1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Driver for Digigram VX soundcards
4 *
5 * Hardware core part
6 *
7 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
8 */
9
10#ifndef __SOUND_VX_COMMON_H
11#define __SOUND_VX_COMMON_H
12
13#include <sound/pcm.h>
14#include <sound/hwdep.h>
15#include <linux/interrupt.h>
16
17struct firmware;
18struct device;
19
20#define VX_DRIVER_VERSION	0x010000	/* 1.0.0 */
21
22/*
23 */
24#define SIZE_MAX_CMD    0x10
25#define SIZE_MAX_STATUS 0x10
26
27struct vx_rmh {
28	u16	LgCmd;		/* length of the command to send (WORDs) */
29	u16	LgStat;		/* length of the status received (WORDs) */
30	u32	Cmd[SIZE_MAX_CMD];
31	u32	Stat[SIZE_MAX_STATUS];
32	u16	DspStat;	/* status type, RMP_SSIZE_XXX */
33};
34
35typedef u64 pcx_time_t;
36
37#define VX_MAX_PIPES	16
38#define VX_MAX_PERIODS	32
39#define VX_MAX_CODECS	2
40
41struct vx_ibl_info {
42	int size;	/* the current IBL size (0 = query) in bytes */
43	int max_size;	/* max. IBL size in bytes */
44	int min_size;	/* min. IBL size in bytes */
45	int granularity;	/* granularity */
46};
47
48struct vx_pipe {
49	int number;
50	unsigned int is_capture: 1;
51	unsigned int data_mode: 1;
52	unsigned int running: 1;
53	unsigned int prepared: 1;
54	int channels;
55	unsigned int differed_type;
56	pcx_time_t pcx_time;
57	struct snd_pcm_substream *substream;
58
59	int hbuf_size;		/* H-buffer size in bytes */
60	int buffer_bytes;	/* the ALSA pcm buffer size in bytes */
61	int period_bytes;	/* the ALSA pcm period size in bytes */
62	int hw_ptr;		/* the current hardware pointer in bytes */
63	int position;		/* the current position in frames (playback only) */
64	int transferred;	/* the transferred size (per period) in frames */
65	int align;		/* size of alignment */
66	u64 cur_count;		/* current sample position (for playback) */
67
68	unsigned int references;     /* an output pipe may be used for monitoring and/or playback */
69	struct vx_pipe *monitoring_pipe;  /* pointer to the monitoring pipe (capture pipe only)*/
70};
71
72struct vx_core;
73
74struct snd_vx_ops {
75	/* low-level i/o */
76	unsigned char (*in8)(struct vx_core *chip, int reg);
77	unsigned int (*in32)(struct vx_core *chip, int reg);
78	void (*out8)(struct vx_core *chip, int reg, unsigned char val);
79	void (*out32)(struct vx_core *chip, int reg, unsigned int val);
80	/* irq */
81	int (*test_and_ack)(struct vx_core *chip);
82	void (*validate_irq)(struct vx_core *chip, int enable);
83	/* codec */
84	void (*write_codec)(struct vx_core *chip, int codec, unsigned int data);
85	void (*akm_write)(struct vx_core *chip, int reg, unsigned int data);
86	void (*reset_codec)(struct vx_core *chip);
87	void (*change_audio_source)(struct vx_core *chip, int src);
88	void (*set_clock_source)(struct vx_core *chp, int src);
89	/* chip init */
90	int (*load_dsp)(struct vx_core *chip, int idx, const struct firmware *fw);
91	void (*reset_dsp)(struct vx_core *chip);
92	void (*reset_board)(struct vx_core *chip, int cold_reset);
93	int (*add_controls)(struct vx_core *chip);
94	/* pcm */
95	void (*dma_write)(struct vx_core *chip, struct snd_pcm_runtime *runtime,
96			  struct vx_pipe *pipe, int count);
97	void (*dma_read)(struct vx_core *chip, struct snd_pcm_runtime *runtime,
98			  struct vx_pipe *pipe, int count);
99};
100
101struct snd_vx_hardware {
102	const char *name;
103	int type;	/* VX_TYPE_XXX */
104
105	/* hardware specs */
106	unsigned int num_codecs;
107	unsigned int num_ins;
108	unsigned int num_outs;
109	unsigned int output_level_max;
110	const unsigned int *output_level_db_scale;
111};
112
113/* hwdep id string */
114#define SND_VX_HWDEP_ID		"VX Loader"
115
116/* hardware type */
117enum {
118	/* VX222 PCI */
119	VX_TYPE_BOARD,		/* old VX222 PCI */
120	VX_TYPE_V2,		/* VX222 V2 PCI */
121	VX_TYPE_MIC,		/* VX222 Mic PCI */
122	/* VX-pocket */
123	VX_TYPE_VXPOCKET,	/* VXpocket V2 */
124	VX_TYPE_VXP440,		/* VXpocket 440 */
125	VX_TYPE_NUMS
126};
127
128/* chip status */
129enum {
130	VX_STAT_XILINX_LOADED	= (1 << 0),	/* devices are registered */
131	VX_STAT_DEVICE_INIT	= (1 << 1),	/* devices are registered */
132	VX_STAT_CHIP_INIT	= (1 << 2),	/* all operational */
133	VX_STAT_IN_SUSPEND	= (1 << 10),	/* in suspend phase */
134	VX_STAT_IS_STALE	= (1 << 15)	/* device is stale */
135};
136
137/* min/max values for analog output for old codecs */
138#define VX_ANALOG_OUT_LEVEL_MAX		0xe3
139
140struct vx_core {
141	/* ALSA stuff */
142	struct snd_card *card;
143	struct snd_pcm *pcm[VX_MAX_CODECS];
144	int type;	/* VX_TYPE_XXX */
145
146	int irq;
147	/* ports are defined externally */
148
149	/* low-level functions */
150	const struct snd_vx_hardware *hw;
151	const struct snd_vx_ops *ops;
152
153	struct mutex lock;
154
155	unsigned int chip_status;
156	unsigned int pcm_running;
157
158	struct device *dev;
159	struct snd_hwdep *hwdep;
160
161	struct vx_rmh irq_rmh;	/* RMH used in interrupts */
162
163	unsigned int audio_info; /* see VX_AUDIO_INFO */
164	unsigned int audio_ins;
165	unsigned int audio_outs;
166	struct vx_pipe **playback_pipes;
167	struct vx_pipe **capture_pipes;
168
169	/* clock and audio sources */
170	unsigned int audio_source;	/* current audio input source */
171	unsigned int audio_source_target;
172	unsigned int clock_mode;	/* clock mode (VX_CLOCK_MODE_XXX) */
173	unsigned int clock_source;	/* current clock source (INTERNAL_QUARTZ or UER_SYNC) */
174	unsigned int freq;		/* current frequency */
175	unsigned int freq_detected;	/* detected frequency from digital in */
176	unsigned int uer_detected;	/* VX_UER_MODE_XXX */
177	unsigned int uer_bits;	/* IEC958 status bits */
178	struct vx_ibl_info ibl;	/* IBL information */
179
180	/* mixer setting */
181	int output_level[VX_MAX_CODECS][2];	/* analog output level */
182	int audio_gain[2][4];			/* digital audio level (playback/capture) */
183	unsigned char audio_active[4];		/* mute/unmute on digital playback */
184	int audio_monitor[4];			/* playback hw-monitor level */
185	unsigned char audio_monitor_active[4];	/* playback hw-monitor mute/unmute */
186
187	struct mutex mixer_mutex;
188
189	const struct firmware *firmware[4]; /* loaded firmware data */
190};
191
192
193/*
194 * constructor
195 */
196struct vx_core *snd_vx_create(struct snd_card *card,
197			      const struct snd_vx_hardware *hw,
198			      const struct snd_vx_ops *ops, int extra_size);
199int snd_vx_setup_firmware(struct vx_core *chip);
200int snd_vx_load_boot_image(struct vx_core *chip, const struct firmware *dsp);
201int snd_vx_dsp_boot(struct vx_core *chip, const struct firmware *dsp);
202int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp);
203
204void snd_vx_free_firmware(struct vx_core *chip);
205
206/*
207 * interrupt handler; exported for pcmcia
208 */
209irqreturn_t snd_vx_irq_handler(int irq, void *dev);
210irqreturn_t snd_vx_threaded_irq_handler(int irq, void *dev);
211
212/*
213 * lowlevel functions
214 */
215static inline int vx_test_and_ack(struct vx_core *chip)
216{
217	return chip->ops->test_and_ack(chip);
218}
219
220static inline void vx_validate_irq(struct vx_core *chip, int enable)
221{
222	chip->ops->validate_irq(chip, enable);
223}
224
225static inline unsigned char snd_vx_inb(struct vx_core *chip, int reg)
226{
227	return chip->ops->in8(chip, reg);
228}
229
230static inline unsigned int snd_vx_inl(struct vx_core *chip, int reg)
231{
232	return chip->ops->in32(chip, reg);
233}
234
235static inline void snd_vx_outb(struct vx_core *chip, int reg, unsigned char val)
236{
237	chip->ops->out8(chip, reg, val);
238}
239
240static inline void snd_vx_outl(struct vx_core *chip, int reg, unsigned int val)
241{
242	chip->ops->out32(chip, reg, val);
243}
244
245#define vx_inb(chip,reg)	snd_vx_inb(chip, VX_##reg)
246#define vx_outb(chip,reg,val)	snd_vx_outb(chip, VX_##reg,val)
247#define vx_inl(chip,reg)	snd_vx_inl(chip, VX_##reg)
248#define vx_outl(chip,reg,val)	snd_vx_outl(chip, VX_##reg,val)
249
250static inline void vx_reset_dsp(struct vx_core *chip)
251{
252	chip->ops->reset_dsp(chip);
253}
254
255int vx_send_msg(struct vx_core *chip, struct vx_rmh *rmh);
256int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh);
257int vx_send_rih(struct vx_core *chip, int cmd);
258int vx_send_rih_nolock(struct vx_core *chip, int cmd);
259
260void vx_reset_codec(struct vx_core *chip, int cold_reset);
261
262/*
263 * check the bit on the specified register
264 * returns zero if a bit matches, or a negative error code.
265 * exported for vxpocket driver
266 */
267int snd_vx_check_reg_bit(struct vx_core *chip, int reg, int mask, int bit, int time);
268#define vx_check_isr(chip,mask,bit,time) snd_vx_check_reg_bit(chip, VX_ISR, mask, bit, time)
269#define vx_wait_isr_bit(chip,bit) vx_check_isr(chip, bit, bit, 200)
270#define vx_wait_for_rx_full(chip) vx_wait_isr_bit(chip, ISR_RX_FULL)
271
272
273/*
274 * pseudo-DMA transfer
275 */
276static inline void vx_pseudo_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime,
277				       struct vx_pipe *pipe, int count)
278{
279	chip->ops->dma_write(chip, runtime, pipe, count);
280}
281
282static inline void vx_pseudo_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime,
283				      struct vx_pipe *pipe, int count)
284{
285	chip->ops->dma_read(chip, runtime, pipe, count);
286}
287
288
289
290/* error with hardware code,
291 * the return value is -(VX_ERR_MASK | actual-hw-error-code)
292 */
293#define VX_ERR_MASK	0x1000000
294#define vx_get_error(err)	(-(err) & ~VX_ERR_MASK)
295
296
297/*
298 * pcm stuff
299 */
300int snd_vx_pcm_new(struct vx_core *chip);
301void vx_pcm_update_intr(struct vx_core *chip, unsigned int events);
302
303/*
304 * mixer stuff
305 */
306int snd_vx_mixer_new(struct vx_core *chip);
307void vx_toggle_dac_mute(struct vx_core *chip, int mute);
308int vx_sync_audio_source(struct vx_core *chip);
309int vx_set_monitor_level(struct vx_core *chip, int audio, int level, int active);
310
311/*
312 * IEC958 & clock stuff
313 */
314void vx_set_iec958_status(struct vx_core *chip, unsigned int bits);
315int vx_set_clock(struct vx_core *chip, unsigned int freq);
316void vx_set_internal_clock(struct vx_core *chip, unsigned int freq);
317int vx_change_frequency(struct vx_core *chip);
318
319
320/*
321 * PM
322 */
323int snd_vx_suspend(struct vx_core *card);
324int snd_vx_resume(struct vx_core *card);
325
326/*
327 * hardware constants
328 */
329
330#define vx_has_new_dsp(chip)	((chip)->type != VX_TYPE_BOARD)
331#define vx_is_pcmcia(chip)	((chip)->type >= VX_TYPE_VXPOCKET)
332
333/* audio input source */
334enum {
335	VX_AUDIO_SRC_DIGITAL,
336	VX_AUDIO_SRC_LINE,
337	VX_AUDIO_SRC_MIC
338};
339
340/* clock source */
341enum {
342	INTERNAL_QUARTZ,
343	UER_SYNC
344};
345
346/* clock mode */
347enum {
348	VX_CLOCK_MODE_AUTO,	/* depending on the current audio source */
349	VX_CLOCK_MODE_INTERNAL,	/* fixed to internal quartz */
350	VX_CLOCK_MODE_EXTERNAL	/* fixed to UER sync */
351};
352
353/* SPDIF/UER type */
354enum {
355	VX_UER_MODE_CONSUMER,
356	VX_UER_MODE_PROFESSIONAL,
357	VX_UER_MODE_NOT_PRESENT,
358};
359
360/* register indices */
361enum {
362	VX_ICR,
363	VX_CVR,
364	VX_ISR,
365	VX_IVR,
366	VX_RXH,
367	VX_TXH = VX_RXH,
368	VX_RXM,
369	VX_TXM = VX_RXM,
370	VX_RXL,
371	VX_TXL = VX_RXL,
372	VX_DMA,
373	VX_CDSP,
374	VX_RFREQ,
375	VX_RUER_V2,
376	VX_GAIN,
377	VX_DATA = VX_GAIN,
378	VX_MEMIRQ,
379	VX_ACQ,
380	VX_BIT0,
381	VX_BIT1,
382	VX_MIC0,
383	VX_MIC1,
384	VX_MIC2,
385	VX_MIC3,
386	VX_PLX0,
387	VX_PLX1,
388	VX_PLX2,
389
390	VX_LOFREQ,  // V2: ACQ, VP: RFREQ
391	VX_HIFREQ,  // V2: BIT0, VP: RUER_V2
392	VX_CSUER,   // V2: BIT1, VP: BIT0
393	VX_RUER,    // V2: RUER_V2, VP: BIT1
394
395	VX_REG_MAX,
396
397	/* aliases for VX board */
398	VX_RESET_DMA = VX_ISR,
399	VX_CFG = VX_RFREQ,
400	VX_STATUS = VX_MEMIRQ,
401	VX_SELMIC = VX_MIC0,
402	VX_COMPOT = VX_MIC1,
403	VX_SCOMPR = VX_MIC2,
404	VX_GLIMIT = VX_MIC3,
405	VX_INTCSR = VX_PLX0,
406	VX_CNTRL = VX_PLX1,
407	VX_GPIOC = VX_PLX2,
408
409	/* aliases for VXPOCKET board */
410	VX_MICRO = VX_MEMIRQ,
411	VX_CODEC2 = VX_MEMIRQ,
412	VX_DIALOG = VX_ACQ,
413
414};
415
416/* RMH status type */
417enum {
418	RMH_SSIZE_FIXED = 0,	/* status size given by the driver (in LgStat) */
419	RMH_SSIZE_ARG = 1,	/* status size given in the LSB byte */
420	RMH_SSIZE_MASK = 2,	/* status size given in bitmask */
421};
422
423
424/* bits for ICR register */
425#define ICR_HF1		0x10
426#define ICR_HF0		0x08
427#define ICR_TREQ	0x02	/* Interrupt mode + HREQ set on for transfer (->DSP) request */
428#define ICR_RREQ	0x01	/* Interrupt mode + RREQ set on for transfer (->PC) request */
429
430/* bits for CVR register */
431#define CVR_HC		0x80
432
433/* bits for ISR register */
434#define ISR_HF3		0x10
435#define ISR_HF2		0x08
436#define ISR_CHK		0x10
437#define ISR_ERR		0x08
438#define ISR_TX_READY	0x04
439#define ISR_TX_EMPTY	0x02
440#define ISR_RX_FULL	0x01
441
442/* Constants used to access the DATA register */
443#define VX_DATA_CODEC_MASK	0x80
444#define VX_DATA_XICOR_MASK	0x80
445
446/* Constants used to access the CSUER register (both for VX2 and VXP) */
447#define VX_SUER_FREQ_MASK		0x0c
448#define VX_SUER_FREQ_32KHz_MASK		0x0c
449#define VX_SUER_FREQ_44KHz_MASK		0x00
450#define VX_SUER_FREQ_48KHz_MASK		0x04
451#define VX_SUER_DATA_PRESENT_MASK	0x02
452#define VX_SUER_CLOCK_PRESENT_MASK	0x01
453
454#define VX_CUER_HH_BITC_SEL_MASK	0x08
455#define VX_CUER_MH_BITC_SEL_MASK	0x04
456#define VX_CUER_ML_BITC_SEL_MASK	0x02
457#define VX_CUER_LL_BITC_SEL_MASK	0x01
458
459#define XX_UER_CBITS_OFFSET_MASK	0x1f
460
461
462/* bits for audio_info */
463#define VX_AUDIO_INFO_REAL_TIME	(1<<0)	/* real-time processing available */
464#define VX_AUDIO_INFO_OFFLINE	(1<<1)	/* offline processing available */
465#define VX_AUDIO_INFO_MPEG1	(1<<5)
466#define VX_AUDIO_INFO_MPEG2	(1<<6)
467#define VX_AUDIO_INFO_LINEAR_8	(1<<7)
468#define VX_AUDIO_INFO_LINEAR_16	(1<<8)
469#define VX_AUDIO_INFO_LINEAR_24	(1<<9)
470
471/* DSP Interrupt Request values */
472#define VXP_IRQ_OFFSET		0x40 /* add 0x40 offset for vxpocket and vx222/v2 */
473/* call with vx_send_irq_dsp() */
474#define IRQ_MESS_WRITE_END          0x30
475#define IRQ_MESS_WRITE_NEXT         0x32
476#define IRQ_MESS_READ_NEXT          0x34
477#define IRQ_MESS_READ_END           0x36
478#define IRQ_MESSAGE                 0x38
479#define IRQ_RESET_CHK               0x3A
480#define IRQ_CONNECT_STREAM_NEXT     0x26
481#define IRQ_CONNECT_STREAM_END      0x28
482#define IRQ_PAUSE_START_CONNECT     0x2A
483#define IRQ_END_CONNECTION          0x2C
484
485/* Is there async. events pending ( IT Source Test ) */
486#define ASYNC_EVENTS_PENDING            0x008000
487#define HBUFFER_EVENTS_PENDING          0x004000   // Not always accurate
488#define NOTIF_EVENTS_PENDING            0x002000
489#define TIME_CODE_EVENT_PENDING         0x001000
490#define FREQUENCY_CHANGE_EVENT_PENDING  0x000800
491#define END_OF_BUFFER_EVENTS_PENDING    0x000400
492#define FATAL_DSP_ERROR                 0xff0000
493
494/* Stream Format Header Defines */
495#define HEADER_FMT_BASE			0xFED00000
496#define HEADER_FMT_MONO			0x000000C0
497#define HEADER_FMT_INTEL		0x00008000
498#define HEADER_FMT_16BITS		0x00002000
499#define HEADER_FMT_24BITS		0x00004000
500#define HEADER_FMT_UPTO11		0x00000200	/* frequency is less or equ. to 11k.*/
501#define HEADER_FMT_UPTO32		0x00000100	/* frequency is over 11k and less then 32k.*/
502
503/* Constants used to access the Codec */
504#define XX_CODEC_SELECTOR               0x20
505/* codec commands */
506#define XX_CODEC_ADC_CONTROL_REGISTER   0x01
507#define XX_CODEC_DAC_CONTROL_REGISTER   0x02
508#define XX_CODEC_LEVEL_LEFT_REGISTER    0x03
509#define XX_CODEC_LEVEL_RIGHT_REGISTER   0x04
510#define XX_CODEC_PORT_MODE_REGISTER     0x05
511#define XX_CODEC_STATUS_REPORT_REGISTER 0x06
512#define XX_CODEC_CLOCK_CONTROL_REGISTER 0x07
513
514/*
515 * Audio-level control values
516 */
517#define CVAL_M110DB		0x000	/* -110dB */
518#define CVAL_M99DB		0x02C
519#define CVAL_M21DB		0x163
520#define CVAL_M18DB		0x16F
521#define CVAL_M10DB		0x18F
522#define CVAL_0DB		0x1B7
523#define CVAL_18DB		0x1FF	/* +18dB */
524#define CVAL_MAX		0x1FF
525
526#define AUDIO_IO_HAS_MUTE_LEVEL			0x400000
527#define AUDIO_IO_HAS_MUTE_MONITORING_1		0x200000
528#define AUDIO_IO_HAS_MUTE_MONITORING_2		0x100000
529#define VALID_AUDIO_IO_DIGITAL_LEVEL		0x01
530#define VALID_AUDIO_IO_MONITORING_LEVEL		0x02
531#define VALID_AUDIO_IO_MUTE_LEVEL		0x04
532#define VALID_AUDIO_IO_MUTE_MONITORING_1	0x08
533#define VALID_AUDIO_IO_MUTE_MONITORING_2	0x10
534
535
536#endif /* __SOUND_VX_COMMON_H */
537