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author | Andreas Sandberg <andreas.sandberg@arm.com> | 2015-12-10 10:35:18 +0000 |
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committer | Andreas Sandberg <andreas.sandberg@arm.com> | 2015-12-10 10:35:18 +0000 |
commit | ef097ac4381ad2f14acda640ae198f04d9f7988d (patch) | |
tree | f527859d2309feebc2c5947542dad529ebfc21f5 /src/dev/i2cdev.hh | |
parent | 38e2860c36997858131dc47e1152bb583f68608e (diff) | |
download | gem5-ef097ac4381ad2f14acda640ae198f04d9f7988d.tar.xz |
dev: Move i2c functionality to src/dev/i2c/
--HG--
rename : src/dev/I2C.py => src/dev/i2c/I2C.py
rename : src/dev/i2cbus.cc => src/dev/i2c/bus.cc
rename : src/dev/i2cbus.hh => src/dev/i2c/bus.hh
rename : src/dev/i2cdev.hh => src/dev/i2c/device.hh
Diffstat (limited to 'src/dev/i2cdev.hh')
-rw-r--r-- | src/dev/i2cdev.hh | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/src/dev/i2cdev.hh b/src/dev/i2cdev.hh deleted file mode 100644 index d101483fd..000000000 --- a/src/dev/i2cdev.hh +++ /dev/null @@ -1,96 +0,0 @@ -/* - * Copyright (c) 2012 ARM Limited - * All rights reserved - * - * The license below extends only to copyright in the software and shall - * not be construed as granting a license to any other intellectual - * property including but not limited to intellectual property relating - * to a hardware implementation of the functionality of the software - * licensed hereunder. You may use the software subject to the license - * terms below provided that you ensure that this notice is replicated - * unmodified and in its entirety in all distributions of the software, - * modified or unmodified, in source code or in binary form. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.* - * - * Authors: Peter Enns - */ - - -/** @file - * All i2c devices should derive from this class. - */ - -#ifndef __DEV_I2CDEV__ -#define __DEV_I2CDEV__ - -#include "base/types.hh" -#include "params/I2CDevice.hh" -#include "sim/sim_object.hh" - -class I2CDevice : public SimObject -{ - - protected: - - uint8_t _addr; - - public: - - I2CDevice(const I2CDeviceParams* p) - : SimObject(p), _addr(p->i2c_addr) - { } - - virtual ~I2CDevice() { } - - /** - * Return the next message that the device expects to send. This - * will likely have side effects (e.g., incrementing a register - * pointer). - * - * @return 8-bit message the device has been set up to send - */ - virtual uint8_t read() = 0; - - /** - * Perform any actions triggered by an i2c write (save msg in a - * register, perform an interrupt, update a register pointer or - * command register, etc...) - * - * @param msg 8-bit message from master - */ - virtual void write(uint8_t msg) = 0; - - /** - * Perform any initialization necessary for the device when it - * received a start signal from the bus master (devices frequently - * expect the first write to be a register address) - */ - virtual void i2cStart() = 0; - - uint8_t i2cAddr() const { return _addr; } - -}; - -#endif // __DEV_I2CDEV__ |