aboutsummaryrefslogtreecommitdiffstats
path: root/sound/pcmcia/vx/vxpocket.c
blob: cfd1438bcc644a2658845d38cd015d207e023eca (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
/*
 * Driver for Digigram VXpocket V2/440 soundcards
 *
 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */


#include <linux/init.h>
#include <linux/moduleparam.h>
#include <linux/slab.h>
#include <sound/core.h>
#include "vxpocket.h"
#include <pcmcia/ciscode.h>
#include <pcmcia/cisreg.h>
#include <sound/initval.h>
#include <sound/tlv.h>

/*
 */

MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
MODULE_DESCRIPTION("Digigram VXPocket");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable switches */
static int ibl[SNDRV_CARDS];

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for VXPocket soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for VXPocket soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable VXPocket soundcard.");
module_param_array(ibl, int, NULL, 0444);
MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard.");
 

/*
 */

static unsigned int card_alloc;


/*
 */
static void vxpocket_release(struct pcmcia_device *link)
{
	pcmcia_disable_device(link);
}

/*
 * destructor, called from snd_card_free_when_closed()
 */
static int snd_vxpocket_dev_free(struct snd_device *device)
{
	struct vx_core *chip = device->device_data;

	snd_vx_free_firmware(chip);
	kfree(chip);
	return 0;
}


/*
 * Hardware information
 */

/* VX-pocket V2
 *
 * 1 DSP, 1 sync UER
 * 1 programmable clock (NIY)
 * 1 stereo analog input (line/micro)
 * 1 stereo analog output
 * Only output levels can be modified
 */

static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);

static struct snd_vx_hardware vxpocket_hw = {
	.name = "VXPocket",
	.type = VX_TYPE_VXPOCKET,

	/* hardware specs */
	.num_codecs = 1,
	.num_ins = 1,
	.num_outs = 1,
	.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
	.output_level_db_scale = db_scale_old_vol,
};	

/* VX-pocket 440
 *
 * 1 DSP, 1 sync UER, 1 sync World Clock (NIY)
 * SMPTE (NIY)
 * 2 stereo analog input (line/micro)
 * 2 stereo analog output
 * Only output levels can be modified
 * UER, but only for the first two inputs and outputs.
 */

static struct snd_vx_hardware vxp440_hw = {
	.name = "VXPocket440",
	.type = VX_TYPE_VXP440,

	/* hardware specs */
	.num_codecs = 2,
	.num_ins = 2,
	.num_outs = 2,
	.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
	.output_level_db_scale = db_scale_old_vol,
};	


/*
 * create vxpocket instance
 */
static int snd_vxpocket_new(struct snd_card *card, int ibl,
			    struct pcmcia_device *link,
			    struct snd_vxpocket **chip_ret)
{
	struct vx_core *chip;
	struct snd_vxpocket *vxp;
	static struct snd_device_ops ops = {
		.dev_free =	snd_vxpocket_dev_free,
	};
	int err;

	chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
			     sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
	if (!chip)
		return -ENOMEM;

	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
	if (err < 0) {
		kfree(chip);
		return err;
	}
	chip->ibl.size = ibl;

	vxp = (struct snd_vxpocket *)chip;

	vxp->p_dev = link;
	link->priv = chip;

	link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
	link->io.NumPorts1 = 16;

	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;

	link->irq.Handler = &snd_vx_irq_handler;

	link->conf.Attributes = CONF_ENABLE_IRQ;
	link->conf.IntType = INT_MEMORY_AND_IO;
	link->conf.ConfigIndex = 1;
	link->conf.Present = PRESENT_OPTION;

	*chip_ret = vxp;
	return 0;
}


/**
 * snd_vxpocket_assign_resources - initialize the hardware and card instance.
 * @port: i/o port for the card
 * @irq: irq number for the card
 *
 * this function assigns the specified port and irq, boot the card,
 * create pcm and control instances, and initialize the rest hardware.
 *
 * returns 0 if successful, or a negative error code.
 */
static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq)
{
	int err;
	struct snd_card *card = chip->card;
	struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;

	snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq);
	vxp->port = port;

	sprintf(card->shortname, "Digigram %s", card->driver);
	sprintf(card->longname, "%s at 0x%x, irq %i",
		card->shortname, port, irq);

	chip->irq = irq;

	if ((err = snd_vx_setup_firmware(chip)) < 0)
		return err;

	return 0;
}


/*
 * configuration callback
 */

static int vxpocket_config(struct pcmcia_device *link)
{
	struct vx_core *chip = link->priv;
	struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
	int ret;

	snd_printdd(KERN_DEBUG "vxpocket_config called\n");

	/* redefine hardware record according to the VERSION1 string */
	if (!strcmp(link->prod_id[1], "VX-POCKET")) {
		snd_printdd("VX-pocket is detected\n");
	} else {
		snd_printdd("VX-pocket 440 is detected\n");
		/* overwrite the hardware information */
		chip->hw = &vxp440_hw;
		chip->type = vxp440_hw.type;
		strcpy(chip->card->driver, vxp440_hw.name);
	}

	ret = pcmcia_request_io(link, &link->io);
	if (ret)
		goto failed;

	ret = pcmcia_request_irq(link, &link->irq);
	if (ret)
		goto failed;

	ret = pcmcia_request_configuration(link, &link->conf);
	if (ret)
		goto failed;

	chip->dev = &link->dev;
	snd_card_set_dev(chip->card, chip->dev);

	if (snd_vxpocket_assign_resources(chip, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
		goto failed;

	link->dev_node = &vxp->node;
	return 0;

failed:
	pcmcia_disable_device(link);
	return -ENODEV;
}

#ifdef CONFIG_PM

static int vxp_suspend(struct pcmcia_device *link)
{
	struct vx_core *chip = link->priv;

	snd_printdd(KERN_DEBUG "SUSPEND\n");
	if (chip) {
		snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
		snd_vx_suspend(chip, PMSG_SUSPEND);
	}

	return 0;
}

static int vxp_resume(struct pcmcia_device *link)
{
	struct vx_core *chip = link->priv;

	snd_printdd(KERN_DEBUG "RESUME\n");
	if (pcmcia_dev_present(link)) {
		//struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
		if (chip) {
			snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
			snd_vx_resume(chip);
		}
	}
	snd_printdd(KERN_DEBUG "resume done!\n");

	return 0;
}

#endif


/*
 */
static int vxpocket_probe(struct pcmcia_device *p_dev)
{
	struct snd_card *card;
	struct snd_vxpocket *vxp;
	int i, err;

	/* find an empty slot from the card list */
	for (i = 0; i < SNDRV_CARDS; i++) {
		if (!(card_alloc & (1 << i)))
			break;
	}
	if (i >= SNDRV_CARDS) {
		snd_printk(KERN_ERR "vxpocket: too many cards found\n");
		return -EINVAL;
	}
	if (! enable[i])
		return -ENODEV; /* disabled explicitly */

	/* ok, create a card instance */
	err = snd_card_create(index[i], id[i], THIS_MODULE, 0, &card);
	if (err < 0) {
		snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
		return err;
	}

	err = snd_vxpocket_new(card, ibl[i], p_dev, &vxp);
	if (err < 0) {
		snd_card_free(card);
		return err;
	}
	card->private_data = vxp;

	vxp->index = i;
	card_alloc |= 1 << i;

	vxp->p_dev = p_dev;

	return vxpocket_config(p_dev);
}

static void vxpocket_detach(struct pcmcia_device *link)
{
	struct snd_vxpocket *vxp;
	struct vx_core *chip;

	if (! link)
		return;

	vxp = link->priv;
	chip = (struct vx_core *)vxp;
	card_alloc &= ~(1 << vxp->index);

	chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */
	snd_card_disconnect(chip->card);
	vxpocket_release(link);
	snd_card_free_when_closed(chip->card);
}

/*
 * Module entry points
 */

static struct pcmcia_device_id vxp_ids[] = {
	PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
	PCMCIA_DEVICE_NULL
};
MODULE_DEVICE_TABLE(pcmcia, vxp_ids);

static struct pcmcia_driver vxp_cs_driver = {
	.owner		= THIS_MODULE,
	.drv		= {
		.name	= "snd-vxpocket",
	},
	.probe		= vxpocket_probe,
	.remove		= vxpocket_detach,
	.id_table	= vxp_ids,
#ifdef CONFIG_PM
	.suspend	= vxp_suspend,
	.resume		= vxp_resume,
#endif
};

static int __init init_vxpocket(void)
{
	return pcmcia_register_driver(&vxp_cs_driver);
}

static void __exit exit_vxpocket(void)
{
	pcmcia_unregister_driver(&vxp_cs_driver);
}

module_init(init_vxpocket);
module_exit(exit_vxpocket);