patch-2.2.17 linux/drivers/sound/emu10k1/cardmi.c

• Lines: 819
• Date: Mon Sep 4 18:39:21 2000
• Orig file: v2.2.16/drivers/sound/emu10k1/cardmi.c
• Orig date: Thu Jan 1 01:00:00 1970

diff -u --recursive --new-file v2.2.16/drivers/sound/emu10k1/cardmi.c linux/drivers/sound/emu10k1/cardmi.c
@@ -0,0 +1,818 @@
+
+/*
+ **********************************************************************
+ *     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/malloc.h>
+#include <linux/sched.h>
+
+#include "hwaccess.h"
+#include "8010.h"
+#include "cardmi.h"
+#include "irqmgr.h"
+
+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 CTSTATUS_INUSE;
+
+	/* 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 CTSTATUS_SUCCESS;
+}
+
+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 CTSTATUS_ERROR;
+	}
+
+	/* Disable RX interrupt */
+	emu10k1_irq_disable(card, INTE_MIDIRXENABLE);
+
+	emu10k1_mpu_release(card);
+
+	card_mpuin->status |= FLAGS_AVAILABLE;	/* set */
+	card_mpuin->status &= ~FLAGS_MIDM_STARTED;	/* clear */
+
+	return CTSTATUS_SUCCESS;
+}
+
+/* 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 = (struct midi_queue *) kmalloc(sizeof(struct midi_queue), GFP_ATOMIC)) == NULL) {
+		/* Message lost */
+		return CTSTATUS_ERROR;
+	}
+
+	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 CTSTATUS_SUCCESS;
+}
+
+/* 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) == CTSTATUS_SUCCESS);
+
+		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, INTE_MIDIRXENABLE);
+	}
+
+	return CTSTATUS_SUCCESS;
+}
+
+/* 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, 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 CTSTATUS_SUCCESS;
+}
+
+/* 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, 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 CTSTATUS_SUCCESS;
+}
+
+/* Passes the message with the data back to the client          */
+
+/* via IRQ & DPC callbacks to Ring 3                            */
+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 CTSTATUS_SUCCESS;
+}
+
+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) == CTSTATUS_SUCCESS) {
+			++count;
+			card_mpuin->midiq[idx].data = MPUIvalue;
+			card_mpuin->midiq[idx].timein = (jiffies * 1000) / HZ;
+			idx = (idx + 1) % MIDIIN_MAX_BUFFER_SIZE;
+		} else {
+			break;
+		}
+	}
+
+	if (count) {
+		card_mpuin->qtail = idx;
+
+		tasklet_hi_schedule(&card_mpuin->tasklet);
+	}
+
+	return CTSTATUS_SUCCESS;
+}
+
+/*****************************************************************************/
+
+/*   Supporting functions for Midi-In Interpretation State Machine           */
+
+/*****************************************************************************/
+
+/* FIXME: This should be a macro */
+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 CTSTATUS_SUCCESS;
+}
+
+/* FIXME: This should be a macro */
+int sblive_miStateEntry(struct emu10k1_mpuin *card_mpuin, u8 data)
+{
+	return midistatefn[card_mpuin->curstate].Fn(card_mpuin, data);
+}
+
+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 CTSTATUS_ERROR;
+
+		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 CTSTATUS_ERROR;
+	}
+
+	return midistatefn[card_mpuin->curstate].Fn(card_mpuin, data);
+}
+
+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);
+}
+
+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 CTSTATUS_ERROR;
+	}
+
+	card_mpuin->data = data;
+	card_mpuin->curstate = STIN_3BYTE_VEL;
+
+	return CTSTATUS_NEXT_BYTE;
+}
+
+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 CTSTATUS_ERROR;
+	}
+
+	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 CTSTATUS_SUCCESS;
+}
+
+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);
+}
+
+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 CTSTATUS_ERROR;
+	}
+
+	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 CTSTATUS_SUCCESS;
+}
+
+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;
+}
+
+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 CTSTATUS_ERROR;
+	}
+
+	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 CTSTATUS_SUCCESS;
+}
+
+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;
+}
+
+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 CTSTATUS_ERROR;
+	}
+
+	card_mpuin->data = data;
+	card_mpuin->curstate = STIN_SYS_COMMON_3_VEL;
+
+	return CTSTATUS_NEXT_BYTE;
+}
+
+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 CTSTATUS_ERROR;
+	}
+
+	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 CTSTATUS_SUCCESS;
+}
+
+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 CTSTATUS_ERROR;
+	}
+
+	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 CTSTATUS_SUCCESS;
+	}
+
+	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;
+}
+
+int sblive_miStateSysReal(struct emu10k1_mpuin *card_mpuin, u8 data)
+{
+	emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATA, data, 1);
+
+	return CTSTATUS_NEXT_BYTE;
+}