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 int snd_hdac_ext_bus_parse_capabilities(struct hdac_ext_bus *sbus); 44 void snd_hdac_ext_bus_ppcap_enable(struct hdac_ext_bus *chip, bool enable); 45 void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_ext_bus *chip, bool enable); 46 47 void snd_hdac_ext_stream_spbcap_enable(struct hdac_ext_bus *chip, 48 bool enable, int index); 49 50 int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_ext_bus *bus); 51 struct hdac_ext_link *snd_hdac_ext_bus_get_link(struct hdac_ext_bus *bus, 52 const char *codec_name); 53 54 enum hdac_ext_stream_type { 55 HDAC_EXT_STREAM_TYPE_COUPLED = 0, 56 HDAC_EXT_STREAM_TYPE_HOST, 57 HDAC_EXT_STREAM_TYPE_LINK 58 }; 59 60 /** 61 * hdac_ext_stream: HDAC extended stream for extended HDA caps 62 * 63 * @hstream: hdac_stream 64 * @pphc_addr: processing pipe host stream pointer 65 * @pplc_addr: processing pipe link stream pointer 66 * @spib_addr: software position in buffers stream pointer 67 * @fifo_addr: software position Max fifos stream pointer 68 * @decoupled: stream host and link is decoupled 69 * @link_locked: link is locked 70 * @link_prepared: link is prepared 71 * link_substream: link substream 72 */ 73 struct hdac_ext_stream { 74 struct hdac_stream hstream; 75 76 void __iomem *pphc_addr; 77 void __iomem *pplc_addr; 78 79 void __iomem *spib_addr; 80 void __iomem *fifo_addr; 81 82 bool decoupled:1; 83 bool link_locked:1; 84 bool link_prepared; 85 86 struct snd_pcm_substream *link_substream; 87 }; 88 89 #define hdac_stream(s) (&(s)->hstream) 90 #define stream_to_hdac_ext_stream(s) \ 91 container_of(s, struct hdac_ext_stream, hstream) 92 93 void snd_hdac_ext_stream_init(struct hdac_ext_bus *bus, 94 struct hdac_ext_stream *stream, int idx, 95 int direction, int tag); 96 int snd_hdac_ext_stream_init_all(struct hdac_ext_bus *ebus, int start_idx, 97 int num_stream, int dir); 98 void snd_hdac_stream_free_all(struct hdac_ext_bus *ebus); 99 void snd_hdac_link_free_all(struct hdac_ext_bus *ebus); 100 struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_ext_bus *bus, 101 struct snd_pcm_substream *substream, 102 int type); 103 void snd_hdac_ext_stream_release(struct hdac_ext_stream *azx_dev, int type); 104 void snd_hdac_ext_stream_decouple(struct hdac_ext_bus *bus, 105 struct hdac_ext_stream *azx_dev, bool decouple); 106 void snd_hdac_ext_stop_streams(struct hdac_ext_bus *sbus); 107 108 int snd_hdac_ext_stream_set_spib(struct hdac_ext_bus *ebus, 109 struct hdac_ext_stream *stream, u32 value); 110 int snd_hdac_ext_stream_get_spbmaxfifo(struct hdac_ext_bus *ebus, 111 struct hdac_ext_stream *stream); 112 113 void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hstream); 114 void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hstream); 115 void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hstream); 116 int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *stream, int fmt); 117 118 struct hdac_ext_link { 119 struct hdac_bus *bus; 120 int index; 121 void __iomem *ml_addr; /* link output stream reg pointer */ 122 u32 lcaps; /* link capablities */ 123 u16 lsdiid; /* link sdi identifier */ 124 struct list_head list; 125 }; 126 127 int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link); 128 int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link); 129 int snd_hdac_ext_bus_link_power_down_all(struct hdac_ext_bus *ebus); 130 void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link, 131 int stream); 132 void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link, 133 int stream); 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 #define HDA_MAX_NIDS 16 161 162 /** 163 * struct hdac_ext_device - HDAC Ext device 164 * 165 * @hdac: hdac core device 166 * @nid_list - the dai map which matches the dai-name with the nid 167 * @map_cur_idx - the idx in use in dai_map 168 * @ops - the hda codec ops common to all codec drivers 169 * @pvt_data - private data, for asoc contains asoc codec object 170 */ 171 struct hdac_ext_device { 172 struct hdac_device hdac; 173 struct hdac_ext_bus *ebus; 174 175 /* soc-dai to nid map */ 176 struct hda_dai_map nid_list[HDA_MAX_NIDS]; 177 unsigned int map_cur_idx; 178 179 /* codec ops */ 180 struct hdac_ext_codec_ops ops; 181 182 void *private_data; 183 }; 184 185 #define to_ehdac_device(dev) (container_of((dev), \ 186 struct hdac_ext_device, hdac)) 187 /* 188 * HD-audio codec base driver 189 */ 190 struct hdac_ext_driver { 191 struct hdac_driver hdac; 192 193 int (*probe)(struct hdac_ext_device *dev); 194 int (*remove)(struct hdac_ext_device *dev); 195 void (*shutdown)(struct hdac_ext_device *dev); 196 }; 197 198 int snd_hda_ext_driver_register(struct hdac_ext_driver *drv); 199 void snd_hda_ext_driver_unregister(struct hdac_ext_driver *drv); 200 201 #define to_ehdac_driver(_drv) container_of(_drv, struct hdac_ext_driver, hdac) 202 203 #endif /* __SOUND_HDAUDIO_EXT_H */ 204