• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1# Copyright 2016 The Chromium OS Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5import logging, time
6
7from autotest_lib.client.common_lib import error
8from autotest_lib.client.common_lib import utils
9from autotest_lib.server.cros.faft.firmware_test import FirmwareTest
10
11# platform_S3Cycle test timing constants
12BEFORE_SUSPEND_WAIT_TIME_SECONDS = 10
13BEFORE_RESUME_WAIT_TIME_SECONDS = 2
14SUSPEND_WAIT_TIME_SECONDS = 5
15LIDOPEN_WAIT_TIME_SECONDS = 2
16POWER_STATE_RETRY_COUNT = 10
17
18class platform_S3Cycle(FirmwareTest):
19    '''
20    Servo based S3 cycle test.
21    '''
22    version = 1
23
24    def initialize(self, host, cmdline_args):
25        dict_args = utils.args_to_dict(cmdline_args)
26        self.faft_iterations = int(dict_args.get('faft_iterations', 1))
27        super(platform_S3Cycle, self).initialize(host, cmdline_args)
28        self.switcher.setup_mode('normal')
29
30    def perform_s3_cycle(self):
31        """
32        Perform S3 suspend/resume cycle and check state transition.
33        """
34        resume_sources = ['powerbtn', 'lid', 'kbpress']
35        for resume_source in resume_sources:
36            time.sleep(BEFORE_SUSPEND_WAIT_TIME_SECONDS);
37            self.perform_suspend()
38            self.perform_resume(resume_source)
39
40    def perform_suspend(self):
41        """
42        Perform suspend to mem and check state transition.
43        """
44        logging.info('== S3 suspend and check the state transition ==')
45        # check S0 state transition
46        if not self.wait_power_state('S0', POWER_STATE_RETRY_COUNT):
47            raise error.TestFail('Platform failed to reach S0 state.')
48        cmd = 'echo mem > /sys/power/state'
49        block = False
50        self.faft_client.system.run_shell_command(cmd, block)
51        time.sleep(SUSPEND_WAIT_TIME_SECONDS);
52        # check S3 state transition
53        if not self.wait_power_state('S3', POWER_STATE_RETRY_COUNT):
54            raise error.TestFail('Platform failed to reach S3 state.')
55
56    def perform_resume(self, resume_source):
57        """
58        Perform resume with selected resume source and check state transition.
59        @param resume_source(string):resume source option.
60        """
61        logging.info('== S3 resume and check the state transition ==')
62        time.sleep(BEFORE_RESUME_WAIT_TIME_SECONDS);
63        if resume_source == 'powerbtn':
64            self.ec.send_command('powerbtn')
65        elif resume_source == 'lid':
66            self.ec.send_command('lidclose')
67            time.sleep(LIDOPEN_WAIT_TIME_SECONDS);
68            self.ec.send_command('lidopen')
69        elif resume_source == 'kbpress':
70            self.ec.key_press('<enter>')
71        else:
72            raise error.TestFail('Invalid resume source.')
73        # check S0 state transition
74        if not self.wait_power_state('S0', POWER_STATE_RETRY_COUNT):
75            raise error.TestFail('Platform failed to reach S0 state.')
76
77    def run_once(self):
78        """Main test logic"""
79        if not self.faft_config.chrome_ec or not self.check_ec_capability():
80            raise error.TestNAError('Chrome EC is not supported on this device.')
81
82        for i in xrange(self.faft_iterations):
83            logging.info('== Running FAFT ITERATION %d/%s ==',i+1, self.faft_iterations)
84            logging.info('S3 suspend/resume back and check state transition.')
85            self.switcher.mode_aware_reboot('custom', self.perform_s3_cycle)
86
87    def cleanup(self):
88        self.ec.set_uart_regexp('None')
89        # Test may failed before resume, wake the system.
90        self.ec.send_command('powerbtn')
91        # Perform a warm reboot as part of the cleanup.
92        self._client.reboot()
93        super(platform_S3Cycle, self).cleanup()
94