release/src-rt-6.x/linux/linux-2.6/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/pci.h>
  23 #include <asm/io.h>
  24 #include <sound/core.h>
  25 #include <sound/pcm.h>
  26 #include <sound/rawmidi.h>
  27 #include <sound/mpu401.h>
  28 #include <sound/hwdep.h>
  29 #include <sound/ac97_codec.h>
  30
  31 #endif
  32
  33 #ifndef CHIP_AU8820
  34 #include "au88x0_eq.h"
  35 #include "au88x0_a3d.h"
  36 #endif
  37 #ifndef CHIP_AU8810
  38 #include "au88x0_wt.h"
  39 #endif
  40
  41 #define hwread(x,y) readl((x)+(y))
  42 #define hwwrite(x,y,z) writel((z),(x)+(y))
  43
  44 /* Vortex MPU401 defines. */
  45 #define MIDI_CLOCK_DIV          0x61
  46 /* Standart MPU401 defines. */
  47 #define MPU401_RESET            0xff
  48 #define MPU401_ENTER_UART       0x3f
  49 #define MPU401_ACK              0xfe
  50
  51 // Get src register value to convert from x to y.
  52 #define SRC_RATIO(x,y)          ((((x<<15)/y) + 1)/2)
  53
  54 /* FIFO software state constants. */
  55 #define FIFO_STOP 0
  56 #define FIFO_START 1
  57 #define FIFO_PAUSE 2
  58
  59 /* IRQ flags */
  60 #define IRQ_ERR_MASK    0x00ff
  61 #define IRQ_FATAL       0x0001
  62 #define IRQ_PARITY      0x0002
  63 #define IRQ_REG         0x0004
  64 #define IRQ_FIFO        0x0008
  65 #define IRQ_DMA         0x0010
  66 #define IRQ_PCMOUT      0x0020  /* PCM OUT page crossing */
  67 #define IRQ_TIMER       0x1000
  68 #define IRQ_MIDI        0x2000
  69 #define IRQ_MODEM       0x4000
  70
  71 /* ADB Resource */
  72 #define VORTEX_RESOURCE_DMA     0x00000000
  73 #define VORTEX_RESOURCE_SRC     0x00000001
  74 #define VORTEX_RESOURCE_MIXIN   0x00000002
  75 #define VORTEX_RESOURCE_MIXOUT  0x00000003
  76 #define VORTEX_RESOURCE_A3D     0x00000004
  77 #define VORTEX_RESOURCE_LAST    0x00000005
  78
  79 /* codec io: VORTEX_CODEC_IO bits */
  80 #define VORTEX_CODEC_ID_SHIFT   24
  81 #define VORTEX_CODEC_WRITE      0x00800000
  82 #define VORTEX_CODEC_ADDSHIFT   16
  83 #define VORTEX_CODEC_ADDMASK    0x7f0000
  84 #define VORTEX_CODEC_DATSHIFT   0
  85 #define VORTEX_CODEC_DATMASK    0xffff
  86
  87 /* Check for SDAC bit in "Extended audio ID" AC97 register */
  88 //#define VORTEX_IS_QUAD(x) (((x)->codec == NULL) ?  0 : ((x)->codec->ext_id&0x80))
  89 #define VORTEX_IS_QUAD(x) ((x)->isquad)
  90 /* Check if chip has bug. */
  91 #define IS_BAD_CHIP(x) (\
  92         (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_VORTEX_2) || \
  93         (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_ADVANTAGE))
  94
  95
  96 /* PCM devices */
  97 #define VORTEX_PCM_ADB          0
  98 #define VORTEX_PCM_SPDIF        1
  99 #define VORTEX_PCM_A3D          2
 100 #define VORTEX_PCM_WT           3
 101 #define VORTEX_PCM_I2S          4
 102 #define VORTEX_PCM_LAST         5
 103
 104 #define MIX_CAPT(x) (vortex->mixcapt[x])
 105 #define MIX_PLAYB(x) (vortex->mixplayb[x])
 106 #define MIX_SPDIF(x) (vortex->mixspdif[x])
 107
 108 #define NR_WTPB 0x20            /* WT channels per eahc bank. */
 109
 110 /* Structs */
 111 typedef struct {
 112         //int this_08;          /* Still unknown */
 113         int fifo_enabled;       /* this_24 */
 114         int fifo_status;        /* this_1c */
 115         u32 dma_ctrl;           /* this_78 (ADB), this_7c (WT) */
 116         int dma_unknown;        /* this_74 (ADB), this_78 (WT). WDM: +8 */
 117         int cfg0;
 118         int cfg1;
 119
 120         int nr_ch;              /* Nr of PCM channels in use */
 121         int type;               /* Output type (ac97, a3d, spdif, i2s, dsp) */
 122         int dma;                /* Hardware DMA index. */
 123         int dir;                /* Stream Direction. */
 124         u32 resources[5];
 125
 126         /* Virtual page extender stuff */
 127         int nr_periods;
 128         int period_bytes;
 129         struct snd_sg_buf *sgbuf;       /* DMA Scatter Gather struct */
 130         int period_real;
 131         int period_virt;
 132
 133         struct snd_pcm_substream *substream;
 134 } stream_t;
 135
 136 typedef struct snd_vortex vortex_t;
 137 struct snd_vortex {
 138         /* ALSA structs. */
 139         struct snd_card *card;
 140         struct snd_pcm *pcm[VORTEX_PCM_LAST];
 141
 142         struct snd_rawmidi *rmidi;      /* Legacy Midi interface. */
 143         struct snd_ac97 *codec;
 144
 145         /* Stream structs. */
 146         stream_t dma_adb[NR_ADB];
 147         int spdif_sr;
 148 #ifndef CHIP_AU8810
 149         stream_t dma_wt[NR_WT];
 150         wt_voice_t wt_voice[NR_WT];     /* WT register cache. */
 151         char mixwt[(NR_WT / NR_WTPB) * 6];      /* WT mixin objects */
 152 #endif
 153
 154         /* Global resources */
 155         s8 mixcapt[2];
 156         s8 mixplayb[4];
 157 #ifndef CHIP_AU8820
 158         s8 mixspdif[2];
 159         s8 mixa3d[2];   /* mixers which collect all a3d streams. */
 160         s8 mixxtlk[2];  /* crosstalk canceler mixer inputs. */
 161 #endif
 162         u32 fixed_res[5];
 163
 164 #ifndef CHIP_AU8820
 165         /* Hardware equalizer structs */
 166         eqlzr_t eq;
 167         /* A3D structs */
 168         a3dsrc_t a3d[NR_A3D];
 169         /* Xtalk canceler */
 170         int xt_mode;            /* 1: speakers, 0:headphones. */
 171 #endif
 172
 173         int isquad;             /* cache of extended ID codec flag. */
 174
 175         /* Gameport stuff. */
 176         struct gameport *gameport;
 177
 178         /* PCI hardware resources */
 179         unsigned long io;
 180         void __iomem *mmio;
 181         unsigned int irq;
 182         spinlock_t lock;
 183
 184         /* PCI device */
 185         struct pci_dev *pci_dev;
 186         u16 vendor;
 187         u16 device;
 188         u8 rev;
 189 };
 190
 191 /* Functions. */
 192
 193 /* SRC */
 194 static void vortex_adb_setsrc(vortex_t * vortex, int adbdma,
 195                               unsigned int cvrt, int dir);
 196
 197 /* DMA Engines. */
 198 static void vortex_adbdma_setbuffers(vortex_t * vortex, int adbdma,
 199                                      struct snd_sg_buf * sgbuf, int size,
 200                                      int count);
 201 static void vortex_adbdma_setmode(vortex_t * vortex, int adbdma, int ie,
 202                                   int dir, int fmt, int d,
 203                                   u32 offset);
 204 static void vortex_adbdma_setstartbuffer(vortex_t * vortex, int adbdma, int sb);
 205 #ifndef CHIP_AU8810
 206 static void vortex_wtdma_setbuffers(vortex_t * vortex, int wtdma,
 207                                     struct snd_sg_buf * sgbuf, int size,
 208                                     int count);
 209 static void vortex_wtdma_setmode(vortex_t * vortex, int wtdma, int ie, int fmt, int d,  /*int e, */
 210                                  u32 offset);
 211 static void vortex_wtdma_setstartbuffer(vortex_t * vortex, int wtdma, int sb);
 212 #endif
 213
 214 static void vortex_adbdma_startfifo(vortex_t * vortex, int adbdma);
 215 //static void vortex_adbdma_stopfifo(vortex_t *vortex, int adbdma);
 216 static void vortex_adbdma_pausefifo(vortex_t * vortex, int adbdma);
 217 static void vortex_adbdma_resumefifo(vortex_t * vortex, int adbdma);
 218 static int inline vortex_adbdma_getlinearpos(vortex_t * vortex, int adbdma);
 219 static void vortex_adbdma_resetup(vortex_t *vortex, int adbdma);
 220
 221 #ifndef CHIP_AU8810
 222 static void vortex_wtdma_startfifo(vortex_t * vortex, int wtdma);
 223 static void vortex_wtdma_stopfifo(vortex_t * vortex, int wtdma);
 224 static void vortex_wtdma_pausefifo(vortex_t * vortex, int wtdma);
 225 static void vortex_wtdma_resumefifo(vortex_t * vortex, int wtdma);
 226 static int inline vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma);
 227 #endif
 228
 229 /* global stuff. */
 230 static void vortex_codec_init(vortex_t * vortex);
 231 static void vortex_codec_write(struct snd_ac97 * codec, unsigned short addr,
 232                                unsigned short data);
 233 static unsigned short vortex_codec_read(struct snd_ac97 * codec, unsigned short addr);
 234 static void vortex_spdif_init(vortex_t * vortex, int spdif_sr, int spdif_mode);
 235
 236 static int vortex_core_init(vortex_t * card);
 237 static int vortex_core_shutdown(vortex_t * card);
 238 static void vortex_enable_int(vortex_t * card);
 239 static irqreturn_t vortex_interrupt(int irq, void *dev_id);
 240 static int vortex_alsafmt_aspfmt(int alsafmt);
 241
 242 /* Connection  stuff. */
 243 static void vortex_connect_default(vortex_t * vortex, int en);
 244 static int vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch,
 245                                  int dir, int type);
 246 static char vortex_adb_checkinout(vortex_t * vortex, int resmap[], int out,
 247                                   int restype);
 248 #ifndef CHIP_AU8810
 249 static int vortex_wt_allocroute(vortex_t * vortex, int dma, int nr_ch);
 250 static void vortex_wt_connect(vortex_t * vortex, int en);
 251 static void vortex_wt_init(vortex_t * vortex);
 252 #endif
 253
 254 static void vortex_route(vortex_t * vortex, int en, unsigned char channel,
 255                          unsigned char source, unsigned char dest);
 256 #if 0
 257 static void vortex_routes(vortex_t * vortex, int en, unsigned char channel,
 258                           unsigned char source, unsigned char dest0,
 259                           unsigned char dest1);
 260 #endif
 261 static void vortex_connection_mixin_mix(vortex_t * vortex, int en,
 262                                         unsigned char mixin,
 263                                         unsigned char mix, int a);
 264 static void vortex_mix_setinputvolumebyte(vortex_t * vortex,
 265                                           unsigned char mix, int mixin,
 266                                           unsigned char vol);
 267 static void vortex_mix_setvolumebyte(vortex_t * vortex, unsigned char mix,
 268                                      unsigned char vol);
 269
 270 /* A3D functions. */
 271 #ifndef CHIP_AU8820
 272 static void vortex_Vort3D_enable(vortex_t * v);
 273 static void vortex_Vort3D_disable(vortex_t * v);
 274 static void vortex_Vort3D_connect(vortex_t * vortex, int en);
 275 static void vortex_Vort3D_InitializeSource(a3dsrc_t * a, int en);
 276 #endif
 277
 278 /* Driver stuff. */
 279 static int vortex_gameport_register(vortex_t * card);
 280 static void vortex_gameport_unregister(vortex_t * card);
 281 #ifndef CHIP_AU8820
 282 static int vortex_eq_init(vortex_t * vortex);
 283 static int vortex_eq_free(vortex_t * vortex);
 284 #endif
 285 /* ALSA stuff. */
 286 static int snd_vortex_new_pcm(vortex_t * vortex, int idx, int nr);
 287 static int snd_vortex_mixer(vortex_t * vortex);
 288 static int snd_vortex_midi(vortex_t * vortex);
 289 #endif