diff options
Diffstat (limited to 'src/usr/i2c/i2c.H')
| -rwxr-xr-x | src/usr/i2c/i2c.H | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/usr/i2c/i2c.H b/src/usr/i2c/i2c.H index 8413ef9b0..e400e2756 100755 --- a/src/usr/i2c/i2c.H +++ b/src/usr/i2c/i2c.H @@ -154,6 +154,7 @@ enum i2c_reg_offset_t I2C_REG_INTERRUPT = 6, I2C_REG_STATUS = 7, I2C_REG_RESET = 7, + I2C_REG_RESET_ERRORS= 8, I2C_REG_SET_SCL = 9, I2C_REG_RESET_SCL = 11, I2C_REG_SET_SDA = 12, @@ -542,6 +543,19 @@ errlHndl_t fsi_i2cPerformOp( DeviceFW::OperationType i_opType, va_list i_args ); /** + * @brief This function sets the Host vs FSI switches if the user has not + * already. + * + * param[in] i_target - The target device + * + * @param[in/out] io_args - The argument object to set the switches for + * + * @return void + */ +void i2cSetSwitches( TARGETING::Target * i_target, + misc_args_t & io_args); + +/** * * @brief Performs the actual I2C operation. * NOTE: This function handles the MUTEX used to avoid deadlocks. @@ -643,6 +657,23 @@ errlHndl_t i2cSetup ( TARGETING::Target * i_target, size_t & i_buflen, misc_args_t & i_args); + +/** + * @brief This function gets the appropriate engine mutex for a given target. + * + * @param[in] i_target - The target to get the mutex for. + * + * @param[in] i_args - Structure containing arguments needed to determine + * the correct engine mutex. + * + * @param[in/out] i_engineLock - The mutex. + * + * @return bool - True if valid mutex is found, False otherwise. + */ +bool i2cGetEngineMutex( TARGETING::Target * i_target, + misc_args_t & i_args, + mutex_t *& i_engineLock ); + /** * @brief This function will wait for the command to be complete or * timeout waiting before returning. @@ -712,6 +743,20 @@ errlHndl_t i2cWaitForFifoSpace ( TARGETING::Target * i_target, misc_args_t & i_args); /** + * @brief This function manually sends a stop signal + * + * @param[in] i_target - The i2c Target + * + * @param[in] i_args - Structure containing argumets needed for a command + * transaction + * + * @return errHndl_t - NULL if successful, otherwise a pointer to the error + * log. + */ +errlHndl_t i2cSendStopSignal(TARGETING::Target * i_target, + misc_args_t & i_args); + +/** * @brief This function will reset the I2C Master engine specified * by the args. It will also then initiate a Stop cmd to the * slave device. |
