static void dsp3780I_WriteGenCfg(unsigned short usDspBaseIO, unsigned uIndex,
unsigned char ucValue)
{
DSP_ISA_SLAVE_CONTROL rSlaveControl;
DSP_ISA_SLAVE_CONTROL rSlaveControl_Save;
PRINTK_4(TRACE_3780I,
"3780i::dsp3780i_WriteGenCfg entry usDspBaseIO %x uIndex %x ucValue %x\n",
usDspBaseIO, uIndex, ucValue);
MKBYTE(rSlaveControl) = InByteDsp(DSP_IsaSlaveControl);
PRINTK_2(TRACE_3780I,
"3780i::dsp3780i_WriteGenCfg rSlaveControl %x\n",
MKBYTE(rSlaveControl));
rSlaveControl_Save = rSlaveControl;
rSlaveControl.ConfigMode = TRUE;
PRINTK_2(TRACE_3780I,
"3780i::dsp3780i_WriteGenCfg entry rSlaveControl+ConfigMode %x\n",
MKBYTE(rSlaveControl));
OutByteDsp(DSP_IsaSlaveControl, MKBYTE(rSlaveControl));
OutByteDsp(DSP_ConfigAddress, (unsigned char) uIndex);
OutByteDsp(DSP_ConfigData, ucValue);
OutByteDsp(DSP_IsaSlaveControl, MKBYTE(rSlaveControl_Save));
PRINTK_1(TRACE_3780I, "3780i::dsp3780i_WriteGenCfg exit\n");
}
int tp3780I_ClaimResources(THINKPAD_BD_DATA * pBDData)
{
int retval = 0;
DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
struct resource *pres;
#endif
PRINTK_2(TRACE_TP3780I,
"tp3780i::tp3780I_ClaimResources entry pBDData %p\n", pBDData);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
pres = request_region(pSettings->usDspBaseIO, 16, "mwave_3780i");
if ( pres == NULL ) retval = -EIO;
#else
retval = check_region(pSettings->usDspBaseIO, 16);
if (!retval) request_region(pSettings->usDspBaseIO, 16, "mwave_3780i");
#endif
if (retval) {
PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_ClaimResources: Error: Could not claim I/O region starting at %x\n", pSettings->usDspBaseIO);
retval = -EIO;
}
PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ClaimResources exit retval %x\n", retval);
return retval;
}
static irqreturn_t DspInterrupt(int irq, void *dev_id)
{
pMWAVE_DEVICE_DATA pDrvData = &mwave_s_mdd;
DSP_3780I_CONFIG_SETTINGS *pSettings = &pDrvData->rBDData.rDspSettings;
unsigned short usDspBaseIO = pSettings->usDspBaseIO;
unsigned short usIPCSource = 0, usIsolationMask, usPCNum;
PRINTK_3(TRACE_TP3780I,
"tp3780i::DspInterrupt entry irq %x dev_id %p\n", irq, dev_id);
if (dsp3780I_GetIPCSource(usDspBaseIO, &usIPCSource) == 0) {
PRINTK_2(TRACE_TP3780I,
"tp3780i::DspInterrupt, return from dsp3780i_GetIPCSource, usIPCSource %x\n",
usIPCSource);
usIsolationMask = 1;
for (usPCNum = 1; usPCNum <= 16; usPCNum++) {
if (usIPCSource & usIsolationMask) {
usIPCSource &= ~usIsolationMask;
PRINTK_3(TRACE_TP3780I,
"tp3780i::DspInterrupt usPCNum %x usIPCSource %x\n",
usPCNum, usIPCSource);
if (pDrvData->IPCs[usPCNum - 1].usIntCount == 0) {
pDrvData->IPCs[usPCNum - 1].usIntCount = 1;
}
PRINTK_2(TRACE_TP3780I,
"tp3780i::DspInterrupt usIntCount %x\n",
pDrvData->IPCs[usPCNum - 1].usIntCount);
if (pDrvData->IPCs[usPCNum - 1].bIsEnabled == TRUE) {
PRINTK_2(TRACE_TP3780I,
"tp3780i::DspInterrupt, waking up usPCNum %x\n",
usPCNum - 1);
wake_up_interruptible(&pDrvData->IPCs[usPCNum - 1].ipc_wait_queue);
} else {
PRINTK_2(TRACE_TP3780I,
"tp3780i::DspInterrupt, no one waiting for IPC %x\n",
usPCNum - 1);
}
}
if (usIPCSource == 0)
break;
/* */
usIsolationMask = usIsolationMask << 1;
}
} else {
PRINTK_1(TRACE_TP3780I,
"tp3780i::DspInterrupt, return false from dsp3780i_GetIPCSource\n");
}
PRINTK_1(TRACE_TP3780I, "tp3780i::DspInterrupt exit\n");
return IRQ_HANDLED;
}
unsigned char dsp3780I_ReadGenCfg(unsigned short usDspBaseIO,
unsigned uIndex)
{
DSP_ISA_SLAVE_CONTROL rSlaveControl;
DSP_ISA_SLAVE_CONTROL rSlaveControl_Save;
unsigned char ucValue;
PRINTK_3(TRACE_3780I,
"3780i::dsp3780i_ReadGenCfg entry usDspBaseIO %x uIndex %x\n",
usDspBaseIO, uIndex);
MKBYTE(rSlaveControl) = InByteDsp(DSP_IsaSlaveControl);
rSlaveControl_Save = rSlaveControl;
rSlaveControl.ConfigMode = TRUE;
OutByteDsp(DSP_IsaSlaveControl, MKBYTE(rSlaveControl));
OutByteDsp(DSP_ConfigAddress, (unsigned char) uIndex);
ucValue = InByteDsp(DSP_ConfigData);
OutByteDsp(DSP_IsaSlaveControl, MKBYTE(rSlaveControl_Save));
PRINTK_2(TRACE_3780I,
"3780i::dsp3780i_ReadGenCfg exit ucValue %x\n", ucValue);
return ucValue;
}
int tp3780I_QueryAbilities(THINKPAD_BD_DATA * pBDData, MW_ABILITIES * pAbilities)
{
int retval = 0;
PRINTK_2(TRACE_TP3780I,
"tp3780i::tp3780I_QueryAbilities entry pBDData %p\n", pBDData);
/* */
pAbilities->instr_per_sec = pBDData->rDspSettings.uIps;
pAbilities->data_size = pBDData->rDspSettings.uDStoreSize;
pAbilities->inst_size = pBDData->rDspSettings.uIStoreSize;
pAbilities->bus_dma_bw = pBDData->rDspSettings.uDmaBandwidth;
/* */
pAbilities->component_list[0] = 0x00010000 | MW_ADC_MASK;
pAbilities->component_list[1] = 0x00010000 | MW_ACI_MASK;
pAbilities->component_list[2] = 0x00010000 | MW_AIC1_MASK;
pAbilities->component_list[3] = 0x00010000 | MW_AIC2_MASK;
pAbilities->component_list[4] = 0x00010000 | MW_CDDAC_MASK;
pAbilities->component_list[5] = 0x00010000 | MW_MIDI_MASK;
pAbilities->component_list[6] = 0x00010000 | MW_UART_MASK;
pAbilities->component_count = 7;
/* */
memcpy(pAbilities->mwave_os_name, TP_ABILITIES_MWAVEOS_NAME,
sizeof(TP_ABILITIES_MWAVEOS_NAME));
memcpy(pAbilities->bios_task_name, TP_ABILITIES_BIOSTASK_NAME,
sizeof(TP_ABILITIES_BIOSTASK_NAME));
PRINTK_1(TRACE_TP3780I,
"tp3780i::tp3780I_QueryAbilities exit retval=SUCCESSFUL\n");
return retval;
}
int tp3780I_ReadWriteDspIStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode,
void __user *pvBuffer, unsigned int uCount,
unsigned long ulDSPAddr)
{
int retval = 0;
DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
unsigned short usDspBaseIO = pSettings->usDspBaseIO;
BOOLEAN bRC = 0;
PRINTK_6(TRACE_TP3780I,
"tp3780i::tp3780I_ReadWriteDspIStore entry pBDData %p, uOpcode %x, pvBuffer %p, uCount %x, ulDSPAddr %lx\n",
pBDData, uOpcode, pvBuffer, uCount, ulDSPAddr);
if (pBDData->bDSPEnabled) {
switch (uOpcode) {
case IOCTL_MW_READ_INST:
bRC = dsp3780I_ReadIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
break;
case IOCTL_MW_WRITE_INST:
bRC = dsp3780I_WriteIStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr);
break;
}
}
retval = (bRC) ? -EIO : 0;
PRINTK_2(TRACE_TP3780I,
"tp3780i::tp3780I_ReadWriteDspIStore exit retval %x\n", retval);
return retval;
}
int tp3780I_StartDSP(THINKPAD_BD_DATA * pBDData)
{
int retval = 0;
DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_StartDSP entry pBDData %p\n", pBDData);
if (dsp3780I_Run(pSettings) == 0) {
//
} else {
retval = -EIO;
}
PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_StartDSP exit retval %x\n", retval);
return retval;
}
int tp3780I_Cleanup(THINKPAD_BD_DATA * pBDData)
{
int retval = 0;
PRINTK_2(TRACE_TP3780I,
"tp3780i::tp3780I_Cleanup entry and exit pBDData %p\n", pBDData);
return retval;
}
int dsp3780I_Reset(DSP_3780I_CONFIG_SETTINGS * pSettings)
{
unsigned long flags;
unsigned short usDspBaseIO = pSettings->usDspBaseIO;
DSP_BOOT_DOMAIN rBootDomain;
DSP_HBRIDGE_CONTROL rHBridgeControl;
PRINTK_1(TRACE_3780I, "3780i::dsp3780i_Reset entry\n");
spin_lock_irqsave(&dsp_lock, flags);
/* Mask DSP to PC interrupt */
MKWORD(rHBridgeControl) = InWordDsp(DSP_HBridgeControl);
PRINTK_2(TRACE_3780I, "3780i::dsp3780i_Reset rHBridgeControl %x\n",
MKWORD(rHBridgeControl));
rHBridgeControl.EnableDspInt = FALSE;
OutWordDsp(DSP_HBridgeControl, MKWORD(rHBridgeControl));
spin_unlock_irqrestore(&dsp_lock, flags);
/* Reset the core via the boot domain register */
rBootDomain.ResetCore = TRUE;
rBootDomain.Halt = TRUE;
rBootDomain.NMI = TRUE;
rBootDomain.Reserved = 0;
PRINTK_2(TRACE_3780I, "3780i::dsp3780i_Reset rBootDomain %x\n",
MKWORD(rBootDomain));
WriteMsaCfg(DSP_MspBootDomain, MKWORD(rBootDomain));
/* Reset all the chiplets and then reactivate them */
WriteMsaCfg(DSP_ChipReset, 0xFFFF);
udelay(5);
WriteMsaCfg(DSP_ChipReset,
(unsigned short) (~pSettings->usChipletEnable));
PRINTK_1(TRACE_3780I, "3780i::dsp3780i_Reset exit bRC=0\n");
return 0;
}
int tp3780I_ReleaseResources(THINKPAD_BD_DATA * pBDData)
{
int retval = 0;
DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
PRINTK_2(TRACE_TP3780I,
"tp3780i::tp3780I_ReleaseResources entry pBDData %p\n", pBDData);
release_region(pSettings->usDspBaseIO & (~3), 16);
if (pSettings->bInterruptClaimed) {
free_irq(pSettings->usDspIrq, NULL);
pSettings->bInterruptClaimed = FALSE;
}
PRINTK_2(TRACE_TP3780I,
"tp3780i::tp3780I_ReleaseResources exit retval %x\n", retval);
return retval;
}
static int mwave_open(struct inode *inode, struct file *file)
{
unsigned int retval = 0;
PRINTK_3(TRACE_MWAVE,
"mwavedd::mwave_open, entry inode %p file %p\n",
inode, file);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_open, exit return retval %x\n", retval);
return retval;
}
int tp3780I_DisableDSP(THINKPAD_BD_DATA * pBDData)
{
int retval = 0;
DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP entry pBDData %p\n", pBDData);
if (pBDData->bDSPEnabled) {
dsp3780I_DisableDSP(&pBDData->rDspSettings);
if (pSettings->bInterruptClaimed) {
free_irq(pSettings->usDspIrq, NULL);
pSettings->bInterruptClaimed = FALSE;
}
smapi_set_DSP_power_state(FALSE);
pBDData->bDSPEnabled = FALSE;
}
PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP exit retval %x\n", retval);
return retval;
}
static int mwave_open(struct inode *inode, struct file *file)
{
unsigned int retval = 0;
PRINTK_3(TRACE_MWAVE,
"mwavedd::mwave_open, entry inode %x file %x\n",
(int) inode, (int) file);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_open, exit return retval %x\n", retval);
MOD_INC_USE_COUNT;
return retval;
}
int tp3780I_InitializeBoardData(THINKPAD_BD_DATA * pBDData)
{
int retval = 0;
DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_InitializeBoardData entry pBDData %p\n", pBDData);
pBDData->bDSPEnabled = FALSE;
pSettings->bInterruptClaimed = FALSE;
retval = smapi_init();
if (retval) {
PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_InitializeBoardData: Error: SMAPI is not available on this machine\n");
} else {
if (mwave_3780i_irq || mwave_3780i_io || mwave_uart_irq || mwave_uart_io) {
retval = smapi_set_DSP_cfg();
}
}
PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_InitializeBoardData exit retval %x\n", retval);
return retval;
}
int tp3780I_CalcResources(THINKPAD_BD_DATA * pBDData)
{
SMAPI_DSP_SETTINGS rSmapiInfo;
DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
PRINTK_2(TRACE_TP3780I,
"tp3780i::tp3780I_CalcResources entry pBDData %p\n", pBDData);
if (smapi_query_DSP_cfg(&rSmapiInfo)) {
PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Could not query DSP config. Aborting.\n");
return -EIO;
}
/* */
if (
( rSmapiInfo.usDspIRQ == 0 )
|| ( rSmapiInfo.usDspBaseIO == 0 )
|| ( rSmapiInfo.usUartIRQ == 0 )
|| ( rSmapiInfo.usUartBaseIO == 0 )
) {
PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_CalcResources: Error: Illegal resource setting. Aborting.\n");
return -EIO;
}
pSettings->bDSPEnabled = (rSmapiInfo.bDSPEnabled && rSmapiInfo.bDSPPresent);
pSettings->bModemEnabled = rSmapiInfo.bModemEnabled;
pSettings->usDspIrq = rSmapiInfo.usDspIRQ;
pSettings->usDspDma = rSmapiInfo.usDspDMA;
pSettings->usDspBaseIO = rSmapiInfo.usDspBaseIO;
pSettings->usUartIrq = rSmapiInfo.usUartIRQ;
pSettings->usUartBaseIO = rSmapiInfo.usUartBaseIO;
pSettings->uDStoreSize = TP_ABILITIES_DATA_SIZE;
pSettings->uIStoreSize = TP_ABILITIES_INST_SIZE;
pSettings->uIps = TP_ABILITIES_INTS_PER_SEC;
if (pSettings->bDSPEnabled && pSettings->bModemEnabled && pSettings->usDspIrq == pSettings->usUartIrq) {
pBDData->bShareDspIrq = pBDData->bShareUartIrq = 1;
} else {
pBDData->bShareDspIrq = pBDData->bShareUartIrq = 0;
}
PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_CalcResources exit\n");
return 0;
}
int dsp3780I_Run(DSP_3780I_CONFIG_SETTINGS * pSettings)
{
unsigned long flags;
unsigned short usDspBaseIO = pSettings->usDspBaseIO;
DSP_BOOT_DOMAIN rBootDomain;
DSP_HBRIDGE_CONTROL rHBridgeControl;
PRINTK_1(TRACE_3780I, "3780i::dsp3780i_Run entry\n");
/* Transition the core to a running state */
rBootDomain.ResetCore = TRUE;
rBootDomain.Halt = FALSE;
rBootDomain.NMI = TRUE;
rBootDomain.Reserved = 0;
WriteMsaCfg(DSP_MspBootDomain, MKWORD(rBootDomain));
udelay(5);
rBootDomain.ResetCore = FALSE;
WriteMsaCfg(DSP_MspBootDomain, MKWORD(rBootDomain));
udelay(5);
rBootDomain.NMI = FALSE;
WriteMsaCfg(DSP_MspBootDomain, MKWORD(rBootDomain));
udelay(5);
/* Enable DSP to PC interrupt */
spin_lock_irqsave(&dsp_lock, flags);
MKWORD(rHBridgeControl) = InWordDsp(DSP_HBridgeControl);
rHBridgeControl.EnableDspInt = TRUE;
PRINTK_2(TRACE_3780I, "3780i::dsp3780i_Run rHBridgeControl %x\n",
MKWORD(rHBridgeControl));
OutWordDsp(DSP_HBridgeControl, MKWORD(rHBridgeControl));
spin_unlock_irqrestore(&dsp_lock, flags);
PRINTK_1(TRACE_3780I, "3780i::dsp3780i_Run exit bRC=TRUE\n");
return 0;
}
unsigned short dsp3780I_ReadMsaCfg(unsigned short usDspBaseIO,
unsigned long ulMsaAddr)
{
unsigned short val;
PRINTK_3(TRACE_3780I,
"3780i::dsp3780I_ReadMsaCfg entry usDspBaseIO %x ulMsaAddr %lx\n",
usDspBaseIO, ulMsaAddr);
spin_lock_irqsave(&dsp_lock, flags);
OutWordDsp(DSP_MsaAddrLow, (unsigned short) ulMsaAddr);
OutWordDsp(DSP_MsaAddrHigh, (unsigned short) (ulMsaAddr >> 16));
val = InWordDsp(DSP_MsaDataDSISHigh);
spin_unlock_irqrestore(&dsp_lock, flags);
PRINTK_2(TRACE_3780I, "3780i::dsp3780I_ReadMsaCfg exit val %x\n", val);
return val;
}
int dsp3780I_GetIPCSource(unsigned short usDspBaseIO,
unsigned short *pusIPCSource)
{
unsigned long flags;
DSP_HBRIDGE_CONTROL rHBridgeControl;
unsigned short temp;
PRINTK_3(TRACE_3780I,
"3780i::dsp3780I_GetIPCSource entry usDspBaseIO %x pusIPCSource %p\n",
usDspBaseIO, pusIPCSource);
/*
* Disable DSP to PC interrupts, read the interrupt register,
* clear the pending IPC bits, and reenable DSP to PC interrupts
*/
spin_lock_irqsave(&dsp_lock, flags);
MKWORD(rHBridgeControl) = InWordDsp(DSP_HBridgeControl);
rHBridgeControl.EnableDspInt = FALSE;
OutWordDsp(DSP_HBridgeControl, MKWORD(rHBridgeControl));
*pusIPCSource = InWordDsp(DSP_Interrupt);
temp = (unsigned short) ~(*pusIPCSource);
PRINTK_3(TRACE_3780I,
"3780i::dsp3780I_GetIPCSource, usIPCSource %x ~ %x\n",
*pusIPCSource, temp);
OutWordDsp(DSP_Interrupt, (unsigned short) ~(*pusIPCSource));
rHBridgeControl.EnableDspInt = TRUE;
OutWordDsp(DSP_HBridgeControl, MKWORD(rHBridgeControl));
spin_unlock_irqrestore(&dsp_lock, flags);
PRINTK_2(TRACE_3780I,
"3780i::dsp3780I_GetIPCSource exit usIPCSource %x\n",
*pusIPCSource);
return 0;
}
static int __init mwave_init(void)
{
int i;
int retval = 0;
pMWAVE_DEVICE_DATA pDrvData = &mwave_s_mdd;
PRINTK_1(TRACE_MWAVE, "mwavedd::mwave_init entry\n");
memset(&mwave_s_mdd, 0, sizeof(MWAVE_DEVICE_DATA));
pDrvData->bBDInitialized = FALSE;
pDrvData->bResourcesClaimed = FALSE;
pDrvData->bDSPEnabled = FALSE;
pDrvData->bDSPReset = FALSE;
pDrvData->bMwaveDevRegistered = FALSE;
pDrvData->sLine = -1;
for (i = 0; i < ARRAY_SIZE(pDrvData->IPCs); i++) {
pDrvData->IPCs[i].bIsEnabled = FALSE;
pDrvData->IPCs[i].bIsHere = FALSE;
pDrvData->IPCs[i].usIntCount = 0; /* no ints received yet */
init_waitqueue_head(&pDrvData->IPCs[i].ipc_wait_queue);
}
retval = tp3780I_InitializeBoardData(&pDrvData->rBDData);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_init, return from tp3780I_InitializeBoardData"
" retval %x\n",
retval);
if (retval) {
PRINTK_ERROR(KERN_ERR_MWAVE
"mwavedd::mwave_init: Error:"
" Failed to initialize board data\n");
goto cleanup_error;
}
pDrvData->bBDInitialized = TRUE;
retval = tp3780I_CalcResources(&pDrvData->rBDData);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_init, return from tp3780I_CalcResources"
" retval %x\n",
retval);
if (retval) {
PRINTK_ERROR(KERN_ERR_MWAVE
"mwavedd:mwave_init: Error:"
" Failed to calculate resources\n");
goto cleanup_error;
}
retval = tp3780I_ClaimResources(&pDrvData->rBDData);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_init, return from tp3780I_ClaimResources"
" retval %x\n",
retval);
if (retval) {
PRINTK_ERROR(KERN_ERR_MWAVE
"mwavedd:mwave_init: Error:"
" Failed to claim resources\n");
goto cleanup_error;
}
pDrvData->bResourcesClaimed = TRUE;
retval = tp3780I_EnableDSP(&pDrvData->rBDData);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_init, return from tp3780I_EnableDSP"
" retval %x\n",
retval);
if (retval) {
PRINTK_ERROR(KERN_ERR_MWAVE
"mwavedd:mwave_init: Error:"
" Failed to enable DSP\n");
goto cleanup_error;
}
pDrvData->bDSPEnabled = TRUE;
if (misc_register(&mwave_misc_dev) < 0) {
PRINTK_ERROR(KERN_ERR_MWAVE
"mwavedd:mwave_init: Error:"
" Failed to register misc device\n");
goto cleanup_error;
}
pDrvData->bMwaveDevRegistered = TRUE;
pDrvData->sLine = register_serial_portandirq(
pDrvData->rBDData.rDspSettings.usUartBaseIO,
pDrvData->rBDData.rDspSettings.usUartIrq
);
if (pDrvData->sLine < 0) {
PRINTK_ERROR(KERN_ERR_MWAVE
"mwavedd:mwave_init: Error:"
" Failed to register serial driver\n");
goto cleanup_error;
}
/* uart is registered */
#if 0
/* sysfs */
memset(&mwave_device, 0, sizeof (struct device));
dev_set_name(&mwave_device, "mwave");
if (device_register(&mwave_device))
goto cleanup_error;
pDrvData->device_registered = TRUE;
for (i = 0; i < ARRAY_SIZE(mwave_dev_attrs); i++) {
if(device_create_file(&mwave_device, mwave_dev_attrs[i])) {
PRINTK_ERROR(KERN_ERR_MWAVE
"mwavedd:mwave_init: Error:"
" Failed to create sysfs file %s\n",
mwave_dev_attrs[i]->attr.name);
goto cleanup_error;
}
pDrvData->nr_registered_attrs++;
}
#endif
/* SUCCESS! */
return 0;
cleanup_error:
PRINTK_ERROR(KERN_ERR_MWAVE
"mwavedd::mwave_init: Error:"
" Failed to initialize\n");
mwave_exit(); /* clean up */
return -EIO;
}
static int mwave_ioctl(struct inode *inode, struct file *file,
unsigned int iocmd, unsigned long ioarg)
{
unsigned int retval = 0;
pMWAVE_DEVICE_DATA pDrvData = &mwave_s_mdd;
PRINTK_5(TRACE_MWAVE,
"mwavedd::mwave_ioctl, entry inode %x file %x cmd %x arg %x\n",
(int) inode, (int) file, iocmd, (int) ioarg);
switch (iocmd) {
case IOCTL_MW_RESET:
PRINTK_1(TRACE_MWAVE,
"mwavedd::mwave_ioctl, IOCTL_MW_RESET calling tp3780I_ResetDSP\n");
retval = tp3780I_ResetDSP(&pDrvData->rBDData);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl, IOCTL_MW_RESET retval %x from tp3780I_ResetDSP\n",
retval);
break;
case IOCTL_MW_RUN:
PRINTK_1(TRACE_MWAVE,
"mwavedd::mwave_ioctl, IOCTL_MW_RUN calling tp3780I_StartDSP\n");
retval = tp3780I_StartDSP(&pDrvData->rBDData);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl, IOCTL_MW_RUN retval %x from tp3780I_StartDSP\n",
retval);
break;
case IOCTL_MW_DSP_ABILITIES: {
MW_ABILITIES rAbilities;
PRINTK_1(TRACE_MWAVE,
"mwavedd::mwave_ioctl, IOCTL_MW_DSP_ABILITIES calling tp3780I_QueryAbilities\n");
retval = tp3780I_QueryAbilities(&pDrvData->rBDData, &rAbilities);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl, IOCTL_MW_DSP_ABILITIES retval %x from tp3780I_QueryAbilities\n",
retval);
if (retval == 0) {
if( copy_to_user((char *) ioarg, (char *) &rAbilities, sizeof(MW_ABILITIES)) )
return -EFAULT;
}
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl, IOCTL_MW_DSP_ABILITIES exit retval %x\n",
retval);
}
break;
case IOCTL_MW_READ_DATA:
case IOCTL_MW_READCLEAR_DATA: {
MW_READWRITE rReadData;
unsigned short *pusBuffer = 0;
if( copy_from_user((char *) &rReadData, (char *) ioarg, sizeof(MW_READWRITE)) )
return -EFAULT;
pusBuffer = (unsigned short *) (rReadData.pBuf);
PRINTK_4(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_READ_DATA, size %lx, ioarg %lx pusBuffer %p\n",
rReadData.ulDataLength, ioarg, pusBuffer);
retval = tp3780I_ReadWriteDspDStore(&pDrvData->rBDData, iocmd,
(void *) pusBuffer, rReadData.ulDataLength, rReadData.usDspAddress);
}
break;
case IOCTL_MW_READ_INST: {
MW_READWRITE rReadData;
unsigned short *pusBuffer = 0;
if( copy_from_user((char *) &rReadData, (char *) ioarg, sizeof(MW_READWRITE)) )
return -EFAULT;
pusBuffer = (unsigned short *) (rReadData.pBuf);
PRINTK_4(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_READ_INST, size %lx, ioarg %lx pusBuffer %p\n",
rReadData.ulDataLength / 2, ioarg,
pusBuffer);
retval = tp3780I_ReadWriteDspDStore(&pDrvData->rBDData,
iocmd, pusBuffer,
rReadData.ulDataLength / 2,
rReadData.usDspAddress);
}
break;
case IOCTL_MW_WRITE_DATA: {
MW_READWRITE rWriteData;
unsigned short *pusBuffer = 0;
if( copy_from_user((char *) &rWriteData, (char *) ioarg, sizeof(MW_READWRITE)) )
return -EFAULT;
pusBuffer = (unsigned short *) (rWriteData.pBuf);
PRINTK_4(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_WRITE_DATA, size %lx, ioarg %lx pusBuffer %p\n",
rWriteData.ulDataLength, ioarg,
pusBuffer);
retval = tp3780I_ReadWriteDspDStore(&pDrvData->rBDData, iocmd,
pusBuffer, rWriteData.ulDataLength, rWriteData.usDspAddress);
}
break;
case IOCTL_MW_WRITE_INST: {
MW_READWRITE rWriteData;
unsigned short *pusBuffer = 0;
if( copy_from_user((char *) &rWriteData, (char *) ioarg, sizeof(MW_READWRITE)) )
return -EFAULT;
pusBuffer = (unsigned short *) (rWriteData.pBuf);
PRINTK_4(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_WRITE_INST, size %lx, ioarg %lx pusBuffer %p\n",
rWriteData.ulDataLength, ioarg,
pusBuffer);
retval = tp3780I_ReadWriteDspIStore(&pDrvData->rBDData, iocmd,
pusBuffer, rWriteData.ulDataLength, rWriteData.usDspAddress);
}
break;
case IOCTL_MW_REGISTER_IPC: {
unsigned int ipcnum = (unsigned int) ioarg;
PRINTK_3(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_REGISTER_IPC ipcnum %x entry usIntCount %x\n",
ipcnum,
pDrvData->IPCs[ipcnum].usIntCount);
if (ipcnum > 16) {
PRINTK_ERROR(KERN_ERR_MWAVE "mwavedd::mwave_ioctl: IOCTL_MW_REGISTER_IPC: Error: Invalid ipcnum %x\n", ipcnum);
return -EINVAL;
}
pDrvData->IPCs[ipcnum].bIsHere = FALSE;
pDrvData->IPCs[ipcnum].bIsEnabled = TRUE;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
#else
current->priority = 0x28; /* boost to provide priority timing */
#endif
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_REGISTER_IPC ipcnum %x exit\n",
ipcnum);
}
break;
case IOCTL_MW_GET_IPC: {
unsigned int ipcnum = (unsigned int) ioarg;
spinlock_t ipc_lock = SPIN_LOCK_UNLOCKED;
unsigned long flags;
PRINTK_3(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_GET_IPC ipcnum %x, usIntCount %x\n",
ipcnum,
pDrvData->IPCs[ipcnum].usIntCount);
if (ipcnum > 16) {
PRINTK_ERROR(KERN_ERR_MWAVE "mwavedd::mwave_ioctl: IOCTL_MW_GET_IPC: Error: Invalid ipcnum %x\n", ipcnum);
return -EINVAL;
}
if (pDrvData->IPCs[ipcnum].bIsEnabled == TRUE) {
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl, thread for ipc %x going to sleep\n",
ipcnum);
spin_lock_irqsave(&ipc_lock, flags);
/* check whether an event was signalled by */
/* the interrupt handler while we were gone */
if (pDrvData->IPCs[ipcnum].usIntCount == 1) { /* first int has occurred (race condition) */
pDrvData->IPCs[ipcnum].usIntCount = 2; /* first int has been handled */
spin_unlock_irqrestore(&ipc_lock, flags);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_GET_IPC ipcnum %x handling first int\n",
ipcnum);
} else { /* either 1st int has not yet occurred, or we have already handled the first int */
pDrvData->IPCs[ipcnum].bIsHere = TRUE;
interruptible_sleep_on(&pDrvData->IPCs[ipcnum].ipc_wait_queue);
pDrvData->IPCs[ipcnum].bIsHere = FALSE;
if (pDrvData->IPCs[ipcnum].usIntCount == 1) {
pDrvData->IPCs[ipcnum].
usIntCount = 2;
}
spin_unlock_irqrestore(&ipc_lock, flags);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_GET_IPC ipcnum %x woke up and returning to application\n",
ipcnum);
}
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_GET_IPC, returning thread for ipc %x processing\n",
ipcnum);
}
}
break;
case IOCTL_MW_UNREGISTER_IPC: {
unsigned int ipcnum = (unsigned int) ioarg;
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_UNREGISTER_IPC ipcnum %x\n",
ipcnum);
if (ipcnum > 16) {
PRINTK_ERROR(KERN_ERR_MWAVE "mwavedd::mwave_ioctl: IOCTL_MW_UNREGISTER_IPC: Error: Invalid ipcnum %x\n", ipcnum);
return -EINVAL;
}
if (pDrvData->IPCs[ipcnum].bIsEnabled == TRUE) {
pDrvData->IPCs[ipcnum].bIsEnabled = FALSE;
if (pDrvData->IPCs[ipcnum].bIsHere == TRUE) {
wake_up_interruptible(&pDrvData->IPCs[ipcnum].ipc_wait_queue);
}
}
}
break;
default:
PRINTK_ERROR(KERN_ERR_MWAVE "mwavedd::mwave_ioctl: Error: Unrecognized iocmd %x\n", iocmd);
return -ENOTTY;
break;
} /* switch */
PRINTK_2(TRACE_MWAVE, "mwavedd::mwave_ioctl, exit retval %x\n", retval);
return retval;
}
static int __init mwave_init(void)
{
int i;
int retval = 0;
int resultMiscRegister;
pMWAVE_DEVICE_DATA pDrvData = &mwave_s_mdd;
memset(&mwave_s_mdd, 0, sizeof(MWAVE_DEVICE_DATA));
PRINTK_1(TRACE_MWAVE, "mwavedd::mwave_init entry\n");
pDrvData->bBDInitialized = FALSE;
pDrvData->bResourcesClaimed = FALSE;
pDrvData->bDSPEnabled = FALSE;
pDrvData->bDSPReset = FALSE;
pDrvData->bMwaveDevRegistered = FALSE;
pDrvData->sLine = -1;
pDrvData->bProcEntryCreated = FALSE;
for (i = 0; i < 16; i++) {
pDrvData->IPCs[i].bIsEnabled = FALSE;
pDrvData->IPCs[i].bIsHere = FALSE;
pDrvData->IPCs[i].usIntCount = 0; /* no ints received yet */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
init_waitqueue_head(&pDrvData->IPCs[i].ipc_wait_queue);
#endif
}
retval = tp3780I_InitializeBoardData(&pDrvData->rBDData);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_init, return from tp3780I_InitializeBoardData retval %x\n",
retval);
if (retval) {
PRINTK_ERROR(KERN_ERR_MWAVE "mwavedd::mwave_init: Error: Failed to initialize board data\n");
goto cleanup_error;
}
pDrvData->bBDInitialized = TRUE;
retval = tp3780I_CalcResources(&pDrvData->rBDData);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_init, return from tp3780I_CalcResources retval %x\n",
retval);
if (retval) {
PRINTK_ERROR(KERN_ERR_MWAVE "mwavedd:mwave_init: Error: Failed to calculate resources\n");
goto cleanup_error;
}
retval = tp3780I_ClaimResources(&pDrvData->rBDData);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_init, return from tp3780I_ClaimResources retval %x\n",
retval);
if (retval) {
PRINTK_ERROR(KERN_ERR_MWAVE "mwavedd:mwave_init: Error: Failed to claim resources\n");
goto cleanup_error;
}
pDrvData->bResourcesClaimed = TRUE;
retval = tp3780I_EnableDSP(&pDrvData->rBDData);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_init, return from tp3780I_EnableDSP retval %x\n",
retval);
if (retval) {
PRINTK_ERROR(KERN_ERR_MWAVE "mwavedd:mwave_init: Error: Failed to enable DSP\n");
goto cleanup_error;
}
pDrvData->bDSPEnabled = TRUE;
resultMiscRegister = misc_register(&mwave_misc_dev);
if (resultMiscRegister < 0) {
PRINTK_ERROR(KERN_ERR_MWAVE "mwavedd:mwave_init: Error: Failed to register misc device\n");
goto cleanup_error;
}
pDrvData->bMwaveDevRegistered = TRUE;
pDrvData->sLine = register_serial_portandirq(
pDrvData->rBDData.rDspSettings.usUartBaseIO,
pDrvData->rBDData.rDspSettings.usUartIrq
);
if (pDrvData->sLine < 0) {
PRINTK_ERROR(KERN_ERR_MWAVE "mwavedd:mwave_init: Error: Failed to register serial driver\n");
goto cleanup_error;
}
/* uart is registered */
if (
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
!create_proc_info_entry("mwave", 0, NULL, mwave_get_info)
#else
proc_register(&proc_root, &mwave_proc)
#endif
) {
PRINTK_ERROR(KERN_ERR_MWAVE "mwavedd::mwave_init: Error: Failed to register /proc/mwave\n");
goto cleanup_error;
}
pDrvData->bProcEntryCreated = TRUE;
/* SUCCESS! */
return 0;
cleanup_error:
PRINTK_ERROR(KERN_ERR_MWAVE "mwavedd::mwave_init: Error: Failed to initialize\n");
mwave_exit(); /* clean up */
return -EIO;
}
int dsp3780I_EnableDSP(DSP_3780I_CONFIG_SETTINGS * pSettings,
unsigned short *pIrqMap,
unsigned short *pDmaMap)
{
unsigned long flags;
unsigned short usDspBaseIO = pSettings->usDspBaseIO;
int i;
DSP_UART_CFG_1 rUartCfg1;
DSP_UART_CFG_2 rUartCfg2;
DSP_HBRIDGE_CFG_1 rHBridgeCfg1;
DSP_HBRIDGE_CFG_2 rHBridgeCfg2;
DSP_BUSMASTER_CFG_1 rBusmasterCfg1;
DSP_BUSMASTER_CFG_2 rBusmasterCfg2;
DSP_ISA_PROT_CFG rIsaProtCfg;
DSP_POWER_MGMT_CFG rPowerMgmtCfg;
DSP_HBUS_TIMER_CFG rHBusTimerCfg;
DSP_LBUS_TIMEOUT_DISABLE rLBusTimeoutDisable;
DSP_CHIP_RESET rChipReset;
DSP_CLOCK_CONTROL_1 rClockControl1;
DSP_CLOCK_CONTROL_2 rClockControl2;
DSP_ISA_SLAVE_CONTROL rSlaveControl;
DSP_HBRIDGE_CONTROL rHBridgeControl;
unsigned short ChipID = 0;
unsigned short tval;
PRINTK_2(TRACE_3780I,
"3780i::dsp3780I_EnableDSP entry pSettings->bDSPEnabled %x\n",
pSettings->bDSPEnabled);
if (!pSettings->bDSPEnabled) {
PRINTK_ERROR( KERN_ERR "3780i::dsp3780I_EnableDSP: Error: DSP not enabled. Aborting.\n" );
return -EIO;
}
PRINTK_2(TRACE_3780I,
"3780i::dsp3780i_EnableDSP entry pSettings->bModemEnabled %x\n",
pSettings->bModemEnabled);
if (pSettings->bModemEnabled) {
rUartCfg1.Reserved = rUartCfg2.Reserved = 0;
rUartCfg1.IrqActiveLow = pSettings->bUartIrqActiveLow;
rUartCfg1.IrqPulse = pSettings->bUartIrqPulse;
rUartCfg1.Irq =
(unsigned char) pIrqMap[pSettings->usUartIrq];
switch (pSettings->usUartBaseIO) {
case 0x03F8:
rUartCfg1.BaseIO = 0;
break;
case 0x02F8:
rUartCfg1.BaseIO = 1;
break;
case 0x03E8:
rUartCfg1.BaseIO = 2;
break;
case 0x02E8:
rUartCfg1.BaseIO = 3;
break;
}
rUartCfg2.Enable = TRUE;
}
rHBridgeCfg1.Reserved = rHBridgeCfg2.Reserved = 0;
rHBridgeCfg1.IrqActiveLow = pSettings->bDspIrqActiveLow;
rHBridgeCfg1.IrqPulse = pSettings->bDspIrqPulse;
rHBridgeCfg1.Irq = (unsigned char) pIrqMap[pSettings->usDspIrq];
rHBridgeCfg1.AccessMode = 1;
rHBridgeCfg2.Enable = TRUE;
rBusmasterCfg2.Reserved = 0;
rBusmasterCfg1.Dma = (unsigned char) pDmaMap[pSettings->usDspDma];
rBusmasterCfg1.NumTransfers =
(unsigned char) pSettings->usNumTransfers;
rBusmasterCfg1.ReRequest = (unsigned char) pSettings->usReRequest;
rBusmasterCfg1.MEMCS16 = pSettings->bEnableMEMCS16;
rBusmasterCfg2.IsaMemCmdWidth =
(unsigned char) pSettings->usIsaMemCmdWidth;
rIsaProtCfg.Reserved = 0;
rIsaProtCfg.GateIOCHRDY = pSettings->bGateIOCHRDY;
rPowerMgmtCfg.Reserved = 0;
rPowerMgmtCfg.Enable = pSettings->bEnablePwrMgmt;
rHBusTimerCfg.LoadValue =
(unsigned char) pSettings->usHBusTimerLoadValue;
rLBusTimeoutDisable.Reserved = 0;
rLBusTimeoutDisable.DisableTimeout =
pSettings->bDisableLBusTimeout;
MKWORD(rChipReset) = ~pSettings->usChipletEnable;
rClockControl1.Reserved1 = rClockControl1.Reserved2 = 0;
rClockControl1.N_Divisor = pSettings->usN_Divisor;
rClockControl1.M_Multiplier = pSettings->usM_Multiplier;
rClockControl2.Reserved = 0;
rClockControl2.PllBypass = pSettings->bPllBypass;
/* Issue a soft reset to the chip */
/* Note: Since we may be coming in with 3780i clocks suspended, we must keep
* soft-reset active for 10ms.
*/
rSlaveControl.ClockControl = 0;
rSlaveControl.SoftReset = TRUE;
rSlaveControl.ConfigMode = FALSE;
rSlaveControl.Reserved = 0;
PRINTK_4(TRACE_3780I,
"3780i::dsp3780i_EnableDSP usDspBaseIO %x index %x taddr %x\n",
usDspBaseIO, DSP_IsaSlaveControl,
usDspBaseIO + DSP_IsaSlaveControl);
PRINTK_2(TRACE_3780I,
"3780i::dsp3780i_EnableDSP rSlaveContrl %x\n",
MKWORD(rSlaveControl));
spin_lock_irqsave(&dsp_lock, flags);
OutWordDsp(DSP_IsaSlaveControl, MKWORD(rSlaveControl));
MKWORD(tval) = InWordDsp(DSP_IsaSlaveControl);
PRINTK_2(TRACE_3780I,
"3780i::dsp3780i_EnableDSP rSlaveControl 2 %x\n", tval);
for (i = 0; i < 11; i++)
udelay(2000);
rSlaveControl.SoftReset = FALSE;
OutWordDsp(DSP_IsaSlaveControl, MKWORD(rSlaveControl));
MKWORD(tval) = InWordDsp(DSP_IsaSlaveControl);
PRINTK_2(TRACE_3780I,
"3780i::dsp3780i_EnableDSP rSlaveControl 3 %x\n", tval);
/* Program our general configuration registers */
WriteGenCfg(DSP_HBridgeCfg1Index, MKBYTE(rHBridgeCfg1));
WriteGenCfg(DSP_HBridgeCfg2Index, MKBYTE(rHBridgeCfg2));
WriteGenCfg(DSP_BusMasterCfg1Index, MKBYTE(rBusmasterCfg1));
WriteGenCfg(DSP_BusMasterCfg2Index, MKBYTE(rBusmasterCfg2));
WriteGenCfg(DSP_IsaProtCfgIndex, MKBYTE(rIsaProtCfg));
WriteGenCfg(DSP_PowerMgCfgIndex, MKBYTE(rPowerMgmtCfg));
WriteGenCfg(DSP_HBusTimerCfgIndex, MKBYTE(rHBusTimerCfg));
if (pSettings->bModemEnabled) {
WriteGenCfg(DSP_UartCfg1Index, MKBYTE(rUartCfg1));
WriteGenCfg(DSP_UartCfg2Index, MKBYTE(rUartCfg2));
}
rHBridgeControl.EnableDspInt = FALSE;
rHBridgeControl.MemAutoInc = TRUE;
rHBridgeControl.IoAutoInc = FALSE;
rHBridgeControl.DiagnosticMode = FALSE;
PRINTK_3(TRACE_3780I,
"3780i::dsp3780i_EnableDSP DSP_HBridgeControl %x rHBridgeControl %x\n",
DSP_HBridgeControl, MKWORD(rHBridgeControl));
OutWordDsp(DSP_HBridgeControl, MKWORD(rHBridgeControl));
spin_unlock_irqrestore(&dsp_lock, flags);
WriteMsaCfg(DSP_LBusTimeoutDisable, MKWORD(rLBusTimeoutDisable));
WriteMsaCfg(DSP_ClockControl_1, MKWORD(rClockControl1));
WriteMsaCfg(DSP_ClockControl_2, MKWORD(rClockControl2));
WriteMsaCfg(DSP_ChipReset, MKWORD(rChipReset));
ChipID = ReadMsaCfg(DSP_ChipID);
PRINTK_2(TRACE_3780I,
"3780i::dsp3780I_EnableDSP exiting bRC=TRUE, ChipID %x\n",
ChipID);
return 0;
}
int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData)
{
DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
BOOLEAN bDSPPoweredUp = FALSE, bInterruptAllocated = FALSE;
PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP entry pBDData %p\n", pBDData);
if (pBDData->bDSPEnabled) {
PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: DSP already enabled!\n");
goto exit_cleanup;
}
if (!pSettings->bDSPEnabled) {
PRINTK_ERROR(KERN_ERR_MWAVE "tp3780::tp3780I_EnableDSP: Error: pSettings->bDSPEnabled not set\n");
goto exit_cleanup;
}
if (
(pSettings->usDspIrq >= s_numIrqs)
|| (pSettings->usDspDma >= s_numDmas)
|| (s_ausThinkpadIrqToField[pSettings->usDspIrq] == 0xFFFF)
|| (s_ausThinkpadDmaToField[pSettings->usDspDma] == 0xFFFF)
) {
PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: invalid irq %x\n", pSettings->usDspIrq);
goto exit_cleanup;
}
if (
((pSettings->usDspBaseIO & 0xF00F) != 0)
|| (pSettings->usDspBaseIO & 0x0FF0) == 0
) {
PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid DSP base I/O address %x\n", pSettings->usDspBaseIO);
goto exit_cleanup;
}
if (pSettings->bModemEnabled) {
if (
pSettings->usUartIrq >= s_numIrqs
|| s_ausThinkpadIrqToField[pSettings->usUartIrq] == 0xFFFF
) {
PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Invalid UART IRQ %x\n", pSettings->usUartIrq);
goto exit_cleanup;
}
switch (pSettings->usUartBaseIO) {
case 0x03F8:
case 0x02F8:
case 0x03E8:
case 0x02E8:
break;
default:
PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Invalid UART base I/O address %x\n", pSettings->usUartBaseIO);
goto exit_cleanup;
}
}
pSettings->bDspIrqActiveLow = pSettings->bDspIrqPulse = TRUE;
pSettings->bUartIrqActiveLow = pSettings->bUartIrqPulse = TRUE;
if (pBDData->bShareDspIrq) {
pSettings->bDspIrqActiveLow = FALSE;
}
if (pBDData->bShareUartIrq) {
pSettings->bUartIrqActiveLow = FALSE;
}
pSettings->usNumTransfers = TP_CFG_NumTransfers;
pSettings->usReRequest = TP_CFG_RerequestTimer;
pSettings->bEnableMEMCS16 = TP_CFG_MEMCS16;
pSettings->usIsaMemCmdWidth = TP_CFG_IsaMemCmdWidth;
pSettings->bGateIOCHRDY = TP_CFG_GateIOCHRDY;
pSettings->bEnablePwrMgmt = TP_CFG_EnablePwrMgmt;
pSettings->usHBusTimerLoadValue = TP_CFG_HBusTimerValue;
pSettings->bDisableLBusTimeout = TP_CFG_DisableLBusTimeout;
pSettings->usN_Divisor = TP_CFG_N_Divisor;
pSettings->usM_Multiplier = TP_CFG_M_Multiplier;
pSettings->bPllBypass = TP_CFG_PllBypass;
pSettings->usChipletEnable = TP_CFG_ChipletEnable;
if (request_irq(pSettings->usUartIrq, &UartInterrupt, 0, "mwave_uart", NULL)) {
PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Could not get UART IRQ %x\n", pSettings->usUartIrq);
goto exit_cleanup;
} else { /* */
free_irq(pSettings->usUartIrq, NULL);
}
if (request_irq(pSettings->usDspIrq, &DspInterrupt, 0, "mwave_3780i", NULL)) {
PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: Could not get 3780i IRQ %x\n", pSettings->usDspIrq);
goto exit_cleanup;
} else {
PRINTK_3(TRACE_TP3780I,
"tp3780i::tp3780I_EnableDSP, got interrupt %x bShareDspIrq %x\n",
pSettings->usDspIrq, pBDData->bShareDspIrq);
bInterruptAllocated = TRUE;
pSettings->bInterruptClaimed = TRUE;
}
smapi_set_DSP_power_state(FALSE);
if (smapi_set_DSP_power_state(TRUE)) {
PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: smapi_set_DSP_power_state(TRUE) failed\n");
goto exit_cleanup;
} else {
bDSPPoweredUp = TRUE;
}
if (dsp3780I_EnableDSP(pSettings, s_ausThinkpadIrqToField, s_ausThinkpadDmaToField)) {
PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: dsp7880I_EnableDSP() failed\n");
goto exit_cleanup;
}
EnableSRAM(pBDData);
pBDData->bDSPEnabled = TRUE;
PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP exit\n");
return 0;
exit_cleanup:
PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Cleaning up\n");
if (bDSPPoweredUp)
smapi_set_DSP_power_state(FALSE);
if (bInterruptAllocated) {
free_irq(pSettings->usDspIrq, NULL);
pSettings->bInterruptClaimed = FALSE;
}
return -EIO;
}
static long mwave_ioctl(struct file *file, unsigned int iocmd,
unsigned long ioarg)
{
unsigned int retval = 0;
pMWAVE_DEVICE_DATA pDrvData = &mwave_s_mdd;
void __user *arg = (void __user *)ioarg;
PRINTK_4(TRACE_MWAVE,
"mwavedd::mwave_ioctl, entry file %p cmd %x arg %x\n",
file, iocmd, (int) ioarg);
switch (iocmd) {
case IOCTL_MW_RESET:
PRINTK_1(TRACE_MWAVE,
"mwavedd::mwave_ioctl, IOCTL_MW_RESET"
" calling tp3780I_ResetDSP\n");
mutex_lock(&mwave_mutex);
retval = tp3780I_ResetDSP(&pDrvData->rBDData);
mutex_unlock(&mwave_mutex);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl, IOCTL_MW_RESET"
" retval %x from tp3780I_ResetDSP\n",
retval);
break;
case IOCTL_MW_RUN:
PRINTK_1(TRACE_MWAVE,
"mwavedd::mwave_ioctl, IOCTL_MW_RUN"
" calling tp3780I_StartDSP\n");
mutex_lock(&mwave_mutex);
retval = tp3780I_StartDSP(&pDrvData->rBDData);
mutex_unlock(&mwave_mutex);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl, IOCTL_MW_RUN"
" retval %x from tp3780I_StartDSP\n",
retval);
break;
case IOCTL_MW_DSP_ABILITIES: {
MW_ABILITIES rAbilities;
PRINTK_1(TRACE_MWAVE,
"mwavedd::mwave_ioctl,"
" IOCTL_MW_DSP_ABILITIES calling"
" tp3780I_QueryAbilities\n");
mutex_lock(&mwave_mutex);
retval = tp3780I_QueryAbilities(&pDrvData->rBDData,
&rAbilities);
mutex_unlock(&mwave_mutex);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl, IOCTL_MW_DSP_ABILITIES"
" retval %x from tp3780I_QueryAbilities\n",
retval);
if (retval == 0) {
if( copy_to_user(arg, &rAbilities,
sizeof(MW_ABILITIES)) )
return -EFAULT;
}
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl, IOCTL_MW_DSP_ABILITIES"
" exit retval %x\n",
retval);
}
break;
case IOCTL_MW_READ_DATA:
case IOCTL_MW_READCLEAR_DATA: {
MW_READWRITE rReadData;
unsigned short __user *pusBuffer = NULL;
if( copy_from_user(&rReadData, arg,
sizeof(MW_READWRITE)) )
return -EFAULT;
pusBuffer = (unsigned short __user *) (rReadData.pBuf);
PRINTK_4(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_READ_DATA,"
" size %lx, ioarg %lx pusBuffer %p\n",
rReadData.ulDataLength, ioarg, pusBuffer);
mutex_lock(&mwave_mutex);
retval = tp3780I_ReadWriteDspDStore(&pDrvData->rBDData,
iocmd,
pusBuffer,
rReadData.ulDataLength,
rReadData.usDspAddress);
mutex_unlock(&mwave_mutex);
}
break;
case IOCTL_MW_READ_INST: {
MW_READWRITE rReadData;
unsigned short __user *pusBuffer = NULL;
if( copy_from_user(&rReadData, arg,
sizeof(MW_READWRITE)) )
return -EFAULT;
pusBuffer = (unsigned short __user *) (rReadData.pBuf);
PRINTK_4(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_READ_INST,"
" size %lx, ioarg %lx pusBuffer %p\n",
rReadData.ulDataLength / 2, ioarg,
pusBuffer);
mutex_lock(&mwave_mutex);
retval = tp3780I_ReadWriteDspDStore(&pDrvData->rBDData,
iocmd, pusBuffer,
rReadData.ulDataLength / 2,
rReadData.usDspAddress);
mutex_unlock(&mwave_mutex);
}
break;
case IOCTL_MW_WRITE_DATA: {
MW_READWRITE rWriteData;
unsigned short __user *pusBuffer = NULL;
if( copy_from_user(&rWriteData, arg,
sizeof(MW_READWRITE)) )
return -EFAULT;
pusBuffer = (unsigned short __user *) (rWriteData.pBuf);
PRINTK_4(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_WRITE_DATA,"
" size %lx, ioarg %lx pusBuffer %p\n",
rWriteData.ulDataLength, ioarg,
pusBuffer);
mutex_lock(&mwave_mutex);
retval = tp3780I_ReadWriteDspDStore(&pDrvData->rBDData,
iocmd, pusBuffer,
rWriteData.ulDataLength,
rWriteData.usDspAddress);
mutex_unlock(&mwave_mutex);
}
break;
case IOCTL_MW_WRITE_INST: {
MW_READWRITE rWriteData;
unsigned short __user *pusBuffer = NULL;
if( copy_from_user(&rWriteData, arg,
sizeof(MW_READWRITE)) )
return -EFAULT;
pusBuffer = (unsigned short __user *)(rWriteData.pBuf);
PRINTK_4(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_WRITE_INST,"
" size %lx, ioarg %lx pusBuffer %p\n",
rWriteData.ulDataLength, ioarg,
pusBuffer);
mutex_lock(&mwave_mutex);
retval = tp3780I_ReadWriteDspIStore(&pDrvData->rBDData,
iocmd, pusBuffer,
rWriteData.ulDataLength,
rWriteData.usDspAddress);
mutex_unlock(&mwave_mutex);
}
break;
case IOCTL_MW_REGISTER_IPC: {
unsigned int ipcnum = (unsigned int) ioarg;
if (ipcnum >= ARRAY_SIZE(pDrvData->IPCs)) {
PRINTK_ERROR(KERN_ERR_MWAVE
"mwavedd::mwave_ioctl:"
" IOCTL_MW_REGISTER_IPC:"
" Error: Invalid ipcnum %x\n",
ipcnum);
return -EINVAL;
}
PRINTK_3(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_REGISTER_IPC"
" ipcnum %x entry usIntCount %x\n",
ipcnum,
pDrvData->IPCs[ipcnum].usIntCount);
mutex_lock(&mwave_mutex);
pDrvData->IPCs[ipcnum].bIsHere = FALSE;
pDrvData->IPCs[ipcnum].bIsEnabled = TRUE;
mutex_unlock(&mwave_mutex);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_REGISTER_IPC"
" ipcnum %x exit\n",
ipcnum);
}
break;
case IOCTL_MW_GET_IPC: {
unsigned int ipcnum = (unsigned int) ioarg;
if (ipcnum >= ARRAY_SIZE(pDrvData->IPCs)) {
PRINTK_ERROR(KERN_ERR_MWAVE
"mwavedd::mwave_ioctl:"
" IOCTL_MW_GET_IPC: Error:"
" Invalid ipcnum %x\n", ipcnum);
return -EINVAL;
}
PRINTK_3(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_GET_IPC"
" ipcnum %x, usIntCount %x\n",
ipcnum,
pDrvData->IPCs[ipcnum].usIntCount);
mutex_lock(&mwave_mutex);
if (pDrvData->IPCs[ipcnum].bIsEnabled == TRUE) {
DECLARE_WAITQUEUE(wait, current);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl, thread for"
" ipc %x going to sleep\n",
ipcnum);
add_wait_queue(&pDrvData->IPCs[ipcnum].ipc_wait_queue, &wait);
pDrvData->IPCs[ipcnum].bIsHere = TRUE;
set_current_state(TASK_INTERRUPTIBLE);
/* check whether an event was signalled by */
/* the interrupt handler while we were gone */
if (pDrvData->IPCs[ipcnum].usIntCount == 1) { /* first int has occurred (race condition) */
pDrvData->IPCs[ipcnum].usIntCount = 2; /* first int has been handled */
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl"
" IOCTL_MW_GET_IPC ipcnum %x"
" handling first int\n",
ipcnum);
} else { /* either 1st int has not yet occurred, or we have already handled the first int */
schedule();
if (pDrvData->IPCs[ipcnum].usIntCount == 1) {
pDrvData->IPCs[ipcnum].usIntCount = 2;
}
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl"
" IOCTL_MW_GET_IPC ipcnum %x"
" woke up and returning to"
" application\n",
ipcnum);
}
pDrvData->IPCs[ipcnum].bIsHere = FALSE;
remove_wait_queue(&pDrvData->IPCs[ipcnum].ipc_wait_queue, &wait);
set_current_state(TASK_RUNNING);
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_GET_IPC,"
" returning thread for ipc %x"
" processing\n",
ipcnum);
}
mutex_unlock(&mwave_mutex);
}
break;
case IOCTL_MW_UNREGISTER_IPC: {
unsigned int ipcnum = (unsigned int) ioarg;
PRINTK_2(TRACE_MWAVE,
"mwavedd::mwave_ioctl IOCTL_MW_UNREGISTER_IPC"
" ipcnum %x\n",
ipcnum);
if (ipcnum >= ARRAY_SIZE(pDrvData->IPCs)) {
PRINTK_ERROR(KERN_ERR_MWAVE
"mwavedd::mwave_ioctl:"
" IOCTL_MW_UNREGISTER_IPC:"
" Error: Invalid ipcnum %x\n",
ipcnum);
return -EINVAL;
}
mutex_lock(&mwave_mutex);
if (pDrvData->IPCs[ipcnum].bIsEnabled == TRUE) {
pDrvData->IPCs[ipcnum].bIsEnabled = FALSE;
if (pDrvData->IPCs[ipcnum].bIsHere == TRUE) {
wake_up_interruptible(&pDrvData->IPCs[ipcnum].ipc_wait_queue);
}
}
mutex_unlock(&mwave_mutex);
}
break;
default:
return -ENOTTY;
break;
} /* switch */
PRINTK_2(TRACE_MWAVE, "mwavedd::mwave_ioctl, exit retval %x\n", retval);
return retval;
}
