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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
39typedef struct snd_vx_core vx_core_t;
40typedef struct vx_pipe vx_pipe_t;
41
42#define VX_DRIVER_VERSION 0x010000 /* 1.0.0 */
43
44/*
45 */
46#define SIZE_MAX_CMD 0x10
47#define SIZE_MAX_STATUS 0x10
48
49struct vx_rmh {
50 u16 LgCmd; /* length of the command to send (WORDs) */
51 u16 LgStat; /* length of the status received (WORDs) */
52 u32 Cmd[SIZE_MAX_CMD];
53 u32 Stat[SIZE_MAX_STATUS];
54 u16 DspStat; /* status type, RMP_SSIZE_XXX */
55};
56
57typedef u64 pcx_time_t;
58
59#define VX_MAX_PIPES 16
60#define VX_MAX_PERIODS 32
61#define VX_MAX_CODECS 2
62
63struct vx_ibl_info {
64 int size; /* the current IBL size (0 = query) in bytes */
65 int max_size; /* max. IBL size in bytes */
66 int min_size; /* min. IBL size in bytes */
67 int granularity; /* granularity */
68};
69
70struct vx_pipe {
71 int number;
72 unsigned int is_capture: 1;
73 unsigned int data_mode: 1;
74 unsigned int running: 1;
75 unsigned int prepared: 1;
76 int channels;
77 unsigned int differed_type;
78 pcx_time_t pcx_time;
79 snd_pcm_substream_t *substream;
80
81 int hbuf_size; /* H-buffer size in bytes */
82 int buffer_bytes; /* the ALSA pcm buffer size in bytes */
83 int period_bytes; /* the ALSA pcm period size in bytes */
84 int hw_ptr; /* the current hardware pointer in bytes */
85 int position; /* the current position in frames (playback only) */
86 int transferred; /* the transferred size (per period) in frames */
87 int align; /* size of alignment */
88 u64 cur_count; /* current sample position (for playback) */
89
90 unsigned int references; /* an output pipe may be used for monitoring and/or playback */
91 vx_pipe_t *monitoring_pipe; /* pointer to the monitoring pipe (capture pipe only)*/
92
93 struct tasklet_struct start_tq;
94};
95
96struct snd_vx_ops {
97 /* low-level i/o */
98 unsigned char (*in8)(vx_core_t *chip, int reg);
99 unsigned int (*in32)(vx_core_t *chip, int reg);
100 void (*out8)(vx_core_t *chip, int reg, unsigned char val);
101 void (*out32)(vx_core_t *chip, int reg, unsigned int val);
102 /* irq */
103 int (*test_and_ack)(vx_core_t *chip);
104 void (*validate_irq)(vx_core_t *chip, int enable);
105 /* codec */
106 void (*write_codec)(vx_core_t *chip, int codec, unsigned int data);
107 void (*akm_write)(vx_core_t *chip, int reg, unsigned int data);
108 void (*reset_codec)(vx_core_t *chip);
109 void (*change_audio_source)(vx_core_t *chip, int src);
110 void (*set_clock_source)(vx_core_t *chp, int src);
111 /* chip init */
112 int (*load_dsp)(vx_core_t *chip, int idx, const struct firmware *fw);
113 void (*reset_dsp)(vx_core_t *chip);
114 void (*reset_board)(vx_core_t *chip, int cold_reset);
115 int (*add_controls)(vx_core_t *chip);
116 /* pcm */
117 void (*dma_write)(vx_core_t *chip, snd_pcm_runtime_t *runtime,
118 vx_pipe_t *pipe, int count);
119 void (*dma_read)(vx_core_t *chip, snd_pcm_runtime_t *runtime,
120 vx_pipe_t *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};
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 snd_vx_core {
162 /* ALSA stuff */
163 snd_card_t *card;
164 snd_pcm_t *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 snd_hwdep_t *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 semaphore mixer_mutex;
211
212 const struct firmware *firmware[4]; /* loaded firmware data */
213};
214
215
216/*
217 * constructor
218 */
219vx_core_t *snd_vx_create(snd_card_t *card, struct snd_vx_hardware *hw,
220 struct snd_vx_ops *ops, int extra_size);
221int snd_vx_setup_firmware(vx_core_t *chip);
222int snd_vx_load_boot_image(vx_core_t *chip, const struct firmware *dsp);
223int snd_vx_dsp_boot(vx_core_t *chip, const struct firmware *dsp);
224int snd_vx_dsp_load(vx_core_t *chip, const struct firmware *dsp);
225
226void snd_vx_free_firmware(vx_core_t *chip);
227
228/*
229 * interrupt handler; exported for pcmcia
230 */
231irqreturn_t snd_vx_irq_handler(int irq, void *dev, struct pt_regs *regs);
232
233/*
234 * lowlevel functions
235 */
236inline static int vx_test_and_ack(vx_core_t *chip)
237{
238 snd_assert(chip->ops->test_and_ack, return -ENXIO);
239 return chip->ops->test_and_ack(chip);
240}
241
242inline static void vx_validate_irq(vx_core_t *chip, int enable)
243{
244 snd_assert(chip->ops->validate_irq, return);
245 chip->ops->validate_irq(chip, enable);
246}
247
248inline static unsigned char snd_vx_inb(vx_core_t *chip, int reg)
249{
250 snd_assert(chip->ops->in8, return 0);
251 return chip->ops->in8(chip, reg);
252}
253
254inline static unsigned int snd_vx_inl(vx_core_t *chip, int reg)
255{
256 snd_assert(chip->ops->in32, return 0);
257 return chip->ops->in32(chip, reg);
258}
259
260inline static void snd_vx_outb(vx_core_t *chip, int reg, unsigned char val)
261{
262 snd_assert(chip->ops->out8, return);
263 chip->ops->out8(chip, reg, val);
264}
265
266inline static void snd_vx_outl(vx_core_t *chip, int reg, unsigned int val)
267{
268 snd_assert(chip->ops->out32, return);
269 chip->ops->out32(chip, reg, val);
270}
271
272#define vx_inb(chip,reg) snd_vx_inb(chip, VX_##reg)
273#define vx_outb(chip,reg,val) snd_vx_outb(chip, VX_##reg,val)
274#define vx_inl(chip,reg) snd_vx_inl(chip, VX_##reg)
275#define vx_outl(chip,reg,val) snd_vx_outl(chip, VX_##reg,val)
276
277void snd_vx_delay(vx_core_t *chip, int msec);
278
279static inline void vx_reset_dsp(vx_core_t *chip)
280{
281 snd_assert(chip->ops->reset_dsp, return);
282 chip->ops->reset_dsp(chip);
283}
284
285int vx_send_msg(vx_core_t *chip, struct vx_rmh *rmh);
286int vx_send_msg_nolock(vx_core_t *chip, struct vx_rmh *rmh);
287int vx_send_rih(vx_core_t *chip, int cmd);
288int vx_send_rih_nolock(vx_core_t *chip, int cmd);
289
290void vx_reset_codec(vx_core_t *chip, int cold_reset);
291
292/*
293 * check the bit on the specified register
294 * returns zero if a bit matches, or a negative error code.
295 * exported for vxpocket driver
296 */
297int snd_vx_check_reg_bit(vx_core_t *chip, int reg, int mask, int bit, int time);
298#define vx_check_isr(chip,mask,bit,time) snd_vx_check_reg_bit(chip, VX_ISR, mask, bit, time)
299#define vx_wait_isr_bit(chip,bit) vx_check_isr(chip, bit, bit, 200)
300#define vx_wait_for_rx_full(chip) vx_wait_isr_bit(chip, ISR_RX_FULL)
301
302
303/*
304 * pseudo-DMA transfer
305 */
306inline static void vx_pseudo_dma_write(vx_core_t *chip, snd_pcm_runtime_t *runtime,
307 vx_pipe_t *pipe, int count)
308{
309 snd_assert(chip->ops->dma_write, return);
310 chip->ops->dma_write(chip, runtime, pipe, count);
311}
312
313inline static void vx_pseudo_dma_read(vx_core_t *chip, snd_pcm_runtime_t *runtime,
314 vx_pipe_t *pipe, int count)
315{
316 snd_assert(chip->ops->dma_read, return);
317 chip->ops->dma_read(chip, runtime, pipe, count);
318}
319
320
321
322/* error with hardware code,
323 * the return value is -(VX_ERR_MASK | actual-hw-error-code)
324 */
325#define VX_ERR_MASK 0x1000000
326#define vx_get_error(err) (-(err) & ~VX_ERR_MASK)
327
328
329/*
330 * pcm stuff
331 */
332int snd_vx_pcm_new(vx_core_t *chip);
333void vx_pcm_update_intr(vx_core_t *chip, unsigned int events);
334
335/*
336 * mixer stuff
337 */
338int snd_vx_mixer_new(vx_core_t *chip);
339void vx_toggle_dac_mute(vx_core_t *chip, int mute);
340int vx_sync_audio_source(vx_core_t *chip);
341int vx_set_monitor_level(vx_core_t *chip, int audio, int level, int active);
342
343/*
344 * IEC958 & clock stuff
345 */
346void vx_set_iec958_status(vx_core_t *chip, unsigned int bits);
347int vx_set_clock(vx_core_t *chip, unsigned int freq);
348void vx_set_internal_clock(vx_core_t *chip, unsigned int freq);
349int vx_change_frequency(vx_core_t *chip);
350
351
352/*
353 * hardware constants
354 */
355
356#define vx_has_new_dsp(chip) ((chip)->type != VX_TYPE_BOARD)
357#define vx_is_pcmcia(chip) ((chip)->type >= VX_TYPE_VXPOCKET)
358
359/* audio input source */
360enum {
361 VX_AUDIO_SRC_DIGITAL,
362 VX_AUDIO_SRC_LINE,
363 VX_AUDIO_SRC_MIC
364};
365
366/* clock source */
367enum {
368 INTERNAL_QUARTZ,
369 UER_SYNC
370};
371
372/* clock mode */
373enum {
374 VX_CLOCK_MODE_AUTO, /* depending on the current audio source */
375 VX_CLOCK_MODE_INTERNAL, /* fixed to internal quartz */
376 VX_CLOCK_MODE_EXTERNAL /* fixed to UER sync */
377};
378
379/* SPDIF/UER type */
380enum {
381 VX_UER_MODE_CONSUMER,
382 VX_UER_MODE_PROFESSIONAL,
383 VX_UER_MODE_NOT_PRESENT,
384};
385
386/* register indices */
387enum {
388 VX_ICR,
389 VX_CVR,
390 VX_ISR,
391 VX_IVR,
392 VX_RXH,
393 VX_TXH = VX_RXH,
394 VX_RXM,
395 VX_TXM = VX_RXM,
396 VX_RXL,
397 VX_TXL = VX_RXL,
398 VX_DMA,
399 VX_CDSP,
400 VX_RFREQ,
401 VX_RUER_V2,
402 VX_GAIN,
403 VX_DATA = VX_GAIN,
404 VX_MEMIRQ,
405 VX_ACQ,
406 VX_BIT0,
407 VX_BIT1,
408 VX_MIC0,
409 VX_MIC1,
410 VX_MIC2,
411 VX_MIC3,
412 VX_PLX0,
413 VX_PLX1,
414 VX_PLX2,
415
416 VX_LOFREQ, // V2: ACQ, VP: RFREQ
417 VX_HIFREQ, // V2: BIT0, VP: RUER_V2
418 VX_CSUER, // V2: BIT1, VP: BIT0
419 VX_RUER, // V2: RUER_V2, VP: BIT1
420
421 VX_REG_MAX,
422
423 /* aliases for VX board */
424 VX_RESET_DMA = VX_ISR,
425 VX_CFG = VX_RFREQ,
426 VX_STATUS = VX_MEMIRQ,
427 VX_SELMIC = VX_MIC0,
428 VX_COMPOT = VX_MIC1,
429 VX_SCOMPR = VX_MIC2,
430 VX_GLIMIT = VX_MIC3,
431 VX_INTCSR = VX_PLX0,
432 VX_CNTRL = VX_PLX1,
433 VX_GPIOC = VX_PLX2,
434
435 /* aliases for VXPOCKET board */
436 VX_MICRO = VX_MEMIRQ,
437 VX_CODEC2 = VX_MEMIRQ,
438 VX_DIALOG = VX_ACQ,
439
440};
441
442/* RMH status type */
443enum {
444 RMH_SSIZE_FIXED = 0, /* status size given by the driver (in LgStat) */
445 RMH_SSIZE_ARG = 1, /* status size given in the LSB byte */
446 RMH_SSIZE_MASK = 2, /* status size given in bitmask */
447};
448
449
450/* bits for ICR register */
451#define ICR_HF1 0x10
452#define ICR_HF0 0x08
453#define ICR_TREQ 0x02 /* Interrupt mode + HREQ set on for transfer (->DSP) request */
454#define ICR_RREQ 0x01 /* Interrupt mode + RREQ set on for transfer (->PC) request */
455
456/* bits for CVR register */
457#define CVR_HC 0x80
458
459/* bits for ISR register */
460#define ISR_HF3 0x10
461#define ISR_HF2 0x08
462#define ISR_CHK 0x10
463#define ISR_ERR 0x08
464#define ISR_TX_READY 0x04
465#define ISR_TX_EMPTY 0x02
466#define ISR_RX_FULL 0x01
467
468/* Constants used to access the DATA register */
469#define VX_DATA_CODEC_MASK 0x80
470#define VX_DATA_XICOR_MASK 0x80
471
472/* Constants used to access the CSUER register (both for VX2 and VXP) */
473#define VX_SUER_FREQ_MASK 0x0c
474#define VX_SUER_FREQ_32KHz_MASK 0x0c
475#define VX_SUER_FREQ_44KHz_MASK 0x00
476#define VX_SUER_FREQ_48KHz_MASK 0x04
477#define VX_SUER_DATA_PRESENT_MASK 0x02
478#define VX_SUER_CLOCK_PRESENT_MASK 0x01
479
480#define VX_CUER_HH_BITC_SEL_MASK 0x08
481#define VX_CUER_MH_BITC_SEL_MASK 0x04
482#define VX_CUER_ML_BITC_SEL_MASK 0x02
483#define VX_CUER_LL_BITC_SEL_MASK 0x01
484
485#define XX_UER_CBITS_OFFSET_MASK 0x1f
486
487
488/* bits for audio_info */
489#define VX_AUDIO_INFO_REAL_TIME (1<<0) /* real-time processing available */
490#define VX_AUDIO_INFO_OFFLINE (1<<1) /* offline processing available */
491#define VX_AUDIO_INFO_MPEG1 (1<<5)
492#define VX_AUDIO_INFO_MPEG2 (1<<6)
493#define VX_AUDIO_INFO_LINEAR_8 (1<<7)
494#define VX_AUDIO_INFO_LINEAR_16 (1<<8)
495#define VX_AUDIO_INFO_LINEAR_24 (1<<9)
496
497/* DSP Interrupt Request values */
498#define VXP_IRQ_OFFSET 0x40 /* add 0x40 offset for vxpocket and vx222/v2 */
499/* call with vx_send_irq_dsp() */
500#define IRQ_MESS_WRITE_END 0x30
501#define IRQ_MESS_WRITE_NEXT 0x32
502#define IRQ_MESS_READ_NEXT 0x34
503#define IRQ_MESS_READ_END 0x36
504#define IRQ_MESSAGE 0x38
505#define IRQ_RESET_CHK 0x3A
506#define IRQ_CONNECT_STREAM_NEXT 0x26
507#define IRQ_CONNECT_STREAM_END 0x28
508#define IRQ_PAUSE_START_CONNECT 0x2A
509#define IRQ_END_CONNECTION 0x2C
510
511/* Is there async. events pending ( IT Source Test ) */
512#define ASYNC_EVENTS_PENDING 0x008000
513#define HBUFFER_EVENTS_PENDING 0x004000 // Not always accurate
514#define NOTIF_EVENTS_PENDING 0x002000
515#define TIME_CODE_EVENT_PENDING 0x001000
516#define FREQUENCY_CHANGE_EVENT_PENDING 0x000800
517#define END_OF_BUFFER_EVENTS_PENDING 0x000400
518#define FATAL_DSP_ERROR 0xff0000
519
520/* Stream Format Header Defines */
521#define HEADER_FMT_BASE 0xFED00000
522#define HEADER_FMT_MONO 0x000000C0
523#define HEADER_FMT_INTEL 0x00008000
524#define HEADER_FMT_16BITS 0x00002000
525#define HEADER_FMT_24BITS 0x00004000
526#define HEADER_FMT_UPTO11 0x00000200 /* frequency is less or equ. to 11k.*/
527#define HEADER_FMT_UPTO32 0x00000100 /* frequency is over 11k and less then 32k.*/
528
529/* Constants used to access the Codec */
530#define XX_CODEC_SELECTOR 0x20
531/* codec commands */
532#define XX_CODEC_ADC_CONTROL_REGISTER 0x01
533#define XX_CODEC_DAC_CONTROL_REGISTER 0x02
534#define XX_CODEC_LEVEL_LEFT_REGISTER 0x03
535#define XX_CODEC_LEVEL_RIGHT_REGISTER 0x04
536#define XX_CODEC_PORT_MODE_REGISTER 0x05
537#define XX_CODEC_STATUS_REPORT_REGISTER 0x06
538#define XX_CODEC_CLOCK_CONTROL_REGISTER 0x07
539
540/*
541 * Audio-level control values
542 */
543#define CVAL_M110DB 0x000 /* -110dB */
544#define CVAL_M99DB 0x02C
545#define CVAL_M21DB 0x163
546#define CVAL_M18DB 0x16F
547#define CVAL_M10DB 0x18F
548#define CVAL_0DB 0x1B7
549#define CVAL_18DB 0x1FF /* +18dB */
550#define CVAL_MAX 0x1FF
551
552#define AUDIO_IO_HAS_MUTE_LEVEL 0x400000
553#define AUDIO_IO_HAS_MUTE_MONITORING_1 0x200000
554#define AUDIO_IO_HAS_MUTE_MONITORING_2 0x100000
555#define VALID_AUDIO_IO_DIGITAL_LEVEL 0x01
556#define VALID_AUDIO_IO_MONITORING_LEVEL 0x02
557#define VALID_AUDIO_IO_MUTE_LEVEL 0x04
558#define VALID_AUDIO_IO_MUTE_MONITORING_1 0x08
559#define VALID_AUDIO_IO_MUTE_MONITORING_2 0x10
560
561
562#endif /* __SOUND_VX_COMMON_H */