diff options
Diffstat (limited to 'zephyr/program/skyrim/skyrim/src/usb_mux_config.c')
| -rw-r--r-- | zephyr/program/skyrim/skyrim/src/usb_mux_config.c | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/zephyr/program/skyrim/skyrim/src/usb_mux_config.c b/zephyr/program/skyrim/skyrim/src/usb_mux_config.c deleted file mode 100644 index 8d409dffdd..0000000000 --- a/zephyr/program/skyrim/skyrim/src/usb_mux_config.c +++ /dev/null @@ -1,142 +0,0 @@ -/* Copyright 2022 The ChromiumOS Authors - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* Skyrim board-specific USB-C mux configuration */ - -#include "console.h" -#include "cros_board_info.h" -#include "cros_cbi.h" -#include "driver/retimer/anx7483_public.h" -#include "hooks.h" -#include "ioexpander.h" -#include "usb_mux.h" -#include "usbc/usb_muxes.h" - -#include <zephyr/drivers/gpio.h> - -#define CPRINTSUSB(format, args...) cprints(CC_USBCHARGE, format, ##args) -#define CPRINTFUSB(format, args...) cprintf(CC_USBCHARGE, format, ##args) - -/* - * USB C0 (general) and C1 (just ANX DB) use IOEX pins to - * indicate flipped polarity to a protection switch. - */ -static int ioex_set_flip(int port, mux_state_t mux_state) -{ - if (port == 0) { - if (mux_state & USB_PD_MUX_POLARITY_INVERTED) - gpio_pin_set_dt( - GPIO_DT_FROM_NODELABEL(ioex_usb_c0_sbu_flip), - 1); - else - gpio_pin_set_dt( - GPIO_DT_FROM_NODELABEL(ioex_usb_c0_sbu_flip), - 0); - } else { - if (mux_state & USB_PD_MUX_POLARITY_INVERTED) - gpio_pin_set_dt( - GPIO_DT_FROM_NODELABEL(ioex_usb_c1_sbu_flip), - 1); - else - gpio_pin_set_dt( - GPIO_DT_FROM_NODELABEL(ioex_usb_c1_sbu_flip), - 0); - } - - return EC_SUCCESS; -} - -int board_anx7483_c0_mux_set(const struct usb_mux *me, mux_state_t mux_state) -{ - /* Set the SBU polarity mux */ - RETURN_ERROR(ioex_set_flip(me->usb_port, mux_state)); - - return anx7483_set_default_tuning(me, mux_state); -} - -int board_anx7483_c1_mux_set(const struct usb_mux *me, mux_state_t mux_state) -{ - bool flipped = mux_state & USB_PD_MUX_POLARITY_INVERTED; - - /* Set the SBU polarity mux */ - RETURN_ERROR(ioex_set_flip(me->usb_port, mux_state)); - - /* Remove flipped from the state for easier compraisons */ - mux_state = mux_state & ~USB_PD_MUX_POLARITY_INVERTED; - - RETURN_ERROR(anx7483_set_default_tuning(me, mux_state)); - - if (mux_state == USB_PD_MUX_USB_ENABLED) { - RETURN_ERROR(anx7483_set_eq(me, ANX7483_PIN_URX1, - ANX7483_EQ_SETTING_12_5DB)); - RETURN_ERROR(anx7483_set_eq(me, ANX7483_PIN_URX2, - ANX7483_EQ_SETTING_12_5DB)); - RETURN_ERROR(anx7483_set_eq(me, ANX7483_PIN_DRX1, - ANX7483_EQ_SETTING_12_5DB)); - RETURN_ERROR(anx7483_set_eq(me, ANX7483_PIN_DRX2, - ANX7483_EQ_SETTING_12_5DB)); - } else if (mux_state == USB_PD_MUX_DP_ENABLED) { - RETURN_ERROR(anx7483_set_eq(me, ANX7483_PIN_URX1, - ANX7483_EQ_SETTING_12_5DB)); - RETURN_ERROR(anx7483_set_eq(me, ANX7483_PIN_URX2, - ANX7483_EQ_SETTING_12_5DB)); - RETURN_ERROR(anx7483_set_eq(me, ANX7483_PIN_UTX1, - ANX7483_EQ_SETTING_12_5DB)); - RETURN_ERROR(anx7483_set_eq(me, ANX7483_PIN_UTX2, - ANX7483_EQ_SETTING_12_5DB)); - } else if (mux_state == USB_PD_MUX_DOCK && !flipped) { - RETURN_ERROR(anx7483_set_eq(me, ANX7483_PIN_URX1, - ANX7483_EQ_SETTING_12_5DB)); - RETURN_ERROR(anx7483_set_eq(me, ANX7483_PIN_URX2, - ANX7483_EQ_SETTING_12_5DB)); - RETURN_ERROR(anx7483_set_eq(me, ANX7483_PIN_DRX1, - ANX7483_EQ_SETTING_12_5DB)); - RETURN_ERROR(anx7483_set_eq(me, ANX7483_PIN_UTX2, - ANX7483_EQ_SETTING_12_5DB)); - } else if (mux_state == USB_PD_MUX_DOCK && flipped) { - RETURN_ERROR(anx7483_set_eq(me, ANX7483_PIN_URX1, - ANX7483_EQ_SETTING_12_5DB)); - RETURN_ERROR(anx7483_set_eq(me, ANX7483_PIN_URX2, - ANX7483_EQ_SETTING_12_5DB)); - RETURN_ERROR(anx7483_set_eq(me, ANX7483_PIN_UTX1, - ANX7483_EQ_SETTING_12_5DB)); - RETURN_ERROR(anx7483_set_eq(me, ANX7483_PIN_DRX2, - ANX7483_EQ_SETTING_12_5DB)); - } - - return EC_SUCCESS; -} - -int board_c1_ps8818_mux_set(const struct usb_mux *me, mux_state_t mux_state) -{ - CPRINTSUSB("C1: PS8818 mux using default tuning"); - - /* Once a DP connection is established, we need to set IN_HPD */ - if (mux_state & USB_PD_MUX_DP_ENABLED) - ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 1); - else - ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 0); - - return 0; -} - -static void setup_mux(void) -{ - uint32_t val; - - if (cros_cbi_get_fw_config(FW_IO_DB, &val) != 0) - CPRINTSUSB("Error finding FW_DB_IO in CBI FW_CONFIG"); - /* Val will have our dts default on error, so continue setup */ - - if (val == FW_IO_DB_PS8811_PS8818) { - CPRINTSUSB("C1: Setting PS8818 mux"); - USB_MUX_ENABLE_ALTERNATIVE(usb_mux_chain_ps8818_port1); - } else if (val == FW_IO_DB_NONE_ANX7483) { - CPRINTSUSB("C1: Setting ANX7483 mux"); - } else { - CPRINTSUSB("Unexpected DB_IO board: %d", val); - } -} -DECLARE_HOOK(HOOK_INIT, setup_mux, HOOK_PRIO_INIT_I2C); |