4 * PnP soundcard support (Linux spesific)
6 * Copyright by Hannu Savolainen 1995
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
10 * met: 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer. 2.
12 * Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
23 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <i386/isa/sound/sound_config.h>
32 * XXX check what to use in place of CONFIG_PNP
34 #if (NSND > 0) && defined(CONFIG_PNP)
36 #include <linux/pnp.h>
38 static struct pnp_sounddev *pnp_devs[20] = { NULL };
40 static int max_pnpdevs = 20;
41 static int nr_pnpdevs = 0;
42 static int pnp_sig = 0;
45 install_pnp_sounddrv(struct pnp_sounddev * drv)
47 if (nr_pnpdevs < max_pnpdevs) {
48 pnp_devs[nr_pnpdevs++] = drv;
50 printf("Sound: More than 20 PnP drivers defined\n");
54 cs4232_pnp(void *parm)
56 struct pnp_dev *dev = (struct pnp_dev *) parm;
59 int portmask = 0x00, irqmask = 0x01, dmamask = 0x03;
60 int opl3_driver, wss_driver;
62 printf("CS4232 driver waking up\n");
64 if (dev->card && dev->card->name)
65 name = dev->card->name;
69 if ((wss_driver = sndtable_identify_card("AD1848")))
70 portmask |= 0x01; /* MSS */
72 printf("Sound: MSS/WSS device detected but no driver enabled\n");
74 if ((opl3_driver = sndtable_identify_card("OPL3")))
75 portmask |= 0x02; /* OPL3 */
77 printf("Sound: OPL3/4 device detected but no driver enabled\n");
79 printf("WSS driver %d, OPL3 driver %d\n", wss_driver, opl3_driver);
81 if (!portmask) /* No drivers available */
84 if (!pnp_allocate_device(pnp_sig, dev, portmask, irqmask, dmamask, 0x00))
85 printf("Device activation failed\n");
87 struct address_info hw_config;
88 int wss_base, opl3_base;
92 printf("Device activation OK\n");
93 wss_base = pnp_get_port(dev, 0);
94 opl3_base = pnp_get_port(dev, 1);
95 irq = pnp_get_irq(dev, 0);
96 dma1 = pnp_get_dma(dev, 0);
97 dma2 = pnp_get_dma(dev, 1);
99 printf("I/O0 %03x\n", wss_base);
100 printf("I/O1 %03x\n", opl3_base);
101 printf("IRQ %d\n", irq);
102 printf("DMA0 %d\n", dma1);
103 printf("DMA1 %d\n", dma2);
105 if (opl3_base && opl3_driver) {
106 hw_config.io_base = opl3_base;
110 hw_config.always_detect = 0;
112 hw_config.osp = NULL;
113 hw_config.card_subtype = 0;
115 if (sndtable_probe(opl3_driver, &hw_config))
116 sndtable_init_card(opl3_driver, &hw_config);
119 if (wss_base && wss_driver) {
120 hw_config.io_base = wss_base;
122 hw_config.dma = dma1;
123 hw_config.dma2 = (dma2 == NO_DMA) ? dma1 : dma2;
124 hw_config.always_detect = 0;
125 hw_config.name = name;
126 hw_config.osp = NULL;
127 hw_config.card_subtype = 0;
129 if (sndtable_probe(wss_driver, &hw_config))
130 sndtable_init_card(wss_driver, &hw_config);
137 pnp_activate(int id, struct pnp_dev * dev)
141 for (i = 0; i < nr_pnpdevs; i++)
142 if (pnp_devs[i]->id == id) {
144 printf("PnP dev: %08x, %s\n", id, pnp_devid2asc(id));
146 pnp_devs[i]->setup((void *) dev);
155 static struct pnp_sounddev cs4232_dev =
156 {PNP_DEVID('C', 'S', 'C', 0x0000), cs4232_pnp, "CS4232"};
160 install_pnp_sounddrv(&cs4232_dev);
164 if ((pnp_sig = pnp_connect("sound")) == -1) {
165 printf("Sound: Can't connect to kernel PnP services.\n");
168 while ((dev = pnp_get_next_device(pnp_sig, dev)) != NULL) {
169 if (!pnp_activate(dev->key, dev)) {
170 /* Scan all compatible devices */
174 for (i = 0; i < dev->ncompat; i++)
175 if (pnp_activate(dev->compat_keys[i], dev))
182 sound_pnp_disconnect(void)
184 pnp_disconnect(pnp_sig);