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_CMI8738_DriverData_h
  13 #define AHI_Drivers_CMI8738_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_NEEDS_GLOBAL_EXECBASE
  21
  22 #ifdef __AROS__
  23 #define DRIVER_NEED_GLOBAL_EXECBASE
  24 #endif
  25
  26 #ifdef __amigaos4__
  27 #define DRIVER_NEED_GLOBAL_EXECBASE
  28 #endif
  29
  30 #include "DriverBase.h"
  31
  32 struct CMI8738_DATA;
  33
  34 struct tester
  35 {
  36     unsigned long diff;
  37     int flip;
  38     int oldflip;
  39     int A;
  40     int Missed;
  41 };
  42
  43 struct CMI8738Base
  44 {
  45     /** Skeleton's variables *************************************************/
  46
  47     struct DriverBase      driverbase;
  48
  49
  50     /** A sempahore used for locking */
  51     struct SignalSemaphore semaphore;
  52
  53     /** The number of cards found */
  54     int                    cards_found;
  55
  56     /** A CMI8738_DATA structure for each card found */
  57     struct CMI8738_DATA**   driverdatas;
  58 };
  59
  60 #define DRIVERBASE_SIZEOF (sizeof (struct CMI8738Base))
  61
  62 #define RECORD_BUFFER_SAMPLES     1024
  63
  64
  65 struct CMI8738_DATA
  66 {
  67     /*** PCI/Card initialization progress *********************************/
  68
  69     struct PCIDevice    *pci_dev;
  70     APTR                iobase;
  71     unsigned long       length;
  72     unsigned short      model;
  73     unsigned char       chiprev;
  74     unsigned char       chipvers;
  75     unsigned int        channels;
  76     unsigned int        irq;
  77
  78     /** TRUE if bus mastering is activated */
  79     BOOL                pci_master_enabled;
  80
  81     /** TRUE if the Card chip has been initialized */
  82     BOOL                card_initialized;
  83
  84
  85
  86     /*** The driverbase ******************************************************/
  87
  88     /** This field is also used as a lock and access to is is
  89      * semaphore protected. */
  90     struct DriverBase*  ahisubbase;
  91
  92
  93     /*** The AudioCtrl currently using this DriverData structure *************/
  94
  95     struct AHIAudioCtrlDrv* audioctrl;
  96
  97
  98
  99     /*** Playback/recording interrupts ***************************************/
 100
 101     /** TRUE when playback is enabled */
 102     BOOL                is_playing;
 103
 104     /** TRUE when recording is enabled */
 105     BOOL                is_recording;
 106
 107     /** The main (hardware) interrupt */
 108     struct Interrupt    interrupt;
 109
 110     /** TRUE if the hardware interrupt has been added to the PCI subsystem */
 111     BOOL                interrupt_added;
 112
 113     /** The playback software interrupt */
 114     struct Interrupt    playback_interrupt;
 115
 116     /** TRUE if the hardware interrupt may Cause() playback_interrupt */
 117     BOOL                playback_interrupt_enabled;
 118
 119     /** The recording software interrupt */
 120     struct Interrupt    record_interrupt;
 121
 122     /** TRUE if the hardware interrupt may Cause() playback_interrupt */
 123     BOOL                record_interrupt_enabled;
 124
 125
 126
 127     /*** CAMD support functions **********************************************/
 128
 129     /** CAMD transmitter function wrapped as a Hook */
 130     struct Hook*        camd_transmitfunc;
 131
 132     /** CAMD receiver function wrapped as a Hook */
 133     struct Hook*        camd_receivefunc;
 134
 135     /** True if CMAD V40 mode */
 136     ULONG               camd_v40;
 137
 138
 139
 140     /*** Playback interrupt variables ****************************************/
 141
 142     APTR                playback_buffer;
 143     APTR                playback_buffer_nonaligned;
 144     APTR                playback_buffer_phys;
 145
 146     /** The mixing buffer (a cyclic buffer filled by AHI) */
 147     APTR                mix_buffer;
 148
 149     /** The length of each playback buffer in sample frames */
 150     ULONG               current_frames;
 151
 152     /** The length of each playback buffer in sample bytes */
 153     ULONG               current_bytesize;
 154
 155     /** Where (inside the cyclic buffer) we're currently writing */
 156     APTR                current_buffer;
 157
 158     int                 flip;
 159     int                 oldflip;
 160
 161
 162
 163     /*** Recording interrupt variables ***************************************/
 164
 165     /** The recording buffer (simple double buffering is used */
 166     APTR                record_buffer;
 167     APTR                record_buffer_nonaligned;
 168     APTR                record_buffer_phys;
 169
 170     /** Were (inside the recording buffer) the current data is */
 171     APTR                current_record_buffer;
 172
 173     /** The length of each record buffer in sample bytes */
 174     ULONG               current_record_bytesize;
 175
 176     int                 recflip;
 177
 178
 179
 180     /** Analog mixer variables ***********************************************/
 181
 182     unsigned char       mixerstate;
 183
 184
 185     /** The currently selected input */
 186     UWORD               input;
 187
 188     /** The currently selected output */
 189     UWORD               output;
 190
 191     /** The current (recording) monitor volume */
 192     Fixed               monitor_volume;
 193
 194     /** The current (recording) input gain */
 195     Fixed               input_gain;
 196
 197     /** The current (playback) output volume */
 198     Fixed               output_volume;
 199
 200     /** The hardware register value corresponding to monitor_volume */
 201     UWORD               monitor_volume_bits;
 202
 203     /** The hardware register value corresponding to input_gain */
 204     UWORD               input_gain_bits;
 205
 206     /** The hardware register value corresponding to output_volume */
 207     UWORD               output_volume_bits;
 208
 209     /** Saved state for AC97 mike */
 210     UWORD               ac97_mic;
 211
 212     /** Saved state for AC97 cd */
 213     UWORD               ac97_cd;
 214
 215     /** Saved state for AC97 vide */
 216     UWORD               ac97_video;
 217
 218     /** Saved state for AC97 aux */
 219     UWORD               ac97_aux;
 220
 221     /** Saved state for AC97 line in */
 222     UWORD               ac97_linein;
 223
 224     /** Saved state for AC97 phone */
 225     UWORD               ac97_phone;
 226 };
 227
 228 #endif /* AHI_Drivers_CMI8738_DriverData_h */