diff options
| author | Vic Yang <victoryang@chromium.org> | 2014-10-20 23:31:28 -0700 |
|---|---|---|
| committer | chrome-internal-fetch <chrome-internal-fetch@google.com> | 2014-10-24 01:37:58 +0000 |
| commit | d1ed75815efe513449c653d28fe7bd3c53a3441d (patch) | |
| tree | 48a256c4154ad8f195ef5447abce6eeb99e3fd42 /common/host_event_commands.c | |
| parent | be2ed33b1976e407d107b20e90441a194f7b5fb7 (diff) | |
| download | chrome-ec-d1ed75815efe513449c653d28fe7bd3c53a3441d.tar.gz | |
MKBP event signalling implementation
This implements a new API for EC modules to define MKBP event sources
and send MKBP event to the AP. Also, a new host command
EC_CMD_GET_NEXT_EVENT is added for the AP to query the pending MKBP
events. Each event type may have custom event data sent along with the
event.
BRANCH=None
BUG=chrome-os-partner:33194
TEST=Enable MKBP event on Ryu. Set a host event from EC console, run
'ectool nextevent', and see MKBP event 0x01 (HOST_EVENT) and the set
host event.
Signed-off-by: Vic Yang <victoryang@chromium.org>
Change-Id: I28a1b7e826bcc102bbe39016c9bb3e37d125664c
Reviewed-on: https://chromium-review.googlesource.com/224905
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Diffstat (limited to 'common/host_event_commands.c')
| -rw-r--r-- | common/host_event_commands.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/common/host_event_commands.c b/common/host_event_commands.c index 7d369b60db..feb1d93552 100644 --- a/common/host_event_commands.c +++ b/common/host_event_commands.c @@ -10,6 +10,7 @@ #include "console.h" #include "host_command.h" #include "lpc.h" +#include "mkbp_event.h" #include "util.h" /* Console output macros */ @@ -51,6 +52,10 @@ void host_set_events(uint32_t mask) #else *(uint32_t *)host_get_memmap(EC_MEMMAP_HOST_EVENTS) = events; #endif + +#ifdef CONFIG_MKBP_EVENT + mkbp_send_event(EC_MKBP_EVENT_HOST_EVENT); +#endif } void host_clear_events(uint32_t mask) @@ -66,7 +71,20 @@ void host_clear_events(uint32_t mask) #else *(uint32_t *)host_get_memmap(EC_MEMMAP_HOST_EVENTS) = events; #endif + +#ifdef CONFIG_MKBP_EVENT + mkbp_send_event(EC_MKBP_EVENT_HOST_EVENT); +#endif +} + +static int host_get_next_event(uint8_t *out) +{ + uint32_t event_out = events; + memcpy(out, &event_out, sizeof(event_out)); + atomic_clear(&events, event_out); + return sizeof(event_out); } +DECLARE_EVENT_SOURCE(EC_MKBP_EVENT_HOST_EVENT, host_get_next_event); /** * Clear one or more host event bits from copy B. |