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#ifndef __SOUND_HDAUDIO_EXT_H
#define __SOUND_HDAUDIO_EXT_H
#include <sound/hdaudio.h>
/**
* hdac_ext_bus: HDAC extended bus for extended HDA caps
*
* @bus: hdac bus
* @num_streams: streams supported
* @ppcap: pp capabilities pointer
* @spbcap: SPIB capabilities pointer
* @mlcap: MultiLink capabilities pointer
* @gtscap: gts capabilities pointer
* @hlink_list: link list of HDA links
*/
struct hdac_ext_bus {
struct hdac_bus bus;
int num_streams;
int idx;
void __iomem *ppcap;
void __iomem *spbcap;
void __iomem *mlcap;
void __iomem *gtscap;
struct list_head hlink_list;
};
int snd_hdac_ext_bus_init(struct hdac_ext_bus *sbus, struct device *dev,
const struct hdac_bus_ops *ops,
const struct hdac_io_ops *io_ops);
void snd_hdac_ext_bus_exit(struct hdac_ext_bus *sbus);
int snd_hdac_ext_bus_device_init(struct hdac_ext_bus *sbus, int addr);
void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev);
#define ebus_to_hbus(ebus) (&(ebus)->bus)
#define hbus_to_ebus(_bus) \
container_of(_bus, struct hdac_ext_bus, bus)
int snd_hdac_ext_bus_parse_capabilities(struct hdac_ext_bus *sbus);
void snd_hdac_ext_bus_ppcap_enable(struct hdac_ext_bus *chip, bool enable);
void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_ext_bus *chip, bool enable);
void snd_hdac_ext_stream_spbcap_enable(struct hdac_ext_bus *chip,
bool enable, int index);
int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_ext_bus *bus);
int snd_hdac_ext_bus_map_codec_to_link(struct hdac_ext_bus *bus, int addr);
struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_ext_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;
bool decoupled:1;
bool link_locked:1;
bool link_prepared;
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)
void snd_hdac_ext_stream_init(struct hdac_ext_bus *bus,
struct hdac_ext_stream *stream, int idx,
int direction, int tag);
struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_ext_bus *bus,
struct snd_pcm_substream *substream,
int type);
void snd_hdac_ext_stream_release(struct hdac_ext_stream *azx_dev, int type);
void snd_hdac_ext_stream_decouple(struct hdac_ext_bus *bus,
struct hdac_ext_stream *azx_dev, bool decouple);
void snd_hdac_ext_stop_streams(struct hdac_ext_bus *sbus);
void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hstream);
void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hstream);
void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hstream);
int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *stream, int fmt);
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 */
struct list_head list;
};
int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link);
int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link);
void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link,
int stream);
void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link,
int stream);
/* update register macro */
#define snd_hdac_updatel(addr, reg, mask, val) \
writel(((readl(addr + reg) & ~(mask)) | (val)), \
addr + reg)
#define snd_hdac_updatew(addr, reg, mask, val) \
writew(((readw(addr + reg) & ~(mask)) | (val)), \
addr + reg)
#endif /* __SOUND_HDAUDIO_EXT_H */
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