summaryrefslogtreecommitdiff
path: root/sound/oss/emu10k1/cardmi.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/oss/emu10k1/cardmi.c')
-rw-r--r--sound/oss/emu10k1/cardmi.c832
1 files changed, 832 insertions, 0 deletions
diff --git a/sound/oss/emu10k1/cardmi.c b/sound/oss/emu10k1/cardmi.c
new file mode 100644
index 000000000000..0545814cc67d
--- /dev/null
+++ b/sound/oss/emu10k1/cardmi.c
@@ -0,0 +1,832 @@
+/*
+ **********************************************************************
+ * 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 = (struct midi_queue *) 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;
+}