2 * Driver for Sound Core PDAudioCF soundcard
4 * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <sound/driver.h>
22 #include <sound/core.h>
23 #include <linux/slab.h>
24 #include <linux/moduleparam.h>
25 #include <pcmcia/ciscode.h>
26 #include <pcmcia/cisreg.h>
27 #include "pdaudiocf.h"
28 #include <sound/initval.h>
29 #include <linux/init.h>
34 #define CARD_NAME "PDAudio-CF"
36 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
37 MODULE_DESCRIPTION("Sound Core " CARD_NAME);
38 MODULE_LICENSE("GPL");
39 MODULE_SUPPORTED_DEVICE("{{Sound Core," CARD_NAME "}}");
41 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
42 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
43 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */
45 module_param_array(index, int, NULL, 0444);
46 MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard.");
47 module_param_array(id, charp, NULL, 0444);
48 MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard.");
49 module_param_array(enable, bool, NULL, 0444);
50 MODULE_PARM_DESC(enable, "Enable " CARD_NAME " soundcard.");
55 static struct snd_card *card_list[SNDRV_CARDS];
60 static int pdacf_config(struct pcmcia_device *link);
61 static void snd_pdacf_detach(struct pcmcia_device *p_dev);
63 static void pdacf_release(struct pcmcia_device *link)
65 pcmcia_disable_device(link);
71 static int snd_pdacf_free(struct snd_pdacf *pdacf)
73 struct pcmcia_device *link = pdacf->p_dev;
77 card_list[pdacf->index] = NULL;
84 static int snd_pdacf_dev_free(struct snd_device *device)
86 struct snd_pdacf *chip = device->device_data;
87 return snd_pdacf_free(chip);
91 * snd_pdacf_attach - attach callback for cs
93 static int snd_pdacf_probe(struct pcmcia_device *link)
96 struct snd_pdacf *pdacf;
97 struct snd_card *card;
98 static struct snd_device_ops ops = {
99 .dev_free = snd_pdacf_dev_free,
102 snd_printdd(KERN_DEBUG "pdacf_attach called\n");
103 /* find an empty slot from the card list */
104 for (i = 0; i < SNDRV_CARDS; i++) {
108 if (i >= SNDRV_CARDS) {
109 snd_printk(KERN_ERR "pdacf: too many cards found\n");
113 return -ENODEV; /* disabled explicitly */
115 /* ok, create a card instance */
116 card = snd_card_new(index[i], id[i], THIS_MODULE, 0);
118 snd_printk(KERN_ERR "pdacf: cannot create a card instance\n");
122 pdacf = snd_pdacf_create(card);
126 if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, pdacf, &ops) < 0) {
138 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
139 link->io.NumPorts1 = 16;
141 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT | IRQ_FORCED_PULSE;
142 // link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED;
144 link->irq.IRQInfo1 = 0 /* | IRQ_LEVEL_ID */;
145 link->irq.Handler = pdacf_interrupt;
146 link->irq.Instance = pdacf;
147 link->conf.Attributes = CONF_ENABLE_IRQ;
148 link->conf.IntType = INT_MEMORY_AND_IO;
149 link->conf.ConfigIndex = 1;
150 link->conf.Present = PRESENT_OPTION;
152 return pdacf_config(link);
157 * snd_pdacf_assign_resources - initialize the hardware and card instance.
158 * @port: i/o port for the card
159 * @irq: irq number for the card
161 * this function assigns the specified port and irq, boot the card,
162 * create pcm and control instances, and initialize the rest hardware.
164 * returns 0 if successful, or a negative error code.
166 static int snd_pdacf_assign_resources(struct snd_pdacf *pdacf, int port, int irq)
169 struct snd_card *card = pdacf->card;
171 snd_printdd(KERN_DEBUG "pdacf assign resources: port = 0x%x, irq = %d\n", port, irq);
174 pdacf->chip_status |= PDAUDIOCF_STAT_IS_CONFIGURED;
176 err = snd_pdacf_ak4117_create(pdacf);
180 strcpy(card->driver, "PDAudio-CF");
181 sprintf(card->shortname, "Core Sound %s", card->driver);
182 sprintf(card->longname, "%s at 0x%x, irq %i",
183 card->shortname, port, irq);
185 err = snd_pdacf_pcm_new(pdacf);
189 if ((err = snd_card_register(card)) < 0)
197 * snd_pdacf_detach - detach callback for cs
199 static void snd_pdacf_detach(struct pcmcia_device *link)
201 struct snd_pdacf *chip = link->priv;
203 snd_printdd(KERN_DEBUG "pdacf_detach called\n");
205 if (chip->chip_status & PDAUDIOCF_STAT_IS_CONFIGURED)
206 snd_pdacf_powerdown(chip);
207 chip->chip_status |= PDAUDIOCF_STAT_IS_STALE; /* to be sure */
208 snd_card_disconnect(chip->card);
209 snd_card_free_when_closed(chip->card);
213 * configuration callback
216 #define CS_CHECK(fn, ret) \
217 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
219 static int pdacf_config(struct pcmcia_device *link)
221 struct snd_pdacf *pdacf = link->priv;
222 int last_fn, last_ret;
224 snd_printdd(KERN_DEBUG "pdacf_config called\n");
225 link->conf.ConfigIndex = 0x5;
227 CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
228 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
229 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
231 if (snd_pdacf_assign_resources(pdacf, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
234 link->dev_node = &pdacf->node;
238 cs_error(link, last_fn, last_ret);
240 pcmcia_disable_device(link);
246 static int pdacf_suspend(struct pcmcia_device *link)
248 struct snd_pdacf *chip = link->priv;
250 snd_printdd(KERN_DEBUG "SUSPEND\n");
252 snd_printdd(KERN_DEBUG "snd_pdacf_suspend calling\n");
253 snd_pdacf_suspend(chip, PMSG_SUSPEND);
259 static int pdacf_resume(struct pcmcia_device *link)
261 struct snd_pdacf *chip = link->priv;
263 snd_printdd(KERN_DEBUG "RESUME\n");
264 if (pcmcia_dev_present(link)) {
266 snd_printdd(KERN_DEBUG "calling snd_pdacf_resume\n");
267 snd_pdacf_resume(chip);
270 snd_printdd(KERN_DEBUG "resume done!\n");
278 * Module entry points
280 static struct pcmcia_device_id snd_pdacf_ids[] = {
281 /* this is too general PCMCIA_DEVICE_MANF_CARD(0x015d, 0x4c45), */
282 PCMCIA_DEVICE_PROD_ID12("Core Sound","PDAudio-CF",0x396d19d2,0x71717b49),
285 MODULE_DEVICE_TABLE(pcmcia, snd_pdacf_ids);
287 static struct pcmcia_driver pdacf_cs_driver = {
288 .owner = THIS_MODULE,
290 .name = "snd-pdaudiocf",
292 .probe = snd_pdacf_probe,
293 .remove = snd_pdacf_detach,
294 .id_table = snd_pdacf_ids,
296 .suspend = pdacf_suspend,
297 .resume = pdacf_resume,
302 static int __init init_pdacf(void)
304 return pcmcia_register_driver(&pdacf_cs_driver);
307 static void __exit exit_pdacf(void)
309 pcmcia_unregister_driver(&pdacf_cs_driver);
312 module_init(init_pdacf);
313 module_exit(exit_pdacf);