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_id(struct hdac_bus *bus, u32 id); 26 struct hdac_ext_link *snd_hdac_ext_bus_get_hlink_by_addr(struct hdac_bus *bus, int addr); 27 struct hdac_ext_link *snd_hdac_ext_bus_get_hlink_by_name(struct hdac_bus *bus, 28 const char *codec_name); 29 30 enum hdac_ext_stream_type { 31 HDAC_EXT_STREAM_TYPE_COUPLED = 0, 32 HDAC_EXT_STREAM_TYPE_HOST, 33 HDAC_EXT_STREAM_TYPE_LINK 34 }; 35 36 /** 37 * hdac_ext_stream: HDAC extended stream for extended HDA caps 38 * 39 * @hstream: hdac_stream 40 * @pphc_addr: processing pipe host stream pointer 41 * @pplc_addr: processing pipe link stream pointer 42 * @decoupled: stream host and link is decoupled 43 * @link_locked: link is locked 44 * @link_prepared: link is prepared 45 * @link_substream: link substream 46 */ 47 struct hdac_ext_stream { 48 struct hdac_stream hstream; 49 50 void __iomem *pphc_addr; 51 void __iomem *pplc_addr; 52 53 u32 pphcllpl; 54 u32 pphcllpu; 55 u32 pphcldpl; 56 u32 pphcldpu; 57 58 u32 pplcllpl; 59 u32 pplcllpu; 60 61 bool decoupled:1; 62 bool link_locked:1; 63 bool link_prepared; 64 65 int (*host_setup)(struct hdac_stream *, bool); 66 67 struct snd_pcm_substream *link_substream; 68 }; 69 70 #define hdac_stream(s) (&(s)->hstream) 71 #define stream_to_hdac_ext_stream(s) \ 72 container_of(s, struct hdac_ext_stream, hstream) 73 74 int snd_hdac_ext_stream_init_all(struct hdac_bus *bus, int start_idx, 75 int num_stream, int dir); 76 void snd_hdac_ext_stream_free_all(struct hdac_bus *bus); 77 void snd_hdac_ext_link_free_all(struct hdac_bus *bus); 78 struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_bus *bus, 79 struct snd_pcm_substream *substream, 80 int type); 81 void snd_hdac_ext_stream_release(struct hdac_ext_stream *hext_stream, int type); 82 struct hdac_ext_stream *snd_hdac_ext_cstream_assign(struct hdac_bus *bus, 83 struct snd_compr_stream *cstream); 84 void snd_hdac_ext_stream_decouple_locked(struct hdac_bus *bus, 85 struct hdac_ext_stream *hext_stream, bool decouple); 86 void snd_hdac_ext_stream_decouple(struct hdac_bus *bus, 87 struct hdac_ext_stream *azx_dev, bool decouple); 88 89 void snd_hdac_ext_stream_start(struct hdac_ext_stream *hext_stream); 90 void snd_hdac_ext_stream_clear(struct hdac_ext_stream *hext_stream); 91 void snd_hdac_ext_stream_reset(struct hdac_ext_stream *hext_stream); 92 int snd_hdac_ext_stream_setup(struct hdac_ext_stream *hext_stream, int fmt); 93 int snd_hdac_ext_host_stream_setup(struct hdac_ext_stream *hext_stream, bool code_loading); 94 95 struct hdac_ext_link { 96 struct hdac_bus *bus; 97 int index; 98 void __iomem *ml_addr; /* link output stream reg pointer */ 99 u32 lcaps; /* link capablities */ 100 u16 lsdiid; /* link sdi identifier */ 101 u32 id; 102 u8 slcount; 103 104 int ref_count; 105 106 struct list_head list; 107 }; 108 109 #define hdac_ext_link_alt(link) ((link)->lcaps & AZX_ML_HDA_LCAP_ALT) 110 #define hdac_ext_link_ofls(link) ((link)->lcaps & AZX_ML_HDA_LCAP_OFLS) 111 112 int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *hlink); 113 int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *hlink); 114 int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus); 115 int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus); 116 void snd_hdac_ext_bus_link_set_stream_id(struct hdac_ext_link *hlink, 117 int stream); 118 void snd_hdac_ext_bus_link_clear_stream_id(struct hdac_ext_link *hlink, 119 int stream); 120 121 int snd_hdac_ext_bus_link_get(struct hdac_bus *bus, struct hdac_ext_link *hlink); 122 int snd_hdac_ext_bus_link_put(struct hdac_bus *bus, struct hdac_ext_link *hlink); 123 124 void snd_hdac_ext_bus_link_power(struct hdac_device *codec, bool enable); 125 126 struct hdac_ext_device; 127 128 /* ops common to all codec drivers */ 129 struct hdac_ext_codec_ops { 130 int (*build_controls)(struct hdac_ext_device *dev); 131 int (*init)(struct hdac_ext_device *dev); 132 void (*free)(struct hdac_ext_device *dev); 133 }; 134 135 struct hda_dai_map { 136 char *dai_name; 137 hda_nid_t nid; 138 u32 maxbps; 139 }; 140 141 struct hdac_ext_dma_params { 142 u32 format; 143 u8 stream_tag; 144 }; 145 146 int snd_hda_ext_driver_register(struct hdac_driver *drv); 147 void snd_hda_ext_driver_unregister(struct hdac_driver *drv); 148 149 #endif /* __SOUND_HDAUDIO_EXT_H */ 150