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