xref: /openbmc/linux/sound/pci/trident/trident.h (revision 293d5b43)
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 <sound/pcm.h>
27 #include <sound/mpu401.h>
28 #include <sound/ac97_codec.h>
29 #include <sound/util_mem.h>
30 
31 #define TRIDENT_DEVICE_ID_DX		((PCI_VENDOR_ID_TRIDENT<<16)|PCI_DEVICE_ID_TRIDENT_4DWAVE_DX)
32 #define TRIDENT_DEVICE_ID_NX		((PCI_VENDOR_ID_TRIDENT<<16)|PCI_DEVICE_ID_TRIDENT_4DWAVE_NX)
33 #define TRIDENT_DEVICE_ID_SI7018	((PCI_VENDOR_ID_SI<<16)|PCI_DEVICE_ID_SI_7018)
34 
35 #define SNDRV_TRIDENT_VOICE_TYPE_PCM		0
36 #define SNDRV_TRIDENT_VOICE_TYPE_SYNTH		1
37 #define SNDRV_TRIDENT_VOICE_TYPE_MIDI		2
38 
39 #define SNDRV_TRIDENT_VFLG_RUNNING		(1<<0)
40 
41 /* TLB code constants */
42 #define SNDRV_TRIDENT_PAGE_SIZE			4096
43 #define SNDRV_TRIDENT_PAGE_SHIFT			12
44 #define SNDRV_TRIDENT_PAGE_MASK			((1<<SNDRV_TRIDENT_PAGE_SHIFT)-1)
45 #define SNDRV_TRIDENT_MAX_PAGES			4096
46 
47 /*
48  * Direct registers
49  */
50 
51 #define TRID_REG(trident, x) ((trident)->port + (x))
52 
53 #define ID_4DWAVE_DX        0x2000
54 #define ID_4DWAVE_NX        0x2001
55 
56 /* Bank definitions */
57 
58 #define T4D_BANK_A	0
59 #define T4D_BANK_B	1
60 #define T4D_NUM_BANKS	2
61 
62 /* Register definitions */
63 
64 /* Global registers */
65 
66 enum global_control_bits {
67 	CHANNEL_IDX	= 0x0000003f,
68 	OVERRUN_IE	= 0x00000400,	/* interrupt enable: capture overrun */
69 	UNDERRUN_IE	= 0x00000800,	/* interrupt enable: playback underrun */
70 	ENDLP_IE	= 0x00001000,	/* interrupt enable: end of buffer */
71 	MIDLP_IE	= 0x00002000,	/* interrupt enable: middle buffer */
72 	ETOG_IE		= 0x00004000,	/* interrupt enable: envelope toggling */
73 	EDROP_IE	= 0x00008000,	/* interrupt enable: envelope drop */
74 	BANK_B_EN	= 0x00010000,	/* SiS: enable bank B (64 channels) */
75 	PCMIN_B_MIX	= 0x00020000,	/* SiS: PCM IN B mixing enable */
76 	I2S_OUT_ASSIGN	= 0x00040000,	/* SiS: I2S Out contains surround PCM */
77 	SPDIF_OUT_ASSIGN= 0x00080000,	/* SiS: 0=S/PDIF L/R | 1=PCM Out FIFO */
78 	MAIN_OUT_ASSIGN = 0x00100000,	/* SiS: 0=PCM Out FIFO | 1=MMC Out buffer */
79 };
80 
81 enum miscint_bits {
82 	PB_UNDERRUN_IRQ = 0x00000001, REC_OVERRUN_IRQ = 0x00000002,
83 	SB_IRQ		= 0x00000004, MPU401_IRQ      = 0x00000008,
84 	OPL3_IRQ        = 0x00000010, ADDRESS_IRQ     = 0x00000020,
85 	ENVELOPE_IRQ    = 0x00000040, PB_UNDERRUN     = 0x00000100,
86 	REC_OVERRUN	= 0x00000200, MIXER_UNDERFLOW = 0x00000400,
87 	MIXER_OVERFLOW  = 0x00000800, NX_SB_IRQ_DISABLE = 0x00001000,
88         ST_TARGET_REACHED = 0x00008000,
89 	PB_24K_MODE     = 0x00010000, ST_IRQ_EN       = 0x00800000,
90 	ACGPIO_IRQ	= 0x01000000
91 };
92 
93 /* T2 legacy dma control registers. */
94 #define LEGACY_DMAR0                0x00  // ADR0
95 #define LEGACY_DMAR4                0x04  // CNT0
96 #define LEGACY_DMAR6		    0x06  // CNT0 - High bits
97 #define LEGACY_DMAR11               0x0b  // MOD
98 #define LEGACY_DMAR15               0x0f  // MMR
99 
100 #define T4D_START_A		     0x80
101 #define T4D_STOP_A		     0x84
102 #define T4D_DLY_A		     0x88
103 #define T4D_SIGN_CSO_A		     0x8c
104 #define T4D_CSPF_A		     0x90
105 #define T4D_CSPF_B		     0xbc
106 #define T4D_CEBC_A		     0x94
107 #define T4D_AINT_A		     0x98
108 #define T4D_AINTEN_A		     0x9c
109 #define T4D_LFO_GC_CIR               0xa0
110 #define T4D_MUSICVOL_WAVEVOL         0xa8
111 #define T4D_SBDELTA_DELTA_R          0xac
112 #define T4D_MISCINT                  0xb0
113 #define T4D_START_B                  0xb4
114 #define T4D_STOP_B                   0xb8
115 #define T4D_SBBL_SBCL                0xc0
116 #define T4D_SBCTRL_SBE2R_SBDD        0xc4
117 #define T4D_STIMER		     0xc8
118 #define T4D_AINT_B                   0xd8
119 #define T4D_AINTEN_B                 0xdc
120 #define T4D_RCI                      0x70
121 
122 /* MPU-401 UART */
123 #define T4D_MPU401_BASE             0x20
124 #define T4D_MPUR0                   0x20
125 #define T4D_MPUR1                   0x21
126 #define T4D_MPUR2                   0x22
127 #define T4D_MPUR3                   0x23
128 
129 /* S/PDIF Registers */
130 #define NX_SPCTRL_SPCSO             0x24
131 #define NX_SPLBA                    0x28
132 #define NX_SPESO                    0x2c
133 #define NX_SPCSTATUS                0x64
134 
135 /* Joystick */
136 #define GAMEPORT_GCR                0x30
137 #define GAMEPORT_MODE_ADC           0x80
138 #define GAMEPORT_LEGACY             0x31
139 #define GAMEPORT_AXES               0x34
140 
141 /* NX Specific Registers */
142 #define NX_TLBC                     0x6c
143 
144 /* Channel Registers */
145 
146 #define CH_START		    0xe0
147 
148 #define CH_DX_CSO_ALPHA_FMS         0xe0
149 #define CH_DX_ESO_DELTA             0xe8
150 #define CH_DX_FMC_RVOL_CVOL         0xec
151 
152 #define CH_NX_DELTA_CSO             0xe0
153 #define CH_NX_DELTA_ESO             0xe8
154 #define CH_NX_ALPHA_FMS_FMC_RVOL_CVOL 0xec
155 
156 #define CH_LBA                      0xe4
157 #define CH_GVSEL_PAN_VOL_CTRL_EC    0xf0
158 #define CH_EBUF1                    0xf4
159 #define CH_EBUF2                    0xf8
160 
161 /* AC-97 Registers */
162 
163 #define DX_ACR0_AC97_W              0x40
164 #define DX_ACR1_AC97_R              0x44
165 #define DX_ACR2_AC97_COM_STAT       0x48
166 
167 #define NX_ACR0_AC97_COM_STAT       0x40
168 #define NX_ACR1_AC97_W              0x44
169 #define NX_ACR2_AC97_R_PRIMARY      0x48
170 #define NX_ACR3_AC97_R_SECONDARY    0x4c
171 
172 #define SI_AC97_WRITE		    0x40
173 #define SI_AC97_READ		    0x44
174 #define SI_SERIAL_INTF_CTRL	    0x48
175 #define SI_AC97_GPIO		    0x4c
176 #define SI_ASR0			    0x50
177 #define SI_SPDIF_CS		    0x70
178 #define SI_GPIO			    0x7c
179 
180 enum trident_nx_ac97_bits {
181 	/* ACR1-3 */
182 	NX_AC97_BUSY_WRITE 	= 0x0800,
183 	NX_AC97_BUSY_READ	= 0x0800,
184 	NX_AC97_BUSY_DATA 	= 0x0400,
185 	NX_AC97_WRITE_SECONDARY = 0x0100,
186 	/* ACR0 */
187 	NX_AC97_SECONDARY_READY = 0x0040,
188 	NX_AC97_SECONDARY_RECORD = 0x0020,
189 	NX_AC97_SURROUND_OUTPUT = 0x0010,
190 	NX_AC97_PRIMARY_READY	= 0x0008,
191 	NX_AC97_PRIMARY_RECORD	= 0x0004,
192 	NX_AC97_PCM_OUTPUT	= 0x0002,
193 	NX_AC97_WARM_RESET	= 0x0001
194 };
195 
196 enum trident_dx_ac97_bits {
197 	DX_AC97_BUSY_WRITE	= 0x8000,
198 	DX_AC97_BUSY_READ	= 0x8000,
199 	DX_AC97_READY		= 0x0010,
200 	DX_AC97_RECORD		= 0x0008,
201 	DX_AC97_PLAYBACK	= 0x0002
202 };
203 
204 enum sis7018_ac97_bits {
205 	SI_AC97_BUSY_WRITE =	0x00008000,
206 	SI_AC97_AUDIO_BUSY =	0x00004000,
207 	SI_AC97_MODEM_BUSY =	0x00002000,
208 	SI_AC97_BUSY_READ =	0x00008000,
209 	SI_AC97_SECONDARY =	0x00000080,
210 };
211 
212 enum serial_intf_ctrl_bits {
213 	WARM_RESET	= 0x00000001,
214 	COLD_RESET	= 0x00000002,
215 	I2S_CLOCK	= 0x00000004,
216 	PCM_SEC_AC97	= 0x00000008,
217 	AC97_DBL_RATE	= 0x00000010,
218 	SPDIF_EN	= 0x00000020,
219 	I2S_OUTPUT_EN	= 0x00000040,
220 	I2S_INPUT_EN	= 0x00000080,
221 	PCMIN		= 0x00000100,
222 	LINE1IN		= 0x00000200,
223 	MICIN		= 0x00000400,
224 	LINE2IN		= 0x00000800,
225 	HEAD_SET_IN	= 0x00001000,
226 	GPIOIN		= 0x00002000,
227 	/* 7018 spec says id = 01 but the demo board routed to 10
228 	   SECONDARY_ID= 0x00004000, */
229 	SECONDARY_ID	= 0x00004000,
230 	PCMOUT		= 0x00010000,
231 	SURROUT		= 0x00020000,
232 	CENTEROUT	= 0x00040000,
233 	LFEOUT		= 0x00080000,
234 	LINE1OUT	= 0x00100000,
235 	LINE2OUT	= 0x00200000,
236 	GPIOOUT		= 0x00400000,
237 	SI_AC97_PRIMARY_READY = 0x01000000,
238 	SI_AC97_SECONDARY_READY = 0x02000000,
239 	SI_AC97_POWERDOWN = 0x04000000,
240 };
241 
242 /* PCM defaults */
243 
244 #define T4D_DEFAULT_PCM_VOL	10	/* 0 - 255 */
245 #define T4D_DEFAULT_PCM_PAN	0	/* 0 - 127 */
246 #define T4D_DEFAULT_PCM_RVOL	127	/* 0 - 127 */
247 #define T4D_DEFAULT_PCM_CVOL	127	/* 0 - 127 */
248 
249 struct snd_trident;
250 struct snd_trident_voice;
251 struct snd_trident_pcm_mixer;
252 
253 struct snd_trident_port {
254 	struct snd_midi_channel_set * chset;
255 	struct snd_trident * trident;
256 	int mode;		/* operation mode */
257 	int client;		/* sequencer client number */
258 	int port;		/* sequencer port number */
259 	unsigned int midi_has_voices: 1;
260 };
261 
262 struct snd_trident_memblk_arg {
263 	short first_page, last_page;
264 };
265 
266 struct snd_trident_tlb {
267 	unsigned int * entries;		/* 16k-aligned TLB table */
268 	dma_addr_t entries_dmaaddr;	/* 16k-aligned PCI address to TLB table */
269 	unsigned long * shadow_entries;	/* shadow entries with virtual addresses */
270 	struct snd_dma_buffer buffer;
271 	struct snd_util_memhdr * memhdr;	/* page allocation list */
272 	struct snd_dma_buffer silent_page;
273 };
274 
275 struct snd_trident_voice {
276 	unsigned int number;
277 	unsigned int use: 1,
278 	    pcm: 1,
279 	    synth:1,
280 	    midi: 1;
281 	unsigned int flags;
282 	unsigned char client;
283 	unsigned char port;
284 	unsigned char index;
285 
286 	struct snd_trident_sample_ops *sample_ops;
287 
288 	/* channel parameters */
289 	unsigned int CSO;		/* 24 bits (16 on DX) */
290 	unsigned int ESO;		/* 24 bits (16 on DX) */
291 	unsigned int LBA;		/* 30 bits */
292 	unsigned short EC;		/* 12 bits */
293 	unsigned short Alpha;		/* 12 bits */
294 	unsigned short Delta;		/* 16 bits */
295 	unsigned short Attribute;	/* 16 bits - SiS 7018 */
296 	unsigned short Vol;		/* 12 bits (6.6) */
297 	unsigned char Pan;		/* 7 bits (1.4.2) */
298 	unsigned char GVSel;		/* 1 bit */
299 	unsigned char RVol;		/* 7 bits (5.2) */
300 	unsigned char CVol;		/* 7 bits (5.2) */
301 	unsigned char FMC;		/* 2 bits */
302 	unsigned char CTRL;		/* 4 bits */
303 	unsigned char FMS;		/* 4 bits */
304 	unsigned char LFO;		/* 8 bits */
305 
306 	unsigned int negCSO;	/* nonzero - use negative CSO */
307 
308 	struct snd_util_memblk *memblk;	/* memory block if TLB enabled */
309 
310 	/* PCM data */
311 
312 	struct snd_trident *trident;
313 	struct snd_pcm_substream *substream;
314 	struct snd_trident_voice *extra;	/* extra PCM voice (acts as interrupt generator) */
315 	unsigned int running: 1,
316             capture: 1,
317             spdif: 1,
318             foldback: 1,
319             isync: 1,
320             isync2: 1,
321             isync3: 1;
322 	int foldback_chan;		/* foldback subdevice number */
323 	unsigned int stimer;		/* global sample timer (to detect spurious interrupts) */
324 	unsigned int spurious_threshold; /* spurious threshold */
325 	unsigned int isync_mark;
326 	unsigned int isync_max;
327 	unsigned int isync_ESO;
328 
329 	/* --- */
330 
331 	void *private_data;
332 	void (*private_free)(struct snd_trident_voice *voice);
333 };
334 
335 struct snd_4dwave {
336 	int seq_client;
337 
338 	struct snd_trident_port seq_ports[4];
339 	struct snd_trident_voice voices[64];
340 
341 	int ChanSynthCount;		/* number of allocated synth channels */
342 	int max_size;			/* maximum synth memory size in bytes */
343 	int current_size;		/* current allocated synth mem in bytes */
344 };
345 
346 struct snd_trident_pcm_mixer {
347 	struct snd_trident_voice *voice;	/* active voice */
348 	unsigned short vol;		/* front volume */
349 	unsigned char pan;		/* pan control */
350 	unsigned char rvol;		/* rear volume */
351 	unsigned char cvol;		/* center volume */
352 	unsigned char pad;
353 };
354 
355 struct snd_trident {
356 	int irq;
357 
358 	unsigned int device;	/* device ID */
359 
360         unsigned char  bDMAStart;
361 
362 	unsigned long port;
363 	unsigned long midi_port;
364 
365 	unsigned int spurious_irq_count;
366 	unsigned int spurious_irq_max_delta;
367 
368         struct snd_trident_tlb tlb;	/* TLB entries for NX cards */
369 
370 	unsigned char spdif_ctrl;
371 	unsigned char spdif_pcm_ctrl;
372 	unsigned int spdif_bits;
373 	unsigned int spdif_pcm_bits;
374 	struct snd_kcontrol *spdif_pcm_ctl;	/* S/PDIF settings */
375 	unsigned int ac97_ctrl;
376 
377         unsigned int ChanMap[2];	/* allocation map for hardware channels */
378 
379         int ChanPCM;			/* max number of PCM channels */
380 	int ChanPCMcnt;			/* actual number of PCM channels */
381 
382 	unsigned int ac97_detect: 1;	/* 1 = AC97 in detection phase */
383 	unsigned int in_suspend: 1;	/* 1 during suspend/resume */
384 
385 	struct snd_4dwave synth;	/* synth specific variables */
386 
387 	spinlock_t event_lock;
388 	spinlock_t voice_alloc;
389 
390 	struct snd_dma_device dma_dev;
391 
392 	struct pci_dev *pci;
393 	struct snd_card *card;
394 	struct snd_pcm *pcm;		/* ADC/DAC PCM */
395 	struct snd_pcm *foldback;	/* Foldback PCM */
396 	struct snd_pcm *spdif;	/* SPDIF PCM */
397 	struct snd_rawmidi *rmidi;
398 
399 	struct snd_ac97_bus *ac97_bus;
400 	struct snd_ac97 *ac97;
401 	struct snd_ac97 *ac97_sec;
402 
403 	unsigned int musicvol_wavevol;
404 	struct snd_trident_pcm_mixer pcm_mixer[32];
405 	struct snd_kcontrol *ctl_vol;	/* front volume */
406 	struct snd_kcontrol *ctl_pan;	/* pan */
407 	struct snd_kcontrol *ctl_rvol;	/* rear volume */
408 	struct snd_kcontrol *ctl_cvol;	/* center volume */
409 
410 	spinlock_t reg_lock;
411 
412 	struct gameport *gameport;
413 };
414 
415 int snd_trident_create(struct snd_card *card,
416 		       struct pci_dev *pci,
417 		       int pcm_streams,
418 		       int pcm_spdif_device,
419 		       int max_wavetable_size,
420 		       struct snd_trident ** rtrident);
421 int snd_trident_create_gameport(struct snd_trident *trident);
422 
423 int snd_trident_pcm(struct snd_trident *trident, int device);
424 int snd_trident_foldback_pcm(struct snd_trident *trident, int device);
425 int snd_trident_spdif_pcm(struct snd_trident *trident, int device);
426 int snd_trident_attach_synthesizer(struct snd_trident * trident);
427 struct snd_trident_voice *snd_trident_alloc_voice(struct snd_trident * trident, int type,
428 					     int client, int port);
429 void snd_trident_free_voice(struct snd_trident * trident, struct snd_trident_voice *voice);
430 void snd_trident_start_voice(struct snd_trident * trident, unsigned int voice);
431 void snd_trident_stop_voice(struct snd_trident * trident, unsigned int voice);
432 void snd_trident_write_voice_regs(struct snd_trident * trident, struct snd_trident_voice *voice);
433 extern const struct dev_pm_ops snd_trident_pm;
434 
435 /* TLB memory allocation */
436 struct snd_util_memblk *snd_trident_alloc_pages(struct snd_trident *trident,
437 						struct snd_pcm_substream *substream);
438 int snd_trident_free_pages(struct snd_trident *trident, struct snd_util_memblk *blk);
439 struct snd_util_memblk *snd_trident_synth_alloc(struct snd_trident *trident, unsigned int size);
440 int snd_trident_synth_free(struct snd_trident *trident, struct snd_util_memblk *blk);
441 int snd_trident_synth_copy_from_user(struct snd_trident *trident, struct snd_util_memblk *blk,
442 				     int offset, const char __user *data, int size);
443 
444 #endif /* __SOUND_TRIDENT_H */
445