diff options
| -rw-r--r-- | common/mkbp_event.c | 12 | ||||
| -rw-r--r-- | include/mkbp_event.h | 30 |
2 files changed, 34 insertions, 8 deletions
diff --git a/common/mkbp_event.c b/common/mkbp_event.c index 08e88f287e..9d643d6f46 100644 --- a/common/mkbp_event.c +++ b/common/mkbp_event.c @@ -34,24 +34,24 @@ static int event_is_set(uint8_t event_type) } #ifndef CONFIG_MKBP_USE_HOST_EVENT -void send_mkbp_event_gpio(int active) +void mkbp_set_host_active_via_gpio(int active) { gpio_set_level(GPIO_EC_INT_L, !active); } #endif -void send_mkbp_event_host(int active) +void mkbp_set_host_active_via_event(int active) { if (active) host_set_single_event(EC_HOST_EVENT_MKBP); } -__attribute__((weak)) void send_mkbp_event(int active) +__attribute__((weak)) void mkbp_set_host_active(int active) { #ifdef CONFIG_MKBP_USE_HOST_EVENT - send_mkbp_event_host(active); + mkbp_set_host_active_via_event(active); #else - send_mkbp_event_gpio(active); + mkbp_set_host_active_via_gpio(active); #endif } @@ -67,7 +67,7 @@ static void set_host_interrupt(int active) if (old_active == 0 && active == 1) mkbp_last_event_time = __hw_clock_source_read(); - send_mkbp_event(active); + mkbp_set_host_active(active); old_active = active; interrupt_enable(); diff --git a/include/mkbp_event.h b/include/mkbp_event.h index 3639ffb326..61eb2c9052 100644 --- a/include/mkbp_event.h +++ b/include/mkbp_event.h @@ -28,8 +28,34 @@ extern uint32_t mkbp_last_event_time; */ int mkbp_send_event(uint8_t event_type); -void send_mkbp_event_gpio(int active); -void send_mkbp_event_host(int active); +/* + * Set MKBP active event status on the AP. + * + * This communicates to the AP whether an MKBP event is currently available + * for processing. It is used by mkbp_send_event(). + * + * The default implementation in mkbp_event.c has weak linkage and can be + * overridden by individual boards depending on their hardware configuration. + * + * @param active 1 if there is an event, 0 otherwise + */ +void mkbp_set_host_active(int active); + +/* + * Communicate an MKBP event to the host via a dedicated GPIO pin. + * + * This can be used if the board schematic has a pin reserved for this purpose. + */ +void mkbp_set_host_active_via_gpio(int active); + +/* + * Communicate an MKBP event to the AP via EC_HOST_EVENT. + * + * This can be used without a dedicated interrupt pin configured. It is the + * default behavior of mkbp_set_host_active when CONFIG_MKBP_USE_HOST_EVENT + * is defined in board.h. + */ +void mkbp_set_host_active_via_event(int active); /* * The struct to store the event source definition. The get_data routine is |