#include <linux/fb.h>
#include <linux/init.h>
#include <linux/pci.h>
+#ifdef CONFIG_MTRR
+#include <asm/mtrr.h>
+#endif
#include <video/pm3fb.h>
#undef PM3FB_MASTER_DEBUG
#ifdef PM3FB_MASTER_DEBUG
-#define DPRINTK(a,b...) printk(KERN_DEBUG "pm3fb: %s: " a, __FUNCTION__ , ## b)
+#define DPRINTK(a, b...) \
+ printk(KERN_DEBUG "pm3fb: %s: " a, __func__ , ## b)
#else
-#define DPRINTK(a,b...)
+#define DPRINTK(a, b...)
#endif
#define PM3_PIXMAP_SIZE (2048 * 4)
/*
* Driver data
*/
+static int hwcursor = 1;
static char *mode_option __devinitdata;
+static int noaccel __devinitdata;
+
+/* mtrr option */
+#ifdef CONFIG_MTRR
+static int nomtrr __devinitdata;
+#endif
/*
* This structure defines the hardware state of the graphics card. Normally
struct pm3_par {
unsigned char __iomem *v_regs;/* virtual address of p_regs */
u32 video; /* video flags before blanking */
- u32 base; /* screen base (xoffset+yoffset) in 128 bits unit */
+ u32 base; /* screen base in 128 bits unit */
u32 palette[16];
+ int mtrr_handle;
};
/*
static inline void PM3_WAIT(struct pm3_par *par, u32 n)
{
- while (PM3_READ_REG(par, PM3InFIFOSpace) < n);
+ while (PM3_READ_REG(par, PM3InFIFOSpace) < n)
+ cpu_relax();
}
static inline void PM3_WRITE_DAC_REG(struct pm3_par *par, unsigned r, u8 v)
PM3_WRITE_REG(par, PM3Sync, 0);
mb();
do {
- while ((PM3_READ_REG(par, PM3OutFIFOWords)) == 0);
- rmb();
+ while ((PM3_READ_REG(par, PM3OutFIFOWords)) == 0)
+ cpu_relax();
} while ((PM3_READ_REG(par, PM3OutputFifo)) != PM3Sync_Tag);
return 0;
pm3fb_sync(info);
}
-static void pm3fb_fillrect (struct fb_info *info,
+static void pm3fb_fillrect(struct fb_info *info,
const struct fb_fillrect *region)
{
struct pm3_par *par = info->par;
int vxres, vyres;
int rop;
u32 color = (info->fix.visual == FB_VISUAL_TRUECOLOR) ?
- ((u32*)info->pseudo_palette)[region->color] : region->color;
+ ((u32 *)info->pseudo_palette)[region->color] : region->color;
if (info->state != FBINFO_STATE_RUNNING)
return;
memcpy(&modded, region, sizeof(struct fb_fillrect));
- if(!modded.width || !modded.height ||
- modded.dx >= vxres || modded.dy >= vyres)
+ if (!modded.width || !modded.height ||
+ modded.dx >= vxres || modded.dy >= vyres)
return;
- if(modded.dx + modded.width > vxres)
+ if (modded.dx + modded.width > vxres)
modded.width = vxres - modded.dx;
- if(modded.dy + modded.height > vyres)
+ if (modded.dy + modded.height > vyres)
modded.height = vyres - modded.dy;
- if(info->var.bits_per_pixel == 8)
+ if (info->var.bits_per_pixel == 8)
color |= color << 8;
- if(info->var.bits_per_pixel <= 16)
+ if (info->var.bits_per_pixel <= 16)
color |= color << 16;
PM3_WAIT(par, 4);
vxres = info->var.xres_virtual;
vyres = info->var.yres_virtual;
- if(!modded.width || !modded.height ||
- modded.sx >= vxres || modded.sy >= vyres ||
- modded.dx >= vxres || modded.dy >= vyres)
+ if (!modded.width || !modded.height ||
+ modded.sx >= vxres || modded.sy >= vyres ||
+ modded.dx >= vxres || modded.dy >= vyres)
return;
- if(modded.sx + modded.width > vxres)
+ if (modded.sx + modded.width > vxres)
modded.width = vxres - modded.sx;
- if(modded.dx + modded.width > vxres)
+ if (modded.dx + modded.width > vxres)
modded.width = vxres - modded.dx;
- if(modded.sy + modded.height > vyres)
+ if (modded.sy + modded.height > vyres)
modded.height = vyres - modded.sy;
- if(modded.dy + modded.height > vyres)
+ if (modded.dy + modded.height > vyres)
modded.height = vyres - modded.dy;
o_x = modded.sx - modded.dx; /*(sx > dx ) ? (sx - dx) : (dx - sx); */
struct pm3_par *par = info->par;
u32 height = image->height;
u32 fgx, bgx;
- const u32 *src = (const u32*)image->data;
+ const u32 *src = (const u32 *)image->data;
if (info->state != FBINFO_STATE_RUNNING)
return;
return;
}
switch (info->fix.visual) {
- case FB_VISUAL_PSEUDOCOLOR:
- fgx = image->fg_color;
- bgx = image->bg_color;
- break;
- case FB_VISUAL_TRUECOLOR:
- default:
- fgx = par->palette[image->fg_color];
- bgx = par->palette[image->bg_color];
- break;
+ case FB_VISUAL_PSEUDOCOLOR:
+ fgx = image->fg_color;
+ bgx = image->bg_color;
+ break;
+ case FB_VISUAL_TRUECOLOR:
+ default:
+ fgx = par->palette[image->fg_color];
+ bgx = par->palette[image->bg_color];
+ break;
}
if (image->depth != 1) {
- return cfb_imageblit(info, image);
+ cfb_imageblit(info, image);
+ return;
}
+
if (info->var.bits_per_pixel == 8) {
fgx |= fgx << 8;
bgx |= bgx << 8;
}
/* end of acceleration functions */
+/*
+ * Hardware Cursor support.
+ */
+static const u8 cursor_bits_lookup[16] = {
+ 0x00, 0x40, 0x10, 0x50, 0x04, 0x44, 0x14, 0x54,
+ 0x01, 0x41, 0x11, 0x51, 0x05, 0x45, 0x15, 0x55
+};
+
+static int pm3fb_cursor(struct fb_info *info, struct fb_cursor *cursor)
+{
+ struct pm3_par *par = info->par;
+ u8 mode;
+
+ if (!hwcursor)
+ return -EINVAL; /* just to force soft_cursor() call */
+
+ /* Too large of a cursor or wrong bpp :-( */
+ if (cursor->image.width > 64 ||
+ cursor->image.height > 64 ||
+ cursor->image.depth > 1)
+ return -EINVAL;
+
+ mode = PM3RD_CursorMode_TYPE_X;
+ if (cursor->enable)
+ mode |= PM3RD_CursorMode_CURSOR_ENABLE;
+
+ PM3_WRITE_DAC_REG(par, PM3RD_CursorMode, mode);
+
+ /*
+ * If the cursor is not be changed this means either we want the
+ * current cursor state (if enable is set) or we want to query what
+ * we can do with the cursor (if enable is not set)
+ */
+ if (!cursor->set)
+ return 0;
+
+ if (cursor->set & FB_CUR_SETPOS) {
+ int x = cursor->image.dx - info->var.xoffset;
+ int y = cursor->image.dy - info->var.yoffset;
+
+ PM3_WRITE_DAC_REG(par, PM3RD_CursorXLow, x & 0xff);
+ PM3_WRITE_DAC_REG(par, PM3RD_CursorXHigh, (x >> 8) & 0xf);
+ PM3_WRITE_DAC_REG(par, PM3RD_CursorYLow, y & 0xff);
+ PM3_WRITE_DAC_REG(par, PM3RD_CursorYHigh, (y >> 8) & 0xf);
+ }
+
+ if (cursor->set & FB_CUR_SETHOT) {
+ PM3_WRITE_DAC_REG(par, PM3RD_CursorHotSpotX,
+ cursor->hot.x & 0x3f);
+ PM3_WRITE_DAC_REG(par, PM3RD_CursorHotSpotY,
+ cursor->hot.y & 0x3f);
+ }
+
+ if (cursor->set & FB_CUR_SETCMAP) {
+ u32 fg_idx = cursor->image.fg_color;
+ u32 bg_idx = cursor->image.bg_color;
+ struct fb_cmap cmap = info->cmap;
+
+ /* the X11 driver says one should use these color registers */
+ PM3_WRITE_DAC_REG(par, PM3RD_CursorPalette(39),
+ cmap.red[fg_idx] >> 8 );
+ PM3_WRITE_DAC_REG(par, PM3RD_CursorPalette(40),
+ cmap.green[fg_idx] >> 8 );
+ PM3_WRITE_DAC_REG(par, PM3RD_CursorPalette(41),
+ cmap.blue[fg_idx] >> 8 );
+
+ PM3_WRITE_DAC_REG(par, PM3RD_CursorPalette(42),
+ cmap.red[bg_idx] >> 8 );
+ PM3_WRITE_DAC_REG(par, PM3RD_CursorPalette(43),
+ cmap.green[bg_idx] >> 8 );
+ PM3_WRITE_DAC_REG(par, PM3RD_CursorPalette(44),
+ cmap.blue[bg_idx] >> 8 );
+ }
+
+ if (cursor->set & (FB_CUR_SETSHAPE | FB_CUR_SETIMAGE)) {
+ u8 *bitmap = (u8 *)cursor->image.data;
+ u8 *mask = (u8 *)cursor->mask;
+ int i;
+ int pos = PM3RD_CursorPattern(0);
+
+ for (i = 0; i < cursor->image.height; i++) {
+ int j = (cursor->image.width + 7) >> 3;
+ int k = 8 - j;
+
+ for (; j > 0; j--) {
+ u8 data = *bitmap ^ *mask;
+
+ if (cursor->rop == ROP_COPY)
+ data = *mask & *bitmap;
+ /* Upper 4 bits of bitmap data */
+ PM3_WRITE_DAC_REG(par, pos++,
+ cursor_bits_lookup[data >> 4] |
+ (cursor_bits_lookup[*mask >> 4] << 1));
+ /* Lower 4 bits of bitmap */
+ PM3_WRITE_DAC_REG(par, pos++,
+ cursor_bits_lookup[data & 0xf] |
+ (cursor_bits_lookup[*mask & 0xf] << 1));
+ bitmap++;
+ mask++;
+ }
+ for (; k > 0; k--) {
+ PM3_WRITE_DAC_REG(par, pos++, 0);
+ PM3_WRITE_DAC_REG(par, pos++, 0);
+ }
+ }
+ while (pos < PM3RD_CursorPattern(1024))
+ PM3_WRITE_DAC_REG(par, pos++, 0);
+ }
+ return 0;
+}
+
/* write the mode to registers */
static void pm3fb_write_mode(struct fb_info *info)
{
struct pm3_par *par = info->par;
- char tempsync = 0x00, tempmisc = 0x00;
+ char tempsync = 0x00;
+ char tempmisc = 0x00;
const u32 hsstart = info->var.right_margin;
const u32 hsend = hsstart + info->var.hsync_len;
const u32 hbend = hsend + info->var.left_margin;
if (bpp != var->bits_per_pixel) {
/* set predefined mode for bits_per_pixel settings */
- switch(var->bits_per_pixel) {
+ switch (var->bits_per_pixel) {
case 8:
- var->red.length = var->green.length = var->blue.length = 8;
- var->red.offset = var->green.offset = var->blue.offset = 0;
+ var->red.length = 8;
+ var->green.length = 8;
+ var->blue.length = 8;
+ var->red.offset = 0;
+ var->green.offset = 0;
+ var->blue.offset = 0;
var->transp.offset = 0;
var->transp.length = 0;
break;
case 16:
- var->red.length = var->blue.length = 5;
+ var->red.length = 5;
+ var->blue.length = 5;
var->green.length = 6;
var->transp.length = 0;
break;
case 32:
- var->red.length = var->green.length = var->blue.length = 8;
+ var->red.length = 8;
+ var->green.length = 8;
+ var->blue.length = 8;
var->transp.length = 8;
break;
default:
- DPRINTK("depth not supported: %u\n", var->bits_per_pixel);
+ DPRINTK("depth not supported: %u\n",
+ var->bits_per_pixel);
return -EINVAL;
}
}
/* it is assumed BGRA order */
- if (var->bits_per_pixel > 8 )
- {
+ if (var->bits_per_pixel > 8 ) {
var->blue.offset = 0;
var->green.offset = var->blue.length;
var->red.offset = var->green.offset + var->green.length;
var->transp.offset = var->red.offset + var->red.length;
}
- var->height = var->width = -1;
+ var->height = -1;
+ var->width = -1;
if (var->xres != var->xres_virtual) {
- DPRINTK("virtual x resolution != physical x resolution not supported\n");
+ DPRINTK("virtual x resolution != "
+ "physical x resolution not supported\n");
return -EINVAL;
}
if (var->yres > var->yres_virtual) {
- DPRINTK("virtual y resolution < physical y resolution not possible\n");
+ DPRINTK("virtual y resolution < "
+ "physical y resolution not possible\n");
return -EINVAL;
}
}
if (PICOS2KHZ(var->pixclock) > PM3_MAX_PIXCLOCK) {
- DPRINTK("pixclock too high (%ldKHz)\n", PICOS2KHZ(var->pixclock));
+ DPRINTK("pixclock too high (%ldKHz)\n",
+ PICOS2KHZ(var->pixclock));
return -EINVAL;
}
const u32 xres = (info->var.xres + 31) & ~31;
const unsigned bpp = info->var.bits_per_pixel;
- par->base = pm3fb_shift_bpp(bpp,(info->var.yoffset * xres)
+ par->base = pm3fb_shift_bpp(bpp, (info->var.yoffset * xres)
+ info->var.xoffset);
par->video = 0;
return -EINVAL;
/* grayscale works only partially under directcolor */
- if (info->var.grayscale) {
- /* grayscale = 0.30*R + 0.59*G + 0.11*B */
+ /* grayscale = 0.30*R + 0.59*G + 0.11*B */
+ if (info->var.grayscale)
red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
- }
/* Directcolor:
* var->{color}.offset contains start of bitfield
*
* Pseudocolor:
* var->{color}.offset is 0
- * var->{color}.length contains width of DAC or the number of unique
- * colors available (color depth)
+ * var->{color}.length contains width of DAC or the number
+ * of unique colors available (color depth)
* pseudo_palette is not used
* RAMDAC[X] is programmed to (red, green, blue)
* color depth = var->{color}.length
* This is the point where the color is converted to something that
* is acceptable by the hardware.
*/
-#define CNVT_TOHW(val,width) ((((val)<<(width))+0x7FFF-(val))>>16)
+#define CNVT_TOHW(val, width) ((((val) << (width)) + 0x7FFF - (val)) >> 16)
red = CNVT_TOHW(red, info->var.red.length);
green = CNVT_TOHW(green, info->var.green.length);
blue = CNVT_TOHW(blue, info->var.blue.length);
break;
case 16:
case 32:
- ((u32*)(info->pseudo_palette))[regno] = v;
+ ((u32 *)(info->pseudo_palette))[regno] = v;
break;
}
return 0;
- }
- else if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR)
+ } else if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR)
pm3fb_set_color(par, regno, red, green, blue);
return 0;
}
PM3_WAIT(par, 1);
- PM3_WRITE_REG(par,PM3VideoControl, video);
+ PM3_WRITE_REG(par, PM3VideoControl, video);
return 0;
}
.fb_imageblit = pm3fb_imageblit,
.fb_blank = pm3fb_blank,
.fb_sync = pm3fb_sync,
+ .fb_cursor = pm3fb_cursor,
};
/* ------------------------------------------------------------------------- */
/* mmio register are already mapped when this function is called */
/* the pm3fb_fix.smem_start is also set */
-static unsigned long pm3fb_size_memory(struct pm3_par *par)
+static unsigned long __devinit pm3fb_size_memory(struct pm3_par *par)
{
- unsigned long memsize = 0, tempBypass, i, temp1, temp2;
+ unsigned long memsize = 0;
+ unsigned long tempBypass, i, temp1, temp2;
unsigned char __iomem *screen_mem;
pm3fb_fix.smem_len = 64 * 1024l * 1024; /* request full aperture size */
PM3_WAIT(par, 1);
PM3_WRITE_REG(par, PM3MemBypassWriteMask, 0xFFFFFFFF);
- /* pm3 split up memory, replicates, and do a lot of nasty stuff IMHO ;-) */
+ /* pm3 split up memory, replicates, and do a lot of
+ * nasty stuff IMHO ;-)
+ */
for (i = 0; i < 32; i++) {
fb_writel(i * 0x00345678,
(screen_mem + (i * 1048576)));
{
struct fb_info *info;
struct pm3_par *par;
- struct device* device = &dev->dev; /* for pci drivers */
- int err, retval = -ENXIO;
+ struct device *device = &dev->dev; /* for pci drivers */
+ int err;
+ int retval = -ENXIO;
err = pci_enable_device(dev);
if (err) {
/* Linear frame buffer - request region and map it. */
pm3fb_fix.smem_start = pci_resource_start(dev, 1);
pm3fb_fix.smem_len = pm3fb_size_memory(par);
- if (!pm3fb_fix.smem_len)
- {
+ if (!pm3fb_fix.smem_len) {
printk(KERN_WARNING "pm3fb: Can't find memory on board.\n");
goto err_exit_mmio;
}
}
info->screen_size = pm3fb_fix.smem_len;
+#ifdef CONFIG_MTRR
+ if (!nomtrr)
+ par->mtrr_handle = mtrr_add(pm3fb_fix.smem_start,
+ pm3fb_fix.smem_len,
+ MTRR_TYPE_WRCOMB, 1);
+#endif
info->fbops = &pm3fb_ops;
par->video = PM3_READ_REG(par, PM3VideoControl);
FBINFO_HWACCEL_IMAGEBLIT |
FBINFO_HWACCEL_FILLRECT;
+ if (noaccel) {
+ printk(KERN_DEBUG "disabling acceleration\n");
+ info->flags |= FBINFO_HWACCEL_DISABLED;
+ }
info->pixmap.addr = kmalloc(PM3_PIXMAP_SIZE, GFP_KERNEL);
if (!info->pixmap.addr) {
retval = -ENOMEM;
unregister_framebuffer(info);
fb_dealloc_cmap(&info->cmap);
+#ifdef CONFIG_MTRR
+ if (par->mtrr_handle >= 0)
+ mtrr_del(par->mtrr_handle, info->fix.smem_start,
+ info->fix.smem_len);
+#endif /* CONFIG_MTRR */
iounmap(info->screen_base);
release_mem_region(fix->smem_start, fix->smem_len);
iounmap(par->v_regs);
MODULE_DEVICE_TABLE(pci, pm3fb_id_table);
+#ifndef MODULE
+ /*
+ * Setup
+ */
+
+/*
+ * Only necessary if your driver takes special options,
+ * otherwise we fall back on the generic fb_setup().
+ */
+static int __init pm3fb_setup(char *options)
+{
+ char *this_opt;
+
+ /* Parse user speficied options (`video=pm3fb:') */
+ if (!options || !*options)
+ return 0;
+
+ while ((this_opt = strsep(&options, ",")) != NULL) {
+ if (!*this_opt)
+ continue;
+ else if (!strncmp(this_opt, "noaccel", 7))
+ noaccel = 1;
+ else if (!strncmp(this_opt, "hwcursor=", 9))
+ hwcursor = simple_strtoul(this_opt + 9, NULL, 0);
+#ifdef CONFIG_MTRR
+ else if (!strncmp(this_opt, "nomtrr", 6))
+ nomtrr = 1;
+#endif
+ else
+ mode_option = this_opt;
+ }
+ return 0;
+}
+#endif /* MODULE */
+
static int __init pm3fb_init(void)
{
+ /*
+ * For kernel boot options (in 'video=pm3fb:<options>' format)
+ */
#ifndef MODULE
- if (fb_get_options("pm3fb", NULL))
+ char *option = NULL;
+
+ if (fb_get_options("pm3fb", &option))
return -ENODEV;
+ pm3fb_setup(option);
#endif
+
return pci_register_driver(&pm3fb_driver);
}
+#ifdef MODULE
static void __exit pm3fb_exit(void)
{
pci_unregister_driver(&pm3fb_driver);
}
-module_init(pm3fb_init);
module_exit(pm3fb_exit);
+#endif
+module_init(pm3fb_init);
+
+module_param(mode_option, charp, 0);
+MODULE_PARM_DESC(mode_option, "Initial video mode e.g. '648x480-8@60'");
+module_param(noaccel, bool, 0);
+MODULE_PARM_DESC(noaccel, "Disable acceleration");
+module_param(hwcursor, int, 0644);
+MODULE_PARM_DESC(hwcursor, "Enable hardware cursor "
+ "(1=enable, 0=disable, default=1)");
+#ifdef CONFIG_MTRR
+module_param(nomtrr, bool, 0);
+MODULE_PARM_DESC(nomtrr, "Disable MTRR support (0 or 1=disabled) (default=0)");
+#endif
MODULE_DESCRIPTION("Permedia3 framebuffer device driver");
MODULE_LICENSE("GPL");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff