diff options
| author | Bartosz Golaszewski <bartekgola@gmail.com> | 2015-09-04 10:35:22 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2015-09-21 13:15:00 +0200 |
| commit | d9892fa0c3abf28b71996e5bc7c133f29f987a7b (patch) | |
| tree | 49f13b7de5f863ff69ab62cc340a2735087e098c /miscutils | |
| parent | 8aa7cf305ba5133721aa9852b398cbf1867fc857 (diff) | |
| download | busybox-w32-d9892fa0c3abf28b71996e5bc7c133f29f987a7b.tar.gz busybox-w32-d9892fa0c3abf28b71996e5bc7c133f29f987a7b.tar.bz2 busybox-w32-d9892fa0c3abf28b71996e5bc7c133f29f987a7b.zip | |
i2c-tools: remove duplicate definitions
Most applets include linux' user API headers instead of duplicating
the definitions. Make it the case for i2c-tools as well.
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils')
| -rw-r--r-- | miscutils/i2c_tools.c | 102 |
1 files changed, 2 insertions, 100 deletions
diff --git a/miscutils/i2c_tools.c b/miscutils/i2c_tools.c index 38d90ff10..b78860277 100644 --- a/miscutils/i2c_tools.c +++ b/miscutils/i2c_tools.c | |||
| @@ -61,113 +61,15 @@ | |||
| 61 | 61 | ||
| 62 | #include "libbb.h" | 62 | #include "libbb.h" |
| 63 | 63 | ||
| 64 | /* | 64 | #include <linux/i2c.h> |
| 65 | * /dev/i2c-X ioctl commands. The ioctl's parameter is always an unsigned long, | 65 | #include <linux/i2c-dev.h> |
| 66 | * except for: | ||
| 67 | * - I2C_FUNCS, takes pointer to an unsigned long | ||
| 68 | * - I2C_RDWR, takes pointer to struct i2c_rdwr_ioctl_data | ||
| 69 | * - I2C_SMBUS, takes pointer to struct i2c_smbus_ioctl_data | ||
| 70 | */ | ||
| 71 | |||
| 72 | /* | ||
| 73 | * NOTE: Slave address is 7 or 10 bits, but 10-bit addresses | ||
| 74 | * are not supported due to code brokenness. | ||
| 75 | */ | ||
| 76 | |||
| 77 | /* Use this slave address. */ | ||
| 78 | #define I2C_SLAVE 0x0703 | ||
| 79 | /* Use this slave address, even if it is already in use by a driver. */ | ||
| 80 | #define I2C_SLAVE_FORCE 0x0706 | ||
| 81 | /* 0 for 7 bit addrs, != 0 for 10 bit. */ | ||
| 82 | #define I2C_TENBIT 0x0704 | ||
| 83 | /* Get the adapter functionality mask. */ | ||
| 84 | #define I2C_FUNCS 0x0705 | ||
| 85 | /* Combined R/W transfer (one STOP only). */ | ||
| 86 | #define I2C_RDWR 0x0707 | ||
| 87 | /* != 0 to use PEC with SMBus. */ | ||
| 88 | #define I2C_PEC 0x0708 | ||
| 89 | /* SMBus transfer. */ | ||
| 90 | #define I2C_SMBUS 0x0720 | ||
| 91 | |||
| 92 | /* Structure used in the I2C_SMBUS ioctl call. */ | ||
| 93 | struct i2c_smbus_ioctl_data { | ||
| 94 | uint8_t read_write; | ||
| 95 | uint8_t command; | ||
| 96 | uint32_t size; | ||
| 97 | union i2c_smbus_data *data; | ||
| 98 | }; | ||
| 99 | 66 | ||
| 100 | /* Structure used in the I2C_RDWR ioctl call. */ | ||
| 101 | struct i2c_rdwr_ioctl_data { | ||
| 102 | struct i2c_msg *msgs; /* Pointers to i2c_msgs. */ | ||
| 103 | uint32_t nmsgs; /* Number of i2c_msgs. */ | ||
| 104 | }; | ||
| 105 | |||
| 106 | /* As specified in SMBus standard. */ | ||
| 107 | #define I2C_SMBUS_BLOCK_MAX 32 | ||
| 108 | /* Not specified but we use same structure. */ | ||
| 109 | #define I2C_SMBUS_I2C_BLOCK_MAX 32 | ||
| 110 | |||
| 111 | /* Data for SMBus Messages. */ | ||
| 112 | union i2c_smbus_data { | ||
| 113 | uint8_t byte; | ||
| 114 | uint16_t word; | ||
| 115 | /* block[0] is used for length and one more for PEC */ | ||
| 116 | uint8_t block[I2C_SMBUS_BLOCK_MAX + 2]; | ||
| 117 | }; | ||
| 118 | |||
| 119 | #define I2C_RDRW_IOCTL_MAX_MSGS 42 | ||
| 120 | #define I2C_MAX_REGS 256 | 67 | #define I2C_MAX_REGS 256 |
| 121 | 68 | ||
| 122 | /* Smbus_access read or write markers. */ | ||
| 123 | #define I2C_SMBUS_READ 1 | ||
| 124 | #define I2C_SMBUS_WRITE 0 | ||
| 125 | |||
| 126 | /* SMBus transaction types (size parameter in the below functions). */ | ||
| 127 | #define I2C_SMBUS_QUICK 0 | ||
| 128 | #define I2C_SMBUS_BYTE 1 | ||
| 129 | #define I2C_SMBUS_BYTE_DATA 2 | ||
| 130 | #define I2C_SMBUS_WORD_DATA 3 | ||
| 131 | #define I2C_SMBUS_PROC_CALL 4 | ||
| 132 | #define I2C_SMBUS_BLOCK_DATA 5 | ||
| 133 | #define I2C_SMBUS_I2C_BLOCK_BROKEN 6 | ||
| 134 | #define I2C_SMBUS_BLOCK_PROC_CALL 7 | ||
| 135 | #define I2C_SMBUS_I2C_BLOCK_DATA 8 | ||
| 136 | |||
| 137 | #define DETECT_MODE_AUTO 0 | 69 | #define DETECT_MODE_AUTO 0 |
| 138 | #define DETECT_MODE_QUICK 1 | 70 | #define DETECT_MODE_QUICK 1 |
| 139 | #define DETECT_MODE_READ 2 | 71 | #define DETECT_MODE_READ 2 |
| 140 | 72 | ||
| 141 | /* Defines to determine what functionality is present. */ | ||
| 142 | #define I2C_FUNC_I2C 0x00000001 | ||
| 143 | #define I2C_FUNC_10BIT_ADDR 0x00000002 | ||
| 144 | #define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 | ||
| 145 | #define I2C_FUNC_SMBUS_PEC 0x00000008 | ||
| 146 | #define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 | ||
| 147 | #define I2C_FUNC_SMBUS_QUICK 0x00010000 | ||
| 148 | #define I2C_FUNC_SMBUS_READ_BYTE 0x00020000 | ||
| 149 | #define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000 | ||
| 150 | #define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000 | ||
| 151 | #define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000 | ||
| 152 | #define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000 | ||
| 153 | #define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000 | ||
| 154 | #define I2C_FUNC_SMBUS_PROC_CALL 0x00800000 | ||
| 155 | #define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000 | ||
| 156 | #define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000 | ||
| 157 | #define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 | ||
| 158 | #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 | ||
| 159 | |||
| 160 | #define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | \ | ||
| 161 | I2C_FUNC_SMBUS_WRITE_BYTE) | ||
| 162 | #define I2C_FUNC_SMBUS_BYTE_DATA (I2C_FUNC_SMBUS_READ_BYTE_DATA | \ | ||
| 163 | I2C_FUNC_SMBUS_WRITE_BYTE_DATA) | ||
| 164 | #define I2C_FUNC_SMBUS_WORD_DATA (I2C_FUNC_SMBUS_READ_WORD_DATA | \ | ||
| 165 | I2C_FUNC_SMBUS_WRITE_WORD_DATA) | ||
| 166 | #define I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA | \ | ||
| 167 | I2C_FUNC_SMBUS_WRITE_BLOCK_DATA) | ||
| 168 | #define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | \ | ||
| 169 | I2C_FUNC_SMBUS_WRITE_I2C_BLOCK) | ||
| 170 | |||
| 171 | /* | 73 | /* |
| 172 | * This is needed for ioctl_or_perror_and_die() since it only accepts pointers. | 74 | * This is needed for ioctl_or_perror_and_die() since it only accepts pointers. |
| 173 | */ | 75 | */ |
