diff options
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-devattr.h')
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-devattr.h | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-devattr.h b/drivers/media/video/pvrusb2/pvrusb2-devattr.h index e23ce1d..cb3a33e 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-devattr.h +++ b/drivers/media/video/pvrusb2/pvrusb2-devattr.h @@ -48,6 +48,10 @@ struct pvr2_string_table { #define PVR2_LED_SCHEME_NONE 0 #define PVR2_LED_SCHEME_HAUPPAUGE 1 +#define PVR2_IR_SCHEME_NONE 0 +#define PVR2_IR_SCHEME_24XXX 1 +#define PVR2_IR_SCHEME_ZILOG 2 + /* This describes a particular hardware type (except for the USB device ID which must live in a separate structure due to environmental constraints). See the top of pvrusb2-hdw.c for where this is @@ -126,15 +130,19 @@ struct pvr2_device_desc { ensure that it is found. */ unsigned int flag_has_wm8775:1; - /* Device has IR hardware that can be faked into looking like a - normal Hauppauge i2c IR receiver. This is currently very - specific to the 24xxx device, where Hauppauge had replaced their - 'standard' I2C IR receiver with a bunch of FPGA logic controlled - directly via the FX2. Turning this on tells the pvrusb2 driver - to virtualize the presence of the non-existant IR receiver chip and - implement the virtual receiver in terms of appropriate FX2 - commands. */ - unsigned int flag_has_hauppauge_custom_ir:1; + /* Indicate any specialized IR scheme that might need to be + supported by this driver. If not set, then it is assumed that + IR can work without help from the driver (which is frequently + the case). This is otherwise set to one of + PVR2_IR_SCHEME_xxxx. For "xxxx", the value "24XXX" indicates a + Hauppauge 24xxx class device which has an FPGA-hosted IR + receiver that can only be reached via FX2 command codes. In + that case the pvrusb2 driver will emulate the behavior of the + older 29xxx device's IR receiver (a "virtual" I2C chip) in terms + of those command codes. For the value "ZILOG", we're dealing + with an IR chip that must be taken out of reset via another FX2 + command code (which is the case for HVR-1950 devices). */ + unsigned int ir_scheme:2; /* These bits define which kinds of sources the device can handle. Note: Digital tuner presence is inferred by the |
