Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 703 insertions, 0 deletions

diff --git a/drivers/char/mwave/mwavedd.c b/drivers/char/mwave/mwavedd.c
new file mode 100644
index 0000000000..11272d605e
--- /dev/null
+++ b/drivers/char/mwave/mwavedd.c
@@ -0,0 +1,703 @@
+/*
+*
+* mwavedd.c -- mwave device driver
+*
+*
+* 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/module.h>
+#include <linux/kernel.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/major.h>
+#include <linux/miscdevice.h>
+#include <linux/device.h>
+#include <linux/serial.h>
+#include <linux/sched.h>
+#include <linux/spinlock.h>
+#include <linux/mutex.h>
+#include <linux/delay.h>
+#include <linux/serial_8250.h>
+#include <linux/nospec.h>
+#include "smapi.h"
+#include "mwavedd.h"
+#include "3780i.h"
+#include "tp3780i.h"
+
+MODULE_DESCRIPTION("3780i Advanced Communications Processor (Mwave) driver");
+MODULE_AUTHOR("Mike Sullivan and Paul Schroeder");
+MODULE_LICENSE("GPL");
+
+/*
+* These parameters support the setting of MWave resources. Note that no
+* checks are made against other devices (ie. superio) for conflicts.
+* We'll depend on users using the tpctl utility to do that for now
+*/
+static DEFINE_MUTEX(mwave_mutex);
+int mwave_debug = 0;
+int mwave_3780i_irq = 0;
+int mwave_3780i_io = 0;
+int mwave_uart_irq = 0;
+int mwave_uart_io = 0;
+module_param(mwave_debug, int, 0);
+module_param_hw(mwave_3780i_irq, int, irq, 0);
+module_param_hw(mwave_3780i_io, int, ioport, 0);
+module_param_hw(mwave_uart_irq, int, irq, 0);
+module_param_hw(mwave_uart_io, int, ioport, 0);
+
+static int mwave_open(struct inode *inode, struct file *file);
+static int mwave_close(struct inode *inode, struct file *file);
+static long mwave_ioctl(struct file *filp, unsigned int iocmd,
+							unsigned long ioarg);
+
+MWAVE_DEVICE_DATA mwave_s_mdd;
+
+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;
+}
+
+static int mwave_close(struct inode *inode, struct file *file)
+{
+	unsigned int retval = 0;
+
+	PRINTK_3(TRACE_MWAVE,
+		"mwavedd::mwave_close, entry inode %p file %p\n",
+		 inode,  file);
+
+	PRINTK_2(TRACE_MWAVE, "mwavedd::mwave_close, exit retval %x\n",
+		retval);
+
+	return retval;
+}
+
+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;
+			}
+			ipcnum = array_index_nospec(ipcnum,
+						    ARRAY_SIZE(pDrvData->IPCs));
+			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;
+			}
+			ipcnum = array_index_nospec(ipcnum,
+						    ARRAY_SIZE(pDrvData->IPCs));
+			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;
+			}
+			ipcnum = array_index_nospec(ipcnum,
+						    ARRAY_SIZE(pDrvData->IPCs));
+			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;
+	} /* switch */
+
+	PRINTK_2(TRACE_MWAVE, "mwavedd::mwave_ioctl, exit retval %x\n", retval);
+
+	return retval;
+}
+
+
+static ssize_t mwave_read(struct file *file, char __user *buf, size_t count,
+                          loff_t * ppos)
+{
+	PRINTK_5(TRACE_MWAVE,
+		"mwavedd::mwave_read entry file %p, buf %p, count %zx ppos %p\n",
+		file, buf, count, ppos);
+
+	return -EINVAL;
+}
+
+
+static ssize_t mwave_write(struct file *file, const char __user *buf,
+                           size_t count, loff_t * ppos)
+{
+	PRINTK_5(TRACE_MWAVE,
+		"mwavedd::mwave_write entry file %p, buf %p,"
+		" count %zx ppos %p\n",
+		file, buf, count, ppos);
+
+	return -EINVAL;
+}
+
+
+static int register_serial_portandirq(unsigned int port, int irq)
+{
+	struct uart_8250_port uart;
+	
+	switch ( port ) {
+		case 0x3f8:
+		case 0x2f8:
+		case 0x3e8:
+		case 0x2e8:
+			/* OK */
+			break;
+		default:
+			PRINTK_ERROR(KERN_ERR_MWAVE
+					"mwavedd::register_serial_portandirq:"
+					" Error: Illegal port %x\n", port );
+			return -1;
+	} /* switch */
+	/* port is okay */
+
+	switch ( irq ) {
+		case 3:
+		case 4:
+		case 5:
+		case 7:
+			/* OK */
+			break;
+		default:
+			PRINTK_ERROR(KERN_ERR_MWAVE
+					"mwavedd::register_serial_portandirq:"
+					" Error: Illegal irq %x\n", irq );
+			return -1;
+	} /* switch */
+	/* irq is okay */
+
+	memset(&uart, 0, sizeof(uart));
+	
+	uart.port.uartclk =  1843200;
+	uart.port.iobase = port;
+	uart.port.irq = irq;
+	uart.port.iotype = UPIO_PORT;
+	uart.port.flags =  UPF_SHARE_IRQ;
+	return serial8250_register_8250_port(&uart);
+}
+
+
+static const struct file_operations mwave_fops = {
+	.owner		= THIS_MODULE,
+	.read		= mwave_read,
+	.write		= mwave_write,
+	.unlocked_ioctl	= mwave_ioctl,
+	.open		= mwave_open,
+	.release	= mwave_close,
+	.llseek		= default_llseek,
+};
+
+
+static struct miscdevice mwave_misc_dev = { MWAVE_MINOR, "mwave", &mwave_fops };
+
+#if 0 /* totally b0rked */
+/*
+ * sysfs support <paulsch@us.ibm.com>
+ */
+
+struct device mwave_device;
+
+/* Prevent code redundancy, create a macro for mwave_show_* functions. */
+#define mwave_show_function(attr_name, format_string, field)		\
+static ssize_t mwave_show_##attr_name(struct device *dev, struct device_attribute *attr, char *buf)	\
+{									\
+	DSP_3780I_CONFIG_SETTINGS *pSettings =				\
+		&mwave_s_mdd.rBDData.rDspSettings;			\
+        return sprintf(buf, format_string, pSettings->field);		\
+}
+
+/* All of our attributes are read attributes. */
+#define mwave_dev_rd_attr(attr_name, format_string, field)		\
+	mwave_show_function(attr_name, format_string, field)		\
+static DEVICE_ATTR(attr_name, S_IRUGO, mwave_show_##attr_name, NULL)
+
+mwave_dev_rd_attr (3780i_dma, "%i\n", usDspDma);
+mwave_dev_rd_attr (3780i_irq, "%i\n", usDspIrq);
+mwave_dev_rd_attr (3780i_io, "%#.4x\n", usDspBaseIO);
+mwave_dev_rd_attr (uart_irq, "%i\n", usUartIrq);
+mwave_dev_rd_attr (uart_io, "%#.4x\n", usUartBaseIO);
+
+static struct device_attribute * const mwave_dev_attrs[] = {
+	&dev_attr_3780i_dma,
+	&dev_attr_3780i_irq,
+	&dev_attr_3780i_io,
+	&dev_attr_uart_irq,
+	&dev_attr_uart_io,
+};
+#endif
+
+/*
+* mwave_init is called on module load
+*
+* mwave_exit is called on module unload
+* mwave_exit is also used to clean up after an aborted mwave_init
+*/
+static void mwave_exit(void)
+{
+	pMWAVE_DEVICE_DATA pDrvData = &mwave_s_mdd;
+
+	PRINTK_1(TRACE_MWAVE, "mwavedd::mwave_exit entry\n");
+
+#if 0
+	for (i = 0; i < pDrvData->nr_registered_attrs; i++)
+		device_remove_file(&mwave_device, mwave_dev_attrs[i]);
+	pDrvData->nr_registered_attrs = 0;
+
+	if (pDrvData->device_registered) {
+		device_unregister(&mwave_device);
+		pDrvData->device_registered = false;
+	}
+#endif
+
+	if ( pDrvData->sLine >= 0 ) {
+		serial8250_unregister_port(pDrvData->sLine);
+	}
+	if (pDrvData->bMwaveDevRegistered) {
+		misc_deregister(&mwave_misc_dev);
+	}
+	if (pDrvData->bDSPEnabled) {
+		tp3780I_DisableDSP(&pDrvData->rBDData);
+	}
+	if (pDrvData->bResourcesClaimed) {
+		tp3780I_ReleaseResources(&pDrvData->rBDData);
+	}
+	if (pDrvData->bBDInitialized) {
+		tp3780I_Cleanup(&pDrvData->rBDData);
+	}
+
+	PRINTK_1(TRACE_MWAVE, "mwavedd::mwave_exit exit\n");
+}
+
+module_exit(mwave_exit);
+
+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;
+}
+
+module_init(mwave_init);
+