1 // SPDX-License-Identifier: GPL-2.0-only 2 /**************************************************************************** 3 4 Copyright Echo Digital Audio Corporation (c) 1998 - 2004 5 All rights reserved 6 www.echoaudio.com 7 8 This file is part of Echo Digital Audio's generic driver library. 9 ************************************************************************* 10 11 Translation from C++ and adaptation for use in ALSA-Driver 12 were made by Giuliano Pochini <pochini@shiny.it> 13 14 ****************************************************************************/ 15 16 static int load_asic(struct echoaudio *chip); 17 static int dsp_set_digital_mode(struct echoaudio *chip, u8 mode); 18 static int set_digital_mode(struct echoaudio *chip, u8 mode); 19 static int check_asic_status(struct echoaudio *chip); 20 static int set_sample_rate(struct echoaudio *chip, u32 rate); 21 static int set_input_clock(struct echoaudio *chip, u16 clock); 22 static int set_professional_spdif(struct echoaudio *chip, char prof); 23 static int set_phantom_power(struct echoaudio *chip, char on); 24 static int write_control_reg(struct echoaudio *chip, u32 ctl, u32 frq, 25 char force); 26 27 #include <linux/interrupt.h> 28 29 static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) 30 { 31 int err; 32 33 local_irq_enable(); 34 if (snd_BUG_ON((subdevice_id & 0xfff0) != ECHO3G)) 35 return -ENODEV; 36 37 err = init_dsp_comm_page(chip); 38 if (err) { 39 dev_err(chip->card->dev, 40 "init_hw - could not initialize DSP comm page\n"); 41 return err; 42 } 43 44 chip->comm_page->e3g_frq_register = 45 cpu_to_le32((E3G_MAGIC_NUMBER / 48000) - 2); 46 chip->device_id = device_id; 47 chip->subdevice_id = subdevice_id; 48 chip->bad_board = true; 49 chip->has_midi = true; 50 chip->dsp_code_to_load = FW_ECHO3G_DSP; 51 52 /* Load the DSP code and the ASIC on the PCI card and get 53 what type of external box is attached */ 54 err = load_firmware(chip); 55 56 if (err < 0) { 57 return err; 58 } else if (err == E3G_GINA3G_BOX_TYPE) { 59 chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL | 60 ECHO_CLOCK_BIT_SPDIF | 61 ECHO_CLOCK_BIT_ADAT; 62 chip->card_name = "Gina3G"; 63 chip->px_digital_out = chip->bx_digital_out = 6; 64 chip->px_analog_in = chip->bx_analog_in = 14; 65 chip->px_digital_in = chip->bx_digital_in = 16; 66 chip->px_num = chip->bx_num = 24; 67 chip->has_phantom_power = true; 68 chip->hasnt_input_nominal_level = true; 69 } else if (err == E3G_LAYLA3G_BOX_TYPE) { 70 chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL | 71 ECHO_CLOCK_BIT_SPDIF | 72 ECHO_CLOCK_BIT_ADAT | 73 ECHO_CLOCK_BIT_WORD; 74 chip->card_name = "Layla3G"; 75 chip->px_digital_out = chip->bx_digital_out = 8; 76 chip->px_analog_in = chip->bx_analog_in = 16; 77 chip->px_digital_in = chip->bx_digital_in = 24; 78 chip->px_num = chip->bx_num = 32; 79 } else { 80 return -ENODEV; 81 } 82 83 chip->digital_modes = ECHOCAPS_HAS_DIGITAL_MODE_SPDIF_RCA | 84 ECHOCAPS_HAS_DIGITAL_MODE_SPDIF_OPTICAL | 85 ECHOCAPS_HAS_DIGITAL_MODE_ADAT; 86 87 return err; 88 } 89 90 91 92 static int set_mixer_defaults(struct echoaudio *chip) 93 { 94 chip->digital_mode = DIGITAL_MODE_SPDIF_RCA; 95 chip->professional_spdif = false; 96 chip->non_audio_spdif = false; 97 chip->bad_board = false; 98 chip->phantom_power = false; 99 return init_line_levels(chip); 100 } 101 102 103 104 static int set_phantom_power(struct echoaudio *chip, char on) 105 { 106 u32 control_reg = le32_to_cpu(chip->comm_page->control_register); 107 108 if (on) 109 control_reg |= E3G_PHANTOM_POWER; 110 else 111 control_reg &= ~E3G_PHANTOM_POWER; 112 113 chip->phantom_power = on; 114 return write_control_reg(chip, control_reg, 115 le32_to_cpu(chip->comm_page->e3g_frq_register), 116 0); 117 } 118