1c942fddfSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later
228cae868SHans Verkuil /*
3cf293a4fSAlexander A. Klimov * Copyright (C) 2010-2013 Bluecherry, LLC <https://www.bluecherrydvr.com>
428cae868SHans Verkuil *
528cae868SHans Verkuil * Original author:
628cae868SHans Verkuil * Ben Collins <bcollins@ubuntu.com>
728cae868SHans Verkuil *
828cae868SHans Verkuil * Additional work by:
928cae868SHans Verkuil * John Brooks <john.brooks@bluecherry.net>
1028cae868SHans Verkuil */
1128cae868SHans Verkuil
1228cae868SHans Verkuil #include <linux/kernel.h>
1328cae868SHans Verkuil #include <linux/mempool.h>
1428cae868SHans Verkuil #include <linux/poll.h>
1528cae868SHans Verkuil #include <linux/kthread.h>
1628cae868SHans Verkuil #include <linux/freezer.h>
1728cae868SHans Verkuil #include <linux/module.h>
1828cae868SHans Verkuil #include <linux/slab.h>
1928cae868SHans Verkuil
2028cae868SHans Verkuil #include <sound/core.h>
2128cae868SHans Verkuil #include <sound/initval.h>
2228cae868SHans Verkuil #include <sound/pcm.h>
2328cae868SHans Verkuil #include <sound/control.h>
2428cae868SHans Verkuil
2528cae868SHans Verkuil #include "solo6x10.h"
2628cae868SHans Verkuil #include "solo6x10-tw28.h"
2728cae868SHans Verkuil
2828cae868SHans Verkuil #define G723_FDMA_PAGES 32
2928cae868SHans Verkuil #define G723_PERIOD_BYTES 48
3028cae868SHans Verkuil #define G723_PERIOD_BLOCK 1024
3128cae868SHans Verkuil #define G723_FRAMES_PER_PAGE 48
3228cae868SHans Verkuil
3328cae868SHans Verkuil /* Sets up channels 16-19 for decoding and 0-15 for encoding */
3428cae868SHans Verkuil #define OUTMODE_MASK 0x300
3528cae868SHans Verkuil
3628cae868SHans Verkuil #define SAMPLERATE 8000
3728cae868SHans Verkuil #define BITRATE 25
3828cae868SHans Verkuil
3928cae868SHans Verkuil /* The solo writes to 1k byte pages, 32 pages, in the dma. Each 1k page
4028cae868SHans Verkuil * is broken down to 20 * 48 byte regions (one for each channel possible)
4128cae868SHans Verkuil * with the rest of the page being dummy data. */
429d1b1f61SKrzysztof Hałasa #define PERIODS G723_FDMA_PAGES
4328cae868SHans Verkuil #define G723_INTR_ORDER 4 /* 0 - 4 */
4428cae868SHans Verkuil
4528cae868SHans Verkuil struct solo_snd_pcm {
4628cae868SHans Verkuil int on;
4728cae868SHans Verkuil spinlock_t lock;
4828cae868SHans Verkuil struct solo_dev *solo_dev;
498a4d9a9cSIsmael Luceno u8 *g723_buf;
5028cae868SHans Verkuil dma_addr_t g723_dma;
5128cae868SHans Verkuil };
5228cae868SHans Verkuil
solo_g723_config(struct solo_dev * solo_dev)5328cae868SHans Verkuil static void solo_g723_config(struct solo_dev *solo_dev)
5428cae868SHans Verkuil {
5528cae868SHans Verkuil int clk_div;
5628cae868SHans Verkuil
5728cae868SHans Verkuil clk_div = (solo_dev->clock_mhz * 1000000)
5828cae868SHans Verkuil / (SAMPLERATE * (BITRATE * 2) * 2);
5928cae868SHans Verkuil
6028cae868SHans Verkuil solo_reg_write(solo_dev, SOLO_AUDIO_SAMPLE,
6128cae868SHans Verkuil SOLO_AUDIO_BITRATE(BITRATE)
6228cae868SHans Verkuil | SOLO_AUDIO_CLK_DIV(clk_div));
6328cae868SHans Verkuil
6428cae868SHans Verkuil solo_reg_write(solo_dev, SOLO_AUDIO_FDMA_INTR,
6528cae868SHans Verkuil SOLO_AUDIO_FDMA_INTERVAL(1)
6628cae868SHans Verkuil | SOLO_AUDIO_INTR_ORDER(G723_INTR_ORDER)
6728cae868SHans Verkuil | SOLO_AUDIO_FDMA_BASE(SOLO_G723_EXT_ADDR(solo_dev) >> 16));
6828cae868SHans Verkuil
6928cae868SHans Verkuil solo_reg_write(solo_dev, SOLO_AUDIO_CONTROL,
7028cae868SHans Verkuil SOLO_AUDIO_ENABLE
7128cae868SHans Verkuil | SOLO_AUDIO_I2S_MODE
7228cae868SHans Verkuil | SOLO_AUDIO_I2S_MULTI(3)
7328cae868SHans Verkuil | SOLO_AUDIO_MODE(OUTMODE_MASK));
7428cae868SHans Verkuil }
7528cae868SHans Verkuil
solo_g723_isr(struct solo_dev * solo_dev)7628cae868SHans Verkuil void solo_g723_isr(struct solo_dev *solo_dev)
7728cae868SHans Verkuil {
7828cae868SHans Verkuil struct snd_pcm_str *pstr =
7928cae868SHans Verkuil &solo_dev->snd_pcm->streams[SNDRV_PCM_STREAM_CAPTURE];
8028cae868SHans Verkuil struct snd_pcm_substream *ss;
8128cae868SHans Verkuil struct solo_snd_pcm *solo_pcm;
8228cae868SHans Verkuil
8328cae868SHans Verkuil for (ss = pstr->substream; ss != NULL; ss = ss->next) {
8428cae868SHans Verkuil if (snd_pcm_substream_chip(ss) == NULL)
8528cae868SHans Verkuil continue;
8628cae868SHans Verkuil
8728cae868SHans Verkuil /* This means open() hasn't been called on this one */
8828cae868SHans Verkuil if (snd_pcm_substream_chip(ss) == solo_dev)
8928cae868SHans Verkuil continue;
9028cae868SHans Verkuil
9128cae868SHans Verkuil /* Haven't triggered a start yet */
9228cae868SHans Verkuil solo_pcm = snd_pcm_substream_chip(ss);
9328cae868SHans Verkuil if (!solo_pcm->on)
9428cae868SHans Verkuil continue;
9528cae868SHans Verkuil
9628cae868SHans Verkuil snd_pcm_period_elapsed(ss);
9728cae868SHans Verkuil }
9828cae868SHans Verkuil }
9928cae868SHans Verkuil
10028cae868SHans Verkuil static const struct snd_pcm_hardware snd_solo_pcm_hw = {
10128cae868SHans Verkuil .info = (SNDRV_PCM_INFO_MMAP |
10228cae868SHans Verkuil SNDRV_PCM_INFO_INTERLEAVED |
10328cae868SHans Verkuil SNDRV_PCM_INFO_BLOCK_TRANSFER |
10428cae868SHans Verkuil SNDRV_PCM_INFO_MMAP_VALID),
10528cae868SHans Verkuil .formats = SNDRV_PCM_FMTBIT_U8,
10628cae868SHans Verkuil .rates = SNDRV_PCM_RATE_8000,
10728cae868SHans Verkuil .rate_min = SAMPLERATE,
10828cae868SHans Verkuil .rate_max = SAMPLERATE,
10928cae868SHans Verkuil .channels_min = 1,
11028cae868SHans Verkuil .channels_max = 1,
1119d1b1f61SKrzysztof Hałasa .buffer_bytes_max = G723_PERIOD_BYTES * PERIODS,
11228cae868SHans Verkuil .period_bytes_min = G723_PERIOD_BYTES,
11328cae868SHans Verkuil .period_bytes_max = G723_PERIOD_BYTES,
1149d1b1f61SKrzysztof Hałasa .periods_min = PERIODS,
1159d1b1f61SKrzysztof Hałasa .periods_max = PERIODS,
11628cae868SHans Verkuil };
11728cae868SHans Verkuil
snd_solo_pcm_open(struct snd_pcm_substream * ss)11828cae868SHans Verkuil static int snd_solo_pcm_open(struct snd_pcm_substream *ss)
11928cae868SHans Verkuil {
12028cae868SHans Verkuil struct solo_dev *solo_dev = snd_pcm_substream_chip(ss);
12128cae868SHans Verkuil struct solo_snd_pcm *solo_pcm;
12228cae868SHans Verkuil
12328cae868SHans Verkuil solo_pcm = kzalloc(sizeof(*solo_pcm), GFP_KERNEL);
12428cae868SHans Verkuil if (solo_pcm == NULL)
12528cae868SHans Verkuil goto oom;
12628cae868SHans Verkuil
1270c5a71dcSChristophe JAILLET solo_pcm->g723_buf = dma_alloc_coherent(&solo_dev->pdev->dev,
12828cae868SHans Verkuil G723_PERIOD_BYTES,
1290c5a71dcSChristophe JAILLET &solo_pcm->g723_dma,
1300c5a71dcSChristophe JAILLET GFP_KERNEL);
13128cae868SHans Verkuil if (solo_pcm->g723_buf == NULL)
13228cae868SHans Verkuil goto oom;
13328cae868SHans Verkuil
13428cae868SHans Verkuil spin_lock_init(&solo_pcm->lock);
13528cae868SHans Verkuil solo_pcm->solo_dev = solo_dev;
13628cae868SHans Verkuil ss->runtime->hw = snd_solo_pcm_hw;
13728cae868SHans Verkuil
13828cae868SHans Verkuil snd_pcm_substream_chip(ss) = solo_pcm;
13928cae868SHans Verkuil
14028cae868SHans Verkuil return 0;
14128cae868SHans Verkuil
14228cae868SHans Verkuil oom:
14328cae868SHans Verkuil kfree(solo_pcm);
14428cae868SHans Verkuil return -ENOMEM;
14528cae868SHans Verkuil }
14628cae868SHans Verkuil
snd_solo_pcm_close(struct snd_pcm_substream * ss)14728cae868SHans Verkuil static int snd_solo_pcm_close(struct snd_pcm_substream *ss)
14828cae868SHans Verkuil {
14928cae868SHans Verkuil struct solo_snd_pcm *solo_pcm = snd_pcm_substream_chip(ss);
15028cae868SHans Verkuil
15128cae868SHans Verkuil snd_pcm_substream_chip(ss) = solo_pcm->solo_dev;
1520c5a71dcSChristophe JAILLET dma_free_coherent(&solo_pcm->solo_dev->pdev->dev, G723_PERIOD_BYTES,
15328cae868SHans Verkuil solo_pcm->g723_buf, solo_pcm->g723_dma);
15428cae868SHans Verkuil kfree(solo_pcm);
15528cae868SHans Verkuil
15628cae868SHans Verkuil return 0;
15728cae868SHans Verkuil }
15828cae868SHans Verkuil
snd_solo_pcm_trigger(struct snd_pcm_substream * ss,int cmd)15928cae868SHans Verkuil static int snd_solo_pcm_trigger(struct snd_pcm_substream *ss, int cmd)
16028cae868SHans Verkuil {
16128cae868SHans Verkuil struct solo_snd_pcm *solo_pcm = snd_pcm_substream_chip(ss);
16228cae868SHans Verkuil struct solo_dev *solo_dev = solo_pcm->solo_dev;
16328cae868SHans Verkuil int ret = 0;
16428cae868SHans Verkuil
16528cae868SHans Verkuil spin_lock(&solo_pcm->lock);
16628cae868SHans Verkuil
16728cae868SHans Verkuil switch (cmd) {
16828cae868SHans Verkuil case SNDRV_PCM_TRIGGER_START:
16928cae868SHans Verkuil if (solo_pcm->on == 0) {
17028cae868SHans Verkuil /* If this is the first user, switch on interrupts */
17128cae868SHans Verkuil if (atomic_inc_return(&solo_dev->snd_users) == 1)
17228cae868SHans Verkuil solo_irq_on(solo_dev, SOLO_IRQ_G723);
17328cae868SHans Verkuil solo_pcm->on = 1;
17428cae868SHans Verkuil }
17528cae868SHans Verkuil break;
17628cae868SHans Verkuil case SNDRV_PCM_TRIGGER_STOP:
17728cae868SHans Verkuil if (solo_pcm->on) {
17828cae868SHans Verkuil /* If this was our last user, switch them off */
17928cae868SHans Verkuil if (atomic_dec_return(&solo_dev->snd_users) == 0)
18028cae868SHans Verkuil solo_irq_off(solo_dev, SOLO_IRQ_G723);
18128cae868SHans Verkuil solo_pcm->on = 0;
18228cae868SHans Verkuil }
18328cae868SHans Verkuil break;
18428cae868SHans Verkuil default:
18528cae868SHans Verkuil ret = -EINVAL;
18628cae868SHans Verkuil }
18728cae868SHans Verkuil
18828cae868SHans Verkuil spin_unlock(&solo_pcm->lock);
18928cae868SHans Verkuil
19028cae868SHans Verkuil return ret;
19128cae868SHans Verkuil }
19228cae868SHans Verkuil
snd_solo_pcm_prepare(struct snd_pcm_substream * ss)19328cae868SHans Verkuil static int snd_solo_pcm_prepare(struct snd_pcm_substream *ss)
19428cae868SHans Verkuil {
19528cae868SHans Verkuil return 0;
19628cae868SHans Verkuil }
19728cae868SHans Verkuil
snd_solo_pcm_pointer(struct snd_pcm_substream * ss)19828cae868SHans Verkuil static snd_pcm_uframes_t snd_solo_pcm_pointer(struct snd_pcm_substream *ss)
19928cae868SHans Verkuil {
20028cae868SHans Verkuil struct solo_snd_pcm *solo_pcm = snd_pcm_substream_chip(ss);
20128cae868SHans Verkuil struct solo_dev *solo_dev = solo_pcm->solo_dev;
20228cae868SHans Verkuil snd_pcm_uframes_t idx = solo_reg_read(solo_dev, SOLO_AUDIO_STA) & 0x1f;
20328cae868SHans Verkuil
20428cae868SHans Verkuil return idx * G723_FRAMES_PER_PAGE;
20528cae868SHans Verkuil }
20628cae868SHans Verkuil
snd_solo_pcm_copy(struct snd_pcm_substream * ss,int channel,unsigned long pos,struct iov_iter * dst,unsigned long count)207*44f08b67STakashi Iwai static int snd_solo_pcm_copy(struct snd_pcm_substream *ss, int channel,
208*44f08b67STakashi Iwai unsigned long pos, struct iov_iter *dst,
20943e69758SMauro Carvalho Chehab unsigned long count)
21028cae868SHans Verkuil {
21128cae868SHans Verkuil struct solo_snd_pcm *solo_pcm = snd_pcm_substream_chip(ss);
21228cae868SHans Verkuil struct solo_dev *solo_dev = solo_pcm->solo_dev;
21328cae868SHans Verkuil int err, i;
21428cae868SHans Verkuil
21528cae868SHans Verkuil for (i = 0; i < (count / G723_FRAMES_PER_PAGE); i++) {
21628cae868SHans Verkuil int page = (pos / G723_FRAMES_PER_PAGE) + i;
21728cae868SHans Verkuil
21828cae868SHans Verkuil err = solo_p2m_dma_t(solo_dev, 0, solo_pcm->g723_dma,
21928cae868SHans Verkuil SOLO_G723_EXT_ADDR(solo_dev) +
22028cae868SHans Verkuil (page * G723_PERIOD_BLOCK) +
22128cae868SHans Verkuil (ss->number * G723_PERIOD_BYTES),
22228cae868SHans Verkuil G723_PERIOD_BYTES, 0, 0);
22328cae868SHans Verkuil if (err)
22428cae868SHans Verkuil return err;
22528cae868SHans Verkuil
226*44f08b67STakashi Iwai if (copy_to_iter(solo_pcm->g723_buf, G723_PERIOD_BYTES, dst) !=
227*44f08b67STakashi Iwai G723_PERIOD_BYTES)
22828cae868SHans Verkuil return -EFAULT;
22943e69758SMauro Carvalho Chehab }
23043e69758SMauro Carvalho Chehab
23143e69758SMauro Carvalho Chehab return 0;
2321facf21eSTakashi Iwai }
2331facf21eSTakashi Iwai
2345c8d8c01SJulia Lawall static const struct snd_pcm_ops snd_solo_pcm_ops = {
23528cae868SHans Verkuil .open = snd_solo_pcm_open,
23628cae868SHans Verkuil .close = snd_solo_pcm_close,
23728cae868SHans Verkuil .prepare = snd_solo_pcm_prepare,
23828cae868SHans Verkuil .trigger = snd_solo_pcm_trigger,
23928cae868SHans Verkuil .pointer = snd_solo_pcm_pointer,
240*44f08b67STakashi Iwai .copy = snd_solo_pcm_copy,
24128cae868SHans Verkuil };
24228cae868SHans Verkuil
snd_solo_capture_volume_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * info)24328cae868SHans Verkuil static int snd_solo_capture_volume_info(struct snd_kcontrol *kcontrol,
24428cae868SHans Verkuil struct snd_ctl_elem_info *info)
24528cae868SHans Verkuil {
24628cae868SHans Verkuil info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
24728cae868SHans Verkuil info->count = 1;
24828cae868SHans Verkuil info->value.integer.min = 0;
24928cae868SHans Verkuil info->value.integer.max = 15;
25028cae868SHans Verkuil info->value.integer.step = 1;
25128cae868SHans Verkuil
25228cae868SHans Verkuil return 0;
25328cae868SHans Verkuil }
25428cae868SHans Verkuil
snd_solo_capture_volume_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * value)25528cae868SHans Verkuil static int snd_solo_capture_volume_get(struct snd_kcontrol *kcontrol,
25628cae868SHans Verkuil struct snd_ctl_elem_value *value)
25728cae868SHans Verkuil {
25828cae868SHans Verkuil struct solo_dev *solo_dev = snd_kcontrol_chip(kcontrol);
25928cae868SHans Verkuil u8 ch = value->id.numid - 1;
26028cae868SHans Verkuil
26128cae868SHans Verkuil value->value.integer.value[0] = tw28_get_audio_gain(solo_dev, ch);
26228cae868SHans Verkuil
26328cae868SHans Verkuil return 0;
26428cae868SHans Verkuil }
26528cae868SHans Verkuil
snd_solo_capture_volume_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * value)26628cae868SHans Verkuil static int snd_solo_capture_volume_put(struct snd_kcontrol *kcontrol,
26728cae868SHans Verkuil struct snd_ctl_elem_value *value)
26828cae868SHans Verkuil {
26928cae868SHans Verkuil struct solo_dev *solo_dev = snd_kcontrol_chip(kcontrol);
27028cae868SHans Verkuil u8 ch = value->id.numid - 1;
27128cae868SHans Verkuil u8 old_val;
27228cae868SHans Verkuil
27328cae868SHans Verkuil old_val = tw28_get_audio_gain(solo_dev, ch);
27428cae868SHans Verkuil if (old_val == value->value.integer.value[0])
27528cae868SHans Verkuil return 0;
27628cae868SHans Verkuil
27728cae868SHans Verkuil tw28_set_audio_gain(solo_dev, ch, value->value.integer.value[0]);
27828cae868SHans Verkuil
27928cae868SHans Verkuil return 1;
28028cae868SHans Verkuil }
28128cae868SHans Verkuil
28224a571d1SBhumika Goyal static const struct snd_kcontrol_new snd_solo_capture_volume = {
28328cae868SHans Verkuil .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
28428cae868SHans Verkuil .name = "Capture Volume",
28528cae868SHans Verkuil .info = snd_solo_capture_volume_info,
28628cae868SHans Verkuil .get = snd_solo_capture_volume_get,
28728cae868SHans Verkuil .put = snd_solo_capture_volume_put,
28828cae868SHans Verkuil };
28928cae868SHans Verkuil
solo_snd_pcm_init(struct solo_dev * solo_dev)29028cae868SHans Verkuil static int solo_snd_pcm_init(struct solo_dev *solo_dev)
29128cae868SHans Verkuil {
29228cae868SHans Verkuil struct snd_card *card = solo_dev->snd_card;
29328cae868SHans Verkuil struct snd_pcm *pcm;
29428cae868SHans Verkuil struct snd_pcm_substream *ss;
29528cae868SHans Verkuil int ret;
29628cae868SHans Verkuil int i;
29728cae868SHans Verkuil
29828cae868SHans Verkuil ret = snd_pcm_new(card, card->driver, 0, 0, solo_dev->nr_chans,
29928cae868SHans Verkuil &pcm);
30028cae868SHans Verkuil if (ret < 0)
30128cae868SHans Verkuil return ret;
30228cae868SHans Verkuil
30328cae868SHans Verkuil snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
30428cae868SHans Verkuil &snd_solo_pcm_ops);
30528cae868SHans Verkuil
30628cae868SHans Verkuil snd_pcm_chip(pcm) = solo_dev;
30728cae868SHans Verkuil pcm->info_flags = 0;
308cc1e6315SMauro Carvalho Chehab strscpy(pcm->name, card->shortname, sizeof(pcm->name));
30928cae868SHans Verkuil
31028cae868SHans Verkuil for (i = 0, ss = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
31128cae868SHans Verkuil ss; ss = ss->next, i++)
31228cae868SHans Verkuil sprintf(ss->name, "Camera #%d Audio", i);
31328cae868SHans Verkuil
314a98e2e22STakashi Iwai snd_pcm_set_managed_buffer_all(pcm,
31528cae868SHans Verkuil SNDRV_DMA_TYPE_CONTINUOUS,
316ef99d99bSTakashi Iwai NULL,
3179d1b1f61SKrzysztof Hałasa G723_PERIOD_BYTES * PERIODS,
3189d1b1f61SKrzysztof Hałasa G723_PERIOD_BYTES * PERIODS);
31928cae868SHans Verkuil
32028cae868SHans Verkuil solo_dev->snd_pcm = pcm;
32128cae868SHans Verkuil
32228cae868SHans Verkuil return 0;
32328cae868SHans Verkuil }
32428cae868SHans Verkuil
solo_g723_init(struct solo_dev * solo_dev)32528cae868SHans Verkuil int solo_g723_init(struct solo_dev *solo_dev)
32628cae868SHans Verkuil {
327c4d27f4bSKees Cook static struct snd_device_ops ops = { };
32828cae868SHans Verkuil struct snd_card *card;
32928cae868SHans Verkuil struct snd_kcontrol_new kctl;
33028cae868SHans Verkuil char name[32];
33128cae868SHans Verkuil int ret;
33228cae868SHans Verkuil
33328cae868SHans Verkuil atomic_set(&solo_dev->snd_users, 0);
33428cae868SHans Verkuil
33528cae868SHans Verkuil /* Allows for easier mapping between video and audio */
33628cae868SHans Verkuil sprintf(name, "Softlogic%d", solo_dev->vfd->num);
33728cae868SHans Verkuil
33828cae868SHans Verkuil ret = snd_card_new(&solo_dev->pdev->dev,
33928cae868SHans Verkuil SNDRV_DEFAULT_IDX1, name, THIS_MODULE, 0,
34028cae868SHans Verkuil &solo_dev->snd_card);
34128cae868SHans Verkuil if (ret < 0)
34228cae868SHans Verkuil return ret;
34328cae868SHans Verkuil
34428cae868SHans Verkuil card = solo_dev->snd_card;
34528cae868SHans Verkuil
346cc1e6315SMauro Carvalho Chehab strscpy(card->driver, SOLO6X10_NAME, sizeof(card->driver));
347cc1e6315SMauro Carvalho Chehab strscpy(card->shortname, "SOLO-6x10 Audio", sizeof(card->shortname));
34828cae868SHans Verkuil sprintf(card->longname, "%s on %s IRQ %d", card->shortname,
34928cae868SHans Verkuil pci_name(solo_dev->pdev), solo_dev->pdev->irq);
35028cae868SHans Verkuil
35128cae868SHans Verkuil ret = snd_device_new(card, SNDRV_DEV_LOWLEVEL, solo_dev, &ops);
35228cae868SHans Verkuil if (ret < 0)
35328cae868SHans Verkuil goto snd_error;
35428cae868SHans Verkuil
35528cae868SHans Verkuil /* Mixer controls */
356cc1e6315SMauro Carvalho Chehab strscpy(card->mixername, "SOLO-6x10", sizeof(card->mixername));
35728cae868SHans Verkuil kctl = snd_solo_capture_volume;
35828cae868SHans Verkuil kctl.count = solo_dev->nr_chans;
35928cae868SHans Verkuil
36028cae868SHans Verkuil ret = snd_ctl_add(card, snd_ctl_new1(&kctl, solo_dev));
36128cae868SHans Verkuil if (ret < 0)
362dcdff74fSQinglang Miao goto snd_error;
36328cae868SHans Verkuil
36428cae868SHans Verkuil ret = solo_snd_pcm_init(solo_dev);
36528cae868SHans Verkuil if (ret < 0)
36628cae868SHans Verkuil goto snd_error;
36728cae868SHans Verkuil
36828cae868SHans Verkuil ret = snd_card_register(card);
36928cae868SHans Verkuil if (ret < 0)
37028cae868SHans Verkuil goto snd_error;
37128cae868SHans Verkuil
37228cae868SHans Verkuil solo_g723_config(solo_dev);
37328cae868SHans Verkuil
37428cae868SHans Verkuil dev_info(&solo_dev->pdev->dev, "Alsa sound card as %s\n", name);
37528cae868SHans Verkuil
37628cae868SHans Verkuil return 0;
37728cae868SHans Verkuil
37828cae868SHans Verkuil snd_error:
37928cae868SHans Verkuil snd_card_free(card);
38028cae868SHans Verkuil return ret;
38128cae868SHans Verkuil }
38228cae868SHans Verkuil
solo_g723_exit(struct solo_dev * solo_dev)38328cae868SHans Verkuil void solo_g723_exit(struct solo_dev *solo_dev)
38428cae868SHans Verkuil {
38528cae868SHans Verkuil if (!solo_dev->snd_card)
38628cae868SHans Verkuil return;
38728cae868SHans Verkuil
38828cae868SHans Verkuil solo_reg_write(solo_dev, SOLO_AUDIO_CONTROL, 0);
38928cae868SHans Verkuil solo_irq_off(solo_dev, SOLO_IRQ_G723);
39028cae868SHans Verkuil
39128cae868SHans Verkuil snd_card_free(solo_dev->snd_card);
39228cae868SHans Verkuil solo_dev->snd_card = NULL;
39328cae868SHans Verkuil }
394