341 lines
7.3 KiB
C
341 lines
7.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Driver for Digigram VXpocket V2/440 soundcards
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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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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/slab.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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#include <sound/initval.h>
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#include <sound/tlv.h>
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MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
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MODULE_DESCRIPTION("Digigram VXPocket");
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MODULE_LICENSE("GPL");
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
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static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */
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static int ibl[SNDRV_CARDS];
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module_param_array(index, int, NULL, 0444);
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MODULE_PARM_DESC(index, "Index value for VXPocket soundcard.");
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module_param_array(id, charp, NULL, 0444);
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MODULE_PARM_DESC(id, "ID string for VXPocket soundcard.");
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module_param_array(enable, bool, NULL, 0444);
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MODULE_PARM_DESC(enable, "Enable VXPocket soundcard.");
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module_param_array(ibl, int, NULL, 0444);
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MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard.");
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/*
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*/
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static unsigned int card_alloc;
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/*
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*/
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static void vxpocket_release(struct pcmcia_device *link)
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{
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free_irq(link->irq, link->priv);
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pcmcia_disable_device(link);
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}
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/*
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* Hardware information
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*/
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/* VX-pocket V2
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*
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* 1 DSP, 1 sync UER
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* 1 programmable clock (NIY)
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* 1 stereo analog input (line/micro)
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* 1 stereo analog output
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* Only output levels can be modified
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*/
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static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
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static const struct snd_vx_hardware vxpocket_hw = {
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.name = "VXPocket",
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.type = VX_TYPE_VXPOCKET,
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/* hardware specs */
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.num_codecs = 1,
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.num_ins = 1,
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.num_outs = 1,
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.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
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.output_level_db_scale = db_scale_old_vol,
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};
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/* VX-pocket 440
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*
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* 1 DSP, 1 sync UER, 1 sync World Clock (NIY)
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* SMPTE (NIY)
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* 2 stereo analog input (line/micro)
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* 2 stereo analog output
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* Only output levels can be modified
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* UER, but only for the first two inputs and outputs.
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*/
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static const struct snd_vx_hardware vxp440_hw = {
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.name = "VXPocket440",
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.type = VX_TYPE_VXP440,
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/* hardware specs */
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.num_codecs = 2,
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.num_ins = 2,
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.num_outs = 2,
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.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
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.output_level_db_scale = db_scale_old_vol,
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};
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/*
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* create vxpocket instance
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*/
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static int snd_vxpocket_new(struct snd_card *card, int ibl,
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struct pcmcia_device *link,
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struct snd_vxpocket **chip_ret)
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{
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struct vx_core *chip;
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struct snd_vxpocket *vxp;
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chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
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sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
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if (!chip)
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return -ENOMEM;
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chip->ibl.size = ibl;
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vxp = to_vxpocket(chip);
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vxp->p_dev = link;
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link->priv = chip;
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link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
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link->resource[0]->end = 16;
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link->config_flags |= CONF_ENABLE_IRQ;
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link->config_index = 1;
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link->config_regs = PRESENT_OPTION;
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*chip_ret = vxp;
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return 0;
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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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* @chip: VX core 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(struct vx_core *chip, int port, int irq)
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{
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int err;
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struct snd_card *card = chip->card;
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struct snd_vxpocket *vxp = to_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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chip->irq = irq;
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card->sync_irq = chip->irq;
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err = snd_vx_setup_firmware(chip);
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if (err < 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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* configuration callback
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*/
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static int vxpocket_config(struct pcmcia_device *link)
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{
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struct vx_core *chip = link->priv;
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int ret;
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snd_printdd(KERN_DEBUG "vxpocket_config called\n");
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/* redefine hardware record according to the VERSION1 string */
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if (!strcmp(link->prod_id[1], "VX-POCKET")) {
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snd_printdd("VX-pocket is detected\n");
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} else {
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snd_printdd("VX-pocket 440 is detected\n");
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/* overwrite the hardware information */
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chip->hw = &vxp440_hw;
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chip->type = vxp440_hw.type;
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strcpy(chip->card->driver, vxp440_hw.name);
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}
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ret = pcmcia_request_io(link);
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if (ret)
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goto failed_preirq;
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ret = request_threaded_irq(link->irq, snd_vx_irq_handler,
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snd_vx_threaded_irq_handler,
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IRQF_SHARED, link->devname, link->priv);
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if (ret)
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goto failed_preirq;
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ret = pcmcia_enable_device(link);
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if (ret)
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goto failed;
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chip->dev = &link->dev;
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if (snd_vxpocket_assign_resources(chip, link->resource[0]->start,
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link->irq) < 0)
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goto failed;
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return 0;
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failed:
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free_irq(link->irq, link->priv);
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failed_preirq:
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pcmcia_disable_device(link);
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return -ENODEV;
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}
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#ifdef CONFIG_PM
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static int vxp_suspend(struct pcmcia_device *link)
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{
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struct vx_core *chip = link->priv;
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snd_printdd(KERN_DEBUG "SUSPEND\n");
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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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return 0;
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}
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static int vxp_resume(struct pcmcia_device *link)
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{
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struct vx_core *chip = link->priv;
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snd_printdd(KERN_DEBUG "RESUME\n");
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if (pcmcia_dev_present(link)) {
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//struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
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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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return 0;
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}
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#endif
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/*
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*/
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static int vxpocket_probe(struct pcmcia_device *p_dev)
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{
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struct snd_card *card;
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struct snd_vxpocket *vxp;
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int i, err;
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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 (!(card_alloc & (1 << 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 -EINVAL;
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}
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if (! enable[i])
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return -ENODEV; /* disabled explicitly */
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/* ok, create a card instance */
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err = snd_card_new(&p_dev->dev, index[i], id[i], THIS_MODULE,
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0, &card);
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if (err < 0) {
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snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
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return err;
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}
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err = snd_vxpocket_new(card, ibl[i], p_dev, &vxp);
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if (err < 0) {
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snd_card_free(card);
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return err;
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}
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card->private_data = vxp;
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vxp->index = i;
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card_alloc |= 1 << i;
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vxp->p_dev = p_dev;
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return vxpocket_config(p_dev);
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}
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static void vxpocket_detach(struct pcmcia_device *link)
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{
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struct snd_vxpocket *vxp;
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struct vx_core *chip;
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if (! link)
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return;
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vxp = link->priv;
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chip = (struct vx_core *)vxp;
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card_alloc &= ~(1 << vxp->index);
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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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vxpocket_release(link);
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snd_card_free_when_closed(chip->card);
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}
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/*
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* Module entry points
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*/
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static const struct pcmcia_device_id vxp_ids[] = {
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PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
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PCMCIA_DEVICE_NULL
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};
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MODULE_DEVICE_TABLE(pcmcia, vxp_ids);
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static struct pcmcia_driver vxp_cs_driver = {
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.owner = THIS_MODULE,
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.name = "snd-vxpocket",
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.probe = vxpocket_probe,
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.remove = vxpocket_detach,
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.id_table = vxp_ids,
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#ifdef CONFIG_PM
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.suspend = vxp_suspend,
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.resume = vxp_resume,
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#endif
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};
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module_pcmcia_driver(vxp_cs_driver);
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