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 | if (snd_BUG_ON((subdevice_id & 0xfff0) != ECHO3G)) |
50 | return -ENODEV; |
51 | |
52 | err = init_dsp_comm_page(chip); |
53 | if (err) { |
54 | dev_err(chip->card->dev, |
55 | "init_hw - could not initialize DSP comm page\n" ); |
56 | return err; |
57 | } |
58 | |
59 | chip->comm_page->e3g_frq_register = |
60 | cpu_to_le32((E3G_MAGIC_NUMBER / 48000) - 2); |
61 | chip->device_id = device_id; |
62 | chip->subdevice_id = subdevice_id; |
63 | chip->bad_board = true; |
64 | chip->has_midi = true; |
65 | chip->dsp_code_to_load = FW_ECHO3G_DSP; |
66 | |
67 | /* Load the DSP code and the ASIC on the PCI card and get |
68 | what type of external box is attached */ |
69 | err = load_firmware(chip); |
70 | |
71 | if (err < 0) { |
72 | return err; |
73 | } else if (err == E3G_GINA3G_BOX_TYPE) { |
74 | chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL | |
75 | ECHO_CLOCK_BIT_SPDIF | |
76 | ECHO_CLOCK_BIT_ADAT; |
77 | chip->card_name = "Gina3G" ; |
78 | chip->px_digital_out = chip->bx_digital_out = 6; |
79 | chip->px_analog_in = chip->bx_analog_in = 14; |
80 | chip->px_digital_in = chip->bx_digital_in = 16; |
81 | chip->px_num = chip->bx_num = 24; |
82 | chip->has_phantom_power = true; |
83 | chip->hasnt_input_nominal_level = true; |
84 | } else if (err == E3G_LAYLA3G_BOX_TYPE) { |
85 | chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL | |
86 | ECHO_CLOCK_BIT_SPDIF | |
87 | ECHO_CLOCK_BIT_ADAT | |
88 | ECHO_CLOCK_BIT_WORD; |
89 | chip->card_name = "Layla3G" ; |
90 | chip->px_digital_out = chip->bx_digital_out = 8; |
91 | chip->px_analog_in = chip->bx_analog_in = 16; |
92 | chip->px_digital_in = chip->bx_digital_in = 24; |
93 | chip->px_num = chip->bx_num = 32; |
94 | } else { |
95 | return -ENODEV; |
96 | } |
97 | |
98 | chip->digital_modes = ECHOCAPS_HAS_DIGITAL_MODE_SPDIF_RCA | |
99 | ECHOCAPS_HAS_DIGITAL_MODE_SPDIF_OPTICAL | |
100 | ECHOCAPS_HAS_DIGITAL_MODE_ADAT; |
101 | |
102 | return err; |
103 | } |
104 | |
105 | |
106 | |
107 | static int set_mixer_defaults(struct echoaudio *chip) |
108 | { |
109 | chip->digital_mode = DIGITAL_MODE_SPDIF_RCA; |
110 | chip->professional_spdif = false; |
111 | chip->non_audio_spdif = false; |
112 | chip->bad_board = false; |
113 | chip->phantom_power = false; |
114 | return init_line_levels(chip); |
115 | } |
116 | |
117 | |
118 | |
119 | static int set_phantom_power(struct echoaudio *chip, char on) |
120 | { |
121 | u32 control_reg = le32_to_cpu(chip->comm_page->control_register); |
122 | |
123 | if (on) |
124 | control_reg |= E3G_PHANTOM_POWER; |
125 | else |
126 | control_reg &= ~E3G_PHANTOM_POWER; |
127 | |
128 | chip->phantom_power = on; |
129 | return write_control_reg(chip, ctl: control_reg, |
130 | le32_to_cpu(chip->comm_page->e3g_frq_register), |
131 | force: 0); |
132 | } |
133 | |