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