Linux 2.6.24.5
[linux/fpc-iii.git] / sound / pci / ice1712 / juli.c
blob1fbe3ef8e60a5f370ecafa2ce46af18809e467e9
1 /*
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
22 */
24 #include <sound/driver.h>
25 #include <asm/io.h>
26 #include <linux/delay.h>
27 #include <linux/interrupt.h>
28 #include <linux/init.h>
29 #include <linux/slab.h>
30 #include <sound/core.h>
32 #include "ice1712.h"
33 #include "envy24ht.h"
34 #include "juli.h"
37 * chip addresses on I2C bus
39 #define AK4114_ADDR 0x20 /* S/PDIF receiver */
40 #define AK4358_ADDR 0x22 /* DAC */
43 * GPIO pins
45 #define GPIO_FREQ_MASK (3<<0)
46 #define GPIO_FREQ_32KHZ (0<<0)
47 #define GPIO_FREQ_44KHZ (1<<0)
48 #define GPIO_FREQ_48KHZ (2<<0)
49 #define GPIO_MULTI_MASK (3<<2)
50 #define GPIO_MULTI_4X (0<<2)
51 #define GPIO_MULTI_2X (1<<2)
52 #define GPIO_MULTI_1X (2<<2) /* also external */
53 #define GPIO_MULTI_HALF (3<<2)
54 #define GPIO_INTERNAL_CLOCK (1<<4)
55 #define GPIO_ANALOG_PRESENT (1<<5) /* RO only: 0 = present */
56 #define GPIO_RXMCLK_SEL (1<<7) /* must be 0 */
57 #define GPIO_AK5385A_CKS0 (1<<8)
58 #define GPIO_AK5385A_DFS0 (1<<9) /* swapped with DFS1 according doc? */
59 #define GPIO_AK5385A_DFS1 (1<<10)
60 #define GPIO_DIGOUT_MONITOR (1<<11) /* 1 = active */
61 #define GPIO_DIGIN_MONITOR (1<<12) /* 1 = active */
62 #define GPIO_ANAIN_MONITOR (1<<13) /* 1 = active */
63 #define GPIO_AK5385A_MCLK (1<<14) /* must be 0 */
64 #define GPIO_MUTE_CONTROL (1<<15) /* 0 = off, 1 = on */
66 static void juli_ak4114_write(void *private_data, unsigned char reg, unsigned char val)
68 snd_vt1724_write_i2c((struct snd_ice1712 *)private_data, AK4114_ADDR, reg, val);
71 static unsigned char juli_ak4114_read(void *private_data, unsigned char reg)
73 return snd_vt1724_read_i2c((struct snd_ice1712 *)private_data, AK4114_ADDR, reg);
77 * AK4358 section
80 static void juli_akm_lock(struct snd_akm4xxx *ak, int chip)
84 static void juli_akm_unlock(struct snd_akm4xxx *ak, int chip)
88 static void juli_akm_write(struct snd_akm4xxx *ak, int chip,
89 unsigned char addr, unsigned char data)
91 struct snd_ice1712 *ice = ak->private_data[0];
93 snd_assert(chip == 0, return);
94 snd_vt1724_write_i2c(ice, AK4358_ADDR, addr, data);
98 * change the rate of envy24HT, AK4358
100 static void juli_akm_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
102 unsigned char old, tmp, dfs;
104 if (rate == 0) /* no hint - S/PDIF input is master, simply return */
105 return;
107 /* adjust DFS on codecs */
108 if (rate > 96000)
109 dfs = 2;
110 else if (rate > 48000)
111 dfs = 1;
112 else
113 dfs = 0;
115 tmp = snd_akm4xxx_get(ak, 0, 2);
116 old = (tmp >> 4) & 0x03;
117 if (old == dfs)
118 return;
119 /* reset DFS */
120 snd_akm4xxx_reset(ak, 1);
121 tmp = snd_akm4xxx_get(ak, 0, 2);
122 tmp &= ~(0x03 << 4);
123 tmp |= dfs << 4;
124 snd_akm4xxx_set(ak, 0, 2, tmp);
125 snd_akm4xxx_reset(ak, 0);
128 static struct snd_akm4xxx akm_juli_dac __devinitdata = {
129 .type = SND_AK4358,
130 .num_dacs = 2,
131 .ops = {
132 .lock = juli_akm_lock,
133 .unlock = juli_akm_unlock,
134 .write = juli_akm_write,
135 .set_rate_val = juli_akm_set_rate_val
139 static int __devinit juli_add_controls(struct snd_ice1712 *ice)
141 int err;
142 err = snd_ice1712_akm4xxx_build_controls(ice);
143 if (err < 0)
144 return err;
145 /* only capture SPDIF over AK4114 */
146 err = snd_ak4114_build(ice->spec.juli.ak4114, NULL,
147 ice->pcm_pro->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
148 if (err < 0)
149 return err;
150 return 0;
154 * initialize the chip
156 static int __devinit juli_init(struct snd_ice1712 *ice)
158 static const unsigned char ak4114_init_vals[] = {
159 /* AK4117_REG_PWRDN */ AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1,
160 /* AK4114_REQ_FORMAT */ AK4114_DIF_I24I2S,
161 /* AK4114_REG_IO0 */ AK4114_TX1E,
162 /* AK4114_REG_IO1 */ AK4114_EFH_1024 | AK4114_DIT | AK4114_IPS(1),
163 /* AK4114_REG_INT0_MASK */ 0,
164 /* AK4114_REG_INT1_MASK */ 0
166 static const unsigned char ak4114_init_txcsb[] = {
167 0x41, 0x02, 0x2c, 0x00, 0x00
169 int err;
170 struct snd_akm4xxx *ak;
172 err = snd_ak4114_create(ice->card,
173 juli_ak4114_read,
174 juli_ak4114_write,
175 ak4114_init_vals, ak4114_init_txcsb,
176 ice, &ice->spec.juli.ak4114);
177 if (err < 0)
178 return err;
180 #if 0
181 /* it seems that the analog doughter board detection does not work
182 reliably, so force the analog flag; it should be very rare
183 to use Juli@ without the analog doughter board */
184 ice->spec.juli.analog = (ice->gpio.get_data(ice) & GPIO_ANALOG_PRESENT) ? 0 : 1;
185 #else
186 ice->spec.juli.analog = 1;
187 #endif
189 if (ice->spec.juli.analog) {
190 printk(KERN_INFO "juli@: analog I/O detected\n");
191 ice->num_total_dacs = 2;
192 ice->num_total_adcs = 2;
194 ak = ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
195 if (! ak)
196 return -ENOMEM;
197 ice->akm_codecs = 1;
198 if ((err = snd_ice1712_akm4xxx_init(ak, &akm_juli_dac, NULL, ice)) < 0)
199 return err;
202 return 0;
207 * Juli@ boards don't provide the EEPROM data except for the vendor IDs.
208 * hence the driver needs to sets up it properly.
211 static unsigned char juli_eeprom[] __devinitdata = {
212 [ICE_EEP2_SYSCONF] = 0x20, /* clock 512, mpu401, 1xADC, 1xDACs */
213 [ICE_EEP2_ACLINK] = 0x80, /* I2S */
214 [ICE_EEP2_I2S] = 0xf8, /* vol, 96k, 24bit, 192k */
215 [ICE_EEP2_SPDIF] = 0xc3, /* out-en, out-int, spdif-in */
216 [ICE_EEP2_GPIO_DIR] = 0x9f,
217 [ICE_EEP2_GPIO_DIR1] = 0xff,
218 [ICE_EEP2_GPIO_DIR2] = 0x7f,
219 [ICE_EEP2_GPIO_MASK] = 0x9f,
220 [ICE_EEP2_GPIO_MASK1] = 0xff,
221 [ICE_EEP2_GPIO_MASK2] = 0x7f,
222 [ICE_EEP2_GPIO_STATE] = 0x16, /* internal clock, multiple 1x, 48kHz */
223 [ICE_EEP2_GPIO_STATE1] = 0x80, /* mute */
224 [ICE_EEP2_GPIO_STATE2] = 0x00,
227 /* entry point */
228 struct snd_ice1712_card_info snd_vt1724_juli_cards[] __devinitdata = {
230 .subvendor = VT1724_SUBDEVICE_JULI,
231 .name = "ESI Juli@",
232 .model = "juli",
233 .chip_init = juli_init,
234 .build_controls = juli_add_controls,
235 .eeprom_size = sizeof(juli_eeprom),
236 .eeprom_data = juli_eeprom,
238 { } /* terminator */