[FRAMEBUFFER]: Convert creatorfb to new APIs.

drivers/video/Kconfig

@@ -809,12 +809,12 @@ config FB_SBUS
 	help
 	  Say Y if you want support for SBUS or UPA based frame buffer device.
 
-config FB_CREATOR
-	bool "Creator/Creator3D support"
+config FB_FFB
+	bool "Creator/Creator3D/Elite3D support"
 	depends on FB_SBUS && SPARC64
 	help
-	  This is the frame buffer device driver for the Creator and Creator3D
-	  graphics boards.
+	  This is the frame buffer device driver for the Creator, Creator3D,
+	  and Elite3D graphics boards.
 
 config FB_TCX
 	bool "TCX (SS4/SS5 only) support"

drivers/video/Makefile

@@ -48,14 +48,6 @@ obj-$(CONFIG_FB_VGA16)            += vga16fb.o cfbfillrect.o cfbcopyarea.o \
 obj-$(CONFIG_FB_VIRGE)            += virgefb.o
 obj-$(CONFIG_FB_G364)             += g364fb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
 obj-$(CONFIG_FB_FM2)              += fm2fb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
-obj-$(CONFIG_FB_CREATOR)          += creatorfb.o sbusfb.o
-obj-$(CONFIG_FB_CGSIX)            += cgsixfb.o sbusfb.o
-obj-$(CONFIG_FB_BWTWO)            += bwtwofb.o sbusfb.o
-obj-$(CONFIG_FB_CGTHREE)          += cgthreefb.o sbusfb.o
-obj-$(CONFIG_FB_TCX)              += tcxfb.o sbusfb.o
-obj-$(CONFIG_FB_CGFOURTEEN)       += cgfourteenfb.o sbusfb.o
-obj-$(CONFIG_FB_P9100)            += p9100fb.o sbusfb.o
-obj-$(CONFIG_FB_LEO)              += leofb.o sbusfb.o
 obj-$(CONFIG_FB_STI)              += stifb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
 obj-$(CONFIG_FB_PMAG_BA)          += pmag-ba-fb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
 obj-$(CONFIG_FB_PMAGB_B)          += pmagb-b-fb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
@@ -78,6 +70,18 @@ obj-$(CONFIG_FB_E1355)            += epson1355fb.o
 obj-$(CONFIG_FB_PVR2)             += pvr2fb.o
 obj-$(CONFIG_FB_VOODOO1)          += sstfb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
 
+# One by one these are being converted over to the new APIs
+#obj-$(CONFIG_FB_CREATOR)          += creatorfb.o sbusfb.o
+#obj-$(CONFIG_FB_CGSIX)            += cgsixfb.o sbusfb.o
+#obj-$(CONFIG_FB_BWTWO)            += bwtwofb.o sbusfb.o
+#obj-$(CONFIG_FB_CGTHREE)          += cgthreefb.o sbusfb.o
+#obj-$(CONFIG_FB_TCX)              += tcxfb.o sbusfb.o
+#obj-$(CONFIG_FB_CGFOURTEEN)       += cgfourteenfb.o sbusfb.o
+#obj-$(CONFIG_FB_P9100)            += p9100fb.o sbusfb.o
+#obj-$(CONFIG_FB_LEO)              += leofb.o sbusfb.o
+
+obj-$(CONFIG_FB_FFB)               += ffb.o sbuslib.o cfbimgblt.o cfbcopyarea.o
+
 # Files generated that shall be removed upon make clean
 clean-files := promcon_tbl.c
 

drivers/video/fbmem.c

@@ -103,8 +103,6 @@ extern int hgafb_setup(char*);
 extern int matroxfb_init(void);
 extern int matroxfb_setup(char*);
 extern int hpfb_init(void);
-extern int sbusfb_init(void);
-extern int sbusfb_setup(char*);
 extern int control_init(void);
 extern int control_setup(char*);
 extern int platinum_init(void);
@@ -146,6 +144,8 @@ 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*);
 
 static struct {
 	const char *name;
@@ -153,13 +153,6 @@ static struct {
 	int (*setup)(char*);
 } fb_drivers[] __initdata = {
 
-#ifdef CONFIG_FB_SBUS
-	/*
-	 * Sbusfb must be initialized _before_ other frame buffer devices that
-	 * use PCI probing
-	 */
-	{ "sbus", sbusfb_init, sbusfb_setup },
-#endif
 	/*
 	 * Chipset specific drivers that use resource management
 	 */
@@ -244,6 +237,9 @@ static struct {
 #ifdef CONFIG_FB_STI
 	{ "stifb", stifb_init, stifb_setup },
 #endif
+#ifdef CONFIG_FB_FFB
+	{ "ffb", ffb_init, ffb_setup },
+#endif
 
 	/*
 	 * Generic drivers that are used as fallbacks

drivers/video/sbuslib.c

+/* sbuslib.c: Helper library for SBUS framebuffer drivers.
+ *
+ * Copyright (C) 2003 David S. Miller (davem@redhat.com)
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/fb.h>
+
+#include <asm/oplib.h>
+
+#include "sbuslib.h"
+
+void sbusfb_fill_var(struct fb_var_screeninfo *var, int prom_node, int bpp)
+{
+	memset(var, 0, sizeof(*var));
+
+	var->xres = prom_getintdefault(prom_node, "width", 1152);
+	var->yres = prom_getintdefault(prom_node, "height", 900);
+	var->xres_virtual = var->xres;
+	var->yres_virtual = var->yres;
+	var->bits_per_pixel = bpp;
+}
+
+EXPORT_SYMBOL(sbusfb_fill_var);
+
+static unsigned long sbusfb_mmapsize(long size, unsigned long fbsize)
+{
+	if (size == SBUS_MMAP_EMPTY) return 0;
+	if (size >= 0) return size;
+	return fbsize * (-size);
+}
+
+int sbusfb_mmap_helper(struct sbus_mmap_map *map,
+		       unsigned long physbase,
+		       unsigned long fbsize,
+		       unsigned long iospace,
+		       struct vm_area_struct *vma)
+{
+	unsigned int size, page, r, map_size;
+	unsigned long map_offset = 0;
+	unsigned long off;
+	int i;
+                                        
+	size = vma->vm_end - vma->vm_start;
+	if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
+		return -EINVAL;
+
+	off = vma->vm_pgoff << PAGE_SHIFT;
+
+	/* To stop the swapper from even considering these pages */
+	vma->vm_flags |= (VM_SHM | VM_IO | VM_LOCKED);
+	
+	/* Each page, see which map applies */
+	for (page = 0; page < size; ){
+		map_size = 0;
+		for (i = 0; map[i].size; i++)
+			if (map[i].voff == off+page) {
+				map_size = sbusfb_mmapsize(map[i].size, fbsize);
+#ifdef __sparc_v9__
+#define POFF_MASK	(PAGE_MASK|0x1UL)
+#else
+#define POFF_MASK	(PAGE_MASK)
+#endif				
+				map_offset = (physbase + map[i].poff) & POFF_MASK;
+				break;
+			}
+		if (!map_size){
+			page += PAGE_SIZE;
+			continue;
+		}
+		if (page + map_size > size)
+			map_size = size - page;
+		r = io_remap_page_range(vma,
+					vma->vm_start + page,
+					map_offset, map_size,
+					vma->vm_page_prot, iospace);
+		if (r)
+			return -EAGAIN;
+		page += map_size;
+	}
+
+	return 0;
+}

drivers/video/sbuslib.h

+/* sbuslib.h: SBUS fb helper library interfaces */
+#ifndef _SBUSLIB_H
+#define _SBUSLIB_H
+
+struct sbus_mmap_map {
+	unsigned long voff;
+	unsigned long poff;
+	unsigned long size;
+};
+
+#define SBUS_MMAP_FBSIZE(n) (-n)
+#define SBUS_MMAP_EMPTY	0x80000000
+
+extern void sbusfb_fill_var(struct fb_var_screeninfo *var, int prom_node, int bpp);
+struct vm_area_struct;
+extern int sbusfb_mmap_helper(struct sbus_mmap_map *map,
+			      unsigned long physbase, unsigned long fbsize,
+			      unsigned long iospace,
+			      struct vm_area_struct *vma);
+
+#endif /* _SBUSLIB_H */

include/video/sbusfb.h

-#include <linux/timer.h>
-#include <asm/sbus.h>
-#include <asm/oplib.h>
-#include <asm/fbio.h>
-
-#include <video/fbcon.h>
-
-struct bt_regs {
-	volatile unsigned int addr;           /* address register */
-	volatile unsigned int color_map;      /* color map */
-	volatile unsigned int control;        /* control register */
-	volatile unsigned int cursor;         /* cursor map register */
-};
-
-struct fb_info_creator {
-	struct ffb_fbc *fbc;
-	struct ffb_dac *dac;
-	int xy_margin;
-	int fifo_cache;
-	u64 yx_margin;
-	int fg_cache;
-	int bg_cache;
-	int dac_rev;
-};
-struct fb_info_cgsix {
-	struct bt_regs *bt;
-	struct cg6_fbc *fbc;
-	struct cg6_thc *thc;
-	struct cg6_tec *tec;
-	volatile u32 *fhc;
-};
-struct fb_info_bwtwo {
-	struct bw2_regs *regs;
-};
-struct fb_info_cgthree {
-	struct cg3_regs *regs;
-};
-struct fb_info_tcx {
-	struct bt_regs *bt;
-	struct tcx_thc *thc;
-	struct tcx_tec *tec;
-	u32 *cplane;
-};
-struct fb_info_leo {
-	struct leo_lx_krn *lx_krn;
-	struct leo_lc_ss0_usr *lc_ss0_usr;
-	struct leo_ld_ss0 *ld_ss0;
-	struct leo_ld_ss1 *ld_ss1;
-	struct leo_cursor *cursor;
-	unsigned int extent;
-};
-struct fb_info_cgfourteen {
-	struct cg14_regs *regs;
-	struct cg14_cursor *cursor;
-	struct cg14_clut *clut;
-	int ramsize;
-	int mode;
-};
-struct fb_info_p9100 {
-	struct p9100_ctrl *ctrl;
-	volatile u32 *fbmem;
-};
-
-struct cg_cursor {
-	char	enable;         /* cursor is enabled */
-	char	mode;		/* cursor mode */
-	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][128];   /* space for mask & image bits */
-	char	color [6];      /* cursor colors */
-	struct	timer_list timer; /* cursor timer */
-	int	blink_rate;	/* cursor blink rate */
-};
-
-struct sbus_mmap_map {
-	unsigned long voff;
-	unsigned long poff;
-	unsigned long size;
-};
-
-#define SBUS_MMAP_FBSIZE(n) (-n)
-#define SBUS_MMAP_EMPTY	0x80000000
-
-struct fb_info_sbusfb {
-	struct fb_info info;
-	struct display disp;
-	struct display_switch dispsw;
-	struct fbtype type;
-	struct sbus_dev *sbdp;
-	spinlock_t lock;
-	int prom_node, prom_parent;
-	union {
-		struct fb_info_creator ffb;
-		struct fb_info_cgsix cg6;
-		struct fb_info_bwtwo bw2;
-		struct fb_info_cgthree cg3;
-		struct fb_info_tcx tcx;
-		struct fb_info_leo leo;
-		struct fb_info_cgfourteen cg14;
-		struct fb_info_p9100 p9100;
-	} s;
-	unsigned char *color_map;
-	struct cg_cursor cursor;
-	unsigned char open;
-	unsigned char mmaped;
-	unsigned char blanked;
-	int x_margin;
-	int y_margin;
-	int vtconsole;
-	int consolecnt;
-	int graphmode;
-	int emulations[4];
-	struct sbus_mmap_map *mmap_map;
-	unsigned long physbase;
-	int iospace;
-	/* Methods */
-	void (*setup)(struct display *);
-	void (*setcursor)(struct fb_info_sbusfb *);
-	void (*setcurshape)(struct fb_info_sbusfb *);
-	void (*setcursormap)(struct fb_info_sbusfb *, unsigned char *, unsigned char *, unsigned char *);
-	void (*loadcmap)(struct fb_info_sbusfb *, struct display *, int, int);
-	int (*blank)(struct fb_info_sbusfb *);
-	int (*unblank)(struct fb_info_sbusfb *);
-	void (*margins)(struct fb_info_sbusfb *, struct display *, int, int);
-	void (*reset)(struct fb_info_sbusfb *);
-	void (*fill)(struct fb_info_sbusfb *, struct display *, int, int, unsigned short *);
-	void (*switch_from_graph)(struct fb_info_sbusfb *);
-	void (*restore_palette)(struct fb_info_sbusfb *);
-	int (*ioctl)(struct fb_info_sbusfb *, unsigned int, unsigned long);
-};
-
-extern char *creatorfb_init(struct fb_info_sbusfb *);
-extern char *cgsixfb_init(struct fb_info_sbusfb *);
-extern char *cgthreefb_init(struct fb_info_sbusfb *);
-extern char *tcxfb_init(struct fb_info_sbusfb *);
-extern char *leofb_init(struct fb_info_sbusfb *);
-extern char *bwtwofb_init(struct fb_info_sbusfb *);
-extern char *cgfourteenfb_init(struct fb_info_sbusfb *);
-extern char *p9100fb_init(struct fb_info_sbusfb *);
-
-#define sbusfbinfod(disp) ((struct fb_info_sbusfb *)(disp->fb_info))
-#define sbusfbinfo(info) ((struct fb_info_sbusfb *)(info))
-#define CM(i, j) [3*(i)+(j)]
-
-#define SBUSFBINIT_SIZECHANGE ((char *)-1)