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Diffstat (limited to 'sound/pci/au88x0/au88x0_pcm.c')
-rw-r--r--sound/pci/au88x0/au88x0_pcm.c682
1 files changed, 682 insertions, 0 deletions
diff --git a/sound/pci/au88x0/au88x0_pcm.c b/sound/pci/au88x0/au88x0_pcm.c
new file mode 100644
index 0000000000..546f712206
--- /dev/null
+++ b/sound/pci/au88x0/au88x0_pcm.c
@@ -0,0 +1,682 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ */
+
+/*
+ * Vortex PCM ALSA driver.
+ *
+ * Supports ADB and WT DMA. Unfortunately, WT channels do not run yet.
+ * It remains stuck,and DMA transfers do not happen.
+ */
+#include <sound/asoundef.h>
+#include <linux/time.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include "au88x0.h"
+
+#define VORTEX_PCM_TYPE(x) (x->name[40])
+
+/* hardware definition */
+static const struct snd_pcm_hardware snd_vortex_playback_hw_adb = {
+ .info =
+ (SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */
+ SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_MMAP_VALID),
+ .formats =
+ SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U8 |
+ SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW,
+ .rates = SNDRV_PCM_RATE_CONTINUOUS,
+ .rate_min = 5000,
+ .rate_max = 48000,
+ .channels_min = 1,
+ .channels_max = 2,
+ .buffer_bytes_max = 0x10000,
+ .period_bytes_min = 0x20,
+ .period_bytes_max = 0x1000,
+ .periods_min = 2,
+ .periods_max = 1024,
+};
+
+#ifndef CHIP_AU8820
+static const struct snd_pcm_hardware snd_vortex_playback_hw_a3d = {
+ .info =
+ (SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */
+ SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_MMAP_VALID),
+ .formats =
+ SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U8 |
+ SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW,
+ .rates = SNDRV_PCM_RATE_CONTINUOUS,
+ .rate_min = 5000,
+ .rate_max = 48000,
+ .channels_min = 1,
+ .channels_max = 1,
+ .buffer_bytes_max = 0x10000,
+ .period_bytes_min = 0x100,
+ .period_bytes_max = 0x1000,
+ .periods_min = 2,
+ .periods_max = 64,
+};
+#endif
+static const struct snd_pcm_hardware snd_vortex_playback_hw_spdif = {
+ .info =
+ (SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */
+ SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_MMAP_VALID),
+ .formats =
+ SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U8 |
+ SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | SNDRV_PCM_FMTBIT_MU_LAW |
+ SNDRV_PCM_FMTBIT_A_LAW,
+ .rates =
+ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
+ .rate_min = 32000,
+ .rate_max = 48000,
+ .channels_min = 1,
+ .channels_max = 2,
+ .buffer_bytes_max = 0x10000,
+ .period_bytes_min = 0x100,
+ .period_bytes_max = 0x1000,
+ .periods_min = 2,
+ .periods_max = 64,
+};
+
+#ifndef CHIP_AU8810
+static const struct snd_pcm_hardware snd_vortex_playback_hw_wt = {
+ .info = (SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .rates = SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_CONTINUOUS, // SNDRV_PCM_RATE_48000,
+ .rate_min = 8000,
+ .rate_max = 48000,
+ .channels_min = 1,
+ .channels_max = 2,
+ .buffer_bytes_max = 0x10000,
+ .period_bytes_min = 0x0400,
+ .period_bytes_max = 0x1000,
+ .periods_min = 2,
+ .periods_max = 64,
+};
+#endif
+#ifdef CHIP_AU8830
+static const unsigned int au8830_channels[3] = {
+ 1, 2, 4,
+};
+
+static const struct snd_pcm_hw_constraint_list hw_constraints_au8830_channels = {
+ .count = ARRAY_SIZE(au8830_channels),
+ .list = au8830_channels,
+ .mask = 0,
+};
+#endif
+
+static void vortex_notify_pcm_vol_change(struct snd_card *card,
+ struct snd_kcontrol *kctl, int activate)
+{
+ if (activate)
+ kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ else
+ kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE |
+ SNDRV_CTL_EVENT_MASK_INFO, &(kctl->id));
+}
+
+/* open callback */
+static int snd_vortex_pcm_open(struct snd_pcm_substream *substream)
+{
+ vortex_t *vortex = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int err;
+
+ /* Force equal size periods */
+ err = snd_pcm_hw_constraint_integer(runtime,
+ SNDRV_PCM_HW_PARAM_PERIODS);
+ if (err < 0)
+ return err;
+ /* Avoid PAGE_SIZE boundary to fall inside of a period. */
+ err = snd_pcm_hw_constraint_pow2(runtime, 0,
+ SNDRV_PCM_HW_PARAM_PERIOD_BYTES);
+ if (err < 0)
+ return err;
+
+ snd_pcm_hw_constraint_step(runtime, 0,
+ SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 64);
+
+ if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
+#ifndef CHIP_AU8820
+ if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_A3D) {
+ runtime->hw = snd_vortex_playback_hw_a3d;
+ }
+#endif
+ if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_SPDIF) {
+ runtime->hw = snd_vortex_playback_hw_spdif;
+ switch (vortex->spdif_sr) {
+ case 32000:
+ runtime->hw.rates = SNDRV_PCM_RATE_32000;
+ break;
+ case 44100:
+ runtime->hw.rates = SNDRV_PCM_RATE_44100;
+ break;
+ case 48000:
+ runtime->hw.rates = SNDRV_PCM_RATE_48000;
+ break;
+ }
+ }
+ if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB
+ || VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_I2S)
+ runtime->hw = snd_vortex_playback_hw_adb;
+#ifdef CHIP_AU8830
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
+ VORTEX_IS_QUAD(vortex) &&
+ VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) {
+ runtime->hw.channels_max = 4;
+ snd_pcm_hw_constraint_list(runtime, 0,
+ SNDRV_PCM_HW_PARAM_CHANNELS,
+ &hw_constraints_au8830_channels);
+ }
+#endif
+ substream->runtime->private_data = NULL;
+ }
+#ifndef CHIP_AU8810
+ else {
+ runtime->hw = snd_vortex_playback_hw_wt;
+ substream->runtime->private_data = NULL;
+ }
+#endif
+ return 0;
+}
+
+/* close callback */
+static int snd_vortex_pcm_close(struct snd_pcm_substream *substream)
+{
+ //vortex_t *chip = snd_pcm_substream_chip(substream);
+ stream_t *stream = (stream_t *) substream->runtime->private_data;
+
+ // the hardware-specific codes will be here
+ if (stream != NULL) {
+ stream->substream = NULL;
+ stream->nr_ch = 0;
+ }
+ substream->runtime->private_data = NULL;
+ return 0;
+}
+
+/* hw_params callback */
+static int
+snd_vortex_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ vortex_t *chip = snd_pcm_substream_chip(substream);
+ stream_t *stream = (stream_t *) (substream->runtime->private_data);
+
+ /*
+ pr_info( "Vortex: periods %d, period_bytes %d, channels = %d\n", params_periods(hw_params),
+ params_period_bytes(hw_params), params_channels(hw_params));
+ */
+ spin_lock_irq(&chip->lock);
+ // Make audio routes and config buffer DMA.
+ if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
+ int dma, type = VORTEX_PCM_TYPE(substream->pcm);
+ /* Dealloc any routes. */
+ if (stream != NULL)
+ vortex_adb_allocroute(chip, stream->dma,
+ stream->nr_ch, stream->dir,
+ stream->type,
+ substream->number);
+ /* Alloc routes. */
+ dma =
+ vortex_adb_allocroute(chip, -1,
+ params_channels(hw_params),
+ substream->stream, type,
+ substream->number);
+ if (dma < 0) {
+ spin_unlock_irq(&chip->lock);
+ return dma;
+ }
+ stream = substream->runtime->private_data = &chip->dma_adb[dma];
+ stream->substream = substream;
+ /* Setup Buffers. */
+ vortex_adbdma_setbuffers(chip, dma,
+ params_period_bytes(hw_params),
+ params_periods(hw_params));
+ if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) {
+ chip->pcm_vol[substream->number].active = 1;
+ vortex_notify_pcm_vol_change(chip->card,
+ chip->pcm_vol[substream->number].kctl, 1);
+ }
+ }
+#ifndef CHIP_AU8810
+ else {
+ /* if (stream != NULL)
+ vortex_wt_allocroute(chip, substream->number, 0); */
+ vortex_wt_allocroute(chip, substream->number,
+ params_channels(hw_params));
+ stream = substream->runtime->private_data =
+ &chip->dma_wt[substream->number];
+ stream->dma = substream->number;
+ stream->substream = substream;
+ vortex_wtdma_setbuffers(chip, substream->number,
+ params_period_bytes(hw_params),
+ params_periods(hw_params));
+ }
+#endif
+ spin_unlock_irq(&chip->lock);
+ return 0;
+}
+
+/* hw_free callback */
+static int snd_vortex_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+ vortex_t *chip = snd_pcm_substream_chip(substream);
+ stream_t *stream = (stream_t *) (substream->runtime->private_data);
+
+ spin_lock_irq(&chip->lock);
+ // Delete audio routes.
+ if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
+ if (stream != NULL) {
+ if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) {
+ chip->pcm_vol[substream->number].active = 0;
+ vortex_notify_pcm_vol_change(chip->card,
+ chip->pcm_vol[substream->number].kctl,
+ 0);
+ }
+ vortex_adb_allocroute(chip, stream->dma,
+ stream->nr_ch, stream->dir,
+ stream->type,
+ substream->number);
+ }
+ }
+#ifndef CHIP_AU8810
+ else {
+ if (stream != NULL)
+ vortex_wt_allocroute(chip, stream->dma, 0);
+ }
+#endif
+ substream->runtime->private_data = NULL;
+ spin_unlock_irq(&chip->lock);
+
+ return 0;
+}
+
+/* prepare callback */
+static int snd_vortex_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ vortex_t *chip = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ stream_t *stream = (stream_t *) substream->runtime->private_data;
+ int dma = stream->dma, fmt, dir;
+
+ // set up the hardware with the current configuration.
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ dir = 1;
+ else
+ dir = 0;
+ fmt = vortex_alsafmt_aspfmt(runtime->format, chip);
+ spin_lock_irq(&chip->lock);
+ if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
+ vortex_adbdma_setmode(chip, dma, 1, dir, fmt,
+ runtime->channels == 1 ? 0 : 1, 0);
+ vortex_adbdma_setstartbuffer(chip, dma, 0);
+ if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_SPDIF)
+ vortex_adb_setsrc(chip, dma, runtime->rate, dir);
+ }
+#ifndef CHIP_AU8810
+ else {
+ vortex_wtdma_setmode(chip, dma, 1, fmt, 0, 0);
+ // FIXME: Set rate (i guess using vortex_wt_writereg() somehow).
+ vortex_wtdma_setstartbuffer(chip, dma, 0);
+ }
+#endif
+ spin_unlock_irq(&chip->lock);
+ return 0;
+}
+
+/* trigger callback */
+static int snd_vortex_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ vortex_t *chip = snd_pcm_substream_chip(substream);
+ stream_t *stream = (stream_t *) substream->runtime->private_data;
+ int dma = stream->dma;
+
+ spin_lock(&chip->lock);
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ // do something to start the PCM engine
+ //printk(KERN_INFO "vortex: start %d\n", dma);
+ stream->fifo_enabled = 1;
+ if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
+ vortex_adbdma_resetup(chip, dma);
+ vortex_adbdma_startfifo(chip, dma);
+ }
+#ifndef CHIP_AU8810
+ else {
+ dev_info(chip->card->dev, "wt start %d\n", dma);
+ vortex_wtdma_startfifo(chip, dma);
+ }
+#endif
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ // do something to stop the PCM engine
+ //printk(KERN_INFO "vortex: stop %d\n", dma);
+ stream->fifo_enabled = 0;
+ if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
+ vortex_adbdma_stopfifo(chip, dma);
+#ifndef CHIP_AU8810
+ else {
+ dev_info(chip->card->dev, "wt stop %d\n", dma);
+ vortex_wtdma_stopfifo(chip, dma);
+ }
+#endif
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ //printk(KERN_INFO "vortex: pause %d\n", dma);
+ if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
+ vortex_adbdma_pausefifo(chip, dma);
+#ifndef CHIP_AU8810
+ else
+ vortex_wtdma_pausefifo(chip, dma);
+#endif
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ //printk(KERN_INFO "vortex: resume %d\n", dma);
+ if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
+ vortex_adbdma_resumefifo(chip, dma);
+#ifndef CHIP_AU8810
+ else
+ vortex_wtdma_resumefifo(chip, dma);
+#endif
+ break;
+ default:
+ spin_unlock(&chip->lock);
+ return -EINVAL;
+ }
+ spin_unlock(&chip->lock);
+ return 0;
+}
+
+/* pointer callback */
+static snd_pcm_uframes_t snd_vortex_pcm_pointer(struct snd_pcm_substream *substream)
+{
+ vortex_t *chip = snd_pcm_substream_chip(substream);
+ stream_t *stream = (stream_t *) substream->runtime->private_data;
+ int dma = stream->dma;
+ snd_pcm_uframes_t current_ptr = 0;
+
+ spin_lock(&chip->lock);
+ if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
+ current_ptr = vortex_adbdma_getlinearpos(chip, dma);
+#ifndef CHIP_AU8810
+ else
+ current_ptr = vortex_wtdma_getlinearpos(chip, dma);
+#endif
+ //printk(KERN_INFO "vortex: pointer = 0x%x\n", current_ptr);
+ spin_unlock(&chip->lock);
+ current_ptr = bytes_to_frames(substream->runtime, current_ptr);
+ if (current_ptr >= substream->runtime->buffer_size)
+ current_ptr = 0;
+ return current_ptr;
+}
+
+/* operators */
+static const struct snd_pcm_ops snd_vortex_playback_ops = {
+ .open = snd_vortex_pcm_open,
+ .close = snd_vortex_pcm_close,
+ .hw_params = snd_vortex_pcm_hw_params,
+ .hw_free = snd_vortex_pcm_hw_free,
+ .prepare = snd_vortex_pcm_prepare,
+ .trigger = snd_vortex_pcm_trigger,
+ .pointer = snd_vortex_pcm_pointer,
+};
+
+/*
+* definitions of capture are omitted here...
+*/
+
+static const char * const vortex_pcm_prettyname[VORTEX_PCM_LAST] = {
+ CARD_NAME " ADB",
+ CARD_NAME " SPDIF",
+ CARD_NAME " A3D",
+ CARD_NAME " WT",
+ CARD_NAME " I2S",
+};
+static const char * const vortex_pcm_name[VORTEX_PCM_LAST] = {
+ "adb",
+ "spdif",
+ "a3d",
+ "wt",
+ "i2s",
+};
+
+/* SPDIF kcontrol */
+
+static int snd_vortex_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
+ uinfo->count = 1;
+ return 0;
+}
+
+static int snd_vortex_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.iec958.status[0] = 0xff;
+ ucontrol->value.iec958.status[1] = 0xff;
+ ucontrol->value.iec958.status[2] = 0xff;
+ ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
+ return 0;
+}
+
+static int snd_vortex_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ vortex_t *vortex = snd_kcontrol_chip(kcontrol);
+ ucontrol->value.iec958.status[0] = 0x00;
+ ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL|IEC958_AES1_CON_DIGDIGCONV_ID;
+ ucontrol->value.iec958.status[2] = 0x00;
+ switch (vortex->spdif_sr) {
+ case 32000: ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS_32000; break;
+ case 44100: ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS_44100; break;
+ case 48000: ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS_48000; break;
+ }
+ return 0;
+}
+
+static int snd_vortex_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ vortex_t *vortex = snd_kcontrol_chip(kcontrol);
+ int spdif_sr = 48000;
+ switch (ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) {
+ case IEC958_AES3_CON_FS_32000: spdif_sr = 32000; break;
+ case IEC958_AES3_CON_FS_44100: spdif_sr = 44100; break;
+ case IEC958_AES3_CON_FS_48000: spdif_sr = 48000; break;
+ }
+ if (spdif_sr == vortex->spdif_sr)
+ return 0;
+ vortex->spdif_sr = spdif_sr;
+ vortex_spdif_init(vortex, vortex->spdif_sr, 1);
+ return 1;
+}
+
+/* spdif controls */
+static const struct snd_kcontrol_new snd_vortex_mixer_spdif[] = {
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
+ .info = snd_vortex_spdif_info,
+ .get = snd_vortex_spdif_get,
+ .put = snd_vortex_spdif_put,
+ },
+ {
+ .access = SNDRV_CTL_ELEM_ACCESS_READ,
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
+ .info = snd_vortex_spdif_info,
+ .get = snd_vortex_spdif_mask_get
+ },
+};
+
+/* subdevice PCM Volume control */
+
+static int snd_vortex_pcm_vol_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ vortex_t *vortex = snd_kcontrol_chip(kcontrol);
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = (VORTEX_IS_QUAD(vortex) ? 4 : 2);
+ uinfo->value.integer.min = -128;
+ uinfo->value.integer.max = 32;
+ return 0;
+}
+
+static int snd_vortex_pcm_vol_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int i;
+ vortex_t *vortex = snd_kcontrol_chip(kcontrol);
+ int subdev = kcontrol->id.subdevice;
+ struct pcm_vol *p = &vortex->pcm_vol[subdev];
+ int max_chn = (VORTEX_IS_QUAD(vortex) ? 4 : 2);
+ for (i = 0; i < max_chn; i++)
+ ucontrol->value.integer.value[i] = p->vol[i];
+ return 0;
+}
+
+static int snd_vortex_pcm_vol_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int i;
+ int changed = 0;
+ int mixin;
+ unsigned char vol;
+ vortex_t *vortex = snd_kcontrol_chip(kcontrol);
+ int subdev = kcontrol->id.subdevice;
+ struct pcm_vol *p = &vortex->pcm_vol[subdev];
+ int max_chn = (VORTEX_IS_QUAD(vortex) ? 4 : 2);
+ for (i = 0; i < max_chn; i++) {
+ if (p->vol[i] != ucontrol->value.integer.value[i]) {
+ p->vol[i] = ucontrol->value.integer.value[i];
+ if (p->active) {
+ switch (vortex->dma_adb[p->dma].nr_ch) {
+ case 1:
+ mixin = p->mixin[0];
+ break;
+ case 2:
+ default:
+ mixin = p->mixin[(i < 2) ? i : (i - 2)];
+ break;
+ case 4:
+ mixin = p->mixin[i];
+ break;
+ }
+ vol = p->vol[i];
+ vortex_mix_setinputvolumebyte(vortex,
+ vortex->mixplayb[i], mixin, vol);
+ }
+ changed = 1;
+ }
+ }
+ return changed;
+}
+
+static const DECLARE_TLV_DB_MINMAX(vortex_pcm_vol_db_scale, -9600, 2400);
+
+static const struct snd_kcontrol_new snd_vortex_pcm_vol = {
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "PCM Playback Volume",
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ |
+ SNDRV_CTL_ELEM_ACCESS_INACTIVE,
+ .info = snd_vortex_pcm_vol_info,
+ .get = snd_vortex_pcm_vol_get,
+ .put = snd_vortex_pcm_vol_put,
+ .tlv = { .p = vortex_pcm_vol_db_scale },
+};
+
+/* create a pcm device */
+static int snd_vortex_new_pcm(vortex_t *chip, int idx, int nr)
+{
+ struct snd_pcm *pcm;
+ struct snd_kcontrol *kctl;
+ int i;
+ int err, nr_capt;
+
+ if (!chip || idx < 0 || idx >= VORTEX_PCM_LAST)
+ return -ENODEV;
+
+ /* idx indicates which kind of PCM device. ADB, SPDIF, I2S and A3D share the
+ * same dma engine. WT uses it own separate dma engine which can't capture. */
+ if (idx == VORTEX_PCM_ADB)
+ nr_capt = nr;
+ else
+ nr_capt = 0;
+ err = snd_pcm_new(chip->card, vortex_pcm_prettyname[idx], idx, nr,
+ nr_capt, &pcm);
+ if (err < 0)
+ return err;
+ snprintf(pcm->name, sizeof(pcm->name),
+ "%s %s", CARD_NAME_SHORT, vortex_pcm_name[idx]);
+ chip->pcm[idx] = pcm;
+ // This is an evil hack, but it saves a lot of duplicated code.
+ VORTEX_PCM_TYPE(pcm) = idx;
+ pcm->private_data = chip;
+ /* set operators */
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
+ &snd_vortex_playback_ops);
+ if (idx == VORTEX_PCM_ADB)
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
+ &snd_vortex_playback_ops);
+
+ /* pre-allocation of Scatter-Gather buffers */
+
+ snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
+ &chip->pci_dev->dev, 0x10000, 0x10000);
+
+ switch (VORTEX_PCM_TYPE(pcm)) {
+ case VORTEX_PCM_ADB:
+ err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
+ snd_pcm_std_chmaps,
+ VORTEX_IS_QUAD(chip) ? 4 : 2,
+ 0, NULL);
+ if (err < 0)
+ return err;
+ err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_CAPTURE,
+ snd_pcm_std_chmaps, 2, 0, NULL);
+ if (err < 0)
+ return err;
+ break;
+#ifdef CHIP_AU8830
+ case VORTEX_PCM_A3D:
+ err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
+ snd_pcm_std_chmaps, 1, 0, NULL);
+ if (err < 0)
+ return err;
+ break;
+#endif
+ }
+
+ if (VORTEX_PCM_TYPE(pcm) == VORTEX_PCM_SPDIF) {
+ for (i = 0; i < ARRAY_SIZE(snd_vortex_mixer_spdif); i++) {
+ kctl = snd_ctl_new1(&snd_vortex_mixer_spdif[i], chip);
+ if (!kctl)
+ return -ENOMEM;
+ err = snd_ctl_add(chip->card, kctl);
+ if (err < 0)
+ return err;
+ }
+ }
+ if (VORTEX_PCM_TYPE(pcm) == VORTEX_PCM_ADB) {
+ for (i = 0; i < NR_PCM; i++) {
+ chip->pcm_vol[i].active = 0;
+ chip->pcm_vol[i].dma = -1;
+ kctl = snd_ctl_new1(&snd_vortex_pcm_vol, chip);
+ if (!kctl)
+ return -ENOMEM;
+ chip->pcm_vol[i].kctl = kctl;
+ kctl->id.device = 0;
+ kctl->id.subdevice = i;
+ err = snd_ctl_add(chip->card, kctl);
+ if (err < 0)
+ return err;
+ }
+ }
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 04:18:51 +0000