i2p/haiku-beta6
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

intel_extreme: Add initial work for DDI ports

Browse Source
This commit is contained in:
Alexander von Gluck IV
2016-03-15 18:12:28 -05:00
parent 3d1bd895ad
commit ca95e9dad9
4 changed files with 165 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files
headers/private/graphics/intel_extreme/intel_extreme.h
+18
View File
@@ -162,6 +162,12 @@ struct DeviceType {
return InFamily(INTEL_FAMILY_SER5);
}
bool HasDDI() const
{
// Intel Digital Display Interface
return InGroup(INTEL_GROUP_HAS) || (Generation() >= 8);
}
int Generation() const
{
if (InFamily(INTEL_FAMILY_7xx))
@@ -542,6 +548,18 @@ struct intel_free_graphics_memory {
#define GEN4_HDMI_PORT_C (0x1160 | REGS_SOUTH_TRANSCODER_PORT)
#define CHV_HDMI_PORT_D (0x116C | REGS_SOUTH_TRANSCODER_PORT)
// DDI Buffer Control (This replaces DP on Haswell+)
#define DDI_BUF_CTL_A (0x4000 | REGS_NORTH_PIPE_AND_PORT)
#define DDI_BUF_CTL_B (0x4100 | REGS_NORTH_PIPE_AND_PORT)
#define DDI_BUF_CTL_ENABLE (1 << 31)
#define DDI_BUF_TRANS_SELECT(n) ((n) << 24)
#define DDI_BUF_EMP_MASK (0xf << 24)
#define DDI_BUF_PORT_REVERSAL (1 << 16)
#define DDI_BUF_IS_IDLE (1 << 7)
#define DDI_A_4_LANES (1 << 4)
#define DDI_PORT_WIDTH(width) (((width) - 1) << 1)
#define DDI_INIT_DISPLAY_DETECTED (1 << 0)
// DP_A always @ 6xxxx, DP_B-DP_D move with PCH
#define INTEL_DISPLAY_PORT_A (0x4000 | REGS_NORTH_PIPE_AND_PORT)
#define INTEL_DISPLAY_PORT_B (0x4100 | REGS_SOUTH_TRANSCODER_PORT)