// 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
*
* See matroxfb_base.c for contributors.
*
*/
#include <linux/export.h>
#include "matroxfb_base.h"
#include "matroxfb_misc.h"
#include "matroxfb_DAC1064.h"
#include "g450_pll.h"
#include <linux/matroxfb.h>
#include <asm /div64.h>
#include "matroxfb_g450.h"
/* Definition of the various controls */
struct mctl {
struct v4l2_queryctrl desc;
size_t control;
};
#define BLMIN 0 xF3
#define WLMAX 0 x3FF
static const struct mctl g450_controls[] =
{ { { V4L2_CID_BRIGHTNESS, V4L2_CTRL_TYPE_INTEGER,
"brightness" ,
0 , WLMAX-BLMIN, 1 , 370 -BLMIN,
0 ,
}, offsetof(struct matrox_fb_info, altout.tvo_params.brightness) },
{ { V4L2_CID_CONTRAST, V4L2_CTRL_TYPE_INTEGER,
"contrast" ,
0 , 1023 , 1 , 127 ,
0 ,
}, offsetof(struct matrox_fb_info, altout.tvo_params.contrast) },
{ { V4L2_CID_SATURATION, V4L2_CTRL_TYPE_INTEGER,
"saturation" ,
0 , 255 , 1 , 165 ,
0 ,
}, offsetof(struct matrox_fb_info, altout.tvo_params.saturation) },
{ { V4L2_CID_HUE, V4L2_CTRL_TYPE_INTEGER,
"hue" ,
0 , 255 , 1 , 0 ,
0 ,
}, offsetof(struct matrox_fb_info, altout.tvo_params.hue) },
{ { MATROXFB_CID_TESTOUT, V4L2_CTRL_TYPE_BOOLEAN,
"test output" ,
0 , 1 , 1 , 0 ,
0 ,
}, offsetof(struct matrox_fb_info, altout.tvo_params.testout) },
};
#define G450CTRLS ARRAY_SIZE(g450_controls)
/* Return: positive number: id found
-EINVAL: id not found, return failure
-ENOENT: id not found, create fake disabled control */
static int get_ctrl_id(__u32 v4l2_id) {
int i;
for (i = 0 ; i < G450CTRLS; i++) {
if (v4l2_id < g450_controls[i].desc.id) {
if (g450_controls[i].desc.id == 0 x08000000) {
return -EINVAL;
}
return -ENOENT;
}
if (v4l2_id == g450_controls[i].desc.id) {
return i;
}
}
return -EINVAL;
}
static inline int *get_ctrl_ptr(struct matrox_fb_info *minfo, unsigned int idx)
{
return (int *)((char *)minfo + g450_controls[idx].control);
}
static void tvo_fill_defaults(struct matrox_fb_info *minfo)
{
unsigned int i;
for (i = 0 ; i < G450CTRLS; i++) {
*get_ctrl_ptr(minfo, i) = g450_controls[i].desc.default_value;
}
}
static int cve2_get_reg(struct matrox_fb_info *minfo, int reg)
{
unsigned long flags;
int val;
matroxfb_DAC_lock_irqsave(flags);
matroxfb_DAC_out(minfo, 0 x87, reg);
val = matroxfb_DAC_in(minfo, 0 x88);
matroxfb_DAC_unlock_irqrestore(flags);
return val;
}
static void cve2_set_reg(struct matrox_fb_info *minfo, int reg, int val)
{
unsigned long flags;
matroxfb_DAC_lock_irqsave(flags);
matroxfb_DAC_out(minfo, 0 x87, reg);
matroxfb_DAC_out(minfo, 0 x88, val);
matroxfb_DAC_unlock_irqrestore(flags);
}
static void cve2_set_reg10(struct matrox_fb_info *minfo, int reg, int val)
{
unsigned long flags;
matroxfb_DAC_lock_irqsave(flags);
matroxfb_DAC_out(minfo, 0 x87, reg);
matroxfb_DAC_out(minfo, 0 x88, val >> 2 );
matroxfb_DAC_out(minfo, 0 x87, reg + 1 );
matroxfb_DAC_out(minfo, 0 x88, val & 3 );
matroxfb_DAC_unlock_irqrestore(flags);
}
static void g450_compute_bwlevel(const struct matrox_fb_info *minfo, int *bl,
int *wl)
{
const int b = minfo->altout.tvo_params.brightness + BLMIN;
const int c = minfo->altout.tvo_params.contrast;
*bl = max(b - c, BLMIN);
*wl = min(b + c, WLMAX);
}
static int g450_query_ctrl(void * md, struct v4l2_queryctrl *p) {
int i;
i = get_ctrl_id(p->id);
if (i >= 0 ) {
*p = g450_controls[i].desc;
return 0 ;
}
if (i == -ENOENT) {
static const struct v4l2_queryctrl disctrl =
{ .flags = V4L2_CTRL_FLAG_DISABLED };
i = p->id;
*p = disctrl;
p->id = i;
sprintf(p->name, "Ctrl #%08X" , i);
return 0 ;
}
return -EINVAL;
}
static int g450_set_ctrl(void * md, struct v4l2_control *p) {
int i;
struct matrox_fb_info *minfo = md;
i = get_ctrl_id(p->id);
if (i < 0 ) return -EINVAL;
/*
* Check if changed.
*/
if (p->value == *get_ctrl_ptr(minfo, i)) return 0 ;
/*
* Check limits.
*/
if (p->value > g450_controls[i].desc.maximum) return -EINVAL;
if (p->value < g450_controls[i].desc.minimum) return -EINVAL;
/*
* Store new value.
*/
*get_ctrl_ptr(minfo, i) = p->value;
switch (p->id) {
case V4L2_CID_BRIGHTNESS:
case V4L2_CID_CONTRAST:
{
int blacklevel, whitelevel;
g450_compute_bwlevel(minfo, &blacklevel, &whitelevel);
cve2_set_reg10(minfo, 0 x0e, blacklevel);
cve2_set_reg10(minfo, 0 x1e, whitelevel);
}
break ;
case V4L2_CID_SATURATION:
cve2_set_reg(minfo, 0 x20, p->value);
cve2_set_reg(minfo, 0 x22, p->value);
break ;
case V4L2_CID_HUE:
cve2_set_reg(minfo, 0 x25, p->value);
break ;
case MATROXFB_CID_TESTOUT:
{
unsigned char val = cve2_get_reg(minfo, 0 x05);
if (p->value) val |= 0 x02;
else val &= ~0 x02;
cve2_set_reg(minfo, 0 x05, val);
}
break ;
}
return 0 ;
}
static int g450_get_ctrl(void * md, struct v4l2_control *p) {
int i;
struct matrox_fb_info *minfo = md;
i = get_ctrl_id(p->id);
if (i < 0 ) return -EINVAL;
p->value = *get_ctrl_ptr(minfo, i);
return 0 ;
}
struct output_desc {
unsigned int h_vis;
unsigned int h_f_porch;
unsigned int h_sync;
unsigned int h_b_porch;
unsigned long long int chromasc;
unsigned int burst;
unsigned int v_total;
};
static void computeRegs(struct matrox_fb_info *minfo, struct mavenregs *r,
struct my_timming *mt, const struct output_desc *outd)
{
u_int32_t chromasc;
u_int32_t hlen;
u_int32_t hsl;
u_int32_t hbp;
u_int32_t hfp;
u_int32_t hvis;
unsigned int pixclock;
unsigned long long piic;
int mnp;
int over;
r->regs[0 x80] = 0 x03; /* | 0x40 for SCART */
hvis = ((mt->HDisplay << 1 ) + 3 ) & ~3 ;
if (hvis >= 2048 ) {
hvis = 2044 ;
}
piic = 1000000000 ULL * hvis;
do_div(piic, outd->h_vis);
dprintk(KERN_DEBUG "Want %u kHz pixclock\n" , (unsigned int )piic);
mnp = matroxfb_g450_setclk(minfo, piic, M_VIDEO_PLL);
mt->mnp = mnp;
mt->pixclock = g450_mnp2f(minfo, mnp);
dprintk(KERN_DEBUG "MNP=%08X\n" , mnp);
pixclock = 1000000000 U / mt->pixclock;
dprintk(KERN_DEBUG "Got %u ps pixclock\n" , pixclock);
piic = outd->chromasc;
do_div(piic, mt->pixclock);
chromasc = piic;
dprintk(KERN_DEBUG "Chroma is %08X\n" , chromasc);
r->regs[0 ] = piic >> 24 ;
r->regs[1 ] = piic >> 16 ;
r->regs[2 ] = piic >> 8 ;
r->regs[3 ] = piic >> 0 ;
hbp = (((outd->h_b_porch + pixclock) / pixclock)) & ~1 ;
hfp = (((outd->h_f_porch + pixclock) / pixclock)) & ~1 ;
hsl = (((outd->h_sync + pixclock) / pixclock)) & ~1 ;
hlen = hvis + hfp + hsl + hbp;
over = hlen & 0 x0F;
dprintk(KERN_DEBUG "WL: vis=%u, hf=%u, hs=%u, hb=%u, total=%u\n" , hvis, hfp, hsl, hbp, hlen);
if (over) {
hfp -= over;
hlen -= over;
if (over <= 2 ) {
} else if (over < 10 ) {
hfp += 4 ;
hlen += 4 ;
} else {
hfp += 16 ;
hlen += 16 ;
}
}
/* maybe cve2 has requirement 800 < hlen < 1184 */
r->regs[0 x08] = hsl;
r->regs[0 x09] = (outd->burst + pixclock - 1 ) / pixclock; /* burst length */
r->regs[0 x0A] = hbp;
r->regs[0 x2C] = hfp;
r->regs[0 x31] = hvis / 8 ;
r->regs[0 x32] = hvis & 7 ;
dprintk(KERN_DEBUG "PG: vis=%04X, hf=%02X, hs=%02X, hb=%02X, total=%04X\n" , hvis, hfp, hsl, hbp, hlen);
r->regs[0 x84] = 1 ; /* x sync point */
r->regs[0 x85] = 0 ;
hvis = hvis >> 1 ;
hlen = hlen >> 1 ;
dprintk(KERN_DEBUG "hlen=%u hvis=%u\n" , hlen, hvis);
mt->interlaced = 1 ;
mt->HDisplay = hvis & ~7 ;
mt->HSyncStart = mt->HDisplay + 8 ;
mt->HSyncEnd = (hlen & ~7 ) - 8 ;
mt->HTotal = hlen;
{
int upper;
unsigned int vtotal;
unsigned int vsyncend;
unsigned int vdisplay;
vtotal = mt->VTotal;
vsyncend = mt->VSyncEnd;
vdisplay = mt->VDisplay;
if (vtotal < outd->v_total) {
unsigned int yovr = outd->v_total - vtotal;
vsyncend += yovr >> 1 ;
} else if (vtotal > outd->v_total) {
vdisplay = outd->v_total - 4 ;
vsyncend = outd->v_total;
}
upper = (outd->v_total - vsyncend) >> 1 ; /* in field lines */
r->regs[0 x17] = outd->v_total / 4 ;
r->regs[0 x18] = outd->v_total & 3 ;
r->regs[0 x33] = upper - 1 ; /* upper blanking */
r->regs[0 x82] = upper; /* y sync point */
r->regs[0 x83] = upper >> 8 ;
mt->VDisplay = vdisplay;
mt->VSyncStart = outd->v_total - 2 ;
mt->VSyncEnd = outd->v_total;
mt->VTotal = outd->v_total;
}
}
static void cve2_init_TVdata(int norm, struct mavenregs* data, const struct output_desc** outd) {
static const struct output_desc paloutd = {
.h_vis = 52148148 , // ps
.h_f_porch = 1407407 , // ps
.h_sync = 4666667 , // ps
.h_b_porch = 5777778 , // ps
.chromasc = 19042247534182 ULL, // 4433618.750 Hz
.burst = 2518518 , // ps
.v_total = 625 ,
};
static const struct output_desc ntscoutd = {
.h_vis = 52888889 , // ps
.h_f_porch = 1333333 , // ps
.h_sync = 4666667 , // ps
.h_b_porch = 4666667 , // ps
.chromasc = 15374030659475 ULL, // 3579545.454 Hz
.burst = 2418418 , // ps
.v_total = 525 , // lines
};
static const struct mavenregs palregs = { {
0 x2A, 0 x09, 0 x8A, 0 xCB, /* 00: chroma subcarrier */
0 x00,
0 x00, /* test */
0 xF9, /* modified by code (F9 written...) */
0 x00, /* ? not written */
0 x7E, /* 08 */
0 x44, /* 09 */
0 x9C, /* 0A */
0 x2E, /* 0B */
0 x21, /* 0C */
0 x00, /* ? not written */
// 0x3F, 0x03, /* 0E-0F */
0 x3C, 0 x03,
0 x3C, 0 x03, /* 10-11 */
0 x1A, /* 12 */
0 x2A, /* 13 */
0 x1C, 0 x3D, 0 x14, /* 14-16 */
0 x9C, 0 x01, /* 17-18 */
0 x00, /* 19 */
0 xFE, /* 1A */
0 x7E, /* 1B */
0 x60, /* 1C */
0 x05, /* 1D */
// 0x89, 0x03, /* 1E-1F */
0 xAD, 0 x03,
// 0x72, /* 20 */
0 xA5,
0 x07, /* 21 */
// 0x72, /* 22 */
0 xA5,
0 x00, /* 23 */
0 x00, /* 24 */
0 x00, /* 25 */
0 x08, /* 26 */
0 x04, /* 27 */
0 x00, /* 28 */
0 x1A, /* 29 */
0 x55, 0 x01, /* 2A-2B */
0 x26, /* 2C */
0 x07, 0 x7E, /* 2D-2E */
0 x02, 0 x54, /* 2F-30 */
0 xB0, 0 x00, /* 31-32 */
0 x14, /* 33 */
0 x49, /* 34 */
0 x00, /* 35 written multiple times */
0 x00, /* 36 not written */
0 xA3, /* 37 */
0 xC8, /* 38 */
0 x22, /* 39 */
0 x02, /* 3A */
0 x22, /* 3B */
0 x3F, 0 x03, /* 3C-3D */
0 x00, /* 3E written multiple times */
0 x00, /* 3F not written */
} };
static const struct mavenregs ntscregs = { {
0 x21, 0 xF0, 0 x7C, 0 x1F, /* 00: chroma subcarrier */
0 x00,
0 x00, /* test */
0 xF9, /* modified by code (F9 written...) */
0 x00, /* ? not written */
0 x7E, /* 08 */
0 x43, /* 09 */
0 x7E, /* 0A */
0 x3D, /* 0B */
0 x00, /* 0C */
0 x00, /* ? not written */
0 x41, 0 x00, /* 0E-0F */
0 x3C, 0 x00, /* 10-11 */
0 x17, /* 12 */
0 x21, /* 13 */
0 x1B, 0 x1B, 0 x24, /* 14-16 */
0 x83, 0 x01, /* 17-18 */
0 x00, /* 19 */
0 x0F, /* 1A */
0 x0F, /* 1B */
0 x60, /* 1C */
0 x05, /* 1D */
//0x89, 0x02, /* 1E-1F */
0 xC0, 0 x02, /* 1E-1F */
//0x5F, /* 20 */
0 x9C, /* 20 */
0 x04, /* 21 */
//0x5F, /* 22 */
0 x9C, /* 22 */
0 x01, /* 23 */
0 x02, /* 24 */
0 x00, /* 25 */
0 x0A, /* 26 */
0 x05, /* 27 */
0 x00, /* 28 */
0 x10, /* 29 */
0 xFF, 0 x03, /* 2A-2B */
0 x24, /* 2C */
0 x0F, 0 x78, /* 2D-2E */
0 x00, 0 x00, /* 2F-30 */
0 xB2, 0 x04, /* 31-32 */
0 x14, /* 33 */
0 x02, /* 34 */
0 x00, /* 35 written multiple times */
0 x00, /* 36 not written */
0 xA3, /* 37 */
0 xC8, /* 38 */
0 x15, /* 39 */
0 x05, /* 3A */
0 x3B, /* 3B */
0 x3C, 0 x00, /* 3C-3D */
0 x00, /* 3E written multiple times */
0 x00, /* never written */
} };
if (norm == MATROXFB_OUTPUT_MODE_PAL) {
*data = palregs;
*outd = &paloutd;
} else {
*data = ntscregs;
*outd = &ntscoutd;
}
return ;
}
#define LR(x) cve2_set_reg(minfo, (x), m->regs[(x)])
static void cve2_init_TV(struct matrox_fb_info *minfo,
const struct mavenregs *m)
{
int i;
LR(0 x80);
LR(0 x82); LR(0 x83);
LR(0 x84); LR(0 x85);
cve2_set_reg(minfo, 0 x3E, 0 x01);
for (i = 0 ; i < 0 x3E; i++) {
LR(i);
}
cve2_set_reg(minfo, 0 x3E, 0 x00);
}
static int matroxfb_g450_compute(void * md, struct my_timming* mt) {
struct matrox_fb_info *minfo = md;
dprintk(KERN_DEBUG "Computing, mode=%u\n" , minfo->outputs[1 ].mode);
if (mt->crtc == MATROXFB_SRC_CRTC2 &&
minfo->outputs[1 ].mode != MATROXFB_OUTPUT_MODE_MONITOR) {
const struct output_desc* outd;
cve2_init_TVdata(minfo->outputs[1 ].mode, &minfo->hw.maven, &outd);
{
int blacklevel, whitelevel;
g450_compute_bwlevel(minfo, &blacklevel, &whitelevel);
minfo->hw.maven.regs[0 x0E] = blacklevel >> 2 ;
minfo->hw.maven.regs[0 x0F] = blacklevel & 3 ;
minfo->hw.maven.regs[0 x1E] = whitelevel >> 2 ;
minfo->hw.maven.regs[0 x1F] = whitelevel & 3 ;
minfo->hw.maven.regs[0 x20] =
minfo->hw.maven.regs[0 x22] = minfo->altout.tvo_params.saturation;
minfo->hw.maven.regs[0 x25] = minfo->altout.tvo_params.hue;
if (minfo->altout.tvo_params.testout) {
minfo->hw.maven.regs[0 x05] |= 0 x02;
}
}
computeRegs(minfo, &minfo->hw.maven, mt, outd);
} else if (mt->mnp < 0 ) {
/* We must program clocks before CRTC2, otherwise interlaced mode
startup may fail */
mt->mnp = matroxfb_g450_setclk(minfo, mt->pixclock, (mt->crtc == MATROXFB_SRC_CRTC1) ? M_PIXEL_PLL_C : M_VIDEO_PLL);
mt->pixclock = g450_mnp2f(minfo, mt->mnp);
}
dprintk(KERN_DEBUG "Pixclock = %u\n" , mt->pixclock);
return 0 ;
}
static int matroxfb_g450_program(void * md) {
struct matrox_fb_info *minfo = md;
if (minfo->outputs[1 ].mode != MATROXFB_OUTPUT_MODE_MONITOR) {
cve2_init_TV(minfo, &minfo->hw.maven);
}
return 0 ;
}
static int matroxfb_g450_verify_mode(void * md, u_int32_t arg) {
switch (arg) {
case MATROXFB_OUTPUT_MODE_PAL:
case MATROXFB_OUTPUT_MODE_NTSC:
case MATROXFB_OUTPUT_MODE_MONITOR:
return 0 ;
}
return -EINVAL;
}
static int g450_dvi_compute(void * md, struct my_timming* mt) {
struct matrox_fb_info *minfo = md;
if (mt->mnp < 0 ) {
mt->mnp = matroxfb_g450_setclk(minfo, mt->pixclock, (mt->crtc == MATROXFB_SRC_CRTC1) ? M_PIXEL_PLL_C : M_VIDEO_PLL);
mt->pixclock = g450_mnp2f(minfo, mt->mnp);
}
return 0 ;
}
static struct matrox_altout matroxfb_g450_altout = {
.name = "Secondary output" ,
.compute = matroxfb_g450_compute,
.program = matroxfb_g450_program,
.verifymode = matroxfb_g450_verify_mode,
.getqueryctrl = g450_query_ctrl,
.getctrl = g450_get_ctrl,
.setctrl = g450_set_ctrl,
};
static struct matrox_altout matroxfb_g450_dvi = {
.name = "DVI output" ,
.compute = g450_dvi_compute,
};
void matroxfb_g450_connect(struct matrox_fb_info *minfo)
{
if (minfo->devflags.g450dac) {
down_write(&minfo->altout.lock);
tvo_fill_defaults(minfo);
minfo->outputs[1 ].src = minfo->outputs[1 ].default_src;
minfo->outputs[1 ].data = minfo;
minfo->outputs[1 ].output = &matroxfb_g450_altout;
minfo->outputs[1 ].mode = MATROXFB_OUTPUT_MODE_MONITOR;
minfo->outputs[2 ].src = minfo->outputs[2 ].default_src;
minfo->outputs[2 ].data = minfo;
minfo->outputs[2 ].output = &matroxfb_g450_dvi;
minfo->outputs[2 ].mode = MATROXFB_OUTPUT_MODE_MONITOR;
up_write(&minfo->altout.lock);
}
}
void matroxfb_g450_shutdown(struct matrox_fb_info *minfo)
{
if (minfo->devflags.g450dac) {
down_write(&minfo->altout.lock);
minfo->outputs[1 ].src = MATROXFB_SRC_NONE;
minfo->outputs[1 ].output = NULL;
minfo->outputs[1 ].data = NULL;
minfo->outputs[1 ].mode = MATROXFB_OUTPUT_MODE_MONITOR;
minfo->outputs[2 ].src = MATROXFB_SRC_NONE;
minfo->outputs[2 ].output = NULL;
minfo->outputs[2 ].data = NULL;
minfo->outputs[2 ].mode = MATROXFB_OUTPUT_MODE_MONITOR;
up_write(&minfo->altout.lock);
}
}
EXPORT_SYMBOL(matroxfb_g450_connect);
EXPORT_SYMBOL(matroxfb_g450_shutdown);
MODULE_AUTHOR("(c) 2000-2002 Petr Vandrovec <vandrove@vc.cvut.cz>" );
MODULE_DESCRIPTION("Matrox G450/G550 output driver" );
MODULE_LICENSE("GPL" );
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