sound/drivers/vx/vx_hwdep.c - kernel/msm - Gitiles

 /*
  * Driver for Digigram VX soundcards
  *
  * DSP firmware management
  *
  * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 2 of the License, or
  *   (at your option) any later version.
  *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *   GNU General Public License for more details.
  *
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, write to the Free Software
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  */

 #include <linux/device.h>
 #include <linux/firmware.h>
 #include <linux/vmalloc.h>
 #include <sound/core.h>
 #include <sound/hwdep.h>
 #include <sound/vx_core.h>

 #ifdef SND_VX_FW_LOADER

 MODULE_FIRMWARE("vx/bx_1_vxp.b56");
 MODULE_FIRMWARE("vx/bx_1_vp4.b56");
 MODULE_FIRMWARE("vx/x1_1_vx2.xlx");
 MODULE_FIRMWARE("vx/x1_2_v22.xlx");
 MODULE_FIRMWARE("vx/x1_1_vxp.xlx");
 MODULE_FIRMWARE("vx/x1_1_vp4.xlx");
 MODULE_FIRMWARE("vx/bd56002.boot");
 MODULE_FIRMWARE("vx/bd563v2.boot");
 MODULE_FIRMWARE("vx/bd563s3.boot");
 MODULE_FIRMWARE("vx/l_1_vx2.d56");
 MODULE_FIRMWARE("vx/l_1_v22.d56");
 MODULE_FIRMWARE("vx/l_1_vxp.d56");
 MODULE_FIRMWARE("vx/l_1_vp4.d56");

 int snd_vx_setup_firmware(struct vx_core *chip)
 {
 	static char *fw_files[VX_TYPE_NUMS][4] = {
 		[VX_TYPE_BOARD] = {
 			NULL, "x1_1_vx2.xlx", "bd56002.boot", "l_1_vx2.d56",
 		},
 		[VX_TYPE_V2] = {
 			NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
 		},
 		[VX_TYPE_MIC] = {
 			NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
 		},
 		[VX_TYPE_VXPOCKET] = {
 			"bx_1_vxp.b56", "x1_1_vxp.xlx", "bd563s3.boot", "l_1_vxp.d56"
 		},
 		[VX_TYPE_VXP440] = {
 			"bx_1_vp4.b56", "x1_1_vp4.xlx", "bd563s3.boot", "l_1_vp4.d56"
 		},
 	};

 	int i, err;

 	for (i = 0; i < 4; i++) {
 		char path[32];
 		const struct firmware *fw;
 		if (! fw_files[chip->type][i])
 			continue;
 		sprintf(path, "vx/%s", fw_files[chip->type][i]);
 		if (request_firmware(&fw, path, chip->dev)) {
 			snd_printk(KERN_ERR "vx: can't load firmware %s\n", path);
 			return -ENOENT;
 		}
 		err = chip->ops->load_dsp(chip, i, fw);
 		if (err < 0) {
 			release_firmware(fw);
 			return err;
 		}
 		if (i == 1)
 			chip->chip_status |= VX_STAT_XILINX_LOADED;
 #ifdef CONFIG_PM
 		chip->firmware[i] = fw;
 #else
 		release_firmware(fw);
 #endif
 	}

 	/* ok, we reached to the last one */
 	/* create the devices if not built yet */
 	if ((err = snd_vx_pcm_new(chip)) < 0)
 		return err;

 	if ((err = snd_vx_mixer_new(chip)) < 0)
 		return err;

 	if (chip->ops->add_controls)
 		if ((err = chip->ops->add_controls(chip)) < 0)
 			return err;

 	chip->chip_status |= VX_STAT_DEVICE_INIT;
 	chip->chip_status |= VX_STAT_CHIP_INIT;

 	return snd_card_register(chip->card);
 }

 /* exported */
 void snd_vx_free_firmware(struct vx_core *chip)
 {
 #ifdef CONFIG_PM
 	int i;
 	for (i = 0; i < 4; i++)
 		release_firmware(chip->firmware[i]);
 #endif
 }

 #else /* old style firmware loading */

 static int vx_hwdep_open(struct snd_hwdep *hw, struct file *file)
 {
 	return 0;
 }

 static int vx_hwdep_release(struct snd_hwdep *hw, struct file *file)
 {
 	return 0;
 }

 static int vx_hwdep_dsp_status(struct snd_hwdep *hw,
 			       struct snd_hwdep_dsp_status *info)
 {
 	static char *type_ids[VX_TYPE_NUMS] = {
 		[VX_TYPE_BOARD] = "vxboard",
 		[VX_TYPE_V2] = "vx222",
 		[VX_TYPE_MIC] = "vx222",
 		[VX_TYPE_VXPOCKET] = "vxpocket",
 		[VX_TYPE_VXP440] = "vxp440",
 	};
 	struct vx_core *vx = hw->private_data;

 	snd_assert(type_ids[vx->type], return -EINVAL);
 	strcpy(info->id, type_ids[vx->type]);
 	if (vx_is_pcmcia(vx))
 		info->num_dsps = 4;
 	else
 		info->num_dsps = 3;
 	if (vx->chip_status & VX_STAT_CHIP_INIT)
 		info->chip_ready = 1;
 	info->version = VX_DRIVER_VERSION;
 	return 0;
 }

 static void free_fw(const struct firmware *fw)
 {
 	if (fw) {
 		vfree(fw->data);
 		kfree(fw);
 	}
 }

 static int vx_hwdep_dsp_load(struct snd_hwdep *hw,
 			     struct snd_hwdep_dsp_image *dsp)
 {
 	struct vx_core *vx = hw->private_data;
 	int index, err;
 	struct firmware *fw;

 	snd_assert(vx->ops->load_dsp, return -ENXIO);

 	fw = kmalloc(sizeof(*fw), GFP_KERNEL);
 	if (! fw) {
 		snd_printk(KERN_ERR "cannot allocate firmware\n");
 		return -ENOMEM;
 	}
 	fw->size = dsp->length;
 	fw->data = vmalloc(fw->size);
 	if (! fw->data) {
 		snd_printk(KERN_ERR "cannot allocate firmware image (length=%d)\n",
 			   (int)fw->size);
 		kfree(fw);
 		return -ENOMEM;
 	}
 	if (copy_from_user((void *)fw->data, dsp->image, dsp->length)) {
 		free_fw(fw);
 		return -EFAULT;
 	}

 	index = dsp->index;
 	if (! vx_is_pcmcia(vx))
 		index++;
 	err = vx->ops->load_dsp(vx, index, fw);
 	if (err < 0) {
 		free_fw(fw);
 		return err;
 	}
 #ifdef CONFIG_PM
 	vx->firmware[index] = fw;
 #else
 	free_fw(fw);
 #endif

 	if (index == 1)
 		vx->chip_status |= VX_STAT_XILINX_LOADED;
 	if (index < 3)
 		return 0;

 	/* ok, we reached to the last one */
 	/* create the devices if not built yet */
 	if (! (vx->chip_status & VX_STAT_DEVICE_INIT)) {
 		if ((err = snd_vx_pcm_new(vx)) < 0)
 			return err;

 		if ((err = snd_vx_mixer_new(vx)) < 0)
 			return err;

 		if (vx->ops->add_controls)
 			if ((err = vx->ops->add_controls(vx)) < 0)
 				return err;

 		if ((err = snd_card_register(vx->card)) < 0)
 			return err;

 		vx->chip_status |= VX_STAT_DEVICE_INIT;
 	}
 	vx->chip_status |= VX_STAT_CHIP_INIT;
 	return 0;
 }


 /* exported */
 int snd_vx_setup_firmware(struct vx_core *chip)
 {
 	int err;
 	struct snd_hwdep *hw;

 	if ((err = snd_hwdep_new(chip->card, SND_VX_HWDEP_ID, 0, &hw)) < 0)
 		return err;

 	hw->iface = SNDRV_HWDEP_IFACE_VX;
 	hw->private_data = chip;
 	hw->ops.open = vx_hwdep_open;
 	hw->ops.release = vx_hwdep_release;
 	hw->ops.dsp_status = vx_hwdep_dsp_status;
 	hw->ops.dsp_load = vx_hwdep_dsp_load;
 	hw->exclusive = 1;
 	sprintf(hw->name, "VX Loader (%s)", chip->card->driver);
 	chip->hwdep = hw;

 	return snd_card_register(chip->card);
 }

 /* exported */
 void snd_vx_free_firmware(struct vx_core *chip)
 {
 #ifdef CONFIG_PM
 	int i;
 	for (i = 0; i < 4; i++)
 		free_fw(chip->firmware[i]);
 #endif
 }

 #endif /* SND_VX_FW_LOADER */

 EXPORT_SYMBOL(snd_vx_setup_firmware);
 EXPORT_SYMBOL(snd_vx_free_firmware);
	/*
	* Driver for Digigram VX soundcards
	*
	* DSP firmware management
	*
	* Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; either version 2 of the License, or
	* (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*/

	#include <linux/device.h>
	#include <linux/firmware.h>
	#include <linux/vmalloc.h>
	#include <sound/core.h>
	#include <sound/hwdep.h>
	#include <sound/vx_core.h>

	#ifdef SND_VX_FW_LOADER

	MODULE_FIRMWARE("vx/bx_1_vxp.b56");
	MODULE_FIRMWARE("vx/bx_1_vp4.b56");
	MODULE_FIRMWARE("vx/x1_1_vx2.xlx");
	MODULE_FIRMWARE("vx/x1_2_v22.xlx");
	MODULE_FIRMWARE("vx/x1_1_vxp.xlx");
	MODULE_FIRMWARE("vx/x1_1_vp4.xlx");
	MODULE_FIRMWARE("vx/bd56002.boot");
	MODULE_FIRMWARE("vx/bd563v2.boot");
	MODULE_FIRMWARE("vx/bd563s3.boot");
	MODULE_FIRMWARE("vx/l_1_vx2.d56");
	MODULE_FIRMWARE("vx/l_1_v22.d56");
	MODULE_FIRMWARE("vx/l_1_vxp.d56");
	MODULE_FIRMWARE("vx/l_1_vp4.d56");

	int snd_vx_setup_firmware(struct vx_core *chip)
	{
	static char *fw_files[VX_TYPE_NUMS][4] = {
	[VX_TYPE_BOARD] = {
	NULL, "x1_1_vx2.xlx", "bd56002.boot", "l_1_vx2.d56",
	},
	[VX_TYPE_V2] = {
	NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
	},
	[VX_TYPE_MIC] = {
	NULL, "x1_2_v22.xlx", "bd563v2.boot", "l_1_v22.d56",
	},
	[VX_TYPE_VXPOCKET] = {
	"bx_1_vxp.b56", "x1_1_vxp.xlx", "bd563s3.boot", "l_1_vxp.d56"
	},
	[VX_TYPE_VXP440] = {
	"bx_1_vp4.b56", "x1_1_vp4.xlx", "bd563s3.boot", "l_1_vp4.d56"
	},
	};

	int i, err;

	for (i = 0; i < 4; i++) {
	char path[32];
	const struct firmware *fw;
	if (! fw_files[chip->type][i])
	continue;
	sprintf(path, "vx/%s", fw_files[chip->type][i]);
	if (request_firmware(&fw, path, chip->dev)) {
	snd_printk(KERN_ERR "vx: can't load firmware %s\n", path);
	return -ENOENT;
	}
	err = chip->ops->load_dsp(chip, i, fw);
	if (err < 0) {
	release_firmware(fw);
	return err;
	}
	if (i == 1)
	chip->chip_status \|= VX_STAT_XILINX_LOADED;
	#ifdef CONFIG_PM
	chip->firmware[i] = fw;
	#else
	release_firmware(fw);
	#endif
	}

	/* ok, we reached to the last one */
	/* create the devices if not built yet */
	if ((err = snd_vx_pcm_new(chip)) < 0)
	return err;

	if ((err = snd_vx_mixer_new(chip)) < 0)
	return err;

	if (chip->ops->add_controls)
	if ((err = chip->ops->add_controls(chip)) < 0)
	return err;

	chip->chip_status \|= VX_STAT_DEVICE_INIT;
	chip->chip_status \|= VX_STAT_CHIP_INIT;

	return snd_card_register(chip->card);
	}

	/* exported */
	void snd_vx_free_firmware(struct vx_core *chip)
	{
	#ifdef CONFIG_PM
	int i;
	for (i = 0; i < 4; i++)
	release_firmware(chip->firmware[i]);
	#endif
	}

	#else /* old style firmware loading */

	static int vx_hwdep_open(struct snd_hwdep hw, struct file file)
	{
	return 0;
	}

	static int vx_hwdep_release(struct snd_hwdep hw, struct file file)
	{
	return 0;
	}

	static int vx_hwdep_dsp_status(struct snd_hwdep *hw,
	struct snd_hwdep_dsp_status *info)
	{
	static char *type_ids[VX_TYPE_NUMS] = {
	[VX_TYPE_BOARD] = "vxboard",
	[VX_TYPE_V2] = "vx222",
	[VX_TYPE_MIC] = "vx222",
	[VX_TYPE_VXPOCKET] = "vxpocket",
	[VX_TYPE_VXP440] = "vxp440",
	};
	struct vx_core *vx = hw->private_data;

	snd_assert(type_ids[vx->type], return -EINVAL);
	strcpy(info->id, type_ids[vx->type]);
	if (vx_is_pcmcia(vx))
	info->num_dsps = 4;
	else
	info->num_dsps = 3;
	if (vx->chip_status & VX_STAT_CHIP_INIT)
	info->chip_ready = 1;
	info->version = VX_DRIVER_VERSION;
	return 0;
	}

	static void free_fw(const struct firmware *fw)
	{
	if (fw) {
	vfree(fw->data);
	kfree(fw);
	}
	}

	static int vx_hwdep_dsp_load(struct snd_hwdep *hw,
	struct snd_hwdep_dsp_image *dsp)
	{
	struct vx_core *vx = hw->private_data;
	int index, err;
	struct firmware *fw;

	snd_assert(vx->ops->load_dsp, return -ENXIO);

	fw = kmalloc(sizeof(*fw), GFP_KERNEL);
	if (! fw) {
	snd_printk(KERN_ERR "cannot allocate firmware\n");
	return -ENOMEM;
	}
	fw->size = dsp->length;
	fw->data = vmalloc(fw->size);
	if (! fw->data) {
	snd_printk(KERN_ERR "cannot allocate firmware image (length=%d)\n",
	(int)fw->size);
	kfree(fw);
	return -ENOMEM;
	}
	if (copy_from_user((void *)fw->data, dsp->image, dsp->length)) {
	free_fw(fw);
	return -EFAULT;
	}

	index = dsp->index;
	if (! vx_is_pcmcia(vx))
	index++;
	err = vx->ops->load_dsp(vx, index, fw);
	if (err < 0) {
	free_fw(fw);
	return err;
	}
	#ifdef CONFIG_PM
	vx->firmware[index] = fw;
	#else
	free_fw(fw);
	#endif

	if (index == 1)
	vx->chip_status \|= VX_STAT_XILINX_LOADED;
	if (index < 3)
	return 0;

	/* ok, we reached to the last one */
	/* create the devices if not built yet */
	if (! (vx->chip_status & VX_STAT_DEVICE_INIT)) {
	if ((err = snd_vx_pcm_new(vx)) < 0)
	return err;

	if ((err = snd_vx_mixer_new(vx)) < 0)
	return err;

	if (vx->ops->add_controls)
	if ((err = vx->ops->add_controls(vx)) < 0)
	return err;

	if ((err = snd_card_register(vx->card)) < 0)
	return err;

	vx->chip_status \|= VX_STAT_DEVICE_INIT;
	}
	vx->chip_status \|= VX_STAT_CHIP_INIT;
	return 0;
	}


	/* exported */
	int snd_vx_setup_firmware(struct vx_core *chip)
	{
	int err;
	struct snd_hwdep *hw;

	if ((err = snd_hwdep_new(chip->card, SND_VX_HWDEP_ID, 0, &hw)) < 0)
	return err;

	hw->iface = SNDRV_HWDEP_IFACE_VX;
	hw->private_data = chip;
	hw->ops.open = vx_hwdep_open;
	hw->ops.release = vx_hwdep_release;
	hw->ops.dsp_status = vx_hwdep_dsp_status;
	hw->ops.dsp_load = vx_hwdep_dsp_load;
	hw->exclusive = 1;
	sprintf(hw->name, "VX Loader (%s)", chip->card->driver);
	chip->hwdep = hw;

	return snd_card_register(chip->card);
	}

	/* exported */
	void snd_vx_free_firmware(struct vx_core *chip)
	{
	#ifdef CONFIG_PM
	int i;
	for (i = 0; i < 4; i++)
	free_fw(chip->firmware[i]);
	#endif
	}

	#endif /* SND_VX_FW_LOADER */

	EXPORT_SYMBOL(snd_vx_setup_firmware);
	EXPORT_SYMBOL(snd_vx_free_firmware);