diff options
Diffstat (limited to 'drivers/sbus/char/fb.h')
| -rw-r--r-- | drivers/sbus/char/fb.h | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/drivers/sbus/char/fb.h b/drivers/sbus/char/fb.h new file mode 100644 index 000000000..029eac81b --- /dev/null +++ b/drivers/sbus/char/fb.h @@ -0,0 +1,210 @@ +/* $Id: fb.h,v 1.26 1997/04/17 02:29:33 miguel Exp $ + * fb.h: contains the definitions of the structures that various sun + * frame buffer can use to do console driver stuff. + * + * (C) 1996 Dave Redman (djhr@tadpole.co.uk) + * (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx) + * (C) 1996 David Miller (davem@rutgers.edu) + * (C) 1996 Peter Zaitcev (zaitcev@lab.ipmce.su) + * (C) 1996 Eddie C. Dost (ecd@skynet.be) + * (C) 1996 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + */ + +#ifndef __SPARC_FB_H_ +#define __SPARC_FB_H_ + +#include <linux/init.h> + +#define FRAME_BUFFERS 8 +#define CHAR_WIDTH 8 +#define CHAR_HEIGHT 16 + +/* Change this if we run into problems if the kernel want's to free or + * use our frame buffer pages, never seen it though. + */ +#define FB_MMAP_VM_FLAGS (VM_SHM| VM_LOCKED) + +#undef color + +/* cursor status, kernel tracked copy */ +struct cg_cursor { + short enable; /* cursor is enabled */ + struct fbcurpos cpos; /* position */ + struct fbcurpos chot; /* hot-spot */ + struct fbcurpos size; /* size of mask & image fields */ + struct fbcurpos hwsize; /* hw max size */ + int bits[2][32]; /* space for mask & image bits */ + char color [6]; /* cursor colors */ +}; + +struct cg6_info { + struct bt_regs *bt; /* color control */ + struct cg6_fbc *fbc; + unsigned int *fhc; + struct cg6_tec *tec; + struct cg6_thc *thc; + void *dhc; + unsigned char *rom; +}; + +struct tcx_info { + struct bt_regs *bt; /* color control */ + struct tcx_tec *tec; + struct tcx_thc *thc; + void *tcx_cplane; + int tcx_sizes[13]; + long tcx_offsets[13]; + int lowdepth; +}; + +struct leo_info { + struct leo_cursor *cursor; + struct leo_lc_ss0_krn *lc_ss0_krn; + struct leo_lc_ss0_usr *lc_ss0_usr; + struct leo_lc_ss1_krn *lc_ss1_krn; + struct leo_lc_ss1_usr *lc_ss1_usr; + struct leo_ld_ss0 *ld_ss0; + struct leo_ld_ss1 *ld_ss1; + struct leo_ld_gbl *ld_gbl; + struct leo_lx_krn *lx_krn; + u32 *cluts[3]; + u8 *xlut; + unsigned long offset; +}; + +struct bwtwo_info { + struct bwtwo_regs *regs; +}; + +struct cg3_info { + struct cg3_regs *regs; /* brooktree (color) registers, and more */ + int cgrdi; /* 1 if this is a cgRDI */ +}; + +struct cg14_info { + struct cg14_regs *regs; + struct cg14_cursor *cursor_regs; + struct cg14_dac *dac; + struct cg14_xlut *xlut; + struct cg14_clut *clut; + int ramsize; + int video_mode; +}; + +typedef union +{ + unsigned int bt[8]; + unsigned char ibm[8]; +} dacptr; + +struct weitek_info +{ + int p9000; /* p9000? or p9100 */ + dacptr *dac; /* dac structures */ + unsigned int fbsize; /* size of frame buffer */ +}; + +/* Array holding the information for the frame buffers */ +typedef struct fbinfo { + union { + struct bwtwo_info bwtwo; + struct cg3_info cg3; + struct cg6_info cg6; + struct cg14_info cg14; + struct tcx_info tcx; + struct leo_info leo; + } info; /* per frame information */ + int space; /* I/O space this card resides in */ + int blanked; /* true if video blanked */ + int open; /* is this fb open? */ + int mmaped; /* has this fb been mmapped? */ + int vtconsole; /* virtual console where it is opened */ + long base; /* frame buffer base */ + struct fbtype type; /* frame buffer type */ + int real_type; /* real frame buffer FBTYPE* */ + int emulations[4]; /* possible emulations (-1 N/A) */ + int prom_node; /* node of the device in prom tree */ + int base_depth; /* depth of fb->base piece */ + struct cg_cursor cursor; /* kernel state of hw cursor */ + int (*mmap)(struct inode *, struct file *, struct vm_area_struct *, + long fb_base, struct fbinfo *); + void (*loadcmap)(struct fbinfo *fb, int index, int count); + void (*blank)(struct fbinfo *fb); + void (*unblank)(struct fbinfo *fb); + int (*ioctl)(struct inode *, struct file *, uint, unsigned long, + struct fbinfo *); + void (*reset)(struct fbinfo *fb); + void (*switch_from_graph)(void); + void (*setcursor)(struct fbinfo *); + void (*setcurshape)(struct fbinfo *); + void (*setcursormap)(struct fbinfo *, unsigned char *, + unsigned char *, unsigned char *); + unsigned long (*postsetup)(struct fbinfo *, unsigned long); + void (*blitc)(unsigned short, int, int); + void (*setw)(int, int, unsigned short, int); + void (*cpyw)(int, int, unsigned short *, int); + void (*fill)(int, int, int *); + unsigned char *color_map; + struct openpromfs_dev proc_entry; +} fbinfo_t; + +#define CM(i, j) [3*(i)+(j)] + +extern unsigned char reverse_color_table[]; + +#define CHARATTR_TO_SUNCOLOR(attr) \ + ((reverse_color_table[(attr) >> 12] << 4) | \ + reverse_color_table[((attr) >> 8) & 0x0f]) + +extern fbinfo_t *fbinfo; +extern int fbinfos; + +struct { + char *name; /* prom name */ + int width, height; /* prefered w,h match */ + void (*fbtype)(fbinfo_t *); /* generic device type */ + /* device specific init routine */ + unsigned long (*fbinit)(fbinfo_t *fbinfo, unsigned int addr); +} fb_entry; + +extern int fb_init(void); + +extern void (*fb_restore_palette)(fbinfo_t *fbinfo); +extern void (*fb_hide_cursor)(int cursor_pos); +extern void (*fb_set_cursor)(int oldpos, int idx); +extern void (*fb_clear_screen)( void ); +extern void (*fb_blitc)(unsigned char *, int, unsigned int *, unsigned int); +extern void (*fb_font_init)(unsigned char *font); +/* All framebuffers are likely to require this info */ + +/* Screen dimensions and color depth. */ +extern int con_depth, con_width; +extern int con_height, con_linebytes; +extern int ints_per_line; + +/* used in the mmap routines */ +extern unsigned int get_phys (unsigned long addr); +extern int get_iospace (unsigned long addr); +extern void render_screen(void); + +extern void sun_hw_hide_cursor(void); +extern void sun_hw_set_cursor(int, int); +extern int sun_hw_scursor(struct fbcursor *,fbinfo_t *); +extern int sun_hw_cursor_shown; +extern int sun_prom_console_id; + +extern unsigned long sun_cg_postsetup(fbinfo_t *, unsigned long); + +#define FB_DEV(x) (MINOR(x) / 32) + +extern void cg3_setup (fbinfo_t *, int, u32, int, struct linux_sbus_device *); +extern void cg6_setup (fbinfo_t *, int, u32, int); +extern void cg14_setup (fbinfo_t *, int, int, u32, int); +extern void bwtwo_setup (fbinfo_t *, int, u32, int, + struct linux_sbus_device *); +extern void leo_setup (fbinfo_t *, int, u32, int); +extern void tcx_setup (fbinfo_t *, int, int, u32, struct linux_sbus_device *); +extern void creator_setup (fbinfo_t *, int, int, unsigned long, int); +extern int io_remap_page_range(unsigned long from, unsigned long offset, unsigned long size, pgprot_t prot, int space); + +#endif __SPARC_FB_H_ |