arch/arm/mach-s3c/sdhci.h

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