/* int BT_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) */
long BT_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
INT32 retval = 0;
MTK_WCN_BOOL bRet = MTK_WCN_BOOL_TRUE;
ENUM_WMTHWVER_TYPE_T hw_ver_sym = WMTHWVER_INVALID;
BT_DBG_FUNC("BT_ioctl(): cmd (%d)\n", cmd);
switch (cmd) {
#if 0
case 0: /* enable/disable STP */
/* George: STP is controlled by WMT only */
/* mtk_wcn_stp_enable(arg); */
break;
#endif
case 1: /* send raw data */
BT_DBG_FUNC("BT_ioctl(): disable raw data from BT dev\n");
retval = -EINVAL;
break;
case COMBO_IOC_BT_HWVER:
/*get combo hw version */
hw_ver_sym = mtk_wcn_wmt_hwver_get();
BT_INFO_FUNC("BT_ioctl(): get hw version = %d, sizeof(hw_ver_sym) = %zd\n",
hw_ver_sym, sizeof(hw_ver_sym));
if (copy_to_user((int __user *)arg, &hw_ver_sym, sizeof(hw_ver_sym)))
retval = -EFAULT;
break;
case COMBO_IOCTL_FW_ASSERT:
/* BT trigger fw assert for debug */
BT_INFO_FUNC("BT Set fw assert......, reason:%lu\n", arg);
bRet = mtk_wcn_wmt_assert(WMTDRV_TYPE_BT, arg);
if (bRet == MTK_WCN_BOOL_TRUE) {
BT_INFO_FUNC("BT Set fw assert OK\n");
retval = 0;
} else {
BT_INFO_FUNC("BT Set fw assert Failed\n");
retval = (-1000);
}
break;
case COMBO_IOCTL_BT_IC_HW_VER:
return mtk_wcn_wmt_ic_info_get(WMTCHIN_HWVER);
break;
case COMBO_IOCTL_BT_IC_FW_VER:
return mtk_wcn_wmt_ic_info_get(WMTCHIN_FWVER);
break;
default:
retval = -EFAULT;
BT_DBG_FUNC("BT_ioctl(): unknown cmd (%d)\n", cmd);
break;
}
return retval;
}
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");
}
}
ssize_t BT_write(struct file *filp, const char __user *buf, size_t count, loff_t *f_pos)
{
int retval = 0;
int written = 0;
down(&wr_mtx);
BT_DBG_FUNC("%s: count %d pos %lld\n", __func__, count, *f_pos);
if(retflag)
{
if (retflag == 1) //reset start
{
retval = -88;
BT_INFO_FUNC("MT662x reset Write: start\n");
}
else if (retflag == 2) // reset end
{
retval = -99;
BT_INFO_FUNC("MT662x reset Write: end\n");
}
goto OUT;
}
if (count > 0)
{
int copy_size = (count < MTKSTP_BUFFER_SIZE) ? count : MTKSTP_BUFFER_SIZE;
if (copy_from_user(&o_buf[0], &buf[0], copy_size))
{
retval = -EFAULT;
goto OUT;
}
//printk("%02x ", val);
written = mtk_wcn_stp_send_data(&o_buf[0], copy_size, BT_TASK_INDX);
if(0 == written)
{
retval = -ENOSPC;
/*no windowspace in STP is available, native process should not call BT_write with no delay at all*/
BT_ERR_FUNC("target packet length:%d, write success length:%d, retval = %d.\n", count, written, retval);
}
else
{
retval = written;
}
}else
{
retval = -EFAULT;
BT_ERR_FUNC("target packet length:%d is not allowed, retval = %d.\n", count, retval);
}
OUT:
up(&wr_mtx);
return (retval);
}
ssize_t BT_write(struct file *filp, const char __user *buf, size_t count, loff_t *f_pos)
{
INT32 retval = 0;
INT32 written = 0;
down(&wr_mtx);
BT_DBG_FUNC("%s: count %zd pos %lld\n", __func__, count, *f_pos);
if (retflag) {
if (retflag == 1) { /* reset start */
retval = -88;
BT_INFO_FUNC("MT662x reset Write: start\n");
} else if (retflag == 2) { /* reset end */
retval = -99;
BT_INFO_FUNC("MT662x reset Write: end\n");
}
goto OUT;
}
if (count > 0) {
INT32 copy_size;
if (count < BT_BUFFER_SIZE) {
copy_size = count;
} else {
copy_size = BT_BUFFER_SIZE;
BT_ERR_FUNC(" count > BT_BUFFER_SIZE\n");
}
if (copy_from_user(&o_buf[0], &buf[0], copy_size)) {
retval = -EFAULT;
goto OUT;
}
/* pr_warn("%02x ", val); */
written = mtk_wcn_stp_send_data(&o_buf[0], copy_size, BT_TASK_INDX);
if (0 == written) {
retval = -ENOSPC;
/*no windowspace is available, native process should not call BT_write with no delay at all */
BT_ERR_FUNC
("target packet length:%zd, write success length:%d, retval = %d.\n",
count, written, retval);
} else {
retval = written;
}
} else {
retval = -EFAULT;
BT_ERR_FUNC("target packet length:%zd is not allowed, retval = %d.\n", count, retval);
}
OUT:
up(&wr_mtx);
return retval;
}
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;
}
void BT_event_cb(void)
{
BT_DBG_FUNC("BT_event_cb() \n");
flag = 1;
wake_up(&BT_wq);
/* finally, awake any reader */
wake_up_interruptible(&inq); /* blocked in read() and select() */
return;
}
ssize_t BT_write(struct file *filp, const char __user *buf, size_t count, loff_t *f_pos)
{
INT32 retval = 0;
INT32 write_size;
INT32 written = 0;
down(&wr_mtx);
BT_DBG_FUNC("%s: count %zd pos %lld\n", __func__, count, *f_pos);
if (rstflag) {
if (rstflag == 1) { /* Reset start */
retval = -88;
BT_INFO_FUNC("%s: detect whole chip reset start\n", __func__);
} else if (rstflag == 2) { /* Reset end */
retval = -99;
BT_INFO_FUNC("%s: detect whole chip reset end\n", __func__);
}
goto OUT;
}
if (count > 0) {
if (count < BT_BUFFER_SIZE) {
write_size = count;
} else {
write_size = BT_BUFFER_SIZE;
BT_ERR_FUNC("%s: count > BT_BUFFER_SIZE\n", __func__);
}
if (copy_from_user(&o_buf[0], &buf[0], write_size)) {
retval = -EFAULT;
goto OUT;
}
written = mtk_wcn_stp_send_data(&o_buf[0], write_size, BT_TASK_INDX);
if (0 == written) {
retval = -ENOSPC;
/* No space is available, native program should not call BT_write with no delay */
BT_ERR_FUNC
("Packet length %zd, sent length %d, retval = %d\n",
count, written, retval);
} else {
retval = written;
}
} else {
retval = -EFAULT;
BT_ERR_FUNC("Packet length %zd is not allowed, retval = %d\n", count, retval);
}
OUT:
up(&wr_mtx);
return retval;
}
VOID BT_event_cb(VOID)
{
BT_DBG_FUNC("BT_event_cb()\n");
flag = 1;
/*
* Finally, wake up any reader blocked in poll or read
*/
wake_up_interruptible(&inq);
wake_up(&BT_wq);
}
ssize_t BT_read(struct file *filp, char __user *buf, size_t count, loff_t *f_pos)
{
static int chip_reset_count;
INT32 retval = 0;
down(&rd_mtx);
BT_DBG_FUNC("%s: count %zd pos %lld\n", __func__, count, *f_pos);
if (rstflag) {
if (rstflag == 1) { /* Reset start */
retval = -88;
if ((chip_reset_count%500) == 0)
BT_INFO_FUNC("%s: detect whole chip reset start, %d\n", __func__, chip_reset_count);
chip_reset_count++;
} else if (rstflag == 2) { /* Reset end */
retval = -99;
BT_INFO_FUNC("%s: detect whole chip reset end\n", __func__);
chip_reset_count = 0;
}
goto OUT;
}
if (count > BT_BUFFER_SIZE) {
count = BT_BUFFER_SIZE;
BT_ERR_FUNC("%s: count > BT_BUFFER_SIZE\n", __func__);
}
retval = mtk_wcn_stp_receive_data(i_buf, count, BT_TASK_INDX);
while (retval == 0) { /* Got nothing, wait for STP's signal */
/*
* If nonblocking mode, return directly.
* O_NONBLOCK is specified during open()
*/
if (filp->f_flags & O_NONBLOCK) {
BT_DBG_FUNC("Non-blocking BT_read\n");
retval = -EAGAIN;
goto OUT;
}
BT_DBG_FUNC("%s: wait_event 1\n", __func__);
wait_event(BT_wq, flag != 0);
BT_DBG_FUNC("%s: wait_event 2\n", __func__);
flag = 0;
retval = mtk_wcn_stp_receive_data(i_buf, count, BT_TASK_INDX);
BT_DBG_FUNC("%s: mtk_wcn_stp_receive_data returns %d\n", __func__, retval);
}
/* Got something from STP driver */
if (copy_to_user(buf, i_buf, retval)) {
retval = -EFAULT;
goto OUT;
}
OUT:
up(&rd_mtx);
BT_DBG_FUNC("%s: retval = %d\n", __func__, retval);
return retval;
}
ssize_t BT_read(struct file *filp, char __user *buf, size_t count, loff_t *f_pos)
{
int retval = 0;
down(&rd_mtx);
BT_DBG_FUNC("BT_read(): count %d pos %lld\n", count, *f_pos);
if(retflag)
{
if (retflag == 1) //reset start
{
retval = -88;
BT_INFO_FUNC("MT662x reset Read: start\n");
}
else if (retflag == 2) // reset end
{
retval = -99;
BT_INFO_FUNC("MT662x reset Read: end\n");
}
goto OUT;
}
if(count > MTKSTP_BUFFER_SIZE)
{
count = MTKSTP_BUFFER_SIZE;
}
retval = mtk_wcn_stp_receive_data(i_buf, count, BT_TASK_INDX);
while(retval == 0) // got nothing, wait for STP's signal
{
/*If nonblocking mode, return directly O_NONBLOCK is specified during open() */
if (filp->f_flags & O_NONBLOCK){
BT_DBG_FUNC("Non-blocking BT_read() \n");
retval = -EAGAIN;
goto OUT;
}
BT_DBG_FUNC("BT_read(): wait_event 1\n");
wait_event(BT_wq, flag != 0);
BT_DBG_FUNC("BT_read(): wait_event 2\n");
flag = 0;
retval = mtk_wcn_stp_receive_data(i_buf, count, BT_TASK_INDX);
BT_DBG_FUNC("BT_read(): mtk_wcn_stp_receive_data() = %d\n", retval);
}
// we got something from STP driver
if (copy_to_user(buf, i_buf, retval))
{
retval = -EFAULT;
goto OUT;
}
OUT:
up(&rd_mtx);
BT_DBG_FUNC("BT_read(): retval = %d\n", retval);
return (retval);
}
//int BT_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg)
long BT_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
int retval = 0;
ENUM_WMTHWVER_TYPE_T hw_ver_sym = WMTHWVER_INVALID;
BT_DBG_FUNC("BT_ioctl(): cmd (%d)\n", cmd);
switch(cmd)
{
#if 0
case 0: // enable/disable STP
/* George: STP is controlled by WMT only */
/* mtk_wcn_stp_enable(arg); */
break;
#endif
case 1: // send raw data
BT_DBG_FUNC("BT_ioctl(): disable raw data from BT dev \n");
retval = -EINVAL;
break;
case COMBO_IOC_BT_HWVER:
/*get combo hw version*/
hw_ver_sym = mtk_wcn_wmt_hwver_get();
BT_INFO_FUNC("BT_ioctl(): get hw version = %d, sizeof(hw_ver_sym) = %d\n", hw_ver_sym, sizeof(hw_ver_sym));
if(copy_to_user((int __user *)arg, &hw_ver_sym, sizeof(hw_ver_sym))){
retval = -EFAULT;
}
break;
default:
retval = -EFAULT;
BT_DBG_FUNC("BT_ioctl(): unknown cmd (%d)\n", cmd);
break;
}
return retval;
}
/* int BT_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) */
long BT_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
INT32 retval = 0;
MTK_WCN_BOOL bRet = MTK_WCN_BOOL_TRUE;
ENUM_WMTHWVER_TYPE_T hw_ver_sym = WMTHWVER_INVALID;
BT_DBG_FUNC("%s: cmd: 0x%x\n", __func__, cmd);
switch (cmd) {
case COMBO_IOC_BT_HWVER:
/* Get combo HW version */
hw_ver_sym = mtk_wcn_wmt_hwver_get();
BT_INFO_FUNC("%s: HW version = %d, sizeof(hw_ver_sym) = %zd\n",
__func__, hw_ver_sym, sizeof(hw_ver_sym));
if (copy_to_user((int __user *)arg, &hw_ver_sym, sizeof(hw_ver_sym)))
retval = -EFAULT;
break;
case COMBO_IOCTL_FW_ASSERT:
/* Trigger FW assert for debug */
BT_INFO_FUNC("%s: Host trigger FW assert......, reason:%lu\n", __func__, arg);
bRet = mtk_wcn_wmt_assert(WMTDRV_TYPE_BT, arg);
if (bRet == MTK_WCN_BOOL_TRUE) {
BT_INFO_FUNC("Host trigger FW assert succeed\n");
retval = 0;
} else {
BT_ERR_FUNC("Host trigger FW assert Failed\n");
retval = (-EBUSY);
}
break;
case COMBO_IOCTL_BT_IC_HW_VER:
retval = mtk_wcn_wmt_ic_info_get(WMTCHIN_HWVER);
break;
case COMBO_IOCTL_BT_IC_FW_VER:
retval = mtk_wcn_wmt_ic_info_get(WMTCHIN_FWVER);
break;
default:
retval = -EFAULT;
BT_ERR_FUNC("Unknown cmd (%d)\n", cmd);
break;
}
return retval;
}
