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2bf7b457 AF |
1 | /* |
2 | * I2C libqos | |
3 | * | |
4 | * Copyright (c) 2012 Andreas Färber | |
5 | * | |
6 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
7 | * See the COPYING file in the top-level directory. | |
8 | */ | |
9 | #ifndef LIBQOS_I2C_H | |
10 | #define LIBQOS_I2C_H | |
11 | ||
f1dfd507 | 12 | #include "libqtest.h" |
c0825c63 | 13 | #include "libqos/qgraph.h" |
2bf7b457 AF |
14 | |
15 | typedef struct I2CAdapter I2CAdapter; | |
16 | struct I2CAdapter { | |
17 | void (*send)(I2CAdapter *adapter, uint8_t addr, | |
18 | const uint8_t *buf, uint16_t len); | |
19 | void (*recv)(I2CAdapter *adapter, uint8_t addr, | |
20 | uint8_t *buf, uint16_t len); | |
f1dfd507 EB |
21 | |
22 | QTestState *qts; | |
2bf7b457 AF |
23 | }; |
24 | ||
06599472 PB |
25 | typedef struct QI2CAddress QI2CAddress; |
26 | struct QI2CAddress { | |
27 | uint8_t addr; | |
28 | }; | |
29 | ||
c0825c63 PB |
30 | typedef struct QI2CDevice QI2CDevice; |
31 | struct QI2CDevice { | |
32 | /* | |
33 | * For now, all devices are simple enough that there is no need for | |
34 | * them to define their own constructor and get_driver functions. | |
35 | * Therefore, QOSGraphObject is included directly in QI2CDevice; | |
36 | * the tests expect to get a QI2CDevice rather than doing something | |
37 | * like obj->get_driver("i2c-device"). | |
38 | * | |
39 | * In fact there is no i2c-device interface even, because there are | |
40 | * no generic I2C tests). | |
41 | */ | |
42 | QOSGraphObject obj; | |
43 | I2CAdapter *bus; | |
06599472 | 44 | uint8_t addr; |
c0825c63 PB |
45 | }; |
46 | ||
c0825c63 | 47 | void *i2c_device_create(void *i2c_bus, QGuestAllocator *alloc, void *addr); |
06599472 | 48 | void add_qi2c_address(QOSGraphEdgeOptions *opts, QI2CAddress *addr); |
c0825c63 | 49 | |
06599472 PB |
50 | void i2c_send(QI2CDevice *dev, const uint8_t *buf, uint16_t len); |
51 | void i2c_recv(QI2CDevice *dev, uint8_t *buf, uint16_t len); | |
2bf7b457 | 52 | |
06599472 | 53 | void i2c_read_block(QI2CDevice *dev, uint8_t reg, |
e8ecb706 | 54 | uint8_t *buf, uint16_t len); |
06599472 | 55 | void i2c_write_block(QI2CDevice *dev, uint8_t reg, |
e8ecb706 | 56 | const uint8_t *buf, uint16_t len); |
06599472 PB |
57 | uint8_t i2c_get8(QI2CDevice *dev, uint8_t reg); |
58 | uint16_t i2c_get16(QI2CDevice *dev, uint8_t reg); | |
59 | void i2c_set8(QI2CDevice *dev, uint8_t reg, uint8_t value); | |
60 | void i2c_set16(QI2CDevice *dev, uint8_t reg, uint16_t value); | |
e8ecb706 | 61 | |
732c919c PB |
62 | /* i2c-omap.c */ |
63 | typedef struct OMAPI2C { | |
c0825c63 | 64 | QOSGraphObject obj; |
732c919c PB |
65 | I2CAdapter parent; |
66 | ||
67 | uint64_t addr; | |
68 | } OMAPI2C; | |
69 | ||
70 | void omap_i2c_init(OMAPI2C *s, QTestState *qts, uint64_t addr); | |
732c919c PB |
71 | |
72 | /* i2c-imx.c */ | |
73 | typedef struct IMXI2C { | |
c0825c63 | 74 | QOSGraphObject obj; |
732c919c PB |
75 | I2CAdapter parent; |
76 | ||
77 | uint64_t addr; | |
78 | } IMXI2C; | |
2bf7b457 | 79 | |
732c919c | 80 | void imx_i2c_init(IMXI2C *s, QTestState *qts, uint64_t addr); |
7f398627 | 81 | |
2bf7b457 | 82 | #endif |