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cg6: disable cursor when leaving graphics mode

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On sparc32 debian etch, the cursor is not disabled
when leaving X windows.  This patch disables the
cursor when leaving graphics mode just like the
ffb driver.

Signed-off-by: Robert Reif <reif@earthlink.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Robert Reif 2008-10-10 12:12:41 -07:00 committed by David S. Miller
parent 6cf4a9243a
commit 291d5f3039
1 changed files with 35 additions and 1 deletions
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36
drivers/video/cg6.c
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@ -34,10 +34,11 @@ static int cg6_blank(int, struct fb_info *);
static void cg6_imageblit(struct fb_info *, const struct fb_image *);
static void cg6_fillrect(struct fb_info *, const struct fb_fillrect *);
static void cg6_copyarea(struct fb_info *info, const struct fb_copyarea *area);
static int cg6_sync(struct fb_info *);
static int cg6_mmap(struct fb_info *, struct vm_area_struct *);
static int cg6_ioctl(struct fb_info *, unsigned int, unsigned long);
static void cg6_copyarea(struct fb_info *info, const struct fb_copyarea *area);
static int cg6_pan_display(struct fb_var_screeninfo *, struct fb_info *);
/*
* Frame buffer operations
@ -47,6 +48,7 @@ static struct fb_ops cg6_ops = {
.owner = THIS_MODULE,
.fb_setcolreg = cg6_setcolreg,
.fb_blank = cg6_blank,
.fb_pan_display = cg6_pan_display,
.fb_fillrect = cg6_fillrect,
.fb_copyarea = cg6_copyarea,
.fb_imageblit = cg6_imageblit,
@ -161,6 +163,7 @@ static struct fb_ops cg6_ops = {
#define CG6_THC_MISC_INT_ENAB (1 << 5)
#define CG6_THC_MISC_INT (1 << 4)
#define CG6_THC_MISC_INIT 0x9f
#define CG6_THC_CURSOFF ((65536-32) | ((65536-32) << 16))
/* The contents are unknown */
struct cg6_tec {
@ -280,6 +283,33 @@ static int cg6_sync(struct fb_info *info)
return 0;
}
static void cg6_switch_from_graph(struct cg6_par *par)
{
struct cg6_thc __iomem *thc = par->thc;
unsigned long flags;
spin_lock_irqsave(&par->lock, flags);
/* Hide the cursor. */
sbus_writel(CG6_THC_CURSOFF, &thc->thc_cursxy);
spin_unlock_irqrestore(&par->lock, flags);
}
static int cg6_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
{
struct cg6_par *par = (struct cg6_par *)info->par;
/* We just use this to catch switches out of
* graphics mode.
*/
cg6_switch_from_graph(par);
if (var->xoffset || var->yoffset || var->vmode)
return -EINVAL;
return 0;
}
/**
* cg6_fillrect - Draws a rectangle on the screen.
*
@ -643,9 +673,13 @@ static void __devinit cg6_chip_init(struct fb_info *info)
struct cg6_par *par = (struct cg6_par *)info->par;
struct cg6_tec __iomem *tec = par->tec;
struct cg6_fbc __iomem *fbc = par->fbc;
struct cg6_thc __iomem *thc = par->thc;
u32 rev, conf, mode;
int i;
/* Hide the cursor. */
sbus_writel(CG6_THC_CURSOFF, &thc->thc_cursxy);
/* Turn off stuff in the Transform Engine. */
sbus_writel(0, &tec->tec_matrix);
sbus_writel(0, &tec->tec_clip);