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drivers/i2c/tpm: Move common variables to header 

Move the common enums and variables to tpm.h so it can be
used by multiple drivers.

BUG=chrome-os-partner:53336

Change-Id: I0febe98620d0ddd4ec6b46cd3073e48c12926266
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
This commit is contained in:
Duncan Laurie 2016-09-14 16:27:04 -07:00
parent 1c8491c3ab
commit 64df72e8e2
2 changed files with 23 additions and 22 deletions
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22
src/drivers/i2c/tpm/tpm.c
View File

@ -240,28 +240,6 @@ static int iic_tpm_write_long(uint8_t addr, uint8_t *buffer, size_t len)
MAX_COUNT_LONG);
}
#define TPM_HEADER_SIZE 10
enum tis_access {
TPM_ACCESS_VALID = 0x80,
TPM_ACCESS_ACTIVE_LOCALITY = 0x20,
TPM_ACCESS_REQUEST_PENDING = 0x04,
TPM_ACCESS_REQUEST_USE = 0x02,
};
enum tis_status {
TPM_STS_VALID = 0x80,
TPM_STS_COMMAND_READY = 0x40,
TPM_STS_GO = 0x20,
TPM_STS_DATA_AVAIL = 0x10,
TPM_STS_DATA_EXPECT = 0x08,
};
#define TPM_ACCESS(l) (0x0000 | ((l) << 4))
#define TPM_STS(l) (0x0001 | ((l) << 4))
#define TPM_DATA_FIFO(l) (0x0005 | ((l) << 4))
#define TPM_DID_VID(l) (0x0006 | ((l) << 4))
static int check_locality(struct tpm_chip *chip, int loc)
{
uint8_t buf;

23
src/drivers/i2c/tpm/tpm.h
View File

@ -36,6 +36,9 @@ enum tpm_timeout {
/* Size of external transmit buffer (used for stack buffer in tpm_sendrecv) */
#define TPM_BUFSIZE 1260
/* Number of bytes in the TPM header */
#define TPM_HEADER_SIZE 10
/* Index of fields in TPM command buffer */
#define TPM_CMD_SIZE_BYTE 2
#define TPM_CMD_ORDINAL_BYTE 6
@ -44,6 +47,26 @@ enum tpm_timeout {
#define TPM_RSP_SIZE_BYTE 2
#define TPM_RSP_RC_BYTE 6
enum tis_access {
TPM_ACCESS_VALID = 0x80,
TPM_ACCESS_ACTIVE_LOCALITY = 0x20,
TPM_ACCESS_REQUEST_PENDING = 0x04,
TPM_ACCESS_REQUEST_USE = 0x02,
};
enum tis_status {
TPM_STS_VALID = 0x80,
TPM_STS_COMMAND_READY = 0x40,
TPM_STS_GO = 0x20,
TPM_STS_DATA_AVAIL = 0x10,
TPM_STS_DATA_EXPECT = 0x08,
};
#define TPM_ACCESS(l) (0x0000 | ((l) << 4))
#define TPM_STS(l) (0x0001 | ((l) << 4))
#define TPM_DATA_FIFO(l) (0x0005 | ((l) << 4))
#define TPM_DID_VID(l) (0x0006 | ((l) << 4))
struct tpm_chip;
struct tpm_vendor_specific {