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/*
* hsi-if.h
*
* Part of the HSI character driver, private headers.
*
* 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_IF_H
#define _HSI_IF_H
#define HSI_EV_MASK (0xffff << 0)
#define HSI_EV_TYPE_MASK (0x0f << 16)
#define HSI_EV_IN (0x01 << 16)
#define HSI_EV_OUT (0x02 << 16)
#define HSI_EV_EXCEP (0x03 << 16)
#define HSI_EV_AVAIL (0x04 << 16)
#define HSI_EV_TYPE(event) ((event) & HSI_EV_TYPE_MASK)
#define HSI_HWBREAK 1
#define HSI_ERROR 2
struct hsi_event {
unsigned int event;
u32 *data;
unsigned int count;
};
int if_hsi_init(unsigned int port, unsigned int *channels_map,
unsigned int num_channels);
int if_hsi_exit(void);
int if_hsi_start(int ch);
void if_hsi_stop(int ch);
void if_hsi_send_break(int ch);
void if_hsi_flush_rx(int ch);
void if_hsi_flush_tx(int ch);
void if_hsi_bootstrap(int ch);
void if_hsi_set_acwakeline(int ch, unsigned int state);
void if_hsi_get_acwakeline(int ch, unsigned int *state);
void if_hsi_get_cawakeline(int ch, unsigned int *state);
int if_hsi_set_rx(int ch, struct hsi_rx_config *cfg);
void if_hsi_get_rx(int ch, struct hsi_rx_config *cfg);
int if_hsi_set_tx(int ch, struct hsi_tx_config *cfg);
void if_hsi_get_tx(int ch, struct hsi_tx_config *cfg);
void if_hsi_sw_reset(int ch);
void if_hsi_get_fifo_occupancy(int ch, size_t *occ);
int if_hsi_read(int ch, u32 *data, unsigned int count);
int if_hsi_poll(int ch);
int if_hsi_write(int ch, u32 *data, unsigned int count);
void if_hsi_cancel_read(int ch);
void if_hsi_cancel_write(int ch);
#endif /* _HSI_IF_H */
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