- Visual C++源码
- Visual Basic源码
- C++ Builder源码
- Java源码
- Delphi源码
- C/C++源码
- PHP源码
- Perl源码
- Python源码
- Asm源码
- Pascal源码
- Borland C++源码
- Others源码
- SQL源码
- VBScript源码
- JavaScript源码
- ASP/ASPX源码
- C#源码
- Flash/ActionScript源码
- matlab源码
- PowerBuilder源码
- LabView源码
- Flex源码
- MathCAD源码
- VBA源码
- IDL源码
- Lisp/Scheme源码
- VHDL源码
- Objective-C源码
- Fortran源码
- tcl/tk源码
- QT源码
cs4281_wrapper.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:2k
源码类别:
Linux/Unix编程
开发平台:
Unix_Linux
- /*******************************************************************************
- *
- * "cs4281_wrapper.h" -- Cirrus Logic-Crystal CS4281 linux audio driver.
- *
- * Copyright (C) 2000,2001 Cirrus Logic Corp.
- * -- tom woller (twoller@crystal.cirrus.com) or
- * (audio@crystal.cirrus.com).
- *
- * 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.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * 12/22/00 trw - new file.
- * 04/18/01 trw - rework entire wrapper logic.
- *
- *******************************************************************************/
- #ifndef __CS4281_WRAPPER_H
- #define __CS4281_WRAPPER_H
- /* 2.4.x wrapper */
- #if LINUX_VERSION_CODE > KERNEL_VERSION(2,4,9)
- static int cs4281_null_suspend(struct pci_dev *pcidev, u32 unused) { return 0; }
- static int cs4281_null_resume(struct pci_dev *pcidev) { return 0; }
- #else
- #define no_llseek cs4281_llseek
- static loff_t cs4281_llseek(struct file *file, loff_t offset, int origin)
- {
- return -ESPIPE;
- }
- void cs4281_null_suspend(struct pci_dev *pcidev) { return; }
- void cs4281_null_resume(struct pci_dev *pcidev) { return; }
- #endif
- #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,3)
- /* Some versions of 2.4.2 resolve pci_set_dma_mask and some do not...
- * but 2.4.0 definitely does not
- */
- #define pci_set_dma_mask(dev,data) 0;
- #else
- #endif
- #define cs4x_mem_map_reserve(page) mem_map_reserve(page)
- #define cs4x_mem_map_unreserve(page) mem_map_unreserve(page)
- #endif /* #ifndef __CS4281_WRAPPER_H */