1 /* 2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 3 * and (c) 1999 Steve Ratcliffe <steve@parabola.demon.co.uk> 4 * Copyright (C) 1999-2000 Takashi Iwai <tiwai@suse.de> 5 * 6 * Routines for control of EMU8000 chip 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 */ 22 23 #include <linux/wait.h> 24 #include <linux/sched/signal.h> 25 #include <linux/slab.h> 26 #include <linux/ioport.h> 27 #include <linux/export.h> 28 #include <linux/delay.h> 29 #include <linux/io.h> 30 #include <sound/core.h> 31 #include <sound/emu8000.h> 32 #include <sound/emu8000_reg.h> 33 #include <linux/uaccess.h> 34 #include <linux/init.h> 35 #include <sound/control.h> 36 #include <sound/initval.h> 37 38 /* 39 * emu8000 register controls 40 */ 41 42 /* 43 * The following routines read and write registers on the emu8000. They 44 * should always be called via the EMU8000*READ/WRITE macros and never 45 * directly. The macros handle the port number and command word. 46 */ 47 /* Write a word */ 48 void snd_emu8000_poke(struct snd_emu8000 *emu, unsigned int port, unsigned int reg, unsigned int val) 49 { 50 unsigned long flags; 51 spin_lock_irqsave(&emu->reg_lock, flags); 52 if (reg != emu->last_reg) { 53 outw((unsigned short)reg, EMU8000_PTR(emu)); /* Set register */ 54 emu->last_reg = reg; 55 } 56 outw((unsigned short)val, port); /* Send data */ 57 spin_unlock_irqrestore(&emu->reg_lock, flags); 58 } 59 60 /* Read a word */ 61 unsigned short snd_emu8000_peek(struct snd_emu8000 *emu, unsigned int port, unsigned int reg) 62 { 63 unsigned short res; 64 unsigned long flags; 65 spin_lock_irqsave(&emu->reg_lock, flags); 66 if (reg != emu->last_reg) { 67 outw((unsigned short)reg, EMU8000_PTR(emu)); /* Set register */ 68 emu->last_reg = reg; 69 } 70 res = inw(port); /* Read data */ 71 spin_unlock_irqrestore(&emu->reg_lock, flags); 72 return res; 73 } 74 75 /* Write a double word */ 76 void snd_emu8000_poke_dw(struct snd_emu8000 *emu, unsigned int port, unsigned int reg, unsigned int val) 77 { 78 unsigned long flags; 79 spin_lock_irqsave(&emu->reg_lock, flags); 80 if (reg != emu->last_reg) { 81 outw((unsigned short)reg, EMU8000_PTR(emu)); /* Set register */ 82 emu->last_reg = reg; 83 } 84 outw((unsigned short)val, port); /* Send low word of data */ 85 outw((unsigned short)(val>>16), port+2); /* Send high word of data */ 86 spin_unlock_irqrestore(&emu->reg_lock, flags); 87 } 88 89 /* Read a double word */ 90 unsigned int snd_emu8000_peek_dw(struct snd_emu8000 *emu, unsigned int port, unsigned int reg) 91 { 92 unsigned short low; 93 unsigned int res; 94 unsigned long flags; 95 spin_lock_irqsave(&emu->reg_lock, flags); 96 if (reg != emu->last_reg) { 97 outw((unsigned short)reg, EMU8000_PTR(emu)); /* Set register */ 98 emu->last_reg = reg; 99 } 100 low = inw(port); /* Read low word of data */ 101 res = low + (inw(port+2) << 16); 102 spin_unlock_irqrestore(&emu->reg_lock, flags); 103 return res; 104 } 105 106 /* 107 * Set up / close a channel to be used for DMA. 108 */ 109 /*exported*/ void 110 snd_emu8000_dma_chan(struct snd_emu8000 *emu, int ch, int mode) 111 { 112 unsigned right_bit = (mode & EMU8000_RAM_RIGHT) ? 0x01000000 : 0; 113 mode &= EMU8000_RAM_MODE_MASK; 114 if (mode == EMU8000_RAM_CLOSE) { 115 EMU8000_CCCA_WRITE(emu, ch, 0); 116 EMU8000_DCYSUSV_WRITE(emu, ch, 0x807F); 117 return; 118 } 119 EMU8000_DCYSUSV_WRITE(emu, ch, 0x80); 120 EMU8000_VTFT_WRITE(emu, ch, 0); 121 EMU8000_CVCF_WRITE(emu, ch, 0); 122 EMU8000_PTRX_WRITE(emu, ch, 0x40000000); 123 EMU8000_CPF_WRITE(emu, ch, 0x40000000); 124 EMU8000_PSST_WRITE(emu, ch, 0); 125 EMU8000_CSL_WRITE(emu, ch, 0); 126 if (mode == EMU8000_RAM_WRITE) /* DMA write */ 127 EMU8000_CCCA_WRITE(emu, ch, 0x06000000 | right_bit); 128 else /* DMA read */ 129 EMU8000_CCCA_WRITE(emu, ch, 0x04000000 | right_bit); 130 } 131 132 /* 133 */ 134 static void 135 snd_emu8000_read_wait(struct snd_emu8000 *emu) 136 { 137 while ((EMU8000_SMALR_READ(emu) & 0x80000000) != 0) { 138 schedule_timeout_interruptible(1); 139 if (signal_pending(current)) 140 break; 141 } 142 } 143 144 /* 145 */ 146 static void 147 snd_emu8000_write_wait(struct snd_emu8000 *emu) 148 { 149 while ((EMU8000_SMALW_READ(emu) & 0x80000000) != 0) { 150 schedule_timeout_interruptible(1); 151 if (signal_pending(current)) 152 break; 153 } 154 } 155 156 /* 157 * detect a card at the given port 158 */ 159 static int 160 snd_emu8000_detect(struct snd_emu8000 *emu) 161 { 162 /* Initialise */ 163 EMU8000_HWCF1_WRITE(emu, 0x0059); 164 EMU8000_HWCF2_WRITE(emu, 0x0020); 165 EMU8000_HWCF3_WRITE(emu, 0x0000); 166 /* Check for a recognisable emu8000 */ 167 /* 168 if ((EMU8000_U1_READ(emu) & 0x000f) != 0x000c) 169 return -ENODEV; 170 */ 171 if ((EMU8000_HWCF1_READ(emu) & 0x007e) != 0x0058) 172 return -ENODEV; 173 if ((EMU8000_HWCF2_READ(emu) & 0x0003) != 0x0003) 174 return -ENODEV; 175 176 snd_printdd("EMU8000 [0x%lx]: Synth chip found\n", 177 emu->port1); 178 return 0; 179 } 180 181 182 /* 183 * intiailize audio channels 184 */ 185 static void 186 init_audio(struct snd_emu8000 *emu) 187 { 188 int ch; 189 190 /* turn off envelope engines */ 191 for (ch = 0; ch < EMU8000_CHANNELS; ch++) 192 EMU8000_DCYSUSV_WRITE(emu, ch, 0x80); 193 194 /* reset all other parameters to zero */ 195 for (ch = 0; ch < EMU8000_CHANNELS; ch++) { 196 EMU8000_ENVVOL_WRITE(emu, ch, 0); 197 EMU8000_ENVVAL_WRITE(emu, ch, 0); 198 EMU8000_DCYSUS_WRITE(emu, ch, 0); 199 EMU8000_ATKHLDV_WRITE(emu, ch, 0); 200 EMU8000_LFO1VAL_WRITE(emu, ch, 0); 201 EMU8000_ATKHLD_WRITE(emu, ch, 0); 202 EMU8000_LFO2VAL_WRITE(emu, ch, 0); 203 EMU8000_IP_WRITE(emu, ch, 0); 204 EMU8000_IFATN_WRITE(emu, ch, 0); 205 EMU8000_PEFE_WRITE(emu, ch, 0); 206 EMU8000_FMMOD_WRITE(emu, ch, 0); 207 EMU8000_TREMFRQ_WRITE(emu, ch, 0); 208 EMU8000_FM2FRQ2_WRITE(emu, ch, 0); 209 EMU8000_PTRX_WRITE(emu, ch, 0); 210 EMU8000_VTFT_WRITE(emu, ch, 0); 211 EMU8000_PSST_WRITE(emu, ch, 0); 212 EMU8000_CSL_WRITE(emu, ch, 0); 213 EMU8000_CCCA_WRITE(emu, ch, 0); 214 } 215 216 for (ch = 0; ch < EMU8000_CHANNELS; ch++) { 217 EMU8000_CPF_WRITE(emu, ch, 0); 218 EMU8000_CVCF_WRITE(emu, ch, 0); 219 } 220 } 221 222 223 /* 224 * initialize DMA address 225 */ 226 static void 227 init_dma(struct snd_emu8000 *emu) 228 { 229 EMU8000_SMALR_WRITE(emu, 0); 230 EMU8000_SMARR_WRITE(emu, 0); 231 EMU8000_SMALW_WRITE(emu, 0); 232 EMU8000_SMARW_WRITE(emu, 0); 233 } 234 235 /* 236 * initialization arrays; from ADIP 237 */ 238 static unsigned short init1[128] = { 239 0x03ff, 0x0030, 0x07ff, 0x0130, 0x0bff, 0x0230, 0x0fff, 0x0330, 240 0x13ff, 0x0430, 0x17ff, 0x0530, 0x1bff, 0x0630, 0x1fff, 0x0730, 241 0x23ff, 0x0830, 0x27ff, 0x0930, 0x2bff, 0x0a30, 0x2fff, 0x0b30, 242 0x33ff, 0x0c30, 0x37ff, 0x0d30, 0x3bff, 0x0e30, 0x3fff, 0x0f30, 243 244 0x43ff, 0x0030, 0x47ff, 0x0130, 0x4bff, 0x0230, 0x4fff, 0x0330, 245 0x53ff, 0x0430, 0x57ff, 0x0530, 0x5bff, 0x0630, 0x5fff, 0x0730, 246 0x63ff, 0x0830, 0x67ff, 0x0930, 0x6bff, 0x0a30, 0x6fff, 0x0b30, 247 0x73ff, 0x0c30, 0x77ff, 0x0d30, 0x7bff, 0x0e30, 0x7fff, 0x0f30, 248 249 0x83ff, 0x0030, 0x87ff, 0x0130, 0x8bff, 0x0230, 0x8fff, 0x0330, 250 0x93ff, 0x0430, 0x97ff, 0x0530, 0x9bff, 0x0630, 0x9fff, 0x0730, 251 0xa3ff, 0x0830, 0xa7ff, 0x0930, 0xabff, 0x0a30, 0xafff, 0x0b30, 252 0xb3ff, 0x0c30, 0xb7ff, 0x0d30, 0xbbff, 0x0e30, 0xbfff, 0x0f30, 253 254 0xc3ff, 0x0030, 0xc7ff, 0x0130, 0xcbff, 0x0230, 0xcfff, 0x0330, 255 0xd3ff, 0x0430, 0xd7ff, 0x0530, 0xdbff, 0x0630, 0xdfff, 0x0730, 256 0xe3ff, 0x0830, 0xe7ff, 0x0930, 0xebff, 0x0a30, 0xefff, 0x0b30, 257 0xf3ff, 0x0c30, 0xf7ff, 0x0d30, 0xfbff, 0x0e30, 0xffff, 0x0f30, 258 }; 259 260 static unsigned short init2[128] = { 261 0x03ff, 0x8030, 0x07ff, 0x8130, 0x0bff, 0x8230, 0x0fff, 0x8330, 262 0x13ff, 0x8430, 0x17ff, 0x8530, 0x1bff, 0x8630, 0x1fff, 0x8730, 263 0x23ff, 0x8830, 0x27ff, 0x8930, 0x2bff, 0x8a30, 0x2fff, 0x8b30, 264 0x33ff, 0x8c30, 0x37ff, 0x8d30, 0x3bff, 0x8e30, 0x3fff, 0x8f30, 265 266 0x43ff, 0x8030, 0x47ff, 0x8130, 0x4bff, 0x8230, 0x4fff, 0x8330, 267 0x53ff, 0x8430, 0x57ff, 0x8530, 0x5bff, 0x8630, 0x5fff, 0x8730, 268 0x63ff, 0x8830, 0x67ff, 0x8930, 0x6bff, 0x8a30, 0x6fff, 0x8b30, 269 0x73ff, 0x8c30, 0x77ff, 0x8d30, 0x7bff, 0x8e30, 0x7fff, 0x8f30, 270 271 0x83ff, 0x8030, 0x87ff, 0x8130, 0x8bff, 0x8230, 0x8fff, 0x8330, 272 0x93ff, 0x8430, 0x97ff, 0x8530, 0x9bff, 0x8630, 0x9fff, 0x8730, 273 0xa3ff, 0x8830, 0xa7ff, 0x8930, 0xabff, 0x8a30, 0xafff, 0x8b30, 274 0xb3ff, 0x8c30, 0xb7ff, 0x8d30, 0xbbff, 0x8e30, 0xbfff, 0x8f30, 275 276 0xc3ff, 0x8030, 0xc7ff, 0x8130, 0xcbff, 0x8230, 0xcfff, 0x8330, 277 0xd3ff, 0x8430, 0xd7ff, 0x8530, 0xdbff, 0x8630, 0xdfff, 0x8730, 278 0xe3ff, 0x8830, 0xe7ff, 0x8930, 0xebff, 0x8a30, 0xefff, 0x8b30, 279 0xf3ff, 0x8c30, 0xf7ff, 0x8d30, 0xfbff, 0x8e30, 0xffff, 0x8f30, 280 }; 281 282 static unsigned short init3[128] = { 283 0x0C10, 0x8470, 0x14FE, 0xB488, 0x167F, 0xA470, 0x18E7, 0x84B5, 284 0x1B6E, 0x842A, 0x1F1D, 0x852A, 0x0DA3, 0x8F7C, 0x167E, 0xF254, 285 0x0000, 0x842A, 0x0001, 0x852A, 0x18E6, 0x8BAA, 0x1B6D, 0xF234, 286 0x229F, 0x8429, 0x2746, 0x8529, 0x1F1C, 0x86E7, 0x229E, 0xF224, 287 288 0x0DA4, 0x8429, 0x2C29, 0x8529, 0x2745, 0x87F6, 0x2C28, 0xF254, 289 0x383B, 0x8428, 0x320F, 0x8528, 0x320E, 0x8F02, 0x1341, 0xF264, 290 0x3EB6, 0x8428, 0x3EB9, 0x8528, 0x383A, 0x8FA9, 0x3EB5, 0xF294, 291 0x3EB7, 0x8474, 0x3EBA, 0x8575, 0x3EB8, 0xC4C3, 0x3EBB, 0xC5C3, 292 293 0x0000, 0xA404, 0x0001, 0xA504, 0x141F, 0x8671, 0x14FD, 0x8287, 294 0x3EBC, 0xE610, 0x3EC8, 0x8C7B, 0x031A, 0x87E6, 0x3EC8, 0x86F7, 295 0x3EC0, 0x821E, 0x3EBE, 0xD208, 0x3EBD, 0x821F, 0x3ECA, 0x8386, 296 0x3EC1, 0x8C03, 0x3EC9, 0x831E, 0x3ECA, 0x8C4C, 0x3EBF, 0x8C55, 297 298 0x3EC9, 0xC208, 0x3EC4, 0xBC84, 0x3EC8, 0x8EAD, 0x3EC8, 0xD308, 299 0x3EC2, 0x8F7E, 0x3ECB, 0x8219, 0x3ECB, 0xD26E, 0x3EC5, 0x831F, 300 0x3EC6, 0xC308, 0x3EC3, 0xB2FF, 0x3EC9, 0x8265, 0x3EC9, 0x8319, 301 0x1342, 0xD36E, 0x3EC7, 0xB3FF, 0x0000, 0x8365, 0x1420, 0x9570, 302 }; 303 304 static unsigned short init4[128] = { 305 0x0C10, 0x8470, 0x14FE, 0xB488, 0x167F, 0xA470, 0x18E7, 0x84B5, 306 0x1B6E, 0x842A, 0x1F1D, 0x852A, 0x0DA3, 0x0F7C, 0x167E, 0x7254, 307 0x0000, 0x842A, 0x0001, 0x852A, 0x18E6, 0x0BAA, 0x1B6D, 0x7234, 308 0x229F, 0x8429, 0x2746, 0x8529, 0x1F1C, 0x06E7, 0x229E, 0x7224, 309 310 0x0DA4, 0x8429, 0x2C29, 0x8529, 0x2745, 0x07F6, 0x2C28, 0x7254, 311 0x383B, 0x8428, 0x320F, 0x8528, 0x320E, 0x0F02, 0x1341, 0x7264, 312 0x3EB6, 0x8428, 0x3EB9, 0x8528, 0x383A, 0x0FA9, 0x3EB5, 0x7294, 313 0x3EB7, 0x8474, 0x3EBA, 0x8575, 0x3EB8, 0x44C3, 0x3EBB, 0x45C3, 314 315 0x0000, 0xA404, 0x0001, 0xA504, 0x141F, 0x0671, 0x14FD, 0x0287, 316 0x3EBC, 0xE610, 0x3EC8, 0x0C7B, 0x031A, 0x07E6, 0x3EC8, 0x86F7, 317 0x3EC0, 0x821E, 0x3EBE, 0xD208, 0x3EBD, 0x021F, 0x3ECA, 0x0386, 318 0x3EC1, 0x0C03, 0x3EC9, 0x031E, 0x3ECA, 0x8C4C, 0x3EBF, 0x0C55, 319 320 0x3EC9, 0xC208, 0x3EC4, 0xBC84, 0x3EC8, 0x0EAD, 0x3EC8, 0xD308, 321 0x3EC2, 0x8F7E, 0x3ECB, 0x0219, 0x3ECB, 0xD26E, 0x3EC5, 0x031F, 322 0x3EC6, 0xC308, 0x3EC3, 0x32FF, 0x3EC9, 0x0265, 0x3EC9, 0x8319, 323 0x1342, 0xD36E, 0x3EC7, 0x33FF, 0x0000, 0x8365, 0x1420, 0x9570, 324 }; 325 326 /* send an initialization array 327 * Taken from the oss driver, not obvious from the doc how this 328 * is meant to work 329 */ 330 static void 331 send_array(struct snd_emu8000 *emu, unsigned short *data, int size) 332 { 333 int i; 334 unsigned short *p; 335 336 p = data; 337 for (i = 0; i < size; i++, p++) 338 EMU8000_INIT1_WRITE(emu, i, *p); 339 for (i = 0; i < size; i++, p++) 340 EMU8000_INIT2_WRITE(emu, i, *p); 341 for (i = 0; i < size; i++, p++) 342 EMU8000_INIT3_WRITE(emu, i, *p); 343 for (i = 0; i < size; i++, p++) 344 EMU8000_INIT4_WRITE(emu, i, *p); 345 } 346 347 348 /* 349 * Send initialization arrays to start up, this just follows the 350 * initialisation sequence in the adip. 351 */ 352 static void 353 init_arrays(struct snd_emu8000 *emu) 354 { 355 send_array(emu, init1, ARRAY_SIZE(init1)/4); 356 357 msleep((1024 * 1000) / 44100); /* wait for 1024 clocks */ 358 send_array(emu, init2, ARRAY_SIZE(init2)/4); 359 send_array(emu, init3, ARRAY_SIZE(init3)/4); 360 361 EMU8000_HWCF4_WRITE(emu, 0); 362 EMU8000_HWCF5_WRITE(emu, 0x83); 363 EMU8000_HWCF6_WRITE(emu, 0x8000); 364 365 send_array(emu, init4, ARRAY_SIZE(init4)/4); 366 } 367 368 369 #define UNIQUE_ID1 0xa5b9 370 #define UNIQUE_ID2 0x9d53 371 372 /* 373 * Size the onboard memory. 374 * This is written so as not to need arbitrary delays after the write. It 375 * seems that the only way to do this is to use the one channel and keep 376 * reallocating between read and write. 377 */ 378 static void 379 size_dram(struct snd_emu8000 *emu) 380 { 381 int i, size; 382 383 if (emu->dram_checked) 384 return; 385 386 size = 0; 387 388 /* write out a magic number */ 389 snd_emu8000_dma_chan(emu, 0, EMU8000_RAM_WRITE); 390 snd_emu8000_dma_chan(emu, 1, EMU8000_RAM_READ); 391 EMU8000_SMALW_WRITE(emu, EMU8000_DRAM_OFFSET); 392 EMU8000_SMLD_WRITE(emu, UNIQUE_ID1); 393 snd_emu8000_init_fm(emu); /* This must really be here and not 2 lines back even */ 394 snd_emu8000_write_wait(emu); 395 396 /* 397 * Detect first 512 KiB. If a write succeeds at the beginning of a 398 * 512 KiB page we assume that the whole page is there. 399 */ 400 EMU8000_SMALR_WRITE(emu, EMU8000_DRAM_OFFSET); 401 EMU8000_SMLD_READ(emu); /* discard stale data */ 402 if (EMU8000_SMLD_READ(emu) != UNIQUE_ID1) 403 goto skip_detect; /* No RAM */ 404 snd_emu8000_read_wait(emu); 405 406 for (size = 512 * 1024; size < EMU8000_MAX_DRAM; size += 512 * 1024) { 407 408 /* Write a unique data on the test address. 409 * if the address is out of range, the data is written on 410 * 0x200000(=EMU8000_DRAM_OFFSET). Then the id word is 411 * changed by this data. 412 */ 413 /*snd_emu8000_dma_chan(emu, 0, EMU8000_RAM_WRITE);*/ 414 EMU8000_SMALW_WRITE(emu, EMU8000_DRAM_OFFSET + (size>>1)); 415 EMU8000_SMLD_WRITE(emu, UNIQUE_ID2); 416 snd_emu8000_write_wait(emu); 417 418 /* 419 * read the data on the just written DRAM address 420 * if not the same then we have reached the end of ram. 421 */ 422 /*snd_emu8000_dma_chan(emu, 0, EMU8000_RAM_READ);*/ 423 EMU8000_SMALR_WRITE(emu, EMU8000_DRAM_OFFSET + (size>>1)); 424 /*snd_emu8000_read_wait(emu);*/ 425 EMU8000_SMLD_READ(emu); /* discard stale data */ 426 if (EMU8000_SMLD_READ(emu) != UNIQUE_ID2) 427 break; /* no memory at this address */ 428 snd_emu8000_read_wait(emu); 429 430 /* 431 * If it is the same it could be that the address just 432 * wraps back to the beginning; so check to see if the 433 * initial value has been overwritten. 434 */ 435 EMU8000_SMALR_WRITE(emu, EMU8000_DRAM_OFFSET); 436 EMU8000_SMLD_READ(emu); /* discard stale data */ 437 if (EMU8000_SMLD_READ(emu) != UNIQUE_ID1) 438 break; /* we must have wrapped around */ 439 snd_emu8000_read_wait(emu); 440 441 /* Otherwise, it's valid memory. */ 442 } 443 444 skip_detect: 445 /* wait until FULL bit in SMAxW register is false */ 446 for (i = 0; i < 10000; i++) { 447 if ((EMU8000_SMALW_READ(emu) & 0x80000000) == 0) 448 break; 449 schedule_timeout_interruptible(1); 450 if (signal_pending(current)) 451 break; 452 } 453 snd_emu8000_dma_chan(emu, 0, EMU8000_RAM_CLOSE); 454 snd_emu8000_dma_chan(emu, 1, EMU8000_RAM_CLOSE); 455 456 pr_info("EMU8000 [0x%lx]: %d KiB on-board DRAM detected\n", 457 emu->port1, size/1024); 458 459 emu->mem_size = size; 460 emu->dram_checked = 1; 461 } 462 463 464 /* 465 * Initiailise the FM section. You have to do this to use sample RAM 466 * and therefore lose 2 voices. 467 */ 468 /*exported*/ void 469 snd_emu8000_init_fm(struct snd_emu8000 *emu) 470 { 471 unsigned long flags; 472 473 /* Initialize the last two channels for DRAM refresh and producing 474 the reverb and chorus effects for Yamaha OPL-3 synthesizer */ 475 476 /* 31: FM left channel, 0xffffe0-0xffffe8 */ 477 EMU8000_DCYSUSV_WRITE(emu, 30, 0x80); 478 EMU8000_PSST_WRITE(emu, 30, 0xFFFFFFE0); /* full left */ 479 EMU8000_CSL_WRITE(emu, 30, 0x00FFFFE8 | (emu->fm_chorus_depth << 24)); 480 EMU8000_PTRX_WRITE(emu, 30, (emu->fm_reverb_depth << 8)); 481 EMU8000_CPF_WRITE(emu, 30, 0); 482 EMU8000_CCCA_WRITE(emu, 30, 0x00FFFFE3); 483 484 /* 32: FM right channel, 0xfffff0-0xfffff8 */ 485 EMU8000_DCYSUSV_WRITE(emu, 31, 0x80); 486 EMU8000_PSST_WRITE(emu, 31, 0x00FFFFF0); /* full right */ 487 EMU8000_CSL_WRITE(emu, 31, 0x00FFFFF8 | (emu->fm_chorus_depth << 24)); 488 EMU8000_PTRX_WRITE(emu, 31, (emu->fm_reverb_depth << 8)); 489 EMU8000_CPF_WRITE(emu, 31, 0x8000); 490 EMU8000_CCCA_WRITE(emu, 31, 0x00FFFFF3); 491 492 snd_emu8000_poke((emu), EMU8000_DATA0(emu), EMU8000_CMD(1, (30)), 0); 493 494 spin_lock_irqsave(&emu->reg_lock, flags); 495 while (!(inw(EMU8000_PTR(emu)) & 0x1000)) 496 ; 497 while ((inw(EMU8000_PTR(emu)) & 0x1000)) 498 ; 499 spin_unlock_irqrestore(&emu->reg_lock, flags); 500 snd_emu8000_poke((emu), EMU8000_DATA0(emu), EMU8000_CMD(1, (30)), 0x4828); 501 /* this is really odd part.. */ 502 outb(0x3C, EMU8000_PTR(emu)); 503 outb(0, EMU8000_DATA1(emu)); 504 505 /* skew volume & cutoff */ 506 EMU8000_VTFT_WRITE(emu, 30, 0x8000FFFF); 507 EMU8000_VTFT_WRITE(emu, 31, 0x8000FFFF); 508 } 509 510 511 /* 512 * The main initialization routine. 513 */ 514 static void 515 snd_emu8000_init_hw(struct snd_emu8000 *emu) 516 { 517 int i; 518 519 emu->last_reg = 0xffff; /* reset the last register index */ 520 521 /* initialize hardware configuration */ 522 EMU8000_HWCF1_WRITE(emu, 0x0059); 523 EMU8000_HWCF2_WRITE(emu, 0x0020); 524 525 /* disable audio; this seems to reduce a clicking noise a bit.. */ 526 EMU8000_HWCF3_WRITE(emu, 0); 527 528 /* initialize audio channels */ 529 init_audio(emu); 530 531 /* initialize DMA */ 532 init_dma(emu); 533 534 /* initialize init arrays */ 535 init_arrays(emu); 536 537 /* 538 * Initialize the FM section of the AWE32, this is needed 539 * for DRAM refresh as well 540 */ 541 snd_emu8000_init_fm(emu); 542 543 /* terminate all voices */ 544 for (i = 0; i < EMU8000_DRAM_VOICES; i++) 545 EMU8000_DCYSUSV_WRITE(emu, 0, 0x807F); 546 547 /* check DRAM memory size */ 548 size_dram(emu); 549 550 /* enable audio */ 551 EMU8000_HWCF3_WRITE(emu, 0x4); 552 553 /* set equzlier, chorus and reverb modes */ 554 snd_emu8000_update_equalizer(emu); 555 snd_emu8000_update_chorus_mode(emu); 556 snd_emu8000_update_reverb_mode(emu); 557 } 558 559 560 /*---------------------------------------------------------------- 561 * Bass/Treble Equalizer 562 *----------------------------------------------------------------*/ 563 564 static unsigned short bass_parm[12][3] = { 565 {0xD26A, 0xD36A, 0x0000}, /* -12 dB */ 566 {0xD25B, 0xD35B, 0x0000}, /* -8 */ 567 {0xD24C, 0xD34C, 0x0000}, /* -6 */ 568 {0xD23D, 0xD33D, 0x0000}, /* -4 */ 569 {0xD21F, 0xD31F, 0x0000}, /* -2 */ 570 {0xC208, 0xC308, 0x0001}, /* 0 (HW default) */ 571 {0xC219, 0xC319, 0x0001}, /* +2 */ 572 {0xC22A, 0xC32A, 0x0001}, /* +4 */ 573 {0xC24C, 0xC34C, 0x0001}, /* +6 */ 574 {0xC26E, 0xC36E, 0x0001}, /* +8 */ 575 {0xC248, 0xC384, 0x0002}, /* +10 */ 576 {0xC26A, 0xC36A, 0x0002}, /* +12 dB */ 577 }; 578 579 static unsigned short treble_parm[12][9] = { 580 {0x821E, 0xC26A, 0x031E, 0xC36A, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001}, /* -12 dB */ 581 {0x821E, 0xC25B, 0x031E, 0xC35B, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001}, 582 {0x821E, 0xC24C, 0x031E, 0xC34C, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001}, 583 {0x821E, 0xC23D, 0x031E, 0xC33D, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001}, 584 {0x821E, 0xC21F, 0x031E, 0xC31F, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001}, 585 {0x821E, 0xD208, 0x031E, 0xD308, 0x021E, 0xD208, 0x831E, 0xD308, 0x0002}, 586 {0x821E, 0xD208, 0x031E, 0xD308, 0x021D, 0xD219, 0x831D, 0xD319, 0x0002}, 587 {0x821E, 0xD208, 0x031E, 0xD308, 0x021C, 0xD22A, 0x831C, 0xD32A, 0x0002}, 588 {0x821E, 0xD208, 0x031E, 0xD308, 0x021A, 0xD24C, 0x831A, 0xD34C, 0x0002}, 589 {0x821E, 0xD208, 0x031E, 0xD308, 0x0219, 0xD26E, 0x8319, 0xD36E, 0x0002}, /* +8 (HW default) */ 590 {0x821D, 0xD219, 0x031D, 0xD319, 0x0219, 0xD26E, 0x8319, 0xD36E, 0x0002}, 591 {0x821C, 0xD22A, 0x031C, 0xD32A, 0x0219, 0xD26E, 0x8319, 0xD36E, 0x0002} /* +12 dB */ 592 }; 593 594 595 /* 596 * set Emu8000 digital equalizer; from 0 to 11 [-12dB - 12dB] 597 */ 598 /*exported*/ void 599 snd_emu8000_update_equalizer(struct snd_emu8000 *emu) 600 { 601 unsigned short w; 602 int bass = emu->bass_level; 603 int treble = emu->treble_level; 604 605 if (bass < 0 || bass > 11 || treble < 0 || treble > 11) 606 return; 607 EMU8000_INIT4_WRITE(emu, 0x01, bass_parm[bass][0]); 608 EMU8000_INIT4_WRITE(emu, 0x11, bass_parm[bass][1]); 609 EMU8000_INIT3_WRITE(emu, 0x11, treble_parm[treble][0]); 610 EMU8000_INIT3_WRITE(emu, 0x13, treble_parm[treble][1]); 611 EMU8000_INIT3_WRITE(emu, 0x1b, treble_parm[treble][2]); 612 EMU8000_INIT4_WRITE(emu, 0x07, treble_parm[treble][3]); 613 EMU8000_INIT4_WRITE(emu, 0x0b, treble_parm[treble][4]); 614 EMU8000_INIT4_WRITE(emu, 0x0d, treble_parm[treble][5]); 615 EMU8000_INIT4_WRITE(emu, 0x17, treble_parm[treble][6]); 616 EMU8000_INIT4_WRITE(emu, 0x19, treble_parm[treble][7]); 617 w = bass_parm[bass][2] + treble_parm[treble][8]; 618 EMU8000_INIT4_WRITE(emu, 0x15, (unsigned short)(w + 0x0262)); 619 EMU8000_INIT4_WRITE(emu, 0x1d, (unsigned short)(w + 0x8362)); 620 } 621 622 623 /*---------------------------------------------------------------- 624 * Chorus mode control 625 *----------------------------------------------------------------*/ 626 627 /* 628 * chorus mode parameters 629 */ 630 #define SNDRV_EMU8000_CHORUS_1 0 631 #define SNDRV_EMU8000_CHORUS_2 1 632 #define SNDRV_EMU8000_CHORUS_3 2 633 #define SNDRV_EMU8000_CHORUS_4 3 634 #define SNDRV_EMU8000_CHORUS_FEEDBACK 4 635 #define SNDRV_EMU8000_CHORUS_FLANGER 5 636 #define SNDRV_EMU8000_CHORUS_SHORTDELAY 6 637 #define SNDRV_EMU8000_CHORUS_SHORTDELAY2 7 638 #define SNDRV_EMU8000_CHORUS_PREDEFINED 8 639 /* user can define chorus modes up to 32 */ 640 #define SNDRV_EMU8000_CHORUS_NUMBERS 32 641 642 struct soundfont_chorus_fx { 643 unsigned short feedback; /* feedback level (0xE600-0xE6FF) */ 644 unsigned short delay_offset; /* delay (0-0x0DA3) [1/44100 sec] */ 645 unsigned short lfo_depth; /* LFO depth (0xBC00-0xBCFF) */ 646 unsigned int delay; /* right delay (0-0xFFFFFFFF) [1/256/44100 sec] */ 647 unsigned int lfo_freq; /* LFO freq LFO freq (0-0xFFFFFFFF) */ 648 }; 649 650 /* 5 parameters for each chorus mode; 3 x 16bit, 2 x 32bit */ 651 static char chorus_defined[SNDRV_EMU8000_CHORUS_NUMBERS]; 652 static struct soundfont_chorus_fx chorus_parm[SNDRV_EMU8000_CHORUS_NUMBERS] = { 653 {0xE600, 0x03F6, 0xBC2C ,0x00000000, 0x0000006D}, /* chorus 1 */ 654 {0xE608, 0x031A, 0xBC6E, 0x00000000, 0x0000017C}, /* chorus 2 */ 655 {0xE610, 0x031A, 0xBC84, 0x00000000, 0x00000083}, /* chorus 3 */ 656 {0xE620, 0x0269, 0xBC6E, 0x00000000, 0x0000017C}, /* chorus 4 */ 657 {0xE680, 0x04D3, 0xBCA6, 0x00000000, 0x0000005B}, /* feedback */ 658 {0xE6E0, 0x044E, 0xBC37, 0x00000000, 0x00000026}, /* flanger */ 659 {0xE600, 0x0B06, 0xBC00, 0x0006E000, 0x00000083}, /* short delay */ 660 {0xE6C0, 0x0B06, 0xBC00, 0x0006E000, 0x00000083}, /* short delay + feedback */ 661 }; 662 663 /*exported*/ int 664 snd_emu8000_load_chorus_fx(struct snd_emu8000 *emu, int mode, const void __user *buf, long len) 665 { 666 struct soundfont_chorus_fx rec; 667 if (mode < SNDRV_EMU8000_CHORUS_PREDEFINED || mode >= SNDRV_EMU8000_CHORUS_NUMBERS) { 668 snd_printk(KERN_WARNING "invalid chorus mode %d for uploading\n", mode); 669 return -EINVAL; 670 } 671 if (len < (long)sizeof(rec) || copy_from_user(&rec, buf, sizeof(rec))) 672 return -EFAULT; 673 chorus_parm[mode] = rec; 674 chorus_defined[mode] = 1; 675 return 0; 676 } 677 678 /*exported*/ void 679 snd_emu8000_update_chorus_mode(struct snd_emu8000 *emu) 680 { 681 int effect = emu->chorus_mode; 682 if (effect < 0 || effect >= SNDRV_EMU8000_CHORUS_NUMBERS || 683 (effect >= SNDRV_EMU8000_CHORUS_PREDEFINED && !chorus_defined[effect])) 684 return; 685 EMU8000_INIT3_WRITE(emu, 0x09, chorus_parm[effect].feedback); 686 EMU8000_INIT3_WRITE(emu, 0x0c, chorus_parm[effect].delay_offset); 687 EMU8000_INIT4_WRITE(emu, 0x03, chorus_parm[effect].lfo_depth); 688 EMU8000_HWCF4_WRITE(emu, chorus_parm[effect].delay); 689 EMU8000_HWCF5_WRITE(emu, chorus_parm[effect].lfo_freq); 690 EMU8000_HWCF6_WRITE(emu, 0x8000); 691 EMU8000_HWCF7_WRITE(emu, 0x0000); 692 } 693 694 /*---------------------------------------------------------------- 695 * Reverb mode control 696 *----------------------------------------------------------------*/ 697 698 /* 699 * reverb mode parameters 700 */ 701 #define SNDRV_EMU8000_REVERB_ROOM1 0 702 #define SNDRV_EMU8000_REVERB_ROOM2 1 703 #define SNDRV_EMU8000_REVERB_ROOM3 2 704 #define SNDRV_EMU8000_REVERB_HALL1 3 705 #define SNDRV_EMU8000_REVERB_HALL2 4 706 #define SNDRV_EMU8000_REVERB_PLATE 5 707 #define SNDRV_EMU8000_REVERB_DELAY 6 708 #define SNDRV_EMU8000_REVERB_PANNINGDELAY 7 709 #define SNDRV_EMU8000_REVERB_PREDEFINED 8 710 /* user can define reverb modes up to 32 */ 711 #define SNDRV_EMU8000_REVERB_NUMBERS 32 712 713 struct soundfont_reverb_fx { 714 unsigned short parms[28]; 715 }; 716 717 /* reverb mode settings; write the following 28 data of 16 bit length 718 * on the corresponding ports in the reverb_cmds array 719 */ 720 static char reverb_defined[SNDRV_EMU8000_CHORUS_NUMBERS]; 721 static struct soundfont_reverb_fx reverb_parm[SNDRV_EMU8000_REVERB_NUMBERS] = { 722 {{ /* room 1 */ 723 0xB488, 0xA450, 0x9550, 0x84B5, 0x383A, 0x3EB5, 0x72F4, 724 0x72A4, 0x7254, 0x7204, 0x7204, 0x7204, 0x4416, 0x4516, 725 0xA490, 0xA590, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429, 726 0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528, 727 }}, 728 {{ /* room 2 */ 729 0xB488, 0xA458, 0x9558, 0x84B5, 0x383A, 0x3EB5, 0x7284, 730 0x7254, 0x7224, 0x7224, 0x7254, 0x7284, 0x4448, 0x4548, 731 0xA440, 0xA540, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429, 732 0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528, 733 }}, 734 {{ /* room 3 */ 735 0xB488, 0xA460, 0x9560, 0x84B5, 0x383A, 0x3EB5, 0x7284, 736 0x7254, 0x7224, 0x7224, 0x7254, 0x7284, 0x4416, 0x4516, 737 0xA490, 0xA590, 0x842C, 0x852C, 0x842C, 0x852C, 0x842B, 738 0x852B, 0x842B, 0x852B, 0x842A, 0x852A, 0x842A, 0x852A, 739 }}, 740 {{ /* hall 1 */ 741 0xB488, 0xA470, 0x9570, 0x84B5, 0x383A, 0x3EB5, 0x7284, 742 0x7254, 0x7224, 0x7224, 0x7254, 0x7284, 0x4448, 0x4548, 743 0xA440, 0xA540, 0x842B, 0x852B, 0x842B, 0x852B, 0x842A, 744 0x852A, 0x842A, 0x852A, 0x8429, 0x8529, 0x8429, 0x8529, 745 }}, 746 {{ /* hall 2 */ 747 0xB488, 0xA470, 0x9570, 0x84B5, 0x383A, 0x3EB5, 0x7254, 748 0x7234, 0x7224, 0x7254, 0x7264, 0x7294, 0x44C3, 0x45C3, 749 0xA404, 0xA504, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429, 750 0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528, 751 }}, 752 {{ /* plate */ 753 0xB4FF, 0xA470, 0x9570, 0x84B5, 0x383A, 0x3EB5, 0x7234, 754 0x7234, 0x7234, 0x7234, 0x7234, 0x7234, 0x4448, 0x4548, 755 0xA440, 0xA540, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429, 756 0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528, 757 }}, 758 {{ /* delay */ 759 0xB4FF, 0xA470, 0x9500, 0x84B5, 0x333A, 0x39B5, 0x7204, 760 0x7204, 0x7204, 0x7204, 0x7204, 0x72F4, 0x4400, 0x4500, 761 0xA4FF, 0xA5FF, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420, 762 0x8520, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420, 0x8520, 763 }}, 764 {{ /* panning delay */ 765 0xB4FF, 0xA490, 0x9590, 0x8474, 0x333A, 0x39B5, 0x7204, 766 0x7204, 0x7204, 0x7204, 0x7204, 0x72F4, 0x4400, 0x4500, 767 0xA4FF, 0xA5FF, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420, 768 0x8520, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420, 0x8520, 769 }}, 770 }; 771 772 enum { DATA1, DATA2 }; 773 #define AWE_INIT1(c) EMU8000_CMD(2,c), DATA1 774 #define AWE_INIT2(c) EMU8000_CMD(2,c), DATA2 775 #define AWE_INIT3(c) EMU8000_CMD(3,c), DATA1 776 #define AWE_INIT4(c) EMU8000_CMD(3,c), DATA2 777 778 static struct reverb_cmd_pair { 779 unsigned short cmd, port; 780 } reverb_cmds[28] = { 781 {AWE_INIT1(0x03)}, {AWE_INIT1(0x05)}, {AWE_INIT4(0x1F)}, {AWE_INIT1(0x07)}, 782 {AWE_INIT2(0x14)}, {AWE_INIT2(0x16)}, {AWE_INIT1(0x0F)}, {AWE_INIT1(0x17)}, 783 {AWE_INIT1(0x1F)}, {AWE_INIT2(0x07)}, {AWE_INIT2(0x0F)}, {AWE_INIT2(0x17)}, 784 {AWE_INIT2(0x1D)}, {AWE_INIT2(0x1F)}, {AWE_INIT3(0x01)}, {AWE_INIT3(0x03)}, 785 {AWE_INIT1(0x09)}, {AWE_INIT1(0x0B)}, {AWE_INIT1(0x11)}, {AWE_INIT1(0x13)}, 786 {AWE_INIT1(0x19)}, {AWE_INIT1(0x1B)}, {AWE_INIT2(0x01)}, {AWE_INIT2(0x03)}, 787 {AWE_INIT2(0x09)}, {AWE_INIT2(0x0B)}, {AWE_INIT2(0x11)}, {AWE_INIT2(0x13)}, 788 }; 789 790 /*exported*/ int 791 snd_emu8000_load_reverb_fx(struct snd_emu8000 *emu, int mode, const void __user *buf, long len) 792 { 793 struct soundfont_reverb_fx rec; 794 795 if (mode < SNDRV_EMU8000_REVERB_PREDEFINED || mode >= SNDRV_EMU8000_REVERB_NUMBERS) { 796 snd_printk(KERN_WARNING "invalid reverb mode %d for uploading\n", mode); 797 return -EINVAL; 798 } 799 if (len < (long)sizeof(rec) || copy_from_user(&rec, buf, sizeof(rec))) 800 return -EFAULT; 801 reverb_parm[mode] = rec; 802 reverb_defined[mode] = 1; 803 return 0; 804 } 805 806 /*exported*/ void 807 snd_emu8000_update_reverb_mode(struct snd_emu8000 *emu) 808 { 809 int effect = emu->reverb_mode; 810 int i; 811 812 if (effect < 0 || effect >= SNDRV_EMU8000_REVERB_NUMBERS || 813 (effect >= SNDRV_EMU8000_REVERB_PREDEFINED && !reverb_defined[effect])) 814 return; 815 for (i = 0; i < 28; i++) { 816 int port; 817 if (reverb_cmds[i].port == DATA1) 818 port = EMU8000_DATA1(emu); 819 else 820 port = EMU8000_DATA2(emu); 821 snd_emu8000_poke(emu, port, reverb_cmds[i].cmd, reverb_parm[effect].parms[i]); 822 } 823 } 824 825 826 /*---------------------------------------------------------------- 827 * mixer interface 828 *----------------------------------------------------------------*/ 829 830 /* 831 * bass/treble 832 */ 833 static int mixer_bass_treble_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 834 { 835 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 836 uinfo->count = 1; 837 uinfo->value.integer.min = 0; 838 uinfo->value.integer.max = 11; 839 return 0; 840 } 841 842 static int mixer_bass_treble_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 843 { 844 struct snd_emu8000 *emu = snd_kcontrol_chip(kcontrol); 845 846 ucontrol->value.integer.value[0] = kcontrol->private_value ? emu->treble_level : emu->bass_level; 847 return 0; 848 } 849 850 static int mixer_bass_treble_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 851 { 852 struct snd_emu8000 *emu = snd_kcontrol_chip(kcontrol); 853 unsigned long flags; 854 int change; 855 unsigned short val1; 856 857 val1 = ucontrol->value.integer.value[0] % 12; 858 spin_lock_irqsave(&emu->control_lock, flags); 859 if (kcontrol->private_value) { 860 change = val1 != emu->treble_level; 861 emu->treble_level = val1; 862 } else { 863 change = val1 != emu->bass_level; 864 emu->bass_level = val1; 865 } 866 spin_unlock_irqrestore(&emu->control_lock, flags); 867 snd_emu8000_update_equalizer(emu); 868 return change; 869 } 870 871 static struct snd_kcontrol_new mixer_bass_control = 872 { 873 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 874 .name = "Synth Tone Control - Bass", 875 .info = mixer_bass_treble_info, 876 .get = mixer_bass_treble_get, 877 .put = mixer_bass_treble_put, 878 .private_value = 0, 879 }; 880 881 static struct snd_kcontrol_new mixer_treble_control = 882 { 883 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 884 .name = "Synth Tone Control - Treble", 885 .info = mixer_bass_treble_info, 886 .get = mixer_bass_treble_get, 887 .put = mixer_bass_treble_put, 888 .private_value = 1, 889 }; 890 891 /* 892 * chorus/reverb mode 893 */ 894 static int mixer_chorus_reverb_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 895 { 896 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 897 uinfo->count = 1; 898 uinfo->value.integer.min = 0; 899 uinfo->value.integer.max = kcontrol->private_value ? (SNDRV_EMU8000_CHORUS_NUMBERS-1) : (SNDRV_EMU8000_REVERB_NUMBERS-1); 900 return 0; 901 } 902 903 static int mixer_chorus_reverb_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 904 { 905 struct snd_emu8000 *emu = snd_kcontrol_chip(kcontrol); 906 907 ucontrol->value.integer.value[0] = kcontrol->private_value ? emu->chorus_mode : emu->reverb_mode; 908 return 0; 909 } 910 911 static int mixer_chorus_reverb_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 912 { 913 struct snd_emu8000 *emu = snd_kcontrol_chip(kcontrol); 914 unsigned long flags; 915 int change; 916 unsigned short val1; 917 918 spin_lock_irqsave(&emu->control_lock, flags); 919 if (kcontrol->private_value) { 920 val1 = ucontrol->value.integer.value[0] % SNDRV_EMU8000_CHORUS_NUMBERS; 921 change = val1 != emu->chorus_mode; 922 emu->chorus_mode = val1; 923 } else { 924 val1 = ucontrol->value.integer.value[0] % SNDRV_EMU8000_REVERB_NUMBERS; 925 change = val1 != emu->reverb_mode; 926 emu->reverb_mode = val1; 927 } 928 spin_unlock_irqrestore(&emu->control_lock, flags); 929 if (change) { 930 if (kcontrol->private_value) 931 snd_emu8000_update_chorus_mode(emu); 932 else 933 snd_emu8000_update_reverb_mode(emu); 934 } 935 return change; 936 } 937 938 static struct snd_kcontrol_new mixer_chorus_mode_control = 939 { 940 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 941 .name = "Chorus Mode", 942 .info = mixer_chorus_reverb_info, 943 .get = mixer_chorus_reverb_get, 944 .put = mixer_chorus_reverb_put, 945 .private_value = 1, 946 }; 947 948 static struct snd_kcontrol_new mixer_reverb_mode_control = 949 { 950 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 951 .name = "Reverb Mode", 952 .info = mixer_chorus_reverb_info, 953 .get = mixer_chorus_reverb_get, 954 .put = mixer_chorus_reverb_put, 955 .private_value = 0, 956 }; 957 958 /* 959 * FM OPL3 chorus/reverb depth 960 */ 961 static int mixer_fm_depth_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 962 { 963 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 964 uinfo->count = 1; 965 uinfo->value.integer.min = 0; 966 uinfo->value.integer.max = 255; 967 return 0; 968 } 969 970 static int mixer_fm_depth_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 971 { 972 struct snd_emu8000 *emu = snd_kcontrol_chip(kcontrol); 973 974 ucontrol->value.integer.value[0] = kcontrol->private_value ? emu->fm_chorus_depth : emu->fm_reverb_depth; 975 return 0; 976 } 977 978 static int mixer_fm_depth_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 979 { 980 struct snd_emu8000 *emu = snd_kcontrol_chip(kcontrol); 981 unsigned long flags; 982 int change; 983 unsigned short val1; 984 985 val1 = ucontrol->value.integer.value[0] % 256; 986 spin_lock_irqsave(&emu->control_lock, flags); 987 if (kcontrol->private_value) { 988 change = val1 != emu->fm_chorus_depth; 989 emu->fm_chorus_depth = val1; 990 } else { 991 change = val1 != emu->fm_reverb_depth; 992 emu->fm_reverb_depth = val1; 993 } 994 spin_unlock_irqrestore(&emu->control_lock, flags); 995 if (change) 996 snd_emu8000_init_fm(emu); 997 return change; 998 } 999 1000 static struct snd_kcontrol_new mixer_fm_chorus_depth_control = 1001 { 1002 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1003 .name = "FM Chorus Depth", 1004 .info = mixer_fm_depth_info, 1005 .get = mixer_fm_depth_get, 1006 .put = mixer_fm_depth_put, 1007 .private_value = 1, 1008 }; 1009 1010 static struct snd_kcontrol_new mixer_fm_reverb_depth_control = 1011 { 1012 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1013 .name = "FM Reverb Depth", 1014 .info = mixer_fm_depth_info, 1015 .get = mixer_fm_depth_get, 1016 .put = mixer_fm_depth_put, 1017 .private_value = 0, 1018 }; 1019 1020 1021 static struct snd_kcontrol_new *mixer_defs[EMU8000_NUM_CONTROLS] = { 1022 &mixer_bass_control, 1023 &mixer_treble_control, 1024 &mixer_chorus_mode_control, 1025 &mixer_reverb_mode_control, 1026 &mixer_fm_chorus_depth_control, 1027 &mixer_fm_reverb_depth_control, 1028 }; 1029 1030 /* 1031 * create and attach mixer elements for WaveTable treble/bass controls 1032 */ 1033 static int 1034 snd_emu8000_create_mixer(struct snd_card *card, struct snd_emu8000 *emu) 1035 { 1036 int i, err = 0; 1037 1038 if (snd_BUG_ON(!emu || !card)) 1039 return -EINVAL; 1040 1041 spin_lock_init(&emu->control_lock); 1042 1043 memset(emu->controls, 0, sizeof(emu->controls)); 1044 for (i = 0; i < EMU8000_NUM_CONTROLS; i++) { 1045 if ((err = snd_ctl_add(card, emu->controls[i] = snd_ctl_new1(mixer_defs[i], emu))) < 0) 1046 goto __error; 1047 } 1048 return 0; 1049 1050 __error: 1051 for (i = 0; i < EMU8000_NUM_CONTROLS; i++) { 1052 down_write(&card->controls_rwsem); 1053 if (emu->controls[i]) 1054 snd_ctl_remove(card, emu->controls[i]); 1055 up_write(&card->controls_rwsem); 1056 } 1057 return err; 1058 } 1059 1060 1061 /* 1062 * free resources 1063 */ 1064 static int snd_emu8000_free(struct snd_emu8000 *hw) 1065 { 1066 release_and_free_resource(hw->res_port1); 1067 release_and_free_resource(hw->res_port2); 1068 release_and_free_resource(hw->res_port3); 1069 kfree(hw); 1070 return 0; 1071 } 1072 1073 /* 1074 */ 1075 static int snd_emu8000_dev_free(struct snd_device *device) 1076 { 1077 struct snd_emu8000 *hw = device->device_data; 1078 return snd_emu8000_free(hw); 1079 } 1080 1081 /* 1082 * initialize and register emu8000 synth device. 1083 */ 1084 int 1085 snd_emu8000_new(struct snd_card *card, int index, long port, int seq_ports, 1086 struct snd_seq_device **awe_ret) 1087 { 1088 struct snd_seq_device *awe; 1089 struct snd_emu8000 *hw; 1090 int err; 1091 static struct snd_device_ops ops = { 1092 .dev_free = snd_emu8000_dev_free, 1093 }; 1094 1095 if (awe_ret) 1096 *awe_ret = NULL; 1097 1098 if (seq_ports <= 0) 1099 return 0; 1100 1101 hw = kzalloc(sizeof(*hw), GFP_KERNEL); 1102 if (hw == NULL) 1103 return -ENOMEM; 1104 spin_lock_init(&hw->reg_lock); 1105 hw->index = index; 1106 hw->port1 = port; 1107 hw->port2 = port + 0x400; 1108 hw->port3 = port + 0x800; 1109 if (!(hw->res_port1 = request_region(hw->port1, 4, "Emu8000-1")) || 1110 !(hw->res_port2 = request_region(hw->port2, 4, "Emu8000-2")) || 1111 !(hw->res_port3 = request_region(hw->port3, 4, "Emu8000-3"))) { 1112 snd_printk(KERN_ERR "sbawe: can't grab ports 0x%lx, 0x%lx, 0x%lx\n", hw->port1, hw->port2, hw->port3); 1113 snd_emu8000_free(hw); 1114 return -EBUSY; 1115 } 1116 hw->mem_size = 0; 1117 hw->card = card; 1118 hw->seq_ports = seq_ports; 1119 hw->bass_level = 5; 1120 hw->treble_level = 9; 1121 hw->chorus_mode = 2; 1122 hw->reverb_mode = 4; 1123 hw->fm_chorus_depth = 0; 1124 hw->fm_reverb_depth = 0; 1125 1126 if (snd_emu8000_detect(hw) < 0) { 1127 snd_emu8000_free(hw); 1128 return -ENODEV; 1129 } 1130 1131 snd_emu8000_init_hw(hw); 1132 if ((err = snd_emu8000_create_mixer(card, hw)) < 0) { 1133 snd_emu8000_free(hw); 1134 return err; 1135 } 1136 1137 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, hw, &ops)) < 0) { 1138 snd_emu8000_free(hw); 1139 return err; 1140 } 1141 #if IS_ENABLED(CONFIG_SND_SEQUENCER) 1142 if (snd_seq_device_new(card, index, SNDRV_SEQ_DEV_ID_EMU8000, 1143 sizeof(struct snd_emu8000*), &awe) >= 0) { 1144 strcpy(awe->name, "EMU-8000"); 1145 *(struct snd_emu8000 **)SNDRV_SEQ_DEVICE_ARGPTR(awe) = hw; 1146 } 1147 #else 1148 awe = NULL; 1149 #endif 1150 if (awe_ret) 1151 *awe_ret = awe; 1152 1153 return 0; 1154 } 1155 1156 1157 /* 1158 * exported stuff 1159 */ 1160 1161 EXPORT_SYMBOL(snd_emu8000_poke); 1162 EXPORT_SYMBOL(snd_emu8000_peek); 1163 EXPORT_SYMBOL(snd_emu8000_poke_dw); 1164 EXPORT_SYMBOL(snd_emu8000_peek_dw); 1165 EXPORT_SYMBOL(snd_emu8000_dma_chan); 1166 EXPORT_SYMBOL(snd_emu8000_init_fm); 1167 EXPORT_SYMBOL(snd_emu8000_load_chorus_fx); 1168 EXPORT_SYMBOL(snd_emu8000_load_reverb_fx); 1169 EXPORT_SYMBOL(snd_emu8000_update_chorus_mode); 1170 EXPORT_SYMBOL(snd_emu8000_update_reverb_mode); 1171 EXPORT_SYMBOL(snd_emu8000_update_equalizer); 1172