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linux/sound/pcmcia/vx/vxpocket.c

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/*
* Driver for Digigram VXpocket V2/440 soundcards
*
* Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <sound/driver.h>
#include <linux/init.h>
#include <linux/moduleparam.h>
#include <sound/core.h>
#include "vxpocket.h"
#include <pcmcia/ciscode.h>
#include <pcmcia/cisreg.h>
#include <sound/initval.h>
/*
*/
MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
MODULE_DESCRIPTION("Digigram VXPocket");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}");
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */
static int ibl[SNDRV_CARDS];
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for VXPocket soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for VXPocket soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable VXPocket soundcard.");
module_param_array(ibl, int, NULL, 0444);
MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard.");
/*
*/
static unsigned int card_alloc;
static dev_link_t *dev_list; /* Linked list of devices */
static dev_info_t dev_info = "snd-vxpocket";
static int vxpocket_event(event_t event, int priority, event_callback_args_t *args);
/*
*/
static void vxpocket_release(dev_link_t *link)
{
if (link->state & DEV_CONFIG) {
/* release cs resources */
pcmcia_release_configuration(link->handle);
pcmcia_release_io(link->handle, &link->io);
pcmcia_release_irq(link->handle, &link->irq);
link->state &= ~DEV_CONFIG;
}
if (link->handle) {
/* Break the link with Card Services */
pcmcia_deregister_client(link->handle);
link->handle = NULL;
}
}
/*
* destructor, called from snd_card_free_in_thread()
*/
static int snd_vxpocket_dev_free(struct snd_device *device)
{
struct vx_core *chip = device->device_data;
snd_vx_free_firmware(chip);
kfree(chip);
return 0;
}
/*
* Hardware information
*/
/* VX-pocket V2
*
* 1 DSP, 1 sync UER
* 1 programmable clock (NIY)
* 1 stereo analog input (line/micro)
* 1 stereo analog output
* Only output levels can be modified
*/
static struct snd_vx_hardware vxpocket_hw = {
.name = "VXPocket",
.type = VX_TYPE_VXPOCKET,
/* hardware specs */
.num_codecs = 1,
.num_ins = 1,
.num_outs = 1,
.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
};
/* VX-pocket 440
*
* 1 DSP, 1 sync UER, 1 sync World Clock (NIY)
* SMPTE (NIY)
* 2 stereo analog input (line/micro)
* 2 stereo analog output
* Only output levels can be modified
* UER, but only for the first two inputs and outputs.
*/
static struct snd_vx_hardware vxp440_hw = {
.name = "VXPocket440",
.type = VX_TYPE_VXP440,
/* hardware specs */
.num_codecs = 2,
.num_ins = 2,
.num_outs = 2,
.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
};
/*
* create vxpocket instance
*/
static struct snd_vxpocket *snd_vxpocket_new(struct snd_card *card, int ibl)
{
client_reg_t client_reg; /* Register with cardmgr */
dev_link_t *link; /* Info for cardmgr */
struct vx_core *chip;
struct snd_vxpocket *vxp;
int ret;
static struct snd_device_ops ops = {
.dev_free = snd_vxpocket_dev_free,
};
chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
if (! chip)
return NULL;
if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops) < 0) {
kfree(chip);
return NULL;
}
chip->ibl.size = ibl;
vxp = (struct snd_vxpocket *)chip;
link = &vxp->link;
link->priv = chip;
link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
link->io.NumPorts1 = 16;
link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
link->irq.IRQInfo1 = IRQ_LEVEL_ID;
link->irq.Handler = &snd_vx_irq_handler;
link->irq.Instance = chip;
link->conf.Attributes = CONF_ENABLE_IRQ;
link->conf.Vcc = 50;
link->conf.IntType = INT_MEMORY_AND_IO;
link->conf.ConfigIndex = 1;
link->conf.Present = PRESENT_OPTION;
/* Register with Card Services */
memset(&client_reg, 0, sizeof(client_reg));
client_reg.dev_info = &dev_info;
client_reg.EventMask =
CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL
#ifdef CONFIG_PM
| CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET
| CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME
#endif
;
client_reg.event_handler = &vxpocket_event;
client_reg.Version = 0x0210;
client_reg.event_callback_args.client_data = link;
ret = pcmcia_register_client(&link->handle, &client_reg);
if (ret != CS_SUCCESS) {
cs_error(link->handle, RegisterClient, ret);
return NULL;
}
return vxp;
}
/**
* snd_vxpocket_assign_resources - initialize the hardware and card instance.
* @port: i/o port for the card
* @irq: irq number for the card
*
* this function assigns the specified port and irq, boot the card,
* create pcm and control instances, and initialize the rest hardware.
*
* returns 0 if successful, or a negative error code.
*/
static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq)
{
int err;
struct snd_card *card = chip->card;
struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq);
vxp->port = port;
sprintf(card->shortname, "Digigram %s", card->driver);
sprintf(card->longname, "%s at 0x%x, irq %i",
card->shortname, port, irq);
chip->irq = irq;
if ((err = snd_vx_setup_firmware(chip)) < 0)
return err;
return 0;
}
/*
* configuration callback
*/
#define CS_CHECK(fn, ret) \
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
static void vxpocket_config(dev_link_t *link)
{
client_handle_t handle = link->handle;
struct vx_core *chip = link->priv;
struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
tuple_t tuple;
cisparse_t *parse;
u_short buf[32];
int last_fn, last_ret;
snd_printdd(KERN_DEBUG "vxpocket_config called\n");
parse = kmalloc(sizeof(*parse), GFP_KERNEL);
if (! parse) {
snd_printk(KERN_ERR "vx: cannot allocate\n");
return;
}
tuple.Attributes = 0;
tuple.TupleData = (cisdata_t *)buf;
tuple.TupleDataMax = sizeof(buf);
tuple.TupleOffset = 0;
tuple.DesiredTuple = CISTPL_CONFIG;
CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, parse));
link->conf.ConfigBase = parse->config.base;
link->conf.Present = parse->config.rmask[0];
/* redefine hardware record according to the VERSION1 string */
tuple.DesiredTuple = CISTPL_VERS_1;
CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, parse));
if (! strcmp(parse->version_1.str + parse->version_1.ofs[1], "VX-POCKET")) {
snd_printdd("VX-pocket is detected\n");
} else {
snd_printdd("VX-pocket 440 is detected\n");
/* overwrite the hardware information */
chip->hw = &vxp440_hw;
chip->type = vxp440_hw.type;
strcpy(chip->card->driver, vxp440_hw.name);
}
/* Configure card */
link->state |= DEV_CONFIG;
CS_CHECK(RequestIO, pcmcia_request_io(handle, &link->io));
CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq));
CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf));
chip->dev = &handle_to_dev(link->handle);
snd_card_set_dev(chip->card, chip->dev);
if (snd_vxpocket_assign_resources(chip, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
goto failed;
link->dev = &vxp->node;
link->state &= ~DEV_CONFIG_PENDING;
kfree(parse);
return;
cs_failed:
cs_error(link->handle, last_fn, last_ret);
failed:
pcmcia_release_configuration(link->handle);
pcmcia_release_io(link->handle, &link->io);
pcmcia_release_irq(link->handle, &link->irq);
link->state &= ~DEV_CONFIG;
kfree(parse);
}
/*
* event callback
*/
static int vxpocket_event(event_t event, int priority, event_callback_args_t *args)
{
dev_link_t *link = args->client_data;
struct vx_core *chip = link->priv;
switch (event) {
case CS_EVENT_CARD_REMOVAL:
snd_printdd(KERN_DEBUG "CARD_REMOVAL..\n");
link->state &= ~DEV_PRESENT;
if (link->state & DEV_CONFIG)
chip->chip_status |= VX_STAT_IS_STALE;
break;
case CS_EVENT_CARD_INSERTION:
snd_printdd(KERN_DEBUG "CARD_INSERTION..\n");
link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
vxpocket_config(link);
break;
#ifdef CONFIG_PM
case CS_EVENT_PM_SUSPEND:
snd_printdd(KERN_DEBUG "SUSPEND\n");
link->state |= DEV_SUSPEND;
if (chip) {
snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
snd_vx_suspend(chip, PMSG_SUSPEND);
}
/* Fall through... */
case CS_EVENT_RESET_PHYSICAL:
snd_printdd(KERN_DEBUG "RESET_PHYSICAL\n");
if (link->state & DEV_CONFIG)
pcmcia_release_configuration(link->handle);
break;
case CS_EVENT_PM_RESUME:
snd_printdd(KERN_DEBUG "RESUME\n");
link->state &= ~DEV_SUSPEND;
/* Fall through... */
case CS_EVENT_CARD_RESET:
snd_printdd(KERN_DEBUG "CARD_RESET\n");
if (DEV_OK(link)) {
//struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
snd_printdd(KERN_DEBUG "requestconfig...\n");
pcmcia_request_configuration(link->handle, &link->conf);
if (chip) {
snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
snd_vx_resume(chip);
}
}
snd_printdd(KERN_DEBUG "resume done!\n");
break;
#endif
}
return 0;
}
/*
*/
static dev_link_t *vxpocket_attach(void)
{
struct snd_card *card;
struct snd_vxpocket *vxp;
int i;
/* find an empty slot from the card list */
for (i = 0; i < SNDRV_CARDS; i++) {
if (! card_alloc & (1 << i))
break;
}
if (i >= SNDRV_CARDS) {
snd_printk(KERN_ERR "vxpocket: too many cards found\n");
return NULL;
}
if (! enable[i])
return NULL; /* disabled explicitly */
/* ok, create a card instance */
card = snd_card_new(index[i], id[i], THIS_MODULE, 0);
if (card == NULL) {
snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
return NULL;
}
vxp = snd_vxpocket_new(card, ibl[i]);
if (! vxp) {
snd_card_free(card);
return NULL;
}
card->private_data = vxp;
vxp->index = i;
card_alloc |= 1 << i;
/* Chain drivers */
vxp->link.next = dev_list;
dev_list = &vxp->link;
return &vxp->link;
}
static void vxpocket_detach(dev_link_t *link)
{
struct snd_vxpocket *vxp;
struct vx_core *chip;
dev_link_t **linkp;
if (! link)
return;
vxp = link->priv;
chip = (struct vx_core *)vxp;
card_alloc &= ~(1 << vxp->index);
/* Remove the interface data from the linked list */
for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
if (*linkp == link) {
*linkp = link->next;
break;
}
chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */
snd_card_disconnect(chip->card);
vxpocket_release(link);
snd_card_free_in_thread(chip->card);
}
/*
* Module entry points
*/
static struct pcmcia_device_id vxp_ids[] = {
PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
PCMCIA_DEVICE_NULL
};
MODULE_DEVICE_TABLE(pcmcia, vxp_ids);
static struct pcmcia_driver vxp_cs_driver = {
.owner = THIS_MODULE,
.drv = {
.name = "snd-vxpocket",
},
.attach = vxpocket_attach,
.detach = vxpocket_detach,
.event = vxpocket_event,
.id_table = vxp_ids,
};
static int __init init_vxpocket(void)
{
return pcmcia_register_driver(&vxp_cs_driver);
}
static void __exit exit_vxpocket(void)
{
pcmcia_unregister_driver(&vxp_cs_driver);
BUG_ON(dev_list != NULL);
}
module_init(init_vxpocket);
module_exit(exit_vxpocket);
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