mirror of
https://github.com/DrHo1y/orangepi-build.git
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150 lines
5.4 KiB
C
150 lines
5.4 KiB
C
/*
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* BCMSDH Function Driver for SDIO-Linux
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*
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* Copyright (C) 1999-2012, Broadcom Corporation
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the "GPL"),
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* available at http://www.broadcom.com/licenses/GPLv2.php, with the
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* following added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions of
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* the license of that module. An independent module is a module which is not
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* derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a license
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* other than the GPL, without Broadcom's express prior written consent.
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*
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* $Id: bcmsdh_fd.h 241182 2011-02-17 21:50:03Z gmo $
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*/
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#ifndef __BCMSDH_FD_H__
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#define __BCMSDH_FD_H__
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#ifdef BCMDBG
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#define sd_err(x) do { if (sd_msglevel & SDH_ERROR_VAL) printf x; } while (0)
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#define sd_trace(x) do { if (sd_msglevel & SDH_TRACE_VAL) printf x; } while (0)
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#define sd_info(x) do { if (sd_msglevel & SDH_INFO_VAL) printf x; } while (0)
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#define sd_debug(x) do { if (sd_msglevel & SDH_DEBUG_VAL) printf x; } while (0)
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#define sd_data(x) do { if (sd_msglevel & SDH_DATA_VAL) printf x; } while (0)
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#define sd_ctrl(x) do { if (sd_msglevel & SDH_CTRL_VAL) printf x; } while (0)
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#else
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#define sd_err(x)
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#define sd_trace(x)
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#define sd_info(x)
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#define sd_debug(x)
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#define sd_data(x)
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#define sd_ctrl(x)
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#endif
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#define sd_sync_dma(sd, read, nbytes)
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#define sd_init_dma(sd)
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#define sd_ack_intr(sd)
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#define sd_wakeup(sd);
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/* Allocate/init/free per-OS private data */
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extern int sdiohfd_osinit(sdioh_info_t *sd);
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extern void sdiohfd_osfree(sdioh_info_t *sd);
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#ifdef BCMPERFSTATS
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#define sd_log(x) do { if (sd_msglevel & SDH_LOG_VAL) bcmlog x; } while (0)
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#else
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#define sd_log(x)
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#endif
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#define SDIOH_ASSERT(exp) \
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do { if (!(exp)) \
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printf("!!!ASSERT fail: file %s lines %d", __FILE__, __LINE__); \
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} while (0)
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#define BLOCK_SIZE_4318 64
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#define BLOCK_SIZE_4328 512
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/* internal return code */
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#define SUCCESS 0
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#define ERROR 1
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/* private bus modes */
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#define SDIOH_MODE_SD4 2
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#define CLIENT_INTR 0x100 /* Get rid of this! */
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#define DMA_MAX_LEN (7*1024)
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struct sdioh_info {
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osl_t *osh; /* osh handler */
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bool client_intr_enabled; /* interrupt connnected flag */
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bool intr_handler_valid; /* client driver interrupt handler valid */
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sdioh_cb_fn_t intr_handler; /* registered interrupt handler */
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void *intr_handler_arg; /* argument to call interrupt handler */
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uint16 intmask; /* Current active interrupts */
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void *sdos_info; /* Pointer to per-OS private data */
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uint irq; /* Client irq */
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int intrcount; /* Client interrupts */
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bool sd_use_dma; /* DMA on CMD53 */
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bool sd_blockmode; /* sd_blockmode == FALSE => 64 Byte Cmd 53s. */
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/* Must be on for sd_multiblock to be effective */
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bool use_client_ints; /* If this is false, make sure to restore */
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int sd_mode; /* SD1/SD4/SPI */
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int client_block_size[SDIOD_MAX_IOFUNCS]; /* Blocksize */
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uint8 num_funcs; /* Supported funcs on client */
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uint32 com_cis_ptr;
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uint32 func_cis_ptr[SDIOD_MAX_IOFUNCS];
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uint max_dma_len;
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uint max_dma_descriptors; /* DMA Descriptors supported by this controller. */
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SDDMA_DESCRIPTOR SGList[32]; /* Scatter/Gather DMA List */
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};
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/************************************************************
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* Internal interfaces: per-port references into bcmsdiohfd.c
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*/
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/* Global message bits */
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extern uint sd_msglevel;
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/* OS-independent interrupt handler */
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extern bool check_client_intr(sdioh_info_t *sd);
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/* Core interrupt enable/disable of device interrupts */
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extern void sdiohfd_devintr_on(sdioh_info_t *sd);
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extern void sdiohfd_devintr_off(sdioh_info_t *sd);
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/**************************************************************
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* Internal interfaces: bcmsdiohfd.c references to per-port code
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*/
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/* Register mapping routines */
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extern uint32 *sdiohfd_reg_map(osl_t *osh, int32 addr, int size);
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extern void sdiohfd_reg_unmap(osl_t *osh, int32 addr, int size);
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/* Interrupt (de)registration routines */
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extern int sdiohfd_register_irq(sdioh_info_t *sd, uint irq);
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extern void sdiohfd_free_irq(uint irq, sdioh_info_t *sd);
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typedef struct _BCMSDH_FD_INSTANCE {
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PSDDEVICE pDevice[3]; /* bus driver's device we are supporting */
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sdioh_info_t *sd;
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SDIO_STATUS LastRequestStatus; /* last request status */
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} BCMSDH_FD_INSTANCE, *PBCMSDH_FD_INSTANCE;
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typedef struct _BCMSDH_FD_CONTEXT {
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SDFUNCTION Function; /* function description for bus driver */
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PBCMSDH_FD_INSTANCE pInstance;
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SD_BUSCLOCK_RATE ClockOverride; /* clock rate override */
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} BCMSDH_FD_CONTEXT, *PBCMSDH_FD_CONTEXT;
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/* prototypes */
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SDIO_STATUS client_init(PBCMSDH_FD_CONTEXT pFuncContext,
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PBCMSDH_FD_INSTANCE pInstance,
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PSDDEVICE pDevice);
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void client_detach(PBCMSDH_FD_CONTEXT pFuncContext,
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PBCMSDH_FD_INSTANCE pInstance);
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#endif /* __BCMSDH_FD_H__ */
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