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[/] [or1k/] [trunk/] [uclinux/] [uClinux-2.0.x/] [arch/] [armnommu/] [drivers/] [char/] [console-trio.c] - Blame information for rev 1775

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/*
 * linux/arch/arm/drivers/char/console-dummy.c
 *
 * Modifications (C) 1996 Russell King
 */
 
/*
 * This module exports the console io functions:
 *
 *  'int           vcd_init (struct vt *vt, int kmallocok, unsigned long *kmem)'
 *  'unsigned long vcd_pre_init (unsigned long kmem, struct vt *vt)'
 *  'void          vcd_disallocate (struct vt *vt)'
 *  'int           vcd_resize (unsigned long lines, unsigned long cols)'
 *  'void          vcd_blankscreen (int nopowersave)'
 *  'void          vcd_unblankscreen (void)'
 *  'void          vcd_savestate (const struct vt *vt, int blanked)'
 *  'void          vcd_restorestate (const struct vt *vt)'
 *  'void          vcd_setup_graphics (const struct vt *vt)'
 *  'int           vcd_write (const struct vt *vt, int from_user, const unsigned char *buf, int count)'
 *  'int           vcd_ioctl (const struct vt *vt, int cmd, unsigned long arg)'
 *
 *
 *      'int vc_allocate(unsigned int console)'
 *      'int vc_cons_allocated (unsigned int console)'
 *      'int vc_resize(unsigned long lines,unsigned long cols)'
 *      'void vc_disallocate(unsigned int currcons)'
 *
 *      'unsigned long con_init(unsigned long)'
 * S    'int con_open(struct tty_struct *tty,struct file *filp)'
 * S    'void con_write(struct tty_struct *tty)'
 * S    'void console_print(const char *b)'
 *      'void update_screen(int new_console)'
 *
 *      'void blank_screen(void)'
 *      'void unblank_screen(void)'
 *      'void scrollback(int lines)'                    *
 *      'void scrollfront(int lines)'                   *
 *      'int do_screendump(int arg)'
 *
 *      'int con_get_font(char *)'
 *      'int con_set_font(char *)'
 *      'int con_get_trans(char *)'
 *      'int con_set_trans(char *)'
 *
 *      'int mouse_reporting(void)'
 */
 
#include <linux/sched.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/kd.h>
#include <linux/major.h>
#include <linux/mm.h>
#include <linux/malloc.h>
 
#include <asm/segment.h>
#include <asm/irq.h>
 
#include "kbd_kern.h"
#include "consolemap.h"
#include "vt_kern.h"
#include "selection.h"
 
extern void register_console(void (*proc)(const char *));
static int printable;                           /* Is console ready for printing? */
 
int bytes_per_char_h;
int bytes_per_char_v;
 
#if 0
#define SERIAL_ECHO_PORT        0x2f8
#define SERIAL_ECHO_DIVISOR     3
 
#include "serialecho.c"
#endif
 
/*
 * functions to handle /dev/fb
 */
int con_fb_read(char *buf, unsigned long pos, int count)
{
        return -EIO;
}
 
int con_fb_write(const char *buf, unsigned long pos, int count)
{
        return -EIO;
}
 
int con_fb_mmap(unsigned long vma_start, unsigned long vma_offset,
                        unsigned long vma_end, pgprot_t prot)
{
        return -EINVAL;
}
 
void no_scroll (char *str, int *ints)
{
}
 
void mouse_report (struct tty_struct *tty, int butt, int mrx, int mry)
{
}
 
int mouse_reporting (void)
{
    return 0;
}
 
static inline unsigned long *bufferpos (const struct vt * const vt, int offset)
{
    return NULL;
}
 
void invert_screen (const struct vt * const vt, unsigned int offset, unsigned int count)
{
}
 
void complement_pos (const struct vt * const vt, unsigned int offset)
{
}
 
unsigned long screen_word (const struct vt * const vt, unsigned int offset)
{
    return 0;
}
 
int scrw2glyph (unsigned long scr_word)
{
    return 0;
}
 
unsigned long *screen_pos (const struct vt * const vt, unsigned int offset)
{
    return NULL;
}
 
void getconsxy (const struct vt * const vt, char *p)
{
    p[0] = p[1] = 0;
}
 
void putconsxy (const struct vt * const vt, char *p)
{
}
 
void console_print(const char *b)
{
    static int printing = 0;
 
    if (!printable || printing)
        return;  /* console not yet initialized */
 
    printing = 1;
#if 0
    serial_echo_print (b);
#endif
    printing = 0;
}
 
void update_scrmem (const struct vt * const vt, int start, int length)
{
}
 
void set_scrmem (const struct vt * const vt, long offset)
{
}
 
int con_set_font (char *arg)
{
    return -EINVAL;
}
 
int con_get_font (char *arg)
{
    return -EINVAL;
}
 
void con_reset_palette (const struct vt * const vt)
{
}
 
void con_set_palette (const struct vt * const vt)
{
}
 
/* == arm specific console code ============================================================== */
 
int do_screendump(int arg)
{
    return -EINVAL;
}
 
/*===============================================================================================*/
 
int vcd_init (struct vt *vt, int kmallocok, unsigned long *kmem)
{
    return 0;
}
 
unsigned long vcd_pre_init (unsigned long kmem, struct vt *vt)
{
#if 0   
    serial_echo_init (SERIAL_ECHO_PORT);
#endif
    printable = 1;
 
    printk ("Console: dummy console driver\n");
    register_console (console_print);
    return kmem;
}
 
void vcd_disallocate (struct vt *vt)
{
}
 
int vcd_resize(unsigned long lines, unsigned long cols)
{/* TODO */
        return -ENOMEM;
}
 
void vcd_blankscreen(int nopowersave)
{
}
 
void vcd_unblankscreen (void)
{
}
 
void vcd_savestate (const struct vt *vt, int blanked)
{
}
 
void vcd_restorestate (const struct vt *vt)
{
}
 
void vcd_setup_graphics (const struct vt *vt)
{
}
 
static char vcd_buffer[128];
int vcd_write (const struct vt *vt, int from_user, const unsigned char *buf, int count)
{
    int tmp = count;
    while (tmp) {
        int i;
 
        i = tmp < 127 ? tmp : 127;
 
        tmp -= i;
        memcpy (vcd_buffer, buf, i);
        buf += i;
 
        vcd_buffer[i] = 0;
#if 0
        serial_echo_print(vcd_buffer);
#endif
    }
    return count;
}
 
int vcd_ioctl (const struct vt *vt, int cmd, unsigned long arg)
{
    switch (cmd) {
    case PIO_FONT:
    case GIO_FONT:
    case PIO_SCRNMAP:
    case GIO_SCRNMAP:
    case PIO_UNISCRNMAP:
    case GIO_UNISCRNMAP:
    case PIO_UNIMAPCLR:
    case PIO_UNIMAP:
    case GIO_UNIMAP:
        return -EINVAL;
 
    default:
        return -ENOIOCTLCMD;
    }
}
 
void console_map_init (void)
{
}
 
/*
 * Report the current status of the vc. This is exported to modules (ARub)
 */
int con_get_info(int *mode, int *shift, int *col, int *row,
                        struct tty_struct **tty)
{
    if (mode) *mode = 0;
    if (shift) *shift = 0;
    if (col) *col = 0;
    if (row) *row = 0;
    if (tty) *tty = NULL;
    return 0;
}

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[/] [or1k/] [trunk/] [uclinux/] [uClinux-2.0.x/] [arch/] [armnommu/] [drivers/] [char/] [console-trio.c] - Blame information for rev 1775

Line No.	Rev	Author	Line
1	199	simons	`/*`
2			`* linux/arch/arm/drivers/char/console-dummy.c`
3			`*`
4			`* Modifications (C) 1996 Russell King`
5			`*/`
6
7			`/*`
8			`* This module exports the console io functions:`
9			`*`
10			`* 'int vcd_init (struct vt vt, int kmallocok, unsigned long kmem)'`
11			`* 'unsigned long vcd_pre_init (unsigned long kmem, struct vt *vt)'`
12			`* 'void vcd_disallocate (struct vt *vt)'`
13			`* 'int vcd_resize (unsigned long lines, unsigned long cols)'`
14			`* 'void vcd_blankscreen (int nopowersave)'`
15			`* 'void vcd_unblankscreen (void)'`
16			`* 'void vcd_savestate (const struct vt *vt, int blanked)'`
17			`* 'void vcd_restorestate (const struct vt *vt)'`
18			`* 'void vcd_setup_graphics (const struct vt *vt)'`
19			`* 'int vcd_write (const struct vt vt, int from_user, const unsigned char buf, int count)'`
20			`* 'int vcd_ioctl (const struct vt *vt, int cmd, unsigned long arg)'`
21			`*`
22			`*`
23			`* 'int vc_allocate(unsigned int console)'`
24			`* 'int vc_cons_allocated (unsigned int console)'`
25			`* 'int vc_resize(unsigned long lines,unsigned long cols)'`
26			`* 'void vc_disallocate(unsigned int currcons)'`
27			`*`
28			`* 'unsigned long con_init(unsigned long)'`
29			`* S 'int con_open(struct tty_struct tty,struct file filp)'`
30			`* S 'void con_write(struct tty_struct *tty)'`
31			`* S 'void console_print(const char *b)'`
32			`* 'void update_screen(int new_console)'`
33			`*`
34			`* 'void blank_screen(void)'`
35			`* 'void unblank_screen(void)'`
36			`* 'void scrollback(int lines)' *`
37			`* 'void scrollfront(int lines)' *`
38			`* 'int do_screendump(int arg)'`
39			`*`
40			`* 'int con_get_font(char *)'`
41			`* 'int con_set_font(char *)'`
42			`* 'int con_get_trans(char *)'`
43			`* 'int con_set_trans(char *)'`
44			`*`
45			`* 'int mouse_reporting(void)'`
46			`*/`
47
48			`#include <linux/sched.h>`
49			`#include <linux/timer.h>`
50			`#include <linux/interrupt.h>`
51			`#include <linux/tty.h>`
52			`#include <linux/tty_flip.h>`
53			`#include <linux/kernel.h>`
54			`#include <linux/errno.h>`
55			`#include <linux/kd.h>`
56			`#include <linux/major.h>`
57			`#include <linux/mm.h>`
58			`#include <linux/malloc.h>`
59
60			`#include <asm/segment.h>`
61			`#include <asm/irq.h>`
62
63			`#include "kbd_kern.h"`
64			`#include "consolemap.h"`
65			`#include "vt_kern.h"`
66			`#include "selection.h"`
67
68			`extern void register_console(void (proc)(const char ));`
69			`static int printable; /* Is console ready for printing? */`
70
71			`int bytes_per_char_h;`
72			`int bytes_per_char_v;`
73
74			`#if 0`
75			`#define SERIAL_ECHO_PORT 0x2f8`
76			`#define SERIAL_ECHO_DIVISOR 3`
77
78			`#include "serialecho.c"`
79			`#endif`
80
81			`/*`
82			`* functions to handle /dev/fb`
83			`*/`
84			`int con_fb_read(char *buf, unsigned long pos, int count)`
85			`{`
86			`return -EIO;`
87			`}`
88
89			`int con_fb_write(const char *buf, unsigned long pos, int count)`
90			`{`
91			`return -EIO;`
92			`}`
93
94			`int con_fb_mmap(unsigned long vma_start, unsigned long vma_offset,`
95			`unsigned long vma_end, pgprot_t prot)`
96			`{`
97			`return -EINVAL;`
98			`}`
99
100			`void no_scroll (char str, int ints)`
101			`{`
102			`}`
103
104			`void mouse_report (struct tty_struct *tty, int butt, int mrx, int mry)`
105			`{`
106			`}`
107
108			`int mouse_reporting (void)`
109			`{`
110			`return 0;`
111			`}`
112
113			`static inline unsigned long bufferpos (const struct vt const vt, int offset)`
114			`{`
115			`return NULL;`
116			`}`
117
118			`void invert_screen (const struct vt * const vt, unsigned int offset, unsigned int count)`
119			`{`
120			`}`
121
122			`void complement_pos (const struct vt * const vt, unsigned int offset)`
123			`{`
124			`}`
125
126			`unsigned long screen_word (const struct vt * const vt, unsigned int offset)`
127			`{`
128			`return 0;`
129			`}`
130
131			`int scrw2glyph (unsigned long scr_word)`
132			`{`
133			`return 0;`
134			`}`
135
136			`unsigned long screen_pos (const struct vt const vt, unsigned int offset)`
137			`{`
138			`return NULL;`
139			`}`
140
141			`void getconsxy (const struct vt * const vt, char *p)`
142			`{`
143			`p[0] = p[1] = 0;`
144			`}`
145
146			`void putconsxy (const struct vt * const vt, char *p)`
147			`{`
148			`}`
149
150			`void console_print(const char *b)`
151			`{`
152			`static int printing = 0;`
153
154			`if (!printable \|\| printing)`
155			`return; /* console not yet initialized */`
156
157			`printing = 1;`
158			`#if 0`
159			`serial_echo_print (b);`
160			`#endif`
161			`printing = 0;`
162			`}`
163
164			`void update_scrmem (const struct vt * const vt, int start, int length)`
165			`{`
166			`}`
167
168			`void set_scrmem (const struct vt * const vt, long offset)`
169			`{`
170			`}`
171
172			`int con_set_font (char *arg)`
173			`{`
174			`return -EINVAL;`
175			`}`
176
177			`int con_get_font (char *arg)`
178			`{`
179			`return -EINVAL;`
180			`}`
181
182			`void con_reset_palette (const struct vt * const vt)`
183			`{`
184			`}`
185
186			`void con_set_palette (const struct vt * const vt)`
187			`{`
188			`}`
189
190			`/* == arm specific console code ============================================================== */`
191
192			`int do_screendump(int arg)`
193			`{`
194			`return -EINVAL;`
195			`}`
196
197			`/===============================================================================================/`
198
199			`int vcd_init (struct vt vt, int kmallocok, unsigned long kmem)`
200			`{`
201			`return 0;`
202			`}`
203
204			`unsigned long vcd_pre_init (unsigned long kmem, struct vt *vt)`
205			`{`
206			`#if 0`
207			`serial_echo_init (SERIAL_ECHO_PORT);`
208			`#endif`
209			`printable = 1;`
210
211			`printk ("Console: dummy console driver\n");`
212			`register_console (console_print);`
213			`return kmem;`
214			`}`
215
216			`void vcd_disallocate (struct vt *vt)`
217			`{`
218			`}`
219
220			`int vcd_resize(unsigned long lines, unsigned long cols)`
221			`{/* TODO */`
222			`return -ENOMEM;`
223			`}`
224
225			`void vcd_blankscreen(int nopowersave)`
226			`{`
227			`}`
228
229			`void vcd_unblankscreen (void)`
230			`{`
231			`}`
232
233			`void vcd_savestate (const struct vt *vt, int blanked)`
234			`{`
235			`}`
236
237			`void vcd_restorestate (const struct vt *vt)`
238			`{`
239			`}`
240
241			`void vcd_setup_graphics (const struct vt *vt)`
242			`{`
243			`}`
244
245			`static char vcd_buffer[128];`
246			`int vcd_write (const struct vt vt, int from_user, const unsigned char buf, int count)`
247			`{`
248			`int tmp = count;`
249			`while (tmp) {`
250			`int i;`
251
252			`i = tmp < 127 ? tmp : 127;`
253
254			`tmp -= i;`
255			`memcpy (vcd_buffer, buf, i);`
256			`buf += i;`
257
258			`vcd_buffer[i] = 0;`
259			`#if 0`
260			`serial_echo_print(vcd_buffer);`
261			`#endif`
262			`}`
263			`return count;`
264			`}`
265
266			`int vcd_ioctl (const struct vt *vt, int cmd, unsigned long arg)`
267			`{`
268			`switch (cmd) {`
269			`case PIO_FONT:`
270			`case GIO_FONT:`
271			`case PIO_SCRNMAP:`
272			`case GIO_SCRNMAP:`
273			`case PIO_UNISCRNMAP:`
274			`case GIO_UNISCRNMAP:`
275			`case PIO_UNIMAPCLR:`
276			`case PIO_UNIMAP:`
277			`case GIO_UNIMAP:`
278			`return -EINVAL;`
279
280			`default:`
281			`return -ENOIOCTLCMD;`
282			`}`
283			`}`
284
285			`void console_map_init (void)`
286			`{`
287			`}`
288
289			`/*`
290			`* Report the current status of the vc. This is exported to modules (ARub)`
291			`*/`
292			`int con_get_info(int mode, int shift, int col, int row,`
293			`struct tty_struct **tty)`
294			`{`
295			`if (mode) *mode = 0;`
296			`if (shift) *shift = 0;`
297			`if (col) *col = 0;`
298			`if (row) *row = 0;`
299			`if (tty) *tty = NULL;`
300			`return 0;`
301			`}`