ac97_impl.h revision 33ab04ab97e6a2ee82971255446a0aa4eace756e
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_AC97_IMPL_H
#define _SYS_AC97_IMPL_H
typedef void (*ac97_set_t)(ac97_ctrl_t *, uint64_t);
/*
* Per control state
*/
struct ac97_ctrl {
list_node_t actrl_linkage; /* For private cntrls list */
struct ac97 *actrl_ac97;
int actrl_bits; /* Port width */
audio_ctrl_t *actrl_ctrl; /* control framework handle */
ac97_set_t actrl_write_fn; /* control write function */
uint64_t actrl_value; /* current value in port */
uint64_t actrl_initval; /* initial value in port */
uint16_t actrl_muteable; /* if muteable, bits for it */
boolean_t actrl_suppress; /* if true, do not register */
audio_ctrl_desc_t actrl_desc; /* ctrl desc structure */
#define actrl_name actrl_desc.acd_name
#define actrl_minval actrl_desc.acd_minvalue
#define actrl_maxval actrl_desc.acd_maxvalue
#define actrl_type actrl_desc.acd_type
#define actrl_flags actrl_desc.acd_flags
#define actrl_enum actrl_desc.acd_enum
};
/*
* Function Type used on controls that are optional
* This will return non-zero if the control should be
* installed and configured.
*/
typedef int (*cp_probe_t)(ac97_t *ac);
/*
* This is used to enumerate and probe all controls that are
* supported and configurable on AC97 hardware
*/
typedef struct ac97_ctrl_probe {
const char *cp_name; /* name of control */
uint64_t cp_initval; /* Initial value for control */
uint64_t cp_minval; /* MIN value for control */
uint64_t cp_maxval; /* MAX value for control */
uint32_t cp_type; /* Type of control */
uint32_t cp_flags; /* control type flags */
uint16_t cp_muteable; /* Mute bit mask */
ac97_set_t cp_write_fn; /* control write function */
cp_probe_t cp_probe; /* Probe if control exists */
int cp_bits; /* Bits for volume controls */
const char **cp_enum; /* Enumeration value */
} ac97_ctrl_probe_t;
/*
* These are the flags for most of our controls
*/
#define AC97_RW (AUDIO_CTRL_FLAG_READABLE | AUDIO_CTRL_FLAG_WRITEABLE)
#define AC97_FLAGS (AC97_RW | AUDIO_CTRL_FLAG_POLL)
void ac_wr(ac97_t *, uint8_t, uint16_t);
uint16_t ac_rd(ac97_t *, uint8_t);
void ac_clr(ac97_t *, uint8_t, uint16_t);
void ac_set(ac97_t *, uint8_t, uint16_t);
void ac_add_control(ac97_t *, ac97_ctrl_probe_t *);
uint16_t ac_val_scale(int left, int right, int bits);
uint16_t ac_mono_scale(int val, int bits);
audio_dev_t *ac_get_dev(ac97_t *);
int ac_get_prop(ac97_t *, char *, int);
/* Codec specific initializations */
void ad1981a_init(ac97_t *);
void ad1981b_init(ac97_t *);
void alc650_init(ac97_t *);
void alc850_init(ac97_t *);
void cmi9738_init(ac97_t *);
void cmi9739_init(ac97_t *);
void cmi9761_init(ac97_t *);
#endif /* _SYS_AC97_IMPL_H */