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 42 #include <linux/interrupt.h> 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")); 50 snd_assert((subdevice_id & 0xfff0) == ECHO3G, return -ENODEV); 51 52 if ((err = init_dsp_comm_page(chip))) { 53 DE_INIT(("init_hw - could not initialize DSP comm page\n")); 54 return err; 55 } 56 57 chip->comm_page->e3g_frq_register = 58 __constant_cpu_to_le32((E3G_MAGIC_NUMBER / 48000) - 2); 59 chip->device_id = device_id; 60 chip->subdevice_id = subdevice_id; 61 chip->bad_board = TRUE; 62 chip->has_midi = TRUE; 63 chip->dsp_code_to_load = &card_fw[FW_ECHO3G_DSP]; 64 65 /* Load the DSP code and the ASIC on the PCI card and get 66 what type of external box is attached */ 67 err = load_firmware(chip); 68 69 if (err < 0) { 70 return err; 71 } else if (err == E3G_GINA3G_BOX_TYPE) { 72 chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL | 73 ECHO_CLOCK_BIT_SPDIF | 74 ECHO_CLOCK_BIT_ADAT; 75 chip->card_name = "Gina3G"; 76 chip->px_digital_out = chip->bx_digital_out = 6; 77 chip->px_analog_in = chip->bx_analog_in = 14; 78 chip->px_digital_in = chip->bx_digital_in = 16; 79 chip->px_num = chip->bx_num = 24; 80 chip->has_phantom_power = TRUE; 81 chip->hasnt_input_nominal_level = TRUE; 82 } else if (err == E3G_LAYLA3G_BOX_TYPE) { 83 chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL | 84 ECHO_CLOCK_BIT_SPDIF | 85 ECHO_CLOCK_BIT_ADAT | 86 ECHO_CLOCK_BIT_WORD; 87 chip->card_name = "Layla3G"; 88 chip->px_digital_out = chip->bx_digital_out = 8; 89 chip->px_analog_in = chip->bx_analog_in = 16; 90 chip->px_digital_in = chip->bx_digital_in = 24; 91 chip->px_num = chip->bx_num = 32; 92 } else { 93 return -ENODEV; 94 } 95 96 chip->digital_modes = ECHOCAPS_HAS_DIGITAL_MODE_SPDIF_RCA | 97 ECHOCAPS_HAS_DIGITAL_MODE_SPDIF_OPTICAL | 98 ECHOCAPS_HAS_DIGITAL_MODE_ADAT; 99 chip->digital_mode = DIGITAL_MODE_SPDIF_RCA; 100 chip->professional_spdif = FALSE; 101 chip->non_audio_spdif = FALSE; 102 chip->bad_board = FALSE; 103 104 if ((err = init_line_levels(chip)) < 0) 105 return err; 106 err = set_digital_mode(chip, DIGITAL_MODE_SPDIF_RCA); 107 snd_assert(err >= 0, return err); 108 err = set_phantom_power(chip, 0); 109 snd_assert(err >= 0, return err); 110 err = set_professional_spdif(chip, TRUE); 111 112 DE_INIT(("init_hw done\n")); 113 return err; 114 } 115 116 117 118 static int set_phantom_power(struct echoaudio *chip, char on) 119 { 120 u32 control_reg = le32_to_cpu(chip->comm_page->control_register); 121 122 if (on) 123 control_reg |= E3G_PHANTOM_POWER; 124 else 125 control_reg &= ~E3G_PHANTOM_POWER; 126 127 chip->phantom_power = on; 128 return write_control_reg(chip, control_reg, 129 le32_to_cpu(chip->comm_page->e3g_frq_register), 130 0); 131 } 132