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169 lines
5.5 KiB
169 lines
5.5 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __SOUND_HDAUDIO_EXT_H |
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#define __SOUND_HDAUDIO_EXT_H |
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#include <sound/hdaudio.h> |
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int snd_hdac_ext_bus_init(struct hdac_bus *bus, struct device *dev, |
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const struct hdac_bus_ops *ops, |
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const struct hdac_ext_bus_ops *ext_ops); |
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void snd_hdac_ext_bus_exit(struct hdac_bus *bus); |
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int snd_hdac_ext_bus_device_init(struct hdac_bus *bus, int addr, |
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struct hdac_device *hdev, int type); |
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void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev); |
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void snd_hdac_ext_bus_device_remove(struct hdac_bus *bus); |
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#define HDA_CODEC_REV_EXT_ENTRY(_vid, _rev, _name, drv_data) \ |
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{ .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \ |
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.api_version = HDA_DEV_ASOC, \ |
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.driver_data = (unsigned long)(drv_data) } |
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#define HDA_CODEC_EXT_ENTRY(_vid, _revid, _name, _drv_data) \ |
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HDA_CODEC_REV_EXT_ENTRY(_vid, _revid, _name, _drv_data) |
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void snd_hdac_ext_bus_ppcap_enable(struct hdac_bus *chip, bool enable); |
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void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus *chip, bool enable); |
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void snd_hdac_ext_stream_spbcap_enable(struct hdac_bus *chip, |
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bool enable, int index); |
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int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_bus *bus); |
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struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_bus *bus, |
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const char *codec_name); |
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enum hdac_ext_stream_type { |
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HDAC_EXT_STREAM_TYPE_COUPLED = 0, |
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HDAC_EXT_STREAM_TYPE_HOST, |
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HDAC_EXT_STREAM_TYPE_LINK |
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}; |
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/** |
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* hdac_ext_stream: HDAC extended stream for extended HDA caps |
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* |
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* @hstream: hdac_stream |
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* @pphc_addr: processing pipe host stream pointer |
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* @pplc_addr: processing pipe link stream pointer |
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* @spib_addr: software position in buffers stream pointer |
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* @fifo_addr: software position Max fifos stream pointer |
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* @dpibr_addr: DMA position in buffer resume pointer |
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* @dpib: DMA position in buffer |
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* @lpib: Linear position in buffer |
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* @decoupled: stream host and link is decoupled |
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* @link_locked: link is locked |
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* @link_prepared: link is prepared |
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* link_substream: link substream |
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*/ |
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struct hdac_ext_stream { |
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struct hdac_stream hstream; |
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void __iomem *pphc_addr; |
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void __iomem *pplc_addr; |
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void __iomem *spib_addr; |
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void __iomem *fifo_addr; |
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void __iomem *dpibr_addr; |
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u32 dpib; |
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u32 lpib; |
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bool decoupled:1; |
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bool link_locked:1; |
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bool link_prepared; |
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struct snd_pcm_substream *link_substream; |
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}; |
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#define hdac_stream(s) (&(s)->hstream) |
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#define stream_to_hdac_ext_stream(s) \ |
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container_of(s, struct hdac_ext_stream, hstream) |
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void snd_hdac_ext_stream_init(struct hdac_bus *bus, |
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struct hdac_ext_stream *stream, int idx, |
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int direction, int tag); |
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int snd_hdac_ext_stream_init_all(struct hdac_bus *bus, int start_idx, |
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int num_stream, int dir); |
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void snd_hdac_stream_free_all(struct hdac_bus *bus); |
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void snd_hdac_link_free_all(struct hdac_bus *bus); |
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struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_bus *bus, |
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struct snd_pcm_substream *substream, |
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int type); |
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void snd_hdac_ext_stream_release(struct hdac_ext_stream *azx_dev, int type); |
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void snd_hdac_ext_stream_decouple(struct hdac_bus *bus, |
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struct hdac_ext_stream *azx_dev, bool decouple); |
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void snd_hdac_ext_stop_streams(struct hdac_bus *bus); |
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int snd_hdac_ext_stream_set_spib(struct hdac_bus *bus, |
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struct hdac_ext_stream *stream, u32 value); |
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int snd_hdac_ext_stream_get_spbmaxfifo(struct hdac_bus *bus, |
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struct hdac_ext_stream *stream); |
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void snd_hdac_ext_stream_drsm_enable(struct hdac_bus *bus, |
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bool enable, int index); |
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int snd_hdac_ext_stream_set_dpibr(struct hdac_bus *bus, |
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struct hdac_ext_stream *stream, u32 value); |
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int snd_hdac_ext_stream_set_lpib(struct hdac_ext_stream *stream, u32 value); |
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void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hstream); |
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void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hstream); |
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void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hstream); |
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int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *stream, int fmt); |
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struct hdac_ext_link { |
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struct hdac_bus *bus; |
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int index; |
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void __iomem *ml_addr; /* link output stream reg pointer */ |
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u32 lcaps; /* link capablities */ |
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u16 lsdiid; /* link sdi identifier */ |
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int ref_count; |
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struct list_head list; |
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}; |
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int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link); |
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int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link); |
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int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus); |
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int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus); |
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void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link, |
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int stream); |
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void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link, |
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int stream); |
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int snd_hdac_ext_bus_link_get(struct hdac_bus *bus, struct hdac_ext_link *link); |
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int snd_hdac_ext_bus_link_put(struct hdac_bus *bus, struct hdac_ext_link *link); |
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void snd_hdac_ext_bus_link_power(struct hdac_device *codec, bool enable); |
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/* update register macro */ |
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#define snd_hdac_updatel(addr, reg, mask, val) \ |
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writel(((readl(addr + reg) & ~(mask)) | (val)), \ |
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addr + reg) |
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#define snd_hdac_updatew(addr, reg, mask, val) \ |
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writew(((readw(addr + reg) & ~(mask)) | (val)), \ |
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addr + reg) |
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struct hdac_ext_device; |
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/* ops common to all codec drivers */ |
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struct hdac_ext_codec_ops { |
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int (*build_controls)(struct hdac_ext_device *dev); |
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int (*init)(struct hdac_ext_device *dev); |
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void (*free)(struct hdac_ext_device *dev); |
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}; |
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struct hda_dai_map { |
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char *dai_name; |
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hda_nid_t nid; |
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u32 maxbps; |
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}; |
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struct hdac_ext_dma_params { |
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u32 format; |
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u8 stream_tag; |
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}; |
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int snd_hda_ext_driver_register(struct hdac_driver *drv); |
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void snd_hda_ext_driver_unregister(struct hdac_driver *drv); |
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#endif /* __SOUND_HDAUDIO_EXT_H */
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