Comments (5)
phhusson
commented on July 27, 2024
1
FWIW, CEC framework and cec on dw-hdmi support has been mainlined.
It now integrates the support for 4-bytes words, and it fixed the various EDID problems yo uhad.
I've enabled and tested CEC on rk3399-firefly with the following patch:
https://gist.github.com/phhusson/fffeb89ae7b179d685a9386b9dd44a1c
I'm afraid you'll still need your gpio7c0/gpio7c7 hack though.
(On the rk3399 there is only one CEC pin, so no problem)
from kernel.
phhusson
commented on July 27, 2024
gpio7c0/gpio7c7 hack should no longer be needed with https://patchwork.kernel.org/patch/10006451/
from kernel.
mcerveny
commented on July 27, 2024
Series of commits from UPSTREAM.
from kernel.
mcerveny
commented on July 27, 2024
I successfully tested CEC (Rock64/RK3328). There is only need to enable CEC in kernel config (mcerveny/rockchip-linux@ce35f37) and test with utility cec-compliance/cec-ctl (apt-get install v4l-utils (1.12.3-1)).
Compliance test:
# ## There is TV set and BD-player on CEC bus
# cec-compliance -v -T
CEC_ADAP_G_CAPS returned 0 (Success)
cec-compliance SHA : not available
Driver Info:
Driver Name : dwhdmi-rockchip
Adapter Name : dw_hdmi
Capabilities : 0x0000000e
Logical Addresses
Transmit
Passthrough
Driver version : 4.4.103
Available Logical Addresses: 4
CEC_ADAP_G_PHYS_ADDR returned 0 (Success)
Physical Address : 2.0.0.0
CEC_ADAP_G_LOG_ADDRS returned 0 (Success)
Logical Address Mask : 0x0100
CEC Version : 2.0
Vendor ID : 0xaabbcc
Logical Addresses : 1 (Allow RC Passthrough)
Logical Address : 8
Primary Device Type : Playback
Logical Address Type : Playback
All Device Types : Playback
RC TV Profile : None
Device Features :
None
Compliance test for device /dev/cec0:
The test results mean the following:
OK Supported correctly by the device.
OK (Not Supported) Not supported and not mandatory for the device.
OK (Presumed) Presumably supported. Manually check to confirm.
OK (Unexpected) Supported correctly but is not expected to be supported for this device.
OK (Refused) Supported by the device, but was refused.
FAIL Failed and was expected to be supported by this device.
Find remote devices:
CEC_TRANSMIT returned 0 (Success)
CEC_TRANSMIT returned 0 (Success)
CEC_TRANSMIT returned 0 (Success)
CEC_TRANSMIT returned 0 (Success)
CEC_TRANSMIT returned 0 (Success)
CEC_TRANSMIT returned 0 (Success)
CEC_TRANSMIT returned 0 (Success)
CEC_TRANSMIT returned 0 (Success)
CEC_TRANSMIT returned 0 (Success)
CEC_TRANSMIT returned 0 (Success)
CEC_TRANSMIT returned 0 (Success)
CEC_TRANSMIT returned 0 (Success)
CEC_TRANSMIT returned 0 (Success)
CEC_TRANSMIT returned 0 (Success)
CEC_TRANSMIT returned 0 (Success)
Polling: OK
Network topology:
System Information for device 0 (TV) from device 8 (Playback Device 2):
CEC Version : CEC_TRANSMIT returned 0 (Success)
1.4
Physical Address : CEC_TRANSMIT returned 0 (Success)
0.0.0.0
Primary Device Type : TV
Vendor ID : CEC_TRANSMIT returned 0 (Success)
0x00e091
OSD Name : CEC_TRANSMIT returned 0 (Success)
Tx, OK, Rx, Timeout
CEC_TRANSMIT returned 0 (Success)
Menu Language : kor
Power Status : CEC_TRANSMIT returned 0 (Success)
On
System Information for device 4 (Playback Device 1) from device 8 (Playback Device 2):
CEC Version : CEC_TRANSMIT returned 0 (Success)
1.4
Physical Address : CEC_TRANSMIT returned 0 (Success)
1.0.0.0
Primary Device Type : Playback
Vendor ID : CEC_TRANSMIT returned 0 (Success)
0x00e091
OSD Name : CEC_TRANSMIT returned 0 (Success)
'BD_PLAYER'
CEC_TRANSMIT returned 0 (Success)
Power Status : CEC_TRANSMIT returned 0 (Success)
Standby
Total: 1, Succeeded: 1, Failed: 0, Warnings: 0
Button test:
# ## press some buttons on tv-remote control
# cec-ctl --playback -o Rock64 -V 0xaabbcc -M -T
CEC_ADAP_G_CAPS returned 0 (Success)
Driver Info:
Driver Name : dwhdmi-rockchip
Adapter Name : dw_hdmi
Capabilities : 0x0000000e
Logical Addresses
Transmit
Passthrough
Driver version : 4.4.103
Available Logical Addresses: 4
CEC_ADAP_G_PHYS_ADDR returned 0 (Success)
Physical Address : 2.0.0.0
CEC_ADAP_S_LOG_ADDRS returned 0 (Success)
CEC_ADAP_S_LOG_ADDRS returned 0 (Success)
CEC_ADAP_G_LOG_ADDRS returned 0 (Success)
Logical Address Mask : 0x0100
CEC Version : 2.0
Vendor ID : 0xaabbcc
OSD Name : 'Rock64'
Logical Addresses : 1 (Allow RC Passthrough)
Logical Address : 8 (Playback Device 2)
Primary Device Type : Playback
Logical Address Type : Playback
All Device Types : Playback
RC TV Profile : None
Device Features :
None
Monitor All mode is not supported, falling back to regular monitoring
CEC_S_MODE returned 0 (Success)
CEC_DQEVENT returned 0 (Success)
Event: State Change: PA: 2.0.0.0, LA mask: 0x0100
CEC_RECEIVE returned 0 (Success)
Transmitted by Playback Device 2 to all (8 to 15): CEC_MSG_REPORT_FEATURES (0xa6):
cec-version: version-2-0 (0x06)
all-device-types: playback (0x10)
rc-profile: tv-profile-none (0x00)
dev-features: 0 (0x00)
CEC_RECEIVE returned 0 (Success)
Transmitted by Playback Device 2 to all (8 to 15): CEC_MSG_REPORT_PHYSICAL_ADDR (0x84):
phys-addr: 2.0.0.0
prim-devtype: playback (0x04)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_FEATURE_ABORT (0x00):
abort-msg: 166 (0xa6)
reason: unrecognized-op (0x00)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_GIVE_DEVICE_POWER_STATUS (0x8f)
CEC_RECEIVE returned 0 (Success)
Transmitted by Playback Device 2 to TV (8 to 0): CEC_MSG_FEATURE_ABORT (0x00):
abort-msg: 143 (0x8f)
reason: unrecognized-op (0x00)
CEC_RECEIVE returned 0 (Success)
Received from TV to all (0 to 15): CEC_MSG_DEVICE_VENDOR_ID (0x87):
vendor-id: 57489 (0x0000e091)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_GIVE_DEVICE_VENDOR_ID (0x8c)
CEC_RECEIVE returned 0 (Success)
Transmitted by Playback Device 2 to all (8 to 15): CEC_MSG_DEVICE_VENDOR_ID (0x87):
vendor-id: 11189196 (0x00aabbcc)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_GIVE_OSD_NAME (0x46)
CEC_RECEIVE returned 0 (Success)
Transmitted by Playback Device 2 to TV (8 to 0): CEC_MSG_SET_OSD_NAME (0x47):
name: Rock64
CEC_RECEIVE returned 0 (Success)
Received from TV to all (0 to 15): CEC_MSG_DEVICE_VENDOR_ID (0x87):
vendor-id: 57489 (0x0000e091)
CEC_RECEIVE returned 0 (Success)
Received from TV to all (0 to 15): CEC_MSG_DEVICE_VENDOR_ID (0x87):
vendor-id: 57489 (0x0000e091)
CEC_RECEIVE returned 0 (Success)
Received from TV to all (0 to 15): CEC_MSG_DEVICE_VENDOR_ID (0x87):
vendor-id: 57489 (0x0000e091)
CEC_RECEIVE returned 0 (Success)
Received from TV to all (0 to 15): CEC_MSG_DEVICE_VENDOR_ID (0x87):
vendor-id: 57489 (0x0000e091)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_POLL
CEC_RECEIVE returned 0 (Success)
Received from TV to all (0 to 15): CEC_MSG_DEVICE_VENDOR_ID (0x87):
vendor-id: 57489 (0x0000e091)
CEC_RECEIVE returned 0 (Success)
Received from TV to all (0 to 15): CEC_MSG_DEVICE_VENDOR_ID (0x87):
vendor-id: 57489 (0x0000e091)
CEC_RECEIVE returned 0 (Success)
Received from TV to all (0 to 15): CEC_MSG_DEVICE_VENDOR_ID (0x87):
vendor-id: 57489 (0x0000e091)
CEC_RECEIVE returned 0 (Success)
Received from TV to all (0 to 15): CEC_MSG_DEVICE_VENDOR_ID (0x87):
vendor-id: 57489 (0x0000e091)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_POLL
Transmitted by Playback Device 2 to all (8 to 15): CEC_MSG_DEVICE_VENDOR_ID (0x87):
vendor-id: 11189196 (0x00aabbcc)
CEC_RECEIVE returned 0 (Success)
Received from Playback Device 1 to all (4 to 15): CEC_MSG_DEVICE_VENDOR_ID (0x87):
vendor-id: 57489 (0x0000e091)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_GIVE_DEVICE_POWER_STATUS (0x8f)
CEC_RECEIVE returned 0 (Success)
Transmitted by Playback Device 2 to TV (8 to 0): CEC_MSG_FEATURE_ABORT (0x00):
abort-msg: 143 (0x8f)
reason: unrecognized-op (0x00)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_GIVE_OSD_NAME (0x46)
CEC_RECEIVE returned 0 (Success)
Transmitted by Playback Device 2 to TV (8 to 0): CEC_MSG_SET_OSD_NAME (0x47):
name: Rock64
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_GIVE_DEVICE_POWER_STATUS (0x8f)
CEC_RECEIVE returned 0 (Success)
Transmitted by Playback Device 2 to TV (8 to 0): CEC_MSG_FEATURE_ABORT (0x00):
abort-msg: 143 (0x8f)
reason: unrecognized-op (0x00)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_USER_CONTROL_PRESSED (0x44):
ui-cmd: Power On Function (0x6d)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_USER_CONTROL_PRESSED (0x44):
ui-cmd: Down (0x02)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_USER_CONTROL_RELEASED (0x45)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_USER_CONTROL_PRESSED (0x44):
ui-cmd: Play (0x44)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_USER_CONTROL_RELEASED (0x45)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_USER_CONTROL_PRESSED (0x44):
ui-cmd: Pause (0x46)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_USER_CONTROL_RELEASED (0x45)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_USER_CONTROL_PRESSED (0x44):
ui-cmd: Stop (0x45)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_USER_CONTROL_RELEASED (0x45)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_USER_CONTROL_PRESSED (0x44):
ui-cmd: Up (0x01)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_USER_CONTROL_RELEASED (0x45)
CEC_RECEIVE returned 0 (Success)
ui-cmd: F2 (Red) (0x72)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_USER_CONTROL_RELEASED (0x45)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_USER_CONTROL_PRESSED (0x44):
ui-cmd: F3 (Green) (0x73)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_USER_CONTROL_RELEASED (0x45)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_USER_CONTROL_PRESSED (0x44):
ui-cmd: F4 (Yellow) (0x74)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_USER_CONTROL_RELEASED (0x45)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_USER_CONTROL_PRESSED (0x44):
ui-cmd: F1 (Blue) (0x71)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_USER_CONTROL_RELEASED (0x45)
CEC_RECEIVE returned 0 (Success)
Received from TV to Playback Device 2 (0 to 8): CEC_MSG_USER_CONTROL_PRESSED (0x44):
ui-cmd: Back (0x0d)
CEC_RECEIVE returned 0 (Success)
from kernel.
RosiersRobin
commented on July 27, 2024
Maybe a stupid question, but I currently have a mini pc, that is running a rockchip kernel and debian. However, I want CEC (hardware should have it). Reading this article, it seems like it's it the current kernel (I run 5.10.110) Debian GNU/Linux 11 (bullseye) but I don't have a /etc/cec0 bus, how can I have this? How can I enable this? I don't have the ability to re-compile from source and then flash.
from kernel.
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from kernel.