m1n1/proxyclient/experiments/dcp_iboot.py
Hector Martin 46f2811351 m1n1.fw.dcp.iboot: Identify colorspace values
Signed-off-by: Hector Martin <marcan@marcan.st>
2023-01-22 23:57:41 +09:00

108 lines
2.8 KiB
Python
Executable file

#!/usr/bin/env python3
# SPDX-License-Identifier: MIT
import sys, pathlib
sys.path.append(str(pathlib.Path(__file__).resolve().parents[1]))
import struct
from construct import *
from m1n1.setup import *
from m1n1.shell import run_shell
from m1n1 import asm
from m1n1.hw.dart import DART, DARTRegs
from m1n1.fw.dcp.iboot import DCPIBootClient, SurfaceFormat, EOTF, Transform, AddrFormat, Colorspace
from m1n1.proxyutils import RegMonitor
print(f"Framebuffer at {u.ba.video.base:#x}")
p.display_shutdown(DCP_SHUTDOWN_MODE.QUIESCED)
dart = DART.from_adt(u, "arm-io/dart-dcp")
disp_dart = DART.from_adt(u, "arm-io/dart-disp0")
#disp_dart.dump_all()
dcp_addr = u.adt["arm-io/dcp"].get_reg(0)[0]
dcp = DCPIBootClient(u, dcp_addr, dart, disp_dart)
dcp.dva_offset = getattr(u.adt["/arm-io/dcp"][0], "asc_dram_mask", 0)
dcp.start()
dcp.start_ep(0x23)
dcp.start_ep(0x24)
dcp.iboot.wait_for("disp0")
dcp.dptx.wait_for("dcpav0")
dcp.dptx.wait_for("dcpdp0")
#dcp.dptx.dcpav0.setPower(False)
#dcp.dptx.dcpav0.forceHotPlugDetect()
#dcp.dptx.dcpav0.setVirtualDeviceMode(0)
#dcp.dptx.dcpav0.setPower(True)
#dcp.dptx.dcpav0.wakeDisplay()
#dcp.dptx.dcpav0.sleepDisplay()
#dcp.dptx.dcpav0.wakeDisplay()
print("Waiting for HPD...")
while True:
hpd, ntim, ncolor = dcp.iboot.disp0.getModeCount()
if hpd:
break
print("HPD asserted")
print(f"Connected:{hpd} Timing modes:{ntim} Color modes:{ncolor}")
dcp.iboot.disp0.setPower(True)
timing_modes = dcp.iboot.disp0.getTimingModes()
print("Timing modes:")
print(timing_modes)
color_modes = dcp.iboot.disp0.getColorModes()
print("Color modes:")
print(color_modes)
timing_modes.sort(key=lambda c: (c.valid, c.width <= 1920, c.fps_int <= 60, c.width, c.height, c.fps_int, c.fps_frac))
timing_mode = timing_modes[-1]
color_modes.sort(key=lambda c: (c.valid, c.bpp <= 32, c.bpp, -int(c.colorimetry), -int(c.encoding), -int(c.eotf)))
color_mode = color_modes[-1]
print("Chosen timing mode:", timing_mode)
print("Chosen color mode:", color_mode)
dcp.iboot.disp0.setMode(timing_mode, color_mode)
w, h = timing_mode.width, timing_mode.height
layer = Container(
planes = [
Container(
addr = 0x013ec000,
stride = u.ba.video.stride,
addr_format = AddrFormat.PLANAR,
),
Container(),
Container()
],
plane_cnt = 1,
width = u.ba.video.width,
height = u.ba.video.height,
surface_fmt = SurfaceFormat.w30r,
colorspace = Colorspace.SCRGBFixed,
eotf = EOTF.GAMMA_SDR,
transform = Transform.NONE,
)
mw = min(w, u.ba.video.width)
mh = min(h, u.ba.video.height)
swap = dcp.iboot.disp0.swapBegin()
print(swap)
dcp.iboot.disp0.swapSetLayer(0, layer, (mw, mh, 0, 0), (mw, mh, 0, 0))
dcp.iboot.disp0.swapEnd()
#dcp.iboot.disp0.swapWait(swap.swap_id)
run_shell(globals(), msg="Have fun!")
# full shutdown!
dcp.stop(1)
p.pmgr_reset(0, "DISP0_CPU0")