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Łukasz Majewskie542b7f2011-10-06 02:37:34 +00001/*
2 * Copyright (C) 2011 Samsung Electronics
3 * Lukasz Majewski <l.majewski@samsung.com>
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#ifndef __CORE_PMIC_H_
25#define __CORE_PMIC_H_
26
27enum { PMIC_I2C, PMIC_SPI, };
28enum { I2C_PMIC, I2C_NUM, };
29enum { PMIC_READ, PMIC_WRITE, };
30
31struct p_i2c {
32 unsigned char addr;
33 unsigned char *buf;
34 unsigned char tx_num;
35};
36
37struct p_spi {
38 unsigned int cs;
39 unsigned int mode;
40 unsigned int bitlen;
41 unsigned int clk;
42 unsigned int flags;
43 u32 (*prepare_tx)(u32 reg, u32 *val, u32 write);
44};
45
46struct pmic {
47 const char *name;
48 unsigned char bus;
49 unsigned char interface;
50 unsigned char number_of_regs;
51 union hw {
52 struct p_i2c i2c;
53 struct p_spi spi;
54 } hw;
55};
56
57int pmic_init(void);
Fabio Estevamed5157e2012-05-07 10:25:58 +000058int pmic_dialog_init(void);
Łukasz Majewskie542b7f2011-10-06 02:37:34 +000059int check_reg(u32 reg);
60struct pmic *get_pmic(void);
61int pmic_probe(struct pmic *p);
62int pmic_reg_read(struct pmic *p, u32 reg, u32 *val);
63int pmic_reg_write(struct pmic *p, u32 reg, u32 val);
64int pmic_set_output(struct pmic *p, u32 reg, int ldo, int on);
65
66#define pmic_i2c_addr (p->hw.i2c.addr)
67#define pmic_i2c_tx_num (p->hw.i2c.tx_num)
68
69#define pmic_spi_bitlen (p->hw.spi.bitlen)
70#define pmic_spi_flags (p->hw.spi.flags)
71
72#endif /* __CORE_PMIC_H_ */