diff options
Diffstat (limited to 'sound/oss/emu10k1/cardmi.c')
| -rw-r--r-- | sound/oss/emu10k1/cardmi.c | 832 |
1 files changed, 0 insertions, 832 deletions
diff --git a/sound/oss/emu10k1/cardmi.c b/sound/oss/emu10k1/cardmi.c deleted file mode 100644 index 57674f8c8a2..00000000000 --- a/sound/oss/emu10k1/cardmi.c +++ /dev/null @@ -1,832 +0,0 @@ -/* - ********************************************************************** - * sblive_mi.c - MIDI UART input 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 clean 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 <linux/jiffies.h> - -#include "hwaccess.h" -#include "8010.h" -#include "cardmi.h" -#include "irqmgr.h" - - -static int emu10k1_mpuin_callback(struct emu10k1_mpuin *card_mpuin, u32 msg, unsigned long data, u32 bytesvalid); - -static int sblive_miStateInit(struct emu10k1_mpuin *); -static int sblive_miStateEntry(struct emu10k1_mpuin *, u8); -static int sblive_miStateParse(struct emu10k1_mpuin *, u8); -static int sblive_miState3Byte(struct emu10k1_mpuin *, u8); -static int sblive_miState3ByteKey(struct emu10k1_mpuin *, u8); -static int sblive_miState3ByteVel(struct emu10k1_mpuin *, u8); -static int sblive_miState2Byte(struct emu10k1_mpuin *, u8); -static int sblive_miState2ByteKey(struct emu10k1_mpuin *, u8); -static int sblive_miStateSysCommon2(struct emu10k1_mpuin *, u8); -static int sblive_miStateSysCommon2Key(struct emu10k1_mpuin *, u8); -static int sblive_miStateSysCommon3(struct emu10k1_mpuin *, u8); -static int sblive_miStateSysCommon3Key(struct emu10k1_mpuin *, u8); -static int sblive_miStateSysCommon3Vel(struct emu10k1_mpuin *, u8); -static int sblive_miStateSysExNorm(struct emu10k1_mpuin *, u8); -static int sblive_miStateSysReal(struct emu10k1_mpuin *, u8); - - -static struct { - int (*Fn) (struct emu10k1_mpuin *, u8); -} midistatefn[] = { - - { - sblive_miStateParse}, { - sblive_miState3Byte}, /* 0x8n, 0x9n, 0xAn, 0xBn, 0xEn */ - { - sblive_miState3ByteKey}, /* Byte 1 */ - { - sblive_miState3ByteVel}, /* Byte 2 */ - { - sblive_miState2Byte}, /* 0xCn, 0xDn */ - { - sblive_miState2ByteKey}, /* Byte 1 */ - { - sblive_miStateSysCommon2}, /* 0xF1 , 0xF3 */ - { - sblive_miStateSysCommon2Key}, /* 0xF1 , 0xF3, Byte 1 */ - { - sblive_miStateSysCommon3}, /* 0xF2 */ - { - sblive_miStateSysCommon3Key}, /* 0xF2 , Byte 1 */ - { - sblive_miStateSysCommon3Vel}, /* 0xF2 , Byte 2 */ - { - sblive_miStateSysExNorm}, /* 0xF0, 0xF7, Normal mode */ - { - sblive_miStateSysReal} /* 0xF4 - 0xF6 ,0xF8 - 0xFF */ -}; - - -/* Installs the IRQ handler for the MPU in port */ - -/* and initialize parameters */ - -int emu10k1_mpuin_open(struct emu10k1_card *card, struct midi_openinfo *openinfo) -{ - struct emu10k1_mpuin *card_mpuin = card->mpuin; - - DPF(2, "emu10k1_mpuin_open\n"); - - if (!(card_mpuin->status & FLAGS_AVAILABLE)) - return -1; - - /* Copy open info and mark channel as in use */ - card_mpuin->openinfo = *openinfo; - card_mpuin->status &= ~FLAGS_AVAILABLE; /* clear */ - card_mpuin->status |= FLAGS_READY; /* set */ - card_mpuin->status &= ~FLAGS_MIDM_STARTED; /* clear */ - card_mpuin->firstmidiq = NULL; - card_mpuin->lastmidiq = NULL; - card_mpuin->qhead = 0; - card_mpuin->qtail = 0; - - sblive_miStateInit(card_mpuin); - - emu10k1_mpu_reset(card); - emu10k1_mpu_acquire(card); - - return 0; -} - -int emu10k1_mpuin_close(struct emu10k1_card *card) -{ - struct emu10k1_mpuin *card_mpuin = card->mpuin; - - DPF(2, "emu10k1_mpuin_close()\n"); - - /* Check if there are pending input SysEx buffers */ - if (card_mpuin->firstmidiq != NULL) { - ERROR(); - return -1; - } - - /* Disable RX interrupt */ - emu10k1_irq_disable(card, card->is_audigy ? A_INTE_MIDIRXENABLE : INTE_MIDIRXENABLE); - - emu10k1_mpu_release(card); - - card_mpuin->status |= FLAGS_AVAILABLE; /* set */ - card_mpuin->status &= ~FLAGS_MIDM_STARTED; /* clear */ - - return 0; -} - -/* Adds MIDI buffer to local queue list */ - -int emu10k1_mpuin_add_buffer(struct emu10k1_mpuin *card_mpuin, struct midi_hdr *midihdr) -{ - struct midi_queue *midiq; - unsigned long flags; - - DPF(2, "emu10k1_mpuin_add_buffer()\n"); - - /* Update MIDI buffer flags */ - midihdr->flags |= MIDIBUF_INQUEUE; /* set */ - midihdr->flags &= ~MIDIBUF_DONE; /* clear */ - - if ((midiq = kmalloc(sizeof(struct midi_queue), GFP_ATOMIC)) == 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_mpuin->lock, flags); - - if (card_mpuin->firstmidiq == NULL) { - card_mpuin->firstmidiq = midiq; - card_mpuin->lastmidiq = midiq; - } else { - (card_mpuin->lastmidiq)->next = midiq; - card_mpuin->lastmidiq = midiq; - } - - spin_unlock_irqrestore(&card_mpuin->lock, flags); - - return 0; -} - -/* First set the Time Stamp if MIDI IN has not started. */ - -/* Then enable RX Irq. */ - -int emu10k1_mpuin_start(struct emu10k1_card *card) -{ - struct emu10k1_mpuin *card_mpuin = card->mpuin; - u8 dummy; - - DPF(2, "emu10k1_mpuin_start()\n"); - - /* Set timestamp if not set */ - if (card_mpuin->status & FLAGS_MIDM_STARTED) { - DPF(2, "Time Stamp not changed\n"); - } else { - while (!emu10k1_mpu_read_data(card, &dummy)); - - card_mpuin->status |= FLAGS_MIDM_STARTED; /* set */ - - /* Set new time stamp */ - card_mpuin->timestart = (jiffies * 1000) / HZ; - DPD(2, "New Time Stamp = %d\n", card_mpuin->timestart); - - card_mpuin->qhead = 0; - card_mpuin->qtail = 0; - - emu10k1_irq_enable(card, card->is_audigy ? A_INTE_MIDIRXENABLE : INTE_MIDIRXENABLE); - } - - return 0; -} - -/* Disable the RX Irq. If a partial recorded buffer */ - -/* exist, send it up to IMIDI level. */ - -int emu10k1_mpuin_stop(struct emu10k1_card *card) -{ - struct emu10k1_mpuin *card_mpuin = card->mpuin; - struct midi_queue *midiq; - unsigned long flags; - - DPF(2, "emu10k1_mpuin_stop()\n"); - - emu10k1_irq_disable(card, card->is_audigy ? A_INTE_MIDIRXENABLE : INTE_MIDIRXENABLE); - - card_mpuin->status &= ~FLAGS_MIDM_STARTED; /* clear */ - - if (card_mpuin->firstmidiq) { - spin_lock_irqsave(&card_mpuin->lock, flags); - - midiq = card_mpuin->firstmidiq; - if (midiq != NULL) { - if (midiq->sizeLeft == midiq->length) - midiq = NULL; - else { - card_mpuin->firstmidiq = midiq->next; - if (card_mpuin->firstmidiq == NULL) - card_mpuin->lastmidiq = NULL; - } - } - - spin_unlock_irqrestore(&card_mpuin->lock, flags); - - if (midiq) { - emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INLONGERROR, (unsigned long) midiq, 0); - kfree(midiq); - } - } - - return 0; -} - -/* Disable the RX Irq. If any buffer */ - -/* exist, send it up to IMIDI level. */ -int emu10k1_mpuin_reset(struct emu10k1_card *card) -{ - struct emu10k1_mpuin *card_mpuin = card->mpuin; - struct midi_queue *midiq; - - DPF(2, "emu10k1_mpuin_reset()\n"); - - emu10k1_irq_disable(card, card->is_audigy ? A_INTE_MIDIRXENABLE : INTE_MIDIRXENABLE); - - while (card_mpuin->firstmidiq) { - midiq = card_mpuin->firstmidiq; - card_mpuin->firstmidiq = midiq->next; - - if (midiq->sizeLeft == midiq->length) - emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INLONGDATA, (unsigned long) midiq, 0); - else - emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INLONGERROR, (unsigned long) midiq, 0); - - kfree(midiq); - } - - card_mpuin->lastmidiq = NULL; - card_mpuin->status &= ~FLAGS_MIDM_STARTED; - - return 0; -} - -/* Passes the message with the data back to the client */ - -/* via IRQ & DPC callbacks to Ring 3 */ -static int emu10k1_mpuin_callback(struct emu10k1_mpuin *card_mpuin, u32 msg, unsigned long data, u32 bytesvalid) -{ - unsigned long timein; - struct midi_queue *midiq; - unsigned long callback_msg[3]; - struct midi_hdr *midihdr; - - /* Called during ISR. The data & code touched are: - * 1. card_mpuin - * 2. The function to be called - */ - - timein = card_mpuin->timein; - if (card_mpuin->timestart <= timein) - callback_msg[0] = timein - card_mpuin->timestart; - else - callback_msg[0] = (~0x0L - card_mpuin->timestart) + timein; - - if (msg == ICARDMIDI_INDATA || msg == ICARDMIDI_INDATAERROR) { - callback_msg[1] = data; - callback_msg[2] = bytesvalid; - DPD(2, "emu10k1_mpuin_callback: midimsg = %#lx\n", data); - } else { - midiq = (struct midi_queue *) data; - midihdr = (struct midi_hdr *) midiq->refdata; - - callback_msg[1] = midiq->length - midiq->sizeLeft; - callback_msg[2] = midiq->refdata; - midihdr->flags &= ~MIDIBUF_INQUEUE; - midihdr->flags |= MIDIBUF_DONE; - - midihdr->bytesrecorded = midiq->length - midiq->sizeLeft; - } - - /* Notify client that Sysex buffer has been sent */ - emu10k1_midi_callback(msg, card_mpuin->openinfo.refdata, callback_msg); - - return 0; -} - -void emu10k1_mpuin_bh(unsigned long refdata) -{ - u8 data; - unsigned idx; - struct emu10k1_mpuin *card_mpuin = (struct emu10k1_mpuin *) refdata; - unsigned long flags; - - while (card_mpuin->qhead != card_mpuin->qtail) { - spin_lock_irqsave(&card_mpuin->lock, flags); - idx = card_mpuin->qhead; - data = card_mpuin->midiq[idx].data; - card_mpuin->timein = card_mpuin->midiq[idx].timein; - idx = (idx + 1) % MIDIIN_MAX_BUFFER_SIZE; - card_mpuin->qhead = idx; - spin_unlock_irqrestore(&card_mpuin->lock, flags); - - sblive_miStateEntry(card_mpuin, data); - } - - return; -} - -/* IRQ callback handler routine for the MPU in port */ - -int emu10k1_mpuin_irqhandler(struct emu10k1_card *card) -{ - unsigned idx; - unsigned count; - u8 MPUIvalue; - struct emu10k1_mpuin *card_mpuin = card->mpuin; - - /* IRQ service routine. The data and code touched are: - * 1. card_mpuin - */ - - count = 0; - idx = card_mpuin->qtail; - - while (1) { - if (emu10k1_mpu_read_data(card, &MPUIvalue) < 0) { - break; - } else { - ++count; - card_mpuin->midiq[idx].data = MPUIvalue; - card_mpuin->midiq[idx].timein = (jiffies * 1000) / HZ; - idx = (idx + 1) % MIDIIN_MAX_BUFFER_SIZE; - } - } - - if (count) { - card_mpuin->qtail = idx; - - tasklet_hi_schedule(&card_mpuin->tasklet); - } - - return 0; -} - -/*****************************************************************************/ - -/* Supporting functions for Midi-In Interpretation State Machine */ - -/*****************************************************************************/ - -/* FIXME: This should be a macro */ -static int sblive_miStateInit(struct emu10k1_mpuin *card_mpuin) -{ - card_mpuin->status = 0; /* For MIDI running status */ - card_mpuin->fstatus = 0; /* For 0xFn status only */ - card_mpuin->curstate = STIN_PARSE; - card_mpuin->laststate = STIN_PARSE; - card_mpuin->data = 0; - card_mpuin->timestart = 0; - card_mpuin->timein = 0; - - return 0; -} - -/* FIXME: This should be a macro */ -static int sblive_miStateEntry(struct emu10k1_mpuin *card_mpuin, u8 data) -{ - return midistatefn[card_mpuin->curstate].Fn(card_mpuin, data); -} - -static int sblive_miStateParse(struct emu10k1_mpuin *card_mpuin, u8 data) -{ - switch (data & 0xf0) { - case 0x80: - case 0x90: - case 0xA0: - case 0xB0: - case 0xE0: - card_mpuin->curstate = STIN_3BYTE; - break; - - case 0xC0: - case 0xD0: - card_mpuin->curstate = STIN_2BYTE; - break; - - case 0xF0: - /* System messages do not affect the previous running status! */ - switch (data & 0x0f) { - case 0x0: - card_mpuin->laststate = card_mpuin->curstate; - card_mpuin->curstate = STIN_SYS_EX_NORM; - - if (card_mpuin->firstmidiq) { - struct midi_queue *midiq; - - midiq = card_mpuin->firstmidiq; - *midiq->midibyte = data; - --midiq->sizeLeft; - ++midiq->midibyte; - } - - return CTSTATUS_NEXT_BYTE; - - case 0x7: - emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATAERROR, 0xf7, 0); - return -1; - - case 0x2: - card_mpuin->laststate = card_mpuin->curstate; - card_mpuin->curstate = STIN_SYS_COMMON_3; - break; - - case 0x1: - case 0x3: - card_mpuin->laststate = card_mpuin->curstate; - card_mpuin->curstate = STIN_SYS_COMMON_2; - break; - - default: - /* includes 0xF4 - 0xF6, 0xF8 - 0xFF */ - return midistatefn[STIN_SYS_REAL].Fn(card_mpuin, data); - } - - break; - - default: - DPF(2, "BUG: default case hit\n"); - return -1; - } - - return midistatefn[card_mpuin->curstate].Fn(card_mpuin, data); -} - -static int sblive_miState3Byte(struct emu10k1_mpuin *card_mpuin, u8 data) -{ - u8 temp = data & 0xf0; - - if (temp < 0x80) { - return midistatefn[STIN_3BYTE_KEY].Fn(card_mpuin, data); - } else if (temp <= 0xe0 && temp != 0xc0 && temp != 0xd0) { - card_mpuin->status = data; - card_mpuin->curstate = STIN_3BYTE_KEY; - - return CTSTATUS_NEXT_BYTE; - } - - return midistatefn[STIN_PARSE].Fn(card_mpuin, data); -} - -static int sblive_miState3ByteKey(struct emu10k1_mpuin *card_mpuin, u8 data) -/* byte 1 */ -{ - unsigned long tmp; - - if (data > 0x7f) { - /* Real-time messages check */ - if (data > 0xf7) - return midistatefn[STIN_SYS_REAL].Fn(card_mpuin, data); - - /* Invalid data! */ - DPF(2, "Invalid data!\n"); - - card_mpuin->curstate = STIN_PARSE; - tmp = ((unsigned long) data) << 8; - tmp |= (unsigned long) card_mpuin->status; - - emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATAERROR, tmp, 0); - - return -1; - } - - card_mpuin->data = data; - card_mpuin->curstate = STIN_3BYTE_VEL; - - return CTSTATUS_NEXT_BYTE; -} - -static int sblive_miState3ByteVel(struct emu10k1_mpuin *card_mpuin, u8 data) -/* byte 2 */ -{ - unsigned long tmp; - - if (data > 0x7f) { - /* Real-time messages check */ - if (data > 0xf7) - return midistatefn[STIN_SYS_REAL].Fn(card_mpuin, data); - - /* Invalid data! */ - DPF(2, "Invalid data!\n"); - - card_mpuin->curstate = STIN_PARSE; - tmp = ((unsigned long) data) << 8; - tmp |= card_mpuin->data; - tmp = tmp << 8; - tmp |= (unsigned long) card_mpuin->status; - - emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATAERROR, tmp, 0); - - return -1; - } - - card_mpuin->curstate = STIN_3BYTE; - tmp = (unsigned long) data; - tmp = tmp << 8; - tmp |= (unsigned long) card_mpuin->data; - tmp = tmp << 8; - tmp |= (unsigned long) card_mpuin->status; - - emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATA, tmp, 3); - - return 0; -} - -static int sblive_miState2Byte(struct emu10k1_mpuin *card_mpuin, u8 data) -{ - u8 temp = data & 0xf0; - - if ((temp == 0xc0) || (temp == 0xd0)) { - card_mpuin->status = data; - card_mpuin->curstate = STIN_2BYTE_KEY; - - return CTSTATUS_NEXT_BYTE; - } - - if (temp < 0x80) - return midistatefn[STIN_2BYTE_KEY].Fn(card_mpuin, data); - - return midistatefn[STIN_PARSE].Fn(card_mpuin, data); -} - -static int sblive_miState2ByteKey(struct emu10k1_mpuin *card_mpuin, u8 data) -/* byte 1 */ -{ - unsigned long tmp; - - if (data > 0x7f) { - /* Real-time messages check */ - if (data > 0xf7) - return midistatefn[STIN_SYS_REAL].Fn(card_mpuin, data); - - /* Invalid data! */ - DPF(2, "Invalid data!\n"); - - card_mpuin->curstate = STIN_PARSE; - tmp = (unsigned long) data; - tmp = tmp << 8; - tmp |= (unsigned long) card_mpuin->status; - - emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATAERROR, tmp, 0); - - return -1; - } - - card_mpuin->curstate = STIN_2BYTE; - tmp = (unsigned long) data; - tmp = tmp << 8; - tmp |= (unsigned long) card_mpuin->status; - - emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATA, tmp, 2); - - return 0; -} - -static int sblive_miStateSysCommon2(struct emu10k1_mpuin *card_mpuin, u8 data) -{ - card_mpuin->fstatus = data; - card_mpuin->curstate = STIN_SYS_COMMON_2_KEY; - - return CTSTATUS_NEXT_BYTE; -} - -static int sblive_miStateSysCommon2Key(struct emu10k1_mpuin *card_mpuin, u8 data) -/* byte 1 */ -{ - unsigned long tmp; - - if (data > 0x7f) { - /* Real-time messages check */ - if (data > 0xf7) - return midistatefn[STIN_SYS_REAL].Fn(card_mpuin, data); - - /* Invalid data! */ - DPF(2, "Invalid data!\n"); - - card_mpuin->curstate = card_mpuin->laststate; - tmp = (unsigned long) data; - tmp = tmp << 8; - tmp |= (unsigned long) card_mpuin->fstatus; - - emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATAERROR, tmp, 0); - - return -1; - } - - card_mpuin->curstate = card_mpuin->laststate; - tmp = (unsigned long) data; - tmp = tmp << 8; - tmp |= (unsigned long) card_mpuin->fstatus; - - emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATA, tmp, 2); - - return 0; -} - -static int sblive_miStateSysCommon3(struct emu10k1_mpuin *card_mpuin, u8 data) -{ - card_mpuin->fstatus = data; - card_mpuin->curstate = STIN_SYS_COMMON_3_KEY; - - return CTSTATUS_NEXT_BYTE; -} - -static int sblive_miStateSysCommon3Key(struct emu10k1_mpuin *card_mpuin, u8 data) -/* byte 1 */ -{ - unsigned long tmp; - - if (data > 0x7f) { - /* Real-time messages check */ - if (data > 0xf7) - return midistatefn[STIN_SYS_REAL].Fn(card_mpuin, data); - - /* Invalid data! */ - DPF(2, "Invalid data!\n"); - - card_mpuin->curstate = card_mpuin->laststate; - tmp = (unsigned long) data; - tmp = tmp << 8; - tmp |= (unsigned long) card_mpuin->fstatus; - - emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATAERROR, tmp, 0); - - return -1; - } - - card_mpuin->data = data; - card_mpuin->curstate = STIN_SYS_COMMON_3_VEL; - - return CTSTATUS_NEXT_BYTE; -} - -static int sblive_miStateSysCommon3Vel(struct emu10k1_mpuin *card_mpuin, u8 data) -/* byte 2 */ -{ - unsigned long tmp; - - if (data > 0x7f) { - /* Real-time messages check */ - if (data > 0xf7) - return midistatefn[STIN_SYS_REAL].Fn(card_mpuin, data); - - /* Invalid data! */ - DPF(2, "Invalid data!\n"); - - card_mpuin->curstate = card_mpuin->laststate; - tmp = (unsigned long) data; - tmp = tmp << 8; - tmp |= (unsigned long) card_mpuin->data; - tmp = tmp << 8; - tmp |= (unsigned long) card_mpuin->fstatus; - - emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATAERROR, tmp, 0); - - return -1; - } - - card_mpuin->curstate = card_mpuin->laststate; - tmp = (unsigned long) data; - tmp = tmp << 8; - tmp |= (unsigned long) card_mpuin->data; - tmp = tmp << 8; - tmp |= (unsigned long) card_mpuin->fstatus; - - emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATA, tmp, 3); - - return 0; -} - -static int sblive_miStateSysExNorm(struct emu10k1_mpuin *card_mpuin, u8 data) -{ - unsigned long flags; - - if ((data > 0x7f) && (data != 0xf7)) { - /* Real-time messages check */ - if (data > 0xf7) - return midistatefn[STIN_SYS_REAL].Fn(card_mpuin, data); - - /* Invalid Data! */ - DPF(2, "Invalid data!\n"); - - card_mpuin->curstate = card_mpuin->laststate; - - if (card_mpuin->firstmidiq) { - struct midi_queue *midiq; - - midiq = card_mpuin->firstmidiq; - *midiq->midibyte = data; - --midiq->sizeLeft; - ++midiq->midibyte; - - spin_lock_irqsave(&card_mpuin->lock, flags); - - card_mpuin->firstmidiq = midiq->next; - if (card_mpuin->firstmidiq == NULL) - card_mpuin->lastmidiq = NULL; - - spin_unlock_irqrestore(&card_mpuin->lock, flags); - - emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INLONGERROR, (unsigned long) midiq, 0); - - kfree(midiq); - } - - return -1; - } - - if (card_mpuin->firstmidiq) { - struct midi_queue *midiq; - - midiq = card_mpuin->firstmidiq; - *midiq->midibyte = data; - --midiq->sizeLeft; - ++midiq->midibyte; - } - - if (data == 0xf7) { - /* End of Sysex buffer */ - /* Send down the buffer */ - - card_mpuin->curstate = card_mpuin->laststate; - - if (card_mpuin->firstmidiq) { - struct midi_queue *midiq; - - midiq = card_mpuin->firstmidiq; - - spin_lock_irqsave(&card_mpuin->lock, flags); - - card_mpuin->firstmidiq = midiq->next; - if (card_mpuin->firstmidiq == NULL) - card_mpuin->lastmidiq = NULL; - - spin_unlock_irqrestore(&card_mpuin->lock, flags); - - emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INLONGDATA, (unsigned long) midiq, 0); - - kfree(midiq); - } - - return 0; - } - - if (card_mpuin->firstmidiq) { - struct midi_queue *midiq; - - midiq = card_mpuin->firstmidiq; - - if (midiq->sizeLeft == 0) { - /* Special case */ - - spin_lock_irqsave(&card_mpuin->lock, flags); - - card_mpuin->firstmidiq = midiq->next; - if (card_mpuin->firstmidiq == NULL) - card_mpuin->lastmidiq = NULL; - - spin_unlock_irqrestore(&card_mpuin->lock, flags); - - emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INLONGDATA, (unsigned long) midiq, 0); - - kfree(midiq); - - return CTSTATUS_NEXT_BYTE; - } - } - - return CTSTATUS_NEXT_BYTE; -} - -static int sblive_miStateSysReal(struct emu10k1_mpuin *card_mpuin, u8 data) -{ - emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATA, data, 1); - - return CTSTATUS_NEXT_BYTE; -} |