1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
/*
* ALSA driver for ICEnsemble VT1724 (Envy24HT)
*
* Lowlevel functions for ESI Juli@ cards
*
* Copyright (c) 2004 Jaroslav Kysela <perex@suse.cz>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <sound/driver.h>
#include <asm/io.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <sound/core.h>
#include "ice1712.h"
#include "envy24ht.h"
#include "juli.h"
/*
* chip addresses on I2C bus
*/
#define AK4114_ADDR 0x20 /* S/PDIF receiver */
#define AK4358_ADDR 0x22 /* DAC */
/*
* GPIO pins
*/
#define GPIO_FREQ_MASK (3<<0)
#define GPIO_FREQ_32KHZ (0<<0)
#define GPIO_FREQ_44KHZ (1<<0)
#define GPIO_FREQ_48KHZ (2<<0)
#define GPIO_MULTI_MASK (3<<2)
#define GPIO_MULTI_4X (0<<2)
#define GPIO_MULTI_2X (1<<2)
#define GPIO_MULTI_1X (2<<2) /* also external */
#define GPIO_MULTI_HALF (3<<2)
#define GPIO_INTERNAL_CLOCK (1<<4)
#define GPIO_ANALOG_PRESENT (1<<5) /* RO only: 0 = present */
#define GPIO_RXMCLK_SEL (1<<7) /* must be 0 */
#define GPIO_AK5385A_CKS0 (1<<8)
#define GPIO_AK5385A_DFS0 (1<<9) /* swapped with DFS1 according doc? */
#define GPIO_AK5385A_DFS1 (1<<10)
#define GPIO_DIGOUT_MONITOR (1<<11) /* 1 = active */
#define GPIO_DIGIN_MONITOR (1<<12) /* 1 = active */
#define GPIO_ANAIN_MONITOR (1<<13) /* 1 = active */
#define GPIO_AK5385A_MCLK (1<<14) /* must be 0 */
#define GPIO_MUTE_CONTROL (1<<15) /* 0 = off, 1 = on */
static void juli_ak4114_write(void *private_data, unsigned char reg, unsigned char val)
{
snd_vt1724_write_i2c((ice1712_t *)private_data, AK4114_ADDR, reg, val);
}
static unsigned char juli_ak4114_read(void *private_data, unsigned char reg)
{
return snd_vt1724_read_i2c((ice1712_t *)private_data, AK4114_ADDR, reg);
}
/*
* AK4358 section
*/
static void juli_akm_lock(akm4xxx_t *ak, int chip)
{
}
static void juli_akm_unlock(akm4xxx_t *ak, int chip)
{
}
static void juli_akm_write(akm4xxx_t *ak, int chip,
unsigned char addr, unsigned char data)
{
ice1712_t *ice = ak->private_data[0];
snd_assert(chip == 0, return);
snd_vt1724_write_i2c(ice, AK4358_ADDR, addr, data);
}
/*
* change the rate of envy24HT, AK4358
*/
static void juli_akm_set_rate_val(akm4xxx_t *ak, unsigned int rate)
{
unsigned char old, tmp, dfs;
if (rate == 0) /* no hint - S/PDIF input is master, simply return */
return;
/* adjust DFS on codecs */
if (rate > 96000)
dfs = 2;
else if (rate > 48000)
dfs = 1;
else
dfs = 0;
tmp = snd_akm4xxx_get(ak, 0, 2);
old = (tmp >> 4) & 0x03;
if (old == dfs)
return;
/* reset DFS */
snd_akm4xxx_reset(ak, 1);
tmp = snd_akm4xxx_get(ak, 0, 2);
tmp &= ~(0x03 << 4);
tmp |= dfs << 4;
snd_akm4xxx_set(ak, 0, 2, tmp);
snd_akm4xxx_reset(ak, 0);
}
static akm4xxx_t akm_juli_dac __devinitdata = {
.type = SND_AK4358,
.num_dacs = 2,
.ops = {
.lock = juli_akm_lock,
.unlock = juli_akm_unlock,
.write = juli_akm_write,
.set_rate_val = juli_akm_set_rate_val
}
};
static int __devinit juli_add_controls(ice1712_t *ice)
{
return snd_ice1712_akm4xxx_build_controls(ice);
}
/*
* initialize the chip
*/
static int __devinit juli_init(ice1712_t *ice)
{
static unsigned char ak4114_init_vals[] = {
/* AK4117_REG_PWRDN */ AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1,
/* AK4114_REQ_FORMAT */ AK4114_DIF_I24I2S,
/* AK4114_REG_IO0 */ AK4114_TX1E,
/* AK4114_REG_IO1 */ AK4114_EFH_1024 | AK4114_DIT | AK4114_IPS(1),
/* AK4114_REG_INT0_MASK */ 0,
/* AK4114_REG_INT1_MASK */ 0
};
static unsigned char ak4114_init_txcsb[] = {
0x41, 0x02, 0x2c, 0x00, 0x00
};
int err;
akm4xxx_t *ak;
#if 0
for (err = 0; err < 0x20; err++)
juli_ak4114_read(ice, err);
juli_ak4114_write(ice, 0, 0x0f);
juli_ak4114_read(ice, 0);
juli_ak4114_read(ice, 1);
#endif
err = snd_ak4114_create(ice->card,
juli_ak4114_read,
juli_ak4114_write,
ak4114_init_vals, ak4114_init_txcsb,
ice, &ice->spec.juli.ak4114);
if (err < 0)
return err;
ice->spec.juli.analog = ice->gpio.get_data(ice) & GPIO_ANALOG_PRESENT;
if (ice->spec.juli.analog) {
printk(KERN_INFO "juli@: analog I/O detected\n");
ice->num_total_dacs = 2;
ice->num_total_adcs = 2;
ak = ice->akm = kcalloc(1, sizeof(akm4xxx_t), GFP_KERNEL);
if (! ak)
return -ENOMEM;
ice->akm_codecs = 1;
if ((err = snd_ice1712_akm4xxx_init(ak, &akm_juli_dac, NULL, ice)) < 0)
return err;
}
return 0;
}
/*
* Juli@ boards don't provide the EEPROM data except for the vendor IDs.
* hence the driver needs to sets up it properly.
*/
static unsigned char juli_eeprom[] __devinitdata = {
0x20, /* SYSCONF: clock 512, mpu401, 1xADC, 1xDACs */
0x80, /* ACLINK: I2S */
0xf8, /* I2S: vol, 96k, 24bit, 192k */
0xc3, /* SPDIF: out-en, out-int, spdif-in */
0x9f, /* GPIO_DIR */
0xff, /* GPIO_DIR1 */
0x7f, /* GPIO_DIR2 */
0x9f, /* GPIO_MASK */
0xff, /* GPIO_MASK1 */
0x7f, /* GPIO_MASK2 */
0x16, /* GPIO_STATE: internal clock, multiple 1x, 48kHz */
0x80, /* GPIO_STATE1: mute */
0x00, /* GPIO_STATE2 */
};
/* entry point */
struct snd_ice1712_card_info snd_vt1724_juli_cards[] __devinitdata = {
{
.subvendor = VT1724_SUBDEVICE_JULI,
.name = "ESI Juli@",
.model = "juli",
.chip_init = juli_init,
.build_controls = juli_add_controls,
.eeprom_size = sizeof(juli_eeprom),
.eeprom_data = juli_eeprom,
},
{ } /* terminator */
};
|
