diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/echoaudio/echoaudio_gml.c')
-rw-r--r-- | ANDROID_3.4.5/sound/pci/echoaudio/echoaudio_gml.c | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/ANDROID_3.4.5/sound/pci/echoaudio/echoaudio_gml.c b/ANDROID_3.4.5/sound/pci/echoaudio/echoaudio_gml.c deleted file mode 100644 index afa27333..00000000 --- a/ANDROID_3.4.5/sound/pci/echoaudio/echoaudio_gml.c +++ /dev/null @@ -1,200 +0,0 @@ -/**************************************************************************** - - Copyright Echo Digital Audio Corporation (c) 1998 - 2004 - All rights reserved - www.echoaudio.com - - This file is part of Echo Digital Audio's generic driver library. - - Echo Digital Audio's generic driver library is free software; - you can redistribute it and/or modify it under the terms of - the GNU General Public License as published by the Free Software - Foundation. - - This program 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 General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; 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> - -****************************************************************************/ - - -/* These functions are common for Gina24, Layla24 and Mona cards */ - - -/* ASIC status check - some cards have one or two ASICs that need to be -loaded. Once that load is complete, this function is called to see if -the load was successful. -If this load fails, it does not necessarily mean that the hardware is -defective - the external box may be disconnected or turned off. */ -static int check_asic_status(struct echoaudio *chip) -{ - u32 asic_status; - - send_vector(chip, DSP_VC_TEST_ASIC); - - /* The DSP will return a value to indicate whether or not the - ASIC is currently loaded */ - if (read_dsp(chip, &asic_status) < 0) { - DE_INIT(("check_asic_status: failed on read_dsp\n")); - chip->asic_loaded = FALSE; - return -EIO; - } - - chip->asic_loaded = (asic_status == ASIC_ALREADY_LOADED); - return chip->asic_loaded ? 0 : -EIO; -} - - - -/* Most configuration of Gina24, Layla24, or Mona is accomplished by writing -the control register. write_control_reg sends the new control register -value to the DSP. */ -static int write_control_reg(struct echoaudio *chip, u32 value, char force) -{ - /* Handle the digital input auto-mute */ - if (chip->digital_in_automute) - value |= GML_DIGITAL_IN_AUTO_MUTE; - else - value &= ~GML_DIGITAL_IN_AUTO_MUTE; - - DE_ACT(("write_control_reg: 0x%x\n", value)); - - /* Write the control register */ - value = cpu_to_le32(value); - if (value != chip->comm_page->control_register || force) { - if (wait_handshake(chip)) - return -EIO; - chip->comm_page->control_register = value; - clear_handshake(chip); - return send_vector(chip, DSP_VC_WRITE_CONTROL_REG); - } - return 0; -} - - - -/* Gina24, Layla24, and Mona support digital input auto-mute. If the digital -input auto-mute is enabled, the DSP will only enable the digital inputs if -the card is syncing to a valid clock on the ADAT or S/PDIF inputs. -If the auto-mute is disabled, the digital inputs are enabled regardless of -what the input clock is set or what is connected. */ -static int set_input_auto_mute(struct echoaudio *chip, int automute) -{ - DE_ACT(("set_input_auto_mute %d\n", automute)); - - chip->digital_in_automute = automute; - - /* Re-set the input clock to the current value - indirectly causes - the auto-mute flag to be sent to the DSP */ - return set_input_clock(chip, chip->input_clock); -} - - - -/* 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; -} - - - -/* Set the S/PDIF output format */ -static int set_professional_spdif(struct echoaudio *chip, char prof) -{ - u32 control_reg; - int err; - - /* Clear the current S/PDIF flags */ - control_reg = le32_to_cpu(chip->comm_page->control_register); - control_reg &= GML_SPDIF_FORMAT_CLEAR_MASK; - - /* Set the new S/PDIF flags depending on the mode */ - control_reg |= GML_SPDIF_TWO_CHANNEL | GML_SPDIF_24_BIT | - GML_SPDIF_COPY_PERMIT; - if (prof) { - /* Professional mode */ - control_reg |= GML_SPDIF_PRO_MODE; - - switch (chip->sample_rate) { - case 32000: - control_reg |= GML_SPDIF_SAMPLE_RATE0 | - GML_SPDIF_SAMPLE_RATE1; - break; - case 44100: - control_reg |= GML_SPDIF_SAMPLE_RATE0; - break; - case 48000: - control_reg |= GML_SPDIF_SAMPLE_RATE1; - break; - } - } else { - /* Consumer mode */ - switch (chip->sample_rate) { - case 32000: - control_reg |= GML_SPDIF_SAMPLE_RATE0 | - GML_SPDIF_SAMPLE_RATE1; - break; - case 48000: - control_reg |= GML_SPDIF_SAMPLE_RATE1; - break; - } - } - - if ((err = write_control_reg(chip, control_reg, FALSE))) - return err; - chip->professional_spdif = prof; - DE_ACT(("set_professional_spdif to %s\n", - prof ? "Professional" : "Consumer")); - return 0; -} |