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authorGravatar Bartosz Golaszewski <bartekgola@gmail.com>2015-09-04 10:35:22 +0200
committerGravatar Denys Vlasenko <vda.linux@googlemail.com>2015-09-21 13:15:00 +0200
commitd9892fa0c3abf28b71996e5bc7c133f29f987a7b (patch)
tree49f13b7de5f863ff69ab62cc340a2735087e098c /miscutils/i2c_tools.c
parent8aa7cf305ba5133721aa9852b398cbf1867fc857 (diff)
downloadbusybox-d9892fa0c3abf28b71996e5bc7c133f29f987a7b.tar.gz
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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/i2c_tools.c')
-rw-r--r--miscutils/i2c_tools.c102
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 @@
#include "libbb.h"
-/*
- * /dev/i2c-X ioctl commands. The ioctl's parameter is always an unsigned long,
- * except for:
- * - I2C_FUNCS, takes pointer to an unsigned long
- * - I2C_RDWR, takes pointer to struct i2c_rdwr_ioctl_data
- * - I2C_SMBUS, takes pointer to struct i2c_smbus_ioctl_data
- */
-
-/*
- * NOTE: Slave address is 7 or 10 bits, but 10-bit addresses
- * are not supported due to code brokenness.
- */
-
-/* Use this slave address. */
-#define I2C_SLAVE 0x0703
-/* Use this slave address, even if it is already in use by a driver. */
-#define I2C_SLAVE_FORCE 0x0706
-/* 0 for 7 bit addrs, != 0 for 10 bit. */
-#define I2C_TENBIT 0x0704
-/* Get the adapter functionality mask. */
-#define I2C_FUNCS 0x0705
-/* Combined R/W transfer (one STOP only). */
-#define I2C_RDWR 0x0707
-/* != 0 to use PEC with SMBus. */
-#define I2C_PEC 0x0708
-/* SMBus transfer. */
-#define I2C_SMBUS 0x0720
-
-/* Structure used in the I2C_SMBUS ioctl call. */
-struct i2c_smbus_ioctl_data {
- uint8_t read_write;
- uint8_t command;
- uint32_t size;
- union i2c_smbus_data *data;
-};
+#include <linux/i2c.h>
+#include <linux/i2c-dev.h>
-/* Structure used in the I2C_RDWR ioctl call. */
-struct i2c_rdwr_ioctl_data {
- struct i2c_msg *msgs; /* Pointers to i2c_msgs. */
- uint32_t nmsgs; /* Number of i2c_msgs. */
-};
-
-/* As specified in SMBus standard. */
-#define I2C_SMBUS_BLOCK_MAX 32
-/* Not specified but we use same structure. */
-#define I2C_SMBUS_I2C_BLOCK_MAX 32
-
-/* Data for SMBus Messages. */
-union i2c_smbus_data {
- uint8_t byte;
- uint16_t word;
- /* block[0] is used for length and one more for PEC */
- uint8_t block[I2C_SMBUS_BLOCK_MAX + 2];
-};
-
-#define I2C_RDRW_IOCTL_MAX_MSGS 42
#define I2C_MAX_REGS 256
-/* Smbus_access read or write markers. */
-#define I2C_SMBUS_READ 1
-#define I2C_SMBUS_WRITE 0
-
-/* SMBus transaction types (size parameter in the below functions). */
-#define I2C_SMBUS_QUICK 0
-#define I2C_SMBUS_BYTE 1
-#define I2C_SMBUS_BYTE_DATA 2
-#define I2C_SMBUS_WORD_DATA 3
-#define I2C_SMBUS_PROC_CALL 4
-#define I2C_SMBUS_BLOCK_DATA 5
-#define I2C_SMBUS_I2C_BLOCK_BROKEN 6
-#define I2C_SMBUS_BLOCK_PROC_CALL 7
-#define I2C_SMBUS_I2C_BLOCK_DATA 8
-
#define DETECT_MODE_AUTO 0
#define DETECT_MODE_QUICK 1
#define DETECT_MODE_READ 2
-/* Defines to determine what functionality is present. */
-#define I2C_FUNC_I2C 0x00000001
-#define I2C_FUNC_10BIT_ADDR 0x00000002
-#define I2C_FUNC_PROTOCOL_MANGLING 0x00000004
-#define I2C_FUNC_SMBUS_PEC 0x00000008
-#define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000
-#define I2C_FUNC_SMBUS_QUICK 0x00010000
-#define I2C_FUNC_SMBUS_READ_BYTE 0x00020000
-#define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000
-#define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000
-#define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000
-#define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000
-#define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000
-#define I2C_FUNC_SMBUS_PROC_CALL 0x00800000
-#define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000
-#define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
-#define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000
-#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000
-
-#define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | \
- I2C_FUNC_SMBUS_WRITE_BYTE)
-#define I2C_FUNC_SMBUS_BYTE_DATA (I2C_FUNC_SMBUS_READ_BYTE_DATA | \
- I2C_FUNC_SMBUS_WRITE_BYTE_DATA)
-#define I2C_FUNC_SMBUS_WORD_DATA (I2C_FUNC_SMBUS_READ_WORD_DATA | \
- I2C_FUNC_SMBUS_WRITE_WORD_DATA)
-#define I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA | \
- I2C_FUNC_SMBUS_WRITE_BLOCK_DATA)
-#define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | \
- I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)
-
/*
* This is needed for ioctl_or_perror_and_die() since it only accepts pointers.
*/