1 /*******************************************************************************
3 * "cs4281_wrapper.c" -- Cirrus Logic-Crystal CS4281 linux audio driver.
5 * Copyright (C) 2000,2001 Cirrus Logic Corp.
6 * -- tom woller (twoller@crystal.cirrus.com) or
7 * (audio@crystal.cirrus.com).
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 * 12/20/00 trw - new file.
25 *******************************************************************************/
27 #include <linux/spinlock.h>
29 static int cs4281_resume_null(struct pci_dev *pcidev) { return 0; }
30 static int cs4281_suspend_null(struct pci_dev *pcidev, pm_message_t state) { return 0; }
32 #define free_dmabuf(state, dmabuf) \
33 pci_free_consistent(state->pcidev, \
34 PAGE_SIZE << (dmabuf)->buforder, \
35 (dmabuf)->rawbuf, (dmabuf)->dmaaddr);
36 #define free_dmabuf2(state, dmabuf) \
37 pci_free_consistent((state)->pcidev, \
38 PAGE_SIZE << (state)->buforder_tmpbuff, \
39 (state)->tmpbuff, (state)->dmaaddr_tmpbuff);
40 #define cs4x_pgoff(vma) ((vma)->vm_pgoff)