| /* |
| * Driver for Sound Core PDAudioCF soundcard |
| * |
| * Copyright (c) 2003 by Jaroslav Kysela <perex@suse.cz> |
| * |
| * 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 <linux/slab.h> |
| #include <linux/moduleparam.h> |
| #include <pcmcia/ciscode.h> |
| #include <pcmcia/cisreg.h> |
| #include "pdaudiocf.h" |
| #include <sound/initval.h> |
| #include <linux/init.h> |
| |
| /* |
| */ |
| |
| #define CARD_NAME "PDAudio-CF" |
| |
| MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); |
| MODULE_DESCRIPTION("Sound Core " CARD_NAME); |
| MODULE_LICENSE("GPL"); |
| MODULE_SUPPORTED_DEVICE("{{Sound Core," CARD_NAME "}}"); |
| |
| 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 */ |
| |
| module_param_array(index, int, NULL, 0444); |
| MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard."); |
| module_param_array(id, charp, NULL, 0444); |
| MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard."); |
| module_param_array(enable, bool, NULL, 0444); |
| MODULE_PARM_DESC(enable, "Enable " CARD_NAME " soundcard."); |
| |
| /* |
| */ |
| |
| static struct snd_card *card_list[SNDRV_CARDS]; |
| |
| /* |
| * prototypes |
| */ |
| static int pdacf_config(struct pcmcia_device *link); |
| static void snd_pdacf_detach(struct pcmcia_device *p_dev); |
| |
| static void pdacf_release(struct pcmcia_device *link) |
| { |
| pcmcia_disable_device(link); |
| } |
| |
| /* |
| * destructor |
| */ |
| static int snd_pdacf_free(struct snd_pdacf *pdacf) |
| { |
| struct pcmcia_device *link = pdacf->p_dev; |
| |
| pdacf_release(link); |
| |
| card_list[pdacf->index] = NULL; |
| pdacf->card = NULL; |
| |
| kfree(pdacf); |
| return 0; |
| } |
| |
| static int snd_pdacf_dev_free(struct snd_device *device) |
| { |
| struct snd_pdacf *chip = device->device_data; |
| return snd_pdacf_free(chip); |
| } |
| |
| /* |
| * snd_pdacf_attach - attach callback for cs |
| */ |
| static int snd_pdacf_probe(struct pcmcia_device *link) |
| { |
| int i; |
| struct snd_pdacf *pdacf; |
| struct snd_card *card; |
| static struct snd_device_ops ops = { |
| .dev_free = snd_pdacf_dev_free, |
| }; |
| |
| snd_printdd(KERN_DEBUG "pdacf_attach called\n"); |
| /* find an empty slot from the card list */ |
| for (i = 0; i < SNDRV_CARDS; i++) { |
| if (! card_list[i]) |
| break; |
| } |
| if (i >= SNDRV_CARDS) { |
| snd_printk(KERN_ERR "pdacf: too many cards found\n"); |
| return -EINVAL; |
| } |
| if (! enable[i]) |
| return -ENODEV; /* 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 "pdacf: cannot create a card instance\n"); |
| return -ENOMEM; |
| } |
| |
| pdacf = snd_pdacf_create(card); |
| if (! pdacf) |
| return -EIO; |
| |
| if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, pdacf, &ops) < 0) { |
| kfree(pdacf); |
| snd_card_free(card); |
| return -ENODEV; |
| } |
| |
| pdacf->index = i; |
| card_list[i] = card; |
| |
| pdacf->p_dev = link; |
| link->priv = pdacf; |
| |
| link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; |
| link->io.NumPorts1 = 16; |
| |
| link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT | IRQ_FORCED_PULSE; |
| // link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED; |
| |
| link->irq.IRQInfo1 = 0 /* | IRQ_LEVEL_ID */; |
| link->irq.Handler = pdacf_interrupt; |
| link->irq.Instance = pdacf; |
| link->conf.Attributes = CONF_ENABLE_IRQ; |
| link->conf.IntType = INT_MEMORY_AND_IO; |
| link->conf.ConfigIndex = 1; |
| link->conf.Present = PRESENT_OPTION; |
| |
| return pdacf_config(link); |
| } |
| |
| |
| /** |
| * snd_pdacf_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_pdacf_assign_resources(struct snd_pdacf *pdacf, int port, int irq) |
| { |
| int err; |
| struct snd_card *card = pdacf->card; |
| |
| snd_printdd(KERN_DEBUG "pdacf assign resources: port = 0x%x, irq = %d\n", port, irq); |
| pdacf->port = port; |
| pdacf->irq = irq; |
| pdacf->chip_status |= PDAUDIOCF_STAT_IS_CONFIGURED; |
| |
| err = snd_pdacf_ak4117_create(pdacf); |
| if (err < 0) |
| return err; |
| |
| strcpy(card->driver, "PDAudio-CF"); |
| sprintf(card->shortname, "Core Sound %s", card->driver); |
| sprintf(card->longname, "%s at 0x%x, irq %i", |
| card->shortname, port, irq); |
| |
| err = snd_pdacf_pcm_new(pdacf); |
| if (err < 0) |
| return err; |
| |
| if ((err = snd_card_register(card)) < 0) |
| return err; |
| |
| return 0; |
| } |
| |
| |
| /* |
| * snd_pdacf_detach - detach callback for cs |
| */ |
| static void snd_pdacf_detach(struct pcmcia_device *link) |
| { |
| struct snd_pdacf *chip = link->priv; |
| |
| snd_printdd(KERN_DEBUG "pdacf_detach called\n"); |
| |
| if (chip->chip_status & PDAUDIOCF_STAT_IS_CONFIGURED) |
| snd_pdacf_powerdown(chip); |
| chip->chip_status |= PDAUDIOCF_STAT_IS_STALE; /* to be sure */ |
| snd_card_disconnect(chip->card); |
| snd_card_free_when_closed(chip->card); |
| } |
| |
| /* |
| * configuration callback |
| */ |
| |
| #define CS_CHECK(fn, ret) \ |
| do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) |
| |
| static int pdacf_config(struct pcmcia_device *link) |
| { |
| struct snd_pdacf *pdacf = link->priv; |
| tuple_t tuple; |
| cisparse_t *parse = NULL; |
| u_short buf[32]; |
| int last_fn, last_ret; |
| |
| snd_printdd(KERN_DEBUG "pdacf_config called\n"); |
| parse = kmalloc(sizeof(*parse), GFP_KERNEL); |
| if (! parse) { |
| snd_printk(KERN_ERR "pdacf_config: cannot allocate\n"); |
| return -ENOMEM; |
| } |
| tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; |
| 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(link, &tuple)); |
| CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); |
| CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, parse)); |
| link->conf.ConfigBase = parse->config.base; |
| link->conf.ConfigIndex = 0x5; |
| |
| CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io)); |
| CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); |
| CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); |
| |
| kfree(parse); |
| |
| if (snd_pdacf_assign_resources(pdacf, link->io.BasePort1, link->irq.AssignedIRQ) < 0) |
| goto failed; |
| |
| link->dev_node = &pdacf->node; |
| return 0; |
| |
| cs_failed: |
| kfree(parse); |
| cs_error(link, last_fn, last_ret); |
| failed: |
| pcmcia_disable_device(link); |
| return -ENODEV; |
| } |
| |
| #ifdef CONFIG_PM |
| |
| static int pdacf_suspend(struct pcmcia_device *link) |
| { |
| struct snd_pdacf *chip = link->priv; |
| |
| snd_printdd(KERN_DEBUG "SUSPEND\n"); |
| if (chip) { |
| snd_printdd(KERN_DEBUG "snd_pdacf_suspend calling\n"); |
| snd_pdacf_suspend(chip, PMSG_SUSPEND); |
| } |
| |
| return 0; |
| } |
| |
| static int pdacf_resume(struct pcmcia_device *link) |
| { |
| struct snd_pdacf *chip = link->priv; |
| |
| snd_printdd(KERN_DEBUG "RESUME\n"); |
| if (pcmcia_dev_present(link)) { |
| if (chip) { |
| snd_printdd(KERN_DEBUG "calling snd_pdacf_resume\n"); |
| snd_pdacf_resume(chip); |
| } |
| } |
| snd_printdd(KERN_DEBUG "resume done!\n"); |
| |
| return 0; |
| } |
| |
| #endif |
| |
| /* |
| * Module entry points |
| */ |
| static struct pcmcia_device_id snd_pdacf_ids[] = { |
| PCMCIA_DEVICE_MANF_CARD(0x015d, 0x4c45), |
| PCMCIA_DEVICE_NULL |
| }; |
| MODULE_DEVICE_TABLE(pcmcia, snd_pdacf_ids); |
| |
| static struct pcmcia_driver pdacf_cs_driver = { |
| .owner = THIS_MODULE, |
| .drv = { |
| .name = "snd-pdaudiocf", |
| }, |
| .probe = snd_pdacf_probe, |
| .remove = snd_pdacf_detach, |
| .id_table = snd_pdacf_ids, |
| #ifdef CONFIG_PM |
| .suspend = pdacf_suspend, |
| .resume = pdacf_resume, |
| #endif |
| |
| }; |
| |
| static int __init init_pdacf(void) |
| { |
| return pcmcia_register_driver(&pdacf_cs_driver); |
| } |
| |
| static void __exit exit_pdacf(void) |
| { |
| pcmcia_unregister_driver(&pdacf_cs_driver); |
| } |
| |
| module_init(init_pdacf); |
| module_exit(exit_pdacf); |