2 * ALSA driver for ICEnsemble VT1724 (Envy24HT)
4 * Lowlevel functions for ESI Juli@ cards
6 * Copyright (c) 2004 Jaroslav Kysela <perex@perex.cz>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include <linux/delay.h>
26 #include <linux/interrupt.h>
27 #include <linux/init.h>
28 #include <linux/slab.h>
29 #include <sound/core.h>
36 * chip addresses on I2C bus
38 #define AK4114_ADDR 0x20 /* S/PDIF receiver */
39 #define AK4358_ADDR 0x22 /* DAC */
44 #define GPIO_FREQ_MASK (3<<0)
45 #define GPIO_FREQ_32KHZ (0<<0)
46 #define GPIO_FREQ_44KHZ (1<<0)
47 #define GPIO_FREQ_48KHZ (2<<0)
48 #define GPIO_MULTI_MASK (3<<2)
49 #define GPIO_MULTI_4X (0<<2)
50 #define GPIO_MULTI_2X (1<<2)
51 #define GPIO_MULTI_1X (2<<2) /* also external */
52 #define GPIO_MULTI_HALF (3<<2)
53 #define GPIO_INTERNAL_CLOCK (1<<4)
54 #define GPIO_ANALOG_PRESENT (1<<5) /* RO only: 0 = present */
55 #define GPIO_RXMCLK_SEL (1<<7) /* must be 0 */
56 #define GPIO_AK5385A_CKS0 (1<<8)
57 #define GPIO_AK5385A_DFS0 (1<<9) /* swapped with DFS1 according doc? */
58 #define GPIO_AK5385A_DFS1 (1<<10)
59 #define GPIO_DIGOUT_MONITOR (1<<11) /* 1 = active */
60 #define GPIO_DIGIN_MONITOR (1<<12) /* 1 = active */
61 #define GPIO_ANAIN_MONITOR (1<<13) /* 1 = active */
62 #define GPIO_AK5385A_MCLK (1<<14) /* must be 0 */
63 #define GPIO_MUTE_CONTROL (1<<15) /* 0 = off, 1 = on */
65 static void juli_ak4114_write(void *private_data
, unsigned char reg
, unsigned char val
)
67 snd_vt1724_write_i2c((struct snd_ice1712
*)private_data
, AK4114_ADDR
, reg
, val
);
70 static unsigned char juli_ak4114_read(void *private_data
, unsigned char reg
)
72 return snd_vt1724_read_i2c((struct snd_ice1712
*)private_data
, AK4114_ADDR
, reg
);
79 static void juli_akm_lock(struct snd_akm4xxx
*ak
, int chip
)
83 static void juli_akm_unlock(struct snd_akm4xxx
*ak
, int chip
)
87 static void juli_akm_write(struct snd_akm4xxx
*ak
, int chip
,
88 unsigned char addr
, unsigned char data
)
90 struct snd_ice1712
*ice
= ak
->private_data
[0];
92 snd_assert(chip
== 0, return);
93 snd_vt1724_write_i2c(ice
, AK4358_ADDR
, addr
, data
);
97 * change the rate of envy24HT, AK4358
99 static void juli_akm_set_rate_val(struct snd_akm4xxx
*ak
, unsigned int rate
)
101 unsigned char old
, tmp
, dfs
;
103 if (rate
== 0) /* no hint - S/PDIF input is master, simply return */
106 /* adjust DFS on codecs */
109 else if (rate
> 48000)
114 tmp
= snd_akm4xxx_get(ak
, 0, 2);
115 old
= (tmp
>> 4) & 0x03;
119 snd_akm4xxx_reset(ak
, 1);
120 tmp
= snd_akm4xxx_get(ak
, 0, 2);
123 snd_akm4xxx_set(ak
, 0, 2, tmp
);
124 snd_akm4xxx_reset(ak
, 0);
127 static struct snd_akm4xxx akm_juli_dac __devinitdata
= {
131 .lock
= juli_akm_lock
,
132 .unlock
= juli_akm_unlock
,
133 .write
= juli_akm_write
,
134 .set_rate_val
= juli_akm_set_rate_val
138 static int __devinit
juli_add_controls(struct snd_ice1712
*ice
)
141 err
= snd_ice1712_akm4xxx_build_controls(ice
);
144 /* only capture SPDIF over AK4114 */
145 err
= snd_ak4114_build(ice
->spec
.juli
.ak4114
, NULL
,
146 ice
->pcm_pro
->streams
[SNDRV_PCM_STREAM_CAPTURE
].substream
);
153 * initialize the chip
155 static int __devinit
juli_init(struct snd_ice1712
*ice
)
157 static const unsigned char ak4114_init_vals
[] = {
158 /* AK4117_REG_PWRDN */ AK4114_RST
| AK4114_PWN
| AK4114_OCKS0
| AK4114_OCKS1
,
159 /* AK4114_REQ_FORMAT */ AK4114_DIF_I24I2S
,
160 /* AK4114_REG_IO0 */ AK4114_TX1E
,
161 /* AK4114_REG_IO1 */ AK4114_EFH_1024
| AK4114_DIT
| AK4114_IPS(1),
162 /* AK4114_REG_INT0_MASK */ 0,
163 /* AK4114_REG_INT1_MASK */ 0
165 static const unsigned char ak4114_init_txcsb
[] = {
166 0x41, 0x02, 0x2c, 0x00, 0x00
169 struct snd_akm4xxx
*ak
;
171 err
= snd_ak4114_create(ice
->card
,
174 ak4114_init_vals
, ak4114_init_txcsb
,
175 ice
, &ice
->spec
.juli
.ak4114
);
180 /* it seems that the analog doughter board detection does not work
181 reliably, so force the analog flag; it should be very rare
182 to use Juli@ without the analog doughter board */
183 ice
->spec
.juli
.analog
= (ice
->gpio
.get_data(ice
) & GPIO_ANALOG_PRESENT
) ? 0 : 1;
185 ice
->spec
.juli
.analog
= 1;
188 if (ice
->spec
.juli
.analog
) {
189 printk(KERN_INFO
"juli@: analog I/O detected\n");
190 ice
->num_total_dacs
= 2;
191 ice
->num_total_adcs
= 2;
193 ak
= ice
->akm
= kzalloc(sizeof(struct snd_akm4xxx
), GFP_KERNEL
);
197 if ((err
= snd_ice1712_akm4xxx_init(ak
, &akm_juli_dac
, NULL
, ice
)) < 0)
206 * Juli@ boards don't provide the EEPROM data except for the vendor IDs.
207 * hence the driver needs to sets up it properly.
210 static unsigned char juli_eeprom
[] __devinitdata
= {
211 [ICE_EEP2_SYSCONF
] = 0x20, /* clock 512, mpu401, 1xADC, 1xDACs */
212 [ICE_EEP2_ACLINK
] = 0x80, /* I2S */
213 [ICE_EEP2_I2S
] = 0xf8, /* vol, 96k, 24bit, 192k */
214 [ICE_EEP2_SPDIF
] = 0xc3, /* out-en, out-int, spdif-in */
215 [ICE_EEP2_GPIO_DIR
] = 0x9f,
216 [ICE_EEP2_GPIO_DIR1
] = 0xff,
217 [ICE_EEP2_GPIO_DIR2
] = 0x7f,
218 [ICE_EEP2_GPIO_MASK
] = 0x9f,
219 [ICE_EEP2_GPIO_MASK1
] = 0xff,
220 [ICE_EEP2_GPIO_MASK2
] = 0x7f,
221 [ICE_EEP2_GPIO_STATE
] = 0x16, /* internal clock, multiple 1x, 48kHz */
222 [ICE_EEP2_GPIO_STATE1
] = 0x80, /* mute */
223 [ICE_EEP2_GPIO_STATE2
] = 0x00,
227 struct snd_ice1712_card_info snd_vt1724_juli_cards
[] __devinitdata
= {
229 .subvendor
= VT1724_SUBDEVICE_JULI
,
232 .chip_init
= juli_init
,
233 .build_controls
= juli_add_controls
,
234 .eeprom_size
= sizeof(juli_eeprom
),
235 .eeprom_data
= juli_eeprom
,