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