summaryrefslogtreecommitdiff
path: root/ANDROID_3.4.5/sound/pci/echoaudio/layla20_dsp.c
diff options
context:
space:
mode:
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/echoaudio/layla20_dsp.c')
-rw-r--r--ANDROID_3.4.5/sound/pci/echoaudio/layla20_dsp.c295
1 files changed, 0 insertions, 295 deletions
diff --git a/ANDROID_3.4.5/sound/pci/echoaudio/layla20_dsp.c b/ANDROID_3.4.5/sound/pci/echoaudio/layla20_dsp.c
deleted file mode 100644
index 53ce9460..00000000
--- a/ANDROID_3.4.5/sound/pci/echoaudio/layla20_dsp.c
+++ /dev/null
@@ -1,295 +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 read_dsp(struct echoaudio *chip, u32 *data);
-static int set_professional_spdif(struct echoaudio *chip, char prof);
-static int load_asic_generic(struct echoaudio *chip, u32 cmd, short asic);
-static int check_asic_status(struct echoaudio *chip);
-static int update_flags(struct echoaudio *chip);
-
-
-static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
-{
- int err;
-
- DE_INIT(("init_hw() - Layla20\n"));
- if (snd_BUG_ON((subdevice_id & 0xfff0) != LAYLA20))
- 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->has_midi = TRUE;
- chip->dsp_code_to_load = FW_LAYLA20_DSP;
- chip->input_clock_types =
- ECHO_CLOCK_BIT_INTERNAL | ECHO_CLOCK_BIT_SPDIF |
- ECHO_CLOCK_BIT_WORD | ECHO_CLOCK_BIT_SUPER;
- chip->output_clock_types =
- ECHO_CLOCK_BIT_WORD | ECHO_CLOCK_BIT_SUPER;
-
- 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)
-{
- chip->professional_spdif = FALSE;
- 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_SPDIF)
- clock_bits |= ECHO_CLOCK_BIT_SPDIF;
-
- if (clocks_from_dsp & GLDM_CLOCK_DETECT_BIT_WORD) {
- if (clocks_from_dsp & GLDM_CLOCK_DETECT_BIT_SUPER)
- clock_bits |= ECHO_CLOCK_BIT_SUPER;
- else
- clock_bits |= ECHO_CLOCK_BIT_WORD;
- }
-
- return clock_bits;
-}
-
-
-
-/* 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.
-This routine sometimes fails for Layla20; for Layla20, the loop runs
-5 times and succeeds if it wins on three of the loops. */
-static int check_asic_status(struct echoaudio *chip)
-{
- u32 asic_status;
- int goodcnt, i;
-
- chip->asic_loaded = FALSE;
- for (i = goodcnt = 0; i < 5; i++) {
- 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_ACT(("check_asic_status: failed on read_dsp\n"));
- return -EIO;
- }
-
- if (asic_status == ASIC_ALREADY_LOADED) {
- if (++goodcnt == 3) {
- chip->asic_loaded = TRUE;
- return 0;
- }
- }
- }
- return -EIO;
-}
-
-
-
-/* Layla20 has an ASIC in the external box */
-static int load_asic(struct echoaudio *chip)
-{
- int err;
-
- if (chip->asic_loaded)
- return 0;
-
- err = load_asic_generic(chip, DSP_FNC_LOAD_LAYLA_ASIC,
- FW_LAYLA20_ASIC);
- if (err < 0)
- return err;
-
- /* Check if ASIC is alive and well. */
- return check_asic_status(chip);
-}
-
-
-
-static int set_sample_rate(struct echoaudio *chip, u32 rate)
-{
- if (snd_BUG_ON(rate < 8000 || rate > 50000))
- return -EINVAL;
-
- /* Only set the clock for internal mode. Do not return failure,
- simply treat it as a non-event. */
- if (chip->input_clock != ECHO_CLOCK_INTERNAL) {
- DE_ACT(("set_sample_rate: Cannot set sample rate - "
- "clock not set to CLK_CLOCKININTERNAL\n"));
- chip->comm_page->sample_rate = cpu_to_le32(rate);
- chip->sample_rate = rate;
- return 0;
- }
-
- if (wait_handshake(chip))
- return -EIO;
-
- DE_ACT(("set_sample_rate(%d)\n", rate));
- chip->sample_rate = rate;
- chip->comm_page->sample_rate = cpu_to_le32(rate);
- clear_handshake(chip);
- return send_vector(chip, DSP_VC_SET_LAYLA_SAMPLE_RATE);
-}
-
-
-
-static int set_input_clock(struct echoaudio *chip, u16 clock_source)
-{
- u16 clock;
- u32 rate;
-
- DE_ACT(("set_input_clock:\n"));
- rate = 0;
- switch (clock_source) {
- case ECHO_CLOCK_INTERNAL:
- DE_ACT(("Set Layla20 clock to INTERNAL\n"));
- rate = chip->sample_rate;
- clock = LAYLA20_CLOCK_INTERNAL;
- break;
- case ECHO_CLOCK_SPDIF:
- DE_ACT(("Set Layla20 clock to SPDIF\n"));
- clock = LAYLA20_CLOCK_SPDIF;
- break;
- case ECHO_CLOCK_WORD:
- DE_ACT(("Set Layla20 clock to WORD\n"));
- clock = LAYLA20_CLOCK_WORD;
- break;
- case ECHO_CLOCK_SUPER:
- DE_ACT(("Set Layla20 clock to SUPER\n"));
- clock = LAYLA20_CLOCK_SUPER;
- break;
- default:
- DE_ACT(("Input clock 0x%x not supported for Layla24\n",
- clock_source));
- return -EINVAL;
- }
- chip->input_clock = clock_source;
-
- chip->comm_page->input_clock = cpu_to_le16(clock);
- clear_handshake(chip);
- send_vector(chip, DSP_VC_UPDATE_CLOCKS);
-
- if (rate)
- set_sample_rate(chip, rate);
-
- return 0;
-}
-
-
-
-static int set_output_clock(struct echoaudio *chip, u16 clock)
-{
- DE_ACT(("set_output_clock: %d\n", clock));
- switch (clock) {
- case ECHO_CLOCK_SUPER:
- clock = LAYLA20_OUTPUT_CLOCK_SUPER;
- break;
- case ECHO_CLOCK_WORD:
- clock = LAYLA20_OUTPUT_CLOCK_WORD;
- break;
- default:
- DE_ACT(("set_output_clock wrong clock\n"));
- return -EINVAL;
- }
-
- if (wait_handshake(chip))
- return -EIO;
-
- chip->comm_page->output_clock = cpu_to_le16(clock);
- chip->output_clock = clock;
- clear_handshake(chip);
- return send_vector(chip, DSP_VC_UPDATE_CLOCKS);
-}
-
-
-
-/* Set input bus gain (one unit is 0.5dB !) */
-static int set_input_gain(struct echoaudio *chip, u16 input, int gain)
-{
- if (snd_BUG_ON(input >= num_busses_in(chip)))
- return -EINVAL;
-
- if (wait_handshake(chip))
- return -EIO;
-
- chip->input_gain[input] = gain;
- gain += GL20_INPUT_GAIN_MAGIC_NUMBER;
- chip->comm_page->line_in_level[input] = gain;
- return 0;
-}
-
-
-
-/* Tell the DSP to reread the flags from the comm page */
-static int update_flags(struct echoaudio *chip)
-{
- if (wait_handshake(chip))
- return -EIO;
- clear_handshake(chip);
- return send_vector(chip, DSP_VC_UPDATE_FLAGS);
-}
-
-
-
-static int set_professional_spdif(struct echoaudio *chip, char prof)
-{
- DE_ACT(("set_professional_spdif %d\n", prof));
- if (prof)
- chip->comm_page->flags |=
- cpu_to_le32(DSP_FLAG_PROFESSIONAL_SPDIF);
- else
- chip->comm_page->flags &=
- ~cpu_to_le32(DSP_FLAG_PROFESSIONAL_SPDIF);
- chip->professional_spdif = prof;
- return update_flags(chip);
-}