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hdaudio_ext.h
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __SOUND_HDAUDIO_EXT_H
#define __SOUND_HDAUDIO_EXT_H
#include <sound/hdaudio.h>
int snd_hdac_ext_bus_init(struct hdac_bus *bus, struct device *dev,
const struct hdac_bus_ops *ops,
const struct hdac_ext_bus_ops *ext_ops);
void snd_hdac_ext_bus_exit(struct hdac_bus *bus);
void snd_hdac_ext_bus_device_remove(struct hdac_bus *bus);
#define HDA_CODEC_REV_EXT_ENTRY(_vid, _rev, _name, drv_data) \
{ .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \
.api_version = HDA_DEV_ASOC, \
.driver_data = (unsigned long)(drv_data) }
#define HDA_CODEC_EXT_ENTRY(_vid, _revid, _name, _drv_data) \
HDA_CODEC_REV_EXT_ENTRY(_vid, _revid, _name, _drv_data)
void snd_hdac_ext_bus_ppcap_enable(struct hdac_bus *chip, bool enable);
void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus *chip, bool enable);
int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_bus *bus);
struct hdac_ext_link *snd_hdac_ext_bus_get_hlink_by_addr(struct hdac_bus *bus, int addr);
struct hdac_ext_link *snd_hdac_ext_bus_get_hlink_by_name(struct hdac_bus *bus,
const char *codec_name);
enum hdac_ext_stream_type {
HDAC_EXT_STREAM_TYPE_COUPLED = 0,
HDAC_EXT_STREAM_TYPE_HOST,
HDAC_EXT_STREAM_TYPE_LINK
};
/**
* hdac_ext_stream: HDAC extended stream for extended HDA caps
*
* @hstream: hdac_stream
* @pphc_addr: processing pipe host stream pointer
* @pplc_addr: processing pipe link stream pointer
* @decoupled: stream host and link is decoupled
* @link_locked: link is locked
* @link_prepared: link is prepared
* @link_substream: link substream
*/
struct hdac_ext_stream {
struct hdac_stream hstream;
void __iomem *pphc_addr;
void __iomem *pplc_addr;
u32 pphcllpl;
u32 pphcllpu;
u32 pphcldpl;
u32 pphcldpu;
u32 pplcllpl;
u32 pplcllpu;
bool decoupled:1;
bool link_locked:1;
bool link_prepared;
int (*host_setup)(struct hdac_stream *, bool);
struct snd_pcm_substream *link_substream;
};
#define hdac_stream(s) (&(s)->hstream)
#define stream_to_hdac_ext_stream(s) \
container_of(s, struct hdac_ext_stream, hstream)
int snd_hdac_ext_stream_init_all(struct hdac_bus *bus, int start_idx,
int num_stream, int dir);
void snd_hdac_ext_stream_free_all(struct hdac_bus *bus);
void snd_hdac_ext_link_free_all(struct hdac_bus *bus);
struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_bus *bus,
struct snd_pcm_substream *substream,
int type);
void snd_hdac_ext_stream_release(struct hdac_ext_stream *hext_stream, int type);
struct hdac_ext_stream *snd_hdac_ext_cstream_assign(struct hdac_bus *bus,
struct snd_compr_stream *cstream);
void snd_hdac_ext_stream_decouple_locked(struct hdac_bus *bus,
struct hdac_ext_stream *hext_stream, bool decouple);
void snd_hdac_ext_stream_decouple(struct hdac_bus *bus,
struct hdac_ext_stream *azx_dev, bool decouple);
void snd_hdac_ext_stream_start(struct hdac_ext_stream *hext_stream);
void snd_hdac_ext_stream_clear(struct hdac_ext_stream *hext_stream);
void snd_hdac_ext_stream_reset(struct hdac_ext_stream *hext_stream);
int snd_hdac_ext_stream_setup(struct hdac_ext_stream *hext_stream, int fmt);
int snd_hdac_ext_host_stream_setup(struct hdac_ext_stream *hext_stream, bool code_loading);
struct hdac_ext_link {
struct hdac_bus *bus;
int index;
void __iomem *ml_addr; /* link output stream reg pointer */
u32 lcaps; /* link capablities */
u16 lsdiid; /* link sdi identifier */
int ref_count;
struct list_head list;
};
int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *hlink);
int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *hlink);
int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus);
int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus);
void snd_hdac_ext_bus_link_set_stream_id(struct hdac_ext_link *hlink,
int stream);
void snd_hdac_ext_bus_link_clear_stream_id(struct hdac_ext_link *hlink,
int stream);
int snd_hdac_ext_bus_link_get(struct hdac_bus *bus, struct hdac_ext_link *hlink);
int snd_hdac_ext_bus_link_put(struct hdac_bus *bus, struct hdac_ext_link *hlink);
void snd_hdac_ext_bus_link_power(struct hdac_device *codec, bool enable);
struct hdac_ext_device;
/* ops common to all codec drivers */
struct hdac_ext_codec_ops {
int (*build_controls)(struct hdac_ext_device *dev);
int (*init)(struct hdac_ext_device *dev);
void (*free)(struct hdac_ext_device *dev);
};
struct hda_dai_map {
char *dai_name;
hda_nid_t nid;
u32 maxbps;
};
struct hdac_ext_dma_params {
u32 format;
u8 stream_tag;
};
int snd_hda_ext_driver_register(struct hdac_driver *drv);
void snd_hda_ext_driver_unregister(struct hdac_driver *drv);
#endif /* __SOUND_HDAUDIO_EXT_H */