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