/* * Driver for Digigram VXpocket soundcards * * PCMCIA entry part * * Copyright (c) 2002 by Takashi Iwai * * 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 #include #include "vxpocket.h" #include #include /* * 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(u_long arg) { dev_link_t *link = (dev_link_t *)arg; if (link->state & DEV_CONFIG) { /* release cs resources */ CardServices(ReleaseConfiguration, link->handle); CardServices(ReleaseIO, link->handle, &link->io); CardServices(ReleaseIRQ, 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((u_long)link); /* Break the link with Card Services */ if (link->handle) CardServices(DeregisterClient, link->handle); hw = vxp->hw_entry; if (hw) hw->card_list[vxp->index] = NULL; chip->card = NULL; snd_magic_kfree(chip); return 0; } static int snd_vxpocket_dev_free(snd_device_t *device) { vx_core_t *chip = snd_magic_cast(vx_core_t, device->device_data, return -ENXIO); 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; if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops) < 0) { snd_magic_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_INFO2_VALID | IRQ_LEVEL_ID; if (hw->irq_list[0] == -1) link->irq.IRQInfo2 = *hw->irq_mask_p; else for (i = 0; i < 4; i++) link->irq.IRQInfo2 |= 1 << hw->irq_list[i]; link->irq.Handler = &snd_vx_irq_handler; link->irq.Instance = chip; link->release.function = &vxpocket_release; link->release.data = (u_long)link; 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; /* Chain drivers */ link->next = hw->dev_list; hw->dev_list = link; /* Register with Card Services */ client_reg.dev_info = hw->dev_info; client_reg.Attributes = INFO_IO_CLIENT | INFO_CARD_SHARE; 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 = CardServices(RegisterClient, &link->handle, &client_reg); if (ret != CS_SUCCESS) { cs_error(link->handle, RegisterClient, ret); snd_vxpocket_detach(hw, link); return NULL; } 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); if ((err = snd_vx_hwdep_new(chip)) < 0) return err; chip->irq = irq; if ((err = snd_card_register(chip->card)) < 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 = snd_magic_cast(vx_core_t, link->priv, return); del_timer(&link->release); 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) break; if (*linkp) *linkp = link->next; } chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */ snd_card_disconnect(chip->card); snd_card_free_in_thread(chip->card); } /* * snd_vxpocket_detach_all - detach all instances linked to the hw */ void snd_vxpocket_detach_all(struct snd_vxp_entry *hw) { while (hw->dev_list != NULL) snd_vxpocket_detach(hw, hw->dev_list); } /* * configuration callback */ #define CS_CHECK(fn, args...) \ while ((last_ret=CardServices(last_fn=(fn), args))!=0) goto cs_failed static void vxpocket_config(dev_link_t *link) { client_handle_t handle = link->handle; vx_core_t *chip = snd_magic_cast(vx_core_t, link->priv, return); struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; tuple_t tuple; cisparse_t parse; config_info_t conf; u_short buf[32]; int last_fn, last_ret; snd_printdd(KERN_DEBUG "vxpocket_config called\n"); 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, handle, &tuple); CS_CHECK(GetTupleData, handle, &tuple); CS_CHECK(ParseTuple, handle, &tuple, &parse); link->conf.ConfigBase = parse.config.base; link->conf.ConfigIndex = 1; CS_CHECK(GetConfigurationInfo, handle, &conf); link->conf.Vcc = conf.Vcc; /* Configure card */ link->state |= DEV_CONFIG; CS_CHECK(RequestIO, handle, &link->io); CS_CHECK(RequestIRQ, link->handle, &link->irq); CS_CHECK(RequestConfiguration, 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; return; cs_failed: cs_error(link->handle, last_fn, last_ret); failed: CardServices(ReleaseConfiguration, link->handle); CardServices(ReleaseIO, link->handle, &link->io); CardServices(ReleaseIRQ, link->handle, &link->irq); } /* * 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) { mod_timer(&link->release, jiffies + HZ/20); chip->chip_status |= VX_STAT_IS_STALE; } break; case CS_EVENT_CARD_INSERTION: snd_printdd(KERN_DEBUG "CARD_INSERTION..\n"); link->state |= DEV_PRESENT; 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); } /* Fall through... */ case CS_EVENT_RESET_PHYSICAL: snd_printdd(KERN_DEBUG "RESET_PHYSICAL\n"); if (link->state & DEV_CONFIG) CardServices(ReleaseConfiguration, 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"); CardServices(RequestConfiguration, 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; } /* we link this module statically with the card modules * due to the pcmcia symbol problems... */ #if 0 /* * exported stuffs */ EXPORT_SYMBOL(snd_vxpocket_ops); EXPORT_SYMBOL(snd_vxpocket_attach); EXPORT_SYMBOL(snd_vxpocket_detach); EXPORT_SYMBOL(snd_vxpocket_detach_all); #endif