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 int snd_hdac_ext_bus_device_init(struct hdac_bus *bus, int addr, 13 struct hdac_device *hdev, int type); 14 void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev); 15 void snd_hdac_ext_bus_device_remove(struct hdac_bus *bus); 16 17 #define HDA_CODEC_REV_EXT_ENTRY(_vid, _rev, _name, drv_data) \ 18 { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \ 19 .api_version = HDA_DEV_ASOC, \ 20 .driver_data = (unsigned long)(drv_data) } 21 #define HDA_CODEC_EXT_ENTRY(_vid, _revid, _name, _drv_data) \ 22 HDA_CODEC_REV_EXT_ENTRY(_vid, _revid, _name, _drv_data) 23 24 void snd_hdac_ext_bus_ppcap_enable(struct hdac_bus *chip, bool enable); 25 void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus *chip, bool enable); 26 27 void snd_hdac_ext_stream_spbcap_enable(struct hdac_bus *chip, 28 bool enable, int index); 29 30 int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_bus *bus); 31 struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_bus *bus, 32 const char *codec_name); 33 34 enum hdac_ext_stream_type { 35 HDAC_EXT_STREAM_TYPE_COUPLED = 0, 36 HDAC_EXT_STREAM_TYPE_HOST, 37 HDAC_EXT_STREAM_TYPE_LINK 38 }; 39 40 /** 41 * hdac_ext_stream: HDAC extended stream for extended HDA caps 42 * 43 * @hstream: hdac_stream 44 * @pphc_addr: processing pipe host stream pointer 45 * @pplc_addr: processing pipe link stream pointer 46 * @spib_addr: software position in buffers stream pointer 47 * @fifo_addr: software position Max fifos stream pointer 48 * @dpibr_addr: DMA position in buffer resume pointer 49 * @dpib: DMA position in buffer 50 * @lpib: Linear position in buffer 51 * @decoupled: stream host and link is decoupled 52 * @link_locked: link is locked 53 * @link_prepared: link is prepared 54 * @link_substream: link substream 55 */ 56 struct hdac_ext_stream { 57 struct hdac_stream hstream; 58 59 void __iomem *pphc_addr; 60 void __iomem *pplc_addr; 61 62 void __iomem *spib_addr; 63 void __iomem *fifo_addr; 64 65 void __iomem *dpibr_addr; 66 67 u32 dpib; 68 u32 lpib; 69 bool decoupled:1; 70 bool link_locked:1; 71 bool link_prepared; 72 73 struct snd_pcm_substream *link_substream; 74 }; 75 76 #define hdac_stream(s) (&(s)->hstream) 77 #define stream_to_hdac_ext_stream(s) \ 78 container_of(s, struct hdac_ext_stream, hstream) 79 80 void snd_hdac_ext_stream_init(struct hdac_bus *bus, 81 struct hdac_ext_stream *hext_stream, int idx, 82 int direction, int tag); 83 int snd_hdac_ext_stream_init_all(struct hdac_bus *bus, int start_idx, 84 int num_stream, int dir); 85 void snd_hdac_stream_free_all(struct hdac_bus *bus); 86 void snd_hdac_link_free_all(struct hdac_bus *bus); 87 struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_bus *bus, 88 struct snd_pcm_substream *substream, 89 int type); 90 void snd_hdac_ext_stream_release(struct hdac_ext_stream *hext_stream, int type); 91 void snd_hdac_ext_stream_decouple_locked(struct hdac_bus *bus, 92 struct hdac_ext_stream *hext_stream, bool decouple); 93 void snd_hdac_ext_stream_decouple(struct hdac_bus *bus, 94 struct hdac_ext_stream *azx_dev, bool decouple); 95 96 int snd_hdac_ext_stream_set_spib(struct hdac_bus *bus, 97 struct hdac_ext_stream *hext_stream, u32 value); 98 int snd_hdac_ext_stream_get_spbmaxfifo(struct hdac_bus *bus, 99 struct hdac_ext_stream *hext_stream); 100 void snd_hdac_ext_stream_drsm_enable(struct hdac_bus *bus, 101 bool enable, int index); 102 int snd_hdac_ext_stream_set_dpibr(struct hdac_bus *bus, 103 struct hdac_ext_stream *hext_stream, u32 value); 104 int snd_hdac_ext_stream_set_lpib(struct hdac_ext_stream *hext_stream, u32 value); 105 106 void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hext_stream); 107 void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hext_stream); 108 void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hext_stream); 109 int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *hext_stream, int fmt); 110 111 struct hdac_ext_link { 112 struct hdac_bus *bus; 113 int index; 114 void __iomem *ml_addr; /* link output stream reg pointer */ 115 u32 lcaps; /* link capablities */ 116 u16 lsdiid; /* link sdi identifier */ 117 118 int ref_count; 119 120 struct list_head list; 121 }; 122 123 int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link); 124 int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link); 125 int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus); 126 int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus); 127 void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link, 128 int stream); 129 void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link, 130 int stream); 131 132 int snd_hdac_ext_bus_link_get(struct hdac_bus *bus, struct hdac_ext_link *link); 133 int snd_hdac_ext_bus_link_put(struct hdac_bus *bus, struct hdac_ext_link *link); 134 135 void snd_hdac_ext_bus_link_power(struct hdac_device *codec, bool enable); 136 137 /* update register macro */ 138 #define snd_hdac_updatel(addr, reg, mask, val) \ 139 writel(((readl(addr + reg) & ~(mask)) | (val)), \ 140 addr + reg) 141 142 #define snd_hdac_updatew(addr, reg, mask, val) \ 143 writew(((readw(addr + reg) & ~(mask)) | (val)), \ 144 addr + reg) 145 146 147 struct hdac_ext_device; 148 149 /* ops common to all codec drivers */ 150 struct hdac_ext_codec_ops { 151 int (*build_controls)(struct hdac_ext_device *dev); 152 int (*init)(struct hdac_ext_device *dev); 153 void (*free)(struct hdac_ext_device *dev); 154 }; 155 156 struct hda_dai_map { 157 char *dai_name; 158 hda_nid_t nid; 159 u32 maxbps; 160 }; 161 162 struct hdac_ext_dma_params { 163 u32 format; 164 u8 stream_tag; 165 }; 166 167 int snd_hda_ext_driver_register(struct hdac_driver *drv); 168 void snd_hda_ext_driver_unregister(struct hdac_driver *drv); 169 170 #endif /* __SOUND_HDAUDIO_EXT_H */ 171