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Merge branch 'topic/hdac' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-intel

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This commit is contained in:
Mark Brown 2016-01-10 12:13:34 +00:00
commit 648e3a5bdd
4 changed files with 124 additions and 1 deletions
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9
include/sound/hda_register.h
View file

@ -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
*/

15
include/sound/hdaudio_ext.h
View file

@ -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);