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Diffstat (limited to 'include/sound/hdaudio_ext.h')
| -rw-r--r-- | include/sound/hdaudio_ext.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/include/sound/hdaudio_ext.h b/include/sound/hdaudio_ext.h new file mode 100644 index 000000000..7de390022 --- /dev/null +++ b/include/sound/hdaudio_ext.h @@ -0,0 +1,149 @@ +/* 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_id(struct hdac_bus *bus, u32 id); +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 */ + u32 id; + u8 slcount; + + int ref_count; + + struct list_head list; +}; + +#define hdac_ext_link_alt(link) ((link)->lcaps & AZX_ML_HDA_LCAP_ALT) +#define hdac_ext_link_ofls(link) ((link)->lcaps & AZX_ML_HDA_LCAP_OFLS) + +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 */ |