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 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 #include <sys/types.h>
27 #include <sys/systm.h>
28 #include <sys/bootconf.h>
29 #include <sys/thread.h>
30 #include <sys/ddi.h>
31 #include <sys/sunddi.h>
32 #include <vm/seg_kmem.h>
33 #include <sys/file.h>
34 #include <sys/kd.h>
35 #include <sys/sunldi.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
mapmask(int plane)56 mapmask(int plane)
57 {
58 outb(0x3c4, 2);
59 outb(0x3c5, plane);
60 }
61
62 static void
bitmask(int value)63 bitmask(int value)
64 {
65 outb(0x3ce, 8);
66 outb(0x3cf, value);
67 }
68
69 static void
progressbar_show(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
progressbar_init()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
progressbar_step()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
progressbar_thread(void * arg)137 progressbar_thread(void *arg)
138 {
139 clock_t end = drv_usectohz(150000);
140
141 mutex_enter(&pbar_lock);
142 while (graphics_mode) {
143 progressbar_step();
144 (void) cv_reltimedwait(&pbar_cv, &pbar_lock, end,
145 TR_CLOCK_TICK);
146 }
147 mutex_exit(&pbar_lock);
148 }
149
150 void
progressbar_start(void)151 progressbar_start(void)
152 {
153 #if !defined(__xpv)
154 extern pri_t minclsyspri;
155
156 if (graphics_mode == 0)
157 return;
158
159 /* map video memory to kernel heap */
160 videomem_size = ptob(btopr(38400)); /* 640 x 480 / 8 bytes */
161 videomem = vmem_alloc(heap_arena, videomem_size, VM_SLEEP);
162 if (videomem == NULL) {
163 cmn_err(CE_NOTE, "!failed to start progress bar");
164 graphics_mode = 0;
165 return;
166 }
167 hat_devload(kas.a_hat, videomem, videomem_size,
168 btop(VIDEOMEM), (PROT_READ | PROT_WRITE),
169 HAT_LOAD_NOCONSIST | HAT_LOAD_LOCK);
170
171 progressbar_tid = thread_create(NULL, 0, progressbar_thread,
172 NULL, 0, &p0, TS_RUN, minclsyspri);
173 #endif
174 }
175
176 void
progressbar_stop(void)177 progressbar_stop(void)
178 {
179 #if !defined(__xpv)
180 if (graphics_mode == 0)
181 return;
182
183 graphics_mode = 0;
184 mutex_enter(&pbar_lock);
185 cv_signal(&pbar_cv);
186 mutex_exit(&pbar_lock);
187 if (progressbar_tid != NULL)
188 thread_join(progressbar_tid->t_did);
189
190 /* unmap video memory */
191 hat_unload(kas.a_hat, videomem, videomem_size, HAT_UNLOAD_UNLOCK);
192 vmem_free(heap_arena, videomem, videomem_size);
193 #endif
194 }
195
196 /*ARGSUSED*/
197 void
progressbar_key_abort(ldi_ident_t li)198 progressbar_key_abort(ldi_ident_t li)
199 {
200 #if !defined(__xpv)
201 char *fbpath;
202 int ret;
203 ldi_handle_t hdl;
204
205 extern char *consconfig_get_plat_fbpath(void);
206
207 if (graphics_mode == 0)
208 return;
209
210 fbpath = consconfig_get_plat_fbpath();
211
212 if (ldi_open_by_name(fbpath, FWRITE, kcred, &hdl, li) != 0) {
213 cmn_err(CE_NOTE, "!ldi_open_by_name failed");
214 } else {
215 if (ldi_ioctl(hdl, KDSETMODE, KD_RESETTEXT, FKIOCTL,
216 kcred, &ret)
217 != 0)
218 cmn_err(CE_NOTE,
219 "!ldi_ioctl for KD_RESETTEXT failed");
220 (void) ldi_close(hdl, NULL, kcred);
221 }
222 #endif
223 }
224