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path: root/drivers/video/tridentfb.c
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Diffstat (limited to 'drivers/video/tridentfb.c')
-rw-r--r--drivers/video/tridentfb.c135
1 files changed, 123 insertions, 12 deletions
diff --git a/drivers/video/tridentfb.c b/drivers/video/tridentfb.c
index ed1b32a1cef5..9b87c08e517d 100644
--- a/drivers/video/tridentfb.c
+++ b/drivers/video/tridentfb.c
@@ -492,6 +492,95 @@ static void image_copy_rect(struct tridentfb_par *par,
}
/*
+ * TGUI 9440/96XX acceleration
+ */
+
+static void tgui_init_accel(struct tridentfb_par *par, int pitch, int bpp)
+{
+ unsigned char x = 0;
+
+ /* disable clipping */
+ writemmr(par, 0x2148, 0);
+ writemmr(par, 0x214C, point(4095, 2047));
+
+ switch (bpp) {
+ case 8:
+ x = 0;
+ break;
+ case 16:
+ x = 1;
+ break;
+ case 24:
+ x = 3;
+ break;
+ case 32:
+ x = 2;
+ break;
+ }
+
+ switch ((pitch * bpp) / 8) {
+ case 8192:
+ case 512:
+ x |= 0x00;
+ break;
+ case 1024:
+ x |= 0x04;
+ break;
+ case 2048:
+ x |= 0x08;
+ break;
+ case 4096:
+ x |= 0x0C;
+ break;
+ }
+
+ fb_writew(x, par->io_virt + 0x2122);
+}
+
+static void tgui_fill_rect(struct tridentfb_par *par,
+ u32 x, u32 y, u32 w, u32 h, u32 c, u32 rop)
+{
+ t_outb(par, ROP_P, 0x2127);
+ writemmr(par, 0x212c, c);
+ writemmr(par, 0x2128, 0x4020);
+ writemmr(par, 0x2140, point(w - 1, h - 1));
+ writemmr(par, 0x2138, point(x, y));
+ t_outb(par, 1, 0x2124);
+}
+
+static void tgui_copy_rect(struct tridentfb_par *par,
+ u32 x1, u32 y1, u32 x2, u32 y2, u32 w, u32 h)
+{
+ int flags = 0;
+ u16 x1_tmp, x2_tmp, y1_tmp, y2_tmp;
+
+ if ((x1 < x2) && (y1 == y2)) {
+ flags |= 0x0200;
+ x1_tmp = x1 + w - 1;
+ x2_tmp = x2 + w - 1;
+ } else {
+ x1_tmp = x1;
+ x2_tmp = x2;
+ }
+
+ if (y1 < y2) {
+ flags |= 0x0100;
+ y1_tmp = y1 + h - 1;
+ y2_tmp = y2 + h - 1;
+ } else {
+ y1_tmp = y1;
+ y2_tmp = y2;
+ }
+
+ writemmr(par, 0x2128, 0x4 | flags);
+ t_outb(par, ROP_S, 0x2127);
+ writemmr(par, 0x213C, point(x1_tmp, y1_tmp));
+ writemmr(par, 0x2138, point(x2_tmp, y2_tmp));
+ writemmr(par, 0x2140, point(w - 1, h - 1));
+ t_outb(par, 1, 0x2124);
+}
+
+/*
* Accel functions called by the upper layers
*/
#ifdef CONFIG_FB_TRIDENT_ACCEL
@@ -530,12 +619,8 @@ static void tridentfb_copyarea(struct fb_info *info,
ca->width, ca->height);
par->wait_engine(par);
}
-#else /* !CONFIG_FB_TRIDENT_ACCEL */
-#define tridentfb_fillrect cfb_fillrect
-#define tridentfb_copyarea cfb_copyarea
#endif /* CONFIG_FB_TRIDENT_ACCEL */
-
/*
* Hardware access functions
*/
@@ -829,6 +914,7 @@ static int tridentfb_check_var(struct fb_var_screeninfo *var,
{
struct tridentfb_par *par = info->par;
int bpp = var->bits_per_pixel;
+ int line_length;
int ramdac = 230000; /* 230MHz for most 3D chips */
debug("enter\n");
@@ -844,9 +930,27 @@ static int tridentfb_check_var(struct fb_var_screeninfo *var,
var->xres = (var->xres + 7) & ~0x7;
if (var->xres != var->xres_virtual)
var->xres_virtual = var->xres;
+ line_length = var->xres_virtual * bpp / 8;
+#ifdef CONFIG_FB_TRIDENT_ACCEL
+ if (!is3Dchip(par->chip_id)) {
+ /* acceleration requires line length to be power of 2 */
+ if (line_length <= 512)
+ var->xres_virtual = 512 * 8 / bpp;
+ else if (line_length <= 1024)
+ var->xres_virtual = 1024 * 8 / bpp;
+ else if (line_length <= 2048)
+ var->xres_virtual = 2048 * 8 / bpp;
+ else if (line_length <= 4096)
+ var->xres_virtual = 4096 * 8 / bpp;
+ else if (line_length <= 8192)
+ var->xres_virtual = 8192 * 8 / bpp;
+
+ line_length = var->xres_virtual * bpp / 8;
+ }
+#endif
if (var->yres > var->yres_virtual)
var->yres_virtual = var->yres;
- if (var->xres * var->yres_virtual * bpp / 8 > info->fix.smem_len)
+ if (line_length * var->yres_virtual > info->fix.smem_len)
return -EINVAL;
switch (bpp) {
@@ -918,7 +1022,7 @@ static int tridentfb_pan_display(struct fb_var_screeninfo *var,
unsigned int offset;
debug("enter\n");
- offset = (var->xoffset + (var->yoffset * var->xres))
+ offset = (var->xoffset + (var->yoffset * var->xres_virtual))
* var->bits_per_pixel / 32;
info->var.xoffset = var->xoffset;
info->var.yoffset = var->yoffset;
@@ -1049,7 +1153,7 @@ static int tridentfb_set_par(struct fb_info *info)
write3X4(par, GraphEngReg, 0x80);
#ifdef CONFIG_FB_TRIDENT_ACCEL
- par->init_accel(par, info->var.xres, bpp);
+ par->init_accel(par, info->var.xres_virtual, bpp);
#endif
switch (bpp) {
@@ -1147,9 +1251,9 @@ static int tridentfb_set_par(struct fb_info *info)
if (par->flatpanel)
set_number_of_lines(par, info->var.yres);
- set_lwidth(par, info->var.xres * bpp / (4 * 16));
+ info->fix.line_length = info->var.xres_virtual * bpp / 8;
+ set_lwidth(par, info->fix.line_length / 8);
info->fix.visual = (bpp == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
- info->fix.line_length = info->var.xres * (bpp >> 3);
info->cmap.len = (bpp == 8) ? 256 : 16;
debug("exit\n");
return 0;
@@ -1248,9 +1352,11 @@ static struct fb_ops tridentfb_ops = {
.fb_blank = tridentfb_blank,
.fb_check_var = tridentfb_check_var,
.fb_set_par = tridentfb_set_par,
+#ifdef CONFIG_FB_TRIDENT_ACCEL
.fb_fillrect = tridentfb_fillrect,
.fb_copyarea = tridentfb_copyarea,
.fb_imageblit = cfb_imageblit,
+#endif
};
static int __devinit trident_pci_probe(struct pci_dev *dev,
@@ -1328,11 +1434,16 @@ static int __devinit trident_pci_probe(struct pci_dev *dev,
default_par->wait_engine = blade_wait_engine;
default_par->fill_rect = blade_fill_rect;
default_par->copy_rect = blade_copy_rect;
- } else {
+ } else if (chip3D) { /* 3DImage family left */
default_par->init_accel = image_init_accel;
default_par->wait_engine = image_wait_engine;
default_par->fill_rect = image_fill_rect;
default_par->copy_rect = image_copy_rect;
+ } else { /* TGUI 9440/96XX family */
+ default_par->init_accel = tgui_init_accel;
+ default_par->wait_engine = xp_wait_engine;
+ default_par->fill_rect = tgui_fill_rect;
+ default_par->copy_rect = tgui_copy_rect;
}
default_par->chip_id = chip_id;
@@ -1359,12 +1470,12 @@ static int __devinit trident_pci_probe(struct pci_dev *dev,
goto out_unmap1;
}
+ enable_mmio();
+
/* setup framebuffer memory */
tridentfb_fix.smem_start = pci_resource_start(dev, 0);
tridentfb_fix.smem_len = get_memsize(default_par);
- enable_mmio();
-
if (!request_mem_region(tridentfb_fix.smem_start, tridentfb_fix.smem_len, "tridentfb")) {
debug("request_mem_region failed!\n");
disable_mmio(info->par);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-08 19:35:55 +0000