LXR uboot/drivers/mmc/mmc

   1/*
   2 * Copyright 2008,2010 Freescale Semiconductor, Inc
   3 * Andy Fleming
   4 *
   5 * Based (loosely) on the Linux code
   6 *
   7 * SPDX-License-Identifier:     GPL-2.0+
   8 */
   9
  10#ifndef _MMC_PRIVATE_H_
  11#define _MMC_PRIVATE_H_
  12
  13#include <mmc.h>
  14
  15extern int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
  16                        struct mmc_data *data);
  17extern int mmc_send_status(struct mmc *mmc, int timeout);
  18extern int mmc_set_blocklen(struct mmc *mmc, int len);
  19#ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
  20void mmc_adapter_card_type_ident(void);
  21#endif
  22
  23#ifdef CONFIG_BLK
  24ulong mmc_bread(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
  25                void *dst);
  26#else
  27ulong mmc_bread(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
  28                void *dst);
  29#endif
  30
  31#if !(defined(CONFIG_SPL_BUILD) && !defined(CONFIG_SPL_SAVEENV))
  32
  33#ifdef CONFIG_BLK
  34ulong mmc_bwrite(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
  35                 const void *src);
  36ulong mmc_berase(struct udevice *dev, lbaint_t start, lbaint_t blkcnt);
  37#else
  38ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
  39                 const void *src);
  40ulong mmc_berase(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt);
  41#endif
  42
  43#else /* CONFIG_SPL_BUILD and CONFIG_SPL_SAVEENV is not defined */
  44
  45/* declare dummies to reduce code size. */
  46
  47#ifdef CONFIG_BLK
  48static inline unsigned long mmc_berase(struct udevice *dev,
  49                                       lbaint_t start, lbaint_t blkcnt)
  50{
  51        return 0;
  52}
  53
  54static inline ulong mmc_bwrite(struct udevice *dev, lbaint_t start,
  55                               lbaint_t blkcnt, const void *src)
  56{
  57        return 0;
  58}
  59#else
  60static inline unsigned long mmc_berase(struct blk_desc *block_dev,
  61                                       lbaint_t start, lbaint_t blkcnt)
  62{
  63        return 0;
  64}
  65
  66static inline ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start,
  67                               lbaint_t blkcnt, const void *src)
  68{
  69        return 0;
  70}
  71#endif
  72
  73#endif /* CONFIG_SPL_BUILD */
  74
  75#ifdef CONFIG_MMC_TRACE
  76void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd);
  77void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd, int ret);
  78void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd);
  79#else
  80static inline void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd)
  81{
  82}
  83
  84static inline void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd,
  85                                         int ret)
  86{
  87}
  88
  89static inline void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd)
  90{
  91}
  92#endif
  93
  94/**
  95 * mmc_get_next_devnum() - Get the next available MMC device number
  96 *
  97 * @return next available device number (0 = first), or -ve on error
  98 */
  99int mmc_get_next_devnum(void);
 100
 101/**
 102 * mmc_do_preinit() - Get an MMC device ready for use
 103 */
 104void mmc_do_preinit(void);
 105
 106/**
 107 * mmc_list_init() - Set up the list of MMC devices
 108 */
 109void mmc_list_init(void);
 110
 111/**
 112 * mmc_list_add() - Add a new MMC device to the list of devices
 113 *
 114 * @mmc:        Device to add
 115 */
 116void mmc_list_add(struct mmc *mmc);
 117
 118/**
 119 * mmc_switch_part() - Switch to a new MMC hardware partition
 120 *
 121 * @mmc:        MMC device
 122 * @part_num:   Hardware partition number
 123 * @return 0 if OK, -ve on error
 124 */
 125int mmc_switch_part(struct mmc *mmc, unsigned int part_num);
 126
 127/**
 128 * mmc_switch() - Issue and MMC switch mode command
 129 *
 130 * @mmc:        MMC device
 131 * @set:        Unused
 132 * @index:      Cmdarg index
 133 * @value:      Cmdarg value
 134 * @return 0 if OK, -ve on error
 135 */
 136int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value);
 137
 138#endif /* _MMC_PRIVATE_H_ */
 139