO_MASK) - 8;
           }
           sc->sc_fifo_cache = cache - n;
   }
   
   static void
   creator_ras_setbg(struct creator_softc *sc, int bg)
   {
   
           if (bg == sc->sc_bg_cache)
                   return;
           sc->sc_bg_cache = bg;
           creator_ras_fifo_wait(sc, 1);
           FFB_WRITE(sc, FFB_FBC, FFB_FBC_BG, bg);
           creator_ras_wait(sc);
   }
   
   static void
   creator_ras_setfg(struct creator_softc *sc, int fg)
   {
   
           if (fg == sc->sc_fg_cache)
                   return;
           sc->sc_fg_cache = fg;
           creator_ras_fifo_wait(sc, 1);
           FFB_WRITE(sc, FFB_FBC, FFB_FBC_FG, fg);
           creator_ras_wait(sc);
   }
   
   static void
   creator_ras_wait(struct creator_softc *sc)
   {
           int ucsr;
           int r;
   
           for (;;) {
                   ucsr = FFB_READ(sc, FFB_FBC, FFB_FBC_UCSR);
                   if ((ucsr & (FBC_UCSR_FB_BUSY|FBC_UCSR_RP_BUSY)) == 0)
                           break;
                   r = ucsr & (FBC_UCSR_READ_ERR | FBC_UCSR_FIFO_OVFL);
                   if (r != 0) {
                           FFB_WRITE(sc, FFB_FBC, FFB_FBC_UCSR, r);
                   }
           }
   }

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