--- /dev/null
+/*
+ * ALSA driver for ICEnsemble VT1724 (Envy24HT)
+ *
+ * Lowlevel functions for Pontis MS300
+ *
+ * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
+ *
+ * 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 <linux/mutex.h>
+
+#include <sound/core.h>
+#include <sound/info.h>
+#include <sound/tlv.h>
+
+#include "ice1712.h"
+#include "envy24ht.h"
+#include "pontis.h"
+
+/* I2C addresses */
+#define WM_DEV 0x34
+#define CS_DEV 0x20
+
+/* WM8776 registers */
+#define WM_HP_ATTEN_L 0x00 /* headphone left attenuation */
+#define WM_HP_ATTEN_R 0x01 /* headphone left attenuation */
+#define WM_HP_MASTER 0x02 /* headphone master (both channels) */
+ /* override LLR */
+#define WM_DAC_ATTEN_L 0x03 /* digital left attenuation */
+#define WM_DAC_ATTEN_R 0x04
+#define WM_DAC_MASTER 0x05
+#define WM_PHASE_SWAP 0x06 /* DAC phase swap */
+#define WM_DAC_CTRL1 0x07
+#define WM_DAC_MUTE 0x08
+#define WM_DAC_CTRL2 0x09
+#define WM_DAC_INT 0x0a
+#define WM_ADC_INT 0x0b
+#define WM_MASTER_CTRL 0x0c
+#define WM_POWERDOWN 0x0d
+#define WM_ADC_ATTEN_L 0x0e
+#define WM_ADC_ATTEN_R 0x0f
+#define WM_ALC_CTRL1 0x10
+#define WM_ALC_CTRL2 0x11
+#define WM_ALC_CTRL3 0x12
+#define WM_NOISE_GATE 0x13
+#define WM_LIMITER 0x14
+#define WM_ADC_MUX 0x15
+#define WM_OUT_MUX 0x16
+#define WM_RESET 0x17
+
+/*
+ * GPIO
+ */
+#define PONTIS_CS_CS (1<<4) /* CS */
+#define PONTIS_CS_CLK (1<<5) /* CLK */
+#define PONTIS_CS_RDATA (1<<6) /* CS8416 -> VT1720 */
+#define PONTIS_CS_WDATA (1<<7) /* VT1720 -> CS8416 */
+
+
+/*
+ * get the current register value of WM codec
+ */
+static unsigned short wm_get(struct snd_ice1712 *ice, int reg)
+{
+ reg <<= 1;
+ return ((unsigned short)ice->akm[0].images[reg] << 8) |
+ ice->akm[0].images[reg + 1];
+}
+
+/*
+ * set the register value of WM codec and remember it
+ */
+static void wm_put_nocache(struct snd_ice1712 *ice, int reg, unsigned short val)
+{
+ unsigned short cval;
+ cval = (reg << 9) | val;
+ snd_vt1724_write_i2c(ice, WM_DEV, cval >> 8, cval & 0xff);
+}
+
+static void wm_put(struct snd_ice1712 *ice, int reg, unsigned short val)
+{
+ wm_put_nocache(ice, reg, val);
+ reg <<= 1;
+ ice->akm[0].images[reg] = val >> 8;
+ ice->akm[0].images[reg + 1] = val;
+}
+
+/*
+ * DAC volume attenuation mixer control (-64dB to 0dB)
+ */
+
+#define DAC_0dB 0xff
+#define DAC_RES 128
+#define DAC_MIN (DAC_0dB - DAC_RES)
+
+static int wm_dac_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; /* mute */
+ uinfo->value.integer.max = DAC_RES; /* 0dB, 0.5dB step */
+ return 0;
+}
+
+static int wm_dac_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+ unsigned short val;
+ int i;
+
+ mutex_lock(&ice->gpio_mutex);
+ for (i = 0; i < 2; i++) {
+ val = wm_get(ice, WM_DAC_ATTEN_L + i) & 0xff;
+ val = val > DAC_MIN ? (val - DAC_MIN) : 0;
+ ucontrol->value.integer.value[i] = val;
+ }
+ mutex_unlock(&ice->gpio_mutex);
+ return 0;
+}
+
+static int wm_dac_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+ unsigned short oval, nval;
+ int i, idx, change = 0;
+
+ mutex_lock(&ice->gpio_mutex);
+ for (i = 0; i < 2; i++) {
+ nval = ucontrol->value.integer.value[i];
+ nval = (nval ? (nval + DAC_MIN) : 0) & 0xff;
+ idx = WM_DAC_ATTEN_L + i;
+ oval = wm_get(ice, idx) & 0xff;
+ if (oval != nval) {
+ wm_put(ice, idx, nval);
+ wm_put_nocache(ice, idx, nval | 0x100);
+ change = 1;
+ }
+ }
+ mutex_unlock(&ice->gpio_mutex);
+ return change;
+}
+
+/*
+ * ADC gain mixer control (-64dB to 0dB)
+ */
+
+#define ADC_0dB 0xcf
+#define ADC_RES 128
+#define ADC_MIN (ADC_0dB - ADC_RES)
+
+static int wm_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; /* mute (-64dB) */
+ uinfo->value.integer.max = ADC_RES; /* 0dB, 0.5dB step */
+ return 0;
+}
+
+static int wm_adc_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+ unsigned short val;
+ int i;
+
+ mutex_lock(&ice->gpio_mutex);
+ for (i = 0; i < 2; i++) {
+ val = wm_get(ice, WM_ADC_ATTEN_L + i) & 0xff;
+ val = val > ADC_MIN ? (val - ADC_MIN) : 0;
+ ucontrol->value.integer.value[i] = val;
+ }
+ mutex_unlock(&ice->gpio_mutex);
+ return 0;
+}
+
+static int wm_adc_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+ unsigned short ovol, nvol;
+ int i, idx, change = 0;
+
+ mutex_lock(&ice->gpio_mutex);
+ for (i = 0; i < 2; i++) {
+ nvol = ucontrol->value.integer.value[i];
+ nvol = nvol ? (nvol + ADC_MIN) : 0;
+ idx = WM_ADC_ATTEN_L + i;
+ ovol = wm_get(ice, idx) & 0xff;
+ if (ovol != nvol) {
+ wm_put(ice, idx, nvol);
+ change = 1;
+ }
+ }
+ mutex_unlock(&ice->gpio_mutex);
+ return change;
+}
+
+/*
+ * ADC input mux mixer control
+ */
+#define wm_adc_mux_info snd_ctl_boolean_mono_info
+
+static int wm_adc_mux_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+ int bit = kcontrol->private_value;
+
+ mutex_lock(&ice->gpio_mutex);
+ ucontrol->value.integer.value[0] = (wm_get(ice, WM_ADC_MUX) & (1 << bit)) ? 1 : 0;
+ mutex_unlock(&ice->gpio_mutex);
+ return 0;
+}
+
+static int wm_adc_mux_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+ int bit = kcontrol->private_value;
+ unsigned short oval, nval;
+ int change;
+
+ mutex_lock(&ice->gpio_mutex);
+ nval = oval = wm_get(ice, WM_ADC_MUX);
+ if (ucontrol->value.integer.value[0])
+ nval |= (1 << bit);
+ else
+ nval &= ~(1 << bit);
+ change = nval != oval;
+ if (change) {
+ wm_put(ice, WM_ADC_MUX, nval);
+ }
+ mutex_unlock(&ice->gpio_mutex);
+ return change;
+}
+
+/*
+ * Analog bypass (In -> Out)
+ */
+#define wm_bypass_info snd_ctl_boolean_mono_info
+
+static int wm_bypass_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+
+ mutex_lock(&ice->gpio_mutex);
+ ucontrol->value.integer.value[0] = (wm_get(ice, WM_OUT_MUX) & 0x04) ? 1 : 0;
+ mutex_unlock(&ice->gpio_mutex);
+ return 0;
+}
+
+static int wm_bypass_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+ unsigned short val, oval;
+ int change = 0;
+
+ mutex_lock(&ice->gpio_mutex);
+ val = oval = wm_get(ice, WM_OUT_MUX);
+ if (ucontrol->value.integer.value[0])
+ val |= 0x04;
+ else
+ val &= ~0x04;
+ if (val != oval) {
+ wm_put(ice, WM_OUT_MUX, val);
+ change = 1;
+ }
+ mutex_unlock(&ice->gpio_mutex);
+ return change;
+}
+
+/*
+ * Left/Right swap
+ */
+#define wm_chswap_info snd_ctl_boolean_mono_info
+
+static int wm_chswap_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+
+ mutex_lock(&ice->gpio_mutex);
+ ucontrol->value.integer.value[0] = (wm_get(ice, WM_DAC_CTRL1) & 0xf0) != 0x90;
+ mutex_unlock(&ice->gpio_mutex);
+ return 0;
+}
+
+static int wm_chswap_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+ unsigned short val, oval;
+ int change = 0;
+
+ mutex_lock(&ice->gpio_mutex);
+ oval = wm_get(ice, WM_DAC_CTRL1);
+ val = oval & 0x0f;
+ if (ucontrol->value.integer.value[0])
+ val |= 0x60;
+ else
+ val |= 0x90;
+ if (val != oval) {
+ wm_put(ice, WM_DAC_CTRL1, val);
+ wm_put_nocache(ice, WM_DAC_CTRL1, val);
+ change = 1;
+ }
+ mutex_unlock(&ice->gpio_mutex);
+ return change;
+}
+
+/*
+ * write data in the SPI mode
+ */
+static void set_gpio_bit(struct snd_ice1712 *ice, unsigned int bit, int val)
+{
+ unsigned int tmp = snd_ice1712_gpio_read(ice);
+ if (val)
+ tmp |= bit;
+ else
+ tmp &= ~bit;
+ snd_ice1712_gpio_write(ice, tmp);
+}
+
+static void spi_send_byte(struct snd_ice1712 *ice, unsigned char data)
+{
+ int i;
+ for (i = 0; i < 8; i++) {
+ set_gpio_bit(ice, PONTIS_CS_CLK, 0);
+ udelay(1);
+ set_gpio_bit(ice, PONTIS_CS_WDATA, data & 0x80);
+ udelay(1);
+ set_gpio_bit(ice, PONTIS_CS_CLK, 1);
+ udelay(1);
+ data <<= 1;
+ }
+}
+
+static unsigned int spi_read_byte(struct snd_ice1712 *ice)
+{
+ int i;
+ unsigned int val = 0;
+
+ for (i = 0; i < 8; i++) {
+ val <<= 1;
+ set_gpio_bit(ice, PONTIS_CS_CLK, 0);
+ udelay(1);
+ if (snd_ice1712_gpio_read(ice) & PONTIS_CS_RDATA)
+ val |= 1;
+ udelay(1);
+ set_gpio_bit(ice, PONTIS_CS_CLK, 1);
+ udelay(1);
+ }
+ return val;
+}
+
+
+static void spi_write(struct snd_ice1712 *ice, unsigned int dev, unsigned int reg, unsigned int data)
+{
+ snd_ice1712_gpio_set_dir(ice, PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK);
+ snd_ice1712_gpio_set_mask(ice, ~(PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK));
+ set_gpio_bit(ice, PONTIS_CS_CS, 0);
+ spi_send_byte(ice, dev & ~1); /* WRITE */
+ spi_send_byte(ice, reg); /* MAP */
+ spi_send_byte(ice, data); /* DATA */
+ /* trigger */
+ set_gpio_bit(ice, PONTIS_CS_CS, 1);
+ udelay(1);
+ /* restore */
+ snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
+ snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
+}
+
+static unsigned int spi_read(struct snd_ice1712 *ice, unsigned int dev, unsigned int reg)
+{
+ unsigned int val;
+ snd_ice1712_gpio_set_dir(ice, PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK);
+ snd_ice1712_gpio_set_mask(ice, ~(PONTIS_CS_CS|PONTIS_CS_WDATA|PONTIS_CS_CLK));
+ set_gpio_bit(ice, PONTIS_CS_CS, 0);
+ spi_send_byte(ice, dev & ~1); /* WRITE */
+ spi_send_byte(ice, reg); /* MAP */
+ /* trigger */
+ set_gpio_bit(ice, PONTIS_CS_CS, 1);
+ udelay(1);
+ set_gpio_bit(ice, PONTIS_CS_CS, 0);
+ spi_send_byte(ice, dev | 1); /* READ */
+ val = spi_read_byte(ice);
+ /* trigger */
+ set_gpio_bit(ice, PONTIS_CS_CS, 1);
+ udelay(1);
+ /* restore */
+ snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
+ snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
+ return val;
+}
+
+
+/*
+ * SPDIF input source
+ */
+static int cs_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ static const char * const texts[] = {
+ "Coax", /* RXP0 */
+ "Optical", /* RXP1 */
+ "CD", /* RXP2 */
+ };
+ return snd_ctl_enum_info(uinfo, 1, 3, texts);
+}
+
+static int cs_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+
+ mutex_lock(&ice->gpio_mutex);
+ ucontrol->value.enumerated.item[0] = ice->gpio.saved[0];
+ mutex_unlock(&ice->gpio_mutex);
+ return 0;
+}
+
+static int cs_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+ unsigned char val;
+ int change = 0;
+
+ mutex_lock(&ice->gpio_mutex);
+ if (ucontrol->value.enumerated.item[0] != ice->gpio.saved[0]) {
+ ice->gpio.saved[0] = ucontrol->value.enumerated.item[0] & 3;
+ val = 0x80 | (ice->gpio.saved[0] << 3);
+ spi_write(ice, CS_DEV, 0x04, val);
+ change = 1;
+ }
+ mutex_unlock(&ice->gpio_mutex);
+ return change;
+}
+
+
+/*
+ * GPIO controls
+ */
+static int pontis_gpio_mask_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;
+ uinfo->value.integer.max = 0xffff; /* 16bit */
+ return 0;
+}
+
+static int pontis_gpio_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+ mutex_lock(&ice->gpio_mutex);
+ /* 4-7 reserved */
+ ucontrol->value.integer.value[0] = (~ice->gpio.write_mask & 0xffff) | 0x00f0;
+ mutex_unlock(&ice->gpio_mutex);
+ return 0;
+}
+
+static int pontis_gpio_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+ unsigned int val;
+ int changed;
+ mutex_lock(&ice->gpio_mutex);
+ /* 4-7 reserved */
+ val = (~ucontrol->value.integer.value[0] & 0xffff) | 0x00f0;
+ changed = val != ice->gpio.write_mask;
+ ice->gpio.write_mask = val;
+ mutex_unlock(&ice->gpio_mutex);
+ return changed;
+}
+
+static int pontis_gpio_dir_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+ mutex_lock(&ice->gpio_mutex);
+ /* 4-7 reserved */
+ ucontrol->value.integer.value[0] = ice->gpio.direction & 0xff0f;
+ mutex_unlock(&ice->gpio_mutex);
+ return 0;
+}
+
+static int pontis_gpio_dir_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+ unsigned int val;
+ int changed;
+ mutex_lock(&ice->gpio_mutex);
+ /* 4-7 reserved */
+ val = ucontrol->value.integer.value[0] & 0xff0f;
+ changed = (val != ice->gpio.direction);
+ ice->gpio.direction = val;
+ mutex_unlock(&ice->gpio_mutex);
+ return changed;
+}
+
+static int pontis_gpio_data_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+ mutex_lock(&ice->gpio_mutex);
+ snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
+ snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
+ ucontrol->value.integer.value[0] = snd_ice1712_gpio_read(ice) & 0xffff;
+ mutex_unlock(&ice->gpio_mutex);
+ return 0;
+}
+
+static int pontis_gpio_data_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
+ unsigned int val, nval;
+ int changed = 0;
+ mutex_lock(&ice->gpio_mutex);
+ snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
+ snd_ice1712_gpio_set_mask(ice, ice->gpio.write_mask);
+ val = snd_ice1712_gpio_read(ice) & 0xffff;
+ nval = ucontrol->value.integer.value[0] & 0xffff;
+ if (val != nval) {
+ snd_ice1712_gpio_write(ice, nval);
+ changed = 1;
+ }
+ mutex_unlock(&ice->gpio_mutex);
+ return changed;
+}
+
+static const DECLARE_TLV_DB_SCALE(db_scale_volume, -6400, 50, 1);
+
+/*
+ * mixers
+ */
+
+static struct snd_kcontrol_new pontis_controls[] = {
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+ .name = "PCM Playback Volume",
+ .info = wm_dac_vol_info,
+ .get = wm_dac_vol_get,
+ .put = wm_dac_vol_put,
+ .tlv = { .p = db_scale_volume },
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+ .name = "Capture Volume",
+ .info = wm_adc_vol_info,
+ .get = wm_adc_vol_get,
+ .put = wm_adc_vol_put,
+ .tlv = { .p = db_scale_volume },
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "CD Capture Switch",
+ .info = wm_adc_mux_info,
+ .get = wm_adc_mux_get,
+ .put = wm_adc_mux_put,
+ .private_value = 0,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Line Capture Switch",
+ .info = wm_adc_mux_info,
+ .get = wm_adc_mux_get,
+ .put = wm_adc_mux_put,
+ .private_value = 1,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Analog Bypass Switch",
+ .info = wm_bypass_info,
+ .get = wm_bypass_get,
+ .put = wm_bypass_put,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Swap Output Channels",
+ .info = wm_chswap_info,
+ .get = wm_chswap_get,
+ .put = wm_chswap_put,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "IEC958 Input Source",
+ .info = cs_source_info,
+ .get = cs_source_get,
+ .put = cs_source_put,
+ },
+ /* FIXME: which interface? */
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_CARD,
+ .name = "GPIO Mask",
+ .info = pontis_gpio_mask_info,
+ .get = pontis_gpio_mask_get,
+ .put = pontis_gpio_mask_put,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_CARD,
+ .name = "GPIO Direction",
+ .info = pontis_gpio_mask_info,
+ .get = pontis_gpio_dir_get,
+ .put = pontis_gpio_dir_put,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_CARD,
+ .name = "GPIO Data",
+ .info = pontis_gpio_mask_info,
+ .get = pontis_gpio_data_get,
+ .put = pontis_gpio_data_put,
+ },
+};
+
+
+/*
+ * WM codec registers
+ */
+static void wm_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
+{
+ struct snd_ice1712 *ice = entry->private_data;
+ char line[64];
+ unsigned int reg, val;
+ mutex_lock(&ice->gpio_mutex);
+ while (!snd_info_get_line(buffer, line, sizeof(line))) {
+ if (sscanf(line, "%x %x", ®, &val) != 2)
+ continue;
+ if (reg <= 0x17 && val <= 0xffff)
+ wm_put(ice, reg, val);
+ }
+ mutex_unlock(&ice->gpio_mutex);
+}
+
+static void wm_proc_regs_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
+{
+ struct snd_ice1712 *ice = entry->private_data;
+ int reg, val;
+
+ mutex_lock(&ice->gpio_mutex);
+ for (reg = 0; reg <= 0x17; reg++) {
+ val = wm_get(ice, reg);
+ snd_iprintf(buffer, "%02x = %04x\n", reg, val);
+ }
+ mutex_unlock(&ice->gpio_mutex);
+}
+
+static void wm_proc_init(struct snd_ice1712 *ice)
+{
+ struct snd_info_entry *entry;
+ if (! snd_card_proc_new(ice->card, "wm_codec", &entry)) {
+ snd_info_set_text_ops(entry, ice, wm_proc_regs_read);
+ entry->mode |= S_IWUSR;
+ entry->c.text.write = wm_proc_regs_write;
+ }
+}
+
+static void cs_proc_regs_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
+{
+ struct snd_ice1712 *ice = entry->private_data;
+ int reg, val;
+
+ mutex_lock(&ice->gpio_mutex);
+ for (reg = 0; reg <= 0x26; reg++) {
+ val = spi_read(ice, CS_DEV, reg);
+ snd_iprintf(buffer, "%02x = %02x\n", reg, val);
+ }
+ val = spi_read(ice, CS_DEV, 0x7f);
+ snd_iprintf(buffer, "%02x = %02x\n", 0x7f, val);
+ mutex_unlock(&ice->gpio_mutex);
+}
+
+static void cs_proc_init(struct snd_ice1712 *ice)
+{
+ struct snd_info_entry *entry;
+ if (! snd_card_proc_new(ice->card, "cs_codec", &entry))
+ snd_info_set_text_ops(entry, ice, cs_proc_regs_read);
+}
+
+
+static int pontis_add_controls(struct snd_ice1712 *ice)
+{
+ unsigned int i;
+ int err;
+
+ for (i = 0; i < ARRAY_SIZE(pontis_controls); i++) {
+ err = snd_ctl_add(ice->card, snd_ctl_new1(&pontis_controls[i], ice));
+ if (err < 0)
+ return err;
+ }
+
+ wm_proc_init(ice);
+ cs_proc_init(ice);
+
+ return 0;
+}
+
+
+/*
+ * initialize the chip
+ */
+static int pontis_init(struct snd_ice1712 *ice)
+{
+ static const unsigned short wm_inits[] = {
+ /* These come first to reduce init pop noise */
+ WM_ADC_MUX, 0x00c0, /* ADC mute */
+ WM_DAC_MUTE, 0x0001, /* DAC softmute */
+ WM_DAC_CTRL1, 0x0000, /* DAC mute */
+
+ WM_POWERDOWN, 0x0008, /* All power-up except HP */
+ WM_RESET, 0x0000, /* reset */
+ };
+ static const unsigned short wm_inits2[] = {
+ WM_MASTER_CTRL, 0x0022, /* 256fs, slave mode */
+ WM_DAC_INT, 0x0022, /* I2S, normal polarity, 24bit */
+ WM_ADC_INT, 0x0022, /* I2S, normal polarity, 24bit */
+ WM_DAC_CTRL1, 0x0090, /* DAC L/R */
+ WM_OUT_MUX, 0x0001, /* OUT DAC */
+ WM_HP_ATTEN_L, 0x0179, /* HP 0dB */
+ WM_HP_ATTEN_R, 0x0179, /* HP 0dB */
+ WM_DAC_ATTEN_L, 0x0000, /* DAC 0dB */
+ WM_DAC_ATTEN_L, 0x0100, /* DAC 0dB */
+ WM_DAC_ATTEN_R, 0x0000, /* DAC 0dB */
+ WM_DAC_ATTEN_R, 0x0100, /* DAC 0dB */
+ /* WM_DAC_MASTER, 0x0100, */ /* DAC master muted */
+ WM_PHASE_SWAP, 0x0000, /* phase normal */
+ WM_DAC_CTRL2, 0x0000, /* no deemphasis, no ZFLG */
+ WM_ADC_ATTEN_L, 0x0000, /* ADC muted */
+ WM_ADC_ATTEN_R, 0x0000, /* ADC muted */
+#if 0
+ WM_ALC_CTRL1, 0x007b, /* */
+ WM_ALC_CTRL2, 0x0000, /* */
+ WM_ALC_CTRL3, 0x0000, /* */
+ WM_NOISE_GATE, 0x0000, /* */
+#endif
+ WM_DAC_MUTE, 0x0000, /* DAC unmute */
+ WM_ADC_MUX, 0x0003, /* ADC unmute, both CD/Line On */
+ };
+ static const unsigned char cs_inits[] = {
+ 0x04, 0x80, /* RUN, RXP0 */
+ 0x05, 0x05, /* slave, 24bit */
+ 0x01, 0x00,
+ 0x02, 0x00,
+ 0x03, 0x00,
+ };
+ unsigned int i;
+
+ ice->vt1720 = 1;
+ ice->num_total_dacs = 2;
+ ice->num_total_adcs = 2;
+
+ /* to remember the register values */
+ ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
+ if (! ice->akm)
+ return -ENOMEM;
+ ice->akm_codecs = 1;
+
+ /* HACK - use this as the SPDIF source.
+ * don't call snd_ice1712_gpio_get/put(), otherwise it's overwritten
+ */
+ ice->gpio.saved[0] = 0;
+
+ /* initialize WM8776 codec */
+ for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2)
+ wm_put(ice, wm_inits[i], wm_inits[i+1]);
+ schedule_timeout_uninterruptible(1);
+ for (i = 0; i < ARRAY_SIZE(wm_inits2); i += 2)
+ wm_put(ice, wm_inits2[i], wm_inits2[i+1]);
+
+ /* initialize CS8416 codec */
+ /* assert PRST#; MT05 bit 7 */
+ outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
+ mdelay(5);
+ /* deassert PRST# */
+ outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
+
+ for (i = 0; i < ARRAY_SIZE(cs_inits); i += 2)
+ spi_write(ice, CS_DEV, cs_inits[i], cs_inits[i+1]);
+
+ return 0;
+}
+
+
+/*
+ * Pontis boards don't provide the EEPROM data at all.
+ * hence the driver needs to sets up it properly.
+ */
+
+static unsigned char pontis_eeprom[] = {
+ [ICE_EEP2_SYSCONF] = 0x08, /* clock 256, mpu401, spdif-in/ADC, 1DAC */
+ [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] = 0x07,
+ [ICE_EEP2_GPIO_DIR1] = 0x00,
+ [ICE_EEP2_GPIO_DIR2] = 0x00, /* ignored */
+ [ICE_EEP2_GPIO_MASK] = 0x0f, /* 4-7 reserved for CS8416 */
+ [ICE_EEP2_GPIO_MASK1] = 0xff,
+ [ICE_EEP2_GPIO_MASK2] = 0x00, /* ignored */
+ [ICE_EEP2_GPIO_STATE] = 0x06, /* 0-low, 1-high, 2-high */
+ [ICE_EEP2_GPIO_STATE1] = 0x00,
+ [ICE_EEP2_GPIO_STATE2] = 0x00, /* ignored */
+};
+
+/* entry point */
+struct snd_ice1712_card_info snd_vt1720_pontis_cards[] = {
+ {
+ .subvendor = VT1720_SUBDEVICE_PONTIS_MS300,
+ .name = "Pontis MS300",
+ .model = "ms300",
+ .chip_init = pontis_init,
+ .build_controls = pontis_add_controls,
+ .eeprom_size = sizeof(pontis_eeprom),
+ .eeprom_data = pontis_eeprom,
+ },
+ { } /* terminator */
+};
Code Review / kvmfornfv.git / blobdiff