From 3ae338299e1649ef9a38c45fcde864022c448a9e Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Sat, 16 Jan 2021 14:52:29 -0700 Subject: [PATCH] cros_ec: Show events in human-readable form Add a command to show the current events as a list of names. This is easier to decipher than a bit mask. Signed-off-by: Simon Glass --- cmd/cros_ec.c | 70 +++++++++++++++++++++++++++++++--- drivers/misc/cros_ec_sandbox.c | 12 +++++- test/dm/cros_ec.c | 37 ++++++++++++++++++ 3 files changed, 112 insertions(+), 7 deletions(-) diff --git a/cmd/cros_ec.c b/cmd/cros_ec.c index a222c75c17..eb5053d642 100644 --- a/cmd/cros_ec.c +++ b/cmd/cros_ec.c @@ -197,6 +197,66 @@ static int do_show_switches(struct udevice *dev) return 0; } +static const char *const event_name[] = { + "lid_closed", + "lid_open", + "power_button", + "ac_connected", + "ac_disconnected", + "battery_low", + "battery_critical", + "battery", + "thermal_threshold", + "device", + "thermal", + "usb_charger", + "key_pressed", + "interface_ready", + "keyboard_recovery", + "thermal_shutdown", + "battery_shutdown", + "throttle_start", + "throttle_stop", + "hang_detect", + "hang_reboot", + "pd_mcu", + "battery_status", + "panic", + "keyboard_fastboot", + "rtc", + "mkbp", + "usb_mux", + "mode_change", + "keyboard_recovery_hw_reinit", + "extended", + "invalid", +}; + +static int do_show_events(struct udevice *dev) +{ + u32 events; + int ret; + uint i; + + ret = cros_ec_get_host_events(dev, &events); + if (ret) + return ret; + printf("%08x\n", events); + for (i = 0; i < ARRAY_SIZE(event_name); i++) { + enum host_event_code code = i + 1; + u64 mask = EC_HOST_EVENT_MASK(code); + + if (events & mask) { + if (event_name[i]) + printf("%s\n", event_name[i]); + else + printf("unknown code %#x\n", code); + } + } + + return 0; +} + static int do_cros_ec(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { @@ -303,13 +363,10 @@ static int do_cros_ec(struct cmd_tbl *cmdtp, int flag, int argc, return 1; } } else if (0 == strcmp("events", cmd)) { - uint32_t events; + ret = do_show_events(dev); - if (cros_ec_get_host_events(dev, &events)) { - debug("%s: Could not read host events\n", __func__); - return 1; - } - printf("0x%08x\n", events); + if (ret) + printf("Error: %d\n", ret); } else if (0 == strcmp("clrevents", cmd)) { uint32_t events = 0x7fffffff; @@ -498,6 +555,7 @@ U_BOOT_CMD( "crosec hash Read CROS-EC hash\n" "crosec reboot [rw | ro | cold] Reboot CROS-EC\n" "crosec events Read CROS-EC host events\n" + "crosec eventsb Read CROS-EC host events_b\n" "crosec clrevents [mask] Clear CROS-EC host events\n" "crosec regioninfo Read image info\n" "crosec flashinfo Read flash info\n" diff --git a/drivers/misc/cros_ec_sandbox.c b/drivers/misc/cros_ec_sandbox.c index 38a2614a99..845876cfb0 100644 --- a/drivers/misc/cros_ec_sandbox.c +++ b/drivers/misc/cros_ec_sandbox.c @@ -364,10 +364,20 @@ static int process_cmd(struct ec_state *ec, resp->mask |= EC_HOST_EVENT_MASK( EC_HOST_EVENT_KEYBOARD_RECOVERY); } - + if (ec->test_flags & CROSECT_LID_OPEN) + resp->mask |= + EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_OPEN); len = sizeof(*resp); break; } + case EC_CMD_HOST_EVENT_CLEAR_B: { + const struct ec_params_host_event_mask *req = req_data; + + if (req->mask & EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_OPEN)) + ec->test_flags &= ~CROSECT_LID_OPEN; + len = 0; + break; + } case EC_CMD_VBOOT_HASH: { const struct ec_params_vboot_hash *req = req_data; struct ec_response_vboot_hash *resp = resp_data; diff --git a/test/dm/cros_ec.c b/test/dm/cros_ec.c index 43774400a1..0da7548fd2 100644 --- a/test/dm/cros_ec.c +++ b/test/dm/cros_ec.c @@ -101,3 +101,40 @@ static int dm_test_cros_ec_switches(struct unit_test_state *uts) return 0; } DM_TEST(dm_test_cros_ec_switches, UT_TESTF_SCAN_FDT); + +static int dm_test_cros_ec_events(struct unit_test_state *uts) +{ + struct udevice *dev; + u32 events; + + ut_assertok(uclass_first_device_err(UCLASS_CROS_EC, &dev)); + ut_assertok(cros_ec_get_host_events(dev, &events)); + ut_asserteq(0, events); + + /* try the command */ + console_record_reset(); + ut_assertok(run_command("crosec events", 0)); + ut_assert_nextline("00000000"); + ut_assert_console_end(); + + /* Open the lid and check the event appears */ + sandbox_cros_ec_set_test_flags(dev, CROSECT_LID_OPEN); + ut_assertok(cros_ec_get_host_events(dev, &events)); + ut_asserteq(EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_OPEN), events); + + /* try the command */ + console_record_reset(); + ut_assertok(run_command("crosec events", 0)); + ut_assert_nextline("00000002"); + ut_assert_nextline("lid_open"); + ut_assert_console_end(); + + /* Clear the event */ + ut_assertok(cros_ec_clear_host_events(dev, + EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_OPEN))); + ut_assertok(cros_ec_get_host_events(dev, &events)); + ut_asserteq(0, events); + + return 0; +} +DM_TEST(dm_test_cros_ec_events, UT_TESTF_SCAN_FDT);