From 9f00eee4dccfce04cfdfcd40fd59dc1ab54cf986 Mon Sep 17 00:00:00 2001
From: Ajay Dudani <adudani@codeaurora.org>
Date: Fri, 17 Dec 2010 23:02:21 -0800
Subject: Add i2c-dev.h and spidev.h kernel headers

Change-Id: I868994bc8775f88eeba1b1d2e389c646d30695b6
---
 libc/kernel/common/linux/i2c-dev.h    | 47 +++++++++++++++++++++++++
 libc/kernel/common/linux/spi/spidev.h | 64 +++++++++++++++++++++++++++++++++++
 2 files changed, 111 insertions(+)
 create mode 100644 libc/kernel/common/linux/i2c-dev.h
 create mode 100644 libc/kernel/common/linux/spi/spidev.h

diff --git a/libc/kernel/common/linux/i2c-dev.h b/libc/kernel/common/linux/i2c-dev.h
new file mode 100644
index 000000000..50b7573bd
--- /dev/null
+++ b/libc/kernel/common/linux/i2c-dev.h
@@ -0,0 +1,47 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _LINUX_I2C_DEV_H
+#define _LINUX_I2C_DEV_H
+
+#include <linux/types.h>
+#include <linux/compiler.h>
+
+#define I2C_RETRIES 0x0701  
+#define I2C_TIMEOUT 0x0702  
+
+#define I2C_SLAVE 0x0703  
+#define I2C_SLAVE_FORCE 0x0706  
+#define I2C_TENBIT 0x0704  
+
+#define I2C_FUNCS 0x0705  
+
+#define I2C_RDWR 0x0707  
+
+#define I2C_PEC 0x0708  
+#define I2C_SMBUS 0x0720  
+
+struct i2c_smbus_ioctl_data {
+ __u8 read_write;
+ __u8 command;
+ __u32 size;
+ union i2c_smbus_data __user *data;
+};
+
+struct i2c_rdwr_ioctl_data {
+ struct i2c_msg __user *msgs;
+ __u32 nmsgs;
+};
+
+#define I2C_RDRW_IOCTL_MAX_MSGS 42
+
+#endif
+
diff --git a/libc/kernel/common/linux/spi/spidev.h b/libc/kernel/common/linux/spi/spidev.h
new file mode 100644
index 000000000..b71cb22d3
--- /dev/null
+++ b/libc/kernel/common/linux/spi/spidev.h
@@ -0,0 +1,64 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef SPIDEV_H
+#define SPIDEV_H
+
+#include <linux/types.h>
+
+#define SPI_CPHA 0x01
+#define SPI_CPOL 0x02
+
+#define SPI_MODE_0 (0|0)
+#define SPI_MODE_1 (0|SPI_CPHA)
+#define SPI_MODE_2 (SPI_CPOL|0)
+#define SPI_MODE_3 (SPI_CPOL|SPI_CPHA)
+
+#define SPI_CS_HIGH 0x04
+#define SPI_LSB_FIRST 0x08
+#define SPI_3WIRE 0x10
+#define SPI_LOOP 0x20
+#define SPI_NO_CS 0x40
+#define SPI_READY 0x80
+
+#define SPI_IOC_MAGIC 'k'
+
+struct spi_ioc_transfer {
+ __u64 tx_buf;
+ __u64 rx_buf;
+
+ __u32 len;
+ __u32 speed_hz;
+
+ __u16 delay_usecs;
+ __u8 bits_per_word;
+ __u8 cs_change;
+ __u32 pad;
+
+};
+
+#define SPI_MSGSIZE(N)   ((((N)*(sizeof (struct spi_ioc_transfer))) < (1 << _IOC_SIZEBITS))   ? ((N)*(sizeof (struct spi_ioc_transfer))) : 0)
+#define SPI_IOC_MESSAGE(N) _IOW(SPI_IOC_MAGIC, 0, char[SPI_MSGSIZE(N)])
+
+#define SPI_IOC_RD_MODE _IOR(SPI_IOC_MAGIC, 1, __u8)
+#define SPI_IOC_WR_MODE _IOW(SPI_IOC_MAGIC, 1, __u8)
+
+#define SPI_IOC_RD_LSB_FIRST _IOR(SPI_IOC_MAGIC, 2, __u8)
+#define SPI_IOC_WR_LSB_FIRST _IOW(SPI_IOC_MAGIC, 2, __u8)
+
+#define SPI_IOC_RD_BITS_PER_WORD _IOR(SPI_IOC_MAGIC, 3, __u8)
+#define SPI_IOC_WR_BITS_PER_WORD _IOW(SPI_IOC_MAGIC, 3, __u8)
+
+#define SPI_IOC_RD_MAX_SPEED_HZ _IOR(SPI_IOC_MAGIC, 4, __u32)
+#define SPI_IOC_WR_MAX_SPEED_HZ _IOW(SPI_IOC_MAGIC, 4, __u32)
+
+#endif
+
-- 
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