You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
832 lines
20 KiB
832 lines
20 KiB
/*
|
|
**********************************************************************
|
|
* 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;
|
|
}
|
|
|