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
23MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
24MODULE_DESCRIPTION("Digigram VXPocket");
25MODULE_LICENSE("GPL");
26MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}");
27
28static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
29static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
30static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable switches */
31static int ibl[SNDRV_CARDS];
32
33module_param_array(index, int, NULL, 0444);
34MODULE_PARM_DESC(index, "Index value for VXPocket soundcard.");
35module_param_array(id, charp, NULL, 0444);
36MODULE_PARM_DESC(id, "ID string for VXPocket soundcard.");
37module_param_array(enable, bool, NULL, 0444);
38MODULE_PARM_DESC(enable, "Enable VXPocket soundcard.");
39module_param_array(ibl, int, NULL, 0444);
40MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard.");
41
42
43/*
44 */
45
46static unsigned int card_alloc;
47
48
49/*
50 */
51static 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 */
60static 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
83static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
84
85static 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
107static 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 */
123static 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 */
174static 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
201static 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);
243failed_preirq:
244	pcmcia_disable_device(link);
245	return -ENODEV;
246}
247
248#ifdef CONFIG_PM
249
250static 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
263static 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 */
285static 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
326static 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
348static const struct pcmcia_device_id vxp_ids[] = {
349	PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
350	PCMCIA_DEVICE_NULL
351};
352MODULE_DEVICE_TABLE(pcmcia, vxp_ids);
353
354static 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};
365module_pcmcia_driver(vxp_cs_driver);
366