[PATCH] use get_fs_struct() in proc
[linux-2.6] / include / sound / trident.h
1 #ifndef __SOUND_TRIDENT_H
2 #define __SOUND_TRIDENT_H
3
4 /*
5  *  audio@tridentmicro.com
6  *  Fri Feb 19 15:55:28 MST 1999
7  *  Definitions for Trident 4DWave DX/NX chips
8  *
9  *
10  *   This program is free software; you can redistribute it and/or modify
11  *   it under the terms of the GNU General Public License as published by
12  *   the Free Software Foundation; either version 2 of the License, or
13  *   (at your option) any later version.
14  *
15  *   This program is distributed in the hope that it will be useful,
16  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
17  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  *   GNU General Public License for more details.
19  *
20  *   You should have received a copy of the GNU General Public License
21  *   along with this program; if not, write to the Free Software
22  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
23  *
24  */
25
26 #include "pcm.h"
27 #include "mpu401.h"
28 #include "ac97_codec.h"
29 #include "seq_midi_emul.h"
30 #include "seq_device.h"
31 #include "util_mem.h"
32 //#include "ainstr_iw.h"
33 //#include "ainstr_gf1.h"
34 #include "ainstr_simple.h"
35
36 #ifndef PCI_VENDOR_ID_TRIDENT
37 #define PCI_VENDOR_ID_TRIDENT           0x1023
38 #endif
39 #ifndef PCI_DEVICE_ID_TRIDENT_4DWAVE_DX 
40 #define PCI_DEVICE_ID_TRIDENT_4DWAVE_DX 0x2000
41 #endif
42 #ifndef PCI_DEVICE_ID_TRIDENT_4DWAVE_NX 
43 #define PCI_DEVICE_ID_TRIDENT_4DWAVE_NX 0x2001
44 #endif
45
46 #ifndef PCI_VENDOR_ID_SI
47 #define PCI_VENDOR_ID_SI                0x1039
48 #endif
49 #ifndef PCI_DEVICE_ID_SI_7018
50 #define PCI_DEVICE_ID_SI_7018           0x7018
51 #endif
52
53 #define TRIDENT_DEVICE_ID_DX            ((PCI_VENDOR_ID_TRIDENT<<16)|PCI_DEVICE_ID_TRIDENT_4DWAVE_DX)
54 #define TRIDENT_DEVICE_ID_NX            ((PCI_VENDOR_ID_TRIDENT<<16)|PCI_DEVICE_ID_TRIDENT_4DWAVE_NX)
55 #define TRIDENT_DEVICE_ID_SI7018        ((PCI_VENDOR_ID_SI<<16)|PCI_DEVICE_ID_SI_7018)
56
57 #define SNDRV_SEQ_DEV_ID_TRIDENT                        "trident-synth"
58
59 #define SNDRV_TRIDENT_VOICE_TYPE_PCM            0
60 #define SNDRV_TRIDENT_VOICE_TYPE_SYNTH          1
61 #define SNDRV_TRIDENT_VOICE_TYPE_MIDI           2
62
63 #define SNDRV_TRIDENT_VFLG_RUNNING              (1<<0)
64
65 /* TLB code constants */
66 #define SNDRV_TRIDENT_PAGE_SIZE                 4096
67 #define SNDRV_TRIDENT_PAGE_SHIFT                        12
68 #define SNDRV_TRIDENT_PAGE_MASK                 ((1<<SNDRV_TRIDENT_PAGE_SHIFT)-1)
69 #define SNDRV_TRIDENT_MAX_PAGES                 4096
70
71 /*
72  * Direct registers
73  */
74
75 #define TRID_REG(trident, x) ((trident)->port + (x))
76
77 #define ID_4DWAVE_DX        0x2000
78 #define ID_4DWAVE_NX        0x2001
79
80 /* Bank definitions */
81
82 #define T4D_BANK_A      0
83 #define T4D_BANK_B      1
84 #define T4D_NUM_BANKS   2
85
86 /* Register definitions */
87
88 /* Global registers */
89
90 enum global_control_bits {
91         CHANNEL_IDX     = 0x0000003f,
92         OVERRUN_IE      = 0x00000400,   /* interrupt enable: capture overrun */
93         UNDERRUN_IE     = 0x00000800,   /* interrupt enable: playback underrun */
94         ENDLP_IE        = 0x00001000,   /* interrupt enable: end of buffer */
95         MIDLP_IE        = 0x00002000,   /* interrupt enable: middle buffer */
96         ETOG_IE         = 0x00004000,   /* interrupt enable: envelope toggling */
97         EDROP_IE        = 0x00008000,   /* interrupt enable: envelope drop */
98         BANK_B_EN       = 0x00010000,   /* SiS: enable bank B (64 channels) */
99         PCMIN_B_MIX     = 0x00020000,   /* SiS: PCM IN B mixing enable */
100         I2S_OUT_ASSIGN  = 0x00040000,   /* SiS: I2S Out contains surround PCM */
101         SPDIF_OUT_ASSIGN= 0x00080000,   /* SiS: 0=S/PDIF L/R | 1=PCM Out FIFO */
102         MAIN_OUT_ASSIGN = 0x00100000,   /* SiS: 0=PCM Out FIFO | 1=MMC Out buffer */
103 };
104
105 enum miscint_bits {
106         PB_UNDERRUN_IRQ = 0x00000001, REC_OVERRUN_IRQ = 0x00000002,
107         SB_IRQ          = 0x00000004, MPU401_IRQ      = 0x00000008,
108         OPL3_IRQ        = 0x00000010, ADDRESS_IRQ     = 0x00000020,
109         ENVELOPE_IRQ    = 0x00000040, PB_UNDERRUN     = 0x00000100,
110         REC_OVERRUN     = 0x00000200, MIXER_UNDERFLOW = 0x00000400,
111         MIXER_OVERFLOW  = 0x00000800, NX_SB_IRQ_DISABLE = 0x00001000,
112         ST_TARGET_REACHED = 0x00008000,
113         PB_24K_MODE     = 0x00010000, ST_IRQ_EN       = 0x00800000,
114         ACGPIO_IRQ      = 0x01000000
115 };
116
117 /* T2 legacy dma control registers. */
118 #define LEGACY_DMAR0                0x00  // ADR0
119 #define LEGACY_DMAR4                0x04  // CNT0
120 #define LEGACY_DMAR6                0x06  // CNT0 - High bits
121 #define LEGACY_DMAR11               0x0b  // MOD 
122 #define LEGACY_DMAR15               0x0f  // MMR 
123
124 #define T4D_START_A                  0x80
125 #define T4D_STOP_A                   0x84
126 #define T4D_DLY_A                    0x88
127 #define T4D_SIGN_CSO_A               0x8c
128 #define T4D_CSPF_A                   0x90
129 #define T4D_CSPF_B                   0xbc
130 #define T4D_CEBC_A                   0x94
131 #define T4D_AINT_A                   0x98
132 #define T4D_AINTEN_A                 0x9c
133 #define T4D_LFO_GC_CIR               0xa0
134 #define T4D_MUSICVOL_WAVEVOL         0xa8
135 #define T4D_SBDELTA_DELTA_R          0xac
136 #define T4D_MISCINT                  0xb0
137 #define T4D_START_B                  0xb4
138 #define T4D_STOP_B                   0xb8
139 #define T4D_SBBL_SBCL                0xc0
140 #define T4D_SBCTRL_SBE2R_SBDD        0xc4
141 #define T4D_STIMER                   0xc8
142 #define T4D_AINT_B                   0xd8
143 #define T4D_AINTEN_B                 0xdc
144 #define T4D_RCI                      0x70
145
146 /* MPU-401 UART */
147 #define T4D_MPU401_BASE             0x20
148 #define T4D_MPUR0                   0x20
149 #define T4D_MPUR1                   0x21
150 #define T4D_MPUR2                   0x22
151 #define T4D_MPUR3                   0x23
152
153 /* S/PDIF Registers */
154 #define NX_SPCTRL_SPCSO             0x24
155 #define NX_SPLBA                    0x28
156 #define NX_SPESO                    0x2c
157 #define NX_SPCSTATUS                0x64
158
159 /* Joystick */
160 #define GAMEPORT_GCR                0x30
161 #define GAMEPORT_MODE_ADC           0x80
162 #define GAMEPORT_LEGACY             0x31
163 #define GAMEPORT_AXES               0x34
164
165 /* NX Specific Registers */
166 #define NX_TLBC                     0x6c
167
168 /* Channel Registers */
169
170 #define CH_START                    0xe0
171
172 #define CH_DX_CSO_ALPHA_FMS         0xe0
173 #define CH_DX_ESO_DELTA             0xe8
174 #define CH_DX_FMC_RVOL_CVOL         0xec
175
176 #define CH_NX_DELTA_CSO             0xe0
177 #define CH_NX_DELTA_ESO             0xe8
178 #define CH_NX_ALPHA_FMS_FMC_RVOL_CVOL 0xec
179
180 #define CH_LBA                      0xe4
181 #define CH_GVSEL_PAN_VOL_CTRL_EC    0xf0
182 #define CH_EBUF1                    0xf4
183 #define CH_EBUF2                    0xf8
184
185 /* AC-97 Registers */
186
187 #define DX_ACR0_AC97_W              0x40
188 #define DX_ACR1_AC97_R              0x44
189 #define DX_ACR2_AC97_COM_STAT       0x48
190
191 #define NX_ACR0_AC97_COM_STAT       0x40
192 #define NX_ACR1_AC97_W              0x44
193 #define NX_ACR2_AC97_R_PRIMARY      0x48
194 #define NX_ACR3_AC97_R_SECONDARY    0x4c
195
196 #define SI_AC97_WRITE               0x40
197 #define SI_AC97_READ                0x44
198 #define SI_SERIAL_INTF_CTRL         0x48
199 #define SI_AC97_GPIO                0x4c
200 #define SI_ASR0                     0x50
201 #define SI_SPDIF_CS                 0x70
202 #define SI_GPIO                     0x7c
203
204 enum trident_nx_ac97_bits {
205         /* ACR1-3 */
206         NX_AC97_BUSY_WRITE      = 0x0800,
207         NX_AC97_BUSY_READ       = 0x0800,
208         NX_AC97_BUSY_DATA       = 0x0400,
209         NX_AC97_WRITE_SECONDARY = 0x0100,
210         /* ACR0 */
211         NX_AC97_SECONDARY_READY = 0x0040,
212         NX_AC97_SECONDARY_RECORD = 0x0020,
213         NX_AC97_SURROUND_OUTPUT = 0x0010,
214         NX_AC97_PRIMARY_READY   = 0x0008,
215         NX_AC97_PRIMARY_RECORD  = 0x0004,
216         NX_AC97_PCM_OUTPUT      = 0x0002,
217         NX_AC97_WARM_RESET      = 0x0001
218 };
219
220 enum trident_dx_ac97_bits {
221         DX_AC97_BUSY_WRITE      = 0x8000,
222         DX_AC97_BUSY_READ       = 0x8000,
223         DX_AC97_READY           = 0x0010,
224         DX_AC97_RECORD          = 0x0008,
225         DX_AC97_PLAYBACK        = 0x0002
226 };
227
228 enum sis7018_ac97_bits {
229         SI_AC97_BUSY_WRITE =    0x00008000,
230         SI_AC97_AUDIO_BUSY =    0x00004000,
231         SI_AC97_MODEM_BUSY =    0x00002000,
232         SI_AC97_BUSY_READ =     0x00008000,
233         SI_AC97_SECONDARY =     0x00000080,
234 };
235
236 enum serial_intf_ctrl_bits {
237         WARM_RESET      = 0x00000001,
238         COLD_RESET      = 0x00000002,
239         I2S_CLOCK       = 0x00000004,
240         PCM_SEC_AC97    = 0x00000008,
241         AC97_DBL_RATE   = 0x00000010,
242         SPDIF_EN        = 0x00000020,
243         I2S_OUTPUT_EN   = 0x00000040,
244         I2S_INPUT_EN    = 0x00000080,
245         PCMIN           = 0x00000100,
246         LINE1IN         = 0x00000200,
247         MICIN           = 0x00000400,
248         LINE2IN         = 0x00000800,
249         HEAD_SET_IN     = 0x00001000,
250         GPIOIN          = 0x00002000,
251         /* 7018 spec says id = 01 but the demo board routed to 10
252            SECONDARY_ID= 0x00004000, */
253         SECONDARY_ID    = 0x00004000,
254         PCMOUT          = 0x00010000,
255         SURROUT         = 0x00020000,
256         CENTEROUT       = 0x00040000,
257         LFEOUT          = 0x00080000,
258         LINE1OUT        = 0x00100000,
259         LINE2OUT        = 0x00200000,
260         GPIOOUT         = 0x00400000,
261         SI_AC97_PRIMARY_READY = 0x01000000,
262         SI_AC97_SECONDARY_READY = 0x02000000,
263         SI_AC97_POWERDOWN = 0x04000000,
264 };
265                                                                                                                                    
266 /* PCM defaults */
267
268 #define T4D_DEFAULT_PCM_VOL     10      /* 0 - 255 */
269 #define T4D_DEFAULT_PCM_PAN     0       /* 0 - 127 */
270 #define T4D_DEFAULT_PCM_RVOL    127     /* 0 - 127 */
271 #define T4D_DEFAULT_PCM_CVOL    127     /* 0 - 127 */
272
273 typedef struct _snd_trident trident_t;
274 typedef struct _snd_trident_voice snd_trident_voice_t;
275 typedef struct _snd_trident_pcm_mixer snd_trident_pcm_mixer_t;
276
277 typedef struct {
278         void (*sample_start)(trident_t *gus, snd_trident_voice_t *voice, snd_seq_position_t position);
279         void (*sample_stop)(trident_t *gus, snd_trident_voice_t *voice, snd_seq_stop_mode_t mode);
280         void (*sample_freq)(trident_t *gus, snd_trident_voice_t *voice, snd_seq_frequency_t freq);
281         void (*sample_volume)(trident_t *gus, snd_trident_voice_t *voice, snd_seq_ev_volume_t *volume);
282         void (*sample_loop)(trident_t *card, snd_trident_voice_t *voice, snd_seq_ev_loop_t *loop);
283         void (*sample_pos)(trident_t *card, snd_trident_voice_t *voice, snd_seq_position_t position);
284         void (*sample_private1)(trident_t *card, snd_trident_voice_t *voice, unsigned char *data);
285 } snd_trident_sample_ops_t;
286
287 typedef struct {
288         snd_midi_channel_set_t * chset;
289         trident_t * trident;
290         int mode;               /* operation mode */
291         int client;             /* sequencer client number */
292         int port;               /* sequencer port number */
293         unsigned int midi_has_voices: 1;
294 } snd_trident_port_t;
295
296 typedef struct snd_trident_memblk_arg {
297         short first_page, last_page;
298 } snd_trident_memblk_arg_t;
299
300 typedef struct {
301         unsigned int * entries;         /* 16k-aligned TLB table */
302         dma_addr_t entries_dmaaddr;     /* 16k-aligned PCI address to TLB table */
303         unsigned long * shadow_entries; /* shadow entries with virtual addresses */
304         struct snd_dma_buffer buffer;
305         snd_util_memhdr_t * memhdr;     /* page allocation list */
306         struct snd_dma_buffer silent_page;
307 } snd_trident_tlb_t;
308
309 struct _snd_trident_voice {
310         unsigned int number;
311         unsigned int use: 1,
312             pcm: 1,
313             synth:1,
314             midi: 1;
315         unsigned int flags;
316         unsigned char client;
317         unsigned char port;
318         unsigned char index;
319
320         snd_seq_instr_t instr;
321         snd_trident_sample_ops_t *sample_ops;
322
323         /* channel parameters */
324         unsigned int CSO;               /* 24 bits (16 on DX) */
325         unsigned int ESO;               /* 24 bits (16 on DX) */
326         unsigned int LBA;               /* 30 bits */
327         unsigned short EC;              /* 12 bits */
328         unsigned short Alpha;           /* 12 bits */
329         unsigned short Delta;           /* 16 bits */
330         unsigned short Attribute;       /* 16 bits - SiS 7018 */
331         unsigned short Vol;             /* 12 bits (6.6) */
332         unsigned char Pan;              /* 7 bits (1.4.2) */
333         unsigned char GVSel;            /* 1 bit */
334         unsigned char RVol;             /* 7 bits (5.2) */
335         unsigned char CVol;             /* 7 bits (5.2) */
336         unsigned char FMC;              /* 2 bits */
337         unsigned char CTRL;             /* 4 bits */
338         unsigned char FMS;              /* 4 bits */
339         unsigned char LFO;              /* 8 bits */
340
341         unsigned int negCSO;    /* nonzero - use negative CSO */
342
343         snd_util_memblk_t *memblk;      /* memory block if TLB enabled */
344
345         /* PCM data */
346
347         trident_t *trident;
348         snd_pcm_substream_t *substream;
349         snd_trident_voice_t *extra;     /* extra PCM voice (acts as interrupt generator) */
350         unsigned int running: 1,
351             capture: 1,
352             spdif: 1,
353             foldback: 1,
354             isync: 1,
355             isync2: 1,
356             isync3: 1;
357         int foldback_chan;              /* foldback subdevice number */
358         unsigned int stimer;            /* global sample timer (to detect spurious interrupts) */
359         unsigned int spurious_threshold; /* spurious threshold */
360         unsigned int isync_mark;
361         unsigned int isync_max;
362         unsigned int isync_ESO;
363
364         /* --- */
365
366         void *private_data;
367         void (*private_free)(snd_trident_voice_t *voice);
368 };
369
370 struct _snd_4dwave {
371         int seq_client;
372
373         snd_trident_port_t seq_ports[4];
374         snd_simple_ops_t simple_ops;
375         snd_seq_kinstr_list_t *ilist;
376
377         snd_trident_voice_t voices[64]; 
378
379         int ChanSynthCount;             /* number of allocated synth channels */
380         int max_size;                   /* maximum synth memory size in bytes */
381         int current_size;               /* current allocated synth mem in bytes */
382 };
383
384 struct _snd_trident_pcm_mixer {
385         snd_trident_voice_t *voice;     /* active voice */
386         unsigned short vol;             /* front volume */
387         unsigned char pan;              /* pan control */
388         unsigned char rvol;             /* rear volume */
389         unsigned char cvol;             /* center volume */
390         unsigned char pad;
391 };
392
393 struct _snd_trident {
394         int irq;
395
396         unsigned int device;    /* device ID */
397
398         unsigned char  bDMAStart;
399
400         unsigned long port;
401         unsigned long midi_port;
402
403         unsigned int spurious_irq_count;
404         unsigned int spurious_irq_max_delta;
405
406         snd_trident_tlb_t tlb;  /* TLB entries for NX cards */
407
408         unsigned char spdif_ctrl;
409         unsigned char spdif_pcm_ctrl;
410         unsigned int spdif_bits;
411         unsigned int spdif_pcm_bits;
412         snd_kcontrol_t *spdif_pcm_ctl;  /* S/PDIF settings */
413         unsigned int ac97_ctrl;
414         
415         unsigned int ChanMap[2];        /* allocation map for hardware channels */
416         
417         int ChanPCM;                    /* max number of PCM channels */
418         int ChanPCMcnt;                 /* actual number of PCM channels */
419
420         unsigned int ac97_detect: 1;    /* 1 = AC97 in detection phase */
421         unsigned int in_suspend: 1;     /* 1 during suspend/resume */
422
423         struct _snd_4dwave synth;       /* synth specific variables */
424
425         spinlock_t event_lock;
426         spinlock_t voice_alloc;
427
428         struct snd_dma_device dma_dev;
429
430         struct pci_dev *pci;
431         snd_card_t *card;
432         snd_pcm_t *pcm;         /* ADC/DAC PCM */
433         snd_pcm_t *foldback;    /* Foldback PCM */
434         snd_pcm_t *spdif;       /* SPDIF PCM */
435         snd_rawmidi_t *rmidi;
436         snd_seq_device_t *seq_dev;
437
438         ac97_bus_t *ac97_bus;
439         ac97_t *ac97;
440         ac97_t *ac97_sec;
441
442         unsigned int musicvol_wavevol;
443         snd_trident_pcm_mixer_t pcm_mixer[32];
444         snd_kcontrol_t *ctl_vol;        /* front volume */
445         snd_kcontrol_t *ctl_pan;        /* pan */
446         snd_kcontrol_t *ctl_rvol;       /* rear volume */
447         snd_kcontrol_t *ctl_cvol;       /* center volume */
448
449         spinlock_t reg_lock;
450
451         struct gameport *gameport;
452 };
453
454 int snd_trident_create(snd_card_t * card,
455                        struct pci_dev *pci,
456                        int pcm_streams,
457                        int pcm_spdif_device,
458                        int max_wavetable_size,
459                        trident_t ** rtrident);
460 int snd_trident_create_gameport(trident_t *trident);
461
462 int snd_trident_pcm(trident_t * trident, int device, snd_pcm_t **rpcm);
463 int snd_trident_foldback_pcm(trident_t * trident, int device, snd_pcm_t **rpcm);
464 int snd_trident_spdif_pcm(trident_t * trident, int device, snd_pcm_t **rpcm);
465 int snd_trident_attach_synthesizer(trident_t * trident);
466 snd_trident_voice_t *snd_trident_alloc_voice(trident_t * trident, int type, int client, int port);
467 void snd_trident_free_voice(trident_t * trident, snd_trident_voice_t *voice);
468 void snd_trident_start_voice(trident_t * trident, unsigned int voice);
469 void snd_trident_stop_voice(trident_t * trident, unsigned int voice);
470 void snd_trident_write_voice_regs(trident_t * trident, snd_trident_voice_t *voice);
471
472 /* TLB memory allocation */
473 snd_util_memblk_t *snd_trident_alloc_pages(trident_t *trident, snd_pcm_substream_t *substream);
474 int snd_trident_free_pages(trident_t *trident, snd_util_memblk_t *blk);
475 snd_util_memblk_t *snd_trident_synth_alloc(trident_t *trident, unsigned int size);
476 int snd_trident_synth_free(trident_t *trident, snd_util_memblk_t *blk);
477 int snd_trident_synth_copy_from_user(trident_t *trident, snd_util_memblk_t *blk, int offset, const char __user *data, int size);
478
479 #endif /* __SOUND_TRIDENT_H */