diff options
Diffstat (limited to 'sys/pc98/pc98/sound/patmgr.c')
-rw-r--r-- | sys/pc98/pc98/sound/patmgr.c | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/sys/pc98/pc98/sound/patmgr.c b/sys/pc98/pc98/sound/patmgr.c deleted file mode 100644 index 90534159b83b..000000000000 --- a/sys/pc98/pc98/sound/patmgr.c +++ /dev/null @@ -1,272 +0,0 @@ -/* - * sound/patmgr.c - * - * The patch maneger interface for the /dev/sequencer - * - * Copyright by Hannu Savolainen 1993 - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. 2. - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR - * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - */ - -#define PATMGR_C -#ifdef PC98 -#include <pc98/pc98/sound/sound_config.h> -#else -#include <i386/isa/sound/sound_config.h> -#endif - -#if defined(CONFIGURE_SOUNDCARD) && !defined(EXCLUDE_SEQUENCER) - -DEFINE_WAIT_QUEUES (server_procs[MAX_SYNTH_DEV], - server_wait_flag[MAX_SYNTH_DEV]); - -static struct patmgr_info *mbox[MAX_SYNTH_DEV] = -{NULL}; -static volatile int msg_direction[MAX_SYNTH_DEV] = -{0}; - -static int pmgr_opened[MAX_SYNTH_DEV] = -{0}; - -#define A_TO_S 1 -#define S_TO_A 2 - -DEFINE_WAIT_QUEUE (appl_proc, appl_wait_flag); - -int -pmgr_open (int dev) -{ - if (dev < 0 || dev >= num_synths) - return RET_ERROR (ENXIO); - - if (pmgr_opened[dev]) - return RET_ERROR (EBUSY); - pmgr_opened[dev] = 1; - - RESET_WAIT_QUEUE (server_procs[dev], server_wait_flag[dev]); - - return 0; -} - -void -pmgr_release (int dev) -{ - - if (mbox[dev]) /* - * Killed in action. Inform the client - */ - { - - mbox[dev]->key = PM_ERROR; - mbox[dev]->parm1 = RET_ERROR (EIO); - - if (SOMEONE_WAITING (appl_proc, appl_wait_flag)) - WAKE_UP (appl_proc, appl_wait_flag); - } - - pmgr_opened[dev] = 0; -} - -int -pmgr_read (int dev, struct fileinfo *file, snd_rw_buf * buf, int count) -{ - unsigned long flags; - int ok = 0; - - if (count != sizeof (struct patmgr_info)) - { - printk ("PATMGR%d: Invalid read count\n", dev); - return RET_ERROR (EIO); - } - - while (!ok && !PROCESS_ABORTING (server_procs[dev], server_wait_flag[dev])) - { - DISABLE_INTR (flags); - - while (!(mbox[dev] && msg_direction[dev] == A_TO_S) && - !PROCESS_ABORTING (server_procs[dev], server_wait_flag[dev])) - { - DO_SLEEP (server_procs[dev], server_wait_flag[dev], 0); - } - - if (mbox[dev] && msg_direction[dev] == A_TO_S) - { - COPY_TO_USER (buf, 0, (char *) mbox[dev], count); - msg_direction[dev] = 0; - ok = 1; - } - - RESTORE_INTR (flags); - - } - - if (!ok) - return RET_ERROR (EINTR); - return count; -} - -int -pmgr_write (int dev, struct fileinfo *file, snd_rw_buf * buf, int count) -{ - unsigned long flags; - - if (count < 4) - { - printk ("PATMGR%d: Write count < 4\n", dev); - return RET_ERROR (EIO); - } - - COPY_FROM_USER (mbox[dev], buf, 0, 4); - - if (*(unsigned char *) mbox[dev] == SEQ_FULLSIZE) - { - int tmp_dev; - - tmp_dev = ((unsigned short *) mbox[dev])[2]; - if (tmp_dev != dev) - return RET_ERROR (ENXIO); - - return synth_devs[dev]->load_patch (dev, *(unsigned short *) mbox[dev], - buf, 4, count, 1); - } - - if (count != sizeof (struct patmgr_info)) - { - printk ("PATMGR%d: Invalid write count\n", dev); - return RET_ERROR (EIO); - } - - /* - * If everything went OK, there should be a preallocated buffer in the - * mailbox and a client waiting. - */ - - DISABLE_INTR (flags); - - if (mbox[dev] && !msg_direction[dev]) - { - COPY_FROM_USER (&((char *) mbox[dev])[4], buf, 4, count - 4); - msg_direction[dev] = S_TO_A; - - if (SOMEONE_WAITING (appl_proc, appl_wait_flag)) - { - WAKE_UP (appl_proc, appl_wait_flag); - } - } - - RESTORE_INTR (flags); - - return count; -} - -int -pmgr_access (int dev, struct patmgr_info *rec) -{ - unsigned long flags; - int err = 0; - - DISABLE_INTR (flags); - - if (mbox[dev]) - printk (" PATMGR: Server %d mbox full. Why?\n", dev); - else - { - rec->key = PM_K_COMMAND; - mbox[dev] = rec; - msg_direction[dev] = A_TO_S; - - if (SOMEONE_WAITING (server_procs[dev], server_wait_flag[dev])) - { - WAKE_UP (server_procs[dev], server_wait_flag[dev]); - } - - DO_SLEEP (appl_proc, appl_wait_flag, 0); - - if (msg_direction[dev] != S_TO_A) - { - rec->key = PM_ERROR; - rec->parm1 = RET_ERROR (EIO); - } - else if (rec->key == PM_ERROR) - { - err = rec->parm1; - if (err > 0) - err = -err; - } - - mbox[dev] = NULL; - msg_direction[dev] = 0; - } - - RESTORE_INTR (flags); - - return err; -} - -int -pmgr_inform (int dev, int event, unsigned long p1, unsigned long p2, - unsigned long p3, unsigned long p4) -{ - unsigned long flags; - int err = 0; - - if (!pmgr_opened[dev]) - return 0; - - DISABLE_INTR (flags); - - if (mbox[dev]) - printk (" PATMGR: Server %d mbox full. Why?\n", dev); - else - { - if ((mbox[dev] = - (struct patmgr_info *) KERNEL_MALLOC (sizeof (struct patmgr_info))) == NULL) - { - printk ("pmgr: Couldn't allocate memory for a message\n"); - return 0; - } - - mbox[dev]->key = PM_K_EVENT; - mbox[dev]->command = event; - mbox[dev]->parm1 = p1; - mbox[dev]->parm2 = p2; - mbox[dev]->parm3 = p3; - msg_direction[dev] = A_TO_S; - - if (SOMEONE_WAITING (server_procs[dev], server_wait_flag[dev])) - { - WAKE_UP (server_procs[dev], server_wait_flag[dev]); - } - - DO_SLEEP (appl_proc, appl_wait_flag, 0); - if (mbox[dev]) - KERNEL_FREE (mbox[dev]); - mbox[dev] = NULL; - msg_direction[dev] = 0; - } - - RESTORE_INTR (flags); - - return err; -} - -#endif |