1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Driver for Digigram VXpocket V2/440 soundcards
5 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
10 #include <linux/init.h>
11 #include <linux/module.h>
12 #include <linux/slab.h>
13 #include <sound/core.h>
15 #include <pcmcia/ciscode.h>
16 #include <pcmcia/cisreg.h>
17 #include <sound/initval.h>
18 #include <sound/tlv.h>
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}}");
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];
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.");
46 static unsigned int card_alloc;
51 static void vxpocket_release(struct pcmcia_device *link)
53 free_irq(link->irq, link->priv);
54 pcmcia_disable_device(link);
58 * destructor, called from snd_card_free_when_closed()
60 static int snd_vxpocket_dev_free(struct snd_device *device)
62 struct vx_core *chip = device->device_data;
64 snd_vx_free_firmware(chip);
71 * Hardware information
77 * 1 programmable clock (NIY)
78 * 1 stereo analog input (line/micro)
79 * 1 stereo analog output
80 * Only output levels can be modified
83 static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
85 static struct snd_vx_hardware vxpocket_hw = {
87 .type = VX_TYPE_VXPOCKET,
93 .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
94 .output_level_db_scale = db_scale_old_vol,
99 * 1 DSP, 1 sync UER, 1 sync World Clock (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.
107 static struct snd_vx_hardware vxp440_hw = {
108 .name = "VXPocket440",
109 .type = VX_TYPE_VXP440,
115 .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
116 .output_level_db_scale = db_scale_old_vol,
121 * create vxpocket instance
123 static int snd_vxpocket_new(struct snd_card *card, int ibl,
124 struct pcmcia_device *link,
125 struct snd_vxpocket **chip_ret)
127 struct vx_core *chip;
128 struct snd_vxpocket *vxp;
129 static struct snd_device_ops ops = {
130 .dev_free = snd_vxpocket_dev_free,
134 chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
135 sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
139 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
144 chip->ibl.size = ibl;
146 vxp = to_vxpocket(chip);
151 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
152 link->resource[0]->end = 16;
154 link->config_flags |= CONF_ENABLE_IRQ;
155 link->config_index = 1;
156 link->config_regs = PRESENT_OPTION;
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
169 * this function assigns the specified port and irq, boot the card,
170 * create pcm and control instances, and initialize the rest hardware.
172 * returns 0 if successful, or a negative error code.
174 static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq)
177 struct snd_card *card = chip->card;
178 struct snd_vxpocket *vxp = to_vxpocket(chip);
180 snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq);
183 sprintf(card->shortname, "Digigram %s", card->driver);
184 sprintf(card->longname, "%s at 0x%x, irq %i",
185 card->shortname, port, irq);
189 if ((err = snd_vx_setup_firmware(chip)) < 0)
197 * configuration callback
200 static int vxpocket_config(struct pcmcia_device *link)
202 struct vx_core *chip = link->priv;
205 snd_printdd(KERN_DEBUG "vxpocket_config called\n");
207 /* redefine hardware record according to the VERSION1 string */
208 if (!strcmp(link->prod_id[1], "VX-POCKET")) {
209 snd_printdd("VX-pocket is detected\n");
211 snd_printdd("VX-pocket 440 is detected\n");
212 /* overwrite the hardware information */
213 chip->hw = &vxp440_hw;
214 chip->type = vxp440_hw.type;
215 strcpy(chip->card->driver, vxp440_hw.name);
218 ret = pcmcia_request_io(link);
222 ret = request_threaded_irq(link->irq, snd_vx_irq_handler,
223 snd_vx_threaded_irq_handler,
224 IRQF_SHARED, link->devname, link->priv);
228 ret = pcmcia_enable_device(link);
232 chip->dev = &link->dev;
234 if (snd_vxpocket_assign_resources(chip, link->resource[0]->start,
241 free_irq(link->irq, link->priv);
243 pcmcia_disable_device(link);
249 static int vxp_suspend(struct pcmcia_device *link)
251 struct vx_core *chip = link->priv;
253 snd_printdd(KERN_DEBUG "SUSPEND\n");
255 snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
256 snd_vx_suspend(chip);
262 static int vxp_resume(struct pcmcia_device *link)
264 struct vx_core *chip = link->priv;
266 snd_printdd(KERN_DEBUG "RESUME\n");
267 if (pcmcia_dev_present(link)) {
268 //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
270 snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
274 snd_printdd(KERN_DEBUG "resume done!\n");
284 static int vxpocket_probe(struct pcmcia_device *p_dev)
286 struct snd_card *card;
287 struct snd_vxpocket *vxp;
290 /* find an empty slot from the card list */
291 for (i = 0; i < SNDRV_CARDS; i++) {
292 if (!(card_alloc & (1 << i)))
295 if (i >= SNDRV_CARDS) {
296 snd_printk(KERN_ERR "vxpocket: too many cards found\n");
300 return -ENODEV; /* disabled explicitly */
302 /* ok, create a card instance */
303 err = snd_card_new(&p_dev->dev, index[i], id[i], THIS_MODULE,
306 snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
310 err = snd_vxpocket_new(card, ibl[i], p_dev, &vxp);
315 card->private_data = vxp;
318 card_alloc |= 1 << i;
322 return vxpocket_config(p_dev);
325 static void vxpocket_detach(struct pcmcia_device *link)
327 struct snd_vxpocket *vxp;
328 struct vx_core *chip;
334 chip = (struct vx_core *)vxp;
335 card_alloc &= ~(1 << vxp->index);
337 chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */
338 snd_card_disconnect(chip->card);
339 vxpocket_release(link);
340 snd_card_free_when_closed(chip->card);
344 * Module entry points
347 static const struct pcmcia_device_id vxp_ids[] = {
348 PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
351 MODULE_DEVICE_TABLE(pcmcia, vxp_ids);
353 static struct pcmcia_driver vxp_cs_driver = {
354 .owner = THIS_MODULE,
355 .name = "snd-vxpocket",
356 .probe = vxpocket_probe,
357 .remove = vxpocket_detach,
360 .suspend = vxp_suspend,
361 .resume = vxp_resume,
364 module_pcmcia_driver(vxp_cs_driver);