diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-12 11:40:55 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-12 11:40:55 -0700 |
commit | 07104839597803ccd9b2c4f543ee4651522b4aa1 (patch) | |
tree | b3b569c955fb7abe10d1b89139c0f4a388933609 /drivers/video/leo.c | |
parent | 589acce53e235055806e81e330af1e8f115bfcc2 (diff) | |
parent | 56c5d900dbb8e042bfad035d18433476931d8f93 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next-2.6: (180 commits)
leo: disable cursor when leaving graphics mode
cg6: disable cursor when leaving graphics mode
sparc32: sun4m interrupt mask cleanup
drivers/rtc/Kconfig: don't build rtc-cmos.o on sparc32
sparc: arch/sparc/kernel/pmc.c -- extra #include?
sparc32: Add more extensive documentation of sun4m interrupts.
sparc32: Kill irq_rcvreg from sun4m_irq.c
sparc32: Delete master_l10_limit.
sparc32: Use PROM device probing for sun4c timers.
sparc32: Use PROM device probing for sun4c interrupt register.
sparc32: Delete claim_ticker14().
sparc32: Stop calling claim_ticker14() from sun4c_irq.c
sparc32: Kill clear_profile_irq btfixup entry.
sparc32: Call sun4m_clear_profile_irq() directly from sun4m_smp.c
sparc32: Remove #if 0'd code from sun4c_irq.c
sparc32: Remove some SMP ifdefs in sun4d_irq.c
sparc32: Use PROM infrastructure for probing and mapping sun4d timers.
sparc32: Use PROM device probing for sun4m irq registers.
sparc32: Use PROM device probing for sun4m timer registers.
sparc: Fix user_regset 'n' field values.
...
Diffstat (limited to 'drivers/video/leo.c')
-rw-r--r-- | drivers/video/leo.c | 96 |
1 files changed, 57 insertions, 39 deletions
diff --git a/drivers/video/leo.c b/drivers/video/leo.c index 13fea61d6ae..7c7e8c2da9d 100644 --- a/drivers/video/leo.c +++ b/drivers/video/leo.c @@ -33,6 +33,7 @@ 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 @@ -42,6 +43,7 @@ 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, @@ -206,6 +208,60 @@ static void leo_wait(struct leo_lx_krn __iomem *lx_krn) return; } +static void leo_switch_from_graph(struct fb_info *info) +{ + struct leo_par *par = (struct leo_par *) info->par; + struct leo_ld_ss0 __iomem *ss = par->ld_ss0; + struct leo_cursor __iomem *cursor = par->cursor; + unsigned long flags; + u32 val; + + spin_lock_irqsave(&par->lock, flags); + + par->extent = ((info->var.xres - 1) | + ((info->var.yres - 1) << 16)); + + sbus_writel(0xffffffff, &ss->wid); + sbus_writel(0xffff, &ss->wmask); + sbus_writel(0, &ss->vclipmin); + sbus_writel(par->extent, &ss->vclipmax); + sbus_writel(0, &ss->fg); + sbus_writel(0xff000000, &ss->planemask); + sbus_writel(0x310850, &ss->rop); + sbus_writel(0, &ss->widclip); + sbus_writel((info->var.xres-1) | ((info->var.yres-1) << 11), + &par->lc_ss0_usr->extent); + sbus_writel(4, &par->lc_ss0_usr->addrspace); + sbus_writel(0x80000000, &par->lc_ss0_usr->fill); + sbus_writel(0, &par->lc_ss0_usr->fontt); + do { + val = sbus_readl(&par->lc_ss0_usr->csr); + } while (val & 0x20000000); + + /* 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); + + /* hide cursor */ + sbus_writel(sbus_readl(&cursor->cur_misc) & ~LEO_CUR_ENABLE, &cursor->cur_misc); + + 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); + + if (var->xoffset || var->yoffset || var->vmode) + return -EINVAL; + return 0; +} + /** * leo_setcolreg - Optional function. Sets a color register. * @regno: boolean, 0 copy local, 1 get_user() function @@ -454,44 +510,6 @@ static void leo_init_wids(struct fb_info *info) 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_ss0 __iomem *ss = par->ld_ss0; - unsigned long flags; - u32 val; - - spin_lock_irqsave(&par->lock, flags); - - par->extent = ((info->var.xres - 1) | - ((info->var.yres - 1) << 16)); - - sbus_writel(0xffffffff, &ss->wid); - sbus_writel(0xffff, &ss->wmask); - sbus_writel(0, &ss->vclipmin); - sbus_writel(par->extent, &ss->vclipmax); - sbus_writel(0, &ss->fg); - sbus_writel(0xff000000, &ss->planemask); - sbus_writel(0x310850, &ss->rop); - sbus_writel(0, &ss->widclip); - sbus_writel((info->var.xres-1) | ((info->var.yres-1) << 11), - &par->lc_ss0_usr->extent); - sbus_writel(4, &par->lc_ss0_usr->addrspace); - sbus_writel(0x80000000, &par->lc_ss0_usr->fill); - sbus_writel(0, &par->lc_ss0_usr->fontt); - do { - val = sbus_readl(&par->lc_ss0_usr->csr); - } while (val & 0x20000000); - - /* 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); - - spin_unlock_irqrestore(&par->lock, flags); -} - static void leo_init_hw(struct fb_info *info) { struct leo_par *par = (struct leo_par *) info->par; @@ -641,7 +659,7 @@ static int __devexit leo_remove(struct of_device *op) return 0; } -static struct of_device_id leo_match[] = { +static const struct of_device_id leo_match[] = { { .name = "SUNW,leo", }, |