mt6360.c File Reference

#include <console/console.h>
#include <device/i2c_simple.h>
#include <soc/mt6360.h>
#include <stdbool.h>

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Macros
#define	CRC8_TABLE_SIZE   256

Functions
static u8	crc8 (const u8 table[CRC8_TABLE_SIZE], u8 *pdata, size_t nbytes)
static void	crc8_populate_msb (u8 table[CRC8_TABLE_SIZE], u8 polynomial)
static int	mt6360_i2c_write_byte (u8 index, u8 reg, u8 data)
static int	mt6360_i2c_read_byte (u8 index, u8 reg, u8 *data)
static int	mt6360_read_interface (u8 index, u8 reg, u8 *data, u8 mask, u8 shift)
static int	mt6360_config_interface (u8 index, u8 reg, u8 data, u8 mask, u8 shift)
static bool	is_valid_ldo (enum mt6360_regulator_id id)
static bool	is_valid_pmic (enum mt6360_regulator_id id)
static void	mt6360_ldo_enable (enum mt6360_regulator_id id, uint8_t enable)
static uint8_t	mt6360_ldo_is_enabled (enum mt6360_regulator_id id)
static void	mt6360_ldo_set_voltage (enum mt6360_regulator_id id, u32 voltage_uv)
static u32	mt6360_ldo_get_voltage (enum mt6360_regulator_id id)
static void	mt6360_pmic_enable (enum mt6360_regulator_id id, uint8_t enable)
static uint8_t	mt6360_pmic_is_enabled (enum mt6360_regulator_id id)
static void	mt6360_pmic_set_voltage (enum mt6360_regulator_id id, u32 voltage_uv)
static u32	mt6360_pmic_get_voltage (enum mt6360_regulator_id id)
void	mt6360_init (uint8_t bus)
void	mt6360_enable (enum mt6360_regulator_id id, uint8_t enable)
uint8_t	mt6360_is_enabled (enum mt6360_regulator_id id)
void	mt6360_set_voltage (enum mt6360_regulator_id id, u32 voltage_uv)
u32	mt6360_get_voltage (enum mt6360_regulator_id id)

Variables
static struct mt6360_i2c_data	i2c_data []
static const uint32_t	mt6360_ldo1_vsel_table [0x10]
static const uint32_t	mt6360_ldo3_vsel_table [0x10]
static const uint32_t	mt6360_ldo5_vsel_table [0x10]
static const struct mt6360_data	regulator_data [MT6360_REGULATOR_COUNT]
static u8	crc8_table [MT6360_INDEX_COUNT][CRC8_TABLE_SIZE]

Macro Definition Documentation

CRC8_TABLE_SIZE

#define CRC8_TABLE_SIZE   256

Definition at line 54 of file mt6360.c.

Function Documentation

crc8()

static u8 crc8 ( const u8  table[CRC8_TABLE_SIZE], u8 *  pdata, size_t  nbytes  )

static

Definition at line 57 of file mt6360.c.

Referenced by mt6360_i2c_read_byte(), and mt6360_i2c_write_byte().

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crc8_populate_msb()

static void crc8_populate_msb ( u8  table[CRC8_TABLE_SIZE], u8  polynomial  )

static

Definition at line 67 of file mt6360.c.

References CRC8_TABLE_SIZE.

Referenced by mt6360_init().

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is_valid_ldo()

static bool is_valid_ldo ( enum mt6360_regulator_id  id )

static

Definition at line 175 of file mt6360.c.

References BIOS_ERR, MT6360_LDO1, MT6360_LDO2, MT6360_LDO3, MT6360_LDO5, and printk.

Referenced by mt6360_enable(), mt6360_get_voltage(), mt6360_is_enabled(), mt6360_ldo_enable(), mt6360_ldo_get_voltage(), mt6360_ldo_is_enabled(), mt6360_ldo_set_voltage(), and mt6360_set_voltage().

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is_valid_pmic()

static bool is_valid_pmic ( enum mt6360_regulator_id  id )

static

Definition at line 186 of file mt6360.c.

References BIOS_ERR, MT6360_BUCK1, MT6360_BUCK2, MT6360_LDO6, MT6360_LDO7, and printk.

Referenced by mt6360_enable(), mt6360_get_voltage(), mt6360_is_enabled(), mt6360_pmic_enable(), mt6360_pmic_get_voltage(), mt6360_pmic_is_enabled(), mt6360_pmic_set_voltage(), and mt6360_set_voltage().

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mt6360_config_interface()

static int mt6360_config_interface ( u8  index, u8  reg, u8  data, u8  mask, u8  shift  )

static

Definition at line 158 of file mt6360.c.

References BIOS_ERR, mask, mt6360_i2c_read_byte(), mt6360_i2c_write_byte(), printk, and val.

Referenced by mt6360_init(), mt6360_ldo_enable(), mt6360_ldo_set_voltage(), mt6360_pmic_enable(), and mt6360_pmic_set_voltage().

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mt6360_enable()

void mt6360_enable	(	enum mt6360_regulator_id	id,
		uint8_t	enable
	)

Definition at line 406 of file mt6360.c.

References is_valid_ldo(), is_valid_pmic(), mt6360_ldo_enable(), and mt6360_pmic_enable().

Referenced by mainboard_enable_regulator().

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mt6360_get_voltage()

u32 mt6360_get_voltage

(

enum mt6360_regulator_id

id

)

Definition at line 432 of file mt6360.c.

References is_valid_ldo(), is_valid_pmic(), mt6360_ldo_get_voltage(), and mt6360_pmic_get_voltage().

Referenced by mainboard_get_regulator_vol().

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mt6360_i2c_read_byte()

static int mt6360_i2c_read_byte ( u8  index, u8  reg, u8 *  data  )

static

Definition at line 107 of file mt6360.c.

References mt6360_i2c_data::addr, BIOS_ERR, buf, mt6360_i2c_data::bus, crc8(), crc8_table, i2c_data, i2c_read_bytes(), and printk.

Referenced by mt6360_config_interface(), and mt6360_read_interface().

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mt6360_i2c_write_byte()

static int mt6360_i2c_write_byte ( u8  index, u8  reg, u8  data  )

static

Definition at line 82 of file mt6360.c.

References mt6360_i2c_data::addr, BIOS_ERR, mt6360_i2c_data::bus, crc8(), crc8_table, i2c_data, i2c_write_raw(), and printk.

Referenced by mt6360_config_interface().

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mt6360_init()

void mt6360_init

(

uint8_t

bus

)

Definition at line 382 of file mt6360.c.

References BIOS_DEBUG, mt6360_i2c_data::bus, crc8_populate_msb(), crc8_table, i2c_data, mt6360_config_interface(), MT6360_INDEX_LDO, MT6360_INDEX_PMIC, mt6360_read_interface(), and printk.

Referenced by mtk_msdc_configure_sdcard(), and platform_romstage_main().

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mt6360_is_enabled()

uint8_t mt6360_is_enabled

(

enum mt6360_regulator_id

id

)

Definition at line 414 of file mt6360.c.

References is_valid_ldo(), is_valid_pmic(), mt6360_ldo_is_enabled(), and mt6360_pmic_is_enabled().

Referenced by mainboard_regulator_is_enabled().

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mt6360_ldo_enable()

static void mt6360_ldo_enable ( enum mt6360_regulator_id  id, uint8_t  enable  )

static

Definition at line 197 of file mt6360.c.

References mt6360_data::enable_mask, mt6360_data::enable_reg, is_valid_ldo(), mt6360_config_interface(), MT6360_INDEX_LDO, mt6360_read_interface(), regulator_data, and val.

Referenced by mt6360_enable().

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mt6360_ldo_get_voltage()

static u32 mt6360_ldo_get_voltage ( enum mt6360_regulator_id  id )

static

Definition at line 272 of file mt6360.c.

References BIOS_ERR, is_valid_ldo(), MIN, MT6360_INDEX_LDO, mt6360_read_interface(), printk, regulator_data, val, mt6360_data::vsel_reg, and mt6360_data::vsel_table.

Referenced by mt6360_get_voltage().

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mt6360_ldo_is_enabled()

static uint8_t mt6360_ldo_is_enabled ( enum mt6360_regulator_id  id )

static

Definition at line 218 of file mt6360.c.

References mt6360_data::enable_mask, mt6360_data::enable_reg, is_valid_ldo(), MT6360_INDEX_LDO, mt6360_read_interface(), regulator_data, and val.

Referenced by mt6360_is_enabled().

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mt6360_ldo_set_voltage()

static void mt6360_ldo_set_voltage ( enum mt6360_regulator_id  id, u32  voltage_uv  )

static

Definition at line 234 of file mt6360.c.

References BIOS_ERR, is_valid_ldo(), MIN, mt6360_config_interface(), MT6360_INDEX_LDO, printk, regulator_data, val, mt6360_data::vsel_reg, mt6360_data::vsel_table, and mt6360_data::vsel_table_len.

Referenced by mt6360_set_voltage().

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mt6360_pmic_enable()

static void mt6360_pmic_enable ( enum mt6360_regulator_id  id, uint8_t  enable  )

static

Definition at line 299 of file mt6360.c.

References mt6360_data::enable_mask, mt6360_data::enable_reg, is_valid_pmic(), mt6360_config_interface(), MT6360_INDEX_PMIC, mt6360_read_interface(), regulator_data, and val.

Referenced by mt6360_enable().

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mt6360_pmic_get_voltage()

static u32 mt6360_pmic_get_voltage ( enum mt6360_regulator_id  id )

static

Definition at line 357 of file mt6360.c.

References is_valid_pmic(), MIN, MT6360_BUCK1, MT6360_BUCK2, MT6360_INDEX_PMIC, MT6360_LDO6, MT6360_LDO7, mt6360_read_interface(), regulator_data, val, and mt6360_data::vsel_reg.

Referenced by mt6360_get_voltage().

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mt6360_pmic_is_enabled()

static uint8_t mt6360_pmic_is_enabled ( enum mt6360_regulator_id  id )

static

Definition at line 320 of file mt6360.c.

References mt6360_data::enable_mask, mt6360_data::enable_reg, is_valid_pmic(), MT6360_INDEX_PMIC, mt6360_read_interface(), regulator_data, and val.

Referenced by mt6360_is_enabled().

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mt6360_pmic_set_voltage()

static void mt6360_pmic_set_voltage ( enum mt6360_regulator_id  id, u32  voltage_uv  )

static

Definition at line 336 of file mt6360.c.

References is_valid_pmic(), MT6360_BUCK1, MT6360_BUCK2, mt6360_config_interface(), MT6360_INDEX_PMIC, MT6360_LDO6, MT6360_LDO7, regulator_data, val, and mt6360_data::vsel_reg.

Referenced by mt6360_set_voltage().

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mt6360_read_interface()

static int mt6360_read_interface ( u8  index, u8  reg, u8 *  data, u8  mask, u8  shift  )

static

Definition at line 142 of file mt6360.c.

References BIOS_ERR, mask, mt6360_i2c_read_byte(), printk, and val.

Referenced by mt6360_init(), mt6360_ldo_enable(), mt6360_ldo_get_voltage(), mt6360_ldo_is_enabled(), mt6360_pmic_enable(), mt6360_pmic_get_voltage(), and mt6360_pmic_is_enabled().

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mt6360_set_voltage()

void mt6360_set_voltage	(	enum mt6360_regulator_id	id,
		u32	voltage_uv
	)

Definition at line 424 of file mt6360.c.

References is_valid_ldo(), is_valid_pmic(), mt6360_ldo_set_voltage(), and mt6360_pmic_set_voltage().

Referenced by mainboard_set_regulator_vol().

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Variable Documentation

crc8_table

u8 crc8_table[MT6360_INDEX_COUNT][CRC8_TABLE_SIZE]

static

Definition at line 55 of file mt6360.c.

Referenced by mt6360_i2c_read_byte(), mt6360_i2c_write_byte(), and mt6360_init().

i2c_data

struct mt6360_i2c_data i2c_data[]

static

Initial value:

= {
        [MT6360_INDEX_LDO] = {
                .addr = MT6360_LDO_I2C_ADDR,
        },
        [MT6360_INDEX_PMIC] = {
                .addr = MT6360_PMIC_I2C_ADDR,
        },
}

Definition at line 1 of file mt6360.c.

Referenced by mt6360_i2c_read_byte(), mt6360_i2c_write_byte(), and mt6360_init().

mt6360_ldo1_vsel_table

const uint32_t mt6360_ldo1_vsel_table[0x10]

static

Initial value:

= {
        [0x4] = 1800000,
        [0x5] = 2000000,
        [0x6] = 2100000,
        [0x7] = 2500000,
        [0x8] = 2700000,
        [0x9] = 2800000,
        [0xA] = 2900000,
        [0xB] = 3000000,
        [0xC] = 3100000,
        [0xD] = 3300000,
}

Definition at line 17 of file mt6360.c.

mt6360_ldo3_vsel_table

const uint32_t mt6360_ldo3_vsel_table[0x10]

static

Initial value:

= {
        [0x4] = 1800000,
        [0xA] = 2900000,
        [0xB] = 3000000,
        [0xD] = 3300000,
}

Definition at line 30 of file mt6360.c.

mt6360_ldo5_vsel_table

const uint32_t mt6360_ldo5_vsel_table[0x10]

static

Initial value:

= {
        [0x2] = 2900000,
        [0x3] = 3000000,
        [0x5] = 3300000,
}

Definition at line 37 of file mt6360.c.

regulator_data

const struct mt6360_data regulator_data[MT6360_REGULATOR_COUNT]

static

Initial value:

= {
        [MT6360_LDO3]  = MT6360_DATA(0x05, 0x40, 0x09, 0xff, mt6360_ldo3_vsel_table),
        [MT6360_LDO5]  = MT6360_DATA(0x0b, 0x40, 0x0f, 0xff, mt6360_ldo5_vsel_table),
        [MT6360_LDO6]  = MT6360_DATA(0x37, 0x40, 0x3b, 0xff, mt6360_ldo3_vsel_table),
        [MT6360_LDO7]  = MT6360_DATA(0x31, 0x40, 0x35, 0xff, mt6360_ldo5_vsel_table),
        [MT6360_BUCK1] = MT6360_DATA(0x17, 0x40, 0x10, 0xff, mt6360_ldo1_vsel_table),
        [MT6360_BUCK2] = MT6360_DATA(0x27, 0x40, 0x20, 0xff, mt6360_ldo1_vsel_table),
        [MT6360_LDO1]  = MT6360_DATA(0x17, 0x40, 0x1b, 0xff, mt6360_ldo1_vsel_table),
        [MT6360_LDO2]  = MT6360_DATA(0x11, 0x40, 0x15, 0xff, mt6360_ldo1_vsel_table),
}

Definition at line 37 of file mt6360.c.

Referenced by mt6360_ldo_enable(), mt6360_ldo_get_voltage(), mt6360_ldo_is_enabled(), mt6360_ldo_set_voltage(), mt6360_pmic_enable(), mt6360_pmic_get_voltage(), mt6360_pmic_is_enabled(), and mt6360_pmic_set_voltage().