#include <linux/fb.h>
-#ifdef CONFIG_FRAMEBUFFER_CONSOLE
-#include "console/fbcon.h"
-#endif
/*
* Frame buffer device initialization and setup routines
*/
-extern int acornfb_init(void);
-extern int acornfb_setup(char*);
-extern int amifb_init(void);
-extern int amifb_setup(char*);
-extern int atafb_init(void);
-extern int atafb_setup(char*);
-extern int macfb_init(void);
-extern int macfb_setup(char*);
-extern int cyberfb_init(void);
-extern int cyberfb_setup(char*);
-extern int pm2fb_init(void);
-extern int pm2fb_setup(char*);
-extern int pm3fb_init(void);
-extern int pm3fb_setup(char*);
-extern int clps711xfb_init(void);
-extern int cyber2000fb_init(void);
-extern int cyber2000fb_setup(char*);
-extern int retz3fb_init(void);
-extern int retz3fb_setup(char*);
-extern int cirrusfb_init(void);
-extern int cirrusfb_setup(char*);
-extern int hitfb_init(void);
-extern int vfb_init(void);
-extern int vfb_setup(char*);
-extern int offb_init(void);
-extern int atyfb_init(void);
-extern int atyfb_setup(char*);
-extern int aty128fb_init(void);
-extern int aty128fb_setup(char*);
-extern int neofb_init(void);
-extern int neofb_setup(char*);
-extern int igafb_init(void);
-extern int igafb_setup(char*);
-extern int imsttfb_init(void);
-extern int imsttfb_setup(char*);
-extern int dnfb_init(void);
-extern int tgafb_init(void);
-extern int tgafb_setup(char*);
-extern int virgefb_init(void);
-extern int virgefb_setup(char*);
-extern int resolver_video_setup(char*);
-extern int s3triofb_init(void);
-extern int vesafb_init(void);
-extern int vesafb_setup(char*);
-extern int vga16fb_init(void);
-extern int vga16fb_setup(char*);
-extern int hgafb_init(void);
-extern int hgafb_setup(char*);
-extern int matroxfb_init(void);
-extern int matroxfb_setup(char*);
-extern int hpfb_init(void);
-extern int platinumfb_init(void);
-extern int platinumfb_setup(char*);
-extern int control_init(void);
-extern int control_setup(char*);
-extern int valkyriefb_init(void);
-extern int valkyriefb_setup(char*);
-extern int chips_init(void);
-extern int g364fb_init(void);
-extern int sa1100fb_init(void);
-extern int pxafb_init(void);
-extern int pxafb_setup(char*);
-extern int fm2fb_init(void);
-extern int fm2fb_setup(char*);
-extern int q40fb_init(void);
-extern int sun3fb_init(void);
-extern int sun3fb_setup(char *);
-extern int sgivwfb_init(void);
-extern int sgivwfb_setup(char*);
-extern int gbefb_init(void);
-extern int gbefb_setup(char*);
-extern int rivafb_init(void);
-extern int rivafb_setup(char*);
-extern int tdfxfb_init(void);
-extern int tdfxfb_setup(char*);
-extern int tridentfb_init(void);
-extern int tridentfb_setup(char*);
-extern int sisfb_init(void);
-extern int sisfb_setup(char*);
-extern int stifb_init(void);
-extern int stifb_setup(char*);
-extern int pmagbafb_init(void);
-extern int pmagbbfb_init(void);
-extern int maxinefb_init(void);
-extern int tx3912fb_init(void);
-extern int tx3912fb_setup(char*);
-extern int radeonfb_init(void);
-extern int radeonfb_setup(char*);
-extern int radeonfb_old_init(void);
-extern int radeonfb_old_setup(char*);
-extern int e1355fb_init(void);
-extern int e1355fb_setup(char*);
-extern int pvr2fb_init(void);
-extern int pvr2fb_setup(char*);
-extern int sstfb_init(void);
-extern int sstfb_setup(char*);
-extern int i810fb_init(void);
-extern int i810fb_setup(char*);
-extern int ffb_init(void);
-extern int ffb_setup(char*);
-extern int cg6_init(void);
-extern int cg6_setup(char*);
-extern int cg3_init(void);
-extern int cg3_setup(char*);
-extern int bw2_init(void);
-extern int bw2_setup(char*);
-extern int cg14_init(void);
-extern int cg14_setup(char*);
-extern int p9100_init(void);
-extern int p9100_setup(char*);
-extern int tcx_init(void);
-extern int tcx_setup(char*);
-extern int leo_init(void);
-extern int leo_setup(char*);
-extern int kyrofb_init(void);
-extern int kyrofb_setup(char*);
-extern int mc68x328fb_init(void);
-extern int mc68x328fb_setup(char *);
-extern int asiliantfb_init(void);
-
-static struct {
- const char *name;
- int (*init)(void);
- int (*setup)(char*);
-} fb_drivers[] __initdata = {
-
- /*
- * Chipset specific drivers that use resource management
- */
-#ifdef CONFIG_FB_RETINAZ3
- { "retz3fb", retz3fb_init, retz3fb_setup },
-#endif
-#ifdef CONFIG_FB_AMIGA
- { "amifb", amifb_init, amifb_setup },
-#endif
-#ifdef CONFIG_FB_CLPS711X
- { "clps711xfb", clps711xfb_init, NULL },
-#endif
-#ifdef CONFIG_FB_CYBER
- { "cyberfb", cyberfb_init, cyberfb_setup },
-#endif
-#ifdef CONFIG_FB_CYBER2000
- { "cyber2000fb", cyber2000fb_init, cyber2000fb_setup },
-#endif
-#ifdef CONFIG_FB_PM2
- { "pm2fb", pm2fb_init, pm2fb_setup },
-#endif
-#ifdef CONFIG_FB_PM3
- { "pm3fb", pm3fb_init, pm3fb_setup },
-#endif
-#ifdef CONFIG_FB_CIRRUS
- { "cirrusfb", cirrusfb_init, cirrusfb_setup },
-#endif
-#ifdef CONFIG_FB_ATY
- { "atyfb", atyfb_init, atyfb_setup },
-#endif
-#ifdef CONFIG_FB_MATROX
- { "matroxfb", matroxfb_init, matroxfb_setup },
-#endif
-#ifdef CONFIG_FB_ATY128
- { "aty128fb", aty128fb_init, aty128fb_setup },
-#endif
-#ifdef CONFIG_FB_NEOMAGIC
- { "neofb", neofb_init, neofb_setup },
-#endif
-#ifdef CONFIG_FB_VIRGE
- { "virgefb", virgefb_init, virgefb_setup },
-#endif
-#ifdef CONFIG_FB_RIVA
- { "rivafb", rivafb_init, rivafb_setup },
-#endif
-#ifdef CONFIG_FB_3DFX
- { "tdfxfb", tdfxfb_init, tdfxfb_setup },
-#endif
-#ifdef CONFIG_FB_RADEON
- { "radeonfb", radeonfb_init, radeonfb_setup },
-#endif
-#ifdef CONFIG_FB_RADEON_OLD
- { "radeonfb_old", radeonfb_old_init, radeonfb_old_setup },
-#endif
-#ifdef CONFIG_FB_CONTROL
- { "controlfb", control_init, control_setup },
-#endif
-#ifdef CONFIG_FB_PLATINUM
- { "platinumfb", platinumfb_init, platinumfb_setup },
-#endif
-#ifdef CONFIG_FB_VALKYRIE
- { "valkyriefb", valkyriefb_init, valkyriefb_setup },
-#endif
-#ifdef CONFIG_FB_CT65550
- { "chipsfb", chips_init, NULL },
-#endif
-#ifdef CONFIG_FB_IMSTT
- { "imsttfb", imsttfb_init, imsttfb_setup },
-#endif
-#ifdef CONFIG_FB_S3TRIO
- { "s3triofb", s3triofb_init, NULL },
-#endif
-#ifdef CONFIG_FB_FM2
- { "fm2fb", fm2fb_init, fm2fb_setup },
-#endif
-#ifdef CONFIG_FB_SIS
- { "sisfb", sisfb_init, sisfb_setup },
-#endif
-#ifdef CONFIG_FB_TRIDENT
- { "tridentfb", tridentfb_init, tridentfb_setup },
-#endif
-#ifdef CONFIG_FB_I810
- { "i810fb", i810fb_init, i810fb_setup },
-#endif
-#ifdef CONFIG_FB_STI
- { "stifb", stifb_init, stifb_setup },
-#endif
-#ifdef CONFIG_FB_FFB
- { "ffb", ffb_init, ffb_setup },
-#endif
-#ifdef CONFIG_FB_CG6
- { "cg6fb", cg6_init, cg6_setup },
-#endif
-#ifdef CONFIG_FB_CG3
- { "cg3fb", cg3_init, cg3_setup },
-#endif
-#ifdef CONFIG_FB_BW2
- { "bw2fb", bw2_init, bw2_setup },
-#endif
-#ifdef CONFIG_FB_CG14
- { "cg14fb", cg14_init, cg14_setup },
-#endif
-#ifdef CONFIG_FB_P9100
- { "p9100fb", p9100_init, p9100_setup },
-#endif
-#ifdef CONFIG_FB_TCX
- { "tcxfb", tcx_init, tcx_setup },
-#endif
-#ifdef CONFIG_FB_LEO
- { "leofb", leo_init, leo_setup },
-#endif
-
- /*
- * Generic drivers that are used as fallbacks
- *
- * These depend on resource management and must be initialized
- * _after_ all other frame buffer devices that use resource
- * management!
- */
-
-#ifdef CONFIG_FB_OF
- { "offb", offb_init, NULL },
-#endif
-#ifdef CONFIG_FB_VESA
- { "vesafb", vesafb_init, vesafb_setup },
-#endif
-
- /*
- * Chipset specific drivers that don't use resource management (yet)
- */
-
-#ifdef CONFIG_FB_SGIVW
- { "sgivwfb", sgivwfb_init, sgivwfb_setup },
-#endif
-#ifdef CONFIG_FB_GBE
- { "gbefb", gbefb_init, gbefb_setup },
-#endif
-#ifdef CONFIG_FB_ACORN
- { "acornfb", acornfb_init, acornfb_setup },
-#endif
-#ifdef CONFIG_FB_ATARI
- { "atafb", atafb_init, atafb_setup },
-#endif
-#ifdef CONFIG_FB_MAC
- { "macfb", macfb_init, macfb_setup },
-#endif
-#ifdef CONFIG_FB_HGA
- { "hgafb", hgafb_init, hgafb_setup },
-#endif
-#ifdef CONFIG_FB_IGA
- { "igafb", igafb_init, igafb_setup },
-#endif
-#ifdef CONFIG_APOLLO
- { "apollofb", dnfb_init, NULL },
-#endif
-#ifdef CONFIG_FB_Q40
- { "q40fb", q40fb_init, NULL },
-#endif
-#ifdef CONFIG_FB_TGA
- { "tgafb", tgafb_init, tgafb_setup },
-#endif
-#ifdef CONFIG_FB_HP300
- { "hpfb", hpfb_init, NULL },
-#endif
-#ifdef CONFIG_FB_G364
- { "g364fb", g364fb_init, NULL },
-#endif
-#ifdef CONFIG_FB_SA1100
- { "sa1100fb", sa1100fb_init, NULL },
-#endif
-#ifdef CONFIG_FB_PXA
- { "pxafb", pxafb_init, pxafb_setup },
-#endif
-#ifdef CONFIG_FB_SUN3
- { "sun3fb", sun3fb_init, sun3fb_setup },
-#endif
-#ifdef CONFIG_FB_HIT
- { "hitfb", hitfb_init, NULL },
-#endif
-#ifdef CONFIG_FB_TX3912
- { "tx3912fb", tx3912fb_init, tx3912fb_setup },
-#endif
-#ifdef CONFIG_FB_E1355
- { "e1355fb", e1355fb_init, e1355fb_setup },
-#endif
-#ifdef CONFIG_FB_PVR2
- { "pvr2fb", pvr2fb_init, pvr2fb_setup },
-#endif
-#ifdef CONFIG_FB_PMAG_BA
- { "pmagbafb", pmagbafb_init, NULL },
-#endif
-#ifdef CONFIG_FB_PMAGB_B
- { "pmagbbfb", pmagbbfb_init, NULL },
-#endif
-#ifdef CONFIG_FB_MAXINE
- { "maxinefb", maxinefb_init, NULL },
-#endif
-#ifdef CONFIG_FB_VOODOO1
- { "sstfb", sstfb_init, sstfb_setup },
-#endif
-#ifdef CONFIG_FB_KYRO
- { "kyrofb", kyrofb_init, kyrofb_setup },
-#endif
-#ifdef CONFIG_FB_68328
- { "68328fb", mc68x328fb_init, mc68x328fb_setup },
-#endif
-#ifdef CONFIG_FB_ASILIANT
- { "asiliantfb", asiliantfb_init, NULL },
-#endif
-
- /*
- * Generic drivers that don't use resource management (yet)
- */
-
-#ifdef CONFIG_FB_VGA16
- { "vga16fb", vga16fb_init, vga16fb_setup },
-#endif
-
-#ifdef CONFIG_GSP_RESOLVER
- /* Not a real frame buffer device... */
- { "resolverfb", NULL, resolver_video_setup },
-#endif
-
-#ifdef CONFIG_FB_VIRTUAL
- /*
- * Vfb must be last to avoid that it becomes your primary display if
- * other display devices are present
- */
- { "vfb", vfb_init, vfb_setup },
-#endif
-};
-
-#define NUM_FB_DRIVERS (sizeof(fb_drivers)/sizeof(*fb_drivers))
#define FBPIXMAPSIZE 16384
-extern const char *global_mode_option;
-
-static initcall_t pref_init_funcs[FB_MAX];
-static int num_pref_init_funcs __initdata = 0;
static struct notifier_block *fb_notifier_list;
struct fb_info *registered_fb[FB_MAX];
int num_registered_fb;
-#ifdef CONFIG_FB_OF
-static int ofonly __initdata = 0;
-#endif
+/*
+ * Helpers
+ */
+
+int fb_get_color_depth(struct fb_info *info)
+{
+ struct fb_var_screeninfo *var = &info->var;
+
+ if (var->green.length == var->blue.length &&
+ var->green.length == var->red.length &&
+ !var->green.offset && !var->blue.offset &&
+ !var->red.offset)
+ return var->green.length;
+ else
+ return (var->green.length + var->red.length +
+ var->blue.length);
+}
+EXPORT_SYMBOL(fb_get_color_depth);
/*
* Drawing helpers.
const struct linux_logo *logo, u8 *dst,
int depth)
{
- int i, j, shift;
+ int i, j, k, fg = 1;
const u8 *src = logo->data;
- u8 d, xor = 0;
+ u8 d, xor = (info->fix.visual == FB_VISUAL_MONO01) ? 0xff : 0;
+
+ if (fb_get_color_depth(info) == 3)
+ fg = 7;
switch (depth) {
case 4:
}
}
break;
- case ~1:
- xor = 0xff;
case 1:
for (i = 0; i < logo->height; i++) {
- shift = 7;
- d = *src++ ^ xor;
- for (j = 0; j < logo->width; j++) {
- *dst++ = (d >> shift) & 1;
- shift = (shift-1) & 7;
- if (shift == 7)
- d = *src++ ^ xor;
+ for (j = 0; j < logo->width; src++) {
+ d = *src ^ xor;
+ for (k = 7; k >= 0; k--) {
+ *dst++ = ((d >> k) & 1) ? fg : 0;
+ j++;
+ }
}
}
break;
int fb_prepare_logo(struct fb_info *info)
{
+ int depth = fb_get_color_depth(info);
+
memset(&fb_logo, 0, sizeof(struct logo_data));
- switch (info->fix.visual) {
- case FB_VISUAL_TRUECOLOR:
- if (info->var.bits_per_pixel >= 8)
+ 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 (depth >= 8) {
+ switch (info->fix.visual) {
+ case FB_VISUAL_TRUECOLOR:
fb_logo.needs_truepalette = 1;
- break;
- case FB_VISUAL_DIRECTCOLOR:
- if (info->var.bits_per_pixel >= 24) {
+ 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;
}
- break;
- case FB_VISUAL_PSEUDOCOLOR:
- fb_logo.needs_cmapreset = 1;
- break;
}
/* Return if no suitable logo was found */
- fb_logo.logo = fb_find_logo(info->var.bits_per_pixel);
+ fb_logo.logo = fb_find_logo(depth);
if (!fb_logo.logo || fb_logo.logo->height > info->var.yres) {
fb_logo.logo = NULL;
if (fb_logo.logo == NULL || info->state != FBINFO_STATE_RUNNING)
return 0;
- image.depth = fb_logo.depth;
+ image.depth = 8;
image.data = fb_logo.logo->data;
if (fb_logo.needs_cmapreset)
info->pseudo_palette = palette;
}
- if (fb_logo.depth == 4) {
+ if (fb_logo.depth <= 4) {
logo_new = kmalloc(fb_logo.logo->width * fb_logo.logo->height,
GFP_KERNEL);
if (logo_new == NULL) {
struct inode *inode = file->f_dentry->d_inode;
int fbidx = iminor(inode);
struct fb_info *info = registered_fb[fbidx];
+ u32 *buffer, *dst, *src;
+ int c, i, cnt = 0, err = 0;
+ unsigned long total_size;
if (!info || ! info->screen_base)
return -ENODEV;
if (info->fbops->fb_read)
return info->fbops->fb_read(file, buf, count, ppos);
- if (p >= info->fix.smem_len)
+ total_size = info->screen_size;
+ if (total_size == 0)
+ total_size = info->fix.smem_len;
+
+ if (p >= total_size)
return 0;
- if (count >= info->fix.smem_len)
- count = info->fix.smem_len;
- if (count + p > info->fix.smem_len)
- count = info->fix.smem_len - p;
+ if (count >= total_size)
+ count = total_size;
+ if (count + p > total_size)
+ count = total_size - p;
+
+ cnt = 0;
+ buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count,
+ GFP_KERNEL);
+ if (!buffer)
+ return -ENOMEM;
+
+ src = (u32 *) (info->screen_base + p);
+
if (info->fbops->fb_sync)
info->fbops->fb_sync(info);
- if (count) {
- char *base_addr;
- base_addr = info->screen_base;
- count -= copy_to_user(buf, base_addr+p, count);
- if (!count)
- return -EFAULT;
- *ppos += count;
+ while (count) {
+ c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
+ dst = buffer;
+ for (i = c >> 2; i--; )
+ *dst++ = fb_readl(src++);
+ if (c & 3) {
+ u8 *dst8 = (u8 *) dst;
+ u8 *src8 = (u8 *) src;
+
+ for (i = c & 3; i--;)
+ *dst8++ = fb_readb(src8++);
+
+ src = (u32 *) src8;
+ }
+
+ if (copy_to_user(buf, buffer, c)) {
+ err = -EFAULT;
+ break;
+ }
+ *ppos += c;
+ buf += c;
+ cnt += c;
+ count -= c;
}
- return count;
+
+ kfree(buffer);
+ return (err) ? err : cnt;
}
static ssize_t
struct inode *inode = file->f_dentry->d_inode;
int fbidx = iminor(inode);
struct fb_info *info = registered_fb[fbidx];
- int err;
+ u32 *buffer, *dst, *src;
+ int c, i, cnt = 0, err;
+ unsigned long total_size;
if (!info || !info->screen_base)
return -ENODEV;
if (info->fbops->fb_write)
return info->fbops->fb_write(file, buf, count, ppos);
- if (p > info->fix.smem_len)
+ total_size = info->screen_size;
+ if (total_size == 0)
+ total_size = info->fix.smem_len;
+
+ if (p > total_size)
return -ENOSPC;
- if (count >= info->fix.smem_len)
- count = info->fix.smem_len;
+ if (count >= total_size)
+ count = total_size;
err = 0;
- if (count + p > info->fix.smem_len) {
- count = info->fix.smem_len - p;
+ if (count + p > total_size) {
+ count = total_size - p;
err = -ENOSPC;
}
+ cnt = 0;
+ buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count,
+ GFP_KERNEL);
+ if (!buffer)
+ return -ENOMEM;
+
+ dst = (u32 *) (info->screen_base + p);
+
if (info->fbops->fb_sync)
info->fbops->fb_sync(info);
- if (count) {
- char *base_addr;
- base_addr = info->screen_base;
- count -= copy_from_user(base_addr+p, buf, count);
- *ppos += count;
- err = -EFAULT;
+ while (count) {
+ c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
+ src = buffer;
+ if (copy_from_user(src, buf, c)) {
+ err = -EFAULT;
+ break;
+ }
+ for (i = c >> 2; i--; )
+ fb_writel(*src++, dst++);
+ if (c & 3) {
+ u8 *src8 = (u8 *) src;
+ u8 *dst8 = (u8 *) dst;
+
+ for (i = c & 3; i--; )
+ fb_writeb(*src8++, dst8++);
+
+ dst = (u32 *) dst8;
+ }
+ *ppos += c;
+ buf += c;
+ cnt += c;
+ count -= c;
}
- if (count)
- return count;
- return err;
+ kfree(buffer);
+
+ return (err) ? err : cnt;
}
#ifdef CONFIG_KMOD
{
struct fb_cursor_user cursor_user;
struct fb_cursor cursor;
- char *data = NULL, *mask = NULL;
+ char *data = NULL, *mask = NULL, *info_mask = NULL;
u16 *red = NULL, *green = NULL, *blue = NULL, *transp = NULL;
int err = -EINVAL;
if (copy_from_user(&cursor_user, sprite, sizeof(struct fb_cursor_user)))
return -EFAULT;
- memcpy(&cursor, &cursor_user, sizeof(cursor));
- cursor.mask = NULL;
- cursor.image.data = NULL;
- cursor.image.cmap.red = NULL;
- cursor.image.cmap.green = NULL;
- cursor.image.cmap.blue = NULL;
- cursor.image.cmap.transp = NULL;
+ memcpy(&cursor, &cursor_user, sizeof(cursor_user));
+ cursor.mask = info->cursor.mask;
+ cursor.image.data = info->cursor.image.data;
+ cursor.image.cmap.red = info->cursor.image.cmap.red;
+ cursor.image.cmap.green = info->cursor.image.cmap.green;
+ cursor.image.cmap.blue = info->cursor.image.cmap.blue;
+ cursor.image.cmap.transp = info->cursor.image.cmap.transp;
+ cursor.data = NULL;
if (cursor.set & FB_CUR_SETCUR)
info->cursor.enable = 1;
cursor.image.data = data;
cursor.mask = mask;
+ info_mask = (char *) info->cursor.mask;
+ info->cursor.mask = mask;
}
info->cursor.set = cursor.set;
info->cursor.rop = cursor.rop;
kfree(green);
kfree(blue);
kfree(transp);
+ if (info_mask)
+ info->cursor.mask = info_mask;
return err;
}
{
int err;
+ if (var->activate & FB_ACTIVATE_INV_MODE) {
+ struct fb_videomode mode1, mode2;
+ int ret = 0;
+
+ fb_var_to_videomode(&mode1, var);
+ fb_var_to_videomode(&mode2, &info->var);
+ /* make sure we don't delete the videomode of current var */
+ ret = fb_mode_is_equal(&mode1, &mode2);
+
+ if (!ret) {
+ struct fb_event event;
+
+ event.info = info;
+ event.data = &mode1;
+ ret = notifier_call_chain(&fb_notifier_list,
+ FB_EVENT_MODE_DELETE, &event);
+ }
+
+ if (!ret)
+ fb_delete_videomode(&mode1, &info->modelist);
+
+ return ret;
+ }
+
if ((var->activate & FB_ACTIVATE_FORCE) ||
memcmp(&info->var, var, sizeof(struct fb_var_screeninfo))) {
if (!info->fbops->fb_check_var) {
return err;
if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW) {
+ struct fb_videomode mode;
info->var = *var;
if (info->fbops->fb_set_par)
fb_set_cmap(&info->cmap, info);
+ fb_var_to_videomode(&mode, &info->var);
+ fb_add_videomode(&mode, &info->modelist);
+
if (info->flags & FBINFO_MISC_MODECHANGEUSER) {
+ struct fb_event event;
+
info->flags &= ~FBINFO_MISC_MODECHANGEUSER;
+ event.info = info;
notifier_call_chain(&fb_notifier_list,
- FB_EVENT_MODE_CHANGE, info);
+ FB_EVENT_MODE_CHANGE, &event);
}
}
}
struct fb_ops *fb = info->fbops;
struct fb_var_screeninfo var;
struct fb_fix_screeninfo fix;
-#ifdef CONFIG_FRAMEBUFFER_CONSOLE
struct fb_con2fbmap con2fb;
-#endif
struct fb_cmap_user cmap;
+ struct fb_event event;
void __user *argp = (void __user *)arg;
int i;
i = fb_cursor(info, argp);
release_console_sem();
return i;
-#ifdef CONFIG_FRAMEBUFFER_CONSOLE
case FBIOGET_CON2FBMAP:
if (copy_from_user(&con2fb, argp, sizeof(con2fb)))
return -EFAULT;
if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES)
return -EINVAL;
- con2fb.framebuffer = con2fb_map[con2fb.console-1];
+ con2fb.framebuffer = -1;
+ event.info = info;
+ event.data = &con2fb;
+ notifier_call_chain(&fb_notifier_list,
+ FB_EVENT_GET_CONSOLE_MAP, &event);
return copy_to_user(argp, &con2fb,
sizeof(con2fb)) ? -EFAULT : 0;
case FBIOPUT_CON2FBMAP:
#endif /* CONFIG_KMOD */
if (!registered_fb[con2fb.framebuffer])
return -EINVAL;
- if (con2fb.console > 0 && con2fb.console < MAX_NR_CONSOLES)
- return set_con2fb_map(con2fb.console-1,
- con2fb.framebuffer);
+ if (con2fb.console > 0 && con2fb.console < MAX_NR_CONSOLES) {
+ event.info = info;
+ event.data = &con2fb;
+ return notifier_call_chain(&fb_notifier_list,
+ FB_EVENT_SET_CONSOLE_MAP,
+ &event);
+ }
return -EINVAL;
-#endif /* CONFIG_FRAMEBUFFER_CONSOLE */
case FBIOBLANK:
acquire_console_sem();
i = fb_blank(info, arg);
{
int i;
struct class_device *c;
+ struct fb_event event;
if (num_registered_fb == FB_MAX)
return -ENXIO;
}
fb_info->sprite.offset = 0;
+ if (!fb_info->modelist.prev ||
+ !fb_info->modelist.next ||
+ list_empty(&fb_info->modelist)) {
+ struct fb_videomode mode;
+
+ INIT_LIST_HEAD(&fb_info->modelist);
+ fb_var_to_videomode(&mode, &fb_info->var);
+ fb_add_videomode(&mode, &fb_info->modelist);
+ }
+
registered_fb[i] = fb_info;
devfs_mk_cdev(MKDEV(FB_MAJOR, i),
S_IFCHR | S_IRUGO | S_IWUGO, "fb/%d", i);
+ event.info = fb_info;
+ notifier_call_chain(&fb_notifier_list,
+ FB_EVENT_FB_REGISTERED, &event);
return 0;
}
kfree(fb_info->pixmap.addr);
if (fb_info->sprite.addr && (fb_info->sprite.flags & FB_PIXMAP_DEFAULT))
kfree(fb_info->sprite.addr);
+ fb_destroy_modelist(&fb_info->modelist);
registered_fb[i]=NULL;
num_registered_fb--;
class_simple_device_remove(MKDEV(FB_MAJOR, i));
*/
void fb_set_suspend(struct fb_info *info, int state)
{
+ struct fb_event event;
+
+ event.info = info;
if (state) {
- notifier_call_chain(&fb_notifier_list, FB_EVENT_SUSPEND, info);
+ notifier_call_chain(&fb_notifier_list, FB_EVENT_SUSPEND, &event);
info->state = FBINFO_STATE_SUSPENDED;
} else {
info->state = FBINFO_STATE_RUNNING;
- notifier_call_chain(&fb_notifier_list, FB_EVENT_RESUME, info);
+ notifier_call_chain(&fb_notifier_list, FB_EVENT_RESUME, &event);
}
}
*
*/
-void __init
+int __init
fbmem_init(void)
{
- int i;
-
create_proc_read_entry("fb", 0, NULL, fbmem_read_proc, NULL);
devfs_mk_dir("fb");
printk(KERN_WARNING "Unable to create fb class; errno = %ld\n", PTR_ERR(fb_class));
fb_class = NULL;
}
+ return 0;
+}
+module_init(fbmem_init);
+
+#define NR_FB_DRIVERS 64
+static char *video_options[NR_FB_DRIVERS];
+static int ofonly;
-#ifdef CONFIG_FB_OF
- if (ofonly) {
- offb_init();
- return;
+/**
+ * fb_get_options - get kernel boot parameters
+ * @name - framebuffer name as it would appear in
+ * the boot parameter line
+ * (video=<name>:<options>)
+ *
+ * NOTE: Needed to maintain backwards compatibility
+ */
+int fb_get_options(char *name, char **option)
+{
+ char *opt, *options = NULL;
+ int opt_len, retval = 0;
+ int name_len = strlen(name), i;
+
+ if (name_len && ofonly && strncmp(name, "offb", 4))
+ retval = 1;
+
+ if (name_len && !retval) {
+ for (i = 0; i < NR_FB_DRIVERS; i++) {
+ if (video_options[i] == NULL)
+ continue;
+ opt_len = strlen(video_options[i]);
+ if (!opt_len)
+ continue;
+ opt = video_options[i];
+ if (!strncmp(name, opt, name_len) &&
+ opt[name_len] == ':')
+ options = opt + name_len + 1;
+ }
}
-#endif
+ if (options && !strncmp(options, "off", 3))
+ retval = 1;
- /*
- * Probe for all builtin frame buffer devices
- */
- for (i = 0; i < num_pref_init_funcs; i++)
- pref_init_funcs[i]();
+ if (option)
+ *option = options;
- for (i = 0; i < NUM_FB_DRIVERS; i++)
- if (fb_drivers[i].init)
- fb_drivers[i].init();
+ return retval;
}
-
/**
* video_setup - process command line options
* @options: string of options
* Process command line options for frame buffer subsystem.
*
* NOTE: This function is a __setup and __init function.
+ * It only stores the options. Drivers have to call
+ * fb_get_options() as necessary.
*
* Returns zero.
*
int __init video_setup(char *options)
{
- int i, j;
+ int i;
if (!options || !*options)
return 0;
-
-#ifdef CONFIG_FB_OF
- if (!strcmp(options, "ofonly")) {
- ofonly = 1;
- return 0;
- }
-#endif
-
- if (num_pref_init_funcs == FB_MAX)
- return 0;
- for (i = 0; i < NUM_FB_DRIVERS; i++) {
- j = strlen(fb_drivers[i].name);
- if (!strncmp(options, fb_drivers[i].name, j) &&
- options[j] == ':') {
- if (!strcmp(options+j+1, "off"))
- fb_drivers[i].init = NULL;
- else {
- if (fb_drivers[i].init) {
- pref_init_funcs[num_pref_init_funcs++] =
- fb_drivers[i].init;
- fb_drivers[i].init = NULL;
- }
- if (fb_drivers[i].setup)
- fb_drivers[i].setup(options+j+1);
- }
- return 0;
+ for (i = 0; i < NR_FB_DRIVERS; i++) {
+ if (!strncmp(options, "ofonly", 6))
+ ofonly = 1;
+ if (video_options[i] == NULL) {
+ video_options[i] = options;
+ break;
}
}
- /*
- * If we get here no fb was specified.
- * We consider the argument to be a global video mode option.
- */
- global_mode_option = options;
return 0;
}
-
__setup("video=", video_setup);
/*
EXPORT_SYMBOL(fb_set_suspend);
EXPORT_SYMBOL(fb_register_client);
EXPORT_SYMBOL(fb_unregister_client);
+EXPORT_SYMBOL(fb_get_options);
MODULE_LICENSE("GPL");
git://git.onelab.eu / linux-2.6.git / blobdiff