** Warning: Cannot open xref database.
1 /*
2 Copyright (C) 2002 Anthony Van Groningen
3
4 Parts based on source code taken from the
5 "Env24 chipset (ICE1712) control utility" that is
6
7 Copyright (C) 2000 by Jaroslav Kysela <perex@suse.cz>
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
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., 675 Mass Ave, Cambridge, MA 02139, USA.
22 */
23
24 #include <jack/hardware.h>
25 #include "alsa_driver.h"
26 #include "ice1712.h"
27 #include <jack/internal.h>
28
29 static int
30 ice1712_hw_monitor_toggle(jack_hardware_t *hw, int idx, int onoff)
31
32 {
33 ice1712_t *h = (ice1712_t *) hw->private;
34 snd_ctl_elem_value_t *val;
35 int err;
36
37 snd_ctl_elem_value_alloca (&val);
38 snd_ctl_elem_value_set_interface (val, SND_CTL_ELEM_IFACE_MIXER);
39 if (idx >= 8) {
40 snd_ctl_elem_value_set_name (val, SPDIF_PLAYBACK_ROUTE_NAME);
41 snd_ctl_elem_value_set_index (val, idx - 8);
42 } else {
43 snd_ctl_elem_value_set_name (val, ANALOG_PLAYBACK_ROUTE_NAME);
44 snd_ctl_elem_value_set_index (val, idx);
45 }
46 if (onoff) {
47 snd_ctl_elem_value_set_enumerated (val, 0, idx + 1);
48 } else {
49 snd_ctl_elem_value_set_enumerated (val, 0, 0);
50 }
51 if ((err = snd_ctl_elem_write (h->driver->ctl_handle, val)) != 0) {
52 jack_error ("ALSA/ICE1712: (%d) cannot set input monitoring (%s)",
53 idx,snd_strerror (err));
54 return -1;
55 }
56
57 return 0;
58 }
59
60 static int
61 ice1712_set_input_monitor_mask (jack_hardware_t *hw, unsigned long mask)
62
63 {
64 int idx;
65 ice1712_t *h = (ice1712_t *) hw->private;
66
67 for (idx = 0; idx < 10; idx++) {
68 if (h->active_channels & (1<<idx)) {
69 ice1712_hw_monitor_toggle (hw, idx, mask & (1<<idx) ? 1 : 0);
70 }
71 }
72 hw->input_monitor_mask = mask;
73
74 return 0;
75 }
76
77 static int
78 ice1712_change_sample_clock (jack_hardware_t *hw, SampleClockMode mode)
79
80 {
81 return -1;
82 }
83
84 static void
85 ice1712_release (jack_hardware_t *hw)
86
87 {
88 return;
89 }
90
91
92
93
94 jack_hardware_t *
95 jack_alsa_ice1712_hw_new (alsa_driver_t *driver)
96
97 {
98 jack_hardware_t *hw;
99 ice1712_t *h;
100 snd_ctl_elem_value_t *val;
101 int err;
102
103 hw = (jack_hardware_t *) malloc (sizeof (jack_hardware_t));
104
105 hw->capabilities = Cap_HardwareMonitoring;
106 hw->input_monitor_mask = 0;
107 hw->private = 0;
108
109 hw->set_input_monitor_mask = ice1712_set_input_monitor_mask;
110 hw->change_sample_clock = ice1712_change_sample_clock;
111 hw->release = ice1712_release;
112
113 h = (ice1712_t *) malloc (sizeof (ice1712_t));
114
115 h->driver = driver;
116
117 /* Get the EEPROM (adopted from envy24control) */
118 h->eeprom = (ice1712_eeprom_t *) malloc (sizeof (ice1712_eeprom_t));
119 snd_ctl_elem_value_alloca (&val);
120 snd_ctl_elem_value_set_interface (val, SND_CTL_ELEM_IFACE_CARD);
121 snd_ctl_elem_value_set_name (val, "ICE1712 EEPROM");
122 if ((err = snd_ctl_elem_read (driver->ctl_handle, val)) < 0) {
123 jack_error( "ALSA/ICE1712: Unable to read EEPROM contents (%s)\n", snd_strerror (err));
124 /* Recover? */
125 }
126 memcpy(h->eeprom, snd_ctl_elem_value_get_bytes(val), 32);
127
128 /* determine number of pro ADC's. We're asumming that there is at least one stereo pair.
129 Should check this first, but how? */
130 switch((h->eeprom->codec & 0xCU) >> 2) {
131 case 0:
132 h->active_channels = 0x3U;
133 break;
134 case 1:
135 h->active_channels = 0xfU;
136 break;
137 case 2:
138 h->active_channels = 0x3fU;
139 break;
140 case 3:
141 h->active_channels = 0xffU;
142 break;
143 }
144 /* check for SPDIF In's */
145 if (h->eeprom->spdif & 0x1U) {
146 h->active_channels |= 0x300U;
147 }
148
149 hw->private = h;
150
151 return hw;
152 }
153
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