Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 /*
  2  *
  3  * Copyright (c) 2003 by Karsten Wiese <annabellesgarden@yahoo.de>
  4  *
  5  *   This program is free software; you can redistribute it and/or modify
  6  *   it under the terms of the GNU General Public License as published by
  7  *   the Free Software Foundation; either version 2 of the License, or
  8  *   (at your option) any later version.
  9  *
 10  *   This program is distributed in the hope that it will be useful,
 11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 13  *   GNU General Public License for more details.
 14  *
 15  *   You should have received a copy of the GNU General Public License
 16  *   along with this program; if not, write to the Free Software
 17  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 18  */
 19 
 20 enum E_In84{
 21         eFader0 = 0,
 22         eFader1,
 23         eFader2,
 24         eFader3,
 25         eFader4,
 26         eFader5,
 27         eFader6,
 28         eFader7,
 29         eFaderM,
 30         eTransport,
 31         eModifier = 10,
 32         eFilterSelect,
 33         eSelect,
 34         eMute,
 35 
 36         eSwitch   = 15,
 37         eWheelGain,
 38         eWheelFreq,
 39         eWheelQ,
 40         eWheelPan,
 41         eWheel    = 20
 42 };
 43 
 44 #define T_RECORD   1
 45 #define T_PLAY     2
 46 #define T_STOP     4
 47 #define T_F_FWD    8
 48 #define T_REW   0x10
 49 #define T_SOLO  0x20
 50 #define T_REC   0x40
 51 #define T_NULL  0x80
 52 
 53 
 54 struct us428_ctls {
 55         unsigned char   Fader[9];
 56         unsigned char   Transport;
 57         unsigned char   Modifier;
 58         unsigned char   FilterSelect;
 59         unsigned char   Select;
 60         unsigned char   Mute;
 61         unsigned char   UNKNOWN;
 62         unsigned char   Switch;      
 63         unsigned char   Wheel[5];
 64 };
 65 
 66 struct us428_setByte {
 67         unsigned char Offset,
 68                 Value;
 69 };
 70 
 71 enum {
 72         eLT_Volume = 0,
 73         eLT_Light
 74 };
 75 
 76 struct usX2Y_volume {
 77         unsigned char Channel,
 78                 LH,
 79                 LL,
 80                 RH,
 81                 RL;
 82 };
 83 
 84 struct us428_lights {
 85         struct us428_setByte Light[7];
 86 };
 87 
 88 struct us428_p4out {
 89         char type;
 90         union {
 91                 struct usX2Y_volume vol;
 92                 struct us428_lights lights;
 93         } val;
 94 };
 95 
 96 #define N_us428_ctl_BUFS 16
 97 #define N_us428_p4out_BUFS 16
 98 struct us428ctls_sharedmem{
 99         struct us428_ctls       CtlSnapShot[N_us428_ctl_BUFS];
100         int                     CtlSnapShotDiffersAt[N_us428_ctl_BUFS];
101         int                     CtlSnapShotLast, CtlSnapShotRed;
102         struct us428_p4out      p4out[N_us428_p4out_BUFS];
103         int                     p4outLast, p4outSent;
104 };
105 
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