?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
GUI: Fix Tomato RAF theme for all builds. Compilation typo.
[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / drivers / staging / dream / qdsp5 / audio_in.c
blob5fc2d980f4078976739788804f3eb54590d18df9
1 /* arch/arm/mach-msm/qdsp5/audio_in.c
2 *
3 * pcm audio input device
4 *
5 * Copyright (C) 2008 Google, Inc.
6 * Copyright (C) 2008 HTC Corporation
7 *
8 * This software is licensed under the terms of the GNU General Public
9 * License version 2, as published by the Free Software Foundation, and
10 * may be copied, distributed, and modified under those terms.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 */
18
19 #include <linux/module.h>
20 #include <linux/fs.h>
21 #include <linux/miscdevice.h>
22 #include <linux/uaccess.h>
23 #include <linux/kthread.h>
24 #include <linux/wait.h>
25 #include <linux/dma-mapping.h>
26 #include <linux/gfp.h>
27
28 #include <linux/delay.h>
29
30 #include <linux/msm_audio.h>
31
32 #include <asm/atomic.h>
33 #include <asm/ioctls.h>
34 #include <mach/msm_adsp.h>
35 #include <mach/msm_rpcrouter.h>
36
37 #include "audmgr.h"
38
39 #include <mach/qdsp5/qdsp5audpreproccmdi.h>
40 #include <mach/qdsp5/qdsp5audpreprocmsg.h>
41 #include <mach/qdsp5/qdsp5audreccmdi.h>
42 #include <mach/qdsp5/qdsp5audrecmsg.h>
43
44 /* for queue ids - should be relative to module number*/
45 #include "adsp.h"
46
47 /* FRAME_NUM must be a power of two */
48 #define FRAME_NUM (8)
49 #define FRAME_SIZE (2052 * 2)
50 #define MONO_DATA_SIZE (2048)
51 #define STEREO_DATA_SIZE (MONO_DATA_SIZE * 2)
52 #define DMASZ (FRAME_SIZE * FRAME_NUM)
53
54 #define AGC_PARAM_SIZE (20)
55 #define NS_PARAM_SIZE (6)
56 #define IIR_PARAM_SIZE (48)
57 #define DEBUG (0)
58
59 #define AGC_ENABLE 0x0001
60 #define NS_ENABLE 0x0002
61 #define IIR_ENABLE 0x0004
62
63 struct tx_agc_config {
64 uint16_t agc_params[AGC_PARAM_SIZE];
65 };
66
67 struct ns_config {
68 uint16_t ns_params[NS_PARAM_SIZE];
69 };
70
71 struct tx_iir_filter {
72 uint16_t num_bands;
73 uint16_t iir_params[IIR_PARAM_SIZE];
74 };
75
76 struct audpre_cmd_iir_config_type {
77 uint16_t cmd_id;
78 uint16_t active_flag;
79 uint16_t num_bands;
80 uint16_t iir_params[IIR_PARAM_SIZE];
81 };
82
83 struct buffer {
84 void *data;
85 uint32_t size;
86 uint32_t read;
87 uint32_t addr;
88 };
89
90 struct audio_in {
91 struct buffer in[FRAME_NUM];
92
93 spinlock_t dsp_lock;
94
95 atomic_t in_bytes;
96
97 struct mutex lock;
98 struct mutex read_lock;
99 wait_queue_head_t wait;
100
101 struct msm_adsp_module *audpre;
102 struct msm_adsp_module *audrec;
103
104 /* configuration to use on next enable */
105 uint32_t samp_rate;
106 uint32_t channel_mode;
107 uint32_t buffer_size; /* 2048 for mono, 4096 for stereo */
108 uint32_t type; /* 0 for PCM ,1 for AAC */
109 uint32_t dsp_cnt;
110 uint32_t in_head; /* next buffer dsp will write */
111 uint32_t in_tail; /* next buffer read() will read */
112 uint32_t in_count; /* number of buffers available to read() */
113
114 unsigned short samp_rate_index;
115
116 struct audmgr audmgr;
117
118 /* data allocated for various buffers */
119 char *data;
120 dma_addr_t phys;
121
122 int opened;
123 int enabled;
124 int running;
125 int stopped; /* set when stopped, cleared on flush */
126
127 /* audpre settings */
128 int agc_enable;
129 struct tx_agc_config agc;
130
131 int ns_enable;
132 struct ns_config ns;
133
134 int iir_enable;
135 struct tx_iir_filter iir;
136 };
137
138 static int audio_in_dsp_enable(struct audio_in *audio, int enable);
139 static int audio_in_encoder_config(struct audio_in *audio);
140 static int audio_dsp_read_buffer(struct audio_in *audio, uint32_t read_cnt);
141 static void audio_flush(struct audio_in *audio);
142 static int audio_dsp_set_agc(struct audio_in *audio);
143 static int audio_dsp_set_ns(struct audio_in *audio);
144 static int audio_dsp_set_tx_iir(struct audio_in *audio);
145
146 static unsigned convert_dsp_samp_index(unsigned index)
147 {
148 switch (index) {
149 case 48000: return AUDREC_CMD_SAMP_RATE_INDX_48000;
150 case 44100: return AUDREC_CMD_SAMP_RATE_INDX_44100;
151 case 32000: return AUDREC_CMD_SAMP_RATE_INDX_32000;
152 case 24000: return AUDREC_CMD_SAMP_RATE_INDX_24000;
153 case 22050: return AUDREC_CMD_SAMP_RATE_INDX_22050;
154 case 16000: return AUDREC_CMD_SAMP_RATE_INDX_16000;
155 case 12000: return AUDREC_CMD_SAMP_RATE_INDX_12000;
156 case 11025: return AUDREC_CMD_SAMP_RATE_INDX_11025;
157 case 8000: return AUDREC_CMD_SAMP_RATE_INDX_8000;
158 default: return AUDREC_CMD_SAMP_RATE_INDX_11025;
159 }
160 }
161
162 static unsigned convert_samp_rate(unsigned hz)
163 {
164 switch (hz) {
165 case 48000: return RPC_AUD_DEF_SAMPLE_RATE_48000;
166 case 44100: return RPC_AUD_DEF_SAMPLE_RATE_44100;
167 case 32000: return RPC_AUD_DEF_SAMPLE_RATE_32000;
168 case 24000: return RPC_AUD_DEF_SAMPLE_RATE_24000;
169 case 22050: return RPC_AUD_DEF_SAMPLE_RATE_22050;
170 case 16000: return RPC_AUD_DEF_SAMPLE_RATE_16000;
171 case 12000: return RPC_AUD_DEF_SAMPLE_RATE_12000;
172 case 11025: return RPC_AUD_DEF_SAMPLE_RATE_11025;
173 case 8000: return RPC_AUD_DEF_SAMPLE_RATE_8000;
174 default: return RPC_AUD_DEF_SAMPLE_RATE_11025;
175 }
176 }
177
178 static unsigned convert_samp_index(unsigned index)
179 {
180 switch (index) {
181 case RPC_AUD_DEF_SAMPLE_RATE_48000: return 48000;
182 case RPC_AUD_DEF_SAMPLE_RATE_44100: return 44100;
183 case RPC_AUD_DEF_SAMPLE_RATE_32000: return 32000;
184 case RPC_AUD_DEF_SAMPLE_RATE_24000: return 24000;
185 case RPC_AUD_DEF_SAMPLE_RATE_22050: return 22050;
186 case RPC_AUD_DEF_SAMPLE_RATE_16000: return 16000;
187 case RPC_AUD_DEF_SAMPLE_RATE_12000: return 12000;
188 case RPC_AUD_DEF_SAMPLE_RATE_11025: return 11025;
189 case RPC_AUD_DEF_SAMPLE_RATE_8000: return 8000;
190 default: return 11025;
191 }
192 }
193
194 /* must be called with audio->lock held */
195 static int audio_in_enable(struct audio_in *audio)
196 {
197 struct audmgr_config cfg;
198 int rc;
199
200 if (audio->enabled)
201 return 0;
202
203 cfg.tx_rate = audio->samp_rate;
204 cfg.rx_rate = RPC_AUD_DEF_SAMPLE_RATE_NONE;
205 cfg.def_method = RPC_AUD_DEF_METHOD_RECORD;
206 if (audio->type == AUDREC_CMD_TYPE_0_INDEX_WAV)
207 cfg.codec = RPC_AUD_DEF_CODEC_PCM;
208 else
209 cfg.codec = RPC_AUD_DEF_CODEC_AAC;
210 cfg.snd_method = RPC_SND_METHOD_MIDI;
211
212 rc = audmgr_enable(&audio->audmgr, &cfg);
213 if (rc < 0)
214 return rc;
215
216 if (msm_adsp_enable(audio->audpre)) {
217 pr_err("audrec: msm_adsp_enable(audpre) failed\n");
218 return -ENODEV;
219 }
220 if (msm_adsp_enable(audio->audrec)) {
221 pr_err("audrec: msm_adsp_enable(audrec) failed\n");
222 return -ENODEV;
223 }
224
225 audio->enabled = 1;
226 audio_in_dsp_enable(audio, 1);
227
228 return 0;
229 }
230
231 /* must be called with audio->lock held */
232 static int audio_in_disable(struct audio_in *audio)
233 {
234 if (audio->enabled) {
235 audio->enabled = 0;
236
237 audio_in_dsp_enable(audio, 0);
238
239 wake_up(&audio->wait);
240
241 msm_adsp_disable(audio->audrec);
242 msm_adsp_disable(audio->audpre);
243 audmgr_disable(&audio->audmgr);
244 }
245 return 0;
246 }
247
248 /* ------------------- dsp --------------------- */
249 static void audpre_dsp_event(void *data, unsigned id, size_t len,
250 void (*getevent)(void *ptr, size_t len))
251 {
252 uint16_t msg[2];
253 getevent(msg, sizeof(msg));
254
255 switch (id) {
256 case AUDPREPROC_MSG_CMD_CFG_DONE_MSG:
257 pr_info("audpre: type %d, status_flag %d\n", msg[0], msg[1]);
258 break;
259 case AUDPREPROC_MSG_ERROR_MSG_ID:
260 pr_info("audpre: err_index %d\n", msg[0]);
261 break;
262 default:
263 pr_err("audpre: unknown event %d\n", id);
264 }
265 }
266
267 struct audio_frame {
268 uint16_t count_low;
269 uint16_t count_high;
270 uint16_t bytes;
271 uint16_t unknown;
272 unsigned char samples[];
273 } __attribute__((packed));
274
275 static void audio_in_get_dsp_frames(struct audio_in *audio)
276 {
277 struct audio_frame *frame;
278 uint32_t index;
279 unsigned long flags;
280
281 index = audio->in_head;
282
283
284 frame = (void *) (((char *)audio->in[index].data) - sizeof(*frame));
285
286 spin_lock_irqsave(&audio->dsp_lock, flags);
287 audio->in[index].size = frame->bytes;
288
289 audio->in_head = (audio->in_head + 1) & (FRAME_NUM - 1);
290
291 /* If overflow, move the tail index foward. */
292 if (audio->in_head == audio->in_tail)
293 audio->in_tail = (audio->in_tail + 1) & (FRAME_NUM - 1);
294 else
295 audio->in_count++;
296
297 audio_dsp_read_buffer(audio, audio->dsp_cnt++);
298 spin_unlock_irqrestore(&audio->dsp_lock, flags);
299
300 wake_up(&audio->wait);
301 }
302
303 static void audrec_dsp_event(void *data, unsigned id, size_t len,
304 void (*getevent)(void *ptr, size_t len))
305 {
306 struct audio_in *audio = data;
307 uint16_t msg[3];
308 getevent(msg, sizeof(msg));
309
310 switch (id) {
311 case AUDREC_MSG_CMD_CFG_DONE_MSG:
312 if (msg[0] & AUDREC_MSG_CFG_DONE_TYPE_0_UPDATE) {
313 if (msg[0] & AUDREC_MSG_CFG_DONE_TYPE_0_ENA) {
314 pr_info("audpre: CFG ENABLED\n");
315 audio_dsp_set_agc(audio);
316 audio_dsp_set_ns(audio);
317 audio_dsp_set_tx_iir(audio);
318 audio_in_encoder_config(audio);
319 } else {
320 pr_info("audrec: CFG SLEEP\n");
321 audio->running = 0;
322 }
323 } else {
324 pr_info("audrec: CMD_CFG_DONE %x\n", msg[0]);
325 }
326 break;
327 case AUDREC_MSG_CMD_AREC_PARAM_CFG_DONE_MSG: {
328 pr_info("audrec: PARAM CFG DONE\n");
329 audio->running = 1;
330 break;
331 }
332 case AUDREC_MSG_FATAL_ERR_MSG:
333 pr_err("audrec: ERROR %x\n", msg[0]);
334 break;
335 case AUDREC_MSG_PACKET_READY_MSG:
336 /* REC_DBG("type %x, count %d", msg[0], (msg[1] | (msg[2] << 16))); */
337 audio_in_get_dsp_frames(audio);
338 break;
339 default:
340 pr_err("audrec: unknown event %d\n", id);
341 }
342 }
343
344 struct msm_adsp_ops audpre_adsp_ops = {
345 .event = audpre_dsp_event,
346 };
347
348 struct msm_adsp_ops audrec_adsp_ops = {
349 .event = audrec_dsp_event,
350 };
351
352
353 #define audio_send_queue_pre(audio, cmd, len) \
354 msm_adsp_write(audio->audpre, QDSP_uPAudPreProcCmdQueue, cmd, len)
355 #define audio_send_queue_recbs(audio, cmd, len) \
356 msm_adsp_write(audio->audrec, QDSP_uPAudRecBitStreamQueue, cmd, len)
357 #define audio_send_queue_rec(audio, cmd, len) \
358 msm_adsp_write(audio->audrec, \
359 QDSP_uPAudRecCmdQueue, cmd, len)
360
361 static int audio_dsp_set_agc(struct audio_in *audio)
362 {
363 audpreproc_cmd_cfg_agc_params cmd;
364
365 memset(&cmd, 0, sizeof(cmd));
366 cmd.cmd_id = AUDPREPROC_CMD_CFG_AGC_PARAMS;
367
368 if (audio->agc_enable) {
369 /* cmd.tx_agc_param_mask = 0xFE00 from sample code */
370 cmd.tx_agc_param_mask =
371 (1 << AUDPREPROC_CMD_TX_AGC_PARAM_MASK_COMP_SLOPE) |
372 (1 << AUDPREPROC_CMD_TX_AGC_PARAM_MASK_COMP_TH) |
373 (1 << AUDPREPROC_CMD_TX_AGC_PARAM_MASK_EXP_SLOPE) |
374 (1 << AUDPREPROC_CMD_TX_AGC_PARAM_MASK_EXP_TH) |
375 (1 << AUDPREPROC_CMD_TX_AGC_PARAM_MASK_COMP_AIG_FLAG) |
376 (1 << AUDPREPROC_CMD_TX_AGC_PARAM_MASK_COMP_STATIC_GAIN) |
377 (1 << AUDPREPROC_CMD_TX_AGC_PARAM_MASK_TX_AGC_ENA_FLAG);
378 cmd.tx_agc_enable_flag =
379 AUDPREPROC_CMD_TX_AGC_ENA_FLAG_ENA;
380 memcpy(&cmd.static_gain, &audio->agc.agc_params[0],
381 sizeof(uint16_t) * 6);
382 /* cmd.param_mask = 0xFFF0 from sample code */
383 cmd.param_mask =
384 (1 << AUDPREPROC_CMD_PARAM_MASK_RMS_TAY) |
385 (1 << AUDPREPROC_CMD_PARAM_MASK_RELEASEK) |
386 (1 << AUDPREPROC_CMD_PARAM_MASK_DELAY) |
387 (1 << AUDPREPROC_CMD_PARAM_MASK_ATTACKK) |
388 (1 << AUDPREPROC_CMD_PARAM_MASK_LEAKRATE_SLOW) |
389 (1 << AUDPREPROC_CMD_PARAM_MASK_LEAKRATE_FAST) |
390 (1 << AUDPREPROC_CMD_PARAM_MASK_AIG_RELEASEK) |
391 (1 << AUDPREPROC_CMD_PARAM_MASK_AIG_MIN) |
392 (1 << AUDPREPROC_CMD_PARAM_MASK_AIG_MAX) |
393 (1 << AUDPREPROC_CMD_PARAM_MASK_LEAK_UP) |
394 (1 << AUDPREPROC_CMD_PARAM_MASK_LEAK_DOWN) |
395 (1 << AUDPREPROC_CMD_PARAM_MASK_AIG_ATTACKK);
396 memcpy(&cmd.aig_attackk, &audio->agc.agc_params[6],
397 sizeof(uint16_t) * 14);
398
399 } else {
400 cmd.tx_agc_param_mask =
401 (1 << AUDPREPROC_CMD_TX_AGC_PARAM_MASK_TX_AGC_ENA_FLAG);
402 cmd.tx_agc_enable_flag =
403 AUDPREPROC_CMD_TX_AGC_ENA_FLAG_DIS;
404 }
405 #if DEBUG
406 pr_info("cmd_id = 0x%04x\n", cmd.cmd_id);
407 pr_info("tx_agc_param_mask = 0x%04x\n", cmd.tx_agc_param_mask);
408 pr_info("tx_agc_enable_flag = 0x%04x\n", cmd.tx_agc_enable_flag);
409 pr_info("static_gain = 0x%04x\n", cmd.static_gain);
410 pr_info("adaptive_gain_flag = 0x%04x\n", cmd.adaptive_gain_flag);
411 pr_info("expander_th = 0x%04x\n", cmd.expander_th);
412 pr_info("expander_slope = 0x%04x\n", cmd.expander_slope);
413 pr_info("compressor_th = 0x%04x\n", cmd.compressor_th);
414 pr_info("compressor_slope = 0x%04x\n", cmd.compressor_slope);
415 pr_info("param_mask = 0x%04x\n", cmd.param_mask);
416 pr_info("aig_attackk = 0x%04x\n", cmd.aig_attackk);
417 pr_info("aig_leak_down = 0x%04x\n", cmd.aig_leak_down);
418 pr_info("aig_leak_up = 0x%04x\n", cmd.aig_leak_up);
419 pr_info("aig_max = 0x%04x\n", cmd.aig_max);
420 pr_info("aig_min = 0x%04x\n", cmd.aig_min);
421 pr_info("aig_releasek = 0x%04x\n", cmd.aig_releasek);
422 pr_info("aig_leakrate_fast = 0x%04x\n", cmd.aig_leakrate_fast);
423 pr_info("aig_leakrate_slow = 0x%04x\n", cmd.aig_leakrate_slow);
424 pr_info("attackk_msw = 0x%04x\n", cmd.attackk_msw);
425 pr_info("attackk_lsw = 0x%04x\n", cmd.attackk_lsw);
426 pr_info("delay = 0x%04x\n", cmd.delay);
427 pr_info("releasek_msw = 0x%04x\n", cmd.releasek_msw);
428 pr_info("releasek_lsw = 0x%04x\n", cmd.releasek_lsw);
429 pr_info("rms_tav = 0x%04x\n", cmd.rms_tav);
430 #endif
431 return audio_send_queue_pre(audio, &cmd, sizeof(cmd));
432 }
433
434 static int audio_dsp_set_ns(struct audio_in *audio)
435 {
436 audpreproc_cmd_cfg_ns_params cmd;
437
438 memset(&cmd, 0, sizeof(cmd));
439 cmd.cmd_id = AUDPREPROC_CMD_CFG_NS_PARAMS;
440
441 if (audio->ns_enable) {
442 /* cmd.ec_mode_new is fixed as 0x0064 when enable from sample code */
443 cmd.ec_mode_new =
444 AUDPREPROC_CMD_EC_MODE_NEW_NS_ENA |
445 AUDPREPROC_CMD_EC_MODE_NEW_HB_ENA |
446 AUDPREPROC_CMD_EC_MODE_NEW_VA_ENA;
447 memcpy(&cmd.dens_gamma_n, &audio->ns.ns_params,
448 sizeof(audio->ns.ns_params));
449 } else {
450 cmd.ec_mode_new =
451 AUDPREPROC_CMD_EC_MODE_NEW_NLMS_DIS |
452 AUDPREPROC_CMD_EC_MODE_NEW_DES_DIS |
453 AUDPREPROC_CMD_EC_MODE_NEW_NS_DIS |
454 AUDPREPROC_CMD_EC_MODE_NEW_CNI_DIS |
455 AUDPREPROC_CMD_EC_MODE_NEW_NLES_DIS |
456 AUDPREPROC_CMD_EC_MODE_NEW_HB_DIS |
457 AUDPREPROC_CMD_EC_MODE_NEW_VA_DIS |
458 AUDPREPROC_CMD_EC_MODE_NEW_PCD_DIS |
459 AUDPREPROC_CMD_EC_MODE_NEW_FEHI_DIS |
460 AUDPREPROC_CMD_EC_MODE_NEW_NEHI_DIS |
461 AUDPREPROC_CMD_EC_MODE_NEW_NLPP_DIS |
462 AUDPREPROC_CMD_EC_MODE_NEW_FNE_DIS |
463 AUDPREPROC_CMD_EC_MODE_NEW_PRENLMS_DIS;
464 }
465 #if DEBUG
466 pr_info("cmd_id = 0x%04x\n", cmd.cmd_id);
467 pr_info("ec_mode_new = 0x%04x\n", cmd.ec_mode_new);
468 pr_info("dens_gamma_n = 0x%04x\n", cmd.dens_gamma_n);
469 pr_info("dens_nfe_block_size = 0x%04x\n", cmd.dens_nfe_block_size);
470 pr_info("dens_limit_ns = 0x%04x\n", cmd.dens_limit_ns);
471 pr_info("dens_limit_ns_d = 0x%04x\n", cmd.dens_limit_ns_d);
472 pr_info("wb_gamma_e = 0x%04x\n", cmd.wb_gamma_e);
473 pr_info("wb_gamma_n = 0x%04x\n", cmd.wb_gamma_n);
474 #endif
475 return audio_send_queue_pre(audio, &cmd, sizeof(cmd));
476 }
477
478 static int audio_dsp_set_tx_iir(struct audio_in *audio)
479 {
480 struct audpre_cmd_iir_config_type cmd;
481
482 memset(&cmd, 0, sizeof(cmd));
483 cmd.cmd_id = AUDPREPROC_CMD_CFG_IIR_TUNING_FILTER_PARAMS;
484
485 if (audio->iir_enable) {
486 cmd.active_flag = AUDPREPROC_CMD_IIR_ACTIVE_FLAG_ENA;
487 cmd.num_bands = audio->iir.num_bands;
488 memcpy(&cmd.iir_params, &audio->iir.iir_params,
489 sizeof(audio->iir.iir_params));
490 } else {
491 cmd.active_flag = AUDPREPROC_CMD_IIR_ACTIVE_FLAG_DIS;
492 }
493 #if DEBUG
494 pr_info("cmd_id = 0x%04x\n", cmd.cmd_id);
495 pr_info("active_flag = 0x%04x\n", cmd.active_flag);
496 #endif
497 return audio_send_queue_pre(audio, &cmd, sizeof(cmd));
498 }
499
500 static int audio_in_dsp_enable(struct audio_in *audio, int enable)
501 {
502 audrec_cmd_cfg cmd;
503
504 memset(&cmd, 0, sizeof(cmd));
505 cmd.cmd_id = AUDREC_CMD_CFG;
506 cmd.type_0 = enable ? AUDREC_CMD_TYPE_0_ENA : AUDREC_CMD_TYPE_0_DIS;
507 cmd.type_0 |= (AUDREC_CMD_TYPE_0_UPDATE | audio->type);
508 cmd.type_1 = 0;
509
510 return audio_send_queue_rec(audio, &cmd, sizeof(cmd));
511 }
512
513 static int audio_in_encoder_config(struct audio_in *audio)
514 {
515 audrec_cmd_arec0param_cfg cmd;
516 uint16_t *data = (void *) audio->data;
517 unsigned n;
518
519 memset(&cmd, 0, sizeof(cmd));
520 cmd.cmd_id = AUDREC_CMD_AREC0PARAM_CFG;
521 cmd.ptr_to_extpkt_buffer_msw = audio->phys >> 16;
522 cmd.ptr_to_extpkt_buffer_lsw = audio->phys;
523 cmd.buf_len = FRAME_NUM; /* Both WAV and AAC use 8 frames */
524 cmd.samp_rate_index = audio->samp_rate_index;
525 cmd.stereo_mode = audio->channel_mode; /* 0 for mono, 1 for stereo */
526
527 cmd.rec_quality = 0x1C00;
528
529 /* prepare buffer pointers:
530 * Mono: 1024 samples + 4 halfword header
531 * Stereo: 2048 samples + 4 halfword header
532 * AAC
533 * Mono/Stere: 768 + 4 halfword header
534 */
535 for (n = 0; n < FRAME_NUM; n++) {
536 audio->in[n].data = data + 4;
537 if (audio->type == AUDREC_CMD_TYPE_0_INDEX_WAV)
538 data += (4 + (audio->channel_mode ? 2048 : 1024));
539 else if (audio->type == AUDREC_CMD_TYPE_0_INDEX_AAC)
540 data += (4 + 768);
541 }
542
543 return audio_send_queue_rec(audio, &cmd, sizeof(cmd));
544 }
545
546 static int audio_dsp_read_buffer(struct audio_in *audio, uint32_t read_cnt)
547 {
548 audrec_cmd_packet_ext_ptr cmd;
549
550 memset(&cmd, 0, sizeof(cmd));
551 cmd.cmd_id = AUDREC_CMD_PACKET_EXT_PTR;
552 /* Both WAV and AAC use AUDREC_CMD_TYPE_0 */
553 cmd.type = AUDREC_CMD_TYPE_0;
554 cmd.curr_rec_count_msw = read_cnt >> 16;
555 cmd.curr_rec_count_lsw = read_cnt;
556
557 return audio_send_queue_recbs(audio, &cmd, sizeof(cmd));
558 }
559
560 /* ------------------- device --------------------- */
561
562 static void audio_enable_agc(struct audio_in *audio, int enable)
563 {
564 if (audio->agc_enable != enable) {
565 audio->agc_enable = enable;
566 if (audio->running)
567 audio_dsp_set_agc(audio);
568 }
569 }
570
571 static void audio_enable_ns(struct audio_in *audio, int enable)
572 {
573 if (audio->ns_enable != enable) {
574 audio->ns_enable = enable;
575 if (audio->running)
576 audio_dsp_set_ns(audio);
577 }
578 }
579
580 static void audio_enable_tx_iir(struct audio_in *audio, int enable)
581 {
582 if (audio->iir_enable != enable) {
583 audio->iir_enable = enable;
584 if (audio->running)
585 audio_dsp_set_tx_iir(audio);
586 }
587 }
588
589 static void audio_flush(struct audio_in *audio)
590 {
591 int i;
592
593 audio->dsp_cnt = 0;
594 audio->in_head = 0;
595 audio->in_tail = 0;
596 audio->in_count = 0;
597 for (i = 0; i < FRAME_NUM; i++) {
598 audio->in[i].size = 0;
599 audio->in[i].read = 0;
600 }
601 }
602
603 static long audio_in_ioctl(struct file *file,
604 unsigned int cmd, unsigned long arg)
605 {
606 struct audio_in *audio = file->private_data;
607 int rc;
608
609 if (cmd == AUDIO_GET_STATS) {
610 struct msm_audio_stats stats;
611 stats.byte_count = atomic_read(&audio->in_bytes);
612 if (copy_to_user((void *) arg, &stats, sizeof(stats)))
613 return -EFAULT;
614 return 0;
615 }
616
617 mutex_lock(&audio->lock);
618 switch (cmd) {
619 case AUDIO_START:
620 rc = audio_in_enable(audio);
621 break;
622 case AUDIO_STOP:
623 rc = audio_in_disable(audio);
624 audio->stopped = 1;
625 break;
626 case AUDIO_FLUSH:
627 if (audio->stopped) {
628 /* Make sure we're stopped and we wake any threads
629 * that might be blocked holding the read_lock.
630 * While audio->stopped read threads will always
631 * exit immediately.
632 */
633 wake_up(&audio->wait);
634 mutex_lock(&audio->read_lock);
635 audio_flush(audio);
636 mutex_unlock(&audio->read_lock);
637 }
638 case AUDIO_SET_CONFIG: {
639 struct msm_audio_config cfg;
640 if (copy_from_user(&cfg, (void *) arg, sizeof(cfg))) {
641 rc = -EFAULT;
642 break;
643 }
644 if (cfg.channel_count == 1) {
645 cfg.channel_count = AUDREC_CMD_STEREO_MODE_MONO;
646 } else if (cfg.channel_count == 2) {
647 cfg.channel_count = AUDREC_CMD_STEREO_MODE_STEREO;
648 } else {
649 rc = -EINVAL;
650 break;
651 }
652
653 if (cfg.type == 0) {
654 cfg.type = AUDREC_CMD_TYPE_0_INDEX_WAV;
655 } else if (cfg.type == 1) {
656 cfg.type = AUDREC_CMD_TYPE_0_INDEX_AAC;
657 } else {
658 rc = -EINVAL;
659 break;
660 }
661 audio->samp_rate = convert_samp_rate(cfg.sample_rate);
662 audio->samp_rate_index =
663 convert_dsp_samp_index(cfg.sample_rate);
664 audio->channel_mode = cfg.channel_count;
665 audio->buffer_size =
666 audio->channel_mode ? STEREO_DATA_SIZE
667 : MONO_DATA_SIZE;
668 audio->type = cfg.type;
669 rc = 0;
670 break;
671 }
672 case AUDIO_GET_CONFIG: {
673 struct msm_audio_config cfg;
674 cfg.buffer_size = audio->buffer_size;
675 cfg.buffer_count = FRAME_NUM;
676 cfg.sample_rate = convert_samp_index(audio->samp_rate);
677 if (audio->channel_mode == AUDREC_CMD_STEREO_MODE_MONO)
678 cfg.channel_count = 1;
679 else
680 cfg.channel_count = 2;
681 if (audio->type == AUDREC_CMD_TYPE_0_INDEX_WAV)
682 cfg.type = 0;
683 else
684 cfg.type = 1;
685 cfg.unused[0] = 0;
686 cfg.unused[1] = 0;
687 cfg.unused[2] = 0;
688 if (copy_to_user((void *) arg, &cfg, sizeof(cfg)))
689 rc = -EFAULT;
690 else
691 rc = 0;
692 break;
693 }
694 default:
695 rc = -EINVAL;
696 }
697 mutex_unlock(&audio->lock);
698 return rc;
699 }
700
701 static ssize_t audio_in_read(struct file *file,
702 char __user *buf,
703 size_t count, loff_t *pos)
704 {
705 struct audio_in *audio = file->private_data;
706 unsigned long flags;
707 const char __user *start = buf;
708 void *data;
709 uint32_t index;
710 uint32_t size;
711 int rc = 0;
712
713 mutex_lock(&audio->read_lock);
714 while (count > 0) {
715 rc = wait_event_interruptible(
716 audio->wait, (audio->in_count > 0) || audio->stopped);
717 if (rc < 0)
718 break;
719
720 if (audio->stopped) {
721 rc = -EBUSY;
722 break;
723 }
724
725 index = audio->in_tail;
726 data = (uint8_t *) audio->in[index].data;
727 size = audio->in[index].size;
728 if (count >= size) {
729 if (copy_to_user(buf, data, size)) {
730 rc = -EFAULT;
731 break;
732 }
733 spin_lock_irqsave(&audio->dsp_lock, flags);
734 if (index != audio->in_tail) {
735 /* overrun -- data is invalid and we need to retry */
736 spin_unlock_irqrestore(&audio->dsp_lock, flags);
737 continue;
738 }
739 audio->in[index].size = 0;
740 audio->in_tail = (audio->in_tail + 1) & (FRAME_NUM - 1);
741 audio->in_count--;
742 spin_unlock_irqrestore(&audio->dsp_lock, flags);
743 count -= size;
744 buf += size;
745 if (audio->type == AUDREC_CMD_TYPE_0_INDEX_AAC)
746 break;
747 } else {
748 pr_err("audio_in: short read\n");
749 break;
750 }
751 if (audio->type == AUDREC_CMD_TYPE_0_INDEX_AAC)
752 break; /* AAC only read one frame */
753 }
754 mutex_unlock(&audio->read_lock);
755
756 if (buf > start)
757 return buf - start;
758
759 return rc;
760 }
761
762 static ssize_t audio_in_write(struct file *file,
763 const char __user *buf,
764 size_t count, loff_t *pos)
765 {
766 return -EINVAL;
767 }
768
769 static int audio_in_release(struct inode *inode, struct file *file)
770 {
771 struct audio_in *audio = file->private_data;
772
773 mutex_lock(&audio->lock);
774 audio_in_disable(audio);
775 audio_flush(audio);
776 msm_adsp_put(audio->audrec);
777 msm_adsp_put(audio->audpre);
778 audio->audrec = NULL;
779 audio->audpre = NULL;
780 audio->opened = 0;
781 mutex_unlock(&audio->lock);
782 return 0;
783 }
784
785 static struct audio_in the_audio_in;
786
787 static int audio_in_open(struct inode *inode, struct file *file)
788 {
789 struct audio_in *audio = &the_audio_in;
790 int rc;
791
792 mutex_lock(&audio->lock);
793 if (audio->opened) {
794 rc = -EBUSY;
795 goto done;
796 }
797
798 /* Settings will be re-config at AUDIO_SET_CONFIG,
799 * but at least we need to have initial config
800 */
801 audio->samp_rate = RPC_AUD_DEF_SAMPLE_RATE_11025;
802 audio->samp_rate_index = AUDREC_CMD_SAMP_RATE_INDX_11025;
803 audio->channel_mode = AUDREC_CMD_STEREO_MODE_MONO;
804 audio->buffer_size = MONO_DATA_SIZE;
805 audio->type = AUDREC_CMD_TYPE_0_INDEX_WAV;
806
807 rc = audmgr_open(&audio->audmgr);
808 if (rc)
809 goto done;
810 rc = msm_adsp_get("AUDPREPROCTASK", &audio->audpre,
811 &audpre_adsp_ops, audio);
812 if (rc)
813 goto done;
814 rc = msm_adsp_get("AUDRECTASK", &audio->audrec,
815 &audrec_adsp_ops, audio);
816 if (rc)
817 goto done;
818
819 audio->dsp_cnt = 0;
820 audio->stopped = 0;
821
822 audio_flush(audio);
823
824 file->private_data = audio;
825 audio->opened = 1;
826 rc = 0;
827 done:
828 mutex_unlock(&audio->lock);
829 return rc;
830 }
831
832 static long audpre_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
833 {
834 struct audio_in *audio = file->private_data;
835 int rc = 0, enable;
836 uint16_t enable_mask;
837 #if DEBUG
838 int i;
839 #endif
840
841 mutex_lock(&audio->lock);
842 switch (cmd) {
843 case AUDIO_ENABLE_AUDPRE: {
844 if (copy_from_user(&enable_mask, (void *) arg,
845 sizeof(enable_mask)))
846 goto out_fault;
847
848 enable = (enable_mask & AGC_ENABLE) ? 1 : 0;
849 audio_enable_agc(audio, enable);
850 enable = (enable_mask & NS_ENABLE) ? 1 : 0;
851 audio_enable_ns(audio, enable);
852 enable = (enable_mask & IIR_ENABLE) ? 1 : 0;
853 audio_enable_tx_iir(audio, enable);
854 break;
855 }
856 case AUDIO_SET_AGC: {
857 if (copy_from_user(&audio->agc, (void *) arg,
858 sizeof(audio->agc)))
859 goto out_fault;
860 #if DEBUG
861 pr_info("set agc\n");
862 for (i = 0; i < AGC_PARAM_SIZE; i++) \
863 pr_info("agc_params[%d] = 0x%04x\n", i,
864 audio->agc.agc_params[i]);
865 #endif
866 break;
867 }
868 case AUDIO_SET_NS: {
869 if (copy_from_user(&audio->ns, (void *) arg,
870 sizeof(audio->ns)))
871 goto out_fault;
872 #if DEBUG
873 pr_info("set ns\n");
874 for (i = 0; i < NS_PARAM_SIZE; i++) \
875 pr_info("ns_params[%d] = 0x%04x\n",
876 i, audio->ns.ns_params[i]);
877 #endif
878 break;
879 }
880 case AUDIO_SET_TX_IIR: {
881 if (copy_from_user(&audio->iir, (void *) arg,
882 sizeof(audio->iir)))
883 goto out_fault;
884 #if DEBUG
885 pr_info("set iir\n");
886 pr_info("iir.num_bands = 0x%04x\n", audio->iir.num_bands);
887 for (i = 0; i < IIR_PARAM_SIZE; i++) \
888 pr_info("iir_params[%d] = 0x%04x\n",
889 i, audio->iir.iir_params[i]);
890 #endif
891 break;
892 }
893 default:
894 rc = -EINVAL;
895 }
896
897 goto out;
898
899 out_fault:
900 rc = -EFAULT;
901 out:
902 mutex_unlock(&audio->lock);
903 return rc;
904 }
905
906 static int audpre_open(struct inode *inode, struct file *file)
907 {
908 struct audio_in *audio = &the_audio_in;
909 file->private_data = audio;
910 return 0;
911 }
912
913 static struct file_operations audio_fops = {
914 .owner = THIS_MODULE,
915 .open = audio_in_open,
916 .release = audio_in_release,
917 .read = audio_in_read,
918 .write = audio_in_write,
919 .unlocked_ioctl = audio_in_ioctl,
920 };
921
922 static struct file_operations audpre_fops = {
923 .owner = THIS_MODULE,
924 .open = audpre_open,
925 .unlocked_ioctl = audpre_ioctl,
926 };
927
928 struct miscdevice audio_in_misc = {
929 .minor = MISC_DYNAMIC_MINOR,
930 .name = "msm_pcm_in",
931 .fops = &audio_fops,
932 };
933
934 struct miscdevice audpre_misc = {
935 .minor = MISC_DYNAMIC_MINOR,
936 .name = "msm_audpre",
937 .fops = &audpre_fops,
938 };
939
940 static int __init audio_in_init(void)
941 {
942 int rc;
943 the_audio_in.data = dma_alloc_coherent(NULL, DMASZ,
944 &the_audio_in.phys, GFP_KERNEL);
945 if (!the_audio_in.data) {
946 printk(KERN_ERR "%s: Unable to allocate DMA buffer\n",
947 __func__);
948 return -ENOMEM;
949 }
950
951 mutex_init(&the_audio_in.lock);
952 mutex_init(&the_audio_in.read_lock);
953 spin_lock_init(&the_audio_in.dsp_lock);
954 init_waitqueue_head(&the_audio_in.wait);
955 rc = misc_register(&audio_in_misc);
956 if (!rc) {
957 rc = misc_register(&audpre_misc);
958 if (rc < 0)
959 misc_deregister(&audio_in_misc);
960 }
961 return rc;
962 }
963
964 device_initcall(audio_in_init);
Tomato firmware and modifications.