1 files changed, 131 insertions, 0 deletions

diff --git a/sound/pci/echoaudio/echo3g_dsp.c b/sound/pci/echoaudio/echo3g_dsp.c
new file mode 100644
index 000000000000..d26a1d1f3ed1
--- /dev/null
+++ b/sound/pci/echoaudio/echo3g_dsp.c
@@ -0,0 +1,131 @@
+/****************************************************************************
+
+   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 load_asic(struct echoaudio *chip);
+static int dsp_set_digital_mode(struct echoaudio *chip, u8 mode);
+static int set_digital_mode(struct echoaudio *chip, u8 mode);
+static int check_asic_status(struct echoaudio *chip);
+static int set_sample_rate(struct echoaudio *chip, u32 rate);
+static int set_input_clock(struct echoaudio *chip, u16 clock);
+static int set_professional_spdif(struct echoaudio *chip, char prof);
+static int set_phantom_power(struct echoaudio *chip, char on);
+static int write_control_reg(struct echoaudio *chip, u32 ctl, u32 frq,
+                             char force);
+
+#include <linux/irq.h>
+
+static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
+{
+        int err;
+
+        local_irq_enable();
+        DE_INIT(("init_hw() - Echo3G\n"));
+        snd_assert((subdevice_id & 0xfff0) == ECHO3G, return -ENODEV);
+
+        if ((err = init_dsp_comm_page(chip))) {
+                DE_INIT(("init_hw - could not initialize DSP comm page\n"));
+                return err;
+        }
+
+        chip->comm_page->e3g_frq_register =
+                __constant_cpu_to_le32((E3G_MAGIC_NUMBER / 48000) - 2);
+        chip->device_id = device_id;
+        chip->subdevice_id = subdevice_id;
+        chip->bad_board = TRUE;
+        chip->has_midi = TRUE;
+        chip->dsp_code_to_load = &card_fw[FW_ECHO3G_DSP];
+
+        /* Load the DSP code and the ASIC on the PCI card and get
+        what type of external box is attached */
+        err = load_firmware(chip);
+
+        if (err < 0) {
+                return err;
+        } else if (err == E3G_GINA3G_BOX_TYPE) {
+                chip->input_clock_types =       ECHO_CLOCK_BIT_INTERNAL |
+                                                ECHO_CLOCK_BIT_SPDIF |
+                                                ECHO_CLOCK_BIT_ADAT;
+                chip->card_name = "Gina3G";
+                chip->px_digital_out = chip->bx_digital_out = 6;
+                chip->px_analog_in = chip->bx_analog_in = 14;
+                chip->px_digital_in = chip->bx_digital_in = 16;
+                chip->px_num = chip->bx_num = 24;
+                chip->has_phantom_power = TRUE;
+                chip->hasnt_input_nominal_level = TRUE;
+        } else if (err == E3G_LAYLA3G_BOX_TYPE) {
+                chip->input_clock_types =       ECHO_CLOCK_BIT_INTERNAL |
+                                                ECHO_CLOCK_BIT_SPDIF |
+                                                ECHO_CLOCK_BIT_ADAT |
+                                                ECHO_CLOCK_BIT_WORD;
+                chip->card_name = "Layla3G";
+                chip->px_digital_out = chip->bx_digital_out = 8;
+                chip->px_analog_in = chip->bx_analog_in = 16;
+                chip->px_digital_in = chip->bx_digital_in = 24;
+                chip->px_num = chip->bx_num = 32;
+        } else {
+                return -ENODEV;
+        }
+
+        chip->digital_modes =   ECHOCAPS_HAS_DIGITAL_MODE_SPDIF_RCA |
+                                ECHOCAPS_HAS_DIGITAL_MODE_SPDIF_OPTICAL |
+                                ECHOCAPS_HAS_DIGITAL_MODE_ADAT;
+        chip->digital_mode =    DIGITAL_MODE_SPDIF_RCA;
+        chip->professional_spdif = FALSE;
+        chip->non_audio_spdif = FALSE;
+        chip->bad_board = FALSE;
+
+        if ((err = init_line_levels(chip)) < 0)
+                return err;
+        err = set_digital_mode(chip, DIGITAL_MODE_SPDIF_RCA);
+        snd_assert(err >= 0, return err);
+        err = set_phantom_power(chip, 0);
+        snd_assert(err >= 0, return err);
+        err = set_professional_spdif(chip, TRUE);
+
+        DE_INIT(("init_hw done\n"));
+        return err;
+}
+
+
+
+static int set_phantom_power(struct echoaudio *chip, char on)
+{
+        u32 control_reg = le32_to_cpu(chip->comm_page->control_register);
+
+        if (on)
+                control_reg |= E3G_PHANTOM_POWER;
+        else
+                control_reg &= ~E3G_PHANTOM_POWER;
+
+        chip->phantom_power = on;
+        return write_control_reg(chip, control_reg,
+                                 le32_to_cpu(chip->comm_page->e3g_frq_register),
+                                 0);
+}