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path: root/drivers/video/ffb.c
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-rw-r--r--drivers/video/ffb.c466
1 files changed, 217 insertions, 249 deletions
diff --git a/drivers/video/ffb.c b/drivers/video/ffb.c
index 7633e41adda1..2a0e8210d398 100644
--- a/drivers/video/ffb.c
+++ b/drivers/video/ffb.c
@@ -1,6 +1,6 @@
/* ffb.c: Creator/Elite3D frame buffer driver
*
- * Copyright (C) 2003 David S. Miller (davem@redhat.com)
+ * Copyright (C) 2003, 2006 David S. Miller (davem@davemloft.net)
* Copyright (C) 1997,1998,1999 Jakub Jelinek (jj@ultra.linux.cz)
*
* Driver layout based loosely on tgafb.c, see that file for credits.
@@ -19,7 +19,8 @@
#include <asm/io.h>
#include <asm/upa.h>
-#include <asm/oplib.h>
+#include <asm/prom.h>
+#include <asm/of_device.h>
#include <asm/fbio.h>
#include "sbuslib.h"
@@ -184,161 +185,161 @@ static struct fb_ops ffb_ops = {
struct ffb_fbc {
/* Next vertex registers */
- u32 xxx1[3];
- volatile u32 alpha;
- volatile u32 red;
- volatile u32 green;
- volatile u32 blue;
- volatile u32 depth;
- volatile u32 y;
- volatile u32 x;
- u32 xxx2[2];
- volatile u32 ryf;
- volatile u32 rxf;
- u32 xxx3[2];
+ u32 xxx1[3];
+ u32 alpha;
+ u32 red;
+ u32 green;
+ u32 blue;
+ u32 depth;
+ u32 y;
+ u32 x;
+ u32 xxx2[2];
+ u32 ryf;
+ u32 rxf;
+ u32 xxx3[2];
- volatile u32 dmyf;
- volatile u32 dmxf;
- u32 xxx4[2];
- volatile u32 ebyi;
- volatile u32 ebxi;
- u32 xxx5[2];
- volatile u32 by;
- volatile u32 bx;
- u32 dy;
- u32 dx;
- volatile u32 bh;
- volatile u32 bw;
- u32 xxx6[2];
+ u32 dmyf;
+ u32 dmxf;
+ u32 xxx4[2];
+ u32 ebyi;
+ u32 ebxi;
+ u32 xxx5[2];
+ u32 by;
+ u32 bx;
+ u32 dy;
+ u32 dx;
+ u32 bh;
+ u32 bw;
+ u32 xxx6[2];
- u32 xxx7[32];
+ u32 xxx7[32];
/* Setup unit vertex state register */
- volatile u32 suvtx;
- u32 xxx8[63];
+ u32 suvtx;
+ u32 xxx8[63];
/* Control registers */
- volatile u32 ppc;
- volatile u32 wid;
- volatile u32 fg;
- volatile u32 bg;
- volatile u32 consty;
- volatile u32 constz;
- volatile u32 xclip;
- volatile u32 dcss;
- volatile u32 vclipmin;
- volatile u32 vclipmax;
- volatile u32 vclipzmin;
- volatile u32 vclipzmax;
- volatile u32 dcsf;
- volatile u32 dcsb;
- volatile u32 dczf;
- volatile u32 dczb;
+ u32 ppc;
+ u32 wid;
+ u32 fg;
+ u32 bg;
+ u32 consty;
+ u32 constz;
+ u32 xclip;
+ u32 dcss;
+ u32 vclipmin;
+ u32 vclipmax;
+ u32 vclipzmin;
+ u32 vclipzmax;
+ u32 dcsf;
+ u32 dcsb;
+ u32 dczf;
+ u32 dczb;
- u32 xxx9;
- volatile u32 blendc;
- volatile u32 blendc1;
- volatile u32 blendc2;
- volatile u32 fbramitc;
- volatile u32 fbc;
- volatile u32 rop;
- volatile u32 cmp;
- volatile u32 matchab;
- volatile u32 matchc;
- volatile u32 magnab;
- volatile u32 magnc;
- volatile u32 fbcfg0;
- volatile u32 fbcfg1;
- volatile u32 fbcfg2;
- volatile u32 fbcfg3;
+ u32 xxx9;
+ u32 blendc;
+ u32 blendc1;
+ u32 blendc2;
+ u32 fbramitc;
+ u32 fbc;
+ u32 rop;
+ u32 cmp;
+ u32 matchab;
+ u32 matchc;
+ u32 magnab;
+ u32 magnc;
+ u32 fbcfg0;
+ u32 fbcfg1;
+ u32 fbcfg2;
+ u32 fbcfg3;
- u32 ppcfg;
- volatile u32 pick;
- volatile u32 fillmode;
- volatile u32 fbramwac;
- volatile u32 pmask;
- volatile u32 xpmask;
- volatile u32 ypmask;
- volatile u32 zpmask;
- volatile u32 clip0min;
- volatile u32 clip0max;
- volatile u32 clip1min;
- volatile u32 clip1max;
- volatile u32 clip2min;
- volatile u32 clip2max;
- volatile u32 clip3min;
- volatile u32 clip3max;
+ u32 ppcfg;
+ u32 pick;
+ u32 fillmode;
+ u32 fbramwac;
+ u32 pmask;
+ u32 xpmask;
+ u32 ypmask;
+ u32 zpmask;
+ u32 clip0min;
+ u32 clip0max;
+ u32 clip1min;
+ u32 clip1max;
+ u32 clip2min;
+ u32 clip2max;
+ u32 clip3min;
+ u32 clip3max;
/* New 3dRAM III support regs */
- volatile u32 rawblend2;
- volatile u32 rawpreblend;
- volatile u32 rawstencil;
- volatile u32 rawstencilctl;
- volatile u32 threedram1;
- volatile u32 threedram2;
- volatile u32 passin;
- volatile u32 rawclrdepth;
- volatile u32 rawpmask;
- volatile u32 rawcsrc;
- volatile u32 rawmatch;
- volatile u32 rawmagn;
- volatile u32 rawropblend;
- volatile u32 rawcmp;
- volatile u32 rawwac;
- volatile u32 fbramid;
+ u32 rawblend2;
+ u32 rawpreblend;
+ u32 rawstencil;
+ u32 rawstencilctl;
+ u32 threedram1;
+ u32 threedram2;
+ u32 passin;
+ u32 rawclrdepth;
+ u32 rawpmask;
+ u32 rawcsrc;
+ u32 rawmatch;
+ u32 rawmagn;
+ u32 rawropblend;
+ u32 rawcmp;
+ u32 rawwac;
+ u32 fbramid;
- volatile u32 drawop;
- u32 xxx10[2];
- volatile u32 fontlpat;
- u32 xxx11;
- volatile u32 fontxy;
- volatile u32 fontw;
- volatile u32 fontinc;
- volatile u32 font;
- u32 xxx12[3];
- volatile u32 blend2;
- volatile u32 preblend;
- volatile u32 stencil;
- volatile u32 stencilctl;
-
- u32 xxx13[4];
- volatile u32 dcss1;
- volatile u32 dcss2;
- volatile u32 dcss3;
- volatile u32 widpmask;
- volatile u32 dcs2;
- volatile u32 dcs3;
- volatile u32 dcs4;
- u32 xxx14;
- volatile u32 dcd2;
- volatile u32 dcd3;
- volatile u32 dcd4;
- u32 xxx15;
+ u32 drawop;
+ u32 xxx10[2];
+ u32 fontlpat;
+ u32 xxx11;
+ u32 fontxy;
+ u32 fontw;
+ u32 fontinc;
+ u32 font;
+ u32 xxx12[3];
+ u32 blend2;
+ u32 preblend;
+ u32 stencil;
+ u32 stencilctl;
+
+ u32 xxx13[4];
+ u32 dcss1;
+ u32 dcss2;
+ u32 dcss3;
+ u32 widpmask;
+ u32 dcs2;
+ u32 dcs3;
+ u32 dcs4;
+ u32 xxx14;
+ u32 dcd2;
+ u32 dcd3;
+ u32 dcd4;
+ u32 xxx15;
- volatile u32 pattern[32];
+ u32 pattern[32];
- u32 xxx16[256];
+ u32 xxx16[256];
- volatile u32 devid;
- u32 xxx17[63];
+ u32 devid;
+ u32 xxx17[63];
- volatile u32 ucsr;
- u32 xxx18[31];
+ u32 ucsr;
+ u32 xxx18[31];
- volatile u32 mer;
+ u32 mer;
};
struct ffb_dac {
- volatile u32 type;
- volatile u32 value;
- volatile u32 type2;
- volatile u32 value2;
+ u32 type;
+ u32 value;
+ u32 type2;
+ u32 value2;
};
struct ffb_par {
spinlock_t lock;
- struct ffb_fbc *fbc;
- struct ffb_dac *dac;
+ struct ffb_fbc __iomem *fbc;
+ struct ffb_dac __iomem *dac;
u32 flags;
#define FFB_FLAG_AFB 0x00000001
@@ -353,16 +354,13 @@ struct ffb_par {
unsigned long physbase;
unsigned long fbsize;
- char name[64];
- int prom_node;
- int prom_parent_node;
int dac_rev;
int board_type;
};
static void FFBFifo(struct ffb_par *par, int n)
{
- struct ffb_fbc *fbc;
+ struct ffb_fbc __iomem *fbc;
int cache = par->fifo_cache;
if (cache - n < 0) {
@@ -375,7 +373,7 @@ static void FFBFifo(struct ffb_par *par, int n)
static void FFBWait(struct ffb_par *par)
{
- struct ffb_fbc *fbc;
+ struct ffb_fbc __iomem *fbc;
int limit = 10000;
fbc = par->fbc;
@@ -408,8 +406,8 @@ static __inline__ void ffb_rop(struct ffb_par *par, u32 rop)
static void ffb_switch_from_graph(struct ffb_par *par)
{
- struct ffb_fbc *fbc = par->fbc;
- struct ffb_dac *dac = par->dac;
+ struct ffb_fbc __iomem *fbc = par->fbc;
+ struct ffb_dac __iomem *dac = par->dac;
unsigned long flags;
spin_lock_irqsave(&par->lock, flags);
@@ -462,7 +460,7 @@ static int ffb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
static void ffb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
{
struct ffb_par *par = (struct ffb_par *) info->par;
- struct ffb_fbc *fbc = par->fbc;
+ struct ffb_fbc __iomem *fbc = par->fbc;
unsigned long flags;
u32 fg;
@@ -505,7 +503,7 @@ static void
ffb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
{
struct ffb_par *par = (struct ffb_par *) info->par;
- struct ffb_fbc *fbc = par->fbc;
+ struct ffb_fbc __iomem *fbc = par->fbc;
unsigned long flags;
if (area->dx != area->sx ||
@@ -541,7 +539,7 @@ ffb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
static void ffb_imageblit(struct fb_info *info, const struct fb_image *image)
{
struct ffb_par *par = (struct ffb_par *) info->par;
- struct ffb_fbc *fbc = par->fbc;
+ struct ffb_fbc __iomem *fbc = par->fbc;
const u8 *data = image->data;
unsigned long flags;
u32 fg, bg, xy;
@@ -664,7 +662,7 @@ static int
ffb_blank(int blank, struct fb_info *info)
{
struct ffb_par *par = (struct ffb_par *) info->par;
- struct ffb_dac *dac = par->dac;
+ struct ffb_dac __iomem *dac = par->dac;
unsigned long flags;
u32 tmp;
@@ -883,78 +881,42 @@ ffb_init_fix(struct fb_info *info)
info->fix.accel = FB_ACCEL_SUN_CREATOR;
}
-static int ffb_apply_upa_parent_ranges(int parent,
- struct linux_prom64_registers *regs)
-{
- struct linux_prom64_ranges ranges[PROMREG_MAX];
- char name[128];
- int len, i;
-
- prom_getproperty(parent, "name", name, sizeof(name));
- if (strcmp(name, "upa") != 0)
- return 0;
-
- len = prom_getproperty(parent, "ranges", (void *) ranges, sizeof(ranges));
- if (len <= 0)
- return 1;
-
- len /= sizeof(struct linux_prom64_ranges);
- for (i = 0; i < len; i++) {
- struct linux_prom64_ranges *rng = &ranges[i];
- u64 phys_addr = regs->phys_addr;
-
- if (phys_addr >= rng->ot_child_base &&
- phys_addr < (rng->ot_child_base + rng->or_size)) {
- regs->phys_addr -= rng->ot_child_base;
- regs->phys_addr += rng->ot_parent_base;
- return 0;
- }
- }
-
- return 1;
-}
-
struct all_info {
struct fb_info info;
struct ffb_par par;
u32 pseudo_palette[256];
- struct list_head list;
};
-static LIST_HEAD(ffb_list);
-static void ffb_init_one(int node, int parent)
+static int ffb_init_one(struct of_device *op)
{
- struct linux_prom64_registers regs[2*PROMREG_MAX];
- struct ffb_fbc *fbc;
- struct ffb_dac *dac;
+ struct device_node *dp = op->node;
+ struct ffb_fbc __iomem *fbc;
+ struct ffb_dac __iomem *dac;
struct all_info *all;
+ int err;
- if (prom_getproperty(node, "reg", (void *) regs, sizeof(regs)) <= 0) {
- printk("ffb: Cannot get reg device node property.\n");
- return;
- }
+ all = kzalloc(sizeof(*all), GFP_KERNEL);
+ if (!all)
+ return -ENOMEM;
- if (ffb_apply_upa_parent_ranges(parent, &regs[0])) {
- printk("ffb: Cannot apply parent ranges to regs.\n");
- return;
+ spin_lock_init(&all->par.lock);
+ all->par.fbc = of_ioremap(&op->resource[2], 0,
+ sizeof(struct ffb_fbc), "ffb fbc");
+ if (!all->par.fbc) {
+ kfree(all);
+ return -ENOMEM;
}
- all = kmalloc(sizeof(*all), GFP_KERNEL);
- if (!all) {
- printk(KERN_ERR "ffb: Cannot allocate memory.\n");
- return;
+ all->par.dac = of_ioremap(&op->resource[1], 0,
+ sizeof(struct ffb_dac), "ffb dac");
+ if (!all->par.dac) {
+ of_iounmap(all->par.fbc, sizeof(struct ffb_fbc));
+ kfree(all);
+ return -ENOMEM;
}
- memset(all, 0, sizeof(*all));
-
- INIT_LIST_HEAD(&all->list);
- spin_lock_init(&all->par.lock);
- all->par.fbc = (struct ffb_fbc *)(regs[0].phys_addr + FFB_FBC_REGS_POFF);
- all->par.dac = (struct ffb_dac *)(regs[0].phys_addr + FFB_DAC_POFF);
all->par.rop_cache = FFB_ROP_NEW;
- all->par.physbase = regs[0].phys_addr;
- all->par.prom_node = node;
- all->par.prom_parent_node = parent;
+ all->par.physbase = op->resource[0].start;
/* Don't mention copyarea, so SCROLL_REDRAW is always
* used. It is the fastest on this chip.
@@ -968,7 +930,7 @@ static void ffb_init_one(int node, int parent)
all->info.par = &all->par;
all->info.pseudo_palette = all->pseudo_palette;
- sbusfb_fill_var(&all->info.var, all->par.prom_node, 32);
+ sbusfb_fill_var(&all->info.var, dp->node, 32);
all->par.fbsize = PAGE_ALIGN(all->info.var.xres *
all->info.var.yres *
4);
@@ -976,14 +938,13 @@ static void ffb_init_one(int node, int parent)
all->info.var.accel_flags = FB_ACCELF_TEXT;
- prom_getstring(node, "name", all->par.name, sizeof(all->par.name));
- if (!strcmp(all->par.name, "SUNW,afb"))
+ if (!strcmp(dp->name, "SUNW,afb"))
all->par.flags |= FFB_FLAG_AFB;
- all->par.board_type = prom_getintdefault(node, "board_type", 0);
+ all->par.board_type = of_getintprop_default(dp, "board_type", 0);
fbc = all->par.fbc;
- if((upa_readl(&fbc->ucsr) & FFB_UCSR_ALL_ERRORS) != 0)
+ if ((upa_readl(&fbc->ucsr) & FFB_UCSR_ALL_ERRORS) != 0)
upa_writel(FFB_UCSR_ALL_ERRORS, &fbc->ucsr);
ffb_switch_from_graph(&all->par);
@@ -1008,81 +969,88 @@ static void ffb_init_one(int node, int parent)
if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
printk(KERN_ERR "ffb: Could not allocate color map.\n");
kfree(all);
- return;
+ return -ENOMEM;
}
ffb_init_fix(&all->info);
- if (register_framebuffer(&all->info) < 0) {
+ err = register_framebuffer(&all->info);
+ if (err < 0) {
printk(KERN_ERR "ffb: Could not register framebuffer.\n");
fb_dealloc_cmap(&all->info.cmap);
kfree(all);
- return;
+ return err;
}
- list_add(&all->list, &ffb_list);
+ dev_set_drvdata(&op->dev, all);
- printk("ffb: %s at %016lx type %d DAC %d\n",
+ printk("%s: %s at %016lx, type %d, DAC revision %d\n",
+ dp->full_name,
((all->par.flags & FFB_FLAG_AFB) ? "AFB" : "FFB"),
- regs[0].phys_addr, all->par.board_type, all->par.dac_rev);
+ all->par.physbase, all->par.board_type, all->par.dac_rev);
+
+ return 0;
}
-static void ffb_scan_siblings(int root)
+static int __devinit ffb_probe(struct of_device *dev, const struct of_device_id *match)
{
- int node, child;
-
- child = prom_getchild(root);
- for (node = prom_searchsiblings(child, "SUNW,ffb"); node;
- node = prom_searchsiblings(prom_getsibling(node), "SUNW,ffb"))
- ffb_init_one(node, root);
- for (node = prom_searchsiblings(child, "SUNW,afb"); node;
- node = prom_searchsiblings(prom_getsibling(node), "SUNW,afb"))
- ffb_init_one(node, root);
+ struct of_device *op = to_of_device(&dev->dev);
+
+ return ffb_init_one(op);
}
-int __init ffb_init(void)
+static int __devexit ffb_remove(struct of_device *dev)
{
- int root;
+ struct all_info *all = dev_get_drvdata(&dev->dev);
- if (fb_get_options("ffb", NULL))
- return -ENODEV;
+ unregister_framebuffer(&all->info);
+ fb_dealloc_cmap(&all->info.cmap);
- ffb_scan_siblings(prom_root_node);
+ of_iounmap(all->par.fbc, sizeof(struct ffb_fbc));
+ of_iounmap(all->par.dac, sizeof(struct ffb_dac));
- root = prom_getchild(prom_root_node);
- for (root = prom_searchsiblings(root, "upa"); root;
- root = prom_searchsiblings(prom_getsibling(root), "upa"))
- ffb_scan_siblings(root);
+ kfree(all);
+
+ dev_set_drvdata(&dev->dev, NULL);
return 0;
}
-void __exit ffb_exit(void)
-{
- struct list_head *pos, *tmp;
+static struct of_device_id ffb_match[] = {
+ {
+ .name = "SUNW,ffb",
+ },
+ {
+ .name = "SUNW,afb",
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, ffb_match);
+
+static struct of_platform_driver ffb_driver = {
+ .name = "ffb",
+ .match_table = ffb_match,
+ .probe = ffb_probe,
+ .remove = __devexit_p(ffb_remove),
+};
- list_for_each_safe(pos, tmp, &ffb_list) {
- struct all_info *all = list_entry(pos, typeof(*all), list);
+int __init ffb_init(void)
+{
+ if (fb_get_options("ffb", NULL))
+ return -ENODEV;
- unregister_framebuffer(&all->info);
- fb_dealloc_cmap(&all->info.cmap);
- kfree(all);
- }
+ return of_register_driver(&ffb_driver, &of_bus_type);
}
-int __init
-ffb_setup(char *arg)
+void __exit ffb_exit(void)
{
- /* No cmdline options yet... */
- return 0;
+ of_unregister_driver(&ffb_driver);
}
module_init(ffb_init);
-
-#ifdef MODULE
module_exit(ffb_exit);
-#endif
MODULE_DESCRIPTION("framebuffer driver for Creator/Elite3D chipsets");
-MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
+MODULE_AUTHOR("David S. Miller <davem@davemloft.net>");
+MODULE_VERSION("2.0");
MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-18 16:23:07 +0000