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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virtuoso.c (2386B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * C-Media CMI8788 driver for Asus Xonar cards
      4 *
      5 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
      6 */
      7
      8#include <linux/pci.h>
      9#include <linux/delay.h>
     10#include <linux/module.h>
     11#include <sound/core.h>
     12#include <sound/initval.h>
     13#include <sound/pcm.h>
     14#include "xonar.h"
     15
     16MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
     17MODULE_DESCRIPTION("Asus Virtuoso driver");
     18MODULE_LICENSE("GPL v2");
     19
     20static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
     21static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
     22static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
     23
     24module_param_array(index, int, NULL, 0444);
     25MODULE_PARM_DESC(index, "card index");
     26module_param_array(id, charp, NULL, 0444);
     27MODULE_PARM_DESC(id, "ID string");
     28module_param_array(enable, bool, NULL, 0444);
     29MODULE_PARM_DESC(enable, "enable card");
     30
     31static const struct pci_device_id xonar_ids[] = {
     32	{ OXYGEN_PCI_SUBID(0x1043, 0x8269) },
     33	{ OXYGEN_PCI_SUBID(0x1043, 0x8275) },
     34	{ OXYGEN_PCI_SUBID(0x1043, 0x82b7) },
     35	{ OXYGEN_PCI_SUBID(0x1043, 0x8314) },
     36	{ OXYGEN_PCI_SUBID(0x1043, 0x8327) },
     37	{ OXYGEN_PCI_SUBID(0x1043, 0x834f) },
     38	{ OXYGEN_PCI_SUBID(0x1043, 0x835c) },
     39	{ OXYGEN_PCI_SUBID(0x1043, 0x835d) },
     40	{ OXYGEN_PCI_SUBID(0x1043, 0x835e) },
     41	{ OXYGEN_PCI_SUBID(0x1043, 0x838e) },
     42	{ OXYGEN_PCI_SUBID(0x1043, 0x8428) },
     43	{ OXYGEN_PCI_SUBID(0x1043, 0x8522) },
     44	{ OXYGEN_PCI_SUBID(0x1043, 0x85f4) },
     45	{ OXYGEN_PCI_SUBID_BROKEN_EEPROM },
     46	{ }
     47};
     48MODULE_DEVICE_TABLE(pci, xonar_ids);
     49
     50static int get_xonar_model(struct oxygen *chip,
     51			   const struct pci_device_id *id)
     52{
     53	if (get_xonar_pcm179x_model(chip, id) >= 0)
     54		return 0;
     55	if (get_xonar_cs43xx_model(chip, id) >= 0)
     56		return 0;
     57	if (get_xonar_wm87x6_model(chip, id) >= 0)
     58		return 0;
     59	return -EINVAL;
     60}
     61
     62static int xonar_probe(struct pci_dev *pci,
     63		       const struct pci_device_id *pci_id)
     64{
     65	static int dev;
     66	int err;
     67
     68	if (dev >= SNDRV_CARDS)
     69		return -ENODEV;
     70	if (!enable[dev]) {
     71		++dev;
     72		return -ENOENT;
     73	}
     74	err = oxygen_pci_probe(pci, index[dev], id[dev], THIS_MODULE,
     75			       xonar_ids, get_xonar_model);
     76	if (err >= 0)
     77		++dev;
     78	return err;
     79}
     80
     81static struct pci_driver xonar_driver = {
     82	.name = KBUILD_MODNAME,
     83	.id_table = xonar_ids,
     84	.probe = xonar_probe,
     85#ifdef CONFIG_PM_SLEEP
     86	.driver = {
     87		.pm = &oxygen_pci_pm,
     88	},
     89#endif
     90	.shutdown = oxygen_pci_shutdown,
     91};
     92
     93module_pci_driver(xonar_driver);