MMIO Interfaces
| Name
|
Physical address
|
| SceIftu0RegA (OLED FB)
|
0xE5020000
|
| SceIftu0RegB
|
0xE5021000
|
| SceIftuc0Reg
|
0xE5022000
|
| SceIftu1RegA (HDMI FB)
|
0xE5030000
|
| SceIftu1RegB
|
0xE5031000
|
| SceIftuc1Reg
|
0xE5032000
|
| SceIftu2Reg
|
0xE5040000
|
It looks like the display controller has 4 overlay planes (Iftu0RegA, Iftu0RegB, Iftu1RegA, Iftu0RegB) and 1 cursor plane (Iftu2Reg)?
Registers
IftuRegs
| Offset
|
Size
|
Description
|
| 0x000
|
4
|
Control register: bit 0 = enable?, bit 2 = ??, bit 3 = ??
|
| 0x004
|
4
|
CRTC mask: bit 0 = enable scanout to engine/CRTC of OLED/LCD, bit 1 = enable scanout to engine/CRTC of HDMI
|
| 0x08C
|
4
|
Alpha value (transparency) from 0x00 to 0xFF
|
| 0x0A0
|
4
|
Alpha control: (bit 0 = disable alpha blending)
|
| 0x200 + n * 0x100 + 0x00
|
4
|
Physical address
|
| 0x200 + n * 0x100 + 0x04
|
4
|
Unknown
|
| 0x200 + n * 0x100 + 0x40
|
4
|
Pixelformat (0x10 = A8B8G8R8)
|
| 0x200 + n * 0x100 + 0x44
|
4
|
Width (aligned to 16)
|
| 0x200 + n * 0x100 + 0x48
|
4
|
Height (aligned to 8)
|
| 0x200 + n * 0x100 + 0x4C
|
4
|
??
|
| 0x200 + n * 0x100 + 0x54
|
4
|
Leftover stride
|
| 0x200 + n * 0x100 + 0x58
|
4
|
??
|
| 0x200 + n * 0x100 + 0x60
|
4
|
Vertical front porch
|
| 0x200 + n * 0x100 + 0x64
|
4
|
Vertical back porch
|
| 0x200 + n * 0x100 + 0x68
|
4
|
Horizontal front porch
|
| 0x200 + n * 0x100 + 0x6C
|
4
|
Horizontal back porch
|
| 0x200 + n * 0x100 + 0xC0
|
4
|
Scanout source X (in 16.16 fixed point format)
|
| 0x200 + n * 0x100 + 0xC4
|
4
|
Scanout source Y (in 16.16 fixed point format)
|
| 0x200 + n * 0x100 + 0xC8
|
4
|
Scanout source height (in 16.16 fixed point format)
|
| 0x200 + n * 0x100 + 0xCC
|
4
|
Scanout source width (in 16.16 fixed point format)
|
| 0x200 + n * 0x100 + 0xD0
|
4
|
??
|
Where n can be 0 and 1. n = 0 configures the CRTC 0 (OLED/LCD) scanout, n = 1 configures the CRTC 1 (HDMI) scanout.
IftucRegs (control registers?)
| Offset
|
Size
|
Description
|
| 0x04
|
4
|
Control register. bit 0 = enable?
|
| 0x10
|
4
|
bit 0 = Enable Engine 0 (OLED/LCD) or Engine 1 (HDMI)
|
| 0x20
|
4
|
Control register 2? bit 2 = enable alpha/brightness
|