* Frame buffer device initialization and setup routines
*/
-extern int acornfb_init(void);
-extern int acornfb_setup(char*);
-extern int amba_clcdfb_init(void);
-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_ARMCLCD
- { "ambaclcdfb", amba_clcdfb_init, NULL },
-#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
*/
*
*/
-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);
-#ifdef CONFIG_FB_OF
- if (ofonly) {
- offb_init();
- return;
- }
-#endif
-
- /*
- * Probe for all builtin frame buffer devices
- */
- for (i = 0; i < num_pref_init_funcs; i++)
- pref_init_funcs[i]();
+#define NR_FB_DRIVERS 64
+static char *video_options[NR_FB_DRIVERS];
- for (i = 0; i < NUM_FB_DRIVERS; i++)
- if (fb_drivers[i].init)
- fb_drivers[i].init();
+/**
+ * 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
+ */
+char* fb_get_options(char *name)
+{
+ char *option = NULL;
+ char *opt;
+ int opt_len;
+ int name_len = strlen(name), i;
+
+ if (!name_len)
+ return option;
+
+ 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] == ':') {
+ option = opt + name_len + 1;
+ break;
+ }
+ }
+ return option;
}
-
/**
* 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 (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");
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