| /* |
| * |
| * 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, 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 ) { |
| 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); |
| |