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 void snd_hdac_ext_bus_device_remove(struct hdac_ext_bus *ebus); 38 39 #define ebus_to_hbus(ebus) (&(ebus)->bus) 40 #define hbus_to_ebus(_bus) \ 41 container_of(_bus, struct hdac_ext_bus, bus) 42 43 #define HDA_CODEC_REV_EXT_ENTRY(_vid, _rev, _name, drv_data) \ 44 { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \ 45 .api_version = HDA_DEV_ASOC, \ 46 .driver_data = (unsigned long)(drv_data) } 47 #define HDA_CODEC_EXT_ENTRY(_vid, _revid, _name, _drv_data) \ 48 HDA_CODEC_REV_EXT_ENTRY(_vid, _revid, _name, _drv_data) 49 50 int snd_hdac_ext_bus_parse_capabilities(struct hdac_ext_bus *sbus); 51 void snd_hdac_ext_bus_ppcap_enable(struct hdac_ext_bus *chip, bool enable); 52 void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_ext_bus *chip, bool enable); 53 54 void snd_hdac_ext_stream_spbcap_enable(struct hdac_ext_bus *chip, 55 bool enable, int index); 56 57 int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_ext_bus *bus); 58 struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_ext_bus *bus, 59 const char *codec_name); 60 61 enum hdac_ext_stream_type { 62 HDAC_EXT_STREAM_TYPE_COUPLED = 0, 63 HDAC_EXT_STREAM_TYPE_HOST, 64 HDAC_EXT_STREAM_TYPE_LINK 65 }; 66 67 /** 68 * hdac_ext_stream: HDAC extended stream for extended HDA caps 69 * 70 * @hstream: hdac_stream 71 * @pphc_addr: processing pipe host stream pointer 72 * @pplc_addr: processing pipe link stream pointer 73 * @spib_addr: software position in buffers stream pointer 74 * @fifo_addr: software position Max fifos stream pointer 75 * @decoupled: stream host and link is decoupled 76 * @link_locked: link is locked 77 * @link_prepared: link is prepared 78 * link_substream: link substream 79 */ 80 struct hdac_ext_stream { 81 struct hdac_stream hstream; 82 83 void __iomem *pphc_addr; 84 void __iomem *pplc_addr; 85 86 void __iomem *spib_addr; 87 void __iomem *fifo_addr; 88 89 bool decoupled:1; 90 bool link_locked:1; 91 bool link_prepared; 92 93 struct snd_pcm_substream *link_substream; 94 }; 95 96 #define hdac_stream(s) (&(s)->hstream) 97 #define stream_to_hdac_ext_stream(s) \ 98 container_of(s, struct hdac_ext_stream, hstream) 99 100 void snd_hdac_ext_stream_init(struct hdac_ext_bus *bus, 101 struct hdac_ext_stream *stream, int idx, 102 int direction, int tag); 103 int snd_hdac_ext_stream_init_all(struct hdac_ext_bus *ebus, int start_idx, 104 int num_stream, int dir); 105 void snd_hdac_stream_free_all(struct hdac_ext_bus *ebus); 106 void snd_hdac_link_free_all(struct hdac_ext_bus *ebus); 107 struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_ext_bus *bus, 108 struct snd_pcm_substream *substream, 109 int type); 110 void snd_hdac_ext_stream_release(struct hdac_ext_stream *azx_dev, int type); 111 void snd_hdac_ext_stream_decouple(struct hdac_ext_bus *bus, 112 struct hdac_ext_stream *azx_dev, bool decouple); 113 void snd_hdac_ext_stop_streams(struct hdac_ext_bus *sbus); 114 115 int snd_hdac_ext_stream_set_spib(struct hdac_ext_bus *ebus, 116 struct hdac_ext_stream *stream, u32 value); 117 int snd_hdac_ext_stream_get_spbmaxfifo(struct hdac_ext_bus *ebus, 118 struct hdac_ext_stream *stream); 119 120 void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hstream); 121 void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hstream); 122 void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hstream); 123 int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *stream, int fmt); 124 125 struct hdac_ext_link { 126 struct hdac_bus *bus; 127 int index; 128 void __iomem *ml_addr; /* link output stream reg pointer */ 129 u32 lcaps; /* link capablities */ 130 u16 lsdiid; /* link sdi identifier */ 131 struct list_head list; 132 }; 133 134 int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link); 135 int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link); 136 int snd_hdac_ext_bus_link_power_down_all(struct hdac_ext_bus *ebus); 137 void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link, 138 int stream); 139 void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link, 140 int stream); 141 142 /* update register macro */ 143 #define snd_hdac_updatel(addr, reg, mask, val) \ 144 writel(((readl(addr + reg) & ~(mask)) | (val)), \ 145 addr + reg) 146 147 #define snd_hdac_updatew(addr, reg, mask, val) \ 148 writew(((readw(addr + reg) & ~(mask)) | (val)), \ 149 addr + reg) 150 151 152 struct hdac_ext_device; 153 154 /* ops common to all codec drivers */ 155 struct hdac_ext_codec_ops { 156 int (*build_controls)(struct hdac_ext_device *dev); 157 int (*init)(struct hdac_ext_device *dev); 158 void (*free)(struct hdac_ext_device *dev); 159 }; 160 161 struct hda_dai_map { 162 char *dai_name; 163 hda_nid_t nid; 164 u32 maxbps; 165 }; 166 167 #define HDA_MAX_NIDS 16 168 169 /** 170 * struct hdac_ext_device - HDAC Ext device 171 * 172 * @hdac: hdac core device 173 * @nid_list - the dai map which matches the dai-name with the nid 174 * @map_cur_idx - the idx in use in dai_map 175 * @ops - the hda codec ops common to all codec drivers 176 * @pvt_data - private data, for asoc contains asoc codec object 177 */ 178 struct hdac_ext_device { 179 struct hdac_device hdac; 180 struct hdac_ext_bus *ebus; 181 182 /* soc-dai to nid map */ 183 struct hda_dai_map nid_list[HDA_MAX_NIDS]; 184 unsigned int map_cur_idx; 185 186 /* codec ops */ 187 struct hdac_ext_codec_ops ops; 188 189 void *private_data; 190 }; 191 192 #define to_ehdac_device(dev) (container_of((dev), \ 193 struct hdac_ext_device, hdac)) 194 /* 195 * HD-audio codec base driver 196 */ 197 struct hdac_ext_driver { 198 struct hdac_driver hdac; 199 200 int (*probe)(struct hdac_ext_device *dev); 201 int (*remove)(struct hdac_ext_device *dev); 202 void (*shutdown)(struct hdac_ext_device *dev); 203 }; 204 205 int snd_hda_ext_driver_register(struct hdac_ext_driver *drv); 206 void snd_hda_ext_driver_unregister(struct hdac_ext_driver *drv); 207 208 #define to_ehdac_driver(_drv) container_of(_drv, struct hdac_ext_driver, hdac) 209 210 #endif /* __SOUND_HDAUDIO_EXT_H */ 211