Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef __SOUND_TRIDENT_H |
| 2 | #define __SOUND_TRIDENT_H |
| 3 | |
| 4 | /* |
| 5 | * audio@tridentmicro.com |
| 6 | * Fri Feb 19 15:55:28 MST 1999 |
| 7 | * Definitions for Trident 4DWave DX/NX chips |
| 8 | * |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2 of the License, or |
| 13 | * (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 23 | * |
| 24 | */ |
| 25 | |
| 26 | #include "pcm.h" |
| 27 | #include "mpu401.h" |
| 28 | #include "ac97_codec.h" |
| 29 | #include "seq_midi_emul.h" |
| 30 | #include "seq_device.h" |
| 31 | #include "util_mem.h" |
| 32 | //#include "ainstr_iw.h" |
| 33 | //#include "ainstr_gf1.h" |
| 34 | #include "ainstr_simple.h" |
| 35 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | #define TRIDENT_DEVICE_ID_DX ((PCI_VENDOR_ID_TRIDENT<<16)|PCI_DEVICE_ID_TRIDENT_4DWAVE_DX) |
| 37 | #define TRIDENT_DEVICE_ID_NX ((PCI_VENDOR_ID_TRIDENT<<16)|PCI_DEVICE_ID_TRIDENT_4DWAVE_NX) |
| 38 | #define TRIDENT_DEVICE_ID_SI7018 ((PCI_VENDOR_ID_SI<<16)|PCI_DEVICE_ID_SI_7018) |
| 39 | |
| 40 | #define SNDRV_SEQ_DEV_ID_TRIDENT "trident-synth" |
| 41 | |
| 42 | #define SNDRV_TRIDENT_VOICE_TYPE_PCM 0 |
| 43 | #define SNDRV_TRIDENT_VOICE_TYPE_SYNTH 1 |
| 44 | #define SNDRV_TRIDENT_VOICE_TYPE_MIDI 2 |
| 45 | |
| 46 | #define SNDRV_TRIDENT_VFLG_RUNNING (1<<0) |
| 47 | |
| 48 | /* TLB code constants */ |
| 49 | #define SNDRV_TRIDENT_PAGE_SIZE 4096 |
| 50 | #define SNDRV_TRIDENT_PAGE_SHIFT 12 |
| 51 | #define SNDRV_TRIDENT_PAGE_MASK ((1<<SNDRV_TRIDENT_PAGE_SHIFT)-1) |
| 52 | #define SNDRV_TRIDENT_MAX_PAGES 4096 |
| 53 | |
| 54 | /* |
| 55 | * Direct registers |
| 56 | */ |
| 57 | |
| 58 | #define TRID_REG(trident, x) ((trident)->port + (x)) |
| 59 | |
| 60 | #define ID_4DWAVE_DX 0x2000 |
| 61 | #define ID_4DWAVE_NX 0x2001 |
| 62 | |
| 63 | /* Bank definitions */ |
| 64 | |
| 65 | #define T4D_BANK_A 0 |
| 66 | #define T4D_BANK_B 1 |
| 67 | #define T4D_NUM_BANKS 2 |
| 68 | |
| 69 | /* Register definitions */ |
| 70 | |
| 71 | /* Global registers */ |
| 72 | |
| 73 | enum global_control_bits { |
| 74 | CHANNEL_IDX = 0x0000003f, |
| 75 | OVERRUN_IE = 0x00000400, /* interrupt enable: capture overrun */ |
| 76 | UNDERRUN_IE = 0x00000800, /* interrupt enable: playback underrun */ |
| 77 | ENDLP_IE = 0x00001000, /* interrupt enable: end of buffer */ |
| 78 | MIDLP_IE = 0x00002000, /* interrupt enable: middle buffer */ |
| 79 | ETOG_IE = 0x00004000, /* interrupt enable: envelope toggling */ |
| 80 | EDROP_IE = 0x00008000, /* interrupt enable: envelope drop */ |
| 81 | BANK_B_EN = 0x00010000, /* SiS: enable bank B (64 channels) */ |
| 82 | PCMIN_B_MIX = 0x00020000, /* SiS: PCM IN B mixing enable */ |
| 83 | I2S_OUT_ASSIGN = 0x00040000, /* SiS: I2S Out contains surround PCM */ |
| 84 | SPDIF_OUT_ASSIGN= 0x00080000, /* SiS: 0=S/PDIF L/R | 1=PCM Out FIFO */ |
| 85 | MAIN_OUT_ASSIGN = 0x00100000, /* SiS: 0=PCM Out FIFO | 1=MMC Out buffer */ |
| 86 | }; |
| 87 | |
| 88 | enum miscint_bits { |
| 89 | PB_UNDERRUN_IRQ = 0x00000001, REC_OVERRUN_IRQ = 0x00000002, |
| 90 | SB_IRQ = 0x00000004, MPU401_IRQ = 0x00000008, |
| 91 | OPL3_IRQ = 0x00000010, ADDRESS_IRQ = 0x00000020, |
| 92 | ENVELOPE_IRQ = 0x00000040, PB_UNDERRUN = 0x00000100, |
| 93 | REC_OVERRUN = 0x00000200, MIXER_UNDERFLOW = 0x00000400, |
| 94 | MIXER_OVERFLOW = 0x00000800, NX_SB_IRQ_DISABLE = 0x00001000, |
| 95 | ST_TARGET_REACHED = 0x00008000, |
| 96 | PB_24K_MODE = 0x00010000, ST_IRQ_EN = 0x00800000, |
| 97 | ACGPIO_IRQ = 0x01000000 |
| 98 | }; |
| 99 | |
| 100 | /* T2 legacy dma control registers. */ |
| 101 | #define LEGACY_DMAR0 0x00 // ADR0 |
| 102 | #define LEGACY_DMAR4 0x04 // CNT0 |
| 103 | #define LEGACY_DMAR6 0x06 // CNT0 - High bits |
| 104 | #define LEGACY_DMAR11 0x0b // MOD |
| 105 | #define LEGACY_DMAR15 0x0f // MMR |
| 106 | |
| 107 | #define T4D_START_A 0x80 |
| 108 | #define T4D_STOP_A 0x84 |
| 109 | #define T4D_DLY_A 0x88 |
| 110 | #define T4D_SIGN_CSO_A 0x8c |
| 111 | #define T4D_CSPF_A 0x90 |
| 112 | #define T4D_CSPF_B 0xbc |
| 113 | #define T4D_CEBC_A 0x94 |
| 114 | #define T4D_AINT_A 0x98 |
| 115 | #define T4D_AINTEN_A 0x9c |
| 116 | #define T4D_LFO_GC_CIR 0xa0 |
| 117 | #define T4D_MUSICVOL_WAVEVOL 0xa8 |
| 118 | #define T4D_SBDELTA_DELTA_R 0xac |
| 119 | #define T4D_MISCINT 0xb0 |
| 120 | #define T4D_START_B 0xb4 |
| 121 | #define T4D_STOP_B 0xb8 |
| 122 | #define T4D_SBBL_SBCL 0xc0 |
| 123 | #define T4D_SBCTRL_SBE2R_SBDD 0xc4 |
| 124 | #define T4D_STIMER 0xc8 |
| 125 | #define T4D_AINT_B 0xd8 |
| 126 | #define T4D_AINTEN_B 0xdc |
| 127 | #define T4D_RCI 0x70 |
| 128 | |
| 129 | /* MPU-401 UART */ |
| 130 | #define T4D_MPU401_BASE 0x20 |
| 131 | #define T4D_MPUR0 0x20 |
| 132 | #define T4D_MPUR1 0x21 |
| 133 | #define T4D_MPUR2 0x22 |
| 134 | #define T4D_MPUR3 0x23 |
| 135 | |
| 136 | /* S/PDIF Registers */ |
| 137 | #define NX_SPCTRL_SPCSO 0x24 |
| 138 | #define NX_SPLBA 0x28 |
| 139 | #define NX_SPESO 0x2c |
| 140 | #define NX_SPCSTATUS 0x64 |
| 141 | |
| 142 | /* Joystick */ |
| 143 | #define GAMEPORT_GCR 0x30 |
| 144 | #define GAMEPORT_MODE_ADC 0x80 |
| 145 | #define GAMEPORT_LEGACY 0x31 |
| 146 | #define GAMEPORT_AXES 0x34 |
| 147 | |
| 148 | /* NX Specific Registers */ |
| 149 | #define NX_TLBC 0x6c |
| 150 | |
| 151 | /* Channel Registers */ |
| 152 | |
| 153 | #define CH_START 0xe0 |
| 154 | |
| 155 | #define CH_DX_CSO_ALPHA_FMS 0xe0 |
| 156 | #define CH_DX_ESO_DELTA 0xe8 |
| 157 | #define CH_DX_FMC_RVOL_CVOL 0xec |
| 158 | |
| 159 | #define CH_NX_DELTA_CSO 0xe0 |
| 160 | #define CH_NX_DELTA_ESO 0xe8 |
| 161 | #define CH_NX_ALPHA_FMS_FMC_RVOL_CVOL 0xec |
| 162 | |
| 163 | #define CH_LBA 0xe4 |
| 164 | #define CH_GVSEL_PAN_VOL_CTRL_EC 0xf0 |
| 165 | #define CH_EBUF1 0xf4 |
| 166 | #define CH_EBUF2 0xf8 |
| 167 | |
| 168 | /* AC-97 Registers */ |
| 169 | |
| 170 | #define DX_ACR0_AC97_W 0x40 |
| 171 | #define DX_ACR1_AC97_R 0x44 |
| 172 | #define DX_ACR2_AC97_COM_STAT 0x48 |
| 173 | |
| 174 | #define NX_ACR0_AC97_COM_STAT 0x40 |
| 175 | #define NX_ACR1_AC97_W 0x44 |
| 176 | #define NX_ACR2_AC97_R_PRIMARY 0x48 |
| 177 | #define NX_ACR3_AC97_R_SECONDARY 0x4c |
| 178 | |
| 179 | #define SI_AC97_WRITE 0x40 |
| 180 | #define SI_AC97_READ 0x44 |
| 181 | #define SI_SERIAL_INTF_CTRL 0x48 |
| 182 | #define SI_AC97_GPIO 0x4c |
| 183 | #define SI_ASR0 0x50 |
| 184 | #define SI_SPDIF_CS 0x70 |
| 185 | #define SI_GPIO 0x7c |
| 186 | |
| 187 | enum trident_nx_ac97_bits { |
| 188 | /* ACR1-3 */ |
| 189 | NX_AC97_BUSY_WRITE = 0x0800, |
| 190 | NX_AC97_BUSY_READ = 0x0800, |
| 191 | NX_AC97_BUSY_DATA = 0x0400, |
| 192 | NX_AC97_WRITE_SECONDARY = 0x0100, |
| 193 | /* ACR0 */ |
| 194 | NX_AC97_SECONDARY_READY = 0x0040, |
| 195 | NX_AC97_SECONDARY_RECORD = 0x0020, |
| 196 | NX_AC97_SURROUND_OUTPUT = 0x0010, |
| 197 | NX_AC97_PRIMARY_READY = 0x0008, |
| 198 | NX_AC97_PRIMARY_RECORD = 0x0004, |
| 199 | NX_AC97_PCM_OUTPUT = 0x0002, |
| 200 | NX_AC97_WARM_RESET = 0x0001 |
| 201 | }; |
| 202 | |
| 203 | enum trident_dx_ac97_bits { |
| 204 | DX_AC97_BUSY_WRITE = 0x8000, |
| 205 | DX_AC97_BUSY_READ = 0x8000, |
| 206 | DX_AC97_READY = 0x0010, |
| 207 | DX_AC97_RECORD = 0x0008, |
| 208 | DX_AC97_PLAYBACK = 0x0002 |
| 209 | }; |
| 210 | |
| 211 | enum sis7018_ac97_bits { |
| 212 | SI_AC97_BUSY_WRITE = 0x00008000, |
| 213 | SI_AC97_AUDIO_BUSY = 0x00004000, |
| 214 | SI_AC97_MODEM_BUSY = 0x00002000, |
| 215 | SI_AC97_BUSY_READ = 0x00008000, |
| 216 | SI_AC97_SECONDARY = 0x00000080, |
| 217 | }; |
| 218 | |
| 219 | enum serial_intf_ctrl_bits { |
| 220 | WARM_RESET = 0x00000001, |
| 221 | COLD_RESET = 0x00000002, |
| 222 | I2S_CLOCK = 0x00000004, |
| 223 | PCM_SEC_AC97 = 0x00000008, |
| 224 | AC97_DBL_RATE = 0x00000010, |
| 225 | SPDIF_EN = 0x00000020, |
| 226 | I2S_OUTPUT_EN = 0x00000040, |
| 227 | I2S_INPUT_EN = 0x00000080, |
| 228 | PCMIN = 0x00000100, |
| 229 | LINE1IN = 0x00000200, |
| 230 | MICIN = 0x00000400, |
| 231 | LINE2IN = 0x00000800, |
| 232 | HEAD_SET_IN = 0x00001000, |
| 233 | GPIOIN = 0x00002000, |
| 234 | /* 7018 spec says id = 01 but the demo board routed to 10 |
| 235 | SECONDARY_ID= 0x00004000, */ |
| 236 | SECONDARY_ID = 0x00004000, |
| 237 | PCMOUT = 0x00010000, |
| 238 | SURROUT = 0x00020000, |
| 239 | CENTEROUT = 0x00040000, |
| 240 | LFEOUT = 0x00080000, |
| 241 | LINE1OUT = 0x00100000, |
| 242 | LINE2OUT = 0x00200000, |
| 243 | GPIOOUT = 0x00400000, |
| 244 | SI_AC97_PRIMARY_READY = 0x01000000, |
| 245 | SI_AC97_SECONDARY_READY = 0x02000000, |
| 246 | SI_AC97_POWERDOWN = 0x04000000, |
| 247 | }; |
| 248 | |
| 249 | /* PCM defaults */ |
| 250 | |
| 251 | #define T4D_DEFAULT_PCM_VOL 10 /* 0 - 255 */ |
| 252 | #define T4D_DEFAULT_PCM_PAN 0 /* 0 - 127 */ |
| 253 | #define T4D_DEFAULT_PCM_RVOL 127 /* 0 - 127 */ |
| 254 | #define T4D_DEFAULT_PCM_CVOL 127 /* 0 - 127 */ |
| 255 | |
| 256 | typedef struct _snd_trident trident_t; |
| 257 | typedef struct _snd_trident_voice snd_trident_voice_t; |
| 258 | typedef struct _snd_trident_pcm_mixer snd_trident_pcm_mixer_t; |
| 259 | |
| 260 | typedef struct { |
| 261 | void (*sample_start)(trident_t *gus, snd_trident_voice_t *voice, snd_seq_position_t position); |
| 262 | void (*sample_stop)(trident_t *gus, snd_trident_voice_t *voice, snd_seq_stop_mode_t mode); |
| 263 | void (*sample_freq)(trident_t *gus, snd_trident_voice_t *voice, snd_seq_frequency_t freq); |
| 264 | void (*sample_volume)(trident_t *gus, snd_trident_voice_t *voice, snd_seq_ev_volume_t *volume); |
| 265 | void (*sample_loop)(trident_t *card, snd_trident_voice_t *voice, snd_seq_ev_loop_t *loop); |
| 266 | void (*sample_pos)(trident_t *card, snd_trident_voice_t *voice, snd_seq_position_t position); |
| 267 | void (*sample_private1)(trident_t *card, snd_trident_voice_t *voice, unsigned char *data); |
| 268 | } snd_trident_sample_ops_t; |
| 269 | |
| 270 | typedef struct { |
| 271 | snd_midi_channel_set_t * chset; |
| 272 | trident_t * trident; |
| 273 | int mode; /* operation mode */ |
| 274 | int client; /* sequencer client number */ |
| 275 | int port; /* sequencer port number */ |
| 276 | unsigned int midi_has_voices: 1; |
| 277 | } snd_trident_port_t; |
| 278 | |
| 279 | typedef struct snd_trident_memblk_arg { |
| 280 | short first_page, last_page; |
| 281 | } snd_trident_memblk_arg_t; |
| 282 | |
| 283 | typedef struct { |
| 284 | unsigned int * entries; /* 16k-aligned TLB table */ |
| 285 | dma_addr_t entries_dmaaddr; /* 16k-aligned PCI address to TLB table */ |
| 286 | unsigned long * shadow_entries; /* shadow entries with virtual addresses */ |
| 287 | struct snd_dma_buffer buffer; |
| 288 | snd_util_memhdr_t * memhdr; /* page allocation list */ |
| 289 | struct snd_dma_buffer silent_page; |
| 290 | } snd_trident_tlb_t; |
| 291 | |
| 292 | struct _snd_trident_voice { |
| 293 | unsigned int number; |
| 294 | unsigned int use: 1, |
| 295 | pcm: 1, |
| 296 | synth:1, |
| 297 | midi: 1; |
| 298 | unsigned int flags; |
| 299 | unsigned char client; |
| 300 | unsigned char port; |
| 301 | unsigned char index; |
| 302 | |
| 303 | snd_seq_instr_t instr; |
| 304 | snd_trident_sample_ops_t *sample_ops; |
| 305 | |
| 306 | /* channel parameters */ |
| 307 | unsigned int CSO; /* 24 bits (16 on DX) */ |
| 308 | unsigned int ESO; /* 24 bits (16 on DX) */ |
| 309 | unsigned int LBA; /* 30 bits */ |
| 310 | unsigned short EC; /* 12 bits */ |
| 311 | unsigned short Alpha; /* 12 bits */ |
| 312 | unsigned short Delta; /* 16 bits */ |
| 313 | unsigned short Attribute; /* 16 bits - SiS 7018 */ |
| 314 | unsigned short Vol; /* 12 bits (6.6) */ |
| 315 | unsigned char Pan; /* 7 bits (1.4.2) */ |
| 316 | unsigned char GVSel; /* 1 bit */ |
| 317 | unsigned char RVol; /* 7 bits (5.2) */ |
| 318 | unsigned char CVol; /* 7 bits (5.2) */ |
| 319 | unsigned char FMC; /* 2 bits */ |
| 320 | unsigned char CTRL; /* 4 bits */ |
| 321 | unsigned char FMS; /* 4 bits */ |
| 322 | unsigned char LFO; /* 8 bits */ |
| 323 | |
| 324 | unsigned int negCSO; /* nonzero - use negative CSO */ |
| 325 | |
| 326 | snd_util_memblk_t *memblk; /* memory block if TLB enabled */ |
| 327 | |
| 328 | /* PCM data */ |
| 329 | |
| 330 | trident_t *trident; |
| 331 | snd_pcm_substream_t *substream; |
| 332 | snd_trident_voice_t *extra; /* extra PCM voice (acts as interrupt generator) */ |
| 333 | unsigned int running: 1, |
| 334 | capture: 1, |
| 335 | spdif: 1, |
| 336 | foldback: 1, |
| 337 | isync: 1, |
| 338 | isync2: 1, |
| 339 | isync3: 1; |
| 340 | int foldback_chan; /* foldback subdevice number */ |
| 341 | unsigned int stimer; /* global sample timer (to detect spurious interrupts) */ |
| 342 | unsigned int spurious_threshold; /* spurious threshold */ |
| 343 | unsigned int isync_mark; |
| 344 | unsigned int isync_max; |
| 345 | unsigned int isync_ESO; |
| 346 | |
| 347 | /* --- */ |
| 348 | |
| 349 | void *private_data; |
| 350 | void (*private_free)(snd_trident_voice_t *voice); |
| 351 | }; |
| 352 | |
| 353 | struct _snd_4dwave { |
| 354 | int seq_client; |
| 355 | |
| 356 | snd_trident_port_t seq_ports[4]; |
| 357 | snd_simple_ops_t simple_ops; |
| 358 | snd_seq_kinstr_list_t *ilist; |
| 359 | |
| 360 | snd_trident_voice_t voices[64]; |
| 361 | |
| 362 | int ChanSynthCount; /* number of allocated synth channels */ |
| 363 | int max_size; /* maximum synth memory size in bytes */ |
| 364 | int current_size; /* current allocated synth mem in bytes */ |
| 365 | }; |
| 366 | |
| 367 | struct _snd_trident_pcm_mixer { |
| 368 | snd_trident_voice_t *voice; /* active voice */ |
| 369 | unsigned short vol; /* front volume */ |
| 370 | unsigned char pan; /* pan control */ |
| 371 | unsigned char rvol; /* rear volume */ |
| 372 | unsigned char cvol; /* center volume */ |
| 373 | unsigned char pad; |
| 374 | }; |
| 375 | |
| 376 | struct _snd_trident { |
| 377 | int irq; |
| 378 | |
| 379 | unsigned int device; /* device ID */ |
| 380 | |
| 381 | unsigned char bDMAStart; |
| 382 | |
| 383 | unsigned long port; |
| 384 | unsigned long midi_port; |
| 385 | |
| 386 | unsigned int spurious_irq_count; |
| 387 | unsigned int spurious_irq_max_delta; |
| 388 | |
| 389 | snd_trident_tlb_t tlb; /* TLB entries for NX cards */ |
| 390 | |
| 391 | unsigned char spdif_ctrl; |
| 392 | unsigned char spdif_pcm_ctrl; |
| 393 | unsigned int spdif_bits; |
| 394 | unsigned int spdif_pcm_bits; |
| 395 | snd_kcontrol_t *spdif_pcm_ctl; /* S/PDIF settings */ |
| 396 | unsigned int ac97_ctrl; |
| 397 | |
| 398 | unsigned int ChanMap[2]; /* allocation map for hardware channels */ |
| 399 | |
| 400 | int ChanPCM; /* max number of PCM channels */ |
| 401 | int ChanPCMcnt; /* actual number of PCM channels */ |
| 402 | |
| 403 | unsigned int ac97_detect: 1; /* 1 = AC97 in detection phase */ |
| 404 | unsigned int in_suspend: 1; /* 1 during suspend/resume */ |
| 405 | |
| 406 | struct _snd_4dwave synth; /* synth specific variables */ |
| 407 | |
| 408 | spinlock_t event_lock; |
| 409 | spinlock_t voice_alloc; |
| 410 | |
| 411 | struct snd_dma_device dma_dev; |
| 412 | |
| 413 | struct pci_dev *pci; |
| 414 | snd_card_t *card; |
| 415 | snd_pcm_t *pcm; /* ADC/DAC PCM */ |
| 416 | snd_pcm_t *foldback; /* Foldback PCM */ |
| 417 | snd_pcm_t *spdif; /* SPDIF PCM */ |
| 418 | snd_rawmidi_t *rmidi; |
| 419 | snd_seq_device_t *seq_dev; |
| 420 | |
| 421 | ac97_bus_t *ac97_bus; |
| 422 | ac97_t *ac97; |
| 423 | ac97_t *ac97_sec; |
| 424 | |
| 425 | unsigned int musicvol_wavevol; |
| 426 | snd_trident_pcm_mixer_t pcm_mixer[32]; |
| 427 | snd_kcontrol_t *ctl_vol; /* front volume */ |
| 428 | snd_kcontrol_t *ctl_pan; /* pan */ |
| 429 | snd_kcontrol_t *ctl_rvol; /* rear volume */ |
| 430 | snd_kcontrol_t *ctl_cvol; /* center volume */ |
| 431 | |
| 432 | spinlock_t reg_lock; |
| 433 | |
| 434 | struct gameport *gameport; |
| 435 | }; |
| 436 | |
| 437 | int snd_trident_create(snd_card_t * card, |
| 438 | struct pci_dev *pci, |
| 439 | int pcm_streams, |
| 440 | int pcm_spdif_device, |
| 441 | int max_wavetable_size, |
| 442 | trident_t ** rtrident); |
| 443 | int snd_trident_create_gameport(trident_t *trident); |
| 444 | |
| 445 | int snd_trident_pcm(trident_t * trident, int device, snd_pcm_t **rpcm); |
| 446 | int snd_trident_foldback_pcm(trident_t * trident, int device, snd_pcm_t **rpcm); |
| 447 | int snd_trident_spdif_pcm(trident_t * trident, int device, snd_pcm_t **rpcm); |
| 448 | int snd_trident_attach_synthesizer(trident_t * trident); |
| 449 | snd_trident_voice_t *snd_trident_alloc_voice(trident_t * trident, int type, int client, int port); |
| 450 | void snd_trident_free_voice(trident_t * trident, snd_trident_voice_t *voice); |
| 451 | void snd_trident_start_voice(trident_t * trident, unsigned int voice); |
| 452 | void snd_trident_stop_voice(trident_t * trident, unsigned int voice); |
| 453 | void snd_trident_write_voice_regs(trident_t * trident, snd_trident_voice_t *voice); |
| 454 | |
| 455 | /* TLB memory allocation */ |
| 456 | snd_util_memblk_t *snd_trident_alloc_pages(trident_t *trident, snd_pcm_substream_t *substream); |
| 457 | int snd_trident_free_pages(trident_t *trident, snd_util_memblk_t *blk); |
| 458 | snd_util_memblk_t *snd_trident_synth_alloc(trident_t *trident, unsigned int size); |
| 459 | int snd_trident_synth_free(trident_t *trident, snd_util_memblk_t *blk); |
| 460 | int snd_trident_synth_copy_from_user(trident_t *trident, snd_util_memblk_t *blk, int offset, const char __user *data, int size); |
| 461 | |
| 462 | #endif /* __SOUND_TRIDENT_H */ |