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Diffstat (limited to 'board/servo_v4p1/ioexpanders.h')
| -rw-r--r-- | board/servo_v4p1/ioexpanders.h | 318 |
1 files changed, 0 insertions, 318 deletions
diff --git a/board/servo_v4p1/ioexpanders.h b/board/servo_v4p1/ioexpanders.h deleted file mode 100644 index 6565992857..0000000000 --- a/board/servo_v4p1/ioexpanders.h +++ /dev/null @@ -1,318 +0,0 @@ -/* Copyright 2020 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#ifndef __CROS_EC_IOEXPANDERS_H -#define __CROS_EC_IOEXPANDERS_H - -#define BOARD_ID_DET_MASK 0x7 -#define BOARD_ID_DET_OFFSET 3 -#define BOARD_ID_DET_PORT 1 - -enum uservo_fastboot_mux_sel_t { - MUX_SEL_USERVO = 0, - MUX_SEL_FASTBOOT = 1 -}; - -/* - * Initialize Ioexpanders - */ -int init_ioexpanders(void); - -/* - * Calls the Ioexpanders Deferred handler for interrupts - * Should be called from the ioexpanders IRQ handler - */ -int irq_ioexpanders(void); - -/** - * SBU Crosspoint select - * - * @param en 0 - HOST SBU to DUT SBU connected - * 1 - STM UART to DUT SBU connected - * @return EC_SUCCESS or EC_xxx on error - */ -int sbu_uart_sel(int en); - -/** - * Host KBC Controller reset - * - * @param en 0 - Assert reset - * 1 - Deassert reset - * @return EC_SUCCESS or EC_xxx on error - */ -int atmel_reset_l(int en); - -/** - * SBU Crosspoint polarity flip for DTU SBU to STM USART/Host SBU - * - * @param en 0 - Retain polarity (no inversion) - * 1 - Swap P for N polarity - * @return EC_SUCCESS or EC_xxx on error - */ -int sbu_flip_sel(int en); - -/** - * USB data path for general USB type A port - * - * @param en 0 - Host hub - * 1 - DUT hub - * @return EC_SUCCESS or EC_xxx on error - */ -int usb3_a0_mux_sel(int en); - -/** - * USB data path enable for general USB type A port, first on J2 - * - * @param en 0 - Data connected / enabled - * 1 - Data disconnected - * @return EC_SUCCESS or EC_xxx on error - */ -int usb3_a0_mux_en_l(int en); - -/** - * Controls load switches for 5V to general USB type A. - * - * @param en 0 - Disable power - * 1 - Enable power - * @return EC_SUCCESS or EC_xxx on error - */ -int ec_usb3_a0_pwr_en(int en); - -/** - * Controls logic to select 1.8V or 3.3V UART from STM to DUT on SBU lines - * - * @param en 0 - 3.3V level - * 1 - 1.8V level - * @return EC_SUCCESS or EC_xxx on error - */ -int uart_18_sel(int en); - -/** - * Controls load switches for 5V to uservo USB type A port - * - * @param en 0 - Disable power - * 1 - Enable power - * @return EC_SUCCESS or EC_xxx on error - */ -int ec_uservo_power_en(int en); - -/** - * USB data path enable from host hub to downstream userv or DUT peripheral - * - * @param sel MUX_SEL_USERVO - hub connected to uservo - * MUX_SEL_FASTBOOT - hub connected to DUT - * @return EC_SUCCESS or EC_xxx on error - */ -int uservo_fastboot_mux_sel(enum uservo_fastboot_mux_sel_t sel); - -/** - * Controls load switches for 5V to general USB type A second port - * - * @param en 0 - power off - * 1 - power enabled - * @return EC_SUCCESS or EC_xxx on error - */ -int ec_usb3_a1_pwr_en(int en); - -/** - * USB data path for general USB type A port, second on J2 - * - * @param en 0 - Host hub - * 1 - DUT hub - * @return EC_SUCCESS or EC_xxx on error - */ -int usb3_a1_mux_sel(int en); - -/** - * Reads the 3-bit Servo V4.1 version ID - * - * @return version ID - */ -int board_id_det(void); - -/** - * Reads the TypeA/TypeC DUT cable assembly pigtail - * - * @return 0 - for TypeA - * 1 - for TypeC - */ -int dongle_det(void); - -/** - * Reads state of BC1.2 on host connection - * - * @return 0 - BC1.2 not present - * 1 - BC1.2 present - */ -int get_host_chrg_det(void); - -/** - * Enable signal for supplemental power supply. This supply will support higher - * wattage servo needs. 10ms after enabling this bit, the server supply should - * switch over from the host supply and the higher wattage will be available - * - * @param en 0 - Alternate supply disabled - * 1 - Supply enabled - * @return EC_SUCCESS or EC_xxx on error - */ -int en_pp5000_alt_3p3(int en); - -/** - * Controls load switches for the RTL8153. By default, ethernet is enabled but - * power can be removed as a way to clear any bad conditions - * - * @param en 0 - disable power - * 1 - enable power - * @return EC_SUCCESS or EC_xxx on error - */ -int en_pp3300_eth(int en); - -/** - * Controls load switches that enables 3.3V supply on the Display Port - * connector. On by default - * - * @param en 0 - disable 3.3V to DP connector - * 1 - enable 3.3V to DP connector - * @return EC_SUCCESS or EC_xxx on error - */ -int en_pp3300_dp(int en); - -/** - * The rising edge of this signal clears the latched condition when thermal - * or overcurrent fault has occurred from both CC1 and CC2 channels. Note - * that if the CC drive circuitry continues to be overheated, it will reset - * the fault regardless of the FAULT_CLEAR_CC signal. - * - * @param en 0 to 1 transition - clear fault - * 1 to 0 transition, 0, or 1 - No change in fault - * @return EC_SUCCESS or EC_xxx on error - */ -int fault_clear_cc(int en); - -/** - * CC1 Drive circuitry enable - * - * @param en 0 - disable CC1 high output drive (normal CC Operation by STM) - * 1 - enable CC1 high drive output - * @return EC_SUCCESS or EC_xxx on error - */ -int en_vout_buf_cc1(int en); - -/** - * CC2 Drive circuitry enable - * - * @param en 0 - disable CC2 high output drive (normal CC Operation by STM) - * 1 - enable CC2 high drive output - * @return EC_SUCCESS or EC_xxx on error - */ -int en_vout_buf_cc2(int en); - -/** - * Controls load switches for servo to power DUT Vusb - * - * @param en 0 - disable power - * 1 - enable power - * @return EC_SUCCESS or EC_xxx on error - */ -int dut_chg_en(int en); - -/** - * Get state of DUT Vusb - * - * @return 0 - power is disabled - * 1 - power is enabled - * @return EC_SUCCESS or EC_xxx on error - */ -int get_dut_chg_en(void); - -/** - * Selects power source for DUT Vusb from servo - * - * @param en 0 - 5V - * 1 - charger Vbus - * @return EC_SUCCESS or EC_xxx on error - */ -int host_or_chg_ctl(int en); - -#define USERVO_FAULT_L BIT(0) -#define USB3_A0_FAULT_L BIT(1) -#define USB3_A1_FAULT_L BIT(2) -#define USB_DUTCHG_FLT_ODL BIT(3) -#define PP3300_DP_FAULT_L BIT(4) -#define DAC_BUF1_LATCH_FAULT_L BIT(5) -#define DAC_BUF2_LATCH_FAULT_L BIT(6) -#define PP5000_SRC_SEL BIT(7) - -/** - * Read any faults that may have occurred. A fault has occurred if the - * corresponding bit is 0. - * - * BIT: - * 0 (USERVO_FAULT_L) - Fault for port microservo USB A load switch - * 1 (USB3_A0_FAULT_L) - Fault for general port USB A load switch - * 2 (USB3_A1_FAULT_L) - Fault for general port USB A load switch - * 3 (USB_DUTCHG_FLT_ODL) - Overcurrent fault on Charger or DUB CC/SBU lines - * 4 (PP3300_DP_FAULT_L) - Overcurrent fault on DisplayPort - * 5 (DAC_BUF1_LATCH_FAULT_L) - Fault to indicate CC drive circuitry has - * exceeded thermal limits or exceeded current - * limits; when faults occur, the driver is - * disabled and needs to be reset. - * 6 (DAC_BUF2_LATCH_FAULT_L) - Fault to indicate CC drive circuitry has - * exceeded thermal limits or exceeded current - * limits; when faults occur, the driver is - * disabled and needs to be reset. - * 7 (PP5000_SRC_SEL) - Used to monitor whether Host power or Servo Charger - * USBC is providing source to PP5000. This may flip - * sources upon fault and should be monitored. - * 0 - USBC Servo charger is source - * 1 - host cable is source - */ -int read_faults(void); - -#define HOST_CHRG_DET BIT(0) -#define SYS_PWR_IRQ_ODL BIT(6) - -/** - * Read irqs which indicate some system event. - * - * BIT - * 0 (HOST_CHRG_DET) - Change of state of BC1.2 on host connection - * 0 - BC1.2 not present - * 1 - BC1.2 present - * 6 (SYS_PWR_IRQ_ODL) - IRQ from system full power INA231 monitor. IRQ can be - * programmed to trip on wattage threshold. - * 0 - IRQ asserted - * 1 - no IRQ - */ -int read_irqs(void); - -/** - * Enables active discharge for USB DUT Charger - * - * @param en 0 - disable active discharge (default) - * 1 - enable active discharge circuitry - * @return EC_SUCCESS or EC_xxx on error - */ -int vbus_dischrg_en(int en); - -/** - * Enables Hub - * - * @param en 0 - place hub in suspend (low power state) - * 1 - enable hub activity (including i2c) - * @return EC_SUCCESS or EC_xxx on error - */ -int usbh_pwrdn_l(int en); - -/** - * Debug LED - * - * @param en 0 - LED is OFF - * 1 - LED is ON - * @return EC_SUCCESS or EC_xxx on error - */ -int tca_gpio_dbg_led_k_odl(int en); - -#endif /* __CROS_EC_IOEXPANDERS_H */ |