diff options
Diffstat (limited to 'driver/tcpm/raa489000.c')
| -rw-r--r-- | driver/tcpm/raa489000.c | 325 |
1 files changed, 0 insertions, 325 deletions
diff --git a/driver/tcpm/raa489000.c b/driver/tcpm/raa489000.c deleted file mode 100644 index c4976bab4e..0000000000 --- a/driver/tcpm/raa489000.c +++ /dev/null @@ -1,325 +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. - * - * Renesas RAA489000 TCPC driver - */ - -#include "charge_manager.h" -#include "charger.h" -#include "common.h" -#include "console.h" -#include "driver/charger/isl923x.h" -#include "i2c.h" -#include "raa489000.h" -#include "tcpm/tcpci.h" -#include "tcpm/tcpm.h" -#include "timer.h" - -#define DEFAULT_R_AC 20 -#define R_AC CONFIG_CHARGER_SENSE_RESISTOR_AC -#define AC_CURRENT_TO_REG(CUR) ((CUR) * R_AC / DEFAULT_R_AC) - -#define CPRINTF(format, args...) cprintf(CC_USBPD, format, ## args) -#define CPRINTS(format, args...) cprints(CC_USBPD, format, ## args) - -static int dev_id[CONFIG_USB_PD_PORT_MAX_COUNT] = { -1 }; - -static int raa489000_enter_low_power_mode(int port) -{ - int rv; - - rv = tcpc_write16(port, RAA489000_PD_PHYSICAL_SETTING1, 0); - if (rv) - CPRINTS("RAA489000(%d): Failed to set PD PHY setting1!", port); - - rv = tcpc_write16(port, RAA489000_TCPC_SETTING1, 0); - if (rv) - CPRINTS("RAA489000(%d): Failed to set TCPC setting1!", port); - - return tcpci_enter_low_power_mode(port); -} - -/* Configure output current in the TCPC because it is controlling Vbus */ -int raa489000_set_output_current(int port, enum tcpc_rp_value rp) -{ - int regval; - int selected_cur = rp == TYPEC_RP_3A0 ? - RAA489000_VBUS_CURRENT_TARGET_3A : - RAA489000_VBUS_CURRENT_TARGET_1_5A; - - regval = AC_CURRENT_TO_REG(selected_cur) + - selected_cur % (DEFAULT_R_AC/R_AC); - - return tcpc_write16(port, RAA489000_VBUS_CURRENT_TARGET, - regval); -} - -int raa489000_init(int port) -{ - int rv; - int regval; - int device_id; - int i2c_port; - struct charge_port_info chg = { 0 }; - int vbus_mv = 0; - - /* Perform unlock sequence */ - rv = tcpc_write16(port, 0xAA, 0xDAA0); - if (rv) - CPRINTS("c%d: failed unlock step1", port); - rv = tcpc_write16(port, 0xAA, 0xACE0); - if (rv) - CPRINTS("c%d: failed unlock step2", port); - rv = tcpc_write16(port, 0xAA, 0x0D0B); - if (rv) - CPRINTS("c%d: failed unlock step3", port); - - device_id = -1; - rv = tcpc_read16(port, TCPC_REG_BCD_DEV, &device_id); - if (rv) - CPRINTS("C%d: Failed to read DEV_ID", port); - CPRINTS("%s(%d): DEVICE_ID=%d", __func__, port, device_id); - dev_id[port] = device_id; - - /* Enable the ADC */ - /* - * TODO(b:147316511) Since this register can be accessed by multiple - * tasks, we should add a mutex when modifying this register. - * - * See(b:178981107,b:178728138) When the battery does not exist, - * we must enable ADC function so that charger_get_vbus_voltage - * can get the correct voltage. - */ - i2c_port = tcpc_config[port].i2c_info.port; - rv = i2c_read16(i2c_port, ISL923X_ADDR_FLAGS, - ISL9238_REG_CONTROL3, ®val); - regval |= RAA489000_ENABLE_ADC; - rv |= i2c_write16(i2c_port, ISL923X_ADDR_FLAGS, - ISL9238_REG_CONTROL3, regval); - if (rv) - CPRINTS("c%d: failed to enable ADCs", port); - - /* Enable Vbus detection */ - rv = tcpc_write(port, TCPC_REG_COMMAND, - TCPC_REG_COMMAND_ENABLE_VBUS_DETECT); - if (rv) - CPRINTS("c%d: failed to enable vbus detect cmd", port); - - - /* - * If VBUS is present, start sinking from it if we haven't already - * chosen a charge port and no battery is connected. This is - * *kinda hacky* doing it here, but we must start sinking VBUS now, - * otherwise the board may die (See b/150702984, b/178728138). This - * works as this part is a combined charger IC and TCPC. - */ - usleep(853); - charger_get_vbus_voltage(port, &vbus_mv); - - /* - * Disable the ADC - * - * See(b:178356507) 9mW is reduced on S0iX power consumption - * by clearing 'Enable ADC' bit. - */ - if (IS_ENABLED(CONFIG_OCPC) && (port != 0)) { - i2c_port = tcpc_config[port].i2c_info.port; - rv = i2c_read16(i2c_port, ISL923X_ADDR_FLAGS, - ISL9238_REG_CONTROL3, ®val); - regval &= ~RAA489000_ENABLE_ADC; - rv |= i2c_write16(i2c_port, ISL923X_ADDR_FLAGS, - ISL9238_REG_CONTROL3, regval); - if (rv) - CPRINTS("c%d: failed to disable ADCs", port); - } - - if ((vbus_mv > 3900) && - charge_manager_get_active_charge_port() == CHARGE_PORT_NONE && - !pd_is_battery_capable()) { - chg.current = 500; - chg.voltage = 5000; - charge_manager_update_charge(CHARGE_SUPPLIER_VBUS, port, &chg); - board_set_active_charge_port(port); - } - - if (device_id > 1) { - /* - * A1 silicon has a DEVICE_ID of 1. For B0 and newer, we need - * allow the TCPC to control VBUS in order to start VBUS ADC - * sampling. This is a requirement to clear the TCPC - * initialization status but in POWER_STATUS. Otherwise, the - * common TCPCI init will fail. (See b/154191301) - */ - rv = tcpc_read16(port, RAA489000_TCPC_SETTING1, ®val); - regval |= RAA489000_TCPC_PWR_CNTRL; - rv = tcpc_write16(port, RAA489000_TCPC_SETTING1, regval); - if (rv) - CPRINTS("C%d: failed to set TCPC power control", port); - } - - /* Note: registers may not be ready until TCPCI init succeeds */ - rv = tcpci_tcpm_init(port); - if (rv) - return rv; - - /* - * Set some vendor defined registers to enable the CC comparators and - * remove the dead battery resistors. This only needs to be done on - * early silicon versions. - */ - if (device_id <= 1) { - rv = tcpc_write16(port, RAA489000_TYPEC_SETTING1, - RAA489000_SETTING1_RDOE | - RAA489000_SETTING1_CC2_CMP3_EN | - RAA489000_SETTING1_CC2_CMP2_EN | - RAA489000_SETTING1_CC2_CMP1_EN | - RAA489000_SETTING1_CC1_CMP3_EN | - RAA489000_SETTING1_CC1_CMP2_EN | - RAA489000_SETTING1_CC1_CMP1_EN | - RAA489000_SETTING1_CC_DB_EN); - if (rv) - CPRINTS("c%d: failed to enable CC comparators", port); - } - - /* Set Rx enable for receiver comparator */ - rv = tcpc_read16(port, RAA489000_PD_PHYSICAL_SETTING1, ®val); - regval |= RAA489000_PD_PHY_SETTING1_RECEIVER_EN | - RAA489000_PD_PHY_SETTING1_SQUELCH_EN | - RAA489000_PD_PHY_SETTING1_TX_LDO11_EN; - rv |= tcpc_write16(port, RAA489000_PD_PHYSICAL_SETTING1, regval); - if (rv) - CPRINTS("c%d: failed to set PD PHY setting1", port); - - /* - * Disable VBUS auto discharge, we'll turn it on later as its needed to - * goodcrc. - */ - rv = tcpc_read(port, TCPC_REG_POWER_CTRL, ®val); - regval &= ~TCPC_REG_POWER_CTRL_AUTO_DISCHARGE_DISCONNECT; - rv |= tcpc_write(port, TCPC_REG_POWER_CTRL, regval); - if (rv) - CPRINTS("c%d: failed to set auto discharge", port); - - if (device_id <= 1) { - /* The vendor says to set this setting. */ - rv = tcpc_write16(port, RAA489000_PD_PHYSICAL_PARAMETER1, - 0x6C07); - if (rv) - CPRINTS("c%d: failed to set PD PHY PARAM1", port); - } - - /* Enable the correct TCPCI interface version */ - rv = tcpc_read16(port, RAA489000_TCPC_SETTING1, ®val); - if (!(tcpc_config[port].flags & TCPC_FLAGS_TCPCI_REV2_0)) - regval |= RAA489000_TCPCV1_0_EN; - else - regval &= ~RAA489000_TCPCV1_0_EN; - - if (device_id <= 1) { - /* Allow the TCPC to control VBUS. */ - regval |= RAA489000_TCPC_PWR_CNTRL; - } - - rv = tcpc_write16(port, RAA489000_TCPC_SETTING1, regval); - if (rv) - CPRINTS("c%d: failed to set TCPCIv1.0 mode", port); - - /* - * Set Vbus OCP UV here, PD tasks will set target current - */ - rv = tcpc_write16(port, RAA489000_VBUS_OCP_UV_THRESHOLD, - RAA489000_OCP_THRESHOLD_VALUE); - if (rv) - CPRINTS("c%d: failed to set OCP threshold", port); - - /* Set Vbus Target Voltage */ - rv = tcpc_write16(port, RAA489000_VBUS_VOLTAGE_TARGET, - RAA489000_VBUS_VOLTAGE_TARGET_5160MV); - if (rv) - CPRINTS("c%d: failed to set Vbus Target Voltage", port); - - return rv; -} - -int raa489000_tcpm_set_cc(int port, int pull) -{ - int rv; - - rv = tcpci_tcpm_set_cc(port, pull); - if (dev_id[port] > 1 || rv) - return rv; - - /* Older silicon needs the TCPM to set RDOE to 1 after setting Rp */ - if (pull == TYPEC_CC_RP) - rv = tcpc_update16(port, RAA489000_TYPEC_SETTING1, - RAA489000_SETTING1_RDOE, MASK_SET); - - return rv; -} - -int raa489000_debug_detach(int port) -{ - int rv; - int power_status; - - /* - * Force RAA489000 to see debug detach by running: - * - * 1. Set POWER_CONTROL. AutoDischargeDisconnect=1 - * 2. Set ROLE_CONTROL=0x0F(OPEN,OPEN) - * 3. Set POWER_CONTROL. AutoDischargeDisconnect=0 - * - * Only if we have sufficient battery or are not sinking. Otherwise, - * we would risk brown-out during the CC open set. - */ - RETURN_ERROR(tcpc_read(port, TCPC_REG_POWER_STATUS, &power_status)); - - if (!pd_is_battery_capable() && - (power_status & TCPC_REG_POWER_STATUS_SINKING_VBUS)) - return EC_SUCCESS; - - tcpci_tcpc_enable_auto_discharge_disconnect(port, 1); - - rv = tcpci_tcpm_set_cc(port, TYPEC_CC_OPEN); - - tcpci_tcpc_enable_auto_discharge_disconnect(port, 0); - - return rv; -} - -/* RAA489000 is a TCPCI compatible port controller */ -const struct tcpm_drv raa489000_tcpm_drv = { - .init = &raa489000_init, - .release = &tcpci_tcpm_release, - .get_cc = &tcpci_tcpm_get_cc, -#ifdef CONFIG_USB_PD_VBUS_DETECT_TCPC - .check_vbus_level = &tcpci_tcpm_check_vbus_level, -#endif - .select_rp_value = &tcpci_tcpm_select_rp_value, - .set_cc = &raa489000_tcpm_set_cc, - .set_polarity = &tcpci_tcpm_set_polarity, -#ifdef CONFIG_USB_PD_DECODE_SOP - .sop_prime_enable = &tcpci_tcpm_sop_prime_enable, -#endif - .set_vconn = &tcpci_tcpm_set_vconn, - .set_msg_header = &tcpci_tcpm_set_msg_header, - .set_rx_enable = &tcpci_tcpm_set_rx_enable, - .get_message_raw = &tcpci_tcpm_get_message_raw, - .transmit = &tcpci_tcpm_transmit, - .tcpc_alert = &tcpci_tcpc_alert, -#ifdef CONFIG_USB_PD_DISCHARGE_TCPC - .tcpc_discharge_vbus = &tcpci_tcpc_discharge_vbus, -#endif -#ifdef CONFIG_USB_PD_DUAL_ROLE_AUTO_TOGGLE - .drp_toggle = &tcpci_tcpc_drp_toggle, -#endif - .get_chip_info = &tcpci_get_chip_info, -#ifdef CONFIG_USB_PD_TCPC_LOW_POWER - .enter_low_power_mode = &raa489000_enter_low_power_mode, -#endif - .set_bist_test_mode = &tcpci_set_bist_test_mode, - .tcpc_enable_auto_discharge_disconnect = - &tcpci_tcpc_enable_auto_discharge_disconnect, - .debug_detach = &raa489000_debug_detach, -}; |