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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 <i386/isa/sound/sound_config.h>
#if defined(CONFIG_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, 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);
printf("Maui: Receive timeout\n");
return -1;
}
static int
maui_write(u_char data)
{
int timeout;
for (timeout = 0; timeout < 10000000; timeout++) {
if (inb(HOST_STAT_PORT) & STAT_TX_AVAIL) {
outb(HOST_DATA_PORT, data);
return 1;
}
}
printf("Maui: Write timeout\n");
return 0;
}
void
mauiintr(int irq)
{
irq_ok = 1;
}
int
maui_load_patch(int dev, int format, snd_rw_buf * addr,
int offs, int count, int pmgr_flag)
{
struct sysex_info header;
u_long left, src_offs;
int hdr_size = (u_long) &header.data[0] - (u_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) {
printf("Maui: Unknown patch format\n");
}
if (count < hdr_size) {
printf("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.
*/
if (uiomove(&((char *) &header)[offs], hdr_size - offs, addr)) {
printf("sb: Bad copyin()!\n");
};
if (count < header.len) {
printf("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++) {
u_char data;
uiomove((char *) &(data), 1, addr);
if (i == 0 && !(data & 0x80))
return -(EINVAL);
if (maui_write(data) == -1)
return -(EIO);
}
if ((i = maui_read()) != 0x80) {
if (i != -1)
printf("Maui: Error status %02x\n", i);
return -(EIO);
}
return 0;
}
int
probe_maui(struct address_info * hw_config)
{
int i;
int tmp1, tmp2;
maui_base = hw_config->io_base;
maui_osp = hw_config->osp;
if (snd_set_irq_handler(hw_config->irq, mauiintr, 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;
}
printf("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;
printf("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);
}
printf("Available DRAM %dk\n", tmp1 / 1024);
for (i = 0; i < 1000; i++)
if (probe_mpu401(hw_config))
break;
return probe_mpu401(hw_config);
}
void
attach_maui(struct address_info * hw_config)
{
int this_dev = num_midis;
conf_printf("Maui", hw_config);
hw_config->irq *= -1;
attach_mpu401(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
printf("Maui: Can't install patch loader\n");
}
return;
}
#endif
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