PROTOCOLS
DsiImpl
Defined in fuchsia.hardware.dsiimpl/dsiimpl.fidl
Config
This function is used to configure all the DSI parameters needed to operated in both Command and Video Mode
Request
| Name | Type |
|---|---|
dsi_config |
DsiConfig
|
Response
| Name | Type |
|---|---|
s |
zx/status
|
EnableBist
This function enable BIST pattern generation. This is useful during development stages
Request
| Name | Type |
|---|---|
pattern |
uint32
|
Response
| Name | Type |
|---|---|
s |
zx/status
|
IsPoweredUp
This function return true if the DSI block is powered on and not in reset
Request
<EMPTY>
Response
| Name | Type |
|---|---|
on |
bool
|
PhyConfig
This function configures the PHY IP (inf within the DSI block)
Request
| Name | Type |
|---|---|
dsi_config |
DsiConfig
|
Response
| Name | Type |
|---|---|
s |
zx/status
|
PhyPowerDown
This function is used to power up the MIPI D-PHY block
Request
<EMPTY>
Response
<EMPTY>
PhyPowerUp
This function is used to power up the MIPI D-PHY block
Request
<EMPTY>
Response
<EMPTY>
PhySendCode
This function is used to communicate the MIPI D-PHY
Request
| Name | Type |
|---|---|
code |
uint32
|
parameter |
uint32
|
Response
<EMPTY>
PhyWaitForReady
This function checks two things in order to decide whether the PHY is ready or not. LOCK Bit and StopStateClk bit. According to spec, once these are set, PHY has completed initialization
Request
<EMPTY>
Response
| Name | Type |
|---|---|
s |
zx/status
|
PowerDown
This function is called to power down the DSI interface
Request
<EMPTY>
Response
<EMPTY>
PowerUp
This function is called to power up the DSI interface
Request
<EMPTY>
Response
<EMPTY>
PrintDsiRegisters
This function prints the value of all DSI registers
Request
<EMPTY>
Response
<EMPTY>
ReadReg
This function returns the value of any register within the DSI IP block
Request
| Name | Type |
|---|---|
reg |
uint32
|
Response
| Name | Type |
|---|---|
s |
zx/status
|
val |
uint32
|
Reset
This function resets the DSI IP block
Request
<EMPTY>
Response
<EMPTY>
SendCmd
This function is used to send a MIPI-DSI command through the DSI block
Request
| Name | Type |
|---|---|
cmd |
vector<MipiDsiCmd>
|
Response
| Name | Type |
|---|---|
s |
zx/status
|
SetMode
This function is used to change modes between Video and Command.
Request
| Name | Type |
|---|---|
mode |
DsiMode
|
Response
<EMPTY>
WriteReg
This function allows writing to any register within the DSI block. This could be used for debug purposes during development stages without needing to modify the DSI IMPL protocol or to write to registers that don't really belong in the DSI IP block.
Request
| Name | Type |
|---|---|
reg |
uint32
|
val |
uint32
|
Response
| Name | Type |
|---|---|
s |
zx/status
|
STRUCTS
DesignwareConfig
Defined in fuchsia.hardware.dsiimpl/dsiimpl.fidl
This structure contains designware specific data
| Field | Type | Description | Default |
|---|---|---|---|
lp_escape_time |
uint32
|
No default | |
lp_cmd_pkt_size |
uint32
|
No default | |
phy_timer_clkhs_to_lp |
uint32
|
No default | |
phy_timer_clklp_to_hs |
uint32
|
No default | |
phy_timer_hs_to_lp |
uint32
|
No default | |
phy_timer_lp_to_hs |
uint32
|
No default | |
auto_clklane |
uint8
|
No default |
DisplaySetting
Defined in fuchsia.hardware.dsiimpl/dsiimpl.fidl
This structure is populated based on hardware/lcd type. Its values come from vendor. This table is the top level structure used to populated all DSI configuration registers
| Field | Type | Description | Default |
|---|---|---|---|
lane_num |
uint32
|
No default | |
bit_rate_max |
uint32
|
No default | |
clock_factor |
uint32
|
No default | |
lcd_clock |
uint32
|
No default | |
h_active |
uint32
|
No default | |
v_active |
uint32
|
No default | |
h_period |
uint32
|
No default | |
v_period |
uint32
|
No default | |
hsync_width |
uint32
|
No default | |
hsync_bp |
uint32
|
No default | |
hsync_pol |
uint32
|
No default | |
vsync_width |
uint32
|
No default | |
vsync_bp |
uint32
|
No default | |
vsync_pol |
uint32
|
No default |
DsiConfig
Defined in fuchsia.hardware.dsiimpl/dsiimpl.fidl
This structure contains information that the DSI block needs from the MIPI D-PHY
| Field | Type | Description | Default |
|---|---|---|---|
display_setting |
DisplaySetting
|
No default | |
video_mode_type |
VideoMode
|
No default | |
color_coding |
ColorCode
|
No default | |
vendor_config |
vector<uint8>
|
No default |
MipiDsiCmd
Defined in fuchsia.hardware.dsiimpl/dsiimpl.fidl
This is the generic MIPI-DSI command structure
| Field | Type | Description | Default |
|---|---|---|---|
virt_chn_id |
uint8
|
No default | |
dsi_data_type |
uint8
|
No default | |
pld_data |
vector<uint8>
|
No default | |
rsp_data |
vector<uint8>
|
No default | |
flags |
uint32
|
No default |
ENUMS
ColorCode strict
Type: uint8
Defined in fuchsia.hardware.dsiimpl/dsiimpl.fidl
| Name | Value | Description |
|---|---|---|
PACKED_16BIT_565 |
0 |
|
PACKED_18BIT_666 |
1 |
|
LOOSE_24BIT_666 |
2 |
|
PACKED_24BIT_888 |
3 |
DsiMode strict
Type: uint8
Defined in fuchsia.hardware.dsiimpl/dsiimpl.fidl
This enum is used to configure DSI interface in either Video or Command mode
| Name | Value | Description |
|---|---|---|
VIDEO |
0 |
|
COMMAND |
1 |
VideoMode strict
Type: uint8
Defined in fuchsia.hardware.dsiimpl/dsiimpl.fidl
| Name | Value | Description |
|---|---|---|
NON_BURST_PULSE |
0 |
|
NON_BURST_EVENT |
1 |
|
BURST |
2 |