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writeback: split writeback_inodes_wb
[linux-2.6/next.git] / sound / pci / pcxhr / pcxhr.c
blob95cfde27d25c6da928c5f02dc211e4231fd840cb
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 <linux/init.h>
25 #include <linux/interrupt.h>
26 #include <linux/slab.h>
27 #include <linux/pci.h>
28 #include <linux/dma-mapping.h>
29 #include <linux/delay.h>
30 #include <linux/moduleparam.h>
31 #include <linux/mutex.h>
32
33 #include <sound/core.h>
34 #include <sound/initval.h>
35 #include <sound/info.h>
36 #include <sound/control.h>
37 #include <sound/pcm.h>
38 #include <sound/pcm_params.h>
39 #include "pcxhr.h"
40 #include "pcxhr_mixer.h"
41 #include "pcxhr_hwdep.h"
42 #include "pcxhr_core.h"
43 #include "pcxhr_mix22.h"
44
45 #define DRIVER_NAME "pcxhr"
46
47 MODULE_AUTHOR("Markus Bollinger <bollinger@digigram.com>, "
48 "Marc Titinger <titinger@digigram.com>");
49 MODULE_DESCRIPTION("Digigram " DRIVER_NAME " " PCXHR_DRIVER_VERSION_STRING);
50 MODULE_LICENSE("GPL");
51 MODULE_SUPPORTED_DEVICE("{{Digigram," DRIVER_NAME "}}");
52
53 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
54 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
55 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;/* Enable this card */
56 static int mono[SNDRV_CARDS]; /* capture mono only */
57
58 module_param_array(index, int, NULL, 0444);
59 MODULE_PARM_DESC(index, "Index value for Digigram " DRIVER_NAME " soundcard");
60 module_param_array(id, charp, NULL, 0444);
61 MODULE_PARM_DESC(id, "ID string for Digigram " DRIVER_NAME " soundcard");
62 module_param_array(enable, bool, NULL, 0444);
63 MODULE_PARM_DESC(enable, "Enable Digigram " DRIVER_NAME " soundcard");
64 module_param_array(mono, bool, NULL, 0444);
65 MODULE_PARM_DESC(mono, "Mono capture mode (default is stereo)");
66
67 enum {
68 PCI_ID_VX882HR,
69 PCI_ID_PCX882HR,
70 PCI_ID_VX881HR,
71 PCI_ID_PCX881HR,
72 PCI_ID_VX882E,
73 PCI_ID_PCX882E,
74 PCI_ID_VX881E,
75 PCI_ID_PCX881E,
76 PCI_ID_VX1222HR,
77 PCI_ID_PCX1222HR,
78 PCI_ID_VX1221HR,
79 PCI_ID_PCX1221HR,
80 PCI_ID_VX1222E,
81 PCI_ID_PCX1222E,
82 PCI_ID_VX1221E,
83 PCI_ID_PCX1221E,
84 PCI_ID_VX222HR,
85 PCI_ID_VX222E,
86 PCI_ID_PCX22HR,
87 PCI_ID_PCX22E,
88 PCI_ID_VX222HRMIC,
89 PCI_ID_VX222E_MIC,
90 PCI_ID_PCX924HR,
91 PCI_ID_PCX924E,
92 PCI_ID_PCX924HRMIC,
93 PCI_ID_PCX924E_MIC,
94 PCI_ID_LAST
95 };
96
97 static DEFINE_PCI_DEVICE_TABLE(pcxhr_ids) = {
98 { 0x10b5, 0x9656, 0x1369, 0xb001, 0, 0, PCI_ID_VX882HR, },
99 { 0x10b5, 0x9656, 0x1369, 0xb101, 0, 0, PCI_ID_PCX882HR, },
100 { 0x10b5, 0x9656, 0x1369, 0xb201, 0, 0, PCI_ID_VX881HR, },
101 { 0x10b5, 0x9656, 0x1369, 0xb301, 0, 0, PCI_ID_PCX881HR, },
102 { 0x10b5, 0x9056, 0x1369, 0xb021, 0, 0, PCI_ID_VX882E, },
103 { 0x10b5, 0x9056, 0x1369, 0xb121, 0, 0, PCI_ID_PCX882E, },
104 { 0x10b5, 0x9056, 0x1369, 0xb221, 0, 0, PCI_ID_VX881E, },
105 { 0x10b5, 0x9056, 0x1369, 0xb321, 0, 0, PCI_ID_PCX881E, },
106 { 0x10b5, 0x9656, 0x1369, 0xb401, 0, 0, PCI_ID_VX1222HR, },
107 { 0x10b5, 0x9656, 0x1369, 0xb501, 0, 0, PCI_ID_PCX1222HR, },
108 { 0x10b5, 0x9656, 0x1369, 0xb601, 0, 0, PCI_ID_VX1221HR, },
109 { 0x10b5, 0x9656, 0x1369, 0xb701, 0, 0, PCI_ID_PCX1221HR, },
110 { 0x10b5, 0x9056, 0x1369, 0xb421, 0, 0, PCI_ID_VX1222E, },
111 { 0x10b5, 0x9056, 0x1369, 0xb521, 0, 0, PCI_ID_PCX1222E, },
112 { 0x10b5, 0x9056, 0x1369, 0xb621, 0, 0, PCI_ID_VX1221E, },
113 { 0x10b5, 0x9056, 0x1369, 0xb721, 0, 0, PCI_ID_PCX1221E, },
114 { 0x10b5, 0x9056, 0x1369, 0xba01, 0, 0, PCI_ID_VX222HR, },
115 { 0x10b5, 0x9056, 0x1369, 0xba21, 0, 0, PCI_ID_VX222E, },
116 { 0x10b5, 0x9056, 0x1369, 0xbd01, 0, 0, PCI_ID_PCX22HR, },
117 { 0x10b5, 0x9056, 0x1369, 0xbd21, 0, 0, PCI_ID_PCX22E, },
118 { 0x10b5, 0x9056, 0x1369, 0xbc01, 0, 0, PCI_ID_VX222HRMIC, },
119 { 0x10b5, 0x9056, 0x1369, 0xbc21, 0, 0, PCI_ID_VX222E_MIC, },
120 { 0x10b5, 0x9056, 0x1369, 0xbb01, 0, 0, PCI_ID_PCX924HR, },
121 { 0x10b5, 0x9056, 0x1369, 0xbb21, 0, 0, PCI_ID_PCX924E, },
122 { 0x10b5, 0x9056, 0x1369, 0xbf01, 0, 0, PCI_ID_PCX924HRMIC, },
123 { 0x10b5, 0x9056, 0x1369, 0xbf21, 0, 0, PCI_ID_PCX924E_MIC, },
124 { 0, }
125 };
126
127 MODULE_DEVICE_TABLE(pci, pcxhr_ids);
128
129 struct board_parameters {
130 char* board_name;
131 short playback_chips;
132 short capture_chips;
133 short fw_file_set;
134 short firmware_num;
135 };
136 static struct board_parameters pcxhr_board_params[] = {
137 [PCI_ID_VX882HR] = { "VX882HR", 4, 4, 0, 41 },
138 [PCI_ID_PCX882HR] = { "PCX882HR", 4, 4, 0, 41 },
139 [PCI_ID_VX881HR] = { "VX881HR", 4, 4, 0, 41 },
140 [PCI_ID_PCX881HR] = { "PCX881HR", 4, 4, 0, 41 },
141 [PCI_ID_VX882E] = { "VX882e", 4, 4, 1, 41 },
142 [PCI_ID_PCX882E] = { "PCX882e", 4, 4, 1, 41 },
143 [PCI_ID_VX881E] = { "VX881e", 4, 4, 1, 41 },
144 [PCI_ID_PCX881E] = { "PCX881e", 4, 4, 1, 41 },
145 [PCI_ID_VX1222HR] = { "VX1222HR", 6, 1, 2, 42 },
146 [PCI_ID_PCX1222HR] = { "PCX1222HR", 6, 1, 2, 42 },
147 [PCI_ID_VX1221HR] = { "VX1221HR", 6, 1, 2, 42 },
148 [PCI_ID_PCX1221HR] = { "PCX1221HR", 6, 1, 2, 42 },
149 [PCI_ID_VX1222E] = { "VX1222e", 6, 1, 3, 42 },
150 [PCI_ID_PCX1222E] = { "PCX1222e", 6, 1, 3, 42 },
151 [PCI_ID_VX1221E] = { "VX1221e", 6, 1, 3, 42 },
152 [PCI_ID_PCX1221E] = { "PCX1221e", 6, 1, 3, 42 },
153 [PCI_ID_VX222HR] = { "VX222HR", 1, 1, 4, 44 },
154 [PCI_ID_VX222E] = { "VX222e", 1, 1, 4, 44 },
155 [PCI_ID_PCX22HR] = { "PCX22HR", 1, 0, 4, 44 },
156 [PCI_ID_PCX22E] = { "PCX22e", 1, 0, 4, 44 },
157 [PCI_ID_VX222HRMIC] = { "VX222HR-Mic", 1, 1, 5, 44 },
158 [PCI_ID_VX222E_MIC] = { "VX222e-Mic", 1, 1, 5, 44 },
159 [PCI_ID_PCX924HR] = { "PCX924HR", 1, 1, 5, 44 },
160 [PCI_ID_PCX924E] = { "PCX924e", 1, 1, 5, 44 },
161 [PCI_ID_PCX924HRMIC] = { "PCX924HR-Mic", 1, 1, 5, 44 },
162 [PCI_ID_PCX924E_MIC] = { "PCX924e-Mic", 1, 1, 5, 44 },
163 };
164
165 /* boards without hw AES1 and SRC onboard are all using fw_file_set==4 */
166 /* VX222HR, VX222e, PCX22HR and PCX22e */
167 #define PCXHR_BOARD_HAS_AES1(x) (x->fw_file_set != 4)
168 /* some boards do not support 192kHz on digital AES input plugs */
169 #define PCXHR_BOARD_AESIN_NO_192K(x) ((x->capture_chips == 0) || \
170 (x->fw_file_set == 0) || \
171 (x->fw_file_set == 2))
172
173 static int pcxhr_pll_freq_register(unsigned int freq, unsigned int* pllreg,
174 unsigned int* realfreq)
175 {
176 unsigned int reg;
177
178 if (freq < 6900 || freq > 110000)
179 return -EINVAL;
180 reg = (28224000 * 2) / freq;
181 reg = (reg - 1) / 2;
182 if (reg < 0x200)
183 *pllreg = reg + 0x800;
184 else if (reg < 0x400)
185 *pllreg = reg & 0x1ff;
186 else if (reg < 0x800) {
187 *pllreg = ((reg >> 1) & 0x1ff) + 0x200;
188 reg &= ~1;
189 } else {
190 *pllreg = ((reg >> 2) & 0x1ff) + 0x400;
191 reg &= ~3;
192 }
193 if (realfreq)
194 *realfreq = (28224000 / (reg + 1));
195 return 0;
196 }
197
198
199 #define PCXHR_FREQ_REG_MASK 0x1f
200 #define PCXHR_FREQ_QUARTZ_48000 0x00
201 #define PCXHR_FREQ_QUARTZ_24000 0x01
202 #define PCXHR_FREQ_QUARTZ_12000 0x09
203 #define PCXHR_FREQ_QUARTZ_32000 0x08
204 #define PCXHR_FREQ_QUARTZ_16000 0x04
205 #define PCXHR_FREQ_QUARTZ_8000 0x0c
206 #define PCXHR_FREQ_QUARTZ_44100 0x02
207 #define PCXHR_FREQ_QUARTZ_22050 0x0a
208 #define PCXHR_FREQ_QUARTZ_11025 0x06
209 #define PCXHR_FREQ_PLL 0x05
210 #define PCXHR_FREQ_QUARTZ_192000 0x10
211 #define PCXHR_FREQ_QUARTZ_96000 0x18
212 #define PCXHR_FREQ_QUARTZ_176400 0x14
213 #define PCXHR_FREQ_QUARTZ_88200 0x1c
214 #define PCXHR_FREQ_QUARTZ_128000 0x12
215 #define PCXHR_FREQ_QUARTZ_64000 0x1a
216
217 #define PCXHR_FREQ_WORD_CLOCK 0x0f
218 #define PCXHR_FREQ_SYNC_AES 0x0e
219 #define PCXHR_FREQ_AES_1 0x07
220 #define PCXHR_FREQ_AES_2 0x0b
221 #define PCXHR_FREQ_AES_3 0x03
222 #define PCXHR_FREQ_AES_4 0x0d
223
224 static int pcxhr_get_clock_reg(struct pcxhr_mgr *mgr, unsigned int rate,
225 unsigned int *reg, unsigned int *freq)
226 {
227 unsigned int val, realfreq, pllreg;
228 struct pcxhr_rmh rmh;
229 int err;
230
231 realfreq = rate;
232 switch (mgr->use_clock_type) {
233 case PCXHR_CLOCK_TYPE_INTERNAL : /* clock by quartz or pll */
234 switch (rate) {
235 case 48000 : val = PCXHR_FREQ_QUARTZ_48000; break;
236 case 24000 : val = PCXHR_FREQ_QUARTZ_24000; break;
237 case 12000 : val = PCXHR_FREQ_QUARTZ_12000; break;
238 case 32000 : val = PCXHR_FREQ_QUARTZ_32000; break;
239 case 16000 : val = PCXHR_FREQ_QUARTZ_16000; break;
240 case 8000 : val = PCXHR_FREQ_QUARTZ_8000; break;
241 case 44100 : val = PCXHR_FREQ_QUARTZ_44100; break;
242 case 22050 : val = PCXHR_FREQ_QUARTZ_22050; break;
243 case 11025 : val = PCXHR_FREQ_QUARTZ_11025; break;
244 case 192000 : val = PCXHR_FREQ_QUARTZ_192000; break;
245 case 96000 : val = PCXHR_FREQ_QUARTZ_96000; break;
246 case 176400 : val = PCXHR_FREQ_QUARTZ_176400; break;
247 case 88200 : val = PCXHR_FREQ_QUARTZ_88200; break;
248 case 128000 : val = PCXHR_FREQ_QUARTZ_128000; break;
249 case 64000 : val = PCXHR_FREQ_QUARTZ_64000; break;
250 default :
251 val = PCXHR_FREQ_PLL;
252 /* get the value for the pll register */
253 err = pcxhr_pll_freq_register(rate, &pllreg, &realfreq);
254 if (err)
255 return err;
256 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
257 rmh.cmd[0] |= IO_NUM_REG_GENCLK;
258 rmh.cmd[1] = pllreg & MASK_DSP_WORD;
259 rmh.cmd[2] = pllreg >> 24;
260 rmh.cmd_len = 3;
261 err = pcxhr_send_msg(mgr, &rmh);
262 if (err < 0) {
263 snd_printk(KERN_ERR
264 "error CMD_ACCESS_IO_WRITE "
265 "for PLL register : %x!\n", err);
266 return err;
267 }
268 }
269 break;
270 case PCXHR_CLOCK_TYPE_WORD_CLOCK:
271 val = PCXHR_FREQ_WORD_CLOCK;
272 break;
273 case PCXHR_CLOCK_TYPE_AES_SYNC:
274 val = PCXHR_FREQ_SYNC_AES;
275 break;
276 case PCXHR_CLOCK_TYPE_AES_1:
277 val = PCXHR_FREQ_AES_1;
278 break;
279 case PCXHR_CLOCK_TYPE_AES_2:
280 val = PCXHR_FREQ_AES_2;
281 break;
282 case PCXHR_CLOCK_TYPE_AES_3:
283 val = PCXHR_FREQ_AES_3;
284 break;
285 case PCXHR_CLOCK_TYPE_AES_4:
286 val = PCXHR_FREQ_AES_4;
287 break;
288 default:
289 return -EINVAL;
290 }
291 *reg = val;
292 *freq = realfreq;
293 return 0;
294 }
295
296
297 static int pcxhr_sub_set_clock(struct pcxhr_mgr *mgr,
298 unsigned int rate,
299 int *changed)
300 {
301 unsigned int val, realfreq, speed;
302 struct pcxhr_rmh rmh;
303 int err;
304
305 err = pcxhr_get_clock_reg(mgr, rate, &val, &realfreq);
306 if (err)
307 return err;
308
309 /* codec speed modes */
310 if (rate < 55000)
311 speed = 0; /* single speed */
312 else if (rate < 100000)
313 speed = 1; /* dual speed */
314 else
315 speed = 2; /* quad speed */
316 if (mgr->codec_speed != speed) {
317 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* mute outputs */
318 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
319 if (DSP_EXT_CMD_SET(mgr)) {
320 rmh.cmd[1] = 1;
321 rmh.cmd_len = 2;
322 }
323 err = pcxhr_send_msg(mgr, &rmh);
324 if (err)
325 return err;
326
327 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* set speed ratio */
328 rmh.cmd[0] |= IO_NUM_SPEED_RATIO;
329 rmh.cmd[1] = speed;
330 rmh.cmd_len = 2;
331 err = pcxhr_send_msg(mgr, &rmh);
332 if (err)
333 return err;
334 }
335 /* set the new frequency */
336 snd_printdd("clock register : set %x\n", val);
337 err = pcxhr_write_io_num_reg_cont(mgr, PCXHR_FREQ_REG_MASK,
338 val, changed);
339 if (err)
340 return err;
341
342 mgr->sample_rate_real = realfreq;
343 mgr->cur_clock_type = mgr->use_clock_type;
344
345 /* unmute after codec speed modes */
346 if (mgr->codec_speed != speed) {
347 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); /* unmute outputs */
348 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
349 if (DSP_EXT_CMD_SET(mgr)) {
350 rmh.cmd[1] = 1;
351 rmh.cmd_len = 2;
352 }
353 err = pcxhr_send_msg(mgr, &rmh);
354 if (err)
355 return err;
356 mgr->codec_speed = speed; /* save new codec speed */
357 }
358
359 snd_printdd("pcxhr_sub_set_clock to %dHz (realfreq=%d)\n",
360 rate, realfreq);
361 return 0;
362 }
363
364 #define PCXHR_MODIFY_CLOCK_S_BIT 0x04
365
366 #define PCXHR_IRQ_TIMER_FREQ 92000
367 #define PCXHR_IRQ_TIMER_PERIOD 48
368
369 int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate)
370 {
371 struct pcxhr_rmh rmh;
372 int err, changed;
373
374 if (rate == 0)
375 return 0; /* nothing to do */
376
377 if (mgr->is_hr_stereo)
378 err = hr222_sub_set_clock(mgr, rate, &changed);
379 else
380 err = pcxhr_sub_set_clock(mgr, rate, &changed);
381
382 if (err)
383 return err;
384
385 if (changed) {
386 pcxhr_init_rmh(&rmh, CMD_MODIFY_CLOCK);
387 rmh.cmd[0] |= PCXHR_MODIFY_CLOCK_S_BIT; /* resync fifos */
388 if (rate < PCXHR_IRQ_TIMER_FREQ)
389 rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD;
390 else
391 rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD * 2;
392 rmh.cmd[2] = rate;
393 rmh.cmd_len = 3;
394 err = pcxhr_send_msg(mgr, &rmh);
395 if (err)
396 return err;
397 }
398 return 0;
399 }
400
401
402 static int pcxhr_sub_get_external_clock(struct pcxhr_mgr *mgr,
403 enum pcxhr_clock_type clock_type,
404 int *sample_rate)
405 {
406 struct pcxhr_rmh rmh;
407 unsigned char reg;
408 int err, rate;
409
410 switch (clock_type) {
411 case PCXHR_CLOCK_TYPE_WORD_CLOCK:
412 reg = REG_STATUS_WORD_CLOCK;
413 break;
414 case PCXHR_CLOCK_TYPE_AES_SYNC:
415 reg = REG_STATUS_AES_SYNC;
416 break;
417 case PCXHR_CLOCK_TYPE_AES_1:
418 reg = REG_STATUS_AES_1;
419 break;
420 case PCXHR_CLOCK_TYPE_AES_2:
421 reg = REG_STATUS_AES_2;
422 break;
423 case PCXHR_CLOCK_TYPE_AES_3:
424 reg = REG_STATUS_AES_3;
425 break;
426 case PCXHR_CLOCK_TYPE_AES_4:
427 reg = REG_STATUS_AES_4;
428 break;
429 default:
430 return -EINVAL;
431 }
432 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
433 rmh.cmd_len = 2;
434 rmh.cmd[0] |= IO_NUM_REG_STATUS;
435 if (mgr->last_reg_stat != reg) {
436 rmh.cmd[1] = reg;
437 err = pcxhr_send_msg(mgr, &rmh);
438 if (err)
439 return err;
440 udelay(100); /* wait minimum 2 sample_frames at 32kHz ! */
441 mgr->last_reg_stat = reg;
442 }
443 rmh.cmd[1] = REG_STATUS_CURRENT;
444 err = pcxhr_send_msg(mgr, &rmh);
445 if (err)
446 return err;
447 switch (rmh.stat[1] & 0x0f) {
448 case REG_STATUS_SYNC_32000 : rate = 32000; break;
449 case REG_STATUS_SYNC_44100 : rate = 44100; break;
450 case REG_STATUS_SYNC_48000 : rate = 48000; break;
451 case REG_STATUS_SYNC_64000 : rate = 64000; break;
452 case REG_STATUS_SYNC_88200 : rate = 88200; break;
453 case REG_STATUS_SYNC_96000 : rate = 96000; break;
454 case REG_STATUS_SYNC_128000 : rate = 128000; break;
455 case REG_STATUS_SYNC_176400 : rate = 176400; break;
456 case REG_STATUS_SYNC_192000 : rate = 192000; break;
457 default: rate = 0;
458 }
459 snd_printdd("External clock is at %d Hz\n", rate);
460 *sample_rate = rate;
461 return 0;
462 }
463
464
465 int pcxhr_get_external_clock(struct pcxhr_mgr *mgr,
466 enum pcxhr_clock_type clock_type,
467 int *sample_rate)
468 {
469 if (mgr->is_hr_stereo)
470 return hr222_get_external_clock(mgr, clock_type,
471 sample_rate);
472 else
473 return pcxhr_sub_get_external_clock(mgr, clock_type,
474 sample_rate);
475 }
476
477 /*
478 * start or stop playback/capture substream
479 */
480 static int pcxhr_set_stream_state(struct pcxhr_stream *stream)
481 {
482 int err;
483 struct snd_pcxhr *chip;
484 struct pcxhr_rmh rmh;
485 int stream_mask, start;
486
487 if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN)
488 start = 1;
489 else {
490 if (stream->status != PCXHR_STREAM_STATUS_SCHEDULE_STOP) {
491 snd_printk(KERN_ERR "ERROR pcxhr_set_stream_state "
492 "CANNOT be stopped\n");
493 return -EINVAL;
494 }
495 start = 0;
496 }
497 if (!stream->substream)
498 return -EINVAL;
499
500 stream->timer_abs_periods = 0;
501 stream->timer_period_frag = 0; /* reset theoretical stream pos */
502 stream->timer_buf_periods = 0;
503 stream->timer_is_synced = 0;
504
505 stream_mask =
506 stream->pipe->is_capture ? 1 : 1<<stream->substream->number;
507
508 pcxhr_init_rmh(&rmh, start ? CMD_START_STREAM : CMD_STOP_STREAM);
509 pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture,
510 stream->pipe->first_audio, 0, stream_mask);
511
512 chip = snd_pcm_substream_chip(stream->substream);
513
514 err = pcxhr_send_msg(chip->mgr, &rmh);
515 if (err)
516 snd_printk(KERN_ERR "ERROR pcxhr_set_stream_state err=%x;\n",
517 err);
518 stream->status =
519 start ? PCXHR_STREAM_STATUS_STARTED : PCXHR_STREAM_STATUS_STOPPED;
520 return err;
521 }
522
523 #define HEADER_FMT_BASE_LIN 0xfed00000
524 #define HEADER_FMT_BASE_FLOAT 0xfad00000
525 #define HEADER_FMT_INTEL 0x00008000
526 #define HEADER_FMT_24BITS 0x00004000
527 #define HEADER_FMT_16BITS 0x00002000
528 #define HEADER_FMT_UPTO11 0x00000200
529 #define HEADER_FMT_UPTO32 0x00000100
530 #define HEADER_FMT_MONO 0x00000080
531
532 static int pcxhr_set_format(struct pcxhr_stream *stream)
533 {
534 int err, is_capture, sample_rate, stream_num;
535 struct snd_pcxhr *chip;
536 struct pcxhr_rmh rmh;
537 unsigned int header;
538
539 switch (stream->format) {
540 case SNDRV_PCM_FORMAT_U8:
541 header = HEADER_FMT_BASE_LIN;
542 break;
543 case SNDRV_PCM_FORMAT_S16_LE:
544 header = HEADER_FMT_BASE_LIN |
545 HEADER_FMT_16BITS | HEADER_FMT_INTEL;
546 break;
547 case SNDRV_PCM_FORMAT_S16_BE:
548 header = HEADER_FMT_BASE_LIN | HEADER_FMT_16BITS;
549 break;
550 case SNDRV_PCM_FORMAT_S24_3LE:
551 header = HEADER_FMT_BASE_LIN |
552 HEADER_FMT_24BITS | HEADER_FMT_INTEL;
553 break;
554 case SNDRV_PCM_FORMAT_S24_3BE:
555 header = HEADER_FMT_BASE_LIN | HEADER_FMT_24BITS;
556 break;
557 case SNDRV_PCM_FORMAT_FLOAT_LE:
558 header = HEADER_FMT_BASE_FLOAT | HEADER_FMT_INTEL;
559 break;
560 default:
561 snd_printk(KERN_ERR
562 "error pcxhr_set_format() : unknown format\n");
563 return -EINVAL;
564 }
565 chip = snd_pcm_substream_chip(stream->substream);
566
567 sample_rate = chip->mgr->sample_rate;
568 if (sample_rate <= 32000 && sample_rate !=0) {
569 if (sample_rate <= 11025)
570 header |= HEADER_FMT_UPTO11;
571 else
572 header |= HEADER_FMT_UPTO32;
573 }
574 if (stream->channels == 1)
575 header |= HEADER_FMT_MONO;
576
577 is_capture = stream->pipe->is_capture;
578 stream_num = is_capture ? 0 : stream->substream->number;
579
580 pcxhr_init_rmh(&rmh, is_capture ?
581 CMD_FORMAT_STREAM_IN : CMD_FORMAT_STREAM_OUT);
582 pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio,
583 stream_num, 0);
584 if (is_capture) {
585 /* bug with old dsp versions: */
586 /* bit 12 also sets the format of the playback stream */
587 if (DSP_EXT_CMD_SET(chip->mgr))
588 rmh.cmd[0] |= 1<<10;
589 else
590 rmh.cmd[0] |= 1<<12;
591 }
592 rmh.cmd[1] = 0;
593 rmh.cmd_len = 2;
594 if (DSP_EXT_CMD_SET(chip->mgr)) {
595 /* add channels and set bit 19 if channels>2 */
596 rmh.cmd[1] = stream->channels;
597 if (!is_capture) {
598 /* playback : add channel mask to command */
599 rmh.cmd[2] = (stream->channels == 1) ? 0x01 : 0x03;
600 rmh.cmd_len = 3;
601 }
602 }
603 rmh.cmd[rmh.cmd_len++] = header >> 8;
604 rmh.cmd[rmh.cmd_len++] = (header & 0xff) << 16;
605 err = pcxhr_send_msg(chip->mgr, &rmh);
606 if (err)
607 snd_printk(KERN_ERR "ERROR pcxhr_set_format err=%x;\n", err);
608 return err;
609 }
610
611 static int pcxhr_update_r_buffer(struct pcxhr_stream *stream)
612 {
613 int err, is_capture, stream_num;
614 struct pcxhr_rmh rmh;
615 struct snd_pcm_substream *subs = stream->substream;
616 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
617
618 is_capture = (subs->stream == SNDRV_PCM_STREAM_CAPTURE);
619 stream_num = is_capture ? 0 : subs->number;
620
621 snd_printdd("pcxhr_update_r_buffer(pcm%c%d) : "
622 "addr(%p) bytes(%zx) subs(%d)\n",
623 is_capture ? 'c' : 'p',
624 chip->chip_idx, (void *)(long)subs->runtime->dma_addr,
625 subs->runtime->dma_bytes, subs->number);
626
627 pcxhr_init_rmh(&rmh, CMD_UPDATE_R_BUFFERS);
628 pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio,
629 stream_num, 0);
630
631 /* max buffer size is 2 MByte */
632 snd_BUG_ON(subs->runtime->dma_bytes >= 0x200000);
633 /* size in bits */
634 rmh.cmd[1] = subs->runtime->dma_bytes * 8;
635 /* most significant byte */
636 rmh.cmd[2] = subs->runtime->dma_addr >> 24;
637 /* this is a circular buffer */
638 rmh.cmd[2] |= 1<<19;
639 /* least 3 significant bytes */
640 rmh.cmd[3] = subs->runtime->dma_addr & MASK_DSP_WORD;
641 rmh.cmd_len = 4;
642 err = pcxhr_send_msg(chip->mgr, &rmh);
643 if (err)
644 snd_printk(KERN_ERR
645 "ERROR CMD_UPDATE_R_BUFFERS err=%x;\n", err);
646 return err;
647 }
648
649
650 #if 0
651 static int pcxhr_pipe_sample_count(struct pcxhr_stream *stream,
652 snd_pcm_uframes_t *sample_count)
653 {
654 struct pcxhr_rmh rmh;
655 int err;
656 pcxhr_t *chip = snd_pcm_substream_chip(stream->substream);
657 pcxhr_init_rmh(&rmh, CMD_PIPE_SAMPLE_COUNT);
658 pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture, 0, 0,
659 1<<stream->pipe->first_audio);
660 err = pcxhr_send_msg(chip->mgr, &rmh);
661 if (err == 0) {
662 *sample_count = ((snd_pcm_uframes_t)rmh.stat[0]) << 24;
663 *sample_count += (snd_pcm_uframes_t)rmh.stat[1];
664 }
665 snd_printdd("PIPE_SAMPLE_COUNT = %lx\n", *sample_count);
666 return err;
667 }
668 #endif
669
670 static inline int pcxhr_stream_scheduled_get_pipe(struct pcxhr_stream *stream,
671 struct pcxhr_pipe **pipe)
672 {
673 if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN) {
674 *pipe = stream->pipe;
675 return 1;
676 }
677 return 0;
678 }
679
680 static void pcxhr_trigger_tasklet(unsigned long arg)
681 {
682 unsigned long flags;
683 int i, j, err;
684 struct pcxhr_pipe *pipe;
685 struct snd_pcxhr *chip;
686 struct pcxhr_mgr *mgr = (struct pcxhr_mgr*)(arg);
687 int capture_mask = 0;
688 int playback_mask = 0;
689
690 #ifdef CONFIG_SND_DEBUG_VERBOSE
691 struct timeval my_tv1, my_tv2;
692 do_gettimeofday(&my_tv1);
693 #endif
694 mutex_lock(&mgr->setup_mutex);
695
696 /* check the pipes concerned and build pipe_array */
697 for (i = 0; i < mgr->num_cards; i++) {
698 chip = mgr->chip[i];
699 for (j = 0; j < chip->nb_streams_capt; j++) {
700 if (pcxhr_stream_scheduled_get_pipe(&chip->capture_stream[j], &pipe))
701 capture_mask |= (1 << pipe->first_audio);
702 }
703 for (j = 0; j < chip->nb_streams_play; j++) {
704 if (pcxhr_stream_scheduled_get_pipe(&chip->playback_stream[j], &pipe)) {
705 playback_mask |= (1 << pipe->first_audio);
706 break; /* add only once, as all playback
707 * streams of one chip use the same pipe
708 */
709 }
710 }
711 }
712 if (capture_mask == 0 && playback_mask == 0) {
713 mutex_unlock(&mgr->setup_mutex);
714 snd_printk(KERN_ERR "pcxhr_trigger_tasklet : no pipes\n");
715 return;
716 }
717
718 snd_printdd("pcxhr_trigger_tasklet : "
719 "playback_mask=%x capture_mask=%x\n",
720 playback_mask, capture_mask);
721
722 /* synchronous stop of all the pipes concerned */
723 err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 0);
724 if (err) {
725 mutex_unlock(&mgr->setup_mutex);
726 snd_printk(KERN_ERR "pcxhr_trigger_tasklet : "
727 "error stop pipes (P%x C%x)\n",
728 playback_mask, capture_mask);
729 return;
730 }
731
732 /* the dsp lost format and buffer info with the stop pipe */
733 for (i = 0; i < mgr->num_cards; i++) {
734 struct pcxhr_stream *stream;
735 chip = mgr->chip[i];
736 for (j = 0; j < chip->nb_streams_capt; j++) {
737 stream = &chip->capture_stream[j];
738 if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) {
739 err = pcxhr_set_format(stream);
740 err = pcxhr_update_r_buffer(stream);
741 }
742 }
743 for (j = 0; j < chip->nb_streams_play; j++) {
744 stream = &chip->playback_stream[j];
745 if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) {
746 err = pcxhr_set_format(stream);
747 err = pcxhr_update_r_buffer(stream);
748 }
749 }
750 }
751 /* start all the streams */
752 for (i = 0; i < mgr->num_cards; i++) {
753 struct pcxhr_stream *stream;
754 chip = mgr->chip[i];
755 for (j = 0; j < chip->nb_streams_capt; j++) {
756 stream = &chip->capture_stream[j];
757 if (pcxhr_stream_scheduled_get_pipe(stream, &pipe))
758 err = pcxhr_set_stream_state(stream);
759 }
760 for (j = 0; j < chip->nb_streams_play; j++) {
761 stream = &chip->playback_stream[j];
762 if (pcxhr_stream_scheduled_get_pipe(stream, &pipe))
763 err = pcxhr_set_stream_state(stream);
764 }
765 }
766
767 /* synchronous start of all the pipes concerned */
768 err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
769 if (err) {
770 mutex_unlock(&mgr->setup_mutex);
771 snd_printk(KERN_ERR "pcxhr_trigger_tasklet : "
772 "error start pipes (P%x C%x)\n",
773 playback_mask, capture_mask);
774 return;
775 }
776
777 /* put the streams into the running state now
778 * (increment pointer by interrupt)
779 */
780 spin_lock_irqsave(&mgr->lock, flags);
781 for ( i =0; i < mgr->num_cards; i++) {
782 struct pcxhr_stream *stream;
783 chip = mgr->chip[i];
784 for(j = 0; j < chip->nb_streams_capt; j++) {
785 stream = &chip->capture_stream[j];
786 if(stream->status == PCXHR_STREAM_STATUS_STARTED)
787 stream->status = PCXHR_STREAM_STATUS_RUNNING;
788 }
789 for (j = 0; j < chip->nb_streams_play; j++) {
790 stream = &chip->playback_stream[j];
791 if (stream->status == PCXHR_STREAM_STATUS_STARTED) {
792 /* playback will already have advanced ! */
793 stream->timer_period_frag += mgr->granularity;
794 stream->status = PCXHR_STREAM_STATUS_RUNNING;
795 }
796 }
797 }
798 spin_unlock_irqrestore(&mgr->lock, flags);
799
800 mutex_unlock(&mgr->setup_mutex);
801
802 #ifdef CONFIG_SND_DEBUG_VERBOSE
803 do_gettimeofday(&my_tv2);
804 snd_printdd("***TRIGGER TASKLET*** TIME = %ld (err = %x)\n",
805 (long)(my_tv2.tv_usec - my_tv1.tv_usec), err);
806 #endif
807 }
808
809
810 /*
811 * trigger callback
812 */
813 static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd)
814 {
815 struct pcxhr_stream *stream;
816 struct snd_pcm_substream *s;
817
818 switch (cmd) {
819 case SNDRV_PCM_TRIGGER_START:
820 snd_printdd("SNDRV_PCM_TRIGGER_START\n");
821 if (snd_pcm_stream_linked(subs)) {
822 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
823 snd_pcm_group_for_each_entry(s, subs) {
824 if (snd_pcm_substream_chip(s) != chip)
825 continue;
826 stream = s->runtime->private_data;
827 stream->status =
828 PCXHR_STREAM_STATUS_SCHEDULE_RUN;
829 snd_pcm_trigger_done(s, subs);
830 }
831 tasklet_schedule(&chip->mgr->trigger_taskq);
832 } else {
833 stream = subs->runtime->private_data;
834 snd_printdd("Only one Substream %c %d\n",
835 stream->pipe->is_capture ? 'C' : 'P',
836 stream->pipe->first_audio);
837 if (pcxhr_set_format(stream))
838 return -EINVAL;
839 if (pcxhr_update_r_buffer(stream))
840 return -EINVAL;
841
842 stream->status = PCXHR_STREAM_STATUS_SCHEDULE_RUN;
843 if (pcxhr_set_stream_state(stream))
844 return -EINVAL;
845 stream->status = PCXHR_STREAM_STATUS_RUNNING;
846 }
847 break;
848 case SNDRV_PCM_TRIGGER_STOP:
849 snd_printdd("SNDRV_PCM_TRIGGER_STOP\n");
850 snd_pcm_group_for_each_entry(s, subs) {
851 stream = s->runtime->private_data;
852 stream->status = PCXHR_STREAM_STATUS_SCHEDULE_STOP;
853 if (pcxhr_set_stream_state(stream))
854 return -EINVAL;
855 snd_pcm_trigger_done(s, subs);
856 }
857 break;
858 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
859 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
860 /* TODO */
861 default:
862 return -EINVAL;
863 }
864 return 0;
865 }
866
867
868 static int pcxhr_hardware_timer(struct pcxhr_mgr *mgr, int start)
869 {
870 struct pcxhr_rmh rmh;
871 int err;
872
873 pcxhr_init_rmh(&rmh, CMD_SET_TIMER_INTERRUPT);
874 if (start) {
875 /* last dsp time invalid */
876 mgr->dsp_time_last = PCXHR_DSP_TIME_INVALID;
877 rmh.cmd[0] |= mgr->granularity;
878 }
879 err = pcxhr_send_msg(mgr, &rmh);
880 if (err < 0)
881 snd_printk(KERN_ERR "error pcxhr_hardware_timer err(%x)\n",
882 err);
883 return err;
884 }
885
886 /*
887 * prepare callback for all pcms
888 */
889 static int pcxhr_prepare(struct snd_pcm_substream *subs)
890 {
891 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
892 struct pcxhr_mgr *mgr = chip->mgr;
893 int err = 0;
894
895 snd_printdd("pcxhr_prepare : period_size(%lx) periods(%x) buffer_size(%lx)\n",
896 subs->runtime->period_size, subs->runtime->periods,
897 subs->runtime->buffer_size);
898
899 mutex_lock(&mgr->setup_mutex);
900
901 do {
902 /* only the first stream can choose the sample rate */
903 /* set the clock only once (first stream) */
904 if (mgr->sample_rate != subs->runtime->rate) {
905 err = pcxhr_set_clock(mgr, subs->runtime->rate);
906 if (err)
907 break;
908 if (mgr->sample_rate == 0)
909 /* start the DSP-timer */
910 err = pcxhr_hardware_timer(mgr, 1);
911 mgr->sample_rate = subs->runtime->rate;
912 }
913 } while(0); /* do only once (so we can use break instead of goto) */
914
915 mutex_unlock(&mgr->setup_mutex);
916
917 return err;
918 }
919
920
921 /*
922 * HW_PARAMS callback for all pcms
923 */
924 static int pcxhr_hw_params(struct snd_pcm_substream *subs,
925 struct snd_pcm_hw_params *hw)
926 {
927 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
928 struct pcxhr_mgr *mgr = chip->mgr;
929 struct pcxhr_stream *stream = subs->runtime->private_data;
930 snd_pcm_format_t format;
931 int err;
932 int channels;
933
934 /* set up channels */
935 channels = params_channels(hw);
936
937 /* set up format for the stream */
938 format = params_format(hw);
939
940 mutex_lock(&mgr->setup_mutex);
941
942 stream->channels = channels;
943 stream->format = format;
944
945 /* allocate buffer */
946 err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw));
947
948 mutex_unlock(&mgr->setup_mutex);
949
950 return err;
951 }
952
953 static int pcxhr_hw_free(struct snd_pcm_substream *subs)
954 {
955 snd_pcm_lib_free_pages(subs);
956 return 0;
957 }
958
959
960 /*
961 * CONFIGURATION SPACE for all pcms, mono pcm must update channels_max
962 */
963 static struct snd_pcm_hardware pcxhr_caps =
964 {
965 .info = (SNDRV_PCM_INFO_MMAP |
966 SNDRV_PCM_INFO_INTERLEAVED |
967 SNDRV_PCM_INFO_MMAP_VALID |
968 SNDRV_PCM_INFO_SYNC_START),
969 .formats = (SNDRV_PCM_FMTBIT_U8 |
970 SNDRV_PCM_FMTBIT_S16_LE |
971 SNDRV_PCM_FMTBIT_S16_BE |
972 SNDRV_PCM_FMTBIT_S24_3LE |
973 SNDRV_PCM_FMTBIT_S24_3BE |
974 SNDRV_PCM_FMTBIT_FLOAT_LE),
975 .rates = (SNDRV_PCM_RATE_CONTINUOUS |
976 SNDRV_PCM_RATE_8000_192000),
977 .rate_min = 8000,
978 .rate_max = 192000,
979 .channels_min = 1,
980 .channels_max = 2,
981 .buffer_bytes_max = (32*1024),
982 /* 1 byte == 1 frame U8 mono (PCXHR_GRANULARITY is frames!) */
983 .period_bytes_min = (2*PCXHR_GRANULARITY),
984 .period_bytes_max = (16*1024),
985 .periods_min = 2,
986 .periods_max = (32*1024/PCXHR_GRANULARITY),
987 };
988
989
990 static int pcxhr_open(struct snd_pcm_substream *subs)
991 {
992 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
993 struct pcxhr_mgr *mgr = chip->mgr;
994 struct snd_pcm_runtime *runtime = subs->runtime;
995 struct pcxhr_stream *stream;
996 int err;
997
998 mutex_lock(&mgr->setup_mutex);
999
1000 /* copy the struct snd_pcm_hardware struct */
1001 runtime->hw = pcxhr_caps;
1002
1003 if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) {
1004 snd_printdd("pcxhr_open playback chip%d subs%d\n",
1005 chip->chip_idx, subs->number);
1006 stream = &chip->playback_stream[subs->number];
1007 } else {
1008 snd_printdd("pcxhr_open capture chip%d subs%d\n",
1009 chip->chip_idx, subs->number);
1010 if (mgr->mono_capture)
1011 runtime->hw.channels_max = 1;
1012 else
1013 runtime->hw.channels_min = 2;
1014 stream = &chip->capture_stream[subs->number];
1015 }
1016 if (stream->status != PCXHR_STREAM_STATUS_FREE){
1017 /* streams in use */
1018 snd_printk(KERN_ERR "pcxhr_open chip%d subs%d in use\n",
1019 chip->chip_idx, subs->number);
1020 mutex_unlock(&mgr->setup_mutex);
1021 return -EBUSY;
1022 }
1023
1024 /* float format support is in some cases buggy on stereo cards */
1025 if (mgr->is_hr_stereo)
1026 runtime->hw.formats &= ~SNDRV_PCM_FMTBIT_FLOAT_LE;
1027
1028 /* buffer-size should better be multiple of period-size */
1029 err = snd_pcm_hw_constraint_integer(runtime,
1030 SNDRV_PCM_HW_PARAM_PERIODS);
1031 if (err < 0) {
1032 mutex_unlock(&mgr->setup_mutex);
1033 return err;
1034 }
1035
1036 /* if a sample rate is already used or fixed by external clock,
1037 * the stream cannot change
1038 */
1039 if (mgr->sample_rate)
1040 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
1041 else {
1042 if (mgr->use_clock_type != PCXHR_CLOCK_TYPE_INTERNAL) {
1043 int external_rate;
1044 if (pcxhr_get_external_clock(mgr, mgr->use_clock_type,
1045 &external_rate) ||
1046 external_rate == 0) {
1047 /* cannot detect the external clock rate */
1048 mutex_unlock(&mgr->setup_mutex);
1049 return -EBUSY;
1050 }
1051 runtime->hw.rate_min = external_rate;
1052 runtime->hw.rate_max = external_rate;
1053 }
1054 }
1055
1056 stream->status = PCXHR_STREAM_STATUS_OPEN;
1057 stream->substream = subs;
1058 stream->channels = 0; /* not configured yet */
1059
1060 runtime->private_data = stream;
1061
1062 /* better get a divisor of granularity values (96 or 192) */
1063 snd_pcm_hw_constraint_step(runtime, 0,
1064 SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 32);
1065 snd_pcm_hw_constraint_step(runtime, 0,
1066 SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 32);
1067 snd_pcm_set_sync(subs);
1068
1069 mgr->ref_count_rate++;
1070
1071 mutex_unlock(&mgr->setup_mutex);
1072 return 0;
1073 }
1074
1075
1076 static int pcxhr_close(struct snd_pcm_substream *subs)
1077 {
1078 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
1079 struct pcxhr_mgr *mgr = chip->mgr;
1080 struct pcxhr_stream *stream = subs->runtime->private_data;
1081
1082 mutex_lock(&mgr->setup_mutex);
1083
1084 snd_printdd("pcxhr_close chip%d subs%d\n",
1085 chip->chip_idx, subs->number);
1086
1087 /* sample rate released */
1088 if (--mgr->ref_count_rate == 0) {
1089 mgr->sample_rate = 0; /* the sample rate is no more locked */
1090 pcxhr_hardware_timer(mgr, 0); /* stop the DSP-timer */
1091 }
1092
1093 stream->status = PCXHR_STREAM_STATUS_FREE;
1094 stream->substream = NULL;
1095
1096 mutex_unlock(&mgr->setup_mutex);
1097
1098 return 0;
1099 }
1100
1101
1102 static snd_pcm_uframes_t pcxhr_stream_pointer(struct snd_pcm_substream *subs)
1103 {
1104 unsigned long flags;
1105 u_int32_t timer_period_frag;
1106 int timer_buf_periods;
1107 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
1108 struct snd_pcm_runtime *runtime = subs->runtime;
1109 struct pcxhr_stream *stream = runtime->private_data;
1110
1111 spin_lock_irqsave(&chip->mgr->lock, flags);
1112
1113 /* get the period fragment and the nb of periods in the buffer */
1114 timer_period_frag = stream->timer_period_frag;
1115 timer_buf_periods = stream->timer_buf_periods;
1116
1117 spin_unlock_irqrestore(&chip->mgr->lock, flags);
1118
1119 return (snd_pcm_uframes_t)((timer_buf_periods * runtime->period_size) +
1120 timer_period_frag);
1121 }
1122
1123
1124 static struct snd_pcm_ops pcxhr_ops = {
1125 .open = pcxhr_open,
1126 .close = pcxhr_close,
1127 .ioctl = snd_pcm_lib_ioctl,
1128 .prepare = pcxhr_prepare,
1129 .hw_params = pcxhr_hw_params,
1130 .hw_free = pcxhr_hw_free,
1131 .trigger = pcxhr_trigger,
1132 .pointer = pcxhr_stream_pointer,
1133 };
1134
1135 /*
1136 */
1137 int pcxhr_create_pcm(struct snd_pcxhr *chip)
1138 {
1139 int err;
1140 struct snd_pcm *pcm;
1141 char name[32];
1142
1143 sprintf(name, "pcxhr %d", chip->chip_idx);
1144 if ((err = snd_pcm_new(chip->card, name, 0,
1145 chip->nb_streams_play,
1146 chip->nb_streams_capt, &pcm)) < 0) {
1147 snd_printk(KERN_ERR "cannot create pcm %s\n", name);
1148 return err;
1149 }
1150 pcm->private_data = chip;
1151
1152 if (chip->nb_streams_play)
1153 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcxhr_ops);
1154 if (chip->nb_streams_capt)
1155 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcxhr_ops);
1156
1157 pcm->info_flags = 0;
1158 strcpy(pcm->name, name);
1159
1160 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1161 snd_dma_pci_data(chip->mgr->pci),
1162 32*1024, 32*1024);
1163 chip->pcm = pcm;
1164 return 0;
1165 }
1166
1167 static int pcxhr_chip_free(struct snd_pcxhr *chip)
1168 {
1169 kfree(chip);
1170 return 0;
1171 }
1172
1173 static int pcxhr_chip_dev_free(struct snd_device *device)
1174 {
1175 struct snd_pcxhr *chip = device->device_data;
1176 return pcxhr_chip_free(chip);
1177 }
1178
1179
1180 /*
1181 */
1182 static int __devinit pcxhr_create(struct pcxhr_mgr *mgr,
1183 struct snd_card *card, int idx)
1184 {
1185 int err;
1186 struct snd_pcxhr *chip;
1187 static struct snd_device_ops ops = {
1188 .dev_free = pcxhr_chip_dev_free,
1189 };
1190
1191 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1192 if (! chip) {
1193 snd_printk(KERN_ERR "cannot allocate chip\n");
1194 return -ENOMEM;
1195 }
1196
1197 chip->card = card;
1198 chip->chip_idx = idx;
1199 chip->mgr = mgr;
1200
1201 if (idx < mgr->playback_chips)
1202 /* stereo or mono streams */
1203 chip->nb_streams_play = PCXHR_PLAYBACK_STREAMS;
1204
1205 if (idx < mgr->capture_chips) {
1206 if (mgr->mono_capture)
1207 chip->nb_streams_capt = 2; /* 2 mono streams */
1208 else
1209 chip->nb_streams_capt = 1; /* or 1 stereo stream */
1210 }
1211
1212 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1213 pcxhr_chip_free(chip);
1214 return err;
1215 }
1216
1217 mgr->chip[idx] = chip;
1218 snd_card_set_dev(card, &mgr->pci->dev);
1219
1220 return 0;
1221 }
1222
1223 /* proc interface */
1224 static void pcxhr_proc_info(struct snd_info_entry *entry,
1225 struct snd_info_buffer *buffer)
1226 {
1227 struct snd_pcxhr *chip = entry->private_data;
1228 struct pcxhr_mgr *mgr = chip->mgr;
1229
1230 snd_iprintf(buffer, "\n%s\n", mgr->longname);
1231
1232 /* stats available when embedded DSP is running */
1233 if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
1234 struct pcxhr_rmh rmh;
1235 short ver_maj = (mgr->dsp_version >> 16) & 0xff;
1236 short ver_min = (mgr->dsp_version >> 8) & 0xff;
1237 short ver_build = mgr->dsp_version & 0xff;
1238 snd_iprintf(buffer, "module version %s\n",
1239 PCXHR_DRIVER_VERSION_STRING);
1240 snd_iprintf(buffer, "dsp version %d.%d.%d\n",
1241 ver_maj, ver_min, ver_build);
1242 if (mgr->board_has_analog)
1243 snd_iprintf(buffer, "analog io available\n");
1244 else
1245 snd_iprintf(buffer, "digital only board\n");
1246
1247 /* calc cpu load of the dsp */
1248 pcxhr_init_rmh(&rmh, CMD_GET_DSP_RESOURCES);
1249 if( ! pcxhr_send_msg(mgr, &rmh) ) {
1250 int cur = rmh.stat[0];
1251 int ref = rmh.stat[1];
1252 if (ref > 0) {
1253 if (mgr->sample_rate_real != 0 &&
1254 mgr->sample_rate_real != 48000) {
1255 ref = (ref * 48000) /
1256 mgr->sample_rate_real;
1257 if (mgr->sample_rate_real >=
1258 PCXHR_IRQ_TIMER_FREQ)
1259 ref *= 2;
1260 }
1261 cur = 100 - (100 * cur) / ref;
1262 snd_iprintf(buffer, "cpu load %d%%\n", cur);
1263 snd_iprintf(buffer, "buffer pool %d/%d\n",
1264 rmh.stat[2], rmh.stat[3]);
1265 }
1266 }
1267 snd_iprintf(buffer, "dma granularity : %d\n",
1268 mgr->granularity);
1269 snd_iprintf(buffer, "dsp time errors : %d\n",
1270 mgr->dsp_time_err);
1271 snd_iprintf(buffer, "dsp async pipe xrun errors : %d\n",
1272 mgr->async_err_pipe_xrun);
1273 snd_iprintf(buffer, "dsp async stream xrun errors : %d\n",
1274 mgr->async_err_stream_xrun);
1275 snd_iprintf(buffer, "dsp async last other error : %x\n",
1276 mgr->async_err_other_last);
1277 /* debug zone dsp */
1278 rmh.cmd[0] = 0x4200 + PCXHR_SIZE_MAX_STATUS;
1279 rmh.cmd_len = 1;
1280 rmh.stat_len = PCXHR_SIZE_MAX_STATUS;
1281 rmh.dsp_stat = 0;
1282 rmh.cmd_idx = CMD_LAST_INDEX;
1283 if( ! pcxhr_send_msg(mgr, &rmh) ) {
1284 int i;
1285 if (rmh.stat_len > 8)
1286 rmh.stat_len = 8;
1287 for (i = 0; i < rmh.stat_len; i++)
1288 snd_iprintf(buffer, "debug[%02d] = %06x\n",
1289 i, rmh.stat[i]);
1290 }
1291 } else
1292 snd_iprintf(buffer, "no firmware loaded\n");
1293 snd_iprintf(buffer, "\n");
1294 }
1295 static void pcxhr_proc_sync(struct snd_info_entry *entry,
1296 struct snd_info_buffer *buffer)
1297 {
1298 struct snd_pcxhr *chip = entry->private_data;
1299 struct pcxhr_mgr *mgr = chip->mgr;
1300 static const char *textsHR22[3] = {
1301 "Internal", "AES Sync", "AES 1"
1302 };
1303 static const char *textsPCXHR[7] = {
1304 "Internal", "Word", "AES Sync",
1305 "AES 1", "AES 2", "AES 3", "AES 4"
1306 };
1307 const char **texts;
1308 int max_clock;
1309 if (mgr->is_hr_stereo) {
1310 texts = textsHR22;
1311 max_clock = HR22_CLOCK_TYPE_MAX;
1312 } else {
1313 texts = textsPCXHR;
1314 max_clock = PCXHR_CLOCK_TYPE_MAX;
1315 }
1316
1317 snd_iprintf(buffer, "\n%s\n", mgr->longname);
1318 snd_iprintf(buffer, "Current Sample Clock\t: %s\n",
1319 texts[mgr->cur_clock_type]);
1320 snd_iprintf(buffer, "Current Sample Rate\t= %d\n",
1321 mgr->sample_rate_real);
1322 /* commands available when embedded DSP is running */
1323 if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
1324 int i, err, sample_rate;
1325 for (i = 1; i <= max_clock; i++) {
1326 err = pcxhr_get_external_clock(mgr, i, &sample_rate);
1327 if (err)
1328 break;
1329 snd_iprintf(buffer, "%s Clock\t\t= %d\n",
1330 texts[i], sample_rate);
1331 }
1332 } else
1333 snd_iprintf(buffer, "no firmware loaded\n");
1334 snd_iprintf(buffer, "\n");
1335 }
1336
1337 static void pcxhr_proc_gpio_read(struct snd_info_entry *entry,
1338 struct snd_info_buffer *buffer)
1339 {
1340 struct snd_pcxhr *chip = entry->private_data;
1341 struct pcxhr_mgr *mgr = chip->mgr;
1342 /* commands available when embedded DSP is running */
1343 if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
1344 /* gpio ports on stereo boards only available */
1345 int value = 0;
1346 hr222_read_gpio(mgr, 1, &value); /* GPI */
1347 snd_iprintf(buffer, "GPI: 0x%x\n", value);
1348 hr222_read_gpio(mgr, 0, &value); /* GP0 */
1349 snd_iprintf(buffer, "GPO: 0x%x\n", value);
1350 } else
1351 snd_iprintf(buffer, "no firmware loaded\n");
1352 snd_iprintf(buffer, "\n");
1353 }
1354 static void pcxhr_proc_gpo_write(struct snd_info_entry *entry,
1355 struct snd_info_buffer *buffer)
1356 {
1357 struct snd_pcxhr *chip = entry->private_data;
1358 struct pcxhr_mgr *mgr = chip->mgr;
1359 char line[64];
1360 int value;
1361 /* commands available when embedded DSP is running */
1362 if (!(mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)))
1363 return;
1364 while (!snd_info_get_line(buffer, line, sizeof(line))) {
1365 if (sscanf(line, "GPO: 0x%x", &value) != 1)
1366 continue;
1367 hr222_write_gpo(mgr, value); /* GP0 */
1368 }
1369 }
1370
1371 static void __devinit pcxhr_proc_init(struct snd_pcxhr *chip)
1372 {
1373 struct snd_info_entry *entry;
1374
1375 if (! snd_card_proc_new(chip->card, "info", &entry))
1376 snd_info_set_text_ops(entry, chip, pcxhr_proc_info);
1377 if (! snd_card_proc_new(chip->card, "sync", &entry))
1378 snd_info_set_text_ops(entry, chip, pcxhr_proc_sync);
1379 /* gpio available on stereo sound cards only */
1380 if (chip->mgr->is_hr_stereo &&
1381 !snd_card_proc_new(chip->card, "gpio", &entry)) {
1382 snd_info_set_text_ops(entry, chip, pcxhr_proc_gpio_read);
1383 entry->c.text.write = pcxhr_proc_gpo_write;
1384 entry->mode |= S_IWUSR;
1385 }
1386 }
1387 /* end of proc interface */
1388
1389 /*
1390 * release all the cards assigned to a manager instance
1391 */
1392 static int pcxhr_free(struct pcxhr_mgr *mgr)
1393 {
1394 unsigned int i;
1395
1396 for (i = 0; i < mgr->num_cards; i++) {
1397 if (mgr->chip[i])
1398 snd_card_free(mgr->chip[i]->card);
1399 }
1400
1401 /* reset board if some firmware was loaded */
1402 if(mgr->dsp_loaded) {
1403 pcxhr_reset_board(mgr);
1404 snd_printdd("reset pcxhr !\n");
1405 }
1406
1407 /* release irq */
1408 if (mgr->irq >= 0)
1409 free_irq(mgr->irq, mgr);
1410
1411 pci_release_regions(mgr->pci);
1412
1413 /* free hostport purgebuffer */
1414 if (mgr->hostport.area) {
1415 snd_dma_free_pages(&mgr->hostport);
1416 mgr->hostport.area = NULL;
1417 }
1418
1419 kfree(mgr->prmh);
1420
1421 pci_disable_device(mgr->pci);
1422 kfree(mgr);
1423 return 0;
1424 }
1425
1426 /*
1427 * probe function - creates the card manager
1428 */
1429 static int __devinit pcxhr_probe(struct pci_dev *pci,
1430 const struct pci_device_id *pci_id)
1431 {
1432 static int dev;
1433 struct pcxhr_mgr *mgr;
1434 unsigned int i;
1435 int err;
1436 size_t size;
1437 char *card_name;
1438
1439 if (dev >= SNDRV_CARDS)
1440 return -ENODEV;
1441 if (! enable[dev]) {
1442 dev++;
1443 return -ENOENT;
1444 }
1445
1446 /* enable PCI device */
1447 if ((err = pci_enable_device(pci)) < 0)
1448 return err;
1449 pci_set_master(pci);
1450
1451 /* check if we can restrict PCI DMA transfers to 32 bits */
1452 if (pci_set_dma_mask(pci, DMA_BIT_MASK(32)) < 0) {
1453 snd_printk(KERN_ERR "architecture does not support "
1454 "32bit PCI busmaster DMA\n");
1455 pci_disable_device(pci);
1456 return -ENXIO;
1457 }
1458
1459 /* alloc card manager */
1460 mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
1461 if (! mgr) {
1462 pci_disable_device(pci);
1463 return -ENOMEM;
1464 }
1465
1466 if (snd_BUG_ON(pci_id->driver_data >= PCI_ID_LAST)) {
1467 kfree(mgr);
1468 pci_disable_device(pci);
1469 return -ENODEV;
1470 }
1471 card_name =
1472 pcxhr_board_params[pci_id->driver_data].board_name;
1473 mgr->playback_chips =
1474 pcxhr_board_params[pci_id->driver_data].playback_chips;
1475 mgr->capture_chips =
1476 pcxhr_board_params[pci_id->driver_data].capture_chips;
1477 mgr->fw_file_set =
1478 pcxhr_board_params[pci_id->driver_data].fw_file_set;
1479 mgr->firmware_num =
1480 pcxhr_board_params[pci_id->driver_data].firmware_num;
1481 mgr->mono_capture = mono[dev];
1482 mgr->is_hr_stereo = (mgr->playback_chips == 1);
1483 mgr->board_has_aes1 = PCXHR_BOARD_HAS_AES1(mgr);
1484 mgr->board_aes_in_192k = !PCXHR_BOARD_AESIN_NO_192K(mgr);
1485
1486 if (mgr->is_hr_stereo)
1487 mgr->granularity = PCXHR_GRANULARITY_HR22;
1488 else
1489 mgr->granularity = PCXHR_GRANULARITY;
1490
1491 /* resource assignment */
1492 if ((err = pci_request_regions(pci, card_name)) < 0) {
1493 kfree(mgr);
1494 pci_disable_device(pci);
1495 return err;
1496 }
1497 for (i = 0; i < 3; i++)
1498 mgr->port[i] = pci_resource_start(pci, i);
1499
1500 mgr->pci = pci;
1501 mgr->irq = -1;
1502
1503 if (request_irq(pci->irq, pcxhr_interrupt, IRQF_SHARED,
1504 card_name, mgr)) {
1505 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
1506 pcxhr_free(mgr);
1507 return -EBUSY;
1508 }
1509 mgr->irq = pci->irq;
1510
1511 sprintf(mgr->shortname, "Digigram %s", card_name);
1512 sprintf(mgr->longname, "%s at 0x%lx & 0x%lx, 0x%lx irq %i",
1513 mgr->shortname,
1514 mgr->port[0], mgr->port[1], mgr->port[2], mgr->irq);
1515
1516 /* ISR spinlock */
1517 spin_lock_init(&mgr->lock);
1518 spin_lock_init(&mgr->msg_lock);
1519
1520 /* init setup mutex*/
1521 mutex_init(&mgr->setup_mutex);
1522
1523 /* init taslket */
1524 tasklet_init(&mgr->msg_taskq, pcxhr_msg_tasklet,
1525 (unsigned long) mgr);
1526 tasklet_init(&mgr->trigger_taskq, pcxhr_trigger_tasklet,
1527 (unsigned long) mgr);
1528
1529 mgr->prmh = kmalloc(sizeof(*mgr->prmh) +
1530 sizeof(u32) * (PCXHR_SIZE_MAX_LONG_STATUS -
1531 PCXHR_SIZE_MAX_STATUS),
1532 GFP_KERNEL);
1533 if (! mgr->prmh) {
1534 pcxhr_free(mgr);
1535 return -ENOMEM;
1536 }
1537
1538 for (i=0; i < PCXHR_MAX_CARDS; i++) {
1539 struct snd_card *card;
1540 char tmpid[16];
1541 int idx;
1542
1543 if (i >= max(mgr->playback_chips, mgr->capture_chips))
1544 break;
1545 mgr->num_cards++;
1546
1547 if (index[dev] < 0)
1548 idx = index[dev];
1549 else
1550 idx = index[dev] + i;
1551
1552 snprintf(tmpid, sizeof(tmpid), "%s-%d",
1553 id[dev] ? id[dev] : card_name, i);
1554 err = snd_card_create(idx, tmpid, THIS_MODULE, 0, &card);
1555
1556 if (err < 0) {
1557 snd_printk(KERN_ERR "cannot allocate the card %d\n", i);
1558 pcxhr_free(mgr);
1559 return err;
1560 }
1561
1562 strcpy(card->driver, DRIVER_NAME);
1563 sprintf(card->shortname, "%s [PCM #%d]", mgr->shortname, i);
1564 sprintf(card->longname, "%s [PCM #%d]", mgr->longname, i);
1565
1566 if ((err = pcxhr_create(mgr, card, i)) < 0) {
1567 snd_card_free(card);
1568 pcxhr_free(mgr);
1569 return err;
1570 }
1571
1572 if (i == 0)
1573 /* init proc interface only for chip0 */
1574 pcxhr_proc_init(mgr->chip[i]);
1575
1576 if ((err = snd_card_register(card)) < 0) {
1577 pcxhr_free(mgr);
1578 return err;
1579 }
1580 }
1581
1582 /* create hostport purgebuffer */
1583 size = PAGE_ALIGN(sizeof(struct pcxhr_hostport));
1584 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1585 size, &mgr->hostport) < 0) {
1586 pcxhr_free(mgr);
1587 return -ENOMEM;
1588 }
1589 /* init purgebuffer */
1590 memset(mgr->hostport.area, 0, size);
1591
1592 /* create a DSP loader */
1593 err = pcxhr_setup_firmware(mgr);
1594 if (err < 0) {
1595 pcxhr_free(mgr);
1596 return err;
1597 }
1598
1599 pci_set_drvdata(pci, mgr);
1600 dev++;
1601 return 0;
1602 }
1603
1604 static void __devexit pcxhr_remove(struct pci_dev *pci)
1605 {
1606 pcxhr_free(pci_get_drvdata(pci));
1607 pci_set_drvdata(pci, NULL);
1608 }
1609
1610 static struct pci_driver driver = {
1611 .name = "Digigram pcxhr",
1612 .id_table = pcxhr_ids,
1613 .probe = pcxhr_probe,
1614 .remove = __devexit_p(pcxhr_remove),
1615 };
1616
1617 static int __init pcxhr_module_init(void)
1618 {
1619 return pci_register_driver(&driver);
1620 }
1621
1622 static void __exit pcxhr_module_exit(void)
1623 {
1624 pci_unregister_driver(&driver);
1625 }
1626
1627 module_init(pcxhr_module_init)
1628 module_exit(pcxhr_module_exit)
linux-next