i2c.c File Reference

#include <assert.h>
#include <console/console.h>
#include <device/i2c_simple.h>
#include <string.h>
#include <soc/blsp.h>
#include <soc/qup.h>
#include <soc/gpio.h>

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Functions
static int	i2c_read (uint32_t gsbi_id, uint8_t slave, uint8_t *data, int data_len)
static int	i2c_write (uint32_t gsbi_id, uint8_t slave, uint8_t *data, int data_len, uint8_t stop_seq)
static int	i2c_init (blsp_qup_id_t id)
int	platform_i2c_transfer (unsigned int bus, struct i2c_msg *segments, int seg_count)

Variables
static qup_config_t	blsp1_qup0_config
static qup_config_t	blsp1_qup1_config
static qup_config_t	blsp1_qup2_config
static qup_config_t	blsp1_qup3_config

Function Documentation

i2c_init()

static int i2c_init ( blsp_qup_id_t  id )

static

Definition at line 81 of file i2c.c.

References BIOS_ERR, blsp1_qup0_config, blsp1_qup1_config, blsp1_qup2_config, blsp1_qup3_config, blsp_i2c_init(), BLSP_QUP_ID_0, BLSP_QUP_ID_1, BLSP_QUP_ID_2, BLSP_QUP_ID_3, qup_config_t::initialized, printk, qup_init(), and qup_reset_i2c_master_status().

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i2c_read()

static int i2c_read ( uint32_t  gsbi_id, uint8_t  slave, uint8_t *  data, int  data_len  )

static

Definition at line 43 of file i2c.c.

References qup_data_t::iic, memset(), qup_data_t::p, qup_data_t::protocol, QUP_MINICORE_I2C_MASTER, qup_recv_data(), QUP_SUCCESS, and slave.

Referenced by platform_i2c_transfer().

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i2c_write()

static int i2c_write ( uint32_t  gsbi_id, uint8_t  slave, uint8_t *  data, int  data_len, uint8_t  stop_seq  )

static

Definition at line 62 of file i2c.c.

References qup_data_t::iic, memset(), qup_data_t::p, qup_data_t::protocol, QUP_MINICORE_I2C_MASTER, qup_send_data(), QUP_SUCCESS, and slave.

Referenced by platform_i2c_transfer().

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platform_i2c_transfer()

int platform_i2c_transfer	(	unsigned int	bus,
		struct i2c_msg *	segments,
		int	seg_count
	)

Definition at line 126 of file i2c.c.

References i2c_msg::buf, i2c_msg::flags, i2c_init(), I2C_M_RD, i2c_read(), i2c_write(), i2c_msg::len, qup_set_state(), QUP_STATE_RESET, and i2c_msg::slave.

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Variable Documentation

blsp1_qup0_config

qup_config_t blsp1_qup0_config

static

Initial value:

= {
        QUP_MINICORE_I2C_MASTER,
        400000,
        19200000,
        QUP_MODE_BLOCK,
        0
}

Definition at line 11 of file i2c.c.

Referenced by i2c_init().

blsp1_qup1_config

qup_config_t blsp1_qup1_config

static

Initial value:

= {
        QUP_MINICORE_I2C_MASTER,
        400000,
        19200000,
        QUP_MODE_BLOCK,
        0
}

Definition at line 19 of file i2c.c.

Referenced by i2c_init().

blsp1_qup2_config

qup_config_t blsp1_qup2_config

static

Initial value:

= {
        QUP_MINICORE_I2C_MASTER,
        400000,
        19200000,
        QUP_MODE_BLOCK,
        0
}

Definition at line 27 of file i2c.c.

Referenced by i2c_init().

blsp1_qup3_config

qup_config_t blsp1_qup3_config

static

Initial value:

= {
        QUP_MINICORE_I2C_MASTER,
        400000,
        19200000,
        QUP_MODE_BLOCK,
        0
}

Definition at line 35 of file i2c.c.

Referenced by i2c_init().