arch/arm/plat-samsung/include/plat/sdhci.h

   1 /* linux/arch/arm/plat-samsung/include/plat/sdhci.h
   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 <ben@simtec.co.uk>
  10  *
  11  * S3C Platform - SDHCI (HSMMC) platform data definitions
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License version 2 as
  15  * published by the Free Software Foundation.
  16 */
  17
  18 #ifndef __PLAT_S3C_SDHCI_H
  19 #define __PLAT_S3C_SDHCI_H __FILE__
  20
  21 #include <linux/platform_data/mmc-sdhci-s3c.h>
  22 #include <plat/devs.h>
  23
  24 /* s3c_sdhci_set_platdata() - common helper for setting SDHCI platform data
  25  * @pd: The default platform data for this device.
  26  * @set: Pointer to the platform data to fill in.
  27  */
  28 extern void s3c_sdhci_set_platdata(struct s3c_sdhci_platdata *pd,
  29                                     struct s3c_sdhci_platdata *set);
  30
  31 /**
  32  * s3c_sdhci0_set_platdata - Set platform data for S3C SDHCI device.
  33  * @pd: Platform data to register to device.
  34  *
  35  * Register the given platform data for use withe S3C SDHCI device.
  36  * The call will copy the platform data, so the board definitions can
  37  * make the structure itself __initdata.
  38  */
  39 extern void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd);
  40 extern void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd);
  41 extern void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd);
  42 extern void s3c_sdhci3_set_platdata(struct s3c_sdhci_platdata *pd);
  43
  44 /* Default platform data, exported so that per-cpu initialisation can
  45  * set the correct one when there are more than one cpu type selected.
  46 */
  47
  48 extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata;
  49 extern struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata;
  50 extern struct s3c_sdhci_platdata s3c_hsmmc2_def_platdata;
  51 extern struct s3c_sdhci_platdata s3c_hsmmc3_def_platdata;
  52
  53 /* Helper function availability */
  54
  55 extern void s3c2416_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
  56 extern void s3c2416_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
  57 extern void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
  58 extern void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
  59 extern void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
  60
  61 /* S3C2416 SDHCI setup */
  62
  63 #ifdef CONFIG_S3C2416_SETUP_SDHCI
  64 static inline void s3c2416_default_sdhci0(void)
  65 {
  66 #ifdef CONFIG_S3C_DEV_HSMMC
  67         s3c_hsmmc0_def_platdata.cfg_gpio = s3c2416_setup_sdhci0_cfg_gpio;
  68 #endif /* CONFIG_S3C_DEV_HSMMC */
  69 }
  70
  71 static inline void s3c2416_default_sdhci1(void)
  72 {
  73 #ifdef CONFIG_S3C_DEV_HSMMC1
  74         s3c_hsmmc1_def_platdata.cfg_gpio = s3c2416_setup_sdhci1_cfg_gpio;
  75 #endif /* CONFIG_S3C_DEV_HSMMC1 */
  76 }
  77
  78 #else
  79 static inline void s3c2416_default_sdhci0(void) { }
  80 static inline void s3c2416_default_sdhci1(void) { }
  81
  82 #endif /* CONFIG_S3C2416_SETUP_SDHCI */
  83
  84 /* S3C64XX SDHCI setup */
  85
  86 #ifdef CONFIG_S3C64XX_SETUP_SDHCI
  87 static inline void s3c6400_default_sdhci0(void)
  88 {
  89 #ifdef CONFIG_S3C_DEV_HSMMC
  90         s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
  91 #endif
  92 }
  93
  94 static inline void s3c6400_default_sdhci1(void)
  95 {
  96 #ifdef CONFIG_S3C_DEV_HSMMC1
  97         s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
  98 #endif
  99 }
 100
 101 static inline void s3c6400_default_sdhci2(void)
 102 {
 103 #ifdef CONFIG_S3C_DEV_HSMMC2
 104         s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
 105 #endif
 106 }
 107
 108 static inline void s3c6410_default_sdhci0(void)
 109 {
 110 #ifdef CONFIG_S3C_DEV_HSMMC
 111         s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
 112 #endif
 113 }
 114
 115 static inline void s3c6410_default_sdhci1(void)
 116 {
 117 #ifdef CONFIG_S3C_DEV_HSMMC1
 118         s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
 119 #endif
 120 }
 121
 122 static inline void s3c6410_default_sdhci2(void)
 123 {
 124 #ifdef CONFIG_S3C_DEV_HSMMC2
 125         s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
 126 #endif
 127 }
 128
 129 #else
 130 static inline void s3c6410_default_sdhci0(void) { }
 131 static inline void s3c6410_default_sdhci1(void) { }
 132 static inline void s3c6410_default_sdhci2(void) { }
 133 static inline void s3c6400_default_sdhci0(void) { }
 134 static inline void s3c6400_default_sdhci1(void) { }
 135 static inline void s3c6400_default_sdhci2(void) { }
 136
 137 #endif /* CONFIG_S3C64XX_SETUP_SDHCI */
 138
 139 static inline void s3c_sdhci_setname(int id, char *name)
 140 {
 141         switch (id) {
 142 #ifdef CONFIG_S3C_DEV_HSMMC
 143         case 0:
 144                 s3c_device_hsmmc0.name = name;
 145                 break;
 146 #endif
 147 #ifdef CONFIG_S3C_DEV_HSMMC1
 148         case 1:
 149                 s3c_device_hsmmc1.name = name;
 150                 break;
 151 #endif
 152 #ifdef CONFIG_S3C_DEV_HSMMC2
 153         case 2:
 154                 s3c_device_hsmmc2.name = name;
 155                 break;
 156 #endif
 157 #ifdef CONFIG_S3C_DEV_HSMMC3
 158         case 3:
 159                 s3c_device_hsmmc3.name = name;
 160                 break;
 161 #endif
 162         default:
 163                 break;
 164         }
 165 }
 166 #endif /* __PLAT_S3C_SDHCI_H */