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; }
int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData) { DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings; BOOLEAN bDSPPoweredUp = FALSE, bDSPEnabled = 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", 0)) { PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: Could not get UART IRQ %x\n", pSettings->usUartIrq); goto exit_cleanup; } else { /* no conflict just release */ free_irq(pSettings->usUartIrq, 0); } if (request_irq(pSettings->usDspIrq, &DspInterrupt, 0, "mwave_3780i", 0)) { 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; } else { bDSPEnabled = TRUE; } 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 (bDSPEnabled) dsp3780I_DisableDSP(pSettings); if (bDSPPoweredUp) smapi_set_DSP_power_state(FALSE); if (bInterruptAllocated) { free_irq(pSettings->usDspIrq, 0); pSettings->bInterruptClaimed = FALSE; } return -EIO; }