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Diffstat (limited to 'sound/pci/emu10k1/p16v.c')
-rw-r--r--sound/pci/emu10k1/p16v.c367
1 files changed, 336 insertions, 31 deletions
diff --git a/sound/pci/emu10k1/p16v.c b/sound/pci/emu10k1/p16v.c
index d03cb2fefc9e..98f980189892 100644
--- a/sound/pci/emu10k1/p16v.c
+++ b/sound/pci/emu10k1/p16v.c
@@ -1,7 +1,7 @@
/*
* Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
* Driver p16v chips
- * Version: 0.22
+ * Version: 0.25
*
* FEATURES currently supported:
* Output fixed at S32_LE, 2 channel to hw:0,0
@@ -41,7 +41,15 @@
* Integrated with snd-emu10k1 driver.
* 0.22
* Removed #if 0 ... #endif
- *
+ * 0.23
+ * Implement different capture rates.
+ * 0.24
+ * Implement different capture source channels.
+ * e.g. When HD Capture source is set to SPDIF,
+ * setting HD Capture channel to 0 captures from CDROM digital input.
+ * setting HD Capture channel to 1 captures from SPDIF in.
+ * 0.25
+ * Include capture buffer sizes.
*
* BUGS:
* Some stability problems when unloading the snd-p16v kernel module.
@@ -119,22 +127,41 @@ static snd_pcm_hardware_t snd_p16v_playback_hw = {
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP_VALID),
.formats = SNDRV_PCM_FMTBIT_S32_LE, /* Only supports 24-bit samples padded to 32 bits. */
- .rates = SNDRV_PCM_RATE_192000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_48000 ,
- .rate_min = 48000,
+ .rates = SNDRV_PCM_RATE_192000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100,
+ .rate_min = 44100,
.rate_max = 192000,
.channels_min = 8,
.channels_max = 8,
- .buffer_bytes_max = (32*1024),
+ .buffer_bytes_max = ((65536 - 64) * 8),
.period_bytes_min = 64,
- .period_bytes_max = (16*1024),
+ .period_bytes_max = (65536 - 64),
.periods_min = 2,
.periods_max = 8,
.fifo_size = 0,
};
+static snd_pcm_hardware_t snd_p16v_capture_hw = {
+ .info = (SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER |
+ SNDRV_PCM_INFO_MMAP_VALID),
+ .formats = SNDRV_PCM_FMTBIT_S32_LE,
+ .rates = SNDRV_PCM_RATE_192000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100,
+ .rate_min = 44100,
+ .rate_max = 192000,
+ .channels_min = 2,
+ .channels_max = 2,
+ .buffer_bytes_max = (65536 - 64),
+ .period_bytes_min = 64,
+ .period_bytes_max = (65536 - 128) >> 1, /* size has to be N*64 bytes */
+ .periods_min = 2,
+ .periods_max = 2,
+ .fifo_size = 0,
+};
+
static void snd_p16v_pcm_free_substream(snd_pcm_runtime_t *runtime)
{
- snd_pcm_t *epcm = runtime->private_data;
+ emu10k1_pcm_t *epcm = runtime->private_data;
if (epcm) {
//snd_printk("epcm free: %p\n", epcm);
@@ -178,15 +205,63 @@ static int snd_p16v_pcm_open_playback_channel(snd_pcm_substream_t *substream, in
return 0;
}
+/* open_capture callback */
+static int snd_p16v_pcm_open_capture_channel(snd_pcm_substream_t *substream, int channel_id)
+{
+ emu10k1_t *emu = snd_pcm_substream_chip(substream);
+ emu10k1_voice_t *channel = &(emu->p16v_capture_voice);
+ emu10k1_pcm_t *epcm;
+ snd_pcm_runtime_t *runtime = substream->runtime;
+ int err;
+
+ epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
+ //snd_printk("epcm kcalloc: %p\n", epcm);
+
+ if (epcm == NULL)
+ return -ENOMEM;
+ epcm->emu = emu;
+ epcm->substream = substream;
+ //snd_printk("epcm device=%d, channel_id=%d\n", substream->pcm->device, channel_id);
+
+ runtime->private_data = epcm;
+ runtime->private_free = snd_p16v_pcm_free_substream;
+
+ runtime->hw = snd_p16v_capture_hw;
+
+ channel->emu = emu;
+ channel->number = channel_id;
+
+ channel->use=1;
+ //snd_printk("p16v: open channel_id=%d, channel=%p, use=0x%x\n", channel_id, channel, channel->use);
+ //printk("open:channel_id=%d, chip=%p, channel=%p\n",channel_id, chip, channel);
+ //channel->interrupt = snd_p16v_pcm_channel_interrupt;
+ channel->epcm=epcm;
+ if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
+ return err;
+
+ return 0;
+}
+
/* close callback */
static int snd_p16v_pcm_close_playback(snd_pcm_substream_t *substream)
{
emu10k1_t *emu = snd_pcm_substream_chip(substream);
//snd_pcm_runtime_t *runtime = substream->runtime;
- //emu10k1_pcm_t *epcm = runtime->private_data;
- emu->p16v_voices[substream->pcm->device - emu->p16v_device_offset].use=0;
-/* FIXME: maybe zero others */
+ //emu10k1_pcm_t *epcm = runtime->private_data;
+ emu->p16v_voices[substream->pcm->device - emu->p16v_device_offset].use=0;
+ /* FIXME: maybe zero others */
+ return 0;
+}
+
+/* close callback */
+static int snd_p16v_pcm_close_capture(snd_pcm_substream_t *substream)
+{
+ emu10k1_t *emu = snd_pcm_substream_chip(substream);
+ //snd_pcm_runtime_t *runtime = substream->runtime;
+ //emu10k1_pcm_t *epcm = runtime->private_data;
+ emu->p16v_capture_voice.use=0;
+ /* FIXME: maybe zero others */
return 0;
}
@@ -195,36 +270,55 @@ static int snd_p16v_pcm_open_playback_front(snd_pcm_substream_t *substream)
return snd_p16v_pcm_open_playback_channel(substream, PCM_FRONT_CHANNEL);
}
+static int snd_p16v_pcm_open_capture(snd_pcm_substream_t *substream)
+{
+ // Only using channel 0 for now, but the card has 2 channels.
+ return snd_p16v_pcm_open_capture_channel(substream, 0);
+}
+
/* hw_params callback */
static int snd_p16v_pcm_hw_params_playback(snd_pcm_substream_t *substream,
snd_pcm_hw_params_t * hw_params)
{
int result;
- //snd_printk("hw_params alloc: substream=%p\n", substream);
result = snd_pcm_lib_malloc_pages(substream,
params_buffer_bytes(hw_params));
- //snd_printk("hw_params alloc: result=%d\n", result);
- //dump_stack();
return result;
}
+/* hw_params callback */
+static int snd_p16v_pcm_hw_params_capture(snd_pcm_substream_t *substream,
+ snd_pcm_hw_params_t * hw_params)
+{
+ int result;
+ result = snd_pcm_lib_malloc_pages(substream,
+ params_buffer_bytes(hw_params));
+ return result;
+}
+
+
/* hw_free callback */
static int snd_p16v_pcm_hw_free_playback(snd_pcm_substream_t *substream)
{
int result;
- //snd_printk("hw_params free: substream=%p\n", substream);
result = snd_pcm_lib_free_pages(substream);
- //snd_printk("hw_params free: result=%d\n", result);
- //dump_stack();
return result;
}
+/* hw_free callback */
+static int snd_p16v_pcm_hw_free_capture(snd_pcm_substream_t *substream)
+{
+ int result;
+ result = snd_pcm_lib_free_pages(substream);
+ return result;
+}
+
+
/* prepare playback callback */
static int snd_p16v_pcm_prepare_playback(snd_pcm_substream_t *substream)
{
emu10k1_t *emu = snd_pcm_substream_chip(substream);
snd_pcm_runtime_t *runtime = substream->runtime;
- //emu10k1_pcm_t *epcm = runtime->private_data;
int channel = substream->pcm->device - emu->p16v_device_offset;
u32 *table_base = (u32 *)(emu->p16v_buffer.area+(8*16*channel));
u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size);
@@ -237,23 +331,21 @@ static int snd_p16v_pcm_prepare_playback(snd_pcm_substream_t *substream)
tmp = snd_emu10k1_ptr_read(emu, A_SPDIF_SAMPLERATE, channel);
switch (runtime->rate) {
case 44100:
- snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe000) | 0x8000); /* FIXME: This will change the capture rate as well! */
- break;
- case 48000:
- snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe000) | 0x0000); /* FIXME: This will change the capture rate as well! */
+ snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe0e0) | 0x8080);
break;
case 96000:
- snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe000) | 0x4000); /* FIXME: This will change the capture rate as well! */
+ snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe0e0) | 0x4040);
break;
case 192000:
- snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe000) | 0x2000); /* FIXME: This will change the capture rate as well! */
+ snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe0e0) | 0x2020);
break;
+ case 48000:
default:
- snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, 0x0000); /* FIXME: This will change the capture rate as well! */
+ snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe0e0) | 0x0000);
break;
}
/* FIXME: Check emu->buffer.size before actually writing to it. */
- for(i=0; i < runtime->periods; i++) {
+ for(i=0; i < runtime->periods; i++) {
table_base[i*2]=runtime->dma_addr+(i*period_size_bytes);
table_base[(i*2)+1]=period_size_bytes<<16;
}
@@ -262,7 +354,8 @@ static int snd_p16v_pcm_prepare_playback(snd_pcm_substream_t *substream)
snd_emu10k1_ptr20_write(emu, PLAYBACK_LIST_SIZE, channel, (runtime->periods - 1) << 19);
snd_emu10k1_ptr20_write(emu, PLAYBACK_LIST_PTR, channel, 0);
snd_emu10k1_ptr20_write(emu, PLAYBACK_DMA_ADDR, channel, runtime->dma_addr);
- snd_emu10k1_ptr20_write(emu, PLAYBACK_PERIOD_SIZE, channel, frames_to_bytes(runtime, runtime->period_size)<<16); // buffer size in bytes
+ //snd_emu10k1_ptr20_write(emu, PLAYBACK_PERIOD_SIZE, channel, frames_to_bytes(runtime, runtime->period_size)<<16); // buffer size in bytes
+ snd_emu10k1_ptr20_write(emu, PLAYBACK_PERIOD_SIZE, channel, 0); // buffer size in bytes
snd_emu10k1_ptr20_write(emu, PLAYBACK_POINTER, channel, 0);
snd_emu10k1_ptr20_write(emu, 0x07, channel, 0x0);
snd_emu10k1_ptr20_write(emu, 0x08, channel, 0);
@@ -270,6 +363,41 @@ static int snd_p16v_pcm_prepare_playback(snd_pcm_substream_t *substream)
return 0;
}
+/* prepare capture callback */
+static int snd_p16v_pcm_prepare_capture(snd_pcm_substream_t *substream)
+{
+ emu10k1_t *emu = snd_pcm_substream_chip(substream);
+ snd_pcm_runtime_t *runtime = substream->runtime;
+ int channel = substream->pcm->device - emu->p16v_device_offset;
+ u32 tmp;
+ //printk("prepare capture:channel_number=%d, rate=%d, format=0x%x, channels=%d, buffer_size=%ld, period_size=%ld, frames_to_bytes=%d\n",channel, runtime->rate, runtime->format, runtime->channels, runtime->buffer_size, runtime->period_size, frames_to_bytes(runtime, 1));
+ tmp = snd_emu10k1_ptr_read(emu, A_SPDIF_SAMPLERATE, channel);
+ switch (runtime->rate) {
+ case 44100:
+ snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0x0e00) | 0x0800);
+ break;
+ case 96000:
+ snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0x0e00) | 0x0400);
+ break;
+ case 192000:
+ snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0x0e00) | 0x0200);
+ break;
+ case 48000:
+ default:
+ snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0x0e00) | 0x0000);
+ break;
+ }
+ /* FIXME: Check emu->buffer.size before actually writing to it. */
+ snd_emu10k1_ptr20_write(emu, 0x13, channel, 0);
+ snd_emu10k1_ptr20_write(emu, CAPTURE_DMA_ADDR, channel, runtime->dma_addr);
+ snd_emu10k1_ptr20_write(emu, CAPTURE_BUFFER_SIZE, channel, frames_to_bytes(runtime, runtime->buffer_size)<<16); // buffer size in bytes
+ snd_emu10k1_ptr20_write(emu, CAPTURE_POINTER, channel, 0);
+ //snd_emu10k1_ptr20_write(emu, CAPTURE_SOURCE, 0x0, 0x333300e4); /* Select MIC or Line in */
+ //snd_emu10k1_ptr20_write(emu, EXTENDED_INT_MASK, 0, snd_emu10k1_ptr20_read(emu, EXTENDED_INT_MASK, 0) | (0x110000<<channel));
+
+ return 0;
+}
+
static void snd_p16v_intr_enable(emu10k1_t *emu, unsigned int intrenb)
{
unsigned long flags;
@@ -345,6 +473,36 @@ static int snd_p16v_pcm_trigger_playback(snd_pcm_substream_t *substream,
return result;
}
+/* trigger_capture callback */
+static int snd_p16v_pcm_trigger_capture(snd_pcm_substream_t *substream,
+ int cmd)
+{
+ emu10k1_t *emu = snd_pcm_substream_chip(substream);
+ snd_pcm_runtime_t *runtime = substream->runtime;
+ emu10k1_pcm_t *epcm = runtime->private_data;
+ int channel = 0;
+ int result = 0;
+ u32 inte = INTE2_CAPTURE_CH_0_LOOP | INTE2_CAPTURE_CH_0_HALF_LOOP;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ snd_p16v_intr_enable(emu, inte);
+ snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0)|(0x100<<channel));
+ epcm->running = 1;
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0) & ~(0x100<<channel));
+ snd_p16v_intr_disable(emu, inte);
+ //snd_emu10k1_ptr20_write(emu, EXTENDED_INT_MASK, 0, snd_emu10k1_ptr20_read(emu, EXTENDED_INT_MASK, 0) & ~(0x110000<<channel));
+ epcm->running = 0;
+ break;
+ default:
+ result = -EINVAL;
+ break;
+ }
+ return result;
+}
+
/* pointer_playback callback */
static snd_pcm_uframes_t
snd_p16v_pcm_pointer_playback(snd_pcm_substream_t *substream)
@@ -370,6 +528,31 @@ snd_p16v_pcm_pointer_playback(snd_pcm_substream_t *substream)
return ptr;
}
+/* pointer_capture callback */
+static snd_pcm_uframes_t
+snd_p16v_pcm_pointer_capture(snd_pcm_substream_t *substream)
+{
+ emu10k1_t *emu = snd_pcm_substream_chip(substream);
+ snd_pcm_runtime_t *runtime = substream->runtime;
+ emu10k1_pcm_t *epcm = runtime->private_data;
+ snd_pcm_uframes_t ptr, ptr1, ptr2 = 0;
+ int channel = 0;
+
+ if (!epcm->running)
+ return 0;
+
+ ptr1 = snd_emu10k1_ptr20_read(emu, CAPTURE_POINTER, channel);
+ ptr2 = bytes_to_frames(runtime, ptr1);
+ ptr=ptr2;
+ if (ptr >= runtime->buffer_size) {
+ ptr -= runtime->buffer_size;
+ printk("buffer capture limited!\n");
+ }
+ //printk("ptr1 = 0x%lx, ptr2=0x%lx, ptr=0x%lx, buffer_size = 0x%x, period_size = 0x%x, bits=%d, rate=%d\n", ptr1, ptr2, ptr, (int)runtime->buffer_size, (int)runtime->period_size, (int)runtime->frame_bits, (int)runtime->rate);
+
+ return ptr;
+}
+
/* operators */
static snd_pcm_ops_t snd_p16v_playback_front_ops = {
.open = snd_p16v_pcm_open_playback_front,
@@ -382,6 +565,18 @@ static snd_pcm_ops_t snd_p16v_playback_front_ops = {
.pointer = snd_p16v_pcm_pointer_playback,
};
+static snd_pcm_ops_t snd_p16v_capture_ops = {
+ .open = snd_p16v_pcm_open_capture,
+ .close = snd_p16v_pcm_close_capture,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = snd_p16v_pcm_hw_params_capture,
+ .hw_free = snd_p16v_pcm_hw_free_capture,
+ .prepare = snd_p16v_pcm_prepare_capture,
+ .trigger = snd_p16v_pcm_trigger_capture,
+ .pointer = snd_p16v_pcm_pointer_capture,
+};
+
+
int snd_p16v_free(emu10k1_t *chip)
{
// release the data
@@ -405,20 +600,22 @@ int snd_p16v_pcm(emu10k1_t *emu, int device, snd_pcm_t **rpcm)
snd_pcm_t *pcm;
snd_pcm_substream_t *substream;
int err;
- int capture=0;
+ int capture=1;
//snd_printk("snd_p16v_pcm called. device=%d\n", device);
emu->p16v_device_offset = device;
if (rpcm)
*rpcm = NULL;
- //if (device == 0) capture=1;
+
if ((err = snd_pcm_new(emu->card, "p16v", device, 1, capture, &pcm)) < 0)
return err;
pcm->private_data = emu;
pcm->private_free = snd_p16v_pcm_free;
-
+ // Single playback 8 channel device.
+ // Single capture 2 channel device.
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_p16v_playback_front_ops);
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_p16v_capture_ops);
pcm->info_flags = 0;
pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
@@ -431,7 +628,7 @@ int snd_p16v_pcm(emu10k1_t *emu, int device, snd_pcm_t **rpcm)
if ((err = snd_pcm_lib_preallocate_pages(substream,
SNDRV_DMA_TYPE_DEV,
snd_dma_pci_data(emu->pci),
- 64*1024, 64*1024)) < 0) /* FIXME: 32*1024 for sound buffer, between 32and64 for Periods table. */
+ ((65536 - 64) * 8), ((65536 - 64) * 8))) < 0)
return err;
//snd_printk("preallocate playback substream: err=%d\n", err);
}
@@ -442,7 +639,7 @@ int snd_p16v_pcm(emu10k1_t *emu, int device, snd_pcm_t **rpcm)
if ((err = snd_pcm_lib_preallocate_pages(substream,
SNDRV_DMA_TYPE_DEV,
snd_dma_pci_data(emu->pci),
- 64*1024, 64*1024)) < 0)
+ 65536 - 64, 65536 - 64)) < 0)
return err;
//snd_printk("preallocate capture substream: err=%d\n", err);
}
@@ -694,6 +891,106 @@ static snd_kcontrol_new_t snd_p16v_volume_control_spdif_rear =
.put = snd_p16v_volume_put_spdif_rear
};
+static int snd_p16v_capture_source_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+{
+ static char *texts[8] = { "SPDIF", "I2S", "SRC48", "SRCMulti_SPDIF", "SRCMulti_I2S", "CDIF", "FX", "AC97" };
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = 1;
+ uinfo->value.enumerated.items = 8;
+ if (uinfo->value.enumerated.item > 7)
+ uinfo->value.enumerated.item = 7;
+ strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
+ return 0;
+}
+
+static int snd_p16v_capture_source_get(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.enumerated.item[0] = emu->p16v_capture_source;
+ return 0;
+}
+
+static int snd_p16v_capture_source_put(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
+ unsigned int val;
+ int change = 0;
+ u32 mask;
+ u32 source;
+
+ val = ucontrol->value.enumerated.item[0] ;
+ change = (emu->p16v_capture_source != val);
+ if (change) {
+ emu->p16v_capture_source = val;
+ source = (val << 28) | (val << 24) | (val << 20) | (val << 16);
+ mask = snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0) & 0xffff;
+ snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, source | mask);
+ }
+ return change;
+}
+
+static snd_kcontrol_new_t snd_p16v_capture_source __devinitdata =
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "HD Capture source",
+ .info = snd_p16v_capture_source_info,
+ .get = snd_p16v_capture_source_get,
+ .put = snd_p16v_capture_source_put
+};
+
+static int snd_p16v_capture_channel_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+{
+ static char *texts[4] = { "0", "1", "2", "3", };
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = 1;
+ uinfo->value.enumerated.items = 4;
+ if (uinfo->value.enumerated.item > 3)
+ uinfo->value.enumerated.item = 3;
+ strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
+ return 0;
+}
+
+static int snd_p16v_capture_channel_get(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.enumerated.item[0] = emu->p16v_capture_channel;
+ return 0;
+}
+
+static int snd_p16v_capture_channel_put(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
+ unsigned int val;
+ int change = 0;
+ u32 tmp;
+
+ val = ucontrol->value.enumerated.item[0] ;
+ change = (emu->p16v_capture_channel != val);
+ if (change) {
+ emu->p16v_capture_channel = val;
+ tmp = snd_emu10k1_ptr20_read(emu, CAPTURE_P16V_SOURCE, 0) & 0xfffc;
+ snd_emu10k1_ptr20_write(emu, CAPTURE_P16V_SOURCE, 0, tmp | val);
+ }
+ return change;
+}
+
+static snd_kcontrol_new_t snd_p16v_capture_channel __devinitdata =
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "HD Capture channel",
+ .info = snd_p16v_capture_channel_info,
+ .get = snd_p16v_capture_channel_get,
+ .put = snd_p16v_capture_channel_put
+};
+
int snd_p16v_mixer(emu10k1_t *emu)
{
int err;
@@ -731,6 +1028,14 @@ int snd_p16v_mixer(emu10k1_t *emu)
return -ENOMEM;
if ((err = snd_ctl_add(card, kctl)))
return err;
+ if ((kctl = snd_ctl_new1(&snd_p16v_capture_source, emu)) == NULL)
+ return -ENOMEM;
+ if ((err = snd_ctl_add(card, kctl)))
+ return err;
+ if ((kctl = snd_ctl_new1(&snd_p16v_capture_channel, emu)) == NULL)
+ return -ENOMEM;
+ if ((err = snd_ctl_add(card, kctl)))
+ return err;
return 0;
}