/* * * tp3780i.c -- board driver for 3780i on ThinkPads * * * Written By: Mike Sullivan IBM Corporation * * Copyright (C) 1999 IBM 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. * * NO WARRANTY * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is * solely responsible for determining the appropriateness of using and * distributing the Program and assumes all risks associated with its * exercise of rights under this Agreement, including but not limited to * the risks and costs of program errors, damage to or loss of data, * programs or equipment, and unavailability or interruption of operations. * * DISCLAIMER OF LIABILITY * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES * * 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 * * * 10/23/2000 - Alpha Release * First release to the public */ #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/ptrace.h> #include <linux/ioport.h> #include <asm/io.h> #include "smapi.h" #include "mwavedd.h" #include "tp3780i.h" #include "3780i.h" #include "mwavepub.h" extern MWAVE_DEVICE_DATA mwave_s_mdd; static unsigned short s_ausThinkpadIrqToField[16] = { 0xFFFF, 0xFFFF, 0xFFFF, 0x0001, 0x0002, 0x0003, 0xFFFF, 0x0004, 0xFFFF, 0xFFFF, 0x0005, 0x0006, 0xFFFF, 0xFFFF, 0xFFFF, 0x0007 }; static unsigned short s_ausThinkpadDmaToField[8] = { 0x0001, 0x0002, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x0003, 0x0004 }; static unsigned short s_numIrqs = 16, s_numDmas = 8; static void EnableSRAM(THINKPAD_BD_DATA * pBDData) { DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings; unsigned short usDspBaseIO = pSettings->usDspBaseIO; DSP_GPIO_OUTPUT_DATA_15_8 rGpioOutputData; DSP_GPIO_DRIVER_ENABLE_15_8 rGpioDriverEnable; DSP_GPIO_MODE_15_8 rGpioMode; PRINTK_1(TRACE_TP3780I, "tp3780i::EnableSRAM, entry\n"); MKWORD(rGpioMode) = ReadMsaCfg(DSP_GpioModeControl_15_8); rGpioMode.GpioMode10 = 0; WriteMsaCfg(DSP_GpioModeControl_15_8, MKWORD(rGpioMode)); MKWORD(rGpioDriverEnable) = 0; rGpioDriverEnable.Enable10 = TRUE; rGpioDriverEnable.Mask10 = TRUE; WriteMsaCfg(DSP_GpioDriverEnable_15_8, MKWORD(rGpioDriverEnable)); MKWORD(rGpioOutputData) = 0; rGpioOutputData.Latch10 = 0; rGpioOutputData.Mask10 = TRUE; WriteMsaCfg(DSP_GpioOutputData_15_8, MKWORD(rGpioOutputData)); PRINTK_1(TRACE_TP3780I, "tp3780i::EnableSRAM exit\n"); } static irqreturn_t UartInterrupt(int irq, void *dev_id) { PRINTK_3(TRACE_TP3780I, "tp3780i::UartInterrupt entry irq %x dev_id %p\n", irq, dev_id); return IRQ_HANDLED; } 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; /* try next IPC */ 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; } 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_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 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; } /* Sanity check */ 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 tp3780I_ClaimResources(THINKPAD_BD_DATA * pBDData) { int retval = 0; DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings; struct resource *pres; PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ClaimResources entry pBDData %p\n", pBDData); pres = request_region(pSettings->usDspBaseIO, 16, "mwave_3780i"); if ( pres == NULL ) retval = -EIO; 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; } 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; } 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 { /* no conflict just release */ 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; } 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_ResetDSP(THINKPAD_BD_DATA * pBDData) { int retval = 0; DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings; PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ResetDSP entry pBDData %p\n", pBDData); if (dsp3780I_Reset(pSettings) == 0) { EnableSRAM(pBDData); } else { retval = -EIO; } PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ResetDSP 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) { // @BUG @TBD EnableSRAM(pBDData); } else { retval = -EIO; } PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_StartDSP exit retval %x\n", retval); return retval; } 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); /* fill out standard constant fields */ 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; /* fill out dynamically determined fields */ 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; /* Fill out Mwave OS and BIOS task names */ 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_ReadWriteDspDStore(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_ReadWriteDspDStore 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_DATA: bRC = dsp3780I_ReadDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr); break; case IOCTL_MW_READCLEAR_DATA: bRC = dsp3780I_ReadAndClearDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr); break; case IOCTL_MW_WRITE_DATA: bRC = dsp3780I_WriteDStore(usDspBaseIO, pvBuffer, uCount, ulDSPAddr); break; } } retval = (bRC) ? -EIO : 0; PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_ReadWriteDspDStore exit retval %x\n", retval); 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; }