xref: /openbmc/linux/include/sound/vx_core.h (revision 22246614)
1 /*
2  * Driver for Digigram VX soundcards
3  *
4  * Hardware core part
5  *
6  * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
7  *
8  *   This program is free software; you can redistribute it and/or modify
9  *   it under the terms of the GNU General Public License as published by
10  *   the Free Software Foundation; either version 2 of the License, or
11  *   (at your option) any later version.
12  *
13  *   This program is distributed in the hope that it will be useful,
14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *   GNU General Public License for more details.
17  *
18  *   You should have received a copy of the GNU General Public License
19  *   along with this program; if not, write to the Free Software
20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21  */
22 
23 #ifndef __SOUND_VX_COMMON_H
24 #define __SOUND_VX_COMMON_H
25 
26 #include <sound/pcm.h>
27 #include <sound/hwdep.h>
28 #include <linux/interrupt.h>
29 
30 #if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE)
31 #if !defined(CONFIG_USE_VXLOADER) && !defined(CONFIG_SND_VX_LIB) /* built-in kernel */
32 #define SND_VX_FW_LOADER	/* use the standard firmware loader */
33 #endif
34 #endif
35 
36 struct firmware;
37 struct device;
38 
39 #define VX_DRIVER_VERSION	0x010000	/* 1.0.0 */
40 
41 /*
42  */
43 #define SIZE_MAX_CMD    0x10
44 #define SIZE_MAX_STATUS 0x10
45 
46 struct vx_rmh {
47 	u16	LgCmd;		/* length of the command to send (WORDs) */
48 	u16	LgStat;		/* length of the status received (WORDs) */
49 	u32	Cmd[SIZE_MAX_CMD];
50 	u32	Stat[SIZE_MAX_STATUS];
51 	u16	DspStat;	/* status type, RMP_SSIZE_XXX */
52 };
53 
54 typedef u64 pcx_time_t;
55 
56 #define VX_MAX_PIPES	16
57 #define VX_MAX_PERIODS	32
58 #define VX_MAX_CODECS	2
59 
60 struct vx_ibl_info {
61 	int size;	/* the current IBL size (0 = query) in bytes */
62 	int max_size;	/* max. IBL size in bytes */
63 	int min_size;	/* min. IBL size in bytes */
64 	int granularity;	/* granularity */
65 };
66 
67 struct vx_pipe {
68 	int number;
69 	unsigned int is_capture: 1;
70 	unsigned int data_mode: 1;
71 	unsigned int running: 1;
72 	unsigned int prepared: 1;
73 	int channels;
74 	unsigned int differed_type;
75 	pcx_time_t pcx_time;
76 	struct snd_pcm_substream *substream;
77 
78 	int hbuf_size;		/* H-buffer size in bytes */
79 	int buffer_bytes;	/* the ALSA pcm buffer size in bytes */
80 	int period_bytes;	/* the ALSA pcm period size in bytes */
81 	int hw_ptr;		/* the current hardware pointer in bytes */
82 	int position;		/* the current position in frames (playback only) */
83 	int transferred;	/* the transferred size (per period) in frames */
84 	int align;		/* size of alignment */
85 	u64 cur_count;		/* current sample position (for playback) */
86 
87 	unsigned int references;     /* an output pipe may be used for monitoring and/or playback */
88 	struct vx_pipe *monitoring_pipe;  /* pointer to the monitoring pipe (capture pipe only)*/
89 
90 	struct tasklet_struct start_tq;
91 };
92 
93 struct vx_core;
94 
95 struct snd_vx_ops {
96 	/* low-level i/o */
97 	unsigned char (*in8)(struct vx_core *chip, int reg);
98 	unsigned int (*in32)(struct vx_core *chip, int reg);
99 	void (*out8)(struct vx_core *chip, int reg, unsigned char val);
100 	void (*out32)(struct vx_core *chip, int reg, unsigned int val);
101 	/* irq */
102 	int (*test_and_ack)(struct vx_core *chip);
103 	void (*validate_irq)(struct vx_core *chip, int enable);
104 	/* codec */
105 	void (*write_codec)(struct vx_core *chip, int codec, unsigned int data);
106 	void (*akm_write)(struct vx_core *chip, int reg, unsigned int data);
107 	void (*reset_codec)(struct vx_core *chip);
108 	void (*change_audio_source)(struct vx_core *chip, int src);
109 	void (*set_clock_source)(struct vx_core *chp, int src);
110 	/* chip init */
111 	int (*load_dsp)(struct vx_core *chip, int idx, const struct firmware *fw);
112 	void (*reset_dsp)(struct vx_core *chip);
113 	void (*reset_board)(struct vx_core *chip, int cold_reset);
114 	int (*add_controls)(struct vx_core *chip);
115 	/* pcm */
116 	void (*dma_write)(struct vx_core *chip, struct snd_pcm_runtime *runtime,
117 			  struct vx_pipe *pipe, int count);
118 	void (*dma_read)(struct vx_core *chip, struct snd_pcm_runtime *runtime,
119 			  struct vx_pipe *pipe, int count);
120 };
121 
122 struct snd_vx_hardware {
123 	const char *name;
124 	int type;	/* VX_TYPE_XXX */
125 
126 	/* hardware specs */
127 	unsigned int num_codecs;
128 	unsigned int num_ins;
129 	unsigned int num_outs;
130 	unsigned int output_level_max;
131 	const unsigned int *output_level_db_scale;
132 };
133 
134 /* hwdep id string */
135 #define SND_VX_HWDEP_ID		"VX Loader"
136 
137 /* hardware type */
138 enum {
139 	/* VX222 PCI */
140 	VX_TYPE_BOARD,		/* old VX222 PCI */
141 	VX_TYPE_V2,		/* VX222 V2 PCI */
142 	VX_TYPE_MIC,		/* VX222 Mic PCI */
143 	/* VX-pocket */
144 	VX_TYPE_VXPOCKET,	/* VXpocket V2 */
145 	VX_TYPE_VXP440,		/* VXpocket 440 */
146 	VX_TYPE_NUMS
147 };
148 
149 /* chip status */
150 enum {
151 	VX_STAT_XILINX_LOADED	= (1 << 0),	/* devices are registered */
152 	VX_STAT_DEVICE_INIT	= (1 << 1),	/* devices are registered */
153 	VX_STAT_CHIP_INIT	= (1 << 2),	/* all operational */
154 	VX_STAT_IN_SUSPEND	= (1 << 10),	/* in suspend phase */
155 	VX_STAT_IS_STALE	= (1 << 15)	/* device is stale */
156 };
157 
158 /* min/max values for analog output for old codecs */
159 #define VX_ANALOG_OUT_LEVEL_MAX		0xe3
160 
161 struct vx_core {
162 	/* ALSA stuff */
163 	struct snd_card *card;
164 	struct snd_pcm *pcm[VX_MAX_CODECS];
165 	int type;	/* VX_TYPE_XXX */
166 
167 	int irq;
168 	/* ports are defined externally */
169 
170 	/* low-level functions */
171 	struct snd_vx_hardware *hw;
172 	struct snd_vx_ops *ops;
173 
174 	spinlock_t lock;
175 	spinlock_t irq_lock;
176 	struct tasklet_struct tq;
177 
178 	unsigned int chip_status;
179 	unsigned int pcm_running;
180 
181 	struct device *dev;
182 	struct snd_hwdep *hwdep;
183 
184 	struct vx_rmh irq_rmh;	/* RMH used in interrupts */
185 
186 	unsigned int audio_info; /* see VX_AUDIO_INFO */
187 	unsigned int audio_ins;
188 	unsigned int audio_outs;
189 	struct vx_pipe **playback_pipes;
190 	struct vx_pipe **capture_pipes;
191 
192 	/* clock and audio sources */
193 	unsigned int audio_source;	/* current audio input source */
194 	unsigned int audio_source_target;
195 	unsigned int clock_mode;	/* clock mode (VX_CLOCK_MODE_XXX) */
196 	unsigned int clock_source;	/* current clock source (INTERNAL_QUARTZ or UER_SYNC) */
197 	unsigned int freq;		/* current frequency */
198 	unsigned int freq_detected;	/* detected frequency from digital in */
199 	unsigned int uer_detected;	/* VX_UER_MODE_XXX */
200 	unsigned int uer_bits;	/* IEC958 status bits */
201 	struct vx_ibl_info ibl;	/* IBL information */
202 
203 	/* mixer setting */
204 	int output_level[VX_MAX_CODECS][2];	/* analog output level */
205 	int audio_gain[2][4];			/* digital audio level (playback/capture) */
206 	unsigned char audio_active[4];		/* mute/unmute on digital playback */
207 	int audio_monitor[4];			/* playback hw-monitor level */
208 	unsigned char audio_monitor_active[4];	/* playback hw-monitor mute/unmute */
209 
210 	struct mutex mixer_mutex;
211 
212 	const struct firmware *firmware[4]; /* loaded firmware data */
213 };
214 
215 
216 /*
217  * constructor
218  */
219 struct vx_core *snd_vx_create(struct snd_card *card, struct snd_vx_hardware *hw,
220 			      struct snd_vx_ops *ops, int extra_size);
221 int snd_vx_setup_firmware(struct vx_core *chip);
222 int snd_vx_load_boot_image(struct vx_core *chip, const struct firmware *dsp);
223 int snd_vx_dsp_boot(struct vx_core *chip, const struct firmware *dsp);
224 int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp);
225 
226 void snd_vx_free_firmware(struct vx_core *chip);
227 
228 /*
229  * interrupt handler; exported for pcmcia
230  */
231 irqreturn_t snd_vx_irq_handler(int irq, void *dev);
232 
233 /*
234  * lowlevel functions
235  */
236 static inline int vx_test_and_ack(struct vx_core *chip)
237 {
238 	snd_assert(chip->ops->test_and_ack, return -ENXIO);
239 	return chip->ops->test_and_ack(chip);
240 }
241 
242 static inline void vx_validate_irq(struct vx_core *chip, int enable)
243 {
244 	snd_assert(chip->ops->validate_irq, return);
245 	chip->ops->validate_irq(chip, enable);
246 }
247 
248 static inline unsigned char snd_vx_inb(struct vx_core *chip, int reg)
249 {
250 	snd_assert(chip->ops->in8, return 0);
251 	return chip->ops->in8(chip, reg);
252 }
253 
254 static inline unsigned int snd_vx_inl(struct vx_core *chip, int reg)
255 {
256 	snd_assert(chip->ops->in32, return 0);
257 	return chip->ops->in32(chip, reg);
258 }
259 
260 static inline void snd_vx_outb(struct vx_core *chip, int reg, unsigned char val)
261 {
262 	snd_assert(chip->ops->out8, return);
263 	chip->ops->out8(chip, reg, val);
264 }
265 
266 static inline void snd_vx_outl(struct vx_core *chip, int reg, unsigned int val)
267 {
268 	snd_assert(chip->ops->out32, return);
269 	chip->ops->out32(chip, reg, val);
270 }
271 
272 #define vx_inb(chip,reg)	snd_vx_inb(chip, VX_##reg)
273 #define vx_outb(chip,reg,val)	snd_vx_outb(chip, VX_##reg,val)
274 #define vx_inl(chip,reg)	snd_vx_inl(chip, VX_##reg)
275 #define vx_outl(chip,reg,val)	snd_vx_outl(chip, VX_##reg,val)
276 
277 static inline void vx_reset_dsp(struct vx_core *chip)
278 {
279 	snd_assert(chip->ops->reset_dsp, return);
280 	chip->ops->reset_dsp(chip);
281 }
282 
283 int vx_send_msg(struct vx_core *chip, struct vx_rmh *rmh);
284 int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh);
285 int vx_send_rih(struct vx_core *chip, int cmd);
286 int vx_send_rih_nolock(struct vx_core *chip, int cmd);
287 
288 void vx_reset_codec(struct vx_core *chip, int cold_reset);
289 
290 /*
291  * check the bit on the specified register
292  * returns zero if a bit matches, or a negative error code.
293  * exported for vxpocket driver
294  */
295 int snd_vx_check_reg_bit(struct vx_core *chip, int reg, int mask, int bit, int time);
296 #define vx_check_isr(chip,mask,bit,time) snd_vx_check_reg_bit(chip, VX_ISR, mask, bit, time)
297 #define vx_wait_isr_bit(chip,bit) vx_check_isr(chip, bit, bit, 200)
298 #define vx_wait_for_rx_full(chip) vx_wait_isr_bit(chip, ISR_RX_FULL)
299 
300 
301 /*
302  * pseudo-DMA transfer
303  */
304 static inline void vx_pseudo_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime,
305 				       struct vx_pipe *pipe, int count)
306 {
307 	snd_assert(chip->ops->dma_write, return);
308 	chip->ops->dma_write(chip, runtime, pipe, count);
309 }
310 
311 static inline void vx_pseudo_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime,
312 				      struct vx_pipe *pipe, int count)
313 {
314 	snd_assert(chip->ops->dma_read, return);
315 	chip->ops->dma_read(chip, runtime, pipe, count);
316 }
317 
318 
319 
320 /* error with hardware code,
321  * the return value is -(VX_ERR_MASK | actual-hw-error-code)
322  */
323 #define VX_ERR_MASK	0x1000000
324 #define vx_get_error(err)	(-(err) & ~VX_ERR_MASK)
325 
326 
327 /*
328  * pcm stuff
329  */
330 int snd_vx_pcm_new(struct vx_core *chip);
331 void vx_pcm_update_intr(struct vx_core *chip, unsigned int events);
332 
333 /*
334  * mixer stuff
335  */
336 int snd_vx_mixer_new(struct vx_core *chip);
337 void vx_toggle_dac_mute(struct vx_core *chip, int mute);
338 int vx_sync_audio_source(struct vx_core *chip);
339 int vx_set_monitor_level(struct vx_core *chip, int audio, int level, int active);
340 
341 /*
342  * IEC958 & clock stuff
343  */
344 void vx_set_iec958_status(struct vx_core *chip, unsigned int bits);
345 int vx_set_clock(struct vx_core *chip, unsigned int freq);
346 void vx_set_internal_clock(struct vx_core *chip, unsigned int freq);
347 int vx_change_frequency(struct vx_core *chip);
348 
349 
350 /*
351  * PM
352  */
353 int snd_vx_suspend(struct vx_core *card, pm_message_t state);
354 int snd_vx_resume(struct vx_core *card);
355 
356 /*
357  * hardware constants
358  */
359 
360 #define vx_has_new_dsp(chip)	((chip)->type != VX_TYPE_BOARD)
361 #define vx_is_pcmcia(chip)	((chip)->type >= VX_TYPE_VXPOCKET)
362 
363 /* audio input source */
364 enum {
365 	VX_AUDIO_SRC_DIGITAL,
366 	VX_AUDIO_SRC_LINE,
367 	VX_AUDIO_SRC_MIC
368 };
369 
370 /* clock source */
371 enum {
372 	INTERNAL_QUARTZ,
373 	UER_SYNC
374 };
375 
376 /* clock mode */
377 enum {
378 	VX_CLOCK_MODE_AUTO,	/* depending on the current audio source */
379 	VX_CLOCK_MODE_INTERNAL,	/* fixed to internal quartz */
380 	VX_CLOCK_MODE_EXTERNAL	/* fixed to UER sync */
381 };
382 
383 /* SPDIF/UER type */
384 enum {
385 	VX_UER_MODE_CONSUMER,
386 	VX_UER_MODE_PROFESSIONAL,
387 	VX_UER_MODE_NOT_PRESENT,
388 };
389 
390 /* register indices */
391 enum {
392 	VX_ICR,
393 	VX_CVR,
394 	VX_ISR,
395 	VX_IVR,
396 	VX_RXH,
397 	VX_TXH = VX_RXH,
398 	VX_RXM,
399 	VX_TXM = VX_RXM,
400 	VX_RXL,
401 	VX_TXL = VX_RXL,
402 	VX_DMA,
403 	VX_CDSP,
404 	VX_RFREQ,
405 	VX_RUER_V2,
406 	VX_GAIN,
407 	VX_DATA = VX_GAIN,
408 	VX_MEMIRQ,
409 	VX_ACQ,
410 	VX_BIT0,
411 	VX_BIT1,
412 	VX_MIC0,
413 	VX_MIC1,
414 	VX_MIC2,
415 	VX_MIC3,
416 	VX_PLX0,
417 	VX_PLX1,
418 	VX_PLX2,
419 
420 	VX_LOFREQ,  // V2: ACQ, VP: RFREQ
421 	VX_HIFREQ,  // V2: BIT0, VP: RUER_V2
422 	VX_CSUER,   // V2: BIT1, VP: BIT0
423 	VX_RUER,    // V2: RUER_V2, VP: BIT1
424 
425 	VX_REG_MAX,
426 
427 	/* aliases for VX board */
428 	VX_RESET_DMA = VX_ISR,
429 	VX_CFG = VX_RFREQ,
430 	VX_STATUS = VX_MEMIRQ,
431 	VX_SELMIC = VX_MIC0,
432 	VX_COMPOT = VX_MIC1,
433 	VX_SCOMPR = VX_MIC2,
434 	VX_GLIMIT = VX_MIC3,
435 	VX_INTCSR = VX_PLX0,
436 	VX_CNTRL = VX_PLX1,
437 	VX_GPIOC = VX_PLX2,
438 
439 	/* aliases for VXPOCKET board */
440 	VX_MICRO = VX_MEMIRQ,
441 	VX_CODEC2 = VX_MEMIRQ,
442 	VX_DIALOG = VX_ACQ,
443 
444 };
445 
446 /* RMH status type */
447 enum {
448 	RMH_SSIZE_FIXED = 0,	/* status size given by the driver (in LgStat) */
449 	RMH_SSIZE_ARG = 1,	/* status size given in the LSB byte */
450 	RMH_SSIZE_MASK = 2,	/* status size given in bitmask */
451 };
452 
453 
454 /* bits for ICR register */
455 #define ICR_HF1		0x10
456 #define ICR_HF0		0x08
457 #define ICR_TREQ	0x02	/* Interrupt mode + HREQ set on for transfer (->DSP) request */
458 #define ICR_RREQ	0x01	/* Interrupt mode + RREQ set on for transfer (->PC) request */
459 
460 /* bits for CVR register */
461 #define CVR_HC		0x80
462 
463 /* bits for ISR register */
464 #define ISR_HF3		0x10
465 #define ISR_HF2		0x08
466 #define ISR_CHK		0x10
467 #define ISR_ERR		0x08
468 #define ISR_TX_READY	0x04
469 #define ISR_TX_EMPTY	0x02
470 #define ISR_RX_FULL	0x01
471 
472 /* Constants used to access the DATA register */
473 #define VX_DATA_CODEC_MASK	0x80
474 #define VX_DATA_XICOR_MASK	0x80
475 
476 /* Constants used to access the CSUER register (both for VX2 and VXP) */
477 #define VX_SUER_FREQ_MASK		0x0c
478 #define VX_SUER_FREQ_32KHz_MASK		0x0c
479 #define VX_SUER_FREQ_44KHz_MASK		0x00
480 #define VX_SUER_FREQ_48KHz_MASK		0x04
481 #define VX_SUER_DATA_PRESENT_MASK	0x02
482 #define VX_SUER_CLOCK_PRESENT_MASK	0x01
483 
484 #define VX_CUER_HH_BITC_SEL_MASK	0x08
485 #define VX_CUER_MH_BITC_SEL_MASK	0x04
486 #define VX_CUER_ML_BITC_SEL_MASK	0x02
487 #define VX_CUER_LL_BITC_SEL_MASK	0x01
488 
489 #define XX_UER_CBITS_OFFSET_MASK	0x1f
490 
491 
492 /* bits for audio_info */
493 #define VX_AUDIO_INFO_REAL_TIME	(1<<0)	/* real-time processing available */
494 #define VX_AUDIO_INFO_OFFLINE	(1<<1)	/* offline processing available */
495 #define VX_AUDIO_INFO_MPEG1	(1<<5)
496 #define VX_AUDIO_INFO_MPEG2	(1<<6)
497 #define VX_AUDIO_INFO_LINEAR_8	(1<<7)
498 #define VX_AUDIO_INFO_LINEAR_16	(1<<8)
499 #define VX_AUDIO_INFO_LINEAR_24	(1<<9)
500 
501 /* DSP Interrupt Request values */
502 #define VXP_IRQ_OFFSET		0x40 /* add 0x40 offset for vxpocket and vx222/v2 */
503 /* call with vx_send_irq_dsp() */
504 #define IRQ_MESS_WRITE_END          0x30
505 #define IRQ_MESS_WRITE_NEXT         0x32
506 #define IRQ_MESS_READ_NEXT          0x34
507 #define IRQ_MESS_READ_END           0x36
508 #define IRQ_MESSAGE                 0x38
509 #define IRQ_RESET_CHK               0x3A
510 #define IRQ_CONNECT_STREAM_NEXT     0x26
511 #define IRQ_CONNECT_STREAM_END      0x28
512 #define IRQ_PAUSE_START_CONNECT     0x2A
513 #define IRQ_END_CONNECTION          0x2C
514 
515 /* Is there async. events pending ( IT Source Test ) */
516 #define ASYNC_EVENTS_PENDING            0x008000
517 #define HBUFFER_EVENTS_PENDING          0x004000   // Not always accurate
518 #define NOTIF_EVENTS_PENDING            0x002000
519 #define TIME_CODE_EVENT_PENDING         0x001000
520 #define FREQUENCY_CHANGE_EVENT_PENDING  0x000800
521 #define END_OF_BUFFER_EVENTS_PENDING    0x000400
522 #define FATAL_DSP_ERROR                 0xff0000
523 
524 /* Stream Format Header Defines */
525 #define HEADER_FMT_BASE			0xFED00000
526 #define HEADER_FMT_MONO			0x000000C0
527 #define HEADER_FMT_INTEL		0x00008000
528 #define HEADER_FMT_16BITS		0x00002000
529 #define HEADER_FMT_24BITS		0x00004000
530 #define HEADER_FMT_UPTO11		0x00000200	/* frequency is less or equ. to 11k.*/
531 #define HEADER_FMT_UPTO32		0x00000100	/* frequency is over 11k and less then 32k.*/
532 
533 /* Constants used to access the Codec */
534 #define XX_CODEC_SELECTOR               0x20
535 /* codec commands */
536 #define XX_CODEC_ADC_CONTROL_REGISTER   0x01
537 #define XX_CODEC_DAC_CONTROL_REGISTER   0x02
538 #define XX_CODEC_LEVEL_LEFT_REGISTER    0x03
539 #define XX_CODEC_LEVEL_RIGHT_REGISTER   0x04
540 #define XX_CODEC_PORT_MODE_REGISTER     0x05
541 #define XX_CODEC_STATUS_REPORT_REGISTER 0x06
542 #define XX_CODEC_CLOCK_CONTROL_REGISTER 0x07
543 
544 /*
545  * Audio-level control values
546  */
547 #define CVAL_M110DB		0x000	/* -110dB */
548 #define CVAL_M99DB		0x02C
549 #define CVAL_M21DB		0x163
550 #define CVAL_M18DB		0x16F
551 #define CVAL_M10DB		0x18F
552 #define CVAL_0DB		0x1B7
553 #define CVAL_18DB		0x1FF	/* +18dB */
554 #define CVAL_MAX		0x1FF
555 
556 #define AUDIO_IO_HAS_MUTE_LEVEL			0x400000
557 #define AUDIO_IO_HAS_MUTE_MONITORING_1		0x200000
558 #define AUDIO_IO_HAS_MUTE_MONITORING_2		0x100000
559 #define VALID_AUDIO_IO_DIGITAL_LEVEL		0x01
560 #define VALID_AUDIO_IO_MONITORING_LEVEL		0x02
561 #define VALID_AUDIO_IO_MUTE_LEVEL		0x04
562 #define VALID_AUDIO_IO_MUTE_MONITORING_1	0x08
563 #define VALID_AUDIO_IO_MUTE_MONITORING_2	0x10
564 
565 
566 #endif /* __SOUND_VX_COMMON_H */
567