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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 | } |