]> err.no Git - linux-2.6/blobdiff - drivers/video/console/fbcon.c
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzi...
[linux-2.6] / drivers / video / console / fbcon.c
index 7f4ed792307c33e7b8b2bf6fe2303cc877db0439..022282494d3fecee136f47d831e2dd4e534fe62d 100644 (file)
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/crc32.h> /* For counting font checksums */
+#include <asm/fb.h>
 #include <asm/irq.h>
 #include <asm/system.h>
-#include <asm/uaccess.h>
 #ifdef CONFIG_ATARI
 #include <asm/atariints.h>
 #endif
 #ifdef CONFIG_MAC
 #include <asm/macints.h>
 #endif
-#if defined(__mc68000__) || defined(CONFIG_APUS)
+#if defined(__mc68000__)
 #include <asm/machdep.h>
 #include <asm/setup.h>
 #endif
@@ -125,6 +125,20 @@ static int first_fb_vc;
 static int last_fb_vc = MAX_NR_CONSOLES - 1;
 static int fbcon_is_default = 1; 
 static int fbcon_has_exited;
+static int primary_device = -1;
+
+#ifdef CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY
+static int map_override;
+
+static inline void fbcon_map_override(void)
+{
+       map_override = 1;
+}
+#else
+static inline void fbcon_map_override(void)
+{
+}
+#endif /* CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY */
 
 /* font data */
 static char fontname[40];
@@ -133,7 +147,7 @@ static char fontname[40];
 static int info_idx = -1;
 
 /* console rotation */
-static int rotate;
+static int initial_rotation;
 static int fbcon_has_sysfs;
 
 static const struct consw fb_con;
@@ -189,9 +203,7 @@ static __inline__ void ypan_down(struct vc_data *vc, int count);
 static void fbcon_bmove_rec(struct vc_data *vc, struct display *p, int sy, int sx,
                            int dy, int dx, int height, int width, u_int y_break);
 static void fbcon_set_disp(struct fb_info *info, struct fb_var_screeninfo *var,
-                          struct vc_data *vc);
-static void fbcon_preset_disp(struct fb_info *info, struct fb_var_screeninfo *var,
-                             int unit);
+                          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);
@@ -322,10 +334,7 @@ static inline int get_color(struct vc_data *vc, struct fb_info *info,
        switch (depth) {
        case 1:
        {
-               int col = ~(0xfff << (max(info->var.green.length,
-                                         max(info->var.red.length,
-                                             info->var.blue.length)))) & 0xff;
-
+               int col = mono_col(info);
                /* 0 or 1 */
                int fg = (info->fix.visual != FB_VISUAL_MONO01) ? col : 0;
                int bg = (info->fix.visual != FB_VISUAL_MONO01) ? 0 : col;
@@ -497,13 +506,17 @@ static int __init fb_console_setup(char *this_opt)
                
                if (!strncmp(options, "map:", 4)) {
                        options += 4;
-                       if (*options)
+                       if (*options) {
                                for (i = 0, j = 0; i < MAX_NR_CONSOLES; i++) {
                                        if (!options[j])
                                                j = 0;
                                        con2fb_map_boot[i] =
                                                (options[j++]-'0') % FB_MAX;
                                }
+
+                               fbcon_map_override();
+                       }
+
                        return 1;
                }
 
@@ -521,9 +534,9 @@ static int __init fb_console_setup(char *this_opt)
                if (!strncmp(options, "rotate:", 7)) {
                        options += 7;
                        if (*options)
-                               rotate = simple_strtoul(options, &options, 0);
-                       if (rotate > 3)
-                               rotate = 0;
+                               initial_rotation = simple_strtoul(options, &options, 0);
+                       if (initial_rotation > 3)
+                               initial_rotation = 0;
                }
        }
        return 1;
@@ -738,7 +751,9 @@ static int con2fb_acquire_newinfo(struct vc_data *vc, struct fb_info *info,
 
        if (!err) {
                info->fbcon_par = ops;
-               set_blitting_type(vc, info);
+
+               if (vc)
+                       set_blitting_type(vc, info);
        }
 
        if (err) {
@@ -800,11 +815,7 @@ static void con2fb_init_display(struct vc_data *vc, struct fb_info *info,
 
        ops->flags |= FBCON_FLAGS_INIT;
        ops->graphics = 0;
-
-       if (vc)
-               fbcon_set_disp(info, &info->var, vc);
-       else
-               fbcon_preset_disp(info, &info->var, unit);
+       fbcon_set_disp(info, &info->var, unit);
 
        if (show_logo) {
                struct vc_data *fg_vc = vc_cons[fg_console].d;
@@ -975,7 +986,7 @@ static const char *fbcon_startup(void)
        ops->graphics = 1;
        ops->cur_rotate = -1;
        info->fbcon_par = ops;
-       p->con_rotate = rotate;
+       p->con_rotate = initial_rotation;
        set_blitting_type(vc, info);
 
        if (info->fix.type != FB_TYPE_TEXT) {
@@ -1109,6 +1120,9 @@ static void fbcon_init(struct vc_data *vc, int init)
        if (var_to_display(p, &info->var, info))
                return;
 
+       if (!info->fbcon_par)
+               con2fb_acquire_newinfo(vc, info, vc->vc_num, -1);
+
        /* If we are not the first console on this
           fb, copy the font from that console */
        t = &fb_display[fg_console];
@@ -1159,7 +1173,7 @@ static void fbcon_init(struct vc_data *vc, int init)
                con_copy_unimap(vc, svc);
 
        ops = info->fbcon_par;
-       p->con_rotate = rotate;
+       p->con_rotate = initial_rotation;
        set_blitting_type(vc, info);
 
        cols = vc->vc_cols;
@@ -1375,36 +1389,29 @@ static int scrollback_phys_max = 0;
 static int scrollback_max = 0;
 static int scrollback_current = 0;
 
-/*
- * If no vc is existent yet, just set struct display
- */
-static void fbcon_preset_disp(struct fb_info *info, struct fb_var_screeninfo *var,
-                             int unit)
-{
-       struct display *p = &fb_display[unit];
-       struct display *t = &fb_display[fg_console];
-
-       if (var_to_display(p, var, info))
-               return;
-
-       p->fontdata = t->fontdata;
-       p->userfont = t->userfont;
-       if (p->userfont)
-               REFCOUNT(p->fontdata)++;
-}
-
 static void fbcon_set_disp(struct fb_info *info, struct fb_var_screeninfo *var,
-                          struct vc_data *vc)
+                          int unit)
 {
-       struct display *p = &fb_display[vc->vc_num], *t;
-       struct vc_data **default_mode = vc->vc_display_fg;
-       struct vc_data *svc = *default_mode;
+       struct display *p, *t;
+       struct vc_data **default_mode, *vc;
+       struct vc_data *svc;
        struct fbcon_ops *ops = info->fbcon_par;
        int rows, cols, charcnt = 256;
 
+       p = &fb_display[unit];
+
        if (var_to_display(p, var, info))
                return;
+
+       vc = vc_cons[unit].d;
+
+       if (!vc)
+               return;
+
+       default_mode = vc->vc_display_fg;
+       svc = *default_mode;
        t = &fb_display[svc->vc_num];
+
        if (!vc->vc_font.data) {
                vc->vc_font.data = (void *)(p->fontdata = t->fontdata);
                vc->vc_font.width = (*default_mode)->vc_font.width;
@@ -2158,7 +2165,7 @@ static __inline__ void updatescrollmode(struct display *p,
 }
 
 static int fbcon_resize(struct vc_data *vc, unsigned int width, 
-                       unsigned int height)
+                       unsigned int height, unsigned int user)
 {
        struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
        struct fbcon_ops *ops = info->fbcon_par;
@@ -2395,7 +2402,7 @@ static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch)
                        update_screen(vc);
        }
 
-       if (fbcon_is_inactive(vc, info) ||
+       if (mode_switch || fbcon_is_inactive(vc, info) ||
            ops->blank_state != FB_BLANK_UNBLANK)
                fbcon_del_cursor_timer(info);
        else
@@ -2785,7 +2792,7 @@ static int fbcon_scrolldelta(struct vc_data *vc, int lines)
 {
        struct fb_info *info = registered_fb[con2fb_map[fg_console]];
        struct fbcon_ops *ops = info->fbcon_par;
-       struct display *p = &fb_display[fg_console];
+       struct display *disp = &fb_display[fg_console];
        int offset, limit, scrollback_old;
 
        if (softback_top) {
@@ -2823,7 +2830,7 @@ static int fbcon_scrolldelta(struct vc_data *vc, int lines)
                        logo_shown = FBCON_LOGO_CANSHOW;
                }
                fbcon_cursor(vc, CM_ERASE | CM_SOFTBACK);
-               fbcon_redraw_softback(vc, p, lines);
+               fbcon_redraw_softback(vc, disp, lines);
                fbcon_cursor(vc, CM_DRAW | CM_SOFTBACK);
                return 0;
        }
@@ -2845,9 +2852,9 @@ static int fbcon_scrolldelta(struct vc_data *vc, int lines)
 
        fbcon_cursor(vc, CM_ERASE);
 
-       offset = p->yscroll - scrollback_current;
-       limit = p->vrows;
-       switch (p->scrollmode) {
+       offset = disp->yscroll - scrollback_current;
+       limit = disp->vrows;
+       switch (disp->scrollmode) {
        case SCROLL_WRAP_MOVE:
                info->var.vmode |= FB_VMODE_YWRAP;
                break;
@@ -3004,9 +3011,48 @@ static int fbcon_mode_deleted(struct fb_info *info,
        return found;
 }
 
-static int fbcon_fb_unregistered(int idx)
+#ifdef CONFIG_VT_HW_CONSOLE_BINDING
+static int fbcon_unbind(void)
 {
-       int i;
+       int ret;
+
+       ret = unbind_con_driver(&fb_con, first_fb_vc, last_fb_vc,
+                               fbcon_is_default);
+       return ret;
+}
+#else
+static inline int fbcon_unbind(void)
+{
+       return -EINVAL;
+}
+#endif /* CONFIG_VT_HW_CONSOLE_BINDING */
+
+static int fbcon_fb_unbind(int idx)
+{
+       int i, new_idx = -1, ret = 0;
+
+       for (i = first_fb_vc; i <= last_fb_vc; i++) {
+               if (con2fb_map[i] != idx &&
+                   con2fb_map[i] != -1) {
+                       new_idx = i;
+                       break;
+               }
+       }
+
+       if (new_idx != -1) {
+               for (i = first_fb_vc; i <= last_fb_vc; i++) {
+                       if (con2fb_map[i] == idx)
+                               set_con2fb_map(i, new_idx, 0);
+               }
+       } else
+               ret = fbcon_unbind();
+
+       return ret;
+}
+
+static int fbcon_fb_unregistered(struct fb_info *info)
+{
+       int i, idx = info->node;
 
        for (i = first_fb_vc; i <= last_fb_vc; i++) {
                if (con2fb_map[i] == idx)
@@ -3034,12 +3080,48 @@ static int fbcon_fb_unregistered(int idx)
        if (!num_registered_fb)
                unregister_con_driver(&fb_con);
 
+
+       if (primary_device == idx)
+               primary_device = -1;
+
        return 0;
 }
 
-static int fbcon_fb_registered(int idx)
+#ifdef CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY
+static void fbcon_select_primary(struct fb_info *info)
 {
-       int ret = 0, i;
+       if (!map_override && primary_device == -1 &&
+           fb_is_primary_device(info)) {
+               int i;
+
+               printk(KERN_INFO "fbcon: %s (fb%i) is primary device\n",
+                      info->fix.id, info->node);
+               primary_device = info->node;
+
+               for (i = first_fb_vc; i <= last_fb_vc; i++)
+                       con2fb_map_boot[i] = primary_device;
+
+               if (con_is_bound(&fb_con)) {
+                       printk(KERN_INFO "fbcon: Remapping primary device, "
+                              "fb%i, to tty %i-%i\n", info->node,
+                              first_fb_vc + 1, last_fb_vc + 1);
+                       info_idx = primary_device;
+               }
+       }
+
+}
+#else
+static inline void fbcon_select_primary(struct fb_info *info)
+{
+       return;
+}
+#endif /* CONFIG_FRAMEBUFFER_DETECT_PRIMARY */
+
+static int fbcon_fb_registered(struct fb_info *info)
+{
+       int ret = 0, i, idx = info->node;
+
+       fbcon_select_primary(info);
 
        if (info_idx == -1) {
                for (i = first_fb_vc; i <= last_fb_vc; i++) {
@@ -3053,8 +3135,7 @@ static int fbcon_fb_registered(int idx)
                        ret = fbcon_takeover(1);
        } else {
                for (i = first_fb_vc; i <= last_fb_vc; i++) {
-                       if (con2fb_map_boot[i] == idx &&
-                           con2fb_map[i] == -1)
+                       if (con2fb_map_boot[i] == idx)
                                set_con2fb_map(i, idx, 0);
                }
        }
@@ -3101,12 +3182,7 @@ static void fbcon_new_modelist(struct fb_info *info)
                mode = fb_find_nearest_mode(fb_display[i].mode,
                                            &info->modelist);
                fb_videomode_to_var(&var, mode);
-
-               if (vc)
-                       fbcon_set_disp(info, &var, vc);
-               else
-                       fbcon_preset_disp(info, &var, i);
-
+               fbcon_set_disp(info, &var, vc->vc_num);
        }
 }
 
@@ -3181,11 +3257,14 @@ static int fbcon_event_notify(struct notifier_block *self,
                mode = event->data;
                ret = fbcon_mode_deleted(info, mode);
                break;
+       case FB_EVENT_FB_UNBIND:
+               ret = fbcon_fb_unbind(info->node);
+               break;
        case FB_EVENT_FB_REGISTERED:
-               ret = fbcon_fb_registered(info->node);
+               ret = fbcon_fb_registered(info);
                break;
        case FB_EVENT_FB_UNREGISTERED:
-               ret = fbcon_fb_unregistered(info->node);
+               ret = fbcon_fb_unregistered(info);
                break;
        case FB_EVENT_SET_CONSOLE_MAP:
                con2fb = event->data;