xref: /OK3568_Linux_fs/kernel/sound/pci/echoaudio/indigoiox_dsp.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /************************************************************************
2*4882a593Smuzhiyun 
3*4882a593Smuzhiyun This file is part of Echo Digital Audio's generic driver library.
4*4882a593Smuzhiyun Copyright Echo Digital Audio Corporation (c) 1998 - 2005
5*4882a593Smuzhiyun All rights reserved
6*4882a593Smuzhiyun www.echoaudio.com
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun This library is free software; you can redistribute it and/or
9*4882a593Smuzhiyun modify it under the terms of the GNU Lesser General Public
10*4882a593Smuzhiyun License as published by the Free Software Foundation; either
11*4882a593Smuzhiyun version 2.1 of the License, or (at your option) any later version.
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun This library is distributed in the hope that it will be useful,
14*4882a593Smuzhiyun but WITHOUT ANY WARRANTY; without even the implied warranty of
15*4882a593Smuzhiyun MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16*4882a593Smuzhiyun Lesser General Public License for more details.
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun You should have received a copy of the GNU Lesser General Public
19*4882a593Smuzhiyun License along with this library; if not, write to the Free Software
20*4882a593Smuzhiyun Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun *************************************************************************
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun  Translation from C++ and adaptation for use in ALSA-Driver
25*4882a593Smuzhiyun  were made by Giuliano Pochini <pochini@shiny.it>
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun *************************************************************************/
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun static int update_vmixer_level(struct echoaudio *chip);
30*4882a593Smuzhiyun static int set_vmixer_gain(struct echoaudio *chip, u16 output,
31*4882a593Smuzhiyun 			   u16 pipe, int gain);
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun 
init_hw(struct echoaudio * chip,u16 device_id,u16 subdevice_id)34*4882a593Smuzhiyun static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
35*4882a593Smuzhiyun {
36*4882a593Smuzhiyun 	int err;
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun 	if (snd_BUG_ON((subdevice_id & 0xfff0) != INDIGO_IOX))
39*4882a593Smuzhiyun 		return -ENODEV;
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun 	err = init_dsp_comm_page(chip);
42*4882a593Smuzhiyun 	if (err < 0) {
43*4882a593Smuzhiyun 		dev_err(chip->card->dev,
44*4882a593Smuzhiyun 			"init_hw - could not initialize DSP comm page\n");
45*4882a593Smuzhiyun 		return err;
46*4882a593Smuzhiyun 	}
47*4882a593Smuzhiyun 
48*4882a593Smuzhiyun 	chip->device_id = device_id;
49*4882a593Smuzhiyun 	chip->subdevice_id = subdevice_id;
50*4882a593Smuzhiyun 	chip->bad_board = true;
51*4882a593Smuzhiyun 	chip->dsp_code_to_load = FW_INDIGO_IOX_DSP;
52*4882a593Smuzhiyun 	/* Since this card has no ASIC, mark it as loaded so everything
53*4882a593Smuzhiyun 	   works OK */
54*4882a593Smuzhiyun 	chip->asic_loaded = true;
55*4882a593Smuzhiyun 	chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL;
56*4882a593Smuzhiyun 
57*4882a593Smuzhiyun 	err = load_firmware(chip);
58*4882a593Smuzhiyun 	if (err < 0)
59*4882a593Smuzhiyun 		return err;
60*4882a593Smuzhiyun 	chip->bad_board = false;
61*4882a593Smuzhiyun 
62*4882a593Smuzhiyun 	return err;
63*4882a593Smuzhiyun }
64*4882a593Smuzhiyun 
65*4882a593Smuzhiyun 
66*4882a593Smuzhiyun 
set_mixer_defaults(struct echoaudio * chip)67*4882a593Smuzhiyun static int set_mixer_defaults(struct echoaudio *chip)
68*4882a593Smuzhiyun {
69*4882a593Smuzhiyun 	return init_line_levels(chip);
70*4882a593Smuzhiyun }
71