cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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vx222.c (5611B)


      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * Driver for Digigram VX222 V2/Mic PCI soundcards
      4 *
      5 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
      6 */
      7
      8#include <linux/init.h>
      9#include <linux/interrupt.h>
     10#include <linux/pci.h>
     11#include <linux/slab.h>
     12#include <linux/module.h>
     13#include <sound/core.h>
     14#include <sound/initval.h>
     15#include <sound/tlv.h>
     16#include "vx222.h"
     17
     18#define CARD_NAME "VX222"
     19
     20MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
     21MODULE_DESCRIPTION("Digigram VX222 V2/Mic");
     22MODULE_LICENSE("GPL");
     23
     24static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
     25static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
     26static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
     27static bool mic[SNDRV_CARDS]; /* microphone */
     28static int ibl[SNDRV_CARDS]; /* microphone */
     29
     30module_param_array(index, int, NULL, 0444);
     31MODULE_PARM_DESC(index, "Index value for Digigram " CARD_NAME " soundcard.");
     32module_param_array(id, charp, NULL, 0444);
     33MODULE_PARM_DESC(id, "ID string for Digigram " CARD_NAME " soundcard.");
     34module_param_array(enable, bool, NULL, 0444);
     35MODULE_PARM_DESC(enable, "Enable Digigram " CARD_NAME " soundcard.");
     36module_param_array(mic, bool, NULL, 0444);
     37MODULE_PARM_DESC(mic, "Enable Microphone.");
     38module_param_array(ibl, int, NULL, 0444);
     39MODULE_PARM_DESC(ibl, "Capture IBL size.");
     40
     41/*
     42 */
     43
     44enum {
     45	VX_PCI_VX222_OLD,
     46	VX_PCI_VX222_NEW
     47};
     48
     49static const struct pci_device_id snd_vx222_ids[] = {
     50	{ 0x10b5, 0x9050, 0x1369, PCI_ANY_ID, 0, 0, VX_PCI_VX222_OLD, },   /* PLX */
     51	{ 0x10b5, 0x9030, 0x1369, PCI_ANY_ID, 0, 0, VX_PCI_VX222_NEW, },   /* PLX */
     52	{ 0, }
     53};
     54
     55MODULE_DEVICE_TABLE(pci, snd_vx222_ids);
     56
     57
     58/*
     59 */
     60
     61static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
     62static const DECLARE_TLV_DB_SCALE(db_scale_akm, -7350, 50, 0);
     63
     64static const struct snd_vx_hardware vx222_old_hw = {
     65
     66	.name = "VX222/Old",
     67	.type = VX_TYPE_BOARD,
     68	/* hw specs */
     69	.num_codecs = 1,
     70	.num_ins = 1,
     71	.num_outs = 1,
     72	.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
     73	.output_level_db_scale = db_scale_old_vol,
     74};
     75
     76static const struct snd_vx_hardware vx222_v2_hw = {
     77
     78	.name = "VX222/v2",
     79	.type = VX_TYPE_V2,
     80	/* hw specs */
     81	.num_codecs = 1,
     82	.num_ins = 1,
     83	.num_outs = 1,
     84	.output_level_max = VX2_AKM_LEVEL_MAX,
     85	.output_level_db_scale = db_scale_akm,
     86};
     87
     88static const struct snd_vx_hardware vx222_mic_hw = {
     89
     90	.name = "VX222/Mic",
     91	.type = VX_TYPE_MIC,
     92	/* hw specs */
     93	.num_codecs = 1,
     94	.num_ins = 1,
     95	.num_outs = 1,
     96	.output_level_max = VX2_AKM_LEVEL_MAX,
     97	.output_level_db_scale = db_scale_akm,
     98};
     99
    100
    101/*
    102 */
    103static int snd_vx222_create(struct snd_card *card, struct pci_dev *pci,
    104			    const struct snd_vx_hardware *hw,
    105			    struct snd_vx222 **rchip)
    106{
    107	struct vx_core *chip;
    108	struct snd_vx222 *vx;
    109	int i, err;
    110	const struct snd_vx_ops *vx_ops;
    111
    112	/* enable PCI device */
    113	err = pcim_enable_device(pci);
    114	if (err < 0)
    115		return err;
    116	pci_set_master(pci);
    117
    118	vx_ops = hw->type == VX_TYPE_BOARD ? &vx222_old_ops : &vx222_ops;
    119	chip = snd_vx_create(card, hw, vx_ops,
    120			     sizeof(struct snd_vx222) - sizeof(struct vx_core));
    121	if (!chip)
    122		return -ENOMEM;
    123	vx = to_vx222(chip);
    124	vx->pci = pci;
    125
    126	err = pci_request_regions(pci, CARD_NAME);
    127	if (err < 0)
    128		return err;
    129	for (i = 0; i < 2; i++)
    130		vx->port[i] = pci_resource_start(pci, i + 1);
    131
    132	if (devm_request_threaded_irq(&pci->dev, pci->irq, snd_vx_irq_handler,
    133				      snd_vx_threaded_irq_handler, IRQF_SHARED,
    134				      KBUILD_MODNAME, chip)) {
    135		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
    136		return -EBUSY;
    137	}
    138	chip->irq = pci->irq;
    139	card->sync_irq = chip->irq;
    140	*rchip = vx;
    141
    142	return 0;
    143}
    144
    145
    146static int snd_vx222_probe(struct pci_dev *pci,
    147			   const struct pci_device_id *pci_id)
    148{
    149	static int dev;
    150	struct snd_card *card;
    151	const struct snd_vx_hardware *hw;
    152	struct snd_vx222 *vx;
    153	int err;
    154
    155	if (dev >= SNDRV_CARDS)
    156		return -ENODEV;
    157	if (!enable[dev]) {
    158		dev++;
    159		return -ENOENT;
    160	}
    161
    162	err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
    163				0, &card);
    164	if (err < 0)
    165		return err;
    166
    167	switch ((int)pci_id->driver_data) {
    168	case VX_PCI_VX222_OLD:
    169		hw = &vx222_old_hw;
    170		break;
    171	case VX_PCI_VX222_NEW:
    172	default:
    173		if (mic[dev])
    174			hw = &vx222_mic_hw;
    175		else
    176			hw = &vx222_v2_hw;
    177		break;
    178	}
    179	err = snd_vx222_create(card, pci, hw, &vx);
    180	if (err < 0)
    181		return err;
    182	card->private_data = vx;
    183	vx->core.ibl.size = ibl[dev];
    184
    185	sprintf(card->longname, "%s at 0x%lx & 0x%lx, irq %i",
    186		card->shortname, vx->port[0], vx->port[1], vx->core.irq);
    187	dev_dbg(card->dev, "%s at 0x%lx & 0x%lx, irq %i\n",
    188		    card->shortname, vx->port[0], vx->port[1], vx->core.irq);
    189
    190#ifdef SND_VX_FW_LOADER
    191	vx->core.dev = &pci->dev;
    192#endif
    193
    194	err = snd_vx_setup_firmware(&vx->core);
    195	if (err < 0)
    196		return err;
    197
    198	err = snd_card_register(card);
    199	if (err < 0)
    200		return err;
    201
    202	pci_set_drvdata(pci, card);
    203	dev++;
    204	return 0;
    205}
    206
    207#ifdef CONFIG_PM_SLEEP
    208static int snd_vx222_suspend(struct device *dev)
    209{
    210	struct snd_card *card = dev_get_drvdata(dev);
    211	struct snd_vx222 *vx = card->private_data;
    212
    213	return snd_vx_suspend(&vx->core);
    214}
    215
    216static int snd_vx222_resume(struct device *dev)
    217{
    218	struct snd_card *card = dev_get_drvdata(dev);
    219	struct snd_vx222 *vx = card->private_data;
    220
    221	return snd_vx_resume(&vx->core);
    222}
    223
    224static SIMPLE_DEV_PM_OPS(snd_vx222_pm, snd_vx222_suspend, snd_vx222_resume);
    225#define SND_VX222_PM_OPS	&snd_vx222_pm
    226#else
    227#define SND_VX222_PM_OPS	NULL
    228#endif
    229
    230static struct pci_driver vx222_driver = {
    231	.name = KBUILD_MODNAME,
    232	.id_table = snd_vx222_ids,
    233	.probe = snd_vx222_probe,
    234	.driver = {
    235		.pm = SND_VX222_PM_OPS,
    236	},
    237};
    238
    239module_pci_driver(vx222_driver);