diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/echoaudio/darla24_dsp.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/echoaudio/darla24_dsp.c | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/ANDROID_3.4.5/sound/pci/echoaudio/darla24_dsp.c b/ANDROID_3.4.5/sound/pci/echoaudio/darla24_dsp.c deleted file mode 100644 index 6da6663e..00000000 --- a/ANDROID_3.4.5/sound/pci/echoaudio/darla24_dsp.c +++ /dev/null @@ -1,162 +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> - -****************************************************************************/ - - -static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) -{ - int err; - - DE_INIT(("init_hw() - Darla24\n")); - if (snd_BUG_ON((subdevice_id & 0xfff0) != DARLA24)) - return -ENODEV; - - if ((err = init_dsp_comm_page(chip))) { - DE_INIT(("init_hw - could not initialize DSP comm page\n")); - return err; - } - - chip->device_id = device_id; - chip->subdevice_id = subdevice_id; - chip->bad_board = TRUE; - chip->dsp_code_to_load = FW_DARLA24_DSP; - /* Since this card has no ASIC, mark it as loaded so everything - works OK */ - chip->asic_loaded = TRUE; - chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL | - ECHO_CLOCK_BIT_ESYNC; - - if ((err = load_firmware(chip)) < 0) - return err; - chip->bad_board = FALSE; - - DE_INIT(("init_hw done\n")); - return err; -} - - - -static int set_mixer_defaults(struct echoaudio *chip) -{ - return init_line_levels(chip); -} - - - -static u32 detect_input_clocks(const struct echoaudio *chip) -{ - u32 clocks_from_dsp, clock_bits; - - /* Map the DSP clock detect bits to the generic driver clock - detect bits */ - clocks_from_dsp = le32_to_cpu(chip->comm_page->status_clocks); - - clock_bits = ECHO_CLOCK_BIT_INTERNAL; - - if (clocks_from_dsp & GLDM_CLOCK_DETECT_BIT_ESYNC) - clock_bits |= ECHO_CLOCK_BIT_ESYNC; - - return clock_bits; -} - - - -/* The Darla24 has no ASIC. Just do nothing */ -static int load_asic(struct echoaudio *chip) -{ - return 0; -} - - - -static int set_sample_rate(struct echoaudio *chip, u32 rate) -{ - u8 clock; - - switch (rate) { - case 96000: - clock = GD24_96000; - break; - case 88200: - clock = GD24_88200; - break; - case 48000: - clock = GD24_48000; - break; - case 44100: - clock = GD24_44100; - break; - case 32000: - clock = GD24_32000; - break; - case 22050: - clock = GD24_22050; - break; - case 16000: - clock = GD24_16000; - break; - case 11025: - clock = GD24_11025; - break; - case 8000: - clock = GD24_8000; - break; - default: - DE_ACT(("set_sample_rate: Error, invalid sample rate %d\n", - rate)); - return -EINVAL; - } - - if (wait_handshake(chip)) - return -EIO; - - DE_ACT(("set_sample_rate: %d clock %d\n", rate, clock)); - chip->sample_rate = rate; - - /* Override the sample rate if this card is set to Echo sync. */ - if (chip->input_clock == ECHO_CLOCK_ESYNC) - clock = GD24_EXT_SYNC; - - chip->comm_page->sample_rate = cpu_to_le32(rate); /* ignored by the DSP ? */ - chip->comm_page->gd_clock_state = clock; - clear_handshake(chip); - return send_vector(chip, DSP_VC_SET_GD_AUDIO_STATE); -} - - - -static int set_input_clock(struct echoaudio *chip, u16 clock) -{ - if (snd_BUG_ON(clock != ECHO_CLOCK_INTERNAL && - clock != ECHO_CLOCK_ESYNC)) - return -EINVAL; - chip->input_clock = clock; - return set_sample_rate(chip, chip->sample_rate); -} - |