/* * Copyright (C) 2016 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef _OS_API_H_ #define _OS_API_H_ #include #include struct I2cEventData { void *cookie; uint32_t tx; uint32_t rx; int err; }; union OsApiSlabItem { //main OS "things" slab must fit this struct I2cEventData i2cAppCbkEvt; struct { uint32_t toTid; void *cookie; } i2cAppCbkInfo; }; //EXTERNAL API //level 1 indices in the OS table #define SYSCALL_OS_MAIN 0 #define SYSCALL_OS_DRIVERS 1 #define SYSCALL_OS_LAST 2 // always last. holes are allowed, but not immediately before this //level 2 indices in the OS.drivers table #define SYSCALL_OS_DRV_GPIO 0 #define SYSCALL_OS_DRV_I2C_MASTER 1 #define SYSCALL_OS_DRV_I2C_SLAVE 2 #define SYSCALL_OS_DRV_LAST 3 // always last. holes are allowed, but not immediately before this //level 3 indices in the OS.drivers.gpio table /* more thing here eventually */ #define SYSCALL_OS_DRV_GPIO_REQ 0 // (uint32_t gpioNum) -> void* handle #define SYSCALL_OS_DRV_GPIO_REL 1 // (handle) -> void #define SYSCALL_OS_DRV_GPIO_CFG_IN 2 // (handle, i32 gpioSpeed, GpioPullMode pull) -> void #define SYSCALL_OS_DRV_GPIO_CFG_OUT 3 // (handle, i32 gpioSpeed, GpioPullMode pull, GpioOpenDrainMode output, bool value) -> void #define SYSCALL_OS_DRV_GPIO_CFG_ALT 4 // (handle, i32 gpioSpeed, GpioPullMode pull, GpioOpenDrainMode output, u32 altFunc) -> void #define SYSCALL_OS_DRV_GPIO_GET 5 // (handle) -> bool isHigh #define SYSCALL_OS_DRV_GPIO_SET 6 // (handle, bool value) -> void #define SYSCALL_OS_DRV_GPIO_LAST 7 // always last. holes are allowed, but not immediately before this //level 3 indices in the OS.drivers.i2cM table #define SYSCALL_OS_DRV_I2CM_REQ 0 // (I2cBus busId, I2cSpeed speed) -> int status #define SYSCALL_OS_DRV_I2CM_REL 1 // (I2cBus busId) -> int status #define SYSCALL_OS_DRV_I2CM_TXRX 2 // (I2cBus busId, I2cAddr addr, const void *txBuf, size_t txSize, void *rxBuf, size_t rxSize, uint32_t yourTidForEvts, void *cookie) -> int status #define SYSCALL_OS_DRV_I2CM_LAST 3 // always last. holes are allowed, but not immediately before this //level 3 indices in the OS.drivers.i2cS table #define SYSCALL_OS_DRV_I2CS_REQ 0 // (I2cBus busId, I2cAddr addr) -> int status #define SYSCALL_OS_DRV_I2CS_REL 1 // (I2cBus busId) -> int status #define SYSCALL_OS_DRV_I2CS_RX_EN 2 // (I2cBus busId, void *rxBuf, size_t rxSize, uint32_t yourTidForEvts, void *cookie) -> void #define SYSCALL_OS_DRV_I2CS_TX_PRE 3 // (I2cBus busId, uint8_t byte, uint32_t yourTidForEvts, void *cookie) -> int status #define SYSCALL_OS_DRV_I2CS_TX_PKT 4 // (I2cBus busId, const void *txBuf, size_t txSize, uint32_t yourTidForEvts, void *cookie) -> int status #define SYSCALL_OS_DRV_I2CS_LAST 5 // always last. holes are allowed, but not immediately before this //level 2 indices in the OS.main table #define SYSCALL_OS_MAIN_EVENTQ 0 #define SYSCALL_OS_MAIN_LOGGING 1 #define SYSCALL_OS_MAIN_SENSOR 2 #define SYSCALL_OS_MAIN_TIME 3 #define SYSCALL_OS_MAIN_HEAP 4 #define SYSCALL_OS_MAIN_SLAB 5 #define SYSCALL_OS_MAIN_LAST 6 // always last. holes are allowed, but not immediately before this //level 3 indices in the OS.main.event_queue table #define SYSCALL_OS_MAIN_EVTQ_SUBCRIBE 0 // (uint32_t tid, uint32_t evtType) -> bool success #define SYSCALL_OS_MAIN_EVTQ_UNSUBCRIBE 1 // ((uint32_t tid, uint32_t evtType) -> bool success #define SYSCALL_OS_MAIN_EVTQ_ENQUEUE 2 // (uint32_t evtType, void *evtData, uint32_t tidForFreeEvt) -> bool success #define SYSCALL_OS_MAIN_EVTQ_ENQUEUE_PRIVATE 3 // (uint32_t evtType, void *evtData, uint32_t tidForFreeEvt, uint32_t toTid) -> bool success #define SYSCALL_OS_MAIN_EVTQ_RETAIN_EVT 4 // (TaggedPtr *evtFreeingInfoP) -> bool success #define SYSCALL_OS_MAIN_EVTQ_FREE_RETAINED 5 // (uint32_t evtType, void *evtData, TaggedPtr *evtFreeingInfoP) -> void #define SYSCALL_OS_MAIN_EVTQ_LAST 6 // always last. holes are allowed, but not immediately before this //level 3 indices in the OS.main.logging table #define SYSCALL_OS_MAIN_LOG_LOGV 0 // (enum LogLevel level, const char *str, va_list *) -> void #define SYSCALL_OS_MAIN_LOG_LAST 1 // always last. holes are allowed, but not immediately before this //level 3 indices in the OS.main.sensors table #define SYSCALL_OS_MAIN_SENSOR_SIGNAL 0 // (uint32_t handle, uint32_t intEvtNum, uint32_t value1, uint32_t value2_lo, uint32_t value2_hi) -> bool /* used by sensor-provding apps */ #define SYSCALL_OS_MAIN_SENSOR_REG 1 // (const struct SensorInfo *si, uint32_t tid) -> u32 handle #define SYSCALL_OS_MAIN_SENSOR_UNREG 2 // (uint32_t handle) -> bool #define SYSCALL_OS_MAIN_SENSOR_REG_INIT_COMP 3 // (uint32_t handle) -> bool #define SYSCALL_OS_MAIN_SENSOR_FIND 4 // (uint32_t sensorType, uint32_t idx, uint32_t *handleP) -> const struct SensorInfo* or NULL #define SYSCALL_OS_MAIN_SENSOR_REQUEST 5 // (uint32_t clientId, uint32_t sensorHandle, uint32_t rate) -> bool success #define SYSCALL_OS_MAIN_SENSOR_RATE_CHG 6 // (uint32_t clientId, uint32_t sensorHandle, uint32_t newRate) -> bool success #define SYSCALL_OS_MAIN_SENSOR_RELEASE 7 // (uint32_t clientId, uint32_t sensorHandle) -> bool success #define SYSCALL_OS_MAIN_SENSOR_TRIGGER 8 // (uint32_t clientId, uint32_t sensorHandle) -> bool success #define SYSCALL_OS_MAIN_SENSOR_GET_RATE 9 // (uint32_t sensorHandle) -> uint32_t rate #define SYSCALL_OS_MAIN_SENSOR_LAST 10 // always last. holes are allowed, but not immediately before this //level 3 indices in the OS.main.timer table #define SYSCALL_OS_MAIN_TIME_GET_TIME 0 // (uint64_t *timeNanos) -> void #define SYSCALL_OS_MAIN_TIME_SET_TIMER 1 // (uint32_t len_lo, uint32_t len_hi, uint32_t jitterPpm, uint32_t driftPpm, uint32_t tidForTimerEvt, void *cookie, bool oneshot) -> u32 timerId #define SYSCALL_OS_MAIN_TIME_CANCEL_TIMER 2 // (uint32_t timer_id) -> bool success #define SYSCALL_OS_MAIN_TIME_LAST 3 // always last. holes are allowed, but not immediately before this //level 3 indices in the OS.main.heap table #define SYSCALL_OS_MAIN_HEAP_ALLOC 0 // (uint32_t sz) -> void *mem #define SYSCALL_OS_MAIN_HEAP_FREE 1 // (void *mem) -> void #define SYSCALL_OS_MAIN_HEAP_LAST 2 // always last. holes are allowed, but not immediately before this //level 3 indices in the OS.main.slab table #define SYSCALL_OS_MAIN_SLAB_NEW 0 // (uint32_t itemSz, uint32_t itemAlign, uint32_t numItems) -> struct SlabAllocator *slab #define SYSCALL_OS_MAIN_SLAB_DESTROY 1 // (struct SlabAllocator *slab) -> void #define SYSCALL_OS_MAIN_SLAB_ALLOC 2 // (struct SlabAllocator *slab) -> void *mem #define SYSCALL_OS_MAIN_SLAB_FREE 3 // (struct SlabAllocator *slab, void *mem) -> void #define SYSCALL_OS_MAIN_SLAB_LAST 4 // always last. holes are allowed, but not immediately before this //called by os entry point to export the api void osApiExport(struct SlabAllocator *mainSlubAllocator); #endif