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