740 lines
20 KiB
C
740 lines
20 KiB
C
|
// SPDX-License-Identifier: GPL-2.0-only
|
||
|
|
/*
|
||
|
|
*
|
||
|
|
* Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450.
|
||
|
|
*
|
||
|
|
* (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
|
||
|
|
*
|
||
|
|
* Portions Copyright (c) 2001 Matrox Graphics Inc.
|
||
|
|
*
|
||
|
|
* Version: 1.65 2002/08/14
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "matroxfb_maven.h"
|
||
|
|
#include "matroxfb_crtc2.h"
|
||
|
|
#include "matroxfb_misc.h"
|
||
|
|
#include "matroxfb_DAC1064.h"
|
||
|
|
#include <linux/matroxfb.h>
|
||
|
|
#include <linux/slab.h>
|
||
|
|
#include <linux/uaccess.h>
|
||
|
|
|
||
|
|
/* **************************************************** */
|
||
|
|
|
||
|
|
static int mem = 8192;
|
||
|
|
|
||
|
|
module_param(mem, int, 0);
|
||
|
|
MODULE_PARM_DESC(mem, "Memory size reserved for dualhead (default=8MB)");
|
||
|
|
|
||
|
|
/* **************************************************** */
|
||
|
|
|
||
|
|
static int matroxfb_dh_setcolreg(unsigned regno, unsigned red, unsigned green,
|
||
|
|
unsigned blue, unsigned transp, struct fb_info* info) {
|
||
|
|
u_int32_t col;
|
||
|
|
#define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon))
|
||
|
|
|
||
|
|
if (regno >= 16)
|
||
|
|
return 1;
|
||
|
|
if (m2info->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, m2info->fbcon.var.red.length);
|
||
|
|
green = CNVT_TOHW(green, m2info->fbcon.var.green.length);
|
||
|
|
blue = CNVT_TOHW(blue, m2info->fbcon.var.blue.length);
|
||
|
|
transp = CNVT_TOHW(transp, m2info->fbcon.var.transp.length);
|
||
|
|
|
||
|
|
col = (red << m2info->fbcon.var.red.offset) |
|
||
|
|
(green << m2info->fbcon.var.green.offset) |
|
||
|
|
(blue << m2info->fbcon.var.blue.offset) |
|
||
|
|
(transp << m2info->fbcon.var.transp.offset);
|
||
|
|
|
||
|
|
switch (m2info->fbcon.var.bits_per_pixel) {
|
||
|
|
case 16:
|
||
|
|
m2info->cmap[regno] = col | (col << 16);
|
||
|
|
break;
|
||
|
|
case 32:
|
||
|
|
m2info->cmap[regno] = col;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
#undef m2info
|
||
|
|
}
|
||
|
|
|
||
|
|
static void matroxfb_dh_restore(struct matroxfb_dh_fb_info* m2info,
|
||
|
|
struct my_timming* mt,
|
||
|
|
int mode,
|
||
|
|
unsigned int pos) {
|
||
|
|
u_int32_t tmp;
|
||
|
|
u_int32_t datactl;
|
||
|
|
struct matrox_fb_info *minfo = m2info->primary_dev;
|
||
|
|
|
||
|
|
switch (mode) {
|
||
|
|
case 15:
|
||
|
|
tmp = 0x00200000;
|
||
|
|
break;
|
||
|
|
case 16:
|
||
|
|
tmp = 0x00400000;
|
||
|
|
break;
|
||
|
|
/* case 32: */
|
||
|
|
default:
|
||
|
|
tmp = 0x00800000;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
tmp |= 0x00000001; /* enable CRTC2 */
|
||
|
|
datactl = 0;
|
||
|
|
if (minfo->outputs[1].src == MATROXFB_SRC_CRTC2) {
|
||
|
|
if (minfo->devflags.g450dac) {
|
||
|
|
tmp |= 0x00000006; /* source from secondary pixel PLL */
|
||
|
|
/* no vidrst when in monitor mode */
|
||
|
|
if (minfo->outputs[1].mode != MATROXFB_OUTPUT_MODE_MONITOR) {
|
||
|
|
tmp |= 0xC0001000; /* Enable H/V vidrst */
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
tmp |= 0x00000002; /* source from VDOCLK */
|
||
|
|
tmp |= 0xC0000000; /* enable vvidrst & hvidrst */
|
||
|
|
/* MGA TVO is our clock source */
|
||
|
|
}
|
||
|
|
} else if (minfo->outputs[0].src == MATROXFB_SRC_CRTC2) {
|
||
|
|
tmp |= 0x00000004; /* source from pixclock */
|
||
|
|
/* PIXPLL is our clock source */
|
||
|
|
}
|
||
|
|
if (minfo->outputs[0].src == MATROXFB_SRC_CRTC2) {
|
||
|
|
tmp |= 0x00100000; /* connect CRTC2 to DAC */
|
||
|
|
}
|
||
|
|
if (mt->interlaced) {
|
||
|
|
tmp |= 0x02000000; /* interlaced, second field is bigger, as G450 apparently ignores it */
|
||
|
|
mt->VDisplay >>= 1;
|
||
|
|
mt->VSyncStart >>= 1;
|
||
|
|
mt->VSyncEnd >>= 1;
|
||
|
|
mt->VTotal >>= 1;
|
||
|
|
}
|
||
|
|
if ((mt->HTotal & 7) == 2) {
|
||
|
|
datactl |= 0x00000010;
|
||
|
|
mt->HTotal &= ~7;
|
||
|
|
}
|
||
|
|
tmp |= 0x10000000; /* 0x10000000 is VIDRST polarity */
|
||
|
|
mga_outl(0x3C14, ((mt->HDisplay - 8) << 16) | (mt->HTotal - 8));
|
||
|
|
mga_outl(0x3C18, ((mt->HSyncEnd - 8) << 16) | (mt->HSyncStart - 8));
|
||
|
|
mga_outl(0x3C1C, ((mt->VDisplay - 1) << 16) | (mt->VTotal - 1));
|
||
|
|
mga_outl(0x3C20, ((mt->VSyncEnd - 1) << 16) | (mt->VSyncStart - 1));
|
||
|
|
mga_outl(0x3C24, ((mt->VSyncStart) << 16) | (mt->HSyncStart)); /* preload */
|
||
|
|
{
|
||
|
|
u_int32_t linelen = m2info->fbcon.var.xres_virtual * (m2info->fbcon.var.bits_per_pixel >> 3);
|
||
|
|
if (tmp & 0x02000000) {
|
||
|
|
/* field #0 is smaller, so... */
|
||
|
|
mga_outl(0x3C2C, pos); /* field #1 vmemory start */
|
||
|
|
mga_outl(0x3C28, pos + linelen); /* field #0 vmemory start */
|
||
|
|
linelen <<= 1;
|
||
|
|
m2info->interlaced = 1;
|
||
|
|
} else {
|
||
|
|
mga_outl(0x3C28, pos); /* vmemory start */
|
||
|
|
m2info->interlaced = 0;
|
||
|
|
}
|
||
|
|
mga_outl(0x3C40, linelen);
|
||
|
|
}
|
||
|
|
mga_outl(0x3C4C, datactl); /* data control */
|
||
|
|
if (tmp & 0x02000000) {
|
||
|
|
int i;
|
||
|
|
|
||
|
|
mga_outl(0x3C10, tmp & ~0x02000000);
|
||
|
|
for (i = 0; i < 2; i++) {
|
||
|
|
unsigned int nl;
|
||
|
|
unsigned int lastl = 0;
|
||
|
|
|
||
|
|
while ((nl = mga_inl(0x3C48) & 0xFFF) >= lastl) {
|
||
|
|
lastl = nl;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
mga_outl(0x3C10, tmp);
|
||
|
|
minfo->hw.crtc2.ctl = tmp;
|
||
|
|
|
||
|
|
tmp = mt->VDisplay << 16; /* line compare */
|
||
|
|
if (mt->sync & FB_SYNC_HOR_HIGH_ACT)
|
||
|
|
tmp |= 0x00000100;
|
||
|
|
if (mt->sync & FB_SYNC_VERT_HIGH_ACT)
|
||
|
|
tmp |= 0x00000200;
|
||
|
|
mga_outl(0x3C44, tmp);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void matroxfb_dh_disable(struct matroxfb_dh_fb_info* m2info) {
|
||
|
|
struct matrox_fb_info *minfo = m2info->primary_dev;
|
||
|
|
|
||
|
|
mga_outl(0x3C10, 0x00000004); /* disable CRTC2, CRTC1->DAC1, PLL as clock source */
|
||
|
|
minfo->hw.crtc2.ctl = 0x00000004;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void matroxfb_dh_pan_var(struct matroxfb_dh_fb_info* m2info,
|
||
|
|
struct fb_var_screeninfo* var) {
|
||
|
|
unsigned int pos;
|
||
|
|
unsigned int linelen;
|
||
|
|
unsigned int pixelsize;
|
||
|
|
struct matrox_fb_info *minfo = m2info->primary_dev;
|
||
|
|
|
||
|
|
m2info->fbcon.var.xoffset = var->xoffset;
|
||
|
|
m2info->fbcon.var.yoffset = var->yoffset;
|
||
|
|
pixelsize = m2info->fbcon.var.bits_per_pixel >> 3;
|
||
|
|
linelen = m2info->fbcon.var.xres_virtual * pixelsize;
|
||
|
|
pos = m2info->fbcon.var.yoffset * linelen + m2info->fbcon.var.xoffset * pixelsize;
|
||
|
|
pos += m2info->video.offbase;
|
||
|
|
if (m2info->interlaced) {
|
||
|
|
mga_outl(0x3C2C, pos);
|
||
|
|
mga_outl(0x3C28, pos + linelen);
|
||
|
|
} else {
|
||
|
|
mga_outl(0x3C28, pos);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static int matroxfb_dh_decode_var(struct matroxfb_dh_fb_info* m2info,
|
||
|
|
struct fb_var_screeninfo* var,
|
||
|
|
int *visual,
|
||
|
|
int *video_cmap_len,
|
||
|
|
int *mode) {
|
||
|
|
unsigned int mask;
|
||
|
|
unsigned int memlen;
|
||
|
|
unsigned int vramlen;
|
||
|
|
|
||
|
|
switch (var->bits_per_pixel) {
|
||
|
|
case 16: mask = 0x1F;
|
||
|
|
break;
|
||
|
|
case 32: mask = 0x0F;
|
||
|
|
break;
|
||
|
|
default: return -EINVAL;
|
||
|
|
}
|
||
|
|
vramlen = m2info->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 = (var->xres_virtual + mask) & ~mask;
|
||
|
|
if (var->yres_virtual > 32767)
|
||
|
|
return -EINVAL;
|
||
|
|
memlen = var->xres_virtual * var->yres_virtual * (var->bits_per_pixel >> 3);
|
||
|
|
if (memlen > vramlen)
|
||
|
|
return -EINVAL;
|
||
|
|
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;
|
||
|
|
|
||
|
|
var->xres &= ~7;
|
||
|
|
var->left_margin &= ~7;
|
||
|
|
var->right_margin &= ~7;
|
||
|
|
var->hsync_len &= ~7;
|
||
|
|
|
||
|
|
*mode = var->bits_per_pixel;
|
||
|
|
if (var->bits_per_pixel == 16) {
|
||
|
|
if (var->green.length == 5) {
|
||
|
|
var->red.offset = 10;
|
||
|
|
var->red.length = 5;
|
||
|
|
var->green.offset = 5;
|
||
|
|
var->green.length = 5;
|
||
|
|
var->blue.offset = 0;
|
||
|
|
var->blue.length = 5;
|
||
|
|
var->transp.offset = 15;
|
||
|
|
var->transp.length = 1;
|
||
|
|
*mode = 15;
|
||
|
|
} else {
|
||
|
|
var->red.offset = 11;
|
||
|
|
var->red.length = 5;
|
||
|
|
var->green.offset = 5;
|
||
|
|
var->green.length = 6;
|
||
|
|
var->blue.offset = 0;
|
||
|
|
var->blue.length = 5;
|
||
|
|
var->transp.offset = 0;
|
||
|
|
var->transp.length = 0;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
var->red.offset = 16;
|
||
|
|
var->red.length = 8;
|
||
|
|
var->green.offset = 8;
|
||
|
|
var->green.length = 8;
|
||
|
|
var->blue.offset = 0;
|
||
|
|
var->blue.length = 8;
|
||
|
|
var->transp.offset = 24;
|
||
|
|
var->transp.length = 8;
|
||
|
|
}
|
||
|
|
*visual = FB_VISUAL_TRUECOLOR;
|
||
|
|
*video_cmap_len = 16;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int matroxfb_dh_open(struct fb_info* info, int user) {
|
||
|
|
#define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon))
|
||
|
|
struct matrox_fb_info *minfo = m2info->primary_dev;
|
||
|
|
|
||
|
|
if (minfo) {
|
||
|
|
int err;
|
||
|
|
|
||
|
|
if (minfo->dead) {
|
||
|
|
return -ENXIO;
|
||
|
|
}
|
||
|
|
err = minfo->fbops.fb_open(&minfo->fbcon, user);
|
||
|
|
if (err) {
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
#undef m2info
|
||
|
|
}
|
||
|
|
|
||
|
|
static int matroxfb_dh_release(struct fb_info* info, int user) {
|
||
|
|
#define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon))
|
||
|
|
int err = 0;
|
||
|
|
struct matrox_fb_info *minfo = m2info->primary_dev;
|
||
|
|
|
||
|
|
if (minfo) {
|
||
|
|
err = minfo->fbops.fb_release(&minfo->fbcon, user);
|
||
|
|
}
|
||
|
|
return err;
|
||
|
|
#undef m2info
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This function is called before the register_framebuffer so
|
||
|
|
* no locking is needed.
|
||
|
|
*/
|
||
|
|
static void matroxfb_dh_init_fix(struct matroxfb_dh_fb_info *m2info)
|
||
|
|
{
|
||
|
|
struct fb_fix_screeninfo *fix = &m2info->fbcon.fix;
|
||
|
|
|
||
|
|
strcpy(fix->id, "MATROX DH");
|
||
|
|
|
||
|
|
fix->smem_start = m2info->video.base;
|
||
|
|
fix->smem_len = m2info->video.len_usable;
|
||
|
|
fix->ypanstep = 1;
|
||
|
|
fix->ywrapstep = 0;
|
||
|
|
fix->xpanstep = 8; /* TBD */
|
||
|
|
fix->mmio_start = m2info->mmio.base;
|
||
|
|
fix->mmio_len = m2info->mmio.len;
|
||
|
|
fix->accel = 0; /* no accel... */
|
||
|
|
}
|
||
|
|
|
||
|
|
static int matroxfb_dh_check_var(struct fb_var_screeninfo* var, struct fb_info* info) {
|
||
|
|
#define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon))
|
||
|
|
int visual;
|
||
|
|
int cmap_len;
|
||
|
|
int mode;
|
||
|
|
|
||
|
|
return matroxfb_dh_decode_var(m2info, var, &visual, &cmap_len, &mode);
|
||
|
|
#undef m2info
|
||
|
|
}
|
||
|
|
|
||
|
|
static int matroxfb_dh_set_par(struct fb_info* info) {
|
||
|
|
#define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon))
|
||
|
|
int visual;
|
||
|
|
int cmap_len;
|
||
|
|
int mode;
|
||
|
|
int err;
|
||
|
|
struct fb_var_screeninfo* var = &info->var;
|
||
|
|
struct matrox_fb_info *minfo = m2info->primary_dev;
|
||
|
|
|
||
|
|
if ((err = matroxfb_dh_decode_var(m2info, var, &visual, &cmap_len, &mode)) != 0)
|
||
|
|
return err;
|
||
|
|
/* cmap */
|
||
|
|
{
|
||
|
|
m2info->fbcon.screen_base = vaddr_va(m2info->video.vbase);
|
||
|
|
m2info->fbcon.fix.visual = visual;
|
||
|
|
m2info->fbcon.fix.type = FB_TYPE_PACKED_PIXELS;
|
||
|
|
m2info->fbcon.fix.type_aux = 0;
|
||
|
|
m2info->fbcon.fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3;
|
||
|
|
}
|
||
|
|
{
|
||
|
|
struct my_timming mt;
|
||
|
|
unsigned int pos;
|
||
|
|
int out;
|
||
|
|
int cnt;
|
||
|
|
|
||
|
|
matroxfb_var2my(&m2info->fbcon.var, &mt);
|
||
|
|
mt.crtc = MATROXFB_SRC_CRTC2;
|
||
|
|
/* CRTC2 delay */
|
||
|
|
mt.delay = 34;
|
||
|
|
|
||
|
|
pos = (m2info->fbcon.var.yoffset * m2info->fbcon.var.xres_virtual + m2info->fbcon.var.xoffset) * m2info->fbcon.var.bits_per_pixel >> 3;
|
||
|
|
pos += m2info->video.offbase;
|
||
|
|
cnt = 0;
|
||
|
|
down_read(&minfo->altout.lock);
|
||
|
|
for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
|
||
|
|
if (minfo->outputs[out].src == MATROXFB_SRC_CRTC2) {
|
||
|
|
cnt++;
|
||
|
|
if (minfo->outputs[out].output->compute) {
|
||
|
|
minfo->outputs[out].output->compute(minfo->outputs[out].data, &mt);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
minfo->crtc2.pixclock = mt.pixclock;
|
||
|
|
minfo->crtc2.mnp = mt.mnp;
|
||
|
|
up_read(&minfo->altout.lock);
|
||
|
|
if (cnt) {
|
||
|
|
matroxfb_dh_restore(m2info, &mt, mode, pos);
|
||
|
|
} else {
|
||
|
|
matroxfb_dh_disable(m2info);
|
||
|
|
}
|
||
|
|
DAC1064_global_init(minfo);
|
||
|
|
DAC1064_global_restore(minfo);
|
||
|
|
down_read(&minfo->altout.lock);
|
||
|
|
for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
|
||
|
|
if (minfo->outputs[out].src == MATROXFB_SRC_CRTC2 &&
|
||
|
|
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_CRTC2 &&
|
||
|
|
minfo->outputs[out].output->start) {
|
||
|
|
minfo->outputs[out].output->start(minfo->outputs[out].data);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
up_read(&minfo->altout.lock);
|
||
|
|
}
|
||
|
|
m2info->initialized = 1;
|
||
|
|
return 0;
|
||
|
|
#undef m2info
|
||
|
|
}
|
||
|
|
|
||
|
|
static int matroxfb_dh_pan_display(struct fb_var_screeninfo* var, struct fb_info* info) {
|
||
|
|
#define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon))
|
||
|
|
matroxfb_dh_pan_var(m2info, var);
|
||
|
|
return 0;
|
||
|
|
#undef m2info
|
||
|
|
}
|
||
|
|
|
||
|
|
static int matroxfb_dh_get_vblank(const struct matroxfb_dh_fb_info* m2info, struct fb_vblank* vblank) {
|
||
|
|
struct matrox_fb_info *minfo = m2info->primary_dev;
|
||
|
|
|
||
|
|
matroxfb_enable_irq(minfo, 0);
|
||
|
|
memset(vblank, 0, sizeof(*vblank));
|
||
|
|
vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VBLANK;
|
||
|
|
/* mask out reserved bits + field number (odd/even) */
|
||
|
|
vblank->vcount = mga_inl(0x3C48) & 0x000007FF;
|
||
|
|
/* compatibility stuff */
|
||
|
|
if (vblank->vcount >= m2info->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->crtc2.vsync.cnt;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int matroxfb_dh_ioctl(struct fb_info *info,
|
||
|
|
unsigned int cmd,
|
||
|
|
unsigned long arg)
|
||
|
|
{
|
||
|
|
#define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon))
|
||
|
|
struct matrox_fb_info *minfo = m2info->primary_dev;
|
||
|
|
|
||
|
|
DBG(__func__)
|
||
|
|
|
||
|
|
switch (cmd) {
|
||
|
|
case FBIOGET_VBLANK:
|
||
|
|
{
|
||
|
|
struct fb_vblank vblank;
|
||
|
|
int err;
|
||
|
|
|
||
|
|
err = matroxfb_dh_get_vblank(m2info, &vblank);
|
||
|
|
if (err)
|
||
|
|
return err;
|
||
|
|
if (copy_to_user((void __user *)arg, &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;
|
||
|
|
|
||
|
|
if (crt != 0)
|
||
|
|
return -ENODEV;
|
||
|
|
return matroxfb_wait_for_sync(minfo, 1);
|
||
|
|
}
|
||
|
|
case MATROXFB_SET_OUTPUT_MODE:
|
||
|
|
case MATROXFB_GET_OUTPUT_MODE:
|
||
|
|
case MATROXFB_GET_ALL_OUTPUTS:
|
||
|
|
{
|
||
|
|
return minfo->fbcon.fbops->fb_ioctl(&minfo->fbcon, cmd, arg);
|
||
|
|
}
|
||
|
|
case MATROXFB_SET_OUTPUT_CONNECTION:
|
||
|
|
{
|
||
|
|
u_int32_t tmp;
|
||
|
|
int out;
|
||
|
|
int changes;
|
||
|
|
|
||
|
|
if (get_user(tmp, (u_int32_t __user *)arg))
|
||
|
|
return -EFAULT;
|
||
|
|
for (out = 0; out < 32; out++) {
|
||
|
|
if (tmp & (1 << out)) {
|
||
|
|
if (out >= MATROXFB_MAX_OUTPUTS)
|
||
|
|
return -ENXIO;
|
||
|
|
if (!minfo->outputs[out].output)
|
||
|
|
return -ENXIO;
|
||
|
|
switch (minfo->outputs[out].src) {
|
||
|
|
case MATROXFB_SRC_NONE:
|
||
|
|
case MATROXFB_SRC_CRTC2:
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return -EBUSY;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (minfo->devflags.panellink) {
|
||
|
|
if (tmp & MATROXFB_OUTPUT_CONN_DFP)
|
||
|
|
return -EINVAL;
|
||
|
|
if ((minfo->outputs[2].src == MATROXFB_SRC_CRTC1) && tmp)
|
||
|
|
return -EBUSY;
|
||
|
|
}
|
||
|
|
changes = 0;
|
||
|
|
for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
|
||
|
|
if (tmp & (1 << out)) {
|
||
|
|
if (minfo->outputs[out].src != MATROXFB_SRC_CRTC2) {
|
||
|
|
changes = 1;
|
||
|
|
minfo->outputs[out].src = MATROXFB_SRC_CRTC2;
|
||
|
|
}
|
||
|
|
} else if (minfo->outputs[out].src == MATROXFB_SRC_CRTC2) {
|
||
|
|
changes = 1;
|
||
|
|
minfo->outputs[out].src = MATROXFB_SRC_NONE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!changes)
|
||
|
|
return 0;
|
||
|
|
matroxfb_dh_set_par(info);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
case MATROXFB_GET_OUTPUT_CONNECTION:
|
||
|
|
{
|
||
|
|
u_int32_t conn = 0;
|
||
|
|
int out;
|
||
|
|
|
||
|
|
for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
|
||
|
|
if (minfo->outputs[out].src == MATROXFB_SRC_CRTC2) {
|
||
|
|
conn |= 1 << out;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (put_user(conn, (u_int32_t __user *)arg))
|
||
|
|
return -EFAULT;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
case MATROXFB_GET_AVAILABLE_OUTPUTS:
|
||
|
|
{
|
||
|
|
u_int32_t tmp = 0;
|
||
|
|
int out;
|
||
|
|
|
||
|
|
for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
|
||
|
|
if (minfo->outputs[out].output) {
|
||
|
|
switch (minfo->outputs[out].src) {
|
||
|
|
case MATROXFB_SRC_NONE:
|
||
|
|
case MATROXFB_SRC_CRTC2:
|
||
|
|
tmp |= 1 << out;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (minfo->devflags.panellink) {
|
||
|
|
tmp &= ~MATROXFB_OUTPUT_CONN_DFP;
|
||
|
|
if (minfo->outputs[2].src == MATROXFB_SRC_CRTC1) {
|
||
|
|
tmp = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (put_user(tmp, (u_int32_t __user *)arg))
|
||
|
|
return -EFAULT;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return -ENOTTY;
|
||
|
|
#undef m2info
|
||
|
|
}
|
||
|
|
|
||
|
|
static int matroxfb_dh_blank(int blank, struct fb_info* info) {
|
||
|
|
#define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon))
|
||
|
|
switch (blank) {
|
||
|
|
case 1:
|
||
|
|
case 2:
|
||
|
|
case 3:
|
||
|
|
case 4:
|
||
|
|
default:;
|
||
|
|
}
|
||
|
|
/* do something... */
|
||
|
|
return 0;
|
||
|
|
#undef m2info
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct fb_ops matroxfb_dh_ops = {
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.fb_open = matroxfb_dh_open,
|
||
|
|
.fb_release = matroxfb_dh_release,
|
||
|
|
.fb_check_var = matroxfb_dh_check_var,
|
||
|
|
.fb_set_par = matroxfb_dh_set_par,
|
||
|
|
.fb_setcolreg = matroxfb_dh_setcolreg,
|
||
|
|
.fb_pan_display =matroxfb_dh_pan_display,
|
||
|
|
.fb_blank = matroxfb_dh_blank,
|
||
|
|
.fb_ioctl = matroxfb_dh_ioctl,
|
||
|
|
.fb_fillrect = cfb_fillrect,
|
||
|
|
.fb_copyarea = cfb_copyarea,
|
||
|
|
.fb_imageblit = cfb_imageblit,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct fb_var_screeninfo matroxfb_dh_defined = {
|
||
|
|
640,480,640,480,/* W,H, virtual W,H */
|
||
|
|
0,0, /* offset */
|
||
|
|
32, /* depth */
|
||
|
|
0, /* gray */
|
||
|
|
{0,0,0}, /* R */
|
||
|
|
{0,0,0}, /* G */
|
||
|
|
{0,0,0}, /* B */
|
||
|
|
{0,0,0}, /* alpha */
|
||
|
|
0, /* nonstd */
|
||
|
|
FB_ACTIVATE_NOW,
|
||
|
|
-1,-1, /* display size */
|
||
|
|
0, /* accel flags */
|
||
|
|
39721L,48L,16L,33L,10L,
|
||
|
|
96L,2,0, /* no sync info */
|
||
|
|
FB_VMODE_NONINTERLACED,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int matroxfb_dh_regit(const struct matrox_fb_info *minfo,
|
||
|
|
struct matroxfb_dh_fb_info *m2info)
|
||
|
|
{
|
||
|
|
#define minfo (m2info->primary_dev)
|
||
|
|
void* oldcrtc2;
|
||
|
|
|
||
|
|
m2info->fbcon.fbops = &matroxfb_dh_ops;
|
||
|
|
m2info->fbcon.flags = FBINFO_FLAG_DEFAULT;
|
||
|
|
m2info->fbcon.flags |= FBINFO_HWACCEL_XPAN |
|
||
|
|
FBINFO_HWACCEL_YPAN;
|
||
|
|
m2info->fbcon.pseudo_palette = m2info->cmap;
|
||
|
|
fb_alloc_cmap(&m2info->fbcon.cmap, 256, 1);
|
||
|
|
|
||
|
|
if (mem < 64)
|
||
|
|
mem *= 1024;
|
||
|
|
if (mem < 64*1024)
|
||
|
|
mem *= 1024;
|
||
|
|
mem &= ~0x00000FFF; /* PAGE_MASK? */
|
||
|
|
if (minfo->video.len_usable + mem <= minfo->video.len)
|
||
|
|
m2info->video.offbase = minfo->video.len - mem;
|
||
|
|
else if (minfo->video.len < mem) {
|
||
|
|
return -ENOMEM;
|
||
|
|
} else { /* check yres on first head... */
|
||
|
|
m2info->video.borrowed = mem;
|
||
|
|
minfo->video.len_usable -= mem;
|
||
|
|
m2info->video.offbase = minfo->video.len_usable;
|
||
|
|
}
|
||
|
|
m2info->video.base = minfo->video.base + m2info->video.offbase;
|
||
|
|
m2info->video.len = m2info->video.len_usable = m2info->video.len_maximum = mem;
|
||
|
|
m2info->video.vbase.vaddr = vaddr_va(minfo->video.vbase) + m2info->video.offbase;
|
||
|
|
m2info->mmio.base = minfo->mmio.base;
|
||
|
|
m2info->mmio.vbase = minfo->mmio.vbase;
|
||
|
|
m2info->mmio.len = minfo->mmio.len;
|
||
|
|
|
||
|
|
matroxfb_dh_init_fix(m2info);
|
||
|
|
if (register_framebuffer(&m2info->fbcon)) {
|
||
|
|
return -ENXIO;
|
||
|
|
}
|
||
|
|
if (!m2info->initialized)
|
||
|
|
fb_set_var(&m2info->fbcon, &matroxfb_dh_defined);
|
||
|
|
down_write(&minfo->crtc2.lock);
|
||
|
|
oldcrtc2 = minfo->crtc2.info;
|
||
|
|
minfo->crtc2.info = m2info;
|
||
|
|
up_write(&minfo->crtc2.lock);
|
||
|
|
if (oldcrtc2) {
|
||
|
|
printk(KERN_ERR "matroxfb_crtc2: Internal consistency check failed: crtc2 already present: %p\n",
|
||
|
|
oldcrtc2);
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
#undef minfo
|
||
|
|
}
|
||
|
|
|
||
|
|
/* ************************** */
|
||
|
|
|
||
|
|
static int matroxfb_dh_registerfb(struct matroxfb_dh_fb_info* m2info) {
|
||
|
|
#define minfo (m2info->primary_dev)
|
||
|
|
if (matroxfb_dh_regit(minfo, m2info)) {
|
||
|
|
printk(KERN_ERR "matroxfb_crtc2: secondary head failed to register\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
printk(KERN_INFO "matroxfb_crtc2: secondary head of fb%u was registered as fb%u\n",
|
||
|
|
minfo->fbcon.node, m2info->fbcon.node);
|
||
|
|
m2info->fbcon_registered = 1;
|
||
|
|
return 0;
|
||
|
|
#undef minfo
|
||
|
|
}
|
||
|
|
|
||
|
|
static void matroxfb_dh_deregisterfb(struct matroxfb_dh_fb_info* m2info) {
|
||
|
|
#define minfo (m2info->primary_dev)
|
||
|
|
if (m2info->fbcon_registered) {
|
||
|
|
int id;
|
||
|
|
struct matroxfb_dh_fb_info* crtc2;
|
||
|
|
|
||
|
|
down_write(&minfo->crtc2.lock);
|
||
|
|
crtc2 = minfo->crtc2.info;
|
||
|
|
if (crtc2 == m2info)
|
||
|
|
minfo->crtc2.info = NULL;
|
||
|
|
up_write(&minfo->crtc2.lock);
|
||
|
|
if (crtc2 != m2info) {
|
||
|
|
printk(KERN_ERR "matroxfb_crtc2: Internal consistency check failed: crtc2 mismatch at unload: %p != %p\n",
|
||
|
|
crtc2, m2info);
|
||
|
|
printk(KERN_ERR "matroxfb_crtc2: Expect kernel crash after module unload.\n");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
id = m2info->fbcon.node;
|
||
|
|
unregister_framebuffer(&m2info->fbcon);
|
||
|
|
/* return memory back to primary head */
|
||
|
|
minfo->video.len_usable += m2info->video.borrowed;
|
||
|
|
printk(KERN_INFO "matroxfb_crtc2: fb%u unregistered\n", id);
|
||
|
|
m2info->fbcon_registered = 0;
|
||
|
|
}
|
||
|
|
#undef minfo
|
||
|
|
}
|
||
|
|
|
||
|
|
static void* matroxfb_crtc2_probe(struct matrox_fb_info* minfo) {
|
||
|
|
struct matroxfb_dh_fb_info* m2info;
|
||
|
|
|
||
|
|
/* hardware is CRTC2 incapable... */
|
||
|
|
if (!minfo->devflags.crtc2)
|
||
|
|
return NULL;
|
||
|
|
m2info = kzalloc(sizeof(*m2info), GFP_KERNEL);
|
||
|
|
if (!m2info)
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
m2info->primary_dev = minfo;
|
||
|
|
if (matroxfb_dh_registerfb(m2info)) {
|
||
|
|
kfree(m2info);
|
||
|
|
printk(KERN_ERR "matroxfb_crtc2: CRTC2 framebuffer failed to register\n");
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
return m2info;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void matroxfb_crtc2_remove(struct matrox_fb_info* minfo, void* crtc2) {
|
||
|
|
matroxfb_dh_deregisterfb(crtc2);
|
||
|
|
kfree(crtc2);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct matroxfb_driver crtc2 = {
|
||
|
|
.name = "Matrox G400 CRTC2",
|
||
|
|
.probe = matroxfb_crtc2_probe,
|
||
|
|
.remove = matroxfb_crtc2_remove };
|
||
|
|
|
||
|
|
static int matroxfb_crtc2_init(void) {
|
||
|
|
if (fb_get_options("matrox_crtc2fb", NULL))
|
||
|
|
return -ENODEV;
|
||
|
|
|
||
|
|
matroxfb_register_driver(&crtc2);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void matroxfb_crtc2_exit(void) {
|
||
|
|
matroxfb_unregister_driver(&crtc2);
|
||
|
|
}
|
||
|
|
|
||
|
|
MODULE_AUTHOR("(c) 1999-2002 Petr Vandrovec <vandrove@vc.cvut.cz>");
|
||
|
|
MODULE_DESCRIPTION("Matrox G400 CRTC2 driver");
|
||
|
|
MODULE_LICENSE("GPL");
|
||
|
|
module_init(matroxfb_crtc2_init);
|
||
|
|
module_exit(matroxfb_crtc2_exit);
|
||
|
|
/* we do not have __setup() yet */
|