diff options
Diffstat (limited to 'sys/i386/isa/sound/sound_pnp.c')
| -rw-r--r-- | sys/i386/isa/sound/sound_pnp.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/sys/i386/isa/sound/sound_pnp.c b/sys/i386/isa/sound/sound_pnp.c new file mode 100644 index 0000000..d3d278b --- /dev/null +++ b/sys/i386/isa/sound/sound_pnp.c @@ -0,0 +1,186 @@ +/* + * 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 |
