Release 4.7 sound/pci/echoaudio/indigo_express_dsp.c
/************************************************************************
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 set_sample_rate(struct echoaudio *chip, u32 rate)
{
u32 clock, control_reg, old_control_reg;
if (wait_handshake(chip))
return -EIO;
old_control_reg = le32_to_cpu(chip->comm_page->control_register);
control_reg = old_control_reg & ~INDIGO_EXPRESS_CLOCK_MASK;
switch (rate) {
case 32000:
clock = INDIGO_EXPRESS_32000;
break;
case 44100:
clock = INDIGO_EXPRESS_44100;
break;
case 48000:
clock = INDIGO_EXPRESS_48000;
break;
case 64000:
clock = INDIGO_EXPRESS_32000|INDIGO_EXPRESS_DOUBLE_SPEED;
break;
case 88200:
clock = INDIGO_EXPRESS_44100|INDIGO_EXPRESS_DOUBLE_SPEED;
break;
case 96000:
clock = INDIGO_EXPRESS_48000|INDIGO_EXPRESS_DOUBLE_SPEED;
break;
default:
return -EINVAL;
}
control_reg |= clock;
if (control_reg != old_control_reg) {
dev_dbg(chip->card->dev,
"set_sample_rate: %d clock %d\n", rate, clock);
chip->comm_page->control_register = cpu_to_le32(control_reg);
chip->sample_rate = rate;
clear_handshake(chip);
return send_vector(chip, DSP_VC_UPDATE_CLOCKS);
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| giuliano pochini | giuliano pochini | 166 | 94.86% | 2 | 66.67% |
| sudip mukherjee | sudip mukherjee | 9 | 5.14% | 1 | 33.33% |
| Total | 175 | 100.00% | 3 | 100.00% |
/* This function routes the sound from a virtual channel to a real output */
static int set_vmixer_gain(struct echoaudio *chip, u16 output, u16 pipe,
int gain)
{
int index;
if (snd_BUG_ON(pipe >= num_pipes_out(chip) ||
output >= num_busses_out(chip)))
return -EINVAL;
if (wait_handshake(chip))
return -EIO;
chip->vmixer_gain[output][pipe] = gain;
index = output * num_pipes_out(chip) + pipe;
chip->comm_page->vmixer[index] = gain;
dev_dbg(chip->card->dev,
"set_vmixer_gain: pipe %d, out %d = %d\n", pipe, output, gain);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| giuliano pochini | giuliano pochini | 101 | 90.99% | 1 | 50.00% |
| sudip mukherjee | sudip mukherjee | 10 | 9.01% | 1 | 50.00% |
| Total | 111 | 100.00% | 2 | 100.00% |
/* Tell the DSP to read and update virtual mixer levels in comm page. */
static int update_vmixer_level(struct echoaudio *chip)
{
if (wait_handshake(chip))
return -EIO;
clear_handshake(chip);
return send_vector(chip, DSP_VC_SET_VMIXER_GAIN);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| giuliano pochini | giuliano pochini | 35 | 100.00% | 1 | 100.00% |
| Total | 35 | 100.00% | 1 | 100.00% |
static u32 detect_input_clocks(const struct echoaudio *chip)
{
return ECHO_CLOCK_BIT_INTERNAL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| giuliano pochini | giuliano pochini | 15 | 100.00% | 1 | 100.00% |
| Total | 15 | 100.00% | 1 | 100.00% |
/* The IndigoIO has no ASIC. Just do nothing */
static int load_asic(struct echoaudio *chip)
{
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| giuliano pochini | giuliano pochini | 14 | 100.00% | 1 | 100.00% |
| Total | 14 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| giuliano pochini | giuliano pochini | 335 | 94.63% | 2 | 66.67% |
| sudip mukherjee | sudip mukherjee | 19 | 5.37% | 1 | 33.33% |
| Total | 354 | 100.00% | 3 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.