/* $NetBSD: tfb.c,v 1.28 2000/10/27 07:24:04 nisimura Exp $ */ /* * Copyright (c) 1998, 1999 Tohru Nishimura. 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Tohru Nishimura * for the NetBSD Project. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. */ #include /* RCS ID & Copyright macro defns */ __KERNEL_RCSID(0, "$NetBSD: tfb.c,v 1.28 2000/10/27 07:24:04 nisimura Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if defined(pmax) #define machine_btop(x) mips_btop(x) #define MACHINE_KSEG0_TO_PHYS(x) MIPS_KSEG0_TO_PHYS(x) /* * struct bt463reg { * u_int8_t bt_lo; * unsigned : 24; * u_int8_t bt_hi; * unsigned : 24; * u_int8_t bt_reg; * unsigned : 24; * u_int8_t bt_cmap; * }; * * N.B. a pair of Bt431s are located adjascently. * struct bt431twin { * struct { * u_int8_t u0; for sprite mask * u_int8_t u1; for sprite image * unsigned :16; * } bt_lo; * ... * * struct bt431reg { * u_int16_t bt_lo; * unsigned : 16; * u_int16_t bt_hi; * unsigned : 16; * u_int16_t bt_ram; * unsigned : 16; * u_int16_t bt_ctl; * }; */ #define BYTE(base, index) *((u_int8_t *)(base) + ((index)<<2)) #define HALF(base, index) *((u_int16_t *)(base) + ((index)<<1)) #endif #if defined(__alpha__) || defined(alpha) #define machine_btop(x) alpha_btop(x) #define MACHINE_KSEG0_TO_PHYS(x) ALPHA_K0SEG_TO_PHYS(x) /* * struct bt463reg { * u_int32_t bt_lo; * u_int32_t bt_hi; * u_int32_t bt_reg; * u_int32_t bt_cmap; * }; * * struct bt431reg { * u_int32_t bt_lo; * u_int32_t bt_hi; * u_int32_t bt_ram; * u_int32_t bt_ctl; * }; */ #define BYTE(base, index) *((u_int32_t *)(base) + (index)) #define HALF(base, index) *((u_int32_t *)(base) + (index)) #endif /* Bt463 hardware registers */ #define bt_lo 0 #define bt_hi 1 #define bt_reg 2 #define bt_cmap 3 /* Bt431 hardware registers */ #define bt_ram 2 #define bt_ctl 3 #define SELECT463(vdac, regno) do { \ BYTE(vdac, bt_lo) = (regno) & 0x00ff; \ BYTE(vdac, bt_hi) = ((regno)& 0xff00) >> 8; \ tc_wmb(); \ } while (0) #define TWIN(x) ((x) | ((x) << 8)) #define TWIN_LO(x) (twin = (x) & 0x00ff, (twin << 8) | twin) #define TWIN_HI(x) (twin = (x) & 0xff00, twin | (twin >> 8)) #define SELECT431(curs, regno) do { \ HALF(curs, bt_lo) = TWIN(regno);\ HALF(curs, bt_hi) = 0; \ tc_wmb(); \ } while (0) struct fb_devconfig { vaddr_t dc_vaddr; /* memory space virtual base address */ paddr_t dc_paddr; /* memory space physical base address */ vsize_t dc_size; /* size of slot memory */ int dc_wid; /* width of frame buffer */ int dc_ht; /* height of frame buffer */ int dc_depth; /* depth, bits per pixel */ int dc_rowbytes; /* bytes in a FB scan line */ vaddr_t dc_videobase; /* base of flat frame buffer */ int dc_blanked; /* currently has video disabled */ struct rasops_info rinfo; }; struct hwcmap256 { #define CMAP_SIZE 256 /* R/G/B entries */ u_int8_t r[CMAP_SIZE]; u_int8_t g[CMAP_SIZE]; u_int8_t b[CMAP_SIZE]; }; struct hwcursor64 { struct wsdisplay_curpos cc_pos; struct wsdisplay_curpos cc_hot; struct wsdisplay_curpos cc_size; struct wsdisplay_curpos cc_magic; #define CURSOR_MAX_SIZE 64 u_int8_t cc_color[6]; u_int64_t cc_image[64 + 64]; }; struct tfb_softc { struct device sc_dev; struct fb_devconfig *sc_dc; /* device configuration */ struct hwcmap256 sc_cmap; /* software copy of colormap */ struct hwcursor64 sc_cursor; /* software copy of cursor */ int sc_curenb; /* cursor sprite enabled */ int sc_changed; /* need update of colormap */ #define DATA_ENB_CHANGED 0x01 /* cursor enable changed */ #define DATA_CURCMAP_CHANGED 0x02 /* cursor colormap changed */ #define DATA_CURSHAPE_CHANGED 0x04 /* cursor size, image, mask changed */ #define DATA_CMAP_CHANGED 0x08 /* colormap changed */ #define DATA_ALL_CHANGED 0x0f int nscreens; }; #define TX_MAGIC_X 360 #define TX_MAGIC_Y 36 #define TX_BT463_OFFSET 0x040000 #define TX_BT431_OFFSET 0x040010 #define TX_CONTROL 0x040030 #define TX_MAP_REGISTER 0x040030 #define TX_PIP_OFFSET 0x0800c0 #define TX_SELECTION 0x100000 #define TX_8BPP_OFFSET 0x200000 #define TX_8BPP_SIZE 0x200000 #define TX_24BPP_OFFSET 0x400000 #define TX_24BPP_SIZE 0x600000 #define TX_VIDEO_ENABLE 0xa00000 #define TX_CTL_VIDEO_ON 0x80 #define TX_CTL_INT_ENA 0x40 #define TX_CTL_INT_PEND 0x20 #define TX_CTL_SEG_ENA 0x10 #define TX_CTL_SEG 0x0f static int tfbmatch __P((struct device *, struct cfdata *, void *)); static void tfbattach __P((struct device *, struct device *, void *)); const struct cfattach tfb_ca = { sizeof(struct tfb_softc), tfbmatch, tfbattach, }; static void tfb_getdevconfig __P((tc_addr_t, struct fb_devconfig *)); static struct fb_devconfig tfb_console_dc; static tc_addr_t tfb_consaddr; static struct wsscreen_descr tfb_stdscreen = { "std", 0, 0, 0, /* textops */ 0, 0, WSSCREEN_REVERSE }; static const struct wsscreen_descr *_tfb_scrlist[] = { &tfb_stdscreen, }; static const struct wsscreen_list tfb_screenlist = { sizeof(_tfb_scrlist) / sizeof(struct wsscreen_descr *), _tfb_scrlist }; static int tfbioctl __P((void *, u_long, caddr_t, int, struct proc *)); static paddr_t tfbmmap __P((void *, off_t, int)); static int tfb_alloc_screen __P((void *, const struct wsscreen_descr *, void **, int *, int *, long *)); static void tfb_free_screen __P((void *, void *)); static int tfb_show_screen __P((void *, void *, int, void (*) (void *, int, int), void *)); static const struct wsdisplay_accessops tfb_accessops = { tfbioctl, tfbmmap, tfb_alloc_screen, tfb_free_screen, tfb_show_screen, 0 /* load_font */ }; int tfb_cnattach __P((tc_addr_t)); static int tfbintr __P((void *)); static void tfbinit __P((struct fb_devconfig *)); static int get_cmap __P((struct tfb_softc *, struct wsdisplay_cmap *)); static int set_cmap __P((struct tfb_softc *, struct wsdisplay_cmap *)); static int set_cursor __P((struct tfb_softc *, struct wsdisplay_cursor *)); static int get_cursor __P((struct tfb_softc *, struct wsdisplay_cursor *)); static void set_curpos __P((struct tfb_softc *, struct wsdisplay_curpos *)); static void bt431_set_curpos __P((struct tfb_softc *)); /* bit order reverse */ static const u_int8_t flip[256] = { 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff, }; static int tfbmatch(parent, match, aux) struct device *parent; struct cfdata *match; void *aux; { struct tc_attach_args *ta = aux; if (strncmp("PMAG-RO ", ta->ta_modname, TC_ROM_LLEN) != 0 && strncmp("PMAG-JA ", ta->ta_modname, TC_ROM_LLEN) != 0) return (0); return (1); } static void tfb_getdevconfig(dense_addr, dc) tc_addr_t dense_addr; struct fb_devconfig *dc; { int i, cookie; dc->dc_vaddr = dense_addr; dc->dc_paddr = MACHINE_KSEG0_TO_PHYS(dc->dc_vaddr); dc->dc_wid = 1280; dc->dc_ht = 1024; dc->dc_depth = 8; dc->dc_rowbytes = 1280; dc->dc_videobase = dc->dc_vaddr + TX_8BPP_OFFSET; dc->dc_blanked = 0; /* initialize colormap and cursor resource */ tfbinit(dc); /* clear the screen */ for (i = 0; i < dc->dc_ht * dc->dc_rowbytes; i += sizeof(u_int32_t)) *(u_int32_t *)(dc->dc_videobase + i) = 0x0; dc->rinfo.ri_flg = RI_CENTER; dc->rinfo.ri_depth = dc->dc_depth; dc->rinfo.ri_bits = (void *)dc->dc_videobase; dc->rinfo.ri_width = dc->dc_wid; dc->rinfo.ri_height = dc->dc_ht; dc->rinfo.ri_stride = dc->dc_rowbytes; wsfont_init(); /* prefer 8 pixel wide font */ if ((cookie = wsfont_find(NULL, 8, 0, 0)) <= 0) cookie = wsfont_find(NULL, 0, 0, 0); if (cookie <= 0) { printf("tfb: font table is empty\n"); return; } if (wsfont_lock(cookie, &dc->rinfo.ri_font, WSDISPLAY_FONTORDER_L2R, WSDISPLAY_FONTORDER_L2R) <= 0) { printf("tfb: couldn't lock font\n"); return; } dc->rinfo.ri_wsfcookie = cookie; rasops_init(&dc->rinfo, 34, 80); /* XXX shouldn't be global */ tfb_stdscreen.nrows = dc->rinfo.ri_rows; tfb_stdscreen.ncols = dc->rinfo.ri_cols; tfb_stdscreen.textops = &dc->rinfo.ri_ops; tfb_stdscreen.capabilities = dc->rinfo.ri_caps; } static void tfbattach(parent, self, aux) struct device *parent, *self; void *aux; { struct tfb_softc *sc = (struct tfb_softc *)self; struct tc_attach_args *ta = aux; struct wsemuldisplaydev_attach_args waa; struct hwcmap256 *cm; const u_int8_t *p; int console, index; console = (ta->ta_addr == tfb_consaddr); if (console) { sc->sc_dc = &tfb_console_dc; sc->nscreens = 1; } else { sc->sc_dc = (struct fb_devconfig *) malloc(sizeof(struct fb_devconfig), M_DEVBUF, M_WAITOK); tfb_getdevconfig(ta->ta_addr, sc->sc_dc); } printf(": %d x %d, 8,24bpp\n", sc->sc_dc->dc_wid, sc->sc_dc->dc_ht); cm = &sc->sc_cmap; p = rasops_cmap; for (index = 0; index < CMAP_SIZE; index++, p += 3) { cm->r[index] = p[0]; cm->g[index] = p[1]; cm->b[index] = p[2]; } sc->sc_cursor.cc_magic.x = TX_MAGIC_X; sc->sc_cursor.cc_magic.y = TX_MAGIC_Y; tc_intr_establish(parent, ta->ta_cookie, IPL_TTY, tfbintr, sc); *(u_int8_t *)(sc->sc_dc->dc_vaddr + TX_CONTROL) &= ~0x40; *(u_int8_t *)(sc->sc_dc->dc_vaddr + TX_CONTROL) |= 0x40; waa.console = console; waa.scrdata = &tfb_screenlist; waa.accessops = &tfb_accessops; waa.accesscookie = sc; config_found(self, &waa, wsemuldisplaydevprint); } static int tfbioctl(v, cmd, data, flag, p) void *v; u_long cmd; caddr_t data; int flag; struct proc *p; { struct tfb_softc *sc = v; struct fb_devconfig *dc = sc->sc_dc; int turnoff; switch (cmd) { case WSDISPLAYIO_GTYPE: *(u_int *)data = WSDISPLAY_TYPE_TX; return (0); case WSDISPLAYIO_GINFO: #define wsd_fbip ((struct wsdisplay_fbinfo *)data) wsd_fbip->height = sc->sc_dc->dc_ht; wsd_fbip->width = sc->sc_dc->dc_wid; wsd_fbip->depth = sc->sc_dc->dc_depth; wsd_fbip->cmsize = CMAP_SIZE; #undef fbt return (0); case WSDISPLAYIO_GETCMAP: return get_cmap(sc, (struct wsdisplay_cmap *)data); case WSDISPLAYIO_PUTCMAP: return set_cmap(sc, (struct wsdisplay_cmap *)data); case WSDISPLAYIO_SVIDEO: turnoff = *(int *)data == WSDISPLAYIO_VIDEO_OFF; if ((dc->dc_blanked == 0) ^ turnoff) { dc->dc_blanked = turnoff; #if 0 /* XXX later XXX */ To turn off; - clear the MSB of TX control register; &= ~0x80, - assign Bt431 register #0 with value 0x4 to hide sprite cursor. #endif /* XXX XXX XXX */ } return (0); case WSDISPLAYIO_GVIDEO: *(u_int *)data = dc->dc_blanked ? WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON; return (0); case WSDISPLAYIO_GCURPOS: *(struct wsdisplay_curpos *)data = sc->sc_cursor.cc_pos; return (0); case WSDISPLAYIO_SCURPOS: set_curpos(sc, (struct wsdisplay_curpos *)data); bt431_set_curpos(sc); return (0); case WSDISPLAYIO_GCURMAX: ((struct wsdisplay_curpos *)data)->x = ((struct wsdisplay_curpos *)data)->y = CURSOR_MAX_SIZE; return (0); case WSDISPLAYIO_GCURSOR: return get_cursor(sc, (struct wsdisplay_cursor *)data); case WSDISPLAYIO_SCURSOR: return set_cursor(sc, (struct wsdisplay_cursor *)data); } return (ENOTTY); } static paddr_t tfbmmap(v, offset, prot) void *v; off_t offset; int prot; { struct tfb_softc *sc = v; if (offset >= TX_8BPP_SIZE || offset < 0) return (-1); return machine_btop(sc->sc_dc->dc_paddr + TX_8BPP_OFFSET + offset); } static int tfb_alloc_screen(v, type, cookiep, curxp, curyp, attrp) void *v; const struct wsscreen_descr *type; void **cookiep; int *curxp, *curyp; long *attrp; { struct tfb_softc *sc = v; long defattr; if (sc->nscreens > 0) return (ENOMEM); *cookiep = &sc->sc_dc->rinfo; /* one and only for now */ *curxp = 0; *curyp = 0; (*sc->sc_dc->rinfo.ri_ops.alloc_attr)(&sc->sc_dc->rinfo, 0, 0, 0, &defattr); *attrp = defattr; sc->nscreens++; return (0); } static void tfb_free_screen(v, cookie) void *v; void *cookie; { struct tfb_softc *sc = v; if (sc->sc_dc == &tfb_console_dc) panic("tfb_free_screen: console"); sc->nscreens--; } static int tfb_show_screen(v, cookie, waitok, cb, cbarg) void *v; void *cookie; int waitok; void (*cb) __P((void *, int, int)); void *cbarg; { return (0); } /* EXPORT */ int tfb_cnattach(addr) tc_addr_t addr; { struct fb_devconfig *dcp = &tfb_console_dc; long defattr; tfb_getdevconfig(addr, dcp); (*dcp->rinfo.ri_ops.alloc_attr)(&dcp->rinfo, 0, 0, 0, &defattr); wsdisplay_cnattach(&tfb_stdscreen, &dcp->rinfo, 0, 0, defattr); tfb_consaddr = addr; return (0); } static int tfbintr(arg) void *arg; { struct tfb_softc *sc = arg; caddr_t tfbbase = (caddr_t)sc->sc_dc->dc_vaddr; void *vdac, *curs; int v; *(u_int8_t *)(tfbbase + TX_CONTROL) &= ~0x40; if (sc->sc_changed == 0) goto done; vdac = (void *)(tfbbase + TX_BT463_OFFSET); curs = (void *)(tfbbase + TX_BT431_OFFSET); v = sc->sc_changed; sc->sc_changed = 0; if (v & DATA_ENB_CHANGED) { SELECT431(curs, BT431_REG_COMMAND); HALF(curs, bt_ctl) = (sc->sc_curenb) ? 0x4444 : 0x0404; } if (v & DATA_CURCMAP_CHANGED) { u_int8_t *cp = sc->sc_cursor.cc_color; SELECT463(vdac, BT463_IREG_CURSOR_COLOR_0); BYTE(vdac, bt_reg) = cp[1]; tc_wmb(); BYTE(vdac, bt_reg) = cp[3]; tc_wmb(); BYTE(vdac, bt_reg) = cp[5]; tc_wmb(); BYTE(vdac, bt_reg) = cp[0]; tc_wmb(); BYTE(vdac, bt_reg) = cp[2]; tc_wmb(); BYTE(vdac, bt_reg) = cp[4]; tc_wmb(); BYTE(vdac, bt_reg) = cp[1]; tc_wmb(); BYTE(vdac, bt_reg) = cp[3]; tc_wmb(); BYTE(vdac, bt_reg) = cp[5]; tc_wmb(); BYTE(vdac, bt_reg) = cp[1]; tc_wmb(); BYTE(vdac, bt_reg) = cp[3]; tc_wmb(); BYTE(vdac, bt_reg) = cp[5]; tc_wmb(); } if (v & DATA_CURSHAPE_CHANGED) { u_int8_t *ip, *mp, img, msk; int bcnt; ip = (u_int8_t *)sc->sc_cursor.cc_image; mp = (u_int8_t *)(sc->sc_cursor.cc_image + CURSOR_MAX_SIZE); bcnt = 0; SELECT431(curs, BT431_REG_CRAM_BASE); /* 64 pixel scan line is consisted with 16 byte cursor ram */ while (bcnt < sc->sc_cursor.cc_size.y * 16) { /* pad right half 32 pixel when smaller than 33 */ if ((bcnt & 0x8) && sc->sc_cursor.cc_size.x < 33) { HALF(curs, bt_ram) = 0; tc_wmb(); } else { img = *ip++; msk = *mp++; img &= msk; /* cookie off image */ HALF(curs, bt_ram) = (flip[img] << 8) | flip[msk]; tc_wmb(); } bcnt += 2; } /* pad unoccupied scan lines */ while (bcnt < CURSOR_MAX_SIZE * 16) { HALF(curs, bt_ram) = 0; tc_wmb(); bcnt += 2; } } if (v & DATA_CMAP_CHANGED) { struct hwcmap256 *cm = &sc->sc_cmap; int index; SELECT463(vdac, BT463_IREG_CPALETTE_RAM); for (index = 0; index < CMAP_SIZE; index++) { BYTE(vdac, bt_cmap) = cm->r[index]; BYTE(vdac, bt_cmap) = cm->g[index]; BYTE(vdac, bt_cmap) = cm->b[index]; } } done: *(u_int8_t *)(tfbbase + TX_CONTROL) &= ~0x40; /* !? Eeeh !? */ *(u_int8_t *)(tfbbase + TX_CONTROL) |= 0x40; return (1); } static void tfbinit(dc) struct fb_devconfig *dc; { caddr_t tfbbase = (caddr_t)dc->dc_vaddr; void *vdac = (void *)(tfbbase + TX_BT463_OFFSET); void *curs = (void *)(tfbbase + TX_BT431_OFFSET); const u_int8_t *p; int i; SELECT463(vdac, BT463_IREG_COMMAND_0); BYTE(vdac, bt_reg) = 0x40; tc_wmb(); /* CMD 0 */ BYTE(vdac, bt_reg) = 0x46; tc_wmb(); /* CMD 1 */ BYTE(vdac, bt_reg) = 0xc0; tc_wmb(); /* CMD 2 */ BYTE(vdac, bt_reg) = 0; tc_wmb(); /* !? 204 !? */ BYTE(vdac, bt_reg) = 0xff; tc_wmb(); /* plane 0:7 */ BYTE(vdac, bt_reg) = 0xff; tc_wmb(); /* plane 8:15 */ BYTE(vdac, bt_reg) = 0xff; tc_wmb(); /* plane 16:23 */ BYTE(vdac, bt_reg) = 0xff; tc_wmb(); /* plane 24:27 */ BYTE(vdac, bt_reg) = 0x00; tc_wmb(); /* blink 0:7 */ BYTE(vdac, bt_reg) = 0x00; tc_wmb(); /* blink 8:15 */ BYTE(vdac, bt_reg) = 0x00; tc_wmb(); /* blink 16:23 */ BYTE(vdac, bt_reg) = 0x00; tc_wmb(); /* blink 24:27 */ BYTE(vdac, bt_reg) = 0x00; tc_wmb(); #if 0 /* XXX ULTRIX does initialize 16 entry window type here XXX */ { static u_int32_t windowtype[BT463_IREG_WINDOW_TYPE_TABLE] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }; SELECT463(vdac, BT463_IREG_WINDOW_TYPE_TABLE); for (i = 0; i < BT463_NWTYPE_ENTRIES; i++) { BYTE(vdac, bt_reg) = windowtype[i]; /* 0:7 */ BYTE(vdac, bt_reg) = windowtype[i] >> 8; /* 8:15 */ BYTE(vdac, bt_reg) = windowtype[i] >> 16; /* 16:23 */ } } #endif SELECT463(vdac, BT463_IREG_CPALETTE_RAM); p = rasops_cmap; for (i = 0; i < 256; i++, p += 3) { BYTE(vdac, bt_cmap) = p[0]; tc_wmb(); BYTE(vdac, bt_cmap) = p[1]; tc_wmb(); BYTE(vdac, bt_cmap) = p[2]; tc_wmb(); } /* !? Eeeh !? */ SELECT463(vdac, 0x0100 /* BT463_IREG_CURSOR_COLOR_0 */); for (i = 0; i < 256; i++) { BYTE(vdac, bt_cmap) = i; tc_wmb(); BYTE(vdac, bt_cmap) = i; tc_wmb(); BYTE(vdac, bt_cmap) = i; tc_wmb(); } SELECT431(curs, BT431_REG_COMMAND); HALF(curs, bt_ctl) = 0x0404; tc_wmb(); HALF(curs, bt_ctl) = 0; /* XLO */ tc_wmb(); HALF(curs, bt_ctl) = 0; /* XHI */ tc_wmb(); HALF(curs, bt_ctl) = 0; /* YLO */ tc_wmb(); HALF(curs, bt_ctl) = 0; /* YHI */ tc_wmb(); HALF(curs, bt_ctl) = 0; /* XWLO */ tc_wmb(); HALF(curs, bt_ctl) = 0; /* XWHI */ tc_wmb(); HALF(curs, bt_ctl) = 0; /* WYLO */ tc_wmb(); HALF(curs, bt_ctl) = 0; /* WYLO */ tc_wmb(); HALF(curs, bt_ctl) = 0; /* WWLO */ tc_wmb(); HALF(curs, bt_ctl) = 0; /* WWHI */ tc_wmb(); HALF(curs, bt_ctl) = 0; /* WHLO */ tc_wmb(); HALF(curs, bt_ctl) = 0; /* WHHI */ tc_wmb(); SELECT431(curs, BT431_REG_CRAM_BASE); for (i = 0; i < 512; i++) { HALF(curs, bt_ram) = 0; tc_wmb(); } } static int get_cmap(sc, p) struct tfb_softc *sc; struct wsdisplay_cmap *p; { u_int index = p->index, count = p->count; if (index >= CMAP_SIZE || (index + count) > CMAP_SIZE) return (EINVAL); if (!uvm_useracc(p->red, count, B_WRITE) || !uvm_useracc(p->green, count, B_WRITE) || !uvm_useracc(p->blue, count, B_WRITE)) return (EFAULT); copyout(&sc->sc_cmap.r[index], p->red, count); copyout(&sc->sc_cmap.g[index], p->green, count); copyout(&sc->sc_cmap.b[index], p->blue, count); return (0); } static int set_cmap(sc, p) struct tfb_softc *sc; struct wsdisplay_cmap *p; { u_int index = p->index, count = p->count; if (index >= CMAP_SIZE || (index + count) > CMAP_SIZE) return (EINVAL); if (!uvm_useracc(p->red, count, B_READ) || !uvm_useracc(p->green, count, B_READ) || !uvm_useracc(p->blue, count, B_READ)) return (EFAULT); copyin(p->red, &sc->sc_cmap.r[index], count); copyin(p->green, &sc->sc_cmap.g[index], count); copyin(p->blue, &sc->sc_cmap.b[index], count); sc->sc_changed |= DATA_CMAP_CHANGED; return (0); } static int set_cursor(sc, p) struct tfb_softc *sc; struct wsdisplay_cursor *p; { #define cc (&sc->sc_cursor) int v, index, count, icount; v = p->which; if (v & WSDISPLAY_CURSOR_DOCMAP) { index = p->cmap.index; count = p->cmap.count; if (index >= 2 || (index + count) > 2) return (EINVAL); if (!uvm_useracc(p->cmap.red, count, B_READ) || !uvm_useracc(p->cmap.green, count, B_READ) || !uvm_useracc(p->cmap.blue, count, B_READ)) return (EFAULT); } if (v & WSDISPLAY_CURSOR_DOSHAPE) { if (p->size.x > CURSOR_MAX_SIZE || p->size.y > CURSOR_MAX_SIZE) return (EINVAL); icount = ((p->size.x < 33) ? 4 : 8) * p->size.y; if (!uvm_useracc(p->image, icount, B_READ) || !uvm_useracc(p->mask, icount, B_READ)) return (EFAULT); } if (v & (WSDISPLAY_CURSOR_DOPOS | WSDISPLAY_CURSOR_DOCUR)) { if (v & WSDISPLAY_CURSOR_DOCUR) cc->cc_hot = p->hot; if (v & WSDISPLAY_CURSOR_DOPOS) set_curpos(sc, &p->pos); bt431_set_curpos(sc); } sc->sc_changed = 0; if (v & WSDISPLAY_CURSOR_DOCUR) { sc->sc_curenb = p->enable; sc->sc_changed |= DATA_ENB_CHANGED; } if (v & WSDISPLAY_CURSOR_DOCMAP) { copyin(p->cmap.red, &cc->cc_color[index], count); copyin(p->cmap.green, &cc->cc_color[index + 2], count); copyin(p->cmap.blue, &cc->cc_color[index + 4], count); sc->sc_changed |= DATA_CURCMAP_CHANGED; } if (v & WSDISPLAY_CURSOR_DOSHAPE) { cc->cc_size = p->size; memset(cc->cc_image, 0, sizeof cc->cc_image); copyin(p->image, cc->cc_image, icount); copyin(p->mask, cc->cc_image+CURSOR_MAX_SIZE, icount); sc->sc_changed |= DATA_CURSHAPE_CHANGED; } return (0); #undef cc } static int get_cursor(sc, p) struct tfb_softc *sc; struct wsdisplay_cursor *p; { return (ENOTTY); /* XXX */ } static void set_curpos(sc, curpos) struct tfb_softc *sc; struct wsdisplay_curpos *curpos; { struct fb_devconfig *dc = sc->sc_dc; int x = curpos->x, y = curpos->y; if (y < 0) y = 0; else if (y > dc->dc_ht) y = dc->dc_ht; if (x < 0) x = 0; else if (x > dc->dc_wid) x = dc->dc_wid; sc->sc_cursor.cc_pos.x = x; sc->sc_cursor.cc_pos.y = y; } static void bt431_set_curpos(sc) struct tfb_softc *sc; { caddr_t tfbbase = (caddr_t)sc->sc_dc->dc_vaddr; void *curs = (void *)(tfbbase + TX_BT431_OFFSET); u_int16_t twin; int x, y, s; x = sc->sc_cursor.cc_pos.x - sc->sc_cursor.cc_hot.x; y = sc->sc_cursor.cc_pos.y - sc->sc_cursor.cc_hot.y; x += sc->sc_cursor.cc_magic.x; y += sc->sc_cursor.cc_magic.y; s = spltty(); SELECT431(curs, BT431_REG_CURSOR_X_LOW); HALF(curs, bt_ctl) = TWIN_LO(x); tc_wmb(); HALF(curs, bt_ctl) = TWIN_HI(x); tc_wmb(); HALF(curs, bt_ctl) = TWIN_LO(y); tc_wmb(); HALF(curs, bt_ctl) = TWIN_HI(y); tc_wmb(); splx(s); }