diff options
Diffstat (limited to 'zephyr/projects/skyrim/usbc_config_guybrush.c')
| -rw-r--r-- | zephyr/projects/skyrim/usbc_config_guybrush.c | 611 |
1 files changed, 0 insertions, 611 deletions
diff --git a/zephyr/projects/skyrim/usbc_config_guybrush.c b/zephyr/projects/skyrim/usbc_config_guybrush.c deleted file mode 100644 index 1d7afcbbb4..0000000000 --- a/zephyr/projects/skyrim/usbc_config_guybrush.c +++ /dev/null @@ -1,611 +0,0 @@ -/* Copyright 2022 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. - */ - -/* Guybrush family-specific USB-C configuration */ - -#include "cros_board_info.h" -#include "battery_fuel_gauge.h" -#include "charge_manager.h" -#include "charge_ramp.h" -#include "charge_state_v2.h" -#include "charge_state.h" -#include "charger.h" -#include "driver/bc12/pi3usb9201.h" -#include "driver/charger/isl9241.h" -#include "driver/ppc/aoz1380.h" -#include "driver/ppc/nx20p348x.h" -#include "driver/retimer/anx7491.h" -#include "driver/retimer/ps8811.h" -#include "driver/retimer/ps8818.h" -#include "driver/tcpm/nct38xx.h" -#include "driver/usb_mux/anx7451.h" -#include "driver/usb_mux/amd_fp6.h" -#include "gpio.h" -#include "gpio/gpio_int.h" -#include "hooks.h" -#include "ioexpander.h" -#include "power.h" -#include "usb_mux.h" -#include "usb_pd_tcpm.h" -#include "usbc_ppc.h" - -#define CPRINTSUSB(format, args...) cprints(CC_USBCHARGE, format, ## args) -#define CPRINTFUSB(format, args...) cprintf(CC_USBCHARGE, format, ## args) - -/* USB-A ports */ -enum usba_port { - USBA_PORT_A0 = 0, - USBA_PORT_A1, - USBA_PORT_COUNT -}; - -/* USB-C ports */ -enum usbc_port { - USBC_PORT_C0 = 0, - USBC_PORT_C1, - USBC_PORT_COUNT -}; -BUILD_ASSERT(USBC_PORT_COUNT == CONFIG_USB_PD_PORT_MAX_COUNT); - -static void reset_nct38xx_port(int port); - -static void usbc_interrupt_init(void) -{ - /* Enable PPC interrupts. */ - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_usb_c0_ppc)); - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_usb_c1_ppc)); - - /* Enable TCPC interrupts. */ - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_usb_c0_tcpc)); - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_usb_c1_tcpc)); - - /* Enable BC 1.2 interrupts */ - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_usb_c0_bc12)); - gpio_enable_dt_interrupt(GPIO_INT_FROM_NODELABEL(int_usb_c1_bc12)); - - /* TODO: Enable SBU fault interrupts (io expander )*/ -} -DECLARE_HOOK(HOOK_INIT, usbc_interrupt_init, HOOK_PRIO_POST_I2C); - -struct ppc_config_t ppc_chips[] = { - [USBC_PORT_C0] = { - /* Device does not talk I2C */ - .drv = &aoz1380_drv - }, - - [USBC_PORT_C1] = { - .i2c_port = I2C_PORT_TCPC1, - .i2c_addr_flags = NX20P3483_ADDR1_FLAGS, - .drv = &nx20p348x_drv - }, -}; -BUILD_ASSERT(ARRAY_SIZE(ppc_chips) == CONFIG_USB_PD_PORT_MAX_COUNT); -unsigned int ppc_cnt = ARRAY_SIZE(ppc_chips); - -/* - * .init is not necessary here because it has nothing - * to do. Primary mux will handle mux state so .get is - * not needed as well. usb_mux.c can handle the situation - * properly. - */ -static int fsusb42umx_set_mux(const struct usb_mux*, mux_state_t, bool *); -struct usb_mux_driver usbc0_sbu_mux_driver = { - .set = fsusb42umx_set_mux, -}; - -/* - * Since FSUSB42UMX is not a i2c device, .i2c_port and - * .i2c_addr_flags are not required here. - */ -struct usb_mux usbc0_sbu_mux = { - .usb_port = USBC_PORT_C0, - .driver = &usbc0_sbu_mux_driver, -}; - -__overridable int board_c1_ps8818_mux_set(const struct usb_mux *me, - mux_state_t mux_state) -{ - CPRINTSUSB("C1: PS8818 mux using default tuning"); - return 0; -} - -struct usb_mux usbc1_ps8818 = { - .usb_port = USBC_PORT_C1, - .i2c_port = I2C_PORT_TCPC1, - .flags = USB_MUX_FLAG_RESETS_IN_G3, - .i2c_addr_flags = PS8818_I2C_ADDR_FLAGS, - .driver = &ps8818_usb_retimer_driver, - .board_set = &board_c1_ps8818_mux_set, -}; - -/* - * ANX7491(A1) and ANX7451(C1) are on the same i2c bus. Both default - * to 0x29 for the USB i2c address. This moves ANX7451(C1) USB i2c - * address to 0x2A. ANX7491(A1) will stay at the default 0x29. - */ -uint16_t board_anx7451_get_usb_i2c_addr(const struct usb_mux *me) -{ - ASSERT(me->usb_port == USBC_PORT_C1); - return 0x2a; -} - -__overridable int board_c1_anx7451_mux_set(const struct usb_mux *me, - mux_state_t mux_state) -{ - CPRINTSUSB("C1: ANX7451 mux using default tuning"); - return 0; -} - -struct usb_mux usbc1_anx7451 = { - .usb_port = USBC_PORT_C1, - .i2c_port = I2C_PORT_TCPC1, - .flags = USB_MUX_FLAG_RESETS_IN_G3, - .i2c_addr_flags = ANX7491_I2C_ADDR3_FLAGS, - .driver = &anx7451_usb_mux_driver, - .board_set = &board_c1_anx7451_mux_set, -}; - -struct usb_mux usb_muxes[] = { - [USBC_PORT_C0] = { - .usb_port = USBC_PORT_C0, - .i2c_port = I2C_PORT_USB_MUX, - .i2c_addr_flags = AMD_FP6_C0_MUX_I2C_ADDR, - .driver = &amd_fp6_usb_mux_driver, - .next_mux = &usbc0_sbu_mux, - }, - [USBC_PORT_C1] = { - .usb_port = USBC_PORT_C1, - .i2c_port = I2C_PORT_USB_MUX, - .i2c_addr_flags = AMD_FP6_C4_MUX_I2C_ADDR, - .driver = &amd_fp6_usb_mux_driver, - /* .next_mux = filled in by setup_mux based on fw_config */ - } -}; -BUILD_ASSERT(ARRAY_SIZE(usb_muxes) == CONFIG_USB_PD_PORT_MAX_COUNT); - -/* - * USB C0 port SBU mux use standalone FSUSB42UMX - * chip and it needs a board specific driver. - * Overall, it will use chained mux framework. - */ -static int fsusb42umx_set_mux(const struct usb_mux *me, mux_state_t mux_state, - bool *ack_required) -{ - /* This driver does not use host command ACKs */ - *ack_required = false; - - if (mux_state & USB_PD_MUX_POLARITY_INVERTED) - ioex_set_level(IOEX_USB_C0_SBU_FLIP, 1); - else - ioex_set_level(IOEX_USB_C0_SBU_FLIP, 0); - - return EC_SUCCESS; -} - -static void setup_mux(void) -{ - /* TODO: Fill in C1 mux based on CBI */ - CPRINTSUSB("C1: Setting ANX7451 mux"); - usb_muxes[USBC_PORT_C1].next_mux = &usbc1_anx7451; -} -DECLARE_HOOK(HOOK_INIT, setup_mux, HOOK_PRIO_INIT_I2C); - -int board_set_active_charge_port(int port) -{ - int is_valid_port = (port >= 0 && - port < CONFIG_USB_PD_PORT_MAX_COUNT); - int i; - int rv; - - if (port == CHARGE_PORT_NONE) { - CPRINTSUSB("Disabling all charger ports"); - - /* Disable all ports. */ - for (i = 0; i < ppc_cnt; i++) { - /* - * If this port had booted in dead battery mode, go - * ahead and reset it so EN_SNK responds properly. - */ - if (nct38xx_get_boot_type(i) == - NCT38XX_BOOT_DEAD_BATTERY) { - reset_nct38xx_port(i); - pd_set_error_recovery(i); - } - - /* - * Do not return early if one fails otherwise we can - * get into a boot loop assertion failure. - */ - if (ppc_vbus_sink_enable(i, 0)) - CPRINTSUSB("Disabling C%d as sink failed.", i); - } - - return EC_SUCCESS; - } else if (!is_valid_port) { - return EC_ERROR_INVAL; - } - - /* - * Check if we can reset any ports in dead battery mode - * - * The NCT3807 may continue to keep EN_SNK low on the dead battery port - * and allow a dangerous level of voltage to pass through to the initial - * charge port (see b/183660105). We must reset the ports if we have - * sufficient battery to do so, which will bring EN_SNK back under - * normal control. - */ - rv = EC_SUCCESS; - for (i = 0; i < board_get_usb_pd_port_count(); i++) { - if (nct38xx_get_boot_type(i) == NCT38XX_BOOT_DEAD_BATTERY) { - CPRINTSUSB("Found dead battery on %d", i); - /* - * If we have battery, get this port reset ASAP. - * This means temporarily rejecting charge manager - * sets to it. - */ - if (pd_is_battery_capable()) { - reset_nct38xx_port(i); - pd_set_error_recovery(i); - - if (port == i) - rv = EC_ERROR_INVAL; - } else if (port != i) { - /* - * If other port is selected and in dead battery - * mode, reset this port. Otherwise, reject - * change because we'll brown out. - */ - if (nct38xx_get_boot_type(port) == - NCT38XX_BOOT_DEAD_BATTERY) { - reset_nct38xx_port(i); - pd_set_error_recovery(i); - } else { - rv = EC_ERROR_INVAL; - } - } - } - } - - if (rv != EC_SUCCESS) - return rv; - - /* Check if the port is sourcing VBUS. */ - if (tcpm_get_src_ctrl(port)) { - CPRINTSUSB("Skip enable C%d", port); - return EC_ERROR_INVAL; - } - - CPRINTSUSB("New charge port: C%d", port); - - /* - * Turn off the other ports' sink path FETs, before enabling the - * requested charge port. - */ - for (i = 0; i < ppc_cnt; i++) { - if (i == port) - continue; - - if (ppc_vbus_sink_enable(i, 0)) - CPRINTSUSB("C%d: sink path disable failed.", i); - } - - /* Enable requested charge port. */ - if (ppc_vbus_sink_enable(port, 1)) { - CPRINTSUSB("C%d: sink path enable failed.", port); - return EC_ERROR_UNKNOWN; - } - - return EC_SUCCESS; -} - -/* - * In the AOZ1380 PPC, there are no programmable features. We use - * the attached NCT3807 to control a GPIO to indicate 1A5 or 3A0 - * current limits. - */ -int board_aoz1380_set_vbus_source_current_limit(int port, - enum tcpc_rp_value rp) -{ - int rv = EC_SUCCESS; - - rv = ioex_set_level(IOEX_USB_C0_PPC_ILIM_3A_EN, - (rp == TYPEC_RP_3A0) ? 1 : 0); - - return rv; -} - -void board_set_charge_limit(int port, int supplier, int charge_ma, - int max_ma, int charge_mv) -{ - charge_set_input_current_limit(MAX(charge_ma, - CONFIG_CHARGER_INPUT_CURRENT), - charge_mv); -} - -/* TODO: sbu_fault_interrupt from io expander */ - -/* Round up 3250 max current to multiple of 128mA for ISL9241 AC prochot. */ -#define GUYBRUSH_AC_PROCHOT_CURRENT_MA 3328 -static void set_ac_prochot(void) -{ - isl9241_set_ac_prochot(CHARGER_SOLO, GUYBRUSH_AC_PROCHOT_CURRENT_MA); -} -DECLARE_HOOK(HOOK_INIT, set_ac_prochot, HOOK_PRIO_DEFAULT); - -void tcpc_alert_event(enum gpio_signal signal) -{ - int port; - - switch (signal) { - case GPIO_USB_C0_TCPC_INT_ODL: - port = 0; - break; - case GPIO_USB_C1_TCPC_INT_ODL: - port = 1; - break; - default: - return; - } - - schedule_deferred_pd_interrupt(port); -} - -static void reset_nct38xx_port(int port) -{ - const struct gpio_dt_spec *reset_gpio_l; - - /* TODO: Save and restore ioex signals */ - if (port == USBC_PORT_C0) - reset_gpio_l = GPIO_DT_FROM_NODELABEL(gpio_usb_c0_tcpc_rst_l); - else if (port == USBC_PORT_C1) - reset_gpio_l = GPIO_DT_FROM_NODELABEL(gpio_usb_c1_tcpc_rst_l); - else - /* Invalid port: do nothing */ - return; - - gpio_pin_set_dt(reset_gpio_l, 0); - msleep(NCT38XX_RESET_HOLD_DELAY_MS); - gpio_pin_set_dt(reset_gpio_l, 1); - nct38xx_reset_notify(port); - if (NCT3807_RESET_POST_DELAY_MS != 0) - msleep(NCT3807_RESET_POST_DELAY_MS); -} - - -void board_reset_pd_mcu(void) -{ - /* Reset TCPC0 */ - reset_nct38xx_port(USBC_PORT_C0); - - /* Reset TCPC1 */ - reset_nct38xx_port(USBC_PORT_C1); -} - -uint16_t tcpc_get_alert_status(void) -{ - uint16_t status = 0; - - /* - * Check which port has the ALERT line set and ignore if that TCPC has - * its reset line active. - */ - if (!gpio_pin_get_dt( - GPIO_DT_FROM_NODELABEL(gpio_usb_c0_tcpc_int_odl))) { - if (gpio_pin_get_dt( - GPIO_DT_FROM_NODELABEL(gpio_usb_c0_tcpc_rst_l)) != 0) - status |= PD_STATUS_TCPC_ALERT_0; - } - - if (!gpio_pin_get_dt( - GPIO_DT_FROM_NODELABEL(gpio_usb_c1_tcpc_int_odl))) { - if (gpio_pin_get_dt( - GPIO_DT_FROM_NODELABEL(gpio_usb_c1_tcpc_rst_l)) != 0) - status |= PD_STATUS_TCPC_ALERT_1; - } - - return status; -} - -void ppc_interrupt(enum gpio_signal signal) -{ - switch (signal) { - case GPIO_USB_C0_PPC_INT_ODL: - aoz1380_interrupt(USBC_PORT_C0); - break; - - case GPIO_USB_C1_PPC_INT_ODL: - nx20p348x_interrupt(USBC_PORT_C1); - break; - - default: - break; - } -} - -void bc12_interrupt(enum gpio_signal signal) -{ - switch (signal) { - case GPIO_USB_C0_BC12_INT_ODL: - usb_charger_task_set_event(0, USB_CHG_EVENT_BC12); - break; - - case GPIO_USB_C1_BC12_INT_ODL: - usb_charger_task_set_event(1, USB_CHG_EVENT_BC12); - break; - - default: - break; - } -} - -/** - * Return if VBUS is sagging too low - * - * For legacy BC1.2 charging with CONFIG_CHARGE_RAMP_SW, ramp up input current - * until voltage drops to 4.5V. Don't go lower than this to be kind to the - * charger (see b/67964166). - */ -#define BC12_MIN_VOLTAGE 4500 -int board_is_vbus_too_low(int port, enum chg_ramp_vbus_state ramp_state) -{ - int voltage = 0; - int rv; - - rv = charger_get_vbus_voltage(port, &voltage); - - if (rv) { - CPRINTSUSB("%s rv=%d", __func__, rv); - return 0; - } - - /* - * b/168569046: The ISL9241 sometimes incorrectly reports 0 for unknown - * reason, causing ramp to stop at 0.5A. Workaround this by ignoring 0. - * This partly defeats the point of ramping, but will still catch - * VBUS below 4.5V and above 0V. - */ - if (voltage == 0) { - CPRINTSUSB("%s vbus=0", __func__); - return 0; - } - - if (voltage < BC12_MIN_VOLTAGE) - CPRINTSUSB("%s vbus=%d", __func__, voltage); - - return voltage < BC12_MIN_VOLTAGE; -} - -#define SAFE_RESET_VBUS_DELAY_MS 900 -#define SAFE_RESET_VBUS_MV 5000 -void board_hibernate(void) -{ - int port; - enum ec_error_list ret; - - /* - * If we are charging, then drop the Vbus level down to 5V to ensure - * that we don't get locked out of the 6.8V OVLO for our PPCs in - * dead-battery mode. This is needed when the TCPC/PPC rails go away. - * (b/79218851, b/143778351, b/147007265) - */ - port = charge_manager_get_active_charge_port(); - if (port != CHARGE_PORT_NONE) { - pd_request_source_voltage(port, SAFE_RESET_VBUS_MV); - - /* Give PD task and PPC chip time to get to 5V */ - msleep(SAFE_RESET_VBUS_DELAY_MS); - } - - /* Try to put our battery fuel gauge into sleep mode */ - ret = battery_sleep_fuel_gauge(); - if ((ret != EC_SUCCESS) && (ret != EC_ERROR_UNIMPLEMENTED)) - cprints(CC_SYSTEM, "Failed to send battery sleep command"); -} - -__overridable enum ec_error_list -board_a1_ps8811_retimer_init(const struct usb_mux *me) -{ - return EC_SUCCESS; -} - -static int baseboard_a1_ps8811_retimer_init(const struct usb_mux *me) -{ - int rv; - int tries = 2; - - do { - int val; - - rv = ps8811_i2c_read(me, PS8811_REG_PAGE1, - PS8811_REG1_USB_BEQ_LEVEL, &val); - } while (rv && --tries); - - if (rv) { - CPRINTSUSB("A1: PS8811 retimer not detected!"); - return rv; - } - CPRINTSUSB("A1: PS8811 retimer detected"); - rv = board_a1_ps8811_retimer_init(me); - if (rv) - CPRINTSUSB("A1: Error during PS8811 setup rv:%d", rv); - return rv; -} - -/* - * PS8811 is just a type-A USB retimer, reusing mux structure for - * convenience. - */ -const struct usb_mux usba1_ps8811 = { - .usb_port = USBA_PORT_A1, - .i2c_port = I2C_PORT_TCPC1, - .i2c_addr_flags = PS8811_I2C_ADDR_FLAGS3, - .board_init = &baseboard_a1_ps8811_retimer_init, -}; - -__overridable enum ec_error_list -board_a1_anx7491_retimer_init(const struct usb_mux *me) -{ - return EC_SUCCESS; -} - -static int baseboard_a1_anx7491_retimer_init(const struct usb_mux *me) -{ - int rv; - int tries = 2; - - do { - int val; - - rv = i2c_read8(me->i2c_port, me->i2c_addr_flags, 0, &val); - } while (rv && --tries); - if (rv) { - CPRINTSUSB("A1: ANX7491 retimer not detected!"); - return rv; - } - CPRINTSUSB("A1: ANX7491 retimer detected"); - rv = board_a1_anx7491_retimer_init(me); - if (rv) - CPRINTSUSB("A1: Error during ANX7491 setup rv:%d", rv); - return rv; -} - -/* - * ANX7491 is just a type-A USB retimer, reusing mux structure for - * convenience. - */ -const struct usb_mux usba1_anx7491 = { - .usb_port = USBA_PORT_A1, - .i2c_port = I2C_PORT_TCPC1, - .i2c_addr_flags = ANX7491_I2C_ADDR0_FLAGS, - .board_init = &baseboard_a1_anx7491_retimer_init, -}; - -void baseboard_a1_retimer_setup(void) -{ - struct usb_mux a1_retimer; - - /* TODO: Support PS8811 retimer through CBI */ - a1_retimer = usba1_anx7491; - a1_retimer.board_init(&a1_retimer); -} -DECLARE_DEFERRED(baseboard_a1_retimer_setup); - -/* TODO: Remove when guybrush is no longer supported */ -#ifdef CONFIG_BOARD_GUYBRUSH -void board_overcurrent_event(int port, int is_overcurrented) -{ - switch (port) { - case USBC_PORT_C0: - case USBC_PORT_C1: - gpio_pin_set_dt( - GPIO_DT_FROM_NODELABEL(gpio_usb_c0_c1_fault_odl), - !is_overcurrented); - break; - - default: - break; - } -} -#endif |