xref: /openbmc/linux/include/sound/cs35l35.h (revision 77b329d1)
1 /*
2  * linux/sound/cs35l35.h -- Platform data for CS35l35
3  *
4  * Copyright (c) 2016 Cirrus Logic Inc.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 
11 #ifndef __CS35L35_H
12 #define __CS35L35_H
13 
14 struct classh_cfg {
15 	/*
16 	 * Class H Algorithm Control Variables
17 	 * You can either have it done
18 	 * automatically or you can adjust
19 	 * these variables for tuning
20 	 *
21 	 * if you do not enable the internal algorithm
22 	 * you will get a set of mixer controls for
23 	 * Class H tuning
24 	 *
25 	 * Section 4.3 of the datasheet
26 	 */
27 	bool classh_bst_override;
28 	bool classh_algo_enable;
29 	int classh_bst_max_limit;
30 	int classh_mem_depth;
31 	int classh_release_rate;
32 	int classh_headroom;
33 	int classh_wk_fet_disable;
34 	int classh_wk_fet_delay;
35 	int classh_wk_fet_thld;
36 	int classh_vpch_auto;
37 	int classh_vpch_rate;
38 	int classh_vpch_man;
39 };
40 
41 struct monitor_cfg {
42 	/*
43 	 * Signal Monitor Data
44 	 * highly configurable signal monitoring
45 	 * data positioning and different types of
46 	 * monitoring data.
47 	 *
48 	 * Section 4.8.2 - 4.8.4 of the datasheet
49 	 */
50 	bool is_present;
51 	bool imon_specs;
52 	bool vmon_specs;
53 	bool vpmon_specs;
54 	bool vbstmon_specs;
55 	bool vpbrstat_specs;
56 	bool zerofill_specs;
57 	u8 imon_dpth;
58 	u8 imon_loc;
59 	u8 imon_frm;
60 	u8 vmon_dpth;
61 	u8 vmon_loc;
62 	u8 vmon_frm;
63 	u8 vpmon_dpth;
64 	u8 vpmon_loc;
65 	u8 vpmon_frm;
66 	u8 vbstmon_dpth;
67 	u8 vbstmon_loc;
68 	u8 vbstmon_frm;
69 	u8 vpbrstat_dpth;
70 	u8 vpbrstat_loc;
71 	u8 vpbrstat_frm;
72 	u8 zerofill_dpth;
73 	u8 zerofill_loc;
74 	u8 zerofill_frm;
75 };
76 
77 struct cs35l35_platform_data {
78 
79 	/* Stereo (2 Device) */
80 	bool stereo;
81 	/* serial port drive strength */
82 	int sp_drv_str;
83 	/* serial port drive in unused slots */
84 	int sp_drv_unused;
85 	/* Boost Power Down with FET */
86 	bool bst_pdn_fet_on;
87 	/* Boost Voltage : used if ClassH Algo Enabled */
88 	int bst_vctl;
89 	/* Boost Converter Peak Current CTRL */
90 	int bst_ipk;
91 	/* Amp Gain Zero Cross */
92 	bool gain_zc;
93 	/* Audio Input Location */
94 	int aud_channel;
95 	/* Advisory Input Location */
96 	int adv_channel;
97 	/* Shared Boost for stereo */
98 	bool shared_bst;
99 	/* Specifies this amp is using an external boost supply */
100 	bool ext_bst;
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