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/*
* Audio support for codec Philips UDA1380
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Copyright (c) 2005 Giorgio Padrin <giorgio@mandarinlogiq.org>
*/
#ifndef __SOUND_UDA1380_H
#define __SOUND_UDA1380_H
#include <linux/i2c.h>
enum snd_uda1380_capture_source {
SND_UDA1380_CAP_SOURCE_LINE_IN,
SND_UDA1380_CAP_SOURCE_MIC
};
struct snd_uda1380 {
struct semaphore sem;
u16 regs[0x29]; /* registers cache */
unsigned int
powered_on:1,
playback_on:1,
playback_switch_ureq:1,
playback_clock_on:1,
playback_stream_opened:1,
capture_on:1,
capture_switch_ureq:1,
capture_clock_on:1,
capture_stream_opened:1;
/* -- configuration (to fill before activation) -- */
unsigned int
line_in_connected:1,
mic_connected:1,
hp_connected:1,
hp_or_line_out;
enum snd_uda1380_capture_source capture_source;
void (*power_on_chip)(int on);
void (*reset_pin)(int on);
void (*line_out_on)(int on);
void (*line_in_on)(int on);
void (*mic_on)(int on);
struct i2c_client i2c_client; /* to fill .adapter and .addr */
/* ----------------------------------------------- */
struct {
u8 start_reg;
unsigned int count;
} cache_dirty[3];
struct {
int detected;
struct workqueue_struct *wq;
struct work_struct w;
} hp_detected;
};
/* Note: the functions (de)activate, (open|close)_stream, suspend|resume
* require the SYSCLK running
*/
/* don't forget to specify I2C adapter and address in i2c_client field */
int snd_uda1380_activate(struct snd_uda1380 *uda);
void snd_uda1380_deactivate(struct snd_uda1380 *uda);
int snd_uda1380_add_mixer_controls(struct snd_uda1380 *uda, struct snd_card *card);
int snd_uda1380_open_stream(struct snd_uda1380 *uda, int stream);
int snd_uda1380_close_stream(struct snd_uda1380 *uda, int stream);
int snd_uda1380_suspend(struct snd_uda1380 *uda, pm_message_t state);
int snd_uda1380_resume(struct snd_uda1380 *uda);
void snd_uda1380_hp_connected(struct snd_uda1380 *uda, int connected); /* non atomic context */
void snd_uda1380_hp_detected(struct snd_uda1380 *uda, int detected); /* atomic context */
#endif /* __SOUND_UDA1380_H */
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