workbench/devs/AHI/Drivers/CMI8738/DriverData.h

   1 /*
   2 The contents of this file are subject to the AROS Public License Version 1.1 (the "License");
   3 you may not use this file except in compliance with the License. You may obtain a copy of the License at
   4 http://www.aros.org/license.html
   5 Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF
   6 ANY KIND, either express or implied. See the License for the specific language governing rights and
   7 limitations under the License.
   8
   9 The Original Code is written by Davy Wentzler.
  10 */
  11
  12 #ifndef AHI_Drivers_Card_DriverData_h
  13 #define AHI_Drivers_Card_DriverData_h
  14
  15 #include <exec/types.h>
  16 #include <exec/interrupts.h>
  17 #include <devices/ahi.h>
  18
  19 #define DRIVER "cmi8738.audio"
  20 #define DRIVER_NEED_GLOBAL_EXECBASE
  21 #include "DriverBase.h"
  22
  23 struct CardData;
  24
  25 struct tester
  26 {
  27     unsigned long diff;
  28     int flip;
  29     int oldflip;
  30     int A;
  31     int Missed;
  32 };
  33
  34 struct CardBase
  35 {
  36     /** Skeleton's variables *************************************************/
  37
  38     struct DriverBase      driverbase;
  39
  40
  41     /** A sempahore used for locking */
  42     struct SignalSemaphore semaphore;
  43
  44     /** The number of cards found */
  45     int                    cards_found;
  46
  47     /** A CardData structure for each card found */
  48     struct CardData**   driverdatas;
  49 };
  50
  51 #define RECORD_BUFFER_SAMPLES     1024
  52
  53
  54 struct CardData
  55 {
  56     /*** PCI/Card initialization progress *********************************/
  57
  58     struct PCIDevice    *pci_dev;
  59         unsigned long       iobase;
  60         unsigned long           length;
  61         unsigned short          model;
  62     unsigned char       chiprev;
  63         unsigned int        irq;
  64
  65     /** TRUE if bus mastering is activated */
  66     BOOL                pci_master_enabled;
  67
  68     /** TRUE if the Card chip has been initialized */
  69     BOOL                card_initialized;
  70
  71
  72
  73     /*** The driverbase ******************************************************/
  74
  75     /** This field is also used as a lock and access to is is
  76      * semaphore protected. */
  77     struct DriverBase*  ahisubbase;
  78
  79
  80     /*** The AudioCtrl currently using this DriverData structure *************/
  81
  82     struct AHIAudioCtrlDrv* audioctrl;
  83
  84
  85
  86     /*** Playback/recording interrupts ***************************************/
  87
  88     /** TRUE when playback is enabled */
  89     BOOL                is_playing;
  90
  91     /** TRUE when recording is enabled */
  92     BOOL                is_recording;
  93
  94     /** The main (hardware) interrupt */
  95     struct Interrupt    interrupt;
  96
  97     /** TRUE if the hardware interrupt has been added to the PCI subsystem */
  98     BOOL                interrupt_added;
  99
 100     /** The playback software interrupt */
 101     struct Interrupt    playback_interrupt;
 102
 103     /** TRUE if the hardware interrupt may Cause() playback_interrupt */
 104     BOOL                playback_interrupt_enabled;
 105
 106     /** The recording software interrupt */
 107     struct Interrupt    record_interrupt;
 108
 109     /** TRUE if the hardware interrupt may Cause() playback_interrupt */
 110     BOOL                record_interrupt_enabled;
 111
 112
 113
 114     /*** CAMD support functions **********************************************/
 115
 116     /** CAMD transmitter function wrapped as a Hook */
 117     struct Hook*        camd_transmitfunc;
 118
 119     /** CAMD receiver function wrapped as a Hook */
 120     struct Hook*        camd_receivefunc;
 121
 122     /** True if CMAD V40 mode */
 123     ULONG               camd_v40;
 124
 125
 126
 127     /*** Playback interrupt variables ****************************************/
 128
 129     APTR                playback_buffer;
 130     APTR                playback_buffer_nonaligned;
 131     APTR                playback_buffer_phys;
 132
 133     /** The mixing buffer (a cyclic buffer filled by AHI) */
 134     APTR                mix_buffer;
 135
 136     /** The length of each playback buffer in sample frames */
 137     ULONG               current_frames;
 138
 139     /** The length of each playback buffer in sample bytes */
 140     ULONG               current_bytesize;
 141
 142     /** Where (inside the cyclic buffer) we're currently writing */
 143     APTR                current_buffer;
 144
 145     int                 flip;
 146     int                 oldflip;
 147
 148
 149
 150     /*** Recording interrupt variables ***************************************/
 151
 152     /** The recording buffer (simple double buffering is used */
 153     APTR                record_buffer;
 154     APTR                record_buffer_nonaligned;
 155     APTR                record_buffer_phys;
 156
 157     /** Were (inside the recording buffer) the current data is */
 158     APTR                current_record_buffer;
 159
 160     /** The length of each record buffer in sample bytes */
 161     ULONG               current_record_bytesize;
 162
 163     int                 recflip;
 164
 165
 166
 167     /** Analog mixer variables ***********************************************/
 168
 169     unsigned char       mixerstate;
 170
 171
 172     /** The currently selected input */
 173     UWORD               input;
 174
 175     /** The currently selected output */
 176     UWORD               output;
 177
 178     /** The current (recording) monitor volume */
 179     Fixed               monitor_volume;
 180
 181     /** The current (recording) input gain */
 182     Fixed               input_gain;
 183
 184     /** The current (playback) output volume */
 185     Fixed               output_volume;
 186
 187     /** The hardware register value corresponding to monitor_volume */
 188     UWORD               monitor_volume_bits;
 189
 190     /** The hardware register value corresponding to input_gain */
 191     UWORD               input_gain_bits;
 192
 193     /** The hardware register value corresponding to output_volume */
 194     UWORD               output_volume_bits;
 195
 196     /** Saved state for AC97 mike */
 197     UWORD               ac97_mic;
 198
 199     /** Saved state for AC97 cd */
 200     UWORD               ac97_cd;
 201
 202     /** Saved state for AC97 vide */
 203     UWORD               ac97_video;
 204
 205     /** Saved state for AC97 aux */
 206     UWORD               ac97_aux;
 207
 208     /** Saved state for AC97 line in */
 209     UWORD               ac97_linein;
 210
 211     /** Saved state for AC97 phone */
 212     UWORD               ac97_phone;
 213 };
 214
 215 #endif /* AHI_Drivers_Card_DriverData_h */