#include <device/device.h>

Include dependency graph for kempld_internal.h:

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Macros
#define	KEMPLD_IDX 0xa80

#define	KEMPLD_MUTEX_KEY 0x80

#define	KEMPLD_DAT 0xa81

#define	KEMPLD_SPEC 0x06

#define	KEMPLD_SPEC_GET_MINOR(x) ((x) & 0x0f)

#define	KEMPLD_SPEC_GET_MAJOR(x) ((x) >> 4 & 0x0f)

#define	KEMPLD_CFG 0x37

#define	KEMPLD_CFG_GPIO_I2C_MUX (1 << 0)

#define	KEMPLD_UART_0 0x30

#define	KEMPLD_UART_1 0x31

#define	KEMPLD_UART_IRQ_SHIFT 0

#define	KEMPLD_UART_IRQ_MASK (0xf << KEMPLD_UART_IRQ_SHIFT)

#define	KEMPLD_UART_IO_SHIFT 4

#define	KEMPLD_UART_IO_MASK (0x3 << KEMPLD_UART_IO_SHIFT)

#define	KEMPLD_UART_ENABLE 0x80

#define	KEMPLD_CLK 33333333 /* 33MHz */

#define	KEMPLD_GPIO_MASK(pin_num) (1 << ((pin_num) % 8))

#define	KEMPLD_GPIO_DIR(pin_num) (0x40 + (pin_num) / 8)

#define	KEMPLD_GPIO_LVL(pin_num) (0x42 + (pin_num) / 8)

Functions
void	kempld_i2c_device_init (struct device *const dev)

int	kempld_gpio_pads_config (struct device *dev)

Macro Definition Documentation

◆ KEMPLD_CFG

#define KEMPLD_CFG 0x37

Definition at line 18 of file kempld_internal.h.

◆ KEMPLD_CFG_GPIO_I2C_MUX

#define KEMPLD_CFG_GPIO_I2C_MUX (1 << 0)

Definition at line 19 of file kempld_internal.h.

◆ KEMPLD_CLK

#define KEMPLD_CLK 33333333 /* 33MHz */

Definition at line 29 of file kempld_internal.h.

◆ KEMPLD_DAT

#define KEMPLD_DAT 0xa81

Definition at line 11 of file kempld_internal.h.

◆ KEMPLD_GPIO_DIR

#define KEMPLD_GPIO_DIR ( pin_num ) (0x40 + (pin_num) / 8)

Definition at line 32 of file kempld_internal.h.

◆ KEMPLD_GPIO_LVL

#define KEMPLD_GPIO_LVL ( pin_num ) (0x42 + (pin_num) / 8)

Definition at line 33 of file kempld_internal.h.

◆ KEMPLD_GPIO_MASK

#define KEMPLD_GPIO_MASK ( pin_num ) (1 << ((pin_num) % 8))

Definition at line 31 of file kempld_internal.h.

◆ KEMPLD_IDX

#define KEMPLD_IDX 0xa80

Definition at line 9 of file kempld_internal.h.

◆ KEMPLD_MUTEX_KEY

#define KEMPLD_MUTEX_KEY 0x80

Definition at line 10 of file kempld_internal.h.

◆ KEMPLD_SPEC

#define KEMPLD_SPEC 0x06

Definition at line 14 of file kempld_internal.h.

◆ KEMPLD_SPEC_GET_MAJOR

#define KEMPLD_SPEC_GET_MAJOR ( x ) ((x) >> 4 & 0x0f)

Definition at line 16 of file kempld_internal.h.

◆ KEMPLD_SPEC_GET_MINOR

#define KEMPLD_SPEC_GET_MINOR ( x ) ((x) & 0x0f)

Definition at line 15 of file kempld_internal.h.

◆ KEMPLD_UART_0

#define KEMPLD_UART_0 0x30

Definition at line 21 of file kempld_internal.h.

◆ KEMPLD_UART_1

#define KEMPLD_UART_1 0x31

Definition at line 22 of file kempld_internal.h.

◆ KEMPLD_UART_ENABLE

#define KEMPLD_UART_ENABLE 0x80

Definition at line 27 of file kempld_internal.h.

◆ KEMPLD_UART_IO_MASK

#define KEMPLD_UART_IO_MASK (0x3 << KEMPLD_UART_IO_SHIFT)

Definition at line 26 of file kempld_internal.h.

◆ KEMPLD_UART_IO_SHIFT

#define KEMPLD_UART_IO_SHIFT 4

Definition at line 25 of file kempld_internal.h.

◆ KEMPLD_UART_IRQ_MASK

#define KEMPLD_UART_IRQ_MASK (0xf << KEMPLD_UART_IRQ_SHIFT)

Definition at line 24 of file kempld_internal.h.

◆ KEMPLD_UART_IRQ_SHIFT

#define KEMPLD_UART_IRQ_SHIFT 0

Definition at line 23 of file kempld_internal.h.

Function Documentation

◆ kempld_gpio_pads_config()

int kempld_gpio_pads_config ( struct device * dev )

Definition at line 59 of file kempld_gpio.c.

References device::chip_info, config, kempld_configure_gpio(), and KEMPLD_NUM_GPIOS.

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◆ kempld_i2c_device_init()

void kempld_i2c_device_init ( struct device *const dev )

Definition at line 228 of file kempld_i2c.c.

References BIOS_INFO, BIOS_NOTICE, device::chip_info, config, I2C_CMD_IACK, I2C_CMD_STOP, I2C_CTRL_EN, I2C_CTRL_IEN, I2C_STAT_BUSY, KEMPLD_CFG, KEMPLD_CFG_GPIO_I2C_MUX, KEMPLD_CLK, kempld_get_mutex(), KEMPLD_I2C_CMD, KEMPLD_I2C_CTRL, kempld_i2c_dev_ops, KEMPLD_I2C_FREQ_MAX, KEMPLD_I2C_FREQ_STANDARD_MODE_100KHZ, KEMPLD_I2C_PREHIGH, KEMPLD_I2C_PRELOW, KEMPLD_I2C_STAT, kempld_read8(), kempld_release_mutex(), KEMPLD_SPEC, KEMPLD_SPEC_GET_MAJOR, kempld_write8(), device::ops, and printk.