diff options
Diffstat (limited to 'drivers/bluetooth/test_skeleton.c')
| -rwxr-xr-x | drivers/bluetooth/test_skeleton.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/drivers/bluetooth/test_skeleton.c b/drivers/bluetooth/test_skeleton.c new file mode 100755 index 00000000..a29e4feb --- /dev/null +++ b/drivers/bluetooth/test_skeleton.c @@ -0,0 +1,182 @@ +/*
+ * Copyright 2012 WonderMedia Technologies, Inc. All Rights Reserved.
+ *
+ * This PROPRIETARY SOFTWARE is the property of WonderMedia Technologies, Inc.
+ * and may contain trade secrets and/or other confidential information of
+ * WonderMedia Technologies, Inc. This file shall not be disclosed to any third party,
+ * in whole or in part, without prior written consent of WonderMedia.
+ *
+ * THIS PROPRIETARY SOFTWARE AND ANY RELATED DOCUMENTATION ARE PROVIDED AS IS,
+ * WITH ALL FAULTS, AND WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED,
+ * AND WonderMedia TECHNOLOGIES, INC. DISCLAIMS ALL EXPRESS OR IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ */
+
+#include <linux/module.h> /* Specifically, a module */
+#include <linux/kernel.h> /* We're doing kernel work */
+#include <linux/proc_fs.h> /* Necessary because we use the proc fs */
+#include <linux/uaccess.h> //for copy_from_user
+#include <linux/pwm.h>
+#include <mach/hardware.h>//WMT_MMAP_OFFSET
+
+
+#define procfs_name "bt_test"
+
+
+int skip = 0x00;
+
+extern struct proc_dir_entry proc_root;
+
+//extern void mt_bt_power_off(void);
+//extern int mt_bt_power_on(void);
+/**
+ * This structure hold information about the /proc file
+ *
+ */
+struct proc_dir_entry *Our_Proc_test;
+
+extern void dump_uart_info(void);
+static int procfile_read(char *buffer,
+ char **buffer_location,
+ off_t offset, int buffer_length, int *eof, void *data)
+{
+ int ret = 0;
+
+
+ /*
+ * We give all of our information in one go, so if the
+ * user asks us if we have more information the
+ * answer should always be no.
+ *
+ * This is important because the standard read
+ * function from the library would continue to issue
+ * the read system call until the kernel replies
+ * that it has no more information, or until its
+ * buffer is filled.
+ */
+ printk("enter dump\n");
+ dump_uart_info();
+ return ret;
+}
+//configure pwm1 pin
+void config_pwm1_pin1(int enable)
+{
+ int val;
+ if(enable) {
+ val = readb(0xd8110200+WMT_MMAP_OFFSET);
+ val &= ~(1 << 7);
+ writeb(val, 0xd8110200+WMT_MMAP_OFFSET);
+ }else{
+ val = readb(0xd8110200+WMT_MMAP_OFFSET);
+ val |= (1 << 7);
+ writeb(val, 0xd8110200+WMT_MMAP_OFFSET);
+ }
+}
+
+static struct pwm_device * g_pwm1 =NULL;
+
+void enable_pwm1_32KHz1(int enable)
+{
+ static int first = 0x01;
+ if(first) {
+ first = 0x00;
+ printk("begint ot pwm request\n");
+ g_pwm1 = pwm_request(0x01,"mtk6622 bluetooth 32KHz");
+ if(!g_pwm1){
+ printk("can not request pwm1 for bluetooth mtk6622\n");
+ return;
+ }
+ }
+ if(enable) {
+ pwm_config(g_pwm1, 15625, 31250);
+ pwm_enable(g_pwm1);
+ printk("enable 32khz output\n");
+ }else{
+ pwm_disable(g_pwm1);
+ printk("disable 32khz output\n");
+ }
+}
+/*
+ *this funciton just for facilitate debugging
+ *command formater: echo "digital strings" > /proc/usb_serail
+ * setenv wmt.6620.pmu "e3:3:D8110040:D8110080:D81100c0:D81100c4:D81100c8"
+ * saveenv
+*/
+static int procfile_write(struct file *file, const char __user *buffer,
+ unsigned long count, void *data)
+{
+ char tmp[128];
+ char printbuf[128];
+ int num;
+ int option;
+
+
+ if(buffer && !copy_from_user(tmp, buffer, sizeof(tmp))) {
+
+ num = sscanf(tmp, "%d", &option);
+ printk("your input: option:%d\n",option);
+
+
+ switch(option) {
+ case 0: //power off bluetooth
+ //mt_bt_power_off();
+ break;
+ case 1: //power on bluetooth chip
+ //mt_bt_power_on();
+ break;
+ case 2: //open bluetooth interruption
+ //mt_bt_enable_irq();
+ break;
+ case 3: //close bluetooth interruption
+ //mt_bt_disable_irq();
+ break;
+ case 4: //enable 32KHz
+ //config_pwm1_pin1(1);
+ //enable_pwm1_32KHz1(1);
+ pwm_32KHZ_control(1);
+ break;
+ case 5: //disable 32KHz
+ //enable_pwm1_32KHz1(0);
+ pwm_32KHZ_control(0);
+ break;
+ default:
+ printk("test command,for example: echo 1 > /proc/bt_test\n");
+ }
+ return strlen(tmp);
+ }else{
+ printk("copy_from_user failed or buffer is null\n");
+ }
+}
+
+int test_skeleton_proc_init(void)
+{
+ printk("enter test_skeleton_proc_init\n");
+ Our_Proc_test = create_proc_entry(procfs_name, 0644, NULL);
+
+ if (Our_Proc_test == NULL) {
+ //remove_proc_entry(procfs_name, &proc_root);
+ printk(KERN_ALERT "Error: Could not initialize /proc/%s\n",
+ procfs_name);
+ return -ENOMEM;
+ }
+
+ Our_Proc_test->read_proc = procfile_read;
+ Our_Proc_test->write_proc = procfile_write;
+// //Our_Proc_test->owner = THIS_MODULE;
+// Our_Proc_test->mode = S_IFREG | S_IRUGO;
+// Our_Proc_test->uid = 0;
+// Our_Proc_test->gid = 0;
+// Our_Proc_test->size = 37; //size what is its mean ?
+
+ return 0; /* everything is ok */
+}
+int deinit_proc_init(void)
+{
+ if(Our_Proc_test != NULL){
+ remove_proc_entry(procfs_name,NULL);
+ Our_Proc_test = NULL;
+ }
+ return 0;
+}
+
+EXPORT_SYMBOL(test_skeleton_proc_init);
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