diff options
| -rw-r--r-- | drivers/video/console/Kconfig | 10 | ||||
| -rw-r--r-- | drivers/video/console/bitblit.c | 46 | ||||
| -rw-r--r-- | drivers/video/console/fbcon.c | 285 | ||||
| -rw-r--r-- | drivers/video/console/fbcon.h | 58 | ||||
| -rw-r--r-- | drivers/video/console/tileblit.c | 13 | ||||
| -rw-r--r-- | include/linux/fb.h | 12 |
6 files changed, 286 insertions, 138 deletions
diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig index fadf7c5d216e..94c5f1392cce 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/bitblit.c b/drivers/video/console/bitblit.c index 67857b3cfc8b..e65fc3ef7630 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 3cf1b61ff1f8..b5d678c73252 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); @@ -203,6 +207,13 @@ static irqreturn_t fb_vbl_detect(int irq, void *dummy, struct pt_regs *fp) } #endif +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 inline int fbcon_is_inactive(struct vc_data *vc, struct fb_info *info) { struct fbcon_ops *ops = info->fbcon_par; @@ -422,6 +433,14 @@ 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; } @@ -558,16 +577,24 @@ 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 +654,7 @@ 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 +855,9 @@ 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 +896,10 @@ 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 +985,6 @@ 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 +1016,18 @@ 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 +1065,12 @@ 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 +1107,6 @@ 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 +1194,6 @@ 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 +1203,6 @@ 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 +1218,9 @@ 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 +1237,10 @@ 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 +1256,12 @@ 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 +1272,16 @@ 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 +1291,16 @@ 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 +1319,11 @@ 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 +1334,7 @@ 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 +1344,13 @@ 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 +1370,11 @@ 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 +1385,7 @@ 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 +1394,14 @@ 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 +1875,41 @@ 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 +1925,23 @@ 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 +1951,7 @@ 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 +1961,7 @@ 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 +1970,13 @@ 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 +1995,7 @@ 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 +2008,9 @@ 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 +2022,11 @@ 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 +2036,12 @@ 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 +2061,11 @@ 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); @@ -2047,6 +2112,7 @@ 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 +2201,7 @@ 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 +2281,13 @@ 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 +2515,7 @@ 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 +2592,11 @@ 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 +2644,25 @@ 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 +2687,20 @@ 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) diff --git a/drivers/video/console/fbcon.h b/drivers/video/console/fbcon.h index b68e0e2c2d16..846a5a4e736c 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 +179,43 @@ 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; }) + +#define fbcon_set_rotate(x) do {} while(0) + #endif /* _VIDEO_FBCON_H */ + diff --git a/drivers/video/console/tileblit.c b/drivers/video/console/tileblit.c index 7f76e2c6a4a1..cb25324a5635 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; diff --git a/include/linux/fb.h b/include/linux/fb.h index e7ff98e395f6..51791dc5d4dc 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -201,6 +201,14 @@ struct fb_bitfield { #define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */ #define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */ +/* + * Display rotation support + */ +#define FB_ROTATE_UR 0 +#define FB_ROTATE_CW 1 +#define FB_ROTATE_UD 2 +#define FB_ROTATE_CCW 3 + #define PICOS2KHZ(a) (1000000000UL/(a)) #define KHZ2PICOS(a) (1000000000UL/(a)) @@ -489,9 +497,9 @@ struct fb_cursor_user { #define FB_EVENT_MODE_DELETE 0x04 /* A driver registered itself */ #define FB_EVENT_FB_REGISTERED 0x05 -/* get console to framebuffer mapping */ +/* CONSOLE-SPECIFIC: get console to framebuffer mapping */ #define FB_EVENT_GET_CONSOLE_MAP 0x06 -/* set console to framebuffer mapping */ +/* CONSOLE-SPECIFIC: set console to framebuffer mapping */ #define FB_EVENT_SET_CONSOLE_MAP 0x07 /* A display blank is requested */ #define FB_EVENT_BLANK 0x08 |