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 s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
  52 extern void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
  53 extern void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
  54
  55 /* S3C64XX SDHCI setup */
  56
  57 #ifdef CONFIG_S3C64XX_SETUP_SDHCI
  58 static inline void s3c6400_default_sdhci0(void)
  59 {
  60 #ifdef CONFIG_S3C_DEV_HSMMC
  61         s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
  62 #endif
  63 }
  64
  65 static inline void s3c6400_default_sdhci1(void)
  66 {
  67 #ifdef CONFIG_S3C_DEV_HSMMC1
  68         s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
  69 #endif
  70 }
  71
  72 static inline void s3c6400_default_sdhci2(void)
  73 {
  74 #ifdef CONFIG_S3C_DEV_HSMMC2
  75         s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
  76 #endif
  77 }
  78
  79 static inline void s3c6410_default_sdhci0(void)
  80 {
  81 #ifdef CONFIG_S3C_DEV_HSMMC
  82         s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
  83 #endif
  84 }
  85
  86 static inline void s3c6410_default_sdhci1(void)
  87 {
  88 #ifdef CONFIG_S3C_DEV_HSMMC1
  89         s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
  90 #endif
  91 }
  92
  93 static inline void s3c6410_default_sdhci2(void)
  94 {
  95 #ifdef CONFIG_S3C_DEV_HSMMC2
  96         s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
  97 #endif
  98 }
  99
 100 #else
 101 static inline void s3c6410_default_sdhci0(void) { }
 102 static inline void s3c6410_default_sdhci1(void) { }
 103 static inline void s3c6410_default_sdhci2(void) { }
 104 static inline void s3c6400_default_sdhci0(void) { }
 105 static inline void s3c6400_default_sdhci1(void) { }
 106 static inline void s3c6400_default_sdhci2(void) { }
 107
 108 #endif /* CONFIG_S3C64XX_SETUP_SDHCI */
 109
 110 static inline void s3c_sdhci_setname(int id, char *name)
 111 {
 112         switch (id) {
 113 #ifdef CONFIG_S3C_DEV_HSMMC
 114         case 0:
 115                 s3c_device_hsmmc0.name = name;
 116                 break;
 117 #endif
 118 #ifdef CONFIG_S3C_DEV_HSMMC1
 119         case 1:
 120                 s3c_device_hsmmc1.name = name;
 121                 break;
 122 #endif
 123 #ifdef CONFIG_S3C_DEV_HSMMC2
 124         case 2:
 125                 s3c_device_hsmmc2.name = name;
 126                 break;
 127 #endif
 128 #ifdef CONFIG_S3C_DEV_HSMMC3
 129         case 3:
 130                 s3c_device_hsmmc3.name = name;
 131                 break;
 132 #endif
 133         default:
 134                 break;
 135         }
 136 }
 137 #endif /* __PLAT_S3C_SDHCI_H */