1 /* linux/arch/arm/plat-samsung/include/plat/sdhci.h
3 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com
6 * Copyright 2008 Openmoko, Inc.
7 * Copyright 2008 Simtec Electronics
8 * http://armlinux.simtec.co.uk/
9 * Ben Dooks <ben@simtec.co.uk>
11 * S3C Platform - SDHCI (HSMMC) platform data definitions
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.
18 #ifndef __PLAT_S3C_SDHCI_H
19 #define __PLAT_S3C_SDHCI_H __FILE__
21 struct platform_device;
27 S3C_SDHCI_CD_INTERNAL, /* use mmc internal CD line */
28 S3C_SDHCI_CD_EXTERNAL, /* use external callback */
29 S3C_SDHCI_CD_GPIO, /* use external gpio pin for CD line */
30 S3C_SDHCI_CD_NONE, /* no CD line, use polling to detect card */
31 S3C_SDHCI_CD_PERMANENT, /* no CD line, card permanently wired to host */
35 S3C_SDHCI_CLK_DIV_INTERNAL, /* use mmc internal clock divider */
36 S3C_SDHCI_CLK_DIV_EXTERNAL, /* use external clock divider */
40 * struct s3c_sdhci_platdata() - Platform device data for Samsung SDHCI
41 * @max_width: The maximum number of data bits supported.
42 * @host_caps: Standard MMC host capabilities bit field.
43 * @cd_type: Type of Card Detection method (see cd_types enum above)
44 * @clk_type: Type of clock divider method (see clk_types enum above)
45 * @ext_cd_init: Initialize external card detect subsystem. Called on
46 * sdhci-s3c driver probe when cd_type == S3C_SDHCI_CD_EXTERNAL.
47 * notify_func argument is a callback to the sdhci-s3c driver
48 * that triggers the card detection event. Callback arguments:
49 * dev is pointer to platform device of the host controller,
50 * state is new state of the card (0 - removed, 1 - inserted).
51 * @ext_cd_cleanup: Cleanup external card detect subsystem. Called on
52 * sdhci-s3c driver remove when cd_type == S3C_SDHCI_CD_EXTERNAL.
53 * notify_func argument is the same callback as for ext_cd_init.
54 * @ext_cd_gpio: gpio pin used for external CD line, valid only if
55 * cd_type == S3C_SDHCI_CD_GPIO
56 * @ext_cd_gpio_invert: invert values for external CD gpio line
57 * @cfg_gpio: Configure the GPIO for a specific card bit-width
58 * @cfg_card: Configure the interface for a specific card and speed. This
59 * is necessary the controllers and/or GPIO blocks require the
60 * changing of driver-strength and other controls dependent on
61 * the card and speed of operation.
63 * Initialisation data specific to either the machine or the platform
64 * for the device driver to use or call-back when configuring gpio or
65 * card speed information.
67 struct s3c_sdhci_platdata {
68 unsigned int max_width;
69 unsigned int host_caps;
70 enum cd_types cd_type;
71 enum clk_types clk_type;
73 char **clocks; /* set of clock sources */
76 bool ext_cd_gpio_invert;
77 int (*ext_cd_init)(void (*notify_func)(struct platform_device *,
79 int (*ext_cd_cleanup)(void (*notify_func)(struct platform_device *,
82 void (*cfg_gpio)(struct platform_device *dev, int width);
83 void (*cfg_card)(struct platform_device *dev,
84 void __iomem *regbase,
86 struct mmc_card *card);
89 /* s3c_sdhci_set_platdata() - common helper for setting SDHCI platform data
90 * @pd: The default platform data for this device.
91 * @set: Pointer to the platform data to fill in.
93 extern void s3c_sdhci_set_platdata(struct s3c_sdhci_platdata *pd,
94 struct s3c_sdhci_platdata *set);
97 * s3c_sdhci0_set_platdata - Set platform data for S3C SDHCI device.
98 * @pd: Platform data to register to device.
100 * Register the given platform data for use withe S3C SDHCI device.
101 * The call will copy the platform data, so the board definitions can
102 * make the structure itself __initdata.
104 extern void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd);
105 extern void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd);
106 extern void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd);
107 extern void s3c_sdhci3_set_platdata(struct s3c_sdhci_platdata *pd);
109 /* Default platform data, exported so that per-cpu initialisation can
110 * set the correct one when there are more than one cpu type selected.
113 extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata;
114 extern struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata;
115 extern struct s3c_sdhci_platdata s3c_hsmmc2_def_platdata;
116 extern struct s3c_sdhci_platdata s3c_hsmmc3_def_platdata;
118 /* Helper function availability */
120 extern void s3c2416_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
121 extern void s3c2416_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
122 extern void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
123 extern void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
124 extern void s5pc100_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
125 extern void s5pc100_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
126 extern void s5pc100_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
127 extern void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
128 extern void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
129 extern void s5pv210_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
130 extern void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
131 extern void s5pv210_setup_sdhci3_cfg_gpio(struct platform_device *, int w);
132 extern void exynos4_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
133 extern void exynos4_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
134 extern void exynos4_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
135 extern void exynos4_setup_sdhci3_cfg_gpio(struct platform_device *, int w);
137 /* S3C2416 SDHCI setup */
139 #ifdef CONFIG_S3C2416_SETUP_SDHCI
140 extern char *s3c2416_hsmmc_clksrcs[4];
142 extern void s3c2416_setup_sdhci_cfg_card(struct platform_device *dev,
145 struct mmc_card *card);
147 static inline void s3c2416_default_sdhci0(void)
149 #ifdef CONFIG_S3C_DEV_HSMMC
150 s3c_hsmmc0_def_platdata.clocks = s3c2416_hsmmc_clksrcs;
151 s3c_hsmmc0_def_platdata.cfg_gpio = s3c2416_setup_sdhci0_cfg_gpio;
152 s3c_hsmmc0_def_platdata.cfg_card = s3c2416_setup_sdhci_cfg_card;
153 #endif /* CONFIG_S3C_DEV_HSMMC */
156 static inline void s3c2416_default_sdhci1(void)
158 #ifdef CONFIG_S3C_DEV_HSMMC1
159 s3c_hsmmc1_def_platdata.clocks = s3c2416_hsmmc_clksrcs;
160 s3c_hsmmc1_def_platdata.cfg_gpio = s3c2416_setup_sdhci1_cfg_gpio;
161 s3c_hsmmc1_def_platdata.cfg_card = s3c2416_setup_sdhci_cfg_card;
162 #endif /* CONFIG_S3C_DEV_HSMMC1 */
166 static inline void s3c2416_default_sdhci0(void) { }
167 static inline void s3c2416_default_sdhci1(void) { }
169 #endif /* CONFIG_S3C2416_SETUP_SDHCI */
170 /* S3C64XX SDHCI setup */
172 #ifdef CONFIG_S3C64XX_SETUP_SDHCI
173 extern char *s3c64xx_hsmmc_clksrcs[4];
175 extern void s3c6400_setup_sdhci_cfg_card(struct platform_device *dev,
178 struct mmc_card *card);
180 static inline void s3c6400_default_sdhci0(void)
182 #ifdef CONFIG_S3C_DEV_HSMMC
183 s3c_hsmmc0_def_platdata.clocks = s3c64xx_hsmmc_clksrcs;
184 s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
185 s3c_hsmmc0_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
189 static inline void s3c6400_default_sdhci1(void)
191 #ifdef CONFIG_S3C_DEV_HSMMC1
192 s3c_hsmmc1_def_platdata.clocks = s3c64xx_hsmmc_clksrcs;
193 s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
194 s3c_hsmmc1_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
198 static inline void s3c6400_default_sdhci2(void)
200 #ifdef CONFIG_S3C_DEV_HSMMC2
201 s3c_hsmmc2_def_platdata.clocks = s3c64xx_hsmmc_clksrcs;
202 s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
203 s3c_hsmmc2_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
207 extern void s3c6410_setup_sdhci_cfg_card(struct platform_device *dev,
210 struct mmc_card *card);
212 static inline void s3c6410_default_sdhci0(void)
214 #ifdef CONFIG_S3C_DEV_HSMMC
215 s3c_hsmmc0_def_platdata.clocks = s3c64xx_hsmmc_clksrcs;
216 s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
217 s3c_hsmmc0_def_platdata.cfg_card = s3c6410_setup_sdhci_cfg_card;
221 static inline void s3c6410_default_sdhci1(void)
223 #ifdef CONFIG_S3C_DEV_HSMMC1
224 s3c_hsmmc1_def_platdata.clocks = s3c64xx_hsmmc_clksrcs;
225 s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
226 s3c_hsmmc1_def_platdata.cfg_card = s3c6410_setup_sdhci_cfg_card;
230 static inline void s3c6410_default_sdhci2(void)
232 #ifdef CONFIG_S3C_DEV_HSMMC2
233 s3c_hsmmc2_def_platdata.clocks = s3c64xx_hsmmc_clksrcs;
234 s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
235 s3c_hsmmc2_def_platdata.cfg_card = s3c6410_setup_sdhci_cfg_card;
240 static inline void s3c6410_default_sdhci0(void) { }
241 static inline void s3c6410_default_sdhci1(void) { }
242 static inline void s3c6410_default_sdhci2(void) { }
243 static inline void s3c6400_default_sdhci0(void) { }
244 static inline void s3c6400_default_sdhci1(void) { }
245 static inline void s3c6400_default_sdhci2(void) { }
247 #endif /* CONFIG_S3C64XX_SETUP_SDHCI */
249 /* S5PC100 SDHCI setup */
251 #ifdef CONFIG_S5PC100_SETUP_SDHCI
252 extern char *s5pc100_hsmmc_clksrcs[4];
254 extern void s5pc100_setup_sdhci0_cfg_card(struct platform_device *dev,
257 struct mmc_card *card);
259 static inline void s5pc100_default_sdhci0(void)
261 #ifdef CONFIG_S3C_DEV_HSMMC
262 s3c_hsmmc0_def_platdata.clocks = s5pc100_hsmmc_clksrcs;
263 s3c_hsmmc0_def_platdata.cfg_gpio = s5pc100_setup_sdhci0_cfg_gpio;
264 s3c_hsmmc0_def_platdata.cfg_card = s5pc100_setup_sdhci0_cfg_card;
268 static inline void s5pc100_default_sdhci1(void)
270 #ifdef CONFIG_S3C_DEV_HSMMC1
271 s3c_hsmmc1_def_platdata.clocks = s5pc100_hsmmc_clksrcs;
272 s3c_hsmmc1_def_platdata.cfg_gpio = s5pc100_setup_sdhci1_cfg_gpio;
273 s3c_hsmmc1_def_platdata.cfg_card = s5pc100_setup_sdhci0_cfg_card;
277 static inline void s5pc100_default_sdhci2(void)
279 #ifdef CONFIG_S3C_DEV_HSMMC2
280 s3c_hsmmc2_def_platdata.clocks = s5pc100_hsmmc_clksrcs;
281 s3c_hsmmc2_def_platdata.cfg_gpio = s5pc100_setup_sdhci2_cfg_gpio;
282 s3c_hsmmc2_def_platdata.cfg_card = s5pc100_setup_sdhci0_cfg_card;
287 static inline void s5pc100_default_sdhci0(void) { }
288 static inline void s5pc100_default_sdhci1(void) { }
289 static inline void s5pc100_default_sdhci2(void) { }
291 #endif /* CONFIG_S5PC100_SETUP_SDHCI */
293 /* S5PV210 SDHCI setup */
295 #ifdef CONFIG_S5PV210_SETUP_SDHCI
296 extern char *s5pv210_hsmmc_clksrcs[4];
298 extern void s5pv210_setup_sdhci_cfg_card(struct platform_device *dev,
301 struct mmc_card *card);
303 static inline void s5pv210_default_sdhci0(void)
305 #ifdef CONFIG_S3C_DEV_HSMMC
306 s3c_hsmmc0_def_platdata.clocks = s5pv210_hsmmc_clksrcs;
307 s3c_hsmmc0_def_platdata.cfg_gpio = s5pv210_setup_sdhci0_cfg_gpio;
308 s3c_hsmmc0_def_platdata.cfg_card = s5pv210_setup_sdhci_cfg_card;
312 static inline void s5pv210_default_sdhci1(void)
314 #ifdef CONFIG_S3C_DEV_HSMMC1
315 s3c_hsmmc1_def_platdata.clocks = s5pv210_hsmmc_clksrcs;
316 s3c_hsmmc1_def_platdata.cfg_gpio = s5pv210_setup_sdhci1_cfg_gpio;
317 s3c_hsmmc1_def_platdata.cfg_card = s5pv210_setup_sdhci_cfg_card;
321 static inline void s5pv210_default_sdhci2(void)
323 #ifdef CONFIG_S3C_DEV_HSMMC2
324 s3c_hsmmc2_def_platdata.clocks = s5pv210_hsmmc_clksrcs;
325 s3c_hsmmc2_def_platdata.cfg_gpio = s5pv210_setup_sdhci2_cfg_gpio;
326 s3c_hsmmc2_def_platdata.cfg_card = s5pv210_setup_sdhci_cfg_card;
330 static inline void s5pv210_default_sdhci3(void)
332 #ifdef CONFIG_S3C_DEV_HSMMC3
333 s3c_hsmmc3_def_platdata.clocks = s5pv210_hsmmc_clksrcs;
334 s3c_hsmmc3_def_platdata.cfg_gpio = s5pv210_setup_sdhci3_cfg_gpio;
335 s3c_hsmmc3_def_platdata.cfg_card = s5pv210_setup_sdhci_cfg_card;
340 static inline void s5pv210_default_sdhci0(void) { }
341 static inline void s5pv210_default_sdhci1(void) { }
342 static inline void s5pv210_default_sdhci2(void) { }
343 static inline void s5pv210_default_sdhci3(void) { }
345 #endif /* CONFIG_S5PV210_SETUP_SDHCI */
347 /* EXYNOS4 SDHCI setup */
348 #ifdef CONFIG_EXYNOS4_SETUP_SDHCI
349 extern char *exynos4_hsmmc_clksrcs[4];
351 extern void exynos4_setup_sdhci_cfg_card(struct platform_device *dev,
354 struct mmc_card *card);
356 static inline void exynos4_default_sdhci0(void)
358 #ifdef CONFIG_S3C_DEV_HSMMC
359 s3c_hsmmc0_def_platdata.clocks = exynos4_hsmmc_clksrcs;
360 s3c_hsmmc0_def_platdata.cfg_gpio = exynos4_setup_sdhci0_cfg_gpio;
361 s3c_hsmmc0_def_platdata.cfg_card = exynos4_setup_sdhci_cfg_card;
365 static inline void exynos4_default_sdhci1(void)
367 #ifdef CONFIG_S3C_DEV_HSMMC1
368 s3c_hsmmc1_def_platdata.clocks = exynos4_hsmmc_clksrcs;
369 s3c_hsmmc1_def_platdata.cfg_gpio = exynos4_setup_sdhci1_cfg_gpio;
370 s3c_hsmmc1_def_platdata.cfg_card = exynos4_setup_sdhci_cfg_card;
374 static inline void exynos4_default_sdhci2(void)
376 #ifdef CONFIG_S3C_DEV_HSMMC2
377 s3c_hsmmc2_def_platdata.clocks = exynos4_hsmmc_clksrcs;
378 s3c_hsmmc2_def_platdata.cfg_gpio = exynos4_setup_sdhci2_cfg_gpio;
379 s3c_hsmmc2_def_platdata.cfg_card = exynos4_setup_sdhci_cfg_card;
383 static inline void exynos4_default_sdhci3(void)
385 #ifdef CONFIG_S3C_DEV_HSMMC3
386 s3c_hsmmc3_def_platdata.clocks = exynos4_hsmmc_clksrcs;
387 s3c_hsmmc3_def_platdata.cfg_gpio = exynos4_setup_sdhci3_cfg_gpio;
388 s3c_hsmmc3_def_platdata.cfg_card = exynos4_setup_sdhci_cfg_card;
393 static inline void exynos4_default_sdhci0(void) { }
394 static inline void exynos4_default_sdhci1(void) { }
395 static inline void exynos4_default_sdhci2(void) { }
396 static inline void exynos4_default_sdhci3(void) { }
398 #endif /* CONFIG_EXYNOS4_SETUP_SDHCI */
400 #endif /* __PLAT_S3C_SDHCI_H */