diff options
Diffstat (limited to 'src/ec/google/chromeec/ec.c')
| -rw-r--r-- | src/ec/google/chromeec/ec.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/ec/google/chromeec/ec.c b/src/ec/google/chromeec/ec.c index 5a8e4f6cd3..e27ad9e938 100644 --- a/src/ec/google/chromeec/ec.c +++ b/src/ec/google/chromeec/ec.c @@ -1565,6 +1565,42 @@ int google_chromeec_usb_get_pd_mux_info(int port, uint8_t *flags) return 0; } +/* + * Obtain any USB-C mux data needed for the specified port + * in: physical port number of the type-c port + * out: struct usbc_mux_info mux_info stores USB-C mux data + * Return: 0 on success, -1 on error +*/ +int google_chromeec_get_usbc_mux_info(int port, struct usbc_mux_info *mux_info) +{ + uint8_t mux_flags; + uint8_t dp_pin_mode; + bool ufp, dbg_acc, active_cable; + + if (google_chromeec_usb_get_pd_mux_info(port, &mux_flags) < 0) { + printk(BIOS_ERR, "Port C%d: get_pd_mux_info failed\n", port); + return -1; + } + + if (google_chromeec_usb_pd_get_info(port, &ufp, &dbg_acc, + &active_cable, &dp_pin_mode) < 0) { + printk(BIOS_ERR, "Port C%d: pd_control failed\n", port); + return -1; + } + + mux_info->usb = !!(mux_flags & USB_PD_MUX_USB_ENABLED); + mux_info->dp = !!(mux_flags & USB_PD_MUX_DP_ENABLED); + mux_info->polarity = !!(mux_flags & USB_PD_MUX_POLARITY_INVERTED); + mux_info->hpd_irq = !!(mux_flags & USB_PD_MUX_HPD_IRQ); + mux_info->hpd_lvl = !!(mux_flags & USB_PD_MUX_HPD_LVL); + mux_info->ufp = !!ufp; + mux_info->dbg_acc = !!dbg_acc; + mux_info->cable = !!active_cable; + mux_info->dp_pin_mode = dp_pin_mode; + + return 0; +} + /** * Check if EC/TCPM is in an alternate mode or not. * |