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93198b6cad
smbus.c and smbus.h had device side code, master side code, and smbus.h has some smbus_eeprom.c definitions. Split them into separate files. Signed-off-by: Corey Minyard <cminyard@mvista.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
56 lines
2.3 KiB
C
56 lines
2.3 KiB
C
/*
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* QEMU SMBus host (master) API
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*
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* Copyright (c) 2007 Arastra, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef HW_SMBUS_MASTER_H
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#define HW_SMBUS_MASTER_H
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#include "hw/i2c/i2c.h"
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/* Master device commands. */
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int smbus_quick_command(I2CBus *bus, uint8_t addr, int read);
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int smbus_receive_byte(I2CBus *bus, uint8_t addr);
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int smbus_send_byte(I2CBus *bus, uint8_t addr, uint8_t data);
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int smbus_read_byte(I2CBus *bus, uint8_t addr, uint8_t command);
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int smbus_write_byte(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t data);
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int smbus_read_word(I2CBus *bus, uint8_t addr, uint8_t command);
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int smbus_write_word(I2CBus *bus, uint8_t addr, uint8_t command, uint16_t data);
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/*
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* Do a block transfer from an I2C device. If recv_len is set, then the
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* first received byte is a length field and is used to know how much data
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* to receive. Otherwise receive "len" bytes. If send_cmd is set, send
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* the command byte first before receiving the data.
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*/
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int smbus_read_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data,
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int len, bool recv_len, bool send_cmd);
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/*
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* Do a block transfer to an I2C device. If send_len is set, send the
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* "len" value before the data.
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*/
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int smbus_write_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data,
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int len, bool send_len);
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#endif
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