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* sound/maui.c
*
* The low level driver for Turtle Beach Maui and Tropez.
*
* Copyright by Hannu Savolainen 1995
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer. 2.
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#define USE_SEQ_MACROS
#define USE_SIMPLE_MACROS
#include "sound_config.h"
#if defined(CONFIGURE_SOUNDCARD) && !defined(EXCLUDE_MAUI)
static int maui_base = 0x330;
static volatile int irq_ok = 0;
static sound_os_info *maui_osp;
#define HOST_DATA_PORT (maui_base + 2)
#define HOST_STAT_PORT (maui_base + 3)
#define HOST_CTRL_PORT (maui_base + 3)
#define STAT_TX_INTR 0x40
#define STAT_TX_AVAIL 0x20
#define STAT_TX_IENA 0x10
#define STAT_RX_INTR 0x04
#define STAT_RX_AVAIL 0x02
#define STAT_RX_IENA 0x01
static int (*orig_load_patch) (int dev, int format, const snd_rw_buf * addr,
int offs, int count, int pmgr_flag) = NULL;
static int
maui_read (void)
{
int timeout;
for (timeout = 0; timeout < 1000000; timeout++)
{
if (inb (HOST_STAT_PORT) & STAT_RX_AVAIL)
{
return inb (HOST_DATA_PORT);
}
}
printk ("Maui: Receive timeout\n");
return -1;
}
static int
maui_write (unsigned char data)
{
int timeout;
for (timeout = 0; timeout < 10000000; timeout++)
{
if (inb (HOST_STAT_PORT) & STAT_TX_AVAIL)
{
outb (data, HOST_DATA_PORT);
return 1;
}
}
printk ("Maui: Write timeout\n");
return 0;
}
void
mauiintr (int irq, struct pt_regs *dummy)
{
irq_ok = 1;
}
int
maui_load_patch (int dev, int format, const snd_rw_buf * addr,
int offs, int count, int pmgr_flag)
{
struct sysex_info header;
unsigned long left, src_offs;
int hdr_size = (unsigned long) &header.data[0] - (unsigned long) &header;
int i;
if (format == SYSEX_PATCH) /* Handled by midi_synth.c */
return orig_load_patch (dev, format, addr, offs, count, pmgr_flag);
if (format != MAUI_PATCH)
{
printk ("Maui: Unknown patch format\n");
}
if (count < hdr_size)
{
printk ("Maui error: Patch header too short\n");
return -EINVAL;
}
count -= hdr_size;
/*
* Copy the header from user space but ignore the first bytes which have
* been transferred already.
*/
memcpy_fromfs (&((char *) &header)[offs], &((addr)[offs]), hdr_size - offs);
if (count < header.len)
{
printk ("Maui warning: Host command record too short (%d<%d)\n",
count, (int) header.len);
header.len = count;
}
left = header.len;
src_offs = 0;
for (i = 0; i < left; i++)
{
unsigned char data;
data = get_fs_byte (&((addr)[hdr_size + i]));
if (i == 0 && !(data & 0x80))
return -EINVAL;
if (maui_write (data) == -1)
return -EIO;
}
if ((i = maui_read ()) != 0x80)
{
if (i != -1)
printk ("Maui: Error status %02x\n", i);
return -EIO;
}
return 0;
}
int
probe_maui (struct address_info *hw_config)
{
int i;
int tmp1, tmp2;
if (check_region (hw_config->io_base, 8))
return 0;
maui_base = hw_config->io_base;
maui_osp = hw_config->osp;
if (snd_set_irq_handler (hw_config->irq, mauiintr, "Maui", maui_osp) < 0)
return 0;
if (!maui_write (0xCF)) /* Report hardware version */
{
snd_release_irq (hw_config->irq);
return 0;
}
if ((tmp1 = maui_read ()) == -1 || (tmp2 = maui_read ()) == -1)
{
snd_release_irq (hw_config->irq);
return 0;
}
printk ("WaveFront hardware version %d.%d\n", tmp1, tmp2);
if (!maui_write (0x9F)) /* Report firmware version */
return 0;
if ((tmp1 = maui_read ()) == -1 || (tmp2 = maui_read ()) == -1)
return 0;
printk ("WaveFront firmware version %d.%d\n", tmp1, tmp2);
if (!maui_write (0x85)) /* Report free DRAM */
return 0;
tmp1 = 0;
for (i = 0; i < 4; i++)
{
tmp1 |= maui_read () << (7 * i);
}
printk ("Available DRAM %dk\n", tmp1 / 1024);
request_region (hw_config->io_base + 2, 6, "Maui");
for (i = 0; i < 1000; i++)
if (probe_mpu401 (hw_config))
break;
return probe_mpu401 (hw_config);
}
long
attach_maui (long mem_start, struct address_info *hw_config)
{
int this_dev = num_midis;
printk (" <Maui>");
hw_config->irq *= -1;
mem_start = attach_mpu401 (mem_start, hw_config);
if (num_midis > this_dev) /* The MPU401 driver installed itself */
{
struct synth_operations *synth;
/*
* Intercept patch loading calls so that they canbe handled
* by the Maui driver.
*/
synth = midi_devs[this_dev]->converter;
if (synth != NULL)
{
orig_load_patch = synth->load_patch;
synth->load_patch = &maui_load_patch;
}
else
printk ("Maui: Can't install patch loader\n");
}
return mem_start;
}
void
unload_maui (struct address_info *hw_config)
{
int irq = hw_config->irq;
release_region (hw_config->io_base + 2, 6);
unload_mpu401 (hw_config);
if (irq < 0)
irq = -irq;
if (irq > 0)
snd_release_irq (irq);
}
#endif
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