415d4cb37a
This corresponds to Voxware 3.5-alpha-<something> and Amancio's guspnp21. There was a bit of a FUBAR during the commmit, so not all files are mentioned in this commit's mail. X-rant: I have just started to _*HATE*_ CVS...
500 lines
11 KiB
C
500 lines
11 KiB
C
/*
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* sound/sound_switch.c
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*
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* The system call switch
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*
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* Copyright by Hannu Savolainen 1993
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer. 2.
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <i386/isa/sound/sound_config.h>
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#if NSND > 0
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#define SNDSTAT_BUF_SIZE 4000
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/*
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* /dev/sndstatus -device
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*/
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static char *status_buf = NULL;
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static int status_len, status_ptr;
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static int status_busy = 0;
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static int
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put_status(char *s)
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{
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int l = strlen(s);
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if (status_len + l >= SNDSTAT_BUF_SIZE)
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return 0;
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bcopy(s, &status_buf[status_len], l);
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status_len += l;
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return 1;
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}
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/*
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* in principle, we never overflow the buffer. But... if radix=2 ...
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* and if smaller... lr970711
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*/
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static int
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put_status_int(u_int val, int radix)
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{
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int l, v;
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static char hx[] = "0123456789abcdef";
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char buf[33]; /* int is 32 bit+null, in base 2 */
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if (radix < 2 || radix > 16) /* better than panic */
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return put_status("???");
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if (!val)
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return put_status("0");
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l = 0;
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buf[10] = 0;
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while (val) {
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v = val % radix;
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val = val / radix;
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buf[9 - l] = hx[v];
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l++;
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}
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if (status_len + l >= SNDSTAT_BUF_SIZE)
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return 0;
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bcopy(&buf[10 - l], &status_buf[status_len], l);
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status_len += l;
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return 1;
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}
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static void
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init_status(void)
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{
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/*
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* Write the status information to the status_buf and update
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* status_len. There is a limit of SNDSTAT_BUF_SIZE bytes for the data.
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* put_status handles this and returns 0 in case of failure. Since
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* it never oveflows the buffer, we do not care to check.
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*/
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int i;
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status_ptr = 0;
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#ifdef SOUND_UNAME_A
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put_status("VoxWare Sound Driver:" SOUND_VERSION_STRING
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" (" SOUND_CONFIG_DATE " " SOUND_CONFIG_BY ",\n"
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SOUND_UNAME_A ")\n");
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#else
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put_status("VoxWare Sound Driver:" SOUND_VERSION_STRING
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" (" SOUND_CONFIG_DATE " " SOUND_CONFIG_BY "@"
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SOUND_CONFIG_HOST "." SOUND_CONFIG_DOMAIN ")\n");
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#endif
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put_status("Config options: ") ;
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/* put_status_int(SELECTED_SOUND_OPTIONS, 16) ; */
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put_status("\n\nInstalled drivers: \n") ;
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for (i = 0; i < num_sound_drivers; i++)
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if (sound_drivers[i].card_type != 0) {
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put_status("Type ") ;
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put_status_int(sound_drivers[i].card_type, 10);
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put_status(": ") ;
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put_status(sound_drivers[i].name) ;
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put_status("\n") ;
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}
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put_status("\n\nCard config: \n") ;
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for (i = 0; i < num_sound_cards; i++)
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if (snd_installed_cards[i].card_type != 0) {
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int drv, tmp;
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if (!snd_installed_cards[i].enabled)
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put_status("(") ;
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if ((drv = snd_find_driver(snd_installed_cards[i].card_type)) != -1)
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put_status(sound_drivers[drv].name) ;
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put_status(" at 0x") ;
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put_status_int(snd_installed_cards[i].config.io_base, 16);
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put_status(" irq ") ;
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tmp = snd_installed_cards[i].config.irq;
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if (tmp < 0)
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tmp = -tmp;
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put_status_int(tmp, 10) ;
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if (snd_installed_cards[i].config.dma != -1) {
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put_status(" drq ") ;
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put_status_int(snd_installed_cards[i].config.dma, 10) ;
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if (snd_installed_cards[i].config.dma2 != -1) {
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put_status(",") ;
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put_status_int(snd_installed_cards[i].config.dma2, 10) ;
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}
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}
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if (!snd_installed_cards[i].enabled)
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put_status(")") ;
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put_status("\n") ;
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}
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if (!sound_started) {
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put_status("\n\n***** Sound driver not started *****\n\n");
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return;
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}
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#ifndef CONFIG_AUDIO
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put_status("\nAudio devices: NOT ENABLED IN CONFIG\n") ;
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#else
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put_status("\nAudio devices:\n") ;
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for (i = 0; i < num_audiodevs; i++) {
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put_status_int(i, 10) ;
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put_status(": ") ;
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put_status(audio_devs[i]->name) ;
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if (audio_devs[i]->flags & DMA_DUPLEX)
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put_status(" (DUPLEX)") ;
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put_status("\n") ;
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}
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#endif
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#ifndef CONFIG_SEQUENCER
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put_status("\nSynth devices: NOT ENABLED IN CONFIG\n");
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#else
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put_status("\nSynth devices:\n") ;
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for (i = 0; i < num_synths; i++) {
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put_status_int(i, 10) ;
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put_status(": ") ;
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put_status(synth_devs[i]->info->name) ;
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put_status("\n") ;
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}
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#endif
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#ifndef CONFIG_MIDI
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put_status("\nMidi devices: NOT ENABLED IN CONFIG\n") ;
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#else
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put_status("\nMidi devices:\n") ;
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for (i = 0; i < num_midis; i++) {
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put_status_int(i, 10) ;
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put_status(": ") ;
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put_status(midi_devs[i]->info.name) ;
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put_status("\n") ;
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}
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#endif
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put_status("\nTimers:\n");
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for (i = 0; i < num_sound_timers; i++) {
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put_status_int(i, 10);
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put_status(": ");
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put_status(sound_timer_devs[i]->info.name);
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put_status("\n");
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}
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put_status("\nMixers:\n");
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for (i = 0; i < num_mixers; i++) {
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put_status_int(i, 10);
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put_status(": ");
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put_status(mixer_devs[i]->name);
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put_status("\n");
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}
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}
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static int
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read_status(snd_rw_buf * buf, int count)
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{
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/*
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* Return at most 'count' bytes from the status_buf.
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*/
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int l, c;
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l = count;
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c = status_len - status_ptr;
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if (l > c)
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l = c;
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if (l <= 0)
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return 0;
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if (uiomove(&status_buf[status_ptr], l, buf)) {
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printf("sb: Bad copyout()!\n");
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};
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status_ptr += l;
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return l;
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}
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int
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sound_read_sw(int dev, struct fileinfo * file, snd_rw_buf * buf, int count)
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{
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DEB(printf("sound_read_sw(dev=%d, count=%d)\n", dev, count));
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switch (dev & 0x0f) {
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case SND_DEV_STATUS:
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return read_status(buf, count);
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break;
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#ifdef CONFIG_AUDIO
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case SND_DEV_DSP:
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case SND_DEV_DSP16:
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case SND_DEV_AUDIO:
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return audio_read(dev, file, buf, count);
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break;
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#endif
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#ifdef CONFIG_SEQUENCER
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case SND_DEV_SEQ:
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case SND_DEV_SEQ2:
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return sequencer_read(dev, file, buf, count);
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break;
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#endif
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#ifdef CONFIG_MIDI
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case SND_DEV_MIDIN:
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return MIDIbuf_read(dev, file, buf, count);
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#endif
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default:
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printf("Sound: Undefined minor device %d\n", dev);
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}
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return -(EPERM);
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}
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int
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sound_write_sw(int dev, struct fileinfo * file, snd_rw_buf * buf, int count)
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{
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DEB(printf("sound_write_sw(dev=%d, count=%d)\n", dev, count));
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switch (dev & 0x0f) {
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#ifdef CONFIG_SEQUENCER
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case SND_DEV_SEQ:
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case SND_DEV_SEQ2:
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return sequencer_write(dev, file, buf, count);
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break;
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#endif
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#ifdef CONFIG_AUDIO
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case SND_DEV_DSP:
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case SND_DEV_DSP16:
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case SND_DEV_AUDIO:
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return audio_write(dev, file, buf, count);
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break;
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#endif
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#ifdef CONFIG_MIDI
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case SND_DEV_MIDIN:
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return MIDIbuf_write(dev, file, buf, count);
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#endif
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default:
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return -(EPERM);
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}
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return count;
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}
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int
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sound_open_sw(int dev, struct fileinfo * file)
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{
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int retval;
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DEB(printf("sound_open_sw(dev=%d)\n", dev));
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if ((dev >= SND_NDEVS) || (dev < 0)) {
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printf("Invalid minor device %d\n", dev);
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return -(ENXIO);
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}
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switch (dev & 0x0f) {
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case SND_DEV_STATUS:
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if (status_busy)
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return -(EBUSY);
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status_busy = 1;
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if ((status_buf = (char *) malloc(SNDSTAT_BUF_SIZE, M_TEMP, M_WAITOK)) == NULL)
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return -(EIO);
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status_len = status_ptr = 0;
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init_status();
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break;
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case SND_DEV_CTL:
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return 0;
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break;
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#ifdef CONFIG_SEQUENCER
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case SND_DEV_SEQ:
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case SND_DEV_SEQ2:
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if ((retval = sequencer_open(dev, file)) < 0)
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return retval;
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break;
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#endif
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#ifdef CONFIG_MIDI
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case SND_DEV_MIDIN:
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if ((retval = MIDIbuf_open(dev, file)) < 0)
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return retval;
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break;
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#endif
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#ifdef CONFIG_AUDIO
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case SND_DEV_DSP:
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case SND_DEV_DSP16:
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case SND_DEV_AUDIO:
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if ((retval = audio_open(dev, file)) < 0)
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return retval;
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break;
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#endif
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default:
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printf("Invalid minor device %d\n", dev);
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return -(ENXIO);
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}
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return 0;
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}
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void
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sound_release_sw(int dev, struct fileinfo * file)
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{
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DEB(printf("sound_release_sw(dev=%d)\n", dev));
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switch (dev & 0x0f) {
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case SND_DEV_STATUS:
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if (status_buf)
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free(status_buf, M_TEMP);
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status_buf = NULL;
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status_busy = 0;
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break;
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case SND_DEV_CTL:
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break;
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#ifdef CONFIG_SEQUENCER
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case SND_DEV_SEQ:
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case SND_DEV_SEQ2:
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sequencer_release(dev, file);
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break;
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#endif
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#ifdef CONFIG_MIDI
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case SND_DEV_MIDIN:
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MIDIbuf_release(dev, file);
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break;
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#endif
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#ifdef CONFIG_AUDIO
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case SND_DEV_DSP:
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case SND_DEV_DSP16:
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case SND_DEV_AUDIO:
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audio_release(dev, file);
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break;
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#endif
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default:
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printf("Sound error: Releasing unknown device 0x%02x\n", dev);
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}
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}
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int
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sound_ioctl_sw(int dev, struct fileinfo * file, u_int cmd, ioctl_arg arg)
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{
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DEB(printf("sound_ioctl_sw(dev=%d, cmd=0x%x, arg=0x%x)\n", dev, cmd, arg));
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if (((cmd >> 8) & 0xff) == 'M' && num_mixers > 0) /* Mixer ioctl */
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if ((dev & 0x0f) != SND_DEV_CTL) {
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int dtype = dev & 0x0f;
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int mixdev;
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switch (dtype) {
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#ifdef CONFIG_AUDIO
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case SND_DEV_DSP:
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case SND_DEV_DSP16:
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case SND_DEV_AUDIO:
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mixdev = audio_devs[dev >> 4]->mixer_dev;
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if (mixdev < 0 || mixdev >= num_mixers)
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return -(ENXIO);
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return mixer_devs[mixdev]->ioctl(mixdev, cmd, arg);
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break;
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#endif
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default:
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return mixer_devs[0]->ioctl(0, cmd, arg);
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}
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}
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switch (dev & 0x0f) {
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case SND_DEV_CTL:
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if (!num_mixers)
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return -(ENXIO);
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dev = dev >> 4;
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if (dev >= num_mixers)
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return -(ENXIO);
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return mixer_devs[dev]->ioctl(dev, cmd, arg);
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break;
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#ifdef CONFIG_SEQUENCER
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case SND_DEV_SEQ:
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case SND_DEV_SEQ2:
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return sequencer_ioctl(dev, file, cmd, arg);
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break;
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#endif
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#ifdef CONFIG_AUDIO
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case SND_DEV_DSP:
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case SND_DEV_DSP16:
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case SND_DEV_AUDIO:
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return audio_ioctl(dev, file, cmd, arg);
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break;
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#endif
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#ifdef CONFIG_MIDI
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case SND_DEV_MIDIN:
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return MIDIbuf_ioctl(dev, file, cmd, arg);
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break;
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#endif
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default:
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return -(EPERM);
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break;
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}
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return -(EPERM);
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}
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#endif
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