/* 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.
#include <linux/fb.h>
#include <linux/mm.h>
#include <linux/timer.h>
+#include <linux/of_device.h>
#include <asm/io.h>
#include <asm/upa.h>
-#include <asm/oplib.h>
#include <asm/fbio.h>
#include "sbuslib.h"
static int ffb_setcolreg(unsigned, unsigned, unsigned, unsigned,
unsigned, struct fb_info *);
static int ffb_blank(int, struct fb_info *);
-static void ffb_init_fix(struct fb_info *);
static void ffb_imageblit(struct fb_info *, const struct fb_image *);
static void ffb_fillrect(struct fb_info *, const struct fb_fillrect *);
#define FFB_PPC_CS_VAR 0x000002
#define FFB_PPC_CS_CONST 0x000003
-#define FFB_ROP_NEW 0x83
-#define FFB_ROP_OLD 0x85
-#define FFB_ROP_NEW_XOR_OLD 0x86
+#define FFB_ROP_NEW 0x83
+#define FFB_ROP_OLD 0x85
+#define FFB_ROP_NEW_XOR_OLD 0x86
-#define FFB_UCSR_FIFO_MASK 0x00000fff
-#define FFB_UCSR_FB_BUSY 0x01000000
-#define FFB_UCSR_RP_BUSY 0x02000000
-#define FFB_UCSR_ALL_BUSY (FFB_UCSR_RP_BUSY|FFB_UCSR_FB_BUSY)
-#define FFB_UCSR_READ_ERR 0x40000000
-#define FFB_UCSR_FIFO_OVFL 0x80000000
-#define FFB_UCSR_ALL_ERRORS (FFB_UCSR_READ_ERR|FFB_UCSR_FIFO_OVFL)
+#define FFB_UCSR_FIFO_MASK 0x00000fff
+#define FFB_UCSR_FB_BUSY 0x01000000
+#define FFB_UCSR_RP_BUSY 0x02000000
+#define FFB_UCSR_ALL_BUSY (FFB_UCSR_RP_BUSY|FFB_UCSR_FB_BUSY)
+#define FFB_UCSR_READ_ERR 0x40000000
+#define FFB_UCSR_FIFO_OVFL 0x80000000
+#define FFB_UCSR_ALL_ERRORS (FFB_UCSR_READ_ERR|FFB_UCSR_FIFO_OVFL)
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];
-
- 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 xxx7[32];
-
+ 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];
+
+ 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];
+
/* 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 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 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 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;
+ 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;
+ 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;
-
- 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;
-
- volatile u32 pattern[32];
-
- u32 xxx16[256];
-
- volatile u32 devid;
- u32 xxx17[63];
-
- volatile u32 ucsr;
- u32 xxx18[31];
-
- volatile u32 mer;
+ 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;
+
+ 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;
+
+ u32 pattern[32];
+
+ u32 xxx16[256];
+
+ u32 devid;
+ u32 xxx17[63];
+
+ u32 ucsr;
+ u32 xxx18[31];
+
+ 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;
};
+#define FFB_DAC_UCTRL 0x1001 /* User Control */
+#define FFB_DAC_UCTRL_MANREV 0x00000f00 /* 4-bit Manufacturing Revision */
+#define FFB_DAC_UCTRL_MANREV_SHIFT 8
+#define FFB_DAC_TGEN 0x6000 /* Timing Generator */
+#define FFB_DAC_TGEN_VIDE 0x00000001 /* Video Enable */
+#define FFB_DAC_DID 0x8000 /* Device Identification */
+#define FFB_DAC_DID_PNUM 0x0ffff000 /* Device Part Number */
+#define FFB_DAC_DID_PNUM_SHIFT 12
+#define FFB_DAC_DID_REV 0xf0000000 /* Device Revision */
+#define FFB_DAC_DID_REV_SHIFT 28
+
+#define FFB_DAC_CUR_CTRL 0x100
+#define FFB_DAC_CUR_CTRL_P0 0x00000001
+#define FFB_DAC_CUR_CTRL_P1 0x00000002
+
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
-#define FFB_FLAG_BLANKED 0x00000002
+#define FFB_FLAG_AFB 0x00000001 /* AFB m3 or m6 */
+#define FFB_FLAG_BLANKED 0x00000002 /* screen is blanked */
+#define FFB_FLAG_INVCURSOR 0x00000004 /* DAC has inverted cursor logic */
u32 fg_cache __attribute__((aligned (8)));
u32 bg_cache;
unsigned long physbase;
unsigned long fbsize;
- char name[64];
- int prom_node;
- int prom_parent_node;
- int dac_rev;
int board_type;
+
+ u32 pseudo_palette[16];
};
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) {
fbc = par->fbc;
- do { cache = (upa_readl(&fbc->ucsr) & FFB_UCSR_FIFO_MASK) - 8;
+ do {
+ cache = (upa_readl(&fbc->ucsr) & FFB_UCSR_FIFO_MASK);
+ cache -= 8;
} while (cache - n < 0);
}
par->fifo_cache = cache - n;
static void FFBWait(struct ffb_par *par)
{
- struct ffb_fbc *fbc;
+ struct ffb_fbc __iomem *fbc;
int limit = 10000;
fbc = par->fbc;
upa_writel(FFB_UCSR_ALL_ERRORS, &fbc->ucsr);
}
udelay(10);
- } while(--limit > 0);
+ } while (--limit > 0);
}
static int ffb_sync(struct fb_info *p)
{
- struct ffb_par *par = (struct ffb_par *) p->par;
+ struct ffb_par *par = (struct ffb_par *)p->par;
FFBWait(par);
return 0;
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);
FFBWait(par);
par->fifo_cache = 0;
FFBFifo(par, 7);
- upa_writel(FFB_PPC_VCE_DISABLE|FFB_PPC_TBE_OPAQUE|
- FFB_PPC_APE_DISABLE|FFB_PPC_CS_CONST,
+ upa_writel(FFB_PPC_VCE_DISABLE | FFB_PPC_TBE_OPAQUE |
+ FFB_PPC_APE_DISABLE | FFB_PPC_CS_CONST,
&fbc->ppc);
upa_writel(0x2000707f, &fbc->fbc);
upa_writel(par->rop_cache, &fbc->rop);
FFBWait(par);
/* Disable cursor. */
- upa_writel(0x100, &dac->type2);
- if (par->dac_rev <= 2)
+ upa_writel(FFB_DAC_CUR_CTRL, &dac->type2);
+ if (par->flags & FFB_FLAG_INVCURSOR)
upa_writel(0, &dac->value2);
else
- upa_writel(3, &dac->value2);
+ upa_writel((FFB_DAC_CUR_CTRL_P0 |
+ FFB_DAC_CUR_CTRL_P1), &dac->value2);
spin_unlock_irqrestore(&par->lock, flags);
}
static int ffb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
{
- struct ffb_par *par = (struct ffb_par *) info->par;
+ struct ffb_par *par = (struct ffb_par *)info->par;
/* We just use this to catch switches out of
* graphics mode.
}
/**
- * ffb_fillrect - REQUIRED function. Can use generic routines if
- * non acclerated hardware and packed pixel based.
- * Draws a rectangle on the screen.
+ * ffb_fillrect - Draws a rectangle on the screen.
*
- * @info: frame buffer structure that represents a single frame buffer
- * @rect: structure defining the rectagle and operation.
+ * @info: frame buffer structure that represents a single frame buffer
+ * @rect: structure defining the rectagle and operation.
*/
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_par *par = (struct ffb_par *)info->par;
+ struct ffb_fbc __iomem *fbc = par->fbc;
unsigned long flags;
u32 fg;
par->fg_cache = fg;
}
- ffb_rop(par, (rect->rop == ROP_COPY ?
- FFB_ROP_NEW :
- FFB_ROP_NEW_XOR_OLD));
+ ffb_rop(par, rect->rop == ROP_COPY ?
+ FFB_ROP_NEW :
+ FFB_ROP_NEW_XOR_OLD);
FFBFifo(par, 5);
upa_writel(FFB_DRAWOP_RECTANGLE, &fbc->drawop);
}
/**
- * ffb_copyarea - REQUIRED function. Can use generic routines if
- * non acclerated hardware and packed pixel based.
- * Copies on area of the screen to another area.
+ * ffb_copyarea - Copies on area of the screen to another area.
*
- * @info: frame buffer structure that represents a single frame buffer
- * @area: structure defining the source and destination.
+ * @info: frame buffer structure that represents a single frame buffer
+ * @area: structure defining the source and destination.
*/
-static void
-ffb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
+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_par *par = (struct ffb_par *)info->par;
+ struct ffb_fbc __iomem *fbc = par->fbc;
unsigned long flags;
if (area->dx != area->sx ||
}
/**
- * ffb_imageblit - REQUIRED function. Can use generic routines if
- * non acclerated hardware and packed pixel based.
- * Copies a image from system memory to the screen.
+ * ffb_imageblit - Copies a image from system memory to the screen.
*
- * @info: frame buffer structure that represents a single frame buffer
- * @image: structure defining the image.
+ * @info: frame buffer structure that represents a single frame buffer
+ * @image: structure defining the image.
*/
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_par *par = (struct ffb_par *)info->par;
+ struct ffb_fbc __iomem *fbc = par->fbc;
const u8 *data = image->data;
unsigned long flags;
u32 fg, bg, xy;
}
/**
- * ffb_setcolreg - Optional function. Sets a color register.
- * @regno: boolean, 0 copy local, 1 get_user() function
- * @red: frame buffer colormap structure
- * @green: The green value which can be up to 16 bits wide
- * @blue: The blue value which can be up to 16 bits wide.
- * @transp: If supported the alpha value which can be up to 16 bits wide.
- * @info: frame buffer info structure
+ * ffb_setcolreg - Sets a color register.
+ *
+ * @regno: boolean, 0 copy local, 1 get_user() function
+ * @red: frame buffer colormap structure
+ * @green: The green value which can be up to 16 bits wide
+ * @blue: The blue value which can be up to 16 bits wide.
+ * @transp: If supported the alpha value which can be up to 16 bits wide.
+ * @info: frame buffer info structure
*/
static int ffb_setcolreg(unsigned regno,
unsigned red, unsigned green, unsigned blue,
{
u32 value;
- if (regno >= 256)
+ if (regno >= 16)
return 1;
red >>= 8;
}
/**
- * ffb_blank - Optional function. Blanks the display.
- * @blank_mode: the blank mode we want.
- * @info: frame buffer structure that represents a single frame buffer
+ * ffb_blank - Optional function. Blanks the display.
+ * @blank_mode: the blank mode we want.
+ * @info: frame buffer structure that represents a single frame buffer
*/
-static int
-ffb_blank(int blank, struct fb_info *info)
+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_par *par = (struct ffb_par *)info->par;
+ struct ffb_dac __iomem *dac = par->dac;
unsigned long flags;
- u32 tmp;
+ u32 val;
+ int i;
spin_lock_irqsave(&par->lock, flags);
FFBWait(par);
+ upa_writel(FFB_DAC_TGEN, &dac->type);
+ val = upa_readl(&dac->value);
switch (blank) {
case FB_BLANK_UNBLANK: /* Unblanking */
- upa_writel(0x6000, &dac->type);
- tmp = (upa_readl(&dac->value) | 0x1);
- upa_writel(0x6000, &dac->type);
- upa_writel(tmp, &dac->value);
+ val |= FFB_DAC_TGEN_VIDE;
par->flags &= ~FFB_FLAG_BLANKED;
break;
case FB_BLANK_VSYNC_SUSPEND: /* VESA blank (vsync off) */
case FB_BLANK_HSYNC_SUSPEND: /* VESA blank (hsync off) */
case FB_BLANK_POWERDOWN: /* Poweroff */
- upa_writel(0x6000, &dac->type);
- tmp = (upa_readl(&dac->value) & ~0x1);
- upa_writel(0x6000, &dac->type);
- upa_writel(tmp, &dac->value);
+ val &= ~FFB_DAC_TGEN_VIDE;
par->flags |= FFB_FLAG_BLANKED;
break;
}
+ upa_writel(FFB_DAC_TGEN, &dac->type);
+ upa_writel(val, &dac->value);
+ for (i = 0; i < 10; i++) {
+ upa_writel(FFB_DAC_TGEN, &dac->type);
+ upa_readl(&dac->value);
+ }
spin_unlock_irqrestore(&par->lock, flags);
static int ffb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
{
- struct ffb_par *par = (struct ffb_par *) info->par;
+ struct ffb_par *par = (struct ffb_par *)info->par;
return sbusfb_ioctl_helper(cmd, arg, info,
FBTYPE_CREATOR, 24, par->fbsize);
* Initialisation
*/
-static void
-ffb_init_fix(struct fb_info *info)
+static void ffb_init_fix(struct fb_info *info)
{
struct ffb_par *par = (struct ffb_par *)info->par;
const char *ffb_type_name;
info->fix.accel = FB_ACCEL_SUN_CREATOR;
}
-static int ffb_apply_upa_parent_ranges(int parent,
- struct linux_prom64_registers *regs)
+static int __devinit ffb_probe(struct of_device *op,
+ const struct of_device_id *match)
{
- struct linux_prom64_ranges ranges[PROMREG_MAX];
- char name[128];
- int len, i;
+ struct device_node *dp = op->node;
+ struct ffb_fbc __iomem *fbc;
+ struct ffb_dac __iomem *dac;
+ struct fb_info *info;
+ struct ffb_par *par;
+ u32 dac_pnum, dac_rev, dac_mrev;
+ int err;
- prom_getproperty(parent, "name", name, sizeof(name));
- if (strcmp(name, "upa") != 0)
- return 0;
+ info = framebuffer_alloc(sizeof(struct ffb_par), &op->dev);
- len = prom_getproperty(parent, "ranges", (void *) ranges, sizeof(ranges));
- if (len <= 0)
- return 1;
+ err = -ENOMEM;
+ if (!info)
+ goto out_err;
- 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;
+ par = info->par;
- 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;
- }
- }
+ spin_lock_init(&par->lock);
+ par->fbc = of_ioremap(&op->resource[2], 0,
+ sizeof(struct ffb_fbc), "ffb fbc");
+ if (!par->fbc)
+ goto out_release_fb;
- return 1;
-}
+ par->dac = of_ioremap(&op->resource[1], 0,
+ sizeof(struct ffb_dac), "ffb dac");
+ if (!par->dac)
+ goto out_unmap_fbc;
-struct all_info {
- struct fb_info info;
- struct ffb_par par;
- u32 pseudo_palette[256];
- struct list_head list;
-};
-static LIST_HEAD(ffb_list);
+ par->rop_cache = FFB_ROP_NEW;
+ par->physbase = op->resource[0].start;
-static void ffb_init_one(int node, int parent)
-{
- struct linux_prom64_registers regs[2*PROMREG_MAX];
- struct ffb_fbc *fbc;
- struct ffb_dac *dac;
- struct all_info *all;
+ /* Don't mention copyarea, so SCROLL_REDRAW is always
+ * used. It is the fastest on this chip.
+ */
+ info->flags = (FBINFO_DEFAULT |
+ /* FBINFO_HWACCEL_COPYAREA | */
+ FBINFO_HWACCEL_FILLRECT |
+ FBINFO_HWACCEL_IMAGEBLIT);
- if (prom_getproperty(node, "reg", (void *) regs, sizeof(regs)) <= 0) {
- printk("ffb: Cannot get reg device node property.\n");
- return;
- }
+ info->fbops = &ffb_ops;
- if (ffb_apply_upa_parent_ranges(parent, ®s[0])) {
- printk("ffb: Cannot apply parent ranges to regs.\n");
- return;
- }
+ info->screen_base = (char *) par->physbase + FFB_DFB24_POFF;
+ info->pseudo_palette = par->pseudo_palette;
- all = kmalloc(sizeof(*all), GFP_KERNEL);
- if (!all) {
- printk(KERN_ERR "ffb: Cannot allocate memory.\n");
- return;
- }
- memset(all, 0, sizeof(*all));
+ sbusfb_fill_var(&info->var, dp, 32);
+ par->fbsize = PAGE_ALIGN(info->var.xres * info->var.yres * 4);
+ ffb_fixup_var_rgb(&info->var);
- INIT_LIST_HEAD(&all->list);
+ info->var.accel_flags = FB_ACCELF_TEXT;
- 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;
+ if (!strcmp(dp->name, "SUNW,afb"))
+ par->flags |= FFB_FLAG_AFB;
- /* Don't mention copyarea, so SCROLL_REDRAW is always
- * used. It is the fastest on this chip.
- */
- all->info.flags = (FBINFO_DEFAULT |
- /* FBINFO_HWACCEL_COPYAREA | */
- FBINFO_HWACCEL_FILLRECT |
- FBINFO_HWACCEL_IMAGEBLIT);
- all->info.fbops = &ffb_ops;
- all->info.screen_base = (char *) all->par.physbase + FFB_DFB24_POFF;
- all->info.par = &all->par;
- all->info.pseudo_palette = all->pseudo_palette;
-
- sbusfb_fill_var(&all->info.var, all->par.prom_node, 32);
- all->par.fbsize = PAGE_ALIGN(all->info.var.xres *
- all->info.var.yres *
- 4);
- ffb_fixup_var_rgb(&all->info.var);
-
- 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"))
- all->par.flags |= FFB_FLAG_AFB;
-
- all->par.board_type = prom_getintdefault(node, "board_type", 0);
-
- fbc = all->par.fbc;
- if((upa_readl(&fbc->ucsr) & FFB_UCSR_ALL_ERRORS) != 0)
+ par->board_type = of_getintprop_default(dp, "board_type", 0);
+
+ fbc = par->fbc;
+ if ((upa_readl(&fbc->ucsr) & FFB_UCSR_ALL_ERRORS) != 0)
upa_writel(FFB_UCSR_ALL_ERRORS, &fbc->ucsr);
- ffb_switch_from_graph(&all->par);
+ dac = par->dac;
+ upa_writel(FFB_DAC_DID, &dac->type);
+ dac_pnum = upa_readl(&dac->value);
+ dac_rev = (dac_pnum & FFB_DAC_DID_REV) >> FFB_DAC_DID_REV_SHIFT;
+ dac_pnum = (dac_pnum & FFB_DAC_DID_PNUM) >> FFB_DAC_DID_PNUM_SHIFT;
- dac = all->par.dac;
- upa_writel(0x8000, &dac->type);
- all->par.dac_rev = upa_readl(&dac->value) >> 0x1c;
+ upa_writel(FFB_DAC_UCTRL, &dac->type);
+ dac_mrev = upa_readl(&dac->value);
+ dac_mrev = (dac_mrev & FFB_DAC_UCTRL_MANREV) >>
+ FFB_DAC_UCTRL_MANREV_SHIFT;
/* Elite3D has different DAC revision numbering, and no DAC revisions
- * have the reversed meaning of cursor enable.
+ * have the reversed meaning of cursor enable. Otherwise, Pacifica 1
+ * ramdacs with manufacturing revision less than 3 have inverted
+ * cursor logic. We identify Pacifica 1 as not Pacifica 2, the
+ * latter having a part number value of 0x236e.
*/
- if (all->par.flags & FFB_FLAG_AFB)
- all->par.dac_rev = 10;
+ if ((par->flags & FFB_FLAG_AFB) || dac_pnum == 0x236e) {
+ par->flags &= ~FFB_FLAG_INVCURSOR;
+ } else {
+ if (dac_mrev < 3)
+ par->flags |= FFB_FLAG_INVCURSOR;
+ }
+
+ ffb_switch_from_graph(par);
/* Unblank it just to be sure. When there are multiple
* FFB/AFB cards in the system, or it is not the OBP
* chosen console, it will have video outputs off in
* the DAC.
*/
- ffb_blank(0, &all->info);
+ ffb_blank(FB_BLANK_UNBLANK, info);
- if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
- printk(KERN_ERR "ffb: Could not allocate color map.\n");
- kfree(all);
- return;
- }
+ if (fb_alloc_cmap(&info->cmap, 256, 0))
+ goto out_unmap_dac;
- ffb_init_fix(&all->info);
+ ffb_init_fix(info);
- if (register_framebuffer(&all->info) < 0) {
- printk(KERN_ERR "ffb: Could not register framebuffer.\n");
- fb_dealloc_cmap(&all->info.cmap);
- kfree(all);
- return;
- }
+ err = register_framebuffer(info);
+ if (err < 0)
+ goto out_dealloc_cmap;
- list_add(&all->list, &ffb_list);
+ dev_set_drvdata(&op->dev, info);
- printk("ffb: %s at %016lx type %d DAC %d\n",
- ((all->par.flags & FFB_FLAG_AFB) ? "AFB" : "FFB"),
- regs[0].phys_addr, all->par.board_type, all->par.dac_rev);
-}
+ printk(KERN_INFO "%s: %s at %016lx, type %d, "
+ "DAC pnum[%x] rev[%d] manuf_rev[%d]\n",
+ dp->full_name,
+ ((par->flags & FFB_FLAG_AFB) ? "AFB" : "FFB"),
+ par->physbase, par->board_type,
+ dac_pnum, dac_rev, dac_mrev);
-static void ffb_scan_siblings(int root)
-{
- 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);
+ return 0;
+
+out_dealloc_cmap:
+ fb_dealloc_cmap(&info->cmap);
+
+out_unmap_dac:
+ of_iounmap(&op->resource[2], par->fbc, sizeof(struct ffb_fbc));
+
+out_unmap_fbc:
+ of_iounmap(&op->resource[2], par->fbc, sizeof(struct ffb_fbc));
+
+out_release_fb:
+ framebuffer_release(info);
+
+out_err:
+ return err;
}
-int __init ffb_init(void)
+static int __devexit ffb_remove(struct of_device *op)
{
- int root;
+ struct fb_info *info = dev_get_drvdata(&op->dev);
+ struct ffb_par *par = info->par;
- if (fb_get_options("ffb", NULL))
- return -ENODEV;
+ unregister_framebuffer(info);
+ fb_dealloc_cmap(&info->cmap);
- ffb_scan_siblings(prom_root_node);
+ of_iounmap(&op->resource[2], par->fbc, sizeof(struct ffb_fbc));
+ of_iounmap(&op->resource[1], 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);
+ framebuffer_release(info);
+
+ dev_set_drvdata(&op->dev, NULL);
return 0;
}
-void __exit ffb_exit(void)
-{
- struct list_head *pos, *tmp;
+static const 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);
+static 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)
+static 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");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff