LXR uboot/drivers/mmc/mmc

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * Copyright 2008,2010 Freescale Semiconductor, Inc
   4 * Copyright 2020 NXP
   5 * Andy Fleming
   6 *
   7 * Based (loosely) on the Linux code
   8 */
   9
  10#ifndef _MMC_PRIVATE_H_
  11#define _MMC_PRIVATE_H_
  12
  13#include <mmc.h>
  14
  15int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data);
  16int mmc_send_status(struct mmc *mmc, unsigned int *status);
  17int mmc_poll_for_busy(struct mmc *mmc, int timeout);
  18
  19int mmc_set_blocklen(struct mmc *mmc, int len);
  20
  21#if CONFIG_IS_ENABLED(BLK)
  22ulong mmc_bread(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
  23                void *dst);
  24#else
  25ulong mmc_bread(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
  26                void *dst);
  27#endif
  28
  29#if CONFIG_IS_ENABLED(MMC_WRITE)
  30
  31#if CONFIG_IS_ENABLED(BLK)
  32ulong mmc_bwrite(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
  33                 const void *src);
  34ulong mmc_berase(struct udevice *dev, lbaint_t start, lbaint_t blkcnt);
  35#else
  36ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
  37                 const void *src);
  38ulong mmc_berase(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt);
  39#endif
  40
  41#else /* CONFIG_SPL_MMC_WRITE is not defined */
  42
  43/* declare dummies to reduce code size. */
  44
  45#if CONFIG_IS_ENABLED(BLK)
  46static inline unsigned long mmc_berase(struct udevice *dev,
  47                                       lbaint_t start, lbaint_t blkcnt)
  48{
  49        return 0;
  50}
  51
  52static inline ulong mmc_bwrite(struct udevice *dev, lbaint_t start,
  53                               lbaint_t blkcnt, const void *src)
  54{
  55        return 0;
  56}
  57#else
  58static inline unsigned long mmc_berase(struct blk_desc *block_dev,
  59                                       lbaint_t start, lbaint_t blkcnt)
  60{
  61        return 0;
  62}
  63
  64static inline ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start,
  65                               lbaint_t blkcnt, const void *src)
  66{
  67        return 0;
  68}
  69#endif
  70
  71#endif /* CONFIG_SPL_BUILD */
  72
  73#ifdef CONFIG_MMC_TRACE
  74void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd);
  75void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd, int ret);
  76void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd);
  77#else
  78static inline void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd)
  79{
  80}
  81
  82static inline void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd,
  83                                         int ret)
  84{
  85}
  86
  87static inline void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd)
  88{
  89}
  90#endif
  91
  92/**
  93 * mmc_get_next_devnum() - Get the next available MMC device number
  94 *
  95 * @return next available device number (0 = first), or -ve on error
  96 */
  97int mmc_get_next_devnum(void);
  98
  99/**
 100 * mmc_do_preinit() - Get an MMC device ready for use
 101 */
 102void mmc_do_preinit(void);
 103
 104/**
 105 * mmc_list_init() - Set up the list of MMC devices
 106 */
 107void mmc_list_init(void);
 108
 109/**
 110 * mmc_list_add() - Add a new MMC device to the list of devices
 111 *
 112 * @mmc:        Device to add
 113 */
 114void mmc_list_add(struct mmc *mmc);
 115
 116/**
 117 * mmc_switch_part() - Switch to a new MMC hardware partition
 118 *
 119 * @mmc:        MMC device
 120 * @part_num:   Hardware partition number
 121 * @return 0 if OK, -ve on error
 122 */
 123int mmc_switch_part(struct mmc *mmc, unsigned int part_num);
 124
 125/**
 126 * mmc_switch() - Issue and MMC switch mode command
 127 *
 128 * @mmc:        MMC device
 129 * @set:        Unused
 130 * @index:      Cmdarg index
 131 * @value:      Cmdarg value
 132 * @return 0 if OK, -ve on error
 133 */
 134int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value);
 135
 136#endif /* _MMC_PRIVATE_H_ */
 137