Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
sdhci.h
Go to the documentation of this file.
1 /* linux/arch/arm/plat-samsung/include/plat/sdhci.h
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 <[email protected]>
10  *
11  * S3C Platform - SDHCI (HSMMC) platform data definitions
12  *
13  * This program is free software; you can redistribute it and/or modify
14  * it under the terms of the GNU General Public License version 2 as
15  * published by the Free Software Foundation.
16 */
17 
18 #ifndef __PLAT_S3C_SDHCI_H
19 #define __PLAT_S3C_SDHCI_H __FILE__
20 
21 #include <plat/devs.h>
22 
23 struct platform_device;
24 struct mmc_host;
25 struct mmc_card;
26 struct mmc_ios;
27 
28 enum cd_types {
29  S3C_SDHCI_CD_INTERNAL, /* use mmc internal CD line */
30  S3C_SDHCI_CD_EXTERNAL, /* use external callback */
31  S3C_SDHCI_CD_GPIO, /* use external gpio pin for CD line */
32  S3C_SDHCI_CD_NONE, /* no CD line, use polling to detect card */
33  S3C_SDHCI_CD_PERMANENT, /* no CD line, card permanently wired to host */
34 };
35 
60 struct s3c_sdhci_platdata {
61  unsigned int max_width;
62  unsigned int host_caps;
63  unsigned int host_caps2;
64  unsigned int pm_caps;
65  enum cd_types cd_type;
66 
67  int ext_cd_gpio;
68  bool ext_cd_gpio_invert;
69  int (*ext_cd_init)(void (*notify_func)(struct platform_device *,
70  int state));
71  int (*ext_cd_cleanup)(void (*notify_func)(struct platform_device *,
72  int state));
73 
74  void (*cfg_gpio)(struct platform_device *dev, int width);
75 };
76 
77 /* s3c_sdhci_set_platdata() - common helper for setting SDHCI platform data
78  * @pd: The default platform data for this device.
79  * @set: Pointer to the platform data to fill in.
80  */
81 extern void s3c_sdhci_set_platdata(struct s3c_sdhci_platdata *pd,
82  struct s3c_sdhci_platdata *set);
83 
92 extern void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd);
93 extern void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd);
94 extern void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd);
95 extern void s3c_sdhci3_set_platdata(struct s3c_sdhci_platdata *pd);
96 
97 /* Default platform data, exported so that per-cpu initialisation can
98  * set the correct one when there are more than one cpu type selected.
99 */
100 
101 extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata;
102 extern struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata;
103 extern struct s3c_sdhci_platdata s3c_hsmmc2_def_platdata;
104 extern struct s3c_sdhci_platdata s3c_hsmmc3_def_platdata;
105 
106 /* Helper function availability */
107 
108 extern void s3c2416_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
109 extern void s3c2416_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
110 extern void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
111 extern void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
112 extern void s5pc100_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
113 extern void s5pc100_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
114 extern void s5pc100_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
115 extern void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
116 extern void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
117 extern void s5pv210_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
118 extern void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
119 extern void s5pv210_setup_sdhci3_cfg_gpio(struct platform_device *, int w);
120 extern void exynos4_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
121 extern void exynos4_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
122 extern void exynos4_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
123 extern void exynos4_setup_sdhci3_cfg_gpio(struct platform_device *, int w);
124 extern void s5p64x0_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
125 extern void s5p64x0_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
126 extern void s5p6440_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
127 extern void s5p6450_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
128 
129 /* S3C2416 SDHCI setup */
130 
131 #ifdef CONFIG_S3C2416_SETUP_SDHCI
132 static inline void s3c2416_default_sdhci0(void)
133 {
134 #ifdef CONFIG_S3C_DEV_HSMMC
135  s3c_hsmmc0_def_platdata.cfg_gpio = s3c2416_setup_sdhci0_cfg_gpio;
136 #endif /* CONFIG_S3C_DEV_HSMMC */
137 }
138 
139 static inline void s3c2416_default_sdhci1(void)
140 {
141 #ifdef CONFIG_S3C_DEV_HSMMC1
142  s3c_hsmmc1_def_platdata.cfg_gpio = s3c2416_setup_sdhci1_cfg_gpio;
143 #endif /* CONFIG_S3C_DEV_HSMMC1 */
144 }
145 
146 #else
147 static inline void s3c2416_default_sdhci0(void) { }
148 static inline void s3c2416_default_sdhci1(void) { }
149 
150 #endif /* CONFIG_S3C2416_SETUP_SDHCI */
151 
152 /* S3C64XX SDHCI setup */
153 
154 #ifdef CONFIG_S3C64XX_SETUP_SDHCI
155 static inline void s3c6400_default_sdhci0(void)
156 {
157 #ifdef CONFIG_S3C_DEV_HSMMC
158  s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
159 #endif
160 }
161 
162 static inline void s3c6400_default_sdhci1(void)
163 {
164 #ifdef CONFIG_S3C_DEV_HSMMC1
165  s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
166 #endif
167 }
168 
169 static inline void s3c6400_default_sdhci2(void)
170 {
171 #ifdef CONFIG_S3C_DEV_HSMMC2
172  s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
173 #endif
174 }
175 
176 static inline void s3c6410_default_sdhci0(void)
177 {
178 #ifdef CONFIG_S3C_DEV_HSMMC
179  s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
180 #endif
181 }
182 
183 static inline void s3c6410_default_sdhci1(void)
184 {
185 #ifdef CONFIG_S3C_DEV_HSMMC1
186  s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
187 #endif
188 }
189 
190 static inline void s3c6410_default_sdhci2(void)
191 {
192 #ifdef CONFIG_S3C_DEV_HSMMC2
193  s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
194 #endif
195 }
196 
197 #else
198 static inline void s3c6410_default_sdhci0(void) { }
199 static inline void s3c6410_default_sdhci1(void) { }
200 static inline void s3c6410_default_sdhci2(void) { }
201 static inline void s3c6400_default_sdhci0(void) { }
202 static inline void s3c6400_default_sdhci1(void) { }
203 static inline void s3c6400_default_sdhci2(void) { }
204 
205 #endif /* CONFIG_S3C64XX_SETUP_SDHCI */
206 
207 /* S5P64X0 SDHCI setup */
208 
209 #ifdef CONFIG_S5P64X0_SETUP_SDHCI
210 static inline void s5p64x0_default_sdhci0(void)
211 {
212 #ifdef CONFIG_S3C_DEV_HSMMC
213  s3c_hsmmc0_def_platdata.cfg_gpio = s5p64x0_setup_sdhci0_cfg_gpio;
214 #endif
215 }
216 
217 static inline void s5p64x0_default_sdhci1(void)
218 {
219 #ifdef CONFIG_S3C_DEV_HSMMC1
220  s3c_hsmmc1_def_platdata.cfg_gpio = s5p64x0_setup_sdhci1_cfg_gpio;
221 #endif
222 }
223 
224 static inline void s5p6440_default_sdhci2(void)
225 {
226 #ifdef CONFIG_S3C_DEV_HSMMC2
227  s3c_hsmmc2_def_platdata.cfg_gpio = s5p6440_setup_sdhci2_cfg_gpio;
228 #endif
229 }
230 
231 static inline void s5p6450_default_sdhci2(void)
232 {
233 #ifdef CONFIG_S3C_DEV_HSMMC2
234  s3c_hsmmc2_def_platdata.cfg_gpio = s5p6450_setup_sdhci2_cfg_gpio;
235 #endif
236 }
237 
238 #else
239 static inline void s5p64x0_default_sdhci0(void) { }
240 static inline void s5p64x0_default_sdhci1(void) { }
241 static inline void s5p6440_default_sdhci2(void) { }
242 static inline void s5p6450_default_sdhci2(void) { }
243 
244 #endif /* CONFIG_S5P64X0_SETUP_SDHCI */
245 
246 /* S5PC100 SDHCI setup */
247 
248 #ifdef CONFIG_S5PC100_SETUP_SDHCI
249 static inline void s5pc100_default_sdhci0(void)
250 {
251 #ifdef CONFIG_S3C_DEV_HSMMC
252  s3c_hsmmc0_def_platdata.cfg_gpio = s5pc100_setup_sdhci0_cfg_gpio;
253 #endif
254 }
255 
256 static inline void s5pc100_default_sdhci1(void)
257 {
258 #ifdef CONFIG_S3C_DEV_HSMMC1
259  s3c_hsmmc1_def_platdata.cfg_gpio = s5pc100_setup_sdhci1_cfg_gpio;
260 #endif
261 }
262 
263 static inline void s5pc100_default_sdhci2(void)
264 {
265 #ifdef CONFIG_S3C_DEV_HSMMC2
266  s3c_hsmmc2_def_platdata.cfg_gpio = s5pc100_setup_sdhci2_cfg_gpio;
267 #endif
268 }
269 
270 #else
271 static inline void s5pc100_default_sdhci0(void) { }
272 static inline void s5pc100_default_sdhci1(void) { }
273 static inline void s5pc100_default_sdhci2(void) { }
274 
275 #endif /* CONFIG_S5PC100_SETUP_SDHCI */
276 
277 /* S5PV210 SDHCI setup */
278 
279 #ifdef CONFIG_S5PV210_SETUP_SDHCI
280 static inline void s5pv210_default_sdhci0(void)
281 {
282 #ifdef CONFIG_S3C_DEV_HSMMC
283  s3c_hsmmc0_def_platdata.cfg_gpio = s5pv210_setup_sdhci0_cfg_gpio;
284 #endif
285 }
286 
287 static inline void s5pv210_default_sdhci1(void)
288 {
289 #ifdef CONFIG_S3C_DEV_HSMMC1
290  s3c_hsmmc1_def_platdata.cfg_gpio = s5pv210_setup_sdhci1_cfg_gpio;
291 #endif
292 }
293 
294 static inline void s5pv210_default_sdhci2(void)
295 {
296 #ifdef CONFIG_S3C_DEV_HSMMC2
297  s3c_hsmmc2_def_platdata.cfg_gpio = s5pv210_setup_sdhci2_cfg_gpio;
298 #endif
299 }
300 
301 static inline void s5pv210_default_sdhci3(void)
302 {
303 #ifdef CONFIG_S3C_DEV_HSMMC3
304  s3c_hsmmc3_def_platdata.cfg_gpio = s5pv210_setup_sdhci3_cfg_gpio;
305 #endif
306 }
307 
308 #else
309 static inline void s5pv210_default_sdhci0(void) { }
310 static inline void s5pv210_default_sdhci1(void) { }
311 static inline void s5pv210_default_sdhci2(void) { }
312 static inline void s5pv210_default_sdhci3(void) { }
313 
314 #endif /* CONFIG_S5PV210_SETUP_SDHCI */
315 
316 /* EXYNOS4 SDHCI setup */
317 #ifdef CONFIG_EXYNOS4_SETUP_SDHCI
318 static inline void exynos4_default_sdhci0(void)
319 {
320 #ifdef CONFIG_S3C_DEV_HSMMC
321  s3c_hsmmc0_def_platdata.cfg_gpio = exynos4_setup_sdhci0_cfg_gpio;
322 #endif
323 }
324 
325 static inline void exynos4_default_sdhci1(void)
326 {
327 #ifdef CONFIG_S3C_DEV_HSMMC1
328  s3c_hsmmc1_def_platdata.cfg_gpio = exynos4_setup_sdhci1_cfg_gpio;
329 #endif
330 }
331 
332 static inline void exynos4_default_sdhci2(void)
333 {
334 #ifdef CONFIG_S3C_DEV_HSMMC2
335  s3c_hsmmc2_def_platdata.cfg_gpio = exynos4_setup_sdhci2_cfg_gpio;
336 #endif
337 }
338 
339 static inline void exynos4_default_sdhci3(void)
340 {
341 #ifdef CONFIG_S3C_DEV_HSMMC3
342  s3c_hsmmc3_def_platdata.cfg_gpio = exynos4_setup_sdhci3_cfg_gpio;
343 #endif
344 }
345 
346 #else
347 static inline void exynos4_default_sdhci0(void) { }
348 static inline void exynos4_default_sdhci1(void) { }
349 static inline void exynos4_default_sdhci2(void) { }
350 static inline void exynos4_default_sdhci3(void) { }
351 
352 #endif /* CONFIG_EXYNOS4_SETUP_SDHCI */
353 
354 static inline void s3c_sdhci_setname(int id, char *name)
355 {
356  switch (id) {
357 #ifdef CONFIG_S3C_DEV_HSMMC
358  case 0:
359  s3c_device_hsmmc0.name = name;
360  break;
361 #endif
362 #ifdef CONFIG_S3C_DEV_HSMMC1
363  case 1:
364  s3c_device_hsmmc1.name = name;
365  break;
366 #endif
367 #ifdef CONFIG_S3C_DEV_HSMMC2
368  case 2:
369  s3c_device_hsmmc2.name = name;
370  break;
371 #endif
372 #ifdef CONFIG_S3C_DEV_HSMMC3
373  case 3:
374  s3c_device_hsmmc3.name = name;
375  break;
376 #endif
377  }
378 }
379 
380 #endif /* __PLAT_S3C_SDHCI_H */
Generated on Thu Jan 10 2013 13:03:25 for Linux Kernel by   doxygen 1.8.2