diff options
| author | Eliot Blennerhassett <eblennerhassett@audioscience.com> | 2011-02-10 17:26:16 +1300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-02-10 18:49:37 +0100 |
| commit | bd33c1cad21da3ac3c541e2107a6c46072ca081b (patch) | |
| tree | 343b4ad33ac32c3f1d59da0b019196de241f3885 /sound/pci/asihpi/hpi.h | |
| parent | 827492acb0bc1262e2d93f3b3b0e33b00a7365ad (diff) | |
ALSA: asihpi - New functions prep for interrupt driven streams.
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/asihpi/hpi.h')
| -rw-r--r-- | sound/pci/asihpi/hpi.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/sound/pci/asihpi/hpi.h b/sound/pci/asihpi/hpi.h index 5ac978d07740..ec19df50c183 100644 --- a/sound/pci/asihpi/hpi.h +++ b/sound/pci/asihpi/hpi.h @@ -324,6 +324,15 @@ to enable SSX2 stream mapping within the kernel level of the driver. */ HPI_ADAPTER_PROPERTY_SSX2_SETTING = 4, +/** Enables/disables PCI(e) IRQ. +A setting of 0 indicates that no interrupts are being generated. A DSP boot +this property is set to 0. Setting to a non-zero value specifies the number +of frames of audio that should be processed between interrupts. This property +should be set to multiple of the mixer interval as read back from the +HPI_ADAPTER_PROPERTY_INTERVAL property. +*/ + HPI_ADAPTER_PROPERTY_IRQ_RATE = 5, + /** Base number for readonly properties */ HPI_ADAPTER_PROPERTY_READONLYBASE = 256, @@ -428,7 +437,13 @@ return value is true (1) or false (0). If the current adapter mode is MONO SSX2 is disabled, even though this property will return true. */ - HPI_ADAPTER_PROPERTY_SUPPORTS_SSX2 = 271 + HPI_ADAPTER_PROPERTY_SUPPORTS_SSX2 = 271, +/** Readonly supports PCI(e) IRQ. +Indicates that the adapter in it's current mode supports interrupts +across the host bus. Note, this does not imply that interrupts are +enabled. Instead it indicates that they can be enabled. +*/ + HPI_ADAPTER_PROPERTY_SUPPORTS_IRQ = 272 }; /** Adapter mode commands @@ -998,6 +1013,8 @@ enum HPI_ERROR_CODES { HPI_ERROR_NO_INTERADAPTER_GROUPS = 314, /** Streams on different DSPs cannot be grouped. */ HPI_ERROR_NO_INTERDSP_GROUPS = 315, + /** Stream wait cancelled before threshold reached. */ + HPI_ERROR_WAIT_CANCELLED = 316, /** Invalid mixer node for this adapter. */ HPI_ERROR_INVALID_NODE = 400, |