/*
*
* 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 "matroxfb_base.h"
#include "matroxfb_misc.h"
#include "matroxfb_DAC1064.h"
#include "g450_pll.h"
#include <linux/matroxfb.h>
#include <asm/uaccess.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 0xF3
#define WLMAX 0x3FF
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 (sizeof(g450_controls)/sizeof(g450_controls[0]))
/* 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 == 0x08000000) {
return -EINVAL;
}
return -ENOENT;
}
if (v4l2_id == g450_controls[i].desc.id) {
return i;
}
}
return -EINVAL;
}
static inline int* get_ctrl_ptr(WPMINFO unsigned int idx) {
return (int*)((char*)MINFO + g450_controls[idx].control);
}
static void tvo_fill_defaults(WPMINFO2) {
unsigned int i;
for (i = 0; i < G450CTRLS; i++) {
*get_ctrl_ptr(PMINFO i) = g450_controls[i].desc.default_value;
}
}
static int cve2_get_reg(WPMINFO int reg) {
unsigned long flags;
int val;
matroxfb_DAC_lock_irqsave(flags);
matroxfb_DAC_out(PMINFO 0x87, reg);
val = matroxfb_DAC_in(PMINFO 0x88);
matroxfb_DAC_unlock_irqrestore(flags);
return val;
}
static void cve2_set_reg(WPMINFO int reg, int val) {
unsigned long flags;
matroxfb_DAC_lock_irqsave(flags);
matroxfb_DAC_out(PMINFO 0x87, reg);
matroxfb_DAC_out(PMINFO 0x88, val);
matroxfb_DAC_unlock_irqrestore(flags);
}
static void cve2_set_reg10(WPMINFO int reg, int val) {
unsigned long flags;
matroxfb_DAC_lock_irqsave(flags);
matroxfb_DAC_out(PMINFO 0x87, reg);
matroxfb_DAC_out(PMINFO 0x88, val >> 2);
matroxfb_DAC_out(PMINFO 0x87, reg + 1);
matroxfb_DAC_out(PMINFO 0x88, val & 3);
matroxfb_DAC_unlock_irqrestore(flags);
}
static void g450_compute_bwlevel(CPMINFO int *bl, int *wl) {
const int b = ACCESS_FBINFO(altout.tvo_params.brightness) + BLMIN;
const int c = ACCESS_FBINFO(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;
MINFO_FROM(md);
i = get_ctrl_id(p->id);
if (i < 0) return -EINVAL;
/*
* Check if changed.
*/
if (p->value == *get_ctrl_ptr(PMINFO 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(PMINFO i) = p->value;
switch (p->id) {
case V4L2_CID_BRIGHTNESS:
case V4L2_CID_CONTRAST:
{
int blacklevel, whitelevel;
g450_compute_bwlevel(PMINFO &blacklevel, &whitelevel);
cve2_set_reg10(PMINFO 0x0e, blacklevel);
cve2_set_reg10(PMINFO 0x1e, whitelevel);
}
break;
case V4L2_CID_SATURATION:
cve2_set_reg(PMINFO 0x20, p->value);
cve2_set_reg(PMINFO 0x22, p->value);
break;
case V4L2_CID_HUE:
cve2_set_reg(PMINFO 0x25, p->value);
break;
case MATROXFB_CID_TESTOUT:
{
unsigned char val = cve2_get_reg (PMINFO 0x05);
if (p->value) val |= 0x02;
else val &= ~0x02;
cve2_set_reg(PMINFO 0x05, val);
}
break;
}
return 0;
}
static int g450_get_ctrl(void* md, struct v4l2_control *p) {
int i;
MINFO_FROM(md);
i = get_ctrl_id(p->id);
if (i < 0) return -EINVAL;
p->value = *get_ctrl_ptr(PMINFO 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(WPMINFO 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[0x80] = 0x03; /* | 0x40 for SCART */
hvis = ((mt->HDisplay << 1) + 3) & ~3;
if (hvis >= 2048) {
hvis = 2044;
}
piic = 1000000000ULL * hvis;
do_div(piic, outd->h_vis);
dprintk(KERN_DEBUG "Want %u kHz pixclock\n", (unsigned int)piic);
mnp = matroxfb_g450_setclk(PMINFO piic, M_VIDEO_PLL);
mt->mnp = mnp;
mt->pixclock = g450_mnp2f(PMINFO mnp);
dprintk(KERN_DEBUG "MNP=%08X\n", mnp);
pixclock = 1000000000U / 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 & 0x0F;
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[0x08] = hsl;
r->regs[0x09] = (outd->burst + pixclock - 1) / pixclock; /* burst length */
r->regs[0x0A] = hbp;
r->regs[0x2C] = hfp;
r->regs[0x31] = hvis / 8;
r->regs[0x32] = hvis & 7;
dprintk(KERN_DEBUG "PG: vis=%04X, hf=%02X, hs=%02X, hb=%02X, total=%04X\n", hvis, hfp, hsl, hbp, hlen);
r->regs[0x84] = 1; /* x sync point */
r->regs[0x85] = 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[0x17] = outd->v_total / 4;
r->regs[0x18] = outd->v_total & 3;
r->regs[0x33] = upper - 1; /* upper blanking */
r->regs[0x82] = upper; /* y sync point */
r->regs[0x83] = 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 = 19042247534182ULL, // 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 = 15374030659475ULL, // 3579545.454 Hz
.burst = 2418418, // ps
.v_total = 525, // lines
};
static const struct mavenregs palregs = { {
0x2A, 0x09, 0x8A, 0xCB, /* 00: chroma subcarrier */
0x00,
0x00, /* test */
0xF9, /* modified by code (F9 written...) */
0x00, /* ? not written */
0x7E, /* 08 */
0x44, /* 09 */
0x9C, /* 0A */
0x2E, /* 0B */
0x21, /* 0C */
0x00, /* ? not written */
// 0x3F, 0x03, /* 0E-0F */
0x3C, 0x03,
0x3C, 0x03, /* 10-11 */
0x1A, /* 12 */
0x2A, /* 13 */
0x1C, 0x3D, 0x14, /* 14-16 */
0x9C, 0x01, /* 17-18 */
0x00, /* 19 */
0xFE, /* 1A */
0x7E, /* 1B */
0x60, /* 1C */
0x05, /* 1D */
// 0x89, 0x03, /* 1E-1F */
0xAD, 0x03,
// 0x72, /* 20 */
0xA5,
0x07, /* 21 */
// 0x72, /* 22 */
0xA5,
0x00, /* 23 */
0x00, /* 24 */
0x00, /* 25 */
0x08, /* 26 */
0x04, /* 27 */
0x00, /* 28 */
0x1A, /* 29 */
0x55, 0x01, /* 2A-2B */
0x26, /* 2C */
0x07, 0x7E, /* 2D-2E */
0x02, 0x54, /* 2F-30 */
0xB0, 0x00, /* 31-32 */
0x14, /* 33 */
0x49, /* 34 */
0x00, /* 35 written multiple times */
0x00, /* 36 not written */
0xA3, /* 37 */
0xC8, /* 38 */
0x22, /* 39 */
0x02, /* 3A */
0x22, /* 3B */
0x3F, 0x03, /* 3C-3D */
0x00, /* 3E written multiple times */
0x00, /* 3F not written */
} };
static struct mavenregs ntscregs = { {
0x21, 0xF0, 0x7C, 0x1F, /* 00: chroma subcarrier */
0x00,
0x00, /* test */
0xF9, /* modified by code (F9 written...) */
0x00, /* ? not written */
0x7E, /* 08 */
0x43, /* 09 */
0x7E, /* 0A */
0x3D, /* 0B */
0x00, /* 0C */
0x00, /* ? not written */
0x41, 0x00, /* 0E-0F */
0x3C, 0x00, /* 10-11 */
0x17, /* 12 */
0x21, /* 13 */
0x1B, 0x1B, 0x24, /* 14-16 */
0x83, 0x01, /* 17-18 */
0x00, /* 19 */
0x0F, /* 1A */
0x0F, /* 1B */
0x60, /* 1C */
0x05, /* 1D */
//0x89, 0x02, /* 1E-1F */
0xC0, 0x02, /* 1E-1F */
//0x5F, /* 20 */
0x9C, /* 20 */
0x04, /* 21 */
//0x5F, /* 22 */
0x9C, /* 22 */
0x01, /* 23 */
0x02, /* 24 */
0x00, /* 25 */
0x0A, /* 26 */
0x05, /* 27 */
0x00, /* 28 */
0x10, /* 29 */
0xFF, 0x03, /* 2A-2B */
0x24, /* 2C */
0x0F, 0x78, /* 2D-2E */
0x00, 0x00, /* 2F-30 */
0xB2, 0x04, /* 31-32 */
0x14, /* 33 */
0x02, /* 34 */
0x00, /* 35 written multiple times */
0x00, /* 36 not written */
0xA3, /* 37 */
0xC8, /* 38 */
0x15, /* 39 */
0x05, /* 3A */
0x3B, /* 3B */
0x3C, 0x00, /* 3C-3D */
0x00, /* 3E written multiple times */
0x00, /* never written */
} };
if (norm == MATROXFB_OUTPUT_MODE_PAL) {
*data = palregs;
*outd = &paloutd;
} else {
*data = ntscregs;
*outd = &ntscoutd;
}
return;
}
#define LR(x) cve2_set_reg(PMINFO (x), m->regs[(x)])
static void cve2_init_TV(WPMINFO const struct mavenregs* m) {
int i;
LR(0x80);
LR(0x82); LR(0x83);
LR(0x84); LR(0x85);
cve2_set_reg(PMINFO 0x3E, 0x01);
for (i = 0; i < 0x3E; i++) {
LR(i);
}
cve2_set_reg(PMINFO 0x3E, 0x00);
}
static int matroxfb_g450_compute(void* md, struct my_timming* mt) {
MINFO_FROM(md);
dprintk(KERN_DEBUG "Computing, mode=%u\n", ACCESS_FBINFO(outputs[1]).mode);
if (mt->crtc == MATROXFB_SRC_CRTC2 &&
ACCESS_FBINFO(outputs[1]).mode != MATROXFB_OUTPUT_MODE_MONITOR) {
const struct output_desc* outd;
cve2_init_TVdata(ACCESS_FBINFO(outputs[1]).mode, &ACCESS_FBINFO(hw).maven, &outd);
{
int blacklevel, whitelevel;
g450_compute_bwlevel(PMINFO &blacklevel, &whitelevel);
ACCESS_FBINFO(hw).maven.regs[0x0E] = blacklevel >> 2;
ACCESS_FBINFO(hw).maven.regs[0x0F] = blacklevel & 3;
ACCESS_FBINFO(hw).maven.regs[0x1E] = whitelevel >> 2;
ACCESS_FBINFO(hw).maven.regs[0x1F] = whitelevel & 3;
ACCESS_FBINFO(hw).maven.regs[0x20] =
ACCESS_FBINFO(hw).maven.regs[0x22] = ACCESS_FBINFO(altout.tvo_params.saturation);
ACCESS_FBINFO(hw).maven.regs[0x25] = ACCESS_FBINFO(altout.tvo_params.hue);
if (ACCESS_FBINFO(altout.tvo_params.testout)) {
ACCESS_FBINFO(hw).maven.regs[0x05] |= 0x02;
}
}
computeRegs(PMINFO &ACCESS_FBINFO(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(PMINFO mt->pixclock, (mt->crtc == MATROXFB_SRC_CRTC1) ? M_PIXEL_PLL_C : M_VIDEO_PLL);
mt->pixclock = g450_mnp2f(PMINFO mt->mnp);
}
dprintk(KERN_DEBUG "Pixclock = %u\n", mt->pixclock);
return 0;
}
static int matroxfb_g450_program(void* md) {
MINFO_FROM(md);
if (ACCESS_FBINFO(outputs[1]).mode != MATROXFB_OUTPUT_MODE_MONITOR) {
cve2_init_TV(PMINFO &ACCESS_FBINFO(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) {
MINFO_FROM(md);
if (mt->mnp < 0) {
mt->mnp = matroxfb_g450_setclk(PMINFO mt->pixclock, (mt->crtc == MATROXFB_SRC_CRTC1) ? M_PIXEL_PLL_C : M_VIDEO_PLL);
mt->pixclock = g450_mnp2f(PMINFO 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(WPMINFO2) {
if (ACCESS_FBINFO(devflags.g450dac)) {
down_write(&ACCESS_FBINFO(altout.lock));
tvo_fill_defaults(PMINFO2);
ACCESS_FBINFO(outputs[1]).src = ACCESS_FBINFO(outputs[1]).default_src;
ACCESS_FBINFO(outputs[1]).data = MINFO;
ACCESS_FBINFO(outputs[1]).output = &matroxfb_g450_altout;
ACCESS_FBINFO(outputs[1]).mode = MATROXFB_OUTPUT_MODE_MONITOR;
ACCESS_FBINFO(outputs[2]).src = ACCESS_FBINFO(outputs[2]).default_src;
ACCESS_FBINFO(outputs[2]).data = MINFO;
ACCESS_FBINFO(outputs[2]).output = &matroxfb_g450_dvi;
ACCESS_FBINFO(outputs[2]).mode = MATROXFB_OUTPUT_MODE_MONITOR;
up_write(&ACCESS_FBINFO(altout.lock));
}
}
void matroxfb_g450_shutdown(WPMINFO2) {
if (ACCESS_FBINFO(devflags.g450dac)) {
down_write(&ACCESS_FBINFO(altout.lock));
ACCESS_FBINFO(outputs[1]).src = MATROXFB_SRC_NONE;
ACCESS_FBINFO(outputs[1]).output = NULL;
ACCESS_FBINFO(outputs[1]).data = NULL;
ACCESS_FBINFO(outputs[1]).mode = MATROXFB_OUTPUT_MODE_MONITOR;
ACCESS_FBINFO(outputs[2]).src = MATROXFB_SRC_NONE;
ACCESS_FBINFO(outputs[2]).output = NULL;
ACCESS_FBINFO(outputs[2]).data = NULL;
ACCESS_FBINFO(outputs[2]).mode = MATROXFB_OUTPUT_MODE_MONITOR;
up_write(&ACCESS_FBINFO(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");
