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_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 int        irq;
  75
  76     /** TRUE if bus mastering is activated */
  77     BOOL                pci_master_enabled;
  78
  79     /** TRUE if the Card chip has been initialized */
  80     BOOL                card_initialized;
  81
  82
  83
  84     /*** The driverbase ******************************************************/
  85
  86     /** This field is also used as a lock and access to is is
  87      * semaphore protected. */
  88     struct DriverBase*  ahisubbase;
  89
  90
  91     /*** The AudioCtrl currently using this DriverData structure *************/
  92
  93     struct AHIAudioCtrlDrv* audioctrl;
  94
  95
  96
  97     /*** Playback/recording interrupts ***************************************/
  98
  99     /** TRUE when playback is enabled */
 100     BOOL                is_playing;
 101
 102     /** TRUE when recording is enabled */
 103     BOOL                is_recording;
 104
 105     /** The main (hardware) interrupt */
 106     struct Interrupt    interrupt;
 107
 108     /** TRUE if the hardware interrupt has been added to the PCI subsystem */
 109     BOOL                interrupt_added;
 110
 111     /** The playback software interrupt */
 112     struct Interrupt    playback_interrupt;
 113
 114     /** TRUE if the hardware interrupt may Cause() playback_interrupt */
 115     BOOL                playback_interrupt_enabled;
 116
 117     /** The recording software interrupt */
 118     struct Interrupt    record_interrupt;
 119
 120     /** TRUE if the hardware interrupt may Cause() playback_interrupt */
 121     BOOL                record_interrupt_enabled;
 122
 123
 124
 125     /*** CAMD support functions **********************************************/
 126
 127     /** CAMD transmitter function wrapped as a Hook */
 128     struct Hook*        camd_transmitfunc;
 129
 130     /** CAMD receiver function wrapped as a Hook */
 131     struct Hook*        camd_receivefunc;
 132
 133     /** True if CMAD V40 mode */
 134     ULONG               camd_v40;
 135
 136
 137
 138     /*** Playback interrupt variables ****************************************/
 139
 140     APTR                playback_buffer;
 141     APTR                playback_buffer_nonaligned;
 142     APTR                playback_buffer_phys;
 143
 144     /** The mixing buffer (a cyclic buffer filled by AHI) */
 145     APTR                mix_buffer;
 146
 147     /** The length of each playback buffer in sample frames */
 148     ULONG               current_frames;
 149
 150     /** The length of each playback buffer in sample bytes */
 151     ULONG               current_bytesize;
 152
 153     /** Where (inside the cyclic buffer) we're currently writing */
 154     APTR                current_buffer;
 155
 156     int                 flip;
 157     int                 oldflip;
 158
 159
 160
 161     /*** Recording interrupt variables ***************************************/
 162
 163     /** The recording buffer (simple double buffering is used */
 164     APTR                record_buffer;
 165     APTR                record_buffer_nonaligned;
 166     APTR                record_buffer_phys;
 167
 168     /** Were (inside the recording buffer) the current data is */
 169     APTR                current_record_buffer;
 170
 171     /** The length of each record buffer in sample bytes */
 172     ULONG               current_record_bytesize;
 173
 174     int                 recflip;
 175
 176
 177
 178     /** Analog mixer variables ***********************************************/
 179
 180     unsigned char       mixerstate;
 181
 182
 183     /** The currently selected input */
 184     UWORD               input;
 185
 186     /** The currently selected output */
 187     UWORD               output;
 188
 189     /** The current (recording) monitor volume */
 190     Fixed               monitor_volume;
 191
 192     /** The current (recording) input gain */
 193     Fixed               input_gain;
 194
 195     /** The current (playback) output volume */
 196     Fixed               output_volume;
 197
 198     /** The hardware register value corresponding to monitor_volume */
 199     UWORD               monitor_volume_bits;
 200
 201     /** The hardware register value corresponding to input_gain */
 202     UWORD               input_gain_bits;
 203
 204     /** The hardware register value corresponding to output_volume */
 205     UWORD               output_volume_bits;
 206
 207     /** Saved state for AC97 mike */
 208     UWORD               ac97_mic;
 209
 210     /** Saved state for AC97 cd */
 211     UWORD               ac97_cd;
 212
 213     /** Saved state for AC97 vide */
 214     UWORD               ac97_video;
 215
 216     /** Saved state for AC97 aux */
 217     UWORD               ac97_aux;
 218
 219     /** Saved state for AC97 line in */
 220     UWORD               ac97_linein;
 221
 222     /** Saved state for AC97 phone */
 223     UWORD               ac97_phone;
 224 };
 225
 226 #endif /* AHI_Drivers_Card_DriverData_h */