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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Generic driver for AD1848/AD1847/CS4248 chips (0.1 Alpha)
3 * Copyright (c) by Tugrul Galatali <galatalt@stuy.edu>,
Jaroslav Kyselac1017a42007-10-15 09:50:19 +02004 * Jaroslav Kysela <perex@perex.cz>
5 * Based on card-4232.c by Jaroslav Kysela <perex@perex.cz>
Linus Torvalds1da177e2005-04-16 15:20:36 -07006 *
7 *
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.
12 *
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.
17 *
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
21 *
22 */
23
Linus Torvalds1da177e2005-04-16 15:20:36 -070024#include <linux/init.h>
Takashi Iwai68668842005-11-17 16:58:26 +010025#include <linux/err.h>
Rene Hermane2759e32007-02-14 13:22:41 +010026#include <linux/isa.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070027#include <linux/time.h>
28#include <linux/wait.h>
Paul Gortmaker65a77212011-07-15 13:13:37 -040029#include <linux/module.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070030#include <sound/core.h>
Krzysztof Helt760fc6b82008-07-31 21:10:47 +020031#include <sound/wss.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070032#include <sound/initval.h>
33
Rene Hermane2759e32007-02-14 13:22:41 +010034#define CRD_NAME "Generic AD1848/AD1847/CS4248"
35#define DEV_NAME "ad1848"
36
37MODULE_DESCRIPTION(CRD_NAME);
Jaroslav Kyselac1017a42007-10-15 09:50:19 +020038MODULE_AUTHOR("Tugrul Galatali <galatalt@stuy.edu>, Jaroslav Kysela <perex@perex.cz>");
Linus Torvalds1da177e2005-04-16 15:20:36 -070039MODULE_LICENSE("GPL");
40MODULE_SUPPORTED_DEVICE("{{Analog Devices,AD1848},"
41 "{Analog Devices,AD1847},"
42 "{Crystal Semiconductors,CS4248}}");
43
44static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
45static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
Rusty Russella67ff6a2011-12-15 13:49:36 +103046static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
Linus Torvalds1da177e2005-04-16 15:20:36 -070047static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
48static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
49static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
Rusty Russella67ff6a2011-12-15 13:49:36 +103050static bool thinkpad[SNDRV_CARDS]; /* Thinkpad special case */
Linus Torvalds1da177e2005-04-16 15:20:36 -070051
52module_param_array(index, int, NULL, 0444);
Rene Hermane2759e32007-02-14 13:22:41 +010053MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
Linus Torvalds1da177e2005-04-16 15:20:36 -070054module_param_array(id, charp, NULL, 0444);
Rene Hermane2759e32007-02-14 13:22:41 +010055MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
Linus Torvalds1da177e2005-04-16 15:20:36 -070056module_param_array(enable, bool, NULL, 0444);
Rene Hermane2759e32007-02-14 13:22:41 +010057MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
Linus Torvalds1da177e2005-04-16 15:20:36 -070058module_param_array(port, long, NULL, 0444);
Rene Hermane2759e32007-02-14 13:22:41 +010059MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
Linus Torvalds1da177e2005-04-16 15:20:36 -070060module_param_array(irq, int, NULL, 0444);
Rene Hermane2759e32007-02-14 13:22:41 +010061MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
Linus Torvalds1da177e2005-04-16 15:20:36 -070062module_param_array(dma1, int, NULL, 0444);
Rene Hermane2759e32007-02-14 13:22:41 +010063MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
Linus Torvalds1da177e2005-04-16 15:20:36 -070064module_param_array(thinkpad, bool, NULL, 0444);
65MODULE_PARM_DESC(thinkpad, "Enable only for the onboard CS4248 of IBM Thinkpad 360/750/755 series.");
66
Bill Pemberton1bff2922012-12-06 12:35:21 -050067static int snd_ad1848_match(struct device *dev, unsigned int n)
Linus Torvalds1da177e2005-04-16 15:20:36 -070068{
Rene Hermane2759e32007-02-14 13:22:41 +010069 if (!enable[n])
70 return 0;
71
72 if (port[n] == SNDRV_AUTO_PORT) {
Takashi Iwai0418ff02008-11-03 08:51:33 +010073 dev_err(dev, "please specify port\n");
Rene Hermane2759e32007-02-14 13:22:41 +010074 return 0;
75 }
76 if (irq[n] == SNDRV_AUTO_IRQ) {
Takashi Iwai0418ff02008-11-03 08:51:33 +010077 dev_err(dev, "please specify irq\n");
Rene Hermane2759e32007-02-14 13:22:41 +010078 return 0;
79 }
80 if (dma1[n] == SNDRV_AUTO_DMA) {
Takashi Iwai0418ff02008-11-03 08:51:33 +010081 dev_err(dev, "please specify dma1\n");
Rene Hermane2759e32007-02-14 13:22:41 +010082 return 0;
83 }
84 return 1;
85}
86
Bill Pemberton1bff2922012-12-06 12:35:21 -050087static int snd_ad1848_probe(struct device *dev, unsigned int n)
Rene Hermane2759e32007-02-14 13:22:41 +010088{
Takashi Iwaic8ff6642005-11-17 14:29:37 +010089 struct snd_card *card;
Krzysztof Helt241b3ee2008-07-31 21:04:37 +020090 struct snd_wss *chip;
Takashi Iwaic8ff6642005-11-17 14:29:37 +010091 struct snd_pcm *pcm;
Rene Hermane2759e32007-02-14 13:22:41 +010092 int error;
Linus Torvalds1da177e2005-04-16 15:20:36 -070093
Takashi Iwaic95eadd2008-12-28 16:43:35 +010094 error = snd_card_create(index[n], id[n], THIS_MODULE, 0, &card);
95 if (error < 0)
96 return error;
Linus Torvalds1da177e2005-04-16 15:20:36 -070097
Krzysztof Helt760fc6b82008-07-31 21:10:47 +020098 error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], -1,
99 thinkpad[n] ? WSS_HW_THINKPAD : WSS_HW_DETECT,
100 0, &chip);
Rene Hermane2759e32007-02-14 13:22:41 +0100101 if (error < 0)
102 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103
Takashi Iwai68668842005-11-17 16:58:26 +0100104 card->private_data = chip;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105
Krzysztof Heltead893c2008-07-31 21:09:32 +0200106 error = snd_wss_pcm(chip, 0, &pcm);
Rene Hermane2759e32007-02-14 13:22:41 +0100107 if (error < 0)
108 goto out;
Takashi Iwai43bcd972005-09-05 17:19:20 +0200109
Krzysztof Helt5664daa2008-07-31 21:08:32 +0200110 error = snd_wss_mixer(chip);
Rene Hermane2759e32007-02-14 13:22:41 +0100111 if (error < 0)
112 goto out;
Takashi Iwai43bcd972005-09-05 17:19:20 +0200113
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114 strcpy(card->driver, "AD1848");
115 strcpy(card->shortname, pcm->name);
116
117 sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
Rene Hermane2759e32007-02-14 13:22:41 +0100118 pcm->name, chip->port, irq[n], dma1[n]);
119 if (thinkpad[n])
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120 strcat(card->longname, " [Thinkpad]");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700121
Rene Hermane2759e32007-02-14 13:22:41 +0100122 snd_card_set_dev(card, dev);
Takashi Iwai43bcd972005-09-05 17:19:20 +0200123
Rene Hermane2759e32007-02-14 13:22:41 +0100124 error = snd_card_register(card);
125 if (error < 0)
126 goto out;
Takashi Iwai43bcd972005-09-05 17:19:20 +0200127
Rene Hermane2759e32007-02-14 13:22:41 +0100128 dev_set_drvdata(dev, card);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129 return 0;
Takashi Iwai43bcd972005-09-05 17:19:20 +0200130
Rene Hermane2759e32007-02-14 13:22:41 +0100131out: snd_card_free(card);
132 return error;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700133}
134
Bill Pemberton1bff2922012-12-06 12:35:21 -0500135static int snd_ad1848_remove(struct device *dev, unsigned int n)
Takashi Iwai68668842005-11-17 16:58:26 +0100136{
Rene Hermane2759e32007-02-14 13:22:41 +0100137 snd_card_free(dev_get_drvdata(dev));
138 dev_set_drvdata(dev, NULL);
Takashi Iwai68668842005-11-17 16:58:26 +0100139 return 0;
140}
141
142#ifdef CONFIG_PM
Rene Hermane2759e32007-02-14 13:22:41 +0100143static int snd_ad1848_suspend(struct device *dev, unsigned int n, pm_message_t state)
Takashi Iwai68668842005-11-17 16:58:26 +0100144{
Rene Hermane2759e32007-02-14 13:22:41 +0100145 struct snd_card *card = dev_get_drvdata(dev);
Krzysztof Helt241b3ee2008-07-31 21:04:37 +0200146 struct snd_wss *chip = card->private_data;
Takashi Iwai68668842005-11-17 16:58:26 +0100147
148 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
149 chip->suspend(chip);
150 return 0;
151}
152
Rene Hermane2759e32007-02-14 13:22:41 +0100153static int snd_ad1848_resume(struct device *dev, unsigned int n)
Takashi Iwai68668842005-11-17 16:58:26 +0100154{
Rene Hermane2759e32007-02-14 13:22:41 +0100155 struct snd_card *card = dev_get_drvdata(dev);
Krzysztof Helt241b3ee2008-07-31 21:04:37 +0200156 struct snd_wss *chip = card->private_data;
Takashi Iwai68668842005-11-17 16:58:26 +0100157
158 chip->resume(chip);
159 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
160 return 0;
161}
162#endif
163
Rene Hermane2759e32007-02-14 13:22:41 +0100164static struct isa_driver snd_ad1848_driver = {
165 .match = snd_ad1848_match,
Takashi Iwai68668842005-11-17 16:58:26 +0100166 .probe = snd_ad1848_probe,
Bill Pemberton1bff2922012-12-06 12:35:21 -0500167 .remove = snd_ad1848_remove,
Takashi Iwai68668842005-11-17 16:58:26 +0100168#ifdef CONFIG_PM
169 .suspend = snd_ad1848_suspend,
170 .resume = snd_ad1848_resume,
171#endif
172 .driver = {
Rene Hermane2759e32007-02-14 13:22:41 +0100173 .name = DEV_NAME
174 }
Takashi Iwai68668842005-11-17 16:58:26 +0100175};
176
Linus Torvalds1da177e2005-04-16 15:20:36 -0700177static int __init alsa_card_ad1848_init(void)
178{
Rene Hermane2759e32007-02-14 13:22:41 +0100179 return isa_register_driver(&snd_ad1848_driver, SNDRV_CARDS);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180}
181
182static void __exit alsa_card_ad1848_exit(void)
183{
Rene Hermane2759e32007-02-14 13:22:41 +0100184 isa_unregister_driver(&snd_ad1848_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185}
186
Rene Hermane2759e32007-02-14 13:22:41 +0100187module_init(alsa_card_ad1848_init);
188module_exit(alsa_card_ad1848_exit);