xref: /openbmc/linux/sound/pci/cs46xx/cs46xx.c (revision 28d27aae)
1 /*
2  *  The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards
3  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4  *
5  *
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.
10  *
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.
15  *
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
19  *
20  */
21 
22 /*
23   NOTES:
24   - sometimes the sound is metallic and sibilant, unloading and
25     reloading the module may solve this.
26 */
27 
28 #include <linux/pci.h>
29 #include <linux/time.h>
30 #include <linux/init.h>
31 #include <linux/moduleparam.h>
32 #include <sound/core.h>
33 #include <sound/cs46xx.h>
34 #include <sound/initval.h>
35 
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)}}");
46 
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 int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
50 static int external_amp[SNDRV_CARDS];
51 static int thinkpad[SNDRV_CARDS];
52 static int mmap_valid[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
53 
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.");
66 
67 static struct pci_device_id 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, }
72 };
73 
74 MODULE_DEVICE_TABLE(pci, snd_cs46xx_ids);
75 
76 static int __devinit snd_card_cs46xx_probe(struct pci_dev *pci,
77 					   const struct pci_device_id *pci_id)
78 {
79 	static int dev;
80 	struct snd_card *card;
81 	struct snd_cs46xx *chip;
82 	int err;
83 
84 	if (dev >= SNDRV_CARDS)
85 		return -ENODEV;
86 	if (!enable[dev]) {
87 		dev++;
88 		return -ENOENT;
89 	}
90 
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;
99 	}
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;
105 	}
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;
110 	}
111 	if ((err = snd_cs46xx_pcm_iec958(chip,2,NULL)) < 0) {
112 		snd_card_free(card);
113 		return err;
114 	}
115 #endif
116 	if ((err = snd_cs46xx_mixer(chip, 2)) < 0) {
117 		snd_card_free(card);
118 		return err;
119 	}
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;
125 		}
126 	}
127 #endif
128 	if ((err = snd_cs46xx_midi(chip, 0, NULL)) < 0) {
129 		snd_card_free(card);
130 		return err;
131 	}
132 	if ((err = snd_cs46xx_start_dsp(chip)) < 0) {
133 		snd_card_free(card);
134 		return err;
135 	}
136 
137 
138 	snd_cs46xx_gameport(chip);
139 
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);
147 
148 	if ((err = snd_card_register(card)) < 0) {
149 		snd_card_free(card);
150 		return err;
151 	}
152 
153 	pci_set_drvdata(pci, card);
154 	dev++;
155 	return 0;
156 }
157 
158 static void __devexit snd_card_cs46xx_remove(struct pci_dev *pci)
159 {
160 	snd_card_free(pci_get_drvdata(pci));
161 	pci_set_drvdata(pci, NULL);
162 }
163 
164 static struct pci_driver driver = {
165 	.name = "Sound Fusion CS46xx",
166 	.id_table = snd_cs46xx_ids,
167 	.probe = snd_card_cs46xx_probe,
168 	.remove = __devexit_p(snd_card_cs46xx_remove),
169 #ifdef CONFIG_PM
170 	.suspend = snd_cs46xx_suspend,
171 	.resume = snd_cs46xx_resume,
172 #endif
173 };
174 
175 static int __init alsa_card_cs46xx_init(void)
176 {
177 	return pci_register_driver(&driver);
178 }
179 
180 static void __exit alsa_card_cs46xx_exit(void)
181 {
182 	pci_unregister_driver(&driver);
183 }
184 
185 module_init(alsa_card_cs46xx_init)
186 module_exit(alsa_card_cs46xx_exit)
187