1 files changed, 384 insertions, 0 deletions
diff --git a/sound/pcmcia/vx/vx_entry.c b/sound/pcmcia/vx/vx_entry.c
new file mode 100644
index 0000000..53d8172
--- /dev/null
+++ b/sound/pcmcia/vx/vx_entry.c
@@ -0,0 +1,384 @@
+/*
+ * 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);