xref: /openbmc/linux/arch/arm/mach-s3c/sdhci.h (revision 6a143a7c)
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 */
163