--- /dev/null
+/*
+ * ALSA driver for ICEnsemble VT1724 (Envy24HT)
+ *
+ * Lowlevel functions for Philips PSC724 Ultimate Edge
+ *
+ * Copyright (c) 2012 Ondrej Zary <linux@rainbow-software.org>
+ *
+ * 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/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;
+ strncpy(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 */
+ strncpy(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 {
+ 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 char *front_volume = "Front Playback Volume";
+static char *front_switch = "Front Playback Switch";
+static char *front_zc = "Front Zero Cross Detect Playback Switch";
+static char *front_izd = "Front Infinite Zero Detect Playback Switch";
+static char *front_phase = "Front Phase Invert Playback Switch";
+static char *front_deemph = "Front Deemphasis Playback Switch";
+static char *ain1_switch = "Line Capture Switch";
+static char *ain2_switch = "CD Capture Switch";
+static char *ain3_switch = "AUX Capture Switch";
+static char *ain4_switch = "Front Mic Capture Switch";
+static char *ain5_switch = "Rear Mic Capture Switch";
+static char *rear_volume = "Surround Playback Volume";
+static char *clfe_volume = "CLFE Playback Volume";
+static char *rear_switch = "Surround Playback Switch";
+static char *clfe_switch = "CLFE Playback Switch";
+static char *rear_phase = "Surround Phase Invert Playback Switch";
+static char *clfe_phase = "CLFE Phase Invert Playback Switch";
+static char *rear_deemph = "Surround Deemphasis Playback Switch";
+static char *clfe_deemph = "CLFE Deemphasis Playback Switch";
+static char *rear_clfe_izd = "Rear Infinite Zero Detect Playback Switch";
+static char *rear_clfe_zc = "Rear Zero Cross Detect Playback Switch";
+
+static int __devinit 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
+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 __devinit 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
+ 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[] __devinitdata = {
+ [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[] __devinitdata = {
+ {
+ .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*/
+};
projects / platform / kernel / linux-stable.git / commitdiff