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m1n1/proxyclient/experiments/touchbar_rainbow.py

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#!/usr/bin/env python3
import sys, pathlib
sys.path.append(str(pathlib.Path(__file__).resolve().parents[1]))
from m1n1.setup import *
from m1n1.hw.dart import DART
from m1n1.utils import *
dart = DART.from_adt(u, "arm-io/dart-dispdfr")
width = 2040
height = 60
stride = 64
fb_size = align_up(width * stride * 4, 8 * 0x4000)
buf = u.memalign(0x4000, fb_size)
colors = [0xDD0000, 0xFE6230, 0xFEF600, 0x00BB00, 0x009BFE, 0x000083, 0x30009B]
for i, color in enumerate(colors):
lines = width // len(colors)
offset = i * lines * stride * 4
for j in range(lines):
p.memset32(buf + offset + j * stride * 4, color, height * 2)
p.memset32(buf + offset + j * stride * 4 + height * 2, 0xffffffff^color, height * 2)
iova = dart.iomap(0, buf, fb_size)
buf_mask = u.memalign(0x4000, fb_size)
p.memset32(buf_mask, 0xFFFFFFFF, fb_size)
iova_mask = dart.iomap(0, buf_mask, fb_size)
p.write32(0x228202200, iova_mask)
dart.dump_device(0)
#enable backlight
p.write32(0x228600070,0x8051)
p.write32(0x22860006c,0x229)
#enable fifo and vblank
p.write32(0x228400100, 0x613)
# Color correction magic (idk why but it makes colors actually work)
p.write32(0x228202074, 0x1)
p.write32(0x228202028, 0x10)
p.write32(0x22820202c, 0x1)
p.write32(0x228202020, 0x1)
p.write32(0x228202034, 0x1)
#layer enable
p.write32(0x228204020, 0x1)
p.write32(0x228204068, 0x1)
p.write32(0x2282040b4, 0x1)
p.write32(0x2282040f4, 0x1)
p.write32(0x2282040ac, 0x100000)
p.write32(0x228201038, 0x10001)
#layer size
p.write32(0x228204048, height << 16 | width)
p.write32(0x22820404c, height << 16 | width)
p.write32(0x22820407c, height << 16 | width)
p.write32(0x228204054, height << 16 | width)
#global size
p.write32(0x228201030, height << 16 | width)
#some more color correction
p.write32(0x22820402c, 0x53e4001)
pipe = [
0x20014038,
0x2a | (stride * 4),
0x20014030,
0x2a | iova,
]
pipe = [0xc0000001 | (len(pipe) << 16)] + pipe
def flush(pipe):
for i in pipe:
p.write32(0x2282010c0, i)
flush(pipe)