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