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 */
 24extern 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 */
 35extern void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd);
 36extern void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd);
 37extern void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd);
 38extern 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
 44extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata;
 45extern struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata;
 46extern struct s3c_sdhci_platdata s3c_hsmmc2_def_platdata;
 47extern struct s3c_sdhci_platdata s3c_hsmmc3_def_platdata;
 48
 49/* Helper function availability */
 50
 51extern void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
 52extern void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
 53extern void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
 54
 55/* S3C64XX SDHCI setup */
 56
 57#ifdef CONFIG_S3C64XX_SETUP_SDHCI
 58static 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
 65static 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
 72static 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
 79static 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
 86static 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
 93static 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
101static inline void s3c6410_default_sdhci0(void) { }
102static inline void s3c6410_default_sdhci1(void) { }
103static inline void s3c6410_default_sdhci2(void) { }
104static inline void s3c6400_default_sdhci0(void) { }
105static inline void s3c6400_default_sdhci1(void) { }
106static inline void s3c6400_default_sdhci2(void) { }
107
108#endif /* CONFIG_S3C64XX_SETUP_SDHCI */
109
110static 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 */