1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * linux/sound/cs35l35.h -- Platform data for CS35l35
4 *
5 * Copyright (c) 2016 Cirrus Logic Inc.
6 */
7
8 #ifndef __CS35L35_H
9 #define __CS35L35_H
10
11 struct classh_cfg {
12 /*
13 * Class H Algorithm Control Variables
14 * You can either have it done
15 * automatically or you can adjust
16 * these variables for tuning
17 *
18 * if you do not enable the internal algorithm
19 * you will get a set of mixer controls for
20 * Class H tuning
21 *
22 * Section 4.3 of the datasheet
23 */
24 bool classh_bst_override;
25 bool classh_algo_enable;
26 int classh_bst_max_limit;
27 int classh_mem_depth;
28 int classh_release_rate;
29 int classh_headroom;
30 int classh_wk_fet_disable;
31 int classh_wk_fet_delay;
32 int classh_wk_fet_thld;
33 int classh_vpch_auto;
34 int classh_vpch_rate;
35 int classh_vpch_man;
36 };
37
38 struct monitor_cfg {
39 /*
40 * Signal Monitor Data
41 * highly configurable signal monitoring
42 * data positioning and different types of
43 * monitoring data.
44 *
45 * Section 4.8.2 - 4.8.4 of the datasheet
46 */
47 bool is_present;
48 bool imon_specs;
49 bool vmon_specs;
50 bool vpmon_specs;
51 bool vbstmon_specs;
52 bool vpbrstat_specs;
53 bool zerofill_specs;
54 u8 imon_dpth;
55 u8 imon_loc;
56 u8 imon_frm;
57 u8 imon_scale;
58 u8 vmon_dpth;
59 u8 vmon_loc;
60 u8 vmon_frm;
61 u8 vpmon_dpth;
62 u8 vpmon_loc;
63 u8 vpmon_frm;
64 u8 vbstmon_dpth;
65 u8 vbstmon_loc;
66 u8 vbstmon_frm;
67 u8 vpbrstat_dpth;
68 u8 vpbrstat_loc;
69 u8 vpbrstat_frm;
70 u8 zerofill_dpth;
71 u8 zerofill_loc;
72 u8 zerofill_frm;
73 };
74
75 struct cs35l35_platform_data {
76
77 /* Stereo (2 Device) */
78 bool stereo;
79 /* serial port drive strength */
80 int sp_drv_str;
81 /* serial port drive in unused slots */
82 int sp_drv_unused;
83 /* Boost Power Down with FET */
84 bool bst_pdn_fet_on;
85 /* Boost Voltage : used if ClassH Algo Enabled */
86 int bst_vctl;
87 /* Boost Converter Peak Current CTRL */
88 int bst_ipk;
89 /* Amp Gain Zero Cross */
90 bool gain_zc;
91 /* Audio Input Location */
92 int aud_channel;
93 /* Advisory Input Location */
94 int adv_channel;
95 /* Shared Boost for stereo */
96 bool shared_bst;
97 /* Specifies this amp is using an external boost supply */
98 bool ext_bst;
99 /* Inductor Value */
100 int boost_ind;
101 /* ClassH Algorithm */
102 struct classh_cfg classh_algo;
103 /* Monitor Config */
104 struct monitor_cfg mon_cfg;
105 };
106
107 #endif /* __CS35L35_H */