2 * intelmid.c - Intel Sound card driver for MID
4 * Copyright (C) 2008-10 Intel Corp
5 * Authors: Harsha Priya <priya.harsha@intel.com>
6 * Vinod Koul <vinod.koul@intel.com>
7 * Dharageswari R <dharageswari.r@intel.com>
8 * KP Jeeja <jeeja.kp@intel.com>
9 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; version 2 of the License.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License along
21 * with this program; if not, write to the Free Software Foundation, Inc.,
22 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
24 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
25 * ALSA driver for Intel MID sound card chipset
27 #include <linux/slab.h>
29 #include <linux/platform_device.h>
30 #include <linux/interrupt.h>
31 #include <linux/sched.h>
32 #include <sound/control.h>
34 #include <sound/pcm.h>
36 #include <sound/pcm_params.h>
37 #include <sound/initval.h>
38 #include "intel_sst.h"
39 #include "intel_sst_ioctl.h"
40 #include "intelmid_snd_control.h"
43 MODULE_AUTHOR("Vinod Koul <vinod.koul@intel.com>");
44 MODULE_AUTHOR("Harsha Priya <priya.harsha@intel.com>");
45 MODULE_AUTHOR("Dharageswari R <dharageswari.r@intel.com>");
46 MODULE_AUTHOR("KP Jeeja <jeeja.kp@intel.com>");
47 MODULE_DESCRIPTION("Intel MAD Sound card driver");
48 MODULE_LICENSE("GPL v2");
49 MODULE_SUPPORTED_DEVICE("{Intel,Intel_MAD}");
52 static int card_index
= SNDRV_DEFAULT_IDX1
;/* Index 0-MAX */
53 static char *card_id
= SNDRV_DEFAULT_STR1
; /* ID for this card */
55 module_param(card_index
, int, 0444);
56 MODULE_PARM_DESC(card_index
, "Index value for INTELMAD soundcard.");
57 module_param(card_id
, charp
, 0444);
58 MODULE_PARM_DESC(card_id
, "ID string for INTELMAD soundcard.");
60 int sst_card_vendor_id
;
61 int intelmid_audio_interrupt_enable
;/*checkpatch fix*/
63 /* Data path functionalities */
64 static struct snd_pcm_hardware snd_intelmad_stream
= {
65 .info
= (SNDRV_PCM_INFO_INTERLEAVED
|
66 SNDRV_PCM_INFO_DOUBLE
|
67 SNDRV_PCM_INFO_PAUSE
|
68 SNDRV_PCM_INFO_RESUME
|
70 SNDRV_PCM_INFO_MMAP_VALID
|
71 SNDRV_PCM_INFO_BLOCK_TRANSFER
|
72 SNDRV_PCM_INFO_SYNC_START
),
73 .formats
= (SNDRV_PCM_FMTBIT_S16
| SNDRV_PCM_FMTBIT_U16
|
74 SNDRV_PCM_FMTBIT_S24
| SNDRV_PCM_FMTBIT_U24
|
75 SNDRV_PCM_FMTBIT_S32
| SNDRV_PCM_FMTBIT_U32
),
76 .rates
= (SNDRV_PCM_RATE_8000
|
77 SNDRV_PCM_RATE_44100
|
78 SNDRV_PCM_RATE_48000
),
82 .channels_min
= MIN_CHANNEL
,
83 .channels_max
= MAX_CHANNEL_AMIC
,
84 .buffer_bytes_max
= MAX_BUFFER
,
85 .period_bytes_min
= MIN_PERIOD_BYTES
,
86 .period_bytes_max
= MAX_PERIOD_BYTES
,
87 .periods_min
= MIN_PERIODS
,
88 .periods_max
= MAX_PERIODS
,
89 .fifo_size
= FIFO_SIZE
,
94 * snd_intelmad_pcm_trigger - stream activities are handled here
96 * @substream:substream for which the stream function is called
97 * @cmd:the stream commamd that requested from upper layer
99 * This function is called whenever an a stream activity is invoked
101 static int snd_intelmad_pcm_trigger(struct snd_pcm_substream
*substream
,
105 struct snd_intelmad
*intelmaddata
;
106 struct mad_stream_pvt
*stream
;
107 /*struct stream_buffer buffer_to_sst;*/
113 intelmaddata
= snd_pcm_substream_chip(substream
);
114 stream
= substream
->runtime
->private_data
;
116 WARN_ON(!intelmaddata
->sstdrv_ops
);
117 WARN_ON(!intelmaddata
->sstdrv_ops
->scard_ops
);
120 case SNDRV_PCM_TRIGGER_START
:
121 pr_debug("sst: Trigger Start\n");
122 ret_val
= intelmaddata
->sstdrv_ops
->control_set(SST_SND_START
,
123 &stream
->stream_info
.str_id
);
126 stream
->stream_status
= RUNNING
;
127 stream
->substream
= substream
;
128 stream
->stream_status
= RUNNING
;
130 case SNDRV_PCM_TRIGGER_STOP
:
131 pr_debug("sst: in stop\n");
132 ret_val
= intelmaddata
->sstdrv_ops
->control_set(SST_SND_DROP
,
133 &stream
->stream_info
.str_id
);
136 stream
->stream_status
= DROPPED
;
138 case SNDRV_PCM_TRIGGER_PAUSE_PUSH
:
139 pr_debug("sst: in pause\n");
140 ret_val
= intelmaddata
->sstdrv_ops
->control_set(SST_SND_PAUSE
,
141 &stream
->stream_info
.str_id
);
144 stream
->stream_status
= PAUSED
;
146 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE
:
147 pr_debug("sst: in pause release\n");
148 ret_val
= intelmaddata
->sstdrv_ops
->control_set(SST_SND_RESUME
,
149 &stream
->stream_info
.str_id
);
152 stream
->stream_status
= RUNNING
;
161 * snd_intelmad_pcm_prepare- internal preparation before starting a stream
163 * @substream: substream for which the function is called
165 * This function is called when a stream is started for internal preparation.
167 static int snd_intelmad_pcm_prepare(struct snd_pcm_substream
*substream
)
169 struct mad_stream_pvt
*stream
;
171 struct snd_intelmad
*intelmaddata
;
173 pr_debug("sst: pcm_prepare called\n");
176 stream
= substream
->runtime
->private_data
;
177 intelmaddata
= snd_pcm_substream_chip(substream
);
178 pr_debug("sst: pb cnt = %d cap cnt = %d\n",\
179 intelmaddata
->playback_cnt
,
180 intelmaddata
->capture_cnt
);
182 if (stream
->stream_info
.str_id
) {
183 pr_debug("sst: Prepare called for already set stream\n");
184 ret_val
= intelmaddata
->sstdrv_ops
->control_set(SST_SND_DROP
,
185 &stream
->stream_info
.str_id
);
189 ret_val
= snd_intelmad_alloc_stream(substream
);
192 stream
->dbg_cum_bytes
= 0;
193 if (substream
->stream
== SNDRV_PCM_STREAM_PLAYBACK
)
194 intelmaddata
->playback_cnt
++;
196 intelmaddata
->capture_cnt
++;
197 /* return back the stream id */
198 snprintf(substream
->pcm
->id
, sizeof(substream
->pcm
->id
),
199 "%d", stream
->stream_info
.str_id
);
200 pr_debug("sst: stream id to user = %s\n",
203 ret_val
= snd_intelmad_init_stream(substream
);
206 substream
->runtime
->hw
.info
= SNDRV_PCM_INFO_BLOCK_TRANSFER
;
210 static int snd_intelmad_hw_params(struct snd_pcm_substream
*substream
,
211 struct snd_pcm_hw_params
*hw_params
)
215 pr_debug("sst: snd_intelmad_hw_params called\n");
216 ret_val
= snd_pcm_lib_malloc_pages(substream
,
217 params_buffer_bytes(hw_params
));
218 memset(substream
->runtime
->dma_area
, 0,
219 params_buffer_bytes(hw_params
));
224 static int snd_intelmad_hw_free(struct snd_pcm_substream
*substream
)
226 pr_debug("sst: snd_intelmad_hw_free called\n");
227 return snd_pcm_lib_free_pages(substream
);
231 * snd_intelmad_pcm_pointer- to send the current buffer pointer processed by hw
233 * @substream: substream for which the function is called
235 * This function is called by ALSA framework to get the current hw buffer ptr
236 * when a period is elapsed
238 static snd_pcm_uframes_t snd_intelmad_pcm_pointer
239 (struct snd_pcm_substream
*substream
)
241 /* struct snd_pcm_runtime *runtime = substream->runtime; */
242 struct mad_stream_pvt
*stream
;
243 struct snd_intelmad
*intelmaddata
;
248 intelmaddata
= snd_pcm_substream_chip(substream
);
249 stream
= substream
->runtime
->private_data
;
250 if (stream
->stream_status
== INIT
)
253 ret_val
= intelmaddata
->sstdrv_ops
->control_set(SST_SND_BUFFER_POINTER
,
254 &stream
->stream_info
);
256 pr_err("sst: error code = 0x%x\n", ret_val
);
259 pr_debug("sst: samples reported out 0x%llx\n",
260 stream
->stream_info
.buffer_ptr
);
261 pr_debug("sst: Frame bits:: %d period_count :: %d\n",
262 (int)substream
->runtime
->frame_bits
,
263 (int)substream
->runtime
->period_size
);
265 return stream
->stream_info
.buffer_ptr
;
270 * snd_intelmad_close- to free parameteres when stream is stopped
272 * @substream: substream for which the function is called
274 * This function is called by ALSA framework when stream is stopped
276 static int snd_intelmad_close(struct snd_pcm_substream
*substream
)
278 struct snd_intelmad
*intelmaddata
;
279 struct mad_stream_pvt
*stream
;
284 stream
= substream
->runtime
->private_data
;
286 pr_debug("sst: snd_intelmad_close called\n");
287 intelmaddata
= snd_pcm_substream_chip(substream
);
289 pr_debug("sst: str id = %d\n", stream
->stream_info
.str_id
);
290 if (stream
->stream_info
.str_id
) {
291 /* SST API to actually stop/free the stream */
292 ret_val
= intelmaddata
->sstdrv_ops
->control_set(SST_SND_FREE
,
293 &stream
->stream_info
.str_id
);
294 if (substream
->stream
== SNDRV_PCM_STREAM_PLAYBACK
)
295 intelmaddata
->playback_cnt
--;
297 intelmaddata
->capture_cnt
--;
299 pr_debug("sst: snd_intelmad_close : pb cnt = %d cap cnt = %d\n",
300 intelmaddata
->playback_cnt
, intelmaddata
->capture_cnt
);
301 kfree(substream
->runtime
->private_data
);
306 * snd_intelmad_open- to set runtime parameters during stream start
308 * @substream: substream for which the function is called
309 * @type: audio device type
311 * This function is called by ALSA framework when stream is started
313 static int snd_intelmad_open(struct snd_pcm_substream
*substream
,
314 enum snd_sst_audio_device_type type
)
316 struct snd_intelmad
*intelmaddata
;
317 struct snd_pcm_runtime
*runtime
;
318 struct mad_stream_pvt
*stream
;
322 pr_debug("sst: snd_intelmad_open called\n");
324 intelmaddata
= snd_pcm_substream_chip(substream
);
325 runtime
= substream
->runtime
;
326 /* set the runtime hw parameter with local snd_pcm_hardware struct */
327 runtime
->hw
= snd_intelmad_stream
;
328 if (intelmaddata
->cpu_id
== CPU_CHIP_PENWELL
) {
329 runtime
->hw
= snd_intelmad_stream
;
330 runtime
->hw
.rates
= SNDRV_PCM_RATE_48000
;
331 runtime
->hw
.rate_min
= MAX_RATE
;
332 runtime
->hw
.formats
= (SNDRV_PCM_FMTBIT_S24
|
333 SNDRV_PCM_FMTBIT_U24
);
334 if (intelmaddata
->sstdrv_ops
->scard_ops
->input_dev_id
== AMIC
)
335 runtime
->hw
.channels_max
= MAX_CHANNEL_AMIC
;
337 runtime
->hw
.channels_max
= MAX_CHANNEL_DMIC
;
340 /* setup the internal datastruture stream pointers based on it being
341 playback or capture stream */
342 stream
= kzalloc(sizeof(*stream
), GFP_KERNEL
);
345 stream
->stream_info
.str_id
= 0;
346 stream
->device
= type
;
347 stream
->stream_status
= INIT
;
348 runtime
->private_data
= stream
;
349 return snd_pcm_hw_constraint_integer(runtime
,
350 SNDRV_PCM_HW_PARAM_PERIODS
);
353 static int snd_intelmad_headset_open(struct snd_pcm_substream
*substream
)
355 return snd_intelmad_open(substream
, SND_SST_DEVICE_HEADSET
);
358 static int snd_intelmad_ihf_open(struct snd_pcm_substream
*substream
)
360 return snd_intelmad_open(substream
, SND_SST_DEVICE_IHF
);
363 static int snd_intelmad_vibra_open(struct snd_pcm_substream
*substream
)
365 return snd_intelmad_open(substream
, SND_SST_DEVICE_VIBRA
);
368 static int snd_intelmad_haptic_open(struct snd_pcm_substream
*substream
)
370 return snd_intelmad_open(substream
, SND_SST_DEVICE_HAPTIC
);
373 static struct snd_pcm_ops snd_intelmad_headset_ops
= {
374 .open
= snd_intelmad_headset_open
,
375 .close
= snd_intelmad_close
,
376 .ioctl
= snd_pcm_lib_ioctl
,
377 .hw_params
= snd_intelmad_hw_params
,
378 .hw_free
= snd_intelmad_hw_free
,
379 .prepare
= snd_intelmad_pcm_prepare
,
380 .trigger
= snd_intelmad_pcm_trigger
,
381 .pointer
= snd_intelmad_pcm_pointer
,
384 static struct snd_pcm_ops snd_intelmad_ihf_ops
= {
385 .open
= snd_intelmad_ihf_open
,
386 .close
= snd_intelmad_close
,
387 .ioctl
= snd_pcm_lib_ioctl
,
388 .hw_params
= snd_intelmad_hw_params
,
389 .hw_free
= snd_intelmad_hw_free
,
390 .prepare
= snd_intelmad_pcm_prepare
,
391 .trigger
= snd_intelmad_pcm_trigger
,
392 .pointer
= snd_intelmad_pcm_pointer
,
395 static struct snd_pcm_ops snd_intelmad_vibra_ops
= {
396 .open
= snd_intelmad_vibra_open
,
397 .close
= snd_intelmad_close
,
398 .ioctl
= snd_pcm_lib_ioctl
,
399 .hw_params
= snd_intelmad_hw_params
,
400 .hw_free
= snd_intelmad_hw_free
,
401 .prepare
= snd_intelmad_pcm_prepare
,
402 .trigger
= snd_intelmad_pcm_trigger
,
403 .pointer
= snd_intelmad_pcm_pointer
,
406 static struct snd_pcm_ops snd_intelmad_haptic_ops
= {
407 .open
= snd_intelmad_haptic_open
,
408 .close
= snd_intelmad_close
,
409 .ioctl
= snd_pcm_lib_ioctl
,
410 .hw_params
= snd_intelmad_hw_params
,
411 .hw_free
= snd_intelmad_hw_free
,
412 .prepare
= snd_intelmad_pcm_prepare
,
413 .trigger
= snd_intelmad_pcm_trigger
,
414 .pointer
= snd_intelmad_pcm_pointer
,
417 static struct snd_pcm_ops snd_intelmad_capture_ops
= {
418 .open
= snd_intelmad_headset_open
,
419 .close
= snd_intelmad_close
,
420 .ioctl
= snd_pcm_lib_ioctl
,
421 .hw_params
= snd_intelmad_hw_params
,
422 .hw_free
= snd_intelmad_hw_free
,
423 .prepare
= snd_intelmad_pcm_prepare
,
424 .trigger
= snd_intelmad_pcm_trigger
,
425 .pointer
= snd_intelmad_pcm_pointer
,
430 * snd_intelmad_intr_handler- interrupt handler
432 * @irq : irq number of the interrupt received
433 * @dev: device context
435 * This function is called when an interrupt is raised at the sound card
437 static irqreturn_t
snd_intelmad_intr_handler(int irq
, void *dev
)
439 struct snd_intelmad
*intelmaddata
=
440 (struct snd_intelmad
*)dev
;
443 memcpy_fromio(&intsts
,
444 ((void *)(intelmaddata
->int_base
)),
446 intelmaddata
->mad_jack_msg
.intsts
= intsts
;
447 intelmaddata
->mad_jack_msg
.intelmaddata
= intelmaddata
;
449 queue_work(intelmaddata
->mad_jack_wq
, &intelmaddata
->mad_jack_msg
.wq
);
454 void sst_mad_send_jack_report(struct snd_jack
*jack
,
455 int buttonpressevent
, int status
)
459 pr_debug("sst: MAD error jack empty\n");
462 pr_debug("sst: MAD send jack report for = %d!!!\n", status
);
463 pr_debug("sst: MAD send jack report %d\n", jack
->type
);
464 snd_jack_report(jack
, status
);
466 /*button pressed and released */
467 if (buttonpressevent
)
468 snd_jack_report(jack
, 0);
469 pr_debug("sst: MAD sending jack report Done !!!\n");
476 void sst_mad_jackdetection_fs(u8 intsts
, struct snd_intelmad
*intelmaddata
)
478 struct snd_jack
*jack
= NULL
;
479 unsigned int present
= 0, jack_event_flag
= 0, buttonpressflag
= 0;
480 struct sc_reg_access sc_access
[] = {
481 {0x187, 0x00, MASK7
},
482 {0x188, 0x10, MASK4
},
483 {0x18b, 0x10, MASK4
},
486 struct sc_reg_access sc_access_write
[] = {
492 if (!(intelmid_audio_interrupt_enable
)) {
493 pr_debug("sst: Audio interrupt enable\n");
494 sst_sc_reg_access(sc_access
, PMIC_READ_MODIFY
, 3);
496 sst_sc_reg_access(sc_access_write
, PMIC_WRITE
, 1);
497 intelmid_audio_interrupt_enable
= 1;
498 intelmaddata
->jack
[0].jack_status
= 0;
499 intelmaddata
->jack
[1].jack_status
= 0;
502 /* send headphone detect */
503 pr_debug("sst: MAD headphone %d\n", intsts
& 0x4);
504 jack
= &intelmaddata
->jack
[0].jack
;
505 present
= !(intelmaddata
->jack
[0].jack_status
);
506 intelmaddata
->jack
[0].jack_status
= present
;
512 /* send short push */
513 pr_debug("sst: MAD short push %d\n", intsts
& 0x2);
514 jack
= &intelmaddata
->jack
[2].jack
;
521 pr_debug("sst: MAD long push %d\n", intsts
& 0x1);
522 jack
= &intelmaddata
->jack
[3].jack
;
528 if (!(intelmid_audio_interrupt_enable
)) {
529 pr_debug("sst: Audio interrupt enable\n");
530 sst_sc_reg_access(sc_access
, PMIC_READ_MODIFY
, 3);
532 sst_sc_reg_access(sc_access_write
, PMIC_WRITE
, 1);
533 intelmid_audio_interrupt_enable
= 1;
534 intelmaddata
->jack
[0].jack_status
= 0;
535 intelmaddata
->jack
[1].jack_status
= 0;
537 /* send headset detect */
538 pr_debug("sst: MAD headset = %d\n", intsts
& 0x8);
539 jack
= &intelmaddata
->jack
[1].jack
;
540 present
= !(intelmaddata
->jack
[1].jack_status
);
541 intelmaddata
->jack
[1].jack_status
= present
;
546 sst_mad_send_jack_report(jack
, buttonpressflag
, present
);
550 void sst_mad_jackdetection_mx(u8 intsts
, struct snd_intelmad
*intelmaddata
)
552 u8 value
= 0, jack_prev_state
= 0;
553 struct snd_jack
*jack
= NULL
;
554 unsigned int present
= 0, jack_event_flag
= 0, buttonpressflag
= 0;
556 struct sc_reg_access sc_access_read
= {0,};
557 struct snd_pmic_ops
*scard_ops
;
559 scard_ops
= intelmaddata
->sstdrv_ops
->scard_ops
;
561 pr_debug("sst: previous value: %x\n", intelmaddata
->jack_prev_state
);
563 if (!(intelmid_audio_interrupt_enable
)) {
564 pr_debug("sst: Audio interrupt enable\n");
565 intelmaddata
->jack_prev_state
= 0xC0;
566 intelmid_audio_interrupt_enable
= 1;
570 jack_prev_state
= intelmaddata
->jack_prev_state
;
571 if (intelmaddata
->pmic_status
== PMIC_INIT
) {
572 sc_access_read
.reg_addr
= 0x201;
573 sst_sc_reg_access(&sc_access_read
, PMIC_READ
, 1);
574 value
= (sc_access_read
.value
);
575 pr_debug("sst: value returned = 0x%x\n", value
);
578 if (jack_prev_state
== 0xc0 && value
== 0x40) {
579 /*headset detected. */
580 pr_debug("sst: MAD headset inserted\n");
581 jack
= &intelmaddata
->jack
[1].jack
;
584 intelmaddata
->jack
[1].jack_status
= 1;
588 if (jack_prev_state
== 0xc0 && value
== 0x00) {
589 /* headphone detected. */
590 pr_debug("sst: MAD headphone inserted\n");
591 jack
= &intelmaddata
->jack
[0].jack
;
597 if (jack_prev_state
== 0x40 && value
== 0xc0) {
599 pr_debug("sst: Jack headset status %d\n",
600 intelmaddata
->jack
[1].jack_status
);
601 pr_debug("sst: MAD headset removed\n");
602 jack
= &intelmaddata
->jack
[1].jack
;
605 intelmaddata
->jack
[1].jack_status
= 0;
608 if (jack_prev_state
== 0x00 && value
== 0xc0) {
609 /* headphone detected. */
610 pr_debug("sst: Jack headphone status %d\n",
611 intelmaddata
->jack
[0].jack_status
);
612 pr_debug("sst: headphone removed\n");
613 jack
= &intelmaddata
->jack
[0].jack
;
618 if (jack_prev_state
== 0x40 && value
== 0x00) {
620 do_gettimeofday(&intelmaddata
->jack
[1].buttonpressed
);
621 pr_debug("sst: MAD button press detected n");
625 if (jack_prev_state
== 0x00 && value
== 0x40) {
626 if (intelmaddata
->jack
[1].jack_status
) {
629 &intelmaddata
->jack
[1].buttonreleased
);
631 pr_debug("sst: Button Released detected\n");
632 timediff
= intelmaddata
->jack
[1].
633 buttonreleased
.tv_sec
- intelmaddata
->
634 jack
[1].buttonpressed
.tv_sec
;
637 pr_debug("sst: long press detected\n");
638 /* send headphone detect/undetect */
639 jack
= &intelmaddata
->jack
[3].jack
;
643 pr_debug("sst: short press detected\n");
644 /* send headphone detect/undetect */
645 jack
= &intelmaddata
->jack
[2].jack
;
652 intelmaddata
->jack_prev_state
= value
;
655 sst_mad_send_jack_report(jack
, buttonpressflag
, present
);
659 void sst_mad_jackdetection_nec(u8 intsts
, struct snd_intelmad
*intelmaddata
)
662 struct snd_jack
*jack
= NULL
;
663 unsigned int present
= 0, jack_event_flag
= 0, buttonpressflag
= 0;
664 struct sc_reg_access sc_access_read
= {0,};
666 if (intelmaddata
->pmic_status
== PMIC_INIT
) {
667 sc_access_read
.reg_addr
= 0x132;
668 sst_sc_reg_access(&sc_access_read
, PMIC_READ
, 1);
669 value
= (sc_access_read
.value
);
670 pr_debug("sst: value returned = 0x%x\n", value
);
673 pr_debug("sst: headset detected\n");
674 /* send headset detect/undetect */
675 jack
= &intelmaddata
->jack
[1].jack
;
676 present
= (value
== 0x1) ? 1 : 0;
680 pr_debug("sst: headphone detected\n");
681 /* send headphone detect/undetect */
682 jack
= &intelmaddata
->jack
[0].jack
;
683 present
= (value
== 0x2) ? 1 : 0;
687 pr_debug("sst: short push detected\n");
688 /* send short push */
689 jack
= &intelmaddata
->jack
[2].jack
;
695 pr_debug("sst: long push detected\n");
697 jack
= &intelmaddata
->jack
[3].jack
;
704 sst_mad_send_jack_report(jack
, buttonpressflag
, present
);
709 void sst_process_mad_jack_detection(struct work_struct
*work
)
712 struct mad_jack_msg_wq
*mad_jack_detect
=
713 container_of(work
, struct mad_jack_msg_wq
, wq
);
715 struct snd_intelmad
*intelmaddata
=
716 mad_jack_detect
->intelmaddata
;
718 intsts
= mad_jack_detect
->intsts
;
720 switch (intelmaddata
->sstdrv_ops
->vendor_id
) {
722 sst_mad_jackdetection_fs(intsts
, intelmaddata
);
725 sst_mad_jackdetection_mx(intsts
, intelmaddata
);
728 sst_mad_jackdetection_nec(intsts
, intelmaddata
);
734 static int __devinit
snd_intelmad_register_irq(
735 struct snd_intelmad
*intelmaddata
)
738 u32 regbase
= AUDINT_BASE
, regsize
= 8;
741 pr_debug("sst: irq reg done, regbase 0x%x, regsize 0x%x\n",
743 intelmaddata
->int_base
= ioremap_nocache(regbase
, regsize
);
744 if (!intelmaddata
->int_base
)
745 pr_err("sst: Mapping of cache failed\n");
746 pr_debug("sst: irq = 0x%x\n", intelmaddata
->irq
);
747 if (intelmaddata
->cpu_id
== CPU_CHIP_PENWELL
)
748 drv_name
= DRIVER_NAME_MFLD
;
750 drv_name
= DRIVER_NAME_MRST
;
751 ret_val
= request_irq(intelmaddata
->irq
,
752 snd_intelmad_intr_handler
,
753 IRQF_SHARED
, drv_name
,
756 pr_err("sst: cannot register IRQ\n");
760 static int __devinit
snd_intelmad_sst_register(
761 struct snd_intelmad
*intelmaddata
)
764 struct snd_pmic_ops
*intelmad_vendor_ops
[MAX_VENDORS
] = {
771 struct sc_reg_access vendor_addr
= {0x00, 0x00, 0x00};
773 if (intelmaddata
->cpu_id
== CPU_CHIP_LINCROFT
) {
774 ret_val
= sst_sc_reg_access(&vendor_addr
, PMIC_READ
, 1);
777 sst_card_vendor_id
= (vendor_addr
.value
& (MASK2
|MASK1
|MASK0
));
778 pr_debug("sst: orginal n extrated vendor id = 0x%x %d\n",
779 vendor_addr
.value
, sst_card_vendor_id
);
780 if (sst_card_vendor_id
< 0 || sst_card_vendor_id
> 2) {
781 pr_err("sst: vendor card not supported!!\n");
785 sst_card_vendor_id
= 0x3;
787 intelmaddata
->sstdrv_ops
->module_name
= SST_CARD_NAMES
;
788 intelmaddata
->sstdrv_ops
->vendor_id
= sst_card_vendor_id
;
789 BUG_ON(!intelmad_vendor_ops
[sst_card_vendor_id
]);
790 intelmaddata
->sstdrv_ops
->scard_ops
=
791 intelmad_vendor_ops
[sst_card_vendor_id
];
793 if (intelmaddata
->cpu_id
== CPU_CHIP_PENWELL
) {
794 intelmaddata
->sstdrv_ops
->scard_ops
->pb_on
= 0;
795 intelmaddata
->sstdrv_ops
->scard_ops
->cap_on
= 0;
796 intelmaddata
->sstdrv_ops
->scard_ops
->input_dev_id
= DMIC
;
797 intelmaddata
->sstdrv_ops
->scard_ops
->output_dev_id
=
801 /* registering with SST driver to get access to SST APIs to use */
802 ret_val
= register_sst_card(intelmaddata
->sstdrv_ops
);
804 pr_err("sst: sst card registration failed\n");
808 sst_card_vendor_id
= intelmaddata
->sstdrv_ops
->vendor_id
;
809 intelmaddata
->pmic_status
= PMIC_UNINIT
;
813 /* Driver Init/exit functionalities */
815 * snd_intelmad_pcm_new - to setup pcm for the card
817 * @card: pointer to the sound card structure
818 * @intelmaddata: pointer to internal context
819 * @pb: playback count for this card
820 * @cap: capture count for this card
821 * @index: device index
823 * This function is called from probe function to set up pcm params
826 static int __devinit
snd_intelmad_pcm_new(struct snd_card
*card
,
827 struct snd_intelmad
*intelmaddata
,
828 unsigned int pb
, unsigned int cap
, unsigned int index
)
832 char name
[32] = INTEL_MAD
;
833 struct snd_pcm_ops
*pb_ops
= NULL
, *cap_ops
= NULL
;
835 pr_debug("sst: called for pb %d, cp %d, idx %d\n", pb
, cap
, index
);
836 ret_val
= snd_pcm_new(card
, name
, index
, pb
, cap
, &pcm
);
839 /* setup the ops for playback and capture streams */
842 pb_ops
= &snd_intelmad_headset_ops
;
843 cap_ops
= &snd_intelmad_capture_ops
;
846 pb_ops
= &snd_intelmad_ihf_ops
;
847 cap_ops
= &snd_intelmad_capture_ops
;
850 pb_ops
= &snd_intelmad_vibra_ops
;
851 cap_ops
= &snd_intelmad_capture_ops
;
854 pb_ops
= &snd_intelmad_haptic_ops
;
855 cap_ops
= &snd_intelmad_capture_ops
;
859 snd_pcm_set_ops(pcm
, SNDRV_PCM_STREAM_PLAYBACK
, pb_ops
);
861 snd_pcm_set_ops(pcm
, SNDRV_PCM_STREAM_CAPTURE
, cap_ops
);
862 /* setup private data which can be retrieved when required */
863 pcm
->private_data
= intelmaddata
;
865 strncpy(pcm
->name
, card
->shortname
, strlen(card
->shortname
));
866 /* allocate dma pages for ALSA stream operations */
867 snd_pcm_lib_preallocate_pages_for_all(pcm
,
868 SNDRV_DMA_TYPE_CONTINUOUS
,
869 snd_dma_continuous_data(GFP_KERNEL
),
870 MIN_BUFFER
, MAX_BUFFER
);
874 static int __devinit
snd_intelmad_pcm(struct snd_card
*card
,
875 struct snd_intelmad
*intelmaddata
)
880 WARN_ON(!intelmaddata
);
881 pr_debug("sst: snd_intelmad_pcm called\n");
882 ret_val
= snd_intelmad_pcm_new(card
, intelmaddata
, 1, 1, 0);
883 if (intelmaddata
->cpu_id
== CPU_CHIP_LINCROFT
)
885 ret_val
= snd_intelmad_pcm_new(card
, intelmaddata
, 1, 0, 1);
888 ret_val
= snd_intelmad_pcm_new(card
, intelmaddata
, 1, 0, 2);
891 return snd_intelmad_pcm_new(card
, intelmaddata
, 1, 0, 3);
895 * snd_intelmad_jack- to setup jack settings of the card
897 * @intelmaddata: pointer to internal context
899 * This function is called send jack events
901 static int snd_intelmad_jack(struct snd_intelmad
*intelmaddata
)
903 struct snd_jack
*jack
;
906 pr_debug("sst: snd_intelmad_jack called\n");
907 jack
= &intelmaddata
->jack
[0].jack
;
908 retval
= snd_jack_new(intelmaddata
->card
, "Headphone",
909 SND_JACK_HEADPHONE
, &jack
);
912 snd_jack_report(jack
, 0);
914 jack
->private_data
= jack
;
915 intelmaddata
->jack
[0].jack
= *jack
;
918 jack
= &intelmaddata
->jack
[1].jack
;
919 retval
= snd_jack_new(intelmaddata
->card
, "Headset",
920 SND_JACK_HEADSET
, &jack
);
926 jack
->private_data
= jack
;
927 intelmaddata
->jack
[1].jack
= *jack
;
930 jack
= &intelmaddata
->jack
[2].jack
;
931 retval
= snd_jack_new(intelmaddata
->card
, "Short Press",
932 SND_JACK_HS_SHORT_PRESS
, &jack
);
937 jack
->private_data
= jack
;
938 intelmaddata
->jack
[2].jack
= *jack
;
941 jack
= &intelmaddata
->jack
[3].jack
;
942 retval
= snd_jack_new(intelmaddata
->card
, "Long Press",
943 SND_JACK_HS_LONG_PRESS
, &jack
);
948 jack
->private_data
= jack
;
949 intelmaddata
->jack
[3].jack
= *jack
;
955 * snd_intelmad_mixer- to setup mixer settings of the card
957 * @intelmaddata: pointer to internal context
959 * This function is called from probe function to set up mixer controls
961 static int __devinit
snd_intelmad_mixer(struct snd_intelmad
*intelmaddata
)
963 struct snd_card
*card
;
965 int ret_val
= 0, max_controls
= 0;
966 char *mixername
= "IntelMAD Controls";
967 struct snd_kcontrol_new
*controls
;
969 WARN_ON(!intelmaddata
);
971 card
= intelmaddata
->card
;
972 strncpy(card
->mixername
, mixername
, sizeof(card
->mixername
)-1);
973 /* add all widget controls and expose the same */
974 if (intelmaddata
->cpu_id
== CPU_CHIP_PENWELL
) {
975 max_controls
= MAX_CTRL_MFLD
;
976 controls
= snd_intelmad_controls_mfld
;
978 max_controls
= MAX_CTRL_MRST
;
979 controls
= snd_intelmad_controls_mrst
;
981 for (idx
= 0; idx
< max_controls
; idx
++) {
982 ret_val
= snd_ctl_add(card
,
983 snd_ctl_new1(&controls
[idx
],
985 pr_debug("sst: mixer[idx]=%d added\n", idx
);
987 pr_err("sst: in adding of control index = %d\n", idx
);
994 static int snd_intelmad_dev_free(struct snd_device
*device
)
996 struct snd_intelmad
*intelmaddata
;
1000 intelmaddata
= device
->device_data
;
1002 pr_debug("sst: snd_intelmad_dev_free called\n");
1003 snd_card_free(intelmaddata
->card
);
1004 /*genl_unregister_family(&audio_event_genl_family);*/
1005 unregister_sst_card(intelmaddata
->sstdrv_ops
);
1007 /* free allocated memory for internal context */
1008 destroy_workqueue(intelmaddata
->mad_jack_wq
);
1009 kfree(intelmaddata
->sstdrv_ops
);
1010 kfree(intelmaddata
);
1014 static int __devinit
snd_intelmad_create(
1015 struct snd_intelmad
*intelmaddata
,
1016 struct snd_card
*card
)
1019 static struct snd_device_ops ops
= {
1020 .dev_free
= snd_intelmad_dev_free
,
1023 WARN_ON(!intelmaddata
);
1025 /* ALSA api to register for the device */
1026 ret_val
= snd_device_new(card
, SNDRV_DEV_LOWLEVEL
, intelmaddata
, &ops
);
1031 * snd_intelmad_probe- function registred for init
1032 * @pdev : pointer to the device struture
1033 * This function is called when the device is initialized
1035 int __devinit
snd_intelmad_probe(struct platform_device
*pdev
)
1037 struct snd_card
*card
;
1039 struct snd_intelmad
*intelmaddata
;
1040 const struct platform_device_id
*id
= platform_get_device_id(pdev
);
1041 unsigned int cpu_id
= (unsigned int)id
->driver_data
;
1043 pr_debug("sst: probe for %s cpu_id %d\n", pdev
->name
, cpu_id
);
1044 if (!strcmp(pdev
->name
, DRIVER_NAME_MRST
))
1045 pr_debug("sst: detected MRST\n");
1046 else if (!strcmp(pdev
->name
, DRIVER_NAME_MFLD
))
1047 pr_debug("sst: detected MFLD\n");
1049 pr_err("sst: detected unknown device abort!!\n");
1052 if ((cpu_id
< CPU_CHIP_LINCROFT
) || (cpu_id
> CPU_CHIP_PENWELL
)) {
1053 pr_err("sst: detected unknown cpu_id abort!!\n");
1056 /* allocate memory for saving internal context and working */
1057 intelmaddata
= kzalloc(sizeof(*intelmaddata
), GFP_KERNEL
);
1058 if (!intelmaddata
) {
1059 pr_debug("sst: mem alloctn fail\n");
1063 /* allocate memory for LPE API set */
1064 intelmaddata
->sstdrv_ops
= kzalloc(sizeof(struct intel_sst_card_ops
),
1066 if (!intelmaddata
->sstdrv_ops
) {
1067 pr_err("sst: mem allocation for ops fail\n");
1068 kfree(intelmaddata
);
1072 intelmaddata
->cpu_id
= cpu_id
;
1073 /* create a card instance with ALSA framework */
1074 ret_val
= snd_card_create(card_index
, card_id
, THIS_MODULE
, 0, &card
);
1076 pr_err("sst: snd_card_create fail\n");
1080 intelmaddata
->pdev
= pdev
;
1081 intelmaddata
->irq
= platform_get_irq(pdev
, 0);
1082 platform_set_drvdata(pdev
, intelmaddata
);
1083 intelmaddata
->card
= card
;
1084 intelmaddata
->card_id
= card_id
;
1085 intelmaddata
->card_index
= card_index
;
1086 intelmaddata
->master_mute
= UNMUTE
;
1087 intelmaddata
->playback_cnt
= intelmaddata
->capture_cnt
= 0;
1088 strncpy(card
->driver
, INTEL_MAD
, strlen(INTEL_MAD
));
1089 strncpy(card
->shortname
, INTEL_MAD
, strlen(INTEL_MAD
));
1091 intelmaddata
->sstdrv_ops
->module_name
= SST_CARD_NAMES
;
1092 /* registering with LPE driver to get access to SST APIs to use */
1093 ret_val
= snd_intelmad_sst_register(intelmaddata
);
1095 pr_err("sst: snd_intelmad_sst_register failed\n");
1099 intelmaddata
->pmic_status
= PMIC_INIT
;
1101 ret_val
= snd_intelmad_pcm(card
, intelmaddata
);
1103 pr_err("sst: snd_intelmad_pcm failed\n");
1107 ret_val
= snd_intelmad_mixer(intelmaddata
);
1109 pr_err("sst: snd_intelmad_mixer failed\n");
1113 ret_val
= snd_intelmad_jack(intelmaddata
);
1115 pr_err("sst: snd_intelmad_jack failed\n");
1119 /*create work queue for jack interrupt*/
1120 INIT_WORK(&intelmaddata
->mad_jack_msg
.wq
,
1121 sst_process_mad_jack_detection
);
1123 intelmaddata
->mad_jack_wq
= create_workqueue("sst_mad_jack_wq");
1124 if (!intelmaddata
->mad_jack_wq
)
1125 goto free_mad_jack_wq
;
1127 ret_val
= snd_intelmad_register_irq(intelmaddata
);
1129 pr_err("sst: snd_intelmad_register_irq fail\n");
1133 /* internal function call to register device with ALSA */
1134 ret_val
= snd_intelmad_create(intelmaddata
, card
);
1136 pr_err("sst: snd_intelmad_create failed\n");
1139 card
->private_data
= &intelmaddata
;
1140 snd_card_set_dev(card
, &pdev
->dev
);
1141 ret_val
= snd_card_register(card
);
1143 pr_err("sst: snd_card_register failed\n");
1147 pr_debug("sst:snd_intelmad_probe complete\n");
1151 destroy_workqueue(intelmaddata
->mad_jack_wq
);
1153 pr_err("sst: probe failed\n");
1154 snd_card_free(card
);
1155 kfree(intelmaddata
->sstdrv_ops
);
1156 kfree(intelmaddata
);
1161 static int snd_intelmad_remove(struct platform_device
*pdev
)
1163 struct snd_intelmad
*intelmaddata
= platform_get_drvdata(pdev
);
1166 snd_card_free(intelmaddata
->card
);
1167 unregister_sst_card(intelmaddata
->sstdrv_ops
);
1168 /* free allocated memory for internal context */
1169 destroy_workqueue(intelmaddata
->mad_jack_wq
);
1170 kfree(intelmaddata
->sstdrv_ops
);
1171 kfree(intelmaddata
);
1176 /*********************************************************************
1177 * Driver initialization and exit
1178 *********************************************************************/
1179 static const struct platform_device_id snd_intelmad_ids
[] = {
1180 {DRIVER_NAME_MRST
, CPU_CHIP_LINCROFT
},
1181 {DRIVER_NAME_MFLD
, CPU_CHIP_PENWELL
},
1186 static struct platform_driver snd_intelmad_driver
= {
1188 .owner
= THIS_MODULE
,
1189 .name
= "intel_mid_sound_card",
1191 .id_table
= snd_intelmad_ids
,
1192 .probe
= snd_intelmad_probe
,
1193 .remove
= __devexit_p(snd_intelmad_remove
),
1197 * alsa_card_intelmad_init- driver init function
1199 * This function is called when driver module is inserted
1201 static int __init
alsa_card_intelmad_init(void)
1203 pr_debug("sst: mad_init called\n");
1204 return platform_driver_register(&snd_intelmad_driver
);
1208 * alsa_card_intelmad_exit- driver exit function
1210 * This function is called when driver module is removed
1212 static void __exit
alsa_card_intelmad_exit(void)
1214 pr_debug("sst:mad_exit called\n");
1215 return platform_driver_unregister(&snd_intelmad_driver
);
1218 module_init(alsa_card_intelmad_init
)
1219 module_exit(alsa_card_intelmad_exit
)