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| author |   Guneshwor Singh <guneshwor.o.singh@intel.com> | 2016-08-04 15:46:03 +0530 |
|---|---|---|
| committer |   Takashi Iwai <tiwai@suse.de> | 2016-08-09 08:53:56 +0200 |
| commit | 50279d9b5facde811280afe13dd8c79f0e7b21ed (patch) | |
| tree | 42bd30d815d8e3c67c4e96c41e38e083004445f8 /include/sound/hda_register.h | |
| parent | ALSA - Ext hda: remove bus_parse_capabilities (diff) | |
| download | linux-dev-50279d9b5facde811280afe13dd8c79f0e7b21ed.tar.xz linux-dev-50279d9b5facde811280afe13dd8c79f0e7b21ed.zip | |
ALSA - hda: Add support for parsing new HDA capabilities
Skylake onwards HDA controller supports new capabilities like
Global Time Stamping (GTS) capability. So add support to parse
these new capabilities.
Signed-off-by: Guneshwor Singh <guneshwor.o.singh@intel.com>
Signed-off-by: Hardik T Shah <hardik.t.shah@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/sound/hda_register.h')
| -rw-r--r-- | include/sound/hda_register.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/sound/hda_register.h b/include/sound/hda_register.h index ff1aecf325e8..0013063db7f2 100644 --- a/include/sound/hda_register.h +++ b/include/sound/hda_register.h @@ -89,6 +89,19 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 }; #define AZX_REG_SD_BDLPL 0x18 #define AZX_REG_SD_BDLPU 0x1c +/* GTS registers */ +#define AZX_REG_LLCH 0x14 + +#define AZX_REG_GTS_BASE 0x520 + +#define AZX_REG_GTSCC (AZX_REG_GTS_BASE + 0x00) +#define AZX_REG_WALFCC (AZX_REG_GTS_BASE + 0x04) +#define AZX_REG_TSCCL (AZX_REG_GTS_BASE + 0x08) +#define AZX_REG_TSCCU (AZX_REG_GTS_BASE + 0x0C) +#define AZX_REG_LLPFOC (AZX_REG_GTS_BASE + 0x14) +#define AZX_REG_LLPCL (AZX_REG_GTS_BASE + 0x18) +#define AZX_REG_LLPCU (AZX_REG_GTS_BASE + 0x1C) + /* Haswell/Broadwell display HD-A controller Extended Mode registers */ #define AZX_REG_HSW_EM4 0x100c #define AZX_REG_HSW_EM5 0x1010 @@ -242,6 +255,29 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 }; /* Interval used to calculate the iterating register offset */ #define AZX_DRSM_INTERVAL 0x08 +/* Global time synchronization registers */ +#define GTSCC_TSCCD_MASK 0x80000000 +#define GTSCC_TSCCD_SHIFT BIT(31) +#define GTSCC_TSCCI_MASK 0x20 +#define GTSCC_CDMAS_DMA_DIR_SHIFT 4 + +#define WALFCC_CIF_MASK 0x1FF +#define WALFCC_FN_SHIFT 9 +#define HDA_CLK_CYCLES_PER_FRAME 512 + +/* + * An error occurs near frame "rollover". The clocks in frame value indicates + * whether this error may have occurred. Here we use the value of 10. Please + * see the errata for the right number [<10] + */ +#define HDA_MAX_CYCLE_VALUE 499 +#define HDA_MAX_CYCLE_OFFSET 10 +#define HDA_MAX_CYCLE_READ_RETRY 10 + +#define TSCCU_CCU_SHIFT 32 +#define LLPC_CCU_SHIFT 32 + + /* * helpers to read the stream position */ |