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Diffstat (limited to 'board/plankton/board.c')
| -rw-r--r-- | board/plankton/board.c | 798 |
1 files changed, 0 insertions, 798 deletions
diff --git a/board/plankton/board.c b/board/plankton/board.c deleted file mode 100644 index a361f5fff3..0000000000 --- a/board/plankton/board.c +++ /dev/null @@ -1,798 +0,0 @@ -/* Copyright 2014 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. - */ -/* Plankton board configuration */ - -#include "adc.h" -#include "common.h" -#include "console.h" -#include "gpio.h" -#include "hooks.h" -#include "i2c.h" -#include "ina2xx.h" -#include "pca9534.h" -#include "registers.h" -#include "system.h" -#include "task.h" -#include "timer.h" -#include "usb_pd.h" -#include "util.h" - -void button_event(enum gpio_signal signal); -void hpd_event(enum gpio_signal signal); -void vbus_event(enum gpio_signal signal); -#include "gpio_list.h" - -static volatile uint64_t hpd_prev_ts; -static volatile int hpd_prev_level; -static volatile int hpd_possible_irq; - -/* Detect the type of cable used (either single CC or double) */ -enum typec_cable { - TYPEC_CABLE_NONE, - TYPEC_CABLE_CHECK, - TYPEC_CABLE_SINGLE_CC, - TYPEC_CABLE_DOUBLE_CC -}; -static enum typec_cable cable; - -static int active_cc; -static int host_mode; -static int drp_enable; - -static int sn75dp130_dpcd_init(void); - -/** - * Hotplug detect deferred task - * - * Called after level change on hpd GPIO to evaluate (and debounce) what event - * has occurred. There are 3 events that occur on HPD: - * 1. low : downstream display sink is deattached - * 2. high : downstream display sink is attached - * 3. irq : downstream display sink signalling an interrupt. - * - * The debounce times for these various events are: - * HPD_USTREAM_DEBOUNCE_LVL : min pulse width of level value. - * HPD_USTREAM_DEBOUNCE_IRQ : min pulse width of IRQ low pulse. - * - * lvl(n-2) lvl(n-1) lvl prev_delta now_delta event - * ---------------------------------------------------- - * 1 0 1 <IRQ n/a low glitch (ignore) - * 1 0 1 >IRQ <LVL irq - * x 0 1 n/a >LVL high - * 0 1 0 <LVL n/a high glitch (ignore) - * x 1 0 n/a >LVL low - */ - -void hpd_lvl_deferred(void) -{ - int level = gpio_get_level(GPIO_DPSRC_HPD); - int dp_mode = !gpio_get_level(GPIO_USBC_SS_USB_MODE); - - if (level != hpd_prev_level) { - /* Stable level changed. Send HPD event */ - hpd_prev_level = level; - if (dp_mode) - pd_send_hpd(0, level ? hpd_high : hpd_low); - /* Configure redriver's back side */ - if (level) - sn75dp130_dpcd_init(); - - } - - /* Send queued IRQ if the cable is attached */ - if (hpd_possible_irq && level && dp_mode) - pd_send_hpd(0, hpd_irq); - hpd_possible_irq = 0; - -} -DECLARE_DEFERRED(hpd_lvl_deferred); - -void hpd_event(enum gpio_signal signal) -{ - timestamp_t now = get_time(); - int level = gpio_get_level(signal); - uint64_t cur_delta = now.val - hpd_prev_ts; - - /* Record low pulse */ - if (cur_delta >= HPD_USTREAM_DEBOUNCE_IRQ && level) - hpd_possible_irq = 1; - - /* store current time */ - hpd_prev_ts = now.val; - - /* All previous hpd level events need to be re-triggered */ - hook_call_deferred(&hpd_lvl_deferred_data, - HPD_USTREAM_DEBOUNCE_LVL); -} - -/* Debounce time for voltage buttons */ -#define BUTTON_DEBOUNCE_US (100 * MSEC) - -static enum gpio_signal button_pressed; - -static int fake_pd_disconnected; -static int fake_pd_host_mode; -static int fake_pd_disconnect_duration_us; - -enum usbc_action { - USBC_ACT_5V_TO_DUT, - USBC_ACT_12V_TO_DUT, - USBC_ACT_20V_TO_DUT, - USBC_ACT_DEVICE, - USBC_ACT_USBDP_TOGGLE, - USBC_ACT_USB_EN, - USBC_ACT_DP_EN, - USBC_ACT_MUX_FLIP, - USBC_ACT_CABLE_POLARITY0, - USBC_ACT_CABLE_POLARITY1, - USBC_ACT_CCD_EN, - USBC_ACT_DRP_TOGGLE, - - /* Number of USBC actions */ - USBC_ACT_COUNT -}; - -enum board_src_cap src_cap_mapping[USBC_ACT_COUNT] = -{ - [USBC_ACT_5V_TO_DUT] = SRC_CAP_5V, - [USBC_ACT_12V_TO_DUT] = SRC_CAP_12V, - [USBC_ACT_20V_TO_DUT] = SRC_CAP_20V, -}; - -/** - * Set the active CC line. The non-active CC line will be left in - * High-Z, and we will fake the ADC reading for it. - */ -static void set_active_cc(int cc) -{ - active_cc = cc; - - /* - * If DRP mode is enabled, then set both CC lines based - * on the current value of host_mode. If DRP mode is - * disabled then only set the active CC line. - */ - /* Pull-up on CC2 */ - gpio_set_flags(GPIO_USBC_CC2_HOST, - ((cc || drp_enable) && host_mode) ? - GPIO_OUT_HIGH : GPIO_INPUT); - /* Pull-down on CC2 */ - gpio_set_flags(GPIO_USBC_CC2_DEVICE_ODL, - ((cc || drp_enable) && !host_mode) ? - GPIO_OUT_LOW : GPIO_INPUT); - /* Pull-up on CC1 */ - gpio_set_flags(GPIO_USBC_CC1_HOST, - ((!cc || drp_enable) && host_mode) ? - GPIO_OUT_HIGH : GPIO_INPUT); - /* Pull-down on CC1 */ - gpio_set_flags(GPIO_USBC_CC1_DEVICE_ODL, - ((!cc || drp_enable) && !host_mode) ? - GPIO_OUT_LOW : GPIO_INPUT); -} - -/** - * Detect type-C cable type. Toggle the active CC line until a type-C connection - * is detected. If a type-C connection can be made in both polarities, then we - * have a double CC cable, otherwise we have a single CC cable. - */ -static void detect_cc_cable(void); -DECLARE_DEFERRED(detect_cc_cable); - -static void detect_cc_cable(void) -{ - /* - * Delay long enough to guarantee a type-C disconnect will be seen and - * a new connection will be made made. - */ - hook_call_deferred(&detect_cc_cable_data, - PD_T_CC_DEBOUNCE + PD_T_SAFE_0V); - - switch (cable) { - case TYPEC_CABLE_NONE: - /* When no cable attached, toggle active CC line */ - if (pd_is_connected(0)) - cable = TYPEC_CABLE_CHECK; - set_active_cc(!active_cc); - break; - case TYPEC_CABLE_CHECK: - /* If we still have a connection, we have a double CC cable */ - cable = pd_is_connected(0) ? TYPEC_CABLE_DOUBLE_CC : - TYPEC_CABLE_SINGLE_CC; - /* Flip back to original polarity and enable PD comms */ - set_active_cc(!active_cc); - pd_comm_enable(0, 1); - break; - case TYPEC_CABLE_SINGLE_CC: - case TYPEC_CABLE_DOUBLE_CC: - /* Check for disconnection and disable PD comms */ - if (!pd_is_connected(0)) { - cable = TYPEC_CABLE_NONE; - pd_comm_enable(0, 0); - } - break; - } -} - -static void fake_disconnect_end(void) -{ - fake_pd_disconnected = 0; - board_pd_set_host_mode(fake_pd_host_mode); - - /* Restart CC cable detection */ - hook_call_deferred(&detect_cc_cable_data, 500*MSEC); -} -DECLARE_DEFERRED(fake_disconnect_end); - -static void fake_disconnect_start(void) -{ - /* Cancel detection of CC cable */ - hook_call_deferred(&detect_cc_cable_data, -1); - - /* Record the current host mode */ - fake_pd_host_mode = !gpio_get_level(GPIO_USBC_CHARGE_EN); - /* Disable VBUS */ - gpio_set_level(GPIO_VBUS_CHARGER_EN, 0); - gpio_set_level(GPIO_USBC_VSEL_0, 0); - gpio_set_level(GPIO_USBC_VSEL_1, 0); - /* High Z for no pull-up or pull-down resistor on CC1 and CC2 */ - gpio_set_flags(GPIO_USBC_CC2_HOST, GPIO_INPUT); - gpio_set_flags(GPIO_USBC_CC2_DEVICE_ODL, GPIO_INPUT); - gpio_set_flags(GPIO_USBC_CC1_HOST, GPIO_INPUT); - gpio_set_flags(GPIO_USBC_CC1_DEVICE_ODL, GPIO_INPUT); - - fake_pd_disconnected = 1; - - hook_call_deferred(&fake_disconnect_end_data, - fake_pd_disconnect_duration_us); -} -DECLARE_DEFERRED(fake_disconnect_start); - -/** - * Enable or disable dualrole mode operation. By default Plankton has - * dualrole mode disabled and attempts to connect in a sink role. Console - * commands/button presses can cause it to switch to source_only/sink_only - * modes. - */ -static void update_usbc_dual_role(int dual_role) -{ - if (dual_role == PD_DRP_TOGGLE_ON) { - drp_enable = 1; - /* - * Cable detect is not needed when operating in dualrole mode - * since both CC lines are used and SRC/SNK changes are dictated - * by the USB PD protocol state machine. - */ - hook_call_deferred(&detect_cc_cable_data, -1); - /* Need to make sure both CC lines are set for SNK or SRC. */ - set_active_cc(host_mode); - /* Ensure that PD communication is enabled. */ - pd_comm_enable(0, 1); - } else { - drp_enable = 0; - /* - * Dualrole mode is not active, resume cable detect function - * which controls which CC line is active. - */ - hook_call_deferred(&detect_cc_cable_data, 0); - } - /* Update dual role setting used in USB PD protocol state machine */ - pd_set_dual_role(0, dual_role); - cprintf(CC_USBPD, "DRP = %d, host_mode = %d\n", drp_enable, host_mode); -} - -static void set_usbc_action(enum usbc_action act) -{ - int need_soft_reset; - int was_usb_mode; - - switch (act) { - case USBC_ACT_5V_TO_DUT: - case USBC_ACT_12V_TO_DUT: - case USBC_ACT_20V_TO_DUT: - need_soft_reset = gpio_get_level(GPIO_VBUS_CHARGER_EN); - board_set_source_cap(src_cap_mapping[act]); - update_usbc_dual_role(PD_DRP_FORCE_SOURCE); - if (need_soft_reset) - pd_soft_reset(); - break; - case USBC_ACT_DEVICE: - update_usbc_dual_role(PD_DRP_FORCE_SINK); - break; - case USBC_ACT_USBDP_TOGGLE: - was_usb_mode = gpio_get_level(GPIO_USBC_SS_USB_MODE); - gpio_set_level(GPIO_USBC_SS_USB_MODE, !was_usb_mode); - gpio_set_level(GPIO_CASE_CLOSE_EN, !was_usb_mode); - if (!gpio_get_level(GPIO_DPSRC_HPD)) - break; - /* - * DP cable is connected. Send HPD event according to USB/DP - * mux state. - */ - if (!was_usb_mode) { - pd_send_hpd(0, hpd_low); - } else { - pd_send_hpd(0, hpd_high); - pd_send_hpd(0, hpd_irq); - } - break; - case USBC_ACT_USB_EN: - gpio_set_level(GPIO_USBC_SS_USB_MODE, 1); - break; - case USBC_ACT_DP_EN: - gpio_set_level(GPIO_USBC_SS_USB_MODE, 0); - break; - case USBC_ACT_MUX_FLIP: - /* - * For a single CC cable, send custom VDM to flip - * USB polarity only. For double CC cable, actually - * disconnect and reconnect with opposite polarity. - */ - if (cable == TYPEC_CABLE_SINGLE_CC) { - pd_send_vdm(0, USB_VID_GOOGLE, VDO_CMD_FLIP, NULL, 0); - gpio_set_level(GPIO_USBC_POLARITY, - !gpio_get_level(GPIO_USBC_POLARITY)); - } else if (cable == TYPEC_CABLE_DOUBLE_CC) { - /* - * Fake a disconnection for long enough to guarantee - * that we disconnect. - */ - hook_call_deferred(&fake_disconnect_start_data, -1); - hook_call_deferred(&fake_disconnect_end_data, -1); - fake_pd_disconnect_duration_us = PD_T_SAFE_0V; - hook_call_deferred(&fake_disconnect_start_data, 0); - set_active_cc(!active_cc); - } - break; - case USBC_ACT_CABLE_POLARITY0: - gpio_set_level(GPIO_USBC_POLARITY, 0); - break; - case USBC_ACT_CABLE_POLARITY1: - gpio_set_level(GPIO_USBC_POLARITY, 1); - break; - case USBC_ACT_CCD_EN: - pd_send_vdm(0, USB_VID_GOOGLE, VDO_CMD_CCD_EN, NULL, 0); - /* Switch to USB mode when enable CCD. */ - gpio_set_level(GPIO_USBC_SS_USB_MODE, 1); - /* Reset RFU polarity MUX */ - gpio_set_level(GPIO_CASE_CLOSE_EN, 0); - gpio_set_level(GPIO_CASE_CLOSE_DFU_L, 0); - gpio_set_level(GPIO_CASE_CLOSE_EN, 1); - gpio_set_level(GPIO_CASE_CLOSE_DFU_L, 1); - break; - case USBC_ACT_DRP_TOGGLE: - /* Toggle dualrole mode setting. */ - update_usbc_dual_role(drp_enable ? - PD_DRP_TOGGLE_OFF : PD_DRP_TOGGLE_ON); - break; - default: - break; - } -} - -/* has Pull-up */ -static int prev_dbg20v = 1; - -static void button_dbg20v_deferred(void); -DECLARE_DEFERRED(button_dbg20v_deferred); - -static void enable_dbg20v_poll(void) -{ - hook_call_deferred(&button_dbg20v_deferred_data, 10 * MSEC); -} - -/* Handle debounced button press */ -static void button_deferred(void) -{ - if (button_pressed == GPIO_DBG_20V_TO_DUT_L) { - enable_dbg20v_poll(); - if (gpio_get_level(GPIO_DBG_20V_TO_DUT_L) == prev_dbg20v) - return; - else - prev_dbg20v = !prev_dbg20v; - } - /* bounce ? */ - if (gpio_get_level(button_pressed) != 0) - return; - - switch (button_pressed) { - case GPIO_DBG_5V_TO_DUT_L: - set_usbc_action(USBC_ACT_5V_TO_DUT); - break; - case GPIO_DBG_12V_TO_DUT_L: - set_usbc_action(USBC_ACT_12V_TO_DUT); - break; - case GPIO_DBG_20V_TO_DUT_L: - set_usbc_action(USBC_ACT_20V_TO_DUT); - break; - case GPIO_DBG_CHG_TO_DEV_L: - set_usbc_action(USBC_ACT_DEVICE); - break; - case GPIO_DBG_USB_TOGGLE_L: - set_usbc_action(USBC_ACT_USBDP_TOGGLE); - if (gpio_get_level(GPIO_USBC_SS_USB_MODE)) - board_maybe_reset_usb_hub(); - break; - case GPIO_DBG_MUX_FLIP_L: - set_usbc_action(USBC_ACT_MUX_FLIP); - break; - case GPIO_DBG_CASE_CLOSE_EN_L: - set_usbc_action(USBC_ACT_CCD_EN); - break; - default: - break; - } - - ccprintf("Button %d = %d\n", - button_pressed, gpio_get_level(button_pressed)); -} -DECLARE_DEFERRED(button_deferred); - -void button_event(enum gpio_signal signal) -{ - button_pressed = signal; - /* reset debounce time */ - hook_call_deferred(&button_deferred_data, BUTTON_DEBOUNCE_US); -} - -static void button_dbg20v_deferred(void) -{ - if (gpio_get_level(GPIO_DBG_20V_TO_DUT_L) == 0) - button_event(GPIO_DBG_20V_TO_DUT_L); - else - enable_dbg20v_poll(); -} - -void vbus_event(enum gpio_signal signal) -{ - ccprintf("VBUS! =%d\n", gpio_get_level(signal)); - task_wake(TASK_ID_PD_C0); -} - -/* ADC channels */ -const struct adc_t adc_channels[] = { - /* USB PD CC lines sensing. Converted to mV (3300mV/4096). */ - [ADC_CH_CC1_PD] = {"CC1_PD", 3300, 4096, 0, STM32_AIN(0)}, - [ADC_CH_CC2_PD] = {"CC2_PD", 3300, 4096, 0, STM32_AIN(4)}, -}; -BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); - -/* I2C ports */ -const struct i2c_port_t i2c_ports[] = { - {"master", I2C_PORT_MASTER, 100, - GPIO_MASTER_I2C_SCL, GPIO_MASTER_I2C_SDA}, -}; -const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); - -/* 8-bit address */ -#define SN75DP130_I2C_ADDR_FLAGS 0x2e -/* - * Pin number for active-high reset from PCA9534 to CMOS pull-down to - * SN75DP130's RSTN (active-low) - */ -#define REDRIVER_RST_PIN 0x1 - -static int sn75dp130_i2c_write(uint8_t index, uint8_t value) -{ - return i2c_write8(I2C_PORT_MASTER, SN75DP130_I2C_ADDR_FLAGS, - index, value); -} - -/** - * Reset redriver. - * - * Note, MUST set SW15 to 'PD' in order to control i2c from PD-MCU. This can - * NOT be done via software. - */ -static int sn75dp130_reset(void) -{ - int rv; - - rv = pca9534_config_pin(I2C_PORT_MASTER, 0x20, - REDRIVER_RST_PIN, PCA9534_OUTPUT); - /* Assert (its active high) */ - rv |= pca9534_set_level(I2C_PORT_MASTER, 0x20, - REDRIVER_RST_PIN, 1); - /* datasheet recommends > 100usec */ - usleep(200); - - /* De-assert */ - rv |= pca9534_set_level(I2C_PORT_MASTER, 0x20, - REDRIVER_RST_PIN, 0); - /* datasheet recommends > 400msec */ - usleep(450 * MSEC); - return rv; -} - -static int sn75dp130_dpcd_init(void) -{ - int i, rv; - - /* set upper & middle DPCD addr ... constant for writes below */ - rv = sn75dp130_i2c_write(0x1c, 0x0); - rv |= sn75dp130_i2c_write(0x1d, 0x1); - - /* link_bw_set: 5.4gbps */ - rv |= sn75dp130_i2c_write(0x1e, 0x0); - rv |= sn75dp130_i2c_write(0x1f, 0x14); - - /* lane_count_set: 4 */ - rv |= sn75dp130_i2c_write(0x1e, 0x1); - rv |= sn75dp130_i2c_write(0x1f, 0x4); - - /* - * Force Link voltage level & pre-emphasis by writing each of the lane's - * DPCD config registers 103-106h accordingly. - */ - for (i = 0x3; i < 0x7; i++) { - rv |= sn75dp130_i2c_write(0x1e, i); - rv |= sn75dp130_i2c_write(0x1f, 0x3); - } - return rv; -} - -static int sn75dp130_redriver_init(void) -{ - int rv; - - rv = sn75dp130_reset(); - - /* Disable squelch detect */ - rv |= sn75dp130_i2c_write(0x3, 0x1a); - /* Disable link training on re-driver source side */ - rv |= sn75dp130_i2c_write(0x4, 0x0); - - /* Can only configure DPCD portion of redriver in presence of an HPD */ - if (gpio_get_level(GPIO_DPSRC_HPD)) - sn75dp130_dpcd_init(); - - return rv; -} - -static int cmd_usbc_action(int argc, char *argv[]) -{ - enum usbc_action act; - - if (argc != 2) - return EC_ERROR_PARAM_COUNT; - - if (!strcasecmp(argv[1], "5v")) - act = USBC_ACT_5V_TO_DUT; - else if (!strcasecmp(argv[1], "12v")) - act = USBC_ACT_12V_TO_DUT; - else if (!strcasecmp(argv[1], "20v")) - act = USBC_ACT_20V_TO_DUT; - else if (!strcasecmp(argv[1], "ccd")) - act = USBC_ACT_CCD_EN; - else if (!strcasecmp(argv[1], "dev")) - act = USBC_ACT_DEVICE; - else if (!strcasecmp(argv[1], "usb")) - act = USBC_ACT_USB_EN; - else if (!strcasecmp(argv[1], "dp")) - act = USBC_ACT_DP_EN; - else if (!strcasecmp(argv[1], "flip")) - act = USBC_ACT_MUX_FLIP; - else if (!strcasecmp(argv[1], "pol0")) - act = USBC_ACT_CABLE_POLARITY0; - else if (!strcasecmp(argv[1], "pol1")) - act = USBC_ACT_CABLE_POLARITY1; - else if (!strcasecmp(argv[1], "drp")) - act = USBC_ACT_DRP_TOGGLE; - else - return EC_ERROR_PARAM1; - - set_usbc_action(act); - - return EC_SUCCESS; -} -DECLARE_CONSOLE_COMMAND(usbc_action, cmd_usbc_action, - "<5v|12v|20v|ccd|dev|usb|dp|flip|pol0|pol1|drp>", - "Set Plankton type-C port state"); - -int board_in_hub_mode(void) -{ - int ret; - int level; - - ret = pca9534_config_pin(I2C_PORT_MASTER, 0x20, - 6, PCA9534_INPUT); - if (ret) - return -1; - ret = pca9534_get_level(I2C_PORT_MASTER, 0x20, - 6, &level); - if (ret) - return -1; - return level; -} - -static int board_usb_hub_reset(void) -{ - int ret; - - ret = pca9534_config_pin(I2C_PORT_MASTER, 0x20, - 7, PCA9534_OUTPUT); - if (ret) - return ret; - ret = pca9534_set_level(I2C_PORT_MASTER, 0x20, - 7, 0); - if (ret) - return ret; - usleep(100 * MSEC); - return pca9534_set_level(I2C_PORT_MASTER, 0x20, - 7, 1); -} - -void board_maybe_reset_usb_hub(void) -{ - if (board_in_hub_mode() == 1) - board_usb_hub_reset(); -} - -static int cmd_usb_hub_reset(int argc, char *argv[]) -{ - return board_usb_hub_reset(); -} -DECLARE_CONSOLE_COMMAND(hub_reset, cmd_usb_hub_reset, - NULL, "Reset USB hub"); - -static void board_usb_hub_reset_no_return(void) -{ - board_usb_hub_reset(); -} -DECLARE_DEFERRED(board_usb_hub_reset_no_return); - -static int board_pd_fake_disconnected(void) -{ - return fake_pd_disconnected; -} - -int board_fake_pd_adc_read(int cc) -{ - if (fake_pd_disconnected) { - /* Always disconnected */ - return fake_pd_host_mode ? 3000 : 0; - } else { - if (drp_enable) { - /* Always read the req CC line when in drp mode */ - return adc_read_channel(cc ? ADC_CH_CC2_PD : - ADC_CH_CC1_PD); - } else { - /* - * Only read the active CC line, fake disconnected - * on other CC line. */ - if (active_cc == cc) - return adc_read_channel(cc ? ADC_CH_CC2_PD : - ADC_CH_CC1_PD); - else - return host_mode ? 3000 : 0; - } - } -} - -/* Set fake PD pull-up/pull-down */ -static void board_update_fake_adc_value(int host_mode) -{ - fake_pd_host_mode = host_mode; -} - -void board_pd_set_host_mode(int enable) -{ - if (!drp_enable) - cprintf(CC_USBPD, "Host mode: %d\n", enable); - - if (board_pd_fake_disconnected()) { - board_update_fake_adc_value(enable); - return; - } - - /* if host mode changed, reset cable type */ - if (host_mode != enable) { - host_mode = enable; - cable = TYPEC_CABLE_NONE; - } - - if (enable) { - /* Source mode, disable charging */ - gpio_set_level(GPIO_USBC_CHARGE_EN, 0); - - /* Set CC lines */ - set_active_cc(active_cc); - } else { - /* Device mode, disable VBUS */ - gpio_set_level(GPIO_VBUS_CHARGER_EN, 0); - gpio_set_level(GPIO_USBC_VSEL_0, 0); - gpio_set_level(GPIO_USBC_VSEL_1, 0); - - /* Set CC lines */ - set_active_cc(active_cc); - - /* Enable charging */ - gpio_set_level(GPIO_USBC_CHARGE_EN, 1); - } -} - -static void board_init(void) -{ - timestamp_t now = get_time(); - hpd_prev_level = gpio_get_level(GPIO_DPSRC_HPD); - hpd_prev_ts = now.val; - gpio_enable_interrupt(GPIO_DPSRC_HPD); - - /* Start up with dualrole mode off */ - drp_enable = 0; - - /* Enable interrupts on VBUS transitions. */ - gpio_enable_interrupt(GPIO_VBUS_WAKE); - - /* Enable button interrupts. */ - gpio_enable_interrupt(GPIO_DBG_5V_TO_DUT_L); - gpio_enable_interrupt(GPIO_DBG_12V_TO_DUT_L); - gpio_enable_interrupt(GPIO_DBG_CHG_TO_DEV_L); - gpio_enable_interrupt(GPIO_DBG_USB_TOGGLE_L); - gpio_enable_interrupt(GPIO_DBG_MUX_FLIP_L); - gpio_enable_interrupt(GPIO_DBG_CASE_CLOSE_EN_L); - - /* TODO(crosbug.com/33761): poll DBG_20V_TO_DUT_L */ - enable_dbg20v_poll(); - - ina2xx_init(0, 0x399f, INA2XX_CALIB_1MA(10 /* mOhm */)); - sn75dp130_redriver_init(); - - /* Initialize USB hub */ - if (system_get_reset_flags() & EC_RESET_FLAG_POWER_ON) - hook_call_deferred(&board_usb_hub_reset_no_return_data, - 500 * MSEC); - - /* Start detecting CC cable type */ - hook_call_deferred(&detect_cc_cable_data, SECOND); -} -DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); - -static int cmd_fake_disconnect(int argc, char *argv[]) -{ - int delay_ms, duration_ms; - char *e; - - if (argc < 3) - return EC_ERROR_PARAM_COUNT; - - delay_ms = strtoi(argv[1], &e, 0); - if (*e || delay_ms < 0) - return EC_ERROR_PARAM1; - duration_ms = strtoi(argv[2], &e, 0); - if (*e || duration_ms < 0) - return EC_ERROR_PARAM2; - - /* Cancel any pending function calls */ - hook_call_deferred(&fake_disconnect_start_data, -1); - hook_call_deferred(&fake_disconnect_end_data, -1); - - fake_pd_disconnect_duration_us = duration_ms * MSEC; - hook_call_deferred(&fake_disconnect_start_data, delay_ms * MSEC); - - ccprintf("Fake disconnect for %d ms starting in %d ms.\n", - duration_ms, delay_ms); - - return EC_SUCCESS; -} -DECLARE_CONSOLE_COMMAND(fakedisconnect, cmd_fake_disconnect, - "<delay_ms> <duration_ms>", NULL); - -static void trigger_dfu_release(void) -{ - gpio_set_level(GPIO_CASE_CLOSE_DFU_L, 1); - ccprintf("Deasserting CASE_CLOSE_DFU_L.\n"); -} -DECLARE_DEFERRED(trigger_dfu_release); - -static int cmd_trigger_dfu(int argc, char *argv[]) -{ - gpio_set_level(GPIO_CASE_CLOSE_DFU_L, 0); - ccprintf("Asserting CASE_CLOSE_DFU_L.\n"); - ccprintf("If you expect to see DFU debug but it doesn't show up,\n"); - ccprintf("try flipping the USB type-C cable.\n"); - hook_call_deferred(&trigger_dfu_release_data, 1500 * MSEC); - return EC_SUCCESS; -} -DECLARE_CONSOLE_COMMAND(dfu, cmd_trigger_dfu, NULL, NULL); |