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Diffstat (limited to 'arch/arm/mach-msm/gpiomux.h')
-rw-r--r-- | arch/arm/mach-msm/gpiomux.h | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/arch/arm/mach-msm/gpiomux.h b/arch/arm/mach-msm/gpiomux.h deleted file mode 100644 index 4410d7766f93..000000000000 --- a/arch/arm/mach-msm/gpiomux.h +++ /dev/null @@ -1,84 +0,0 @@ -/* Copyright (c) 2010, Code Aurora Forum. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ -#ifndef __ARCH_ARM_MACH_MSM_GPIOMUX_H -#define __ARCH_ARM_MACH_MSM_GPIOMUX_H - -#include <linux/bitops.h> -#include <linux/errno.h> -#include <mach/msm_gpiomux.h> -#include "gpiomux-v1.h" - -/** - * struct msm_gpiomux_config: gpiomux settings for one gpio line. - * - * A complete gpiomux config is the bitwise-or of a drive-strength, - * function, and pull. For functions other than GPIO, the OE - * is hard-wired according to the function. For GPIO mode, - * OE is controlled by gpiolib. - * - * Available settings differ by target; see the gpiomux header - * specific to your target arch for available configurations. - * - * @active: The configuration to be installed when the line is - * active, or its reference count is > 0. - * @suspended: The configuration to be installed when the line - * is suspended, or its reference count is 0. - * @ref: The reference count of the line. For internal use of - * the gpiomux framework only. - */ -struct msm_gpiomux_config { - gpiomux_config_t active; - gpiomux_config_t suspended; - unsigned ref; -}; - -/** - * @GPIOMUX_VALID: If set, the config field contains 'good data'. - * The absence of this bit will prevent the gpiomux - * system from applying the configuration under all - * circumstances. - */ -enum { - GPIOMUX_VALID = BIT(sizeof(gpiomux_config_t) * BITS_PER_BYTE - 1), - GPIOMUX_CTL_MASK = GPIOMUX_VALID, -}; - -#ifdef CONFIG_MSM_GPIOMUX - -/* Each architecture must provide its own instance of this table. - * To avoid having gpiomux manage any given gpio, one or both of - * the entries can avoid setting GPIOMUX_VALID - the absence - * of that flag will prevent the configuration from being applied - * during state transitions. - */ -extern struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS]; - -/* Install a new configuration to the gpio line. To avoid overwriting - * a configuration, leave the VALID bit out. - */ -int msm_gpiomux_write(unsigned gpio, - gpiomux_config_t active, - gpiomux_config_t suspended); -#else -static inline int msm_gpiomux_write(unsigned gpio, - gpiomux_config_t active, - gpiomux_config_t suspended) -{ - return -ENOSYS; -} -#endif -#endif |