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-rw-r--r--drivers/video/tdfxfb.c1255
1 files changed, 650 insertions, 605 deletions
diff --git a/drivers/video/tdfxfb.c b/drivers/video/tdfxfb.c
index 689ce0270b8..057bdd59380 100644
--- a/drivers/video/tdfxfb.c
+++ b/drivers/video/tdfxfb.c
@@ -4,13 +4,13 @@
*
* Author: Hannu Mallat <hmallat@cc.hut.fi>
*
- * Copyright © 1999 Hannu Mallat
+ * Copyright © 1999 Hannu Mallat
* All rights reserved
*
* Created : Thu Sep 23 18:17:43 1999, hmallat
* Last modified: Tue Nov 2 21:19:47 1999, hmallat
*
- * Lots of the information here comes from the Daryll Strauss' Banshee
+ * Lots of the information here comes from the Daryll Strauss' Banshee
* patches to the XF86 server, and the rest comes from the 3dfx
* Banshee specification. I'm very much indebted to Daryll for his
* work on the X server.
@@ -23,7 +23,7 @@
* behave very differently from the Voodoo3/4/5. For anyone wanting to
* use frame buffer on the Voodoo1/2, see the sstfb driver (which is
* located at http://www.sourceforge.net/projects/sstfb).
- *
+ *
* While I _am_ grateful to 3Dfx for releasing the specs for Banshee,
* I do wish the next version is a bit more complete. Without the XF86
* patches I couldn't have gotten even this far... for instance, the
@@ -33,9 +33,8 @@
*
* The structure of this driver comes pretty much from the Permedia
* driver by Ilario Nardinocchi, which in turn is based on skeletonfb.
- *
+ *
* TODO:
- * - support for 16/32 bpp needs fixing (funky bootup penguin)
* - multihead support (basically need to support an array of fb_infos)
* - support other architectures (PPC, Alpha); does the fact that the VGA
* core can be accessed only thru I/O (not memory mapped) complicate
@@ -43,18 +42,18 @@
*
* Version history:
*
- * 0.1.4 (released 2002-05-28) ported over to new fbdev api by James Simmons
+ * 0.1.4 (released 2002-05-28) ported over to new fbdev api by James Simmons
*
- * 0.1.3 (released 1999-11-02) added Attila's panning support, code
- * reorg, hwcursor address page size alignment
- * (for mmaping both frame buffer and regs),
- * and my changes to get rid of hardcoded
- * VGA i/o register locations (uses PCI
- * configuration info now)
- * 0.1.2 (released 1999-10-19) added Attila Kesmarki's bug fixes and
- * improvements
- * 0.1.1 (released 1999-10-07) added Voodoo3 support by Harold Oga.
- * 0.1.0 (released 1999-10-06) initial version
+ * 0.1.3 (released 1999-11-02) added Attila's panning support, code
+ * reorg, hwcursor address page size alignment
+ * (for mmaping both frame buffer and regs),
+ * and my changes to get rid of hardcoded
+ * VGA i/o register locations (uses PCI
+ * configuration info now)
+ * 0.1.2 (released 1999-10-19) added Attila Kesmarki's bug fixes and
+ * improvements
+ * 0.1.1 (released 1999-10-07) added Voodoo3 support by Harold Oga.
+ * 0.1.0 (released 1999-10-06) initial version
*
*/
@@ -64,24 +63,32 @@
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/pci.h>
-#include <linux/nvram.h>
#include <asm/io.h>
-#include <linux/timer.h>
-#include <linux/spinlock.h>
#include <video/tdfx.h>
-#undef TDFXFB_DEBUG
-#ifdef TDFXFB_DEBUG
-#define DPRINTK(a,b...) printk(KERN_DEBUG "fb: %s: " a, __FUNCTION__ , ## b)
+#define DPRINTK(a, b...) pr_debug("fb: %s: " a, __FUNCTION__ , ## b)
+
+#ifdef CONFIG_MTRR
+#include <asm/mtrr.h>
#else
-#define DPRINTK(a,b...)
-#endif
+/* duplicate asm/mtrr.h defines to work on archs without mtrr */
+#define MTRR_TYPE_WRCOMB 1
+
+static inline int mtrr_add(unsigned long base, unsigned long size,
+ unsigned int type, char increment)
+{
+ return -ENODEV;
+}
+static inline int mtrr_del(int reg, unsigned long base,
+ unsigned long size)
+{
+ return -ENODEV;
+}
+#endif
#define BANSHEE_MAX_PIXCLOCK 270000
#define VOODOO3_MAX_PIXCLOCK 300000
@@ -90,9 +97,9 @@
static struct fb_fix_screeninfo tdfx_fix __devinitdata = {
.id = "3Dfx",
.type = FB_TYPE_PACKED_PIXELS,
- .visual = FB_VISUAL_PSEUDOCOLOR,
+ .visual = FB_VISUAL_PSEUDOCOLOR,
.ypanstep = 1,
- .ywrapstep = 1,
+ .ywrapstep = 1,
.accel = FB_ACCEL_3DFX_BANSHEE
};
@@ -102,7 +109,7 @@ static struct fb_var_screeninfo tdfx_var __devinitdata = {
.yres = 480,
.xres_virtual = 640,
.yres_virtual = 1024,
- .bits_per_pixel =8,
+ .bits_per_pixel = 8,
.red = {0, 8, 0},
.blue = {0, 8, 0},
.green = {0, 8, 0},
@@ -142,103 +149,79 @@ static struct pci_device_id tdfxfb_id_table[] = {
static struct pci_driver tdfxfb_driver = {
.name = "tdfxfb",
- .id_table = tdfxfb_id_table,
- .probe = tdfxfb_probe,
- .remove = __devexit_p(tdfxfb_remove),
+ .id_table = tdfxfb_id_table,
+ .probe = tdfxfb_probe,
+ .remove = __devexit_p(tdfxfb_remove),
};
MODULE_DEVICE_TABLE(pci, tdfxfb_id_table);
/*
- * Frame buffer device API
+ * Driver data
*/
-static int tdfxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *fb);
-static int tdfxfb_set_par(struct fb_info *info);
-static int tdfxfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
- u_int transp, struct fb_info *info);
-static int tdfxfb_blank(int blank, struct fb_info *info);
-static int tdfxfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info);
-static int banshee_wait_idle(struct fb_info *info);
-#ifdef CONFIG_FB_3DFX_ACCEL
-static void tdfxfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
-static void tdfxfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
-static void tdfxfb_imageblit(struct fb_info *info, const struct fb_image *image);
-#endif /* CONFIG_FB_3DFX_ACCEL */
-
-static struct fb_ops tdfxfb_ops = {
- .owner = THIS_MODULE,
- .fb_check_var = tdfxfb_check_var,
- .fb_set_par = tdfxfb_set_par,
- .fb_setcolreg = tdfxfb_setcolreg,
- .fb_blank = tdfxfb_blank,
- .fb_pan_display = tdfxfb_pan_display,
- .fb_sync = banshee_wait_idle,
-#ifdef CONFIG_FB_3DFX_ACCEL
- .fb_fillrect = tdfxfb_fillrect,
- .fb_copyarea = tdfxfb_copyarea,
- .fb_imageblit = tdfxfb_imageblit,
-#else
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cfb_imageblit,
-#endif
-};
-
-/*
- * do_xxx: Hardware-specific functions
- */
-static u32 do_calc_pll(int freq, int *freq_out);
-static void do_write_regs(struct fb_info *info, struct banshee_reg *reg);
-static unsigned long do_lfb_size(struct tdfx_par *par, unsigned short);
-
-/*
- * Driver data
- */
-static int nopan = 0;
-static int nowrap = 1; // not implemented (yet)
-static char *mode_option __devinitdata = NULL;
-
-/* -------------------------------------------------------------------------
- * Hardware-specific funcions
+static int nopan;
+static int nowrap = 1; /* not implemented (yet) */
+static int hwcursor = 1;
+static char *mode_option __devinitdata;
+/* mtrr option */
+static int nomtrr __devinitdata;
+
+/* -------------------------------------------------------------------------
+ * Hardware-specific funcions
* ------------------------------------------------------------------------- */
-#ifdef VGA_REG_IO
-static inline u8 vga_inb(struct tdfx_par *par, u32 reg) { return inb(reg); }
-
-static inline void vga_outb(struct tdfx_par *par, u32 reg, u8 val) { outb(val, reg); }
-#else
-static inline u8 vga_inb(struct tdfx_par *par, u32 reg) {
- return inb(par->iobase + reg - 0x300);
+static inline u8 vga_inb(struct tdfx_par *par, u32 reg)
+{
+ return inb(par->iobase + reg - 0x300);
}
-static inline void vga_outb(struct tdfx_par *par, u32 reg, u8 val) {
- outb(val, par->iobase + reg - 0x300);
+
+static inline void vga_outb(struct tdfx_par *par, u32 reg, u8 val)
+{
+ outb(val, par->iobase + reg - 0x300);
}
-#endif
-static inline void gra_outb(struct tdfx_par *par, u32 idx, u8 val) {
- vga_outb(par, GRA_I, idx); vga_outb(par, GRA_D, val);
+static inline void gra_outb(struct tdfx_par *par, u32 idx, u8 val)
+{
+ vga_outb(par, GRA_I, idx);
+ wmb();
+ vga_outb(par, GRA_D, val);
+ wmb();
}
-static inline void seq_outb(struct tdfx_par *par, u32 idx, u8 val) {
- vga_outb(par, SEQ_I, idx); vga_outb(par, SEQ_D, val);
+static inline void seq_outb(struct tdfx_par *par, u32 idx, u8 val)
+{
+ vga_outb(par, SEQ_I, idx);
+ wmb();
+ vga_outb(par, SEQ_D, val);
+ wmb();
}
-static inline u8 seq_inb(struct tdfx_par *par, u32 idx) {
- vga_outb(par, SEQ_I, idx); return vga_inb(par, SEQ_D);
+static inline u8 seq_inb(struct tdfx_par *par, u32 idx)
+{
+ vga_outb(par, SEQ_I, idx);
+ mb();
+ return vga_inb(par, SEQ_D);
}
-static inline void crt_outb(struct tdfx_par *par, u32 idx, u8 val) {
- vga_outb(par, CRT_I, idx); vga_outb(par, CRT_D, val);
+static inline void crt_outb(struct tdfx_par *par, u32 idx, u8 val)
+{
+ vga_outb(par, CRT_I, idx);
+ wmb();
+ vga_outb(par, CRT_D, val);
+ wmb();
}
-static inline u8 crt_inb(struct tdfx_par *par, u32 idx) {
- vga_outb(par, CRT_I, idx); return vga_inb(par, CRT_D);
+static inline u8 crt_inb(struct tdfx_par *par, u32 idx)
+{
+ vga_outb(par, CRT_I, idx);
+ mb();
+ return vga_inb(par, CRT_D);
}
-static inline void att_outb(struct tdfx_par *par, u32 idx, u8 val)
+static inline void att_outb(struct tdfx_par *par, u32 idx, u8 val)
{
unsigned char tmp;
-
+
tmp = vga_inb(par, IS1_R);
vga_outb(par, ATT_IW, idx);
vga_outb(par, ATT_IW, val);
@@ -267,10 +250,11 @@ static inline void vga_enable_video(struct tdfx_par *par)
static inline void vga_enable_palette(struct tdfx_par *par)
{
vga_inb(par, IS1_R);
+ mb();
vga_outb(par, ATT_IW, 0x20);
}
-static inline u32 tdfx_inl(struct tdfx_par *par, unsigned int reg)
+static inline u32 tdfx_inl(struct tdfx_par *par, unsigned int reg)
{
return readl(par->regbase_virt + reg);
}
@@ -284,9 +268,10 @@ static inline void banshee_make_room(struct tdfx_par *par, int size)
{
/* Note: The Voodoo3's onboard FIFO has 32 slots. This loop
* won't quit if you ask for more. */
- while((tdfx_inl(par, STATUS) & 0x1f) < size-1);
+ while ((tdfx_inl(par, STATUS) & 0x1f) < size - 1)
+ cpu_relax();
}
-
+
static int banshee_wait_idle(struct fb_info *info)
{
struct tdfx_par *par = info->par;
@@ -295,28 +280,31 @@ static int banshee_wait_idle(struct fb_info *info)
banshee_make_room(par, 1);
tdfx_outl(par, COMMAND_3D, COMMAND_3D_NOP);
- while(1) {
- i = (tdfx_inl(par, STATUS) & STATUS_BUSY) ? 0 : i + 1;
- if(i == 3) break;
- }
+ do {
+ if ((tdfx_inl(par, STATUS) & STATUS_BUSY) == 0)
+ i++;
+ } while (i < 3);
+
return 0;
}
/*
- * Set the color of a palette entry in 8bpp mode
+ * Set the color of a palette entry in 8bpp mode
*/
static inline void do_setpalentry(struct tdfx_par *par, unsigned regno, u32 c)
-{
+{
banshee_make_room(par, 2);
tdfx_outl(par, DACADDR, regno);
+ /* read after write makes it working */
+ tdfx_inl(par, DACADDR);
tdfx_outl(par, DACDATA, c);
}
-static u32 do_calc_pll(int freq, int* freq_out)
+static u32 do_calc_pll(int freq, int *freq_out)
{
int m, n, k, best_m, best_n, best_k, best_error;
int fref = 14318;
-
+
best_error = freq;
best_n = best_m = best_k = 0;
@@ -326,27 +314,28 @@ static u32 do_calc_pll(int freq, int* freq_out)
* Estimate value of n that produces target frequency
* with current m and k
*/
- int n_estimated = (freq * (m + 2) * (1 << k) / fref) - 2;
+ int n_estimated = ((freq * (m + 2) << k) / fref) - 2;
/* Search neighborhood of estimated n */
- for (n = max(0, n_estimated - 1);
- n <= min(255, n_estimated + 1); n++) {
+ for (n = max(0, n_estimated);
+ n <= min(255, n_estimated + 1);
+ n++) {
/*
* Calculate PLL freqency with current m, k and
* estimated n
*/
- int f = fref * (n + 2) / (m + 2) / (1 << k);
- int error = abs (f - freq);
+ int f = (fref * (n + 2) / (m + 2)) >> k;
+ int error = abs(f - freq);
/*
- * If this is the closest we've come to the
+ * If this is the closest we've come to the
* target frequency then remember n, m and k
*/
- if (error < best_error) {
+ if (error < best_error) {
best_error = error;
- best_n = n;
- best_m = m;
- best_k = k;
+ best_n = n;
+ best_m = m;
+ best_k = k;
}
}
}
@@ -355,12 +344,12 @@ static u32 do_calc_pll(int freq, int* freq_out)
n = best_n;
m = best_m;
k = best_k;
- *freq_out = fref*(n + 2)/(m + 2)/(1 << k);
+ *freq_out = (fref * (n + 2) / (m + 2)) >> k;
return (n << 8) | (m << 2) | k;
}
-static void do_write_regs(struct fb_info *info, struct banshee_reg* reg)
+static void do_write_regs(struct fb_info *info, struct banshee_reg *reg)
{
struct tdfx_par *par = info->par;
int i;
@@ -372,13 +361,13 @@ static void do_write_regs(struct fb_info *info, struct banshee_reg* reg)
crt_outb(par, 0x11, crt_inb(par, 0x11) & 0x7f); /* CRT unprotect */
banshee_make_room(par, 3);
- tdfx_outl(par, VGAINIT1, reg->vgainit1 & 0x001FFFFF);
- tdfx_outl(par, VIDPROCCFG, reg->vidcfg & ~0x00000001);
+ tdfx_outl(par, VGAINIT1, reg->vgainit1 & 0x001FFFFF);
+ tdfx_outl(par, VIDPROCCFG, reg->vidcfg & ~0x00000001);
#if 0
tdfx_outl(par, PLLCTRL1, reg->mempll);
tdfx_outl(par, PLLCTRL2, reg->gfxpll);
#endif
- tdfx_outl(par, PLLCTRL0, reg->vidpll);
+ tdfx_outl(par, PLLCTRL0, reg->vidpll);
vga_outb(par, MISC_W, reg->misc[0x00] | 0x01);
@@ -400,72 +389,65 @@ static void do_write_regs(struct fb_info *info, struct banshee_reg* reg)
vga_enable_palette(par);
vga_enable_video(par);
- banshee_make_room(par, 11);
- tdfx_outl(par, VGAINIT0, reg->vgainit0);
- tdfx_outl(par, DACMODE, reg->dacmode);
- tdfx_outl(par, VIDDESKSTRIDE, reg->stride);
- tdfx_outl(par, HWCURPATADDR, 0);
-
- tdfx_outl(par, VIDSCREENSIZE,reg->screensize);
- tdfx_outl(par, VIDDESKSTART, reg->startaddr);
- tdfx_outl(par, VIDPROCCFG, reg->vidcfg);
- tdfx_outl(par, VGAINIT1, reg->vgainit1);
- tdfx_outl(par, MISCINIT0, reg->miscinit0);
-
- banshee_make_room(par, 8);
- tdfx_outl(par, SRCBASE, reg->srcbase);
- tdfx_outl(par, DSTBASE, reg->dstbase);
- tdfx_outl(par, COMMANDEXTRA_2D, 0);
- tdfx_outl(par, CLIP0MIN, 0);
- tdfx_outl(par, CLIP0MAX, 0x0fff0fff);
- tdfx_outl(par, CLIP1MIN, 0);
- tdfx_outl(par, CLIP1MAX, 0x0fff0fff);
- tdfx_outl(par, SRCXY, 0);
+ banshee_make_room(par, 9);
+ tdfx_outl(par, VGAINIT0, reg->vgainit0);
+ tdfx_outl(par, DACMODE, reg->dacmode);
+ tdfx_outl(par, VIDDESKSTRIDE, reg->stride);
+ tdfx_outl(par, HWCURPATADDR, reg->curspataddr);
+
+ tdfx_outl(par, VIDSCREENSIZE, reg->screensize);
+ tdfx_outl(par, VIDDESKSTART, reg->startaddr);
+ tdfx_outl(par, VIDPROCCFG, reg->vidcfg);
+ tdfx_outl(par, VGAINIT1, reg->vgainit1);
+ tdfx_outl(par, MISCINIT0, reg->miscinit0);
+
+ banshee_make_room(par, 8);
+ tdfx_outl(par, SRCBASE, reg->startaddr);
+ tdfx_outl(par, DSTBASE, reg->startaddr);
+ tdfx_outl(par, COMMANDEXTRA_2D, 0);
+ tdfx_outl(par, CLIP0MIN, 0);
+ tdfx_outl(par, CLIP0MAX, 0x0fff0fff);
+ tdfx_outl(par, CLIP1MIN, 0);
+ tdfx_outl(par, CLIP1MAX, 0x0fff0fff);
+ tdfx_outl(par, SRCXY, 0);
banshee_wait_idle(info);
}
-static unsigned long do_lfb_size(struct tdfx_par *par, unsigned short dev_id)
+static unsigned long do_lfb_size(struct tdfx_par *par, unsigned short dev_id)
{
- u32 draminit0;
- u32 draminit1;
+ u32 draminit0 = tdfx_inl(par, DRAMINIT0);
+ u32 draminit1 = tdfx_inl(par, DRAMINIT1);
u32 miscinit1;
-
- int num_chips;
+ int num_chips = (draminit0 & DRAMINIT0_SGRAM_NUM) ? 8 : 4;
int chip_size; /* in MB */
- u32 lfbsize;
- int has_sgram;
+ int has_sgram = draminit1 & DRAMINIT1_MEM_SDRAM;
- draminit0 = tdfx_inl(par, DRAMINIT0);
- draminit1 = tdfx_inl(par, DRAMINIT1);
-
- num_chips = (draminit0 & DRAMINIT0_SGRAM_NUM) ? 8 : 4;
-
if (dev_id < PCI_DEVICE_ID_3DFX_VOODOO5) {
/* Banshee/Voodoo3 */
- has_sgram = draminit1 & DRAMINIT1_MEM_SDRAM;
- chip_size = has_sgram ? ((draminit0 & DRAMINIT0_SGRAM_TYPE) ? 2 : 1)
- : 2;
+ chip_size = 2;
+ if (has_sgram && (draminit0 & DRAMINIT0_SGRAM_TYPE))
+ chip_size = 1;
} else {
/* Voodoo4/5 */
has_sgram = 0;
- chip_size = 1 << ((draminit0 & DRAMINIT0_SGRAM_TYPE_MASK) >> DRAMINIT0_SGRAM_TYPE_SHIFT);
+ chip_size = draminit0 & DRAMINIT0_SGRAM_TYPE_MASK;
+ chip_size = 1 << (chip_size >> DRAMINIT0_SGRAM_TYPE_SHIFT);
}
- lfbsize = num_chips * chip_size * 1024 * 1024;
/* disable block writes for SDRAM */
miscinit1 = tdfx_inl(par, MISCINIT1);
miscinit1 |= has_sgram ? 0 : MISCINIT1_2DBLOCK_DIS;
miscinit1 |= MISCINIT1_CLUT_INV;
- banshee_make_room(par, 1);
+ banshee_make_room(par, 1);
tdfx_outl(par, MISCINIT1, miscinit1);
- return lfbsize;
+ return num_chips * chip_size * 1024l * 1024;
}
/* ------------------------------------------------------------------------- */
-static int tdfxfb_check_var(struct fb_var_screeninfo *var,struct fb_info *info)
+static int tdfxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
struct tdfx_par *par = info->par;
u32 lpitch;
@@ -486,103 +468,113 @@ static int tdfxfb_check_var(struct fb_var_screeninfo *var,struct fb_info *info)
DPRINTK("xoffset not supported\n");
return -EINVAL;
}
+ var->yoffset = 0;
- /* Banshee doesn't support interlace, but Voodoo4/5 and probably Voodoo3 do. */
- /* no direct information about device id now? use max_pixclock for this... */
+ /*
+ * Banshee doesn't support interlace, but Voodoo4/5 and probably
+ * Voodoo3 do.
+ * no direct information about device id now?
+ * use max_pixclock for this...
+ */
if (((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) &&
- (par->max_pixclock < VOODOO3_MAX_PIXCLOCK)) {
+ (par->max_pixclock < VOODOO3_MAX_PIXCLOCK)) {
DPRINTK("interlace not supported\n");
return -EINVAL;
}
var->xres = (var->xres + 15) & ~15; /* could sometimes be 8 */
- lpitch = var->xres * ((var->bits_per_pixel + 7)>>3);
-
+ lpitch = var->xres * ((var->bits_per_pixel + 7) >> 3);
+
if (var->xres < 320 || var->xres > 2048) {
DPRINTK("width not supported: %u\n", var->xres);
return -EINVAL;
}
-
+
if (var->yres < 200 || var->yres > 2048) {
DPRINTK("height not supported: %u\n", var->yres);
return -EINVAL;
}
-
+
if (lpitch * var->yres_virtual > info->fix.smem_len) {
- var->yres_virtual = info->fix.smem_len/lpitch;
+ var->yres_virtual = info->fix.smem_len / lpitch;
if (var->yres_virtual < var->yres) {
DPRINTK("no memory for screen (%ux%ux%u)\n",
- var->xres, var->yres_virtual, var->bits_per_pixel);
+ var->xres, var->yres_virtual,
+ var->bits_per_pixel);
return -EINVAL;
}
}
-
+
if (PICOS2KHZ(var->pixclock) > par->max_pixclock) {
- DPRINTK("pixclock too high (%ldKHz)\n",PICOS2KHZ(var->pixclock));
+ DPRINTK("pixclock too high (%ldKHz)\n",
+ PICOS2KHZ(var->pixclock));
return -EINVAL;
}
- switch(var->bits_per_pixel) {
- case 8:
- var->red.length = var->green.length = var->blue.length = 8;
- break;
- case 16:
- var->red.offset = 11;
- var->red.length = 5;
- var->green.offset = 5;
- var->green.length = 6;
- var->blue.offset = 0;
- var->blue.length = 5;
- break;
- case 24:
- var->red.offset=16;
- var->green.offset=8;
- var->blue.offset=0;
- var->red.length = var->green.length = var->blue.length = 8;
- case 32:
- var->red.offset = 16;
- var->green.offset = 8;
- var->blue.offset = 0;
- var->red.length = var->green.length = var->blue.length = 8;
- break;
+ var->transp.offset = 0;
+ var->transp.length = 0;
+ switch (var->bits_per_pixel) {
+ case 8:
+ var->red.length = 8;
+ var->red.offset = 0;
+ var->green = var->red;
+ var->blue = var->red;
+ break;
+ case 16:
+ var->red.offset = 11;
+ var->red.length = 5;
+ var->green.offset = 5;
+ var->green.length = 6;
+ var->blue.offset = 0;
+ var->blue.length = 5;
+ break;
+ case 32:
+ var->transp.offset = 24;
+ var->transp.length = 8;
+ case 24:
+ var->red.offset = 16;
+ var->green.offset = 8;
+ var->blue.offset = 0;
+ var->red.length = var->green.length = var->blue.length = 8;
+ break;
}
- var->height = var->width = -1;
-
+ var->width = -1;
+ var->height = -1;
+
var->accel_flags = FB_ACCELF_TEXT;
-
- DPRINTK("Checking graphics mode at %dx%d depth %d\n", var->xres, var->yres, var->bits_per_pixel);
+
+ DPRINTK("Checking graphics mode at %dx%d depth %d\n",
+ var->xres, var->yres, var->bits_per_pixel);
return 0;
}
static int tdfxfb_set_par(struct fb_info *info)
{
struct tdfx_par *par = info->par;
- u32 hdispend, hsyncsta, hsyncend, htotal;
+ u32 hdispend = info->var.xres;
+ u32 hsyncsta = hdispend + info->var.right_margin;
+ u32 hsyncend = hsyncsta + info->var.hsync_len;
+ u32 htotal = hsyncend + info->var.left_margin;
u32 hd, hs, he, ht, hbs, hbe;
u32 vd, vs, ve, vt, vbs, vbe;
struct banshee_reg reg;
int fout, freq;
- u32 wd, cpp;
-
- par->baseline = 0;
-
+ u32 wd;
+ u32 cpp = (info->var.bits_per_pixel + 7) >> 3;
+
memset(&reg, 0, sizeof(reg));
- cpp = (info->var.bits_per_pixel + 7)/8;
-
- reg.vidcfg = VIDCFG_VIDPROC_ENABLE | VIDCFG_DESK_ENABLE | VIDCFG_CURS_X11 | ((cpp - 1) << VIDCFG_PIXFMT_SHIFT) | (cpp != 1 ? VIDCFG_CLUT_BYPASS : 0);
+
+ reg.vidcfg = VIDCFG_VIDPROC_ENABLE | VIDCFG_DESK_ENABLE |
+ VIDCFG_CURS_X11 |
+ ((cpp - 1) << VIDCFG_PIXFMT_SHIFT) |
+ (cpp != 1 ? VIDCFG_CLUT_BYPASS : 0);
/* PLL settings */
freq = PICOS2KHZ(info->var.pixclock);
- reg.dacmode = 0;
- reg.vidcfg &= ~VIDCFG_2X;
-
- hdispend = info->var.xres;
- hsyncsta = hdispend + info->var.right_margin;
- hsyncend = hsyncsta + info->var.hsync_len;
- htotal = hsyncend + info->var.left_margin;
+ reg.vidcfg &= ~VIDCFG_2X;
- if (freq > par->max_pixclock/2) {
+ if (freq > par->max_pixclock / 2) {
freq = freq > par->max_pixclock ? par->max_pixclock : freq;
reg.dacmode |= DACMODE_2X;
reg.vidcfg |= VIDCFG_2X;
@@ -591,8 +583,9 @@ static int tdfxfb_set_par(struct fb_info *info)
hsyncend >>= 1;
htotal >>= 1;
}
-
- hd = wd = (hdispend >> 3) - 1;
+
+ wd = (hdispend >> 3) - 1;
+ hd = wd;
hs = (hsyncsta >> 3) - 1;
he = (hsyncend >> 3) - 1;
ht = (htotal >> 3) - 1;
@@ -600,28 +593,30 @@ static int tdfxfb_set_par(struct fb_info *info)
hbe = ht;
if ((info->var.vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
- vbs = vd = (info->var.yres << 1) - 1;
+ vd = (info->var.yres << 1) - 1;
vs = vd + (info->var.lower_margin << 1);
ve = vs + (info->var.vsync_len << 1);
- vbe = vt = ve + (info->var.upper_margin << 1) - 1;
+ vt = ve + (info->var.upper_margin << 1) - 1;
+ reg.screensize = info->var.xres | (info->var.yres << 13);
+ reg.vidcfg |= VIDCFG_HALF_MODE;
+ reg.crt[0x09] = 0x80;
} else {
- vbs = vd = info->var.yres - 1;
+ vd = info->var.yres - 1;
vs = vd + info->var.lower_margin;
ve = vs + info->var.vsync_len;
- vbe = vt = ve + info->var.upper_margin - 1;
+ vt = ve + info->var.upper_margin - 1;
+ reg.screensize = info->var.xres | (info->var.yres << 12);
+ reg.vidcfg &= ~VIDCFG_HALF_MODE;
}
-
+ vbs = vd;
+ vbe = vt;
+
/* this is all pretty standard VGA register stuffing */
- reg.misc[0x00] = 0x0f |
+ reg.misc[0x00] = 0x0f |
(info->var.xres < 400 ? 0xa0 :
info->var.xres < 480 ? 0x60 :
info->var.xres < 768 ? 0xe0 : 0x20);
-
- reg.gra[0x00] = 0x00;
- reg.gra[0x01] = 0x00;
- reg.gra[0x02] = 0x00;
- reg.gra[0x03] = 0x00;
- reg.gra[0x04] = 0x00;
+
reg.gra[0x05] = 0x40;
reg.gra[0x06] = 0x05;
reg.gra[0x07] = 0x0f;
@@ -644,10 +639,7 @@ static int tdfxfb_set_par(struct fb_info *info)
reg.att[0x0e] = 0x0e;
reg.att[0x0f] = 0x0f;
reg.att[0x10] = 0x41;
- reg.att[0x11] = 0x00;
reg.att[0x12] = 0x0f;
- reg.att[0x13] = 0x00;
- reg.att[0x14] = 0x00;
reg.seq[0x00] = 0x03;
reg.seq[0x01] = 0x01; /* fixme: clkdiv2? */
@@ -660,146 +652,133 @@ static int tdfxfb_set_par(struct fb_info *info)
reg.crt[0x02] = hbs;
reg.crt[0x03] = 0x80 | (hbe & 0x1f);
reg.crt[0x04] = hs;
- reg.crt[0x05] = ((hbe & 0x20) << 2) | (he & 0x1f);
+ reg.crt[0x05] = ((hbe & 0x20) << 2) | (he & 0x1f);
reg.crt[0x06] = vt;
reg.crt[0x07] = ((vs & 0x200) >> 2) |
((vd & 0x200) >> 3) |
((vt & 0x200) >> 4) | 0x10 |
((vbs & 0x100) >> 5) |
- ((vs & 0x100) >> 6) |
- ((vd & 0x100) >> 7) |
- ((vt & 0x100) >> 8);
- reg.crt[0x08] = 0x00;
- reg.crt[0x09] = 0x40 | ((vbs & 0x200) >> 4);
- reg.crt[0x0a] = 0x00;
- reg.crt[0x0b] = 0x00;
- reg.crt[0x0c] = 0x00;
- reg.crt[0x0d] = 0x00;
- reg.crt[0x0e] = 0x00;
- reg.crt[0x0f] = 0x00;
+ ((vs & 0x100) >> 6) |
+ ((vd & 0x100) >> 7) |
+ ((vt & 0x100) >> 8);
+ reg.crt[0x09] |= 0x40 | ((vbs & 0x200) >> 4);
reg.crt[0x10] = vs;
- reg.crt[0x11] = (ve & 0x0f) | 0x20;
+ reg.crt[0x11] = (ve & 0x0f) | 0x20;
reg.crt[0x12] = vd;
reg.crt[0x13] = wd;
- reg.crt[0x14] = 0x00;
reg.crt[0x15] = vbs;
- reg.crt[0x16] = vbe + 1;
+ reg.crt[0x16] = vbe + 1;
reg.crt[0x17] = 0xc3;
reg.crt[0x18] = 0xff;
-
+
/* Banshee's nonvga stuff */
- reg.ext[0x00] = (((ht & 0x100) >> 8) |
- ((hd & 0x100) >> 6) |
+ reg.ext[0x00] = (((ht & 0x100) >> 8) |
+ ((hd & 0x100) >> 6) |
((hbs & 0x100) >> 4) |
- ((hbe & 0x40) >> 1) |
- ((hs & 0x100) >> 2) |
- ((he & 0x20) << 2));
- reg.ext[0x01] = (((vt & 0x400) >> 10) |
- ((vd & 0x400) >> 8) |
- ((vbs & 0x400) >> 6) |
- ((vbe & 0x400) >> 4));
-
- reg.vgainit0 = VGAINIT0_8BIT_DAC |
+ ((hbe & 0x40) >> 1) |
+ ((hs & 0x100) >> 2) |
+ ((he & 0x20) << 2));
+ reg.ext[0x01] = (((vt & 0x400) >> 10) |
+ ((vd & 0x400) >> 8) |
+ ((vbs & 0x400) >> 6) |
+ ((vbe & 0x400) >> 4));
+
+ reg.vgainit0 = VGAINIT0_8BIT_DAC |
VGAINIT0_EXT_ENABLE |
VGAINIT0_WAKEUP_3C3 |
VGAINIT0_ALT_READBACK |
VGAINIT0_EXTSHIFTOUT;
reg.vgainit1 = tdfx_inl(par, VGAINIT1) & 0x1fffff;
+ if (hwcursor)
+ reg.curspataddr = info->fix.smem_len;
+
reg.cursloc = 0;
-
- reg.cursc0 = 0;
+
+ reg.cursc0 = 0;
reg.cursc1 = 0xffffff;
-
- reg.stride = info->var.xres * cpp;
- reg.startaddr = par->baseline * reg.stride;
- reg.srcbase = reg.startaddr;
- reg.dstbase = reg.startaddr;
- /* PLL settings */
- freq = PICOS2KHZ(info->var.pixclock);
+ reg.stride = info->var.xres * cpp;
+ reg.startaddr = info->var.yoffset * reg.stride
+ + info->var.xoffset * cpp;
- reg.dacmode &= ~DACMODE_2X;
- reg.vidcfg &= ~VIDCFG_2X;
- if (freq > par->max_pixclock/2) {
- freq = freq > par->max_pixclock ? par->max_pixclock : freq;
- reg.dacmode |= DACMODE_2X;
- reg.vidcfg |= VIDCFG_2X;
- }
reg.vidpll = do_calc_pll(freq, &fout);
#if 0
reg.mempll = do_calc_pll(..., &fout);
reg.gfxpll = do_calc_pll(..., &fout);
#endif
- if ((info->var.vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
- reg.screensize = info->var.xres | (info->var.yres << 13);
- reg.vidcfg |= VIDCFG_HALF_MODE;
- reg.crt[0x09] |= 0x80;
- } else {
- reg.screensize = info->var.xres | (info->var.yres << 12);
- reg.vidcfg &= ~VIDCFG_HALF_MODE;
- }
if ((info->var.vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED)
reg.vidcfg |= VIDCFG_INTERLACE;
reg.miscinit0 = tdfx_inl(par, MISCINIT0);
#if defined(__BIG_ENDIAN)
switch (info->var.bits_per_pixel) {
- case 8:
- case 24:
- reg.miscinit0 &= ~(1 << 30);
- reg.miscinit0 &= ~(1 << 31);
- break;
- case 16:
- reg.miscinit0 |= (1 << 30);
- reg.miscinit0 |= (1 << 31);
- break;
- case 32:
- reg.miscinit0 |= (1 << 30);
- reg.miscinit0 &= ~(1 << 31);
- break;
+ case 8:
+ case 24:
+ reg.miscinit0 &= ~(1 << 30);
+ reg.miscinit0 &= ~(1 << 31);
+ break;
+ case 16:
+ reg.miscinit0 |= (1 << 30);
+ reg.miscinit0 |= (1 << 31);
+ break;
+ case 32:
+ reg.miscinit0 |= (1 << 30);
+ reg.miscinit0 &= ~(1 << 31);
+ break;
}
-#endif
+#endif
do_write_regs(info, &reg);
/* Now change fb_fix_screeninfo according to changes in par */
- info->fix.line_length = info->var.xres * ((info->var.bits_per_pixel + 7)>>3);
- info->fix.visual = (info->var.bits_per_pixel == 8)
+ info->fix.line_length = reg.stride;
+ info->fix.visual = (info->var.bits_per_pixel == 8)
? FB_VISUAL_PSEUDOCOLOR
: FB_VISUAL_TRUECOLOR;
- DPRINTK("Graphics mode is now set at %dx%d depth %d\n", info->var.xres, info->var.yres, info->var.bits_per_pixel);
- return 0;
+ DPRINTK("Graphics mode is now set at %dx%d depth %d\n",
+ info->var.xres, info->var.yres, info->var.bits_per_pixel);
+ return 0;
}
/* A handy macro shamelessly pinched from matroxfb */
-#define CNVT_TOHW(val,width) ((((val)<<(width))+0x7FFF-(val))>>16)
+#define CNVT_TOHW(val, width) ((((val) << (width)) + 0x7FFF - (val)) >> 16)
-static int tdfxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
- unsigned blue,unsigned transp,struct fb_info *info)
+static int tdfxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
+ unsigned blue, unsigned transp,
+ struct fb_info *info)
{
struct tdfx_par *par = info->par;
u32 rgbcol;
-
- if (regno >= info->cmap.len || regno > 255) return 1;
-
+
+ if (regno >= info->cmap.len || regno > 255)
+ return 1;
+
+ /* grayscale works only partially under directcolor */
+ if (info->var.grayscale) {
+ /* grayscale = 0.30*R + 0.59*G + 0.11*B */
+ blue = (red * 77 + green * 151 + blue * 28) >> 8;
+ green = blue;
+ red = blue;
+ }
+
switch (info->fix.visual) {
case FB_VISUAL_PSEUDOCOLOR:
- rgbcol =(((u32)red & 0xff00) << 8) |
- (((u32)green & 0xff00) << 0) |
- (((u32)blue & 0xff00) >> 8);
+ rgbcol = (((u32)red & 0xff00) << 8) |
+ (((u32)green & 0xff00) << 0) |
+ (((u32)blue & 0xff00) >> 8);
do_setpalentry(par, regno, rgbcol);
break;
/* Truecolor has no hardware color palettes. */
case FB_VISUAL_TRUECOLOR:
if (regno < 16) {
- rgbcol = (CNVT_TOHW( red, info->var.red.length) <<
+ rgbcol = (CNVT_TOHW(red, info->var.red.length) <<
info->var.red.offset) |
- (CNVT_TOHW( green, info->var.green.length) <<
+ (CNVT_TOHW(green, info->var.green.length) <<
info->var.green.offset) |
- (CNVT_TOHW( blue, info->var.blue.length) <<
+ (CNVT_TOHW(blue, info->var.blue.length) <<
info->var.blue.offset) |
- (CNVT_TOHW( transp, info->var.transp.length) <<
+ (CNVT_TOHW(transp, info->var.transp.length) <<
info->var.transp.offset);
par->palette[regno] = rgbcol;
}
@@ -815,287 +794,325 @@ static int tdfxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
/* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
static int tdfxfb_blank(int blank, struct fb_info *info)
-{
+{
struct tdfx_par *par = info->par;
- u32 dacmode, state = 0, vgablank = 0;
+ int vgablank = 1;
+ u32 dacmode = tdfx_inl(par, DACMODE);
- dacmode = tdfx_inl(par, DACMODE);
+ dacmode &= ~(BIT(1) | BIT(3));
switch (blank) {
- case FB_BLANK_UNBLANK: /* Screen: On; HSync: On, VSync: On */
- state = 0;
- vgablank = 0;
- break;
- case FB_BLANK_NORMAL: /* Screen: Off; HSync: On, VSync: On */
- state = 0;
- vgablank = 1;
- break;
- case FB_BLANK_VSYNC_SUSPEND: /* Screen: Off; HSync: On, VSync: Off */
- state = BIT(3);
- vgablank = 1;
- break;
- case FB_BLANK_HSYNC_SUSPEND: /* Screen: Off; HSync: Off, VSync: On */
- state = BIT(1);
- vgablank = 1;
- break;
- case FB_BLANK_POWERDOWN: /* Screen: Off; HSync: Off, VSync: Off */
- state = BIT(1) | BIT(3);
- vgablank = 1;
- break;
+ case FB_BLANK_UNBLANK: /* Screen: On; HSync: On, VSync: On */
+ vgablank = 0;
+ break;
+ case FB_BLANK_NORMAL: /* Screen: Off; HSync: On, VSync: On */
+ break;
+ case FB_BLANK_VSYNC_SUSPEND: /* Screen: Off; HSync: On, VSync: Off */
+ dacmode |= BIT(3);
+ break;
+ case FB_BLANK_HSYNC_SUSPEND: /* Screen: Off; HSync: Off, VSync: On */
+ dacmode |= BIT(1);
+ break;
+ case FB_BLANK_POWERDOWN: /* Screen: Off; HSync: Off, VSync: Off */
+ dacmode |= BIT(1) | BIT(3);
+ break;
}
- dacmode &= ~(BIT(1) | BIT(3));
- dacmode |= state;
- banshee_make_room(par, 1);
+ banshee_make_room(par, 1);
tdfx_outl(par, DACMODE, dacmode);
- if (vgablank)
+ if (vgablank)
vga_disable_video(par);
else
vga_enable_video(par);
return 0;
}
-/*
+/*
* Set the starting position of the visible screen to var->yoffset
- */
+ */
static int tdfxfb_pan_display(struct fb_var_screeninfo *var,
- struct fb_info *info)
+ struct fb_info *info)
{
struct tdfx_par *par = info->par;
- u32 addr;
+ u32 addr = var->yoffset * info->fix.line_length;
if (nopan || var->xoffset || (var->yoffset > var->yres_virtual))
return -EINVAL;
if ((var->yoffset + var->yres > var->yres_virtual && nowrap))
return -EINVAL;
- addr = var->yoffset * info->fix.line_length;
banshee_make_room(par, 1);
tdfx_outl(par, VIDDESKSTART, addr);
-
+
info->var.xoffset = var->xoffset;
- info->var.yoffset = var->yoffset;
+ info->var.yoffset = var->yoffset;
return 0;
}
#ifdef CONFIG_FB_3DFX_ACCEL
/*
- * FillRect 2D command (solidfill or invert (via ROP_XOR))
+ * FillRect 2D command (solidfill or invert (via ROP_XOR))
*/
-static void tdfxfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
+static void tdfxfb_fillrect(struct fb_info *info,
+ const struct fb_fillrect *rect)
{
struct tdfx_par *par = info->par;
u32 bpp = info->var.bits_per_pixel;
u32 stride = info->fix.line_length;
- u32 fmt= stride | ((bpp+((bpp==8) ? 0 : 8)) << 13);
+ u32 fmt = stride | ((bpp + ((bpp == 8) ? 0 : 8)) << 13);
int tdfx_rop;
-
- if (rect->rop == ROP_COPY)
+ u32 dx = rect->dx;
+ u32 dy = rect->dy;
+ u32 dstbase = 0;
+
+ if (rect->rop == ROP_COPY)
tdfx_rop = TDFX_ROP_COPY;
- else
+ else
tdfx_rop = TDFX_ROP_XOR;
- banshee_make_room(par, 5);
- tdfx_outl(par, DSTFORMAT, fmt);
+ /* asume always rect->height < 4096 */
+ if (dy + rect->height > 4095) {
+ dstbase = stride * dy;
+ dy = 0;
+ }
+ /* asume always rect->width < 4096 */
+ if (dx + rect->width > 4095) {
+ dstbase += dx * bpp >> 3;
+ dx = 0;
+ }
+ banshee_make_room(par, 6);
+ tdfx_outl(par, DSTFORMAT, fmt);
if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
- tdfx_outl(par, COLORFORE, rect->color);
+ tdfx_outl(par, COLORFORE, rect->color);
} else { /* FB_VISUAL_TRUECOLOR */
tdfx_outl(par, COLORFORE, par->palette[rect->color]);
}
- tdfx_outl(par, COMMAND_2D, COMMAND_2D_FILLRECT | (tdfx_rop << 24));
- tdfx_outl(par, DSTSIZE, rect->width | (rect->height << 16));
- tdfx_outl(par, LAUNCH_2D, rect->dx | (rect->dy << 16));
+ tdfx_outl(par, COMMAND_2D, COMMAND_2D_FILLRECT | (tdfx_rop << 24));
+ tdfx_outl(par, DSTBASE, dstbase);
+ tdfx_outl(par, DSTSIZE, rect->width | (rect->height << 16));
+ tdfx_outl(par, LAUNCH_2D, dx | (dy << 16));
}
/*
- * Screen-to-Screen BitBlt 2D command (for the bmove fb op.)
+ * Screen-to-Screen BitBlt 2D command (for the bmove fb op.)
*/
-static void tdfxfb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
+static void tdfxfb_copyarea(struct fb_info *info,
+ const struct fb_copyarea *area)
{
struct tdfx_par *par = info->par;
- u32 sx = area->sx, sy = area->sy, dx = area->dx, dy = area->dy;
+ u32 sx = area->sx, sy = area->sy, dx = area->dx, dy = area->dy;
u32 bpp = info->var.bits_per_pixel;
u32 stride = info->fix.line_length;
u32 blitcmd = COMMAND_2D_S2S_BITBLT | (TDFX_ROP_COPY << 24);
- u32 fmt = stride | ((bpp+((bpp==8) ? 0 : 8)) << 13);
-
+ u32 fmt = stride | ((bpp + ((bpp == 8) ? 0 : 8)) << 13);
+ u32 dstbase = 0;
+ u32 srcbase = 0;
+
+ /* asume always area->height < 4096 */
+ if (sy + area->height > 4095) {
+ srcbase = stride * sy;
+ sy = 0;
+ }
+ /* asume always area->width < 4096 */
+ if (sx + area->width > 4095) {
+ srcbase += sx * bpp >> 3;
+ sx = 0;
+ }
+ /* asume always area->height < 4096 */
+ if (dy + area->height > 4095) {
+ dstbase = stride * dy;
+ dy = 0;
+ }
+ /* asume always area->width < 4096 */
+ if (dx + area->width > 4095) {
+ dstbase += dx * bpp >> 3;
+ dx = 0;
+ }
+
if (area->sx <= area->dx) {
- //-X
+ /* -X */
blitcmd |= BIT(14);
sx += area->width - 1;
dx += area->width - 1;
}
if (area->sy <= area->dy) {
- //-Y
+ /* -Y */
blitcmd |= BIT(15);
sy += area->height - 1;
dy += area->height - 1;
}
-
- banshee_make_room(par, 6);
- tdfx_outl(par, SRCFORMAT, fmt);
- tdfx_outl(par, DSTFORMAT, fmt);
- tdfx_outl(par, COMMAND_2D, blitcmd);
- tdfx_outl(par, DSTSIZE, area->width | (area->height << 16));
- tdfx_outl(par, DSTXY, dx | (dy << 16));
- tdfx_outl(par, LAUNCH_2D, sx | (sy << 16));
+ banshee_make_room(par, 8);
+
+ tdfx_outl(par, SRCFORMAT, fmt);
+ tdfx_outl(par, DSTFORMAT, fmt);
+ tdfx_outl(par, COMMAND_2D, blitcmd);
+ tdfx_outl(par, DSTSIZE, area->width | (area->height << 16));
+ tdfx_outl(par, DSTXY, dx | (dy << 16));
+ tdfx_outl(par, SRCBASE, srcbase);
+ tdfx_outl(par, DSTBASE, dstbase);
+ tdfx_outl(par, LAUNCH_2D, sx | (sy << 16));
}
-static void tdfxfb_imageblit(struct fb_info *info, const struct fb_image *image)
+static void tdfxfb_imageblit(struct fb_info *info, const struct fb_image *image)
{
struct tdfx_par *par = info->par;
- int size = image->height * ((image->width * image->depth + 7)>>3);
+ int size = image->height * ((image->width * image->depth + 7) >> 3);
int fifo_free;
int i, stride = info->fix.line_length;
u32 bpp = info->var.bits_per_pixel;
- u32 dstfmt = stride | ((bpp+((bpp==8) ? 0 : 8)) << 13);
+ u32 dstfmt = stride | ((bpp + ((bpp == 8) ? 0 : 8)) << 13);
u8 *chardata = (u8 *) image->data;
u32 srcfmt;
+ u32 dx = image->dx;
+ u32 dy = image->dy;
+ u32 dstbase = 0;
if (image->depth != 1) {
- //banshee_make_room(par, 6 + ((size + 3) >> 2));
- //srcfmt = stride | ((bpp+((bpp==8) ? 0 : 8)) << 13) | 0x400000;
+#ifdef BROKEN_CODE
+ banshee_make_room(par, 6 + ((size + 3) >> 2));
+ srcfmt = stride | ((bpp + ((bpp == 8) ? 0 : 8)) << 13) |
+ 0x400000;
+#else
cfb_imageblit(info, image);
+#endif
return;
- } else {
- banshee_make_room(par, 8);
- switch (info->fix.visual) {
- case FB_VISUAL_PSEUDOCOLOR:
+ }
+ banshee_make_room(par, 9);
+ switch (info->fix.visual) {
+ case FB_VISUAL_PSEUDOCOLOR:
tdfx_outl(par, COLORFORE, image->fg_color);
tdfx_outl(par, COLORBACK, image->bg_color);
- break;
- case FB_VISUAL_TRUECOLOR:
- default:
- tdfx_outl(par, COLORFORE,
- par->palette[image->fg_color]);
- tdfx_outl(par, COLORBACK,
- par->palette[image->bg_color]);
- }
+ break;
+ case FB_VISUAL_TRUECOLOR:
+ default:
+ tdfx_outl(par, COLORFORE,
+ par->palette[image->fg_color]);
+ tdfx_outl(par, COLORBACK,
+ par->palette[image->bg_color]);
+ }
#ifdef __BIG_ENDIAN
- srcfmt = 0x400000 | BIT(20);
+ srcfmt = 0x400000 | BIT(20);
#else
- srcfmt = 0x400000;
+ srcfmt = 0x400000;
#endif
- }
+ /* asume always image->height < 4096 */
+ if (dy + image->height > 4095) {
+ dstbase = stride * dy;
+ dy = 0;
+ }
+ /* asume always image->width < 4096 */
+ if (dx + image->width > 4095) {
+ dstbase += dx * bpp >> 3;
+ dx = 0;
+ }
- tdfx_outl(par, SRCXY, 0);
- tdfx_outl(par, DSTXY, image->dx | (image->dy << 16));
- tdfx_outl(par, COMMAND_2D, COMMAND_2D_H2S_BITBLT | (TDFX_ROP_COPY << 24));
- tdfx_outl(par, SRCFORMAT, srcfmt);
- tdfx_outl(par, DSTFORMAT, dstfmt);
- tdfx_outl(par, DSTSIZE, image->width | (image->height << 16));
+ tdfx_outl(par, DSTBASE, dstbase);
+ tdfx_outl(par, SRCXY, 0);
+ tdfx_outl(par, DSTXY, dx | (dy << 16));
+ tdfx_outl(par, COMMAND_2D,
+ COMMAND_2D_H2S_BITBLT | (TDFX_ROP_COPY << 24));
+ tdfx_outl(par, SRCFORMAT, srcfmt);
+ tdfx_outl(par, DSTFORMAT, dstfmt);
+ tdfx_outl(par, DSTSIZE, image->width | (image->height << 16));
/* A count of how many free FIFO entries we've requested.
* When this goes negative, we need to request more. */
fifo_free = 0;
- /* Send four bytes at a time of data */
- for (i = (size >> 2) ; i > 0; i--) {
- if(--fifo_free < 0) {
- fifo_free=31;
- banshee_make_room(par,fifo_free);
+ /* Send four bytes at a time of data */
+ for (i = (size >> 2); i > 0; i--) {
+ if (--fifo_free < 0) {
+ fifo_free = 31;
+ banshee_make_room(par, fifo_free);
}
- tdfx_outl(par, LAUNCH_2D,*(u32*)chardata);
- chardata += 4;
- }
-
- /* Send the leftovers now */
- banshee_make_room(par,3);
- i = size%4;
- switch (i) {
- case 0: break;
- case 1: tdfx_outl(par, LAUNCH_2D,*chardata); break;
- case 2: tdfx_outl(par, LAUNCH_2D,*(u16*)chardata); break;
- case 3: tdfx_outl(par, LAUNCH_2D,*(u16*)chardata | ((chardata[3]) << 24)); break;
+ tdfx_outl(par, LAUNCH_2D, *(u32 *)chardata);
+ chardata += 4;
+ }
+
+ /* Send the leftovers now */
+ banshee_make_room(par, 3);
+ switch (size % 4) {
+ case 0:
+ break;
+ case 1:
+ tdfx_outl(par, LAUNCH_2D, *chardata);
+ break;
+ case 2:
+ tdfx_outl(par, LAUNCH_2D, *(u16 *)chardata);
+ break;
+ case 3:
+ tdfx_outl(par, LAUNCH_2D,
+ *(u16 *)chardata | (chardata[3] << 24));
+ break;
}
}
#endif /* CONFIG_FB_3DFX_ACCEL */
-#ifdef TDFX_HARDWARE_CURSOR
static int tdfxfb_cursor(struct fb_info *info, struct fb_cursor *cursor)
{
struct tdfx_par *par = info->par;
- unsigned long flags;
+ u32 vidcfg;
- /*
- * 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 (!hwcursor)
+ return -EINVAL; /* just to force soft_cursor() call */
- /* Too large of a cursor :-( */
- if (cursor->image.width > 64 || cursor->image.height > 64)
- return -ENXIO;
+ /* Too large of a cursor or wrong bpp :-( */
+ if (cursor->image.width > 64 ||
+ cursor->image.height > 64 ||
+ cursor->image.depth > 1)
+ return -EINVAL;
- /*
- * If we are going to be changing things we should disable
- * the cursor first
- */
- if (info->cursor.enable) {
- spin_lock_irqsave(&par->DAClock, flags);
- info->cursor.enable = 0;
- del_timer(&(par->hwcursor.timer));
- tdfx_outl(par, VIDPROCCFG, par->hwcursor.disable);
- spin_unlock_irqrestore(&par->DAClock, flags);
- }
+ vidcfg = tdfx_inl(par, VIDPROCCFG);
+ if (cursor->enable)
+ tdfx_outl(par, VIDPROCCFG, vidcfg | VIDCFG_HWCURSOR_ENABLE);
+ else
+ tdfx_outl(par, VIDPROCCFG, vidcfg & ~VIDCFG_HWCURSOR_ENABLE);
- /* Disable the Cursor */
- if ((cursor->set && FB_CUR_SETCUR) && !cursor->enable)
+ /*
+ * 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;
/* fix cursor color - XFree86 forgets to restore it properly */
- if (cursor->set && FB_CUR_SETCMAP) {
- struct fb_cmap cmap = cursor->image.cmap;
+ if (cursor->set & FB_CUR_SETCMAP) {
+ struct fb_cmap cmap = info->cmap;
+ u32 bg_idx = cursor->image.bg_color;
+ u32 fg_idx = cursor->image.fg_color;
unsigned long bg_color, fg_color;
- cmap.len = 2; /* Voodoo 3+ only support 2 color cursors */
- fg_color = ((cmap.red[cmap.start] << 16) |
- (cmap.green[cmap.start] << 8) |
- (cmap.blue[cmap.start]));
- bg_color = ((cmap.red[cmap.start+1] << 16) |
- (cmap.green[cmap.start+1] << 8) |
- (cmap.blue[cmap.start+1]));
- fb_copy_cmap(&cmap, &info->cursor.image.cmap);
- spin_lock_irqsave(&par->DAClock, flags);
+ fg_color = (((u32)cmap.red[fg_idx] & 0xff00) << 8) |
+ (((u32)cmap.green[fg_idx] & 0xff00) << 0) |
+ (((u32)cmap.blue[fg_idx] & 0xff00) >> 8);
+ bg_color = (((u32)cmap.red[bg_idx] & 0xff00) << 8) |
+ (((u32)cmap.green[bg_idx] & 0xff00) << 0) |
+ (((u32)cmap.blue[bg_idx] & 0xff00) >> 8);
banshee_make_room(par, 2);
tdfx_outl(par, HWCURC0, bg_color);
tdfx_outl(par, HWCURC1, fg_color);
- spin_unlock_irqrestore(&par->DAClock, flags);
}
- if (cursor->set && FB_CUR_SETPOS) {
- int x, y;
+ if (cursor->set & FB_CUR_SETPOS) {
+ int x = cursor->image.dx;
+ int y = cursor->image.dy - info->var.yoffset;
- x = cursor->image.dx;
- y = cursor->image.dy;
- y -= info->var.yoffset;
- info->cursor.image.dx = x;
- info->cursor.image.dy = y;
x += 63;
y += 63;
- spin_lock_irqsave(&par->DAClock, flags);
banshee_make_room(par, 1);
tdfx_outl(par, HWCURLOC, (y << 16) + x);
- spin_unlock_irqrestore(&par->DAClock, flags);
}
-
- /* Not supported so we fake it */
- if (cursor->set && FB_CUR_SETHOT) {
- info->cursor.hot.x = cursor->hot.x;
- info->cursor.hot.y = cursor->hot.y;
- }
-
- if (cursor->set && FB_CUR_SETSHAPE) {
+ if (cursor->set & (FB_CUR_SETIMAGE | FB_CUR_SETSHAPE)) {
/*
- * Voodoo 3 and above cards use 2 monochrome cursor patterns.
+ * Voodoo 3 and above cards use 2 monochrome cursor patterns.
* The reason is so the card can fetch 8 words at a time
* and are stored on chip for use for the next 8 scanlines.
* This reduces the number of times for access to draw the
* cursor for each screen refresh.
* Each pattern is a bitmap of 64 bit wide and 64 bit high
- * (total of 8192 bits or 1024 Kbytes). The two patterns are
+ * (total of 8192 bits or 1024 bytes). The two patterns are
* stored in such a way that pattern 0 always resides in the
* lower half (least significant 64 bits) of a 128 bit word
* and pattern 1 the upper half. If you examine the data of
@@ -1106,50 +1123,54 @@ static int tdfxfb_cursor(struct fb_info *info, struct fb_cursor *cursor)
* (128 bits) which is the maximum cursor width times two for
* the two monochrome patterns.
*/
- u8 *cursorbase = (u8 *) info->cursor.image.data;
- char *bitmap = (char *)cursor->image.data;
- char *mask = (char *) cursor->mask;
- int i, j, k, h = 0;
-
- for (i = 0; i < 64; i++) {
- if (i < cursor->image.height) {
- j = (cursor->image.width + 7) >> 3;
- k = 8 - j;
-
- for (;j > 0; j--) {
- /* Pattern 0. Copy the cursor bitmap to it */
- fb_writeb(*bitmap, cursorbase + h);
- bitmap++;
- /* Pattern 1. Copy the cursor mask to it */
- fb_writeb(*mask, cursorbase + h + 8);
- mask++;
- h++;
- }
- for (;k > 0; k--) {
- fb_writeb(0, cursorbase + h);
- fb_writeb(~0, cursorbase + h + 8);
- h++;
- }
- } else {
- fb_writel(0, cursorbase + h);
- fb_writel(0, cursorbase + h + 4);
- fb_writel(~0, cursorbase + h + 8);
- fb_writel(~0, cursorbase + h + 12);
- h += 16;
+ u8 __iomem *cursorbase = info->screen_base + info->fix.smem_len;
+ u8 *bitmap = (u8 *)cursor->image.data;
+ u8 *mask = (u8 *)cursor->mask;
+ int i;
+
+ fb_memset(cursorbase, 0, 1024);
+
+ for (i = 0; i < cursor->image.height; i++) {
+ int h = 0;
+ int j = (cursor->image.width + 7) >> 3;
+
+ for (; j > 0; j--) {
+ u8 data = *mask ^ *bitmap;
+ if (cursor->rop == ROP_COPY)
+ data = *mask & *bitmap;
+ /* Pattern 0. Copy the cursor mask to it */
+ fb_writeb(*mask, cursorbase + h);
+ mask++;
+ /* Pattern 1. Copy the cursor bitmap to it */
+ fb_writeb(data, cursorbase + h + 8);
+ bitmap++;
+ h++;
}
+ cursorbase += 16;
}
}
- /* Turn the cursor on */
- cursor->enable = 1;
- info->cursor = *cursor;
- mod_timer(&par->hwcursor.timer, jiffies+HZ/2);
- spin_lock_irqsave(&par->DAClock, flags);
- banshee_make_room(par, 1);
- tdfx_outl(par, VIDPROCCFG, par->hwcursor.enable);
- spin_unlock_irqrestore(&par->DAClock, flags);
return 0;
}
+
+static struct fb_ops tdfxfb_ops = {
+ .owner = THIS_MODULE,
+ .fb_check_var = tdfxfb_check_var,
+ .fb_set_par = tdfxfb_set_par,
+ .fb_setcolreg = tdfxfb_setcolreg,
+ .fb_blank = tdfxfb_blank,
+ .fb_pan_display = tdfxfb_pan_display,
+ .fb_sync = banshee_wait_idle,
+ .fb_cursor = tdfxfb_cursor,
+#ifdef CONFIG_FB_3DFX_ACCEL
+ .fb_fillrect = tdfxfb_fillrect,
+ .fb_copyarea = tdfxfb_copyarea,
+ .fb_imageblit = tdfxfb_imageblit,
+#else
+ .fb_fillrect = cfb_fillrect,
+ .fb_copyarea = cfb_copyarea,
+ .fb_imageblit = cfb_imageblit,
#endif
+};
/**
* tdfxfb_probe - Device Initializiation
@@ -1161,14 +1182,15 @@ static int tdfxfb_cursor(struct fb_info *info, struct fb_cursor *cursor)
*
*/
static int __devinit tdfxfb_probe(struct pci_dev *pdev,
- const struct pci_device_id *id)
+ const struct pci_device_id *id)
{
struct tdfx_par *default_par;
struct fb_info *info;
int err, lpitch;
- if ((err = pci_enable_device(pdev))) {
- printk(KERN_WARNING "tdfxfb: Can't enable pdev: %d\n", err);
+ err = pci_enable_device(pdev);
+ if (err) {
+ printk(KERN_ERR "tdfxfb: Can't enable pdev: %d\n", err);
return err;
}
@@ -1176,139 +1198,145 @@ static int __devinit tdfxfb_probe(struct pci_dev *pdev,
if (!info)
return -ENOMEM;
-
+
default_par = info->par;
-
+
/* Configure the default fb_fix_screeninfo first */
switch (pdev->device) {
- case PCI_DEVICE_ID_3DFX_BANSHEE:
- strcat(tdfx_fix.id, " Banshee");
- default_par->max_pixclock = BANSHEE_MAX_PIXCLOCK;
- break;
- case PCI_DEVICE_ID_3DFX_VOODOO3:
- strcat(tdfx_fix.id, " Voodoo3");
- default_par->max_pixclock = VOODOO3_MAX_PIXCLOCK;
- break;
- case PCI_DEVICE_ID_3DFX_VOODOO5:
- strcat(tdfx_fix.id, " Voodoo5");
- default_par->max_pixclock = VOODOO5_MAX_PIXCLOCK;
- break;
+ case PCI_DEVICE_ID_3DFX_BANSHEE:
+ strcat(tdfx_fix.id, " Banshee");
+ default_par->max_pixclock = BANSHEE_MAX_PIXCLOCK;
+ break;
+ case PCI_DEVICE_ID_3DFX_VOODOO3:
+ strcat(tdfx_fix.id, " Voodoo3");
+ default_par->max_pixclock = VOODOO3_MAX_PIXCLOCK;
+ break;
+ case PCI_DEVICE_ID_3DFX_VOODOO5:
+ strcat(tdfx_fix.id, " Voodoo5");
+ default_par->max_pixclock = VOODOO5_MAX_PIXCLOCK;
+ break;
}
tdfx_fix.mmio_start = pci_resource_start(pdev, 0);
tdfx_fix.mmio_len = pci_resource_len(pdev, 0);
- default_par->regbase_virt = ioremap_nocache(tdfx_fix.mmio_start, tdfx_fix.mmio_len);
- if (!default_par->regbase_virt) {
- printk("fb: Can't remap %s register area.\n", tdfx_fix.id);
+ if (!request_mem_region(tdfx_fix.mmio_start, tdfx_fix.mmio_len,
+ "tdfx regbase")) {
+ printk(KERN_ERR "tdfxfb: Can't reserve regbase\n");
goto out_err;
}
-
- if (!request_mem_region(pci_resource_start(pdev, 0),
- pci_resource_len(pdev, 0), "tdfx regbase")) {
- printk(KERN_WARNING "tdfxfb: Can't reserve regbase\n");
- goto out_err;
- }
+
+ default_par->regbase_virt =
+ ioremap_nocache(tdfx_fix.mmio_start, tdfx_fix.mmio_len);
+ if (!default_par->regbase_virt) {
+ printk(KERN_ERR "fb: Can't remap %s register area.\n",
+ tdfx_fix.id);
+ goto out_err_regbase;
+ }
tdfx_fix.smem_start = pci_resource_start(pdev, 1);
- if (!(tdfx_fix.smem_len = do_lfb_size(default_par, pdev->device))) {
- printk("fb: Can't count %s memory.\n", tdfx_fix.id);
- release_mem_region(pci_resource_start(pdev, 0),
- pci_resource_len(pdev, 0));
- goto out_err;
+ tdfx_fix.smem_len = do_lfb_size(default_par, pdev->device);
+ if (!tdfx_fix.smem_len) {
+ printk(KERN_ERR "fb: Can't count %s memory.\n", tdfx_fix.id);
+ goto out_err_regbase;
}
- if (!request_mem_region(pci_resource_start(pdev, 1),
- pci_resource_len(pdev, 1), "tdfx smem")) {
- printk(KERN_WARNING "tdfxfb: Can't reserve smem\n");
- release_mem_region(pci_resource_start(pdev, 0),
- pci_resource_len(pdev, 0));
- goto out_err;
+ if (!request_mem_region(tdfx_fix.smem_start,
+ pci_resource_len(pdev, 1), "tdfx smem")) {
+ printk(KERN_ERR "tdfxfb: Can't reserve smem\n");
+ goto out_err_regbase;
}
- info->screen_base = ioremap_nocache(tdfx_fix.smem_start,
+ info->screen_base = ioremap_nocache(tdfx_fix.smem_start,
tdfx_fix.smem_len);
if (!info->screen_base) {
- printk("fb: Can't remap %s framebuffer.\n", tdfx_fix.id);
- release_mem_region(pci_resource_start(pdev, 1),
- pci_resource_len(pdev, 1));
- release_mem_region(pci_resource_start(pdev, 0),
- pci_resource_len(pdev, 0));
- goto out_err;
+ printk(KERN_ERR "fb: Can't remap %s framebuffer.\n",
+ tdfx_fix.id);
+ goto out_err_screenbase;
}
default_par->iobase = pci_resource_start(pdev, 2);
-
+
if (!request_region(pci_resource_start(pdev, 2),
- pci_resource_len(pdev, 2), "tdfx iobase")) {
- printk(KERN_WARNING "tdfxfb: Can't reserve iobase\n");
- release_mem_region(pci_resource_start(pdev, 1),
- pci_resource_len(pdev, 1));
- release_mem_region(pci_resource_start(pdev, 0),
- pci_resource_len(pdev, 0));
- goto out_err;
+ pci_resource_len(pdev, 2), "tdfx iobase")) {
+ printk(KERN_ERR "tdfxfb: Can't reserve iobase\n");
+ goto out_err_screenbase;
}
- printk("fb: %s memory = %dK\n", tdfx_fix.id, tdfx_fix.smem_len >> 10);
+ printk(KERN_INFO "fb: %s memory = %dK\n", tdfx_fix.id,
+ tdfx_fix.smem_len >> 10);
+
+ default_par->mtrr_handle = -1;
+ if (!nomtrr)
+ default_par->mtrr_handle =
+ mtrr_add(tdfx_fix.smem_start, tdfx_fix.smem_len,
+ MTRR_TYPE_WRCOMB, 1);
tdfx_fix.ypanstep = nopan ? 0 : 1;
tdfx_fix.ywrapstep = nowrap ? 0 : 1;
-
+
info->fbops = &tdfxfb_ops;
- info->fix = tdfx_fix;
+ info->fix = tdfx_fix;
info->pseudo_palette = default_par->palette;
info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
#ifdef CONFIG_FB_3DFX_ACCEL
- info->flags |= FBINFO_HWACCEL_FILLRECT |
- FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_IMAGEBLIT;
+ info->flags |= FBINFO_HWACCEL_FILLRECT |
+ FBINFO_HWACCEL_COPYAREA |
+ FBINFO_HWACCEL_IMAGEBLIT |
+ FBINFO_READS_FAST;
#endif
+ /* reserve 8192 bits for cursor */
+ /* the 2.4 driver says PAGE_MASK boundary is not enough for Voodoo4 */
+ if (hwcursor)
+ info->fix.smem_len = (info->fix.smem_len - 1024) &
+ (PAGE_MASK << 1);
if (!mode_option)
mode_option = "640x480@60";
-
- err = fb_find_mode(&info->var, info, mode_option, NULL, 0, NULL, 8);
+
+ err = fb_find_mode(&info->var, info, mode_option, NULL, 0, NULL, 8);
if (!err || err == 4)
info->var = tdfx_var;
/* maximize virtual vertical length */
lpitch = info->var.xres_virtual * ((info->var.bits_per_pixel + 7) >> 3);
- info->var.yres_virtual = info->fix.smem_len/lpitch;
+ info->var.yres_virtual = info->fix.smem_len / lpitch;
if (info->var.yres_virtual < info->var.yres)
- goto out_err;
-
-#ifdef CONFIG_FB_3DFX_ACCEL
- /*
- * FIXME: Limit var->yres_virtual to 4096 because of screen artifacts
- * during scrolling. This is only present if 2D acceleration is
- * enabled.
- */
- if (info->var.yres_virtual > 4096)
- info->var.yres_virtual = 4096;
-#endif /* CONFIG_FB_3DFX_ACCEL */
+ goto out_err_iobase;
if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) {
- printk(KERN_WARNING "tdfxfb: Can't allocate color map\n");
- goto out_err;
+ printk(KERN_ERR "tdfxfb: Can't allocate color map\n");
+ goto out_err_iobase;
}
if (register_framebuffer(info) < 0) {
- printk("tdfxfb: can't register framebuffer\n");
+ printk(KERN_ERR "tdfxfb: can't register framebuffer\n");
fb_dealloc_cmap(&info->cmap);
- goto out_err;
+ goto out_err_iobase;
}
/*
* Our driver data
*/
pci_set_drvdata(pdev, info);
- return 0;
+ return 0;
-out_err:
+out_err_iobase:
+ if (default_par->mtrr_handle >= 0)
+ mtrr_del(default_par->mtrr_handle, info->fix.smem_start,
+ info->fix.smem_len);
+ release_mem_region(pci_resource_start(pdev, 2),
+ pci_resource_len(pdev, 2));
+out_err_screenbase:
+ if (info->screen_base)
+ iounmap(info->screen_base);
+ release_mem_region(tdfx_fix.smem_start, pci_resource_len(pdev, 1));
+out_err_regbase:
/*
* Cleanup after anything that was remapped/allocated.
*/
if (default_par->regbase_virt)
iounmap(default_par->regbase_virt);
- if (info->screen_base)
- iounmap(info->screen_base);
+ release_mem_region(tdfx_fix.mmio_start, tdfx_fix.mmio_len);
+out_err:
framebuffer_release(info);
return -ENXIO;
}
@@ -1316,7 +1344,7 @@ out_err:
#ifndef MODULE
static void tdfxfb_setup(char *options)
{
- char* this_opt;
+ char *this_opt;
if (!options || !*options)
return;
@@ -1324,10 +1352,16 @@ static void tdfxfb_setup(char *options)
while ((this_opt = strsep(&options, ",")) != NULL) {
if (!*this_opt)
continue;
- if(!strcmp(this_opt, "nopan")) {
+ if (!strcmp(this_opt, "nopan")) {
nopan = 1;
- } else if(!strcmp(this_opt, "nowrap")) {
+ } else if (!strcmp(this_opt, "nowrap")) {
nowrap = 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;
}
@@ -1350,6 +1384,9 @@ static void __devexit tdfxfb_remove(struct pci_dev *pdev)
struct tdfx_par *par = info->par;
unregister_framebuffer(info);
+ if (par->mtrr_handle >= 0)
+ mtrr_del(par->mtrr_handle, info->fix.smem_start,
+ info->fix.smem_len);
iounmap(par->regbase_virt);
iounmap(info->screen_base);
@@ -1374,17 +1411,25 @@ static int __init tdfxfb_init(void)
tdfxfb_setup(option);
#endif
- return pci_register_driver(&tdfxfb_driver);
+ return pci_register_driver(&tdfxfb_driver);
}
static void __exit tdfxfb_exit(void)
{
- pci_unregister_driver(&tdfxfb_driver);
+ pci_unregister_driver(&tdfxfb_driver);
}
MODULE_AUTHOR("Hannu Mallat <hmallat@cc.hut.fi>");
MODULE_DESCRIPTION("3Dfx framebuffer device driver");
MODULE_LICENSE("GPL");
-
+
+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 (default: enabled)");
+#endif
+
module_init(tdfxfb_init);
module_exit(tdfxfb_exit);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-01 16:03:05 +0000