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[mirror_ubuntu-bionic-kernel.git] / sound / pci / emu10k1 / emu10k1x.c
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1da177e4
LT		 1/*
2 * Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
3 * Driver EMU10K1X chips
4 *
5 * Parts of this code were adapted from audigyls.c driver which is
6 * Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
7 *
8 * BUGS:
9 * --
10 *
11 * TODO:
12 *
13 * Chips (SB0200 model):
14 * - EMU10K1X-DBQ
15 * - STAC 9708T
16 *
17 * This program is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License as published by
19 * the Free Software Foundation; either version 2 of the License, or
20 * (at your option) any later version.
21 *
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
26 *
27 * You should have received a copy of the GNU General Public License
28 * along with this program; if not, write to the Free Software
29 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30 *
31 */
32#include <sound/driver.h>
33#include <linux/init.h>
34#include <linux/interrupt.h>
35#include <linux/pci.h>
36#include <linux/slab.h>
37#include <linux/moduleparam.h>
38#include <sound/core.h>
39#include <sound/initval.h>
40#include <sound/pcm.h>
41#include <sound/ac97_codec.h>
42#include <sound/info.h>
43#include <sound/rawmidi.h>
44
45MODULE_AUTHOR("Francisco Moraes <fmoraes@nc.rr.com>");
46MODULE_DESCRIPTION("EMU10K1X");
47MODULE_LICENSE("GPL");
48MODULE_SUPPORTED_DEVICE("{{Dell Creative Labs,SB Live!}");
49
50// module parameters (see "Module Parameters")
51static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
52static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
53static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
54
55module_param_array(index, int, NULL, 0444);
56MODULE_PARM_DESC(index, "Index value for the EMU10K1X soundcard.");
57module_param_array(id, charp, NULL, 0444);
58MODULE_PARM_DESC(id, "ID string for the EMU10K1X soundcard.");
59module_param_array(enable, bool, NULL, 0444);
60MODULE_PARM_DESC(enable, "Enable the EMU10K1X soundcard.");
61
62
63// some definitions were borrowed from emu10k1 driver as they seem to be the same
64/************************************************************************************************/
65/* PCI function 0 registers, address = <val> + PCIBASE0 */
66/************************************************************************************************/
67
68#define PTR 0x00 /* Indexed register set pointer register */
69 /* NOTE: The CHANNELNUM and ADDRESS words can */
70 /* be modified independently of each other. */
71
72#define DATA 0x04 /* Indexed register set data register */
73
74#define IPR 0x08 /* Global interrupt pending register */
75 /* Clear pending interrupts by writing a 1 to */
76 /* the relevant bits and zero to the other bits */
77#define IPR_MIDITRANSBUFEMPTY 0x00000001 /* MIDI UART transmit buffer empty */
78#define IPR_MIDIRECVBUFEMPTY 0x00000002 /* MIDI UART receive buffer empty */
79#define IPR_CH_0_LOOP 0x00000800 /* Channel 0 loop */
80#define IPR_CH_0_HALF_LOOP 0x00000100 /* Channel 0 half loop */
81#define IPR_CAP_0_LOOP 0x00080000 /* Channel capture loop */
82#define IPR_CAP_0_HALF_LOOP 0x00010000 /* Channel capture half loop */
83
84#define INTE 0x0c /* Interrupt enable register */
85#define INTE_MIDITXENABLE 0x00000001 /* Enable MIDI transmit-buffer-empty interrupts */
86#define INTE_MIDIRXENABLE 0x00000002 /* Enable MIDI receive-buffer-empty interrupts */
87#define INTE_CH_0_LOOP 0x00000800 /* Channel 0 loop */
88#define INTE_CH_0_HALF_LOOP 0x00000100 /* Channel 0 half loop */
89#define INTE_CAP_0_LOOP 0x00080000 /* Channel capture loop */
90#define INTE_CAP_0_HALF_LOOP 0x00010000 /* Channel capture half loop */
91
92#define HCFG 0x14 /* Hardware config register */
93
94#define HCFG_LOCKSOUNDCACHE 0x00000008 /* 1 = Cancel bustmaster accesses to soundcache */
95 /* NOTE: This should generally never be used. */
96#define HCFG_AUDIOENABLE 0x00000001 /* 0 = CODECs transmit zero-valued samples */
97 /* Should be set to 1 when the EMU10K1 is */
98 /* completely initialized. */
99#define GPIO 0x18 /* Defaults: 00001080-Analog, 00001000-SPDIF. */
100
101
102#define AC97DATA 0x1c /* AC97 register set data register (16 bit) */
103
104#define AC97ADDRESS 0x1e /* AC97 register set address register (8 bit) */
105
106/********************************************************************************************************/
107/* Emu10k1x pointer-offset register set, accessed through the PTR and DATA registers */
108/********************************************************************************************************/
109#define PLAYBACK_LIST_ADDR 0x00 /* Base DMA address of a list of pointers to each period/size */
110 /* One list entry: 4 bytes for DMA address,
111 * 4 bytes for period_size << 16.
112 * One list entry is 8 bytes long.
113 * One list entry for each period in the buffer.
114 */
115#define PLAYBACK_LIST_SIZE 0x01 /* Size of list in bytes << 16. E.g. 8 periods -> 0x00380000 */
116#define PLAYBACK_LIST_PTR 0x02 /* Pointer to the current period being played */
117#define PLAYBACK_DMA_ADDR 0x04 /* Playback DMA addresss */
118#define PLAYBACK_PERIOD_SIZE 0x05 /* Playback period size */
119#define PLAYBACK_POINTER 0x06 /* Playback period pointer. Sample currently in DAC */
120#define PLAYBACK_UNKNOWN1 0x07
121#define PLAYBACK_UNKNOWN2 0x08
122
123/* Only one capture channel supported */
124#define CAPTURE_DMA_ADDR 0x10 /* Capture DMA address */
125#define CAPTURE_BUFFER_SIZE 0x11 /* Capture buffer size */
126#define CAPTURE_POINTER 0x12 /* Capture buffer pointer. Sample currently in ADC */
127#define CAPTURE_UNKNOWN 0x13
128
129/* From 0x20 - 0x3f, last samples played on each channel */
130
131#define TRIGGER_CHANNEL 0x40 /* Trigger channel playback */
132#define TRIGGER_CHANNEL_0 0x00000001 /* Trigger channel 0 */
133#define TRIGGER_CHANNEL_1 0x00000002 /* Trigger channel 1 */
134#define TRIGGER_CHANNEL_2 0x00000004 /* Trigger channel 2 */
135#define TRIGGER_CAPTURE 0x00000100 /* Trigger capture channel */
136
137#define ROUTING 0x41 /* Setup sound routing ? */
138#define ROUTING_FRONT_LEFT 0x00000001
139#define ROUTING_FRONT_RIGHT 0x00000002
140#define ROUTING_REAR_LEFT 0x00000004
141#define ROUTING_REAR_RIGHT 0x00000008
142#define ROUTING_CENTER_LFE 0x00010000
143
144#define SPCS0 0x42 /* SPDIF output Channel Status 0 register */
145
146#define SPCS1 0x43 /* SPDIF output Channel Status 1 register */
147
148#define SPCS2 0x44 /* SPDIF output Channel Status 2 register */
149
150#define SPCS_CLKACCYMASK 0x30000000 /* Clock accuracy */
151#define SPCS_CLKACCY_1000PPM 0x00000000 /* 1000 parts per million */
152#define SPCS_CLKACCY_50PPM 0x10000000 /* 50 parts per million */
153#define SPCS_CLKACCY_VARIABLE 0x20000000 /* Variable accuracy */
154#define SPCS_SAMPLERATEMASK 0x0f000000 /* Sample rate */
155#define SPCS_SAMPLERATE_44 0x00000000 /* 44.1kHz sample rate */
156#define SPCS_SAMPLERATE_48 0x02000000 /* 48kHz sample rate */
157#define SPCS_SAMPLERATE_32 0x03000000 /* 32kHz sample rate */
158#define SPCS_CHANNELNUMMASK 0x00f00000 /* Channel number */
159#define SPCS_CHANNELNUM_UNSPEC 0x00000000 /* Unspecified channel number */
160#define SPCS_CHANNELNUM_LEFT 0x00100000 /* Left channel */
161#define SPCS_CHANNELNUM_RIGHT 0x00200000 /* Right channel */
162#define SPCS_SOURCENUMMASK 0x000f0000 /* Source number */
163#define SPCS_SOURCENUM_UNSPEC 0x00000000 /* Unspecified source number */
164#define SPCS_GENERATIONSTATUS 0x00008000 /* Originality flag (see IEC-958 spec) */
165#define SPCS_CATEGORYCODEMASK 0x00007f00 /* Category code (see IEC-958 spec) */
166#define SPCS_MODEMASK 0x000000c0 /* Mode (see IEC-958 spec) */
167#define SPCS_EMPHASISMASK 0x00000038 /* Emphasis */
168#define SPCS_EMPHASIS_NONE 0x00000000 /* No emphasis */
169#define SPCS_EMPHASIS_50_15 0x00000008 /* 50/15 usec 2 channel */
170#define SPCS_COPYRIGHT 0x00000004 /* Copyright asserted flag -- do not modify */
171#define SPCS_NOTAUDIODATA 0x00000002 /* 0 = Digital audio, 1 = not audio */
172#define SPCS_PROFESSIONAL 0x00000001 /* 0 = Consumer (IEC-958), 1 = pro (AES3-1992) */
173
174#define SPDIF_SELECT 0x45 /* Enables SPDIF or Analogue outputs 0-Analogue, 0x700-SPDIF */
175
176/* This is the MPU port on the card */
177#define MUDATA 0x47
178#define MUCMD 0x48
179#define MUSTAT MUCMD
180
181/* From 0x50 - 0x5f, last samples captured */
182
183/**
184 * The hardware has 3 channels for playback and 1 for capture.
185 * - channel 0 is the front channel
186 * - channel 1 is the rear channel
187 * - channel 2 is the center/lfe chanel
188 * Volume is controlled by the AC97 for the front and rear channels by
189 * the PCM Playback Volume, Sigmatel Surround Playback Volume and
190 * Surround Playback Volume. The Sigmatel 4-Speaker Stereo switch affects
191 * the front/rear channel mixing in the REAR OUT jack. When using the
192 * 4-Speaker Stereo, both front and rear channels will be mixed in the
193 * REAR OUT.
194 * The center/lfe channel has no volume control and cannot be muted during
195 * playback.
196 */
197
198typedef struct snd_emu10k1x_voice emu10k1x_voice_t;
199typedef struct snd_emu10k1x emu10k1x_t;
200typedef struct snd_emu10k1x_pcm emu10k1x_pcm_t;
201
202struct snd_emu10k1x_voice {
203 emu10k1x_t *emu;
204 int number;
205 int use;
206
207 emu10k1x_pcm_t *epcm;
208};
209
210struct snd_emu10k1x_pcm {
211 emu10k1x_t *emu;
212 snd_pcm_substream_t *substream;
213 emu10k1x_voice_t *voice;
214 unsigned short running;
215};
216
217typedef struct {
218 struct snd_emu10k1x *emu;
219 snd_rawmidi_t *rmidi;
220 snd_rawmidi_substream_t *substream_input;
221 snd_rawmidi_substream_t *substream_output;
222 unsigned int midi_mode;
223 spinlock_t input_lock;
224 spinlock_t output_lock;
225 spinlock_t open_lock;
226 int tx_enable, rx_enable;
227 int port;
228 int ipr_tx, ipr_rx;
229 void (*interrupt)(emu10k1x_t *emu, unsigned int status);
230} emu10k1x_midi_t;
231
232// definition of the chip-specific record
233struct snd_emu10k1x {
234 snd_card_t *card;
235 struct pci_dev *pci;
236
237 unsigned long port;
238 struct resource *res_port;
239 int irq;
240
241 unsigned int revision; /* chip revision */
242 unsigned int serial; /* serial number */
243 unsigned short model; /* subsystem id */
244
245 spinlock_t emu_lock;
246 spinlock_t voice_lock;
247
248 ac97_t *ac97;
249 snd_pcm_t *pcm;
250
251 emu10k1x_voice_t voices[3];
252 emu10k1x_voice_t capture_voice;
253 u32 spdif_bits[3]; // SPDIF out setup
254
255 struct snd_dma_buffer dma_buffer;
256
257 emu10k1x_midi_t midi;
258};
259
260/* hardware definition */
261static snd_pcm_hardware_t snd_emu10k1x_playback_hw = {
262 .info = (SNDRV_PCM_INFO_MMAP |
263 SNDRV_PCM_INFO_INTERLEAVED |
264 SNDRV_PCM_INFO_BLOCK_TRANSFER |
265 SNDRV_PCM_INFO_MMAP_VALID),
266 .formats = SNDRV_PCM_FMTBIT_S16_LE,
267 .rates = SNDRV_PCM_RATE_48000,
268 .rate_min = 48000,
269 .rate_max = 48000,
270 .channels_min = 2,
271 .channels_max = 2,
272 .buffer_bytes_max = (32*1024),
273 .period_bytes_min = 64,
274 .period_bytes_max = (16*1024),
275 .periods_min = 2,
276 .periods_max = 8,
277 .fifo_size = 0,
278};
279
280static snd_pcm_hardware_t snd_emu10k1x_capture_hw = {
281 .info = (SNDRV_PCM_INFO_MMAP |
282 SNDRV_PCM_INFO_INTERLEAVED |
283 SNDRV_PCM_INFO_BLOCK_TRANSFER |
284 SNDRV_PCM_INFO_MMAP_VALID),
285 .formats = SNDRV_PCM_FMTBIT_S16_LE,
286 .rates = SNDRV_PCM_RATE_48000,
287 .rate_min = 48000,
288 .rate_max = 48000,
289 .channels_min = 2,
290 .channels_max = 2,
291 .buffer_bytes_max = (32*1024),
292 .period_bytes_min = 64,
293 .period_bytes_max = (16*1024),
294 .periods_min = 2,
295 .periods_max = 2,
296 .fifo_size = 0,
297};
298
299static unsigned int snd_emu10k1x_ptr_read(emu10k1x_t * emu,
300 unsigned int reg,
301 unsigned int chn)
302{
303 unsigned long flags;
304 unsigned int regptr, val;
305
306 regptr = (reg << 16) | chn;
307
308 spin_lock_irqsave(&emu->emu_lock, flags);
309 outl(regptr, emu->port + PTR);
310 val = inl(emu->port + DATA);
311 spin_unlock_irqrestore(&emu->emu_lock, flags);
312 return val;
313}
314
315static void snd_emu10k1x_ptr_write(emu10k1x_t *emu,
316 unsigned int reg,
317 unsigned int chn,
318 unsigned int data)
319{
320 unsigned int regptr;
321 unsigned long flags;
322
323 regptr = (reg << 16) | chn;
324
325 spin_lock_irqsave(&emu->emu_lock, flags);
326 outl(regptr, emu->port + PTR);
327 outl(data, emu->port + DATA);
328 spin_unlock_irqrestore(&emu->emu_lock, flags);
329}
330
331static void snd_emu10k1x_intr_enable(emu10k1x_t *emu, unsigned int intrenb)
332{
333 unsigned long flags;
334 unsigned int enable;
335
336 spin_lock_irqsave(&emu->emu_lock, flags);
337 enable = inl(emu->port + INTE) | intrenb;
338 outl(enable, emu->port + INTE);
339 spin_unlock_irqrestore(&emu->emu_lock, flags);
340}
341
342static void snd_emu10k1x_intr_disable(emu10k1x_t *emu, unsigned int intrenb)
343{
344 unsigned long flags;
345 unsigned int enable;
346
347 spin_lock_irqsave(&emu->emu_lock, flags);
348 enable = inl(emu->port + INTE) & ~intrenb;
349 outl(enable, emu->port + INTE);
350 spin_unlock_irqrestore(&emu->emu_lock, flags);
351}
352
353static void snd_emu10k1x_gpio_write(emu10k1x_t *emu, unsigned int value)
354{
355 unsigned long flags;
356
357 spin_lock_irqsave(&emu->emu_lock, flags);
358 outl(value, emu->port + GPIO);
359 spin_unlock_irqrestore(&emu->emu_lock, flags);
360}
361
362static void snd_emu10k1x_pcm_free_substream(snd_pcm_runtime_t *runtime)
363{
4d572776 364 kfree(runtime->private_data);
1da177e4
LT		 365}
366
367static void snd_emu10k1x_pcm_interrupt(emu10k1x_t *emu, emu10k1x_voice_t *voice)
368{
369 emu10k1x_pcm_t *epcm;
370
371 if ((epcm = voice->epcm) == NULL)
372 return;
373 if (epcm->substream == NULL)
374 return;
375#if 0
376 snd_printk(KERN_INFO "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
377 epcm->substream->ops->pointer(epcm->substream),
378 snd_pcm_lib_period_bytes(epcm->substream),
379 snd_pcm_lib_buffer_bytes(epcm->substream));
380#endif
381 snd_pcm_period_elapsed(epcm->substream);
382}
383
384/* open callback */
385static int snd_emu10k1x_playback_open(snd_pcm_substream_t *substream)
386{
387 emu10k1x_t *chip = snd_pcm_substream_chip(substream);
388 emu10k1x_pcm_t *epcm;
389 snd_pcm_runtime_t *runtime = substream->runtime;
390 int err;
391
392 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
393 return err;
394 }
395 if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0)
396 return err;
397
e560d8d8 398 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1da177e4
LT		 399 if (epcm == NULL)
400 return -ENOMEM;
401 epcm->emu = chip;
402 epcm->substream = substream;
403
404 runtime->private_data = epcm;
405 runtime->private_free = snd_emu10k1x_pcm_free_substream;
406
407 runtime->hw = snd_emu10k1x_playback_hw;
408
409 return 0;
410}
411
412/* close callback */
413static int snd_emu10k1x_playback_close(snd_pcm_substream_t *substream)
414{
415 return 0;
416}
417
418/* hw_params callback */
419static int snd_emu10k1x_pcm_hw_params(snd_pcm_substream_t *substream,
420 snd_pcm_hw_params_t * hw_params)
421{
422 snd_pcm_runtime_t *runtime = substream->runtime;
423 emu10k1x_pcm_t *epcm = runtime->private_data;
424
425 if (! epcm->voice) {
426 epcm->voice = &epcm->emu->voices[substream->pcm->device];
427 epcm->voice->use = 1;
428 epcm->voice->epcm = epcm;
429 }
430
431 return snd_pcm_lib_malloc_pages(substream,
432 params_buffer_bytes(hw_params));
433}
434
435/* hw_free callback */
436static int snd_emu10k1x_pcm_hw_free(snd_pcm_substream_t *substream)
437{
438 snd_pcm_runtime_t *runtime = substream->runtime;
439 emu10k1x_pcm_t *epcm;
440
441 if (runtime->private_data == NULL)
442 return 0;
443
444 epcm = runtime->private_data;
445
446 if (epcm->voice) {
447 epcm->voice->use = 0;
448 epcm->voice->epcm = NULL;
449 epcm->voice = NULL;
450 }
451
452 return snd_pcm_lib_free_pages(substream);
453}
454
455/* prepare callback */
456static int snd_emu10k1x_pcm_prepare(snd_pcm_substream_t *substream)
457{
458 emu10k1x_t *emu = snd_pcm_substream_chip(substream);
459 snd_pcm_runtime_t *runtime = substream->runtime;
460 emu10k1x_pcm_t *epcm = runtime->private_data;
461 int voice = epcm->voice->number;
462 u32 *table_base = (u32 *)(emu->dma_buffer.area+1024*voice);
463 u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size);
464 int i;
465
466 for(i=0; i < runtime->periods; i++) {
467 *table_base++=runtime->dma_addr+(i*period_size_bytes);
468 *table_base++=period_size_bytes<<16;
469 }
470
471 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_ADDR, voice, emu->dma_buffer.addr+1024*voice);
472 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_SIZE, voice, (runtime->periods - 1) << 19);
473 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_PTR, voice, 0);
474 snd_emu10k1x_ptr_write(emu, PLAYBACK_POINTER, voice, 0);
475 snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN1, voice, 0);
476 snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN2, voice, 0);
477 snd_emu10k1x_ptr_write(emu, PLAYBACK_DMA_ADDR, voice, runtime->dma_addr);
478
479 snd_emu10k1x_ptr_write(emu, PLAYBACK_PERIOD_SIZE, voice, frames_to_bytes(runtime, runtime->period_size)<<16);
480
481 return 0;
482}
483
484/* trigger callback */
485static int snd_emu10k1x_pcm_trigger(snd_pcm_substream_t *substream,
486 int cmd)
487{
488 emu10k1x_t *emu = snd_pcm_substream_chip(substream);
489 snd_pcm_runtime_t *runtime = substream->runtime;
490 emu10k1x_pcm_t *epcm = runtime->private_data;
491 int channel = epcm->voice->number;
492 int result = 0;
493
494// snd_printk(KERN_INFO "trigger - emu10k1x = 0x%x, cmd = %i, pointer = %d\n", (int)emu, cmd, (int)substream->ops->pointer(substream));
495
496 switch (cmd) {
497 case SNDRV_PCM_TRIGGER_START:
498 if(runtime->periods == 2)
499 snd_emu10k1x_intr_enable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel);
500 else
501 snd_emu10k1x_intr_enable(emu, INTE_CH_0_LOOP << channel);
502 epcm->running = 1;
503 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|(TRIGGER_CHANNEL_0<<channel));
504 break;
505 case SNDRV_PCM_TRIGGER_STOP:
506 epcm->running = 0;
507 snd_emu10k1x_intr_disable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel);
508 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CHANNEL_0<<channel));
509 break;
510 default:
511 result = -EINVAL;
512 break;
513 }
514 return result;
515}
516
517/* pointer callback */
518static snd_pcm_uframes_t
519snd_emu10k1x_pcm_pointer(snd_pcm_substream_t *substream)
520{
521 emu10k1x_t *emu = snd_pcm_substream_chip(substream);
522 snd_pcm_runtime_t *runtime = substream->runtime;
523 emu10k1x_pcm_t *epcm = runtime->private_data;
524 int channel = epcm->voice->number;
525 snd_pcm_uframes_t ptr = 0, ptr1 = 0, ptr2= 0,ptr3 = 0,ptr4 = 0;
526
527 if (!epcm->running)
528 return 0;
529
530 ptr3 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel);
531 ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel);
532 ptr4 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel);
533
534 if(ptr4 == 0 && ptr1 == frames_to_bytes(runtime, runtime->buffer_size))
535 return 0;
536
537 if (ptr3 != ptr4)
538 ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel);
539 ptr2 = bytes_to_frames(runtime, ptr1);
540 ptr2 += (ptr4 >> 3) * runtime->period_size;
541 ptr = ptr2;
542
543 if (ptr >= runtime->buffer_size)
544 ptr -= runtime->buffer_size;
545
546 return ptr;
547}
548
549/* operators */
550static snd_pcm_ops_t snd_emu10k1x_playback_ops = {
551 .open = snd_emu10k1x_playback_open,
552 .close = snd_emu10k1x_playback_close,
553 .ioctl = snd_pcm_lib_ioctl,
554 .hw_params = snd_emu10k1x_pcm_hw_params,
555 .hw_free = snd_emu10k1x_pcm_hw_free,
556 .prepare = snd_emu10k1x_pcm_prepare,
557 .trigger = snd_emu10k1x_pcm_trigger,
558 .pointer = snd_emu10k1x_pcm_pointer,
559};
560
561/* open_capture callback */
562static int snd_emu10k1x_pcm_open_capture(snd_pcm_substream_t *substream)
563{
564 emu10k1x_t *chip = snd_pcm_substream_chip(substream);
565 emu10k1x_pcm_t *epcm;
566 snd_pcm_runtime_t *runtime = substream->runtime;
567 int err;
568
569 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
570 return err;
571 if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0)
572 return err;
573
e560d8d8 574 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1da177e4
LT		 575 if (epcm == NULL)
576 return -ENOMEM;
577
578 epcm->emu = chip;
579 epcm->substream = substream;
580
581 runtime->private_data = epcm;
582 runtime->private_free = snd_emu10k1x_pcm_free_substream;
583
584 runtime->hw = snd_emu10k1x_capture_hw;
585
586 return 0;
587}
588
589/* close callback */
590static int snd_emu10k1x_pcm_close_capture(snd_pcm_substream_t *substream)
591{
592 return 0;
593}
594
595/* hw_params callback */
596static int snd_emu10k1x_pcm_hw_params_capture(snd_pcm_substream_t *substream,
597 snd_pcm_hw_params_t * hw_params)
598{
599 snd_pcm_runtime_t *runtime = substream->runtime;
600 emu10k1x_pcm_t *epcm = runtime->private_data;
601
602 if (! epcm->voice) {
603 if (epcm->emu->capture_voice.use)
604 return -EBUSY;
605 epcm->voice = &epcm->emu->capture_voice;
606 epcm->voice->epcm = epcm;
607 epcm->voice->use = 1;
608 }
609
610 return snd_pcm_lib_malloc_pages(substream,
611 params_buffer_bytes(hw_params));
612}
613
614/* hw_free callback */
615static int snd_emu10k1x_pcm_hw_free_capture(snd_pcm_substream_t *substream)
616{
617 snd_pcm_runtime_t *runtime = substream->runtime;
618
619 emu10k1x_pcm_t *epcm;
620
621 if (runtime->private_data == NULL)
622 return 0;
623 epcm = runtime->private_data;
624
625 if (epcm->voice) {
626 epcm->voice->use = 0;
627 epcm->voice->epcm = NULL;
628 epcm->voice = NULL;
629 }
630
631 return snd_pcm_lib_free_pages(substream);
632}
633
634/* prepare capture callback */
635static int snd_emu10k1x_pcm_prepare_capture(snd_pcm_substream_t *substream)
636{
637 emu10k1x_t *emu = snd_pcm_substream_chip(substream);
638 snd_pcm_runtime_t *runtime = substream->runtime;
639
640 snd_emu10k1x_ptr_write(emu, CAPTURE_DMA_ADDR, 0, runtime->dma_addr);
641 snd_emu10k1x_ptr_write(emu, CAPTURE_BUFFER_SIZE, 0, frames_to_bytes(runtime, runtime->buffer_size)<<16); // buffer size in bytes
642 snd_emu10k1x_ptr_write(emu, CAPTURE_POINTER, 0, 0);
643 snd_emu10k1x_ptr_write(emu, CAPTURE_UNKNOWN, 0, 0);
644
645 return 0;
646}
647
648/* trigger_capture callback */
649static int snd_emu10k1x_pcm_trigger_capture(snd_pcm_substream_t *substream,
650 int cmd)
651{
652 emu10k1x_t *emu = snd_pcm_substream_chip(substream);
653 snd_pcm_runtime_t *runtime = substream->runtime;
654 emu10k1x_pcm_t *epcm = runtime->private_data;
655 int result = 0;
656
657 switch (cmd) {
658 case SNDRV_PCM_TRIGGER_START:
659 snd_emu10k1x_intr_enable(emu, INTE_CAP_0_LOOP |
660 INTE_CAP_0_HALF_LOOP);
661 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|TRIGGER_CAPTURE);
662 epcm->running = 1;
663 break;
664 case SNDRV_PCM_TRIGGER_STOP:
665 epcm->running = 0;
666 snd_emu10k1x_intr_disable(emu, INTE_CAP_0_LOOP |
667 INTE_CAP_0_HALF_LOOP);
668 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CAPTURE));
669 break;
670 default:
671 result = -EINVAL;
672 break;
673 }
674 return result;
675}
676
677/* pointer_capture callback */
678static snd_pcm_uframes_t
679snd_emu10k1x_pcm_pointer_capture(snd_pcm_substream_t *substream)
680{
681 emu10k1x_t *emu = snd_pcm_substream_chip(substream);
682 snd_pcm_runtime_t *runtime = substream->runtime;
683 emu10k1x_pcm_t *epcm = runtime->private_data;
684 snd_pcm_uframes_t ptr;
685
686 if (!epcm->running)
687 return 0;
688
689 ptr = bytes_to_frames(runtime, snd_emu10k1x_ptr_read(emu, CAPTURE_POINTER, 0));
690 if (ptr >= runtime->buffer_size)
691 ptr -= runtime->buffer_size;
692
693 return ptr;
694}
695
696static snd_pcm_ops_t snd_emu10k1x_capture_ops = {
697 .open = snd_emu10k1x_pcm_open_capture,
698 .close = snd_emu10k1x_pcm_close_capture,
699 .ioctl = snd_pcm_lib_ioctl,
700 .hw_params = snd_emu10k1x_pcm_hw_params_capture,
701 .hw_free = snd_emu10k1x_pcm_hw_free_capture,
702 .prepare = snd_emu10k1x_pcm_prepare_capture,
703 .trigger = snd_emu10k1x_pcm_trigger_capture,
704 .pointer = snd_emu10k1x_pcm_pointer_capture,
705};
706
707static unsigned short snd_emu10k1x_ac97_read(ac97_t *ac97,
708 unsigned short reg)
709{
710 emu10k1x_t *emu = ac97->private_data;
711 unsigned long flags;
712 unsigned short val;
713
714 spin_lock_irqsave(&emu->emu_lock, flags);
715 outb(reg, emu->port + AC97ADDRESS);
716 val = inw(emu->port + AC97DATA);
717 spin_unlock_irqrestore(&emu->emu_lock, flags);
718 return val;
719}
720
721static void snd_emu10k1x_ac97_write(ac97_t *ac97,
722 unsigned short reg, unsigned short val)
723{
724 emu10k1x_t *emu = ac97->private_data;
725 unsigned long flags;
726
727 spin_lock_irqsave(&emu->emu_lock, flags);
728 outb(reg, emu->port + AC97ADDRESS);
729 outw(val, emu->port + AC97DATA);
730 spin_unlock_irqrestore(&emu->emu_lock, flags);
731}
732
733static int snd_emu10k1x_ac97(emu10k1x_t *chip)
734{
735 ac97_bus_t *pbus;
736 ac97_template_t ac97;
737 int err;
738 static ac97_bus_ops_t ops = {
739 .write = snd_emu10k1x_ac97_write,
740 .read = snd_emu10k1x_ac97_read,
741 };
742
743 if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0)
744 return err;
745 pbus->no_vra = 1; /* we don't need VRA */
746
747 memset(&ac97, 0, sizeof(ac97));
748 ac97.private_data = chip;
749 ac97.scaps = AC97_SCAP_NO_SPDIF;
750 return snd_ac97_mixer(pbus, &ac97, &chip->ac97);
751}
752
753static int snd_emu10k1x_free(emu10k1x_t *chip)
754{
755 snd_emu10k1x_ptr_write(chip, TRIGGER_CHANNEL, 0, 0);
756 // disable interrupts
757 outl(0, chip->port + INTE);
758 // disable audio
759 outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG);
760
761 // release the i/o port
b1d5776d
TI		 762 release_and_free_resource(chip->res_port);
763
1da177e4
LT		 764 // release the irq
765 if (chip->irq >= 0)
766 free_irq(chip->irq, (void *)chip);
767
768 // release the DMA
769 if (chip->dma_buffer.area) {
770 snd_dma_free_pages(&chip->dma_buffer);
771 }
772
773 pci_disable_device(chip->pci);
774
775 // release the data
776 kfree(chip);
777 return 0;
778}
779
780static int snd_emu10k1x_dev_free(snd_device_t *device)
781{
782 emu10k1x_t *chip = device->device_data;
783 return snd_emu10k1x_free(chip);
784}
785
786static irqreturn_t snd_emu10k1x_interrupt(int irq, void *dev_id,
787 struct pt_regs *regs)
788{
789 unsigned int status;
790
791 emu10k1x_t *chip = dev_id;
792 emu10k1x_voice_t *pvoice = chip->voices;
793 int i;
794 int mask;
795
796 status = inl(chip->port + IPR);
797
798 if(status) {
799 // capture interrupt
800 if(status & (IPR_CAP_0_LOOP | IPR_CAP_0_HALF_LOOP)) {
801 emu10k1x_voice_t *pvoice = &chip->capture_voice;
802 if(pvoice->use)
803 snd_emu10k1x_pcm_interrupt(chip, pvoice);
804 else
805 snd_emu10k1x_intr_disable(chip,
806 INTE_CAP_0_LOOP |
807 INTE_CAP_0_HALF_LOOP);
808 }
809
810 mask = IPR_CH_0_LOOP|IPR_CH_0_HALF_LOOP;
811 for(i = 0; i < 3; i++) {
812 if(status & mask) {
813 if(pvoice->use)
814 snd_emu10k1x_pcm_interrupt(chip, pvoice);
815 else
816 snd_emu10k1x_intr_disable(chip, mask);
817 }
818 pvoice++;
819 mask <<= 1;
820 }
821
822 if (status & (IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY)) {
823 if (chip->midi.interrupt)
824 chip->midi.interrupt(chip, status);
825 else
826 snd_emu10k1x_intr_disable(chip, INTE_MIDITXENABLE|INTE_MIDIRXENABLE);
827 }
828
829 // acknowledge the interrupt if necessary
830 if(status)
831 outl(status, chip->port+IPR);
832
833// snd_printk(KERN_INFO "interrupt %08x\n", status);
834 }
835
836 return IRQ_HANDLED;
837}
838
839static void snd_emu10k1x_pcm_free(snd_pcm_t *pcm)
840{
841 emu10k1x_t *emu = pcm->private_data;
842 emu->pcm = NULL;
843 snd_pcm_lib_preallocate_free_for_all(pcm);
844}
845
846static int __devinit snd_emu10k1x_pcm(emu10k1x_t *emu, int device, snd_pcm_t **rpcm)
847{
848 snd_pcm_t *pcm;
849 int err;
850 int capture = 0;
851
852 if (rpcm)
853 *rpcm = NULL;
854 if (device == 0)
855 capture = 1;
856
857 if ((err = snd_pcm_new(emu->card, "emu10k1x", device, 1, capture, &pcm)) < 0)
858 return err;
859
860 pcm->private_data = emu;
861 pcm->private_free = snd_emu10k1x_pcm_free;
862
863 switch(device) {
864 case 0:
865 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops);
866 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1x_capture_ops);
867 break;
868 case 1:
869 case 2:
870 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops);
871 break;
872 }
873
874 pcm->info_flags = 0;
875 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
876 switch(device) {
877 case 0:
878 strcpy(pcm->name, "EMU10K1X Front");
879 break;
880 case 1:
881 strcpy(pcm->name, "EMU10K1X Rear");
882 break;
883 case 2:
884 strcpy(pcm->name, "EMU10K1X Center/LFE");
885 break;
886 }
887 emu->pcm = pcm;
888
889 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
890 snd_dma_pci_data(emu->pci),
891 32*1024, 32*1024);
892
893 if (rpcm)
894 *rpcm = pcm;
895
896 return 0;
897}
898
899static int __devinit snd_emu10k1x_create(snd_card_t *card,
900 struct pci_dev *pci,
901 emu10k1x_t **rchip)
902{
903 emu10k1x_t *chip;
904 int err;
905 int ch;
906 static snd_device_ops_t ops = {
907 .dev_free = snd_emu10k1x_dev_free,
908 };
909
910 *rchip = NULL;
911
912 if ((err = pci_enable_device(pci)) < 0)
913 return err;
914 if (pci_set_dma_mask(pci, 0x0fffffff) < 0 ||
915 pci_set_consistent_dma_mask(pci, 0x0fffffff) < 0) {
916 snd_printk(KERN_ERR "error to set 28bit mask DMA\n");
917 pci_disable_device(pci);
918 return -ENXIO;
919 }
920
e560d8d8 921 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1da177e4
LT		 922 if (chip == NULL) {
923 pci_disable_device(pci);
924 return -ENOMEM;
925 }
926
927 chip->card = card;
928 chip->pci = pci;
929 chip->irq = -1;
930
931 spin_lock_init(&chip->emu_lock);
932 spin_lock_init(&chip->voice_lock);
933
934 chip->port = pci_resource_start(pci, 0);
935 if ((chip->res_port = request_region(chip->port, 8,
936 "EMU10K1X")) == NULL) {
937 snd_printk(KERN_ERR "emu10k1x: cannot allocate the port 0x%lx\n", chip->port);
938 snd_emu10k1x_free(chip);
939 return -EBUSY;
940 }
941
942 if (request_irq(pci->irq, snd_emu10k1x_interrupt,
943 SA_INTERRUPT|SA_SHIRQ, "EMU10K1X",
944 (void *)chip)) {
945 snd_printk(KERN_ERR "emu10k1x: cannot grab irq %d\n", pci->irq);
946 snd_emu10k1x_free(chip);
947 return -EBUSY;
948 }
949 chip->irq = pci->irq;
950
951 if(snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
952 4 * 1024, &chip->dma_buffer) < 0) {
953 snd_emu10k1x_free(chip);
954 return -ENOMEM;
955 }
956
957 pci_set_master(pci);
958 /* read revision & serial */
959 pci_read_config_byte(pci, PCI_REVISION_ID, (char *)&chip->revision);
960 pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial);
961 pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model);
962 snd_printk(KERN_INFO "Model %04x Rev %08x Serial %08x\n", chip->model,
963 chip->revision, chip->serial);
964
965 outl(0, chip->port + INTE);
966
967 for(ch = 0; ch < 3; ch++) {
968 chip->voices[ch].emu = chip;
969 chip->voices[ch].number = ch;
970 }
971
972 /*
973 * Init to 0x02109204 :
974 * Clock accuracy = 0 (1000ppm)
975 * Sample Rate = 2 (48kHz)
976 * Audio Channel = 1 (Left of 2)
977 * Source Number = 0 (Unspecified)
978 * Generation Status = 1 (Original for Cat Code 12)
979 * Cat Code = 12 (Digital Signal Mixer)
980 * Mode = 0 (Mode 0)
981 * Emphasis = 0 (None)
982 * CP = 1 (Copyright unasserted)
983 * AN = 0 (Audio data)
984 * P = 0 (Consumer)
985 */
986 snd_emu10k1x_ptr_write(chip, SPCS0, 0,
987 chip->spdif_bits[0] =
988 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
989 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
990 SPCS_GENERATIONSTATUS | 0x00001200 |
991 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
992 snd_emu10k1x_ptr_write(chip, SPCS1, 0,
993 chip->spdif_bits[1] =
994 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
995 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
996 SPCS_GENERATIONSTATUS | 0x00001200 |
997 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
998 snd_emu10k1x_ptr_write(chip, SPCS2, 0,
999 chip->spdif_bits[2] =
1000 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1001 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
1002 SPCS_GENERATIONSTATUS | 0x00001200 |
1003 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
1004
1005 snd_emu10k1x_ptr_write(chip, SPDIF_SELECT, 0, 0x700); // disable SPDIF
1006 snd_emu10k1x_ptr_write(chip, ROUTING, 0, 0x1003F); // routing
1007 snd_emu10k1x_gpio_write(chip, 0x1080); // analog mode
1008
1009 outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG);
1010
1011 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL,
1012 chip, &ops)) < 0) {
1013 snd_emu10k1x_free(chip);
1014 return err;
1015 }
1016 *rchip = chip;
1017 return 0;
1018}
1019
1020static void snd_emu10k1x_proc_reg_read(snd_info_entry_t *entry,
1021 snd_info_buffer_t * buffer)
1022{
1023 emu10k1x_t *emu = entry->private_data;
1024 unsigned long value,value1,value2;
1025 unsigned long flags;
1026 int i;
1027
1028 snd_iprintf(buffer, "Registers:\n\n");
1029 for(i = 0; i < 0x20; i+=4) {
1030 spin_lock_irqsave(&emu->emu_lock, flags);
1031 value = inl(emu->port + i);
1032 spin_unlock_irqrestore(&emu->emu_lock, flags);
1033 snd_iprintf(buffer, "Register %02X: %08lX\n", i, value);
1034 }
1035 snd_iprintf(buffer, "\nRegisters\n\n");
1036 for(i = 0; i <= 0x48; i++) {
1037 value = snd_emu10k1x_ptr_read(emu, i, 0);
1038 if(i < 0x10 || (i >= 0x20 && i < 0x40)) {
1039 value1 = snd_emu10k1x_ptr_read(emu, i, 1);
1040 value2 = snd_emu10k1x_ptr_read(emu, i, 2);
1041 snd_iprintf(buffer, "%02X: %08lX %08lX %08lX\n", i, value, value1, value2);
1042 } else {
1043 snd_iprintf(buffer, "%02X: %08lX\n", i, value);
1044 }
1045 }
1046}
1047
1048static void snd_emu10k1x_proc_reg_write(snd_info_entry_t *entry,
1049 snd_info_buffer_t *buffer)
1050{
1051 emu10k1x_t *emu = entry->private_data;
1052 char line[64];
1053 unsigned int reg, channel_id , val;
1054
1055 while (!snd_info_get_line(buffer, line, sizeof(line))) {
1056 if (sscanf(line, "%x %x %x", &reg, &channel_id, &val) != 3)
1057 continue;
1058
1059 if ((reg < 0x49) && (reg >=0) && (val <= 0xffffffff)
1060 && (channel_id >=0) && (channel_id <= 2) )
1061 snd_emu10k1x_ptr_write(emu, reg, channel_id, val);
1062 }
1063}
1064
1065static int __devinit snd_emu10k1x_proc_init(emu10k1x_t * emu)
1066{
1067 snd_info_entry_t *entry;
1068
1069 if(! snd_card_proc_new(emu->card, "emu10k1x_regs", &entry)) {
1070 snd_info_set_text_ops(entry, emu, 1024, snd_emu10k1x_proc_reg_read);
1071 entry->c.text.write_size = 64;
1072 entry->c.text.write = snd_emu10k1x_proc_reg_write;
bd7bf042 1073 entry->mode |= S_IWUSR;
1da177e4
LT		 1074 entry->private_data = emu;
1075 }
1076
1077 return 0;
1078}
1079
1080static int snd_emu10k1x_shared_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1081{
1082 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1083 uinfo->count = 1;
1084 uinfo->value.integer.min = 0;
1085 uinfo->value.integer.max = 1;
1086 return 0;
1087}
1088
1089static int snd_emu10k1x_shared_spdif_get(snd_kcontrol_t * kcontrol,
1090 snd_ctl_elem_value_t * ucontrol)
1091{
1092 emu10k1x_t *emu = snd_kcontrol_chip(kcontrol);
1093
1094 ucontrol->value.integer.value[0] = (snd_emu10k1x_ptr_read(emu, SPDIF_SELECT, 0) == 0x700) ? 0 : 1;
1095
1096 return 0;
1097}
1098
1099static int snd_emu10k1x_shared_spdif_put(snd_kcontrol_t * kcontrol,
1100 snd_ctl_elem_value_t * ucontrol)
1101{
1102 emu10k1x_t *emu = snd_kcontrol_chip(kcontrol);
1103 unsigned int val;
1104 int change = 0;
1105
1106 val = ucontrol->value.integer.value[0] ;
1107
1108 if (val) {
1109 // enable spdif output
1110 snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x000);
1111 snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x700);
1112 snd_emu10k1x_gpio_write(emu, 0x1000);
1113 } else {
1114 // disable spdif output
1115 snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x700);
1116 snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x1003F);
1117 snd_emu10k1x_gpio_write(emu, 0x1080);
1118 }
1119 return change;
1120}
1121
1122static snd_kcontrol_new_t snd_emu10k1x_shared_spdif __devinitdata =
1123{
1124 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1125 .name = "Analog/Digital Output Jack",
1126 .info = snd_emu10k1x_shared_spdif_info,
1127 .get = snd_emu10k1x_shared_spdif_get,
1128 .put = snd_emu10k1x_shared_spdif_put
1129};
1130
1131static int snd_emu10k1x_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1132{
1133 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1134 uinfo->count = 1;
1135 return 0;
1136}
1137
1138static int snd_emu10k1x_spdif_get(snd_kcontrol_t * kcontrol,
1139 snd_ctl_elem_value_t * ucontrol)
1140{
1141 emu10k1x_t *emu = snd_kcontrol_chip(kcontrol);
1142 unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1143
1144 ucontrol->value.iec958.status[0] = (emu->spdif_bits[idx] >> 0) & 0xff;
1145 ucontrol->value.iec958.status[1] = (emu->spdif_bits[idx] >> 8) & 0xff;
1146 ucontrol->value.iec958.status[2] = (emu->spdif_bits[idx] >> 16) & 0xff;
1147 ucontrol->value.iec958.status[3] = (emu->spdif_bits[idx] >> 24) & 0xff;
1148 return 0;
1149}
1150
1151static int snd_emu10k1x_spdif_get_mask(snd_kcontrol_t * kcontrol,
1152 snd_ctl_elem_value_t * ucontrol)
1153{
1154 ucontrol->value.iec958.status[0] = 0xff;
1155 ucontrol->value.iec958.status[1] = 0xff;
1156 ucontrol->value.iec958.status[2] = 0xff;
1157 ucontrol->value.iec958.status[3] = 0xff;
1158 return 0;
1159}
1160
1161static int snd_emu10k1x_spdif_put(snd_kcontrol_t * kcontrol,
1162 snd_ctl_elem_value_t * ucontrol)
1163{
1164 emu10k1x_t *emu = snd_kcontrol_chip(kcontrol);
1165 unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1166 int change;
1167 unsigned int val;
1168
1169 val = (ucontrol->value.iec958.status[0] << 0) |
1170 (ucontrol->value.iec958.status[1] << 8) |
1171 (ucontrol->value.iec958.status[2] << 16) |
1172 (ucontrol->value.iec958.status[3] << 24);
1173 change = val != emu->spdif_bits[idx];
1174 if (change) {
1175 snd_emu10k1x_ptr_write(emu, SPCS0 + idx, 0, val);
1176 emu->spdif_bits[idx] = val;
1177 }
1178 return change;
1179}
1180
1181static snd_kcontrol_new_t snd_emu10k1x_spdif_mask_control =
1182{
1183 .access = SNDRV_CTL_ELEM_ACCESS_READ,
5549d549 1184 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1da177e4
LT		 1185 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
1186 .count = 3,
1187 .info = snd_emu10k1x_spdif_info,
1188 .get = snd_emu10k1x_spdif_get_mask
1189};
1190
1191static snd_kcontrol_new_t snd_emu10k1x_spdif_control =
1192{
5549d549 1193 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1da177e4
LT		 1194 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1195 .count = 3,
1196 .info = snd_emu10k1x_spdif_info,
1197 .get = snd_emu10k1x_spdif_get,
1198 .put = snd_emu10k1x_spdif_put
1199};
1200
1201static int __devinit snd_emu10k1x_mixer(emu10k1x_t *emu)
1202{
1203 int err;
1204 snd_kcontrol_t *kctl;
1205 snd_card_t *card = emu->card;
1206
1207 if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_mask_control, emu)) == NULL)
1208 return -ENOMEM;
1209 if ((err = snd_ctl_add(card, kctl)))
1210 return err;
1211 if ((kctl = snd_ctl_new1(&snd_emu10k1x_shared_spdif, emu)) == NULL)
1212 return -ENOMEM;
1213 if ((err = snd_ctl_add(card, kctl)))
1214 return err;
1215 if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_control, emu)) == NULL)
1216 return -ENOMEM;
1217 if ((err = snd_ctl_add(card, kctl)))
1218 return err;
1219
1220 return 0;
1221}
1222
1223#define EMU10K1X_MIDI_MODE_INPUT (1<<0)
1224#define EMU10K1X_MIDI_MODE_OUTPUT (1<<1)
1225
1226static inline unsigned char mpu401_read(emu10k1x_t *emu, emu10k1x_midi_t *mpu, int idx)
1227{
1228 return (unsigned char)snd_emu10k1x_ptr_read(emu, mpu->port + idx, 0);
1229}
1230
1231static inline void mpu401_write(emu10k1x_t *emu, emu10k1x_midi_t *mpu, int data, int idx)
1232{
1233 snd_emu10k1x_ptr_write(emu, mpu->port + idx, 0, data);
1234}
1235
1236#define mpu401_write_data(emu, mpu, data) mpu401_write(emu, mpu, data, 0)
1237#define mpu401_write_cmd(emu, mpu, data) mpu401_write(emu, mpu, data, 1)
1238#define mpu401_read_data(emu, mpu) mpu401_read(emu, mpu, 0)
1239#define mpu401_read_stat(emu, mpu) mpu401_read(emu, mpu, 1)
1240
1241#define mpu401_input_avail(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x80))
1242#define mpu401_output_ready(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x40))
1243
1244#define MPU401_RESET 0xff
1245#define MPU401_ENTER_UART 0x3f
1246#define MPU401_ACK 0xfe
1247
1248static void mpu401_clear_rx(emu10k1x_t *emu, emu10k1x_midi_t *mpu)
1249{
1250 int timeout = 100000;
1251 for (; timeout > 0 && mpu401_input_avail(emu, mpu); timeout--)
1252 mpu401_read_data(emu, mpu);
1253#ifdef CONFIG_SND_DEBUG
1254 if (timeout <= 0)
1255 snd_printk(KERN_ERR "cmd: clear rx timeout (status = 0x%x)\n", mpu401_read_stat(emu, mpu));
1256#endif
1257}
1258
1259/*
1260
1261 */
1262
1263static void do_emu10k1x_midi_interrupt(emu10k1x_t *emu, emu10k1x_midi_t *midi, unsigned int status)
1264{
1265 unsigned char byte;
1266
1267 if (midi->rmidi == NULL) {
1268 snd_emu10k1x_intr_disable(emu, midi->tx_enable | midi->rx_enable);
1269 return;
1270 }
1271
1272 spin_lock(&midi->input_lock);
1273 if ((status & midi->ipr_rx) && mpu401_input_avail(emu, midi)) {
1274 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
1275 mpu401_clear_rx(emu, midi);
1276 } else {
1277 byte = mpu401_read_data(emu, midi);
1278 if (midi->substream_input)
1279 snd_rawmidi_receive(midi->substream_input, &byte, 1);
1280 }
1281 }
1282 spin_unlock(&midi->input_lock);
1283
1284 spin_lock(&midi->output_lock);
1285 if ((status & midi->ipr_tx) && mpu401_output_ready(emu, midi)) {
1286 if (midi->substream_output &&
1287 snd_rawmidi_transmit(midi->substream_output, &byte, 1) == 1) {
1288 mpu401_write_data(emu, midi, byte);
1289 } else {
1290 snd_emu10k1x_intr_disable(emu, midi->tx_enable);
1291 }
1292 }
1293 spin_unlock(&midi->output_lock);
1294}
1295
1296static void snd_emu10k1x_midi_interrupt(emu10k1x_t *emu, unsigned int status)
1297{
1298 do_emu10k1x_midi_interrupt(emu, &emu->midi, status);
1299}
1300
1301static void snd_emu10k1x_midi_cmd(emu10k1x_t * emu, emu10k1x_midi_t *midi, unsigned char cmd, int ack)
1302{
1303 unsigned long flags;
1304 int timeout, ok;
1305
1306 spin_lock_irqsave(&midi->input_lock, flags);
1307 mpu401_write_data(emu, midi, 0x00);
1308 /* mpu401_clear_rx(emu, midi); */
1309
1310 mpu401_write_cmd(emu, midi, cmd);
1311 if (ack) {
1312 ok = 0;
1313 timeout = 10000;
1314 while (!ok && timeout-- > 0) {
1315 if (mpu401_input_avail(emu, midi)) {
1316 if (mpu401_read_data(emu, midi) == MPU401_ACK)
1317 ok = 1;
1318 }
1319 }
1320 if (!ok && mpu401_read_data(emu, midi) == MPU401_ACK)
1321 ok = 1;
1322 } else {
1323 ok = 1;
1324 }
1325 spin_unlock_irqrestore(&midi->input_lock, flags);
1326 if (!ok)
1327 snd_printk(KERN_ERR "midi_cmd: 0x%x failed at 0x%lx (status = 0x%x, data = 0x%x)!!!\n",
1328 cmd, emu->port,
1329 mpu401_read_stat(emu, midi),
1330 mpu401_read_data(emu, midi));
1331}
1332
1333static int snd_emu10k1x_midi_input_open(snd_rawmidi_substream_t * substream)
1334{
1335 emu10k1x_t *emu;
1336 emu10k1x_midi_t *midi = (emu10k1x_midi_t *)substream->rmidi->private_data;
1337 unsigned long flags;
1338
1339 emu = midi->emu;
1340 snd_assert(emu, return -ENXIO);
1341 spin_lock_irqsave(&midi->open_lock, flags);
1342 midi->midi_mode |= EMU10K1X_MIDI_MODE_INPUT;
1343 midi->substream_input = substream;
1344 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) {
1345 spin_unlock_irqrestore(&midi->open_lock, flags);
1346 snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1);
1347 snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1);
1348 } else {
1349 spin_unlock_irqrestore(&midi->open_lock, flags);
1350 }
1351 return 0;
1352}
1353
1354static int snd_emu10k1x_midi_output_open(snd_rawmidi_substream_t * substream)
1355{
1356 emu10k1x_t *emu;
1357 emu10k1x_midi_t *midi = (emu10k1x_midi_t *)substream->rmidi->private_data;
1358 unsigned long flags;
1359
1360 emu = midi->emu;
1361 snd_assert(emu, return -ENXIO);
1362 spin_lock_irqsave(&midi->open_lock, flags);
1363 midi->midi_mode |= EMU10K1X_MIDI_MODE_OUTPUT;
1364 midi->substream_output = substream;
1365 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
1366 spin_unlock_irqrestore(&midi->open_lock, flags);
1367 snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1);
1368 snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1);
1369 } else {
1370 spin_unlock_irqrestore(&midi->open_lock, flags);
1371 }
1372 return 0;
1373}
1374
1375static int snd_emu10k1x_midi_input_close(snd_rawmidi_substream_t * substream)
1376{
1377 emu10k1x_t *emu;
1378 emu10k1x_midi_t *midi = (emu10k1x_midi_t *)substream->rmidi->private_data;
1379 unsigned long flags;
1380
1381 emu = midi->emu;
1382 snd_assert(emu, return -ENXIO);
1383 spin_lock_irqsave(&midi->open_lock, flags);
1384 snd_emu10k1x_intr_disable(emu, midi->rx_enable);
1385 midi->midi_mode &= ~EMU10K1X_MIDI_MODE_INPUT;
1386 midi->substream_input = NULL;
1387 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) {
1388 spin_unlock_irqrestore(&midi->open_lock, flags);
1389 snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0);
1390 } else {
1391 spin_unlock_irqrestore(&midi->open_lock, flags);
1392 }
1393 return 0;
1394}
1395
1396static int snd_emu10k1x_midi_output_close(snd_rawmidi_substream_t * substream)
1397{
1398 emu10k1x_t *emu;
1399 emu10k1x_midi_t *midi = (emu10k1x_midi_t *)substream->rmidi->private_data;
1400 unsigned long flags;
1401
1402 emu = midi->emu;
1403 snd_assert(emu, return -ENXIO);
1404 spin_lock_irqsave(&midi->open_lock, flags);
1405 snd_emu10k1x_intr_disable(emu, midi->tx_enable);
1406 midi->midi_mode &= ~EMU10K1X_MIDI_MODE_OUTPUT;
1407 midi->substream_output = NULL;
1408 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
1409 spin_unlock_irqrestore(&midi->open_lock, flags);
1410 snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0);
1411 } else {
1412 spin_unlock_irqrestore(&midi->open_lock, flags);
1413 }
1414 return 0;
1415}
1416
1417static void snd_emu10k1x_midi_input_trigger(snd_rawmidi_substream_t * substream, int up)
1418{
1419 emu10k1x_t *emu;
1420 emu10k1x_midi_t *midi = (emu10k1x_midi_t *)substream->rmidi->private_data;
1421 emu = midi->emu;
1422 snd_assert(emu, return);
1423
1424 if (up)
1425 snd_emu10k1x_intr_enable(emu, midi->rx_enable);
1426 else
1427 snd_emu10k1x_intr_disable(emu, midi->rx_enable);
1428}
1429
1430static void snd_emu10k1x_midi_output_trigger(snd_rawmidi_substream_t * substream, int up)
1431{
1432 emu10k1x_t *emu;
1433 emu10k1x_midi_t *midi = (emu10k1x_midi_t *)substream->rmidi->private_data;
1434 unsigned long flags;
1435
1436 emu = midi->emu;
1437 snd_assert(emu, return);
1438
1439 if (up) {
1440 int max = 4;
1441 unsigned char byte;
1442
1443 /* try to send some amount of bytes here before interrupts */
1444 spin_lock_irqsave(&midi->output_lock, flags);
1445 while (max > 0) {
1446 if (mpu401_output_ready(emu, midi)) {
1447 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT) ||
1448 snd_rawmidi_transmit(substream, &byte, 1) != 1) {
1449 /* no more data */
1450 spin_unlock_irqrestore(&midi->output_lock, flags);
1451 return;
1452 }
1453 mpu401_write_data(emu, midi, byte);
1454 max--;
1455 } else {
1456 break;
1457 }
1458 }
1459 spin_unlock_irqrestore(&midi->output_lock, flags);
1460 snd_emu10k1x_intr_enable(emu, midi->tx_enable);
1461 } else {
1462 snd_emu10k1x_intr_disable(emu, midi->tx_enable);
1463 }
1464}
1465
1466/*
1467
1468 */
1469
1470static snd_rawmidi_ops_t snd_emu10k1x_midi_output =
1471{
1472 .open = snd_emu10k1x_midi_output_open,
1473 .close = snd_emu10k1x_midi_output_close,
1474 .trigger = snd_emu10k1x_midi_output_trigger,
1475};
1476
1477static snd_rawmidi_ops_t snd_emu10k1x_midi_input =
1478{
1479 .open = snd_emu10k1x_midi_input_open,
1480 .close = snd_emu10k1x_midi_input_close,
1481 .trigger = snd_emu10k1x_midi_input_trigger,
1482};
1483
1484static void snd_emu10k1x_midi_free(snd_rawmidi_t *rmidi)
1485{
1486 emu10k1x_midi_t *midi = (emu10k1x_midi_t *)rmidi->private_data;
1487 midi->interrupt = NULL;
1488 midi->rmidi = NULL;
1489}
1490
1491static int __devinit emu10k1x_midi_init(emu10k1x_t *emu, emu10k1x_midi_t *midi, int device, char *name)
1492{
1493 snd_rawmidi_t *rmidi;
1494 int err;
1495
1496 if ((err = snd_rawmidi_new(emu->card, name, device, 1, 1, &rmidi)) < 0)
1497 return err;
1498 midi->emu = emu;
1499 spin_lock_init(&midi->open_lock);
1500 spin_lock_init(&midi->input_lock);
1501 spin_lock_init(&midi->output_lock);
1502 strcpy(rmidi->name, name);
1503 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_emu10k1x_midi_output);
1504 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_emu10k1x_midi_input);
1505 rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
1506 SNDRV_RAWMIDI_INFO_INPUT |
1507 SNDRV_RAWMIDI_INFO_DUPLEX;
1508 rmidi->private_data = midi;
1509 rmidi->private_free = snd_emu10k1x_midi_free;
1510 midi->rmidi = rmidi;
1511 return 0;
1512}
1513
1514static int __devinit snd_emu10k1x_midi(emu10k1x_t *emu)
1515{
1516 emu10k1x_midi_t *midi = &emu->midi;
1517 int err;
1518
1519 if ((err = emu10k1x_midi_init(emu, midi, 0, "EMU10K1X MPU-401 (UART)")) < 0)
1520 return err;
1521
1522 midi->tx_enable = INTE_MIDITXENABLE;
1523 midi->rx_enable = INTE_MIDIRXENABLE;
1524 midi->port = MUDATA;
1525 midi->ipr_tx = IPR_MIDITRANSBUFEMPTY;
1526 midi->ipr_rx = IPR_MIDIRECVBUFEMPTY;
1527 midi->interrupt = snd_emu10k1x_midi_interrupt;
1528 return 0;
1529}
1530
1531static int __devinit snd_emu10k1x_probe(struct pci_dev *pci,
1532 const struct pci_device_id *pci_id)
1533{
1534 static int dev;
1535 snd_card_t *card;
1536 emu10k1x_t *chip;
1537 int err;
1538
1539 if (dev >= SNDRV_CARDS)
1540 return -ENODEV;
1541 if (!enable[dev]) {
1542 dev++;
1543 return -ENOENT;
1544 }
1545
1546 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
1547 if (card == NULL)
1548 return -ENOMEM;
1549
1550 if ((err = snd_emu10k1x_create(card, pci, &chip)) < 0) {
1551 snd_card_free(card);
1552 return err;
1553 }
1554
1555 if ((err = snd_emu10k1x_pcm(chip, 0, NULL)) < 0) {
1556 snd_card_free(card);
1557 return err;
1558 }
1559 if ((err = snd_emu10k1x_pcm(chip, 1, NULL)) < 0) {
1560 snd_card_free(card);
1561 return err;
1562 }
1563 if ((err = snd_emu10k1x_pcm(chip, 2, NULL)) < 0) {
1564 snd_card_free(card);
1565 return err;
1566 }
1567
1568 if ((err = snd_emu10k1x_ac97(chip)) < 0) {
1569 snd_card_free(card);
1570 return err;
1571 }
1572
1573 if ((err = snd_emu10k1x_mixer(chip)) < 0) {
1574 snd_card_free(card);
1575 return err;
1576 }
1577
1578 if ((err = snd_emu10k1x_midi(chip)) < 0) {
1579 snd_card_free(card);
1580 return err;
1581 }
1582
1583 snd_emu10k1x_proc_init(chip);
1584
1585 strcpy(card->driver, "EMU10K1X");
1586 strcpy(card->shortname, "Dell Sound Blaster Live!");
1587 sprintf(card->longname, "%s at 0x%lx irq %i",
1588 card->shortname, chip->port, chip->irq);
1589
1590 if ((err = snd_card_register(card)) < 0) {
1591 snd_card_free(card);
1592 return err;
1593 }
1594
1595 pci_set_drvdata(pci, card);
1596 dev++;
1597 return 0;
1598}
1599
1600static void __devexit snd_emu10k1x_remove(struct pci_dev *pci)
1601{
1602 snd_card_free(pci_get_drvdata(pci));
1603 pci_set_drvdata(pci, NULL);
1604}
1605
1606// PCI IDs
1607static struct pci_device_id snd_emu10k1x_ids[] = {
1608 { 0x1102, 0x0006, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* Dell OEM version (EMU10K1) */
1609 { 0, }
1610};
1611MODULE_DEVICE_TABLE(pci, snd_emu10k1x_ids);
1612
1613// pci_driver definition
1614static struct pci_driver driver = {
1615 .name = "EMU10K1X",
3bcd4649 1616 .owner = THIS_MODULE,
1da177e4
LT		 1617 .id_table = snd_emu10k1x_ids,
1618 .probe = snd_emu10k1x_probe,
1619 .remove = __devexit_p(snd_emu10k1x_remove),
1620};
1621
1622// initialization of the module
1623static int __init alsa_card_emu10k1x_init(void)
1624{
1625 int err;
1626
01d25d46 1627 if ((err = pci_register_driver(&driver)) > 0)
1da177e4
LT		 1628 return err;
1629
1630 return 0;
1631}
1632
1633// clean up the module
1634static void __exit alsa_card_emu10k1x_exit(void)
1635{
1636 pci_unregister_driver(&driver);
1637}
1638
1639module_init(alsa_card_emu10k1x_init)
1640module_exit(alsa_card_emu10k1x_exit)
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