Merge branch 'libertas' of git://git.kernel.org/pub/scm/linux/kernel/git/linville...
[linux-2.6] / 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                                 stream = s->runtime->private_data;
650                                 stream->status =
651                                         PCXHR_STREAM_STATUS_SCHEDULE_RUN;
652                                 snd_pcm_trigger_done(s, subs);
653                         }
654                         tasklet_hi_schedule(&chip->mgr->trigger_taskq);
655                 } else {
656                         stream = subs->runtime->private_data;
657                         snd_printdd("Only one Substream %c %d\n",
658                                     stream->pipe->is_capture ? 'C' : 'P',
659                                     stream->pipe->first_audio);
660                         if (pcxhr_set_format(stream))
661                                 return -EINVAL;
662                         if (pcxhr_update_r_buffer(stream))
663                                 return -EINVAL;
664
665                         if (pcxhr_set_stream_state(stream))
666                                 return -EINVAL;
667                         stream->status = PCXHR_STREAM_STATUS_RUNNING;
668                 }
669                 break;
670         case SNDRV_PCM_TRIGGER_STOP:
671                 snd_printdd("SNDRV_PCM_TRIGGER_STOP\n");
672                 snd_pcm_group_for_each_entry(s, subs) {
673                         stream = s->runtime->private_data;
674                         stream->status = PCXHR_STREAM_STATUS_SCHEDULE_STOP;
675                         if (pcxhr_set_stream_state(stream))
676                                 return -EINVAL;
677                         snd_pcm_trigger_done(s, subs);
678                 }
679                 break;
680         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
681         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
682                 /* TODO */
683         default:
684                 return -EINVAL;
685         }
686         return 0;
687 }
688
689
690 static int pcxhr_hardware_timer(struct pcxhr_mgr *mgr, int start)
691 {
692         struct pcxhr_rmh rmh;
693         int err;
694
695         pcxhr_init_rmh(&rmh, CMD_SET_TIMER_INTERRUPT);
696         if (start) {
697                 mgr->dsp_time_last = PCXHR_DSP_TIME_INVALID;    /* last dsp time invalid */
698                 rmh.cmd[0] |= PCXHR_GRANULARITY;
699         }
700         err = pcxhr_send_msg(mgr, &rmh);
701         if (err < 0)
702                 snd_printk(KERN_ERR "error pcxhr_hardware_timer err(%x)\n", err);
703         return err;
704 }
705
706 /*
707  *  prepare callback for all pcms
708  */
709 static int pcxhr_prepare(struct snd_pcm_substream *subs)
710 {
711         struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
712         struct pcxhr_mgr *mgr = chip->mgr;
713         /*
714         struct pcxhr_stream *stream = (pcxhr_stream_t*)subs->runtime->private_data;
715         */
716         int err = 0;
717
718         snd_printdd("pcxhr_prepare : period_size(%lx) periods(%x) buffer_size(%lx)\n",
719                     subs->runtime->period_size, subs->runtime->periods,
720                     subs->runtime->buffer_size);
721
722         /*
723         if(subs->runtime->period_size <= PCXHR_GRANULARITY) {
724                 snd_printk(KERN_ERR "pcxhr_prepare : error period_size too small (%x)\n",
725                            (unsigned int)subs->runtime->period_size);
726                 return -EINVAL;
727         }
728         */
729
730         mutex_lock(&mgr->setup_mutex);
731
732         do {
733                 /* if the stream was stopped before, format and buffer were reset */
734                 /*
735                 if(stream->status == PCXHR_STREAM_STATUS_STOPPED) {
736                         err = pcxhr_set_format(stream);
737                         if(err) break;
738                         err = pcxhr_update_r_buffer(stream);
739                         if(err) break;
740                 }
741                 */
742
743                 /* only the first stream can choose the sample rate */
744                 /* the further opened streams will be limited to its frequency (see open) */
745                 /* set the clock only once (first stream) */
746                 if (mgr->sample_rate != subs->runtime->rate) {
747                         err = pcxhr_set_clock(mgr, subs->runtime->rate);
748                         if (err)
749                                 break;
750                         if (mgr->sample_rate == 0)
751                                 /* start the DSP-timer */
752                                 err = pcxhr_hardware_timer(mgr, 1);
753                         mgr->sample_rate = subs->runtime->rate;
754                 }
755         } while(0);     /* do only once (so we can use break instead of goto) */
756
757         mutex_unlock(&mgr->setup_mutex);
758
759         return err;
760 }
761
762
763 /*
764  *  HW_PARAMS callback for all pcms
765  */
766 static int pcxhr_hw_params(struct snd_pcm_substream *subs,
767                            struct snd_pcm_hw_params *hw)
768 {
769         struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
770         struct pcxhr_mgr *mgr = chip->mgr;
771         struct pcxhr_stream *stream = subs->runtime->private_data;
772         snd_pcm_format_t format;
773         int err;
774         int channels;
775
776         /* set up channels */
777         channels = params_channels(hw);
778
779         /*  set up format for the stream */
780         format = params_format(hw);
781
782         mutex_lock(&mgr->setup_mutex);
783
784         stream->channels = channels;
785         stream->format = format;
786
787         /* set the format to the board */
788         /*
789         err = pcxhr_set_format(stream);
790         if(err) {
791                 mutex_unlock(&mgr->setup_mutex);
792                 return err;
793         }
794         */
795         /* allocate buffer */
796         err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw));
797
798         /*
799         if (err > 0) {
800                 err = pcxhr_update_r_buffer(stream);
801         }
802         */
803         mutex_unlock(&mgr->setup_mutex);
804
805         return err;
806 }
807
808 static int pcxhr_hw_free(struct snd_pcm_substream *subs)
809 {
810         snd_pcm_lib_free_pages(subs);
811         return 0;
812 }
813
814
815 /*
816  *  CONFIGURATION SPACE for all pcms, mono pcm must update channels_max
817  */
818 static struct snd_pcm_hardware pcxhr_caps =
819 {
820         .info             = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
821                               SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
822                               0 /*SNDRV_PCM_INFO_PAUSE*/),
823         .formats          = ( SNDRV_PCM_FMTBIT_U8 |
824                               SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
825                               SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
826                               SNDRV_PCM_FMTBIT_FLOAT_LE ),
827         .rates            = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_192000,
828         .rate_min         = 8000,
829         .rate_max         = 192000,
830         .channels_min     = 1,
831         .channels_max     = 2,
832         .buffer_bytes_max = (32*1024),
833         /* 1 byte == 1 frame U8 mono (PCXHR_GRANULARITY is frames!) */
834         .period_bytes_min = (2*PCXHR_GRANULARITY),
835         .period_bytes_max = (16*1024),
836         .periods_min      = 2,
837         .periods_max      = (32*1024/PCXHR_GRANULARITY),
838 };
839
840
841 static int pcxhr_open(struct snd_pcm_substream *subs)
842 {
843         struct snd_pcxhr       *chip = snd_pcm_substream_chip(subs);
844         struct pcxhr_mgr       *mgr = chip->mgr;
845         struct snd_pcm_runtime *runtime = subs->runtime;
846         struct pcxhr_stream    *stream;
847         int                 is_capture;
848
849         mutex_lock(&mgr->setup_mutex);
850
851         /* copy the struct snd_pcm_hardware struct */
852         runtime->hw = pcxhr_caps;
853
854         if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) {
855                 snd_printdd("pcxhr_open playback chip%d subs%d\n",
856                             chip->chip_idx, subs->number);
857                 is_capture = 0;
858                 stream = &chip->playback_stream[subs->number];
859         } else {
860                 snd_printdd("pcxhr_open capture chip%d subs%d\n",
861                             chip->chip_idx, subs->number);
862                 is_capture = 1;
863                 if (mgr->mono_capture)
864                         runtime->hw.channels_max = 1;
865                 else
866                         runtime->hw.channels_min = 2;
867                 stream = &chip->capture_stream[subs->number];
868         }
869         if (stream->status != PCXHR_STREAM_STATUS_FREE){
870                 /* streams in use */
871                 snd_printk(KERN_ERR "pcxhr_open chip%d subs%d in use\n",
872                            chip->chip_idx, subs->number);
873                 mutex_unlock(&mgr->setup_mutex);
874                 return -EBUSY;
875         }
876
877         /* if a sample rate is already used or fixed by external clock,
878          * the stream cannot change
879          */
880         if (mgr->sample_rate)
881                 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
882         else {
883                 if (mgr->use_clock_type != PCXHR_CLOCK_TYPE_INTERNAL) {
884                         int external_rate;
885                         if (pcxhr_get_external_clock(mgr, mgr->use_clock_type,
886                                                      &external_rate) ||
887                             external_rate == 0) {
888                                 /* cannot detect the external clock rate */
889                                 mutex_unlock(&mgr->setup_mutex);
890                                 return -EBUSY;
891                         }
892                         runtime->hw.rate_min = runtime->hw.rate_max = external_rate;
893                 }
894         }
895
896         stream->status      = PCXHR_STREAM_STATUS_OPEN;
897         stream->substream   = subs;
898         stream->channels    = 0; /* not configured yet */
899
900         runtime->private_data = stream;
901
902         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 4);
903         snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 4);
904
905         mgr->ref_count_rate++;
906
907         mutex_unlock(&mgr->setup_mutex);
908         return 0;
909 }
910
911
912 static int pcxhr_close(struct snd_pcm_substream *subs)
913 {
914         struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
915         struct pcxhr_mgr *mgr = chip->mgr;
916         struct pcxhr_stream *stream = subs->runtime->private_data;
917
918         mutex_lock(&mgr->setup_mutex);
919
920         snd_printdd("pcxhr_close chip%d subs%d\n", chip->chip_idx, subs->number);
921
922         /* sample rate released */
923         if (--mgr->ref_count_rate == 0) {
924                 mgr->sample_rate = 0;           /* the sample rate is no more locked */
925                 pcxhr_hardware_timer(mgr, 0);   /* stop the DSP-timer */
926         }
927
928         stream->status    = PCXHR_STREAM_STATUS_FREE;
929         stream->substream = NULL;
930
931         mutex_unlock(&mgr->setup_mutex);
932
933         return 0;
934 }
935
936
937 static snd_pcm_uframes_t pcxhr_stream_pointer(struct snd_pcm_substream *subs)
938 {
939         unsigned long flags;
940         u_int32_t timer_period_frag;
941         int timer_buf_periods;
942         struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
943         struct snd_pcm_runtime *runtime = subs->runtime;
944         struct pcxhr_stream *stream  = runtime->private_data;
945
946         spin_lock_irqsave(&chip->mgr->lock, flags);
947
948         /* get the period fragment and the nb of periods in the buffer */
949         timer_period_frag = stream->timer_period_frag;
950         timer_buf_periods = stream->timer_buf_periods;
951
952         spin_unlock_irqrestore(&chip->mgr->lock, flags);
953
954         return (snd_pcm_uframes_t)((timer_buf_periods * runtime->period_size) +
955                                    timer_period_frag);
956 }
957
958
959 static struct snd_pcm_ops pcxhr_ops = {
960         .open      = pcxhr_open,
961         .close     = pcxhr_close,
962         .ioctl     = snd_pcm_lib_ioctl,
963         .prepare   = pcxhr_prepare,
964         .hw_params = pcxhr_hw_params,
965         .hw_free   = pcxhr_hw_free,
966         .trigger   = pcxhr_trigger,
967         .pointer   = pcxhr_stream_pointer,
968 };
969
970 /*
971  */
972 int pcxhr_create_pcm(struct snd_pcxhr *chip)
973 {
974         int err;
975         struct snd_pcm *pcm;
976         char name[32];
977
978         sprintf(name, "pcxhr %d", chip->chip_idx);
979         if ((err = snd_pcm_new(chip->card, name, 0,
980                                chip->nb_streams_play,
981                                chip->nb_streams_capt, &pcm)) < 0) {
982                 snd_printk(KERN_ERR "cannot create pcm %s\n", name);
983                 return err;
984         }
985         pcm->private_data = chip;
986
987         if (chip->nb_streams_play)
988                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcxhr_ops);
989         if (chip->nb_streams_capt)
990                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcxhr_ops);
991
992         pcm->info_flags = 0;
993         strcpy(pcm->name, name);
994
995         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
996                                               snd_dma_pci_data(chip->mgr->pci),
997                                               32*1024, 32*1024);
998         chip->pcm = pcm;
999         return 0;
1000 }
1001
1002 static int pcxhr_chip_free(struct snd_pcxhr *chip)
1003 {
1004         kfree(chip);
1005         return 0;
1006 }
1007
1008 static int pcxhr_chip_dev_free(struct snd_device *device)
1009 {
1010         struct snd_pcxhr *chip = device->device_data;
1011         return pcxhr_chip_free(chip);
1012 }
1013
1014
1015 /*
1016  */
1017 static int __devinit pcxhr_create(struct pcxhr_mgr *mgr, struct snd_card *card, int idx)
1018 {
1019         int err;
1020         struct snd_pcxhr *chip;
1021         static struct snd_device_ops ops = {
1022                 .dev_free = pcxhr_chip_dev_free,
1023         };
1024
1025         mgr->chip[idx] = chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1026         if (! chip) {
1027                 snd_printk(KERN_ERR "cannot allocate chip\n");
1028                 return -ENOMEM;
1029         }
1030
1031         chip->card = card;
1032         chip->chip_idx = idx;
1033         chip->mgr = mgr;
1034
1035         if (idx < mgr->playback_chips)
1036                 /* stereo or mono streams */
1037                 chip->nb_streams_play = PCXHR_PLAYBACK_STREAMS;
1038
1039         if (idx < mgr->capture_chips) {
1040                 if (mgr->mono_capture)
1041                         chip->nb_streams_capt = 2;      /* 2 mono streams (left+right) */
1042                 else
1043                         chip->nb_streams_capt = 1;      /* or 1 stereo stream */
1044         }
1045
1046         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1047                 pcxhr_chip_free(chip);
1048                 return err;
1049         }
1050
1051         snd_card_set_dev(card, &mgr->pci->dev);
1052
1053         return 0;
1054 }
1055
1056 /* proc interface */
1057 static void pcxhr_proc_info(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1058 {
1059         struct snd_pcxhr *chip = entry->private_data;
1060         struct pcxhr_mgr *mgr = chip->mgr;
1061
1062         snd_iprintf(buffer, "\n%s\n", mgr->longname);
1063
1064         /* stats available when embedded DSP is running */
1065         if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
1066                 struct pcxhr_rmh rmh;
1067                 short ver_maj = (mgr->dsp_version >> 16) & 0xff;
1068                 short ver_min = (mgr->dsp_version >> 8) & 0xff;
1069                 short ver_build = mgr->dsp_version & 0xff;
1070                 snd_iprintf(buffer, "module version %s\n", PCXHR_DRIVER_VERSION_STRING);
1071                 snd_iprintf(buffer, "dsp version %d.%d.%d\n", ver_maj, ver_min, ver_build);
1072                 if (mgr->board_has_analog)
1073                         snd_iprintf(buffer, "analog io available\n");
1074                 else
1075                         snd_iprintf(buffer, "digital only board\n");
1076
1077                 /* calc cpu load of the dsp */
1078                 pcxhr_init_rmh(&rmh, CMD_GET_DSP_RESOURCES);
1079                 if( ! pcxhr_send_msg(mgr, &rmh) ) {
1080                         int cur = rmh.stat[0];
1081                         int ref = rmh.stat[1];
1082                         if (ref > 0) {
1083                                 if (mgr->sample_rate_real != 0 &&
1084                                     mgr->sample_rate_real != 48000) {
1085                                         ref = (ref * 48000) / mgr->sample_rate_real;
1086                                         if (mgr->sample_rate_real >= PCXHR_IRQ_TIMER_FREQ)
1087                                                 ref *= 2;
1088                                 }
1089                                 cur = 100 - (100 * cur) / ref;
1090                                 snd_iprintf(buffer, "cpu load    %d%%\n", cur);
1091                                 snd_iprintf(buffer, "buffer pool %d/%d kWords\n",
1092                                             rmh.stat[2], rmh.stat[3]);
1093                         }
1094                 }
1095                 snd_iprintf(buffer, "dma granularity : %d\n", PCXHR_GRANULARITY);
1096                 snd_iprintf(buffer, "dsp time errors : %d\n", mgr->dsp_time_err);
1097                 snd_iprintf(buffer, "dsp async pipe xrun errors : %d\n",
1098                             mgr->async_err_pipe_xrun);
1099                 snd_iprintf(buffer, "dsp async stream xrun errors : %d\n",
1100                             mgr->async_err_stream_xrun);
1101                 snd_iprintf(buffer, "dsp async last other error : %x\n",
1102                             mgr->async_err_other_last);
1103                 /* debug zone dsp */
1104                 rmh.cmd[0] = 0x4200 + PCXHR_SIZE_MAX_STATUS;
1105                 rmh.cmd_len = 1;
1106                 rmh.stat_len = PCXHR_SIZE_MAX_STATUS;
1107                 rmh.dsp_stat = 0;
1108                 rmh.cmd_idx = CMD_LAST_INDEX;
1109                 if( ! pcxhr_send_msg(mgr, &rmh) ) {
1110                         int i;
1111                         for (i = 0; i < rmh.stat_len; i++)
1112                                 snd_iprintf(buffer, "debug[%02d] = %06x\n", i,  rmh.stat[i]);
1113                 }
1114         } else
1115                 snd_iprintf(buffer, "no firmware loaded\n");
1116         snd_iprintf(buffer, "\n");
1117 }
1118 static void pcxhr_proc_sync(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1119 {
1120         struct snd_pcxhr *chip = entry->private_data;
1121         struct pcxhr_mgr *mgr = chip->mgr;
1122         static char *texts[7] = {
1123                 "Internal", "Word", "AES Sync", "AES 1", "AES 2", "AES 3", "AES 4"
1124         };
1125
1126         snd_iprintf(buffer, "\n%s\n", mgr->longname);
1127         snd_iprintf(buffer, "Current Sample Clock\t: %s\n", texts[mgr->cur_clock_type]);
1128         snd_iprintf(buffer, "Current Sample Rate\t= %d\n", mgr->sample_rate_real);
1129
1130         /* commands available when embedded DSP is running */
1131         if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
1132                 int i, err, sample_rate;
1133                 for (i = PCXHR_CLOCK_TYPE_WORD_CLOCK; i< (3 + mgr->capture_chips); i++) {
1134                         err = pcxhr_get_external_clock(mgr, i, &sample_rate);
1135                         if (err)
1136                                 break;
1137                         snd_iprintf(buffer, "%s Clock\t\t= %d\n", texts[i], sample_rate);
1138                 }
1139         } else
1140                 snd_iprintf(buffer, "no firmware loaded\n");
1141         snd_iprintf(buffer, "\n");
1142 }
1143
1144 static void __devinit pcxhr_proc_init(struct snd_pcxhr *chip)
1145 {
1146         struct snd_info_entry *entry;
1147
1148         if (! snd_card_proc_new(chip->card, "info", &entry))
1149                 snd_info_set_text_ops(entry, chip, pcxhr_proc_info);
1150         if (! snd_card_proc_new(chip->card, "sync", &entry))
1151                 snd_info_set_text_ops(entry, chip, pcxhr_proc_sync);
1152 }
1153 /* end of proc interface */
1154
1155 /*
1156  * release all the cards assigned to a manager instance
1157  */
1158 static int pcxhr_free(struct pcxhr_mgr *mgr)
1159 {
1160         unsigned int i;
1161
1162         for (i = 0; i < mgr->num_cards; i++) {
1163                 if (mgr->chip[i])
1164                         snd_card_free(mgr->chip[i]->card);
1165         }
1166
1167         /* reset board if some firmware was loaded */
1168         if(mgr->dsp_loaded) {
1169                 pcxhr_reset_board(mgr);
1170                 snd_printdd("reset pcxhr !\n");
1171         }
1172
1173         /* release irq  */
1174         if (mgr->irq >= 0)
1175                 free_irq(mgr->irq, mgr);
1176
1177         pci_release_regions(mgr->pci);
1178
1179         /* free hostport purgebuffer */
1180         if (mgr->hostport.area) {
1181                 snd_dma_free_pages(&mgr->hostport);
1182                 mgr->hostport.area = NULL;
1183         }
1184
1185         kfree(mgr->prmh);
1186
1187         pci_disable_device(mgr->pci);
1188         kfree(mgr);
1189         return 0;
1190 }
1191
1192 /*
1193  *    probe function - creates the card manager
1194  */
1195 static int __devinit pcxhr_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
1196 {
1197         static int dev;
1198         struct pcxhr_mgr *mgr;
1199         unsigned int i;
1200         int err;
1201         size_t size;
1202         char *card_name;
1203
1204         if (dev >= SNDRV_CARDS)
1205                 return -ENODEV;
1206         if (! enable[dev]) {
1207                 dev++;
1208                 return -ENOENT;
1209         }
1210
1211         /* enable PCI device */
1212         if ((err = pci_enable_device(pci)) < 0)
1213                 return err;
1214         pci_set_master(pci);
1215
1216         /* check if we can restrict PCI DMA transfers to 32 bits */
1217         if (pci_set_dma_mask(pci, DMA_32BIT_MASK) < 0) {
1218                 snd_printk(KERN_ERR "architecture does not support 32bit PCI busmaster DMA\n");
1219                 pci_disable_device(pci);
1220                 return -ENXIO;
1221         }
1222
1223         /* alloc card manager */
1224         mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
1225         if (! mgr) {
1226                 pci_disable_device(pci);
1227                 return -ENOMEM;
1228         }
1229
1230         snd_assert(pci_id->driver_data < PCI_ID_LAST, return -ENODEV);
1231         card_name = pcxhr_board_params[pci_id->driver_data].board_name;
1232         mgr->playback_chips = pcxhr_board_params[pci_id->driver_data].playback_chips;
1233         mgr->capture_chips  = pcxhr_board_params[pci_id->driver_data].capture_chips;
1234         mgr->firmware_num  = pcxhr_board_params[pci_id->driver_data].firmware_num;
1235         mgr->mono_capture = mono[dev];
1236
1237         /* resource assignment */
1238         if ((err = pci_request_regions(pci, card_name)) < 0) {
1239                 kfree(mgr);
1240                 pci_disable_device(pci);
1241                 return err;
1242         }
1243         for (i = 0; i < 3; i++)
1244                 mgr->port[i] = pci_resource_start(pci, i);
1245
1246         mgr->pci = pci;
1247         mgr->irq = -1;
1248
1249         if (request_irq(pci->irq, pcxhr_interrupt, IRQF_SHARED,
1250                         card_name, mgr)) {
1251                 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
1252                 pcxhr_free(mgr);
1253                 return -EBUSY;
1254         }
1255         mgr->irq = pci->irq;
1256
1257         sprintf(mgr->shortname, "Digigram %s", card_name);
1258         sprintf(mgr->longname, "%s at 0x%lx & 0x%lx, 0x%lx irq %i", mgr->shortname,
1259                 mgr->port[0], mgr->port[1], mgr->port[2], mgr->irq);
1260
1261         /* ISR spinlock  */
1262         spin_lock_init(&mgr->lock);
1263         spin_lock_init(&mgr->msg_lock);
1264
1265         /* init setup mutex*/
1266         mutex_init(&mgr->setup_mutex);
1267
1268         /* init taslket */
1269         tasklet_init(&mgr->msg_taskq, pcxhr_msg_tasklet, (unsigned long) mgr);
1270         tasklet_init(&mgr->trigger_taskq, pcxhr_trigger_tasklet, (unsigned long) mgr);
1271         mgr->prmh = kmalloc(sizeof(*mgr->prmh) + 
1272                             sizeof(u32) * (PCXHR_SIZE_MAX_LONG_STATUS - PCXHR_SIZE_MAX_STATUS),
1273                             GFP_KERNEL);
1274         if (! mgr->prmh) {
1275                 pcxhr_free(mgr);
1276                 return -ENOMEM;
1277         }
1278
1279         for (i=0; i < PCXHR_MAX_CARDS; i++) {
1280                 struct snd_card *card;
1281                 char tmpid[16];
1282                 int idx;
1283
1284                 if (i >= max(mgr->playback_chips, mgr->capture_chips))
1285                         break;
1286                 mgr->num_cards++;
1287
1288                 if (index[dev] < 0)
1289                         idx = index[dev];
1290                 else
1291                         idx = index[dev] + i;
1292
1293                 snprintf(tmpid, sizeof(tmpid), "%s-%d", id[dev] ? id[dev] : card_name, i);
1294                 card = snd_card_new(idx, tmpid, THIS_MODULE, 0);
1295
1296                 if (! card) {
1297                         snd_printk(KERN_ERR "cannot allocate the card %d\n", i);
1298                         pcxhr_free(mgr);
1299                         return -ENOMEM;
1300                 }
1301
1302                 strcpy(card->driver, DRIVER_NAME);
1303                 sprintf(card->shortname, "%s [PCM #%d]", mgr->shortname, i);
1304                 sprintf(card->longname, "%s [PCM #%d]", mgr->longname, i);
1305
1306                 if ((err = pcxhr_create(mgr, card, i)) < 0) {
1307                         pcxhr_free(mgr);
1308                         return err;
1309                 }
1310
1311                 if (i == 0)
1312                         /* init proc interface only for chip0 */
1313                         pcxhr_proc_init(mgr->chip[i]);
1314
1315                 if ((err = snd_card_register(card)) < 0) {
1316                         pcxhr_free(mgr);
1317                         return err;
1318                 }
1319         }
1320
1321         /* create hostport purgebuffer */
1322         size = PAGE_ALIGN(sizeof(struct pcxhr_hostport));
1323         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1324                                 size, &mgr->hostport) < 0) {
1325                 pcxhr_free(mgr);
1326                 return -ENOMEM;
1327         }
1328         /* init purgebuffer */
1329         memset(mgr->hostport.area, 0, size);
1330
1331         /* create a DSP loader */
1332         err = pcxhr_setup_firmware(mgr);
1333         if (err < 0) {
1334                 pcxhr_free(mgr);
1335                 return err;
1336         }
1337
1338         pci_set_drvdata(pci, mgr);
1339         dev++;
1340         return 0;
1341 }
1342
1343 static void __devexit pcxhr_remove(struct pci_dev *pci)
1344 {
1345         pcxhr_free(pci_get_drvdata(pci));
1346         pci_set_drvdata(pci, NULL);
1347 }
1348
1349 static struct pci_driver driver = {
1350         .name = "Digigram pcxhr",
1351         .id_table = pcxhr_ids,
1352         .probe = pcxhr_probe,
1353         .remove = __devexit_p(pcxhr_remove),
1354 };
1355
1356 static int __init pcxhr_module_init(void)
1357 {
1358         return pci_register_driver(&driver);
1359 }
1360
1361 static void __exit pcxhr_module_exit(void)
1362 {
1363         pci_unregister_driver(&driver);
1364 }
1365
1366 module_init(pcxhr_module_init)
1367 module_exit(pcxhr_module_exit)