/* * 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 <asm/io.h> #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; }; 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 __devinitdata = { .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 __devinitdata = { .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 __devinitdata = { .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 __devinitdata = { .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 __devinitdata = { .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 __devinitdata = { .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 __devinitdata = { .type = SND_AK5365, .num_adcs = 2, .adc_info = revo51_adc, }; static struct snd_ak4xxx_private akm_revo51_adc_priv __devinitdata = { .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 __devinitdata = { .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 __devinitdata = { .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, }; /* 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 0x02 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_CS1; 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_CS1; 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 __devinit ap192_ak4114_init(struct snd_ice1712 *ice) { static const unsigned char ak4114_init_vals[] = { AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1, AK4114_DIF_I24I2S, AK4114_TX1E, AK4114_EFH_1024 | AK4114_DIT | AK4114_IPS(1), 0, 0 }; static const unsigned char ak4114_init_txcsb[] = { 0x41, 0x02, 0x2c, 0x00, 0x00 }; struct ak4114 *ak; int err; err = snd_ak4114_create(ice->card, ap192_ak4114_read, ap192_ak4114_write, ak4114_init_vals, ak4114_init_txcsb, ice, &ak); /* AK4114 in Revo cannot detect external rate correctly. * No reason to stop capture stream due to incorrect checks */ ak->check_flags = AK4114_CHECK_NO_RATE; return 0; /* error ignored; it's no fatal error */ } static int __devinit 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; /* unmute all codecs */ snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE); break; } return 0; } static int __devinit revo_add_controls(struct snd_ice1712 *ice) { struct revo51_spec *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; err = ap192_ak4114_init(ice); if (err < 0) return err; break; } return 0; } /* entry point */ struct snd_ice1712_card_info snd_vt1724_revo_cards[] __devinitdata = { { .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 */ };