Add fb_append_extra_logo(), to append extra lines of logos below the standard Linux logo. Signed-off-by: Geert Uytterhoeven Signed-off-by: Geoff Levand Acked-By: James Simmons --- Changes since last version: - Introduce CONFIG_FB_LOGO_EXTRA to protect all new code - Move fb_prepare_logo() down to satisfy declaration dependencies drivers/video/fbmem.c | 210 ++++++++++++++++++++++++++++++--------------- drivers/video/logo/Kconfig | 4 include/linux/linux_logo.h | 8 + 3 files changed, 154 insertions(+), 68 deletions(-) --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -411,72 +411,6 @@ static void fb_do_show_logo(struct fb_in } } -int fb_prepare_logo(struct fb_info *info, int rotate) -{ - int depth = fb_get_color_depth(&info->var, &info->fix); - int yres; - - memset(&fb_logo, 0, sizeof(struct logo_data)); - - if (info->flags & FBINFO_MISC_TILEBLITTING || - info->flags & FBINFO_MODULE) - return 0; - - if (info->fix.visual == FB_VISUAL_DIRECTCOLOR) { - depth = info->var.blue.length; - if (info->var.red.length < depth) - depth = info->var.red.length; - if (info->var.green.length < depth) - depth = info->var.green.length; - } - - if (info->fix.visual == FB_VISUAL_STATIC_PSEUDOCOLOR && depth > 4) { - /* assume console colormap */ - depth = 4; - } - - if (depth >= 8) { - switch (info->fix.visual) { - case FB_VISUAL_TRUECOLOR: - fb_logo.needs_truepalette = 1; - break; - case FB_VISUAL_DIRECTCOLOR: - fb_logo.needs_directpalette = 1; - fb_logo.needs_cmapreset = 1; - break; - case FB_VISUAL_PSEUDOCOLOR: - fb_logo.needs_cmapreset = 1; - break; - } - } - - /* Return if no suitable logo was found */ - fb_logo.logo = fb_find_logo(depth); - - if (!fb_logo.logo) { - return 0; - } - - if (rotate == FB_ROTATE_UR || rotate == FB_ROTATE_UD) - yres = info->var.yres; - else - yres = info->var.xres; - - if (fb_logo.logo->height > yres) { - fb_logo.logo = NULL; - return 0; - } - - /* What depth we asked for might be different from what we get */ - if (fb_logo.logo->type == LINUX_LOGO_CLUT224) - fb_logo.depth = 8; - else if (fb_logo.logo->type == LINUX_LOGO_VGA16) - fb_logo.depth = 4; - else - fb_logo.depth = 1; - return fb_logo.logo->height; -} - static int fb_show_logo_line(struct fb_info *info, int rotate, const struct linux_logo *logo, int y, unsigned int n) @@ -545,10 +479,150 @@ static int fb_show_logo_line(struct fb_i return logo->height; } + +#ifdef CONFIG_FB_LOGO_EXTRA + +#define FB_LOGO_EX_NUM_MAX 10 +static struct logo_data_extra { + const struct linux_logo *logo; + unsigned int n; +} fb_logo_ex[FB_LOGO_EX_NUM_MAX]; +static unsigned int fb_logo_ex_num; + +void fb_append_extra_logo(const struct linux_logo *logo, unsigned int n) +{ + if (!n || fb_logo_ex_num == FB_LOGO_EX_NUM_MAX) + return; + + fb_logo_ex[fb_logo_ex_num].logo = logo; + fb_logo_ex[fb_logo_ex_num].n = n; + fb_logo_ex_num++; +} + +static int fb_prepare_extra_logos(struct fb_info *info, unsigned int height, + unsigned int yres) +{ + unsigned int i; + + /* FIXME: logo_ex supports only truecolor fb. */ + if (info->fix.visual != FB_VISUAL_TRUECOLOR) + fb_logo_ex_num = 0; + + for (i = 0; i < fb_logo_ex_num; i++) { + height += fb_logo_ex[i].logo->height; + if (height > yres) { + height -= fb_logo_ex[i].logo->height; + fb_logo_ex_num = i; + break; + } + } + return height; +} + +static int fb_show_extra_logos(struct fb_info *info, int y, int rotate) +{ + unsigned int i; + + for (i = 0; i < fb_logo_ex_num; i++) + y += fb_show_logo_line(info, rotate, + fb_logo_ex[i].logo, y, fb_logo_ex[i].n); + + return y; +} + +#else /* !CONFIG_FB_LOGO_EXTRA */ + +static inline int fb_prepare_extra_logos(struct fb_info *info, + unsigned int height, + unsigned int yres) +{ + return height; +} + +static inline int fb_show_extra_logos(struct fb_info *info, int y, int rotate) +{ + return y; +} + +#endif /* CONFIG_FB_LOGO_EXTRA */ + + +int fb_prepare_logo(struct fb_info *info, int rotate) +{ + int depth = fb_get_color_depth(&info->var, &info->fix); + unsigned int yres; + + memset(&fb_logo, 0, sizeof(struct logo_data)); + + if (info->flags & FBINFO_MISC_TILEBLITTING || + info->flags & FBINFO_MODULE) + return 0; + + if (info->fix.visual == FB_VISUAL_DIRECTCOLOR) { + depth = info->var.blue.length; + if (info->var.red.length < depth) + depth = info->var.red.length; + if (info->var.green.length < depth) + depth = info->var.green.length; + } + + if (info->fix.visual == FB_VISUAL_STATIC_PSEUDOCOLOR && depth > 4) { + /* assume console colormap */ + depth = 4; + } + + if (depth >= 8) { + switch (info->fix.visual) { + case FB_VISUAL_TRUECOLOR: + fb_logo.needs_truepalette = 1; + break; + case FB_VISUAL_DIRECTCOLOR: + fb_logo.needs_directpalette = 1; + fb_logo.needs_cmapreset = 1; + break; + case FB_VISUAL_PSEUDOCOLOR: + fb_logo.needs_cmapreset = 1; + break; + } + } + + /* Return if no suitable logo was found */ + fb_logo.logo = fb_find_logo(depth); + + if (!fb_logo.logo) { + return 0; + } + + if (rotate == FB_ROTATE_UR || rotate == FB_ROTATE_UD) + yres = info->var.yres; + else + yres = info->var.xres; + + if (fb_logo.logo->height > yres) { + fb_logo.logo = NULL; + return 0; + } + + /* What depth we asked for might be different from what we get */ + if (fb_logo.logo->type == LINUX_LOGO_CLUT224) + fb_logo.depth = 8; + else if (fb_logo.logo->type == LINUX_LOGO_VGA16) + fb_logo.depth = 4; + else + fb_logo.depth = 1; + + return fb_prepare_extra_logos(info, fb_logo.logo->height, yres); +} + int fb_show_logo(struct fb_info *info, int rotate) { - return fb_show_logo_line(info, rotate, fb_logo.logo, 0, - num_online_cpus()); + int y; + + y = fb_show_logo_line(info, rotate, fb_logo.logo, 0, + num_online_cpus()); + y = fb_show_extra_logos(info, y, rotate); + + return y; } #else int fb_prepare_logo(struct fb_info *info, int rotate) { return 0; } --- a/drivers/video/logo/Kconfig +++ b/drivers/video/logo/Kconfig @@ -10,6 +10,10 @@ menuconfig LOGO if LOGO +config FB_LOGO_EXTRA + bool + depends on FB + config LOGO_LINUX_MONO bool "Standard black and white Linux logo" default y --- a/include/linux/linux_logo.h +++ b/include/linux/linux_logo.h @@ -33,5 +33,13 @@ struct linux_logo { }; extern const struct linux_logo *fb_find_logo(int depth); +#ifdef CONFIG_FB_LOGO_EXTRA +extern void fb_append_extra_logo(const struct linux_logo *logo, + unsigned int n); +#else +static inline void fb_append_extra_logo(const struct linux_logo *logo, + unsigned int n) +{} +#endif #endif /* _LINUX_LINUX_LOGO_H */ -- With kind regards, Geert Uytterhoeven Software Architect Sony Network and Software Technology Center Europe The Corporate Village · Da Vincilaan 7-D1 · B-1935 Zaventem · Belgium Phone: +32 (0)2 700 8453 Fax: +32 (0)2 700 8622 E-mail: Geert.Uytterhoeven@sonycom.com Internet: http://www.sony-europe.com/ Sony Network and Software Technology Center Europe A division of Sony Service Centre (Europe) N.V. 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