1 /* $NetBSD: wzero3_lcd.c,v 1.5 2012/10/27 17:17:52 chs Exp $ */ 2 3 /*- 4 * Copyright (C) 2008, 2009 NONAKA Kimihiro <nonaka@netbsd.org> 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 __KERNEL_RCSID(0, "$NetBSD: wzero3_lcd.c,v 1.5 2012/10/27 17:17:52 chs Exp $"); 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/device.h> 34 #include <sys/pmf.h> 35 #include <sys/bus.h> 36 37 #include <dev/cons.h> 38 #include <dev/wscons/wsconsio.h> 39 #include <dev/wscons/wsdisplayvar.h> 40 #include <dev/wscons/wscons_callbacks.h> 41 42 #include <dev/hpc/hpcfbio.h> 43 44 #include <arm/xscale/pxa2x0cpu.h> 45 #include <arm/xscale/pxa2x0var.h> 46 #include <arm/xscale/pxa2x0_lcd.h> 47 48 #include <machine/bootinfo.h> 49 #include <machine/platid.h> 50 #include <machine/platid_mask.h> 51 52 #ifdef DEBUG 53 #define DPRINTF(arg) printf arg 54 #else 55 #define DPRINTF(arg) /* nothing */ 56 #endif 57 58 /* 59 * wsdisplay glue 60 */ 61 static struct pxa2x0_wsscreen_descr wzero3lcd_std_screen = { 62 .c = { 63 .name = "std", 64 .textops = &pxa2x0_lcd_emulops, 65 .fontwidth = 8, 66 .fontheight = 16, 67 .capabilities = WSSCREEN_WSCOLORS, 68 }, 69 .depth = 16, /* bits per pixel */ 70 .flags = 0, 71 }; 72 73 static const struct wsscreen_descr *wzero3lcd_scr_descr[] = { 74 &wzero3lcd_std_screen.c 75 }; 76 77 static const struct wsscreen_list wzero3lcd_screen_list = { 78 .nscreens = __arraycount(wzero3lcd_scr_descr), 79 .screens = wzero3lcd_scr_descr, 80 }; 81 82 static int wzero3lcd_ioctl(void *, void *, u_long, void *, int, struct lwp *); 83 static int wzero3lcd_param(struct pxa2x0_lcd_softc *, u_long, struct wsdisplay_param *); 84 static int wzero3lcd_show_screen(void *, void *, int, void (*)(void *, int, int), void *); 85 86 static struct wsdisplay_accessops wzero3lcd_accessops = { 87 wzero3lcd_ioctl, 88 pxa2x0_lcd_mmap, 89 pxa2x0_lcd_alloc_screen, 90 pxa2x0_lcd_free_screen, 91 wzero3lcd_show_screen, 92 NULL, 93 NULL, 94 NULL, 95 }; 96 97 /* WS003SH or WS004SH */ 98 static const struct lcd_panel_geometry sharp_ws003sh = { 99 480, /* Width */ 100 640, /* Height */ 101 0, /* No extra lines */ 102 103 LCDPANEL_ACTIVE | LCDPANEL_VSP | LCDPANEL_HSP, 104 1, /* clock divider */ 105 0, /* AC bias pin freq */ 106 107 0x14, /* horizontal sync pulse width */ 108 0x4e, /* BLW */ 109 0x46, /* ELW */ 110 111 0, /* vertical sync pulse width */ 112 2, /* BFW */ 113 5, /* EFW */ 114 115 0, /* PCDDIV */ 116 }; 117 118 /* WS007SH */ 119 static const struct lcd_panel_geometry sharp_ws007sh = { 120 480, /* Width */ 121 640, /* Height */ 122 0, /* No extra lines */ 123 124 LCDPANEL_ACTIVE | LCDPANEL_VSP | LCDPANEL_HSP | LCDPANEL_PCP | LCDPANEL_OEP, 125 3, /* clock divider */ 126 0, /* AC bias pin freq */ 127 128 0x27, /* horizontal sync pulse width */ 129 0x68, /* BLW */ 130 0x5b, /* ELW */ 131 132 0, /* vertical sync pulse width */ 133 2, /* BFW */ 134 5, /* EFW */ 135 136 1, /* PCDDIV */ 137 }; 138 139 /* WS011SH */ 140 static const struct lcd_panel_geometry sharp_ws011sh = { 141 480, /* Width */ 142 800, /* Height */ 143 0, /* No extra lines */ 144 145 LCDPANEL_ACTIVE | LCDPANEL_VSP | LCDPANEL_HSP | LCDPANEL_PCP, 146 1, /* clock divider */ 147 0, /* AC bias pin freq */ 148 149 0x0a, /* horizontal sync pulse width */ 150 0x0c, /* BLW */ 151 0x5e, /* ELW */ 152 153 0, /* vertical sync pulse width */ 154 2, /* BFW */ 155 1, /* EFW */ 156 157 0, /* PCDDIV */ 158 }; 159 160 /* WS020SH */ 161 static const struct lcd_panel_geometry sharp_ws020sh = { 162 480, /* Width */ 163 800, /* Height */ 164 0, /* No extra lines */ 165 166 LCDPANEL_ACTIVE | LCDPANEL_VSP | LCDPANEL_HSP | LCDPANEL_PCP, 167 1, /* clock divider */ 168 0, /* AC bias pin freq */ 169 170 0x0a, /* horizontal sync pulse width */ 171 0x0c, /* BLW */ 172 0x5e, /* ELW */ 173 174 0, /* vertical sync pulse width */ 175 2, /* BFW */ 176 1, /* EFW */ 177 178 0, /* PCDDIV */ 179 }; 180 181 static int wzero3lcd_match(device_t, cfdata_t, void *); 182 static void wzero3lcd_attach(device_t, device_t, void *); 183 184 CFATTACH_DECL_NEW(wzero3lcd, sizeof(struct pxa2x0_lcd_softc), 185 wzero3lcd_match, wzero3lcd_attach, NULL, NULL); 186 187 static const struct lcd_panel_geometry *wzero3lcd_lookup(void); 188 void wzero3lcd_cnattach(void); 189 static bool wzero3lcd_suspend(device_t dv, const pmf_qual_t *); 190 static bool wzero3lcd_resume(device_t dv, const pmf_qual_t *); 191 192 /* default: quarter counter clockwise rotation */ 193 int screen_rotate = 270; 194 195 static const struct lcd_panel_geometry * 196 wzero3lcd_lookup(void) 197 { 198 199 if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS003SH) 200 || platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS004SH)) 201 return &sharp_ws003sh; 202 if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS007SH)) 203 return &sharp_ws007sh; 204 if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS011SH)) 205 return &sharp_ws011sh; 206 if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS020SH)) 207 return &sharp_ws020sh; 208 return NULL; 209 } 210 211 static int 212 wzero3lcd_match(device_t parent, cfdata_t cf, void *aux) 213 { 214 215 if (strcmp(cf->cf_name, "lcd") != 0) 216 return 0; 217 if (wzero3lcd_lookup() == NULL) 218 return 0; 219 return 1; 220 } 221 222 static void 223 wzero3lcd_attach(device_t parent, device_t self, void *aux) 224 { 225 struct pxa2x0_lcd_softc *sc = device_private(self); 226 struct wsemuldisplaydev_attach_args aa; 227 const struct lcd_panel_geometry *panel; 228 229 sc->dev = self; 230 231 panel = wzero3lcd_lookup(); 232 if (panel == NULL) { 233 aprint_error(": unknown model\n"); 234 return; 235 } 236 237 if ((platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS007SH)) 238 || (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS011SH)) 239 || (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS020SH))) 240 sc->flags |= FLAG_NOUSE_ACBIAS; 241 242 wzero3lcd_std_screen.flags &= ~(RI_ROTATE_MASK); 243 switch (screen_rotate) { 244 default: 245 break; 246 247 case 270: /* quarter counter clockwise rotation */ 248 wzero3lcd_std_screen.flags |= RI_ROTATE_CCW; 249 break; 250 } 251 pxa2x0_lcd_attach_sub(sc, aux, panel); 252 253 aa.console = (bootinfo->bi_cnuse != BI_CNUSE_SERIAL); 254 aa.scrdata = &wzero3lcd_screen_list; 255 aa.accessops = &wzero3lcd_accessops; 256 aa.accesscookie = sc; 257 258 (void) config_found(self, &aa, wsemuldisplaydevprint); 259 260 if (!pmf_device_register(sc->dev, wzero3lcd_suspend, wzero3lcd_resume)) 261 aprint_error_dev(sc->dev, "couldn't establish power handler\n"); 262 } 263 264 void 265 wzero3lcd_cnattach(void) 266 { 267 const struct lcd_panel_geometry *panel; 268 269 panel = wzero3lcd_lookup(); 270 if (panel == NULL) 271 return; 272 273 pxa2x0_lcd_cnattach(&wzero3lcd_std_screen, panel); 274 } 275 276 /* 277 * Power management 278 */ 279 static bool 280 wzero3lcd_suspend(device_t dv, const pmf_qual_t *qual) 281 { 282 struct pxa2x0_lcd_softc *sc = device_private(dv); 283 284 pxa2x0_lcd_suspend(sc); 285 286 return true; 287 } 288 289 static bool 290 wzero3lcd_resume(device_t dv, const pmf_qual_t *qual) 291 { 292 struct pxa2x0_lcd_softc *sc = device_private(dv); 293 294 pxa2x0_lcd_resume(sc); 295 296 return true; 297 } 298 299 /* 300 * wsdisplay accessops overrides 301 */ 302 static int 303 wzero3lcd_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l) 304 { 305 struct pxa2x0_lcd_softc *sc = (struct pxa2x0_lcd_softc *)v; 306 struct hpcfb_fbconf *fbconf; 307 struct hpcfb_dspconf *dspconf; 308 int res = EINVAL; 309 310 switch (cmd) { 311 case WSDISPLAYIO_GETPARAM: 312 case WSDISPLAYIO_SETPARAM: 313 res = wzero3lcd_param(sc, cmd, (struct wsdisplay_param *)data); 314 break; 315 316 case HPCFBIO_GCONF: 317 fbconf = (struct hpcfb_fbconf *)data; 318 if (fbconf->hf_conf_index != 0 && 319 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 320 break; 321 } 322 323 fbconf->hf_conf_index = 0; 324 fbconf->hf_nconfs = 1; 325 fbconf->hf_class = HPCFB_CLASS_RGBCOLOR; 326 strlcpy(fbconf->hf_name, "Sharp W-ZERO3 frame buffer", 327 sizeof(fbconf->hf_name)); 328 strlcpy(fbconf->hf_conf_name, "LCD", 329 sizeof(fbconf->hf_conf_name)); 330 fbconf->hf_baseaddr = (u_long)sc->active->buf_va; 331 fbconf->hf_width = sc->geometry->panel_width; 332 fbconf->hf_height = sc->geometry->panel_height; 333 fbconf->hf_offset = 0; 334 fbconf->hf_bytes_per_line = fbconf->hf_width * 335 sc->active->depth / 8; 336 fbconf->hf_nplanes = 1; 337 fbconf->hf_bytes_per_plane = fbconf->hf_width * 338 fbconf->hf_height * sc->active->depth / 8; 339 fbconf->hf_pack_width = sc->active->depth; 340 fbconf->hf_pixels_per_pack = 1; 341 fbconf->hf_pixel_width = sc->active->depth; 342 fbconf->hf_access_flags = (HPCFB_ACCESS_STATIC 343 | HPCFB_ACCESS_BYTE 344 | HPCFB_ACCESS_WORD 345 | HPCFB_ACCESS_DWORD); 346 fbconf->hf_order_flags = 0; 347 fbconf->hf_reg_offset = 0; 348 349 fbconf->hf_class_data_length = sizeof(struct hf_rgb_tag); 350 fbconf->hf_u.hf_rgb.hf_flags = 0; 351 fbconf->hf_u.hf_rgb.hf_red_width = 5; 352 fbconf->hf_u.hf_rgb.hf_red_shift = 11; 353 fbconf->hf_u.hf_rgb.hf_green_width = 6; 354 fbconf->hf_u.hf_rgb.hf_green_shift = 5; 355 fbconf->hf_u.hf_rgb.hf_blue_width = 5; 356 fbconf->hf_u.hf_rgb.hf_blue_shift = 0; 357 fbconf->hf_u.hf_rgb.hf_alpha_width = 0; 358 fbconf->hf_u.hf_rgb.hf_alpha_shift = 0; 359 360 fbconf->hf_ext_size = 0; 361 fbconf->hf_ext_data = NULL; 362 363 res = 0; 364 break; 365 366 case HPCFBIO_SCONF: 367 fbconf = (struct hpcfb_fbconf *)data; 368 if (fbconf->hf_conf_index != 0 && 369 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 370 break; 371 } 372 /* nothing to do because we have only one configuration */ 373 res = 0; 374 break; 375 376 case HPCFBIO_GDSPCONF: 377 dspconf = (struct hpcfb_dspconf *)data; 378 if ((dspconf->hd_unit_index != 0 && 379 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 380 (dspconf->hd_conf_index != 0 && 381 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 382 break; 383 } 384 385 dspconf->hd_unit_index = 0; 386 dspconf->hd_nunits = 1; 387 dspconf->hd_class = HPCFB_DSP_CLASS_COLORLCD; 388 strlcpy(dspconf->hd_name, "PXA2x0 Internal LCD controller", 389 sizeof(dspconf->hd_name)); 390 dspconf->hd_op_flags = 0; 391 dspconf->hd_conf_index = 0; 392 dspconf->hd_nconfs = 1; 393 strlcpy(dspconf->hd_conf_name, "LCD", 394 sizeof(dspconf->hd_conf_name)); 395 dspconf->hd_width = sc->geometry->panel_width; 396 dspconf->hd_height = sc->geometry->panel_height; 397 dspconf->hd_xdpi = HPCFB_DSP_DPI_UNKNOWN; 398 dspconf->hd_ydpi = HPCFB_DSP_DPI_UNKNOWN; 399 400 res = 0; 401 break; 402 403 case HPCFBIO_SDSPCONF: 404 dspconf = (struct hpcfb_dspconf *)data; 405 if ((dspconf->hd_unit_index != 0 && 406 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 407 (dspconf->hd_conf_index != 0 && 408 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 409 break; 410 } 411 /* 412 * nothing to do 413 * because we have only one unit and one configuration 414 */ 415 res = 0; 416 break; 417 418 case HPCFBIO_GOP: 419 case HPCFBIO_SOP: 420 /* curently not implemented... */ 421 break; 422 } 423 424 if (res == EINVAL) 425 res = pxa2x0_lcd_ioctl(v, vs, cmd, data, flag, l); 426 return res; 427 } 428 429 static int 430 wzero3lcd_show_screen(void *v, void *cookie, int waitok, void (*cb_func)(void *, int, int), void *cb_arg) 431 { 432 int error; 433 434 error = pxa2x0_lcd_show_screen(v, cookie, waitok, cb_func, cb_arg); 435 if (error) 436 return (error); 437 438 return 0; 439 } 440 441 /* 442 * wsdisplay I/O controls 443 */ 444 static int 445 wzero3lcd_param(struct pxa2x0_lcd_softc *sc, u_long cmd, struct wsdisplay_param *dp) 446 { 447 int res = EINVAL; 448 449 switch (dp->param) { 450 case WSDISPLAYIO_PARAM_BACKLIGHT: 451 /* unsupported */ 452 DPRINTF(("%s: ioctl(WSDISPLAYIO_PARAM_BACKLIGHT) isn't supported\n", device_xname(sc->dev))); 453 res = ENOTTY; 454 break; 455 456 case WSDISPLAYIO_PARAM_CONTRAST: 457 DPRINTF(("%s: ioctl(WSDISPLAYIO_PARAM_CONTRAST) isn't supported\n", device_xname(sc->dev))); 458 /* unsupported */ 459 res = ENOTTY; 460 break; 461 462 case WSDISPLAYIO_PARAM_BRIGHTNESS: 463 DPRINTF(("%s: ioctl(WSDISPLAYIO_PARAM_BRIGHTNESS) isn't supported\n", device_xname(sc->dev))); 464 /* unsupported */ 465 res = ENOTTY; 466 } 467 468 return res; 469 } 470