include/sound/hdaudio_ext.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __SOUND_HDAUDIO_EXT_H
   3 #define __SOUND_HDAUDIO_EXT_H
   4
   5 #include <sound/hdaudio.h>
   6
   7 int snd_hdac_ext_bus_init(struct hdac_bus *bus, struct device *dev,
   8                       const struct hdac_bus_ops *ops,
   9                       const struct hdac_ext_bus_ops *ext_ops);
  10
  11 void snd_hdac_ext_bus_exit(struct hdac_bus *bus);
  12 void snd_hdac_ext_bus_device_remove(struct hdac_bus *bus);
  13
  14 #define HDA_CODEC_REV_EXT_ENTRY(_vid, _rev, _name, drv_data) \
  15         { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \
  16           .api_version = HDA_DEV_ASOC, \
  17           .driver_data = (unsigned long)(drv_data) }
  18 #define HDA_CODEC_EXT_ENTRY(_vid, _revid, _name, _drv_data) \
  19         HDA_CODEC_REV_EXT_ENTRY(_vid, _revid, _name, _drv_data)
  20
  21 void snd_hdac_ext_bus_ppcap_enable(struct hdac_bus *chip, bool enable);
  22 void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus *chip, bool enable);
  23
  24 int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_bus *bus);
  25 struct hdac_ext_link *snd_hdac_ext_bus_get_hlink_by_addr(struct hdac_bus *bus, int addr);
  26 struct hdac_ext_link *snd_hdac_ext_bus_get_hlink_by_name(struct hdac_bus *bus,
  27                                                          const char *codec_name);
  28
  29 enum hdac_ext_stream_type {
  30         HDAC_EXT_STREAM_TYPE_COUPLED = 0,
  31         HDAC_EXT_STREAM_TYPE_HOST,
  32         HDAC_EXT_STREAM_TYPE_LINK
  33 };
  34
  35 /**
  36  * hdac_ext_stream: HDAC extended stream for extended HDA caps
  37  *
  38  * @hstream: hdac_stream
  39  * @pphc_addr: processing pipe host stream pointer
  40  * @pplc_addr: processing pipe link stream pointer
  41  * @decoupled: stream host and link is decoupled
  42  * @link_locked: link is locked
  43  * @link_prepared: link is prepared
  44  * @link_substream: link substream
  45  */
  46 struct hdac_ext_stream {
  47         struct hdac_stream hstream;
  48
  49         void __iomem *pphc_addr;
  50         void __iomem *pplc_addr;
  51
  52         u32 pphcllpl;
  53         u32 pphcllpu;
  54         u32 pphcldpl;
  55         u32 pphcldpu;
  56
  57         u32 pplcllpl;
  58         u32 pplcllpu;
  59
  60         bool decoupled:1;
  61         bool link_locked:1;
  62         bool link_prepared;
  63
  64         int (*host_setup)(struct hdac_stream *, bool);
  65
  66         struct snd_pcm_substream *link_substream;
  67 };
  68
  69 #define hdac_stream(s)          (&(s)->hstream)
  70 #define stream_to_hdac_ext_stream(s) \
  71         container_of(s, struct hdac_ext_stream, hstream)
  72
  73 int snd_hdac_ext_stream_init_all(struct hdac_bus *bus, int start_idx,
  74                                  int num_stream, int dir);
  75 void snd_hdac_ext_stream_free_all(struct hdac_bus *bus);
  76 void snd_hdac_ext_link_free_all(struct hdac_bus *bus);
  77 struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_bus *bus,
  78                                            struct snd_pcm_substream *substream,
  79                                            int type);
  80 void snd_hdac_ext_stream_release(struct hdac_ext_stream *hext_stream, int type);
  81 struct hdac_ext_stream *snd_hdac_ext_cstream_assign(struct hdac_bus *bus,
  82                                                     struct snd_compr_stream *cstream);
  83 void snd_hdac_ext_stream_decouple_locked(struct hdac_bus *bus,
  84                                          struct hdac_ext_stream *hext_stream, bool decouple);
  85 void snd_hdac_ext_stream_decouple(struct hdac_bus *bus,
  86                                 struct hdac_ext_stream *azx_dev, bool decouple);
  87
  88 void snd_hdac_ext_stream_start(struct hdac_ext_stream *hext_stream);
  89 void snd_hdac_ext_stream_clear(struct hdac_ext_stream *hext_stream);
  90 void snd_hdac_ext_stream_reset(struct hdac_ext_stream *hext_stream);
  91 int snd_hdac_ext_stream_setup(struct hdac_ext_stream *hext_stream, int fmt);
  92 int snd_hdac_ext_host_stream_setup(struct hdac_ext_stream *hext_stream, bool code_loading);
  93
  94 struct hdac_ext_link {
  95         struct hdac_bus *bus;
  96         int index;
  97         void __iomem *ml_addr; /* link output stream reg pointer */
  98         u32 lcaps;   /* link capablities */
  99         u16 lsdiid;  /* link sdi identifier */
 100
 101         int ref_count;
 102
 103         struct list_head list;
 104 };
 105
 106 int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *hlink);
 107 int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *hlink);
 108 int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus);
 109 int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus);
 110 void snd_hdac_ext_bus_link_set_stream_id(struct hdac_ext_link *hlink,
 111                                          int stream);
 112 void snd_hdac_ext_bus_link_clear_stream_id(struct hdac_ext_link *hlink,
 113                                            int stream);
 114
 115 int snd_hdac_ext_bus_link_get(struct hdac_bus *bus, struct hdac_ext_link *hlink);
 116 int snd_hdac_ext_bus_link_put(struct hdac_bus *bus, struct hdac_ext_link *hlink);
 117
 118 void snd_hdac_ext_bus_link_power(struct hdac_device *codec, bool enable);
 119
 120 struct hdac_ext_device;
 121
 122 /* ops common to all codec drivers */
 123 struct hdac_ext_codec_ops {
 124         int (*build_controls)(struct hdac_ext_device *dev);
 125         int (*init)(struct hdac_ext_device *dev);
 126         void (*free)(struct hdac_ext_device *dev);
 127 };
 128
 129 struct hda_dai_map {
 130         char *dai_name;
 131         hda_nid_t nid;
 132         u32     maxbps;
 133 };
 134
 135 struct hdac_ext_dma_params {
 136         u32 format;
 137         u8 stream_tag;
 138 };
 139
 140 int snd_hda_ext_driver_register(struct hdac_driver *drv);
 141 void snd_hda_ext_driver_unregister(struct hdac_driver *drv);
 142
 143 #endif /* __SOUND_HDAUDIO_EXT_H */