1*80829ec8SRene Gollent /*
2*80829ec8SRene Gollent Haiku ATI video driver adapted from the X.org ATI driver.
3*80829ec8SRene Gollent
4*80829ec8SRene Gollent Copyright 1992,1993,1994,1995,1996,1997 by Kevin E. Martin, Chapel Hill, North Carolina.
5*80829ec8SRene Gollent Copyright 1997 through 2004 by Marc Aurele La France (TSI @ UQV), tsi@xfree86.org
6*80829ec8SRene Gollent
7*80829ec8SRene Gollent Copyright 2009 Haiku, Inc. All rights reserved.
8*80829ec8SRene Gollent Distributed under the terms of the MIT license.
9*80829ec8SRene Gollent
10*80829ec8SRene Gollent Authors:
11*80829ec8SRene Gollent Gerald Zajac 2009
12*80829ec8SRene Gollent */
13*80829ec8SRene Gollent
14*80829ec8SRene Gollent
15*80829ec8SRene Gollent #include "accelerant.h"
16*80829ec8SRene Gollent #include "mach64.h"
17*80829ec8SRene Gollent
18*80829ec8SRene Gollent
19*80829ec8SRene Gollent
20*80829ec8SRene Gollent uint32
Mach64_DPMSCapabilities(void)21*80829ec8SRene Gollent Mach64_DPMSCapabilities(void)
22*80829ec8SRene Gollent {
23*80829ec8SRene Gollent // Return DPMS modes supported by this device.
24*80829ec8SRene Gollent
25*80829ec8SRene Gollent return B_DPMS_ON | B_DPMS_STAND_BY | B_DPMS_SUSPEND | B_DPMS_OFF;
26*80829ec8SRene Gollent }
27*80829ec8SRene Gollent
28*80829ec8SRene Gollent
29*80829ec8SRene Gollent uint32
Mach64_GetDPMSMode(void)30*80829ec8SRene Gollent Mach64_GetDPMSMode(void)
31*80829ec8SRene Gollent {
32*80829ec8SRene Gollent // Return the current DPMS mode.
33*80829ec8SRene Gollent
34*80829ec8SRene Gollent uint32 tmp = INREG(CRTC_GEN_CNTL);
35*80829ec8SRene Gollent uint32 mode;
36*80829ec8SRene Gollent
37*80829ec8SRene Gollent if( (tmp & CRTC_DISPLAY_DIS) == 0 )
38*80829ec8SRene Gollent mode = B_DPMS_ON;
39*80829ec8SRene Gollent else if( (tmp & CRTC_VSYNC_DIS) == 0 )
40*80829ec8SRene Gollent mode = B_DPMS_STAND_BY;
41*80829ec8SRene Gollent else if( (tmp & CRTC_HSYNC_DIS) == 0 )
42*80829ec8SRene Gollent mode = B_DPMS_SUSPEND;
43*80829ec8SRene Gollent else
44*80829ec8SRene Gollent mode = B_DPMS_OFF;
45*80829ec8SRene Gollent
46*80829ec8SRene Gollent TRACE("Mach64_DPMSMode() mode: %d\n", mode);
47*80829ec8SRene Gollent return mode;
48*80829ec8SRene Gollent }
49*80829ec8SRene Gollent
50*80829ec8SRene Gollent
51*80829ec8SRene Gollent status_t
Mach64_SetDPMSMode(uint32 dpmsMode)52*80829ec8SRene Gollent Mach64_SetDPMSMode(uint32 dpmsMode)
53*80829ec8SRene Gollent {
54*80829ec8SRene Gollent // Set the display into one of the Display Power Management modes,
55*80829ec8SRene Gollent // and return B_OK if successful, else return B_ERROR.
56*80829ec8SRene Gollent
57*80829ec8SRene Gollent TRACE("Mach64_SetDPMSMode() mode: %d, display type: %d\n", dpmsMode, gInfo.sharedInfo->displayType);
58*80829ec8SRene Gollent
59*80829ec8SRene Gollent int mask = (CRTC_HSYNC_DIS | CRTC_VSYNC_DIS);
60*80829ec8SRene Gollent
61*80829ec8SRene Gollent switch (dpmsMode) {
62*80829ec8SRene Gollent case B_DPMS_ON:
63*80829ec8SRene Gollent // Screen: On; HSync: On, VSync: On.
64*80829ec8SRene Gollent OUTREGM(CRTC_GEN_CNTL, 0, mask);
65*80829ec8SRene Gollent break;
66*80829ec8SRene Gollent
67*80829ec8SRene Gollent case B_DPMS_STAND_BY:
68*80829ec8SRene Gollent // Screen: Off; HSync: Off, VSync: On.
69*80829ec8SRene Gollent OUTREGM(CRTC_GEN_CNTL, CRTC_HSYNC_DIS, mask);
70*80829ec8SRene Gollent break;
71*80829ec8SRene Gollent
72*80829ec8SRene Gollent case B_DPMS_SUSPEND:
73*80829ec8SRene Gollent // Screen: Off; HSync: On, VSync: Off.
74*80829ec8SRene Gollent OUTREGM(CRTC_GEN_CNTL, CRTC_VSYNC_DIS, mask);
75*80829ec8SRene Gollent break;
76*80829ec8SRene Gollent
77*80829ec8SRene Gollent case B_DPMS_OFF:
78*80829ec8SRene Gollent // Screen: Off; HSync: Off, VSync: Off.
79*80829ec8SRene Gollent OUTREGM(CRTC_GEN_CNTL, mask, mask);
80*80829ec8SRene Gollent break;
81*80829ec8SRene Gollent
82*80829ec8SRene Gollent default:
83*80829ec8SRene Gollent TRACE("Invalid DPMS mode %d\n", dpmsMode);
84*80829ec8SRene Gollent return B_ERROR;
85*80829ec8SRene Gollent }
86*80829ec8SRene Gollent
87*80829ec8SRene Gollent if (gInfo.sharedInfo->displayType == MT_LAPTOP) {
88*80829ec8SRene Gollent uint32 powerMgmt = (Mach64_GetLCDReg(LCD_POWER_MANAGEMENT)
89*80829ec8SRene Gollent & ~(STANDBY_NOW | SUSPEND_NOW | POWER_BLON | AUTO_POWER_UP));
90*80829ec8SRene Gollent
91*80829ec8SRene Gollent switch (dpmsMode) {
92*80829ec8SRene Gollent case B_DPMS_ON:
93*80829ec8SRene Gollent powerMgmt |= (POWER_BLON | AUTO_POWER_UP);
94*80829ec8SRene Gollent break;
95*80829ec8SRene Gollent
96*80829ec8SRene Gollent case B_DPMS_STAND_BY:
97*80829ec8SRene Gollent powerMgmt |= STANDBY_NOW;
98*80829ec8SRene Gollent break;
99*80829ec8SRene Gollent
100*80829ec8SRene Gollent case B_DPMS_SUSPEND:
101*80829ec8SRene Gollent powerMgmt |= SUSPEND_NOW;
102*80829ec8SRene Gollent break;
103*80829ec8SRene Gollent
104*80829ec8SRene Gollent case B_DPMS_OFF:
105*80829ec8SRene Gollent powerMgmt |= STANDBY_NOW | SUSPEND_NOW;
106*80829ec8SRene Gollent break;
107*80829ec8SRene Gollent }
108*80829ec8SRene Gollent
109*80829ec8SRene Gollent Mach64_PutLCDReg(LCD_POWER_MANAGEMENT, powerMgmt);
110*80829ec8SRene Gollent }
111*80829ec8SRene Gollent
112*80829ec8SRene Gollent return B_OK;
113*80829ec8SRene Gollent }
114*80829ec8SRene Gollent
115