fbdev: move FBIO_WAITFORVSYNC to linux/fb.h
[safe/jmp/linux-2.6] / drivers / video / sm501fb.c
index 924d794..b7dc180 100644 (file)
@@ -29,8 +29,8 @@
 #include <linux/platform_device.h>
 #include <linux/clk.h>
 #include <linux/console.h>
+#include <linux/io.h>
 
-#include <asm/io.h>
 #include <asm/uaccess.h>
 #include <asm/div64.h>
 
@@ -66,6 +66,7 @@ struct sm501fb_info {
        struct fb_info          *fb[2];         /* fb info for both heads */
        struct resource         *fbmem_res;     /* framebuffer resource */
        struct resource         *regs_res;      /* registers resource */
+       struct resource         *regs2d_res;    /* 2d registers resource */
        struct sm501_platdata_fb *pdata;        /* our platform data */
 
        unsigned long            pm_crt_ctrl;   /* pm: crt ctrl save */
@@ -73,6 +74,7 @@ struct sm501fb_info {
        int                      irq;
        int                      swap_endian;   /* set to swap rgb=>bgr */
        void __iomem            *regs;          /* remapped registers */
+       void __iomem            *regs2d;        /* 2d remapped registers */
        void __iomem            *fbmem;         /* remapped framebuffer */
        size_t                   fbmem_len;     /* length of remapped region */
 };
@@ -123,9 +125,9 @@ static inline void sm501fb_sync_regs(struct sm501fb_info *info)
  * This is an attempt to lay out memory for the two framebuffers and
  * everything else
  *
- * |fbmem_res->start                                          fbmem_res->end|
- * |                                                                         |
- * |fb[0].fix.smem_start    |         |fb[1].fix.smem_start    |     2K      |
+ * |fbmem_res->start                                          fbmem_res->end|
+ * |                                                                        |
+ * |fb[0].fix.smem_start    |        |fb[1].fix.smem_start    |     2K      |
  * |-> fb[0].fix.smem_len <-| spare   |-> fb[1].fix.smem_len <-|-> cursors <-|
  *
  * The "spare" space is for the 2d engine data
@@ -409,7 +411,7 @@ static int sm501fb_set_par_common(struct fb_info *info,
        struct sm501fb_par  *par = info->par;
        struct sm501fb_info *fbi = par->info;
        unsigned long pixclock;      /* pixelclock in Hz */
-       unsigned long sm501pixclock; /* pixelclock the 501 can achive in Hz */
+       unsigned long sm501pixclock; /* pixelclock the 501 can achieve in Hz */
        unsigned int mem_type;
        unsigned int clock_type;
        unsigned int head_addr;
@@ -1246,7 +1248,173 @@ static ssize_t sm501fb_debug_show_pnl(struct device *dev,
 
 static DEVICE_ATTR(fbregs_pnl, 0444, sm501fb_debug_show_pnl, NULL);
 
-/* framebuffer ops */
+/* acceleration operations */
+static int sm501fb_sync(struct fb_info *info)
+{
+       int count = 1000000;
+       struct sm501fb_par  *par = info->par;
+       struct sm501fb_info *fbi = par->info;
+
+       /* wait for the 2d engine to be ready */
+       while ((count > 0) &&
+              (readl(fbi->regs + SM501_SYSTEM_CONTROL) &
+               SM501_SYSCTRL_2D_ENGINE_STATUS) != 0)
+               count--;
+
+       if (count <= 0) {
+               dev_err(info->dev, "Timeout waiting for 2d engine sync\n");
+               return 1;
+       }
+       return 0;
+}
+
+static void sm501fb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
+{
+       struct sm501fb_par  *par = info->par;
+       struct sm501fb_info *fbi = par->info;
+       int width = area->width;
+       int height = area->height;
+       int sx = area->sx;
+       int sy = area->sy;
+       int dx = area->dx;
+       int dy = area->dy;
+       unsigned long rtl = 0;
+
+       /* source clip */
+       if ((sx >= info->var.xres_virtual) ||
+           (sy >= info->var.yres_virtual))
+               /* source Area not within virtual screen, skipping */
+               return;
+       if ((sx + width) >= info->var.xres_virtual)
+               width = info->var.xres_virtual - sx - 1;
+       if ((sy + height) >= info->var.yres_virtual)
+               height = info->var.yres_virtual - sy - 1;
+
+       /* dest clip */
+       if ((dx >= info->var.xres_virtual) ||
+           (dy >= info->var.yres_virtual))
+               /* Destination Area not within virtual screen, skipping */
+               return;
+       if ((dx + width) >= info->var.xres_virtual)
+               width = info->var.xres_virtual - dx - 1;
+       if ((dy + height) >= info->var.yres_virtual)
+               height = info->var.yres_virtual - dy - 1;
+
+       if ((sx < dx) || (sy < dy)) {
+               rtl = 1 << 27;
+               sx += width - 1;
+               dx += width - 1;
+               sy += height - 1;
+               dy += height - 1;
+       }
+
+       if (sm501fb_sync(info))
+               return;
+
+       /* set the base addresses */
+       writel(par->screen.sm_addr, fbi->regs2d + SM501_2D_SOURCE_BASE);
+       writel(par->screen.sm_addr, fbi->regs2d + SM501_2D_DESTINATION_BASE);
+
+       /* set the window width */
+       writel((info->var.xres << 16) | info->var.xres,
+              fbi->regs2d + SM501_2D_WINDOW_WIDTH);
+
+       /* set window stride */
+       writel((info->var.xres_virtual << 16) | info->var.xres_virtual,
+              fbi->regs2d + SM501_2D_PITCH);
+
+       /* set data format */
+       switch (info->var.bits_per_pixel) {
+       case 8:
+               writel(0, fbi->regs2d + SM501_2D_STRETCH);
+               break;
+       case 16:
+               writel(0x00100000, fbi->regs2d + SM501_2D_STRETCH);
+               break;
+       case 32:
+               writel(0x00200000, fbi->regs2d + SM501_2D_STRETCH);
+               break;
+       }
+
+       /* 2d compare mask */
+       writel(0xffffffff, fbi->regs2d + SM501_2D_COLOR_COMPARE_MASK);
+
+       /* 2d mask */
+       writel(0xffffffff, fbi->regs2d + SM501_2D_MASK);
+
+       /* source and destination x y */
+       writel((sx << 16) | sy, fbi->regs2d + SM501_2D_SOURCE);
+       writel((dx << 16) | dy, fbi->regs2d + SM501_2D_DESTINATION);
+
+       /* w/h */
+       writel((width << 16) | height, fbi->regs2d + SM501_2D_DIMENSION);
+
+       /* do area move */
+       writel(0x800000cc | rtl, fbi->regs2d + SM501_2D_CONTROL);
+}
+
+static void sm501fb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
+{
+       struct sm501fb_par  *par = info->par;
+       struct sm501fb_info *fbi = par->info;
+       int width = rect->width, height = rect->height;
+
+       if ((rect->dx >= info->var.xres_virtual) ||
+           (rect->dy >= info->var.yres_virtual))
+               /* Rectangle not within virtual screen, skipping */
+               return;
+       if ((rect->dx + width) >= info->var.xres_virtual)
+               width = info->var.xres_virtual - rect->dx - 1;
+       if ((rect->dy + height) >= info->var.yres_virtual)
+               height = info->var.yres_virtual - rect->dy - 1;
+
+       if (sm501fb_sync(info))
+               return;
+
+       /* set the base addresses */
+       writel(par->screen.sm_addr, fbi->regs2d + SM501_2D_SOURCE_BASE);
+       writel(par->screen.sm_addr, fbi->regs2d + SM501_2D_DESTINATION_BASE);
+
+       /* set the window width */
+       writel((info->var.xres << 16) | info->var.xres,
+              fbi->regs2d + SM501_2D_WINDOW_WIDTH);
+
+       /* set window stride */
+       writel((info->var.xres_virtual << 16) | info->var.xres_virtual,
+              fbi->regs2d + SM501_2D_PITCH);
+
+       /* set data format */
+       switch (info->var.bits_per_pixel) {
+       case 8:
+               writel(0, fbi->regs2d + SM501_2D_STRETCH);
+               break;
+       case 16:
+               writel(0x00100000, fbi->regs2d + SM501_2D_STRETCH);
+               break;
+       case 32:
+               writel(0x00200000, fbi->regs2d + SM501_2D_STRETCH);
+               break;
+       }
+
+       /* 2d compare mask */
+       writel(0xffffffff, fbi->regs2d + SM501_2D_COLOR_COMPARE_MASK);
+
+       /* 2d mask */
+       writel(0xffffffff, fbi->regs2d + SM501_2D_MASK);
+
+       /* colour */
+       writel(rect->color, fbi->regs2d + SM501_2D_FOREGROUND);
+
+       /* x y */
+       writel((rect->dx << 16) | rect->dy, fbi->regs2d + SM501_2D_DESTINATION);
+
+       /* w/h */
+       writel((width << 16) | height, fbi->regs2d + SM501_2D_DIMENSION);
+
+       /* do rectangle fill */
+       writel(0x800100cc, fbi->regs2d + SM501_2D_CONTROL);
+}
+
 
 static struct fb_ops sm501fb_ops_crt = {
        .owner          = THIS_MODULE,
@@ -1256,9 +1424,10 @@ static struct fb_ops sm501fb_ops_crt = {
        .fb_setcolreg   = sm501fb_setcolreg,
        .fb_pan_display = sm501fb_pan_crt,
        .fb_cursor      = sm501fb_cursor,
-       .fb_fillrect    = cfb_fillrect,
-       .fb_copyarea    = cfb_copyarea,
+       .fb_fillrect    = sm501fb_fillrect,
+       .fb_copyarea    = sm501fb_copyarea,
        .fb_imageblit   = cfb_imageblit,
+       .fb_sync        = sm501fb_sync,
 };
 
 static struct fb_ops sm501fb_ops_pnl = {
@@ -1269,9 +1438,10 @@ static struct fb_ops sm501fb_ops_pnl = {
        .fb_blank       = sm501fb_blank_pnl,
        .fb_setcolreg   = sm501fb_setcolreg,
        .fb_cursor      = sm501fb_cursor,
-       .fb_fillrect    = cfb_fillrect,
-       .fb_copyarea    = cfb_copyarea,
+       .fb_fillrect    = sm501fb_fillrect,
+       .fb_copyarea    = sm501fb_copyarea,
        .fb_imageblit   = cfb_imageblit,
+       .fb_sync        = sm501fb_sync,
 };
 
 /* sm501_init_cursor
@@ -1329,7 +1499,8 @@ static int sm501fb_start(struct sm501fb_info *info,
                dev_warn(dev, "no irq for device\n");
        }
 
-       /* allocate, reserve and remap resources for registers */
+       /* allocate, reserve and remap resources for display
+        * controller registers */
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        if (res == NULL) {
                dev_err(dev, "no resource definition for registers\n");
@@ -1338,7 +1509,7 @@ static int sm501fb_start(struct sm501fb_info *info,
        }
 
        info->regs_res = request_mem_region(res->start,
-                                           res->end - res->start,
+                                           resource_size(res),
                                            pdev->name);
 
        if (info->regs_res == NULL) {
@@ -1347,37 +1518,63 @@ static int sm501fb_start(struct sm501fb_info *info,
                goto err_release;
        }
 
-       info->regs = ioremap(res->start, (res->end - res->start)+1);
+       info->regs = ioremap(res->start, resource_size(res));
        if (info->regs == NULL) {
                dev_err(dev, "cannot remap registers\n");
                ret = -ENXIO;
                goto err_regs_res;
        }
 
+       /* allocate, reserve and remap resources for 2d
+        * controller registers */
+       res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+       if (res == NULL) {
+               dev_err(dev, "no resource definition for 2d registers\n");
+               ret = -ENOENT;
+               goto err_regs_map;
+       }
+
+       info->regs2d_res = request_mem_region(res->start,
+                                             resource_size(res),
+                                             pdev->name);
+
+       if (info->regs2d_res == NULL) {
+               dev_err(dev, "cannot claim registers\n");
+               ret = -ENXIO;
+               goto err_regs_map;
+       }
+
+       info->regs2d = ioremap(res->start, resource_size(res));
+       if (info->regs2d == NULL) {
+               dev_err(dev, "cannot remap registers\n");
+               ret = -ENXIO;
+               goto err_regs2d_res;
+       }
+
        /* allocate, reserve resources for framebuffer */
        res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
        if (res == NULL) {
                dev_err(dev, "no memory resource defined\n");
                ret = -ENXIO;
-               goto err_regs_map;
+               goto err_regs2d_map;
        }
 
        info->fbmem_res = request_mem_region(res->start,
-                                            (res->end - res->start)+1,
+                                            resource_size(res),
                                             pdev->name);
        if (info->fbmem_res == NULL) {
                dev_err(dev, "cannot claim framebuffer\n");
                ret = -ENXIO;
-               goto err_regs_map;
+               goto err_regs2d_map;
        }
 
-       info->fbmem = ioremap(res->start, (res->end - res->start)+1);
+       info->fbmem = ioremap(res->start, resource_size(res));
        if (info->fbmem == NULL) {
                dev_err(dev, "cannot remap framebuffer\n");
                goto err_mem_res;
        }
 
-       info->fbmem_len = (res->end - res->start)+1;
+       info->fbmem_len = resource_size(res);
 
        /* clear framebuffer memory - avoids garbage data on unused fb */
        memset(info->fbmem, 0, info->fbmem_len);
@@ -1389,8 +1586,10 @@ static int sm501fb_start(struct sm501fb_info *info,
        /* enable display controller */
        sm501_unit_power(dev->parent, SM501_GATE_DISPLAY, 1);
 
-       /* setup cursors */
+       /* enable 2d controller */
+       sm501_unit_power(dev->parent, SM501_GATE_2D_ENGINE, 1);
 
+       /* setup cursors */
        sm501_init_cursor(info->fb[HEAD_CRT], SM501_DC_CRT_HWC_ADDR);
        sm501_init_cursor(info->fb[HEAD_PANEL], SM501_DC_PANEL_HWC_ADDR);
 
@@ -1400,6 +1599,13 @@ static int sm501fb_start(struct sm501fb_info *info,
        release_resource(info->fbmem_res);
        kfree(info->fbmem_res);
 
+ err_regs2d_map:
+       iounmap(info->regs2d);
+
+ err_regs2d_res:
+       release_resource(info->regs2d_res);
+       kfree(info->regs2d_res);
+
  err_regs_map:
        iounmap(info->regs);
 
@@ -1420,6 +1626,10 @@ static void sm501fb_stop(struct sm501fb_info *info)
        release_resource(info->fbmem_res);
        kfree(info->fbmem_res);
 
+       iounmap(info->regs2d);
+       release_resource(info->regs2d_res);
+       kfree(info->regs2d_res);
+
        iounmap(info->regs);
        release_resource(info->regs_res);
        kfree(info->regs_res);
@@ -1486,7 +1696,8 @@ static int sm501fb_init_fb(struct fb_info *fb,
                par->ops.fb_cursor = NULL;
 
        fb->fbops = &par->ops;
-       fb->flags = FBINFO_FLAG_DEFAULT |
+       fb->flags = FBINFO_FLAG_DEFAULT | FBINFO_READS_FAST |
+               FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT |
                FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN;
 
        /* fixed data */