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Diffstat (limited to 'include/pmic.h')
| -rw-r--r-- | include/pmic.h | 71 | 
1 files changed, 71 insertions, 0 deletions
| diff --git a/include/pmic.h b/include/pmic.h new file mode 100644 index 000000000..52a1526d9 --- /dev/null +++ b/include/pmic.h @@ -0,0 +1,71 @@ +/* + *  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 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_ */ |