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24#include <sound/driver.h>
25#include <linux/init.h>
26#include <linux/err.h>
27#include <linux/isa.h>
28#include <linux/time.h>
29#include <linux/wait.h>
30#include <linux/moduleparam.h>
31#include <sound/core.h>
32#include <sound/ad1848.h>
33#include <sound/initval.h>
34
35#define CRD_NAME "Generic AD1848/AD1847/CS4248"
36#define DEV_NAME "ad1848"
37
38MODULE_DESCRIPTION(CRD_NAME);
39MODULE_AUTHOR("Tugrul Galatali <galatalt@stuy.edu>, Jaroslav Kysela <perex@perex.cz>");
40MODULE_LICENSE("GPL");
41MODULE_SUPPORTED_DEVICE("{{Analog Devices,AD1848},"
42 "{Analog Devices,AD1847},"
43 "{Crystal Semiconductors,CS4248}}");
44
45static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
46static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
47static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
48static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
49static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
50static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
51static int thinkpad[SNDRV_CARDS];
52
53module_param_array(index, int, NULL, 0444);
54MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
55module_param_array(id, charp, NULL, 0444);
56MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
57module_param_array(enable, bool, NULL, 0444);
58MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
59module_param_array(port, long, NULL, 0444);
60MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
61module_param_array(irq, int, NULL, 0444);
62MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
63module_param_array(dma1, int, NULL, 0444);
64MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
65module_param_array(thinkpad, bool, NULL, 0444);
66MODULE_PARM_DESC(thinkpad, "Enable only for the onboard CS4248 of IBM Thinkpad 360/750/755 series.");
67
68static int __devinit snd_ad1848_match(struct device *dev, unsigned int n)
69{
70 if (!enable[n])
71 return 0;
72
73 if (port[n] == SNDRV_AUTO_PORT) {
74 snd_printk(KERN_ERR "%s: please specify port\n", dev->bus_id);
75 return 0;
76 }
77 if (irq[n] == SNDRV_AUTO_IRQ) {
78 snd_printk(KERN_ERR "%s: please specify irq\n", dev->bus_id);
79 return 0;
80 }
81 if (dma1[n] == SNDRV_AUTO_DMA) {
82 snd_printk(KERN_ERR "%s: please specify dma1\n", dev->bus_id);
83 return 0;
84 }
85 return 1;
86}
87
88static int __devinit snd_ad1848_probe(struct device *dev, unsigned int n)
89{
90 struct snd_card *card;
91 struct snd_ad1848 *chip;
92 struct snd_pcm *pcm;
93 int error;
94
95 card = snd_card_new(index[n], id[n], THIS_MODULE, 0);
96 if (!card)
97 return -EINVAL;
98
99 error = snd_ad1848_create(card, port[n], irq[n], dma1[n],
100 thinkpad[n] ? AD1848_HW_THINKPAD : AD1848_HW_DETECT, &chip);
101 if (error < 0)
102 goto out;
103
104 card->private_data = chip;
105
106 error = snd_ad1848_pcm(chip, 0, &pcm);
107 if (error < 0)
108 goto out;
109
110 error = snd_ad1848_mixer(chip);
111 if (error < 0)
112 goto out;
113
114 strcpy(card->driver, "AD1848");
115 strcpy(card->shortname, pcm->name);
116
117 sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
118 pcm->name, chip->port, irq[n], dma1[n]);
119 if (thinkpad[n])
120 strcat(card->longname, " [Thinkpad]");
121
122 snd_card_set_dev(card, dev);
123
124 error = snd_card_register(card);
125 if (error < 0)
126 goto out;
127
128 dev_set_drvdata(dev, card);
129 return 0;
130
131out: snd_card_free(card);
132 return error;
133}
134
135static int __devexit snd_ad1848_remove(struct device *dev, unsigned int n)
136{
137 snd_card_free(dev_get_drvdata(dev));
138 dev_set_drvdata(dev, NULL);
139 return 0;
140}
141
142#ifdef CONFIG_PM
143static int snd_ad1848_suspend(struct device *dev, unsigned int n, pm_message_t state)
144{
145 struct snd_card *card = dev_get_drvdata(dev);
146 struct snd_ad1848 *chip = card->private_data;
147
148 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
149 chip->suspend(chip);
150 return 0;
151}
152
153static int snd_ad1848_resume(struct device *dev, unsigned int n)
154{
155 struct snd_card *card = dev_get_drvdata(dev);
156 struct snd_ad1848 *chip = card->private_data;
157
158 chip->resume(chip);
159 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
160 return 0;
161}
162#endif
163
164static struct isa_driver snd_ad1848_driver = {
165 .match = snd_ad1848_match,
166 .probe = snd_ad1848_probe,
167 .remove = __devexit_p(snd_ad1848_remove),
168#ifdef CONFIG_PM
169 .suspend = snd_ad1848_suspend,
170 .resume = snd_ad1848_resume,
171#endif
172 .driver = {
173 .name = DEV_NAME
174 }
175};
176
177static int __init alsa_card_ad1848_init(void)
178{
179 return isa_register_driver(&snd_ad1848_driver, SNDRV_CARDS);
180}
181
182static void __exit alsa_card_ad1848_exit(void)
183{
184 isa_unregister_driver(&snd_ad1848_driver);
185}
186
187module_init(alsa_card_ad1848_init);
188module_exit(alsa_card_ad1848_exit);
189
