MERGE-via-balaji-tracking-hist-MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-via-master-s3c-hsmmc-clean

balaji-tracking-hist top was efb2d57c0e0ed62324d79d6c5793fe797c157266

1 files changed, 128 insertions, 0 deletions

diff --git a/drivers/mfd/pcf50606-gpo.c b/drivers/mfd/pcf50606-gpo.c
new file mode 100644
index 00000000000..28b6d77ad80
--- /dev/null
+++ b/drivers/mfd/pcf50606-gpo.c
@@ -0,0 +1,128 @@
+/* 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 and Werner Almesberger
+ *
+ * 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.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <linux/mfd/pcf50606/core.h>
+#include <linux/mfd/pcf50606/gpo.h>
+#include <linux/mfd/pcf50606/pmic.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);