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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/sound/synth/emux/emux_oss.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/sound/synth/emux/emux_oss.c')
-rw-r--r--ANDROID_3.4.5/sound/synth/emux/emux_oss.c517
1 files changed, 0 insertions, 517 deletions
diff --git a/ANDROID_3.4.5/sound/synth/emux/emux_oss.c b/ANDROID_3.4.5/sound/synth/emux/emux_oss.c
deleted file mode 100644
index 319754cf..00000000
--- a/ANDROID_3.4.5/sound/synth/emux/emux_oss.c
+++ /dev/null
@@ -1,517 +0,0 @@
-/*
- * Interface for OSS sequencer emulation
- *
- * Copyright (C) 1999 Takashi Iwai <tiwai@suse.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * Changes
- * 19990227 Steve Ratcliffe Made separate file and merged in latest
- * midi emulation.
- */
-
-
-#ifdef CONFIG_SND_SEQUENCER_OSS
-
-#include <linux/export.h>
-#include <asm/uaccess.h>
-#include <sound/core.h>
-#include "emux_voice.h"
-#include <sound/asoundef.h>
-
-static int snd_emux_open_seq_oss(struct snd_seq_oss_arg *arg, void *closure);
-static int snd_emux_close_seq_oss(struct snd_seq_oss_arg *arg);
-static int snd_emux_ioctl_seq_oss(struct snd_seq_oss_arg *arg, unsigned int cmd,
- unsigned long ioarg);
-static int snd_emux_load_patch_seq_oss(struct snd_seq_oss_arg *arg, int format,
- const char __user *buf, int offs, int count);
-static int snd_emux_reset_seq_oss(struct snd_seq_oss_arg *arg);
-static int snd_emux_event_oss_input(struct snd_seq_event *ev, int direct,
- void *private, int atomic, int hop);
-static void reset_port_mode(struct snd_emux_port *port, int midi_mode);
-static void emuspec_control(struct snd_emux *emu, struct snd_emux_port *port,
- int cmd, unsigned char *event, int atomic, int hop);
-static void gusspec_control(struct snd_emux *emu, struct snd_emux_port *port,
- int cmd, unsigned char *event, int atomic, int hop);
-static void fake_event(struct snd_emux *emu, struct snd_emux_port *port,
- int ch, int param, int val, int atomic, int hop);
-
-/* operators */
-static struct snd_seq_oss_callback oss_callback = {
- .owner = THIS_MODULE,
- .open = snd_emux_open_seq_oss,
- .close = snd_emux_close_seq_oss,
- .ioctl = snd_emux_ioctl_seq_oss,
- .load_patch = snd_emux_load_patch_seq_oss,
- .reset = snd_emux_reset_seq_oss,
-};
-
-
-/*
- * register OSS synth
- */
-
-void
-snd_emux_init_seq_oss(struct snd_emux *emu)
-{
- struct snd_seq_oss_reg *arg;
- struct snd_seq_device *dev;
-
- if (snd_seq_device_new(emu->card, 0, SNDRV_SEQ_DEV_ID_OSS,
- sizeof(struct snd_seq_oss_reg), &dev) < 0)
- return;
-
- emu->oss_synth = dev;
- strcpy(dev->name, emu->name);
- arg = SNDRV_SEQ_DEVICE_ARGPTR(dev);
- arg->type = SYNTH_TYPE_SAMPLE;
- arg->subtype = SAMPLE_TYPE_AWE32;
- arg->nvoices = emu->max_voices;
- arg->oper = oss_callback;
- arg->private_data = emu;
-
- /* register to OSS synth table */
- snd_device_register(emu->card, dev);
-}
-
-
-/*
- * unregister
- */
-void
-snd_emux_detach_seq_oss(struct snd_emux *emu)
-{
- if (emu->oss_synth) {
- snd_device_free(emu->card, emu->oss_synth);
- emu->oss_synth = NULL;
- }
-}
-
-
-/* use port number as a unique soundfont client number */
-#define SF_CLIENT_NO(p) ((p) + 0x1000)
-
-/*
- * open port for OSS sequencer
- */
-static int
-snd_emux_open_seq_oss(struct snd_seq_oss_arg *arg, void *closure)
-{
- struct snd_emux *emu;
- struct snd_emux_port *p;
- struct snd_seq_port_callback callback;
- char tmpname[64];
-
- emu = closure;
- if (snd_BUG_ON(!arg || !emu))
- return -ENXIO;
-
- mutex_lock(&emu->register_mutex);
-
- if (!snd_emux_inc_count(emu)) {
- mutex_unlock(&emu->register_mutex);
- return -EFAULT;
- }
-
- memset(&callback, 0, sizeof(callback));
- callback.owner = THIS_MODULE;
- callback.event_input = snd_emux_event_oss_input;
-
- sprintf(tmpname, "%s OSS Port", emu->name);
- p = snd_emux_create_port(emu, tmpname, 32,
- 1, &callback);
- if (p == NULL) {
- snd_printk(KERN_ERR "can't create port\n");
- snd_emux_dec_count(emu);
- mutex_unlock(&emu->register_mutex);
- return -ENOMEM;
- }
-
- /* fill the argument data */
- arg->private_data = p;
- arg->addr.client = p->chset.client;
- arg->addr.port = p->chset.port;
- p->oss_arg = arg;
-
- reset_port_mode(p, arg->seq_mode);
-
- snd_emux_reset_port(p);
-
- mutex_unlock(&emu->register_mutex);
- return 0;
-}
-
-
-#define DEFAULT_DRUM_FLAGS ((1<<9) | (1<<25))
-
-/*
- * reset port mode
- */
-static void
-reset_port_mode(struct snd_emux_port *port, int midi_mode)
-{
- if (midi_mode) {
- port->port_mode = SNDRV_EMUX_PORT_MODE_OSS_MIDI;
- port->drum_flags = DEFAULT_DRUM_FLAGS;
- port->volume_atten = 0;
- port->oss_arg->event_passing = SNDRV_SEQ_OSS_PROCESS_KEYPRESS;
- } else {
- port->port_mode = SNDRV_EMUX_PORT_MODE_OSS_SYNTH;
- port->drum_flags = 0;
- port->volume_atten = 32;
- port->oss_arg->event_passing = SNDRV_SEQ_OSS_PROCESS_EVENTS;
- }
-}
-
-
-/*
- * close port
- */
-static int
-snd_emux_close_seq_oss(struct snd_seq_oss_arg *arg)
-{
- struct snd_emux *emu;
- struct snd_emux_port *p;
-
- if (snd_BUG_ON(!arg))
- return -ENXIO;
- p = arg->private_data;
- if (snd_BUG_ON(!p))
- return -ENXIO;
-
- emu = p->emu;
- if (snd_BUG_ON(!emu))
- return -ENXIO;
-
- mutex_lock(&emu->register_mutex);
- snd_emux_sounds_off_all(p);
- snd_soundfont_close_check(emu->sflist, SF_CLIENT_NO(p->chset.port));
- snd_seq_event_port_detach(p->chset.client, p->chset.port);
- snd_emux_dec_count(emu);
-
- mutex_unlock(&emu->register_mutex);
- return 0;
-}
-
-
-/*
- * load patch
- */
-static int
-snd_emux_load_patch_seq_oss(struct snd_seq_oss_arg *arg, int format,
- const char __user *buf, int offs, int count)
-{
- struct snd_emux *emu;
- struct snd_emux_port *p;
- int rc;
-
- if (snd_BUG_ON(!arg))
- return -ENXIO;
- p = arg->private_data;
- if (snd_BUG_ON(!p))
- return -ENXIO;
-
- emu = p->emu;
- if (snd_BUG_ON(!emu))
- return -ENXIO;
-
- if (format == GUS_PATCH)
- rc = snd_soundfont_load_guspatch(emu->sflist, buf, count,
- SF_CLIENT_NO(p->chset.port));
- else if (format == SNDRV_OSS_SOUNDFONT_PATCH) {
- struct soundfont_patch_info patch;
- if (count < (int)sizeof(patch))
- rc = -EINVAL;
- if (copy_from_user(&patch, buf, sizeof(patch)))
- rc = -EFAULT;
- if (patch.type >= SNDRV_SFNT_LOAD_INFO &&
- patch.type <= SNDRV_SFNT_PROBE_DATA)
- rc = snd_soundfont_load(emu->sflist, buf, count, SF_CLIENT_NO(p->chset.port));
- else {
- if (emu->ops.load_fx)
- rc = emu->ops.load_fx(emu, patch.type, patch.optarg, buf, count);
- else
- rc = -EINVAL;
- }
- } else
- rc = 0;
- return rc;
-}
-
-
-/*
- * ioctl
- */
-static int
-snd_emux_ioctl_seq_oss(struct snd_seq_oss_arg *arg, unsigned int cmd, unsigned long ioarg)
-{
- struct snd_emux_port *p;
- struct snd_emux *emu;
-
- if (snd_BUG_ON(!arg))
- return -ENXIO;
- p = arg->private_data;
- if (snd_BUG_ON(!p))
- return -ENXIO;
-
- emu = p->emu;
- if (snd_BUG_ON(!emu))
- return -ENXIO;
-
- switch (cmd) {
- case SNDCTL_SEQ_RESETSAMPLES:
- snd_soundfont_remove_samples(emu->sflist);
- return 0;
-
- case SNDCTL_SYNTH_MEMAVL:
- if (emu->memhdr)
- return snd_util_mem_avail(emu->memhdr);
- return 0;
- }
-
- return 0;
-}
-
-
-/*
- * reset device
- */
-static int
-snd_emux_reset_seq_oss(struct snd_seq_oss_arg *arg)
-{
- struct snd_emux_port *p;
-
- if (snd_BUG_ON(!arg))
- return -ENXIO;
- p = arg->private_data;
- if (snd_BUG_ON(!p))
- return -ENXIO;
- snd_emux_reset_port(p);
- return 0;
-}
-
-
-/*
- * receive raw events: only SEQ_PRIVATE is accepted.
- */
-static int
-snd_emux_event_oss_input(struct snd_seq_event *ev, int direct, void *private_data,
- int atomic, int hop)
-{
- struct snd_emux *emu;
- struct snd_emux_port *p;
- unsigned char cmd, *data;
-
- p = private_data;
- if (snd_BUG_ON(!p))
- return -EINVAL;
- emu = p->emu;
- if (snd_BUG_ON(!emu))
- return -EINVAL;
- if (ev->type != SNDRV_SEQ_EVENT_OSS)
- return snd_emux_event_input(ev, direct, private_data, atomic, hop);
-
- data = ev->data.raw8.d;
- /* only SEQ_PRIVATE is accepted */
- if (data[0] != 0xfe)
- return 0;
- cmd = data[2] & _EMUX_OSS_MODE_VALUE_MASK;
- if (data[2] & _EMUX_OSS_MODE_FLAG)
- emuspec_control(emu, p, cmd, data, atomic, hop);
- else
- gusspec_control(emu, p, cmd, data, atomic, hop);
- return 0;
-}
-
-
-/*
- * OSS/AWE driver specific h/w controls
- */
-static void
-emuspec_control(struct snd_emux *emu, struct snd_emux_port *port, int cmd,
- unsigned char *event, int atomic, int hop)
-{
- int voice;
- unsigned short p1;
- short p2;
- int i;
- struct snd_midi_channel *chan;
-
- voice = event[3];
- if (voice < 0 || voice >= port->chset.max_channels)
- chan = NULL;
- else
- chan = &port->chset.channels[voice];
-
- p1 = *(unsigned short *) &event[4];
- p2 = *(short *) &event[6];
-
- switch (cmd) {
-#if 0 /* don't do this atomically */
- case _EMUX_OSS_REMOVE_LAST_SAMPLES:
- snd_soundfont_remove_unlocked(emu->sflist);
- break;
-#endif
- case _EMUX_OSS_SEND_EFFECT:
- if (chan)
- snd_emux_send_effect_oss(port, chan, p1, p2);
- break;
-
- case _EMUX_OSS_TERMINATE_ALL:
- snd_emux_terminate_all(emu);
- break;
-
- case _EMUX_OSS_TERMINATE_CHANNEL:
- /*snd_emux_mute_channel(emu, chan);*/
- break;
- case _EMUX_OSS_RESET_CHANNEL:
- /*snd_emux_channel_init(chset, chan);*/
- break;
-
- case _EMUX_OSS_RELEASE_ALL:
- fake_event(emu, port, voice, MIDI_CTL_ALL_NOTES_OFF, 0, atomic, hop);
- break;
- case _EMUX_OSS_NOTEOFF_ALL:
- fake_event(emu, port, voice, MIDI_CTL_ALL_SOUNDS_OFF, 0, atomic, hop);
- break;
-
- case _EMUX_OSS_INITIAL_VOLUME:
- if (p2) {
- port->volume_atten = (short)p1;
- snd_emux_update_port(port, SNDRV_EMUX_UPDATE_VOLUME);
- }
- break;
-
- case _EMUX_OSS_CHN_PRESSURE:
- if (chan) {
- chan->midi_pressure = p1;
- snd_emux_update_channel(port, chan, SNDRV_EMUX_UPDATE_FMMOD|SNDRV_EMUX_UPDATE_FM2FRQ2);
- }
- break;
-
- case _EMUX_OSS_CHANNEL_MODE:
- reset_port_mode(port, p1);
- snd_emux_reset_port(port);
- break;
-
- case _EMUX_OSS_DRUM_CHANNELS:
- port->drum_flags = *(unsigned int*)&event[4];
- for (i = 0; i < port->chset.max_channels; i++) {
- chan = &port->chset.channels[i];
- chan->drum_channel = ((port->drum_flags >> i) & 1) ? 1 : 0;
- }
- break;
-
- case _EMUX_OSS_MISC_MODE:
- if (p1 < EMUX_MD_END)
- port->ctrls[p1] = p2;
- break;
- case _EMUX_OSS_DEBUG_MODE:
- break;
-
- default:
- if (emu->ops.oss_ioctl)
- emu->ops.oss_ioctl(emu, cmd, p1, p2);
- break;
- }
-}
-
-/*
- * GUS specific h/w controls
- */
-
-#include <linux/ultrasound.h>
-
-static void
-gusspec_control(struct snd_emux *emu, struct snd_emux_port *port, int cmd,
- unsigned char *event, int atomic, int hop)
-{
- int voice;
- unsigned short p1;
- short p2;
- int plong;
- struct snd_midi_channel *chan;
-
- if (port->port_mode != SNDRV_EMUX_PORT_MODE_OSS_SYNTH)
- return;
- if (cmd == _GUS_NUMVOICES)
- return;
- voice = event[3];
- if (voice < 0 || voice >= port->chset.max_channels)
- return;
-
- chan = &port->chset.channels[voice];
-
- p1 = *(unsigned short *) &event[4];
- p2 = *(short *) &event[6];
- plong = *(int*) &event[4];
-
- switch (cmd) {
- case _GUS_VOICESAMPLE:
- chan->midi_program = p1;
- return;
-
- case _GUS_VOICEBALA:
- /* 0 to 15 --> 0 to 127 */
- chan->control[MIDI_CTL_MSB_PAN] = (int)p1 << 3;
- snd_emux_update_channel(port, chan, SNDRV_EMUX_UPDATE_PAN);
- return;
-
- case _GUS_VOICEVOL:
- case _GUS_VOICEVOL2:
- /* not supported yet */
- return;
-
- case _GUS_RAMPRANGE:
- case _GUS_RAMPRATE:
- case _GUS_RAMPMODE:
- case _GUS_RAMPON:
- case _GUS_RAMPOFF:
- /* volume ramping not supported */
- return;
-
- case _GUS_VOLUME_SCALE:
- return;
-
- case _GUS_VOICE_POS:
-#ifdef SNDRV_EMUX_USE_RAW_EFFECT
- snd_emux_send_effect(port, chan, EMUX_FX_SAMPLE_START,
- (short)(plong & 0x7fff),
- EMUX_FX_FLAG_SET);
- snd_emux_send_effect(port, chan, EMUX_FX_COARSE_SAMPLE_START,
- (plong >> 15) & 0xffff,
- EMUX_FX_FLAG_SET);
-#endif
- return;
- }
-}
-
-
-/*
- * send an event to midi emulation
- */
-static void
-fake_event(struct snd_emux *emu, struct snd_emux_port *port, int ch, int param, int val, int atomic, int hop)
-{
- struct snd_seq_event ev;
- memset(&ev, 0, sizeof(ev));
- ev.type = SNDRV_SEQ_EVENT_CONTROLLER;
- ev.data.control.channel = ch;
- ev.data.control.param = param;
- ev.data.control.value = val;
- snd_emux_event_input(&ev, 0, port, atomic, hop);
-}
-
-#endif /* CONFIG_SND_SEQUENCER_OSS */