DSI Registers: Difference between revisions

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{| class='wikitable'
{| class='wikitable'
|-
|-
! Engine
! Offset
! Offset
! Size
! Size
! Description
! Description
|-
|-
| rowspan=20 style="text-align: center;" | RGB output
| 0x004
| 0x004
| 4
| 4
| bits 1:0: Video mode (0 = Progressive, 0b11 = Interlaced)
| bits[1:0]: Video mode (0 = Progressive, 0b11 = Interlaced)
|-
| 0x008
| 4
| bits[31:0]: <code>(htotal * clocks_per_pixel) >> 1</code>
|-
|-
| 0x00C
| 0x00C
| 4
| 4
| Clock related
| bits[28:16]: <code>vtotal</code>, bits[12:0]: <code>(vtotal + 1) >> 1</code>
|-
| 0x010
| 4
| bits[31:0]: <code>0x10001</code>
|-
|-
| 0x014
| 0x014
| 4
| 4
| Interrupts (read = triggered interrupts, write = clear interrupt)
| bits[31:16]: <code>((HSW + HBP) * clocks_per_pixel) >> 1</code>, bits[15:0]: <code>(((HSW + HBP + hact) * clocks_per_pixel) >> 1) + 1</code>
|-
| 0x01C
| 4
| bits[28:16]: <code>VSW + VBP - 1</code>, bits[12:0]: <code>((vtotal + 1) >> 1) - VFP</code>
|-
| 0x020
| 4
| bits[28:16]: <code>VSW + VBP + ((vtotal - 1) >> 1)</code>, bits[12:0]: <code>vtotal - VFP + 1</code>
|-
| 0x024
| 4
| bits[31:16]: <code>(HSW * clocks_per_pixel) >> 1</code>, bit[0]: <code>1</code>
|-
| 0x02C
| 4
| bits[31:0]: <code>0x10001</code>
|-
|-
| 0x030
| 0x030
| 4
| 4
| bits[31:16] = Vertical Back Porch
| bits[28:16]: <code>VSW</code>, bits[15:0]: <code>(htotal * clocks_per_pixel) >> 1</code>
|-
| 0x034
| 4
| bits[28:16]: <code>(vtotal + 1) >> 1</code>, bits[15:0]: <code>((htotal * clocks_per_pixel) >> 2) + 1</code>
|-
| 0x038
| 4
| bits[28:16]: <code>VSW + ((vtotal + 1) >> 1)</code>, bits[15:0]: <code>(htotal * clocks_per_pixel) >> 2</code>
|-
| 0x03C
| 4
| bits[31:0]: <code>1</code>
|-
| 0x040
| 4
| bits[28:16]: <code>((vtotal + 1) >> 1) + (VSW + VBP) - 8</code>, bits[15:0]: <code>(VSW + VBP) - 8</code>
|-
| 0x048
| 4
| bits[7:0]: pending interrupts or some counter ??
|-
| 0x04C
| 4
| bits[31:16]: current <code>Vcount</code>, bits[15:0]: ??
|-
| 0x050
| 4
| Interrupts ack/clear (read = triggered interrupts, write = clear interrupt)
|-
| 0x054
| 4
| Interrupt enable mask (bit 1 = some interrupt)
|-
| 0x05C
| 4
|
{| class="wikitable"
! Progressive !! Interlaced
|-
| 0x10001 || bits[28:16]: <code>(vtotal + 1) >> 1</code>, bits[15:0]: <code>1</code>
|}
|-
| 0x060
| 4
|
{| class="wikitable"
! Progressive !! Interlaced
|-
|-
| bits[28:16]: <code>VSW + VBP</code>, bits[15:0]: <code>1</code> || bits[28:16]: <code>VSW + VBP + ((vtotal - 1) >> 1)</code>, bits[15:0]: <code>1</code>
|}
|-
| rowspan=3 style="text-align: center;" | RGB-to-DSI PHY Rx
| 0x410
| 4
| DSI_STATUS. DSI Command read FIFO status (bit 5 = Read FIFO *not* empty)
|-
| 0x414
| 4
| DSI_INT. Some sort of status. Ready/busy?
|-
| 0x430
| 4
| DSICMD_RXFIFO. DSI Command read FIFO
|-
| rowspan=6 style="text-align: center;" | RGB-to-DSI PHY Tx
| 0x500
| 0x500
| 4
| 4
| Command FIFO.
| DSI_CONFW?. DSI Command FIFO
|-
| 0x504
| 4
| DSI_RESET?. DSI Command FIFO packet size (in multiples of 32b)
|-
| 0x508
| 4
|
|-
| 0x50C
| 4
| DSI_INT_CLR
|-
| 0x510
| 4
| Another command FIFO (used to write the packet for command reads)
|-
| 0x51C
| 4
| Transfer control. bit[0]: Transfer direction (0 = read, 1 = write). Seems to be some kind of SPI/I2C interface
|-
| rowspan=21 style="text-align: center;" | Clocking
| 0x804
| 4
|
|-
| 0x810
| 4
|
|-
| 0x814
| 4
|
|-
| 0x818
| 4
|
|-
| 0x81C
| 4
|
|-
| 0x820
| 4
|
|-
| 0x824
| 4
|
|-
| 0x828
| 4
|
|-
| 0x82C
| 4
|
|-
| 0x830
| 4
|
|-
| 0x834
| 4
|
|-
| 0x838
| 4
| DSI auto clock configuration (1 = only HS clock, 0 = auto gate when data in LP)
|-
| 0x83C
| 4
|
|-
| 0x900
| 4
|
|-
| 0x904
| 4
|
|-
| 0x908
| 4
|
|-
| 0x90C
| 4
|
|-
| 0x940
| 4
|
|-
| 0x944
| 4
|
|-
| 0x948
| 4
|
|-
| 0x94C
| 4
|
|}
|}

Latest revision as of 10:27, 2 November 2019

MMIO Interfaces

Name Physical address
SceDsi0Reg 0xE5050000
SceDsi1Reg 0xE5060000

Registers

Engine Offset Size Description
RGB output 0x004 4 bits[1:0]: Video mode (0 = Progressive, 0b11 = Interlaced)
0x008 4 bits[31:0]: (htotal * clocks_per_pixel) >> 1
0x00C 4 bits[28:16]: vtotal, bits[12:0]: (vtotal + 1) >> 1
0x010 4 bits[31:0]: 0x10001
0x014 4 bits[31:16]: ((HSW + HBP) * clocks_per_pixel) >> 1, bits[15:0]: (((HSW + HBP + hact) * clocks_per_pixel) >> 1) + 1
0x01C 4 bits[28:16]: VSW + VBP - 1, bits[12:0]: ((vtotal + 1) >> 1) - VFP
0x020 4 bits[28:16]: VSW + VBP + ((vtotal - 1) >> 1), bits[12:0]: vtotal - VFP + 1
0x024 4 bits[31:16]: (HSW * clocks_per_pixel) >> 1, bit[0]: 1
0x02C 4 bits[31:0]: 0x10001
0x030 4 bits[28:16]: VSW, bits[15:0]: (htotal * clocks_per_pixel) >> 1
0x034 4 bits[28:16]: (vtotal + 1) >> 1, bits[15:0]: ((htotal * clocks_per_pixel) >> 2) + 1
0x038 4 bits[28:16]: VSW + ((vtotal + 1) >> 1), bits[15:0]: (htotal * clocks_per_pixel) >> 2
0x03C 4 bits[31:0]: 1
0x040 4 bits[28:16]: ((vtotal + 1) >> 1) + (VSW + VBP) - 8, bits[15:0]: (VSW + VBP) - 8
0x048 4 bits[7:0]: pending interrupts or some counter ??
0x04C 4 bits[31:16]: current Vcount, bits[15:0]: ??
0x050 4 Interrupts ack/clear (read = triggered interrupts, write = clear interrupt)
0x054 4 Interrupt enable mask (bit 1 = some interrupt)
0x05C 4
Progressive Interlaced
0x10001 bits[28:16]: (vtotal + 1) >> 1, bits[15:0]: 1
0x060 4
Progressive Interlaced
bits[28:16]: VSW + VBP, bits[15:0]: 1 bits[28:16]: VSW + VBP + ((vtotal - 1) >> 1), bits[15:0]: 1
RGB-to-DSI PHY Rx 0x410 4 DSI_STATUS. DSI Command read FIFO status (bit 5 = Read FIFO *not* empty)
0x414 4 DSI_INT. Some sort of status. Ready/busy?
0x430 4 DSICMD_RXFIFO. DSI Command read FIFO
RGB-to-DSI PHY Tx 0x500 4 DSI_CONFW?. DSI Command FIFO
0x504 4 DSI_RESET?. DSI Command FIFO packet size (in multiples of 32b)
0x508 4
0x50C 4 DSI_INT_CLR
0x510 4 Another command FIFO (used to write the packet for command reads)
0x51C 4 Transfer control. bit[0]: Transfer direction (0 = read, 1 = write). Seems to be some kind of SPI/I2C interface
Clocking 0x804 4
0x810 4
0x814 4
0x818 4
0x81C 4
0x820 4
0x824 4
0x828 4
0x82C 4
0x830 4
0x834 4
0x838 4 DSI auto clock configuration (1 = only HS clock, 0 = auto gate when data in LP)
0x83C 4
0x900 4
0x904 4
0x908 4
0x90C 4
0x940 4
0x944 4
0x948 4
0x94C 4
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