sdhci.h 4.4 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /*
  3. * Copyright (c) 2011 Samsung Electronics Co., Ltd.
  4. * http://www.samsung.com
  5. *
  6. * Copyright 2008 Openmoko, Inc.
  7. * Copyright 2008 Simtec Electronics
  8. * http://armlinux.simtec.co.uk/
  9. * Ben Dooks <[email protected]>
  10. *
  11. * S3C Platform - SDHCI (HSMMC) platform data definitions
  12. */
  13. #ifndef __PLAT_S3C_SDHCI_H
  14. #define __PLAT_S3C_SDHCI_H __FILE__
  15. #include <linux/platform_data/mmc-sdhci-s3c.h>
  16. #include "devs.h"
  17. /* s3c_sdhci_set_platdata() - common helper for setting SDHCI platform data
  18. * @pd: The default platform data for this device.
  19. * @set: Pointer to the platform data to fill in.
  20. */
  21. extern void s3c_sdhci_set_platdata(struct s3c_sdhci_platdata *pd,
  22. struct s3c_sdhci_platdata *set);
  23. /**
  24. * s3c_sdhci0_set_platdata - Set platform data for S3C SDHCI device.
  25. * @pd: Platform data to register to device.
  26. *
  27. * Register the given platform data for use withe S3C SDHCI device.
  28. * The call will copy the platform data, so the board definitions can
  29. * make the structure itself __initdata.
  30. */
  31. extern void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd);
  32. extern void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd);
  33. extern void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd);
  34. extern void s3c_sdhci3_set_platdata(struct s3c_sdhci_platdata *pd);
  35. /* Default platform data, exported so that per-cpu initialisation can
  36. * set the correct one when there are more than one cpu type selected.
  37. */
  38. extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata;
  39. extern struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata;
  40. extern struct s3c_sdhci_platdata s3c_hsmmc2_def_platdata;
  41. extern struct s3c_sdhci_platdata s3c_hsmmc3_def_platdata;
  42. /* Helper function availability */
  43. extern void s3c2416_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
  44. extern void s3c2416_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
  45. extern void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
  46. extern void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
  47. extern void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
  48. /* S3C2416 SDHCI setup */
  49. #ifdef CONFIG_S3C2416_SETUP_SDHCI
  50. static inline void s3c2416_default_sdhci0(void)
  51. {
  52. #ifdef CONFIG_S3C_DEV_HSMMC
  53. s3c_hsmmc0_def_platdata.cfg_gpio = s3c2416_setup_sdhci0_cfg_gpio;
  54. #endif /* CONFIG_S3C_DEV_HSMMC */
  55. }
  56. static inline void s3c2416_default_sdhci1(void)
  57. {
  58. #ifdef CONFIG_S3C_DEV_HSMMC1
  59. s3c_hsmmc1_def_platdata.cfg_gpio = s3c2416_setup_sdhci1_cfg_gpio;
  60. #endif /* CONFIG_S3C_DEV_HSMMC1 */
  61. }
  62. #else
  63. static inline void s3c2416_default_sdhci0(void) { }
  64. static inline void s3c2416_default_sdhci1(void) { }
  65. #endif /* CONFIG_S3C2416_SETUP_SDHCI */
  66. /* S3C64XX SDHCI setup */
  67. #ifdef CONFIG_S3C64XX_SETUP_SDHCI
  68. static inline void s3c6400_default_sdhci0(void)
  69. {
  70. #ifdef CONFIG_S3C_DEV_HSMMC
  71. s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
  72. #endif
  73. }
  74. static inline void s3c6400_default_sdhci1(void)
  75. {
  76. #ifdef CONFIG_S3C_DEV_HSMMC1
  77. s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
  78. #endif
  79. }
  80. static inline void s3c6400_default_sdhci2(void)
  81. {
  82. #ifdef CONFIG_S3C_DEV_HSMMC2
  83. s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
  84. #endif
  85. }
  86. static inline void s3c6410_default_sdhci0(void)
  87. {
  88. #ifdef CONFIG_S3C_DEV_HSMMC
  89. s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
  90. #endif
  91. }
  92. static inline void s3c6410_default_sdhci1(void)
  93. {
  94. #ifdef CONFIG_S3C_DEV_HSMMC1
  95. s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
  96. #endif
  97. }
  98. static inline void s3c6410_default_sdhci2(void)
  99. {
  100. #ifdef CONFIG_S3C_DEV_HSMMC2
  101. s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
  102. #endif
  103. }
  104. #else
  105. static inline void s3c6410_default_sdhci0(void) { }
  106. static inline void s3c6410_default_sdhci1(void) { }
  107. static inline void s3c6410_default_sdhci2(void) { }
  108. static inline void s3c6400_default_sdhci0(void) { }
  109. static inline void s3c6400_default_sdhci1(void) { }
  110. static inline void s3c6400_default_sdhci2(void) { }
  111. #endif /* CONFIG_S3C64XX_SETUP_SDHCI */
  112. static inline void s3c_sdhci_setname(int id, char *name)
  113. {
  114. switch (id) {
  115. #ifdef CONFIG_S3C_DEV_HSMMC
  116. case 0:
  117. s3c_device_hsmmc0.name = name;
  118. break;
  119. #endif
  120. #ifdef CONFIG_S3C_DEV_HSMMC1
  121. case 1:
  122. s3c_device_hsmmc1.name = name;
  123. break;
  124. #endif
  125. #ifdef CONFIG_S3C_DEV_HSMMC2
  126. case 2:
  127. s3c_device_hsmmc2.name = name;
  128. break;
  129. #endif
  130. #ifdef CONFIG_S3C_DEV_HSMMC3
  131. case 3:
  132. s3c_device_hsmmc3.name = name;
  133. break;
  134. #endif
  135. default:
  136. break;
  137. }
  138. }
  139. #endif /* __PLAT_S3C_SDHCI_H */