/**
* Stops the Sleep-Mode Protocol on the Host.
*/
void brcm_btsleep_stop(enum sleep_type type)
{
#ifdef LPM_BLUESLEEP
//BT_S : fix wrong lpm_param issue, [START]
printk("%s - %d\n", __func__, type);
if(type == SLEEP_BLUESLEEP)
#if defined(CONFIG_BT_MSM_SLEEP)
bluesleep_stop();
#elif defined(CONFIG_LGE_BLUETOOTH_PM)
bluetooth_pm_sleep_stop();
#endif
//BT_E : fix wrong lpm_param issue, [END]
#endif
}
/**
* Modify the low-power protocol used by the Host via the proc interface.
* @param file Not used.
* @param buffer The buffer to read from.
* @param count The number of bytes to be written.
* @param data Not used.
* @return On success, the number of bytes written. On error, -1, and
* <code>errno</code> is set appropriately.
*/
static int bluetooth_pm_write_proc_proto(struct file *file, const char *buffer,
unsigned long count, void *data)
{
char proto;
if (count < 1)
return -EINVAL;
if (copy_from_user(&proto, buffer, 1))
return -EFAULT;
if (proto == '1')
bluetooth_pm_sleep_start();
else
bluetooth_pm_sleep_stop();
/* claim that we wrote everything */
return count;
}
static ssize_t proc_bt_proto_write(struct file *file, const char __user *buf,
size_t length, loff_t *ppos)
{
char proto;
BT_INFO("");
if (length < 1)
return -EINVAL;
if (copy_from_user(&proto, buf, 1))
return -EFAULT;
if (proto == '0')
bluetooth_pm_sleep_stop();
else
bluetooth_pm_sleep_start();
/* claim that we wrote everything */
return length;
}
//BT_S : [CONBT-1572] LGC_BT_COMMON_IMP_KERNEL_UART_SHUTDOWN_EXCEPTION_HANDLING
void bluetooth_pm_sleep_stop_by_uart(void)
{
printk("%s\n", __func__);
bluetooth_pm_sleep_stop();
}
static int bluetooth_pm_rfkill_set_power(void *data, bool blocked)
{
struct bluetooth_pm_device_info *bdev = data;
//BT_S : [CONBT-1256] Fix to kernel crash happened when CONFIG_DEBUG_SPINLOCK is removed.
//struct pinctrl_state *pins_state;
//BT_E : [CONBT-1256] Fix to kernel crash happened when CONFIG_DEBUG_SPINLOCK is removed.
unsigned long irq_flags;
printk("%s: blocked (%d)\n", __func__, blocked);
if (gpio_get_value(bsi->bt_reset) == !blocked)
{
printk("%s: Receive same status(%d)\n", __func__, blocked);
return 0;
}
// Check Proto...
spin_lock_irqsave(&rw_lock, irq_flags);
if (test_bit(BT_PROTO, &flags)) {
spin_unlock_irqrestore(&rw_lock, irq_flags);
printk("%s: proto is enabled. kill proto first..\n", __func__);
bluetooth_pm_sleep_stop();
mdelay(100);
}
else
{
spin_unlock_irqrestore(&rw_lock, irq_flags);
}
//BT_S : [CONBT-1256] Fix to kernel crash happened when CONFIG_DEBUG_SPINLOCK is removed.
/*
if (!IS_ERR_OR_NULL(bdev->bt_pinctrl)) {
pins_state = blocked ? bdev->gpio_state_active : bdev->gpio_state_suspend;
if (pinctrl_select_state(bdev->bt_pinctrl, pins_state)) {
pr_err("%s: error on pinctrl_select_state for bt enable - %s\n", __func__,
blocked ? "bt_enable_active" : "bt_enable_suspend");
} else {
printk("%s: success to set pinctrl for bt enable - %s\n", __func__,
blocked ? "bt_enable_active" : "bt_enable_suspend");
}
}
*/
//BT_E : [CONBT-1256]] Fix to kernel crash happened when CONFIG_DEBUG_SPINLOCK is removed.
printk("%s: bdev->gpio_bt_reset = %d\n",__func__, bdev->gpio_bt_reset);
printk("%s: bdev->gpio_bt_host_wake = %d \n",__func__,bdev->gpio_bt_host_wake);
printk("%s: bdev->gpio_bt_ext_wake = %d \n",__func__,bdev->gpio_bt_ext_wake);
if (!blocked) { // BT ON
gpio_direction_output(bdev->gpio_bt_reset, 0);
msleep(30);
gpio_direction_output(bdev->gpio_bt_reset, 1);
printk("%s: Bluetooth RESET HIGH!!\n", __func__);
} else { // BT OFF
gpio_direction_output(bdev->gpio_bt_reset, 0);
printk("%s: Bluetooth RESET LOW!!\n", __func__);
}
return 0;
}
