sound/isa/sb/emu8000.c

   1 /*
   2  *  Copyright (c) by Jaroslav Kysela <perex@suse.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 <sound/driver.h>
  24 #include <linux/wait.h>
  25 #include <linux/sched.h>
  26 #include <linux/slab.h>
  27 #include <linux/ioport.h>
  28 #include <linux/delay.h>
  29 #include <sound/core.h>
  30 #include <sound/emu8000.h>
  31 #include <sound/emu8000_reg.h>
  32 #include <asm/io.h>
  33 #include <asm/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(emu8000_t *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(emu8000_t *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(emu8000_t *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(emu8000_t *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(emu8000_t *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 __init
 135 snd_emu8000_read_wait(emu8000_t *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 __init
 147 snd_emu8000_write_wait(emu8000_t *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 __init
 160 snd_emu8000_detect(emu8000_t *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 __init
 186 init_audio(emu8000_t *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 __init
 227 init_dma(emu8000_t *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] /*__devinitdata*/ = {
 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] /*__devinitdata*/ = {
 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] /*__devinitdata*/ = {
 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] /*__devinitdata*/ = {
 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 __init
 331 send_array(emu8000_t *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 __init
 353 init_arrays(emu8000_t *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 arbitary 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 __init
 379 size_dram(emu8000_t *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
 395         while (size < EMU8000_MAX_DRAM) {
 396
 397                 size += 512 * 1024;  /* increment 512kbytes */
 398
 399                 /* Write a unique data on the test address.
 400                  * if the address is out of range, the data is written on
 401                  * 0x200000(=EMU8000_DRAM_OFFSET).  Then the id word is
 402                  * changed by this data.
 403                  */
 404                 /*snd_emu8000_dma_chan(emu, 0, EMU8000_RAM_WRITE);*/
 405                 EMU8000_SMALW_WRITE(emu, EMU8000_DRAM_OFFSET + (size>>1));
 406                 EMU8000_SMLD_WRITE(emu, UNIQUE_ID2);
 407                 snd_emu8000_write_wait(emu);
 408
 409                 /*
 410                  * read the data on the just written DRAM address
 411                  * if not the same then we have reached the end of ram.
 412                  */
 413                 /*snd_emu8000_dma_chan(emu, 0, EMU8000_RAM_READ);*/
 414                 EMU8000_SMALR_WRITE(emu, EMU8000_DRAM_OFFSET + (size>>1));
 415                 /*snd_emu8000_read_wait(emu);*/
 416                 EMU8000_SMLD_READ(emu); /* discard stale data  */
 417                 if (EMU8000_SMLD_READ(emu) != UNIQUE_ID2)
 418                         break; /* we must have wrapped around */
 419
 420                 snd_emu8000_read_wait(emu);
 421
 422                 /*
 423                  * If it is the same it could be that the address just
 424                  * wraps back to the beginning; so check to see if the
 425                  * initial value has been overwritten.
 426                  */
 427                 EMU8000_SMALR_WRITE(emu, EMU8000_DRAM_OFFSET);
 428                 EMU8000_SMLD_READ(emu); /* discard stale data  */
 429                 if (EMU8000_SMLD_READ(emu) != UNIQUE_ID1)
 430                         break; /* we must have wrapped around */
 431                 snd_emu8000_read_wait(emu);
 432         }
 433
 434         /* wait until FULL bit in SMAxW register is false */
 435         for (i = 0; i < 10000; i++) {
 436                 if ((EMU8000_SMALW_READ(emu) & 0x80000000) == 0)
 437                         break;
 438                 schedule_timeout_interruptible(1);
 439                 if (signal_pending(current))
 440                         break;
 441         }
 442         snd_emu8000_dma_chan(emu, 0, EMU8000_RAM_CLOSE);
 443         snd_emu8000_dma_chan(emu, 1, EMU8000_RAM_CLOSE);
 444
 445         snd_printdd("EMU8000 [0x%lx]: %d Kb on-board memory detected\n",
 446                     emu->port1, size/1024);
 447
 448         emu->mem_size = size;
 449         emu->dram_checked = 1;
 450 }
 451
 452
 453 /*
 454  * Initiailise the FM section.  You have to do this to use sample RAM
 455  * and therefore lose 2 voices.
 456  */
 457 /*exported*/ void
 458 snd_emu8000_init_fm(emu8000_t *emu)
 459 {
 460         unsigned long flags;
 461
 462         /* Initialize the last two channels for DRAM refresh and producing
 463            the reverb and chorus effects for Yamaha OPL-3 synthesizer */
 464
 465         /* 31: FM left channel, 0xffffe0-0xffffe8 */
 466         EMU8000_DCYSUSV_WRITE(emu, 30, 0x80);
 467         EMU8000_PSST_WRITE(emu, 30, 0xFFFFFFE0); /* full left */
 468         EMU8000_CSL_WRITE(emu, 30, 0x00FFFFE8 | (emu->fm_chorus_depth << 24));
 469         EMU8000_PTRX_WRITE(emu, 30, (emu->fm_reverb_depth << 8));
 470         EMU8000_CPF_WRITE(emu, 30, 0);
 471         EMU8000_CCCA_WRITE(emu, 30, 0x00FFFFE3);
 472
 473         /* 32: FM right channel, 0xfffff0-0xfffff8 */
 474         EMU8000_DCYSUSV_WRITE(emu, 31, 0x80);
 475         EMU8000_PSST_WRITE(emu, 31, 0x00FFFFF0); /* full right */
 476         EMU8000_CSL_WRITE(emu, 31, 0x00FFFFF8 | (emu->fm_chorus_depth << 24));
 477         EMU8000_PTRX_WRITE(emu, 31, (emu->fm_reverb_depth << 8));
 478         EMU8000_CPF_WRITE(emu, 31, 0x8000);
 479         EMU8000_CCCA_WRITE(emu, 31, 0x00FFFFF3);
 480
 481         snd_emu8000_poke((emu), EMU8000_DATA0(emu), EMU8000_CMD(1, (30)), 0);
 482
 483         spin_lock_irqsave(&emu->reg_lock, flags);
 484         while (!(inw(EMU8000_PTR(emu)) & 0x1000))
 485                 ;
 486         while ((inw(EMU8000_PTR(emu)) & 0x1000))
 487                 ;
 488         spin_unlock_irqrestore(&emu->reg_lock, flags);
 489         snd_emu8000_poke((emu), EMU8000_DATA0(emu), EMU8000_CMD(1, (30)), 0x4828);
 490         /* this is really odd part.. */
 491         outb(0x3C, EMU8000_PTR(emu));
 492         outb(0, EMU8000_DATA1(emu));
 493
 494         /* skew volume & cutoff */
 495         EMU8000_VTFT_WRITE(emu, 30, 0x8000FFFF);
 496         EMU8000_VTFT_WRITE(emu, 31, 0x8000FFFF);
 497 }
 498
 499
 500 /*
 501  * The main initialization routine.
 502  */
 503 static void __init
 504 snd_emu8000_init_hw(emu8000_t *emu)
 505 {
 506         int i;
 507
 508         emu->last_reg = 0xffff; /* reset the last register index */
 509
 510         /* initialize hardware configuration */
 511         EMU8000_HWCF1_WRITE(emu, 0x0059);
 512         EMU8000_HWCF2_WRITE(emu, 0x0020);
 513
 514         /* disable audio; this seems to reduce a clicking noise a bit.. */
 515         EMU8000_HWCF3_WRITE(emu, 0);
 516
 517         /* initialize audio channels */
 518         init_audio(emu);
 519
 520         /* initialize DMA */
 521         init_dma(emu);
 522
 523         /* initialize init arrays */
 524         init_arrays(emu);
 525
 526         /*
 527          * Initialize the FM section of the AWE32, this is needed
 528          * for DRAM refresh as well
 529          */
 530         snd_emu8000_init_fm(emu);
 531
 532         /* terminate all voices */
 533         for (i = 0; i < EMU8000_DRAM_VOICES; i++)
 534                 EMU8000_DCYSUSV_WRITE(emu, 0, 0x807F);
 535
 536         /* check DRAM memory size */
 537         size_dram(emu);
 538
 539         /* enable audio */
 540         EMU8000_HWCF3_WRITE(emu, 0x4);
 541
 542         /* set equzlier, chorus and reverb modes */
 543         snd_emu8000_update_equalizer(emu);
 544         snd_emu8000_update_chorus_mode(emu);
 545         snd_emu8000_update_reverb_mode(emu);
 546 }
 547
 548
 549 /*----------------------------------------------------------------
 550  * Bass/Treble Equalizer
 551  *----------------------------------------------------------------*/
 552
 553 static unsigned short bass_parm[12][3] = {
 554         {0xD26A, 0xD36A, 0x0000}, /* -12 dB */
 555         {0xD25B, 0xD35B, 0x0000}, /*  -8 */
 556         {0xD24C, 0xD34C, 0x0000}, /*  -6 */
 557         {0xD23D, 0xD33D, 0x0000}, /*  -4 */
 558         {0xD21F, 0xD31F, 0x0000}, /*  -2 */
 559         {0xC208, 0xC308, 0x0001}, /*   0 (HW default) */
 560         {0xC219, 0xC319, 0x0001}, /*  +2 */
 561         {0xC22A, 0xC32A, 0x0001}, /*  +4 */
 562         {0xC24C, 0xC34C, 0x0001}, /*  +6 */
 563         {0xC26E, 0xC36E, 0x0001}, /*  +8 */
 564         {0xC248, 0xC384, 0x0002}, /* +10 */
 565         {0xC26A, 0xC36A, 0x0002}, /* +12 dB */
 566 };
 567
 568 static unsigned short treble_parm[12][9] = {
 569         {0x821E, 0xC26A, 0x031E, 0xC36A, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001}, /* -12 dB */
 570         {0x821E, 0xC25B, 0x031E, 0xC35B, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001},
 571         {0x821E, 0xC24C, 0x031E, 0xC34C, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001},
 572         {0x821E, 0xC23D, 0x031E, 0xC33D, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001},
 573         {0x821E, 0xC21F, 0x031E, 0xC31F, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001},
 574         {0x821E, 0xD208, 0x031E, 0xD308, 0x021E, 0xD208, 0x831E, 0xD308, 0x0002},
 575         {0x821E, 0xD208, 0x031E, 0xD308, 0x021D, 0xD219, 0x831D, 0xD319, 0x0002},
 576         {0x821E, 0xD208, 0x031E, 0xD308, 0x021C, 0xD22A, 0x831C, 0xD32A, 0x0002},
 577         {0x821E, 0xD208, 0x031E, 0xD308, 0x021A, 0xD24C, 0x831A, 0xD34C, 0x0002},
 578         {0x821E, 0xD208, 0x031E, 0xD308, 0x0219, 0xD26E, 0x8319, 0xD36E, 0x0002}, /* +8 (HW default) */
 579         {0x821D, 0xD219, 0x031D, 0xD319, 0x0219, 0xD26E, 0x8319, 0xD36E, 0x0002},
 580         {0x821C, 0xD22A, 0x031C, 0xD32A, 0x0219, 0xD26E, 0x8319, 0xD36E, 0x0002}  /* +12 dB */
 581 };
 582
 583
 584 /*
 585  * set Emu8000 digital equalizer; from 0 to 11 [-12dB - 12dB]
 586  */
 587 /*exported*/ void
 588 snd_emu8000_update_equalizer(emu8000_t *emu)
 589 {
 590         unsigned short w;
 591         int bass = emu->bass_level;
 592         int treble = emu->treble_level;
 593
 594         if (bass < 0 || bass > 11 || treble < 0 || treble > 11)
 595                 return;
 596         EMU8000_INIT4_WRITE(emu, 0x01, bass_parm[bass][0]);
 597         EMU8000_INIT4_WRITE(emu, 0x11, bass_parm[bass][1]);
 598         EMU8000_INIT3_WRITE(emu, 0x11, treble_parm[treble][0]);
 599         EMU8000_INIT3_WRITE(emu, 0x13, treble_parm[treble][1]);
 600         EMU8000_INIT3_WRITE(emu, 0x1b, treble_parm[treble][2]);
 601         EMU8000_INIT4_WRITE(emu, 0x07, treble_parm[treble][3]);
 602         EMU8000_INIT4_WRITE(emu, 0x0b, treble_parm[treble][4]);
 603         EMU8000_INIT4_WRITE(emu, 0x0d, treble_parm[treble][5]);
 604         EMU8000_INIT4_WRITE(emu, 0x17, treble_parm[treble][6]);
 605         EMU8000_INIT4_WRITE(emu, 0x19, treble_parm[treble][7]);
 606         w = bass_parm[bass][2] + treble_parm[treble][8];
 607         EMU8000_INIT4_WRITE(emu, 0x15, (unsigned short)(w + 0x0262));
 608         EMU8000_INIT4_WRITE(emu, 0x1d, (unsigned short)(w + 0x8362));
 609 }
 610
 611
 612 /*----------------------------------------------------------------
 613  * Chorus mode control
 614  *----------------------------------------------------------------*/
 615
 616 /*
 617  * chorus mode parameters
 618  */
 619 #define SNDRV_EMU8000_CHORUS_1          0
 620 #define SNDRV_EMU8000_CHORUS_2          1
 621 #define SNDRV_EMU8000_CHORUS_3          2
 622 #define SNDRV_EMU8000_CHORUS_4          3
 623 #define SNDRV_EMU8000_CHORUS_FEEDBACK   4
 624 #define SNDRV_EMU8000_CHORUS_FLANGER    5
 625 #define SNDRV_EMU8000_CHORUS_SHORTDELAY 6
 626 #define SNDRV_EMU8000_CHORUS_SHORTDELAY2        7
 627 #define SNDRV_EMU8000_CHORUS_PREDEFINED 8
 628 /* user can define chorus modes up to 32 */
 629 #define SNDRV_EMU8000_CHORUS_NUMBERS    32
 630
 631 typedef struct soundfont_chorus_fx_t {
 632         unsigned short feedback;        /* feedback level (0xE600-0xE6FF) */
 633         unsigned short delay_offset;    /* delay (0-0x0DA3) [1/44100 sec] */
 634         unsigned short lfo_depth;       /* LFO depth (0xBC00-0xBCFF) */
 635         unsigned int delay;     /* right delay (0-0xFFFFFFFF) [1/256/44100 sec] */
 636         unsigned int lfo_freq;          /* LFO freq LFO freq (0-0xFFFFFFFF) */
 637 } soundfont_chorus_fx_t;
 638
 639 /* 5 parameters for each chorus mode; 3 x 16bit, 2 x 32bit */
 640 static char chorus_defined[SNDRV_EMU8000_CHORUS_NUMBERS];
 641 static soundfont_chorus_fx_t chorus_parm[SNDRV_EMU8000_CHORUS_NUMBERS] = {
 642         {0xE600, 0x03F6, 0xBC2C ,0x00000000, 0x0000006D}, /* chorus 1 */
 643         {0xE608, 0x031A, 0xBC6E, 0x00000000, 0x0000017C}, /* chorus 2 */
 644         {0xE610, 0x031A, 0xBC84, 0x00000000, 0x00000083}, /* chorus 3 */
 645         {0xE620, 0x0269, 0xBC6E, 0x00000000, 0x0000017C}, /* chorus 4 */
 646         {0xE680, 0x04D3, 0xBCA6, 0x00000000, 0x0000005B}, /* feedback */
 647         {0xE6E0, 0x044E, 0xBC37, 0x00000000, 0x00000026}, /* flanger */
 648         {0xE600, 0x0B06, 0xBC00, 0x0006E000, 0x00000083}, /* short delay */
 649         {0xE6C0, 0x0B06, 0xBC00, 0x0006E000, 0x00000083}, /* short delay + feedback */
 650 };
 651
 652 /*exported*/ int
 653 snd_emu8000_load_chorus_fx(emu8000_t *emu, int mode, const void __user *buf, long len)
 654 {
 655         soundfont_chorus_fx_t rec;
 656         if (mode < SNDRV_EMU8000_CHORUS_PREDEFINED || mode >= SNDRV_EMU8000_CHORUS_NUMBERS) {
 657                 snd_printk(KERN_WARNING "invalid chorus mode %d for uploading\n", mode);
 658                 return -EINVAL;
 659         }
 660         if (len < (long)sizeof(rec) || copy_from_user(&rec, buf, sizeof(rec)))
 661                 return -EFAULT;
 662         chorus_parm[mode] = rec;
 663         chorus_defined[mode] = 1;
 664         return 0;
 665 }
 666
 667 /*exported*/ void
 668 snd_emu8000_update_chorus_mode(emu8000_t *emu)
 669 {
 670         int effect = emu->chorus_mode;
 671         if (effect < 0 || effect >= SNDRV_EMU8000_CHORUS_NUMBERS ||
 672             (effect >= SNDRV_EMU8000_CHORUS_PREDEFINED && !chorus_defined[effect]))
 673                 return;
 674         EMU8000_INIT3_WRITE(emu, 0x09, chorus_parm[effect].feedback);
 675         EMU8000_INIT3_WRITE(emu, 0x0c, chorus_parm[effect].delay_offset);
 676         EMU8000_INIT4_WRITE(emu, 0x03, chorus_parm[effect].lfo_depth);
 677         EMU8000_HWCF4_WRITE(emu, chorus_parm[effect].delay);
 678         EMU8000_HWCF5_WRITE(emu, chorus_parm[effect].lfo_freq);
 679         EMU8000_HWCF6_WRITE(emu, 0x8000);
 680         EMU8000_HWCF7_WRITE(emu, 0x0000);
 681 }
 682
 683 /*----------------------------------------------------------------
 684  * Reverb mode control
 685  *----------------------------------------------------------------*/
 686
 687 /*
 688  * reverb mode parameters
 689  */
 690 #define SNDRV_EMU8000_REVERB_ROOM1      0
 691 #define SNDRV_EMU8000_REVERB_ROOM2      1
 692 #define SNDRV_EMU8000_REVERB_ROOM3      2
 693 #define SNDRV_EMU8000_REVERB_HALL1      3
 694 #define SNDRV_EMU8000_REVERB_HALL2      4
 695 #define SNDRV_EMU8000_REVERB_PLATE      5
 696 #define SNDRV_EMU8000_REVERB_DELAY      6
 697 #define SNDRV_EMU8000_REVERB_PANNINGDELAY 7
 698 #define SNDRV_EMU8000_REVERB_PREDEFINED 8
 699 /* user can define reverb modes up to 32 */
 700 #define SNDRV_EMU8000_REVERB_NUMBERS    32
 701
 702 typedef struct soundfont_reverb_fx_t {
 703         unsigned short parms[28];
 704 } soundfont_reverb_fx_t;
 705
 706 /* reverb mode settings; write the following 28 data of 16 bit length
 707  *   on the corresponding ports in the reverb_cmds array
 708  */
 709 static char reverb_defined[SNDRV_EMU8000_CHORUS_NUMBERS];
 710 static soundfont_reverb_fx_t reverb_parm[SNDRV_EMU8000_REVERB_NUMBERS] = {
 711 {{  /* room 1 */
 712         0xB488, 0xA450, 0x9550, 0x84B5, 0x383A, 0x3EB5, 0x72F4,
 713         0x72A4, 0x7254, 0x7204, 0x7204, 0x7204, 0x4416, 0x4516,
 714         0xA490, 0xA590, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429,
 715         0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528,
 716 }},
 717 {{  /* room 2 */
 718         0xB488, 0xA458, 0x9558, 0x84B5, 0x383A, 0x3EB5, 0x7284,
 719         0x7254, 0x7224, 0x7224, 0x7254, 0x7284, 0x4448, 0x4548,
 720         0xA440, 0xA540, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429,
 721         0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528,
 722 }},
 723 {{  /* room 3 */
 724         0xB488, 0xA460, 0x9560, 0x84B5, 0x383A, 0x3EB5, 0x7284,
 725         0x7254, 0x7224, 0x7224, 0x7254, 0x7284, 0x4416, 0x4516,
 726         0xA490, 0xA590, 0x842C, 0x852C, 0x842C, 0x852C, 0x842B,
 727         0x852B, 0x842B, 0x852B, 0x842A, 0x852A, 0x842A, 0x852A,
 728 }},
 729 {{  /* hall 1 */
 730         0xB488, 0xA470, 0x9570, 0x84B5, 0x383A, 0x3EB5, 0x7284,
 731         0x7254, 0x7224, 0x7224, 0x7254, 0x7284, 0x4448, 0x4548,
 732         0xA440, 0xA540, 0x842B, 0x852B, 0x842B, 0x852B, 0x842A,
 733         0x852A, 0x842A, 0x852A, 0x8429, 0x8529, 0x8429, 0x8529,
 734 }},
 735 {{  /* hall 2 */
 736         0xB488, 0xA470, 0x9570, 0x84B5, 0x383A, 0x3EB5, 0x7254,
 737         0x7234, 0x7224, 0x7254, 0x7264, 0x7294, 0x44C3, 0x45C3,
 738         0xA404, 0xA504, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429,
 739         0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528,
 740 }},
 741 {{  /* plate */
 742         0xB4FF, 0xA470, 0x9570, 0x84B5, 0x383A, 0x3EB5, 0x7234,
 743         0x7234, 0x7234, 0x7234, 0x7234, 0x7234, 0x4448, 0x4548,
 744         0xA440, 0xA540, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429,
 745         0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528,
 746 }},
 747 {{  /* delay */
 748         0xB4FF, 0xA470, 0x9500, 0x84B5, 0x333A, 0x39B5, 0x7204,
 749         0x7204, 0x7204, 0x7204, 0x7204, 0x72F4, 0x4400, 0x4500,
 750         0xA4FF, 0xA5FF, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420,
 751         0x8520, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420, 0x8520,
 752 }},
 753 {{  /* panning delay */
 754         0xB4FF, 0xA490, 0x9590, 0x8474, 0x333A, 0x39B5, 0x7204,
 755         0x7204, 0x7204, 0x7204, 0x7204, 0x72F4, 0x4400, 0x4500,
 756         0xA4FF, 0xA5FF, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420,
 757         0x8520, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420, 0x8520,
 758 }},
 759 };
 760
 761 enum { DATA1, DATA2 };
 762 #define AWE_INIT1(c)    EMU8000_CMD(2,c), DATA1
 763 #define AWE_INIT2(c)    EMU8000_CMD(2,c), DATA2
 764 #define AWE_INIT3(c)    EMU8000_CMD(3,c), DATA1
 765 #define AWE_INIT4(c)    EMU8000_CMD(3,c), DATA2
 766
 767 static struct reverb_cmd_pair {
 768         unsigned short cmd, port;
 769 } reverb_cmds[28] = {
 770   {AWE_INIT1(0x03)}, {AWE_INIT1(0x05)}, {AWE_INIT4(0x1F)}, {AWE_INIT1(0x07)},
 771   {AWE_INIT2(0x14)}, {AWE_INIT2(0x16)}, {AWE_INIT1(0x0F)}, {AWE_INIT1(0x17)},
 772   {AWE_INIT1(0x1F)}, {AWE_INIT2(0x07)}, {AWE_INIT2(0x0F)}, {AWE_INIT2(0x17)},
 773   {AWE_INIT2(0x1D)}, {AWE_INIT2(0x1F)}, {AWE_INIT3(0x01)}, {AWE_INIT3(0x03)},
 774   {AWE_INIT1(0x09)}, {AWE_INIT1(0x0B)}, {AWE_INIT1(0x11)}, {AWE_INIT1(0x13)},
 775   {AWE_INIT1(0x19)}, {AWE_INIT1(0x1B)}, {AWE_INIT2(0x01)}, {AWE_INIT2(0x03)},
 776   {AWE_INIT2(0x09)}, {AWE_INIT2(0x0B)}, {AWE_INIT2(0x11)}, {AWE_INIT2(0x13)},
 777 };
 778
 779 /*exported*/ int
 780 snd_emu8000_load_reverb_fx(emu8000_t *emu, int mode, const void __user *buf, long len)
 781 {
 782         soundfont_reverb_fx_t rec;
 783
 784         if (mode < SNDRV_EMU8000_REVERB_PREDEFINED || mode >= SNDRV_EMU8000_REVERB_NUMBERS) {
 785                 snd_printk(KERN_WARNING "invalid reverb mode %d for uploading\n", mode);
 786                 return -EINVAL;
 787         }
 788         if (len < (long)sizeof(rec) || copy_from_user(&rec, buf, sizeof(rec)))
 789                 return -EFAULT;
 790         reverb_parm[mode] = rec;
 791         reverb_defined[mode] = 1;
 792         return 0;
 793 }
 794
 795 /*exported*/ void
 796 snd_emu8000_update_reverb_mode(emu8000_t *emu)
 797 {
 798         int effect = emu->reverb_mode;
 799         int i;
 800
 801         if (effect < 0 || effect >= SNDRV_EMU8000_REVERB_NUMBERS ||
 802             (effect >= SNDRV_EMU8000_REVERB_PREDEFINED && !reverb_defined[effect]))
 803                 return;
 804         for (i = 0; i < 28; i++) {
 805                 int port;
 806                 if (reverb_cmds[i].port == DATA1)
 807                         port = EMU8000_DATA1(emu);
 808                 else
 809                         port = EMU8000_DATA2(emu);
 810                 snd_emu8000_poke(emu, port, reverb_cmds[i].cmd, reverb_parm[effect].parms[i]);
 811         }
 812 }
 813
 814
 815 /*----------------------------------------------------------------
 816  * mixer interface
 817  *----------------------------------------------------------------*/
 818
 819 /*
 820  * bass/treble
 821  */
 822 static int mixer_bass_treble_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 823 {
 824         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 825         uinfo->count = 1;
 826         uinfo->value.integer.min = 0;
 827         uinfo->value.integer.max = 11;
 828         return 0;
 829 }
 830
 831 static int mixer_bass_treble_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 832 {
 833         emu8000_t *emu = snd_kcontrol_chip(kcontrol);
 834
 835         ucontrol->value.integer.value[0] = kcontrol->private_value ? emu->treble_level : emu->bass_level;
 836         return 0;
 837 }
 838
 839 static int mixer_bass_treble_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 840 {
 841         emu8000_t *emu = snd_kcontrol_chip(kcontrol);
 842         unsigned long flags;
 843         int change;
 844         unsigned short val1;
 845
 846         val1 = ucontrol->value.integer.value[0] % 12;
 847         spin_lock_irqsave(&emu->control_lock, flags);
 848         if (kcontrol->private_value) {
 849                 change = val1 != emu->treble_level;
 850                 emu->treble_level = val1;
 851         } else {
 852                 change = val1 != emu->bass_level;
 853                 emu->bass_level = val1;
 854         }
 855         spin_unlock_irqrestore(&emu->control_lock, flags);
 856         snd_emu8000_update_equalizer(emu);
 857         return change;
 858 }
 859
 860 static snd_kcontrol_new_t mixer_bass_control =
 861 {
 862         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 863         .name = "Synth Tone Control - Bass",
 864         .info = mixer_bass_treble_info,
 865         .get = mixer_bass_treble_get,
 866         .put = mixer_bass_treble_put,
 867         .private_value = 0,
 868 };
 869
 870 static snd_kcontrol_new_t mixer_treble_control =
 871 {
 872         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 873         .name = "Synth Tone Control - Treble",
 874         .info = mixer_bass_treble_info,
 875         .get = mixer_bass_treble_get,
 876         .put = mixer_bass_treble_put,
 877         .private_value = 1,
 878 };
 879
 880 /*
 881  * chorus/reverb mode
 882  */
 883 static int mixer_chorus_reverb_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 884 {
 885         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 886         uinfo->count = 1;
 887         uinfo->value.integer.min = 0;
 888         uinfo->value.integer.max = kcontrol->private_value ? (SNDRV_EMU8000_CHORUS_NUMBERS-1) : (SNDRV_EMU8000_REVERB_NUMBERS-1);
 889         return 0;
 890 }
 891
 892 static int mixer_chorus_reverb_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 893 {
 894         emu8000_t *emu = snd_kcontrol_chip(kcontrol);
 895
 896         ucontrol->value.integer.value[0] = kcontrol->private_value ? emu->chorus_mode : emu->reverb_mode;
 897         return 0;
 898 }
 899
 900 static int mixer_chorus_reverb_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 901 {
 902         emu8000_t *emu = snd_kcontrol_chip(kcontrol);
 903         unsigned long flags;
 904         int change;
 905         unsigned short val1;
 906
 907         spin_lock_irqsave(&emu->control_lock, flags);
 908         if (kcontrol->private_value) {
 909                 val1 = ucontrol->value.integer.value[0] % SNDRV_EMU8000_CHORUS_NUMBERS;
 910                 change = val1 != emu->chorus_mode;
 911                 emu->chorus_mode = val1;
 912         } else {
 913                 val1 = ucontrol->value.integer.value[0] % SNDRV_EMU8000_REVERB_NUMBERS;
 914                 change = val1 != emu->reverb_mode;
 915                 emu->reverb_mode = val1;
 916         }
 917         spin_unlock_irqrestore(&emu->control_lock, flags);
 918         if (change) {
 919                 if (kcontrol->private_value)
 920                         snd_emu8000_update_chorus_mode(emu);
 921                 else
 922                         snd_emu8000_update_reverb_mode(emu);
 923         }
 924         return change;
 925 }
 926
 927 static snd_kcontrol_new_t mixer_chorus_mode_control =
 928 {
 929         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 930         .name = "Chorus Mode",
 931         .info = mixer_chorus_reverb_info,
 932         .get = mixer_chorus_reverb_get,
 933         .put = mixer_chorus_reverb_put,
 934         .private_value = 1,
 935 };
 936
 937 static snd_kcontrol_new_t mixer_reverb_mode_control =
 938 {
 939         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 940         .name = "Reverb Mode",
 941         .info = mixer_chorus_reverb_info,
 942         .get = mixer_chorus_reverb_get,
 943         .put = mixer_chorus_reverb_put,
 944         .private_value = 0,
 945 };
 946
 947 /*
 948  * FM OPL3 chorus/reverb depth
 949  */
 950 static int mixer_fm_depth_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 951 {
 952         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 953         uinfo->count = 1;
 954         uinfo->value.integer.min = 0;
 955         uinfo->value.integer.max = 255;
 956         return 0;
 957 }
 958
 959 static int mixer_fm_depth_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 960 {
 961         emu8000_t *emu = snd_kcontrol_chip(kcontrol);
 962
 963         ucontrol->value.integer.value[0] = kcontrol->private_value ? emu->fm_chorus_depth : emu->fm_reverb_depth;
 964         return 0;
 965 }
 966
 967 static int mixer_fm_depth_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 968 {
 969         emu8000_t *emu = snd_kcontrol_chip(kcontrol);
 970         unsigned long flags;
 971         int change;
 972         unsigned short val1;
 973
 974         val1 = ucontrol->value.integer.value[0] % 256;
 975         spin_lock_irqsave(&emu->control_lock, flags);
 976         if (kcontrol->private_value) {
 977                 change = val1 != emu->fm_chorus_depth;
 978                 emu->fm_chorus_depth = val1;
 979         } else {
 980                 change = val1 != emu->fm_reverb_depth;
 981                 emu->fm_reverb_depth = val1;
 982         }
 983         spin_unlock_irqrestore(&emu->control_lock, flags);
 984         if (change)
 985                 snd_emu8000_init_fm(emu);
 986         return change;
 987 }
 988
 989 static snd_kcontrol_new_t mixer_fm_chorus_depth_control =
 990 {
 991         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 992         .name = "FM Chorus Depth",
 993         .info = mixer_fm_depth_info,
 994         .get = mixer_fm_depth_get,
 995         .put = mixer_fm_depth_put,
 996         .private_value = 1,
 997 };
 998
 999 static snd_kcontrol_new_t mixer_fm_reverb_depth_control =
1000 {
1001         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1002         .name = "FM Reverb Depth",
1003         .info = mixer_fm_depth_info,
1004         .get = mixer_fm_depth_get,
1005         .put = mixer_fm_depth_put,
1006         .private_value = 0,
1007 };
1008
1009
1010 static snd_kcontrol_new_t *mixer_defs[EMU8000_NUM_CONTROLS] = {
1011         &mixer_bass_control,
1012         &mixer_treble_control,
1013         &mixer_chorus_mode_control,
1014         &mixer_reverb_mode_control,
1015         &mixer_fm_chorus_depth_control,
1016         &mixer_fm_reverb_depth_control,
1017 };
1018
1019 /*
1020  * create and attach mixer elements for WaveTable treble/bass controls
1021  */
1022 static int __init
1023 snd_emu8000_create_mixer(snd_card_t *card, emu8000_t *emu)
1024 {
1025         int i, err = 0;
1026
1027         snd_assert(emu != NULL && card != NULL, return -EINVAL);
1028
1029         spin_lock_init(&emu->control_lock);
1030
1031         memset(emu->controls, 0, sizeof(emu->controls));
1032         for (i = 0; i < EMU8000_NUM_CONTROLS; i++) {
1033                 if ((err = snd_ctl_add(card, emu->controls[i] = snd_ctl_new1(mixer_defs[i], emu))) < 0)
1034                         goto __error;
1035         }
1036         return 0;
1037
1038 __error:
1039         for (i = 0; i < EMU8000_NUM_CONTROLS; i++) {
1040                 down_write(&card->controls_rwsem);
1041                 if (emu->controls[i])
1042                         snd_ctl_remove(card, emu->controls[i]);
1043                 up_write(&card->controls_rwsem);
1044         }
1045         return err;
1046 }
1047
1048
1049 /*
1050  * free resources
1051  */
1052 static int snd_emu8000_free(emu8000_t *hw)
1053 {
1054         release_and_free_resource(hw->res_port1);
1055         release_and_free_resource(hw->res_port2);
1056         release_and_free_resource(hw->res_port3);
1057         kfree(hw);
1058         return 0;
1059 }
1060
1061 /*
1062  */
1063 static int snd_emu8000_dev_free(snd_device_t *device)
1064 {
1065         emu8000_t *hw = device->device_data;
1066         return snd_emu8000_free(hw);
1067 }
1068
1069 /*
1070  * initialize and register emu8000 synth device.
1071  */
1072 int __init
1073 snd_emu8000_new(snd_card_t *card, int index, long port, int seq_ports, snd_seq_device_t **awe_ret)
1074 {
1075         snd_seq_device_t *awe;
1076         emu8000_t *hw;
1077         int err;
1078         static snd_device_ops_t ops = {
1079                 .dev_free = snd_emu8000_dev_free,
1080         };
1081
1082         if (awe_ret)
1083                 *awe_ret = NULL;
1084
1085         if (seq_ports <= 0)
1086                 return 0;
1087
1088         hw = kzalloc(sizeof(*hw), GFP_KERNEL);
1089         if (hw == NULL)
1090                 return -ENOMEM;
1091         spin_lock_init(&hw->reg_lock);
1092         hw->index = index;
1093         hw->port1 = port;
1094         hw->port2 = port + 0x400;
1095         hw->port3 = port + 0x800;
1096         if (!(hw->res_port1 = request_region(hw->port1, 4, "Emu8000-1")) ||
1097             !(hw->res_port2 = request_region(hw->port2, 4, "Emu8000-2")) ||
1098             !(hw->res_port3 = request_region(hw->port3, 4, "Emu8000-3"))) {
1099                 snd_printk(KERN_ERR "sbawe: can't grab ports 0x%lx, 0x%lx, 0x%lx\n", hw->port1, hw->port2, hw->port3);
1100                 snd_emu8000_free(hw);
1101                 return -EBUSY;
1102         }
1103         hw->mem_size = 0;
1104         hw->card = card;
1105         hw->seq_ports = seq_ports;
1106         hw->bass_level = 5;
1107         hw->treble_level = 9;
1108         hw->chorus_mode = 2;
1109         hw->reverb_mode = 4;
1110         hw->fm_chorus_depth = 0;
1111         hw->fm_reverb_depth = 0;
1112
1113         if (snd_emu8000_detect(hw) < 0) {
1114                 snd_emu8000_free(hw);
1115                 return -ENODEV;
1116         }
1117
1118         snd_emu8000_init_hw(hw);
1119         if ((err = snd_emu8000_create_mixer(card, hw)) < 0) {
1120                 snd_emu8000_free(hw);
1121                 return err;
1122         }
1123
1124         if ((err = snd_device_new(card, SNDRV_DEV_CODEC, hw, &ops)) < 0) {
1125                 snd_emu8000_free(hw);
1126                 return err;
1127         }
1128 #if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
1129         if (snd_seq_device_new(card, index, SNDRV_SEQ_DEV_ID_EMU8000,
1130                                sizeof(emu8000_t*), &awe) >= 0) {
1131                 strcpy(awe->name, "EMU-8000");
1132                 *(emu8000_t**)SNDRV_SEQ_DEVICE_ARGPTR(awe) = hw;
1133         }
1134 #else
1135         awe = NULL;
1136 #endif
1137         if (awe_ret)
1138                 *awe_ret = awe;
1139
1140         return 0;
1141 }
1142
1143
1144 /*
1145  * exported stuff
1146  */
1147
1148 EXPORT_SYMBOL(snd_emu8000_poke);
1149 EXPORT_SYMBOL(snd_emu8000_peek);
1150 EXPORT_SYMBOL(snd_emu8000_poke_dw);
1151 EXPORT_SYMBOL(snd_emu8000_peek_dw);
1152 EXPORT_SYMBOL(snd_emu8000_dma_chan);
1153 EXPORT_SYMBOL(snd_emu8000_init_fm);
1154 EXPORT_SYMBOL(snd_emu8000_load_chorus_fx);
1155 EXPORT_SYMBOL(snd_emu8000_load_reverb_fx);
1156 EXPORT_SYMBOL(snd_emu8000_update_chorus_mode);
1157 EXPORT_SYMBOL(snd_emu8000_update_reverb_mode);
1158 EXPORT_SYMBOL(snd_emu8000_update_equalizer);