/*
* 'Standard' SDIO HOST CONTROLLER driver
*
* Copyright (C) 1999-2010, 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: bcmsdstd.h,v 13.16.18.1.16.3 2009/12/10 01:09:23 Exp $
*/
/* global msglevel for debug messages - bitvals come from sdiovar.h */
#define sd_err(x) do { if (sd_msglevel & SDH_ERROR_VAL) printf x; } while (0)
#define sd_trace(x)
#define sd_info(x)
#define sd_debug(x)
#define sd_data(x)
#define sd_ctrl(x)
#define sd_dma(x)
#define sd_sync_dma(sd, read, nbytes)
#define sd_init_dma(sd)
#define sd_ack_intr(sd)
#define sd_wakeup(sd);
/* Allocate/init/free per-OS private data */
extern int sdstd_osinit(sdioh_info_t *sd);
extern void sdstd_osfree(sdioh_info_t *sd);
#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
#define ERROR 1
/* private bus modes */
#define SDIOH_MODE_SPI 0
#define SDIOH_MODE_SD1 1
#define SDIOH_MODE_SD4 2
#define MAX_SLOTS 6 /* For PCI: Only 6 BAR entries => 6 slots */
#define SDIOH_REG_WINSZ 0x100 /* Number of registers in Standard Host Controller */
#define SDIOH_TYPE_ARASAN_HDK 1
#define SDIOH_TYPE_BCM27XX 2
#define SDIOH_TYPE_TI_PCIXX21 4 /* TI PCIxx21 Standard Host Controller */
#define SDIOH_TYPE_RICOH_R5C822 5 /* Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter */
#define SDIOH_TYPE_JMICRON 6 /* JMicron Standard SDIO Host Controller */
/* For linux, allow yielding for dongle */
#define BCMSDYIELD
/* Expected card status value for CMD7 */
#define SDIOH_CMD7_EXP_STATUS 0x00001E00
#define RETRIES_LARGE 100000
#define RETRIES_SMALL 100
#define USE_BLOCKMODE 0x2 /* Block mode can be single block or multi */
#define USE_MULTIBLOCK 0x4
#define USE_FIFO 0x8 /* Fifo vs non-fifo */
#define CLIENT_INTR 0x100 /* Get rid of this! */
struct sdioh_info {
uint cfg_bar; /* pci cfg address for bar */
uint32 caps; /* cached value of capabilities reg */
uint32 curr_caps; /* max current capabilities reg */
osl_t *osh; /* osh handler */
volatile char *mem_space; /* pci device memory va */
uint lockcount; /* nest count of sdstd_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 */
uint target_dev; /* Target device ID */
uint16 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 */
int intrcount; /* Client interrupts */
int 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_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 */
/* 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 transfer */
uint16 card_rca; /* Current Address */
int8 sd_dma_mode; /* DMA Mode (PIO, SDMA, ... ADMA2) on CMD53 */
uint8 num_funcs; /* Supported funcs on client */
uint32 com_cis_ptr;
uint32 func_cis_ptr[SDIOD_MAX_IOFUNCS];
void *dma_buf; /* DMA Buffer virtual address */
ulong dma_phys; /* DMA Buffer physical address */
void *adma2_dscr_buf; /* ADMA2 Descriptor Buffer virtual address */
ulong adma2_dscr_phys; /* ADMA2 Descriptor Buffer physical address */
/* adjustments needed to make the dma align properly */
void *dma_start_buf;
ulong dma_start_phys;
uint alloced_dma_size;
void *adma2_dscr_start_buf;
ulong adma2_dscr_start_phys;
uint alloced_adma2_dscr_size;
int r_cnt; /* rx count */
int t_cnt; /* tx_count */
bool got_hcint; /* local interrupt flag */
uint16 last_intrstatus; /* to cache intrstatus */
};
#define DMA_MODE_NONE 0
#define DMA_MODE_SDMA 1
#define DMA_MODE_ADMA1 2
#define DMA_MODE_ADMA2 3
#define DMA_MODE_ADMA2_64 4
#define DMA_MODE_AUTO -1
#define USE_DMA(sd) ((bool)((sd->sd_dma_mode > 0) ? TRUE : FALSE))
/* SDIO Host Control Register DMA Mode Definitions */
#define SDIOH_SDMA_MODE 0
#define SDIOH_ADMA1_MODE 1
#define SDIOH_ADMA2_MODE 2
#define SDIOH_ADMA2_64_MODE 3
#define ADMA2_ATTRIBUTE_VALID (1 << 0) /* ADMA Descriptor line valid */
#define ADMA2_ATTRIBUTE_END (1 << 1) /* End of Descriptor */
#define ADMA2_ATTRIBUTE_INT (1 << 2) /* Interrupt when line is done */
#define ADMA2_ATTRIBUTE_ACT_NOP (0 << 4) /* Skip current line, go to next. */
#define ADMA2_ATTRIBUTE_ACT_RSV (1 << 4) /* Same as NOP */
#define ADMA1_ATTRIBUTE_ACT_SET (1 << 4) /* ADMA1 Only - set transfer length */
#define ADMA2_ATTRIBUTE_ACT_TRAN (2 << 4) /* Transfer Data of one descriptor line. */
#define ADMA2_ATTRIBUTE_ACT_LINK (3 << 4) /* Link Descriptor */
/* ADMA2 Descriptor Table Entry for 32-bit Address */
typedef struct adma2_dscr_32b {
uint32 len_attr;
uint32 phys_addr;
} adma2_dscr_32b_t;
/* ADMA1 Descriptor Table Entry */
typedef struct adma1_dscr {
uint32 phys_addr_attr;
} adma1_dscr_t;
/************************************************************
* Internal interfaces: per-port references into bcmsdstd.c
*/
/* Global message bits */
extern uint sd_msglevel;
/* OS-independent interrupt handler */
extern bool check_client_intr(sdioh_info_t *sd);
/* Core interrupt enable/disable of device interrupts */
extern void sdstd_devintr_on(sdioh_info_t *sd);
extern void sdstd_devintr_off(sdioh_info_t *sd);
/* Enable/disable interrupts for local controller events */
extern void sdstd_intrs_on(sdioh_info_t *sd, uint16 norm, uint16 err);
extern void sdstd_intrs_off(sdioh_info_t *sd, uint16 norm, uint16 err);
/* Wait for specified interrupt and error bits to be set */
extern void sdstd_spinbits(sdioh_info_t *sd, uint16 norm, uint16 err);
/**************************************************************
* Internal interfaces: bcmsdstd.c references to per-port code
*/
/* Register mapping routines */
extern uint32 *sdstd_reg_map(osl_t *osh, int32 addr, int size);
extern void sdstd_reg_unmap(osl_t *osh, int32 addr, int size);
/* Interrupt (de)registration routines */
extern int sdstd_register_irq(sdioh_info_t *sd, uint irq);
extern void sdstd_free_irq(uint irq, sdioh_info_t *sd);
/* OS-specific interrupt wrappers (atomic interrupt enable/disable) */
extern void sdstd_lock(sdioh_info_t *sd);
extern void sdstd_unlock(sdioh_info_t *sd);
/* OS-specific wait-for-interrupt-or-status */
extern uint16 sdstd_waitbits(sdioh_info_t *sd, uint16 norm, uint16 err, bool yield);
