static void get_audio_meters(struct echoaudio *chip, long *meters)
{
int i, m, n;
m = 0;
n = 0;
for (i = 0; i < num_busses_out(chip); i++, m++) {
meters[n++] = chip->comm_page->vu_meter[m];
meters[n++] = chip->comm_page->peak_meter[m];
}
for (; n < 32; n++)
meters[n] = 0;
#ifdef ECHOCARD_ECHO3G
m = E3G_MAX_OUTPUTS; /* */
#endif
for (i = 0; i < num_busses_in(chip); i++, m++) {
meters[n++] = chip->comm_page->vu_meter[m];
meters[n++] = chip->comm_page->peak_meter[m];
}
for (; n < 64; n++)
meters[n] = 0;
#ifdef ECHOCARD_HAS_VMIXER
for (i = 0; i < num_pipes_out(chip); i++, m++) {
meters[n++] = chip->comm_page->vu_meter[m];
meters[n++] = chip->comm_page->peak_meter[m];
}
#endif
for (; n < 96; n++)
meters[n] = 0;
}
/* S/PDIF coax / S/PDIF optical / ADAT - switch */
static int set_digital_mode(struct echoaudio *chip, u8 mode)
{
u8 previous_mode;
int err, i, o;
if (chip->bad_board)
return -EIO;
/* All audio channels must be closed before changing the digital mode */
if (snd_BUG_ON(chip->pipe_alloc_mask))
return -EAGAIN;
if (snd_BUG_ON(!(chip->digital_modes & (1 << mode))))
return -EINVAL;
previous_mode = chip->digital_mode;
err = dsp_set_digital_mode(chip, mode);
/* If we successfully changed the digital mode from or to ADAT,
then make sure all output, input and monitor levels are
updated by the DSP comm object. */
if (err >= 0 && previous_mode != mode &&
(previous_mode == DIGITAL_MODE_ADAT || mode == DIGITAL_MODE_ADAT)) {
spin_lock_irq(&chip->lock);
for (o = 0; o < num_busses_out(chip); o++)
for (i = 0; i < num_busses_in(chip); i++)
set_monitor_gain(chip, o, i,
chip->monitor_gain[o][i]);
#ifdef ECHOCARD_HAS_INPUT_GAIN
for (i = 0; i < num_busses_in(chip); i++)
set_input_gain(chip, i, chip->input_gain[i]);
update_input_line_level(chip);
#endif
for (o = 0; o < num_busses_out(chip); o++)
set_output_gain(chip, o, chip->output_gain[o]);
update_output_line_level(chip);
spin_unlock_irq(&chip->lock);
}
return err;
}
/* This function initializes the several volume controls for busses and pipes.
This MUST be called after the DSP is up and running ! */
static int init_line_levels(struct echoaudio *chip)
{
int st, i, o;
DE_INIT(("init_line_levels\n"));
/* Mute output busses */
for (i = 0; i < num_busses_out(chip); i++)
if ((st = set_output_gain(chip, i, ECHOGAIN_MUTED)))
return st;
if ((st = update_output_line_level(chip)))
return st;
#ifdef ECHOCARD_HAS_VMIXER
/* Mute the Vmixer */
for (i = 0; i < num_pipes_out(chip); i++)
for (o = 0; o < num_busses_out(chip); o++)
if ((st = set_vmixer_gain(chip, o, i, ECHOGAIN_MUTED)))
return st;
if ((st = update_vmixer_level(chip)))
return st;
#endif /* ECHOCARD_HAS_VMIXER */
#ifdef ECHOCARD_HAS_MONITOR
/* Mute the monitor mixer */
for (o = 0; o < num_busses_out(chip); o++)
for (i = 0; i < num_busses_in(chip); i++)
if ((st = set_monitor_gain(chip, o, i, ECHOGAIN_MUTED)))
return st;
if ((st = update_output_line_level(chip)))
return st;
#endif /* ECHOCARD_HAS_MONITOR */
#ifdef ECHOCARD_HAS_INPUT_GAIN
for (i = 0; i < num_busses_in(chip); i++)
if ((st = set_input_gain(chip, i, ECHOGAIN_MUTED)))
return st;
if ((st = update_input_line_level(chip)))
return st;
#endif /* ECHOCARD_HAS_INPUT_GAIN */
return 0;
}
static int set_digital_mode(struct echoaudio *chip, u8 mode)
{
u8 previous_mode;
int err, i, o;
if (chip->bad_board)
return -EIO;
if (snd_BUG_ON(chip->pipe_alloc_mask))
return -EAGAIN;
if (snd_BUG_ON(!(chip->digital_modes & (1 << mode))))
return -EINVAL;
previous_mode = chip->digital_mode;
err = dsp_set_digital_mode(chip, mode);
if (err >= 0 && previous_mode != mode &&
(previous_mode == DIGITAL_MODE_ADAT || mode == DIGITAL_MODE_ADAT)) {
spin_lock_irq(&chip->lock);
for (o = 0; o < num_busses_out(chip); o++)
for (i = 0; i < num_busses_in(chip); i++)
set_monitor_gain(chip, o, i,
chip->monitor_gain[o][i]);
#ifdef ECHOCARD_HAS_INPUT_GAIN
for (i = 0; i < num_busses_in(chip); i++)
set_input_gain(chip, i, chip->input_gain[i]);
update_input_line_level(chip);
#endif
for (o = 0; o < num_busses_out(chip); o++)
set_output_gain(chip, o, chip->output_gain[o]);
update_output_line_level(chip);
spin_unlock_irq(&chip->lock);
}
return err;
}
static int set_output_gain(struct echoaudio *chip, u16 channel, s8 gain)
{
if (snd_BUG_ON(channel >= num_busses_out(chip)))
return -EINVAL;
if (wait_handshake(chip))
return -EIO;
/* */
chip->output_gain[channel] = gain;
chip->comm_page->line_out_level[channel] = gain;
return 0;
}
static int set_monitor_gain(struct echoaudio *chip, u16 output, u16 input,
s8 gain)
{
if (snd_BUG_ON(output >= num_busses_out(chip) ||
input >= num_busses_in(chip)))
return -EINVAL;
if (wait_handshake(chip))
return -EIO;
chip->monitor_gain[output][input] = gain;
chip->comm_page->monitors[monitor_index(chip, output, input)] = gain;
return 0;
}
static int set_nominal_level(struct echoaudio *chip, u16 index, char consumer)
{
if (snd_BUG_ON(index >= num_busses_out(chip) + num_busses_in(chip)))
return -EINVAL;
/* */
if (wait_handshake(chip))
return -EIO;
chip->nominal_level[index] = consumer;
if (consumer)
chip->comm_page->nominal_level_mask |= cpu_to_le32(1 << index);
else
chip->comm_page->nominal_level_mask &= ~cpu_to_le32(1 << index);
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;
}
static int restore_dsp_rettings(struct echoaudio *chip)
{
int i, o, err;
DE_INIT(("restore_dsp_settings\n"));
if ((err = check_asic_status(chip)) < 0)
return err;
/* */
chip->comm_page->gd_clock_state = GD_CLOCK_UNDEF;
chip->comm_page->gd_spdif_status = GD_SPDIF_STATUS_UNDEF;
chip->comm_page->handshake = 0xffffffff;
/* */
for (i = 0; i < num_busses_out(chip); i++) {
err = set_output_gain(chip, i, chip->output_gain[i]);
if (err < 0)
return err;
}
#ifdef ECHOCARD_HAS_VMIXER
for (i = 0; i < num_pipes_out(chip); i++)
for (o = 0; o < num_busses_out(chip); o++) {
err = set_vmixer_gain(chip, o, i,
chip->vmixer_gain[o][i]);
if (err < 0)
return err;
}
if (update_vmixer_level(chip) < 0)
return -EIO;
#endif /* */
#ifdef ECHOCARD_HAS_MONITOR
for (o = 0; o < num_busses_out(chip); o++)
for (i = 0; i < num_busses_in(chip); i++) {
err = set_monitor_gain(chip, o, i,
chip->monitor_gain[o][i]);
if (err < 0)
return err;
}
#endif /* */
#ifdef ECHOCARD_HAS_INPUT_GAIN
for (i = 0; i < num_busses_in(chip); i++) {
err = set_input_gain(chip, i, chip->input_gain[i]);
if (err < 0)
return err;
}
#endif /* */
err = update_output_line_level(chip);
if (err < 0)
return err;
err = update_input_line_level(chip);
if (err < 0)
return err;
err = set_sample_rate(chip, chip->sample_rate);
if (err < 0)
return err;
if (chip->meters_enabled) {
err = send_vector(chip, DSP_VC_METERS_ON);
if (err < 0)
return err;
}
#ifdef ECHOCARD_HAS_DIGITAL_MODE_SWITCH
if (set_digital_mode(chip, chip->digital_mode) < 0)
return -EIO;
#endif
#ifdef ECHOCARD_HAS_DIGITAL_IO
if (set_professional_spdif(chip, chip->professional_spdif) < 0)
return -EIO;
#endif
#ifdef ECHOCARD_HAS_PHANTOM_POWER
if (set_phantom_power(chip, chip->phantom_power) < 0)
return -EIO;
#endif
#ifdef ECHOCARD_HAS_EXTERNAL_CLOCK
/* */
if (set_input_clock(chip, chip->input_clock) < 0)
return -EIO;
#endif
#ifdef ECHOCARD_HAS_OUTPUT_CLOCK_SWITCH
if (set_output_clock(chip, chip->output_clock) < 0)
return -EIO;
#endif
if (wait_handshake(chip) < 0)
return -EIO;
clear_handshake(chip);
if (send_vector(chip, DSP_VC_UPDATE_FLAGS) < 0)
return -EIO;
DE_INIT(("restore_dsp_rettings done\n"));
return 0;
}