tty: vt, convert more macros to functions
[cascardo/linux.git] / drivers / tty / vt / vt.c
index 8ceabfd..26de5c0 100644 (file)
@@ -277,8 +277,15 @@ static void notify_update(struct vc_data *vc)
  *     Low-Level Functions
  */
 
-#define IS_FG(vc)      ((vc)->vc_num == fg_console)
-#define DO_UPDATE(vc)  (CON_IS_VISIBLE(vc) && !console_blanked)
+static inline bool con_is_fg(const struct vc_data *vc)
+{
+       return vc->vc_num == fg_console;
+}
+
+static inline bool con_should_update(const struct vc_data *vc)
+{
+       return con_is_visible(vc) && !console_blanked;
+}
 
 static inline unsigned short *screenpos(struct vc_data *vc, int offset, int viewed)
 {
@@ -316,7 +323,7 @@ static void scrup(struct vc_data *vc, unsigned int t, unsigned int b, int nr)
                nr = b - t - 1;
        if (b > vc->vc_rows || t >= b || nr < 1)
                return;
-       if (CON_IS_VISIBLE(vc) && vc->vc_sw->con_scroll(vc, t, b, SM_UP, nr))
+       if (con_is_visible(vc) && vc->vc_sw->con_scroll(vc, t, b, SM_UP, nr))
                return;
        d = (unsigned short *)(vc->vc_origin + vc->vc_size_row * t);
        s = (unsigned short *)(vc->vc_origin + vc->vc_size_row * (t + nr));
@@ -334,7 +341,7 @@ static void scrdown(struct vc_data *vc, unsigned int t, unsigned int b, int nr)
                nr = b - t - 1;
        if (b > vc->vc_rows || t >= b || nr < 1)
                return;
-       if (CON_IS_VISIBLE(vc) && vc->vc_sw->con_scroll(vc, t, b, SM_DOWN, nr))
+       if (con_is_visible(vc) && vc->vc_sw->con_scroll(vc, t, b, SM_DOWN, nr))
                return;
        s = (unsigned short *)(vc->vc_origin + vc->vc_size_row * t);
        step = vc->vc_cols * nr;
@@ -390,7 +397,7 @@ void update_region(struct vc_data *vc, unsigned long start, int count)
 {
        WARN_CONSOLE_UNLOCKED();
 
-       if (DO_UPDATE(vc)) {
+       if (con_should_update(vc)) {
                hide_cursor(vc);
                do_update_region(vc, start, count);
                set_cursor(vc);
@@ -490,7 +497,7 @@ void invert_screen(struct vc_data *vc, int offset, int count, int viewed)
                }
        }
 
-       if (DO_UPDATE(vc))
+       if (con_should_update(vc))
                do_update_region(vc, (unsigned long) p, count);
        notify_update(vc);
 }
@@ -507,7 +514,7 @@ void complement_pos(struct vc_data *vc, int offset)
        if (old_offset != -1 && old_offset >= 0 &&
            old_offset < vc->vc_screenbuf_size) {
                scr_writew(old, screenpos(vc, old_offset, 1));
-               if (DO_UPDATE(vc))
+               if (con_should_update(vc))
                        vc->vc_sw->con_putc(vc, old, oldy, oldx);
                notify_update(vc);
        }
@@ -522,7 +529,7 @@ void complement_pos(struct vc_data *vc, int offset)
                old = scr_readw(p);
                new = old ^ vc->vc_complement_mask;
                scr_writew(new, p);
-               if (DO_UPDATE(vc)) {
+               if (con_should_update(vc)) {
                        oldx = (offset >> 1) % vc->vc_cols;
                        oldy = (offset >> 1) / vc->vc_cols;
                        vc->vc_sw->con_putc(vc, new, oldy, oldx);
@@ -538,7 +545,7 @@ static void insert_char(struct vc_data *vc, unsigned int nr)
        scr_memmovew(p + nr, p, (vc->vc_cols - vc->vc_x - nr) * 2);
        scr_memsetw(p, vc->vc_video_erase_char, nr * 2);
        vc->vc_need_wrap = 0;
-       if (DO_UPDATE(vc))
+       if (con_should_update(vc))
                do_update_region(vc, (unsigned long) p,
                        vc->vc_cols - vc->vc_x);
 }
@@ -551,7 +558,7 @@ static void delete_char(struct vc_data *vc, unsigned int nr)
        scr_memsetw(p + vc->vc_cols - vc->vc_x - nr, vc->vc_video_erase_char,
                        nr * 2);
        vc->vc_need_wrap = 0;
-       if (DO_UPDATE(vc))
+       if (con_should_update(vc))
                do_update_region(vc, (unsigned long) p,
                        vc->vc_cols - vc->vc_x);
 }
@@ -571,7 +578,7 @@ static void add_softcursor(struct vc_data *vc)
        if ((type & 0x20) && ((softcursor_original & 0x7000) == (i & 0x7000))) i ^= 0x7000;
        if ((type & 0x40) && ((i & 0x700) == ((i & 0x7000) >> 4))) i ^= 0x0700;
        scr_writew(i, (u16 *) vc->vc_pos);
-       if (DO_UPDATE(vc))
+       if (con_should_update(vc))
                vc->vc_sw->con_putc(vc, i, vc->vc_y, vc->vc_x);
 }
 
@@ -579,7 +586,7 @@ static void hide_softcursor(struct vc_data *vc)
 {
        if (softcursor_original != -1) {
                scr_writew(softcursor_original, (u16 *)vc->vc_pos);
-               if (DO_UPDATE(vc))
+               if (con_should_update(vc))
                        vc->vc_sw->con_putc(vc, softcursor_original,
                                        vc->vc_y, vc->vc_x);
                softcursor_original = -1;
@@ -596,8 +603,7 @@ static void hide_cursor(struct vc_data *vc)
 
 static void set_cursor(struct vc_data *vc)
 {
-       if (!IS_FG(vc) || console_blanked ||
-           vc->vc_mode == KD_GRAPHICS)
+       if (!con_is_fg(vc) || console_blanked || vc->vc_mode == KD_GRAPHICS)
                return;
        if (vc->vc_deccm) {
                if (vc == sel_cons)
@@ -613,7 +619,7 @@ static void set_origin(struct vc_data *vc)
 {
        WARN_CONSOLE_UNLOCKED();
 
-       if (!CON_IS_VISIBLE(vc) ||
+       if (!con_is_visible(vc) ||
            !vc->vc_sw->con_set_origin ||
            !vc->vc_sw->con_set_origin(vc))
                vc->vc_origin = (unsigned long)vc->vc_screenbuf;
@@ -661,12 +667,12 @@ void redraw_screen(struct vc_data *vc, int is_switch)
                struct vc_data *old_vc = vc_cons[fg_console].d;
                if (old_vc == vc)
                        return;
-               if (!CON_IS_VISIBLE(vc))
+               if (!con_is_visible(vc))
                        redraw = 1;
                *vc->vc_display_fg = vc;
                fg_console = vc->vc_num;
                hide_cursor(old_vc);
-               if (!CON_IS_VISIBLE(old_vc)) {
+               if (!con_is_visible(old_vc)) {
                        save_screen(old_vc);
                        set_origin(old_vc);
                }
@@ -941,7 +947,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
                tty_do_resize(tty, &ws);
        }
 
-       if (CON_IS_VISIBLE(vc))
+       if (con_is_visible(vc))
                update_screen(vc);
        vt_event_post(VT_EVENT_RESIZE, vc->vc_num, vc->vc_num);
        return err;
@@ -1171,7 +1177,7 @@ static void csi_J(struct vc_data *vc, int vpar)
                        scr_memsetw(vc->vc_screenbuf, vc->vc_video_erase_char,
                                    vc->vc_screenbuf_size >> 1);
                        set_origin(vc);
-                       if (CON_IS_VISIBLE(vc))
+                       if (con_is_visible(vc))
                                update_screen(vc);
                        /* fall through */
                case 2: /* erase whole display */
@@ -1182,7 +1188,7 @@ static void csi_J(struct vc_data *vc, int vpar)
                        return;
        }
        scr_memsetw(start, vc->vc_video_erase_char, 2 * count);
-       if (DO_UPDATE(vc))
+       if (con_should_update(vc))
                do_update_region(vc, (unsigned long) start, count);
        vc->vc_need_wrap = 0;
 }
@@ -1210,7 +1216,7 @@ static void csi_K(struct vc_data *vc, int vpar)
        }
        scr_memsetw(start, vc->vc_video_erase_char, 2 * count);
        vc->vc_need_wrap = 0;
-       if (DO_UPDATE(vc))
+       if (con_should_update(vc))
                do_update_region(vc, (unsigned long) start, count);
 }
 
@@ -1223,7 +1229,7 @@ static void csi_X(struct vc_data *vc, int vpar) /* erase the following vpar posi
        count = (vpar > vc->vc_cols - vc->vc_x) ? (vc->vc_cols - vc->vc_x) : vpar;
 
        scr_memsetw((unsigned short *)vc->vc_pos, vc->vc_video_erase_char, 2 * count);
-       if (DO_UPDATE(vc))
+       if (con_should_update(vc))
                vc->vc_sw->con_clear(vc, vc->vc_y, vc->vc_x, 1, count);
        vc->vc_need_wrap = 0;
 }
@@ -2208,7 +2214,7 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
        charmask = himask ? 0x1ff : 0xff;
 
        /* undraw cursor first */
-       if (IS_FG(vc))
+       if (con_is_fg(vc))
                hide_cursor(vc);
 
        param.vc = vc;
@@ -2380,7 +2386,7 @@ rescan_last_byte:
                                             ((vc_attr << 8) & ~himask) + ((tc & 0x100) ? himask : 0) + (tc & 0xff) :
                                             (vc_attr << 8) + tc,
                                           (u16 *) vc->vc_pos);
-                               if (DO_UPDATE(vc) && draw_x < 0) {
+                               if (con_should_update(vc) && draw_x < 0) {
                                        draw_x = vc->vc_x;
                                        draw_from = vc->vc_pos;
                                }
@@ -2564,7 +2570,7 @@ static void vt_console_print(struct console *co, const char *b, unsigned count)
                goto quit;
 
        /* undraw cursor first */
-       if (IS_FG(vc))
+       if (con_is_fg(vc))
                hide_cursor(vc);
 
        start = (ushort *)vc->vc_pos;
@@ -2575,7 +2581,7 @@ static void vt_console_print(struct console *co, const char *b, unsigned count)
                c = *b++;
                if (c == 10 || c == 13 || c == 8 || vc->vc_need_wrap) {
                        if (cnt > 0) {
-                               if (CON_IS_VISIBLE(vc))
+                               if (con_is_visible(vc))
                                        vc->vc_sw->con_putcs(vc, start, cnt, vc->vc_y, vc->vc_x);
                                vc->vc_x += cnt;
                                if (vc->vc_need_wrap)
@@ -2607,7 +2613,7 @@ static void vt_console_print(struct console *co, const char *b, unsigned count)
                myx++;
        }
        if (cnt > 0) {
-               if (CON_IS_VISIBLE(vc))
+               if (con_is_visible(vc))
                        vc->vc_sw->con_putcs(vc, start, cnt, vc->vc_y, vc->vc_x);
                vc->vc_x += cnt;
                if (vc->vc_x == vc->vc_cols) {
@@ -3154,7 +3160,7 @@ static int do_bind_con_driver(const struct consw *csw, int first, int last,
 
                j = i;
 
-               if (CON_IS_VISIBLE(vc)) {
+               if (con_is_visible(vc)) {
                        k = i;
                        save_screen(vc);
                }