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path: root/drivers/video/console/fbcon.c
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Diffstat (limited to 'drivers/video/console/fbcon.c')
-rw-r--r--drivers/video/console/fbcon.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index e829ba18e0a5..e7802ffe549a 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -193,6 +193,8 @@ static void fbcon_preset_disp(struct fb_info *info, struct fb_var_screeninfo *va
int unit);
static void fbcon_redraw_move(struct vc_data *vc, struct display *p,
int line, int count, int dy);
+static void fbcon_modechanged(struct fb_info *info);
+static void fbcon_set_all_vcs(struct fb_info *info);
#ifdef CONFIG_MAC
/*
@@ -218,6 +220,51 @@ static inline void fbcon_set_rotation(struct fb_info *info, struct display *p)
else
ops->rotate = 0;
}
+
+static void fbcon_rotate(struct fb_info *info, u32 rotate)
+{
+ struct fbcon_ops *ops= info->fbcon_par;
+ struct fb_info *fb_info;
+
+ if (!ops || ops->currcon == -1)
+ return;
+
+ fb_info = registered_fb[con2fb_map[ops->currcon]];
+
+ if (info == fb_info) {
+ struct display *p = &fb_display[ops->currcon];
+
+ if (rotate < 4)
+ p->con_rotate = rotate;
+ else
+ p->con_rotate = 0;
+
+ fbcon_modechanged(info);
+ }
+}
+
+static void fbcon_rotate_all(struct fb_info *info, u32 rotate)
+{
+ struct fbcon_ops *ops = info->fbcon_par;
+ struct vc_data *vc;
+ struct display *p;
+ int i;
+
+ if (!ops || ops->currcon < 0 || rotate > 3)
+ return;
+
+ for (i = 0; i < MAX_NR_CONSOLES; i++) {
+ vc = vc_cons[i].d;
+ if (!vc || vc->vc_mode != KD_TEXT ||
+ registered_fb[con2fb_map[i]] != info)
+ continue;
+
+ p = &fb_display[vc->vc_num];
+ p->con_rotate = rotate;
+ }
+
+ fbcon_set_all_vcs(info);
+}
#else
static inline void fbcon_set_rotation(struct fb_info *info, struct display *p)
{
@@ -225,8 +272,25 @@ static inline void fbcon_set_rotation(struct fb_info *info, struct display *p)
ops->rotate = FB_ROTATE_UR;
}
+
+static void fbcon_rotate(struct fb_info *info, u32 rotate)
+{
+ return;
+}
+
+static void fbcon_rotate_all(struct fb_info *info, u32 rotate)
+{
+ return;
+}
#endif /* CONFIG_FRAMEBUFFER_CONSOLE_ROTATION */
+static int fbcon_get_rotate(struct fb_info *info)
+{
+ struct fbcon_ops *ops = info->fbcon_par;
+
+ return (ops) ? ops->rotate : 0;
+}
+
static inline int fbcon_is_inactive(struct vc_data *vc, struct fb_info *info)
{
struct fbcon_ops *ops = info->fbcon_par;
@@ -2864,6 +2928,14 @@ static int fbcon_event_notify(struct notifier_block *self,
case FB_EVENT_NEW_MODELIST:
fbcon_new_modelist(info);
break;
+ case FB_EVENT_SET_CON_ROTATE:
+ fbcon_rotate(info, *(int *)event->data);
+ break;
+ case FB_EVENT_GET_CON_ROTATE:
+ ret = fbcon_get_rotate(info);
+ break;
+ case FB_EVENT_SET_CON_ROTATE_ALL:
+ fbcon_rotate_all(info, *(int *)event->data);
}
return ret;