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 * @drsmcap: dma resume capabilities pointer 16 * @hlink_list: link list of HDA links 17 */ 18 struct hdac_ext_bus { 19 struct hdac_bus bus; 20 int num_streams; 21 int idx; 22 23 void __iomem *ppcap; 24 void __iomem *spbcap; 25 void __iomem *mlcap; 26 void __iomem *gtscap; 27 void __iomem *drsmcap; 28 29 struct list_head hlink_list; 30 }; 31 32 int snd_hdac_ext_bus_init(struct hdac_ext_bus *sbus, struct device *dev, 33 const struct hdac_bus_ops *ops, 34 const struct hdac_io_ops *io_ops); 35 36 void snd_hdac_ext_bus_exit(struct hdac_ext_bus *sbus); 37 int snd_hdac_ext_bus_device_init(struct hdac_ext_bus *sbus, int addr); 38 void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev); 39 void snd_hdac_ext_bus_device_remove(struct hdac_ext_bus *ebus); 40 41 #define ebus_to_hbus(ebus) (&(ebus)->bus) 42 #define hbus_to_ebus(_bus) \ 43 container_of(_bus, struct hdac_ext_bus, bus) 44 45 #define HDA_CODEC_REV_EXT_ENTRY(_vid, _rev, _name, drv_data) \ 46 { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \ 47 .api_version = HDA_DEV_ASOC, \ 48 .driver_data = (unsigned long)(drv_data) } 49 #define HDA_CODEC_EXT_ENTRY(_vid, _revid, _name, _drv_data) \ 50 HDA_CODEC_REV_EXT_ENTRY(_vid, _revid, _name, _drv_data) 51 52 int snd_hdac_ext_bus_parse_capabilities(struct hdac_ext_bus *sbus); 53 void snd_hdac_ext_bus_ppcap_enable(struct hdac_ext_bus *chip, bool enable); 54 void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_ext_bus *chip, bool enable); 55 56 void snd_hdac_ext_stream_spbcap_enable(struct hdac_ext_bus *chip, 57 bool enable, int index); 58 59 int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_ext_bus *bus); 60 struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_ext_bus *bus, 61 const char *codec_name); 62 63 enum hdac_ext_stream_type { 64 HDAC_EXT_STREAM_TYPE_COUPLED = 0, 65 HDAC_EXT_STREAM_TYPE_HOST, 66 HDAC_EXT_STREAM_TYPE_LINK 67 }; 68 69 /** 70 * hdac_ext_stream: HDAC extended stream for extended HDA caps 71 * 72 * @hstream: hdac_stream 73 * @pphc_addr: processing pipe host stream pointer 74 * @pplc_addr: processing pipe link stream pointer 75 * @spib_addr: software position in buffers stream pointer 76 * @fifo_addr: software position Max fifos stream pointer 77 * @dpibr_addr: DMA position in buffer resume pointer 78 * @dpib: DMA position in buffer 79 * @lpib: Linear position in buffer 80 * @decoupled: stream host and link is decoupled 81 * @link_locked: link is locked 82 * @link_prepared: link is prepared 83 * link_substream: link substream 84 */ 85 struct hdac_ext_stream { 86 struct hdac_stream hstream; 87 88 void __iomem *pphc_addr; 89 void __iomem *pplc_addr; 90 91 void __iomem *spib_addr; 92 void __iomem *fifo_addr; 93 94 void __iomem *dpibr_addr; 95 96 u32 dpib; 97 u32 lpib; 98 bool decoupled:1; 99 bool link_locked:1; 100 bool link_prepared; 101 102 struct snd_pcm_substream *link_substream; 103 }; 104 105 #define hdac_stream(s) (&(s)->hstream) 106 #define stream_to_hdac_ext_stream(s) \ 107 container_of(s, struct hdac_ext_stream, hstream) 108 109 void snd_hdac_ext_stream_init(struct hdac_ext_bus *bus, 110 struct hdac_ext_stream *stream, int idx, 111 int direction, int tag); 112 int snd_hdac_ext_stream_init_all(struct hdac_ext_bus *ebus, int start_idx, 113 int num_stream, int dir); 114 void snd_hdac_stream_free_all(struct hdac_ext_bus *ebus); 115 void snd_hdac_link_free_all(struct hdac_ext_bus *ebus); 116 struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_ext_bus *bus, 117 struct snd_pcm_substream *substream, 118 int type); 119 void snd_hdac_ext_stream_release(struct hdac_ext_stream *azx_dev, int type); 120 void snd_hdac_ext_stream_decouple(struct hdac_ext_bus *bus, 121 struct hdac_ext_stream *azx_dev, bool decouple); 122 void snd_hdac_ext_stop_streams(struct hdac_ext_bus *sbus); 123 124 int snd_hdac_ext_stream_set_spib(struct hdac_ext_bus *ebus, 125 struct hdac_ext_stream *stream, u32 value); 126 int snd_hdac_ext_stream_get_spbmaxfifo(struct hdac_ext_bus *ebus, 127 struct hdac_ext_stream *stream); 128 void snd_hdac_ext_stream_drsm_enable(struct hdac_ext_bus *ebus, 129 bool enable, int index); 130 int snd_hdac_ext_stream_set_dpibr(struct hdac_ext_bus *ebus, 131 struct hdac_ext_stream *stream, u32 value); 132 int snd_hdac_ext_stream_set_lpib(struct hdac_ext_stream *stream, u32 value); 133 134 void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hstream); 135 void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hstream); 136 void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hstream); 137 int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *stream, int fmt); 138 139 struct hdac_ext_link { 140 struct hdac_bus *bus; 141 int index; 142 void __iomem *ml_addr; /* link output stream reg pointer */ 143 u32 lcaps; /* link capablities */ 144 u16 lsdiid; /* link sdi identifier */ 145 struct list_head list; 146 }; 147 148 int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link); 149 int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link); 150 int snd_hdac_ext_bus_link_power_up_all(struct hdac_ext_bus *ebus); 151 int snd_hdac_ext_bus_link_power_down_all(struct hdac_ext_bus *ebus); 152 void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link, 153 int stream); 154 void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link, 155 int stream); 156 157 /* update register macro */ 158 #define snd_hdac_updatel(addr, reg, mask, val) \ 159 writel(((readl(addr + reg) & ~(mask)) | (val)), \ 160 addr + reg) 161 162 #define snd_hdac_updatew(addr, reg, mask, val) \ 163 writew(((readw(addr + reg) & ~(mask)) | (val)), \ 164 addr + reg) 165 166 167 struct hdac_ext_device; 168 169 /* ops common to all codec drivers */ 170 struct hdac_ext_codec_ops { 171 int (*build_controls)(struct hdac_ext_device *dev); 172 int (*init)(struct hdac_ext_device *dev); 173 void (*free)(struct hdac_ext_device *dev); 174 }; 175 176 struct hda_dai_map { 177 char *dai_name; 178 hda_nid_t nid; 179 u32 maxbps; 180 }; 181 182 #define HDA_MAX_NIDS 16 183 184 /** 185 * struct hdac_ext_device - HDAC Ext device 186 * 187 * @hdac: hdac core device 188 * @nid_list - the dai map which matches the dai-name with the nid 189 * @map_cur_idx - the idx in use in dai_map 190 * @ops - the hda codec ops common to all codec drivers 191 * @pvt_data - private data, for asoc contains asoc codec object 192 */ 193 struct hdac_ext_device { 194 struct hdac_device hdac; 195 struct hdac_ext_bus *ebus; 196 197 /* soc-dai to nid map */ 198 struct hda_dai_map nid_list[HDA_MAX_NIDS]; 199 unsigned int map_cur_idx; 200 201 /* codec ops */ 202 struct hdac_ext_codec_ops ops; 203 204 struct snd_card *card; 205 void *scodec; 206 void *private_data; 207 }; 208 209 struct hdac_ext_dma_params { 210 u32 format; 211 u8 stream_tag; 212 }; 213 #define to_ehdac_device(dev) (container_of((dev), \ 214 struct hdac_ext_device, hdac)) 215 /* 216 * HD-audio codec base driver 217 */ 218 struct hdac_ext_driver { 219 struct hdac_driver hdac; 220 221 int (*probe)(struct hdac_ext_device *dev); 222 int (*remove)(struct hdac_ext_device *dev); 223 void (*shutdown)(struct hdac_ext_device *dev); 224 }; 225 226 int snd_hda_ext_driver_register(struct hdac_ext_driver *drv); 227 void snd_hda_ext_driver_unregister(struct hdac_ext_driver *drv); 228 229 #define to_ehdac_driver(_drv) container_of(_drv, struct hdac_ext_driver, hdac) 230 231 #endif /* __SOUND_HDAUDIO_EXT_H */ 232