1 .. SPDX-License-Identifier: GPL-2.0 1 .. SPDX-License-Identifier: GPL-2.0
2 2
3 Maxim Integrated MAX2175 RF to bits tuner driv 3 Maxim Integrated MAX2175 RF to bits tuner driver
4 ============================================== 4 ================================================
5 5
6 The MAX2175 driver implements the following dr 6 The MAX2175 driver implements the following driver-specific controls:
7 7
8 ``V4L2_CID_MAX2175_I2S_ENABLE`` 8 ``V4L2_CID_MAX2175_I2S_ENABLE``
9 ------------------------------- 9 -------------------------------
10 Enable/Disable I2S output of the tuner. Th 10 Enable/Disable I2S output of the tuner. This is a private control
11 that can be accessed only using the subdev 11 that can be accessed only using the subdev interface.
12 Refer to Documentation/driver-api/media/v4 12 Refer to Documentation/driver-api/media/v4l2-controls.rst for more details.
13 13
14 .. flat-table:: 14 .. flat-table::
15 :header-rows: 0 15 :header-rows: 0
16 :stub-columns: 0 16 :stub-columns: 0
17 :widths: 1 4 17 :widths: 1 4
18 18
19 * - ``(0)`` 19 * - ``(0)``
20 - I2S output is disabled. 20 - I2S output is disabled.
21 * - ``(1)`` 21 * - ``(1)``
22 - I2S output is enabled. 22 - I2S output is enabled.
23 23
24 ``V4L2_CID_MAX2175_HSLS`` 24 ``V4L2_CID_MAX2175_HSLS``
25 ------------------------- 25 -------------------------
26 The high-side/low-side (HSLS) control of t 26 The high-side/low-side (HSLS) control of the tuner for a given band.
27 27
28 .. flat-table:: 28 .. flat-table::
29 :header-rows: 0 29 :header-rows: 0
30 :stub-columns: 0 30 :stub-columns: 0
31 :widths: 1 4 31 :widths: 1 4
32 32
33 * - ``(0)`` 33 * - ``(0)``
34 - The LO frequency position is below the 34 - The LO frequency position is below the desired frequency.
35 * - ``(1)`` 35 * - ``(1)``
36 - The LO frequency position is above the 36 - The LO frequency position is above the desired frequency.
37 37
38 ``V4L2_CID_MAX2175_RX_MODE (menu)`` 38 ``V4L2_CID_MAX2175_RX_MODE (menu)``
39 ----------------------------------- 39 -----------------------------------
40 The Rx mode controls a number of preset pa 40 The Rx mode controls a number of preset parameters of the tuner like
41 sample clock (sck), sampling rate etc. The 41 sample clock (sck), sampling rate etc. These multiple settings are
42 provided under one single label called Rx 42 provided under one single label called Rx mode in the datasheet. The
43 list below shows the supported modes with 43 list below shows the supported modes with a brief description.
44 44
45 .. flat-table:: 45 .. flat-table::
46 :header-rows: 0 46 :header-rows: 0
47 :stub-columns: 0 47 :stub-columns: 0
48 :widths: 1 4 48 :widths: 1 4
49 49
50 * - ``"Europe modes"`` 50 * - ``"Europe modes"``
51 * - ``"FM 1.2" (0)`` 51 * - ``"FM 1.2" (0)``
52 - This configures FM band with a sample 52 - This configures FM band with a sample rate of 0.512 million
53 samples/sec with a 10.24 MHz sck. 53 samples/sec with a 10.24 MHz sck.
54 * - ``"DAB 1.2" (1)`` 54 * - ``"DAB 1.2" (1)``
55 - This configures VHF band with a sample 55 - This configures VHF band with a sample rate of 2.048 million
56 samples/sec with a 32.768 MHz sck. 56 samples/sec with a 32.768 MHz sck.
57 57
58 * - ``"North America modes"`` 58 * - ``"North America modes"``
59 * - ``"FM 1.0" (0)`` 59 * - ``"FM 1.0" (0)``
60 - This configures FM band with a sample 60 - This configures FM band with a sample rate of 0.7441875 million
61 samples/sec with a 14.88375 MHz sck. 61 samples/sec with a 14.88375 MHz sck.
62 * - ``"DAB 1.2" (1)`` 62 * - ``"DAB 1.2" (1)``
63 - This configures FM band with a sample 63 - This configures FM band with a sample rate of 0.372 million
64 samples/sec with a 7.441875 MHz sck. 64 samples/sec with a 7.441875 MHz sck.
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