diff options
Diffstat (limited to 'kernel/include/sound/hdaudio_ext.h')
| -rw-r--r-- | kernel/include/sound/hdaudio_ext.h | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/kernel/include/sound/hdaudio_ext.h b/kernel/include/sound/hdaudio_ext.h new file mode 100644 index 000000000..a4cadd9c2 --- /dev/null +++ b/kernel/include/sound/hdaudio_ext.h @@ -0,0 +1,210 @@ +#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); +void snd_hdac_ext_bus_device_remove(struct hdac_ext_bus *ebus); + +#define ebus_to_hbus(ebus) (&(ebus)->bus) +#define hbus_to_ebus(_bus) \ + container_of(_bus, struct hdac_ext_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) + +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); +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 + * @spib_addr: software position in buffers stream pointer + * @fifo_addr: software position Max fifos 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; + + void __iomem *spib_addr; + void __iomem *fifo_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); +int snd_hdac_ext_stream_init_all(struct hdac_ext_bus *ebus, int start_idx, + int num_stream, int dir); +void snd_hdac_stream_free_all(struct hdac_ext_bus *ebus); +void snd_hdac_link_free_all(struct hdac_ext_bus *ebus); +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); + +int snd_hdac_ext_stream_set_spib(struct hdac_ext_bus *ebus, + struct hdac_ext_stream *stream, u32 value); +int snd_hdac_ext_stream_get_spbmaxfifo(struct hdac_ext_bus *ebus, + struct hdac_ext_stream *stream); + +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); +int snd_hdac_ext_bus_link_power_down_all(struct hdac_ext_bus *ebus); +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) + + +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; +}; + +#define HDA_MAX_NIDS 16 + +/** + * struct hdac_ext_device - HDAC Ext device + * + * @hdac: hdac core device + * @nid_list - the dai map which matches the dai-name with the nid + * @map_cur_idx - the idx in use in dai_map + * @ops - the hda codec ops common to all codec drivers + * @pvt_data - private data, for asoc contains asoc codec object + */ +struct hdac_ext_device { + struct hdac_device hdac; + struct hdac_ext_bus *ebus; + + /* soc-dai to nid map */ + struct hda_dai_map nid_list[HDA_MAX_NIDS]; + unsigned int map_cur_idx; + + /* codec ops */ + struct hdac_ext_codec_ops ops; + + void *private_data; +}; + +#define to_ehdac_device(dev) (container_of((dev), \ + struct hdac_ext_device, hdac)) +/* + * HD-audio codec base driver + */ +struct hdac_ext_driver { + struct hdac_driver hdac; + + int (*probe)(struct hdac_ext_device *dev); + int (*remove)(struct hdac_ext_device *dev); + void (*shutdown)(struct hdac_ext_device *dev); +}; + +int snd_hda_ext_driver_register(struct hdac_ext_driver *drv); +void snd_hda_ext_driver_unregister(struct hdac_ext_driver *drv); + +#define to_ehdac_driver(_drv) container_of(_drv, struct hdac_ext_driver, hdac) + +#endif /* __SOUND_HDAUDIO_EXT_H */ |