zlcd.c revision 1.16
1 /* $NetBSD: zlcd.c,v 1.16 2012/01/25 16:51:17 tsutsui 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 on/off switch and backlight brightness 42 * LCD panel geometry 43 */ 44 45 #include <sys/cdefs.h> 46 __KERNEL_RCSID(0, "$NetBSD: zlcd.c,v 1.16 2012/01/25 16:51:17 tsutsui Exp $"); 47 48 #include "lcdctl.h" 49 50 #include <sys/param.h> 51 #include <sys/systm.h> 52 #include <sys/device.h> 53 54 #include <dev/cons.h> 55 #include <dev/wscons/wsconsio.h> 56 #include <dev/wscons/wsdisplayvar.h> 57 58 #include <dev/hpc/hpcfbio.h> 59 60 #include <arm/xscale/pxa2x0var.h> 61 #include <arm/xscale/pxa2x0_lcd.h> 62 63 #include <zaurus/zaurus/zaurus_var.h> 64 #include <zaurus/dev/zlcdvar.h> 65 #if NLCDCTL > 0 66 #include <zaurus/dev/lcdctlvar.h> 67 #endif 68 69 /* 70 * wsdisplay glue 71 */ 72 static struct pxa2x0_wsscreen_descr lcd_std_screen = { 73 .c = { 74 .name = "std", 75 .textops = &pxa2x0_lcd_emulops, 76 .fontwidth = 8, 77 .fontheight = 16, 78 .capabilities = WSSCREEN_WSCOLORS, 79 }, 80 .depth = 16, /* bits per pixel */ 81 .flags = RI_ROTATE_CW, /* quarter clockwise rotation */ 82 }; 83 84 static const struct wsscreen_descr *lcd_scr_descr[] = { 85 &lcd_std_screen.c 86 }; 87 88 static const struct wsscreen_list lcd_screen_list = { 89 .nscreens = __arraycount(lcd_scr_descr), 90 .screens = lcd_scr_descr, 91 }; 92 93 static int lcd_ioctl(void *, void *, u_long, void *, int, struct lwp *); 94 static int lcd_show_screen(void *, void *, int, 95 void (*)(void *, int, int), void *); 96 97 struct wsdisplay_accessops lcd_accessops = { 98 lcd_ioctl, 99 pxa2x0_lcd_mmap, 100 pxa2x0_lcd_alloc_screen, 101 pxa2x0_lcd_free_screen, 102 lcd_show_screen, 103 NULL, 104 NULL, 105 NULL, 106 }; 107 108 const struct lcd_panel_geometry lcd_panel_geometry_c3000 = 109 { 110 480, /* Width */ 111 640, /* Height */ 112 0, /* No extra lines */ 113 114 LCDPANEL_ACTIVE | LCDPANEL_VSP | LCDPANEL_HSP, 115 1, /* clock divider */ 116 0, /* AC bias pin freq */ 117 118 0x28, /* horizontal sync pulse width */ 119 0x2e, /* BLW */ 120 0x7d, /* ELW */ 121 122 2, /* vertical sync pulse width */ 123 1, /* BFW */ 124 0, /* EFW */ 125 }; 126 127 static int lcd_match(device_t, cfdata_t, void *); 128 static void lcd_attach(device_t, device_t, void *); 129 130 CFATTACH_DECL_NEW(zlcd, sizeof(struct pxa2x0_lcd_softc), 131 lcd_match, lcd_attach, NULL, NULL); 132 133 static bool lcd_suspend(device_t, const pmf_qual_t *); 134 static bool lcd_resume(device_t, const pmf_qual_t *); 135 136 static int 137 lcd_match(device_t parent, cfdata_t cf, void *aux) 138 { 139 140 if (ZAURUS_ISC1000 || ZAURUS_ISC3000) 141 return 1; 142 return 0; 143 } 144 145 static void 146 lcd_attach(device_t parent, device_t self, void *aux) 147 { 148 struct pxa2x0_lcd_softc *sc = device_private(self); 149 struct wsemuldisplaydev_attach_args aa; 150 151 sc->dev = self; 152 153 pxa2x0_lcd_attach_sub(sc, aux, &lcd_panel_geometry_c3000); 154 155 aa.console = glass_console; 156 aa.scrdata = &lcd_screen_list; 157 aa.accessops = &lcd_accessops; 158 aa.accesscookie = sc; 159 160 (void) config_found(self, &aa, wsemuldisplaydevprint); 161 162 if (!pmf_device_register(self, lcd_suspend, lcd_resume)) 163 aprint_error_dev(self, "couldn't establish power handler\n"); 164 } 165 166 void 167 lcd_cnattach(void) 168 { 169 170 pxa2x0_lcd_cnattach(&lcd_std_screen, &lcd_panel_geometry_c3000); 171 } 172 173 /* 174 * power management 175 */ 176 static bool 177 lcd_suspend(device_t dv, const pmf_qual_t *qual) 178 { 179 struct pxa2x0_lcd_softc *sc = device_private(dv); 180 181 #if NLCDCTL > 0 182 lcdctl_onoff(false); 183 #endif 184 pxa2x0_lcd_suspend(sc); 185 186 return true; 187 } 188 189 static bool 190 lcd_resume(device_t dv, const pmf_qual_t *qual) 191 { 192 struct pxa2x0_lcd_softc *sc = device_private(dv); 193 194 pxa2x0_lcd_resume(sc); 195 #if NLCDCTL > 0 196 lcdctl_onoff(true); 197 #endif 198 199 return true; 200 } 201 202 /* 203 * wsdisplay accessops overrides 204 */ 205 static int 206 lcd_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l) 207 { 208 struct pxa2x0_lcd_softc *sc = (struct pxa2x0_lcd_softc *)v; 209 struct hpcfb_fbconf *fbconf; 210 struct hpcfb_dspconf *dspconf; 211 int res = EINVAL; 212 213 switch (cmd) { 214 #if NLCDCTL > 0 215 case WSDISPLAYIO_GETPARAM: 216 case WSDISPLAYIO_SETPARAM: 217 res = lcdctl_param(cmd, (struct wsdisplay_param *)data); 218 break; 219 #endif 220 221 case HPCFBIO_GCONF: 222 fbconf = (struct hpcfb_fbconf *)data; 223 if (fbconf->hf_conf_index != 0 && 224 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 225 break; 226 } 227 228 fbconf->hf_conf_index = 0; 229 fbconf->hf_nconfs = 1; 230 fbconf->hf_class = HPCFB_CLASS_RGBCOLOR; 231 strlcpy(fbconf->hf_name, "Sharp Zaurus frame buffer", 232 sizeof(fbconf->hf_name)); 233 strlcpy(fbconf->hf_conf_name, "default", 234 sizeof(fbconf->hf_conf_name)); 235 fbconf->hf_width = sc->geometry->panel_width; 236 fbconf->hf_height = sc->geometry->panel_height; 237 fbconf->hf_baseaddr = (u_long)sc->active->buf_va; 238 fbconf->hf_offset = 0; 239 fbconf->hf_bytes_per_line = sc->geometry->panel_width * 240 sc->active->depth / 8; 241 fbconf->hf_nplanes = 1; 242 fbconf->hf_bytes_per_plane = sc->geometry->panel_width * 243 sc->geometry->panel_height * sc->active->depth / 8; 244 fbconf->hf_pack_width = sc->active->depth; 245 fbconf->hf_pixels_per_pack = 1; 246 fbconf->hf_pixel_width = sc->active->depth; 247 fbconf->hf_access_flags = (0 248 | HPCFB_ACCESS_BYTE 249 | HPCFB_ACCESS_WORD 250 | HPCFB_ACCESS_DWORD); 251 fbconf->hf_order_flags = 0; 252 fbconf->hf_reg_offset = 0; 253 254 fbconf->hf_class_data_length = sizeof(struct hf_rgb_tag); 255 fbconf->hf_u.hf_rgb.hf_flags = 0; 256 fbconf->hf_u.hf_rgb.hf_red_width = 5; 257 fbconf->hf_u.hf_rgb.hf_red_shift = 11; 258 fbconf->hf_u.hf_rgb.hf_green_width = 6; 259 fbconf->hf_u.hf_rgb.hf_green_shift = 5; 260 fbconf->hf_u.hf_rgb.hf_blue_width = 5; 261 fbconf->hf_u.hf_rgb.hf_blue_shift = 0; 262 fbconf->hf_u.hf_rgb.hf_alpha_width = 0; 263 fbconf->hf_u.hf_rgb.hf_alpha_shift = 0; 264 265 fbconf->hf_ext_size = 0; 266 fbconf->hf_ext_data = NULL; 267 268 res = 0; 269 break; 270 271 case HPCFBIO_SCONF: 272 fbconf = (struct hpcfb_fbconf *)data; 273 if (fbconf->hf_conf_index != 0 && 274 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 275 break; 276 } 277 /* nothing to do because we have only one configuration */ 278 res = 0; 279 break; 280 281 case HPCFBIO_GDSPCONF: 282 dspconf = (struct hpcfb_dspconf *)data; 283 if ((dspconf->hd_unit_index != 0 && 284 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 285 (dspconf->hd_conf_index != 0 && 286 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 287 break; 288 } 289 290 dspconf->hd_unit_index = 0; 291 dspconf->hd_nunits = 1; 292 dspconf->hd_class = HPCFB_DSP_CLASS_COLORLCD; 293 strlcpy(dspconf->hd_name, "Sharp Zaurus LCD", 294 sizeof(dspconf->hd_name)); 295 dspconf->hd_op_flags = 0; 296 dspconf->hd_conf_index = 0; 297 dspconf->hd_nconfs = 1; 298 strlcpy(dspconf->hd_conf_name, "default", 299 sizeof(dspconf->hd_conf_name)); 300 dspconf->hd_width = sc->geometry->panel_width; 301 dspconf->hd_height = sc->geometry->panel_height; 302 dspconf->hd_xdpi = HPCFB_DSP_DPI_UNKNOWN; 303 dspconf->hd_ydpi = HPCFB_DSP_DPI_UNKNOWN; 304 305 res = 0; 306 break; 307 308 case HPCFBIO_SDSPCONF: 309 dspconf = (struct hpcfb_dspconf *)data; 310 if ((dspconf->hd_unit_index != 0 && 311 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 312 (dspconf->hd_conf_index != 0 && 313 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 314 break; 315 } 316 /* 317 * nothing to do 318 * because we have only one unit and one configuration 319 */ 320 res = 0; 321 break; 322 323 case HPCFBIO_GOP: 324 case HPCFBIO_SOP: 325 /* curently not implemented... */ 326 break; 327 } 328 329 if (res == EINVAL) 330 res = pxa2x0_lcd_ioctl(v, vs, cmd, data, flag, l); 331 return res; 332 } 333 334 static int 335 lcd_show_screen(void *v, void *cookie, int waitok, 336 void (*cb_func)(void *, int, int), void *cb_arg) 337 { 338 int error; 339 340 error = pxa2x0_lcd_show_screen(v, cookie, waitok, cb_func, cb_arg); 341 if (error) 342 return (error); 343 344 #if NLCDCTL > 0 345 /* Turn on LCD */ 346 lcdctl_onoff(true); 347 #endif 348 349 return 0; 350 } 351
Indexes created Mon Sep 29 21:09:56 GMT 2025