1 /* 2 * Copyright 2007-2012, Haiku, Inc. All Rights Reserved. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * Ithamar Adema, ithamar AT unet DOT nl 7 * Axel Dörfler, axeld@pinc-software.de 8 */ 9 #ifndef _HDA_H_ 10 #define _HDA_H_ 11 12 #include <KernelExport.h> 13 #include <Drivers.h> 14 #include <PCI.h> 15 16 #include <string.h> 17 #include <stdlib.h> 18 19 #ifndef HAIKU_TARGET_PLATFORM_HAIKU 20 # define DEVFS_PATH_FORMAT "audio/multi/hda/%lu" 21 # include <multi_audio.h> 22 #else 23 # define DEVFS_PATH_FORMAT "audio/hmulti/hda/%lu" 24 # include <hmulti_audio.h> 25 #endif 26 27 #include "hda_controller_defs.h" 28 #include "hda_codec_defs.h" 29 30 #define MAX_CARDS 4 31 32 /* values for the class_sub field for class_base = 0x04 (multimedia device) */ 33 #ifndef __HAIKU__ 34 # define PCI_hd_audio 3 35 #endif 36 37 #define HDA_MAX_AUDIO_GROUPS 15 38 #define HDA_MAX_CODECS 15 39 #define HDA_MAX_STREAMS 16 40 #define MAX_CODEC_RESPONSES 16 41 #define MAX_CODEC_UNSOL_RESPONSES 16 42 #define MAX_INPUTS 32 43 #define MAX_IO_WIDGETS 8 44 #define MAX_ASSOCIATIONS 16 45 #define MAX_ASSOCIATION_PINS 16 46 47 #define STREAM_MAX_BUFFERS 10 48 #define STREAM_MIN_BUFFERS 2 49 50 51 enum { 52 STREAM_PLAYBACK, 53 STREAM_RECORD 54 }; 55 56 struct hda_codec; 57 struct hda_stream; 58 struct hda_multi; 59 60 /*! This structure describes a single HDA compliant 61 controller. It contains a list of available streams 62 for use by the codecs contained, and the messaging queue 63 (verb/response) buffers for communication. 64 */ 65 struct hda_controller { 66 struct pci_info pci_info; 67 vint32 opened; 68 const char* devfs_path; 69 70 area_id regs_area; 71 vuint8* regs; 72 uint32 irq; 73 bool msi; 74 75 uint16 codec_status; 76 uint32 num_input_streams; 77 uint32 num_output_streams; 78 uint32 num_bidir_streams; 79 80 uint32 corb_length; 81 uint32 rirb_length; 82 uint32 rirb_read_pos; 83 uint32 corb_write_pos; 84 area_id corb_rirb_pos_area; 85 corb_t* corb; 86 rirb_t* rirb; 87 uint32* stream_positions; 88 89 hda_codec* codecs[HDA_MAX_CODECS + 1]; 90 hda_codec* active_codec; 91 uint32 num_codecs; 92 93 hda_stream* streams[HDA_MAX_STREAMS]; 94 sem_id buffer_ready_sem; 95 96 uint8 Read8(uint32 reg) 97 { 98 return *(regs + reg); 99 } 100 101 uint16 Read16(uint32 reg) 102 { 103 return *(vuint16*)(regs + reg); 104 } 105 106 uint32 Read32(uint32 reg) 107 { 108 return *(vuint32*)(regs + reg); 109 } 110 111 void Write8(uint32 reg, uint8 value) 112 { 113 *(regs + reg) = value; 114 } 115 116 void Write16(uint32 reg, uint16 value) 117 { 118 *(vuint16*)(regs + reg) = value; 119 } 120 121 void Write32(uint32 reg, uint32 value) 122 { 123 *(vuint32*)(regs + reg) = value; 124 } 125 }; 126 127 /*! This structure describes a single stream of audio data, 128 which is can have multiple channels (for stereo or better). 129 */ 130 struct hda_stream { 131 uint32 id; /* HDA controller stream # */ 132 uint32 offset; /* HDA I/O/B descriptor offset */ 133 bool running; 134 spinlock lock; /* Write lock */ 135 uint32 type; 136 137 hda_controller* controller; 138 139 uint32 pin_widget; /* PIN Widget ID */ 140 uint32 io_widgets[MAX_IO_WIDGETS]; /* Input/Output Converter Widget ID */ 141 uint32 num_io_widgets; 142 143 uint32 sample_rate; 144 uint32 sample_format; 145 146 uint32 num_buffers; 147 uint32 num_channels; 148 uint32 buffer_length; /* size of buffer in samples */ 149 uint32 buffer_size; /* actual (aligned) size of buffer in bytes */ 150 uint32 sample_size; 151 uint8* buffers[STREAM_MAX_BUFFERS]; 152 /* Virtual addresses for buffer */ 153 phys_addr_t physical_buffers[STREAM_MAX_BUFFERS]; 154 /* Physical addresses for buffer */ 155 156 volatile bigtime_t real_time; 157 volatile uint64 frames_count; 158 uint32 last_link_frame_position; 159 volatile int32 buffer_cycle; 160 161 uint32 rate, bps; /* Samplerate & bits per sample */ 162 163 area_id buffer_area; 164 area_id buffer_descriptors_area; 165 phys_addr_t physical_buffer_descriptors; /* BDL physical address */ 166 167 int32 incorrect_position_count; 168 bool use_dma_position; 169 170 uint8 Read8(uint32 reg) 171 { 172 return controller->Read8(HDAC_STREAM_BASE + offset + reg); 173 } 174 175 uint16 Read16(uint32 reg) 176 { 177 return controller->Read16(HDAC_STREAM_BASE + offset + reg); 178 } 179 180 uint32 Read32(uint32 reg) 181 { 182 return controller->Read32(HDAC_STREAM_BASE + offset + reg); 183 } 184 185 void Write8(uint32 reg, uint8 value) 186 { 187 *(controller->regs + HDAC_STREAM_BASE + offset + reg) = value; 188 } 189 190 void Write16(uint32 reg, uint16 value) 191 { 192 *(vuint16*)(controller->regs + HDAC_STREAM_BASE + offset + reg) = value; 193 } 194 195 void Write32(uint32 reg, uint32 value) 196 { 197 *(vuint32*)(controller->regs + HDAC_STREAM_BASE + offset + reg) = value; 198 } 199 }; 200 201 struct hda_widget { 202 uint32 node_id; 203 204 uint32 num_inputs; 205 int32 active_input; 206 uint32 inputs[MAX_INPUTS]; 207 uint32 flags; 208 209 hda_widget_type type; 210 uint32 pm; 211 212 struct { 213 uint32 audio; 214 uint32 output_amplifier; 215 uint32 input_amplifier; 216 } capabilities; 217 218 union { 219 struct { 220 uint32 formats; 221 uint32 rates; 222 } io; 223 struct { 224 } mixer; 225 struct { 226 uint32 capabilities; 227 uint32 config; 228 } pin; 229 } d; 230 }; 231 232 struct hda_association { 233 uint32 index; 234 bool enabled; 235 uint32 pin_count; 236 uint32 pins[MAX_ASSOCIATION_PINS]; 237 }; 238 239 #define WIDGET_FLAG_OUTPUT_PATH 0x01 240 #define WIDGET_FLAG_INPUT_PATH 0x02 241 #define WIDGET_FLAG_WIDGET_PATH 0x04 242 243 /*! This structure describes a single Audio Function Group. An AFG 244 is a group of audio widgets which can be used to configure multiple 245 streams of audio either from the HDA Link to an output device (= playback) 246 or from an input device to the HDA link (= recording). 247 */ 248 struct hda_audio_group { 249 hda_codec* codec; 250 hda_widget widget; 251 252 /* Multi Audio API data */ 253 hda_stream* playback_stream; 254 hda_stream* record_stream; 255 256 uint32 widget_start; 257 uint32 widget_count; 258 259 uint32 association_count; 260 uint32 gpio; 261 262 hda_widget* widgets; 263 hda_association associations[MAX_ASSOCIATIONS]; 264 265 hda_multi* multi; 266 }; 267 268 /*! This structure describes a single codec module in the 269 HDA compliant device. This is a discrete component, which 270 can contain both Audio Function Groups, Modem Function Groups, 271 and other customized (vendor specific) Function Groups. 272 273 NOTE: ATM, only Audio Function Groups are supported. 274 */ 275 struct hda_codec { 276 uint16 vendor_id; 277 uint16 product_id; 278 uint8 major; 279 uint8 minor; 280 uint8 revision; 281 uint8 stepping; 282 uint8 addr; 283 284 uint32 quirks; 285 286 sem_id response_sem; 287 uint32 responses[MAX_CODEC_RESPONSES]; 288 uint32 response_count; 289 290 sem_id unsol_response_sem; 291 thread_id unsol_response_thread; 292 uint32 unsol_responses[MAX_CODEC_UNSOL_RESPONSES]; 293 uint32 unsol_response_read, unsol_response_write; 294 295 hda_audio_group* audio_groups[HDA_MAX_AUDIO_GROUPS]; 296 uint32 num_audio_groups; 297 298 struct hda_controller* controller; 299 }; 300 301 302 #define MULTI_CONTROL_FIRSTID 1024 303 #define MULTI_CONTROL_MASTERID 0 304 #define MULTI_MAX_CONTROLS 128 305 #define MULTI_MAX_CHANNELS 128 306 307 struct hda_multi_mixer_control { 308 hda_multi *multi; 309 int32 nid; 310 int32 type; 311 bool input; 312 uint32 mute; 313 uint32 gain; 314 uint32 capabilities; 315 int32 index; 316 multi_mix_control mix_control; 317 }; 318 319 320 struct hda_multi { 321 hda_audio_group *group; 322 hda_multi_mixer_control controls[MULTI_MAX_CONTROLS]; 323 uint32 control_count; 324 325 multi_channel_info chans[MULTI_MAX_CHANNELS]; 326 uint32 output_channel_count; 327 uint32 input_channel_count; 328 uint32 output_bus_channel_count; 329 uint32 input_bus_channel_count; 330 uint32 aux_bus_channel_count; 331 }; 332 333 334 /* driver.c */ 335 extern device_hooks gDriverHooks; 336 extern pci_module_info* gPci; 337 extern hda_controller gCards[MAX_CARDS]; 338 extern uint32 gNumCards; 339 340 /* hda_codec.c */ 341 const char* get_widget_location(uint32 location); 342 hda_widget* hda_audio_group_get_widget(hda_audio_group* audioGroup, uint32 nodeID); 343 344 status_t hda_audio_group_get_widgets(hda_audio_group* audioGroup, 345 hda_stream* stream); 346 hda_codec* hda_codec_new(hda_controller* controller, uint32 cad); 347 void hda_codec_delete(hda_codec* codec); 348 349 /* hda_multi_audio.c */ 350 status_t multi_audio_control(void* cookie, uint32 op, void* arg, size_t length); 351 352 /* hda_controller.c: Basic controller support */ 353 status_t hda_hw_init(hda_controller* controller); 354 void hda_hw_stop(hda_controller* controller); 355 void hda_hw_uninit(hda_controller* controller); 356 status_t hda_send_verbs(hda_codec* codec, corb_t* verbs, uint32* responses, 357 uint32 count); 358 status_t hda_verb_write(hda_codec* codec, uint32 nid, uint32 vid, uint16 payload); 359 status_t hda_verb_read(hda_codec* codec, uint32 nid, uint32 vid, uint32 *response); 360 361 /* hda_controller.c: Stream support */ 362 hda_stream* hda_stream_new(hda_audio_group* audioGroup, int type); 363 void hda_stream_delete(hda_stream* stream); 364 status_t hda_stream_setup_buffers(hda_audio_group* audioGroup, 365 hda_stream* stream, const char* desc); 366 status_t hda_stream_start(hda_controller* controller, hda_stream* stream); 367 status_t hda_stream_stop(hda_controller* controller, hda_stream* stream); 368 369 #endif /* _HDA_H_ */ 370