/* write functions */
static void sis_write_1(int custom, int idx, int value)
{
if (custom >= 0) {
outSISIDXREG(sisregs[custom].idx_base, idx, (value & 0xff));
} else {
outSISREG(idx, (value & 0xff));
}
}
static void sis_write_2(int custom, int idx, int value)
{
if (custom >= 0) {
if (idx+1 > sisregs[custom].length) {
} else {
outSISIDXREG(sisregs[custom].idx_base, idx++, (value & 0xff));
outSISIDXREG(sisregs[custom].idx_base, idx, ((value>>8) & 0xff));
}
} else {
static int sis_do_sense(int tempbl, int tempbh, int tempcl, int tempch)
{
int temp;
outSISIDXREG(SISPART4, 0x11, tempbl);
temp = tempbh | tempcl;
setSISIDXREG(SISPART4, 0x10, 0xe0, temp);
//usleep(200000);
sis_ddc2_delay(0x1000);
tempch &= 0x7f;
inSISIDXREG(SISPART4, 0x03, temp);
temp ^= 0x0e;
temp &= tempch;
return temp == tempch;
}
/* sense connected devices on 30x bridge */
static void sis_sense_30x(void)
{
unsigned char backupP4_0d, backupP2_00, biosflag;
unsigned char testsvhs_tempbl, testsvhs_tempbh;
unsigned char testsvhs_tempcl, testsvhs_tempch;
unsigned char testcvbs_tempbl, testcvbs_tempbh;
unsigned char testcvbs_tempcl, testcvbs_tempch;
unsigned char testvga2_tempbl, testvga2_tempbh;
unsigned char testvga2_tempcl, testvga2_tempch;
int myflag, result = 0, i, j, haveresult;
inSISIDXREG(SISPART4, 0x0d, backupP4_0d);
outSISIDXREG(SISPART4, 0x0d, (backupP4_0d | 0x04));
inSISIDXREG(SISPART2, 0x00, backupP2_00);
outSISIDXREG(SISPART2, 0x00, (backupP2_00 | 0x1c));
sis_do_sense(0, 0, 0, 0);
if (sis_vga_engine == SIS_300_VGA) {
testvga2_tempbh = 0x00;
testvga2_tempbl = 0xd1;
testsvhs_tempbh = 0x00;
testsvhs_tempbl = 0xb9;
testcvbs_tempbh = 0x00;
testcvbs_tempbl = 0xb3;
biosflag = 0;
if (sis_vbflags & (VB_301B | VB_302B | VB_301LV | VB_302LV)) {
testvga2_tempbh = 0x01;
testvga2_tempbl = 0x90;
testsvhs_tempbh = 0x01;
testsvhs_tempbl = 0x6b;
testcvbs_tempbh = 0x01;
testcvbs_tempbl = 0x74;
}
inSISIDXREG(SISPART4, 0x01, myflag);
if (myflag & 0x04) {
testvga2_tempbh = 0x00;
testvga2_tempbl = 0xfd;
testsvhs_tempbh = 0x00;
testsvhs_tempbl = 0xdd;
testcvbs_tempbh = 0x00;
testcvbs_tempbl = 0xee;
}
testvga2_tempch = 0x0e;
testvga2_tempcl = 0x08;
testsvhs_tempch = 0x06;
testsvhs_tempcl = 0x04;
testcvbs_tempch = 0x08;
testcvbs_tempcl = 0x04;
if (sis_device_id == DEVICE_SIS_300) {
inSISIDXREG(SISSR, 0x3b, myflag);
if (!(myflag & 0x01)) {
testvga2_tempbh = 0x00;
testvga2_tempbl = 0x00;
testvga2_tempch = 0x00;
testvga2_tempcl = 0x00;
}
}
} else {
testvga2_tempbh = 0x00;
testvga2_tempbl = 0xd1;
testsvhs_tempbh = 0x00;
testsvhs_tempbl = 0xb9;
testcvbs_tempbh = 0x00;
testcvbs_tempbl = 0xb3;
biosflag = 0;
if (sis_vbflags & (VB_301B | VB_302B | VB_301LV | VB_302LV)) {
if (sis_vbflags & (VB_301B | VB_302B)) {
testvga2_tempbh = 0x01;
testvga2_tempbl = 0x90;
testsvhs_tempbh = 0x01;
testsvhs_tempbl = 0x6b;
testcvbs_tempbh = 0x01;
testcvbs_tempbl = 0x74;
} else {
testvga2_tempbh = 0x00;
testvga2_tempbl = 0x00;
testsvhs_tempbh = 0x02;
testsvhs_tempbl = 0x00;
testcvbs_tempbh = 0x01;
testcvbs_tempbl = 0x00;
}
}
if (sis_vbflags & (VB_301 | VB_301B | VB_302B)) {
inSISIDXREG(SISPART4, 0x01, myflag);
if (myflag & 0x04) {
testvga2_tempbh = 0x00;
testvga2_tempbl = 0xfd;
testsvhs_tempbh = 0x00;
testsvhs_tempbl = 0xdd;
testcvbs_tempbh = 0x00;
testcvbs_tempbl = 0xee;
}
}
if (sis_vbflags & (VB_301LV | VB_302LV)) {
/* TW: No VGA2 or SCART on LV bridges */
testvga2_tempbh = 0x00;
testvga2_tempbl = 0x00;
testvga2_tempch = 0x00;
testvga2_tempcl = 0x00;
testsvhs_tempch = 0x04;
testsvhs_tempcl = 0x08;
testcvbs_tempch = 0x08;
testcvbs_tempcl = 0x08;
} else {
testvga2_tempch = 0x0e;
testvga2_tempcl = 0x08;
testsvhs_tempch = 0x06;
testsvhs_tempcl = 0x04;
testcvbs_tempch = 0x08;
testcvbs_tempcl = 0x04;
}
}
/* XXX: ?? andSISIDXREG(SISCR, 0x32, ~0x14); */
/* pSiS->postVBCR32 &= ~0x14; */
/* scan for VGA2/SCART */
if (testvga2_tempch || testvga2_tempcl ||
testvga2_tempbh || testvga2_tempbl) {
haveresult = 0;
for (j = 0; j < 10; j++) {
result = 0;
for (i = 0; i < 3; i++) {
if (sis_do_sense(testvga2_tempbl, testvga2_tempbh,
testvga2_tempcl, testvga2_tempch))
result++;
}
if ((result == 0) || (result >= 2))
break;
}
if (result) {
if (biosflag & 0x01) {
if (sis_verbose > 1) {
mp_msg(MSGT_VO, MSGL_STATUS,
"[SiS] SiS30x: Detected TV connected to SCART output\n");
}
sis_vbflags |= TV_SCART;
orSISIDXREG(SISCR, 0x32, 0x04);
/*pSiS->postVBCR32 |= 0x04; */
} else {
if (sis_verbose > 1) {
mp_msg(MSGT_VO, MSGL_STATUS,
"[SiS] SiS30x: Detected secondary VGA connection\n");
}
sis_vbflags |= VGA2_CONNECTED;
orSISIDXREG(SISCR, 0x32, 0x10);
/*pSiS->postVBCR32 |= 0x10; */
}
}
}
/* scanning for TV */
/* XXX: ?? andSISIDXREG(SISCR, 0x32, ~0x03); */
/* pSiS->postVBCR32 &= ~0x03; */
result = sis_do_sense(testsvhs_tempbl, testsvhs_tempbh,
testsvhs_tempcl, testsvhs_tempch);
haveresult = 0;
for (j = 0; j < 10; j++) {
result = 0;
for (i = 0; i < 3; i++) {
if (sis_do_sense(testsvhs_tempbl, testsvhs_tempbh,
testsvhs_tempcl, testsvhs_tempch))
result++;
}
if ((result == 0) || (result >= 2))
break;
}
if (result) {
if (sis_verbose > 1) {
mp_msg(MSGT_VO, MSGL_STATUS,
"[SiS] SiS30x: Detected TV connected to SVIDEO output\n");
}
/* TW: So we can be sure that there IS a SVIDEO output */
sis_vbflags |= TV_SVIDEO;
orSISIDXREG(SISCR, 0x32, 0x02);
//pSiS->postVBCR32 |= 0x02;
}
if ((biosflag & 0x02) || (!(result))) {
haveresult = 0;
for (j = 0; j < 10; j++) {
result = 0;
for (i = 0; i < 3; i++) {
if (sis_do_sense(testcvbs_tempbl, testcvbs_tempbh,
testcvbs_tempcl, testcvbs_tempch))
result++;
}
if ((result == 0) || (result >= 2))
break;
}
if (result) {
if (sis_verbose > 1) {
mp_msg(MSGT_VO, MSGL_STATUS,
"[SiS] SiS30x: Detected TV connected to COMPOSITE output\n");
}
sis_vbflags |= TV_AVIDEO;
orSISIDXREG(SISCR, 0x32, 0x01);
//pSiS->postVBCR32 |= 0x01;
}
}
sis_do_sense(0, 0, 0, 0);
outSISIDXREG(SISPART2, 0x00, backupP2_00);
outSISIDXREG(SISPART4, 0x0d, backupP4_0d);
}
static __inline void setvideoreg(SISPtr pSiS, CARD8 reg, CARD8 data)
{
outSISIDXREG(SISCR, reg, data);
}