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When we find that charging is in a wedged state, we may wish to write a PD log entry, but the PD MCU cannot detect such a state on its own. Therefore, add a new command to ask the PD MCU to write a log of a given type, and add a new board-specific custom log event. BUG=chrome-os-partner:36668 TEST=Manual on samus: ./ectool --dev=1 pdwritelog charge 0 ./ectool --dev=1 pdwritelog charge 1 ./ectool --dev=1 pdwritelog 1 0 ./ectool --dev=1 pdwritelog 2 0 ./ectool --dev=1 pdlog Verify log output matches expectation: 2015-02-12 11:12:49.290 P0 SRC 2015-02-12 11:12:49.296 P1 SNK Charger PD 20286mV max 20000mV / 3000mA 2015-02-12 11:12:49.303 P0 New connection 2015-02-12 11:12:49.310 P0 Board-custom event --- END OF LOG -- Also, verify kernel logging of wedged event: [ 181.378420] PDLOG 2015/02/12 19:13:44.019 P0 Event 02 (0000) [] Also, trigger wedged state on Samus and verify log entry is written. BRANCH=Samus Change-Id: I55c7c839cf8300fcd3931dccdaaf16c1065e31a8 Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/248981 Reviewed-by: Alec Berg <alecaberg@chromium.org>
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/* Copyright (c) 2014 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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*/
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#ifndef __CHARGE_MANAGER_H
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#define __CHARGE_MANAGER_H
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#include "common.h"
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/* Charge port that indicates no active port */
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#define CHARGE_SUPPLIER_NONE -1
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#define CHARGE_PORT_NONE -1
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#define CHARGE_CEIL_NONE -1
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/* Initial charge state */
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#define CHARGE_CURRENT_UNINITIALIZED -1
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#define CHARGE_VOLTAGE_UNINITIALIZED -1
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/* Charge tasks report available current and voltage */
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struct charge_port_info {
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int current;
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int voltage;
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};
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/* Called by charging tasks to update their available charge */
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void charge_manager_update_charge(int supplier,
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int port,
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struct charge_port_info *charge);
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/* Partner port dualrole capabilities */
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enum dualrole_capabilities {
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CAP_UNKNOWN,
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CAP_DUALROLE,
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CAP_DEDICATED,
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};
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/* Called by charging tasks to indicate partner dualrole capability change */
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void charge_manager_update_dualrole(int port, enum dualrole_capabilities cap);
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/* Update charge ceiling for a given port */
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void charge_manager_set_ceil(int port, int ceil);
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/* Select an 'override port', which is always the preferred charge port */
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int charge_manager_set_override(int port);
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int charge_manager_get_override(void);
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/* Returns the current active charge port, as determined by charge manager */
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int charge_manager_get_active_charge_port(void);
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#ifdef CONFIG_USB_PD_LOGGING
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/* Save power state log entry for the given port */
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void charge_manager_save_log(int port);
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#endif
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/* Board-level callback functions */
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/*
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* Set the active charge port. Returns EC_SUCCESS if the charge port is
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* accepted, returns ec_error_list status otherwise.
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*/
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int board_set_active_charge_port(int charge_port);
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/* Set the charge current limit. */
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void board_set_charge_limit(int charge_ma);
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/* Called on delayed override timeout */
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void board_charge_manager_override_timeout(void);
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#endif /* __CHARGE_MANAGER_H */
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