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TOMOYO Linux Cross Reference
Linux/sound/pci/au88x0/au88x0.h

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  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 #include <linux/pci.h>
 21 #include <linux/io.h>
 22 #include <sound/core.h>
 23 #include <sound/pcm.h>
 24 #include <sound/rawmidi.h>
 25 #include <sound/mpu401.h>
 26 #include <sound/hwdep.h>
 27 #include <sound/ac97_codec.h>
 28 #include <sound/tlv.h>
 29 
 30 #ifndef CHIP_AU8820
 31 #include "au88x0_eq.h"
 32 #include "au88x0_a3d.h"
 33 #endif
 34 #ifndef CHIP_AU8810
 35 #include "au88x0_wt.h"
 36 #endif
 37 
 38 #define hwread(x,y) readl((x)+(y))
 39 #define hwwrite(x,y,z) writel((z),(x)+(y))
 40 
 41 /* Vortex MPU401 defines. */
 42 #define MIDI_CLOCK_DIV          0x61
 43 /* Standart MPU401 defines. */
 44 #define MPU401_RESET            0xff
 45 #define MPU401_ENTER_UART       0x3f
 46 #define MPU401_ACK              0xfe
 47 
 48 // Get src register value to convert from x to y.
 49 #define SRC_RATIO(x,y)          ((((x<<15)/y) + 1)/2)
 50 
 51 /* FIFO software state constants. */
 52 #define FIFO_STOP 0
 53 #define FIFO_START 1
 54 #define FIFO_PAUSE 2
 55 
 56 /* IRQ flags */
 57 #define IRQ_ERR_MASK    0x00ff
 58 #define IRQ_FATAL       0x0001
 59 #define IRQ_PARITY      0x0002
 60 #define IRQ_REG         0x0004
 61 #define IRQ_FIFO        0x0008
 62 #define IRQ_DMA         0x0010
 63 #define IRQ_PCMOUT      0x0020  /* PCM OUT page crossing */
 64 #define IRQ_TIMER       0x1000
 65 #define IRQ_MIDI        0x2000
 66 #define IRQ_MODEM       0x4000
 67 
 68 /* ADB Resource */
 69 #define VORTEX_RESOURCE_DMA     0x00000000
 70 #define VORTEX_RESOURCE_SRC     0x00000001
 71 #define VORTEX_RESOURCE_MIXIN   0x00000002
 72 #define VORTEX_RESOURCE_MIXOUT  0x00000003
 73 #define VORTEX_RESOURCE_A3D     0x00000004
 74 #define VORTEX_RESOURCE_LAST    0x00000005
 75 
 76 /* codec io: VORTEX_CODEC_IO bits */
 77 #define VORTEX_CODEC_ID_SHIFT   24
 78 #define VORTEX_CODEC_WRITE      0x00800000
 79 #define VORTEX_CODEC_ADDSHIFT   16
 80 #define VORTEX_CODEC_ADDMASK    0x7f0000
 81 #define VORTEX_CODEC_DATSHIFT   0
 82 #define VORTEX_CODEC_DATMASK    0xffff
 83 
 84 /* Check for SDAC bit in "Extended audio ID" AC97 register */
 85 //#define VORTEX_IS_QUAD(x) (((x)->codec == NULL) ?  0 : ((x)->codec->ext_id&0x80))
 86 #define VORTEX_IS_QUAD(x) ((x)->isquad)
 87 /* Check if chip has bug. */
 88 #define IS_BAD_CHIP(x) (\
 89         (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_VORTEX_2) || \
 90         (x->rev == 0xfe && x->device == PCI_DEVICE_ID_AUREAL_ADVANTAGE))
 91 
 92 
 93 /* PCM devices */
 94 #define VORTEX_PCM_ADB          0
 95 #define VORTEX_PCM_SPDIF        1
 96 #define VORTEX_PCM_A3D          2
 97 #define VORTEX_PCM_WT           3
 98 #define VORTEX_PCM_I2S          4
 99 #define VORTEX_PCM_LAST         5
100 
101 #define MIX_CAPT(x) (vortex->mixcapt[x])
102 #define MIX_PLAYB(x) (vortex->mixplayb[x])
103 #define MIX_SPDIF(x) (vortex->mixspdif[x])
104 
105 #define NR_WTPB 0x20            /* WT channels per each bank. */
106 #define NR_PCM  0x10
107 
108 struct pcm_vol {
109         struct snd_kcontrol *kctl;
110         int active;
111         int dma;
112         int mixin[4];
113         int vol[4];
114 };
115 
116 /* Structs */
117 typedef struct {
118         //int this_08;          /* Still unknown */
119         int fifo_enabled;       /* this_24 */
120         int fifo_status;        /* this_1c */
121         u32 dma_ctrl;           /* this_78 (ADB), this_7c (WT) */
122         int dma_unknown;        /* this_74 (ADB), this_78 (WT). WDM: +8 */
123         int cfg0;
124         int cfg1;
125 
126         int nr_ch;              /* Nr of PCM channels in use */
127         int type;               /* Output type (ac97, a3d, spdif, i2s, dsp) */
128         int dma;                /* Hardware DMA index. */
129         int dir;                /* Stream Direction. */
130         u32 resources[5];
131 
132         /* Virtual page extender stuff */
133         int nr_periods;
134         int period_bytes;
135         int period_real;
136         int period_virt;
137 
138         struct snd_pcm_substream *substream;
139 } stream_t;
140 
141 typedef struct snd_vortex vortex_t;
142 struct snd_vortex {
143         /* ALSA structs. */
144         struct snd_card *card;
145         struct snd_pcm *pcm[VORTEX_PCM_LAST];
146 
147         struct snd_rawmidi *rmidi;      /* Legacy Midi interface. */
148         struct snd_ac97 *codec;
149 
150         /* Stream structs. */
151         stream_t dma_adb[NR_ADB];
152         int spdif_sr;
153 #ifndef CHIP_AU8810
154         stream_t dma_wt[NR_WT];
155         wt_voice_t wt_voice[NR_WT];     /* WT register cache. */
156         char mixwt[(NR_WT / NR_WTPB) * 6];      /* WT mixin objects */
157 #endif
158 
159         /* Global resources */
160         s8 mixcapt[2];
161         s8 mixplayb[4];
162 #ifndef CHIP_AU8820
163         s8 mixspdif[2];
164         s8 mixa3d[2];   /* mixers which collect all a3d streams. */
165         s8 mixxtlk[2];  /* crosstalk canceler mixer inputs. */
166 #endif
167         u32 fixed_res[5];
168 
169 #ifndef CHIP_AU8820
170         /* Hardware equalizer structs */
171         eqlzr_t eq;
172         /* A3D structs */
173         a3dsrc_t a3d[NR_A3D];
174         /* Xtalk canceler */
175         int xt_mode;            /* 1: speakers, 0:headphones. */
176 #endif
177         struct pcm_vol pcm_vol[NR_PCM];
178 
179         int isquad;             /* cache of extended ID codec flag. */
180 
181         /* Gameport stuff. */
182         struct gameport *gameport;
183 
184         /* PCI hardware resources */
185         unsigned long io;
186         void __iomem *mmio;
187         unsigned int irq;
188         spinlock_t lock;
189 
190         /* PCI device */
191         struct pci_dev *pci_dev;
192         u16 vendor;
193         u16 device;
194         u8 rev;
195 };
196 
197 /* Functions. */
198 
199 /* SRC */
200 static void vortex_adb_setsrc(vortex_t * vortex, int adbdma,
201                               unsigned int cvrt, int dir);
202 
203 /* DMA Engines. */
204 static void vortex_adbdma_setbuffers(vortex_t * vortex, int adbdma,
205                                      int size, int count);
206 static void vortex_adbdma_setmode(vortex_t * vortex, int adbdma, int ie,
207                                   int dir, int fmt, int d,
208                                   u32 offset);
209 static void vortex_adbdma_setstartbuffer(vortex_t * vortex, int adbdma, int sb);
210 #ifndef CHIP_AU8810
211 static void vortex_wtdma_setbuffers(vortex_t * vortex, int wtdma,
212                                     int size, int count);
213 static void vortex_wtdma_setmode(vortex_t * vortex, int wtdma, int ie, int fmt, int d,  /*int e, */
214                                  u32 offset);
215 static void vortex_wtdma_setstartbuffer(vortex_t * vortex, int wtdma, int sb);
216 #endif
217 
218 static void vortex_adbdma_startfifo(vortex_t * vortex, int adbdma);
219 //static void vortex_adbdma_stopfifo(vortex_t *vortex, int adbdma);
220 static void vortex_adbdma_pausefifo(vortex_t * vortex, int adbdma);
221 static void vortex_adbdma_resumefifo(vortex_t * vortex, int adbdma);
222 static inline int vortex_adbdma_getlinearpos(vortex_t * vortex, int adbdma);
223 static void vortex_adbdma_resetup(vortex_t *vortex, int adbdma);
224 
225 #ifndef CHIP_AU8810
226 static void vortex_wtdma_startfifo(vortex_t * vortex, int wtdma);
227 static void vortex_wtdma_stopfifo(vortex_t * vortex, int wtdma);
228 static void vortex_wtdma_pausefifo(vortex_t * vortex, int wtdma);
229 static void vortex_wtdma_resumefifo(vortex_t * vortex, int wtdma);
230 static inline int vortex_wtdma_getlinearpos(vortex_t * vortex, int wtdma);
231 #endif
232 
233 /* global stuff. */
234 static void vortex_codec_init(vortex_t * vortex);
235 static void vortex_codec_write(struct snd_ac97 * codec, unsigned short addr,
236                                unsigned short data);
237 static unsigned short vortex_codec_read(struct snd_ac97 * codec, unsigned short addr);
238 static void vortex_spdif_init(vortex_t * vortex, int spdif_sr, int spdif_mode);
239 
240 static int vortex_core_init(vortex_t * card);
241 static int vortex_core_shutdown(vortex_t * card);
242 static void vortex_enable_int(vortex_t * card);
243 static irqreturn_t vortex_interrupt(int irq, void *dev_id);
244 static int vortex_alsafmt_aspfmt(int alsafmt, vortex_t *v);
245 
246 /* Connection  stuff. */
247 static void vortex_connect_default(vortex_t * vortex, int en);
248 static int vortex_adb_allocroute(vortex_t * vortex, int dma, int nr_ch,
249                                  int dir, int type, int subdev);
250 static char vortex_adb_checkinout(vortex_t * vortex, int resmap[], int out,
251                                   int restype);
252 #ifndef CHIP_AU8810
253 static int vortex_wt_allocroute(vortex_t * vortex, int dma, int nr_ch);
254 static void vortex_wt_connect(vortex_t * vortex, int en);
255 static void vortex_wt_init(vortex_t * vortex);
256 #endif
257 
258 static void vortex_route(vortex_t * vortex, int en, unsigned char channel,
259                          unsigned char source, unsigned char dest);
260 #if 0
261 static void vortex_routes(vortex_t * vortex, int en, unsigned char channel,
262                           unsigned char source, unsigned char dest0,
263                           unsigned char dest1);
264 #endif
265 static void vortex_connection_mixin_mix(vortex_t * vortex, int en,
266                                         unsigned char mixin,
267                                         unsigned char mix, int a);
268 static void vortex_mix_setinputvolumebyte(vortex_t * vortex,
269                                           unsigned char mix, int mixin,
270                                           unsigned char vol);
271 static void vortex_mix_setvolumebyte(vortex_t * vortex, unsigned char mix,
272                                      unsigned char vol);
273 
274 /* A3D functions. */
275 #ifndef CHIP_AU8820
276 static void vortex_Vort3D_enable(vortex_t * v);
277 static void vortex_Vort3D_disable(vortex_t * v);
278 static void vortex_Vort3D_connect(vortex_t * vortex, int en);
279 static void vortex_Vort3D_InitializeSource(a3dsrc_t *a, int en, vortex_t *v);
280 #endif
281 
282 /* Driver stuff. */
283 static int vortex_gameport_register(vortex_t * card);
284 static void vortex_gameport_unregister(vortex_t * card);
285 #ifndef CHIP_AU8820
286 static int vortex_eq_init(vortex_t * vortex);
287 static int vortex_eq_free(vortex_t * vortex);
288 #endif
289 /* ALSA stuff. */
290 static int snd_vortex_new_pcm(vortex_t * vortex, int idx, int nr);
291 static int snd_vortex_mixer(vortex_t * vortex);
292 static int snd_vortex_midi(vortex_t * vortex);
293 #endif
294 

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