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linux_dsm_epyc7002/sound/pci/ice1712/psc724.c
Thomas Gleixner 1a59d1b8e0 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1334 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:35 -07:00

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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* ALSA driver for ICEnsemble VT1724 (Envy24HT)
*
* Lowlevel functions for Philips PSC724 Ultimate Edge
*
* Copyright (c) 2012 Ondrej Zary <linux@rainbow-software.org>
*/
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <sound/core.h>
#include "ice1712.h"
#include "envy24ht.h"
#include "psc724.h"
#include "wm8766.h"
#include "wm8776.h"
struct psc724_spec {
struct snd_wm8766 wm8766;
struct snd_wm8776 wm8776;
bool mute_all, jack_detect;
struct snd_ice1712 *ice;
struct delayed_work hp_work;
bool hp_connected;
};
/****************************************************************************/
/* PHILIPS PSC724 ULTIMATE EDGE */
/****************************************************************************/
/*
* VT1722 (Envy24GT) - 6 outputs, 4 inputs (only 2 used), 24-bit/96kHz
*
* system configuration ICE_EEP2_SYSCONF=0x42
* XIN1 49.152MHz
* no MPU401
* one stereo ADC, no S/PDIF receiver
* three stereo DACs (FRONT, REAR, CENTER+LFE)
*
* AC-Link configuration ICE_EEP2_ACLINK=0x80
* use I2S, not AC97
*
* I2S converters feature ICE_EEP2_I2S=0x30
* I2S codec has no volume/mute control feature (bug!)
* I2S codec does not support 96KHz or 192KHz (bug!)
* I2S codec 24bits
*
* S/PDIF configuration ICE_EEP2_SPDIF=0xc1
* Enable integrated S/PDIF transmitter
* internal S/PDIF out implemented
* No S/PDIF input
* External S/PDIF out implemented
*
*
* ** connected chips **
*
* WM8776
* 2-channel DAC used for main output and stereo ADC (with 10-channel MUX)
* AIN1: LINE IN, AIN2: CD/VIDEO, AIN3: AUX, AIN4: Front MIC, AIN5: Rear MIC
* Controlled by I2C using VT1722 I2C interface:
* MODE (pin16) -- GND
* CE (pin17) -- GND I2C mode (address=0x34)
* DI (pin18) -- SDA (VT1722 pin70)
* CL (pin19) -- SCLK (VT1722 pin71)
*
* WM8766
* 6-channel DAC used for rear & center/LFE outputs (only 4 channels used)
* Controlled by SPI using VT1722 GPIO pins:
* MODE (pin 1) -- GPIO19 (VT1722 pin99)
* ML/I2S (pin11) -- GPIO18 (VT1722 pin98)
* MC/IWL (pin12) -- GPIO17 (VT1722 pin97)
* MD/DM (pin13) -- GPIO16 (VT1722 pin96)
* MUTE (pin14) -- GPIO20 (VT1722 pin101)
*
* GPIO14 is used as input for headphone jack detection (1 = connected)
* GPIO22 is used as MUTE ALL output, grounding all 6 channels
*
* ** output pins and device names **
*
* 5.1ch name -- output connector color -- device (-D option)
*
* FRONT 2ch -- green -- plughw:0,0
* CENTER(Lch) SUBWOOFER(Rch) -- orange -- plughw:0,2,0
* REAR 2ch -- black -- plughw:0,2,1
*/
/* codec access low-level functions */
#define GPIO_HP_JACK (1 << 14)
#define GPIO_MUTE_SUR (1 << 20)
#define GPIO_MUTE_ALL (1 << 22)
#define JACK_INTERVAL 1000
#define PSC724_SPI_DELAY 1
#define PSC724_SPI_DATA (1 << 16)
#define PSC724_SPI_CLK (1 << 17)
#define PSC724_SPI_LOAD (1 << 18)
#define PSC724_SPI_MASK (PSC724_SPI_DATA | PSC724_SPI_CLK | PSC724_SPI_LOAD)
static void psc724_wm8766_write(struct snd_wm8766 *wm, u16 addr, u16 data)
{
struct psc724_spec *spec = container_of(wm, struct psc724_spec, wm8766);
struct snd_ice1712 *ice = spec->ice;
u32 st, bits;
int i;
snd_ice1712_save_gpio_status(ice);
st = ((addr & 0x7f) << 9) | (data & 0x1ff);
snd_ice1712_gpio_set_dir(ice, ice->gpio.direction | PSC724_SPI_MASK);
snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask & ~PSC724_SPI_MASK);
bits = snd_ice1712_gpio_read(ice) & ~PSC724_SPI_MASK;
snd_ice1712_gpio_write(ice, bits);
for (i = 0; i < 16; i++) {
udelay(PSC724_SPI_DELAY);
bits &= ~PSC724_SPI_CLK;
/* MSB first */
st <<= 1;
if (st & 0x10000)
bits |= PSC724_SPI_DATA;
else
bits &= ~PSC724_SPI_DATA;
snd_ice1712_gpio_write(ice, bits);
/* CLOCK high */
udelay(PSC724_SPI_DELAY);
bits |= PSC724_SPI_CLK;
snd_ice1712_gpio_write(ice, bits);
}
/* LOAD high */
udelay(PSC724_SPI_DELAY);
bits |= PSC724_SPI_LOAD;
snd_ice1712_gpio_write(ice, bits);
/* LOAD low, DATA and CLOCK high */
udelay(PSC724_SPI_DELAY);
bits |= (PSC724_SPI_DATA | PSC724_SPI_CLK);
snd_ice1712_gpio_write(ice, bits);
snd_ice1712_restore_gpio_status(ice);
}
static void psc724_wm8776_write(struct snd_wm8776 *wm, u8 addr, u8 data)
{
struct psc724_spec *spec = container_of(wm, struct psc724_spec, wm8776);
snd_vt1724_write_i2c(spec->ice, 0x34, addr, data);
}
/* mute all */
static void psc724_set_master_switch(struct snd_ice1712 *ice, bool on)
{
unsigned int bits = snd_ice1712_gpio_read(ice);
struct psc724_spec *spec = ice->spec;
spec->mute_all = !on;
if (on)
bits &= ~(GPIO_MUTE_ALL | GPIO_MUTE_SUR);
else
bits |= GPIO_MUTE_ALL | GPIO_MUTE_SUR;
snd_ice1712_gpio_write(ice, bits);
}
static bool psc724_get_master_switch(struct snd_ice1712 *ice)
{
struct psc724_spec *spec = ice->spec;
return !spec->mute_all;
}
/* jack detection */
static void psc724_set_jack_state(struct snd_ice1712 *ice, bool hp_connected)
{
struct psc724_spec *spec = ice->spec;
struct snd_ctl_elem_id elem_id;
struct snd_kcontrol *kctl;
u16 power = spec->wm8776.regs[WM8776_REG_PWRDOWN] & ~WM8776_PWR_HPPD;
psc724_set_master_switch(ice, !hp_connected);
if (!hp_connected)
power |= WM8776_PWR_HPPD;
snd_wm8776_set_power(&spec->wm8776, power);
spec->hp_connected = hp_connected;
/* notify about master speaker mute change */
memset(&elem_id, 0, sizeof(elem_id));
elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
strlcpy(elem_id.name, "Master Speakers Playback Switch",
sizeof(elem_id.name));
kctl = snd_ctl_find_id(ice->card, &elem_id);
snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
/* and headphone mute change */
strlcpy(elem_id.name, spec->wm8776.ctl[WM8776_CTL_HP_SW].name,
sizeof(elem_id.name));
kctl = snd_ctl_find_id(ice->card, &elem_id);
snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
}
static void psc724_update_hp_jack_state(struct work_struct *work)
{
struct psc724_spec *spec = container_of(work, struct psc724_spec,
hp_work.work);
struct snd_ice1712 *ice = spec->ice;
bool hp_connected = snd_ice1712_gpio_read(ice) & GPIO_HP_JACK;
schedule_delayed_work(&spec->hp_work, msecs_to_jiffies(JACK_INTERVAL));
if (hp_connected == spec->hp_connected)
return;
psc724_set_jack_state(ice, hp_connected);
}
static void psc724_set_jack_detection(struct snd_ice1712 *ice, bool on)
{
struct psc724_spec *spec = ice->spec;
if (spec->jack_detect == on)
return;
spec->jack_detect = on;
if (on) {
bool hp_connected = snd_ice1712_gpio_read(ice) & GPIO_HP_JACK;
psc724_set_jack_state(ice, hp_connected);
schedule_delayed_work(&spec->hp_work,
msecs_to_jiffies(JACK_INTERVAL));
} else
cancel_delayed_work_sync(&spec->hp_work);
}
static bool psc724_get_jack_detection(struct snd_ice1712 *ice)
{
struct psc724_spec *spec = ice->spec;
return spec->jack_detect;
}
/* mixer controls */
struct psc724_control {
const char *name;
void (*set)(struct snd_ice1712 *ice, bool on);
bool (*get)(struct snd_ice1712 *ice);
};
static const struct psc724_control psc724_cont[] = {
{
.name = "Master Speakers Playback Switch",
.set = psc724_set_master_switch,
.get = psc724_get_master_switch,
},
{
.name = "Headphone Jack Detection Playback Switch",
.set = psc724_set_jack_detection,
.get = psc724_get_jack_detection,
},
};
static int psc724_ctl_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
int n = kcontrol->private_value;
ucontrol->value.integer.value[0] = psc724_cont[n].get(ice);
return 0;
}
static int psc724_ctl_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
int n = kcontrol->private_value;
psc724_cont[n].set(ice, ucontrol->value.integer.value[0]);
return 0;
}
static const char *front_volume = "Front Playback Volume";
static const char *front_switch = "Front Playback Switch";
static const char *front_zc = "Front Zero Cross Detect Playback Switch";
static const char *front_izd = "Front Infinite Zero Detect Playback Switch";
static const char *front_phase = "Front Phase Invert Playback Switch";
static const char *front_deemph = "Front Deemphasis Playback Switch";
static const char *ain1_switch = "Line Capture Switch";
static const char *ain2_switch = "CD Capture Switch";
static const char *ain3_switch = "AUX Capture Switch";
static const char *ain4_switch = "Front Mic Capture Switch";
static const char *ain5_switch = "Rear Mic Capture Switch";
static const char *rear_volume = "Surround Playback Volume";
static const char *clfe_volume = "CLFE Playback Volume";
static const char *rear_switch = "Surround Playback Switch";
static const char *clfe_switch = "CLFE Playback Switch";
static const char *rear_phase = "Surround Phase Invert Playback Switch";
static const char *clfe_phase = "CLFE Phase Invert Playback Switch";
static const char *rear_deemph = "Surround Deemphasis Playback Switch";
static const char *clfe_deemph = "CLFE Deemphasis Playback Switch";
static const char *rear_clfe_izd = "Rear Infinite Zero Detect Playback Switch";
static const char *rear_clfe_zc = "Rear Zero Cross Detect Playback Switch";
static int psc724_add_controls(struct snd_ice1712 *ice)
{
struct snd_kcontrol_new cont;
struct snd_kcontrol *ctl;
int err, i;
struct psc724_spec *spec = ice->spec;
spec->wm8776.ctl[WM8776_CTL_DAC_VOL].name = front_volume;
spec->wm8776.ctl[WM8776_CTL_DAC_SW].name = front_switch;
spec->wm8776.ctl[WM8776_CTL_DAC_ZC_SW].name = front_zc;
spec->wm8776.ctl[WM8776_CTL_AUX_SW].name = NULL;
spec->wm8776.ctl[WM8776_CTL_DAC_IZD_SW].name = front_izd;
spec->wm8776.ctl[WM8776_CTL_PHASE_SW].name = front_phase;
spec->wm8776.ctl[WM8776_CTL_DEEMPH_SW].name = front_deemph;
spec->wm8776.ctl[WM8776_CTL_INPUT1_SW].name = ain1_switch;
spec->wm8776.ctl[WM8776_CTL_INPUT2_SW].name = ain2_switch;
spec->wm8776.ctl[WM8776_CTL_INPUT3_SW].name = ain3_switch;
spec->wm8776.ctl[WM8776_CTL_INPUT4_SW].name = ain4_switch;
spec->wm8776.ctl[WM8776_CTL_INPUT5_SW].name = ain5_switch;
snd_wm8776_build_controls(&spec->wm8776);
spec->wm8766.ctl[WM8766_CTL_CH1_VOL].name = rear_volume;
spec->wm8766.ctl[WM8766_CTL_CH2_VOL].name = clfe_volume;
spec->wm8766.ctl[WM8766_CTL_CH3_VOL].name = NULL;
spec->wm8766.ctl[WM8766_CTL_CH1_SW].name = rear_switch;
spec->wm8766.ctl[WM8766_CTL_CH2_SW].name = clfe_switch;
spec->wm8766.ctl[WM8766_CTL_CH3_SW].name = NULL;
spec->wm8766.ctl[WM8766_CTL_PHASE1_SW].name = rear_phase;
spec->wm8766.ctl[WM8766_CTL_PHASE2_SW].name = clfe_phase;
spec->wm8766.ctl[WM8766_CTL_PHASE3_SW].name = NULL;
spec->wm8766.ctl[WM8766_CTL_DEEMPH1_SW].name = rear_deemph;
spec->wm8766.ctl[WM8766_CTL_DEEMPH2_SW].name = clfe_deemph;
spec->wm8766.ctl[WM8766_CTL_DEEMPH3_SW].name = NULL;
spec->wm8766.ctl[WM8766_CTL_IZD_SW].name = rear_clfe_izd;
spec->wm8766.ctl[WM8766_CTL_ZC_SW].name = rear_clfe_zc;
snd_wm8766_build_controls(&spec->wm8766);
memset(&cont, 0, sizeof(cont));
cont.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
for (i = 0; i < ARRAY_SIZE(psc724_cont); i++) {
cont.private_value = i;
cont.name = psc724_cont[i].name;
cont.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
cont.info = snd_ctl_boolean_mono_info;
cont.get = psc724_ctl_get;
cont.put = psc724_ctl_put;
ctl = snd_ctl_new1(&cont, ice);
if (!ctl)
return -ENOMEM;
err = snd_ctl_add(ice->card, ctl);
if (err < 0)
return err;
}
return 0;
}
static void psc724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate)
{
struct psc724_spec *spec = ice->spec;
/* restore codec volume settings after rate change (PMCLK stop) */
snd_wm8776_volume_restore(&spec->wm8776);
snd_wm8766_volume_restore(&spec->wm8766);
}
/* power management */
#ifdef CONFIG_PM_SLEEP
static int psc724_resume(struct snd_ice1712 *ice)
{
struct psc724_spec *spec = ice->spec;
snd_wm8776_resume(&spec->wm8776);
snd_wm8766_resume(&spec->wm8766);
return 0;
}
#endif
/* init */
static int psc724_init(struct snd_ice1712 *ice)
{
struct psc724_spec *spec;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (!spec)
return -ENOMEM;
ice->spec = spec;
spec->ice = ice;
ice->num_total_dacs = 6;
ice->num_total_adcs = 2;
spec->wm8776.ops.write = psc724_wm8776_write;
spec->wm8776.card = ice->card;
snd_wm8776_init(&spec->wm8776);
spec->wm8766.ops.write = psc724_wm8766_write;
spec->wm8766.card = ice->card;
#ifdef CONFIG_PM_SLEEP
ice->pm_resume = psc724_resume;
ice->pm_suspend_enabled = 1;
#endif
snd_wm8766_init(&spec->wm8766);
snd_wm8766_set_if(&spec->wm8766,
WM8766_IF_FMT_I2S | WM8766_IF_IWL_24BIT);
ice->gpio.set_pro_rate = psc724_set_pro_rate;
INIT_DELAYED_WORK(&spec->hp_work, psc724_update_hp_jack_state);
psc724_set_jack_detection(ice, true);
return 0;
}
static void psc724_exit(struct snd_ice1712 *ice)
{
struct psc724_spec *spec = ice->spec;
cancel_delayed_work_sync(&spec->hp_work);
}
/* PSC724 has buggy EEPROM (no 96&192kHz, all FFh GPIOs), so override it here */
static unsigned char psc724_eeprom[] = {
[ICE_EEP2_SYSCONF] = 0x42, /* 49.152MHz, 1 ADC, 3 DACs */
[ICE_EEP2_ACLINK] = 0x80, /* I2S */
[ICE_EEP2_I2S] = 0xf0, /* I2S volume, 96kHz, 24bit */
[ICE_EEP2_SPDIF] = 0xc1, /* spdif out-en, out-int, no input */
/* GPIO outputs */
[ICE_EEP2_GPIO_DIR2] = 0x5f, /* MUTE_ALL,WM8766 MUTE/MODE/ML/MC/MD */
/* GPIO write enable */
[ICE_EEP2_GPIO_MASK] = 0xff, /* read-only */
[ICE_EEP2_GPIO_MASK1] = 0xff, /* read-only */
[ICE_EEP2_GPIO_MASK2] = 0xa0, /* MUTE_ALL,WM8766 MUTE/MODE/ML/MC/MD */
/* GPIO initial state */
[ICE_EEP2_GPIO_STATE2] = 0x20, /* unmuted, all WM8766 pins low */
};
struct snd_ice1712_card_info snd_vt1724_psc724_cards[] = {
{
.subvendor = VT1724_SUBDEVICE_PSC724,
.name = "Philips PSC724 Ultimate Edge",
.model = "psc724",
.chip_init = psc724_init,
.chip_exit = psc724_exit,
.build_controls = psc724_add_controls,
.eeprom_size = sizeof(psc724_eeprom),
.eeprom_data = psc724_eeprom,
},
{} /*terminator*/
};
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