From 6387f866a2ccbf393ed5ffe7e2754eb5d0781441 Mon Sep 17 00:00:00 2001 From: Brian Austin Date: Mon, 6 Mar 2017 08:07:59 -0600 Subject: ASoC: Add support for Cirrus Logic CS35L35 Amplifier This patch adds support for the Cirrus Logic CS35L35 9V Boosted Amplifier Signed-off-by: Brian Austin Signed-off-by: Mark Brown --- include/sound/cs35l35.h | 103 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 include/sound/cs35l35.h (limited to 'include/sound') diff --git a/include/sound/cs35l35.h b/include/sound/cs35l35.h new file mode 100644 index 000000000000..de92e452bf93 --- /dev/null +++ b/include/sound/cs35l35.h @@ -0,0 +1,103 @@ +/* + * linux/sound/cs35l35.h -- Platform data for CS35l35 + * + * Copyright (c) 2016 Cirrus Logic Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __CS35L35_H +#define __CS35L35_H + +struct classh_cfg { + /* + * Class H Algorithm Control Variables + * You can either have it done + * automatically or you can adjust + * these variables for tuning + * + * if you do not enable the internal algorithm + * you will get a set of mixer controls for + * Class H tuning + * + * Section 4.3 of the datasheet + */ + bool classh_bst_override; + bool classh_algo_enable; + int classh_bst_max_limit; + int classh_mem_depth; + int classh_release_rate; + int classh_headroom; + int classh_wk_fet_disable; + int classh_wk_fet_delay; + int classh_wk_fet_thld; + int classh_vpch_auto; + int classh_vpch_rate; + int classh_vpch_man; +}; + +struct monitor_cfg { + /* + * Signal Monitor Data + * highly configurable signal monitoring + * data positioning and different types of + * monitoring data. + * + * Section 4.8.2 - 4.8.4 of the datasheet + */ + bool is_present; + bool imon_specs; + bool vmon_specs; + bool vpmon_specs; + bool vbstmon_specs; + bool vpbrstat_specs; + bool zerofill_specs; + u8 imon_dpth; + u8 imon_loc; + u8 imon_frm; + u8 vmon_dpth; + u8 vmon_loc; + u8 vmon_frm; + u8 vpmon_dpth; + u8 vpmon_loc; + u8 vpmon_frm; + u8 vbstmon_dpth; + u8 vbstmon_loc; + u8 vbstmon_frm; + u8 vpbrstat_dpth; + u8 vpbrstat_loc; + u8 vpbrstat_frm; + u8 zerofill_dpth; + u8 zerofill_loc; + u8 zerofill_frm; +}; + +struct cs35l35_platform_data { + + /* Stereo (2 Device) */ + bool stereo; + /* serial port drive strength */ + int sp_drv_str; + /* Boost Power Down with FET */ + bool bst_pdn_fet_on; + /* Boost Voltage : used if ClassH Algo Enabled */ + int bst_vctl; + /* Boost Converter Peak Current CTRL */ + int bst_ipk; + /* Amp Gain Zero Cross */ + bool gain_zc; + /* Audio Input Location */ + int aud_channel; + /* Advisory Input Location */ + int adv_channel; + /* Shared Boost for stereo */ + bool shared_bst; + /* ClassH Algorithm */ + struct classh_cfg classh_algo; + /* Monitor Config */ + struct monitor_cfg mon_cfg; +}; + +#endif /* __CS35L35_H */ -- cgit v1.2.3