workbench/devs/AHI/Drivers/VIA-AC97/DriverData.h

   1 /*
   2     Copyright © 2005-2013, Davy Wentzler. All rights reserved.
   3     Copyright © 2010-2013, The AROS Development Team. All rights reserved.
   4     $Id$
   5 */
   6
   7 #ifndef AHI_Drivers_VIAAC97_DriverData_h
   8 #define AHI_Drivers_VIAAC97_DriverData_h
   9
  10 #include <exec/types.h>
  11 #include <exec/interrupts.h>
  12 #include <devices/ahi.h>
  13
  14 #include "hwaccess.h"
  15
  16 /** Make the common library code initialize a global SysBase for us.
  17     It's required for hwaccess.c */
  18
  19 #define DRIVER_NEEDS_GLOBAL_EXECBASE
  20 #include "DriverBase.h"
  21
  22 struct CardData;
  23
  24 struct CardBase
  25 {
  26     /** Skeleton's variables *************************************************/
  27
  28     struct DriverBase      driverbase;
  29
  30
  31     /** The driver's global data *********************************************/
  32
  33
  34     /** A sempahore used for locking */
  35     struct SignalSemaphore semaphore;
  36
  37     /** The number of cards found */
  38     int                    cards_found;
  39
  40     /** A CardData structure for each card found */
  41     struct CardData**   driverdatas;
  42 };
  43
  44 #define DRIVERBASE_SIZEOF (sizeof (struct CardBase))
  45
  46 #define RECORD_BUFFER_SAMPLES     4096
  47 #define RECORD_BUFFER_SIZE_VALUE  ADCBS_BUFSIZE_16384
  48
  49
  50 struct snd_dma_device {
  51         int type;                       /* SNDRV_DMA_TYPE_XXX */
  52 //      struct device *dev;             /* generic device */
  53 };
  54
  55 struct snd_dma_buffer {
  56         struct snd_dma_device dev;      /* device type */
  57         unsigned char *area;    /* virtual pointer */
  58         void *addr;     /* physical address */
  59         int bytes;              /* buffer size in bytes */
  60         void *private_data;     /* private for allocator; don't touch */
  61 };
  62
  63 struct snd_via_sg_table { // scatter/gather format. Oh joy, the docs talk about EOL, base counts etc...
  64         APTR offset;
  65         unsigned int size;
  66 };
  67
  68 struct CardData
  69 {
  70
  71     struct PCIDevice                    *pci_dev;
  72         unsigned long           iobase;
  73         unsigned long           length;
  74         unsigned short          model;
  75         unsigned int irq;
  76     int flip;
  77     int recflip;
  78     UBYTE chiprev;
  79
  80     struct snd_dma_buffer table;
  81     struct snd_via_sg_table *play_idx_table;
  82     struct snd_via_sg_table *rec_idx_table;
  83
  84     APTR play_idx_table_nonaligned;
  85     APTR rec_idx_table_nonaligned;
  86
  87     /*** PCI/Card initialization progress *********************************/
  88
  89     /** TRUE if bus mastering is activated */
  90     BOOL                pci_master_enabled;
  91
  92     /** TRUE if the Card chip has been initialized */
  93     BOOL                card_initialized;
  94
  95     /*** The driverbase ******************************************************/
  96
  97     /** This field is also used as a lock and access to is is
  98      * semaphore protected. */
  99     struct DriverBase*  ahisubbase;
 100
 101     /*** The AudioCtrl currently using this DriverData structure *************/
 102
 103     struct AHIAudioCtrlDrv* audioctrl;
 104
 105     /*** Playback/recording interrupts ***************************************/
 106
 107     /** TRUE when playback is enabled */
 108     BOOL                is_playing;
 109
 110     /** TRUE when recording is enabled */
 111     BOOL                is_recording;
 112
 113     /** The main (hardware) interrupt */
 114     struct Interrupt    interrupt;
 115
 116     /** TRUE if the hardware interrupt has been added to the PCI subsystem */
 117     BOOL                interrupt_added;
 118
 119     /** The playback software interrupt */
 120     struct Interrupt    playback_interrupt;
 121
 122     /** TRUE if the hardware interrupt may Cause() playback_interrupt */
 123     BOOL                playback_interrupt_enabled;
 124
 125     /** The recording software interrupt */
 126     struct Interrupt    record_interrupt;
 127
 128     /** TRUE if the hardware interrupt may Cause() playback_interrupt */
 129     BOOL                record_interrupt_enabled;
 130
 131     /** The reset handler */
 132     struct Interrupt    reset_handler;
 133
 134     /** TRUE if the reset handler has been added to the system */
 135     BOOL                reset_handler_added;
 136
 137     /*** CAMD support functions **********************************************/
 138
 139     /** CAMD transmitter function wrapped as a Hook */
 140     struct Hook*        camd_transmitfunc;
 141
 142     /** CAMD receiver function wrapped as a Hook */
 143     struct Hook*        camd_receivefunc;
 144
 145     /** True if CMAD V40 mode */
 146     ULONG               camd_v40;
 147
 148     /*** Card structures **************************************************/
 149
 150     APTR                playback_buffer1;
 151     APTR                playback_buffer2;
 152     APTR                playback_buffer1_nonaligned;
 153     APTR                playback_buffer2_nonaligned;
 154
 155
 156     /*** Playback interrupt variables ****************************************/
 157
 158     /** The mixing buffer (a cyclic buffer filled by AHI) */
 159     APTR                mix_buffer;
 160
 161     /** The length of each playback buffer in sample frames */
 162     ULONG               current_frames;
 163
 164     /** The length of each playback buffer in sample bytes */
 165     ULONG               current_bytesize;
 166
 167     /** Where (inside the cyclic buffer) we're currently writing */
 168     APTR                current_buffer;
 169
 170
 171
 172     /*** Recording interrupt variables ***************************************/
 173
 174     /** The recording buffer (simple double buffering is used */
 175     APTR                record_buffer1;
 176     APTR                record_buffer2;
 177     APTR                record_buffer1_nonaligned;
 178     APTR                record_buffer2_nonaligned;
 179
 180     /** Were (inside the recording buffer) the current data is */
 181     APTR                current_record_buffer;
 182
 183     /** The length of each record buffer in sample bytes */
 184     ULONG               current_record_bytesize;
 185
 186     /** Analog mixer variables ***********************************************/
 187
 188     /** The currently selected input */
 189     UWORD               input;
 190
 191     /** The currently selected output */
 192     UWORD               output;
 193
 194     /** The current (recording) monitor volume */
 195     Fixed               monitor_volume;
 196
 197     /** The current (recording) input gain */
 198     Fixed               input_gain;
 199
 200     /** The current (playback) output volume */
 201     Fixed               output_volume;
 202
 203     /** The hardware register value corresponding to monitor_volume */
 204     UWORD               monitor_volume_bits;
 205
 206     /** The hardware register value corresponding to input_gain */
 207     UWORD               input_gain_bits;
 208
 209     /** The hardware register value corresponding to output_volume */
 210     UWORD               output_volume_bits;
 211
 212     /** Saved state for AC97 mike */
 213     UWORD               ac97_mic;
 214
 215     /** Saved state for AC97 cd */
 216     UWORD               ac97_cd;
 217
 218     /** Saved state for AC97 vide */
 219     UWORD               ac97_video;
 220
 221     /** Saved state for AC97 aux */
 222     UWORD               ac97_aux;
 223
 224     /** Saved state for AC97 line in */
 225     UWORD               ac97_linein;
 226
 227     /** Saved state for AC97 phone */
 228     UWORD               ac97_phone;
 229 };
 230
 231 #endif /* AHI_Drivers_VIAAC97_DriverData_h */