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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/sound/drivers/vx/vx_hwdep.c
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// SPDX-License-Identifier: GPL-2.0-or-later

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/*

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 * Driver for Digigram VX soundcards

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 *

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 * DSP firmware management

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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/device.h>

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#include <linux/firmware.h>

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#include <linux/slab.h>

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#include <linux/vmalloc.h>

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#include <linux/module.h>

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#include <sound/core.h>

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#include <sound/hwdep.h>

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#include <sound/vx_core.h>

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MODULE_FIRMWARE("vx/bx_1_vxp.b56");

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MODULE_FIRMWARE("vx/bx_1_vp4.b56");

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MODULE_FIRMWARE("vx/x1_1_vx2.xlx");

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MODULE_FIRMWARE("vx/x1_2_v22.xlx");

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MODULE_FIRMWARE("vx/x1_1_vxp.xlx");

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MODULE_FIRMWARE("vx/x1_1_vp4.xlx");

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MODULE_FIRMWARE("vx/bd56002.boot");

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MODULE_FIRMWARE("vx/bd563v2.boot");

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MODULE_FIRMWARE("vx/bd563s3.boot");

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MODULE_FIRMWARE("vx/l_1_vx2.d56");

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MODULE_FIRMWARE("vx/l_1_v22.d56");

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MODULE_FIRMWARE("vx/l_1_vxp.d56");

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MODULE_FIRMWARE("vx/l_1_vp4.d56");

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int snd_vx_setup_firmware(struct vx_core *chip)

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{

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	static const char * const fw_files[VX_TYPE_NUMS][4] = {

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		[VX_TYPE_BOARD] = {

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			NULL, "x1_1_vx2.xlx", "bd56002.boot", "l_1_vx2.d56",

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		},

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		[VX_TYPE_V2] = {

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			NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",

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		},

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		[VX_TYPE_MIC] = {

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			NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",

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		},

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		[VX_TYPE_VXPOCKET] = {

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			"bx_1_vxp.b56", "x1_1_vxp.xlx", "bd563s3.boot", "l_1_vxp.d56"

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		},

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		[VX_TYPE_VXP440] = {

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			"bx_1_vp4.b56", "x1_1_vp4.xlx", "bd563s3.boot", "l_1_vp4.d56"

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		},

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	};

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	int i, err;

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	for (i = 0; i < 4; i++) {

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		char path[32];

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		const struct firmware *fw;

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		if (! fw_files[chip->type][i])

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			continue;

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		sprintf(path, "vx/%s", fw_files[chip->type][i]);

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		if (request_firmware(&fw, path, chip->card->dev)) {

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			dev_err(chip->card->dev, "vx: can't load firmware %s\n", path);

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			return -ENOENT;

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		}

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		err = chip->ops->load_dsp(chip, i, fw);

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		if (err < 0) {

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			release_firmware(fw);

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			return err;

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		}

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		if (i == 1)

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			chip->chip_status |= VX_STAT_XILINX_LOADED;

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#ifdef CONFIG_PM

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		chip->firmware[i] = fw;

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#else

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		release_firmware(fw);

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#endif

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	}

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	/* ok, we reached to the last one */

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	/* create the devices if not built yet */

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	err = snd_vx_pcm_new(chip);

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	if (err < 0)

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		return err;

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	err = snd_vx_mixer_new(chip);

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	if (err < 0)

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		return err;

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	if (chip->ops->add_controls) {

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		err = chip->ops->add_controls(chip);

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		if (err < 0)

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			return err;

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	}

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	chip->chip_status |= VX_STAT_DEVICE_INIT;

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	chip->chip_status |= VX_STAT_CHIP_INIT;

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	return snd_card_register(chip->card);

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}

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/* exported */

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void snd_vx_free_firmware(struct vx_core *chip)

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{

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#ifdef CONFIG_PM

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	int i;

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	for (i = 0; i < 4; i++)

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		release_firmware(chip->firmware[i]);

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#endif

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}

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EXPORT_SYMBOL(snd_vx_setup_firmware);

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EXPORT_SYMBOL(snd_vx_free_firmware);

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