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DPMS update (part 1)

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@7751 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen 2004-06-04 20:38:53 +00:00
parent f11cba16f5
commit c36f9caa99
2 changed files with 141 additions and 27 deletions
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37
src/add-ons/accelerants/neomagic/SetDisplayMode.c
View File

@ -3,7 +3,7 @@
This file may be used under the terms of the Be Sample Code License.
Other authors:
Rudolf Cornelissen 4/2003-5/2004
Rudolf Cornelissen 4/2003-6/2004
*/
#define MODULE_BIT 0x00200000
@ -276,7 +276,13 @@ status_t SET_DPMS_MODE(uint32 dpms_flags)
/* Report device DPMS capabilities. */
uint32 DPMS_CAPABILITIES(void)
{
return (B_DPMS_ON | B_DPMS_STAND_BY | B_DPMS_SUSPEND | B_DPMS_OFF);
if (si->ps.card_type < NM2200)
/* MagicGraph cards don't have full DPMS support */
return B_DPMS_ON | B_DPMS_OFF;
else
/* MagicMedia cards do have full DPMS support for external monitors */
//fixme: checkout if this is true...
return B_DPMS_ON | B_DPMS_STAND_BY | B_DPMS_SUSPEND | B_DPMS_OFF;
}
/* Return the current DPMS mode. */
@ -288,12 +294,25 @@ uint32 DPMS_MODE(void)
nm_crtc_dpms_fetch(&display, &h, &v);
interrupt_enable(true);
if (display && h && v)
return B_DPMS_ON;
else if(v)
return B_DPMS_STAND_BY;
else if(h)
return B_DPMS_SUSPEND;
if (si->ps.card_type < NM2200)
{
/* MagicGraph cards don't have full DPMS support */
if (display && h && v)
return B_DPMS_ON;
else
return B_DPMS_OFF;
}
else
return B_DPMS_OFF;
{
/* MagicMedia cards do have full DPMS support for external monitors */
//fixme: checkout if this is true...
if (display && h && v)
return B_DPMS_ON;
else if(v)
return B_DPMS_STAND_BY;
else if(h)
return B_DPMS_SUSPEND;
else
return B_DPMS_OFF;
}
}

131
src/add-ons/accelerants/neomagic/engine/nm_crtc.c
View File

@ -1,6 +1,6 @@
/* CTRC functionality */
/* Author:
Rudolf Cornelissen 4/2003-5/2004
Rudolf Cornelissen 4/2003-6/2004
*/
#define MODULE_BIT 0x00040000
@ -382,7 +382,7 @@ status_t nm_crtc_depth(int mode)
status_t nm_crtc_dpms(bool display, bool h, bool v)
{
uint8 temp;
uint8 temp, size_outputs;
LOG(4,("CRTC: setting DPMS: "));
@ -401,22 +401,106 @@ status_t nm_crtc_dpms(bool display, bool h, bool v)
/* end synchronous reset if display should be enabled */
ISASEQW(RESET, 0x03);
LOG(4,("display on\n"));
LOG(4,("display on, "));
}
else
{
ISASEQW(CLKMODE, (temp | 0x20));
LOG(4,("display off\n"));
LOG(4,("display off, "));
}
// LOG(4,("CRTC: setting DPMS (%d,%d,%d)\n", display,h,v));
temp = 0x00;
if (h)
{
LOG(4,("hsync enabled, "));
}
else
{
temp |= 0x10;
LOG(4,("hsync disabled, "));
}
if (v)
{
LOG(4,("vsync enabled\n"));
}
else
{
temp |= 0x20;
LOG(4,("vsync disabled\n"));
}
// VGAW_I(CRTCEXT,1,(VGAR_I(CRTCEXT,1)&0xCF)|((!v)<<5))|((!h)<<4);
/* set some required fixed values for proper nm mode initialisation */
// VGAW_I(CRTC,0x17,0xC3);
// VGAW_I(CRTC,0x14,0x00);
/* read panelsize and currently active outputs */
size_outputs = ISAGRPHR(PANELCTRL1);
/* we need to wait a bit or the card will mess-up it's register values.. (NM2160) */
snooze(10);
//fixme!: note current DPMS state, if fully on: just copy outputs on, else do this:
/* update noted currently active outputs if prudent:
* - tracks active output devices, even if the keyboard shortcut is used because
* using that key will take the selected output devices out of DPMS sleep mode
* if programmed via these bits;
* - when the shortcut key is not used, and DPMS was in a sleep mode while
* programmed via these bits, an output device will still be shut-off. */
if (si->ps.card_type < NM2200)
{
/* both output devices do DPMS via these bits */
if (size_outputs & 0x03) si->ps.outputs = (size_outputs & 0x03);
}
else
{
/* only the internal panel does DPMS via these bits, so the external setting
* can always be copied */
si->ps.outputs &= 0xfe;
si->ps.outputs |= (size_outputs & 0x01);
if (size_outputs & 0x02) si->ps.outputs |= 0x02;
}
if (si->ps.card_type < NM2200)
{
/* no full DPMS support */
if (temp)
{
/* Turn panel plus backlight and external monitor's sync signals off */
ISAGRPHW(PANELCTRL1, (size_outputs & 0xfc));
}
else
{
/* restore previous output device(s) */
ISAGRPHW(PANELCTRL1, ((size_outputs & 0xfc) | (si->ps.outputs & 0x03)));
}
}
else
{
/* if internal panel is active, update it's DPMS state */
if (si->ps.outputs & 0x02)
{
if (temp)
{
/* Turn panel plus backlight off */
ISAGRPHW(PANELCTRL1, (size_outputs & 0xfd));
}
else
{
/* Turn panel plus backlight on */
ISAGRPHW(PANELCTRL1, (size_outputs | 0x02));
}
}
/* if external monitor is active, update it's DPMS state */
if (si->ps.outputs & 0x01)
{
/* we have full DPMS support for external monitors */
//fixme: checkout if so...
temp |= ((ISAGRPHR(ENSETRESET) & 0x0f) | 0x80);
/* we need to wait a bit or the card will mess-up it's register values.. (NM2160) */
snooze(10);
ISAGRPHW(ENSETRESET, temp);
snooze(10);
LOG(4,("CRTC: DPMS readback $%02x, programmed $%02x\n", ISAGRPHR(ENSETRESET), temp));
}
}
return B_OK;
}
@ -425,15 +509,26 @@ status_t nm_crtc_dpms_fetch(bool * display, bool * h, bool * v)
{
*display = !(ISASEQR(CLKMODE) & 0x20);
// *display=!((VGAR_I(SEQ,1)&0x20)>>5);
// *h=!((VGAR_I(CRTCEXT,1)&0x10)>>4);
// *v=!((VGAR_I(CRTCEXT,1)&0x20)>>5);
if (si->ps.card_type < NM2200)
{
/* no full DPMS support */
*h = *v = *display;
}
else
{
/* full DPMS support for external monitors */
//fixme: checkout if so...
*h = !(ISAGRPHR(ENSETRESET) & 0x10);
*v = !(ISAGRPHR(ENSETRESET) & 0x20);
}
*h = *v = true;
LOG(4,("CTRC: fetched DPMS state:"));
if (display) LOG(4,("display on\n"));
else LOG(4,("display off\n"));
LOG(4,("CTRC: fetched DPMS state: "));
if (*display) LOG(4,("display on, "));
else LOG(4,("display off, "));
if (*h) LOG(4,("hsync enabled, "));
else LOG(4,("hsync disabled, "));
if (*v) LOG(4,("vsync enabled\n"));
else LOG(4,("vsync disabled\n"));
return B_OK;
}