sound/pci/au88x0/au88x0_synth.c

   1 /*
   2  *  This program is free software; you can redistribute it and/or modify
   3  *  it under the terms of the GNU General Public License as published by
   4  *  the Free Software Foundation; either version 2 of the License, or
   5  *  (at your option) any later version.
   6  *
   7  *  This program is distributed in the hope that it will be useful,
   8  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  *  GNU Library General Public License for more details.
  11  *
  12  *  You should have received a copy of the GNU General Public License
  13  *  along with this program; if not, write to the Free Software
  14  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  15  */
  16
  17 /*
  18  * Someday its supposed to make use of the WT DMA engine
  19  * for a Wavetable synthesizer.
  20  */
  21
  22 #include "au88x0.h"
  23 #include "au88x0_wt.h"
  24
  25 static void vortex_fifo_setwtvalid(vortex_t * vortex, int fifo, int en);
  26 static void vortex_connection_adb_mixin(vortex_t * vortex, int en,
  27                                         unsigned char channel,
  28                                         unsigned char source,
  29                                         unsigned char mixin);
  30 static void vortex_connection_mixin_mix(vortex_t * vortex, int en,
  31                                         unsigned char mixin,
  32                                         unsigned char mix, int a);
  33 static void vortex_fifo_wtinitialize(vortex_t * vortex, int fifo, int j);
  34 static int vortex_wt_SetReg(vortex_t * vortex, unsigned char reg, int wt,
  35                             u32 val);
  36
  37 /* WT */
  38
  39 /* Put 2 WT channels together for one stereo interlaced channel. */
  40 static void vortex_wt_setstereo(vortex_t * vortex, u32 wt, u32 stereo)
  41 {
  42         int temp;
  43
  44         //temp = hwread(vortex->mmio, 0x80 + ((wt >> 0x5)<< 0xf) + (((wt & 0x1f) >> 1) << 2));
  45         temp = hwread(vortex->mmio, WT_STEREO(wt));
  46         temp = (temp & 0xfe) | (stereo & 1);
  47         //hwwrite(vortex->mmio, 0x80 + ((wt >> 0x5)<< 0xf) + (((wt & 0x1f) >> 1) << 2), temp);
  48         hwwrite(vortex->mmio, WT_STEREO(wt), temp);
  49 }
  50
  51 /* Join to mixdown route. */
  52 static void vortex_wt_setdsout(vortex_t * vortex, u32 wt, int en)
  53 {
  54         int temp;
  55
  56         /* There is one DSREG register for each bank (32 voices each). */
  57         temp = hwread(vortex->mmio, WT_DSREG((wt >= 0x20) ? 1 : 0));
  58         if (en)
  59                 temp |= (1 << (wt & 0x1f));
  60         else
  61                 temp &= (1 << ~(wt & 0x1f));
  62         hwwrite(vortex->mmio, WT_DSREG((wt >= 0x20) ? 1 : 0), temp);
  63 }
  64
  65 /* Setup WT route. */
  66 static int vortex_wt_allocroute(vortex_t * vortex, int wt, int nr_ch)
  67 {
  68         wt_voice_t *voice = &(vortex->wt_voice[wt]);
  69         int temp;
  70
  71         //FIXME: WT audio routing.
  72         if (nr_ch) {
  73                 vortex_fifo_wtinitialize(vortex, wt, 1);
  74                 vortex_fifo_setwtvalid(vortex, wt, 1);
  75                 vortex_wt_setstereo(vortex, wt, nr_ch - 1);
  76         } else
  77                 vortex_fifo_setwtvalid(vortex, wt, 0);
  78
  79         /* Set mixdown mode. */
  80         vortex_wt_setdsout(vortex, wt, 1);
  81         /* Set other parameter registers. */
  82         hwwrite(vortex->mmio, WT_SRAMP(0), 0x880000);
  83         //hwwrite(vortex->mmio, WT_GMODE(0), 0xffffffff);
  84 #ifdef CHIP_AU8830
  85         hwwrite(vortex->mmio, WT_SRAMP(1), 0x880000);
  86         //hwwrite(vortex->mmio, WT_GMODE(1), 0xffffffff);
  87 #endif
  88         hwwrite(vortex->mmio, WT_PARM(wt, 0), 0);
  89         hwwrite(vortex->mmio, WT_PARM(wt, 1), 0);
  90         hwwrite(vortex->mmio, WT_PARM(wt, 2), 0);
  91
  92         temp = hwread(vortex->mmio, WT_PARM(wt, 3));
  93         printk(KERN_DEBUG "vortex: WT PARM3: %x\n", temp);
  94         //hwwrite(vortex->mmio, WT_PARM(wt, 3), temp);
  95
  96         hwwrite(vortex->mmio, WT_DELAY(wt, 0), 0);
  97         hwwrite(vortex->mmio, WT_DELAY(wt, 1), 0);
  98         hwwrite(vortex->mmio, WT_DELAY(wt, 2), 0);
  99         hwwrite(vortex->mmio, WT_DELAY(wt, 3), 0);
 100
 101         printk(KERN_DEBUG "vortex: WT GMODE: %x\n", hwread(vortex->mmio, WT_GMODE(wt)));
 102
 103         hwwrite(vortex->mmio, WT_PARM(wt, 2), 0xffffffff);
 104         hwwrite(vortex->mmio, WT_PARM(wt, 3), 0xcff1c810);
 105
 106         voice->parm0 = voice->parm1 = 0xcfb23e2f;
 107         hwwrite(vortex->mmio, WT_PARM(wt, 0), voice->parm0);
 108         hwwrite(vortex->mmio, WT_PARM(wt, 1), voice->parm1);
 109         printk(KERN_DEBUG "vortex: WT GMODE 2 : %x\n", hwread(vortex->mmio, WT_GMODE(wt)));
 110         return 0;
 111 }
 112
 113
 114 static void vortex_wt_connect(vortex_t * vortex, int en)
 115 {
 116         int i, ii, mix;
 117
 118 #define NR_WTROUTES 6
 119 #ifdef CHIP_AU8830
 120 #define NR_WTBLOCKS 2
 121 #else
 122 #define NR_WTBLOCKS 1
 123 #endif
 124
 125         for (i = 0; i < NR_WTBLOCKS; i++) {
 126                 for (ii = 0; ii < NR_WTROUTES; ii++) {
 127                         mix =
 128                             vortex_adb_checkinout(vortex,
 129                                                   vortex->fixed_res, en,
 130                                                   VORTEX_RESOURCE_MIXIN);
 131                         vortex->mixwt[(i * NR_WTROUTES) + ii] = mix;
 132
 133                         vortex_route(vortex, en, 0x11,
 134                                      ADB_WTOUT(i, ii + 0x20), ADB_MIXIN(mix));
 135
 136                         vortex_connection_mixin_mix(vortex, en, mix,
 137                                                     vortex->mixplayb[ii % 2], 0);
 138                         if (VORTEX_IS_QUAD(vortex))
 139                                 vortex_connection_mixin_mix(vortex, en,
 140                                                             mix,
 141                                                             vortex->mixplayb[2 +
 142                                                                      (ii % 2)], 0);
 143                 }
 144         }
 145         for (i = 0; i < NR_WT; i++) {
 146                 hwwrite(vortex->mmio, WT_RUN(i), 1);
 147         }
 148 }
 149
 150 /* Read WT Register */
 151 #if 0
 152 static int vortex_wt_GetReg(vortex_t * vortex, char reg, int wt)
 153 {
 154         //int eax, esi;
 155
 156         if (reg == 4) {
 157                 return hwread(vortex->mmio, WT_PARM(wt, 3));
 158         }
 159         if (reg == 7) {
 160                 return hwread(vortex->mmio, WT_GMODE(wt));
 161         }
 162
 163         return 0;
 164 }
 165
 166 /* WT hardware abstraction layer generic register interface. */
 167 static int
 168 vortex_wt_SetReg2(vortex_t * vortex, unsigned char reg, int wt,
 169                   u16 val)
 170 {
 171         /*
 172            int eax, edx;
 173
 174            if (wt >= NR_WT)  // 0x40 -> NR_WT
 175            return 0;
 176
 177            if ((reg - 0x20) > 0) {
 178            if ((reg - 0x21) != 0)
 179            return 0;
 180            eax = ((((b & 0xff) << 0xb) + (edx & 0xff)) << 4) + 0x208; // param 2
 181            } else {
 182            eax = ((((b & 0xff) << 0xb) + (edx & 0xff)) << 4) + 0x20a; // param 3
 183            }
 184            hwwrite(vortex->mmio, eax, c);
 185          */
 186         return 1;
 187 }
 188
 189 /*public: static void __thiscall CWTHal::SetReg(unsigned char,int,unsigned long) */
 190 #endif
 191 static int
 192 vortex_wt_SetReg(vortex_t * vortex, unsigned char reg, int wt,
 193                  u32 val)
 194 {
 195         int ecx;
 196
 197         if ((reg == 5) || ((reg >= 7) && (reg <= 10)) || (reg == 0xc)) {
 198                 if (wt >= (NR_WT / NR_WT_PB)) {
 199                         printk
 200                             ("vortex: WT SetReg: bank out of range. reg=0x%x, wt=%d\n",
 201                              reg, wt);
 202                         return 0;
 203                 }
 204         } else {
 205                 if (wt >= NR_WT) {
 206                         printk(KERN_ERR "vortex: WT SetReg: voice out of range\n");
 207                         return 0;
 208                 }
 209         }
 210         if (reg > 0xc)
 211                 return 0;
 212
 213         switch (reg) {
 214                 /* Voice specific parameters */
 215         case 0:         /* running */
 216                 //printk("vortex: WT SetReg(0x%x) = 0x%08x\n", WT_RUN(wt), (int)val);
 217                 hwwrite(vortex->mmio, WT_RUN(wt), val);
 218                 return 0xc;
 219                 break;
 220         case 1:         /* param 0 */
 221                 //printk("vortex: WT SetReg(0x%x) = 0x%08x\n", WT_PARM(wt,0), (int)val);
 222                 hwwrite(vortex->mmio, WT_PARM(wt, 0), val);
 223                 return 0xc;
 224                 break;
 225         case 2:         /* param 1 */
 226                 //printk("vortex: WT SetReg(0x%x) = 0x%08x\n", WT_PARM(wt,1), (int)val);
 227                 hwwrite(vortex->mmio, WT_PARM(wt, 1), val);
 228                 return 0xc;
 229                 break;
 230         case 3:         /* param 2 */
 231                 //printk("vortex: WT SetReg(0x%x) = 0x%08x\n", WT_PARM(wt,2), (int)val);
 232                 hwwrite(vortex->mmio, WT_PARM(wt, 2), val);
 233                 return 0xc;
 234                 break;
 235         case 4:         /* param 3 */
 236                 //printk("vortex: WT SetReg(0x%x) = 0x%08x\n", WT_PARM(wt,3), (int)val);
 237                 hwwrite(vortex->mmio, WT_PARM(wt, 3), val);
 238                 return 0xc;
 239                 break;
 240         case 6:         /* mute */
 241                 //printk("vortex: WT SetReg(0x%x) = 0x%08x\n", WT_MUTE(wt), (int)val);
 242                 hwwrite(vortex->mmio, WT_MUTE(wt), val);
 243                 return 0xc;
 244                 break;
 245         case 0xb:
 246                 {               /* delay */
 247                         //printk("vortex: WT SetReg(0x%x) = 0x%08x\n", WT_DELAY(wt,0), (int)val);
 248                         hwwrite(vortex->mmio, WT_DELAY(wt, 3), val);
 249                         hwwrite(vortex->mmio, WT_DELAY(wt, 2), val);
 250                         hwwrite(vortex->mmio, WT_DELAY(wt, 1), val);
 251                         hwwrite(vortex->mmio, WT_DELAY(wt, 0), val);
 252                         return 0xc;
 253                 }
 254                 break;
 255                 /* Global WT block parameters */
 256         case 5:         /* sramp */
 257                 ecx = WT_SRAMP(wt);
 258                 break;
 259         case 8:         /* aramp */
 260                 ecx = WT_ARAMP(wt);
 261                 break;
 262         case 9:         /* mramp */
 263                 ecx = WT_MRAMP(wt);
 264                 break;
 265         case 0xa:               /* ctrl */
 266                 ecx = WT_CTRL(wt);
 267                 break;
 268         case 0xc:               /* ds_reg */
 269                 ecx = WT_DSREG(wt);
 270                 break;
 271         default:
 272                 return 0;
 273                 break;
 274         }
 275         //printk("vortex: WT SetReg(0x%x) = 0x%08x\n", ecx, (int)val);
 276         hwwrite(vortex->mmio, ecx, val);
 277         return 1;
 278 }
 279
 280 static void vortex_wt_init(vortex_t * vortex)
 281 {
 282         u32 var4, var8, varc, var10 = 0, edi;
 283
 284         var10 &= 0xFFFFFFE3;
 285         var10 |= 0x22;
 286         var10 &= 0xFFFFFEBF;
 287         var10 |= 0x80;
 288         var10 |= 0x200;
 289         var10 &= 0xfffffffe;
 290         var10 &= 0xfffffbff;
 291         var10 |= 0x1800;
 292         // var10 = 0x1AA2
 293         var4 = 0x10000000;
 294         varc = 0x00830000;
 295         var8 = 0x00830000;
 296
 297         /* Init Bank registers. */
 298         for (edi = 0; edi < (NR_WT / NR_WT_PB); edi++) {
 299                 vortex_wt_SetReg(vortex, 0xc, edi, 0);  /* ds_reg */
 300                 vortex_wt_SetReg(vortex, 0xa, edi, var10);      /* ctrl  */
 301                 vortex_wt_SetReg(vortex, 0x9, edi, var4);       /* mramp */
 302                 vortex_wt_SetReg(vortex, 0x8, edi, varc);       /* aramp */
 303                 vortex_wt_SetReg(vortex, 0x5, edi, var8);       /* sramp */
 304         }
 305         /* Init Voice registers. */
 306         for (edi = 0; edi < NR_WT; edi++) {
 307                 vortex_wt_SetReg(vortex, 0x4, edi, 0);  /* param 3 0x20c */
 308                 vortex_wt_SetReg(vortex, 0x3, edi, 0);  /* param 2 0x208 */
 309                 vortex_wt_SetReg(vortex, 0x2, edi, 0);  /* param 1 0x204 */
 310                 vortex_wt_SetReg(vortex, 0x1, edi, 0);  /* param 0 0x200 */
 311                 vortex_wt_SetReg(vortex, 0xb, edi, 0);  /* delay 0x400 - 0x40c */
 312         }
 313         var10 |= 1;
 314         for (edi = 0; edi < (NR_WT / NR_WT_PB); edi++)
 315                 vortex_wt_SetReg(vortex, 0xa, edi, var10);      /* ctrl */
 316 }
 317
 318 /* Extract of CAdbTopology::SetVolume(struct _ASPVOLUME *) */
 319 #if 0
 320 static void vortex_wt_SetVolume(vortex_t * vortex, int wt, int vol[])
 321 {
 322         wt_voice_t *voice = &(vortex->wt_voice[wt]);
 323         int ecx = vol[1], eax = vol[0];
 324
 325         /* This is pure guess */
 326         voice->parm0 &= 0xff00ffff;
 327         voice->parm0 |= (vol[0] & 0xff) << 0x10;
 328         voice->parm1 &= 0xff00ffff;
 329         voice->parm1 |= (vol[1] & 0xff) << 0x10;
 330
 331         /* This is real */
 332         hwwrite(vortex, WT_PARM(wt, 0), voice->parm0);
 333         hwwrite(vortex, WT_PARM(wt, 1), voice->parm0);
 334
 335         if (voice->this_1D0 & 4) {
 336                 eax >>= 8;
 337                 ecx = eax;
 338                 if (ecx < 0x80)
 339                         ecx = 0x7f;
 340                 voice->parm3 &= 0xFFFFC07F;
 341                 voice->parm3 |= (ecx & 0x7f) << 7;
 342                 voice->parm3 &= 0xFFFFFF80;
 343                 voice->parm3 |= (eax & 0x7f);
 344         } else {
 345                 voice->parm3 &= 0xFFE03FFF;
 346                 voice->parm3 |= (eax & 0xFE00) << 5;
 347         }
 348
 349         hwwrite(vortex, WT_PARM(wt, 3), voice->parm3);
 350 }
 351
 352 /* Extract of CAdbTopology::SetFrequency(unsigned long arg_0) */
 353 static void vortex_wt_SetFrequency(vortex_t * vortex, int wt, unsigned int sr)
 354 {
 355         wt_voice_t *voice = &(vortex->wt_voice[wt]);
 356         u32 eax, edx;
 357
 358         //FIXME: 64 bit operation.
 359         eax = ((sr << 0xf) * 0x57619F1) & 0xffffffff;
 360         edx = (((sr << 0xf) * 0x57619F1)) >> 0x20;
 361
 362         edx >>= 0xa;
 363         edx <<= 1;
 364         if (edx) {
 365                 if (edx & 0x0FFF80000)
 366                         eax = 0x7fff;
 367                 else {
 368                         edx <<= 0xd;
 369                         eax = 7;
 370                         while ((edx & 0x80000000) == 0) {
 371                                 edx <<= 1;
 372                                 eax--;
 373                                 if (eax == 0) ;
 374                                 break;
 375                         }
 376                         if (eax)
 377                                 edx <<= 1;
 378                         eax <<= 0xc;
 379                         edx >>= 0x14;
 380                         eax |= edx;
 381                 }
 382         } else
 383                 eax = 0;
 384         voice->parm0 &= 0xffff0001;
 385         voice->parm0 |= (eax & 0x7fff) << 1;
 386         voice->parm1 = voice->parm0 | 1;
 387         // Wt: this_1D4
 388         //AuWt::WriteReg((ulong)(this_1DC<<4)+0x200, (ulong)this_1E4);
 389         //AuWt::WriteReg((ulong)(this_1DC<<4)+0x204, (ulong)this_1E8);
 390         hwwrite(vortex->mmio, WT_PARM(wt, 0), voice->parm0);
 391         hwwrite(vortex->mmio, WT_PARM(wt, 1), voice->parm1);
 392 }
 393 #endif
 394
 395 /* End of File */