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_io_ops *io_ops, 10 const struct hdac_ext_bus_ops *ext_ops); 11 12 void snd_hdac_ext_bus_exit(struct hdac_bus *bus); 13 int snd_hdac_ext_bus_device_init(struct hdac_bus *bus, int addr, 14 struct hdac_device *hdev); 15 void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev); 16 void snd_hdac_ext_bus_device_remove(struct hdac_bus *bus); 17 18 #define HDA_CODEC_REV_EXT_ENTRY(_vid, _rev, _name, drv_data) \ 19 { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \ 20 .api_version = HDA_DEV_ASOC, \ 21 .driver_data = (unsigned long)(drv_data) } 22 #define HDA_CODEC_EXT_ENTRY(_vid, _revid, _name, _drv_data) \ 23 HDA_CODEC_REV_EXT_ENTRY(_vid, _revid, _name, _drv_data) 24 25 void snd_hdac_ext_bus_ppcap_enable(struct hdac_bus *chip, bool enable); 26 void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_bus *chip, bool enable); 27 28 void snd_hdac_ext_stream_spbcap_enable(struct hdac_bus *chip, 29 bool enable, int index); 30 31 int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_bus *bus); 32 struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_bus *bus, 33 const char *codec_name); 34 35 enum hdac_ext_stream_type { 36 HDAC_EXT_STREAM_TYPE_COUPLED = 0, 37 HDAC_EXT_STREAM_TYPE_HOST, 38 HDAC_EXT_STREAM_TYPE_LINK 39 }; 40 41 /** 42 * hdac_ext_stream: HDAC extended stream for extended HDA caps 43 * 44 * @hstream: hdac_stream 45 * @pphc_addr: processing pipe host stream pointer 46 * @pplc_addr: processing pipe link stream pointer 47 * @spib_addr: software position in buffers stream pointer 48 * @fifo_addr: software position Max fifos stream pointer 49 * @dpibr_addr: DMA position in buffer resume pointer 50 * @dpib: DMA position in buffer 51 * @lpib: Linear position in buffer 52 * @decoupled: stream host and link is decoupled 53 * @link_locked: link is locked 54 * @link_prepared: link is prepared 55 * link_substream: link substream 56 */ 57 struct hdac_ext_stream { 58 struct hdac_stream hstream; 59 60 void __iomem *pphc_addr; 61 void __iomem *pplc_addr; 62 63 void __iomem *spib_addr; 64 void __iomem *fifo_addr; 65 66 void __iomem *dpibr_addr; 67 68 u32 dpib; 69 u32 lpib; 70 bool decoupled:1; 71 bool link_locked:1; 72 bool link_prepared; 73 74 struct snd_pcm_substream *link_substream; 75 }; 76 77 #define hdac_stream(s) (&(s)->hstream) 78 #define stream_to_hdac_ext_stream(s) \ 79 container_of(s, struct hdac_ext_stream, hstream) 80 81 void snd_hdac_ext_stream_init(struct hdac_bus *bus, 82 struct hdac_ext_stream *stream, int idx, 83 int direction, int tag); 84 int snd_hdac_ext_stream_init_all(struct hdac_bus *bus, int start_idx, 85 int num_stream, int dir); 86 void snd_hdac_stream_free_all(struct hdac_bus *bus); 87 void snd_hdac_link_free_all(struct hdac_bus *bus); 88 struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_bus *bus, 89 struct snd_pcm_substream *substream, 90 int type); 91 void snd_hdac_ext_stream_release(struct hdac_ext_stream *azx_dev, int type); 92 void snd_hdac_ext_stream_decouple(struct hdac_bus *bus, 93 struct hdac_ext_stream *azx_dev, bool decouple); 94 void snd_hdac_ext_stop_streams(struct hdac_bus *bus); 95 96 int snd_hdac_ext_stream_set_spib(struct hdac_bus *bus, 97 struct hdac_ext_stream *stream, u32 value); 98 int snd_hdac_ext_stream_get_spbmaxfifo(struct hdac_bus *bus, 99 struct hdac_ext_stream *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 *stream, u32 value); 104 int snd_hdac_ext_stream_set_lpib(struct hdac_ext_stream *stream, u32 value); 105 106 void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hstream); 107 void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hstream); 108 void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hstream); 109 int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *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 /* update register macro */ 136 #define snd_hdac_updatel(addr, reg, mask, val) \ 137 writel(((readl(addr + reg) & ~(mask)) | (val)), \ 138 addr + reg) 139 140 #define snd_hdac_updatew(addr, reg, mask, val) \ 141 writew(((readw(addr + reg) & ~(mask)) | (val)), \ 142 addr + reg) 143 144 145 struct hdac_ext_device; 146 147 /* ops common to all codec drivers */ 148 struct hdac_ext_codec_ops { 149 int (*build_controls)(struct hdac_ext_device *dev); 150 int (*init)(struct hdac_ext_device *dev); 151 void (*free)(struct hdac_ext_device *dev); 152 }; 153 154 struct hda_dai_map { 155 char *dai_name; 156 hda_nid_t nid; 157 u32 maxbps; 158 }; 159 160 struct hdac_ext_dma_params { 161 u32 format; 162 u8 stream_tag; 163 }; 164 165 int snd_hda_ext_driver_register(struct hdac_driver *drv); 166 void snd_hda_ext_driver_unregister(struct hdac_driver *drv); 167 168 #endif /* __SOUND_HDAUDIO_EXT_H */ 169