/* * ALSA driver for ICEnsemble ICE1712 (Envy24) * * Lowlevel functions for M-Audio Delta 1010, 44, 66, Dio2496, Audiophile * * Copyright (c) 2000 Jaroslav Kysela <perex@suse.cz> * * 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 <sound/cs8427.h> #include <sound/asoundef.h> #include "ice1712.h" #include "delta.h" #define SND_CS8403 #include <sound/cs8403.h> /* * CS8427 via SPI mode (for Audiophile), emulated I2C */ /* send 8 bits */ static void ap_cs8427_write_byte(ice1712_t *ice, unsigned char data, unsigned char tmp) { int idx; for (idx = 7; idx >= 0; idx--) { tmp &= ~(ICE1712_DELTA_AP_DOUT|ICE1712_DELTA_AP_CCLK); if (data & (1 << idx)) tmp |= ICE1712_DELTA_AP_DOUT; snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp); udelay(5); tmp |= ICE1712_DELTA_AP_CCLK; snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp); udelay(5); } } /* read 8 bits */ static unsigned char ap_cs8427_read_byte(ice1712_t *ice, unsigned char tmp) { unsigned char data = 0; int idx; for (idx = 7; idx >= 0; idx--) { tmp &= ~ICE1712_DELTA_AP_CCLK; snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp); udelay(5); if (snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ICE1712_DELTA_AP_DIN) data |= 1 << idx; tmp |= ICE1712_DELTA_AP_CCLK; snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp); udelay(5); } return data; } /* assert chip select */ static unsigned char ap_cs8427_codec_select(ice1712_t *ice) { unsigned char tmp; tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA); tmp |= ICE1712_DELTA_AP_CCLK | ICE1712_DELTA_AP_CS_CODEC; tmp &= ~ICE1712_DELTA_AP_CS_DIGITAL; snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp); udelay(5); return tmp; } /* deassert chip select */ static void ap_cs8427_codec_deassert(ice1712_t *ice, unsigned char tmp) { tmp |= ICE1712_DELTA_AP_CS_DIGITAL; snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp); } /* sequential write */ static int ap_cs8427_sendbytes(snd_i2c_device_t *device, unsigned char *bytes, int count) { ice1712_t *ice = snd_magic_cast(ice1712_t, device->bus->private_data, return -EIO); int res = count; unsigned char tmp; down(&ice->gpio_mutex); tmp = ap_cs8427_codec_select(ice); ap_cs8427_write_byte(ice, (device->addr << 1) | 0, tmp); /* address + write mode */ while (count-- > 0) ap_cs8427_write_byte(ice, *bytes++, tmp); ap_cs8427_codec_deassert(ice, tmp); up(&ice->gpio_mutex); return res; } /* sequential read */ static int ap_cs8427_readbytes(snd_i2c_device_t *device, unsigned char *bytes, int count) { ice1712_t *ice = snd_magic_cast(ice1712_t, device->bus->private_data, return -EIO); int res = count; unsigned char tmp; down(&ice->gpio_mutex); tmp = ap_cs8427_codec_select(ice); ap_cs8427_write_byte(ice, (device->addr << 1) | 1, tmp); /* address + read mode */ while (count-- > 0) *bytes++ = ap_cs8427_read_byte(ice, tmp); ap_cs8427_codec_deassert(ice, tmp); up(&ice->gpio_mutex); return res; } static int ap_cs8427_probeaddr(snd_i2c_bus_t *bus, unsigned short addr) { if (addr == 0x10) return 1; return -ENOENT; } static snd_i2c_ops_t ap_cs8427_i2c_ops = { .sendbytes = ap_cs8427_sendbytes, .readbytes = ap_cs8427_readbytes, .probeaddr = ap_cs8427_probeaddr, }; /* */ static void snd_ice1712_delta_cs8403_spdif_write(ice1712_t *ice, unsigned char bits) { unsigned char tmp, mask1, mask2; int idx; /* send byte to transmitter */ mask1 = ICE1712_DELTA_SPDIF_OUT_STAT_CLOCK; mask2 = ICE1712_DELTA_SPDIF_OUT_STAT_DATA; down(&ice->gpio_mutex); tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA); for (idx = 7; idx >= 0; idx--) { tmp &= ~(mask1 | mask2); if (bits & (1 << idx)) tmp |= mask2; snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp); udelay(100); tmp |= mask1; snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp); udelay(100); } tmp &= ~mask1; snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp); up(&ice->gpio_mutex); } static void delta_spdif_default_get(ice1712_t *ice, snd_ctl_elem_value_t * ucontrol) { snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_bits); } static int delta_spdif_default_put(ice1712_t *ice, snd_ctl_elem_value_t * ucontrol) { unsigned long flags; unsigned int val; int change; val = snd_cs8403_encode_spdif_bits(&ucontrol->value.iec958); spin_lock_irqsave(&ice->reg_lock, flags); change = ice->spdif.cs8403_bits != val; ice->spdif.cs8403_bits = val; if (change && ice->playback_pro_substream == NULL) { spin_unlock_irqrestore(&ice->reg_lock, flags); snd_ice1712_delta_cs8403_spdif_write(ice, val); } else { spin_unlock_irqrestore(&ice->reg_lock, flags); } return change; } static void delta_spdif_stream_get(ice1712_t *ice, snd_ctl_elem_value_t * ucontrol) { snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_stream_bits); } static int delta_spdif_stream_put(ice1712_t *ice, snd_ctl_elem_value_t * ucontrol) { unsigned long flags; unsigned int val; int change; val = snd_cs8403_encode_spdif_bits(&ucontrol->value.iec958); spin_lock_irqsave(&ice->reg_lock, flags); change = ice->spdif.cs8403_stream_bits != val; ice->spdif.cs8403_stream_bits = val; if (change && ice->playback_pro_substream != NULL) { spin_unlock_irqrestore(&ice->reg_lock, flags); snd_ice1712_delta_cs8403_spdif_write(ice, val); } else { spin_unlock_irqrestore(&ice->reg_lock, flags); } return change; } /* * AK4524 on Delta 44 and 66 to choose the chip mask */ static int delta_ak4524_start(ice1712_t *ice, unsigned char *saved, int chip) { snd_ice1712_save_gpio_status(ice, saved); ice->ak4524.codecs_mask = chip == 0 ? ICE1712_DELTA_CODEC_CHIP_A : ICE1712_DELTA_CODEC_CHIP_B; return 0; } /* * change the rate of AK4524 on Delta 44/66 and AP */ static void delta_ak4524_set_rate_val(ice1712_t *ice, unsigned char val) { unsigned char tmp, tmp2; /* check before reset ak4524 to avoid unnecessary clicks */ down(&ice->gpio_mutex); tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA); up(&ice->gpio_mutex); tmp2 = tmp; tmp2 &= ~ICE1712_DELTA_DFS; if (val == 15 || val == 11 || val == 7) tmp2 |= ICE1712_DELTA_DFS; if (tmp == tmp2) return; /* do it again */ snd_ice1712_ak4524_reset(ice, 1); down(&ice->gpio_mutex); tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA); if (val == 15 || val == 11 || val == 7) { tmp |= ICE1712_DELTA_DFS; } else { tmp &= ~ICE1712_DELTA_DFS; } snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp); up(&ice->gpio_mutex); snd_ice1712_ak4524_reset(ice, 0); } /* * SPDIF ops for Delta 1010, Dio, 66 */ /* open callback */ static void delta_open_spdif(ice1712_t *ice, snd_pcm_substream_t * substream) { ice->spdif.cs8403_stream_bits = ice->spdif.cs8403_bits; } /* set up */ static void delta_setup_spdif(ice1712_t *ice, snd_pcm_substream_t * substream) { unsigned long flags; unsigned int tmp; int change; spin_lock_irqsave(&ice->reg_lock, flags); tmp = ice->spdif.cs8403_stream_bits; if (tmp & 0x01) /* consumer */ tmp &= (tmp & 0x01) ? ~0x06 : ~0x18; switch (substream->runtime->rate) { case 32000: tmp |= (tmp & 0x01) ? 0x04 : 0x00; break; case 44100: tmp |= (tmp & 0x01) ? 0x00 : 0x10; break; case 48000: tmp |= (tmp & 0x01) ? 0x02 : 0x08; break; default: tmp |= (tmp & 0x01) ? 0x00 : 0x18; break; } change = ice->spdif.cs8403_stream_bits != tmp; ice->spdif.cs8403_stream_bits = tmp; spin_unlock_irqrestore(&ice->reg_lock, flags); if (change) snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &ice->spdif.stream_ctl->id); snd_ice1712_delta_cs8403_spdif_write(ice, tmp); } /* * initialize the chips on M-Audio cards */ static int __devinit snd_ice1712_delta_init(ice1712_t *ice) { int err; ak4524_t *ak; /* determine I2C, DACs and ADCs */ switch (ice->eeprom.subvendor) { case ICE1712_SUBDEVICE_AUDIOPHILE: ice->num_total_dacs = 2; break; case ICE1712_SUBDEVICE_DELTA44: case ICE1712_SUBDEVICE_DELTA66: ice->num_total_dacs = ice->omni ? 8 : 4; break; case ICE1712_SUBDEVICE_DELTA1010: ice->num_total_dacs = 8; break; } /* initialize spdif */ switch (ice->eeprom.subvendor) { case ICE1712_SUBDEVICE_AUDIOPHILE: if ((err = snd_i2c_bus_create(ice->card, "ICE1712 GPIO 1", NULL, &ice->i2c)) < 0) { snd_printk("unable to create I2C bus\n"); return err; } ice->i2c->private_data = ice; ice->i2c->ops = &ap_cs8427_i2c_ops; if ((err = snd_ice1712_init_cs8427(ice, CS8427_BASE_ADDR)) < 0) return err; break; case ICE1712_SUBDEVICE_DELTA1010: case ICE1712_SUBDEVICE_DELTADIO2496: case ICE1712_SUBDEVICE_DELTA66: ice->spdif.ops.open = delta_open_spdif; ice->spdif.ops.setup = delta_setup_spdif; ice->spdif.ops.default_get = delta_spdif_default_get; ice->spdif.ops.default_put = delta_spdif_default_put; ice->spdif.ops.stream_get = delta_spdif_stream_get; ice->spdif.ops.stream_put = delta_spdif_stream_put; /* Set spdif defaults */ snd_ice1712_delta_cs8403_spdif_write(ice, ice->spdif.cs8403_bits); break; } /* second stage of initialization, analog parts and others */ ak = &ice->ak4524; switch (ice->eeprom.subvendor) { case ICE1712_SUBDEVICE_AUDIOPHILE: ak->num_adcs = ak->num_dacs = 2; ak->is_ak4528 = 1; ak->cif = 0; /* the default level of the CIF pin from AK4524 */ ak->data_mask = ICE1712_DELTA_AP_DOUT; ak->clk_mask = ICE1712_DELTA_AP_CCLK; ak->codecs_mask = ICE1712_DELTA_AP_CS_CODEC; /* select AK4528 codec */ ak->add_flags = ICE1712_DELTA_AP_CS_DIGITAL; /* assert digital high */ ak->ops.set_rate_val = delta_ak4524_set_rate_val; snd_ice1712_ak4524_init(ice); break; case ICE1712_SUBDEVICE_DELTA66: case ICE1712_SUBDEVICE_DELTA44: ak->num_adcs = ak->num_dacs = 4; ak->cif = 0; /* the default level of the CIF pin from AK4524 */ ak->data_mask = ICE1712_DELTA_CODEC_SERIAL_DATA; ak->clk_mask = ICE1712_DELTA_CODEC_SERIAL_CLOCK; ak->codecs_mask = 0; /* set later */ ak->add_flags = 0; ak->ops.start = delta_ak4524_start; ak->ops.set_rate_val = delta_ak4524_set_rate_val; snd_ice1712_ak4524_init(ice); break; } return 0; } /* * additional controls for M-Audio cards */ static snd_kcontrol_new_t snd_ice1712_delta1010_wordclock_select __devinitdata = ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_PCM, "Word Clock Sync", 0, ICE1712_DELTA_WORD_CLOCK_SELECT, 1, 0); static snd_kcontrol_new_t snd_ice1712_delta1010_wordclock_status __devinitdata = ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_PCM, "Word Clock Status", 0, ICE1712_DELTA_WORD_CLOCK_STATUS, 1, SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE); static snd_kcontrol_new_t snd_ice1712_deltadio2496_spdif_in_select __devinitdata = ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_PCM, "IEC958 Input Optical", 0, ICE1712_DELTA_SPDIF_INPUT_SELECT, 0, 0); static snd_kcontrol_new_t snd_ice1712_delta_spdif_in_status __devinitdata = ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_PCM, "Delta IEC958 Input Status", 0, ICE1712_DELTA_SPDIF_IN_STAT, 1, SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE); static int __devinit snd_ice1712_delta_add_controls(ice1712_t *ice) { int err; /* 1010 and dio specific controls */ switch (ice->eeprom.subvendor) { case ICE1712_SUBDEVICE_DELTA1010: err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010_wordclock_select, ice)); if (err < 0) return err; err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010_wordclock_status, ice)); if (err < 0) return err; break; case ICE1712_SUBDEVICE_DELTADIO2496: err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_deltadio2496_spdif_in_select, ice)); if (err < 0) return err; break; } /* normal spdif controls */ switch (ice->eeprom.subvendor) { case ICE1712_SUBDEVICE_DELTA1010: case ICE1712_SUBDEVICE_DELTADIO2496: case ICE1712_SUBDEVICE_DELTA66: case ICE1712_SUBDEVICE_AUDIOPHILE: err = snd_ice1712_spdif_build_controls(ice); if (err < 0) return err; break; } /* spdif status in */ switch (ice->eeprom.subvendor) { case ICE1712_SUBDEVICE_DELTA1010: case ICE1712_SUBDEVICE_DELTADIO2496: case ICE1712_SUBDEVICE_DELTA66: err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta_spdif_in_status, ice)); if (err < 0) return err; break; } /* ak4524 controls */ switch (ice->eeprom.subvendor) { case ICE1712_SUBDEVICE_AUDIOPHILE: case ICE1712_SUBDEVICE_DELTA44: case ICE1712_SUBDEVICE_DELTA66: err = snd_ice1712_ak4524_build_controls(ice); if (err < 0) return err; break; } return 0; } /* entry point */ struct snd_ice1712_card_info snd_ice1712_delta_cards[] __devinitdata = { { ICE1712_SUBDEVICE_DELTA1010, "M Audio Delta 1010", snd_ice1712_delta_init, snd_ice1712_delta_add_controls, }, { ICE1712_SUBDEVICE_DELTADIO2496, "M Audio Delta DiO 2496", snd_ice1712_delta_init, snd_ice1712_delta_add_controls, 1, /* NO MPU */ }, { ICE1712_SUBDEVICE_DELTA66, "M Audio Delta 66", snd_ice1712_delta_init, snd_ice1712_delta_add_controls, 1, /* NO MPU */ }, { ICE1712_SUBDEVICE_DELTA44, "M Audio Delta 44", snd_ice1712_delta_init, snd_ice1712_delta_add_controls, 1, /* NO MPU */ }, { ICE1712_SUBDEVICE_AUDIOPHILE, "M Audio Audiophile 24/96", snd_ice1712_delta_init, snd_ice1712_delta_add_controls, }, { ICE1712_SUBDEVICE_DELTA1010LT, "M Audio Delta 1010LT", snd_ice1712_delta_init, snd_ice1712_delta_add_controls, }, { } /* terminator */ };