diff options
Diffstat (limited to 'sound/pci/ice1712/revo.c')
| -rw-r--r-- | sound/pci/ice1712/revo.c | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/sound/pci/ice1712/revo.c b/sound/pci/ice1712/revo.c new file mode 100644 index 000000000000..d48d42524ac5 --- /dev/null +++ b/sound/pci/ice1712/revo.c @@ -0,0 +1,205 @@ +/* + * ALSA driver for ICEnsemble ICE1712 (Envy24) + * + * Lowlevel functions for M-Audio Revolution 7.1 + * + * 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 <sound/driver.h> +#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" + +static void revo_i2s_mclk_changed(ice1712_t *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(akm4xxx_t *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) { + 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); /* the value is written in reset(0) */ + snd_akm4xxx_reset(ak, 0); +} + +/* + * initialize the chips on M-Audio Revolution cards + */ + +static akm4xxx_t akm_revo_front __devinitdata = { + .type = SND_AK4381, + .num_dacs = 2, + .ops = { + .set_rate_val = revo_set_rate_val + } +}; + +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 akm4xxx_t akm_revo_surround __devinitdata = { + .type = SND_AK4355, + .idx_offset = 1, + .num_dacs = 6, + .ops = { + .set_rate_val = revo_set_rate_val + } +}; + +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 unsigned int rates[] = { + 32000, 44100, 48000, 64000, 88200, 96000, + 176400, 192000, +}; + +static snd_pcm_hw_constraint_list_t revo_rates = { + .count = ARRAY_SIZE(rates), + .list = rates, + .mask = 0, +}; + +static int __devinit revo_init(ice1712_t *ice) +{ + akm4xxx_t *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; + break; + default: + snd_BUG(); + return -EINVAL; + } + + ice->gpio.i2s_mclk_changed = revo_i2s_mclk_changed; + + /* second stage of initialization, analog parts and others */ + ak = ice->akm = kcalloc(2, sizeof(akm4xxx_t), GFP_KERNEL); + if (! ak) + return -ENOMEM; + ice->akm_codecs = 2; + switch (ice->eeprom.subvendor) { + case VT1724_SUBDEVICE_REVOLUTION71: + if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front, &akm_revo_front_priv, ice)) < 0) + return err; + if ((err = snd_ice1712_akm4xxx_init(ak + 1, &akm_revo_surround, &akm_revo_surround_priv, ice)) < 0) + return err; + /* unmute all codecs */ + snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE); + break; + } + + ice->hw_rates = &revo_rates; /* AK codecs don't support lower than 32k */ + + return 0; +} + + +static int __devinit revo_add_controls(ice1712_t *ice) +{ + int err; + + switch (ice->eeprom.subvendor) { + case VT1724_SUBDEVICE_REVOLUTION71: + err = snd_ice1712_akm4xxx_build_controls(ice); + if (err < 0) + return err; + } + 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, + }, + { } /* terminator */ +}; |