1 /* SPDX-License-Identifier: GPL-2.0
2 *
3 * Maxim Integrated MAX2175 RF to Bits tuner driver
4 *
5 * This driver & most of the hard coded values are based on the reference
6 * application delivered by Maxim for this device.
7 *
8 * Copyright (C) 2016 Maxim Integrated Products
9 * Copyright (C) 2017 Renesas Electronics Corporation
10 */
11
12 #ifndef __MAX2175_H__
13 #define __MAX2175_H__
14
15 #define MAX2175_EU_XTAL_FREQ 36864000 /* In Hz */
16 #define MAX2175_NA_XTAL_FREQ 40186125 /* In Hz */
17
18 enum max2175_region {
19 MAX2175_REGION_EU = 0, /* Europe */
20 MAX2175_REGION_NA, /* North America */
21 };
22
23 enum max2175_band {
24 MAX2175_BAND_AM = 0,
25 MAX2175_BAND_FM,
26 MAX2175_BAND_VHF,
27 MAX2175_BAND_L,
28 };
29
30 enum max2175_eu_mode {
31 /* EU modes */
32 MAX2175_EU_FM_1_2 = 0,
33 MAX2175_DAB_1_2,
34
35 /*
36 * Other possible modes to add in future
37 * MAX2175_DAB_1_0,
38 * MAX2175_DAB_1_3,
39 * MAX2175_EU_FM_2_2,
40 * MAX2175_EU_FMHD_4_0,
41 * MAX2175_EU_AM_1_0,
42 * MAX2175_EU_AM_2_2,
43 */
44 };
45
46 enum max2175_na_mode {
47 /* NA modes */
48 MAX2175_NA_FM_1_0 = 0,
49 MAX2175_NA_FM_2_0,
50
51 /*
52 * Other possible modes to add in future
53 * MAX2175_NA_FMHD_1_0,
54 * MAX2175_NA_FMHD_1_2,
55 * MAX2175_NA_AM_1_0,
56 * MAX2175_NA_AM_1_2,
57 */
58 };
59
60 /* Supported I2S modes */
61 enum {
62 MAX2175_I2S_MODE0 = 0,
63 MAX2175_I2S_MODE1,
64 MAX2175_I2S_MODE2,
65 MAX2175_I2S_MODE3,
66 MAX2175_I2S_MODE4,
67 };
68
69 /* Coefficient table groups */
70 enum {
71 MAX2175_CH_MSEL = 0,
72 MAX2175_EQ_MSEL,
73 MAX2175_AA_MSEL,
74 };
75
76 /* HSLS LO injection polarity */
77 enum {
78 MAX2175_LO_BELOW_DESIRED = 0,
79 MAX2175_LO_ABOVE_DESIRED,
80 };
81
82 /* Channel FSM modes */
83 enum max2175_csm_mode {
84 MAX2175_LOAD_TO_BUFFER = 0,
85 MAX2175_PRESET_TUNE,
86 MAX2175_SEARCH,
87 MAX2175_AF_UPDATE,
88 MAX2175_JUMP_FAST_TUNE,
89 MAX2175_CHECK,
90 MAX2175_LOAD_AND_SWAP,
91 MAX2175_END,
92 MAX2175_BUFFER_PLUS_PRESET_TUNE,
93 MAX2175_BUFFER_PLUS_SEARCH,
94 MAX2175_BUFFER_PLUS_AF_UPDATE,
95 MAX2175_BUFFER_PLUS_JUMP_FAST_TUNE,
96 MAX2175_BUFFER_PLUS_CHECK,
97 MAX2175_BUFFER_PLUS_LOAD_AND_SWAP,
98 MAX2175_NO_ACTION
99 };
100
101 #endif /* __MAX2175_H__ */