Linux 3.8-rc7
[cris-mirror.git] / sound / pci / cs46xx / cs46xx.c
blob6b0d8b50a305d4a632f6702a7a445c2febdc3733
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 <linux/pci.h>
29 #include <linux/time.h>
30 #include <linux/init.h>
31 #include <linux/module.h>
32 #include <sound/core.h>
33 #include "cs46xx.h"
34 #include <sound/initval.h>
36 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
37 MODULE_DESCRIPTION("Cirrus Logic Sound Fusion CS46XX");
38 MODULE_LICENSE("GPL");
39 MODULE_SUPPORTED_DEVICE("{{Cirrus Logic,Sound Fusion (CS4280)},"
40 "{Cirrus Logic,Sound Fusion (CS4610)},"
41 "{Cirrus Logic,Sound Fusion (CS4612)},"
42 "{Cirrus Logic,Sound Fusion (CS4615)},"
43 "{Cirrus Logic,Sound Fusion (CS4622)},"
44 "{Cirrus Logic,Sound Fusion (CS4624)},"
45 "{Cirrus Logic,Sound Fusion (CS4630)}}");
47 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
48 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
49 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
50 static bool external_amp[SNDRV_CARDS];
51 static bool thinkpad[SNDRV_CARDS];
52 static bool mmap_valid[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
54 module_param_array(index, int, NULL, 0444);
55 MODULE_PARM_DESC(index, "Index value for the CS46xx soundcard.");
56 module_param_array(id, charp, NULL, 0444);
57 MODULE_PARM_DESC(id, "ID string for the CS46xx soundcard.");
58 module_param_array(enable, bool, NULL, 0444);
59 MODULE_PARM_DESC(enable, "Enable CS46xx soundcard.");
60 module_param_array(external_amp, bool, NULL, 0444);
61 MODULE_PARM_DESC(external_amp, "Force to enable external amplifer.");
62 module_param_array(thinkpad, bool, NULL, 0444);
63 MODULE_PARM_DESC(thinkpad, "Force to enable Thinkpad's CLKRUN control.");
64 module_param_array(mmap_valid, bool, NULL, 0444);
65 MODULE_PARM_DESC(mmap_valid, "Support OSS mmap.");
67 static DEFINE_PCI_DEVICE_TABLE(snd_cs46xx_ids) = {
68 { PCI_VDEVICE(CIRRUS, 0x6001), 0, }, /* CS4280 */
69 { PCI_VDEVICE(CIRRUS, 0x6003), 0, }, /* CS4612 */
70 { PCI_VDEVICE(CIRRUS, 0x6004), 0, }, /* CS4615 */
71 { 0, }
74 MODULE_DEVICE_TABLE(pci, snd_cs46xx_ids);
76 static int snd_card_cs46xx_probe(struct pci_dev *pci,
77 const struct pci_device_id *pci_id)
79 static int dev;
80 struct snd_card *card;
81 struct snd_cs46xx *chip;
82 int err;
84 if (dev >= SNDRV_CARDS)
85 return -ENODEV;
86 if (!enable[dev]) {
87 dev++;
88 return -ENOENT;
91 err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
92 if (err < 0)
93 return err;
94 if ((err = snd_cs46xx_create(card, pci,
95 external_amp[dev], thinkpad[dev],
96 &chip)) < 0) {
97 snd_card_free(card);
98 return err;
100 card->private_data = chip;
101 chip->accept_valid = mmap_valid[dev];
102 if ((err = snd_cs46xx_pcm(chip, 0, NULL)) < 0) {
103 snd_card_free(card);
104 return err;
106 #ifdef CONFIG_SND_CS46XX_NEW_DSP
107 if ((err = snd_cs46xx_pcm_rear(chip,1, NULL)) < 0) {
108 snd_card_free(card);
109 return err;
111 if ((err = snd_cs46xx_pcm_iec958(chip,2,NULL)) < 0) {
112 snd_card_free(card);
113 return err;
115 #endif
116 if ((err = snd_cs46xx_mixer(chip, 2)) < 0) {
117 snd_card_free(card);
118 return err;
120 #ifdef CONFIG_SND_CS46XX_NEW_DSP
121 if (chip->nr_ac97_codecs ==2) {
122 if ((err = snd_cs46xx_pcm_center_lfe(chip,3,NULL)) < 0) {
123 snd_card_free(card);
124 return err;
127 #endif
128 if ((err = snd_cs46xx_midi(chip, 0, NULL)) < 0) {
129 snd_card_free(card);
130 return err;
132 if ((err = snd_cs46xx_start_dsp(chip)) < 0) {
133 snd_card_free(card);
134 return err;
138 snd_cs46xx_gameport(chip);
140 strcpy(card->driver, "CS46xx");
141 strcpy(card->shortname, "Sound Fusion CS46xx");
142 sprintf(card->longname, "%s at 0x%lx/0x%lx, irq %i",
143 card->shortname,
144 chip->ba0_addr,
145 chip->ba1_addr,
146 chip->irq);
148 if ((err = snd_card_register(card)) < 0) {
149 snd_card_free(card);
150 return err;
153 pci_set_drvdata(pci, card);
154 dev++;
155 return 0;
158 static void snd_card_cs46xx_remove(struct pci_dev *pci)
160 snd_card_free(pci_get_drvdata(pci));
161 pci_set_drvdata(pci, NULL);
164 static struct pci_driver cs46xx_driver = {
165 .name = KBUILD_MODNAME,
166 .id_table = snd_cs46xx_ids,
167 .probe = snd_card_cs46xx_probe,
168 .remove = snd_card_cs46xx_remove,
169 #ifdef CONFIG_PM_SLEEP
170 .driver = {
171 .pm = &snd_cs46xx_pm,
173 #endif
176 module_pci_driver(cs46xx_driver);