2 * Driver for Digigram VXpocket soundcards
6 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include <sound/driver.h>
24 #include <sound/core.h>
26 #include <pcmcia/ciscode.h>
27 #include <pcmcia/cisreg.h>
30 MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
31 MODULE_DESCRIPTION("Common routines for Digigram PCMCIA VX drivers");
32 MODULE_LICENSE("GPL");
37 static void vxpocket_config(dev_link_t *link);
38 static int vxpocket_event(event_t event, int priority, event_callback_args_t *args);
41 static void vxpocket_release(dev_link_t *link)
43 if (link->state & DEV_CONFIG) {
44 /* release cs resources */
45 pcmcia_release_configuration(link->handle);
46 pcmcia_release_io(link->handle, &link->io);
47 pcmcia_release_irq(link->handle, &link->irq);
48 link->state &= ~DEV_CONFIG;
55 static int snd_vxpocket_free(vx_core_t *chip)
57 struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
58 struct snd_vxp_entry *hw;
59 dev_link_t *link = &vxp->link;
61 vxpocket_release(link);
63 /* Break the link with Card Services */
65 pcmcia_deregister_client(link->handle);
69 hw->card_list[vxp->index] = NULL;
73 snd_vx_free_firmware(chip);
78 static int snd_vxpocket_dev_free(snd_device_t *device)
80 vx_core_t *chip = device->device_data;
81 return snd_vxpocket_free(chip);
85 * snd_vxpocket_attach - attach callback for cs
86 * @hw: the hardware information
88 dev_link_t *snd_vxpocket_attach(struct snd_vxp_entry *hw)
90 client_reg_t client_reg; /* Register with cardmgr */
91 dev_link_t *link; /* Info for cardmgr */
94 struct snd_vxpocket *vxp;
96 static snd_device_ops_t ops = {
97 .dev_free = snd_vxpocket_dev_free,
100 snd_printdd(KERN_DEBUG "vxpocket_attach called\n");
101 /* find an empty slot from the card list */
102 for (i = 0; i < SNDRV_CARDS; i++) {
103 if (! hw->card_list[i])
106 if (i >= SNDRV_CARDS) {
107 snd_printk(KERN_ERR "vxpocket: too many cards found\n");
110 if (! hw->enable_table[i])
111 return NULL; /* disabled explicitly */
113 /* ok, create a card instance */
114 card = snd_card_new(hw->index_table[i], hw->id_table[i], THIS_MODULE, 0);
116 snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
120 chip = snd_vx_create(card, hw->hardware, hw->ops,
121 sizeof(struct snd_vxpocket) - sizeof(vx_core_t));
125 #ifdef SND_VX_FW_LOADER
126 /* fake a device here since pcmcia doesn't give a valid device... */
127 chip->dev = kcalloc(1, sizeof(*chip->dev), GFP_KERNEL);
129 snd_printk(KERN_ERR "vxp: can't malloc chip->dev\n");
134 device_initialize(chip->dev);
135 sprintf(chip->dev->bus_id, "vxpocket%d", i);
138 if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops) < 0) {
144 vxp = (struct snd_vxpocket *)chip;
147 chip->ibl.size = hw->ibl[i];
148 hw->card_list[i] = chip;
153 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
154 link->io.NumPorts1 = 16;
156 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
157 // link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED;
159 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
160 link->irq.Handler = &snd_vx_irq_handler;
161 link->irq.Instance = chip;
163 link->conf.Attributes = CONF_ENABLE_IRQ;
165 link->conf.IntType = INT_MEMORY_AND_IO;
166 link->conf.ConfigIndex = 1;
167 link->conf.Present = PRESENT_OPTION;
169 /* Register with Card Services */
170 memset(&client_reg, 0, sizeof(client_reg));
171 client_reg.dev_info = hw->dev_info;
172 client_reg.EventMask =
173 CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL
175 | CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET
176 | CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME
179 client_reg.event_handler = &vxpocket_event;
180 client_reg.Version = 0x0210;
181 client_reg.event_callback_args.client_data = link;
183 ret = pcmcia_register_client(&link->handle, &client_reg);
184 if (ret != CS_SUCCESS) {
185 cs_error(link->handle, RegisterClient, ret);
191 link->next = hw->dev_list;
194 /* snd_card_set_pm_callback(card, snd_vxpocket_suspend, snd_vxpocket_resume, chip); */
201 * snd_vxpocket_assign_resources - initialize the hardware and card instance.
202 * @port: i/o port for the card
203 * @irq: irq number for the card
205 * this function assigns the specified port and irq, boot the card,
206 * create pcm and control instances, and initialize the rest hardware.
208 * returns 0 if successful, or a negative error code.
210 static int snd_vxpocket_assign_resources(vx_core_t *chip, int port, int irq)
213 snd_card_t *card = chip->card;
214 struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
216 snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq);
219 sprintf(card->shortname, "Digigram %s", card->driver);
220 sprintf(card->longname, "%s at 0x%x, irq %i",
221 card->shortname, port, irq);
225 if ((err = snd_vx_setup_firmware(chip)) < 0)
233 * snd_vxpocket_detach - detach callback for cs
234 * @hw: the hardware information
236 void snd_vxpocket_detach(struct snd_vxp_entry *hw, dev_link_t *link)
245 snd_printdd(KERN_DEBUG "vxpocket_detach called\n");
246 /* Remove the interface data from the linked list */
249 /* Locate device structure */
250 for (linkp = &hw->dev_list; *linkp; linkp = &(*linkp)->next)
251 if (*linkp == link) {
256 chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */
257 snd_card_disconnect(chip->card);
258 snd_card_free_in_thread(chip->card);
262 * configuration callback
265 #define CS_CHECK(fn, ret) \
266 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
268 static void vxpocket_config(dev_link_t *link)
270 client_handle_t handle = link->handle;
271 vx_core_t *chip = link->priv;
272 struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
274 cisparse_t *parse = NULL;
276 int last_fn, last_ret;
278 snd_printdd(KERN_DEBUG "vxpocket_config called\n");
279 parse = kmalloc(sizeof(*parse), GFP_KERNEL);
281 snd_printk(KERN_ERR "vx: cannot allocate\n");
284 tuple.Attributes = 0;
285 tuple.TupleData = (cisdata_t *)buf;
286 tuple.TupleDataMax = sizeof(buf);
287 tuple.TupleOffset = 0;
288 tuple.DesiredTuple = CISTPL_CONFIG;
289 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
290 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
291 CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, parse));
292 link->conf.ConfigBase = parse->config.base;
293 link->conf.Present = parse->config.rmask[0];
296 link->state |= DEV_CONFIG;
298 CS_CHECK(RequestIO, pcmcia_request_io(handle, &link->io));
299 CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq));
300 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf));
302 if (snd_vxpocket_assign_resources(chip, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
305 link->dev = &vxp->node;
306 link->state &= ~DEV_CONFIG_PENDING;
311 cs_error(link->handle, last_fn, last_ret);
313 pcmcia_release_configuration(link->handle);
314 pcmcia_release_io(link->handle, &link->io);
315 pcmcia_release_irq(link->handle, &link->irq);
316 link->state &= ~DEV_CONFIG;
324 static int vxpocket_event(event_t event, int priority, event_callback_args_t *args)
326 dev_link_t *link = args->client_data;
327 vx_core_t *chip = link->priv;
330 case CS_EVENT_CARD_REMOVAL:
331 snd_printdd(KERN_DEBUG "CARD_REMOVAL..\n");
332 link->state &= ~DEV_PRESENT;
333 if (link->state & DEV_CONFIG) {
334 chip->chip_status |= VX_STAT_IS_STALE;
337 case CS_EVENT_CARD_INSERTION:
338 snd_printdd(KERN_DEBUG "CARD_INSERTION..\n");
339 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
340 vxpocket_config(link);
343 case CS_EVENT_PM_SUSPEND:
344 snd_printdd(KERN_DEBUG "SUSPEND\n");
345 link->state |= DEV_SUSPEND;
346 if (chip && chip->card->pm_suspend) {
347 snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
348 chip->card->pm_suspend(chip->card, PMSG_SUSPEND);
350 /* Fall through... */
351 case CS_EVENT_RESET_PHYSICAL:
352 snd_printdd(KERN_DEBUG "RESET_PHYSICAL\n");
353 if (link->state & DEV_CONFIG)
354 pcmcia_release_configuration(link->handle);
356 case CS_EVENT_PM_RESUME:
357 snd_printdd(KERN_DEBUG "RESUME\n");
358 link->state &= ~DEV_SUSPEND;
359 /* Fall through... */
360 case CS_EVENT_CARD_RESET:
361 snd_printdd(KERN_DEBUG "CARD_RESET\n");
363 //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
364 snd_printdd(KERN_DEBUG "requestconfig...\n");
365 pcmcia_request_configuration(link->handle, &link->conf);
366 if (chip && chip->card->pm_resume) {
367 snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
368 chip->card->pm_resume(chip->card);
371 snd_printdd(KERN_DEBUG "resume done!\n");
381 EXPORT_SYMBOL(snd_vxpocket_ops);
382 EXPORT_SYMBOL(snd_vxpocket_attach);
383 EXPORT_SYMBOL(snd_vxpocket_detach);