diff options
Diffstat (limited to 'sound/pci/ice1712/pontis.c')
| -rw-r--r-- | sound/pci/ice1712/pontis.c | 829 |
1 files changed, 829 insertions, 0 deletions
diff --git a/sound/pci/ice1712/pontis.c b/sound/pci/ice1712/pontis.c new file mode 100644 index 000000000..93b8cfc66 --- /dev/null +++ b/sound/pci/ice1712/pontis.c @@ -0,0 +1,829 @@ +/* + * 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 |= 0200; + 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 */ +}; 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