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