diff options
Diffstat (limited to 'board/brask/usbc_config.c')
| -rw-r--r-- | board/brask/usbc_config.c | 389 |
1 files changed, 0 insertions, 389 deletions
diff --git a/board/brask/usbc_config.c b/board/brask/usbc_config.c deleted file mode 100644 index bd61f7ec1c..0000000000 --- a/board/brask/usbc_config.c +++ /dev/null @@ -1,389 +0,0 @@ -/* Copyright 2021 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 <stdint.h> -#include <stdbool.h> - -#include "common.h" -#include "compile_time_macros.h" -#include "console.h" -#include "driver/bc12/pi3usb9201_public.h" -#include "driver/ppc/syv682x_public.h" -#include "driver/retimer/bb_retimer_public.h" -#include "driver/retimer/kb800x.h" -#include "driver/tcpm/nct38xx.h" -#include "driver/tcpm/rt1715.h" -#include "driver/tcpm/tcpci.h" -#include "ec_commands.h" -#include "gpio.h" -#include "gpio_signal.h" -#include "hooks.h" -#include "ioexpander.h" -#include "system.h" -#include "task.h" -#include "task_id.h" -#include "timer.h" -#include "usbc_config.h" -#include "usbc_ppc.h" -#include "usb_charge.h" -#include "usb_mux.h" -#include "usb_pd.h" -#include "usb_pd_tcpm.h" - -#define CPRINTF(format, args...) cprintf(CC_USBPD, format, ## args) -#define CPRINTS(format, args...) cprints(CC_USBPD, format, ## args) - -/* USBC TCPC configuration */ -const struct tcpc_config_t tcpc_config[] = { - [USBC_PORT_C0] = { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = I2C_PORT_USB_C0_C2_TCPC, - .addr_flags = NCT38XX_I2C_ADDR1_1_FLAGS, - }, - .drv = &nct38xx_tcpm_drv, - .flags = TCPC_FLAGS_TCPCI_REV2_0 | - TCPC_FLAGS_NO_DEBUG_ACC_CONTROL, - }, - [USBC_PORT_C1] = { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = I2C_PORT_USB_C1_TCPC, - .addr_flags = RT1715_I2C_ADDR_FLAGS, - }, - .drv = &rt1715_tcpm_drv, - }, - [USBC_PORT_C2] = { - .bus_type = EC_BUS_TYPE_I2C, - .i2c_info = { - .port = I2C_PORT_USB_C0_C2_TCPC, - .addr_flags = NCT38XX_I2C_ADDR2_1_FLAGS, - }, - .drv = &nct38xx_tcpm_drv, - .flags = TCPC_FLAGS_TCPCI_REV2_0, - }, -}; -BUILD_ASSERT(ARRAY_SIZE(tcpc_config) == USBC_PORT_COUNT); -BUILD_ASSERT(CONFIG_USB_PD_PORT_MAX_COUNT == USBC_PORT_COUNT); - -/* USBC PPC configuration */ -struct ppc_config_t ppc_chips[] = { - [USBC_PORT_C0] = { - .i2c_port = I2C_PORT_USB_C0_C2_PPC, - .i2c_addr_flags = SYV682X_ADDR0_FLAGS, - .drv = &syv682x_drv, - }, - [USBC_PORT_C1] = { - .i2c_port = I2C_PORT_USB_C1_PPC, - .i2c_addr_flags = SYV682X_ADDR0_FLAGS, - .drv = &syv682x_drv, - }, - [USBC_PORT_C2] = { - .i2c_port = I2C_PORT_USB_C0_C2_PPC, - .i2c_addr_flags = SYV682X_ADDR2_FLAGS, - .drv = &syv682x_drv, - }, -}; -BUILD_ASSERT(ARRAY_SIZE(ppc_chips) == USBC_PORT_COUNT); - -unsigned int ppc_cnt = ARRAY_SIZE(ppc_chips); - -/* USBC mux configuration - Alder Lake includes internal mux */ -static const struct usb_mux usbc0_tcss_usb_mux = { - .usb_port = USBC_PORT_C0, - .driver = &virtual_usb_mux_driver, - .hpd_update = &virtual_hpd_update, -}; -static const struct usb_mux usbc1_tcss_usb_mux = { - .usb_port = USBC_PORT_C1, - .driver = &virtual_usb_mux_driver, - .hpd_update = &virtual_hpd_update, -}; -static const struct usb_mux usbc2_tcss_usb_mux = { - .usb_port = USBC_PORT_C2, - .driver = &virtual_usb_mux_driver, - .hpd_update = &virtual_hpd_update, -}; - -const struct usb_mux usb_muxes[] = { - [USBC_PORT_C0] = { - .usb_port = USBC_PORT_C0, - .driver = &bb_usb_retimer, - .hpd_update = bb_retimer_hpd_update, - .i2c_port = I2C_PORT_USB_C0_C2_MUX, - .i2c_addr_flags = USBC_PORT_C0_BB_RETIMER_I2C_ADDR, - .next_mux = &usbc0_tcss_usb_mux, - }, - [USBC_PORT_C1] = { - .usb_port = USBC_PORT_C1, - /* TODO(b/197505149): need to fix the build error and - * clarify how to set the usb_ls_en_gpio and - * retimer_rst_gpio in the same array. - */ - /*.driver = &kb800x_usb_mux_driver, */ - .i2c_port = I2C_PORT_USB_C1_MUX, - .i2c_addr_flags = USBC_PORT_C0_BB_RETIMER_I2C_ADDR, - .next_mux = &usbc1_tcss_usb_mux, - }, - [USBC_PORT_C2] = { - .usb_port = USBC_PORT_C2, - .driver = &bb_usb_retimer, - .hpd_update = bb_retimer_hpd_update, - .i2c_port = I2C_PORT_USB_C0_C2_MUX, - .i2c_addr_flags = USBC_PORT_C2_BB_RETIMER_I2C_ADDR, - .next_mux = &usbc2_tcss_usb_mux, - }, -}; -BUILD_ASSERT(ARRAY_SIZE(usb_muxes) == USBC_PORT_COUNT); - -/* BC1.2 charger detect configuration */ -const struct pi3usb9201_config_t pi3usb9201_bc12_chips[] = { - [USBC_PORT_C0] = { - .i2c_port = I2C_PORT_USB_C0_C2_BC12, - .i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS, - }, - [USBC_PORT_C1] = { - .i2c_port = I2C_PORT_USB_C1_BC12, - .i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS, - }, - [USBC_PORT_C2] = { - .i2c_port = I2C_PORT_USB_C0_C2_BC12, - .i2c_addr_flags = PI3USB9201_I2C_ADDR_1_FLAGS, - }, -}; -BUILD_ASSERT(ARRAY_SIZE(pi3usb9201_bc12_chips) == USBC_PORT_COUNT); - -/* - * USB C0 and C2 uses burnside bridge chips and have their reset - * controlled by their respective TCPC chips acting as GPIO expanders. - * - * ioex_init() is normally called before we take the TCPCs out of - * reset, so we need to start in disabled mode, then explicitly - * call ioex_init(). - */ - -struct ioexpander_config_t ioex_config[] = { - [IOEX_C0_NCT38XX] = { - .i2c_host_port = I2C_PORT_USB_C0_C2_TCPC, - .i2c_addr_flags = NCT38XX_I2C_ADDR1_1_FLAGS, - .drv = &nct38xx_ioexpander_drv, - .flags = IOEX_FLAGS_DISABLED, - }, - [IOEX_C2_NCT38XX] = { - .i2c_host_port = I2C_PORT_USB_C0_C2_TCPC, - .i2c_addr_flags = NCT38XX_I2C_ADDR2_1_FLAGS, - .drv = &nct38xx_ioexpander_drv, - .flags = IOEX_FLAGS_DISABLED, - }, -}; -BUILD_ASSERT(ARRAY_SIZE(ioex_config) == CONFIG_IO_EXPANDER_PORT_COUNT); - -__override int bb_retimer_power_enable(const struct usb_mux *me, bool enable) -{ - enum ioex_signal rst_signal; - - if (me->usb_port == USBC_PORT_C0) { - rst_signal = IOEX_USB_C0_RT_RST_ODL; - } else if (me->usb_port == USBC_PORT_C2) { - rst_signal = IOEX_USB_C2_RT_RST_ODL; - } else { - return EC_ERROR_INVAL; - } - - /* - * We do not have a load switch for the burnside bridge chips, - * so we only need to sequence reset. - */ - - if (enable) { - /* - * Tpw, minimum time from VCC to RESET_N de-assertion is 100us. - * For boards that don't provide a load switch control, the - * retimer_init() function ensures power is up before calling - * this function. - */ - ioex_set_level(rst_signal, 1); - /* - * Allow 1ms time for the retimer to power up lc_domain - * which powers I2C controller within retimer - */ - msleep(1); - } else { - ioex_set_level(rst_signal, 0); - msleep(1); - } - return EC_SUCCESS; -} - -__override int bb_retimer_reset(const struct usb_mux *me) -{ - /* - * TODO(b/193402306, b/195375738): Remove this once transition to - * QS Silicon is complete - */ - bb_retimer_power_enable(me, false); - msleep(5); - bb_retimer_power_enable(me, true); - msleep(25); - - return EC_SUCCESS; -} - -void board_reset_pd_mcu(void) -{ - enum gpio_signal tcpc_rst; - - tcpc_rst = GPIO_USB_C0_C2_TCPC_RST_ODL; - - /* - * TODO(b/179648104): figure out correct timing - */ - - gpio_set_level(tcpc_rst, 0); - gpio_set_level(GPIO_USB_C1_RT_RST_R_ODL, 0); - - /* - * delay for power-on to reset-off and min. assertion time - */ - - msleep(20); - - gpio_set_level(tcpc_rst, 1); - gpio_set_level(GPIO_USB_C1_RT_RST_R_ODL, 1); - - /* wait for chips to come up */ - - msleep(50); -} - -static void enable_ioex(int ioex) -{ - ioex_config[ioex].flags &= ~IOEX_FLAGS_DISABLED; - ioex_init(ioex); -} - -static void board_tcpc_init(void) -{ - /* Don't reset TCPCs after initial reset */ - if (!system_jumped_late()) { - board_reset_pd_mcu(); - - /* - * These IO expander pins are implemented using the - * C0/C2 TCPC, so they must be set up after the TCPC has - * been taken out of reset. - */ - enable_ioex(IOEX_C0_NCT38XX); - enable_ioex(IOEX_C2_NCT38XX); - } - - /* Enable PPC interrupts. */ - gpio_enable_interrupt(GPIO_USB_C0_PPC_INT_ODL); - gpio_enable_interrupt(GPIO_USB_C2_PPC_INT_ODL); - - /* Enable TCPC interrupts. */ - gpio_enable_interrupt(GPIO_USB_C0_C2_TCPC_INT_ODL); - - gpio_enable_interrupt(GPIO_USB_C1_PPC_INT_ODL); - gpio_enable_interrupt(GPIO_USB_C1_TCPC_INT_ODL); -} -DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_CHIPSET); - -uint16_t tcpc_get_alert_status(void) -{ - uint16_t status = 0; - - if (gpio_get_level(GPIO_USB_C0_C2_TCPC_INT_ODL) == 0) - status |= PD_STATUS_TCPC_ALERT_0 | PD_STATUS_TCPC_ALERT_2; - - if (gpio_get_level(GPIO_USB_C1_TCPC_INT_ODL) == 0) - status |= PD_STATUS_TCPC_ALERT_1; - - return status; -} - -int ppc_get_alert_status(int port) -{ - if (port == USBC_PORT_C0) - return gpio_get_level(GPIO_USB_C0_PPC_INT_ODL) == 0; - else if (port == USBC_PORT_C1) - return gpio_get_level(GPIO_USB_C1_PPC_INT_ODL) == 0; - else if (port == USBC_PORT_C2) - return gpio_get_level(GPIO_USB_C2_PPC_INT_ODL) == 0; - return 0; -} - -void tcpc_alert_event(enum gpio_signal signal) -{ - switch (signal) { - case GPIO_USB_C0_C2_TCPC_INT_ODL: - schedule_deferred_pd_interrupt(USBC_PORT_C0); - break; - case GPIO_USB_C1_TCPC_INT_ODL: - schedule_deferred_pd_interrupt(USBC_PORT_C1); - break; - default: - break; - } -} - -void bc12_interrupt(enum gpio_signal signal) -{ - switch (signal) { - case GPIO_USB_C0_BC12_INT_ODL: - task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12); - break; - case GPIO_USB_C1_BC12_INT_ODL: - task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12); - break; - case GPIO_USB_C2_BC12_INT_ODL: - task_set_event(TASK_ID_USB_CHG_P2, USB_CHG_EVENT_BC12); - break; - default: - break; - } -} - -void ppc_interrupt(enum gpio_signal signal) -{ - switch (signal) { - case GPIO_USB_C0_PPC_INT_ODL: - syv682x_interrupt(USBC_PORT_C0); - break; - case GPIO_USB_C1_PPC_INT_ODL: - syv682x_interrupt(USBC_PORT_C1); - break; - case GPIO_USB_C2_PPC_INT_ODL: - syv682x_interrupt(USBC_PORT_C2); - break; - default: - break; - } -} - -void retimer_interrupt(enum gpio_signal signal) -{ - /* - * TODO(b/179513527): add USB-C support - */ -} - -__override bool board_is_dts_port(int port) -{ - return port == USBC_PORT_C0; -} - -__override bool board_is_tbt_usb4_port(int port) -{ - return true; -} - -__override enum tbt_compat_cable_speed board_get_max_tbt_speed(int port) -{ - if (!board_is_tbt_usb4_port(port)) - return TBT_SS_RES_0; - - return TBT_SS_TBT_GEN3; -} |