388 lines
12 KiB
C
388 lines
12 KiB
C
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/* linux/arch/arm/plat-samsung/include/plat/sdhci.h
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*
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* Copyright (c) 2011 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* Copyright 2008 Openmoko, Inc.
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* Copyright 2008 Simtec Electronics
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* http://armlinux.simtec.co.uk/
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* Ben Dooks <ben@simtec.co.uk>
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*
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* S3C Platform - SDHCI (HSMMC) platform data definitions
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __PLAT_S3C_SDHCI_H
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#define __PLAT_S3C_SDHCI_H __FILE__
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#include <plat/devs.h>
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struct platform_device;
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struct mmc_host;
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struct mmc_card;
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struct mmc_ios;
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enum cd_types {
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S3C_SDHCI_CD_INTERNAL, /* use mmc internal CD line */
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S3C_SDHCI_CD_EXTERNAL, /* use external callback */
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S3C_SDHCI_CD_GPIO, /* use external gpio pin for CD line */
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S3C_SDHCI_CD_NONE, /* no CD line, use polling to detect card */
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S3C_SDHCI_CD_PERMANENT, /* no CD line, card permanently wired to host */
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};
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enum clk_types {
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S3C_SDHCI_CLK_DIV_INTERNAL, /* use mmc internal clock divider */
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S3C_SDHCI_CLK_DIV_EXTERNAL, /* use external clock divider */
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};
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/**
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* struct s3c_sdhci_platdata() - Platform device data for Samsung SDHCI
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* @max_width: The maximum number of data bits supported.
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* @host_caps: Standard MMC host capabilities bit field.
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* @host_caps2: The second standard MMC host capabilities bit field.
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* @cd_type: Type of Card Detection method (see cd_types enum above)
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* @clk_type: Type of clock divider method (see clk_types enum above)
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* @ext_cd_init: Initialize external card detect subsystem. Called on
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* sdhci-s3c driver probe when cd_type == S3C_SDHCI_CD_EXTERNAL.
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* notify_func argument is a callback to the sdhci-s3c driver
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* that triggers the card detection event. Callback arguments:
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* dev is pointer to platform device of the host controller,
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* state is new state of the card (0 - removed, 1 - inserted).
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* @ext_cd_cleanup: Cleanup external card detect subsystem. Called on
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* sdhci-s3c driver remove when cd_type == S3C_SDHCI_CD_EXTERNAL.
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* notify_func argument is the same callback as for ext_cd_init.
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* @ext_cd_gpio: gpio pin used for external CD line, valid only if
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* cd_type == S3C_SDHCI_CD_GPIO
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* @ext_cd_gpio_invert: invert values for external CD gpio line
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* @cfg_gpio: Configure the GPIO for a specific card bit-width
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*
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* Initialisation data specific to either the machine or the platform
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* for the device driver to use or call-back when configuring gpio or
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* card speed information.
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*/
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struct s3c_sdhci_platdata {
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unsigned int max_width;
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unsigned int host_caps;
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unsigned int host_caps2;
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unsigned int pm_caps;
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enum cd_types cd_type;
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enum clk_types clk_type;
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int ext_cd_gpio;
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bool ext_cd_gpio_invert;
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int (*ext_cd_init)(void (*notify_func)(struct platform_device *,
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int state));
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int (*ext_cd_cleanup)(void (*notify_func)(struct platform_device *,
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int state));
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void (*cfg_gpio)(struct platform_device *dev, int width);
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};
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/* s3c_sdhci_set_platdata() - common helper for setting SDHCI platform data
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* @pd: The default platform data for this device.
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* @set: Pointer to the platform data to fill in.
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*/
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extern void s3c_sdhci_set_platdata(struct s3c_sdhci_platdata *pd,
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struct s3c_sdhci_platdata *set);
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/**
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* s3c_sdhci0_set_platdata - Set platform data for S3C SDHCI device.
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* @pd: Platform data to register to device.
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*
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* Register the given platform data for use withe S3C SDHCI device.
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* The call will copy the platform data, so the board definitions can
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* make the structure itself __initdata.
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*/
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extern void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd);
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extern void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd);
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extern void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd);
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extern void s3c_sdhci3_set_platdata(struct s3c_sdhci_platdata *pd);
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/* Default platform data, exported so that per-cpu initialisation can
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* set the correct one when there are more than one cpu type selected.
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*/
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extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata;
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extern struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata;
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extern struct s3c_sdhci_platdata s3c_hsmmc2_def_platdata;
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extern struct s3c_sdhci_platdata s3c_hsmmc3_def_platdata;
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/* Helper function availability */
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extern void s3c2416_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
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extern void s3c2416_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
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extern void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
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extern void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
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extern void s5pc100_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
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extern void s5pc100_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
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extern void s5pc100_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
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extern void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
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extern void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
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extern void s5pv210_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
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extern void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
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extern void s5pv210_setup_sdhci3_cfg_gpio(struct platform_device *, int w);
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extern void exynos4_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
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extern void exynos4_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
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extern void exynos4_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
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extern void exynos4_setup_sdhci3_cfg_gpio(struct platform_device *, int w);
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extern void s5p64x0_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
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extern void s5p64x0_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
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extern void s5p6440_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
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extern void s5p6450_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
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/* S3C2416 SDHCI setup */
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#ifdef CONFIG_S3C2416_SETUP_SDHCI
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static inline void s3c2416_default_sdhci0(void)
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{
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#ifdef CONFIG_S3C_DEV_HSMMC
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s3c_hsmmc0_def_platdata.cfg_gpio = s3c2416_setup_sdhci0_cfg_gpio;
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#endif /* CONFIG_S3C_DEV_HSMMC */
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}
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static inline void s3c2416_default_sdhci1(void)
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{
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#ifdef CONFIG_S3C_DEV_HSMMC1
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s3c_hsmmc1_def_platdata.cfg_gpio = s3c2416_setup_sdhci1_cfg_gpio;
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#endif /* CONFIG_S3C_DEV_HSMMC1 */
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}
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#else
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static inline void s3c2416_default_sdhci0(void) { }
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static inline void s3c2416_default_sdhci1(void) { }
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#endif /* CONFIG_S3C2416_SETUP_SDHCI */
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/* S3C64XX SDHCI setup */
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#ifdef CONFIG_S3C64XX_SETUP_SDHCI
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static inline void s3c6400_default_sdhci0(void)
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{
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#ifdef CONFIG_S3C_DEV_HSMMC
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s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
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#endif
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}
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static inline void s3c6400_default_sdhci1(void)
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{
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#ifdef CONFIG_S3C_DEV_HSMMC1
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s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
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#endif
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}
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static inline void s3c6400_default_sdhci2(void)
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{
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#ifdef CONFIG_S3C_DEV_HSMMC2
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s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
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#endif
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}
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static inline void s3c6410_default_sdhci0(void)
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{
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#ifdef CONFIG_S3C_DEV_HSMMC
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s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
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#endif
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}
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static inline void s3c6410_default_sdhci1(void)
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{
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#ifdef CONFIG_S3C_DEV_HSMMC1
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s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
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#endif
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}
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static inline void s3c6410_default_sdhci2(void)
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{
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#ifdef CONFIG_S3C_DEV_HSMMC2
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s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
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#endif
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}
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#else
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static inline void s3c6410_default_sdhci0(void) { }
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static inline void s3c6410_default_sdhci1(void) { }
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static inline void s3c6410_default_sdhci2(void) { }
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static inline void s3c6400_default_sdhci0(void) { }
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static inline void s3c6400_default_sdhci1(void) { }
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static inline void s3c6400_default_sdhci2(void) { }
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#endif /* CONFIG_S3C64XX_SETUP_SDHCI */
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/* S5P64X0 SDHCI setup */
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#ifdef CONFIG_S5P64X0_SETUP_SDHCI
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static inline void s5p64x0_default_sdhci0(void)
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{
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#ifdef CONFIG_S3C_DEV_HSMMC
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s3c_hsmmc0_def_platdata.cfg_gpio = s5p64x0_setup_sdhci0_cfg_gpio;
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#endif
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}
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static inline void s5p64x0_default_sdhci1(void)
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{
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#ifdef CONFIG_S3C_DEV_HSMMC1
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s3c_hsmmc1_def_platdata.cfg_gpio = s5p64x0_setup_sdhci1_cfg_gpio;
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#endif
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}
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static inline void s5p6440_default_sdhci2(void)
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{
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#ifdef CONFIG_S3C_DEV_HSMMC2
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s3c_hsmmc2_def_platdata.cfg_gpio = s5p6440_setup_sdhci2_cfg_gpio;
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#endif
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}
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static inline void s5p6450_default_sdhci2(void)
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{
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#ifdef CONFIG_S3C_DEV_HSMMC2
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s3c_hsmmc2_def_platdata.cfg_gpio = s5p6450_setup_sdhci2_cfg_gpio;
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#endif
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}
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#else
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static inline void s5p64x0_default_sdhci0(void) { }
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static inline void s5p64x0_default_sdhci1(void) { }
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static inline void s5p6440_default_sdhci2(void) { }
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static inline void s5p6450_default_sdhci2(void) { }
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#endif /* CONFIG_S5P64X0_SETUP_SDHCI */
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/* S5PC100 SDHCI setup */
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#ifdef CONFIG_S5PC100_SETUP_SDHCI
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static inline void s5pc100_default_sdhci0(void)
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{
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#ifdef CONFIG_S3C_DEV_HSMMC
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s3c_hsmmc0_def_platdata.cfg_gpio = s5pc100_setup_sdhci0_cfg_gpio;
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#endif
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}
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static inline void s5pc100_default_sdhci1(void)
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{
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#ifdef CONFIG_S3C_DEV_HSMMC1
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s3c_hsmmc1_def_platdata.cfg_gpio = s5pc100_setup_sdhci1_cfg_gpio;
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#endif
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}
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static inline void s5pc100_default_sdhci2(void)
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{
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#ifdef CONFIG_S3C_DEV_HSMMC2
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s3c_hsmmc2_def_platdata.cfg_gpio = s5pc100_setup_sdhci2_cfg_gpio;
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#endif
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}
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#else
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static inline void s5pc100_default_sdhci0(void) { }
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static inline void s5pc100_default_sdhci1(void) { }
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static inline void s5pc100_default_sdhci2(void) { }
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#endif /* CONFIG_S5PC100_SETUP_SDHCI */
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/* S5PV210 SDHCI setup */
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#ifdef CONFIG_S5PV210_SETUP_SDHCI
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static inline void s5pv210_default_sdhci0(void)
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{
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#ifdef CONFIG_S3C_DEV_HSMMC
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s3c_hsmmc0_def_platdata.cfg_gpio = s5pv210_setup_sdhci0_cfg_gpio;
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#endif
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}
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static inline void s5pv210_default_sdhci1(void)
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{
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#ifdef CONFIG_S3C_DEV_HSMMC1
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s3c_hsmmc1_def_platdata.cfg_gpio = s5pv210_setup_sdhci1_cfg_gpio;
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#endif
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}
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static inline void s5pv210_default_sdhci2(void)
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{
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#ifdef CONFIG_S3C_DEV_HSMMC2
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s3c_hsmmc2_def_platdata.cfg_gpio = s5pv210_setup_sdhci2_cfg_gpio;
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#endif
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}
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static inline void s5pv210_default_sdhci3(void)
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{
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#ifdef CONFIG_S3C_DEV_HSMMC3
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s3c_hsmmc3_def_platdata.cfg_gpio = s5pv210_setup_sdhci3_cfg_gpio;
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#endif
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}
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#else
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static inline void s5pv210_default_sdhci0(void) { }
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static inline void s5pv210_default_sdhci1(void) { }
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static inline void s5pv210_default_sdhci2(void) { }
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||
|
|
static inline void s5pv210_default_sdhci3(void) { }
|
||
|
|
|
||
|
|
#endif /* CONFIG_S5PV210_SETUP_SDHCI */
|
||
|
|
|
||
|
|
/* EXYNOS4 SDHCI setup */
|
||
|
|
#ifdef CONFIG_EXYNOS4_SETUP_SDHCI
|
||
|
|
static inline void exynos4_default_sdhci0(void)
|
||
|
|
{
|
||
|
|
#ifdef CONFIG_S3C_DEV_HSMMC
|
||
|
|
s3c_hsmmc0_def_platdata.cfg_gpio = exynos4_setup_sdhci0_cfg_gpio;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void exynos4_default_sdhci1(void)
|
||
|
|
{
|
||
|
|
#ifdef CONFIG_S3C_DEV_HSMMC1
|
||
|
|
s3c_hsmmc1_def_platdata.cfg_gpio = exynos4_setup_sdhci1_cfg_gpio;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void exynos4_default_sdhci2(void)
|
||
|
|
{
|
||
|
|
#ifdef CONFIG_S3C_DEV_HSMMC2
|
||
|
|
s3c_hsmmc2_def_platdata.cfg_gpio = exynos4_setup_sdhci2_cfg_gpio;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void exynos4_default_sdhci3(void)
|
||
|
|
{
|
||
|
|
#ifdef CONFIG_S3C_DEV_HSMMC3
|
||
|
|
s3c_hsmmc3_def_platdata.cfg_gpio = exynos4_setup_sdhci3_cfg_gpio;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
#else
|
||
|
|
static inline void exynos4_default_sdhci0(void) { }
|
||
|
|
static inline void exynos4_default_sdhci1(void) { }
|
||
|
|
static inline void exynos4_default_sdhci2(void) { }
|
||
|
|
static inline void exynos4_default_sdhci3(void) { }
|
||
|
|
|
||
|
|
#endif /* CONFIG_EXYNOS4_SETUP_SDHCI */
|
||
|
|
|
||
|
|
static inline void s3c_sdhci_setname(int id, char *name)
|
||
|
|
{
|
||
|
|
switch (id) {
|
||
|
|
#ifdef CONFIG_S3C_DEV_HSMMC
|
||
|
|
case 0:
|
||
|
|
s3c_device_hsmmc0.name = name;
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_S3C_DEV_HSMMC1
|
||
|
|
case 1:
|
||
|
|
s3c_device_hsmmc1.name = name;
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_S3C_DEV_HSMMC2
|
||
|
|
case 2:
|
||
|
|
s3c_device_hsmmc2.name = name;
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_S3C_DEV_HSMMC3
|
||
|
|
case 3:
|
||
|
|
s3c_device_hsmmc3.name = name;
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* __PLAT_S3C_SDHCI_H */
|