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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vx_hwdep.c (2629B)

      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * Driver for Digigram VX soundcards
      4 *
      5 * DSP firmware management
      6 *
      7 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
      8 */
      9
     10#include <linux/device.h>
     11#include <linux/firmware.h>
     12#include <linux/slab.h>
     13#include <linux/vmalloc.h>
     14#include <linux/module.h>
     15#include <sound/core.h>
     16#include <sound/hwdep.h>
     17#include <sound/vx_core.h>
     18
     19MODULE_FIRMWARE("vx/bx_1_vxp.b56");
     20MODULE_FIRMWARE("vx/bx_1_vp4.b56");
     21MODULE_FIRMWARE("vx/x1_1_vx2.xlx");
     22MODULE_FIRMWARE("vx/x1_2_v22.xlx");
     23MODULE_FIRMWARE("vx/x1_1_vxp.xlx");
     24MODULE_FIRMWARE("vx/x1_1_vp4.xlx");
     25MODULE_FIRMWARE("vx/bd56002.boot");
     26MODULE_FIRMWARE("vx/bd563v2.boot");
     27MODULE_FIRMWARE("vx/bd563s3.boot");
     28MODULE_FIRMWARE("vx/l_1_vx2.d56");
     29MODULE_FIRMWARE("vx/l_1_v22.d56");
     30MODULE_FIRMWARE("vx/l_1_vxp.d56");
     31MODULE_FIRMWARE("vx/l_1_vp4.d56");
     32
     33int snd_vx_setup_firmware(struct vx_core *chip)
     34{
     35	static const char * const fw_files[VX_TYPE_NUMS][4] = {
     36		[VX_TYPE_BOARD] = {
     37			NULL, "x1_1_vx2.xlx", "bd56002.boot", "l_1_vx2.d56",
     38		},
     39		[VX_TYPE_V2] = {
     40			NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
     41		},
     42		[VX_TYPE_MIC] = {
     43			NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
     44		},
     45		[VX_TYPE_VXPOCKET] = {
     46			"bx_1_vxp.b56", "x1_1_vxp.xlx", "bd563s3.boot", "l_1_vxp.d56"
     47		},
     48		[VX_TYPE_VXP440] = {
     49			"bx_1_vp4.b56", "x1_1_vp4.xlx", "bd563s3.boot", "l_1_vp4.d56"
     50		},
     51	};
     52
     53	int i, err;
     54
     55	for (i = 0; i < 4; i++) {
     56		char path[32];
     57		const struct firmware *fw;
     58		if (! fw_files[chip->type][i])
     59			continue;
     60		sprintf(path, "vx/%s", fw_files[chip->type][i]);
     61		if (request_firmware(&fw, path, chip->dev)) {
     62			snd_printk(KERN_ERR "vx: can't load firmware %s\n", path);
     63			return -ENOENT;
     64		}
     65		err = chip->ops->load_dsp(chip, i, fw);
     66		if (err < 0) {
     67			release_firmware(fw);
     68			return err;
     69		}
     70		if (i == 1)
     71			chip->chip_status |= VX_STAT_XILINX_LOADED;
     72#ifdef CONFIG_PM
     73		chip->firmware[i] = fw;
     74#else
     75		release_firmware(fw);
     76#endif
     77	}
     78
     79	/* ok, we reached to the last one */
     80	/* create the devices if not built yet */
     81	err = snd_vx_pcm_new(chip);
     82	if (err < 0)
     83		return err;
     84
     85	err = snd_vx_mixer_new(chip);
     86	if (err < 0)
     87		return err;
     88
     89	if (chip->ops->add_controls) {
     90		err = chip->ops->add_controls(chip);
     91		if (err < 0)
     92			return err;
     93	}
     94
     95	chip->chip_status |= VX_STAT_DEVICE_INIT;
     96	chip->chip_status |= VX_STAT_CHIP_INIT;
     97
     98	return snd_card_register(chip->card);
     99}
    100
    101/* exported */
    102void snd_vx_free_firmware(struct vx_core *chip)
    103{
    104#ifdef CONFIG_PM
    105	int i;
    106	for (i = 0; i < 4; i++)
    107		release_firmware(chip->firmware[i]);
    108#endif
    109}
    110
    111EXPORT_SYMBOL(snd_vx_setup_firmware);
    112EXPORT_SYMBOL(snd_vx_free_firmware);