summaryrefslogtreecommitdiff
path: root/arch/arm/plat-s3c/include/plat/sdhci.h
blob: 53198673b6bde4677886a017da928c2cce5dda7e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
/* linux/arch/arm/plat-s3c/include/plat/sdhci.h
 *
 * Copyright 2008 Openmoko, Inc.
 * Copyright 2008 Simtec Electronics
 *	http://armlinux.simtec.co.uk/
 *	Ben Dooks <ben@simtec.co.uk>
 *
 * S3C Platform - SDHCI (HSMMC) platform data definitions
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
*/

#ifndef __PLAT_S3C_SDHCI_H
#define __PLAT_S3C_SDHCI_H __FILE__

struct platform_device;
struct mmc_host;
struct mmc_card;
struct mmc_ios;

/**
 * struct s3c_sdhci_platdata() - Platform device data for Samsung SDHCI
 * @max_width: The maximum number of data bits supported.
 * @host_caps: Standard MMC host capabilities bit field.
 * @cfg_gpio: Configure the GPIO for a specific card bit-width
 * @cfg_card: Configure the interface for a specific card and speed. This
 *            is necessary the controllers and/or GPIO blocks require the
 *	      changing of driver-strength and other controls dependant on
 *	      the card and speed of operation.
 *
 * Initialisation data specific to either the machine or the platform
 * for the device driver to use or call-back when configuring gpio or
 * card speed information.
*/
struct s3c_sdhci_platdata {
	unsigned int	max_width;
	unsigned int	host_caps;

	char		**clocks;	/* set of clock sources */

	void	(*cfg_gpio)(struct platform_device *dev, int width);
	void	(*cfg_card)(struct platform_device *dev,
			    void __iomem *regbase,
			    struct mmc_ios *ios,
			    struct mmc_card *card);
};

/**
 * s3c_sdhci0_set_platdata - Set platform data for S3C SDHCI device.
 * @pd: Platform data to register to device.
 *
 * Register the given platform data for use withe S3C SDHCI device.
 * The call will copy the platform data, so the board definitions can
 * make the structure itself __initdata.
 */
extern void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd);
extern void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd);
extern void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd);

/* Default platform data, exported so that per-cpu initialisation can
 * set the correct one when there are more than one cpu type selected.
*/

extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata;
extern struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata;
extern struct s3c_sdhci_platdata s3c_hsmmc2_def_platdata;

/* Helper function availablity */

extern void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
extern void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
extern void s5pc100_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
extern void s5pc100_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
extern void s5pc100_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
extern void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *, int w);

/* S3C6400 SDHCI setup */

#ifdef CONFIG_S3C6400_SETUP_SDHCI
extern char *s3c6400_hsmmc_clksrcs[4];

#ifdef CONFIG_S3C_DEV_HSMMC
extern void s3c6400_setup_sdhci_cfg_card(struct platform_device *dev,
					 void __iomem *r,
					 struct mmc_ios *ios,
					 struct mmc_card *card);

static inline void s3c6400_default_sdhci0(void)
{
	s3c_hsmmc0_def_platdata.clocks = s3c6400_hsmmc_clksrcs;
	s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
	s3c_hsmmc0_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
}

#else
static inline void s3c6400_default_sdhci0(void) { }
#endif  /* CONFIG_S3C_DEV_HSMMC */

#ifdef CONFIG_S3C_DEV_HSMMC1
static inline void s3c6400_default_sdhci1(void)
{
	s3c_hsmmc1_def_platdata.clocks = s3c6400_hsmmc_clksrcs;
	s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
	s3c_hsmmc1_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
}
#else
static inline void s3c6400_default_sdhci1(void) { }
#endif /* CONFIG_S3C_DEV_HSMMC1 */

#ifdef CONFIG_S3C_DEV_HSMMC2
static inline void s3c6400_default_sdhci2(void)
{
	s3c_hsmmc2_def_platdata.clocks = s3c6400_hsmmc_clksrcs;
	s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
	s3c_hsmmc2_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
}
#else
static inline void s3c6400_default_sdhci2(void) { }
#endif /* CONFIG_S3C_DEV_HSMMC2 */

#else
static inline void s3c6400_default_sdhci0(void) { }
static inline void s3c6400_default_sdhci1(void) { }
#endif /* CONFIG_S3C6400_SETUP_SDHCI */

/* S3C6410 SDHCI setup */

#ifdef CONFIG_S3C6410_SETUP_SDHCI
extern char *s3c6410_hsmmc_clksrcs[4];

extern void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev,
					   void __iomem *r,
					   struct mmc_ios *ios,
					   struct mmc_card *card);

#ifdef CONFIG_S3C_DEV_HSMMC
static inline void s3c6410_default_sdhci0(void)
{
	s3c_hsmmc0_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
	s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
	s3c_hsmmc0_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
}
#else
static inline void s3c6410_default_sdhci0(void) { }
#endif /* CONFIG_S3C_DEV_HSMMC */

#ifdef CONFIG_S3C_DEV_HSMMC1
static inline void s3c6410_default_sdhci1(void)
{
	s3c_hsmmc1_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
	s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
	s3c_hsmmc1_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
}
#else
static inline void s3c6410_default_sdhci1(void) { }
#endif /* CONFIG_S3C_DEV_HSMMC1 */

#ifdef CONFIG_S3C_DEV_HSMMC2
static inline void s3c6410_default_sdhci2(void)
{
	s3c_hsmmc2_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
	s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
	s3c_hsmmc2_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
}
#else
static inline void s3c6410_default_sdhci2(void) { }
#endif /* CONFIG_S3C_DEV_HSMMC2 */

#else
static inline void s3c6410_default_sdhci0(void) { }
static inline void s3c6410_default_sdhci1(void) { }
#endif /* CONFIG_S3C6410_SETUP_SDHCI */

/* S5PC100 SDHCI setup */

#ifdef CONFIG_S5PC100_SETUP_SDHCI
extern char *s5pc100_hsmmc_clksrcs[4];

extern void s5pc100_setup_sdhci0_cfg_card(struct platform_device *dev,
					   void __iomem *r,
					   struct mmc_ios *ios,
					   struct mmc_card *card);

#ifdef CONFIG_S3C_DEV_HSMMC
static inline void s5pc100_default_sdhci0(void)
{
	s3c_hsmmc0_def_platdata.clocks = s5pc100_hsmmc_clksrcs;
	s3c_hsmmc0_def_platdata.cfg_gpio = s5pc100_setup_sdhci0_cfg_gpio;
	s3c_hsmmc0_def_platdata.cfg_card = s5pc100_setup_sdhci0_cfg_card;
}
#else
static inline void s5pc100_default_sdhci0(void) { }
#endif /* CONFIG_S3C_DEV_HSMMC */

#ifdef CONFIG_S3C_DEV_HSMMC1
static inline void s5pc100_default_sdhci1(void)
{
	s3c_hsmmc1_def_platdata.clocks = s5pc100_hsmmc_clksrcs;
	s3c_hsmmc1_def_platdata.cfg_gpio = s5pc100_setup_sdhci1_cfg_gpio;
	s3c_hsmmc1_def_platdata.cfg_card = s5pc100_setup_sdhci0_cfg_card;
}
#else
static inline void s5pc100_default_sdhci1(void) { }
#endif /* CONFIG_S3C_DEV_HSMMC1 */

#ifdef CONFIG_S3C_DEV_HSMMC2
static inline void s5pc100_default_sdhci2(void)
{
	s3c_hsmmc2_def_platdata.clocks = s5pc100_hsmmc_clksrcs;
	s3c_hsmmc2_def_platdata.cfg_gpio = s5pc100_setup_sdhci2_cfg_gpio;
	s3c_hsmmc2_def_platdata.cfg_card = s5pc100_setup_sdhci0_cfg_card;
}
#else
static inline void s5pc100_default_sdhci2(void) { }
#endif /* CONFIG_S3C_DEV_HSMMC1 */


#else
static inline void s5pc100_default_sdhci0(void) { }
static inline void s5pc100_default_sdhci1(void) { }
static inline void s5pc100_default_sdhci2(void) { }
#endif /* CONFIG_S5PC100_SETUP_SDHCI */

#endif /* __PLAT_S3C_SDHCI_H */