blob: 53d8172c52ae328a024a1bd14be54e7d086977f8 [file] [log] [blame]
/*
* Driver for Digigram VXpocket soundcards
*
* PCMCIA entry part
*
* 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 <sound/core.h>
#include "vxpocket.h"
#include <pcmcia/ciscode.h>
#include <pcmcia/cisreg.h>
MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
MODULE_DESCRIPTION("Common routines for Digigram PCMCIA VX drivers");
MODULE_LICENSE("GPL");
/*
* prototypes
*/
static void vxpocket_config(dev_link_t *link);
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;
}
}
/*
* destructor
*/
static int snd_vxpocket_free(vx_core_t *chip)
{
struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
struct snd_vxp_entry *hw;
dev_link_t *link = &vxp->link;
vxpocket_release(link);
/* Break the link with Card Services */
if (link->handle)
pcmcia_deregister_client(link->handle);
hw = vxp->hw_entry;
if (hw)
hw->card_list[vxp->index] = NULL;
chip->card = NULL;
if (chip->dev)
kfree(chip->dev);
snd_vx_free_firmware(chip);
kfree(chip);
return 0;
}
static int snd_vxpocket_dev_free(snd_device_t *device)
{
vx_core_t *chip = device->device_data;
return snd_vxpocket_free(chip);
}
/*
* snd_vxpocket_attach - attach callback for cs
* @hw: the hardware information
*/
dev_link_t *snd_vxpocket_attach(struct snd_vxp_entry *hw)
{
client_reg_t client_reg; /* Register with cardmgr */
dev_link_t *link; /* Info for cardmgr */
int i, ret;
vx_core_t *chip;
struct snd_vxpocket *vxp;
snd_card_t *card;
static snd_device_ops_t ops = {
.dev_free = snd_vxpocket_dev_free,
};
snd_printdd(KERN_DEBUG "vxpocket_attach called\n");
/* find an empty slot from the card list */
for (i = 0; i < SNDRV_CARDS; i++) {
if (! hw->card_list[i])
break;
}
if (i >= SNDRV_CARDS) {
snd_printk(KERN_ERR "vxpocket: too many cards found\n");
return NULL;
}
if (! hw->enable_table[i])
return NULL; /* disabled explicitly */
/* ok, create a card instance */
card = snd_card_new(hw->index_table[i], hw->id_table[i], THIS_MODULE, 0);
if (card == NULL) {
snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
return NULL;
}
chip = snd_vx_create(card, hw->hardware, hw->ops,
sizeof(struct snd_vxpocket) - sizeof(vx_core_t));
if (! chip)
return NULL;
#ifdef SND_VX_FW_LOADER
/* fake a device here since pcmcia doesn't give a valid device... */
chip->dev = kcalloc(1, sizeof(*chip->dev), GFP_KERNEL);
if (! chip->dev) {
snd_printk(KERN_ERR "vxp: can't malloc chip->dev\n");
kfree(chip);
snd_card_free(card);
return NULL;
}
device_initialize(chip->dev);
sprintf(chip->dev->bus_id, "vxpocket%d", i);
#endif
if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops) < 0) {
kfree(chip);
snd_card_free(card);
return NULL;
}
vxp = (struct snd_vxpocket *)chip;
vxp->index = i;
vxp->hw_entry = hw;
chip->ibl.size = hw->ibl[i];
hw->card_list[i] = 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.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED;
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 = hw->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);
snd_card_free(card);
return NULL;
}
/* Chain drivers */
link->next = hw->dev_list;
hw->dev_list = link;
/* snd_card_set_pm_callback(card, snd_vxpocket_suspend, snd_vxpocket_resume, chip); */
return link;
}
/**
* 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(vx_core_t *chip, int port, int irq)
{
int err;
snd_card_t *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;
}
/*
* snd_vxpocket_detach - detach callback for cs
* @hw: the hardware information
*/
void snd_vxpocket_detach(struct snd_vxp_entry *hw, dev_link_t *link)
{
vx_core_t *chip;
if (! link)
return;
chip = link->priv;
snd_printdd(KERN_DEBUG "vxpocket_detach called\n");
/* Remove the interface data from the linked list */
if (hw) {
dev_link_t **linkp;
/* Locate device structure */
for (linkp = &hw->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);
snd_card_free_in_thread(chip->card);
}
/*
* 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;
vx_core_t *chip = link->priv;
struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
tuple_t tuple;
cisparse_t *parse = NULL;
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];
/* 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));
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;
vx_core_t *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 && chip->card->pm_suspend) {
snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
chip->card->pm_suspend(chip->card, 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 && chip->card->pm_resume) {
snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
chip->card->pm_resume(chip->card);
}
}
snd_printdd(KERN_DEBUG "resume done!\n");
break;
#endif
}
return 0;
}
/*
* exported stuffs
*/
EXPORT_SYMBOL(snd_vxpocket_ops);
EXPORT_SYMBOL(snd_vxpocket_attach);
EXPORT_SYMBOL(snd_vxpocket_detach);