[FB] First cut at updating tgafb to 2.5 fb api. A large

scale rewrite modeled off of skeletonfb.c.

drivers/video/Makefile

@@ -48,7 +48,7 @@ obj-$(CONFIG_FB_RETINAZ3)         += retz3fb.o
 obj-$(CONFIG_FB_CLGEN)            += clgenfb.o
 obj-$(CONFIG_FB_TRIDENT)	  += tridentfb.o
 obj-$(CONFIG_FB_S3TRIO)           += S3triofb.o
-obj-$(CONFIG_FB_TGA)              += tgafb.o
+obj-$(CONFIG_FB_TGA)              += tgafb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o 
 obj-$(CONFIG_FB_VESA)             += vesafb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o 
 obj-$(CONFIG_FB_VGA16)            += vga16fb.o cfbfillrect.o cfbcopyarea.o \
 	                             cfbimgblt.o vgastate.o 

drivers/video/tgafb.h → include/video/tgafb.h

@@ -13,7 +13,7 @@
 #ifndef TGAFB_H
 #define TGAFB_H
 
-    /*
+/*
  * TGA hardware description (minimal)
  */
 
@@ -21,7 +21,7 @@
 #define TGA_TYPE_24PLANE		1
 #define TGA_TYPE_24PLUSZ		3
 
-    /*
+/*
  * Offsets within Memory Space
  */
 
@@ -52,8 +52,8 @@
 #define	TGA_CMD_STAT_REG		0x01f8
 
 
-    /* 
-     * useful defines for managing the registers
+/* 
+ * Useful defines for managing the registers
  */
 
 #define TGA_HORIZ_ODD			0x80000000
@@ -77,16 +77,16 @@
 #define TGA_VALID_CURSOR		0x04
 
 
-    /*
-     * useful defines for managing the ICS1562 PLL clock
+/*
+ * Useful defines for managing the ICS1562 PLL clock
  */
 
 #define TGA_PLL_BASE_FREQ 		14318		/* .18 */
 #define TGA_PLL_MAX_FREQ 		230000
 
 
-    /*
-     * useful defines for managing the BT485 on the 8-plane TGA
+/*
+ * Useful defines for managing the BT485 on the 8-plane TGA
  */
 
 #define	BT485_READ_BIT			0x01
@@ -111,8 +111,8 @@
 #define	BT485_CUR_HIGH_Y		0x1e
 
 
-    /*
-     * useful defines for managing the BT463 on the 24-plane TGAs
+/*
+ * Useful defines for managing the BT463 on the 24-plane TGAs
  */
 
 #define	BT463_ADDR_LO		0x0
@@ -139,55 +139,25 @@
 
 #define	BT463_WINDOW_TYPE_BASE	0x0300
 
-
-    /*
-     * Macros for reading/writing TGA and RAMDAC registers
-     */
-
-#define TGA_WRITE_REG(v,r) \
-	{ writel((v), fb_info.tga_regs_base+(r)); mb(); }
-
-#define TGA_READ_REG(r) readl(fb_info.tga_regs_base+(r))
-
-#define BT485_WRITE(v,r) \
-	  TGA_WRITE_REG((r),TGA_RAMDAC_SETUP_REG);		\
-	  TGA_WRITE_REG(((v)&0xff)|((r)<<8),TGA_RAMDAC_REG);
-
-#define BT463_LOAD_ADDR(a) \
-	TGA_WRITE_REG(BT463_ADDR_LO<<2, TGA_RAMDAC_SETUP_REG); \
-	TGA_WRITE_REG((BT463_ADDR_LO<<10)|((a)&0xff), TGA_RAMDAC_REG); \
-	TGA_WRITE_REG(BT463_ADDR_HI<<2, TGA_RAMDAC_SETUP_REG); \
-	TGA_WRITE_REG((BT463_ADDR_HI<<10)|(((a)>>8)&0xff), TGA_RAMDAC_REG);
-
-#define BT463_WRITE(m,a,v) \
-	BT463_LOAD_ADDR((a)); \
-	TGA_WRITE_REG(((m)<<2),TGA_RAMDAC_SETUP_REG); \
-	TGA_WRITE_REG(((m)<<10)|((v)&0xff),TGA_RAMDAC_REG);
-
-
-    /*
-     *  This structure describes the board.
+/*
+ * The framebuffer driver private data.
  */
 
-struct tgafb_info {
-    /* Use the generic framebuffer ops */
-    struct fb_info_gen gen;
+struct tga_par {
+	/* PCI device.  */
+	struct pci_dev *pdev;
 
-    /* Device dependent information */
+	/* Device dependent information.  */
+	void *tga_mem_base;
+	void *tga_fb_base;
+	void *tga_regs_base;
 	u8 tga_type;				/* TGA_TYPE_XXX */
 	u8 tga_chip_rev;			/* dc21030 revision */
-    u64 tga_mem_base;
-    u64 tga_fb_base;
-    u64 tga_regs_base;
-    struct fb_var_screeninfo default_var;		/* default video mode */
-};
-
 
-    /*
-     *  This structure uniquely defines a video mode.
-     */
+	/* Remember blank mode.  */
+	u8 vesa_blanked;
 
-struct tgafb_par {
+	/* Define the video mode.  */
 	u32 xres, yres;			/* resolution in pixels */
 	u32 htimings;			/* horizontal timing register */
 	u32 vtimings;			/* vertical timing register */
@@ -196,4 +166,45 @@ struct tgafb_par {
 	u32 sync_on_green;		/* set if sync is on green */
 };
 
+
+/*
+ * Macros for reading/writing TGA and RAMDAC registers
+ */
+
+static inline void
+TGA_WRITE_REG(struct tga_par *par, u32 v, u32 r)
+{
+	writel(v, par->tga_regs_base +r);
+}
+
+static inline u32
+TGA_READ_REG(struct tga_par *par, u32 r)
+{
+	return readl(par->tga_regs_base +r);
+}
+
+static inline void
+BT485_WRITE(struct tga_par *par, u8 v, u8 r)
+{
+	TGA_WRITE_REG(par, r, TGA_RAMDAC_SETUP_REG);
+	TGA_WRITE_REG(par, v | (r << 8), TGA_RAMDAC_REG);
+}
+
+static inline void
+BT463_LOAD_ADDR(struct tga_par *par, u16 a)
+{
+	TGA_WRITE_REG(par, BT463_ADDR_LO<<2, TGA_RAMDAC_SETUP_REG);
+	TGA_WRITE_REG(par, (BT463_ADDR_LO<<10) | (a & 0xff), TGA_RAMDAC_REG);
+	TGA_WRITE_REG(par, BT463_ADDR_HI<<2, TGA_RAMDAC_SETUP_REG);
+	TGA_WRITE_REG(par, (BT463_ADDR_HI<<10) | (a >> 8), TGA_RAMDAC_REG);
+}
+
+static inline void
+BT463_WRITE(struct tga_par *par, u32 m, u16 a, u8 v)
+{
+	BT463_LOAD_ADDR(par, a);
+	TGA_WRITE_REG(par, m << 2, TGA_RAMDAC_SETUP_REG);
+	TGA_WRITE_REG(par, m << 10 | v, TGA_RAMDAC_REG);
+}
+
 #endif /* TGAFB_H */