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author | Mark Brown <broonie@kernel.org> | 2016-01-10 12:13:34 +0000 |
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committer | Mark Brown <broonie@kernel.org> | 2016-01-10 12:13:34 +0000 |
commit | 648e3a5bdddf8e7ad9c27450ac368b8bccd807a5 (patch) | |
tree | f5db76d41d4c691a8d4417f0385d5f1b8c9b6b63 /include/sound | |
parent | 15b914476bf24185534a59fb8e149d465ff79c59 (diff) | |
parent | 6706a19747eb693ff35ce140f5cbee66dcfec0c4 (diff) | |
download | linux-648e3a5bdddf8e7ad9c27450ac368b8bccd807a5.tar.bz2 |
Merge branch 'topic/hdac' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-intel
Diffstat (limited to 'include/sound')
-rw-r--r-- | include/sound/hda_register.h | 9 | ||||
-rw-r--r-- | include/sound/hdaudio_ext.h | 15 |
2 files changed, 24 insertions, 0 deletions
diff --git a/include/sound/hda_register.h b/include/sound/hda_register.h index 94dc6a9772e0..ff1aecf325e8 100644 --- a/include/sound/hda_register.h +++ b/include/sound/hda_register.h @@ -233,6 +233,15 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 }; #define AZX_MLCTL_SPA (1<<16) #define AZX_MLCTL_CPA 23 + +/* registers for DMA Resume Capability Structure */ +#define AZX_DRSM_CAP_ID 0x5 +#define AZX_REG_DRSM_CTL 0x4 +/* Base used to calculate the iterating register offset */ +#define AZX_DRSM_BASE 0x08 +/* Interval used to calculate the iterating register offset */ +#define AZX_DRSM_INTERVAL 0x08 + /* * helpers to read the stream position */ diff --git a/include/sound/hdaudio_ext.h b/include/sound/hdaudio_ext.h index 425af0674557..07fa59237feb 100644 --- a/include/sound/hdaudio_ext.h +++ b/include/sound/hdaudio_ext.h @@ -12,6 +12,7 @@ * @spbcap: SPIB capabilities pointer * @mlcap: MultiLink capabilities pointer * @gtscap: gts capabilities pointer + * @drsmcap: dma resume capabilities pointer * @hlink_list: link list of HDA links */ struct hdac_ext_bus { @@ -23,6 +24,7 @@ struct hdac_ext_bus { void __iomem *spbcap; void __iomem *mlcap; void __iomem *gtscap; + void __iomem *drsmcap; struct list_head hlink_list; }; @@ -72,6 +74,9 @@ enum hdac_ext_stream_type { * @pplc_addr: processing pipe link stream pointer * @spib_addr: software position in buffers stream pointer * @fifo_addr: software position Max fifos stream pointer + * @dpibr_addr: DMA position in buffer resume pointer + * @dpib: DMA position in buffer + * @lpib: Linear position in buffer * @decoupled: stream host and link is decoupled * @link_locked: link is locked * @link_prepared: link is prepared @@ -86,6 +91,10 @@ struct hdac_ext_stream { void __iomem *spib_addr; void __iomem *fifo_addr; + void __iomem *dpibr_addr; + + u32 dpib; + u32 lpib; bool decoupled:1; bool link_locked:1; bool link_prepared; @@ -116,6 +125,11 @@ int snd_hdac_ext_stream_set_spib(struct hdac_ext_bus *ebus, struct hdac_ext_stream *stream, u32 value); int snd_hdac_ext_stream_get_spbmaxfifo(struct hdac_ext_bus *ebus, struct hdac_ext_stream *stream); +void snd_hdac_ext_stream_drsm_enable(struct hdac_ext_bus *ebus, + bool enable, int index); +int snd_hdac_ext_stream_set_dpibr(struct hdac_ext_bus *ebus, + struct hdac_ext_stream *stream, u32 value); +int snd_hdac_ext_stream_set_lpib(struct hdac_ext_stream *stream, u32 value); void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hstream); void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hstream); @@ -133,6 +147,7 @@ struct hdac_ext_link { int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link); int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link); +int snd_hdac_ext_bus_link_power_up_all(struct hdac_ext_bus *ebus); int snd_hdac_ext_bus_link_power_down_all(struct hdac_ext_bus *ebus); void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link, int stream); |