diff options
Diffstat (limited to 'sound/pci/ice1712/quartet.c')
| -rw-r--r-- | sound/pci/ice1712/quartet.c | 1070 |
1 files changed, 1070 insertions, 0 deletions
diff --git a/sound/pci/ice1712/quartet.c b/sound/pci/ice1712/quartet.c new file mode 100644 index 0000000000..f61ee9f5c7 --- /dev/null +++ b/sound/pci/ice1712/quartet.c @@ -0,0 +1,1070 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * ALSA driver for ICEnsemble VT1724 (Envy24HT) + * + * Lowlevel functions for Infrasonic Quartet + * + * Copyright (c) 2009 Pavel Hofman <pavel.hofman@ivitera.com> + */ + +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <sound/core.h> +#include <sound/tlv.h> +#include <sound/info.h> + +#include "ice1712.h" +#include "envy24ht.h" +#include <sound/ak4113.h> +#include "quartet.h" + +struct qtet_spec { + struct ak4113 *ak4113; + unsigned int scr; /* system control register */ + unsigned int mcr; /* monitoring control register */ + unsigned int cpld; /* cpld register */ +}; + +struct qtet_kcontrol_private { + unsigned int bit; + void (*set_register)(struct snd_ice1712 *ice, unsigned int val); + unsigned int (*get_register)(struct snd_ice1712 *ice); + const char * const texts[2]; +}; + +enum { + IN12_SEL = 0, + IN34_SEL, + AIN34_SEL, + COAX_OUT, + IN12_MON12, + IN12_MON34, + IN34_MON12, + IN34_MON34, + OUT12_MON34, + OUT34_MON12, +}; + +static const char * const ext_clock_names[3] = {"IEC958 In", "Word Clock 1xFS", + "Word Clock 256xFS"}; + +/* chip address on I2C bus */ +#define AK4113_ADDR 0x26 /* S/PDIF receiver */ + +/* chip address on SPI bus */ +#define AK4620_ADDR 0x02 /* ADC/DAC */ + + +/* + * GPIO pins + */ + +/* GPIO0 - O - DATA0, def. 0 */ +#define GPIO_D0 (1<<0) +/* GPIO1 - I/O - DATA1, Jack Detect Input0 (0:present, 1:missing), def. 1 */ +#define GPIO_D1_JACKDTC0 (1<<1) +/* GPIO2 - I/O - DATA2, Jack Detect Input1 (0:present, 1:missing), def. 1 */ +#define GPIO_D2_JACKDTC1 (1<<2) +/* GPIO3 - I/O - DATA3, def. 1 */ +#define GPIO_D3 (1<<3) +/* GPIO4 - I/O - DATA4, SPI CDTO, def. 1 */ +#define GPIO_D4_SPI_CDTO (1<<4) +/* GPIO5 - I/O - DATA5, SPI CCLK, def. 1 */ +#define GPIO_D5_SPI_CCLK (1<<5) +/* GPIO6 - I/O - DATA6, Cable Detect Input (0:detected, 1:not detected */ +#define GPIO_D6_CD (1<<6) +/* GPIO7 - I/O - DATA7, Device Detect Input (0:detected, 1:not detected */ +#define GPIO_D7_DD (1<<7) +/* GPIO8 - O - CPLD Chip Select, def. 1 */ +#define GPIO_CPLD_CSN (1<<8) +/* GPIO9 - O - CPLD register read/write (0:write, 1:read), def. 0 */ +#define GPIO_CPLD_RW (1<<9) +/* GPIO10 - O - SPI Chip Select for CODEC#0, def. 1 */ +#define GPIO_SPI_CSN0 (1<<10) +/* GPIO11 - O - SPI Chip Select for CODEC#1, def. 1 */ +#define GPIO_SPI_CSN1 (1<<11) +/* GPIO12 - O - Ex. Register Output Enable (0:enable, 1:disable), def. 1, + * init 0 */ +#define GPIO_EX_GPIOE (1<<12) +/* GPIO13 - O - Ex. Register0 Chip Select for System Control Register, + * def. 1 */ +#define GPIO_SCR (1<<13) +/* GPIO14 - O - Ex. Register1 Chip Select for Monitor Control Register, + * def. 1 */ +#define GPIO_MCR (1<<14) + +#define GPIO_SPI_ALL (GPIO_D4_SPI_CDTO | GPIO_D5_SPI_CCLK |\ + GPIO_SPI_CSN0 | GPIO_SPI_CSN1) + +#define GPIO_DATA_MASK (GPIO_D0 | GPIO_D1_JACKDTC0 | \ + GPIO_D2_JACKDTC1 | GPIO_D3 | \ + GPIO_D4_SPI_CDTO | GPIO_D5_SPI_CCLK | \ + GPIO_D6_CD | GPIO_D7_DD) + +/* System Control Register GPIO_SCR data bits */ +/* Mic/Line select relay (0:line, 1:mic) */ +#define SCR_RELAY GPIO_D0 +/* Phantom power drive control (0:5V, 1:48V) */ +#define SCR_PHP_V GPIO_D1_JACKDTC0 +/* H/W mute control (0:Normal, 1:Mute) */ +#define SCR_MUTE GPIO_D2_JACKDTC1 +/* Phantom power control (0:Phantom on, 1:off) */ +#define SCR_PHP GPIO_D3 +/* Analog input 1/2 Source Select */ +#define SCR_AIN12_SEL0 GPIO_D4_SPI_CDTO +#define SCR_AIN12_SEL1 GPIO_D5_SPI_CCLK +/* Analog input 3/4 Source Select (0:line, 1:hi-z) */ +#define SCR_AIN34_SEL GPIO_D6_CD +/* Codec Power Down (0:power down, 1:normal) */ +#define SCR_CODEC_PDN GPIO_D7_DD + +#define SCR_AIN12_LINE (0) +#define SCR_AIN12_MIC (SCR_AIN12_SEL0) +#define SCR_AIN12_LOWCUT (SCR_AIN12_SEL1 | SCR_AIN12_SEL0) + +/* Monitor Control Register GPIO_MCR data bits */ +/* Input 1/2 to Monitor 1/2 (0:off, 1:on) */ +#define MCR_IN12_MON12 GPIO_D0 +/* Input 1/2 to Monitor 3/4 (0:off, 1:on) */ +#define MCR_IN12_MON34 GPIO_D1_JACKDTC0 +/* Input 3/4 to Monitor 1/2 (0:off, 1:on) */ +#define MCR_IN34_MON12 GPIO_D2_JACKDTC1 +/* Input 3/4 to Monitor 3/4 (0:off, 1:on) */ +#define MCR_IN34_MON34 GPIO_D3 +/* Output to Monitor 1/2 (0:off, 1:on) */ +#define MCR_OUT34_MON12 GPIO_D4_SPI_CDTO +/* Output to Monitor 3/4 (0:off, 1:on) */ +#define MCR_OUT12_MON34 GPIO_D5_SPI_CCLK + +/* CPLD Register DATA bits */ +/* Clock Rate Select */ +#define CPLD_CKS0 GPIO_D0 +#define CPLD_CKS1 GPIO_D1_JACKDTC0 +#define CPLD_CKS2 GPIO_D2_JACKDTC1 +/* Sync Source Select (0:Internal, 1:External) */ +#define CPLD_SYNC_SEL GPIO_D3 +/* Word Clock FS Select (0:FS, 1:256FS) */ +#define CPLD_WORD_SEL GPIO_D4_SPI_CDTO +/* Coaxial Output Source (IS-Link) (0:SPDIF, 1:I2S) */ +#define CPLD_COAX_OUT GPIO_D5_SPI_CCLK +/* Input 1/2 Source Select (0:Analog12, 1:An34) */ +#define CPLD_IN12_SEL GPIO_D6_CD +/* Input 3/4 Source Select (0:Analog34, 1:Digital In) */ +#define CPLD_IN34_SEL GPIO_D7_DD + +/* internal clock (CPLD_SYNC_SEL = 0) options */ +#define CPLD_CKS_44100HZ (0) +#define CPLD_CKS_48000HZ (CPLD_CKS0) +#define CPLD_CKS_88200HZ (CPLD_CKS1) +#define CPLD_CKS_96000HZ (CPLD_CKS1 | CPLD_CKS0) +#define CPLD_CKS_176400HZ (CPLD_CKS2) +#define CPLD_CKS_192000HZ (CPLD_CKS2 | CPLD_CKS0) + +#define CPLD_CKS_MASK (CPLD_CKS0 | CPLD_CKS1 | CPLD_CKS2) + +/* external clock (CPLD_SYNC_SEL = 1) options */ +/* external clock - SPDIF */ +#define CPLD_EXT_SPDIF (0 | CPLD_SYNC_SEL) +/* external clock - WordClock 1xfs */ +#define CPLD_EXT_WORDCLOCK_1FS (CPLD_CKS1 | CPLD_SYNC_SEL) +/* external clock - WordClock 256xfs */ +#define CPLD_EXT_WORDCLOCK_256FS (CPLD_CKS1 | CPLD_WORD_SEL |\ + CPLD_SYNC_SEL) + +#define EXT_SPDIF_TYPE 0 +#define EXT_WORDCLOCK_1FS_TYPE 1 +#define EXT_WORDCLOCK_256FS_TYPE 2 + +#define AK4620_DFS0 (1<<0) +#define AK4620_DFS1 (1<<1) +#define AK4620_CKS0 (1<<2) +#define AK4620_CKS1 (1<<3) +/* Clock and Format Control register */ +#define AK4620_DFS_REG 0x02 + +/* Deem and Volume Control register */ +#define AK4620_DEEMVOL_REG 0x03 +#define AK4620_SMUTE (1<<7) + +/* + * Conversion from int value to its binary form. Used for debugging. + * The output buffer must be allocated prior to calling the function. + */ +static char *get_binary(char *buffer, int value) +{ + int i, j, pos; + pos = 0; + for (i = 0; i < 4; ++i) { + for (j = 0; j < 8; ++j) { + if (value & (1 << (31-(i*8 + j)))) + buffer[pos] = '1'; + else + buffer[pos] = '0'; + pos++; + } + if (i < 3) { + buffer[pos] = ' '; + pos++; + } + } + buffer[pos] = '\0'; + return buffer; +} + +/* + * Initial setup of the conversion array GPIO <-> rate + */ +static const unsigned int qtet_rates[] = { + 44100, 48000, 88200, + 96000, 176400, 192000, +}; + +static const unsigned int cks_vals[] = { + CPLD_CKS_44100HZ, CPLD_CKS_48000HZ, CPLD_CKS_88200HZ, + CPLD_CKS_96000HZ, CPLD_CKS_176400HZ, CPLD_CKS_192000HZ, +}; + +static const struct snd_pcm_hw_constraint_list qtet_rates_info = { + .count = ARRAY_SIZE(qtet_rates), + .list = qtet_rates, + .mask = 0, +}; + +static void qtet_ak4113_write(void *private_data, unsigned char reg, + unsigned char val) +{ + snd_vt1724_write_i2c((struct snd_ice1712 *)private_data, AK4113_ADDR, + reg, val); +} + +static unsigned char qtet_ak4113_read(void *private_data, unsigned char reg) +{ + return snd_vt1724_read_i2c((struct snd_ice1712 *)private_data, + AK4113_ADDR, reg); +} + + +/* + * AK4620 section + */ + +/* + * Write data to addr register of ak4620 + */ +static void qtet_akm_write(struct snd_akm4xxx *ak, int chip, + unsigned char addr, unsigned char data) +{ + unsigned int tmp, orig_dir; + int idx; + unsigned int addrdata; + struct snd_ice1712 *ice = ak->private_data[0]; + + if (snd_BUG_ON(chip < 0 || chip >= 4)) + return; + /*dev_dbg(ice->card->dev, "Writing to AK4620: chip=%d, addr=0x%x, + data=0x%x\n", chip, addr, data);*/ + orig_dir = ice->gpio.get_dir(ice); + ice->gpio.set_dir(ice, orig_dir | GPIO_SPI_ALL); + /* set mask - only SPI bits */ + ice->gpio.set_mask(ice, ~GPIO_SPI_ALL); + + tmp = ice->gpio.get_data(ice); + /* high all */ + tmp |= GPIO_SPI_ALL; + ice->gpio.set_data(ice, tmp); + udelay(100); + /* drop chip select */ + if (chip) + /* CODEC 1 */ + tmp &= ~GPIO_SPI_CSN1; + else + tmp &= ~GPIO_SPI_CSN0; + ice->gpio.set_data(ice, tmp); + udelay(100); + + /* build I2C address + data byte */ + addrdata = (AK4620_ADDR << 6) | 0x20 | (addr & 0x1f); + addrdata = (addrdata << 8) | data; + for (idx = 15; idx >= 0; idx--) { + /* drop clock */ + tmp &= ~GPIO_D5_SPI_CCLK; + ice->gpio.set_data(ice, tmp); + udelay(100); + /* set data */ + if (addrdata & (1 << idx)) + tmp |= GPIO_D4_SPI_CDTO; + else + tmp &= ~GPIO_D4_SPI_CDTO; + ice->gpio.set_data(ice, tmp); + udelay(100); + /* raise clock */ + tmp |= GPIO_D5_SPI_CCLK; + ice->gpio.set_data(ice, tmp); + udelay(100); + } + /* all back to 1 */ + tmp |= GPIO_SPI_ALL; + ice->gpio.set_data(ice, tmp); + udelay(100); + + /* return all gpios to non-writable */ + ice->gpio.set_mask(ice, 0xffffff); + /* restore GPIOs direction */ + ice->gpio.set_dir(ice, orig_dir); +} + +static void qtet_akm_set_regs(struct snd_akm4xxx *ak, unsigned char addr, + unsigned char mask, unsigned char value) +{ + unsigned char tmp; + int chip; + for (chip = 0; chip < ak->num_chips; chip++) { + tmp = snd_akm4xxx_get(ak, chip, addr); + /* clear the bits */ + tmp &= ~mask; + /* set the new bits */ + tmp |= value; + snd_akm4xxx_write(ak, chip, addr, tmp); + } +} + +/* + * change the rate of AK4620 + */ +static void qtet_akm_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate) +{ + unsigned char ak4620_dfs; + + if (rate == 0) /* no hint - S/PDIF input is master or the new spdif + input rate undetected, simply return */ + return; + + /* adjust DFS on codecs - see datasheet */ + if (rate > 108000) + ak4620_dfs = AK4620_DFS1 | AK4620_CKS1; + else if (rate > 54000) + ak4620_dfs = AK4620_DFS0 | AK4620_CKS0; + else + ak4620_dfs = 0; + + /* set new value */ + qtet_akm_set_regs(ak, AK4620_DFS_REG, AK4620_DFS0 | AK4620_DFS1 | + AK4620_CKS0 | AK4620_CKS1, ak4620_dfs); +} + +#define AK_CONTROL(xname, xch) { .name = xname, .num_channels = xch } + +#define PCM_12_PLAYBACK_VOLUME "PCM 1/2 Playback Volume" +#define PCM_34_PLAYBACK_VOLUME "PCM 3/4 Playback Volume" +#define PCM_12_CAPTURE_VOLUME "PCM 1/2 Capture Volume" +#define PCM_34_CAPTURE_VOLUME "PCM 3/4 Capture Volume" + +static const struct snd_akm4xxx_dac_channel qtet_dac[] = { + AK_CONTROL(PCM_12_PLAYBACK_VOLUME, 2), + AK_CONTROL(PCM_34_PLAYBACK_VOLUME, 2), +}; + +static const struct snd_akm4xxx_adc_channel qtet_adc[] = { + AK_CONTROL(PCM_12_CAPTURE_VOLUME, 2), + AK_CONTROL(PCM_34_CAPTURE_VOLUME, 2), +}; + +static const struct snd_akm4xxx akm_qtet_dac = { + .type = SND_AK4620, + .num_dacs = 4, /* DAC1 - Output 12 + */ + .num_adcs = 4, /* ADC1 - Input 12 + */ + .ops = { + .write = qtet_akm_write, + .set_rate_val = qtet_akm_set_rate_val, + }, + .dac_info = qtet_dac, + .adc_info = qtet_adc, +}; + +/* Communication routines with the CPLD */ + + +/* Writes data to external register reg, both reg and data are + * GPIO representations */ +static void reg_write(struct snd_ice1712 *ice, unsigned int reg, + unsigned int data) +{ + unsigned int tmp; + + mutex_lock(&ice->gpio_mutex); + /* set direction of used GPIOs*/ + /* all outputs */ + tmp = 0x00ffff; + ice->gpio.set_dir(ice, tmp); + /* mask - writable bits */ + ice->gpio.set_mask(ice, ~(tmp)); + /* write the data */ + tmp = ice->gpio.get_data(ice); + tmp &= ~GPIO_DATA_MASK; + tmp |= data; + ice->gpio.set_data(ice, tmp); + udelay(100); + /* drop output enable */ + tmp &= ~GPIO_EX_GPIOE; + ice->gpio.set_data(ice, tmp); + udelay(100); + /* drop the register gpio */ + tmp &= ~reg; + ice->gpio.set_data(ice, tmp); + udelay(100); + /* raise the register GPIO */ + tmp |= reg; + ice->gpio.set_data(ice, tmp); + udelay(100); + + /* raise all data gpios */ + tmp |= GPIO_DATA_MASK; + ice->gpio.set_data(ice, tmp); + /* mask - immutable bits */ + ice->gpio.set_mask(ice, 0xffffff); + /* outputs only 8-15 */ + ice->gpio.set_dir(ice, 0x00ff00); + mutex_unlock(&ice->gpio_mutex); +} + +static unsigned int get_scr(struct snd_ice1712 *ice) +{ + struct qtet_spec *spec = ice->spec; + return spec->scr; +} + +static unsigned int get_mcr(struct snd_ice1712 *ice) +{ + struct qtet_spec *spec = ice->spec; + return spec->mcr; +} + +static unsigned int get_cpld(struct snd_ice1712 *ice) +{ + struct qtet_spec *spec = ice->spec; + return spec->cpld; +} + +static void set_scr(struct snd_ice1712 *ice, unsigned int val) +{ + struct qtet_spec *spec = ice->spec; + reg_write(ice, GPIO_SCR, val); + spec->scr = val; +} + +static void set_mcr(struct snd_ice1712 *ice, unsigned int val) +{ + struct qtet_spec *spec = ice->spec; + reg_write(ice, GPIO_MCR, val); + spec->mcr = val; +} + +static void set_cpld(struct snd_ice1712 *ice, unsigned int val) +{ + struct qtet_spec *spec = ice->spec; + reg_write(ice, GPIO_CPLD_CSN, val); + spec->cpld = val; +} + +static void proc_regs_read(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) +{ + struct snd_ice1712 *ice = entry->private_data; + char bin_buffer[36]; + + snd_iprintf(buffer, "SCR: %s\n", get_binary(bin_buffer, + get_scr(ice))); + snd_iprintf(buffer, "MCR: %s\n", get_binary(bin_buffer, + get_mcr(ice))); + snd_iprintf(buffer, "CPLD: %s\n", get_binary(bin_buffer, + get_cpld(ice))); +} + +static void proc_init(struct snd_ice1712 *ice) +{ + snd_card_ro_proc_new(ice->card, "quartet", ice, proc_regs_read); +} + +static int qtet_mute_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + unsigned int val; + val = get_scr(ice) & SCR_MUTE; + ucontrol->value.integer.value[0] = (val) ? 0 : 1; + return 0; +} + +static int qtet_mute_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + unsigned int old, new, smute; + old = get_scr(ice) & SCR_MUTE; + if (ucontrol->value.integer.value[0]) { + /* unmute */ + new = 0; + /* un-smuting DAC */ + smute = 0; + } else { + /* mute */ + new = SCR_MUTE; + /* smuting DAC */ + smute = AK4620_SMUTE; + } + if (old != new) { + struct snd_akm4xxx *ak = ice->akm; + set_scr(ice, (get_scr(ice) & ~SCR_MUTE) | new); + /* set smute */ + qtet_akm_set_regs(ak, AK4620_DEEMVOL_REG, AK4620_SMUTE, smute); + return 1; + } + /* no change */ + return 0; +} + +static int qtet_ain12_enum_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts[3] = + {"Line In 1/2", "Mic", "Mic + Low-cut"}; + return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts); +} + +static int qtet_ain12_sw_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + unsigned int val, result; + val = get_scr(ice) & (SCR_AIN12_SEL1 | SCR_AIN12_SEL0); + switch (val) { + case SCR_AIN12_LINE: + result = 0; + break; + case SCR_AIN12_MIC: + result = 1; + break; + case SCR_AIN12_LOWCUT: + result = 2; + break; + default: + /* BUG - no other combinations allowed */ + snd_BUG(); + result = 0; + } + ucontrol->value.integer.value[0] = result; + return 0; +} + +static int qtet_ain12_sw_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + unsigned int old, new, tmp, masked_old; + old = get_scr(ice); + masked_old = old & (SCR_AIN12_SEL1 | SCR_AIN12_SEL0); + tmp = ucontrol->value.integer.value[0]; + if (tmp == 2) + tmp = 3; /* binary 10 is not supported */ + tmp <<= 4; /* shifting to SCR_AIN12_SEL0 */ + if (tmp != masked_old) { + /* change requested */ + switch (tmp) { + case SCR_AIN12_LINE: + new = old & ~(SCR_AIN12_SEL1 | SCR_AIN12_SEL0); + set_scr(ice, new); + /* turn off relay */ + new &= ~SCR_RELAY; + set_scr(ice, new); + break; + case SCR_AIN12_MIC: + /* turn on relay */ + new = old | SCR_RELAY; + set_scr(ice, new); + new = (new & ~SCR_AIN12_SEL1) | SCR_AIN12_SEL0; + set_scr(ice, new); + break; + case SCR_AIN12_LOWCUT: + /* turn on relay */ + new = old | SCR_RELAY; + set_scr(ice, new); + new |= SCR_AIN12_SEL1 | SCR_AIN12_SEL0; + set_scr(ice, new); + break; + default: + snd_BUG(); + } + return 1; + } + /* no change */ + return 0; +} + +static int qtet_php_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + unsigned int val; + /* if phantom voltage =48V, phantom on */ + val = get_scr(ice) & SCR_PHP_V; + ucontrol->value.integer.value[0] = val ? 1 : 0; + return 0; +} + +static int qtet_php_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + unsigned int old, new; + old = new = get_scr(ice); + if (ucontrol->value.integer.value[0] /* phantom on requested */ + && (~old & SCR_PHP_V)) /* 0 = voltage 5V */ { + /* is off, turn on */ + /* turn voltage on first, = 1 */ + new = old | SCR_PHP_V; + set_scr(ice, new); + /* turn phantom on, = 0 */ + new &= ~SCR_PHP; + set_scr(ice, new); + } else if (!ucontrol->value.integer.value[0] && (old & SCR_PHP_V)) { + /* phantom off requested and 1 = voltage 48V */ + /* is on, turn off */ + /* turn voltage off first, = 0 */ + new = old & ~SCR_PHP_V; + set_scr(ice, new); + /* turn phantom off, = 1 */ + new |= SCR_PHP; + set_scr(ice, new); + } + if (old != new) + return 1; + /* no change */ + return 0; +} + +#define PRIV_SW(xid, xbit, xreg) [xid] = {.bit = xbit,\ + .set_register = set_##xreg,\ + .get_register = get_##xreg, } + + +#define PRIV_ENUM2(xid, xbit, xreg, xtext1, xtext2) [xid] = {.bit = xbit,\ + .set_register = set_##xreg,\ + .get_register = get_##xreg,\ + .texts = {xtext1, xtext2} } + +static const struct qtet_kcontrol_private qtet_privates[] = { + PRIV_ENUM2(IN12_SEL, CPLD_IN12_SEL, cpld, "An In 1/2", "An In 3/4"), + PRIV_ENUM2(IN34_SEL, CPLD_IN34_SEL, cpld, "An In 3/4", "IEC958 In"), + PRIV_ENUM2(AIN34_SEL, SCR_AIN34_SEL, scr, "Line In 3/4", "Hi-Z"), + PRIV_ENUM2(COAX_OUT, CPLD_COAX_OUT, cpld, "IEC958", "I2S"), + PRIV_SW(IN12_MON12, MCR_IN12_MON12, mcr), + PRIV_SW(IN12_MON34, MCR_IN12_MON34, mcr), + PRIV_SW(IN34_MON12, MCR_IN34_MON12, mcr), + PRIV_SW(IN34_MON34, MCR_IN34_MON34, mcr), + PRIV_SW(OUT12_MON34, MCR_OUT12_MON34, mcr), + PRIV_SW(OUT34_MON12, MCR_OUT34_MON12, mcr), +}; + +static int qtet_enum_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct qtet_kcontrol_private private = + qtet_privates[kcontrol->private_value]; + return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(private.texts), + private.texts); +} + +static int qtet_sw_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct qtet_kcontrol_private private = + qtet_privates[kcontrol->private_value]; + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + ucontrol->value.integer.value[0] = + (private.get_register(ice) & private.bit) ? 1 : 0; + return 0; +} + +static int qtet_sw_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct qtet_kcontrol_private private = + qtet_privates[kcontrol->private_value]; + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + unsigned int old, new; + old = private.get_register(ice); + if (ucontrol->value.integer.value[0]) + new = old | private.bit; + else + new = old & ~private.bit; + if (old != new) { + private.set_register(ice, new); + return 1; + } + /* no change */ + return 0; +} + +#define qtet_sw_info snd_ctl_boolean_mono_info + +#define QTET_CONTROL(xname, xtype, xpriv) \ + {.iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ + .name = xname,\ + .info = qtet_##xtype##_info,\ + .get = qtet_sw_get,\ + .put = qtet_sw_put,\ + .private_value = xpriv } + +static const struct snd_kcontrol_new qtet_controls[] = { + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Master Playback Switch", + .info = qtet_sw_info, + .get = qtet_mute_get, + .put = qtet_mute_put, + .private_value = 0 + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Phantom Power", + .info = qtet_sw_info, + .get = qtet_php_get, + .put = qtet_php_put, + .private_value = 0 + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Analog In 1/2 Capture Switch", + .info = qtet_ain12_enum_info, + .get = qtet_ain12_sw_get, + .put = qtet_ain12_sw_put, + .private_value = 0 + }, + QTET_CONTROL("Analog In 3/4 Capture Switch", enum, AIN34_SEL), + QTET_CONTROL("PCM In 1/2 Capture Switch", enum, IN12_SEL), + QTET_CONTROL("PCM In 3/4 Capture Switch", enum, IN34_SEL), + QTET_CONTROL("Coax Output Source", enum, COAX_OUT), + QTET_CONTROL("Analog In 1/2 to Monitor 1/2", sw, IN12_MON12), + QTET_CONTROL("Analog In 1/2 to Monitor 3/4", sw, IN12_MON34), + QTET_CONTROL("Analog In 3/4 to Monitor 1/2", sw, IN34_MON12), + QTET_CONTROL("Analog In 3/4 to Monitor 3/4", sw, IN34_MON34), + QTET_CONTROL("Output 1/2 to Monitor 3/4", sw, OUT12_MON34), + QTET_CONTROL("Output 3/4 to Monitor 1/2", sw, OUT34_MON12), +}; + +static const char * const follower_vols[] = { + PCM_12_PLAYBACK_VOLUME, + PCM_34_PLAYBACK_VOLUME, + NULL +}; + +static +DECLARE_TLV_DB_SCALE(qtet_master_db_scale, -6350, 50, 1); + +static int qtet_add_controls(struct snd_ice1712 *ice) +{ + struct qtet_spec *spec = ice->spec; + int err, i; + struct snd_kcontrol *vmaster; + err = snd_ice1712_akm4xxx_build_controls(ice); + if (err < 0) + return err; + for (i = 0; i < ARRAY_SIZE(qtet_controls); i++) { + err = snd_ctl_add(ice->card, + snd_ctl_new1(&qtet_controls[i], ice)); + if (err < 0) + return err; + } + + /* Create virtual master control */ + vmaster = snd_ctl_make_virtual_master("Master Playback Volume", + qtet_master_db_scale); + if (!vmaster) + return -ENOMEM; + err = snd_ctl_add(ice->card, vmaster); + if (err < 0) + return err; + err = snd_ctl_add_followers(ice->card, vmaster, follower_vols); + if (err < 0) + return err; + /* only capture SPDIF over AK4113 */ + return snd_ak4113_build(spec->ak4113, + ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream); +} + +static inline int qtet_is_spdif_master(struct snd_ice1712 *ice) +{ + /* CPLD_SYNC_SEL: 0 = internal, 1 = external (i.e. spdif master) */ + return (get_cpld(ice) & CPLD_SYNC_SEL) ? 1 : 0; +} + +static unsigned int qtet_get_rate(struct snd_ice1712 *ice) +{ + int i; + unsigned char result; + + result = get_cpld(ice) & CPLD_CKS_MASK; + for (i = 0; i < ARRAY_SIZE(cks_vals); i++) + if (cks_vals[i] == result) + return qtet_rates[i]; + return 0; +} + +static int get_cks_val(int rate) +{ + int i; + for (i = 0; i < ARRAY_SIZE(qtet_rates); i++) + if (qtet_rates[i] == rate) + return cks_vals[i]; + return 0; +} + +/* setting new rate */ +static void qtet_set_rate(struct snd_ice1712 *ice, unsigned int rate) +{ + unsigned int new; + unsigned char val; + /* switching ice1724 to external clock - supplied by ext. circuits */ + val = inb(ICEMT1724(ice, RATE)); + outb(val | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE)); + + new = (get_cpld(ice) & ~CPLD_CKS_MASK) | get_cks_val(rate); + /* switch to internal clock, drop CPLD_SYNC_SEL */ + new &= ~CPLD_SYNC_SEL; + /* dev_dbg(ice->card->dev, "QT - set_rate: old %x, new %x\n", + get_cpld(ice), new); */ + set_cpld(ice, new); +} + +static inline unsigned char qtet_set_mclk(struct snd_ice1712 *ice, + unsigned int rate) +{ + /* no change in master clock */ + return 0; +} + +/* setting clock to external - SPDIF */ +static int qtet_set_spdif_clock(struct snd_ice1712 *ice, int type) +{ + unsigned int old, new; + + old = new = get_cpld(ice); + new &= ~(CPLD_CKS_MASK | CPLD_WORD_SEL); + switch (type) { + case EXT_SPDIF_TYPE: + new |= CPLD_EXT_SPDIF; + break; + case EXT_WORDCLOCK_1FS_TYPE: + new |= CPLD_EXT_WORDCLOCK_1FS; + break; + case EXT_WORDCLOCK_256FS_TYPE: + new |= CPLD_EXT_WORDCLOCK_256FS; + break; + default: + snd_BUG(); + } + if (old != new) { + set_cpld(ice, new); + /* changed */ + return 1; + } + return 0; +} + +static int qtet_get_spdif_master_type(struct snd_ice1712 *ice) +{ + unsigned int val; + int result; + val = get_cpld(ice); + /* checking only rate/clock-related bits */ + val &= (CPLD_CKS_MASK | CPLD_WORD_SEL | CPLD_SYNC_SEL); + if (!(val & CPLD_SYNC_SEL)) { + /* switched to internal clock, is not any external type */ + result = -1; + } else { + switch (val) { + case (CPLD_EXT_SPDIF): + result = EXT_SPDIF_TYPE; + break; + case (CPLD_EXT_WORDCLOCK_1FS): + result = EXT_WORDCLOCK_1FS_TYPE; + break; + case (CPLD_EXT_WORDCLOCK_256FS): + result = EXT_WORDCLOCK_256FS_TYPE; + break; + default: + /* undefined combination of external clock setup */ + snd_BUG(); + result = 0; + } + } + return result; +} + +/* Called when ak4113 detects change in the input SPDIF stream */ +static void qtet_ak4113_change(struct ak4113 *ak4113, unsigned char c0, + unsigned char c1) +{ + struct snd_ice1712 *ice = ak4113->change_callback_private; + int rate; + if ((qtet_get_spdif_master_type(ice) == EXT_SPDIF_TYPE) && + c1) { + /* only for SPDIF master mode, rate was changed */ + rate = snd_ak4113_external_rate(ak4113); + /* dev_dbg(ice->card->dev, "ak4113 - input rate changed to %d\n", + rate); */ + qtet_akm_set_rate_val(ice->akm, rate); + } +} + +/* + * If clock slaved to SPDIF-IN, setting runtime rate + * to the detected external rate + */ +static void qtet_spdif_in_open(struct snd_ice1712 *ice, + struct snd_pcm_substream *substream) +{ + struct qtet_spec *spec = ice->spec; + struct snd_pcm_runtime *runtime = substream->runtime; + int rate; + + if (qtet_get_spdif_master_type(ice) != EXT_SPDIF_TYPE) + /* not external SPDIF, no rate limitation */ + return; + /* only external SPDIF can detect incoming sample rate */ + rate = snd_ak4113_external_rate(spec->ak4113); + if (rate >= runtime->hw.rate_min && rate <= runtime->hw.rate_max) { + runtime->hw.rate_min = rate; + runtime->hw.rate_max = rate; + } +} + +/* + * initialize the chip + */ +static int qtet_init(struct snd_ice1712 *ice) +{ + static const unsigned char ak4113_init_vals[] = { + /* AK4113_REG_PWRDN */ AK4113_RST | AK4113_PWN | + AK4113_OCKS0 | AK4113_OCKS1, + /* AK4113_REQ_FORMAT */ AK4113_DIF_I24I2S | AK4113_VTX | + AK4113_DEM_OFF | AK4113_DEAU, + /* AK4113_REG_IO0 */ AK4113_OPS2 | AK4113_TXE | + AK4113_XTL_24_576M, + /* AK4113_REG_IO1 */ AK4113_EFH_1024LRCLK | AK4113_IPS(0), + /* AK4113_REG_INT0_MASK */ 0, + /* AK4113_REG_INT1_MASK */ 0, + /* AK4113_REG_DATDTS */ 0, + }; + int err; + struct qtet_spec *spec; + struct snd_akm4xxx *ak; + unsigned char val; + + /* switching ice1724 to external clock - supplied by ext. circuits */ + val = inb(ICEMT1724(ice, RATE)); + outb(val | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE)); + + spec = kzalloc(sizeof(*spec), GFP_KERNEL); + if (!spec) + return -ENOMEM; + /* qtet is clocked by Xilinx array */ + ice->hw_rates = &qtet_rates_info; + ice->is_spdif_master = qtet_is_spdif_master; + ice->get_rate = qtet_get_rate; + ice->set_rate = qtet_set_rate; + ice->set_mclk = qtet_set_mclk; + ice->set_spdif_clock = qtet_set_spdif_clock; + ice->get_spdif_master_type = qtet_get_spdif_master_type; + ice->ext_clock_names = ext_clock_names; + ice->ext_clock_count = ARRAY_SIZE(ext_clock_names); + /* since Qtet can detect correct SPDIF-in rate, all streams can be + * limited to this specific rate */ + ice->spdif.ops.open = ice->pro_open = qtet_spdif_in_open; + ice->spec = spec; + + /* Mute Off */ + /* SCR Initialize*/ + /* keep codec power down first */ + set_scr(ice, SCR_PHP); + udelay(1); + /* codec power up */ + set_scr(ice, SCR_PHP | SCR_CODEC_PDN); + + /* MCR Initialize */ + set_mcr(ice, 0); + + /* CPLD Initialize */ + set_cpld(ice, 0); + + + ice->num_total_dacs = 2; + ice->num_total_adcs = 2; + + ice->akm = kcalloc(2, sizeof(struct snd_akm4xxx), GFP_KERNEL); + ak = ice->akm; + if (!ak) + return -ENOMEM; + /* only one codec with two chips */ + ice->akm_codecs = 1; + err = snd_ice1712_akm4xxx_init(ak, &akm_qtet_dac, NULL, ice); + if (err < 0) + return err; + err = snd_ak4113_create(ice->card, + qtet_ak4113_read, + qtet_ak4113_write, + ak4113_init_vals, + ice, &spec->ak4113); + if (err < 0) + return err; + /* callback for codecs rate setting */ + spec->ak4113->change_callback = qtet_ak4113_change; + spec->ak4113->change_callback_private = ice; + /* AK41143 in Quartet can detect external rate correctly + * (i.e. check_flags = 0) */ + spec->ak4113->check_flags = 0; + + proc_init(ice); + + qtet_set_rate(ice, 44100); + return 0; +} + +static const unsigned char qtet_eeprom[] = { + [ICE_EEP2_SYSCONF] = 0x28, /* clock 256(24MHz), mpu401, 1xADC, + 1xDACs, SPDIF in */ + [ICE_EEP2_ACLINK] = 0x80, /* I2S */ + [ICE_EEP2_I2S] = 0x78, /* 96k, 24bit, 192k */ + [ICE_EEP2_SPDIF] = 0xc3, /* out-en, out-int, in, out-ext */ + [ICE_EEP2_GPIO_DIR] = 0x00, /* 0-7 inputs, switched to output + only during output operations */ + [ICE_EEP2_GPIO_DIR1] = 0xff, /* 8-15 outputs */ + [ICE_EEP2_GPIO_DIR2] = 0x00, + [ICE_EEP2_GPIO_MASK] = 0xff, /* changed only for OUT operations */ + [ICE_EEP2_GPIO_MASK1] = 0x00, + [ICE_EEP2_GPIO_MASK2] = 0xff, + + [ICE_EEP2_GPIO_STATE] = 0x00, /* inputs */ + [ICE_EEP2_GPIO_STATE1] = 0x7d, /* all 1, but GPIO_CPLD_RW + and GPIO15 always zero */ + [ICE_EEP2_GPIO_STATE2] = 0x00, /* inputs */ +}; + +/* entry point */ +struct snd_ice1712_card_info snd_vt1724_qtet_cards[] = { + { + .subvendor = VT1724_SUBDEVICE_QTET, + .name = "Infrasonic Quartet", + .model = "quartet", + .chip_init = qtet_init, + .build_controls = qtet_add_controls, + .eeprom_size = sizeof(qtet_eeprom), + .eeprom_data = qtet_eeprom, + }, + { } /* terminator */ +}; |