1 /* 2 * HWDEP Interface for HD-audio codec 3 * 4 * Copyright (c) 2007 Takashi Iwai <tiwai@suse.de> 5 * 6 * This driver is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This driver is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 */ 20 21 #ifndef __SOUND_HDA_HWDEP_H 22 #define __SOUND_HDA_HWDEP_H 23 24 #define HDA_HWDEP_VERSION ((1 << 16) | (0 << 8) | (0 << 0)) /* 1.0.0 */ 25 26 /* verb */ 27 #define HDA_REG_NID_SHIFT 24 28 #define HDA_REG_VERB_SHIFT 8 29 #define HDA_REG_VAL_SHIFT 0 30 #define HDA_VERB(nid,verb,param) ((nid)<<24 | (verb)<<8 | (param)) 31 32 struct hda_verb_ioctl { 33 u32 verb; /* HDA_VERB() */ 34 u32 res; /* response */ 35 }; 36 37 /* 38 * ioctls 39 */ 40 #define HDA_IOCTL_PVERSION _IOR('H', 0x10, int) 41 #define HDA_IOCTL_VERB_WRITE _IOWR('H', 0x11, struct hda_verb_ioctl) 42 #define HDA_IOCTL_GET_WCAP _IOWR('H', 0x12, struct hda_verb_ioctl) 43 44 #endif 45