mirror of
https://github.com/torvalds/linux.git
synced 2024-11-05 19:41:54 +00:00
ad3499f466
Move the controls init code outside the init_hw() function because is must not be called during resume. This patch moves the code that initializes the card's controls with default valued from the init_hw() function into a separated set_mixer_defaults() function (one for each of the 16 supported cards). This change is necessary because during resume we must resurrect the hardware without losing the previous settings. set_mixer_defaults() must be called only once when the module is loaded. Signed-off-by: Giuliano Pochini <pochini@shiny.it> Signed-off-by: Takashi Iwai <tiwai@suse.de>
121 lines
3.2 KiB
C
121 lines
3.2 KiB
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) {
|
|
DE_ACT(("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;
|
|
}
|
|
|
|
|
|
|
|
/* 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;
|
|
|
|
DE_ACT(("set_vmixer_gain: pipe %d, out %d = %d\n", pipe, output, gain));
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
/* 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);
|
|
}
|
|
|
|
|
|
|
|
static u32 detect_input_clocks(const struct echoaudio *chip)
|
|
{
|
|
return ECHO_CLOCK_BIT_INTERNAL;
|
|
}
|
|
|
|
|
|
|
|
/* The IndigoIO has no ASIC. Just do nothing */
|
|
static int load_asic(struct echoaudio *chip)
|
|
{
|
|
return 0;
|
|
}
|