#include <device/mmio.h>
#include <console/console.h>
#include <delay.h>
#include <timer.h>
#include <soc/iomap.h>
#include <soc/qup.h>

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Macros
#define	TIMEOUT_CNT 100000

#define	QUP_ADDR(gsbi_num, reg) ((void *)((gsbi_qup_base[gsbi_num-1]) + (reg)))

Functions
static qup_return_t	qup_i2c_master_status (gsbi_id_t gsbi_id)

static int	check_bit_state (uint32_t *reg, int wait_for)

static qup_return_t	qup_wait_for_state (gsbi_id_t gsbi_id, unsigned int wait_for)

qup_return_t	qup_reset_i2c_master_status (gsbi_id_t gsbi_id)

static qup_return_t	qup_reset_master_status (gsbi_id_t gsbi_id)

static qup_return_t	qup_fifo_wait_for (gsbi_id_t gsbi_id, uint32_t status, struct stopwatch *timeout)

static qup_return_t	qup_fifo_wait_while (gsbi_id_t gsbi_id, uint32_t status, struct stopwatch *timeout)

static qup_return_t	qup_i2c_write_fifo (gsbi_id_t gsbi_id, qup_data_t *p_tx_obj, uint8_t stop_seq)

static qup_return_t	qup_i2c_write (gsbi_id_t gsbi_id, uint8_t mode, qup_data_t *p_tx_obj, uint8_t stop_seq)

static qup_return_t	qup_i2c_read_fifo (gsbi_id_t gsbi_id, qup_data_t *p_tx_obj)

static qup_return_t	qup_i2c_read (gsbi_id_t gsbi_id, uint8_t mode, qup_data_t *p_tx_obj)

qup_return_t	qup_init (gsbi_id_t gsbi_id, const qup_config_t *config_ptr)

qup_return_t	qup_set_state (gsbi_id_t gsbi_id, uint32_t state)

static qup_return_t	qup_i2c_send_data (gsbi_id_t gsbi_id, qup_data_t *p_tx_obj, uint8_t stop_seq)

qup_return_t	qup_send_data (gsbi_id_t gsbi_id, qup_data_t *p_tx_obj, uint8_t stop_seq)

static qup_return_t	qup_i2c_recv_data (gsbi_id_t gsbi_id, qup_data_t *p_rx_obj)

qup_return_t	qup_recv_data (gsbi_id_t gsbi_id, qup_data_t *p_rx_obj)

Variables
static unsigned int	gsbi_qup_base []

Macro Definition Documentation

◆ QUP_ADDR

#define QUP_ADDR	(	gsbi_num,
		reg
	)	((void *)((gsbi_qup_base[gsbi_num-1]) + (reg)))

Definition at line 23 of file qup.c.

◆ TIMEOUT_CNT

#define TIMEOUT_CNT 100000

Definition at line 10 of file qup.c.

Function Documentation

◆ check_bit_state()

static int check_bit_state	(	uint32_t *	reg,
		int	wait_for
	)

static

Definition at line 49 of file qup.c.

References count, QUP_ERR_TIMEOUT, QUP_STATE_MASK, QUP_STATE_VALID, QUP_STATE_VALID_MASK, QUP_SUCCESS, read32(), TIMEOUT_CNT, and udelay().

Referenced by qup_wait_for_state().

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◆ qup_fifo_wait_for()

static qup_return_t qup_fifo_wait_for	(	gsbi_id_t	gsbi_id,
		uint32_t	status,
		struct stopwatch *	timeout
	)

static

Definition at line 91 of file qup.c.

References QUP_ADDR, QUP_ERR_TIMEOUT, QUP_ERR_UNDEFINED, qup_i2c_master_status(), QUP_OPERATIONAL, QUP_SUCCESS, read32(), and stopwatch_expired().

Referenced by qup_i2c_read_fifo().

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◆ qup_fifo_wait_while()

static qup_return_t qup_fifo_wait_while	(	gsbi_id_t	gsbi_id,
		uint32_t	status,
		struct stopwatch *	timeout
	)

static

Definition at line 107 of file qup.c.

References QUP_ADDR, QUP_ERR_TIMEOUT, QUP_ERR_UNDEFINED, qup_i2c_master_status(), QUP_OPERATIONAL, QUP_SUCCESS, read32(), and stopwatch_expired().

Referenced by qup_i2c_read_fifo(), and qup_i2c_write_fifo().

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◆ qup_i2c_master_status()

static qup_return_t qup_i2c_master_status ( gsbi_id_t gsbi_id )

static

Definition at line 25 of file qup.c.

References QUP_ADDR, QUP_ERR_I2C_ARB_LOST, QUP_ERR_I2C_BUS_ERROR, QUP_ERR_I2C_FAILED, QUP_ERR_I2C_INVALID_SLAVE_ADDR, QUP_ERR_I2C_INVALID_TAG, QUP_ERR_I2C_INVALID_WRITE, QUP_ERR_I2C_NACK, QUP_ERR_XFER_FAIL, QUP_ERROR_FLAGS, QUP_I2C_ARB_LOST, QUP_I2C_BUS_ERROR, QUP_I2C_FAILED_MASK, QUP_I2C_INVALID_READ_ADDR, QUP_I2C_INVALID_TAG, QUP_I2C_INVALID_WRITE, QUP_I2C_MASTER_STATUS, QUP_I2C_PACKET_NACK, QUP_SUCCESS, and read32().

Referenced by qup_fifo_wait_for(), qup_fifo_wait_while(), and qup_i2c_write_fifo().

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◆ qup_i2c_read()

static qup_return_t qup_i2c_read	(	gsbi_id_t	gsbi_id,
		uint8_t	mode,
		qup_data_t *	p_tx_obj
	)

static

Definition at line 268 of file qup.c.

References BIOS_ERR, printk, QUP_ERR_UNDEFINED, QUP_ERR_UNSUPPORTED, qup_i2c_read_fifo(), QUP_MODE_FIFO, qup_set_state(), and QUP_STATE_RESET.

Referenced by qup_i2c_recv_data().

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◆ qup_i2c_read_fifo()

static qup_return_t qup_i2c_read_fifo	(	gsbi_id_t	gsbi_id,
		qup_data_t *	p_tx_obj
	)

static

Definition at line 200 of file qup.c.

References addr, qup_data_t::iic, INPUT_SERVICE_FLAG, OUTPUT_FIFO_NOT_EMPTY, OUTPUT_SERVICE_FLAG, qup_data_t::p, QUP_ADDR, QUP_ERR_UNDEFINED, qup_fifo_wait_for(), qup_fifo_wait_while(), QUP_I2C_ADDR, QUP_I2C_DATA, QUP_I2C_MI_TAG, QUP_I2C_MIDATA_SEQ, QUP_I2C_MISTOP_SEQ, QUP_I2C_RECV_SEQ, QUP_I2C_SLAVE_READ, QUP_I2C_START_SEQ, QUP_INPUT_FIFO, QUP_OPERATIONAL, QUP_OUTPUT_FIFO, qup_reset_master_status(), qup_set_state(), QUP_STATE_PAUSE, QUP_STATE_RUN, QUP_SUCCESS, read32(), stopwatch_init_usecs_expire(), and write32().

Referenced by qup_i2c_read().

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◆ qup_i2c_recv_data()

static qup_return_t qup_i2c_recv_data	(	gsbi_id_t	gsbi_id,
		qup_data_t *	p_rx_obj
	)

static

Definition at line 415 of file qup.c.

References BIOS_DEBUG, qup_data_t::iic, qup_data_t::p, printk, QUP_ADDR, QUP_ERR_UNDEFINED, qup_i2c_read(), QUP_INPUT_MODE_SHFT, QUP_IO_MODES, QUP_MODE_MASK, and read32().

Referenced by qup_recv_data().

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◆ qup_i2c_send_data()

static qup_return_t qup_i2c_send_data	(	gsbi_id_t	gsbi_id,
		qup_data_t *	p_tx_obj,
		uint8_t	stop_seq
	)

static

Definition at line 376 of file qup.c.

References BIOS_DEBUG, qup_data_t::iic, qup_data_t::p, printk, QUP_ADDR, QUP_ERR_UNDEFINED, qup_i2c_write(), QUP_IO_MODES, QUP_MODE_MASK, QUP_OUTPUT_MODE_SHFT, and read32().

Referenced by qup_send_data().

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◆ qup_i2c_write()

static qup_return_t qup_i2c_write	(	gsbi_id_t	gsbi_id,
		uint8_t	mode,
		qup_data_t *	p_tx_obj,
		uint8_t	stop_seq
	)

static

Definition at line 179 of file qup.c.

References BIOS_ERR, printk, QUP_ERR_UNDEFINED, QUP_ERR_UNSUPPORTED, qup_i2c_write_fifo(), QUP_MODE_FIFO, qup_set_state(), and QUP_STATE_RESET.

Referenced by qup_i2c_send_data().

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◆ qup_i2c_write_fifo()

static qup_return_t qup_i2c_write_fifo	(	gsbi_id_t	gsbi_id,
		qup_data_t *	p_tx_obj,
		uint8_t	stop_seq
	)

static

Definition at line 123 of file qup.c.

References addr, qup_data_t::iic, OUTPUT_FIFO_FULL, OUTPUT_FIFO_NOT_EMPTY, OUTPUT_SERVICE_FLAG, qup_data_t::p, QUP_ADDR, QUP_ERR_UNDEFINED, qup_fifo_wait_while(), QUP_I2C_ADDR, QUP_I2C_DATA, QUP_I2C_DATA_SEQ, qup_i2c_master_status(), QUP_I2C_START_SEQ, QUP_I2C_STOP_SEQ, QUP_OPERATIONAL, QUP_OUTPUT_FIFO, qup_reset_master_status(), qup_set_state(), QUP_STATE_PAUSE, QUP_STATE_RUN, read32(), stopwatch_init_usecs_expire(), and write32().

Referenced by qup_i2c_write().

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◆ qup_init()

qup_return_t qup_init	(	gsbi_id_t	gsbi_id,
		const qup_config_t *	config_ptr
	)

Definition at line 289 of file qup.c.

References BIOS_ERR, qup_config_t::clk_frequency, qup_config_t::mode, printk, qup_config_t::protocol, QUP_ADDR, QUP_CONFIG, QUP_DIVIDER_MIN_VAL, QUP_ERR_UNDEFINED, QUP_ERR_UNSUPPORTED, QUP_FS_DIVIDER_MASK, QUP_HS_DIVIDER_SHFT, QUP_I2C_MASTER_CLK_CTL, QUP_INPUT_MODE_SHFT, QUP_IO_MODES, QUP_MINI_CORE_PROTO_MASK, QUP_MINI_CORE_PROTO_SHFT, QUP_MINICORE_I2C_MASTER, QUP_MODE_FIFO, QUP_MODE_MASK, QUP_OUTPUT_BIT_SHIFT_EN, QUP_OUTPUT_MODE_SHFT, QUP_STATE_RESET, QUP_SW_RESET, qup_wait_for_state(), qup_config_t::src_frequency, and write32().

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◆ qup_recv_data()

qup_return_t qup_recv_data	(	gsbi_id_t	gsbi_id,
		qup_data_t *	p_rx_obj
	)

Definition at line 434 of file qup.c.

References qup_data_t::protocol, QUP_ADDR, QUP_CONFIG, QUP_ERR_UNDEFINED, QUP_ERR_UNSUPPORTED, qup_i2c_recv_data(), QUP_MINI_CORE_PROTO_MASK, QUP_MINI_CORE_PROTO_SHFT, QUP_MINICORE_I2C_MASTER, and read32().

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◆ qup_reset_i2c_master_status()

qup_return_t qup_reset_i2c_master_status ( gsbi_id_t gsbi_id )

Definition at line 72 of file qup.c.

References QUP_ADDR, QUP_I2C_MASTER_STATUS, QUP_SUCCESS, and write32().

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◆ qup_reset_master_status()

static qup_return_t qup_reset_master_status ( gsbi_id_t gsbi_id )

static

Definition at line 83 of file qup.c.

References QUP_ADDR, QUP_ERROR_FLAGS, QUP_ERROR_FLAGS_EN, qup_reset_i2c_master_status(), QUP_SUCCESS, and write32().

Referenced by qup_i2c_read_fifo(), and qup_i2c_write_fifo().

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◆ qup_send_data()

qup_return_t qup_send_data	(	gsbi_id_t	gsbi_id,
		qup_data_t *	p_tx_obj,
		uint8_t	stop_seq
	)

Definition at line 396 of file qup.c.

References qup_data_t::protocol, QUP_ADDR, QUP_CONFIG, QUP_ERR_UNDEFINED, QUP_ERR_UNSUPPORTED, qup_i2c_send_data(), QUP_MINI_CORE_PROTO_MASK, QUP_MINI_CORE_PROTO_SHFT, QUP_MINICORE_I2C_MASTER, and read32().

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◆ qup_set_state()

qup_return_t qup_set_state	(	gsbi_id_t	gsbi_id,
		uint32_t	state
	)

Definition at line 353 of file qup.c.

References QUP_ADDR, QUP_ERR_UNDEFINED, QUP_STATE, QUP_STATE_PAUSE, QUP_STATE_RESET, QUP_STATE_VALID_MASK, qup_wait_for_state(), read32(), and write32().

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◆ qup_wait_for_state()

static qup_return_t qup_wait_for_state	(	gsbi_id_t	gsbi_id,
		unsigned int	wait_for
	)

static

Definition at line 67 of file qup.c.

References check_bit_state(), QUP_ADDR, and QUP_STATE.

Referenced by qup_init(), and qup_set_state().

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Variable Documentation

◆ gsbi_qup_base

unsigned int gsbi_qup_base[]

static

Initial value:

= {
        (unsigned int)GSBI_QUP1_BASE,
        (unsigned int)GSBI_QUP2_BASE,
        (unsigned int)GSBI_QUP3_BASE,
        (unsigned int)GSBI_QUP4_BASE,
        (unsigned int)GSBI_QUP5_BASE,
        (unsigned int)GSBI_QUP6_BASE,
        (unsigned int)GSBI_QUP7_BASE,
}

Definition at line 13 of file qup.c.

Macros

Functions

Variables

Macro Definition Documentation

◆ QUP_ADDR

◆ TIMEOUT_CNT

Function Documentation

◆ check_bit_state()

◆ qup_fifo_wait_for()

◆ qup_fifo_wait_while()

◆ qup_i2c_master_status()

◆ qup_i2c_read()

◆ qup_i2c_read_fifo()

◆ qup_i2c_recv_data()

◆ qup_i2c_send_data()

◆ qup_i2c_write()

◆ qup_i2c_write_fifo()

◆ qup_init()

◆ qup_recv_data()

◆ qup_reset_i2c_master_status()

◆ qup_reset_master_status()

◆ qup_send_data()

◆ qup_set_state()

◆ qup_wait_for_state()

Variable Documentation

◆ gsbi_qup_base