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 * @lock: lock for link mgmt 18 * @cmd_dma_state: state of cmd DMAs: CORB and RIRB 19 */ 20 struct hdac_ext_bus { 21 struct hdac_bus bus; 22 int num_streams; 23 int idx; 24 25 void __iomem *ppcap; 26 void __iomem *spbcap; 27 void __iomem *mlcap; 28 void __iomem *gtscap; 29 void __iomem *drsmcap; 30 31 struct list_head hlink_list; 32 33 struct mutex lock; 34 bool cmd_dma_state; 35 }; 36 37 int snd_hdac_ext_bus_init(struct hdac_ext_bus *sbus, struct device *dev, 38 const struct hdac_bus_ops *ops, 39 const struct hdac_io_ops *io_ops); 40 41 void snd_hdac_ext_bus_exit(struct hdac_ext_bus *sbus); 42 int snd_hdac_ext_bus_device_init(struct hdac_ext_bus *sbus, int addr); 43 void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev); 44 void snd_hdac_ext_bus_device_remove(struct hdac_ext_bus *ebus); 45 46 #define ebus_to_hbus(ebus) (&(ebus)->bus) 47 #define hbus_to_ebus(_bus) \ 48 container_of(_bus, struct hdac_ext_bus, bus) 49 50 #define HDA_CODEC_REV_EXT_ENTRY(_vid, _rev, _name, drv_data) \ 51 { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \ 52 .api_version = HDA_DEV_ASOC, \ 53 .driver_data = (unsigned long)(drv_data) } 54 #define HDA_CODEC_EXT_ENTRY(_vid, _revid, _name, _drv_data) \ 55 HDA_CODEC_REV_EXT_ENTRY(_vid, _revid, _name, _drv_data) 56 57 int snd_hdac_ext_bus_parse_capabilities(struct hdac_ext_bus *sbus); 58 void snd_hdac_ext_bus_ppcap_enable(struct hdac_ext_bus *chip, bool enable); 59 void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_ext_bus *chip, bool enable); 60 61 void snd_hdac_ext_stream_spbcap_enable(struct hdac_ext_bus *chip, 62 bool enable, int index); 63 64 int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_ext_bus *bus); 65 struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_ext_bus *bus, 66 const char *codec_name); 67 68 enum hdac_ext_stream_type { 69 HDAC_EXT_STREAM_TYPE_COUPLED = 0, 70 HDAC_EXT_STREAM_TYPE_HOST, 71 HDAC_EXT_STREAM_TYPE_LINK 72 }; 73 74 /** 75 * hdac_ext_stream: HDAC extended stream for extended HDA caps 76 * 77 * @hstream: hdac_stream 78 * @pphc_addr: processing pipe host stream pointer 79 * @pplc_addr: processing pipe link stream pointer 80 * @spib_addr: software position in buffers stream pointer 81 * @fifo_addr: software position Max fifos stream pointer 82 * @dpibr_addr: DMA position in buffer resume pointer 83 * @dpib: DMA position in buffer 84 * @lpib: Linear position in buffer 85 * @decoupled: stream host and link is decoupled 86 * @link_locked: link is locked 87 * @link_prepared: link is prepared 88 * link_substream: link substream 89 */ 90 struct hdac_ext_stream { 91 struct hdac_stream hstream; 92 93 void __iomem *pphc_addr; 94 void __iomem *pplc_addr; 95 96 void __iomem *spib_addr; 97 void __iomem *fifo_addr; 98 99 void __iomem *dpibr_addr; 100 101 u32 dpib; 102 u32 lpib; 103 bool decoupled:1; 104 bool link_locked:1; 105 bool link_prepared; 106 107 struct snd_pcm_substream *link_substream; 108 }; 109 110 #define hdac_stream(s) (&(s)->hstream) 111 #define stream_to_hdac_ext_stream(s) \ 112 container_of(s, struct hdac_ext_stream, hstream) 113 114 void snd_hdac_ext_stream_init(struct hdac_ext_bus *bus, 115 struct hdac_ext_stream *stream, int idx, 116 int direction, int tag); 117 int snd_hdac_ext_stream_init_all(struct hdac_ext_bus *ebus, int start_idx, 118 int num_stream, int dir); 119 void snd_hdac_stream_free_all(struct hdac_ext_bus *ebus); 120 void snd_hdac_link_free_all(struct hdac_ext_bus *ebus); 121 struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_ext_bus *bus, 122 struct snd_pcm_substream *substream, 123 int type); 124 void snd_hdac_ext_stream_release(struct hdac_ext_stream *azx_dev, int type); 125 void snd_hdac_ext_stream_decouple(struct hdac_ext_bus *bus, 126 struct hdac_ext_stream *azx_dev, bool decouple); 127 void snd_hdac_ext_stop_streams(struct hdac_ext_bus *sbus); 128 129 int snd_hdac_ext_stream_set_spib(struct hdac_ext_bus *ebus, 130 struct hdac_ext_stream *stream, u32 value); 131 int snd_hdac_ext_stream_get_spbmaxfifo(struct hdac_ext_bus *ebus, 132 struct hdac_ext_stream *stream); 133 void snd_hdac_ext_stream_drsm_enable(struct hdac_ext_bus *ebus, 134 bool enable, int index); 135 int snd_hdac_ext_stream_set_dpibr(struct hdac_ext_bus *ebus, 136 struct hdac_ext_stream *stream, u32 value); 137 int snd_hdac_ext_stream_set_lpib(struct hdac_ext_stream *stream, u32 value); 138 139 void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hstream); 140 void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hstream); 141 void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hstream); 142 int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *stream, int fmt); 143 144 struct hdac_ext_link { 145 struct hdac_bus *bus; 146 int index; 147 void __iomem *ml_addr; /* link output stream reg pointer */ 148 u32 lcaps; /* link capablities */ 149 u16 lsdiid; /* link sdi identifier */ 150 151 int ref_count; 152 153 struct list_head list; 154 }; 155 156 int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link); 157 int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link); 158 int snd_hdac_ext_bus_link_power_up_all(struct hdac_ext_bus *ebus); 159 int snd_hdac_ext_bus_link_power_down_all(struct hdac_ext_bus *ebus); 160 void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link, 161 int stream); 162 void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link, 163 int stream); 164 165 int snd_hdac_ext_bus_link_get(struct hdac_ext_bus *ebus, 166 struct hdac_ext_link *link); 167 int snd_hdac_ext_bus_link_put(struct hdac_ext_bus *ebus, 168 struct hdac_ext_link *link); 169 170 /* update register macro */ 171 #define snd_hdac_updatel(addr, reg, mask, val) \ 172 writel(((readl(addr + reg) & ~(mask)) | (val)), \ 173 addr + reg) 174 175 #define snd_hdac_updatew(addr, reg, mask, val) \ 176 writew(((readw(addr + reg) & ~(mask)) | (val)), \ 177 addr + reg) 178 179 180 struct hdac_ext_device; 181 182 /* ops common to all codec drivers */ 183 struct hdac_ext_codec_ops { 184 int (*build_controls)(struct hdac_ext_device *dev); 185 int (*init)(struct hdac_ext_device *dev); 186 void (*free)(struct hdac_ext_device *dev); 187 }; 188 189 struct hda_dai_map { 190 char *dai_name; 191 hda_nid_t nid; 192 u32 maxbps; 193 }; 194 195 #define HDA_MAX_NIDS 16 196 197 /** 198 * struct hdac_ext_device - HDAC Ext device 199 * 200 * @hdac: hdac core device 201 * @nid_list - the dai map which matches the dai-name with the nid 202 * @map_cur_idx - the idx in use in dai_map 203 * @ops - the hda codec ops common to all codec drivers 204 * @pvt_data - private data, for asoc contains asoc codec object 205 */ 206 struct hdac_ext_device { 207 struct hdac_device hdac; 208 struct hdac_ext_bus *ebus; 209 210 /* soc-dai to nid map */ 211 struct hda_dai_map nid_list[HDA_MAX_NIDS]; 212 unsigned int map_cur_idx; 213 214 /* codec ops */ 215 struct hdac_ext_codec_ops ops; 216 217 struct snd_card *card; 218 void *scodec; 219 void *private_data; 220 }; 221 222 struct hdac_ext_dma_params { 223 u32 format; 224 u8 stream_tag; 225 }; 226 #define to_ehdac_device(dev) (container_of((dev), \ 227 struct hdac_ext_device, hdac)) 228 /* 229 * HD-audio codec base driver 230 */ 231 struct hdac_ext_driver { 232 struct hdac_driver hdac; 233 234 int (*probe)(struct hdac_ext_device *dev); 235 int (*remove)(struct hdac_ext_device *dev); 236 void (*shutdown)(struct hdac_ext_device *dev); 237 }; 238 239 int snd_hda_ext_driver_register(struct hdac_ext_driver *drv); 240 void snd_hda_ext_driver_unregister(struct hdac_ext_driver *drv); 241 242 #define to_ehdac_driver(_drv) container_of(_drv, struct hdac_ext_driver, hdac) 243 244 #endif /* __SOUND_HDAUDIO_EXT_H */ 245