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/*
* sound/sound_pnp.c
*
* PnP soundcard support (Linux spesific)
*
* 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.
*
*/
#include <i386/isa/sound/sound_config.h>
/*
* XXX check what to use in place of CONFIG_PNP
*/
#if (NSND > 0) && defined(CONFIG_PNP)
#include <linux/pnp.h>
static struct pnp_sounddev *pnp_devs[20] = { NULL };
static int max_pnpdevs = 20;
static int nr_pnpdevs = 0;
static int pnp_sig = 0;
void
install_pnp_sounddrv(struct pnp_sounddev * drv)
{
if (nr_pnpdevs < max_pnpdevs) {
pnp_devs[nr_pnpdevs++] = drv;
} else
printf("Sound: More than 20 PnP drivers defined\n");
}
void
cs4232_pnp(void *parm)
{
struct pnp_dev *dev = (struct pnp_dev *) parm;
char *name;
int portmask = 0x00, irqmask = 0x01, dmamask = 0x03;
int opl3_driver, wss_driver;
printf("CS4232 driver waking up\n");
if (dev->card && dev->card->name)
name = dev->card->name;
else
name = "PnP WSS";
if ((wss_driver = sndtable_identify_card("AD1848")))
portmask |= 0x01; /* MSS */
else
printf("Sound: MSS/WSS device detected but no driver enabled\n");
if ((opl3_driver = sndtable_identify_card("OPL3")))
portmask |= 0x02; /* OPL3 */
else
printf("Sound: OPL3/4 device detected but no driver enabled\n");
printf("WSS driver %d, OPL3 driver %d\n", wss_driver, opl3_driver);
if (!portmask) /* No drivers available */
return;
if (!pnp_allocate_device(pnp_sig, dev, portmask, irqmask, dmamask, 0x00))
printf("Device activation failed\n");
else {
struct address_info hw_config;
int wss_base, opl3_base;
int irq;
int dma1, dma2;
printf("Device activation OK\n");
wss_base = pnp_get_port(dev, 0);
opl3_base = pnp_get_port(dev, 1);
irq = pnp_get_irq(dev, 0);
dma1 = pnp_get_dma(dev, 0);
dma2 = pnp_get_dma(dev, 1);
printf("I/O0 %03x\n", wss_base);
printf("I/O1 %03x\n", opl3_base);
printf("IRQ %d\n", irq);
printf("DMA0 %d\n", dma1);
printf("DMA1 %d\n", dma2);
if (opl3_base && opl3_driver) {
hw_config.io_base = opl3_base;
hw_config.irq = 0;
hw_config.dma = -1;
hw_config.dma2 = -1;
hw_config.always_detect = 0;
hw_config.name = "";
hw_config.osp = NULL;
hw_config.card_subtype = 0;
if (sndtable_probe(opl3_driver, &hw_config))
sndtable_init_card(opl3_driver, &hw_config);
}
if (wss_base && wss_driver) {
hw_config.io_base = wss_base;
hw_config.irq = irq;
hw_config.dma = dma1;
hw_config.dma2 = (dma2 == NO_DMA) ? dma1 : dma2;
hw_config.always_detect = 0;
hw_config.name = name;
hw_config.osp = NULL;
hw_config.card_subtype = 0;
if (sndtable_probe(wss_driver, &hw_config))
sndtable_init_card(wss_driver, &hw_config);
}
}
}
static int
pnp_activate(int id, struct pnp_dev * dev)
{
int i;
for (i = 0; i < nr_pnpdevs; i++)
if (pnp_devs[i]->id == id) {
printf("PnP dev: %08x, %s\n", id, pnp_devid2asc(id));
pnp_devs[i]->setup((void *) dev);
return 1;
}
return 0;
}
void
sound_pnp_init(void)
{
static struct pnp_sounddev cs4232_dev =
{PNP_DEVID('C', 'S', 'C', 0x0000), cs4232_pnp, "CS4232"};
struct pnp_dev *dev;
install_pnp_sounddrv(&cs4232_dev);
dev = NULL;
if ((pnp_sig = pnp_connect("sound")) == -1) {
printf("Sound: Can't connect to kernel PnP services.\n");
return;
}
while ((dev = pnp_get_next_device(pnp_sig, dev)) != NULL) {
if (!pnp_activate(dev->key, dev)) {
/* Scan all compatible devices */
int i;
for (i = 0; i < dev->ncompat; i++)
if (pnp_activate(dev->compat_keys[i], dev))
break;
}
}
}
void
sound_pnp_disconnect(void)
{
pnp_disconnect(pnp_sig);
}
#endif
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