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OpenCloudOS-Kernel/drivers/video/fbdev/matrox/matroxfb_base.c

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// SPDX-License-Identifier: GPL-2.0-only
/*
*
* Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400
*
* (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
*
* Portions Copyright (c) 2001 Matrox Graphics Inc.
*
* Version: 1.65 2002/08/14
*
* MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org>
*
* Contributors: "menion?" <menion@mindless.com>
* Betatesting, fixes, ideas
*
* "Kurt Garloff" <garloff@suse.de>
* Betatesting, fixes, ideas, videomodes, videomodes timmings
*
* "Tom Rini" <trini@kernel.crashing.org>
* MTRR stuff, PPC cleanups, betatesting, fixes, ideas
*
* "Bibek Sahu" <scorpio@dodds.net>
* Access device through readb|w|l and write b|w|l
* Extensive debugging stuff
*
* "Daniel Haun" <haund@usa.net>
* Testing, hardware cursor fixes
*
* "Scott Wood" <sawst46+@pitt.edu>
* Fixes
*
* "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de>
* Betatesting
*
* "Kelly French" <targon@hazmat.com>
* "Fernando Herrera" <fherrera@eurielec.etsit.upm.es>
* Betatesting, bug reporting
*
* "Pablo Bianucci" <pbian@pccp.com.ar>
* Fixes, ideas, betatesting
*
* "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es>
* Fixes, enhandcements, ideas, betatesting
*
* "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp>
* PPC betatesting, PPC support, backward compatibility
*
* "Paul Womar" <Paul@pwomar.demon.co.uk>
* "Owen Waller" <O.Waller@ee.qub.ac.uk>
* PPC betatesting
*
* "Thomas Pornin" <pornin@bolet.ens.fr>
* Alpha betatesting
*
* "Pieter van Leuven" <pvl@iae.nl>
* "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de>
* G100 testing
*
* "H. Peter Arvin" <hpa@transmeta.com>
* Ideas
*
* "Cort Dougan" <cort@cs.nmt.edu>
* CHRP fixes and PReP cleanup
*
* "Mark Vojkovich" <mvojkovi@ucsd.edu>
* G400 support
*
* "Samuel Hocevar" <sam@via.ecp.fr>
* Fixes
*
* "Anton Altaparmakov" <AntonA@bigfoot.com>
* G400 MAX/non-MAX distinction
*
* "Ken Aaker" <kdaaker@rchland.vnet.ibm.com>
* memtype extension (needed for GXT130P RS/6000 adapter)
*
* "Uns Lider" <unslider@miranda.org>
* G100 PLNWT fixes
*
* "Denis Zaitsev" <zzz@cd-club.ru>
* Fixes
*
* "Mike Pieper" <mike@pieper-family.de>
* TVOut enhandcements, V4L2 control interface.
*
* "Diego Biurrun" <diego@biurrun.de>
* DFP testing
*
* (following author is not in any relation with this code, but his code
* is included in this driver)
*
* Based on framebuffer driver for VBE 2.0 compliant graphic boards
* (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de>
*
* (following author is not in any relation with this code, but his ideas
* were used when writing this driver)
*
* FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk>
*
*/
#include <linux/version.h>
#include "matroxfb_base.h"
#include "matroxfb_misc.h"
#include "matroxfb_accel.h"
#include "matroxfb_DAC1064.h"
#include "matroxfb_Ti3026.h"
#include "matroxfb_maven.h"
#include "matroxfb_crtc2.h"
#include "matroxfb_g450.h"
#include <linux/matroxfb.h>
#include <linux/interrupt.h>
#include <linux/nvram.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
#ifdef CONFIG_PPC_PMAC
#include <asm/machdep.h>
static int default_vmode = VMODE_NVRAM;
static int default_cmode = CMODE_NVRAM;
#endif
static void matroxfb_unregister_device(struct matrox_fb_info* minfo);
/* --------------------------------------------------------------------- */
/*
* card parameters
*/
/* --------------------------------------------------------------------- */
static struct fb_var_screeninfo vesafb_defined = {
640,480,640,480,/* W,H, W, H (virtual) load xres,xres_virtual*/
0,0, /* virtual -> visible no offset */
8, /* depth -> load bits_per_pixel */
0, /* greyscale ? */
{0,0,0}, /* R */
{0,0,0}, /* G */
{0,0,0}, /* B */
{0,0,0}, /* transparency */
0, /* standard pixel format */
FB_ACTIVATE_NOW,
-1,-1,
FB_ACCELF_TEXT, /* accel flags */
39721L,48L,16L,33L,10L,
96L,2L,~0, /* No sync info */
FB_VMODE_NONINTERLACED,
};
/* --------------------------------------------------------------------- */
static void update_crtc2(struct matrox_fb_info *minfo, unsigned int pos)
{
struct matroxfb_dh_fb_info *info = minfo->crtc2.info;
/* Make sure that displays are compatible */
if (info && (info->fbcon.var.bits_per_pixel == minfo->fbcon.var.bits_per_pixel)
&& (info->fbcon.var.xres_virtual == minfo->fbcon.var.xres_virtual)
&& (info->fbcon.var.green.length == minfo->fbcon.var.green.length)
) {
switch (minfo->fbcon.var.bits_per_pixel) {
case 16:
case 32:
pos = pos * 8;
if (info->interlaced) {
mga_outl(0x3C2C, pos);
mga_outl(0x3C28, pos + minfo->fbcon.var.xres_virtual * minfo->fbcon.var.bits_per_pixel / 8);
} else {
mga_outl(0x3C28, pos);
}
break;
}
}
}
static void matroxfb_crtc1_panpos(struct matrox_fb_info *minfo)
{
if (minfo->crtc1.panpos >= 0) {
unsigned long flags;
int panpos;
matroxfb_DAC_lock_irqsave(flags);
panpos = minfo->crtc1.panpos;
if (panpos >= 0) {
unsigned int extvga_reg;
minfo->crtc1.panpos = -1; /* No update pending anymore */
extvga_reg = mga_inb(M_EXTVGA_INDEX);
mga_setr(M_EXTVGA_INDEX, 0x00, panpos);
if (extvga_reg != 0x00) {
mga_outb(M_EXTVGA_INDEX, extvga_reg);
}
}
matroxfb_DAC_unlock_irqrestore(flags);
}
}
static irqreturn_t matrox_irq(int irq, void *dev_id)
{
u_int32_t status;
int handled = 0;
struct matrox_fb_info *minfo = dev_id;
status = mga_inl(M_STATUS);
if (status & 0x20) {
mga_outl(M_ICLEAR, 0x20);
minfo->crtc1.vsync.cnt++;
matroxfb_crtc1_panpos(minfo);
wake_up_interruptible(&minfo->crtc1.vsync.wait);
handled = 1;
}
if (status & 0x200) {
mga_outl(M_ICLEAR, 0x200);
minfo->crtc2.vsync.cnt++;
wake_up_interruptible(&minfo->crtc2.vsync.wait);
handled = 1;
}
return IRQ_RETVAL(handled);
}
int matroxfb_enable_irq(struct matrox_fb_info *minfo, int reenable)
{
u_int32_t bm;
if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
bm = 0x220;
else
bm = 0x020;
if (!test_and_set_bit(0, &minfo->irq_flags)) {
if (request_irq(minfo->pcidev->irq, matrox_irq,
IRQF_SHARED, "matroxfb", minfo)) {
clear_bit(0, &minfo->irq_flags);
return -EINVAL;
}
/* Clear any pending field interrupts */
mga_outl(M_ICLEAR, bm);
mga_outl(M_IEN, mga_inl(M_IEN) | bm);
} else if (reenable) {
u_int32_t ien;
ien = mga_inl(M_IEN);
if ((ien & bm) != bm) {
printk(KERN_DEBUG "matroxfb: someone disabled IRQ [%08X]\n", ien);
mga_outl(M_IEN, ien | bm);
}
}
return 0;
}
static void matroxfb_disable_irq(struct matrox_fb_info *minfo)
{
if (test_and_clear_bit(0, &minfo->irq_flags)) {
/* Flush pending pan-at-vbl request... */
matroxfb_crtc1_panpos(minfo);
if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
mga_outl(M_IEN, mga_inl(M_IEN) & ~0x220);
else
mga_outl(M_IEN, mga_inl(M_IEN) & ~0x20);
free_irq(minfo->pcidev->irq, minfo);
}
}
int matroxfb_wait_for_sync(struct matrox_fb_info *minfo, u_int32_t crtc)
{
struct matrox_vsync *vs;
unsigned int cnt;
int ret;
switch (crtc) {
case 0:
vs = &minfo->crtc1.vsync;
break;
case 1:
if (minfo->devflags.accelerator != FB_ACCEL_MATROX_MGAG400) {
return -ENODEV;
}
vs = &minfo->crtc2.vsync;
break;
default:
return -ENODEV;
}
ret = matroxfb_enable_irq(minfo, 0);
if (ret) {
return ret;
}
cnt = vs->cnt;
ret = wait_event_interruptible_timeout(vs->wait, cnt != vs->cnt, HZ/10);
if (ret < 0) {
return ret;
}
if (ret == 0) {
matroxfb_enable_irq(minfo, 1);
return -ETIMEDOUT;
}
return 0;
}
/* --------------------------------------------------------------------- */
static void matrox_pan_var(struct matrox_fb_info *minfo,
struct fb_var_screeninfo *var)
{
unsigned int pos;
unsigned short p0, p1, p2;
unsigned int p3;
int vbl;
unsigned long flags;
CRITFLAGS
DBG(__func__)
if (minfo->dead)
return;
minfo->fbcon.var.xoffset = var->xoffset;
minfo->fbcon.var.yoffset = var->yoffset;
pos = (minfo->fbcon.var.yoffset * minfo->fbcon.var.xres_virtual + minfo->fbcon.var.xoffset) * minfo->curr.final_bppShift / 32;
pos += minfo->curr.ydstorg.chunks;
p0 = minfo->hw.CRTC[0x0D] = pos & 0xFF;
p1 = minfo->hw.CRTC[0x0C] = (pos & 0xFF00) >> 8;
p2 = minfo->hw.CRTCEXT[0] = (minfo->hw.CRTCEXT[0] & 0xB0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
p3 = minfo->hw.CRTCEXT[8] = pos >> 21;
/* FB_ACTIVATE_VBL and we can acquire interrupts? Honor FB_ACTIVATE_VBL then... */
vbl = (var->activate & FB_ACTIVATE_VBL) && (matroxfb_enable_irq(minfo, 0) == 0);
CRITBEGIN
matroxfb_DAC_lock_irqsave(flags);
mga_setr(M_CRTC_INDEX, 0x0D, p0);
mga_setr(M_CRTC_INDEX, 0x0C, p1);
if (minfo->devflags.support32MB)
mga_setr(M_EXTVGA_INDEX, 0x08, p3);
if (vbl) {
minfo->crtc1.panpos = p2;
} else {
/* Abort any pending change */
minfo->crtc1.panpos = -1;
mga_setr(M_EXTVGA_INDEX, 0x00, p2);
}
matroxfb_DAC_unlock_irqrestore(flags);
update_crtc2(minfo, pos);
CRITEND
}
static void matroxfb_remove(struct matrox_fb_info *minfo, int dummy)
{
/* Currently we are holding big kernel lock on all dead & usecount updates.
* Destroy everything after all users release it. Especially do not unregister
* framebuffer and iounmap memory, neither fbmem nor fbcon-cfb* does not check
* for device unplugged when in use.
* In future we should point mmio.vbase & video.vbase somewhere where we can
* write data without causing too much damage...
*/
minfo->dead = 1;
if (minfo->usecount) {
/* destroy it later */
return;
}
matroxfb_unregister_device(minfo);
unregister_framebuffer(&minfo->fbcon);
matroxfb_g450_shutdown(minfo);
arch_phys_wc_del(minfo->wc_cookie);
iounmap(minfo->mmio.vbase.vaddr);
iounmap(minfo->video.vbase.vaddr);
release_mem_region(minfo->video.base, minfo->video.len_maximum);
release_mem_region(minfo->mmio.base, 16384);
kfree(minfo);
}
/*
* Open/Release the frame buffer device
*/
static int matroxfb_open(struct fb_info *info, int user)
{
struct matrox_fb_info *minfo = info2minfo(info);
DBG_LOOP(__func__)
if (minfo->dead) {
return -ENXIO;
}
minfo->usecount++;
if (user) {
minfo->userusecount++;
}
return(0);
}
static int matroxfb_release(struct fb_info *info, int user)
{
struct matrox_fb_info *minfo = info2minfo(info);
DBG_LOOP(__func__)
if (user) {
if (0 == --minfo->userusecount) {
matroxfb_disable_irq(minfo);
}
}
if (!(--minfo->usecount) && minfo->dead) {
matroxfb_remove(minfo, 0);
}
return(0);
}
static int matroxfb_pan_display(struct fb_var_screeninfo *var,
struct fb_info* info) {
struct matrox_fb_info *minfo = info2minfo(info);
DBG(__func__)
matrox_pan_var(minfo, var);
return 0;
}
static int matroxfb_get_final_bppShift(const struct matrox_fb_info *minfo,
int bpp)
{
int bppshft2;
DBG(__func__)
bppshft2 = bpp;
if (!bppshft2) {
return 8;
}
if (isInterleave(minfo))
bppshft2 >>= 1;
if (minfo->devflags.video64bits)
bppshft2 >>= 1;
return bppshft2;
}
static int matroxfb_test_and_set_rounding(const struct matrox_fb_info *minfo,
int xres, int bpp)
{
int over;
int rounding;
DBG(__func__)
switch (bpp) {
case 0: return xres;
case 4: rounding = 128;
break;
case 8: rounding = 64; /* doc says 64; 32 is OK for G400 */
break;
case 16: rounding = 32;
break;
case 24: rounding = 64; /* doc says 64; 32 is OK for G400 */
break;
default: rounding = 16;
/* on G400, 16 really does not work */
if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
rounding = 32;
break;
}
if (isInterleave(minfo)) {
rounding *= 2;
}
over = xres % rounding;
if (over)
xres += rounding-over;
return xres;
}
static int matroxfb_pitch_adjust(const struct matrox_fb_info *minfo, int xres,
int bpp)
{
const int* width;
int xres_new;
DBG(__func__)
if (!bpp) return xres;
width = minfo->capable.vxres;
if (minfo->devflags.precise_width) {
while (*width) {
if ((*width >= xres) && (matroxfb_test_and_set_rounding(minfo, *width, bpp) == *width)) {
break;
}
width++;
}
xres_new = *width;
} else {
xres_new = matroxfb_test_and_set_rounding(minfo, xres, bpp);
}
return xres_new;
}
static int matroxfb_get_cmap_len(struct fb_var_screeninfo *var) {
DBG(__func__)
switch (var->bits_per_pixel) {
case 4:
return 16; /* pseudocolor... 16 entries HW palette */
case 8:
return 256; /* pseudocolor... 256 entries HW palette */
case 16:
return 16; /* directcolor... 16 entries SW palette */
/* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
case 24:
return 16; /* directcolor... 16 entries SW palette */
/* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
case 32:
return 16; /* directcolor... 16 entries SW palette */
/* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
}
return 16; /* return something reasonable... or panic()? */
}
static int matroxfb_decode_var(const struct matrox_fb_info *minfo,
struct fb_var_screeninfo *var, int *visual,
int *video_cmap_len, unsigned int* ydstorg)
{
struct RGBT {
unsigned char bpp;
struct {
unsigned char offset,
length;
} red,
green,
blue,
transp;
signed char visual;
};
static const struct RGBT table[]= {
{ 8,{ 0,8},{0,8},{0,8},{ 0,0},MX_VISUAL_PSEUDOCOLOR},
{15,{10,5},{5,5},{0,5},{15,1},MX_VISUAL_DIRECTCOLOR},
{16,{11,5},{5,6},{0,5},{ 0,0},MX_VISUAL_DIRECTCOLOR},
{24,{16,8},{8,8},{0,8},{ 0,0},MX_VISUAL_DIRECTCOLOR},
{32,{16,8},{8,8},{0,8},{24,8},MX_VISUAL_DIRECTCOLOR}
};
struct RGBT const *rgbt;
unsigned int bpp = var->bits_per_pixel;
unsigned int vramlen;
unsigned int memlen;
DBG(__func__)
switch (bpp) {
case 4: if (!minfo->capable.cfb4) return -EINVAL;
break;
case 8: break;
case 16: break;
case 24: break;
case 32: break;
default: return -EINVAL;
}
*ydstorg = 0;
vramlen = minfo->video.len_usable;
if (var->yres_virtual < var->yres)
var->yres_virtual = var->yres;
if (var->xres_virtual < var->xres)
var->xres_virtual = var->xres;
var->xres_virtual = matroxfb_pitch_adjust(minfo, var->xres_virtual, bpp);
memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
if (memlen > vramlen) {
var->yres_virtual = vramlen * 8 / (var->xres_virtual * bpp);
memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
}
/* There is hardware bug that no line can cross 4MB boundary */
/* give up for CFB24, it is impossible to easy workaround it */
/* for other try to do something */
if (!minfo->capable.cross4MB && (memlen > 0x400000)) {
if (bpp == 24) {
/* sorry */
} else {
unsigned int linelen;
unsigned int m1 = linelen = var->xres_virtual * bpp / 8;
unsigned int m2 = PAGE_SIZE; /* or 128 if you do not need PAGE ALIGNED address */
unsigned int max_yres;
while (m1) {
while (m2 >= m1) m2 -= m1;
swap(m1, m2);
}
m2 = linelen * PAGE_SIZE / m2;
*ydstorg = m2 = 0x400000 % m2;
max_yres = (vramlen - m2) / linelen;
if (var->yres_virtual > max_yres)
var->yres_virtual = max_yres;
}
}
/* YDSTLEN contains only signed 16bit value */
if (var->yres_virtual > 32767)
var->yres_virtual = 32767;
/* 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;
if (bpp == 16 && var->green.length == 5) {
bpp--; /* an artificial value - 15 */
}
for (rgbt = table; rgbt->bpp < bpp; rgbt++);
#define SETCLR(clr)\
var->clr.offset = rgbt->clr.offset;\
var->clr.length = rgbt->clr.length
SETCLR(red);
SETCLR(green);
SETCLR(blue);
SETCLR(transp);
#undef SETCLR
*visual = rgbt->visual;
if (bpp > 8)
dprintk("matroxfb: truecolor: "
"size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n",
var->transp.length, var->red.length, var->green.length, var->blue.length,
var->transp.offset, var->red.offset, var->green.offset, var->blue.offset);
*video_cmap_len = matroxfb_get_cmap_len(var);
dprintk(KERN_INFO "requested %d*%d/%dbpp (%d*%d)\n", var->xres, var->yres, var->bits_per_pixel,
var->xres_virtual, var->yres_virtual);
return 0;
}
static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
unsigned blue, unsigned transp,
struct fb_info *fb_info)
{
struct matrox_fb_info* minfo = container_of(fb_info, struct matrox_fb_info, fbcon);
DBG(__func__)
/*
* Set a single color register. The values supplied are
* already rounded down to the hardware's capabilities
* (according to the entries in the `var' structure). Return
* != 0 for invalid regno.
*/
if (regno >= minfo->curr.cmap_len)
return 1;
if (minfo->fbcon.var.grayscale) {
/* gray = 0.30*R + 0.59*G + 0.11*B */
red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
}
red = CNVT_TOHW(red, minfo->fbcon.var.red.length);
green = CNVT_TOHW(green, minfo->fbcon.var.green.length);
blue = CNVT_TOHW(blue, minfo->fbcon.var.blue.length);
transp = CNVT_TOHW(transp, minfo->fbcon.var.transp.length);
switch (minfo->fbcon.var.bits_per_pixel) {
case 4:
case 8:
mga_outb(M_DAC_REG, regno);
mga_outb(M_DAC_VAL, red);
mga_outb(M_DAC_VAL, green);
mga_outb(M_DAC_VAL, blue);
break;
case 16:
if (regno >= 16)
break;
{
u_int16_t col =
(red << minfo->fbcon.var.red.offset) |
(green << minfo->fbcon.var.green.offset) |
(blue << minfo->fbcon.var.blue.offset) |
(transp << minfo->fbcon.var.transp.offset); /* for 1:5:5:5 */
minfo->cmap[regno] = col | (col << 16);
}
break;
case 24:
case 32:
if (regno >= 16)
break;
minfo->cmap[regno] =
(red << minfo->fbcon.var.red.offset) |
(green << minfo->fbcon.var.green.offset) |
(blue << minfo->fbcon.var.blue.offset) |
(transp << minfo->fbcon.var.transp.offset); /* 8:8:8:8 */
break;
}
return 0;
}
static void matroxfb_init_fix(struct matrox_fb_info *minfo)
{
struct fb_fix_screeninfo *fix = &minfo->fbcon.fix;
DBG(__func__)
strcpy(fix->id,"MATROX");
fix->xpanstep = 8; /* 8 for 8bpp, 4 for 16bpp, 2 for 32bpp */
fix->ypanstep = 1;
fix->ywrapstep = 0;
fix->mmio_start = minfo->mmio.base;
fix->mmio_len = minfo->mmio.len;
fix->accel = minfo->devflags.accelerator;
}
static void matroxfb_update_fix(struct matrox_fb_info *minfo)
{
struct fb_fix_screeninfo *fix = &minfo->fbcon.fix;
DBG(__func__)
mutex_lock(&minfo->fbcon.mm_lock);
fix->smem_start = minfo->video.base + minfo->curr.ydstorg.bytes;
fix->smem_len = minfo->video.len_usable - minfo->curr.ydstorg.bytes;
mutex_unlock(&minfo->fbcon.mm_lock);
}
static int matroxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
int err;
int visual;
int cmap_len;
unsigned int ydstorg;
struct matrox_fb_info *minfo = info2minfo(info);
if (minfo->dead) {
return -ENXIO;
}
if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0)
return err;
return 0;
}
static int matroxfb_set_par(struct fb_info *info)
{
int err;
int visual;
int cmap_len;
unsigned int ydstorg;
struct fb_var_screeninfo *var;
struct matrox_fb_info *minfo = info2minfo(info);
DBG(__func__)
if (minfo->dead) {
return -ENXIO;
}
var = &info->var;
if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0)
return err;
minfo->fbcon.screen_base = vaddr_va(minfo->video.vbase) + ydstorg;
matroxfb_update_fix(minfo);
minfo->fbcon.fix.visual = visual;
minfo->fbcon.fix.type = FB_TYPE_PACKED_PIXELS;
minfo->fbcon.fix.type_aux = 0;
minfo->fbcon.fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3;
{
unsigned int pos;
minfo->curr.cmap_len = cmap_len;
ydstorg += minfo->devflags.ydstorg;
minfo->curr.ydstorg.bytes = ydstorg;
minfo->curr.ydstorg.chunks = ydstorg >> (isInterleave(minfo) ? 3 : 2);
if (var->bits_per_pixel == 4)
minfo->curr.ydstorg.pixels = ydstorg;
else
minfo->curr.ydstorg.pixels = (ydstorg * 8) / var->bits_per_pixel;
minfo->curr.final_bppShift = matroxfb_get_final_bppShift(minfo, var->bits_per_pixel);
{ struct my_timming mt;
struct matrox_hw_state* hw;
int out;
matroxfb_var2my(var, &mt);
mt.crtc = MATROXFB_SRC_CRTC1;
/* CRTC1 delays */
switch (var->bits_per_pixel) {
case 0: mt.delay = 31 + 0; break;
case 16: mt.delay = 21 + 8; break;
case 24: mt.delay = 17 + 8; break;
case 32: mt.delay = 16 + 8; break;
default: mt.delay = 31 + 8; break;
}
hw = &minfo->hw;
down_read(&minfo->altout.lock);
for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
minfo->outputs[out].output->compute) {
minfo->outputs[out].output->compute(minfo->outputs[out].data, &mt);
}
}
up_read(&minfo->altout.lock);
minfo->crtc1.pixclock = mt.pixclock;
minfo->crtc1.mnp = mt.mnp;
minfo->hw_switch->init(minfo, &mt);
pos = (var->yoffset * var->xres_virtual + var->xoffset) * minfo->curr.final_bppShift / 32;
pos += minfo->curr.ydstorg.chunks;
hw->CRTC[0x0D] = pos & 0xFF;
hw->CRTC[0x0C] = (pos & 0xFF00) >> 8;
hw->CRTCEXT[0] = (hw->CRTCEXT[0] & 0xF0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
hw->CRTCEXT[8] = pos >> 21;
minfo->hw_switch->restore(minfo);
update_crtc2(minfo, pos);
down_read(&minfo->altout.lock);
for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
minfo->outputs[out].output->program) {
minfo->outputs[out].output->program(minfo->outputs[out].data);
}
}
for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
minfo->outputs[out].output->start) {
minfo->outputs[out].output->start(minfo->outputs[out].data);
}
}
up_read(&minfo->altout.lock);
matrox_cfbX_init(minfo);
}
}
minfo->initialized = 1;
return 0;
}
static int matroxfb_get_vblank(struct matrox_fb_info *minfo,
struct fb_vblank *vblank)
{
unsigned int sts1;
matroxfb_enable_irq(minfo, 0);
memset(vblank, 0, sizeof(*vblank));
vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC |
FB_VBLANK_HAVE_VBLANK | FB_VBLANK_HAVE_HBLANK;
sts1 = mga_inb(M_INSTS1);
vblank->vcount = mga_inl(M_VCOUNT);
/* BTW, on my PIII/450 with G400, reading M_INSTS1
byte makes this call about 12% slower (1.70 vs. 2.05 us
per ioctl()) */
if (sts1 & 1)
vblank->flags |= FB_VBLANK_HBLANKING;
if (sts1 & 8)
vblank->flags |= FB_VBLANK_VSYNCING;
if (vblank->vcount >= minfo->fbcon.var.yres)
vblank->flags |= FB_VBLANK_VBLANKING;
if (test_bit(0, &minfo->irq_flags)) {
vblank->flags |= FB_VBLANK_HAVE_COUNT;
/* Only one writer, aligned int value...
it should work without lock and without atomic_t */
vblank->count = minfo->crtc1.vsync.cnt;
}
return 0;
}
static struct matrox_altout panellink_output = {
.name = "Panellink output",
};
static int matroxfb_ioctl(struct fb_info *info,
unsigned int cmd, unsigned long arg)
{
void __user *argp = (void __user *)arg;
struct matrox_fb_info *minfo = info2minfo(info);
DBG(__func__)
if (minfo->dead) {
return -ENXIO;
}
switch (cmd) {
case FBIOGET_VBLANK:
{
struct fb_vblank vblank;
int err;
err = matroxfb_get_vblank(minfo, &vblank);
if (err)
return err;
if (copy_to_user(argp, &vblank, sizeof(vblank)))
return -EFAULT;
return 0;
}
case FBIO_WAITFORVSYNC:
{
u_int32_t crt;
if (get_user(crt, (u_int32_t __user *)arg))
return -EFAULT;
return matroxfb_wait_for_sync(minfo, crt);
}
case MATROXFB_SET_OUTPUT_MODE:
{
struct matroxioc_output_mode mom;
struct matrox_altout *oproc;
int val;
if (copy_from_user(&mom, argp, sizeof(mom)))
return -EFAULT;
if (mom.output >= MATROXFB_MAX_OUTPUTS)
return -ENXIO;
down_read(&minfo->altout.lock);
oproc = minfo->outputs[mom.output].output;
if (!oproc) {
val = -ENXIO;
} else if (!oproc->verifymode) {
if (mom.mode == MATROXFB_OUTPUT_MODE_MONITOR) {
val = 0;
} else {
val = -EINVAL;
}
} else {
val = oproc->verifymode(minfo->outputs[mom.output].data, mom.mode);
}
if (!val) {
if (minfo->outputs[mom.output].mode != mom.mode) {
minfo->outputs[mom.output].mode = mom.mode;
val = 1;
}
}
up_read(&minfo->altout.lock);
if (val != 1)
return val;
switch (minfo->outputs[mom.output].src) {
case MATROXFB_SRC_CRTC1:
matroxfb_set_par(info);
break;
case MATROXFB_SRC_CRTC2:
{
struct matroxfb_dh_fb_info* crtc2;
down_read(&minfo->crtc2.lock);
crtc2 = minfo->crtc2.info;
if (crtc2)
crtc2->fbcon.fbops->fb_set_par(&crtc2->fbcon);
up_read(&minfo->crtc2.lock);
}
break;
}
return 0;
}
case MATROXFB_GET_OUTPUT_MODE:
{
struct matroxioc_output_mode mom;
struct matrox_altout *oproc;
int val;
if (copy_from_user(&mom, argp, sizeof(mom)))
return -EFAULT;
if (mom.output >= MATROXFB_MAX_OUTPUTS)
return -ENXIO;
down_read(&minfo->altout.lock);
oproc = minfo->outputs[mom.output].output;
if (!oproc) {
val = -ENXIO;
} else {
mom.mode = minfo->outputs[mom.output].mode;
val = 0;
}
up_read(&minfo->altout.lock);
if (val)
return val;
if (copy_to_user(argp, &mom, sizeof(mom)))
return -EFAULT;
return 0;
}
case MATROXFB_SET_OUTPUT_CONNECTION:
{
u_int32_t tmp;
int i;
int changes;
if (copy_from_user(&tmp, argp, sizeof(tmp)))
return -EFAULT;
for (i = 0; i < 32; i++) {
if (tmp & (1 << i)) {
if (i >= MATROXFB_MAX_OUTPUTS)
return -ENXIO;
if (!minfo->outputs[i].output)
return -ENXIO;
switch (minfo->outputs[i].src) {
case MATROXFB_SRC_NONE:
case MATROXFB_SRC_CRTC1:
break;
default:
return -EBUSY;
}
}
}
if (minfo->devflags.panellink) {
if (tmp & MATROXFB_OUTPUT_CONN_DFP) {
if (tmp & MATROXFB_OUTPUT_CONN_SECONDARY)
return -EINVAL;
for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
if (minfo->outputs[i].src == MATROXFB_SRC_CRTC2) {
return -EBUSY;
}
}
}
}
changes = 0;
for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
if (tmp & (1 << i)) {
if (minfo->outputs[i].src != MATROXFB_SRC_CRTC1) {
changes = 1;
minfo->outputs[i].src = MATROXFB_SRC_CRTC1;
}
} else if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) {
changes = 1;
minfo->outputs[i].src = MATROXFB_SRC_NONE;
}
}
if (!changes)
return 0;
matroxfb_set_par(info);
return 0;
}
case MATROXFB_GET_OUTPUT_CONNECTION:
{
u_int32_t conn = 0;
int i;
for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) {
conn |= 1 << i;
}
}
if (put_user(conn, (u_int32_t __user *)arg))
return -EFAULT;
return 0;
}
case MATROXFB_GET_AVAILABLE_OUTPUTS:
{
u_int32_t conn = 0;
int i;
for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
if (minfo->outputs[i].output) {
switch (minfo->outputs[i].src) {
case MATROXFB_SRC_NONE:
case MATROXFB_SRC_CRTC1:
conn |= 1 << i;
break;
}
}
}
if (minfo->devflags.panellink) {
if (conn & MATROXFB_OUTPUT_CONN_DFP)
conn &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
if (conn & MATROXFB_OUTPUT_CONN_SECONDARY)
conn &= ~MATROXFB_OUTPUT_CONN_DFP;
}
if (put_user(conn, (u_int32_t __user *)arg))
return -EFAULT;
return 0;
}
case MATROXFB_GET_ALL_OUTPUTS:
{
u_int32_t conn = 0;
int i;
for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
if (minfo->outputs[i].output) {
conn |= 1 << i;
}
}
if (put_user(conn, (u_int32_t __user *)arg))
return -EFAULT;
return 0;
}
case VIDIOC_QUERYCAP:
{
struct v4l2_capability r;
memset(&r, 0, sizeof(r));
strcpy(r.driver, "matroxfb");
strcpy(r.card, "Matrox");
sprintf(r.bus_info, "PCI:%s", pci_name(minfo->pcidev));
r.version = KERNEL_VERSION(1,0,0);
r.capabilities = V4L2_CAP_VIDEO_OUTPUT;
if (copy_to_user(argp, &r, sizeof(r)))
return -EFAULT;
return 0;
}
case VIDIOC_QUERYCTRL:
{
struct v4l2_queryctrl qctrl;
int err;
if (copy_from_user(&qctrl, argp, sizeof(qctrl)))
return -EFAULT;
down_read(&minfo->altout.lock);
if (!minfo->outputs[1].output) {
err = -ENXIO;
} else if (minfo->outputs[1].output->getqueryctrl) {
err = minfo->outputs[1].output->getqueryctrl(minfo->outputs[1].data, &qctrl);
} else {
err = -EINVAL;
}
up_read(&minfo->altout.lock);
if (err >= 0 &&
copy_to_user(argp, &qctrl, sizeof(qctrl)))
return -EFAULT;
return err;
}
case VIDIOC_G_CTRL:
{
struct v4l2_control ctrl;
int err;
if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
return -EFAULT;
down_read(&minfo->altout.lock);
if (!minfo->outputs[1].output) {
err = -ENXIO;
} else if (minfo->outputs[1].output->getctrl) {
err = minfo->outputs[1].output->getctrl(minfo->outputs[1].data, &ctrl);
} else {
err = -EINVAL;
}
up_read(&minfo->altout.lock);
if (err >= 0 &&
copy_to_user(argp, &ctrl, sizeof(ctrl)))
return -EFAULT;
return err;
}
case VIDIOC_S_CTRL:
{
struct v4l2_control ctrl;
int err;
if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
return -EFAULT;
down_read(&minfo->altout.lock);
if (!minfo->outputs[1].output) {
err = -ENXIO;
} else if (minfo->outputs[1].output->setctrl) {
err = minfo->outputs[1].output->setctrl(minfo->outputs[1].data, &ctrl);
} else {
err = -EINVAL;
}
up_read(&minfo->altout.lock);
return err;
}
}
return -ENOTTY;
}
/* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
static int matroxfb_blank(int blank, struct fb_info *info)
{
int seq;
int crtc;
CRITFLAGS
struct matrox_fb_info *minfo = info2minfo(info);
DBG(__func__)
if (minfo->dead)
return 1;
switch (blank) {
case FB_BLANK_NORMAL: seq = 0x20; crtc = 0x00; break; /* works ??? */
case FB_BLANK_VSYNC_SUSPEND: seq = 0x20; crtc = 0x10; break;
case FB_BLANK_HSYNC_SUSPEND: seq = 0x20; crtc = 0x20; break;
case FB_BLANK_POWERDOWN: seq = 0x20; crtc = 0x30; break;
default: seq = 0x00; crtc = 0x00; break;
}
CRITBEGIN
mga_outb(M_SEQ_INDEX, 1);
mga_outb(M_SEQ_DATA, (mga_inb(M_SEQ_DATA) & ~0x20) | seq);
mga_outb(M_EXTVGA_INDEX, 1);
mga_outb(M_EXTVGA_DATA, (mga_inb(M_EXTVGA_DATA) & ~0x30) | crtc);
CRITEND
return 0;
}
static const struct fb_ops matroxfb_ops = {
.owner = THIS_MODULE,
.fb_open = matroxfb_open,
.fb_release = matroxfb_release,
.fb_check_var = matroxfb_check_var,
.fb_set_par = matroxfb_set_par,
.fb_setcolreg = matroxfb_setcolreg,
.fb_pan_display =matroxfb_pan_display,
.fb_blank = matroxfb_blank,
.fb_ioctl = matroxfb_ioctl,
/* .fb_fillrect = <set by matrox_cfbX_init>, */
/* .fb_copyarea = <set by matrox_cfbX_init>, */
/* .fb_imageblit = <set by matrox_cfbX_init>, */
/* .fb_cursor = <set by matrox_cfbX_init>, */
};
#define RSDepth(X) (((X) >> 8) & 0x0F)
#define RS8bpp 0x1
#define RS15bpp 0x2
#define RS16bpp 0x3
#define RS32bpp 0x4
#define RS4bpp 0x5
#define RS24bpp 0x6
#define RSText 0x7
#define RSText8 0x8
/* 9-F */
static struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = {
{ { 0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, { 0, 0, 0}, 8 },
{ { 10, 5, 0}, { 5, 5, 0}, { 0, 5, 0}, { 15, 1, 0}, 16 },
{ { 11, 5, 0}, { 5, 6, 0}, { 0, 5, 0}, { 0, 0, 0}, 16 },
{ { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 24, 8, 0}, 32 },
{ { 0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, { 0, 0, 0}, 4 },
{ { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 0, 0, 0}, 24 },
{ { 0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, { 0, 0, 0}, 0 }, /* textmode with (default) VGA8x16 */
{ { 0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, { 0, 0, 0}, 0 }, /* textmode hardwired to VGA8x8 */
};
/* initialized by setup, see explanation at end of file (search for MODULE_PARM_DESC) */
static unsigned int mem; /* "matroxfb:mem:xxxxxM" */
static int option_precise_width = 1; /* cannot be changed, option_precise_width==0 must imply noaccel */
static int inv24; /* "matroxfb:inv24" */
static int cross4MB = -1; /* "matroxfb:cross4MB" */
static int disabled; /* "matroxfb:disabled" */
static int noaccel; /* "matroxfb:noaccel" */
static int nopan; /* "matroxfb:nopan" */
static int no_pci_retry; /* "matroxfb:nopciretry" */
static int novga; /* "matroxfb:novga" */
static int nobios; /* "matroxfb:nobios" */
static int noinit = 1; /* "matroxfb:init" */
static int inverse; /* "matroxfb:inverse" */
static int sgram; /* "matroxfb:sgram" */
static int mtrr = 1; /* "matroxfb:nomtrr" */
static int grayscale; /* "matroxfb:grayscale" */
static int dev = -1; /* "matroxfb:dev:xxxxx" */
static unsigned int vesa = ~0; /* "matroxfb:vesa:xxxxx" */
static int depth = -1; /* "matroxfb:depth:xxxxx" */
static unsigned int xres; /* "matroxfb:xres:xxxxx" */
static unsigned int yres; /* "matroxfb:yres:xxxxx" */
static unsigned int upper = ~0; /* "matroxfb:upper:xxxxx" */
static unsigned int lower = ~0; /* "matroxfb:lower:xxxxx" */
static unsigned int vslen; /* "matroxfb:vslen:xxxxx" */
static unsigned int left = ~0; /* "matroxfb:left:xxxxx" */
static unsigned int right = ~0; /* "matroxfb:right:xxxxx" */
static unsigned int hslen; /* "matroxfb:hslen:xxxxx" */
static unsigned int pixclock; /* "matroxfb:pixclock:xxxxx" */
static int sync = -1; /* "matroxfb:sync:xxxxx" */
static unsigned int fv; /* "matroxfb:fv:xxxxx" */
static unsigned int fh; /* "matroxfb:fh:xxxxxk" */
static unsigned int maxclk; /* "matroxfb:maxclk:xxxxM" */
static int dfp; /* "matroxfb:dfp */
static int dfp_type = -1; /* "matroxfb:dfp:xxx */
static int memtype = -1; /* "matroxfb:memtype:xxx" */
static char outputs[8]; /* "matroxfb:outputs:xxx" */
#ifndef MODULE
static char videomode[64]; /* "matroxfb:mode:xxxxx" or "matroxfb:xxxxx" */
#endif
static int matroxfb_getmemory(struct matrox_fb_info *minfo,
unsigned int maxSize, unsigned int *realSize)
{
vaddr_t vm;
unsigned int offs;
unsigned int offs2;
unsigned char orig;
unsigned char bytes[32];
unsigned char* tmp;
DBG(__func__)
vm = minfo->video.vbase;
maxSize &= ~0x1FFFFF; /* must be X*2MB (really it must be 2 or X*4MB) */
/* at least 2MB */
if (maxSize < 0x0200000) return 0;
if (maxSize > 0x2000000) maxSize = 0x2000000;
mga_outb(M_EXTVGA_INDEX, 0x03);
orig = mga_inb(M_EXTVGA_DATA);
mga_outb(M_EXTVGA_DATA, orig | 0x80);
tmp = bytes;
for (offs = 0x100000; offs < maxSize; offs += 0x200000)
*tmp++ = mga_readb(vm, offs);
for (offs = 0x100000; offs < maxSize; offs += 0x200000)
mga_writeb(vm, offs, 0x02);
mga_outb(M_CACHEFLUSH, 0x00);
for (offs = 0x100000; offs < maxSize; offs += 0x200000) {
if (mga_readb(vm, offs) != 0x02)
break;
mga_writeb(vm, offs, mga_readb(vm, offs) - 0x02);
if (mga_readb(vm, offs))
break;
}
tmp = bytes;
for (offs2 = 0x100000; offs2 < maxSize; offs2 += 0x200000)
mga_writeb(vm, offs2, *tmp++);
mga_outb(M_EXTVGA_INDEX, 0x03);
mga_outb(M_EXTVGA_DATA, orig);
*realSize = offs - 0x100000;
#ifdef CONFIG_FB_MATROX_MILLENIUM
minfo->interleave = !(!isMillenium(minfo) || ((offs - 0x100000) & 0x3FFFFF));
#endif
return 1;
}
struct video_board {
int maxvram;
int maxdisplayable;
int accelID;
struct matrox_switch* lowlevel;
};
#ifdef CONFIG_FB_MATROX_MILLENIUM
static struct video_board vbMillennium = {
.maxvram = 0x0800000,
.maxdisplayable = 0x0800000,
.accelID = FB_ACCEL_MATROX_MGA2064W,
.lowlevel = &matrox_millennium
};
static struct video_board vbMillennium2 = {
.maxvram = 0x1000000,
.maxdisplayable = 0x0800000,
.accelID = FB_ACCEL_MATROX_MGA2164W,
.lowlevel = &matrox_millennium
};
static struct video_board vbMillennium2A = {
.maxvram = 0x1000000,
.maxdisplayable = 0x0800000,
.accelID = FB_ACCEL_MATROX_MGA2164W_AGP,
.lowlevel = &matrox_millennium
};
#endif /* CONFIG_FB_MATROX_MILLENIUM */
#ifdef CONFIG_FB_MATROX_MYSTIQUE
static struct video_board vbMystique = {
.maxvram = 0x0800000,
.maxdisplayable = 0x0800000,
.accelID = FB_ACCEL_MATROX_MGA1064SG,
.lowlevel = &matrox_mystique
};
#endif /* CONFIG_FB_MATROX_MYSTIQUE */
#ifdef CONFIG_FB_MATROX_G
static struct video_board vbG100 = {
.maxvram = 0x0800000,
.maxdisplayable = 0x0800000,
.accelID = FB_ACCEL_MATROX_MGAG100,
.lowlevel = &matrox_G100
};
static struct video_board vbG200 = {
.maxvram = 0x1000000,
.maxdisplayable = 0x1000000,
.accelID = FB_ACCEL_MATROX_MGAG200,
.lowlevel = &matrox_G100
};
static struct video_board vbG200eW = {
.maxvram = 0x800000,
.maxdisplayable = 0x800000,
.accelID = FB_ACCEL_MATROX_MGAG200,
.lowlevel = &matrox_G100
};
/* from doc it looks like that accelerator can draw only to low 16MB :-( Direct accesses & displaying are OK for
whole 32MB */
static struct video_board vbG400 = {
.maxvram = 0x2000000,
.maxdisplayable = 0x1000000,
.accelID = FB_ACCEL_MATROX_MGAG400,
.lowlevel = &matrox_G100
};
#endif
#define DEVF_VIDEO64BIT 0x0001
#define DEVF_SWAPS 0x0002
#define DEVF_SRCORG 0x0004
#define DEVF_DUALHEAD 0x0008
#define DEVF_CROSS4MB 0x0010
#define DEVF_TEXT4B 0x0020
/* #define DEVF_recycled 0x0040 */
/* #define DEVF_recycled 0x0080 */
#define DEVF_SUPPORT32MB 0x0100
#define DEVF_ANY_VXRES 0x0200
#define DEVF_TEXT16B 0x0400
#define DEVF_CRTC2 0x0800
#define DEVF_MAVEN_CAPABLE 0x1000
#define DEVF_PANELLINK_CAPABLE 0x2000
#define DEVF_G450DAC 0x4000
#define DEVF_GCORE (DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB)
#define DEVF_G2CORE (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_MAVEN_CAPABLE | DEVF_PANELLINK_CAPABLE | DEVF_SRCORG | DEVF_DUALHEAD)
#define DEVF_G100 (DEVF_GCORE) /* no doc, no vxres... */
#define DEVF_G200 (DEVF_G2CORE)
#define DEVF_G400 (DEVF_G2CORE | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2)
/* if you'll find how to drive DFP... */
#define DEVF_G450 (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2 | DEVF_G450DAC | DEVF_SRCORG | DEVF_DUALHEAD)
#define DEVF_G550 (DEVF_G450)
static struct board {
unsigned short vendor, device, rev, svid, sid;
unsigned int flags;
unsigned int maxclk;
enum mga_chip chip;
struct video_board* base;
const char* name;
} dev_list[] = {
#ifdef CONFIG_FB_MATROX_MILLENIUM
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL, 0xFF,
0, 0,
DEVF_TEXT4B,
230000,
MGA_2064,
&vbMillennium,
"Millennium (PCI)"},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL_2, 0xFF,
0, 0,
DEVF_SWAPS,
220000,
MGA_2164,
&vbMillennium2,
"Millennium II (PCI)"},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL_2_AGP, 0xFF,
0, 0,
DEVF_SWAPS,
250000,
MGA_2164,
&vbMillennium2A,
"Millennium II (AGP)"},
#endif
#ifdef CONFIG_FB_MATROX_MYSTIQUE
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS, 0x02,
0, 0,
DEVF_VIDEO64BIT | DEVF_CROSS4MB,
180000,
MGA_1064,
&vbMystique,
"Mystique (PCI)"},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS, 0xFF,
0, 0,
DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
220000,
MGA_1164,
&vbMystique,
"Mystique 220 (PCI)"},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS_AGP, 0x02,
0, 0,
DEVF_VIDEO64BIT | DEVF_CROSS4MB,
180000,
MGA_1064,
&vbMystique,
"Mystique (AGP)"},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS_AGP, 0xFF,
0, 0,
DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
220000,
MGA_1164,
&vbMystique,
"Mystique 220 (AGP)"},
#endif
#ifdef CONFIG_FB_MATROX_G
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G100_MM, 0xFF,
0, 0,
DEVF_G100,
230000,
MGA_G100,
&vbG100,
"MGA-G100 (PCI)"},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G100_AGP, 0xFF,
0, 0,
DEVF_G100,
230000,
MGA_G100,
&vbG100,
"MGA-G100 (AGP)"},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_PCI, 0xFF,
0, 0,
DEVF_G200,
250000,
MGA_G200,
&vbG200,
"MGA-G200 (PCI)"},
{PCI_VENDOR_ID_MATROX, 0x0532, 0xFF,
0, 0,
DEVF_G200,
250000,
MGA_G200,
&vbG200eW,
"MGA-G200eW (PCI)"},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF,
PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_GENERIC,
DEVF_G200,
220000,
MGA_G200,
&vbG200,
"MGA-G200 (AGP)"},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF,
PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP,
DEVF_G200,
230000,
MGA_G200,
&vbG200,
"Mystique G200 (AGP)"},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF,
PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MILLENIUM_G200_AGP,
DEVF_G200,
250000,
MGA_G200,
&vbG200,
"Millennium G200 (AGP)"},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF,
PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MARVEL_G200_AGP,
DEVF_G200,
230000,
MGA_G200,
&vbG200,
"Marvel G200 (AGP)"},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF,
PCI_SS_VENDOR_ID_SIEMENS_NIXDORF, PCI_SS_ID_SIEMENS_MGA_G200_AGP,
DEVF_G200,
230000,
MGA_G200,
&vbG200,
"MGA-G200 (AGP)"},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF,
0, 0,
DEVF_G200,
230000,
MGA_G200,
&vbG200,
"G200 (AGP)"},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400, 0x80,
PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP,
DEVF_G400,
360000,
MGA_G400,
&vbG400,
"Millennium G400 MAX (AGP)"},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400, 0x80,
0, 0,
DEVF_G400,
300000,
MGA_G400,
&vbG400,
"G400 (AGP)"},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400, 0xFF,
0, 0,
DEVF_G450,
360000,
MGA_G450,
&vbG400,
"G450"},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G550, 0xFF,
0, 0,
DEVF_G550,
360000,
MGA_G550,
&vbG400,
"G550"},
#endif
{0, 0, 0xFF,
0, 0,
0,
0,
0,
NULL,
NULL}};
#ifndef MODULE
static const struct fb_videomode defaultmode = {
/* 640x480 @ 60Hz, 31.5 kHz */
NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2,
0, FB_VMODE_NONINTERLACED
};
static int hotplug = 0;
#endif /* !MODULE */
static void setDefaultOutputs(struct matrox_fb_info *minfo)
{
unsigned int i;
const char* ptr;
minfo->outputs[0].default_src = MATROXFB_SRC_CRTC1;
if (minfo->devflags.g450dac) {
minfo->outputs[1].default_src = MATROXFB_SRC_CRTC1;
minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1;
} else if (dfp) {
minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1;
}
ptr = outputs;
for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
char c = *ptr++;
if (c == 0) {
break;
}
if (c == '0') {
minfo->outputs[i].default_src = MATROXFB_SRC_NONE;
} else if (c == '1') {
minfo->outputs[i].default_src = MATROXFB_SRC_CRTC1;
} else if (c == '2' && minfo->devflags.crtc2) {
minfo->outputs[i].default_src = MATROXFB_SRC_CRTC2;
} else {
printk(KERN_ERR "matroxfb: Unknown outputs setting\n");
break;
}
}
/* Nullify this option for subsequent adapters */
outputs[0] = 0;
}
static int initMatrox2(struct matrox_fb_info *minfo, struct board *b)
{
unsigned long ctrlptr_phys = 0;
unsigned long video_base_phys = 0;
unsigned int memsize;
int err;
static const struct pci_device_id intel_82437[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437) },
{ },
};
DBG(__func__)
/* set default values... */
vesafb_defined.accel_flags = FB_ACCELF_TEXT;
minfo->hw_switch = b->base->lowlevel;
minfo->devflags.accelerator = b->base->accelID;
minfo->max_pixel_clock = b->maxclk;
printk(KERN_INFO "matroxfb: Matrox %s detected\n", b->name);
minfo->capable.plnwt = 1;
minfo->chip = b->chip;
minfo->capable.srcorg = b->flags & DEVF_SRCORG;
minfo->devflags.video64bits = b->flags & DEVF_VIDEO64BIT;
if (b->flags & DEVF_TEXT4B) {
minfo->devflags.vgastep = 4;
minfo->devflags.textmode = 4;
minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16;
} else if (b->flags & DEVF_TEXT16B) {
minfo->devflags.vgastep = 16;
minfo->devflags.textmode = 1;
minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16;
} else {
minfo->devflags.vgastep = 8;
minfo->devflags.textmode = 1;
minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP8;
}
minfo->devflags.support32MB = (b->flags & DEVF_SUPPORT32MB) != 0;
minfo->devflags.precise_width = !(b->flags & DEVF_ANY_VXRES);
minfo->devflags.crtc2 = (b->flags & DEVF_CRTC2) != 0;
minfo->devflags.maven_capable = (b->flags & DEVF_MAVEN_CAPABLE) != 0;
minfo->devflags.dualhead = (b->flags & DEVF_DUALHEAD) != 0;
minfo->devflags.dfp_type = dfp_type;
minfo->devflags.g450dac = (b->flags & DEVF_G450DAC) != 0;
minfo->devflags.textstep = minfo->devflags.vgastep * minfo->devflags.textmode;
minfo->devflags.textvram = 65536 / minfo->devflags.textmode;
setDefaultOutputs(minfo);
if (b->flags & DEVF_PANELLINK_CAPABLE) {
minfo->outputs[2].data = minfo;
minfo->outputs[2].output = &panellink_output;
minfo->outputs[2].src = minfo->outputs[2].default_src;
minfo->outputs[2].mode = MATROXFB_OUTPUT_MODE_MONITOR;
minfo->devflags.panellink = 1;
}
if (minfo->capable.cross4MB < 0)
minfo->capable.cross4MB = b->flags & DEVF_CROSS4MB;
if (b->flags & DEVF_SWAPS) {
ctrlptr_phys = pci_resource_start(minfo->pcidev, 1);
video_base_phys = pci_resource_start(minfo->pcidev, 0);
minfo->devflags.fbResource = PCI_BASE_ADDRESS_0;
} else {
ctrlptr_phys = pci_resource_start(minfo->pcidev, 0);
video_base_phys = pci_resource_start(minfo->pcidev, 1);
minfo->devflags.fbResource = PCI_BASE_ADDRESS_1;
}
err = -EINVAL;
if (!ctrlptr_phys) {
printk(KERN_ERR "matroxfb: control registers are not available, matroxfb disabled\n");
goto fail;
}
if (!video_base_phys) {
printk(KERN_ERR "matroxfb: video RAM is not available in PCI address space, matroxfb disabled\n");
goto fail;
}
memsize = b->base->maxvram;
if (!request_mem_region(ctrlptr_phys, 16384, "matroxfb MMIO")) {
goto fail;
}
if (!request_mem_region(video_base_phys, memsize, "matroxfb FB")) {
goto failCtrlMR;
}
minfo->video.len_maximum = memsize;
/* convert mem (autodetect k, M) */
if (mem < 1024) mem *= 1024;
if (mem < 0x00100000) mem *= 1024;
if (mem && (mem < memsize))
memsize = mem;
err = -ENOMEM;
minfo->mmio.vbase.vaddr = ioremap(ctrlptr_phys, 16384);
if (!minfo->mmio.vbase.vaddr) {
printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys);
goto failVideoMR;
}
minfo->mmio.base = ctrlptr_phys;
minfo->mmio.len = 16384;
minfo->video.base = video_base_phys;
minfo->video.vbase.vaddr = ioremap_wc(video_base_phys, memsize);
if (!minfo->video.vbase.vaddr) {
printk(KERN_ERR "matroxfb: cannot ioremap(%lX, %d), matroxfb disabled\n",
video_base_phys, memsize);
goto failCtrlIO;
}
{
u_int32_t cmd;
u_int32_t mga_option;
pci_read_config_dword(minfo->pcidev, PCI_OPTION_REG, &mga_option);
pci_read_config_dword(minfo->pcidev, PCI_COMMAND, &cmd);
mga_option &= 0x7FFFFFFF; /* clear BIG_ENDIAN */
mga_option |= MX_OPTION_BSWAP;
/* disable palette snooping */
cmd &= ~PCI_COMMAND_VGA_PALETTE;
if (pci_dev_present(intel_82437)) {
if (!(mga_option & 0x20000000) && !minfo->devflags.nopciretry) {
printk(KERN_WARNING "matroxfb: Disabling PCI retries due to i82437 present\n");
}
mga_option |= 0x20000000;
minfo->devflags.nopciretry = 1;
}
pci_write_config_dword(minfo->pcidev, PCI_COMMAND, cmd);
pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mga_option);
minfo->hw.MXoptionReg = mga_option;
/* select non-DMA memory for PCI_MGA_DATA, otherwise dump of PCI cfg space can lock PCI bus */
/* maybe preinit() candidate, but it is same... for all devices... at this time... */
pci_write_config_dword(minfo->pcidev, PCI_MGA_INDEX, 0x00003C00);
}
err = -ENXIO;
matroxfb_read_pins(minfo);
if (minfo->hw_switch->preinit(minfo)) {
goto failVideoIO;
}
err = -ENOMEM;
if (!matroxfb_getmemory(minfo, memsize, &minfo->video.len) || !minfo->video.len) {
printk(KERN_ERR "matroxfb: cannot determine memory size\n");
goto failVideoIO;
}
minfo->devflags.ydstorg = 0;
minfo->video.base = video_base_phys;
minfo->video.len_usable = minfo->video.len;
if (minfo->video.len_usable > b->base->maxdisplayable)
minfo->video.len_usable = b->base->maxdisplayable;
if (mtrr)
minfo->wc_cookie = arch_phys_wc_add(video_base_phys,
minfo->video.len);
if (!minfo->devflags.novga)
request_region(0x3C0, 32, "matrox");
matroxfb_g450_connect(minfo);
minfo->hw_switch->reset(minfo);
minfo->fbcon.monspecs.hfmin = 0;
minfo->fbcon.monspecs.hfmax = fh;
minfo->fbcon.monspecs.vfmin = 0;
minfo->fbcon.monspecs.vfmax = fv;
minfo->fbcon.monspecs.dpms = 0; /* TBD */
/* static settings */
vesafb_defined.red = colors[depth-1].red;
vesafb_defined.green = colors[depth-1].green;
vesafb_defined.blue = colors[depth-1].blue;
vesafb_defined.bits_per_pixel = colors[depth-1].bits_per_pixel;
vesafb_defined.grayscale = grayscale;
vesafb_defined.vmode = 0;
if (noaccel)
vesafb_defined.accel_flags &= ~FB_ACCELF_TEXT;
minfo->fbops = matroxfb_ops;
minfo->fbcon.fbops = &minfo->fbops;
minfo->fbcon.pseudo_palette = minfo->cmap;
minfo->fbcon.flags = FBINFO_PARTIAL_PAN_OK | /* Prefer panning for scroll under MC viewer/edit */
FBINFO_HWACCEL_COPYAREA | /* We have hw-assisted bmove */
FBINFO_HWACCEL_FILLRECT | /* And fillrect */
FBINFO_HWACCEL_IMAGEBLIT | /* And imageblit */
FBINFO_HWACCEL_XPAN | /* And we support both horizontal */
FBINFO_HWACCEL_YPAN | /* And vertical panning */
FBINFO_READS_FAST;
minfo->video.len_usable &= PAGE_MASK;
fb_alloc_cmap(&minfo->fbcon.cmap, 256, 1);
#ifndef MODULE
/* mode database is marked __init!!! */
if (!hotplug) {
fb_find_mode(&vesafb_defined, &minfo->fbcon, videomode[0] ? videomode : NULL,
NULL, 0, &defaultmode, vesafb_defined.bits_per_pixel);
}
#endif /* !MODULE */
/* mode modifiers */
if (hslen)
vesafb_defined.hsync_len = hslen;
if (vslen)
vesafb_defined.vsync_len = vslen;
if (left != ~0)
vesafb_defined.left_margin = left;
if (right != ~0)
vesafb_defined.right_margin = right;
if (upper != ~0)
vesafb_defined.upper_margin = upper;
if (lower != ~0)
vesafb_defined.lower_margin = lower;
if (xres)
vesafb_defined.xres = xres;
if (yres)
vesafb_defined.yres = yres;
if (sync != -1)
vesafb_defined.sync = sync;
else if (vesafb_defined.sync == ~0) {
vesafb_defined.sync = 0;
if (yres < 400)
vesafb_defined.sync |= FB_SYNC_HOR_HIGH_ACT;
else if (yres < 480)
vesafb_defined.sync |= FB_SYNC_VERT_HIGH_ACT;
}
/* fv, fh, maxclk limits was specified */
{
unsigned int tmp;
if (fv) {
tmp = fv * (vesafb_defined.upper_margin + vesafb_defined.yres
+ vesafb_defined.lower_margin + vesafb_defined.vsync_len);
if ((tmp < fh) || (fh == 0)) fh = tmp;
}
if (fh) {
tmp = fh * (vesafb_defined.left_margin + vesafb_defined.xres
+ vesafb_defined.right_margin + vesafb_defined.hsync_len);
if ((tmp < maxclk) || (maxclk == 0)) maxclk = tmp;
}
tmp = (maxclk + 499) / 500;
if (tmp) {
tmp = (2000000000 + tmp) / tmp;
if (tmp > pixclock) pixclock = tmp;
}
}
if (pixclock) {
if (pixclock < 2000) /* > 500MHz */
pixclock = 4000; /* 250MHz */
if (pixclock > 1000000)
pixclock = 1000000; /* 1MHz */
vesafb_defined.pixclock = pixclock;
}
/* FIXME: Where to move this?! */
#if defined(CONFIG_PPC_PMAC)
#ifndef MODULE
if (machine_is(powermac)) {
struct fb_var_screeninfo var;
if (default_vmode <= 0 || default_vmode > VMODE_MAX)
default_vmode = VMODE_640_480_60;
#if defined(CONFIG_PPC32)
if (IS_REACHABLE(CONFIG_NVRAM) && default_cmode == CMODE_NVRAM)
default_cmode = nvram_read_byte(NV_CMODE);
#endif
if (default_cmode < CMODE_8 || default_cmode > CMODE_32)
default_cmode = CMODE_8;
if (!mac_vmode_to_var(default_vmode, default_cmode, &var)) {
var.accel_flags = vesafb_defined.accel_flags;
var.xoffset = var.yoffset = 0;
/* Note: mac_vmode_to_var() does not set all parameters */
vesafb_defined = var;
}
}
#endif /* !MODULE */
#endif /* CONFIG_PPC_PMAC */
vesafb_defined.xres_virtual = vesafb_defined.xres;
if (nopan) {
vesafb_defined.yres_virtual = vesafb_defined.yres;
} else {
vesafb_defined.yres_virtual = 65536; /* large enough to be INF, but small enough
to yres_virtual * xres_virtual < 2^32 */
}
matroxfb_init_fix(minfo);
minfo->fbcon.screen_base = vaddr_va(minfo->video.vbase);
/* Normalize values (namely yres_virtual) */
matroxfb_check_var(&vesafb_defined, &minfo->fbcon);
/* And put it into "current" var. Do NOT program hardware yet, or we'll not take over
* vgacon correctly. fbcon_startup will call fb_set_par for us, WITHOUT check_var,
* and unfortunately it will do it BEFORE vgacon contents is saved, so it won't work
* anyway. But we at least tried... */
minfo->fbcon.var = vesafb_defined;
err = -EINVAL;
printk(KERN_INFO "matroxfb: %dx%dx%dbpp (virtual: %dx%d)\n",
vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel,
vesafb_defined.xres_virtual, vesafb_defined.yres_virtual);
printk(KERN_INFO "matroxfb: framebuffer at 0x%lX, mapped to 0x%p, size %d\n",
minfo->video.base, vaddr_va(minfo->video.vbase), minfo->video.len);
/* We do not have to set currcon to 0... register_framebuffer do it for us on first console
* and we do not want currcon == 0 for subsequent framebuffers */
minfo->fbcon.device = &minfo->pcidev->dev;
if (register_framebuffer(&minfo->fbcon) < 0) {
goto failVideoIO;
}
fb_info(&minfo->fbcon, "%s frame buffer device\n", minfo->fbcon.fix.id);
/* there is no console on this fb... but we have to initialize hardware
* until someone tells me what is proper thing to do */
if (!minfo->initialized) {
fb_info(&minfo->fbcon, "initializing hardware\n");
/* We have to use FB_ACTIVATE_FORCE, as we had to put vesafb_defined to the fbcon.var
* already before, so register_framebuffer works correctly. */
vesafb_defined.activate |= FB_ACTIVATE_FORCE;
fb_set_var(&minfo->fbcon, &vesafb_defined);
}
return 0;
failVideoIO:;
matroxfb_g450_shutdown(minfo);
iounmap(minfo->video.vbase.vaddr);
failCtrlIO:;
iounmap(minfo->mmio.vbase.vaddr);
failVideoMR:;
release_mem_region(video_base_phys, minfo->video.len_maximum);
failCtrlMR:;
release_mem_region(ctrlptr_phys, 16384);
fail:;
return err;
}
static LIST_HEAD(matroxfb_list);
static LIST_HEAD(matroxfb_driver_list);
#define matroxfb_l(x) list_entry(x, struct matrox_fb_info, next_fb)
#define matroxfb_driver_l(x) list_entry(x, struct matroxfb_driver, node)
int matroxfb_register_driver(struct matroxfb_driver* drv) {
struct matrox_fb_info* minfo;
list_add(&drv->node, &matroxfb_driver_list);
list_for_each_entry(minfo, &matroxfb_list, next_fb) {
void* p;
if (minfo->drivers_count == MATROXFB_MAX_FB_DRIVERS)
continue;
p = drv->probe(minfo);
if (p) {
minfo->drivers_data[minfo->drivers_count] = p;
minfo->drivers[minfo->drivers_count++] = drv;
}
}
return 0;
}
void matroxfb_unregister_driver(struct matroxfb_driver* drv) {
struct matrox_fb_info* minfo;
list_del(&drv->node);
list_for_each_entry(minfo, &matroxfb_list, next_fb) {
int i;
for (i = 0; i < minfo->drivers_count; ) {
if (minfo->drivers[i] == drv) {
if (drv && drv->remove)
drv->remove(minfo, minfo->drivers_data[i]);
minfo->drivers[i] = minfo->drivers[--minfo->drivers_count];
minfo->drivers_data[i] = minfo->drivers_data[minfo->drivers_count];
} else
i++;
}
}
}
static void matroxfb_register_device(struct matrox_fb_info* minfo) {
struct matroxfb_driver* drv;
int i = 0;
list_add(&minfo->next_fb, &matroxfb_list);
for (drv = matroxfb_driver_l(matroxfb_driver_list.next);
drv != matroxfb_driver_l(&matroxfb_driver_list);
drv = matroxfb_driver_l(drv->node.next)) {
if (drv->probe) {
void *p = drv->probe(minfo);
if (p) {
minfo->drivers_data[i] = p;
minfo->drivers[i++] = drv;
if (i == MATROXFB_MAX_FB_DRIVERS)
break;
}
}
}
minfo->drivers_count = i;
}
static void matroxfb_unregister_device(struct matrox_fb_info* minfo) {
int i;
list_del(&minfo->next_fb);
for (i = 0; i < minfo->drivers_count; i++) {
struct matroxfb_driver* drv = minfo->drivers[i];
if (drv && drv->remove)
drv->remove(minfo, minfo->drivers_data[i]);
}
}
static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dummy) {
struct board* b;
u_int16_t svid;
u_int16_t sid;
struct matrox_fb_info* minfo;
int err;
u_int32_t cmd;
DBG(__func__)
svid = pdev->subsystem_vendor;
sid = pdev->subsystem_device;
for (b = dev_list; b->vendor; b++) {
if ((b->vendor != pdev->vendor) || (b->device != pdev->device) || (b->rev < pdev->revision)) continue;
if (b->svid)
if ((b->svid != svid) || (b->sid != sid)) continue;
break;
}
/* not match... */
if (!b->vendor)
return -ENODEV;
if (dev > 0) {
/* not requested one... */
dev--;
return -ENODEV;
}
pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
if (pci_enable_device(pdev)) {
return -1;
}
minfo = kzalloc(sizeof(*minfo), GFP_KERNEL);
if (!minfo)
return -ENOMEM;
minfo->pcidev = pdev;
minfo->dead = 0;
minfo->usecount = 0;
minfo->userusecount = 0;
pci_set_drvdata(pdev, minfo);
/* DEVFLAGS */
minfo->devflags.memtype = memtype;
if (memtype != -1)
noinit = 0;
if (cmd & PCI_COMMAND_MEMORY) {
minfo->devflags.novga = novga;
minfo->devflags.nobios = nobios;
minfo->devflags.noinit = noinit;
/* subsequent heads always needs initialization and must not enable BIOS */
novga = 1;
nobios = 1;
noinit = 0;
} else {
minfo->devflags.novga = 1;
minfo->devflags.nobios = 1;
minfo->devflags.noinit = 0;
}
minfo->devflags.nopciretry = no_pci_retry;
minfo->devflags.mga_24bpp_fix = inv24;
minfo->devflags.precise_width = option_precise_width;
minfo->devflags.sgram = sgram;
minfo->capable.cross4MB = cross4MB;
spin_lock_init(&minfo->lock.DAC);
spin_lock_init(&minfo->lock.accel);
init_rwsem(&minfo->crtc2.lock);
init_rwsem(&minfo->altout.lock);
mutex_init(&minfo->fbcon.mm_lock);
minfo->irq_flags = 0;
init_waitqueue_head(&minfo->crtc1.vsync.wait);
init_waitqueue_head(&minfo->crtc2.vsync.wait);
minfo->crtc1.panpos = -1;
err = initMatrox2(minfo, b);
if (!err) {
matroxfb_register_device(minfo);
return 0;
}
kfree(minfo);
return -1;
}
static void pci_remove_matrox(struct pci_dev* pdev) {
struct matrox_fb_info* minfo;
minfo = pci_get_drvdata(pdev);
matroxfb_remove(minfo, 1);
}
static const struct pci_device_id matroxfb_devices[] = {
#ifdef CONFIG_FB_MATROX_MILLENIUM
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL_2,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL_2_AGP,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
#endif
#ifdef CONFIG_FB_MATROX_MYSTIQUE
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
#endif
#ifdef CONFIG_FB_MATROX_G
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G100_MM,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G100_AGP,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_PCI,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{PCI_VENDOR_ID_MATROX, 0x0532,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G550,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
#endif
{0, 0,
0, 0, 0, 0, 0}
};
MODULE_DEVICE_TABLE(pci, matroxfb_devices);
static struct pci_driver matroxfb_driver = {
.name = "matroxfb",
.id_table = matroxfb_devices,
.probe = matroxfb_probe,
.remove = pci_remove_matrox,
};
/* **************************** init-time only **************************** */
#define RSResolution(X) ((X) & 0x0F)
#define RS640x400 1
#define RS640x480 2
#define RS800x600 3
#define RS1024x768 4
#define RS1280x1024 5
#define RS1600x1200 6
#define RS768x576 7
#define RS960x720 8
#define RS1152x864 9
#define RS1408x1056 10
#define RS640x350 11
#define RS1056x344 12 /* 132 x 43 text */
#define RS1056x400 13 /* 132 x 50 text */
#define RS1056x480 14 /* 132 x 60 text */
#define RSNoxNo 15
/* 10-FF */
static struct { int xres, yres, left, right, upper, lower, hslen, vslen, vfreq; } timmings[] __initdata = {
{ 640, 400, 48, 16, 39, 8, 96, 2, 70 },
{ 640, 480, 48, 16, 33, 10, 96, 2, 60 },
{ 800, 600, 144, 24, 28, 8, 112, 6, 60 },
{ 1024, 768, 160, 32, 30, 4, 128, 4, 60 },
{ 1280, 1024, 224, 32, 32, 4, 136, 4, 60 },
{ 1600, 1200, 272, 48, 32, 5, 152, 5, 60 },
{ 768, 576, 144, 16, 28, 6, 112, 4, 60 },
{ 960, 720, 144, 24, 28, 8, 112, 4, 60 },
{ 1152, 864, 192, 32, 30, 4, 128, 4, 60 },
{ 1408, 1056, 256, 40, 32, 5, 144, 5, 60 },
{ 640, 350, 48, 16, 39, 8, 96, 2, 70 },
{ 1056, 344, 96, 24, 59, 44, 160, 2, 70 },
{ 1056, 400, 96, 24, 39, 8, 160, 2, 70 },
{ 1056, 480, 96, 24, 36, 12, 160, 3, 60 },
{ 0, 0, ~0, ~0, ~0, ~0, 0, 0, 0 }
};
#define RSCreate(X,Y) ((X) | ((Y) << 8))
static struct { unsigned int vesa; unsigned int info; } *RSptr, vesamap[] __initdata = {
/* default must be first */
{ ~0, RSCreate(RSNoxNo, RS8bpp ) },
{ 0x101, RSCreate(RS640x480, RS8bpp ) },
{ 0x100, RSCreate(RS640x400, RS8bpp ) },
{ 0x180, RSCreate(RS768x576, RS8bpp ) },
{ 0x103, RSCreate(RS800x600, RS8bpp ) },
{ 0x188, RSCreate(RS960x720, RS8bpp ) },
{ 0x105, RSCreate(RS1024x768, RS8bpp ) },
{ 0x190, RSCreate(RS1152x864, RS8bpp ) },
{ 0x107, RSCreate(RS1280x1024, RS8bpp ) },
{ 0x198, RSCreate(RS1408x1056, RS8bpp ) },
{ 0x11C, RSCreate(RS1600x1200, RS8bpp ) },
{ 0x110, RSCreate(RS640x480, RS15bpp) },
{ 0x181, RSCreate(RS768x576, RS15bpp) },
{ 0x113, RSCreate(RS800x600, RS15bpp) },
{ 0x189, RSCreate(RS960x720, RS15bpp) },
{ 0x116, RSCreate(RS1024x768, RS15bpp) },
{ 0x191, RSCreate(RS1152x864, RS15bpp) },
{ 0x119, RSCreate(RS1280x1024, RS15bpp) },
{ 0x199, RSCreate(RS1408x1056, RS15bpp) },
{ 0x11D, RSCreate(RS1600x1200, RS15bpp) },
{ 0x111, RSCreate(RS640x480, RS16bpp) },
{ 0x182, RSCreate(RS768x576, RS16bpp) },
{ 0x114, RSCreate(RS800x600, RS16bpp) },
{ 0x18A, RSCreate(RS960x720, RS16bpp) },
{ 0x117, RSCreate(RS1024x768, RS16bpp) },
{ 0x192, RSCreate(RS1152x864, RS16bpp) },
{ 0x11A, RSCreate(RS1280x1024, RS16bpp) },
{ 0x19A, RSCreate(RS1408x1056, RS16bpp) },
{ 0x11E, RSCreate(RS1600x1200, RS16bpp) },
{ 0x1B2, RSCreate(RS640x480, RS24bpp) },
{ 0x184, RSCreate(RS768x576, RS24bpp) },
{ 0x1B5, RSCreate(RS800x600, RS24bpp) },
{ 0x18C, RSCreate(RS960x720, RS24bpp) },
{ 0x1B8, RSCreate(RS1024x768, RS24bpp) },
{ 0x194, RSCreate(RS1152x864, RS24bpp) },
{ 0x1BB, RSCreate(RS1280x1024, RS24bpp) },
{ 0x19C, RSCreate(RS1408x1056, RS24bpp) },
{ 0x1BF, RSCreate(RS1600x1200, RS24bpp) },
{ 0x112, RSCreate(RS640x480, RS32bpp) },
{ 0x183, RSCreate(RS768x576, RS32bpp) },
{ 0x115, RSCreate(RS800x600, RS32bpp) },
{ 0x18B, RSCreate(RS960x720, RS32bpp) },
{ 0x118, RSCreate(RS1024x768, RS32bpp) },
{ 0x193, RSCreate(RS1152x864, RS32bpp) },
{ 0x11B, RSCreate(RS1280x1024, RS32bpp) },
{ 0x19B, RSCreate(RS1408x1056, RS32bpp) },
{ 0x11F, RSCreate(RS1600x1200, RS32bpp) },
{ 0x010, RSCreate(RS640x350, RS4bpp ) },
{ 0x012, RSCreate(RS640x480, RS4bpp ) },
{ 0x102, RSCreate(RS800x600, RS4bpp ) },
{ 0x104, RSCreate(RS1024x768, RS4bpp ) },
{ 0x106, RSCreate(RS1280x1024, RS4bpp ) },
{ 0, 0 }};
static void __init matroxfb_init_params(void) {
/* fh from kHz to Hz */
if (fh < 1000)
fh *= 1000; /* 1kHz minimum */
/* maxclk */
if (maxclk < 1000) maxclk *= 1000; /* kHz -> Hz, MHz -> kHz */
if (maxclk < 1000000) maxclk *= 1000; /* kHz -> Hz, 1MHz minimum */
/* fix VESA number */
if (vesa != ~0)
vesa &= 0x1DFF; /* mask out clearscreen, acceleration and so on */
/* static settings */
for (RSptr = vesamap; RSptr->vesa; RSptr++) {
if (RSptr->vesa == vesa) break;
}
if (!RSptr->vesa) {
printk(KERN_ERR "Invalid vesa mode 0x%04X\n", vesa);
RSptr = vesamap;
}
{
int res = RSResolution(RSptr->info)-1;
if (left == ~0)
left = timmings[res].left;
if (!xres)
xres = timmings[res].xres;
if (right == ~0)
right = timmings[res].right;
if (!hslen)
hslen = timmings[res].hslen;
if (upper == ~0)
upper = timmings[res].upper;
if (!yres)
yres = timmings[res].yres;
if (lower == ~0)
lower = timmings[res].lower;
if (!vslen)
vslen = timmings[res].vslen;
if (!(fv||fh||maxclk||pixclock))
fv = timmings[res].vfreq;
if (depth == -1)
depth = RSDepth(RSptr->info);
}
}
static int __init matrox_init(void) {
int err;
matroxfb_init_params();
err = pci_register_driver(&matroxfb_driver);
dev = -1; /* accept all new devices... */
return err;
}
/* **************************** exit-time only **************************** */
static void __exit matrox_done(void) {
pci_unregister_driver(&matroxfb_driver);
}
#ifndef MODULE
/* ************************* init in-kernel code ************************** */
static int __init matroxfb_setup(char *options) {
char *this_opt;
DBG(__func__)
if (!options || !*options)
return 0;
while ((this_opt = strsep(&options, ",")) != NULL) {
if (!*this_opt) continue;
dprintk("matroxfb_setup: option %s\n", this_opt);
if (!strncmp(this_opt, "dev:", 4))
dev = simple_strtoul(this_opt+4, NULL, 0);
else if (!strncmp(this_opt, "depth:", 6)) {
switch (simple_strtoul(this_opt+6, NULL, 0)) {
case 0: depth = RSText; break;
case 4: depth = RS4bpp; break;
case 8: depth = RS8bpp; break;
case 15:depth = RS15bpp; break;
case 16:depth = RS16bpp; break;
case 24:depth = RS24bpp; break;
case 32:depth = RS32bpp; break;
default:
printk(KERN_ERR "matroxfb: unsupported color depth\n");
}
} else if (!strncmp(this_opt, "xres:", 5))
xres = simple_strtoul(this_opt+5, NULL, 0);
else if (!strncmp(this_opt, "yres:", 5))
yres = simple_strtoul(this_opt+5, NULL, 0);
else if (!strncmp(this_opt, "vslen:", 6))
vslen = simple_strtoul(this_opt+6, NULL, 0);
else if (!strncmp(this_opt, "hslen:", 6))
hslen = simple_strtoul(this_opt+6, NULL, 0);
else if (!strncmp(this_opt, "left:", 5))
left = simple_strtoul(this_opt+5, NULL, 0);
else if (!strncmp(this_opt, "right:", 6))
right = simple_strtoul(this_opt+6, NULL, 0);
else if (!strncmp(this_opt, "upper:", 6))
upper = simple_strtoul(this_opt+6, NULL, 0);
else if (!strncmp(this_opt, "lower:", 6))
lower = simple_strtoul(this_opt+6, NULL, 0);
else if (!strncmp(this_opt, "pixclock:", 9))
pixclock = simple_strtoul(this_opt+9, NULL, 0);
else if (!strncmp(this_opt, "sync:", 5))
sync = simple_strtoul(this_opt+5, NULL, 0);
else if (!strncmp(this_opt, "vesa:", 5))
vesa = simple_strtoul(this_opt+5, NULL, 0);
else if (!strncmp(this_opt, "maxclk:", 7))
maxclk = simple_strtoul(this_opt+7, NULL, 0);
else if (!strncmp(this_opt, "fh:", 3))
fh = simple_strtoul(this_opt+3, NULL, 0);
else if (!strncmp(this_opt, "fv:", 3))
fv = simple_strtoul(this_opt+3, NULL, 0);
else if (!strncmp(this_opt, "mem:", 4))
mem = simple_strtoul(this_opt+4, NULL, 0);
else if (!strncmp(this_opt, "mode:", 5))
strlcpy(videomode, this_opt+5, sizeof(videomode));
else if (!strncmp(this_opt, "outputs:", 8))
strlcpy(outputs, this_opt+8, sizeof(outputs));
else if (!strncmp(this_opt, "dfp:", 4)) {
dfp_type = simple_strtoul(this_opt+4, NULL, 0);
dfp = 1;
}
#ifdef CONFIG_PPC_PMAC
else if (!strncmp(this_opt, "vmode:", 6)) {
unsigned int vmode = simple_strtoul(this_opt+6, NULL, 0);
if (vmode > 0 && vmode <= VMODE_MAX)
default_vmode = vmode;
} else if (!strncmp(this_opt, "cmode:", 6)) {
unsigned int cmode = simple_strtoul(this_opt+6, NULL, 0);
switch (cmode) {
case 0:
case 8:
default_cmode = CMODE_8;
break;
case 15:
case 16:
default_cmode = CMODE_16;
break;
case 24:
case 32:
default_cmode = CMODE_32;
break;
}
}
#endif
else if (!strcmp(this_opt, "disabled")) /* nodisabled does not exist */
disabled = 1;
else if (!strcmp(this_opt, "enabled")) /* noenabled does not exist */
disabled = 0;
else if (!strcmp(this_opt, "sgram")) /* nosgram == sdram */
sgram = 1;
else if (!strcmp(this_opt, "sdram"))
sgram = 0;
else if (!strncmp(this_opt, "memtype:", 8))
memtype = simple_strtoul(this_opt+8, NULL, 0);
else {
int value = 1;
if (!strncmp(this_opt, "no", 2)) {
value = 0;
this_opt += 2;
}
if (! strcmp(this_opt, "inverse"))
inverse = value;
else if (!strcmp(this_opt, "accel"))
noaccel = !value;
else if (!strcmp(this_opt, "pan"))
nopan = !value;
else if (!strcmp(this_opt, "pciretry"))
no_pci_retry = !value;
else if (!strcmp(this_opt, "vga"))
novga = !value;
else if (!strcmp(this_opt, "bios"))
nobios = !value;
else if (!strcmp(this_opt, "init"))
noinit = !value;
else if (!strcmp(this_opt, "mtrr"))
mtrr = value;
else if (!strcmp(this_opt, "inv24"))
inv24 = value;
else if (!strcmp(this_opt, "cross4MB"))
cross4MB = value;
else if (!strcmp(this_opt, "grayscale"))
grayscale = value;
else if (!strcmp(this_opt, "dfp"))
dfp = value;
else {
strlcpy(videomode, this_opt, sizeof(videomode));
}
}
}
return 0;
}
static int __initdata initialized = 0;
static int __init matroxfb_init(void)
{
char *option = NULL;
int err = 0;
DBG(__func__)
if (fb_get_options("matroxfb", &option))
return -ENODEV;
matroxfb_setup(option);
if (disabled)
return -ENXIO;
if (!initialized) {
initialized = 1;
err = matrox_init();
}
hotplug = 1;
/* never return failure, user can hotplug matrox later... */
return err;
}
module_init(matroxfb_init);
#else
/* *************************** init module code **************************** */
MODULE_AUTHOR("(c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>");
MODULE_DESCRIPTION("Accelerated FBDev driver for Matrox Millennium/Mystique/G100/G200/G400/G450/G550");
MODULE_LICENSE("GPL");
module_param(mem, int, 0);
MODULE_PARM_DESC(mem, "Size of available memory in MB, KB or B (2,4,8,12,16MB, default=autodetect)");
module_param(disabled, int, 0);
MODULE_PARM_DESC(disabled, "Disabled (0 or 1=disabled) (default=0)");
module_param(noaccel, int, 0);
MODULE_PARM_DESC(noaccel, "Do not use accelerating engine (0 or 1=disabled) (default=0)");
module_param(nopan, int, 0);
MODULE_PARM_DESC(nopan, "Disable pan on startup (0 or 1=disabled) (default=0)");
module_param(no_pci_retry, int, 0);
MODULE_PARM_DESC(no_pci_retry, "PCI retries enabled (0 or 1=disabled) (default=0)");
module_param(novga, int, 0);
MODULE_PARM_DESC(novga, "VGA I/O (0x3C0-0x3DF) disabled (0 or 1=disabled) (default=0)");
module_param(nobios, int, 0);
MODULE_PARM_DESC(nobios, "Disables ROM BIOS (0 or 1=disabled) (default=do not change BIOS state)");
module_param(noinit, int, 0);
MODULE_PARM_DESC(noinit, "Disables W/SG/SD-RAM and bus interface initialization (0 or 1=do not initialize) (default=0)");
module_param(memtype, int, 0);
MODULE_PARM_DESC(memtype, "Memory type for G200/G400 (see Documentation/fb/matroxfb.rst for explanation) (default=3 for G200, 0 for G400)");
module_param(mtrr, int, 0);
MODULE_PARM_DESC(mtrr, "This speeds up video memory accesses (0=disabled or 1) (default=1)");
module_param(sgram, int, 0);
MODULE_PARM_DESC(sgram, "Indicates that G100/G200/G400 has SGRAM memory (0=SDRAM, 1=SGRAM) (default=0)");
module_param(inv24, int, 0);
MODULE_PARM_DESC(inv24, "Inverts clock polarity for 24bpp and loop frequency > 100MHz (default=do not invert polarity)");
module_param(inverse, int, 0);
MODULE_PARM_DESC(inverse, "Inverse (0 or 1) (default=0)");
module_param(dev, int, 0);
MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=all working)");
module_param(vesa, int, 0);
MODULE_PARM_DESC(vesa, "Startup videomode (0x000-0x1FF) (default=0x101)");
module_param(xres, int, 0);
MODULE_PARM_DESC(xres, "Horizontal resolution (px), overrides xres from vesa (default=vesa)");
module_param(yres, int, 0);
MODULE_PARM_DESC(yres, "Vertical resolution (scans), overrides yres from vesa (default=vesa)");
module_param(upper, int, 0);
MODULE_PARM_DESC(upper, "Upper blank space (scans), overrides upper from vesa (default=vesa)");
module_param(lower, int, 0);
MODULE_PARM_DESC(lower, "Lower blank space (scans), overrides lower from vesa (default=vesa)");
module_param(vslen, int, 0);
MODULE_PARM_DESC(vslen, "Vertical sync length (scans), overrides lower from vesa (default=vesa)");
module_param(left, int, 0);
MODULE_PARM_DESC(left, "Left blank space (px), overrides left from vesa (default=vesa)");
module_param(right, int, 0);
MODULE_PARM_DESC(right, "Right blank space (px), overrides right from vesa (default=vesa)");
module_param(hslen, int, 0);
MODULE_PARM_DESC(hslen, "Horizontal sync length (px), overrides hslen from vesa (default=vesa)");
module_param(pixclock, int, 0);
MODULE_PARM_DESC(pixclock, "Pixelclock (ns), overrides pixclock from vesa (default=vesa)");
module_param(sync, int, 0);
MODULE_PARM_DESC(sync, "Sync polarity, overrides sync from vesa (default=vesa)");
module_param(depth, int, 0);
MODULE_PARM_DESC(depth, "Color depth (0=text,8,15,16,24,32) (default=vesa)");
module_param(maxclk, int, 0);
MODULE_PARM_DESC(maxclk, "Startup maximal clock, 0-999MHz, 1000-999999kHz, 1000000-INF Hz");
module_param(fh, int, 0);
MODULE_PARM_DESC(fh, "Startup horizontal frequency, 0-999kHz, 1000-INF Hz");
module_param(fv, int, 0);
MODULE_PARM_DESC(fv, "Startup vertical frequency, 0-INF Hz\n"
"You should specify \"fv:max_monitor_vsync,fh:max_monitor_hsync,maxclk:max_monitor_dotclock\"");
module_param(grayscale, int, 0);
MODULE_PARM_DESC(grayscale, "Sets display into grayscale. Works perfectly with paletized videomode (4, 8bpp), some limitations apply to 16, 24 and 32bpp videomodes (default=nograyscale)");
module_param(cross4MB, int, 0);
MODULE_PARM_DESC(cross4MB, "Specifies that 4MB boundary can be in middle of line. (default=autodetected)");
module_param(dfp, int, 0);
MODULE_PARM_DESC(dfp, "Specifies whether to use digital flat panel interface of G200/G400 (0 or 1) (default=0)");
module_param(dfp_type, int, 0);
MODULE_PARM_DESC(dfp_type, "Specifies DFP interface type (0 to 255) (default=read from hardware)");
module_param_string(outputs, outputs, sizeof(outputs), 0);
MODULE_PARM_DESC(outputs, "Specifies which CRTC is mapped to which output (string of up to three letters, consisting of 0 (disabled), 1 (CRTC1), 2 (CRTC2)) (default=111 for Gx50, 101 for G200/G400 with DFP, and 100 for all other devices)");
#ifdef CONFIG_PPC_PMAC
module_param_named(vmode, default_vmode, int, 0);
MODULE_PARM_DESC(vmode, "Specify the vmode mode number that should be used (640x480 default)");
module_param_named(cmode, default_cmode, int, 0);
MODULE_PARM_DESC(cmode, "Specify the video depth that should be used (8bit default)");
#endif
int __init init_module(void){
DBG(__func__)
if (disabled)
return -ENXIO;
if (depth == 0)
depth = RSText;
else if (depth == 4)
depth = RS4bpp;
else if (depth == 8)
depth = RS8bpp;
else if (depth == 15)
depth = RS15bpp;
else if (depth == 16)
depth = RS16bpp;
else if (depth == 24)
depth = RS24bpp;
else if (depth == 32)
depth = RS32bpp;
else if (depth != -1) {
printk(KERN_ERR "matroxfb: depth %d is not supported, using default\n", depth);
depth = -1;
}
matrox_init();
/* never return failure; user can hotplug matrox later... */
return 0;
}
#endif /* MODULE */
module_exit(matrox_done);
EXPORT_SYMBOL(matroxfb_register_driver);
EXPORT_SYMBOL(matroxfb_unregister_driver);
EXPORT_SYMBOL(matroxfb_wait_for_sync);
EXPORT_SYMBOL(matroxfb_enable_irq);
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* ---------------------------------------------------------------------------
* Local variables:
* c-basic-offset: 8
* End:
*/
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