vx_core.h revision 0ed1cad172176a4595f82e8cd9055938ad54bd4b
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};
132
133/* hwdep id string */
134#define SND_VX_HWDEP_ID		"VX Loader"
135
136/* hardware type */
137enum {
138	/* VX222 PCI */
139	VX_TYPE_BOARD,		/* old VX222 PCI */
140	VX_TYPE_V2,		/* VX222 V2 PCI */
141	VX_TYPE_MIC,		/* VX222 Mic PCI */
142	/* VX-pocket */
143	VX_TYPE_VXPOCKET,	/* VXpocket V2 */
144	VX_TYPE_VXP440,		/* VXpocket 440 */
145	VX_TYPE_NUMS
146};
147
148/* chip status */
149enum {
150	VX_STAT_XILINX_LOADED	= (1 << 0),	/* devices are registered */
151	VX_STAT_DEVICE_INIT	= (1 << 1),	/* devices are registered */
152	VX_STAT_CHIP_INIT	= (1 << 2),	/* all operational */
153	VX_STAT_IN_SUSPEND	= (1 << 10),	/* in suspend phase */
154	VX_STAT_IS_STALE	= (1 << 15)	/* device is stale */
155};
156
157/* min/max values for analog output for old codecs */
158#define VX_ANALOG_OUT_LEVEL_MAX		0xe3
159
160struct vx_core {
161	/* ALSA stuff */
162	struct snd_card *card;
163	struct snd_pcm *pcm[VX_MAX_CODECS];
164	int type;	/* VX_TYPE_XXX */
165
166	int irq;
167	/* ports are defined externally */
168
169	/* low-level functions */
170	struct snd_vx_hardware *hw;
171	struct snd_vx_ops *ops;
172
173	spinlock_t lock;
174	spinlock_t irq_lock;
175	struct tasklet_struct tq;
176
177	unsigned int chip_status;
178	unsigned int pcm_running;
179
180	struct device *dev;
181	struct snd_hwdep *hwdep;
182
183	struct vx_rmh irq_rmh;	/* RMH used in interrupts */
184
185	unsigned int audio_info; /* see VX_AUDIO_INFO */
186	unsigned int audio_ins;
187	unsigned int audio_outs;
188	struct vx_pipe **playback_pipes;
189	struct vx_pipe **capture_pipes;
190
191	/* clock and audio sources */
192	unsigned int audio_source;	/* current audio input source */
193	unsigned int audio_source_target;
194	unsigned int clock_mode;	/* clock mode (VX_CLOCK_MODE_XXX) */
195	unsigned int clock_source;	/* current clock source (INTERNAL_QUARTZ or UER_SYNC) */
196	unsigned int freq;		/* current frequency */
197	unsigned int freq_detected;	/* detected frequency from digital in */
198	unsigned int uer_detected;	/* VX_UER_MODE_XXX */
199	unsigned int uer_bits;	/* IEC958 status bits */
200	struct vx_ibl_info ibl;	/* IBL information */
201
202	/* mixer setting */
203	int output_level[VX_MAX_CODECS][2];	/* analog output level */
204	int audio_gain[2][4];			/* digital audio level (playback/capture) */
205	unsigned char audio_active[4];		/* mute/unmute on digital playback */
206	int audio_monitor[4];			/* playback hw-monitor level */
207	unsigned char audio_monitor_active[4];	/* playback hw-monitor mute/unmute */
208
209	struct semaphore mixer_mutex;
210
211	const struct firmware *firmware[4]; /* loaded firmware data */
212};
213
214
215/*
216 * constructor
217 */
218struct vx_core *snd_vx_create(struct snd_card *card, struct snd_vx_hardware *hw,
219			      struct snd_vx_ops *ops, int extra_size);
220int snd_vx_setup_firmware(struct vx_core *chip);
221int snd_vx_load_boot_image(struct vx_core *chip, const struct firmware *dsp);
222int snd_vx_dsp_boot(struct vx_core *chip, const struct firmware *dsp);
223int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp);
224
225void snd_vx_free_firmware(struct vx_core *chip);
226
227/*
228 * interrupt handler; exported for pcmcia
229 */
230irqreturn_t snd_vx_irq_handler(int irq, void *dev, struct pt_regs *regs);
231
232/*
233 * lowlevel functions
234 */
235static inline int vx_test_and_ack(struct vx_core *chip)
236{
237	snd_assert(chip->ops->test_and_ack, return -ENXIO);
238	return chip->ops->test_and_ack(chip);
239}
240
241static inline void vx_validate_irq(struct vx_core *chip, int enable)
242{
243	snd_assert(chip->ops->validate_irq, return);
244	chip->ops->validate_irq(chip, enable);
245}
246
247static inline unsigned char snd_vx_inb(struct vx_core *chip, int reg)
248{
249	snd_assert(chip->ops->in8, return 0);
250	return chip->ops->in8(chip, reg);
251}
252
253static inline unsigned int snd_vx_inl(struct vx_core *chip, int reg)
254{
255	snd_assert(chip->ops->in32, return 0);
256	return chip->ops->in32(chip, reg);
257}
258
259static inline void snd_vx_outb(struct vx_core *chip, int reg, unsigned char val)
260{
261	snd_assert(chip->ops->out8, return);
262	chip->ops->out8(chip, reg, val);
263}
264
265static inline void snd_vx_outl(struct vx_core *chip, int reg, unsigned int val)
266{
267	snd_assert(chip->ops->out32, return);
268	chip->ops->out32(chip, reg, val);
269}
270
271#define vx_inb(chip,reg)	snd_vx_inb(chip, VX_##reg)
272#define vx_outb(chip,reg,val)	snd_vx_outb(chip, VX_##reg,val)
273#define vx_inl(chip,reg)	snd_vx_inl(chip, VX_##reg)
274#define vx_outl(chip,reg,val)	snd_vx_outl(chip, VX_##reg,val)
275
276static inline void vx_reset_dsp(struct vx_core *chip)
277{
278	snd_assert(chip->ops->reset_dsp, return);
279	chip->ops->reset_dsp(chip);
280}
281
282int vx_send_msg(struct vx_core *chip, struct vx_rmh *rmh);
283int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh);
284int vx_send_rih(struct vx_core *chip, int cmd);
285int vx_send_rih_nolock(struct vx_core *chip, int cmd);
286
287void vx_reset_codec(struct vx_core *chip, int cold_reset);
288
289/*
290 * check the bit on the specified register
291 * returns zero if a bit matches, or a negative error code.
292 * exported for vxpocket driver
293 */
294int snd_vx_check_reg_bit(struct vx_core *chip, int reg, int mask, int bit, int time);
295#define vx_check_isr(chip,mask,bit,time) snd_vx_check_reg_bit(chip, VX_ISR, mask, bit, time)
296#define vx_wait_isr_bit(chip,bit) vx_check_isr(chip, bit, bit, 200)
297#define vx_wait_for_rx_full(chip) vx_wait_isr_bit(chip, ISR_RX_FULL)
298
299
300/*
301 * pseudo-DMA transfer
302 */
303static inline void vx_pseudo_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime,
304				       struct vx_pipe *pipe, int count)
305{
306	snd_assert(chip->ops->dma_write, return);
307	chip->ops->dma_write(chip, runtime, pipe, count);
308}
309
310static inline void vx_pseudo_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime,
311				      struct vx_pipe *pipe, int count)
312{
313	snd_assert(chip->ops->dma_read, return);
314	chip->ops->dma_read(chip, runtime, pipe, count);
315}
316
317
318
319/* error with hardware code,
320 * the return value is -(VX_ERR_MASK | actual-hw-error-code)
321 */
322#define VX_ERR_MASK	0x1000000
323#define vx_get_error(err)	(-(err) & ~VX_ERR_MASK)
324
325
326/*
327 * pcm stuff
328 */
329int snd_vx_pcm_new(struct vx_core *chip);
330void vx_pcm_update_intr(struct vx_core *chip, unsigned int events);
331
332/*
333 * mixer stuff
334 */
335int snd_vx_mixer_new(struct vx_core *chip);
336void vx_toggle_dac_mute(struct vx_core *chip, int mute);
337int vx_sync_audio_source(struct vx_core *chip);
338int vx_set_monitor_level(struct vx_core *chip, int audio, int level, int active);
339
340/*
341 * IEC958 & clock stuff
342 */
343void vx_set_iec958_status(struct vx_core *chip, unsigned int bits);
344int vx_set_clock(struct vx_core *chip, unsigned int freq);
345void vx_set_internal_clock(struct vx_core *chip, unsigned int freq);
346int vx_change_frequency(struct vx_core *chip);
347
348
349/*
350 * PM
351 */
352int snd_vx_suspend(struct vx_core *card, pm_message_t state);
353int snd_vx_resume(struct vx_core *card);
354
355/*
356 * hardware constants
357 */
358
359#define vx_has_new_dsp(chip)	((chip)->type != VX_TYPE_BOARD)
360#define vx_is_pcmcia(chip)	((chip)->type >= VX_TYPE_VXPOCKET)
361
362/* audio input source */
363enum {
364	VX_AUDIO_SRC_DIGITAL,
365	VX_AUDIO_SRC_LINE,
366	VX_AUDIO_SRC_MIC
367};
368
369/* clock source */
370enum {
371	INTERNAL_QUARTZ,
372	UER_SYNC
373};
374
375/* clock mode */
376enum {
377	VX_CLOCK_MODE_AUTO,	/* depending on the current audio source */
378	VX_CLOCK_MODE_INTERNAL,	/* fixed to internal quartz */
379	VX_CLOCK_MODE_EXTERNAL	/* fixed to UER sync */
380};
381
382/* SPDIF/UER type */
383enum {
384	VX_UER_MODE_CONSUMER,
385	VX_UER_MODE_PROFESSIONAL,
386	VX_UER_MODE_NOT_PRESENT,
387};
388
389/* register indices */
390enum {
391	VX_ICR,
392	VX_CVR,
393	VX_ISR,
394	VX_IVR,
395	VX_RXH,
396	VX_TXH = VX_RXH,
397	VX_RXM,
398	VX_TXM = VX_RXM,
399	VX_RXL,
400	VX_TXL = VX_RXL,
401	VX_DMA,
402	VX_CDSP,
403	VX_RFREQ,
404	VX_RUER_V2,
405	VX_GAIN,
406	VX_DATA = VX_GAIN,
407	VX_MEMIRQ,
408	VX_ACQ,
409	VX_BIT0,
410	VX_BIT1,
411	VX_MIC0,
412	VX_MIC1,
413	VX_MIC2,
414	VX_MIC3,
415	VX_PLX0,
416	VX_PLX1,
417	VX_PLX2,
418
419	VX_LOFREQ,  // V2: ACQ, VP: RFREQ
420	VX_HIFREQ,  // V2: BIT0, VP: RUER_V2
421	VX_CSUER,   // V2: BIT1, VP: BIT0
422	VX_RUER,    // V2: RUER_V2, VP: BIT1
423
424	VX_REG_MAX,
425
426	/* aliases for VX board */
427	VX_RESET_DMA = VX_ISR,
428	VX_CFG = VX_RFREQ,
429	VX_STATUS = VX_MEMIRQ,
430	VX_SELMIC = VX_MIC0,
431	VX_COMPOT = VX_MIC1,
432	VX_SCOMPR = VX_MIC2,
433	VX_GLIMIT = VX_MIC3,
434	VX_INTCSR = VX_PLX0,
435	VX_CNTRL = VX_PLX1,
436	VX_GPIOC = VX_PLX2,
437
438	/* aliases for VXPOCKET board */
439	VX_MICRO = VX_MEMIRQ,
440	VX_CODEC2 = VX_MEMIRQ,
441	VX_DIALOG = VX_ACQ,
442
443};
444
445/* RMH status type */
446enum {
447	RMH_SSIZE_FIXED = 0,	/* status size given by the driver (in LgStat) */
448	RMH_SSIZE_ARG = 1,	/* status size given in the LSB byte */
449	RMH_SSIZE_MASK = 2,	/* status size given in bitmask */
450};
451
452
453/* bits for ICR register */
454#define ICR_HF1		0x10
455#define ICR_HF0		0x08
456#define ICR_TREQ	0x02	/* Interrupt mode + HREQ set on for transfer (->DSP) request */
457#define ICR_RREQ	0x01	/* Interrupt mode + RREQ set on for transfer (->PC) request */
458
459/* bits for CVR register */
460#define CVR_HC		0x80
461
462/* bits for ISR register */
463#define ISR_HF3		0x10
464#define ISR_HF2		0x08
465#define ISR_CHK		0x10
466#define ISR_ERR		0x08
467#define ISR_TX_READY	0x04
468#define ISR_TX_EMPTY	0x02
469#define ISR_RX_FULL	0x01
470
471/* Constants used to access the DATA register */
472#define VX_DATA_CODEC_MASK	0x80
473#define VX_DATA_XICOR_MASK	0x80
474
475/* Constants used to access the CSUER register (both for VX2 and VXP) */
476#define VX_SUER_FREQ_MASK		0x0c
477#define VX_SUER_FREQ_32KHz_MASK		0x0c
478#define VX_SUER_FREQ_44KHz_MASK		0x00
479#define VX_SUER_FREQ_48KHz_MASK		0x04
480#define VX_SUER_DATA_PRESENT_MASK	0x02
481#define VX_SUER_CLOCK_PRESENT_MASK	0x01
482
483#define VX_CUER_HH_BITC_SEL_MASK	0x08
484#define VX_CUER_MH_BITC_SEL_MASK	0x04
485#define VX_CUER_ML_BITC_SEL_MASK	0x02
486#define VX_CUER_LL_BITC_SEL_MASK	0x01
487
488#define XX_UER_CBITS_OFFSET_MASK	0x1f
489
490
491/* bits for audio_info */
492#define VX_AUDIO_INFO_REAL_TIME	(1<<0)	/* real-time processing available */
493#define VX_AUDIO_INFO_OFFLINE	(1<<1)	/* offline processing available */
494#define VX_AUDIO_INFO_MPEG1	(1<<5)
495#define VX_AUDIO_INFO_MPEG2	(1<<6)
496#define VX_AUDIO_INFO_LINEAR_8	(1<<7)
497#define VX_AUDIO_INFO_LINEAR_16	(1<<8)
498#define VX_AUDIO_INFO_LINEAR_24	(1<<9)
499
500/* DSP Interrupt Request values */
501#define VXP_IRQ_OFFSET		0x40 /* add 0x40 offset for vxpocket and vx222/v2 */
502/* call with vx_send_irq_dsp() */
503#define IRQ_MESS_WRITE_END          0x30
504#define IRQ_MESS_WRITE_NEXT         0x32
505#define IRQ_MESS_READ_NEXT          0x34
506#define IRQ_MESS_READ_END           0x36
507#define IRQ_MESSAGE                 0x38
508#define IRQ_RESET_CHK               0x3A
509#define IRQ_CONNECT_STREAM_NEXT     0x26
510#define IRQ_CONNECT_STREAM_END      0x28
511#define IRQ_PAUSE_START_CONNECT     0x2A
512#define IRQ_END_CONNECTION          0x2C
513
514/* Is there async. events pending ( IT Source Test ) */
515#define ASYNC_EVENTS_PENDING            0x008000
516#define HBUFFER_EVENTS_PENDING          0x004000   // Not always accurate
517#define NOTIF_EVENTS_PENDING            0x002000
518#define TIME_CODE_EVENT_PENDING         0x001000
519#define FREQUENCY_CHANGE_EVENT_PENDING  0x000800
520#define END_OF_BUFFER_EVENTS_PENDING    0x000400
521#define FATAL_DSP_ERROR                 0xff0000
522
523/* Stream Format Header Defines */
524#define HEADER_FMT_BASE			0xFED00000
525#define HEADER_FMT_MONO			0x000000C0
526#define HEADER_FMT_INTEL		0x00008000
527#define HEADER_FMT_16BITS		0x00002000
528#define HEADER_FMT_24BITS		0x00004000
529#define HEADER_FMT_UPTO11		0x00000200	/* frequency is less or equ. to 11k.*/
530#define HEADER_FMT_UPTO32		0x00000100	/* frequency is over 11k and less then 32k.*/
531
532/* Constants used to access the Codec */
533#define XX_CODEC_SELECTOR               0x20
534/* codec commands */
535#define XX_CODEC_ADC_CONTROL_REGISTER   0x01
536#define XX_CODEC_DAC_CONTROL_REGISTER   0x02
537#define XX_CODEC_LEVEL_LEFT_REGISTER    0x03
538#define XX_CODEC_LEVEL_RIGHT_REGISTER   0x04
539#define XX_CODEC_PORT_MODE_REGISTER     0x05
540#define XX_CODEC_STATUS_REPORT_REGISTER 0x06
541#define XX_CODEC_CLOCK_CONTROL_REGISTER 0x07
542
543/*
544 * Audio-level control values
545 */
546#define CVAL_M110DB		0x000	/* -110dB */
547#define CVAL_M99DB		0x02C
548#define CVAL_M21DB		0x163
549#define CVAL_M18DB		0x16F
550#define CVAL_M10DB		0x18F
551#define CVAL_0DB		0x1B7
552#define CVAL_18DB		0x1FF	/* +18dB */
553#define CVAL_MAX		0x1FF
554
555#define AUDIO_IO_HAS_MUTE_LEVEL			0x400000
556#define AUDIO_IO_HAS_MUTE_MONITORING_1		0x200000
557#define AUDIO_IO_HAS_MUTE_MONITORING_2		0x100000
558#define VALID_AUDIO_IO_DIGITAL_LEVEL		0x01
559#define VALID_AUDIO_IO_MONITORING_LEVEL		0x02
560#define VALID_AUDIO_IO_MUTE_LEVEL		0x04
561#define VALID_AUDIO_IO_MUTE_MONITORING_1	0x08
562#define VALID_AUDIO_IO_MUTE_MONITORING_2	0x10
563
564
565#endif /* __SOUND_VX_COMMON_H */
566