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/proc_comm_test.c b/arch/arm/mach-msm/proc_comm_test.c
new file mode 100644
index 0000000..8228f3a
--- /dev/null
+++ b/arch/arm/mach-msm/proc_comm_test.c
@@ -0,0 +1,125 @@
+/* Copyright (c) 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.
+ *
+ */
+
+/*
+ * PROC COMM TEST Driver source file
+ */
+
+#include <linux/types.h>
+#include <linux/uaccess.h>
+#include <linux/debugfs.h>
+#include <linux/module.h>
+#include "proc_comm.h"
+
+static struct dentry *dent;
+static int proc_comm_test_res;
+
+static int proc_comm_reverse_test(void)
+{
+ uint32_t data1, data2;
+ int rc;
+
+ data1 = 10;
+ data2 = 20;
+
+ rc = msm_proc_comm(PCOM_OEM_TEST_CMD, &data1, &data2);
+ if (rc)
+ return rc;
+
+ if ((data1 != 20) || (data2 != 10))
+ return -1;
+
+ return 0;
+}
+
+static ssize_t debug_read(struct file *fp, char __user *buf,
+ size_t count, loff_t *pos)
+{
+ char _buf[16];
+
+ snprintf(_buf, sizeof(_buf), "%i\n", proc_comm_test_res);
+
+ return simple_read_from_buffer(buf, count, pos, _buf, strlen(_buf));
+}
+
+static ssize_t debug_write(struct file *fp, const char __user *buf,
+ size_t count, loff_t *pos)
+{
+
+ unsigned char cmd[64];
+ int len;
+
+ if (count < 1)
+ return 0;
+
+ len = count > 63 ? 63 : count;
+
+ if (copy_from_user(cmd, buf, len))
+ return -EFAULT;
+
+ cmd[len] = 0;
+
+ if (cmd[len-1] == '\n') {
+ cmd[len-1] = 0;
+ len--;
+ }
+
+ if (!strncmp(cmd, "reverse_test", 64))
+ proc_comm_test_res = proc_comm_reverse_test();
+ else
+ proc_comm_test_res = -EINVAL;
+
+ if (proc_comm_test_res)
+ pr_err("proc comm test fail %d\n",
+ proc_comm_test_res);
+ else
+ pr_info("proc comm test passed\n");
+
+ return count;
+}
+
+static int debug_release(struct inode *ip, struct file *fp)
+{
+ return 0;
+}
+
+static int debug_open(struct inode *ip, struct file *fp)
+{
+ return 0;
+}
+
+static const struct file_operations debug_ops = {
+ .owner = THIS_MODULE,
+ .open = debug_open,
+ .release = debug_release,
+ .read = debug_read,
+ .write = debug_write,
+};
+
+static void __exit proc_comm_test_mod_exit(void)
+{
+ debugfs_remove(dent);
+}
+
+static int __init proc_comm_test_mod_init(void)
+{
+ dent = debugfs_create_file("proc_comm", 0444, 0, NULL, &debug_ops);
+ proc_comm_test_res = -1;
+ return 0;
+}
+
+module_init(proc_comm_test_mod_init);
+module_exit(proc_comm_test_mod_exit);
+
+MODULE_DESCRIPTION("PROC COMM TEST Driver");
+MODULE_LICENSE("GPL v2");