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linux_dsm_epyc7002/drivers/video/fbdev/matrox/matroxfb_base.c
Dan Carpenter 360772f264 video: fbdev: matrox: the list iterator can't be NULL 
My static checker is complaining because we check "drv" for NULL and
then we dereference it to get the next item in the list.  It can't be
NULL so we can remove this check.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
2017-07-04 17:47:23 +02:00

2609 lines
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/*
*
* 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/slab.h>
#include <linux/uaccess.h>
#ifdef CONFIG_PPC_PMAC
#include <asm/machdep.h>
unsigned char nvram_read_byte(int);
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 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
};
/* 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, 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 struct fb_videomode defaultmode = {
/* 640x480 @ 60Hz, 31.5 kHz */
NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2,
0, FB_VMODE_NONINTERLACED
};
#endif /* !MODULE */
static int hotplug = 0;
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 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_nocache(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;
/* after __init time we are like module... no logo */
minfo->fbcon.flags = hotplug ? FBINFO_FLAG_MODULE : FBINFO_FLAG_DEFAULT;
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;
#ifdef CONFIG_NVRAM
if (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);
for (minfo = matroxfb_l(matroxfb_list.next);
minfo != matroxfb_l(&matroxfb_list);
minfo = matroxfb_l(minfo->next_fb.next)) {
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);
for (minfo = matroxfb_l(matroxfb_list.next);
minfo != matroxfb_l(&matroxfb_list);
minfo = matroxfb_l(minfo->next_fb.next)) {
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 -1;
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 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, 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.txt 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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