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Diffstat (limited to 'i386/i386at/blit.c')
-rw-r--r--i386/i386at/blit.c116
1 files changed, 58 insertions, 58 deletions
diff --git a/i386/i386at/blit.c b/i386/i386at/blit.c
index e97b0ee..32cc0a2 100644
--- a/i386/i386at/blit.c
+++ b/i386/i386at/blit.c
@@ -1,29 +1,29 @@
-/*
+/*
* Mach Operating System
* Copyright (c) 1991,1990,1989 Carnegie Mellon University
* All Rights Reserved.
- *
+ *
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
- *
+ *
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
+ *
* Carnegie Mellon requests users of this software to return to
- *
+ *
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
- *
+ *
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
-
+
/* **********************************************************************
File: blit.c
Description: Device Driver for Bell Tech Blit card
@@ -81,14 +81,14 @@ WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#ifdef MACH_KERNEL
#include <sys/types.h>
#include <device/errno.h>
-#else MACH_KERNEL
+#else /* MACH_KERNEL */
#include <sys/types.h>
#include <sys/errno.h>
#include <sys/param.h>
#include <sys/dir.h>
#include <sys/signal.h>
#include <sys/user.h>
-#endif MACH_KERNEL
+#endif /* MACH_KERNEL */
#include <vm/vm_kern.h>
#include <mach/vm_param.h>
#include <machine/machspl.h>
@@ -115,7 +115,7 @@ WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define MAXBLITS 1
-#if NBLIT > MAXBLITS
+#if NBLIT > MAXBLITS
/* oh, no, you don't want to do this...; */
#else
@@ -166,14 +166,14 @@ struct mb_driver blitdriver = {
/*
* Per-card bookkeeping information for driver.
- *
- * "scrstrip" and "dpctlregs" point to data areas that are passed to
- * the Display Processor. They are allocated out of the spare
- * graphics memory. "scrstrip" is used to describe an entire screen.
- * "dpctlregs" contains assorted parameters for the display
- * controller.
- *
- * "firstfree" is an offset into the graphics memory. Memory starting
+ *
+ * "scrstrip" and "dpctlregs" point to data areas that are passed to
+ * the Display Processor. They are allocated out of the spare
+ * graphics memory. "scrstrip" is used to describe an entire screen.
+ * "dpctlregs" contains assorted parameters for the display
+ * controller.
+ *
+ * "firstfree" is an offset into the graphics memory. Memory starting
* there can be allocated by users.
*/
@@ -187,7 +187,7 @@ struct blitsoft {
} blitsoft[NBLIT];
-/*
+/*
* The following array contains the initial settings for
* the Display Processor Control Block Registers.
* The video timing signals in this array are for the
@@ -221,9 +221,9 @@ DPCONTROLBLK blit_mparm = {
DP_CURSOR_CROSSHAIR, /* cursor style & mode */
0x00A0, 0x0050, /* cursor x & y loc. */
/* cursor pattern */
- 0xfffe, 0xfffc, 0xc018, 0xc030, 0xc060, 0xc0c0, 0xc0c0, 0xc060,
- 0xc430, 0xce18, 0xdb0c, 0xf186, 0xe0c3, 0xc066, 0x803c, 0x0018
-};
+ 0xfffe, 0xfffc, 0xc018, 0xc030, 0xc060, 0xc0c0, 0xc0c0, 0xc060,
+ 0xc430, 0xce18, 0xdb0c, 0xf186, 0xe0c3, 0xc066, 0x803c, 0x0018
+};
void blitreboot();
@@ -234,7 +234,7 @@ void blitreboot();
***********/
-/*
+/*
* Probe - is the board there?
*
* in: reg = start of mapped Blit memory.
@@ -242,7 +242,7 @@ void blitreboot();
* out: returns size of mapped Blit memory if the board is present,
* 0 otherwise.
*
- * effects: if the board is present, it is reset and left visible in
+ * effects: if the board is present, it is reset and left visible in
* Unix mode.
*/
@@ -277,7 +277,7 @@ blitinit()
}
-/*
+/*
* Allocate needed objects from Blit's memory.
*/
blit_memory_init(bs)
@@ -311,14 +311,14 @@ blit_memory_init(bs)
}
-/*
+/*
* Reset the Blit board and leave it visible.
*/
blit_reset_board()
{
union blit_config_reg config;
-
+
config.byte = inb(BLIT_CONFIG_ADDR);
config.reg.reset = 1;
outb(BLIT_CONFIG_ADDR, config.byte);
@@ -331,7 +331,7 @@ blit_reset_board()
#if AUTOINIT
-/*
+/*
* Attach - finish initialization by setting up the 786.
*/
@@ -357,7 +357,7 @@ init_biu(blt)
/* WRITEREG16(blt, DRAM_REFRESH, 0x003f); */
WRITEREG16(blt, DRAM_REFRESH, 0x0018); /* refresh rate */
- WRITEREG16(blt, DRAM_CONTROL,
+ WRITEREG16(blt, DRAM_CONTROL,
MEMROWS1 | FASTPG_INTERLV | HEIGHT_256K);
WRITEREG16(blt, DP_PRIORITY, (7 << 3) | 7); /* max pri */
WRITEREG16(blt, GP_PRIORITY, (1 << 3) | 1); /* almost min pri */
@@ -371,7 +371,7 @@ init_biu(blt)
}
-/*
+/*
* Initialize the Display Processor.
* XXX - assumes only 1 card is installed, assumes monochrome display.
*/
@@ -383,9 +383,9 @@ init_dp(bs)
struct blitmem *bm = (struct blitmem *)blt->graphmem;
/*
- * Set up strip header and tile descriptor for the whole
- * screen. It's not clear why the C bit should be turned on,
- * but it seems to get rid of the nasty flickering you can get
+ * Set up strip header and tile descriptor for the whole
+ * screen. It's not clear why the C bit should be turned on,
+ * but it seems to get rid of the nasty flickering you can get
* by positioning an xterm window along the top of the screen.
*/
bs->scrstrip->strip.lines = BLIT_MONOHEIGHT - 1;
@@ -398,7 +398,7 @@ init_dp(bs)
BLIT_MONOWIDTH, /* width of bitmap */
VM_TO_ADDR786(bm->fb.mono_fb, blt), /* the actual bitmap */
1); /* bits per pixel */
-
+
/* Copy into DP register block. */
*(bs->dpctlregs) = blit_mparm;
bs->dpctlregs->descl = DP_ADDRLOW(VM_TO_ADDR786(bs->scrstrip, blt));
@@ -448,7 +448,7 @@ tiledesc(tile, x, y, w, ww, adx, bpp)
/*
- * Cause the Display Processor to load its Control Registers from
+ * Cause the Display Processor to load its Control Registers from
* "vm_addr".
*/
@@ -463,7 +463,7 @@ DPCONTROLBLK *vm_addr;
/* set up dp address */
WRITEREG16(blt, DP_PARM1_REG, DP_ADDRLOW(blit_addr));
WRITEREG16(blt, DP_PARM2_REG, DP_ADDRHIGH(blit_addr));
-
+
/* set blanking video */
WRITEREG16(blt, DEF_VIDEO_REG, 0);
@@ -556,9 +556,9 @@ int length; /* num bytes to map */
vm_offset_t vmaddr;
#ifdef MACH_KERNEL
vm_offset_t io_map();
-#else MACH_KERNEL
+#else /* MACH_KERNEL */
vm_offset_t pmap_map_bd();
-#endif MACH_KERNEL
+#endif /* MACH_KERNEL */
if (physaddr != (caddr_t)trunc_page(physaddr))
panic("Blit card not on page boundary");
@@ -566,11 +566,11 @@ int length; /* num bytes to map */
#ifdef MACH_KERNEL
vmaddr = io_map((vm_offset_t)physaddr, length);
if (vmaddr == 0)
-#else MACH_KERNEL
+#else /* MACH_KERNEL */
if (kmem_alloc_pageable(kernel_map,
&vmaddr, round_page(BLIT_MAPPED_SIZE))
!= KERN_SUCCESS)
-#endif MACH_KERNEL
+#endif /* MACH_KERNEL */
panic("can't alloc VM for Blit card");
(void)pmap_map_bd(vmaddr, (vm_offset_t)physaddr,
@@ -595,8 +595,8 @@ int length;
/*
* blit_init: initialize globals & hardware, and set cursor. Could be
* called twice, once as part of kd initialization and once as part of
- * blit initialization. Should not be called before blit_present() is
- * called.
+ * blit initialization. Should not be called before blit_present() is
+ * called.
*/
void
@@ -644,7 +644,7 @@ blit_init()
/*
* Use generic bitmap routines, no 786 assist (see
- * blit_memory_init).
+ * blit_memory_init).
*/
kd_dput = bmpput;
kd_dmvup = bmpmvup;
@@ -723,7 +723,7 @@ getfontinfo(blt)
char_white = BLIT_WHITE_BYTE;
font_start = rom + fontoffset;
-
+
/*
* Check byte-alignment assumption.
* XXX - does it do any good to panic when initializing the
@@ -755,8 +755,8 @@ pick_cursor_height()
int scl_avail; /* scan lines available for console */
int scl_per_line; /* scan lines per console line */
- /*
- * scan lines avail. = total lines - top margin;
+ /*
+ * scan lines avail. = total lines - top margin;
* no bottom margin (XXX).
*/
scl_avail = BLIT_MONOHEIGHT - ystart;
@@ -769,9 +769,9 @@ pick_cursor_height()
}
-/*
- * setstatus: Give a status indication to the user. Ideally, we'd
- * just set the 3 user-controlled LED's. Unfortunately, that doesn't
+/*
+ * setstatus: Give a status indication to the user. Ideally, we'd
+ * just set the 3 user-controlled LED's. Unfortunately, that doesn't
* seem to work. So, we ring the bell.
*/
@@ -780,7 +780,7 @@ setstatus(val)
int val;
{
union blit_diag_reg diag;
-
+
diag.byte = inb(BLIT_DIAG_ADDR);
diag.reg.led0 = (val & 1) ? BLIT_LED_ON : BLIT_LED_OFF;
diag.reg.led1 = (val & 2) ? BLIT_LED_ON : BLIT_LED_OFF;
@@ -807,8 +807,8 @@ setstatus(val)
***********/
-/*
- * Open - Verify that minor device is OK and not in use, then clear
+/*
+ * Open - Verify that minor device is OK and not in use, then clear
* the screen.
*/
@@ -850,7 +850,7 @@ blitclose(dev, flag)
}
-/*
+/*
* Mmap.
*/
@@ -869,7 +869,7 @@ blitmmap(dev, off, prot)
}
-/*
+/*
* Ioctl.
*/
@@ -894,7 +894,7 @@ io_return_t blit_get_stat(dev, flavor, data, count)
}
return (D_SUCCESS);
}
-#else MACH_KERNEL
+#else /* MACH_KERNEL */
/*ARGSUSED*/
int
blitioctl(dev, cmd, data, flag)
@@ -916,7 +916,7 @@ blitioctl(dev, cmd, data, flag)
return(err);
}
-#endif MACH_KERNEL
+#endif /* MACH_KERNEL */
/*
* clear_blit: clear blit's screen.
@@ -929,7 +929,7 @@ clear_blit(blt)
(*kd_dclear)(0, kd_lines*kd_cols, KA_NORMAL);
}
-/*
+/*
* Put the board into DOS mode in preparation for rebooting.
*/
@@ -937,7 +937,7 @@ void
blitreboot()
{
union blit_config_reg config;
-
+
config.byte = inb(BLIT_CONFIG_ADDR);
config.reg.mode = BLIT_DOS_MODE;
config.reg.invisible = BLIT_VISIBLE;
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-30 15:11:01 +0000