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/*
* SD-SPI Protocol Conversion - BCMSDH->SPI Translation Layer
*
* Copyright (C) 1999-2014, 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: bcmsdspi.h 294363 2011-11-06 23:02:20Z $
*/
#ifndef _BCM_SD_SPI_H
#define _BCM_SD_SPI_H
/* global msglevel for debug messages - bitvals come from sdiovar.h */
#define sd_err(x)
#define sd_trace(x)
#define sd_info(x)
#define sd_debug(x)
#define sd_data(x)
#define sd_ctrl(x)
#define sd_log(x)
#define SDIOH_ASSERT(exp) \
do { if (!(exp)) \
printf("!!!ASSERT fail: file %s lines %d", __FILE__, __LINE__); \
} while (0)
#define BLOCK_SIZE_4318 64
#define BLOCK_SIZE_4328 512
/* internal return code */
#define SUCCESS 0
#undef ERROR
#define ERROR 1
/* private bus modes */
#define SDIOH_MODE_SPI 0
#define USE_BLOCKMODE 0x2 /* Block mode can be single block or multi */
#define USE_MULTIBLOCK 0x4
struct sdioh_info {
uint cfg_bar; /* pci cfg address for bar */
uint32 caps; /* cached value of capabilities reg */
uint bar0; /* BAR0 for PCI Device */
osl_t *osh; /* osh handler */
void *controller; /* Pointer to SPI Controller's private data struct */
uint lockcount; /* nest count of sdspi_lock() calls */
bool client_intr_enabled; /* interrupt connnected flag */
bool intr_handler_valid; /* client driver interrupt handler valid */
sdioh_cb_fn_t intr_handler; /* registered interrupt handler */
void *intr_handler_arg; /* argument to call interrupt handler */
bool initialized; /* card initialized */
uint32 target_dev; /* Target device ID */
uint32 intmask; /* Current active interrupts */
void *sdos_info; /* Pointer to per-OS private data */
uint32 controller_type; /* Host controller type */
uint8 version; /* Host Controller Spec Compliance Version */
uint irq; /* Client irq */
uint32 intrcount; /* Client interrupts */
uint32 local_intrcount; /* Controller interrupts */
bool host_init_done; /* Controller initted */
bool card_init_done; /* Client SDIO interface initted */
bool polled_mode; /* polling for command completion */
bool sd_use_dma; /* DMA on CMD53 */
bool sd_blockmode; /* sd_blockmode == FALSE => 64 Byte Cmd 53s. */
/* Must be on for sd_multiblock to be effective */
bool use_client_ints; /* If this is false, make sure to restore */
bool got_hcint; /* Host Controller interrupt. */
/* polling hack in wl_linux.c:wl_timer() */
int adapter_slot; /* Maybe dealing with multiple slots/controllers */
int sd_mode; /* SD1/SD4/SPI */
int client_block_size[SDIOD_MAX_IOFUNCS]; /* Blocksize */
uint32 data_xfer_count; /* Current register transfer size */
uint32 cmd53_wr_data; /* Used to pass CMD53 write data */
uint32 card_response; /* Used to pass back response status byte */
uint32 card_rsp_data; /* Used to pass back response data word */
uint16 card_rca; /* Current Address */
uint8 num_funcs; /* Supported funcs on client */
uint32 com_cis_ptr;
uint32 func_cis_ptr[SDIOD_MAX_IOFUNCS];
void *dma_buf;
ulong dma_phys;
int r_cnt; /* rx count */
int t_cnt; /* tx_count */
};
/************************************************************
* Internal interfaces: per-port references into bcmsdspi.c
*/
/* Global message bits */
extern uint sd_msglevel;
/**************************************************************
* Internal interfaces: bcmsdspi.c references to per-port code
*/
/* Register mapping routines */
extern uint32 *spi_reg_map(osl_t *osh, uintptr addr, int size);
extern void spi_reg_unmap(osl_t *osh, uintptr addr, int size);
/* Interrupt (de)registration routines */
extern int spi_register_irq(sdioh_info_t *sd, uint irq);
extern void spi_free_irq(uint irq, sdioh_info_t *sd);
/* OS-specific interrupt wrappers (atomic interrupt enable/disable) */
extern void spi_lock(sdioh_info_t *sd);
extern void spi_unlock(sdioh_info_t *sd);
/* Allocate/init/free per-OS private data */
extern int spi_osinit(sdioh_info_t *sd);
extern void spi_osfree(sdioh_info_t *sd);
#endif /* _BCM_SD_SPI_H */
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