1 files changed, 0 insertions, 171 deletions
diff --git a/gpxe/src/include/gpxe/i2c.h b/gpxe/src/include/gpxe/i2c.h
deleted file mode 100644
index 87b89d46..00000000
--- a/gpxe/src/include/gpxe/i2c.h
+++ /dev/null
@@ -1,171 +0,0 @@
-#ifndef _GPXE_I2C_H
-#define _GPXE_I2C_H
-
-/** @file
- *
- * I2C interface
- *
- */
-
-FILE_LICENCE ( GPL2_OR_LATER );
-
-#include <stdint.h>
-#include <gpxe/bitbash.h>
-
-/** An I2C device
- *
- * An I2C device represents a specific slave device on an I2C bus.  It
- * is accessed via an I2C interface.
- */
-struct i2c_device {
-	/** Address of this device
-	 *
-	 * The actual address sent on the bus will look like
-	 *
-	 *    <start> <device address> <word address overflow> <r/w>
-	 *
-	 * The "word address overflow" is any excess bits from the
-	 * word address, i.e. any portion that does not fit within the
-	 * defined word address length.
-	 */
-	unsigned int dev_addr;
-	/** Device address length, in bytes
-	 *
-	 * This is the number of bytes that comprise the device
-	 * address, defined to be the portion that terminates with the
-	 * read/write bit.
-	 */
-	unsigned int dev_addr_len;
-	/** Word adddress length, in bytes
-	 *
-	 * This is the number of bytes that comprise the word address,
-	 * defined to be the portion that starts after the read/write
-	 * bit and ends before the first data byte.
-	 *
-	 * For some devices, this length will be zero (i.e. the word
-	 * address is contained entirely within the "word address
-	 * overflow").
-	 */
-	unsigned int word_addr_len;
-};
-
-/** An I2C interface
- *
- * An I2C interface provides access to an I2C bus, via which I2C
- * devices may be reached.
- */
-struct i2c_interface {
-	/**
-	 * Read data from I2C device
-	 *
-	 * @v i2c		I2C interface
-	 * @v i2cdev		I2C device
-	 * @v offset		Starting offset within the device
-	 * @v data		Data buffer
-	 * @v len		Length of data buffer
-	 * @ret rc		Return status code
-	 */
-	int ( * read ) ( struct i2c_interface *i2c, struct i2c_device *i2cdev,
-			 unsigned int offset, uint8_t *data,
-			 unsigned int len );
-	/**
-	 * Write data to I2C device
-	 *
-	 * @v i2c		I2C interface
-	 * @v i2cdev		I2C device
-	 * @v offset		Starting offset within the device
-	 * @v data		Data buffer
-	 * @v len		Length of data buffer
-	 * @ret rc		Return status code
-	 */
-	int ( * write ) ( struct i2c_interface *i2c, struct i2c_device *i2cdev,
-			  unsigned int offset, const uint8_t *data,
-			  unsigned int len );
-};
-
-/** A bit-bashing I2C interface
- *
- * This provides a standardised way to construct I2C buses via a
- * bit-bashing interface.
- */
-struct i2c_bit_basher {
-	/** I2C interface */
-	struct i2c_interface i2c;
-	/** Bit-bashing interface */
-	struct bit_basher basher;
-};
-
-/** Ten-bit address marker
- *
- * This value is ORed with the I2C device address to indicate a
- * ten-bit address format on the bus.
- */
-#define I2C_TENBIT_ADDRESS 0x7800
-
-/** An I2C write command */
-#define I2C_WRITE 0
-
-/** An I2C read command */
-#define I2C_READ 1
-
-/** Bit indices used for I2C bit-bashing interface */
-enum {
-	/** Serial clock */
-	I2C_BIT_SCL = 0,
-	/** Serial data */
-	I2C_BIT_SDA,
-};
-
-/** Delay required for bit-bashing operation */
-#define I2C_UDELAY 5
-
-/** Maximum number of cycles to use when attempting a bus reset */
-#define I2C_RESET_MAX_CYCLES 32
-
-/**
- * Check presence of I2C device
- *
- * @v i2c		I2C interface
- * @v i2cdev		I2C device
- * @ret rc		Return status code
- *
- * Checks for the presence of the device on the I2C bus by attempting
- * a zero-length write.
- */
-static inline int i2c_check_presence ( struct i2c_interface *i2c,
-				       struct i2c_device *i2cdev ) {
-	return i2c->write ( i2c, i2cdev, 0, NULL, 0 );
-}
-
-extern int init_i2c_bit_basher ( struct i2c_bit_basher *i2cbit,
-				 struct bit_basher_operations *bash_op );
-
-/**
- * Initialise generic I2C EEPROM device
- *
- * @v i2cdev		I2C device
- */
-static inline __always_inline void
-init_i2c_eeprom ( struct i2c_device *i2cdev, unsigned int dev_addr ) {
-	i2cdev->dev_addr = dev_addr;
-	i2cdev->dev_addr_len = 1;
-	i2cdev->word_addr_len = 1;
-}
-
-/**
- * Initialise Atmel AT24C11
- *
- * @v i2cdev		I2C device
- */
-static inline __always_inline void
-init_at24c11 ( struct i2c_device *i2cdev ) {
-	/* This chip has no device address; it must be the only chip
-	 * on the bus.  The word address is contained entirely within
-	 * the device address field.
-	 */
-	i2cdev->dev_addr = 0;
-	i2cdev->dev_addr_len = 1;
-	i2cdev->word_addr_len = 0;
-}
-
-#endif /* _GPXE_I2C_H */