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 2007 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 "vgatext", 56 "i915", 57 "atiatom", 58 "nvidia", 59 }; 60 61 int 62 plat_use_polled_debug() { 63 return (0); 64 } 65 66 int 67 plat_support_serial_kbd_and_ms() { 68 return (0); 69 } 70 71 #define A_CNT(arr) (sizeof (arr) / sizeof (arr[0])) 72 73 #define CONS_INVALID -1 74 #define CONS_SCREEN 0 75 #define CONS_TTYA 1 76 #define CONS_TTYB 2 77 #define CONS_USBSER 3 78 #define CONS_HYPERVISOR 4 79 80 static int 81 console_type() 82 { 83 static int boot_console = CONS_INVALID; 84 85 char *cons; 86 dev_info_t *root; 87 88 if (boot_console != CONS_INVALID) 89 return (boot_console); 90 91 #if defined(__xpv) 92 if (!DOMAIN_IS_INITDOMAIN(xen_info) || bcons_hypervisor_redirect()) { 93 boot_console = CONS_HYPERVISOR; 94 return (boot_console); 95 } 96 #endif /* __xpv */ 97 98 /* 99 * console is defined by "console" property, with 100 * fallback on the old "input-device" property. 101 */ 102 boot_console = CONS_SCREEN; /* default is screen/kb */ 103 root = ddi_root_node(); 104 if ((ddi_prop_lookup_string(DDI_DEV_T_ANY, root, 105 DDI_PROP_DONTPASS, "console", &cons) == DDI_SUCCESS) || 106 (ddi_prop_lookup_string(DDI_DEV_T_ANY, root, 107 DDI_PROP_DONTPASS, "input-device", &cons) == DDI_SUCCESS)) { 108 if (strcmp(cons, "ttya") == 0) { 109 boot_console = CONS_TTYA; 110 } else if (strcmp(cons, "ttyb") == 0) { 111 boot_console = CONS_TTYB; 112 } else if (strcmp(cons, "usb-serial") == 0) { 113 (void) i_ddi_attach_hw_nodes("ehci"); 114 (void) i_ddi_attach_hw_nodes("uhci"); 115 (void) i_ddi_attach_hw_nodes("ohci"); 116 /* 117 * USB device enumerate asynchronously. 118 * Wait 2 seconds for USB serial devices to attach. 119 */ 120 delay(drv_usectohz(2000000)); 121 boot_console = CONS_USBSER; 122 #if defined(__xpv) 123 } else if (strcmp(cons, "hypervisor") == 0) { 124 boot_console = CONS_HYPERVISOR; 125 #endif /* __xpv */ 126 } 127 ddi_prop_free(cons); 128 } 129 return (boot_console); 130 } 131 132 int 133 plat_stdin_is_keyboard(void) 134 { 135 return (console_type() == CONS_SCREEN); 136 } 137 138 int 139 plat_stdout_is_framebuffer(void) 140 { 141 return (console_type() == CONS_SCREEN); 142 } 143 144 /* 145 * Return generic path to keyboard device from the alias. 146 */ 147 char * 148 plat_kbdpath(void) 149 { 150 /* 151 * Hardcode to isa keyboard path 152 * XXX make it settable via bootprop? 153 */ 154 return ("/isa/i8042@1,60/keyboard@0"); 155 } 156 157 /* 158 * Return generic path to display device from the alias. 159 */ 160 char * 161 plat_fbpath(void) 162 { 163 static char *fbpath = NULL; 164 static char fbpath_buf[MAXPATHLEN]; 165 major_t major; 166 dev_info_t *dip, *dip_pseudo = NULL; 167 int i; 168 169 /* lookup the dip for the pseudo device */ 170 (void) resolve_pathname("/pseudo", &dip_pseudo, NULL, NULL); 171 172 for (i = 0; i < A_CNT(gfxdrv_name); i++) { 173 /* 174 * look for first instance of each driver 175 */ 176 if ((major = ddi_name_to_major(gfxdrv_name[i])) == (major_t)-1) 177 continue; 178 179 if ((dip = devnamesp[major].dn_head) == NULL) 180 continue; 181 182 /* 183 * We're looking for a real hardware device here so skip 184 * any pseudo devices. When could a framebuffer hardware 185 * driver also have a pseudo node? Well, some framebuffer 186 * hardware drivers (nvidia) also create pseudo nodes for 187 * administration purposes, and these nodes will exist 188 * regardless of if the actual associated hardware 189 * is present or not. 190 */ 191 if (ddi_get_parent(dip) == dip_pseudo) 192 continue; 193 194 if (i_ddi_attach_node_hierarchy(dip) == DDI_SUCCESS) { 195 (void) ddi_pathname(dip, fbpath_buf); 196 fbpath = fbpath_buf; 197 } 198 199 if (fbpath) 200 break; 201 } 202 203 if (dip_pseudo != NULL) 204 ddi_release_devi(dip_pseudo); 205 206 /* No screen found */ 207 return (fbpath); 208 } 209 210 char * 211 plat_mousepath(void) 212 { 213 /* 214 * Hardcode to isa mouse path 215 * XXX make it settable via bootprop? 216 */ 217 return ("/isa/i8042@1,60/mouse@1"); 218 } 219 220 /* return path of first usb serial device */ 221 static char * 222 plat_usbser_path(void) 223 { 224 extern dev_info_t *usbser_first_device(void); 225 226 dev_info_t *us_dip; 227 static char *us_path = NULL; 228 229 if (us_path) 230 return (us_path); 231 232 us_dip = usbser_first_device(); 233 if (us_dip == NULL) 234 return (NULL); 235 236 us_path = kmem_alloc(MAXPATHLEN, KM_SLEEP); 237 (void) ddi_pathname(us_dip, us_path); 238 ndi_rele_devi(us_dip); /* held from usbser_first_device */ 239 return (us_path); 240 } 241 242 /* 243 * Lacking support for com2 and com3, if that matters. 244 * Another possible enhancement could be to use properties 245 * for the port mapping rather than simply hard-code them. 246 */ 247 char * 248 plat_stdinpath(void) 249 { 250 switch (console_type()) { 251 #if defined(__xpv) 252 case CONS_HYPERVISOR: 253 return ("/xpvd/xencons@0"); 254 #endif /* __xpv */ 255 case CONS_TTYA: 256 return ("/isa/asy@1,3f8:a"); 257 case CONS_TTYB: 258 return ("/isa/asy@1,2f8:b"); 259 case CONS_USBSER: 260 return (plat_usbser_path()); 261 case CONS_SCREEN: 262 default: 263 break; 264 }; 265 return (plat_kbdpath()); 266 } 267 268 char * 269 plat_stdoutpath(void) 270 { 271 switch (console_type()) { 272 #if defined(__xpv) 273 case CONS_HYPERVISOR: 274 return ("/xpvd/xencons@0"); 275 #endif /* __xpv */ 276 case CONS_TTYA: 277 return ("/isa/asy@1,3f8:a"); 278 case CONS_TTYB: 279 return ("/isa/asy@1,2f8:b"); 280 case CONS_USBSER: 281 return (plat_usbser_path()); 282 case CONS_SCREEN: 283 default: 284 break; 285 }; 286 return (plat_fbpath()); 287 } 288 289 /* 290 * If VIS_PIXEL mode will be implemented on x86, these following 291 * functions should be re-considered. Now these functions are 292 * unused on x86. 293 */ 294 void 295 plat_tem_get_inverses(int *inverse, int *inverse_screen) 296 { 297 *inverse = 0; 298 *inverse_screen = 0; 299 } 300 301 void 302 plat_tem_get_prom_font_size(int *charheight, int *windowtop) 303 { 304 *charheight = 0; 305 *windowtop = 0; 306 } 307 308 /*ARGSUSED*/ 309 void 310 plat_tem_get_prom_size(size_t *height, size_t *width) 311 { 312 panic("unimplemented at line %d of %s", __LINE__, __FILE__); 313 } 314 315 void 316 plat_tem_hide_prom_cursor(void) 317 { 318 panic("unimplemented at line %d of %s", __LINE__, __FILE__); 319 } 320 321 /*ARGSUSED*/ 322 void 323 plat_tem_get_prom_pos(uint32_t *row, uint32_t *col) 324 { 325 panic("unimplemented at line %d of %s", __LINE__, __FILE__); 326 } 327