sound/pci/au88x0/au88x0.h

   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 #ifndef __SOUND_AU88X0_H
  18 #define __SOUND_AU88X0_H
  19
  20 #ifdef __KERNEL__
  21 #include <sound/driver.h>
  22 #include <linux/init.h>
  23 #include <linux/pci.h>
  24 #include <asm/io.h>
  25 #include <sound/core.h>
  26 #include <sound/pcm.h>
  27 #include <sound/rawmidi.h>
  28 #include <sound/mpu401.h>
  29 #include <sound/hwdep.h>
  30 #include <sound/ac97_codec.h>
  31
  32 #endif
  33
  34 #ifndef CHIP_AU8820
  35 #include "au88x0_eq.h"
  36 #include "au88x0_a3d.h"
  37 #endif
  38 #ifndef CHIP_AU8810
  39 #include "au88x0_wt.h"
  40 #endif
  41
  42 #define VORTEX_DMA_MASK 0xffffffff
  43
  44 #define hwread(x,y) readl((x)+((y)>>2))
  45 #define hwwrite(x,y,z) writel((z),(x)+((y)>>2))
  46
  47 /* Vortex MPU401 defines. */
  48 #define MIDI_CLOCK_DIV          0x61
  49 /* Standart MPU401 defines. */
  50 #define MPU401_RESET            0xff
  51 #define MPU401_ENTER_UART       0x3f
  52 #define MPU401_ACK              0xfe
  53
  54 // Get src register value to convert from x to y.
  55 #define SRC_RATIO(x,y)          ((((x<<15)/y) + 1)/2)
  56
  57 /* FIFO software state constants. */
  58 #define FIFO_STOP 0
  59 #define FIFO_START 1
  60 #define FIFO_PAUSE 2
  61
  62 /* IRQ flags */
  63 #define IRQ_ERR_MASK    0x00ff
  64 #define IRQ_FATAL       0x0001
  65 #define IRQ_PARITY      0x0002
  66 #define IRQ_REG         0x0004
  67 #define IRQ_FIFO        0x0008
  68 #define IRQ_DMA         0x0010
  69 #define IRQ_PCMOUT      0x0020  /* PCM OUT page crossing */
  70 #define IRQ_TIMER       0x1000
  71 #define IRQ_MIDI        0x2000
  72 #define IRQ_MODEM       0x4000
  73
  74 /* ADB Resource */
  75 #define VORTEX_RESOURCE_DMA     0x00000000
  76 #define VORTEX_RESOURCE_SRC     0x00000001
  77 #define VORTEX_RESOURCE_MIXIN   0x00000002
  78 #define VORTEX_RESOURCE_MIXOUT  0x00000003
  79 #define VORTEX_RESOURCE_A3D     0x00000004
  80 #define VORTEX_RESOURCE_LAST    0x00000005
  81
  82 /* Check for SDAC bit in "Extended audio ID" AC97 register */
  83 //#define VORTEX_IS_QUAD(x) (((x)->codec == NULL) ?  0 : ((x)->codec->ext_id&0x80))
  84 #define VORTEX_IS_QUAD(x) ((x)->isquad)
  85 /* Check if chip has bug. */
  86 #define IS_BAD_CHIP(x) (\
  87         (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_VORTEX_2) || \
  88         (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_ADVANTAGE))
  89
  90
  91 /* PCM devices */
  92 #define VORTEX_PCM_ADB          0
  93 #define VORTEX_PCM_SPDIF        1
  94 #define VORTEX_PCM_A3D          2
  95 #define VORTEX_PCM_WT           3
  96 #define VORTEX_PCM_I2S          4
  97 #define VORTEX_PCM_LAST         5
  98
  99 #define MIX_CAPT(x) (vortex->mixcapt[x])
 100 #define MIX_PLAYB(x) (vortex->mixplayb[x])
 101 #define MIX_SPDIF(x) (vortex->mixspdif[x])
 102
 103 #define NR_WTPB 0x20            /* WT channels per eahc bank. */
 104
 105 /* Structs */
 106 typedef struct {
 107         //int this_08;          /* Still unknown */
 108         int fifo_enabled;       /* this_24 */
 109         int fifo_status;        /* this_1c */
 110         int dma_ctrl;           /* this_78 (ADB), this_7c (WT) */
 111         int dma_unknown;        /* this_74 (ADB), this_78 (WT). WDM: +8 */
 112         int cfg0;
 113         int cfg1;
 114
 115         int nr_ch;              /* Nr of PCM channels in use */
 116         int type;               /* Output type (ac97, a3d, spdif, i2s, dsp) */
 117         int dma;                /* Hardware DMA index. */
 118         int dir;                /* Stream Direction. */
 119         u32 resources[5];
 120
 121         /* Virtual page extender stuff */
 122         int nr_periods;
 123         int period_bytes;
 124         snd_pcm_sgbuf_t *sgbuf; /* DMA Scatter Gather struct */
 125         int period_real;
 126         int period_virt;
 127
 128         snd_pcm_substream_t *substream;
 129 } stream_t;
 130
 131 typedef struct snd_vortex vortex_t;
 132 struct snd_vortex {
 133         /* ALSA structs. */
 134         snd_card_t *card;
 135         snd_pcm_t *pcm[VORTEX_PCM_LAST];
 136
 137         snd_rawmidi_t *rmidi;   /* Legacy Midi interface. */
 138         ac97_t *codec;
 139
 140         /* Stream structs. */
 141         stream_t dma_adb[NR_ADB];
 142         int spdif_sr;
 143 #ifndef CHIP_AU8810
 144         stream_t dma_wt[NR_WT];
 145         wt_voice_t wt_voice[NR_WT];     /* WT register cache. */
 146         char mixwt[(NR_WT / NR_WTPB) * 6];      /* WT mixin objects */
 147 #endif
 148
 149         /* Global resources */
 150         s8 mixcapt[2];
 151         s8 mixplayb[4];
 152 #ifndef CHIP_AU8820
 153         s8 mixspdif[2];
 154         s8 mixa3d[2];   /* mixers which collect all a3d streams. */
 155         s8 mixxtlk[2];  /* crosstalk canceler mixer inputs. */
 156 #endif
 157         u32 fixed_res[5];
 158
 159 #ifndef CHIP_AU8820
 160         /* Hardware equalizer structs */
 161         eqlzr_t eq;
 162         /* A3D structs */
 163         a3dsrc_t a3d[NR_A3D];
 164         /* Xtalk canceler */
 165         int xt_mode;            /* 1: speakers, 0:headphones. */
 166 #endif
 167
 168         int isquad;             /* cache of extended ID codec flag. */
 169
 170         /* Gameport stuff. */
 171         struct gameport *gameport;
 172
 173         /* PCI hardware resources */
 174         unsigned long io;
 175         unsigned long __iomem *mmio;
 176         unsigned int irq;
 177         spinlock_t lock;
 178
 179         /* PCI device */
 180         struct pci_dev *pci_dev;
 181         u16 vendor;
 182         u16 device;
 183         u8 rev;
 184 };
 185
 186 /* Functions. */
 187
 188 /* SRC */
 189 static void vortex_adb_setsrc(vortex_t * vortex, int adbdma,
 190                               unsigned int cvrt, int dir);
 191
 192 /* DMA Engines. */
 193 static void vortex_adbdma_setbuffers(vortex_t * vortex, int adbdma,
 194                                      snd_pcm_sgbuf_t * sgbuf, int size,
 195                                      int count);
 196 static void vortex_adbdma_setmode(vortex_t * vortex, int adbdma, int ie,
 197                                   int dir, int fmt, int d,
 198                                   unsigned long offset);
 199 static void vortex_adbdma_setstartbuffer(vortex_t * vortex, int adbdma, int sb);
 200 #ifndef CHIP_AU8810
 201 static void vortex_wtdma_setbuffers(vortex_t * vortex, int wtdma,
 202                                     snd_pcm_sgbuf_t * sgbuf, int size,
 203                                     int count);
 204 static void vortex_wtdma_setmode(vortex_t * vortex, int wtdma, int ie, int fmt, int d,  /*int e, */
 205                                  unsigned long offset);
 206 static void vortex_wtdma_setstartbuffer(vortex_t * vortex, int wtdma, int sb);
 207 #endif
 208
 209 static void vortex_adbdma_startfifo(vortex_t * vortex, int adbdma);
 210 //static void vortex_adbdma_stopfifo(vortex_t *vortex, int adbdma);
 211 static void vortex_adbdma_pausefifo(vortex_t * vortex, int adbdma);
 212 static void vortex_adbdma_resumefifo(vortex_t * vortex, int adbdma);
 213 static int inline vortex_adbdma_getlinearpos(vortex_t * vortex, int adbdma);
 214 static void vortex_adbdma_resetup(vortex_t *vortex, int adbdma);
 215
 216 #ifndef CHIP_AU8810
 217 static void vortex_wtdma_startfifo(vortex_t * vortex, int wtdma);
 218 static void vortex_wtdma_stopfifo(vortex_t * vortex, int wtdma);
 219 static void vortex_wtdma_pausefifo(vortex_t * vortex, int wtdma);
 220 static void vortex_wtdma_resumefifo(vortex_t * vortex, int wtdma);
 221 static int inline vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma);
 222 #endif
 223
 224 /* global stuff. */
 225 static void vortex_codec_init(vortex_t * vortex);
 226 static void vortex_codec_write(ac97_t * codec, unsigned short addr,
 227                                unsigned short data);
 228 static unsigned short vortex_codec_read(ac97_t * codec, unsigned short addr);
 229 static void vortex_spdif_init(vortex_t * vortex, int spdif_sr, int spdif_mode);
 230
 231 static int vortex_core_init(vortex_t * card);
 232 static int vortex_core_shutdown(vortex_t * card);
 233 static void vortex_enable_int(vortex_t * card);
 234 static irqreturn_t vortex_interrupt(int irq, void *dev_id,
 235                                     struct pt_regs *regs);
 236 static int vortex_alsafmt_aspfmt(int alsafmt);
 237
 238 /* Connection  stuff. */
 239 static void vortex_connect_default(vortex_t * vortex, int en);
 240 static int vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch,
 241                                  int dir, int type);
 242 static char vortex_adb_checkinout(vortex_t * vortex, int resmap[], int out,
 243                                   int restype);
 244 #ifndef CHIP_AU8810
 245 static int vortex_wt_allocroute(vortex_t * vortex, int dma, int nr_ch);
 246 static void vortex_wt_connect(vortex_t * vortex, int en);
 247 static void vortex_wt_init(vortex_t * vortex);
 248 #endif
 249
 250 static void vortex_route(vortex_t * vortex, int en, unsigned char channel,
 251                          unsigned char source, unsigned char dest);
 252 #if 0
 253 static void vortex_routes(vortex_t * vortex, int en, unsigned char channel,
 254                           unsigned char source, unsigned char dest0,
 255                           unsigned char dest1);
 256 #endif
 257 static void vortex_connection_mixin_mix(vortex_t * vortex, int en,
 258                                         unsigned char mixin,
 259                                         unsigned char mix, int a);
 260 static void vortex_mix_setinputvolumebyte(vortex_t * vortex,
 261                                           unsigned char mix, int mixin,
 262                                           unsigned char vol);
 263 static void vortex_mix_setvolumebyte(vortex_t * vortex, unsigned char mix,
 264                                      unsigned char vol);
 265
 266 /* A3D functions. */
 267 #ifndef CHIP_AU8820
 268 static void vortex_Vort3D(vortex_t * v, int en);
 269 static void vortex_Vort3D_connect(vortex_t * vortex, int en);
 270 static void vortex_Vort3D_InitializeSource(a3dsrc_t * a, int en);
 271 #endif
 272
 273 /* Driver stuff. */
 274 static int __devinit vortex_gameport_register(vortex_t * card);
 275 static void vortex_gameport_unregister(vortex_t * card);
 276 #ifndef CHIP_AU8820
 277 static int __devinit vortex_eq_init(vortex_t * vortex);
 278 static int __devexit vortex_eq_free(vortex_t * vortex);
 279 #endif
 280 /* ALSA stuff. */
 281 static int __devinit snd_vortex_new_pcm(vortex_t * vortex, int idx, int nr);
 282 static int __devinit snd_vortex_mixer(vortex_t * vortex);
 283 static int __devinit snd_vortex_midi(vortex_t * vortex);
 284 #endif