diff options
Diffstat (limited to 'sound/pci/ice1712/prodigy192.c')
| -rw-r--r-- | sound/pci/ice1712/prodigy192.c | 806 |
1 files changed, 806 insertions, 0 deletions
diff --git a/sound/pci/ice1712/prodigy192.c b/sound/pci/ice1712/prodigy192.c new file mode 100644 index 000000000..5e52086d7 --- /dev/null +++ b/sound/pci/ice1712/prodigy192.c @@ -0,0 +1,806 @@ +/* + * ALSA driver for ICEnsemble VT1724 (Envy24HT) + * + * Lowlevel functions for AudioTrak Prodigy 192 cards + * Supported IEC958 input from optional MI/ODI/O add-on card. + * + * Specifics (SW, HW): + * ------------------- + * * 49.5MHz crystal + * * SPDIF-OUT on the card: + * - coax (through isolation transformer)/toslink supplied by + * 74HC04 gates - 3 in parallel + * - output switched between on-board CD drive dig-out connector + * and ice1724 SPDTX pin, using 74HC02 NOR gates, controlled + * by GPIO20 (0 = CD dig-out, 1 = SPDTX) + * * SPDTX goes straight to MI/ODI/O card's SPDIF-OUT coax + * + * * MI/ODI/O card: AK4114 based, used for iec958 input only + * - toslink input -> RX0 + * - coax input -> RX1 + * - 4wire protocol: + * AK4114 ICE1724 + * ------------------------------ + * CDTO (pin 32) -- GPIO11 pin 86 + * CDTI (pin 33) -- GPIO10 pin 77 + * CCLK (pin 34) -- GPIO9 pin 76 + * CSN (pin 35) -- GPIO8 pin 75 + * - output data Mode 7 (24bit, I2S, slave) + * - both MCKO1 and MCKO2 of ak4114 are fed to FPGA, which + * outputs master clock to SPMCLKIN of ice1724. + * Experimentally I found out that only a combination of + * OCKS0=1, OCKS1=1 (128fs, 64fs output) and ice1724 - + * VT1724_MT_I2S_MCLK_128X=0 (256fs input) yields correct + * sampling rate. That means that the FPGA doubles the + * MCK01 rate. + * + * Copyright (c) 2003 Takashi Iwai <tiwai@suse.de> + * Copyright (c) 2003 Dimitromanolakis Apostolos <apostol@cs.utoronto.ca> + * Copyright (c) 2004 Kouichi ONO <co2b@ceres.dti.ne.jp> + * + * 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 <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 "prodigy192.h" +#include "stac946x.h" +#include <sound/tlv.h> + +struct prodigy192_spec { + struct ak4114 *ak4114; + /* rate change needs atomic mute/unmute of all dacs*/ + struct mutex mute_mutex; +}; + +static inline void stac9460_put(struct snd_ice1712 *ice, int reg, unsigned char val) +{ + snd_vt1724_write_i2c(ice, PRODIGY192_STAC9460_ADDR, reg, val); +} + +static inline unsigned char stac9460_get(struct snd_ice1712 *ice, int reg) +{ + return snd_vt1724_read_i2c(ice, PRODIGY192_STAC9460_ADDR, reg); +} + +/* + * DAC mute control + */ + +/* + * idx = STAC9460 volume register number, mute: 0 = mute, 1 = unmute + */ +static int stac9460_dac_mute(struct snd_ice1712 *ice, int idx, + unsigned char mute) +{ + unsigned char new, old; + int change; + old = stac9460_get(ice, idx); + new = (~mute << 7 & 0x80) | (old & ~0x80); + change = (new != old); + if (change) + /* dev_dbg(ice->card->dev, "Volume register 0x%02x: 0x%02x\n", idx, new);*/ + stac9460_put(ice, idx, new); + return change; +} + +#define stac9460_dac_mute_info snd_ctl_boolean_mono_info + +static int stac9460_dac_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + unsigned char val; + int idx; + + if (kcontrol->private_value) + idx = STAC946X_MASTER_VOLUME; + else + idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME; + val = stac9460_get(ice, idx); + ucontrol->value.integer.value[0] = (~val >> 7) & 0x1; + return 0; +} + +static int stac9460_dac_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + struct prodigy192_spec *spec = ice->spec; + int idx, change; + + if (kcontrol->private_value) + idx = STAC946X_MASTER_VOLUME; + else + idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME; + /* due to possible conflicts with stac9460_set_rate_val, mutexing */ + mutex_lock(&spec->mute_mutex); + /* + dev_dbg(ice->card->dev, "Mute put: reg 0x%02x, ctrl value: 0x%02x\n", idx, + ucontrol->value.integer.value[0]); + */ + change = stac9460_dac_mute(ice, idx, ucontrol->value.integer.value[0]); + mutex_unlock(&spec->mute_mutex); + return change; +} + +/* + * DAC volume attenuation mixer control + */ +static int stac9460_dac_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; /* mute */ + uinfo->value.integer.max = 0x7f; /* 0dB */ + return 0; +} + +static int stac9460_dac_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + int idx; + unsigned char vol; + + if (kcontrol->private_value) + idx = STAC946X_MASTER_VOLUME; + else + idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME; + vol = stac9460_get(ice, idx) & 0x7f; + ucontrol->value.integer.value[0] = 0x7f - vol; + + return 0; +} + +static int stac9460_dac_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + int idx; + unsigned char tmp, ovol, nvol; + int change; + + if (kcontrol->private_value) + idx = STAC946X_MASTER_VOLUME; + else + idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME; + nvol = ucontrol->value.integer.value[0]; + tmp = stac9460_get(ice, idx); + ovol = 0x7f - (tmp & 0x7f); + change = (ovol != nvol); + if (change) { + ovol = (0x7f - nvol) | (tmp & 0x80); + /* + dev_dbg(ice->card->dev, "DAC Volume: reg 0x%02x: 0x%02x\n", + idx, ovol); + */ + stac9460_put(ice, idx, (0x7f - nvol) | (tmp & 0x80)); + } + return change; +} + +/* + * ADC mute control + */ +#define stac9460_adc_mute_info snd_ctl_boolean_stereo_info + +static int stac9460_adc_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + unsigned char val; + int i; + + for (i = 0; i < 2; ++i) { + val = stac9460_get(ice, STAC946X_MIC_L_VOLUME + i); + ucontrol->value.integer.value[i] = ~val>>7 & 0x1; + } + + return 0; +} + +static int stac9460_adc_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + unsigned char new, old; + int i, reg; + int change; + + for (i = 0; i < 2; ++i) { + reg = STAC946X_MIC_L_VOLUME + i; + old = stac9460_get(ice, reg); + new = (~ucontrol->value.integer.value[i]<<7&0x80) | (old&~0x80); + change = (new != old); + if (change) + stac9460_put(ice, reg, new); + } + + return change; +} + +/* + * ADC gain mixer control + */ +static int stac9460_adc_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 2; + uinfo->value.integer.min = 0; /* 0dB */ + uinfo->value.integer.max = 0x0f; /* 22.5dB */ + return 0; +} + +static int stac9460_adc_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + int i, reg; + unsigned char vol; + + for (i = 0; i < 2; ++i) { + reg = STAC946X_MIC_L_VOLUME + i; + vol = stac9460_get(ice, reg) & 0x0f; + ucontrol->value.integer.value[i] = 0x0f - vol; + } + + return 0; +} + +static int stac9460_adc_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + int i, reg; + unsigned char ovol, nvol; + int change; + + for (i = 0; i < 2; ++i) { + reg = STAC946X_MIC_L_VOLUME + i; + nvol = ucontrol->value.integer.value[i] & 0x0f; + ovol = 0x0f - stac9460_get(ice, reg); + change = ((ovol & 0x0f) != nvol); + if (change) + stac9460_put(ice, reg, (0x0f - nvol) | (ovol & ~0x0f)); + } + + return change; +} + +static int stac9460_mic_sw_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts[2] = { "Line In", "Mic" }; + + return snd_ctl_enum_info(uinfo, 1, 2, texts); +} + + +static int stac9460_mic_sw_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + unsigned char val; + + val = stac9460_get(ice, STAC946X_GENERAL_PURPOSE); + ucontrol->value.enumerated.item[0] = (val >> 7) & 0x1; + return 0; +} + +static int stac9460_mic_sw_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + unsigned char new, old; + int change; + old = stac9460_get(ice, STAC946X_GENERAL_PURPOSE); + new = (ucontrol->value.enumerated.item[0] << 7 & 0x80) | (old & ~0x80); + change = (new != old); + if (change) + stac9460_put(ice, STAC946X_GENERAL_PURPOSE, new); + return change; +} +/* + * Handler for setting correct codec rate - called when rate change is detected + */ +static void stac9460_set_rate_val(struct snd_ice1712 *ice, unsigned int rate) +{ + unsigned char old, new; + int idx; + unsigned char changed[7]; + struct prodigy192_spec *spec = ice->spec; + + if (rate == 0) /* no hint - S/PDIF input is master, simply return */ + return; + else if (rate <= 48000) + new = 0x08; /* 256x, base rate mode */ + else if (rate <= 96000) + new = 0x11; /* 256x, mid rate mode */ + else + new = 0x12; /* 128x, high rate mode */ + old = stac9460_get(ice, STAC946X_MASTER_CLOCKING); + if (old == new) + return; + /* change detected, setting master clock, muting first */ + /* due to possible conflicts with mute controls - mutexing */ + mutex_lock(&spec->mute_mutex); + /* we have to remember current mute status for each DAC */ + for (idx = 0; idx < 7 ; ++idx) + changed[idx] = stac9460_dac_mute(ice, + STAC946X_MASTER_VOLUME + idx, 0); + /*dev_dbg(ice->card->dev, "Rate change: %d, new MC: 0x%02x\n", rate, new);*/ + stac9460_put(ice, STAC946X_MASTER_CLOCKING, new); + udelay(10); + /* unmuting - only originally unmuted dacs - + * i.e. those changed when muting */ + for (idx = 0; idx < 7 ; ++idx) { + if (changed[idx]) + stac9460_dac_mute(ice, STAC946X_MASTER_VOLUME + idx, 1); + } + mutex_unlock(&spec->mute_mutex); +} + + +static const DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0); +static const DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0); + +/* + * mixers + */ + +static struct snd_kcontrol_new stac_controls[] = { + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Master Playback Switch", + .info = stac9460_dac_mute_info, + .get = stac9460_dac_mute_get, + .put = stac9460_dac_mute_put, + .private_value = 1, + .tlv = { .p = db_scale_dac } + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), + .name = "Master Playback Volume", + .info = stac9460_dac_vol_info, + .get = stac9460_dac_vol_get, + .put = stac9460_dac_vol_put, + .private_value = 1, + .tlv = { .p = db_scale_dac } + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "DAC Switch", + .count = 6, + .info = stac9460_dac_mute_info, + .get = stac9460_dac_mute_get, + .put = stac9460_dac_mute_put, + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), + .name = "DAC Volume", + .count = 6, + .info = stac9460_dac_vol_info, + .get = stac9460_dac_vol_get, + .put = stac9460_dac_vol_put, + .tlv = { .p = db_scale_dac } + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "ADC Capture Switch", + .count = 1, + .info = stac9460_adc_mute_info, + .get = stac9460_adc_mute_get, + .put = stac9460_adc_mute_put, + + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), + .name = "ADC Capture Volume", + .count = 1, + .info = stac9460_adc_vol_info, + .get = stac9460_adc_vol_get, + .put = stac9460_adc_vol_put, + .tlv = { .p = db_scale_adc } + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Analog Capture Input", + .info = stac9460_mic_sw_info, + .get = stac9460_mic_sw_get, + .put = stac9460_mic_sw_put, + + }, +}; + +/* AK4114 - ICE1724 connections on Prodigy192 + MI/ODI/O */ +/* CDTO (pin 32) -- GPIO11 pin 86 + * CDTI (pin 33) -- GPIO10 pin 77 + * CCLK (pin 34) -- GPIO9 pin 76 + * CSN (pin 35) -- GPIO8 pin 75 + */ +#define AK4114_ADDR 0x00 /* C1-C0: Chip Address + * (According to datasheet fixed to “00”) + */ + +/* + * 4wire ak4114 protocol - writing data + */ +static void write_data(struct snd_ice1712 *ice, unsigned int gpio, + unsigned int data, int idx) +{ + for (; idx >= 0; idx--) { + /* drop clock */ + gpio &= ~VT1724_PRODIGY192_CCLK; + snd_ice1712_gpio_write(ice, gpio); + udelay(1); + /* set data */ + if (data & (1 << idx)) + gpio |= VT1724_PRODIGY192_CDOUT; + else + gpio &= ~VT1724_PRODIGY192_CDOUT; + snd_ice1712_gpio_write(ice, gpio); + udelay(1); + /* raise clock */ + gpio |= VT1724_PRODIGY192_CCLK; + snd_ice1712_gpio_write(ice, gpio); + udelay(1); + } +} + +/* + * 4wire ak4114 protocol - reading data + */ +static unsigned char read_data(struct snd_ice1712 *ice, unsigned int gpio, + int idx) +{ + unsigned char data = 0; + + for (; idx >= 0; idx--) { + /* drop clock */ + gpio &= ~VT1724_PRODIGY192_CCLK; + snd_ice1712_gpio_write(ice, gpio); + udelay(1); + /* read data */ + if (snd_ice1712_gpio_read(ice) & VT1724_PRODIGY192_CDIN) + data |= (1 << idx); + udelay(1); + /* raise clock */ + gpio |= VT1724_PRODIGY192_CCLK; + snd_ice1712_gpio_write(ice, gpio); + udelay(1); + } + return data; +} +/* + * 4wire ak4114 protocol - starting sequence + */ +static unsigned int prodigy192_4wire_start(struct snd_ice1712 *ice) +{ + unsigned int tmp; + + snd_ice1712_save_gpio_status(ice); + tmp = snd_ice1712_gpio_read(ice); + + tmp |= VT1724_PRODIGY192_CCLK; /* high at init */ + tmp &= ~VT1724_PRODIGY192_CS; /* drop chip select */ + snd_ice1712_gpio_write(ice, tmp); + udelay(1); + return tmp; +} + +/* + * 4wire ak4114 protocol - final sequence + */ +static void prodigy192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp) +{ + tmp |= VT1724_PRODIGY192_CS; /* raise chip select */ + snd_ice1712_gpio_write(ice, tmp); + udelay(1); + snd_ice1712_restore_gpio_status(ice); +} + +/* + * Write data to addr register of ak4114 + */ +static void prodigy192_ak4114_write(void *private_data, unsigned char addr, + unsigned char data) +{ + struct snd_ice1712 *ice = private_data; + unsigned int tmp, addrdata; + tmp = prodigy192_4wire_start(ice); + addrdata = (AK4114_ADDR << 6) | 0x20 | (addr & 0x1f); + addrdata = (addrdata << 8) | data; + write_data(ice, tmp, addrdata, 15); + prodigy192_4wire_finish(ice, tmp); +} + +/* + * Read data from addr register of ak4114 + */ +static unsigned char prodigy192_ak4114_read(void *private_data, + unsigned char addr) +{ + struct snd_ice1712 *ice = private_data; + unsigned int tmp; + unsigned char data; + + tmp = prodigy192_4wire_start(ice); + write_data(ice, tmp, (AK4114_ADDR << 6) | (addr & 0x1f), 7); + data = read_data(ice, tmp, 7); + prodigy192_4wire_finish(ice, tmp); + return data; +} + + +static int ak4114_input_sw_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts[2] = { "Toslink", "Coax" }; + + return snd_ctl_enum_info(uinfo, 1, 2, texts); +} + + +static int ak4114_input_sw_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + unsigned char val; + + val = prodigy192_ak4114_read(ice, AK4114_REG_IO1); + /* AK4114_IPS0 bit = 0 -> RX0 = Toslink + * AK4114_IPS0 bit = 1 -> RX1 = Coax + */ + ucontrol->value.enumerated.item[0] = (val & AK4114_IPS0) ? 1 : 0; + return 0; +} + +static int ak4114_input_sw_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + unsigned char new, old, itemvalue; + int change; + + old = prodigy192_ak4114_read(ice, AK4114_REG_IO1); + /* AK4114_IPS0 could be any bit */ + itemvalue = (ucontrol->value.enumerated.item[0]) ? 0xff : 0x00; + + new = (itemvalue & AK4114_IPS0) | (old & ~AK4114_IPS0); + change = (new != old); + if (change) + prodigy192_ak4114_write(ice, AK4114_REG_IO1, new); + return change; +} + + +static struct snd_kcontrol_new ak4114_controls[] = { + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "MIODIO IEC958 Capture Input", + .info = ak4114_input_sw_info, + .get = ak4114_input_sw_get, + .put = ak4114_input_sw_put, + + } +}; + + +static int prodigy192_ak4114_init(struct snd_ice1712 *ice) +{ + static const unsigned char ak4114_init_vals[] = { + AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1, + /* ice1724 expects I2S and provides clock, + * DEM0 disables the deemphasis filter + */ + AK4114_DIF_I24I2S | AK4114_DEM0 , + AK4114_TX1E, + AK4114_EFH_1024 | AK4114_DIT, /* default input RX0 */ + 0, + 0 + }; + static const unsigned char ak4114_init_txcsb[] = { + 0x41, 0x02, 0x2c, 0x00, 0x00 + }; + struct prodigy192_spec *spec = ice->spec; + int err; + + err = snd_ak4114_create(ice->card, + prodigy192_ak4114_read, + prodigy192_ak4114_write, + ak4114_init_vals, ak4114_init_txcsb, + ice, &spec->ak4114); + if (err < 0) + return err; + /* AK4114 in Prodigy192 cannot detect external rate correctly. + * No reason to stop capture stream due to incorrect checks */ + spec->ak4114->check_flags = AK4114_CHECK_NO_RATE; + return 0; +} + +static void stac9460_proc_regs_read(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) +{ + struct snd_ice1712 *ice = entry->private_data; + int reg, val; + /* registers 0x0 - 0x14 */ + for (reg = 0; reg <= 0x15; reg++) { + val = stac9460_get(ice, reg); + snd_iprintf(buffer, "0x%02x = 0x%02x\n", reg, val); + } +} + + +static void stac9460_proc_init(struct snd_ice1712 *ice) +{ + struct snd_info_entry *entry; + if (!snd_card_proc_new(ice->card, "stac9460_codec", &entry)) + snd_info_set_text_ops(entry, ice, stac9460_proc_regs_read); +} + + +static int prodigy192_add_controls(struct snd_ice1712 *ice) +{ + struct prodigy192_spec *spec = ice->spec; + unsigned int i; + int err; + + for (i = 0; i < ARRAY_SIZE(stac_controls); i++) { + err = snd_ctl_add(ice->card, + snd_ctl_new1(&stac_controls[i], ice)); + if (err < 0) + return err; + } + if (spec->ak4114) { + /* ak4114 is connected */ + for (i = 0; i < ARRAY_SIZE(ak4114_controls); i++) { + err = snd_ctl_add(ice->card, + snd_ctl_new1(&ak4114_controls[i], + ice)); + if (err < 0) + return err; + } + err = snd_ak4114_build(spec->ak4114, + NULL, /* ak4114 in MIO/DI/O handles no IEC958 output */ + ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream); + if (err < 0) + return err; + } + stac9460_proc_init(ice); + return 0; +} + +/* + * check for presence of MI/ODI/O add-on card with digital inputs + */ +static int prodigy192_miodio_exists(struct snd_ice1712 *ice) +{ + + unsigned char orig_value; + const unsigned char test_data = 0xd1; /* random value */ + unsigned char addr = AK4114_REG_INT0_MASK; /* random SAFE address */ + int exists = 0; + + orig_value = prodigy192_ak4114_read(ice, addr); + prodigy192_ak4114_write(ice, addr, test_data); + if (prodigy192_ak4114_read(ice, addr) == test_data) { + /* ak4114 seems to communicate, apparently exists */ + /* writing back original value */ + prodigy192_ak4114_write(ice, addr, orig_value); + exists = 1; + } + return exists; +} + +/* + * initialize the chip + */ +static int prodigy192_init(struct snd_ice1712 *ice) +{ + static const unsigned short stac_inits_prodigy[] = { + STAC946X_RESET, 0, + STAC946X_MASTER_CLOCKING, 0x11, +/* STAC946X_MASTER_VOLUME, 0, + STAC946X_LF_VOLUME, 0, + STAC946X_RF_VOLUME, 0, + STAC946X_LR_VOLUME, 0, + STAC946X_RR_VOLUME, 0, + STAC946X_CENTER_VOLUME, 0, + STAC946X_LFE_VOLUME, 0,*/ + (unsigned short)-1 + }; + const unsigned short *p; + int err = 0; + struct prodigy192_spec *spec; + + /* prodigy 192 */ + ice->num_total_dacs = 6; + ice->num_total_adcs = 2; + ice->vt1720 = 0; /* ice1724, e.g. 23 GPIOs */ + + spec = kzalloc(sizeof(*spec), GFP_KERNEL); + if (!spec) + return -ENOMEM; + ice->spec = spec; + mutex_init(&spec->mute_mutex); + + /* initialize codec */ + p = stac_inits_prodigy; + for (; *p != (unsigned short)-1; p += 2) + stac9460_put(ice, p[0], p[1]); + ice->gpio.set_pro_rate = stac9460_set_rate_val; + + /* MI/ODI/O add on card with AK4114 */ + if (prodigy192_miodio_exists(ice)) { + err = prodigy192_ak4114_init(ice); + /* from this moment if err = 0 then + * spec->ak4114 should not be null + */ + dev_dbg(ice->card->dev, + "AK4114 initialized with status %d\n", err); + } else + dev_dbg(ice->card->dev, "AK4114 not found\n"); + + return err; +} + + +/* + * Aureon boards don't provide the EEPROM data except for the vendor IDs. + * hence the driver needs to sets up it properly. + */ + +static unsigned char prodigy71_eeprom[] = { + [ICE_EEP2_SYSCONF] = 0x6a, /* 49MHz crystal, mpu401, + * spdif-in+ 1 stereo ADC, + * 3 stereo DACs + */ + [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] = 0xff, + [ICE_EEP2_GPIO_DIR1] = ~(VT1724_PRODIGY192_CDIN >> 8) , + [ICE_EEP2_GPIO_DIR2] = 0xbf, + [ICE_EEP2_GPIO_MASK] = 0x00, + [ICE_EEP2_GPIO_MASK1] = 0x00, + [ICE_EEP2_GPIO_MASK2] = 0x00, + [ICE_EEP2_GPIO_STATE] = 0x00, + [ICE_EEP2_GPIO_STATE1] = 0x00, + [ICE_EEP2_GPIO_STATE2] = 0x10, /* GPIO20: 0 = CD drive dig. input + * passthrough, + * 1 = SPDIF-OUT from ice1724 + */ +}; + + +/* entry point */ +struct snd_ice1712_card_info snd_vt1724_prodigy192_cards[] = { + { + .subvendor = VT1724_SUBDEVICE_PRODIGY192VE, + .name = "Audiotrak Prodigy 192", + .model = "prodigy192", + .chip_init = prodigy192_init, + .build_controls = prodigy192_add_controls, + .eeprom_size = sizeof(prodigy71_eeprom), + .eeprom_data = prodigy71_eeprom, + }, + { } /* terminator */ +}; |