535 lines
17 KiB
C
535 lines
17 KiB
C
|
/*
|
||
|
* Universal Interface for Intel High Definition Audio Codec
|
||
|
*
|
||
|
* Copyright (c) 2004 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.
|
||
|
*/
|
||
|
|
||
|
#ifndef __SOUND_HDA_CODEC_H
|
||
|
#define __SOUND_HDA_CODEC_H
|
||
|
|
||
|
#include <linux/kref.h>
|
||
|
#include <linux/mod_devicetable.h>
|
||
|
#include <sound/info.h>
|
||
|
#include <sound/control.h>
|
||
|
#include <sound/pcm.h>
|
||
|
#include <sound/hwdep.h>
|
||
|
#include <sound/hdaudio.h>
|
||
|
#include <sound/hda_verbs.h>
|
||
|
#include <sound/hda_regmap.h>
|
||
|
|
||
|
/*
|
||
|
* Structures
|
||
|
*/
|
||
|
|
||
|
struct hda_bus;
|
||
|
struct hda_beep;
|
||
|
struct hda_codec;
|
||
|
struct hda_pcm;
|
||
|
struct hda_pcm_stream;
|
||
|
|
||
|
/*
|
||
|
* codec bus
|
||
|
*
|
||
|
* each controller needs to creata a hda_bus to assign the accessor.
|
||
|
* A hda_bus contains several codecs in the list codec_list.
|
||
|
*/
|
||
|
struct hda_bus {
|
||
|
struct hdac_bus core;
|
||
|
|
||
|
struct snd_card *card;
|
||
|
|
||
|
struct pci_dev *pci;
|
||
|
const char *modelname;
|
||
|
|
||
|
struct mutex prepare_mutex;
|
||
|
|
||
|
/* assigned PCMs */
|
||
|
DECLARE_BITMAP(pcm_dev_bits, SNDRV_PCM_DEVICES);
|
||
|
|
||
|
/* misc op flags */
|
||
|
unsigned int needs_damn_long_delay :1;
|
||
|
unsigned int allow_bus_reset:1; /* allow bus reset at fatal error */
|
||
|
/* status for codec/controller */
|
||
|
unsigned int shutdown :1; /* being unloaded */
|
||
|
unsigned int response_reset:1; /* controller was reset */
|
||
|
unsigned int in_reset:1; /* during reset operation */
|
||
|
unsigned int no_response_fallback:1; /* don't fallback at RIRB error */
|
||
|
|
||
|
int primary_dig_out_type; /* primary digital out PCM type */
|
||
|
unsigned int mixer_assigned; /* codec addr for mixer name */
|
||
|
};
|
||
|
|
||
|
/* from hdac_bus to hda_bus */
|
||
|
#define to_hda_bus(bus) container_of(bus, struct hda_bus, core)
|
||
|
|
||
|
/*
|
||
|
* codec preset
|
||
|
*
|
||
|
* Known codecs have the patch to build and set up the controls/PCMs
|
||
|
* better than the generic parser.
|
||
|
*/
|
||
|
typedef int (*hda_codec_patch_t)(struct hda_codec *);
|
||
|
|
||
|
#define HDA_CODEC_ID_SKIP_PROBE 0x00000001
|
||
|
#define HDA_CODEC_ID_GENERIC_HDMI 0x00000101
|
||
|
#define HDA_CODEC_ID_GENERIC 0x00000201
|
||
|
|
||
|
#define HDA_CODEC_REV_ENTRY(_vid, _rev, _name, _patch) \
|
||
|
{ .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \
|
||
|
.api_version = HDA_DEV_LEGACY, \
|
||
|
.driver_data = (unsigned long)(_patch) }
|
||
|
#define HDA_CODEC_ENTRY(_vid, _name, _patch) \
|
||
|
HDA_CODEC_REV_ENTRY(_vid, 0, _name, _patch)
|
||
|
|
||
|
struct hda_codec_driver {
|
||
|
struct hdac_driver core;
|
||
|
const struct hda_device_id *id;
|
||
|
};
|
||
|
|
||
|
int __hda_codec_driver_register(struct hda_codec_driver *drv, const char *name,
|
||
|
struct module *owner);
|
||
|
#define hda_codec_driver_register(drv) \
|
||
|
__hda_codec_driver_register(drv, KBUILD_MODNAME, THIS_MODULE)
|
||
|
void hda_codec_driver_unregister(struct hda_codec_driver *drv);
|
||
|
#define module_hda_codec_driver(drv) \
|
||
|
module_driver(drv, hda_codec_driver_register, \
|
||
|
hda_codec_driver_unregister)
|
||
|
|
||
|
/* ops set by the preset patch */
|
||
|
struct hda_codec_ops {
|
||
|
int (*build_controls)(struct hda_codec *codec);
|
||
|
int (*build_pcms)(struct hda_codec *codec);
|
||
|
int (*init)(struct hda_codec *codec);
|
||
|
void (*free)(struct hda_codec *codec);
|
||
|
void (*unsol_event)(struct hda_codec *codec, unsigned int res);
|
||
|
void (*set_power_state)(struct hda_codec *codec, hda_nid_t fg,
|
||
|
unsigned int power_state);
|
||
|
#ifdef CONFIG_PM
|
||
|
int (*suspend)(struct hda_codec *codec);
|
||
|
int (*resume)(struct hda_codec *codec);
|
||
|
int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid);
|
||
|
#endif
|
||
|
void (*reboot_notify)(struct hda_codec *codec);
|
||
|
void (*stream_pm)(struct hda_codec *codec, hda_nid_t nid, bool on);
|
||
|
};
|
||
|
|
||
|
/* PCM callbacks */
|
||
|
struct hda_pcm_ops {
|
||
|
int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec,
|
||
|
struct snd_pcm_substream *substream);
|
||
|
int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec,
|
||
|
struct snd_pcm_substream *substream);
|
||
|
int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec,
|
||
|
unsigned int stream_tag, unsigned int format,
|
||
|
struct snd_pcm_substream *substream);
|
||
|
int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec,
|
||
|
struct snd_pcm_substream *substream);
|
||
|
unsigned int (*get_delay)(struct hda_pcm_stream *info,
|
||
|
struct hda_codec *codec,
|
||
|
struct snd_pcm_substream *substream);
|
||
|
};
|
||
|
|
||
|
/* PCM information for each substream */
|
||
|
struct hda_pcm_stream {
|
||
|
unsigned int substreams; /* number of substreams, 0 = not exist*/
|
||
|
unsigned int channels_min; /* min. number of channels */
|
||
|
unsigned int channels_max; /* max. number of channels */
|
||
|
hda_nid_t nid; /* default NID to query rates/formats/bps, or set up */
|
||
|
u32 rates; /* supported rates */
|
||
|
u64 formats; /* supported formats (SNDRV_PCM_FMTBIT_) */
|
||
|
unsigned int maxbps; /* supported max. bit per sample */
|
||
|
const struct snd_pcm_chmap_elem *chmap; /* chmap to override */
|
||
|
struct hda_pcm_ops ops;
|
||
|
};
|
||
|
|
||
|
/* PCM types */
|
||
|
enum {
|
||
|
HDA_PCM_TYPE_AUDIO,
|
||
|
HDA_PCM_TYPE_SPDIF,
|
||
|
HDA_PCM_TYPE_HDMI,
|
||
|
HDA_PCM_TYPE_MODEM,
|
||
|
HDA_PCM_NTYPES
|
||
|
};
|
||
|
|
||
|
#define SNDRV_PCM_INVALID_DEVICE (-1)
|
||
|
/* for PCM creation */
|
||
|
struct hda_pcm {
|
||
|
char *name;
|
||
|
struct hda_pcm_stream stream[2];
|
||
|
unsigned int pcm_type; /* HDA_PCM_TYPE_XXX */
|
||
|
int device; /* device number to assign */
|
||
|
struct snd_pcm *pcm; /* assigned PCM instance */
|
||
|
bool own_chmap; /* codec driver provides own channel maps */
|
||
|
/* private: */
|
||
|
struct hda_codec *codec;
|
||
|
struct kref kref;
|
||
|
struct list_head list;
|
||
|
};
|
||
|
|
||
|
/* codec information */
|
||
|
struct hda_codec {
|
||
|
struct hdac_device core;
|
||
|
struct hda_bus *bus;
|
||
|
struct snd_card *card;
|
||
|
unsigned int addr; /* codec addr*/
|
||
|
u32 probe_id; /* overridden id for probing */
|
||
|
|
||
|
/* detected preset */
|
||
|
const struct hda_device_id *preset;
|
||
|
const char *modelname; /* model name for preset */
|
||
|
|
||
|
/* set by patch */
|
||
|
struct hda_codec_ops patch_ops;
|
||
|
|
||
|
/* PCM to create, set by patch_ops.build_pcms callback */
|
||
|
struct list_head pcm_list_head;
|
||
|
|
||
|
/* codec specific info */
|
||
|
void *spec;
|
||
|
|
||
|
/* beep device */
|
||
|
struct hda_beep *beep;
|
||
|
unsigned int beep_mode;
|
||
|
|
||
|
/* widget capabilities cache */
|
||
|
u32 *wcaps;
|
||
|
|
||
|
struct snd_array mixers; /* list of assigned mixer elements */
|
||
|
struct snd_array nids; /* list of mapped mixer elements */
|
||
|
|
||
|
struct list_head conn_list; /* linked-list of connection-list */
|
||
|
|
||
|
struct mutex spdif_mutex;
|
||
|
struct mutex control_mutex;
|
||
|
struct snd_array spdif_out;
|
||
|
unsigned int spdif_in_enable; /* SPDIF input enable? */
|
||
|
const hda_nid_t *slave_dig_outs; /* optional digital out slave widgets */
|
||
|
struct snd_array init_pins; /* initial (BIOS) pin configurations */
|
||
|
struct snd_array driver_pins; /* pin configs set by codec parser */
|
||
|
struct snd_array cvt_setups; /* audio convert setups */
|
||
|
|
||
|
struct mutex user_mutex;
|
||
|
#ifdef CONFIG_SND_HDA_RECONFIG
|
||
|
struct snd_array init_verbs; /* additional init verbs */
|
||
|
struct snd_array hints; /* additional hints */
|
||
|
struct snd_array user_pins; /* default pin configs to override */
|
||
|
#endif
|
||
|
|
||
|
#ifdef CONFIG_SND_HDA_HWDEP
|
||
|
struct snd_hwdep *hwdep; /* assigned hwdep device */
|
||
|
#endif
|
||
|
|
||
|
/* misc flags */
|
||
|
unsigned int in_freeing:1; /* being released */
|
||
|
unsigned int registered:1; /* codec was registered */
|
||
|
unsigned int spdif_status_reset :1; /* needs to toggle SPDIF for each
|
||
|
* status change
|
||
|
* (e.g. Realtek codecs)
|
||
|
*/
|
||
|
unsigned int pin_amp_workaround:1; /* pin out-amp takes index
|
||
|
* (e.g. Conexant codecs)
|
||
|
*/
|
||
|
unsigned int single_adc_amp:1; /* adc in-amp takes no index
|
||
|
* (e.g. CX20549 codec)
|
||
|
*/
|
||
|
unsigned int no_sticky_stream:1; /* no sticky-PCM stream assignment */
|
||
|
unsigned int pins_shutup:1; /* pins are shut up */
|
||
|
unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
|
||
|
unsigned int no_jack_detect:1; /* Machine has no jack-detection */
|
||
|
unsigned int inv_eapd:1; /* broken h/w: inverted EAPD control */
|
||
|
unsigned int inv_jack_detect:1; /* broken h/w: inverted detection bit */
|
||
|
unsigned int pcm_format_first:1; /* PCM format must be set first */
|
||
|
unsigned int cached_write:1; /* write only to caches */
|
||
|
unsigned int dp_mst:1; /* support DP1.2 Multi-stream transport */
|
||
|
unsigned int dump_coef:1; /* dump processing coefs in codec proc file */
|
||
|
unsigned int power_save_node:1; /* advanced PM for each widget */
|
||
|
unsigned int auto_runtime_pm:1; /* enable automatic codec runtime pm */
|
||
|
unsigned int force_pin_prefix:1; /* Add location prefix */
|
||
|
unsigned int link_down_at_suspend:1; /* link down at runtime suspend */
|
||
|
#ifdef CONFIG_PM
|
||
|
unsigned long power_on_acct;
|
||
|
unsigned long power_off_acct;
|
||
|
unsigned long power_jiffies;
|
||
|
#endif
|
||
|
|
||
|
/* filter the requested power state per nid */
|
||
|
unsigned int (*power_filter)(struct hda_codec *codec, hda_nid_t nid,
|
||
|
unsigned int power_state);
|
||
|
|
||
|
/* codec-specific additional proc output */
|
||
|
void (*proc_widget_hook)(struct snd_info_buffer *buffer,
|
||
|
struct hda_codec *codec, hda_nid_t nid);
|
||
|
|
||
|
/* jack detection */
|
||
|
struct snd_array jacktbl;
|
||
|
unsigned long jackpoll_interval; /* In jiffies. Zero means no poll, rely on unsol events */
|
||
|
struct delayed_work jackpoll_work;
|
||
|
|
||
|
/* jack detection */
|
||
|
struct snd_array jacks;
|
||
|
|
||
|
int depop_delay; /* depop delay in ms, -1 for default delay time */
|
||
|
|
||
|
/* fix-up list */
|
||
|
int fixup_id;
|
||
|
const struct hda_fixup *fixup_list;
|
||
|
const char *fixup_name;
|
||
|
|
||
|
/* additional init verbs */
|
||
|
struct snd_array verbs;
|
||
|
};
|
||
|
|
||
|
#define dev_to_hda_codec(_dev) container_of(_dev, struct hda_codec, core.dev)
|
||
|
#define hda_codec_dev(_dev) (&(_dev)->core.dev)
|
||
|
|
||
|
#define list_for_each_codec(c, bus) \
|
||
|
list_for_each_entry(c, &(bus)->core.codec_list, core.list)
|
||
|
#define list_for_each_codec_safe(c, n, bus) \
|
||
|
list_for_each_entry_safe(c, n, &(bus)->core.codec_list, core.list)
|
||
|
|
||
|
/* snd_hda_codec_read/write optional flags */
|
||
|
#define HDA_RW_NO_RESPONSE_FALLBACK (1 << 0)
|
||
|
|
||
|
/*
|
||
|
* constructors
|
||
|
*/
|
||
|
int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
|
||
|
unsigned int codec_addr, struct hda_codec **codecp);
|
||
|
int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card,
|
||
|
unsigned int codec_addr, struct hda_codec *codec);
|
||
|
int snd_hda_codec_configure(struct hda_codec *codec);
|
||
|
int snd_hda_codec_update_widgets(struct hda_codec *codec);
|
||
|
|
||
|
/*
|
||
|
* low level functions
|
||
|
*/
|
||
|
static inline unsigned int
|
||
|
snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
|
||
|
int flags,
|
||
|
unsigned int verb, unsigned int parm)
|
||
|
{
|
||
|
return snd_hdac_codec_read(&codec->core, nid, flags, verb, parm);
|
||
|
}
|
||
|
|
||
|
static inline int
|
||
|
snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int flags,
|
||
|
unsigned int verb, unsigned int parm)
|
||
|
{
|
||
|
return snd_hdac_codec_write(&codec->core, nid, flags, verb, parm);
|
||
|
}
|
||
|
|
||
|
#define snd_hda_param_read(codec, nid, param) \
|
||
|
snd_hdac_read_parm(&(codec)->core, nid, param)
|
||
|
#define snd_hda_get_sub_nodes(codec, nid, start_nid) \
|
||
|
snd_hdac_get_sub_nodes(&(codec)->core, nid, start_nid)
|
||
|
int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
|
||
|
hda_nid_t *conn_list, int max_conns);
|
||
|
static inline int
|
||
|
snd_hda_get_num_conns(struct hda_codec *codec, hda_nid_t nid)
|
||
|
{
|
||
|
return snd_hda_get_connections(codec, nid, NULL, 0);
|
||
|
}
|
||
|
|
||
|
#define snd_hda_get_raw_connections(codec, nid, list, max_conns) \
|
||
|
snd_hdac_get_connections(&(codec)->core, nid, list, max_conns)
|
||
|
#define snd_hda_get_num_raw_conns(codec, nid) \
|
||
|
snd_hdac_get_connections(&(codec)->core, nid, NULL, 0);
|
||
|
|
||
|
int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
|
||
|
const hda_nid_t **listp);
|
||
|
int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int nums,
|
||
|
const hda_nid_t *list);
|
||
|
int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
|
||
|
hda_nid_t nid, int recursive);
|
||
|
unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid);
|
||
|
int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
|
||
|
u8 *dev_list, int max_devices);
|
||
|
int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid);
|
||
|
int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id);
|
||
|
|
||
|
struct hda_verb {
|
||
|
hda_nid_t nid;
|
||
|
u32 verb;
|
||
|
u32 param;
|
||
|
};
|
||
|
|
||
|
void snd_hda_sequence_write(struct hda_codec *codec,
|
||
|
const struct hda_verb *seq);
|
||
|
|
||
|
/* unsolicited event */
|
||
|
static inline void
|
||
|
snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
|
||
|
{
|
||
|
snd_hdac_bus_queue_event(&bus->core, res, res_ex);
|
||
|
}
|
||
|
|
||
|
/* cached write */
|
||
|
static inline int
|
||
|
snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
|
||
|
int flags, unsigned int verb, unsigned int parm)
|
||
|
{
|
||
|
return snd_hdac_regmap_write(&codec->core, nid, verb, parm);
|
||
|
}
|
||
|
|
||
|
/* the struct for codec->pin_configs */
|
||
|
struct hda_pincfg {
|
||
|
hda_nid_t nid;
|
||
|
unsigned char ctrl; /* original pin control value */
|
||
|
unsigned char target; /* target pin control value */
|
||
|
unsigned int cfg; /* default configuration */
|
||
|
};
|
||
|
|
||
|
unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid);
|
||
|
int snd_hda_codec_set_pincfg(struct hda_codec *codec, hda_nid_t nid,
|
||
|
unsigned int cfg);
|
||
|
int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
|
||
|
hda_nid_t nid, unsigned int cfg); /* for hwdep */
|
||
|
void snd_hda_shutup_pins(struct hda_codec *codec);
|
||
|
|
||
|
/* SPDIF controls */
|
||
|
struct hda_spdif_out {
|
||
|
hda_nid_t nid; /* Converter nid values relate to */
|
||
|
unsigned int status; /* IEC958 status bits */
|
||
|
unsigned short ctls; /* SPDIF control bits */
|
||
|
};
|
||
|
struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
|
||
|
hda_nid_t nid);
|
||
|
void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx);
|
||
|
void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid);
|
||
|
|
||
|
/*
|
||
|
* Mixer
|
||
|
*/
|
||
|
int snd_hda_codec_build_controls(struct hda_codec *codec);
|
||
|
|
||
|
/*
|
||
|
* PCM
|
||
|
*/
|
||
|
int snd_hda_codec_parse_pcms(struct hda_codec *codec);
|
||
|
int snd_hda_codec_build_pcms(struct hda_codec *codec);
|
||
|
|
||
|
__printf(2, 3)
|
||
|
struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
|
||
|
const char *fmt, ...);
|
||
|
|
||
|
static inline void snd_hda_codec_pcm_get(struct hda_pcm *pcm)
|
||
|
{
|
||
|
kref_get(&pcm->kref);
|
||
|
}
|
||
|
void snd_hda_codec_pcm_put(struct hda_pcm *pcm);
|
||
|
|
||
|
int snd_hda_codec_prepare(struct hda_codec *codec,
|
||
|
struct hda_pcm_stream *hinfo,
|
||
|
unsigned int stream,
|
||
|
unsigned int format,
|
||
|
struct snd_pcm_substream *substream);
|
||
|
void snd_hda_codec_cleanup(struct hda_codec *codec,
|
||
|
struct hda_pcm_stream *hinfo,
|
||
|
struct snd_pcm_substream *substream);
|
||
|
|
||
|
void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
|
||
|
u32 stream_tag,
|
||
|
int channel_id, int format);
|
||
|
void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
|
||
|
int do_now);
|
||
|
#define snd_hda_codec_cleanup_stream(codec, nid) \
|
||
|
__snd_hda_codec_cleanup_stream(codec, nid, 0)
|
||
|
|
||
|
#define snd_hda_query_supported_pcm(codec, nid, ratesp, fmtsp, bpsp) \
|
||
|
snd_hdac_query_supported_pcm(&(codec)->core, nid, ratesp, fmtsp, bpsp)
|
||
|
#define snd_hda_is_supported_format(codec, nid, fmt) \
|
||
|
snd_hdac_is_supported_format(&(codec)->core, nid, fmt)
|
||
|
|
||
|
extern const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[];
|
||
|
|
||
|
int snd_hda_attach_pcm_stream(struct hda_bus *_bus, struct hda_codec *codec,
|
||
|
struct hda_pcm *cpcm);
|
||
|
|
||
|
/*
|
||
|
* Misc
|
||
|
*/
|
||
|
void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen);
|
||
|
void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
|
||
|
unsigned int power_state);
|
||
|
|
||
|
int snd_hda_lock_devices(struct hda_bus *bus);
|
||
|
void snd_hda_unlock_devices(struct hda_bus *bus);
|
||
|
void snd_hda_bus_reset(struct hda_bus *bus);
|
||
|
void snd_hda_bus_reset_codecs(struct hda_bus *bus);
|
||
|
|
||
|
int snd_hda_codec_set_name(struct hda_codec *codec, const char *name);
|
||
|
|
||
|
/*
|
||
|
* power management
|
||
|
*/
|
||
|
extern const struct dev_pm_ops hda_codec_driver_pm;
|
||
|
|
||
|
static inline
|
||
|
int hda_call_check_power_status(struct hda_codec *codec, hda_nid_t nid)
|
||
|
{
|
||
|
#ifdef CONFIG_PM
|
||
|
if (codec->patch_ops.check_power_status)
|
||
|
return codec->patch_ops.check_power_status(codec, nid);
|
||
|
#endif
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* power saving
|
||
|
*/
|
||
|
#define snd_hda_power_up(codec) snd_hdac_power_up(&(codec)->core)
|
||
|
#define snd_hda_power_up_pm(codec) snd_hdac_power_up_pm(&(codec)->core)
|
||
|
#define snd_hda_power_down(codec) snd_hdac_power_down(&(codec)->core)
|
||
|
#define snd_hda_power_down_pm(codec) snd_hdac_power_down_pm(&(codec)->core)
|
||
|
#ifdef CONFIG_PM
|
||
|
void snd_hda_set_power_save(struct hda_bus *bus, int delay);
|
||
|
void snd_hda_update_power_acct(struct hda_codec *codec);
|
||
|
#else
|
||
|
static inline void snd_hda_set_power_save(struct hda_bus *bus, int delay) {}
|
||
|
#endif
|
||
|
|
||
|
#ifdef CONFIG_SND_HDA_PATCH_LOADER
|
||
|
/*
|
||
|
* patch firmware
|
||
|
*/
|
||
|
int snd_hda_load_patch(struct hda_bus *bus, size_t size, const void *buf);
|
||
|
#endif
|
||
|
|
||
|
#ifdef CONFIG_SND_HDA_DSP_LOADER
|
||
|
int snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
|
||
|
unsigned int size,
|
||
|
struct snd_dma_buffer *bufp);
|
||
|
void snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start);
|
||
|
void snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
|
||
|
struct snd_dma_buffer *dmab);
|
||
|
#else
|
||
|
static inline int
|
||
|
snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
|
||
|
unsigned int size,
|
||
|
struct snd_dma_buffer *bufp)
|
||
|
{
|
||
|
return -ENOSYS;
|
||
|
}
|
||
|
static inline void
|
||
|
snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) {}
|
||
|
static inline void
|
||
|
snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
|
||
|
struct snd_dma_buffer *dmab) {}
|
||
|
#endif
|
||
|
|
||
|
#endif /* __SOUND_HDA_CODEC_H */
|