From 43671e0348b52f4dbe0963aec8831bc7e9cc6792 Mon Sep 17 00:00:00 2001 From: Kevin K Wong Date: Thu, 9 Jul 2015 15:52:25 -0700 Subject: strago: add initial PD support Ported the PD support from Kunimitsu. kunimitsu: add initial PD support Change-Id: I0cb1edcf1703f55882f81c65e6359a45be4c1629 Reviewed-on: https://chromium-review.googlesource.com/281833 BUG=none TEST=Verified the PD negotiation on BCRD2. Device boots after plugging in the USB charger. Battery is getting charged. BRANCH=none Change-Id: If4efb0463118414fb02ad8e53700eac578a4954a Signed-off-by: Kevin K Wong Signed-off-by: Vijay Hiremath Reviewed-on: https://chromium-review.googlesource.com/287124 Reviewed-by: Shawn N --- board/strago/board.c | 185 ++++++++++++++++++++++- board/strago/board.h | 51 ++++++- board/strago/build.mk | 3 +- board/strago/ec.tasklist | 5 +- board/strago/gpio.inc | 21 ++- board/strago/usb_pd_policy.c | 338 +++++++++++++++++++++++++++++++++++++++++++ 6 files changed, 588 insertions(+), 15 deletions(-) create mode 100644 board/strago/usb_pd_policy.c (limited to 'board/strago') diff --git a/board/strago/board.c b/board/strago/board.c index 42ec939e28..89e447f91a 100644 --- a/board/strago/board.c +++ b/board/strago/board.c @@ -5,10 +5,13 @@ /* Strago board-specific configuration */ #include "adc.h" +#include "adc_chip.h" #include "als.h" #include "button.h" #include "charger.h" +#include "charge_manager.h" #include "charge_state.h" +#include "console.h" #include "driver/accel_kxcj9.h" #include "driver/als_isl29035.h" #include "driver/temp_sensor/tmp432.h" @@ -21,6 +24,7 @@ #include "math_util.h" #include "motion_lid.h" #include "motion_sense.h" +#include "pi3usb9281.h" #include "power.h" #include "power_button.h" #include "pwm.h" @@ -29,12 +33,58 @@ #include "temp_sensor.h" #include "temp_sensor_chip.h" #include "thermal.h" +#include "usb_charge.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) +/* 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 +} + +static void update_vbus_supplier(int port, int vbus_level) +{ + struct charge_port_info charge; + + /* + * If VBUS is low, or VBUS is high and we are not outputting VBUS + * ourselves, then update the VBUS supplier. + */ + if (!vbus_level || !usb_charger_port_is_sourcing_vbus(port)) { + charge.voltage = USB_CHARGER_VOLTAGE_MV; + charge.current = vbus_level ? USB_CHARGER_MIN_CURR_MA : 0; + charge_manager_update_charge(CHARGE_SUPPLIER_VBUS, + port, + &charge); + } +} + +void vbus0_evt(enum gpio_signal signal) +{ + /* VBUS present GPIO is inverted */ + int vbus_level = !gpio_get_level(signal); + + update_vbus_supplier(0, vbus_level); + task_wake(TASK_ID_PD); +} + +void usb0_evt(enum gpio_signal signal) +{ + task_wake(TASK_ID_USB_CHG_P0); +} + #include "gpio_list.h" /* PWM channels. Must be in the exactly same order as in enum pwm_channel. */ @@ -55,12 +105,19 @@ const struct power_signal_info power_signal_list[] = { }; 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, 4}, +}; +BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); + const struct i2c_port_t i2c_ports[] = { {"batt_chg", MEC1322_I2C0_0, 100, GPIO_I2C_PORT0_SCL, GPIO_I2C_PORT0_SDA}, {"sensors", MEC1322_I2C1, 100, GPIO_I2C_PORT1_SCL, GPIO_I2C_PORT1_SDA}, - {"pd_mcu", MEC1322_I2C2, 100, + {"pd_mcu", MEC1322_I2C2, 1000, GPIO_I2C_PORT2_SCL, GPIO_I2C_PORT2_SDA}, {"thermal", MEC1322_I2C3, 100, GPIO_I2C_PORT3_SCL, GPIO_I2C_PORT3_SDA} @@ -68,9 +125,21 @@ const struct i2c_port_t i2c_ports[] = { const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); const enum gpio_signal hibernate_wake_pins[] = { + GPIO_AC_PRESENT, + GPIO_LID_OPEN, + GPIO_POWER_BUTTON_L, }; -const int hibernate_wake_pins_used; +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, + }, +}; +BUILD_ASSERT(ARRAY_SIZE(pi3usb9281_chips) == + CONFIG_USB_SWITCH_PI3USB9281_CHIP_COUNT); /* * Temperature sensors data; must be in same order as enum temp_sensor_id. @@ -114,6 +183,21 @@ const struct button_config buttons[] = { }; BUILD_ASSERT(ARRAY_SIZE(buttons) == CONFIG_BUTTON_COUNT); +void board_set_usb_switches(int port, enum usb_switch setting) +{ + /* TODO: Set open / close USB switches based on param */ +} + +/** + * 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); +} + /* Four Motion sensors */ /* kxcj9 mutex and local/private data*/ static struct mutex g_kxcj9_mutex[2]; @@ -213,3 +297,100 @@ static void adc_pre_init(void) gpio_config_module(MODULE_ADC, 1); } DECLARE_HOOK(HOOK_INIT, adc_pre_init, HOOK_PRIO_INIT_ADC - 1); + +/* Initialize board. */ +static void board_init(void) +{ + struct charge_port_info charge_none; + + /* Enable PD MCU interrupt */ + gpio_enable_interrupt(GPIO_PD_MCU_INT); + /* Enable VBUS interrupt */ + gpio_enable_interrupt(GPIO_USB_C0_VBUS_WAKE_L); + + /* Initialize all pericom charge suppliers to 0 */ + charge_none.voltage = USB_CHARGER_VOLTAGE_MV; + charge_none.current = 0; + charge_manager_update_charge(CHARGE_SUPPLIER_PROPRIETARY, + 0, + &charge_none); + charge_manager_update_charge(CHARGE_SUPPLIER_BC12_CDP, + 0, + &charge_none); + charge_manager_update_charge(CHARGE_SUPPLIER_BC12_DCP, + 0, + &charge_none); + charge_manager_update_charge(CHARGE_SUPPLIER_BC12_SDP, + 0, + &charge_none); + charge_manager_update_charge(CHARGE_SUPPLIER_OTHER, + 0, + &charge_none); + + /* Initialize VBUS supplier based on whether or not VBUS is present */ + update_vbus_supplier(0, !gpio_get_level(GPIO_USB_C0_VBUS_WAKE_L)); + + /* Enable pericom BC1.2 interrupts */ + gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_L); +} +DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); + +/** + * Set active charge port -- Enable or Disable charging + * + * @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(GPIO_USB_C0_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 charging port */ + gpio_set_level(GPIO_USB_C0_CHARGE_EN_L, 1); + gpio_set_level(GPIO_EC_ACDET_CTRL, 1); + } else { + /* Enable charging port */ + gpio_set_level(GPIO_USB_C0_CHARGE_EN_L, 0); + gpio_set_level(GPIO_EC_ACDET_CTRL, 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)); +} + +/** + * TODO: Remove this code after the BAT_PRESENT_L GPIO is implemented in + * the hardware. + * + * Get the battery present status. + * + * Return EC_ERROR_UNIMPLEMENTED. + */ +enum battery_present battery_is_present(void) +{ + return EC_ERROR_UNIMPLEMENTED; +} diff --git a/board/strago/board.h b/board/strago/board.h index 1bebbe6b1b..864a32ad83 100644 --- a/board/strago/board.h +++ b/board/strago/board.h @@ -31,6 +31,16 @@ #define CONFIG_EXTPOWER_GPIO #define CONFIG_PORT80_TASK_EN +#define CONFIG_USB_CHARGER +#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 1 +#define CONFIG_USB_PD_TCPM_TCPCI +#define CONFIG_USB_SWITCH_PI3USB9281 +#define CONFIG_USB_SWITCH_PI3USB9281_CHIP_COUNT 1 #define CONFIG_SPI_PORT 1 #define CONFIG_SPI_CS_GPIO GPIO_PVT_CS0 @@ -58,6 +68,8 @@ #define CONFIG_CHARGER_SENSE_RESISTOR_AC 10 #define CONFIG_CHARGER_INPUT_CURRENT 2240 #define CONFIG_CHARGER_DISCHARGE_ON_AC +#define CONFIG_CHARGE_MANAGER +#define CONFIG_HOSTCMD_PD #define CONFIG_PWM #define CONFIG_LED_COMMON @@ -66,8 +78,8 @@ /* Accelerometer */ #define CONFIG_ACCEL_KXCJ9 -#define CONFIG_CMD_ACCELS -#define CONFIG_CMD_ACCEL_INFO +#undef CONFIG_CMD_ACCELS +#undef CONFIG_CMD_ACCEL_INFO #define CONFIG_LID_ANGLE #define CONFIG_LID_ANGLE_SENSOR_BASE 0 #define CONFIG_LID_ANGLE_SENSOR_LID 1 @@ -75,13 +87,21 @@ /* Number of buttons */ #define CONFIG_BUTTON_COUNT 2 +#undef DEFERRABLE_MAX_COUNT +#define DEFERRABLE_MAX_COUNT 11 + +#define CONFIG_ADC + /* Modules we want to exclude */ +#undef CONFIG_CMD_HASH +#undef CONFIG_CMD_TIMERINFO +#undef CONFIG_CONSOLE_CMDHELP +#undef CONFIG_CONSOLE_HISTORY #undef CONFIG_EEPROM #undef CONFIG_EOPTION +#undef CONFIG_FANS #undef CONFIG_PSTORE #undef CONFIG_PECI -#undef CONFIG_FANS -#undef CONFIG_ADC #ifndef __ASSEMBLER__ #include "gpio_signal.h" @@ -93,11 +113,14 @@ #define I2C_PORT_ACCEL MEC1322_I2C1 #define I2C_PORT_GYRO MEC1322_I2C1 #define I2C_PORT_ALS MEC1322_I2C1 +#define I2C_PORT_USB_CHARGER_1 MEC1322_I2C2 #define I2C_PORT_PD_MCU MEC1322_I2C2 +#define I2C_PORT_TCPC MEC1322_I2C2 #define I2C_PORT_THERMAL MEC1322_I2C3 /* ADC signal */ enum adc_channel { + ADC_VBUS, /* Number of ADC channels */ ADC_CH_COUNT }; @@ -140,6 +163,26 @@ enum als_id { ALS_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 60000 +#define PD_MAX_CURRENT_MA 3000 +#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/strago/build.mk b/board/strago/build.mk index 894de2b191..f978c868b4 100644 --- a/board/strago/build.mk +++ b/board/strago/build.mk @@ -6,9 +6,10 @@ # Board specific files build # -# the IC is SMSC MEC1322 / external SPI is 4MB / external clock is crystal +# 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/strago/ec.tasklist b/board/strago/ec.tasklist index 370444648e..3b1efb3150 100644 --- a/board/strago/ec.tasklist +++ b/board/strago/ec.tasklist @@ -18,12 +18,15 @@ */ #define CONFIG_TASK_LIST \ TASK_ALWAYS(HOOKS, hook_task, NULL, TASK_STACK_SIZE) \ + TASK_ALWAYS(USB_CHG_P0, usb_charger_task, NULL, TASK_STACK_SIZE) \ TASK_ALWAYS(CHARGER, charger_task, NULL, TASK_STACK_SIZE) \ TASK_NOTEST(MOTIONSENSE, motion_sense_task, NULL, LARGER_TASK_STACK_SIZE) \ TASK_NOTEST(CHIPSET, chipset_task, NULL, 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, TASK_STACK_SIZE) \ TASK_NOTEST(PORT80, port80_task, NULL, TASK_STACK_SIZE) \ TASK_ALWAYS(POWERBTN, power_button_task, NULL, TASK_STACK_SIZE) \ - TASK_NOTEST(KEYSCAN, keyboard_scan_task, NULL, TASK_STACK_SIZE) + TASK_NOTEST(KEYSCAN, keyboard_scan_task, NULL, TASK_STACK_SIZE) \ + TASK_ALWAYS(PD, pd_task, NULL, LARGER_TASK_STACK_SIZE) diff --git a/board/strago/gpio.inc b/board/strago/gpio.inc index e08bb7477c..7a89ab7b07 100644 --- a/board/strago/gpio.inc +++ b/board/strago/gpio.inc @@ -5,6 +5,9 @@ * found in the LICENSE file. */ +GPIO_INT(PD_MCU_INT, PIN(47), GPIO_INT_FALLING | GPIO_INT_DSLEEP, pd_mcu_interrupt) +GPIO_INT(USB_C0_VBUS_WAKE_L,PIN(12), GPIO_INT_BOTH, vbus0_evt) +GPIO_INT(USB_C0_BC12_INT_L, PIN(155), GPIO_INT_FALLING, usb0_evt) GPIO_INT(LID_OPEN, PIN(27), GPIO_INT_BOTH | GPIO_PULL_UP, lid_interrupt) /* Lid switch */ GPIO_INT(AC_PRESENT, PIN(30), GPIO_INT_BOTH | GPIO_PULL_UP | GPIO_PULL_DOWN, extpower_interrupt) /* BC_ACOK / EC_ACIN - to know if battery or AC connected */ #ifdef CONFIG_BUTTON_COUNT @@ -22,10 +25,12 @@ GPIO_INT(UART0_RX, PIN(162), GPIO_INPUT | GPIO_PULL_UP, NULL) GPIO_INT(PCH_SLP_S4_L, PIN(200), GPIO_INT_BOTH, power_signal_interrupt) /* SLP_S4# signal from PCH */ GPIO_INT(PCH_SLP_S3_L, PIN(206), GPIO_INT_BOTH, power_signal_interrupt) /* SLP_S3# signal from PCH */ +UNIMPLEMENTED(BAT_PRESENT_L) +UNIMPLEMENTED(USB_PD_WAKE) + GPIO(NC_GPIO0, PIN(0), GPIO_INPUT | GPIO_PULL_UP) /* NC */ GPIO(KBD_KSO2, PIN(1), GPIO_KB_OUTPUT_COL2) /* Negative edge triggered irq. */ -GPIO(NC_USBPD_BOOT0, PIN(12), GPIO_INPUT | GPIO_PULL_DOWN) /* NC */ GPIO(USB_ILIM_SEL, PIN(13), GPIO_OUT_HIGH) /* USB current control */ GPIO(I2C_PORT0_SCL, PIN(15), GPIO_ODR_HIGH) GPIO(I2C_PORT0_SDA, PIN(16), GPIO_ODR_HIGH) @@ -53,9 +58,9 @@ GPIO(PCH_SMI_L, PIN(44), GPIO_ODR_HIGH) /* SMI output */ GPIO(USB_OC1_L, PIN(45), GPIO_INT_FALLING) /* DB2 BC1.2 over current signal to EC */ GPIO(DP_USB_C_HPD_Q, PIN(46), GPIO_OUT_HIGH) /* DP hot plug detect from EC to SOC */ -GPIO(OTG_SW_EN, PIN(50), GPIO_OUT_LOW) /* */ +GPIO(USB_C0_5V_EN, PIN(50), GPIO_OUT_LOW) /* USB C0 5V enable */ GPIO(PCH_SUS_STAT_L, PIN(51), GPIO_INT_FALLING) /* Signal to inform EC that SOC is entering low power state */ -GPIO(EC_ACDET_CTRL, PIN(52), GPIO_INPUT | GPIO_PULL_UP) +GPIO(EC_ACDET_CTRL, PIN(52), GPIO_OUT_HIGH) /* EC AC Detect control */ GPIO(TRACKPAD_PWREN, PIN(53), GPIO_OUT_HIGH) /* Enable power for Track Pad */ GPIO(USB_OC0_L, PIN(55), GPIO_INT_FALLING) /* Over current signal of the BC1.2 charger to EC */ GPIO(EC_ADC1, PIN(57), GPIO_INPUT) /* EC_ADC1, TEMP_SENSOR_2 no_stuff */ @@ -84,7 +89,7 @@ GPIO(PD_RST_L, PIN(135), GPIO_ODR_HIGH) /* USB PD MCU r GPIO(THERMAL_PROBE_EN_L,PIN(140), GPIO_OUT_HIGH) GPIO(PCH_RSMRST_L, PIN(143), GPIO_OUT_LOW) /* RSMRST_N to PCH */ -GPIO(EC_KBD_ALERT, PIN(145), GPIO_OUT_LOW) /* EC_KBD_ALERT */ +GPIO(EC_KBD_ALERT, PIN(145), GPIO_OUT_LOW) /* EC_KBD_ALERT */ GPIO(PVT_CS0, PIN(146), GPIO_ODR_HIGH) /* SPI PVT Chip select */ GPIO(ALS_INT, PIN(147), GPIO_INPUT | GPIO_PULL_UP) /* ALS sensor interrupt to EC */ @@ -92,7 +97,6 @@ GPIO(WLAN_OFF_L, PIN(150), GPIO_ODR_HIGH) /* Wireless LAN GPIO(CPU_PROCHOT, PIN(151), GPIO_OUT_LOW) GPIO(KBD_IRQ_L, PIN(152), GPIO_ODR_HIGH) /* Negative edge triggered irq. */ GPIO(BOARD_VERSION1, PIN(154), GPIO_INPUT) /* BOARD_ID0 */ -GPIO(EC_PERICOM_INT, PIN(155), GPIO_INT_BOTH) /* Pericom USB device interrupt */ GPIO(PWR_BTN_SELECT, PIN(156), GPIO_ODR_HIGH) /* HIGH in clamshell mode and LOW in tablet mode */ GPIO(PCH_SUSPWRDNACK, PIN(157), GPIO_INT_FALLING) /* PMC SUSPWRDNACK signal from SOC to EC */ @@ -103,7 +107,7 @@ GPIO(VP9_CODEC_RESET_L, PIN(163), GPIO_OUT_LOW) /* VP9_CODEC_RE GPIO(STARTUP_LATCH_SET, PIN(201), GPIO_OUT_HIGH) /* Output from EC to POL signal of USB Type C Mux */ GPIO(EC_BL_DISABLE_L, PIN(202), GPIO_OUT_HIGH) /* EDP backligh disable signal from EC */ GPIO(SMC_SHUTDOWN, PIN(203), GPIO_OUT_LOW) /* Shutdown signal from EC to power sequencing PLD */ -GPIO(USBPD_BST_OFF, PIN(204), GPIO_OUT_LOW) +GPIO(USB_C0_CHARGE_EN_L,PIN(204), GPIO_OUT_LOW) GPIO(SUSPWRDNACK_SOC_EC,PIN(210), GPIO_OUT_LOW) /* SUSPWRDNACK signal from MOIC device to EC */ GPIO(GPIO_3_EC, PIN(211), GPIO_OUT_LOW) /* Sleep SOIX signal from SOC to EC */ @@ -134,10 +138,13 @@ ALTERNATE(PIN_MASK(15, 0x08), 1, MODULE_SPI, 0) ALTERNATE(PIN_MASK(13, 0x48), 1, MODULE_PWM_LED, GPIO_OUTPUT) /* 133: PWM0, 136: PWM1 */ ALTERNATE(PIN_MASK(14, 0x02), 1, MODULE_PWM_LED, GPIO_OUTPUT) /* 141: PWM3 */ ALTERNATE(PIN_MASK(5, 0x40), 1, MODULE_ADC, 0) /* 56: temperature sensor 1 */ -ALTERNATE(PIN_MASK(6, 0x05), 1, MODULE_ADC, 0) /* 60: PC_MON, 62: temperature sensor 3 */ +ALTERNATE(PIN_MASK(6, 0x01), 1, MODULE_ADC, 0) /* 60: PC_MON, 62: temperature sensor 3 */ /* Re-Config LPC Pins to GPIO Open Drain for SOC G3 (EC - POWER_G3) state */ ALTERNATE(PIN_MASK(1, 0x10), 0, MODULE_GPIO, GPIO_ODR_HIGH) /* 14: LPC CLKRUN */ ALTERNATE(PIN_MASK(11, 0x9e), 0, MODULE_GPIO, GPIO_ODR_HIGH) /* 111~114:LAD[0:3], 117:PCI_CLK */ ALTERNATE(PIN_MASK(11, 0x40), 0, MODULE_GPIO, GPIO_ODR_HIGH) /* 116: LRESET# */ ALTERNATE(PIN_MASK(12, 0x01), 0, MODULE_GPIO, GPIO_ODR_HIGH) /* 120: LFRAME# */ + +/* FOR USBPD - GP62/ADC4 */ +ALTERNATE(PIN_MASK(6, 0x04), 1, MODULE_ADC, GPIO_ANALOG) diff --git a/board/strago/usb_pd_policy.c b/board/strago/usb_pd_policy.c new file mode 100644 index 0000000000..ba7a162fab --- /dev/null +++ b/board/strago/usb_pd_policy.c @@ -0,0 +1,338 @@ +/* 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_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) + +/* 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(GPIO_USB_C0_CHARGE_EN_L, 1); + + /* Provide VBUS */ + gpio_set_level(GPIO_USB_C0_5V_EN, 1); + + return EC_SUCCESS; /* we are ready */ +} + +void pd_power_supply_reset(int port) +{ + /* Disable VBUS */ + gpio_set_level(GPIO_USB_C0_5V_EN, 0); +} + +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(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) +{ + /* TODO: need to open/close D+/D- switch based on role */ +} + +void pd_check_pr_role(int port, int pr_role, int partner_pr_swap) +{ + /* If sink, and dual role toggling is on, then switch to source */ + if (partner_pr_swap && pr_role == PD_ROLE_SINK && + pd_get_dual_role() == PD_DRP_TOGGLE_ON) + pd_request_power_swap(port); +} + +void pd_check_dr_role(int port, int dr_role, int partner_dr_swap) +{ + /* If UFP, try to switch to DFP */ + if (partner_dr_swap && 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: + /* board_flip_usb_mux(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; + +static void svdm_safe_dp_mode(int port) +{ + /* make DP interface safe until configure */ + dp_flags = 0; + /* board_set_usb_mux(port, TYPEC_MUX_NONE, 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 & DP_FLAGS_DP_ON)), + 0, /* power low? ... no */ + (!!(dp_flags & 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); + /* board_set_usb_mux(port, TYPEC_MUX_DP, pd_get_polarity(port)); */ + payload[0] = VDO(USB_SID_DISPLAYPORT, 1, + CMD_DP_CONFIG | VDO_OPOS(opos)); + payload[1] = VDO_DP_CFG(MODE_DP_PIN_E, /* pin mode */ + 1, /* DPv1.3 signaling */ + 2); /* UFP connected */ + return 2; +}; + +static void svdm_dp_post_config(int port) +{ + dp_flags |= DP_FLAGS_DP_ON; + if (!(dp_flags & DP_FLAGS_HPD_HI_PENDING)) + return; +} + +static int svdm_dp_attention(int port, uint32_t *payload) +{ + /* 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 */ -- cgit v1.2.1