/* * Definitions for API from sdio common code (bcmsdh) to individual * host controller drivers. * * Portions of this code are copyright (c) 2017 Cypress Semiconductor Corporation * * Copyright (C) 1999-2017, 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 514727 2014-11-12 03:02:48Z $ */ #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 */ /* Max number of glommed pkts */ #ifdef CUSTOM_MAX_TXGLOM_SIZE #define SDPCM_MAXGLOM_SIZE CUSTOM_MAX_TXGLOM_SIZE #else #define SDPCM_MAXGLOM_SIZE 40 #endif /* CUSTOM_MAX_TXGLOM_SIZE */ #define SDPCM_TXGLOM_CPY 0 /* SDIO 2.0 should use copy mode */ #define SDPCM_TXGLOM_MDESC 1 /* SDIO 3.0 should use multi-desc mode */ #ifdef CUSTOM_DEF_TXGLOM_SIZE #define SDPCM_DEFGLOM_SIZE CUSTOM_DEF_TXGLOM_SIZE #else #define SDPCM_DEFGLOM_SIZE SDPCM_MAXGLOM_SIZE #endif /* CUSTOM_DEF_TXGLOM_SIZE */ #if SDPCM_DEFGLOM_SIZE > SDPCM_MAXGLOM_SIZE #warning "SDPCM_DEFGLOM_SIZE cannot be higher than SDPCM_MAXGLOM_SIZE!!" #undef SDPCM_DEFGLOM_SIZE #define SDPCM_DEFGLOM_SIZE SDPCM_MAXGLOM_SIZE #endif 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 *); 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); #if defined(BCMSDIOH_STD) #define SDIOH_SLEEP_ENABLED #endif 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_ */