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340 lines
7.3 KiB
340 lines
7.3 KiB
// 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 <[email protected]> |
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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 <[email protected]>"); |
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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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