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-rw-r--r--drivers/video/console/Kconfig10
-rw-r--r--drivers/video/console/Makefile4
-rw-r--r--drivers/video/console/bitblit.c46
-rw-r--r--drivers/video/console/fbcon.c375
-rw-r--r--drivers/video/console/fbcon.h62
-rw-r--r--drivers/video/console/fbcon_ccw.c428
-rw-r--r--drivers/video/console/fbcon_cw.c412
-rw-r--r--drivers/video/console/fbcon_rotate.c117
-rw-r--r--drivers/video/console/fbcon_rotate.h105
-rw-r--r--drivers/video/console/fbcon_ud.c454
-rw-r--r--drivers/video/console/tileblit.c13
11 files changed, 1888 insertions, 138 deletions
diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig
index fadf7c5..94c5f13 100644
--- a/drivers/video/console/Kconfig
+++ b/drivers/video/console/Kconfig
@@ -101,6 +101,16 @@ config FRAMEBUFFER_CONSOLE
help
Low-level framebuffer-based console driver.
+config FRAMEBUFFER_CONSOLE_ROTATION
+ bool "Framebuffer Console Rotation"
+ depends on FRAMEBUFFER_CONSOLE
+ help
+ Enable display rotation for the framebuffer console. This is done
+ in software and may be significantly slower than a normally oriented
+ display. Note that the rotation is done at the console level only
+ such that other users of the framebuffer will remain normally
+ oriented.
+
config STI_CONSOLE
tristate "STI text console"
depends on PARISC
diff --git a/drivers/video/console/Makefile b/drivers/video/console/Makefile
index 5222628..fed600c 100644
--- a/drivers/video/console/Makefile
+++ b/drivers/video/console/Makefile
@@ -31,6 +31,10 @@ obj-$(CONFIG_FRAMEBUFFER_CONSOLE) += fbcon.o bitblit.o font.o softcursor.o
ifeq ($(CONFIG_FB_TILEBLITTING),y)
obj-$(CONFIG_FRAMEBUFFER_CONSOLE) += tileblit.o
endif
+ifeq ($(CONFIG_FRAMEBUFFER_CONSOLE_ROTATION),y)
+obj-$(CONFIG_FRAMEBUFFER_CONSOLE) += fbcon_rotate.o fbcon_cw.o fbcon_ud.o \
+ fbcon_ccw.o
+endif
obj-$(CONFIG_FB_STI) += sticore.o font.o
diff --git a/drivers/video/console/bitblit.c b/drivers/video/console/bitblit.c
index 67857b3..e65fc3e 100644
--- a/drivers/video/console/bitblit.c
+++ b/drivers/video/console/bitblit.c
@@ -22,35 +22,6 @@
/*
* Accelerated handlers.
*/
-#define FBCON_ATTRIBUTE_UNDERLINE 1
-#define FBCON_ATTRIBUTE_REVERSE 2
-#define FBCON_ATTRIBUTE_BOLD 4
-
-static inline int real_y(struct display *p, int ypos)
-{
- int rows = p->vrows;
-
- ypos += p->yscroll;
- return ypos < rows ? ypos : ypos - rows;
-}
-
-
-static inline int get_attribute(struct fb_info *info, u16 c)
-{
- int attribute = 0;
-
- if (fb_get_color_depth(&info->var, &info->fix) == 1) {
- if (attr_underline(c))
- attribute |= FBCON_ATTRIBUTE_UNDERLINE;
- if (attr_reverse(c))
- attribute |= FBCON_ATTRIBUTE_REVERSE;
- if (attr_bold(c))
- attribute |= FBCON_ATTRIBUTE_BOLD;
- }
-
- return attribute;
-}
-
static inline void update_attr(u8 *dst, u8 *src, int attribute,
struct vc_data *vc)
{
@@ -418,6 +389,18 @@ static void bit_cursor(struct vc_data *vc, struct fb_info *info,
ops->cursor_reset = 0;
}
+static int bit_update_start(struct fb_info *info)
+{
+ struct fbcon_ops *ops = info->fbcon_par;
+ int err;
+
+ err = fb_pan_display(info, &ops->var);
+ ops->var.xoffset = info->var.xoffset;
+ ops->var.yoffset = info->var.yoffset;
+ ops->var.vmode = info->var.vmode;
+ return err;
+}
+
void fbcon_set_bitops(struct fbcon_ops *ops)
{
ops->bmove = bit_bmove;
@@ -425,6 +408,11 @@ void fbcon_set_bitops(struct fbcon_ops *ops)
ops->putcs = bit_putcs;
ops->clear_margins = bit_clear_margins;
ops->cursor = bit_cursor;
+ ops->update_start = bit_update_start;
+ ops->rotate_font = NULL;
+
+ if (ops->rotate)
+ fbcon_set_rotate(ops);
}
EXPORT_SYMBOL(fbcon_set_bitops);
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index 3cf1b61..e7802ff 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -107,6 +107,8 @@ enum {
};
struct display fb_display[MAX_NR_CONSOLES];
+EXPORT_SYMBOL(fb_display);
+
static signed char con2fb_map[MAX_NR_CONSOLES];
static signed char con2fb_map_boot[MAX_NR_CONSOLES];
static int logo_height;
@@ -130,6 +132,9 @@ static char fontname[40];
/* current fb_info */
static int info_idx = -1;
+/* console rotation */
+static int rotate;
+
static const struct consw fb_con;
#define CM_SOFTBACK (8)
@@ -176,7 +181,6 @@ static int fbcon_scrolldelta(struct vc_data *vc, int lines);
/*
* Internal routines
*/
-static __inline__ int real_y(struct display *p, int ypos);
static __inline__ void ywrap_up(struct vc_data *vc, int count);
static __inline__ void ywrap_down(struct vc_data *vc, int count);
static __inline__ void ypan_up(struct vc_data *vc, int count);
@@ -189,6 +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
/*
@@ -203,6 +209,88 @@ static irqreturn_t fb_vbl_detect(int irq, void *dummy, struct pt_regs *fp)
}
#endif
+#ifdef CONFIG_FRAMEBUFFER_CONSOLE_ROTATION
+static inline void fbcon_set_rotation(struct fb_info *info, struct display *p)
+{
+ struct fbcon_ops *ops = info->fbcon_par;
+
+ if (!(info->flags & FBINFO_MISC_TILEBLITTING) &&
+ p->con_rotate < 4)
+ ops->rotate = p->con_rotate;
+ 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)
+{
+ struct fbcon_ops *ops = info->fbcon_par;
+
+ 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;
@@ -422,6 +510,14 @@ static int __init fb_console_setup(char *this_opt)
last_fb_vc = simple_strtoul(options, &options, 10) - 1;
fbcon_is_default = 0;
}
+
+ if (!strncmp(options, "rotate:", 7)) {
+ options += 7;
+ if (*options)
+ rotate = simple_strtoul(options, &options, 0);
+ if (rotate > 3)
+ rotate = 0;
+ }
}
return 0;
}
@@ -480,6 +576,7 @@ static void fbcon_prepare_logo(struct vc_data *vc, struct fb_info *info,
int cols, int rows, int new_cols, int new_rows)
{
/* Need to make room for the logo */
+ struct fbcon_ops *ops = info->fbcon_par;
int cnt, erase = vc->vc_video_erase_char, step;
unsigned short *save = NULL, *r, *q;
@@ -489,7 +586,7 @@ static void fbcon_prepare_logo(struct vc_data *vc, struct fb_info *info,
*/
if (fb_get_color_depth(&info->var, &info->fix) == 1)
erase &= ~0x400;
- logo_height = fb_prepare_logo(info);
+ logo_height = fb_prepare_logo(info, ops->rotate);
logo_lines = (logo_height + vc->vc_font.height - 1) /
vc->vc_font.height;
q = (unsigned short *) (vc->vc_origin +
@@ -558,16 +655,24 @@ static void set_blitting_type(struct vc_data *vc, struct fb_info *info,
if ((info->flags & FBINFO_MISC_TILEBLITTING))
fbcon_set_tileops(vc, info, p, ops);
- else
+ else {
+ struct display *disp;
+
+ disp = (p) ? p : &fb_display[vc->vc_num];
+ fbcon_set_rotation(info, disp);
fbcon_set_bitops(ops);
+ }
}
#else
static void set_blitting_type(struct vc_data *vc, struct fb_info *info,
struct display *p)
{
struct fbcon_ops *ops = info->fbcon_par;
+ struct display *disp;
info->flags &= ~FBINFO_MISC_TILEBLITTING;
+ disp = (p) ? p : &fb_display[vc->vc_num];
+ fbcon_set_rotation(info, disp);
fbcon_set_bitops(ops);
}
#endif /* CONFIG_MISC_TILEBLITTING */
@@ -627,6 +732,7 @@ static int con2fb_release_oldinfo(struct vc_data *vc, struct fb_info *oldinfo,
fbcon_del_cursor_timer(oldinfo);
kfree(ops->cursor_state.mask);
kfree(ops->cursor_data);
+ kfree(ops->fontbuffer);
kfree(oldinfo->fbcon_par);
oldinfo->fbcon_par = NULL;
module_put(oldinfo->fbops->owner);
@@ -827,7 +933,9 @@ static const char *fbcon_startup(void)
memset(ops, 0, sizeof(struct fbcon_ops));
ops->currcon = -1;
ops->graphics = 1;
+ ops->cur_rotate = -1;
info->fbcon_par = ops;
+ p->con_rotate = rotate;
set_blitting_type(vc, info, NULL);
if (info->fix.type != FB_TYPE_TEXT) {
@@ -866,8 +974,10 @@ static const char *fbcon_startup(void)
vc->vc_font.charcount = 256; /* FIXME Need to support more fonts */
}
- cols = info->var.xres / vc->vc_font.width;
- rows = info->var.yres / vc->vc_font.height;
+ cols = FBCON_SWAP(ops->rotate, info->var.xres, info->var.yres);
+ rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
+ cols /= vc->vc_font.width;
+ rows /= vc->vc_font.height;
vc_resize(vc, cols, rows);
DPRINTK("mode: %s\n", info->fix.id);
@@ -953,8 +1063,6 @@ static void fbcon_init(struct vc_data *vc, int init)
(info->fix.type == FB_TYPE_TEXT))
logo = 0;
- info->var.xoffset = info->var.yoffset = p->yscroll = 0; /* reset wrap/pan */
-
if (var_to_display(p, &info->var, info))
return;
@@ -986,13 +1094,18 @@ static void fbcon_init(struct vc_data *vc, int init)
if (!*vc->vc_uni_pagedir_loc)
con_copy_unimap(vc, svc);
+ ops = info->fbcon_par;
+ p->con_rotate = rotate;
+ set_blitting_type(vc, info, NULL);
+
cols = vc->vc_cols;
rows = vc->vc_rows;
- new_cols = info->var.xres / vc->vc_font.width;
- new_rows = info->var.yres / vc->vc_font.height;
+ new_cols = FBCON_SWAP(ops->rotate, info->var.xres, info->var.yres);
+ new_rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
+ new_cols /= vc->vc_font.width;
+ new_rows /= vc->vc_font.height;
vc_resize(vc, new_cols, new_rows);
- ops = info->fbcon_par;
/*
* We must always set the mode. The mode of the previous console
* driver could be in the same resolution but we are using different
@@ -1030,6 +1143,12 @@ static void fbcon_init(struct vc_data *vc, int init)
if (vc == svc && softback_buf)
fbcon_update_softback(vc);
+
+ if (ops->rotate_font && ops->rotate_font(info, vc, p)) {
+ ops->rotate = FB_ROTATE_UR;
+ set_blitting_type(vc, info, p);
+ }
+
}
static void fbcon_deinit(struct vc_data *vc)
@@ -1066,15 +1185,6 @@ static void fbcon_deinit(struct vc_data *vc)
* restriction is simplicity & efficiency at the moment.
*/
-static __inline__ int real_y(struct display *p, int ypos)
-{
- int rows = p->vrows;
-
- ypos += p->yscroll;
- return ypos < rows ? ypos : ypos - rows;
-}
-
-
static void fbcon_clear(struct vc_data *vc, int sy, int sx, int height,
int width)
{
@@ -1162,13 +1272,6 @@ static int scrollback_phys_max = 0;
static int scrollback_max = 0;
static int scrollback_current = 0;
-static int update_var(int con, struct fb_info *info)
-{
- if (con == ((struct fbcon_ops *)info->fbcon_par)->currcon)
- return fb_pan_display(info, &info->var);
- return 0;
-}
-
/*
* If no vc is existent yet, just set struct display
*/
@@ -1178,7 +1281,6 @@ static void fbcon_preset_disp(struct fb_info *info, struct fb_var_screeninfo *va
struct display *p = &fb_display[unit];
struct display *t = &fb_display[fg_console];
- var->xoffset = var->yoffset = p->yscroll = 0;
if (var_to_display(p, var, info))
return;
@@ -1194,9 +1296,9 @@ static void fbcon_set_disp(struct fb_info *info, struct fb_var_screeninfo *var,
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 fbcon_ops *ops = info->fbcon_par;
int rows, cols, charcnt = 256;
- var->xoffset = var->yoffset = p->yscroll = 0;
if (var_to_display(p, var, info))
return;
t = &fb_display[svc->vc_num];
@@ -1213,9 +1315,10 @@ static void fbcon_set_disp(struct fb_info *info, struct fb_var_screeninfo *var,
var->activate = FB_ACTIVATE_NOW;
info->var.activate = var->activate;
- info->var.yoffset = info->var.xoffset = 0;
+ var->yoffset = info->var.yoffset;
+ var->xoffset = info->var.xoffset;
fb_set_var(info, var);
-
+ ops->var = info->var;
vc->vc_can_do_color = (fb_get_color_depth(&info->var, &info->fix)!=1);
vc->vc_complement_mask = vc->vc_can_do_color ? 0x7700 : 0x0800;
if (charcnt == 256) {
@@ -1231,9 +1334,12 @@ static void fbcon_set_disp(struct fb_info *info, struct fb_var_screeninfo *var,
if (!*vc->vc_uni_pagedir_loc)
con_copy_unimap(vc, svc);
- cols = var->xres / vc->vc_font.width;
- rows = var->yres / vc->vc_font.height;
+ cols = FBCON_SWAP(ops->rotate, info->var.xres, info->var.yres);
+ rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
+ cols /= vc->vc_font.width;
+ rows /= vc->vc_font.height;
vc_resize(vc, cols, rows);
+
if (CON_IS_VISIBLE(vc)) {
update_screen(vc);
if (softback_buf)
@@ -1244,15 +1350,16 @@ static void fbcon_set_disp(struct fb_info *info, struct fb_var_screeninfo *var,
static __inline__ void ywrap_up(struct vc_data *vc, int count)
{
struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
+ struct fbcon_ops *ops = info->fbcon_par;
struct display *p = &fb_display[vc->vc_num];
p->yscroll += count;
if (p->yscroll >= p->vrows) /* Deal with wrap */
p->yscroll -= p->vrows;
- info->var.xoffset = 0;
- info->var.yoffset = p->yscroll * vc->vc_font.height;
- info->var.vmode |= FB_VMODE_YWRAP;
- update_var(vc->vc_num, info);
+ ops->var.xoffset = 0;
+ ops->var.yoffset = p->yscroll * vc->vc_font.height;
+ ops->var.vmode |= FB_VMODE_YWRAP;
+ ops->update_start(info);
scrollback_max += count;
if (scrollback_max > scrollback_phys_max)
scrollback_max = scrollback_phys_max;
@@ -1262,15 +1369,16 @@ static __inline__ void ywrap_up(struct vc_data *vc, int count)
static __inline__ void ywrap_down(struct vc_data *vc, int count)
{
struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
+ struct fbcon_ops *ops = info->fbcon_par;
struct display *p = &fb_display[vc->vc_num];
p->yscroll -= count;
if (p->yscroll < 0) /* Deal with wrap */
p->yscroll += p->vrows;
- info->var.xoffset = 0;
- info->var.yoffset = p->yscroll * vc->vc_font.height;
- info->var.vmode |= FB_VMODE_YWRAP;
- update_var(vc->vc_num, info);
+ ops->var.xoffset = 0;
+ ops->var.yoffset = p->yscroll * vc->vc_font.height;
+ ops->var.vmode |= FB_VMODE_YWRAP;
+ ops->update_start(info);
scrollback_max -= count;
if (scrollback_max < 0)
scrollback_max = 0;
@@ -1289,10 +1397,11 @@ static __inline__ void ypan_up(struct vc_data *vc, int count)
0, 0, 0, vc->vc_rows, vc->vc_cols);
p->yscroll -= p->vrows - vc->vc_rows;
}
- info->var.xoffset = 0;
- info->var.yoffset = p->yscroll * vc->vc_font.height;
- info->var.vmode &= ~FB_VMODE_YWRAP;
- update_var(vc->vc_num, info);
+
+ ops->var.xoffset = 0;
+ ops->var.yoffset = p->yscroll * vc->vc_font.height;
+ ops->var.vmode &= ~FB_VMODE_YWRAP;
+ ops->update_start(info);
fbcon_clear_margins(vc, 1);
scrollback_max += count;
if (scrollback_max > scrollback_phys_max)
@@ -1303,6 +1412,7 @@ static __inline__ void ypan_up(struct vc_data *vc, int count)
static __inline__ void ypan_up_redraw(struct vc_data *vc, int t, int count)
{
struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
+ struct fbcon_ops *ops = info->fbcon_par;
struct display *p = &fb_display[vc->vc_num];
int redraw = 0;
@@ -1312,12 +1422,13 @@ static __inline__ void ypan_up_redraw(struct vc_data *vc, int t, int count)
redraw = 1;
}
- info->var.xoffset = 0;
- info->var.yoffset = p->yscroll * vc->vc_font.height;
- info->var.vmode &= ~FB_VMODE_YWRAP;
if (redraw)
fbcon_redraw_move(vc, p, t + count, vc->vc_rows - count, t);
- update_var(vc->vc_num, info);
+
+ ops->var.xoffset = 0;
+ ops->var.yoffset = p->yscroll * vc->vc_font.height;
+ ops->var.vmode &= ~FB_VMODE_YWRAP;
+ ops->update_start(info);
fbcon_clear_margins(vc, 1);
scrollback_max += count;
if (scrollback_max > scrollback_phys_max)
@@ -1337,10 +1448,11 @@ static __inline__ void ypan_down(struct vc_data *vc, int count)
0, vc->vc_rows, vc->vc_cols);
p->yscroll += p->vrows - vc->vc_rows;
}
- info->var.xoffset = 0;
- info->var.yoffset = p->yscroll * vc->vc_font.height;
- info->var.vmode &= ~FB_VMODE_YWRAP;
- update_var(vc->vc_num, info);
+
+ ops->var.xoffset = 0;
+ ops->var.yoffset = p->yscroll * vc->vc_font.height;
+ ops->var.vmode &= ~FB_VMODE_YWRAP;
+ ops->update_start(info);
fbcon_clear_margins(vc, 1);
scrollback_max -= count;
if (scrollback_max < 0)
@@ -1351,6 +1463,7 @@ static __inline__ void ypan_down(struct vc_data *vc, int count)
static __inline__ void ypan_down_redraw(struct vc_data *vc, int t, int count)
{
struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
+ struct fbcon_ops *ops = info->fbcon_par;
struct display *p = &fb_display[vc->vc_num];
int redraw = 0;
@@ -1359,12 +1472,14 @@ static __inline__ void ypan_down_redraw(struct vc_data *vc, int t, int count)
p->yscroll += p->vrows - vc->vc_rows;
redraw = 1;
}
- info->var.xoffset = 0;
- info->var.yoffset = p->yscroll * vc->vc_font.height;
- info->var.vmode &= ~FB_VMODE_YWRAP;
+
if (redraw)
fbcon_redraw_move(vc, p, t, vc->vc_rows - count, t + count);
- update_var(vc->vc_num, info);
+
+ ops->var.xoffset = 0;
+ ops->var.yoffset = p->yscroll * vc->vc_font.height;
+ ops->var.vmode &= ~FB_VMODE_YWRAP;
+ ops->update_start(info);
fbcon_clear_margins(vc, 1);
scrollback_max -= count;
if (scrollback_max < 0)
@@ -1838,31 +1953,41 @@ static void fbcon_bmove_rec(struct vc_data *vc, struct display *p, int sy, int s
height, width);
}
-static __inline__ void updatescrollmode(struct display *p, struct fb_info *info,
+static __inline__ void updatescrollmode(struct display *p,
+ struct fb_info *info,
struct vc_data *vc)
{
+ struct fbcon_ops *ops = info->fbcon_par;
int fh = vc->vc_font.height;
int cap = info->flags;
- int good_pan = (cap & FBINFO_HWACCEL_YPAN)
- && divides(info->fix.ypanstep, vc->vc_font.height)
- && info->var.yres_virtual > info->var.yres;
- int good_wrap = (cap & FBINFO_HWACCEL_YWRAP)
- && divides(info->fix.ywrapstep, vc->vc_font.height)
- && divides(vc->vc_font.height, info->var.yres_virtual);
+ u16 t = 0;
+ int ypan = FBCON_SWAP(ops->rotate, info->fix.ypanstep,
+ info->fix.xpanstep);
+ int ywrap = FBCON_SWAP(ops->rotate, info->fix.ywrapstep, t);
+ int yres = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
+ int vyres = FBCON_SWAP(ops->rotate, info->var.yres_virtual,
+ info->var.xres_virtual);
+ int good_pan = (cap & FBINFO_HWACCEL_YPAN) &&
+ divides(ypan, vc->vc_font.height) && vyres > yres;
+ int good_wrap = (cap & FBINFO_HWACCEL_YWRAP) &&
+ divides(ywrap, vc->vc_font.height) &&
+ divides(vc->vc_font.height, vyres);
int reading_fast = cap & FBINFO_READS_FAST;
- int fast_copyarea = (cap & FBINFO_HWACCEL_COPYAREA) && !(cap & FBINFO_HWACCEL_DISABLED);
- int fast_imageblit = (cap & FBINFO_HWACCEL_IMAGEBLIT) && !(cap & FBINFO_HWACCEL_DISABLED);
-
- p->vrows = info->var.yres_virtual/fh;
- if (info->var.yres > (fh * (vc->vc_rows + 1)))
- p->vrows -= (info->var.yres - (fh * vc->vc_rows)) / fh;
- if ((info->var.yres % fh) && (info->var.yres_virtual % fh <
- info->var.yres % fh))
+ int fast_copyarea = (cap & FBINFO_HWACCEL_COPYAREA) &&
+ !(cap & FBINFO_HWACCEL_DISABLED);
+ int fast_imageblit = (cap & FBINFO_HWACCEL_IMAGEBLIT) &&
+ !(cap & FBINFO_HWACCEL_DISABLED);
+
+ p->vrows = vyres/fh;
+ if (yres > (fh * (vc->vc_rows + 1)))
+ p->vrows -= (yres - (fh * vc->vc_rows)) / fh;
+ if ((yres % fh) && (vyres % fh < yres % fh))
p->vrows--;
if (good_wrap || good_pan) {
if (reading_fast || fast_copyarea)
- p->scrollmode = good_wrap ? SCROLL_WRAP_MOVE : SCROLL_PAN_MOVE;
+ p->scrollmode = good_wrap ?
+ SCROLL_WRAP_MOVE : SCROLL_PAN_MOVE;
else
p->scrollmode = good_wrap ? SCROLL_REDRAW :
SCROLL_PAN_REDRAW;
@@ -1878,17 +2003,23 @@ static int fbcon_resize(struct vc_data *vc, unsigned int width,
unsigned int height)
{
struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
+ struct fbcon_ops *ops = info->fbcon_par;
struct display *p = &fb_display[vc->vc_num];
struct fb_var_screeninfo var = info->var;
- int x_diff, y_diff;
- int fw = vc->vc_font.width;
- int fh = vc->vc_font.height;
-
- var.xres = width * fw;
- var.yres = height * fh;
+ int x_diff, y_diff, virt_w, virt_h, virt_fw, virt_fh;
+
+ virt_w = FBCON_SWAP(ops->rotate, width, height);
+ virt_h = FBCON_SWAP(ops->rotate, height, width);
+ virt_fw = FBCON_SWAP(ops->rotate, vc->vc_font.width,
+ vc->vc_font.height);
+ virt_fh = FBCON_SWAP(ops->rotate, vc->vc_font.height,
+ vc->vc_font.width);
+ var.xres = virt_w * virt_fw;
+ var.yres = virt_h * virt_fh;
x_diff = info->var.xres - var.xres;
y_diff = info->var.yres - var.yres;
- if (x_diff < 0 || x_diff > fw || (y_diff < 0 || y_diff > fh)) {
+ if (x_diff < 0 || x_diff > virt_fw ||
+ y_diff < 0 || y_diff > virt_fh) {
struct fb_videomode *mode;
DPRINTK("attempting resize %ix%i\n", var.xres, var.yres);
@@ -1898,7 +2029,7 @@ static int fbcon_resize(struct vc_data *vc, unsigned int width,
display_to_var(&var, p);
fb_videomode_to_var(&var, mode);
- if (width > var.xres/fw || height > var.yres/fh)
+ if (virt_w > var.xres/virt_fw || virt_h > var.yres/virt_fh)
return -EINVAL;
DPRINTK("resize now %ix%i\n", var.xres, var.yres);
@@ -1908,6 +2039,7 @@ static int fbcon_resize(struct vc_data *vc, unsigned int width,
fb_set_var(info, &var);
}
var_to_display(p, &info->var, info);
+ ops->var = info->var;
}
updatescrollmode(p, info, vc);
return 0;
@@ -1916,11 +2048,13 @@ static int fbcon_resize(struct vc_data *vc, unsigned int width,
static int fbcon_switch(struct vc_data *vc)
{
struct fb_info *info, *old_info = NULL;
+ struct fbcon_ops *ops;
struct display *p = &fb_display[vc->vc_num];
struct fb_var_screeninfo var;
int i, prev_console;
info = registered_fb[con2fb_map[vc->vc_num]];
+ ops = info->fbcon_par;
if (softback_top) {
if (softback_lines)
@@ -1939,7 +2073,7 @@ static int fbcon_switch(struct vc_data *vc)
logo_shown = FBCON_LOGO_CANSHOW;
}
- prev_console = ((struct fbcon_ops *)info->fbcon_par)->currcon;
+ prev_console = ops->currcon;
if (prev_console != -1)
old_info = registered_fb[con2fb_map[prev_console]];
/*
@@ -1952,9 +2086,9 @@ static int fbcon_switch(struct vc_data *vc)
*/
for (i = 0; i < FB_MAX; i++) {
if (registered_fb[i] != NULL && registered_fb[i]->fbcon_par) {
- struct fbcon_ops *ops = registered_fb[i]->fbcon_par;
+ struct fbcon_ops *o = registered_fb[i]->fbcon_par;
- ops->currcon = vc->vc_num;
+ o->currcon = vc->vc_num;
}
}
memset(&var, 0, sizeof(struct fb_var_screeninfo));
@@ -1966,8 +2100,11 @@ static int fbcon_switch(struct vc_data *vc)
* in fb_set_var()
*/
info->var.activate = var.activate;
- info->var.yoffset = info->var.xoffset = p->yscroll = 0;
+ var.yoffset = info->var.yoffset;
+ var.xoffset = info->var.xoffset;
+ var.vmode = info->var.vmode;
fb_set_var(info, &var);
+ ops->var = info->var;
if (old_info != NULL && old_info != info) {
if (info->fbops->fb_set_par)
@@ -1977,7 +2114,12 @@ static int fbcon_switch(struct vc_data *vc)
}
set_blitting_type(vc, info, p);
- ((struct fbcon_ops *)info->fbcon_par)->cursor_reset = 1;
+ ops->cursor_reset = 1;
+
+ if (ops->rotate_font && ops->rotate_font(info, vc, p)) {
+ ops->rotate = FB_ROTATE_UR;
+ set_blitting_type(vc, info, p);
+ }
vc->vc_can_do_color = (fb_get_color_depth(&info->var, &info->fix)!=1);
vc->vc_complement_mask = vc->vc_can_do_color ? 0x7700 : 0x0800;
@@ -1997,10 +2139,11 @@ static int fbcon_switch(struct vc_data *vc)
scrollback_phys_max = 0;
break;
}
+
scrollback_max = 0;
scrollback_current = 0;
-
- update_var(vc->vc_num, info);
+ ops->var.xoffset = ops->var.yoffset = p->yscroll = 0;
+ ops->update_start(info);
fbcon_set_palette(vc, color_table);
fbcon_clear_margins(vc, 0);
@@ -2008,7 +2151,7 @@ static int fbcon_switch(struct vc_data *vc)
logo_shown = fg_console;
/* This is protected above by initmem_freed */
- fb_show_logo(info);
+ fb_show_logo(info, ops->rotate);
update_region(vc,
vc->vc_origin + vc->vc_size_row * vc->vc_top,
vc->vc_size_row * (vc->vc_bottom -
@@ -2047,6 +2190,7 @@ static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch)
var.activate = FB_ACTIVATE_NOW | FB_ACTIVATE_FORCE;
fb_set_var(info, &var);
ops->graphics = 0;
+ ops->var = info->var;
}
}
@@ -2135,6 +2279,7 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h,
const u8 * data, int userfont)
{
struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
+ struct fbcon_ops *ops = info->fbcon_par;
struct display *p = &fb_display[vc->vc_num];
int resize;
int cnt;
@@ -2214,9 +2359,13 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h,
}
if (resize) {
- /* reset wrap/pan */
- info->var.xoffset = info->var.yoffset = p->yscroll = 0;
- vc_resize(vc, info->var.xres / w, info->var.yres / h);
+ int cols, rows;
+
+ cols = FBCON_SWAP(ops->rotate, info->var.xres, info->var.yres);
+ rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
+ cols /= w;
+ rows /= h;
+ vc_resize(vc, cols, rows);
if (CON_IS_VISIBLE(vc) && softback_buf)
fbcon_update_softback(vc);
} else if (CON_IS_VISIBLE(vc)
@@ -2444,6 +2593,7 @@ static void fbcon_invert_region(struct vc_data *vc, u16 * p, int cnt)
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];
int offset, limit, scrollback_old;
@@ -2520,9 +2670,11 @@ static int fbcon_scrolldelta(struct vc_data *vc, int lines)
offset += limit;
else if (offset >= limit)
offset -= limit;
- info->var.xoffset = 0;
- info->var.yoffset = offset * vc->vc_font.height;
- update_var(vc->vc_num, info);
+
+ ops->var.xoffset = 0;
+ ops->var.yoffset = offset * vc->vc_font.height;
+ ops->update_start(info);
+
if (!scrollback_current)
fbcon_cursor(vc, CM_DRAW);
return 0;
@@ -2570,22 +2722,25 @@ static void fbcon_modechanged(struct fb_info *info)
if (!ops || ops->currcon < 0)
return;
vc = vc_cons[ops->currcon].d;
- if (vc->vc_mode != KD_TEXT || registered_fb[con2fb_map[ops->currcon]] != info)
+ if (vc->vc_mode != KD_TEXT ||
+ registered_fb[con2fb_map[ops->currcon]] != info)
return;
p = &fb_display[vc->vc_num];
-
- info->var.xoffset = info->var.yoffset = p->yscroll = 0;
+ set_blitting_type(vc, info, p);
if (CON_IS_VISIBLE(vc)) {
var_to_display(p, &info->var, info);
- cols = info->var.xres / vc->vc_font.width;
- rows = info->var.yres / vc->vc_font.height;
+ cols = FBCON_SWAP(ops->rotate, info->var.xres, info->var.yres);
+ rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
+ cols /= vc->vc_font.width;
+ rows /= vc->vc_font.height;
vc_resize(vc, cols, rows);
updatescrollmode(p, info, vc);
scrollback_max = 0;
scrollback_current = 0;
- update_var(vc->vc_num, info);
+ ops->var.xoffset = ops->var.yoffset = p->yscroll = 0;
+ ops->update_start(info);
fbcon_set_palette(vc, color_table);
update_screen(vc);
if (softback_buf)
@@ -2610,18 +2765,20 @@ static void fbcon_set_all_vcs(struct fb_info *info)
continue;
p = &fb_display[vc->vc_num];
-
- info->var.xoffset = info->var.yoffset = p->yscroll = 0;
+ set_blitting_type(vc, info, p);
var_to_display(p, &info->var, info);
- cols = info->var.xres / vc->vc_font.width;
- rows = info->var.yres / vc->vc_font.height;
+ cols = FBCON_SWAP(ops->rotate, info->var.xres, info->var.yres);
+ rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
+ cols /= vc->vc_font.width;
+ rows /= vc->vc_font.height;
vc_resize(vc, cols, rows);
if (CON_IS_VISIBLE(vc)) {
updatescrollmode(p, info, vc);
scrollback_max = 0;
scrollback_current = 0;
- update_var(vc->vc_num, info);
+ ops->var.xoffset = ops->var.yoffset = p->yscroll = 0;
+ ops->update_start(info);
fbcon_set_palette(vc, color_table);
update_screen(vc);
if (softback_buf)
@@ -2771,6 +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;
diff --git a/drivers/video/console/fbcon.h b/drivers/video/console/fbcon.h
index b68e0e2..accfd7bd 100644
--- a/drivers/video/console/fbcon.h
+++ b/drivers/video/console/fbcon.h
@@ -27,15 +27,15 @@
*/
struct display {
- /* Filled in by the frame buffer device */
- u_short inverse; /* != 0 text black on white as default */
/* Filled in by the low-level console driver */
const u_char *fontdata;
int userfont; /* != 0 if fontdata kmalloc()ed */
u_short scrollmode; /* Scroll Method */
+ u_short inverse; /* != 0 text black on white as default */
short yscroll; /* Hardware scrolling */
int vrows; /* number of virtual rows */
int cursor_shape;
+ int con_rotate;
u32 xres_virtual;
u32 yres_virtual;
u32 height;
@@ -52,6 +52,8 @@ struct display {
struct fb_videomode *mode;
};
+extern struct display fb_display[];
+
struct fbcon_ops {
void (*bmove)(struct vc_data *vc, struct fb_info *info, int sy,
int sx, int dy, int dx, int height, int width);
@@ -63,8 +65,12 @@ struct fbcon_ops {
void (*clear_margins)(struct vc_data *vc, struct fb_info *info,
int bottom_only);
void (*cursor)(struct vc_data *vc, struct fb_info *info,
- struct display *p, int mode, int softback_lines, int fg, int bg);
-
+ struct display *p, int mode, int softback_lines,
+ int fg, int bg);
+ int (*update_start)(struct fb_info *info);
+ int (*rotate_font)(struct fb_info *info, struct vc_data *vc,
+ struct display *p);
+ struct fb_var_screeninfo var; /* copy of the current fb_var_screeninfo */
struct timer_list cursor_timer; /* Cursor timer */
struct fb_cursor cursor_state;
int currcon; /* Current VC. */
@@ -73,7 +79,12 @@ struct fbcon_ops {
int blank_state;
int graphics;
int flags;
+ int rotate;
+ int cur_rotate;
char *cursor_data;
+ u8 *fontbuffer;
+ u8 *fontdata;
+ u32 fd_size;
};
/*
* Attribute Decoding
@@ -168,4 +179,47 @@ extern void fbcon_set_tileops(struct vc_data *vc, struct fb_info *info,
#endif
extern void fbcon_set_bitops(struct fbcon_ops *ops);
extern int soft_cursor(struct fb_info *info, struct fb_cursor *cursor);
+
+#define FBCON_ATTRIBUTE_UNDERLINE 1
+#define FBCON_ATTRIBUTE_REVERSE 2
+#define FBCON_ATTRIBUTE_BOLD 4
+
+static inline int real_y(struct display *p, int ypos)
+{
+ int rows = p->vrows;
+
+ ypos += p->yscroll;
+ return ypos < rows ? ypos : ypos - rows;
+}
+
+
+static inline int get_attribute(struct fb_info *info, u16 c)
+{
+ int attribute = 0;
+
+ if (fb_get_color_depth(&info->var, &info->fix) == 1) {
+ if (attr_underline(c))
+ attribute |= FBCON_ATTRIBUTE_UNDERLINE;
+ if (attr_reverse(c))
+ attribute |= FBCON_ATTRIBUTE_REVERSE;
+ if (attr_bold(c))
+ attribute |= FBCON_ATTRIBUTE_BOLD;
+ }
+
+ return attribute;
+}
+
+#define FBCON_SWAP(i,r,v) ({ \
+ typeof(r) _r = (r); \
+ typeof(v) _v = (v); \
+ (void) (&_r == &_v); \
+ (i == FB_ROTATE_UR || i == FB_ROTATE_UD) ? _r : _v; })
+
+#ifdef CONFIG_FRAMEBUFFER_CONSOLE_ROTATION
+extern void fbcon_set_rotate(struct fbcon_ops *ops);
+#else
+#define fbcon_set_rotate(x) do {} while(0)
+#endif /* CONFIG_FRAMEBUFFER_CONSOLE_ROTATION */
+
#endif /* _VIDEO_FBCON_H */
+
diff --git a/drivers/video/console/fbcon_ccw.c b/drivers/video/console/fbcon_ccw.c
new file mode 100644
index 0000000..680aaba
--- /dev/null
+++ b/drivers/video/console/fbcon_ccw.c
@@ -0,0 +1,428 @@
+/*
+ * linux/drivers/video/console/fbcon_ccw.c -- Software Rotation - 270 degrees
+ *
+ * Copyright (C) 2005 Antonino Daplas <adaplas @pol.net>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/fb.h>
+#include <linux/vt_kern.h>
+#include <linux/console.h>
+#include <asm/types.h>
+#include "fbcon.h"
+#include "fbcon_rotate.h"
+
+/*
+ * Rotation 270 degrees
+ */
+
+static inline void ccw_update_attr(u8 *dst, u8 *src, int attribute,
+ struct vc_data *vc)
+{
+ int i, j, offset = (vc->vc_font.height < 10) ? 1 : 2;
+ int width = (vc->vc_font.height + 7) >> 3;
+ int mod = vc->vc_font.height % 8;
+ u8 c, msk = ~(0xff << offset), msk1 = 0;
+
+ if (mod)
+ msk <<= (8 - mod);
+
+ if (offset > mod)
+ set_bit(FBCON_BIT(7), (void *)&msk1);
+
+ for (i = 0; i < vc->vc_font.width; i++) {
+ for (j = 0; j < width; j++) {
+ c = *src;
+
+ if (attribute & FBCON_ATTRIBUTE_UNDERLINE) {
+ if (j == width - 1)
+ c |= msk;
+
+ if (msk1 && j == width - 2)
+ c |= msk1;
+ }
+
+ if (attribute & FBCON_ATTRIBUTE_BOLD && i)
+ *(dst - width) |= c;
+
+ if (attribute & FBCON_ATTRIBUTE_REVERSE)
+ c = ~c;
+ src++;
+ *dst++ = c;
+ }
+ }
+}
+
+
+static void ccw_bmove(struct vc_data *vc, struct fb_info *info, int sy,
+ int sx, int dy, int dx, int height, int width)
+{
+ struct display *p = &fb_display[vc->vc_num];
+ struct fb_copyarea area;
+ u32 vyres = GETVYRES(p->scrollmode, info);
+
+ area.sx = sy * vc->vc_font.height;
+ area.sy = vyres - ((sx + width) * vc->vc_font.width);
+ area.dx = dy * vc->vc_font.height;
+ area.dy = vyres - ((dx + width) * vc->vc_font.width);
+ area.width = height * vc->vc_font.height;
+ area.height = width * vc->vc_font.width;
+
+ info->fbops->fb_copyarea(info, &area);
+}
+
+static void ccw_clear(struct vc_data *vc, struct fb_info *info, int sy,
+ int sx, int height, int width)
+{
+ struct display *p = &fb_display[vc->vc_num];
+ struct fb_fillrect region;
+ int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
+ u32 vyres = GETVYRES(p->scrollmode, info);
+
+ region.color = attr_bgcol_ec(bgshift,vc);
+ region.dx = sy * vc->vc_font.height;
+ region.dy = vyres - ((sx + width) * vc->vc_font.width);
+ region.height = width * vc->vc_font.width;
+ region.width = height * vc->vc_font.height;
+ region.rop = ROP_COPY;
+
+ info->fbops->fb_fillrect(info, &region);
+}
+
+static inline void ccw_putcs_aligned(struct vc_data *vc, struct fb_info *info,
+ const u16 *s, u32 attr, u32 cnt,
+ u32 d_pitch, u32 s_pitch, u32 cellsize,
+ struct fb_image *image, u8 *buf, u8 *dst)
+{
+ struct fbcon_ops *ops = info->fbcon_par;
+ u16 charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;
+ u32 idx = (vc->vc_font.height + 7) >> 3;
+ u8 *src;
+
+ while (cnt--) {
+ src = ops->fontbuffer + (scr_readw(s--) & charmask)*cellsize;
+
+ if (attr) {
+ ccw_update_attr(buf, src, attr, vc);
+ src = buf;
+ }
+
+ if (likely(idx == 1))
+ __fb_pad_aligned_buffer(dst, d_pitch, src, idx,
+ vc->vc_font.width);
+ else
+ fb_pad_aligned_buffer(dst, d_pitch, src, idx,
+ vc->vc_font.width);
+
+ dst += d_pitch * vc->vc_font.width;
+ }
+
+ info->fbops->fb_imageblit(info, image);
+}
+
+static void ccw_putcs(struct vc_data *vc, struct fb_info *info,
+ const unsigned short *s, int count, int yy, int xx,
+ int fg, int bg)
+{
+ struct fb_image image;
+ struct display *p = &fb_display[vc->vc_num];
+ struct fbcon_ops *ops = info->fbcon_par;
+ u32 width = (vc->vc_font.height + 7)/8;
+ u32 cellsize = width * vc->vc_font.width;
+ u32 maxcnt = info->pixmap.size/cellsize;
+ u32 scan_align = info->pixmap.scan_align - 1;
+ u32 buf_align = info->pixmap.buf_align - 1;
+ u32 cnt, pitch, size;
+ u32 attribute = get_attribute(info, scr_readw(s));
+ u8 *dst, *buf = NULL;
+ u32 vyres = GETVYRES(p->scrollmode, info);
+
+ if (!ops->fontbuffer)
+ return;
+
+ image.fg_color = fg;
+ image.bg_color = bg;
+ image.dx = yy * vc->vc_font.height;
+ image.dy = vyres - ((xx + count) * vc->vc_font.width);
+ image.width = vc->vc_font.height;
+ image.depth = 1;
+
+ if (attribute) {
+ buf = kmalloc(cellsize, GFP_KERNEL);
+ if (!buf)
+ return;
+ }
+
+ s += count - 1;
+
+ while (count) {
+ if (count > maxcnt)
+ cnt = maxcnt;
+ else
+ cnt = count;
+
+ image.height = vc->vc_font.width * cnt;
+ pitch = ((image.width + 7) >> 3) + scan_align;
+ pitch &= ~scan_align;
+ size = pitch * image.height + buf_align;
+ size &= ~buf_align;
+ dst = fb_get_buffer_offset(info, &info->pixmap, size);
+ image.data = dst;
+ ccw_putcs_aligned(vc, info, s, attribute, cnt, pitch,
+ width, cellsize, &image, buf, dst);
+ image.dy += image.height;
+ count -= cnt;
+ s -= cnt;
+ }
+
+ /* buf is always NULL except when in monochrome mode, so in this case
+ it's a gain to check buf against NULL even though kfree() handles
+ NULL pointers just fine */
+ if (unlikely(buf))
+ kfree(buf);
+
+}
+
+static void ccw_clear_margins(struct vc_data *vc, struct fb_info *info,
+ int bottom_only)
+{
+ unsigned int cw = vc->vc_font.width;
+ unsigned int ch = vc->vc_font.height;
+ unsigned int rw = info->var.yres - (vc->vc_cols*cw);
+ unsigned int bh = info->var.xres - (vc->vc_rows*ch);
+ unsigned int bs = vc->vc_rows*ch;
+ struct fb_fillrect region;
+ int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
+
+ region.color = attr_bgcol_ec(bgshift,vc);
+ region.rop = ROP_COPY;
+
+ if (rw && !bottom_only) {
+ region.dx = 0;
+ region.dy = info->var.yoffset;
+ region.height = rw;
+ region.width = info->var.xres_virtual;
+ info->fbops->fb_fillrect(info, &region);
+ }
+
+ if (bh) {
+ region.dx = info->var.xoffset + bs;
+ region.dy = 0;
+ region.height = info->var.yres_virtual;
+ region.width = bh;
+ info->fbops->fb_fillrect(info, &region);
+ }
+}
+
+static void ccw_cursor(struct vc_data *vc, struct fb_info *info,
+ struct display *p, int mode, int softback_lines,
+ int fg, int bg)
+{
+ struct fb_cursor cursor;
+ struct fbcon_ops *ops = (struct fbcon_ops *) info->fbcon_par;
+ unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;
+ int w = (vc->vc_font.height + 7) >> 3, c;
+ int y = real_y(p, vc->vc_y);
+ int attribute, use_sw = (vc->vc_cursor_type & 0x10);
+ int err = 1, dx, dy;
+ char *src;
+ u32 vyres = GETVYRES(p->scrollmode, info);
+
+ if (!ops->fontbuffer)
+ return;
+
+ cursor.set = 0;
+
+ if (softback_lines) {
+ if (y + softback_lines >= vc->vc_rows) {
+ mode = CM_ERASE;
+ ops->cursor_flash = 0;
+ return;
+ } else
+ y += softback_lines;
+ }
+
+ c = scr_readw((u16 *) vc->vc_pos);
+ attribute = get_attribute(info, c);
+ src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.width));
+
+ if (ops->cursor_state.image.data != src ||
+ ops->cursor_reset) {
+ ops->cursor_state.image.data = src;
+ cursor.set |= FB_CUR_SETIMAGE;
+ }
+
+ if (attribute) {
+ u8 *dst;
+
+ dst = kmalloc(w * vc->vc_font.width, GFP_ATOMIC);
+ if (!dst)
+ return;
+ kfree(ops->cursor_data);
+ ops->cursor_data = dst;
+ ccw_update_attr(dst, src, attribute, vc);
+ src = dst;
+ }
+
+ if (ops->cursor_state.image.fg_color != fg ||
+ ops->cursor_state.image.bg_color != bg ||
+ ops->cursor_reset) {
+ ops->cursor_state.image.fg_color = fg;
+ ops->cursor_state.image.bg_color = bg;
+ cursor.set |= FB_CUR_SETCMAP;
+ }
+
+ if (ops->cursor_state.image.height != vc->vc_font.width ||
+ ops->cursor_state.image.width != vc->vc_font.height ||
+ ops->cursor_reset) {
+ ops->cursor_state.image.height = vc->vc_font.width;
+ ops->cursor_state.image.width = vc->vc_font.height;
+ cursor.set |= FB_CUR_SETSIZE;
+ }
+
+ dx = y * vc->vc_font.height;
+ dy = vyres - ((vc->vc_x + 1) * vc->vc_font.width);
+
+ if (ops->cursor_state.image.dx != dx ||
+ ops->cursor_state.image.dy != dy ||
+ ops->cursor_reset) {
+ ops->cursor_state.image.dx = dx;
+ ops->cursor_state.image.dy = dy;
+ cursor.set |= FB_CUR_SETPOS;
+ }
+
+ if (ops->cursor_state.hot.x || ops->cursor_state.hot.y ||
+ ops->cursor_reset) {
+ ops->cursor_state.hot.x = cursor.hot.y = 0;
+ cursor.set |= FB_CUR_SETHOT;
+ }
+
+ if (cursor.set & FB_CUR_SETSIZE ||
+ vc->vc_cursor_type != p->cursor_shape ||
+ ops->cursor_state.mask == NULL ||
+ ops->cursor_reset) {
+ char *tmp, *mask = kmalloc(w*vc->vc_font.width, GFP_ATOMIC);
+ int cur_height, size, i = 0;
+ int width = (vc->vc_font.width + 7)/8;
+
+ if (!mask)
+ return;
+
+ tmp = kmalloc(width * vc->vc_font.height, GFP_ATOMIC);
+
+ if (!tmp) {
+ kfree(mask);
+ return;
+ }
+
+ kfree(ops->cursor_state.mask);
+ ops->cursor_state.mask = mask;
+
+ p->cursor_shape = vc->vc_cursor_type;
+ cursor.set |= FB_CUR_SETSHAPE;
+
+ switch (p->cursor_shape & CUR_HWMASK) {
+ case CUR_NONE:
+ cur_height = 0;
+ break;
+ case CUR_UNDERLINE:
+ cur_height = (vc->vc_font.height < 10) ? 1 : 2;
+ break;
+ case CUR_LOWER_THIRD:
+ cur_height = vc->vc_font.height/3;
+ break;
+ case CUR_LOWER_HALF:
+ cur_height = vc->vc_font.height >> 1;
+ break;
+ case CUR_TWO_THIRDS:
+ cur_height = (vc->vc_font.height << 1)/3;
+ break;
+ case CUR_BLOCK:
+ default:
+ cur_height = vc->vc_font.height;
+ break;
+ }
+
+ size = (vc->vc_font.height - cur_height) * width;
+ while (size--)
+ tmp[i++] = 0;
+ size = cur_height * width;
+ while (size--)
+ tmp[i++] = 0xff;
+ memset(mask, 0, w * vc->vc_font.width);
+ rotate_ccw(tmp, mask, vc->vc_font.width, vc->vc_font.height);
+ kfree(tmp);
+ }
+
+ switch (mode) {
+ case CM_ERASE:
+ ops->cursor_state.enable = 0;
+ break;
+ case CM_DRAW:
+ case CM_MOVE:
+ default:
+ ops->cursor_state.enable = (use_sw) ? 0 : 1;
+ break;
+ }
+
+ cursor.image.data = src;
+ cursor.image.fg_color = ops->cursor_state.image.fg_color;
+ cursor.image.bg_color = ops->cursor_state.image.bg_color;
+ cursor.image.dx = ops->cursor_state.image.dx;
+ cursor.image.dy = ops->cursor_state.image.dy;
+ cursor.image.height = ops->cursor_state.image.height;
+ cursor.image.width = ops->cursor_state.image.width;
+ cursor.hot.x = ops->cursor_state.hot.x;
+ cursor.hot.y = ops->cursor_state.hot.y;
+ cursor.mask = ops->cursor_state.mask;
+ cursor.enable = ops->cursor_state.enable;
+ cursor.image.depth = 1;
+ cursor.rop = ROP_XOR;
+
+ if (info->fbops->fb_cursor)
+ err = info->fbops->fb_cursor(info, &cursor);
+
+ if (err)
+ soft_cursor(info, &cursor);
+
+ ops->cursor_reset = 0;
+}
+
+int ccw_update_start(struct fb_info *info)
+{
+ struct fbcon_ops *ops = info->fbcon_par;
+ struct display *p = &fb_display[ops->currcon];
+ u32 yoffset;
+ u32 vyres = GETVYRES(p->scrollmode, info);
+ int err;
+
+ yoffset = (vyres - info->var.yres) - ops->var.xoffset;
+ ops->var.xoffset = ops->var.yoffset;
+ ops->var.yoffset = yoffset;
+ err = fb_pan_display(info, &ops->var);
+ ops->var.xoffset = info->var.xoffset;
+ ops->var.yoffset = info->var.yoffset;
+ ops->var.vmode = info->var.vmode;
+ return err;
+}
+
+void fbcon_rotate_ccw(struct fbcon_ops *ops)
+{
+ ops->bmove = ccw_bmove;
+ ops->clear = ccw_clear;
+ ops->putcs = ccw_putcs;
+ ops->clear_margins = ccw_clear_margins;
+ ops->cursor = ccw_cursor;
+ ops->update_start = ccw_update_start;
+}
+EXPORT_SYMBOL(fbcon_rotate_ccw);
+
+MODULE_AUTHOR("Antonino Daplas <adaplas@pol.net>");
+MODULE_DESCRIPTION("Console Rotation (270 degrees) Support");
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/console/fbcon_cw.c b/drivers/video/console/fbcon_cw.c
new file mode 100644
index 0000000..6c6f3b6
--- /dev/null
+++ b/drivers/video/console/fbcon_cw.c
@@ -0,0 +1,412 @@
+/*
+ * linux/drivers/video/console/fbcon_ud.c -- Software Rotation - 90 degrees
+ *
+ * Copyright (C) 2005 Antonino Daplas <adaplas @pol.net>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/fb.h>
+#include <linux/vt_kern.h>
+#include <linux/console.h>
+#include <asm/types.h>
+#include "fbcon.h"
+#include "fbcon_rotate.h"
+
+/*
+ * Rotation 90 degrees
+ */
+
+static inline void cw_update_attr(u8 *dst, u8 *src, int attribute,
+ struct vc_data *vc)
+{
+ int i, j, offset = (vc->vc_font.height < 10) ? 1 : 2;
+ int width = (vc->vc_font.height + 7) >> 3;
+ u8 c, t = 0, msk = ~(0xff >> offset);
+
+ for (i = 0; i < vc->vc_font.width; i++) {
+ for (j = 0; j < width; j++) {
+ c = *src;
+ if (attribute & FBCON_ATTRIBUTE_UNDERLINE && !j)
+ c |= msk;
+ if (attribute & FBCON_ATTRIBUTE_BOLD && i)
+ c |= *(src-width);
+ if (attribute & FBCON_ATTRIBUTE_REVERSE)
+ c = ~c;
+ src++;
+ *dst++ = c;
+ t = c;
+ }
+ }
+}
+
+
+static void cw_bmove(struct vc_data *vc, struct fb_info *info, int sy,
+ int sx, int dy, int dx, int height, int width)
+{
+ struct display *p = &fb_display[vc->vc_num];
+ struct fb_copyarea area;
+ u32 vxres = GETVXRES(p->scrollmode, info);
+
+ area.sx = vxres - ((sy + height) * vc->vc_font.height);
+ area.sy = sx * vc->vc_font.width;
+ area.dx = vxres - ((dy + height) * vc->vc_font.height);
+ area.dy = dx * vc->vc_font.width;
+ area.width = height * vc->vc_font.height;
+ area.height = width * vc->vc_font.width;
+
+ info->fbops->fb_copyarea(info, &area);
+}
+
+static void cw_clear(struct vc_data *vc, struct fb_info *info, int sy,
+ int sx, int height, int width)
+{
+ struct display *p = &fb_display[vc->vc_num];
+ struct fb_fillrect region;
+ int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
+ u32 vxres = GETVXRES(p->scrollmode, info);
+
+ region.color = attr_bgcol_ec(bgshift,vc);
+ region.dx = vxres - ((sy + height) * vc->vc_font.height);
+ region.dy = sx * vc->vc_font.width;
+ region.height = width * vc->vc_font.width;
+ region.width = height * vc->vc_font.height;
+ region.rop = ROP_COPY;
+
+ info->fbops->fb_fillrect(info, &region);
+}
+
+static inline void cw_putcs_aligned(struct vc_data *vc, struct fb_info *info,
+ const u16 *s, u32 attr, u32 cnt,
+ u32 d_pitch, u32 s_pitch, u32 cellsize,
+ struct fb_image *image, u8 *buf, u8 *dst)
+{
+ struct fbcon_ops *ops = info->fbcon_par;
+ u16 charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;
+ u32 idx = (vc->vc_font.height + 7) >> 3;
+ u8 *src;
+
+ while (cnt--) {
+ src = ops->fontbuffer + (scr_readw(s++) & charmask)*cellsize;
+
+ if (attr) {
+ cw_update_attr(buf, src, attr, vc);
+ src = buf;
+ }
+
+ if (likely(idx == 1))
+ __fb_pad_aligned_buffer(dst, d_pitch, src, idx,
+ vc->vc_font.width);
+ else
+ fb_pad_aligned_buffer(dst, d_pitch, src, idx,
+ vc->vc_font.width);
+
+ dst += d_pitch * vc->vc_font.width;
+ }
+
+ info->fbops->fb_imageblit(info, image);
+}
+
+static void cw_putcs(struct vc_data *vc, struct fb_info *info,
+ const unsigned short *s, int count, int yy, int xx,
+ int fg, int bg)
+{
+ struct fb_image image;
+ struct display *p = &fb_display[vc->vc_num];
+ struct fbcon_ops *ops = info->fbcon_par;
+ u32 width = (vc->vc_font.height + 7)/8;
+ u32 cellsize = width * vc->vc_font.width;
+ u32 maxcnt = info->pixmap.size/cellsize;
+ u32 scan_align = info->pixmap.scan_align - 1;
+ u32 buf_align = info->pixmap.buf_align - 1;
+ u32 cnt, pitch, size;
+ u32 attribute = get_attribute(info, scr_readw(s));
+ u8 *dst, *buf = NULL;
+ u32 vxres = GETVXRES(p->scrollmode, info);
+
+ if (!ops->fontbuffer)
+ return;
+
+ image.fg_color = fg;
+ image.bg_color = bg;
+ image.dx = vxres - ((yy + 1) * vc->vc_font.height);
+ image.dy = xx * vc->vc_font.width;
+ image.width = vc->vc_font.height;
+ image.depth = 1;
+
+ if (attribute) {
+ buf = kmalloc(cellsize, GFP_KERNEL);
+ if (!buf)
+ return;
+ }
+
+ while (count) {
+ if (count > maxcnt)
+ cnt = maxcnt;
+ else
+ cnt = count;
+
+ image.height = vc->vc_font.width * cnt;
+ pitch = ((image.width + 7) >> 3) + scan_align;
+ pitch &= ~scan_align;
+ size = pitch * image.height + buf_align;
+ size &= ~buf_align;
+ dst = fb_get_buffer_offset(info, &info->pixmap, size);
+ image.data = dst;
+ cw_putcs_aligned(vc, info, s, attribute, cnt, pitch,
+ width, cellsize, &image, buf, dst);
+ image.dy += image.height;
+ count -= cnt;
+ s += cnt;
+ }
+
+ /* buf is always NULL except when in monochrome mode, so in this case
+ it's a gain to check buf against NULL even though kfree() handles
+ NULL pointers just fine */
+ if (unlikely(buf))
+ kfree(buf);
+
+}
+
+static void cw_clear_margins(struct vc_data *vc, struct fb_info *info,
+ int bottom_only)
+{
+ unsigned int cw = vc->vc_font.width;
+ unsigned int ch = vc->vc_font.height;
+ unsigned int rw = info->var.yres - (vc->vc_cols*cw);
+ unsigned int bh = info->var.xres - (vc->vc_rows*ch);
+ unsigned int rs = info->var.yres - rw;
+ struct fb_fillrect region;
+ int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
+
+ region.color = attr_bgcol_ec(bgshift,vc);
+ region.rop = ROP_COPY;
+
+ if (rw && !bottom_only) {
+ region.dx = 0;
+ region.dy = info->var.yoffset + rs;
+ region.height = rw;
+ region.width = info->var.xres_virtual;
+ info->fbops->fb_fillrect(info, &region);
+ }
+
+ if (bh) {
+ region.dx = info->var.xoffset;
+ region.dy = info->var.yoffset;
+ region.height = info->var.yres;
+ region.width = bh;
+ info->fbops->fb_fillrect(info, &region);
+ }
+}
+
+static void cw_cursor(struct vc_data *vc, struct fb_info *info,
+ struct display *p, int mode, int softback_lines,
+ int fg, int bg)
+{
+ struct fb_cursor cursor;
+ struct fbcon_ops *ops = (struct fbcon_ops *) info->fbcon_par;
+ unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;
+ int w = (vc->vc_font.height + 7) >> 3, c;
+ int y = real_y(p, vc->vc_y);
+ int attribute, use_sw = (vc->vc_cursor_type & 0x10);
+ int err = 1, dx, dy;
+ char *src;
+ u32 vxres = GETVXRES(p->scrollmode, info);
+
+ if (!ops->fontbuffer)
+ return;
+
+ cursor.set = 0;
+
+ if (softback_lines) {
+ if (y + softback_lines >= vc->vc_rows) {
+ mode = CM_ERASE;
+ ops->cursor_flash = 0;
+ return;
+ } else
+ y += softback_lines;
+ }
+
+ c = scr_readw((u16 *) vc->vc_pos);
+ attribute = get_attribute(info, c);
+ src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.width));
+
+ if (ops->cursor_state.image.data != src ||
+ ops->cursor_reset) {
+ ops->cursor_state.image.data = src;
+ cursor.set |= FB_CUR_SETIMAGE;
+ }
+
+ if (attribute) {
+ u8 *dst;
+
+ dst = kmalloc(w * vc->vc_font.width, GFP_ATOMIC);
+ if (!dst)
+ return;
+ kfree(ops->cursor_data);
+ ops->cursor_data = dst;
+ cw_update_attr(dst, src, attribute, vc);
+ src = dst;
+ }
+
+ if (ops->cursor_state.image.fg_color != fg ||
+ ops->cursor_state.image.bg_color != bg ||
+ ops->cursor_reset) {
+ ops->cursor_state.image.fg_color = fg;
+ ops->cursor_state.image.bg_color = bg;
+ cursor.set |= FB_CUR_SETCMAP;
+ }
+
+ if (ops->cursor_state.image.height != vc->vc_font.width ||
+ ops->cursor_state.image.width != vc->vc_font.height ||
+ ops->cursor_reset) {
+ ops->cursor_state.image.height = vc->vc_font.width;
+ ops->cursor_state.image.width = vc->vc_font.height;
+ cursor.set |= FB_CUR_SETSIZE;
+ }
+
+ dx = vxres - ((y * vc->vc_font.height) + vc->vc_font.height);
+ dy = vc->vc_x * vc->vc_font.width;
+
+ if (ops->cursor_state.image.dx != dx ||
+ ops->cursor_state.image.dy != dy ||
+ ops->cursor_reset) {
+ ops->cursor_state.image.dx = dx;
+ ops->cursor_state.image.dy = dy;
+ cursor.set |= FB_CUR_SETPOS;
+ }
+
+ if (ops->cursor_state.hot.x || ops->cursor_state.hot.y ||
+ ops->cursor_reset) {
+ ops->cursor_state.hot.x = cursor.hot.y = 0;
+ cursor.set |= FB_CUR_SETHOT;
+ }
+
+ if (cursor.set & FB_CUR_SETSIZE ||
+ vc->vc_cursor_type != p->cursor_shape ||
+ ops->cursor_state.mask == NULL ||
+ ops->cursor_reset) {
+ char *tmp, *mask = kmalloc(w*vc->vc_font.width, GFP_ATOMIC);
+ int cur_height, size, i = 0;
+ int width = (vc->vc_font.width + 7)/8;
+
+ if (!mask)
+ return;
+
+ tmp = kmalloc(width * vc->vc_font.height, GFP_ATOMIC);
+
+ if (!tmp) {
+ kfree(mask);
+ return;
+ }
+
+ kfree(ops->cursor_state.mask);
+ ops->cursor_state.mask = mask;
+
+ p->cursor_shape = vc->vc_cursor_type;
+ cursor.set |= FB_CUR_SETSHAPE;
+
+ switch (p->cursor_shape & CUR_HWMASK) {
+ case CUR_NONE:
+ cur_height = 0;
+ break;
+ case CUR_UNDERLINE:
+ cur_height = (vc->vc_font.height < 10) ? 1 : 2;
+ break;
+ case CUR_LOWER_THIRD:
+ cur_height = vc->vc_font.height/3;
+ break;
+ case CUR_LOWER_HALF:
+ cur_height = vc->vc_font.height >> 1;
+ break;
+ case CUR_TWO_THIRDS:
+ cur_height = (vc->vc_font.height << 1)/3;
+ break;
+ case CUR_BLOCK:
+ default:
+ cur_height = vc->vc_font.height;
+ break;
+ }
+
+ size = (vc->vc_font.height - cur_height) * width;
+ while (size--)
+ tmp[i++] = 0;
+ size = cur_height * width;
+ while (size--)
+ tmp[i++] = 0xff;
+ memset(mask, 0, w * vc->vc_font.width);
+ rotate_cw(tmp, mask, vc->vc_font.width, vc->vc_font.height);
+ kfree(tmp);
+ }
+
+ switch (mode) {
+ case CM_ERASE:
+ ops->cursor_state.enable = 0;
+ break;
+ case CM_DRAW:
+ case CM_MOVE:
+ default:
+ ops->cursor_state.enable = (use_sw) ? 0 : 1;
+ break;
+ }
+
+ cursor.image.data = src;
+ cursor.image.fg_color = ops->cursor_state.image.fg_color;
+ cursor.image.bg_color = ops->cursor_state.image.bg_color;
+ cursor.image.dx = ops->cursor_state.image.dx;
+ cursor.image.dy = ops->cursor_state.image.dy;
+ cursor.image.height = ops->cursor_state.image.height;
+ cursor.image.width = ops->cursor_state.image.width;
+ cursor.hot.x = ops->cursor_state.hot.x;
+ cursor.hot.y = ops->cursor_state.hot.y;
+ cursor.mask = ops->cursor_state.mask;
+ cursor.enable = ops->cursor_state.enable;
+ cursor.image.depth = 1;
+ cursor.rop = ROP_XOR;
+
+ if (info->fbops->fb_cursor)
+ err = info->fbops->fb_cursor(info, &cursor);
+
+ if (err)
+ soft_cursor(info, &cursor);
+
+ ops->cursor_reset = 0;
+}
+
+int cw_update_start(struct fb_info *info)
+{
+ struct fbcon_ops *ops = info->fbcon_par;
+ struct display *p = &fb_display[ops->currcon];
+ u32 vxres = GETVXRES(p->scrollmode, info);
+ u32 xoffset;
+ int err;
+
+ xoffset = vxres - (info->var.xres + ops->var.yoffset);
+ ops->var.yoffset = ops->var.xoffset;
+ ops->var.xoffset = xoffset;
+ err = fb_pan_display(info, &ops->var);
+ ops->var.xoffset = info->var.xoffset;
+ ops->var.yoffset = info->var.yoffset;
+ ops->var.vmode = info->var.vmode;
+ return err;
+}
+
+void fbcon_rotate_cw(struct fbcon_ops *ops)
+{
+ ops->bmove = cw_bmove;
+ ops->clear = cw_clear;
+ ops->putcs = cw_putcs;
+ ops->clear_margins = cw_clear_margins;
+ ops->cursor = cw_cursor;
+ ops->update_start = cw_update_start;
+}
+EXPORT_SYMBOL(fbcon_rotate_cw);
+
+MODULE_AUTHOR("Antonino Daplas <adaplas@pol.net>");
+MODULE_DESCRIPTION("Console Rotation (90 degrees) Support");
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/console/fbcon_rotate.c b/drivers/video/console/fbcon_rotate.c
new file mode 100644
index 0000000..ec0dd8f
--- /dev/null
+++ b/drivers/video/console/fbcon_rotate.c
@@ -0,0 +1,117 @@
+/*
+ * linux/drivers/video/console/fbcon_rotate.c -- Software Rotation
+ *
+ * Copyright (C) 2005 Antonino Daplas <adaplas @pol.net>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/fb.h>
+#include <linux/vt_kern.h>
+#include <linux/console.h>
+#include <asm/types.h>
+#include "fbcon.h"
+#include "fbcon_rotate.h"
+
+static int fbcon_rotate_font(struct fb_info *info, struct vc_data *vc,
+ struct display *p)
+{
+ struct fbcon_ops *ops = info->fbcon_par;
+ int len, err = 0;
+ int s_cellsize, d_cellsize, i;
+ const u8 *src;
+ u8 *dst;
+
+ if (vc->vc_font.data == ops->fontdata &&
+ p->con_rotate == ops->cur_rotate)
+ goto finished;
+
+ src = ops->fontdata = vc->vc_font.data;
+ ops->cur_rotate = p->con_rotate;
+ len = (!p->userfont) ? 256 : FNTCHARCNT(src);
+ s_cellsize = ((vc->vc_font.width + 7)/8) *
+ vc->vc_font.height;
+ d_cellsize = s_cellsize;
+
+ if (ops->rotate == FB_ROTATE_CW ||
+ ops->rotate == FB_ROTATE_CCW)
+ d_cellsize = ((vc->vc_font.height + 7)/8) *
+ vc->vc_font.width;
+
+ if (info->fbops->fb_sync)
+ info->fbops->fb_sync(info);
+
+ if (ops->fd_size < d_cellsize * len) {
+ dst = kmalloc(d_cellsize * len, GFP_KERNEL);
+
+ if (dst == NULL) {
+ err = -ENOMEM;
+ goto finished;
+ }
+
+ ops->fd_size = d_cellsize * len;
+ kfree(ops->fontbuffer);
+ ops->fontbuffer = dst;
+ }
+
+ dst = ops->fontbuffer;
+ memset(dst, 0, ops->fd_size);
+
+ switch (ops->rotate) {
+ case FB_ROTATE_UD:
+ for (i = len; i--; ) {
+ rotate_ud(src, dst, vc->vc_font.width,
+ vc->vc_font.height);
+
+ src += s_cellsize;
+ dst += d_cellsize;
+ }
+ break;
+ case FB_ROTATE_CW:
+ for (i = len; i--; ) {
+ rotate_cw(src, dst, vc->vc_font.width,
+ vc->vc_font.height);
+ src += s_cellsize;
+ dst += d_cellsize;
+ }
+ break;
+ case FB_ROTATE_CCW:
+ for (i = len; i--; ) {
+ rotate_ccw(src, dst, vc->vc_font.width,
+ vc->vc_font.height);
+ src += s_cellsize;
+ dst += d_cellsize;
+ }
+ break;
+ }
+
+finished:
+ return err;
+}
+
+void fbcon_set_rotate(struct fbcon_ops *ops)
+{
+ ops->rotate_font = fbcon_rotate_font;
+
+ switch(ops->rotate) {
+ case FB_ROTATE_CW:
+ fbcon_rotate_cw(ops);
+ break;
+ case FB_ROTATE_UD:
+ fbcon_rotate_ud(ops);
+ break;
+ case FB_ROTATE_CCW:
+ fbcon_rotate_ccw(ops);
+ break;
+ }
+}
+EXPORT_SYMBOL(fbcon_set_rotate);
+
+MODULE_AUTHOR("Antonino Daplas <adaplas@pol.net>");
+MODULE_DESCRIPTION("Console Rotation Support");
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/console/fbcon_rotate.h b/drivers/video/console/fbcon_rotate.h
new file mode 100644
index 0000000..90c6720
--- /dev/null
+++ b/drivers/video/console/fbcon_rotate.h
@@ -0,0 +1,105 @@
+/*
+ * linux/drivers/video/console/fbcon_rotate.h -- Software Display Rotation
+ *
+ * Copyright (C) 2005 Antonino Daplas <adaplas@pol.net>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _FBCON_ROTATE_H
+#define _FBCON_ROTATE_H
+
+#define FNTCHARCNT(fd) (((int *)(fd))[-3])
+
+#define GETVYRES(s,i) ({ \
+ (s == SCROLL_REDRAW || s == SCROLL_MOVE) ? \
+ (i)->var.yres : (i)->var.yres_virtual; })
+
+#define GETVXRES(s,i) ({ \
+ (s == SCROLL_REDRAW || s == SCROLL_MOVE || !(i)->fix.xpanstep) ? \
+ (i)->var.xres : (i)->var.xres_virtual; })
+
+/*
+ * The bitmap is always big endian
+ */
+#if defined(__LITTLE_ENDIAN)
+#define FBCON_BIT(b) (7 - (b))
+#else
+#define FBCON_BIT(b) (b)
+#endif
+
+static inline int pattern_test_bit(u32 x, u32 y, u32 pitch, const char *pat)
+{
+ u32 tmp = (y * pitch) + x, index = tmp / 8, bit = tmp % 8;
+
+ pat +=index;
+ return (test_bit(FBCON_BIT(bit), (void *)pat));
+}
+
+static inline void pattern_set_bit(u32 x, u32 y, u32 pitch, char *pat)
+{
+ u32 tmp = (y * pitch) + x, index = tmp / 8, bit = tmp % 8;
+
+ pat += index;
+ set_bit(FBCON_BIT(bit), (void *)pat);
+}
+
+static inline void rotate_ud(const char *in, char *out, u32 width, u32 height)
+{
+ int i, j;
+ int shift = width % 8;
+
+ width = (width + 7) & ~7;
+
+ for (i = 0; i < height; i++) {
+ for (j = 0; j < width; j++) {
+ if (pattern_test_bit(j, i, width, in))
+ pattern_set_bit(width - (1 + j + shift),
+ height - (1 + i),
+ width, out);
+ }
+
+ }
+}
+
+static inline void rotate_cw(const char *in, char *out, u32 width, u32 height)
+{
+ int i, j, h = height, w = width;
+ int shift = (8 - (height % 8)) & 7;
+
+ width = (width + 7) & ~7;
+ height = (height + 7) & ~7;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ if (pattern_test_bit(j, i, width, in))
+ pattern_set_bit(height - 1 - i - shift, j,
+ height, out);
+
+ }
+ }
+}
+
+static inline void rotate_ccw(const char *in, char *out, u32 width, u32 height)
+{
+ int i, j, h = height, w = width;
+ int shift = width % 8;
+
+ width = (width + 7) & ~7;
+ height = (height + 7) & ~7;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ if (pattern_test_bit(j, i, width, in))
+ pattern_set_bit(i, width - 1 - j - shift,
+ height, out);
+ }
+ }
+}
+
+extern void fbcon_rotate_cw(struct fbcon_ops *ops);
+extern void fbcon_rotate_ud(struct fbcon_ops *ops);
+extern void fbcon_rotate_ccw(struct fbcon_ops *ops);
+#endif
diff --git a/drivers/video/console/fbcon_ud.c b/drivers/video/console/fbcon_ud.c
new file mode 100644
index 0000000..2e1d9d4
--- /dev/null
+++ b/drivers/video/console/fbcon_ud.c
@@ -0,0 +1,454 @@
+/*
+ * linux/drivers/video/console/fbcon_ud.c -- Software Rotation - 180 degrees
+ *
+ * Copyright (C) 2005 Antonino Daplas <adaplas @pol.net>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/fb.h>
+#include <linux/vt_kern.h>
+#include <linux/console.h>
+#include <asm/types.h>
+#include "fbcon.h"
+#include "fbcon_rotate.h"
+
+/*
+ * Rotation 180 degrees
+ */
+
+static inline void ud_update_attr(u8 *dst, u8 *src, int attribute,
+ struct vc_data *vc)
+{
+ int i, offset = (vc->vc_font.height < 10) ? 1 : 2;
+ int width = (vc->vc_font.width + 7) >> 3;
+ unsigned int cellsize = vc->vc_font.height * width;
+ u8 c;
+
+ offset = offset * width;
+
+ for (i = 0; i < cellsize; i++) {
+ c = src[i];
+ if (attribute & FBCON_ATTRIBUTE_UNDERLINE && i < offset)
+ c = 0xff;
+ if (attribute & FBCON_ATTRIBUTE_BOLD)
+ c |= c << 1;
+ if (attribute & FBCON_ATTRIBUTE_REVERSE)
+ c = ~c;
+ dst[i] = c;
+ }
+}
+
+
+static void ud_bmove(struct vc_data *vc, struct fb_info *info, int sy,
+ int sx, int dy, int dx, int height, int width)
+{
+ struct display *p = &fb_display[vc->vc_num];
+ struct fb_copyarea area;
+ u32 vyres = GETVYRES(p->scrollmode, info);
+ u32 vxres = GETVXRES(p->scrollmode, info);
+
+ area.sy = vyres - ((sy + height) * vc->vc_font.height);
+ area.sx = vxres - ((sx + width) * vc->vc_font.width);
+ area.dy = vyres - ((dy + height) * vc->vc_font.height);
+ area.dx = vxres - ((dx + width) * vc->vc_font.width);
+ area.height = height * vc->vc_font.height;
+ area.width = width * vc->vc_font.width;
+
+ info->fbops->fb_copyarea(info, &area);
+}
+
+static void ud_clear(struct vc_data *vc, struct fb_info *info, int sy,
+ int sx, int height, int width)
+{
+ struct display *p = &fb_display[vc->vc_num];
+ struct fb_fillrect region;
+ int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
+ u32 vyres = GETVYRES(p->scrollmode, info);
+ u32 vxres = GETVXRES(p->scrollmode, info);
+
+ region.color = attr_bgcol_ec(bgshift,vc);
+ region.dy = vyres - ((sy + height) * vc->vc_font.height);
+ region.dx = vxres - ((sx + width) * vc->vc_font.width);
+ region.width = width * vc->vc_font.width;
+ region.height = height * vc->vc_font.height;
+ region.rop = ROP_COPY;
+
+ info->fbops->fb_fillrect(info, &region);
+}
+
+static inline void ud_putcs_aligned(struct vc_data *vc, struct fb_info *info,
+ const u16 *s, u32 attr, u32 cnt,
+ u32 d_pitch, u32 s_pitch, u32 cellsize,
+ struct fb_image *image, u8 *buf, u8 *dst)
+{
+ struct fbcon_ops *ops = info->fbcon_par;
+ u16 charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;
+ u32 idx = vc->vc_font.width >> 3;
+ u8 *src;
+
+ while (cnt--) {
+ src = ops->fontbuffer + (scr_readw(s--) & charmask)*cellsize;
+
+ if (attr) {
+ ud_update_attr(buf, src, attr, vc);
+ src = buf;
+ }
+
+ if (likely(idx == 1))
+ __fb_pad_aligned_buffer(dst, d_pitch, src, idx,
+ image->height);
+ else
+ fb_pad_aligned_buffer(dst, d_pitch, src, idx,
+ image->height);
+
+ dst += s_pitch;
+ }
+
+ info->fbops->fb_imageblit(info, image);
+}
+
+static inline void ud_putcs_unaligned(struct vc_data *vc,
+ struct fb_info *info, const u16 *s,
+ u32 attr, u32 cnt, u32 d_pitch,
+ u32 s_pitch, u32 cellsize,
+ struct fb_image *image, u8 *buf,
+ u8 *dst)
+{
+ struct fbcon_ops *ops = info->fbcon_par;
+ u16 charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;
+ u32 shift_low = 0, mod = vc->vc_font.width % 8;
+ u32 shift_high = 8;
+ u32 idx = vc->vc_font.width >> 3;
+ u8 *src;
+
+ while (cnt--) {
+ src = ops->fontbuffer + (scr_readw(s--) & charmask)*cellsize;
+
+ if (attr) {
+ ud_update_attr(buf, src, attr, vc);
+ src = buf;
+ }
+
+ fb_pad_unaligned_buffer(dst, d_pitch, src, idx,
+ image->height, shift_high,
+ shift_low, mod);
+ shift_low += mod;
+ dst += (shift_low >= 8) ? s_pitch : s_pitch - 1;
+ shift_low &= 7;
+ shift_high = 8 - shift_low;
+ }
+
+ info->fbops->fb_imageblit(info, image);
+
+}
+
+static void ud_putcs(struct vc_data *vc, struct fb_info *info,
+ const unsigned short *s, int count, int yy, int xx,
+ int fg, int bg)
+{
+ struct fb_image image;
+ struct display *p = &fb_display[vc->vc_num];
+ struct fbcon_ops *ops = info->fbcon_par;
+ u32 width = (vc->vc_font.width + 7)/8;
+ u32 cellsize = width * vc->vc_font.height;
+ u32 maxcnt = info->pixmap.size/cellsize;
+ u32 scan_align = info->pixmap.scan_align - 1;
+ u32 buf_align = info->pixmap.buf_align - 1;
+ u32 mod = vc->vc_font.width % 8, cnt, pitch, size;
+ u32 attribute = get_attribute(info, scr_readw(s));
+ u8 *dst, *buf = NULL;
+ u32 vyres = GETVYRES(p->scrollmode, info);
+ u32 vxres = GETVXRES(p->scrollmode, info);
+
+ if (!ops->fontbuffer)
+ return;
+
+ image.fg_color = fg;
+ image.bg_color = bg;
+ image.dy = vyres - ((yy * vc->vc_font.height) + vc->vc_font.height);
+ image.dx = vxres - ((xx + count) * vc->vc_font.width);
+ image.height = vc->vc_font.height;
+ image.depth = 1;
+
+ if (attribute) {
+ buf = kmalloc(cellsize, GFP_KERNEL);
+ if (!buf)
+ return;
+ }
+
+ s += count - 1;
+
+ while (count) {
+ if (count > maxcnt)
+ cnt = maxcnt;
+ else
+ cnt = count;
+
+ image.width = vc->vc_font.width * cnt;
+ pitch = ((image.width + 7) >> 3) + scan_align;
+ pitch &= ~scan_align;
+ size = pitch * image.height + buf_align;
+ size &= ~buf_align;
+ dst = fb_get_buffer_offset(info, &info->pixmap, size);
+ image.data = dst;
+
+ if (!mod)
+ ud_putcs_aligned(vc, info, s, attribute, cnt, pitch,
+ width, cellsize, &image, buf, dst);
+ else
+ ud_putcs_unaligned(vc, info, s, attribute, cnt, pitch,
+ width, cellsize, &image,
+ buf, dst);
+
+ image.dx += image.width;
+ count -= cnt;
+ s -= cnt;
+ xx += cnt;
+ }
+
+ /* buf is always NULL except when in monochrome mode, so in this case
+ it's a gain to check buf against NULL even though kfree() handles
+ NULL pointers just fine */
+ if (unlikely(buf))
+ kfree(buf);
+
+}
+
+static void ud_clear_margins(struct vc_data *vc, struct fb_info *info,
+ int bottom_only)
+{
+ unsigned int cw = vc->vc_font.width;
+ unsigned int ch = vc->vc_font.height;
+ unsigned int rw = info->var.xres - (vc->vc_cols*cw);
+ unsigned int bh = info->var.yres - (vc->vc_rows*ch);
+ struct fb_fillrect region;
+ int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
+
+ region.color = attr_bgcol_ec(bgshift,vc);
+ region.rop = ROP_COPY;
+
+ if (rw && !bottom_only) {
+ region.dy = 0;
+ region.dx = info->var.xoffset;
+ region.width = rw;
+ region.height = info->var.yres_virtual;
+ info->fbops->fb_fillrect(info, &region);
+ }
+
+ if (bh) {
+ region.dy = info->var.yoffset;
+ region.dx = info->var.xoffset;
+ region.height = bh;
+ region.width = info->var.xres;
+ info->fbops->fb_fillrect(info, &region);
+ }
+}
+
+static void ud_cursor(struct vc_data *vc, struct fb_info *info,
+ struct display *p, int mode, int softback_lines,
+ int fg, int bg)
+{
+ struct fb_cursor cursor;
+ struct fbcon_ops *ops = (struct fbcon_ops *) info->fbcon_par;
+ unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;
+ int w = (vc->vc_font.width + 7) >> 3, c;
+ int y = real_y(p, vc->vc_y);
+ int attribute, use_sw = (vc->vc_cursor_type & 0x10);
+ int err = 1, dx, dy;
+ char *src;
+ u32 vyres = GETVYRES(p->scrollmode, info);
+ u32 vxres = GETVXRES(p->scrollmode, info);
+
+ if (!ops->fontbuffer)
+ return;
+
+ cursor.set = 0;
+
+ if (softback_lines) {
+ if (y + softback_lines >= vc->vc_rows) {
+ mode = CM_ERASE;
+ ops->cursor_flash = 0;
+ return;
+ } else
+ y += softback_lines;
+ }
+
+ c = scr_readw((u16 *) vc->vc_pos);
+ attribute = get_attribute(info, c);
+ src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.height));
+
+ if (ops->cursor_state.image.data != src ||
+ ops->cursor_reset) {
+ ops->cursor_state.image.data = src;
+ cursor.set |= FB_CUR_SETIMAGE;
+ }
+
+ if (attribute) {
+ u8 *dst;
+
+ dst = kmalloc(w * vc->vc_font.height, GFP_ATOMIC);
+ if (!dst)
+ return;
+ kfree(ops->cursor_data);
+ ops->cursor_data = dst;
+ ud_update_attr(dst, src, attribute, vc);
+ src = dst;
+ }
+
+ if (ops->cursor_state.image.fg_color != fg ||
+ ops->cursor_state.image.bg_color != bg ||
+ ops->cursor_reset) {
+ ops->cursor_state.image.fg_color = fg;
+ ops->cursor_state.image.bg_color = bg;
+ cursor.set |= FB_CUR_SETCMAP;
+ }
+
+ if (ops->cursor_state.image.height != vc->vc_font.height ||
+ ops->cursor_state.image.width != vc->vc_font.width ||
+ ops->cursor_reset) {
+ ops->cursor_state.image.height = vc->vc_font.height;
+ ops->cursor_state.image.width = vc->vc_font.width;
+ cursor.set |= FB_CUR_SETSIZE;
+ }
+
+ dy = vyres - ((y * vc->vc_font.height) + vc->vc_font.height);
+ dx = vxres - ((vc->vc_x * vc->vc_font.width) + vc->vc_font.width);
+
+ if (ops->cursor_state.image.dx != dx ||
+ ops->cursor_state.image.dy != dy ||
+ ops->cursor_reset) {
+ ops->cursor_state.image.dx = dx;
+ ops->cursor_state.image.dy = dy;
+ cursor.set |= FB_CUR_SETPOS;
+ }
+
+ if (ops->cursor_state.hot.x || ops->cursor_state.hot.y ||
+ ops->cursor_reset) {
+ ops->cursor_state.hot.x = cursor.hot.y = 0;
+ cursor.set |= FB_CUR_SETHOT;
+ }
+
+ if (cursor.set & FB_CUR_SETSIZE ||
+ vc->vc_cursor_type != p->cursor_shape ||
+ ops->cursor_state.mask == NULL ||
+ ops->cursor_reset) {
+ char *mask = kmalloc(w*vc->vc_font.height, GFP_ATOMIC);
+ int cur_height, size, i = 0;
+ u8 msk = 0xff;
+
+ if (!mask)
+ return;
+
+ kfree(ops->cursor_state.mask);
+ ops->cursor_state.mask = mask;
+
+ p->cursor_shape = vc->vc_cursor_type;
+ cursor.set |= FB_CUR_SETSHAPE;
+
+ switch (p->cursor_shape & CUR_HWMASK) {
+ case CUR_NONE:
+ cur_height = 0;
+ break;
+ case CUR_UNDERLINE:
+ cur_height = (vc->vc_font.height < 10) ? 1 : 2;
+ break;
+ case CUR_LOWER_THIRD:
+ cur_height = vc->vc_font.height/3;
+ break;
+ case CUR_LOWER_HALF:
+ cur_height = vc->vc_font.height >> 1;
+ break;
+ case CUR_TWO_THIRDS:
+ cur_height = (vc->vc_font.height << 1)/3;
+ break;
+ case CUR_BLOCK:
+ default:
+ cur_height = vc->vc_font.height;
+ break;
+ }
+
+ size = cur_height * w;
+
+ while (size--)
+ mask[i++] = msk;
+
+ size = (vc->vc_font.height - cur_height) * w;
+
+ while (size--)
+ mask[i++] = ~msk;
+ }
+
+ switch (mode) {
+ case CM_ERASE:
+ ops->cursor_state.enable = 0;
+ break;
+ case CM_DRAW:
+ case CM_MOVE:
+ default:
+ ops->cursor_state.enable = (use_sw) ? 0 : 1;
+ break;
+ }
+
+ cursor.image.data = src;
+ cursor.image.fg_color = ops->cursor_state.image.fg_color;
+ cursor.image.bg_color = ops->cursor_state.image.bg_color;
+ cursor.image.dx = ops->cursor_state.image.dx;
+ cursor.image.dy = ops->cursor_state.image.dy;
+ cursor.image.height = ops->cursor_state.image.height;
+ cursor.image.width = ops->cursor_state.image.width;
+ cursor.hot.x = ops->cursor_state.hot.x;
+ cursor.hot.y = ops->cursor_state.hot.y;
+ cursor.mask = ops->cursor_state.mask;
+ cursor.enable = ops->cursor_state.enable;
+ cursor.image.depth = 1;
+ cursor.rop = ROP_XOR;
+
+ if (info->fbops->fb_cursor)
+ err = info->fbops->fb_cursor(info, &cursor);
+
+ if (err)
+ soft_cursor(info, &cursor);
+
+ ops->cursor_reset = 0;
+}
+
+int ud_update_start(struct fb_info *info)
+{
+ struct fbcon_ops *ops = info->fbcon_par;
+ struct display *p = &fb_display[ops->currcon];
+ u32 xoffset, yoffset;
+ u32 vyres = GETVYRES(p->scrollmode, info);
+ u32 vxres = GETVXRES(p->scrollmode, info);
+ int err;
+
+ xoffset = (vxres - info->var.xres) - ops->var.xoffset;
+ yoffset = (vyres - info->var.yres) - ops->var.yoffset;
+ ops->var.xoffset = xoffset;
+ ops->var.yoffset = yoffset;
+ err = fb_pan_display(info, &ops->var);
+ ops->var.xoffset = info->var.xoffset;
+ ops->var.yoffset = info->var.yoffset;
+ ops->var.vmode = info->var.vmode;
+ return err;
+}
+
+void fbcon_rotate_ud(struct fbcon_ops *ops)
+{
+ ops->bmove = ud_bmove;
+ ops->clear = ud_clear;
+ ops->putcs = ud_putcs;
+ ops->clear_margins = ud_clear_margins;
+ ops->cursor = ud_cursor;
+ ops->update_start = ud_update_start;
+}
+EXPORT_SYMBOL(fbcon_rotate_ud);
+
+MODULE_AUTHOR("Antonino Daplas <adaplas@pol.net>");
+MODULE_DESCRIPTION("Console Rotation (180 degrees) Support");
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/console/tileblit.c b/drivers/video/console/tileblit.c
index 7f76e2c..cb25324 100644
--- a/drivers/video/console/tileblit.c
+++ b/drivers/video/console/tileblit.c
@@ -118,6 +118,18 @@ static void tile_cursor(struct vc_data *vc, struct fb_info *info,
info->tileops->fb_tilecursor(info, &cursor);
}
+static int tile_update_start(struct fb_info *info)
+{
+ struct fbcon_ops *ops = info->fbcon_par;
+ int err;
+
+ err = fb_pan_display(info, &ops->var);
+ ops->var.xoffset = info->var.xoffset;
+ ops->var.yoffset = info->var.yoffset;
+ ops->var.vmode = info->var.vmode;
+ return err;
+}
+
void fbcon_set_tileops(struct vc_data *vc, struct fb_info *info,
struct display *p, struct fbcon_ops *ops)
{
@@ -128,6 +140,7 @@ void fbcon_set_tileops(struct vc_data *vc, struct fb_info *info,
ops->putcs = tile_putcs;
ops->clear_margins = tile_clear_margins;
ops->cursor = tile_cursor;
+ ops->update_start = tile_update_start;
if (p) {
map.width = vc->vc_font.width;
generated by cgit v0.10.2 at 2024-11-11 04:13:16 (GMT)