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Diffstat (limited to 'drivers/char/mwave/mwavedd.c')
-rw-r--r--drivers/char/mwave/mwavedd.c674
1 files changed, 674 insertions, 0 deletions
diff --git a/drivers/char/mwave/mwavedd.c b/drivers/char/mwave/mwavedd.c
new file mode 100644
index 0000000..d37625d
--- /dev/null
+++ b/drivers/char/mwave/mwavedd.c
@@ -0,0 +1,674 @@
+/*
+*
+* 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/delay.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
+*/
+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(mwave_3780i_irq, int, 0);
+module_param(mwave_3780i_io, int, 0);
+module_param(mwave_uart_irq, int, 0);
+module_param(mwave_uart_io, int, 0);
+
+static int mwave_open(struct inode *inode, struct file *file);
+static int mwave_close(struct inode *inode, struct file *file);
+static int mwave_ioctl(struct inode *inode, 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 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;
+ void __user *arg = (void __user *)ioarg;
+
+ PRINTK_5(TRACE_MWAVE,
+ "mwavedd::mwave_ioctl, entry inode %p file %p cmd %x arg %x\n",
+ inode, 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(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);
+ retval = tp3780I_ReadWriteDspDStore(&pDrvData->rBDData,
+ iocmd,
+ pusBuffer,
+ rReadData.ulDataLength,
+ rReadData.usDspAddress);
+ }
+ 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);
+ retval = tp3780I_ReadWriteDspDStore(&pDrvData->rBDData,
+ iocmd, pusBuffer,
+ rReadData.ulDataLength / 2,
+ rReadData.usDspAddress);
+ }
+ 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);
+ retval = tp3780I_ReadWriteDspDStore(&pDrvData->rBDData,
+ iocmd, pusBuffer,
+ rWriteData.ulDataLength,
+ rWriteData.usDspAddress);
+ }
+ 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);
+ 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 > ARRAY_SIZE(pDrvData->IPCs)) {
+ 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;
+
+ 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;
+
+ PRINTK_3(TRACE_MWAVE,
+ "mwavedd::mwave_ioctl IOCTL_MW_GET_IPC"
+ " ipcnum %x, usIntCount %x\n",
+ ipcnum,
+ pDrvData->IPCs[ipcnum].usIntCount);
+ 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;
+ }
+
+ 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);
+ }
+ }
+ 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;
+ }
+ 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 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 serial_struct serial;
+
+ 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(&serial, 0, sizeof(serial));
+ serial.port = port;
+ serial.irq = irq;
+ serial.flags = ASYNC_SHARE_IRQ;
+
+ return register_serial(&serial);
+}
+
+
+static struct file_operations mwave_fops = {
+ .owner = THIS_MODULE,
+ .read = mwave_read,
+ .write = mwave_write,
+ .ioctl = mwave_ioctl,
+ .open = mwave_open,
+ .release = mwave_close
+};
+
+
+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, 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 ) {
+ unregister_serial(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));
+ snprintf(mwave_device.bus_id, BUS_ID_SIZE, "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);
+
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