Import of Linux/MIPS 2.1.36

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_