xref: /openbmc/linux/sound/pci/cs46xx/cs46xx.c (revision 6d99a79c)
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/module.h>
32 #include <sound/core.h>
33 #include "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 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};
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 amplifier.");
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 const 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 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_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
92 			   0, &card);
93 	if (err < 0)
94 		return err;
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;
100 	}
101 	card->private_data = chip;
102 	chip->accept_valid = mmap_valid[dev];
103 	if ((err = snd_cs46xx_pcm(chip, 0)) < 0) {
104 		snd_card_free(card);
105 		return err;
106 	}
107 #ifdef CONFIG_SND_CS46XX_NEW_DSP
108 	if ((err = snd_cs46xx_pcm_rear(chip, 1)) < 0) {
109 		snd_card_free(card);
110 		return err;
111 	}
112 	if ((err = snd_cs46xx_pcm_iec958(chip, 2)) < 0) {
113 		snd_card_free(card);
114 		return err;
115 	}
116 #endif
117 	if ((err = snd_cs46xx_mixer(chip, 2)) < 0) {
118 		snd_card_free(card);
119 		return err;
120 	}
121 #ifdef CONFIG_SND_CS46XX_NEW_DSP
122 	if (chip->nr_ac97_codecs ==2) {
123 		if ((err = snd_cs46xx_pcm_center_lfe(chip, 3)) < 0) {
124 			snd_card_free(card);
125 			return err;
126 		}
127 	}
128 #endif
129 	if ((err = snd_cs46xx_midi(chip, 0)) < 0) {
130 		snd_card_free(card);
131 		return err;
132 	}
133 	if ((err = snd_cs46xx_start_dsp(chip)) < 0) {
134 		snd_card_free(card);
135 		return err;
136 	}
137 
138 
139 	snd_cs46xx_gameport(chip);
140 
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);
148 
149 	if ((err = snd_card_register(card)) < 0) {
150 		snd_card_free(card);
151 		return err;
152 	}
153 
154 	pci_set_drvdata(pci, card);
155 	dev++;
156 	return 0;
157 }
158 
159 static void snd_card_cs46xx_remove(struct pci_dev *pci)
160 {
161 	snd_card_free(pci_get_drvdata(pci));
162 }
163 
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,
172 	},
173 #endif
174 };
175 
176 module_pci_driver(cs46xx_driver);
177