ibm561.c revision 1.1.2.4
1 1.1.2.4 nathanw /* $NetBSD: ibm561.c,v 1.1.2.4 2002/08/13 02:19:23 nathanw Exp $ */ 2 1.1.2.2 nathanw 3 1.1.2.2 nathanw /*- 4 1.1.2.2 nathanw * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 1.1.2.2 nathanw * All rights reserved. 6 1.1.2.2 nathanw * 7 1.1.2.2 nathanw * This code is derived from software contributed to The NetBSD Foundation 8 1.1.2.2 nathanw * by Roland C. Dowdeswell of Ponte, Inc. 9 1.1.2.2 nathanw * 10 1.1.2.2 nathanw * Redistribution and use in source and binary forms, with or without 11 1.1.2.2 nathanw * modification, are permitted provided that the following conditions 12 1.1.2.2 nathanw * are met: 13 1.1.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 14 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer. 15 1.1.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 17 1.1.2.2 nathanw * documentation and/or other materials provided with the distribution. 18 1.1.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 19 1.1.2.2 nathanw * must display the following acknowledgement: 20 1.1.2.2 nathanw * This product includes software developed by the NetBSD 21 1.1.2.2 nathanw * Foundation, Inc. and its contributors. 22 1.1.2.2 nathanw * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.1.2.2 nathanw * contributors may be used to endorse or promote products derived 24 1.1.2.2 nathanw * from this software without specific prior written permission. 25 1.1.2.2 nathanw * 26 1.1.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.1.2.2 nathanw * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.1.2.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.1.2.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.1.2.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.1.2.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.1.2.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.1.2.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.1.2.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.1.2.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.1.2.2 nathanw * POSSIBILITY OF SUCH DAMAGE. 37 1.1.2.2 nathanw */ 38 1.1.2.2 nathanw 39 1.1.2.2 nathanw #include <sys/param.h> 40 1.1.2.2 nathanw #include <sys/systm.h> 41 1.1.2.2 nathanw #include <sys/device.h> 42 1.1.2.2 nathanw #include <sys/buf.h> 43 1.1.2.2 nathanw #include <sys/kernel.h> 44 1.1.2.2 nathanw #include <sys/malloc.h> 45 1.1.2.2 nathanw 46 1.1.2.2 nathanw #include <uvm/uvm_extern.h> 47 1.1.2.2 nathanw 48 1.1.2.2 nathanw #include <dev/pci/pcivar.h> 49 1.1.2.2 nathanw #include <dev/ic/ibm561reg.h> 50 1.1.2.2 nathanw #include <dev/ic/ibm561var.h> 51 1.1.2.2 nathanw #include <dev/ic/ramdac.h> 52 1.1.2.2 nathanw 53 1.1.2.2 nathanw #include <dev/wscons/wsconsio.h> 54 1.1.2.2 nathanw 55 1.1.2.2 nathanw /* 56 1.1.2.2 nathanw * Functions exported via the RAMDAC configuration table. 57 1.1.2.2 nathanw */ 58 1.1.2.2 nathanw void ibm561_init __P((struct ramdac_cookie *)); 59 1.1.2.2 nathanw int ibm561_set_cmap __P((struct ramdac_cookie *, 60 1.1.2.2 nathanw struct wsdisplay_cmap *)); 61 1.1.2.2 nathanw int ibm561_get_cmap __P((struct ramdac_cookie *, 62 1.1.2.2 nathanw struct wsdisplay_cmap *)); 63 1.1.2.2 nathanw int ibm561_set_cursor __P((struct ramdac_cookie *, 64 1.1.2.2 nathanw struct wsdisplay_cursor *)); 65 1.1.2.2 nathanw int ibm561_get_cursor __P((struct ramdac_cookie *, 66 1.1.2.2 nathanw struct wsdisplay_cursor *)); 67 1.1.2.2 nathanw int ibm561_set_curpos __P((struct ramdac_cookie *, 68 1.1.2.2 nathanw struct wsdisplay_curpos *)); 69 1.1.2.2 nathanw int ibm561_get_curpos __P((struct ramdac_cookie *, 70 1.1.2.2 nathanw struct wsdisplay_curpos *)); 71 1.1.2.2 nathanw int ibm561_get_curmax __P((struct ramdac_cookie *, 72 1.1.2.2 nathanw struct wsdisplay_curpos *)); 73 1.1.2.2 nathanw int ibm561_set_dotclock __P((struct ramdac_cookie *, 74 1.1.2.2 nathanw unsigned)); 75 1.1.2.2 nathanw 76 1.1.2.2 nathanw /* XXX const */ 77 1.1.2.2 nathanw struct ramdac_funcs ibm561_funcsstruct = { 78 1.1.2.2 nathanw "IBM561", 79 1.1.2.2 nathanw ibm561_register, 80 1.1.2.2 nathanw ibm561_init, 81 1.1.2.2 nathanw ibm561_set_cmap, 82 1.1.2.2 nathanw ibm561_get_cmap, 83 1.1.2.2 nathanw ibm561_set_cursor, 84 1.1.2.2 nathanw ibm561_get_cursor, 85 1.1.2.2 nathanw ibm561_set_curpos, 86 1.1.2.2 nathanw ibm561_get_curpos, 87 1.1.2.2 nathanw ibm561_get_curmax, 88 1.1.2.2 nathanw NULL, /* check_curcmap; not needed */ 89 1.1.2.2 nathanw NULL, /* set_curcmap; not needed */ 90 1.1.2.2 nathanw NULL, /* get_curcmap; not needed */ 91 1.1.2.2 nathanw ibm561_set_dotclock, 92 1.1.2.2 nathanw }; 93 1.1.2.2 nathanw 94 1.1.2.2 nathanw /* 95 1.1.2.2 nathanw * Private data. 96 1.1.2.2 nathanw */ 97 1.1.2.2 nathanw struct ibm561data { 98 1.1.2.2 nathanw void *cookie; 99 1.1.2.2 nathanw 100 1.1.2.2 nathanw int (*ramdac_sched_update) __P((void *, void (*)(void *))); 101 1.1.2.2 nathanw void (*ramdac_wr) __P((void *, u_int, u_int8_t)); 102 1.1.2.2 nathanw u_int8_t (*ramdac_rd) __P((void *, u_int)); 103 1.1.2.2 nathanw 104 1.1.2.2 nathanw #define CHANGED_CURCMAP 0x0001 /* cursor cmap */ 105 1.1.2.2 nathanw #define CHANGED_CMAP 0x0002 /* color map */ 106 1.1.2.2 nathanw #define CHANGED_WTYPE 0x0004 /* window types */ 107 1.1.2.2 nathanw #define CHANGED_DOTCLOCK 0x0008 /* dot clock */ 108 1.1.2.2 nathanw #define CHANGED_ALL 0x000f /* or of all above */ 109 1.1.2.2 nathanw u_int8_t changed; 110 1.1.2.2 nathanw 111 1.1.2.2 nathanw /* dotclock parameters */ 112 1.1.2.2 nathanw u_int8_t vco_div; 113 1.1.2.2 nathanw u_int8_t pll_ref; 114 1.1.2.2 nathanw u_int8_t div_dotclock; 115 1.1.2.2 nathanw 116 1.1.2.2 nathanw /* colormaps et al. */ 117 1.1.2.2 nathanw u_int8_t curcmap_r[2]; 118 1.1.2.2 nathanw u_int8_t curcmap_g[2]; 119 1.1.2.2 nathanw u_int8_t curcmap_b[2]; 120 1.1.2.2 nathanw 121 1.1.2.2 nathanw u_int8_t cmap_r[IBM561_NCMAP_ENTRIES]; 122 1.1.2.2 nathanw u_int8_t cmap_g[IBM561_NCMAP_ENTRIES]; 123 1.1.2.2 nathanw u_int8_t cmap_b[IBM561_NCMAP_ENTRIES]; 124 1.1.2.2 nathanw 125 1.1.2.2 nathanw u_int16_t gamma_r[IBM561_NGAMMA_ENTRIES]; 126 1.1.2.2 nathanw u_int16_t gamma_g[IBM561_NGAMMA_ENTRIES]; 127 1.1.2.2 nathanw u_int16_t gamma_b[IBM561_NGAMMA_ENTRIES]; 128 1.1.2.2 nathanw 129 1.1.2.2 nathanw u_int16_t wtype[IBM561_NWTYPES]; 130 1.1.2.2 nathanw }; 131 1.1.2.2 nathanw 132 1.1.2.2 nathanw /* 133 1.1.2.2 nathanw * private functions 134 1.1.2.2 nathanw */ 135 1.1.2.2 nathanw void ibm561_update __P((void *)); 136 1.1.2.2 nathanw static void ibm561_load_cmap(struct ibm561data *); 137 1.1.2.2 nathanw static void ibm561_load_dotclock(struct ibm561data *); 138 1.1.2.2 nathanw static void ibm561_regbegin(struct ibm561data *, u_int16_t); 139 1.1.2.2 nathanw static void ibm561_regcont(struct ibm561data *, u_int16_t, u_int8_t); 140 1.1.2.2 nathanw static void ibm561_regcont10bit(struct ibm561data *, u_int16_t, u_int16_t); 141 1.1.2.2 nathanw static void ibm561_regwr(struct ibm561data *, u_int16_t, u_int8_t); 142 1.1.2.2 nathanw 143 1.1.2.2 nathanw struct ramdac_funcs * 144 1.1.2.2 nathanw ibm561_funcs(void) 145 1.1.2.2 nathanw { 146 1.1.2.2 nathanw return &ibm561_funcsstruct; 147 1.1.2.2 nathanw } 148 1.1.2.2 nathanw 149 1.1.2.2 nathanw struct ramdac_cookie * 150 1.1.2.2 nathanw ibm561_register(v, sched_update, wr, rd) 151 1.1.2.2 nathanw void *v; 152 1.1.2.2 nathanw int (*sched_update)(void *, void (*)(void *)); 153 1.1.2.2 nathanw void (*wr)(void *, u_int, u_int8_t); 154 1.1.2.2 nathanw u_int8_t (*rd)(void *, u_int); 155 1.1.2.2 nathanw { 156 1.1.2.2 nathanw struct ibm561data *data; 157 1.1.2.2 nathanw 158 1.1.2.3 nathanw data = malloc(sizeof *data, M_DEVBUF, M_WAITOK|M_ZERO); 159 1.1.2.2 nathanw data->cookie = v; 160 1.1.2.2 nathanw data->ramdac_sched_update = sched_update; 161 1.1.2.2 nathanw data->ramdac_wr = wr; 162 1.1.2.2 nathanw data->ramdac_rd = rd; 163 1.1.2.2 nathanw return (struct ramdac_cookie *)data; 164 1.1.2.2 nathanw } 165 1.1.2.2 nathanw 166 1.1.2.2 nathanw /* 167 1.1.2.2 nathanw * This function exists solely to provide a means to init 168 1.1.2.2 nathanw * the RAMDAC without first registering. It is useful for 169 1.1.2.2 nathanw * initializing the console early on. 170 1.1.2.2 nathanw */ 171 1.1.2.2 nathanw 172 1.1.2.2 nathanw struct ibm561data *saved_console_data; 173 1.1.2.2 nathanw 174 1.1.2.2 nathanw void 175 1.1.2.2 nathanw ibm561_cninit(v, sched_update, wr, rd, dotclock) 176 1.1.2.2 nathanw void *v; 177 1.1.2.2 nathanw int (*sched_update)(void *, void (*)(void *)); 178 1.1.2.2 nathanw void (*wr)(void *, u_int, u_int8_t); 179 1.1.2.2 nathanw u_int8_t (*rd)(void *, u_int); 180 1.1.2.2 nathanw u_int dotclock; 181 1.1.2.2 nathanw { 182 1.1.2.2 nathanw struct ibm561data tmp, *data = &tmp; 183 1.1.2.2 nathanw memset(data, 0x0, sizeof *data); 184 1.1.2.2 nathanw data->cookie = v; 185 1.1.2.2 nathanw data->ramdac_sched_update = sched_update; 186 1.1.2.2 nathanw data->ramdac_wr = wr; 187 1.1.2.2 nathanw data->ramdac_rd = rd; 188 1.1.2.2 nathanw ibm561_set_dotclock((struct ramdac_cookie *)data, dotclock); 189 1.1.2.2 nathanw saved_console_data = data; 190 1.1.2.2 nathanw ibm561_init((struct ramdac_cookie *)data); 191 1.1.2.2 nathanw saved_console_data = NULL; 192 1.1.2.2 nathanw } 193 1.1.2.2 nathanw 194 1.1.2.2 nathanw void 195 1.1.2.2 nathanw ibm561_init(rc) 196 1.1.2.2 nathanw struct ramdac_cookie *rc; 197 1.1.2.2 nathanw { 198 1.1.2.2 nathanw struct ibm561data *data = (struct ibm561data *)rc; 199 1.1.2.2 nathanw int i; 200 1.1.2.2 nathanw 201 1.1.2.2 nathanw /* XXX this is _essential_ */ 202 1.1.2.2 nathanw 203 1.1.2.2 nathanw ibm561_load_dotclock(data); 204 1.1.2.2 nathanw 205 1.1.2.2 nathanw /* XXXrcd: bunch of magic of which I have no current clue */ 206 1.1.2.2 nathanw ibm561_regwr(data, IBM561_CONFIG_REG1, 0x2a); 207 1.1.2.2 nathanw ibm561_regwr(data, IBM561_CONFIG_REG3, 0x41); 208 1.1.2.2 nathanw ibm561_regwr(data, IBM561_CONFIG_REG4, 0x20); 209 1.1.2.2 nathanw 210 1.1.2.2 nathanw /* initialize the card a bit */ 211 1.1.2.2 nathanw ibm561_regwr(data, IBM561_SYNC_CNTL, 0x1); 212 1.1.2.2 nathanw ibm561_regwr(data, IBM561_CONFIG_REG2, 0x19); 213 1.1.2.2 nathanw 214 1.1.2.2 nathanw ibm561_regwr(data, IBM561_CONFIG_REG1, 0x2a); 215 1.1.2.2 nathanw ibm561_regwr(data, IBM561_CONFIG_REG4, 0x20); 216 1.1.2.2 nathanw 217 1.1.2.2 nathanw ibm561_regbegin(data, IBM561_WAT_SEG_REG); 218 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0x00); 219 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0x00); 220 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0x00); 221 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0x00); 222 1.1.2.2 nathanw ibm561_regbegin(data, IBM561_CHROMAKEY0); 223 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0x00); 224 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0x00); 225 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0x00); 226 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0x00); 227 1.1.2.2 nathanw 228 1.1.2.2 nathanw ibm561_regwr(data, IBM561_CURS_CNTL_REG, 0x00); /* XXX off? */ 229 1.1.2.2 nathanw 230 1.1.2.2 nathanw /* cursor `hot spot' registers */ 231 1.1.2.2 nathanw ibm561_regbegin(data, IBM561_HOTSPOT_REG); 232 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0x00); 233 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0x00); 234 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0xff); 235 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0x00); 236 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0xff); 237 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0x00); 238 1.1.2.2 nathanw 239 1.1.2.2 nathanw /* VRAM Mask Registers (diagnostics) */ 240 1.1.2.2 nathanw ibm561_regbegin(data, IBM561_VRAM_MASK_REG); 241 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0xff); 242 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0xff); 243 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0xff); 244 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0xff); 245 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0xff); 246 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0xff); 247 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0xff); 248 1.1.2.2 nathanw 249 1.1.2.2 nathanw /* let's set up some decent default colour maps and gammas */ 250 1.1.2.2 nathanw for (i=0; i < IBM561_NCMAP_ENTRIES; i++) 251 1.1.2.2 nathanw data->cmap_r[i] = data->cmap_g[i] = data->cmap_b[i] = 0xff; 252 1.1.2.2 nathanw data->cmap_r[0] = data->cmap_g[0] = data->cmap_b[0] = 0x00; 253 1.1.2.2 nathanw data->cmap_r[256] = data->cmap_g[256] = data->cmap_b[256] = 0x00; 254 1.1.2.2 nathanw data->cmap_r[512] = data->cmap_g[512] = data->cmap_b[512] = 0x00; 255 1.1.2.2 nathanw data->cmap_r[768] = data->cmap_g[768] = data->cmap_b[768] = 0x00; 256 1.1.2.2 nathanw 257 1.1.2.2 nathanw data->gamma_r[0] = data->gamma_g[0] = data->gamma_b[0] = 0x00; 258 1.1.2.2 nathanw for (i=0; i < IBM561_NGAMMA_ENTRIES; i++) 259 1.1.2.2 nathanw data->gamma_r[i] = data->gamma_g[i] = data->gamma_b[i] = 0xff; 260 1.1.2.2 nathanw 261 1.1.2.2 nathanw for (i=0; i < IBM561_NWTYPES; i++) 262 1.1.2.2 nathanw data->wtype[i] = 0x0036; 263 1.1.2.2 nathanw data->wtype[1] = 0x0028; 264 1.1.2.2 nathanw 265 1.1.2.2 nathanw /* the last step: */ 266 1.1.2.2 nathanw data->changed = CHANGED_ALL; 267 1.1.2.2 nathanw data->ramdac_sched_update(data->cookie, ibm561_update); 268 1.1.2.2 nathanw } 269 1.1.2.2 nathanw 270 1.1.2.2 nathanw int 271 1.1.2.2 nathanw ibm561_set_cmap(rc, cmapp) 272 1.1.2.2 nathanw struct ramdac_cookie *rc; 273 1.1.2.2 nathanw struct wsdisplay_cmap *cmapp; 274 1.1.2.2 nathanw { 275 1.1.2.2 nathanw struct ibm561data *data = (struct ibm561data *)rc; 276 1.1.2.4 nathanw u_int count, index; 277 1.1.2.2 nathanw int s; 278 1.1.2.2 nathanw 279 1.1.2.4 nathanw if (cmapp->index >= IBM561_NCMAP_ENTRIES || 280 1.1.2.4 nathanw cmapp->count > IBM561_NCMAP_ENTRIES - cmapp->index) 281 1.1.2.2 nathanw return (EINVAL); 282 1.1.2.2 nathanw if (!uvm_useracc(cmapp->red, cmapp->count, B_READ) || 283 1.1.2.2 nathanw !uvm_useracc(cmapp->green, cmapp->count, B_READ) || 284 1.1.2.2 nathanw !uvm_useracc(cmapp->blue, cmapp->count, B_READ)) 285 1.1.2.2 nathanw return (EFAULT); 286 1.1.2.2 nathanw 287 1.1.2.2 nathanw s = spltty(); 288 1.1.2.2 nathanw index = cmapp->index; 289 1.1.2.2 nathanw count = cmapp->count; 290 1.1.2.2 nathanw copyin(cmapp->red, &data->cmap_r[index], count); 291 1.1.2.2 nathanw copyin(cmapp->green, &data->cmap_g[index], count); 292 1.1.2.2 nathanw copyin(cmapp->blue, &data->cmap_b[index], count); 293 1.1.2.2 nathanw data->changed |= CHANGED_CMAP; 294 1.1.2.2 nathanw data->ramdac_sched_update(data->cookie, ibm561_update); 295 1.1.2.2 nathanw splx(s); 296 1.1.2.2 nathanw return (0); 297 1.1.2.2 nathanw } 298 1.1.2.2 nathanw 299 1.1.2.2 nathanw int 300 1.1.2.2 nathanw ibm561_get_cmap(rc, cmapp) 301 1.1.2.2 nathanw struct ramdac_cookie *rc; 302 1.1.2.2 nathanw struct wsdisplay_cmap *cmapp; 303 1.1.2.2 nathanw { 304 1.1.2.2 nathanw struct ibm561data *data = (struct ibm561data *)rc; 305 1.1.2.4 nathanw u_int count, index; 306 1.1.2.2 nathanw int error; 307 1.1.2.2 nathanw 308 1.1.2.4 nathanw if (cmapp->index >= IBM561_NCMAP_ENTRIES || 309 1.1.2.4 nathanw cmapp->count > IBM561_NCMAP_ENTRIES - cmapp->index) 310 1.1.2.2 nathanw return (EINVAL); 311 1.1.2.2 nathanw count = cmapp->count; 312 1.1.2.2 nathanw index = cmapp->index; 313 1.1.2.2 nathanw error = copyout(&data->cmap_r[index], cmapp->red, count); 314 1.1.2.2 nathanw if (error) 315 1.1.2.2 nathanw return (error); 316 1.1.2.2 nathanw error = copyout(&data->cmap_g[index], cmapp->green, count); 317 1.1.2.2 nathanw if (error) 318 1.1.2.2 nathanw return (error); 319 1.1.2.2 nathanw error = copyout(&data->cmap_b[index], cmapp->blue, count); 320 1.1.2.2 nathanw return (error); 321 1.1.2.2 nathanw } 322 1.1.2.2 nathanw 323 1.1.2.2 nathanw /* 324 1.1.2.2 nathanw * XXX: 325 1.1.2.2 nathanw * I am leaving these functions returning EINVAL, as they are 326 1.1.2.2 nathanw * not strictly necessary for the correct functioning of the 327 1.1.2.2 nathanw * card and in fact are not used on the other TGA variants, except 328 1.1.2.2 nathanw * they are exported via ioctl(2) to userland, which does not in 329 1.1.2.2 nathanw * fact use them. 330 1.1.2.2 nathanw */ 331 1.1.2.2 nathanw 332 1.1.2.2 nathanw int 333 1.1.2.2 nathanw ibm561_set_cursor(rc, cursorp) 334 1.1.2.2 nathanw struct ramdac_cookie *rc; 335 1.1.2.2 nathanw struct wsdisplay_cursor *cursorp; 336 1.1.2.2 nathanw { 337 1.1.2.2 nathanw return EINVAL; 338 1.1.2.2 nathanw } 339 1.1.2.2 nathanw 340 1.1.2.2 nathanw int 341 1.1.2.2 nathanw ibm561_get_cursor(rc, cursorp) 342 1.1.2.2 nathanw struct ramdac_cookie *rc; 343 1.1.2.2 nathanw struct wsdisplay_cursor *cursorp; 344 1.1.2.2 nathanw { 345 1.1.2.2 nathanw return EINVAL; 346 1.1.2.2 nathanw } 347 1.1.2.2 nathanw 348 1.1.2.2 nathanw int 349 1.1.2.2 nathanw ibm561_set_curpos(rc, curposp) 350 1.1.2.2 nathanw struct ramdac_cookie *rc; 351 1.1.2.2 nathanw struct wsdisplay_curpos *curposp; 352 1.1.2.2 nathanw { 353 1.1.2.2 nathanw return EINVAL; 354 1.1.2.2 nathanw } 355 1.1.2.2 nathanw 356 1.1.2.2 nathanw int 357 1.1.2.2 nathanw ibm561_get_curpos(rc, curposp) 358 1.1.2.2 nathanw struct ramdac_cookie *rc; 359 1.1.2.2 nathanw struct wsdisplay_curpos *curposp; 360 1.1.2.2 nathanw { 361 1.1.2.2 nathanw return EINVAL; 362 1.1.2.2 nathanw } 363 1.1.2.2 nathanw 364 1.1.2.2 nathanw int 365 1.1.2.2 nathanw ibm561_get_curmax(rc, curposp) 366 1.1.2.2 nathanw struct ramdac_cookie *rc; 367 1.1.2.2 nathanw struct wsdisplay_curpos *curposp; 368 1.1.2.2 nathanw { 369 1.1.2.2 nathanw return EINVAL; 370 1.1.2.2 nathanw } 371 1.1.2.2 nathanw 372 1.1.2.2 nathanw int 373 1.1.2.2 nathanw ibm561_set_dotclock(rc, dotclock) 374 1.1.2.2 nathanw struct ramdac_cookie *rc; 375 1.1.2.2 nathanw unsigned dotclock; 376 1.1.2.2 nathanw { 377 1.1.2.2 nathanw struct ibm561data *data = (struct ibm561data *)rc; 378 1.1.2.2 nathanw 379 1.1.2.2 nathanw /* XXXrcd: a couple of these are a little hazy, vis a vis 380 1.1.2.2 nathanw * check 175MHz and 202MHz, which are wrong... 381 1.1.2.2 nathanw */ 382 1.1.2.2 nathanw switch (dotclock) { 383 1.1.2.2 nathanw case 25175000: data->vco_div = 0x3e; data->pll_ref = 0x09; break; 384 1.1.2.2 nathanw case 31500000: data->vco_div = 0x17; data->pll_ref = 0x05; break; 385 1.1.2.2 nathanw case 40000000: data->vco_div = 0x42; data->pll_ref = 0x06; break; 386 1.1.2.2 nathanw case 50000000: data->vco_div = 0x45; data->pll_ref = 0x05; break; 387 1.1.2.2 nathanw case 65000000: data->vco_div = 0xac; data->pll_ref = 0x0c; break; 388 1.1.2.2 nathanw case 69000000: data->vco_div = 0xa9; data->pll_ref = 0x0b; break; 389 1.1.2.2 nathanw case 74000000: data->vco_div = 0x9c; data->pll_ref = 0x09; break; 390 1.1.2.2 nathanw case 75000000: data->vco_div = 0x93; data->pll_ref = 0x08; break; 391 1.1.2.2 nathanw case 103994000: data->vco_div = 0x96; data->pll_ref = 0x06; break; 392 1.1.2.2 nathanw case 108180000: data->vco_div = 0xb8; data->pll_ref = 0x08; break; 393 1.1.2.2 nathanw case 110000000: data->vco_div = 0xba; data->pll_ref = 0x08; break; 394 1.1.2.2 nathanw case 119840000: data->vco_div = 0x82; data->pll_ref = 0x04; break; 395 1.1.2.2 nathanw case 130808000: data->vco_div = 0xc8; data->pll_ref = 0x08; break; 396 1.1.2.2 nathanw case 135000000: data->vco_div = 0xc1; data->pll_ref = 0x07; break; 397 1.1.2.2 nathanw case 175000000: data->vco_div = 0xe2; data->pll_ref = 0x07; break; 398 1.1.2.2 nathanw case 202500000: data->vco_div = 0xe2; data->pll_ref = 0x07; break; 399 1.1.2.2 nathanw default: 400 1.1.2.2 nathanw return EINVAL; 401 1.1.2.2 nathanw } 402 1.1.2.2 nathanw 403 1.1.2.2 nathanw data->div_dotclock = 0xb0; 404 1.1.2.2 nathanw data->changed |= CHANGED_DOTCLOCK; 405 1.1.2.2 nathanw return 0; 406 1.1.2.2 nathanw } 407 1.1.2.2 nathanw 408 1.1.2.2 nathanw /* 409 1.1.2.2 nathanw * Internal Functions 410 1.1.2.2 nathanw */ 411 1.1.2.2 nathanw 412 1.1.2.2 nathanw void 413 1.1.2.2 nathanw ibm561_update(vp) 414 1.1.2.2 nathanw void *vp; 415 1.1.2.2 nathanw { 416 1.1.2.2 nathanw struct ibm561data *data = (struct ibm561data *)vp; 417 1.1.2.2 nathanw int i; 418 1.1.2.2 nathanw 419 1.1.2.2 nathanw /* XXX see comment above ibm561_cninit() */ 420 1.1.2.2 nathanw if (!data) 421 1.1.2.2 nathanw data = saved_console_data; 422 1.1.2.2 nathanw 423 1.1.2.2 nathanw if (data->changed & CHANGED_WTYPE) { 424 1.1.2.2 nathanw ibm561_regbegin(data, IBM561_FB_WINTYPE); 425 1.1.2.2 nathanw for (i=0; i < IBM561_NWTYPES; i++) 426 1.1.2.2 nathanw ibm561_regcont10bit(data, IBM561_CMD_FB_WAT, data->wtype[i]); 427 1.1.2.2 nathanw 428 1.1.2.2 nathanw /* XXXrcd: quick hack here for AUX FB table */ 429 1.1.2.2 nathanw ibm561_regbegin(data, IBM561_AUXFB_WINTYPE); 430 1.1.2.2 nathanw for (i=0; i < IBM561_NWTYPES; i++) 431 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0x04); 432 1.1.2.2 nathanw 433 1.1.2.2 nathanw /* XXXrcd: quick hack here for OL WAT table */ 434 1.1.2.2 nathanw ibm561_regbegin(data, IBM561_OL_WINTYPE); 435 1.1.2.2 nathanw for (i=0; i < IBM561_NWTYPES; i++) 436 1.1.2.2 nathanw ibm561_regcont10bit(data, IBM561_CMD_FB_WAT, 0x0231); 437 1.1.2.2 nathanw 438 1.1.2.2 nathanw /* XXXrcd: quick hack here for AUX OL WAT table */ 439 1.1.2.2 nathanw ibm561_regbegin(data, IBM561_AUXOL_WINTYPE); 440 1.1.2.2 nathanw for (i=0; i < IBM561_NWTYPES; i++) 441 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, 0x0c); 442 1.1.2.2 nathanw } 443 1.1.2.2 nathanw 444 1.1.2.2 nathanw if (data->changed & CHANGED_CMAP) 445 1.1.2.2 nathanw ibm561_load_cmap(data); 446 1.1.2.2 nathanw 447 1.1.2.2 nathanw /* XXX: I am not sure in what situations it is safe to 448 1.1.2.2 nathanw * change the dotclock---hope this is good. 449 1.1.2.2 nathanw */ 450 1.1.2.2 nathanw if (data->changed & CHANGED_DOTCLOCK) 451 1.1.2.2 nathanw ibm561_load_dotclock(data); 452 1.1.2.2 nathanw } 453 1.1.2.2 nathanw 454 1.1.2.2 nathanw static void 455 1.1.2.2 nathanw ibm561_load_cmap(struct ibm561data *data) 456 1.1.2.2 nathanw { 457 1.1.2.2 nathanw int i; 458 1.1.2.2 nathanw 459 1.1.2.2 nathanw ibm561_regbegin(data, IBM561_CMAP_TABLE); 460 1.1.2.2 nathanw for (i=0; i < IBM561_NCMAP_ENTRIES; i++) { 461 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD_CMAP, data->cmap_r[i]); 462 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD_CMAP, data->cmap_g[i]); 463 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD_CMAP, data->cmap_b[i]); 464 1.1.2.2 nathanw } 465 1.1.2.2 nathanw 466 1.1.2.2 nathanw ibm561_regbegin(data, IBM561_RED_GAMMA_TABLE); 467 1.1.2.2 nathanw for (i=0; i < 256; i++) 468 1.1.2.2 nathanw ibm561_regcont10bit(data, IBM561_CMD_GAMMA, data->gamma_r[i]); 469 1.1.2.2 nathanw 470 1.1.2.2 nathanw ibm561_regbegin(data, IBM561_GREEN_GAMMA_TABLE); 471 1.1.2.2 nathanw for (i=1; i < 256; i++) 472 1.1.2.2 nathanw ibm561_regcont10bit(data, IBM561_CMD_GAMMA, data->gamma_g[i]); 473 1.1.2.2 nathanw 474 1.1.2.2 nathanw ibm561_regbegin(data, IBM561_BLUE_GAMMA_TABLE); 475 1.1.2.2 nathanw for (i=1; i < 256; i++) 476 1.1.2.2 nathanw ibm561_regcont10bit(data, IBM561_CMD_GAMMA, data->gamma_b[i]); 477 1.1.2.2 nathanw 478 1.1.2.2 nathanw } 479 1.1.2.2 nathanw 480 1.1.2.2 nathanw static void 481 1.1.2.2 nathanw ibm561_load_dotclock(struct ibm561data *data) 482 1.1.2.2 nathanw { 483 1.1.2.2 nathanw /* XXX 484 1.1.2.2 nathanw * we should probably be more pro-active here, but it shouldn't 485 1.1.2.2 nathanw * actually happen... 486 1.1.2.2 nathanw */ 487 1.1.2.2 nathanw if (!data->vco_div || !data->pll_ref || ! data->div_dotclock) { 488 1.1.2.2 nathanw panic("ibm561_load_dotclock: called uninitialized"); 489 1.1.2.2 nathanw } 490 1.1.2.2 nathanw 491 1.1.2.2 nathanw ibm561_regwr(data, IBM561_PLL_VCO_DIV, data->vco_div); 492 1.1.2.2 nathanw ibm561_regwr(data, IBM561_PLL_REF_REG, data->pll_ref); 493 1.1.2.2 nathanw ibm561_regwr(data, IBM561_DIV_DOTCLCK, data->div_dotclock); 494 1.1.2.2 nathanw } 495 1.1.2.2 nathanw 496 1.1.2.2 nathanw static void 497 1.1.2.2 nathanw ibm561_regcont10bit(struct ibm561data *data, u_int16_t reg, u_int16_t val) 498 1.1.2.2 nathanw { 499 1.1.2.2 nathanw data->ramdac_wr(data->cookie, IBM561_CMD_GAMMA, (val >> 2) & 0xff); 500 1.1.2.2 nathanw data->ramdac_wr(data->cookie, IBM561_CMD_GAMMA, (val & 0x3) << 6); 501 1.1.2.2 nathanw } 502 1.1.2.2 nathanw 503 1.1.2.2 nathanw static void 504 1.1.2.2 nathanw ibm561_regbegin(struct ibm561data *data, u_int16_t reg) 505 1.1.2.2 nathanw { 506 1.1.2.2 nathanw data->ramdac_wr(data->cookie, IBM561_ADDR_LOW, reg & 0xff); 507 1.1.2.2 nathanw data->ramdac_wr(data->cookie, IBM561_ADDR_HIGH, (reg >> 8) & 0xff); 508 1.1.2.2 nathanw } 509 1.1.2.2 nathanw 510 1.1.2.2 nathanw static void 511 1.1.2.2 nathanw ibm561_regcont(struct ibm561data *data, u_int16_t reg, u_int8_t val) 512 1.1.2.2 nathanw { 513 1.1.2.2 nathanw data->ramdac_wr(data->cookie, reg, val); 514 1.1.2.2 nathanw } 515 1.1.2.2 nathanw 516 1.1.2.2 nathanw static void 517 1.1.2.2 nathanw ibm561_regwr(struct ibm561data *data, u_int16_t reg, u_int8_t val) 518 1.1.2.2 nathanw { 519 1.1.2.2 nathanw ibm561_regbegin(data, reg); 520 1.1.2.2 nathanw ibm561_regcont(data, IBM561_CMD, val); 521 1.1.2.2 nathanw } 522
Indexes created Mon Oct 13 16:09:52 GMT 2025