1/* 2 * BCMSDH Function Driver for the native SDIO/MMC driver in the Linux Kernel 3 * 4 * Copyright (C) 1999-2012, Broadcom Corporation 5 * 6 * Unless you and Broadcom execute a separate written software license 7 * agreement governing use of this software, this software is licensed to you 8 * under the terms of the GNU General Public License version 2 (the "GPL"), 9 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 10 * following added to such license: 11 * 12 * As a special exception, the copyright holders of this software give you 13 * permission to link this software with independent modules, and to copy and 14 * distribute the resulting executable under terms of your choice, provided that 15 * you also meet, for each linked independent module, the terms and conditions of 16 * the license of that module. An independent module is a module which is not 17 * derived from this software. The special exception does not apply to any 18 * modifications of the software. 19 * 20 * Notwithstanding the above, under no circumstances may you combine this 21 * software in any way with any other Broadcom software provided under a license 22 * other than the GPL, without Broadcom's express prior written consent. 23 * 24 * $Id: bcmsdh_sdmmc.h 355594 2012-09-07 10:22:02Z $ 25 */ 26 27#ifndef __BCMSDH_SDMMC_H__ 28#define __BCMSDH_SDMMC_H__ 29 30#define sd_err(x) 31#define sd_trace(x) 32#define sd_info(x) 33#define sd_debug(x) 34#define sd_data(x) 35#define sd_ctrl(x) 36 37#define sd_trace_hw4 sd_trace 38 39#define sd_sync_dma(sd, read, nbytes) 40#define sd_init_dma(sd) 41#define sd_ack_intr(sd) 42#define sd_wakeup(sd); 43 44/* Allocate/init/free per-OS private data */ 45extern int sdioh_sdmmc_osinit(sdioh_info_t *sd); 46extern void sdioh_sdmmc_osfree(sdioh_info_t *sd); 47 48#define sd_log(x) 49 50#define SDIOH_ASSERT(exp) \ 51 do { if (!(exp)) \ 52 printf("!!!ASSERT fail: file %s lines %d", __FILE__, __LINE__); \ 53 } while (0) 54 55#define BLOCK_SIZE_4318 64 56#define BLOCK_SIZE_4328 512 57 58/* internal return code */ 59#define SUCCESS 0 60#define ERROR 1 61 62/* private bus modes */ 63#define SDIOH_MODE_SD4 2 64#define CLIENT_INTR 0x100 /* Get rid of this! */ 65 66struct sdioh_info { 67 osl_t *osh; /* osh handler */ 68 bool client_intr_enabled; /* interrupt connnected flag */ 69 bool intr_handler_valid; /* client driver interrupt handler valid */ 70 sdioh_cb_fn_t intr_handler; /* registered interrupt handler */ 71 void *intr_handler_arg; /* argument to call interrupt handler */ 72 uint16 intmask; /* Current active interrupts */ 73 void *sdos_info; /* Pointer to per-OS private data */ 74 75 uint irq; /* Client irq */ 76 int intrcount; /* Client interrupts */ 77 78 bool sd_use_dma; /* DMA on CMD53 */ 79 bool sd_blockmode; /* sd_blockmode == FALSE => 64 Byte Cmd 53s. */ 80 /* Must be on for sd_multiblock to be effective */ 81 bool use_client_ints; /* If this is false, make sure to restore */ 82 int sd_mode; /* SD1/SD4/SPI */ 83 int client_block_size[SDIOD_MAX_IOFUNCS]; /* Blocksize */ 84 uint8 num_funcs; /* Supported funcs on client */ 85 uint32 com_cis_ptr; 86 uint32 func_cis_ptr[SDIOD_MAX_IOFUNCS]; 87 88#define SDIOH_SDMMC_MAX_SG_ENTRIES 32 89 struct scatterlist sg_list[SDIOH_SDMMC_MAX_SG_ENTRIES]; 90 bool use_rxchain; 91}; 92 93/************************************************************ 94 * Internal interfaces: per-port references into bcmsdh_sdmmc.c 95 */ 96 97/* Global message bits */ 98extern uint sd_msglevel; 99 100/* OS-independent interrupt handler */ 101extern bool check_client_intr(sdioh_info_t *sd); 102 103/* Core interrupt enable/disable of device interrupts */ 104extern void sdioh_sdmmc_devintr_on(sdioh_info_t *sd); 105extern void sdioh_sdmmc_devintr_off(sdioh_info_t *sd); 106 107 108/************************************************************** 109 * Internal interfaces: bcmsdh_sdmmc.c references to per-port code 110 */ 111 112/* Register mapping routines */ 113extern uint32 *sdioh_sdmmc_reg_map(osl_t *osh, int32 addr, int size); 114extern void sdioh_sdmmc_reg_unmap(osl_t *osh, int32 addr, int size); 115 116/* Interrupt (de)registration routines */ 117extern int sdioh_sdmmc_register_irq(sdioh_info_t *sd, uint irq); 118extern void sdioh_sdmmc_free_irq(uint irq, sdioh_info_t *sd); 119 120typedef struct _BCMSDH_SDMMC_INSTANCE { 121 sdioh_info_t *sd; 122 struct sdio_func *func[SDIOD_MAX_IOFUNCS]; 123} BCMSDH_SDMMC_INSTANCE, *PBCMSDH_SDMMC_INSTANCE; 124 125#endif /* __BCMSDH_SDMMC_H__ */ 126