/* * 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 <sound/driver.h>#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_LOADERint snd_vx_setup_firmware(vx_core_t *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(vx_core_t *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(snd_hwdep_t *hw, struct file *file){	return 0;}static int vx_hwdep_release(snd_hwdep_t *hw, struct file *file){	return 0;}static int vx_hwdep_dsp_status(snd_hwdep_t *hw, snd_hwdep_dsp_status_t *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",	};	vx_core_t *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(snd_hwdep_t *hw, snd_hwdep_dsp_image_t *dsp){	vx_core_t *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(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(vx_core_t *chip){	int err;	snd_hwdep_t *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(vx_core_t *chip){#ifdef CONFIG_PM	int i;	for (i = 0; i < 4; i++)		free_fw(chip->firmware[i]);#endif}#endif /* SND_VX_FW_LOADER */