forked from loimu/rtbth-dkms
/
rtbth_core_us.c
2110 lines (1730 loc) · 61.9 KB
/
rtbth_core_us.c
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/*
*************************************************************************
* Ralink Technology Corporation
* 5F., No. 5, Taiyuan 1st St., Jhubei City,
* Hsinchu County 302,
* Taiwan, R.O.C.
*
* (c) Copyright 2012, Ralink Technology Corporation
*
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* 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. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
*************************************************************************/
#include "rt_linux.h"
#include "rtbt_ctrl.h"
#include "rtbth_us.h"
#include "hps_bluez.h"
RTBTH_ADAPTER *gpAd = 0;
static int pollm = 1;
static int evt_wq_flag = 0;
static int sync_wq_flag = 0;
static int bind_wq_flag = 0;
static DECLARE_WAIT_QUEUE_HEAD(evt_wq);
static DECLARE_WAIT_QUEUE_HEAD(sync_wq);
//static unsigned int evt; // input buffer of read()
#define RB_SIZE(prb) ((prb)->size)
#define RB_MASK(prb) (RB_SIZE(prb) - 1)
#define RB_COUNT(prb) ((prb)->write - (prb)->read)
#define RB_FULL(prb) (RB_COUNT(prb) >= RB_SIZE(prb))
#define RB_EMPTY(prb) ((prb)->write == (prb)->read)
#define RB_INIT(prb, qsize) \
{ \
(prb)->read = (prb)->write = 0; \
(prb)->size = (qsize); \
}
#define RB_PUT(prb, value) \
{ \
if (!RB_FULL( prb )) { \
(prb)->queue[ (prb)->write & RB_MASK(prb) ] = value; \
++((prb)->write); \
} \
else { \
\
} \
}
#define RB_GET(prb, value) \
{ \
if (!RB_EMPTY(prb)) { \
value = (prb)->queue[ (prb)->read & RB_MASK(prb) ]; \
++((prb)->read); \
if (RB_EMPTY(prb)) { \
(prb)->read = (prb)->write = 0; \
} \
} \
else { \
value = NULL; \
} \
}
#define _osal_inline_ inline
typedef enum e_logical_link_index {
INQUIRY_LOGICAL_LINK = 0,
INQUIRY_SCAN_LOGICAL_LINK = 1,
ASBU_LOGICAL_LINK = 2,
PSBU_LOGICAL_LINK = 3,
PSBC_LOGICAL_LINK = 4,
SYNC_LOGICAL_LINK = 5,
ACLU_LOGICAL_LINK = SYNC_LOGICAL_LINK + 3,
ACLC_LOGICAL_LINK = ACLU_LOGICAL_LINK + 7,
STANDBY_LOGICAL_LINK = ACLC_LOGICAL_LINK + 7,
LE_SCAN_LOGICAL_LINK = STANDBY_LOGICAL_LINK + 1,
LE_ACL_LOGICAL_LINK = LE_SCAN_LOGICAL_LINK + 1,
TOTAL_NUM_OF_LLINKS = LE_ACL_LOGICAL_LINK + 3,
INVALID_LOGICAL_LINK = 0xFF
} LLIDX;
//#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
UINT32 osal_op_get_id(P_OSAL_OP pOp)
{
return (pOp) ? pOp->op.opId : 0xFFFFFFFF;
}
int osal_unsleepable_lock_init (P_OSAL_UNSLEEPABLE_LOCK pUSL)
{
spin_lock_init(&(pUSL->lock));
return 0;
}
int osal_lock_unsleepable_lock (P_OSAL_UNSLEEPABLE_LOCK pUSL)
{
spin_lock_irqsave(&(pUSL->lock), pUSL->flag);
return 0;
}
int osal_unlock_unsleepable_lock (P_OSAL_UNSLEEPABLE_LOCK pUSL)
{
spin_unlock_irqrestore(&(pUSL->lock), pUSL->flag);
return 0;
}
extern int osal_unsleepable_lock_deinit (P_OSAL_UNSLEEPABLE_LOCK pUSL)
{
return 0;
}
/*
*OSAL layer Thread Opeartion releated APIs
*
*
*/
_osal_inline_ int
osal_thread_create (
P_OSAL_THREAD pThread
)
{
pThread->pThread = kthread_create(pThread->pThreadFunc,
pThread->pThreadData,
pThread->threadName);
if (NULL == pThread->pThread) {
return -1;
}
return 0;
}
_osal_inline_ int
osal_thread_run (
P_OSAL_THREAD pThread
)
{
if (pThread->pThread) {
wake_up_process(pThread->pThread);
return 0;
}
else {
return -1;
}
}
_osal_inline_ int
osal_thread_stop (
P_OSAL_THREAD pThread
)
{
int iRet;
if ( (pThread) && (pThread->pThread) ) {
iRet = kthread_stop(pThread->pThread);
//pThread->pThread = NULL;
return iRet;
}
return -1;
}
_osal_inline_ int
osal_thread_should_stop (
P_OSAL_THREAD pThread
)
{
if ( (pThread) && (pThread->pThread) ) {
return kthread_should_stop();
}
else {
return 1;
}
}
typedef unsigned int (*P_OSAL_EVENT_CHECKER)(P_OSAL_THREAD pThread);
_osal_inline_ int
osal_thread_wait_for_event (
P_OSAL_THREAD pThread,
P_OSAL_EVENT pEvent,
P_OSAL_EVENT_CHECKER pChecker
)
{
if ( (pThread) && (pThread->pThread) && (pEvent) && (pChecker)) {
/* pDevWmt = (P_DEV_WMT)(pThread->pThreadData);*/
return wait_event_interruptible(pEvent->waitQueue,
(/*!RB_EMPTY(&pDevWmt->rActiveOpQ) ||*/ osal_thread_should_stop(pThread) || (*pChecker)(pThread)));
}
return -1;
}
_osal_inline_ int
osal_thread_destroy (
P_OSAL_THREAD pThread
)
{
if (pThread && (pThread->pThread)) {
kthread_stop(pThread->pThread);
pThread->pThread = NULL;
}
return 0;
}
/*
*OSAL layer Signal Opeartion releated APIs
*initialization
*wait for signal
*wait for signal timerout
*raise signal
*destroy a signal
*
*/
_osal_inline_ int
osal_signal_init (
P_OSAL_SIGNAL pSignal
)
{
if (pSignal) {
init_completion(&pSignal->comp);
return 0;
}
else {
return -1;
}
}
_osal_inline_ int
osal_wait_for_signal (
P_OSAL_SIGNAL pSignal
)
{
if (pSignal) {
wait_for_completion_interruptible(&pSignal->comp);
return 0;
}
else {
return -1;
}
}
_osal_inline_ int
osal_wait_for_signal_timeout (
P_OSAL_SIGNAL pSignal
)
{
/* return wait_for_completion_interruptible_timeout(&pSignal->comp, msecs_to_jiffies(pSignal->timeoutValue));*/
/* [ChangeFeature][George] gps driver may be closed by -ERESTARTSYS.
* Avoid using *interruptible" version in order to complete our jobs, such
* as function off gracefully.
*/
return wait_for_completion_timeout(&pSignal->comp, msecs_to_jiffies(pSignal->timeoutValue));
}
_osal_inline_ int
osal_raise_signal (
P_OSAL_SIGNAL pSignal
)
{
// TODO:[FixMe][GeorgeKuo]: DO sanity check here!!!
complete(&pSignal->comp);
return 0;
}
_osal_inline_ int
osal_signal_deinit (
P_OSAL_SIGNAL pSignal
)
{
// TODO:[FixMe][GeorgeKuo]: DO sanity check here!!!
pSignal->timeoutValue = 0;
return 0;
}
/*
*OSAL layer Event Opeartion releated APIs
*initialization
*wait for signal
*wait for signal timerout
*raise signal
*destroy a signal
*
*/
int osal_event_init (
P_OSAL_EVENT pEvent
)
{
init_waitqueue_head(&pEvent->waitQueue);
return 0;
}
int osal_wait_for_event(
P_OSAL_EVENT pEvent,
int (*condition)(PVOID),
void *cond_pa
)
{
return wait_event_interruptible(pEvent->waitQueue, condition(cond_pa));
}
int osal_wait_for_event_timeout(
P_OSAL_EVENT pEvent,
int (*condition)(PVOID),
void *cond_pa
)
{
return wait_event_interruptible_timeout(pEvent->waitQueue, condition(cond_pa), msecs_to_jiffies(pEvent->timeoutValue));
}
int osal_trigger_event(
P_OSAL_EVENT pEvent
)
{
int ret = 0;
wake_up_interruptible(&pEvent->waitQueue);
return ret;
}
int
osal_event_deinit (
P_OSAL_EVENT pEvent
)
{
return 0;
}
int osal_op_is_wait_for_signal(P_OSAL_OP pOp)
{
return (pOp && pOp->signal.timeoutValue) ? 1 : 0;
}
void osal_op_raise_signal(P_OSAL_OP pOp, int result)
{
if (pOp)
{
pOp->result = result;
osal_raise_signal(&pOp->signal);
}
}
static int _rtbth_us_handler(RTBTH_ADAPTER *pAd, P_STP_OP pStpOp)
{
int ret = -1;
RTBTH_EVENT_T evt = 0;
static int in=0;
if (NULL == pStpOp){
return -1;
}
switch(pStpOp->opId) {
case BZ_HCI_EVENT:
case BZ_ACL_EVENT:
case BZ_SCO_EVENT:
case INT_RX_EVENT:
case INT_TX_EVENT:
case INT_MCUCMD_EVENT:
case INT_MCUEVT_EVENT:
case INT_LMPTMR_EVENT:
case INT_LMPERR_EVENT:
case RTBTH_TEST_EVENT:
DebugPrint(TRACE, DBG_INIT,"Event =%d, jiffies = %d, evt_fifo_len = %d, in=%d\n",
pStpOp->opId, jiffies, kfifo_len(pAd->evt_fifo), ++in);
if(kfifo_avail(pAd->evt_fifo) >= sizeof(RTBTH_EVENT_T)){
evt = pStpOp->opId;
kfifo_in(pAd->evt_fifo, &evt , sizeof(RTBTH_EVENT_T));
// if(kfifo_len(pAd->evt_fifo) == sizeof(RTBTH_EVENT_T)){
// if(kfifo_len(pAd->evt_fifo) > 0){
evt_wq_flag = 1;
wake_up_interruptible(&evt_wq);
// }
ret = 0;
} else {
DebugPrint(TRACE, DBG_INIT,"evt_fifo size is not available!\n");
ret = -1;
}
break;
case INIT_COREINIT_EVENT:
case INIT_COREDEINIT_EVENT:
case INIT_CORESTART_EVENT:
case INIT_CORESTOP_EVENT:
case INIT_EPINIT_EVENT:
DebugPrint(LOUD, DBG_INIT,"Event =%d, jiffies = %d, evt_fifo_len = %d, in=%d\n",
pStpOp->opId, jiffies, kfifo_len(pAd->evt_fifo), ++in);
if(kfifo_avail(pAd->evt_fifo) >= sizeof(RTBTH_EVENT_T)){
evt = pStpOp->opId;
kfifo_in(pAd->evt_fifo, &evt , sizeof(RTBTH_EVENT_T));
// if(kfifo_len(pAd->evt_fifo) == sizeof(RTBTH_EVENT_T)){
// if(kfifo_len(pAd->evt_fifo) > 0){
evt_wq_flag = 1;
wake_up_interruptible(&evt_wq);
// }
ret = 0;
} else {
DebugPrint(TRACE, DBG_INIT,"evt_fifo size is not available!\n");
ret = -1;
}
DebugPrint(TRACE, DBG_INIT,"wait for the event complete\n");
// msleep(1000);
sync_wq_flag = 0;
ret = wait_event_interruptible_timeout(sync_wq, sync_wq_flag != 0, HZ);
if(!ret)
DebugPrint(TRACE, DBG_INIT,"wait for sync timeout\n");
break;
case RTBTH_EXIT:
ret = 0;
break;
default:
DebugPrint(TRACE, DBG_INIT,"invalid operation id (%d)\n", pStpOp->opId);
ret = -1;
break;
}
return ret;
}
static P_OSAL_OP _rtbth_us_get_op (
RTBTH_ADAPTER *pAd,
P_OSAL_OP_Q pOpQ
)
{
P_OSAL_OP pOp;
if (!pOpQ)
{
DebugPrint(TRACE, DBG_INIT,"pOpQ == NULL\n");
return NULL;
}
osal_lock_unsleepable_lock(&(pAd->wq_spinlock));
/* acquire lock success */
RB_GET(pOpQ, pOp);
osal_unlock_unsleepable_lock(&(pAd->wq_spinlock));
if (!pOp)
{
DebugPrint(TRACE, DBG_INIT,"RB_GET fail\n");
}
return pOp;
}
static int _rtbth_us_put_op (RTBTH_ADAPTER *pAd, P_OSAL_OP_Q pOpQ, P_OSAL_OP pOp){
int ret;
if (!pOpQ || !pOp){
DebugPrint(TRACE, DBG_INIT,"pOpQ = 0x%p, pLxOp = 0x%p \n", pOpQ, pOp);
return 0;
}
ret = 0;
osal_lock_unsleepable_lock(&(pAd->wq_spinlock));
if (!RB_FULL(pOpQ)){
RB_PUT(pOpQ, pOp);
} else {
ret = -1;
}
osal_unlock_unsleepable_lock(&(pAd->wq_spinlock));
if (ret){
DebugPrint(TRACE, DBG_INIT,"RB_FULL, RB_COUNT=%d , RB_SIZE=%d\n",RB_COUNT(pOpQ), RB_SIZE(pOpQ));
return 0;
} else {
return 1;
}
}
P_OSAL_OP _rtbth_us_get_free_op (RTBTH_ADAPTER *pAd){
P_OSAL_OP pOp;
if (pAd){
pOp = _rtbth_us_get_op(pAd, &pAd->rFreeOpQ);
if (pOp){
memset(&pOp->op, 0, sizeof(pOp->op));
}
return pOp;
} else {
return NULL;
}
}
int _rtbth_us_put_act_op (RTBTH_ADAPTER *pAd, P_OSAL_OP pOp)
{
int bRet = 0;//MTK_WCN_BOOL_FALSE;
int bCleanup = 0;//MTK_WCN_BOOL_FALSE;
int wait_ret = -1;
P_OSAL_SIGNAL pSignal = NULL;
do {
if (!pAd || !pOp) {
DebugPrint(ERROR, DBG_INIT,"pAd = %p, pOp = %p\n", pAd, pOp);
break;
}
pSignal = &pOp->signal;
if (pSignal->timeoutValue){
pOp->result = -9;
osal_signal_init(&pOp->signal);
}
/* put to active Q */
bRet = _rtbth_us_put_op(pAd, &pAd->rActiveOpQ, pOp);
if(0 == bRet){
DebugPrint(TRACE, DBG_INIT,"+++++++++++ Put op Active queue Fail\n");
bCleanup = 1;//MTK_WCN_BOOL_TRUE;
break;
}
/* wake up wmtd */
osal_trigger_event(&pAd->STPd_event);
if (pSignal->timeoutValue == 0) {
bRet = 1;//MTK_WCN_BOOL_TRUE;
/* clean it in wmtd */
break;
}
/* wait result, clean it here */
bCleanup = 1;//MTK_WCN_BOOL_TRUE;
/* check result */
wait_ret = osal_wait_for_signal_timeout(&pOp->signal);
DebugPrint(TRACE, DBG_INIT,"wait completion:%d\n", wait_ret);
if (!wait_ret){
DebugPrint(TRACE, DBG_INIT,"wait completion timeout \n");
// TODO: how to handle it? retry?
} else {
if (pOp->result)
{
DebugPrint(TRACE, DBG_INIT,"op(%d) result:%d\n", pOp->op.opId, pOp->result);
}
/* op completes, check result */
bRet = (pOp->result) ? 0 : 1;
}
} while(0);
if (bCleanup) {
/* put Op back to freeQ */
bRet = _rtbth_us_put_op(pAd, &pAd->rFreeOpQ, pOp);
if(bRet == 0){
DebugPrint(TRACE, DBG_INIT,"+++++++++++ Put op active free fail, maybe disable/enable psm\n");
}
}
return bRet;
}
static int _rtbth_us_wait_for_evt(void *pvData)
{
RTBTH_ADAPTER *pAd = (RTBTH_ADAPTER *)pvData;
DebugPrint(LOUD, DBG_INIT,"%s: pAd->rActiveOpQ = %d\n", __func__, RB_COUNT(&pAd->rActiveOpQ));
return ((!RB_EMPTY(&pAd->rActiveOpQ)) || osal_thread_should_stop(&pAd->PSMd));
}
INT32 _rtbth_us_event_notification(RTBTH_ADAPTER *pAd, RTBTH_EVENT_T evt)
{
P_OSAL_OP pOp;
int bRet;
int retval;
if(!pAd){
return -1;
}
pOp = _rtbth_us_get_free_op(pAd);
if (!pOp)
{
DebugPrint(ERROR, DBG_INIT,"get_free_lxop fail \n");
return -1;
}
pOp->op.opId = (unsigned int) evt;
pOp->signal.timeoutValue = 0;
bRet = _rtbth_us_put_act_op(pAd, pOp);
DebugPrint(LOUD, DBG_INIT,"OPID(%d) type(%d) bRet(%d) \n\n",
pOp->op.opId,
pOp->op.au4OpData[0],
bRet);
retval = (0 == bRet) ? (-1) : 0;
return retval;
}
static int _rtbth_us_proc (void *pvData)
{
RTBTH_ADAPTER *pAd = (RTBTH_ADAPTER *)pvData;
P_OSAL_OP pOp;
unsigned int id;
int ret;
if (!pAd) {
DebugPrint(TRACE, DBG_INIT,"!pAd\n");
return -1;
}
DebugPrint(TRACE, DBG_INIT,"rtbth_us starts running: pWmtDev(0x%p) [pol, rt_pri, n_pri, pri]=[%d, %d, %d, %d] \n",
pAd, current->policy, current->rt_priority, current->normal_prio, current->prio);
for (;;) {
pOp = NULL;
osal_wait_for_event(&pAd->STPd_event,
_rtbth_us_wait_for_evt,
(void *)pAd);
if (osal_thread_should_stop(&pAd->PSMd))
{
DebugPrint(TRACE, DBG_INIT,"should stop now... \n");
// TODO: clean up active opQ
break;
}
/* get Op from activeQ */
pOp = _rtbth_us_get_op(pAd, &pAd->rActiveOpQ);
if (!pOp)
{
DebugPrint(TRACE, DBG_INIT,"+++++++++++ Get op from activeQ fail, maybe disable/enable psm\n");
continue;
}
id = osal_op_get_id(pOp);
if (id >= RTBTH_EVENT_NUM)
{
DebugPrint(TRACE, DBG_INIT,"abnormal opid id: 0x%x \n", id);
ret = -1;
goto handler_done;
}
ret = _rtbth_us_handler(pAd, &pOp->op);
handler_done:
if (ret)
{
// DebugPrint(TRACE, DBG_INIT,"opid id(0x%x)(%s) error(%d)\n", id, (id >= 4)?("???"):(g_psm_op_name[id]), ret);
}
if (osal_op_is_wait_for_signal(pOp))
{
osal_op_raise_signal(pOp, ret);
}
else
{
/* put Op back to freeQ */
if(_rtbth_us_put_op(pAd, &pAd->rFreeOpQ, pOp) == 0)
{
DebugPrint(TRACE, DBG_INIT,"+++++++++++ Put op to FreeOpQ fail, maybe disable/enable psm\n");
}
}
if (RTBTH_EXIT == id)
{
break;
}
}
DebugPrint(TRACE, DBG_INIT,"exits \n");
return 0;
};
static atomic_t rtbth_us_avail = ATOMIC_INIT(1);
static int rtbth_us_open(struct inode *inode, struct file *file){
if(!capable(CAP_SYS_ADMIN))
return -EPERM;
if(!atomic_dec_and_test(&rtbth_us_avail)){
atomic_inc(&rtbth_us_avail);
DebugPrint(WARNING, DBG_INIT,"rtbth occupied: rtbth_us_avail=%d\n",
atomic_read(&rtbth_us_avail)
);
return -EBUSY;
}
DebugPrint(TRACE, DBG_INIT,"%s: major %d minor %d (pid %d)\n", __func__,
imajor(inode),
iminor(inode),
current->pid
);
bind_wq_flag = 1;
#if 0
/* Init the host protocol stack hooking interface */
if (rtbt_hps_iface_init(RAL_INF_PCI, gpAd->os_ctrl->if_dev , gpAd->os_ctrl)){
DebugPrint(ERROR, DBG_INIT,"rtbt_hps_iface_init fail\n");
} else {
DebugPrint(ERROR, DBG_INIT,"rtbt_hps_iface_init ok\n");
}
#endif
/* Link the host protocol stack interface to the protocl stack */
if (rtbt_hps_iface_attach(gpAd->os_ctrl)){
DebugPrint(ERROR, DBG_INIT,"rtbt_hps_iface_attach fail\n");
} else {
DebugPrint(ERROR, DBG_INIT,"rtbt_hps_iface_attach ok\n");
}
return 0;
}
static int rtbth_us_close(struct inode *inode, struct file *file){
if(!capable(CAP_SYS_ADMIN))
return -EPERM;
atomic_inc(&rtbth_us_avail);
DebugPrint(TRACE, DBG_INIT,"%s: major %d minor %d (pid %d)\n", __func__,
imajor(inode),
iminor(inode),
current->pid
);
bind_wq_flag = 0;
if(rtbt_hps_iface_detach(gpAd->os_ctrl)){
DebugPrint(ERROR, DBG_INIT,"rtbt_hps_iface_detach fail\n");
} else {
DebugPrint(ERROR, DBG_INIT,"rtbt_hps_iface_detach ok\n");
}
#if 0
if(rtbt_hps_iface_deinit(RAL_INF_PCI, gpAd->os_ctrl->if_dev, gpAd->os_ctrl)){
DebugPrint(ERROR, DBG_INIT,"rtbt_hps_iface_deinit fail\n");
} else {
DebugPrint(ERROR, DBG_INIT,"rtbt_hps_iface_deinit ok\n");
}
#endif
return 0;
}
#if 1
ssize_t rtbth_us_read(struct file *filp, char __user *buf, size_t count, loff_t *f_pos){
ssize_t retval = 0;
RTBTH_EVENT_T evt = 0;
int wait_ret = 0;
// down(&rd_mtx);
if(!capable(CAP_SYS_ADMIN))
return -EPERM;
while(1){
if(kfifo_len(gpAd->evt_fifo) > 0){
kfifo_out(gpAd->evt_fifo, &evt, sizeof(RTBTH_EVENT_T));
DebugPrint(TRACE, DBG_INIT,"%s: event fifo len = %d\n", __func__, kfifo_len(gpAd->evt_fifo));
break;
} else {
if(pollm){
retval = -EAGAIN;
break;
} else {
DebugPrint(TRACE, DBG_INIT,"%s: wait for the event, pending on kernel space\n", __func__);
wait_ret = wait_event_interruptible_timeout(evt_wq, evt_wq_flag != 0, HZ);
if (wait_ret) {
if (-ERESTARTSYS == wait_ret) {
DebugPrint(TRACE, DBG_INIT,"%s: signaled by -ERESTARTSYS(%ld) \n ", __func__, wait_ret);
return -EAGAIN;
}
else {
DebugPrint(TRACE, DBG_INIT,"%s: signaled by %ld \n ", __func__, wait_ret);
}
} else {
DebugPrint(INFO, DBG_INIT,"%s: wait timeout %d\n ", __func__, wait_ret);
retval = -EFAULT;
goto out;
}
evt_wq_flag = 0;
DebugPrint(TRACE, DBG_INIT,"%s: receive the event, return to user space\n", __func__);
}
}
}
if(retval == -EAGAIN)
goto out;
if (copy_to_user(buf, &evt, sizeof(evt)))
{
retval = -EFAULT;
goto out;
}
retval = sizeof(RTBTH_EVENT_T);
out:
// up(&rd_mtx);
return retval;
}
#else
ssize_t rtbth_us_read(struct file *filp, char __user *buf, size_t count, loff_t *f_pos){
ssize_t retval = 0;
RTBTH_EVENT_T evt = 0;
int wait_ret = 0;
static int entries = 0;
static int out=0;
entries = 0;
if(!capable(CAP_SYS_ADMIN))
return -EPERM;
while(1){
if(kfifo_len(gpAd->evt_fifo) > 0){
kfifo_out(gpAd->evt_fifo, &evt, sizeof(RTBTH_EVENT_T));
DebugPrint(TRACE, DBG_INIT,"%s: remaining event fifo len = %d, out=%d\n", __func__, kfifo_len(gpAd->evt_fifo), ++out);
break;
} else {
DebugPrint(TRACE, DBG_INIT,"%s: wait for the event, pending on kernel space, %d, kfifo_len(evt)=%d\n",
__func__, entries++, kfifo_len(gpAd->evt_fifo));
// wait_ret = wait_event_interruptible(evt_wq, evt_wq_flag != 0);
wait_ret = wait_event_interruptible_timeout(evt_wq, evt_wq_flag != 0, HZ);
DebugPrint(INFO, DBG_INIT,"%s: wait event returned value %d\n ", __func__, wait_ret);
evt_wq_flag = 0;
if (wait_ret) {
if (-ERESTARTSYS == wait_ret) {
DebugPrint(TRACE, DBG_INIT,"%s: signaled by -ERESTARTSYS(%ld) \n ", __func__, wait_ret);
return -EFAULT;
}
else {
DebugPrint(TRACE, DBG_INIT,"%s: signaled by %ld \n ", __func__, wait_ret);
}
} else {
DebugPrint(INFO, DBG_INIT,"%s: wait timeout %d\n ", __func__, wait_ret);
retval = -EFAULT;
goto out;
}
}
}
if (copy_to_user(buf, &evt, sizeof(RTBTH_EVENT_T)))
{
retval = -EFAULT;
goto out;
}
DebugPrint(TRACE, DBG_INIT,"return type=%d, return to user space\n", evt);
retval = sizeof(RTBTH_EVENT_T);
out:
return retval;
}
#endif
ssize_t rtbth_us_write(struct file *filp, const char __user *buf, size_t count, loff_t *f_pos){
if(!capable(CAP_SYS_ADMIN))
return -EPERM;
return 0;
}
#if 0
#define RTBTH_US_IOC_MAGIC 'k'
#define RTBTH_IOCPCI32WRITE _IOWR(RTBTH_US_IOC_MAGIC, 1, int)
#define RTBTH_IOCPCI32READ _IOWR(RTBTH_US_IOC_MAGIC, 2, int)
#define RTBTH_IOCMCUWRITE _IOWR(RTBTH_US_IOC_MAGIC, 3, int)
#define RTBTH_IOCMCUREAD _IOWR(RTBTH_US_IOC_MAGIC, 4, int)
#define RTBTH_IOCBBWRITE _IOWR(RTBTH_US_IOC_MAGIC, 5, int)
#define RTBTH_IOCBBREAD _IOWR(RTBTH_US_IOC_MAGIC, 6, int)
#define RTBTH_IOCRFWRITE _IOWR(RTBTH_US_IOC_MAGIC, 7, int)
#define RTBTH_IOCRFREAD _IOWR(RTBTH_US_IOC_MAGIC, 8, int)
#define RTBTH_IOCBZWRITE _IOWR(RTBTH_US_IOC_MAGIC, 9, int)
#define RTBTH_IOCBZREAD _IOWR(RTBTH_US_IOC_MAGIC,10, int)
#define RTBTH_IOCTRCTRL _IOWR(RTBTH_US_IOC_MAGIC,11, int)
#define RTBTH_IOCSYNC _IOWR(RTBTH_US_IOC_MAGIC,12, int)
#define RTBTH_IOCTST _IOWR(RTBTH_US_IOC_MAGIC,13, int)
#define RTBTH_IOCRMODE _IOWR(RTBTH_US_IOC_MAGIC,14, int)
#define RTBTH_IOC_MAXNR 15
#endif
VOID
MCU_Read_Memory(
IN PRTBTH_ADAPTER pAd,
IN UINT32 Address,
OUT PUINT8 pBuffer,
IN UINT16 Length)
{
INT32 i, j, k;
UINT32 Val = 0;
// Only read shared memory at the word boundary
RTBT_ASSERT((Address % 4) == 0);
i = Length / 4;
k = Length % 4;
for (j = 0; j < i; j++)
{
RT_IO_READ32(pAd, Address+(j*4), &Val);
pBuffer[j*4] = (UINT8)Val;
pBuffer[j*4+1] = (UINT8)(Val >> 8);
pBuffer[j*4+2] = (UINT8)(Val >> 16);
pBuffer[j*4+3] = (UINT8)(Val >> 24);
}
if (k > 0)
{
RT_IO_READ32(pAd, Address+(i*4), &Val);
for (j = 0; j < k; j++)
{
pBuffer[(i*4)+j] = (UINT8)(Val >> (8 * j));
}
}
}
VOID
MCU_Write_Memory(
IN PRTBTH_ADAPTER pAd,
IN UINT32 Address,
IN PUINT8 pBuffer,
IN UINT16 Length)
{
INT32 i, j, k;
UINT32 Val;
//DBGPRINT(DBG_NIC_TRACE,( "RtbtWriteMcuMemory: Addr=0x%0x4, Len=%d\n", Address, Length));
// Only write shared memory at the word boundary
RTBT_ASSERT((Address % 4) == 0);
i = Length / 4;
k = Length % 4;
for (j = 0; j < i; j++)
{
Val = ( (UINT32)pBuffer[j*4])
| (((UINT32)pBuffer[(j*4)+1]) << 8)
| (((UINT32)pBuffer[(j*4)+2]) << 16)
| (((UINT32)pBuffer[(j*4)+3]) << 24);
RT_IO_WRITE32(pAd, Address+(j*4), Val);
}
if (k > 0)
{
RT_IO_READ32(pAd, Address+(i*4), &Val);
for (j = 0; j < k; j++)
{
Val &= ~(0xff << (8 * j));
Val += ((UINT32)pBuffer[(i*4)+j]) << (8 * j);
}
RT_IO_WRITE32(pAd, Address+(i*4), Val);
}
}
VOID
PDMA_Transmit_TxRing(
IN PRTBTH_ADAPTER pAd,
IN UINT8 LLIdx,
IN UINT8 RingIdx,
IN UINT8 PktType,
IN UINT8 Llid,
IN UINT8 PFlow,
IN UINT16 Tag,
IN PUINT8 pPacket,
IN UINT16 Length,
IN BOOLEAN AutoFlushable,
IN UINT8 PktSeq,
IN UINT8 ChSel,
IN UINT8 CodeType)
{
PUCHAR pData;
ULONG TxCpuIdx;
PTXD_STRUC pTxD;
PTXBI_STRUC pTxBI;
PRT_TX_RING pTxRing;
NATIVE_BT_CLK_STRUC NativeBtClk;
UINT8 TxRingSize = BthGetTxRingSize(pAd, RingIdx);
NativeBtClk.word = 0;