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  • only in /netgear-R7000-V1.0.7.12_1.2.5/components/opensource/linux/linux-2.6.36/sound/pci/vx222/
1/*
2 * Driver for Digigram VX222 V2/Mic PCI soundcards
3 *
4 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
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#include <linux/init.h>
22#include <linux/interrupt.h>
23#include <linux/pci.h>
24#include <linux/slab.h>
25#include <linux/moduleparam.h>
26#include <sound/core.h>
27#include <sound/initval.h>
28#include <sound/tlv.h>
29#include "vx222.h"
30
31#define CARD_NAME "VX222"
32
33MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
34MODULE_DESCRIPTION("Digigram VX222 V2/Mic");
35MODULE_LICENSE("GPL");
36MODULE_SUPPORTED_DEVICE("{{Digigram," CARD_NAME "}}");
37
38static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
39static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
40static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
41static int mic[SNDRV_CARDS]; /* microphone */
42static int ibl[SNDRV_CARDS]; /* microphone */
43
44module_param_array(index, int, NULL, 0444);
45MODULE_PARM_DESC(index, "Index value for Digigram " CARD_NAME " soundcard.");
46module_param_array(id, charp, NULL, 0444);
47MODULE_PARM_DESC(id, "ID string for Digigram " CARD_NAME " soundcard.");
48module_param_array(enable, bool, NULL, 0444);
49MODULE_PARM_DESC(enable, "Enable Digigram " CARD_NAME " soundcard.");
50module_param_array(mic, bool, NULL, 0444);
51MODULE_PARM_DESC(mic, "Enable Microphone.");
52module_param_array(ibl, int, NULL, 0444);
53MODULE_PARM_DESC(ibl, "Capture IBL size.");
54
55/*
56 */
57
58enum {
59	VX_PCI_VX222_OLD,
60	VX_PCI_VX222_NEW
61};
62
63static DEFINE_PCI_DEVICE_TABLE(snd_vx222_ids) = {
64	{ 0x10b5, 0x9050, 0x1369, PCI_ANY_ID, 0, 0, VX_PCI_VX222_OLD, },   /* PLX */
65	{ 0x10b5, 0x9030, 0x1369, PCI_ANY_ID, 0, 0, VX_PCI_VX222_NEW, },   /* PLX */
66	{ 0, }
67};
68
69MODULE_DEVICE_TABLE(pci, snd_vx222_ids);
70
71
72/*
73 */
74
75static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
76static const DECLARE_TLV_DB_SCALE(db_scale_akm, -7350, 50, 0);
77
78static struct snd_vx_hardware vx222_old_hw = {
79
80	.name = "VX222/Old",
81	.type = VX_TYPE_BOARD,
82	/* hw specs */
83	.num_codecs = 1,
84	.num_ins = 1,
85	.num_outs = 1,
86	.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
87	.output_level_db_scale = db_scale_old_vol,
88};
89
90static struct snd_vx_hardware vx222_v2_hw = {
91
92	.name = "VX222/v2",
93	.type = VX_TYPE_V2,
94	/* hw specs */
95	.num_codecs = 1,
96	.num_ins = 1,
97	.num_outs = 1,
98	.output_level_max = VX2_AKM_LEVEL_MAX,
99	.output_level_db_scale = db_scale_akm,
100};
101
102static struct snd_vx_hardware vx222_mic_hw = {
103
104	.name = "VX222/Mic",
105	.type = VX_TYPE_MIC,
106	/* hw specs */
107	.num_codecs = 1,
108	.num_ins = 1,
109	.num_outs = 1,
110	.output_level_max = VX2_AKM_LEVEL_MAX,
111	.output_level_db_scale = db_scale_akm,
112};
113
114
115/*
116 */
117static int snd_vx222_free(struct vx_core *chip)
118{
119	struct snd_vx222 *vx = (struct snd_vx222 *)chip;
120
121	if (chip->irq >= 0)
122		free_irq(chip->irq, (void*)chip);
123	if (vx->port[0])
124		pci_release_regions(vx->pci);
125	pci_disable_device(vx->pci);
126	kfree(chip);
127	return 0;
128}
129
130static int snd_vx222_dev_free(struct snd_device *device)
131{
132	struct vx_core *chip = device->device_data;
133	return snd_vx222_free(chip);
134}
135
136
137static int __devinit snd_vx222_create(struct snd_card *card, struct pci_dev *pci,
138				      struct snd_vx_hardware *hw,
139				      struct snd_vx222 **rchip)
140{
141	struct vx_core *chip;
142	struct snd_vx222 *vx;
143	int i, err;
144	static struct snd_device_ops ops = {
145		.dev_free =	snd_vx222_dev_free,
146	};
147	struct snd_vx_ops *vx_ops;
148
149	/* enable PCI device */
150	if ((err = pci_enable_device(pci)) < 0)
151		return err;
152	pci_set_master(pci);
153
154	vx_ops = hw->type == VX_TYPE_BOARD ? &vx222_old_ops : &vx222_ops;
155	chip = snd_vx_create(card, hw, vx_ops,
156			     sizeof(struct snd_vx222) - sizeof(struct vx_core));
157	if (! chip) {
158		pci_disable_device(pci);
159		return -ENOMEM;
160	}
161	vx = (struct snd_vx222 *)chip;
162	vx->pci = pci;
163
164	if ((err = pci_request_regions(pci, CARD_NAME)) < 0) {
165		snd_vx222_free(chip);
166		return err;
167	}
168	for (i = 0; i < 2; i++)
169		vx->port[i] = pci_resource_start(pci, i + 1);
170
171	if (request_irq(pci->irq, snd_vx_irq_handler, IRQF_SHARED,
172			CARD_NAME, chip)) {
173		snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
174		snd_vx222_free(chip);
175		return -EBUSY;
176	}
177	chip->irq = pci->irq;
178
179	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
180		snd_vx222_free(chip);
181		return err;
182	}
183
184	snd_card_set_dev(card, &pci->dev);
185
186	*rchip = vx;
187	return 0;
188}
189
190
191static int __devinit snd_vx222_probe(struct pci_dev *pci,
192				     const struct pci_device_id *pci_id)
193{
194	static int dev;
195	struct snd_card *card;
196	struct snd_vx_hardware *hw;
197	struct snd_vx222 *vx;
198	int err;
199
200	if (dev >= SNDRV_CARDS)
201		return -ENODEV;
202	if (!enable[dev]) {
203		dev++;
204		return -ENOENT;
205	}
206
207	err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
208	if (err < 0)
209		return err;
210
211	switch ((int)pci_id->driver_data) {
212	case VX_PCI_VX222_OLD:
213		hw = &vx222_old_hw;
214		break;
215	case VX_PCI_VX222_NEW:
216	default:
217		if (mic[dev])
218			hw = &vx222_mic_hw;
219		else
220			hw = &vx222_v2_hw;
221		break;
222	}
223	if ((err = snd_vx222_create(card, pci, hw, &vx)) < 0) {
224		snd_card_free(card);
225		return err;
226	}
227	card->private_data = vx;
228	vx->core.ibl.size = ibl[dev];
229
230	sprintf(card->longname, "%s at 0x%lx & 0x%lx, irq %i",
231		card->shortname, vx->port[0], vx->port[1], vx->core.irq);
232	snd_printdd("%s at 0x%lx & 0x%lx, irq %i\n",
233		    card->shortname, vx->port[0], vx->port[1], vx->core.irq);
234
235#ifdef SND_VX_FW_LOADER
236	vx->core.dev = &pci->dev;
237#endif
238
239	if ((err = snd_vx_setup_firmware(&vx->core)) < 0) {
240		snd_card_free(card);
241		return err;
242	}
243
244	if ((err = snd_card_register(card)) < 0) {
245		snd_card_free(card);
246		return err;
247	}
248
249	pci_set_drvdata(pci, card);
250	dev++;
251	return 0;
252}
253
254static void __devexit snd_vx222_remove(struct pci_dev *pci)
255{
256	snd_card_free(pci_get_drvdata(pci));
257	pci_set_drvdata(pci, NULL);
258}
259
260#ifdef CONFIG_PM
261static int snd_vx222_suspend(struct pci_dev *pci, pm_message_t state)
262{
263	struct snd_card *card = pci_get_drvdata(pci);
264	struct snd_vx222 *vx = card->private_data;
265	int err;
266
267	err = snd_vx_suspend(&vx->core, state);
268	pci_disable_device(pci);
269	pci_save_state(pci);
270	pci_set_power_state(pci, pci_choose_state(pci, state));
271	return err;
272}
273
274static int snd_vx222_resume(struct pci_dev *pci)
275{
276	struct snd_card *card = pci_get_drvdata(pci);
277	struct snd_vx222 *vx = card->private_data;
278
279	pci_set_power_state(pci, PCI_D0);
280	pci_restore_state(pci);
281	if (pci_enable_device(pci) < 0) {
282		printk(KERN_ERR "vx222: pci_enable_device failed, "
283		       "disabling device\n");
284		snd_card_disconnect(card);
285		return -EIO;
286	}
287	pci_set_master(pci);
288	return snd_vx_resume(&vx->core);
289}
290#endif
291
292static struct pci_driver driver = {
293	.name = "Digigram VX222",
294	.id_table = snd_vx222_ids,
295	.probe = snd_vx222_probe,
296	.remove = __devexit_p(snd_vx222_remove),
297#ifdef CONFIG_PM
298	.suspend = snd_vx222_suspend,
299	.resume = snd_vx222_resume,
300#endif
301};
302
303static int __init alsa_card_vx222_init(void)
304{
305	return pci_register_driver(&driver);
306}
307
308static void __exit alsa_card_vx222_exit(void)
309{
310	pci_unregister_driver(&driver);
311}
312
313module_init(alsa_card_vx222_init)
314module_exit(alsa_card_vx222_exit)
315