// SPDX-License-Identifier: GPL-2.0-or-later /* * ALSA driver for ICEnsemble ICE1712 (Envy24) * * Lowlevel functions for Terratec EWS88MT/D, EWX24/96, DMX 6Fire * * Copyright (c) 2000 Jaroslav Kysela <[email protected]> * 2002 Takashi Iwai <[email protected]> */ #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 "ews.h" #define SND_CS8404 #include <sound/cs8403.h> enum { … }; /* additional i2c devices for EWS boards */ struct ews_spec { … }; /* * access via i2c mode (for EWX 24/96, EWS 88MT&D) */ /* send SDA and SCL */ static void ewx_i2c_setlines(struct snd_i2c_bus *bus, int clk, int data) { … } static int ewx_i2c_getclock(struct snd_i2c_bus *bus) { … } static int ewx_i2c_getdata(struct snd_i2c_bus *bus, int ack) { … } static void ewx_i2c_start(struct snd_i2c_bus *bus) { … } static void ewx_i2c_stop(struct snd_i2c_bus *bus) { … } static void ewx_i2c_direction(struct snd_i2c_bus *bus, int clock, int data) { … } static struct snd_i2c_bit_ops snd_ice1712_ewx_cs8427_bit_ops = …; /* * AK4524 access */ /* AK4524 chip select; address 0x48 bit 0-3 */ static int snd_ice1712_ews88mt_chip_select(struct snd_ice1712 *ice, int chip_mask) { … } /* start callback for EWS88MT, needs to select a certain chip mask */ static void ews88mt_ak4524_lock(struct snd_akm4xxx *ak, int chip) { … } /* stop callback for EWS88MT, needs to deselect chip mask */ static void ews88mt_ak4524_unlock(struct snd_akm4xxx *ak, int chip) { … } /* start callback for EWX24/96 */ static void ewx2496_ak4524_lock(struct snd_akm4xxx *ak, int chip) { … } /* start callback for DMX 6fire */ static void dmx6fire_ak4524_lock(struct snd_akm4xxx *ak, int chip) { … } /* * CS8404 interface on EWS88MT/D */ static void snd_ice1712_ews_cs8404_spdif_write(struct snd_ice1712 *ice, unsigned char bits) { … } /* */ static void ews88_spdif_default_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol) { … } static int ews88_spdif_default_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol) { … } static void ews88_spdif_stream_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol) { … } static int ews88_spdif_stream_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol) { … } /* open callback */ static void ews88_open_spdif(struct snd_ice1712 *ice, struct snd_pcm_substream *substream) { … } /* set up SPDIF for EWS88MT / EWS88D */ static void ews88_setup_spdif(struct snd_ice1712 *ice, int rate) { … } /* */ static const struct snd_akm4xxx akm_ews88mt = …; static const struct snd_ak4xxx_private akm_ews88mt_priv = …; static const struct snd_akm4xxx akm_ewx2496 = …; static const struct snd_ak4xxx_private akm_ewx2496_priv = …; static const struct snd_akm4xxx akm_6fire = …; static const struct snd_ak4xxx_private akm_6fire_priv = …; /* * initialize the chip */ /* 6fire specific */ #define PCF9554_REG_INPUT … #define PCF9554_REG_OUTPUT … #define PCF9554_REG_POLARITY … #define PCF9554_REG_CONFIG … static int snd_ice1712_6fire_write_pca(struct snd_ice1712 *ice, unsigned char reg, unsigned char data); static int snd_ice1712_ews_init(struct snd_ice1712 *ice) { … } /* * EWX 24/96 specific controls */ /* i/o sensitivity - this callback is shared among other devices, too */ static int snd_ice1712_ewx_io_sense_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo){ … } static int snd_ice1712_ewx_io_sense_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_ice1712_ewx_io_sense_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const struct snd_kcontrol_new snd_ice1712_ewx2496_controls[] = …; /* * EWS88MT specific controls */ /* analog output sensitivity;; address 0x48 bit 6 */ static int snd_ice1712_ews88mt_output_sense_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } /* analog output sensitivity;; address 0x48 bit 6 */ static int snd_ice1712_ews88mt_output_sense_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } /* analog input sensitivity; address 0x46 */ static int snd_ice1712_ews88mt_input_sense_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } /* analog output sensitivity; address 0x46 */ static int snd_ice1712_ews88mt_input_sense_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static const struct snd_kcontrol_new snd_ice1712_ews88mt_input_sense = …; static const struct snd_kcontrol_new snd_ice1712_ews88mt_output_sense = …; /* * EWS88D specific controls */ #define snd_ice1712_ews88d_control_info … static int snd_ice1712_ews88d_control_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_ice1712_ews88d_control_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } #define EWS88D_CONTROL(xiface, xname, xshift, xinvert, xaccess) … static const struct snd_kcontrol_new snd_ice1712_ews88d_controls[] = …; /* * DMX 6Fire specific controls */ static int snd_ice1712_6fire_read_pca(struct snd_ice1712 *ice, unsigned char reg) { … } static int snd_ice1712_6fire_write_pca(struct snd_ice1712 *ice, unsigned char reg, unsigned char data) { … } #define snd_ice1712_6fire_control_info … static int snd_ice1712_6fire_control_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_ice1712_6fire_control_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_ice1712_6fire_select_input_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { … } static int snd_ice1712_6fire_select_input_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } static int snd_ice1712_6fire_select_input_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { … } #define DMX6FIRE_CONTROL(xname, xshift, xinvert) … static const struct snd_kcontrol_new snd_ice1712_6fire_controls[] = …; static int snd_ice1712_ews_add_controls(struct snd_ice1712 *ice) { … } /* entry point */ struct snd_ice1712_card_info snd_ice1712_ews_cards[] = …;
Codebase Browser
linux