11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * ALSA driver for ICEnsemble VT1724 (Envy24HT) 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Lowlevel functions for ESI Juli@ cards 51da177e4SLinus Torvalds * 61da177e4SLinus Torvalds * Copyright (c) 2004 Jaroslav Kysela <perex@suse.cz> 71da177e4SLinus Torvalds * 81da177e4SLinus Torvalds * This program is free software; you can redistribute it and/or modify 91da177e4SLinus Torvalds * it under the terms of the GNU General Public License as published by 101da177e4SLinus Torvalds * the Free Software Foundation; either version 2 of the License, or 111da177e4SLinus Torvalds * (at your option) any later version. 121da177e4SLinus Torvalds * 131da177e4SLinus Torvalds * This program is distributed in the hope that it will be useful, 141da177e4SLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 151da177e4SLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 161da177e4SLinus Torvalds * GNU General Public License for more details. 171da177e4SLinus Torvalds * 181da177e4SLinus Torvalds * You should have received a copy of the GNU General Public License 191da177e4SLinus Torvalds * along with this program; if not, write to the Free Software 201da177e4SLinus Torvalds * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 211da177e4SLinus Torvalds * 221da177e4SLinus Torvalds */ 231da177e4SLinus Torvalds 241da177e4SLinus Torvalds #include <sound/driver.h> 251da177e4SLinus Torvalds #include <asm/io.h> 261da177e4SLinus Torvalds #include <linux/delay.h> 271da177e4SLinus Torvalds #include <linux/interrupt.h> 281da177e4SLinus Torvalds #include <linux/init.h> 291da177e4SLinus Torvalds #include <linux/slab.h> 301da177e4SLinus Torvalds #include <sound/core.h> 311da177e4SLinus Torvalds 321da177e4SLinus Torvalds #include "ice1712.h" 331da177e4SLinus Torvalds #include "envy24ht.h" 341da177e4SLinus Torvalds #include "juli.h" 351da177e4SLinus Torvalds 361da177e4SLinus Torvalds /* 371da177e4SLinus Torvalds * chip addresses on I2C bus 381da177e4SLinus Torvalds */ 391da177e4SLinus Torvalds #define AK4114_ADDR 0x20 /* S/PDIF receiver */ 401da177e4SLinus Torvalds #define AK4358_ADDR 0x22 /* DAC */ 411da177e4SLinus Torvalds 421da177e4SLinus Torvalds /* 431da177e4SLinus Torvalds * GPIO pins 441da177e4SLinus Torvalds */ 451da177e4SLinus Torvalds #define GPIO_FREQ_MASK (3<<0) 461da177e4SLinus Torvalds #define GPIO_FREQ_32KHZ (0<<0) 471da177e4SLinus Torvalds #define GPIO_FREQ_44KHZ (1<<0) 481da177e4SLinus Torvalds #define GPIO_FREQ_48KHZ (2<<0) 491da177e4SLinus Torvalds #define GPIO_MULTI_MASK (3<<2) 501da177e4SLinus Torvalds #define GPIO_MULTI_4X (0<<2) 511da177e4SLinus Torvalds #define GPIO_MULTI_2X (1<<2) 521da177e4SLinus Torvalds #define GPIO_MULTI_1X (2<<2) /* also external */ 531da177e4SLinus Torvalds #define GPIO_MULTI_HALF (3<<2) 541da177e4SLinus Torvalds #define GPIO_INTERNAL_CLOCK (1<<4) 551da177e4SLinus Torvalds #define GPIO_ANALOG_PRESENT (1<<5) /* RO only: 0 = present */ 561da177e4SLinus Torvalds #define GPIO_RXMCLK_SEL (1<<7) /* must be 0 */ 571da177e4SLinus Torvalds #define GPIO_AK5385A_CKS0 (1<<8) 581da177e4SLinus Torvalds #define GPIO_AK5385A_DFS0 (1<<9) /* swapped with DFS1 according doc? */ 591da177e4SLinus Torvalds #define GPIO_AK5385A_DFS1 (1<<10) 601da177e4SLinus Torvalds #define GPIO_DIGOUT_MONITOR (1<<11) /* 1 = active */ 611da177e4SLinus Torvalds #define GPIO_DIGIN_MONITOR (1<<12) /* 1 = active */ 621da177e4SLinus Torvalds #define GPIO_ANAIN_MONITOR (1<<13) /* 1 = active */ 631da177e4SLinus Torvalds #define GPIO_AK5385A_MCLK (1<<14) /* must be 0 */ 641da177e4SLinus Torvalds #define GPIO_MUTE_CONTROL (1<<15) /* 0 = off, 1 = on */ 651da177e4SLinus Torvalds 661da177e4SLinus Torvalds static void juli_ak4114_write(void *private_data, unsigned char reg, unsigned char val) 671da177e4SLinus Torvalds { 681da177e4SLinus Torvalds snd_vt1724_write_i2c((ice1712_t *)private_data, AK4114_ADDR, reg, val); 691da177e4SLinus Torvalds } 701da177e4SLinus Torvalds 711da177e4SLinus Torvalds static unsigned char juli_ak4114_read(void *private_data, unsigned char reg) 721da177e4SLinus Torvalds { 731da177e4SLinus Torvalds return snd_vt1724_read_i2c((ice1712_t *)private_data, AK4114_ADDR, reg); 741da177e4SLinus Torvalds } 751da177e4SLinus Torvalds 761da177e4SLinus Torvalds /* 771da177e4SLinus Torvalds * AK4358 section 781da177e4SLinus Torvalds */ 791da177e4SLinus Torvalds 801da177e4SLinus Torvalds static void juli_akm_lock(akm4xxx_t *ak, int chip) 811da177e4SLinus Torvalds { 821da177e4SLinus Torvalds } 831da177e4SLinus Torvalds 841da177e4SLinus Torvalds static void juli_akm_unlock(akm4xxx_t *ak, int chip) 851da177e4SLinus Torvalds { 861da177e4SLinus Torvalds } 871da177e4SLinus Torvalds 881da177e4SLinus Torvalds static void juli_akm_write(akm4xxx_t *ak, int chip, 891da177e4SLinus Torvalds unsigned char addr, unsigned char data) 901da177e4SLinus Torvalds { 911da177e4SLinus Torvalds ice1712_t *ice = ak->private_data[0]; 921da177e4SLinus Torvalds 931da177e4SLinus Torvalds snd_assert(chip == 0, return); 941da177e4SLinus Torvalds snd_vt1724_write_i2c(ice, AK4358_ADDR, addr, data); 951da177e4SLinus Torvalds } 961da177e4SLinus Torvalds 971da177e4SLinus Torvalds /* 981da177e4SLinus Torvalds * change the rate of envy24HT, AK4358 991da177e4SLinus Torvalds */ 1001da177e4SLinus Torvalds static void juli_akm_set_rate_val(akm4xxx_t *ak, unsigned int rate) 1011da177e4SLinus Torvalds { 1021da177e4SLinus Torvalds unsigned char old, tmp, dfs; 1031da177e4SLinus Torvalds 1041da177e4SLinus Torvalds if (rate == 0) /* no hint - S/PDIF input is master, simply return */ 1051da177e4SLinus Torvalds return; 1061da177e4SLinus Torvalds 1071da177e4SLinus Torvalds /* adjust DFS on codecs */ 1081da177e4SLinus Torvalds if (rate > 96000) 1091da177e4SLinus Torvalds dfs = 2; 1101da177e4SLinus Torvalds else if (rate > 48000) 1111da177e4SLinus Torvalds dfs = 1; 1121da177e4SLinus Torvalds else 1131da177e4SLinus Torvalds dfs = 0; 1141da177e4SLinus Torvalds 1151da177e4SLinus Torvalds tmp = snd_akm4xxx_get(ak, 0, 2); 1161da177e4SLinus Torvalds old = (tmp >> 4) & 0x03; 1171da177e4SLinus Torvalds if (old == dfs) 1181da177e4SLinus Torvalds return; 1191da177e4SLinus Torvalds /* reset DFS */ 1201da177e4SLinus Torvalds snd_akm4xxx_reset(ak, 1); 1211da177e4SLinus Torvalds tmp = snd_akm4xxx_get(ak, 0, 2); 1221da177e4SLinus Torvalds tmp &= ~(0x03 << 4); 1231da177e4SLinus Torvalds tmp |= dfs << 4; 1241da177e4SLinus Torvalds snd_akm4xxx_set(ak, 0, 2, tmp); 1251da177e4SLinus Torvalds snd_akm4xxx_reset(ak, 0); 1261da177e4SLinus Torvalds } 1271da177e4SLinus Torvalds 1281da177e4SLinus Torvalds static akm4xxx_t akm_juli_dac __devinitdata = { 1291da177e4SLinus Torvalds .type = SND_AK4358, 1301da177e4SLinus Torvalds .num_dacs = 2, 1311da177e4SLinus Torvalds .ops = { 1321da177e4SLinus Torvalds .lock = juli_akm_lock, 1331da177e4SLinus Torvalds .unlock = juli_akm_unlock, 1341da177e4SLinus Torvalds .write = juli_akm_write, 1351da177e4SLinus Torvalds .set_rate_val = juli_akm_set_rate_val 1361da177e4SLinus Torvalds } 1371da177e4SLinus Torvalds }; 1381da177e4SLinus Torvalds 1391da177e4SLinus Torvalds static int __devinit juli_add_controls(ice1712_t *ice) 1401da177e4SLinus Torvalds { 1411da177e4SLinus Torvalds return snd_ice1712_akm4xxx_build_controls(ice); 1421da177e4SLinus Torvalds } 1431da177e4SLinus Torvalds 1441da177e4SLinus Torvalds /* 1451da177e4SLinus Torvalds * initialize the chip 1461da177e4SLinus Torvalds */ 1471da177e4SLinus Torvalds static int __devinit juli_init(ice1712_t *ice) 1481da177e4SLinus Torvalds { 1491da177e4SLinus Torvalds static unsigned char ak4114_init_vals[] = { 1501da177e4SLinus Torvalds /* AK4117_REG_PWRDN */ AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1, 1511da177e4SLinus Torvalds /* AK4114_REQ_FORMAT */ AK4114_DIF_I24I2S, 1521da177e4SLinus Torvalds /* AK4114_REG_IO0 */ AK4114_TX1E, 1531da177e4SLinus Torvalds /* AK4114_REG_IO1 */ AK4114_EFH_1024 | AK4114_DIT | AK4114_IPS(1), 1541da177e4SLinus Torvalds /* AK4114_REG_INT0_MASK */ 0, 1551da177e4SLinus Torvalds /* AK4114_REG_INT1_MASK */ 0 1561da177e4SLinus Torvalds }; 1571da177e4SLinus Torvalds static unsigned char ak4114_init_txcsb[] = { 1581da177e4SLinus Torvalds 0x41, 0x02, 0x2c, 0x00, 0x00 1591da177e4SLinus Torvalds }; 1601da177e4SLinus Torvalds int err; 1611da177e4SLinus Torvalds akm4xxx_t *ak; 1621da177e4SLinus Torvalds 1631da177e4SLinus Torvalds #if 0 1641da177e4SLinus Torvalds for (err = 0; err < 0x20; err++) 1651da177e4SLinus Torvalds juli_ak4114_read(ice, err); 1661da177e4SLinus Torvalds juli_ak4114_write(ice, 0, 0x0f); 1671da177e4SLinus Torvalds juli_ak4114_read(ice, 0); 1681da177e4SLinus Torvalds juli_ak4114_read(ice, 1); 1691da177e4SLinus Torvalds #endif 1701da177e4SLinus Torvalds err = snd_ak4114_create(ice->card, 1711da177e4SLinus Torvalds juli_ak4114_read, 1721da177e4SLinus Torvalds juli_ak4114_write, 1731da177e4SLinus Torvalds ak4114_init_vals, ak4114_init_txcsb, 1741da177e4SLinus Torvalds ice, &ice->spec.juli.ak4114); 1751da177e4SLinus Torvalds if (err < 0) 1761da177e4SLinus Torvalds return err; 1771da177e4SLinus Torvalds 1781da177e4SLinus Torvalds ice->spec.juli.analog = ice->gpio.get_data(ice) & GPIO_ANALOG_PRESENT; 1791da177e4SLinus Torvalds 1801da177e4SLinus Torvalds if (ice->spec.juli.analog) { 1811da177e4SLinus Torvalds printk(KERN_INFO "juli@: analog I/O detected\n"); 1821da177e4SLinus Torvalds ice->num_total_dacs = 2; 1831da177e4SLinus Torvalds ice->num_total_adcs = 2; 1841da177e4SLinus Torvalds 1851da177e4SLinus Torvalds ak = ice->akm = kcalloc(1, sizeof(akm4xxx_t), GFP_KERNEL); 1861da177e4SLinus Torvalds if (! ak) 1871da177e4SLinus Torvalds return -ENOMEM; 1881da177e4SLinus Torvalds ice->akm_codecs = 1; 1891da177e4SLinus Torvalds if ((err = snd_ice1712_akm4xxx_init(ak, &akm_juli_dac, NULL, ice)) < 0) 1901da177e4SLinus Torvalds return err; 1911da177e4SLinus Torvalds } 1921da177e4SLinus Torvalds 1931da177e4SLinus Torvalds return 0; 1941da177e4SLinus Torvalds } 1951da177e4SLinus Torvalds 1961da177e4SLinus Torvalds 1971da177e4SLinus Torvalds /* 1981da177e4SLinus Torvalds * Juli@ boards don't provide the EEPROM data except for the vendor IDs. 1991da177e4SLinus Torvalds * hence the driver needs to sets up it properly. 2001da177e4SLinus Torvalds */ 2011da177e4SLinus Torvalds 2021da177e4SLinus Torvalds static unsigned char juli_eeprom[] __devinitdata = { 2031da177e4SLinus Torvalds 0x20, /* SYSCONF: clock 512, mpu401, 1xADC, 1xDACs */ 2041da177e4SLinus Torvalds 0x80, /* ACLINK: I2S */ 2051da177e4SLinus Torvalds 0xf8, /* I2S: vol, 96k, 24bit, 192k */ 2061da177e4SLinus Torvalds 0xc3, /* SPDIF: out-en, out-int, spdif-in */ 2071da177e4SLinus Torvalds 0x9f, /* GPIO_DIR */ 2081da177e4SLinus Torvalds 0xff, /* GPIO_DIR1 */ 2091da177e4SLinus Torvalds 0x7f, /* GPIO_DIR2 */ 2101da177e4SLinus Torvalds 0x9f, /* GPIO_MASK */ 2111da177e4SLinus Torvalds 0xff, /* GPIO_MASK1 */ 2121da177e4SLinus Torvalds 0x7f, /* GPIO_MASK2 */ 2131da177e4SLinus Torvalds 0x16, /* GPIO_STATE: internal clock, multiple 1x, 48kHz */ 2141da177e4SLinus Torvalds 0x80, /* GPIO_STATE1: mute */ 2151da177e4SLinus Torvalds 0x00, /* GPIO_STATE2 */ 2161da177e4SLinus Torvalds }; 2171da177e4SLinus Torvalds 2181da177e4SLinus Torvalds /* entry point */ 2191da177e4SLinus Torvalds struct snd_ice1712_card_info snd_vt1724_juli_cards[] __devinitdata = { 2201da177e4SLinus Torvalds { 2211da177e4SLinus Torvalds .subvendor = VT1724_SUBDEVICE_JULI, 2221da177e4SLinus Torvalds .name = "ESI Juli@", 2231da177e4SLinus Torvalds .model = "juli", 2241da177e4SLinus Torvalds .chip_init = juli_init, 2251da177e4SLinus Torvalds .build_controls = juli_add_controls, 2261da177e4SLinus Torvalds .eeprom_size = sizeof(juli_eeprom), 2271da177e4SLinus Torvalds .eeprom_data = juli_eeprom, 2281da177e4SLinus Torvalds }, 2291da177e4SLinus Torvalds { } /* terminator */ 2301da177e4SLinus Torvalds }; 231