diff options
Diffstat (limited to 'board/servo_v4/board.c')
| -rw-r--r-- | board/servo_v4/board.c | 183 |
1 files changed, 80 insertions, 103 deletions
diff --git a/board/servo_v4/board.c b/board/servo_v4/board.c index b304408f74..5320d7fd1c 100644 --- a/board/servo_v4/board.c +++ b/board/servo_v4/board.c @@ -1,4 +1,4 @@ -/* Copyright 2016 The Chromium OS Authors. All rights reserved. +/* Copyright 2016 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ @@ -33,8 +33,8 @@ #include "usb-stream.h" #include "util.h" -#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ## args) -#define CPRINTF(format, args...) cprintf(CC_SYSTEM, format, ## args) +#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ##args) +#define CPRINTF(format, args...) cprintf(CC_SYSTEM, format, ##args) /****************************************************************************** * GPIO interrupt handlers. @@ -175,23 +175,22 @@ void board_config_pre_init(void) /* ADC channels */ const struct adc_t adc_channels[] = { /* USB PD CC lines sensing. Converted to mV (3300mV/4096). */ - [ADC_CHG_CC1_PD] = {"CHG_CC1_PD", 3300, 4096, 0, STM32_AIN(2)}, - [ADC_CHG_CC2_PD] = {"CHG_CC2_PD", 3300, 4096, 0, STM32_AIN(4)}, - [ADC_DUT_CC1_PD] = {"DUT_CC1_PD", 3300, 4096, 0, STM32_AIN(0)}, - [ADC_DUT_CC2_PD] = {"DUT_CC2_PD", 3300, 4096, 0, STM32_AIN(5)}, - [ADC_SBU1_DET] = {"SBU1_DET", 3300, 4096, 0, STM32_AIN(3)}, - [ADC_SBU2_DET] = {"SBU2_DET", 3300, 4096, 0, STM32_AIN(7)}, - [ADC_SUB_C_REF] = {"SUB_C_REF", 3300, 4096, 0, STM32_AIN(1)}, + [ADC_CHG_CC1_PD] = { "CHG_CC1_PD", 3300, 4096, 0, STM32_AIN(2) }, + [ADC_CHG_CC2_PD] = { "CHG_CC2_PD", 3300, 4096, 0, STM32_AIN(4) }, + [ADC_DUT_CC1_PD] = { "DUT_CC1_PD", 3300, 4096, 0, STM32_AIN(0) }, + [ADC_DUT_CC2_PD] = { "DUT_CC2_PD", 3300, 4096, 0, STM32_AIN(5) }, + [ADC_SBU1_DET] = { "SBU1_DET", 3300, 4096, 0, STM32_AIN(3) }, + [ADC_SBU2_DET] = { "SBU2_DET", 3300, 4096, 0, STM32_AIN(7) }, + [ADC_SUB_C_REF] = { "SUB_C_REF", 3300, 4096, 0, STM32_AIN(1) }, }; BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); - /****************************************************************************** * Forward UARTs as a USB serial interface. */ -#define USB_STREAM_RX_SIZE 16 -#define USB_STREAM_TX_SIZE 16 +#define USB_STREAM_RX_SIZE 16 +#define USB_STREAM_TX_SIZE 16 /****************************************************************************** * Forward USART3 as a simple USB serial interface. @@ -200,29 +199,19 @@ BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); static struct usart_config const usart3; struct usb_stream_config const usart3_usb; -static struct queue const usart3_to_usb = QUEUE_DIRECT(64, uint8_t, - usart3.producer, usart3_usb.consumer); -static struct queue const usb_to_usart3 = QUEUE_DIRECT(64, uint8_t, - usart3_usb.producer, usart3.consumer); +static struct queue const usart3_to_usb = + QUEUE_DIRECT(64, uint8_t, usart3.producer, usart3_usb.consumer); +static struct queue const usb_to_usart3 = + QUEUE_DIRECT(64, uint8_t, usart3_usb.producer, usart3.consumer); static struct usart_config const usart3 = - USART_CONFIG(usart3_hw, - usart_rx_interrupt, - usart_tx_interrupt, - 115200, - 0, - usart3_to_usb, - usb_to_usart3); - -USB_STREAM_CONFIG(usart3_usb, - USB_IFACE_USART3_STREAM, - USB_STR_USART3_STREAM_NAME, - USB_EP_USART3_STREAM, - USB_STREAM_RX_SIZE, - USB_STREAM_TX_SIZE, - usb_to_usart3, - usart3_to_usb) + USART_CONFIG(usart3_hw, usart_rx_interrupt, usart_tx_interrupt, 115200, + 0, usart3_to_usb, usb_to_usart3); +USB_STREAM_CONFIG(usart3_usb, USB_IFACE_USART3_STREAM, + USB_STR_USART3_STREAM_NAME, USB_EP_USART3_STREAM, + USB_STREAM_RX_SIZE, USB_STREAM_TX_SIZE, usb_to_usart3, + usart3_to_usb) /****************************************************************************** * Forward USART4 as a simple USB serial interface. @@ -231,44 +220,34 @@ USB_STREAM_CONFIG(usart3_usb, static struct usart_config const usart4; struct usb_stream_config const usart4_usb; -static struct queue const usart4_to_usb = QUEUE_DIRECT(64, uint8_t, - usart4.producer, usart4_usb.consumer); -static struct queue const usb_to_usart4 = QUEUE_DIRECT(64, uint8_t, - usart4_usb.producer, usart4.consumer); +static struct queue const usart4_to_usb = + QUEUE_DIRECT(64, uint8_t, usart4.producer, usart4_usb.consumer); +static struct queue const usb_to_usart4 = + QUEUE_DIRECT(64, uint8_t, usart4_usb.producer, usart4.consumer); static struct usart_config const usart4 = - USART_CONFIG(usart4_hw, - usart_rx_interrupt, - usart_tx_interrupt, - 9600, - 0, - usart4_to_usb, - usb_to_usart4); - -USB_STREAM_CONFIG(usart4_usb, - USB_IFACE_USART4_STREAM, - USB_STR_USART4_STREAM_NAME, - USB_EP_USART4_STREAM, - USB_STREAM_RX_SIZE, - USB_STREAM_TX_SIZE, - usb_to_usart4, - usart4_to_usb) + USART_CONFIG(usart4_hw, usart_rx_interrupt, usart_tx_interrupt, 9600, 0, + usart4_to_usb, usb_to_usart4); + +USB_STREAM_CONFIG(usart4_usb, USB_IFACE_USART4_STREAM, + USB_STR_USART4_STREAM_NAME, USB_EP_USART4_STREAM, + USB_STREAM_RX_SIZE, USB_STREAM_TX_SIZE, usb_to_usart4, + usart4_to_usb) /* * Define usb interface descriptor for the `EMPTY` usb interface, to satisfy * UEFI and kernel requirements (see b/183857501). */ -const struct usb_interface_descriptor -USB_IFACE_DESC(USB_IFACE_EMPTY) = { - .bLength = USB_DT_INTERFACE_SIZE, - .bDescriptorType = USB_DT_INTERFACE, - .bInterfaceNumber = USB_IFACE_EMPTY, - .bAlternateSetting = 0, - .bNumEndpoints = 0, - .bInterfaceClass = USB_CLASS_VENDOR_SPEC, +const struct usb_interface_descriptor USB_IFACE_DESC(USB_IFACE_EMPTY) = { + .bLength = USB_DT_INTERFACE_SIZE, + .bDescriptorType = USB_DT_INTERFACE, + .bInterfaceNumber = USB_IFACE_EMPTY, + .bAlternateSetting = 0, + .bNumEndpoints = 0, + .bInterfaceClass = USB_CLASS_VENDOR_SPEC, .bInterfaceSubClass = 0, .bInterfaceProtocol = 0, - .iInterface = 0, + .iInterface = 0, }; /****************************************************************************** @@ -276,39 +255,38 @@ USB_IFACE_DESC(USB_IFACE_EMPTY) = { */ const void *const usb_strings[] = { - [USB_STR_DESC] = usb_string_desc, - [USB_STR_VENDOR] = USB_STRING_DESC("Google Inc."), - [USB_STR_PRODUCT] = USB_STRING_DESC("Servo V4"), - [USB_STR_SERIALNO] = USB_STRING_DESC("1234-a"), - [USB_STR_VERSION] = USB_STRING_DESC(CROS_EC_VERSION32), - [USB_STR_I2C_NAME] = USB_STRING_DESC("I2C"), + [USB_STR_DESC] = usb_string_desc, + [USB_STR_VENDOR] = USB_STRING_DESC("Google LLC"), + [USB_STR_PRODUCT] = USB_STRING_DESC("Servo V4"), + [USB_STR_SERIALNO] = USB_STRING_DESC("1234-a"), + [USB_STR_VERSION] = USB_STRING_DESC(CROS_EC_VERSION32), + [USB_STR_I2C_NAME] = USB_STRING_DESC("I2C"), [USB_STR_CONSOLE_NAME] = USB_STRING_DESC("Servo EC Shell"), - [USB_STR_USART3_STREAM_NAME] = USB_STRING_DESC("DUT UART"), - [USB_STR_USART4_STREAM_NAME] = USB_STRING_DESC("Atmega UART"), - [USB_STR_UPDATE_NAME] = USB_STRING_DESC("Firmware update"), + [USB_STR_USART3_STREAM_NAME] = USB_STRING_DESC("DUT UART"), + [USB_STR_USART4_STREAM_NAME] = USB_STRING_DESC("Atmega UART"), + [USB_STR_UPDATE_NAME] = USB_STRING_DESC("Firmware update"), }; BUILD_ASSERT(ARRAY_SIZE(usb_strings) == USB_STR_COUNT); - - /****************************************************************************** * Support I2C bridging over USB. */ /* I2C ports */ const struct i2c_port_t i2c_ports[] = { - { - .name = "master", - .port = I2C_PORT_MASTER, - .kbps = 100, - .scl = GPIO_MASTER_I2C_SCL, - .sda = GPIO_MASTER_I2C_SDA - }, + { .name = "master", + .port = I2C_PORT_MASTER, + .kbps = 100, + .scl = GPIO_MASTER_I2C_SCL, + .sda = GPIO_MASTER_I2C_SDA }, }; const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); -int usb_i2c_board_is_enabled(void) { return 1; } +int usb_i2c_board_is_enabled(void) +{ + return 1; +} /****************************************************************************** * Initialize board. @@ -317,14 +295,13 @@ int usb_i2c_board_is_enabled(void) { return 1; } /* * Support tca6416 I2C ioexpander. */ -#define GPIOX_I2C_ADDR_FLAGS 0x20 -#define GPIOX_IN_PORT_A 0x0 -#define GPIOX_IN_PORT_B 0x1 -#define GPIOX_OUT_PORT_A 0x2 -#define GPIOX_OUT_PORT_B 0x3 -#define GPIOX_DIR_PORT_A 0x6 -#define GPIOX_DIR_PORT_B 0x7 - +#define GPIOX_I2C_ADDR_FLAGS 0x20 +#define GPIOX_IN_PORT_A 0x0 +#define GPIOX_IN_PORT_B 0x1 +#define GPIOX_OUT_PORT_A 0x2 +#define GPIOX_OUT_PORT_B 0x3 +#define GPIOX_DIR_PORT_A 0x6 +#define GPIOX_DIR_PORT_B 0x7 /* Write a GPIO output on the tca6416 I2C ioexpander. */ static void write_ioexpander(int bank, int gpio, int val) @@ -394,15 +371,15 @@ static void init_ioexpander(void) * Max observed USB low across sampled systems: 666mV * Min observed USB high across sampled systems: 3026mV */ -#define GND_MAX_MV 700 -#define USB_HIGH_MV 2500 -#define SBU_DIRECT 0 -#define SBU_FLIP 1 +#define GND_MAX_MV 700 +#define USB_HIGH_MV 2500 +#define SBU_DIRECT 0 +#define SBU_FLIP 1 -#define MODE_SBU_DISCONNECT 0 -#define MODE_SBU_CONNECT 1 -#define MODE_SBU_FLIP 2 -#define MODE_SBU_OTHER 3 +#define MODE_SBU_DISCONNECT 0 +#define MODE_SBU_CONNECT 1 +#define MODE_SBU_FLIP 2 +#define MODE_SBU_OTHER 3 static void ccd_measure_sbu(void); DECLARE_DEFERRED(ccd_measure_sbu); @@ -445,12 +422,12 @@ static void ccd_measure_sbu(void) } else { count++; } - /* - * If SuzyQ is enabled, we'll poll for a persistent no-signal for - * 500ms. Since USB is differential, we should never see GND/GND - * while the device is connected. - * If disconnected, electrically remove SuzyQ. - */ + /* + * If SuzyQ is enabled, we'll poll for a persistent no-signal + * for 500ms. Since USB is differential, we should never see + * GND/GND while the device is connected. If disconnected, + * electrically remove SuzyQ. + */ } else if ((mux_en) && (sbu1 < GND_MAX_MV) && (sbu2 < GND_MAX_MV)) { /* Check for SBU disconnect if connected. */ if (last != MODE_SBU_DISCONNECT) { |