WebSVN – HelenOS – Diff – /branches/dynload/uspace/srv/fb/ega.c



#include <ipc/ns.h>
#include <ipc/services.h>
#include <libarch/ddi.h>
#include <console/style.h>
#include <console/color.h>
#include <sys/types.h>
 
#include "ega.h"
#include "../console/screenbuffer.h"
#include "main.h"
 

    short *data;
} saved_screen;
 
saved_screen saved_screens[MAX_SAVED_SCREENS];
 
#define EGA_IO_BASE ((ioport8_t *) 0x3d4)
#define EGA_IO_SIZE 2
 
int ega_normal_color = 0x0f;
int ega_inverted_color = 0xf0;
 

{
    int ega_cursor;
 
    ega_cursor = col + scr_width * row;
   
    pio_write_8(EGA_IO_BASE, 0xe);
    pio_write_8(EGA_IO_BASE + 1, (ega_cursor >> 8) & 0xff);
    pio_write_8(EGA_IO_BASE, 0xf);
    pio_write_8(EGA_IO_BASE + 1, ega_cursor & 0xff);
}
 
static void cursor_disable(void)
{
    uint8_t stat;
 
    pio_write_8(EGA_IO_BASE, 0xa);
    stat = pio_read_8(EGA_IO_BASE + 1);
    pio_write_8(EGA_IO_BASE, 0xa);
    pio_write_8(EGA_IO_BASE + 1, stat | (1 << 5));
}
 
static void cursor_enable(void)
{
    uint8_t stat;
 
    pio_write_8(EGA_IO_BASE, 0xa);
    stat = pio_read_8(EGA_IO_BASE + 1);
    pio_write_8(EGA_IO_BASE, 0xa);
    pio_write_8(EGA_IO_BASE + 1, stat & (~(1 << 5)));
}
 
static void scroll(int rows)
{
    int i;

            }
            scroll(i);
            retval = 0;
            break;
        case FB_CURSOR_VISIBILITY:
            if (IPC_GET_ARG1(call))
                cursor_enable();
            else
                cursor_disable();
            retval = 0;
            break;

        ega_inverted_color &= 0x77;
    }
 
    style = NORMAL_COLOR;
 
    iospace_enable(task_get_id(), (void *) EGA_IO_BASE, 2);
 
    sz = scr_width * scr_height * 2;
    scr_addr = as_get_mappable_page(sz);
 
    if (physmem_map(ega_ph_addr, scr_addr, ALIGN_UP(sz, PAGE_SIZE) >>

 
    return 0;
}
 
 
/**
 * @}
 */

Rev 4343	Rev 4345
Line 49...	Line 49...
49	#include <ipc/ns.h>	49	#include <ipc/ns.h>
50	#include <ipc/services.h>	50	#include <ipc/services.h>
51	#include <libarch/ddi.h>	51	#include <libarch/ddi.h>
52	#include <console/style.h>	52	#include <console/style.h>
53	#include <console/color.h>	53	#include <console/color.h>
-		54	#include <sys/types.h>
54		55
55	#include "ega.h"	56	#include "ega.h"
56	#include "../console/screenbuffer.h"	57	#include "../console/screenbuffer.h"
57	#include "main.h"	58	#include "main.h"
58		59
Line 61...	Line 62...
61	short *data;	62	short *data;
62	} saved_screen;	63	} saved_screen;
63		64
64	saved_screen saved_screens[MAX_SAVED_SCREENS];	65	saved_screen saved_screens[MAX_SAVED_SCREENS];
65		66
66	#define EGA_IO_ADDRESS 0x3d4	67	#define EGA_IO_BASE ((ioport8_t *) 0x3d4)
67	#define EGA_IO_SIZE 2	68	#define EGA_IO_SIZE 2
68		69
69	int ega_normal_color = 0x0f;	70	int ega_normal_color = 0x0f;
70	int ega_inverted_color = 0xf0;	71	int ega_inverted_color = 0xf0;
71		72
Line 97...	Line 98...
97	{	98	{
98	int ega_cursor;	99	int ega_cursor;
99		100
100	ega_cursor = col + scr_width * row;	101	ega_cursor = col + scr_width * row;
101		102
102	outb(EGA_IO_ADDRESS, 0xe);	103	pio_write_8(EGA_IO_BASE, 0xe);
103	outb(EGA_IO_ADDRESS + 1, (ega_cursor >> 8) & 0xff);	104	pio_write_8(EGA_IO_BASE + 1, (ega_cursor >> 8) & 0xff);
104	outb(EGA_IO_ADDRESS, 0xf);	105	pio_write_8(EGA_IO_BASE, 0xf);
105	outb(EGA_IO_ADDRESS + 1, ega_cursor & 0xff);	106	pio_write_8(EGA_IO_BASE + 1, ega_cursor & 0xff);
106	}	107	}
107		108
108	static void cursor_disable(void)	109	static void cursor_disable(void)
109	{	110	{
110	uint8_t stat;	111	uint8_t stat;
111		112
112	outb(EGA_IO_ADDRESS, 0xa);	113	pio_write_8(EGA_IO_BASE, 0xa);
113	stat=inb(EGA_IO_ADDRESS + 1);	114	stat = pio_read_8(EGA_IO_BASE + 1);
114	outb(EGA_IO_ADDRESS, 0xa);	115	pio_write_8(EGA_IO_BASE, 0xa);
115	outb(EGA_IO_ADDRESS + 1, stat \| (1 << 5));	116	pio_write_8(EGA_IO_BASE + 1, stat \| (1 << 5));
116	}	117	}
117		118
118	static void cursor_enable(void)	119	static void cursor_enable(void)
119	{	120	{
120	uint8_t stat;	121	uint8_t stat;
121		122
122	outb(EGA_IO_ADDRESS, 0xa);	123	pio_write_8(EGA_IO_BASE, 0xa);
123	stat=inb(EGA_IO_ADDRESS + 1);	124	stat = pio_read_8(EGA_IO_BASE + 1);
124	outb(EGA_IO_ADDRESS, 0xa);	125	pio_write_8(EGA_IO_BASE, 0xa);
125	outb(EGA_IO_ADDRESS + 1, stat & (~(1 << 5)));	126	pio_write_8(EGA_IO_BASE + 1, stat & (~(1 << 5)));
126	}	127	}
127		128
128	static void scroll(int rows)	129	static void scroll(int rows)
129	{	130	{
130	int i;	131	int i;
Line 312...	Line 313...
312	}	313	}
313	scroll(i);	314	scroll(i);
314	retval = 0;	315	retval = 0;
315	break;	316	break;
316	case FB_CURSOR_VISIBILITY:	317	case FB_CURSOR_VISIBILITY:
317	if(IPC_GET_ARG1(call))	318	if (IPC_GET_ARG1(call))
318	cursor_enable();	319	cursor_enable();
319	else	320	else
320	cursor_disable();	321	cursor_disable();
321	retval = 0;	322	retval = 0;
322	break;	323	break;
Line 378...	Line 379...
378	ega_inverted_color &= 0x77;	379	ega_inverted_color &= 0x77;
379	}	380	}
380		381
381	style = NORMAL_COLOR;	382	style = NORMAL_COLOR;
382		383
383	iospace_enable(task_get_id(), (void *) EGA_IO_ADDRESS, 2);	384	iospace_enable(task_get_id(), (void *) EGA_IO_BASE, 2);
384		385
385	sz = scr_width * scr_height * 2;	386	sz = scr_width * scr_height * 2;
386	scr_addr = as_get_mappable_page(sz);	387	scr_addr = as_get_mappable_page(sz);
387		388
388	if (physmem_map(ega_ph_addr, scr_addr, ALIGN_UP(sz, PAGE_SIZE) >>	389	if (physmem_map(ega_ph_addr, scr_addr, ALIGN_UP(sz, PAGE_SIZE) >>
Line 393...	Line 394...
393		394
394	return 0;	395	return 0;
395	}	396	}
396		397
397		398
398	/**	399	/**
399	* @}	400	* @}
400	*/	401	*/

Subversion Repositories HelenOS

(root)/branches/dynload/uspace/srv/fb/ega.c – Rev 4343 → 4345