projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| dd7b254d GP |
1 | /**************************************************************************** |
| 2 | ||
| 3 | Copyright Echo Digital Audio Corporation (c) 1998 - 2004 | |
| 4 | All rights reserved | |
| 5 | www.echoaudio.com | |
| 6 | ||
| 7 | This file is part of Echo Digital Audio's generic driver library. | |
| 8 | ||
| 9 | Echo Digital Audio's generic driver library is free software; | |
| 10 | you can redistribute it and/or modify it under the terms of | |
| 11 | the GNU General Public License as published by the Free Software | |
| 12 | Foundation. | |
| 13 | ||
| 14 | This program is distributed in the hope that it will be useful, | |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 | GNU General Public License for more details. | |
| 18 | ||
| 19 | You should have received a copy of the GNU General Public License | |
| 20 | along with this program; if not, write to the Free Software | |
| 21 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
| 22 | MA 02111-1307, USA. | |
| 23 | ||
| 24 | ************************************************************************* | |
| 25 | ||
| 26 | Translation from C++ and adaptation for use in ALSA-Driver | |
| 27 | were made by Giuliano Pochini <pochini@shiny.it> | |
| 28 | ||
| 29 | ****************************************************************************/ | |
| 30 | ||
| 31 | static int load_asic(struct echoaudio *chip); | |
| 32 | static int dsp_set_digital_mode(struct echoaudio *chip, u8 mode); | |
| 33 | static int set_digital_mode(struct echoaudio *chip, u8 mode); | |
| 34 | static int check_asic_status(struct echoaudio *chip); | |
| 35 | static int set_sample_rate(struct echoaudio *chip, u32 rate); | |
| 36 | static int set_input_clock(struct echoaudio *chip, u16 clock); | |
| 37 | static int set_professional_spdif(struct echoaudio *chip, char prof); | |
| 38 | static int set_phantom_power(struct echoaudio *chip, char on); | |
| 39 | static int write_control_reg(struct echoaudio *chip, u32 ctl, u32 frq, | |
| 40 | char force); | |
| 41 | ||
| 579c84a9 | 42 | #include <linux/interrupt.h> |
| dd7b254d GP |
43 | |
| 44 | static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) | |
| 45 | { | |
| 46 | int err; | |
| 47 | ||
| 48 | local_irq_enable(); | |
| 49 | DE_INIT(("init_hw() - Echo3G\n")); | |
| da3cec35 TI |
50 | if (snd_BUG_ON((subdevice_id & 0xfff0) != ECHO3G)) |
| 51 | return -ENODEV; | |
| dd7b254d GP |
52 | |
| 53 | if ((err = init_dsp_comm_page(chip))) { | |
| 54 | DE_INIT(("init_hw - could not initialize DSP comm page\n")); | |
| 55 | return err; | |
| 56 | } | |
| 57 | ||
| 58 | chip->comm_page->e3g_frq_register = | |
| e930e995 | 59 | cpu_to_le32((E3G_MAGIC_NUMBER / 48000) - 2); |
| dd7b254d GP |
60 | chip->device_id = device_id; |
| 61 | chip->subdevice_id = subdevice_id; | |
| 62 | chip->bad_board = TRUE; | |
| 63 | chip->has_midi = TRUE; | |
| 19b50063 | 64 | chip->dsp_code_to_load = FW_ECHO3G_DSP; |
| dd7b254d GP |
65 | |
| 66 | /* Load the DSP code and the ASIC on the PCI card and get | |
| 67 | what type of external box is attached */ | |
| 68 | err = load_firmware(chip); | |
| 69 | ||
| 70 | if (err < 0) { | |
| 71 | return err; | |
| 72 | } else if (err == E3G_GINA3G_BOX_TYPE) { | |
| 73 | chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL | | |
| 74 | ECHO_CLOCK_BIT_SPDIF | | |
| 75 | ECHO_CLOCK_BIT_ADAT; | |
| 76 | chip->card_name = "Gina3G"; | |
| 77 | chip->px_digital_out = chip->bx_digital_out = 6; | |
| 78 | chip->px_analog_in = chip->bx_analog_in = 14; | |
| 79 | chip->px_digital_in = chip->bx_digital_in = 16; | |
| 80 | chip->px_num = chip->bx_num = 24; | |
| 81 | chip->has_phantom_power = TRUE; | |
| 82 | chip->hasnt_input_nominal_level = TRUE; | |
| 83 | } else if (err == E3G_LAYLA3G_BOX_TYPE) { | |
| 84 | chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL | | |
| 85 | ECHO_CLOCK_BIT_SPDIF | | |
| 86 | ECHO_CLOCK_BIT_ADAT | | |
| 87 | ECHO_CLOCK_BIT_WORD; | |
| 88 | chip->card_name = "Layla3G"; | |
| 89 | chip->px_digital_out = chip->bx_digital_out = 8; | |
| 90 | chip->px_analog_in = chip->bx_analog_in = 16; | |
| 91 | chip->px_digital_in = chip->bx_digital_in = 24; | |
| 92 | chip->px_num = chip->bx_num = 32; | |
| 93 | } else { | |
| 94 | return -ENODEV; | |
| 95 | } | |
| 96 | ||
| 97 | chip->digital_modes = ECHOCAPS_HAS_DIGITAL_MODE_SPDIF_RCA | | |
| 98 | ECHOCAPS_HAS_DIGITAL_MODE_SPDIF_OPTICAL | | |
| 99 | ECHOCAPS_HAS_DIGITAL_MODE_ADAT; | |
| 100 | chip->digital_mode = DIGITAL_MODE_SPDIF_RCA; | |
| 101 | chip->professional_spdif = FALSE; | |
| 102 | chip->non_audio_spdif = FALSE; | |
| 103 | chip->bad_board = FALSE; | |
| 104 | ||
| 105 | if ((err = init_line_levels(chip)) < 0) | |
| 106 | return err; | |
| 107 | err = set_digital_mode(chip, DIGITAL_MODE_SPDIF_RCA); | |
| da3cec35 TI |
108 | if (err < 0) |
| 109 | return err; | |
| dd7b254d | 110 | err = set_phantom_power(chip, 0); |
| da3cec35 TI |
111 | if (err < 0) |
| 112 | return err; | |
| dd7b254d GP |
113 | err = set_professional_spdif(chip, TRUE); |
| 114 | ||
| 115 | DE_INIT(("init_hw done\n")); | |
| 116 | return err; | |
| 117 | } | |
| 118 | ||
| 119 | ||
| 120 | ||
| 121 | static int set_phantom_power(struct echoaudio *chip, char on) | |
| 122 | { | |
| 123 | u32 control_reg = le32_to_cpu(chip->comm_page->control_register); | |
| 124 | ||
| 125 | if (on) | |
| 126 | control_reg |= E3G_PHANTOM_POWER; | |
| 127 | else | |
| 128 | control_reg &= ~E3G_PHANTOM_POWER; | |
| 129 | ||
| 130 | chip->phantom_power = on; | |
| 131 | return write_control_reg(chip, control_reg, | |
| 132 | le32_to_cpu(chip->comm_page->e3g_frq_register), | |
| 133 | 0); | |
| 134 | } |