--- /dev/null
+/*
+ * Copyright (C) 2010 ROCKCHIP, Inc.
+ * Author: roger_chen <cz@rock-chips.com>
+ *
+ * This program is the bluetooth device bcm4329's driver,
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/rfkill.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+//#include <asm/gpio.h>
+//#include <asm/arch/gpio.h>
+//#include <asm/arch/iomux.h>
+//#include <asm/arch/gpio.h>
+#include <linux/interrupt.h>
+#include <linux/wakelock.h>
+#include <mach/spi_fpga.h>
+#include <linux/fs.h>
+#include <asm/uaccess.h>
+#include <mach/gpio.h>
+
+#if 1
+#define DBG(x...) printk(KERN_INFO x)
+#else
+#define DBG(x...)
+#endif
+
+#define INFO_BT_GPIO_POWER_N TCA6424_P25
+#define INFO_BT_GPIO_RESET_N TCA6424_P22
+
+static struct rfkill *bt_rfk;
+static const char bt_name[] = "bcm4329";
+extern int info_bt_power_state;
+extern int info_wifi_power_state;
+
+static int bcm4329_set_block(void *data, bool blocked)
+{
+ DBG("%s---blocked :%d\n", __FUNCTION__, blocked);
+
+ if (false == blocked) {
+ gpio_set_value(INFO_BT_GPIO_POWER_N, GPIO_HIGH); /* bt power on */
+ gpio_set_value(INFO_BT_GPIO_RESET_N, GPIO_HIGH); /* bt reset deactive*/
+ mdelay(20);
+ pr_info("bt turn on power\n");
+ }
+ else {
+ if (!info_wifi_power_state) {
+ gpio_set_value(INFO_BT_GPIO_POWER_N, GPIO_LOW); /* bt power off */
+ mdelay(20);
+ pr_info("bt shut off power\n");
+ }else {
+ pr_info("bt shouldn't shut off power, wifi is using it!\n");
+ }
+
+ gpio_set_value(INFO_BT_GPIO_RESET_N, GPIO_LOW); /* bt reset active*/
+ mdelay(20);
+ }
+
+ info_bt_power_state = !blocked;
+ return 0;
+}
+
+
+static const struct rfkill_ops bcm4329_rfk_ops = {
+ .set_block = bcm4329_set_block,
+};
+
+static int __init bcm4329_rfkill_probe(struct platform_device *pdev)
+{
+ int rc = 0;
+
+ DBG("Enter::%s,line=%d\n",__FUNCTION__,__LINE__);
+
+ /* default to bluetooth off */
+// rfkill_switch_all(RFKILL_TYPE_BLUETOOTH, true);
+
+ bt_rfk = rfkill_alloc(bt_name,
+ NULL,
+ RFKILL_TYPE_BLUETOOTH,
+ &bcm4329_rfk_ops,
+ NULL);
+
+ if (!bt_rfk)
+ {
+ printk("fail to rfkill_allocate************\n");
+ return -ENOMEM;
+ }
+
+ rc = rfkill_register(bt_rfk);
+ if (rc)
+ rfkill_destroy(bt_rfk);
+
+ printk("rc=0x%x\n", rc);
+
+ return rc;
+}
+
+
+static int __devexit bcm4329_rfkill_remove(struct platform_device *pdev)
+{
+ if (bt_rfk)
+ rfkill_unregister(bt_rfk);
+ bt_rfk = NULL;
+
+ platform_set_drvdata(pdev, NULL);
+ DBG("Enter::%s,line=%d\n",__FUNCTION__,__LINE__);
+ return 0;
+}
+
+static struct platform_driver bcm4329_rfkill_driver = {
+ .probe = bcm4329_rfkill_probe,
+ .remove = __devexit_p(bcm4329_rfkill_remove),
+ .driver = {
+ .name = "info_rfkill",
+ .owner = THIS_MODULE,
+ },
+};
+
+/*
+ * Module initialization
+ */
+static int __init bcm4329_mod_init(void)
+{
+ int ret;
+ DBG("Enter::%s,line=%d\n",__FUNCTION__,__LINE__);
+ ret = platform_driver_register(&bcm4329_rfkill_driver);
+ printk("ret=0x%x\n", ret);
+ return ret;
+}
+
+static void __exit bcm4329_mod_exit(void)
+{
+ platform_driver_unregister(&bcm4329_rfkill_driver);
+}
+
+module_init(bcm4329_mod_init);
+module_exit(bcm4329_mod_exit);
+MODULE_DESCRIPTION("bcm4329 Bluetooth driver");
+MODULE_AUTHOR("roger_chen cz@rock-chips.com");
+MODULE_LICENSE("GPL");
+