diff options
Diffstat (limited to 'common/usb_pd_tcpc.c')
| -rw-r--r-- | common/usb_pd_tcpc.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/common/usb_pd_tcpc.c b/common/usb_pd_tcpc.c index d7314b1a53..5c42640d5b 100644 --- a/common/usb_pd_tcpc.c +++ b/common/usb_pd_tcpc.c @@ -227,6 +227,9 @@ static struct pd_port_controller { uint8_t rx_enabled; /* TCPC flags */ uint8_t flags; + /* Power status */ + uint8_t power_status; + uint8_t power_status_mask; /* Last received */ int rx_head[RX_BUFFER_SIZE+1]; @@ -958,6 +961,29 @@ int tcpc_set_polarity(int port, int polarity) return EC_SUCCESS; } +#ifdef CONFIG_USB_PD_TCPM_VBUS +static int tcpc_set_power_status(int port, int vbus_present) +{ + /* Update VBUS present bit */ + if (vbus_present) + pd[port].power_status |= TCPC_REG_POWER_VBUS_PRES; + else + pd[port].power_status &= ~TCPC_REG_POWER_VBUS_PRES; + + /* Set bit Port Power Status bit in Alert register */ + if (pd[port].power_status_mask & TCPC_REG_POWER_VBUS_PRES) + alert(port, TCPC_REG_ALERT_POWER_STATUS); + + return EC_SUCCESS; +} +#endif /* CONFIG_USB_PD_TCPM_VBUS */ + +int tcpc_set_power_status_mask(int port, uint8_t mask) +{ + pd[port].power_status_mask = mask; + return EC_SUCCESS; +} + int tcpc_set_vconn(int port, int enable) { #ifdef CONFIG_USBC_VCONN @@ -1011,6 +1037,25 @@ int tcpc_get_message(int port, uint32_t *payload, int *head) return EC_SUCCESS; } + +#ifdef CONFIG_USB_PD_TCPM_VBUS +void pd_vbus_evt_p0(enum gpio_signal signal) +{ + tcpc_set_power_status(TASK_ID_TO_PD_PORT(TASK_ID_PD_C0), + !gpio_get_level(GPIO_USB_C0_VBUS_WAKE_L)); + task_wake(TASK_ID_PD_C0); +} + +#if CONFIG_USB_PD_PORT_COUNT >= 2 +void pd_vbus_evt_p1(enum gpio_signal signal) +{ + tcpc_set_power_status(TASK_ID_TO_PD_PORT(TASK_ID_PD_C1), + !gpio_get_level(GPIO_USB_C1_VBUS_WAKE_L)); + task_wake(TASK_ID_PD_C1); +} +#endif /* PD_PORT_COUNT >= 2 */ +#endif /* CONFIG_USB_PD_TCPM_VBUS */ + #ifndef CONFIG_USB_POWER_DELIVERY static void tcpc_i2c_write(int port, int reg, int len, uint8_t *payload) { @@ -1044,6 +1089,9 @@ static void tcpc_i2c_write(int port, int reg, int len, uint8_t *payload) tcpc_set_rx_enable(port, payload[1] & TCPC_REG_RX_DETECT_SOP_HRST_MASK); break; + case TCPC_REG_POWER_STATUS_MASK: + tcpc_set_power_status_mask(port, payload[1]); + break; case TCPC_REG_TX_HDR: pd[port].tx_head = (payload[2] << 8) | payload[1]; break; @@ -1114,6 +1162,9 @@ static int tcpc_i2c_read(int port, int reg, uint8_t *payload) memcpy(payload, pd[port].rx_payload[pd[port].rx_buf_tail], sizeof(pd[port].rx_payload[pd[port].rx_buf_tail])); return sizeof(pd[port].rx_payload[pd[port].rx_buf_tail]); + case TCPC_REG_POWER_STATUS: + payload[0] = pd[port].power_status; + return 1; case TCPC_REG_TX_BYTE_CNT: payload[0] = PD_HEADER_CNT(pd[port].tx_head); return 1; |