e1599cf8c7
We must not use any information in the passed var besides xoffset, yoffset and vmode as otherwise applications might abuse it. Also use the aligned fix.line_length and not the (possible) unaligned xres_virtual. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Tormod Volden <debian.tormod@gmail.com>
2580 lines
65 KiB
C
2580 lines
65 KiB
C
/*
|
|
* linux/drivers/video/savagefb.c -- S3 Savage Framebuffer Driver
|
|
*
|
|
* Copyright (c) 2001-2002 Denis Oliver Kropp <dok@directfb.org>
|
|
* Sven Neumann <neo@directfb.org>
|
|
*
|
|
*
|
|
* Card specific code is based on XFree86's savage driver.
|
|
* Framebuffer framework code is based on code of cyber2000fb and tdfxfb.
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General
|
|
* Public License. See the file COPYING in the main directory of this
|
|
* archive for more details.
|
|
*
|
|
* 0.4.0 (neo)
|
|
* - hardware accelerated clear and move
|
|
*
|
|
* 0.3.2 (dok)
|
|
* - wait for vertical retrace before writing to cr67
|
|
* at the beginning of savagefb_set_par
|
|
* - use synchronization registers cr23 and cr26
|
|
*
|
|
* 0.3.1 (dok)
|
|
* - reset 3D engine
|
|
* - don't return alpha bits for 32bit format
|
|
*
|
|
* 0.3.0 (dok)
|
|
* - added WaitIdle functions for all Savage types
|
|
* - do WaitIdle before mode switching
|
|
* - code cleanup
|
|
*
|
|
* 0.2.0 (dok)
|
|
* - first working version
|
|
*
|
|
*
|
|
* TODO
|
|
* - clock validations in decode_var
|
|
*
|
|
* BUGS
|
|
* - white margin on bootup
|
|
*
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/string.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/fb.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/init.h>
|
|
#include <linux/console.h>
|
|
|
|
#include <asm/io.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/pgtable.h>
|
|
#include <asm/system.h>
|
|
|
|
#ifdef CONFIG_MTRR
|
|
#include <asm/mtrr.h>
|
|
#endif
|
|
|
|
#include "savagefb.h"
|
|
|
|
|
|
#define SAVAGEFB_VERSION "0.4.0_2.6"
|
|
|
|
/* --------------------------------------------------------------------- */
|
|
|
|
|
|
static char *mode_option __devinitdata = NULL;
|
|
|
|
#ifdef MODULE
|
|
|
|
MODULE_AUTHOR("(c) 2001-2002 Denis Oliver Kropp <dok@directfb.org>");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_DESCRIPTION("FBDev driver for S3 Savage PCI/AGP Chips");
|
|
|
|
#endif
|
|
|
|
|
|
/* --------------------------------------------------------------------- */
|
|
|
|
static void vgaHWSeqReset(struct savagefb_par *par, int start)
|
|
{
|
|
if (start)
|
|
VGAwSEQ(0x00, 0x01, par); /* Synchronous Reset */
|
|
else
|
|
VGAwSEQ(0x00, 0x03, par); /* End Reset */
|
|
}
|
|
|
|
static void vgaHWProtect(struct savagefb_par *par, int on)
|
|
{
|
|
unsigned char tmp;
|
|
|
|
if (on) {
|
|
/*
|
|
* Turn off screen and disable sequencer.
|
|
*/
|
|
tmp = VGArSEQ(0x01, par);
|
|
|
|
vgaHWSeqReset(par, 1); /* start synchronous reset */
|
|
VGAwSEQ(0x01, tmp | 0x20, par);/* disable the display */
|
|
|
|
VGAenablePalette(par);
|
|
} else {
|
|
/*
|
|
* Reenable sequencer, then turn on screen.
|
|
*/
|
|
|
|
tmp = VGArSEQ(0x01, par);
|
|
|
|
VGAwSEQ(0x01, tmp & ~0x20, par);/* reenable display */
|
|
vgaHWSeqReset(par, 0); /* clear synchronous reset */
|
|
|
|
VGAdisablePalette(par);
|
|
}
|
|
}
|
|
|
|
static void vgaHWRestore(struct savagefb_par *par, struct savage_reg *reg)
|
|
{
|
|
int i;
|
|
|
|
VGAwMISC(reg->MiscOutReg, par);
|
|
|
|
for (i = 1; i < 5; i++)
|
|
VGAwSEQ(i, reg->Sequencer[i], par);
|
|
|
|
/* Ensure CRTC registers 0-7 are unlocked by clearing bit 7 or
|
|
CRTC[17] */
|
|
VGAwCR(17, reg->CRTC[17] & ~0x80, par);
|
|
|
|
for (i = 0; i < 25; i++)
|
|
VGAwCR(i, reg->CRTC[i], par);
|
|
|
|
for (i = 0; i < 9; i++)
|
|
VGAwGR(i, reg->Graphics[i], par);
|
|
|
|
VGAenablePalette(par);
|
|
|
|
for (i = 0; i < 21; i++)
|
|
VGAwATTR(i, reg->Attribute[i], par);
|
|
|
|
VGAdisablePalette(par);
|
|
}
|
|
|
|
static void vgaHWInit(struct fb_var_screeninfo *var,
|
|
struct savagefb_par *par,
|
|
struct xtimings *timings,
|
|
struct savage_reg *reg)
|
|
{
|
|
reg->MiscOutReg = 0x23;
|
|
|
|
if (!(timings->sync & FB_SYNC_HOR_HIGH_ACT))
|
|
reg->MiscOutReg |= 0x40;
|
|
|
|
if (!(timings->sync & FB_SYNC_VERT_HIGH_ACT))
|
|
reg->MiscOutReg |= 0x80;
|
|
|
|
/*
|
|
* Time Sequencer
|
|
*/
|
|
reg->Sequencer[0x00] = 0x00;
|
|
reg->Sequencer[0x01] = 0x01;
|
|
reg->Sequencer[0x02] = 0x0F;
|
|
reg->Sequencer[0x03] = 0x00; /* Font select */
|
|
reg->Sequencer[0x04] = 0x0E; /* Misc */
|
|
|
|
/*
|
|
* CRTC Controller
|
|
*/
|
|
reg->CRTC[0x00] = (timings->HTotal >> 3) - 5;
|
|
reg->CRTC[0x01] = (timings->HDisplay >> 3) - 1;
|
|
reg->CRTC[0x02] = (timings->HSyncStart >> 3) - 1;
|
|
reg->CRTC[0x03] = (((timings->HSyncEnd >> 3) - 1) & 0x1f) | 0x80;
|
|
reg->CRTC[0x04] = (timings->HSyncStart >> 3);
|
|
reg->CRTC[0x05] = ((((timings->HSyncEnd >> 3) - 1) & 0x20) << 2) |
|
|
(((timings->HSyncEnd >> 3)) & 0x1f);
|
|
reg->CRTC[0x06] = (timings->VTotal - 2) & 0xFF;
|
|
reg->CRTC[0x07] = (((timings->VTotal - 2) & 0x100) >> 8) |
|
|
(((timings->VDisplay - 1) & 0x100) >> 7) |
|
|
((timings->VSyncStart & 0x100) >> 6) |
|
|
(((timings->VSyncStart - 1) & 0x100) >> 5) |
|
|
0x10 |
|
|
(((timings->VTotal - 2) & 0x200) >> 4) |
|
|
(((timings->VDisplay - 1) & 0x200) >> 3) |
|
|
((timings->VSyncStart & 0x200) >> 2);
|
|
reg->CRTC[0x08] = 0x00;
|
|
reg->CRTC[0x09] = (((timings->VSyncStart - 1) & 0x200) >> 4) | 0x40;
|
|
|
|
if (timings->dblscan)
|
|
reg->CRTC[0x09] |= 0x80;
|
|
|
|
reg->CRTC[0x0a] = 0x00;
|
|
reg->CRTC[0x0b] = 0x00;
|
|
reg->CRTC[0x0c] = 0x00;
|
|
reg->CRTC[0x0d] = 0x00;
|
|
reg->CRTC[0x0e] = 0x00;
|
|
reg->CRTC[0x0f] = 0x00;
|
|
reg->CRTC[0x10] = timings->VSyncStart & 0xff;
|
|
reg->CRTC[0x11] = (timings->VSyncEnd & 0x0f) | 0x20;
|
|
reg->CRTC[0x12] = (timings->VDisplay - 1) & 0xff;
|
|
reg->CRTC[0x13] = var->xres_virtual >> 4;
|
|
reg->CRTC[0x14] = 0x00;
|
|
reg->CRTC[0x15] = (timings->VSyncStart - 1) & 0xff;
|
|
reg->CRTC[0x16] = (timings->VSyncEnd - 1) & 0xff;
|
|
reg->CRTC[0x17] = 0xc3;
|
|
reg->CRTC[0x18] = 0xff;
|
|
|
|
/*
|
|
* are these unnecessary?
|
|
* vgaHWHBlankKGA(mode, regp, 0, KGA_FIX_OVERSCAN|KGA_ENABLE_ON_ZERO);
|
|
* vgaHWVBlankKGA(mode, regp, 0, KGA_FIX_OVERSCAN|KGA_ENABLE_ON_ZERO);
|
|
*/
|
|
|
|
/*
|
|
* Graphics Display Controller
|
|
*/
|
|
reg->Graphics[0x00] = 0x00;
|
|
reg->Graphics[0x01] = 0x00;
|
|
reg->Graphics[0x02] = 0x00;
|
|
reg->Graphics[0x03] = 0x00;
|
|
reg->Graphics[0x04] = 0x00;
|
|
reg->Graphics[0x05] = 0x40;
|
|
reg->Graphics[0x06] = 0x05; /* only map 64k VGA memory !!!! */
|
|
reg->Graphics[0x07] = 0x0F;
|
|
reg->Graphics[0x08] = 0xFF;
|
|
|
|
|
|
reg->Attribute[0x00] = 0x00; /* standard colormap translation */
|
|
reg->Attribute[0x01] = 0x01;
|
|
reg->Attribute[0x02] = 0x02;
|
|
reg->Attribute[0x03] = 0x03;
|
|
reg->Attribute[0x04] = 0x04;
|
|
reg->Attribute[0x05] = 0x05;
|
|
reg->Attribute[0x06] = 0x06;
|
|
reg->Attribute[0x07] = 0x07;
|
|
reg->Attribute[0x08] = 0x08;
|
|
reg->Attribute[0x09] = 0x09;
|
|
reg->Attribute[0x0a] = 0x0A;
|
|
reg->Attribute[0x0b] = 0x0B;
|
|
reg->Attribute[0x0c] = 0x0C;
|
|
reg->Attribute[0x0d] = 0x0D;
|
|
reg->Attribute[0x0e] = 0x0E;
|
|
reg->Attribute[0x0f] = 0x0F;
|
|
reg->Attribute[0x10] = 0x41;
|
|
reg->Attribute[0x11] = 0xFF;
|
|
reg->Attribute[0x12] = 0x0F;
|
|
reg->Attribute[0x13] = 0x00;
|
|
reg->Attribute[0x14] = 0x00;
|
|
}
|
|
|
|
/* -------------------- Hardware specific routines ------------------------- */
|
|
|
|
/*
|
|
* Hardware Acceleration for SavageFB
|
|
*/
|
|
|
|
/* Wait for fifo space */
|
|
static void
|
|
savage3D_waitfifo(struct savagefb_par *par, int space)
|
|
{
|
|
int slots = MAXFIFO - space;
|
|
|
|
while ((savage_in32(0x48C00, par) & 0x0000ffff) > slots);
|
|
}
|
|
|
|
static void
|
|
savage4_waitfifo(struct savagefb_par *par, int space)
|
|
{
|
|
int slots = MAXFIFO - space;
|
|
|
|
while ((savage_in32(0x48C60, par) & 0x001fffff) > slots);
|
|
}
|
|
|
|
static void
|
|
savage2000_waitfifo(struct savagefb_par *par, int space)
|
|
{
|
|
int slots = MAXFIFO - space;
|
|
|
|
while ((savage_in32(0x48C60, par) & 0x0000ffff) > slots);
|
|
}
|
|
|
|
/* Wait for idle accelerator */
|
|
static void
|
|
savage3D_waitidle(struct savagefb_par *par)
|
|
{
|
|
while ((savage_in32(0x48C00, par) & 0x0008ffff) != 0x80000);
|
|
}
|
|
|
|
static void
|
|
savage4_waitidle(struct savagefb_par *par)
|
|
{
|
|
while ((savage_in32(0x48C60, par) & 0x00a00000) != 0x00a00000);
|
|
}
|
|
|
|
static void
|
|
savage2000_waitidle(struct savagefb_par *par)
|
|
{
|
|
while ((savage_in32(0x48C60, par) & 0x009fffff));
|
|
}
|
|
|
|
#ifdef CONFIG_FB_SAVAGE_ACCEL
|
|
static void
|
|
SavageSetup2DEngine(struct savagefb_par *par)
|
|
{
|
|
unsigned long GlobalBitmapDescriptor;
|
|
|
|
GlobalBitmapDescriptor = 1 | 8 | BCI_BD_BW_DISABLE;
|
|
BCI_BD_SET_BPP(GlobalBitmapDescriptor, par->depth);
|
|
BCI_BD_SET_STRIDE(GlobalBitmapDescriptor, par->vwidth);
|
|
|
|
switch(par->chip) {
|
|
case S3_SAVAGE3D:
|
|
case S3_SAVAGE_MX:
|
|
/* Disable BCI */
|
|
savage_out32(0x48C18, savage_in32(0x48C18, par) & 0x3FF0, par);
|
|
/* Setup BCI command overflow buffer */
|
|
savage_out32(0x48C14,
|
|
(par->cob_offset >> 11) | (par->cob_index << 29),
|
|
par);
|
|
/* Program shadow status update. */
|
|
savage_out32(0x48C10, 0x78207220, par);
|
|
savage_out32(0x48C0C, 0, par);
|
|
/* Enable BCI and command overflow buffer */
|
|
savage_out32(0x48C18, savage_in32(0x48C18, par) | 0x0C, par);
|
|
break;
|
|
case S3_SAVAGE4:
|
|
case S3_TWISTER:
|
|
case S3_PROSAVAGE:
|
|
case S3_PROSAVAGEDDR:
|
|
case S3_SUPERSAVAGE:
|
|
/* Disable BCI */
|
|
savage_out32(0x48C18, savage_in32(0x48C18, par) & 0x3FF0, par);
|
|
/* Program shadow status update */
|
|
savage_out32(0x48C10, 0x00700040, par);
|
|
savage_out32(0x48C0C, 0, par);
|
|
/* Enable BCI without the COB */
|
|
savage_out32(0x48C18, savage_in32(0x48C18, par) | 0x08, par);
|
|
break;
|
|
case S3_SAVAGE2000:
|
|
/* Disable BCI */
|
|
savage_out32(0x48C18, 0, par);
|
|
/* Setup BCI command overflow buffer */
|
|
savage_out32(0x48C18,
|
|
(par->cob_offset >> 7) | (par->cob_index),
|
|
par);
|
|
/* Disable shadow status update */
|
|
savage_out32(0x48A30, 0, par);
|
|
/* Enable BCI and command overflow buffer */
|
|
savage_out32(0x48C18, savage_in32(0x48C18, par) | 0x00280000,
|
|
par);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
/* Turn on 16-bit register access. */
|
|
vga_out8(0x3d4, 0x31, par);
|
|
vga_out8(0x3d5, 0x0c, par);
|
|
|
|
/* Set stride to use GBD. */
|
|
vga_out8(0x3d4, 0x50, par);
|
|
vga_out8(0x3d5, vga_in8(0x3d5, par) | 0xC1, par);
|
|
|
|
/* Enable 2D engine. */
|
|
vga_out8(0x3d4, 0x40, par);
|
|
vga_out8(0x3d5, 0x01, par);
|
|
|
|
savage_out32(MONO_PAT_0, ~0, par);
|
|
savage_out32(MONO_PAT_1, ~0, par);
|
|
|
|
/* Setup plane masks */
|
|
savage_out32(0x8128, ~0, par); /* enable all write planes */
|
|
savage_out32(0x812C, ~0, par); /* enable all read planes */
|
|
savage_out16(0x8134, 0x27, par);
|
|
savage_out16(0x8136, 0x07, par);
|
|
|
|
/* Now set the GBD */
|
|
par->bci_ptr = 0;
|
|
par->SavageWaitFifo(par, 4);
|
|
|
|
BCI_SEND(BCI_CMD_SETREG | (1 << 16) | BCI_GBD1);
|
|
BCI_SEND(0);
|
|
BCI_SEND(BCI_CMD_SETREG | (1 << 16) | BCI_GBD2);
|
|
BCI_SEND(GlobalBitmapDescriptor);
|
|
|
|
/*
|
|
* I don't know why, sending this twice fixes the initial black screen,
|
|
* prevents X from crashing at least in Toshiba laptops with SavageIX.
|
|
* --Tony
|
|
*/
|
|
par->bci_ptr = 0;
|
|
par->SavageWaitFifo(par, 4);
|
|
|
|
BCI_SEND(BCI_CMD_SETREG | (1 << 16) | BCI_GBD1);
|
|
BCI_SEND(0);
|
|
BCI_SEND(BCI_CMD_SETREG | (1 << 16) | BCI_GBD2);
|
|
BCI_SEND(GlobalBitmapDescriptor);
|
|
}
|
|
|
|
static void savagefb_set_clip(struct fb_info *info)
|
|
{
|
|
struct savagefb_par *par = info->par;
|
|
int cmd;
|
|
|
|
cmd = BCI_CMD_NOP | BCI_CMD_CLIP_NEW;
|
|
par->bci_ptr = 0;
|
|
par->SavageWaitFifo(par,3);
|
|
BCI_SEND(cmd);
|
|
BCI_SEND(BCI_CLIP_TL(0, 0));
|
|
BCI_SEND(BCI_CLIP_BR(0xfff, 0xfff));
|
|
}
|
|
#else
|
|
static void SavageSetup2DEngine(struct savagefb_par *par) {}
|
|
|
|
#endif
|
|
|
|
static void SavageCalcClock(long freq, int min_m, int min_n1, int max_n1,
|
|
int min_n2, int max_n2, long freq_min,
|
|
long freq_max, unsigned int *mdiv,
|
|
unsigned int *ndiv, unsigned int *r)
|
|
{
|
|
long diff, best_diff;
|
|
unsigned int m;
|
|
unsigned char n1, n2, best_n1=16+2, best_n2=2, best_m=125+2;
|
|
|
|
if (freq < freq_min / (1 << max_n2)) {
|
|
printk(KERN_ERR "invalid frequency %ld Khz\n", freq);
|
|
freq = freq_min / (1 << max_n2);
|
|
}
|
|
if (freq > freq_max / (1 << min_n2)) {
|
|
printk(KERN_ERR "invalid frequency %ld Khz\n", freq);
|
|
freq = freq_max / (1 << min_n2);
|
|
}
|
|
|
|
/* work out suitable timings */
|
|
best_diff = freq;
|
|
|
|
for (n2=min_n2; n2<=max_n2; n2++) {
|
|
for (n1=min_n1+2; n1<=max_n1+2; n1++) {
|
|
m = (freq * n1 * (1 << n2) + HALF_BASE_FREQ) /
|
|
BASE_FREQ;
|
|
if (m < min_m+2 || m > 127+2)
|
|
continue;
|
|
if ((m * BASE_FREQ >= freq_min * n1) &&
|
|
(m * BASE_FREQ <= freq_max * n1)) {
|
|
diff = freq * (1 << n2) * n1 - BASE_FREQ * m;
|
|
if (diff < 0)
|
|
diff = -diff;
|
|
if (diff < best_diff) {
|
|
best_diff = diff;
|
|
best_m = m;
|
|
best_n1 = n1;
|
|
best_n2 = n2;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
*ndiv = best_n1 - 2;
|
|
*r = best_n2;
|
|
*mdiv = best_m - 2;
|
|
}
|
|
|
|
static int common_calc_clock(long freq, int min_m, int min_n1, int max_n1,
|
|
int min_n2, int max_n2, long freq_min,
|
|
long freq_max, unsigned char *mdiv,
|
|
unsigned char *ndiv)
|
|
{
|
|
long diff, best_diff;
|
|
unsigned int m;
|
|
unsigned char n1, n2;
|
|
unsigned char best_n1 = 16+2, best_n2 = 2, best_m = 125+2;
|
|
|
|
best_diff = freq;
|
|
|
|
for (n2 = min_n2; n2 <= max_n2; n2++) {
|
|
for (n1 = min_n1+2; n1 <= max_n1+2; n1++) {
|
|
m = (freq * n1 * (1 << n2) + HALF_BASE_FREQ) /
|
|
BASE_FREQ;
|
|
if (m < min_m + 2 || m > 127+2)
|
|
continue;
|
|
if ((m * BASE_FREQ >= freq_min * n1) &&
|
|
(m * BASE_FREQ <= freq_max * n1)) {
|
|
diff = freq * (1 << n2) * n1 - BASE_FREQ * m;
|
|
if (diff < 0)
|
|
diff = -diff;
|
|
if (diff < best_diff) {
|
|
best_diff = diff;
|
|
best_m = m;
|
|
best_n1 = n1;
|
|
best_n2 = n2;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (max_n1 == 63)
|
|
*ndiv = (best_n1 - 2) | (best_n2 << 6);
|
|
else
|
|
*ndiv = (best_n1 - 2) | (best_n2 << 5);
|
|
|
|
*mdiv = best_m - 2;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef SAVAGEFB_DEBUG
|
|
/* This function is used to debug, it prints out the contents of s3 regs */
|
|
|
|
static void SavagePrintRegs(struct savagefb_par *par)
|
|
{
|
|
unsigned char i;
|
|
int vgaCRIndex = 0x3d4;
|
|
int vgaCRReg = 0x3d5;
|
|
|
|
printk(KERN_DEBUG "SR x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xA xB xC xD xE "
|
|
"xF");
|
|
|
|
for (i = 0; i < 0x70; i++) {
|
|
if (!(i % 16))
|
|
printk(KERN_DEBUG "\nSR%xx ", i >> 4);
|
|
vga_out8(0x3c4, i, par);
|
|
printk(KERN_DEBUG " %02x", vga_in8(0x3c5, par));
|
|
}
|
|
|
|
printk(KERN_DEBUG "\n\nCR x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xA xB xC "
|
|
"xD xE xF");
|
|
|
|
for (i = 0; i < 0xB7; i++) {
|
|
if (!(i % 16))
|
|
printk(KERN_DEBUG "\nCR%xx ", i >> 4);
|
|
vga_out8(vgaCRIndex, i, par);
|
|
printk(KERN_DEBUG " %02x", vga_in8(vgaCRReg, par));
|
|
}
|
|
|
|
printk(KERN_DEBUG "\n\n");
|
|
}
|
|
#endif
|
|
|
|
/* --------------------------------------------------------------------- */
|
|
|
|
static void savage_get_default_par(struct savagefb_par *par, struct savage_reg *reg)
|
|
{
|
|
unsigned char cr3a, cr53, cr66;
|
|
|
|
vga_out16(0x3d4, 0x4838, par);
|
|
vga_out16(0x3d4, 0xa039, par);
|
|
vga_out16(0x3c4, 0x0608, par);
|
|
|
|
vga_out8(0x3d4, 0x66, par);
|
|
cr66 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d5, cr66 | 0x80, par);
|
|
vga_out8(0x3d4, 0x3a, par);
|
|
cr3a = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d5, cr3a | 0x80, par);
|
|
vga_out8(0x3d4, 0x53, par);
|
|
cr53 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d5, cr53 & 0x7f, par);
|
|
|
|
vga_out8(0x3d4, 0x66, par);
|
|
vga_out8(0x3d5, cr66, par);
|
|
vga_out8(0x3d4, 0x3a, par);
|
|
vga_out8(0x3d5, cr3a, par);
|
|
|
|
vga_out8(0x3d4, 0x66, par);
|
|
vga_out8(0x3d5, cr66, par);
|
|
vga_out8(0x3d4, 0x3a, par);
|
|
vga_out8(0x3d5, cr3a, par);
|
|
|
|
/* unlock extended seq regs */
|
|
vga_out8(0x3c4, 0x08, par);
|
|
reg->SR08 = vga_in8(0x3c5, par);
|
|
vga_out8(0x3c5, 0x06, par);
|
|
|
|
/* now save all the extended regs we need */
|
|
vga_out8(0x3d4, 0x31, par);
|
|
reg->CR31 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x32, par);
|
|
reg->CR32 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x34, par);
|
|
reg->CR34 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x36, par);
|
|
reg->CR36 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x3a, par);
|
|
reg->CR3A = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x40, par);
|
|
reg->CR40 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x42, par);
|
|
reg->CR42 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x45, par);
|
|
reg->CR45 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x50, par);
|
|
reg->CR50 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x51, par);
|
|
reg->CR51 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x53, par);
|
|
reg->CR53 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x58, par);
|
|
reg->CR58 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x60, par);
|
|
reg->CR60 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x66, par);
|
|
reg->CR66 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x67, par);
|
|
reg->CR67 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x68, par);
|
|
reg->CR68 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x69, par);
|
|
reg->CR69 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x6f, par);
|
|
reg->CR6F = vga_in8(0x3d5, par);
|
|
|
|
vga_out8(0x3d4, 0x33, par);
|
|
reg->CR33 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x86, par);
|
|
reg->CR86 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x88, par);
|
|
reg->CR88 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x90, par);
|
|
reg->CR90 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x91, par);
|
|
reg->CR91 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0xb0, par);
|
|
reg->CRB0 = vga_in8(0x3d5, par) | 0x80;
|
|
|
|
/* extended mode timing regs */
|
|
vga_out8(0x3d4, 0x3b, par);
|
|
reg->CR3B = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x3c, par);
|
|
reg->CR3C = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x43, par);
|
|
reg->CR43 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x5d, par);
|
|
reg->CR5D = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x5e, par);
|
|
reg->CR5E = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x65, par);
|
|
reg->CR65 = vga_in8(0x3d5, par);
|
|
|
|
/* save seq extended regs for DCLK PLL programming */
|
|
vga_out8(0x3c4, 0x0e, par);
|
|
reg->SR0E = vga_in8(0x3c5, par);
|
|
vga_out8(0x3c4, 0x0f, par);
|
|
reg->SR0F = vga_in8(0x3c5, par);
|
|
vga_out8(0x3c4, 0x10, par);
|
|
reg->SR10 = vga_in8(0x3c5, par);
|
|
vga_out8(0x3c4, 0x11, par);
|
|
reg->SR11 = vga_in8(0x3c5, par);
|
|
vga_out8(0x3c4, 0x12, par);
|
|
reg->SR12 = vga_in8(0x3c5, par);
|
|
vga_out8(0x3c4, 0x13, par);
|
|
reg->SR13 = vga_in8(0x3c5, par);
|
|
vga_out8(0x3c4, 0x29, par);
|
|
reg->SR29 = vga_in8(0x3c5, par);
|
|
|
|
vga_out8(0x3c4, 0x15, par);
|
|
reg->SR15 = vga_in8(0x3c5, par);
|
|
vga_out8(0x3c4, 0x30, par);
|
|
reg->SR30 = vga_in8(0x3c5, par);
|
|
vga_out8(0x3c4, 0x18, par);
|
|
reg->SR18 = vga_in8(0x3c5, par);
|
|
|
|
/* Save flat panel expansion regsters. */
|
|
if (par->chip == S3_SAVAGE_MX) {
|
|
int i;
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
vga_out8(0x3c4, 0x54+i, par);
|
|
reg->SR54[i] = vga_in8(0x3c5, par);
|
|
}
|
|
}
|
|
|
|
vga_out8(0x3d4, 0x66, par);
|
|
cr66 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d5, cr66 | 0x80, par);
|
|
vga_out8(0x3d4, 0x3a, par);
|
|
cr3a = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d5, cr3a | 0x80, par);
|
|
|
|
/* now save MIU regs */
|
|
if (par->chip != S3_SAVAGE_MX) {
|
|
reg->MMPR0 = savage_in32(FIFO_CONTROL_REG, par);
|
|
reg->MMPR1 = savage_in32(MIU_CONTROL_REG, par);
|
|
reg->MMPR2 = savage_in32(STREAMS_TIMEOUT_REG, par);
|
|
reg->MMPR3 = savage_in32(MISC_TIMEOUT_REG, par);
|
|
}
|
|
|
|
vga_out8(0x3d4, 0x3a, par);
|
|
vga_out8(0x3d5, cr3a, par);
|
|
vga_out8(0x3d4, 0x66, par);
|
|
vga_out8(0x3d5, cr66, par);
|
|
}
|
|
|
|
static void savage_set_default_par(struct savagefb_par *par,
|
|
struct savage_reg *reg)
|
|
{
|
|
unsigned char cr3a, cr53, cr66;
|
|
|
|
vga_out16(0x3d4, 0x4838, par);
|
|
vga_out16(0x3d4, 0xa039, par);
|
|
vga_out16(0x3c4, 0x0608, par);
|
|
|
|
vga_out8(0x3d4, 0x66, par);
|
|
cr66 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d5, cr66 | 0x80, par);
|
|
vga_out8(0x3d4, 0x3a, par);
|
|
cr3a = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d5, cr3a | 0x80, par);
|
|
vga_out8(0x3d4, 0x53, par);
|
|
cr53 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d5, cr53 & 0x7f, par);
|
|
|
|
vga_out8(0x3d4, 0x66, par);
|
|
vga_out8(0x3d5, cr66, par);
|
|
vga_out8(0x3d4, 0x3a, par);
|
|
vga_out8(0x3d5, cr3a, par);
|
|
|
|
vga_out8(0x3d4, 0x66, par);
|
|
vga_out8(0x3d5, cr66, par);
|
|
vga_out8(0x3d4, 0x3a, par);
|
|
vga_out8(0x3d5, cr3a, par);
|
|
|
|
/* unlock extended seq regs */
|
|
vga_out8(0x3c4, 0x08, par);
|
|
vga_out8(0x3c5, reg->SR08, par);
|
|
vga_out8(0x3c5, 0x06, par);
|
|
|
|
/* now restore all the extended regs we need */
|
|
vga_out8(0x3d4, 0x31, par);
|
|
vga_out8(0x3d5, reg->CR31, par);
|
|
vga_out8(0x3d4, 0x32, par);
|
|
vga_out8(0x3d5, reg->CR32, par);
|
|
vga_out8(0x3d4, 0x34, par);
|
|
vga_out8(0x3d5, reg->CR34, par);
|
|
vga_out8(0x3d4, 0x36, par);
|
|
vga_out8(0x3d5,reg->CR36, par);
|
|
vga_out8(0x3d4, 0x3a, par);
|
|
vga_out8(0x3d5, reg->CR3A, par);
|
|
vga_out8(0x3d4, 0x40, par);
|
|
vga_out8(0x3d5, reg->CR40, par);
|
|
vga_out8(0x3d4, 0x42, par);
|
|
vga_out8(0x3d5, reg->CR42, par);
|
|
vga_out8(0x3d4, 0x45, par);
|
|
vga_out8(0x3d5, reg->CR45, par);
|
|
vga_out8(0x3d4, 0x50, par);
|
|
vga_out8(0x3d5, reg->CR50, par);
|
|
vga_out8(0x3d4, 0x51, par);
|
|
vga_out8(0x3d5, reg->CR51, par);
|
|
vga_out8(0x3d4, 0x53, par);
|
|
vga_out8(0x3d5, reg->CR53, par);
|
|
vga_out8(0x3d4, 0x58, par);
|
|
vga_out8(0x3d5, reg->CR58, par);
|
|
vga_out8(0x3d4, 0x60, par);
|
|
vga_out8(0x3d5, reg->CR60, par);
|
|
vga_out8(0x3d4, 0x66, par);
|
|
vga_out8(0x3d5, reg->CR66, par);
|
|
vga_out8(0x3d4, 0x67, par);
|
|
vga_out8(0x3d5, reg->CR67, par);
|
|
vga_out8(0x3d4, 0x68, par);
|
|
vga_out8(0x3d5, reg->CR68, par);
|
|
vga_out8(0x3d4, 0x69, par);
|
|
vga_out8(0x3d5, reg->CR69, par);
|
|
vga_out8(0x3d4, 0x6f, par);
|
|
vga_out8(0x3d5, reg->CR6F, par);
|
|
|
|
vga_out8(0x3d4, 0x33, par);
|
|
vga_out8(0x3d5, reg->CR33, par);
|
|
vga_out8(0x3d4, 0x86, par);
|
|
vga_out8(0x3d5, reg->CR86, par);
|
|
vga_out8(0x3d4, 0x88, par);
|
|
vga_out8(0x3d5, reg->CR88, par);
|
|
vga_out8(0x3d4, 0x90, par);
|
|
vga_out8(0x3d5, reg->CR90, par);
|
|
vga_out8(0x3d4, 0x91, par);
|
|
vga_out8(0x3d5, reg->CR91, par);
|
|
vga_out8(0x3d4, 0xb0, par);
|
|
vga_out8(0x3d5, reg->CRB0, par);
|
|
|
|
/* extended mode timing regs */
|
|
vga_out8(0x3d4, 0x3b, par);
|
|
vga_out8(0x3d5, reg->CR3B, par);
|
|
vga_out8(0x3d4, 0x3c, par);
|
|
vga_out8(0x3d5, reg->CR3C, par);
|
|
vga_out8(0x3d4, 0x43, par);
|
|
vga_out8(0x3d5, reg->CR43, par);
|
|
vga_out8(0x3d4, 0x5d, par);
|
|
vga_out8(0x3d5, reg->CR5D, par);
|
|
vga_out8(0x3d4, 0x5e, par);
|
|
vga_out8(0x3d5, reg->CR5E, par);
|
|
vga_out8(0x3d4, 0x65, par);
|
|
vga_out8(0x3d5, reg->CR65, par);
|
|
|
|
/* save seq extended regs for DCLK PLL programming */
|
|
vga_out8(0x3c4, 0x0e, par);
|
|
vga_out8(0x3c5, reg->SR0E, par);
|
|
vga_out8(0x3c4, 0x0f, par);
|
|
vga_out8(0x3c5, reg->SR0F, par);
|
|
vga_out8(0x3c4, 0x10, par);
|
|
vga_out8(0x3c5, reg->SR10, par);
|
|
vga_out8(0x3c4, 0x11, par);
|
|
vga_out8(0x3c5, reg->SR11, par);
|
|
vga_out8(0x3c4, 0x12, par);
|
|
vga_out8(0x3c5, reg->SR12, par);
|
|
vga_out8(0x3c4, 0x13, par);
|
|
vga_out8(0x3c5, reg->SR13, par);
|
|
vga_out8(0x3c4, 0x29, par);
|
|
vga_out8(0x3c5, reg->SR29, par);
|
|
|
|
vga_out8(0x3c4, 0x15, par);
|
|
vga_out8(0x3c5, reg->SR15, par);
|
|
vga_out8(0x3c4, 0x30, par);
|
|
vga_out8(0x3c5, reg->SR30, par);
|
|
vga_out8(0x3c4, 0x18, par);
|
|
vga_out8(0x3c5, reg->SR18, par);
|
|
|
|
/* Save flat panel expansion regsters. */
|
|
if (par->chip == S3_SAVAGE_MX) {
|
|
int i;
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
vga_out8(0x3c4, 0x54+i, par);
|
|
vga_out8(0x3c5, reg->SR54[i], par);
|
|
}
|
|
}
|
|
|
|
vga_out8(0x3d4, 0x66, par);
|
|
cr66 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d5, cr66 | 0x80, par);
|
|
vga_out8(0x3d4, 0x3a, par);
|
|
cr3a = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d5, cr3a | 0x80, par);
|
|
|
|
/* now save MIU regs */
|
|
if (par->chip != S3_SAVAGE_MX) {
|
|
savage_out32(FIFO_CONTROL_REG, reg->MMPR0, par);
|
|
savage_out32(MIU_CONTROL_REG, reg->MMPR1, par);
|
|
savage_out32(STREAMS_TIMEOUT_REG, reg->MMPR2, par);
|
|
savage_out32(MISC_TIMEOUT_REG, reg->MMPR3, par);
|
|
}
|
|
|
|
vga_out8(0x3d4, 0x3a, par);
|
|
vga_out8(0x3d5, cr3a, par);
|
|
vga_out8(0x3d4, 0x66, par);
|
|
vga_out8(0x3d5, cr66, par);
|
|
}
|
|
|
|
static void savage_update_var(struct fb_var_screeninfo *var,
|
|
const struct fb_videomode *modedb)
|
|
{
|
|
var->xres = var->xres_virtual = modedb->xres;
|
|
var->yres = modedb->yres;
|
|
if (var->yres_virtual < var->yres)
|
|
var->yres_virtual = var->yres;
|
|
var->xoffset = var->yoffset = 0;
|
|
var->pixclock = modedb->pixclock;
|
|
var->left_margin = modedb->left_margin;
|
|
var->right_margin = modedb->right_margin;
|
|
var->upper_margin = modedb->upper_margin;
|
|
var->lower_margin = modedb->lower_margin;
|
|
var->hsync_len = modedb->hsync_len;
|
|
var->vsync_len = modedb->vsync_len;
|
|
var->sync = modedb->sync;
|
|
var->vmode = modedb->vmode;
|
|
}
|
|
|
|
static int savagefb_check_var(struct fb_var_screeninfo *var,
|
|
struct fb_info *info)
|
|
{
|
|
struct savagefb_par *par = info->par;
|
|
int memlen, vramlen, mode_valid = 0;
|
|
|
|
DBG("savagefb_check_var");
|
|
|
|
var->transp.offset = 0;
|
|
var->transp.length = 0;
|
|
switch (var->bits_per_pixel) {
|
|
case 8:
|
|
var->red.offset = var->green.offset =
|
|
var->blue.offset = 0;
|
|
var->red.length = var->green.length =
|
|
var->blue.length = var->bits_per_pixel;
|
|
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;
|
|
var->red.offset = 16;
|
|
var->red.length = 8;
|
|
var->green.offset = 8;
|
|
var->green.length = 8;
|
|
var->blue.offset = 0;
|
|
var->blue.length = 8;
|
|
break;
|
|
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (!info->monspecs.hfmax || !info->monspecs.vfmax ||
|
|
!info->monspecs.dclkmax || !fb_validate_mode(var, info))
|
|
mode_valid = 1;
|
|
|
|
/* calculate modeline if supported by monitor */
|
|
if (!mode_valid && info->monspecs.gtf) {
|
|
if (!fb_get_mode(FB_MAXTIMINGS, 0, var, info))
|
|
mode_valid = 1;
|
|
}
|
|
|
|
if (!mode_valid) {
|
|
const struct fb_videomode *mode;
|
|
|
|
mode = fb_find_best_mode(var, &info->modelist);
|
|
if (mode) {
|
|
savage_update_var(var, mode);
|
|
mode_valid = 1;
|
|
}
|
|
}
|
|
|
|
if (!mode_valid && info->monspecs.modedb_len)
|
|
return -EINVAL;
|
|
|
|
/* Is the mode larger than the LCD panel? */
|
|
if (par->SavagePanelWidth &&
|
|
(var->xres > par->SavagePanelWidth ||
|
|
var->yres > par->SavagePanelHeight)) {
|
|
printk(KERN_INFO "Mode (%dx%d) larger than the LCD panel "
|
|
"(%dx%d)\n", var->xres, var->yres,
|
|
par->SavagePanelWidth,
|
|
par->SavagePanelHeight);
|
|
return -1;
|
|
}
|
|
|
|
if (var->yres_virtual < var->yres)
|
|
var->yres_virtual = var->yres;
|
|
if (var->xres_virtual < var->xres)
|
|
var->xres_virtual = var->xres;
|
|
|
|
vramlen = info->fix.smem_len;
|
|
|
|
memlen = var->xres_virtual * var->bits_per_pixel *
|
|
var->yres_virtual / 8;
|
|
if (memlen > vramlen) {
|
|
var->yres_virtual = vramlen * 8 /
|
|
(var->xres_virtual * var->bits_per_pixel);
|
|
memlen = var->xres_virtual * var->bits_per_pixel *
|
|
var->yres_virtual / 8;
|
|
}
|
|
|
|
/* we must round yres/xres down, we already rounded y/xres_virtual up
|
|
if it was possible. We should return -EINVAL, but I disagree */
|
|
if (var->yres_virtual < var->yres)
|
|
var->yres = var->yres_virtual;
|
|
if (var->xres_virtual < var->xres)
|
|
var->xres = var->xres_virtual;
|
|
if (var->xoffset + var->xres > var->xres_virtual)
|
|
var->xoffset = var->xres_virtual - var->xres;
|
|
if (var->yoffset + var->yres > var->yres_virtual)
|
|
var->yoffset = var->yres_virtual - var->yres;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int savagefb_decode_var(struct fb_var_screeninfo *var,
|
|
struct savagefb_par *par,
|
|
struct savage_reg *reg)
|
|
{
|
|
struct xtimings timings;
|
|
int width, dclk, i, j; /*, refresh; */
|
|
unsigned int m, n, r;
|
|
unsigned char tmp = 0;
|
|
unsigned int pixclock = var->pixclock;
|
|
|
|
DBG("savagefb_decode_var");
|
|
|
|
memset(&timings, 0, sizeof(timings));
|
|
|
|
if (!pixclock) pixclock = 10000; /* 10ns = 100MHz */
|
|
timings.Clock = 1000000000 / pixclock;
|
|
if (timings.Clock < 1) timings.Clock = 1;
|
|
timings.dblscan = var->vmode & FB_VMODE_DOUBLE;
|
|
timings.interlaced = var->vmode & FB_VMODE_INTERLACED;
|
|
timings.HDisplay = var->xres;
|
|
timings.HSyncStart = timings.HDisplay + var->right_margin;
|
|
timings.HSyncEnd = timings.HSyncStart + var->hsync_len;
|
|
timings.HTotal = timings.HSyncEnd + var->left_margin;
|
|
timings.VDisplay = var->yres;
|
|
timings.VSyncStart = timings.VDisplay + var->lower_margin;
|
|
timings.VSyncEnd = timings.VSyncStart + var->vsync_len;
|
|
timings.VTotal = timings.VSyncEnd + var->upper_margin;
|
|
timings.sync = var->sync;
|
|
|
|
|
|
par->depth = var->bits_per_pixel;
|
|
par->vwidth = var->xres_virtual;
|
|
|
|
if (var->bits_per_pixel == 16 && par->chip == S3_SAVAGE3D) {
|
|
timings.HDisplay *= 2;
|
|
timings.HSyncStart *= 2;
|
|
timings.HSyncEnd *= 2;
|
|
timings.HTotal *= 2;
|
|
}
|
|
|
|
/*
|
|
* This will allocate the datastructure and initialize all of the
|
|
* generic VGA registers.
|
|
*/
|
|
vgaHWInit(var, par, &timings, reg);
|
|
|
|
/* We need to set CR67 whether or not we use the BIOS. */
|
|
|
|
dclk = timings.Clock;
|
|
reg->CR67 = 0x00;
|
|
|
|
switch(var->bits_per_pixel) {
|
|
case 8:
|
|
if ((par->chip == S3_SAVAGE2000) && (dclk >= 230000))
|
|
reg->CR67 = 0x10; /* 8bpp, 2 pixels/clock */
|
|
else
|
|
reg->CR67 = 0x00; /* 8bpp, 1 pixel/clock */
|
|
break;
|
|
case 15:
|
|
if (S3_SAVAGE_MOBILE_SERIES(par->chip) ||
|
|
((par->chip == S3_SAVAGE2000) && (dclk >= 230000)))
|
|
reg->CR67 = 0x30; /* 15bpp, 2 pixel/clock */
|
|
else
|
|
reg->CR67 = 0x20; /* 15bpp, 1 pixels/clock */
|
|
break;
|
|
case 16:
|
|
if (S3_SAVAGE_MOBILE_SERIES(par->chip) ||
|
|
((par->chip == S3_SAVAGE2000) && (dclk >= 230000)))
|
|
reg->CR67 = 0x50; /* 16bpp, 2 pixel/clock */
|
|
else
|
|
reg->CR67 = 0x40; /* 16bpp, 1 pixels/clock */
|
|
break;
|
|
case 24:
|
|
reg->CR67 = 0x70;
|
|
break;
|
|
case 32:
|
|
reg->CR67 = 0xd0;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Either BIOS use is disabled, or we failed to find a suitable
|
|
* match. Fall back to traditional register-crunching.
|
|
*/
|
|
|
|
vga_out8(0x3d4, 0x3a, par);
|
|
tmp = vga_in8(0x3d5, par);
|
|
if (1 /*FIXME:psav->pci_burst*/)
|
|
reg->CR3A = (tmp & 0x7f) | 0x15;
|
|
else
|
|
reg->CR3A = tmp | 0x95;
|
|
|
|
reg->CR53 = 0x00;
|
|
reg->CR31 = 0x8c;
|
|
reg->CR66 = 0x89;
|
|
|
|
vga_out8(0x3d4, 0x58, par);
|
|
reg->CR58 = vga_in8(0x3d5, par) & 0x80;
|
|
reg->CR58 |= 0x13;
|
|
|
|
reg->SR15 = 0x03 | 0x80;
|
|
reg->SR18 = 0x00;
|
|
reg->CR43 = reg->CR45 = reg->CR65 = 0x00;
|
|
|
|
vga_out8(0x3d4, 0x40, par);
|
|
reg->CR40 = vga_in8(0x3d5, par) & ~0x01;
|
|
|
|
reg->MMPR0 = 0x010400;
|
|
reg->MMPR1 = 0x00;
|
|
reg->MMPR2 = 0x0808;
|
|
reg->MMPR3 = 0x08080810;
|
|
|
|
SavageCalcClock(dclk, 1, 1, 127, 0, 4, 180000, 360000, &m, &n, &r);
|
|
/* m = 107; n = 4; r = 2; */
|
|
|
|
if (par->MCLK <= 0) {
|
|
reg->SR10 = 255;
|
|
reg->SR11 = 255;
|
|
} else {
|
|
common_calc_clock(par->MCLK, 1, 1, 31, 0, 3, 135000, 270000,
|
|
®->SR11, ®->SR10);
|
|
/* reg->SR10 = 80; // MCLK == 286000 */
|
|
/* reg->SR11 = 125; */
|
|
}
|
|
|
|
reg->SR12 = (r << 6) | (n & 0x3f);
|
|
reg->SR13 = m & 0xff;
|
|
reg->SR29 = (r & 4) | (m & 0x100) >> 5 | (n & 0x40) >> 2;
|
|
|
|
if (var->bits_per_pixel < 24)
|
|
reg->MMPR0 -= 0x8000;
|
|
else
|
|
reg->MMPR0 -= 0x4000;
|
|
|
|
if (timings.interlaced)
|
|
reg->CR42 = 0x20;
|
|
else
|
|
reg->CR42 = 0x00;
|
|
|
|
reg->CR34 = 0x10; /* display fifo */
|
|
|
|
i = ((((timings.HTotal >> 3) - 5) & 0x100) >> 8) |
|
|
((((timings.HDisplay >> 3) - 1) & 0x100) >> 7) |
|
|
((((timings.HSyncStart >> 3) - 1) & 0x100) >> 6) |
|
|
((timings.HSyncStart & 0x800) >> 7);
|
|
|
|
if ((timings.HSyncEnd >> 3) - (timings.HSyncStart >> 3) > 64)
|
|
i |= 0x08;
|
|
if ((timings.HSyncEnd >> 3) - (timings.HSyncStart >> 3) > 32)
|
|
i |= 0x20;
|
|
|
|
j = (reg->CRTC[0] + ((i & 0x01) << 8) +
|
|
reg->CRTC[4] + ((i & 0x10) << 4) + 1) / 2;
|
|
|
|
if (j - (reg->CRTC[4] + ((i & 0x10) << 4)) < 4) {
|
|
if (reg->CRTC[4] + ((i & 0x10) << 4) + 4 <=
|
|
reg->CRTC[0] + ((i & 0x01) << 8))
|
|
j = reg->CRTC[4] + ((i & 0x10) << 4) + 4;
|
|
else
|
|
j = reg->CRTC[0] + ((i & 0x01) << 8) + 1;
|
|
}
|
|
|
|
reg->CR3B = j & 0xff;
|
|
i |= (j & 0x100) >> 2;
|
|
reg->CR3C = (reg->CRTC[0] + ((i & 0x01) << 8)) / 2;
|
|
reg->CR5D = i;
|
|
reg->CR5E = (((timings.VTotal - 2) & 0x400) >> 10) |
|
|
(((timings.VDisplay - 1) & 0x400) >> 9) |
|
|
(((timings.VSyncStart) & 0x400) >> 8) |
|
|
(((timings.VSyncStart) & 0x400) >> 6) | 0x40;
|
|
width = (var->xres_virtual * ((var->bits_per_pixel+7) / 8)) >> 3;
|
|
reg->CR91 = reg->CRTC[19] = 0xff & width;
|
|
reg->CR51 = (0x300 & width) >> 4;
|
|
reg->CR90 = 0x80 | (width >> 8);
|
|
reg->MiscOutReg |= 0x0c;
|
|
|
|
/* Set frame buffer description. */
|
|
|
|
if (var->bits_per_pixel <= 8)
|
|
reg->CR50 = 0;
|
|
else if (var->bits_per_pixel <= 16)
|
|
reg->CR50 = 0x10;
|
|
else
|
|
reg->CR50 = 0x30;
|
|
|
|
if (var->xres_virtual <= 640)
|
|
reg->CR50 |= 0x40;
|
|
else if (var->xres_virtual == 800)
|
|
reg->CR50 |= 0x80;
|
|
else if (var->xres_virtual == 1024)
|
|
reg->CR50 |= 0x00;
|
|
else if (var->xres_virtual == 1152)
|
|
reg->CR50 |= 0x01;
|
|
else if (var->xres_virtual == 1280)
|
|
reg->CR50 |= 0xc0;
|
|
else if (var->xres_virtual == 1600)
|
|
reg->CR50 |= 0x81;
|
|
else
|
|
reg->CR50 |= 0xc1; /* Use GBD */
|
|
|
|
if (par->chip == S3_SAVAGE2000)
|
|
reg->CR33 = 0x08;
|
|
else
|
|
reg->CR33 = 0x20;
|
|
|
|
reg->CRTC[0x17] = 0xeb;
|
|
|
|
reg->CR67 |= 1;
|
|
|
|
vga_out8(0x3d4, 0x36, par);
|
|
reg->CR36 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x68, par);
|
|
reg->CR68 = vga_in8(0x3d5, par);
|
|
reg->CR69 = 0;
|
|
vga_out8(0x3d4, 0x6f, par);
|
|
reg->CR6F = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x86, par);
|
|
reg->CR86 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d4, 0x88, par);
|
|
reg->CR88 = vga_in8(0x3d5, par) | 0x08;
|
|
vga_out8(0x3d4, 0xb0, par);
|
|
reg->CRB0 = vga_in8(0x3d5, par) | 0x80;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------- */
|
|
|
|
/*
|
|
* Set a single color register. Return != 0 for invalid regno.
|
|
*/
|
|
static int savagefb_setcolreg(unsigned regno,
|
|
unsigned red,
|
|
unsigned green,
|
|
unsigned blue,
|
|
unsigned transp,
|
|
struct fb_info *info)
|
|
{
|
|
struct savagefb_par *par = info->par;
|
|
|
|
if (regno >= NR_PALETTE)
|
|
return -EINVAL;
|
|
|
|
par->palette[regno].red = red;
|
|
par->palette[regno].green = green;
|
|
par->palette[regno].blue = blue;
|
|
par->palette[regno].transp = transp;
|
|
|
|
switch (info->var.bits_per_pixel) {
|
|
case 8:
|
|
vga_out8(0x3c8, regno, par);
|
|
|
|
vga_out8(0x3c9, red >> 10, par);
|
|
vga_out8(0x3c9, green >> 10, par);
|
|
vga_out8(0x3c9, blue >> 10, par);
|
|
break;
|
|
|
|
case 16:
|
|
if (regno < 16)
|
|
((u32 *)info->pseudo_palette)[regno] =
|
|
((red & 0xf800) ) |
|
|
((green & 0xfc00) >> 5) |
|
|
((blue & 0xf800) >> 11);
|
|
break;
|
|
|
|
case 24:
|
|
if (regno < 16)
|
|
((u32 *)info->pseudo_palette)[regno] =
|
|
((red & 0xff00) << 8) |
|
|
((green & 0xff00) ) |
|
|
((blue & 0xff00) >> 8);
|
|
break;
|
|
case 32:
|
|
if (regno < 16)
|
|
((u32 *)info->pseudo_palette)[regno] =
|
|
((transp & 0xff00) << 16) |
|
|
((red & 0xff00) << 8) |
|
|
((green & 0xff00) ) |
|
|
((blue & 0xff00) >> 8);
|
|
break;
|
|
|
|
default:
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void savagefb_set_par_int(struct savagefb_par *par, struct savage_reg *reg)
|
|
{
|
|
unsigned char tmp, cr3a, cr66, cr67;
|
|
|
|
DBG("savagefb_set_par_int");
|
|
|
|
par->SavageWaitIdle(par);
|
|
|
|
vga_out8(0x3c2, 0x23, par);
|
|
|
|
vga_out16(0x3d4, 0x4838, par);
|
|
vga_out16(0x3d4, 0xa539, par);
|
|
vga_out16(0x3c4, 0x0608, par);
|
|
|
|
vgaHWProtect(par, 1);
|
|
|
|
/*
|
|
* Some Savage/MX and /IX systems go nuts when trying to exit the
|
|
* server after WindowMaker has displayed a gradient background. I
|
|
* haven't been able to find what causes it, but a non-destructive
|
|
* switch to mode 3 here seems to eliminate the issue.
|
|
*/
|
|
|
|
VerticalRetraceWait(par);
|
|
vga_out8(0x3d4, 0x67, par);
|
|
cr67 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d5, cr67/*par->CR67*/ & ~0x0c, par); /* no STREAMS yet */
|
|
|
|
vga_out8(0x3d4, 0x23, par);
|
|
vga_out8(0x3d5, 0x00, par);
|
|
vga_out8(0x3d4, 0x26, par);
|
|
vga_out8(0x3d5, 0x00, par);
|
|
|
|
/* restore extended regs */
|
|
vga_out8(0x3d4, 0x66, par);
|
|
vga_out8(0x3d5, reg->CR66, par);
|
|
vga_out8(0x3d4, 0x3a, par);
|
|
vga_out8(0x3d5, reg->CR3A, par);
|
|
vga_out8(0x3d4, 0x31, par);
|
|
vga_out8(0x3d5, reg->CR31, par);
|
|
vga_out8(0x3d4, 0x32, par);
|
|
vga_out8(0x3d5, reg->CR32, par);
|
|
vga_out8(0x3d4, 0x58, par);
|
|
vga_out8(0x3d5, reg->CR58, par);
|
|
vga_out8(0x3d4, 0x53, par);
|
|
vga_out8(0x3d5, reg->CR53 & 0x7f, par);
|
|
|
|
vga_out16(0x3c4, 0x0608, par);
|
|
|
|
/* Restore DCLK registers. */
|
|
|
|
vga_out8(0x3c4, 0x0e, par);
|
|
vga_out8(0x3c5, reg->SR0E, par);
|
|
vga_out8(0x3c4, 0x0f, par);
|
|
vga_out8(0x3c5, reg->SR0F, par);
|
|
vga_out8(0x3c4, 0x29, par);
|
|
vga_out8(0x3c5, reg->SR29, par);
|
|
vga_out8(0x3c4, 0x15, par);
|
|
vga_out8(0x3c5, reg->SR15, par);
|
|
|
|
/* Restore flat panel expansion regsters. */
|
|
if (par->chip == S3_SAVAGE_MX) {
|
|
int i;
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
vga_out8(0x3c4, 0x54+i, par);
|
|
vga_out8(0x3c5, reg->SR54[i], par);
|
|
}
|
|
}
|
|
|
|
vgaHWRestore (par, reg);
|
|
|
|
/* extended mode timing registers */
|
|
vga_out8(0x3d4, 0x53, par);
|
|
vga_out8(0x3d5, reg->CR53, par);
|
|
vga_out8(0x3d4, 0x5d, par);
|
|
vga_out8(0x3d5, reg->CR5D, par);
|
|
vga_out8(0x3d4, 0x5e, par);
|
|
vga_out8(0x3d5, reg->CR5E, par);
|
|
vga_out8(0x3d4, 0x3b, par);
|
|
vga_out8(0x3d5, reg->CR3B, par);
|
|
vga_out8(0x3d4, 0x3c, par);
|
|
vga_out8(0x3d5, reg->CR3C, par);
|
|
vga_out8(0x3d4, 0x43, par);
|
|
vga_out8(0x3d5, reg->CR43, par);
|
|
vga_out8(0x3d4, 0x65, par);
|
|
vga_out8(0x3d5, reg->CR65, par);
|
|
|
|
/* restore the desired video mode with cr67 */
|
|
vga_out8(0x3d4, 0x67, par);
|
|
/* following part not present in X11 driver */
|
|
cr67 = vga_in8(0x3d5, par) & 0xf;
|
|
vga_out8(0x3d5, 0x50 | cr67, par);
|
|
udelay(10000);
|
|
vga_out8(0x3d4, 0x67, par);
|
|
/* end of part */
|
|
vga_out8(0x3d5, reg->CR67 & ~0x0c, par);
|
|
|
|
/* other mode timing and extended regs */
|
|
vga_out8(0x3d4, 0x34, par);
|
|
vga_out8(0x3d5, reg->CR34, par);
|
|
vga_out8(0x3d4, 0x40, par);
|
|
vga_out8(0x3d5, reg->CR40, par);
|
|
vga_out8(0x3d4, 0x42, par);
|
|
vga_out8(0x3d5, reg->CR42, par);
|
|
vga_out8(0x3d4, 0x45, par);
|
|
vga_out8(0x3d5, reg->CR45, par);
|
|
vga_out8(0x3d4, 0x50, par);
|
|
vga_out8(0x3d5, reg->CR50, par);
|
|
vga_out8(0x3d4, 0x51, par);
|
|
vga_out8(0x3d5, reg->CR51, par);
|
|
|
|
/* memory timings */
|
|
vga_out8(0x3d4, 0x36, par);
|
|
vga_out8(0x3d5, reg->CR36, par);
|
|
vga_out8(0x3d4, 0x60, par);
|
|
vga_out8(0x3d5, reg->CR60, par);
|
|
vga_out8(0x3d4, 0x68, par);
|
|
vga_out8(0x3d5, reg->CR68, par);
|
|
vga_out8(0x3d4, 0x69, par);
|
|
vga_out8(0x3d5, reg->CR69, par);
|
|
vga_out8(0x3d4, 0x6f, par);
|
|
vga_out8(0x3d5, reg->CR6F, par);
|
|
|
|
vga_out8(0x3d4, 0x33, par);
|
|
vga_out8(0x3d5, reg->CR33, par);
|
|
vga_out8(0x3d4, 0x86, par);
|
|
vga_out8(0x3d5, reg->CR86, par);
|
|
vga_out8(0x3d4, 0x88, par);
|
|
vga_out8(0x3d5, reg->CR88, par);
|
|
vga_out8(0x3d4, 0x90, par);
|
|
vga_out8(0x3d5, reg->CR90, par);
|
|
vga_out8(0x3d4, 0x91, par);
|
|
vga_out8(0x3d5, reg->CR91, par);
|
|
|
|
if (par->chip == S3_SAVAGE4) {
|
|
vga_out8(0x3d4, 0xb0, par);
|
|
vga_out8(0x3d5, reg->CRB0, par);
|
|
}
|
|
|
|
vga_out8(0x3d4, 0x32, par);
|
|
vga_out8(0x3d5, reg->CR32, par);
|
|
|
|
/* unlock extended seq regs */
|
|
vga_out8(0x3c4, 0x08, par);
|
|
vga_out8(0x3c5, 0x06, par);
|
|
|
|
/* Restore extended sequencer regs for MCLK. SR10 == 255 indicates
|
|
* that we should leave the default SR10 and SR11 values there.
|
|
*/
|
|
if (reg->SR10 != 255) {
|
|
vga_out8(0x3c4, 0x10, par);
|
|
vga_out8(0x3c5, reg->SR10, par);
|
|
vga_out8(0x3c4, 0x11, par);
|
|
vga_out8(0x3c5, reg->SR11, par);
|
|
}
|
|
|
|
/* restore extended seq regs for dclk */
|
|
vga_out8(0x3c4, 0x0e, par);
|
|
vga_out8(0x3c5, reg->SR0E, par);
|
|
vga_out8(0x3c4, 0x0f, par);
|
|
vga_out8(0x3c5, reg->SR0F, par);
|
|
vga_out8(0x3c4, 0x12, par);
|
|
vga_out8(0x3c5, reg->SR12, par);
|
|
vga_out8(0x3c4, 0x13, par);
|
|
vga_out8(0x3c5, reg->SR13, par);
|
|
vga_out8(0x3c4, 0x29, par);
|
|
vga_out8(0x3c5, reg->SR29, par);
|
|
vga_out8(0x3c4, 0x18, par);
|
|
vga_out8(0x3c5, reg->SR18, par);
|
|
|
|
/* load new m, n pll values for dclk & mclk */
|
|
vga_out8(0x3c4, 0x15, par);
|
|
tmp = vga_in8(0x3c5, par) & ~0x21;
|
|
|
|
vga_out8(0x3c5, tmp | 0x03, par);
|
|
vga_out8(0x3c5, tmp | 0x23, par);
|
|
vga_out8(0x3c5, tmp | 0x03, par);
|
|
vga_out8(0x3c5, reg->SR15, par);
|
|
udelay(100);
|
|
|
|
vga_out8(0x3c4, 0x30, par);
|
|
vga_out8(0x3c5, reg->SR30, par);
|
|
vga_out8(0x3c4, 0x08, par);
|
|
vga_out8(0x3c5, reg->SR08, par);
|
|
|
|
/* now write out cr67 in full, possibly starting STREAMS */
|
|
VerticalRetraceWait(par);
|
|
vga_out8(0x3d4, 0x67, par);
|
|
vga_out8(0x3d5, reg->CR67, par);
|
|
|
|
vga_out8(0x3d4, 0x66, par);
|
|
cr66 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d5, cr66 | 0x80, par);
|
|
vga_out8(0x3d4, 0x3a, par);
|
|
cr3a = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d5, cr3a | 0x80, par);
|
|
|
|
if (par->chip != S3_SAVAGE_MX) {
|
|
VerticalRetraceWait(par);
|
|
savage_out32(FIFO_CONTROL_REG, reg->MMPR0, par);
|
|
par->SavageWaitIdle(par);
|
|
savage_out32(MIU_CONTROL_REG, reg->MMPR1, par);
|
|
par->SavageWaitIdle(par);
|
|
savage_out32(STREAMS_TIMEOUT_REG, reg->MMPR2, par);
|
|
par->SavageWaitIdle(par);
|
|
savage_out32(MISC_TIMEOUT_REG, reg->MMPR3, par);
|
|
}
|
|
|
|
vga_out8(0x3d4, 0x66, par);
|
|
vga_out8(0x3d5, cr66, par);
|
|
vga_out8(0x3d4, 0x3a, par);
|
|
vga_out8(0x3d5, cr3a, par);
|
|
|
|
SavageSetup2DEngine(par);
|
|
vgaHWProtect(par, 0);
|
|
}
|
|
|
|
static void savagefb_update_start(struct savagefb_par *par, int base)
|
|
{
|
|
/* program the start address registers */
|
|
vga_out16(0x3d4, (base & 0x00ff00) | 0x0c, par);
|
|
vga_out16(0x3d4, ((base & 0x00ff) << 8) | 0x0d, par);
|
|
vga_out8(0x3d4, 0x69, par);
|
|
vga_out8(0x3d5, (base & 0x7f0000) >> 16, par);
|
|
}
|
|
|
|
|
|
static void savagefb_set_fix(struct fb_info *info)
|
|
{
|
|
info->fix.line_length = info->var.xres_virtual *
|
|
info->var.bits_per_pixel / 8;
|
|
|
|
if (info->var.bits_per_pixel == 8) {
|
|
info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
|
|
info->fix.xpanstep = 4;
|
|
} else {
|
|
info->fix.visual = FB_VISUAL_TRUECOLOR;
|
|
info->fix.xpanstep = 2;
|
|
}
|
|
|
|
}
|
|
|
|
static int savagefb_set_par(struct fb_info *info)
|
|
{
|
|
struct savagefb_par *par = info->par;
|
|
struct fb_var_screeninfo *var = &info->var;
|
|
int err;
|
|
|
|
DBG("savagefb_set_par");
|
|
err = savagefb_decode_var(var, par, &par->state);
|
|
if (err)
|
|
return err;
|
|
|
|
if (par->dacSpeedBpp <= 0) {
|
|
if (var->bits_per_pixel > 24)
|
|
par->dacSpeedBpp = par->clock[3];
|
|
else if (var->bits_per_pixel >= 24)
|
|
par->dacSpeedBpp = par->clock[2];
|
|
else if ((var->bits_per_pixel > 8) && (var->bits_per_pixel < 24))
|
|
par->dacSpeedBpp = par->clock[1];
|
|
else if (var->bits_per_pixel <= 8)
|
|
par->dacSpeedBpp = par->clock[0];
|
|
}
|
|
|
|
/* Set ramdac limits */
|
|
par->maxClock = par->dacSpeedBpp;
|
|
par->minClock = 10000;
|
|
|
|
savagefb_set_par_int(par, &par->state);
|
|
fb_set_cmap(&info->cmap, info);
|
|
savagefb_set_fix(info);
|
|
savagefb_set_clip(info);
|
|
|
|
SavagePrintRegs(par);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Pan or Wrap the Display
|
|
*/
|
|
static int savagefb_pan_display(struct fb_var_screeninfo *var,
|
|
struct fb_info *info)
|
|
{
|
|
struct savagefb_par *par = info->par;
|
|
int base;
|
|
|
|
base = (var->yoffset * info->fix.line_length
|
|
+ (var->xoffset & ~1) * ((info->var.bits_per_pixel+7) / 8)) >> 2;
|
|
|
|
savagefb_update_start(par, base);
|
|
return 0;
|
|
}
|
|
|
|
static int savagefb_blank(int blank, struct fb_info *info)
|
|
{
|
|
struct savagefb_par *par = info->par;
|
|
u8 sr8 = 0, srd = 0;
|
|
|
|
if (par->display_type == DISP_CRT) {
|
|
vga_out8(0x3c4, 0x08, par);
|
|
sr8 = vga_in8(0x3c5, par);
|
|
sr8 |= 0x06;
|
|
vga_out8(0x3c5, sr8, par);
|
|
vga_out8(0x3c4, 0x0d, par);
|
|
srd = vga_in8(0x3c5, par);
|
|
srd &= 0x50;
|
|
|
|
switch (blank) {
|
|
case FB_BLANK_UNBLANK:
|
|
case FB_BLANK_NORMAL:
|
|
break;
|
|
case FB_BLANK_VSYNC_SUSPEND:
|
|
srd |= 0x10;
|
|
break;
|
|
case FB_BLANK_HSYNC_SUSPEND:
|
|
srd |= 0x40;
|
|
break;
|
|
case FB_BLANK_POWERDOWN:
|
|
srd |= 0x50;
|
|
break;
|
|
}
|
|
|
|
vga_out8(0x3c4, 0x0d, par);
|
|
vga_out8(0x3c5, srd, par);
|
|
}
|
|
|
|
if (par->display_type == DISP_LCD ||
|
|
par->display_type == DISP_DFP) {
|
|
switch(blank) {
|
|
case FB_BLANK_UNBLANK:
|
|
case FB_BLANK_NORMAL:
|
|
vga_out8(0x3c4, 0x31, par); /* SR31 bit 4 - FP enable */
|
|
vga_out8(0x3c5, vga_in8(0x3c5, par) | 0x10, par);
|
|
break;
|
|
case FB_BLANK_VSYNC_SUSPEND:
|
|
case FB_BLANK_HSYNC_SUSPEND:
|
|
case FB_BLANK_POWERDOWN:
|
|
vga_out8(0x3c4, 0x31, par); /* SR31 bit 4 - FP enable */
|
|
vga_out8(0x3c5, vga_in8(0x3c5, par) & ~0x10, par);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return (blank == FB_BLANK_NORMAL) ? 1 : 0;
|
|
}
|
|
|
|
static int savagefb_open(struct fb_info *info, int user)
|
|
{
|
|
struct savagefb_par *par = info->par;
|
|
|
|
mutex_lock(&par->open_lock);
|
|
|
|
if (!par->open_count) {
|
|
memset(&par->vgastate, 0, sizeof(par->vgastate));
|
|
par->vgastate.flags = VGA_SAVE_CMAP | VGA_SAVE_FONTS |
|
|
VGA_SAVE_MODE;
|
|
par->vgastate.vgabase = par->mmio.vbase + 0x8000;
|
|
save_vga(&par->vgastate);
|
|
savage_get_default_par(par, &par->initial);
|
|
}
|
|
|
|
par->open_count++;
|
|
mutex_unlock(&par->open_lock);
|
|
return 0;
|
|
}
|
|
|
|
static int savagefb_release(struct fb_info *info, int user)
|
|
{
|
|
struct savagefb_par *par = info->par;
|
|
|
|
mutex_lock(&par->open_lock);
|
|
|
|
if (par->open_count == 1) {
|
|
savage_set_default_par(par, &par->initial);
|
|
restore_vga(&par->vgastate);
|
|
}
|
|
|
|
par->open_count--;
|
|
mutex_unlock(&par->open_lock);
|
|
return 0;
|
|
}
|
|
|
|
static struct fb_ops savagefb_ops = {
|
|
.owner = THIS_MODULE,
|
|
.fb_open = savagefb_open,
|
|
.fb_release = savagefb_release,
|
|
.fb_check_var = savagefb_check_var,
|
|
.fb_set_par = savagefb_set_par,
|
|
.fb_setcolreg = savagefb_setcolreg,
|
|
.fb_pan_display = savagefb_pan_display,
|
|
.fb_blank = savagefb_blank,
|
|
#if defined(CONFIG_FB_SAVAGE_ACCEL)
|
|
.fb_fillrect = savagefb_fillrect,
|
|
.fb_copyarea = savagefb_copyarea,
|
|
.fb_imageblit = savagefb_imageblit,
|
|
.fb_sync = savagefb_sync,
|
|
#else
|
|
.fb_fillrect = cfb_fillrect,
|
|
.fb_copyarea = cfb_copyarea,
|
|
.fb_imageblit = cfb_imageblit,
|
|
#endif
|
|
};
|
|
|
|
/* --------------------------------------------------------------------- */
|
|
|
|
static struct fb_var_screeninfo __devinitdata savagefb_var800x600x8 = {
|
|
.accel_flags = FB_ACCELF_TEXT,
|
|
.xres = 800,
|
|
.yres = 600,
|
|
.xres_virtual = 800,
|
|
.yres_virtual = 600,
|
|
.bits_per_pixel = 8,
|
|
.pixclock = 25000,
|
|
.left_margin = 88,
|
|
.right_margin = 40,
|
|
.upper_margin = 23,
|
|
.lower_margin = 1,
|
|
.hsync_len = 128,
|
|
.vsync_len = 4,
|
|
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
.vmode = FB_VMODE_NONINTERLACED
|
|
};
|
|
|
|
static void savage_enable_mmio(struct savagefb_par *par)
|
|
{
|
|
unsigned char val;
|
|
|
|
DBG("savage_enable_mmio\n");
|
|
|
|
val = vga_in8(0x3c3, par);
|
|
vga_out8(0x3c3, val | 0x01, par);
|
|
val = vga_in8(0x3cc, par);
|
|
vga_out8(0x3c2, val | 0x01, par);
|
|
|
|
if (par->chip >= S3_SAVAGE4) {
|
|
vga_out8(0x3d4, 0x40, par);
|
|
val = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d5, val | 1, par);
|
|
}
|
|
}
|
|
|
|
|
|
static void savage_disable_mmio(struct savagefb_par *par)
|
|
{
|
|
unsigned char val;
|
|
|
|
DBG("savage_disable_mmio\n");
|
|
|
|
if (par->chip >= S3_SAVAGE4) {
|
|
vga_out8(0x3d4, 0x40, par);
|
|
val = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d5, val | 1, par);
|
|
}
|
|
}
|
|
|
|
|
|
static int __devinit savage_map_mmio(struct fb_info *info)
|
|
{
|
|
struct savagefb_par *par = info->par;
|
|
DBG("savage_map_mmio");
|
|
|
|
if (S3_SAVAGE3D_SERIES(par->chip))
|
|
par->mmio.pbase = pci_resource_start(par->pcidev, 0) +
|
|
SAVAGE_NEWMMIO_REGBASE_S3;
|
|
else
|
|
par->mmio.pbase = pci_resource_start(par->pcidev, 0) +
|
|
SAVAGE_NEWMMIO_REGBASE_S4;
|
|
|
|
par->mmio.len = SAVAGE_NEWMMIO_REGSIZE;
|
|
|
|
par->mmio.vbase = ioremap(par->mmio.pbase, par->mmio.len);
|
|
if (!par->mmio.vbase) {
|
|
printk("savagefb: unable to map memory mapped IO\n");
|
|
return -ENOMEM;
|
|
} else
|
|
printk(KERN_INFO "savagefb: mapped io at %p\n",
|
|
par->mmio.vbase);
|
|
|
|
info->fix.mmio_start = par->mmio.pbase;
|
|
info->fix.mmio_len = par->mmio.len;
|
|
|
|
par->bci_base = (u32 __iomem *)(par->mmio.vbase + BCI_BUFFER_OFFSET);
|
|
par->bci_ptr = 0;
|
|
|
|
savage_enable_mmio(par);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void savage_unmap_mmio(struct fb_info *info)
|
|
{
|
|
struct savagefb_par *par = info->par;
|
|
DBG("savage_unmap_mmio");
|
|
|
|
savage_disable_mmio(par);
|
|
|
|
if (par->mmio.vbase) {
|
|
iounmap(par->mmio.vbase);
|
|
par->mmio.vbase = NULL;
|
|
}
|
|
}
|
|
|
|
static int __devinit savage_map_video(struct fb_info *info,
|
|
int video_len)
|
|
{
|
|
struct savagefb_par *par = info->par;
|
|
int resource;
|
|
|
|
DBG("savage_map_video");
|
|
|
|
if (S3_SAVAGE3D_SERIES(par->chip))
|
|
resource = 0;
|
|
else
|
|
resource = 1;
|
|
|
|
par->video.pbase = pci_resource_start(par->pcidev, resource);
|
|
par->video.len = video_len;
|
|
par->video.vbase = ioremap(par->video.pbase, par->video.len);
|
|
|
|
if (!par->video.vbase) {
|
|
printk("savagefb: unable to map screen memory\n");
|
|
return -ENOMEM;
|
|
} else
|
|
printk(KERN_INFO "savagefb: mapped framebuffer at %p, "
|
|
"pbase == %x\n", par->video.vbase, par->video.pbase);
|
|
|
|
info->fix.smem_start = par->video.pbase;
|
|
info->fix.smem_len = par->video.len - par->cob_size;
|
|
info->screen_base = par->video.vbase;
|
|
|
|
#ifdef CONFIG_MTRR
|
|
par->video.mtrr = mtrr_add(par->video.pbase, video_len,
|
|
MTRR_TYPE_WRCOMB, 1);
|
|
#endif
|
|
|
|
/* Clear framebuffer, it's all white in memory after boot */
|
|
memset_io(par->video.vbase, 0, par->video.len);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void savage_unmap_video(struct fb_info *info)
|
|
{
|
|
struct savagefb_par *par = info->par;
|
|
|
|
DBG("savage_unmap_video");
|
|
|
|
if (par->video.vbase) {
|
|
#ifdef CONFIG_MTRR
|
|
mtrr_del(par->video.mtrr, par->video.pbase, par->video.len);
|
|
#endif
|
|
|
|
iounmap(par->video.vbase);
|
|
par->video.vbase = NULL;
|
|
info->screen_base = NULL;
|
|
}
|
|
}
|
|
|
|
static int savage_init_hw(struct savagefb_par *par)
|
|
{
|
|
unsigned char config1, m, n, n1, n2, sr8, cr3f, cr66 = 0, tmp;
|
|
|
|
static unsigned char RamSavage3D[] = { 8, 4, 4, 2 };
|
|
static unsigned char RamSavage4[] = { 2, 4, 8, 12, 16, 32, 64, 32 };
|
|
static unsigned char RamSavageMX[] = { 2, 8, 4, 16, 8, 16, 4, 16 };
|
|
static unsigned char RamSavageNB[] = { 0, 2, 4, 8, 16, 32, 2, 2 };
|
|
int videoRam, videoRambytes, dvi;
|
|
|
|
DBG("savage_init_hw");
|
|
|
|
/* unprotect CRTC[0-7] */
|
|
vga_out8(0x3d4, 0x11, par);
|
|
tmp = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d5, tmp & 0x7f, par);
|
|
|
|
/* unlock extended regs */
|
|
vga_out16(0x3d4, 0x4838, par);
|
|
vga_out16(0x3d4, 0xa039, par);
|
|
vga_out16(0x3c4, 0x0608, par);
|
|
|
|
vga_out8(0x3d4, 0x40, par);
|
|
tmp = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d5, tmp & ~0x01, par);
|
|
|
|
/* unlock sys regs */
|
|
vga_out8(0x3d4, 0x38, par);
|
|
vga_out8(0x3d5, 0x48, par);
|
|
|
|
/* Unlock system registers. */
|
|
vga_out16(0x3d4, 0x4838, par);
|
|
|
|
/* Next go on to detect amount of installed ram */
|
|
|
|
vga_out8(0x3d4, 0x36, par); /* for register CR36 (CONFG_REG1), */
|
|
config1 = vga_in8(0x3d5, par); /* get amount of vram installed */
|
|
|
|
/* Compute the amount of video memory and offscreen memory. */
|
|
|
|
switch (par->chip) {
|
|
case S3_SAVAGE3D:
|
|
videoRam = RamSavage3D[(config1 & 0xC0) >> 6 ] * 1024;
|
|
break;
|
|
|
|
case S3_SAVAGE4:
|
|
/*
|
|
* The Savage4 has one ugly special case to consider. On
|
|
* systems with 4 banks of 2Mx32 SDRAM, the BIOS says 4MB
|
|
* when it really means 8MB. Why do it the same when you
|
|
* can do it different...
|
|
*/
|
|
vga_out8(0x3d4, 0x68, par); /* memory control 1 */
|
|
if ((vga_in8(0x3d5, par) & 0xC0) == (0x01 << 6))
|
|
RamSavage4[1] = 8;
|
|
|
|
/*FALLTHROUGH*/
|
|
|
|
case S3_SAVAGE2000:
|
|
videoRam = RamSavage4[(config1 & 0xE0) >> 5] * 1024;
|
|
break;
|
|
|
|
case S3_SAVAGE_MX:
|
|
case S3_SUPERSAVAGE:
|
|
videoRam = RamSavageMX[(config1 & 0x0E) >> 1] * 1024;
|
|
break;
|
|
|
|
case S3_PROSAVAGE:
|
|
case S3_PROSAVAGEDDR:
|
|
case S3_TWISTER:
|
|
videoRam = RamSavageNB[(config1 & 0xE0) >> 5] * 1024;
|
|
break;
|
|
|
|
default:
|
|
/* How did we get here? */
|
|
videoRam = 0;
|
|
break;
|
|
}
|
|
|
|
videoRambytes = videoRam * 1024;
|
|
|
|
printk(KERN_INFO "savagefb: probed videoram: %dk\n", videoRam);
|
|
|
|
/* reset graphics engine to avoid memory corruption */
|
|
vga_out8(0x3d4, 0x66, par);
|
|
cr66 = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d5, cr66 | 0x02, par);
|
|
udelay(10000);
|
|
|
|
vga_out8(0x3d4, 0x66, par);
|
|
vga_out8(0x3d5, cr66 & ~0x02, par); /* clear reset flag */
|
|
udelay(10000);
|
|
|
|
|
|
/*
|
|
* reset memory interface, 3D engine, AGP master, PCI master,
|
|
* master engine unit, motion compensation/LPB
|
|
*/
|
|
vga_out8(0x3d4, 0x3f, par);
|
|
cr3f = vga_in8(0x3d5, par);
|
|
vga_out8(0x3d5, cr3f | 0x08, par);
|
|
udelay(10000);
|
|
|
|
vga_out8(0x3d4, 0x3f, par);
|
|
vga_out8(0x3d5, cr3f & ~0x08, par); /* clear reset flags */
|
|
udelay(10000);
|
|
|
|
/* Savage ramdac speeds */
|
|
par->numClocks = 4;
|
|
par->clock[0] = 250000;
|
|
par->clock[1] = 250000;
|
|
par->clock[2] = 220000;
|
|
par->clock[3] = 220000;
|
|
|
|
/* detect current mclk */
|
|
vga_out8(0x3c4, 0x08, par);
|
|
sr8 = vga_in8(0x3c5, par);
|
|
vga_out8(0x3c5, 0x06, par);
|
|
vga_out8(0x3c4, 0x10, par);
|
|
n = vga_in8(0x3c5, par);
|
|
vga_out8(0x3c4, 0x11, par);
|
|
m = vga_in8(0x3c5, par);
|
|
vga_out8(0x3c4, 0x08, par);
|
|
vga_out8(0x3c5, sr8, par);
|
|
m &= 0x7f;
|
|
n1 = n & 0x1f;
|
|
n2 = (n >> 5) & 0x03;
|
|
par->MCLK = ((1431818 * (m+2)) / (n1+2) / (1 << n2) + 50) / 100;
|
|
printk(KERN_INFO "savagefb: Detected current MCLK value of %d kHz\n",
|
|
par->MCLK);
|
|
|
|
/* check for DVI/flat panel */
|
|
dvi = 0;
|
|
|
|
if (par->chip == S3_SAVAGE4) {
|
|
unsigned char sr30 = 0x00;
|
|
|
|
vga_out8(0x3c4, 0x30, par);
|
|
/* clear bit 1 */
|
|
vga_out8(0x3c5, vga_in8(0x3c5, par) & ~0x02, par);
|
|
sr30 = vga_in8(0x3c5, par);
|
|
if (sr30 & 0x02 /*0x04 */) {
|
|
dvi = 1;
|
|
printk("savagefb: Digital Flat Panel Detected\n");
|
|
}
|
|
}
|
|
|
|
if ((S3_SAVAGE_MOBILE_SERIES(par->chip) ||
|
|
S3_MOBILE_TWISTER_SERIES(par->chip)) && !par->crtonly)
|
|
par->display_type = DISP_LCD;
|
|
else if (dvi || (par->chip == S3_SAVAGE4 && par->dvi))
|
|
par->display_type = DISP_DFP;
|
|
else
|
|
par->display_type = DISP_CRT;
|
|
|
|
/* Check LCD panel parrmation */
|
|
|
|
if (par->display_type == DISP_LCD) {
|
|
unsigned char cr6b = VGArCR(0x6b, par);
|
|
|
|
int panelX = (VGArSEQ(0x61, par) +
|
|
((VGArSEQ(0x66, par) & 0x02) << 7) + 1) * 8;
|
|
int panelY = (VGArSEQ(0x69, par) +
|
|
((VGArSEQ(0x6e, par) & 0x70) << 4) + 1);
|
|
|
|
char * sTechnology = "Unknown";
|
|
|
|
/* OK, I admit it. I don't know how to limit the max dot clock
|
|
* for LCD panels of various sizes. I thought I copied the
|
|
* formula from the BIOS, but many users have parrmed me of
|
|
* my folly.
|
|
*
|
|
* Instead, I'll abandon any attempt to automatically limit the
|
|
* clock, and add an LCDClock option to XF86Config. Some day,
|
|
* I should come back to this.
|
|
*/
|
|
|
|
enum ACTIVE_DISPLAYS { /* These are the bits in CR6B */
|
|
ActiveCRT = 0x01,
|
|
ActiveLCD = 0x02,
|
|
ActiveTV = 0x04,
|
|
ActiveCRT2 = 0x20,
|
|
ActiveDUO = 0x80
|
|
};
|
|
|
|
if ((VGArSEQ(0x39, par) & 0x03) == 0) {
|
|
sTechnology = "TFT";
|
|
} else if ((VGArSEQ(0x30, par) & 0x01) == 0) {
|
|
sTechnology = "DSTN";
|
|
} else {
|
|
sTechnology = "STN";
|
|
}
|
|
|
|
printk(KERN_INFO "savagefb: %dx%d %s LCD panel detected %s\n",
|
|
panelX, panelY, sTechnology,
|
|
cr6b & ActiveLCD ? "and active" : "but not active");
|
|
|
|
if (cr6b & ActiveLCD) {
|
|
/*
|
|
* If the LCD is active and panel expansion is enabled,
|
|
* we probably want to kill the HW cursor.
|
|
*/
|
|
|
|
printk(KERN_INFO "savagefb: Limiting video mode to "
|
|
"%dx%d\n", panelX, panelY);
|
|
|
|
par->SavagePanelWidth = panelX;
|
|
par->SavagePanelHeight = panelY;
|
|
|
|
} else
|
|
par->display_type = DISP_CRT;
|
|
}
|
|
|
|
savage_get_default_par(par, &par->state);
|
|
par->save = par->state;
|
|
|
|
if (S3_SAVAGE4_SERIES(par->chip)) {
|
|
/*
|
|
* The Savage4 and ProSavage have COB coherency bugs which
|
|
* render the buffer useless. We disable it.
|
|
*/
|
|
par->cob_index = 2;
|
|
par->cob_size = 0x8000 << par->cob_index;
|
|
par->cob_offset = videoRambytes;
|
|
} else {
|
|
/* We use 128kB for the COB on all chips. */
|
|
|
|
par->cob_index = 7;
|
|
par->cob_size = 0x400 << par->cob_index;
|
|
par->cob_offset = videoRambytes - par->cob_size;
|
|
}
|
|
|
|
return videoRambytes;
|
|
}
|
|
|
|
static int __devinit savage_init_fb_info(struct fb_info *info,
|
|
struct pci_dev *dev,
|
|
const struct pci_device_id *id)
|
|
{
|
|
struct savagefb_par *par = info->par;
|
|
int err = 0;
|
|
|
|
par->pcidev = dev;
|
|
|
|
info->fix.type = FB_TYPE_PACKED_PIXELS;
|
|
info->fix.type_aux = 0;
|
|
info->fix.ypanstep = 1;
|
|
info->fix.ywrapstep = 0;
|
|
info->fix.accel = id->driver_data;
|
|
|
|
switch (info->fix.accel) {
|
|
case FB_ACCEL_SUPERSAVAGE:
|
|
par->chip = S3_SUPERSAVAGE;
|
|
snprintf(info->fix.id, 16, "SuperSavage");
|
|
break;
|
|
case FB_ACCEL_SAVAGE4:
|
|
par->chip = S3_SAVAGE4;
|
|
snprintf(info->fix.id, 16, "Savage4");
|
|
break;
|
|
case FB_ACCEL_SAVAGE3D:
|
|
par->chip = S3_SAVAGE3D;
|
|
snprintf(info->fix.id, 16, "Savage3D");
|
|
break;
|
|
case FB_ACCEL_SAVAGE3D_MV:
|
|
par->chip = S3_SAVAGE3D;
|
|
snprintf(info->fix.id, 16, "Savage3D-MV");
|
|
break;
|
|
case FB_ACCEL_SAVAGE2000:
|
|
par->chip = S3_SAVAGE2000;
|
|
snprintf(info->fix.id, 16, "Savage2000");
|
|
break;
|
|
case FB_ACCEL_SAVAGE_MX_MV:
|
|
par->chip = S3_SAVAGE_MX;
|
|
snprintf(info->fix.id, 16, "Savage/MX-MV");
|
|
break;
|
|
case FB_ACCEL_SAVAGE_MX:
|
|
par->chip = S3_SAVAGE_MX;
|
|
snprintf(info->fix.id, 16, "Savage/MX");
|
|
break;
|
|
case FB_ACCEL_SAVAGE_IX_MV:
|
|
par->chip = S3_SAVAGE_MX;
|
|
snprintf(info->fix.id, 16, "Savage/IX-MV");
|
|
break;
|
|
case FB_ACCEL_SAVAGE_IX:
|
|
par->chip = S3_SAVAGE_MX;
|
|
snprintf(info->fix.id, 16, "Savage/IX");
|
|
break;
|
|
case FB_ACCEL_PROSAVAGE_PM:
|
|
par->chip = S3_PROSAVAGE;
|
|
snprintf(info->fix.id, 16, "ProSavagePM");
|
|
break;
|
|
case FB_ACCEL_PROSAVAGE_KM:
|
|
par->chip = S3_PROSAVAGE;
|
|
snprintf(info->fix.id, 16, "ProSavageKM");
|
|
break;
|
|
case FB_ACCEL_S3TWISTER_P:
|
|
par->chip = S3_TWISTER;
|
|
snprintf(info->fix.id, 16, "TwisterP");
|
|
break;
|
|
case FB_ACCEL_S3TWISTER_K:
|
|
par->chip = S3_TWISTER;
|
|
snprintf(info->fix.id, 16, "TwisterK");
|
|
break;
|
|
case FB_ACCEL_PROSAVAGE_DDR:
|
|
par->chip = S3_PROSAVAGEDDR;
|
|
snprintf(info->fix.id, 16, "ProSavageDDR");
|
|
break;
|
|
case FB_ACCEL_PROSAVAGE_DDRK:
|
|
par->chip = S3_PROSAVAGEDDR;
|
|
snprintf(info->fix.id, 16, "ProSavage8");
|
|
break;
|
|
}
|
|
|
|
if (S3_SAVAGE3D_SERIES(par->chip)) {
|
|
par->SavageWaitIdle = savage3D_waitidle;
|
|
par->SavageWaitFifo = savage3D_waitfifo;
|
|
} else if (S3_SAVAGE4_SERIES(par->chip) ||
|
|
S3_SUPERSAVAGE == par->chip) {
|
|
par->SavageWaitIdle = savage4_waitidle;
|
|
par->SavageWaitFifo = savage4_waitfifo;
|
|
} else {
|
|
par->SavageWaitIdle = savage2000_waitidle;
|
|
par->SavageWaitFifo = savage2000_waitfifo;
|
|
}
|
|
|
|
info->var.nonstd = 0;
|
|
info->var.activate = FB_ACTIVATE_NOW;
|
|
info->var.width = -1;
|
|
info->var.height = -1;
|
|
info->var.accel_flags = 0;
|
|
|
|
info->fbops = &savagefb_ops;
|
|
info->flags = FBINFO_DEFAULT |
|
|
FBINFO_HWACCEL_YPAN |
|
|
FBINFO_HWACCEL_XPAN;
|
|
|
|
info->pseudo_palette = par->pseudo_palette;
|
|
|
|
#if defined(CONFIG_FB_SAVAGE_ACCEL)
|
|
/* FIFO size + padding for commands */
|
|
info->pixmap.addr = kcalloc(8, 1024, GFP_KERNEL);
|
|
|
|
err = -ENOMEM;
|
|
if (info->pixmap.addr) {
|
|
info->pixmap.size = 8*1024;
|
|
info->pixmap.scan_align = 4;
|
|
info->pixmap.buf_align = 4;
|
|
info->pixmap.access_align = 32;
|
|
|
|
err = fb_alloc_cmap(&info->cmap, NR_PALETTE, 0);
|
|
if (!err)
|
|
info->flags |= FBINFO_HWACCEL_COPYAREA |
|
|
FBINFO_HWACCEL_FILLRECT |
|
|
FBINFO_HWACCEL_IMAGEBLIT;
|
|
}
|
|
#endif
|
|
return err;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------- */
|
|
|
|
static int __devinit savagefb_probe(struct pci_dev* dev,
|
|
const struct pci_device_id* id)
|
|
{
|
|
struct fb_info *info;
|
|
struct savagefb_par *par;
|
|
u_int h_sync, v_sync;
|
|
int err, lpitch;
|
|
int video_len;
|
|
|
|
DBG("savagefb_probe");
|
|
|
|
info = framebuffer_alloc(sizeof(struct savagefb_par), &dev->dev);
|
|
if (!info)
|
|
return -ENOMEM;
|
|
par = info->par;
|
|
mutex_init(&par->open_lock);
|
|
err = pci_enable_device(dev);
|
|
if (err)
|
|
goto failed_enable;
|
|
|
|
if ((err = pci_request_regions(dev, "savagefb"))) {
|
|
printk(KERN_ERR "cannot request PCI regions\n");
|
|
goto failed_enable;
|
|
}
|
|
|
|
err = -ENOMEM;
|
|
|
|
if ((err = savage_init_fb_info(info, dev, id)))
|
|
goto failed_init;
|
|
|
|
err = savage_map_mmio(info);
|
|
if (err)
|
|
goto failed_mmio;
|
|
|
|
video_len = savage_init_hw(par);
|
|
/* FIXME: can't be negative */
|
|
if (video_len < 0) {
|
|
err = video_len;
|
|
goto failed_mmio;
|
|
}
|
|
|
|
err = savage_map_video(info, video_len);
|
|
if (err)
|
|
goto failed_video;
|
|
|
|
INIT_LIST_HEAD(&info->modelist);
|
|
#if defined(CONFIG_FB_SAVAGE_I2C)
|
|
savagefb_create_i2c_busses(info);
|
|
savagefb_probe_i2c_connector(info, &par->edid);
|
|
fb_edid_to_monspecs(par->edid, &info->monspecs);
|
|
kfree(par->edid);
|
|
fb_videomode_to_modelist(info->monspecs.modedb,
|
|
info->monspecs.modedb_len,
|
|
&info->modelist);
|
|
#endif
|
|
info->var = savagefb_var800x600x8;
|
|
/* if a panel was detected, default to a CVT mode instead */
|
|
if (par->SavagePanelWidth) {
|
|
struct fb_videomode cvt_mode;
|
|
|
|
memset(&cvt_mode, 0, sizeof(cvt_mode));
|
|
cvt_mode.xres = par->SavagePanelWidth;
|
|
cvt_mode.yres = par->SavagePanelHeight;
|
|
cvt_mode.refresh = 60;
|
|
/* FIXME: if we know there is only the panel
|
|
* we can enable reduced blanking as well */
|
|
if (fb_find_mode_cvt(&cvt_mode, 0, 0))
|
|
printk(KERN_WARNING "No CVT mode found for panel\n");
|
|
else if (fb_find_mode(&info->var, info, NULL, NULL, 0,
|
|
&cvt_mode, 0) != 3)
|
|
info->var = savagefb_var800x600x8;
|
|
}
|
|
|
|
if (mode_option) {
|
|
fb_find_mode(&info->var, info, mode_option,
|
|
info->monspecs.modedb, info->monspecs.modedb_len,
|
|
NULL, 8);
|
|
} else if (info->monspecs.modedb != NULL) {
|
|
const struct fb_videomode *mode;
|
|
|
|
mode = fb_find_best_display(&info->monspecs, &info->modelist);
|
|
savage_update_var(&info->var, mode);
|
|
}
|
|
|
|
/* 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;
|
|
|
|
if (info->var.yres_virtual < info->var.yres)
|
|
goto failed;
|
|
|
|
#if defined(CONFIG_FB_SAVAGE_ACCEL)
|
|
/*
|
|
* The clipping coordinates are masked with 0xFFF, so limit our
|
|
* virtual resolutions to these sizes.
|
|
*/
|
|
if (info->var.yres_virtual > 0x1000)
|
|
info->var.yres_virtual = 0x1000;
|
|
|
|
if (info->var.xres_virtual > 0x1000)
|
|
info->var.xres_virtual = 0x1000;
|
|
#endif
|
|
savagefb_check_var(&info->var, info);
|
|
savagefb_set_fix(info);
|
|
|
|
/*
|
|
* Calculate the hsync and vsync frequencies. Note that
|
|
* we split the 1e12 constant up so that we can preserve
|
|
* the precision and fit the results into 32-bit registers.
|
|
* (1953125000 * 512 = 1e12)
|
|
*/
|
|
h_sync = 1953125000 / info->var.pixclock;
|
|
h_sync = h_sync * 512 / (info->var.xres + info->var.left_margin +
|
|
info->var.right_margin +
|
|
info->var.hsync_len);
|
|
v_sync = h_sync / (info->var.yres + info->var.upper_margin +
|
|
info->var.lower_margin + info->var.vsync_len);
|
|
|
|
printk(KERN_INFO "savagefb v" SAVAGEFB_VERSION ": "
|
|
"%dkB VRAM, using %dx%d, %d.%03dkHz, %dHz\n",
|
|
info->fix.smem_len >> 10,
|
|
info->var.xres, info->var.yres,
|
|
h_sync / 1000, h_sync % 1000, v_sync);
|
|
|
|
|
|
fb_destroy_modedb(info->monspecs.modedb);
|
|
info->monspecs.modedb = NULL;
|
|
|
|
err = register_framebuffer(info);
|
|
if (err < 0)
|
|
goto failed;
|
|
|
|
printk(KERN_INFO "fb: S3 %s frame buffer device\n",
|
|
info->fix.id);
|
|
|
|
/*
|
|
* Our driver data
|
|
*/
|
|
pci_set_drvdata(dev, info);
|
|
|
|
return 0;
|
|
|
|
failed:
|
|
#ifdef CONFIG_FB_SAVAGE_I2C
|
|
savagefb_delete_i2c_busses(info);
|
|
#endif
|
|
fb_alloc_cmap(&info->cmap, 0, 0);
|
|
savage_unmap_video(info);
|
|
failed_video:
|
|
savage_unmap_mmio(info);
|
|
failed_mmio:
|
|
kfree(info->pixmap.addr);
|
|
failed_init:
|
|
pci_release_regions(dev);
|
|
failed_enable:
|
|
framebuffer_release(info);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void __devexit savagefb_remove(struct pci_dev *dev)
|
|
{
|
|
struct fb_info *info = pci_get_drvdata(dev);
|
|
|
|
DBG("savagefb_remove");
|
|
|
|
if (info) {
|
|
/*
|
|
* If unregister_framebuffer fails, then
|
|
* we will be leaving hooks that could cause
|
|
* oopsen laying around.
|
|
*/
|
|
if (unregister_framebuffer(info))
|
|
printk(KERN_WARNING "savagefb: danger danger! "
|
|
"Oopsen imminent!\n");
|
|
|
|
#ifdef CONFIG_FB_SAVAGE_I2C
|
|
savagefb_delete_i2c_busses(info);
|
|
#endif
|
|
fb_alloc_cmap(&info->cmap, 0, 0);
|
|
savage_unmap_video(info);
|
|
savage_unmap_mmio(info);
|
|
kfree(info->pixmap.addr);
|
|
pci_release_regions(dev);
|
|
framebuffer_release(info);
|
|
|
|
/*
|
|
* Ensure that the driver data is no longer
|
|
* valid.
|
|
*/
|
|
pci_set_drvdata(dev, NULL);
|
|
}
|
|
}
|
|
|
|
static int savagefb_suspend(struct pci_dev *dev, pm_message_t mesg)
|
|
{
|
|
struct fb_info *info = pci_get_drvdata(dev);
|
|
struct savagefb_par *par = info->par;
|
|
|
|
DBG("savagefb_suspend");
|
|
|
|
if (mesg.event == PM_EVENT_PRETHAW)
|
|
mesg.event = PM_EVENT_FREEZE;
|
|
par->pm_state = mesg.event;
|
|
dev->dev.power.power_state = mesg;
|
|
|
|
/*
|
|
* For PM_EVENT_FREEZE, do not power down so the console
|
|
* can remain active.
|
|
*/
|
|
if (mesg.event == PM_EVENT_FREEZE)
|
|
return 0;
|
|
|
|
console_lock();
|
|
fb_set_suspend(info, 1);
|
|
|
|
if (info->fbops->fb_sync)
|
|
info->fbops->fb_sync(info);
|
|
|
|
savagefb_blank(FB_BLANK_POWERDOWN, info);
|
|
savage_set_default_par(par, &par->save);
|
|
savage_disable_mmio(par);
|
|
pci_save_state(dev);
|
|
pci_disable_device(dev);
|
|
pci_set_power_state(dev, pci_choose_state(dev, mesg));
|
|
console_unlock();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int savagefb_resume(struct pci_dev* dev)
|
|
{
|
|
struct fb_info *info = pci_get_drvdata(dev);
|
|
struct savagefb_par *par = info->par;
|
|
int cur_state = par->pm_state;
|
|
|
|
DBG("savage_resume");
|
|
|
|
par->pm_state = PM_EVENT_ON;
|
|
|
|
/*
|
|
* The adapter was not powered down coming back from a
|
|
* PM_EVENT_FREEZE.
|
|
*/
|
|
if (cur_state == PM_EVENT_FREEZE) {
|
|
pci_set_power_state(dev, PCI_D0);
|
|
return 0;
|
|
}
|
|
|
|
console_lock();
|
|
|
|
pci_set_power_state(dev, PCI_D0);
|
|
pci_restore_state(dev);
|
|
|
|
if (pci_enable_device(dev))
|
|
DBG("err");
|
|
|
|
pci_set_master(dev);
|
|
savage_enable_mmio(par);
|
|
savage_init_hw(par);
|
|
savagefb_set_par(info);
|
|
fb_set_suspend(info, 0);
|
|
savagefb_blank(FB_BLANK_UNBLANK, info);
|
|
console_unlock();
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static struct pci_device_id savagefb_devices[] __devinitdata = {
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_MX128,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_MX64,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_MX64C,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_IX128SDR,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_IX128DDR,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_IX64SDR,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_IX64DDR,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_IXCSDR,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_SUPSAV_IXCDDR,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SUPERSAVAGE},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE4,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE4},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE3D,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE3D},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE3D_MV,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE3D_MV},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE2000,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE2000},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE_MX_MV,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE_MX_MV},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE_MX,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE_MX},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE_IX_MV,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE_IX_MV},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_SAVAGE_IX,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_SAVAGE_IX},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_PROSAVAGE_PM,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_PROSAVAGE_PM},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_PROSAVAGE_KM,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_PROSAVAGE_KM},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_S3TWISTER_P,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_S3TWISTER_P},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_S3TWISTER_K,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_S3TWISTER_K},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_PROSAVAGE_DDR,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_PROSAVAGE_DDR},
|
|
|
|
{PCI_VENDOR_ID_S3, PCI_CHIP_PROSAVAGE_DDRK,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, FB_ACCEL_PROSAVAGE_DDRK},
|
|
|
|
{0, 0, 0, 0, 0, 0, 0}
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pci, savagefb_devices);
|
|
|
|
static struct pci_driver savagefb_driver = {
|
|
.name = "savagefb",
|
|
.id_table = savagefb_devices,
|
|
.probe = savagefb_probe,
|
|
.suspend = savagefb_suspend,
|
|
.resume = savagefb_resume,
|
|
.remove = __devexit_p(savagefb_remove)
|
|
};
|
|
|
|
/* **************************** exit-time only **************************** */
|
|
|
|
static void __exit savage_done(void)
|
|
{
|
|
DBG("savage_done");
|
|
pci_unregister_driver(&savagefb_driver);
|
|
}
|
|
|
|
|
|
/* ************************* init in-kernel code ************************** */
|
|
|
|
static int __init savagefb_setup(char *options)
|
|
{
|
|
#ifndef MODULE
|
|
char *this_opt;
|
|
|
|
if (!options || !*options)
|
|
return 0;
|
|
|
|
while ((this_opt = strsep(&options, ",")) != NULL) {
|
|
mode_option = this_opt;
|
|
}
|
|
#endif /* !MODULE */
|
|
return 0;
|
|
}
|
|
|
|
static int __init savagefb_init(void)
|
|
{
|
|
char *option;
|
|
|
|
DBG("savagefb_init");
|
|
|
|
if (fb_get_options("savagefb", &option))
|
|
return -ENODEV;
|
|
|
|
savagefb_setup(option);
|
|
return pci_register_driver(&savagefb_driver);
|
|
|
|
}
|
|
|
|
module_init(savagefb_init);
|
|
module_exit(savage_done);
|
|
|
|
module_param(mode_option, charp, 0);
|
|
MODULE_PARM_DESC(mode_option, "Specify initial video mode");
|