tis.c File Reference

#include <console/console.h>
#include <security/tpm/tis.h>
#include <acpi/acpigen.h>
#include <device/device.h>
#include <drivers/intel/ptt/ptt.h>
#include "tpm.h"
#include "chip.h"

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Functions
static const char *	tis_get_dev_name (struct tpm2_info *info)
int	tis_open (void)
int	tis_close (void)
int	tis_init (void)
int	tis_sendrecv (const uint8_t *sendbuf, size_t sbuf_size, uint8_t *recvbuf, size_t *rbuf_len)
static void	crb_tpm_fill_ssdt (const struct device *dev)
static const char *	crb_tpm_acpi_name (const struct device *dev)
static void	enable_dev (struct device *dev)

Variables
static unsigned int	tpm_is_open
struct {
uint16_t   vid
uint16_t   did
const char *   device_name
}	dev_map []
static struct device_operations __unused	crb_ops
struct chip_operations	drivers_crb_ops

Function Documentation

crb_tpm_acpi_name()

static const char* crb_tpm_acpi_name ( const struct device *  dev )

static

Definition at line 121 of file tis.c.

crb_tpm_fill_ssdt()

static void crb_tpm_fill_ssdt ( const struct device *  dev )

static

Definition at line 93 of file tis.c.

References acpi_device_path(), acpi_device_write_uid(), ACPI_STATUS_DEVICE_ALL_ON, acpigen_pop_len(), acpigen_write_device(), acpigen_write_mem32fixed(), acpigen_write_name(), acpigen_write_name_string(), acpigen_write_resourcetemplate_footer(), acpigen_write_resourcetemplate_header(), acpigen_write_STA(), BIOS_DEBUG, printk, and TPM_CRB_BASE_ADDRESS.

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enable_dev()

static void enable_dev ( struct device *  dev )

static

Definition at line 136 of file tis.c.

tis_close()

int tis_close

(

void

)

Definition at line 51 of file tis.c.

References tpm_is_open.

Referenced by tis_open(), and tis_setup_interrupt().

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tis_get_dev_name()

static const char* tis_get_dev_name ( struct tpm2_info *  info )

static

Definition at line 23 of file tis.c.

References ARRAY_SIZE, dev_map, info, and vid.

Referenced by tis_init().

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tis_init()

int tis_init

(

void

)

Definition at line 65 of file tis.c.

References BIOS_INFO, info, printk, tis_get_dev_name(), tpm2_get_info(), and tpm2_init().

Referenced by tlcl_lib_init().

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tis_open()

int tis_open

(

void

)

Definition at line 33 of file tis.c.

References BIOS_DEBUG, BIOS_ERR, CONFIG, printk, ptt_active(), and tpm_is_open.

Referenced by tis_setup_interrupt(), and tlcl_lib_init().

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tis_sendrecv()

int tis_sendrecv	(	const uint8_t *	sendbuf,
		size_t	sbuf_size,
		uint8_t *	recvbuf,
		size_t *	rbuf_len
	)

Definition at line 81 of file tis.c.

References tpm2_process_command().

Referenced by tpm_process_command(), and tpm_send_receive().

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Variable Documentation

crb_ops

struct device_operations __unused crb_ops

static

Initial value:

= {
        .read_resources = noop_read_resources,
        .set_resources = noop_set_resources,
 
 
 
 
 
}

Definition at line 121 of file tis.c.

const { ... } dev_map[]

Initial value:

= {
        {0x1ae0, 0x0028, "CR50"},
        {0xa13a, 0x8086, "Intel iTPM"}
}

Referenced by tis_get_dev_name().

device_name

const char* device_name

Definition at line 17 of file tis.c.

Referenced by tis_probe().

did

uint16_t did

Definition at line 16 of file tis.c.

Referenced by get_pch_platform_type(), intel_early_me_init_done(), intel_me_finalize_smm(), nhlt_add_endpoint(), pcie_rp_scan_groups(), tis_probe(), and udelay().

drivers_crb_ops

struct chip_operations drivers_crb_ops

Initial value:

= {
 
        .enable_dev = enable_dev
}

Definition at line 136 of file tis.c.

tpm_is_open

unsigned int tpm_is_open

static

Definition at line 12 of file tis.c.

Referenced by tis_close(), and tis_open().

vid

uint16_t vid

Definition at line 15 of file tis.c.

Referenced by exception_handler_register(), exception_handler_unregister(), exynos_fimd_calc_fbsize(), exynos_fimd_lcd_init(), exynos_fimd_set_buffer_address(), exynos_fimd_set_clock(), exynos_fimd_set_dualrgb(), exynos_fimd_set_par(), generate_p_state_entries(), nhlt_add_endpoint(), speedstep_gen_pstates(), tis_get_dev_name(), and tis_probe().