2 * QEMU SMBus EEPROM device
4 * Copyright (c) 2007 Arastra, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
29 typedef struct SMBusEEPROMDevice
{
35 static void eeprom_quick_cmd(SMBusDevice
*dev
, uint8_t read
)
38 printf("eeprom_quick_cmd: addr=0x%02x read=%d\n", dev
->addr
, read
);
42 static void eeprom_send_byte(SMBusDevice
*dev
, uint8_t val
)
44 SMBusEEPROMDevice
*eeprom
= (SMBusEEPROMDevice
*) dev
;
46 printf("eeprom_send_byte: addr=0x%02x val=0x%02x\n", dev
->addr
, val
);
51 static uint8_t eeprom_receive_byte(SMBusDevice
*dev
)
53 SMBusEEPROMDevice
*eeprom
= (SMBusEEPROMDevice
*) dev
;
54 uint8_t val
= eeprom
->data
[eeprom
->offset
++];
56 printf("eeprom_receive_byte: addr=0x%02x val=0x%02x\n", dev
->addr
, val
);
61 static void eeprom_write_byte(SMBusDevice
*dev
, uint8_t cmd
, uint8_t val
)
63 SMBusEEPROMDevice
*eeprom
= (SMBusEEPROMDevice
*) dev
;
65 printf("eeprom_write_byte: addr=0x%02x cmd=0x%02x val=0x%02x\n", dev
->addr
,
68 eeprom
->data
[cmd
] = val
;
71 static uint8_t eeprom_read_byte(SMBusDevice
*dev
, uint8_t cmd
)
73 SMBusEEPROMDevice
*eeprom
= (SMBusEEPROMDevice
*) dev
;
74 uint8_t val
= eeprom
->data
[cmd
];
76 printf("eeprom_read_byte: addr=0x%02x cmd=0x%02x val=0x%02x\n", dev
->addr
,
82 SMBusDevice
*smbus_eeprom_device_init(uint8_t addr
, uint8_t *buf
)
84 SMBusEEPROMDevice
*eeprom
= qemu_mallocz(sizeof(SMBusEEPROMDevice
));
85 eeprom
->dev
.addr
= addr
;
86 eeprom
->dev
.quick_cmd
= eeprom_quick_cmd
;
87 eeprom
->dev
.send_byte
= eeprom_send_byte
;
88 eeprom
->dev
.receive_byte
= eeprom_receive_byte
;
89 eeprom
->dev
.write_byte
= eeprom_write_byte
;
90 eeprom
->dev
.read_byte
= eeprom_read_byte
;
93 return (SMBusDevice
*) eeprom
;