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* chg_ramp: Add charge_is_consuming_full_input_current().Aseda Aboagye2017-11-011-1/+1
| | | | | | | | | | | | | | | | | | | Most boards had an identical implementation for this function, previously known as board_is_consuming_full_charge(). To reduce copy paste, let's just move it to common code. Boards that charge ramp without a battery will have to define their own implementation, but there probably won't be any boards like that in the near future. BUG=None BRANCH=None TEST=make -j buildall Change-Id: Ic99a378ac26dfd35d7d718bf9376eacfa8609166 Signed-off-by: Aseda Aboagye <aaboagye@google.com> Reviewed-on: https://chromium-review.googlesource.com/748919 Commit-Ready: Aseda Aboagye <aaboagye@chromium.org> Tested-by: Aseda Aboagye <aaboagye@chromium.org> Reviewed-by: Shawn N <shawnn@chromium.org>
* charge_ramp: Move ramp allowed / ilim callbacks to common codeShawn Nematbakhsh2017-10-061-11/+23
| | | | | | | | | | | | | | | | | | | | | The decision on whether to ramp (and how high) depends on the quirks of charger identification, so move the decision out of board, into the drivers that implement usb_charger. Also, rename CONFIG_CHARGE_RAMP to CONFIG_CHARGE_RAMP_SW, to better contrast with the existing CONFIG_CHARGE_RAMP_HW. BUG=None TEST=Manual on kevin, verify ramp occurs when port plugged into Z840 workstation. BRANCH=None Change-Id: I5b395274133837a18a4f4ac34b59b623287be175 Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/702681 Commit-Ready: Shawn N <shawnn@chromium.org> Tested-by: Shawn N <shawnn@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
* Remove references to individual gendersThiemo Nagel2017-05-291-3/+3
| | | | | | | | | | | | | | | Remove references to individual genders in comments/examples. No functional change. For the rationale, cf. https://chromium.googlesource.com/chromium/src/+/master/styleguide/gender_neutral_code.md BUG=none TEST=none Change-Id: I756d22c617fe1a8fde2e967796e112e2c6159bf9 Reviewed-on: https://chromium-review.googlesource.com/517123 Commit-Ready: Thiemo Nagel <tnagel@chromium.org> Tested-by: Thiemo Nagel <tnagel@chromium.org> Reviewed-by: Bill Richardson <wfrichar@chromium.org>
* chg_ramp: Don't change ICL until vals are init'd.Aseda Aboagye2017-03-301-1/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | When the charge ramp task starts, it starts up in the DISCONNECTED state. From this state, it's possible to set the input current limit to 0 mA. However, upon task start, we shouldn't take any action until we have valid values from a new charge supplier or a supplier leaving. This commit changes the charge ramp task to not touch the input current limit until the charge ramp state changes or the desired input current changes at least once. BUG=b:36468002 BRANCH=gru,master TEST=Flash kevin EC RW or build AP FW that contains the fix that will by sync'd by EC SW sync. Make sure WP is asserted to prevent PD communications in RO. Unplug battery. Plug in AC, verify that system can boot up to UI on AC alone. TEST=make -j buildall Change-Id: I351917bce7902c49d1bb842a0cc83dd161d75b6f Reviewed-on: https://chromium-review.googlesource.com/461382 Commit-Queue: Aseda Aboagye <aaboagye@chromium.org> Tested-by: Aseda Aboagye <aaboagye@chromium.org> Reviewed-by: Randall Spangler <rspangler@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/463927 Commit-Ready: Aseda Aboagye <aaboagye@chromium.org> Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
* charge_ramp: Specify port number in board_is_vbus_too_low()Shawn Nematbakhsh2017-02-021-1/+1
| | | | | | | | | | | | | | | | | | | charge_ramp needs to make a decision based upon the VBUS level on one specific port - the port that is ramping. The VBUS level on any other charge ports (if present) is not relevant. BUG=chrome-os-partner:54099 BRANCH=reef, gru TEST=With subsequent patches, verify charge_ramp success with a variety of BC1.2 chargers. Change-Id: Ie0a51a577e2b7491222560cd08dd5321ff3b7975 Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/435561 Commit-Ready: Shawn N <shawnn@chromium.org> Tested-by: Shawn N <shawnn@chromium.org> Reviewed-by: Vijay P Hiremath <vijay.p.hiremath@intel.com> Reviewed-by: Shawn N <shawnn@chromium.org>
* Revert "charge_ramp: Adjust minimum ramp current"Vijay Hiremath2017-01-181-6/+0
| | | | | | | | | | | | | | | | | | | | From the USBC spec 1.2 "Table 4-14 Precedence of power source usage" USB Type-C 3.0 A & 1.5 A takes precedence over BC1.2. Hence reverting this patch. This reverts commit 6a7e4a7b353c53d33d44662c71763490ffd1fdc4. BUG=chrome-os-partner:61420 BRANCH=none TEST=make buildall -j Change-Id: I2ed3f767973ff9c47fa7d2a2cca1aca15d13aa65 Signed-off-by: Vijay Hiremath <vijay.p.hiremath@intel.com> Reviewed-on: https://chromium-review.googlesource.com/430152 Commit-Ready: Vijay P Hiremath <vijay.p.hiremath@intel.com> Tested-by: Vijay P Hiremath <vijay.p.hiremath@intel.com> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Benson Leung <bleung@chromium.org>
* charge_ramp: Adjust minimum ramp currentVijay Hiremath2017-01-131-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | A valid charge port is always detected as VBUS supplier type, 'USB charger' can detect the same port as BC1.2 DCP supplier type & also 'TCPC' can detect the same port as TYPEC supplier type. Thus a valid port is detected as 2 or 3 supplier types. Depending on the supplier's priority and the power that the supplier can provide, charge manager choses the charge supplier type of the port. If the USB charger detected supplier is BC1.2 DCP and the TCPC detected supplier is TYPEC then the supplier can provide stable current from TYPEC supplier's advertised current hence start ramping from TYPEC supplier's advertised current. BUG=chrome-os-partner:61420 BRANCH=none TEST=Manually tested on reef. Donette bottom port can switch from 1.5A to 3A upon high load. Change-Id: I871eca3ae4041f00bb3fd50e6aa939643f30a1f2 Signed-off-by: Vijay Hiremath <vijay.p.hiremath@intel.com> Reviewed-on: https://chromium-review.googlesource.com/427961 Commit-Ready: Vijay P Hiremath <vijay.p.hiremath@intel.com> Tested-by: Vijay P Hiremath <vijay.p.hiremath@intel.com> Reviewed-by: Shawn N <shawnn@chromium.org>
* charge_state_v2: Limit i/p current to meet allowed MAX i/p system powerVijay Hiremath2016-12-051-3/+4
| | | | | | | | | | | | | | | | | | | | | If battery is not present, input current is set to PD_MAX_CURRENT_MA. If the input power set is greater than the maximum allowed system power, system might get damaged. Hence, limit the input current to meet maximum allowed input system power. BUG=chrome-os-partner:58498 BRANCH=none TEST=Manually tested on Reef. Removed the battery & using 'charger' console command observed the following. With Zinger charger at 20V - Input current is set to 2.25A With Type-C & other chargers - Input current is set to 3A Change-Id: Ife8686f322e095aa74b740a7c469bfe87107fb9a Signed-off-by: Vijay Hiremath <vijay.p.hiremath@intel.com> Reviewed-on: https://chromium-review.googlesource.com/397865 Commit-Ready: Vijay P Hiremath <vijay.p.hiremath@intel.com> Tested-by: Vijay P Hiremath <vijay.p.hiremath@intel.com> Reviewed-by: Shawn N <shawnn@chromium.org>
* charge_manager: Pass uncapped / max current to current limit callbackShawn Nematbakhsh2016-09-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | charge_manager may request a charge current limit less than the capability of the supply in certain cases (eg. during PD voltage transition, to make an effort to comply with reduced load spec). Depending on the battery / system state, setting a reduced charge current limit may result in brownout. Pass the uncapped / max negotiated current to board_set_charge_limit() so that boards may use it instead of the requested limit in such circumstances. BUG=chrome-os-partner:56139 BRANCH=gru TEST=Manual on kevin with subsequent commit, boot system with zinger + low-charge battery, verify devices powers up to OS without brownout. Change-Id: I2b8e0d44edcf57ffe4ee0fdec1a1ed35c6becbbd Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/383732 Commit-Ready: Shawn N <shawnn@chromium.org> Tested-by: Shawn N <shawnn@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
* Driver: BD99955: Enable BC1.2 supportVijay Hiremath2016-05-241-1/+1
| | | | | | | | | | | | | | | | | BUG=none BRANCH=none TEST=Manually tested on Amenia. Connected Zinger, Type-C, DCP & CDP chargers. Device can negotiate to desired current & voltage and the battery can charge. USB2.0 sync device is detected by Kernel. Change-Id: I58cb69289eef9a966e06bef8fe31d35beaec5e27 Signed-off-by: Vijay Hiremath <vijay.p.hiremath@intel.com> Reviewed-on: https://chromium-review.googlesource.com/341030 Commit-Ready: Vijay P Hiremath <vijay.p.hiremath@intel.com> Tested-by: Vijay P Hiremath <vijay.p.hiremath@intel.com> Tested-by: Kevin K Wong <kevin.k.wong@intel.com> Reviewed-by: Shawn N <shawnn@chromium.org>
* pd: Add common EC_HOST_EVENT_PD_MCU implementationShawn Nematbakhsh2016-01-071-4/+0
| | | | | | | | | | | | | | | | | | | | | For TCPMs with an off chip TCPC, PD MCU host event status can be handled in a common way. When a status flag is updated (ex. from charge_manager), notify the AP through the host event, and save the status flag for later retrieval. BUG=chrome-os-partner:49124 BRANCH=None TEST=Verify `cat /sys/class/power_supply/CROS_USB_PD_CHARGER1/online` on chell reflects the actual online status of the charger. Also verify UI charge icon tracks the online status correctly. Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Change-Id: I63bc70205627474590e38ffd282faedaea3bcc66 Reviewed-on: https://chromium-review.googlesource.com/320796 Commit-Ready: Shawn N <shawnn@chromium.org> Tested-by: Shawn N <shawnn@chromium.org> Reviewed-by: Benson Leung <bleung@chromium.org> Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
* charger: Move USB charger / BC1.2 task to common codeShawn Nematbakhsh2015-06-101-7/+11
| | | | | | | | | | | | | | | | Move the task responsible for detection of USB chargers to common code to reduce code duplication. BUG=chrome-os-partner:40920 TEST=Manual on samus_pd. Plug USB charger, verify detection is correct on both charge ports. BRANCH=None Change-Id: I362f8b5b51741509e459c66928131f1f6d2a3b1d Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/276210 Reviewed-by: Vincent Palatin <vpalatin@chromium.org> Reviewed-by: Alec Berg <alecaberg@chromium.org>
* charge_ramp: fix flaky charge_ramp testAlec Berg2015-05-021-11/+13
| | | | | | | | | | | | | | | | | | | | Fix flaky charge_ramp test. The test often delays CHARGE_DETECT_DELAY after a new charger has been plugged in. But, that is the same delay the charge_ramp module uses before starting to ramp. This creates a race condition where sometimes the test resumes before the ramp up starts and sometimes the test resumes after the ramp up starts. This change fixes the problem by modifying the test to delay by 100ms less than the charge_ramp module. BUG=chromium:483543 BRANCH=none TEST=run charge_ramp test 10 times w/o this CL and see failure 4 times. run test 20 times with this CL and observe 0 failures. Change-Id: I5f7a6a05f9293d3dd7db5517a9df7caec95c58ea Signed-off-by: Alec Berg <alecaberg@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/268798 Reviewed-by: Bill Richardson <wfrichar@chromium.org>
* samus: ryu: allow charge ramp on CDP and proprietary chargersAlec Berg2015-03-071-1/+1
| | | | | | | | | | | | | | | | | | | Modify charge ramp so that when it ramps it ramps from 500mA and up to the maximum allowed by that supplier. Also modify Samus and Ryu to use charge ramping for CDP and proprietary chargers due to the possibility that they may not be able to supply the amount that is supposed to be guaranteed by their advertisement. BUG=chrome-os-partner:37549 BRANCH=samus TEST=test on a proprietary charger, make sure we can ramp. test a DCP and make sure we also ramp as before. Change-Id: I08fd43c8f0b21aa54d114fbe5a1296c9556357e4 Signed-off-by: Alec Berg <alecaberg@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/256972 Reviewed-by: Shawn N <shawnn@chromium.org> Reviewed-by: Vic Yang <victoryang@chromium.org>
* charge_ramp: initial commit of charge ramp moduleAlec Berg2015-02-181-0/+502
Add new charge_ramp module which works with charge_manager to slowly increase input current limit in order to find the optimal charging current. To do this it looks for either VBUS drooping too low or for the charger to over-current. BUG=chrome-os-partner:34946 BRANCH=samus TEST=tested with a variety of BC1.2 chargers, type-C only chargers, and PD chargers to make sure we always stabilize charging at an appropriate current limit. Change-Id: Icc95aa2738ddb221f163f91c14a342a0674f9e0f Signed-off-by: Alec Berg <alecaberg@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/247304 Reviewed-by: Vic Yang <victoryang@chromium.org> Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
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