mq200.c revision 1.2.2.2
1 /* $NetBSD: mq200.c,v 1.2.2.2 2000/11/20 20:46:04 bouyer Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 Takemura Shin 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 */ 31 32 #include <sys/param.h> 33 #include <sys/kernel.h> 34 #include <sys/device.h> 35 #include <sys/systm.h> 36 #include <sys/reboot.h> 37 38 #include <uvm/uvm_extern.h> 39 40 #include <dev/wscons/wsconsio.h> 41 42 #include <machine/bootinfo.h> 43 #include <machine/bus.h> 44 #include <machine/autoconf.h> 45 #include <machine/config_hook.h> 46 #include <machine/platid.h> 47 #include <machine/platid_mask.h> 48 49 #include <hpcmips/dev/mq200reg.h> 50 #include <hpcmips/dev/mq200var.h> 51 #include "bivideo.h" 52 #if NBIVIDEO > 0 53 #include <hpcmips/dev/bivideovar.h> 54 #endif 55 56 #define MQ200DEBUG 57 #ifdef MQ200DEBUG 58 #ifndef MQ200DEBUG_CONF 59 #define MQ200DEBUG_CONF 0 60 #endif 61 int mq200_debug = MQ200DEBUG_CONF; 62 #define DPRINTF(arg) do { if (mq200_debug) printf arg; } while(0); 63 #define DPRINTFN(n, arg) do { if (mq200_debug > (n)) printf arg; } while (0); 64 #define VPRINTF(arg) do { if (bootverbose || mq200_debug) printf arg; } while(0); 65 #define VPRINTFN(n, arg) do { if (bootverbose || mq200_debug > (n)) printf arg; } while (0); 66 #else 67 #define DPRINTF(arg) do { } while (0); 68 #define DPRINTFN(n, arg) do { } while (0); 69 #define VPRINTF(arg) do { if (bootverbose) printf arg; } while(0); 70 #define VPRINTFN(n, arg) do { if (bootverbose) printf arg; } while (0); 71 #endif 72 73 /* 74 * function prototypes 75 */ 76 static void mq200_power __P((int, void *)); 77 static int mq200_hardpower __P((void *, int, long, void *)); 78 static int mq200_fbinit __P((struct hpcfb_fbconf *)); 79 static int mq200_ioctl __P((void *, u_long, caddr_t, int, struct proc *)); 80 static paddr_t mq200_mmap __P((void *, off_t offset, int)); 81 82 /* 83 * static variables 84 */ 85 struct hpcfb_accessops mq200_ha = { 86 mq200_ioctl, mq200_mmap 87 }; 88 89 int 90 mq200_probe(iot, ioh) 91 bus_space_tag_t iot; 92 bus_space_handle_t ioh; 93 { 94 unsigned long regval; 95 96 #if NBIVIDEO > 0 97 if (bivideo_dont_attach) /* some video driver already attached */ 98 return (0); 99 #endif /* NBIVIDEO > 0 */ 100 101 regval = bus_space_read_4(iot, ioh, MQ200_PC00R); 102 VPRINTF(("mq200 probe: vendor id=%04lx product id=%04lx\n", 103 regval & 0xffff, (regval >> 16) & 0xffff)); 104 if (regval != ((MQ200_PRODUCT_ID << 16) | MQ200_VENDOR_ID)) 105 return (0); 106 107 return (1); 108 } 109 110 void 111 mq200_attach(sc) 112 struct mq200_softc *sc; 113 { 114 unsigned long regval; 115 struct hpcfb_attach_args ha; 116 int console = (bootinfo->bi_cnuse & BI_CNUSE_SERIAL) ? 0 : 1; 117 118 regval = bus_space_read_4(sc->sc_iot, sc->sc_ioh, MQ200_PC08R); 119 printf(": MQ200 Rev.%02lx video controller\n", regval & 0xff); 120 121 /* Add a power hook to power saving */ 122 sc->sc_powerstate = MQ200_POWERSTATE_D0; 123 sc->sc_powerhook = powerhook_establish(mq200_power, sc); 124 if (sc->sc_powerhook == NULL) 125 printf("%s: WARNING: unable to establish power hook\n", 126 sc->sc_dev.dv_xname); 127 128 /* Add a hard power hook to power saving */ 129 sc->sc_hardpowerhook = config_hook(CONFIG_HOOK_PMEVENT, 130 CONFIG_HOOK_PMEVENT_HARDPOWER, 131 CONFIG_HOOK_SHARE, 132 mq200_hardpower, sc); 133 if (sc->sc_hardpowerhook == NULL) 134 printf("%s: WARNING: unable to establish hard power hook\n", 135 sc->sc_dev.dv_xname); 136 137 mq200_fbinit(&sc->sc_fbconf); 138 139 if (console && hpcfb_cnattach(&sc->sc_fbconf) != 0) { 140 panic("mq200_attach: can't init fb console"); 141 } 142 143 ha.ha_console = console; 144 ha.ha_accessops = &mq200_ha; 145 ha.ha_accessctx = sc; 146 ha.ha_curfbconf = 0; 147 ha.ha_nfbconf = 1; 148 ha.ha_fbconflist = &sc->sc_fbconf; 149 ha.ha_curdspconf = 0; 150 ha.ha_ndspconf = 1; 151 ha.ha_dspconflist = &sc->sc_dspconf; 152 153 config_found(&sc->sc_dev, &ha, hpcfbprint); 154 155 #if NBIVIDEO > 0 156 /* 157 * bivideo is no longer need 158 */ 159 bivideo_dont_attach = 1; 160 #endif /* NBIVIDEO > 0 */ 161 } 162 163 static void 164 mq200_power(why, arg) 165 int why; 166 void *arg; 167 { 168 #if 0 169 struct mq200_softc *sc = arg; 170 171 switch (why) { 172 case PWR_SUSPEND: 173 sc->sc_powerstate = MQ200_POWERSTATE_D2; 174 break; 175 case PWR_STANDBY: 176 sc->sc_powerstate = MQ200_POWERSTATE_D3; 177 break; 178 case PWR_RESUME: 179 sc->sc_powerstate = MQ200_POWERSTATE_D0; 180 break; 181 } 182 183 printf("MQ200_PMCSR=%08x\n", sc->sc_powerstate); 184 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 185 MQ200_PMCSR, sc->sc_powerstate); 186 #endif 187 } 188 189 static int 190 mq200_hardpower(ctx, type, id, msg) 191 void *ctx; 192 int type; 193 long id; 194 void *msg; 195 { 196 struct mq200_softc *sc = ctx; 197 int why = (int)msg; 198 199 switch (why) { 200 case PWR_SUSPEND: 201 sc->sc_powerstate = MQ200_POWERSTATE_D2; 202 break; 203 case PWR_STANDBY: 204 sc->sc_powerstate = MQ200_POWERSTATE_D3; 205 break; 206 case PWR_RESUME: 207 sc->sc_powerstate = MQ200_POWERSTATE_D0; 208 break; 209 } 210 211 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 212 MQ200_PMCSR, sc->sc_powerstate); 213 214 /* 215 * you should wait until the 216 * power state transit sequence will end. 217 */ 218 { 219 unsigned long tmp; 220 do { 221 tmp = bus_space_read_4(sc->sc_iot, sc->sc_ioh, 222 MQ200_PMCSR); 223 } while ((tmp & 0x3) != (sc->sc_powerstate & 0x3)); 224 delay(100000); /* XXX */ 225 } 226 227 return (0); 228 } 229 230 231 static int 232 mq200_fbinit(fb) 233 struct hpcfb_fbconf *fb; 234 { 235 236 /* 237 * get fb settings from bootinfo 238 */ 239 if (bootinfo == NULL || 240 bootinfo->fb_addr == 0 || 241 bootinfo->fb_line_bytes == 0 || 242 bootinfo->fb_width == 0 || 243 bootinfo->fb_height == 0) { 244 printf("no frame buffer infomation.\n"); 245 return (-1); 246 } 247 248 /* zero fill */ 249 bzero(fb, sizeof(*fb)); 250 251 fb->hf_conf_index = 0; /* configuration index */ 252 fb->hf_nconfs = 1; /* how many configurations */ 253 strcpy(fb->hf_name, "built-in video"); 254 /* frame buffer name */ 255 strcpy(fb->hf_conf_name, "default"); 256 /* configuration name */ 257 fb->hf_height = bootinfo->fb_height; 258 fb->hf_width = bootinfo->fb_width; 259 fb->hf_baseaddr = mips_ptob(mips_btop(bootinfo->fb_addr)); 260 fb->hf_offset = (u_long)bootinfo->fb_addr - fb->hf_baseaddr; 261 /* frame buffer start offset */ 262 fb->hf_bytes_per_line = bootinfo->fb_line_bytes; 263 fb->hf_nplanes = 1; 264 fb->hf_bytes_per_plane = bootinfo->fb_height * 265 bootinfo->fb_line_bytes; 266 267 fb->hf_access_flags |= HPCFB_ACCESS_BYTE; 268 fb->hf_access_flags |= HPCFB_ACCESS_WORD; 269 fb->hf_access_flags |= HPCFB_ACCESS_DWORD; 270 271 switch (bootinfo->fb_type) { 272 /* 273 * gray scale 274 */ 275 case BIFB_D2_M2L_3: 276 case BIFB_D2_M2L_3x2: 277 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; 278 /* fall through */ 279 case BIFB_D2_M2L_0: 280 case BIFB_D2_M2L_0x2: 281 fb->hf_class = HPCFB_CLASS_GRAYSCALE; 282 fb->hf_access_flags |= HPCFB_ACCESS_STATIC; 283 fb->hf_pack_width = 8; 284 fb->hf_pixels_per_pack = 4; 285 fb->hf_pixel_width = 2; 286 fb->hf_class_data_length = sizeof(struct hf_gray_tag); 287 fb->hf_u.hf_gray.hf_flags = 0; /* reserved for future use */ 288 break; 289 290 /* 291 * indexed color 292 */ 293 case BIFB_D8_FF: 294 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; 295 /* fall through */ 296 case BIFB_D8_00: 297 fb->hf_class = HPCFB_CLASS_INDEXCOLOR; 298 fb->hf_access_flags |= HPCFB_ACCESS_STATIC; 299 fb->hf_pack_width = 8; 300 fb->hf_pixels_per_pack = 1; 301 fb->hf_pixel_width = 8; 302 fb->hf_class_data_length = sizeof(struct hf_indexed_tag); 303 fb->hf_u.hf_indexed.hf_flags = 0; /* reserved for future use */ 304 break; 305 306 /* 307 * RGB color 308 */ 309 case BIFB_D16_FFFF: 310 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; 311 /* fall through */ 312 case BIFB_D16_0000: 313 fb->hf_class = HPCFB_CLASS_RGBCOLOR; 314 fb->hf_access_flags |= HPCFB_ACCESS_STATIC; 315 #if BYTE_ORDER == LITTLE_ENDIAN 316 fb->hf_swap_flags = HPCFB_SWAP_BYTE; 317 #endif 318 fb->hf_pack_width = 16; 319 fb->hf_pixels_per_pack = 1; 320 fb->hf_pixel_width = 16; 321 322 fb->hf_class_data_length = sizeof(struct hf_rgb_tag); 323 fb->hf_u.hf_rgb.hf_flags = 0; /* reserved for future use */ 324 325 fb->hf_u.hf_rgb.hf_red_width = 5; 326 fb->hf_u.hf_rgb.hf_red_shift = 11; 327 fb->hf_u.hf_rgb.hf_green_width = 6; 328 fb->hf_u.hf_rgb.hf_green_shift = 5; 329 fb->hf_u.hf_rgb.hf_blue_width = 5; 330 fb->hf_u.hf_rgb.hf_blue_shift = 0; 331 fb->hf_u.hf_rgb.hf_alpha_width = 0; 332 fb->hf_u.hf_rgb.hf_alpha_shift = 0; 333 break; 334 335 default: 336 printf("unknown type (=%d).\n", bootinfo->fb_type); 337 return (-1); 338 break; 339 } 340 341 return (0); /* no error */ 342 } 343 344 int 345 mq200_ioctl(v, cmd, data, flag, p) 346 void *v; 347 u_long cmd; 348 caddr_t data; 349 int flag; 350 struct proc *p; 351 { 352 struct mq200_softc *sc = (struct mq200_softc *)v; 353 struct hpcfb_fbconf *fbconf; 354 struct hpcfb_dspconf *dspconf; 355 struct wsdisplay_cmap *cmap; 356 357 switch (cmd) { 358 case WSDISPLAYIO_GETCMAP: 359 cmap = (struct wsdisplay_cmap*)data; 360 361 if (sc->sc_fbconf.hf_class != HPCFB_CLASS_INDEXCOLOR || 362 sc->sc_fbconf.hf_pack_width != 8 || 363 256 <= cmap->index || 364 256 < (cmap->index + cmap->count)) 365 return (EINVAL); 366 367 #if 0 368 if (!uvm_useracc(cmap->red, cmap->count, B_WRITE) || 369 !uvm_useracc(cmap->green, cmap->count, B_WRITE) || 370 !uvm_useracc(cmap->blue, cmap->count, B_WRITE)) 371 return (EFAULT); 372 373 copyout(&bivideo_cmap_r[cmap->index], cmap->red, cmap->count); 374 copyout(&bivideo_cmap_g[cmap->index], cmap->green,cmap->count); 375 copyout(&bivideo_cmap_b[cmap->index], cmap->blue, cmap->count); 376 #endif 377 378 return (0); 379 380 case WSDISPLAYIO_PUTCMAP: 381 /* 382 * This driver can't set color map. 383 */ 384 return (EINVAL); 385 386 case HPCFBIO_GCONF: 387 fbconf = (struct hpcfb_fbconf *)data; 388 if (fbconf->hf_conf_index != 0 && 389 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 390 return (EINVAL); 391 } 392 *fbconf = sc->sc_fbconf; /* structure assignment */ 393 return (0); 394 case HPCFBIO_SCONF: 395 fbconf = (struct hpcfb_fbconf *)data; 396 if (fbconf->hf_conf_index != 0 && 397 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 398 return (EINVAL); 399 } 400 /* 401 * nothing to do because we have only one configration 402 */ 403 return (0); 404 case HPCFBIO_GDSPCONF: 405 dspconf = (struct hpcfb_dspconf *)data; 406 if ((dspconf->hd_unit_index != 0 && 407 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 408 (dspconf->hd_conf_index != 0 && 409 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 410 return (EINVAL); 411 } 412 *dspconf = sc->sc_dspconf; /* structure assignment */ 413 return (0); 414 case HPCFBIO_SDSPCONF: 415 dspconf = (struct hpcfb_dspconf *)data; 416 if ((dspconf->hd_unit_index != 0 && 417 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 418 (dspconf->hd_conf_index != 0 && 419 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 420 return (EINVAL); 421 } 422 /* 423 * nothing to do 424 * because we have only one unit and one configration 425 */ 426 return (0); 427 case HPCFBIO_GOP: 428 case HPCFBIO_SOP: 429 /* 430 * curently not implemented... 431 */ 432 return (EINVAL); 433 } 434 435 return (ENOTTY); 436 } 437 438 paddr_t 439 mq200_mmap(ctx, offset, prot) 440 void *ctx; 441 off_t offset; 442 int prot; 443 { 444 struct mq200_softc *sc = (struct mq200_softc *)ctx; 445 446 if (offset < 0 || 447 (sc->sc_fbconf.hf_bytes_per_plane + 448 sc->sc_fbconf.hf_offset) < offset) 449 return -1; 450 451 return mips_btop(sc->sc_fbconf.hf_baseaddr + offset); 452 } 453
Indexes created Tue Oct 07 21:09:53 GMT 2025