1 /* $NetBSD: zlcd.c,v 1.21 2022/05/28 10:36:23 andvar Exp $ */ 2 /* $OpenBSD: zaurus_lcd.c,v 1.20 2006/06/02 20:50:14 miod Exp $ */ 3 /* NetBSD: lubbock_lcd.c,v 1.1 2003/08/09 19:38:53 bsh Exp */ 4 5 /* 6 * Copyright (c) 2002, 2003 Genetec Corporation. All rights reserved. 7 * Written by Hiroyuki Bessho for Genetec Corporation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of Genetec Corporation may not be used to endorse or 18 * promote products derived from this software without specific prior 19 * written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /* 35 * LCD driver for Sharp Zaurus (based on the Intel Lubbock driver). 36 * 37 * Controlling LCD is almost completely done through PXA2X0's 38 * integrated LCD controller. Codes for it is arm/xscale/pxa2x0_lcd.c. 39 * 40 * Codes in this file provide platform specific things including: 41 * LCD panel geometry 42 * 43 * LCD on/off switch and backlight brightness are done in lcdctl.c. 44 */ 45 46 #include <sys/cdefs.h> 47 __KERNEL_RCSID(0, "$NetBSD: zlcd.c,v 1.21 2022/05/28 10:36:23 andvar Exp $"); 48 49 #include "lcdctl.h" 50 51 #include <sys/param.h> 52 #include <sys/systm.h> 53 #include <sys/device.h> 54 55 #include <dev/cons.h> 56 #include <dev/wscons/wsconsio.h> 57 #include <dev/wscons/wsdisplayvar.h> 58 59 #include <dev/hpc/hpcfbio.h> 60 61 #include <arm/xscale/pxa2x0var.h> 62 #include <arm/xscale/pxa2x0_lcd.h> 63 64 #include <zaurus/zaurus/zaurus_var.h> 65 #include <zaurus/dev/zlcdvar.h> 66 #if NLCDCTL > 0 67 #include <zaurus/dev/lcdctlvar.h> 68 #endif 69 70 /* 71 * wsdisplay glue 72 */ 73 static struct pxa2x0_wsscreen_descr lcd_std_screen = { 74 .c = { 75 .name = "std", 76 .textops = &pxa2x0_lcd_emulops, 77 .fontwidth = 8, 78 .fontheight = 16, 79 .capabilities = WSSCREEN_WSCOLORS, 80 }, 81 .depth = 16, /* bits per pixel */ 82 .flags = RI_ROTATE_CW, /* quarter clockwise rotation */ 83 }; 84 85 static const struct wsscreen_descr *lcd_scr_descr[] = { 86 &lcd_std_screen.c 87 }; 88 89 static const struct wsscreen_list lcd_screen_list = { 90 .nscreens = __arraycount(lcd_scr_descr), 91 .screens = lcd_scr_descr, 92 }; 93 94 static int lcd_ioctl(void *, void *, u_long, void *, int, struct lwp *); 95 static int lcd_show_screen(void *, void *, int, 96 void (*)(void *, int, int), void *); 97 98 struct wsdisplay_accessops lcd_accessops = { 99 lcd_ioctl, 100 pxa2x0_lcd_mmap, 101 pxa2x0_lcd_alloc_screen, 102 pxa2x0_lcd_free_screen, 103 lcd_show_screen, 104 NULL, 105 NULL, 106 NULL, 107 }; 108 109 const struct lcd_panel_geometry lcd_panel_geometry_c3000 = 110 { 111 480, /* Width */ 112 640, /* Height */ 113 0, /* No extra lines */ 114 115 LCDPANEL_ACTIVE | LCDPANEL_VSP | LCDPANEL_HSP, 116 1, /* clock divider */ 117 0, /* AC bias pin freq */ 118 119 0x28, /* horizontal sync pulse width */ 120 0x2e, /* BLW */ 121 0x7d, /* ELW */ 122 123 2, /* vertical sync pulse width */ 124 1, /* BFW */ 125 0, /* EFW */ 126 }; 127 128 static int lcd_match(device_t, cfdata_t, void *); 129 static void lcd_attach(device_t, device_t, void *); 130 131 CFATTACH_DECL_NEW(zlcd, sizeof(struct pxa2x0_lcd_softc), 132 lcd_match, lcd_attach, NULL, NULL); 133 134 static bool lcd_suspend(device_t, const pmf_qual_t *); 135 static bool lcd_resume(device_t, const pmf_qual_t *); 136 137 static int 138 lcd_match(device_t parent, cfdata_t cf, void *aux) 139 { 140 141 if (ZAURUS_ISC1000 || ZAURUS_ISC3000) 142 return 1; 143 return 0; 144 } 145 146 static void 147 lcd_attach(device_t parent, device_t self, void *aux) 148 { 149 struct pxa2x0_lcd_softc *sc = device_private(self); 150 struct wsemuldisplaydev_attach_args aa; 151 152 sc->dev = self; 153 154 pxa2x0_lcd_attach_sub(sc, aux, &lcd_panel_geometry_c3000); 155 156 aa.console = glass_console; 157 aa.scrdata = &lcd_screen_list; 158 aa.accessops = &lcd_accessops; 159 aa.accesscookie = sc; 160 161 (void) config_found(self, &aa, wsemuldisplaydevprint, CFARGS_NONE); 162 163 if (!pmf_device_register(self, lcd_suspend, lcd_resume)) 164 aprint_error_dev(self, "couldn't establish power handler\n"); 165 } 166 167 void 168 lcd_cnattach(void) 169 { 170 171 if (ZAURUS_ISC1000 || ZAURUS_ISC3000) 172 pxa2x0_lcd_cnattach(&lcd_std_screen, &lcd_panel_geometry_c3000); 173 } 174 175 /* 176 * power management 177 */ 178 static bool 179 lcd_suspend(device_t dv, const pmf_qual_t *qual) 180 { 181 struct pxa2x0_lcd_softc *sc = device_private(dv); 182 183 #if NLCDCTL > 0 184 lcdctl_onoff(false); 185 #endif 186 pxa2x0_lcd_suspend(sc); 187 188 return true; 189 } 190 191 static bool 192 lcd_resume(device_t dv, const pmf_qual_t *qual) 193 { 194 struct pxa2x0_lcd_softc *sc = device_private(dv); 195 196 pxa2x0_lcd_resume(sc); 197 #if NLCDCTL > 0 198 lcdctl_onoff(true); 199 #endif 200 201 return true; 202 } 203 204 /* 205 * wsdisplay accessops overrides 206 */ 207 static int 208 lcd_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l) 209 { 210 struct pxa2x0_lcd_softc *sc = (struct pxa2x0_lcd_softc *)v; 211 struct hpcfb_fbconf *fbconf; 212 struct hpcfb_dspconf *dspconf; 213 int res = EINVAL; 214 215 switch (cmd) { 216 #if NLCDCTL > 0 217 case WSDISPLAYIO_GETPARAM: 218 case WSDISPLAYIO_SETPARAM: 219 res = lcdctl_param(cmd, (struct wsdisplay_param *)data); 220 break; 221 #endif 222 223 case HPCFBIO_GCONF: 224 fbconf = (struct hpcfb_fbconf *)data; 225 if (fbconf->hf_conf_index != 0 && 226 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 227 break; 228 } 229 230 fbconf->hf_conf_index = 0; 231 fbconf->hf_nconfs = 1; 232 fbconf->hf_class = HPCFB_CLASS_RGBCOLOR; 233 strlcpy(fbconf->hf_name, "Sharp Zaurus frame buffer", 234 sizeof(fbconf->hf_name)); 235 strlcpy(fbconf->hf_conf_name, "default", 236 sizeof(fbconf->hf_conf_name)); 237 fbconf->hf_width = sc->geometry->panel_width; 238 fbconf->hf_height = sc->geometry->panel_height; 239 fbconf->hf_baseaddr = (u_long)sc->active->buf_va; 240 fbconf->hf_offset = 0; 241 fbconf->hf_bytes_per_line = sc->geometry->panel_width * 242 sc->active->depth / 8; 243 fbconf->hf_nplanes = 1; 244 fbconf->hf_bytes_per_plane = sc->geometry->panel_width * 245 sc->geometry->panel_height * sc->active->depth / 8; 246 fbconf->hf_pack_width = sc->active->depth; 247 fbconf->hf_pixels_per_pack = 1; 248 fbconf->hf_pixel_width = sc->active->depth; 249 fbconf->hf_access_flags = (0 250 | HPCFB_ACCESS_BYTE 251 | HPCFB_ACCESS_WORD 252 | HPCFB_ACCESS_DWORD); 253 fbconf->hf_order_flags = 0; 254 fbconf->hf_reg_offset = 0; 255 256 fbconf->hf_class_data_length = sizeof(struct hf_rgb_tag); 257 fbconf->hf_u.hf_rgb.hf_flags = 0; 258 fbconf->hf_u.hf_rgb.hf_red_width = 5; 259 fbconf->hf_u.hf_rgb.hf_red_shift = 11; 260 fbconf->hf_u.hf_rgb.hf_green_width = 6; 261 fbconf->hf_u.hf_rgb.hf_green_shift = 5; 262 fbconf->hf_u.hf_rgb.hf_blue_width = 5; 263 fbconf->hf_u.hf_rgb.hf_blue_shift = 0; 264 fbconf->hf_u.hf_rgb.hf_alpha_width = 0; 265 fbconf->hf_u.hf_rgb.hf_alpha_shift = 0; 266 267 fbconf->hf_ext_size = 0; 268 fbconf->hf_ext_data = NULL; 269 270 res = 0; 271 break; 272 273 case HPCFBIO_SCONF: 274 fbconf = (struct hpcfb_fbconf *)data; 275 if (fbconf->hf_conf_index != 0 && 276 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 277 break; 278 } 279 /* nothing to do because we have only one configuration */ 280 res = 0; 281 break; 282 283 case HPCFBIO_GDSPCONF: 284 dspconf = (struct hpcfb_dspconf *)data; 285 if ((dspconf->hd_unit_index != 0 && 286 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 287 (dspconf->hd_conf_index != 0 && 288 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 289 break; 290 } 291 292 dspconf->hd_unit_index = 0; 293 dspconf->hd_nunits = 1; 294 dspconf->hd_class = HPCFB_DSP_CLASS_COLORLCD; 295 strlcpy(dspconf->hd_name, "Sharp Zaurus LCD", 296 sizeof(dspconf->hd_name)); 297 dspconf->hd_op_flags = 0; 298 dspconf->hd_conf_index = 0; 299 dspconf->hd_nconfs = 1; 300 strlcpy(dspconf->hd_conf_name, "default", 301 sizeof(dspconf->hd_conf_name)); 302 dspconf->hd_width = sc->geometry->panel_width; 303 dspconf->hd_height = sc->geometry->panel_height; 304 dspconf->hd_xdpi = HPCFB_DSP_DPI_UNKNOWN; 305 dspconf->hd_ydpi = HPCFB_DSP_DPI_UNKNOWN; 306 307 res = 0; 308 break; 309 310 case HPCFBIO_SDSPCONF: 311 dspconf = (struct hpcfb_dspconf *)data; 312 if ((dspconf->hd_unit_index != 0 && 313 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 314 (dspconf->hd_conf_index != 0 && 315 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 316 break; 317 } 318 /* 319 * nothing to do 320 * because we have only one unit and one configuration 321 */ 322 res = 0; 323 break; 324 325 case HPCFBIO_GOP: 326 case HPCFBIO_SOP: 327 /* currently not implemented... */ 328 break; 329 } 330 331 if (res == EINVAL) 332 res = pxa2x0_lcd_ioctl(v, vs, cmd, data, flag, l); 333 return res; 334 } 335 336 static int 337 lcd_show_screen(void *v, void *cookie, int waitok, 338 void (*cb_func)(void *, int, int), void *cb_arg) 339 { 340 int error; 341 342 error = pxa2x0_lcd_show_screen(v, cookie, waitok, cb_func, cb_arg); 343 if (error) 344 return (error); 345 346 #if NLCDCTL > 0 347 /* Turn on LCD */ 348 lcdctl_onoff(true); 349 #endif 350 351 return 0; 352 } 353
Indexes created Fri Sep 26 20:09:58 GMT 2025