]>
Commit | Line | Data |
---|---|---|
8cc72361 WYC |
1 | /* |
2 | * xfi linux driver. | |
3 | * | |
4 | * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. | |
5 | * | |
6 | * This source file is released under GPL v2 license (no other versions). | |
7 | * See the COPYING file included in the main directory of this source | |
8 | * distribution for the license terms and conditions. | |
9 | */ | |
10 | ||
11 | #include <linux/init.h> | |
12 | #include <linux/pci.h> | |
13 | #include <linux/moduleparam.h> | |
9fc20f03 | 14 | #include <linux/pci_ids.h> |
8cc72361 WYC |
15 | #include <sound/core.h> |
16 | #include <sound/initval.h> | |
17 | #include "ctatc.h" | |
9470195a | 18 | #include "cthardware.h" |
8cc72361 WYC |
19 | |
20 | MODULE_AUTHOR("Creative Technology Ltd"); | |
21 | MODULE_DESCRIPTION("X-Fi driver version 1.03"); | |
67fbf880 | 22 | MODULE_LICENSE("GPL v2"); |
8cc72361 WYC |
23 | MODULE_SUPPORTED_DEVICE("{{Creative Labs, Sound Blaster X-Fi}"); |
24 | ||
25 | static unsigned int reference_rate = 48000; | |
26 | static unsigned int multiple = 2; | |
aae80dc2 | 27 | MODULE_PARM_DESC(reference_rate, "Reference rate (default=48000)"); |
8cc72361 | 28 | module_param(reference_rate, uint, S_IRUGO); |
aae80dc2 | 29 | MODULE_PARM_DESC(multiple, "Rate multiplier (default=2)"); |
8cc72361 WYC |
30 | module_param(multiple, uint, S_IRUGO); |
31 | ||
32 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; | |
33 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; | |
34 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; | |
408bffd0 | 35 | static unsigned int subsystem[SNDRV_CARDS]; |
8cc72361 | 36 | |
aae80dc2 TI |
37 | module_param_array(index, int, NULL, 0444); |
38 | MODULE_PARM_DESC(index, "Index value for Creative X-Fi driver"); | |
39 | module_param_array(id, charp, NULL, 0444); | |
40 | MODULE_PARM_DESC(id, "ID string for Creative X-Fi driver"); | |
41 | module_param_array(enable, bool, NULL, 0444); | |
42 | MODULE_PARM_DESC(enable, "Enable Creative X-Fi driver"); | |
408bffd0 TI |
43 | module_param_array(subsystem, int, NULL, 0444); |
44 | MODULE_PARM_DESC(subsystem, "Override subsystem ID for Creative X-Fi driver"); | |
aae80dc2 | 45 | |
cebe41d4 | 46 | static DEFINE_PCI_DEVICE_TABLE(ct_pci_dev_ids) = { |
8cc72361 | 47 | /* only X-Fi is supported, so... */ |
9470195a TI |
48 | { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K1), |
49 | .driver_data = ATC20K1, | |
50 | }, | |
51 | { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K2), | |
52 | .driver_data = ATC20K2, | |
53 | }, | |
8cc72361 WYC |
54 | { 0, } |
55 | }; | |
56 | MODULE_DEVICE_TABLE(pci, ct_pci_dev_ids); | |
57 | ||
58 | static int __devinit | |
59 | ct_card_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) | |
60 | { | |
61 | static int dev; | |
62 | struct snd_card *card; | |
63 | struct ct_atc *atc; | |
64 | int err; | |
65 | ||
66 | if (dev >= SNDRV_CARDS) | |
67 | return -ENODEV; | |
68 | ||
69 | if (!enable[dev]) { | |
70 | dev++; | |
71 | return -ENOENT; | |
72 | } | |
73 | err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); | |
74 | if (err) | |
75 | return err; | |
76 | if ((reference_rate != 48000) && (reference_rate != 44100)) { | |
b3e0afe6 TI |
77 | printk(KERN_ERR "ctxfi: Invalid reference_rate value %u!!!\n", |
78 | reference_rate); | |
79 | printk(KERN_ERR "ctxfi: The valid values for reference_rate " | |
80 | "are 48000 and 44100, Value 48000 is assumed.\n"); | |
8cc72361 WYC |
81 | reference_rate = 48000; |
82 | } | |
83 | if ((multiple != 1) && (multiple != 2)) { | |
b3e0afe6 TI |
84 | printk(KERN_ERR "ctxfi: Invalid multiple value %u!!!\n", |
85 | multiple); | |
86 | printk(KERN_ERR "ctxfi: The valid values for multiple are " | |
87 | "1 and 2, Value 2 is assumed.\n"); | |
8cc72361 WYC |
88 | multiple = 2; |
89 | } | |
9470195a | 90 | err = ct_atc_create(card, pci, reference_rate, multiple, |
408bffd0 | 91 | pci_id->driver_data, subsystem[dev], &atc); |
8cc72361 WYC |
92 | if (err < 0) |
93 | goto error; | |
94 | ||
95 | card->private_data = atc; | |
96 | ||
97 | /* Create alsa devices supported by this card */ | |
2a36f67f | 98 | err = ct_atc_create_alsa_devs(atc); |
8cc72361 WYC |
99 | if (err < 0) |
100 | goto error; | |
101 | ||
102 | strcpy(card->driver, "SB-XFi"); | |
103 | strcpy(card->shortname, "Creative X-Fi"); | |
9470195a TI |
104 | snprintf(card->longname, sizeof(card->longname), "%s %s %s", |
105 | card->shortname, atc->chip_name, atc->model_name); | |
8cc72361 WYC |
106 | |
107 | err = snd_card_register(card); | |
108 | if (err < 0) | |
109 | goto error; | |
110 | ||
111 | pci_set_drvdata(pci, card); | |
112 | dev++; | |
113 | ||
114 | return 0; | |
115 | ||
116 | error: | |
117 | snd_card_free(card); | |
118 | return err; | |
119 | } | |
120 | ||
121 | static void __devexit ct_card_remove(struct pci_dev *pci) | |
122 | { | |
123 | snd_card_free(pci_get_drvdata(pci)); | |
124 | pci_set_drvdata(pci, NULL); | |
125 | } | |
126 | ||
29959a09 WYC |
127 | #ifdef CONFIG_PM |
128 | static int ct_card_suspend(struct pci_dev *pci, pm_message_t state) | |
129 | { | |
130 | struct snd_card *card = pci_get_drvdata(pci); | |
131 | struct ct_atc *atc = card->private_data; | |
132 | ||
133 | return atc->suspend(atc, state); | |
134 | } | |
135 | ||
136 | static int ct_card_resume(struct pci_dev *pci) | |
137 | { | |
138 | struct snd_card *card = pci_get_drvdata(pci); | |
139 | struct ct_atc *atc = card->private_data; | |
140 | ||
141 | return atc->resume(atc); | |
142 | } | |
143 | #endif | |
144 | ||
8cc72361 WYC |
145 | static struct pci_driver ct_driver = { |
146 | .name = "SB-XFi", | |
147 | .id_table = ct_pci_dev_ids, | |
148 | .probe = ct_card_probe, | |
149 | .remove = __devexit_p(ct_card_remove), | |
29959a09 WYC |
150 | #ifdef CONFIG_PM |
151 | .suspend = ct_card_suspend, | |
152 | .resume = ct_card_resume, | |
153 | #endif | |
8cc72361 WYC |
154 | }; |
155 | ||
156 | static int __init ct_card_init(void) | |
157 | { | |
158 | return pci_register_driver(&ct_driver); | |
159 | } | |
160 | ||
161 | static void __exit ct_card_exit(void) | |
162 | { | |
163 | pci_unregister_driver(&ct_driver); | |
164 | } | |
165 | ||
166 | module_init(ct_card_init) | |
167 | module_exit(ct_card_exit) |