#define AUTO_OFF_TIMEOUT 2000
-
-#ifndef RDA_BT_SUPPORT
-#define RDA_BT_SUPPORT
-#include <linux/fs.h>
-#include <linux/tty.h>
-#include <linux/time.h>
-#define BT_NVRAM_FILE_NAME "/data/misc/bluetooth/.rdabtaddr"
-
-typedef enum
-{
- HOST_WAKEUP_BT = 1,
- BT_WAKEUP_HOST,
- BT_SEND_WAKEUP
-}bt_wakeup_status;
-
-struct hci_uart {
- struct tty_struct *tty;
- struct hci_dev *hdev;
- unsigned long flags;
-
- struct hci_uart_proto *proto;
- void *priv;
-
- struct sk_buff *tx_skb;
- unsigned long tx_state;
- spinlock_t rx_lock;
-};
-
-static int nvram_read(char *filename, char *buf, ssize_t len, int offset)
-{
- struct file *fd;
- //ssize_t ret;
- int retLen = -1;
-
- mm_segment_t old_fs = get_fs();
- set_fs(KERNEL_DS);
-
- fd = filp_open(filename, O_WRONLY|O_CREAT, 0666);
-
- if(IS_ERR(fd)) {
- printk("[rda5890][nvram_read] : failed to open fd = %d !!\n" ,fd);
- return -1;
- }
- do{
- if ((fd->f_op == NULL) || (fd->f_op->read == NULL))
- {
- printk("[rda5890][nvram_read] : file can not be read!!\n");
- break;
- }
-
- if (fd->f_pos != offset) {
- if (fd->f_op->llseek)
- {
- if(fd->f_op->llseek(fd, offset, 0) != offset)
- {
- printk("[rda5890][nvram_read] : failed to seek!!\n");
- break;
- }
- }
- else
- {
- fd->f_pos = offset;
- }
- }
-
- retLen = fd->f_op->read(fd,
- buf,
- len,
- &fd->f_pos);
- }while(false);
-
-
- filp_close(fd, NULL);
- set_fs(old_fs);
- return retLen;
-}
-
-static int nvram_write(char *filename, char *buf, ssize_t len, int offset)
-{
- struct file *fd;
- int retLen = -1;
-
- mm_segment_t old_fs = get_fs();
- set_fs(KERNEL_DS);
-
- fd = filp_open(filename, O_WRONLY|O_CREAT, 0666);
-
- if(IS_ERR(fd))
- {
- printk("[rda5890][nvram_write] : failed to open!!\n");
- return -1;
- }
-
- do{
- if ((fd->f_op == NULL) || (fd->f_op->write == NULL))
- {
- printk("[rda5890][nvram_write] : file can not be write!!\n");
- break;
- } /* End of if */
-
- if (fd->f_pos != offset)
- {
- if (fd->f_op->llseek)
- {
- if(fd->f_op->llseek(fd, offset, 0) != offset)
- {
- printk("[rda5890][nvram_write] : failed to seek!!\n");
- break;
- }
- }
- else
- {
- fd->f_pos = offset;
- }
- }
-
- retLen = fd->f_op->write(fd,
- buf,
- len,
- &fd->f_pos);
- }while(false);
-
- filp_close(fd, NULL);
- set_fs(old_fs);
- return retLen;
-}
-
-static int rda5890_read_bt_addr(char* buf)
-{
- return nvram_read(BT_NVRAM_FILE_NAME, buf, 6, 0);
-}
-
-static int rda5890_write_bt_addr(char * buf)
-{
- return nvram_write(BT_NVRAM_FILE_NAME, buf, 6, 0);
-}
-
-#endif
-
static void hci_cmd_task(unsigned long arg);
static void hci_rx_task(unsigned long arg);
static void hci_tx_task(unsigned long arg);
-#ifdef RDA_BT_SUPPORT
-
-volatile int need_wakeup_bt;
-//atomic_t need_wakeup_bt;
-EXPORT_SYMBOL(need_wakeup_bt);
-
-static struct delayed_work bt_pm_delayed_work;
-static void hci_bt_pm_task(struct work_struct *work);
-extern int hci_uart_tx_wakeup(struct hci_uart *hu);
-
-#endif
static DEFINE_RWLOCK(hci_task_lock);
atomic_set(&hdev->cmd_cnt, 1);
set_bit(HCI_INIT, &hdev->flags);
hdev->init_last_cmd = 0;
-#ifdef RDA_BT_SUPPORT
- {
- unsigned char bt_addr_cmd[10]= {0x01,0x1a,0xfc,0x06,0x00,0x00,0x00,0x00,0x90,0x59};
- struct hci_uart *hu = (struct hci_uart *) hdev->driver_data;
- struct tty_struct *tty = hu->tty;
-
- if(rda5890_read_bt_addr(&bt_addr_cmd[4]) != 6)
- {
- get_random_bytes(&bt_addr_cmd[4], 4);
- rda5890_write_bt_addr(&bt_addr_cmd[4]);
- }
-
- tty->ops->write(tty, bt_addr_cmd, 10);
- msleep(50);
- printk("bt_addr:%x:%x:%x:%x:%x:%x \n", bt_addr_cmd[4], bt_addr_cmd[5],bt_addr_cmd[6],bt_addr_cmd[7],bt_addr_cmd[8],bt_addr_cmd[9]);
- }
-#endif
+
ret = __hci_request(hdev, hci_init_req, 0,
msecs_to_jiffies(HCI_INIT_TIMEOUT));
tasklet_kill(&hdev->rx_task);
tasklet_kill(&hdev->tx_task);
tasklet_kill(&hdev->cmd_task);
-#ifdef RDA_BT_SUPPORT
- cancel_delayed_work(&bt_pm_delayed_work);
- need_wakeup_bt = -1;
- //atomic_set(&need_wakeup_bt, -1);
-#endif
skb_queue_purge(&hdev->cmd_q);
skb_queue_purge(&hdev->rx_q);
/* Kill RX and TX tasks */
tasklet_kill(&hdev->rx_task);
tasklet_kill(&hdev->tx_task);
-#ifdef RDA_BT_SUPPORT
- cancel_delayed_work_sync(&bt_pm_delayed_work);
- flush_scheduled_work();
- //atomic_set(&need_wakeup_bt, -1);
- need_wakeup_bt = -1;
-#endif
+
hci_dev_lock_bh(hdev);
inquiry_cache_flush(hdev);
hci_conn_hash_flush(hdev);
hci_req_lock(hdev);
tasklet_disable(&hdev->tx_task);
-#ifdef RDA_BT_SUPPORT
- cancel_delayed_work(&bt_pm_delayed_work);
- //atomic_set(&need_wakeup_bt, 0);
- need_wakeup_bt = 0;
-#endif
+
if (!test_bit(HCI_UP, &hdev->flags))
goto done;
tasklet_init(&hdev->cmd_task, hci_cmd_task, (unsigned long) hdev);
tasklet_init(&hdev->rx_task, hci_rx_task, (unsigned long) hdev);
tasklet_init(&hdev->tx_task, hci_tx_task, (unsigned long) hdev);
-#ifdef RDA_BT_SUPPORT
- //atomic_set(&need_wakeup_bt, 0);
- need_wakeup_bt = 0;
- INIT_DELAYED_WORK(&bt_pm_delayed_work, hci_bt_pm_task);
-#endif
+
skb_queue_head_init(&hdev->rx_q);
skb_queue_head_init(&hdev->cmd_q);
skb_queue_head_init(&hdev->raw_q);
struct hci_dev *hdev = (struct hci_dev *) arg;
struct sk_buff *skb;
-#ifdef RDA_BT_SUPPORT
- struct hci_event_hdr *hdr;
- __u8 event;
- int action = 0;
-
- cancel_delayed_work(&bt_pm_delayed_work);
- //if(atomic_read(&need_wakeup_bt) >= 0)
- if(need_wakeup_bt>=0)
- schedule_delayed_work(&bt_pm_delayed_work, 4*HZ);
-#endif
-
BT_DBG("%s", hdev->name);
read_lock(&hci_task_lock);
/* Process frame */
switch (bt_cb(skb)->pkt_type) {
case HCI_EVENT_PKT:
-#ifdef RDA_BT_SUPPORT
- {
- hdr = (struct hci_event_hdr *) skb->data;
- event = hdr->evt;
-
- if(event == HCI_EV_CMD_COMPLETE)
- {
- //struct hci_uart *hu = (struct hci_uart *) hdev->driver_data;
- struct hci_ev_cmd_complete *ev = (void *) skb->data + HCI_EVENT_HDR_SIZE;
- if((ev->opcode == (0x3f<<10 | 0xc0)) || (ev->opcode == (0x3f<<10 | 0xc1)))
- {
- //if(hu)
- //hci_uart_tx_wakeup(hu);
- action = 1;
- kfree_skb(skb);
- break;
- }
- }
- }
-#endif
hci_event_packet(hdev, skb);
break;
}
read_unlock(&hci_task_lock);
-
-#ifdef RDA_BT_SUPPORT
- if(action == 1)
- {
- struct hci_uart *hu = (struct hci_uart *) hdev->driver_data;
-
- //atomic_set(&need_wakeup_bt, 0);
- need_wakeup_bt = 0;
- if(hu)
- {
- hci_uart_tx_wakeup(hu);
- }
- }
-#endif
-
}
static void hci_cmd_task(unsigned long arg)
}
}
}
-
-
-#ifdef RDA_BT_SUPPORT
-static void hci_bt_pm_task(struct work_struct *work)
-{
- //if(atomic_read(&need_wakeup_bt) != BT_WAKEUP_HOST)
- //atomic_set(&need_wakeup_bt, HOST_WAKEUP_BT);
- if(need_wakeup_bt != BT_WAKEUP_HOST)
- need_wakeup_bt = HOST_WAKEUP_BT;
-}
-
-void export_bt_hci_wakeup_chip(void)
-{
- struct hci_dev * hdev = hci_dev_get(0);
- struct hci_uart *hu = NULL;
-
- if(hdev)
- hu = (struct hci_uart *) hdev->driver_data;
- else
- {
- //atomic_set(&need_wakeup_bt, 0);
- need_wakeup_bt = 0;
- return ;
- }
-
- //atomic_set(&need_wakeup_bt, BT_WAKEUP_HOST);
- need_wakeup_bt = BT_WAKEUP_HOST;
- hci_uart_tx_wakeup(hu);
-}
-
-EXPORT_SYMBOL(export_bt_hci_wakeup_chip);
-#endif
-
projects / firefly-linux-kernel-4.4.55.git / commitdiff