Initial Contribution
msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142
Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
diff --git a/arch/arm/mach-msm/mpp.c b/arch/arm/mach-msm/mpp.c
new file mode 100644
index 0000000..2637c3e
--- /dev/null
+++ b/arch/arm/mach-msm/mpp.c
@@ -0,0 +1,96 @@
+/* Copyright (c) 2008-2009, 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.
+ *
+ */
+
+/* Qualcomm PMIC Multi-Purpose Pin Configurations */
+
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/debugfs.h>
+
+#include <mach/mpp.h>
+
+#include "proc_comm.h"
+
+int mpp_config_digital_out(unsigned mpp, unsigned config)
+{
+ int err;
+ err = msm_proc_comm(PCOM_PM_MPP_CONFIG, &mpp, &config);
+ if (err)
+ pr_err("%s: msm_proc_comm(PCOM_PM_MPP_CONFIG) failed\n",
+ __func__);
+ return err;
+}
+EXPORT_SYMBOL(mpp_config_digital_out);
+
+int mpp_config_digital_in(unsigned mpp, unsigned config)
+{
+ int err;
+ err = msm_proc_comm(PCOM_PM_MPP_CONFIG_DIGITAL_INPUT, &mpp, &config);
+ if (err)
+ pr_err("%s: msm_proc_comm(PCOM_PM_MPP_CONFIG) failed\n",
+ __func__);
+ return err;
+}
+EXPORT_SYMBOL(mpp_config_digital_in);
+
+#if defined(CONFIG_DEBUG_FS)
+static int test_result;
+
+static int mpp_debug_set(void *data, u64 val)
+{
+ unsigned mpp = (unsigned) data;
+
+ test_result = mpp_config_digital_out(mpp, (unsigned)val);
+ if (test_result) {
+ printk(KERN_ERR
+ "%s: mpp_config_digital_out \
+ [mpp(%d) = 0x%x] failed (err=%d)\n",
+ __func__, mpp, (unsigned)val, test_result);
+ }
+ return 0;
+}
+
+static int mpp_debug_get(void *data, u64 *val)
+{
+ if (!test_result)
+ *val = 0;
+ else
+ *val = 1;
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(mpp_fops, mpp_debug_get, mpp_debug_set, "%llu\n");
+
+static int __init mpp_debug_init(void)
+{
+ struct dentry *dent;
+ int n;
+ char file_name[16];
+
+ dent = debugfs_create_dir("mpp", 0);
+ if (IS_ERR(dent))
+ return 0;
+
+ for (n = 0; n < MPPS; n++) {
+ snprintf(file_name, sizeof(file_name), "mpp%d", n + 1);
+ debugfs_create_file(file_name, 0644, dent,
+ (void *)n, &mpp_fops);
+ }
+
+ return 0;
+}
+
+device_initcall(mpp_debug_init);
+#endif
+