| /* |
| * 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((struct snd_ice1712 *)private_data, AK4114_ADDR, reg, val); |
| } |
| |
| static unsigned char juli_ak4114_read(void *private_data, unsigned char reg) |
| { |
| return snd_vt1724_read_i2c((struct snd_ice1712 *)private_data, AK4114_ADDR, reg); |
| } |
| |
| /* |
| * AK4358 section |
| */ |
| |
| static void juli_akm_lock(struct snd_akm4xxx *ak, int chip) |
| { |
| } |
| |
| static void juli_akm_unlock(struct snd_akm4xxx *ak, int chip) |
| { |
| } |
| |
| static void juli_akm_write(struct snd_akm4xxx *ak, int chip, |
| unsigned char addr, unsigned char data) |
| { |
| struct snd_ice1712 *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(struct snd_akm4xxx *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 struct snd_akm4xxx 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(struct snd_ice1712 *ice) |
| { |
| return snd_ice1712_akm4xxx_build_controls(ice); |
| } |
| |
| /* |
| * initialize the chip |
| */ |
| static int __devinit juli_init(struct snd_ice1712 *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; |
| struct snd_akm4xxx *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; |
| |
| #if 0 |
| /* it seems that the analog doughter board detection does not work |
| reliably, so force the analog flag; it should be very rare |
| to use Juli@ without the analog doughter board */ |
| ice->spec.juli.analog = (ice->gpio.get_data(ice) & GPIO_ANALOG_PRESENT) ? 0 : 1; |
| #else |
| ice->spec.juli.analog = 1; |
| #endif |
| |
| 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 = kzalloc(sizeof(struct snd_akm4xxx), 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 = { |
| [ICE_EEP2_SYSCONF] = 0x20, /* clock 512, mpu401, 1xADC, 1xDACs */ |
| [ICE_EEP2_ACLINK] = 0x80, /* I2S */ |
| [ICE_EEP2_I2S] = 0xf8, /* vol, 96k, 24bit, 192k */ |
| [ICE_EEP2_SPDIF] = 0xc3, /* out-en, out-int, spdif-in */ |
| [ICE_EEP2_GPIO_DIR] = 0x9f, |
| [ICE_EEP2_GPIO_DIR1] = 0xff, |
| [ICE_EEP2_GPIO_DIR2] = 0x7f, |
| [ICE_EEP2_GPIO_MASK] = 0x9f, |
| [ICE_EEP2_GPIO_MASK1] = 0xff, |
| [ICE_EEP2_GPIO_MASK2] = 0x7f, |
| [ICE_EEP2_GPIO_STATE] = 0x16, /* internal clock, multiple 1x, 48kHz */ |
| [ICE_EEP2_GPIO_STATE1] = 0x80, /* mute */ |
| [ICE_EEP2_GPIO_STATE2] = 0x00, |
| }; |
| |
| /* 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 */ |
| }; |