sound/isa/gus/interwave.c

   1 /*
   2  *  Driver for AMD InterWave soundcard
   3  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
   4  *
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License as published by
   8  *   the Free Software Foundation; either version 2 of the License, or
   9  *   (at your option) any later version.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program; if not, write to the Free Software
  18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19  *
  20  *   1999/07/22         Erik Inge Bolso <knan@mo.himolde.no>
  21  *                      * mixer group handlers
  22  *
  23  */
  24
  25 #include <sound/driver.h>
  26 #include <asm/dma.h>
  27 #include <linux/delay.h>
  28 #include <linux/init.h>
  29 #include <linux/slab.h>
  30 #include <linux/pnp.h>
  31 #include <linux/moduleparam.h>
  32 #include <sound/core.h>
  33 #include <sound/gus.h>
  34 #include <sound/cs4231.h>
  35 #ifdef SNDRV_STB
  36 #include <sound/tea6330t.h>
  37 #endif
  38 #define SNDRV_LEGACY_AUTO_PROBE
  39 #define SNDRV_LEGACY_FIND_FREE_IRQ
  40 #define SNDRV_LEGACY_FIND_FREE_DMA
  41 #include <sound/initval.h>
  42
  43 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
  44 MODULE_CLASSES("{sound}");
  45 MODULE_LICENSE("GPL");
  46 #ifndef SNDRV_STB
  47 MODULE_DESCRIPTION("AMD InterWave");
  48 MODULE_DEVICES("{{Gravis,UltraSound Plug & Play},"
  49                 "{STB,SoundRage32},"
  50                 "{MED,MED3210},"
  51                 "{Dynasonix,Dynasonix Pro},"
  52                 "{Panasonic,PCA761AW}}");
  53 #else
  54 MODULE_DESCRIPTION("AMD InterWave STB with TEA6330T");
  55 MODULE_DEVICES("{{AMD,InterWave STB with TEA6330T}}");
  56 #endif
  57
  58 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  59 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  60 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
  61 #ifdef CONFIG_PNP
  62 static int isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
  63 #endif
  64 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;     /* 0x210,0x220,0x230,0x240,0x250,0x260 */
  65 #ifdef SNDRV_STB
  66 static long port_tc[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;  /* 0x350,0x360,0x370,0x380 */
  67 #endif
  68 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;        /* 2,3,5,9,11,12,15 */
  69 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* 0,1,3,5,6,7 */
  70 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* 0,1,3,5,6,7 */
  71 static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
  72                                 /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
  73 static int midi[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0};
  74 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
  75 static int effect[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0};
  76 static int boot_devs;
  77
  78 module_param_array(index, int, boot_devs, 0444);
  79 MODULE_PARM_DESC(index, "Index value for InterWave soundcard.");
  80 MODULE_PARM_SYNTAX(index, SNDRV_INDEX_DESC);
  81 module_param_array(id, charp, boot_devs, 0444);
  82 MODULE_PARM_DESC(id, "ID string for InterWave soundcard.");
  83 MODULE_PARM_SYNTAX(id, SNDRV_ID_DESC);
  84 module_param_array(enable, bool, boot_devs, 0444);
  85 MODULE_PARM_DESC(enable, "Enable InterWave soundcard.");
  86 MODULE_PARM_SYNTAX(enable, SNDRV_ENABLE_DESC);
  87 module_param_array(isapnp, bool, boot_devs, 0444);
  88 MODULE_PARM_DESC(isapnp, "ISA PnP detection for specified soundcard.");
  89 MODULE_PARM_SYNTAX(isapnp, SNDRV_ISAPNP_DESC);
  90 module_param_array(port, long, boot_devs, 0444);
  91 MODULE_PARM_DESC(port, "Port # for InterWave driver.");
  92 MODULE_PARM_SYNTAX(port, SNDRV_ENABLED ",allows:{{0x210,0x260,0x10}},dialog:list");
  93 #ifdef SNDRV_STB
  94 module_param_array(port_tc, long, boot_devs, 0444);
  95 MODULE_PARM_DESC(port_tc, "Tone control (TEA6330T - i2c bus) port # for InterWave driver.");
  96 MODULE_PARM_SYNTAX(port_tc, SNDRV_ENABLED ",allows:{{0x350,0x380,0x10}},dialog:list");
  97 #endif
  98 module_param_array(irq, int, boot_devs, 0444);
  99 MODULE_PARM_DESC(irq, "IRQ # for InterWave driver.");
 100 MODULE_PARM_SYNTAX(irq, SNDRV_ENABLED ",allows:{{3},{5},{9},{11},{12},{15}},dialog:list");
 101 module_param_array(dma1, int, boot_devs, 0444);
 102 MODULE_PARM_DESC(dma1, "DMA1 # for InterWave driver.");
 103 MODULE_PARM_SYNTAX(dma1, SNDRV_DMA_DESC);
 104 module_param_array(dma2, int, boot_devs, 0444);
 105 MODULE_PARM_DESC(dma2, "DMA2 # for InterWave driver.");
 106 MODULE_PARM_SYNTAX(dma2, SNDRV_DMA_DESC);
 107 module_param_array(joystick_dac, int, boot_devs, 0444);
 108 MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for InterWave driver.");
 109 MODULE_PARM_SYNTAX(joystick_dac, SNDRV_ENABLED ",allows:{{0,31}}");
 110 module_param_array(midi, int, boot_devs, 0444);
 111 MODULE_PARM_DESC(midi, "MIDI UART enable for InterWave driver.");
 112 MODULE_PARM_SYNTAX(midi, SNDRV_ENABLED "," SNDRV_ENABLE_DESC);
 113 module_param_array(pcm_channels, int, boot_devs, 0444);
 114 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for InterWave driver.");
 115 MODULE_PARM_SYNTAX(pcm_channels, SNDRV_ENABLED ",allows:{{2,16}}");
 116 module_param_array(effect, int, boot_devs, 0444);
 117 MODULE_PARM_DESC(effect, "Effects enable for InterWave driver.");
 118 MODULE_PARM_SYNTAX(effect, SNDRV_ENABLED "," SNDRV_ENABLE_DESC);
 119
 120 struct snd_interwave {
 121         int irq;
 122         snd_card_t *card;
 123         snd_gus_card_t *gus;
 124         cs4231_t *cs4231;
 125 #ifdef SNDRV_STB
 126         struct resource *i2c_res;
 127 #endif
 128         unsigned short gus_status_reg;
 129         unsigned short pcm_status_reg;
 130 #ifdef CONFIG_PNP
 131         struct pnp_dev *dev;
 132 #ifdef SNDRV_STB
 133         struct pnp_dev *devtc;
 134 #endif
 135 #endif
 136 };
 137
 138 static snd_card_t *snd_interwave_legacy[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
 139
 140 #ifdef CONFIG_PNP
 141
 142 static struct pnp_card_device_id snd_interwave_pnpids[] = {
 143 #ifndef SNDRV_STB
 144         /* Gravis UltraSound Plug & Play */
 145         { .id = "GRV0001", .devs = { { .id = "GRV0000" } } },
 146         /* STB SoundRage32 */
 147         { .id = "STB011a", .devs = { { .id = "STB0010" } } },
 148         /* MED3210 */
 149         { .id = "DXP3201", .devs = { { .id = "DXP0010" } } },
 150         /* Dynasonic Pro */
 151         /* This device also have CDC1117:DynaSonix Pro Audio Effects Processor */
 152         { .id = "CDC1111", .devs = { { .id = "CDC1112" } } },
 153         /* Panasonic PCA761AW Audio Card */
 154         { .id = "ADV55ff", .devs = { { .id = "ADV0010" } } },
 155         /* InterWave STB without TEA6330T */
 156         { .id = "ADV550a", .devs = { { .id = "ADV0010" } } },
 157 #else
 158         /* InterWave STB with TEA6330T */
 159         { .id = "ADV550a", .devs = { { .id = "ADV0010" }, { .id = "ADV0015" } } },
 160 #endif
 161         { .id = "" }
 162 };
 163
 164 MODULE_DEVICE_TABLE(pnp_card, snd_interwave_pnpids);
 165
 166 #endif /* CONFIG_PNP */
 167
 168
 169 #ifdef SNDRV_STB
 170 static void snd_interwave_i2c_setlines(snd_i2c_bus_t *bus, int ctrl, int data)
 171 {
 172         unsigned long port = bus->private_value;
 173
 174 #if 0
 175         printk("i2c_setlines - 0x%lx <- %i,%i\n", port, ctrl, data);
 176 #endif
 177         outb((data << 1) | ctrl, port);
 178         udelay(10);
 179 }
 180
 181 static int snd_interwave_i2c_getclockline(snd_i2c_bus_t *bus)
 182 {
 183         unsigned long port = bus->private_value;
 184         unsigned char res;
 185
 186         res = inb(port) & 1;
 187 #if 0
 188         printk("i2c_getclockline - 0x%lx -> %i\n", port, res);
 189 #endif
 190         return res;
 191 }
 192
 193 static int snd_interwave_i2c_getdataline(snd_i2c_bus_t *bus, int ack)
 194 {
 195         unsigned long port = bus->private_value;
 196         unsigned char res;
 197
 198         if (ack)
 199                 udelay(10);
 200         res = (inb(port) & 2) >> 1;
 201 #if 0
 202         printk("i2c_getdataline - 0x%lx -> %i\n", port, res);
 203 #endif
 204         return res;
 205 }
 206
 207 static snd_i2c_bit_ops_t snd_interwave_i2c_bit_ops = {
 208         .setlines = snd_interwave_i2c_setlines,
 209         .getclock = snd_interwave_i2c_getclockline,
 210         .getdata  = snd_interwave_i2c_getdataline,
 211 };
 212
 213 static int __devinit snd_interwave_detect_stb(struct snd_interwave *iwcard,
 214                                               snd_gus_card_t * gus, int dev,
 215                                               snd_i2c_bus_t **rbus)
 216 {
 217         unsigned long port;
 218         snd_i2c_bus_t *bus;
 219         snd_card_t *card = iwcard->card;
 220         char name[32];
 221         int err;
 222
 223         *rbus = NULL;
 224         port = port_tc[dev];
 225         if (port == SNDRV_AUTO_PORT) {
 226                 port = 0x350;
 227                 if (gus->gf1.port == 0x250) {
 228                         port = 0x360;
 229                 }
 230                 while (port <= 0x380) {
 231                         if ((iwcard->i2c_res = request_region(port, 1, "InterWave (I2C bus)")) != NULL)
 232                                 break;
 233                         port += 0x10;
 234                 }
 235         } else {
 236                 iwcard->i2c_res = request_region(port, 1, "InterWave (I2C bus)");
 237         }
 238         if (iwcard->i2c_res == NULL) {
 239                 snd_printk(KERN_ERR "interwave: can't grab i2c bus port\n");
 240                 return -ENODEV;
 241         }
 242
 243         sprintf(name, "InterWave-%i", card->number);
 244         if ((err = snd_i2c_bus_create(card, name, NULL, &bus)) < 0)
 245                 return err;
 246         bus->private_value = port;
 247         bus->hw_ops.bit = &snd_interwave_i2c_bit_ops;
 248         if ((err = snd_tea6330t_detect(bus, 0)) < 0)
 249                 return err;
 250         *rbus = bus;
 251         return 0;
 252 }
 253 #endif
 254
 255 static int __devinit snd_interwave_detect(struct snd_interwave *iwcard,
 256                                           snd_gus_card_t * gus,
 257                                           int dev
 258 #ifdef SNDRV_STB
 259                                           , snd_i2c_bus_t **rbus
 260 #endif
 261                                           )
 262 {
 263         unsigned long flags;
 264         unsigned char rev1, rev2;
 265
 266         snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0);   /* reset GF1 */
 267 #ifdef CONFIG_SND_DEBUG_DETECT
 268         {
 269                 int d;
 270
 271                 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
 272                         snd_printk("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
 273                         return -ENODEV;
 274                 }
 275         }
 276 #else
 277         if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 0)
 278                 return -ENODEV;
 279 #endif
 280         udelay(160);
 281         snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1);   /* release reset */
 282         udelay(160);
 283 #ifdef CONFIG_SND_DEBUG_DETECT
 284         {
 285                 int d;
 286
 287                 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
 288                         snd_printk("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
 289                         return -ENODEV;
 290                 }
 291         }
 292 #else
 293         if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 1)
 294                 return -ENODEV;
 295 #endif
 296
 297         spin_lock_irqsave(&gus->reg_lock, flags);
 298         rev1 = snd_gf1_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER);
 299         snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, ~rev1);
 300         rev2 = snd_gf1_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER);
 301         snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, rev1);
 302         spin_unlock_irqrestore(&gus->reg_lock, flags);
 303         snd_printdd("[0x%lx] InterWave check - rev1=0x%x, rev2=0x%x\n", gus->gf1.port, rev1, rev2);
 304         if ((rev1 & 0xf0) == (rev2 & 0xf0) &&
 305             (rev1 & 0x0f) != (rev2 & 0x0f)) {
 306                 snd_printdd("[0x%lx] InterWave check - passed\n", gus->gf1.port);
 307                 gus->interwave = 1;
 308                 strcpy(gus->card->shortname, "AMD InterWave");
 309                 gus->revision = rev1 >> 4;
 310 #ifndef SNDRV_STB
 311                 return 0;       /* ok.. We have an InterWave board */
 312 #else
 313                 return snd_interwave_detect_stb(iwcard, gus, dev, rbus);
 314 #endif
 315         }
 316         snd_printdd("[0x%lx] InterWave check - failed\n", gus->gf1.port);
 317         return -ENODEV;
 318 }
 319
 320 static irqreturn_t snd_interwave_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 321 {
 322         struct snd_interwave *iwcard = (struct snd_interwave *) dev_id;
 323         int loop, max = 5;
 324         int handled = 0;
 325
 326         do {
 327                 loop = 0;
 328                 if (inb(iwcard->gus_status_reg)) {
 329                         handled = 1;
 330                         snd_gus_interrupt(irq, iwcard->gus, regs);
 331                         loop++;
 332                 }
 333                 if (inb(iwcard->pcm_status_reg) & 0x01) {       /* IRQ bit is set? */
 334                         handled = 1;
 335                         snd_cs4231_interrupt(irq, iwcard->cs4231, regs);
 336                         loop++;
 337                 }
 338         } while (loop && --max > 0);
 339         return IRQ_RETVAL(handled);
 340 }
 341
 342 static void __devinit snd_interwave_reset(snd_gus_card_t * gus)
 343 {
 344         snd_gf1_write8(gus, SNDRV_GF1_GB_RESET, 0x00);
 345         udelay(160);
 346         snd_gf1_write8(gus, SNDRV_GF1_GB_RESET, 0x01);
 347         udelay(160);
 348 }
 349
 350 static void __devinit snd_interwave_bank_sizes(snd_gus_card_t * gus, int *sizes)
 351 {
 352         unsigned int idx;
 353         unsigned int local;
 354         unsigned char d;
 355
 356         for (idx = 0; idx < 4; idx++) {
 357                 sizes[idx] = 0;
 358                 d = 0x55;
 359                 for (local = idx << 22;
 360                      local < (idx << 22) + 0x400000;
 361                      local += 0x40000, d++) {
 362                         snd_gf1_poke(gus, local, d);
 363                         snd_gf1_poke(gus, local + 1, d + 1);
 364 #if 0
 365                         printk("d = 0x%x, local = 0x%x, local + 1 = 0x%x, idx << 22 = 0x%x\n",
 366                                d,
 367                                snd_gf1_peek(gus, local),
 368                                snd_gf1_peek(gus, local + 1),
 369                                snd_gf1_peek(gus, idx << 22));
 370 #endif
 371                         if (snd_gf1_peek(gus, local) != d ||
 372                             snd_gf1_peek(gus, local + 1) != d + 1 ||
 373                             snd_gf1_peek(gus, idx << 22) != 0x55)
 374                                 break;
 375                         sizes[idx]++;
 376                 }
 377         }
 378 #if 0
 379         printk("sizes: %i %i %i %i\n", sizes[0], sizes[1], sizes[2], sizes[3]);
 380 #endif
 381 }
 382
 383 struct rom_hdr {
 384         /* 000 */ unsigned char iwave[8];
 385         /* 008 */ unsigned char rom_hdr_revision;
 386         /* 009 */ unsigned char series_number;
 387         /* 010 */ unsigned char series_name[16];
 388         /* 026 */ unsigned char date[10];
 389         /* 036 */ unsigned short vendor_revision_major;
 390         /* 038 */ unsigned short vendor_revision_minor;
 391         /* 040 */ unsigned int rom_size;
 392         /* 044 */ unsigned char copyright[128];
 393         /* 172 */ unsigned char vendor_name[64];
 394         /* 236 */ unsigned char rom_description[128];
 395         /* 364 */ unsigned char pad[147];
 396         /* 511 */ unsigned char csum;
 397 };
 398
 399 static void __devinit snd_interwave_detect_memory(snd_gus_card_t * gus)
 400 {
 401         static unsigned int lmc[13] =
 402         {
 403                 0x00000001, 0x00000101, 0x01010101, 0x00000401,
 404                 0x04040401, 0x00040101, 0x04040101, 0x00000004,
 405                 0x00000404, 0x04040404, 0x00000010, 0x00001010,
 406                 0x10101010
 407         };
 408
 409         int bank_pos, pages;
 410         unsigned int i, lmct;
 411         int psizes[4];
 412         unsigned char csum;
 413         struct rom_hdr romh;
 414
 415         snd_interwave_reset(gus);
 416         snd_gf1_write8(gus, SNDRV_GF1_GB_GLOBAL_MODE, snd_gf1_read8(gus, SNDRV_GF1_GB_GLOBAL_MODE) | 0x01);             /* enhanced mode */
 417         snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01); /* DRAM I/O cycles selected */
 418         snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xff10) | 0x004c);
 419         /* ok.. simple test of memory size */
 420         pages = 0;
 421         snd_gf1_poke(gus, 0, 0x55);
 422         snd_gf1_poke(gus, 1, 0xaa);
 423 #if 1
 424         if (snd_gf1_peek(gus, 0) == 0x55 && snd_gf1_peek(gus, 1) == 0xaa)
 425 #else
 426         if (0)                  /* ok.. for testing of 0k RAM */
 427 #endif
 428         {
 429                 snd_interwave_bank_sizes(gus, psizes);
 430                 lmct = (psizes[3] << 24) | (psizes[2] << 16) |
 431                     (psizes[1] << 8) | psizes[0];
 432 #if 0
 433                 printk("lmct = 0x%08x\n", lmct);
 434 #endif
 435                 for (i = 0; i < sizeof(lmc) / sizeof(unsigned int); i++)
 436                         if (lmct == lmc[i]) {
 437 #if 0
 438                                 printk("found !!! %i\n", i);
 439 #endif
 440                                 snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xfff0) | i);
 441                                 snd_interwave_bank_sizes(gus, psizes);
 442                                 break;
 443                         }
 444                 if (i >= sizeof(lmc) / sizeof(unsigned int) && !gus->gf1.enh_mode)
 445                          snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xfff0) | 2);
 446                 for (i = 0; i < 4; i++) {
 447                         gus->gf1.mem_alloc.banks_8[i].address =
 448                             gus->gf1.mem_alloc.banks_16[i].address = i << 22;
 449                         gus->gf1.mem_alloc.banks_8[i].size =
 450                             gus->gf1.mem_alloc.banks_16[i].size = psizes[i] << 18;
 451                         pages += psizes[i];
 452                 }
 453         }
 454         pages <<= 18;
 455         gus->gf1.memory = pages;
 456
 457         snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x03); /* select ROM */
 458         snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xff1f) | (4 << 5));
 459         gus->gf1.rom_banks = 0;
 460         gus->gf1.rom_memory = 0;
 461         for (bank_pos = 0; bank_pos < 16L * 1024L * 1024L; bank_pos += 4L * 1024L * 1024L) {
 462                 for (i = 0; i < sizeof(struct rom_hdr); i++)
 463                         *(((unsigned char *) &romh) + i) = snd_gf1_peek(gus, i + bank_pos);
 464 #ifdef CONFIG_SND_DEBUG_ROM
 465                 printk("ROM at 0x%06x = %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n", bank_pos,
 466                        romh.iwave[0], romh.iwave[1], romh.iwave[2], romh.iwave[3],
 467                        romh.iwave[4], romh.iwave[5], romh.iwave[6], romh.iwave[7]);
 468 #endif
 469                 if (strncmp(romh.iwave, "INTRWAVE", 8))
 470                         continue;       /* first check */
 471                 csum = 0;
 472                 for (i = 0; i < sizeof(struct rom_hdr) - 1; i++)
 473                         csum += *(((unsigned char *) &romh) + i);
 474 #ifdef CONFIG_SND_DEBUG_ROM
 475                 printk("ROM checksum = 0x%x == 0x%x (computed)\n", romh.csum, (unsigned char) (256 - csum));
 476 #endif
 477                 if (256 - csum != romh.csum)
 478                         continue;       /* not valid rom */
 479                 gus->gf1.rom_banks++;
 480                 gus->gf1.rom_present |= 1 << (bank_pos >> 22);
 481 #ifdef SNDRV_LITTLE_ENDIAN
 482                 gus->gf1.rom_memory = romh.rom_size;
 483 #else
 484                 gus->gf1.rom_memory = ((romh.rom_size >> 24) & 0x000000ff) |
 485                                       ((romh.rom_size >>  8) & 0x0000ff00) |
 486                                       ((romh.rom_size <<  8) & 0x00ff0000) |
 487                                       ((romh.rom_size << 24) & 0xff000000);
 488 #endif
 489         }
 490 #if 0
 491         if (gus->gf1.rom_memory > 0) {
 492                 if (gus->gf1.rom_banks == 1 && gus->gf1.rom_present == 8)
 493                         gus->card->type = SNDRV_CARD_TYPE_IW_DYNASONIC;
 494         }
 495 #endif
 496         snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x00); /* select RAM */
 497
 498         if (!gus->gf1.enh_mode)
 499                 snd_interwave_reset(gus);
 500 }
 501
 502 static void __devinit snd_interwave_init(int dev, snd_gus_card_t * gus)
 503 {
 504         unsigned long flags;
 505
 506         /* ok.. some InterWave specific initialization */
 507         spin_lock_irqsave(&gus->reg_lock, flags);
 508         snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, 0x00);
 509         snd_gf1_write8(gus, SNDRV_GF1_GB_COMPATIBILITY, 0x1f);
 510         snd_gf1_write8(gus, SNDRV_GF1_GB_DECODE_CONTROL, 0x49);
 511         snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, 0x11);
 512         snd_gf1_write8(gus, SNDRV_GF1_GB_MPU401_CONTROL_A, 0x00);
 513         snd_gf1_write8(gus, SNDRV_GF1_GB_MPU401_CONTROL_B, 0x30);
 514         snd_gf1_write8(gus, SNDRV_GF1_GB_EMULATION_IRQ, 0x00);
 515         spin_unlock_irqrestore(&gus->reg_lock, flags);
 516         gus->equal_irq = 1;
 517         gus->codec_flag = 1;
 518         gus->interwave = 1;
 519         gus->max_flag = 1;
 520         gus->joystick_dac = joystick_dac[dev];
 521
 522 }
 523
 524 #define INTERWAVE_CONTROLS (sizeof(snd_interwave_controls)/sizeof(snd_kcontrol_new_t))
 525
 526 static snd_kcontrol_new_t snd_interwave_controls[] = {
 527 CS4231_DOUBLE("Master Playback Switch", 0, CS4231_LINE_LEFT_OUTPUT, CS4231_LINE_RIGHT_OUTPUT, 7, 7, 1, 1),
 528 CS4231_DOUBLE("Master Playback Volume", 0, CS4231_LINE_LEFT_OUTPUT, CS4231_LINE_RIGHT_OUTPUT, 0, 0, 31, 1),
 529 CS4231_DOUBLE("Mic Playback Switch", 0, CS4231_LEFT_MIC_INPUT, CS4231_RIGHT_MIC_INPUT, 7, 7, 1, 1),
 530 CS4231_DOUBLE("Mic Playback Volume", 0, CS4231_LEFT_MIC_INPUT, CS4231_RIGHT_MIC_INPUT, 0, 0, 31, 1)
 531 };
 532
 533 static int __devinit snd_interwave_mixer(cs4231_t *chip)
 534 {
 535         snd_card_t *card = chip->card;
 536         snd_ctl_elem_id_t id1, id2;
 537         unsigned int idx;
 538         int err;
 539
 540         memset(&id1, 0, sizeof(id1));
 541         memset(&id2, 0, sizeof(id2));
 542         id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
 543 #if 0
 544         /* remove mono microphone controls */
 545         strcpy(id1.name, "Mic Playback Switch");
 546         if ((err = snd_ctl_remove_id(card, &id1)) < 0)
 547                 return err;
 548         strcpy(id1.name, "Mic Playback Volume");
 549         if ((err = snd_ctl_remove_id(card, &id1)) < 0)
 550                 return err;
 551 #endif
 552         /* add new master and mic controls */
 553         for (idx = 0; idx < INTERWAVE_CONTROLS; idx++)
 554                 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_interwave_controls[idx], chip))) < 0)
 555                         return err;
 556         snd_cs4231_out(chip, CS4231_LINE_LEFT_OUTPUT, 0x9f);
 557         snd_cs4231_out(chip, CS4231_LINE_RIGHT_OUTPUT, 0x9f);
 558         snd_cs4231_out(chip, CS4231_LEFT_MIC_INPUT, 0x9f);
 559         snd_cs4231_out(chip, CS4231_RIGHT_MIC_INPUT, 0x9f);
 560         /* reassign AUXA to SYNTHESIZER */
 561         strcpy(id1.name, "Aux Playback Switch");
 562         strcpy(id2.name, "Synth Playback Switch");
 563         if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
 564                 return err;
 565         strcpy(id1.name, "Aux Playback Volume");
 566         strcpy(id2.name, "Synth Playback Volume");
 567         if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
 568                 return err;
 569         /* reassign AUXB to CD */
 570         strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
 571         strcpy(id2.name, "CD Playback Switch");
 572         if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
 573                 return err;
 574         strcpy(id1.name, "Aux Playback Volume");
 575         strcpy(id2.name, "CD Playback Volume");
 576         if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
 577                 return err;
 578         return 0;
 579 }
 580
 581 #ifdef CONFIG_PNP
 582
 583 static int __devinit snd_interwave_pnp(int dev, struct snd_interwave *iwcard,
 584                                        struct pnp_card_link *card,
 585                                        const struct pnp_card_device_id *id)
 586 {
 587         struct pnp_dev *pdev;
 588         struct pnp_resource_table * cfg = kmalloc(sizeof(struct pnp_resource_table), GFP_KERNEL);
 589         int err;
 590
 591         iwcard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
 592         if (iwcard->dev == NULL) {
 593                 kfree(cfg);
 594                 return -EBUSY;
 595         }
 596 #ifdef SNDRV_STB
 597         iwcard->devtc = pnp_request_card_device(card, id->devs[1].id, NULL);
 598         if (iwcard->devtc == NULL) {
 599                 kfree(cfg);
 600                 return -EBUSY;
 601         }
 602 #endif
 603         /* Synth & Codec initialization */
 604         pdev = iwcard->dev;
 605         pnp_init_resource_table(cfg);
 606         if (port[dev] != SNDRV_AUTO_PORT) {
 607                 pnp_resource_change(&cfg->port_resource[0], port[dev], 16);
 608                 pnp_resource_change(&cfg->port_resource[1], port[dev] + 0x100, 12);
 609                 pnp_resource_change(&cfg->port_resource[2], port[dev] + 0x10c, 4);
 610         }
 611         if (dma1[dev] != SNDRV_AUTO_DMA)
 612                 pnp_resource_change(&cfg->dma_resource[0], dma1[dev], 1);
 613         if (dma2[dev] != SNDRV_AUTO_DMA)
 614                 pnp_resource_change(&cfg->dma_resource[1], dma2[dev], 1);
 615         if (dma2[dev] < 0)
 616                 pnp_resource_change(&cfg->dma_resource[1], 4, 1);
 617         if (irq[dev] != SNDRV_AUTO_IRQ)
 618                 pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1);
 619         if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
 620                 snd_printk(KERN_ERR "InterWave - Synth - the requested resources are invalid, using auto config\n");
 621         err = pnp_activate_dev(pdev);
 622         if (err < 0) {
 623                 kfree(cfg);
 624                 snd_printk(KERN_ERR "InterWave PnP configure failure (out of resources?)\n");
 625                 return err;
 626         }
 627         if (pnp_port_start(pdev, 0) + 0x100 != pnp_port_start(pdev, 1) ||
 628             pnp_port_start(pdev, 0) + 0x10c != pnp_port_start(pdev, 2)) {
 629                 kfree(cfg);
 630                 snd_printk(KERN_ERR "PnP configure failure (wrong ports)\n");
 631                 return -ENOENT;
 632         }
 633         port[dev] = pnp_port_start(pdev, 0);
 634         dma1[dev] = pnp_dma(pdev, 0);
 635         if (dma2[dev] >= 0)
 636                 dma2[dev] = pnp_dma(pdev, 1);
 637         irq[dev] = pnp_irq(pdev, 0);
 638         snd_printdd("isapnp IW: sb port=0x%lx, gf1 port=0x%lx, codec port=0x%lx\n",
 639                                 pnp_port_start(pdev, 0),
 640                                 pnp_port_start(pdev, 1),
 641                                 pnp_port_start(pdev, 2));
 642         snd_printdd("isapnp IW: dma1=%i, dma2=%i, irq=%i\n", dma1[dev], dma2[dev], irq[dev]);
 643 #ifdef SNDRV_STB
 644         /* Tone Control initialization */
 645         pdev = iwcard->devtc;
 646         pnp_init_resource_table(cfg);
 647         if (port_tc[dev] != SNDRV_AUTO_PORT)
 648                 pnp_resource_change(&cfg->port_resource[0], port_tc[dev], 1);
 649         if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
 650                 snd_printk(KERN_ERR "InterWave - ToneControl - the requested resources are invalid, using auto config\n");
 651         err = pnp_activate_dev(pdev);
 652         if (err < 0) {
 653                 kfree(cfg);
 654                 snd_printk(KERN_ERR "InterWave ToneControl PnP configure failure (out of resources?)\n");
 655                 return err;
 656         }
 657         port_tc[dev] = pnp_port_start(pdev, 0);
 658         snd_printdd("isapnp IW: tone control port=0x%lx\n", port_tc[dev]);
 659 #endif
 660         kfree(cfg);
 661         return 0;
 662 }
 663 #endif /* CONFIG_PNP */
 664
 665 static void snd_interwave_free(snd_card_t *card)
 666 {
 667         struct snd_interwave *iwcard = (struct snd_interwave *)card->private_data;
 668
 669         if (iwcard == NULL)
 670                 return;
 671 #ifdef SNDRV_STB
 672         if (iwcard->i2c_res) {
 673                 release_resource(iwcard->i2c_res);
 674                 kfree_nocheck(iwcard->i2c_res);
 675         }
 676 #endif
 677         if (iwcard->irq >= 0)
 678                 free_irq(iwcard->irq, (void *)iwcard);
 679 }
 680
 681 static int __devinit snd_interwave_probe(int dev, struct pnp_card_link *pcard,
 682                                          const struct pnp_card_device_id *pid)
 683 {
 684         static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
 685         static int possible_dmas[] = {0, 1, 3, 5, 6, 7, -1};
 686         int xirq, xdma1, xdma2;
 687         snd_card_t *card;
 688         struct snd_interwave *iwcard;
 689         cs4231_t *cs4231;
 690         snd_gus_card_t *gus;
 691 #ifdef SNDRV_STB
 692         snd_i2c_bus_t *i2c_bus;
 693 #endif
 694         snd_pcm_t *pcm;
 695         char *str;
 696         int err;
 697
 698         card = snd_card_new(index[dev], id[dev], THIS_MODULE,
 699                             sizeof(struct snd_interwave));
 700         if (card == NULL)
 701                 return -ENOMEM;
 702         iwcard = (struct snd_interwave *)card->private_data;
 703         iwcard->card = card;
 704         iwcard->irq = -1;
 705         card->private_free = snd_interwave_free;
 706 #ifdef CONFIG_PNP
 707         if (isapnp[dev]) {
 708                 if (snd_interwave_pnp(dev, iwcard, pcard, pid)) {
 709                         snd_card_free(card);
 710                         return -ENODEV;
 711                 }
 712                 snd_card_set_dev(card, &pcard->card->dev);
 713         }
 714 #endif
 715         xirq = irq[dev];
 716         if (xirq == SNDRV_AUTO_IRQ) {
 717                 if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
 718                         snd_card_free(card);
 719                         snd_printk("unable to find a free IRQ\n");
 720                         return -EBUSY;
 721                 }
 722         }
 723         xdma1 = dma1[dev];
 724         if (xdma1 == SNDRV_AUTO_DMA) {
 725                 if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
 726                         snd_card_free(card);
 727                         snd_printk("unable to find a free DMA1\n");
 728                         return -EBUSY;
 729                 }
 730         }
 731         xdma2 = dma2[dev];
 732         if (xdma2 == SNDRV_AUTO_DMA) {
 733                 if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
 734                         snd_card_free(card);
 735                         snd_printk("unable to find a free DMA2\n");
 736                         return -EBUSY;
 737                 }
 738         }
 739
 740         if ((err = snd_gus_create(card,
 741                                   port[dev],
 742                                   -xirq, xdma1, xdma2,
 743                                   0, 32,
 744                                   pcm_channels[dev], effect[dev], &gus)) < 0) {
 745                 snd_card_free(card);
 746                 return err;
 747         }
 748         if ((err = snd_interwave_detect(iwcard, gus, dev
 749 #ifdef SNDRV_STB
 750             , &i2c_bus
 751 #endif
 752             )) < 0) {
 753                 snd_card_free(card);
 754                 return err;
 755         }
 756         iwcard->gus_status_reg = gus->gf1.reg_irqstat;
 757         iwcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
 758
 759         snd_interwave_init(dev, gus);
 760         snd_interwave_detect_memory(gus);
 761         if ((err = snd_gus_initialize(gus)) < 0) {
 762                 snd_card_free(card);
 763                 return err;
 764         }
 765
 766         if (request_irq(xirq, snd_interwave_interrupt, SA_INTERRUPT, "InterWave", (void *)iwcard)) {
 767                 snd_card_free(card);
 768                 snd_printk("unable to grab IRQ %d\n", xirq);
 769                 return -EBUSY;
 770         }
 771         iwcard->irq = xirq;
 772
 773         if ((err = snd_cs4231_create(card,
 774                                      gus->gf1.port + 0x10c, -1, xirq,
 775                                      xdma2 < 0 ? xdma1 : xdma2, xdma1,
 776                                      CS4231_HW_INTERWAVE,
 777                                      CS4231_HWSHARE_IRQ |
 778                                      CS4231_HWSHARE_DMA1 |
 779                                      CS4231_HWSHARE_DMA2,
 780                                      &cs4231)) < 0) {
 781                 snd_card_free(card);
 782                 return err;
 783         }
 784         if ((err = snd_cs4231_pcm(cs4231, 0, &pcm)) < 0) {
 785                 snd_card_free(card);
 786                 return err;
 787         }
 788         sprintf(pcm->name + strlen(pcm->name), " rev %c", gus->revision + 'A');
 789         strcat(pcm->name, " (codec)");
 790         if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0) {
 791                 snd_card_free(card);
 792                 return err;
 793         }
 794         if ((err = snd_cs4231_mixer(cs4231)) < 0) {
 795                 snd_card_free(card);
 796                 return err;
 797         }
 798         if (pcm_channels[dev] > 0) {
 799                 if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0) {
 800                         snd_card_free(card);
 801                         return err;
 802                 }
 803         }
 804         if ((err = snd_interwave_mixer(cs4231)) < 0) {
 805                 snd_card_free(card);
 806                 return err;
 807         }
 808 #ifdef SNDRV_STB
 809         {
 810                 snd_ctl_elem_id_t id1, id2;
 811                 memset(&id1, 0, sizeof(id1));
 812                 memset(&id2, 0, sizeof(id2));
 813                 id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
 814                 strcpy(id1.name, "Master Playback Switch");
 815                 strcpy(id2.name, id1.name);
 816                 id2.index = 1;
 817                 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) {
 818                         snd_card_free(card);
 819                         return err;
 820                 }
 821                 strcpy(id1.name, "Master Playback Volume");
 822                 strcpy(id2.name, id1.name);
 823                 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) {
 824                         snd_card_free(card);
 825                         return err;
 826                 }
 827                 if ((err = snd_tea6330t_update_mixer(card, i2c_bus, 0, 1)) < 0) {
 828                         snd_card_free(card);
 829                         return err;
 830                 }
 831         }
 832 #endif
 833
 834         gus->uart_enable = midi[dev];
 835         if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0) {
 836                 snd_card_free(card);
 837                 return err;
 838         }
 839
 840 #ifndef SNDRV_STB
 841         str = "AMD InterWave";
 842         if (gus->gf1.rom_banks == 1 && gus->gf1.rom_present == 8)
 843                 str = "Dynasonic 3-D";
 844 #else
 845         str = "InterWave STB";
 846 #endif
 847         strcpy(card->driver, str);
 848         strcpy(card->shortname, str);
 849         sprintf(card->longname, "%s at 0x%lx, irq %i, dma %d",
 850                 str,
 851                 gus->gf1.port,
 852                 xirq,
 853                 xdma1);
 854         if (xdma2 >= 0)
 855                 sprintf(card->longname + strlen(card->longname), "&%d", xdma2);
 856
 857         if ((err = snd_card_register(card)) < 0) {
 858                 snd_card_free(card);
 859                 return err;
 860         }
 861
 862         iwcard->cs4231 = cs4231;
 863         iwcard->gus = gus;
 864         if (pcard)
 865                 pnp_set_card_drvdata(pcard, card);
 866         else
 867                 snd_interwave_legacy[dev++] = card;
 868         return 0;
 869 }
 870
 871 static int __devinit snd_interwave_probe_legacy_port(unsigned long xport)
 872 {
 873         static int dev;
 874         int res;
 875
 876         for ( ; dev < SNDRV_CARDS; dev++) {
 877                 if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT)
 878                         continue;
 879 #ifdef CONFIG_PNP
 880                 if (isapnp[dev])
 881                         continue;
 882 #endif
 883                 port[dev] = xport;
 884                 res = snd_interwave_probe(dev, NULL, NULL);
 885                 if (res < 0)
 886                         port[dev] = SNDRV_AUTO_PORT;
 887                 return res;
 888         }
 889         return -ENODEV;
 890 }
 891
 892 #ifdef CONFIG_PNP
 893
 894 static int __devinit snd_interwave_pnp_detect(struct pnp_card_link *card,
 895                                            const struct pnp_card_device_id *id)
 896 {
 897         static int dev;
 898         int res;
 899
 900         for ( ; dev < SNDRV_CARDS; dev++) {
 901                 if (!enable[dev] || !isapnp[dev])
 902                         continue;
 903                 res = snd_interwave_probe(dev, card, id);
 904                 if (res < 0)
 905                         return res;
 906                 dev++;
 907                 return 0;
 908         }
 909
 910         return -ENODEV;
 911 }
 912
 913 static void __devexit snd_interwave_pnp_remove(struct pnp_card_link * pcard)
 914 {
 915         snd_card_t *card = (snd_card_t *) pnp_get_card_drvdata(pcard);
 916
 917         snd_card_disconnect(card);
 918         snd_card_free_in_thread(card);
 919 }
 920
 921 static struct pnp_card_driver interwave_pnpc_driver = {
 922         .flags = PNP_DRIVER_RES_DISABLE,
 923         .name = "interwave",
 924         .id_table = snd_interwave_pnpids,
 925         .probe = snd_interwave_pnp_detect,
 926         .remove = __devexit_p(snd_interwave_pnp_remove),
 927 };
 928
 929 #endif /* CONFIG_PNP */
 930
 931 static int __init alsa_card_interwave_init(void)
 932 {
 933         int cards = 0, i;
 934         static long possible_ports[] = {0x210, 0x220, 0x230, 0x240, 0x250, 0x260, -1};
 935         int dev;
 936
 937         for (dev = 0; dev < SNDRV_CARDS; dev++) {
 938                 if (!enable[dev] || port[dev] == SNDRV_AUTO_PORT)
 939                         continue;
 940 #ifdef CONFIG_PNP
 941                 if (isapnp[dev])
 942                         continue;
 943 #endif
 944                 if (!snd_interwave_probe(dev, NULL, NULL)) {
 945                         cards++;
 946                         continue;
 947                 }
 948 #ifdef MODULE
 949                 printk(KERN_ERR "InterWave soundcard #%i not found at 0x%lx or device busy\n", dev, port[dev]);
 950 #endif
 951         }
 952         /* legacy auto configured cards */
 953         i = snd_legacy_auto_probe(possible_ports, snd_interwave_probe_legacy_port);
 954         if (i > 0)
 955                 cards += i;
 956 #ifdef CONFIG_PNP
 957         /* ISA PnP cards */
 958         i = pnp_register_card_driver(&interwave_pnpc_driver);
 959         if (i > 0)
 960                 cards += i;
 961 #endif
 962
 963         if (!cards) {
 964 #ifdef CONFIG_PNP
 965                 pnp_unregister_card_driver(&interwave_pnpc_driver);
 966 #endif
 967 #ifdef MODULE
 968                 printk(KERN_ERR "InterWave soundcard not found or device busy\n");
 969 #endif
 970                 return -ENODEV;
 971         }
 972         return 0;
 973 }
 974
 975 static void __exit alsa_card_interwave_exit(void)
 976 {
 977         int dev;
 978
 979 #ifdef CONFIG_PNP
 980         /* PnP cards first */
 981         pnp_unregister_card_driver(&interwave_pnpc_driver);
 982 #endif
 983         for (dev = 0; dev < SNDRV_CARDS; dev++)
 984                 snd_card_free(snd_interwave_legacy[dev]);
 985 }
 986
 987 module_init(alsa_card_interwave_init)
 988 module_exit(alsa_card_interwave_exit)