diff options
Diffstat (limited to 'board/servo_v4p1/ioexpanders.c')
| -rw-r--r-- | board/servo_v4p1/ioexpanders.c | 317 |
1 files changed, 0 insertions, 317 deletions
diff --git a/board/servo_v4p1/ioexpanders.c b/board/servo_v4p1/ioexpanders.c deleted file mode 100644 index 7482038879..0000000000 --- a/board/servo_v4p1/ioexpanders.c +++ /dev/null @@ -1,317 +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. - */ - -#include "hooks.h" -#include "i2c.h" -#include "ioexpander.h" -#include "ioexpanders.h" - -#define CPRINTF(format, args...) cprintf(CC_SYSTEM, format, ## args) -#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ## args) - -/****************************************************************************** - * Initialize IOExpanders. - */ - -static enum servo_board_id board_id_val = BOARD_ID_UNSET; - -#ifdef SECTION_IS_RO - -static int dut_chg_en_state; -static int bc12_charger; - -/* Enable all ioexpander outputs. */ -int init_ioexpanders(void) -{ - /* Clear any faults and other IRQs*/ - read_faults(); - read_irqs(); - - /* - * Cache initial value for BC1.2 indicator. This is the only pin, which - * notifies about event on both low and high levels, while notification - * should happen only when state has changed. - */ - ioex_get_level(IOEX_HOST_CHRG_DET, &bc12_charger); - - return EC_SUCCESS; -} - -static void ioexpanders_irq(void) -{ - int fault, irqs; - - fault = read_faults(); - irqs = read_irqs(); - - if (!(fault & USERVO_FAULT_L)) { - ec_uservo_power_en(0); - CPRINTF("FAULT: Microservo USB A port load switch\n"); - } - - if (!(fault & USB3_A0_FAULT_L)) { - ec_usb3_a0_pwr_en(0); - CPRINTF("FAULT: USB3 A0 port load switch\n"); - } - - if (!(fault & USB3_A1_FAULT_L)) { - ec_usb3_a1_pwr_en(0); - CPRINTF("FAULT: USB3 A1 port load switch\n"); - } - - if (!(fault & USB_DUTCHG_FLT_ODL)) { - CPRINTF("FAULT: Overcurrent on Charger or DUT CC/SBU lines\n"); - } - - if (!(fault & PP3300_DP_FAULT_L)) { - CPRINTF("FAULT: Overcurrent on DisplayPort\n"); - } - - if (!(fault & DAC_BUF1_LATCH_FAULT_L)) { - CPRINTF("FAULT: CC1 drive circuitry has exceeded thermal " - "or current limits. The CC1 DAC has been disabled " - "and disconnected.\n"); - - en_vout_buf_cc1(0); - } - - if (!(fault & DAC_BUF2_LATCH_FAULT_L)) { - CPRINTF("FAULT: CC2 drive circuitry has exceeded thermal " - "or current limits. The CC2 DAC has been disabled " - "and disconnected.\n"); - - en_vout_buf_cc2(0); - } - - /* - * In case of both DACs' faults, we should clear them only after - * disabling both DACs. - */ - if ((fault & (DAC_BUF1_LATCH_FAULT_L | DAC_BUF2_LATCH_FAULT_L)) != - (DAC_BUF1_LATCH_FAULT_L | DAC_BUF2_LATCH_FAULT_L)) { - fault_clear_cc(1); - fault_clear_cc(0); - } - - if ((!!(irqs & HOST_CHRG_DET) != bc12_charger) && - (board_id_det() <= BOARD_ID_REV1)) { - CPRINTF("BC1.2 charger %s\n", - (irqs & HOST_CHRG_DET) ? "plugged" : "unplugged"); - bc12_charger = !!(irqs & HOST_CHRG_DET); - } - - if (!(irqs & SYS_PWR_IRQ_ODL)) { - CPRINTF("System full power threshold exceeded\n"); - } -} -DECLARE_DEFERRED(ioexpanders_irq); - -int irq_ioexpanders(void) -{ - hook_call_deferred(&ioexpanders_irq_data, 0); - return 0; -} - -inline int sbu_uart_sel(int en) -{ - return ioex_set_level(IOEX_SBU_UART_SEL, en); -} - -inline int atmel_reset_l(int en) -{ - return ioex_set_level(IOEX_ATMEL_RESET_L, en); -} - -inline int sbu_flip_sel(int en) -{ - return ioex_set_level(IOEX_SBU_FLIP_SEL, en); -} - -inline int usb3_a0_mux_sel(int en) -{ - return ioex_set_level(IOEX_USB3_A0_MUX_SEL, en); -} - -inline int usb3_a0_mux_en_l(int en) -{ - return ioex_set_level(IOEX_USB3_A0_MUX_EN_L, en); -} - -inline int ec_usb3_a0_pwr_en(int en) -{ - return ioex_set_level(IOEX_USB3_A0_PWR_EN, en); -} - -inline int uart_18_sel(int en) -{ - return ioex_set_level(IOEX_UART_18_SEL, en); -} - -inline int ec_uservo_power_en(int en) -{ - return ioex_set_level(IOEX_USERVO_POWER_EN, en); -} - -inline int uservo_fastboot_mux_sel(enum uservo_fastboot_mux_sel_t sel) -{ - return ioex_set_level(IOEX_USERVO_FASTBOOT_MUX_SEL, (int)sel); -} - -inline int ec_usb3_a1_pwr_en(int en) -{ - return ioex_set_level(IOEX_USB3_A1_PWR_EN, en); -} - -inline int usb3_a1_mux_sel(int en) -{ - return ioex_set_level(IOEX_USB3_A1_MUX_SEL, en); -} - -inline int board_id_det(void) -{ - if (board_id_val == BOARD_ID_UNSET) { - int id; - - /* Cache board ID at init */ - if (ioex_get_port(IOEX_GET_INFO(IOEX_BOARD_ID_DET0)->ioex, - IOEX_GET_INFO(IOEX_BOARD_ID_DET0)->port, - &id)) - return id; - - /* Board ID consists of bits 5, 4, and 3 */ - board_id_val = (id >> BOARD_ID_DET_OFFSET) & BOARD_ID_DET_MASK; - } - - return board_id_val; -} - -inline int dongle_det(void) -{ - int val; - ioex_get_level(IOEX_DONGLE_DET, &val); - return val; -} - -inline int get_host_chrg_det(void) -{ - int val; - ioex_get_level(IOEX_HOST_CHRG_DET, &val); - return val; -} - -inline int en_pp5000_alt_3p3(int en) -{ - return ioex_set_level(IOEX_EN_PP5000_ALT_3P3, en); -} - -inline int en_pp3300_eth(int en) -{ - return ioex_set_level(IOEX_EN_PP3300_ETH, en); -} - -inline int en_pp3300_dp(int en) -{ - return ioex_set_level(IOEX_EN_PP3300_DP, en); -} - -inline int fault_clear_cc(int en) -{ - return ioex_set_level(IOEX_FAULT_CLEAR_CC, en); -} - -inline int en_vout_buf_cc1(int en) -{ - return ioex_set_level(IOEX_EN_VOUT_BUF_CC1, en); -} - -inline int en_vout_buf_cc2(int en) -{ - return ioex_set_level(IOEX_EN_VOUT_BUF_CC2, en); -} - -int dut_chg_en(int en) -{ - dut_chg_en_state = en; - return ioex_set_level(IOEX_DUT_CHG_EN, en); -} - -int get_dut_chg_en(void) -{ - return dut_chg_en_state; -} - -inline int host_or_chg_ctl(int en) -{ - return ioex_set_level(IOEX_HOST_OR_CHG_CTL, en); -} - -inline int read_faults(void) -{ - int val; - - ioex_get_port(IOEX_GET_INFO(IOEX_USERVO_FAULT_L)->ioex, - IOEX_GET_INFO(IOEX_USERVO_FAULT_L)->port, - &val); - - return val; -} - -inline int read_irqs(void) -{ - int val; - - ioex_get_port(IOEX_GET_INFO(IOEX_SYS_PWR_IRQ_ODL)->ioex, - IOEX_GET_INFO(IOEX_SYS_PWR_IRQ_ODL)->port, - &val); - - return val; -} - -inline int vbus_dischrg_en(int en) -{ - return ioex_set_level(IOEX_VBUS_DISCHRG_EN, en); -} - -inline int usbh_pwrdn_l(int en) -{ - return ioex_set_level(IOEX_USBH_PWRDN_L, en); -} - -inline int tca_gpio_dbg_led_k_odl(int en) -{ - return ioex_set_level(IOEX_TCA_GPIO_DBG_LED_K_ODL, !en); -} - -#else /* SECTION_IS_RO */ - -/* - * Due to lack of flash in RW section, it is not possible to use IOEX subsystem - * in it. Instead, RO section uses IOEX, and RW implements only required - * function with raw i2c operation. This function is required by 'version' - * console command and should work without any special initialization. - */ -inline int board_id_det(void) -{ - if (board_id_val == BOARD_ID_UNSET) { - int id; - int res; - - /* Cache board ID at init */ - res = i2c_read8(TCA6416A_PORT, - TCA6416A_ADDR, - BOARD_ID_DET_PORT, - &id); - if (res != EC_SUCCESS) - return res; - - /* Board ID consists of bits 5, 4, and 3 */ - board_id_val = (id >> BOARD_ID_DET_OFFSET) & BOARD_ID_DET_MASK; - } - - /* Board ID consists of bits 5, 4, and 3 */ - return board_id_val; -} - -#endif /* SECTION_IS_RO */ |