[ALSA] Add echoaudio sound drivers
From: Giuliano Pochini <pochini@shiny.it>Add echoaudio sound drivers (darla20, darla24, echo3g, gina20, gina24,
indigo, indigodj, indigoio, layla20, lala24, mia, mona)
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/pci/echoaudio/darla24_dsp.c b/sound/pci/echoaudio/darla24_dsp.c
new file mode 100644
index 0000000..79938ee
--- /dev/null
+++ b/sound/pci/echoaudio/darla24_dsp.c
@@ -0,0 +1,156 @@
+/***************************************************************************
+
+ 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"));
+ snd_assert((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 = &card_fw[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;
+
+ if ((err = init_line_levels(chip)) < 0)
+ return err;
+
+ DE_INIT(("init_hw done\n"));
+ return err;
+}
+
+
+
+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)
+{
+ snd_assert(clock == ECHO_CLOCK_INTERNAL ||
+ clock == ECHO_CLOCK_ESYNC, return -EINVAL);
+ chip->input_clock = clock;
+ return set_sample_rate(chip, chip->sample_rate);
+}
+