mgx.c revision 1.4.2.2
1 1.4.2.2 skrll /* $NetBSD: mgx.c,v 1.4.2.2 2015/04/06 15:18:13 skrll Exp $ */ 2 1.4.2.2 skrll 3 1.4.2.2 skrll /*- 4 1.4.2.2 skrll * Copyright (c) 2014 Michael Lorenz 5 1.4.2.2 skrll * All rights reserved. 6 1.4.2.2 skrll * 7 1.4.2.2 skrll * Redistribution and use in source and binary forms, with or without 8 1.4.2.2 skrll * modification, are permitted provided that the following conditions 9 1.4.2.2 skrll * are met: 10 1.4.2.2 skrll * 1. Redistributions of source code must retain the above copyright 11 1.4.2.2 skrll * notice, this list of conditions and the following disclaimer. 12 1.4.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 13 1.4.2.2 skrll * notice, this list of conditions and the following disclaimer in the 14 1.4.2.2 skrll * documentation and/or other materials provided with the distribution. 15 1.4.2.2 skrll * 16 1.4.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 1.4.2.2 skrll * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 1.4.2.2 skrll * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 1.4.2.2 skrll * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 1.4.2.2 skrll * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 1.4.2.2 skrll * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 1.4.2.2 skrll * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 1.4.2.2 skrll * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 1.4.2.2 skrll * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 1.4.2.2 skrll * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.4.2.2 skrll * POSSIBILITY OF SUCH DAMAGE. 27 1.4.2.2 skrll */ 28 1.4.2.2 skrll 29 1.4.2.2 skrll /* a console driver for the SSB 4096V-MGX graphics card */ 30 1.4.2.2 skrll 31 1.4.2.2 skrll #include <sys/cdefs.h> 32 1.4.2.2 skrll __KERNEL_RCSID(0, "$NetBSD: mgx.c,v 1.4.2.2 2015/04/06 15:18:13 skrll Exp $"); 33 1.4.2.2 skrll 34 1.4.2.2 skrll #include <sys/param.h> 35 1.4.2.2 skrll #include <sys/systm.h> 36 1.4.2.2 skrll #include <sys/buf.h> 37 1.4.2.2 skrll #include <sys/device.h> 38 1.4.2.2 skrll #include <sys/ioctl.h> 39 1.4.2.2 skrll #include <sys/conf.h> 40 1.4.2.2 skrll #include <sys/kmem.h> 41 1.4.2.2 skrll 42 1.4.2.2 skrll #include <sys/bus.h> 43 1.4.2.2 skrll #include <machine/autoconf.h> 44 1.4.2.2 skrll 45 1.4.2.2 skrll #include <dev/sbus/sbusvar.h> 46 1.4.2.2 skrll #include <dev/sun/fbio.h> 47 1.4.2.2 skrll #include <dev/sun/fbvar.h> 48 1.4.2.2 skrll 49 1.4.2.2 skrll #include <dev/wscons/wsdisplayvar.h> 50 1.4.2.2 skrll #include <dev/wscons/wsconsio.h> 51 1.4.2.2 skrll #include <dev/wsfont/wsfont.h> 52 1.4.2.2 skrll #include <dev/rasops/rasops.h> 53 1.4.2.2 skrll 54 1.4.2.2 skrll #include <dev/wscons/wsdisplay_vconsvar.h> 55 1.4.2.2 skrll #include <dev/wscons/wsdisplay_glyphcachevar.h> 56 1.4.2.2 skrll 57 1.4.2.2 skrll #include <dev/ic/vgareg.h> 58 1.4.2.2 skrll #include <dev/sbus/mgxreg.h> 59 1.4.2.2 skrll 60 1.4.2.2 skrll #include "opt_wsemul.h" 61 1.4.2.2 skrll 62 1.4.2.2 skrll 63 1.4.2.2 skrll struct mgx_softc { 64 1.4.2.2 skrll device_t sc_dev; 65 1.4.2.2 skrll bus_space_tag_t sc_tag; 66 1.4.2.2 skrll bus_space_handle_t sc_blith; 67 1.4.2.2 skrll bus_space_handle_t sc_vgah; 68 1.4.2.2 skrll bus_addr_t sc_paddr; 69 1.4.2.2 skrll void *sc_fbaddr; 70 1.4.2.2 skrll int sc_width; 71 1.4.2.2 skrll int sc_height; 72 1.4.2.2 skrll int sc_stride; 73 1.4.2.2 skrll int sc_fbsize; 74 1.4.2.2 skrll int sc_mode; 75 1.4.2.2 skrll uint32_t sc_dec; 76 1.4.2.2 skrll u_char sc_cmap_red[256]; 77 1.4.2.2 skrll u_char sc_cmap_green[256]; 78 1.4.2.2 skrll u_char sc_cmap_blue[256]; 79 1.4.2.2 skrll void (*sc_putchar)(void *, int, int, u_int, long); 80 1.4.2.2 skrll struct vcons_screen sc_console_screen; 81 1.4.2.2 skrll struct wsscreen_descr sc_defaultscreen_descr; 82 1.4.2.2 skrll const struct wsscreen_descr *sc_screens[1]; 83 1.4.2.2 skrll struct wsscreen_list sc_screenlist; 84 1.4.2.2 skrll struct vcons_data vd; 85 1.4.2.2 skrll glyphcache sc_gc; 86 1.4.2.2 skrll }; 87 1.4.2.2 skrll 88 1.4.2.2 skrll static int mgx_match(device_t, cfdata_t, void *); 89 1.4.2.2 skrll static void mgx_attach(device_t, device_t, void *); 90 1.4.2.2 skrll static int mgx_ioctl(void *, void *, u_long, void *, int, 91 1.4.2.2 skrll struct lwp*); 92 1.4.2.2 skrll static paddr_t mgx_mmap(void *, void *, off_t, int); 93 1.4.2.2 skrll static void mgx_init_screen(void *, struct vcons_screen *, int, 94 1.4.2.2 skrll long *); 95 1.4.2.2 skrll static void mgx_write_dac(struct mgx_softc *, int, int, int, int); 96 1.4.2.2 skrll static void mgx_setup(struct mgx_softc *, int); 97 1.4.2.2 skrll static void mgx_init_palette(struct mgx_softc *); 98 1.4.2.2 skrll static int mgx_putcmap(struct mgx_softc *, struct wsdisplay_cmap *); 99 1.4.2.2 skrll static int mgx_getcmap(struct mgx_softc *, struct wsdisplay_cmap *); 100 1.4.2.2 skrll static int mgx_wait_engine(struct mgx_softc *); 101 1.4.2.2 skrll static int mgx_wait_fifo(struct mgx_softc *, unsigned int); 102 1.4.2.2 skrll 103 1.4.2.2 skrll static void mgx_bitblt(void *, int, int, int, int, int, int, int); 104 1.4.2.2 skrll static void mgx_rectfill(void *, int, int, int, int, long); 105 1.4.2.2 skrll 106 1.4.2.2 skrll static void mgx_putchar(void *, int, int, u_int, long); 107 1.4.2.2 skrll static void mgx_cursor(void *, int, int, int); 108 1.4.2.2 skrll static void mgx_copycols(void *, int, int, int, int); 109 1.4.2.2 skrll static void mgx_erasecols(void *, int, int, int, long); 110 1.4.2.2 skrll static void mgx_copyrows(void *, int, int, int); 111 1.4.2.2 skrll static void mgx_eraserows(void *, int, int, long); 112 1.4.2.2 skrll 113 1.4.2.2 skrll CFATTACH_DECL_NEW(mgx, sizeof(struct mgx_softc), 114 1.4.2.2 skrll mgx_match, mgx_attach, NULL, NULL); 115 1.4.2.2 skrll 116 1.4.2.2 skrll struct wsdisplay_accessops mgx_accessops = { 117 1.4.2.2 skrll mgx_ioctl, 118 1.4.2.2 skrll mgx_mmap, 119 1.4.2.2 skrll NULL, /* vcons_alloc_screen */ 120 1.4.2.2 skrll NULL, /* vcons_free_screen */ 121 1.4.2.2 skrll NULL, /* vcons_show_screen */ 122 1.4.2.2 skrll NULL, /* load_font */ 123 1.4.2.2 skrll NULL, /* polls */ 124 1.4.2.2 skrll NULL, /* scroll */ 125 1.4.2.2 skrll }; 126 1.4.2.2 skrll 127 1.4.2.2 skrll static int 128 1.4.2.2 skrll mgx_match(device_t parent, cfdata_t cf, void *aux) 129 1.4.2.2 skrll { 130 1.4.2.2 skrll struct sbus_attach_args *sa = aux; 131 1.4.2.2 skrll 132 1.4.2.2 skrll if (strcmp("SMSI,mgx", sa->sa_name) == 0) 133 1.4.2.2 skrll return 100; 134 1.4.2.2 skrll return 0; 135 1.4.2.2 skrll } 136 1.4.2.2 skrll 137 1.4.2.2 skrll /* 138 1.4.2.2 skrll * Attach a display. We need to notice if it is the console, too. 139 1.4.2.2 skrll */ 140 1.4.2.2 skrll static void 141 1.4.2.2 skrll mgx_attach(device_t parent, device_t self, void *args) 142 1.4.2.2 skrll { 143 1.4.2.2 skrll struct mgx_softc *sc = device_private(self); 144 1.4.2.2 skrll struct sbus_attach_args *sa = args; 145 1.4.2.2 skrll struct wsemuldisplaydev_attach_args aa; 146 1.4.2.2 skrll struct rasops_info *ri; 147 1.4.2.2 skrll unsigned long defattr; 148 1.4.2.2 skrll bus_space_handle_t bh; 149 1.4.2.2 skrll int node = sa->sa_node; 150 1.4.2.2 skrll int isconsole; 151 1.4.2.2 skrll 152 1.4.2.2 skrll aprint_normal("\n"); 153 1.4.2.2 skrll sc->sc_dev = self; 154 1.4.2.2 skrll sc->sc_tag = sa->sa_bustag; 155 1.4.2.2 skrll 156 1.4.2.2 skrll sc->sc_paddr = sbus_bus_addr(sa->sa_bustag, sa->sa_slot, 157 1.4.2.2 skrll sa->sa_reg[8].oa_base); 158 1.4.2.2 skrll 159 1.4.2.2 skrll /* read geometry information from the device tree */ 160 1.4.2.2 skrll sc->sc_width = prom_getpropint(sa->sa_node, "width", 1152); 161 1.4.2.2 skrll sc->sc_height = prom_getpropint(sa->sa_node, "height", 900); 162 1.4.2.2 skrll sc->sc_stride = prom_getpropint(sa->sa_node, "linebytes", 900); 163 1.4.2.2 skrll sc->sc_fbsize = sc->sc_height * sc->sc_stride; 164 1.4.2.2 skrll sc->sc_fbaddr = NULL; 165 1.4.2.2 skrll if (sc->sc_fbaddr == NULL) { 166 1.4.2.2 skrll if (sbus_bus_map(sa->sa_bustag, 167 1.4.2.2 skrll sa->sa_slot, 168 1.4.2.2 skrll sa->sa_reg[8].oa_base, 169 1.4.2.2 skrll sc->sc_fbsize, 170 1.4.2.2 skrll BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_LARGE, 171 1.4.2.2 skrll &bh) != 0) { 172 1.4.2.2 skrll aprint_error_dev(self, "cannot map framebuffer\n"); 173 1.4.2.2 skrll return; 174 1.4.2.2 skrll } 175 1.4.2.2 skrll sc->sc_fbaddr = bus_space_vaddr(sa->sa_bustag, bh); 176 1.4.2.2 skrll } 177 1.4.2.2 skrll 178 1.4.2.2 skrll aprint_normal_dev(self, "%d x %d\n", sc->sc_width, sc->sc_height); 179 1.4.2.2 skrll 180 1.4.2.2 skrll if (sbus_bus_map(sa->sa_bustag, 181 1.4.2.2 skrll sa->sa_slot, 182 1.4.2.2 skrll sa->sa_reg[4].oa_base, 0x1000, 0, 183 1.4.2.2 skrll &sc->sc_vgah) != 0) { 184 1.4.2.2 skrll aprint_error("%s: couldn't map VGA registers\n", 185 1.4.2.2 skrll device_xname(sc->sc_dev)); 186 1.4.2.2 skrll return; 187 1.4.2.2 skrll } 188 1.4.2.2 skrll 189 1.4.2.2 skrll if (sbus_bus_map(sa->sa_bustag, 190 1.4.2.2 skrll sa->sa_slot, 191 1.4.2.2 skrll sa->sa_reg[5].oa_base + MGX_REG_ATREG_OFFSET, 0x1000, 192 1.4.2.2 skrll 0, &sc->sc_blith) != 0) { 193 1.4.2.2 skrll aprint_error("%s: couldn't map blitter registers\n", 194 1.4.2.2 skrll device_xname(sc->sc_dev)); 195 1.4.2.2 skrll return; 196 1.4.2.2 skrll } 197 1.4.2.2 skrll 198 1.4.2.2 skrll mgx_setup(sc, 8); 199 1.4.2.2 skrll 200 1.4.2.2 skrll sc->sc_defaultscreen_descr = (struct wsscreen_descr) { 201 1.4.2.2 skrll "default", 202 1.4.2.2 skrll 0, 0, 203 1.4.2.2 skrll NULL, 204 1.4.2.2 skrll 8, 16, 205 1.4.2.2 skrll WSSCREEN_WSCOLORS | WSSCREEN_HILIT, 206 1.4.2.2 skrll NULL 207 1.4.2.2 skrll }; 208 1.4.2.2 skrll sc->sc_screens[0] = &sc->sc_defaultscreen_descr; 209 1.4.2.2 skrll sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; 210 1.4.2.2 skrll 211 1.4.2.2 skrll isconsole = fb_is_console(node); 212 1.4.2.2 skrll 213 1.4.2.2 skrll sc->sc_mode = WSDISPLAYIO_MODE_EMUL; 214 1.4.2.2 skrll wsfont_init(); 215 1.4.2.2 skrll 216 1.4.2.2 skrll vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, &mgx_accessops); 217 1.4.2.2 skrll sc->vd.init_screen = mgx_init_screen; 218 1.4.2.2 skrll 219 1.4.2.2 skrll vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, &defattr); 220 1.4.2.2 skrll sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 221 1.4.2.2 skrll 222 1.4.2.2 skrll ri = &sc->sc_console_screen.scr_ri; 223 1.4.2.2 skrll 224 1.4.2.2 skrll sc->sc_defaultscreen_descr.nrows = ri->ri_rows; 225 1.4.2.2 skrll sc->sc_defaultscreen_descr.ncols = ri->ri_cols; 226 1.4.2.2 skrll sc->sc_defaultscreen_descr.textops = &ri->ri_ops; 227 1.4.2.2 skrll sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; 228 1.4.2.2 skrll 229 1.4.2.2 skrll sc->sc_gc.gc_bitblt = mgx_bitblt; 230 1.4.2.2 skrll sc->sc_gc.gc_rectfill = mgx_rectfill; 231 1.4.2.2 skrll sc->sc_gc.gc_blitcookie = sc; 232 1.4.2.2 skrll sc->sc_gc.gc_rop = ROP_SRC; 233 1.4.2.2 skrll 234 1.4.2.2 skrll glyphcache_init(&sc->sc_gc, 235 1.4.2.2 skrll sc->sc_height + 5, 236 1.4.2.2 skrll (0x400000 / sc->sc_stride) - sc->sc_height - 5, 237 1.4.2.2 skrll sc->sc_width, 238 1.4.2.2 skrll ri->ri_font->fontwidth, 239 1.4.2.2 skrll ri->ri_font->fontheight, 240 1.4.2.2 skrll defattr); 241 1.4.2.2 skrll 242 1.4.2.2 skrll mgx_init_palette(sc); 243 1.4.2.2 skrll 244 1.4.2.2 skrll if(isconsole) { 245 1.4.2.2 skrll wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, 246 1.4.2.2 skrll defattr); 247 1.4.2.2 skrll vcons_replay_msgbuf(&sc->sc_console_screen); 248 1.4.2.2 skrll } 249 1.4.2.2 skrll 250 1.4.2.2 skrll aa.console = isconsole; 251 1.4.2.2 skrll aa.scrdata = &sc->sc_screenlist; 252 1.4.2.2 skrll aa.accessops = &mgx_accessops; 253 1.4.2.2 skrll aa.accesscookie = &sc->vd; 254 1.4.2.2 skrll 255 1.4.2.2 skrll config_found(self, &aa, wsemuldisplaydevprint); 256 1.4.2.2 skrll } 257 1.4.2.2 skrll 258 1.4.2.2 skrll static inline void 259 1.4.2.2 skrll mgx_write_vga(struct mgx_softc *sc, uint32_t reg, uint8_t val) 260 1.4.2.2 skrll { 261 1.4.2.2 skrll bus_space_write_1(sc->sc_tag, sc->sc_vgah, reg ^ 3, val); 262 1.4.2.2 skrll } 263 1.4.2.2 skrll 264 1.4.2.2 skrll static inline void 265 1.4.2.2 skrll mgx_write_1(struct mgx_softc *sc, uint32_t reg, uint8_t val) 266 1.4.2.2 skrll { 267 1.4.2.2 skrll bus_space_write_1(sc->sc_tag, sc->sc_blith, reg ^ 3, val); 268 1.4.2.2 skrll } 269 1.4.2.2 skrll 270 1.4.2.2 skrll static inline uint8_t 271 1.4.2.2 skrll mgx_read_1(struct mgx_softc *sc, uint32_t reg) 272 1.4.2.2 skrll { 273 1.4.2.2 skrll return bus_space_read_1(sc->sc_tag, sc->sc_blith, reg ^ 3); 274 1.4.2.2 skrll } 275 1.4.2.2 skrll 276 1.4.2.2 skrll static inline void 277 1.4.2.2 skrll mgx_write_4(struct mgx_softc *sc, uint32_t reg, uint32_t val) 278 1.4.2.2 skrll { 279 1.4.2.2 skrll bus_space_write_4(sc->sc_tag, sc->sc_blith, reg, val); 280 1.4.2.2 skrll } 281 1.4.2.2 skrll 282 1.4.2.2 skrll 283 1.4.2.2 skrll static void 284 1.4.2.2 skrll mgx_write_dac(struct mgx_softc *sc, int idx, int r, int g, int b) 285 1.4.2.2 skrll { 286 1.4.2.2 skrll mgx_write_vga(sc, VGA_BASE + VGA_DAC_ADDRW, idx); 287 1.4.2.2 skrll mgx_write_vga(sc, VGA_BASE + VGA_DAC_PALETTE, r); 288 1.4.2.2 skrll mgx_write_vga(sc, VGA_BASE + VGA_DAC_PALETTE, g); 289 1.4.2.2 skrll mgx_write_vga(sc, VGA_BASE + VGA_DAC_PALETTE, b); 290 1.4.2.2 skrll } 291 1.4.2.2 skrll 292 1.4.2.2 skrll static void 293 1.4.2.2 skrll mgx_init_palette(struct mgx_softc *sc) 294 1.4.2.2 skrll { 295 1.4.2.2 skrll struct rasops_info *ri = &sc->sc_console_screen.scr_ri; 296 1.4.2.2 skrll int i, j = 0; 297 1.4.2.2 skrll uint8_t cmap[768]; 298 1.4.2.2 skrll 299 1.4.2.2 skrll rasops_get_cmap(ri, cmap, sizeof(cmap)); 300 1.4.2.2 skrll for (i = 0; i < 256; i++) { 301 1.4.2.2 skrll sc->sc_cmap_red[i] = cmap[j]; 302 1.4.2.2 skrll sc->sc_cmap_green[i] = cmap[j + 1]; 303 1.4.2.2 skrll sc->sc_cmap_blue[i] = cmap[j + 2]; 304 1.4.2.2 skrll mgx_write_dac(sc, i, cmap[j], cmap[j + 1], cmap[j + 2]); 305 1.4.2.2 skrll j += 3; 306 1.4.2.2 skrll } 307 1.4.2.2 skrll } 308 1.4.2.2 skrll 309 1.4.2.2 skrll static int 310 1.4.2.2 skrll mgx_putcmap(struct mgx_softc *sc, struct wsdisplay_cmap *cm) 311 1.4.2.2 skrll { 312 1.4.2.2 skrll u_char *r, *g, *b; 313 1.4.2.2 skrll u_int index = cm->index; 314 1.4.2.2 skrll u_int count = cm->count; 315 1.4.2.2 skrll int i, error; 316 1.4.2.2 skrll u_char rbuf[256], gbuf[256], bbuf[256]; 317 1.4.2.2 skrll 318 1.4.2.2 skrll if (cm->index >= 256 || cm->count > 256 || 319 1.4.2.2 skrll (cm->index + cm->count) > 256) 320 1.4.2.2 skrll return EINVAL; 321 1.4.2.2 skrll error = copyin(cm->red, &rbuf[index], count); 322 1.4.2.2 skrll if (error) 323 1.4.2.2 skrll return error; 324 1.4.2.2 skrll error = copyin(cm->green, &gbuf[index], count); 325 1.4.2.2 skrll if (error) 326 1.4.2.2 skrll return error; 327 1.4.2.2 skrll error = copyin(cm->blue, &bbuf[index], count); 328 1.4.2.2 skrll if (error) 329 1.4.2.2 skrll return error; 330 1.4.2.2 skrll 331 1.4.2.2 skrll memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); 332 1.4.2.2 skrll memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); 333 1.4.2.2 skrll memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); 334 1.4.2.2 skrll 335 1.4.2.2 skrll r = &sc->sc_cmap_red[index]; 336 1.4.2.2 skrll g = &sc->sc_cmap_green[index]; 337 1.4.2.2 skrll b = &sc->sc_cmap_blue[index]; 338 1.4.2.2 skrll 339 1.4.2.2 skrll for (i = 0; i < count; i++) { 340 1.4.2.2 skrll mgx_write_dac(sc, index, *r, *g, *b); 341 1.4.2.2 skrll index++; 342 1.4.2.2 skrll r++, g++, b++; 343 1.4.2.2 skrll } 344 1.4.2.2 skrll return 0; 345 1.4.2.2 skrll } 346 1.4.2.2 skrll 347 1.4.2.2 skrll static int 348 1.4.2.2 skrll mgx_getcmap(struct mgx_softc *sc, struct wsdisplay_cmap *cm) 349 1.4.2.2 skrll { 350 1.4.2.2 skrll u_int index = cm->index; 351 1.4.2.2 skrll u_int count = cm->count; 352 1.4.2.2 skrll int error; 353 1.4.2.2 skrll 354 1.4.2.2 skrll if (index >= 255 || count > 256 || index + count > 256) 355 1.4.2.2 skrll return EINVAL; 356 1.4.2.2 skrll 357 1.4.2.2 skrll error = copyout(&sc->sc_cmap_red[index], cm->red, count); 358 1.4.2.2 skrll if (error) 359 1.4.2.2 skrll return error; 360 1.4.2.2 skrll error = copyout(&sc->sc_cmap_green[index], cm->green, count); 361 1.4.2.2 skrll if (error) 362 1.4.2.2 skrll return error; 363 1.4.2.2 skrll error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); 364 1.4.2.2 skrll if (error) 365 1.4.2.2 skrll return error; 366 1.4.2.2 skrll 367 1.4.2.2 skrll return 0; 368 1.4.2.2 skrll } 369 1.4.2.2 skrll 370 1.4.2.2 skrll static int 371 1.4.2.2 skrll mgx_wait_engine(struct mgx_softc *sc) 372 1.4.2.2 skrll { 373 1.4.2.2 skrll unsigned int i; 374 1.4.2.2 skrll uint8_t stat; 375 1.4.2.2 skrll 376 1.4.2.2 skrll for (i = 100000; i != 0; i--) { 377 1.4.2.2 skrll stat = mgx_read_1(sc, ATR_BLT_STATUS); 378 1.4.2.2 skrll if ((stat & (BLT_HOST_BUSY | BLT_ENGINE_BUSY)) == 0) 379 1.4.2.2 skrll break; 380 1.4.2.2 skrll } 381 1.4.2.2 skrll 382 1.4.2.2 skrll return i; 383 1.4.2.2 skrll } 384 1.4.2.2 skrll 385 1.4.2.2 skrll static int 386 1.4.2.2 skrll mgx_wait_fifo(struct mgx_softc *sc, unsigned int nfifo) 387 1.4.2.2 skrll { 388 1.4.2.2 skrll unsigned int i; 389 1.4.2.2 skrll uint8_t stat; 390 1.4.2.2 skrll 391 1.4.2.2 skrll for (i = 100000; i != 0; i--) { 392 1.4.2.2 skrll stat = mgx_read_1(sc, ATR_FIFO_STATUS); 393 1.4.2.2 skrll stat = (stat & FIFO_MASK) >> FIFO_SHIFT; 394 1.4.2.2 skrll if (stat >= nfifo) 395 1.4.2.2 skrll break; 396 1.4.2.2 skrll mgx_write_1(sc, ATR_FIFO_STATUS, 0); 397 1.4.2.2 skrll } 398 1.4.2.2 skrll 399 1.4.2.2 skrll return i; 400 1.4.2.2 skrll } 401 1.4.2.2 skrll 402 1.4.2.2 skrll static void 403 1.4.2.2 skrll mgx_setup(struct mgx_softc *sc, int depth) 404 1.4.2.2 skrll { 405 1.4.2.2 skrll /* wait for everything to go idle */ 406 1.4.2.2 skrll if (mgx_wait_engine(sc) == 0) 407 1.4.2.2 skrll return; 408 1.4.2.2 skrll if (mgx_wait_fifo(sc, FIFO_AT24) == 0) 409 1.4.2.2 skrll return; 410 1.4.2.2 skrll /* 411 1.4.2.2 skrll * Compute the invariant bits of the DEC register. 412 1.4.2.2 skrll */ 413 1.4.2.2 skrll 414 1.4.2.2 skrll switch (depth) { 415 1.4.2.2 skrll case 8: 416 1.4.2.2 skrll sc->sc_dec = DEC_DEPTH_8 << DEC_DEPTH_SHIFT; 417 1.4.2.2 skrll break; 418 1.4.2.2 skrll case 15: 419 1.4.2.2 skrll case 16: 420 1.4.2.2 skrll sc->sc_dec = DEC_DEPTH_16 << DEC_DEPTH_SHIFT; 421 1.4.2.2 skrll break; 422 1.4.2.2 skrll case 32: 423 1.4.2.2 skrll sc->sc_dec = DEC_DEPTH_32 << DEC_DEPTH_SHIFT; 424 1.4.2.2 skrll break; 425 1.4.2.2 skrll default: 426 1.4.2.2 skrll return; /* not supported */ 427 1.4.2.2 skrll } 428 1.4.2.2 skrll 429 1.4.2.2 skrll switch (sc->sc_stride) { 430 1.4.2.2 skrll case 640: 431 1.4.2.2 skrll sc->sc_dec |= DEC_WIDTH_640 << DEC_WIDTH_SHIFT; 432 1.4.2.2 skrll break; 433 1.4.2.2 skrll case 800: 434 1.4.2.2 skrll sc->sc_dec |= DEC_WIDTH_800 << DEC_WIDTH_SHIFT; 435 1.4.2.2 skrll break; 436 1.4.2.2 skrll case 1024: 437 1.4.2.2 skrll sc->sc_dec |= DEC_WIDTH_1024 << DEC_WIDTH_SHIFT; 438 1.4.2.2 skrll break; 439 1.4.2.2 skrll case 1152: 440 1.4.2.2 skrll sc->sc_dec |= DEC_WIDTH_1152 << DEC_WIDTH_SHIFT; 441 1.4.2.2 skrll break; 442 1.4.2.2 skrll case 1280: 443 1.4.2.2 skrll sc->sc_dec |= DEC_WIDTH_1280 << DEC_WIDTH_SHIFT; 444 1.4.2.2 skrll break; 445 1.4.2.2 skrll case 1600: 446 1.4.2.2 skrll sc->sc_dec |= DEC_WIDTH_1600 << DEC_WIDTH_SHIFT; 447 1.4.2.2 skrll break; 448 1.4.2.2 skrll default: 449 1.4.2.2 skrll return; /* not supported */ 450 1.4.2.2 skrll } 451 1.4.2.2 skrll mgx_write_1(sc, ATR_CLIP_CONTROL, 0); 452 1.4.2.2 skrll mgx_write_1(sc, ATR_BYTEMASK, 0xff); 453 1.4.2.2 skrll } 454 1.4.2.2 skrll 455 1.4.2.2 skrll static void 456 1.4.2.2 skrll mgx_bitblt(void *cookie, int xs, int ys, int xd, int yd, int wi, int he, 457 1.4.2.2 skrll int rop) 458 1.4.2.2 skrll { 459 1.4.2.2 skrll struct mgx_softc *sc = cookie; 460 1.4.2.2 skrll uint32_t dec = sc->sc_dec; 461 1.4.2.2 skrll 462 1.4.2.2 skrll dec |= (DEC_COMMAND_BLT << DEC_COMMAND_SHIFT) | 463 1.4.2.2 skrll (DEC_START_DIMX << DEC_START_SHIFT); 464 1.4.2.2 skrll if (xs < xd) { 465 1.4.2.2 skrll xs += wi - 1; 466 1.4.2.2 skrll xd += wi - 1; 467 1.4.2.2 skrll dec |= DEC_DIR_X_REVERSE; 468 1.4.2.2 skrll } 469 1.4.2.2 skrll if (ys < yd) { 470 1.4.2.2 skrll ys += he - 1; 471 1.4.2.2 skrll yd += he - 1; 472 1.4.2.2 skrll dec |= DEC_DIR_Y_REVERSE; 473 1.4.2.2 skrll } 474 1.4.2.2 skrll mgx_wait_fifo(sc, 5); 475 1.4.2.2 skrll mgx_write_1(sc, ATR_ROP, rop); 476 1.4.2.2 skrll mgx_write_4(sc, ATR_DEC, dec); 477 1.4.2.2 skrll mgx_write_4(sc, ATR_SRC_XY, (ys << 16) | xs); 478 1.4.2.2 skrll mgx_write_4(sc, ATR_DST_XY, (yd << 16) | xd); 479 1.4.2.2 skrll mgx_write_4(sc, ATR_WH, (he << 16) | wi); 480 1.4.2.2 skrll } 481 1.4.2.2 skrll 482 1.4.2.2 skrll static void 483 1.4.2.2 skrll mgx_rectfill(void *cookie, int x, int y, int wi, int he, long fg) 484 1.4.2.2 skrll { 485 1.4.2.2 skrll struct mgx_softc *sc = cookie; 486 1.4.2.2 skrll struct vcons_screen *scr = sc->vd.active; 487 1.4.2.2 skrll uint32_t dec = sc->sc_dec; 488 1.4.2.2 skrll uint32_t col; 489 1.4.2.2 skrll 490 1.4.2.2 skrll if (scr == NULL) 491 1.4.2.2 skrll return; 492 1.4.2.2 skrll col = scr->scr_ri.ri_devcmap[fg]; 493 1.4.2.2 skrll 494 1.4.2.2 skrll dec = sc->sc_dec; 495 1.4.2.2 skrll dec |= (DEC_COMMAND_RECT << DEC_COMMAND_SHIFT) | 496 1.4.2.2 skrll (DEC_START_DIMX << DEC_START_SHIFT); 497 1.4.2.2 skrll mgx_wait_fifo(sc, 5); 498 1.4.2.2 skrll mgx_write_1(sc, ATR_ROP, ROP_SRC); 499 1.4.2.2 skrll mgx_write_4(sc, ATR_FG, col); 500 1.4.2.2 skrll mgx_write_4(sc, ATR_DEC, dec); 501 1.4.2.2 skrll mgx_write_4(sc, ATR_DST_XY, (y << 16) | x); 502 1.4.2.2 skrll mgx_write_4(sc, ATR_WH, (he << 16) | wi); 503 1.4.2.2 skrll } 504 1.4.2.2 skrll 505 1.4.2.2 skrll static void 506 1.4.2.2 skrll mgx_putchar(void *cookie, int row, int col, u_int c, long attr) 507 1.4.2.2 skrll { 508 1.4.2.2 skrll struct rasops_info *ri = cookie; 509 1.4.2.2 skrll struct wsdisplay_font *font = PICK_FONT(ri, c); 510 1.4.2.2 skrll struct vcons_screen *scr = ri->ri_hw; 511 1.4.2.2 skrll struct mgx_softc *sc = scr->scr_cookie; 512 1.4.2.2 skrll uint32_t fg, bg; 513 1.4.2.2 skrll int x, y, wi, he, rv; 514 1.4.2.2 skrll 515 1.4.2.2 skrll wi = font->fontwidth; 516 1.4.2.2 skrll he = font->fontheight; 517 1.4.2.2 skrll 518 1.4.2.2 skrll bg = (attr >> 16) & 0xf; 519 1.4.2.2 skrll fg = (attr >> 24) & 0xf; 520 1.4.2.2 skrll 521 1.4.2.2 skrll x = ri->ri_xorigin + col * wi; 522 1.4.2.2 skrll y = ri->ri_yorigin + row * he; 523 1.4.2.2 skrll 524 1.4.2.2 skrll if (c == 0x20) { 525 1.4.2.2 skrll mgx_rectfill(sc, x, y, wi, he, bg); 526 1.4.2.2 skrll if (attr & 1) 527 1.4.2.2 skrll mgx_rectfill(sc, x, y + he - 2, wi, 1, fg); 528 1.4.2.2 skrll return; 529 1.4.2.2 skrll } 530 1.4.2.2 skrll rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); 531 1.4.2.2 skrll if (rv != GC_OK) { 532 1.4.2.2 skrll volatile uint32_t junk; 533 1.4.2.2 skrll 534 1.4.2.2 skrll mgx_wait_engine(sc); 535 1.4.2.2 skrll sc->sc_putchar(cookie, row, col, c, attr & ~1); 536 1.4.2.2 skrll junk = *(uint32_t *)sc->sc_fbaddr; 537 1.4.2.2 skrll __USE(junk); 538 1.4.2.2 skrll if (rv == GC_ADD) 539 1.4.2.2 skrll glyphcache_add(&sc->sc_gc, c, x, y); 540 1.4.2.2 skrll } 541 1.4.2.2 skrll if (attr & 1) 542 1.4.2.2 skrll mgx_rectfill(sc, x, y + he - 2, wi, 1, fg); 543 1.4.2.2 skrll } 544 1.4.2.2 skrll 545 1.4.2.2 skrll static void 546 1.4.2.2 skrll mgx_cursor(void *cookie, int on, int row, int col) 547 1.4.2.2 skrll { 548 1.4.2.2 skrll struct rasops_info *ri = cookie; 549 1.4.2.2 skrll struct vcons_screen *scr = ri->ri_hw; 550 1.4.2.2 skrll struct mgx_softc *sc = scr->scr_cookie; 551 1.4.2.2 skrll int x, y, wi,he; 552 1.4.2.2 skrll 553 1.4.2.2 skrll wi = ri->ri_font->fontwidth; 554 1.4.2.2 skrll he = ri->ri_font->fontheight; 555 1.4.2.2 skrll 556 1.4.2.2 skrll if (ri->ri_flg & RI_CURSOR) { 557 1.4.2.2 skrll x = ri->ri_ccol * wi + ri->ri_xorigin; 558 1.4.2.2 skrll y = ri->ri_crow * he + ri->ri_yorigin; 559 1.4.2.2 skrll mgx_bitblt(sc, x, y, x, y, wi, he, ROP_INV); 560 1.4.2.2 skrll ri->ri_flg &= ~RI_CURSOR; 561 1.4.2.2 skrll } 562 1.4.2.2 skrll 563 1.4.2.2 skrll ri->ri_crow = row; 564 1.4.2.2 skrll ri->ri_ccol = col; 565 1.4.2.2 skrll 566 1.4.2.2 skrll if (on) 567 1.4.2.2 skrll { 568 1.4.2.2 skrll x = ri->ri_ccol * wi + ri->ri_xorigin; 569 1.4.2.2 skrll y = ri->ri_crow * he + ri->ri_yorigin; 570 1.4.2.2 skrll mgx_bitblt(sc, x, y, x, y, wi, he, ROP_INV); 571 1.4.2.2 skrll ri->ri_flg |= RI_CURSOR; 572 1.4.2.2 skrll } 573 1.4.2.2 skrll } 574 1.4.2.2 skrll 575 1.4.2.2 skrll static void 576 1.4.2.2 skrll mgx_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) 577 1.4.2.2 skrll { 578 1.4.2.2 skrll struct rasops_info *ri = cookie; 579 1.4.2.2 skrll struct vcons_screen *scr = ri->ri_hw; 580 1.4.2.2 skrll struct mgx_softc *sc = scr->scr_cookie; 581 1.4.2.2 skrll int32_t xs, xd, y, width, height; 582 1.4.2.2 skrll 583 1.4.2.2 skrll xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 584 1.4.2.2 skrll xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 585 1.4.2.2 skrll y = ri->ri_yorigin + ri->ri_font->fontheight * row; 586 1.4.2.2 skrll width = ri->ri_font->fontwidth * ncols; 587 1.4.2.2 skrll height = ri->ri_font->fontheight; 588 1.4.2.2 skrll mgx_bitblt(sc, xs, y, xd, y, width, height, ROP_SRC); 589 1.4.2.2 skrll } 590 1.4.2.2 skrll 591 1.4.2.2 skrll static void 592 1.4.2.2 skrll mgx_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) 593 1.4.2.2 skrll { 594 1.4.2.2 skrll struct rasops_info *ri = cookie; 595 1.4.2.2 skrll struct vcons_screen *scr = ri->ri_hw; 596 1.4.2.2 skrll struct mgx_softc *sc = scr->scr_cookie; 597 1.4.2.2 skrll int32_t x, y, width, height, bg; 598 1.4.2.2 skrll 599 1.4.2.2 skrll x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; 600 1.4.2.2 skrll y = ri->ri_yorigin + ri->ri_font->fontheight * row; 601 1.4.2.2 skrll width = ri->ri_font->fontwidth * ncols; 602 1.4.2.2 skrll height = ri->ri_font->fontheight; 603 1.4.2.2 skrll bg = (fillattr >> 16) & 0xff; 604 1.4.2.2 skrll mgx_rectfill(sc, x, y, width, height, bg); 605 1.4.2.2 skrll } 606 1.4.2.2 skrll 607 1.4.2.2 skrll static void 608 1.4.2.2 skrll mgx_copyrows(void *cookie, int srcrow, int dstrow, int nrows) 609 1.4.2.2 skrll { 610 1.4.2.2 skrll struct rasops_info *ri = cookie; 611 1.4.2.2 skrll struct vcons_screen *scr = ri->ri_hw; 612 1.4.2.2 skrll struct mgx_softc *sc = scr->scr_cookie; 613 1.4.2.2 skrll int32_t x, ys, yd, width, height; 614 1.4.2.2 skrll 615 1.4.2.2 skrll x = ri->ri_xorigin; 616 1.4.2.2 skrll ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 617 1.4.2.2 skrll yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 618 1.4.2.2 skrll width = ri->ri_emuwidth; 619 1.4.2.2 skrll height = ri->ri_font->fontheight * nrows; 620 1.4.2.2 skrll mgx_bitblt(sc, x, ys, x, yd, width, height, ROP_SRC); 621 1.4.2.2 skrll } 622 1.4.2.2 skrll 623 1.4.2.2 skrll static void 624 1.4.2.2 skrll mgx_eraserows(void *cookie, int row, int nrows, long fillattr) 625 1.4.2.2 skrll { 626 1.4.2.2 skrll struct rasops_info *ri = cookie; 627 1.4.2.2 skrll struct vcons_screen *scr = ri->ri_hw; 628 1.4.2.2 skrll struct mgx_softc *sc = scr->scr_cookie; 629 1.4.2.2 skrll int32_t x, y, width, height, bg; 630 1.4.2.2 skrll 631 1.4.2.2 skrll if ((row == 0) && (nrows == ri->ri_rows)) { 632 1.4.2.2 skrll x = y = 0; 633 1.4.2.2 skrll width = ri->ri_width; 634 1.4.2.2 skrll height = ri->ri_height; 635 1.4.2.2 skrll } else { 636 1.4.2.2 skrll x = ri->ri_xorigin; 637 1.4.2.2 skrll y = ri->ri_yorigin + ri->ri_font->fontheight * row; 638 1.4.2.2 skrll width = ri->ri_emuwidth; 639 1.4.2.2 skrll height = ri->ri_font->fontheight * nrows; 640 1.4.2.2 skrll } 641 1.4.2.2 skrll bg = (fillattr >> 16) & 0xff; 642 1.4.2.2 skrll mgx_rectfill(sc, x, y, width, height, bg); 643 1.4.2.2 skrll } 644 1.4.2.2 skrll 645 1.4.2.2 skrll static void 646 1.4.2.2 skrll mgx_init_screen(void *cookie, struct vcons_screen *scr, 647 1.4.2.2 skrll int existing, long *defattr) 648 1.4.2.2 skrll { 649 1.4.2.2 skrll struct mgx_softc *sc = cookie; 650 1.4.2.2 skrll struct rasops_info *ri = &scr->scr_ri; 651 1.4.2.2 skrll 652 1.4.2.2 skrll ri->ri_depth = 8; 653 1.4.2.2 skrll ri->ri_width = sc->sc_width; 654 1.4.2.2 skrll ri->ri_height = sc->sc_height; 655 1.4.2.2 skrll ri->ri_stride = sc->sc_stride; 656 1.4.2.2 skrll ri->ri_flg = RI_CENTER | RI_ENABLE_ALPHA; 657 1.4.2.2 skrll 658 1.4.2.2 skrll if (ri->ri_depth == 8) 659 1.4.2.2 skrll ri->ri_flg |= RI_8BIT_IS_RGB; 660 1.4.2.2 skrll 661 1.4.2.2 skrll ri->ri_bits = sc->sc_fbaddr; 662 1.4.2.2 skrll 663 1.4.2.2 skrll rasops_init(ri, 0, 0); 664 1.4.2.2 skrll sc->sc_putchar = ri->ri_ops.putchar; 665 1.4.2.2 skrll 666 1.4.2.2 skrll ri->ri_caps = WSSCREEN_REVERSE | WSSCREEN_WSCOLORS; 667 1.4.2.2 skrll 668 1.4.2.2 skrll rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight, 669 1.4.2.2 skrll ri->ri_width / ri->ri_font->fontwidth); 670 1.4.2.2 skrll 671 1.4.2.2 skrll ri->ri_hw = scr; 672 1.4.2.2 skrll ri->ri_ops.putchar = mgx_putchar; 673 1.4.2.2 skrll ri->ri_ops.cursor = mgx_cursor; 674 1.4.2.2 skrll ri->ri_ops.copyrows = mgx_copyrows; 675 1.4.2.2 skrll ri->ri_ops.eraserows = mgx_eraserows; 676 1.4.2.2 skrll ri->ri_ops.copycols = mgx_copycols; 677 1.4.2.2 skrll ri->ri_ops.erasecols = mgx_erasecols; 678 1.4.2.2 skrll } 679 1.4.2.2 skrll 680 1.4.2.2 skrll static int 681 1.4.2.2 skrll mgx_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 682 1.4.2.2 skrll struct lwp *l) 683 1.4.2.2 skrll { 684 1.4.2.2 skrll struct vcons_data *vd = v; 685 1.4.2.2 skrll struct mgx_softc *sc = vd->cookie; 686 1.4.2.2 skrll struct wsdisplay_fbinfo *wdf; 687 1.4.2.2 skrll struct vcons_screen *ms = vd->active; 688 1.4.2.2 skrll 689 1.4.2.2 skrll switch (cmd) { 690 1.4.2.2 skrll case WSDISPLAYIO_GTYPE: 691 1.4.2.2 skrll *(u_int *)data = WSDISPLAY_TYPE_MGX; 692 1.4.2.2 skrll return 0; 693 1.4.2.2 skrll 694 1.4.2.2 skrll case WSDISPLAYIO_GINFO: 695 1.4.2.2 skrll wdf = (void *)data; 696 1.4.2.2 skrll wdf->height = sc->sc_height; 697 1.4.2.2 skrll wdf->width = sc->sc_width; 698 1.4.2.2 skrll wdf->depth = 8; 699 1.4.2.2 skrll wdf->cmsize = 256; 700 1.4.2.2 skrll return 0; 701 1.4.2.2 skrll 702 1.4.2.2 skrll case FBIOGVIDEO: 703 1.4.2.2 skrll case WSDISPLAYIO_GVIDEO: 704 1.4.2.2 skrll *(int *)data = 1; 705 1.4.2.2 skrll return 0; 706 1.4.2.2 skrll 707 1.4.2.2 skrll case WSDISPLAYIO_SVIDEO: 708 1.4.2.2 skrll case FBIOSVIDEO: 709 1.4.2.2 skrll return 0; 710 1.4.2.2 skrll 711 1.4.2.2 skrll case WSDISPLAYIO_LINEBYTES: 712 1.4.2.2 skrll { 713 1.4.2.2 skrll int *ret = (int *)data; 714 1.4.2.2 skrll *ret = sc->sc_stride; 715 1.4.2.2 skrll } 716 1.4.2.2 skrll return 0; 717 1.4.2.2 skrll 718 1.4.2.2 skrll case WSDISPLAYIO_SMODE: 719 1.4.2.2 skrll { 720 1.4.2.2 skrll int new_mode = *(int*)data; 721 1.4.2.2 skrll if (new_mode != sc->sc_mode) 722 1.4.2.2 skrll { 723 1.4.2.2 skrll sc->sc_mode = new_mode; 724 1.4.2.2 skrll if (new_mode == WSDISPLAYIO_MODE_EMUL) 725 1.4.2.2 skrll { 726 1.4.2.2 skrll mgx_setup(sc, 8); 727 1.4.2.2 skrll glyphcache_wipe(&sc->sc_gc); 728 1.4.2.2 skrll mgx_init_palette(sc); 729 1.4.2.2 skrll vcons_redraw_screen(ms); 730 1.4.2.2 skrll } else { 731 1.4.2.2 skrll mgx_setup(sc, 32); 732 1.4.2.2 skrll } 733 1.4.2.2 skrll } 734 1.4.2.2 skrll } 735 1.4.2.2 skrll return 0; 736 1.4.2.2 skrll 737 1.4.2.2 skrll case WSDISPLAYIO_GETCMAP: 738 1.4.2.2 skrll return mgx_getcmap(sc, (struct wsdisplay_cmap *)data); 739 1.4.2.2 skrll 740 1.4.2.2 skrll case WSDISPLAYIO_PUTCMAP: 741 1.4.2.2 skrll return mgx_putcmap(sc, (struct wsdisplay_cmap *)data); 742 1.4.2.2 skrll 743 1.4.2.2 skrll case WSDISPLAYIO_GET_FBINFO: 744 1.4.2.2 skrll { 745 1.4.2.2 skrll struct wsdisplayio_fbinfo *fbi = data; 746 1.4.2.2 skrll int ret; 747 1.4.2.2 skrll 748 1.4.2.2 skrll ret = wsdisplayio_get_fbinfo(&ms->scr_ri, fbi); 749 1.4.2.2 skrll fbi->fbi_fbsize = 0x400000; 750 1.4.2.2 skrll return ret; 751 1.4.2.2 skrll } 752 1.4.2.2 skrll } 753 1.4.2.2 skrll return EPASSTHROUGH; 754 1.4.2.2 skrll } 755 1.4.2.2 skrll 756 1.4.2.2 skrll static paddr_t 757 1.4.2.2 skrll mgx_mmap(void *v, void *vs, off_t offset, int prot) 758 1.4.2.2 skrll { 759 1.4.2.2 skrll struct vcons_data *vd = v; 760 1.4.2.2 skrll struct mgx_softc *sc = vd->cookie; 761 1.4.2.2 skrll 762 1.4.2.2 skrll /* regular fb mapping at 0 */ 763 1.4.2.2 skrll if ((offset >= 0) && (offset < 0x400000)) { 764 1.4.2.2 skrll return bus_space_mmap(sc->sc_tag, sc->sc_paddr, 765 1.4.2.2 skrll offset, prot, BUS_SPACE_MAP_LINEAR); 766 1.4.2.2 skrll } 767 1.4.2.2 skrll 768 1.4.2.2 skrll return -1; 769 1.4.2.2 skrll } 770
Indexes created Tue Oct 21 08:09:48 GMT 2025