Merge head 'upstream' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
[pandora-kernel.git] / sound / pcmcia / vx / vxpocket.c
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 <sound/driver.h>
23 #include <linux/init.h>
24 #include <linux/moduleparam.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
31 /*
32  */
33
34 MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
35 MODULE_DESCRIPTION("Digigram VXPocket");
36 MODULE_LICENSE("GPL");
37 MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}");
38
39 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
40 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
41 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;      /* Enable switches */
42 static int ibl[SNDRV_CARDS];
43
44 module_param_array(index, int, NULL, 0444);
45 MODULE_PARM_DESC(index, "Index value for VXPocket soundcard.");
46 module_param_array(id, charp, NULL, 0444);
47 MODULE_PARM_DESC(id, "ID string for VXPocket soundcard.");
48 module_param_array(enable, bool, NULL, 0444);
49 MODULE_PARM_DESC(enable, "Enable VXPocket soundcard.");
50 module_param_array(ibl, int, NULL, 0444);
51 MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard.");
52  
53
54 /*
55  */
56
57 static unsigned int card_alloc;
58 static dev_link_t *dev_list;            /* Linked list of devices */
59 static dev_info_t dev_info = "snd-vxpocket";
60
61
62 static int vxpocket_event(event_t event, int priority, event_callback_args_t *args);
63
64
65 /*
66  */
67 static void vxpocket_release(dev_link_t *link)
68 {
69         if (link->state & DEV_CONFIG) {
70                 /* release cs resources */
71                 pcmcia_release_configuration(link->handle);
72                 pcmcia_release_io(link->handle, &link->io);
73                 pcmcia_release_irq(link->handle, &link->irq);
74                 link->state &= ~DEV_CONFIG;
75         }
76         if (link->handle) {
77                 /* Break the link with Card Services */
78                 pcmcia_deregister_client(link->handle);
79                 link->handle = NULL;
80         }
81 }
82
83 /*
84  * destructor, called from snd_card_free_in_thread()
85  */
86 static int snd_vxpocket_dev_free(snd_device_t *device)
87 {
88         vx_core_t *chip = device->device_data;
89
90         snd_vx_free_firmware(chip);
91         kfree(chip);
92         return 0;
93 }
94
95
96 /*
97  * Hardware information
98  */
99
100 /* VX-pocket V2
101  *
102  * 1 DSP, 1 sync UER
103  * 1 programmable clock (NIY)
104  * 1 stereo analog input (line/micro)
105  * 1 stereo analog output
106  * Only output levels can be modified
107  */
108
109 static struct snd_vx_hardware vxpocket_hw = {
110         .name = "VXPocket",
111         .type = VX_TYPE_VXPOCKET,
112
113         /* hardware specs */
114         .num_codecs = 1,
115         .num_ins = 1,
116         .num_outs = 1,
117         .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
118 };      
119
120 /* VX-pocket 440
121  *
122  * 1 DSP, 1 sync UER, 1 sync World Clock (NIY)
123  * SMPTE (NIY)
124  * 2 stereo analog input (line/micro)
125  * 2 stereo analog output
126  * Only output levels can be modified
127  * UER, but only for the first two inputs and outputs.
128  */
129
130 static struct snd_vx_hardware vxp440_hw = {
131         .name = "VXPocket440",
132         .type = VX_TYPE_VXP440,
133
134         /* hardware specs */
135         .num_codecs = 2,
136         .num_ins = 2,
137         .num_outs = 2,
138         .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
139 };      
140
141
142 /*
143  * create vxpocket instance
144  */
145 static struct snd_vxpocket *snd_vxpocket_new(snd_card_t *card, int ibl)
146 {
147         client_reg_t client_reg;        /* Register with cardmgr */
148         dev_link_t *link;               /* Info for cardmgr */
149         vx_core_t *chip;
150         struct snd_vxpocket *vxp;
151         int ret;
152         static snd_device_ops_t ops = {
153                 .dev_free =     snd_vxpocket_dev_free,
154         };
155
156         chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
157                              sizeof(struct snd_vxpocket) - sizeof(vx_core_t));
158         if (! chip)
159                 return NULL;
160
161         if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops) < 0) {
162                 kfree(chip);
163                 return NULL;
164         }
165         chip->ibl.size = ibl;
166
167         vxp = (struct snd_vxpocket *)chip;
168
169         link = &vxp->link;
170         link->priv = chip;
171
172         link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
173         link->io.NumPorts1 = 16;
174
175         link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
176
177         link->irq.IRQInfo1 = IRQ_LEVEL_ID;
178         link->irq.Handler = &snd_vx_irq_handler;
179         link->irq.Instance = chip;
180
181         link->conf.Attributes = CONF_ENABLE_IRQ;
182         link->conf.Vcc = 50;
183         link->conf.IntType = INT_MEMORY_AND_IO;
184         link->conf.ConfigIndex = 1;
185         link->conf.Present = PRESENT_OPTION;
186
187         /* Register with Card Services */
188         memset(&client_reg, 0, sizeof(client_reg));
189         client_reg.dev_info = &dev_info;
190         client_reg.EventMask = 
191                 CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL
192 #ifdef CONFIG_PM
193                 | CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET
194                 | CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME
195 #endif
196                 ;
197         client_reg.event_handler = &vxpocket_event;
198         client_reg.Version = 0x0210;
199         client_reg.event_callback_args.client_data = link;
200
201         ret = pcmcia_register_client(&link->handle, &client_reg);
202         if (ret != CS_SUCCESS) {
203                 cs_error(link->handle, RegisterClient, ret);
204                 return NULL;
205         }
206
207         return vxp;
208 }
209
210
211 /**
212  * snd_vxpocket_assign_resources - initialize the hardware and card instance.
213  * @port: i/o port for the card
214  * @irq: irq number for the card
215  *
216  * this function assigns the specified port and irq, boot the card,
217  * create pcm and control instances, and initialize the rest hardware.
218  *
219  * returns 0 if successful, or a negative error code.
220  */
221 static int snd_vxpocket_assign_resources(vx_core_t *chip, int port, int irq)
222 {
223         int err;
224         snd_card_t *card = chip->card;
225         struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
226
227         snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq);
228         vxp->port = port;
229
230         sprintf(card->shortname, "Digigram %s", card->driver);
231         sprintf(card->longname, "%s at 0x%x, irq %i",
232                 card->shortname, port, irq);
233
234         chip->irq = irq;
235
236         if ((err = snd_vx_setup_firmware(chip)) < 0)
237                 return err;
238
239         return 0;
240 }
241
242
243 /*
244  * configuration callback
245  */
246
247 #define CS_CHECK(fn, ret) \
248 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
249
250 static void vxpocket_config(dev_link_t *link)
251 {
252         client_handle_t handle = link->handle;
253         vx_core_t *chip = link->priv;
254         struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
255         tuple_t tuple;
256         cisparse_t *parse;
257         u_short buf[32];
258         int last_fn, last_ret;
259
260         snd_printdd(KERN_DEBUG "vxpocket_config called\n");
261         parse = kmalloc(sizeof(*parse), GFP_KERNEL);
262         if (! parse) {
263                 snd_printk(KERN_ERR "vx: cannot allocate\n");
264                 return;
265         }
266         tuple.Attributes = 0;
267         tuple.TupleData = (cisdata_t *)buf;
268         tuple.TupleDataMax = sizeof(buf);
269         tuple.TupleOffset = 0;
270         tuple.DesiredTuple = CISTPL_CONFIG;
271         CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
272         CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
273         CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, parse));
274         link->conf.ConfigBase = parse->config.base;
275         link->conf.Present = parse->config.rmask[0];
276
277         /* redefine hardware record according to the VERSION1 string */
278         tuple.DesiredTuple = CISTPL_VERS_1;
279         CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
280         CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
281         CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, parse));
282         if (! strcmp(parse->version_1.str + parse->version_1.ofs[1], "VX-POCKET")) {
283                 snd_printdd("VX-pocket is detected\n");
284         } else {
285                 snd_printdd("VX-pocket 440 is detected\n");
286                 /* overwrite the hardware information */
287                 chip->hw = &vxp440_hw;
288                 chip->type = vxp440_hw.type;
289                 strcpy(chip->card->driver, vxp440_hw.name);
290         }
291
292         /* Configure card */
293         link->state |= DEV_CONFIG;
294
295         CS_CHECK(RequestIO, pcmcia_request_io(handle, &link->io));
296         CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq));
297         CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf));
298
299         chip->dev = &handle_to_dev(link->handle);
300
301         if (snd_vxpocket_assign_resources(chip, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
302                 goto failed;
303
304         link->dev = &vxp->node;
305         link->state &= ~DEV_CONFIG_PENDING;
306         kfree(parse);
307         return;
308
309 cs_failed:
310         cs_error(link->handle, last_fn, last_ret);
311 failed:
312         pcmcia_release_configuration(link->handle);
313         pcmcia_release_io(link->handle, &link->io);
314         pcmcia_release_irq(link->handle, &link->irq);
315         link->state &= ~DEV_CONFIG;
316         kfree(parse);
317 }
318
319
320 /*
321  * event callback
322  */
323 static int vxpocket_event(event_t event, int priority, event_callback_args_t *args)
324 {
325         dev_link_t *link = args->client_data;
326         vx_core_t *chip = link->priv;
327
328         switch (event) {
329         case CS_EVENT_CARD_REMOVAL:
330                 snd_printdd(KERN_DEBUG "CARD_REMOVAL..\n");
331                 link->state &= ~DEV_PRESENT;
332                 if (link->state & DEV_CONFIG)
333                         chip->chip_status |= VX_STAT_IS_STALE;
334                 break;
335         case CS_EVENT_CARD_INSERTION:
336                 snd_printdd(KERN_DEBUG "CARD_INSERTION..\n");
337                 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
338                 vxpocket_config(link);
339                 break;
340 #ifdef CONFIG_PM
341         case CS_EVENT_PM_SUSPEND:
342                 snd_printdd(KERN_DEBUG "SUSPEND\n");
343                 link->state |= DEV_SUSPEND;
344                 if (chip && chip->card->pm_suspend) {
345                         snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
346                         chip->card->pm_suspend(chip->card, PMSG_SUSPEND);
347                 }
348                 /* Fall through... */
349         case CS_EVENT_RESET_PHYSICAL:
350                 snd_printdd(KERN_DEBUG "RESET_PHYSICAL\n");
351                 if (link->state & DEV_CONFIG)
352                         pcmcia_release_configuration(link->handle);
353                 break;
354         case CS_EVENT_PM_RESUME:
355                 snd_printdd(KERN_DEBUG "RESUME\n");
356                 link->state &= ~DEV_SUSPEND;
357                 /* Fall through... */
358         case CS_EVENT_CARD_RESET:
359                 snd_printdd(KERN_DEBUG "CARD_RESET\n");
360                 if (DEV_OK(link)) {
361                         //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
362                         snd_printdd(KERN_DEBUG "requestconfig...\n");
363                         pcmcia_request_configuration(link->handle, &link->conf);
364                         if (chip && chip->card->pm_resume) {
365                                 snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
366                                 chip->card->pm_resume(chip->card);
367                         }
368                 }
369                 snd_printdd(KERN_DEBUG "resume done!\n");
370                 break;
371 #endif
372         }
373         return 0;
374 }
375
376
377 /*
378  */
379 static dev_link_t *vxp_attach(void)
380 {
381         snd_card_t *card;
382         struct snd_vxpocket *vxp;
383         int i;
384
385         /* find an empty slot from the card list */
386         for (i = 0; i < SNDRV_CARDS; i++) {
387                 if (! card_alloc & (1 << i))
388                         break;
389         }
390         if (i >= SNDRV_CARDS) {
391                 snd_printk(KERN_ERR "vxpocket: too many cards found\n");
392                 return NULL;
393         }
394         if (! enable[i])
395                 return NULL; /* disabled explicitly */
396
397         /* ok, create a card instance */
398         card = snd_card_new(index[i], id[i], THIS_MODULE, 0);
399         if (card == NULL) {
400                 snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
401                 return NULL;
402         }
403
404         vxp = snd_vxpocket_new(card, ibl[i]);
405         if (! vxp) {
406                 snd_card_free(card);
407                 return NULL;
408         }
409
410         vxp->index = index[i];
411         card_alloc |= 1 << i;
412
413         /* Chain drivers */
414         vxp->link.next = dev_list;
415         dev_list = &vxp->link;
416
417         return &vxp->link;
418 }
419
420 static void vxp_detach(dev_link_t *link)
421 {
422         struct snd_vxpocket *vxp;
423         vx_core_t *chip;
424         dev_link_t **linkp;
425
426         if (! link)
427                 return;
428
429         vxp = link->priv;
430         chip = (vx_core_t *)vxp;
431         card_alloc &= ~(1 << vxp->index);
432
433         /* Remove the interface data from the linked list */
434         for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
435                 if (*linkp == link) {
436                         *linkp = link->next;
437                         break;
438                 }
439
440         chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */
441         snd_card_disconnect(chip->card);
442         vxpocket_release(link);
443         snd_card_free_in_thread(chip->card);
444 }
445
446 /*
447  * Module entry points
448  */
449
450 static struct pcmcia_device_id vxp_ids[] = {
451         PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
452         PCMCIA_DEVICE_NULL
453 };
454 MODULE_DEVICE_TABLE(pcmcia, vxp_ids);
455
456 static struct pcmcia_driver vxp_cs_driver = {
457         .owner          = THIS_MODULE,
458         .drv            = {
459                 .name   = "snd-vxpocket",
460         },
461         .attach         = vxp_attach,
462         .detach         = vxp_detach,
463         .id_table       = vxp_ids,
464 };
465
466 static int __init init_vxpocket(void)
467 {
468         return pcmcia_register_driver(&vxp_cs_driver);
469 }
470
471 static void __exit exit_vxpocket(void)
472 {
473         pcmcia_unregister_driver(&vxp_cs_driver);
474         BUG_ON(dev_list != NULL);
475 }
476
477 module_init(init_vxpocket);
478 module_exit(exit_vxpocket);