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192.168.1.100 / T106_DC / 9ed821d7e5d875a3395740a9cc2545671fa429b7 / . / boot / common / src / uboot / drivers / charger / zx234502.c
blob: 06316a17182320c8246945e4b6c0dde44bb7aa39 [file] [log] [blame]
lh9ed821d2023-04-07 01:36:19 -0700[diff] [blame^]1/*********************************************************************
2 Copyright 2016 by ZIXC Corporation.
3*
4* FileName:: zx234290.c
5* File Mark:
6* Description:
7* Others:
8* Version:
9* Author:
10* Date:
11
12* History 1:
13* Date:
14* Version:
15* Author:
16* Modification:
17* History 2:
18**********************************************************************/
19
20#include <common.h>
21#include <errno.h>
22#include <command.h>
23#include <malloc.h>
24#include <asm/io.h>
25#include <boot_mode.h>
26#include <i2c.h>
27#include <zx234502.h>
28
29
30
31/*******************************************************************************
32 * Function: zx234290_i2c_read_reg
33 * Description:
34 * Parameters:
35 * Input:
36 *
37 * Output:
38 *
39 * Returns:
40 *
41 *
42 * Others:
43 ********************************************************************************/
44int zx234502_i2c_read_reg(ushort reg, uchar *val)
45{
46 return i2c_read(1, ZX234502_I2C_SLAVE_ADDR, reg, 8, val, 1);
47}
48
49
50
51/*******************************************************************************
52 * Function: zx234290_i2c_write_reg
53 * Description:
54 * Parameters:
55 * Input:
56 *
57 * Output:
58 *
59 * Returns:
60 *
61 *
62 * Others:
63 ********************************************************************************/
64int zx234502_i2c_write_reg(ushort reg, uchar *val)
65{
66 return i2c_write(1, ZX234502_I2C_SLAVE_ADDR, reg, 8, val, 1);
67}
68
69/*******************************************************************************
70 * Function: zx234502_boost_flag
71 * Description:
72 * Parameters:
73 * Input:
74 *
75 * Output:
76 *
77 * Returns:
78 *
79 *
80 * Others:
81 ********************************************************************************/
82int zx234502_boost_flag(int *boost_flag)
83{
84 int ret = 0;
85 uchar reg = 0;
86
87
88 ret = zx234502_i2c_read_reg(ZX234502_REG_PIS, &reg);
89 if( ret != 0 ){
90 printf( "[zx234502_boost_flag]ERROR!!\n");
91 return 1;
92 }
93 printf( " [zx234502_boost_flag][ZX234502_REG_PIS = 0x%x] ...\n", reg);
94
95 *boost_flag = reg & ZX234502_REG_PIS_POWERON_IT_MASK;
96
97 return 0;
98}
99
100/*******************************************************************************
101 * Function: zx234502_battery_status
102 * Description:
103 * Parameters:
104 * Input:
105 *
106 * Output:
107 *
108 * Returns:
109 *
110 *
111 * Others:
112 ********************************************************************************/
113int zx234502_battery_status(int *bat_state)
114{
115 int ret = 0;
116 uchar reg = 0;
117
118 ret = zx234502_i2c_read_reg(ZX234502_REG_CBIS, &reg);
119 if( ret != 0 ){
120 printf( "[zx234502_battery_status]ERROR!!\n");
121 return 1;
122 }
123 printf( " [zx234502_boost_flag][zx234502_battery_status = 0x%x] ...\n", reg);
124
125 *bat_state = reg & ZX234502_REG_CBIS_NOBAT_MASK;
126
127 return 0;
128}
129
130int zx234502_charger_enable()
131{
132 unsigned char reg = 0;
133 reg &= ~0xF;
134 zx234502_i2c_write_reg(0, &reg);
135
136 return 0;
137}