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21#include <sound/core.h>
22#include <linux/slab.h>
23#include <linux/module.h>
24#include <pcmcia/ciscode.h>
25#include <pcmcia/cisreg.h>
26#include "pdaudiocf.h"
27#include <sound/initval.h>
28#include <linux/init.h>
29
30
31
32
33#define CARD_NAME "PDAudio-CF"
34
35MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
36MODULE_DESCRIPTION("Sound Core " CARD_NAME);
37MODULE_LICENSE("GPL");
38MODULE_SUPPORTED_DEVICE("{{Sound Core," CARD_NAME "}}");
39
40static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
41static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
42static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
43
44module_param_array(index, int, NULL, 0444);
45MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard.");
46module_param_array(id, charp, NULL, 0444);
47MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard.");
48module_param_array(enable, bool, NULL, 0444);
49MODULE_PARM_DESC(enable, "Enable " CARD_NAME " soundcard.");
50
51
52
53
54static struct snd_card *card_list[SNDRV_CARDS];
55
56
57
58
59static int pdacf_config(struct pcmcia_device *link);
60static void snd_pdacf_detach(struct pcmcia_device *p_dev);
61
62static void pdacf_release(struct pcmcia_device *link)
63{
64 free_irq(link->irq, link->priv);
65 pcmcia_disable_device(link);
66}
67
68
69
70
71static int snd_pdacf_free(struct snd_pdacf *pdacf)
72{
73 struct pcmcia_device *link = pdacf->p_dev;
74
75 pdacf_release(link);
76
77 card_list[pdacf->index] = NULL;
78 pdacf->card = NULL;
79
80 kfree(pdacf);
81 return 0;
82}
83
84static int snd_pdacf_dev_free(struct snd_device *device)
85{
86 struct snd_pdacf *chip = device->device_data;
87 return snd_pdacf_free(chip);
88}
89
90
91
92
93static int snd_pdacf_probe(struct pcmcia_device *link)
94{
95 int i, err;
96 struct snd_pdacf *pdacf;
97 struct snd_card *card;
98 static struct snd_device_ops ops = {
99 .dev_free = snd_pdacf_dev_free,
100 };
101
102 snd_printdd(KERN_DEBUG "pdacf_attach called\n");
103
104 for (i = 0; i < SNDRV_CARDS; i++) {
105 if (! card_list[i])
106 break;
107 }
108 if (i >= SNDRV_CARDS) {
109 snd_printk(KERN_ERR "pdacf: too many cards found\n");
110 return -EINVAL;
111 }
112 if (! enable[i])
113 return -ENODEV;
114
115
116 err = snd_card_new(&link->dev, index[i], id[i], THIS_MODULE,
117 0, &card);
118 if (err < 0) {
119 snd_printk(KERN_ERR "pdacf: cannot create a card instance\n");
120 return err;
121 }
122
123 pdacf = snd_pdacf_create(card);
124 if (!pdacf) {
125 snd_card_free(card);
126 return -ENOMEM;
127 }
128
129 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, pdacf, &ops);
130 if (err < 0) {
131 kfree(pdacf);
132 snd_card_free(card);
133 return err;
134 }
135
136 pdacf->index = i;
137 card_list[i] = card;
138
139 pdacf->p_dev = link;
140 link->priv = pdacf;
141
142 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
143 link->resource[0]->end = 16;
144
145 link->config_flags = CONF_ENABLE_IRQ | CONF_ENABLE_PULSE_IRQ;
146 link->config_index = 1;
147 link->config_regs = PRESENT_OPTION;
148
149 return pdacf_config(link);
150}
151
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161
162
163static int snd_pdacf_assign_resources(struct snd_pdacf *pdacf, int port, int irq)
164{
165 int err;
166 struct snd_card *card = pdacf->card;
167
168 snd_printdd(KERN_DEBUG "pdacf assign resources: port = 0x%x, irq = %d\n", port, irq);
169 pdacf->port = port;
170 pdacf->irq = irq;
171 pdacf->chip_status |= PDAUDIOCF_STAT_IS_CONFIGURED;
172
173 err = snd_pdacf_ak4117_create(pdacf);
174 if (err < 0)
175 return err;
176
177 strcpy(card->driver, "PDAudio-CF");
178 sprintf(card->shortname, "Core Sound %s", card->driver);
179 sprintf(card->longname, "%s at 0x%x, irq %i",
180 card->shortname, port, irq);
181
182 err = snd_pdacf_pcm_new(pdacf);
183 if (err < 0)
184 return err;
185
186 if ((err = snd_card_register(card)) < 0)
187 return err;
188
189 return 0;
190}
191
192
193
194
195
196static void snd_pdacf_detach(struct pcmcia_device *link)
197{
198 struct snd_pdacf *chip = link->priv;
199
200 snd_printdd(KERN_DEBUG "pdacf_detach called\n");
201
202 if (chip->chip_status & PDAUDIOCF_STAT_IS_CONFIGURED)
203 snd_pdacf_powerdown(chip);
204 chip->chip_status |= PDAUDIOCF_STAT_IS_STALE;
205 snd_card_disconnect(chip->card);
206 snd_card_free_when_closed(chip->card);
207}
208
209
210
211
212
213static int pdacf_config(struct pcmcia_device *link)
214{
215 struct snd_pdacf *pdacf = link->priv;
216 int ret;
217
218 snd_printdd(KERN_DEBUG "pdacf_config called\n");
219 link->config_index = 0x5;
220 link->config_flags |= CONF_ENABLE_IRQ | CONF_ENABLE_PULSE_IRQ;
221
222 ret = pcmcia_request_io(link);
223 if (ret)
224 goto failed_preirq;
225
226 ret = request_threaded_irq(link->irq, pdacf_interrupt,
227 pdacf_threaded_irq,
228 IRQF_SHARED, link->devname, link->priv);
229 if (ret)
230 goto failed_preirq;
231
232 ret = pcmcia_enable_device(link);
233 if (ret)
234 goto failed;
235
236 if (snd_pdacf_assign_resources(pdacf, link->resource[0]->start,
237 link->irq) < 0)
238 goto failed;
239
240 return 0;
241
242 failed:
243 free_irq(link->irq, link->priv);
244failed_preirq:
245 pcmcia_disable_device(link);
246 return -ENODEV;
247}
248
249#ifdef CONFIG_PM
250
251static int pdacf_suspend(struct pcmcia_device *link)
252{
253 struct snd_pdacf *chip = link->priv;
254
255 snd_printdd(KERN_DEBUG "SUSPEND\n");
256 if (chip) {
257 snd_printdd(KERN_DEBUG "snd_pdacf_suspend calling\n");
258 snd_pdacf_suspend(chip);
259 }
260
261 return 0;
262}
263
264static int pdacf_resume(struct pcmcia_device *link)
265{
266 struct snd_pdacf *chip = link->priv;
267
268 snd_printdd(KERN_DEBUG "RESUME\n");
269 if (pcmcia_dev_present(link)) {
270 if (chip) {
271 snd_printdd(KERN_DEBUG "calling snd_pdacf_resume\n");
272 snd_pdacf_resume(chip);
273 }
274 }
275 snd_printdd(KERN_DEBUG "resume done!\n");
276
277 return 0;
278}
279
280#endif
281
282
283
284
285static const struct pcmcia_device_id snd_pdacf_ids[] = {
286
287 PCMCIA_DEVICE_PROD_ID12("Core Sound","PDAudio-CF",0x396d19d2,0x71717b49),
288 PCMCIA_DEVICE_NULL
289};
290MODULE_DEVICE_TABLE(pcmcia, snd_pdacf_ids);
291
292static struct pcmcia_driver pdacf_cs_driver = {
293 .owner = THIS_MODULE,
294 .name = "snd-pdaudiocf",
295 .probe = snd_pdacf_probe,
296 .remove = snd_pdacf_detach,
297 .id_table = snd_pdacf_ids,
298#ifdef CONFIG_PM
299 .suspend = pdacf_suspend,
300 .resume = pdacf_resume,
301#endif
302};
303module_pcmcia_driver(pdacf_cs_driver);
304