diff options
author | Duncan Laurie <dlaurie@chromium.org> | 2015-10-08 09:14:50 -0700 |
---|---|---|
committer | chrome-bot <chrome-bot@chromium.org> | 2015-10-12 13:15:48 -0700 |
commit | 84e27570e961aaa248da74cc98094f7f7fa2c3e5 (patch) | |
tree | 32c994efe5280c134af68c5209ad50d108544a6b /board/chell | |
parent | e337adc6e92e55a4c1591b99a8b7b393b3b40f48 (diff) | |
download | chrome-ec-84e27570e961aaa248da74cc98094f7f7fa2c3e5.tar.gz |
chell: Add EC/PD configuration for chell board
Add new EC board for chell proto:
- no motion sensors or tablet mode
- no independent volume buttons
- no ALS
- 2x PS8740 USB MUX
- apply PMIC_LDO_EN behavior by default
- leave SLP_S0 workaround in place until HW is updated
- misc GPIO changes
- update battery info with basic 3S config from blaze
- remove custom battery charger profile
The PD board is a symlink to glados as it appears to be the same.
BUG=chrome-os-partner:46289
BRANCH=none
TEST=make -j BOARD=chell ; make -j BOARD=chell_pd
Change-Id: I1084d663b06eeb55f035b10eb776a2e30e0f7074
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/304398
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'board/chell')
l--------- | board/chell/Makefile | 1 | ||||
-rw-r--r-- | board/chell/battery.c | 48 | ||||
-rw-r--r-- | board/chell/board.c | 365 | ||||
-rw-r--r-- | board/chell/board.h | 179 | ||||
-rw-r--r-- | board/chell/build.mk | 15 | ||||
-rw-r--r-- | board/chell/ec.tasklist | 33 | ||||
-rw-r--r-- | board/chell/gpio.inc | 165 | ||||
-rw-r--r-- | board/chell/led.c | 165 | ||||
-rw-r--r-- | board/chell/lfw/gpio.inc | 19 | ||||
-rw-r--r-- | board/chell/usb_pd_policy.c | 417 |
10 files changed, 1407 insertions, 0 deletions
diff --git a/board/chell/Makefile b/board/chell/Makefile new file mode 120000 index 0000000000..94aaae2c4d --- /dev/null +++ b/board/chell/Makefile @@ -0,0 +1 @@ +../../Makefile
\ No newline at end of file diff --git a/board/chell/battery.c b/board/chell/battery.c new file mode 100644 index 0000000000..48cbbd52b5 --- /dev/null +++ b/board/chell/battery.c @@ -0,0 +1,48 @@ +/* Copyright 2015 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. + * + * Battery pack vendor provided charging profile + */ + +#include "battery.h" +#include "battery_smart.h" +#include "charge_state.h" +#include "console.h" +#include "ec_commands.h" +#include "util.h" + +/* Shutdown mode parameter to write to manufacturer access register */ +#define SB_SHUTDOWN_DATA 0x0010 + +/* Battery info for proto */ +static const struct battery_info info = { + .voltage_max = 13050, /* mV */ + .voltage_normal = 11400, + .voltage_min = 9000, + .precharge_current = 392, /* mA */ + .start_charging_min_c = 0, + .start_charging_max_c = 60, + .charging_min_c = 0, + .charging_max_c = 60, + .discharging_min_c = 0, + .discharging_max_c = 60, +}; + +const struct battery_info *battery_get_info(void) +{ + return &info; +} + +int board_cut_off_battery(void) +{ + int rv; + + /* Ship mode command must be sent twice to take effect */ + rv = sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA); + if (rv != EC_SUCCESS) + return EC_RES_ERROR; + + rv = sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA); + return rv ? EC_RES_ERROR : EC_RES_SUCCESS; +} diff --git a/board/chell/board.c b/board/chell/board.c new file mode 100644 index 0000000000..f2d739ad23 --- /dev/null +++ b/board/chell/board.c @@ -0,0 +1,365 @@ +/* Copyright 2015 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. + */ + +/* Chell board-specific configuration */ + +#include "adc_chip.h" +#include "bd99992gw.h" +#include "charge_manager.h" +#include "charge_state.h" +#include "charger.h" +#include "chipset.h" +#include "console.h" +#include "extpower.h" +#include "gpio.h" +#include "hooks.h" +#include "host_command.h" +#include "i2c.h" +#include "keyboard_scan.h" +#include "lid_switch.h" +#include "pi3usb9281.h" +#include "power.h" +#include "power_button.h" +#include "spi.h" +#include "switch.h" +#include "system.h" +#include "task.h" +#include "temp_sensor.h" +#include "timer.h" +#include "uart.h" +#include "usb_charge.h" +#include "usb_mux.h" +#include "usb_pd.h" +#include "usb_pd_tcpm.h" +#include "util.h" + +#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args) +#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args) + +#define GPIO_KB_INPUT (GPIO_INPUT | GPIO_PULL_UP) +#define GPIO_KB_OUTPUT (GPIO_ODR_HIGH) +#define GPIO_KB_OUTPUT_COL2 (GPIO_OUT_LOW) + +#define I2C_ADDR_BD99992 0x60 + +/* Exchange status with PD MCU. */ +static void pd_mcu_interrupt(enum gpio_signal signal) +{ +#ifdef HAS_TASK_PDCMD + /* Exchange status with PD MCU to determine interrupt cause */ + host_command_pd_send_status(0); +#endif +} + +void vbus0_evt(enum gpio_signal signal) +{ + /* VBUS present GPIO is inverted */ + usb_charger_vbus_change(0, !gpio_get_level(signal)); + task_wake(TASK_ID_PD_C0); +} + +void vbus1_evt(enum gpio_signal signal) +{ + /* VBUS present GPIO is inverted */ + usb_charger_vbus_change(1, !gpio_get_level(signal)); + task_wake(TASK_ID_PD_C1); +} + +void usb0_evt(enum gpio_signal signal) +{ + task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12, 0); +} + +void usb1_evt(enum gpio_signal signal) +{ + task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12, 0); +} + +#include "gpio_list.h" + +/* power signal list. Must match order of enum power_signal. */ +const struct power_signal_info power_signal_list[] = { + {GPIO_RSMRST_L_PGOOD, 1, "RSMRST_N_PWRGD"}, + {GPIO_PCH_SLP_S0_L, 1, "SLP_S0_DEASSERTED"}, + {GPIO_PCH_SLP_S3_L, 1, "SLP_S3_DEASSERTED"}, + {GPIO_PCH_SLP_S4_L, 1, "SLP_S4_DEASSERTED"}, + {GPIO_PCH_SLP_SUS_L, 1, "SLP_SUS_DEASSERTED"}, + {GPIO_PMIC_DPWROK, 1, "PMIC_DPWROK"}, +}; +BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT); + +/* ADC channels */ +const struct adc_t adc_channels[] = { + /* Vbus sensing. Converted to mV, full ADC is equivalent to 33V. */ + [ADC_VBUS] = {"VBUS", 33000, 1024, 0, 1}, + /* Adapter current output or battery discharging current */ + [ADC_AMON_BMON] = {"AMON_BMON", 1, 1, 0, 3}, + /* System current consumption */ + [ADC_PSYS] = {"PSYS", 1, 1, 0, 4}, + +}; +BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); + +const struct i2c_port_t i2c_ports[] = { + {"pmic", MEC1322_I2C0_0, 400, GPIO_I2C0_0_SCL, GPIO_I2C0_0_SDA}, + {"muxes", MEC1322_I2C0_1, 400, GPIO_I2C0_1_SCL, GPIO_I2C0_1_SDA}, + {"pd_mcu", MEC1322_I2C1, 1000, GPIO_I2C1_SCL, GPIO_I2C1_SDA}, + {"batt", MEC1322_I2C3, 100, GPIO_I2C3_SCL, GPIO_I2C3_SDA}, +}; +const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); + +/* SPI devices */ +const struct spi_device_t spi_devices[] = { + { CONFIG_SPI_FLASH_PORT, 0, GPIO_PVT_CS0}, +}; +const unsigned int spi_devices_used = ARRAY_SIZE(spi_devices); + +const enum gpio_signal hibernate_wake_pins[] = { + GPIO_AC_PRESENT, + GPIO_LID_OPEN, + GPIO_POWER_BUTTON_L, +}; +const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins); + +struct pi3usb9281_config pi3usb9281_chips[] = { + { + .i2c_port = I2C_PORT_USB_CHARGER_1, + .mux_lock = NULL, + }, + { + .i2c_port = I2C_PORT_USB_CHARGER_2, + .mux_lock = NULL, + }, +}; +BUILD_ASSERT(ARRAY_SIZE(pi3usb9281_chips) == + CONFIG_USB_SWITCH_PI3USB9281_CHIP_COUNT); + +struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = { + { + .port_addr = 0x34, + .driver = &ps8740_usb_mux_driver, + }, + { + .port_addr = 0x20, + .driver = &ps8740_usb_mux_driver, + } +}; + +/** + * Reset PD MCU + */ +void board_reset_pd_mcu(void) +{ + gpio_set_level(GPIO_PD_RST_L, 0); + usleep(100); + gpio_set_level(GPIO_PD_RST_L, 1); +} + +const struct temp_sensor_t temp_sensors[] = { + {"Battery", TEMP_SENSOR_TYPE_BATTERY, charge_temp_sensor_get_val, 0, 4}, + + /* These BD99992GW temp sensors are only readable in S0 */ + {"Ambient", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, + BD99992GW_ADC_CHANNEL_SYSTHERM0, 4}, + {"Charger", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, + BD99992GW_ADC_CHANNEL_SYSTHERM1, 4}, + {"DRAM", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, + BD99992GW_ADC_CHANNEL_SYSTHERM2, 4}, + {"Wifi", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val, + BD99992GW_ADC_CHANNEL_SYSTHERM3, 4}, +}; +BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); + +/* + * Thermal limits for each temp sensor. All temps are in degrees K. Must be in + * same order as enum temp_sensor_id. To always ignore any temp, use 0. + */ +struct ec_thermal_config thermal_params[] = { + /* {Twarn, Thigh, Thalt}, fan_off, fan_max */ + {{0, 0, 0}, 0, 0}, /* Battery */ + {{0, 0, 0}, 0, 0}, /* Ambient */ + {{0, 0, 0}, 0, 0}, /* Charger */ + {{0, 0, 0}, 0, 0}, /* DRAM */ + {{0, 0, 0}, 0, 0}, /* Wifi */ +}; +BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT); + +static void board_pmic_init(void) +{ + /* No need to re-init PMIC since settings are sticky across sysjump */ + if (system_jumped_to_this_image()) + return; + + /* + * Set V085ACNT / V0.85A Control Register: + * Lower power mode = 0.7V. + * Nominal output = 1.0V. + */ + i2c_write8(I2C_PORT_PMIC, I2C_ADDR_BD99992, 0x38, 0x7a); +} +DECLARE_HOOK(HOOK_INIT, board_pmic_init, HOOK_PRIO_DEFAULT); + +/* Initialize board. */ +static void board_init(void) +{ + /* Enable PD MCU interrupt */ + gpio_enable_interrupt(GPIO_PD_MCU_INT); + + /* Enable VBUS interrupt */ + gpio_enable_interrupt(GPIO_USB_C0_VBUS_WAKE_L); + gpio_enable_interrupt(GPIO_USB_C1_VBUS_WAKE_L); + + /* Enable pericom BC1.2 interrupts */ + gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_L); + gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_L); + + /* Provide AC status to the PCH */ + gpio_set_level(GPIO_PCH_ACOK, extpower_is_present()); +} +DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); + +/** + * Buffer the AC present GPIO to the PCH. + */ +static void board_extpower(void) +{ + gpio_set_level(GPIO_PCH_ACOK, extpower_is_present()); +} +DECLARE_HOOK(HOOK_AC_CHANGE, board_extpower, HOOK_PRIO_DEFAULT); + +/** + * Set active charge port -- only one port can be active at a time. + * + * @param charge_port Charge port to enable. + * + * Returns EC_SUCCESS if charge port is accepted and made active, + * EC_ERROR_* otherwise. + */ +int board_set_active_charge_port(int charge_port) +{ + /* charge port is a realy physical port */ + int is_real_port = (charge_port >= 0 && + charge_port < CONFIG_USB_PD_PORT_COUNT); + /* check if we are source vbus on that port */ + int source = gpio_get_level(charge_port == 0 ? GPIO_USB_C0_5V_EN : + GPIO_USB_C1_5V_EN); + + if (is_real_port && source) { + CPRINTS("Skip enable p%d", charge_port); + return EC_ERROR_INVAL; + } + + CPRINTS("New chg p%d", charge_port); + + if (charge_port == CHARGE_PORT_NONE) { + /* Disable both ports */ + gpio_set_level(GPIO_USB_C0_CHARGE_EN_L, 1); + gpio_set_level(GPIO_USB_C1_CHARGE_EN_L, 1); + } else { + /* Make sure non-charging port is disabled */ + gpio_set_level(charge_port ? GPIO_USB_C0_CHARGE_EN_L : + GPIO_USB_C1_CHARGE_EN_L, 1); + /* Enable charging port */ + gpio_set_level(charge_port ? GPIO_USB_C1_CHARGE_EN_L : + GPIO_USB_C0_CHARGE_EN_L, 0); + } + + return EC_SUCCESS; +} + +/** + * Set the charge limit based upon desired maximum. + * + * @param charge_ma Desired charge limit (mA). + */ +void board_set_charge_limit(int charge_ma) +{ + charge_set_input_current_limit(MAX(charge_ma, + CONFIG_CHARGER_INPUT_CURRENT)); +} + +/* Called on AP S5 -> S3 transition */ +static void board_chipset_startup(void) +{ + gpio_set_level(GPIO_USB1_ENABLE, 1); + gpio_set_level(GPIO_ENABLE_TOUCHPAD, 1); +} +DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT); + +/* Called on AP S3 -> S5 transition */ +static void board_chipset_shutdown(void) +{ + gpio_set_level(GPIO_USB1_ENABLE, 0); + gpio_set_level(GPIO_ENABLE_TOUCHPAD, 0); +} +DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT); + +/* Called on AP S3 -> S0 transition */ +static void board_chipset_resume(void) +{ + gpio_set_level(GPIO_PP1800_DX_AUDIO_EN, 1); + gpio_set_level(GPIO_PP1800_DX_DMIC_EN, 1); +} +DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT); + +/* Called on AP S0 -> S3 transition */ +static void board_chipset_suspend(void) +{ + gpio_set_level(GPIO_PP1800_DX_AUDIO_EN, 0); + gpio_set_level(GPIO_PP1800_DX_DMIC_EN, 0); +} +DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT); + +uint32_t board_get_gpio_hibernate_state(uint32_t port, uint32_t pin) +{ + int i; + const uint32_t out_low_gpios[][2] = { + /* Turn off LEDs in hibernate */ + GPIO_TO_PORT_MASK_PAIR(GPIO_CHARGE_LED_1), + GPIO_TO_PORT_MASK_PAIR(GPIO_CHARGE_LED_2), + /* + * Set PD wake low so that it toggles high to generate a wake + * event once we leave hibernate. + */ + GPIO_TO_PORT_MASK_PAIR(GPIO_USB_PD_WAKE), + }; + + /* LED GPIOs should be driven low to turn off LEDs */ + for (i = 0; i < ARRAY_SIZE(out_low_gpios); ++i) + if (out_low_gpios[i][0] == port && out_low_gpios[i][1] == pin) + return GPIO_OUTPUT | GPIO_LOW; + + /* Other GPIOs should be put in a low-power state */ + return GPIO_INPUT | GPIO_PULL_UP; +} + +/* Make the pmic re-sequence the power rails under these conditions. */ +#define PMIC_RESET_FLAGS \ + (RESET_FLAG_WATCHDOG | RESET_FLAG_SOFT | RESET_FLAG_HARD) +static void board_handle_reboot(void) +{ + int flags; + + if (system_jumped_to_this_image()) + return; + + /* Interrogate current reset flags from previous reboot. */ + flags = system_get_reset_flags(); + + if (!(flags & PMIC_RESET_FLAGS)) + return; + + /* Preserve AP off request. */ + if (flags & RESET_FLAG_AP_OFF) + chip_save_reset_flags(RESET_FLAG_AP_OFF); + + ccprintf("Restarting system with PMIC.\n"); + /* Flush console */ + cflush(); + + /* Bring down all rails but RTC rail (including EC power). */ + gpio_set_level(GPIO_PMIC_LDO_EN, 1); +} +DECLARE_HOOK(HOOK_INIT, board_handle_reboot, HOOK_PRIO_FIRST); diff --git a/board/chell/board.h b/board/chell/board.h new file mode 100644 index 0000000000..5659ab0cf8 --- /dev/null +++ b/board/chell/board.h @@ -0,0 +1,179 @@ +/* Copyright 2015 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. + */ + +/* Chell board configuration */ + +#ifndef __CROS_EC_BOARD_H +#define __CROS_EC_BOARD_H + +/* Optional features */ +#define CONFIG_ADC +#define CONFIG_BATTERY_CUT_OFF +#define CONFIG_BATTERY_PRESENT_GPIO GPIO_BAT_PRESENT_L +#define CONFIG_BATTERY_SMART +#define CONFIG_BOARD_VERSION +#define CONFIG_CHARGE_MANAGER + +#define CONFIG_CHARGER +#define CONFIG_CHARGER_V2 + +#define CONFIG_CHARGER_ADC_AMON_BMON +#define CONFIG_CHARGER_DISCHARGE_ON_AC +#define CONFIG_CHARGER_ISL9237 +#define CONFIG_CHARGER_ILIM_PIN_DISABLED +#define CONFIG_CHARGER_INPUT_CURRENT 512 +#define CONFIG_CHARGER_MIN_BAT_PCT_FOR_POWER_ON 1 +#define CONFIG_CHARGER_SENSE_RESISTOR 10 +#define CONFIG_CHARGER_SENSE_RESISTOR_AC 20 + +#define CONFIG_CHIPSET_SKYLAKE +#define CONFIG_CLOCK_CRYSTAL +#define CONFIG_EXTPOWER_GPIO +#define CONFIG_HOSTCMD_PD +#define CONFIG_I2C +#define CONFIG_KEYBOARD_PROTOCOL_8042 +#define CONFIG_KEYBOARD_COL2_INVERTED +#define CONFIG_LED_COMMON +#define CONFIG_LID_SWITCH +#define CONFIG_LOW_POWER_IDLE +#define CONFIG_PORT80_TASK_EN +#define CONFIG_POWER_BUTTON +#define CONFIG_POWER_BUTTON_X86 +#define CONFIG_POWER_COMMON +#define CONFIG_SCI_GPIO GPIO_PCH_SCI_L +#define CONFIG_USB_CHARGER +#define CONFIG_USB_MUX_PS8740 +#define CONFIG_USB_POWER_DELIVERY +#define CONFIG_USB_PD_ALT_MODE +#define CONFIG_USB_PD_ALT_MODE_DFP +#define CONFIG_USB_PD_CUSTOM_VDM +#define CONFIG_USB_PD_DUAL_ROLE +#define CONFIG_USB_PD_PORT_COUNT 2 +#define CONFIG_USB_PD_TCPM_TCPCI +#define CONFIG_USB_PD_TRY_SRC +#define CONFIG_USB_SWITCH_PI3USB9281 +#define CONFIG_USB_SWITCH_PI3USB9281_CHIP_COUNT 2 +#define CONFIG_USBC_SS_MUX +#define CONFIG_USBC_SS_MUX_DFP_ONLY +#define CONFIG_USBC_VCONN +#define CONFIG_VBOOT_HASH + +#define CONFIG_SPI_FLASH_PORT 1 +#define CONFIG_SPI_FLASH +#define CONFIG_FLASH_SIZE 524288 +#define CONFIG_SPI_FLASH_W25Q64 + +#define CONFIG_TEMP_SENSOR +#define CONFIG_TEMP_SENSOR_BD99992GW +#define CONFIG_THERMISTOR_NCP15WB + +/* + * Allow dangerous commands. + * TODO: Remove this config before production. + */ +#define CONFIG_SYSTEM_UNLOCKED +#define CONFIG_WATCHDOG_HELP + +#define CONFIG_WIRELESS +#define CONFIG_WIRELESS_SUSPEND \ + (EC_WIRELESS_SWITCH_WLAN | EC_WIRELESS_SWITCH_WLAN_POWER) + +/* Wireless signals */ +#define WIRELESS_GPIO_WLAN GPIO_WLAN_OFF_L +#define WIRELESS_GPIO_WLAN_POWER GPIO_PP3300_DX_WLAN_EN + +/* LED signals */ +#define GPIO_BAT_LED_RED GPIO_CHARGE_LED_1 +#define GPIO_BAT_LED_GREEN GPIO_CHARGE_LED_2 + +/* I2C ports */ +#define I2C_PORT_PMIC MEC1322_I2C0_0 +#define I2C_PORT_USB_CHARGER_1 MEC1322_I2C0_1 +#define I2C_PORT_USB_MUX MEC1322_I2C0_1 +#define I2C_PORT_USB_CHARGER_2 MEC1322_I2C0_0 +#define I2C_PORT_PD_MCU MEC1322_I2C1 +#define I2C_PORT_TCPC MEC1322_I2C1 +#define I2C_PORT_BATTERY MEC1322_I2C3 +#define I2C_PORT_CHARGER MEC1322_I2C3 + +/* Thermal sensors read through PMIC ADC interface */ +#define I2C_PORT_THERMAL I2C_PORT_PMIC + +/* Modules we want to exclude */ +#undef CONFIG_CMD_HASH +#undef CONFIG_CMD_I2C_SCAN +#undef CONFIG_CMD_KEYBOARD +#undef CONFIG_CMD_TEMP_SENSOR +#undef CONFIG_CMD_TIMERINFO +#undef CONFIG_CONSOLE_CMDHELP +#undef CONFIG_CONSOLE_HISTORY + +#undef DEFERRABLE_MAX_COUNT +#define DEFERRABLE_MAX_COUNT 13 + +#ifndef __ASSEMBLER__ + +#include "gpio_signal.h" +#include "registers.h" + +/* ADC signal */ +enum adc_channel { + ADC_VBUS, + ADC_AMON_BMON, + ADC_PSYS, + /* Number of ADC channels */ + ADC_CH_COUNT +}; + +/* power signal definitions */ +enum power_signal { + X86_RSMRST_L_PWRGD = 0, + X86_SLP_S0_DEASSERTED, + X86_SLP_S3_DEASSERTED, + X86_SLP_S4_DEASSERTED, + X86_SLP_SUS_DEASSERTED, + X86_PMIC_DPWROK, + + /* Number of X86 signals */ + POWER_SIGNAL_COUNT +}; + +enum temp_sensor_id { + TEMP_SENSOR_BATTERY, + + /* These temp sensors are only readable in S0 */ + TEMP_SENSOR_AMBIENT, + TEMP_SENSOR_CHARGER, + TEMP_SENSOR_DRAM, + TEMP_SENSOR_WIFI, + + TEMP_SENSOR_COUNT +}; + +/* start as a sink in case we have no other power supply/battery */ +#define PD_DEFAULT_STATE PD_STATE_SNK_DISCONNECTED + +/* TODO: determine the following board specific type-C power constants */ +/* + * delay to turn on the power supply max is ~16ms. + * delay to turn off the power supply max is about ~180ms. + */ +#define PD_POWER_SUPPLY_TURN_ON_DELAY 30000 /* us */ +#define PD_POWER_SUPPLY_TURN_OFF_DELAY 250000 /* us */ + +/* Define typical operating power and max power */ +#define PD_OPERATING_POWER_MW 15000 +#define PD_MAX_POWER_MW 45000 +#define PD_MAX_CURRENT_MA 3000 + +/* Try to negotiate to 20V since i2c noise problems should be fixed. */ +#define PD_MAX_VOLTAGE_MV 20000 + +/* Reset PD MCU */ +void board_reset_pd_mcu(void); + +#endif /* !__ASSEMBLER__ */ + +#endif /* __CROS_EC_BOARD_H */ diff --git a/board/chell/build.mk b/board/chell/build.mk new file mode 100644 index 0000000000..3995654f1e --- /dev/null +++ b/board/chell/build.mk @@ -0,0 +1,15 @@ +# -*- makefile -*- +# Copyright 2015 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. +# +# Board specific files build +# + +# the IC is SMSC MEC1322 / external SPI is 512KB / external clock is crystal +CHIP:=mec1322 +CHIP_SPI_SIZE_KB:=512 + +board-y=board.o led.o +board-$(CONFIG_BATTERY_SMART)+=battery.o +board-$(CONFIG_USB_POWER_DELIVERY)+=usb_pd_policy.o diff --git a/board/chell/ec.tasklist b/board/chell/ec.tasklist new file mode 100644 index 0000000000..ec413f8047 --- /dev/null +++ b/board/chell/ec.tasklist @@ -0,0 +1,33 @@ +/* Copyright 2015 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. + */ + +/* + * List of enabled tasks in the priority order + * + * The first one has the lowest priority. + * + * For each task, use the macro TASK_ALWAYS(n, r, d, s) for base tasks and + * TASK_NOTEST(n, r, d, s) for tasks that can be excluded in test binaries, + * where : + * 'n' in the name of the task + * 'r' in the main routine of the task + * 'd' in an opaque parameter passed to the routine at startup + * 's' is the stack size in bytes; must be a multiple of 8 + */ +#define CONFIG_TASK_LIST \ + TASK_ALWAYS(HOOKS, hook_task, NULL, LARGER_TASK_STACK_SIZE) \ + TASK_ALWAYS(USB_CHG_P0, usb_charger_task, NULL, TASK_STACK_SIZE) \ + TASK_ALWAYS(USB_CHG_P1, usb_charger_task, NULL, TASK_STACK_SIZE) \ + TASK_ALWAYS(CHARGER, charger_task, NULL, LARGER_TASK_STACK_SIZE) \ + TASK_NOTEST(CHIPSET, chipset_task, NULL, LARGER_TASK_STACK_SIZE) \ + TASK_NOTEST(KEYPROTO, keyboard_protocol_task, NULL, TASK_STACK_SIZE) \ + TASK_NOTEST(PDCMD, pd_command_task, NULL, TASK_STACK_SIZE) \ + TASK_ALWAYS(HOSTCMD, host_command_task, NULL, TASK_STACK_SIZE) \ + TASK_ALWAYS(CONSOLE, console_task, NULL, LARGER_TASK_STACK_SIZE) \ + TASK_ALWAYS(POWERBTN, power_button_task, NULL, LARGER_TASK_STACK_SIZE) \ + TASK_NOTEST(KEYSCAN, keyboard_scan_task, NULL, TASK_STACK_SIZE) \ + TASK_ALWAYS(PD_C0, pd_task, NULL, LARGER_TASK_STACK_SIZE) \ + TASK_ALWAYS(PD_C1, pd_task, NULL, LARGER_TASK_STACK_SIZE) \ + TASK_NOTEST(PORT80, port80_task, NULL, TASK_STACK_SIZE) diff --git a/board/chell/gpio.inc b/board/chell/gpio.inc new file mode 100644 index 0000000000..ac6bd6448b --- /dev/null +++ b/board/chell/gpio.inc @@ -0,0 +1,165 @@ +/* -*- mode:c -*- + * + * Copyright 2015 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. + */ + +GPIO_INT(LID_OPEN, PIN(27), GPIO_INT_BOTH | GPIO_PULL_UP, lid_interrupt) +GPIO_INT(AC_PRESENT, PIN(30), GPIO_INT_BOTH, extpower_interrupt) +GPIO_INT(WP_L, PIN(33), GPIO_INT_BOTH, switch_interrupt) +/* Buffered power button input from PMIC / ROP_EC_PWR_BTN_L_R */ +GPIO_INT(POWER_BUTTON_L, PIN(35), GPIO_INT_BOTH, power_button_interrupt) +/* RSMRST from PMIC */ +GPIO_INT(RSMRST_L_PGOOD, PIN(63), GPIO_INT_BOTH, power_signal_interrupt) +GPIO_INT(PCH_SLP_S4_L, PIN(200), GPIO_INT_BOTH, power_signal_interrupt) +GPIO_INT(PCH_SLP_S3_L, PIN(206), GPIO_INT_BOTH, power_signal_interrupt) +/* + * NOTE: This pulldown should be removed in future hardware once the + * external logic to make SLP_S0 a binary signal to the EC is added. + */ +GPIO_INT(PCH_SLP_S0_L, PIN(211), GPIO_INT_BOTH | GPIO_PULL_DOWN, power_signal_interrupt) +GPIO_INT(PCH_SLP_SUS_L, PIN(12), GPIO_INT_BOTH, power_signal_interrupt) +GPIO_INT(PMIC_INT_L, PIN(50), GPIO_INT_FALLING, power_signal_interrupt) +GPIO_INT(PD_MCU_INT, PIN(122), GPIO_INT_FALLING | GPIO_PULL_UP, pd_mcu_interrupt) +GPIO_INT(USB_C0_VBUS_WAKE_L,PIN(152), GPIO_INT_BOTH, vbus0_evt) +GPIO_INT(USB_C1_VBUS_WAKE_L,PIN(123), GPIO_INT_BOTH, vbus1_evt) +GPIO_INT(USB_C0_BC12_INT_L, PIN(124), GPIO_INT_FALLING, usb0_evt) +GPIO_INT(USB_C1_BC12_INT_L, PIN(145), GPIO_INT_FALLING, usb1_evt) +GPIO_INT(PMIC_DPWROK, PIN(133), GPIO_INT_BOTH, power_signal_interrupt) +GPIO_INT(UART0_RX, PIN(162), GPIO_INT_BOTH_DSLEEP | GPIO_PULL_UP, uart_deepsleep_interrupt) + +/* PMIC */ +GPIO(PMIC_LDO_EN, PIN(55), GPIO_OUT_LOW) +GPIO(PMIC_SLP_SUS_L, PIN(201), GPIO_OUT_LOW) + +/* I2C pins - these will be reconfigured for alternate function below */ +GPIO(I2C0_0_SCL, PIN(15), GPIO_INPUT) +GPIO(I2C0_0_SDA, PIN(16), GPIO_INPUT) +GPIO(I2C0_1_SCL, PIN(134), GPIO_INPUT) +GPIO(I2C0_1_SDA, PIN(17), GPIO_INPUT) +GPIO(I2C1_SCL, PIN(22), GPIO_INPUT) +GPIO(I2C1_SDA, PIN(23), GPIO_INPUT) +GPIO(I2C2_SCL, PIN(20), GPIO_INPUT) +GPIO(I2C2_SDA, PIN(21), GPIO_INPUT) +GPIO(I2C3_SCL, PIN(24), GPIO_INPUT) +GPIO(I2C3_SDA, PIN(25), GPIO_INPUT) + +/* PCH */ +GPIO(PCH_SCI_L, PIN(26), GPIO_ODR_HIGH) +GPIO(PCH_SMI_L, PIN(44), GPIO_ODR_HIGH) +GPIO(PCH_PWRBTN_L, PIN(45), GPIO_OUTPUT) +GPIO(PCH_SEC_DISABLE_L, PIN(65), GPIO_OUT_HIGH) +GPIO(PCH_WAKE_L, PIN(66), GPIO_ODR_HIGH) +GPIO(PCH_ACOK, PIN(110), GPIO_OUT_LOW) +GPIO(PCH_RCIN_L, PIN(135), GPIO_ODR_HIGH) +GPIO(PCH_RSMRST_L, PIN(143), GPIO_OUT_LOW) +GPIO(PCH_RTCRST, PIN(163), GPIO_INPUT | GPIO_PULL_UP) +GPIO(SYS_RESET_L, PIN(121), GPIO_ODR_HIGH) +GPIO(ENTERING_RW, PIN(41), GPIO_OUT_LOW) + +/* Fan PWM output - NC / testing only */ +GPIO(EC_FAN1_TTACH, PIN(105), GPIO_INPUT | GPIO_PULL_UP) +GPIO(EC_FAN1_PWM, PIN(136), GPIO_OUT_LOW) + +/* Devices and power */ +GPIO(PP1800_DX_DMIC_EN, PIN(11), GPIO_OUT_LOW) +GPIO(PP1800_DX_AUDIO_EN, PIN(141), GPIO_OUT_LOW) +GPIO(PP3300_DX_WLAN_EN, PIN(203), GPIO_OUT_LOW) +GPIO(WLAN_OFF_L, PIN(132), GPIO_OUT_LOW) +GPIO(TRACKPAD_INT_L, PIN(127), GPIO_INPUT) +GPIO(ENABLE_BACKLIGHT, PIN(202), GPIO_OUT_LOW) +GPIO(ENABLE_TOUCHPAD, PIN(53), GPIO_OUT_LOW) +GPIO(PWM_KBLIGHT, PIN(34), GPIO_OUT_LOW) +GPIO(BAT_PRESENT_L, PIN(56), GPIO_INPUT) +GPIO(PLATFORM_EC_PROCHOT, PIN(151), GPIO_INPUT | GPIO_PULL_UP) +GPIO(CPU_PROCHOT, PIN(52), GPIO_OUT_LOW) + +/* USB PD and port power */ +GPIO(PD_RST_L, PIN(130), GPIO_ODR_HIGH) +GPIO(USB_PD_WAKE, PIN(60), GPIO_OUT_HIGH) +GPIO(USB_C0_DP_HPD, PIN(46), GPIO_OUT_LOW) +GPIO(USB_C1_DP_HPD, PIN(51), GPIO_OUT_LOW) +GPIO(USB_C0_5V_EN, PIN(154), GPIO_OUT_LOW) +GPIO(USB_C1_5V_EN, PIN(204), GPIO_OUT_LOW) +GPIO(USB_C0_CHARGE_EN_L, PIN(64), GPIO_OUT_LOW) +GPIO(USB_C1_CHARGE_EN_L, PIN(210), GPIO_OUT_LOW) +GPIO(USB1_ENABLE, PIN(36), GPIO_OUT_LOW) +GPIO(USB2_OTG_ID, PIN(13), GPIO_ODR_LOW) +GPIO(USB2_OTG_VBUSSENSE, PIN(140), GPIO_OUT_LOW) + +/* Board version */ +GPIO(BOARD_VERSION1, PIN(6), GPIO_INPUT) +GPIO(BOARD_VERSION2, PIN(7), GPIO_INPUT) +GPIO(BOARD_VERSION3, PIN(10), GPIO_INPUT) +GPIO(KBD_KSO2, PIN(101), GPIO_KB_OUTPUT_COL2) +GPIO(PVT_CS0, PIN(146), GPIO_ODR_HIGH) + +/* + * TODO(crosbug.com/p/40848): These LEDs should be under control of the mec1322 + * LED control unit. Remove these GPIO definitions once the LED control unit + * is functional. + */ +GPIO(CHARGE_LED_1, PIN(155), GPIO_OUT_LOW) +GPIO(CHARGE_LED_2, PIN(156), GPIO_OUT_LOW) + +/* Alternate functions GPIO definitions */ + +/* GPIO162(UART_RX), GPIO165(UART_TX) */ +ALTERNATE(PIN_MASK(16, 0x24), 1, MODULE_UART, 0) + +/* KB pins */ +/* KB ROW - GPIO000-GPIO005 */ +ALTERNATE(PIN_MASK(0, 0x3f), 3, MODULE_KEYBOARD_SCAN, GPIO_KB_OUTPUT) +/* KB ROW - GPIO100-GPIO104, GPIO106-GPIO107 */ +ALTERNATE(PIN_MASK(10, 0xdf), 3, MODULE_KEYBOARD_SCAN, GPIO_KB_OUTPUT) +/* KB COL - GPIO032 */ +ALTERNATE(PIN_MASK(3, 0x04), 3, MODULE_KEYBOARD_SCAN, GPIO_KB_INPUT) +/* KB COL - GPIO040, GPIO42-GPIO43 */ +ALTERNATE(PIN_MASK(4, 0x0d), 3, MODULE_KEYBOARD_SCAN, GPIO_KB_INPUT) +/* KB COL - GPIO125-GPIO126 */ +ALTERNATE(PIN_MASK(12, 0x60), 2, MODULE_KEYBOARD_SCAN, GPIO_KB_INPUT) +/* KB COL - GPIO142, GPIO144 */ +ALTERNATE(PIN_MASK(14, 0x14), 3, MODULE_KEYBOARD_SCAN, GPIO_KB_INPUT) + +/* LPC pins */ +/* LPC_CLK_RUN_L - GPIO014 */ +ALTERNATE(PIN_MASK(1, 0x10), 1, MODULE_LPC, 0) +/* LAD[0:3] - GPIO111-GPIO114, SERIRQ - GPIO115, PCI_CLK - GPIO117 */ +ALTERNATE(PIN_MASK(11, 0xbe), 1, MODULE_LPC, 0) +/* LRESET# - GPIO116 */ +ALTERNATE(PIN_MASK(11, 0x40), 1, MODULE_LPC, GPIO_INT_BOTH) +/* LFRAME# - GPIO120 */ +ALTERNATE(PIN_MASK(12, 0x01), 1, MODULE_LPC, 0) + +/* SPI pins */ +/* MOSI - GPIO054 */ +ALTERNATE(PIN_MASK(5, 0x10), 1, MODULE_SPI, 0) +/* MISO - GPIO164 */ +ALTERNATE(PIN_MASK(16, 0x10), 1, MODULE_SPI, 0) +/* PVT_SCLK - GPIO153 */ +ALTERNATE(PIN_MASK(15, 0x08), 1, MODULE_SPI, 0) +/* SHD_CS0# - GPIO150. Shared SPI chip select */ +ALTERNATE(PIN_MASK(15, 0x00), 1, MODULE_SPI, 0) + +/* I2C pins */ +/* I2C0_0 CLK - GPIO015, I2C0_0 DAT - GPIO016, I2C0_1 DAT - GPIO017 */ +ALTERNATE(PIN_MASK(1, 0xe0), 2, MODULE_I2C, GPIO_ODR_HIGH) +/* I2C{1,2,3} CLK / DAT - GPIO020-GPIO025*/ +ALTERNATE(PIN_MASK(2, 0x3f), 2, MODULE_I2C, GPIO_ODR_HIGH) +/* I2C0_1 CLK - GPIO134 */ +ALTERNATE(PIN_MASK(13, 0x10), 2, MODULE_I2C, GPIO_ODR_HIGH) + +/* ADC pins */ +/* ADC1 - GPIO057 / PPVAR_BOOSTIN_SENSE */ +ALTERNATE(PIN_MASK(5, 0x80), 1, MODULE_ADC, GPIO_ANALOG) +/* ADC3 - GPIO061 / IADP_ACMON_BMON. ADC4 - GPIO062 / PMON_PSYS */ +ALTERNATE(PIN_MASK(6, 0x06), 1, MODULE_ADC, GPIO_ANALOG) + +/* LED1 - GPIO155. LED2 - GPIO156 */ +ALTERNATE(PIN_MASK(15, 0x60), 2, MODULE_POWER_LED, 0) + +/* VCC1_RST# - GPIO131 */ +ALTERNATE(PIN_MASK(13, 0x02), 1, MODULE_PMU, 0) +/* nRESET_OUT - GPIO121 */ +ALTERNATE(PIN_MASK(12, 0x02), 1, MODULE_PMU, 0) diff --git a/board/chell/led.c b/board/chell/led.c new file mode 100644 index 0000000000..77afd164cf --- /dev/null +++ b/board/chell/led.c @@ -0,0 +1,165 @@ +/* Copyright 2015 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. + * + * Power and battery LED control. + */ + +#include "battery.h" +#include "charge_state.h" +#include "chipset.h" +#include "ec_commands.h" +#include "gpio.h" +#include "hooks.h" +#include "host_command.h" +#include "led_common.h" +#include "util.h" + +#define BAT_LED_ON 1 +#define BAT_LED_OFF 0 + +#define CRITICAL_LOW_BATTERY_PERCENTAGE 3 +#define LOW_BATTERY_PERCENTAGE 10 + +#define LED_TOTAL_4SECS_TICKS 16 +#define LED_TOTAL_2SECS_TICKS 8 +#define LED_ON_1SEC_TICKS 4 +#define LED_ON_2SECS_TICKS 8 + +const enum ec_led_id supported_led_ids[] = { + EC_LED_ID_BATTERY_LED}; + +const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids); + +enum led_color { + LED_OFF = 0, + LED_RED, + LED_AMBER, + LED_GREEN, + LED_COLOR_COUNT /* Number of colors, not a color itself */ +}; + +static int bat_led_set_color(enum led_color color) +{ + switch (color) { + case LED_OFF: + gpio_set_level(GPIO_BAT_LED_RED, BAT_LED_OFF); + gpio_set_level(GPIO_BAT_LED_GREEN, BAT_LED_OFF); + break; + case LED_RED: + gpio_set_level(GPIO_BAT_LED_RED, BAT_LED_ON); + gpio_set_level(GPIO_BAT_LED_GREEN, BAT_LED_OFF); + break; + case LED_AMBER: + gpio_set_level(GPIO_BAT_LED_RED, BAT_LED_ON); + gpio_set_level(GPIO_BAT_LED_GREEN, BAT_LED_ON); + break; + case LED_GREEN: + gpio_set_level(GPIO_BAT_LED_RED, BAT_LED_OFF); + gpio_set_level(GPIO_BAT_LED_GREEN, BAT_LED_ON); + break; + default: + return EC_ERROR_UNKNOWN; + } + return EC_SUCCESS; +} + +void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range) +{ + brightness_range[EC_LED_COLOR_RED] = 1; + brightness_range[EC_LED_COLOR_GREEN] = 1; +} + +static int board_led_set_color_battery(enum led_color color) +{ + return bat_led_set_color(color); +} + +static int board_led_set_color(enum ec_led_id led_id, enum led_color color) +{ + int rv; + + led_auto_control(led_id, 0); + switch (led_id) { + case EC_LED_ID_BATTERY_LED: + rv = board_led_set_color_battery(color); + break; + default: + return EC_ERROR_UNKNOWN; + } + return rv; +} + +int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness) +{ + if (brightness[EC_LED_COLOR_RED] != 0 && + brightness[EC_LED_COLOR_GREEN] != 0) + board_led_set_color(led_id, LED_AMBER); + else if (brightness[EC_LED_COLOR_RED] != 0) + board_led_set_color(led_id, LED_RED); + else if (brightness[EC_LED_COLOR_GREEN] != 0) + board_led_set_color(led_id, LED_GREEN); + else + board_led_set_color(led_id, LED_OFF); + + return EC_SUCCESS; +} + +static void board_led_set_battery(void) +{ + static int battery_ticks; + uint32_t chflags = charge_get_flags(); + + battery_ticks++; + + /* BAT LED behavior: + * Same as the chromeos spec + * Green/Amber for CHARGE_FLAG_FORCE_IDLE + */ + switch (charge_get_state()) { + case PWR_STATE_CHARGE: + board_led_set_color_battery(LED_AMBER); + break; + case PWR_STATE_DISCHARGE: + /* Less than 3%, blink one second every two second */ + if (charge_get_percent() < CRITICAL_LOW_BATTERY_PERCENTAGE) + board_led_set_color_battery( + (battery_ticks % LED_TOTAL_2SECS_TICKS < + LED_ON_1SEC_TICKS) ? LED_AMBER : LED_OFF); + /* Less than 10%, blink one second every four seconds */ + else if (charge_get_percent() < LOW_BATTERY_PERCENTAGE) + board_led_set_color_battery( + (battery_ticks % LED_TOTAL_4SECS_TICKS < + LED_ON_1SEC_TICKS) ? LED_AMBER : LED_OFF); + else + board_led_set_color_battery(LED_OFF); + break; + case PWR_STATE_ERROR: + board_led_set_color_battery( + (battery_ticks % LED_TOTAL_2SECS_TICKS < + LED_ON_1SEC_TICKS) ? LED_RED : LED_OFF); + break; + case PWR_STATE_CHARGE_NEAR_FULL: + board_led_set_color_battery(LED_GREEN); + break; + case PWR_STATE_IDLE: /* External power connected in IDLE */ + if (chflags & CHARGE_FLAG_FORCE_IDLE) + board_led_set_color_battery( + (battery_ticks % LED_TOTAL_4SECS_TICKS < + LED_ON_2SECS_TICKS) ? LED_GREEN : LED_AMBER); + else + board_led_set_color_battery(LED_GREEN); + break; + default: + /* Other states don't alter LED behavior */ + break; + } +} + +/** * Called by hook task every 1 sec */ +static void led_second(void) +{ + if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED)) + board_led_set_battery(); +} +DECLARE_HOOK(HOOK_SECOND, led_second, HOOK_PRIO_DEFAULT); diff --git a/board/chell/lfw/gpio.inc b/board/chell/lfw/gpio.inc new file mode 100644 index 0000000000..b7743916bc --- /dev/null +++ b/board/chell/lfw/gpio.inc @@ -0,0 +1,19 @@ +/* -*- mode:c -*- + * + * Copyright (c) 2015 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. + * + * Minimal set of GPIOs needed for LFW loader + */ + +/* SPI PVT chip select */ +GPIO(PVT_CS0, PIN(146), GPIO_ODR_HIGH) + +/* Alternate functions GPIO definition */ +/* UART */ +ALTERNATE(PIN_MASK(16, 0x24), 1, MODULE_UART, 0) +/* SPI pins */ +ALTERNATE(PIN_MASK(5, 0x10), 1, MODULE_SPI, 0) +ALTERNATE(PIN_MASK(16, 0x10), 1, MODULE_SPI, 0) +ALTERNATE(PIN_MASK(15, 0x08), 1, MODULE_SPI, 0) diff --git a/board/chell/usb_pd_policy.c b/board/chell/usb_pd_policy.c new file mode 100644 index 0000000000..52b6966c44 --- /dev/null +++ b/board/chell/usb_pd_policy.c @@ -0,0 +1,417 @@ +/* Copyright 2015 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 "atomic.h" +#include "charge_manager.h" +#include "common.h" +#include "console.h" +#include "gpio.h" +#include "hooks.h" +#include "host_command.h" +#include "registers.h" +#include "system.h" +#include "task.h" +#include "timer.h" +#include "util.h" +#include "usb_mux.h" +#include "usb_pd.h" + +#define CPRINTF(format, args...) cprintf(CC_USBPD, format, ## args) +#define CPRINTS(format, args...) cprints(CC_USBPD, format, ## args) + +#define PDO_FIXED_FLAGS (PDO_FIXED_DUAL_ROLE | PDO_FIXED_DATA_SWAP |\ + PDO_FIXED_COMM_CAP) + +/* TODO: fill in correct source and sink capabilities */ +const uint32_t pd_src_pdo[] = { + PDO_FIXED(5000, 1500, PDO_FIXED_FLAGS), +}; +const int pd_src_pdo_cnt = ARRAY_SIZE(pd_src_pdo); + +const uint32_t pd_snk_pdo[] = { + PDO_FIXED(5000, 500, PDO_FIXED_FLAGS), + PDO_BATT(5000, 20000, 15000), + PDO_VAR(5000, 20000, 3000), +}; +const int pd_snk_pdo_cnt = ARRAY_SIZE(pd_snk_pdo); + +int pd_is_valid_input_voltage(int mv) +{ + return 1; +} + +int pd_check_requested_voltage(uint32_t rdo) +{ + int max_ma = rdo & 0x3FF; + int op_ma = (rdo >> 10) & 0x3FF; + int idx = rdo >> 28; + uint32_t pdo; + uint32_t pdo_ma; + + if (!idx || idx > pd_src_pdo_cnt) + return EC_ERROR_INVAL; /* Invalid index */ + + /* check current ... */ + pdo = pd_src_pdo[idx - 1]; + pdo_ma = (pdo & 0x3ff); + if (op_ma > pdo_ma) + return EC_ERROR_INVAL; /* too much op current */ + if (max_ma > pdo_ma) + return EC_ERROR_INVAL; /* too much max current */ + + CPRINTF("Requested %d V %d mA (for %d/%d mA)\n", + ((pdo >> 10) & 0x3ff) * 50, (pdo & 0x3ff) * 10, + ((rdo >> 10) & 0x3ff) * 10, (rdo & 0x3ff) * 10); + + return EC_SUCCESS; +} + +void pd_transition_voltage(int idx) +{ + /* No-operation: we are always 5V */ +} + +int pd_set_power_supply_ready(int port) +{ + /* Disable charging */ + gpio_set_level(port ? GPIO_USB_C1_CHARGE_EN_L : + GPIO_USB_C0_CHARGE_EN_L, 1); + /* Provide VBUS */ + gpio_set_level(port ? GPIO_USB_C1_5V_EN : + GPIO_USB_C0_5V_EN, 1); + + return EC_SUCCESS; /* we are ready */ +} + +void pd_power_supply_reset(int port) +{ + /* Disable VBUS */ + gpio_set_level(port ? GPIO_USB_C1_5V_EN : + GPIO_USB_C0_5V_EN, 0); + + /* notify host of power info change */ + pd_send_host_event(PD_EVENT_POWER_CHANGE); +} + +void pd_set_input_current_limit(int port, uint32_t max_ma, + uint32_t supply_voltage) +{ +#ifdef CONFIG_CHARGE_MANAGER + struct charge_port_info charge; + + charge.current = max_ma; + charge.voltage = supply_voltage; + charge_manager_update_charge(CHARGE_SUPPLIER_PD, port, &charge); +#endif + /* notify host of power info change */ +} + +void typec_set_input_current_limit(int port, uint32_t max_ma, + uint32_t supply_voltage) +{ +#ifdef CONFIG_CHARGE_MANAGER + struct charge_port_info charge; + + charge.current = max_ma; + charge.voltage = supply_voltage; + charge_manager_update_charge(CHARGE_SUPPLIER_TYPEC, port, &charge); +#endif + + /* notify host of power info change */ +} + +int pd_snk_is_vbus_provided(int port) +{ + return !gpio_get_level(port ? GPIO_USB_C1_VBUS_WAKE_L : + GPIO_USB_C0_VBUS_WAKE_L); +} + +int pd_board_checks(void) +{ + return EC_SUCCESS; +} + +int pd_check_power_swap(int port) +{ + /* + * Allow power swap as long as we are acting as a dual role device, + * otherwise assume our role is fixed (not in S0 or console command + * to fix our role). + */ + return pd_get_dual_role() == PD_DRP_TOGGLE_ON ? 1 : 0; +} + +int pd_check_data_swap(int port, int data_role) +{ + /* Allow data swap if we are a UFP, otherwise don't allow */ + return (data_role == PD_ROLE_UFP) ? 1 : 0; +} + +void pd_execute_data_swap(int port, int data_role) +{ + /* Do nothing */ +} + +void pd_check_pr_role(int port, int pr_role, int flags) +{ + /* + * If partner is dual-role power and dualrole toggling is on, consider + * if a power swap is necessary. + */ + if ((flags & PD_FLAGS_PARTNER_DR_POWER) && + pd_get_dual_role() == PD_DRP_TOGGLE_ON) { + /* + * If we are a sink and partner is not externally powered, then + * swap to become a source. If we are source and partner is + * externally powered, swap to become a sink. + */ + int partner_extpower = flags & PD_FLAGS_PARTNER_EXTPOWER; + + if ((!partner_extpower && pr_role == PD_ROLE_SINK) || + (partner_extpower && pr_role == PD_ROLE_SOURCE)) + pd_request_power_swap(port); + } +} + +void pd_check_dr_role(int port, int dr_role, int flags) +{ + /* If UFP, try to switch to DFP */ + if ((flags & PD_FLAGS_PARTNER_DR_DATA) && dr_role == PD_ROLE_UFP) + pd_request_data_swap(port); +} +/* ----------------- Vendor Defined Messages ------------------ */ +const struct svdm_response svdm_rsp = { + .identity = NULL, + .svids = NULL, + .modes = NULL, +}; + +int pd_custom_vdm(int port, int cnt, uint32_t *payload, + uint32_t **rpayload) +{ + int cmd = PD_VDO_CMD(payload[0]); + uint16_t dev_id = 0; + int is_rw; + + /* make sure we have some payload */ + if (cnt == 0) + return 0; + + switch (cmd) { + case VDO_CMD_VERSION: + /* guarantee last byte of payload is null character */ + *(payload + cnt - 1) = 0; + CPRINTF("version: %s\n", (char *)(payload+1)); + break; + case VDO_CMD_READ_INFO: + case VDO_CMD_SEND_INFO: + /* copy hash */ + if (cnt == 7) { + dev_id = VDO_INFO_HW_DEV_ID(payload[6]); + is_rw = VDO_INFO_IS_RW(payload[6]); + + CPRINTF("DevId:%d.%d SW:%d RW:%d\n", + HW_DEV_ID_MAJ(dev_id), + HW_DEV_ID_MIN(dev_id), + VDO_INFO_SW_DBG_VER(payload[6]), + is_rw); + } else if (cnt == 6) { + /* really old devices don't have last byte */ + pd_dev_store_rw_hash(port, dev_id, payload + 1, + SYSTEM_IMAGE_UNKNOWN); + } + break; + case VDO_CMD_CURRENT: + CPRINTF("Current: %dmA\n", payload[1]); + break; + case VDO_CMD_FLIP: + usb_mux_flip(port); + break; +#ifdef CONFIG_USB_PD_LOGGING + case VDO_CMD_GET_LOG: + pd_log_recv_vdm(port, cnt, payload); + break; +#endif /* CONFIG_USB_PD_LOGGING */ + } + + return 0; +} + +#ifdef CONFIG_USB_PD_ALT_MODE_DFP +static int dp_flags[CONFIG_USB_PD_PORT_COUNT]; +/* DP Status VDM as returned by UFP */ +static uint32_t dp_status[CONFIG_USB_PD_PORT_COUNT]; + +static void svdm_safe_dp_mode(int port) +{ + /* make DP interface safe until configure */ + dp_flags[port] = 0; + dp_status[port] = 0; + usb_mux_set(port, TYPEC_MUX_NONE, + USB_SWITCH_CONNECT, pd_get_polarity(port)); +} + +static int svdm_enter_dp_mode(int port, uint32_t mode_caps) +{ + /* Only enter mode if device is DFP_D capable */ + if (mode_caps & MODE_DP_SNK) { + svdm_safe_dp_mode(port); + return 0; + } + + return -1; +} + +static int svdm_dp_status(int port, uint32_t *payload) +{ + int opos = pd_alt_mode(port, USB_SID_DISPLAYPORT); + + payload[0] = VDO(USB_SID_DISPLAYPORT, 1, + CMD_DP_STATUS | VDO_OPOS(opos)); + payload[1] = VDO_DP_STATUS(0, /* HPD IRQ ... not applicable */ + 0, /* HPD level ... not applicable */ + 0, /* exit DP? ... no */ + 0, /* usb mode? ... no */ + 0, /* multi-function ... no */ + (!!(dp_flags[port] & DP_FLAGS_DP_ON)), + 0, /* power low? ... no */ + (!!(dp_flags[port] & DP_FLAGS_DP_ON))); + return 2; +}; + +static int svdm_dp_config(int port, uint32_t *payload) +{ + int opos = pd_alt_mode(port, USB_SID_DISPLAYPORT); + int mf_pref = PD_VDO_DPSTS_MF_PREF(dp_status[port]); + int pin_mode = pd_dfp_dp_get_pin_mode(port, dp_status[port]); + + if (!pin_mode) + return 0; + + usb_mux_set(port, mf_pref ? TYPEC_MUX_DOCK : TYPEC_MUX_DP, + USB_SWITCH_CONNECT, pd_get_polarity(port)); + + payload[0] = VDO(USB_SID_DISPLAYPORT, 1, + CMD_DP_CONFIG | VDO_OPOS(opos)); + payload[1] = VDO_DP_CFG(pin_mode, /* pin mode */ + 1, /* DPv1.3 signaling */ + 2); /* UFP connected */ + return 2; +}; + +#define PORT_TO_HPD(port) ((port) ? GPIO_USB_C1_DP_HPD : GPIO_USB_C0_DP_HPD) +static void svdm_dp_post_config(int port) +{ + dp_flags[port] |= DP_FLAGS_DP_ON; + if (!(dp_flags[port] & DP_FLAGS_HPD_HI_PENDING)) + return; + + gpio_set_level(PORT_TO_HPD(port), 1); +} + +static void hpd0_irq_deferred(void) +{ + gpio_set_level(GPIO_USB_C0_DP_HPD, 1); +} + +static void hpd1_irq_deferred(void) +{ + gpio_set_level(GPIO_USB_C1_DP_HPD, 1); +} + +DECLARE_DEFERRED(hpd0_irq_deferred); +DECLARE_DEFERRED(hpd1_irq_deferred); +#define PORT_TO_HPD_IRQ_DEFERRED(port) ((port) ? hpd1_irq_deferred : \ + hpd0_irq_deferred) + +static int svdm_dp_attention(int port, uint32_t *payload) +{ + int cur_lvl; + int lvl = PD_VDO_DPSTS_HPD_LVL(payload[1]); + int irq = PD_VDO_DPSTS_HPD_IRQ(payload[1]); + enum gpio_signal hpd = PORT_TO_HPD(port); + + cur_lvl = gpio_get_level(hpd); + dp_status[port] = payload[1]; + + /* Its initial DP status message prior to config */ + if (!(dp_flags[port] & DP_FLAGS_DP_ON)) { + if (lvl) + dp_flags[port] |= DP_FLAGS_HPD_HI_PENDING; + return 1; + } + + if (irq & cur_lvl) { + gpio_set_level(hpd, 0); + hook_call_deferred(PORT_TO_HPD_IRQ_DEFERRED(port), + HPD_DSTREAM_DEBOUNCE_IRQ); + } else if (irq & !cur_lvl) { + CPRINTF("ERR:HPD:IRQ&LOW\n"); + return 0; /* nak */ + } else { + gpio_set_level(hpd, lvl); + } + /* ack */ + return 1; +} + +static void svdm_exit_dp_mode(int port) +{ + svdm_safe_dp_mode(port); + gpio_set_level(PORT_TO_HPD(port), 0); +} + +static int svdm_enter_gfu_mode(int port, uint32_t mode_caps) +{ + /* Always enter GFU mode */ + return 0; +} + +static void svdm_exit_gfu_mode(int port) +{ +} + +static int svdm_gfu_status(int port, uint32_t *payload) +{ + /* + * This is called after enter mode is successful, send unstructured + * VDM to read info. + */ + pd_send_vdm(port, USB_VID_GOOGLE, VDO_CMD_READ_INFO, NULL, 0); + return 0; +} + +static int svdm_gfu_config(int port, uint32_t *payload) +{ + return 0; +} + +static int svdm_gfu_attention(int port, uint32_t *payload) +{ + return 0; +} + +const struct svdm_amode_fx supported_modes[] = { + { + .svid = USB_SID_DISPLAYPORT, + .enter = &svdm_enter_dp_mode, + .status = &svdm_dp_status, + .config = &svdm_dp_config, + .post_config = &svdm_dp_post_config, + .attention = &svdm_dp_attention, + .exit = &svdm_exit_dp_mode, + }, + { + .svid = USB_VID_GOOGLE, + .enter = &svdm_enter_gfu_mode, + .status = &svdm_gfu_status, + .config = &svdm_gfu_config, + .attention = &svdm_gfu_attention, + .exit = &svdm_exit_gfu_mode, + } +}; +const int supported_modes_cnt = ARRAY_SIZE(supported_modes); +#endif /* CONFIG_USB_PD_ALT_MODE_DFP */ + |