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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/bootconf.h>
#include <sys/thread.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>
#include <vm/seg_kmem.h>
#include <sys/file.h>
#include <sys/kd.h>
#include <sys/sunldi.h>
#define VIDEOMEM 0xa0000
extern void outb(int, uchar_t);
static int graphics_mode;
static int cursor_y = 309;
static int cursor_x = 136;
#define BAR_STEPS 46
static uchar_t bar[BAR_STEPS];
static kthread_t *progressbar_tid;
static kmutex_t pbar_lock;
static kcondvar_t pbar_cv;
static char *videomem = (caddr_t)VIDEOMEM;
static int videomem_size;
/* select the plane(s) to draw to */
static void
mapmask(int plane)
{
outb(0x3c4, 2);
outb(0x3c5, plane);
}
static void
bitmask(int value)
{
outb(0x3ce, 8);
outb(0x3cf, value);
}
static void
progressbar_show(void)
{
int j, k, offset;
uchar_t *mem, *ptr;
offset = cursor_y * 80 + cursor_x / 8;
mem = (uchar_t *)videomem + offset;
bitmask(0xff);
mapmask(0xff); /* write to all planes at once? */
for (j = 0; j < 4; j++) { /* bar height: 4 pixels */
ptr = mem + j * 80;
for (k = 0; k < BAR_STEPS; k++, ptr++)
*ptr = bar[k];
}
bitmask(0x00);
}
/*
* Initialize a rectangle area for progress bar
*
* Multiboot has initialized graphics mode to 640x480
* with 16 colors.
*/
void
progressbar_init()
{
int i;
char cons[10];
/* see if we are in graphics mode */
if (BOP_GETPROPLEN(bootops, "console") != sizeof ("graphics"))
return;
(void) BOP_GETPROP(bootops, "console", cons);
if (strncmp(cons, "graphics", strlen("graphics")) != 0)
return;
graphics_mode = 1;
for (i = 0; i < BAR_STEPS; i++) {
bar[i] = 0x00;
}
progressbar_show();
}
static void
progressbar_step()
{
static int limit = 0;
bar[limit] = 0xff;
if (limit > 3)
bar[limit - 4] = 0x00;
else
bar[limit + BAR_STEPS - 4] = 0x00;
limit++;
if (limit == BAR_STEPS)
limit = 0;
progressbar_show();
}
/*ARGSUSED*/
static void
progressbar_thread(void *arg)
{
clock_t end = drv_usectohz(150000);
mutex_enter(&pbar_lock);
while (graphics_mode) {
progressbar_step();
(void) cv_reltimedwait(&pbar_cv, &pbar_lock, end,
TR_CLOCK_TICK);
}
mutex_exit(&pbar_lock);
}
void
progressbar_start(void)
{
#if !defined(__xpv)
extern pri_t minclsyspri;
if (graphics_mode == 0)
return;
/* map video memory to kernel heap */
videomem_size = ptob(btopr(38400)); /* 640 x 480 / 8 bytes */
videomem = vmem_alloc(heap_arena, videomem_size, VM_SLEEP);
if (videomem == NULL) {
cmn_err(CE_NOTE, "!failed to start progress bar");
graphics_mode = 0;
return;
}
hat_devload(kas.a_hat, videomem, videomem_size,
btop(VIDEOMEM), (PROT_READ | PROT_WRITE),
HAT_LOAD_NOCONSIST | HAT_LOAD_LOCK);
progressbar_tid = thread_create(NULL, 0, progressbar_thread,
NULL, 0, &p0, TS_RUN, minclsyspri);
#endif
}
void
progressbar_stop(void)
{
#if !defined(__xpv)
if (graphics_mode == 0)
return;
graphics_mode = 0;
mutex_enter(&pbar_lock);
cv_signal(&pbar_cv);
mutex_exit(&pbar_lock);
if (progressbar_tid != NULL)
thread_join(progressbar_tid->t_did);
/* unmap video memory */
hat_unload(kas.a_hat, videomem, videomem_size, HAT_UNLOAD_UNLOCK);
vmem_free(heap_arena, videomem, videomem_size);
#endif
}
/*ARGSUSED*/
void
progressbar_key_abort(ldi_ident_t li)
{
#if !defined(__xpv)
char *fbpath;
int ret;
ldi_handle_t hdl;
extern char *consconfig_get_plat_fbpath(void);
if (graphics_mode == 0)
return;
fbpath = consconfig_get_plat_fbpath();
if (ldi_open_by_name(fbpath, FWRITE, kcred, &hdl, li) != 0) {
cmn_err(CE_NOTE, "!ldi_open_by_name failed");
} else {
if (ldi_ioctl(hdl, KDSETMODE, KD_RESETTEXT, FKIOCTL,
kcred, &ret)
!= 0)
cmn_err(CE_NOTE,
"!ldi_ioctl for KD_RESETTEXT failed");
(void) ldi_close(hdl, NULL, kcred);
}
#endif
}
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