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authorJames Courtier-Dutton <James@superbug.co.uk>2005-03-26 19:35:29 +0100
committerJaroslav Kysela <perex@suse.cz>2005-05-29 09:00:24 +0200
commit6e4abc40fc125b1dcc2792eacac17606a4d86043 (patch)
tree4b06290dd6a43d809b8762752166ea9b854b6f5f /sound/pci/emu10k1/p16v.c
parentd05b2817d859a2a2f2c3d5c056b688559fdbcc2b (diff)
downloadlinux-linaro-stable-6e4abc40fc125b1dcc2792eacac17606a4d86043.tar.gz
[ALSA] Adds Capture to P16V chip.
EMU10K1/EMU10K2 driver One can select which capture source, but one cannot yet set volumes. Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
Diffstat (limited to 'sound/pci/emu10k1/p16v.c')
-rw-r--r--sound/pci/emu10k1/p16v.c257
1 files changed, 242 insertions, 15 deletions
diff --git a/sound/pci/emu10k1/p16v.c b/sound/pci/emu10k1/p16v.c
index d03cb2fefc9e..dd6ce9927e10 100644
--- a/sound/pci/emu10k1/p16v.c
+++ b/sound/pci/emu10k1/p16v.c
@@ -132,9 +132,29 @@ static snd_pcm_hardware_t snd_p16v_playback_hw = {
.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_48000,
+ .rate_min = 48000,
+ .rate_max = 48000,
+ .channels_min = 2,
+ .channels_max = 2,
+ .buffer_bytes_max = (32*1024),
+ .period_bytes_min = 64,
+ .period_bytes_max = (16*1024),
+ .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 +198,63 @@ 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 +263,55 @@ 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);
@@ -253,7 +340,7 @@ static int snd_p16v_pcm_prepare_playback(snd_pcm_substream_t *substream)
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;
}
@@ -270,6 +357,23 @@ 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;
+ //printk("prepare: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));
+ 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 +449,36 @@ 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 +504,31 @@ 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 +541,18 @@ 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 +576,22 @@ 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;
@@ -694,6 +867,56 @@ 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
+};
int snd_p16v_mixer(emu10k1_t *emu)
{
int err;
@@ -731,6 +954,10 @@ 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;
return 0;
}