1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2 /* 3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>, 4 * Creative Labs, Inc. 5 * Definitions for EMU10K1 (SB Live!) chips 6 */ 7 #ifndef _UAPI__SOUND_EMU10K1_H 8 #define _UAPI__SOUND_EMU10K1_H 9 10 #ifdef __linux__ 11 #include <linux/types.h> 12 #endif 13 14 /* 15 * ---- FX8010 ---- 16 */ 17 18 #define EMU10K1_CARD_CREATIVE 0x00000000 19 #define EMU10K1_CARD_EMUAPS 0x00000001 20 21 #define EMU10K1_FX8010_PCM_COUNT 8 22 23 /* 24 * Following definition is copied from linux/types.h to support compiling 25 * this header file in userspace since they are not generally available for 26 * uapi headers. 27 */ 28 #define __EMU10K1_DECLARE_BITMAP(name,bits) \ 29 unsigned long name[(bits) / (sizeof(unsigned long) * 8)] 30 31 /* instruction set */ 32 #define iMAC0 0x00 /* R = A + (X * Y >> 31) ; saturation */ 33 #define iMAC1 0x01 /* R = A + (-X * Y >> 31) ; saturation */ 34 #define iMAC2 0x02 /* R = A + (X * Y >> 31) ; wraparound */ 35 #define iMAC3 0x03 /* R = A + (-X * Y >> 31) ; wraparound */ 36 #define iMACINT0 0x04 /* R = A + X * Y ; saturation */ 37 #define iMACINT1 0x05 /* R = A + X * Y ; wraparound (31-bit) */ 38 #define iACC3 0x06 /* R = A + X + Y ; saturation */ 39 #define iMACMV 0x07 /* R = A, acc += X * Y >> 31 */ 40 #define iANDXOR 0x08 /* R = (A & X) ^ Y */ 41 #define iTSTNEG 0x09 /* R = (A >= Y) ? X : ~X */ 42 #define iLIMITGE 0x0a /* R = (A >= Y) ? X : Y */ 43 #define iLIMITLT 0x0b /* R = (A < Y) ? X : Y */ 44 #define iLOG 0x0c /* R = linear_data, A (log_data), X (max_exp), Y (format_word) */ 45 #define iEXP 0x0d /* R = log_data, A (linear_data), X (max_exp), Y (format_word) */ 46 #define iINTERP 0x0e /* R = A + (X * (Y - A) >> 31) ; saturation */ 47 #define iSKIP 0x0f /* R = A (cc_reg), X (count), Y (cc_test) */ 48 49 /* GPRs */ 50 #define FXBUS(x) (0x00 + (x)) /* x = 0x00 - 0x0f */ 51 #define EXTIN(x) (0x10 + (x)) /* x = 0x00 - 0x0f */ 52 #define EXTOUT(x) (0x20 + (x)) /* x = 0x00 - 0x0f physical outs -> FXWC low 16 bits */ 53 #define FXBUS2(x) (0x30 + (x)) /* x = 0x00 - 0x0f copies of fx buses for capture -> FXWC high 16 bits */ 54 /* NB: 0x31 and 0x32 are shared with Center/LFE on SB live 5.1 */ 55 56 #define C_00000000 0x40 57 #define C_00000001 0x41 58 #define C_00000002 0x42 59 #define C_00000003 0x43 60 #define C_00000004 0x44 61 #define C_00000008 0x45 62 #define C_00000010 0x46 63 #define C_00000020 0x47 64 #define C_00000100 0x48 65 #define C_00010000 0x49 66 #define C_00080000 0x4a 67 #define C_10000000 0x4b 68 #define C_20000000 0x4c 69 #define C_40000000 0x4d 70 #define C_80000000 0x4e 71 #define C_7fffffff 0x4f 72 #define C_ffffffff 0x50 73 #define C_fffffffe 0x51 74 #define C_c0000000 0x52 75 #define C_4f1bbcdc 0x53 76 #define C_5a7ef9db 0x54 77 #define C_00100000 0x55 /* ?? */ 78 #define GPR_ACCU 0x56 /* ACCUM, accumulator */ 79 #define GPR_COND 0x57 /* CCR, condition register */ 80 #define GPR_NOISE0 0x58 /* noise source */ 81 #define GPR_NOISE1 0x59 /* noise source */ 82 #define GPR_IRQ 0x5a /* IRQ register */ 83 #define GPR_DBAC 0x5b /* TRAM Delay Base Address Counter */ 84 #define GPR(x) (FXGPREGBASE + (x)) /* free GPRs: x = 0x00 - 0xff */ 85 #define ITRAM_DATA(x) (TANKMEMDATAREGBASE + 0x00 + (x)) /* x = 0x00 - 0x7f */ 86 #define ETRAM_DATA(x) (TANKMEMDATAREGBASE + 0x80 + (x)) /* x = 0x00 - 0x1f */ 87 #define ITRAM_ADDR(x) (TANKMEMADDRREGBASE + 0x00 + (x)) /* x = 0x00 - 0x7f */ 88 #define ETRAM_ADDR(x) (TANKMEMADDRREGBASE + 0x80 + (x)) /* x = 0x00 - 0x1f */ 89 90 #define A_ITRAM_DATA(x) (TANKMEMDATAREGBASE + 0x00 + (x)) /* x = 0x00 - 0xbf */ 91 #define A_ETRAM_DATA(x) (TANKMEMDATAREGBASE + 0xc0 + (x)) /* x = 0x00 - 0x3f */ 92 #define A_ITRAM_ADDR(x) (TANKMEMADDRREGBASE + 0x00 + (x)) /* x = 0x00 - 0xbf */ 93 #define A_ETRAM_ADDR(x) (TANKMEMADDRREGBASE + 0xc0 + (x)) /* x = 0x00 - 0x3f */ 94 #define A_ITRAM_CTL(x) (A_TANKMEMCTLREGBASE + 0x00 + (x)) /* x = 0x00 - 0xbf */ 95 #define A_ETRAM_CTL(x) (A_TANKMEMCTLREGBASE + 0xc0 + (x)) /* x = 0x00 - 0x3f */ 96 97 #define A_FXBUS(x) (0x00 + (x)) /* x = 0x00 - 0x3f FX buses */ 98 #define A_EXTIN(x) (0x40 + (x)) /* x = 0x00 - 0x0f physical ins */ 99 #define A_P16VIN(x) (0x50 + (x)) /* x = 0x00 - 0x0f p16v ins (A2 only) "EMU32 inputs" */ 100 #define A_EXTOUT(x) (0x60 + (x)) /* x = 0x00 - 0x1f physical outs -> A_FXWC1 0x79-7f unknown */ 101 #define A_FXBUS2(x) (0x80 + (x)) /* x = 0x00 - 0x1f extra outs used for EFX capture -> A_FXWC2 */ 102 #define A_EMU32OUTH(x) (0xa0 + (x)) /* x = 0x00 - 0x0f "EMU32_OUT_10 - _1F" - ??? */ 103 #define A_EMU32OUTL(x) (0xb0 + (x)) /* x = 0x00 - 0x0f "EMU32_OUT_1 - _F" - ??? */ 104 #define A3_EMU32IN(x) (0x160 + (x)) /* x = 0x00 - 0x3f "EMU32_IN_00 - _3F" - Only when .device = 0x0008 */ 105 #define A3_EMU32OUT(x) (0x1E0 + (x)) /* x = 0x00 - 0x0f "EMU32_OUT_00 - _3F" - Only when .device = 0x0008 */ 106 #define A_GPR(x) (A_FXGPREGBASE + (x)) 107 108 /* cc_reg constants */ 109 #define CC_REG_NORMALIZED C_00000001 110 #define CC_REG_BORROW C_00000002 111 #define CC_REG_MINUS C_00000004 112 #define CC_REG_ZERO C_00000008 113 #define CC_REG_SATURATE C_00000010 114 #define CC_REG_NONZERO C_00000100 115 116 /* FX buses */ 117 #define FXBUS_PCM_LEFT 0x00 118 #define FXBUS_PCM_RIGHT 0x01 119 #define FXBUS_PCM_LEFT_REAR 0x02 120 #define FXBUS_PCM_RIGHT_REAR 0x03 121 #define FXBUS_MIDI_LEFT 0x04 122 #define FXBUS_MIDI_RIGHT 0x05 123 #define FXBUS_PCM_CENTER 0x06 124 #define FXBUS_PCM_LFE 0x07 125 #define FXBUS_PCM_LEFT_FRONT 0x08 126 #define FXBUS_PCM_RIGHT_FRONT 0x09 127 #define FXBUS_MIDI_REVERB 0x0c 128 #define FXBUS_MIDI_CHORUS 0x0d 129 #define FXBUS_PCM_LEFT_SIDE 0x0e 130 #define FXBUS_PCM_RIGHT_SIDE 0x0f 131 #define FXBUS_PT_LEFT 0x14 132 #define FXBUS_PT_RIGHT 0x15 133 134 /* Inputs */ 135 #define EXTIN_AC97_L 0x00 /* AC'97 capture channel - left */ 136 #define EXTIN_AC97_R 0x01 /* AC'97 capture channel - right */ 137 #define EXTIN_SPDIF_CD_L 0x02 /* internal S/PDIF CD - onboard - left */ 138 #define EXTIN_SPDIF_CD_R 0x03 /* internal S/PDIF CD - onboard - right */ 139 #define EXTIN_ZOOM_L 0x04 /* Zoom Video I2S - left */ 140 #define EXTIN_ZOOM_R 0x05 /* Zoom Video I2S - right */ 141 #define EXTIN_TOSLINK_L 0x06 /* LiveDrive - TOSLink Optical - left */ 142 #define EXTIN_TOSLINK_R 0x07 /* LiveDrive - TOSLink Optical - right */ 143 #define EXTIN_LINE1_L 0x08 /* LiveDrive - Line/Mic 1 - left */ 144 #define EXTIN_LINE1_R 0x09 /* LiveDrive - Line/Mic 1 - right */ 145 #define EXTIN_COAX_SPDIF_L 0x0a /* LiveDrive - Coaxial S/PDIF - left */ 146 #define EXTIN_COAX_SPDIF_R 0x0b /* LiveDrive - Coaxial S/PDIF - right */ 147 #define EXTIN_LINE2_L 0x0c /* LiveDrive - Line/Mic 2 - left */ 148 #define EXTIN_LINE2_R 0x0d /* LiveDrive - Line/Mic 2 - right */ 149 150 /* Outputs */ 151 #define EXTOUT_AC97_L 0x00 /* AC'97 playback channel - left */ 152 #define EXTOUT_AC97_R 0x01 /* AC'97 playback channel - right */ 153 #define EXTOUT_TOSLINK_L 0x02 /* LiveDrive - TOSLink Optical - left */ 154 #define EXTOUT_TOSLINK_R 0x03 /* LiveDrive - TOSLink Optical - right */ 155 #define EXTOUT_AC97_CENTER 0x04 /* SB Live 5.1 - center */ 156 #define EXTOUT_AC97_LFE 0x05 /* SB Live 5.1 - LFE */ 157 #define EXTOUT_HEADPHONE_L 0x06 /* LiveDrive - Headphone - left */ 158 #define EXTOUT_HEADPHONE_R 0x07 /* LiveDrive - Headphone - right */ 159 #define EXTOUT_REAR_L 0x08 /* Rear channel - left */ 160 #define EXTOUT_REAR_R 0x09 /* Rear channel - right */ 161 #define EXTOUT_ADC_CAP_L 0x0a /* ADC Capture buffer - left */ 162 #define EXTOUT_ADC_CAP_R 0x0b /* ADC Capture buffer - right */ 163 #define EXTOUT_MIC_CAP 0x0c /* MIC Capture buffer */ 164 #define EXTOUT_AC97_REAR_L 0x0d /* SB Live 5.1 (c) 2003 - Rear Left */ 165 #define EXTOUT_AC97_REAR_R 0x0e /* SB Live 5.1 (c) 2003 - Rear Right */ 166 #define EXTOUT_ACENTER 0x11 /* Analog Center */ 167 #define EXTOUT_ALFE 0x12 /* Analog LFE */ 168 169 /* Audigy Inputs */ 170 #define A_EXTIN_AC97_L 0x00 /* AC'97 capture channel - left */ 171 #define A_EXTIN_AC97_R 0x01 /* AC'97 capture channel - right */ 172 #define A_EXTIN_SPDIF_CD_L 0x02 /* digital CD left */ 173 #define A_EXTIN_SPDIF_CD_R 0x03 /* digital CD left */ 174 #define A_EXTIN_OPT_SPDIF_L 0x04 /* audigy drive Optical SPDIF - left */ 175 #define A_EXTIN_OPT_SPDIF_R 0x05 /* right */ 176 #define A_EXTIN_LINE2_L 0x08 /* audigy drive line2/mic2 - left */ 177 #define A_EXTIN_LINE2_R 0x09 /* right */ 178 #define A_EXTIN_ADC_L 0x0a /* Philips ADC - left */ 179 #define A_EXTIN_ADC_R 0x0b /* right */ 180 #define A_EXTIN_AUX2_L 0x0c /* audigy drive aux2 - left */ 181 #define A_EXTIN_AUX2_R 0x0d /* - right */ 182 183 /* Audigiy Outputs */ 184 #define A_EXTOUT_FRONT_L 0x00 /* digital front left */ 185 #define A_EXTOUT_FRONT_R 0x01 /* right */ 186 #define A_EXTOUT_CENTER 0x02 /* digital front center */ 187 #define A_EXTOUT_LFE 0x03 /* digital front lfe */ 188 #define A_EXTOUT_HEADPHONE_L 0x04 /* headphone audigy drive left */ 189 #define A_EXTOUT_HEADPHONE_R 0x05 /* right */ 190 #define A_EXTOUT_REAR_L 0x06 /* digital rear left */ 191 #define A_EXTOUT_REAR_R 0x07 /* right */ 192 #define A_EXTOUT_AFRONT_L 0x08 /* analog front left */ 193 #define A_EXTOUT_AFRONT_R 0x09 /* right */ 194 #define A_EXTOUT_ACENTER 0x0a /* analog center */ 195 #define A_EXTOUT_ALFE 0x0b /* analog LFE */ 196 #define A_EXTOUT_ASIDE_L 0x0c /* analog side left - Audigy 2 ZS */ 197 #define A_EXTOUT_ASIDE_R 0x0d /* right - Audigy 2 ZS */ 198 #define A_EXTOUT_AREAR_L 0x0e /* analog rear left */ 199 #define A_EXTOUT_AREAR_R 0x0f /* right */ 200 #define A_EXTOUT_AC97_L 0x10 /* AC97 left (front) */ 201 #define A_EXTOUT_AC97_R 0x11 /* right */ 202 #define A_EXTOUT_ADC_CAP_L 0x16 /* ADC capture buffer left */ 203 #define A_EXTOUT_ADC_CAP_R 0x17 /* right */ 204 #define A_EXTOUT_MIC_CAP 0x18 /* Mic capture buffer */ 205 206 /* Audigy constants */ 207 #define A_C_00000000 0xc0 208 #define A_C_00000001 0xc1 209 #define A_C_00000002 0xc2 210 #define A_C_00000003 0xc3 211 #define A_C_00000004 0xc4 212 #define A_C_00000008 0xc5 213 #define A_C_00000010 0xc6 214 #define A_C_00000020 0xc7 215 #define A_C_00000100 0xc8 216 #define A_C_00010000 0xc9 217 #define A_C_00000800 0xca 218 #define A_C_10000000 0xcb 219 #define A_C_20000000 0xcc 220 #define A_C_40000000 0xcd 221 #define A_C_80000000 0xce 222 #define A_C_7fffffff 0xcf 223 #define A_C_ffffffff 0xd0 224 #define A_C_fffffffe 0xd1 225 #define A_C_c0000000 0xd2 226 #define A_C_4f1bbcdc 0xd3 227 #define A_C_5a7ef9db 0xd4 228 #define A_C_00100000 0xd5 229 #define A_GPR_ACCU 0xd6 /* ACCUM, accumulator */ 230 #define A_GPR_COND 0xd7 /* CCR, condition register */ 231 #define A_GPR_NOISE0 0xd8 /* noise source */ 232 #define A_GPR_NOISE1 0xd9 /* noise source */ 233 #define A_GPR_IRQ 0xda /* IRQ register */ 234 #define A_GPR_DBAC 0xdb /* TRAM Delay Base Address Counter - internal */ 235 #define A_GPR_DBACE 0xde /* TRAM Delay Base Address Counter - external */ 236 237 /* definitions for debug register */ 238 #define EMU10K1_DBG_ZC 0x80000000 /* zero tram counter */ 239 #define EMU10K1_DBG_SATURATION_OCCURED 0x02000000 /* saturation control */ 240 #define EMU10K1_DBG_SATURATION_ADDR 0x01ff0000 /* saturation address */ 241 #define EMU10K1_DBG_SINGLE_STEP 0x00008000 /* single step mode */ 242 #define EMU10K1_DBG_STEP 0x00004000 /* start single step */ 243 #define EMU10K1_DBG_CONDITION_CODE 0x00003e00 /* condition code */ 244 #define EMU10K1_DBG_SINGLE_STEP_ADDR 0x000001ff /* single step address */ 245 246 /* tank memory address line */ 247 #ifndef __KERNEL__ 248 #define TANKMEMADDRREG_ADDR_MASK 0x000fffff /* 20 bit tank address field */ 249 #define TANKMEMADDRREG_CLEAR 0x00800000 /* Clear tank memory */ 250 #define TANKMEMADDRREG_ALIGN 0x00400000 /* Align read or write relative to tank access */ 251 #define TANKMEMADDRREG_WRITE 0x00200000 /* Write to tank memory */ 252 #define TANKMEMADDRREG_READ 0x00100000 /* Read from tank memory */ 253 #endif 254 255 struct snd_emu10k1_fx8010_info { 256 unsigned int internal_tram_size; /* in samples */ 257 unsigned int external_tram_size; /* in samples */ 258 char fxbus_names[16][32]; /* names of FXBUSes */ 259 char extin_names[16][32]; /* names of external inputs */ 260 char extout_names[32][32]; /* names of external outputs */ 261 unsigned int gpr_controls; /* count of GPR controls */ 262 }; 263 264 #define EMU10K1_GPR_TRANSLATION_NONE 0 265 #define EMU10K1_GPR_TRANSLATION_TABLE100 1 266 #define EMU10K1_GPR_TRANSLATION_BASS 2 267 #define EMU10K1_GPR_TRANSLATION_TREBLE 3 268 #define EMU10K1_GPR_TRANSLATION_ONOFF 4 269 270 enum emu10k1_ctl_elem_iface { 271 EMU10K1_CTL_ELEM_IFACE_MIXER = 2, /* virtual mixer device */ 272 EMU10K1_CTL_ELEM_IFACE_PCM = 3, /* PCM device */ 273 }; 274 275 struct emu10k1_ctl_elem_id { 276 unsigned int pad; /* don't use */ 277 int iface; /* interface identifier */ 278 unsigned int device; /* device/client number */ 279 unsigned int subdevice; /* subdevice (substream) number */ 280 unsigned char name[44]; /* ASCII name of item */ 281 unsigned int index; /* index of item */ 282 }; 283 284 struct snd_emu10k1_fx8010_control_gpr { 285 struct emu10k1_ctl_elem_id id; /* full control ID definition */ 286 unsigned int vcount; /* visible count */ 287 unsigned int count; /* count of GPR (1..16) */ 288 unsigned short gpr[32]; /* GPR number(s) */ 289 unsigned int value[32]; /* initial values */ 290 unsigned int min; /* minimum range */ 291 unsigned int max; /* maximum range */ 292 unsigned int translation; /* translation type (EMU10K1_GPR_TRANSLATION*) */ 293 const unsigned int *tlv; 294 }; 295 296 /* old ABI without TLV support */ 297 struct snd_emu10k1_fx8010_control_old_gpr { 298 struct emu10k1_ctl_elem_id id; 299 unsigned int vcount; 300 unsigned int count; 301 unsigned short gpr[32]; 302 unsigned int value[32]; 303 unsigned int min; 304 unsigned int max; 305 unsigned int translation; 306 }; 307 308 struct snd_emu10k1_fx8010_code { 309 char name[128]; 310 311 __EMU10K1_DECLARE_BITMAP(gpr_valid, 0x200); /* bitmask of valid initializers */ 312 __u32 *gpr_map; /* initializers */ 313 314 unsigned int gpr_add_control_count; /* count of GPR controls to add/replace */ 315 struct snd_emu10k1_fx8010_control_gpr *gpr_add_controls; /* GPR controls to add/replace */ 316 317 unsigned int gpr_del_control_count; /* count of GPR controls to remove */ 318 struct emu10k1_ctl_elem_id *gpr_del_controls; /* IDs of GPR controls to remove */ 319 320 unsigned int gpr_list_control_count; /* count of GPR controls to list */ 321 unsigned int gpr_list_control_total; /* total count of GPR controls */ 322 struct snd_emu10k1_fx8010_control_gpr *gpr_list_controls; /* listed GPR controls */ 323 324 __EMU10K1_DECLARE_BITMAP(tram_valid, 0x100); /* bitmask of valid initializers */ 325 __u32 *tram_data_map; /* data initializers */ 326 __u32 *tram_addr_map; /* map initializers */ 327 328 __EMU10K1_DECLARE_BITMAP(code_valid, 1024); /* bitmask of valid instructions */ 329 __u32 *code; /* one instruction - 64 bits */ 330 }; 331 332 struct snd_emu10k1_fx8010_tram { 333 unsigned int address; /* 31.bit == 1 -> external TRAM */ 334 unsigned int size; /* size in samples (4 bytes) */ 335 unsigned int *samples; /* pointer to samples (20-bit) */ 336 /* NULL->clear memory */ 337 }; 338 339 struct snd_emu10k1_fx8010_pcm_rec { 340 unsigned int substream; /* substream number */ 341 unsigned int res1; /* reserved */ 342 unsigned int channels; /* 16-bit channels count, zero = remove this substream */ 343 unsigned int tram_start; /* ring buffer position in TRAM (in samples) */ 344 unsigned int buffer_size; /* count of buffered samples */ 345 unsigned short gpr_size; /* GPR containing size of ringbuffer in samples (host) */ 346 unsigned short gpr_ptr; /* GPR containing current pointer in the ring buffer (host = reset, FX8010) */ 347 unsigned short gpr_count; /* GPR containing count of samples between two interrupts (host) */ 348 unsigned short gpr_tmpcount; /* GPR containing current count of samples to interrupt (host = set, FX8010) */ 349 unsigned short gpr_trigger; /* GPR containing trigger (activate) information (host) */ 350 unsigned short gpr_running; /* GPR containing info if PCM is running (FX8010) */ 351 unsigned char pad; /* reserved */ 352 unsigned char etram[32]; /* external TRAM address & data (one per channel) */ 353 unsigned int res2; /* reserved */ 354 }; 355 356 #define SNDRV_EMU10K1_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) 357 358 #define SNDRV_EMU10K1_IOCTL_INFO _IOR ('H', 0x10, struct snd_emu10k1_fx8010_info) 359 #define SNDRV_EMU10K1_IOCTL_CODE_POKE _IOW ('H', 0x11, struct snd_emu10k1_fx8010_code) 360 #define SNDRV_EMU10K1_IOCTL_CODE_PEEK _IOWR('H', 0x12, struct snd_emu10k1_fx8010_code) 361 #define SNDRV_EMU10K1_IOCTL_TRAM_SETUP _IOW ('H', 0x20, int) 362 #define SNDRV_EMU10K1_IOCTL_TRAM_POKE _IOW ('H', 0x21, struct snd_emu10k1_fx8010_tram) 363 #define SNDRV_EMU10K1_IOCTL_TRAM_PEEK _IOWR('H', 0x22, struct snd_emu10k1_fx8010_tram) 364 #define SNDRV_EMU10K1_IOCTL_PCM_POKE _IOW ('H', 0x30, struct snd_emu10k1_fx8010_pcm_rec) 365 #define SNDRV_EMU10K1_IOCTL_PCM_PEEK _IOWR('H', 0x31, struct snd_emu10k1_fx8010_pcm_rec) 366 #define SNDRV_EMU10K1_IOCTL_PVERSION _IOR ('H', 0x40, int) 367 #define SNDRV_EMU10K1_IOCTL_STOP _IO ('H', 0x80) 368 #define SNDRV_EMU10K1_IOCTL_CONTINUE _IO ('H', 0x81) 369 #define SNDRV_EMU10K1_IOCTL_ZERO_TRAM_COUNTER _IO ('H', 0x82) 370 #define SNDRV_EMU10K1_IOCTL_SINGLE_STEP _IOW ('H', 0x83, int) 371 #define SNDRV_EMU10K1_IOCTL_DBG_READ _IOR ('H', 0x84, int) 372 373 #endif /* _UAPI__SOUND_EMU10K1_H */ 374