1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Driver for Digigram VXpocket V2/440 soundcards
4 *
5 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
6
7 */
8
9
10 #include <linux/init.h>
11 #include <linux/module.h>
12 #include <linux/slab.h>
13 #include <sound/core.h>
14 #include "vxpocket.h"
15 #include <pcmcia/ciscode.h>
16 #include <pcmcia/cisreg.h>
17 #include <sound/initval.h>
18 #include <sound/tlv.h>
19
20 /*
21 */
22
23 MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
24 MODULE_DESCRIPTION("Digigram VXPocket");
25 MODULE_LICENSE("GPL");
26 MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}");
27
28 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
29 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
30 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */
31 static int ibl[SNDRV_CARDS];
32
33 module_param_array(index, int, NULL, 0444);
34 MODULE_PARM_DESC(index, "Index value for VXPocket soundcard.");
35 module_param_array(id, charp, NULL, 0444);
36 MODULE_PARM_DESC(id, "ID string for VXPocket soundcard.");
37 module_param_array(enable, bool, NULL, 0444);
38 MODULE_PARM_DESC(enable, "Enable VXPocket soundcard.");
39 module_param_array(ibl, int, NULL, 0444);
40 MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard.");
41
42
43 /*
44 */
45
46 static unsigned int card_alloc;
47
48
49 /*
50 */
vxpocket_release(struct pcmcia_device * link)51 static void vxpocket_release(struct pcmcia_device *link)
52 {
53 free_irq(link->irq, link->priv);
54 pcmcia_disable_device(link);
55 }
56
57 /*
58 * destructor, called from snd_card_free_when_closed()
59 */
snd_vxpocket_dev_free(struct snd_device * device)60 static int snd_vxpocket_dev_free(struct snd_device *device)
61 {
62 struct vx_core *chip = device->device_data;
63
64 snd_vx_free_firmware(chip);
65 kfree(chip);
66 return 0;
67 }
68
69
70 /*
71 * Hardware information
72 */
73
74 /* VX-pocket V2
75 *
76 * 1 DSP, 1 sync UER
77 * 1 programmable clock (NIY)
78 * 1 stereo analog input (line/micro)
79 * 1 stereo analog output
80 * Only output levels can be modified
81 */
82
83 static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
84
85 static const struct snd_vx_hardware vxpocket_hw = {
86 .name = "VXPocket",
87 .type = VX_TYPE_VXPOCKET,
88
89 /* hardware specs */
90 .num_codecs = 1,
91 .num_ins = 1,
92 .num_outs = 1,
93 .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
94 .output_level_db_scale = db_scale_old_vol,
95 };
96
97 /* VX-pocket 440
98 *
99 * 1 DSP, 1 sync UER, 1 sync World Clock (NIY)
100 * SMPTE (NIY)
101 * 2 stereo analog input (line/micro)
102 * 2 stereo analog output
103 * Only output levels can be modified
104 * UER, but only for the first two inputs and outputs.
105 */
106
107 static const struct snd_vx_hardware vxp440_hw = {
108 .name = "VXPocket440",
109 .type = VX_TYPE_VXP440,
110
111 /* hardware specs */
112 .num_codecs = 2,
113 .num_ins = 2,
114 .num_outs = 2,
115 .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
116 .output_level_db_scale = db_scale_old_vol,
117 };
118
119
120 /*
121 * create vxpocket instance
122 */
snd_vxpocket_new(struct snd_card * card,int ibl,struct pcmcia_device * link,struct snd_vxpocket ** chip_ret)123 static int snd_vxpocket_new(struct snd_card *card, int ibl,
124 struct pcmcia_device *link,
125 struct snd_vxpocket **chip_ret)
126 {
127 struct vx_core *chip;
128 struct snd_vxpocket *vxp;
129 static const struct snd_device_ops ops = {
130 .dev_free = snd_vxpocket_dev_free,
131 };
132 int err;
133
134 chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
135 sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
136 if (!chip)
137 return -ENOMEM;
138
139 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
140 if (err < 0) {
141 kfree(chip);
142 return err;
143 }
144 chip->ibl.size = ibl;
145
146 vxp = to_vxpocket(chip);
147
148 vxp->p_dev = link;
149 link->priv = chip;
150
151 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
152 link->resource[0]->end = 16;
153
154 link->config_flags |= CONF_ENABLE_IRQ;
155 link->config_index = 1;
156 link->config_regs = PRESENT_OPTION;
157
158 *chip_ret = vxp;
159 return 0;
160 }
161
162
163 /**
164 * snd_vxpocket_assign_resources - initialize the hardware and card instance.
165 * @chip: VX core instance
166 * @port: i/o port for the card
167 * @irq: irq number for the card
168 *
169 * this function assigns the specified port and irq, boot the card,
170 * create pcm and control instances, and initialize the rest hardware.
171 *
172 * returns 0 if successful, or a negative error code.
173 */
snd_vxpocket_assign_resources(struct vx_core * chip,int port,int irq)174 static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq)
175 {
176 int err;
177 struct snd_card *card = chip->card;
178 struct snd_vxpocket *vxp = to_vxpocket(chip);
179
180 snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq);
181 vxp->port = port;
182
183 sprintf(card->shortname, "Digigram %s", card->driver);
184 sprintf(card->longname, "%s at 0x%x, irq %i",
185 card->shortname, port, irq);
186
187 chip->irq = irq;
188 card->sync_irq = chip->irq;
189
190 if ((err = snd_vx_setup_firmware(chip)) < 0)
191 return err;
192
193 return 0;
194 }
195
196
197 /*
198 * configuration callback
199 */
200
vxpocket_config(struct pcmcia_device * link)201 static int vxpocket_config(struct pcmcia_device *link)
202 {
203 struct vx_core *chip = link->priv;
204 int ret;
205
206 snd_printdd(KERN_DEBUG "vxpocket_config called\n");
207
208 /* redefine hardware record according to the VERSION1 string */
209 if (!strcmp(link->prod_id[1], "VX-POCKET")) {
210 snd_printdd("VX-pocket is detected\n");
211 } else {
212 snd_printdd("VX-pocket 440 is detected\n");
213 /* overwrite the hardware information */
214 chip->hw = &vxp440_hw;
215 chip->type = vxp440_hw.type;
216 strcpy(chip->card->driver, vxp440_hw.name);
217 }
218
219 ret = pcmcia_request_io(link);
220 if (ret)
221 goto failed_preirq;
222
223 ret = request_threaded_irq(link->irq, snd_vx_irq_handler,
224 snd_vx_threaded_irq_handler,
225 IRQF_SHARED, link->devname, link->priv);
226 if (ret)
227 goto failed_preirq;
228
229 ret = pcmcia_enable_device(link);
230 if (ret)
231 goto failed;
232
233 chip->dev = &link->dev;
234
235 if (snd_vxpocket_assign_resources(chip, link->resource[0]->start,
236 link->irq) < 0)
237 goto failed;
238
239 return 0;
240
241 failed:
242 free_irq(link->irq, link->priv);
243 failed_preirq:
244 pcmcia_disable_device(link);
245 return -ENODEV;
246 }
247
248 #ifdef CONFIG_PM
249
vxp_suspend(struct pcmcia_device * link)250 static int vxp_suspend(struct pcmcia_device *link)
251 {
252 struct vx_core *chip = link->priv;
253
254 snd_printdd(KERN_DEBUG "SUSPEND\n");
255 if (chip) {
256 snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
257 snd_vx_suspend(chip);
258 }
259
260 return 0;
261 }
262
vxp_resume(struct pcmcia_device * link)263 static int vxp_resume(struct pcmcia_device *link)
264 {
265 struct vx_core *chip = link->priv;
266
267 snd_printdd(KERN_DEBUG "RESUME\n");
268 if (pcmcia_dev_present(link)) {
269 //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
270 if (chip) {
271 snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
272 snd_vx_resume(chip);
273 }
274 }
275 snd_printdd(KERN_DEBUG "resume done!\n");
276
277 return 0;
278 }
279
280 #endif
281
282
283 /*
284 */
vxpocket_probe(struct pcmcia_device * p_dev)285 static int vxpocket_probe(struct pcmcia_device *p_dev)
286 {
287 struct snd_card *card;
288 struct snd_vxpocket *vxp;
289 int i, err;
290
291 /* find an empty slot from the card list */
292 for (i = 0; i < SNDRV_CARDS; i++) {
293 if (!(card_alloc & (1 << i)))
294 break;
295 }
296 if (i >= SNDRV_CARDS) {
297 snd_printk(KERN_ERR "vxpocket: too many cards found\n");
298 return -EINVAL;
299 }
300 if (! enable[i])
301 return -ENODEV; /* disabled explicitly */
302
303 /* ok, create a card instance */
304 err = snd_card_new(&p_dev->dev, index[i], id[i], THIS_MODULE,
305 0, &card);
306 if (err < 0) {
307 snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
308 return err;
309 }
310
311 err = snd_vxpocket_new(card, ibl[i], p_dev, &vxp);
312 if (err < 0) {
313 snd_card_free(card);
314 return err;
315 }
316 card->private_data = vxp;
317
318 vxp->index = i;
319 card_alloc |= 1 << i;
320
321 vxp->p_dev = p_dev;
322
323 return vxpocket_config(p_dev);
324 }
325
vxpocket_detach(struct pcmcia_device * link)326 static void vxpocket_detach(struct pcmcia_device *link)
327 {
328 struct snd_vxpocket *vxp;
329 struct vx_core *chip;
330
331 if (! link)
332 return;
333
334 vxp = link->priv;
335 chip = (struct vx_core *)vxp;
336 card_alloc &= ~(1 << vxp->index);
337
338 chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */
339 snd_card_disconnect(chip->card);
340 vxpocket_release(link);
341 snd_card_free_when_closed(chip->card);
342 }
343
344 /*
345 * Module entry points
346 */
347
348 static const struct pcmcia_device_id vxp_ids[] = {
349 PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
350 PCMCIA_DEVICE_NULL
351 };
352 MODULE_DEVICE_TABLE(pcmcia, vxp_ids);
353
354 static struct pcmcia_driver vxp_cs_driver = {
355 .owner = THIS_MODULE,
356 .name = "snd-vxpocket",
357 .probe = vxpocket_probe,
358 .remove = vxpocket_detach,
359 .id_table = vxp_ids,
360 #ifdef CONFIG_PM
361 .suspend = vxp_suspend,
362 .resume = vxp_resume,
363 #endif
364 };
365 module_pcmcia_driver(vxp_cs_driver);
366