234 lines
7.0 KiB
C
234 lines
7.0 KiB
C
/* 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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/**
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* hdac_ext_bus: HDAC extended bus for extended HDA caps
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*
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* @bus: hdac bus
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* @num_streams: streams supported
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* @hlink_list: link list of HDA links
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* @lock: lock for link mgmt
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* @cmd_dma_state: state of cmd DMAs: CORB and RIRB
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*/
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struct hdac_ext_bus {
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struct hdac_bus bus;
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int num_streams;
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int idx;
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struct list_head hlink_list;
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struct mutex lock;
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bool cmd_dma_state;
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};
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int snd_hdac_ext_bus_init(struct hdac_ext_bus *sbus, struct device *dev,
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const struct hdac_bus_ops *ops,
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const struct hdac_io_ops *io_ops);
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void snd_hdac_ext_bus_exit(struct hdac_ext_bus *sbus);
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int snd_hdac_ext_bus_device_init(struct hdac_ext_bus *sbus, int addr);
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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_ext_bus *ebus);
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#define ebus_to_hbus(ebus) (&(ebus)->bus)
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#define hbus_to_ebus(_bus) \
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container_of(_bus, struct hdac_ext_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_ext_bus *chip, bool enable);
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void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_ext_bus *chip, bool enable);
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void snd_hdac_ext_stream_spbcap_enable(struct hdac_ext_bus *chip,
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bool enable, int index);
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int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_ext_bus *bus);
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struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_ext_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_ext_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_ext_bus *ebus, int start_idx,
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int num_stream, int dir);
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void snd_hdac_stream_free_all(struct hdac_ext_bus *ebus);
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void snd_hdac_link_free_all(struct hdac_ext_bus *ebus);
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struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_ext_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_ext_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_ext_bus *sbus);
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int snd_hdac_ext_stream_set_spib(struct hdac_ext_bus *ebus,
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struct hdac_ext_stream *stream, u32 value);
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int snd_hdac_ext_stream_get_spbmaxfifo(struct hdac_ext_bus *ebus,
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struct hdac_ext_stream *stream);
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void snd_hdac_ext_stream_drsm_enable(struct hdac_ext_bus *ebus,
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bool enable, int index);
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int snd_hdac_ext_stream_set_dpibr(struct hdac_ext_bus *ebus,
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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_ext_bus *ebus);
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int snd_hdac_ext_bus_link_power_down_all(struct hdac_ext_bus *ebus);
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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_ext_bus *ebus,
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struct hdac_ext_link *link);
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int snd_hdac_ext_bus_link_put(struct hdac_ext_bus *ebus,
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struct hdac_ext_link *link);
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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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#define HDA_MAX_NIDS 16
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/**
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* struct hdac_ext_device - HDAC Ext device
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*
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* @hdac: hdac core device
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* @nid_list - the dai map which matches the dai-name with the nid
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* @map_cur_idx - the idx in use in dai_map
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* @ops - the hda codec ops common to all codec drivers
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* @pvt_data - private data, for asoc contains asoc codec object
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*/
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struct hdac_ext_device {
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struct hdac_device hdev;
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struct hdac_ext_bus *ebus;
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/* soc-dai to nid map */
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struct hda_dai_map nid_list[HDA_MAX_NIDS];
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unsigned int map_cur_idx;
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/* codec ops */
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struct hdac_ext_codec_ops ops;
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struct snd_card *card;
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void *scodec;
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void *private_data;
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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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#define to_ehdac_device(dev) (container_of((dev), \
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struct hdac_ext_device, hdev))
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/*
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* HD-audio codec base driver
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*/
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struct hdac_ext_driver {
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struct hdac_driver hdac;
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int (*probe)(struct hdac_ext_device *dev);
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int (*remove)(struct hdac_ext_device *dev);
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void (*shutdown)(struct hdac_ext_device *dev);
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};
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int snd_hda_ext_driver_register(struct hdac_ext_driver *drv);
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void snd_hda_ext_driver_unregister(struct hdac_ext_driver *drv);
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#define to_ehdac_driver(_drv) container_of(_drv, struct hdac_ext_driver, hdac)
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#endif /* __SOUND_HDAUDIO_EXT_H */
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