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