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1/*
2 * Driver for Digigram VXpocket V2/440 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
22#include <linux/init.h>
23#include <linux/module.h>
24#include <linux/slab.h>
25#include <sound/core.h>
26#include "vxpocket.h"
27#include <pcmcia/ciscode.h>
28#include <pcmcia/cisreg.h>
29#include <sound/initval.h>
30#include <sound/tlv.h>
31
32/*
33 */
34
35MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
36MODULE_DESCRIPTION("Digigram VXPocket");
37MODULE_LICENSE("GPL");
38MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}");
39
40static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
41static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
42static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */
43static int ibl[SNDRV_CARDS];
44
45module_param_array(index, int, NULL, 0444);
46MODULE_PARM_DESC(index, "Index value for VXPocket soundcard.");
47module_param_array(id, charp, NULL, 0444);
48MODULE_PARM_DESC(id, "ID string for VXPocket soundcard.");
49module_param_array(enable, bool, NULL, 0444);
50MODULE_PARM_DESC(enable, "Enable VXPocket soundcard.");
51module_param_array(ibl, int, NULL, 0444);
52MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard.");
53
54
55/*
56 */
57
58static unsigned int card_alloc;
59
60
61/*
62 */
63static void vxpocket_release(struct pcmcia_device *link)
64{
65 pcmcia_disable_device(link);
66}
67
68/*
69 * destructor, called from snd_card_free_when_closed()
70 */
71static int snd_vxpocket_dev_free(struct snd_device *device)
72{
73 struct vx_core *chip = device->device_data;
74
75 snd_vx_free_firmware(chip);
76 kfree(chip);
77 return 0;
78}
79
80
81/*
82 * Hardware information
83 */
84
85/* VX-pocket V2
86 *
87 * 1 DSP, 1 sync UER
88 * 1 programmable clock (NIY)
89 * 1 stereo analog input (line/micro)
90 * 1 stereo analog output
91 * Only output levels can be modified
92 */
93
94static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
95
96static struct snd_vx_hardware vxpocket_hw = {
97 .name = "VXPocket",
98 .type = VX_TYPE_VXPOCKET,
99
100 /* hardware specs */
101 .num_codecs = 1,
102 .num_ins = 1,
103 .num_outs = 1,
104 .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
105 .output_level_db_scale = db_scale_old_vol,
106};
107
108/* VX-pocket 440
109 *
110 * 1 DSP, 1 sync UER, 1 sync World Clock (NIY)
111 * SMPTE (NIY)
112 * 2 stereo analog input (line/micro)
113 * 2 stereo analog output
114 * Only output levels can be modified
115 * UER, but only for the first two inputs and outputs.
116 */
117
118static struct snd_vx_hardware vxp440_hw = {
119 .name = "VXPocket440",
120 .type = VX_TYPE_VXP440,
121
122 /* hardware specs */
123 .num_codecs = 2,
124 .num_ins = 2,
125 .num_outs = 2,
126 .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
127 .output_level_db_scale = db_scale_old_vol,
128};
129
130
131/*
132 * create vxpocket instance
133 */
134static int snd_vxpocket_new(struct snd_card *card, int ibl,
135 struct pcmcia_device *link,
136 struct snd_vxpocket **chip_ret)
137{
138 struct vx_core *chip;
139 struct snd_vxpocket *vxp;
140 static struct snd_device_ops ops = {
141 .dev_free = snd_vxpocket_dev_free,
142 };
143 int err;
144
145 chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
146 sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
147 if (!chip)
148 return -ENOMEM;
149
150 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
151 if (err < 0) {
152 kfree(chip);
153 return err;
154 }
155 chip->ibl.size = ibl;
156
157 vxp = (struct snd_vxpocket *)chip;
158
159 vxp->p_dev = link;
160 link->priv = chip;
161
162 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
163 link->resource[0]->end = 16;
164
165 link->config_flags |= CONF_ENABLE_IRQ;
166 link->config_index = 1;
167 link->config_regs = PRESENT_OPTION;
168
169 *chip_ret = vxp;
170 return 0;
171}
172
173
174/**
175 * snd_vxpocket_assign_resources - initialize the hardware and card instance.
176 * @port: i/o port for the card
177 * @irq: irq number for the card
178 *
179 * this function assigns the specified port and irq, boot the card,
180 * create pcm and control instances, and initialize the rest hardware.
181 *
182 * returns 0 if successful, or a negative error code.
183 */
184static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq)
185{
186 int err;
187 struct snd_card *card = chip->card;
188 struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
189
190 snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq);
191 vxp->port = port;
192
193 sprintf(card->shortname, "Digigram %s", card->driver);
194 sprintf(card->longname, "%s at 0x%x, irq %i",
195 card->shortname, port, irq);
196
197 chip->irq = irq;
198
199 if ((err = snd_vx_setup_firmware(chip)) < 0)
200 return err;
201
202 return 0;
203}
204
205
206/*
207 * configuration callback
208 */
209
210static int vxpocket_config(struct pcmcia_device *link)
211{
212 struct vx_core *chip = link->priv;
213 int ret;
214
215 snd_printdd(KERN_DEBUG "vxpocket_config called\n");
216
217 /* redefine hardware record according to the VERSION1 string */
218 if (!strcmp(link->prod_id[1], "VX-POCKET")) {
219 snd_printdd("VX-pocket is detected\n");
220 } else {
221 snd_printdd("VX-pocket 440 is detected\n");
222 /* overwrite the hardware information */
223 chip->hw = &vxp440_hw;
224 chip->type = vxp440_hw.type;
225 strcpy(chip->card->driver, vxp440_hw.name);
226 }
227
228 ret = pcmcia_request_io(link);
229 if (ret)
230 goto failed;
231
232 ret = pcmcia_request_irq(link, snd_vx_irq_handler);
233 if (ret)
234 goto failed;
235
236 ret = pcmcia_enable_device(link);
237 if (ret)
238 goto failed;
239
240 chip->dev = &link->dev;
241 snd_card_set_dev(chip->card, chip->dev);
242
243 if (snd_vxpocket_assign_resources(chip, link->resource[0]->start,
244 link->irq) < 0)
245 goto failed;
246
247 return 0;
248
249failed:
250 pcmcia_disable_device(link);
251 return -ENODEV;
252}
253
254#ifdef CONFIG_PM
255
256static int vxp_suspend(struct pcmcia_device *link)
257{
258 struct vx_core *chip = link->priv;
259
260 snd_printdd(KERN_DEBUG "SUSPEND\n");
261 if (chip) {
262 snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
263 snd_vx_suspend(chip, PMSG_SUSPEND);
264 }
265
266 return 0;
267}
268
269static int vxp_resume(struct pcmcia_device *link)
270{
271 struct vx_core *chip = link->priv;
272
273 snd_printdd(KERN_DEBUG "RESUME\n");
274 if (pcmcia_dev_present(link)) {
275 //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
276 if (chip) {
277 snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
278 snd_vx_resume(chip);
279 }
280 }
281 snd_printdd(KERN_DEBUG "resume done!\n");
282
283 return 0;
284}
285
286#endif
287
288
289/*
290 */
291static int vxpocket_probe(struct pcmcia_device *p_dev)
292{
293 struct snd_card *card;
294 struct snd_vxpocket *vxp;
295 int i, err;
296
297 /* find an empty slot from the card list */
298 for (i = 0; i < SNDRV_CARDS; i++) {
299 if (!(card_alloc & (1 << i)))
300 break;
301 }
302 if (i >= SNDRV_CARDS) {
303 snd_printk(KERN_ERR "vxpocket: too many cards found\n");
304 return -EINVAL;
305 }
306 if (! enable[i])
307 return -ENODEV; /* disabled explicitly */
308
309 /* ok, create a card instance */
310 err = snd_card_create(index[i], id[i], THIS_MODULE, 0, &card);
311 if (err < 0) {
312 snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
313 return err;
314 }
315
316 err = snd_vxpocket_new(card, ibl[i], p_dev, &vxp);
317 if (err < 0) {
318 snd_card_free(card);
319 return err;
320 }
321 card->private_data = vxp;
322
323 vxp->index = i;
324 card_alloc |= 1 << i;
325
326 vxp->p_dev = p_dev;
327
328 return vxpocket_config(p_dev);
329}
330
331static void vxpocket_detach(struct pcmcia_device *link)
332{
333 struct snd_vxpocket *vxp;
334 struct vx_core *chip;
335
336 if (! link)
337 return;
338
339 vxp = link->priv;
340 chip = (struct vx_core *)vxp;
341 card_alloc &= ~(1 << vxp->index);
342
343 chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */
344 snd_card_disconnect(chip->card);
345 vxpocket_release(link);
346 snd_card_free_when_closed(chip->card);
347}
348
349/*
350 * Module entry points
351 */
352
353static const struct pcmcia_device_id vxp_ids[] = {
354 PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
355 PCMCIA_DEVICE_NULL
356};
357MODULE_DEVICE_TABLE(pcmcia, vxp_ids);
358
359static struct pcmcia_driver vxp_cs_driver = {
360 .owner = THIS_MODULE,
361 .name = "snd-vxpocket",
362 .probe = vxpocket_probe,
363 .remove = vxpocket_detach,
364 .id_table = vxp_ids,
365#ifdef CONFIG_PM
366 .suspend = vxp_suspend,
367 .resume = vxp_resume,
368#endif
369};
370
371static int __init init_vxpocket(void)
372{
373 return pcmcia_register_driver(&vxp_cs_driver);
374}
375
376static void __exit exit_vxpocket(void)
377{
378 pcmcia_unregister_driver(&vxp_cs_driver);
379}
380
381module_init(init_vxpocket);
382module_exit(exit_vxpocket);