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/* to be in alsa-driver-specific code */ |
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#define __NO_VERSION__ |
#define __NO_VERSION__ |
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#include <linux/config.h> |
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#include <linux/version.h> |
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0) |
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#include <pcmcia/cs_types.h> |
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#include <pcmcia/cs.h> |
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static void cs_error(client_handle_t handle, int func, int ret); |
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#endif |
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/* |
#include "../../alsa-kernel/pcmcia/vx/vx_entry.c" |
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* Driver for Digigram VXpocket soundcards |
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* |
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* PCMCIA entry part |
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* |
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* Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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#include <sound/driver.h> |
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#include <sound/core.h> |
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#include "vxpocket.h" |
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#include <pcmcia/ciscode.h> |
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#include <pcmcia/cisreg.h> |
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/* |
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* prototypes |
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*/ |
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static void vxpocket_config(dev_link_t *link); |
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static int vxpocket_event(event_t event, int priority, event_callback_args_t *args); |
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/* |
/* |
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* print the error message related with cs |
* print the error message related with cs |
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error_info_t err = { func, ret }; |
error_info_t err = { func, ret }; |
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CardServices(ReportError, handle, &err); |
CardServices(ReportError, handle, &err); |
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} |
} |
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static void vxpocket_release(u_long arg) |
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{ |
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dev_link_t *link = (dev_link_t *)arg; |
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if (link->state & DEV_CONFIG) { |
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/* release cs resources */ |
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CardServices(ReleaseConfiguration, link->handle); |
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CardServices(ReleaseIO, link->handle, &link->io); |
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CardServices(ReleaseIRQ, link->handle, &link->irq); |
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link->state &= ~DEV_CONFIG; |
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} |
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} |
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/* |
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* destructor |
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*/ |
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static int snd_vxpocket_free(vx_core_t *chip) |
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{ |
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struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; |
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struct snd_vxp_entry *hw; |
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dev_link_t *link = &vxp->link; |
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vxpocket_release((u_long)link); |
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/* Break the link with Card Services */ |
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if (link->handle) |
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CardServices(DeregisterClient, link->handle); |
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hw = vxp->hw_entry; |
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if (hw) |
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hw->card_list[vxp->index] = NULL; |
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chip->card = NULL; |
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snd_magic_kfree(chip); |
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return 0; |
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} |
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static int snd_vxpocket_dev_free(snd_device_t *device) |
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{ |
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vx_core_t *chip = snd_magic_cast(vx_core_t, device->device_data, return -ENXIO); |
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return snd_vxpocket_free(chip); |
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} |
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/* |
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* snd_vxpocket_attach - attach callback for cs |
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* @hw: the hardware information |
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*/ |
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dev_link_t *snd_vxpocket_attach(struct snd_vxp_entry *hw) |
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{ |
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client_reg_t client_reg; /* Register with cardmgr */ |
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dev_link_t *link; /* Info for cardmgr */ |
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int i, ret; |
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vx_core_t *chip; |
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struct snd_vxpocket *vxp; |
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snd_card_t *card; |
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static snd_device_ops_t ops = { |
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.dev_free = snd_vxpocket_dev_free, |
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}; |
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snd_printdd(KERN_DEBUG "vxpocket_attach called\n"); |
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/* find an empty slot from the card list */ |
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for (i = 0; i < SNDRV_CARDS; i++) { |
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if (! hw->card_list[i]) |
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break; |
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} |
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if (i >= SNDRV_CARDS) { |
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snd_printk(KERN_ERR "vxpocket: too many cards found\n"); |
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return NULL; |
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} |
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if (! hw->enable_table[i]) |
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return NULL; /* disabled explicitly */ |
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/* ok, create a card instance */ |
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card = snd_card_new(hw->index_table[i], hw->id_table[i], THIS_MODULE, 0); |
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if (card == NULL) { |
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snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n"); |
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return NULL; |
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} |
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chip = snd_vx_create(card, hw->hardware, hw->ops, |
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sizeof(struct snd_vxpocket) - sizeof(vx_core_t)); |
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if (! chip) |
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return NULL; |
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if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops) < 0) { |
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snd_magic_kfree(chip); |
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snd_card_free(card); |
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return NULL; |
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} |
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vxp = (struct snd_vxpocket *)chip; |
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vxp->index = i; |
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vxp->hw_entry = hw; |
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chip->ibl.size = hw->ibl[i]; |
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hw->card_list[i] = chip; |
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link = &vxp->link; |
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link->priv = chip; |
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link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; |
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link->io.NumPorts1 = 16; |
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link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; |
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// link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED; |
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link->irq.IRQInfo1 = IRQ_INFO2_VALID | IRQ_LEVEL_ID; |
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if (hw->irq_list[0] == -1) |
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link->irq.IRQInfo2 = *hw->irq_mask_p; |
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else |
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for (i = 0; i < 4; i++) |
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link->irq.IRQInfo2 |= 1 << hw->irq_list[i]; |
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link->irq.Handler = &snd_vx_irq_handler; |
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link->irq.Instance = chip; |
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link->release.function = &vxpocket_release; |
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link->release.data = (u_long)link; |
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link->conf.Attributes = CONF_ENABLE_IRQ; |
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link->conf.Vcc = 50; |
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link->conf.IntType = INT_MEMORY_AND_IO; |
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link->conf.ConfigIndex = 1; |
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link->conf.Present = PRESENT_OPTION; |
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/* Chain drivers */ |
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link->next = hw->dev_list; |
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hw->dev_list = link; |
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/* Register with Card Services */ |
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client_reg.dev_info = hw->dev_info; |
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client_reg.Attributes = INFO_IO_CLIENT | INFO_CARD_SHARE; |
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client_reg.EventMask = |
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CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL |
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#ifdef CONFIG_PM |
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| CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET |
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| CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME |
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#endif |
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; |
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client_reg.event_handler = &vxpocket_event; |
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client_reg.Version = 0x0210; |
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client_reg.event_callback_args.client_data = link; |
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ret = CardServices(RegisterClient, &link->handle, &client_reg); |
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if (ret != CS_SUCCESS) { |
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cs_error(link->handle, RegisterClient, ret); |
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snd_vxpocket_detach(hw, link); |
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return NULL; |
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} |
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return link; |
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} |
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/** |
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* snd_vxpocket_assign_resources - initialize the hardware and card instance. |
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* @port: i/o port for the card |
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* @irq: irq number for the card |
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* |
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* this function assigns the specified port and irq, boot the card, |
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* create pcm and control instances, and initialize the rest hardware. |
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* |
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* returns 0 if successful, or a negative error code. |
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*/ |
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static int snd_vxpocket_assign_resources(vx_core_t *chip, int port, int irq) |
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{ |
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int err; |
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snd_card_t *card = chip->card; |
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struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; |
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snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq); |
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vxp->port = port; |
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sprintf(card->shortname, "Digigram %s", card->driver); |
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sprintf(card->longname, "%s at 0x%x, irq %i", |
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card->shortname, port, irq); |
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if ((err = snd_vx_hwdep_new(chip)) < 0) |
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return err; |
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chip->irq = irq; |
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if ((err = snd_card_register(chip->card)) < 0) |
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return err; |
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return 0; |
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} |
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/* |
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* snd_vxpocket_detach - detach callback for cs |
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* @hw: the hardware information |
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*/ |
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void snd_vxpocket_detach(struct snd_vxp_entry *hw, dev_link_t *link) |
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{ |
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vx_core_t *chip = snd_magic_cast(vx_core_t, link->priv, return); |
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del_timer(&link->release); |
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snd_printdd(KERN_DEBUG "vxpocket_detach called\n"); |
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/* Remove the interface data from the linked list */ |
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if (hw) { |
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dev_link_t **linkp; |
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/* Locate device structure */ |
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for (linkp = &hw->dev_list; *linkp; linkp = &(*linkp)->next) |
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if (*linkp == link) |
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break; |
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if (*linkp) |
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*linkp = link->next; |
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} |
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chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */ |
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snd_card_disconnect(chip->card); |
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snd_card_free_in_thread(chip->card); |
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} |
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/* |
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* snd_vxpocket_detach_all - detach all instances linked to the hw |
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*/ |
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void snd_vxpocket_detach_all(struct snd_vxp_entry *hw) |
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{ |
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while (hw->dev_list != NULL) |
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snd_vxpocket_detach(hw, hw->dev_list); |
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} |
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/* |
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* configuration callback |
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*/ |
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#define CS_CHECK(fn, args...) \ |
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while ((last_ret=CardServices(last_fn=(fn), args))!=0) goto cs_failed |
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static void vxpocket_config(dev_link_t *link) |
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{ |
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client_handle_t handle = link->handle; |
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vx_core_t *chip = snd_magic_cast(vx_core_t, link->priv, return); |
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struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; |
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tuple_t tuple; |
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cisparse_t parse; |
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config_info_t conf; |
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u_short buf[32]; |
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int last_fn, last_ret; |
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snd_printdd(KERN_DEBUG "vxpocket_config called\n"); |
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tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; |
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tuple.Attributes = 0; |
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tuple.TupleData = (cisdata_t *)buf; |
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tuple.TupleDataMax = sizeof(buf); |
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tuple.TupleOffset = 0; |
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tuple.DesiredTuple = CISTPL_CONFIG; |
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CS_CHECK(GetFirstTuple, handle, &tuple); |
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CS_CHECK(GetTupleData, handle, &tuple); |
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CS_CHECK(ParseTuple, handle, &tuple, &parse); |
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link->conf.ConfigBase = parse.config.base; |
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link->conf.ConfigIndex = 1; |
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CS_CHECK(GetConfigurationInfo, handle, &conf); |
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link->conf.Vcc = conf.Vcc; |
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/* Configure card */ |
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link->state |= DEV_CONFIG; |
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CS_CHECK(RequestIO, handle, &link->io); |
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CS_CHECK(RequestIRQ, link->handle, &link->irq); |
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CS_CHECK(RequestConfiguration, link->handle, &link->conf); |
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if (snd_vxpocket_assign_resources(chip, link->io.BasePort1, link->irq.AssignedIRQ) < 0) |
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goto failed; |
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link->dev = &vxp->node; |
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link->state &= ~DEV_CONFIG_PENDING; |
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return; |
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cs_failed: |
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cs_error(link->handle, last_fn, last_ret); |
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failed: |
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CardServices(ReleaseConfiguration, link->handle); |
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CardServices(ReleaseIO, link->handle, &link->io); |
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CardServices(ReleaseIRQ, link->handle, &link->irq); |
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} |
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/* |
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* event callback |
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*/ |
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static int vxpocket_event(event_t event, int priority, event_callback_args_t *args) |
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{ |
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dev_link_t *link = args->client_data; |
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vx_core_t *chip = link->priv; |
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switch (event) { |
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case CS_EVENT_CARD_REMOVAL: |
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snd_printdd(KERN_DEBUG "CARD_REMOVAL..\n"); |
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link->state &= ~DEV_PRESENT; |
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if (link->state & DEV_CONFIG) { |
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mod_timer(&link->release, jiffies + HZ/20); |
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chip->chip_status |= VX_STAT_IS_STALE; |
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} |
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break; |
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case CS_EVENT_CARD_INSERTION: |
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snd_printdd(KERN_DEBUG "CARD_INSERTION..\n"); |
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link->state |= DEV_PRESENT; |
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vxpocket_config(link); |
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break; |
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#ifdef CONFIG_PM |
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case CS_EVENT_PM_SUSPEND: |
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snd_printdd(KERN_DEBUG "SUSPEND\n"); |
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link->state |= DEV_SUSPEND; |
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if (chip) { |
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snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n"); |
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snd_vx_suspend(chip); |
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} |
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/* Fall through... */ |
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case CS_EVENT_RESET_PHYSICAL: |
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snd_printdd(KERN_DEBUG "RESET_PHYSICAL\n"); |
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if (link->state & DEV_CONFIG) |
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CardServices(ReleaseConfiguration, link->handle); |
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break; |
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case CS_EVENT_PM_RESUME: |
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snd_printdd(KERN_DEBUG "RESUME\n"); |
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link->state &= ~DEV_SUSPEND; |
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/* Fall through... */ |
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case CS_EVENT_CARD_RESET: |
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snd_printdd(KERN_DEBUG "CARD_RESET\n"); |
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if (DEV_OK(link)) { |
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//struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; |
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snd_printdd(KERN_DEBUG "requestconfig...\n"); |
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CardServices(RequestConfiguration, link->handle, &link->conf); |
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if (chip) { |
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snd_printdd(KERN_DEBUG "calling snd_vx_resume\n"); |
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snd_vx_resume(chip); |
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} |
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} |
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snd_printdd(KERN_DEBUG "resume done!\n"); |
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break; |
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#endif |
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} |
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return 0; |
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} |
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/* we link this module statically with the card modules |
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* due to the pcmcia symbol problems... |
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*/ |
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#if 0 |
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/* |
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* exported stuffs |
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*/ |
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EXPORT_SYMBOL(snd_vxpocket_ops); |
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EXPORT_SYMBOL(snd_vxpocket_attach); |
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EXPORT_SYMBOL(snd_vxpocket_detach); |
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EXPORT_SYMBOL(snd_vxpocket_detach_all); |
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#endif |
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