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-rw-r--r--sound/oss/mpu401.c1804
1 files changed, 0 insertions, 1804 deletions
diff --git a/sound/oss/mpu401.c b/sound/oss/mpu401.c
deleted file mode 100644
index 20e8fa46f647..000000000000
--- a/sound/oss/mpu401.c
+++ /dev/null
@@ -1,1804 +0,0 @@
-/*
- * sound/oss/mpu401.c
- *
- * The low level driver for Roland MPU-401 compatible Midi cards.
- */
-/*
- * Copyright (C) by Hannu Savolainen 1993-1997
- *
- * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
- * Version 2 (June 1991). See the "COPYING" file distributed with this software
- * for more info.
- *
- *
- * Thomas Sailer ioctl code reworked (vmalloc/vfree removed)
- * Alan Cox modularisation, use normal request_irq, use dev_id
- * Bartlomiej Zolnierkiewicz removed some __init to allow using many drivers
- * Chris Rankin Update the module-usage counter for the coprocessor
- * Zwane Mwaikambo Changed attach/unload resource freeing
- */
-
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/spinlock.h>
-#define USE_SEQ_MACROS
-#define USE_SIMPLE_MACROS
-
-#include "sound_config.h"
-
-#include "coproc.h"
-#include "mpu401.h"
-
-static int timer_mode = TMR_INTERNAL, timer_caps = TMR_INTERNAL;
-
-struct mpu_config
-{
- int base; /*
- * I/O base
- */
- int irq;
- int opened; /*
- * Open mode
- */
- int devno;
- int synthno;
- int uart_mode;
- int initialized;
- int mode;
-#define MODE_MIDI 1
-#define MODE_SYNTH 2
- unsigned char version, revision;
- unsigned int capabilities;
-#define MPU_CAP_INTLG 0x10000000
-#define MPU_CAP_SYNC 0x00000010
-#define MPU_CAP_FSK 0x00000020
-#define MPU_CAP_CLS 0x00000040
-#define MPU_CAP_SMPTE 0x00000080
-#define MPU_CAP_2PORT 0x00000001
- int timer_flag;
-
-#define MBUF_MAX 10
-#define BUFTEST(dc) if (dc->m_ptr >= MBUF_MAX || dc->m_ptr < 0) \
- {printk( "MPU: Invalid buffer pointer %d/%d, s=%d\n", dc->m_ptr, dc->m_left, dc->m_state);dc->m_ptr--;}
- int m_busy;
- unsigned char m_buf[MBUF_MAX];
- int m_ptr;
- int m_state;
- int m_left;
- unsigned char last_status;
- void (*inputintr) (int dev, unsigned char data);
- int shared_irq;
- int *osp;
- spinlock_t lock;
- };
-
-#define DATAPORT(base) (base)
-#define COMDPORT(base) (base+1)
-#define STATPORT(base) (base+1)
-
-
-static void mpu401_close(int dev);
-
-static inline int mpu401_status(struct mpu_config *devc)
-{
- return inb(STATPORT(devc->base));
-}
-
-#define input_avail(devc) (!(mpu401_status(devc)&INPUT_AVAIL))
-#define output_ready(devc) (!(mpu401_status(devc)&OUTPUT_READY))
-
-static inline void write_command(struct mpu_config *devc, unsigned char cmd)
-{
- outb(cmd, COMDPORT(devc->base));
-}
-
-static inline int read_data(struct mpu_config *devc)
-{
- return inb(DATAPORT(devc->base));
-}
-
-static inline void write_data(struct mpu_config *devc, unsigned char byte)
-{
- outb(byte, DATAPORT(devc->base));
-}
-
-#define OUTPUT_READY 0x40
-#define INPUT_AVAIL 0x80
-#define MPU_ACK 0xFE
-#define MPU_RESET 0xFF
-#define UART_MODE_ON 0x3F
-
-static struct mpu_config dev_conf[MAX_MIDI_DEV];
-
-static int n_mpu_devs;
-
-static int reset_mpu401(struct mpu_config *devc);
-static void set_uart_mode(int dev, struct mpu_config *devc, int arg);
-
-static int mpu_timer_init(int midi_dev);
-static void mpu_timer_interrupt(void);
-static void timer_ext_event(struct mpu_config *devc, int event, int parm);
-
-static struct synth_info mpu_synth_info_proto = {
- "MPU-401 MIDI interface",
- 0,
- SYNTH_TYPE_MIDI,
- MIDI_TYPE_MPU401,
- 0, 128,
- 0, 128,
- SYNTH_CAP_INPUT
-};
-
-static struct synth_info mpu_synth_info[MAX_MIDI_DEV];
-
-/*
- * States for the input scanner
- */
-
-#define ST_INIT 0 /* Ready for timing byte or msg */
-#define ST_TIMED 1 /* Leading timing byte rcvd */
-#define ST_DATABYTE 2 /* Waiting for (nr_left) data bytes */
-
-#define ST_SYSMSG 100 /* System message (sysx etc). */
-#define ST_SYSEX 101 /* System exclusive msg */
-#define ST_MTC 102 /* Midi Time Code (MTC) qframe msg */
-#define ST_SONGSEL 103 /* Song select */
-#define ST_SONGPOS 104 /* Song position pointer */
-
-static unsigned char len_tab[] = /* # of data bytes following a status
- */
-{
- 2, /* 8x */
- 2, /* 9x */
- 2, /* Ax */
- 2, /* Bx */
- 1, /* Cx */
- 1, /* Dx */
- 2, /* Ex */
- 0 /* Fx */
-};
-
-#define STORE(cmd) \
-{ \
- int len; \
- unsigned char obuf[8]; \
- cmd; \
- seq_input_event(obuf, len); \
-}
-
-#define _seqbuf obuf
-#define _seqbufptr 0
-#define _SEQ_ADVBUF(x) len=x
-
-static int mpu_input_scanner(struct mpu_config *devc, unsigned char midic)
-{
-
- switch (devc->m_state)
- {
- case ST_INIT:
- switch (midic)
- {
- case 0xf8:
- /* Timer overflow */
- break;
-
- case 0xfc:
- printk("<all end>");
- break;
-
- case 0xfd:
- if (devc->timer_flag)
- mpu_timer_interrupt();
- break;
-
- case 0xfe:
- return MPU_ACK;
-
- case 0xf0:
- case 0xf1:
- case 0xf2:
- case 0xf3:
- case 0xf4:
- case 0xf5:
- case 0xf6:
- case 0xf7:
- printk("<Trk data rq #%d>", midic & 0x0f);
- break;
-
- case 0xf9:
- printk("<conductor rq>");
- break;
-
- case 0xff:
- devc->m_state = ST_SYSMSG;
- break;
-
- default:
- if (midic <= 0xef)
- {
- /* printk( "mpu time: %d ", midic); */
- devc->m_state = ST_TIMED;
- }
- else
- printk("<MPU: Unknown event %02x> ", midic);
- }
- break;
-
- case ST_TIMED:
- {
- int msg = ((int) (midic & 0xf0) >> 4);
-
- devc->m_state = ST_DATABYTE;
-
- if (msg < 8) /* Data byte */
- {
- /* printk( "midi msg (running status) "); */
- msg = ((int) (devc->last_status & 0xf0) >> 4);
- msg -= 8;
- devc->m_left = len_tab[msg] - 1;
-
- devc->m_ptr = 2;
- devc->m_buf[0] = devc->last_status;
- devc->m_buf[1] = midic;
-
- if (devc->m_left <= 0)
- {
- devc->m_state = ST_INIT;
- do_midi_msg(devc->synthno, devc->m_buf, devc->m_ptr);
- devc->m_ptr = 0;
- }
- }
- else if (msg == 0xf) /* MPU MARK */
- {
- devc->m_state = ST_INIT;
-
- switch (midic)
- {
- case 0xf8:
- /* printk( "NOP "); */
- break;
-
- case 0xf9:
- /* printk( "meas end "); */
- break;
-
- case 0xfc:
- /* printk( "data end "); */
- break;
-
- default:
- printk("Unknown MPU mark %02x\n", midic);
- }
- }
- else
- {
- devc->last_status = midic;
- /* printk( "midi msg "); */
- msg -= 8;
- devc->m_left = len_tab[msg];
-
- devc->m_ptr = 1;
- devc->m_buf[0] = midic;
-
- if (devc->m_left <= 0)
- {
- devc->m_state = ST_INIT;
- do_midi_msg(devc->synthno, devc->m_buf, devc->m_ptr);
- devc->m_ptr = 0;
- }
- }
- }
- break;
-
- case ST_SYSMSG:
- switch (midic)
- {
- case 0xf0:
- printk("<SYX>");
- devc->m_state = ST_SYSEX;
- break;
-
- case 0xf1:
- devc->m_state = ST_MTC;
- break;
-
- case 0xf2:
- devc->m_state = ST_SONGPOS;
- devc->m_ptr = 0;
- break;
-
- case 0xf3:
- devc->m_state = ST_SONGSEL;
- break;
-
- case 0xf6:
- /* printk( "tune_request\n"); */
- devc->m_state = ST_INIT;
- break;
-
- /*
- * Real time messages
- */
- case 0xf8:
- /* midi clock */
- devc->m_state = ST_INIT;
- timer_ext_event(devc, TMR_CLOCK, 0);
- break;
-
- case 0xfA:
- devc->m_state = ST_INIT;
- timer_ext_event(devc, TMR_START, 0);
- break;
-
- case 0xFB:
- devc->m_state = ST_INIT;
- timer_ext_event(devc, TMR_CONTINUE, 0);
- break;
-
- case 0xFC:
- devc->m_state = ST_INIT;
- timer_ext_event(devc, TMR_STOP, 0);
- break;
-
- case 0xFE:
- /* active sensing */
- devc->m_state = ST_INIT;
- break;
-
- case 0xff:
- /* printk( "midi hard reset"); */
- devc->m_state = ST_INIT;
- break;
-
- default:
- printk("unknown MIDI sysmsg %0x\n", midic);
- devc->m_state = ST_INIT;
- }
- break;
-
- case ST_MTC:
- devc->m_state = ST_INIT;
- printk("MTC frame %x02\n", midic);
- break;
-
- case ST_SYSEX:
- if (midic == 0xf7)
- {
- printk("<EOX>");
- devc->m_state = ST_INIT;
- }
- else
- printk("%02x ", midic);
- break;
-
- case ST_SONGPOS:
- BUFTEST(devc);
- devc->m_buf[devc->m_ptr++] = midic;
- if (devc->m_ptr == 2)
- {
- devc->m_state = ST_INIT;
- devc->m_ptr = 0;
- timer_ext_event(devc, TMR_SPP,
- ((devc->m_buf[1] & 0x7f) << 7) |
- (devc->m_buf[0] & 0x7f));
- }
- break;
-
- case ST_DATABYTE:
- BUFTEST(devc);
- devc->m_buf[devc->m_ptr++] = midic;
- if ((--devc->m_left) <= 0)
- {
- devc->m_state = ST_INIT;
- do_midi_msg(devc->synthno, devc->m_buf, devc->m_ptr);
- devc->m_ptr = 0;
- }
- break;
-
- default:
- printk("Bad state %d ", devc->m_state);
- devc->m_state = ST_INIT;
- }
- return 1;
-}
-
-static void mpu401_input_loop(struct mpu_config *devc)
-{
- unsigned long flags;
- int busy;
- int n;
-
- spin_lock_irqsave(&devc->lock,flags);
- busy = devc->m_busy;
- devc->m_busy = 1;
- spin_unlock_irqrestore(&devc->lock,flags);
-
- if (busy) /* Already inside the scanner */
- return;
-
- n = 50;
-
- while (input_avail(devc) && n-- > 0)
- {
- unsigned char c = read_data(devc);
-
- if (devc->mode == MODE_SYNTH)
- {
- mpu_input_scanner(devc, c);
- }
- else if (devc->opened & OPEN_READ && devc->inputintr != NULL)
- devc->inputintr(devc->devno, c);
- }
- devc->m_busy = 0;
-}
-
-static irqreturn_t mpuintr(int irq, void *dev_id)
-{
- struct mpu_config *devc;
- int dev = (int)(unsigned long) dev_id;
- int handled = 0;
-
- devc = &dev_conf[dev];
-
- if (input_avail(devc))
- {
- handled = 1;
- if (devc->base != 0 && (devc->opened & OPEN_READ || devc->mode == MODE_SYNTH))
- mpu401_input_loop(devc);
- else
- {
- /* Dummy read (just to acknowledge the interrupt) */
- read_data(devc);
- }
- }
- return IRQ_RETVAL(handled);
-}
-
-static int mpu401_open(int dev, int mode,
- void (*input) (int dev, unsigned char data),
- void (*output) (int dev)
-)
-{
- int err;
- struct mpu_config *devc;
- struct coproc_operations *coprocessor;
-
- if (dev < 0 || dev >= num_midis || midi_devs[dev] == NULL)
- return -ENXIO;
-
- devc = &dev_conf[dev];
-
- if (devc->opened)
- return -EBUSY;
- /*
- * Verify that the device is really running.
- * Some devices (such as Ensoniq SoundScape don't
- * work before the on board processor (OBP) is initialized
- * by downloading its microcode.
- */
-
- if (!devc->initialized)
- {
- if (mpu401_status(devc) == 0xff) /* Bus float */
- {
- printk(KERN_ERR "mpu401: Device not initialized properly\n");
- return -EIO;
- }
- reset_mpu401(devc);
- }
-
- if ( (coprocessor = midi_devs[dev]->coproc) != NULL )
- {
- if (!try_module_get(coprocessor->owner)) {
- mpu401_close(dev);
- return -ENODEV;
- }
-
- if ((err = coprocessor->open(coprocessor->devc, COPR_MIDI)) < 0)
- {
- printk(KERN_WARNING "MPU-401: Can't access coprocessor device\n");
- mpu401_close(dev);
- return err;
- }
- }
-
- set_uart_mode(dev, devc, 1);
- devc->mode = MODE_MIDI;
- devc->synthno = 0;
-
- mpu401_input_loop(devc);
-
- devc->inputintr = input;
- devc->opened = mode;
-
- return 0;
-}
-
-static void mpu401_close(int dev)
-{
- struct mpu_config *devc;
- struct coproc_operations *coprocessor;
-
- devc = &dev_conf[dev];
- if (devc->uart_mode)
- reset_mpu401(devc); /*
- * This disables the UART mode
- */
- devc->mode = 0;
- devc->inputintr = NULL;
-
- coprocessor = midi_devs[dev]->coproc;
- if (coprocessor) {
- coprocessor->close(coprocessor->devc, COPR_MIDI);
- module_put(coprocessor->owner);
- }
- devc->opened = 0;
-}
-
-static int mpu401_out(int dev, unsigned char midi_byte)
-{
- int timeout;
- unsigned long flags;
-
- struct mpu_config *devc;
-
- devc = &dev_conf[dev];
-
- /*
- * Sometimes it takes about 30000 loops before the output becomes ready
- * (After reset). Normally it takes just about 10 loops.
- */
-
- for (timeout = 30000; timeout > 0 && !output_ready(devc); timeout--);
-
- spin_lock_irqsave(&devc->lock,flags);
- if (!output_ready(devc))
- {
- printk(KERN_WARNING "mpu401: Send data timeout\n");
- spin_unlock_irqrestore(&devc->lock,flags);
- return 0;
- }
- write_data(devc, midi_byte);
- spin_unlock_irqrestore(&devc->lock,flags);
- return 1;
-}
-
-static int mpu401_command(int dev, mpu_command_rec * cmd)
-{
- int i, timeout, ok;
- unsigned long flags;
- struct mpu_config *devc;
-
- devc = &dev_conf[dev];
-
- if (devc->uart_mode) /*
- * Not possible in UART mode
- */
- {
- printk(KERN_WARNING "mpu401: commands not possible in the UART mode\n");
- return -EINVAL;
- }
- /*
- * Test for input since pending input seems to block the output.
- */
- if (input_avail(devc))
- mpu401_input_loop(devc);
-
- /*
- * Sometimes it takes about 50000 loops before the output becomes ready
- * (After reset). Normally it takes just about 10 loops.
- */
-
- timeout = 50000;
-retry:
- if (timeout-- <= 0)
- {
- printk(KERN_WARNING "mpu401: Command (0x%x) timeout\n", (int) cmd->cmd);
- return -EIO;
- }
- spin_lock_irqsave(&devc->lock,flags);
-
- if (!output_ready(devc))
- {
- spin_unlock_irqrestore(&devc->lock,flags);
- goto retry;
- }
- write_command(devc, cmd->cmd);
-
- ok = 0;
- for (timeout = 50000; timeout > 0 && !ok; timeout--)
- {
- if (input_avail(devc))
- {
- if (devc->opened && devc->mode == MODE_SYNTH)
- {
- if (mpu_input_scanner(devc, read_data(devc)) == MPU_ACK)
- ok = 1;
- }
- else
- {
- /* Device is not currently open. Use simpler method */
- if (read_data(devc) == MPU_ACK)
- ok = 1;
- }
- }
- }
- if (!ok)
- {
- spin_unlock_irqrestore(&devc->lock,flags);
- return -EIO;
- }
- if (cmd->nr_args)
- {
- for (i = 0; i < cmd->nr_args; i++)
- {
- for (timeout = 3000; timeout > 0 && !output_ready(devc); timeout--);
-
- if (!mpu401_out(dev, cmd->data[i]))
- {
- spin_unlock_irqrestore(&devc->lock,flags);
- printk(KERN_WARNING "mpu401: Command (0x%x), parm send failed.\n", (int) cmd->cmd);
- return -EIO;
- }
- }
- }
- cmd->data[0] = 0;
-
- if (cmd->nr_returns)
- {
- for (i = 0; i < cmd->nr_returns; i++)
- {
- ok = 0;
- for (timeout = 5000; timeout > 0 && !ok; timeout--)
- if (input_avail(devc))
- {
- cmd->data[i] = read_data(devc);
- ok = 1;
- }
- if (!ok)
- {
- spin_unlock_irqrestore(&devc->lock,flags);
- return -EIO;
- }
- }
- }
- spin_unlock_irqrestore(&devc->lock,flags);
- return 0;
-}
-
-static int mpu_cmd(int dev, int cmd, int data)
-{
- int ret;
-
- static mpu_command_rec rec;
-
- rec.cmd = cmd & 0xff;
- rec.nr_args = ((cmd & 0xf0) == 0xE0);
- rec.nr_returns = ((cmd & 0xf0) == 0xA0);
- rec.data[0] = data & 0xff;
-
- if ((ret = mpu401_command(dev, &rec)) < 0)
- return ret;
- return (unsigned char) rec.data[0];
-}
-
-static int mpu401_prefix_cmd(int dev, unsigned char status)
-{
- struct mpu_config *devc = &dev_conf[dev];
-
- if (devc->uart_mode)
- return 1;
-
- if (status < 0xf0)
- {
- if (mpu_cmd(dev, 0xD0, 0) < 0)
- return 0;
- return 1;
- }
- switch (status)
- {
- case 0xF0:
- if (mpu_cmd(dev, 0xDF, 0) < 0)
- return 0;
- return 1;
-
- default:
- return 0;
- }
-}
-
-static int mpu401_start_read(int dev)
-{
- return 0;
-}
-
-static int mpu401_end_read(int dev)
-{
- return 0;
-}
-
-static int mpu401_ioctl(int dev, unsigned cmd, void __user *arg)
-{
- struct mpu_config *devc;
- mpu_command_rec rec;
- int val, ret;
-
- devc = &dev_conf[dev];
- switch (cmd)
- {
- case SNDCTL_MIDI_MPUMODE:
- if (!(devc->capabilities & MPU_CAP_INTLG)) { /* No intelligent mode */
- printk(KERN_WARNING "mpu401: Intelligent mode not supported by the HW\n");
- return -EINVAL;
- }
- if (get_user(val, (int __user *)arg))
- return -EFAULT;
- set_uart_mode(dev, devc, !val);
- return 0;
-
- case SNDCTL_MIDI_MPUCMD:
- if (copy_from_user(&rec, arg, sizeof(rec)))
- return -EFAULT;
- if ((ret = mpu401_command(dev, &rec)) < 0)
- return ret;
- if (copy_to_user(arg, &rec, sizeof(rec)))
- return -EFAULT;
- return 0;
-
- default:
- return -EINVAL;
- }
-}
-
-static void mpu401_kick(int dev)
-{
-}
-
-static int mpu401_buffer_status(int dev)
-{
- return 0; /*
- * No data in buffers
- */
-}
-
-static int mpu_synth_ioctl(int dev, unsigned int cmd, void __user *arg)
-{
- int midi_dev;
- struct mpu_config *devc;
-
- midi_dev = synth_devs[dev]->midi_dev;
-
- if (midi_dev < 0 || midi_dev >= num_midis || midi_devs[midi_dev] == NULL)
- return -ENXIO;
-
- devc = &dev_conf[midi_dev];
-
- switch (cmd)
- {
-
- case SNDCTL_SYNTH_INFO:
- if (copy_to_user(arg, &mpu_synth_info[midi_dev],
- sizeof(struct synth_info)))
- return -EFAULT;
- return 0;
-
- case SNDCTL_SYNTH_MEMAVL:
- return 0x7fffffff;
-
- default:
- return -EINVAL;
- }
-}
-
-static int mpu_synth_open(int dev, int mode)
-{
- int midi_dev, err;
- struct mpu_config *devc;
- struct coproc_operations *coprocessor;
-
- midi_dev = synth_devs[dev]->midi_dev;
-
- if (midi_dev < 0 || midi_dev > num_midis || midi_devs[midi_dev] == NULL)
- return -ENXIO;
-
- devc = &dev_conf[midi_dev];
-
- /*
- * Verify that the device is really running.
- * Some devices (such as Ensoniq SoundScape don't
- * work before the on board processor (OBP) is initialized
- * by downloading its microcode.
- */
-
- if (!devc->initialized)
- {
- if (mpu401_status(devc) == 0xff) /* Bus float */
- {
- printk(KERN_ERR "mpu401: Device not initialized properly\n");
- return -EIO;
- }
- reset_mpu401(devc);
- }
- if (devc->opened)
- return -EBUSY;
- devc->mode = MODE_SYNTH;
- devc->synthno = dev;
-
- devc->inputintr = NULL;
-
- coprocessor = midi_devs[midi_dev]->coproc;
- if (coprocessor) {
- if (!try_module_get(coprocessor->owner))
- return -ENODEV;
-
- if ((err = coprocessor->open(coprocessor->devc, COPR_MIDI)) < 0)
- {
- printk(KERN_WARNING "mpu401: Can't access coprocessor device\n");
- return err;
- }
- }
- devc->opened = mode;
- reset_mpu401(devc);
-
- if (mode & OPEN_READ)
- {
- mpu_cmd(midi_dev, 0x8B, 0); /* Enable data in stop mode */
- mpu_cmd(midi_dev, 0x34, 0); /* Return timing bytes in stop mode */
- mpu_cmd(midi_dev, 0x87, 0); /* Enable pitch & controller */
- }
- return 0;
-}
-
-static void mpu_synth_close(int dev)
-{
- int midi_dev;
- struct mpu_config *devc;
- struct coproc_operations *coprocessor;
-
- midi_dev = synth_devs[dev]->midi_dev;
-
- devc = &dev_conf[midi_dev];
- mpu_cmd(midi_dev, 0x15, 0); /* Stop recording, playback and MIDI */
- mpu_cmd(midi_dev, 0x8a, 0); /* Disable data in stopped mode */
-
- devc->inputintr = NULL;
-
- coprocessor = midi_devs[midi_dev]->coproc;
- if (coprocessor) {
- coprocessor->close(coprocessor->devc, COPR_MIDI);
- module_put(coprocessor->owner);
- }
- devc->opened = 0;
- devc->mode = 0;
-}
-
-#define MIDI_SYNTH_NAME "MPU-401 UART Midi"
-#define MIDI_SYNTH_CAPS SYNTH_CAP_INPUT
-#include "midi_synth.h"
-
-static struct synth_operations mpu401_synth_proto =
-{
- .owner = THIS_MODULE,
- .id = "MPU401",
- .info = NULL,
- .midi_dev = 0,
- .synth_type = SYNTH_TYPE_MIDI,
- .synth_subtype = 0,
- .open = mpu_synth_open,
- .close = mpu_synth_close,
- .ioctl = mpu_synth_ioctl,
- .kill_note = midi_synth_kill_note,
- .start_note = midi_synth_start_note,
- .set_instr = midi_synth_set_instr,
- .reset = midi_synth_reset,
- .hw_control = midi_synth_hw_control,
- .load_patch = midi_synth_load_patch,
- .aftertouch = midi_synth_aftertouch,
- .controller = midi_synth_controller,
- .panning = midi_synth_panning,
- .bender = midi_synth_bender,
- .setup_voice = midi_synth_setup_voice,
- .send_sysex = midi_synth_send_sysex
-};
-
-static struct synth_operations *mpu401_synth_operations[MAX_MIDI_DEV];
-
-static struct midi_operations mpu401_midi_proto =
-{
- .owner = THIS_MODULE,
- .info = {"MPU-401 Midi", 0, MIDI_CAP_MPU401, SNDCARD_MPU401},
- .in_info = {0},
- .open = mpu401_open,
- .close = mpu401_close,
- .ioctl = mpu401_ioctl,
- .outputc = mpu401_out,
- .start_read = mpu401_start_read,
- .end_read = mpu401_end_read,
- .kick = mpu401_kick,
- .buffer_status = mpu401_buffer_status,
- .prefix_cmd = mpu401_prefix_cmd
-};
-
-static struct midi_operations mpu401_midi_operations[MAX_MIDI_DEV];
-
-static void mpu401_chk_version(int n, struct mpu_config *devc)
-{
- int tmp;
-
- devc->version = devc->revision = 0;
-
- tmp = mpu_cmd(n, 0xAC, 0);
- if (tmp < 0)
- return;
- if ((tmp & 0xf0) > 0x20) /* Why it's larger than 2.x ??? */
- return;
- devc->version = tmp;
-
- if ((tmp = mpu_cmd(n, 0xAD, 0)) < 0) {
- devc->version = 0;
- return;
- }
- devc->revision = tmp;
-}
-
-int attach_mpu401(struct address_info *hw_config, struct module *owner)
-{
- unsigned long flags;
- char revision_char;
-
- int m, ret;
- struct mpu_config *devc;
-
- hw_config->slots[1] = -1;
- m = sound_alloc_mididev();
- if (m == -1)
- {
- printk(KERN_WARNING "MPU-401: Too many midi devices detected\n");
- ret = -ENOMEM;
- goto out_err;
- }
- devc = &dev_conf[m];
- devc->base = hw_config->io_base;
- devc->osp = hw_config->osp;
- devc->irq = hw_config->irq;
- devc->opened = 0;
- devc->uart_mode = 0;
- devc->initialized = 0;
- devc->version = 0;
- devc->revision = 0;
- devc->capabilities = 0;
- devc->timer_flag = 0;
- devc->m_busy = 0;
- devc->m_state = ST_INIT;
- devc->shared_irq = hw_config->always_detect;
- spin_lock_init(&devc->lock);
-
- if (devc->irq < 0)
- {
- devc->irq *= -1;
- devc->shared_irq = 1;
- }
-
- if (!hw_config->always_detect)
- {
- /* Verify the hardware again */
- if (!reset_mpu401(devc))
- {
- printk(KERN_WARNING "mpu401: Device didn't respond\n");
- ret = -ENODEV;
- goto out_mididev;
- }
- if (!devc->shared_irq)
- {
- if (request_irq(devc->irq, mpuintr, 0, "mpu401",
- hw_config) < 0)
- {
- printk(KERN_WARNING "mpu401: Failed to allocate IRQ%d\n", devc->irq);
- ret = -ENOMEM;
- goto out_mididev;
- }
- }
- spin_lock_irqsave(&devc->lock,flags);
- mpu401_chk_version(m, devc);
- if (devc->version == 0)
- mpu401_chk_version(m, devc);
- spin_unlock_irqrestore(&devc->lock, flags);
- }
-
- if (devc->version != 0)
- if (mpu_cmd(m, 0xC5, 0) >= 0) /* Set timebase OK */
- if (mpu_cmd(m, 0xE0, 120) >= 0) /* Set tempo OK */
- devc->capabilities |= MPU_CAP_INTLG; /* Supports intelligent mode */
-
-
- mpu401_synth_operations[m] = kmalloc(sizeof(struct synth_operations), GFP_KERNEL);
-
- if (mpu401_synth_operations[m] == NULL)
- {
- printk(KERN_ERR "mpu401: Can't allocate memory\n");
- ret = -ENOMEM;
- goto out_irq;
- }
- if (!(devc->capabilities & MPU_CAP_INTLG)) /* No intelligent mode */
- {
- memcpy((char *) mpu401_synth_operations[m],
- (char *) &std_midi_synth,
- sizeof(struct synth_operations));
- }
- else
- {
- memcpy((char *) mpu401_synth_operations[m],
- (char *) &mpu401_synth_proto,
- sizeof(struct synth_operations));
- }
- if (owner)
- mpu401_synth_operations[m]->owner = owner;
-
- memcpy((char *) &mpu401_midi_operations[m],
- (char *) &mpu401_midi_proto,
- sizeof(struct midi_operations));
-
- mpu401_midi_operations[m].converter = mpu401_synth_operations[m];
-
- memcpy((char *) &mpu_synth_info[m],
- (char *) &mpu_synth_info_proto,
- sizeof(struct synth_info));
-
- n_mpu_devs++;
-
- if (devc->version == 0x20 && devc->revision >= 0x07) /* MusicQuest interface */
- {
- int ports = (devc->revision & 0x08) ? 32 : 16;
-
- devc->capabilities |= MPU_CAP_SYNC | MPU_CAP_SMPTE |
- MPU_CAP_CLS | MPU_CAP_2PORT;
-
- revision_char = (devc->revision == 0x7f) ? 'M' : ' ';
- sprintf(mpu_synth_info[m].name, "MQX-%d%c MIDI Interface #%d",
- ports,
- revision_char,
- n_mpu_devs);
- }
- else
- {
- revision_char = devc->revision ? devc->revision + '@' : ' ';
- if ((int) devc->revision > ('Z' - '@'))
- revision_char = '+';
-
- devc->capabilities |= MPU_CAP_SYNC | MPU_CAP_FSK;
-
- if (hw_config->name)
- sprintf(mpu_synth_info[m].name, "%s (MPU401)", hw_config->name);
- else
- sprintf(mpu_synth_info[m].name,
- "MPU-401 %d.%d%c MIDI #%d",
- (int) (devc->version & 0xf0) >> 4,
- devc->version & 0x0f,
- revision_char,
- n_mpu_devs);
- }
-
- strcpy(mpu401_midi_operations[m].info.name,
- mpu_synth_info[m].name);
-
- conf_printf(mpu_synth_info[m].name, hw_config);
-
- mpu401_synth_operations[m]->midi_dev = devc->devno = m;
- mpu401_synth_operations[devc->devno]->info = &mpu_synth_info[devc->devno];
-
- if (devc->capabilities & MPU_CAP_INTLG) /* Intelligent mode */
- hw_config->slots[2] = mpu_timer_init(m);
-
- midi_devs[m] = &mpu401_midi_operations[devc->devno];
-
- if (owner)
- midi_devs[m]->owner = owner;
-
- hw_config->slots[1] = m;
- sequencer_init();
-
- return 0;
-
-out_irq:
- free_irq(devc->irq, hw_config);
-out_mididev:
- sound_unload_mididev(m);
-out_err:
- release_region(hw_config->io_base, 2);
- return ret;
-}
-
-static int reset_mpu401(struct mpu_config *devc)
-{
- unsigned long flags;
- int ok, timeout, n;
- int timeout_limit;
-
- /*
- * Send the RESET command. Try again if no success at the first time.
- * (If the device is in the UART mode, it will not ack the reset cmd).
- */
-
- ok = 0;
-
- timeout_limit = devc->initialized ? 30000 : 100000;
- devc->initialized = 1;
-
- for (n = 0; n < 2 && !ok; n++)
- {
- for (timeout = timeout_limit; timeout > 0 && !ok; timeout--)
- ok = output_ready(devc);
-
- write_command(devc, MPU_RESET); /*
- * Send MPU-401 RESET Command
- */
-
- /*
- * Wait at least 25 msec. This method is not accurate so let's make the
- * loop bit longer. Cannot sleep since this is called during boot.
- */
-
- for (timeout = timeout_limit * 2; timeout > 0 && !ok; timeout--)
- {
- spin_lock_irqsave(&devc->lock,flags);
- if (input_avail(devc))
- if (read_data(devc) == MPU_ACK)
- ok = 1;
- spin_unlock_irqrestore(&devc->lock,flags);
- }
-
- }
-
- devc->m_state = ST_INIT;
- devc->m_ptr = 0;
- devc->m_left = 0;
- devc->last_status = 0;
- devc->uart_mode = 0;
-
- return ok;
-}
-
-static void set_uart_mode(int dev, struct mpu_config *devc, int arg)
-{
- if (!arg && (devc->capabilities & MPU_CAP_INTLG))
- return;
- if ((devc->uart_mode == 0) == (arg == 0))
- return; /* Already set */
- reset_mpu401(devc); /* This exits the uart mode */
-
- if (arg)
- {
- if (mpu_cmd(dev, UART_MODE_ON, 0) < 0)
- {
- printk(KERN_ERR "mpu401: Can't enter UART mode\n");
- devc->uart_mode = 0;
- return;
- }
- }
- devc->uart_mode = arg;
-
-}
-
-int probe_mpu401(struct address_info *hw_config, struct resource *ports)
-{
- int ok = 0;
- struct mpu_config tmp_devc;
-
- tmp_devc.base = hw_config->io_base;
- tmp_devc.irq = hw_config->irq;
- tmp_devc.initialized = 0;
- tmp_devc.opened = 0;
- tmp_devc.osp = hw_config->osp;
-
- if (hw_config->always_detect)
- return 1;
-
- if (inb(hw_config->io_base + 1) == 0xff)
- {
- DDB(printk("MPU401: Port %x looks dead.\n", hw_config->io_base));
- return 0; /* Just bus float? */
- }
- ok = reset_mpu401(&tmp_devc);
-
- if (!ok)
- {
- DDB(printk("MPU401: Reset failed on port %x\n", hw_config->io_base));
- }
- return ok;
-}
-
-void unload_mpu401(struct address_info *hw_config)
-{
- void *p;
- int n=hw_config->slots[1];
-
- if (n != -1) {
- release_region(hw_config->io_base, 2);
- if (hw_config->always_detect == 0 && hw_config->irq > 0)
- free_irq(hw_config->irq, hw_config);
- p=mpu401_synth_operations[n];
- sound_unload_mididev(n);
- sound_unload_timerdev(hw_config->slots[2]);
- kfree(p);
- }
-}
-
-/*****************************************************
- * Timer stuff
- ****************************************************/
-
-static volatile int timer_initialized = 0, timer_open = 0, tmr_running = 0;
-static volatile int curr_tempo, curr_timebase, hw_timebase;
-static int max_timebase = 8; /* 8*24=192 ppqn */
-static volatile unsigned long next_event_time;
-static volatile unsigned long curr_ticks, curr_clocks;
-static unsigned long prev_event_time;
-static int metronome_mode;
-
-static unsigned long clocks2ticks(unsigned long clocks)
-{
- /*
- * The MPU-401 supports just a limited set of possible timebase values.
- * Since the applications require more choices, the driver has to
- * program the HW to do its best and to convert between the HW and
- * actual timebases.
- */
- return ((clocks * curr_timebase) + (hw_timebase / 2)) / hw_timebase;
-}
-
-static void set_timebase(int midi_dev, int val)
-{
- int hw_val;
-
- if (val < 48)
- val = 48;
- if (val > 1000)
- val = 1000;
-
- hw_val = val;
- hw_val = (hw_val + 12) / 24;
- if (hw_val > max_timebase)
- hw_val = max_timebase;
-
- if (mpu_cmd(midi_dev, 0xC0 | (hw_val & 0x0f), 0) < 0)
- {
- printk(KERN_WARNING "mpu401: Can't set HW timebase to %d\n", hw_val * 24);
- return;
- }
- hw_timebase = hw_val * 24;
- curr_timebase = val;
-
-}
-
-static void tmr_reset(struct mpu_config *devc)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&devc->lock,flags);
- next_event_time = (unsigned long) -1;
- prev_event_time = 0;
- curr_ticks = curr_clocks = 0;
- spin_unlock_irqrestore(&devc->lock,flags);
-}
-
-static void set_timer_mode(int midi_dev)
-{
- if (timer_mode & TMR_MODE_CLS)
- mpu_cmd(midi_dev, 0x3c, 0); /* Use CLS sync */
- else if (timer_mode & TMR_MODE_SMPTE)
- mpu_cmd(midi_dev, 0x3d, 0); /* Use SMPTE sync */
-
- if (timer_mode & TMR_INTERNAL)
- {
- mpu_cmd(midi_dev, 0x80, 0); /* Use MIDI sync */
- }
- else
- {
- if (timer_mode & (TMR_MODE_MIDI | TMR_MODE_CLS))
- {
- mpu_cmd(midi_dev, 0x82, 0); /* Use MIDI sync */
- mpu_cmd(midi_dev, 0x91, 0); /* Enable ext MIDI ctrl */
- }
- else if (timer_mode & TMR_MODE_FSK)
- mpu_cmd(midi_dev, 0x81, 0); /* Use FSK sync */
- }
-}
-
-static void stop_metronome(int midi_dev)
-{
- mpu_cmd(midi_dev, 0x84, 0); /* Disable metronome */
-}
-
-static void setup_metronome(int midi_dev)
-{
- int numerator, denominator;
- int clks_per_click, num_32nds_per_beat;
- int beats_per_measure;
-
- numerator = ((unsigned) metronome_mode >> 24) & 0xff;
- denominator = ((unsigned) metronome_mode >> 16) & 0xff;
- clks_per_click = ((unsigned) metronome_mode >> 8) & 0xff;
- num_32nds_per_beat = (unsigned) metronome_mode & 0xff;
- beats_per_measure = (numerator * 4) >> denominator;
-
- if (!metronome_mode)
- mpu_cmd(midi_dev, 0x84, 0); /* Disable metronome */
- else
- {
- mpu_cmd(midi_dev, 0xE4, clks_per_click);
- mpu_cmd(midi_dev, 0xE6, beats_per_measure);
- mpu_cmd(midi_dev, 0x83, 0); /* Enable metronome without accents */
- }
-}
-
-static int mpu_start_timer(int midi_dev)
-{
- struct mpu_config *devc= &dev_conf[midi_dev];
-
- tmr_reset(devc);
- set_timer_mode(midi_dev);
-
- if (tmr_running)
- return TIMER_NOT_ARMED; /* Already running */
-
- if (timer_mode & TMR_INTERNAL)
- {
- mpu_cmd(midi_dev, 0x02, 0); /* Send MIDI start */
- tmr_running = 1;
- return TIMER_NOT_ARMED;
- }
- else
- {
- mpu_cmd(midi_dev, 0x35, 0); /* Enable mode messages to PC */
- mpu_cmd(midi_dev, 0x38, 0); /* Enable sys common messages to PC */
- mpu_cmd(midi_dev, 0x39, 0); /* Enable real time messages to PC */
- mpu_cmd(midi_dev, 0x97, 0); /* Enable system exclusive messages to PC */
- }
- return TIMER_ARMED;
-}
-
-static int mpu_timer_open(int dev, int mode)
-{
- int midi_dev = sound_timer_devs[dev]->devlink;
- struct mpu_config *devc= &dev_conf[midi_dev];
-
- if (timer_open)
- return -EBUSY;
-
- tmr_reset(devc);
- curr_tempo = 50;
- mpu_cmd(midi_dev, 0xE0, 50);
- curr_timebase = hw_timebase = 120;
- set_timebase(midi_dev, 120);
- timer_open = 1;
- metronome_mode = 0;
- set_timer_mode(midi_dev);
-
- mpu_cmd(midi_dev, 0xe7, 0x04); /* Send all clocks to host */
- mpu_cmd(midi_dev, 0x95, 0); /* Enable clock to host */
-
- return 0;
-}
-
-static void mpu_timer_close(int dev)
-{
- int midi_dev = sound_timer_devs[dev]->devlink;
-
- timer_open = tmr_running = 0;
- mpu_cmd(midi_dev, 0x15, 0); /* Stop all */
- mpu_cmd(midi_dev, 0x94, 0); /* Disable clock to host */
- mpu_cmd(midi_dev, 0x8c, 0); /* Disable measure end messages to host */
- stop_metronome(midi_dev);
-}
-
-static int mpu_timer_event(int dev, unsigned char *event)
-{
- unsigned char command = event[1];
- unsigned long parm = *(unsigned int *) &event[4];
- int midi_dev = sound_timer_devs[dev]->devlink;
-
- switch (command)
- {
- case TMR_WAIT_REL:
- parm += prev_event_time;
- case TMR_WAIT_ABS:
- if (parm > 0)
- {
- long time;
-
- if (parm <= curr_ticks) /* It's the time */
- return TIMER_NOT_ARMED;
- time = parm;
- next_event_time = prev_event_time = time;
-
- return TIMER_ARMED;
- }
- break;
-
- case TMR_START:
- if (tmr_running)
- break;
- return mpu_start_timer(midi_dev);
-
- case TMR_STOP:
- mpu_cmd(midi_dev, 0x01, 0); /* Send MIDI stop */
- stop_metronome(midi_dev);
- tmr_running = 0;
- break;
-
- case TMR_CONTINUE:
- if (tmr_running)
- break;
- mpu_cmd(midi_dev, 0x03, 0); /* Send MIDI continue */
- setup_metronome(midi_dev);
- tmr_running = 1;
- break;
-
- case TMR_TEMPO:
- if (parm)
- {
- if (parm < 8)
- parm = 8;
- if (parm > 250)
- parm = 250;
- if (mpu_cmd(midi_dev, 0xE0, parm) < 0)
- printk(KERN_WARNING "mpu401: Can't set tempo to %d\n", (int) parm);
- curr_tempo = parm;
- }
- break;
-
- case TMR_ECHO:
- seq_copy_to_input(event, 8);
- break;
-
- case TMR_TIMESIG:
- if (metronome_mode) /* Metronome enabled */
- {
- metronome_mode = parm;
- setup_metronome(midi_dev);
- }
- break;
-
- default:;
- }
- return TIMER_NOT_ARMED;
-}
-
-static unsigned long mpu_timer_get_time(int dev)
-{
- if (!timer_open)
- return 0;
-
- return curr_ticks;
-}
-
-static int mpu_timer_ioctl(int dev, unsigned int command, void __user *arg)
-{
- int midi_dev = sound_timer_devs[dev]->devlink;
- int __user *p = (int __user *)arg;
-
- switch (command)
- {
- case SNDCTL_TMR_SOURCE:
- {
- int parm;
-
- if (get_user(parm, p))
- return -EFAULT;
- parm &= timer_caps;
-
- if (parm != 0)
- {
- timer_mode = parm;
-
- if (timer_mode & TMR_MODE_CLS)
- mpu_cmd(midi_dev, 0x3c, 0); /* Use CLS sync */
- else if (timer_mode & TMR_MODE_SMPTE)
- mpu_cmd(midi_dev, 0x3d, 0); /* Use SMPTE sync */
- }
- if (put_user(timer_mode, p))
- return -EFAULT;
- return timer_mode;
- }
- break;
-
- case SNDCTL_TMR_START:
- mpu_start_timer(midi_dev);
- return 0;
-
- case SNDCTL_TMR_STOP:
- tmr_running = 0;
- mpu_cmd(midi_dev, 0x01, 0); /* Send MIDI stop */
- stop_metronome(midi_dev);
- return 0;
-
- case SNDCTL_TMR_CONTINUE:
- if (tmr_running)
- return 0;
- tmr_running = 1;
- mpu_cmd(midi_dev, 0x03, 0); /* Send MIDI continue */
- return 0;
-
- case SNDCTL_TMR_TIMEBASE:
- {
- int val;
- if (get_user(val, p))
- return -EFAULT;
- if (val)
- set_timebase(midi_dev, val);
- if (put_user(curr_timebase, p))
- return -EFAULT;
- return curr_timebase;
- }
- break;
-
- case SNDCTL_TMR_TEMPO:
- {
- int val;
- int ret;
-
- if (get_user(val, p))
- return -EFAULT;
-
- if (val)
- {
- if (val < 8)
- val = 8;
- if (val > 250)
- val = 250;
- if ((ret = mpu_cmd(midi_dev, 0xE0, val)) < 0)
- {
- printk(KERN_WARNING "mpu401: Can't set tempo to %d\n", (int) val);
- return ret;
- }
- curr_tempo = val;
- }
- if (put_user(curr_tempo, p))
- return -EFAULT;
- return curr_tempo;
- }
- break;
-
- case SNDCTL_SEQ_CTRLRATE:
- {
- int val;
- if (get_user(val, p))
- return -EFAULT;
-
- if (val != 0) /* Can't change */
- return -EINVAL;
- val = ((curr_tempo * curr_timebase) + 30)/60;
- if (put_user(val, p))
- return -EFAULT;
- return val;
- }
- break;
-
- case SNDCTL_SEQ_GETTIME:
- if (put_user(curr_ticks, p))
- return -EFAULT;
- return curr_ticks;
-
- case SNDCTL_TMR_METRONOME:
- if (get_user(metronome_mode, p))
- return -EFAULT;
- setup_metronome(midi_dev);
- return 0;
-
- default:;
- }
- return -EINVAL;
-}
-
-static void mpu_timer_arm(int dev, long time)
-{
- if (time < 0)
- time = curr_ticks + 1;
- else if (time <= curr_ticks) /* It's the time */
- return;
- next_event_time = prev_event_time = time;
- return;
-}
-
-static struct sound_timer_operations mpu_timer =
-{
- .owner = THIS_MODULE,
- .info = {"MPU-401 Timer", 0},
- .priority = 10, /* Priority */
- .devlink = 0, /* Local device link */
- .open = mpu_timer_open,
- .close = mpu_timer_close,
- .event = mpu_timer_event,
- .get_time = mpu_timer_get_time,
- .ioctl = mpu_timer_ioctl,
- .arm_timer = mpu_timer_arm
-};
-
-static void mpu_timer_interrupt(void)
-{
- if (!timer_open)
- return;
-
- if (!tmr_running)
- return;
-
- curr_clocks++;
- curr_ticks = clocks2ticks(curr_clocks);
-
- if (curr_ticks >= next_event_time)
- {
- next_event_time = (unsigned long) -1;
- sequencer_timer(0);
- }
-}
-
-static void timer_ext_event(struct mpu_config *devc, int event, int parm)
-{
- int midi_dev = devc->devno;
-
- if (!devc->timer_flag)
- return;
-
- switch (event)
- {
- case TMR_CLOCK:
- printk("<MIDI clk>");
- break;
-
- case TMR_START:
- printk("Ext MIDI start\n");
- if (!tmr_running)
- {
- if (timer_mode & TMR_EXTERNAL)
- {
- tmr_running = 1;
- setup_metronome(midi_dev);
- next_event_time = 0;
- STORE(SEQ_START_TIMER());
- }
- }
- break;
-
- case TMR_STOP:
- printk("Ext MIDI stop\n");
- if (timer_mode & TMR_EXTERNAL)
- {
- tmr_running = 0;
- stop_metronome(midi_dev);
- STORE(SEQ_STOP_TIMER());
- }
- break;
-
- case TMR_CONTINUE:
- printk("Ext MIDI continue\n");
- if (timer_mode & TMR_EXTERNAL)
- {
- tmr_running = 1;
- setup_metronome(midi_dev);
- STORE(SEQ_CONTINUE_TIMER());
- }
- break;
-
- case TMR_SPP:
- printk("Songpos: %d\n", parm);
- if (timer_mode & TMR_EXTERNAL)
- {
- STORE(SEQ_SONGPOS(parm));
- }
- break;
- }
-}
-
-static int mpu_timer_init(int midi_dev)
-{
- struct mpu_config *devc;
- int n;
-
- devc = &dev_conf[midi_dev];
-
- if (timer_initialized)
- return -1; /* There is already a similar timer */
-
- timer_initialized = 1;
-
- mpu_timer.devlink = midi_dev;
- dev_conf[midi_dev].timer_flag = 1;
-
- n = sound_alloc_timerdev();
- if (n == -1)
- n = 0;
- sound_timer_devs[n] = &mpu_timer;
-
- if (devc->version < 0x20) /* Original MPU-401 */
- timer_caps = TMR_INTERNAL | TMR_EXTERNAL | TMR_MODE_FSK | TMR_MODE_MIDI;
- else
- {
- /*
- * The version number 2.0 is used (at least) by the
- * MusicQuest cards and the Roland Super-MPU.
- *
- * MusicQuest has given a special meaning to the bits of the
- * revision number. The Super-MPU returns 0.
- */
-
- if (devc->revision)
- timer_caps |= TMR_EXTERNAL | TMR_MODE_MIDI;
-
- if (devc->revision & 0x02)
- timer_caps |= TMR_MODE_CLS;
-
-
- if (devc->revision & 0x40)
- max_timebase = 10; /* Has the 216 and 240 ppqn modes */
- }
-
- timer_mode = (TMR_INTERNAL | TMR_MODE_MIDI) & timer_caps;
- return n;
-
-}
-
-EXPORT_SYMBOL(probe_mpu401);
-EXPORT_SYMBOL(attach_mpu401);
-EXPORT_SYMBOL(unload_mpu401);
-
-static struct address_info cfg;
-
-static int io = -1;
-static int irq = -1;
-
-module_param_hw(irq, int, irq, 0);
-module_param_hw(io, int, ioport, 0);
-
-static int __init init_mpu401(void)
-{
- int ret;
- /* Can be loaded either for module use or to provide functions
- to others */
- if (io != -1 && irq != -1) {
- struct resource *ports;
- cfg.irq = irq;
- cfg.io_base = io;
- ports = request_region(io, 2, "mpu401");
- if (!ports)
- return -EBUSY;
- if (probe_mpu401(&cfg, ports) == 0) {
- release_region(io, 2);
- return -ENODEV;
- }
- if ((ret = attach_mpu401(&cfg, THIS_MODULE)))
- return ret;
- }
-
- return 0;
-}
-
-static void __exit cleanup_mpu401(void)
-{
- if (io != -1 && irq != -1) {
- /* Check for use by, for example, sscape driver */
- unload_mpu401(&cfg);
- }
-}
-
-module_init(init_mpu401);
-module_exit(cleanup_mpu401);
-
-#ifndef MODULE
-static int __init setup_mpu401(char *str)
-{
- /* io, irq */
- int ints[3];
-
- str = get_options(str, ARRAY_SIZE(ints), ints);
-
- io = ints[1];
- irq = ints[2];
-
- return 1;
-}
-
-__setup("mpu401=", setup_mpu401);
-#endif
-MODULE_LICENSE("GPL");