diff options
Diffstat (limited to 'common/usb_pd_protocol.c')
| -rw-r--r-- | common/usb_pd_protocol.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/common/usb_pd_protocol.c b/common/usb_pd_protocol.c index 011d033747..76d08be20f 100644 --- a/common/usb_pd_protocol.c +++ b/common/usb_pd_protocol.c @@ -1726,6 +1726,11 @@ void pd_task(void) /* Initialize physical layer */ pd_hw_init(port); +#ifdef CONFIG_USB_PD_ALT_MODE_DFP + /* Initialize PD Policy engine */ + pd_dfp_pe_init(port); +#endif + while (1) { /* process VDM messages last */ pd_vdm_send_state_machine(port); @@ -3371,4 +3376,36 @@ DECLARE_HOST_COMMAND(EC_CMD_USB_PD_DEV_INFO, hc_remote_pd_dev_info, EC_VER_MASK(0)); +#ifdef CONFIG_USB_PD_ALT_MODE_DFP +static int hc_remote_pd_set_amode(struct host_cmd_handler_args *args) +{ + const struct ec_params_usb_pd_set_mode_request *p = args->params; + + if (p->port >= PD_PORT_COUNT) + return EC_RES_INVALID_PARAM; + + /* if in a mode exit it */ + /* TODO(crosbug.com/p/33946): allow entry of multiple modes */ + if (pd_alt_mode(p->port)) { + uint32_t vdo = pd_dfp_exit_mode(p->port); + if (vdo) { + queue_vdm(p->port, &vdo, NULL, 0); + task_wake(PORT_TO_TASK_ID(p->port)); + /* Wait until exit VDM is done */ + while (pd[p->port].vdm_state > 0) + task_wait_event(PD_T_VDM_E_MODE); + } + } + + /* now try to enter new one. */ + pd_send_vdm(p->port, p->svid, + CMD_ENTER_MODE | VDO_OPOS(p->opos), NULL, 0); + + return EC_RES_SUCCESS; +} +DECLARE_HOST_COMMAND(EC_CMD_USB_PD_SET_AMODE, + hc_remote_pd_set_amode, + EC_VER_MASK(0)); +#endif /* CONFIG_USB_PD_ALT_MODE_DFP */ + #endif /* CONFIG_COMMON_RUNTIME */ |