Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc: get leo framebuffer working

1 files changed, 26 insertions, 32 deletions

diff --git a/drivers/video/leo.c b/drivers/video/leo.c
index 8bc46e9..13fea61 100644
--- a/drivers/video/leo.c
+++ b/drivers/video/leo.c
@@ -17,8 +17,8 @@
 #include <linux/fb.h>
 #include <linux/mm.h>
 #include <linux/of_device.h>
+#include <linux/io.h>
 
-#include <asm/io.h>
 #include <asm/fbio.h>
 
 #include "sbuslib.h"
@@ -33,7 +33,6 @@ static int leo_blank(int, struct fb_info *);
 
 static int leo_mmap(struct fb_info *, struct vm_area_struct *);
 static int leo_ioctl(struct fb_info *, unsigned int, unsigned long);
-static int leo_pan_display(struct fb_var_screeninfo *, struct fb_info *);
 
 /*
  *  Frame buffer operations
@@ -43,7 +42,6 @@ static struct fb_ops leo_ops = {
 	.owner			= THIS_MODULE,
 	.fb_setcolreg		= leo_setcolreg,
 	.fb_blank		= leo_blank,
-	.fb_pan_display		= leo_pan_display,
 	.fb_fillrect		= cfb_fillrect,
 	.fb_copyarea		= cfb_copyarea,
 	.fb_imageblit		= cfb_imageblit,
@@ -78,7 +76,7 @@ static struct fb_ops leo_ops = {
 #define LEO_CUR_TYPE_CMAP	0x00000050
 
 struct leo_cursor {
-	u8		xxx0[16];
+	u8	xxx0[16];
 	u32	cur_type;
 	u32	cur_misc;
 	u32	cur_cursxy;
@@ -105,7 +103,7 @@ struct leo_lx_krn {
 
 struct leo_lc_ss0_krn {
 	u32 	misc;
-	u8		xxx0[0x800-4];
+	u8	xxx0[0x800-4];
 	u32	rev;
 };
 
@@ -116,7 +114,7 @@ struct leo_lc_ss0_usr {
 	u32	fontt;
 	u32	extent;
 	u32	src;
-	u32		dst;
+	u32	dst;
 	u32	copy;
 	u32	fill;
 };
@@ -129,8 +127,8 @@ struct leo_lc_ss1_usr {
 	u8	unknown;
 };
 
-struct leo_ld {
-	u8		xxx0[0xe00];
+struct leo_ld_ss0 {
+	u8	xxx0[0xe00];
 	u32	csr;
 	u32	wid;
 	u32	wmask;
@@ -144,13 +142,13 @@ struct leo_ld {
 	u32	src;		/* Copy/Scroll (SS0 only) */
 	u32	dst;		/* Copy/Scroll/Fill (SS0 only) */
 	u32	extent;		/* Copy/Scroll/Fill size (SS0 only) */
-	u32		xxx1[3];
+	u32	xxx1[3];
 	u32	setsem;		/* SS1 only */
 	u32	clrsem;		/* SS1 only */
 	u32	clrpick;	/* SS1 only */
 	u32	clrdat;		/* SS1 only */
 	u32	alpha;		/* SS1 only */
-	u8		xxx2[0x2c];
+	u8	xxx2[0x2c];
 	u32	winbg;
 	u32	planemask;
 	u32	rop;
@@ -199,11 +197,12 @@ struct leo_par {
 static void leo_wait(struct leo_lx_krn __iomem *lx_krn)
 {
 	int i;
-	
+
 	for (i = 0;
-	     (sbus_readl(&lx_krn->krn_csr) & LEO_KRN_CSR_PROGRESS) && i < 300000;
+	     (sbus_readl(&lx_krn->krn_csr) & LEO_KRN_CSR_PROGRESS) &&
+	     i < 300000;
 	     i++)
-		udelay (1); /* Busy wait at most 0.3 sec */
+		udelay(1); /* Busy wait at most 0.3 sec */
 	return;
 }
 
@@ -221,7 +220,7 @@ static int leo_setcolreg(unsigned regno,
 			 unsigned transp, struct fb_info *info)
 {
 	struct leo_par *par = (struct leo_par *) info->par;
-        struct leo_lx_krn __iomem *lx_krn = par->lx_krn;
+	struct leo_lx_krn __iomem *lx_krn = par->lx_krn;
 	unsigned long flags;
 	u32 val;
 	int i;
@@ -408,7 +407,7 @@ static void leo_wid_put(struct fb_info *info, struct fb_wid_list *wl)
 	leo_wait(lx_krn);
 
 	for (i = 0, wi = wl->wl_list; i < wl->wl_count; i++, wi++) {
-		switch(wi->wi_type) {
+		switch (wi->wi_type) {
 		case FB_WID_DBL_8:
 			j = (wi->wi_index & 0xf) + 0x40;
 			break;
@@ -453,13 +452,12 @@ static void leo_init_wids(struct fb_info *info)
 	wi.wi_index = 1;
 	wi.wi_values [0] = 0x30;
 	leo_wid_put(info, &wl);
-
 }
 
 static void leo_switch_from_graph(struct fb_info *info)
 {
 	struct leo_par *par = (struct leo_par *) info->par;
-	struct leo_ld __iomem *ss = (struct leo_ld __iomem *) par->ld_ss0;
+	struct leo_ld_ss0 __iomem *ss = par->ld_ss0;
 	unsigned long flags;
 	u32 val;
 
@@ -485,19 +483,13 @@ static void leo_switch_from_graph(struct fb_info *info)
 		val = sbus_readl(&par->lc_ss0_usr->csr);
 	} while (val & 0x20000000);
 
-	spin_unlock_irqrestore(&par->lock, flags);
-}
-
-static int leo_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
-{
-	/* We just use this to catch switches out of
-	 * graphics mode.
-	 */
-	leo_switch_from_graph(info);
+	/* setup screen buffer for cfb_* functions */
+	sbus_writel(1, &ss->wid);
+	sbus_writel(0x00ffffff, &ss->planemask);
+	sbus_writel(0x310b90, &ss->rop);
+	sbus_writel(0, &par->lc_ss0_usr->addrspace);
 
-	if (var->xoffset || var->yoffset || var->vmode)
-		return -EINVAL;
-	return 0;
+	spin_unlock_irqrestore(&par->lock, flags);
 }
 
 static void leo_init_hw(struct fb_info *info)
@@ -542,7 +534,8 @@ static void leo_unmap_regs(struct of_device *op, struct fb_info *info,
 		of_iounmap(&op->resource[0], info->screen_base, 0x800000);
 }
 
-static int __devinit leo_probe(struct of_device *op, const struct of_device_id *match)
+static int __devinit leo_probe(struct of_device *op,
+			       const struct of_device_id *match)
 {
 	struct device_node *dp = op->node;
 	struct fb_info *info;
@@ -594,8 +587,9 @@ static int __devinit leo_probe(struct of_device *op, const struct of_device_id *
 	    !info->screen_base)
 		goto out_unmap_regs;
 
-	info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
+	info->flags = FBINFO_DEFAULT;
 	info->fbops = &leo_ops;
+	info->pseudo_palette = par->clut_data;
 
 	leo_init_wids(info);
 	leo_init_hw(info);
@@ -649,7 +643,7 @@ static int __devexit leo_remove(struct of_device *op)
 
 static struct of_device_id leo_match[] = {
 	{
-		.name = "leo",
+		.name = "SUNW,leo",
 	},
 	{},
 };