diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-30 17:36:49 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-30 17:36:49 -0800 |
commit | 14a3c4ab0e58d143c7928c9eb2f2610205e13bf2 (patch) | |
tree | 885992999d7a1a2fd3586efcf32ebcbcbc3a72aa /arch/arm/plat-s3c/include/plat/sdhci.h | |
parent | 1af237a099a3b8ff56aa384f605c6a68af7bf288 (diff) | |
parent | 47992cbdaef2f18a47871b2ed01ad27f568c8b73 (diff) |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (407 commits)
[ARM] pxafb: add support for overlay1 and overlay2 as framebuffer devices
[ARM] pxafb: cleanup of the timing checking code
[ARM] pxafb: cleanup of the color format manipulation code
[ARM] pxafb: add palette format support for LCCR4_PAL_FOR_3
[ARM] pxafb: add support for FBIOPAN_DISPLAY by dma braching
[ARM] pxafb: allow pxafb_set_par() to start from arbitrary yoffset
[ARM] pxafb: allow video memory size to be configurable
[ARM] pxa: add document on the MFP design and how to use it
[ARM] sa1100_wdt: don't assume CLOCK_TICK_RATE to be a constant
[ARM] rtc-sa1100: don't assume CLOCK_TICK_RATE to be a constant
[ARM] pxa/tavorevb: update board support (smartpanel LCD + keypad)
[ARM] pxa: Update eseries defconfig
[ARM] 5352/1: add w90p910-plat config file
[ARM] s3c: S3C options should depend on PLAT_S3C
[ARM] mv78xx0: implement GPIO and GPIO interrupt support
[ARM] Kirkwood: implement GPIO and GPIO interrupt support
[ARM] Orion: share GPIO IRQ handling code
[ARM] Orion: share GPIO handling code
[ARM] s3c: define __io using the typesafe version
[ARM] S3C64XX: Ensure CPU_V6 is selected
...
Diffstat (limited to 'arch/arm/plat-s3c/include/plat/sdhci.h')
-rw-r--r-- | arch/arm/plat-s3c/include/plat/sdhci.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c/include/plat/sdhci.h b/arch/arm/plat-s3c/include/plat/sdhci.h new file mode 100644 index 00000000000..c4ca3920ca4 --- /dev/null +++ b/arch/arm/plat-s3c/include/plat/sdhci.h @@ -0,0 +1,108 @@ +/* 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); + +/* 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; + +/* Helper function availablity */ + +#ifdef CONFIG_S3C6410_SETUP_SDHCI +extern char *s3c6410_hsmmc_clksrcs[4]; + +extern void s3c6410_setup_sdhci0_cfg_gpio(struct platform_device *, int w); +extern void s3c6410_setup_sdhci1_cfg_gpio(struct platform_device *, int w); + +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 = s3c6410_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 = s3c6410_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 */ + +#else +static inline void s3c6410_default_sdhci0(void) { } +static inline void s3c6410_default_sdhci1(void) { } +#endif /* CONFIG_S3C6410_SETUP_SDHCI */ + +#endif /* __PLAT_S3C_SDHCI_H */ |