diff options
Diffstat (limited to 'sound/oss/emu10k1/cardmo.c')
-rw-r--r-- | sound/oss/emu10k1/cardmo.c | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/sound/oss/emu10k1/cardmo.c b/sound/oss/emu10k1/cardmo.c deleted file mode 100644 index a8cc75db3e4..00000000000 --- a/sound/oss/emu10k1/cardmo.c +++ /dev/null @@ -1,229 +0,0 @@ -/* - ********************************************************************** - * cardmo.c - MIDI UART output HAL for emu10k1 driver - * Copyright 1999, 2000 Creative Labs, Inc. - * - ********************************************************************** - * - * Date Author Summary of changes - * ---- ------ ------------------ - * October 20, 1999 Bertrand Lee base code release - * November 2, 1999 Alan Cox cleaned up - * - ********************************************************************** - * - * 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., 675 Mass Ave, Cambridge, MA 02139, - * USA. - * - ********************************************************************** - */ - -#include <linux/slab.h> - -#include "hwaccess.h" -#include "8010.h" -#include "cardmo.h" -#include "irqmgr.h" - -/* Installs the IRQ handler for the MPU out port * - * and initialize parameters */ - -int emu10k1_mpuout_open(struct emu10k1_card *card, struct midi_openinfo *openinfo) -{ - struct emu10k1_mpuout *card_mpuout = card->mpuout; - - DPF(2, "emu10k1_mpuout_open()\n"); - - if (!(card_mpuout->status & FLAGS_AVAILABLE)) - return -1; - - /* Copy open info and mark channel as in use */ - card_mpuout->intr = 0; - card_mpuout->openinfo = *openinfo; - card_mpuout->status &= ~FLAGS_AVAILABLE; - card_mpuout->laststatus = 0x80; - card_mpuout->firstmidiq = NULL; - card_mpuout->lastmidiq = NULL; - - emu10k1_mpu_reset(card); - emu10k1_mpu_acquire(card); - - return 0; -} - -int emu10k1_mpuout_close(struct emu10k1_card *card) -{ - struct emu10k1_mpuout *card_mpuout = card->mpuout; - struct midi_queue *midiq; - struct midi_hdr *midihdr; - unsigned long flags; - - DPF(2, "emu10k1_mpuout_close()\n"); - - emu10k1_irq_disable(card, card->is_audigy ? A_INTE_MIDITXENABLE : INTE_MIDITXENABLE); - - spin_lock_irqsave(&card_mpuout->lock, flags); - - while (card_mpuout->firstmidiq != NULL) { - midiq = card_mpuout->firstmidiq; - midihdr = (struct midi_hdr *) midiq->refdata; - - card_mpuout->firstmidiq = midiq->next; - - kfree(midihdr->data); - kfree(midihdr); - kfree(midiq); - } - - card_mpuout->lastmidiq = NULL; - - emu10k1_mpu_release(card); - - card_mpuout->status |= FLAGS_AVAILABLE; - - spin_unlock_irqrestore(&card_mpuout->lock, flags); - - return 0; -} - -/* If there isn't enough buffer space, reject Midi Buffer. * -* Otherwise, disable TX, create object to hold Midi * -* uffer, update buffer flags and other parameters * -* before enabling TX again. */ - -int emu10k1_mpuout_add_buffer(struct emu10k1_card *card, struct midi_hdr *midihdr) -{ - struct emu10k1_mpuout *card_mpuout = card->mpuout; - struct midi_queue *midiq; - unsigned long flags; - - DPF(2, "emu10k1_mpuout_add_buffer()\n"); - - if (card_mpuout->state == CARDMIDIOUT_STATE_SUSPEND) - return 0; - - midihdr->flags |= MIDIBUF_INQUEUE; - midihdr->flags &= ~MIDIBUF_DONE; - - if ((midiq = kmalloc(sizeof(struct midi_queue), GFP_KERNEL)) == NULL) { - /* Message lost */ - return -1; - } - - midiq->next = NULL; - midiq->qtype = 1; - midiq->length = midihdr->bufferlength; - midiq->sizeLeft = midihdr->bufferlength; - midiq->midibyte = midihdr->data; - - midiq->refdata = (unsigned long) midihdr; - - spin_lock_irqsave(&card_mpuout->lock, flags); - - if (card_mpuout->firstmidiq == NULL) { - card_mpuout->firstmidiq = midiq; - card_mpuout->lastmidiq = midiq; - } else { - (card_mpuout->lastmidiq)->next = midiq; - card_mpuout->lastmidiq = midiq; - } - - card_mpuout->intr = 0; - - emu10k1_irq_enable(card, card->is_audigy ? A_INTE_MIDITXENABLE : INTE_MIDITXENABLE); - - spin_unlock_irqrestore(&card_mpuout->lock, flags); - - return 0; -} - -void emu10k1_mpuout_bh(unsigned long refdata) -{ - struct emu10k1_card *card = (struct emu10k1_card *) refdata; - struct emu10k1_mpuout *card_mpuout = card->mpuout; - int cByteSent = 0; - struct midi_queue *midiq; - struct midi_queue *doneq = NULL; - unsigned long flags; - - spin_lock_irqsave(&card_mpuout->lock, flags); - - while (card_mpuout->firstmidiq != NULL) { - midiq = card_mpuout->firstmidiq; - - while (cByteSent < 4 && midiq->sizeLeft) { - if (emu10k1_mpu_write_data(card, *midiq->midibyte) < 0) { - DPF(2, "emu10k1_mpuoutDpcCallback error!!\n"); - } else { - ++cByteSent; - --midiq->sizeLeft; - ++midiq->midibyte; - } - } - - if (midiq->sizeLeft == 0) { - if (doneq == NULL) - doneq = midiq; - card_mpuout->firstmidiq = midiq->next; - } else - break; - } - - if (card_mpuout->firstmidiq == NULL) - card_mpuout->lastmidiq = NULL; - - if (doneq != NULL) { - while (doneq != card_mpuout->firstmidiq) { - unsigned long callback_msg[3]; - - midiq = doneq; - doneq = midiq->next; - - if (midiq->qtype) { - callback_msg[0] = 0; - callback_msg[1] = midiq->length; - callback_msg[2] = midiq->refdata; - - emu10k1_midi_callback(ICARDMIDI_OUTLONGDATA, card_mpuout->openinfo.refdata, callback_msg); - } else if (((u8) midiq->refdata) < 0xF0 && ((u8) midiq->refdata) > 0x7F) - card_mpuout->laststatus = (u8) midiq->refdata; - - kfree(midiq); - } - } - - if ((card_mpuout->firstmidiq != NULL) || cByteSent) { - card_mpuout->intr = 0; - emu10k1_irq_enable(card, card->is_audigy ? A_INTE_MIDITXENABLE : INTE_MIDITXENABLE); - } - - spin_unlock_irqrestore(&card_mpuout->lock, flags); - - return; -} - -int emu10k1_mpuout_irqhandler(struct emu10k1_card *card) -{ - struct emu10k1_mpuout *card_mpuout = card->mpuout; - - DPF(4, "emu10k1_mpuout_irqhandler\n"); - - card_mpuout->intr = 1; - emu10k1_irq_disable(card, card->is_audigy ? A_INTE_MIDITXENABLE : INTE_MIDITXENABLE); - - tasklet_hi_schedule(&card_mpuout->tasklet); - - return 0; -} |