3f2bc4d6eb
msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142 Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
33 lines
1.1 KiB
C
33 lines
1.1 KiB
C
/* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
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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 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/bitops.h>
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#include <linux/io.h>
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#include <mach/msm_iomap.h>
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#include "gpiomux.h"
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#define GPIO_CFG(n) (MSM_TLMM_BASE + 0x1000 + (0x10 * n))
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#define GPIO_IN_OUT(n) (MSM_TLMM_BASE + 0x1004 + (0x10 * n))
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void __msm_gpiomux_write(unsigned gpio, struct gpiomux_setting val)
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{
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uint32_t bits;
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bits = (val.drv << 6) | (val.func << 2) | val.pull;
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if (val.func == GPIOMUX_FUNC_GPIO) {
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bits |= val.dir > GPIOMUX_IN ? BIT(9) : 0;
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__raw_writel(val.dir == GPIOMUX_OUT_HIGH ? BIT(1) : 0,
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GPIO_IN_OUT(gpio));
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}
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__raw_writel(bits, GPIO_CFG(gpio));
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mb();
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}
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