diff options
Diffstat (limited to 'src/ec/google/wilco/commands.c')
| -rw-r--r-- | src/ec/google/wilco/commands.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/ec/google/wilco/commands.c b/src/ec/google/wilco/commands.c index 9ea8936e10..1767a01aee 100644 --- a/src/ec/google/wilco/commands.c +++ b/src/ec/google/wilco/commands.c @@ -50,3 +50,102 @@ void wilco_ec_print_all_info(void) if (!wilco_ec_get_info(GET_EC_BUILD_DATE, info)) printk(BIOS_INFO, "EC Build Date : %s\n", info); } + +static int wilco_ec_get_power_smi(struct ec_pm_event_state *pm) +{ + struct ec_response_power_smi { + uint8_t pm_event_1; + uint8_t pm_state_1; + uint8_t hotkey; + uint8_t pm_state_2; + uint8_t pm_state_3; + uint8_t pm_state_4; + uint8_t pm_state_5; + uint8_t pm_event_2; + uint8_t pm_state_6; + } __packed rsp; + + if (!pm) + return -1; + if (wilco_ec_sendrecv_noargs(KB_POWER_SMI, &rsp, sizeof(rsp)) < 0) + return -1; + + pm->event[0] = rsp.pm_event_1; + pm->event[1] = rsp.pm_event_2; + pm->state[0] = rsp.pm_state_1; + pm->state[1] = rsp.pm_state_2; + pm->state[2] = rsp.pm_state_3; + pm->state[3] = rsp.pm_state_4; + pm->state[4] = rsp.pm_state_5; + pm->state[5] = rsp.pm_state_6; + pm->hotkey = rsp.hotkey; + + return 0; +} + +static int wilco_ec_get_power_status(struct ec_pm_event_state *pm) +{ + struct ec_response_power_status { + uint8_t pm_state_1; + uint8_t pm_state_2; + uint8_t pm_state_3; + uint8_t pm_state_4; + uint8_t pm_state_5; + uint8_t ac_type_lsb; + uint8_t pm_state_6; + uint8_t pm_event_2; + uint8_t ac_type_msb; + } __packed rsp; + + if (!pm) + return -1; + if (wilco_ec_sendrecv_noargs(KB_POWER_STATUS, &rsp, sizeof(rsp)) < 0) + return -1; + + pm->hotkey = 0; + pm->event[0] = 0; + pm->event[1] = rsp.pm_event_2; + pm->state[0] = rsp.pm_state_1; + pm->state[1] = rsp.pm_state_2; + pm->state[2] = rsp.pm_state_3; + pm->state[3] = rsp.pm_state_4; + pm->state[4] = rsp.pm_state_5; + pm->state[5] = rsp.pm_state_6; + pm->ac_type = rsp.ac_type_msb << 8 | rsp.ac_type_lsb; + + return 0; +} + +int wilco_ec_get_pm(struct ec_pm_event_state *pm, bool clear) +{ + if (clear) + return wilco_ec_get_power_smi(pm); + else + return wilco_ec_get_power_status(pm); +} + +int wilco_ec_get_lid_state(void) +{ + struct ec_pm_event_state pm; + + if (wilco_ec_get_power_status(&pm) < 0) + return -1; + + return !!(pm.state[0] & EC_PM1_LID_OPEN); +} + +void wilco_ec_slp_en(void) +{ + /* EC does not respond to this command */ + if (wilco_ec_mailbox(WILCO_EC_MSG_NO_RESPONSE, + KB_SLP_EN, NULL, 0, NULL, 0) < 0) + printk(BIOS_ERR, "%s: command failed\n", __func__); +} + +void wilco_ec_power_off(enum ec_power_off_reason reason) +{ + /* EC does not respond to this command */ + if (wilco_ec_mailbox(WILCO_EC_MSG_NO_RESPONSE, + KB_POWER_OFF, &reason, 1, NULL, 0) < 0) + printk(BIOS_ERR, "%s: command failed\n", __func__); +} |