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

   1 #ifndef AHI_Drivers_Card_DriverData_h
   2 #define AHI_Drivers_Card_DriverData_h
   3
   4 #include <exec/types.h>
   5 #include <exec/interrupts.h>
   6 #include <devices/ahi.h>
   7
   8
   9 /** Make the common library code initialize a global SysBase for us.
  10     It's required for hwaccess.c */
  11
  12 #define DRIVER "hdaudio.audio"
  13 #define DRIVER_NEEDS_GLOBAL_EXECBASE
  14 #define INPUTS 5
  15
  16 #ifdef __AROS__
  17 #define DRIVER_NEED_GLOBAL_EXECBASE
  18 #endif
  19
  20 #ifdef __amigaos4__
  21 #define DRIVER_NEED_GLOBAL_EXECBASE
  22 #endif
  23
  24 #include "DriverBase.h"
  25
  26 struct HDAudioChip;
  27
  28 struct HDAudioBase
  29 {
  30     struct DriverBase      driverbase;
  31
  32
  33     /** A sempahore used for locking */
  34     struct SignalSemaphore semaphore;
  35
  36     /** The number of cards found */
  37     int                    cards_found;
  38
  39     /** A HDAudioChip structure for each card found */
  40     struct HDAudioChip**   driverdatas;
  41 };
  42
  43 #define DRIVERBASE_SIZEOF (sizeof (struct HDAudioBase))
  44
  45 #define RECORD_BUFFER_SAMPLES     1024
  46 #define RECORD_BUFFER_SIZE_VALUE  ADCBS_BUFSIZE_4096
  47
  48
  49
  50 struct BDLE // Buffer Descriptor List (3.6.2)
  51 {
  52     ULONG lower_address; // address for 32-bit systems
  53     ULONG upper_address; // only for use with 64-bit systems
  54     ULONG length; // in bytes
  55     ULONG reserved_ioc; // bit 0 is Interrupt on Completion
  56 };
  57
  58 struct Stream
  59 {
  60     struct BDLE *bdl;
  61     APTR bdl_nonaligned;
  62     APTR *bdl_nonaligned_addresses;
  63
  64     ULONG sd_reg_offset; // 3.3.35 offset 0x80 + (ISS) * 0x20
  65     ULONG index;
  66     ULONG tag; // index + 1
  67     UWORD fifo_size;
  68 };
  69
  70
  71 // Verb - Set Converter Format (Verb ID=2h)
  72 struct Freq
  73 {
  74     ULONG frequency;
  75     UBYTE base44100; // 1 if base= 44.1kHz, 0 if base=48kHz
  76     UBYTE mult; // multiplier 3 bits
  77     UBYTE div; // divisor 3 bits
  78 };
  79
  80
  81
  82 struct HDAudioChip
  83 {
  84     struct PCIDevice *pci_dev;
  85     APTR iobase;
  86     unsigned long length;
  87     unsigned short model;
  88     unsigned int irq;
  89     int flip;
  90     int recflip;
  91     unsigned char chiprev;
  92
  93     UWORD codecbits;
  94     UWORD codecnr;
  95
  96     ULONG *corb;
  97     ULONG corb_entries;
  98     ULONG *rirb;
  99     ULONG rirb_entries;
 100     ULONG rirb_rp; // software read pointer
 101     LONG rirb_irq;
 102
 103     APTR dma_position_buffer;
 104
 105     struct Stream *streams;
 106     UBYTE nr_of_streams;
 107     UBYTE nr_of_input_streams;
 108     UBYTE nr_of_output_streams;
 109
 110     // important node ID's
 111     UBYTE dac_nid; // front L&R
 112     UBYTE adc_nid;
 113     UBYTE adc_mixer_nid;
 114     BOOL adc_mixer_is_mux;
 115     UBYTE dac_volume_nid;
 116     UBYTE speaker_nid;
 117     UBYTE headphone_nid;
 118     BOOL speaker_active;
 119
 120
 121     UBYTE line_in_nid;
 122     UBYTE mic1_nid;
 123     UBYTE mic2_nid;
 124     UBYTE cd_nid;
 125
 126     UBYTE adc_mixer_indices[5]; //0 = Line in, 1 = Mic in 1, 2 = Mic in 2, 3 = CD, 4 = Monitor Mixer
 127
 128     float adc_min_gain;
 129     float adc_max_gain;
 130     float adc_step_gain;
 131     float dac_min_gain;
 132     float dac_max_gain;
 133     float dac_step_gain;
 134
 135     // sample rate
 136     struct Freq *frequencies;
 137     ULONG nr_of_frequencies;
 138     ULONG selected_freq_index;
 139
 140     /*** PCI/Card initialization progress *********************************/
 141
 142     /** TRUE if bus mastering is activated */
 143     BOOL                pci_master_enabled;
 144
 145     /** TRUE if the Card chip has been initialized */
 146     BOOL                card_initialized;
 147
 148     /*** The driverbase ******************************************************/
 149
 150     /** This field is also used as a lock and access to is is
 151      * semaphore protected. */
 152     struct DriverBase*  ahisubbase;
 153
 154     /*** The AudioCtrl currently using this DriverData structure *************/
 155
 156     struct AHIAudioCtrlDrv* audioctrl;
 157
 158     /*** Playback/recording interrupts ***************************************/
 159
 160     /** TRUE when playback is enabled */
 161     BOOL                is_playing;
 162
 163     /** TRUE when recording is enabled */
 164     BOOL                is_recording;
 165
 166     /** The main (hardware) interrupt */
 167     struct Interrupt    interrupt;
 168
 169     /** TRUE if the hardware interrupt has been added to the PCI subsystem */
 170     BOOL                interrupt_added;
 171
 172     /** The playback software interrupt */
 173     struct Interrupt    playback_interrupt;
 174
 175     /** The recording software interrupt */
 176     struct Interrupt    record_interrupt;
 177
 178     /*** Card structures **************************************************/
 179
 180     APTR                playback_buffer1;
 181     APTR                playback_buffer2;
 182
 183     /*** Playback interrupt variables ****************************************/
 184
 185     /** The mixing buffer (a cyclic buffer filled by AHI) */
 186     APTR                mix_buffer;
 187
 188     /** The length of each playback buffer in sample frames */
 189     ULONG               current_frames;
 190
 191     /** The length of each playback buffer in sample bytes */
 192     ULONG               current_bytesize;
 193
 194     /** Where (inside the cyclic buffer) we're currently writing */
 195     APTR                current_buffer;
 196
 197
 198
 199     /*** Recording interrupt variables ***************************************/
 200
 201     /** The recording buffer (simple double buffering is used */
 202     APTR                record_buffer1;
 203     APTR                record_buffer2;
 204     APTR                record_buffer1_nonaligned;
 205     APTR                record_buffer2_nonaligned;
 206
 207     /** Were (inside the recording buffer) the current data is */
 208     APTR                current_record_buffer;
 209
 210     /** The length of each record buffer in sample bytes */
 211     ULONG               current_record_bytesize;
 212
 213     /** Analog mixer variables ***********************************************/
 214
 215     /** The currently selected input */
 216     UWORD               input;
 217
 218
 219
 220     /** The currently selected output */
 221     UWORD               output;
 222
 223     /** The current (recording) monitor volume */
 224     Fixed               monitor_volume;
 225
 226     /** The current (recording) input gain */
 227     Fixed               input_gain;
 228
 229     /** The current (playback) output volume */
 230     Fixed               output_volume;
 231
 232 };
 233
 234 #endif /* AHI_Drivers_Card_DriverData_h */