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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6.36/include/sound/
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
36struct firmware;
37struct 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
46struct 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
54typedef u64 pcx_time_t;
55
56#define VX_MAX_PIPES	16
57#define VX_MAX_PERIODS	32
58#define VX_MAX_CODECS	2
59
60struct 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
67struct 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
93struct vx_core;
94
95struct 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
122struct 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 */
138enum {
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 */
150enum {
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
161struct 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 */
219struct vx_core *snd_vx_create(struct snd_card *card, struct snd_vx_hardware *hw,
220			      struct snd_vx_ops *ops, int extra_size);
221int snd_vx_setup_firmware(struct vx_core *chip);
222int snd_vx_load_boot_image(struct vx_core *chip, const struct firmware *dsp);
223int snd_vx_dsp_boot(struct vx_core *chip, const struct firmware *dsp);
224int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp);
225
226void snd_vx_free_firmware(struct vx_core *chip);
227
228/*
229 * interrupt handler; exported for pcmcia
230 */
231irqreturn_t snd_vx_irq_handler(int irq, void *dev);
232
233/*
234 * lowlevel functions
235 */
236static inline int vx_test_and_ack(struct vx_core *chip)
237{
238	return chip->ops->test_and_ack(chip);
239}
240
241static inline void vx_validate_irq(struct vx_core *chip, int enable)
242{
243	chip->ops->validate_irq(chip, enable);
244}
245
246static inline unsigned char snd_vx_inb(struct vx_core *chip, int reg)
247{
248	return chip->ops->in8(chip, reg);
249}
250
251static inline unsigned int snd_vx_inl(struct vx_core *chip, int reg)
252{
253	return chip->ops->in32(chip, reg);
254}
255
256static inline void snd_vx_outb(struct vx_core *chip, int reg, unsigned char val)
257{
258	chip->ops->out8(chip, reg, val);
259}
260
261static inline void snd_vx_outl(struct vx_core *chip, int reg, unsigned int val)
262{
263	chip->ops->out32(chip, reg, val);
264}
265
266#define vx_inb(chip,reg)	snd_vx_inb(chip, VX_##reg)
267#define vx_outb(chip,reg,val)	snd_vx_outb(chip, VX_##reg,val)
268#define vx_inl(chip,reg)	snd_vx_inl(chip, VX_##reg)
269#define vx_outl(chip,reg,val)	snd_vx_outl(chip, VX_##reg,val)
270
271static inline void vx_reset_dsp(struct vx_core *chip)
272{
273	chip->ops->reset_dsp(chip);
274}
275
276int vx_send_msg(struct vx_core *chip, struct vx_rmh *rmh);
277int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh);
278int vx_send_rih(struct vx_core *chip, int cmd);
279int vx_send_rih_nolock(struct vx_core *chip, int cmd);
280
281void vx_reset_codec(struct vx_core *chip, int cold_reset);
282
283/*
284 * check the bit on the specified register
285 * returns zero if a bit matches, or a negative error code.
286 * exported for vxpocket driver
287 */
288int snd_vx_check_reg_bit(struct vx_core *chip, int reg, int mask, int bit, int time);
289#define vx_check_isr(chip,mask,bit,time) snd_vx_check_reg_bit(chip, VX_ISR, mask, bit, time)
290#define vx_wait_isr_bit(chip,bit) vx_check_isr(chip, bit, bit, 200)
291#define vx_wait_for_rx_full(chip) vx_wait_isr_bit(chip, ISR_RX_FULL)
292
293
294/*
295 * pseudo-DMA transfer
296 */
297static inline void vx_pseudo_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime,
298				       struct vx_pipe *pipe, int count)
299{
300	chip->ops->dma_write(chip, runtime, pipe, count);
301}
302
303static inline void vx_pseudo_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime,
304				      struct vx_pipe *pipe, int count)
305{
306	chip->ops->dma_read(chip, runtime, pipe, count);
307}
308
309
310
311/* error with hardware code,
312 * the return value is -(VX_ERR_MASK | actual-hw-error-code)
313 */
314#define VX_ERR_MASK	0x1000000
315#define vx_get_error(err)	(-(err) & ~VX_ERR_MASK)
316
317
318/*
319 * pcm stuff
320 */
321int snd_vx_pcm_new(struct vx_core *chip);
322void vx_pcm_update_intr(struct vx_core *chip, unsigned int events);
323
324/*
325 * mixer stuff
326 */
327int snd_vx_mixer_new(struct vx_core *chip);
328void vx_toggle_dac_mute(struct vx_core *chip, int mute);
329int vx_sync_audio_source(struct vx_core *chip);
330int vx_set_monitor_level(struct vx_core *chip, int audio, int level, int active);
331
332/*
333 * IEC958 & clock stuff
334 */
335void vx_set_iec958_status(struct vx_core *chip, unsigned int bits);
336int vx_set_clock(struct vx_core *chip, unsigned int freq);
337void vx_set_internal_clock(struct vx_core *chip, unsigned int freq);
338int vx_change_frequency(struct vx_core *chip);
339
340
341/*
342 * PM
343 */
344int snd_vx_suspend(struct vx_core *card, pm_message_t state);
345int snd_vx_resume(struct vx_core *card);
346
347/*
348 * hardware constants
349 */
350
351#define vx_has_new_dsp(chip)	((chip)->type != VX_TYPE_BOARD)
352#define vx_is_pcmcia(chip)	((chip)->type >= VX_TYPE_VXPOCKET)
353
354/* audio input source */
355enum {
356	VX_AUDIO_SRC_DIGITAL,
357	VX_AUDIO_SRC_LINE,
358	VX_AUDIO_SRC_MIC
359};
360
361/* clock source */
362enum {
363	INTERNAL_QUARTZ,
364	UER_SYNC
365};
366
367/* clock mode */
368enum {
369	VX_CLOCK_MODE_AUTO,	/* depending on the current audio source */
370	VX_CLOCK_MODE_INTERNAL,	/* fixed to internal quartz */
371	VX_CLOCK_MODE_EXTERNAL	/* fixed to UER sync */
372};
373
374/* SPDIF/UER type */
375enum {
376	VX_UER_MODE_CONSUMER,
377	VX_UER_MODE_PROFESSIONAL,
378	VX_UER_MODE_NOT_PRESENT,
379};
380
381/* register indices */
382enum {
383	VX_ICR,
384	VX_CVR,
385	VX_ISR,
386	VX_IVR,
387	VX_RXH,
388	VX_TXH = VX_RXH,
389	VX_RXM,
390	VX_TXM = VX_RXM,
391	VX_RXL,
392	VX_TXL = VX_RXL,
393	VX_DMA,
394	VX_CDSP,
395	VX_RFREQ,
396	VX_RUER_V2,
397	VX_GAIN,
398	VX_DATA = VX_GAIN,
399	VX_MEMIRQ,
400	VX_ACQ,
401	VX_BIT0,
402	VX_BIT1,
403	VX_MIC0,
404	VX_MIC1,
405	VX_MIC2,
406	VX_MIC3,
407	VX_PLX0,
408	VX_PLX1,
409	VX_PLX2,
410
411	VX_LOFREQ,  // V2: ACQ, VP: RFREQ
412	VX_HIFREQ,  // V2: BIT0, VP: RUER_V2
413	VX_CSUER,   // V2: BIT1, VP: BIT0
414	VX_RUER,    // V2: RUER_V2, VP: BIT1
415
416	VX_REG_MAX,
417
418	/* aliases for VX board */
419	VX_RESET_DMA = VX_ISR,
420	VX_CFG = VX_RFREQ,
421	VX_STATUS = VX_MEMIRQ,
422	VX_SELMIC = VX_MIC0,
423	VX_COMPOT = VX_MIC1,
424	VX_SCOMPR = VX_MIC2,
425	VX_GLIMIT = VX_MIC3,
426	VX_INTCSR = VX_PLX0,
427	VX_CNTRL = VX_PLX1,
428	VX_GPIOC = VX_PLX2,
429
430	/* aliases for VXPOCKET board */
431	VX_MICRO = VX_MEMIRQ,
432	VX_CODEC2 = VX_MEMIRQ,
433	VX_DIALOG = VX_ACQ,
434
435};
436
437/* RMH status type */
438enum {
439	RMH_SSIZE_FIXED = 0,	/* status size given by the driver (in LgStat) */
440	RMH_SSIZE_ARG = 1,	/* status size given in the LSB byte */
441	RMH_SSIZE_MASK = 2,	/* status size given in bitmask */
442};
443
444
445/* bits for ICR register */
446#define ICR_HF1		0x10
447#define ICR_HF0		0x08
448#define ICR_TREQ	0x02	/* Interrupt mode + HREQ set on for transfer (->DSP) request */
449#define ICR_RREQ	0x01	/* Interrupt mode + RREQ set on for transfer (->PC) request */
450
451/* bits for CVR register */
452#define CVR_HC		0x80
453
454/* bits for ISR register */
455#define ISR_HF3		0x10
456#define ISR_HF2		0x08
457#define ISR_CHK		0x10
458#define ISR_ERR		0x08
459#define ISR_TX_READY	0x04
460#define ISR_TX_EMPTY	0x02
461#define ISR_RX_FULL	0x01
462
463/* Constants used to access the DATA register */
464#define VX_DATA_CODEC_MASK	0x80
465#define VX_DATA_XICOR_MASK	0x80
466
467/* Constants used to access the CSUER register (both for VX2 and VXP) */
468#define VX_SUER_FREQ_MASK		0x0c
469#define VX_SUER_FREQ_32KHz_MASK		0x0c
470#define VX_SUER_FREQ_44KHz_MASK		0x00
471#define VX_SUER_FREQ_48KHz_MASK		0x04
472#define VX_SUER_DATA_PRESENT_MASK	0x02
473#define VX_SUER_CLOCK_PRESENT_MASK	0x01
474
475#define VX_CUER_HH_BITC_SEL_MASK	0x08
476#define VX_CUER_MH_BITC_SEL_MASK	0x04
477#define VX_CUER_ML_BITC_SEL_MASK	0x02
478#define VX_CUER_LL_BITC_SEL_MASK	0x01
479
480#define XX_UER_CBITS_OFFSET_MASK	0x1f
481
482
483/* bits for audio_info */
484#define VX_AUDIO_INFO_REAL_TIME	(1<<0)	/* real-time processing available */
485#define VX_AUDIO_INFO_OFFLINE	(1<<1)	/* offline processing available */
486#define VX_AUDIO_INFO_MPEG1	(1<<5)
487#define VX_AUDIO_INFO_MPEG2	(1<<6)
488#define VX_AUDIO_INFO_LINEAR_8	(1<<7)
489#define VX_AUDIO_INFO_LINEAR_16	(1<<8)
490#define VX_AUDIO_INFO_LINEAR_24	(1<<9)
491
492/* DSP Interrupt Request values */
493#define VXP_IRQ_OFFSET		0x40 /* add 0x40 offset for vxpocket and vx222/v2 */
494/* call with vx_send_irq_dsp() */
495#define IRQ_MESS_WRITE_END          0x30
496#define IRQ_MESS_WRITE_NEXT         0x32
497#define IRQ_MESS_READ_NEXT          0x34
498#define IRQ_MESS_READ_END           0x36
499#define IRQ_MESSAGE                 0x38
500#define IRQ_RESET_CHK               0x3A
501#define IRQ_CONNECT_STREAM_NEXT     0x26
502#define IRQ_CONNECT_STREAM_END      0x28
503#define IRQ_PAUSE_START_CONNECT     0x2A
504#define IRQ_END_CONNECTION          0x2C
505
506/* Is there async. events pending ( IT Source Test ) */
507#define ASYNC_EVENTS_PENDING            0x008000
508#define HBUFFER_EVENTS_PENDING          0x004000   // Not always accurate
509#define NOTIF_EVENTS_PENDING            0x002000
510#define TIME_CODE_EVENT_PENDING         0x001000
511#define FREQUENCY_CHANGE_EVENT_PENDING  0x000800
512#define END_OF_BUFFER_EVENTS_PENDING    0x000400
513#define FATAL_DSP_ERROR                 0xff0000
514
515/* Stream Format Header Defines */
516#define HEADER_FMT_BASE			0xFED00000
517#define HEADER_FMT_MONO			0x000000C0
518#define HEADER_FMT_INTEL		0x00008000
519#define HEADER_FMT_16BITS		0x00002000
520#define HEADER_FMT_24BITS		0x00004000
521#define HEADER_FMT_UPTO11		0x00000200	/* frequency is less or equ. to 11k.*/
522#define HEADER_FMT_UPTO32		0x00000100	/* frequency is over 11k and less then 32k.*/
523
524/* Constants used to access the Codec */
525#define XX_CODEC_SELECTOR               0x20
526/* codec commands */
527#define XX_CODEC_ADC_CONTROL_REGISTER   0x01
528#define XX_CODEC_DAC_CONTROL_REGISTER   0x02
529#define XX_CODEC_LEVEL_LEFT_REGISTER    0x03
530#define XX_CODEC_LEVEL_RIGHT_REGISTER   0x04
531#define XX_CODEC_PORT_MODE_REGISTER     0x05
532#define XX_CODEC_STATUS_REPORT_REGISTER 0x06
533#define XX_CODEC_CLOCK_CONTROL_REGISTER 0x07
534
535/*
536 * Audio-level control values
537 */
538#define CVAL_M110DB		0x000	/* -110dB */
539#define CVAL_M99DB		0x02C
540#define CVAL_M21DB		0x163
541#define CVAL_M18DB		0x16F
542#define CVAL_M10DB		0x18F
543#define CVAL_0DB		0x1B7
544#define CVAL_18DB		0x1FF	/* +18dB */
545#define CVAL_MAX		0x1FF
546
547#define AUDIO_IO_HAS_MUTE_LEVEL			0x400000
548#define AUDIO_IO_HAS_MUTE_MONITORING_1		0x200000
549#define AUDIO_IO_HAS_MUTE_MONITORING_2		0x100000
550#define VALID_AUDIO_IO_DIGITAL_LEVEL		0x01
551#define VALID_AUDIO_IO_MONITORING_LEVEL		0x02
552#define VALID_AUDIO_IO_MUTE_LEVEL		0x04
553#define VALID_AUDIO_IO_MUTE_MONITORING_1	0x08
554#define VALID_AUDIO_IO_MUTE_MONITORING_2	0x10
555
556
557#endif /* __SOUND_VX_COMMON_H */
558