3 card-es968.c - driver for ESS AudioDrive ES968 based soundcards.
4 Copyright (C) 1999 by Massimo Piccioni <dafastidio@libero.it>
6 Thanks to Pierfrancesco 'qM2' Passerini.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include <sound/driver.h>
24 #include <linux/init.h>
25 #include <linux/time.h>
26 #include <linux/pnp.h>
27 #include <sound/core.h>
29 #include <sound/initval.h>
36 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
37 MODULE_DESCRIPTION("ESS AudioDrive ES968");
38 MODULE_LICENSE("GPL");
39 MODULE_CLASSES("{sound}");
40 MODULE_DEVICES("{{ESS,AudioDrive ES968}}");
42 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
43 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
44 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
45 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
46 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* Pnp setup */
47 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* PnP setup */
49 MODULE_PARM(index, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
50 MODULE_PARM_DESC(index, "Index value for es968 based soundcard.");
51 MODULE_PARM_SYNTAX(index, SNDRV_INDEX_DESC);
52 MODULE_PARM(id, "1-" __MODULE_STRING(SNDRV_CARDS) "s");
53 MODULE_PARM_DESC(id, "ID string for es968 based soundcard.");
54 MODULE_PARM_SYNTAX(id, SNDRV_ID_DESC);
55 MODULE_PARM(enable, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
56 MODULE_PARM_DESC(enable, "Enable es968 based soundcard.");
57 MODULE_PARM_SYNTAX(enable, SNDRV_ENABLE_DESC);
58 MODULE_PARM(port, "1-" __MODULE_STRING(SNDRV_CARDS) "l");
59 MODULE_PARM_DESC(port, "Port # for es968 driver.");
60 MODULE_PARM_SYNTAX(port, SNDRV_PORT12_DESC);
61 MODULE_PARM(irq, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
62 MODULE_PARM_DESC(irq, "IRQ # for es968 driver.");
63 MODULE_PARM_SYNTAX(irq, SNDRV_IRQ_DESC);
64 MODULE_PARM(dma8, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
65 MODULE_PARM_DESC(dma8, "8-bit DMA # for es968 driver.");
66 MODULE_PARM_SYNTAX(dma8, SNDRV_DMA8_DESC);
68 struct snd_card_es968 {
72 static struct pnp_card_device_id snd_es968_pnpids[] = {
73 { .id = "ESS0968", .devs = { { "@@@0968" }, } },
74 { .id = "", } /* end */
77 MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids);
79 #define DRIVER_NAME "snd-card-es968"
81 static irqreturn_t snd_card_es968_interrupt(int irq, void *dev_id,
84 sb_t *chip = snd_magic_cast(sb_t, dev_id, return IRQ_NONE);
86 if (chip->open & SB_OPEN_PCM) {
87 return snd_sb8dsp_interrupt(chip);
89 return snd_sb8dsp_midi_interrupt(chip);
93 static int __devinit snd_card_es968_pnp(int dev, struct snd_card_es968 *acard,
94 struct pnp_card_link *card,
95 const struct pnp_card_device_id *id)
98 struct pnp_resource_table *cfg = kmalloc(sizeof(*cfg), GFP_KERNEL);
102 acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
103 if (acard->dev == NULL) {
110 pnp_init_resource_table(cfg);
112 /* override resources */
113 if (port[dev] != SNDRV_AUTO_PORT)
114 pnp_resource_change(&cfg->port_resource[0], port[dev], 16);
115 if (dma8[dev] != SNDRV_AUTO_DMA)
116 pnp_resource_change(&cfg->dma_resource[0], dma8[dev], 1);
117 if (irq[dev] != SNDRV_AUTO_IRQ)
118 pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1);
119 if ((pnp_manual_config_dev(pdev, cfg, 0)) < 0)
120 snd_printk(KERN_ERR PFX "AUDIO the requested resources are invalid, using auto config\n");
121 err = pnp_activate_dev(pdev);
123 snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n");
127 port[dev] = pnp_port_start(pdev, 0);
128 dma8[dev] = pnp_dma(pdev, 1);
129 irq[dev] = pnp_irq(pdev, 0);
135 static int __init snd_card_es968_probe(int dev,
136 struct pnp_card_link *pcard,
137 const struct pnp_card_device_id *pid)
142 struct snd_card_es968 *acard;
144 if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE,
145 sizeof(struct snd_card_es968))) == NULL)
147 acard = (struct snd_card_es968 *)card->private_data;
148 if ((error = snd_card_es968_pnp(dev, acard, pcard, pid))) {
152 snd_card_set_dev(card, &pcard->card->dev);
154 if ((error = snd_sbdsp_create(card, port[dev],
156 snd_card_es968_interrupt,
159 SB_HW_AUTO, &chip)) < 0) {
164 if ((error = snd_sb8dsp_pcm(chip, 0, NULL)) < 0) {
169 if ((error = snd_sbmixer_new(chip)) < 0) {
174 if ((error = snd_sb8dsp_midi(chip, 0, NULL)) < 0) {
179 strcpy(card->driver, "ES968");
180 strcpy(card->shortname, "ESS ES968");
181 sprintf(card->longname, "%s soundcard, %s at 0x%lx, irq %d, dma %d",
182 card->shortname, chip->name, chip->port, irq[dev], dma8[dev]);
184 if ((error = snd_card_register(card)) < 0) {
188 pnp_set_card_drvdata(pcard, card);
192 static int __devinit snd_es968_pnp_detect(struct pnp_card_link *card,
193 const struct pnp_card_device_id *id)
198 for ( ; dev < SNDRV_CARDS; dev++) {
201 res = snd_card_es968_probe(dev, card, id);
210 static void __devexit snd_es968_pnp_remove(struct pnp_card_link * pcard)
212 snd_card_t *card = (snd_card_t *) pnp_get_card_drvdata(pcard);
214 snd_card_disconnect(card);
215 snd_card_free_in_thread(card);
218 static struct pnp_card_driver es968_pnpc_driver = {
219 .flags = PNP_DRIVER_RES_DISABLE,
221 .id_table = snd_es968_pnpids,
222 .probe = snd_es968_pnp_detect,
223 .remove = __devexit_p(snd_es968_pnp_remove),
226 static int __init alsa_card_es968_init(void)
228 int cards = pnp_register_card_driver(&es968_pnpc_driver);
231 pnp_unregister_card_driver(&es968_pnpc_driver);
232 snd_printk(KERN_ERR "no ES968 based soundcards found\n");
235 return cards ? 0 : -ENODEV;
238 static void __exit alsa_card_es968_exit(void)
240 pnp_unregister_card_driver(&es968_pnpc_driver);
243 module_init(alsa_card_es968_init)
244 module_exit(alsa_card_es968_exit)
248 /* format is: snd-es968=enable,index,id,
251 static int __init alsa_card_es968_setup(char *str)
253 static unsigned __initdata nr_dev = 0;
255 if (nr_dev >= SNDRV_CARDS)
257 (void)(get_option(&str,&enable[nr_dev]) == 2 &&
258 get_option(&str,&index[nr_dev]) == 2 &&
259 get_id(&str,&id[nr_dev]) == 2 &&
260 get_option_long(&str,&port[nr_dev]) == 2 &&
261 get_option(&str,&irq[nr_dev]) == 2 &&
262 get_option(&str,&dma8[nr_dev]) == 2);
267 __setup("snd-es968=", alsa_card_es968_setup);
269 #endif /* ifndef MODULE */