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ec/google/chromeec: Add new wrappers for host commands

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Add new functions to get (from the EC):
1) The number of USB-PD ports
2) The capabilities of each port (EC_CMD_GET_PD_PORT_CAPS)

BUG=b:146506369
BRANCH=none
TEST=Instrumented calls to these and verified the data

Change-Id: I57edbe1592cd28b005f01679ef8a8b5de3e1f586
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38540
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Tim Wawrzynczak
2020-01-22 15:22:18 -07:00
committed by Patrick Georgi
parent 87afa90731
commit e6078290c5
2 changed files with 86 additions and 3 deletions
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30
src/ec/google/chromeec/ec.h
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@@ -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 */