patch-2.2.18 linux/drivers/video/retz3fb.c

• Lines: 186
• Date: Fri Oct 13 23:58:25 2000
• Orig file: v2.2.17/drivers/video/retz3fb.c
• Orig date: Fri Apr 21 12:46:40 2000

diff -u --new-file --recursive --exclude-from /usr/src/exclude v2.2.17/drivers/video/retz3fb.c linux/drivers/video/retz3fb.c
@@ -109,6 +109,7 @@
 	unsigned long physregs;
 	int currcon;
 	int current_par_valid; /* set to 0 by memset */
+	int blitbusy;
 	struct display disp;
 	struct retz3fb_par current_par;
 	unsigned char color_table [256][3];
@@ -178,11 +179,7 @@
 	"640x480", {		/* 640x480, 8 bpp */
 	    640, 480, 640, 480, 0, 0, 8, 0,
 	    {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
-#if 1
 	    0, 0, -1, -1, FB_ACCEL_NONE, 39722, 48, 16, 33, 10, 96, 2,
-#else
-	    0, 0, -1, -1, FB_ACCELF_TEXT, 38461, 28, 32, 12, 10, 96, 2,
-#endif
 	    FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,FB_VMODE_NONINTERLACED
 	}
     },
@@ -346,7 +343,7 @@
 static int get_video_mode(const char *name);
 
 
-/* -------------------- Hardware specific routines -------------------------- */
+/* -------------------- Hardware specific routines ------------------------- */
 
 static unsigned short find_fq(unsigned int freq)
 {
@@ -959,6 +956,21 @@
 }
 
 
+static inline void retz3_busy(struct display *p)
+{
+	struct retz3_fb_info *zinfo = retz3info(p->fb_info);
+	volatile unsigned char *acm = zinfo->base + ACM_OFFSET;
+	unsigned char blt_status;
+
+	if (zinfo->blitbusy) {
+		do{
+			blt_status = *((acm) + (ACM_START_STATUS + 2));
+		}while ((blt_status & 1) == 0);
+		zinfo->blitbusy = 0;
+	}
+}
+
+
 static void retz3_bitblt (struct display *p,
 			  unsigned short srcx, unsigned short srcy,
 			  unsigned short destx, unsigned short desty,
@@ -973,7 +985,6 @@
 	unsigned short mod;
 	unsigned long tmp;
 	unsigned long pat, src, dst;
-	unsigned char blt_status;
 
 	int i, xres_virtual = var->xres_virtual;
 	short bpp = (var->bits_per_pixel & 0xff);
@@ -983,16 +994,7 @@
 
 	tmp = mask | (mask << 16);
 
-#if 0
-	/*
-	 * Check for blitter finished before we start messing with the
-	 * pattern.
-	 */
-	do{
-		blt_status = *(((volatile unsigned char *)acm) +
-			       (ACM_START_STATUS + 2));
-	}while ((blt_status & 1) == 0);
-#endif
+	retz3_busy(p);
 
 	i = 0;
 	do{
@@ -1042,23 +1044,7 @@
 
 	*(((volatile unsigned char *)acm) + ACM_START_STATUS) = 0x00;
 	*(((volatile unsigned char *)acm) + ACM_START_STATUS) = 0x01;
-
-	/*
-	 * No reason to wait for the blitter to finish, it is better
-	 * just to check if it has finished before we use it again.
-	 */
-#if 1
-#if 0
-	while ((*(((volatile unsigned char *)acm) +
-		  (ACM_START_STATUS + 2)) & 1) == 0);
-#else
-	do{
-		blt_status = *(((volatile unsigned char *)acm) +
-			       (ACM_START_STATUS + 2));
-	}
-	while ((blt_status & 1) == 0);
-#endif
-#endif
+	zinfo->blitbusy = 1;
 }
 
 #if 0
@@ -1192,7 +1178,6 @@
 }
 
 
-#if 1
 static void retz3fb_set_disp(int con, struct fb_info *info)
 {
 	struct fb_fix_screeninfo fix;
@@ -1243,7 +1228,6 @@
 		break;
 	}
 }
-#endif
 
 
 /*
@@ -1613,8 +1597,8 @@
  */
 
 #ifdef FBCON_HAS_CFB8
-static void fbcon_retz3_8_bmove(struct display *p, int sy, int sx,
-				int dy, int dx, int height, int width)
+static void retz3_8_bmove(struct display *p, int sy, int sx,
+			  int dy, int dx, int height, int width)
 {
 	int fontwidth = fontwidth(p);
 
@@ -1633,8 +1617,8 @@
 		     0xffff);
 }
 
-static void fbcon_retz3_8_clear(struct vc_data *conp, struct display *p,
-				int sy, int sx, int height, int width)
+static void retz3_8_clear(struct vc_data *conp, struct display *p,
+			  int sy, int sx, int height, int width)
 {
 	unsigned short col;
 	int fontwidth = fontwidth(p);
@@ -1657,9 +1641,42 @@
 		     col);
 }
 
+
+static void retz3_putc(struct vc_data *conp, struct display *p, int c,
+		       int yy, int xx)
+{
+	retz3_busy(p);
+	fbcon_cfb8_putc(conp, p, c, yy, xx);
+}
+
+
+static void retz3_putcs(struct vc_data *conp, struct display *p,
+			const unsigned short *s, int count,
+			int yy, int xx)
+{
+	retz3_busy(p);
+	fbcon_cfb8_putcs(conp, p, s, count, yy, xx);
+}
+
+
+static void retz3_revc(struct display *p, int xx, int yy)
+{
+	retz3_busy(p);
+	fbcon_cfb8_revc(p, xx, yy);
+}
+
+
+static void retz3_clear_margins(struct vc_data* conp, struct display* p,
+				int bottom_only)
+{
+	retz3_busy(p);
+	fbcon_cfb8_clear_margins(conp, p, bottom_only);
+}
+
+
 static struct display_switch fbcon_retz3_8 = {
-    fbcon_cfb8_setup, fbcon_retz3_8_bmove, fbcon_retz3_8_clear,
-    fbcon_cfb8_putc, fbcon_cfb8_putcs, fbcon_cfb8_revc, NULL, NULL,
-    fbcon_cfb8_clear_margins, FONTWIDTH(8)
+    fbcon_cfb8_setup, retz3_8_bmove, retz3_8_clear,
+    retz3_putc, retz3_putcs, retz3_revc, NULL, NULL,
+    retz3_clear_margins, FONTWIDTH(8)
 };
 #endif