mmcsd.h 3.9 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101
  1. /****************************************************************************
  2. * include/nuttx/mmcsd.h
  3. *
  4. * Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
  5. * Author: Gregory Nutt <gnutt@nuttx.org>
  6. *
  7. * Redistribution and use in source and binary forms, with or without
  8. * modification, are permitted provided that the following conditions
  9. * are met:
  10. *
  11. * 1. Redistributions of source code must retain the above copyright
  12. * notice, this list of conditions and the following disclaimer.
  13. * 2. Redistributions in binary form must reproduce the above copyright
  14. * notice, this list of conditions and the following disclaimer in
  15. * the documentation and/or other materials provided with the
  16. * distribution.
  17. * 3. Neither the name NuttX nor the names of its contributors may be
  18. * used to endorse or promote products derived from this software
  19. * without specific prior written permission.
  20. *
  21. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24. * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  25. * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27. * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  28. * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29. * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  31. * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32. * POSSIBILITY OF SUCH DAMAGE.
  33. *
  34. ****************************************************************************/
  35. #ifndef __INCLUDE_NUTTX_MMCSD_H
  36. #define __INCLUDE_NUTTX_MMCSD_H
  37. /****************************************************************************
  38. * Included Files
  39. ****************************************************************************/
  40. #include <nuttx/config.h>
  41. /****************************************************************************
  42. * Public Functions
  43. ****************************************************************************/
  44. #undef EXTERN
  45. #if defined(__cplusplus)
  46. #define EXTERN extern "C"
  47. extern "C"
  48. {
  49. #else
  50. #define EXTERN extern
  51. #endif
  52. /****************************************************************************
  53. * Name: mmcsd_slotinitialize
  54. *
  55. * Description:
  56. * Initialize one slot for operation using the MMC/SD interface
  57. *
  58. * Input Parameters:
  59. * minor - The MMC/SD minor device number. The MMC/SD device will be
  60. * registered as /dev/mmcsdN where N is the minor number
  61. * dev - And instance of an MMC/SD interface. The MMC/SD hardware should
  62. * be initialized and ready to use.
  63. *
  64. ****************************************************************************/
  65. struct sdio_dev_s; /* See nuttx/sdio.h */
  66. int mmcsd_slotinitialize(int minor, FAR struct sdio_dev_s *dev);
  67. /****************************************************************************
  68. * Name: mmcsd_spislotinitialize
  69. *
  70. * Description:
  71. * Initialize one slot for operation using the SPI MMC/SD interface
  72. *
  73. * Input Parameters:
  74. * minor - The MMC/SD minor device number. The MMC/SD device will be
  75. * registered as /dev/mmcsdN where N is the minor number
  76. * slotno - The slot number to use. This is only meaningful for architectures
  77. * that support multiple MMC/SD slots. This value must be in the range
  78. * {0, ..., CONFIG_MMCSD_NSLOTS}.
  79. * spi - And instance of an SPI interface obtained by called the
  80. * appropriate xyz_spibus_initialize() function for the MCU "xyz" with
  81. * the appropriate port number.
  82. *
  83. ****************************************************************************/
  84. struct spi_dev_s; /* See nuttx/spi/spi.h */
  85. int mmcsd_spislotinitialize(int minor, int slotno, FAR struct spi_dev_s *spi);
  86. #undef EXTERN
  87. #if defined(__cplusplus)
  88. }
  89. #endif
  90. #endif /* __INCLUDE_NUTTX_MMCSD_H */