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 __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; }