summaryrefslogtreecommitdiffstats
path: root/include/pmic.h
blob: 6a05b40aefe34f05a7bd1265772b7b0e2b7e4b3c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
/*
 *  Copyright (C) 2011 Samsung Electronics
 *  Lukasz Majewski <l.majewski@samsung.com>
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#ifndef __CORE_PMIC_H_
#define __CORE_PMIC_H_

enum { PMIC_I2C, PMIC_SPI, };
enum { I2C_PMIC, I2C_NUM, };
enum { PMIC_READ, PMIC_WRITE, };

struct p_i2c {
	unsigned char addr;
	unsigned char *buf;
	unsigned char tx_num;
};

struct p_spi {
	unsigned int cs;
	unsigned int mode;
	unsigned int bitlen;
	unsigned int clk;
	unsigned int flags;
	u32 (*prepare_tx)(u32 reg, u32 *val, u32 write);
};

struct pmic {
	const char *name;
	unsigned char bus;
	unsigned char interface;
	unsigned char number_of_regs;
	union hw {
		struct p_i2c i2c;
		struct p_spi spi;
	} hw;
};

int pmic_init(void);
int pmic_dialog_init(void);
int check_reg(u32 reg);
struct pmic *get_pmic(void);
int pmic_probe(struct pmic *p);
int pmic_reg_read(struct pmic *p, u32 reg, u32 *val);
int pmic_reg_write(struct pmic *p, u32 reg, u32 val);
int pmic_set_output(struct pmic *p, u32 reg, int ldo, int on);

#define pmic_i2c_addr (p->hw.i2c.addr)
#define pmic_i2c_tx_num (p->hw.i2c.tx_num)

#define pmic_spi_bitlen (p->hw.spi.bitlen)
#define pmic_spi_flags (p->hw.spi.flags)

#endif /* __CORE_PMIC_H_ */