diff options
Diffstat (limited to 'drivers/mfd/pcf50606-gpo.c')
-rw-r--r-- | drivers/mfd/pcf50606-gpo.c | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/drivers/mfd/pcf50606-gpo.c b/drivers/mfd/pcf50606-gpo.c deleted file mode 100644 index 3510f8b48e9..00000000000 --- a/drivers/mfd/pcf50606-gpo.c +++ /dev/null @@ -1,119 +0,0 @@ -/* Philips PCF50606 GPO Driver - * - * (C) 2006-2008 by Openmoko, Inc. - * Author: Balaji Rao <balajirrao@openmoko.org> - * All rights reserved. - * - * Broken down from monstrous PCF50606 driver mainly by - * Harald Welte, Andy Green Werner Almesberger and Matt Hsu - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - */ - -#include <linux/kernel.h> - -#include <linux/mfd/pcf50606/core.h> -#include <linux/mfd/pcf50606/gpo.h> - -void pcf50606_gpo_set_active(struct pcf50606 *pcf, int gpo, int val) -{ - u8 reg, value, mask; - - reg = gpo; - value = val; - mask = 0x07; - - if (gpo == PCF50606_GPO2) { - value = val << 4; - mask = 0x07 << 4; - } - pcf50606_reg_set_bit_mask(pcf, reg, mask, value); -} -EXPORT_SYMBOL_GPL(pcf50606_gpo_set_active); - -int pcf50606_gpo_get_active(struct pcf50606 *pcf, int gpo) -{ - u8 reg, value, shift = 0; - - reg = gpo; - if (gpo == PCF50606_GPO2) - shift = 4; - - value = pcf50606_reg_read(pcf, reg); - - return (value >> shift) & 0x07; -} -EXPORT_SYMBOL_GPL(pcf50606_gpo_get_active); - -void pcf50606_gpo_set_standby(struct pcf50606 *pcf, int gpo, int val) -{ - u8 reg; - - if (gpo == PCF50606_GPO1 || gpo == PCF50606_GPO2) { - dev_err(pcf->dev, "Can't set standby settings for GPO[12]n"); - return; - } - - reg = gpo; - - pcf50606_reg_set_bit_mask(pcf, gpo, 0x07 << 3, val); -} -EXPORT_SYMBOL_GPL(pcf50606_gpo_set_standby); - -int pcf50606_gpo_get_standby(struct pcf50606 *pcf, int gpo) -{ - u8 reg, value; - - if (gpo == PCF50606_GPO1 || gpo == PCF50606_GPO2) { - dev_err(pcf->dev, "Can't get standby settings for GPO[12]n"); - return -EINVAL; - } - - reg = gpo; - value = pcf50606_reg_read(pcf, reg); - - return (value >> 3) & 0x07; -} -EXPORT_SYMBOL_GPL(pcf50606_gpo_get_standby); - -void pcf50606_gpo_invert_set(struct pcf50606 *pcf, int gpo, int invert) -{ - u8 reg, value, mask; - - reg = gpo; - value = !!invert << 6; - mask = 0x01 << 6; - - if (gpo == PCF50606_GPO1) { - mask = 0x01 << 4; - value = !!invert << 4; - } - else if (gpo == PCF50606_GPO2) { - mask = 0x01 << 7; - value = !!invert << 7; - } - - pcf50606_reg_set_bit_mask(pcf, reg, mask, value); -} -EXPORT_SYMBOL_GPL(pcf50606_gpo_invert_set); - -int pcf50606_gpo_invert_get(struct pcf50606 *pcf, int gpo) -{ - u8 reg, value, shift; - - reg = gpo; - shift = 6; - - if (gpo == PCF50606_GPO1) - shift = 4; - else if (gpo == PCF50606_GPO2) - shift = 7; - - value = pcf50606_reg_read(pcf, reg); - - return (value >> shift) & 0x01; -} -EXPORT_SYMBOL_GPL(pcf50606_gpo_invert_get); |