diff options
Diffstat (limited to 'src/ec/google/chromeec/ec.c')
| -rw-r--r-- | src/ec/google/chromeec/ec.c | 83 |
1 files changed, 82 insertions, 1 deletions
diff --git a/src/ec/google/chromeec/ec.c b/src/ec/google/chromeec/ec.c index de17495ff6..2efc66a77c 100644 --- a/src/ec/google/chromeec/ec.c +++ b/src/ec/google/chromeec/ec.c @@ -24,7 +24,6 @@ #include <elog.h> #include <halt.h> #include <reset.h> -#include <elog.h> #include <rtc.h> #include <stdlib.h> #include <vboot/vboot_common.h> @@ -161,6 +160,88 @@ int google_chromeec_clear_events_b(u32 mask) EC_CMD_HOST_EVENT_CLEAR_B, mask); } +/* Get the current device event mask */ +uint32_t google_chromeec_get_device_enabled_events(void) +{ + struct ec_params_device_event req; + struct ec_response_device_event rsp; + struct chromeec_command cmd; + + req.param = EC_DEVICE_EVENT_PARAM_GET_ENABLED_EVENTS; + cmd.cmd_code = EC_CMD_DEVICE_EVENT; + cmd.cmd_version = 0; + cmd.cmd_data_in = &req; + cmd.cmd_size_in = sizeof(req); + cmd.cmd_data_out = &rsp; + cmd.cmd_size_out = sizeof(rsp); + cmd.cmd_dev_index = 0; + + if (google_chromeec_command(&cmd) == 0) + return rsp.event_mask; + return 0; +} + +/* Set the current device event mask */ +int google_chromeec_set_device_enabled_events(uint32_t mask) +{ + struct ec_params_device_event req; + struct ec_response_device_event rsp; + struct chromeec_command cmd; + + req.event_mask = mask; + req.param = EC_DEVICE_EVENT_PARAM_SET_ENABLED_EVENTS; + cmd.cmd_code = EC_CMD_DEVICE_EVENT; + cmd.cmd_version = 0; + cmd.cmd_data_in = &req; + cmd.cmd_size_in = sizeof(req); + cmd.cmd_data_out = &rsp; + cmd.cmd_size_out = sizeof(rsp); + cmd.cmd_dev_index = 0; + + return google_chromeec_command(&cmd); +} + +/* Read and clear pending device events */ +uint32_t google_chromeec_get_device_current_events(void) +{ + struct ec_params_device_event req; + struct ec_response_device_event rsp; + struct chromeec_command cmd; + + req.param = EC_DEVICE_EVENT_PARAM_GET_CURRENT_EVENTS; + cmd.cmd_code = EC_CMD_DEVICE_EVENT; + cmd.cmd_version = 0; + cmd.cmd_data_in = &req; + cmd.cmd_size_in = sizeof(req); + cmd.cmd_data_out = &rsp; + cmd.cmd_size_out = sizeof(rsp); + cmd.cmd_dev_index = 0; + + if (google_chromeec_command(&cmd) == 0) + return rsp.event_mask; + return 0; +} + +void google_chromeec_log_device_events(uint32_t mask) +{ + uint32_t events; + int i; + + if (!IS_ENABLED(CONFIG_ELOG)) + return; + + if (google_chromeec_check_feature(EC_FEATURE_DEVICE_EVENT) != 1) + return; + + events = google_chromeec_get_device_current_events() & mask; + printk(BIOS_INFO, "EC Device Events: 0x%08x\n", events); + + for (i = 0; i < sizeof(events) * 8; i++) { + if (EC_DEVICE_EVENT_MASK(i) & events) + elog_add_event_byte(ELOG_TYPE_EC_DEVICE_EVENT, i); + } +} + int google_chromeec_check_feature(int feature) { struct chromeec_command cmd; |