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[BATTERY] 1-Wire ds2760 chip battery driver
[linux-2.6.git] / sound / pci / pcxhr / pcxhr.c
blobf7f6a687f033d16dab9b8d0b4534f79ba68e7832
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)
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