1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * isa-specific console configuration routines 31 */ 32 33 #include <sys/types.h> 34 #include <sys/param.h> 35 #include <sys/cmn_err.h> 36 #include <sys/systm.h> 37 #include <sys/conf.h> 38 #include <sys/debug.h> 39 #include <sys/ddi.h> 40 #include <sys/sunddi.h> 41 #include <sys/sunndi.h> 42 #include <sys/esunddi.h> 43 #include <sys/ddi_impldefs.h> 44 #include <sys/promif.h> 45 #include <sys/modctl.h> 46 #include <sys/termios.h> 47 #if defined(__xpv) 48 #include <sys/hypervisor.h> 49 #include <sys/boot_console.h> 50 #endif 51 52 /* The names of currently supported graphics drivers on x86 */ 53 static char * 54 gfxdrv_name[] = { 55 "radeon", 56 "vgatext", 57 "i915", 58 "atiatom", 59 "nvidia", 60 }; 61 62 int 63 plat_use_polled_debug() { 64 return (0); 65 } 66 67 int 68 plat_support_serial_kbd_and_ms() { 69 return (0); 70 } 71 72 #define A_CNT(arr) (sizeof (arr) / sizeof (arr[0])) 73 74 #define CONS_INVALID -1 75 #define CONS_SCREEN 0 76 #define CONS_TTYA 1 77 #define CONS_TTYB 2 78 #define CONS_USBSER 3 79 #define CONS_HYPERVISOR 4 80 81 char *plat_fbpath(void); 82 83 static int 84 console_type() 85 { 86 static int boot_console = CONS_INVALID; 87 88 char *cons; 89 dev_info_t *root; 90 91 if (boot_console != CONS_INVALID) 92 return (boot_console); 93 94 #if defined(__xpv) 95 if (!DOMAIN_IS_INITDOMAIN(xen_info) || bcons_hypervisor_redirect()) { 96 boot_console = CONS_HYPERVISOR; 97 return (boot_console); 98 } 99 #endif /* __xpv */ 100 101 /* 102 * console is defined by "console" property, with 103 * fallback on the old "input-device" property. 104 * If "input-device" is not defined either, also check "output-device". 105 */ 106 boot_console = CONS_SCREEN; /* default is screen/kb */ 107 root = ddi_root_node(); 108 if ((ddi_prop_lookup_string(DDI_DEV_T_ANY, root, 109 DDI_PROP_DONTPASS, "console", &cons) == DDI_SUCCESS) || 110 (ddi_prop_lookup_string(DDI_DEV_T_ANY, root, 111 DDI_PROP_DONTPASS, "input-device", &cons) == DDI_SUCCESS) || 112 (ddi_prop_lookup_string(DDI_DEV_T_ANY, root, 113 DDI_PROP_DONTPASS, "output-device", &cons) == DDI_SUCCESS)) { 114 if (strcmp(cons, "ttya") == 0) { 115 boot_console = CONS_TTYA; 116 } else if (strcmp(cons, "ttyb") == 0) { 117 boot_console = CONS_TTYB; 118 } else if (strcmp(cons, "usb-serial") == 0) { 119 (void) i_ddi_attach_hw_nodes("ehci"); 120 (void) i_ddi_attach_hw_nodes("uhci"); 121 (void) i_ddi_attach_hw_nodes("ohci"); 122 /* 123 * USB device enumerate asynchronously. 124 * Wait 2 seconds for USB serial devices to attach. 125 */ 126 delay(drv_usectohz(2000000)); 127 boot_console = CONS_USBSER; 128 #if defined(__xpv) 129 } else if (strcmp(cons, "hypervisor") == 0) { 130 boot_console = CONS_HYPERVISOR; 131 #endif /* __xpv */ 132 } 133 ddi_prop_free(cons); 134 } 135 136 /* 137 * If the console is configured to use a framebuffer but none 138 * could be found, fallback to "ttya" since it's likely to exist 139 * and it matches longstanding behavior on SPARC. 140 */ 141 if (boot_console == CONS_SCREEN && plat_fbpath() == NULL) 142 boot_console = CONS_TTYA; 143 144 return (boot_console); 145 } 146 147 int 148 plat_stdin_is_keyboard(void) 149 { 150 return (console_type() == CONS_SCREEN); 151 } 152 153 int 154 plat_stdout_is_framebuffer(void) 155 { 156 return (console_type() == CONS_SCREEN); 157 } 158 159 /* 160 * Return generic path to keyboard device from the alias. 161 */ 162 char * 163 plat_kbdpath(void) 164 { 165 /* 166 * Hardcode to isa keyboard path 167 * XXX make it settable via bootprop? 168 */ 169 return ("/isa/i8042@1,60/keyboard@0"); 170 } 171 172 /* 173 * Return generic path to display device from the alias. 174 */ 175 char * 176 plat_fbpath(void) 177 { 178 static char *fbpath = NULL; 179 static char fbpath_buf[MAXPATHLEN]; 180 major_t major; 181 dev_info_t *dip, *dip_pseudo = NULL; 182 int i; 183 184 /* lookup the dip for the pseudo device */ 185 (void) resolve_pathname("/pseudo", &dip_pseudo, NULL, NULL); 186 187 for (i = 0; i < A_CNT(gfxdrv_name); i++) { 188 /* 189 * look for first instance of each driver 190 */ 191 if ((major = ddi_name_to_major(gfxdrv_name[i])) == (major_t)-1) 192 continue; 193 194 if ((dip = devnamesp[major].dn_head) == NULL) 195 continue; 196 197 /* 198 * We're looking for a real hardware device here so skip 199 * any pseudo devices. When could a framebuffer hardware 200 * driver also have a pseudo node? Well, some framebuffer 201 * hardware drivers (nvidia) also create pseudo nodes for 202 * administration purposes, and these nodes will exist 203 * regardless of if the actual associated hardware 204 * is present or not. 205 */ 206 if (ddi_get_parent(dip) == dip_pseudo) 207 continue; 208 209 if (i_ddi_attach_node_hierarchy(dip) == DDI_SUCCESS) { 210 (void) ddi_pathname(dip, fbpath_buf); 211 fbpath = fbpath_buf; 212 } 213 214 if (fbpath) 215 break; 216 } 217 218 if (dip_pseudo != NULL) 219 ddi_release_devi(dip_pseudo); 220 221 /* No screen found */ 222 return (fbpath); 223 } 224 225 char * 226 plat_mousepath(void) 227 { 228 /* 229 * Hardcode to isa mouse path 230 * XXX make it settable via bootprop? 231 */ 232 return ("/isa/i8042@1,60/mouse@1"); 233 } 234 235 /* return path of first usb serial device */ 236 static char * 237 plat_usbser_path(void) 238 { 239 extern dev_info_t *usbser_first_device(void); 240 241 dev_info_t *us_dip; 242 static char *us_path = NULL; 243 244 if (us_path) 245 return (us_path); 246 247 us_dip = usbser_first_device(); 248 if (us_dip == NULL) 249 return (NULL); 250 251 us_path = kmem_alloc(MAXPATHLEN, KM_SLEEP); 252 (void) ddi_pathname(us_dip, us_path); 253 ndi_rele_devi(us_dip); /* held from usbser_first_device */ 254 return (us_path); 255 } 256 257 /* 258 * Lacking support for com2 and com3, if that matters. 259 * Another possible enhancement could be to use properties 260 * for the port mapping rather than simply hard-code them. 261 */ 262 char * 263 plat_stdinpath(void) 264 { 265 switch (console_type()) { 266 #if defined(__xpv) 267 case CONS_HYPERVISOR: 268 return ("/xpvd/xencons@0"); 269 #endif /* __xpv */ 270 case CONS_TTYA: 271 return ("/isa/asy@1,3f8:a"); 272 case CONS_TTYB: 273 return ("/isa/asy@1,2f8:b"); 274 case CONS_USBSER: 275 return (plat_usbser_path()); 276 case CONS_SCREEN: 277 default: 278 break; 279 }; 280 return (plat_kbdpath()); 281 } 282 283 char * 284 plat_stdoutpath(void) 285 { 286 switch (console_type()) { 287 #if defined(__xpv) 288 case CONS_HYPERVISOR: 289 return ("/xpvd/xencons@0"); 290 #endif /* __xpv */ 291 case CONS_TTYA: 292 return ("/isa/asy@1,3f8:a"); 293 case CONS_TTYB: 294 return ("/isa/asy@1,2f8:b"); 295 case CONS_USBSER: 296 return (plat_usbser_path()); 297 case CONS_SCREEN: 298 default: 299 break; 300 }; 301 return (plat_fbpath()); 302 } 303 304 /* 305 * If VIS_PIXEL mode will be implemented on x86, these following 306 * functions should be re-considered. Now these functions are 307 * unused on x86. 308 */ 309 void 310 plat_tem_get_inverses(int *inverse, int *inverse_screen) 311 { 312 *inverse = 0; 313 *inverse_screen = 0; 314 } 315 316 void 317 plat_tem_get_prom_font_size(int *charheight, int *windowtop) 318 { 319 *charheight = 0; 320 *windowtop = 0; 321 } 322 323 /*ARGSUSED*/ 324 void 325 plat_tem_get_prom_size(size_t *height, size_t *width) 326 { 327 panic("unimplemented at line %d of %s", __LINE__, __FILE__); 328 } 329 330 void 331 plat_tem_hide_prom_cursor(void) 332 { 333 panic("unimplemented at line %d of %s", __LINE__, __FILE__); 334 } 335 336 /*ARGSUSED*/ 337 void 338 plat_tem_get_prom_pos(uint32_t *row, uint32_t *col) 339 { 340 panic("unimplemented at line %d of %s", __LINE__, __FILE__); 341 } 342