#include <linux/init.h>
#include <linux/fb.h>
#include <linux/mm.h>
+#include <linux/of_device.h>
+#include <linux/io.h>
-#include <asm/io.h>
-#include <asm/prom.h>
-#include <asm/of_device.h>
#include <asm/fbio.h>
#include "sbuslib.h"
#define LEO_CUR_TYPE_CMAP 0x00000050
struct leo_cursor {
- u8 xxx0[16];
+ u8 xxx0[16];
u32 cur_type;
u32 cur_misc;
u32 cur_cursxy;
struct leo_lc_ss0_krn {
u32 misc;
- u8 xxx0[0x800-4];
+ u8 xxx0[0x800-4];
u32 rev;
};
u32 fontt;
u32 extent;
u32 src;
- u32 dst;
+ u32 dst;
u32 copy;
u32 fill;
};
u8 unknown;
};
-struct leo_ld {
- u8 xxx0[0xe00];
+struct leo_ld_ss0 {
+ u8 xxx0[0xe00];
u32 csr;
u32 wid;
u32 wmask;
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;
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;
}
+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
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;
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;
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;
- 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);
-
- 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;
}
static void leo_init_hw(struct fb_info *info)
var->transp.length = 0;
}
-struct all_info {
- struct fb_info info;
- struct leo_par par;
-};
-
-static void leo_unmap_regs(struct of_device *op, struct all_info *all)
+static void leo_unmap_regs(struct of_device *op, struct fb_info *info,
+ struct leo_par *par)
{
- if (all->par.lc_ss0_usr)
- of_iounmap(&op->resource[0], all->par.lc_ss0_usr, 0x1000);
- if (all->par.ld_ss0)
- of_iounmap(&op->resource[0], all->par.ld_ss0, 0x1000);
- if (all->par.ld_ss1)
- of_iounmap(&op->resource[0], all->par.ld_ss1, 0x1000);
- if (all->par.lx_krn)
- of_iounmap(&op->resource[0], all->par.lx_krn, 0x1000);
- if (all->par.cursor)
+ if (par->lc_ss0_usr)
+ of_iounmap(&op->resource[0], par->lc_ss0_usr, 0x1000);
+ if (par->ld_ss0)
+ of_iounmap(&op->resource[0], par->ld_ss0, 0x1000);
+ if (par->ld_ss1)
+ of_iounmap(&op->resource[0], par->ld_ss1, 0x1000);
+ if (par->lx_krn)
+ of_iounmap(&op->resource[0], par->lx_krn, 0x1000);
+ if (par->cursor)
of_iounmap(&op->resource[0],
- all->par.cursor, sizeof(struct leo_cursor));
- if (all->info.screen_base)
- of_iounmap(&op->resource[0], all->info.screen_base, 0x800000);
+ par->cursor, sizeof(struct leo_cursor));
+ if (info->screen_base)
+ of_iounmap(&op->resource[0], info->screen_base, 0x800000);
}
-static int __devinit leo_init_one(struct of_device *op)
+static int __devinit leo_probe(struct of_device *op,
+ const struct of_device_id *match)
{
struct device_node *dp = op->node;
- struct all_info *all;
+ struct fb_info *info;
+ struct leo_par *par;
int linebytes, err;
- all = kzalloc(sizeof(*all), GFP_KERNEL);
- if (!all)
- return -ENOMEM;
+ info = framebuffer_alloc(sizeof(struct leo_par), &op->dev);
+
+ err = -ENOMEM;
+ if (!info)
+ goto out_err;
+ par = info->par;
- spin_lock_init(&all->par.lock);
+ spin_lock_init(&par->lock);
- all->par.physbase = op->resource[0].start;
- all->par.which_io = op->resource[0].flags & IORESOURCE_BITS;
+ par->physbase = op->resource[0].start;
+ par->which_io = op->resource[0].flags & IORESOURCE_BITS;
- sbusfb_fill_var(&all->info.var, dp->node, 32);
- leo_fixup_var_rgb(&all->info.var);
+ sbusfb_fill_var(&info->var, dp, 32);
+ leo_fixup_var_rgb(&info->var);
linebytes = of_getintprop_default(dp, "linebytes",
- all->info.var.xres);
- all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres);
+ info->var.xres);
+ par->fbsize = PAGE_ALIGN(linebytes * info->var.yres);
- all->par.lc_ss0_usr =
+ par->lc_ss0_usr =
of_ioremap(&op->resource[0], LEO_OFF_LC_SS0_USR,
0x1000, "leolc ss0usr");
- all->par.ld_ss0 =
+ par->ld_ss0 =
of_ioremap(&op->resource[0], LEO_OFF_LD_SS0,
0x1000, "leold ss0");
- all->par.ld_ss1 =
+ par->ld_ss1 =
of_ioremap(&op->resource[0], LEO_OFF_LD_SS1,
0x1000, "leold ss1");
- all->par.lx_krn =
+ par->lx_krn =
of_ioremap(&op->resource[0], LEO_OFF_LX_KRN,
0x1000, "leolx krn");
- all->par.cursor =
+ par->cursor =
of_ioremap(&op->resource[0], LEO_OFF_LX_CURSOR,
sizeof(struct leo_cursor), "leolx cursor");
- all->info.screen_base =
+ info->screen_base =
of_ioremap(&op->resource[0], LEO_OFF_SS0,
0x800000, "leo ram");
- if (!all->par.lc_ss0_usr ||
- !all->par.ld_ss0 ||
- !all->par.ld_ss1 ||
- !all->par.lx_krn ||
- !all->par.cursor ||
- !all->info.screen_base) {
- leo_unmap_regs(op, all);
- kfree(all);
- return -ENOMEM;
- }
+ if (!par->lc_ss0_usr ||
+ !par->ld_ss0 ||
+ !par->ld_ss1 ||
+ !par->lx_krn ||
+ !par->cursor ||
+ !info->screen_base)
+ goto out_unmap_regs;
- all->info.flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
- all->info.fbops = &leo_ops;
- all->info.par = &all->par;
+ info->flags = FBINFO_DEFAULT;
+ info->fbops = &leo_ops;
+ info->pseudo_palette = par->clut_data;
- leo_init_wids(&all->info);
- leo_init_hw(&all->info);
+ leo_init_wids(info);
+ leo_init_hw(info);
- leo_blank(0, &all->info);
+ leo_blank(FB_BLANK_UNBLANK, info);
- if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
- leo_unmap_regs(op, all);
- kfree(all);
- return -ENOMEM;;
- }
+ if (fb_alloc_cmap(&info->cmap, 256, 0))
+ goto out_unmap_regs;
- leo_init_fix(&all->info, dp);
+ leo_init_fix(info, dp);
- err = register_framebuffer(&all->info);
- if (err < 0) {
- fb_dealloc_cmap(&all->info.cmap);
- leo_unmap_regs(op, all);
- kfree(all);
- return err;
- }
+ err = register_framebuffer(info);
+ if (err < 0)
+ goto out_dealloc_cmap;
- dev_set_drvdata(&op->dev, all);
+ dev_set_drvdata(&op->dev, info);
- printk("%s: leo at %lx:%lx\n",
+ printk(KERN_INFO "%s: leo at %lx:%lx\n",
dp->full_name,
- all->par.which_io, all->par.physbase);
+ par->which_io, par->physbase);
return 0;
-}
-static int __devinit leo_probe(struct of_device *dev, const struct of_device_id *match)
-{
- struct of_device *op = to_of_device(&dev->dev);
+out_dealloc_cmap:
+ fb_dealloc_cmap(&info->cmap);
+
+out_unmap_regs:
+ leo_unmap_regs(op, info, par);
+ framebuffer_release(info);
- return leo_init_one(op);
+out_err:
+ return err;
}
static int __devexit leo_remove(struct of_device *op)
{
- struct all_info *all = dev_get_drvdata(&op->dev);
+ struct fb_info *info = dev_get_drvdata(&op->dev);
+ struct leo_par *par = info->par;
- unregister_framebuffer(&all->info);
- fb_dealloc_cmap(&all->info.cmap);
+ unregister_framebuffer(info);
+ fb_dealloc_cmap(&info->cmap);
- leo_unmap_regs(op, all);
+ leo_unmap_regs(op, info, par);
- kfree(all);
+ framebuffer_release(info);
dev_set_drvdata(&op->dev, NULL);
return 0;
}
-static struct of_device_id leo_match[] = {
+static const struct of_device_id leo_match[] = {
{
- .name = "leo",
+ .name = "SUNW,leo",
},
{},
};
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff