diff options
Diffstat (limited to 'board/hammer/board.c')
| -rw-r--r-- | board/hammer/board.c | 374 |
1 files changed, 0 insertions, 374 deletions
diff --git a/board/hammer/board.c b/board/hammer/board.c deleted file mode 100644 index b68498acfb..0000000000 --- a/board/hammer/board.c +++ /dev/null @@ -1,374 +0,0 @@ -/* Copyright 2016 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. - */ -/* Hammer board configuration */ - -#include "charger.h" -#include "clock.h" -#include "common.h" -#include "driver/charger/isl923x.h" -#include "driver/led/lm3630a.h" -#include "ec_version.h" -#include "ec_ec_comm_server.h" -#include "gpio.h" -#include "hooks.h" -#include "hwtimer.h" -#include "i2c.h" -#include "keyboard_raw.h" -#include "keyboard_scan.h" -#include "printf.h" -#include "pwm.h" -#include "pwm_chip.h" -#include "queue.h" -#include "queue_policies.h" -#include "registers.h" -#include "rollback.h" -#include "spi.h" -#include "system.h" -#include "tablet_mode.h" -#include "task.h" -#include "touchpad.h" -#include "timer.h" -#include "update_fw.h" -#include "usart-stm32f0.h" -#include "usart_tx_dma.h" -#include "usart_rx_dma.h" -#include "usb_api.h" -#include "usb_descriptor.h" -#include "usb_i2c.h" -#include "usb_spi.h" -#include "util.h" - -#include "gpio_list.h" - -#ifdef SECTION_IS_RW -#define CROS_EC_SECTION "RW" -#else -#define CROS_EC_SECTION "RO" -#endif - -#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ## args) - -/****************************************************************************** - * Define the strings used in our USB descriptors. - */ -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("Hammer"), - [USB_STR_SERIALNO] = 0, - [USB_STR_VERSION] = - USB_STRING_DESC(CROS_EC_SECTION ":" CROS_EC_VERSION32), - [USB_STR_I2C_NAME] = USB_STRING_DESC("I2C"), - [USB_STR_UPDATE_NAME] = USB_STRING_DESC("Firmware update"), -#ifdef CONFIG_USB_ISOCHRONOUS - [USB_STR_HEATMAP_NAME] = USB_STRING_DESC("Heatmap"), -#endif -}; - -BUILD_ASSERT(ARRAY_SIZE(usb_strings) == USB_STR_COUNT); - -/****************************************************************************** - * Support I2C bridging over USB. - */ - -#ifdef SECTION_IS_RW -#ifdef HAS_SPI_TOUCHPAD -/* SPI devices */ -const struct spi_device_t spi_devices[] = { - [SPI_ST_TP_DEVICE_ID] = { CONFIG_SPI_TOUCHPAD_PORT, 2, GPIO_SPI1_NSS }, -}; -const unsigned int spi_devices_used = ARRAY_SIZE(spi_devices); - -USB_SPI_CONFIG(usb_spi, USB_IFACE_I2C_SPI, USB_EP_I2C_SPI, 0); -/* SPI interface is always enabled, no need to do anything. */ -void usb_spi_board_enable(struct usb_spi_config const *config) {} -void usb_spi_board_disable(struct usb_spi_config const *config) {} -#endif /* !HAS_SPI_TOUCHPAD */ - -#ifdef CONFIG_I2C -/* I2C ports */ -const struct i2c_port_t i2c_ports[] = { - {"master", I2C_PORT_MASTER, 400, - GPIO_MASTER_I2C_SCL, GPIO_MASTER_I2C_SDA}, -#ifdef BOARD_WAND - {"charger", I2C_PORT_CHARGER, 100, - GPIO_CHARGER_I2C_SCL, GPIO_CHARGER_I2C_SDA}, -#endif -}; -const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); -#endif - -#ifdef CONFIG_CHARGER_ISL9238 -const struct charger_config_t chg_chips[] = { - { - .i2c_port = I2C_PORT_CHARGER, - .i2c_addr_flags = ISL923X_ADDR_FLAGS, - .drv = &isl923x_drv, - }, -}; - -#endif - -#ifdef HAS_BACKLIGHT -/* PWM channels. Must be in the exactly same order as in enum pwm_channel. */ -const struct pwm_t pwm_channels[] = { - {STM32_TIM(TIM_KBLIGHT), STM32_TIM_CH(1), 0, KBLIGHT_PWM_FREQ}, -}; -BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT); -#endif /* HAS_BACKLIGHT */ - -int usb_i2c_board_is_enabled(void) -{ - /* Disable I2C passthrough when the system is locked */ - return !system_is_locked(); -} - -__override struct keyboard_scan_config keyscan_config = { - .output_settle_us = 50, - .debounce_down_us = 9 * MSEC, - .debounce_up_us = 30 * MSEC, - .scan_period_us = 3 * MSEC, - .min_post_scan_delay_us = 1000, - .poll_timeout_us = 100 * MSEC, - .actual_key_mask = { - 0x3c, 0xff, 0xff, 0xff, 0xff, 0xf5, 0xff, - 0xa4, 0xff, 0xfe, 0x55, 0xfa, 0xca /* full set */ - }, -}; -#endif - -#if defined(BOARD_WAND) && defined(SECTION_IS_RW) -struct consumer const ec_ec_usart_consumer; -static struct usart_config const ec_ec_usart; - -struct queue const ec_ec_comm_server_input = QUEUE_DIRECT(64, uint8_t, - ec_ec_usart.producer, ec_ec_usart_consumer); -struct queue const ec_ec_comm_server_output = QUEUE_DIRECT(64, uint8_t, - null_producer, ec_ec_usart.consumer); - -struct consumer const ec_ec_usart_consumer = { - .queue = &ec_ec_comm_server_input, - .ops = &((struct consumer_ops const) { - .written = ec_ec_comm_server_written, - }), -}; - -static struct usart_config const ec_ec_usart = - USART_CONFIG(EC_EC_UART, - usart_rx_interrupt, - usart_tx_interrupt, - 115200, - USART_CONFIG_FLAG_HDSEL, - ec_ec_comm_server_input, - ec_ec_comm_server_output); -#endif /* BOARD_WAND && SECTION_IS_RW */ - -/****************************************************************************** - * Initialize board. - */ -static int has_keyboard_backlight; - -#ifdef SECTION_IS_RW -static void board_init(void) -{ -#ifdef HAS_BACKLIGHT - /* Detect keyboard backlight: pull-down means it is present. */ - has_keyboard_backlight = !gpio_get_level(GPIO_KEYBOARD_BACKLIGHT); - - CPRINTS("Backlight%s present", has_keyboard_backlight ? "" : " not"); -#endif /* HAS_BACKLIGHT */ - -#ifdef BOARD_WAND - /* USB to serial queues */ - queue_init(&ec_ec_comm_server_input); - queue_init(&ec_ec_comm_server_output); - - /* UART init */ - usart_init(&ec_ec_usart); -#endif /* BOARD_WAND */ - -#ifdef CONFIG_LED_DRIVER_LM3630A - lm3630a_poweron(); -#endif - -#ifdef HAS_SPI_TOUCHPAD - spi_enable(&spi_devices[SPI_ST_TP_DEVICE_ID], 0); - - /* Disable SPI passthrough when the system is locked */ - usb_spi_enable(&usb_spi, system_is_locked()); - - /* Set all four SPI pins to high speed */ - /* pins B3/5, A15 */ - STM32_GPIO_OSPEEDR(GPIO_B) |= 0x00000cc0; - STM32_GPIO_OSPEEDR(GPIO_A) |= 0xc0000000; - - /* Reset SPI1 */ - STM32_RCC_APB2RSTR |= STM32_RCC_PB2_SPI1; - STM32_RCC_APB2RSTR &= ~STM32_RCC_PB2_SPI1; - /* Enable clocks to SPI1 module */ - STM32_RCC_APB2ENR |= STM32_RCC_PB2_SPI1; - - clock_wait_bus_cycles(BUS_APB, 1); - /* Enable SPI for touchpad */ - gpio_config_module(MODULE_SPI_CONTROLLER, 1); - spi_enable(&spi_devices[SPI_ST_TP_DEVICE_ID], 1); -#endif /* HAS_SPI_TOUCHPAD */ -} -/* This needs to happen before PWM is initialized. */ -DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_INIT_PWM - 1); -#endif /* SECTION_IS_RW */ - -void board_config_pre_init(void) -{ - /* enable SYSCFG clock */ - STM32_RCC_APB2ENR |= BIT(0); - - /* Remap USART DMA to match the USART driver */ - /* - * the DMA mapping is : - * Chan 4 : USART1_TX - * Chan 5 : USART1_RX - */ - STM32_SYSCFG_CFGR1 |= BIT(9) | BIT(10); /* Remap USART1 RX/TX DMA */ -} - -int board_has_keyboard_backlight(void) -{ - return has_keyboard_backlight; -} - -#ifndef HAS_NO_TOUCHPAD -/* Reset the touchpad, mainly used to recover it from malfunction. */ -void board_touchpad_reset(void) -{ -#ifdef HAS_EN_PP3300_TP_ACTIVE_HIGH - gpio_set_level(GPIO_EN_PP3300_TP, 0); - msleep(100); - gpio_set_level(GPIO_EN_PP3300_TP, 1); - msleep(100); -#else - gpio_set_level(GPIO_EN_PP3300_TP_ODL, 1); - msleep(10); - gpio_set_level(GPIO_EN_PP3300_TP_ODL, 0); - msleep(10); -#endif -} -#endif /* !HAS_NO_TOUCHPAD */ - -#ifdef CONFIG_KEYBOARD_TABLET_MODE_SWITCH -static void board_tablet_mode_change(void) -{ - /* - * Turn off key scanning in tablet mode. - */ - if (tablet_get_mode()) - keyboard_scan_enable(0, KB_SCAN_DISABLE_LID_ANGLE); - else - keyboard_scan_enable(1, KB_SCAN_DISABLE_LID_ANGLE); -} -DECLARE_HOOK(HOOK_TABLET_MODE_CHANGE, board_tablet_mode_change, - HOOK_PRIO_DEFAULT); -/* Run after tablet_mode_init. */ -DECLARE_HOOK(HOOK_INIT, board_tablet_mode_change, HOOK_PRIO_DEFAULT+1); -#endif - -/* - * Get entropy based on Clock Recovery System, which is enabled on hammer to - * synchronize USB SOF with internal oscillator. - */ -int board_get_entropy(void *buffer, int len) -{ - int i = 0; - uint8_t *data = buffer; - uint32_t start; - /* We expect one SOF per ms, so wait at most 2ms. */ - const uint32_t timeout = 2*MSEC; - - for (i = 0; i < len; i++) { - STM32_CRS_ICR |= STM32_CRS_ICR_SYNCOKC; - start = __hw_clock_source_read(); - while (!(STM32_CRS_ISR & STM32_CRS_ISR_SYNCOKF)) { - if ((__hw_clock_source_read() - start) > timeout) - return 0; - usleep(500); - } - /* Pick 8 bits, including FEDIR and 7 LSB of FECAP. */ - data[i] = STM32_CRS_ISR >> 15; - } - - return 1; -} - -/* - * Generate a USB serial number from unique chip ID. - */ -__override const char *board_read_serial(void) -{ - static char str[CONFIG_SERIALNO_LEN]; - - if (str[0] == '\0') { - uint8_t *id; - int pos = 0; - int idlen = system_get_chip_unique_id(&id); - int i; - - for (i = 0; i < idlen && pos < sizeof(str); i++, pos += 2) { - snprintf(&str[pos], sizeof(str)-pos, - "%02x", id[i]); - } - } - - return str; -} - -__override int board_write_serial(const char *serialno) -{ - return 0; -} - -static const struct ec_response_keybd_config zed_kb = { - .num_top_row_keys = 10, - .action_keys = { - TK_BACK, - TK_REFRESH, - TK_FULLSCREEN, - TK_OVERVIEW, - TK_SNAPSHOT, - TK_BRIGHTNESS_DOWN, - TK_BRIGHTNESS_UP, - TK_VOL_MUTE, - TK_VOL_DOWN, - TK_VOL_UP, - }, - .capabilities = KEYBD_CAP_SCRNLOCK_KEY, -}; - -static const struct ec_response_keybd_config bland_kb = { - .num_top_row_keys = 10, - .action_keys = { - TK_BACK, - TK_REFRESH, - TK_FULLSCREEN, - TK_OVERVIEW, - TK_BRIGHTNESS_DOWN, - TK_BRIGHTNESS_UP, - TK_MICMUTE, - TK_VOL_MUTE, - TK_VOL_DOWN, - TK_VOL_UP, - }, - .capabilities = KEYBD_CAP_SCRNLOCK_KEY, -}; - -__override -const struct ec_response_keybd_config *board_vivaldi_keybd_config(void) -{ - if (IS_ENABLED(BOARD_ZED) || IS_ENABLED(BOARD_STAR)) - return &zed_kb; - if (IS_ENABLED(BOARD_BLAND) || IS_ENABLED(BOARD_EEL)) - return &bland_kb; - - return NULL; -} |