static int BT_open(struct inode *inode, struct file *file)
{
BT_INFO_FUNC("%s: major %d minor %d (pid %d)\n", __func__,
imajor(inode),
iminor(inode),
current->pid
);
#if 1 /* GeorgeKuo: turn on function before check stp ready */
/* turn on BT */
if (MTK_WCN_BOOL_FALSE == mtk_wcn_wmt_func_on(WMTDRV_TYPE_BT)) {
BT_WARN_FUNC("WMT turn on BT fail!\n");
return -ENODEV;
}else{
retflag = 0;
mtk_wcn_wmt_msgcb_reg(WMTDRV_TYPE_BT, bt_cdev_rst_cb);
BT_INFO_FUNC("WMT register BT rst cb!\n");
}
#endif
if (mtk_wcn_stp_is_ready()) {
#if 0 /* GeorgeKuo: turn on function before check stp ready */
/* turn on BT */
if (MTK_WCN_BOOL_FALSE == mtk_wcn_wmt_func_on(WMTDRV_TYPE_BT)) {
BT_WARN_FUNC("WMT turn on BT fail!\n");
return -ENODEV;
}
#endif
mtk_wcn_stp_set_bluez(0);
BT_INFO_FUNC("Now it's in MTK Bluetooth Mode\n");
BT_INFO_FUNC("WMT turn on BT OK!\n");
BT_INFO_FUNC("STP is ready!\n");
platform_load_nvram_data(BT_NVRAM_CUSTOM_NAME,
(char *)&g_nvram_btdata, sizeof(g_nvram_btdata));
BT_INFO_FUNC("Read NVRAM : BD address %02x%02x%02x%02x%02x%02x Cap 0x%02x Codec 0x%02x\n",
g_nvram_btdata[0], g_nvram_btdata[1], g_nvram_btdata[2],
g_nvram_btdata[3], g_nvram_btdata[4], g_nvram_btdata[5],
g_nvram_btdata[6], g_nvram_btdata[7]);
mtk_wcn_stp_register_event_cb(BT_TASK_INDX, BT_event_cb);
BT_INFO_FUNC("mtk_wcn_stp_register_event_cb finish\n");
}
else {
BT_ERR_FUNC("STP is not ready\n");
/*return error code*/
return -ENODEV;
}
// init_MUTEX(&wr_mtx);
sema_init(&wr_mtx, 1);
// init_MUTEX(&rd_mtx);
sema_init(&rd_mtx, 1);
BT_INFO_FUNC("finish\n");
return 0;
}
static VOID bt_cdev_rst_cb(ENUM_WMTDRV_TYPE_T src,
ENUM_WMTDRV_TYPE_T dst, ENUM_WMTMSG_TYPE_T type, PVOID buf, UINT32 sz)
{
/*
Handle whole chip reset messages
*/
ENUM_WMTRSTMSG_TYPE_T rst_msg;
if (sz <= sizeof(ENUM_WMTRSTMSG_TYPE_T)) {
memcpy((PINT8) & rst_msg, (PINT8) buf, sz);
BT_DBG_FUNC("src = %d, dst = %d, type = %d, buf = 0x%x sz = %d, max = %d\n", src,
dst, type, rst_msg, sz, WMTRSTMSG_RESET_MAX);
if ((src == WMTDRV_TYPE_WMT) && (dst == WMTDRV_TYPE_BT)
&& (type == WMTMSG_TYPE_RESET)) {
if (rst_msg == WMTRSTMSG_RESET_START) {
BT_INFO_FUNC("BT reset start!\n");
rstflag = 1;
wake_up_interruptible(&inq);
} else if (rst_msg == WMTRSTMSG_RESET_END) {
BT_INFO_FUNC("BT reset end!\n");
rstflag = 2;
wake_up_interruptible(&inq);
}
}
} else {
/* Invalid message format */
BT_WARN_FUNC("Invalid message format!\n");
}
}
static int BT_open(struct inode *inode, struct file *file)
{
BT_INFO_FUNC("%s: major %d minor %d pid %d\n", __func__, imajor(inode), iminor(inode), current->pid);
if (current->pid == 1)
return 0;
/* Turn on BT */
if (MTK_WCN_BOOL_FALSE == mtk_wcn_wmt_func_on(WMTDRV_TYPE_BT)) {
BT_WARN_FUNC("WMT turn on BT fail!\n");
return -ENODEV;
}
BT_INFO_FUNC("WMT turn on BT OK!\n");
rstflag = 0;
if (mtk_wcn_stp_is_ready()) {
mtk_wcn_stp_set_bluez(0);
BT_INFO_FUNC("Now it's in MTK Bluetooth Mode\n");
BT_INFO_FUNC("STP is ready!\n");
BT_DBG_FUNC("Register BT event callback!\n");
mtk_wcn_stp_register_event_cb(BT_TASK_INDX, BT_event_cb);
} else {
BT_ERR_FUNC("STP is not ready\n");
mtk_wcn_wmt_func_off(WMTDRV_TYPE_BT);
return -ENODEV;
}
BT_DBG_FUNC("Register BT reset callback!\n");
mtk_wcn_wmt_msgcb_reg(WMTDRV_TYPE_BT, bt_cdev_rst_cb);
/* init_MUTEX(&wr_mtx); */
sema_init(&wr_mtx, 1);
/* init_MUTEX(&rd_mtx); */
sema_init(&rd_mtx, 1);
BT_INFO_FUNC("%s: finish\n", __func__);
return 0;
}