diff options
Diffstat (limited to 'include/linux/selection.h')
| -rw-r--r-- | include/linux/selection.h | 269 |
1 files changed, 13 insertions, 256 deletions
diff --git a/include/linux/selection.h b/include/linux/selection.h index e41e9ebef..45a14a4b3 100644 --- a/include/linux/selection.h +++ b/include/linux/selection.h @@ -4,7 +4,10 @@ * Interface between console.c, tty_io.c, vt.c, vc_screen.c and selection.c */ -#include <linux/config.h> +#ifndef _LINUX_SELECTION_H_ +#define _LINUX_SELECTION_H_ + +#include <linux/vt_buffer.h> extern int sel_cons; @@ -15,275 +18,29 @@ extern int sel_loadlut(const unsigned long arg); extern int mouse_reporting(void); extern void mouse_report(struct tty_struct * tty, int butt, int mrx, int mry); -#ifdef CONFIG_FB_CONSOLE -extern unsigned long get_video_num_columns(unsigned int console); -extern unsigned long get_video_num_lines(unsigned int console); -extern unsigned long get_video_size_row(unsigned int console); -#else -#define get_video_num_columns(dummy) video_num_columns -#define get_video_num_lines(dummy) video_num_lines -#define get_video_size_row(dummy) video_size_row -#endif - -extern unsigned long video_num_columns; -extern unsigned long video_num_lines; -extern unsigned long video_size_row; -extern unsigned char video_type; -extern unsigned long video_mem_base; -extern unsigned long video_mem_term; -extern unsigned long video_screen_size; -extern unsigned short video_port_reg; -extern unsigned short video_port_val; +#define video_num_columns (vc_cons[currcons].d->vc_cols) +#define video_num_lines (vc_cons[currcons].d->vc_rows) +#define video_size_row (vc_cons[currcons].d->vc_size_row) +#define video_screen_size (vc_cons[currcons].d->vc_screenbuf_size) +#define can_do_color (vc_cons[currcons].d->vc_can_do_color) extern int console_blanked; -extern int can_do_color; - -extern unsigned long video_font_height; -extern unsigned long video_scan_lines; -extern unsigned long default_font_height; -extern int video_font_is_default; extern unsigned char color_table[]; extern int default_red[]; extern int default_grn[]; extern int default_blu[]; -extern unsigned short __real_origin; -extern unsigned short __origin; -extern unsigned char has_wrapped; - -extern unsigned short *vc_scrbuf[MAX_NR_CONSOLES]; - extern void do_unblank_screen(void); extern unsigned short *screen_pos(int currcons, int w_offset, int viewed); -extern unsigned short screen_word(int currcons, int offset, int viewed); -extern int scrw2glyph(unsigned short scr_word); +extern u16 screen_glyph(int currcons, int offset); extern void complement_pos(int currcons, int offset); extern void invert_screen(int currcons, int offset, int count, int shift); -#define reverse_video_char(a) (((a) & 0x88) | ((((a) >> 4) | ((a) << 4)) & 0x77)) -#define reverse_video_short(a) (((a) & 0x88ff) | \ - (((a) & 0x7000) >> 4) | (((a) & 0x0700) << 4)) -/* this latter line used to have masks 0xf000 and 0x0f00, but selection - requires a self-inverse operation; moreover, the old version looks wrong */ - extern void getconsxy(int currcons, char *p); extern void putconsxy(int currcons, char *p); +extern u16 vcs_scr_readw(int currcons, u16 *org); +extern void vcs_scr_writew(int currcons, u16 val, u16 *org); -/* how to access screen memory */ - -#if defined(CONFIG_TGA_CONSOLE) - -extern int tga_blitc(unsigned int, unsigned long); -extern unsigned long video_mem_term; - -/* - * TGA console screen memory access - * - * TGA is *not* a character/attribute cell device; font bitmaps must be rendered - * to the screen pixels. - * - * We must test for an Alpha kernel virtual address that falls within - * the "shadow screen" memory. This condition indicates we really want - * to write to the screen, so, we do... :-) - * - * NOTE also: there's only *TWO* operations: to put/get a character/attribute. - * All the others needed by VGA support go away, as Not Applicable for TGA. - */ -static inline void scr_writew(unsigned short val, unsigned short * addr) -{ - /* - * always deposit the char/attr, then see if it was to "screen" mem. - * if so, then render the char/attr onto the real screen. - */ - *addr = val; - if ((unsigned long)addr < video_mem_term && - (unsigned long)addr >= video_mem_base) { - tga_blitc(val, (unsigned long) addr); - } -} - -static inline unsigned short scr_readw(unsigned short * addr) -{ - return *addr; -} - -#elif defined (CONFIG_SGI) - -#include <linux/vt_kern.h> -#include <linux/kd.h> -extern void blitc(unsigned short, unsigned long); -extern void memsetw(void * s, unsigned short c, unsigned int count); -extern void memcpyw(unsigned short *to, unsigned short *from, unsigned int count); -extern unsigned long video_mem_term; - -static inline void scr_writew(unsigned short val, unsigned short * addr) -{ - /* always deposit the char/attr, then see if it was to "screen" mem. - * if so, then render the char/attr onto the real screen. - */ - if(*addr != val) { - *addr = val; - if ((unsigned long)addr < video_mem_term && - (unsigned long)addr >= video_mem_base && - vt_cons [fg_console]->vc_mode == KD_TEXT) - blitc(val, (unsigned long) addr); - } -} - -static inline unsigned short scr_readw(unsigned short * addr) -{ - return *addr; -} - -#elif defined (CONFIG_VIDEO_G364) /* The G364 cards: same as above. */ - -extern void g364_blitc(unsigned short, unsigned long); -extern void g364_blitc_colour(unsigned short, unsigned long); -extern unsigned long video_mem_term; - -/* - * G364 console screen memory access - * - * G364 is *not* a character/attribute cell device; font bitmaps must be - * rendered to the screen pixels. - * - * The "unsigned short * addr" is *ALWAYS* a kernel virtual address, either - * of the VC's backing store, or the "shadow screen" memory where the screen - * contents are kept, as the G364 frame buffer is *not* char/attr cells. - * - * We must test for a Mips kernel virtual address that falls within - * the "shadow screen" memory. This condition indicates we really want - * to write to the screen, so, we do... :-) - * - * NOTE also: there's only *TWO* operations: to put/get a character/attribute. - * All the others needed by VGA support go away, as Not Applicable for G364. - */ -static inline void scr_writew(unsigned short val, unsigned short * addr) -{ - /* - * always deposit the char/attr, then see if it was to "screen" mem. - * if so, then render the char/attr onto the real screen. - */ - *addr = val; - if ((unsigned long)addr < video_mem_term && - (unsigned long)addr >= video_mem_base) { - if ((val & 0xff00) == 0x0700) - g364_blitc(val, (unsigned long) addr); /* B&W faster */ - else - g364_blitc_colour(val, (unsigned long) addr); - } -} - -static inline unsigned short scr_readw(unsigned short * addr) -{ - return *addr; -} - -#elif defined(CONFIG_SUN_CONSOLE) - -#include "vt_kern.h" -#include <linux/kd.h> -extern int sun_blitc(unsigned int, unsigned long); -extern void memsetw(void * s, unsigned short c, unsigned int count); -extern void memcpyw(unsigned short *to, unsigned short *from, unsigned int count); -extern unsigned long video_mem_term; - -/* Basically the same as the TGA stuff. */ -static inline void scr_writew(unsigned short val, unsigned short * addr) -{ - /* - * always deposit the char/attr, then see if it was to "screen" mem. - * if so, then render the char/attr onto the real screen. - */ - if (*addr != val) { - *addr = val; - if ((unsigned long)addr < video_mem_term && - (unsigned long)addr >= video_mem_base && - vt_cons [fg_console]->vc_mode == KD_TEXT) - sun_blitc(val, (unsigned long) addr); - } -} - -static inline unsigned short scr_readw(unsigned short * addr) -{ - return *addr; -} - -#else - -/* - * normal VGA console access - * - */ - -#include <asm/io.h> - -/* - * NOTE: "(long) addr < 0" tests for an Alpha kernel virtual address; this - * indicates a VC's backing store; otherwise, it's a bus memory address, for - * the VGA's screen memory, so we do the Alpha "swizzle"... :-) - */ -static inline void scr_writeb(unsigned char val, unsigned char * addr) -{ - if ((long) addr < 0) - *addr = val; - else - writeb(val, (unsigned long) addr); -} - -static inline unsigned char scr_readb(unsigned char * addr) -{ - if ((long) addr < 0) - return *addr; - return readb((unsigned long) addr); -} - -static inline void scr_writew(unsigned short val, unsigned short * addr) -{ -#ifdef __powerpc__ - st_le16(addr, val); -#else - if ((long) addr < 0) - *addr = val; - else - writew(val, (unsigned long) addr); -#endif /* !__powerpc__ */ -} - -static inline unsigned short scr_readw(unsigned short * addr) -{ -#ifdef __powerpc__ - return ld_le16(addr); -#else - if ((long) addr < 0) - return *addr; - return readw((unsigned long) addr); -#endif /* !__powerpc__ */ -} - -#endif /* CONFIG_TGA_CONSOLE */ - -#if !defined(CONFIG_SUN_CONSOLE) && !defined(CONFIG_SGI) -static inline void memsetw(void * s, unsigned short c, unsigned int count) -{ - unsigned short * addr = (unsigned short *) s; - - count /= 2; - while (count) { - count--; - scr_writew(c, addr++); - } -} - -static inline void memcpyw(unsigned short *to, unsigned short *from, - unsigned int count) -{ - count /= 2; - while (count) { - count--; - scr_writew(scr_readw(from++), to++); - } -} -#endif /* !defined(CONFIG_SUN_CONSOLE) && !defined(CONFIG_SGI) */ +#endif |