diff options
Diffstat (limited to 'board/servo_v4/board.h')
| -rw-r--r-- | board/servo_v4/board.h | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/board/servo_v4/board.h b/board/servo_v4/board.h index eb5de84dbd..dad2c8642b 100644 --- a/board/servo_v4/board.h +++ b/board/servo_v4/board.h @@ -91,9 +91,9 @@ /* Override PD_ROLE_DEFAULT in usb_pd.h */ #define PD_ROLE_DEFAULT(port) ((port) ? PD_ROLE_SOURCE : PD_ROLE_SINK) -/* 3.0A Standard-current Rp */ -#define PD_SRC_VNC PD_SRC_3_0_VNC_MV -#define PD_SRC_RD_THRESHOLD PD_SRC_DEF_RD_THRESH_MV +/* Variable-current Rp no connect and Ra attach macros */ +#define CC_NC(port, cc, sel) (pd_tcpc_cc_nc(port, cc, sel)) +#define CC_RA(port, cc, sel) (pd_tcpc_cc_ra(port, cc, sel)) /* * TODO(crosbug.com/p/60792): The delay values are currently just place holders @@ -153,5 +153,33 @@ enum adc_channel { ADC_CH_COUNT }; +/** + * Compare cc_voltage to disconnect threshold + * + * This function can be used for boards that support variable Rp settings and + * require a different voltage threshold based on the Rp value attached to a + * given cc line. + * + * @param port USB-C port number + * @param cc_volt voltage measured in mV of the CC line + * @param cc_sel cc1 or cc2 selection + * @return 1 if voltage is >= threshold value for disconnect + */ +int pd_tcpc_cc_nc(int port, int cc_volt, int cc_sel); + +/** + * Compare cc_voltage to Ra threshold + * + * This function can be used for boards that support variable Rp settings and + * require a different voltage threshold based on the Rp value attached to a + * given cc line. + * + * @param port USB-C port number + * @param cc_volt voltage measured in mV of the CC line + * @param cc_sel cc1 or cc2 selection + * @return 1 if voltage is < threshold value for Ra attach + */ +int pd_tcpc_cc_ra(int port, int cc_volt, int cc_sel); + #endif /* !__ASSEMBLER__ */ #endif /* __CROS_EC_BOARD_H */ |