1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
# SPDX-License-Identifier: MIT
from m1n1.utils import RegMap
from m1n1.trace.i2c import I2CTracer, I2CRegMapTracer
from m1n1.hw.codecs import *
hv.p.hv_set_time_stealing(0, 1)
class SN012776Tracer(I2CRegMapTracer):
REGMAP = SN012776Regs
ADDRESSING = (1, 1)
class TAS5770Tracer(I2CRegMapTracer):
REGMAP = TAS5770Regs
ADDRESSING = (1, 1)
class CS42L84Tracer(I2CRegMapTracer):
REGMAP = CS42L84Regs
ADDRESSING = (0, 2)
i2c_tracers = {}
for node in hv.adt["/arm-io"]:
if not node.name.startswith("i2c"):
continue
n = int(node.name[3:])
i2c_tracers[n] = bus = I2CTracer(hv, f"/arm-io/{node.name}")
for devnode in node:
if "compatible" not in devnode._properties: # thanks Apple
continue
dcls = {
"audio-control,tas5770": TAS5770Tracer,
"audio-control,sn012776": SN012776Tracer,
"audio-control,cs42l84": CS42L84Tracer,
}.get(devnode.compatible[0], None)
if dcls:
bus.add_device(
devnode.reg[0] & 0xff,
dcls(name=devnode.name)
)
bus.start()
|
