--- /dev/null
+/*
+ * Driver for Digigram VXpocket V2/440 soundcards
+ *
+ * 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 <linux/init.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include "vxpocket.h"
+#include <pcmcia/ciscode.h>
+#include <pcmcia/cisreg.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+
+/*
+ */
+
+MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
+MODULE_DESCRIPTION("Digigram VXPocket");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */
+static int ibl[SNDRV_CARDS];
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for VXPocket soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for VXPocket soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable VXPocket soundcard.");
+module_param_array(ibl, int, NULL, 0444);
+MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard.");
+
+
+/*
+ */
+
+static unsigned int card_alloc;
+
+
+/*
+ */
+static void vxpocket_release(struct pcmcia_device *link)
+{
+ free_irq(link->irq, link->priv);
+ pcmcia_disable_device(link);
+}
+
+/*
+ * destructor, called from snd_card_free_when_closed()
+ */
+static int snd_vxpocket_dev_free(struct snd_device *device)
+{
+ struct vx_core *chip = device->device_data;
+
+ snd_vx_free_firmware(chip);
+ kfree(chip);
+ return 0;
+}
+
+
+/*
+ * Hardware information
+ */
+
+/* VX-pocket V2
+ *
+ * 1 DSP, 1 sync UER
+ * 1 programmable clock (NIY)
+ * 1 stereo analog input (line/micro)
+ * 1 stereo analog output
+ * Only output levels can be modified
+ */
+
+static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
+
+static struct snd_vx_hardware vxpocket_hw = {
+ .name = "VXPocket",
+ .type = VX_TYPE_VXPOCKET,
+
+ /* hardware specs */
+ .num_codecs = 1,
+ .num_ins = 1,
+ .num_outs = 1,
+ .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
+ .output_level_db_scale = db_scale_old_vol,
+};
+
+/* VX-pocket 440
+ *
+ * 1 DSP, 1 sync UER, 1 sync World Clock (NIY)
+ * SMPTE (NIY)
+ * 2 stereo analog input (line/micro)
+ * 2 stereo analog output
+ * Only output levels can be modified
+ * UER, but only for the first two inputs and outputs.
+ */
+
+static struct snd_vx_hardware vxp440_hw = {
+ .name = "VXPocket440",
+ .type = VX_TYPE_VXP440,
+
+ /* hardware specs */
+ .num_codecs = 2,
+ .num_ins = 2,
+ .num_outs = 2,
+ .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
+ .output_level_db_scale = db_scale_old_vol,
+};
+
+
+/*
+ * create vxpocket instance
+ */
+static int snd_vxpocket_new(struct snd_card *card, int ibl,
+ struct pcmcia_device *link,
+ struct snd_vxpocket **chip_ret)
+{
+ struct vx_core *chip;
+ struct snd_vxpocket *vxp;
+ static struct snd_device_ops ops = {
+ .dev_free = snd_vxpocket_dev_free,
+ };
+ int err;
+
+ chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
+ sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
+ if (!chip)
+ return -ENOMEM;
+
+ err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
+ if (err < 0) {
+ kfree(chip);
+ return err;
+ }
+ chip->ibl.size = ibl;
+
+ vxp = (struct snd_vxpocket *)chip;
+
+ vxp->p_dev = link;
+ link->priv = chip;
+
+ link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
+ link->resource[0]->end = 16;
+
+ link->config_flags |= CONF_ENABLE_IRQ;
+ link->config_index = 1;
+ link->config_regs = PRESENT_OPTION;
+
+ *chip_ret = vxp;
+ return 0;
+}
+
+
+/**
+ * snd_vxpocket_assign_resources - initialize the hardware and card instance.
+ * @chip: VX core 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(struct vx_core *chip, int port, int irq)
+{
+ int err;
+ struct snd_card *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;
+}
+
+
+/*
+ * configuration callback
+ */
+
+static int vxpocket_config(struct pcmcia_device *link)
+{
+ struct vx_core *chip = link->priv;
+ int ret;
+
+ snd_printdd(KERN_DEBUG "vxpocket_config called\n");
+
+ /* redefine hardware record according to the VERSION1 string */
+ if (!strcmp(link->prod_id[1], "VX-POCKET")) {
+ snd_printdd("VX-pocket is detected\n");
+ } else {
+ snd_printdd("VX-pocket 440 is detected\n");
+ /* overwrite the hardware information */
+ chip->hw = &vxp440_hw;
+ chip->type = vxp440_hw.type;
+ strcpy(chip->card->driver, vxp440_hw.name);
+ }
+
+ ret = pcmcia_request_io(link);
+ if (ret)
+ goto failed_preirq;
+
+ ret = request_threaded_irq(link->irq, snd_vx_irq_handler,
+ snd_vx_threaded_irq_handler,
+ IRQF_SHARED, link->devname, link->priv);
+ if (ret)
+ goto failed_preirq;
+
+ ret = pcmcia_enable_device(link);
+ if (ret)
+ goto failed;
+
+ chip->dev = &link->dev;
+
+ if (snd_vxpocket_assign_resources(chip, link->resource[0]->start,
+ link->irq) < 0)
+ goto failed;
+
+ return 0;
+
+ failed:
+ free_irq(link->irq, link->priv);
+failed_preirq:
+ pcmcia_disable_device(link);
+ return -ENODEV;
+}
+
+#ifdef CONFIG_PM
+
+static int vxp_suspend(struct pcmcia_device *link)
+{
+ struct vx_core *chip = link->priv;
+
+ snd_printdd(KERN_DEBUG "SUSPEND\n");
+ if (chip) {
+ snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
+ snd_vx_suspend(chip);
+ }
+
+ return 0;
+}
+
+static int vxp_resume(struct pcmcia_device *link)
+{
+ struct vx_core *chip = link->priv;
+
+ snd_printdd(KERN_DEBUG "RESUME\n");
+ if (pcmcia_dev_present(link)) {
+ //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
+ if (chip) {
+ snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
+ snd_vx_resume(chip);
+ }
+ }
+ snd_printdd(KERN_DEBUG "resume done!\n");
+
+ return 0;
+}
+
+#endif
+
+
+/*
+ */
+static int vxpocket_probe(struct pcmcia_device *p_dev)
+{
+ struct snd_card *card;
+ struct snd_vxpocket *vxp;
+ int i, err;
+
+ /* find an empty slot from the card list */
+ for (i = 0; i < SNDRV_CARDS; i++) {
+ if (!(card_alloc & (1 << i)))
+ break;
+ }
+ if (i >= SNDRV_CARDS) {
+ snd_printk(KERN_ERR "vxpocket: too many cards found\n");
+ return -EINVAL;
+ }
+ if (! enable[i])
+ return -ENODEV; /* disabled explicitly */
+
+ /* ok, create a card instance */
+ err = snd_card_new(&p_dev->dev, index[i], id[i], THIS_MODULE,
+ 0, &card);
+ if (err < 0) {
+ snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
+ return err;
+ }
+
+ err = snd_vxpocket_new(card, ibl[i], p_dev, &vxp);
+ if (err < 0) {
+ snd_card_free(card);
+ return err;
+ }
+ card->private_data = vxp;
+
+ vxp->index = i;
+ card_alloc |= 1 << i;
+
+ vxp->p_dev = p_dev;
+
+ return vxpocket_config(p_dev);
+}
+
+static void vxpocket_detach(struct pcmcia_device *link)
+{
+ struct snd_vxpocket *vxp;
+ struct vx_core *chip;
+
+ if (! link)
+ return;
+
+ vxp = link->priv;
+ chip = (struct vx_core *)vxp;
+ card_alloc &= ~(1 << vxp->index);
+
+ chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */
+ snd_card_disconnect(chip->card);
+ vxpocket_release(link);
+ snd_card_free_when_closed(chip->card);
+}
+
+/*
+ * Module entry points
+ */
+
+static const struct pcmcia_device_id vxp_ids[] = {
+ PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
+ PCMCIA_DEVICE_NULL
+};
+MODULE_DEVICE_TABLE(pcmcia, vxp_ids);
+
+static struct pcmcia_driver vxp_cs_driver = {
+ .owner = THIS_MODULE,
+ .name = "snd-vxpocket",
+ .probe = vxpocket_probe,
+ .remove = vxpocket_detach,
+ .id_table = vxp_ids,
+#ifdef CONFIG_PM
+ .suspend = vxp_suspend,
+ .resume = vxp_resume,
+#endif
+};
+module_pcmcia_driver(vxp_cs_driver);
Code Review / kvmfornfv.git / blobdiff