9 files changed, 522 insertions, 343 deletions

diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index e39e33e797da..be2b657546ef 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -28,7 +28,7 @@ obj-$(CONFIG_FB_DDC)           += fb_ddc.o
 obj-$(CONFIG_FB_DEFERRED_IO)   += fb_defio.o
 
 # Hardware specific drivers go first
-obj-$(CONFIG_FB_AMIGA)            += amifb.o c2p.o
+obj-$(CONFIG_FB_AMIGA)            += amifb.o c2p_planar.o
 obj-$(CONFIG_FB_ARC)              += arcfb.o
 obj-$(CONFIG_FB_CLPS711X)         += clps711xfb.o
 obj-$(CONFIG_FB_CYBER2000)        += cyber2000fb.o
@@ -72,7 +72,7 @@ obj-$(CONFIG_FB_TCX)              += tcx.o sbuslib.o
 obj-$(CONFIG_FB_LEO)              += leo.o sbuslib.o
 obj-$(CONFIG_FB_SGIVW)            += sgivwfb.o
 obj-$(CONFIG_FB_ACORN)            += acornfb.o
-obj-$(CONFIG_FB_ATARI)            += atafb.o c2p.o atafb_mfb.o \
+obj-$(CONFIG_FB_ATARI)            += atafb.o c2p_iplan2.o atafb_mfb.o \
                                      atafb_iplan2p2.o atafb_iplan2p4.o atafb_iplan2p8.o
 obj-$(CONFIG_FB_MAC)              += macfb.o
 obj-$(CONFIG_FB_HECUBA)           += hecubafb.o
diff --git a/drivers/video/amifb.c b/drivers/video/amifb.c
index b8e9a8682f2d..100f23661465 100644
--- a/drivers/video/amifb.c
+++ b/drivers/video/amifb.c
@@ -2159,9 +2159,9 @@ static void amifb_imageblit(struct fb_info *info, const struct fb_image *image)
                         src += pitch;
                 }
         } else {
-                c2p(info->screen_base, image->data, dx, dy, width, height,
-                    par->next_line, par->next_plane, image->width,
-                    info->var.bits_per_pixel);
+                c2p_planar(info->screen_base, image->data, dx, dy, width,
+                           height, par->next_line, par->next_plane,
+                           image->width, info->var.bits_per_pixel);
         }
 }
 
diff --git a/drivers/video/atafb.c b/drivers/video/atafb.c
index 77eb8b34fbfa..8058572a7428 100644
--- a/drivers/video/atafb.c
+++ b/drivers/video/atafb.c
@@ -122,7 +122,6 @@ static struct atafb_par {
         void *screen_base;
         int yres_virtual;
         u_long next_line;
-        u_long next_plane;
 #if defined ATAFB_TT || defined ATAFB_STE
         union {
                 struct {
@@ -149,6 +148,7 @@ static struct atafb_par {
                         short mono;
                         short ste_mode;
                         short bpp;
+                        u32 pseudo_palette[16];
                 } falcon;
 #endif
                 /* Nothing needed for external mode */
@@ -614,7 +614,7 @@ static int tt_encode_fix(struct fb_fix_screeninfo *fix, struct atafb_par *par)
         fix->xpanstep = 0;
         fix->ypanstep = 1;
         fix->ywrapstep = 0;
-        fix->line_length = 0;
+        fix->line_length = par->next_line;
         fix->accel = FB_ACCEL_ATARIBLITT;
         return 0;
 }
@@ -691,6 +691,7 @@ static int tt_decode_var(struct fb_var_screeninfo *var, struct atafb_par *par)
                 return -EINVAL;
         par->yres_virtual = yres_virtual;
         par->screen_base = screen_base + var->yoffset * linelen;
+        par->next_line = linelen;
         return 0;
 }
 
@@ -884,10 +885,6 @@ static int vdl_prescale[4][3] = {
 /* Default hsync timing [mon_type] in picoseconds */
 static long h_syncs[4] = { 3000000, 4875000, 4000000, 4875000 };
 
-#ifdef FBCON_HAS_CFB16
-static u16 fbcon_cfb16_cmap[16];
-#endif
-
 static inline int hxx_prescale(struct falcon_hw *hw)
 {
         return hw->ste_mode ? 16
@@ -918,7 +915,7 @@ static int falcon_encode_fix(struct fb_fix_screeninfo *fix,
                 fix->visual = FB_VISUAL_TRUECOLOR;
                 fix->xpanstep = 2;
         }
-        fix->line_length = 0;
+        fix->line_length = par->next_line;
         fix->accel = FB_ACCEL_ATARIBLITT;
         return 0;
 }
@@ -1394,14 +1391,7 @@ set_screen_base:
         par->screen_base = screen_base + var->yoffset * linelen;
         par->hw.falcon.xoffset = 0;
 
-        // FIXME!!! sort of works, no crash
-        //par->next_line = linelen;
-        //par->next_plane = yres_virtual * linelen;
         par->next_line = linelen;
-        par->next_plane = 2;
-        // crashes
-        //par->next_plane = linelen;
-        //par->next_line  = yres_virtual * linelen;
 
         return 0;
 }
@@ -1735,10 +1725,10 @@ static int falcon_setcolreg(unsigned int regno, unsigned int red,
                         (((red & 0xe000) >> 13) | ((red & 0x1000) >> 12) << 8) |
                         (((green & 0xe000) >> 13) | ((green & 0x1000) >> 12) << 4) |
                         ((blue & 0xe000) >> 13) | ((blue & 0x1000) >> 12);
-#ifdef FBCON_HAS_CFB16
-                fbcon_cfb16_cmap[regno] = ((red & 0xf800) |
-                                           ((green & 0xfc00) >> 5) |
-                                           ((blue & 0xf800) >> 11));
+#ifdef ATAFB_FALCON
+                ((u32 *)info->pseudo_palette)[regno] = ((red & 0xf800) |
+                                                       ((green & 0xfc00) >> 5) |
+                                                       ((blue & 0xf800) >> 11));
 #endif
         }
         return 0;
@@ -1852,7 +1842,7 @@ static int stste_encode_fix(struct fb_fix_screeninfo *fix,
                 fix->ypanstep = 0;
         }
         fix->ywrapstep = 0;
-        fix->line_length = 0;
+        fix->line_length = par->next_line;
         fix->accel = FB_ACCEL_ATARIBLITT;
         return 0;
 }
@@ -1910,6 +1900,7 @@ static int stste_decode_var(struct fb_var_screeninfo *var,
                 return -EINVAL;
         par->yres_virtual = yres_virtual;
         par->screen_base = screen_base + var->yoffset * linelen;
+        par->next_line = linelen;
         return 0;
 }
 
@@ -2169,7 +2160,7 @@ static int ext_encode_fix(struct fb_fix_screeninfo *fix, struct atafb_par *par)
         fix->xpanstep = 0;
         fix->ypanstep = 0;
         fix->ywrapstep = 0;
-        fix->line_length = 0;
+        fix->line_length = par->next_line;
         return 0;
 }
 
@@ -2184,6 +2175,8 @@ static int ext_decode_var(struct fb_var_screeninfo *var, struct atafb_par *par)
             var->xoffset > 0 ||
             var->yoffset > 0)
                 return -EINVAL;
+
+        par->next_line = external_xres_virtual * external_depth / 8;
         return 0;
 }
 
@@ -2443,42 +2436,6 @@ static void atafb_set_disp(struct fb_info *info)
         atafb_get_fix(&info->fix, info);
 
         info->screen_base = (void *)info->fix.smem_start;
-
-        switch (info->fix.type) {
-        case FB_TYPE_INTERLEAVED_PLANES:
-                switch (info->var.bits_per_pixel) {
-                case 2:
-                        // display->dispsw = &fbcon_iplan2p2;
-                        break;
-                case 4:
-                        // display->dispsw = &fbcon_iplan2p4;
-                        break;
-                case 8:
-                        // display->dispsw = &fbcon_iplan2p8;
-                        break;
-                }
-                break;
-        case FB_TYPE_PACKED_PIXELS:
-                switch (info->var.bits_per_pixel) {
-#ifdef FBCON_HAS_MFB
-                case 1:
-                        // display->dispsw = &fbcon_mfb;
-                        break;
-#endif
-#ifdef FBCON_HAS_CFB8
-                case 8:
-                        // display->dispsw = &fbcon_cfb8;
-                        break;
-#endif
-#ifdef FBCON_HAS_CFB16
-                case 16:
-                        // display->dispsw = &fbcon_cfb16;
-                        // display->dispsw_data = fbcon_cfb16_cmap;
-                        break;
-#endif
-                }
-                break;
-        }
 }
 
 static int atafb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
@@ -2549,6 +2506,13 @@ static void atafb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
         if (!rect->width || !rect->height)
                 return;
 
+#ifdef ATAFB_FALCON
+        if (info->var.bits_per_pixel == 16) {
+                cfb_fillrect(info, rect);
+                return;
+        }
+#endif
+
         /*
          * We could use hardware clipping but on many cards you get around
          * hardware clipping by writing to framebuffer directly.
@@ -2583,6 +2547,13 @@ static void atafb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
         u32 dx, dy, sx, sy, width, height;
         int rev_copy = 0;
 
+#ifdef ATAFB_FALCON
+        if (info->var.bits_per_pixel == 16) {
+                cfb_copyarea(info, area);
+                return;
+        }
+#endif
+
         /* clip the destination */
         x2 = area->dx + area->width;
         y2 = area->dy + area->height;
@@ -2632,6 +2603,13 @@ static void atafb_imageblit(struct fb_info *info, const struct fb_image *image)
         const char *src;
         u32 dx, dy, width, height, pitch;
 
+#ifdef ATAFB_FALCON
+        if (info->var.bits_per_pixel == 16) {
+                cfb_imageblit(info, image);
+                return;
+        }
+#endif
+
         /*
          * We could use hardware clipping but on many cards you get around
          * hardware clipping by writing to framebuffer directly like we are
@@ -2676,10 +2654,9 @@ static void atafb_imageblit(struct fb_info *info, const struct fb_image *image)
                         src += pitch;
                 }
         } else {
-                // only used for logo; broken
-                c2p(info->screen_base, image->data, dx, dy, width, height,
-                    par->next_line, par->next_plane, image->width,
-                    info->var.bits_per_pixel);
+                c2p_iplan2(info->screen_base, image->data, dx, dy, width,
+                           height, par->next_line, image->width,
+                           info->var.bits_per_pixel);
         }
 }
 
@@ -3098,8 +3075,7 @@ int __init atafb_setup(char *options)
 
 int __init atafb_init(void)
 {
-        int pad;
-        int detected_mode;
+        int pad, detected_mode, error;
         unsigned int defmode = 0;
         unsigned long mem_req;
 
@@ -3139,8 +3115,12 @@ int __init atafb_init(void)
                         printk("atafb_init: initializing Falcon hw\n");
                         fbhw = &falcon_switch;
                         atafb_ops.fb_setcolreg = &falcon_setcolreg;
-                        request_irq(IRQ_AUTO_4, falcon_vbl_switcher, IRQ_TYPE_PRIO,
-                                    "framebuffer/modeswitch", falcon_vbl_switcher);
+                        error = request_irq(IRQ_AUTO_4, falcon_vbl_switcher,
+                                            IRQ_TYPE_PRIO,
+                                            "framebuffer/modeswitch",
+                                            falcon_vbl_switcher);
+                        if (error)
+                                return error;
                         defmode = DEFMODE_F30;
                         break;
                 }
@@ -3225,6 +3205,10 @@ int __init atafb_init(void)
         // tries to read from HW which may not be initialized yet
         // so set sane var first, then call atafb_set_par
         atafb_get_var(&fb_info.var, &fb_info);
+
+#ifdef ATAFB_FALCON
+        fb_info.pseudo_palette = current_par.hw.falcon.pseudo_palette;
+#endif
         fb_info.flags = FBINFO_FLAG_DEFAULT;
 
         if (!fb_find_mode(&fb_info.var, &fb_info, mode_option, atafb_modedb,
diff --git a/drivers/video/c2p.c b/drivers/video/c2p.c
deleted file mode 100644
index 376bc07ff952..000000000000
--- a/drivers/video/c2p.c
+++ /dev/null
@@ -1,232 +0,0 @@
-/*
- *  Fast C2P (Chunky-to-Planar) Conversion
- *
- *  Copyright (C) 2003 Geert Uytterhoeven
- *
- *  NOTES:
- *    - This code was inspired by Scout's C2P tutorial
- *    - It assumes to run on a big endian system
- *
- *  This file is subject to the terms and conditions of the GNU General Public
- *  License. See the file COPYING in the main directory of this archive
- *  for more details.
- */
-
-#include <linux/module.h>
-#include <linux/string.h>
-#include "c2p.h"
-
-
-    /*
-     *  Basic transpose step
-     */
-
-#define _transp(d, i1, i2, shift, mask)                 \
-    do {                                                \
-        u32 t = (d[i1] ^ (d[i2] >> shift)) & mask;      \
-        d[i1] ^= t;                                     \
-        d[i2] ^= t << shift;                            \
-    } while (0)
-
-static inline u32 get_mask(int n)
-{
-    switch (n) {
-        case 1:
-            return 0x55555555;
-            break;
-
-        case 2:
-            return 0x33333333;
-            break;
-
-        case 4:
-            return 0x0f0f0f0f;
-            break;
-
-        case 8:
-            return 0x00ff00ff;
-            break;
-
-        case 16:
-            return 0x0000ffff;
-            break;
-    }
-    return 0;
-}
-
-#define transp_nx1(d, n)                                \
-    do {                                                \
-        u32 mask = get_mask(n);                         \
-        /* First block */                               \
-        _transp(d, 0, 1, n, mask);                      \
-        /* Second block */                              \
-        _transp(d, 2, 3, n, mask);                      \
-        /* Third block */                               \
-        _transp(d, 4, 5, n, mask);                      \
-        /* Fourth block */                              \
-        _transp(d, 6, 7, n, mask);                      \
-    } while (0)
-
-#define transp_nx2(d, n)                                \
-    do {                                                \
-        u32 mask = get_mask(n);                         \
-        /* First block */                               \
-        _transp(d, 0, 2, n, mask);                      \
-        _transp(d, 1, 3, n, mask);                      \
-        /* Second block */                              \
-        _transp(d, 4, 6, n, mask);                      \
-        _transp(d, 5, 7, n, mask);                      \
-    } while (0)
-
-#define transp_nx4(d, n)                                \
-    do {                                                \
-        u32 mask = get_mask(n);                         \
-        _transp(d, 0, 4, n, mask);                      \
-        _transp(d, 1, 5, n, mask);                      \
-        _transp(d, 2, 6, n, mask);                      \
-        _transp(d, 3, 7, n, mask);                      \
-    } while (0)
-
-#define transp(d, n, m) transp_nx ## m(d, n)
-
-
-    /*
-     *  Perform a full C2P step on 32 8-bit pixels, stored in 8 32-bit words
-     *  containing
-     *    - 32 8-bit chunky pixels on input
-     *    - permuted planar data on output
-     */
-
-static void c2p_8bpp(u32 d[8])
-{
-    transp(d, 16, 4);
-    transp(d, 8, 2);
-    transp(d, 4, 1);
-    transp(d, 2, 4);
-    transp(d, 1, 2);
-}
-
-
-    /*
-     *  Array containing the permution indices of the planar data after c2p
-     */
-
-static const int perm_c2p_8bpp[8] = { 7, 5, 3, 1, 6, 4, 2, 0 };
-
-
-    /*
-     *  Compose two values, using a bitmask as decision value
-     *  This is equivalent to (a & mask) | (b & ~mask)
-     */
-
-static inline unsigned long comp(unsigned long a, unsigned long b,
-                                 unsigned long mask)
-{
-        return ((a ^ b) & mask) ^ b;
-}
-
-
-    /*
-     *  Store a full block of planar data after c2p conversion
-     */
-
-static inline void store_planar(char *dst, u32 dst_inc, u32 bpp, u32 d[8])
-{
-    int i;
-
-    for (i = 0; i < bpp; i++, dst += dst_inc)
-        *(u32 *)dst = d[perm_c2p_8bpp[i]];
-}
-
-
-    /*
-     *  Store a partial block of planar data after c2p conversion
-     */
-
-static inline void store_planar_masked(char *dst, u32 dst_inc, u32 bpp,
-                                       u32 d[8], u32 mask)
-{
-    int i;
-
-    for (i = 0; i < bpp; i++, dst += dst_inc)
-        *(u32 *)dst = comp(d[perm_c2p_8bpp[i]], *(u32 *)dst, mask);
-}
-
-
-    /*
-     *  c2p - Copy 8-bit chunky image data to a planar frame buffer
-     *  @dst: Starting address of the planar frame buffer
-     *  @dx: Horizontal destination offset (in pixels)
-     *  @dy: Vertical destination offset (in pixels)
-     *  @width: Image width (in pixels)
-     *  @height: Image height (in pixels)
-     *  @dst_nextline: Frame buffer offset to the next line (in bytes)
-     *  @dst_nextplane: Frame buffer offset to the next plane (in bytes)
-     *  @src_nextline: Image offset to the next line (in bytes)
-     *  @bpp: Bits per pixel of the planar frame buffer (1-8)
-     */
-
-void c2p(u8 *dst, const u8 *src, u32 dx, u32 dy, u32 width, u32 height,
-         u32 dst_nextline, u32 dst_nextplane, u32 src_nextline, u32 bpp)
-{
-    int dst_idx;
-    u32 d[8], first, last, w;
-    const u8 *c;
-    u8 *p;
-
-    dst += dy*dst_nextline+(dx & ~31);
-    dst_idx = dx % 32;
-    first = ~0UL >> dst_idx;
-    last = ~(~0UL >> ((dst_idx+width) % 32));
-    while (height--) {
-        c = src;
-        p = dst;
-        w = width;
-        if (dst_idx+width <= 32) {
-            /* Single destination word */
-            first &= last;
-            memset(d, 0, sizeof(d));
-            memcpy((u8 *)d+dst_idx, c, width);
-            c += width;
-            c2p_8bpp(d);
-            store_planar_masked(p, dst_nextplane, bpp, d, first);
-            p += 4;
-        } else {
-            /* Multiple destination words */
-            w = width;
-            /* Leading bits */
-            if (dst_idx) {
-                w = 32 - dst_idx;
-                memset(d, 0, dst_idx);
-                memcpy((u8 *)d+dst_idx, c, w);
-                c += w;
-                c2p_8bpp(d);
-                store_planar_masked(p, dst_nextplane, bpp, d, first);
-                p += 4;
-                w = width-w;
-            }
-            /* Main chunk */
-            while (w >= 32) {
-                memcpy(d, c, 32);
-                c += 32;
-                c2p_8bpp(d);
-                store_planar(p, dst_nextplane, bpp, d);
-                p += 4;
-                w -= 32;
-            }
-            /* Trailing bits */
-            w %= 32;
-            if (w > 0) {
-                memcpy(d, c, w);
-                memset((u8 *)d+w, 0, 32-w);
-                c2p_8bpp(d);
-                store_planar_masked(p, dst_nextplane, bpp, d, last);
-            }
-        }
-        src += src_nextline;
-        dst += dst_nextline;
-    }
-}
-EXPORT_SYMBOL_GPL(c2p);
-
-MODULE_LICENSE("GPL");
diff --git a/drivers/video/c2p.h b/drivers/video/c2p.h
index c77cbf17e043..6c38d40427d8 100644
--- a/drivers/video/c2p.h
+++ b/drivers/video/c2p.h
@@ -1,7 +1,7 @@
 /*
  *  Fast C2P (Chunky-to-Planar) Conversion
  *
- *  Copyright (C) 2003 Geert Uytterhoeven
+ *  Copyright (C) 2003-2008 Geert Uytterhoeven
  *
  *  This file is subject to the terms and conditions of the GNU General Public
  *  License. See the file COPYING in the main directory of this archive
@@ -10,7 +10,10 @@
 
 #include <linux/types.h>
 
-extern void c2p(u8 *dst, const u8 *src, u32 dx, u32 dy, u32 width, u32 height,
-                u32 dst_nextline, u32 dst_nextplane, u32 src_nextline,
-                u32 bpp);
+extern void c2p_planar(void *dst, const void *src, u32 dx, u32 dy, u32 width,
+                       u32 height, u32 dst_nextline, u32 dst_nextplane,
+                       u32 src_nextline, u32 bpp);
 
+extern void c2p_iplan2(void *dst, const void *src, u32 dx, u32 dy, u32 width,
+                       u32 height, u32 dst_nextline, u32 src_nextline,
+                       u32 bpp);
diff --git a/drivers/video/c2p_core.h b/drivers/video/c2p_core.h
new file mode 100644
index 000000000000..e1035a865fb9
--- /dev/null
+++ b/drivers/video/c2p_core.h
@@ -0,0 +1,153 @@
+/*
+ *  Fast C2P (Chunky-to-Planar) Conversion
+ *
+ *  Copyright (C) 2003-2008 Geert Uytterhoeven
+ *
+ *  NOTES:
+ *    - This code was inspired by Scout's C2P tutorial
+ *    - It assumes to run on a big endian system
+ *
+ *  This file is subject to the terms and conditions of the GNU General Public
+ *  License. See the file COPYING in the main directory of this archive
+ *  for more details.
+ */
+
+
+    /*
+     *  Basic transpose step
+     */
+
+static inline void _transp(u32 d[], unsigned int i1, unsigned int i2,
+                           unsigned int shift, u32 mask)
+{
+        u32 t = (d[i1] ^ (d[i2] >> shift)) & mask;
+
+        d[i1] ^= t;
+        d[i2] ^= t << shift;
+}
+
+
+extern void c2p_unsupported(void);
+
+static inline u32 get_mask(unsigned int n)
+{
+        switch (n) {
+        case 1:
+                return 0x55555555;
+
+        case 2:
+                return 0x33333333;
+
+        case 4:
+                return 0x0f0f0f0f;
+
+        case 8:
+                return 0x00ff00ff;
+
+        case 16:
+                return 0x0000ffff;
+        }
+
+        c2p_unsupported();
+        return 0;
+}
+
+
+    /*
+     *  Transpose operations on 8 32-bit words
+     */
+
+static inline void transp8(u32 d[], unsigned int n, unsigned int m)
+{
+        u32 mask = get_mask(n);
+
+        switch (m) {
+        case 1:
+                /* First n x 1 block */
+                _transp(d, 0, 1, n, mask);
+                /* Second n x 1 block */
+                _transp(d, 2, 3, n, mask);
+                /* Third n x 1 block */
+                _transp(d, 4, 5, n, mask);
+                /* Fourth n x 1 block */
+                _transp(d, 6, 7, n, mask);
+                return;
+
+        case 2:
+                /* First n x 2 block */
+                _transp(d, 0, 2, n, mask);
+                _transp(d, 1, 3, n, mask);
+                /* Second n x 2 block */
+                _transp(d, 4, 6, n, mask);
+                _transp(d, 5, 7, n, mask);
+                return;
+
+        case 4:
+                /* Single n x 4 block */
+                _transp(d, 0, 4, n, mask);
+                _transp(d, 1, 5, n, mask);
+                _transp(d, 2, 6, n, mask);
+                _transp(d, 3, 7, n, mask);
+                return;
+        }
+
+        c2p_unsupported();
+}
+
+
+    /*
+     *  Transpose operations on 4 32-bit words
+     */
+
+static inline void transp4(u32 d[], unsigned int n, unsigned int m)
+{
+        u32 mask = get_mask(n);
+
+        switch (m) {
+        case 1:
+                /* First n x 1 block */
+                _transp(d, 0, 1, n, mask);
+                /* Second n x 1 block */
+                _transp(d, 2, 3, n, mask);
+                return;
+
+        case 2:
+                /* Single n x 2 block */
+                _transp(d, 0, 2, n, mask);
+                _transp(d, 1, 3, n, mask);
+                return;
+        }
+
+        c2p_unsupported();
+}
+
+
+    /*
+     *  Transpose operations on 4 32-bit words (reverse order)
+     */
+
+static inline void transp4x(u32 d[], unsigned int n, unsigned int m)
+{
+        u32 mask = get_mask(n);
+
+        switch (m) {
+        case 2:
+                /* Single n x 2 block */
+                _transp(d, 2, 0, n, mask);
+                _transp(d, 3, 1, n, mask);
+                return;
+        }
+
+        c2p_unsupported();
+}
+
+
+    /*
+     *  Compose two values, using a bitmask as decision value
+     *  This is equivalent to (a & mask) | (b & ~mask)
+     */
+
+static inline u32 comp(u32 a, u32 b, u32 mask)
+{
+        return ((a ^ b) & mask) ^ b;
+}
diff --git a/drivers/video/c2p_iplan2.c b/drivers/video/c2p_iplan2.c
new file mode 100644
index 000000000000..19156dc6158c
--- /dev/null
+++ b/drivers/video/c2p_iplan2.c
@@ -0,0 +1,153 @@
+/*
+ *  Fast C2P (Chunky-to-Planar) Conversion
+ *
+ *  Copyright (C) 2003-2008 Geert Uytterhoeven
+ *
+ *  This file is subject to the terms and conditions of the GNU General Public
+ *  License. See the file COPYING in the main directory of this archive
+ *  for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/string.h>
+
+#include <asm/unaligned.h>
+
+#include "c2p.h"
+#include "c2p_core.h"
+
+
+    /*
+     *  Perform a full C2P step on 16 8-bit pixels, stored in 4 32-bit words
+     *  containing
+     *    - 16 8-bit chunky pixels on input
+     *    - permutated planar data (2 planes per 32-bit word) on output
+     */
+
+static void c2p_16x8(u32 d[4])
+{
+        transp4(d, 8, 2);
+        transp4(d, 1, 2);
+        transp4x(d, 16, 2);
+        transp4x(d, 2, 2);
+        transp4(d, 4, 1);
+}
+
+
+    /*
+     *  Array containing the permutation indices of the planar data after c2p
+     */
+
+static const int perm_c2p_16x8[4] = { 1, 3, 0, 2 };
+
+
+    /*
+     *  Store a full block of iplan2 data after c2p conversion
+     */
+
+static inline void store_iplan2(void *dst, u32 bpp, u32 d[4])
+{
+        int i;
+
+        for (i = 0; i < bpp/2; i++, dst += 4)
+                put_unaligned_be32(d[perm_c2p_16x8[i]], dst);
+}
+
+
+    /*
+     *  Store a partial block of iplan2 data after c2p conversion
+     */
+
+static inline void store_iplan2_masked(void *dst, u32 bpp, u32 d[4], u32 mask)
+{
+        int i;
+
+        for (i = 0; i < bpp/2; i++, dst += 4)
+                put_unaligned_be32(comp(d[perm_c2p_16x8[i]],
+                                        get_unaligned_be32(dst), mask),
+                                   dst);
+}
+
+
+    /*
+     *  c2p_iplan2 - Copy 8-bit chunky image data to an interleaved planar
+     *  frame buffer with 2 bytes of interleave
+     *  @dst: Starting address of the planar frame buffer
+     *  @dx: Horizontal destination offset (in pixels)
+     *  @dy: Vertical destination offset (in pixels)
+     *  @width: Image width (in pixels)
+     *  @height: Image height (in pixels)
+     *  @dst_nextline: Frame buffer offset to the next line (in bytes)
+     *  @src_nextline: Image offset to the next line (in bytes)
+     *  @bpp: Bits per pixel of the planar frame buffer (2, 4, or 8)
+     */
+
+void c2p_iplan2(void *dst, const void *src, u32 dx, u32 dy, u32 width,
+                u32 height, u32 dst_nextline, u32 src_nextline, u32 bpp)
+{
+        union {
+                u8 pixels[16];
+                u32 words[4];
+        } d;
+        u32 dst_idx, first, last, w;
+        const u8 *c;
+        void *p;
+
+        dst += dy*dst_nextline+(dx & ~15)*bpp;
+        dst_idx = dx % 16;
+        first = 0xffffU >> dst_idx;
+        first |= first << 16;
+        last = 0xffffU ^ (0xffffU >> ((dst_idx+width) % 16));
+        last |= last << 16;
+        while (height--) {
+                c = src;
+                p = dst;
+                w = width;
+                if (dst_idx+width <= 16) {
+                        /* Single destination word */
+                        first &= last;
+                        memset(d.pixels, 0, sizeof(d));
+                        memcpy(d.pixels+dst_idx, c, width);
+                        c += width;
+                        c2p_16x8(d.words);
+                        store_iplan2_masked(p, bpp, d.words, first);
+                        p += bpp*2;
+                } else {
+                        /* Multiple destination words */
+                        w = width;
+                        /* Leading bits */
+                        if (dst_idx) {
+                                w = 16 - dst_idx;
+                                memset(d.pixels, 0, dst_idx);
+                                memcpy(d.pixels+dst_idx, c, w);
+                                c += w;
+                                c2p_16x8(d.words);
+                                store_iplan2_masked(p, bpp, d.words, first);
+                                p += bpp*2;
+                                w = width-w;
+                        }
+                        /* Main chunk */
+                        while (w >= 16) {
+                                memcpy(d.pixels, c, 16);
+                                c += 16;
+                                c2p_16x8(d.words);
+                                store_iplan2(p, bpp, d.words);
+                                p += bpp*2;
+                                w -= 16;
+                        }
+                        /* Trailing bits */
+                        w %= 16;
+                        if (w > 0) {
+                                memcpy(d.pixels, c, w);
+                                memset(d.pixels+w, 0, 16-w);
+                                c2p_16x8(d.words);
+                                store_iplan2_masked(p, bpp, d.words, last);
+                        }
+                }
+                src += src_nextline;
+                dst += dst_nextline;
+        }
+}
+EXPORT_SYMBOL_GPL(c2p_iplan2);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/c2p_planar.c b/drivers/video/c2p_planar.c
new file mode 100644
index 000000000000..ec7ac8526f06
--- /dev/null
+++ b/drivers/video/c2p_planar.c
@@ -0,0 +1,156 @@
+/*
+ *  Fast C2P (Chunky-to-Planar) Conversion
+ *
+ *  Copyright (C) 2003-2008 Geert Uytterhoeven
+ *
+ *  This file is subject to the terms and conditions of the GNU General Public
+ *  License. See the file COPYING in the main directory of this archive
+ *  for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/string.h>
+
+#include <asm/unaligned.h>
+
+#include "c2p.h"
+#include "c2p_core.h"
+
+
+    /*
+     *  Perform a full C2P step on 32 8-bit pixels, stored in 8 32-bit words
+     *  containing
+     *    - 32 8-bit chunky pixels on input
+     *    - permutated planar data (1 plane per 32-bit word) on output
+     */
+
+static void c2p_32x8(u32 d[8])
+{
+        transp8(d, 16, 4);
+        transp8(d, 8, 2);
+        transp8(d, 4, 1);
+        transp8(d, 2, 4);
+        transp8(d, 1, 2);
+}
+
+
+    /*
+     *  Array containing the permutation indices of the planar data after c2p
+     */
+
+static const int perm_c2p_32x8[8] = { 7, 5, 3, 1, 6, 4, 2, 0 };
+
+
+    /*
+     *  Store a full block of planar data after c2p conversion
+     */
+
+static inline void store_planar(void *dst, u32 dst_inc, u32 bpp, u32 d[8])
+{
+        int i;
+
+        for (i = 0; i < bpp; i++, dst += dst_inc)
+                put_unaligned_be32(d[perm_c2p_32x8[i]], dst);
+}
+
+
+    /*
+     *  Store a partial block of planar data after c2p conversion
+     */
+
+static inline void store_planar_masked(void *dst, u32 dst_inc, u32 bpp,
+                                       u32 d[8], u32 mask)
+{
+        int i;
+
+        for (i = 0; i < bpp; i++, dst += dst_inc)
+                put_unaligned_be32(comp(d[perm_c2p_32x8[i]],
+                                        get_unaligned_be32(dst), mask),
+                                   dst);
+}
+
+
+    /*
+     *  c2p_planar - Copy 8-bit chunky image data to a planar frame buffer
+     *  @dst: Starting address of the planar frame buffer
+     *  @dx: Horizontal destination offset (in pixels)
+     *  @dy: Vertical destination offset (in pixels)
+     *  @width: Image width (in pixels)
+     *  @height: Image height (in pixels)
+     *  @dst_nextline: Frame buffer offset to the next line (in bytes)
+     *  @dst_nextplane: Frame buffer offset to the next plane (in bytes)
+     *  @src_nextline: Image offset to the next line (in bytes)
+     *  @bpp: Bits per pixel of the planar frame buffer (1-8)
+     */
+
+void c2p_planar(void *dst, const void *src, u32 dx, u32 dy, u32 width,
+                u32 height, u32 dst_nextline, u32 dst_nextplane,
+                u32 src_nextline, u32 bpp)
+{
+        union {
+                u8 pixels[32];
+                u32 words[8];
+        } d;
+        u32 dst_idx, first, last, w;
+        const u8 *c;
+        void *p;
+
+        dst += dy*dst_nextline+(dx & ~31);
+        dst_idx = dx % 32;
+        first = 0xffffffffU >> dst_idx;
+        last = ~(0xffffffffU >> ((dst_idx+width) % 32));
+        while (height--) {
+                c = src;
+                p = dst;
+                w = width;
+                if (dst_idx+width <= 32) {
+                        /* Single destination word */
+                        first &= last;
+                        memset(d.pixels, 0, sizeof(d));
+                        memcpy(d.pixels+dst_idx, c, width);
+                        c += width;
+                        c2p_32x8(d.words);
+                        store_planar_masked(p, dst_nextplane, bpp, d.words,
+                                            first);
+                        p += 4;
+                } else {
+                        /* Multiple destination words */
+                        w = width;
+                        /* Leading bits */
+                        if (dst_idx) {
+                                w = 32 - dst_idx;
+                                memset(d.pixels, 0, dst_idx);
+                                memcpy(d.pixels+dst_idx, c, w);
+                                c += w;
+                                c2p_32x8(d.words);
+                                store_planar_masked(p, dst_nextplane, bpp,
+                                                    d.words, first);
+                                p += 4;
+                                w = width-w;
+                        }
+                        /* Main chunk */
+                        while (w >= 32) {
+                                memcpy(d.pixels, c, 32);
+                                c += 32;
+                                c2p_32x8(d.words);
+                                store_planar(p, dst_nextplane, bpp, d.words);
+                                p += 4;
+                                w -= 32;
+                        }
+                        /* Trailing bits */
+                        w %= 32;
+                        if (w > 0) {
+                                memcpy(d.pixels, c, w);
+                                memset(d.pixels+w, 0, 32-w);
+                                c2p_32x8(d.words);
+                                store_planar_masked(p, dst_nextplane, bpp,
+                                                    d.words, last);
+                        }
+                }
+                src += src_nextline;
+                dst += dst_nextline;
+        }
+}
+EXPORT_SYMBOL_GPL(c2p_planar);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index 4bcff81b50e0..1657b9608b04 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -78,13 +78,6 @@
 #include <asm/fb.h>
 #include <asm/irq.h>
 #include <asm/system.h>
-#ifdef CONFIG_ATARI
-#include <asm/atariints.h>
-#endif
-#if defined(__mc68000__)
-#include <asm/machdep.h>
-#include <asm/setup.h>
-#endif
 
 #include "fbcon.h"
 
@@ -155,9 +148,6 @@ static int fbcon_set_origin(struct vc_data *);
 
 #define CURSOR_DRAW_DELAY               (1)
 
-/* # VBL ints between cursor state changes */
-#define ATARI_CURSOR_BLINK_RATE         (42)
-
 static int vbl_cursor_cnt;
 static int fbcon_cursor_noblink;
 
@@ -403,20 +393,6 @@ static void fb_flashcursor(struct work_struct *work)
         release_console_sem();
 }
 
-#ifdef CONFIG_ATARI
-static int cursor_blink_rate;
-static irqreturn_t fb_vbl_handler(int irq, void *dev_id)
-{
-        struct fb_info *info = dev_id;
-
-        if (vbl_cursor_cnt && --vbl_cursor_cnt == 0) {
-                schedule_work(&info->queue);    
-                vbl_cursor_cnt = cursor_blink_rate; 
-        }
-        return IRQ_HANDLED;
-}
-#endif
-        
 static void cursor_timer_handler(unsigned long dev_addr)
 {
         struct fb_info *info = (struct fb_info *) dev_addr;
@@ -1017,15 +993,6 @@ static const char *fbcon_startup(void)
                 info->var.yres,
                 info->var.bits_per_pixel);
 
-#ifdef CONFIG_ATARI
-        if (MACH_IS_ATARI) {
-                cursor_blink_rate = ATARI_CURSOR_BLINK_RATE;
-                (void)request_irq(IRQ_AUTO_4, fb_vbl_handler,
-                                IRQ_TYPE_PRIO, "framebuffer vbl",
-                                info);
-        }
-#endif /* CONFIG_ATARI */
-
         fbcon_add_cursor_timer(info);
         fbcon_has_exited = 0;
         return display_desc;
@@ -3454,11 +3421,6 @@ static void fbcon_exit(void)
         if (fbcon_has_exited)
                 return;
 
-#ifdef CONFIG_ATARI
-        if (MACH_IS_ATARI)
-                free_irq(IRQ_AUTO_4, fb_vbl_handler);
-#endif
-
         kfree((void *)softback_buf);
         softback_buf = 0UL;