#include <linux/slab.h>
#include <linux/time.h>
#include <linux/wait.h>
+#include <linux/moduleparam.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/pcm.h>
#include <sound/rawmidi.h>
-#define SNDRV_GET_ID
#include <sound/initval.h>
MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
MODULE_DESCRIPTION("Dummy soundcard (/dev/null)");
MODULE_LICENSE("GPL");
-MODULE_CLASSES("{sound}");
-MODULE_DEVICES("{{ALSA,Dummy soundcard}}");
+MODULE_SUPPORTED_DEVICE("{{ALSA,Dummy soundcard}}");
#define MAX_PCM_DEVICES 4
#define MAX_PCM_SUBSTREAMS 16
static int pcm_devs[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
static int pcm_substreams[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 8};
//static int midi_devs[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
+static int boot_devs;
-MODULE_PARM(index, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
+module_param_array(index, int, boot_devs, 0444);
MODULE_PARM_DESC(index, "Index value for dummy soundcard.");
-MODULE_PARM_SYNTAX(index, SNDRV_INDEX_DESC);
-MODULE_PARM(id, "1-" __MODULE_STRING(SNDRV_CARDS) "s");
+module_param_array(id, charp, boot_devs, 0444);
MODULE_PARM_DESC(id, "ID string for dummy soundcard.");
-MODULE_PARM_SYNTAX(id, SNDRV_ID_DESC);
-MODULE_PARM(enable, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
+module_param_array(enable, bool, boot_devs, 0444);
MODULE_PARM_DESC(enable, "Enable this dummy soundcard.");
-MODULE_PARM_SYNTAX(enable, SNDRV_ENABLE_DESC);
-MODULE_PARM(pcm_devs, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
+module_param_array(pcm_devs, int, boot_devs, 0444);
MODULE_PARM_DESC(pcm_devs, "PCM devices # (0-4) for dummy driver.");
-MODULE_PARM_SYNTAX(pcm_devs, SNDRV_ENABLED ",allows:{{0,4}},default:1,dialog:list");
-MODULE_PARM(pcm_substreams, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
+module_param_array(pcm_substreams, int, boot_devs, 0444);
MODULE_PARM_DESC(pcm_substreams, "PCM substreams # (1-16) for dummy driver.");
-MODULE_PARM_SYNTAX(pcm_substreams, SNDRV_ENABLED ",allows:{{1,16}},default:8,dialog:list");
-//MODULE_PARM(midi_devs, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
+//module_param_array(midi_devs, int, boot_devs, 0444);
//MODULE_PARM_DESC(midi_devs, "MIDI devices # (0-2) for dummy driver.");
-//MODULE_PARM_SYNTAX(midi_devs, SNDRV_ENABLED ",allows:{{0,2}},default:8,dialog:list");
#define MIXER_ADDR_MASTER 0
#define MIXER_ADDR_LINE 1
static snd_card_t *snd_dummy_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
-static int snd_card_dummy_playback_ioctl(snd_pcm_substream_t * substream,
- unsigned int cmd,
- void *arg)
-{
- return snd_pcm_lib_ioctl(substream, cmd, arg);
-}
-
-static int snd_card_dummy_capture_ioctl(snd_pcm_substream_t * substream,
- unsigned int cmd,
- void *arg)
-{
- return snd_pcm_lib_ioctl(substream, cmd, arg);
-}
-
static void snd_card_dummy_pcm_timer_start(snd_pcm_substream_t * substream)
{
snd_pcm_runtime_t *runtime = substream->runtime;
- snd_card_dummy_pcm_t *dpcm = snd_magic_cast(snd_card_dummy_pcm_t, runtime->private_data, return);
+ snd_card_dummy_pcm_t *dpcm = runtime->private_data;
dpcm->timer.expires = 1 + jiffies;
add_timer(&dpcm->timer);
static void snd_card_dummy_pcm_timer_stop(snd_pcm_substream_t * substream)
{
snd_pcm_runtime_t *runtime = substream->runtime;
- snd_card_dummy_pcm_t *dpcm = snd_magic_cast(snd_card_dummy_pcm_t, runtime->private_data, return);
+ snd_card_dummy_pcm_t *dpcm = runtime->private_data;
del_timer(&dpcm->timer);
}
static int snd_card_dummy_pcm_prepare(snd_pcm_substream_t * substream)
{
snd_pcm_runtime_t *runtime = substream->runtime;
- snd_card_dummy_pcm_t *dpcm = snd_magic_cast(snd_card_dummy_pcm_t, runtime->private_data, return -ENXIO);
+ snd_card_dummy_pcm_t *dpcm = runtime->private_data;
unsigned int bps;
bps = runtime->rate * runtime->channels;
static void snd_card_dummy_pcm_timer_function(unsigned long data)
{
- snd_card_dummy_pcm_t *dpcm = snd_magic_cast(snd_card_dummy_pcm_t, (void *)data, return);
+ snd_card_dummy_pcm_t *dpcm = (snd_card_dummy_pcm_t *)data;
dpcm->timer.expires = 1 + jiffies;
add_timer(&dpcm->timer);
static snd_pcm_uframes_t snd_card_dummy_playback_pointer(snd_pcm_substream_t * substream)
{
snd_pcm_runtime_t *runtime = substream->runtime;
- snd_card_dummy_pcm_t *dpcm = snd_magic_cast(snd_card_dummy_pcm_t, runtime->private_data, return -ENXIO);
+ snd_card_dummy_pcm_t *dpcm = runtime->private_data;
return bytes_to_frames(runtime, dpcm->pcm_buf_pos);
}
static snd_pcm_uframes_t snd_card_dummy_capture_pointer(snd_pcm_substream_t * substream)
{
snd_pcm_runtime_t *runtime = substream->runtime;
- snd_card_dummy_pcm_t *dpcm = snd_magic_cast(snd_card_dummy_pcm_t, runtime->private_data, return -ENXIO);
+ snd_card_dummy_pcm_t *dpcm = runtime->private_data;
return bytes_to_frames(runtime, dpcm->pcm_buf_pos);
}
static void snd_card_dummy_runtime_free(snd_pcm_runtime_t *runtime)
{
- snd_card_dummy_pcm_t *dpcm = snd_magic_cast(snd_card_dummy_pcm_t, runtime->private_data, return);
- snd_magic_kfree(dpcm);
+ snd_card_dummy_pcm_t *dpcm = runtime->private_data;
+ kfree(dpcm);
+}
+
+static int snd_card_dummy_hw_params(snd_pcm_substream_t * substream,
+ snd_pcm_hw_params_t * hw_params)
+{
+ return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
+}
+
+static int snd_card_dummy_hw_free(snd_pcm_substream_t * substream)
+{
+ return snd_pcm_lib_free_pages(substream);
}
static int snd_card_dummy_playback_open(snd_pcm_substream_t * substream)
snd_card_dummy_pcm_t *dpcm;
int err;
- dpcm = snd_magic_kcalloc(snd_card_dummy_pcm_t, 0, GFP_KERNEL);
+ dpcm = kcalloc(1, sizeof(*dpcm), GFP_KERNEL);
if (dpcm == NULL)
return -ENOMEM;
- if ((runtime->dma_area = snd_malloc_pages_fallback(MAX_BUFFER_SIZE, GFP_KERNEL, &runtime->dma_bytes)) == NULL) {
- snd_magic_kfree(dpcm);
- return -ENOMEM;
- }
init_timer(&dpcm->timer);
dpcm->timer.data = (unsigned long) dpcm;
dpcm->timer.function = snd_card_dummy_pcm_timer_function;
if (substream->pcm->device & 2)
runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP|SNDRV_PCM_INFO_MMAP_VALID);
if ((err = add_playback_constraints(runtime)) < 0) {
- snd_magic_kfree(dpcm);
+ kfree(dpcm);
return err;
}
snd_card_dummy_pcm_t *dpcm;
int err;
- dpcm = snd_magic_kcalloc(snd_card_dummy_pcm_t, 0, GFP_KERNEL);
+ dpcm = kcalloc(1, sizeof(*dpcm), GFP_KERNEL);
if (dpcm == NULL)
return -ENOMEM;
- if ((runtime->dma_area = snd_malloc_pages_fallback(MAX_BUFFER_SIZE, GFP_KERNEL, &runtime->dma_bytes)) == NULL) {
- snd_magic_kfree(dpcm);
- return -ENOMEM;
- }
- memset(runtime->dma_area, 0, runtime->dma_bytes);
init_timer(&dpcm->timer);
dpcm->timer.data = (unsigned long) dpcm;
dpcm->timer.function = snd_card_dummy_pcm_timer_function;
if (substream->pcm->device & 2)
runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP|SNDRV_PCM_INFO_MMAP_VALID);
if ((err = add_capture_constraints(runtime)) < 0) {
- snd_magic_kfree(dpcm);
+ kfree(dpcm);
return err;
}
static int snd_card_dummy_playback_close(snd_pcm_substream_t * substream)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
-
- snd_free_pages(runtime->dma_area, runtime->dma_bytes);
return 0;
}
static int snd_card_dummy_capture_close(snd_pcm_substream_t * substream)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
-
- snd_free_pages(runtime->dma_area, runtime->dma_bytes);
return 0;
}
static snd_pcm_ops_t snd_card_dummy_playback_ops = {
.open = snd_card_dummy_playback_open,
.close = snd_card_dummy_playback_close,
- .ioctl = snd_card_dummy_playback_ioctl,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = snd_card_dummy_hw_params,
+ .hw_free = snd_card_dummy_hw_free,
.prepare = snd_card_dummy_playback_prepare,
.trigger = snd_card_dummy_playback_trigger,
.pointer = snd_card_dummy_playback_pointer,
static snd_pcm_ops_t snd_card_dummy_capture_ops = {
.open = snd_card_dummy_capture_open,
.close = snd_card_dummy_capture_close,
- .ioctl = snd_card_dummy_capture_ioctl,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = snd_card_dummy_hw_params,
+ .hw_free = snd_card_dummy_hw_free,
.prepare = snd_card_dummy_capture_prepare,
.trigger = snd_card_dummy_capture_trigger,
.pointer = snd_card_dummy_capture_pointer,
pcm->private_data = dummy;
pcm->info_flags = 0;
strcpy(pcm->name, "Dummy PCM");
+ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
+ snd_dma_continuous_data(GFP_KERNEL),
+ 0, 64*1024);
return 0;
}
static int snd_dummy_volume_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
- snd_card_dummy_t *dummy = _snd_kcontrol_chip(kcontrol);
+ snd_card_dummy_t *dummy = snd_kcontrol_chip(kcontrol);
unsigned long flags;
int addr = kcontrol->private_value;
ucontrol->value.integer.value[1] = dummy->mixer_volume[addr][1];
spin_unlock_irqrestore(&dummy->mixer_lock, flags);
return 0;
-}
+}
static int snd_dummy_volume_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
- snd_card_dummy_t *dummy = _snd_kcontrol_chip(kcontrol);
+ snd_card_dummy_t *dummy = snd_kcontrol_chip(kcontrol);
unsigned long flags;
int change, addr = kcontrol->private_value;
int left, right;
dummy->mixer_volume[addr][1] = right;
spin_unlock_irqrestore(&dummy->mixer_lock, flags);
return change;
-}
+}
#define DUMMY_CAPSRC(xname, xindex, addr) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
static int snd_dummy_capsrc_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
- snd_card_dummy_t *dummy = _snd_kcontrol_chip(kcontrol);
+ snd_card_dummy_t *dummy = snd_kcontrol_chip(kcontrol);
unsigned long flags;
int addr = kcontrol->private_value;
static int snd_dummy_capsrc_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
- snd_card_dummy_t *dummy = _snd_kcontrol_chip(kcontrol);
+ snd_card_dummy_t *dummy = snd_kcontrol_chip(kcontrol);
unsigned long flags;
int change, addr = kcontrol->private_value;
int left, right;
dummy->capture_source[addr][1] = right;
spin_unlock_irqrestore(&dummy->mixer_lock, flags);
return change;
-}
-
-#define DUMMY_CONTROLS (sizeof(snd_dummy_controls)/sizeof(snd_kcontrol_new_t))
+}
static snd_kcontrol_new_t snd_dummy_controls[] = {
DUMMY_VOLUME("Master Volume", 0, MIXER_ADDR_MASTER),
spin_lock_init(&dummy->mixer_lock);
strcpy(card->mixername, "Dummy Mixer");
- for (idx = 0; idx < DUMMY_CONTROLS; idx++) {
+ for (idx = 0; idx < ARRAY_SIZE(snd_dummy_controls); idx++) {
if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_dummy_controls[idx], dummy))) < 0)
return err;
}
module_init(alsa_card_dummy_init)
module_exit(alsa_card_dummy_exit)
-
-#ifndef MODULE
-
-/* format is: snd-dummy=enable,index,id,
- pcm_devs,pcm_substreams */
-
-static int __init alsa_card_dummy_setup(char *str)
-{
- static unsigned __initdata nr_dev = 0;
-
- if (nr_dev >= SNDRV_CARDS)
- return 0;
- (void)(get_option(&str,&enable[nr_dev]) == 2 &&
- get_option(&str,&index[nr_dev]) == 2 &&
- get_id(&str,&id[nr_dev]) == 2 &&
- get_option(&str,&pcm_devs[nr_dev]) == 2 &&
- get_option(&str,&pcm_substreams[nr_dev]) == 2);
- nr_dev++;
- return 1;
-}
-
-__setup("snd-dummy=", alsa_card_dummy_setup);
-
-#endif /* ifndef MODULE */
git://git.onelab.eu / linux-2.6.git / blobdiff