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/*
* Definitions for API from sdio common code (bcmsdh) to individual
* host controller drivers.
*
* Copyright (C) 1999-2011, Broadcom Corporation
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2 (the "GPL"),
* available at http://www.broadcom.com/licenses/GPLv2.php, with the
* following added to such license:
*
* As a special exception, the copyright holders of this software give you
* permission to link this software with independent modules, and to copy and
* distribute the resulting executable under terms of your choice, provided that
* you also meet, for each linked independent module, the terms and conditions of
* the license of that module. An independent module is a module which is not
* derived from this software. The special exception does not apply to any
* modifications of the software.
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a license
* other than the GPL, without Broadcom's express prior written consent.
*
* $Id: bcmsdbus.h,v 13.17.86.2 2010-12-23 01:13:20 Exp $
*/
#ifndef _sdio_api_h_
#define _sdio_api_h_
#define SDIOH_API_RC_SUCCESS (0x00)
#define SDIOH_API_RC_FAIL (0x01)
#define SDIOH_API_SUCCESS(status) (status == 0)
#define SDIOH_READ 0 /* Read request */
#define SDIOH_WRITE 1 /* Write request */
#define SDIOH_DATA_FIX 0 /* Fixed addressing */
#define SDIOH_DATA_INC 1 /* Incremental addressing */
#define SDIOH_CMD_TYPE_NORMAL 0 /* Normal command */
#define SDIOH_CMD_TYPE_APPEND 1 /* Append command */
#define SDIOH_CMD_TYPE_CUTTHRU 2 /* Cut-through command */
#define SDIOH_DATA_PIO 0 /* PIO mode */
#define SDIOH_DATA_DMA 1 /* DMA mode */
typedef int SDIOH_API_RC;
/* SDio Host structure */
typedef struct sdioh_info sdioh_info_t;
/* callback function, taking one arg */
typedef void (*sdioh_cb_fn_t)(void *);
/* attach, return handler on success, NULL if failed.
* The handler shall be provided by all subsequent calls. No local cache
* cfghdl points to the starting address of pci device mapped memory
*/
extern sdioh_info_t * sdioh_attach(osl_t *osh, void *cfghdl, uint irq);
extern SDIOH_API_RC sdioh_detach(osl_t *osh, sdioh_info_t *si);
extern SDIOH_API_RC sdioh_interrupt_register(sdioh_info_t *si, sdioh_cb_fn_t fn, void *argh);
extern SDIOH_API_RC sdioh_interrupt_deregister(sdioh_info_t *si);
/* query whether SD interrupt is enabled or not */
extern SDIOH_API_RC sdioh_interrupt_query(sdioh_info_t *si, bool *onoff);
/* enable or disable SD interrupt */
extern SDIOH_API_RC sdioh_interrupt_set(sdioh_info_t *si, bool enable_disable);
#if defined(DHD_DEBUG)
extern bool sdioh_interrupt_pending(sdioh_info_t *si);
#endif
/* read or write one byte using cmd52 */
extern SDIOH_API_RC sdioh_request_byte(sdioh_info_t *si, uint rw, uint fnc, uint addr, uint8 *byte);
/* read or write 2/4 bytes using cmd53 */
extern SDIOH_API_RC sdioh_request_word(sdioh_info_t *si, uint cmd_type, uint rw, uint fnc,
uint addr, uint32 *word, uint nbyte);
/* read or write any buffer using cmd53 */
extern SDIOH_API_RC sdioh_request_buffer(sdioh_info_t *si, uint pio_dma, uint fix_inc,
uint rw, uint fnc_num, uint32 addr, uint regwidth, uint32 buflen, uint8 *buffer,
void *pkt);
/* get cis data */
extern SDIOH_API_RC sdioh_cis_read(sdioh_info_t *si, uint fuc, uint8 *cis, uint32 length);
extern SDIOH_API_RC sdioh_cfg_read(sdioh_info_t *si, uint fuc, uint32 addr, uint8 *data);
extern SDIOH_API_RC sdioh_cfg_write(sdioh_info_t *si, uint fuc, uint32 addr, uint8 *data);
/* query number of io functions */
extern uint sdioh_query_iofnum(sdioh_info_t *si);
/* handle iovars */
extern int sdioh_iovar_op(sdioh_info_t *si, const char *name,
void *params, int plen, void *arg, int len, bool set);
/* Issue abort to the specified function and clear controller as needed */
extern int sdioh_abort(sdioh_info_t *si, uint fnc);
/* Start and Stop SDIO without re-enumerating the SD card. */
extern int sdioh_start(sdioh_info_t *si, int stage);
extern int sdioh_stop(sdioh_info_t *si);
/* Wait system lock free */
extern int sdioh_waitlockfree(sdioh_info_t *si);
/* Reset and re-initialize the device */
extern int sdioh_sdio_reset(sdioh_info_t *si);
/* Helper function */
void *bcmsdh_get_sdioh(bcmsdh_info_t *sdh);
#endif /* _sdio_api_h_ */
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