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Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-devattr.h')
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-devattr.h26
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 e23ce1d2edd7..cb3a33eb0276 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 {
48#define PVR2_LED_SCHEME_NONE 0 48#define PVR2_LED_SCHEME_NONE 0
49#define PVR2_LED_SCHEME_HAUPPAUGE 1 49#define PVR2_LED_SCHEME_HAUPPAUGE 1
50 50
51#define PVR2_IR_SCHEME_NONE 0
52#define PVR2_IR_SCHEME_24XXX 1
53#define PVR2_IR_SCHEME_ZILOG 2
54
51/* This describes a particular hardware type (except for the USB device ID 55/* This describes a particular hardware type (except for the USB device ID
52 which must live in a separate structure due to environmental 56 which must live in a separate structure due to environmental
53 constraints). See the top of pvrusb2-hdw.c for where this is 57 constraints). See the top of pvrusb2-hdw.c for where this is
@@ -126,15 +130,19 @@ struct pvr2_device_desc {
126 ensure that it is found. */ 130 ensure that it is found. */
127 unsigned int flag_has_wm8775:1; 131 unsigned int flag_has_wm8775:1;
128 132
129 /* Device has IR hardware that can be faked into looking like a 133 /* Indicate any specialized IR scheme that might need to be
130 normal Hauppauge i2c IR receiver. This is currently very 134 supported by this driver. If not set, then it is assumed that
131 specific to the 24xxx device, where Hauppauge had replaced their 135 IR can work without help from the driver (which is frequently
132 'standard' I2C IR receiver with a bunch of FPGA logic controlled 136 the case). This is otherwise set to one of
133 directly via the FX2. Turning this on tells the pvrusb2 driver 137 PVR2_IR_SCHEME_xxxx. For "xxxx", the value "24XXX" indicates a
134 to virtualize the presence of the non-existant IR receiver chip and 138 Hauppauge 24xxx class device which has an FPGA-hosted IR
135 implement the virtual receiver in terms of appropriate FX2 139 receiver that can only be reached via FX2 command codes. In
136 commands. */ 140 that case the pvrusb2 driver will emulate the behavior of the
137 unsigned int flag_has_hauppauge_custom_ir:1; 141 older 29xxx device's IR receiver (a "virtual" I2C chip) in terms
142 of those command codes. For the value "ZILOG", we're dealing
143 with an IR chip that must be taken out of reset via another FX2
144 command code (which is the case for HVR-1950 devices). */
145 unsigned int ir_scheme:2;
138 146
139 /* These bits define which kinds of sources the device can handle. 147 /* These bits define which kinds of sources the device can handle.
140 Note: Digital tuner presence is inferred by the 148 Note: Digital tuner presence is inferred by the