Merge branch 'xen/fbdev' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen
[safe/jmp/linux-2.6] / drivers / video / amifb.c
index f9bc9f7..82bedd7 100644 (file)
@@ -45,7 +45,6 @@
 #include <linux/errno.h>
 #include <linux/string.h>
 #include <linux/mm.h>
-#include <linux/tty.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
@@ -53,7 +52,7 @@
 #include <linux/init.h>
 #include <linux/ioport.h>
 
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <asm/system.h>
 #include <asm/irq.h>
 #include <asm/amigahw.h>
@@ -97,7 +96,7 @@
 #endif
 
 #ifdef DEBUG
-#  define DPRINTK(fmt, args...)        printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args)
+#  define DPRINTK(fmt, args...)        printk(KERN_DEBUG "%s: " fmt, __func__ , ## args)
 #else
 #  define DPRINTK(fmt, args...)
 #endif
    +----------+---------------------------------------------+----------+-------+
    |          |                ^                            |          |       |
    |          |                |upper_margin                |          |       |
-   |          |                ¥                            |          |       |
+   |          |                v                            |          |       |
    +----------###############################################----------+-------+
    |          #                ^                            #          |       |
    |          #                |                            #          |       |
    |          #                |                            #          |       |
    |          #                |                            #          |       |
    |          #                |                            #          |       |
-   |          #                ¥                            #          |       |
+   |          #                v                            #          |       |
    +----------###############################################----------+-------+
    |          |                ^                            |          |       |
    |          |                |lower_margin                |          |       |
-   |          |                ¥                            |          |       |
+   |          |                v                            |          |       |
    +----------+---------------------------------------------+----------+-------+
    |          |                ^                            |          |       |
    |          |                |vsync_len                   |          |       |
-   |          |                ¥                            |          |       |
+   |          |                v                            |          |       |
    +----------+---------------------------------------------+----------+-------+
 
 
    CCIR -> PAL
    -----------
 
-      - a scanline is 64 µs long, of which 52.48 µs are visible. This is about
+      - a scanline is 64 Âµs long, of which 52.48 Âµs are visible. This is about
         736 visible 70 ns pixels per line.
       - we have 625 scanlines, of which 575 are visible (interlaced); after
         rounding this becomes 576.
    RETMA -> NTSC
    -------------
 
-      - a scanline is 63.5 µs long, of which 53.5 µs are visible.  This is about
+      - a scanline is 63.5 Âµs long, of which 53.5 Âµs are visible.  This is about
         736 visible 70 ns pixels per line.
       - we have 525 scanlines, of which 485 are visible (interlaced); after
         rounding this becomes 484.
@@ -803,7 +802,7 @@ static u_short ecs_palette[32];
 
 static u_short do_vmode_full = 0;      /* Change the Video Mode */
 static u_short do_vmode_pan = 0;       /* Update the Video Mode */
-static short do_blank = 0;             /* (Un)Blank the Screen (±1) */
+static short do_blank = 0;             /* (Un)Blank the Screen (±1) */
 static u_short do_cursor = 0;          /* Move the Cursor */
 
 
@@ -1137,7 +1136,6 @@ static int amifb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg
         * Interface to the low level console driver
         */
 
-int amifb_init(void);
 static void amifb_deinit(void);
 
        /*
@@ -1145,7 +1143,7 @@ static void amifb_deinit(void);
         */
 
 static int flash_cursor(void);
-static irqreturn_t amifb_interrupt(int irq, void *dev_id, struct pt_regs *fp);
+static irqreturn_t amifb_interrupt(int irq, void *dev_id);
 static u_long chipalloc(u_long size);
 static void chipfree(void);
 
@@ -2049,13 +2047,16 @@ static void amifb_copyarea(struct fb_info *info,
        width = x2 - dx;
        height = y2 - dy;
 
+       if (area->sx + dx < area->dx || area->sy + dy < area->dy)
+               return;
+
        /* update sx,sy */
        sx = area->sx + (dx - area->dx);
        sy = area->sy + (dy - area->dy);
 
        /* the source must be completely inside the virtual screen */
-       if (sx < 0 || sy < 0 || (sx + width) > info->var.xres_virtual ||
-           (sy + height) > info->var.yres_virtual)
+       if (sx + width > info->var.xres_virtual ||
+                       sy + height > info->var.yres_virtual)
                return;
 
        if (dy > sy || (dy == sy && dx > sx)) {
@@ -2158,9 +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);
        }
 }
 
@@ -2246,7 +2247,7 @@ static inline void chipfree(void)
         * Initialisation
         */
 
-int __init amifb_init(void)
+static int __init amifb_init(void)
 {
        int tag, i, err = 0;
        u_long chipptr;
@@ -2262,7 +2263,7 @@ int __init amifb_init(void)
        amifb_setup(option);
 #endif
        if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(AMI_VIDEO))
-               return -ENXIO;
+               return -ENODEV;
 
        /*
         * We request all registers starting from bplpt[0]
@@ -2334,7 +2335,7 @@ default_chipset:
                        strcat(fb_info.fix.id, "Unknown");
                        goto default_chipset;
 #else /* CONFIG_FB_AMIGA_OCS */
-                       err = -ENXIO;
+                       err = -ENODEV;
                        goto amifb_error;
 #endif /* CONFIG_FB_AMIGA_OCS */
                        break;
@@ -2384,6 +2385,9 @@ default_chipset:
                goto amifb_error;
        }
 
+       fb_videomode_to_modelist(ami_modedb, NUM_TOTAL_MODES,
+                                &fb_info.modelist);
+
        round_down_bpp = 0;
        chipptr = chipalloc(fb_info.fix.smem_len+
                            SPRITEMEMSIZE+
@@ -2408,10 +2412,10 @@ default_chipset:
                                                   fb_info.fix.smem_len);
        if (!videomemory) {
                printk("amifb: WARNING! unable to map videomem cached writethrough\n");
-               videomemory = ZTWO_VADDR(fb_info.fix.smem_start);
-       }
+               fb_info.screen_base = (char *)ZTWO_VADDR(fb_info.fix.smem_start);
+       } else
+               fb_info.screen_base = (char *)videomemory;
 
-       fb_info.screen_base = (char *)videomemory;
        memset(dummysprite, 0, DUMMYSPRITEMEMSIZE);
 
        /*
@@ -2433,7 +2437,9 @@ default_chipset:
                goto amifb_error;
        }
 
-       fb_alloc_cmap(&fb_info.cmap, 1<<fb_info.var.bits_per_pixel, 0);
+       err = fb_alloc_cmap(&fb_info.cmap, 1<<fb_info.var.bits_per_pixel, 0);
+       if (err)
+               goto amifb_error;
 
        if (register_framebuffer(&fb_info) < 0) {
                err = -EINVAL;
@@ -2452,8 +2458,11 @@ amifb_error:
 
 static void amifb_deinit(void)
 {
-       fb_dealloc_cmap(&fb_info.cmap);
+       if (fb_info.cmap.len)
+               fb_dealloc_cmap(&fb_info.cmap);
        chipfree();
+       if (videomemory)
+               iounmap((void*)videomemory);
        release_mem_region(CUSTOM_PHYSADDR+0xe0, 0x120);
        custom.dmacon = DMAF_ALL | DMAF_MASTER;
 }
@@ -2493,7 +2502,7 @@ static int flash_cursor(void)
         * VBlank Display Interrupt
         */
 
-static irqreturn_t amifb_interrupt(int irq, void *dev_id, struct pt_regs *fp)
+static irqreturn_t amifb_interrupt(int irq, void *dev_id)
 {
        if (do_vmode_pan || do_vmode_full)
                ami_update_display();
@@ -2905,14 +2914,6 @@ static int ami_decode_var(struct fb_var_screeninfo *var,
        par->crsr.spot_x = par->crsr.spot_y = 0;
        par->crsr.height = par->crsr.width = 0;
 
-#if 0  /* fbmon not done.  uncomment for 2.5.x -brad */
-       if (!fbmon_valid_timings(pixclock[clk_shift], htotal, vtotal,
-                                &fb_info)) {
-               DPRINTK("mode doesn't fit for monitor\n");
-               return -EINVAL;
-       }
-#endif
-
        return 0;
 }
 
@@ -3794,16 +3795,14 @@ static void ami_rebuild_copper(void)
        }
 }
 
-
-module_init(amifb_init);
-
-#ifdef MODULE
-MODULE_LICENSE("GPL");
-
-void cleanup_module(void)
+static void __exit amifb_exit(void)
 {
        unregister_framebuffer(&fb_info);
        amifb_deinit();
        amifb_video_off();
 }
-#endif /* MODULE */
+
+module_init(amifb_init);
+module_exit(amifb_exit);
+
+MODULE_LICENSE("GPL");