include/sound/hdaudio_ext.h

   1 #ifndef __SOUND_HDAUDIO_EXT_H
   2 #define __SOUND_HDAUDIO_EXT_H
   3
   4 #include <sound/hdaudio.h>
   5
   6 /**
   7  * hdac_ext_bus: HDAC extended bus for extended HDA caps
   8  *
   9  * @bus: hdac bus
  10  * @num_streams: streams supported
  11  * @ppcap: pp capabilities pointer
  12  * @spbcap: SPIB capabilities pointer
  13  * @mlcap: MultiLink capabilities pointer
  14  * @gtscap: gts capabilities pointer
  15  * @hlink_list: link list of HDA links
  16  */
  17 struct hdac_ext_bus {
  18         struct hdac_bus bus;
  19         int num_streams;
  20         int idx;
  21
  22         void __iomem *ppcap;
  23         void __iomem *spbcap;
  24         void __iomem *mlcap;
  25         void __iomem *gtscap;
  26
  27         struct list_head hlink_list;
  28 };
  29
  30 int snd_hdac_ext_bus_init(struct hdac_ext_bus *sbus, struct device *dev,
  31                       const struct hdac_bus_ops *ops,
  32                       const struct hdac_io_ops *io_ops);
  33
  34 void snd_hdac_ext_bus_exit(struct hdac_ext_bus *sbus);
  35 int snd_hdac_ext_bus_device_init(struct hdac_ext_bus *sbus, int addr);
  36 void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev);
  37
  38 #define ebus_to_hbus(ebus)      (&(ebus)->bus)
  39 #define hbus_to_ebus(_bus) \
  40         container_of(_bus, struct hdac_ext_bus, bus)
  41
  42 int snd_hdac_ext_bus_parse_capabilities(struct hdac_ext_bus *sbus);
  43 void snd_hdac_ext_bus_ppcap_enable(struct hdac_ext_bus *chip, bool enable);
  44 void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_ext_bus *chip, bool enable);
  45
  46 void snd_hdac_ext_stream_spbcap_enable(struct hdac_ext_bus *chip,
  47                                  bool enable, int index);
  48
  49 int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_ext_bus *bus);
  50 struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_ext_bus *bus,
  51                                                 const char *codec_name);
  52
  53 enum hdac_ext_stream_type {
  54         HDAC_EXT_STREAM_TYPE_COUPLED = 0,
  55         HDAC_EXT_STREAM_TYPE_HOST,
  56         HDAC_EXT_STREAM_TYPE_LINK
  57 };
  58
  59 /**
  60  * hdac_ext_stream: HDAC extended stream for extended HDA caps
  61  *
  62  * @hstream: hdac_stream
  63  * @pphc_addr: processing pipe host stream pointer
  64  * @pplc_addr: processing pipe link stream pointer
  65  * @decoupled: stream host and link is decoupled
  66  * @link_locked: link is locked
  67  * @link_prepared: link is prepared
  68  * link_substream: link substream
  69  */
  70 struct hdac_ext_stream {
  71         struct hdac_stream hstream;
  72
  73         void __iomem *pphc_addr;
  74         void __iomem *pplc_addr;
  75
  76         bool decoupled:1;
  77         bool link_locked:1;
  78         bool link_prepared;
  79
  80         struct snd_pcm_substream *link_substream;
  81 };
  82
  83 #define hdac_stream(s)          (&(s)->hstream)
  84 #define stream_to_hdac_ext_stream(s) \
  85         container_of(s, struct hdac_ext_stream, hstream)
  86
  87 void snd_hdac_ext_stream_init(struct hdac_ext_bus *bus,
  88                                 struct hdac_ext_stream *stream, int idx,
  89                                 int direction, int tag);
  90 struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_ext_bus *bus,
  91                                            struct snd_pcm_substream *substream,
  92                                            int type);
  93 void snd_hdac_ext_stream_release(struct hdac_ext_stream *azx_dev, int type);
  94 void snd_hdac_ext_stream_decouple(struct hdac_ext_bus *bus,
  95                                 struct hdac_ext_stream *azx_dev, bool decouple);
  96 void snd_hdac_ext_stop_streams(struct hdac_ext_bus *sbus);
  97
  98 void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hstream);
  99 void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hstream);
 100 void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hstream);
 101 int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *stream, int fmt);
 102
 103 struct hdac_ext_link {
 104         struct hdac_bus *bus;
 105         int index;
 106         void __iomem *ml_addr; /* link output stream reg pointer */
 107         u32 lcaps;   /* link capablities */
 108         u16 lsdiid;  /* link sdi identifier */
 109         struct list_head list;
 110 };
 111
 112 int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link);
 113 int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link);
 114 void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link,
 115                                  int stream);
 116 void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link,
 117                                  int stream);
 118
 119 /* update register macro */
 120 #define snd_hdac_updatel(addr, reg, mask, val)          \
 121         writel(((readl(addr + reg) & ~(mask)) | (val)), \
 122                 addr + reg)
 123
 124 #define snd_hdac_updatew(addr, reg, mask, val)          \
 125         writew(((readw(addr + reg) & ~(mask)) | (val)), \
 126                 addr + reg)
 127
 128 #endif /* __SOUND_HDAUDIO_EXT_H */