diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd/include/bcmsdbus.h')
| -rw-r--r-- | drivers/net/wireless/bcmdhd/include/bcmsdbus.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd/include/bcmsdbus.h b/drivers/net/wireless/bcmdhd/include/bcmsdbus.h new file mode 100644 index 000000000000..21a58b473e91 --- /dev/null +++ b/drivers/net/wireless/bcmdhd/include/bcmsdbus.h @@ -0,0 +1,128 @@ +/* + * 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 300017 2011-12-01 20:30:27Z $ + */ + +#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); + + + +extern SDIOH_API_RC sdioh_sleep(sdioh_info_t *si, bool enab); + +/* GPIO support */ +extern SDIOH_API_RC sdioh_gpio_init(sdioh_info_t *sd); +extern bool sdioh_gpioin(sdioh_info_t *sd, uint32 gpio); +extern SDIOH_API_RC sdioh_gpioouten(sdioh_info_t *sd, uint32 gpio); +extern SDIOH_API_RC sdioh_gpioout(sdioh_info_t *sd, uint32 gpio, bool enab); + +#endif /* _sdio_api_h_ */ |