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kernel/linux-rt-4.4.41/sound/pci/echoaudio/indigoiox_dsp.c 2.09 KB
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  /************************************************************************
  
  This file is part of Echo Digital Audio's generic driver library.
  Copyright Echo Digital Audio Corporation (c) 1998 - 2005
  All rights reserved
  www.echoaudio.com
  
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
  
  This library 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
  Lesser General Public License for more details.
  
  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  
  *************************************************************************
  
   Translation from C++ and adaptation for use in ALSA-Driver
   were made by Giuliano Pochini <pochini@shiny.it>
  
  *************************************************************************/
  
  static int update_vmixer_level(struct echoaudio *chip);
  static int set_vmixer_gain(struct echoaudio *chip, u16 output,
  			   u16 pipe, int gain);
  
  
  static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
  {
  	int err;
  
  	if (snd_BUG_ON((subdevice_id & 0xfff0) != INDIGO_IOX))
  		return -ENODEV;
  
  	err = init_dsp_comm_page(chip);
  	if (err < 0) {
  		dev_err(chip->card->dev,
  			"init_hw - could not initialize DSP comm page
  ");
  		return err;
  	}
  
  	chip->device_id = device_id;
  	chip->subdevice_id = subdevice_id;
  	chip->bad_board = true;
  	chip->dsp_code_to_load = FW_INDIGO_IOX_DSP;
  	/* Since this card has no ASIC, mark it as loaded so everything
  	   works OK */
  	chip->asic_loaded = true;
  	chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL;
  
  	err = load_firmware(chip);
  	if (err < 0)
  		return err;
  	chip->bad_board = false;
  
  	return err;
  }
  
  
  
  static int set_mixer_defaults(struct echoaudio *chip)
  {
  	return init_line_levels(chip);
  }