120 lines
4.8 KiB
Python
120 lines
4.8 KiB
Python
# Copyright 2019 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import logging
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import time
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from autotest_lib.client.common_lib import error
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from autotest_lib.server.cros.faft.cr50_test import Cr50Test
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class firmware_Cr50RddG3(Cr50Test):
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"""Verify Rdd connect and disconnect in G3."""
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version = 1
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WAIT_FOR_STATE = 10
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# Cr50 debounces disconnects. We need to wait before checking Rdd state
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RDD_DEBOUNCE = 3
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def rdd_is_connected(self):
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"""Return True if Cr50 detects Rdd."""
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time.sleep(2)
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return self.cr50.get_ccdstate()['Rdd'] == 'connected'
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def check_capabilities(self, capabilities):
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"""Returns the matching capability or None."""
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if not capabilities:
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return None
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for capability in capabilities:
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if self.check_cr50_capability([capability]):
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return capability
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return None
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def check_rdd_status(self, dts_mode, err_desc, capabilities=None,
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irregular_cap=False):
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"""Check the rdd state.
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@param dts_mode: 'on' if Rdd should be connected. 'off' if it should be
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disconnected.
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@param err_desc: Description of the rdd error.
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@param capabilities: ignore err_desc if any of the capabilities from
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this list are found in the faft board config.
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@param irregular_cap: If True, don't fail when the behavior doesn't
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happen and the board capability is present.
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@param raises TestFail if rdd state doesn't match the expected rdd state
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or if it does and the board has the capability set.
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"""
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time.sleep(self.RDD_DEBOUNCE)
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err_msg = None
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rdd_enabled = self.rdd_is_connected()
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logging.info('dts: %r rdd: %r', dts_mode,
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'connected' if rdd_enabled else 'disconnected')
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board_cap = self.check_capabilities(capabilities)
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if rdd_enabled != (dts_mode == 'on'):
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if board_cap:
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logging.info('Board has %r. %r still applies to board.',
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board_cap, err_desc)
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else:
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err_msg = err_desc
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elif board_cap:
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err_msg = 'Board has %r, but %r did not occur.' % (board_cap,
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err_desc)
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if irregular_cap:
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logging.info('Irregular Cap behavior %s', err_msg)
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err_msg = None
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if err_msg:
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logging.warning(err_msg)
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self.rdd_failures.append(err_msg)
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def run_once(self):
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"""Verify Rdd in G3."""
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self.rdd_failures = []
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if not hasattr(self, 'ec'):
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raise error.TestNAError('Board does not have an EC.')
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if not self.servo.dts_mode_is_valid():
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raise error.TestNAError('Run with type-c servo v4.')
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self.servo.set_dts_mode('on')
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self.check_rdd_status('on', 'Cr50 did not detect Rdd with dts mode on')
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self.servo.set_dts_mode('off')
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self.check_rdd_status('off', 'Cr50 did not detect Rdd disconnect in S0')
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logging.info('Checking Rdd is disconnected with the EC in hibernate')
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self.faft_client.system.run_shell_command('poweroff')
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time.sleep(self.WAIT_FOR_STATE)
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self.ec.send_command('hibernate')
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time.sleep(self.WAIT_FOR_STATE)
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self.check_rdd_status('off', 'Rdd connected after EC hibernate',
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['rdd_leakage', 'ec_hibernate_breaks_rdd'])
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logging.info('Checking Rdd can be connected in G3.')
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self.servo.set_dts_mode('on')
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self.check_rdd_status('on', 'Cr50 did not detect Rdd connect in G3')
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# Turn the DUT on, then reenter G3 to make sure the system handles Rdd
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# while entering G3 ok.
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self._try_to_bring_dut_up()
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self.check_rdd_status('on', 'Rdd disconnected entering S0')
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logging.info('Checking Rdd is connected with the EC in hibernate.')
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self.faft_client.system.run_shell_command('poweroff')
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time.sleep(self.WAIT_FOR_STATE)
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self.ec.send_command('hibernate')
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time.sleep(self.WAIT_FOR_STATE)
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self.check_rdd_status('on', 'Rdd disconnected after EC hibernate',
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['rdd_off_in_g3', 'ec_hibernate_breaks_rdd'])
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logging.info('Checking Rdd can be disconnected in G3.')
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self.servo.set_dts_mode('off')
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self.check_rdd_status('off', 'Cr50 did not detect Rdd disconnect in G3',
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['rdd_leakage'], irregular_cap=True)
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self._try_to_bring_dut_up()
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if self.rdd_failures:
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raise error.TestFail('Found Rdd issues: %s' % (self.rdd_failures))
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