smbus_host.h File Reference

#include <stddef.h>
#include <stdint.h>
#include <console/console.h>

Include dependency graph for smbus_host.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Functions
int	do_smbus_recv_byte (uintptr_t base, u8 device)
int	do_smbus_send_byte (uintptr_t base, u8 device, u8 val)
int	do_smbus_read_byte (uintptr_t base, u8 device, u8 address)
int	do_smbus_write_byte (uintptr_t base, u8 device, u8 address, u8 data)
int	do_smbus_read_word (uintptr_t base, u8 device, u8 address)
int	do_smbus_write_word (uintptr_t base, u8 device, u8 address, u16 data)
int	do_smbus_block_read (uintptr_t base, u8 device, u8 cmd, size_t max_bytes, u8 *buf)
int	do_smbus_block_write (uintptr_t base, u8 device, u8 cmd, size_t bytes, const u8 *buf)
int	do_smbus_process_call (uintptr_t base, u8 device, u8 cmd, u16 data, u16 *buf)
int	do_i2c_eeprom_read (uintptr_t base, u8 device, u8 offset, size_t bytes, u8 *buf)
int	do_i2c_block_write (uintptr_t base, u8 device, size_t bytes, u8 *buf)
uintptr_t	smbus_base (void)
int	smbus_enable_iobar (uintptr_t base)
void	smbus_host_reset (uintptr_t base)
void	smbus_set_slave_addr (uintptr_t base, u8 slave_address)
static void	enable_smbus (void)

Function Documentation

do_i2c_block_write()

int do_i2c_block_write	(	uintptr_t	base,
		u8	device,
		size_t	bytes,
		u8 *	buf
	)

Definition at line 503 of file smbus.c.

References base, block_cmd_loop(), BLOCK_WRITE, buf, CONFIG, host_outb(), I801_BLOCK_DATA, setup_command(), SMBHSTCMD, SMBHSTDAT1, SMBUS_BLOCK_MAXLEN, SMBUS_ERROR, and XMIT_WRITE.

Referenced by smbus_i2c_block_write().

Here is the call graph for this function:

Here is the caller graph for this function:

do_i2c_eeprom_read()

int do_i2c_eeprom_read	(	uintptr_t	base,
		u8	device,
		u8	offset,
		size_t	bytes,
		u8 *	buf
	)

Definition at line 466 of file smbus.c.

References base, block_cmd_loop(), BLOCK_I2C, BLOCK_READ, buf, has_i2c_read_command(), host_outb(), I801_I2C_BLOCK_DATA, offset, setup_command(), SMBHSTDAT1, SMBUS_ERROR, and XMIT_WRITE.

Here is the call graph for this function:

do_smbus_block_read()

int do_smbus_block_read	(	uintptr_t	base,
		u8	device,
		u8	cmd,
		size_t	max_bytes,
		u8 *	buf
	)

Definition at line 368 of file smbus.c.

References base, block_cmd_loop(), BLOCK_READ, buf, host_inb(), host_outb(), I801_BLOCK_DATA, MIN, setup_command(), SMBHSTCMD, SMBHSTDAT0, SMBUS_BLOCK_MAXLEN, SMBUS_ERROR, and XMIT_READ.

Here is the call graph for this function:

do_smbus_block_write()

int do_smbus_block_write	(	uintptr_t	base,
		u8	device,
		u8	cmd,
		size_t	bytes,
		const u8 *	buf
	)

Definition at line 431 of file smbus.c.

References base, block_cmd_loop(), BLOCK_WRITE, buf, host_outb(), I801_BLOCK_DATA, setup_command(), SMBHSTCMD, SMBUS_BLOCK_MAXLEN, SMBUS_ERROR, and XMIT_WRITE.

Referenced by eeprom_write_byte(), and lsmbus_block_write().

Here is the call graph for this function:

Here is the caller graph for this function:

do_smbus_process_call()

int do_smbus_process_call	(	uintptr_t	base,
		u8	device,
		u8	cmd,
		u16	data,
		u16 *	buf
	)

Definition at line 399 of file smbus.c.

References base, buf, complete_command(), execute_command(), host_inb(), host_outb(), I801_PROCESS_CALL, setup_command(), SMBHSTCMD, SMBHSTDAT0, SMBHSTDAT1, and XMIT_WRITE.

Referenced by eeprom_read_buffer().

Here is the call graph for this function:

Here is the caller graph for this function:

do_smbus_read_byte()

int do_smbus_read_byte	(	uintptr_t	base,
		u8	device,
		u8	address
	)

Definition at line 121 of file smbus.c.

References address, base, controller_read8(), controller_write8(), I801_BYTE_DATA, SMBHST_CTRL_BDT_RW, SMBHST_CTRL_MODE_BITS, SMBHST_CTRL_STRT, SMBHSTADDR, SMBHSTCMD, SMBHSTCTRL, SMBHSTDAT0, smbus_read_cmd(), smbus_wait_until_done(), and smbus_wait_until_ready().

Referenced by lsmbus_read_byte(), and readspd().

Here is the call graph for this function:

Here is the caller graph for this function:

do_smbus_read_word()

int do_smbus_read_word	(	uintptr_t	base,
		u8	device,
		u8	address
	)

Definition at line 353 of file smbus.c.

References address, base, I801_WORD_DATA, and smbus_read_cmd().

Here is the call graph for this function:

do_smbus_recv_byte()

int do_smbus_recv_byte	(	uintptr_t	base,
		u8	device
	)

Definition at line 71 of file smbus.c.

References controller_read8(), controller_write8(), SMBHST_CTRL_BTE_RW, SMBHST_CTRL_MODE_BITS, SMBHST_CTRL_STRT, SMBHSTADDR, SMBHSTCTRL, SMBHSTDAT0, smbus_wait_until_done(), and smbus_wait_until_ready().

Referenced by lsmbus_recv_byte(), and readspd().

Here is the call graph for this function:

Here is the caller graph for this function:

do_smbus_send_byte()

int do_smbus_send_byte	(	uintptr_t	base,
		u8	device,
		u8	val
	)

Definition at line 96 of file smbus.c.

References controller_read8(), controller_write8(), SMBHST_CTRL_BTE_RW, SMBHST_CTRL_MODE_BITS, SMBHST_CTRL_STRT, SMBHSTADDR, SMBHSTCTRL, SMBHSTDAT0, smbus_wait_until_done(), smbus_wait_until_ready(), and val.

Referenced by lsmbus_send_byte().

Here is the call graph for this function:

Here is the caller graph for this function:

do_smbus_write_byte()

int do_smbus_write_byte	(	uintptr_t	base,
		u8	device,
		u8	address,
		u8	data
	)

Definition at line 149 of file smbus.c.

References address, base, controller_read8(), controller_write8(), I801_BYTE_DATA, SMBHST_CTRL_BDT_RW, SMBHST_CTRL_MODE_BITS, SMBHST_CTRL_STRT, SMBHSTADDR, SMBHSTCMD, SMBHSTCTRL, SMBHSTDAT0, smbus_wait_until_done(), smbus_wait_until_ready(), smbus_write_cmd(), and val.

Referenced by board_BeforeAgesa(), and lsmbus_write_byte().

Here is the call graph for this function:

Here is the caller graph for this function:

do_smbus_write_word()

int do_smbus_write_word	(	uintptr_t	base,
		u8	device,
		u8	address,
		u16	data
	)

Definition at line 363 of file smbus.c.

References address, base, I801_WORD_DATA, and smbus_write_cmd().

Here is the call graph for this function:

enable_smbus()

static void enable_smbus ( void  )

inlinestatic

Definition at line 34 of file smbus_host.h.

References base, BIOS_DEBUG, die(), printk, smbus_base(), smbus_enable_iobar(), and smbus_host_reset().

Referenced by early_pch_init(), i82371eb_early_init(), i82801dx_early_init(), i82801ix_early_init(), i82801jx_early_init(), pch_early_init(), and raminit().

Here is the call graph for this function:

Here is the caller graph for this function:

smbus_base()

uintptr_t smbus_base

(

void

)

Definition at line 22 of file raminit.c.

References SMBUS_BASE_ADDRESS, and SMBUS_IO_BASE.

Referenced by enable_smbus().

Here is the caller graph for this function:

smbus_enable_iobar()

int smbus_enable_iobar

(

uintptr_t

base

)

Definition at line 27 of file raminit.c.

References base, HOSTC, HST_EN, PCI_BASE_ADDRESS_4, PCI_BASE_ADDRESS_SPACE_IO, PCI_COMMAND, PCI_COMMAND_IO, PCI_DEV, PCI_DEV_SMBUS, PCI_DID_INTEL_82371AB_SMB_ACPI, PCI_ID, pci_locate_device(), pci_read_config16(), pci_read_config8(), PCI_VENDOR_ID, PCI_VID_INTEL, pci_write_config16(), pci_write_config32(), pci_write_config8(), PCU_SMB_CLK_PAD, PCU_SMB_DATA_PAD, score_select_func(), SMB_BASE, SMB_HST_EN, SMBBA, SMBHSTCFG, SMBUS_DEV, and SMBUS_FUNC.

Referenced by enable_smbus().

Here is the call graph for this function:

Here is the caller graph for this function:

smbus_host_reset()

void smbus_host_reset

(

uintptr_t

base

)

Definition at line 93 of file smbus.c.

References base, host_and_or(), host_outb(), SMBHSTCTL, and SMBHSTSTAT.

Referenced by enable_smbus().

Here is the call graph for this function:

Here is the caller graph for this function:

smbus_set_slave_addr()

void smbus_set_slave_addr	(	uintptr_t	base,
		u8	slave_address
	)

Definition at line 102 of file smbus.c.

References base, host_outb(), and SMB_RCV_SLVA.

Referenced by pch_smbus_init().

Here is the call graph for this function:

Here is the caller graph for this function: