Add touchbar screen experiments

Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>

proxyclient/experiments/touchbar_apple_prepare.sh

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+#!/bin/bash
+
+yt-dlp 'https://www.youtube.com/watch?v=UkgK8eUdpAo'
+ffmpeg -i *.webm -vf scale=80:60 crushed.mkv
+ffmpeg -i crushed.mkv -f rawvideo -pix_fmt rgb24 out.bin

proxyclient/experiments/touchbar_bad_apple.py

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+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
+
+def make_fb():
+    width = 80
+    fb_size = align_up(width * stride * 4, 8 * 0x4000)
+    buf = u.memalign(0x4000, fb_size)
+    return (dart.iomap(0, buf, fb_size), buf)
+
+
+width = 2040
+fb_size = align_up(width * stride * 4, 8 * 0x4000)
+buf_mask = u.memalign(0x4000, fb_size)
+p.memset32(buf_mask, 0, fb_size)
+p.memset32(buf_mask, 0xFFFFFFFF, 10*stride)
+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)
+
+def make_pipe(iova):
+    pipe = [
+        0x20014038,
+        0x2a | (stride * 4),
+        0x20014030,
+        0x2a | iova,
+    ]
+    pipe = [0xc0000001 | (len(pipe) << 16)] + pipe
+    return pipe
+
+def flush(pipe):
+ for i in pipe:
+  p.write32(0x2282010c0, i)
+
+data = open('out.bin', 'rb').read()
+def play():
+    frame = 0
+    while 1:
+        iova, base = make_fb()
+        for y in range(60):
+            for x in range(80):
+                pix = data[(x + y * 80 + frame * 80 * 60) * 3]
+                pos = base + ((60 - y) + x * 64) * 4
+                if pix < 128:
+                    p.write32(pos, 0)
+                else:
+                    p.write32(pos, 0x00FFFFFF)
+        flush(make_pipe(iova))
+        frame += 1
+
+play()

proxyclient/experiments/touchbar_rainbow.py

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+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 = stride // len(colors)
+    offset = i * lines * width * 4
+    p.memset32(buf + offset, color, lines * width * 4)
+
+
+
+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)