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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2006 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 #include <sys/types.h> 30 #include <sys/systm.h> 31 #include <sys/bootconf.h> 32 #include <sys/thread.h> 33 #include <sys/ddi.h> 34 #include <sys/sunddi.h> 35 #include <vm/seg_kmem.h> 36 37 #define VIDEOMEM 0xa0000 38 39 extern void outb(int, uchar_t); 40 41 static int graphics_mode; 42 static int cursor_y = 309; 43 static int cursor_x = 136; 44 45 #define BAR_STEPS 46 46 47 static uchar_t bar[BAR_STEPS]; 48 static kthread_t *progressbar_tid; 49 static kmutex_t pbar_lock; 50 static kcondvar_t pbar_cv; 51 static char *videomem = (caddr_t)VIDEOMEM; 52 static int videomem_size; 53 54 /* select the plane(s) to draw to */ 55 static void 56 mapmask(int plane) 57 { 58 outb(0x3c4, 2); 59 outb(0x3c5, plane); 60 } 61 62 static void 63 bitmask(int value) 64 { 65 outb(0x3ce, 8); 66 outb(0x3cf, value); 67 } 68 69 static void 70 progressbar_show(void) 71 { 72 int j, k, offset; 73 uchar_t *mem, *ptr; 74 75 offset = cursor_y * 80 + cursor_x / 8; 76 mem = (uchar_t *)videomem + offset; 77 78 bitmask(0xff); 79 mapmask(0xff); /* write to all planes at once? */ 80 for (j = 0; j < 4; j++) { /* bar height: 4 pixels */ 81 ptr = mem + j * 80; 82 for (k = 0; k < BAR_STEPS; k++, ptr++) 83 *ptr = bar[k]; 84 } 85 bitmask(0x00); 86 } 87 88 /* 89 * Initialize a rectangle area for progress bar 90 * 91 * Multiboot has initialized graphics mode to 640x480 92 * with 16 colors. 93 */ 94 void 95 progressbar_init() 96 { 97 int i; 98 char cons[10]; 99 100 /* see if we are in graphics mode */ 101 if (BOP_GETPROPLEN(bootops, "console") != sizeof ("graphics")) 102 return; 103 (void) BOP_GETPROP(bootops, "console", cons); 104 if (strncmp(cons, "graphics", strlen("graphics")) != 0) 105 return; 106 107 graphics_mode = 1; 108 109 for (i = 0; i < BAR_STEPS; i++) { 110 bar[i] = 0x00; 111 } 112 113 progressbar_show(); 114 } 115 116 static void 117 progressbar_step() 118 { 119 static int limit = 0; 120 121 bar[limit] = 0xff; 122 123 if (limit > 3) 124 bar[limit - 4] = 0x00; 125 else 126 bar[limit + BAR_STEPS - 4] = 0x00; 127 128 limit++; 129 if (limit == BAR_STEPS) 130 limit = 0; 131 132 progressbar_show(); 133 } 134 135 /*ARGSUSED*/ 136 static void 137 progressbar_thread(void *arg) 138 { 139 clock_t end; 140 141 mutex_enter(&pbar_lock); 142 while (graphics_mode) { 143 progressbar_step(); 144 end = ddi_get_lbolt() + drv_usectohz(150000); 145 (void) cv_timedwait(&pbar_cv, &pbar_lock, end); 146 } 147 mutex_exit(&pbar_lock); 148 } 149 150 void 151 progressbar_start(void) 152 { 153 extern pri_t minclsyspri; 154 155 if (graphics_mode == 0) 156 return; 157 158 /* map video memory to kernel heap */ 159 videomem_size = ptob(btopr(38400)); /* 640 x 480 / 8 bytes */ 160 videomem = vmem_alloc(heap_arena, videomem_size, VM_SLEEP); 161 if (videomem == NULL) { 162 cmn_err(CE_NOTE, "!failed to start progress bar"); 163 graphics_mode = 0; 164 return; 165 } 166 hat_devload(kas.a_hat, videomem, videomem_size, 167 btop(VIDEOMEM), (PROT_READ | PROT_WRITE), 168 HAT_LOAD_NOCONSIST | HAT_LOAD_LOCK); 169 170 progressbar_tid = thread_create(NULL, 0, progressbar_thread, 171 NULL, 0, &p0, TS_RUN, minclsyspri); 172 } 173 174 void 175 progressbar_stop(void) 176 { 177 if (graphics_mode == 0) 178 return; 179 180 graphics_mode = 0; 181 mutex_enter(&pbar_lock); 182 cv_signal(&pbar_cv); 183 mutex_exit(&pbar_lock); 184 if (progressbar_tid != NULL) 185 thread_join(progressbar_tid->t_did); 186 187 /* unmap video memory */ 188 hat_unload(kas.a_hat, videomem, videomem_size, HAT_UNLOAD_UNLOCK); 189 vmem_free(heap_arena, videomem, videomem_size); 190 } 191