Linux 2.6.24.5
[linux/fpc-iii.git] / sound / pci / cs46xx / cs46xx.c
blob2699cb6c2cd69df0340b52c288a9315d0965e883
1 /*
2 * The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards
3 * Copyright (c) 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
23 NOTES:
24 - sometimes the sound is metallic and sibilant, unloading and
25 reloading the module may solve this.
28 #include <sound/driver.h>
29 #include <linux/pci.h>
30 #include <linux/time.h>
31 #include <linux/init.h>
32 #include <linux/moduleparam.h>
33 #include <sound/core.h>
34 #include <sound/cs46xx.h>
35 #include <sound/initval.h>
37 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
38 MODULE_DESCRIPTION("Cirrus Logic Sound Fusion CS46XX");
39 MODULE_LICENSE("GPL");
40 MODULE_SUPPORTED_DEVICE("{{Cirrus Logic,Sound Fusion (CS4280)},"
41 "{Cirrus Logic,Sound Fusion (CS4610)},"
42 "{Cirrus Logic,Sound Fusion (CS4612)},"
43 "{Cirrus Logic,Sound Fusion (CS4615)},"
44 "{Cirrus Logic,Sound Fusion (CS4622)},"
45 "{Cirrus Logic,Sound Fusion (CS4624)},"
46 "{Cirrus Logic,Sound Fusion (CS4630)}}");
48 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
49 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
50 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
51 static int external_amp[SNDRV_CARDS];
52 static int thinkpad[SNDRV_CARDS];
53 static int mmap_valid[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
55 module_param_array(index, int, NULL, 0444);
56 MODULE_PARM_DESC(index, "Index value for the CS46xx soundcard.");
57 module_param_array(id, charp, NULL, 0444);
58 MODULE_PARM_DESC(id, "ID string for the CS46xx soundcard.");
59 module_param_array(enable, bool, NULL, 0444);
60 MODULE_PARM_DESC(enable, "Enable CS46xx soundcard.");
61 module_param_array(external_amp, bool, NULL, 0444);
62 MODULE_PARM_DESC(external_amp, "Force to enable external amplifer.");
63 module_param_array(thinkpad, bool, NULL, 0444);
64 MODULE_PARM_DESC(thinkpad, "Force to enable Thinkpad's CLKRUN control.");
65 module_param_array(mmap_valid, bool, NULL, 0444);
66 MODULE_PARM_DESC(mmap_valid, "Support OSS mmap.");
68 static struct pci_device_id snd_cs46xx_ids[] = {
69 { 0x1013, 0x6001, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* CS4280 */
70 { 0x1013, 0x6003, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* CS4612 */
71 { 0x1013, 0x6004, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* CS4615 */
72 { 0, }
75 MODULE_DEVICE_TABLE(pci, snd_cs46xx_ids);
77 static int __devinit snd_card_cs46xx_probe(struct pci_dev *pci,
78 const struct pci_device_id *pci_id)
80 static int dev;
81 struct snd_card *card;
82 struct snd_cs46xx *chip;
83 int err;
85 if (dev >= SNDRV_CARDS)
86 return -ENODEV;
87 if (!enable[dev]) {
88 dev++;
89 return -ENOENT;
92 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
93 if (card == NULL)
94 return -ENOMEM;
95 if ((err = snd_cs46xx_create(card, pci,
96 external_amp[dev], thinkpad[dev],
97 &chip)) < 0) {
98 snd_card_free(card);
99 return err;
101 card->private_data = chip;
102 chip->accept_valid = mmap_valid[dev];
103 if ((err = snd_cs46xx_pcm(chip, 0, NULL)) < 0) {
104 snd_card_free(card);
105 return err;
107 #ifdef CONFIG_SND_CS46XX_NEW_DSP
108 if ((err = snd_cs46xx_pcm_rear(chip,1, NULL)) < 0) {
109 snd_card_free(card);
110 return err;
112 if ((err = snd_cs46xx_pcm_iec958(chip,2,NULL)) < 0) {
113 snd_card_free(card);
114 return err;
116 #endif
117 if ((err = snd_cs46xx_mixer(chip, 2)) < 0) {
118 snd_card_free(card);
119 return err;
121 #ifdef CONFIG_SND_CS46XX_NEW_DSP
122 if (chip->nr_ac97_codecs ==2) {
123 if ((err = snd_cs46xx_pcm_center_lfe(chip,3,NULL)) < 0) {
124 snd_card_free(card);
125 return err;
128 #endif
129 if ((err = snd_cs46xx_midi(chip, 0, NULL)) < 0) {
130 snd_card_free(card);
131 return err;
133 if ((err = snd_cs46xx_start_dsp(chip)) < 0) {
134 snd_card_free(card);
135 return err;
139 snd_cs46xx_gameport(chip);
141 strcpy(card->driver, "CS46xx");
142 strcpy(card->shortname, "Sound Fusion CS46xx");
143 sprintf(card->longname, "%s at 0x%lx/0x%lx, irq %i",
144 card->shortname,
145 chip->ba0_addr,
146 chip->ba1_addr,
147 chip->irq);
149 if ((err = snd_card_register(card)) < 0) {
150 snd_card_free(card);
151 return err;
154 pci_set_drvdata(pci, card);
155 dev++;
156 return 0;
159 static void __devexit snd_card_cs46xx_remove(struct pci_dev *pci)
161 snd_card_free(pci_get_drvdata(pci));
162 pci_set_drvdata(pci, NULL);
165 static struct pci_driver driver = {
166 .name = "Sound Fusion CS46xx",
167 .id_table = snd_cs46xx_ids,
168 .probe = snd_card_cs46xx_probe,
169 .remove = __devexit_p(snd_card_cs46xx_remove),
170 #ifdef CONFIG_PM
171 .suspend = snd_cs46xx_suspend,
172 .resume = snd_cs46xx_resume,
173 #endif
176 static int __init alsa_card_cs46xx_init(void)
178 return pci_register_driver(&driver);
181 static void __exit alsa_card_cs46xx_exit(void)
183 pci_unregister_driver(&driver);
186 module_init(alsa_card_cs46xx_init)
187 module_exit(alsa_card_cs46xx_exit)