1 files changed, 110 insertions, 0 deletions
diff --git a/drivers/staging/nvec/nvec.h b/drivers/staging/nvec/nvec.h
new file mode 100644
index 000000000000..a2d82dce62d7
--- /dev/null
+++ b/drivers/staging/nvec/nvec.h
@@ -0,0 +1,110 @@
+#ifndef __LINUX_MFD_NVEC
+#define __LINUX_MFD_NVEC
+
+#include <linux/semaphore.h>
+
+typedef enum {
+	NVEC_2BYTES,
+	NVEC_3BYTES,
+	NVEC_VAR_SIZE
+} nvec_size;
+
+typedef enum {
+	NOT_REALLY,
+	YES,
+	NOT_AT_ALL,
+} how_care;
+
+typedef enum {
+	NVEC_SYS=1,
+	NVEC_BAT,
+	NVEC_KBD = 5,
+	NVEC_PS2,
+	NVEC_CNTL,
+	NVEC_KB_EVT = 0x80,
+	NVEC_PS2_EVT
+} nvec_event;
+
+typedef enum {
+       NVEC_WAIT,
+       NVEC_READ,
+       NVEC_WRITE
+} nvec_state;
+
+struct nvec_msg {
+	unsigned char *data;
+	unsigned short size;
+	unsigned short pos;
+	struct list_head node;
+};
+
+struct nvec_subdev {
+	const char *name;
+	void *platform_data;
+	int id;
+};
+
+struct nvec_platform_data {
+	int num_subdevs;
+	int i2c_addr;
+	int gpio;
+	int irq;
+	int base;
+	int size;
+	char clock[16];
+	struct nvec_subdev *subdevs;
+};
+
+struct nvec_chip {
+	struct device *dev;
+	int gpio;
+	int irq;
+	unsigned char *i2c_regs;
+	nvec_state state;
+	struct atomic_notifier_head notifier_list;
+	struct list_head rx_data, tx_data;
+	struct notifier_block nvec_status_notifier;
+	struct work_struct rx_work, tx_work;
+	struct nvec_msg *rx, *tx;
+
+/* sync write stuff */
+	struct semaphore sync_write_mutex;
+	struct completion sync_write;
+	u16 sync_write_pending;
+	struct nvec_msg *last_sync_msg;
+};
+
+extern void nvec_write_async(struct nvec_chip *nvec, unsigned char *data, short size);
+
+extern int nvec_register_notifier(struct nvec_chip *nvec,
+		 struct notifier_block *nb, unsigned int events);
+
+extern int nvec_unregister_notifier(struct device *dev,
+		struct notifier_block *nb, unsigned int events);
+
+const char *nvec_send_msg(unsigned char *src, unsigned char *dst_size, how_care care_resp, void (*rt_handler)(unsigned char *data));
+
+extern int nvec_ps2(struct nvec_chip *nvec);
+extern int nvec_kbd_init(struct nvec_chip *nvec);
+
+#define I2C_CNFG			0x00
+#define I2C_CNFG_PACKET_MODE_EN		(1<<10)
+#define I2C_CNFG_NEW_MASTER_SFM		(1<<11)
+#define I2C_CNFG_DEBOUNCE_CNT_SHIFT	12
+
+#define I2C_SL_CNFG		0x20
+#define I2C_SL_NEWL		(1<<2)
+#define I2C_SL_NACK		(1<<1)
+#define I2C_SL_RESP		(1<<0)
+#define I2C_SL_IRQ		(1<<3)
+#define END_TRANS		(1<<4)
+#define RCVD			(1<<2)
+#define RNW			(1<<1)
+
+#define I2C_SL_RCVD		0x24
+#define I2C_SL_STATUS		0x28
+#define I2C_SL_ADDR1		0x2c
+#define I2C_SL_ADDR2		0x30
+#define I2C_SL_DELAY_COUNT	0x3c
+
+#endif