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 */
108