cd4613a97bd78384267782163cbd257ab15a4976
[linux-2.6.git] / sound / pci / pcxhr / pcxhr.c
1 /*
2  * Driver for Digigram pcxhr compatible soundcards
3  *
4  * main file with alsa callbacks
5  *
6  * Copyright (c) 2004 by Digigram <alsa@digigram.com>
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
24 #include <sound/driver.h>
25 #include <linux/init.h>
26 #include <linux/interrupt.h>
27 #include <linux/slab.h>
28 #include <linux/pci.h>
29 #include <linux/dma-mapping.h>
30 #include <linux/delay.h>
31 #include <linux/moduleparam.h>
32 #include <linux/mutex.h>
33
34 #include <sound/core.h>
35 #include <sound/initval.h>
36 #include <sound/info.h>
37 #include <sound/control.h>
38 #include <sound/pcm.h>
39 #include <sound/pcm_params.h>
40 #include "pcxhr.h"
41 #include "pcxhr_mixer.h"
42 #include "pcxhr_hwdep.h"
43 #include "pcxhr_core.h"
44
45 #define DRIVER_NAME "pcxhr"
46
47 MODULE_AUTHOR("Markus Bollinger <bollinger@digigram.com>");
48 MODULE_DESCRIPTION("Digigram " DRIVER_NAME " " PCXHR_DRIVER_VERSION_STRING);
49 MODULE_LICENSE("GPL");
50 MODULE_SUPPORTED_DEVICE("{{Digigram," DRIVER_NAME "}}");
51
52 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;              /* Index 0-MAX */
53 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;               /* ID for this card */
54 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;      /* Enable this card */
55 static int mono[SNDRV_CARDS];                                   /* capture in mono only */
56
57 module_param_array(index, int, NULL, 0444);
58 MODULE_PARM_DESC(index, "Index value for Digigram " DRIVER_NAME " soundcard");
59 module_param_array(id, charp, NULL, 0444);
60 MODULE_PARM_DESC(id, "ID string for Digigram " DRIVER_NAME " soundcard");
61 module_param_array(enable, bool, NULL, 0444);
62 MODULE_PARM_DESC(enable, "Enable Digigram " DRIVER_NAME " soundcard");
63 module_param_array(mono, bool, NULL, 0444);
64 MODULE_PARM_DESC(mono, "Mono capture mode (default is stereo)");
65
66 enum {
67         PCI_ID_VX882HR,
68         PCI_ID_PCX882HR,
69         PCI_ID_VX881HR,
70         PCI_ID_PCX881HR,
71         PCI_ID_PCX1222HR,
72         PCI_ID_PCX1221HR,
73         PCI_ID_LAST
74 };
75
76 static struct pci_device_id pcxhr_ids[] = {
77         { 0x10b5, 0x9656, 0x1369, 0xb001, 0, 0, PCI_ID_VX882HR, },   /* VX882HR */
78         { 0x10b5, 0x9656, 0x1369, 0xb101, 0, 0, PCI_ID_PCX882HR, },  /* PCX882HR */
79         { 0x10b5, 0x9656, 0x1369, 0xb201, 0, 0, PCI_ID_VX881HR, },   /* VX881HR */
80         { 0x10b5, 0x9656, 0x1369, 0xb301, 0, 0, PCI_ID_PCX881HR, },  /* PCX881HR */
81         { 0x10b5, 0x9656, 0x1369, 0xb501, 0, 0, PCI_ID_PCX1222HR, }, /* PCX1222HR */
82         { 0x10b5, 0x9656, 0x1369, 0xb701, 0, 0, PCI_ID_PCX1221HR, }, /* PCX1221HR */
83         { 0, }
84 };
85
86 MODULE_DEVICE_TABLE(pci, pcxhr_ids);
87
88 struct board_parameters {
89         char* board_name;
90         short playback_chips;
91         short capture_chips;
92         short firmware_num;
93 };
94 static struct board_parameters pcxhr_board_params[] = {
95 [PCI_ID_VX882HR] =      { "VX882HR",   4, 4, 41, },
96 [PCI_ID_PCX882HR] =     { "PCX882HR",  4, 4, 41, },
97 [PCI_ID_VX881HR] =      { "VX881HR",   4, 4, 41, },
98 [PCI_ID_PCX881HR] =     { "PCX881HR",  4, 4, 41, },
99 [PCI_ID_PCX1222HR] =    { "PCX1222HR", 6, 1, 42, },
100 [PCI_ID_PCX1221HR] =    { "PCX1221HR", 6, 1, 42, },
101 };
102
103
104 static int pcxhr_pll_freq_register(unsigned int freq, unsigned int* pllreg,
105                                    unsigned int* realfreq)
106 {
107         unsigned int reg;
108
109         if (freq < 6900 || freq > 110250)
110                 return -EINVAL;
111         reg = (28224000 * 10) / freq;
112         reg = (reg + 5) / 10;
113         if (reg < 0x200)
114                 *pllreg = reg + 0x800;
115         else if (reg < 0x400)
116                 *pllreg = reg & 0x1ff;
117         else if (reg < 0x800) {
118                 *pllreg = ((reg >> 1) & 0x1ff) + 0x200;
119                 reg &= ~1;
120         } else {
121                 *pllreg = ((reg >> 2) & 0x1ff) + 0x400;
122                 reg &= ~3;
123         }
124         if (realfreq)
125                 *realfreq = ((28224000 * 10) / reg + 5) / 10;
126         return 0;
127 }
128
129
130 #define PCXHR_FREQ_REG_MASK             0x1f
131 #define PCXHR_FREQ_QUARTZ_48000         0x00
132 #define PCXHR_FREQ_QUARTZ_24000         0x01
133 #define PCXHR_FREQ_QUARTZ_12000         0x09
134 #define PCXHR_FREQ_QUARTZ_32000         0x08
135 #define PCXHR_FREQ_QUARTZ_16000         0x04
136 #define PCXHR_FREQ_QUARTZ_8000          0x0c
137 #define PCXHR_FREQ_QUARTZ_44100         0x02
138 #define PCXHR_FREQ_QUARTZ_22050         0x0a
139 #define PCXHR_FREQ_QUARTZ_11025         0x06
140 #define PCXHR_FREQ_PLL                  0x05
141 #define PCXHR_FREQ_QUARTZ_192000        0x10
142 #define PCXHR_FREQ_QUARTZ_96000         0x18
143 #define PCXHR_FREQ_QUARTZ_176400        0x14
144 #define PCXHR_FREQ_QUARTZ_88200         0x1c
145 #define PCXHR_FREQ_QUARTZ_128000        0x12
146 #define PCXHR_FREQ_QUARTZ_64000         0x1a
147
148 #define PCXHR_FREQ_WORD_CLOCK           0x0f
149 #define PCXHR_FREQ_SYNC_AES             0x0e
150 #define PCXHR_FREQ_AES_1                0x07
151 #define PCXHR_FREQ_AES_2                0x0b
152 #define PCXHR_FREQ_AES_3                0x03
153 #define PCXHR_FREQ_AES_4                0x0d
154
155 #define PCXHR_MODIFY_CLOCK_S_BIT        0x04
156
157 #define PCXHR_IRQ_TIMER_FREQ            92000
158 #define PCXHR_IRQ_TIMER_PERIOD          48
159
160 static int pcxhr_get_clock_reg(struct pcxhr_mgr *mgr, unsigned int rate,
161                                unsigned int *reg, unsigned int *freq)
162 {
163         unsigned int val, realfreq, pllreg;
164         struct pcxhr_rmh rmh;
165         int err;
166
167         realfreq = rate;
168         switch (mgr->use_clock_type) {
169         case PCXHR_CLOCK_TYPE_INTERNAL :        /* clock by quartz or pll */
170                 switch (rate) {
171                 case 48000 :    val = PCXHR_FREQ_QUARTZ_48000;  break;
172                 case 24000 :    val = PCXHR_FREQ_QUARTZ_24000;  break;
173                 case 12000 :    val = PCXHR_FREQ_QUARTZ_12000;  break;
174                 case 32000 :    val = PCXHR_FREQ_QUARTZ_32000;  break;
175                 case 16000 :    val = PCXHR_FREQ_QUARTZ_16000;  break;
176                 case 8000 :     val = PCXHR_FREQ_QUARTZ_8000;   break;
177                 case 44100 :    val = PCXHR_FREQ_QUARTZ_44100;  break;
178                 case 22050 :    val = PCXHR_FREQ_QUARTZ_22050;  break;
179                 case 11025 :    val = PCXHR_FREQ_QUARTZ_11025;  break;
180                 case 192000 :   val = PCXHR_FREQ_QUARTZ_192000; break;
181                 case 96000 :    val = PCXHR_FREQ_QUARTZ_96000;  break;
182                 case 176400 :   val = PCXHR_FREQ_QUARTZ_176400; break;
183                 case 88200 :    val = PCXHR_FREQ_QUARTZ_88200;  break;
184                 case 128000 :   val = PCXHR_FREQ_QUARTZ_128000; break;
185                 case 64000 :    val = PCXHR_FREQ_QUARTZ_64000;  break;
186                 default :
187                         val = PCXHR_FREQ_PLL;
188                         /* get the value for the pll register */
189                         err = pcxhr_pll_freq_register(rate, &pllreg, &realfreq);
190                         if (err)
191                                 return err;
192                         pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
193                         rmh.cmd[0] |= IO_NUM_REG_GENCLK;
194                         rmh.cmd[1]  = pllreg & MASK_DSP_WORD;
195                         rmh.cmd[2]  = pllreg >> 24;
196                         rmh.cmd_len = 3;
197                         err = pcxhr_send_msg(mgr, &rmh);
198                         if (err < 0) {
199                                 snd_printk(KERN_ERR
200                                            "error CMD_ACCESS_IO_WRITE for PLL register : %x!\n",
201                                            err );
202                                 return err;
203                         }
204                 }
205                 break;
206         case PCXHR_CLOCK_TYPE_WORD_CLOCK :      val = PCXHR_FREQ_WORD_CLOCK;    break;
207         case PCXHR_CLOCK_TYPE_AES_SYNC :        val = PCXHR_FREQ_SYNC_AES;      break;
208         case PCXHR_CLOCK_TYPE_AES_1 :           val = PCXHR_FREQ_AES_1;         break;
209         case PCXHR_CLOCK_TYPE_AES_2 :           val = PCXHR_FREQ_AES_2;         break;
210         case PCXHR_CLOCK_TYPE_AES_3 :           val = PCXHR_FREQ_AES_3;         break;
211         case PCXHR_CLOCK_TYPE_AES_4 :           val = PCXHR_FREQ_AES_4;         break;
212         default : return -EINVAL;
213         }
214         *reg = val;
215         *freq = realfreq;
216         return 0;
217 }
218
219
220 int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate)
221 {
222         unsigned int val, realfreq, speed;
223         struct pcxhr_rmh rmh;
224         int err, changed;
225
226         if (rate == 0)
227                 return 0; /* nothing to do */
228
229         err = pcxhr_get_clock_reg(mgr, rate, &val, &realfreq);
230         if (err)
231                 return err;
232
233         /* codec speed modes */
234         if (rate < 55000)
235                 speed = 0;      /* single speed */
236         else if (rate < 100000)
237                 speed = 1;      /* dual speed */
238         else
239                 speed = 2;      /* quad speed */
240         if (mgr->codec_speed != speed) {
241                 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);      /* mute outputs */
242                 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
243                 err = pcxhr_send_msg(mgr, &rmh);
244                 if (err)
245                         return err;
246
247                 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);      /* set speed ratio */
248                 rmh.cmd[0] |= IO_NUM_SPEED_RATIO;
249                 rmh.cmd[1] = speed;
250                 rmh.cmd_len = 2;
251                 err = pcxhr_send_msg(mgr, &rmh);
252                 if (err)
253                         return err;
254         }
255         /* set the new frequency */
256         snd_printdd("clock register : set %x\n", val);
257         err = pcxhr_write_io_num_reg_cont(mgr, PCXHR_FREQ_REG_MASK, val, &changed);
258         if (err)
259                 return err;
260         mgr->sample_rate_real = realfreq;
261         mgr->cur_clock_type = mgr->use_clock_type;
262
263         /* unmute after codec speed modes */
264         if (mgr->codec_speed != speed) {
265                 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);       /* unmute outputs */
266                 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
267                 err = pcxhr_send_msg(mgr, &rmh);
268                 if (err)
269                         return err;
270                 mgr->codec_speed = speed;                       /* save new codec speed */
271         }
272
273         if (changed) {
274                 pcxhr_init_rmh(&rmh, CMD_MODIFY_CLOCK);
275                 rmh.cmd[0] |= PCXHR_MODIFY_CLOCK_S_BIT;         /* resync fifos  */
276                 if (rate < PCXHR_IRQ_TIMER_FREQ)
277                         rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD;
278                 else
279                         rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD * 2;
280                 rmh.cmd[2] = rate;
281                 rmh.cmd_len = 3;
282                 err = pcxhr_send_msg(mgr, &rmh);
283                 if (err)
284                         return err;
285         }
286         snd_printdd("pcxhr_set_clock to %dHz (realfreq=%d)\n", rate, realfreq);
287         return 0;
288 }
289
290
291 int pcxhr_get_external_clock(struct pcxhr_mgr *mgr, enum pcxhr_clock_type clock_type,
292                              int *sample_rate)
293 {
294         struct pcxhr_rmh rmh;
295         unsigned char reg;
296         int err, rate;
297
298         switch (clock_type) {
299         case PCXHR_CLOCK_TYPE_WORD_CLOCK :      reg = REG_STATUS_WORD_CLOCK;    break;
300         case PCXHR_CLOCK_TYPE_AES_SYNC :        reg = REG_STATUS_AES_SYNC;      break;
301         case PCXHR_CLOCK_TYPE_AES_1 :           reg = REG_STATUS_AES_1;         break;
302         case PCXHR_CLOCK_TYPE_AES_2 :           reg = REG_STATUS_AES_2;         break;
303         case PCXHR_CLOCK_TYPE_AES_3 :           reg = REG_STATUS_AES_3;         break;
304         case PCXHR_CLOCK_TYPE_AES_4 :           reg = REG_STATUS_AES_4;         break;
305         default : return -EINVAL;
306         }
307         pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
308         rmh.cmd_len = 2;
309         rmh.cmd[0] |= IO_NUM_REG_STATUS;
310         if (mgr->last_reg_stat != reg) {
311                 rmh.cmd[1]  = reg;
312                 err = pcxhr_send_msg(mgr, &rmh);
313                 if (err)
314                         return err;
315                 udelay(100);            /* wait minimum 2 sample_frames at 32kHz ! */
316                 mgr->last_reg_stat = reg;
317         }
318         rmh.cmd[1]  = REG_STATUS_CURRENT;
319         err = pcxhr_send_msg(mgr, &rmh);
320         if (err)
321                 return err;
322         switch (rmh.stat[1] & 0x0f) {
323         case REG_STATUS_SYNC_32000 :    rate = 32000; break;
324         case REG_STATUS_SYNC_44100 :    rate = 44100; break;
325         case REG_STATUS_SYNC_48000 :    rate = 48000; break;
326         case REG_STATUS_SYNC_64000 :    rate = 64000; break;
327         case REG_STATUS_SYNC_88200 :    rate = 88200; break;
328         case REG_STATUS_SYNC_96000 :    rate = 96000; break;
329         case REG_STATUS_SYNC_128000 :   rate = 128000; break;
330         case REG_STATUS_SYNC_176400 :   rate = 176400; break;
331         case REG_STATUS_SYNC_192000 :   rate = 192000; break;
332         default: rate = 0;
333         }
334         snd_printdd("External clock is at %d Hz\n", rate);
335         *sample_rate = rate;
336         return 0;
337 }
338
339
340 /*
341  *  start or stop playback/capture substream
342  */
343 static int pcxhr_set_stream_state(struct pcxhr_stream *stream)
344 {
345         int err;
346         struct snd_pcxhr *chip;
347         struct pcxhr_rmh rmh;
348         int stream_mask, start;
349
350         if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN)
351                 start = 1;
352         else {
353                 if (stream->status != PCXHR_STREAM_STATUS_SCHEDULE_STOP) {
354                         snd_printk(KERN_ERR "ERROR pcxhr_set_stream_state CANNOT be stopped\n");
355                         return -EINVAL;
356                 }
357                 start = 0;
358         }
359         if (!stream->substream)
360                 return -EINVAL;
361
362         stream->timer_abs_periods = 0;
363         stream->timer_period_frag = 0;            /* reset theoretical stream pos */
364         stream->timer_buf_periods = 0;
365         stream->timer_is_synced = 0;
366
367         stream_mask = stream->pipe->is_capture ? 1 : 1<<stream->substream->number;
368
369         pcxhr_init_rmh(&rmh, start ? CMD_START_STREAM : CMD_STOP_STREAM);
370         pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture,
371                                   stream->pipe->first_audio, 0, stream_mask);
372
373         chip = snd_pcm_substream_chip(stream->substream);
374
375         err = pcxhr_send_msg(chip->mgr, &rmh);
376         if (err)
377                 snd_printk(KERN_ERR "ERROR pcxhr_set_stream_state err=%x;\n", err);
378         stream->status = start ? PCXHR_STREAM_STATUS_STARTED : PCXHR_STREAM_STATUS_STOPPED;
379         return err;
380 }
381
382 #define HEADER_FMT_BASE_LIN             0xfed00000
383 #define HEADER_FMT_BASE_FLOAT           0xfad00000
384 #define HEADER_FMT_INTEL                0x00008000
385 #define HEADER_FMT_24BITS               0x00004000
386 #define HEADER_FMT_16BITS               0x00002000
387 #define HEADER_FMT_UPTO11               0x00000200
388 #define HEADER_FMT_UPTO32               0x00000100
389 #define HEADER_FMT_MONO                 0x00000080
390
391 static int pcxhr_set_format(struct pcxhr_stream *stream)
392 {
393         int err, is_capture, sample_rate, stream_num;
394         struct snd_pcxhr *chip;
395         struct pcxhr_rmh rmh;
396         unsigned int header;
397
398         switch (stream->format) {
399         case SNDRV_PCM_FORMAT_U8:
400                 header = HEADER_FMT_BASE_LIN;
401                 break;
402         case SNDRV_PCM_FORMAT_S16_LE:
403                 header = HEADER_FMT_BASE_LIN | HEADER_FMT_16BITS | HEADER_FMT_INTEL;
404                 break;
405         case SNDRV_PCM_FORMAT_S16_BE:
406                 header = HEADER_FMT_BASE_LIN | HEADER_FMT_16BITS;
407                 break;
408         case SNDRV_PCM_FORMAT_S24_3LE:
409                 header = HEADER_FMT_BASE_LIN | HEADER_FMT_24BITS | HEADER_FMT_INTEL;
410                 break;
411         case SNDRV_PCM_FORMAT_S24_3BE:
412                 header = HEADER_FMT_BASE_LIN | HEADER_FMT_24BITS;
413                 break;
414         case SNDRV_PCM_FORMAT_FLOAT_LE:
415                 header = HEADER_FMT_BASE_FLOAT | HEADER_FMT_INTEL;
416                 break;
417         default:
418                 snd_printk(KERN_ERR "error pcxhr_set_format() : unknown format\n");
419                 return -EINVAL;
420         }
421         chip = snd_pcm_substream_chip(stream->substream);
422
423         sample_rate = chip->mgr->sample_rate;
424         if (sample_rate <= 32000 && sample_rate !=0) {
425                 if (sample_rate <= 11025)
426                         header |= HEADER_FMT_UPTO11;
427                 else
428                         header |= HEADER_FMT_UPTO32;
429         }
430         if (stream->channels == 1)
431                 header |= HEADER_FMT_MONO;
432
433         is_capture = stream->pipe->is_capture;
434         stream_num = is_capture ? 0 : stream->substream->number;
435
436         pcxhr_init_rmh(&rmh, is_capture ? CMD_FORMAT_STREAM_IN : CMD_FORMAT_STREAM_OUT);
437         pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio, stream_num, 0);
438         if (is_capture)
439                 rmh.cmd[0] |= 1<<12;
440         rmh.cmd[1] = 0;
441         rmh.cmd[2] = header >> 8;
442         rmh.cmd[3] = (header & 0xff) << 16;
443         rmh.cmd_len = 4;
444         err = pcxhr_send_msg(chip->mgr, &rmh);
445         if (err)
446                 snd_printk(KERN_ERR "ERROR pcxhr_set_format err=%x;\n", err);
447         return err;
448 }
449
450 static int pcxhr_update_r_buffer(struct pcxhr_stream *stream)
451 {
452         int err, is_capture, stream_num;
453         struct pcxhr_rmh rmh;
454         struct snd_pcm_substream *subs = stream->substream;
455         struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
456
457         is_capture = (subs->stream == SNDRV_PCM_STREAM_CAPTURE);
458         stream_num = is_capture ? 0 : subs->number;
459
460         snd_printdd("pcxhr_update_r_buffer(pcm%c%d) : addr(%p) bytes(%zx) subs(%d)\n",
461                     is_capture ? 'c' : 'p',
462                     chip->chip_idx, (void*)subs->runtime->dma_addr,
463                     subs->runtime->dma_bytes, subs->number);
464
465         pcxhr_init_rmh(&rmh, CMD_UPDATE_R_BUFFERS);
466         pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio, stream_num, 0);
467
468         snd_assert(subs->runtime->dma_bytes < 0x200000);        /* max buffer size is 2 MByte */
469         rmh.cmd[1] = subs->runtime->dma_bytes * 8;              /* size in bits */
470         rmh.cmd[2] = subs->runtime->dma_addr >> 24;             /* most significant byte */
471         rmh.cmd[2] |= 1<<19;                                    /* this is a circular buffer */
472         rmh.cmd[3] = subs->runtime->dma_addr & MASK_DSP_WORD;   /* least 3 significant bytes */
473         rmh.cmd_len = 4;
474         err = pcxhr_send_msg(chip->mgr, &rmh);
475         if (err)
476                 snd_printk(KERN_ERR "ERROR CMD_UPDATE_R_BUFFERS err=%x;\n", err);
477         return err;
478 }
479
480
481 #if 0
482 static int pcxhr_pipe_sample_count(struct pcxhr_stream *stream, snd_pcm_uframes_t *sample_count)
483 {
484         struct pcxhr_rmh rmh;
485         int err;
486         pcxhr_t *chip = snd_pcm_substream_chip(stream->substream);
487         pcxhr_init_rmh(&rmh, CMD_PIPE_SAMPLE_COUNT);
488         pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture, 0, 0,
489                                   1<<stream->pipe->first_audio);
490         err = pcxhr_send_msg(chip->mgr, &rmh);
491         if (err == 0) {
492                 *sample_count = ((snd_pcm_uframes_t)rmh.stat[0]) << 24;
493                 *sample_count += (snd_pcm_uframes_t)rmh.stat[1];
494         }
495         snd_printdd("PIPE_SAMPLE_COUNT = %lx\n", *sample_count);
496         return err;
497 }
498 #endif
499
500 static inline int pcxhr_stream_scheduled_get_pipe(struct pcxhr_stream *stream,
501                                                   struct pcxhr_pipe **pipe)
502 {
503         if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN) {
504                 *pipe = stream->pipe;
505                 return 1;
506         }
507         return 0;
508 }
509
510 static void pcxhr_trigger_tasklet(unsigned long arg)
511 {
512         unsigned long flags;
513         int i, j, err;
514         struct pcxhr_pipe *pipe;
515         struct snd_pcxhr *chip;
516         struct pcxhr_mgr *mgr = (struct pcxhr_mgr*)(arg);
517         int capture_mask = 0;
518         int playback_mask = 0;
519
520 #ifdef CONFIG_SND_DEBUG_DETECT
521         struct timeval my_tv1, my_tv2;
522         do_gettimeofday(&my_tv1);
523 #endif
524         mutex_lock(&mgr->setup_mutex);
525
526         /* check the pipes concerned and build pipe_array */
527         for (i = 0; i < mgr->num_cards; i++) {
528                 chip = mgr->chip[i];
529                 for (j = 0; j < chip->nb_streams_capt; j++) {
530                         if (pcxhr_stream_scheduled_get_pipe(&chip->capture_stream[j], &pipe))
531                                 capture_mask |= (1 << pipe->first_audio);
532                 }
533                 for (j = 0; j < chip->nb_streams_play; j++) {
534                         if (pcxhr_stream_scheduled_get_pipe(&chip->playback_stream[j], &pipe)) {
535                                 playback_mask |= (1 << pipe->first_audio);
536                                 break;  /* add only once, as all playback streams of
537                                          * one chip use the same pipe
538                                          */
539                         }
540                 }
541         }
542         if (capture_mask == 0 && playback_mask == 0) {
543                 mutex_unlock(&mgr->setup_mutex);
544                 snd_printk(KERN_ERR "pcxhr_trigger_tasklet : no pipes\n");
545                 return;
546         }
547
548         snd_printdd("pcxhr_trigger_tasklet : playback_mask=%x capture_mask=%x\n",
549                     playback_mask, capture_mask);
550
551         /* synchronous stop of all the pipes concerned */
552         err = pcxhr_set_pipe_state(mgr,  playback_mask, capture_mask, 0);
553         if (err) {
554                 mutex_unlock(&mgr->setup_mutex);
555                 snd_printk(KERN_ERR "pcxhr_trigger_tasklet : error stop pipes (P%x C%x)\n",
556                            playback_mask, capture_mask);
557                 return;
558         }
559
560         /* unfortunately the dsp lost format and buffer info with the stop pipe */
561         for (i = 0; i < mgr->num_cards; i++) {
562                 struct pcxhr_stream *stream;
563                 chip = mgr->chip[i];
564                 for (j = 0; j < chip->nb_streams_capt; j++) {
565                         stream = &chip->capture_stream[j];
566                         if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) {
567                                 err = pcxhr_set_format(stream);
568                                 err = pcxhr_update_r_buffer(stream);
569                         }
570                 }
571                 for (j = 0; j < chip->nb_streams_play; j++) {
572                         stream = &chip->playback_stream[j];
573                         if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) {
574                                 err = pcxhr_set_format(stream);
575                                 err = pcxhr_update_r_buffer(stream);
576                         }
577                 }
578         }
579         /* start all the streams */
580         for (i = 0; i < mgr->num_cards; i++) {
581                 struct pcxhr_stream *stream;
582                 chip = mgr->chip[i];
583                 for (j = 0; j < chip->nb_streams_capt; j++) {
584                         stream = &chip->capture_stream[j];
585                         if (pcxhr_stream_scheduled_get_pipe(stream, &pipe))
586                                 err = pcxhr_set_stream_state(stream);
587                 }
588                 for (j = 0; j < chip->nb_streams_play; j++) {
589                         stream = &chip->playback_stream[j];
590                         if (pcxhr_stream_scheduled_get_pipe(stream, &pipe))
591                                 err = pcxhr_set_stream_state(stream);
592                 }
593         }
594
595         /* synchronous start of all the pipes concerned */
596         err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
597         if (err) {
598                 mutex_unlock(&mgr->setup_mutex);
599                 snd_printk(KERN_ERR "pcxhr_trigger_tasklet : error start pipes (P%x C%x)\n",
600                            playback_mask, capture_mask);
601                 return;
602         }
603
604         /* put the streams into the running state now (increment pointer by interrupt) */
605         spin_lock_irqsave(&mgr->lock, flags);
606         for ( i =0; i < mgr->num_cards; i++) {
607                 struct pcxhr_stream *stream;
608                 chip = mgr->chip[i];
609                 for(j = 0; j < chip->nb_streams_capt; j++) {
610                         stream = &chip->capture_stream[j];
611                         if(stream->status == PCXHR_STREAM_STATUS_STARTED)
612                                 stream->status = PCXHR_STREAM_STATUS_RUNNING;
613                 }
614                 for (j = 0; j < chip->nb_streams_play; j++) {
615                         stream = &chip->playback_stream[j];
616                         if (stream->status == PCXHR_STREAM_STATUS_STARTED) {
617                                 /* playback will already have advanced ! */
618                                 stream->timer_period_frag += PCXHR_GRANULARITY;
619                                 stream->status = PCXHR_STREAM_STATUS_RUNNING;
620                         }
621                 }
622         }
623         spin_unlock_irqrestore(&mgr->lock, flags);
624
625         mutex_unlock(&mgr->setup_mutex);
626
627 #ifdef CONFIG_SND_DEBUG_DETECT
628         do_gettimeofday(&my_tv2);
629         snd_printdd("***TRIGGER TASKLET*** TIME = %ld (err = %x)\n",
630                     my_tv2.tv_usec - my_tv1.tv_usec, err);
631 #endif
632 }
633
634
635 /*
636  *  trigger callback
637  */
638 static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd)
639 {
640         struct pcxhr_stream *stream;
641         struct snd_pcm_substream *s;
642
643         switch (cmd) {
644         case SNDRV_PCM_TRIGGER_START:
645                 snd_printdd("SNDRV_PCM_TRIGGER_START\n");
646                 if (snd_pcm_stream_linked(subs)) {
647                         struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
648                         snd_pcm_group_for_each_entry(s, subs) {
649                                 if (snd_pcm_substream_chip(s) != chip)
650                                         continue;
651                                 stream = s->runtime->private_data;
652                                 stream->status =
653                                         PCXHR_STREAM_STATUS_SCHEDULE_RUN;
654                                 snd_pcm_trigger_done(s, subs);
655                         }
656                         tasklet_hi_schedule(&chip->mgr->trigger_taskq);
657                 } else {
658                         stream = subs->runtime->private_data;
659                         snd_printdd("Only one Substream %c %d\n",
660                                     stream->pipe->is_capture ? 'C' : 'P',
661                                     stream->pipe->first_audio);
662                         if (pcxhr_set_format(stream))
663                                 return -EINVAL;
664                         if (pcxhr_update_r_buffer(stream))
665                                 return -EINVAL;
666
667                         if (pcxhr_set_stream_state(stream))
668                                 return -EINVAL;
669                         stream->status = PCXHR_STREAM_STATUS_RUNNING;
670                 }
671                 break;
672         case SNDRV_PCM_TRIGGER_STOP:
673                 snd_printdd("SNDRV_PCM_TRIGGER_STOP\n");
674                 snd_pcm_group_for_each_entry(s, subs) {
675                         stream = s->runtime->private_data;
676                         stream->status = PCXHR_STREAM_STATUS_SCHEDULE_STOP;
677                         if (pcxhr_set_stream_state(stream))
678                                 return -EINVAL;
679                         snd_pcm_trigger_done(s, subs);
680                 }
681                 break;
682         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
683         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
684                 /* TODO */
685         default:
686                 return -EINVAL;
687         }
688         return 0;
689 }
690
691
692 static int pcxhr_hardware_timer(struct pcxhr_mgr *mgr, int start)
693 {
694         struct pcxhr_rmh rmh;
695         int err;
696
697         pcxhr_init_rmh(&rmh, CMD_SET_TIMER_INTERRUPT);
698         if (start) {
699                 mgr->dsp_time_last = PCXHR_DSP_TIME_INVALID;    /* last dsp time invalid */
700                 rmh.cmd[0] |= PCXHR_GRANULARITY;
701         }
702         err = pcxhr_send_msg(mgr, &rmh);
703         if (err < 0)
704                 snd_printk(KERN_ERR "error pcxhr_hardware_timer err(%x)\n", err);
705         return err;
706 }
707
708 /*
709  *  prepare callback for all pcms
710  */
711 static int pcxhr_prepare(struct snd_pcm_substream *subs)
712 {
713         struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
714         struct pcxhr_mgr *mgr = chip->mgr;
715         /*
716         struct pcxhr_stream *stream = (pcxhr_stream_t*)subs->runtime->private_data;
717         */
718         int err = 0;
719
720         snd_printdd("pcxhr_prepare : period_size(%lx) periods(%x) buffer_size(%lx)\n",
721                     subs->runtime->period_size, subs->runtime->periods,
722                     subs->runtime->buffer_size);
723
724         /*
725         if(subs->runtime->period_size <= PCXHR_GRANULARITY) {
726                 snd_printk(KERN_ERR "pcxhr_prepare : error period_size too small (%x)\n",
727                            (unsigned int)subs->runtime->period_size);
728                 return -EINVAL;
729         }
730         */
731
732         mutex_lock(&mgr->setup_mutex);
733
734         do {
735                 /* if the stream was stopped before, format and buffer were reset */
736                 /*
737                 if(stream->status == PCXHR_STREAM_STATUS_STOPPED) {
738                         err = pcxhr_set_format(stream);
739                         if(err) break;
740                         err = pcxhr_update_r_buffer(stream);
741                         if(err) break;
742                 }
743                 */
744
745                 /* only the first stream can choose the sample rate */
746                 /* the further opened streams will be limited to its frequency (see open) */
747                 /* set the clock only once (first stream) */
748                 if (mgr->sample_rate != subs->runtime->rate) {
749                         err = pcxhr_set_clock(mgr, subs->runtime->rate);
750                         if (err)
751                                 break;
752                         if (mgr->sample_rate == 0)
753                                 /* start the DSP-timer */
754                                 err = pcxhr_hardware_timer(mgr, 1);
755                         mgr->sample_rate = subs->runtime->rate;
756                 }
757         } while(0);     /* do only once (so we can use break instead of goto) */
758
759         mutex_unlock(&mgr->setup_mutex);
760
761         return err;
762 }
763
764
765 /*
766  *  HW_PARAMS callback for all pcms
767  */
768 static int pcxhr_hw_params(struct snd_pcm_substream *subs,
769                            struct snd_pcm_hw_params *hw)
770 {
771         struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
772         struct pcxhr_mgr *mgr = chip->mgr;
773         struct pcxhr_stream *stream = subs->runtime->private_data;
774         snd_pcm_format_t format;
775         int err;
776         int channels;
777
778         /* set up channels */
779         channels = params_channels(hw);
780
781         /*  set up format for the stream */
782         format = params_format(hw);
783
784         mutex_lock(&mgr->setup_mutex);
785
786         stream->channels = channels;
787         stream->format = format;
788
789         /* set the format to the board */
790         /*
791         err = pcxhr_set_format(stream);
792         if(err) {
793                 mutex_unlock(&mgr->setup_mutex);
794                 return err;
795         }
796         */
797         /* allocate buffer */
798         err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw));
799
800         /*
801         if (err > 0) {
802                 err = pcxhr_update_r_buffer(stream);
803         }
804         */
805         mutex_unlock(&mgr->setup_mutex);
806
807         return err;
808 }
809
810 static int pcxhr_hw_free(struct snd_pcm_substream *subs)
811 {
812         snd_pcm_lib_free_pages(subs);
813         return 0;
814 }
815
816
817 /*
818  *  CONFIGURATION SPACE for all pcms, mono pcm must update channels_max
819  */
820 static struct snd_pcm_hardware pcxhr_caps =
821 {
822         .info             = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
823                               SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
824                               0 /*SNDRV_PCM_INFO_PAUSE*/),
825         .formats          = ( SNDRV_PCM_FMTBIT_U8 |
826                               SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
827                               SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
828                               SNDRV_PCM_FMTBIT_FLOAT_LE ),
829         .rates            = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_192000,
830         .rate_min         = 8000,
831         .rate_max         = 192000,
832         .channels_min     = 1,
833         .channels_max     = 2,
834         .buffer_bytes_max = (32*1024),
835         /* 1 byte == 1 frame U8 mono (PCXHR_GRANULARITY is frames!) */
836         .period_bytes_min = (2*PCXHR_GRANULARITY),
837         .period_bytes_max = (16*1024),
838         .periods_min      = 2,
839         .periods_max      = (32*1024/PCXHR_GRANULARITY),
840 };
841
842
843 static int pcxhr_open(struct snd_pcm_substream *subs)
844 {
845         struct snd_pcxhr       *chip = snd_pcm_substream_chip(subs);
846         struct pcxhr_mgr       *mgr = chip->mgr;
847         struct snd_pcm_runtime *runtime = subs->runtime;
848         struct pcxhr_stream    *stream;
849         int                 is_capture;
850
851         mutex_lock(&mgr->setup_mutex);
852
853         /* copy the struct snd_pcm_hardware struct */
854         runtime->hw = pcxhr_caps;
855
856         if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) {
857                 snd_printdd("pcxhr_open playback chip%d subs%d\n",
858                             chip->chip_idx, subs->number);
859                 is_capture = 0;
860                 stream = &chip->playback_stream[subs->number];
861         } else {
862                 snd_printdd("pcxhr_open capture chip%d subs%d\n",
863                             chip->chip_idx, subs->number);
864                 is_capture = 1;
865                 if (mgr->mono_capture)
866                         runtime->hw.channels_max = 1;
867                 else
868                         runtime->hw.channels_min = 2;
869                 stream = &chip->capture_stream[subs->number];
870         }
871         if (stream->status != PCXHR_STREAM_STATUS_FREE){
872                 /* streams in use */
873                 snd_printk(KERN_ERR "pcxhr_open chip%d subs%d in use\n",
874                            chip->chip_idx, subs->number);
875                 mutex_unlock(&mgr->setup_mutex);
876                 return -EBUSY;
877         }
878
879         /* if a sample rate is already used or fixed by external clock,
880          * the stream cannot change
881          */
882         if (mgr->sample_rate)
883                 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
884         else {
885                 if (mgr->use_clock_type != PCXHR_CLOCK_TYPE_INTERNAL) {
886                         int external_rate;
887                         if (pcxhr_get_external_clock(mgr, mgr->use_clock_type,
888                                                      &external_rate) ||
889                             external_rate == 0) {
890                                 /* cannot detect the external clock rate */
891                                 mutex_unlock(&mgr->setup_mutex);
892                                 return -EBUSY;
893                         }
894                         runtime->hw.rate_min = runtime->hw.rate_max = external_rate;
895                 }
896         }
897
898         stream->status      = PCXHR_STREAM_STATUS_OPEN;
899         stream->substream   = subs;
900         stream->channels    = 0; /* not configured yet */
901
902         runtime->private_data = stream;
903
904         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 4);
905         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 4);
906
907         snd_pcm_set_sync(subs);
908
909         mgr->ref_count_rate++;
910
911         mutex_unlock(&mgr->setup_mutex);
912         return 0;
913 }
914
915
916 static int pcxhr_close(struct snd_pcm_substream *subs)
917 {
918         struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
919         struct pcxhr_mgr *mgr = chip->mgr;
920         struct pcxhr_stream *stream = subs->runtime->private_data;
921
922         mutex_lock(&mgr->setup_mutex);
923
924         snd_printdd("pcxhr_close chip%d subs%d\n", chip->chip_idx, subs->number);
925
926         /* sample rate released */
927         if (--mgr->ref_count_rate == 0) {
928                 mgr->sample_rate = 0;           /* the sample rate is no more locked */
929                 pcxhr_hardware_timer(mgr, 0);   /* stop the DSP-timer */
930         }
931
932         stream->status    = PCXHR_STREAM_STATUS_FREE;
933         stream->substream = NULL;
934
935         mutex_unlock(&mgr->setup_mutex);
936
937         return 0;
938 }
939
940
941 static snd_pcm_uframes_t pcxhr_stream_pointer(struct snd_pcm_substream *subs)
942 {
943         unsigned long flags;
944         u_int32_t timer_period_frag;
945         int timer_buf_periods;
946         struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
947         struct snd_pcm_runtime *runtime = subs->runtime;
948         struct pcxhr_stream *stream  = runtime->private_data;
949
950         spin_lock_irqsave(&chip->mgr->lock, flags);
951
952         /* get the period fragment and the nb of periods in the buffer */
953         timer_period_frag = stream->timer_period_frag;
954         timer_buf_periods = stream->timer_buf_periods;
955
956         spin_unlock_irqrestore(&chip->mgr->lock, flags);
957
958         return (snd_pcm_uframes_t)((timer_buf_periods * runtime->period_size) +
959                                    timer_period_frag);
960 }
961
962
963 static struct snd_pcm_ops pcxhr_ops = {
964         .open      = pcxhr_open,
965         .close     = pcxhr_close,
966         .ioctl     = snd_pcm_lib_ioctl,
967         .prepare   = pcxhr_prepare,
968         .hw_params = pcxhr_hw_params,
969         .hw_free   = pcxhr_hw_free,
970         .trigger   = pcxhr_trigger,
971         .pointer   = pcxhr_stream_pointer,
972 };
973
974 /*
975  */
976 int pcxhr_create_pcm(struct snd_pcxhr *chip)
977 {
978         int err;
979         struct snd_pcm *pcm;
980         char name[32];
981
982         sprintf(name, "pcxhr %d", chip->chip_idx);
983         if ((err = snd_pcm_new(chip->card, name, 0,
984                                chip->nb_streams_play,
985                                chip->nb_streams_capt, &pcm)) < 0) {
986                 snd_printk(KERN_ERR "cannot create pcm %s\n", name);
987                 return err;
988         }
989         pcm->private_data = chip;
990
991         if (chip->nb_streams_play)
992                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcxhr_ops);
993         if (chip->nb_streams_capt)
994                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcxhr_ops);
995
996         pcm->info_flags = 0;
997         strcpy(pcm->name, name);
998
999         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1000                                               snd_dma_pci_data(chip->mgr->pci),
1001                                               32*1024, 32*1024);
1002         chip->pcm = pcm;
1003         return 0;
1004 }
1005
1006 static int pcxhr_chip_free(struct snd_pcxhr *chip)
1007 {
1008         kfree(chip);
1009         return 0;
1010 }
1011
1012 static int pcxhr_chip_dev_free(struct snd_device *device)
1013 {
1014         struct snd_pcxhr *chip = device->device_data;
1015         return pcxhr_chip_free(chip);
1016 }
1017
1018
1019 /*
1020  */
1021 static int __devinit pcxhr_create(struct pcxhr_mgr *mgr, struct snd_card *card, int idx)
1022 {
1023         int err;
1024         struct snd_pcxhr *chip;
1025         static struct snd_device_ops ops = {
1026                 .dev_free = pcxhr_chip_dev_free,
1027         };
1028
1029         mgr->chip[idx] = chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1030         if (! chip) {
1031                 snd_printk(KERN_ERR "cannot allocate chip\n");
1032                 return -ENOMEM;
1033         }
1034
1035         chip->card = card;
1036         chip->chip_idx = idx;
1037         chip->mgr = mgr;
1038
1039         if (idx < mgr->playback_chips)
1040                 /* stereo or mono streams */
1041                 chip->nb_streams_play = PCXHR_PLAYBACK_STREAMS;
1042
1043         if (idx < mgr->capture_chips) {
1044                 if (mgr->mono_capture)
1045                         chip->nb_streams_capt = 2;      /* 2 mono streams (left+right) */
1046                 else
1047                         chip->nb_streams_capt = 1;      /* or 1 stereo stream */
1048         }
1049
1050         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1051                 pcxhr_chip_free(chip);
1052                 return err;
1053         }
1054
1055         snd_card_set_dev(card, &mgr->pci->dev);
1056
1057         return 0;
1058 }
1059
1060 /* proc interface */
1061 static void pcxhr_proc_info(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1062 {
1063         struct snd_pcxhr *chip = entry->private_data;
1064         struct pcxhr_mgr *mgr = chip->mgr;
1065
1066         snd_iprintf(buffer, "\n%s\n", mgr->longname);
1067
1068         /* stats available when embedded DSP is running */
1069         if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
1070                 struct pcxhr_rmh rmh;
1071                 short ver_maj = (mgr->dsp_version >> 16) & 0xff;
1072                 short ver_min = (mgr->dsp_version >> 8) & 0xff;
1073                 short ver_build = mgr->dsp_version & 0xff;
1074                 snd_iprintf(buffer, "module version %s\n", PCXHR_DRIVER_VERSION_STRING);
1075                 snd_iprintf(buffer, "dsp version %d.%d.%d\n", ver_maj, ver_min, ver_build);
1076                 if (mgr->board_has_analog)
1077                         snd_iprintf(buffer, "analog io available\n");
1078                 else
1079                         snd_iprintf(buffer, "digital only board\n");
1080
1081                 /* calc cpu load of the dsp */
1082                 pcxhr_init_rmh(&rmh, CMD_GET_DSP_RESOURCES);
1083                 if( ! pcxhr_send_msg(mgr, &rmh) ) {
1084                         int cur = rmh.stat[0];
1085                         int ref = rmh.stat[1];
1086                         if (ref > 0) {
1087                                 if (mgr->sample_rate_real != 0 &&
1088                                     mgr->sample_rate_real != 48000) {
1089                                         ref = (ref * 48000) / mgr->sample_rate_real;
1090                                         if (mgr->sample_rate_real >= PCXHR_IRQ_TIMER_FREQ)
1091                                                 ref *= 2;
1092                                 }
1093                                 cur = 100 - (100 * cur) / ref;
1094                                 snd_iprintf(buffer, "cpu load    %d%%\n", cur);
1095                                 snd_iprintf(buffer, "buffer pool %d/%d kWords\n",
1096                                             rmh.stat[2], rmh.stat[3]);
1097                         }
1098                 }
1099                 snd_iprintf(buffer, "dma granularity : %d\n", PCXHR_GRANULARITY);
1100                 snd_iprintf(buffer, "dsp time errors : %d\n", mgr->dsp_time_err);
1101                 snd_iprintf(buffer, "dsp async pipe xrun errors : %d\n",
1102                             mgr->async_err_pipe_xrun);
1103                 snd_iprintf(buffer, "dsp async stream xrun errors : %d\n",
1104                             mgr->async_err_stream_xrun);
1105                 snd_iprintf(buffer, "dsp async last other error : %x\n",
1106                             mgr->async_err_other_last);
1107                 /* debug zone dsp */
1108                 rmh.cmd[0] = 0x4200 + PCXHR_SIZE_MAX_STATUS;
1109                 rmh.cmd_len = 1;
1110                 rmh.stat_len = PCXHR_SIZE_MAX_STATUS;
1111                 rmh.dsp_stat = 0;
1112                 rmh.cmd_idx = CMD_LAST_INDEX;
1113                 if( ! pcxhr_send_msg(mgr, &rmh) ) {
1114                         int i;
1115                         for (i = 0; i < rmh.stat_len; i++)
1116                                 snd_iprintf(buffer, "debug[%02d] = %06x\n", i,  rmh.stat[i]);
1117                 }
1118         } else
1119                 snd_iprintf(buffer, "no firmware loaded\n");
1120         snd_iprintf(buffer, "\n");
1121 }
1122 static void pcxhr_proc_sync(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1123 {
1124         struct snd_pcxhr *chip = entry->private_data;
1125         struct pcxhr_mgr *mgr = chip->mgr;
1126         static char *texts[7] = {
1127                 "Internal", "Word", "AES Sync", "AES 1", "AES 2", "AES 3", "AES 4"
1128         };
1129
1130         snd_iprintf(buffer, "\n%s\n", mgr->longname);
1131         snd_iprintf(buffer, "Current Sample Clock\t: %s\n", texts[mgr->cur_clock_type]);
1132         snd_iprintf(buffer, "Current Sample Rate\t= %d\n", mgr->sample_rate_real);
1133
1134         /* commands available when embedded DSP is running */
1135         if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
1136                 int i, err, sample_rate;
1137                 for (i = PCXHR_CLOCK_TYPE_WORD_CLOCK; i< (3 + mgr->capture_chips); i++) {
1138                         err = pcxhr_get_external_clock(mgr, i, &sample_rate);
1139                         if (err)
1140                                 break;
1141                         snd_iprintf(buffer, "%s Clock\t\t= %d\n", texts[i], sample_rate);
1142                 }
1143         } else
1144                 snd_iprintf(buffer, "no firmware loaded\n");
1145         snd_iprintf(buffer, "\n");
1146 }
1147
1148 static void __devinit pcxhr_proc_init(struct snd_pcxhr *chip)
1149 {
1150         struct snd_info_entry *entry;
1151
1152         if (! snd_card_proc_new(chip->card, "info", &entry))
1153                 snd_info_set_text_ops(entry, chip, pcxhr_proc_info);
1154         if (! snd_card_proc_new(chip->card, "sync", &entry))
1155                 snd_info_set_text_ops(entry, chip, pcxhr_proc_sync);
1156 }
1157 /* end of proc interface */
1158
1159 /*
1160  * release all the cards assigned to a manager instance
1161  */
1162 static int pcxhr_free(struct pcxhr_mgr *mgr)
1163 {
1164         unsigned int i;
1165
1166         for (i = 0; i < mgr->num_cards; i++) {
1167                 if (mgr->chip[i])
1168                         snd_card_free(mgr->chip[i]->card);
1169         }
1170
1171         /* reset board if some firmware was loaded */
1172         if(mgr->dsp_loaded) {
1173                 pcxhr_reset_board(mgr);
1174                 snd_printdd("reset pcxhr !\n");
1175         }
1176
1177         /* release irq  */
1178         if (mgr->irq >= 0)
1179                 free_irq(mgr->irq, mgr);
1180
1181         pci_release_regions(mgr->pci);
1182
1183         /* free hostport purgebuffer */
1184         if (mgr->hostport.area) {
1185                 snd_dma_free_pages(&mgr->hostport);
1186                 mgr->hostport.area = NULL;
1187         }
1188
1189         kfree(mgr->prmh);
1190
1191         pci_disable_device(mgr->pci);
1192         kfree(mgr);
1193         return 0;
1194 }
1195
1196 /*
1197  *    probe function - creates the card manager
1198  */
1199 static int __devinit pcxhr_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
1200 {
1201         static int dev;
1202         struct pcxhr_mgr *mgr;
1203         unsigned int i;
1204         int err;
1205         size_t size;
1206         char *card_name;
1207
1208         if (dev >= SNDRV_CARDS)
1209                 return -ENODEV;
1210         if (! enable[dev]) {
1211                 dev++;
1212                 return -ENOENT;
1213         }
1214
1215         /* enable PCI device */
1216         if ((err = pci_enable_device(pci)) < 0)
1217                 return err;
1218         pci_set_master(pci);
1219
1220         /* check if we can restrict PCI DMA transfers to 32 bits */
1221         if (pci_set_dma_mask(pci, DMA_32BIT_MASK) < 0) {
1222                 snd_printk(KERN_ERR "architecture does not support 32bit PCI busmaster DMA\n");
1223                 pci_disable_device(pci);
1224                 return -ENXIO;
1225         }
1226
1227         /* alloc card manager */
1228         mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
1229         if (! mgr) {
1230                 pci_disable_device(pci);
1231                 return -ENOMEM;
1232         }
1233
1234         snd_assert(pci_id->driver_data < PCI_ID_LAST, return -ENODEV);
1235         card_name = pcxhr_board_params[pci_id->driver_data].board_name;
1236         mgr->playback_chips = pcxhr_board_params[pci_id->driver_data].playback_chips;
1237         mgr->capture_chips  = pcxhr_board_params[pci_id->driver_data].capture_chips;
1238         mgr->firmware_num  = pcxhr_board_params[pci_id->driver_data].firmware_num;
1239         mgr->mono_capture = mono[dev];
1240
1241         /* resource assignment */
1242         if ((err = pci_request_regions(pci, card_name)) < 0) {
1243                 kfree(mgr);
1244                 pci_disable_device(pci);
1245                 return err;
1246         }
1247         for (i = 0; i < 3; i++)
1248                 mgr->port[i] = pci_resource_start(pci, i);
1249
1250         mgr->pci = pci;
1251         mgr->irq = -1;
1252
1253         if (request_irq(pci->irq, pcxhr_interrupt, IRQF_SHARED,
1254                         card_name, mgr)) {
1255                 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
1256                 pcxhr_free(mgr);
1257                 return -EBUSY;
1258         }
1259         mgr->irq = pci->irq;
1260
1261         sprintf(mgr->shortname, "Digigram %s", card_name);
1262         sprintf(mgr->longname, "%s at 0x%lx & 0x%lx, 0x%lx irq %i", mgr->shortname,
1263                 mgr->port[0], mgr->port[1], mgr->port[2], mgr->irq);
1264
1265         /* ISR spinlock  */
1266         spin_lock_init(&mgr->lock);
1267         spin_lock_init(&mgr->msg_lock);
1268
1269         /* init setup mutex*/
1270         mutex_init(&mgr->setup_mutex);
1271
1272         /* init taslket */
1273         tasklet_init(&mgr->msg_taskq, pcxhr_msg_tasklet, (unsigned long) mgr);
1274         tasklet_init(&mgr->trigger_taskq, pcxhr_trigger_tasklet, (unsigned long) mgr);
1275         mgr->prmh = kmalloc(sizeof(*mgr->prmh) + 
1276                             sizeof(u32) * (PCXHR_SIZE_MAX_LONG_STATUS - PCXHR_SIZE_MAX_STATUS),
1277                             GFP_KERNEL);
1278         if (! mgr->prmh) {
1279                 pcxhr_free(mgr);
1280                 return -ENOMEM;
1281         }
1282
1283         for (i=0; i < PCXHR_MAX_CARDS; i++) {
1284                 struct snd_card *card;
1285                 char tmpid[16];
1286                 int idx;
1287
1288                 if (i >= max(mgr->playback_chips, mgr->capture_chips))
1289                         break;
1290                 mgr->num_cards++;
1291
1292                 if (index[dev] < 0)
1293                         idx = index[dev];
1294                 else
1295                         idx = index[dev] + i;
1296
1297                 snprintf(tmpid, sizeof(tmpid), "%s-%d", id[dev] ? id[dev] : card_name, i);
1298                 card = snd_card_new(idx, tmpid, THIS_MODULE, 0);
1299
1300                 if (! card) {
1301                         snd_printk(KERN_ERR "cannot allocate the card %d\n", i);
1302                         pcxhr_free(mgr);
1303                         return -ENOMEM;
1304                 }
1305
1306                 strcpy(card->driver, DRIVER_NAME);
1307                 sprintf(card->shortname, "%s [PCM #%d]", mgr->shortname, i);
1308                 sprintf(card->longname, "%s [PCM #%d]", mgr->longname, i);
1309
1310                 if ((err = pcxhr_create(mgr, card, i)) < 0) {
1311                         pcxhr_free(mgr);
1312                         return err;
1313                 }
1314
1315                 if (i == 0)
1316                         /* init proc interface only for chip0 */
1317                         pcxhr_proc_init(mgr->chip[i]);
1318
1319                 if ((err = snd_card_register(card)) < 0) {
1320                         pcxhr_free(mgr);
1321                         return err;
1322                 }
1323         }
1324
1325         /* create hostport purgebuffer */
1326         size = PAGE_ALIGN(sizeof(struct pcxhr_hostport));
1327         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1328                                 size, &mgr->hostport) < 0) {
1329                 pcxhr_free(mgr);
1330                 return -ENOMEM;
1331         }
1332         /* init purgebuffer */
1333         memset(mgr->hostport.area, 0, size);
1334
1335         /* create a DSP loader */
1336         err = pcxhr_setup_firmware(mgr);
1337         if (err < 0) {
1338                 pcxhr_free(mgr);
1339                 return err;
1340         }
1341
1342         pci_set_drvdata(pci, mgr);
1343         dev++;
1344         return 0;
1345 }
1346
1347 static void __devexit pcxhr_remove(struct pci_dev *pci)
1348 {
1349         pcxhr_free(pci_get_drvdata(pci));
1350         pci_set_drvdata(pci, NULL);
1351 }
1352
1353 static struct pci_driver driver = {
1354         .name = "Digigram pcxhr",
1355         .id_table = pcxhr_ids,
1356         .probe = pcxhr_probe,
1357         .remove = __devexit_p(pcxhr_remove),
1358 };
1359
1360 static int __init pcxhr_module_init(void)
1361 {
1362         return pci_register_driver(&driver);
1363 }
1364
1365 static void __exit pcxhr_module_exit(void)
1366 {
1367         pci_unregister_driver(&driver);
1368 }
1369
1370 module_init(pcxhr_module_init)
1371 module_exit(pcxhr_module_exit)