--- /dev/null
+/*
+ * Copyright (C) 2012 ROCKCHIP, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+/* Rock-chips rfkill driver for bluetooth
+ *
+*/
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/rfkill.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <asm/gpio.h>
+#include <linux/delay.h>
+#include <linux/rfkill-bt.h>
+#include <linux/wakelock.h>
+#include <linux/interrupt.h>
+#include <asm/irq.h>
+#include <linux/suspend.h>
+#include <linux/proc_fs.h>
+#include <linux/uaccess.h>
+#include <linux/gpio.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <uapi/linux/rfkill.h>
+#ifdef CONFIG_OF
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_gpio.h>
+#endif
+
+#if 0
+#define DBG(x...) printk(KERN_INFO "[BT_RFKILL]: "x)
+#else
+#define DBG(x...)
+#endif
+
+#define LOG(x...) printk(KERN_INFO "[BT_RFKILL]: "x)
+
+#define BT_WAKEUP_TIMEOUT 10000
+#define BT_IRQ_WAKELOCK_TIMEOUT 10*1000
+
+#define BT_BLOCKED true
+#define BT_UNBLOCK false
+#define BT_SLEEP true
+#define BT_WAKEUP false
+
+enum {
+ IOMUX_FNORMAL=0,
+ IOMUX_FGPIO,
+ IOMUX_FMUX,
+};
+
+struct rfkill_rk_data {
+ struct rfkill_rk_platform_data *pdata;
+ struct platform_device *pdev;
+ struct rfkill *rfkill_dev;
+ struct wake_lock bt_irq_wl;
+ struct delayed_work bt_sleep_delay_work;
+};
+
+static struct rfkill_rk_data *g_rfkill = NULL;
+
+static const char bt_name[] =
+#if defined (CONFIG_BCM4330)
+ #if defined (CONFIG_BT_MODULE_NH660)
+ "nh660"
+ #else
+ "bcm4330"
+ #endif
+#elif defined (CONFIG_RK903)
+ #if defined(CONFIG_RKWIFI_26M)
+ "rk903_26M"
+ #else
+ "rk903"
+ #endif
+#elif defined(CONFIG_BCM4329)
+ "bcm4329"
+#elif defined(CONFIG_MV8787)
+ "mv8787"
+#elif defined(CONFIG_AP6210)
+ #if defined(CONFIG_RKWIFI_26M)
+ "ap6210"
+ #else
+ "ap6210_24M"
+ #endif
+#elif defined(CONFIG_AP6330)
+ "ap6330"
+#elif defined(CONFIG_AP6476)
+ "ap6476"
+#elif defined(CONFIG_AP6493)
+ "ap6493"
+#elif defined(CONFIG_AP6441)
+ "ap6441"
+#elif defined(CONFIG_AP6335)
+ "ap6335"
+#elif defined(CONFIG_GB86302I)
+ "gb86302i"
+#else
+ "bt_default"
+#endif
+;
+
+static irqreturn_t rfkill_rk_wake_host_irq(int irq, void *dev)
+{
+ struct rfkill_rk_data *rfkill = dev;
+ LOG("BT_WAKE_HOST IRQ fired\n");
+
+ DBG("BT IRQ wakeup, request %dms wakelock\n", BT_IRQ_WAKELOCK_TIMEOUT);
+
+ wake_lock_timeout(&rfkill->bt_irq_wl,
+ msecs_to_jiffies(BT_IRQ_WAKELOCK_TIMEOUT));
+
+ return IRQ_HANDLED;
+}
+
+static int rfkill_rk_setup_gpio(struct platform_device *pdev, struct rfkill_rk_gpio* gpio,
+ const char* prefix, const char* name)
+{
+ if (gpio_is_valid(gpio->io)) {
+ int ret=0;
+ sprintf(gpio->name, "%s_%s", prefix, name);
+ ret = devm_gpio_request(&pdev->dev, gpio->io, gpio->name);
+ if (ret) {
+ LOG("Failed to get %s gpio.\n", gpio->name);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+static int rfkill_rk_setup_wake_irq(struct rfkill_rk_data* rfkill)
+{
+ int ret=0;
+ struct rfkill_rk_irq* irq = &(rfkill->pdata->wake_host_irq);
+
+ ret = rfkill_rk_setup_gpio(rfkill->pdev, &irq->gpio, rfkill->pdata->name, "wake_host");
+ if (ret) goto fail1;
+ if (gpio_is_valid(irq->gpio.io))
+ {
+ //ret = gpio_pull_updown(irq->gpio.io, (irq->gpio.enable==GPIO_ACTIVE_LOW)?GPIOPullUp:GPIOPullDown);
+ //if (ret) goto fail2;
+ LOG("Request irq for bt wakeup host\n");
+ irq->irq = gpio_to_irq(irq->gpio.io);
+ sprintf(irq->name, "%s_irq", irq->gpio.name);
+ ret = request_irq(irq->irq,
+ rfkill_rk_wake_host_irq,
+ (irq->gpio.enable==GPIO_ACTIVE_LOW)?IRQF_TRIGGER_FALLING:IRQF_TRIGGER_RISING,
+ irq->name,
+ rfkill);
+ if (ret) goto fail2;
+ LOG("** disable irq\n");
+ disable_irq(irq->irq);
+ ret = enable_irq_wake(irq->irq);
+ if (ret) goto fail3;
+ }
+
+ return ret;
+
+fail3:
+ free_irq(irq->gpio.io, rfkill);
+fail2:
+ gpio_free(irq->gpio.io);
+fail1:
+ return ret;
+}
+
+static inline void rfkill_rk_sleep_bt_internal(struct rfkill_rk_data *rfkill, bool sleep)
+{
+ struct rfkill_rk_gpio *wake = &rfkill->pdata->wake_gpio;
+
+ DBG("*** bt sleep: %d ***\n", sleep);
+#ifndef CONFIG_BK3515A_COMBO
+ gpio_direction_output(wake->io, sleep?!wake->enable:wake->enable);
+#else
+ if(!sleep)
+ {
+ DBG("HOST_UART0_TX pull down 10us\n");
+ if (rfkill_rk_setup_gpio(rfkill->pdev, wake, rfkill->pdata->name, "wake") != 0) {
+ return;
+ }
+
+ gpio_direction_output(wake->io, wake->enable);
+ udelay(10);
+ gpio_direction_output(wake->io, !wake->enable);
+
+ gpio_free(wake->io);
+ }
+#endif
+}
+
+static void rfkill_rk_delay_sleep_bt(struct work_struct *work)
+{
+ struct rfkill_rk_data *rfkill = NULL;
+ DBG("Enter %s\n",__FUNCTION__);
+
+ rfkill = container_of(work, struct rfkill_rk_data, bt_sleep_delay_work.work);
+
+ rfkill_rk_sleep_bt_internal(rfkill, BT_SLEEP);
+}
+
+void rfkill_rk_sleep_bt(bool sleep)
+{
+ struct rfkill_rk_data *rfkill = g_rfkill;
+ struct rfkill_rk_gpio *wake;
+ bool ret;
+ DBG("Enter %s\n",__FUNCTION__);
+
+ if (rfkill==NULL)
+ {
+ LOG("*** RFKILL is empty???\n");
+ return;
+ }
+
+ wake = &rfkill->pdata->wake_gpio;
+ if (!gpio_is_valid(wake->io))
+ {
+ DBG("*** Not support bt wakeup and sleep\n");
+ return;
+ }
+
+ ret = cancel_delayed_work_sync(&rfkill->bt_sleep_delay_work);
+
+ rfkill_rk_sleep_bt_internal(rfkill, sleep);
+
+#ifdef CONFIG_BT_AUTOSLEEP
+ if (sleep==BT_WAKEUP)
+ {
+ schedule_delayed_work(&rfkill->bt_sleep_delay_work,
+ msecs_to_jiffies(BT_WAKEUP_TIMEOUT));
+ }
+#endif
+}
+EXPORT_SYMBOL(rfkill_rk_sleep_bt);
+
+static int rfkill_rk_set_power(void *data, bool blocked)
+{
+ struct rfkill_rk_data *rfkill = data;
+ struct rfkill_rk_gpio *poweron = &rfkill->pdata->poweron_gpio;
+ struct rfkill_rk_gpio *reset = &rfkill->pdata->reset_gpio;
+#if defined(CONFIG_AP6210) || defined(CONFIG_AP6335)
+ struct rfkill_rk_gpio* rts = &rfkill->pdata->rts_gpio;
+ struct pinctrl *pinctrl = rfkill->pdata->pinctrl;
+#endif
+
+ DBG("Enter %s\n", __func__);
+
+ DBG("Set blocked:%d\n", blocked);
+
+ if (false == blocked) {
+ rfkill_rk_sleep_bt(BT_WAKEUP); // ensure bt is wakeup
+
+ if (gpio_is_valid(poweron->io))
+ {
+ gpio_direction_output(poweron->io, !poweron->enable);
+ msleep(20);
+ gpio_direction_output(poweron->io, poweron->enable);
+ msleep(20);
+ }
+ if (gpio_is_valid(reset->io))
+ {
+ gpio_direction_output(reset->io, !reset->enable);
+ msleep(20);
+ gpio_direction_output(reset->io, reset->enable);
+ }
+
+#if defined(CONFIG_AP6210) || defined(CONFIG_AP6335)
+ if (gpio_is_valid(rts->io))
+ {
+ pinctrl_select_state(pinctrl, rts->gpio_state);
+ LOG("ENABLE UART_RTS\n");
+ gpio_direction_output(rts->io, rts->enable);
+ msleep(100);
+ LOG("DISABLE UART_RTS\n");
+ gpio_direction_output(rts->io, !rts->enable);
+ pinctrl_select_state(pinctrl, rts->default_state);
+ }
+#endif
+
+ LOG("bt turn on power\n");
+ } else {
+ if (gpio_is_valid(poweron->io))
+ {
+ gpio_direction_output(poweron->io, !poweron->enable);
+ msleep(20);
+ }
+
+ LOG("bt shut off power\n");
+ if (gpio_is_valid(reset->io))
+ {
+ gpio_direction_output(reset->io, !reset->enable);/* bt reset active*/
+ msleep(20);
+ }
+ }
+
+ return 0;
+}
+
+static int rfkill_rk_pm_prepare(struct device *dev)
+{
+ struct rfkill_rk_data *rfkill = g_rfkill;
+ struct rfkill_rk_gpio* rts;
+ struct rfkill_rk_irq* wake_host_irq;
+ struct pinctrl *pinctrl = rfkill->pdata->pinctrl;
+
+ DBG("Enter %s\n",__FUNCTION__);
+
+ if (!rfkill)
+ return 0;
+
+ rts = &rfkill->pdata->rts_gpio;
+ wake_host_irq = &rfkill->pdata->wake_host_irq;
+
+ //To prevent uart to receive bt data when suspended
+ if (gpio_is_valid(rts->io))
+ {
+ DBG("Disable UART_RTS\n");
+ //pinctrl_select_state(pinctrl, rts->gpio_state);
+ //gpio_direction_output(rts->io, !rts->enable);
+ }
+
+#ifdef CONFIG_BT_AUTOSLEEP
+ rfkill_rk_sleep_bt(BT_SLEEP);
+#endif
+
+ // enable bt wakeup host
+ if (gpio_is_valid(wake_host_irq->gpio.io))
+ {
+ DBG("enable irq for bt wakeup host\n");
+ enable_irq(wake_host_irq->irq);
+ }
+
+#ifdef CONFIG_RFKILL_RESET
+ rfkill_set_states(rfkill->rfkill_dev, BT_BLOCKED, false);
+ rfkill_rk_set_power(rfkill, BT_BLOCKED);
+#endif
+
+ return 0;
+}
+
+static void rfkill_rk_pm_complete(struct device *dev)
+{
+ struct rfkill_rk_data *rfkill = g_rfkill;
+ struct rfkill_rk_irq* wake_host_irq;
+ struct rfkill_rk_gpio* rts;
+ struct pinctrl *pinctrl = rfkill->pdata->pinctrl;
+
+ DBG("Enter %s\n",__FUNCTION__);
+
+ if (!rfkill)
+ return;
+
+ wake_host_irq = &rfkill->pdata->wake_host_irq;
+ rts = &rfkill->pdata->rts_gpio;
+
+ if (gpio_is_valid(wake_host_irq->gpio.io))
+ {
+ LOG("** disable irq\n");
+ disable_irq(wake_host_irq->irq);
+ }
+
+ if (gpio_is_valid(rts->io))
+ {
+ DBG("Enable UART_RTS\n");
+ gpio_direction_output(rts->io, rts->enable);
+ pinctrl_select_state(pinctrl, rts->default_state);
+ }
+}
+
+static const struct rfkill_ops rfkill_rk_ops = {
+ .set_block = rfkill_rk_set_power,
+};
+
+#define PROC_DIR "bluetooth/sleep"
+
+static struct proc_dir_entry *bluetooth_dir, *sleep_dir;
+
+static int bluesleep_read_proc_lpm(char *page, char **start, off_t offset,
+ int count, int *eof, void *data)
+{
+ *eof = 1;
+ return sprintf(page, "unsupported to read\n");
+}
+
+static int bluesleep_write_proc_lpm(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ return count;
+}
+
+static int bluesleep_read_proc_btwrite(char *page, char **start, off_t offset,
+ int count, int *eof, void *data)
+{
+ *eof = 1;
+ return sprintf(page, "unsupported to read\n");
+}
+
+static int bluesleep_write_proc_btwrite(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ char b;
+
+ if (count < 1)
+ return -EINVAL;
+
+ if (copy_from_user(&b, buffer, 1))
+ return -EFAULT;
+
+ DBG("btwrite %c\n", b);
+ /* HCI_DEV_WRITE */
+ if (b != '0') {
+ rfkill_rk_sleep_bt(BT_WAKEUP);
+ }
+
+ return count;
+}
+
+#ifdef CONFIG_OF
+static int bluetooth_platdata_parse_dt(struct device *dev,
+ struct rfkill_rk_platform_data *data)
+{
+ struct device_node *node = dev->of_node;
+ int gpio;
+ enum of_gpio_flags flags;
+
+ if (!node)
+ return -ENODEV;
+
+ memset(data, 0, sizeof(*data));
+
+ if (of_find_property(node, "support_uart_rts_ctrl", NULL)) {
+ gpio = of_get_named_gpio_flags(node, "uart_rts_gpios", 0, &flags);
+ if (gpio_is_valid(gpio)) {
+ data->rts_gpio.io = gpio;
+ data->rts_gpio.enable = flags;
+ LOG("%s: get property: uart_rts_gpios = %d.\n", __func__, gpio);
+ data->pinctrl = devm_pinctrl_get(dev);
+ if (!IS_ERR(data->pinctrl)) {
+ data->rts_gpio.default_state = pinctrl_lookup_state(data->pinctrl, "default");
+ } else {
+ LOG("%s: dts does't define the uart rts iomux.\n", __func__);
+ return -EINVAL;
+ }
+ } else {
+ LOG("%s: uart_rts_gpios is unvalid.\n", __func__);
+ return -EINVAL;
+ }
+ }
+
+ gpio = of_get_named_gpio_flags(node, "BT,power_gpio", 0, &flags);
+ if (gpio_is_valid(gpio)){
+ data->poweron_gpio.io = gpio;
+ data->poweron_gpio.enable = (flags == GPIO_ACTIVE_HIGH)? 1:0;
+ LOG("%s: get property: BT,power_gpio = %d.\n", __func__, gpio);
+ }
+ gpio = of_get_named_gpio_flags(node, "BT,reset_gpio", 0, &flags);
+ if (gpio_is_valid(gpio)){
+ data->reset_gpio.io = gpio;
+ data->reset_gpio.enable = (flags == GPIO_ACTIVE_HIGH)? 1:0;
+ LOG("%s: get property: BT,reset_gpio = %d.\n", __func__, gpio);
+ }
+ gpio = of_get_named_gpio_flags(node, "BT,wake_gpio", 0, &flags);
+ if (gpio_is_valid(gpio)){
+ data->wake_gpio.io = gpio;
+ data->wake_gpio.enable = (flags == GPIO_ACTIVE_HIGH)? 1:0;
+ LOG("%s: get property: BT,wake_gpio = %d.\n", __func__, gpio);
+ }
+ gpio = of_get_named_gpio_flags(node, "BT,wake_host_irq", 0, &flags);
+ if (gpio_is_valid(gpio)) {
+ data->wake_host_irq.gpio.io = gpio;
+ data->wake_host_irq.gpio.enable = flags;
+ LOG("%s: get property: BT,wake_host_irq = %d.\n", __func__, gpio);
+ }
+
+ return 0;
+}
+#endif //CONFIG_OF
+
+static const struct file_operations bluesleep_lpm = {
+ .owner = THIS_MODULE,
+ .read = bluesleep_read_proc_lpm,
+ .write = bluesleep_write_proc_lpm,
+};
+
+static const struct file_operations bluesleep_btwrite = {
+ .owner = THIS_MODULE,
+ .read = bluesleep_read_proc_btwrite,
+ .write = bluesleep_write_proc_btwrite,
+};
+
+static int rfkill_rk_probe(struct platform_device *pdev)
+{
+ struct rfkill_rk_data *rfkill;
+ struct rfkill_rk_platform_data *pdata = pdev->dev.platform_data;
+ int ret = 0;
+ struct proc_dir_entry *ent;
+
+ DBG("Enter %s\n", __func__);
+
+ if (!pdata) {
+#ifdef CONFIG_OF
+ pdata = devm_kzalloc(&pdev->dev, sizeof(struct rfkill_rk_platform_data), GFP_KERNEL);
+ if (!pdata)
+ return -ENOMEM;
+
+ ret = bluetooth_platdata_parse_dt(&pdev->dev, pdata);
+ if (ret < 0) {
+#endif
+ LOG("%s: No platform data specified\n", __func__);
+ return ret;
+#ifdef CONFIG_OF
+ }
+#endif
+ }
+
+ pdata->name = (char*)bt_name;
+ pdata->type = RFKILL_TYPE_BLUETOOTH;
+
+ rfkill = devm_kzalloc(&pdev->dev, sizeof(*rfkill), GFP_KERNEL);
+ if (!rfkill) {
+ kfree(pdata);
+ return -ENOMEM;
+ }
+
+ rfkill->pdata = pdata;
+ rfkill->pdev = pdev;
+ g_rfkill = rfkill;
+
+ bluetooth_dir = proc_mkdir("bluetooth", NULL);
+ if (bluetooth_dir == NULL) {
+ LOG("Unable to create /proc/bluetooth directory");
+ return -ENOMEM;
+ }
+
+ sleep_dir = proc_mkdir("sleep", bluetooth_dir);
+ if (sleep_dir == NULL) {
+ LOG("Unable to create /proc/%s directory", PROC_DIR);
+ return -ENOMEM;
+ }
+
+ /* read/write proc entries */
+ ent = proc_create("lpm", 0, sleep_dir, &bluesleep_lpm);
+ if (ent == NULL) {
+ LOG("Unable to create /proc/%s/lpm entry", PROC_DIR);
+ ret = -ENOMEM;
+ goto fail_alloc;
+ }
+
+ /* read/write proc entries */
+ ent = proc_create("btwrite", 0, sleep_dir, &bluesleep_btwrite);
+ if (ent == NULL) {
+ LOG("Unable to create /proc/%s/btwrite entry", PROC_DIR);
+ ret = -ENOMEM;
+ goto fail_alloc;
+ }
+
+ DBG("init gpio\n");
+
+ ret = rfkill_rk_setup_gpio(pdev, &pdata->poweron_gpio, pdata->name, "poweron");
+ if (ret) goto fail_gpio;
+
+ ret = rfkill_rk_setup_gpio(pdev, &pdata->reset_gpio, pdata->name, "reset");
+ if (ret) goto fail_gpio;
+
+ ret = rfkill_rk_setup_gpio(pdev, &pdata->wake_gpio, pdata->name, "wake");
+ if (ret) goto fail_gpio;
+
+ ret = rfkill_rk_setup_wake_irq(rfkill);
+ if (ret) goto fail_gpio;
+
+ //ret = rfkill_rk_setup_gpio(pdev, &pdata->rts_gpio, rfkill->pdata->name, "rts");
+ //if (ret) goto fail_gpio;
+
+ DBG("setup rfkill\n");
+ rfkill->rfkill_dev = rfkill_alloc(pdata->name, &pdev->dev, pdata->type,
+ &rfkill_rk_ops, rfkill);
+ if (!rfkill->rfkill_dev)
+ goto fail_alloc;
+
+ rfkill_set_states(rfkill->rfkill_dev, BT_BLOCKED, false);
+ ret = rfkill_register(rfkill->rfkill_dev);
+ if (ret < 0)
+ goto fail_rfkill;
+
+ wake_lock_init(&(rfkill->bt_irq_wl), WAKE_LOCK_SUSPEND, "rfkill_rk_irq_wl");
+ INIT_DELAYED_WORK(&rfkill->bt_sleep_delay_work, rfkill_rk_delay_sleep_bt);
+
+ rfkill_rk_set_power(rfkill, BT_BLOCKED);
+
+ platform_set_drvdata(pdev, rfkill);
+
+ LOG("%s device registered.\n", pdata->name);
+
+ return 0;
+
+fail_rfkill:
+ rfkill_destroy(rfkill->rfkill_dev);
+fail_alloc:
+ g_rfkill = NULL;
+
+ remove_proc_entry("btwrite", sleep_dir);
+ remove_proc_entry("lpm", sleep_dir);
+fail_gpio:
+
+ return ret;
+}
+
+static int rfkill_rk_remove(struct platform_device *pdev)
+{
+ struct rfkill_rk_data *rfkill = platform_get_drvdata(pdev);
+
+ LOG("Enter %s\n", __func__);
+
+ rfkill_unregister(rfkill->rfkill_dev);
+ rfkill_destroy(rfkill->rfkill_dev);
+
+
+ cancel_delayed_work_sync(&rfkill->bt_sleep_delay_work);
+
+ // free gpio
+ if (gpio_is_valid(rfkill->pdata->rts_gpio.io))
+ gpio_free(rfkill->pdata->rts_gpio.io);
+
+ if (gpio_is_valid(rfkill->pdata->wake_host_irq.gpio.io)){
+ free_irq(rfkill->pdata->wake_host_irq.irq, rfkill);
+#ifndef CONFIG_BK3515A_COMBO
+ gpio_free(rfkill->pdata->wake_host_irq.gpio.io);
+#endif
+ }
+
+#ifndef CONFIG_BK3515A_COMBO
+ if (gpio_is_valid(rfkill->pdata->wake_gpio.io))
+ gpio_free(rfkill->pdata->wake_gpio.io);
+#endif
+
+ if (gpio_is_valid(rfkill->pdata->reset_gpio.io))
+ gpio_free(rfkill->pdata->reset_gpio.io);
+
+ if (gpio_is_valid(rfkill->pdata->poweron_gpio.io))
+ gpio_free(rfkill->pdata->poweron_gpio.io);
+
+ kfree(rfkill);
+ g_rfkill = NULL;
+
+ return 0;
+}
+
+static const struct dev_pm_ops rfkill_rk_pm_ops = {
+ .prepare = rfkill_rk_pm_prepare,
+ .complete = rfkill_rk_pm_complete,
+};
+
+#ifdef CONFIG_OF
+static struct of_device_id bt_platdata_of_match[] = {
+ { .compatible = "bluetooth-platdata" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, bt_platdata_of_match);
+#endif //CONFIG_OF
+
+static struct platform_driver rfkill_rk_driver = {
+ .probe = rfkill_rk_probe,
+ .remove = rfkill_rk_remove,
+ .driver = {
+ .name = "rfkill_bt",
+ .owner = THIS_MODULE,
+ .pm = &rfkill_rk_pm_ops,
+ .of_match_table = of_match_ptr(bt_platdata_of_match),
+ },
+};
+
+static int __init rfkill_rk_init(void)
+{
+ LOG("Enter %s\n", __func__);
+ return platform_driver_register(&rfkill_rk_driver);
+}
+
+static void __exit rfkill_rk_exit(void)
+{
+ LOG("Enter %s\n", __func__);
+ platform_driver_unregister(&rfkill_rk_driver);
+}
+
+module_init(rfkill_rk_init);
+module_exit(rfkill_rk_exit);
+
+MODULE_DESCRIPTION("rock-chips rfkill for Bluetooth v0.3");
+MODULE_AUTHOR("cmy@rock-chips.com, gwl@rock-chips.com");
+MODULE_LICENSE("GPL");
+
projects / firefly-linux-kernel-4.4.55.git / commitdiff