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