diff options
Diffstat (limited to 'sound/pci/ice1712/maya44.c')
| -rw-r--r-- | sound/pci/ice1712/maya44.c | 779 |
1 files changed, 779 insertions, 0 deletions
diff --git a/sound/pci/ice1712/maya44.c b/sound/pci/ice1712/maya44.c new file mode 100644 index 00000000000..3e1c20ae2f1 --- /dev/null +++ b/sound/pci/ice1712/maya44.c @@ -0,0 +1,779 @@ +/* + * ALSA driver for ICEnsemble VT1724 (Envy24HT) + * + * Lowlevel functions for ESI Maya44 cards + * + * Copyright (c) 2009 Takashi Iwai <tiwai@suse.de> + * Based on the patches by Rainer Zimmermann <mail@lightshed.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/init.h> +#include <linux/slab.h> +#include <linux/io.h> +#include <sound/core.h> +#include <sound/control.h> +#include <sound/pcm.h> +#include <sound/tlv.h> + +#include "ice1712.h" +#include "envy24ht.h" +#include "maya44.h" + +/* WM8776 register indexes */ +#define WM8776_REG_HEADPHONE_L 0x00 +#define WM8776_REG_HEADPHONE_R 0x01 +#define WM8776_REG_HEADPHONE_MASTER 0x02 +#define WM8776_REG_DAC_ATTEN_L 0x03 +#define WM8776_REG_DAC_ATTEN_R 0x04 +#define WM8776_REG_DAC_ATTEN_MASTER 0x05 +#define WM8776_REG_DAC_PHASE 0x06 +#define WM8776_REG_DAC_CONTROL 0x07 +#define WM8776_REG_DAC_MUTE 0x08 +#define WM8776_REG_DAC_DEEMPH 0x09 +#define WM8776_REG_DAC_IF_CONTROL 0x0a +#define WM8776_REG_ADC_IF_CONTROL 0x0b +#define WM8776_REG_MASTER_MODE_CONTROL 0x0c +#define WM8776_REG_POWERDOWN 0x0d +#define WM8776_REG_ADC_ATTEN_L 0x0e +#define WM8776_REG_ADC_ATTEN_R 0x0f +#define WM8776_REG_ADC_ALC1 0x10 +#define WM8776_REG_ADC_ALC2 0x11 +#define WM8776_REG_ADC_ALC3 0x12 +#define WM8776_REG_ADC_NOISE_GATE 0x13 +#define WM8776_REG_ADC_LIMITER 0x14 +#define WM8776_REG_ADC_MUX 0x15 +#define WM8776_REG_OUTPUT_MUX 0x16 +#define WM8776_REG_RESET 0x17 + +#define WM8776_NUM_REGS 0x18 + +/* clock ratio identifiers for snd_wm8776_set_rate() */ +#define WM8776_CLOCK_RATIO_128FS 0 +#define WM8776_CLOCK_RATIO_192FS 1 +#define WM8776_CLOCK_RATIO_256FS 2 +#define WM8776_CLOCK_RATIO_384FS 3 +#define WM8776_CLOCK_RATIO_512FS 4 +#define WM8776_CLOCK_RATIO_768FS 5 + +enum { WM_VOL_HP, WM_VOL_DAC, WM_VOL_ADC, WM_NUM_VOLS }; +enum { WM_SW_DAC, WM_SW_BYPASS, WM_NUM_SWITCHES }; + +struct snd_wm8776 { + unsigned char addr; + unsigned short regs[WM8776_NUM_REGS]; + unsigned char volumes[WM_NUM_VOLS][2]; + unsigned int switch_bits; +}; + +struct snd_maya44 { + struct snd_ice1712 *ice; + struct snd_wm8776 wm[2]; + struct mutex mutex; +}; + + +/* write the given register and save the data to the cache */ +static void wm8776_write(struct snd_ice1712 *ice, struct snd_wm8776 *wm, + unsigned char reg, unsigned short val) +{ + /* + * WM8776 registers are up to 9 bits wide, bit 8 is placed in the LSB + * of the address field + */ + snd_vt1724_write_i2c(ice, wm->addr, + (reg << 1) | ((val >> 8) & 1), + val & 0xff); + wm->regs[reg] = val; +} + +/* + * update the given register with and/or mask and save the data to the cache + */ +static int wm8776_write_bits(struct snd_ice1712 *ice, struct snd_wm8776 *wm, + unsigned char reg, + unsigned short mask, unsigned short val) +{ + val |= wm->regs[reg] & ~mask; + if (val != wm->regs[reg]) { + wm8776_write(ice, wm, reg, val); + return 1; + } + return 0; +} + + +/* + * WM8776 volume controls + */ + +struct maya_vol_info { + unsigned int maxval; /* volume range: 0..maxval */ + unsigned char regs[2]; /* left and right registers */ + unsigned short mask; /* value mask */ + unsigned short offset; /* zero-value offset */ + unsigned short mute; /* mute bit */ + unsigned short update; /* update bits */ + unsigned char mux_bits[2]; /* extra bits for ADC mute */ +}; + +static struct maya_vol_info vol_info[WM_NUM_VOLS] = { + [WM_VOL_HP] = { + .maxval = 80, + .regs = { WM8776_REG_HEADPHONE_L, WM8776_REG_HEADPHONE_R }, + .mask = 0x7f, + .offset = 0x30, + .mute = 0x00, + .update = 0x180, /* update and zero-cross enable */ + }, + [WM_VOL_DAC] = { + .maxval = 255, + .regs = { WM8776_REG_DAC_ATTEN_L, WM8776_REG_DAC_ATTEN_R }, + .mask = 0xff, + .offset = 0x01, + .mute = 0x00, + .update = 0x100, /* zero-cross enable */ + }, + [WM_VOL_ADC] = { + .maxval = 91, + .regs = { WM8776_REG_ADC_ATTEN_L, WM8776_REG_ADC_ATTEN_R }, + .mask = 0xff, + .offset = 0xa5, + .mute = 0xa5, + .update = 0x100, /* update */ + .mux_bits = { 0x80, 0x40 }, /* ADCMUX bits */ + }, +}; + +/* + * dB tables + */ +/* headphone output: mute, -73..+6db (1db step) */ +static const DECLARE_TLV_DB_SCALE(db_scale_hp, -7400, 100, 1); +/* DAC output: mute, -127..0db (0.5db step) */ +static const DECLARE_TLV_DB_SCALE(db_scale_dac, -12750, 50, 1); +/* ADC gain: mute, -21..+24db (0.5db step) */ +static const DECLARE_TLV_DB_SCALE(db_scale_adc, -2100, 50, 1); + +static int maya_vol_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + unsigned int idx = kcontrol->private_value; + struct maya_vol_info *vol = &vol_info[idx]; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 2; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = vol->maxval; + return 0; +} + +static int maya_vol_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wm8776 *wm = + &chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)]; + unsigned int idx = kcontrol->private_value; + + mutex_lock(&chip->mutex); + ucontrol->value.integer.value[0] = wm->volumes[idx][0]; + ucontrol->value.integer.value[1] = wm->volumes[idx][1]; + mutex_unlock(&chip->mutex); + return 0; +} + +static int maya_vol_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wm8776 *wm = + &chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)]; + unsigned int idx = kcontrol->private_value; + struct maya_vol_info *vol = &vol_info[idx]; + unsigned int val, data; + int ch, changed = 0; + + mutex_lock(&chip->mutex); + for (ch = 0; ch < 2; ch++) { + val = ucontrol->value.integer.value[ch]; + if (val > vol->maxval) + val = vol->maxval; + if (val == wm->volumes[idx][ch]) + continue; + if (!val) + data = vol->mute; + else + data = (val - 1) + vol->offset; + data |= vol->update; + changed |= wm8776_write_bits(chip->ice, wm, vol->regs[ch], + vol->mask | vol->update, data); + if (vol->mux_bits[ch]) + wm8776_write_bits(chip->ice, wm, WM8776_REG_ADC_MUX, + vol->mux_bits[ch], + val ? 0 : vol->mux_bits[ch]); + wm->volumes[idx][ch] = val; + } + mutex_unlock(&chip->mutex); + return changed; +} + +/* + * WM8776 switch controls + */ + +#define COMPOSE_SW_VAL(idx, reg, mask) ((idx) | ((reg) << 8) | ((mask) << 16)) +#define GET_SW_VAL_IDX(val) ((val) & 0xff) +#define GET_SW_VAL_REG(val) (((val) >> 8) & 0xff) +#define GET_SW_VAL_MASK(val) (((val) >> 16) & 0xff) + +#define maya_sw_info snd_ctl_boolean_mono_info + +static int maya_sw_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wm8776 *wm = + &chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)]; + unsigned int idx = GET_SW_VAL_IDX(kcontrol->private_value); + + ucontrol->value.integer.value[0] = (wm->switch_bits >> idx) & 1; + return 0; +} + +static int maya_sw_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wm8776 *wm = + &chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)]; + unsigned int idx = GET_SW_VAL_IDX(kcontrol->private_value); + unsigned int mask, val; + int changed; + + mutex_lock(&chip->mutex); + mask = 1 << idx; + wm->switch_bits &= ~mask; + val = ucontrol->value.integer.value[0]; + if (val) + wm->switch_bits |= mask; + mask = GET_SW_VAL_MASK(kcontrol->private_value); + changed = wm8776_write_bits(chip->ice, wm, + GET_SW_VAL_REG(kcontrol->private_value), + mask, val ? mask : 0); + mutex_unlock(&chip->mutex); + return changed; +} + +/* + * GPIO pins (known ones for maya44) + */ +#define GPIO_PHANTOM_OFF 2 +#define GPIO_MIC_RELAY 4 +#define GPIO_SPDIF_IN_INV 5 +#define GPIO_MUST_BE_0 7 + +/* + * GPIO switch controls + */ + +#define COMPOSE_GPIO_VAL(shift, inv) ((shift) | ((inv) << 8)) +#define GET_GPIO_VAL_SHIFT(val) ((val) & 0xff) +#define GET_GPIO_VAL_INV(val) (((val) >> 8) & 1) + +static int maya_set_gpio_bits(struct snd_ice1712 *ice, unsigned int mask, + unsigned int bits) +{ + unsigned int data; + data = snd_ice1712_gpio_read(ice); + if ((data & mask) == bits) + return 0; + snd_ice1712_gpio_write(ice, (data & ~mask) | bits); + return 1; +} + +#define maya_gpio_sw_info snd_ctl_boolean_mono_info + +static int maya_gpio_sw_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); + unsigned int shift = GET_GPIO_VAL_SHIFT(kcontrol->private_value); + unsigned int val; + + val = (snd_ice1712_gpio_read(chip->ice) >> shift) & 1; + if (GET_GPIO_VAL_INV(kcontrol->private_value)) + val = !val; + ucontrol->value.integer.value[0] = val; + return 0; +} + +static int maya_gpio_sw_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); + unsigned int shift = GET_GPIO_VAL_SHIFT(kcontrol->private_value); + unsigned int val, mask; + int changed; + + mutex_lock(&chip->mutex); + mask = 1 << shift; + val = ucontrol->value.integer.value[0]; + if (GET_GPIO_VAL_INV(kcontrol->private_value)) + val = !val; + val = val ? mask : 0; + changed = maya_set_gpio_bits(chip->ice, mask, val); + mutex_unlock(&chip->mutex); + return changed; +} + +/* + * capture source selection + */ + +/* known working input slots (0-4) */ +#define MAYA_LINE_IN 1 /* in-2 */ +#define MAYA_MIC_IN 4 /* in-5 */ + +static void wm8776_select_input(struct snd_maya44 *chip, int idx, int line) +{ + wm8776_write_bits(chip->ice, &chip->wm[idx], WM8776_REG_ADC_MUX, + 0x1f, 1 << line); +} + +static int maya_rec_src_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + static char *texts[] = { "Line", "Mic" }; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + uinfo->value.enumerated.items = ARRAY_SIZE(texts); + if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) + uinfo->value.enumerated.item = + uinfo->value.enumerated.items - 1; + strcpy(uinfo->value.enumerated.name, + texts[uinfo->value.enumerated.item]); + return 0; +} + +static int maya_rec_src_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); + int sel; + + if (snd_ice1712_gpio_read(chip->ice) & (1 << GPIO_MIC_RELAY)) + sel = 1; + else + sel = 0; + ucontrol->value.enumerated.item[0] = sel; + return 0; +} + +static int maya_rec_src_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); + int sel = ucontrol->value.enumerated.item[0]; + int changed; + + mutex_lock(&chip->mutex); + changed = maya_set_gpio_bits(chip->ice, GPIO_MIC_RELAY, + sel ? GPIO_MIC_RELAY : 0); + wm8776_select_input(chip, 0, sel ? MAYA_MIC_IN : MAYA_LINE_IN); + mutex_unlock(&chip->mutex); + return changed; +} + +/* + * Maya44 routing switch settings have different meanings than the standard + * ice1724 switches as defined in snd_vt1724_pro_route_info (ice1724.c). + */ +static int maya_pb_route_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + static char *texts[] = { + "PCM Out", /* 0 */ + "Input 1", "Input 2", "Input 3", "Input 4" + }; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + uinfo->value.enumerated.items = ARRAY_SIZE(texts); + if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) + uinfo->value.enumerated.item = + uinfo->value.enumerated.items - 1; + strcpy(uinfo->value.enumerated.name, + texts[uinfo->value.enumerated.item]); + return 0; +} + +static int maya_pb_route_shift(int idx) +{ + static const unsigned char shift[10] = + { 8, 20, 0, 3, 11, 23, 14, 26, 17, 29 }; + return shift[idx % 10]; +} + +static int maya_pb_route_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); + int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); + ucontrol->value.enumerated.item[0] = + snd_ice1724_get_route_val(chip->ice, maya_pb_route_shift(idx)); + return 0; +} + +static int maya_pb_route_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol); + int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); + return snd_ice1724_put_route_val(chip->ice, + ucontrol->value.enumerated.item[0], + maya_pb_route_shift(idx)); +} + + +/* + * controls to be added + */ + +static struct snd_kcontrol_new maya_controls[] __devinitdata = { + { + .name = "Crossmix Playback Volume", + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ, + .info = maya_vol_info, + .get = maya_vol_get, + .put = maya_vol_put, + .tlv = { .p = db_scale_hp }, + .private_value = WM_VOL_HP, + .count = 2, + }, + { + .name = "PCM Playback Volume", + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ, + .info = maya_vol_info, + .get = maya_vol_get, + .put = maya_vol_put, + .tlv = { .p = db_scale_dac }, + .private_value = WM_VOL_DAC, + .count = 2, + }, + { + .name = "Line Capture Volume", + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ, + .info = maya_vol_info, + .get = maya_vol_get, + .put = maya_vol_put, + .tlv = { .p = db_scale_adc }, + .private_value = WM_VOL_ADC, + .count = 2, + }, + { + .name = "PCM Playback Switch", + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .info = maya_sw_info, + .get = maya_sw_get, + .put = maya_sw_put, + .private_value = COMPOSE_SW_VAL(WM_SW_DAC, + WM8776_REG_OUTPUT_MUX, 0x01), + .count = 2, + }, + { + .name = "Bypass Playback Switch", + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .info = maya_sw_info, + .get = maya_sw_get, + .put = maya_sw_put, + .private_value = COMPOSE_SW_VAL(WM_SW_BYPASS, + WM8776_REG_OUTPUT_MUX, 0x04), + .count = 2, + }, + { + .name = "Capture Source", + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .info = maya_rec_src_info, + .get = maya_rec_src_get, + .put = maya_rec_src_put, + }, + { + .name = "Mic Phantom Power Switch", + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .info = maya_gpio_sw_info, + .get = maya_gpio_sw_get, + .put = maya_gpio_sw_put, + .private_value = COMPOSE_GPIO_VAL(GPIO_PHANTOM_OFF, 1), + }, + { + .name = "SPDIF Capture Switch", + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .info = maya_gpio_sw_info, + .get = maya_gpio_sw_get, + .put = maya_gpio_sw_put, + .private_value = COMPOSE_GPIO_VAL(GPIO_SPDIF_IN_INV, 1), + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "H/W Playback Route", + .info = maya_pb_route_info, + .get = maya_pb_route_get, + .put = maya_pb_route_put, + .count = 4, /* FIXME: do controls 5-9 have any meaning? */ + }, +}; + +static int __devinit maya44_add_controls(struct snd_ice1712 *ice) +{ + int err, i; + + for (i = 0; i < ARRAY_SIZE(maya_controls); i++) { + err = snd_ctl_add(ice->card, snd_ctl_new1(&maya_controls[i], + ice->spec)); + if (err < 0) + return err; + } + return 0; +} + + +/* + * initialize a wm8776 chip + */ +static void __devinit wm8776_init(struct snd_ice1712 *ice, + struct snd_wm8776 *wm, unsigned int addr) +{ + static const unsigned short inits_wm8776[] = { + 0x02, 0x100, /* R2: headphone L+R muted + update */ + 0x05, 0x100, /* R5: DAC output L+R muted + update */ + 0x06, 0x000, /* R6: DAC output phase normal */ + 0x07, 0x091, /* R7: DAC enable zero cross detection, + normal output */ + 0x08, 0x000, /* R8: DAC soft mute off */ + 0x09, 0x000, /* R9: no deemph, DAC zero detect disabled */ + 0x0a, 0x022, /* R10: DAC I2C mode, std polarities, 24bit */ + 0x0b, 0x022, /* R11: ADC I2C mode, std polarities, 24bit, + highpass filter enabled */ + 0x0c, 0x042, /* R12: ADC+DAC slave, ADC+DAC 44,1kHz */ + 0x0d, 0x000, /* R13: all power up */ + 0x0e, 0x100, /* R14: ADC left muted, + enable zero cross detection */ + 0x0f, 0x100, /* R15: ADC right muted, + enable zero cross detection */ + /* R16: ALC...*/ + 0x11, 0x000, /* R17: disable ALC */ + /* R18: ALC...*/ + /* R19: noise gate...*/ + 0x15, 0x000, /* R21: ADC input mux init, mute all inputs */ + 0x16, 0x001, /* R22: output mux, select DAC */ + 0xff, 0xff + }; + + const unsigned short *ptr; + unsigned char reg; + unsigned short data; + + wm->addr = addr; + /* enable DAC output; mute bypass, aux & all inputs */ + wm->switch_bits = (1 << WM_SW_DAC); + + ptr = inits_wm8776; + while (*ptr != 0xff) { + reg = *ptr++; + data = *ptr++; + wm8776_write(ice, wm, reg, data); + } +} + + +/* + * change the rate on the WM8776 codecs. + * this assumes that the VT17xx's rate is changed by the calling function. + * NOTE: even though the WM8776's are running in slave mode and rate + * selection is automatic, we need to call snd_wm8776_set_rate() here + * to make sure some flags are set correctly. + */ +static void set_rate(struct snd_ice1712 *ice, unsigned int rate) +{ + struct snd_maya44 *chip = ice->spec; + unsigned int ratio, adc_ratio, val; + int i; + + switch (rate) { + case 192000: + ratio = WM8776_CLOCK_RATIO_128FS; + break; + case 176400: + ratio = WM8776_CLOCK_RATIO_128FS; + break; + case 96000: + ratio = WM8776_CLOCK_RATIO_256FS; + break; + case 88200: + ratio = WM8776_CLOCK_RATIO_384FS; + break; + case 48000: + ratio = WM8776_CLOCK_RATIO_512FS; + break; + case 44100: + ratio = WM8776_CLOCK_RATIO_512FS; + break; + case 32000: + ratio = WM8776_CLOCK_RATIO_768FS; + break; + case 0: + /* no hint - S/PDIF input is master, simply return */ + return; + default: + snd_BUG(); + return; + } + + /* + * this currently sets the same rate for ADC and DAC, but limits + * ADC rate to 256X (96kHz). For 256X mode (96kHz), this sets ADC + * oversampling to 64x, as recommended by WM8776 datasheet. + * Setting the rate is not really necessary in slave mode. + */ + adc_ratio = ratio; + if (adc_ratio < WM8776_CLOCK_RATIO_256FS) + adc_ratio = WM8776_CLOCK_RATIO_256FS; + + val = adc_ratio; + if (adc_ratio == WM8776_CLOCK_RATIO_256FS) + val |= 8; + val |= ratio << 4; + + mutex_lock(&chip->mutex); + for (i = 0; i < 2; i++) + wm8776_write_bits(ice, &chip->wm[i], + WM8776_REG_MASTER_MODE_CONTROL, + 0x180, val); + mutex_unlock(&chip->mutex); +} + +/* + * supported sample rates (to override the default one) + */ + +static unsigned int rates[] = { + 32000, 44100, 48000, 64000, 88200, 96000, 176400, 192000 +}; + +/* playback rates: 32..192 kHz */ +static struct snd_pcm_hw_constraint_list dac_rates = { + .count = ARRAY_SIZE(rates), + .list = rates, + .mask = 0 +}; + + +/* + * chip addresses on I2C bus + */ +static unsigned char wm8776_addr[2] __devinitdata = { + 0x34, 0x36, /* codec 0 & 1 */ +}; + +/* + * initialize the chip + */ +static int __devinit maya44_init(struct snd_ice1712 *ice) +{ + int i; + struct snd_maya44 *chip; + + chip = kzalloc(sizeof(*chip), GFP_KERNEL); + if (!chip) + return -ENOMEM; + mutex_init(&chip->mutex); + chip->ice = ice; + ice->spec = chip; + + /* initialise codecs */ + ice->num_total_dacs = 4; + ice->num_total_adcs = 4; + ice->akm_codecs = 0; + + for (i = 0; i < 2; i++) { + wm8776_init(ice, &chip->wm[i], wm8776_addr[i]); + wm8776_select_input(chip, i, MAYA_LINE_IN); + } + + /* set card specific rates */ + ice->hw_rates = &dac_rates; + + /* register change rate notifier */ + ice->gpio.set_pro_rate = set_rate; + + /* RDMA1 (2nd input channel) is used for ADC by default */ + ice->force_rdma1 = 1; + + /* have an own routing control */ + ice->own_routing = 1; + + return 0; +} + + +/* + * Maya44 boards don't provide the EEPROM data except for the vendor IDs. + * hence the driver needs to sets up it properly. + */ + +static unsigned char maya44_eeprom[] __devinitdata = { + [ICE_EEP2_SYSCONF] = 0x45, + /* clock xin1=49.152MHz, mpu401, 2 stereo ADCs+DACs */ + [ICE_EEP2_ACLINK] = 0x80, + /* I2S */ + [ICE_EEP2_I2S] = 0xf8, + /* vol, 96k, 24bit, 192k */ + [ICE_EEP2_SPDIF] = 0xc3, + /* enable spdif out, spdif out supp, spdif-in, ext spdif out */ + [ICE_EEP2_GPIO_DIR] = 0xff, + [ICE_EEP2_GPIO_DIR1] = 0xff, + [ICE_EEP2_GPIO_DIR2] = 0xff, + [ICE_EEP2_GPIO_MASK] = 0/*0x9f*/, + [ICE_EEP2_GPIO_MASK1] = 0/*0xff*/, + [ICE_EEP2_GPIO_MASK2] = 0/*0x7f*/, + [ICE_EEP2_GPIO_STATE] = (1 << GPIO_PHANTOM_OFF) | + (1 << GPIO_SPDIF_IN_INV), + [ICE_EEP2_GPIO_STATE1] = 0x00, + [ICE_EEP2_GPIO_STATE2] = 0x00, +}; + +/* entry point */ +struct snd_ice1712_card_info snd_vt1724_maya44_cards[] __devinitdata = { + { + .subvendor = VT1724_SUBDEVICE_MAYA44, + .name = "ESI Maya44", + .model = "maya44", + .chip_init = maya44_init, + .build_controls = maya44_add_controls, + .eeprom_size = sizeof(maya44_eeprom), + .eeprom_data = maya44_eeprom, + }, + { } /* terminator */ +}; |