ipaq_lcd.c revision 1.19
1 /* $NetBSD: ipaq_lcd.c,v 1.19 2011/07/19 15:37:38 dyoung Exp $ */ 2 3 /* 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Ichiro FUKUHARA (ichiro (at) ichiro.org). 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: ipaq_lcd.c,v 1.19 2011/07/19 15:37:38 dyoung Exp $"); 34 35 #define IPAQ_LCD_DEBUG 36 37 #include <sys/types.h> 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 #include <sys/time.h> 42 #include <sys/device.h> 43 #include <sys/bus.h> 44 45 #include <uvm/uvm_extern.h> 46 47 #include <dev/wscons/wsconsio.h> 48 49 #include <machine/bootinfo.h> 50 #include <machine/intr.h> 51 #include <arm/cpufunc.h> 52 #include <arm/arm32/katelib.h> 53 54 #include <arm/sa11x0/sa11x0_reg.h> 55 #include <arm/sa11x0/sa11x0_gpioreg.h> 56 57 #include <hpcarm/dev/ipaq_gpioreg.h> 58 #include <hpcarm/dev/ipaq_saipvar.h> 59 #include <hpcarm/dev/ipaq_lcdreg.h> 60 #include <hpcarm/dev/ipaq_lcdvar.h> 61 62 #ifdef IPAQ_LCD_DEBUG 63 #define DPRINTFN(n, x) if (ipaqlcddebug > (n)) aprint_normal x 64 int ipaqlcddebug = 0xff; 65 #else 66 #define DPRINTFN(n, x) 67 #endif 68 #define DPRINTF(x) DPRINTFN(0, x) 69 70 static int ipaqlcd_match(device_t, cfdata_t, void *); 71 static void ipaqlcd_attach(device_t, device_t, void *); 72 static void ipaqlcd_init(struct ipaqlcd_softc *); 73 static int ipaqlcd_fbinit(struct ipaqlcd_softc *); 74 static int ipaqlcd_ioctl(void *, u_long, void *, int, struct lwp *); 75 static paddr_t ipaqlcd_mmap(void *, off_t, int); 76 77 #if defined __mips__ || defined __sh__ || defined __arm__ 78 #define __BTOP(x) ((paddr_t)(x) >> PGSHIFT) 79 #define __PTOB(x) ((paddr_t)(x) << PGSHIFT) 80 #else 81 #error "define btop, ptob." 82 #endif 83 84 CFATTACH_DECL_NEW(ipaqlcd, sizeof(struct ipaqlcd_softc), 85 ipaqlcd_match, ipaqlcd_attach, NULL, NULL); 86 87 struct hpcfb_accessops ipaqlcd_ha = { 88 ipaqlcd_ioctl, ipaqlcd_mmap 89 }; 90 static int console_flag = 0; 91 92 static int 93 ipaqlcd_match(device_t parent, cfdata_t match, void *aux) 94 { 95 return (1); 96 } 97 98 void 99 ipaqlcd_attach(device_t parent, device_t self, void *aux) 100 { 101 struct ipaqlcd_softc *sc = device_private(self); 102 struct hpcfb_attach_args ha; 103 struct ipaq_softc *psc = device_private(parent); 104 105 sc->sc_dev = self; 106 sc->sc_iot = psc->sc_iot; 107 sc->sc_parent = psc; 108 109 ipaqlcd_init(sc); 110 ipaqlcd_fbinit(sc); 111 112 aprint_normal("\n"); 113 aprint_normal_dev(self, "iPAQ internal LCD controller\n"); 114 115 DPRINTF(("framebuffer_baseaddr=%lx\n", (u_long)bootinfo->fb_addr)); 116 117 ha.ha_console = console_flag; 118 ha.ha_accessops = &ipaqlcd_ha; 119 ha.ha_accessctx = sc; 120 ha.ha_curfbconf = 0; 121 ha.ha_nfbconf = 1; 122 ha.ha_fbconflist = &sc->sc_fbconf; 123 ha.ha_curdspconf = 0; 124 ha.ha_ndspconf = 1; 125 ha.ha_dspconflist = &sc->sc_dspconf; 126 127 config_found(sc->sc_dev, &ha, hpcfbprint); 128 } 129 130 void 131 ipaqlcd_init(struct ipaqlcd_softc *sc) 132 { 133 /* Initialization of Extended GPIO */ 134 sc->sc_parent->ipaq_egpio |= EGPIO_LCD_INIT; 135 bus_space_write_2(sc->sc_iot, sc->sc_parent->sc_egpioh, 136 0, sc->sc_parent->ipaq_egpio); 137 138 if (bus_space_map(sc->sc_iot, SALCD_BASE, SALCD_NPORTS, 139 0, &sc->sc_ioh)) 140 panic("ipaqlcd_init:Cannot map registers"); 141 142 bootinfo->fb_addr = (void *) 143 bus_space_read_4(sc->sc_iot, sc->sc_ioh, SALCD_BA1); 144 145 /* 146 * Initialize LCD Control Register 0 - 3 147 * must initialize DMA Channel Base Address Register 148 * before enabling LCD(LEN = 1) 149 */ 150 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 151 SALCD_CR1, IPAQ_LCCR1); 152 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 153 SALCD_CR2, IPAQ_LCCR2); 154 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 155 SALCD_CR3, IPAQ_LCCR3); 156 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 157 SALCD_CR0, IPAQ_LCCR0); 158 159 DPRINTF(("\n" 160 "DMA_BASE= %08x : DMA_CUR = %08x \n" 161 "LCCR0 = %08x : LCCR1 = %08x \n" 162 "LCCR2 = %08x : LCCR3 = %08x", 163 bus_space_read_4(sc->sc_iot, sc->sc_ioh, SALCD_BA1), 164 bus_space_read_4(sc->sc_iot, sc->sc_ioh, SALCD_CA1), 165 bus_space_read_4(sc->sc_iot, sc->sc_ioh, SALCD_CR0), 166 bus_space_read_4(sc->sc_iot, sc->sc_ioh, SALCD_CR1), 167 bus_space_read_4(sc->sc_iot, sc->sc_ioh, SALCD_CR2), 168 bus_space_read_4(sc->sc_iot, sc->sc_ioh, SALCD_CR3))); 169 170 } 171 172 int 173 ipaqlcd_fbinit(struct ipaqlcd_softc *sc) 174 { 175 struct hpcfb_fbconf *fb; 176 177 fb = &sc->sc_fbconf; 178 179 /* Initialize fb */ 180 memset(fb, 0, sizeof(*fb)); 181 182 fb->hf_conf_index = 0; /* configuration index */ 183 fb->hf_nconfs = 1; 184 strcpy(fb->hf_name, "built-in video"); 185 strcpy(fb->hf_conf_name, "LCD"); 186 /* configuration name */ 187 fb->hf_height = bootinfo->fb_height; 188 fb->hf_width = bootinfo->fb_width; 189 190 if (bus_space_map(sc->sc_iot, (bus_addr_t)bootinfo->fb_addr, 191 bootinfo->fb_height * bootinfo->fb_line_bytes, 192 0, &fb->hf_baseaddr)) { 193 aprint_normal("unable to map framebuffer\n"); 194 return (-1); 195 } 196 197 fb->hf_offset = (u_long)bootinfo->fb_addr - 198 __PTOB(__BTOP(bootinfo->fb_addr)); 199 /* frame buffer start offset */ 200 fb->hf_bytes_per_line = bootinfo->fb_line_bytes; 201 fb->hf_nplanes = 1; 202 fb->hf_bytes_per_plane = bootinfo->fb_height * 203 bootinfo->fb_line_bytes; 204 205 fb->hf_access_flags |= HPCFB_ACCESS_BYTE; 206 fb->hf_access_flags |= HPCFB_ACCESS_WORD; 207 fb->hf_access_flags |= HPCFB_ACCESS_DWORD; 208 209 switch (bootinfo->fb_type) { 210 /* 211 * gray scale 212 */ 213 case BIFB_D2_M2L_3: 214 case BIFB_D2_M2L_3x2: 215 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; 216 case BIFB_D2_M2L_0: 217 case BIFB_D2_M2L_0x2: 218 fb->hf_class = HPCFB_CLASS_GRAYSCALE; 219 break; 220 case BIFB_D4_M2L_F: 221 case BIFB_D4_M2L_Fx2: 222 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE; 223 case BIFB_D4_M2L_0: 224 case BIFB_D4_M2L_0x2: 225 fb->hf_class = HPCFB_CLASS_GRAYSCALE; 226 break; 227 /* 228 * indexed color 229 */ 230 case BIFB_D8_FF: 231 case BIFB_D8_00: 232 fb->hf_offset = 0x200; 233 break; 234 /* 235 * RGB color 236 */ 237 case BIFB_D16_FFFF: 238 case BIFB_D16_0000: 239 fb->hf_class = HPCFB_CLASS_RGBCOLOR; 240 fb->hf_access_flags |= HPCFB_ACCESS_STATIC; 241 fb->hf_order_flags = HPCFB_REVORDER_BYTE; 242 fb->hf_pack_width = 16; 243 fb->hf_pixels_per_pack = 1; 244 fb->hf_pixel_width = 16; 245 246 fb->hf_class_data_length = sizeof(struct hf_rgb_tag); 247 fb->hf_u.hf_rgb.hf_flags = 0; 248 /* reserved for future use */ 249 fb->hf_u.hf_rgb.hf_red_width = 5; 250 fb->hf_u.hf_rgb.hf_red_shift = 11; 251 fb->hf_u.hf_rgb.hf_green_width = 6; 252 fb->hf_u.hf_rgb.hf_green_shift = 5; 253 fb->hf_u.hf_rgb.hf_blue_width = 5; 254 fb->hf_u.hf_rgb.hf_blue_shift = 0; 255 fb->hf_u.hf_rgb.hf_alpha_width = 0; 256 fb->hf_u.hf_rgb.hf_alpha_shift = 0; 257 break; 258 default : 259 aprint_normal("unknown type (=%d).\n", 260 bootinfo->fb_type); 261 return (-1); 262 break; 263 } 264 265 return(0); 266 } 267 268 int 269 ipaqlcd_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l) 270 { 271 struct ipaqlcd_softc *sc = (struct ipaqlcd_softc *)v; 272 struct hpcfb_fbconf *fbconf; 273 struct hpcfb_dspconf *dspconf; 274 struct wsdisplay_cmap *cmap; 275 struct wsdisplay_param *dispparam; 276 277 switch (cmd) { 278 case WSDISPLAYIO_GETCMAP: 279 cmap = (struct wsdisplay_cmap*)data; 280 281 if (sc->sc_fbconf.hf_class != HPCFB_CLASS_INDEXCOLOR || 282 sc->sc_fbconf.hf_pack_width != 8 || 283 256 <= cmap->index || 284 256 < (cmap->index + cmap->count)) 285 return (EINVAL); 286 return (0); 287 case WSDISPLAYIO_PUTCMAP: 288 return (EINVAL); 289 case WSDISPLAYIO_GETPARAM: 290 dispparam = (struct wsdisplay_param*)data; 291 switch (dispparam->param) { 292 case WSDISPLAYIO_PARAM_BACKLIGHT: 293 DPRINTF(("ipaqlcd_ioctl: GETPARAM:BACKLIGHT\n")); 294 return (EINVAL); 295 case WSDISPLAYIO_PARAM_CONTRAST: 296 DPRINTF(("ipaqlcd_ioctl: GETPARAM:CONTRAST\n")); 297 return (EINVAL); 298 case WSDISPLAYIO_PARAM_BRIGHTNESS: 299 DPRINTF(("ipaqlcd_ioctl: GETPARAM:BRIGHTNESS\n")); 300 return (EINVAL); 301 default: 302 return (EINVAL); 303 } 304 return (0); 305 case WSDISPLAYIO_SETPARAM: 306 dispparam = (struct wsdisplay_param*)data; 307 switch (dispparam->param) { 308 case WSDISPLAYIO_PARAM_BACKLIGHT: 309 DPRINTF(("ipaqlcd_ioctl: GETPARAM:BACKLIGHT\n")); 310 return (EINVAL); 311 case WSDISPLAYIO_PARAM_CONTRAST: 312 DPRINTF(("ipaqlcd_ioctl: GETPARAM:CONTRAST\n")); 313 return (EINVAL); 314 case WSDISPLAYIO_PARAM_BRIGHTNESS: 315 DPRINTF(("ipaqlcd_ioctl: GETPARAM:BRIGHTNESS\n")); 316 return (EINVAL); 317 default: 318 return (EINVAL); 319 } 320 return (0); 321 322 case HPCFBIO_GCONF: 323 fbconf = (struct hpcfb_fbconf *)data; 324 if (fbconf->hf_conf_index != 0 && 325 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 326 return (EINVAL); 327 } 328 *fbconf = sc->sc_fbconf; /* structure assignment */ 329 return (0); 330 case HPCFBIO_SCONF: 331 fbconf = (struct hpcfb_fbconf *)data; 332 if (fbconf->hf_conf_index != 0 && 333 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) { 334 return (EINVAL); 335 } 336 /* 337 * nothing to do because we have only one configuration 338 */ 339 return (0); 340 case HPCFBIO_GDSPCONF: 341 dspconf = (struct hpcfb_dspconf *)data; 342 if ((dspconf->hd_unit_index != 0 && 343 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 344 (dspconf->hd_conf_index != 0 && 345 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 346 return (EINVAL); 347 } 348 *dspconf = sc->sc_dspconf; /* structure assignment */ 349 return (0); 350 case HPCFBIO_SDSPCONF: 351 dspconf = (struct hpcfb_dspconf *)data; 352 if ((dspconf->hd_unit_index != 0 && 353 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) || 354 (dspconf->hd_conf_index != 0 && 355 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) { 356 return (EINVAL); 357 } 358 /* 359 * nothing to do 360 * because we have only one unit and one configuration 361 */ 362 return (0); 363 364 case HPCFBIO_GOP: 365 case HPCFBIO_SOP: 366 return (EINVAL); 367 } 368 return (EPASSTHROUGH); 369 } 370 371 paddr_t 372 ipaqlcd_mmap(void *ctx, off_t offset, int prot) 373 { 374 struct ipaqlcd_softc *sc = (struct ipaqlcd_softc *)ctx; 375 376 if (offset < 0 || 377 (sc->sc_fbconf.hf_bytes_per_plane + 378 sc->sc_fbconf.hf_offset) < offset) 379 return -1; 380 381 return __BTOP((u_long)bootinfo->fb_addr + offset); 382 } 383
Indexes created Wed Sep 24 05:09:52 GMT 2025