patch-1.3.63 linux/drivers/sound/sound_pnp.c
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- Lines: 204
- Date:
Thu Jan 1 02:00:00 1970
- Orig file:
v1.3.62/linux/drivers/sound/sound_pnp.c
- Orig date:
Tue Jan 23 21:15:48 1996
diff -u --recursive --new-file v1.3.62/linux/drivers/sound/sound_pnp.c linux/drivers/sound/sound_pnp.c
@@ -1,203 +0,0 @@
-/*
- * 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 "sound_config.h"
-
-#if 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
- printk ("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;
-
- printk ("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
- printk ("Sound: MSS/WSS device detected but no driver enabled\n");
-
- if ((opl3_driver = sndtable_identify_card ("OPL3")))
- portmask |= 0x02; /* OPL3 */
- else
- printk ("Sound: OPL3/4 device detected but no driver enabled\n");
-
- printk ("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))
- printk ("Device activation failed\n");
- else
- {
- struct address_info hw_config;
- int wss_base, opl3_base;
- int irq;
- int dma1, dma2;
-
- printk ("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);
-
- printk ("I/O0 %03x\n", wss_base);
- printk ("I/O1 %03x\n", opl3_base);
- printk ("IRQ %d\n", irq);
- printk ("DMA0 %d\n", dma1);
- printk ("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.driver_use_1 = 0;
- hw_config.driver_use_2 = 0;
- 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.driver_use_1 = 0;
- hw_config.driver_use_2 = 0;
- 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)
- {
-
- printk ("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)
- {
- printk ("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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with Sam's (original) version of this