diff options
| -rw-r--r-- | src/ec/google/chromeec/ec.c | 59 | ||||
| -rw-r--r-- | src/ec/google/chromeec/ec.h | 30 |
2 files changed, 86 insertions, 3 deletions
diff --git a/src/ec/google/chromeec/ec.c b/src/ec/google/chromeec/ec.c index 0b23034101..4bf41ac119 100644 --- a/src/ec/google/chromeec/ec.c +++ b/src/ec/google/chromeec/ec.c @@ -15,16 +15,18 @@ #include <stdint.h> #include <string.h> -#include <cbmem.h> -#include <console/console.h> #include <assert.h> #include <bootmode.h> #include <bootstate.h> +#include <cbmem.h> +#include <console/console.h> #include <delay.h> +#include <device/device.h> +#include <device/path.h> #include <elog.h> #include <rtc.h> -#include <stdlib.h> #include <security/vboot/vboot_common.h> +#include <stdlib.h> #include <timer.h> #include "chip.h" @@ -1419,6 +1421,57 @@ enum ec_current_image google_chromeec_get_current_image(void) return ec_image_type; } +int google_chromeec_get_num_pd_ports(int *num_ports) +{ + struct ec_response_charge_port_count resp = {}; + struct chromeec_command cmd = { + .cmd_code = EC_CMD_CHARGE_PORT_COUNT, + .cmd_version = 0, + .cmd_data_out = &resp, + .cmd_size_in = 0, + .cmd_size_out = sizeof(resp), + .cmd_dev_index = 0, + }; + int rv; + + rv = google_chromeec_command(&cmd); + if (rv) + return rv; + + *num_ports = resp.port_count; + return 0; +} + +int google_chromeec_get_pd_port_caps(int port, + struct usb_pd_port_caps *port_caps) +{ + struct ec_params_get_pd_port_caps params = { + .port = port, + }; + struct ec_response_get_pd_port_caps resp = {}; + struct chromeec_command cmd = { + .cmd_code = EC_CMD_GET_PD_PORT_CAPS, + .cmd_version = 0, + .cmd_data_in = ¶ms, + .cmd_size_in = sizeof(params), + .cmd_data_out = &resp, + .cmd_size_out = sizeof(resp), + .cmd_dev_index = 0, + }; + int rv; + + rv = google_chromeec_command(&cmd); + if (rv) + return rv; + + port_caps->power_role_cap = resp.pd_power_role_cap; + port_caps->try_power_role_cap = resp.pd_try_power_role_cap; + port_caps->data_role_cap = resp.pd_data_role_cap; + port_caps->port_location = resp.pd_port_location; + + return 0; +} + void google_chromeec_init(void) { google_chromeec_log_uptimeinfo(); diff --git a/src/ec/google/chromeec/ec.h b/src/ec/google/chromeec/ec.h index d90d24c767..5ce375e00b 100644 --- a/src/ec/google/chromeec/ec.h +++ b/src/ec/google/chromeec/ec.h @@ -299,4 +299,34 @@ int google_chromeec_get_protocol_info( */ int google_chromeec_get_cmd_versions(int command, uint32_t *pmask); +/** + * Get number of PD-capable USB ports from EC. + * + * @param *num_ports If successful, num_ports is the number + * of PD-capable USB ports according to the EC. + * @return 0 on success, -1 on error + */ +int google_chromeec_get_num_pd_ports(int *num_ports); + +/* Structure representing the capabilities of a USB-PD port */ +struct usb_pd_port_caps { + enum ec_pd_power_role_caps power_role_cap; + enum ec_pd_try_power_role_caps try_power_role_cap; + enum ec_pd_data_role_caps data_role_cap; + enum ec_pd_port_location port_location; +}; + +/** + * Get role-based capabilities for a USB-PD port + * + * @param port Which port to get information about + * @param *power_role_cap The power-role capabillity of the port + * @param *try_power_role_cap The Try-power-role capability of the port + * @param *data_role_cap The data role capability of the port + * @param *port_location Location of the port on the device + * @return 0 on success, -1 on error + */ +int google_chromeec_get_pd_port_caps(int port, + struct usb_pd_port_caps *port_caps); + #endif /* _EC_GOOGLE_CHROMEEC_EC_H */ |