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- /*
- * ALSA driver for ICEnsemble ICE1712 (Envy24)
- *
- * Lowlevel functions for M-Audio Audiophile 192, Revolution 7.1 and 5.1
- *
- * Copyright (c) 2003 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 <sound/core.h>
- #include "ice1712.h"
- #include "envy24ht.h"
- #include "revo.h"
- /* a non-standard I2C device for revo51 */
- struct revo51_spec {
- struct snd_i2c_device *dev;
- struct snd_pt2258 *pt2258;
- struct ak4114 *ak4114;
- };
- static void revo_i2s_mclk_changed(struct snd_ice1712 *ice)
- {
- /* assert PRST# to converters; 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));
- }
- /*
- * change the rate of Envy24HT, AK4355 and AK4381
- */
- static void revo_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
- {
- unsigned char old, tmp, dfs;
- int reg, shift;
- if (rate == 0) /* no hint - S/PDIF input is master, simply return */
- return;
- /* adjust DFS on codecs */
- if (rate > 96000)
- dfs = 2;
- else if (rate > 48000)
- dfs = 1;
- else
- dfs = 0;
- if (ak->type == SND_AK4355 || ak->type == SND_AK4358) {
- reg = 2;
- shift = 4;
- } else {
- reg = 1;
- shift = 3;
- }
- tmp = snd_akm4xxx_get(ak, 0, reg);
- old = (tmp >> shift) & 0x03;
- if (old == dfs)
- return;
- /* reset DFS */
- snd_akm4xxx_reset(ak, 1);
- tmp = snd_akm4xxx_get(ak, 0, reg);
- tmp &= ~(0x03 << shift);
- tmp |= dfs << shift;
- /* snd_akm4xxx_write(ak, 0, reg, tmp); */
- snd_akm4xxx_set(ak, 0, reg, tmp); /* value is written in reset(0) */
- snd_akm4xxx_reset(ak, 0);
- }
- /*
- * I2C access to the PT2258 volume controller on GPIO 6/7 (Revolution 5.1)
- */
- static void revo_i2c_start(struct snd_i2c_bus *bus)
- {
- struct snd_ice1712 *ice = bus->private_data;
- snd_ice1712_save_gpio_status(ice);
- }
- static void revo_i2c_stop(struct snd_i2c_bus *bus)
- {
- struct snd_ice1712 *ice = bus->private_data;
- snd_ice1712_restore_gpio_status(ice);
- }
- static void revo_i2c_direction(struct snd_i2c_bus *bus, int clock, int data)
- {
- struct snd_ice1712 *ice = bus->private_data;
- unsigned int mask, val;
- val = 0;
- if (clock)
- val |= VT1724_REVO_I2C_CLOCK; /* write SCL */
- if (data)
- val |= VT1724_REVO_I2C_DATA; /* write SDA */
- mask = VT1724_REVO_I2C_CLOCK | VT1724_REVO_I2C_DATA;
- ice->gpio.direction &= ~mask;
- ice->gpio.direction |= val;
- snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
- snd_ice1712_gpio_set_mask(ice, ~mask);
- }
- static void revo_i2c_setlines(struct snd_i2c_bus *bus, int clk, int data)
- {
- struct snd_ice1712 *ice = bus->private_data;
- unsigned int val = 0;
- if (clk)
- val |= VT1724_REVO_I2C_CLOCK;
- if (data)
- val |= VT1724_REVO_I2C_DATA;
- snd_ice1712_gpio_write_bits(ice,
- VT1724_REVO_I2C_DATA |
- VT1724_REVO_I2C_CLOCK, val);
- udelay(5);
- }
- static int revo_i2c_getdata(struct snd_i2c_bus *bus, int ack)
- {
- struct snd_ice1712 *ice = bus->private_data;
- int bit;
- if (ack)
- udelay(5);
- bit = snd_ice1712_gpio_read_bits(ice, VT1724_REVO_I2C_DATA) ? 1 : 0;
- return bit;
- }
- static struct snd_i2c_bit_ops revo51_bit_ops = {
- .start = revo_i2c_start,
- .stop = revo_i2c_stop,
- .direction = revo_i2c_direction,
- .setlines = revo_i2c_setlines,
- .getdata = revo_i2c_getdata,
- };
- static int revo51_i2c_init(struct snd_ice1712 *ice,
- struct snd_pt2258 *pt)
- {
- struct revo51_spec *spec;
- int err;
- spec = kzalloc(sizeof(*spec), GFP_KERNEL);
- if (!spec)
- return -ENOMEM;
- ice->spec = spec;
- /* create the I2C bus */
- err = snd_i2c_bus_create(ice->card, "ICE1724 GPIO6", NULL, &ice->i2c);
- if (err < 0)
- return err;
- ice->i2c->private_data = ice;
- ice->i2c->hw_ops.bit = &revo51_bit_ops;
- /* create the I2C device */
- err = snd_i2c_device_create(ice->i2c, "PT2258", 0x40, &spec->dev);
- if (err < 0)
- return err;
- pt->card = ice->card;
- pt->i2c_bus = ice->i2c;
- pt->i2c_dev = spec->dev;
- spec->pt2258 = pt;
- snd_pt2258_reset(pt);
- return 0;
- }
- /*
- * initialize the chips on M-Audio Revolution cards
- */
- #define AK_DAC(xname,xch) { .name = xname, .num_channels = xch }
- static const struct snd_akm4xxx_dac_channel revo71_front[] = {
- {
- .name = "PCM Playback Volume",
- .num_channels = 2,
- /* front channels DAC supports muting */
- .switch_name = "PCM Playback Switch",
- },
- };
- static const struct snd_akm4xxx_dac_channel revo71_surround[] = {
- AK_DAC("PCM Center Playback Volume", 1),
- AK_DAC("PCM LFE Playback Volume", 1),
- AK_DAC("PCM Side Playback Volume", 2),
- AK_DAC("PCM Rear Playback Volume", 2),
- };
- static const struct snd_akm4xxx_dac_channel revo51_dac[] = {
- AK_DAC("PCM Playback Volume", 2),
- AK_DAC("PCM Center Playback Volume", 1),
- AK_DAC("PCM LFE Playback Volume", 1),
- AK_DAC("PCM Rear Playback Volume", 2),
- AK_DAC("PCM Headphone Volume", 2),
- };
- static const char *revo51_adc_input_names[] = {
- "Mic",
- "Line",
- "CD",
- NULL
- };
- static const struct snd_akm4xxx_adc_channel revo51_adc[] = {
- {
- .name = "PCM Capture Volume",
- .switch_name = "PCM Capture Switch",
- .num_channels = 2,
- .input_names = revo51_adc_input_names
- },
- };
- static struct snd_akm4xxx akm_revo_front = {
- .type = SND_AK4381,
- .num_dacs = 2,
- .ops = {
- .set_rate_val = revo_set_rate_val
- },
- .dac_info = revo71_front,
- };
- static struct snd_ak4xxx_private akm_revo_front_priv = {
- .caddr = 1,
- .cif = 0,
- .data_mask = VT1724_REVO_CDOUT,
- .clk_mask = VT1724_REVO_CCLK,
- .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
- .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS2,
- .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
- .add_flags = VT1724_REVO_CCLK, /* high at init */
- .mask_flags = 0,
- };
- static struct snd_akm4xxx akm_revo_surround = {
- .type = SND_AK4355,
- .idx_offset = 1,
- .num_dacs = 6,
- .ops = {
- .set_rate_val = revo_set_rate_val
- },
- .dac_info = revo71_surround,
- };
- static struct snd_ak4xxx_private akm_revo_surround_priv = {
- .caddr = 3,
- .cif = 0,
- .data_mask = VT1724_REVO_CDOUT,
- .clk_mask = VT1724_REVO_CCLK,
- .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
- .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS1,
- .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
- .add_flags = VT1724_REVO_CCLK, /* high at init */
- .mask_flags = 0,
- };
- static struct snd_akm4xxx akm_revo51 = {
- .type = SND_AK4358,
- .num_dacs = 8,
- .ops = {
- .set_rate_val = revo_set_rate_val
- },
- .dac_info = revo51_dac,
- };
- static struct snd_ak4xxx_private akm_revo51_priv = {
- .caddr = 2,
- .cif = 0,
- .data_mask = VT1724_REVO_CDOUT,
- .clk_mask = VT1724_REVO_CCLK,
- .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
- .cs_addr = VT1724_REVO_CS1,
- .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
- .add_flags = VT1724_REVO_CCLK, /* high at init */
- .mask_flags = 0,
- };
- static struct snd_akm4xxx akm_revo51_adc = {
- .type = SND_AK5365,
- .num_adcs = 2,
- .adc_info = revo51_adc,
- };
- static struct snd_ak4xxx_private akm_revo51_adc_priv = {
- .caddr = 2,
- .cif = 0,
- .data_mask = VT1724_REVO_CDOUT,
- .clk_mask = VT1724_REVO_CCLK,
- .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
- .cs_addr = VT1724_REVO_CS0,
- .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
- .add_flags = VT1724_REVO_CCLK, /* high at init */
- .mask_flags = 0,
- };
- static struct snd_pt2258 ptc_revo51_volume;
- /* AK4358 for AP192 DAC, AK5385A for ADC */
- static void ap192_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
- {
- struct snd_ice1712 *ice = ak->private_data[0];
- int dfs;
- revo_set_rate_val(ak, rate);
- /* reset CKS */
- snd_ice1712_gpio_write_bits(ice, 1 << 8, rate > 96000 ? 1 << 8 : 0);
- /* reset DFS pins of AK5385A for ADC, too */
- if (rate > 96000)
- dfs = 2;
- else if (rate > 48000)
- dfs = 1;
- else
- dfs = 0;
- snd_ice1712_gpio_write_bits(ice, 3 << 9, dfs << 9);
- /* reset ADC */
- snd_ice1712_gpio_write_bits(ice, 1 << 11, 0);
- snd_ice1712_gpio_write_bits(ice, 1 << 11, 1 << 11);
- }
- static const struct snd_akm4xxx_dac_channel ap192_dac[] = {
- AK_DAC("PCM Playback Volume", 2)
- };
- static struct snd_akm4xxx akm_ap192 = {
- .type = SND_AK4358,
- .num_dacs = 2,
- .ops = {
- .set_rate_val = ap192_set_rate_val
- },
- .dac_info = ap192_dac,
- };
- static struct snd_ak4xxx_private akm_ap192_priv = {
- .caddr = 2,
- .cif = 0,
- .data_mask = VT1724_REVO_CDOUT,
- .clk_mask = VT1724_REVO_CCLK,
- .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS3,
- .cs_addr = VT1724_REVO_CS3,
- .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS3,
- .add_flags = VT1724_REVO_CCLK, /* high at init */
- .mask_flags = 0,
- };
- /* AK4114 support on Audiophile 192 */
- /* CDTO (pin 32) -- GPIO2 pin 52
- * CDTI (pin 33) -- GPIO3 pin 53 (shared with AK4358)
- * CCLK (pin 34) -- GPIO1 pin 51 (shared with AK4358)
- * CSN (pin 35) -- GPIO7 pin 59
- */
- #define AK4114_ADDR 0x00
- static void write_data(struct snd_ice1712 *ice, unsigned int gpio,
- unsigned int data, int idx)
- {
- for (; idx >= 0; idx--) {
- /* drop clock */
- gpio &= ~VT1724_REVO_CCLK;
- snd_ice1712_gpio_write(ice, gpio);
- udelay(1);
- /* set data */
- if (data & (1 << idx))
- gpio |= VT1724_REVO_CDOUT;
- else
- gpio &= ~VT1724_REVO_CDOUT;
- snd_ice1712_gpio_write(ice, gpio);
- udelay(1);
- /* raise clock */
- gpio |= VT1724_REVO_CCLK;
- snd_ice1712_gpio_write(ice, gpio);
- udelay(1);
- }
- }
- static unsigned char read_data(struct snd_ice1712 *ice, unsigned int gpio,
- int idx)
- {
- unsigned char data = 0;
- for (; idx >= 0; idx--) {
- /* drop clock */
- gpio &= ~VT1724_REVO_CCLK;
- snd_ice1712_gpio_write(ice, gpio);
- udelay(1);
- /* read data */
- if (snd_ice1712_gpio_read(ice) & VT1724_REVO_CDIN)
- data |= (1 << idx);
- udelay(1);
- /* raise clock */
- gpio |= VT1724_REVO_CCLK;
- snd_ice1712_gpio_write(ice, gpio);
- udelay(1);
- }
- return data;
- }
- static unsigned int ap192_4wire_start(struct snd_ice1712 *ice)
- {
- unsigned int tmp;
- snd_ice1712_save_gpio_status(ice);
- tmp = snd_ice1712_gpio_read(ice);
- tmp |= VT1724_REVO_CCLK; /* high at init */
- tmp |= VT1724_REVO_CS0;
- tmp &= ~VT1724_REVO_CS3;
- snd_ice1712_gpio_write(ice, tmp);
- udelay(1);
- return tmp;
- }
- static void ap192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp)
- {
- tmp |= VT1724_REVO_CS3;
- tmp |= VT1724_REVO_CS0;
- snd_ice1712_gpio_write(ice, tmp);
- udelay(1);
- snd_ice1712_restore_gpio_status(ice);
- }
- static void ap192_ak4114_write(void *private_data, unsigned char addr,
- unsigned char data)
- {
- struct snd_ice1712 *ice = private_data;
- unsigned int tmp, addrdata;
- tmp = ap192_4wire_start(ice);
- addrdata = (AK4114_ADDR << 6) | 0x20 | (addr & 0x1f);
- addrdata = (addrdata << 8) | data;
- write_data(ice, tmp, addrdata, 15);
- ap192_4wire_finish(ice, tmp);
- }
- static unsigned char ap192_ak4114_read(void *private_data, unsigned char addr)
- {
- struct snd_ice1712 *ice = private_data;
- unsigned int tmp;
- unsigned char data;
- tmp = ap192_4wire_start(ice);
- write_data(ice, tmp, (AK4114_ADDR << 6) | (addr & 0x1f), 7);
- data = read_data(ice, tmp, 7);
- ap192_4wire_finish(ice, tmp);
- return data;
- }
- static int ap192_ak4114_init(struct snd_ice1712 *ice)
- {
- static const unsigned char ak4114_init_vals[] = {
- AK4114_RST | AK4114_PWN | AK4114_OCKS0,
- AK4114_DIF_I24I2S,
- AK4114_TX1E,
- AK4114_EFH_1024 | AK4114_DIT | AK4114_IPS(0),
- 0,
- 0
- };
- static const unsigned char ak4114_init_txcsb[] = {
- 0x41, 0x02, 0x2c, 0x00, 0x00
- };
- int err;
- struct revo51_spec *spec;
- spec = kzalloc(sizeof(*spec), GFP_KERNEL);
- if (!spec)
- return -ENOMEM;
- ice->spec = spec;
- err = snd_ak4114_create(ice->card,
- ap192_ak4114_read,
- ap192_ak4114_write,
- ak4114_init_vals, ak4114_init_txcsb,
- ice, &spec->ak4114);
- if (err < 0)
- return err;
- /* AK4114 in Revo cannot detect external rate correctly.
- * No reason to stop capture stream due to incorrect checks */
- spec->ak4114->check_flags = AK4114_CHECK_NO_RATE;
- return 0;
- }
- static int revo_init(struct snd_ice1712 *ice)
- {
- struct snd_akm4xxx *ak;
- int err;
- /* determine I2C, DACs and ADCs */
- switch (ice->eeprom.subvendor) {
- case VT1724_SUBDEVICE_REVOLUTION71:
- ice->num_total_dacs = 8;
- ice->num_total_adcs = 2;
- ice->gpio.i2s_mclk_changed = revo_i2s_mclk_changed;
- break;
- case VT1724_SUBDEVICE_REVOLUTION51:
- ice->num_total_dacs = 8;
- ice->num_total_adcs = 2;
- break;
- case VT1724_SUBDEVICE_AUDIOPHILE192:
- ice->num_total_dacs = 2;
- ice->num_total_adcs = 2;
- break;
- default:
- snd_BUG();
- return -EINVAL;
- }
- /* second stage of initialization, analog parts and others */
- ak = ice->akm = kcalloc(2, sizeof(struct snd_akm4xxx), GFP_KERNEL);
- if (! ak)
- return -ENOMEM;
- switch (ice->eeprom.subvendor) {
- case VT1724_SUBDEVICE_REVOLUTION71:
- ice->akm_codecs = 2;
- err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front,
- &akm_revo_front_priv, ice);
- if (err < 0)
- return err;
- err = snd_ice1712_akm4xxx_init(ak+1, &akm_revo_surround,
- &akm_revo_surround_priv, ice);
- if (err < 0)
- return err;
- /* unmute all codecs */
- snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
- VT1724_REVO_MUTE);
- break;
- case VT1724_SUBDEVICE_REVOLUTION51:
- ice->akm_codecs = 2;
- err = snd_ice1712_akm4xxx_init(ak, &akm_revo51,
- &akm_revo51_priv, ice);
- if (err < 0)
- return err;
- err = snd_ice1712_akm4xxx_init(ak+1, &akm_revo51_adc,
- &akm_revo51_adc_priv, ice);
- if (err < 0)
- return err;
- err = revo51_i2c_init(ice, &ptc_revo51_volume);
- if (err < 0)
- return err;
- /* unmute all codecs */
- snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
- VT1724_REVO_MUTE);
- break;
- case VT1724_SUBDEVICE_AUDIOPHILE192:
- ice->akm_codecs = 1;
- err = snd_ice1712_akm4xxx_init(ak, &akm_ap192, &akm_ap192_priv,
- ice);
- if (err < 0)
- return err;
- err = ap192_ak4114_init(ice);
- if (err < 0)
- return err;
-
- /* unmute all codecs */
- snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
- VT1724_REVO_MUTE);
- break;
- }
- return 0;
- }
- static int revo_add_controls(struct snd_ice1712 *ice)
- {
- struct revo51_spec *spec = ice->spec;
- int err;
- switch (ice->eeprom.subvendor) {
- case VT1724_SUBDEVICE_REVOLUTION71:
- err = snd_ice1712_akm4xxx_build_controls(ice);
- if (err < 0)
- return err;
- break;
- case VT1724_SUBDEVICE_REVOLUTION51:
- err = snd_ice1712_akm4xxx_build_controls(ice);
- if (err < 0)
- return err;
- spec = ice->spec;
- err = snd_pt2258_build_controls(spec->pt2258);
- if (err < 0)
- return err;
- break;
- case VT1724_SUBDEVICE_AUDIOPHILE192:
- err = snd_ice1712_akm4xxx_build_controls(ice);
- if (err < 0)
- return err;
- /* only capture SPDIF over AK4114 */
- err = snd_ak4114_build(spec->ak4114, NULL,
- ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
- if (err < 0)
- return err;
- break;
- }
- return 0;
- }
- /* entry point */
- struct snd_ice1712_card_info snd_vt1724_revo_cards[] = {
- {
- .subvendor = VT1724_SUBDEVICE_REVOLUTION71,
- .name = "M Audio Revolution-7.1",
- .model = "revo71",
- .chip_init = revo_init,
- .build_controls = revo_add_controls,
- },
- {
- .subvendor = VT1724_SUBDEVICE_REVOLUTION51,
- .name = "M Audio Revolution-5.1",
- .model = "revo51",
- .chip_init = revo_init,
- .build_controls = revo_add_controls,
- },
- {
- .subvendor = VT1724_SUBDEVICE_AUDIOPHILE192,
- .name = "M Audio Audiophile192",
- .model = "ap192",
- .chip_init = revo_init,
- .build_controls = revo_add_controls,
- },
- { } /* terminator */
- };
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