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23#include <sound/driver.h>
24#include <linux/init.h>
25#include <linux/time.h>
26#include <linux/pnp.h>
27#include <linux/moduleparam.h>
28#include <sound/core.h>
29#include <sound/initval.h>
30#include <sound/sb.h>
31
32#define PFX "es968: "
33
34MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
35MODULE_DESCRIPTION("ESS AudioDrive ES968");
36MODULE_LICENSE("GPL");
37MODULE_SUPPORTED_DEVICE("{{ESS,AudioDrive ES968}}");
38
39static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
40static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
41static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP;
42static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
43static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
44static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
45
46module_param_array(index, int, NULL, 0444);
47MODULE_PARM_DESC(index, "Index value for es968 based soundcard.");
48module_param_array(id, charp, NULL, 0444);
49MODULE_PARM_DESC(id, "ID string for es968 based soundcard.");
50module_param_array(enable, bool, NULL, 0444);
51MODULE_PARM_DESC(enable, "Enable es968 based soundcard.");
52module_param_array(port, long, NULL, 0444);
53MODULE_PARM_DESC(port, "Port # for es968 driver.");
54module_param_array(irq, int, NULL, 0444);
55MODULE_PARM_DESC(irq, "IRQ # for es968 driver.");
56module_param_array(dma8, int, NULL, 0444);
57MODULE_PARM_DESC(dma8, "8-bit DMA # for es968 driver.");
58
59struct snd_card_es968 {
60 struct pnp_dev *dev;
61 struct snd_sb *chip;
62};
63
64static struct pnp_card_device_id snd_es968_pnpids[] = {
65 { .id = "ESS0968", .devs = { { "@@@0968" }, } },
66 { .id = "", }
67};
68
69MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids);
70
71#define DRIVER_NAME "snd-card-es968"
72
73static irqreturn_t snd_card_es968_interrupt(int irq, void *dev_id)
74{
75 struct snd_sb *chip = dev_id;
76
77 if (chip->open & SB_OPEN_PCM) {
78 return snd_sb8dsp_interrupt(chip);
79 } else {
80 return snd_sb8dsp_midi_interrupt(chip);
81 }
82}
83
84static int __devinit snd_card_es968_pnp(int dev, struct snd_card_es968 *acard,
85 struct pnp_card_link *card,
86 const struct pnp_card_device_id *id)
87{
88 struct pnp_dev *pdev;
89 struct pnp_resource_table *cfg = kmalloc(sizeof(*cfg), GFP_KERNEL);
90 int err;
91 if (!cfg)
92 return -ENOMEM;
93 acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
94 if (acard->dev == NULL) {
95 kfree(cfg);
96 return -ENODEV;
97 }
98
99 pdev = acard->dev;
100
101 pnp_init_resource_table(cfg);
102
103
104 if (port[dev] != SNDRV_AUTO_PORT)
105 pnp_resource_change(&cfg->port_resource[0], port[dev], 16);
106 if (dma8[dev] != SNDRV_AUTO_DMA)
107 pnp_resource_change(&cfg->dma_resource[0], dma8[dev], 1);
108 if (irq[dev] != SNDRV_AUTO_IRQ)
109 pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1);
110 if ((pnp_manual_config_dev(pdev, cfg, 0)) < 0)
111 snd_printk(KERN_ERR PFX "AUDIO the requested resources are invalid, using auto config\n");
112 err = pnp_activate_dev(pdev);
113 if (err < 0) {
114 snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n");
115 kfree(cfg);
116 return err;
117 }
118 port[dev] = pnp_port_start(pdev, 0);
119 dma8[dev] = pnp_dma(pdev, 1);
120 irq[dev] = pnp_irq(pdev, 0);
121
122 kfree(cfg);
123 return 0;
124}
125
126static int __devinit snd_card_es968_probe(int dev,
127 struct pnp_card_link *pcard,
128 const struct pnp_card_device_id *pid)
129{
130 int error;
131 struct snd_sb *chip;
132 struct snd_card *card;
133 struct snd_card_es968 *acard;
134
135 if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE,
136 sizeof(struct snd_card_es968))) == NULL)
137 return -ENOMEM;
138 acard = card->private_data;
139 if ((error = snd_card_es968_pnp(dev, acard, pcard, pid))) {
140 snd_card_free(card);
141 return error;
142 }
143 snd_card_set_dev(card, &pcard->card->dev);
144
145 if ((error = snd_sbdsp_create(card, port[dev],
146 irq[dev],
147 snd_card_es968_interrupt,
148 dma8[dev],
149 -1,
150 SB_HW_AUTO, &chip)) < 0) {
151 snd_card_free(card);
152 return error;
153 }
154 acard->chip = chip;
155
156 if ((error = snd_sb8dsp_pcm(chip, 0, NULL)) < 0) {
157 snd_card_free(card);
158 return error;
159 }
160
161 if ((error = snd_sbmixer_new(chip)) < 0) {
162 snd_card_free(card);
163 return error;
164 }
165
166 if ((error = snd_sb8dsp_midi(chip, 0, NULL)) < 0) {
167 snd_card_free(card);
168 return error;
169 }
170
171 strcpy(card->driver, "ES968");
172 strcpy(card->shortname, "ESS ES968");
173 sprintf(card->longname, "%s soundcard, %s at 0x%lx, irq %d, dma %d",
174 card->shortname, chip->name, chip->port, irq[dev], dma8[dev]);
175
176 if ((error = snd_card_register(card)) < 0) {
177 snd_card_free(card);
178 return error;
179 }
180 pnp_set_card_drvdata(pcard, card);
181 return 0;
182}
183
184static unsigned int __devinitdata es968_devices;
185
186static int __devinit snd_es968_pnp_detect(struct pnp_card_link *card,
187 const struct pnp_card_device_id *id)
188{
189 static int dev;
190 int res;
191
192 for ( ; dev < SNDRV_CARDS; dev++) {
193 if (!enable[dev])
194 continue;
195 res = snd_card_es968_probe(dev, card, id);
196 if (res < 0)
197 return res;
198 dev++;
199 es968_devices++;
200 return 0;
201 }
202 return -ENODEV;
203}
204
205static void __devexit snd_es968_pnp_remove(struct pnp_card_link * pcard)
206{
207 snd_card_free(pnp_get_card_drvdata(pcard));
208 pnp_set_card_drvdata(pcard, NULL);
209}
210
211#ifdef CONFIG_PM
212static int snd_es968_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
213{
214 struct snd_card *card = pnp_get_card_drvdata(pcard);
215 struct snd_card_es968 *acard = card->private_data;
216 struct snd_sb *chip = acard->chip;
217
218 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
219 snd_pcm_suspend_all(chip->pcm);
220 snd_sbmixer_suspend(chip);
221 return 0;
222}
223
224static int snd_es968_pnp_resume(struct pnp_card_link *pcard)
225{
226 struct snd_card *card = pnp_get_card_drvdata(pcard);
227 struct snd_card_es968 *acard = card->private_data;
228 struct snd_sb *chip = acard->chip;
229
230 snd_sbdsp_reset(chip);
231 snd_sbmixer_resume(chip);
232 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
233 return 0;
234}
235#endif
236
237static struct pnp_card_driver es968_pnpc_driver = {
238 .flags = PNP_DRIVER_RES_DISABLE,
239 .name = "es968",
240 .id_table = snd_es968_pnpids,
241 .probe = snd_es968_pnp_detect,
242 .remove = __devexit_p(snd_es968_pnp_remove),
243#ifdef CONFIG_PM
244 .suspend = snd_es968_pnp_suspend,
245 .resume = snd_es968_pnp_resume,
246#endif
247};
248
249static int __init alsa_card_es968_init(void)
250{
251 int err = pnp_register_card_driver(&es968_pnpc_driver);
252 if (err)
253 return err;
254
255 if (!es968_devices) {
256 pnp_unregister_card_driver(&es968_pnpc_driver);
257#ifdef MODULE
258 snd_printk(KERN_ERR "no ES968 based soundcards found\n");
259#endif
260 return -ENODEV;
261 }
262 return 0;
263}
264
265static void __exit alsa_card_es968_exit(void)
266{
267 pnp_unregister_card_driver(&es968_pnpc_driver);
268}
269
270module_init(alsa_card_es968_init)
271module_exit(alsa_card_es968_exit)
272
