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/*
* hsi_char.h
*
* HSI character driver public declaration header file.
*
* Copyright (C) 2009 Nokia Corporation. All rights reserved.
* Copyright (C) 2009 Texas Instruments, Inc.
*
* Author: Andras Domokos <andras.domokos@nokia.com>
* Author: Sebastien JAN <s-jan@ti.com>
*
* This package is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef HSI_CHAR_H
#define HSI_CHAR_H
#define HSI_CHAR_BASE 'S'
#define CS_IOW(num, dtype) _IOW(HSI_CHAR_BASE, num, dtype)
#define CS_IOR(num, dtype) _IOR(HSI_CHAR_BASE, num, dtype)
#define CS_IOWR(num, dtype) _IOWR(HSI_CHAR_BASE, num, dtype)
#define CS_IO(num) _IO(HSI_CHAR_BASE, num)
#define CS_SEND_BREAK CS_IO(1)
#define CS_FLUSH_RX CS_IOR(2, size_t)
#define CS_FLUSH_TX CS_IOR(3, size_t)
#define CS_BOOTSTRAP CS_IO(4)
#define CS_SET_ACWAKELINE CS_IOW(5, unsigned int)
#define CS_GET_ACWAKELINE CS_IOR(6, unsigned int)
#define CS_SET_RX CS_IOW(7, struct hsi_rx_config)
#define CS_GET_RX CS_IOW(8, struct hsi_rx_config)
#define CS_SET_TX CS_IOW(9, struct hsi_tx_config)
#define CS_GET_TX CS_IOW(10, struct hsi_tx_config)
#define CS_SW_RESET CS_IO(11)
#define CS_GET_FIFO_OCCUPANCY CS_IOR(12, size_t)
#define CS_GET_CAWAKELINE CS_IOR(13, unsigned int)
#define CS_SET_WAKE_RX_3WIRES_MODE CS_IOR(14, unsigned int)
#define CS_SET_HI_SPEED CS_IOR(15, unsigned int)
#define CS_GET_SPEED CS_IOW(16, unsigned long)
#define HSI_MODE_SLEEP 0
#define HSI_MODE_STREAM 1
#define HSI_MODE_FRAME 2
#define HSI_ARBMODE_RR 0
#define HSI_ARBMODE_PRIO 1
#define WAKE_UP 1
#define WAKE_DOWN 0
/**
* struct hsi_tx_config - HSI TX configuration data
* @mode: Bit transmission mode
* @flow: Data flow type
* @frame_size: frame payload size
* @channels: Number of active channels
* @divisor: Transmission bit rate divisor
* @arb_mode: Arbitration type for the transmit FIFOs
*/
struct hsi_tx_config {
__u32 mode; /* Stream:1, Frame:2 */
__u32 flow; /* Synchronized:0, Pipelined:1. No Realtime support */
__u32 frame_size; /* HSI: 31, SSI: <= 31 */
__u32 channels; /* 1, 2, 4, 8, 16 (HSI only) */
__u32 divisor; /* For HSI: <= 0xFF, for SSI: <= 0x7F */
__u32 arb_mode; /* Round Robin: 0, Priority: 1 */
};
/**
* struct hsi_rx_config - HSI RX configuration data
* @mode: Bit transmission mode
* @flow: Data flow type
* @frame_size: frame payload size
* @channels: Number of active channels
* @divisor: Transmission bit rate divisor
* Auto mode:ON:0x1000, OFF(SSI):0x1001)
* Normal range : HSI <= 255, SSI <= 127
* @counters: Counters settings for error generation.
* Use HSI_HSR_COMBINE_COUNTERS for formatting the register value
*/
struct hsi_rx_config {
__u32 mode; /* Stream:1, Frame:2 */
__u32 flow; /* Synchronized:0, Pipelined:1. No Realtime support */
__u32 frame_size; /* HSI: 31, SSI: <= 31 */
__u32 channels; /* 1, 2, 4, 8, 16(HSI only) */
__u32 divisor; /* Normal range : HSI <= 255, SSI <= 127 */
__u32 counters; /* HSI: FB[31..24], TB[23..20], FT[19..0] */
/* SSI: FT[8..0] */
};
#endif /* HSI_CHAR_H */
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