xref: /OK3568_Linux_fs/kernel/drivers/media/i2c/it66353/it66353.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (c) 2022 Rockchip Electronics Co. Ltd.
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * it66353 HDMI 3 in 1 out driver.
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * Author: Kenneth.Hung@ite.com.tw
8*4882a593Smuzhiyun  * 	   Wangqiang Guo <kay.guo@rock-chips.com>
9*4882a593Smuzhiyun  * Version: IT66353_SAMPLE_1.08
10*4882a593Smuzhiyun  *
11*4882a593Smuzhiyun  */
12*4882a593Smuzhiyun #ifndef _IT66353_H_
13*4882a593Smuzhiyun #define _IT66353_H_
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun typedef struct {
16*4882a593Smuzhiyun 	u8 EnRxDDCBypass;
17*4882a593Smuzhiyun 	u8 EnableAutoEQ;
18*4882a593Smuzhiyun } IT6635_DEVICE_OPTION;
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun #ifdef __cplusplus
21*4882a593Smuzhiyun extern "C" {
22*4882a593Smuzhiyun #endif
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun // ------------------------------
25*4882a593Smuzhiyun // APIs:
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun char *it66353_get_lib_version(void);
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun void it66353_setup_edid_ram_phyaddr(u8 *edid, u8 block);
30*4882a593Smuzhiyun void it66353_set_internal_EDID(u8 block, u8 *edid, u8 target_port);
31*4882a593Smuzhiyun void it66353_get_internal_EDID(u8 block, u8 *edid, u8 target_port);
32*4882a593Smuzhiyun void it66353_parse_edid_for_phyaddr(u8 *edid);
33*4882a593Smuzhiyun bool it66353_read_one_block_edid(u8 block, u8 *edid_buffer);
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun #define SW_HPD_LOW 0
36*4882a593Smuzhiyun #define SW_HPD_AUTO 1
37*4882a593Smuzhiyun void it66353_force_rx_hpd(u8 hpd_state);
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun void it66353_set_option(IT6635_DEVICE_OPTION *Opts);
40*4882a593Smuzhiyun void it66353_get_option(IT6635_DEVICE_OPTION *Opts);
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun u8 it66353_get_RS(void);
43*4882a593Smuzhiyun void it66353_set_RS(u8 rs_idx0, u8 rs_idx1, u8 rs_idx2);
44*4882a593Smuzhiyun void it66353_set_ch_RS(u8 ch, u8 rs_index);
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun void it66353_dump_register_all(void);
47*4882a593Smuzhiyun void it66353_dump_opts(void);
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun u8 it66353_get_active_port(void);
50*4882a593Smuzhiyun bool it66353_set_active_port(u8 port);
51*4882a593Smuzhiyun 
52*4882a593Smuzhiyun void it66353_change_default_RS(u8 port, u8 new_rs_idx0,
53*4882a593Smuzhiyun u8 new_rs_idx1, u8 new_rs_idx2, u8 update_hw);
54*4882a593Smuzhiyun 
55*4882a593Smuzhiyun void it66353_set_rx_hpd(u8 hpd_value);
56*4882a593Smuzhiyun void it66353_set_tx_5v(u8 output_value);
57*4882a593Smuzhiyun bool it66353_toggle_hpd(u16 ms_duration);
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun bool it66353_auto_eq_adjust(void);
60*4882a593Smuzhiyun 
61*4882a593Smuzhiyun void it66353_dev_restart(void);
62*4882a593Smuzhiyun void it66353_vars_init(void);
63*4882a593Smuzhiyun void it66353_options_init(void);
64*4882a593Smuzhiyun 
65*4882a593Smuzhiyun /*
66*4882a593Smuzhiyun  * it6635 event handler:
67*4882a593Smuzhiyun  */
68*4882a593Smuzhiyun // static void it66353_dev_loop(void);
69*4882a593Smuzhiyun 
70*4882a593Smuzhiyun /*
71*4882a593Smuzhiyun  * platform dependent functions: (needs implementation)
72*4882a593Smuzhiyun  * u8 it66353_i2c_write(u8 addr, u8 offset, u8 length, u8 *buffer);
73*4882a593Smuzhiyun  * u8 it66353_i2c_read(u8 addr, u8 offset, u8 length, u8 *buffer);
74*4882a593Smuzhiyun  * static void it66353_i2c_read(u8 i2c_addr, u16 reg, u8 n, u8 *val);
75*4882a593Smuzhiyun  */
76*4882a593Smuzhiyun void delay1ms(u16 ms);
77*4882a593Smuzhiyun __tick get_tick_count(void);
78*4882a593Smuzhiyun 
79*4882a593Smuzhiyun #ifdef __cplusplus
80*4882a593Smuzhiyun }
81*4882a593Smuzhiyun #endif
82*4882a593Smuzhiyun 
83*4882a593Smuzhiyun #endif
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