def _generate_dcs_write(t: Transaction, payload: bytes, options: Options) -> str:
# TODO: Warn when downstream uses LONG_WRITE but mainline would use SHORT
dcs = DCSCommand.find(payload, options.dumb_dcs)
if dcs and dcs.method:
return _generate_checked_call(dcs.method, dcs.get_params(payload[1:]), dcs.description)
params = _get_params_hex(payload)
if dcs:
params[0] = dcs.identifier
params.insert(0, 'dsi')
return wrap.join('\tdsi_dcs_write_seq(', ',', ');', params, force=2)
def generate_commands(p: Panel, cmd_name: str) -> str:
cmd: CommandSequence = p.cmds[cmd_name]
cmds = ""
struct = f"static struct mipi_dsi_cmd {p.id}_{cmd_name}_command[] = {{\n"
s = ""
i = 0
for c in cmd.seq:
b = bytearray()
long = c.type.is_long
if long:
b += int.to_bytes(len(c.payload), 2, 'little') # Word count (WC)
else:
assert len(c.payload) <= 2, f"Payload too long: {len(c.payload)}"
itr = iter(c.payload)
b.append(next(itr, 0))
b.append(next(itr, 0))
b.append(c.type.value | c.vc << 6)
b.append(int(c.ack) << 5 | int(long) << 6 | int(c.last) << 7)
if long:
b += bytes(c.payload)
# DMA command size must be multiple of 4
mod = len(b) % 4
if mod != 0:
b += bytes([0xff] * (4 - mod))
name = f'{p.id}_{cmd_name}_cmd_{i}'
cmds += f'static char {name}[] = {{\n'
cmds += wrap.join('\t',
',',
'', [f'{byte:#04x}' for byte in b],
wrap=54)
cmds += '\n};\n'
struct += f'\t{{ sizeof({name}), {name}, {c.wait} }},\n'
i += 1
struct += '};'
return cmds + '\n' + struct
def _generate_generic_write(t: Transaction, payload: bytes,
options: Options) -> str:
# TODO: Warn when downstream uses LONG_WRITE but mainline would use SHORT
params = _get_params_hex(payload)
params.insert(0, 'dsi')
return wrap.join('\tdsi_generic_write_seq(', ',', ');', params, force=2)